Resource Block Indication and Allocation for In-Device Coexistence Interference Avoidance

A method is provided for reducing radio frequency interference between a first device and a second device co-located on a UE. The method comprises transmitting, by the UE, to a network element, responsive to the UE detecting IDC interference between the first device and the second device, an output power level of the first device, an amount of de-sense experienced by the second device, and information regarding a plurality of RBs on which the UE requests to perform an uplink transmission. 1. A method for reducing radio frequency interference between a first device and a second device co-located on a user equipment (UE) , the method comprising:transmitting, by the UE, to a network element, responsive to the UE detecting in-device coexistence (IDC) interference between the first device and the second device, an output power level of the first device, an amount of de-sense experienced by the second device, and information regarding a plurality of resource blocks (RBs) on which the UE requests to perform an uplink transmission.2. The method of claim 1 , wherein the first device is a long term evolution (LTE)-based device and the second device is one of:a device using an industrial, scientific, and medical (ISM) radio frequency band; ora device using a global navigation satellite system (GNSS) radio frequency band.3. The method of claim 1 , wherein the information regarding the plurality of RBs comprises one of:a start index and a stop index for the plurality of RBs;a start index and a number of RBs for the plurality of RBs; ora stop index and a number of RBs for the plurality of RBs.4. The method of claim 1 , wherein the UE retrieves from internal storage for inclusion in the transmission to the network element data relating a number of RBs for uplink transmission to the output power level of the first device and to the amount of de-sense experienced by the second device.5. The method of claim 1 , wherein the UE transmits the output power level of the first device claim ...

APPLICATION ASSISTED BAND SCANNING METHOD TO REDUCE NETWORK ACQUISITION TIME

A method of selecting a cellular network entails determining a current location of a mobile device by obtaining location data from an application on the mobile device, prioritizing cellular network frequency bands based on the current location to define a band priority, and selecting the cellular network based on the band priority. This method expedites selection of the cellular network when a mobile device is powered on, when its cellular radiofrequency transceiver is activated or when returning from an out-of-coverage area. 1. A method by a mobile device of selecting a cellular network , the method comprising:scanning frequency bands according to a default order;determining a current location of the mobile device by obtaining location data from one or more applications on the mobile device;prioritizing cellular network frequency bands based on the current location to define a band priority;responsive to the prioritizing being complete, interrupting the scanning; andresuming the scanning of the frequency bands according to the band priority.2. The method of wherein determining the current location is based on data from a calendar application.3. The method of wherein determining the current location is based on data from a social media application.4. The method of wherein determining the current location is based on data from a travel-related application.5. The method of wherein determining the current location is based on data from a web browser application.6. The method of wherein determining the current location comprises mining messages for travel-related location data.7. The method of wherein determining the current location is performed in response to activating a cellular radiofrequency transceiver.8. A non-transitory computer-readable medium comprising instructions in code which when loaded into a memory and executed by a processor of a mobile device cause the mobile device to:scan frequency bands according to a default order;determine a current location of ...

MITIGATING INTERFERENCE BETWEEN CO-LOCATED WIRELESS TECHNOLOGIES

An apparatus has a first communication module that is compatible with a first wireless communication technology, and a second communication module that is compatible with a second, different, wireless communication technology. Transmissions by each communication module may contribute to interference at the other communication module. In one example, a Block Acknowledgement Request is transmitted by the apparatus during a downlink period of the second communication module so that the Block Acknowledgement transmitted in response is received during the downlink period. In another example, the apparatus calculates a maximum size of A-MPDU to receive and notifies an access point of that maximum size. In a further example, the apparatus, having notified an access point of operation in a power save mode, polls the access point for buffered frames at the start of a downlink period of the second communication module. 1. A method for co-existence in an apparatus having a wireless local area network (WLAN) communication module and a Long Term Evolution (LTE) communication module , the method comprising:the WLAN communication module selecting a High Throughput (HT)-Delayed Block Acknowledgement (ACK) policy for communications in a WLAN frequency band with an access point (AP);the WLAN communication module transmitting an aggregated medium access control (MAC) protocol data unit (A-MPDU) to the AP during an uplink period reserved by an evolved base node (eNB) for uplink communications, the eNB serving the LTE communication module, the LTE communication module operative in one or more LTE Time Division Duplex (TDD) frequency bands that are adjacent or near the WLAN frequency band; andthe WLAN communication module transmitting a Block ACK Request to the AP during a downlink period reserved by the eNB for downlink communications that follows the uplink period.2. The method of claim 1 , further comprising:the WLAN communication module receiving from the AP, during the downlink ...

MITIGATING INTERFERENCE WITH WIRELESS COMMUNICATIONS

An electronic device monitors a quality of a wireless connection between the electronic device and a first access point. Based on the monitoring and a collection of parameters relating to controlling handover between access points, a determination is made regarding whether the electronic device should be handed over to a second access point from the first access point, where the parameters differ for different combinations of the first access point and candidate destination access points for handover of the electronic device from the first access point. 1. A method of mitigating interference with wireless communications , comprising:monitoring, by an electronic device, a quality of a wireless connection between the electronic device and a first access point; anddetermining, by the electronic device based on the monitoring and a collection of parameters relating to controlling handover between access points, whether the electronic device should be handed over to a second access point from the first access point, wherein the parameters differ for different combinations of the first access point and candidate destination access points for handover of the electronic device from the first access point.2. The method of claim 1 , wherein the collection of parameters includes parameters relating to wireless connection quality thresholds usable for deciding whether the monitored quality of the wireless connection should trigger a handover.3. The method of claim 1 , wherein the collection of parameters includes parameters relating to differences in wireless connection qualities between the first access point and the respective candidate destination access points.4. The method of claim 1 , wherein the determining comprises:using a first subset of the collection of parameters to decide whether the electronic device should be handed over from the first access point to a second access point; andusing a second subset of the collection of parameters to decide whether the electronic ...

METHOD AND DEVICE FOR WIRELESS NETWORK COEXISTENCE

A method and device are disclosed for transmission control based on conditions at a receiver. A condition for a received channel of a first wireless network when one or more transmitters for a second or additional wireless networks are transmitting is determined. A condition for the received channel when the transmitters of the second or additional wireless networks are not transmitting also is determined and the two conditions are compared. Depending on the comparison, transmission characteristics for the second wireless network may be modified to mitigate desensitization of the receiver due to the coexistence of transceivers for supporting multiple types of communication subsystems. 1. A method for receiving data in a first wireless network and transmitting data in at least a second wireless network , the method comprising:determining a first condition for a received channel of a first wireless network when a transmitter for a second wireless network is transmitting;determining a second condition for the received channel when the transmitter for the second wireless network is not transmitting;comparing the first condition and the second condition; anddependent on the comparison, modifying transmission characteristics for the transmitter for the second wireless network.2. The method of wherein determining the first condition for the received channel of the first wireless network further comprises determining the first condition when the transmitter for the second wireless network and a transmitter for the first wireless network are both transmitting.3. The method of wherein the transmitter for the second wireless network and the transmitter for the first wireless network both transmitting comprises a transmission event for the second wireless network and a transmission event for the first wireless network overlapping at least partially during a channel condition window.4. The method of wherein determining the second condition for the received channel when the ...

UTILIZING WI-FI COUNTRY CODE TO ASSIST CELLULAR NETWORK SELECTION

A method of selecting a cellular network entails detecting a Wi-Fi signal, obtaining a country code from the Wi-Fi signal, prioritizing cellular network frequency bands based on the country code to define a band priority, and selecting a cellular network based on the band priority. The country code may be an IEEE 802.11d Country Code Information Element. 1. A method of selecting a cellular network , the method comprising:detecting a Wi-Fi signal;obtaining a country code from the Wi-Fi signal;prioritizing cellular network frequency bands to scan based on the obtained country code to define a band priority;selecting a cellular network based on band priority; andapplying a first timer to set a threshold amount of time to elapse before performing the detecting of the Wi-Fi signal and the obtaining of the country code from the Wi-Fi signal and applying a second timer to limit a total scan time.2. The method as claimed in further comprising determining at least one of a location area code (LAC) claim 1 , routing area code (RAC) or tracking area code (TAC) from the Wi-Fi signal to identify a geographic area smaller than a country to enable further prioritization of the cellular network frequency bands based on the geographic area.3. The method as claimed in comprising:obtaining two country codes from two Wi-Fi signals transmitted by two different Wi-Fi access points;comparing the two country codes; andperforming the prioritizing and the selecting only if the two country codes match.4. The method as claimed in wherein the detecting occurs in response to activating a cellular radiofrequency transceiver.5. (canceled)6. The method as claimed in wherein the country code is an IEEE 802.11d Country Code Information Element.7. A non-transitory computer-readable medium comprising instructions in code which when loaded into a memory and executed by a processor of a mobile device cause the mobile device to:detect a Wi-Fi signal;obtain a country code from the Wi-Fi signal;prioritize ...

APPLICATION ASSISTED BAND SCANNING METHOD TO REDUCE NETWORK ACQUISITION TIME

A method of selecting a cellular network entails determining a current location of a mobile device by obtaining location data from an application on the mobile device, prioritizing cellular network frequency bands based on the current location to define a band priority, and selecting the cellular network based on the band priority. This method expedites selection of the cellular network when a mobile device is powered on, when its cellular radiofrequency transceiver is activated or when returning from an out-of-coverage area. 1. A method of selecting a cellular network , the method comprising:determining a current location of a mobile device by obtaining location data from an application on the mobile device;prioritizing cellular network frequency bands based on the current location to define a band priority; andselecting the cellular network based on the band priority.2. The method as claimed in wherein determining the current location is based on data from a calendar application.3. The method as claimed in wherein determining the current location is based on data from a social media application.4. The method as claimed in wherein determining the current location is based on data from a travel-related application.5. The method as claimed in wherein determining the current location is based on data from a web browser application.6. The method as claimed in wherein determining the current location comprises mining messages for travel-related location data.7. The method as claimed in wherein the determining of the current location is performed in response to activating a cellular radiofrequency transceiver.8. A non-transitory computer-readable medium comprising instructions in code which when loaded into a memory and executed by a processor of a mobile device cause the mobile device to:determine a current location of a mobile device by obtaining location data from an application on the mobile device;prioritize cellular network frequency bands based on the current ...

MITIGATING INTERFERENCE BETWEEN CO-LOCATED WIRELESS TECHNOLOGIES

An apparatus has a first communication module that is compatible with a first wireless communication technology, and a second communication module that is compatible with a second, different, wireless communication technology. Transmissions by each communication module may contribute to interference at the other communication module. In one example, a Block Acknowledgement Request is transmitted by the apparatus during a downlink period of the second communication module so that the Block Acknowledgement transmitted in response is received during the downlink period. In another example, the apparatus calculates a maximum size of A-MPDU to receive and notifies an access point of that maximum size. In a further example, the apparatus, having notified an access point of operation in a power save mode, polls the access point for buffered frames at the start of a downlink period of the second communication module. 1. A method for co-existence in an apparatus having a wireless local area network (WLAN) communication module and a Long Term Evolution (LTE) communication module , the method comprising:the WLAN communication module notifying an access point (AP) with which the WLAN communication module communicates in a WLAN frequency band that the WLAN communication module is operating in a power save mode;the WLAN communication module receiving from the AP a notification that the AP has buffered frames destined for the WLAN communication module; andthe WLAN communication module transmitting a power save poll frame to the AP to trigger transmission of the buffered frames, the power save poll being transmitted by the WLAN communication module at a start of a downlink period reserved by an evolved base node (eNB) for downlink communications, the eNB serving the LTE communication module, the LTE communication module operative in one or more LTE Time Division Duplex (TDD) frequency bands that are adjacent or near the WLAN frequency band.2. The method of claim 1 , further ...

UTILIZING WI-FI COUNTRY CODE TO ASSIST CELLULAR NETWORK SELECTION

A method of selecting a cellular network entails detecting a Wi-Fi signal, obtaining a country code from the Wi-Fi signal, prioritizing cellular network frequency bands based on the country code to define a band priority, and selecting a cellular network based on the band priority. The country code may be an IEEE 802.11d Country Code Information Element. 1. A method of selecting a cellular network at a mobile device , the method comprising:during a cellular network selection scan by the mobile device, starting a scan timer;prior to expiry of the scan timer, detecting a Wi-Fi signal;obtaining a country code from the Wi-Fi signal;using said obtained country code to define a prioritization of frequency bands for said cellular network selection.2. The method as claimed in further comprising determining at least one of a location area code (LAC) claim 1 , routing area code (RAC) or tracking area code (TAC) from the Wi-Fi signal to identify a geographic area smaller than a country to enable further prioritization of the cellular network frequency bands based on the geographic area.3. The method as claimed in comprising:obtaining two country codes from two Wi-Fi signals transmitted by two different Wi-Fi access points;comparing the two country codes; andusing the obtained country code to define a prioritization of frequency bands only if the two country codes match.4. The method as claimed in wherein the detecting occurs in response to activating a cellular radiofrequency transceiver.5. The method as claimed in further comprising applying a first timer to set a threshold amount of time to elapse before performing the detecting of the Wi-Fi signal and the obtaining of the country code from the Wi-Fi signal.6. The method as claimed in wherein the country code is an IEEE 802.11d Country Code Information Element.7. A non-transitory computer-readable medium comprising instructions in code which when loaded into a memory and executed by a processor of a mobile device cause the ...

Dynamically Managing Band Capability

In some implementations, a method in a user equipment (UE) for dynamically managing band capacity includes communicating with a first radio access network (RAN) on a first Radio Frequency (RF) channel and a second RAN on a second RF channel, where the first RAN and the second RAN are different networks. The UE receives an indication from the first RAN (or makes a determination) to handover to a third RF channel. The UE determines that the third RF channel conflicts with the second RF channel. The UE disables an RF band including the second RF channel with the second RAN and reports updated RF Band Capabilities to one or both RANs. 1. A method , comprising:communicating with a first radio access network (RAN) on a first Radio Frequency (RF) channel and a second RAN on a second RF channel;identifying a third RF channel as a handover candidate in response to an indication from the first RAN;determining that the third RF channel conflicts with the second RF channel; anddisabling a frequency band including the second RF channel with the second RAN.2. The method of claim 1 , further comprising reporting updated RF Band Capabilities to at least one of the first RAN or the second RAN.3. The method of claim 1 , wherein the disablement includes a signaling connection release indication followed by a Radio Resource Control (RRC) Connection Request.4. The method of claim 1 , wherein the disablement is communicated to the network using a RRC message.5. The method of claim 1 , wherein the determination includes using a band conflict table.6. The method of claim 1 , wherein the determination includes using a channel conflict table.7. The method of claim 6 , wherein the channel conflict table is based on at least one of a channel bandwidth of the first RAN claim 6 , a channel bandwidth of the second RAN claim 6 , or a guard band requirement.8. The method of claim 1 , further comprising reporting an RF capability to the second RAN claim 1 , wherein the RF capability excludes the ...

Dynamically Managing Band Capability

In some implementations, a method in a user equipment (UE) for dynamically managing band capacity includes communicating with a first radio access network (RAN) on a first Radio Frequency (RF) channel and a second RAN on a second RF channel, where the first RAN and the second RAN are different networks. The UE receives an indication from the first RAN (or makes a determination) to handover to a third RF channel. The UE determines that the third RF channel conflicts with the second RF channel. The UE disables an RF band including the second RF channel with the second RAN and reports updated RF Band Capabilities to one or both RANs. 129-. (canceled)30. A method , comprising:camping on a first radio access network (RAN) on a first Radio Frequency (RF) channel using a first receiver and transmitter and a second RAN on a second RF channel using a second receiver and transmitter;determining that the first RF channel conflicts with the second RF channel;receiving an indication from the first RAN to establish a radio connection on the first RF channel using the first receiver and transmitter;connecting to the first RAN on the first RF channel using the first receiver and transmitter; anddisabling a frequency band of the second receiver and transmitter, wherein the frequency band includes the second RF channel with the second RAN.31. The method of claim 30 , wherein the camping is performed in a Radio Resource Control (RRC) Idle state.32. The method of claim 30 , wherein the determination includes using a band conflict table.33. The method of claim 30 , wherein the determination includes using a channel conflict table.34. The method of claim 33 , wherein the channel conflict table is based on at least one of a channel bandwidth of the first RAN claim 33 , a channel bandwidth of the second RAN claim 33 , or a guard band requirement.35. The method of claim 30 , wherein the first RAN and the second RAN comprise different types of radio access technologies.36. The method of ...

Cordless phone with standby antenna