Random Access Channel Response Handling With Aggregated Component Carriers

Disclosed herein are methods, computer program instructions and apparatus for performing random access procedures in a wireless communication system. A method includes receiving at a network access node, in different time and frequency resources that are allocated for preamble transmission, and in different ones of a plurality of component carriers, a plurality of random access requests from individual ones of a plurality of user equipments; and transmitting a corresponding plurality of random access responses in a time and frequency resource of a single component carrier. 119-. (canceled)20. A method , comprising:receiving at a network access node, in a time and frequency resource associated with a first frequency band, a random access request from a user equipment; andtransmitting a corresponding random access response in a time and frequency resource associated with a second frequency band.21. The method of claim 20 , where transmitting comprises transmitting a plurality of aggregated random access responses for a corresponding plurality of user equipments in response to random access requests received in different time and frequency resources associated with the first frequency band claim 20 , the second frequency band claim 20 , or another frequency band.22. A method claim 20 , comprising:transmitting to a network access node, in a time and frequency resource allocated for preamble transmission, of one of a plurality of component carriers, a random access request; andreceiving a random access response that is aggregated with other random access responses in a time and frequency resource of the same or a different component carrier.23. The method of claim 22 , where the random access response is received on a physical downlink shared channel.24. The method as in claim 22 , where the random access response is received in a component carrier that is selected freely by the network access node from the plurality of component carriers claim 22 , or where the random ...

Cross-Carrier Preamble Responses

Methods, apparatus, and program products are disclosed that perform the following: sending an offset to a user equipment; sending an assignment on a control channel, the assignment corresponding to a random access request by the user equipment, wherein the assignment is addressed to the user equipment by using a value determined using the offset; and sending a random access response for the user equipment on resources of a shared channel, the resources corresponding to the assignment. Methods, apparatus, and program products are disclosed that perform the following: receiving at a user equipment an offset; receiving an assignment on a control channel, the assignment corresponding to a random access request, wherein the assignment is addressed to the user equipment by using a value determined using the offset; and receiving a random access response for the user equipment on resources of a shared channel, the resources corresponding to the assignment.

Method And Apparatus Providing Multi-Level Proximity Indication And Small Cell Discovery

A method includes receiving a first measurement configuration at a user equipment from a wireless communication network; making measurements using the first measurement configuration; in response to a condition being satisfied resulting from the measurements that are made, transmitting an indication that an allowed small cell has been detected; receiving a second measurement configuration at the user equipment from the wireless communication network; and making measurements of the allowed small cell using the second measurement configuration, where the first measurement configuration results in measurements being made less frequently than measurements made in accordance with the second measurement configuration. An apparatus configured to perform the method is also disclosed. 1. A method , comprising:receiving a first measurement configuration at a user equipment from a wireless communication network;making measurements using the first measurement configuration;in response to a condition being satisfied resulting from the measurements that are made, transmitting an indication that an allowed small cell has been detected;receiving a second measurement configuration at the user equipment from the wireless communication network; andmaking measurements of the allowed small cell using the second measurement configuration, where the first measurement configuration results in measurements being made less frequently than measurements made in accordance with the second measurement configuration.2. The method of claim 1 , comprising an initial step claim 1 , performed in response to a precondition being satisfied claim 1 , of transmitting a message from the user equipment to the wireless communication network claim 1 , the message indicating proximity to a small cell.3. The method of claim 1 , where the first measurement configuration is received from the wireless communications network in response to a precondition being satisfied and without being requested by the user ...

Security Solution For Integrating a WiFi Radio Interface in LTE Access Network

A method for security for inter-RAT carrier aggregation is disclosed. The method includes encrypting a message using an encryption technique for a first RAT. The method also includes sending, to a UE, at least a portion of the encrypted message using a different, second RAT. Sending using the second RAT does not further encrypt the at least a portion of the encrypted message. The method further includes receiving the at least a portion of the message encrypted using the first RAT protocol. Receiving uses the second, different RAT. The method also includes decrypting the at least a portion of the message using the first RAT protocol. Apparatus and computer readable media are also described. 1. A method comprising:encrypting a message using an encryption technique for a first radio access technology; andsending, to a user equipment, at least a portion of the encrypted message using a different, second radio access technology,where sending using the second radio access technology does not further encrypt the at least a portion of the encrypted message.2. The method of claim 1 , where the at least a portion of the encrypted message is a first portion claim 1 , the method further comprising:splitting the encrypted message into the first portion and a second portion; andsending the second portion of the encrypted message using the first radio access technology.3. The method of claim 1 , where encrypting the message occurs at a first protocol layer claim 1 , and sending the at least a portion of the encrypted message occurs at a lower second protocol layer.4. The method of claim 1 , further comprising:sending, to the user equipment using the first radio access technology, instructions for the user equipment to configure for operation on the second radio access technology;receiving, from the user equipment using the first radio access technology, a medium access control address of the user equipment on the second radio access technology; andadding the medium access control ...

RACH Preamble Response With Flexible UL Allocation

A method for allocating resources between a mobile communication device and a network access node is described. The method includes sending a random access preamble message to the network access node. Receiving a random access response message which includes a response to the random access preamble message is also included in the method. The response includes UL resource allocation information for scheduling an UL transmission. The UL resource allocation information includes information identifying one or more individual time subframes allocated for the UL transmission. The method also includes sending the UL transmission in the identified one or more individual time subframes. Apparatus and computer readable memory are also described 1. A method comprising:sending a random access preamble message,receiving a random access response message at a first subframe comprising a response to the random access preamble message,where the random access response message comprises uplink resource allocation information for scheduling an uplink transmission,where the uplink resource allocation information comprises information identifying at least one individual time subframe allocated for the uplink transmission,where the information identifying the at least one individual time subframe is expressed in at least one bit indicating whether the at least one individual time subframe is delayed; andin response to the at least one bit indicating that the at least one individual time subframe is delayed, sending the uplink transmission in a subframe subsequent to at least one individual time subframe which would have been identified if the at least one bit had indicated that the at least one individual time subframe is not delayed, where the identified at least one individual time subframe is offset from the first subframe.2. The method of claim 1 , where the information identifying the at least one individual time subframe is configured to identify up to at least two individual time ...

Method And Apparatus Providing Multi-Level Proximity Indication And Small Cell Discovery

A method includes receiving a first measurement configuration at a user equipment from a wireless communication network; making measurements using the first measurement configuration; in response to a condition being satisfied resulting from the measurements that are made, transmitting an indication that an allowed small cell has been detected; receiving a second measurement configuration at the user equipment from the wireless communication network; and making measurements of the allowed small cell using the second measurement configuration, where the first measurement configuration results in measurements being made less frequently than measurements made in accordance with the second measurement configuration. An apparatus configured to perform the method is also disclosed. 125.-. (canceled)26. A method , comprising:receiving a first measurement configuration at a user equipment from a wireless communication network;making measurements using the first measurement configuration;in response to a condition being satisfied resulting from the measurements that are made using the first measurement configuration, transmitting an indication that an allowed cell has been detected;receiving a second measurement configuration at the user equipment from the wireless communication network; andmaking measurements of the allowed small cell using the second measurement configuration to determine whether the allowed cell can be utilized to provide service to the user equipment, where the first measurement configuration results in measurements being made less frequently than measurements made in accordance with the second measurement configuration.27. The method of claim 26 , comprising an initial step claim 26 , performed in response to a precondition being satisfied of transmitting a message from the user equipment to the wireless communication network claim 26 , the message indicating proximity to a particular cell claim 26 , and where the precondition that is satisfied ...

Carrier Indicator Field Usage And Configuration In Carrier Aggregation

Format of a downlink control channel for a user equipment UE is changed in conjunction with switching the UE between being enabled for cross carrier scheduling and being disabled for cross carrier scheduling. The changed format is used on at least one serving cell of the UE's configured set of component carriers CCs. In one embodiment the changed format comprises an explicit carrier indicator field CIF for the case in which the switching is from disabled to enabled; and the changed format has no explicit CIF when the switching is from enabled to disabled. In another embodiment switching from disabled to enabled comprises the UE's configured set of CCs being changed from one to multiple cells; and switching from enabled to disabled comprises the UE's configured set of CCs being changed from multiple cells to one cell. In one embodiment the changed format is implicit. 120-. (canceled)21. A method , comprising:changing format of a downlink control channel for a user equipment from a format which has no explicit carrier indicator field to a format that which has an explicit carrier indicator field; and thereafterswitching the user equipment from being disabled for cross carrier scheduling to being enabled for cross carrier scheduling.22. The method according to claim 21 , in which changing the format of the downlink control channel is based on explicit signaling between a network and the user equipment.23. The method according to claim 21 , in which switching the user equipment from being disabled for cross carrier scheduling to being enabled for cross carrier scheduling comprises:changing the user equipment's configured set of component carriers from only a primary cell to multiple cells configured to use cross carrier scheduling.24. The method according to claim 21 , in which switching the user equipment from being disabled for cross carrier scheduling to being enabled for cross carrier scheduling comprises:adding to the user equipment's configured set of component ...

RANDOM ACCESS CHANNEL RESPONSE HANDLING WITH AGGEGRATED COMPONENT CARRIERS

Disclosed herein are methods, computer program instructions and apparatus for performing random access procedures in a wireless communication system. A method includes receiving at a network access node, in different time and frequency resources that are allocated for preamble transmission, and in different ones of a plurality of component carriers, a plurality of random access requests from individual ones of a plurality of user equipments; and transmitting a corresponding plurality of random access responses in a time and frequency resource of a single component carrier. 1. A method , comprising:receiving at a network access node, in different time and frequency resources that are allocated for preamble transmission, and in different ones of a plurality of component carriers, a plurality of random access requests from individual ones of a plurality of user equipments; andtransmitting a corresponding plurality of random access responses in a time and frequency resource of a single component carrier.2. The method of claim 1 , where the plurality of random access responses are transmitted on a physical downlink shared channel.3. The method as in any one of the preceding claims claim 1 , where the single component carrier is selected freely by the network access node from a set of component carriers.4. The method as in either or claim 1 , where the single component carrier is selected by the network access node in accordance with at least one rule.5. The method of claim 4 , where the at least one rule comprises selecting the single component carrier as being one having a first available downlink slot and claim 4 , for a case where more than one of the component carriers each simultaneously contain an available downlink slot claim 4 , selecting as the single component carrier the component carrier having the highest frequency subcarrier.6. The method as in either or claim 4 , where the single component carrier is specified by the use of explicit signaling.7. The method ...

Methods And Apparatus for Internetworking

Systems and techniques for data traffic management are described. A base station providing data communication services to user devices and capable of transferring traffic to one or more wireless network access points receives data queuing latency information relating to data queuing latency experienced by the one or more user devices, access points, or both. The base station makes determinations relating to offloading of traffic to access points, such as from wireless cellular network frequencies to wireless local area network resources, based on the latency information.

RANDOM ACCESS CHANNEL RESPONSE HANDLING WITH AGGEGRATED COMPONENT CARRIERS

Disclosed herein are methods, computer program instructions and apparatus for performing random access procedures in a wireless communication system. A method includes receiving at a network access node, in different time and frequency resources that are allocated for preamble transmission, and in different ones of a plurality of component carriers, a plurality of random access requests from individual ones of a plurality of user equipments; and transmitting a corresponding plurality of random access responses in a time and frequency resource of a single component carrier. 1. A method , comprising:transmitting, from a user equipment to a network access node, a random access request in a time and frequency resource associated with a first frequency band; andreceiving, at the user equipment, a random access responses to the random access request that is aggregated with other random access responses in a time and frequency resource associated with a second different frequency band,wherein the aggregated random access response comprises responses to a plurality of random access requests from individual ones of a plurality of user equipments.2. The method of claim 1 , wherein the random access response is received on a physical downlink shared channel.3. The method of claim 1 , wherein the aggregated random access response is received via a primary component carrier.4. The method of claim 1 , wherein the aggregated random access response is for a first type of user equipment and for a second type of user equipment claim 1 , and there is at least one random access response for one of the second type of user equipment that is placed in a message at a location that need not be read by the first type of user equipment claim 1 , and the message comprises an indicator that is set for indicating that the message contains the at least one random access response for one of the second type of user equipment.6. The apparatus of claim 5 , wherein the random access response is ...

Signaling to support scheduling in an integrated access and backhaul system

In accordance with an example embodiment of the present invention, an apparatus comprising: at least one processor; and at least one memory including computer program code, wherein the at least one memory and the computer program code are configured to, with the at least one processor, cause the apparatus to perform at least the following: allocate a physical uplink channel between at least one integrated access and backhaul node user equipment function and a parent distributed unit; and send at least one message via the physical uplink channel, wherein the at least one message includes at least: a destination queue depth scheduled on a downlink by at least one integrated access and backhaul node distributed unit.

RANDOM ACCESS CHANNEL RESPONSE HANDLING WITH AGGEGRATED COMPONENT CARRIERS

Disclosed herein are methods, computer program instructions and apparatus for performing random access procedures in a wireless communication system. A method includes receiving at a network access node, in different time and frequency resources that are allocated for preamble transmission, and in different ones of a plurality of component carriers, a plurality of random access requests from individual ones of a plurality of user equipments; and transmitting a corresponding plurality of random access responses in a time and frequency resource of a single component carrier. 1. A method for mobile communication using carrier aggregation , the method comprising:transmitting, from a user equipment to a network access node in a carrier aggregation network, a random access preamble in a time and frequency resource allocated for preamble transmission on any one of a plurality of component carriers, the plurality of component carriers comprising a primary component carrier and the plurality of secondary component carriers, the one of the plurality of secondary component carriers being selected by the user equipment;receiving, at the user equipment, a random access response to the random access preamble, the random access response being aggregated with other random access responses in a time and frequency resource of the primary component carrier regardless of on which component carrier among the plurality of component carriers the random access preamble was transmitted,wherein the aggregated random access response comprises responses to a plurality of random access preamble from individual ones of a plurality of user equipments.2. The method of claim 1 , wherein the random access response is received on a physical downlink shared channel.3. The method of claim 1 , wherein the aggregated random access response is for a first type of user equipment and for a second type of user equipment claim 1 , the aggregated random access response comprising at least one random access ...

Signaling of ack/nack resources

A channelization method includes, in response to receiving resource index signaling of a radio resource, and in response to a plurality of wireless communication system cell- specific static and semi-static input parameters, determining a plurality of output parameters and allocating radio resources using the determined output parameters. Also disclosed are computer readable storage mediums for storing programs that operate in accordance with the methods, as well as various devices and apparatus that operate in accordance with the methods and that include the computer readable storage mediums.

Improved re-transmission capability in semi-persistent transmission

Security solution for integrating a WiFi radio interface in LTE access network

A method for security for inter-RAT carrier aggregation is disclosed. The method includes encrypting a message using an encryption technique for a first RAT. The method also includes sending, to a UE, at least a portion of the encrypted message using a different, second RAT. Sending using the second RAT does not further encrypt the at least a portion of the encrypted message. The method further includes receiving the at least a portion of the message encrypted using the first RAT protocol. Receiving uses the second, different RAT. The method also includes decrypting the at least a portion of the message using the first RAT protocol. Apparatus and computer readable media are also described.

RACH preamble response with flexible UL allocation

A method for allocating resources between a mobile communication device and a network access node is described. The method includes sending a random access preamble message to the network access node. Receiving a random access response message which includes a response to the random access preamble message is also included in the method. The response includes UL resource allocation information for scheduling an UL transmission. The UL resource allocation information includes information identifying one or more individual time subframes allocated for the UL transmission. The method also includes sending the UL transmission in the identified one or more individual time subframes. Apparatus and computer readable memory are also described.

Improved re-transmission capability in semi-persistent transmission

Improved re-transmission capability in semi-persistent transmission

One or more hybrid automatic repeat request process identifications are configured for scheduling without associated control signaling. A particular HARQ process ID to be assumed for a given subframe is determined based on at least one of: a) system frame number; b) number of hybrid automatic repeat request processes that are allocated for semi-persistent scheduling; and c) periodicity for semi-persistent scheduling. In various embodiments: a) is broadcast and b) and c) are sent via RRC signaling; and the assumed particular HARQ process ID is determined as a function of [Current TTI/SP_Period] mod Num_SP_HARQ:wherein Current TTI is a number for the given subframe derived from the system frame number and the term [Current TTI/SP_Period] is rounded to an integer prior to the modulo operation; SP_Period is the periodicity of the semi-persistent scheduling; and Num_SP_HARQ is the number of hybrid automatic repeat request processes that are allocated for semi-persistent scheduling.

Apparatus, method and computer program product providing semi-dynamic persistent allocation

A network element sets up a connection with an individual user equipment UE, provides an indicator that informs that a particular resource allocation to the individual user equipment is persistent, and sends resource allocations to a plurality of user equipments that includes the particular resource allocation to the individual user equipment. The indication can be implicit in the position of the particular resource allocation within the plurality of resource allocations as arranged during the connection setup, or it may be explicit with the resource allocation such as from a bit stolen from the CRC field. The persistent allocation can be terminated in multiple ways, including overwriting with a new persistent allocation, sending an end bit or no data, or sending an improper CRC field which is arranged by an absence of both a NACK from the UE and a re-transmission from the network as a terminating condition.

Improved re-transmission capability in semi-persistent transmission

One or more hybrid automatic repeat request process identifications are configured for scheduling without associated control signaling. A particular HARQ process ID to be assumed for a given subframe is determined based on at least one of: a) system frame number; b) number of hybrid automatic repeat request processes that are allocated for semi-persistent scheduling; and c) periodicity for semi-persistent scheduling. In various embodiments: a) is broadcast and b) and c) are sent via RRC signaling; and the assumed particular HARQ process ID is determined as a function of [Current TTI/SP_Period] mod Num_SP_HARQ:wherein Current TTI is a number for the given subframe derived from the system frame number and the term [Current TTI/SP_Period] is rounded to an integer prior to the modulo operation; SP_Period is the periodicity of the semi-persistent scheduling; and Num_SP_HARQ is the number of hybrid automatic repeat request processes that are allocated for semi-persistent scheduling.

Feedback For Inter-Radio Access Technology Carrier Aggregation

A method includes simultaneously receiving a first communication using a first radio access technology and a second communication using a second radio access technology, and using only the first radio access technology, transmitting first feedback information for the first communication and second feedback information for the second communication to a network device that performed the first communication. A method includes, using a first radio access technology, receiving first feedback information for a first communication that used the first radio access technology and second feedback information for a second communication that used a second radio access technology. The method also includes, using the first feedback information in association with a subsequent communication using the first radio access technology, and communicating the second feedback information to a network entity that performed the second communication. Program products and apparatus are also disclosed.

Re-transmission capability in semi-persistent transmission

One or more hybrid automatic repeat request process identifications are configured for scheduling without associated control signaling. A particular HARQ process ID to be assumed for a given subframe is determined based on at least one of: a) system frame number; b) number of hybrid automatic repeat request processes that are allocated for semi-persistent scheduling; and c) periodicity for semi-persistent scheduling. In various embodiments: a) is broadcast and b) and c) are sent via RRC signaling; and the assumed particular HARQ process ID is determined as a function of [Current TTI/SP_Period] mod Num_SP_HARQ:wherein Current TTI is a number for the given subframe derived from the system frame number and the term [Current TTI/SP_Period] is rounded to an integer prior to the modulo operation; SP_Period is the periodicity of the semi-persistent scheduling; and Num_SP_HARQ is the number of hybrid automatic repeat request processes that are allocated for semi-persistent scheduling.

Signaling part of semi-persistent configuration via downlink control channel

A method includes receiving a first control information from a network access node, the first control information comprising a plurality of fields defining control information elements that are relevant to a resource allocation; receiving a second control information from the network access node, the second control information comprising a plurality of fields defining control information elements that are relevant to the resource allocation; and declaring the resource allocation to be a persistent resource allocation if at least one of the plurality of fields of the second control information is the same as one of the plurality of fields of the first control information. Also disclosed are computer programs and apparatus for carrying out the method, as well as a network access node configured to compose first control information and second control information for expressing resource allocations.

Signaling of ack/nack resources

There is provided a method by a user equipment apparatus comprising: in response to receiving resource index signaling of a radio resource, and in response to a plurality of wireless communication system static and semi-static cell-specific input parameters, determining a plurality of output parameters based on the received resource index signaling and the static and semi-static cell-specific input parameters; and allocating uplink radio resources from a plurality of implicit resources for negative acknowledgement or acknowledgement using the determined plurality of output parameters.

Signaling of ack/nack resources

There is provided a method by a user equipment apparatus comprising: in response to receiving resource index signaling of a radio resource, and in response to a plurality of wireless communication system static and semi-static cell-specific input parameters, determining a plurality of output parameters based on the received resource index signaling and the static and semi-static cell-specific input parameters; and allocating uplink radio resources from a plurality of implicit resources for negative acknowledgement or acknowledgement using the determined plurality of output parameters.

Random access channel response handling with aggregated component carriers

Disclosed herein are methods, computer program instructions and apparatus for performing random access procedures in a wireless communication system. A method includes receiving at a network access node, in different time and frequency resources that are allocated for preamble transmission, and in different ones of a plurality of component carriers, a plurality of random access requests from individual ones of a plurality of user equipments; and transmitting a corresponding plurality of random access responses in a time and frequency resource of a single component carrier.

Random access channel response handling with aggegrated component carriers

Disclosed herein are methods, computer program instructions and apparatus for performing random access procedures in a wireless communication system. A method includes receiving at a network access node, in different time and frequency resources that are allocated for preamble transmission, and in different ones of a plurality of component carriers, a plurality of random access requests from individual ones of a plurality of user equipments; and transmitting a corresponding plurality of random access responses in a time and frequency resource of a single component carrier.