Abstract: A method performed by a wireless device, for processing a control channel from a radio network node, is provided. The wireless device and the radio network node operate in a wireless communications network. The method comprises: Monitoring (501) one or multiple search spaces in the control channel from a radio network node 110, which search space comprises candidates, which candidates relate to control channel message candidates that the wireless device will try to decode. Decoding (502) in a priority order any one or more out of: (1) The candidates within a search space out of the one or multiple search spaces, e.g. according to embodiment 1 as described in the detailed description below and (2) the candidates within multiple search spaces, e.g. according to embodiment 2 as described in the detailed description below.

Abstract: A method performed by a radio-network node for handling a data transmission in a number of subframes from the radio-network node to a wireless device in a wireless communication network. The radio-network node transmits data over the number of subframes to the wireless device. Each subframe comprises a control part associated with the data of the subframe. Each respective control part comprises a feedback index indicating a transmission time offset of a feedback message. The feedback message is to comprise a respective feedback indication of the number of subframes to be transmitted simultaneously from the wireless device to the radio-network node in the feedback message.

Abstract: A method performed by a radio-network node for handling a data transmission from the radio-network node to a wireless device in a wireless communication network is provided. The radio-network node transmits (401) data over a number of subframes to the wireless device (10), and a respective control part, associated with the data of each respective subframe, the respective control part comprising a feedback index indicating a transmission time of a feedback indication. The radio-network node receives (402) from the wireless device the feedback indication in the feedback message common for the subframes of the data transmission according to the control parts of the transmitted subframes. The feedback indication indicates feedback for each subframe of the data transmission received and the number of NACKed subframes out of the number of subframes of the data transmission.

Abstract: A wireless device (14) is configured to receive, from network equipment (12), a tracking process base signal (18) using a receiver configuration (16) with tunable beamforming, and transmit a report (20) to the network equipment (12) indicating reception of the tracking process base signal (18). The wireless device (14) is further configured to, responsive to transmitting the report (20), configure the wireless device (14) with a tracking process (26) for the wireless device (14) to track a reference signal (24) by tuning the receiver configuration (16) with which the wireless device (14) received the tracking process base signal (18). The wireless device (14) is also configured to, based on receiving a reference signal (24) identified as being a reference signal (24) to be tracked by the tracking process (26), track the reference signal (24) by tuning beamforming of the receiver configuration (16).

Abstract: A wireless device (14) is configured to receive a reference signal (24) from network equipment (12) using a receiver configuration (16). The receiver configuration (16) uses one or more physical resources at the wireless device (14). The wireless device (14) is also configured to transmit to the network equipment (12) a report (20) indicating that the wireless device (14) received the reference signal (24) using one or more logical resources at the wireless device (14). The one or more logical resources are an abstraction of the one or more physical resources that the receiver configuration (16) uses.

Abstract: Systems and methods for selecting a set of transport format schemes for a cell are provided. In one exemplary embodiment, a method may be performed by a communication device for selecting a transport format scheme. The method may include obtaining a set of transport format schemes available for a cell of a base station. Also, the transport format schemes may be associated with a guard time required in the cell. The guard time may be a time margin required to compensate for the communication device being unsynchronized for transmission to the base station. In addition, the method may include selecting a transport format scheme from the set of transport format schemes available for the cell based on at least one of an amount of data to be transmitted, a size of an allocated resource to be used for the data transmission, and an uplink radio transmission condition.

Abstract: A system and method of Random-Access Response, RAR, messaging when a base station employs narrow beamforming. Multiple RAR messages are successively transmitted from the base station to a User Equipment, UE, before any response to a RAR message is received from the UE. Thus, despite any calibration mismatch between Uplink, UL, and Downlink, DL, beams in the beamformed system, a RAR message is not only received by the UE, but is received over the most-suitable DL beam for that UE. Each RAR message may contain a message-specific scheduling-delay indicator in the UL grant carried in the RAR message to provide an adjustable time delay for the UE's uplink transmission scheduled by the UL grant. Multiple RAR transmissions can schedule a single UL transmission at a specific time instance or different UL transmissions at different time intervals. The UE may report to the base station the best DL RAR transmission detected by the UE.

Abstract: Systems and methods relating to the use of Beam Reference Symbols (BRSs) and BRS Received Power (BRS-RP) reporting for the selection of a beam for transmission to a wireless device from a first Radio Access Network (RAN) operating according to a first Radio-Access Technology (RAT) in a dual connectivity scenario in which control signaling (e.g., BRS-RP reporting) from the wireless device to the first RAN of the first RAT is transmitted via a second RAN of a second RAT. In particular, embodiments are disclosed for resolving timing and/or node ambiguity with respect to BRS-RP reporting.

Abstract: Systems and methods are disclosed for providing efficient downlink Hybrid Automatic Request (HARQ) feedback. In some embodiments, a method of operation of a wireless device in a cellular communications system comprises receiving a downlink control information message comprising a HARQ feedback buffer index and storing a downlink HARQ feedback flag in a position within a HARQ feedback buffer that corresponds to the HARQ feedback buffer index. In this manner, multiple downlink HARQ feedback flags can be stored in the HARQ feedback buffer and subsequently transmitted to a network node in an efficient manner.

Abstract: Systems and methods are disclosed for providing efficient downlink Hybrid Automatic Request (HARQ) feedback. In some embodiments, a method of operation of a wireless device in a cellular communications system comprises receiving downlink control information from a radio access node in a first subframe T. The downlink control information comprises an indication of a HARQ timing offset K. The method further comprises transmitting downlink HARQ feedback to the radio access node in a subframe T+K. In this manner, HARQ feedback can be directly scheduled by the network, which in turn enables efficient HARQ feedback.

Abstract: The invention relates to a method and an arrangement for reducing power consumption of a receiver in a mobile communication network comprising a sender transmitting packet data on a downlink channel to one or more receivers over a radio interface. Inactive time instants and listening time instants are defined according to provided rules. The receiver is arranged to listen for information from the sender during the listening time instants and to sleep during the inactive time instants. Thus, less power will be consumed during the inactive time instants.

Abstract: Techniques according to which HARQ feedback transmitted from a wireless device to a base station includes not only the ACK/NACK status for the corresponding hybrid automatic-repeat-request (HARQ) process, but also certain information that was provided by the network in the last received downlink assignment. An example method, as implemented in a wireless device operating in a wireless communication network, comprises receiving from the wireless communication network, in a first transmission-time interval, a resource-assignment message indicating resources allocated for a data transmission to the wireless device. The example method further comprises transmitting to the wireless communication network, in a second transmission-time interval, feedback information that includes an indication of whether the data transmission was correctly received by the wireless device and further includes one or more mirrored information fields copied from the resource-assignment message.

Abstract: The present disclosure is directed to a method and apparatus for controlling a Hybrid Automatic Repeat Request, HARQ, retransmission round-trip time for transmission in a wireless network. The method comprises to estimate (S41) one or more latency related transmission parameters and to select (S43) one or more of a plurality of predefined HARQ relaxation techniques based on the estimated one or more latency related transmission parameters. Transmission is scheduled (S44) using the selected one or more HARQ relaxation technique.

Abstract: Techniques according to which HARQ feedback transmitted from a wireless device to a base station includes not only the ACK/NACK status for the corresponding hybrid automatic-repeat-request, HARQ, process, but also certain information that was provided by the network in the last received downlink assignment. An example method, as implemented in a wireless device operating in a wireless communication network, comprises receiving (610) from the wireless communication network, in a first transmission-time interval, a resource-assignment message indicating resources allocated for a data transmission to the wireless device. The example method further comprises transmitting (620) to the wireless communication network, in a second transmission-time interval, feedback information that includes an indication of whether the data transmission was correctly received by the wireless device and further includes one or more mirrored information fields copied from the resource-assignment message.

Abstract: A radio communication system and a method for assigning a short-lived Cell Radio Network Temporary Identifier, “CRNTI”, to a first user equipment performing random access to a radio network node are provided. The radio communication system registers the first user equipment as connected to the radio network node. A message for synchronizing the radio network node and the first user equipment with respect to the first time period is transferred. After the first time period has elapsed, the radio communication system maintains the first user equipment connected to the radio network node, and allows the short-lived CRNTI to be assigned to a second user equipment.

Abstract: The invention relates to a method and an arrangement for reducing power consumption of a receiver in a mobile communication network comprising a sender transmitting packet data on a downlink channel to one or more receivers over a radio interface. Inactive time instants and listening time instants are defined according to provided rules. The receiver is arranged to listen for information from the sender during the listening time instants and to sleep during the inactive time instants. Thus, less power will be consumed during the inactive time instants.

Abstract: A method (100), performed in a User Equipment (UE), is disclosed. The method is for facilitating the establishing of a UE processing configuration for the selective enhancement of radio signals received or transmitted by the UE. The method comprises receiving from a Transmission Point (TP) of a wireless network an indication that an identified reference signal is usable by the UE for establishing a UE processing configuration (110), and receiving the identified reference signal from a Transmission Point of the wireless network.

Abstract: Disclosed are improved retransmission schemes. In one embodiment, a retransmission method includes: receiving, at a protocol layer in a receiver, a data block transmitted from a protocol layer in a transmitter; determining that it is not possible to decode the data block; determining that it is not probable that the data block can be decoded; signaling, from the protocol layer in the receiver, to the protocol layer in the transmitter first feedback information indicating that the data block was received; and signaling, from the protocol layer in the receiver, to the protocol layer in the transmitter second feedback information including information related to the reception time of the data block and indicating that the data block is aborted.

Abstract: Method in a network node of mapping one or more messages onto transmission resource for transmitting to a wireless device. The one or more messages are processed by the network node. The network node and the wireless device are adapted to be comprised in a wireless communications network. The network node maps the one or more processed messages onto the transmission resource. This is performed according to indexing information comprised in the one or more messages, and to a precalculated mapping table. The precalculated mapping table is calculated prior to obtaining the one or more messages to be mapped. The network node, the communications network, a second network node, a core network node in the wireless communications network, and methods therein are described.

Abstract: A system and method of Random-Access Response, RAR, messaging when a base station employs narrow beamforming. Multiple RAR messages are successively transmitted from the base station to a User Equipment, UE, before any response to a RAR message is received from the UE. Thus, despite any calibration mismatch between Uplink, UL, and Downlink, DL, beams in the beamformed system, a RAR message is not only received by the UE, but is received over the most-suitable DL beam for that UE. Each RAR message may contain a message-specific scheduling-delay indicator in the UL grant carried in the RAR message to provide an adjustable time delay for the UE's uplink transmission scheduled by the UL grant. Multiple RAR transmissions can schedule a single UL transmission at a specific time instance or different UL transmissions at different time intervals. The UE may report to the base station the best DL RAR transmission detected by the UE.