Abstract: Embodiments include methods for a user equipment (UE) to advertise UE capabilities to a network node in a radio access network. Such methods include transmitting to the network node one or more BandCombination elements. Each BandCombination element includes: a list of frequency bands in which the UE can concurrently transmit and/or receive information, and a FeatureSetCombination element that identifies features supported by the UE within each frequency band of the list. Such methods include receiving from the network node a configuration including: identification of one or more frequency bands from the list included in a particular one of the BandCombination elements, and for each identified frequency band, configuration of one or more features identified by the FeatureSetCombination element included in the particular BandCombination element. Other embodiments include complementary methods for a network node, as well as UEs and network nodes configured to perform such methods.

Abstract: Embodiments disclosed herein provide methods and apparatus for requesting system information in a wireless communications network. The method comprises in a user equipment for a wireless network receiving, from a base station of the wireless network, a first portion of system information comprising an indication of a second portion of system information which is available upon request; and transmitting, to the base station, a first request requesting that the second portion of system information be transmitted to the user equipment. The method further comprises responsive to a determination that the requested second portion of system information has not been received successfully by the user equipment, transmitting, to the base station, a second request for the second portion of system information.

Abstract: According to some embodiments, a method of signaling device capabilities for use in a wireless device comprises compiling frequency band combinations supported by the wireless device. The method further comprises compiling a set of device capabilities supported by the wireless device and assembling a capability message. The capability message includes: the frequency band combinations; combinations of the device capabilities supported by the wireless device; and for each of the one or more frequency band combinations, the capability message includes a first indication of one or more device capabilities supported by the frequency band combination. The first indication of the device capabilities supported by the frequency band combination comprises, for each band of the plurality of frequency bands, an indication of one of the one or more combinations of the device capabilities supported by the band when used in combination with the other bands in the frequency band combination.

Abstract: Among other things, the method and apparatus examples herein provide a solution to the problems that arise regarding the need for a wireless device to achieve source synchronization in a beam-based system, where the wireless communication network does not define “cells” for connected-mode wireless devices. The problems relate to how a wireless device can re-synchronize with its source access node in a beam-based system that mainly relies on self-contained transmissions from transmission points in the network. As one example advantage, the contemplated methods and apparatus enable wireless devices to perform measurements to support mobility procedures even when no data transmissions are scheduled.

Abstract: A method for use in a cellular communications system in which system traffic can be exchanged between transceivers comprises receiving traffic from a second transceiver at a first transceiver. The traffic includes data units that are each associated with an identifier. The data units are also divided into segments. The method additionally includes sending status information from the first transceiver to the second transceiver. The status information pertains to one or more data units transmitted by the second transceiver. Additionally, sending the status information includes, for non-received and partially received data units, sending information indicating the data units were non-received or partially received and, for partially received data units, sending information indicating which parts of the data units were not received.

Abstract: Coverage of a power-limited mobile terminal is enhanced by sending information relating to a single Hybrid Automatic Repeat Request (HARQ) process from the mobile terminal to a base station using several transmission time intervals.

Abstract: Embodiments include methods for a user equipment (UE) to advertise capabilities to a network node in a radio access network. Embodiments include transmitting, to the network node, information describing a plurality of feature sets supported by the UE. The information can include one or more InitialFeatureLists and one or more ExtensionFeatureLists, with each each ExtensionFeatureList being associated with a particular InitialFeatureList. Embodiments also include transmitting, to the network node, one or more BandCombination elements, each including a list of frequency bands in which the UE is concurrently operable and a FeatureSetCombination element identifying features supported by the UE within each frequency band included in the list. Some embodiments can also include receiving, from the network node, a configuration (e.g., for dual connectivity and/or carrier aggregation) based on the information describing a plurality of feature sets and the BandCombination elements.

Abstract: A method of operating a wireless device may be provided. A wireless device may receive a release message from a network node of a radio access network. The release message may include an identification of a redirected carrier. In response to the release message omitting synchronization block related parameters for the redirected carrier, the wireless device may check in measurement information configured for the wireless device for the synchronization block related parameters for the redirected carrier; and may perform synchronization signal measurements for the redirected carrier using the synchronization block related parameters in the measurement information.

Abstract: Among other things, the method and apparatus examples herein provide a solution to the problems that arise regarding the need for a wireless device to achieve source synchronization in a beam-based system, where the wireless communication network does not define “cells” for connected-mode wireless devices. The problems relate to how a wireless device can re-synchronize with its source access node in a beam-based system that mainly relies on self-contained transmissions from transmission points in the network. As one example advantage, the contemplated methods and apparatus enable wireless devices to perform measurements to support mobility procedures even when no data transmissions are scheduled.

Abstract: Coverage of a power-limited mobile terminal is enhanced by sending information relating to a single Hybrid Automatic Repeat Request (HARQ) process from the mobile terminal to a base station using several transmission time intervals.

Abstract: The present invention relates to a method in a cellular communication system, for avoiding errors in a HARQ process, wherein an NDI flag is used both for indicating either semi-persistent scheduling, SPS, activation or SPS retransmissions, and also for indicating, by toggling of the flag, a new transmission in dynamic scheduling mode. The method comprises the steps of receiving, in a scheduling message, an indication that dynamically scheduled transmission will take place; if a semi-persistent resource has occurred for the same HARQ process since a previously received indication for dynamically scheduled transmission, then considering the NDI flag to be toggled regardless of the value of the NDI flag. Thus, if the condition is fulfilled, a UE will always regard the NDI flag as indicating or requesting a new data transmission.

Abstract: According to some embodiments, a method of signaling device capabilities for use in a wireless device comprises compiling frequency band combinations supported by the wireless device. The method further comprises compiling a set of device capabilities supported by the wireless device and assembling a capability message. The capability message includes: the frequency band combinations; combinations of the device capabilities supported by the wireless device; and for each of the one or more frequency band combinations, the capability message includes a first indication of one or more device capabilities supported by the frequency band combination. The first indication of the device capabilities supported by the frequency band combination comprises, for each band of the plurality of frequency bands, an indication of one of the one or more combinations of the device capabilities supported by the band when used in combination with the other bands in the frequency band combination.

Abstract: Methods of operation of a wireless device are provided. In particular, Media Access Control (MAC) protocol aspects are disclosed relating to Licensed Assisted Access (LAA) cells and, more generally, to cells of a cellular communications network operating in an unlicensed frequency spectrum. According to one aspect, a method of operation of a wireless device comprises transmitting an Uplink (UL) transmission on a cell for a corresponding UL Hybrid Automatic Repeat Request (HARQ) process, the cell operating in an unlicensed frequency spectrum, and setting a locally maintained status for the UL HARQ process to Acknowledgement (ACK) based on an assumption that the UL transmission was successful.

Abstract: Methods, systems and network devices for operating a network node to provide dual connectivity in a handover of a user equipment, UE, in a new radio telecommunications system are provided. Methods include sending, from the network node and to a target secondary node, an addition request message to allocate resources for the UE in the handover. Operations include receiving an addition request acknowledgement message from the target secondary node. The addition request acknowledgement message includes a context indication regarding a full radio resource control, RRC, context or a delta RRC context. The delta RRC context includes data that is updated relative to data in a current UE context. Operations include determining, based on context indication, a type of RRC context to provide to the target secondary node.

Abstract: A system (300) of a wireless communication network (100) comprising a first network node (110) arranged for wireless communication with a wireless communication device (130). A message is triggered to be sent from the first network node (110) to and received by the wireless communication device (130). The message comprises instructions related to measurements by the wireless communication device (130) on a signal from a network node (110; 120) of the wireless communication network (100). The instructions comprising a first measurement condition and a second measurement condition and that both the first measurement condition and the second measurement condition have to be fulfilled for the wireless communication device (130) to report at least one of the measurements to the wireless communication network (100).

Abstract: A method performed in a network node for configuring UE with dynamic spectrum sharing between a first RAT and a second RAT in a wireless communications system is disclosed. The network node configures an initial bandwidth part, BWP, for a UE, spanning across a dedicated spectrum for the first RAT and a shared spectrum between the first and second RATs, wherein synchronization signals of the first RAT are configured in the dedicated spectrum, and at least some other signals of the first RAT are configured in both dedicated and shared spectrum. The first RAT is NR and the second RAT is LTE.

Abstract: Methods of operation of a wireless device are provided. In particular, Media Access Control (MAC) protocol aspects are disclosed relating to Licensed Assisted Access (LAA) cells and, more generally, to cells of a cellular communications network operating in an unlicensed frequency spectrum. According to one aspect, a method of operation of a wireless device comprises transmitting an Uplink (UL) transmission on a cell for a corresponding UL Hybrid Automatic Repeat Request (HARQ) process, the cell operating in an unlicensed frequency spectrum, and setting a locally maintained status for the UL HARQ process to Acknowledgement (ACK) based on an assumption that the UL transmission was successful.

Abstract: A method and a terminal for acquiring paging information during a set of one or more paging occasions, one paging occasion corresponding to a subframe. In an embodiment, the method determines a first subframe of the set of one or more paging occasions and determines a last subframe of the set of one or more paging occasions. The terminal is required to attempt to acquire the paging information in any subframe between the first subframe and the last subframe of the set of one or more paging occasions.

Abstract: A system (300) of a wireless communication network (100) comprising a first network node (110) arranged for wireless communication with a wireless communication device (130). A message is triggered to be sent from the first network node (110) to and received by the wireless communication device (130). The message comprises instructions related to measurements by the wireless communication device (130) on a signal from a network node (110; 120) of the wireless communication network (100). The instructions comprising a first measurement condition and a second measurement condition and that both the first measurement condition and the second measurement condition have to be fulfilled for the wireless communication device (130) to report at least one of the measurements to the wireless communication network (100).

Abstract: The embodiments herein relate to a method in a user equipment (605) for communicating with a base station (603) in a communications network (600). The user equipment (605) is configured to communicate with the base station (603) according to a selectable of at least two user equipment categories. The user equipment (605) selects one of the at least two user equipment categories if information indicating the one of the user equipment categories is received from the base station (603). The user equipment (605) selects a default of the user equipment categories if no information indicating which of the user equipment categories is received from the base station (603). The user equipment (605) determines a soft buffer size according to the selected user equipment category. The user equipment (605) communicates with the base station (603) according to the selected user equipment category and applying the determined soft buffer size.