DIFFERENTIAL SIGNALING OF ANTENNAS ON A SUBSTRATE

A device comprising: a substrate; a transmit antenna fabricated on the substrate and configured to transmit radio-frequency (RF) signals; a receive antenna fabricated on the substrate and configured to receive RF signals; and circuitry, disposed on the substrate and differentially coupled to the transmit and receive antennas, and configured to provide to the transmit antenna RF signals to be transmitted by the transmit antenna and to process RF signals received by the receive antenna, wherein the substrate comprises material for reducing harmonic coupling between the transmit antenna and the receive antenna. 1. A device , comprising:a substrate;a transmit antenna fabricated on the substrate and configured to transmit radio-frequency (RF) signals;a receive antenna fabricated on the substrate and configured to receive RF signals; andcircuitry, disposed on the substrate and differentially coupled to the transmit and receive antennas, and configured to provide to the transmit antenna RF signals to be transmitted by the transmit antenna and to process RF signals received by the receive antenna,wherein the substrate comprises material for reducing harmonic coupling between the transmit antenna and the receive antenna.2. The device of claim 1 , further comprising:a first line and a second line,wherein the circuitry is differentially coupled to the transmit antenna using the first line and the second line.3. The device of claim 2 , wherein the circuitry is configured to:generate a first signal;generate a second signal out of phase with the first signal;provide the first signal to the transmit antenna via the first line; andprovide the second signal to the transmit antenna concurrently via the second line and concurrently with providing the first signal to the transmit antenna.4. The device of claim 3 , wherein the circuitry is configured to generate the second signal by phase shifting the first signal by 180 degrees.5. The device of claim 3 , wherein the transmit antenna is ...

Radio-frequency localization techniques and associated systems, devices, and methods

A system comprising synchronization circuitry, a first interrogator, and a second interrogator. The first interrogator includes a transmit antenna; a first receive antenna, and circuitry configured to generate, using radio-frequency (RF) signal synthesis information received from the synchronization circuitry, a first RF signal for transmission by the transmit antenna, and generate, using the first RF signal and a second RF signal received from a target device by the first receive antenna, a first mixed RF signal indicative of a distance between the first interrogator and the target device. The second interrogator includes a second receive antenna, and circuitry configured to generate, using the RF signal synthesis information, a third RF signal; and generate, using the third RF signal and a fourth RF signal received from the target device by the second receive antenna, a second mixed RF signal indicative of a distance between the second interrogator and the target device.

CHIP-SCALE RADIO-FREQUENCY LOCALIZATION DEVICES AND ASSOCIATED SYSTEMS AND METHODS

A device comprising: a substrate; a semiconductor die mounted on the substrate; a transmit antenna fabricated on the substrate and configured to transmit radio-frequency (RF) signals at least at a first center frequency; a receive antenna fabricated on the substrate and configured to receive RF signals at least at a second center frequency different than the first center frequency; and circuitry integrated with the semiconductor die and configured to provide RF signals to the transmit antenna and to receive RF signals from the receive antenna. 1. A device , comprising:a substrate;a first transmit antenna fabricated on the substrate and configured to transmit radio frequency (RF) signals at least at a first center frequency;a first receive antenna fabricated on the substrate and configured to receive RF signals at least at a second center frequency different than the first center frequency;a second receive antenna fabricated on the substrate and configured to receive RF signals at least at the first center frequency; anda second transmit antenna fabricated on the substrate and configured to transmit RF signals at least at the second center frequency; interrogator circuitry configured to provide RF signals having the first center frequency to the first transmit antenna and to receive RF signals having the second center frequency from the first receive antenna; and', 'target device circuitry configured to receive RF signals having the first center frequency from the second receive antenna and provide RF signals having the second center frequency to the second transmit antenna., 'a semiconductor die mounted to the substrate and coupled to the first transmit antenna, the first receive antenna, the second transmit antenna, and the second receive antenna, the semiconductor die comprising2. The device of claim 1 ,wherein the interrogator circuitry is configured to provide a first RF signal having the first center frequency to the first transmit antenna and receive a second ...

HIGH PRECISION SUBSURFACE IMAGING AND LOCATION MAPPING WITH TIME OF FLIGHT MEASUREMENT SYSTEMS

A system for tracking a ground imaging apparatus includes a plurality of fixed devices and at least one tracked device. The fixed devices are positioned at fixed locations and the tracked device is affixable to the ground imaging apparatus. The fixed devices and the tracked device are configured to transmit and/or receive signals used for time of flight measurements. A processor is configured to determine one or more positions of the tracked device relative to one or more of the fixed devices based upon one or more time of flight measurements between the tracked device and one or more of the fixed devices. 1. A system for tracking a ground imaging apparatus , comprising:a plurality of fixed devices configured to transmit and/or receive signals used for time of flight (TOF) measurements, the plurality of fixed devices positioned at a plurality of fixed locations;a first tracked device configured to transmit and/or receive signals used for TOF measurements, the first tracked device configured to be affixable to the ground imaging apparatus; anda processor configured to determine one or more positions of the tracked device relative to one or more of the plurality of fixed devices based upon one or more TOF measurements between the tracked device and one or more of the plurality of fixed devices.2. The system of wherein the plurality of fixed devices comprises at least three fixed devices.3. The system of wherein the processor is configured to determine the one or more positions based upon absolute TOF distance measurements or based upon time difference of arrival (TDOA) measurements claim 1 , or any combination thereof.4. The system of wherein the plurality of fixed devices are configured to be affixed to a portable structure.5. The system of wherein the processor is further configured to calibrate a position of one or more of the plurality of fixed devices relative to other of the plurality of fixed devices.6. The system of further comprising one or more additional ...

HIGH PRECISION MOTION TRACKING WITH TIME OF FLIGHT MEASUREMENT SYSTEMS

A system for tracking an object includes a plurality of fixed devices and at least one tracked device. The fixed devices are positioned at fixed locations and the tracked device is affixable to the object. The fixed devices and the tracked device are configured to transmit and/or receive signals used for time of flight measurements. A processor is configured to determine one or more positions of the tracked device relative to one or more of the fixed devices based upon one or more time of flight measurements between the tracked device and one or more of the fixed devices. 1. A system for tracking an object , comprising:a plurality of fixed devices configured to transmit and/or receive signals used for time of flight (TOF) measurements, the plurality of fixed devices positioned at a plurality of fixed locations;a first tracked device configured to transmit and/or receive signals used for TOF measurements, the first tracked device selectively affixable to the object; anda processor configured to determine one or more positions of the tracked device relative to one or more of the plurality of fixed devices based upon one or more TOF measurements between the tracked device and one or more of the plurality of fixed devices.2. The system of wherein the plurality of fixed devices comprises at least three fixed devices.3. The system of wherein the processor is configured to determine the one or more positions based upon absolute TOF distance measurements or based upon time difference of arrival (TDOA) measurements claim 1 , or any combination thereof.4. The system of wherein the plurality of fixed devices are configured to be affixed to a portable structure.5. The system of wherein the processor is further configured to calibrate a position of one or more of the plurality of fixed devices relative to other of the plurality of fixed devices.6. The system of further comprising one or more additional tracked devices selectively affixable to the object claim 1 , the processor ...

Radio-frequency localization techniques and associated systems, devices, and methods

A system comprising synchronization circuitry, a first interrogator, and a second interrogator. The first interrogator includes a transmit antenna; a first receive antenna, and circuitry configured to generate, using radio-frequency (RF) signal synthesis information received from the synchronization circuitry, a first RF signal for transmission by the transmit antenna, and generate, using the first RF signal and a second RF signal received from a target device by the first receive antenna, a first mixed RF signal indicative of a distance between the first interrogator and the target device. The second interrogator includes a second receive antenna, and circuitry configured to generate, using the RF signal synthesis information, a third RF signal; and generate, using the third RF signal and a fourth RF signal received from the target device by the second receive antenna, a second mixed RF signal indicative of a distance between the second interrogator and the target device.

MULTI-SPECTRAL RADIO-FREQUENCY LOCALIZATION TECHNIQUES AND ASSOCIATED SYSTEMS, DEVICES AND METHODS

A device comprising: a receive antenna configured to receive a first radio-frequency (RF) signal having a first center frequency; a first transmit antenna configured to transmit a second RF signal having a second center frequency that is a harmonic of the first center frequency; a second transmit antenna configured to transmit a third RF signal having a third center frequency that is a harmonic of the first center frequency and is different from the second center frequency; first circuitry, coupled to the receive antenna and to the first transmit antenna, configured to generate the second RF signal using the first RF signal and provide it to the first transmit antenna for transmission; and second circuitry, coupled to the receive antenna and to the second transmit antenna, configured to generate the third RF signal using the first RF signal and provide it to the second transmit antenna for transmission. 1. A device , comprising:a receive antenna configured to receive a first radio-frequency (RF) signal having a first center frequency;a first transmit antenna configured to transmit a second RF signal having a second center frequency that is a harmonic of the first center frequency;a second transmit antenna configured to transmit a third RF signal having a third center frequency that is a harmonic of the first center frequency and is different from the second center frequency;first circuitry, coupled to the receive antenna and to the first transmit antenna, configured to generate the second RF signal using the first RF signal and provide the second RF signal to the first transmit antenna for transmission; andsecond circuitry, coupled to the receive antenna and to the second transmit antenna, configured to generate the third RF signal using the first RF signal and provide the third RF signal to the second transmit antenna for transmission.2. The device of claim 1 , further comprising:a semiconductor die,wherein each of the first circuitry and the second circuitry is ...

Autonomous Cargo Delivery System

The present invention is directed to a system and methods of providing platform-agnostic systems and methods capable of providing an integrated processor and sensor suite with supervisory control software and interfaces to perform small unit rapid response resupply and CASEVAC into hazardous and unpredictable environments. 1. An autonomous aerial system comprising: 'wherein the first processor is operatively coupled with the sensor package and the first communication transceiver, the first processor configured to generate flight control signal data based at least in part on data received via the sensor package and the first communication transceiver, the flight control signal data being operable to control an operation of the aerial vehicle; and', 'an aerial vehicle equipped with an onboard supervisory control system having a first processor, a sensor package, and a first communication transceiver,'} wherein the HSI device is configured to receive, via the user input device, a first input from an operator representing a designated touchdown zone within a landing zone,', 'wherein the HSI device is configured to transmit to said aerial vehicle, via said second communication transceiver, mission plan data and said designated touchdown zone,', 'wherein the HSI device is configured to receive from said aerial vehicle, via said second communication transceiver, a notification to indicate whether it is feasible to touchdown at the designated touchdown zone, and', 'wherein said notification is presented to said operator by said display device., 'a human-system interface (HSI) device to facilitate bidirectional communication with the aerial vehicle over a wireless link, wherein the HSI device is remote from the aerial vehicle and includes a second processor, a second communication transceiver, a user input device, and a display device,'}2. The autonomous aerial system of claim 1 , wherein the HSI device is configured to present to the operator claim 1 , via the display ...

Autonomous cargo delivery system

The present invention is directed to a system and methods of providing platform-agnostic systems and methods capable of providing an integrated processor and sensor suite with supervisory control software and interfaces to perform small unit rapid response resupply and CASEVAC into hazardous and unpredictable environments.

Radio-frequency localization techniques and associated systems, devices, and methods

A system comprising a first interrogator device that includes: a first antenna configured to transmit, to a target device, a first radio-frequency (RF) signal having a first center frequency; a second antenna configured to receive, from the target device, a second RF signal having a second center frequency that is a harmonic of the first frequency; and first circuitry configured to obtain, using the first RF signal and the second RF signal, a first mixed RF signal indicative of a first distance between the first interrogator and the target device. The system further comprises at least one processor configured to determine the first distance based, at least in part, on the first mixed RF signal, and determine a location of the target device based, at least in part, on the determined first distance.

RADIO-FREQUENCY LOCALIZATION TECHNIQUES AND ASSOCIATED SYSTEMS, DEVICES, AND METHODS

A system comprising synchronization circuitry, a first interrogator, and a second interrogator. The first interrogator includes a transmit antenna; a first receive antenna, and circuitry configured to generate, using radio-frequency (RF) signal synthesis information received from the synchronization circuitry, a first RF signal for transmission by the transmit antenna, and generate, using the first RF signal and a second RF signal received from a target device by the first receive antenna, a first mixed RF signal indicative of a distance between the first interrogator and the target device. The second interrogator includes a second receive antenna, and circuitry configured to generate, using the RF signal synthesis information, a third RF signal; and generate, using the third RF signal and a fourth RF signal received from the target device by the second receive antenna, a second mixed RF signal indicative of a distance between the second interrogator and the target device. 1. A system , comprising:synchronization circuitry; a transmit antenna;', 'a first receive antenna; and', generate, using radio-frequency (RF) signal synthesis information received from the synchronization circuitry, a first RF signal for transmission by the transmit antenna;', 'generate, using the first RF signal and a second RF signal received from a target device by the first receive antenna, a first mixed RF signal indicative of a, 'first circuitry configured to, 'first distance between the first interrogator and the target device; and, 'a first interrogator device coupled to the synchronization circuitry and comprising a second receive antenna; and', generate, using the RF signal synthesis information received from the synchronization circuitry, a third RF signal; and', 'generate, using the third RF signal and a fourth RF signal received from the target device by the second receive antenna, a second mixed RF signal indicative of a second distance between the second interrogator and the target ...

HIGH-PRECISION TIME OF FLIGHT MEASUREMENT SYSTEMS

A system and method is disclosed for measuring time of flight to an object. A transmitter transmits an electromagnetic signal and provides a reference signal corresponding to the electromagnetic signal. A receiver receives the electromagnetic signal and provides a response signal corresponding to the received electromagnetic signal. A detection circuit is configured to determine a time of flight between the transmitter and the receiver based upon the reference signal and the response signal. 1. A system for measuring time of flight to an object , comprising:at least one transmitter configured to transmit an electromagnetic signal and provide a reference signal corresponding to the electromagnetic signal;at least one receiver configured to receive the electromagnetic signal and in response provide a response signal corresponding to the received electromagnetic signal; anda detection circuit configured to determine a time of flight between the transmitter and the receiver based upon the reference signal and the response signal.2. The system of wherein the detection circuit is further configured to determine a distance between the transmitter and the receiver based at least in part upon the time of flight.3. The system of wherein the electromagnetic signal is one of a frequency modulated continuous wave (FMCW) signal claim 1 , a direct sequence spread spectrum signal (DSSS) claim 1 , a pulse compressed signal claim 1 , and a frequency hopping spread spectrum (FHSS) signal.4. The system of wherein the detection circuit includes a mixer that receives the reference signal and the response signal claim 1 , and provides a beat signal corresponding to the time of flight between the transmitter and the receiver.5. The system of wherein the detection circuit further comprises:an analog to digital converter that receives the beat signal and provides a sampled beat signal; anda processor coupled to an output of the analog to digital converter that receives the sampled beat ...

RADIO-FREQUENCY LOCALIZATION TECHNIQUES AND ASSOCIATED SYSTEMS, DEVICES, AND METHODS

A system comprising a first interrogator device that includes: a first antenna configured to transmit, to a target device, a first radio-frequency (RF) signal having a first center frequency; a second antenna configured to receive, from the target device, a second RF signal having a second center frequency that is a harmonic of the first frequency; and first circuitry configured to obtain, using the first RF signal and the second RF signal, a first mixed RF signal indicative of a first distance between the first interrogator and the target device. The system further comprises at least one processor configured to determine the first distance based, at least in part, on the first mixed RF signal, and determine a location of the target device based, at least in part, on the determined first distance. 1. A system , comprising: a first antenna configured to transmit, to a target device, a first radio-frequency (RF) signal having a first center frequency;', 'a second antenna configured to receive, from the target device, a second RF signal having a second center frequency that is a harmonic of the first frequency; and', 'first circuitry configured to obtain, using the first RF signal and the second RF signal, a first mixed RF signal indicative of a first distance between the first interrogator and the target device;, 'a first interrogator device, comprising a third antenna configured to transmit, to the target device, a third RF signal having the first center frequency;', 'a fourth antenna configured to receive, from the target device, a fourth RF signal having the second center frequency; and', 'second circuitry configured to obtain, using the third RF signal and the fourth RF signal, a second mixed RF signal indicative of a second distance between the second interrogator and the target device; and, 'a second interrogator device, comprising determine the first distance based on the first mixed RF signal;', 'determine the second distance based on the second mixed RF ...

Radio-frequency localization techniques and associated systems, devices, and methods

A system comprising synchronization circuitry, a first interrogator, and a second interrogator. The first interrogator includes a transmit antenna; a first receive antenna, and circuitry configured to generate, using radio-frequency (RF) signal synthesis information received from the synchronization circuitry, a first RF signal for transmission by the transmit antenna, and generate, using the first RF signal and a second RF signal received from a target device by the first receive antenna, a first mixed RF signal indicative of a distance between the first interrogator and the target device. The second interrogator includes a second receive antenna, and circuitry configured to generate, using the RF signal synthesis information, a third RF signal; and generate, using the third RF signal and a fourth RF signal received from the target device by the second receive antenna, a second mixed RF signal indicative of a distance between the second interrogator and the target device.

HIGH PRECISION TIME OF FLIGHT MEASUREMENT SYSTEM FOR INDUSTRIAL AUTOMATION

A system for tracking position of objects in an industrial environment includes an interrogator, a transponder, and a processor. The interrogator transmits a signal and provides a first reference signal corresponding to the transmitted signal. The transponder provides a response signal. The interrogator receives the response signal and provides a second reference signal corresponding to the response signal. The processor determines a location of either the interrogator or the transponder, relative to the other, based on the two reference signals. 1. A system for tracking position of objects , comprising:at least one interrogator which transmits a first electromagnetic signal and provides a first reference signal corresponding to the transmitted signal;at least one transponder which receives the first electromagnetic signal and provides a response signal;the at least one interrogator including a receiver which receives the response signal and provides a second reference signal corresponding to the response signal; anda processor which in response to the first reference signal and the second reference signal determines a precise location of at least one of the at least one interrogator or the at least one transponder;wherein the objects to be tracked includes at least one of a part of one of a human, a piece of equipment, and an item;wherein the system is configured to determine a precise position and location of the human's body movement in cooperation with the piece of equipment or item;and wherein one of the at least one interrogator and the at least one transponder is configured to be mounted to the object.2. The system of claim 1 , wherein the at least one interrogator includes a plurality of interrogators in fixed positions.3. The system of claim 1 , wherein the at least one transponder includes a plurality of transponders in fixed positions.4. The system of claim 1 , wherein one of the at least one interrogator and the at least one transponder is integrated ...

POLARIZATION TECHNIQUES FOR SUPPRESSION OF HARMONIC COUPLING AND ASSOCIATED SYSTEMS, DEVICES, AND METHODS

A system comprising: an interrogator device, comprising: a first transmit antenna configured to transmit radio-frequency (RF) signals circularly polarized in a first rotational direction; and a first receive antenna configured to receive RF signals circularly polarized in a second rotational direction different from the first rotational direction; and a target device, comprising: a second receive antenna configured to receive RF signals circularly polarized in the first rotational direction and a second transmit antenna configured to transmit, to the interrogator device, RF signals circularly polarized in the second rotational direction. 1. A system , comprising: a first transmit antenna configured to transmit radio-frequency (RF) signals circularly polarized in a first rotational direction; and', 'a first receive antenna configured to receive RF signals circularly polarized in a second rotational direction different from the first rotational direction; and, 'an interrogator device, comprising a second receive antenna configured to receive RF signals circularly polarized in the first rotational direction and', 'a second transmit antenna configured to transmit, to the interrogator device, RF signals circularly polarized in the second rotational direction., 'a target device, comprising2. The system of claim 1 , wherein claim 1 , in response to receiving a first RF signal using the second receive antenna claim 1 , the first RF signal being circularly polarized in the first rotational direction claim 1 , the target device is configured to transmit a second RF signal circularly polarized in the second rotational direction using the second transmit antenna.3. The system of claim 2 , wherein the target device is configured to generate the second RF signal using the first RF signal.4. The system of claim 1 , wherein the interrogator device comprises a substrate and the first transmit antenna comprises a circularly polarized printed antenna that is printed on the substrate.5 ...

Autonomous cargo delivery system

The present invention is directed to a system and methods of providing platform-agnostic systems and methods capable of providing an integrated processor and sensor suite with supervisory control software and interfaces to perform small unit rapid response resupply and CASEVAC into hazardous and unpredictable environments.

CHIP-SCALE RADIO-FREQUENCY LOCALIZATION DEVICES AND ASSOCIATED SYSTEMS AND METHODS

A device comprising: a substrate; a semiconductor die mounted on the substrate; a transmit antenna fabricated on the substrate and configured to transmit radio-frequency (RF) signals at least at a first center frequency; a receive antenna fabricated on the substrate and configured to receive RF signals at least at a second center frequency different than the first center frequency; and circuitry integrated with the semiconductor die and configured to provide RF signals to the transmit antenna and to receive RF signals from the receive antenna. 1. A device comprising:a substrate;a semiconductor die mounted on the substrate;a transmit antenna fabricated on the substrate and configured to transmit radio-frequency (RF) signals at least at a first center frequency;a receive antenna fabricated on the substrate and configured to receive RF signals at least at a second center frequency different than the first center frequency; andcircuitry integrated with the semiconductor die and configured to provide RF signals to the transmit antenna and to receive RF signals from the receive antenna.2. The device of claim 1 , wherein the semiconductor die is flip-chip bonded to the substrate.3. The device of claim 2 , wherein the device is a packaged device comprising:first level connections formed by flip-chip bonding the semiconductor die to the substrate;second level connections configured to connect the packaged device to a printed circuit board; anda protective encapsulation for at least the semiconductor die.4. The device of claim 3 , wherein the second level connections comprise a ball grid array formed on the bottom surface of the substrate.5. The device of claim 1 , wherein the substrate comprises a printed circuit board having at least one conductive layer claim 1 , and wherein the transmit antenna and the receive antenna are fabricated on the substrate by patterning the at least one conductive layer.6. The device of claim 5 , wherein at least one of the transmit antenna and ...

RADIO-FREQUENCY LOCALIZATION TECHNIQUES AND ASSOCIATED SYSTEMS, DEVICES, AND METHODS

A system comprising synchronization circuitry, a first interrogator, and a second interrogator. The first interrogator includes a transmit antenna; a first receive antenna, and circuitry configured to generate, using radio-frequency (RF) signal synthesis information received from the synchronization circuitry, a first RF signal for transmission by the transmit antenna, and generate, using the first RF signal and a second RF signal received from a target device by the first receive antenna, a first mixed RF signal indicative of a distance between the first interrogator and the target device. The second interrogator includes a second receive antenna, and circuitry configured to generate, using the RF signal synthesis information, a third RF signal; and generate, using the third RF signal and a fourth RF signal received from the target device by the second receive antenna, a second mixed RF signal indicative of a distance between the second interrogator and the target device. 1. A device , comprising:a substrate;a semiconductor die mounted on the substrate;a receive antenna fabricated on the substrate and configured to receive, from an interrogator device, radio-frequency (RF) signals circularly polarized in a first rotational direction;a transmit antenna fabricated on the substrate and configured to transmit, to the interrogator device, RF signals circularly polarized in a second rotational direction different from the first rotational direction; and generate, from RF signals provided from the receive antenna, the RF signals to be transmitted to the interrogator device, and', 'provide the generated RF signals to the transmit antenna for transmission., 'circuitry integrated with the semiconductor die and configured to2. The device of claim 1 , wherein the transmit antenna comprises a patch antenna or a planar spiral antenna.3. The device of claim 1 , wherein the transit antenna comprises a first linearly polarized antenna and a second linearly polarized antenna ...

RADIO-FREQUENCY LOCALIZATION TECHNIQUES AND ASSOCIATED SYSTEMS, DEVICES, AND METHODS

A system comprising synchronization circuitry, a first interrogator, and a second interrogator. The first interrogator includes a transmit antenna; a first receive antenna, and circuitry configured to generate, using radio-frequency (RF) signal synthesis information received from the synchronization circuitry, a first RF signal for transmission by the transmit antenna, and generate, using the first RF signal and a second RF signal received from a target device by the first receive antenna, a first mixed RF signal indicative of a distance between the first interrogator and the target device. The second interrogator includes a second receive antenna, and circuitry configured to generate, using the RF signal synthesis information, a third RF signal; and generate, using the third RF signal and a fourth RF signal received from the target device by the second receive antenna, a second mixed RF signal indicative of a distance between the second interrogator and the target device. 1. A system , comprising: transmit, to a target device, a first radio-frequency (RF) signal having a first center frequency;', 'receive, from the target device, a second RF signal having a second center frequency different from the first frequency, wherein the second center frequency is a harmonic of the first center frequency;, 'at least a first antenna configured tofirst circuitry configured to obtain, based on the first RF signal and the second RF signal, a first mixed RF signal indicative of a first distance between at least the first antenna and the target device;a second receive antenna configured to receive, from the target device, a third RF signal having the second center frequency;second circuitry configured to obtain, based on the first RF signal and the third RF signal, a second mixed RF signal indicative of a second distance between the second antenna and the target device;a third receive antenna configured to receive, from the target device, a fourth RF signal having the second ...

CHIP-SCALE RADIO-FREQUENCY LOCALIZATION DEVICES AND ASSOCIATED SYSTEMS AND METHODS

A device comprising: a substrate; a semiconductor die mounted on the substrate; a transmit antenna fabricated on the substrate and configured to transmit radio-frequency (RF) signals at least at a first center frequency; a receive antenna fabricated on the substrate and configured to receive RF signals at least at a second center frequency different than the first center frequency; and circuitry integrated with the semiconductor die and configured to provide RF signals to the transmit antenna and to receive RF signals from the receive antenna. 1. (canceled)2. A system , comprising:a plurality of interrogator devices including first and second interrogator devices, each of the first and second interrogator devices comprising a radio-frequency (RF) transmit antenna configured to transmit RF signals to a target device, and transmit circuitry configured to generate RF signals for transmission to the target device by the RF transmit antenna; control the first interrogator device to transmit, to the target device, a first RF signal, and', 'after the first interrogator device has completed transmitting the first RF signal, control the second interrogator device to transmit, to the target device, a second RF signal; and, 'a controller configured to receive a third RF signal transmitted by the target device in response to transmitting the first RF signal using the first interrogator device, and', 'receive a fourth RF signal transmitted by the target device in response to transmitting the second RF signal using the second interrogator device., 'receive circuitry configured to3. The system of claim 2 , wherein the first RF signal has a first center frequency claim 2 , and the third RF signal has a second center frequency different from the first center frequency.4. The system of claim 3 , wherein the second RF signal has the first center frequency claim 3 , and the fourth RF signal has the second center frequency.5. The system of claim 3 , wherein the second center frequency ...

RADIO-FREQUENCY LOCALIZATION TECHNIQUES AND ASSOCIATED SYSTEMS, DEVICES, AND METHODS

A system comprising synchronization circuitry, a first interrogator, and a second interrogator. The first interrogator includes a transmit antenna; a first receive antenna, and circuitry configured to generate, using radio-frequency (RF) signal synthesis information received from the synchronization circuitry, a first RF signal for transmission by the transmit antenna, and generate, using the first RF signal and a second RF signal received from a target device by the first receive antenna, a first mixed RF signal indicative of a distance between the first interrogator and the target device. The second interrogator includes a second receive antenna, and circuitry configured to generate, using the RF signal synthesis information, a third RF signal; and generate, using the third RF signal and a fourth RF signal received from the target device by the second receive antenna, a second mixed RF signal indicative of a distance between the second interrogator and the target device. 1. A system , comprising: transmit, to a target device, a first radio-frequency (RF) signal having a first center frequency;', 'receive, from the target device, a second RF signal having a second center frequency different from the first frequency;, 'a first dual-mode antenna configured tofirst circuitry configured to obtain, based on the first RF signal and the second RF signal, a first mixed RF signal indicative of a first distance between the dual mode antenna and the target device;a second receive antenna configured to receive, from the target device, a third RF signal having the second center frequency;second circuitry configured to obtain, based on the first RF signal and the third RF signal, a second mixed RF signal indicative of a second distance between the second antenna and the target device;a third receive antenna configured to receive, from the target device, a fourth RF signal having the second center frequency;third circuitry configured to obtain, based on the first RF signal and ...

Radio-frequency localization techniques and associated systems, devices, and methods

A system comprising synchronization circuitry, a first interrogator, and a second interrogator. The first interrogator includes a transmit antenna; a first receive antenna, and circuitry configured to generate, using radio-frequency (RF) signal synthesis information received from the synchronization circuitry, a first RF signal for transmission by the transmit antenna, and generate, using the first RF signal and a second RF signal received from a target device by the first receive antenna, a first mixed RF signal indicative of a distance between the first interrogator and the target device. The second interrogator includes a second receive antenna, and circuitry configured to generate, using the RF signal synthesis information, a third RF signal; and generate, using the third RF signal and a fourth RF signal received from the target device by the second receive antenna, a second mixed RF signal indicative of a distance between the second interrogator and the target device.

RADIO-FREQUENCY LOCALIZATION TECHNIQUES AND ASSOCIATED SYSTEMS, DEVICES, AND METHODS

A system comprising synchronization circuitry, a first interrogator, and a second interrogator. The first interrogator includes a transmit antenna; a first receive antenna, and circuitry configured to generate, using radio-frequency (RF) signal synthesis information received from the synchronization circuitry, a first RF signal for transmission by the transmit antenna, and generate, using the first RF signal and a second RF signal received from a target device by the first receive antenna, a first mixed RF signal indicative of a distance between the first interrogator and the target device. The second interrogator includes a second receive antenna, and circuitry configured to generate, using the RF signal synthesis information, a third RF signal; and generate, using the third RF signal and a fourth RF signal received from the target device by the second receive antenna, a second mixed RF signal indicative of a distance between the second interrogator and the target device. 1. An interrogator device , comprising:a substrate;a semiconductor die mounted on the first substrate;a transmit antenna on the substrate and shaped to convert a first electric signal to a first radio-frequency (RF) signal for transmission to a target device, the first RF signal having a first center frequency;a receive antenna on the substrate and shaped to convert a second RF signal transmitted from the target device to a second electric signal, the second RF signal having a second center frequency different from the first center frequency; and provide the first electric signal to the transmit antenna and to receive the second electric signal from the receive antenna, and', 'generate a third electrical signal indicative of a distance between the interrogator device and the target device based on the first and second electric signals., 'circuitry integrated with the semiconductor die and configured to2. The device of claim 1 , wherein the second center frequency is a harmonic of the first center ...

Autonomous Cargo Delivery System

An autonomous aerial system for delivering a payload to a waypoint. The autonomous aerial system may comprise an aerial vehicle to transport the payload to the waypoint and an onboard supervisory control system operatively coupled with the aerial vehicle. The aerial vehicle may be configured to navigate to the waypoint and to land at a designated touchdown zone within a landing zone at the waypoint. The onboard supervisory control system having a processor operatively coupled with a non-volatile memory device and a sensor package. The processor may be configured to generate flight control signal data based at least in part on data received via the sensor package, the sensor package configured to (1) dynamically sense and avoid obstacles along a flight route to the waypoint, and (2) perceive physical characteristics of the landing zone. The processor may be configured to autonomously navigate the aerial vehicle to the waypoint and to determine whether to touchdown at the designated touchdown zone based at least in part on physical characteristics of the designated touchdown zone perceived via said sensor package. 1an aerial vehicle; andan onboard supervisory control system operatively coupled with the aerial vehicle.. An autonomous aerial system comprising: This application is a continuation of U.S. patent application Ser. No. 15/678,871, filed on Aug. 16, 2017, which in turn is a continuation of U.S. patent application Ser. No. 15/295,028, filed on Oct. 17, 2016, which in turn is a continuation of U.S. patent application Ser. No. 14/554,852, filed on Nov. 26, 2014, which in turn claims priority to U.S. Provisional Patent Application No. 61/909,471, filed on Nov. 27, 2013. Each application is hereby incorporated by reference in their entirety.This invention was made with government support under Contract Number: N00014-12-C-0671 awarded by United States Navy. The government has certain rights in the invention.The present disclosure is directed to systems and methods ...

HIGH PRECISION TIME OF FLIGHT MEASUREMENT SYSTEM FOR INDUSTRIAL AUTOMATION

A system for tracking position of objects in an industrial environment includes an interrogator, a transponder, and a processor. The interrogator transmits a signal and provides a first reference signal corresponding to the transmitted signal. The transponder provides a response signal. The interrogator receives the response signal and provides a second reference signal corresponding to the response signal. The processor determines a location of either the interrogator or the transponder, relative to the other, based on the two reference signals. 1. A system comprising:at least one first radio frequency transceiver configured to be mounted to a body part of a user;a plurality of interrogators configured to determine a position of the at least one first radio frequency transceiver; andat least one controller to track, using the determined position of the at least one first radio frequency transceiver, movement of the body part of the user while picking items from, and/or placing items into, a plurality of bins.2. The system of claim 1 , further comprising at least one feedback mechanism to provide feedback to the user in picking items from and/or placing items into the plurality of bins.3. The system of claim 2 , wherein the at least one feedback mechanism is configured to signal to the user a correct one of the plurality of bins to pick an item from and/or to place an item into.4. The system of claim 2 , wherein the at least one feedback mechanism is configured to signal to the user that an item has been correctly picked and/or correctly placed.5. The system of claim 2 , wherein the at least one feedback mechanism is configured to signal to the user that an item has been incorrectly picked and/or incorrectly placed.6. The system of claim 2 , wherein the at least one feedback mechanism provides an indication of an unsafe condition.7. The system of claim 2 , wherein the at least one feedback mechanism comprises haptic feedback.8. The system of claim 2 , wherein the at ...

AUTONOMOUS CARGO DELIVERY SYSTEM

An autonomous aerial vehicle includes a flight controller and a mission manager in communication with the flight controller. The flight controller is configured to navigate the autonomous aerial vehicle. The mission manager is configured to receive mission data. The mission data identifies both a landing zone and a designated touchdown zone located within the landing zone. The mission manager is further configured to provide flight control data to the flight controller. The flight control data causes the flight controller to navigate the autonomous aerial vehicle to a predetermined distance from the landing zone. The mission manager is further configured to determine, subsequent to the autonomous aerial vehicle reaching the predetermined distance, whether landing at the designated touchdown zone is feasible. The mission manager is further configured, in response to determining that landing at the designated touchdown zone is not feasible, to identify an alternate touchdown zone located within the landing zone for landing the autonomous aerial vehicle. 1. An autonomous aerial vehicle , comprising:a flight controller configured to navigate the autonomous aerial vehicle; and receive mission data, the mission data identifying both a landing zone and a designated touchdown zone located within the landing zone;', 'provide flight control data to the flight controller, the flight control data to cause the flight controller to navigate the autonomous aerial vehicle to a predetermined distance from the landing zone;', 'determine, subsequent to the autonomous aerial vehicle reaching the predetermined distance, whether landing at the designated touchdown zone is feasible; and', 'in response to determining that landing at the designated touchdown zone is not feasible, identify an alternate touchdown zone located within the landing zone for landing the autonomous aerial vehicle., 'a mission manager in communication with the flight controller and configured to2. The autonomous ...

CHIP-SCALE RADIO-FREQUENCY LOCALIZATION DEVICES AND ASSOCIATED SYSTEMS AND METHODS

A device comprising: a substrate; a semiconductor die mounted on the substrate; a transmit antenna fabricated on the substrate and configured to transmit radio-frequency (RF) signals at least at a first center frequency; a receive antenna fabricated on the substrate and configured to receive RF signals at least at a second center frequency different than the first center frequency; and circuitry integrated with the semiconductor die and configured to provide RF signals to the transmit antenna and to receive RF signals from the receive antenna. 1. A device comprising:a substrate;a semiconductor die mounted on the substrate;a transmit antenna fabricated on the substrate and configured to transmit, to a target device different from the device, first radio-frequency (RF) signals;a receive antenna fabricated on the substrate and configured to receive, from the target device, second RF signals;circuitry integrated with the semiconductor die and comprising a frequency divider and a mixer, wherein the frequency divider has an input coupled to the receive antenna and an output, and wherein the mixer has an input and an output, the input of the mixer being coupled to the output of the frequency divider; andat least one processor configured to receive data obtained using the output of the mixer and to determine a distance between the device and the target device using the data.2. The device of claim 1 , wherein the input of the mixer is a first input of the mixer claim 1 , and the mixer has a second input coupled to a waveform generator.3. The device of claim 1 , wherein the device is a packaged device comprising:first level connections formed by flip-chip bonding the semiconductor die to the substrate;second level connections configured to connect the packaged device to a printed circuit board; anda protective encapsulation for at least the semiconductor die.4. The device of claim 1 , wherein the first RF signals are circularly polarized in a first rotational direction claim ...

Autonomous cargo delivery system

The present invention is directed to a system and methods of providing platform-agnostic systems and methods capable of providing an integrated processor and sensor suite with supervisory control software and interfaces to perform small unit rapid response resupply and CASEVAC into hazardous and unpredictable environments.

RADIO-FREQUENCY LOCALIZATION TECHNIQUES AND ASSOCIATED SYSTEMS, DEVICES, AND METHODS

A device comprising: a substrate; a semiconductor die mounted on the substrate; a transmit antenna fabricated on the substrate and configured to transmit radio-frequency (RF) signals at least at a first center frequency; a receive antenna fabricated on the substrate and configured to receive RF signals at least at a second center frequency different than the first center frequency; and circuitry integrated with the semiconductor die and configured to provide RF signals to the transmit antenna and to receive RF signals from the receive antenna. 1. A device comprising:a substrate;a semiconductor die mounted on the substrate;a transmit antenna fabricated on the substrate and configured to transmit radio-frequency (RF) signals at least at a first center frequency;a receive antenna fabricated on the substrate and configured to receive RF signals at least at a second center frequency different than the first center frequency; andcircuitry integrated with the semiconductor die and configured to provide RF signals to the transmit antenna and to receive RF signals from the receive antenna.2. The device of claim 1 , wherein the semiconductor die is flip-chip bonded to the substrate.3. The device of claim 2 , wherein the device is a packaged device comprising:first level connections formed by flip-chip bonding the semiconductor die to the substrate;second level connections configured to connect the packaged device to a printed circuit board; anda protective encapsulation for at least the semiconductor die.4. The device of claim 3 , wherein the second level connections comprise a ball grid array formed on the bottom surface of the substrate.5. The device of claim 1 , wherein the substrate comprises a printed circuit board having at least one conductive layer claim 1 , and wherein the transmit antenna and the receive antenna are fabricated on the substrate by patterning the at least one conductive layer.6. The device of claim 5 , wherein at least one of the transmit antenna and ...

HIGH-PRECISION TIME OF FLIGHT MEASUREMENT SYSTEMS

A system and method is disclosed for measuring time of flight to an object. A transmitter transmits an electromagnetic signal and provides a reference signal corresponding to the electromagnetic signal. A receiver receives the electromagnetic signal and provides a response signal corresponding to the received electromagnetic signal. A detection circuit is configured to determine a time of flight between the transmitter and the receiver based upon the reference signal and the response signal. 1. (canceled)2. An interrogator device comprising: generate a first radio-frequency (RF) electromagnetic signal and a second RF electromagnetic signal corresponding to the first RF electromagnetic signal,', 'transmit the first RF electromagnetic signal wirelessly to a first device,', 'receive, in response to transmitting the first RF electromagnetic signal, a third RF electromagnetic signal wirelessly from the first device,', 'generate a fourth RF electromagnetic signal using the second and third RF electromagnetic signals,', 'generate a fifth RF electromagnetic signal and a sixth RF electromagnetic signal corresponding to the fifth RF electromagnetic signal,', 'transmit the fifth RF electromagnetic signal wirelessly to a second device,', 'receive, in response to transmitting the fifth RF electromagnetic signal, a seventh RF electromagnetic signal wirelessly from the second device, and', 'generate an eighth RF electromagnetic signal using the sixth and seventh RF electromagnetic signals; and, 'circuitry configured toa processor configured to determine a location of the interrogator relative to both the first and second devices using the fourth and eighth RF electromagnetic signals.3. The interrogator device of claim 2 , wherein the circuitry comprises first and second transmit antennas claim 2 , wherein the first transmit antenna is configured to transmit the first RF electromagnetic signal to the first device and the second transmit antenna is configured to transmit the fifth ...

RADIO-FREQUENCY LOCALIZATION TECHNIQUES AND ASSOCIATED SYSTEMS, DEVICES, AND METHODS

A system comprising a first interrogator device that includes: a first antenna configured to transmit, to a target device, a first radio-frequency (RF) signal having a first center frequency; a second antenna configured to receive, from the target device, a second RF signal having a second center frequency that is a harmonic of the first frequency; and first circuitry configured to obtain, using the first RF signal and the second RF signal, a first mixed RF signal indicative of a first distance between the first interrogator and the target device. The system further comprises at least one processor configured to determine the first distance based, at least in part, on the first mixed RF signal, and determine a location of the target device based, at least in part, on the determined first distance. 120-. (canceled)21. A system , comprising: transmit, to a target device, a first radio-frequency (RF) signal having a first center frequency;', 'receive, from the target device, a second RF signal having a second center frequency different from the first frequency;, 'a first dual-mode antenna configured tofirst circuitry configured to obtain, based on the first RF signal and the second RF signal, a first mixed RF signal indicative of a first distance between the dual mode antenna and the target device;a second receive antenna configured to receive, from the target device, a third RF signal having the second center frequency;second circuitry configured to obtain, based on the first RF signal and the third RF signal, a second mixed RF signal indicative of a second distance between the second antenna and the target device;a third receive antenna configured to receive, from the target device, a fourth RF signal having the second center frequency;third circuitry configured to obtain, based on the first RF signal and the fourth RF signal, a third mixed RF signal indicative of a third distance between the third antenna device and the target device; and determine the first ...

Radio-frequency localization techniques and associated systems, devices, and methods

A system comprising synchronization circuitry, a first interrogator, and a second interrogator. The first interrogator includes a transmit antenna; a first receive antenna, and circuitry configured to generate, using radio-frequency (RF) signal synthesis information received from the synchronization circuitry, a first RF signal for transmission by the transmit antenna, and generate, using the first RF signal and a second RF signal received from a target device by the first receive antenna, a first mixed RF signal indicative of a distance between the first interrogator and the target device. The second interrogator includes a second receive antenna, and circuitry configured to generate, using the RF signal synthesis information, a third RF signal; and generate, using the third RF signal and a fourth RF signal received from the target device by the second receive antenna, a second mixed RF signal indicative of a distance between the second interrogator and the target device.

Autonomous Cargo Delivery System

An autonomous aerial system for delivering a payload to a waypoint. The autonomous aerial system may comprise an aerial vehicle to transport the payload to the waypoint and an onboard supervisory control system operatively coupled with the aerial vehicle. The aerial vehicle may be configured to navigate to the waypoint and to land at a designated touchdown zone within a landing zone at the waypoint. The onboard supervisory control system having a processor operatively coupled with a non-volatile memory device and a sensor package. The processor may be configured to generate flight control signal data based at least in part on data received via the sensor package, the sensor package configured to (1) dynamically sense and avoid obstacles along a flight route to the waypoint, and (2) perceive physical characteristics of the landing zone. The processor may be configured to autonomously navigate the aerial vehicle to the waypoint and to determine whether to touchdown at the designated touchdown zone based at least in part on physical characteristics of the designated touchdown zone perceived via said sensor package. 1. An autonomous aerial system for delivering a payload to a waypoint , the autonomous aerial system comprising:an aerial vehicle to transport the payload to the waypoint, the aerial vehicle configured to navigate to the waypoint and to land at a designated touchdown zone within a landing zone at the waypoint; andan onboard supervisory control system operatively coupled with the aerial vehicle, the onboard supervisory control system having a processor operatively coupled with a non-volatile memory device and a sensor package,wherein the processor is configured to generate flight control signal data based at least in part on data received via the sensor package, the sensor package configured to (1) dynamically sense and avoid obstacles along a flight route to the waypoint, and (2) perceive physical characteristics of the landing zone, andwherein the processor ...

HIGH PRECISION TIME OF FLIGHT MEASUREMENT SYSTEM FOR INDUSTRIAL AUTOMATION

A system for tracking position of objects in an industrial environment includes an interrogator, a transponder, and a processor. The interrogator transmits a signal and provides a first reference signal corresponding to the transmitted signal. The transponder provides a response signal. The interrogator receives the response signal and provides a second reference signal corresponding to the response signal. The processor determines a location of either the interrogator or the transponder, relative to the other, based on the two reference signals. 1. A system comprising:at least one first radio frequency transceiver configured to be mounted to a body part of a user;at least one second radio frequency transceiver mounted to a portion of a robot;a plurality of interrogators configured to determine a position of the at least one first radio frequency transceiver and configured to determine a position of the at least one second radio frequency transceiver; andat least one controller configured to track, using the determined position of the at least one first radio frequency transceiver, movement of the body part of the user, and configured to track, using the determined position of the at least one second radio frequency transceiver, movement of the portion of the robot relative to the movement of the body part of the user.2. The system of claim 1 , further comprising at least one feedback mechanism to provide feedback to the user about the position of the body part relative to the position of the portion of the robot.3. The system of claim 2 , wherein the at least one feedback mechanism comprises haptic feedback.4. The system of claim 2 , wherein the at least one feedback mechanism comprises at least one light emitting diode.5. The system of claim 1 , wherein the at least one controller is configured to stop movement of the portion of the robot based on the determined position of the body part of the user relative to the determined position of the portion of the robot.6 ...

Radio-frequency localization techniques and associated systems, devices, and methods

A device comprising: a substrate; a semiconductor die mounted on the substrate; a transmit antenna fabricated on the substrate and configured to transmit radio-frequency (RF) signals at least at a first center frequency; a receive antenna fabricated on the substrate and configured to receive RF signals at least at a second center frequency different than the first center frequency; and circuitry integrated with the semiconductor die and configured to provide RF signals to the transmit antenna and to receive RF signals from the receive antenna.

High-precision time of flight measurement systems

A system and method is disclosed for measuring time of flight to an object. A transmitter transmits an electromagnetic signal and provides a reference signal corresponding to the electromagnetic signal. A receiver receives the electromagnetic signal and provides a response signal corresponding to the received electromagnetic signal. A detection circuit is configured to determine a time of flight between the transmitter and the receiver based upon the reference signal and the response signal.

High precision time of flight measurement system for industrial automation

A system for tracking position of objects in an industrial environment includes an interrogator, a transponder, and a processor. The interrogator transmits a signal and provides a first reference signal corresponding to the transmitted signal. The transponder provides a response signal. The interrogator receives the response signal and provides a second reference signal corresponding to the response signal. The processor determines a location of either the interrogator or the transponder, relative to the other, based on the two reference signals.

Radio-frequency systems and methods for co-localization of multiple devices and/or people

Systems and methods for facilitating interactions between a robotic arm and a movable platform using radio frequency (RF) co-localization are provided. The systems include target devices; an interrogator system comprising RF antennas, each of the RF antennas configured to transmit RF signals to the target devices and/or receive RF signals from the target devices; and a controller. The controller is configured to control at least one of the RF antennas to transmit one or more first RF signals to a target device coupled to a movable platform; control at least some of the RF antennas to receive second RF signals from at least the target device; determine a position of the movable platform using the received second RF signals; and determine, using the position of the movable platform, a target position to which to move an end effector of a robotic arm in order to perform a task.

Radio-frequency localization techniques and associated systems, devices, and methods

High-precision time of flight measurement systems

A system and method is disclosed for measuring time of flight to an object. A transmitter transmits an electromagnetic signal and provides a reference signal corresponding to the electromagnetic signal. A receiver receives the electromagnetic signal and provides a response signal corresponding to the received electromagnetic signal. A detection circuit is configured to determine a time of flight between the transmitter and the receiver based upon the reference signal and the response signal.

High precision time of flight measurement system for industrial automation

A system for tracking position of objects in an industrial environment includes an interrogator, a transponder, and a processor. The interrogator transmits a signal and provides a first reference signal corresponding to the transmitted signal. The transponder provides a response signal. The interrogator receives the response signal and provides a second reference signal corresponding to the response signal. The processor determines a location of either the interrogator or the transponder, relative to the other, based on the two reference signals.

Radio-frequency systems and methods for co-localization of multiple devices and/or people

Radio-frequency systems and methods for co-localization of medical devices and patients

Systems and methods for facilitating interactions between a medical device (e.g., an imaging device, a surgical tool, a robotic arm, etc.) and a patient using radio frequency (RF) co-localization are provided. The systems include a radio-frequency (RF) interrogator system, one or more first RF target devices for coupling to a patient support for supporting a patient with respect to whom a medical device is to perform a task, and one or more second RF target devices for coupling to the medical device. A controller determines a position of the patient support within an RF interrogator system reference frame, a first position of the medical device within the RF interrogator system reference frame, a transformation between the RF interrogator system reference frame and a patient support reference frame, and a second position of the medical device within the patient support reference frame.

Autonomous cargo delivery system

An autonomous aerial system for delivering a payload to a waypoint. The autonomous aerial system may comprise an aerial vehicle to transport the payload to the waypoint and an onboard supervisory control system operatively coupled with the aerial vehicle. The aerial vehicle may be configured to navigate to the waypoint and to land at a designated touchdown zone within a landing zone at the waypoint. The onboard supervisory control system having a processor operatively coupled with a non-volatile memory device and a sensor package. The processor may be configured to generate flight control signal data based at least in part on data received via the sensor package, the sensor package configured to (1) dynamically sense and avoid obstacles along a flight route to the waypoint, and (2) perceive physical characteristics of the landing zone. The processor may be configured to autonomously navigate the aerial vehicle to the waypoint and to determine whether to touchdown at the designated touchdown zone based at least in part on physical characteristics of the designated touchdown zone perceived via said sensor package.