Abstract: According to some embodiments, a method in a first wireless device of relaying data from a second wireless device to a wireless communication network comprises: obtaining data transmission pattern information associated with data to be relayed from the second wireless device to the wireless communication network; requesting resources from the wireless communication network according to the data transmission pattern information; receiving an indication of resources from the wireless communication network; receiving the data from the second wireless device; and transmitting the data to the wireless communication network using the indicated resources.

Abstract: In accordance with certain embodiments, there is disclosed herein a method for decoding a received message. The method comprises determining one or more non-reserved group IDs associated with a first wireless device. The method additionally includes participating in a communication session based on a first group ID of the one or more non-reserved group IDs associated with the first wireless device. The method further includes receiving a first message from a second wireless device. The first message comprises a second group ID. The second group ID is not among the one or more non-reserved group IDs associated to with the first wireless device. The method also comprises determining the second group ID is a reserved group ID. The method additional comprises decoding the first message based on the second group ID.

Abstract: A method in a wireless device is disclosed. The method comprises sending a scheduling request to a network node, and receiving, from the network node in response to the scheduling request, a grant of uplink resources. The method further comprises determining whether the granted uplink resources are at least equal to or larger than the resources required for transmission of both a buffer status report (BSR) and a sidelink BSR, and upon determining that the granted uplink resources are at least equal to or larger than the resources required for transmission of both the BSR and the sidelink BSR, communicating the BSR and the sidelink BSR to the network node in a single medium access control (MAC) protocol data unit (PDU).

Abstract: Systems and methods relating to a remote wireless device for a cellular communications network are disclosed. In some embodiments, the remote wireless device is a wireless device that desires to establish a relay connection with a relay wireless device that has relay functionality. The remote wireless device includes a transceiver, a processor, and memory storing instructions executable by the processor whereby the relay wireless device is operable to rank a plurality of candidate relay wireless devices and to report a subset of the plurality of candidate relay wireless devices based on the ranking of the plurality of candidate relay wireless devices to a network node of the cellular communications network via the transceiver.

Abstract: The present disclosure provides a method in a network device. The method comprises: receiving a random access request message from a terminal device; and transmitting to the terminal device a Random Access Response (RAR) message in response to the random access request message. The RAR message has a format dependent on a type of the random access request message.

Abstract: When a node in a cellular communications network is serving a first User Equipment, it obtains information about a second UE that may be used as a relay by the first UE. It obtains information in the event that there is data to be sent to the first UE, and sends a request to a node serving the second UE.

Abstract: A method performed by a communications device 208 for transmitting a message in response to a Random Access Response (RAR) message received from a Radio Network Node (RNN) 206. The RAR message comprises multiple grants. When the message to be transmitted requires resources provided by any one grant out of the multiple grants, the communications device selects one grant out of the multiple grants. When the message to be transmitted requires resources provided by two or more grants out of the multiple grants, the communications device selects the two or more of the grants out of the multiple grants. When the message to be transmitted requires more resources than provided by the multiple grants, the communications device selects one grant out of the multiple grants. The communications device transmits, to the RNN, the message using resources provided by the selected at least one grant out of the multiple grants.

Abstract: The disclosure provides methods and apparatus relating to random access in a wireless communications network. In one aspect, a method in a user equipment comprises: detecting an event triggering a random access procedure; determining an adjustment for a random access parameter as a function of one or more of: a type of the event triggering the random access procedure; and a characteristic of data to be transmitted or received by the UE upon completion of the random access procedure; applying the adjustment to a configured value for the random access parameter to obtain an adjusted value for the random access parameter; and performing the random access procedure with a base station operable in the wireless communications network, using the adjusted value for the random access parameter.

Abstract: The present invention relates to a method in a node of a cellular network for supporting mobility, to a method in a user equipment for supporting mobility to in the cellular network, and to corresponding devices. According to one aspect, a method for supporting mobility in a cellular network is provided. The method runs in a node for the cellular network. According to the method, the node receives from a user equipment, an information of a radio link failure of a radio link between the user equipment and the cellular network and the node receives information related to a mobility of the user equipment. Based on the received information, the node adjusts at least one mobility parameter to increase robustness of mobility. The present invention improves robustness of mobility functions in a cellular network.

Abstract: Systems and methods for generating and decoding messages including header extensions are provided. It can be determined that a header extension is required for signaling a LCID value. A MAC sub-header including an indicator that the LCID value is extended can be generated and transmitted. A received message including a header extension can be decoded appropriately.

Abstract: Embodiments of the present disclosure provide methods and wireless terminal devices that deal with issues relating to resource allocation in sidelink radio connections. One embodiment provides a method in a first wireless terminal device. The method comprises: establishing a sidelink radio connection with a second wireless terminal device; selecting one of a plurality of resource pools for wireless communication over the sidelink radio connection, the plurality of resource pools comprising a first resource pool and a second resource pool, the first resource pool defining a first subset of available physical resources and the second resource pool defining a second subset of available physical resources; and utilizing the selected resource pool for transmitting wireless communications to the second wireless terminal device, or receiving wireless communications from the second wireless terminal device.

Abstract: A method in a wireless device is disclosed. The method comprises receiving one or more resource pool configurations for a particular discovery carrier, the one or more resource pool configurations comprising information indicating one or more of resource elements and subframes that the wireless device should use to monitor for incoming discovery messages and transmit outgoing discovery messages, the received one or more resource pool configurations comprising at least a first resource pool configuration received from a serving network node of the wireless device operating in Time Division Duplex (TDD) mode. The method comprises determining which of the received one or more resource pool configurations that the wireless device should use to monitor for incoming discovery messages and transmit outgoing discovery messages.

Abstract: According to some embodiments, a method of device-to-device (D2D) communication in a wireless communication network comprises a wireless device determining a division of a set of resources allocated for D2D communication into a plurality of regions. Each region of the plurality of regions is associated with a priority level, and the set of resources comprises a plurality of resource pools. Using a priority of the first wireless device and the division of the set of resources, the first wireless device determines one or more resources from the plurality of resource pools for transmission of a communication from the wireless device. The wireless device transmits the communication to another wireless device using the determined one or more resources.

Abstract: Methods and apparatus for improving the implementation or Logical Channel Prioritization (LCP) in advanced wireless communication networks are presented. For instance, in an example method (200) of the present disclosure, a network node (106) (e.g. base station, eNB, etc.) can determine to alter LCP order (10) utilized by a user equipment (UE) (102) to an altered LCP order (12) and can indicate the altered LCP (12) order to the UE (102). Furthermore, in an example method (210) performed by UE (102) in a wireless communication system (100), UE (102) can receive a message (116) indicating an altered LCP order (12) from a network node (106), and in response, can alter an LCP order (10) utilized by the UE (102) to the altered LCP order (12) indicated by the message (116). Further embodiments include corresponding apparatus, computer programs, and computer program products.

Abstract: According to some embodiments, a method of device-to-device (D2D) communication in a wireless communication network comprises a wireless device determining a division of a set of resources allocated for D2D communication into a plurality of regions. Each region of the plurality of regions is associated with a priority level, and the set of resources comprises a plurality of resource pools. Using a priority of the first wireless device and the division of the set of resources, the first wireless device determines one or more resources from the plurality of resource pools for transmission of a communication from the wireless device. The wireless device transmits the communication to another wireless device using the determined one or more resources.

Abstract: Systems and methods for Semi-Persistent Sounding Reference Signal (SP SRS) resource activation or deactivation are disclosed. In some embodiments, a method of operation of a wireless device in a cellular communications network comprises receiving, from a network node, a Medium Access Control (MAC) Control Element (CE). The MAC CE comprises an indication of a SP SRS resource set to be activated or deactivated and information that indicates a spatial relation for the SP SRS resource set to be activated or deactivated. In this manner, a MAC CE for SP SRS resource set activation or deactivation is provided in a manner that gives spatial relation information in an efficient and flexible manner.

Abstract: A radio access network comprises a first radio access node and a second radio access node. On determining that a first UE that is served by the first radio access node should start relaying through a second UE, it is determined whether the second UE is served by the first radio access node. In response to determining that the second UE is served not by the first radio access node but by the second radio access node, a handover is initiated, such that the first and second UEs are served by the same radio access node.

Abstract: A method in a user equipment (110) comprises receiving (604) a grant (305, 405, 505), the grant scheduling one or more dynamically-delayed transmissions (310A-C, 410A-C, 510A-C) for the user equipment. The method comprises in response to receiving the grant, starting (608) a timer associated with dynamically-delayed scheduling, wherein at least one of a start time of the timer and a duration of the timer is configured such that the user equipment is active when an acknowledgement of the one or more dynamically-delayed transmissions is expected to be received by the user equipment.

Abstract: Systems and methods relating to a remote wireless device for a cellular communications network are disclosed. In some embodiments, the remote wireless device is a wireless device that desires to establish a relay connection with a relay wireless device that has relay functionality. The remote wireless device includes a transceiver, a processor, and memory storing instructions executable by the processor whereby the relay wireless device is operable to rank a plurality of candidate relay wireless devices and to report a subset of the plurality of candidate relay wireless devices based on the ranking of the plurality of candidate relay wireless devices to a network node of the cellular communications network via the transceiver.

Abstract: A method in a wireless device is disclosed. The method comprises receiving one or more resource pool configurations for a particular discovery carrier, the one or more resource pool configurations comprising information indicating one or more of resource elements and subframes that the wireless device should use to monitor for incoming discovery messages and transmit outgoing discovery messages, the received one or more resource pool configurations comprising at least a first resource pool configuration received from a serving network node of the wireless device operating in Time Division Duplex (TDD) mode. The method comprises determining which of the received one or more resource pool configurations that the wireless device should use to monitor for incoming discovery messages and transmit outgoing discovery messages.