Abstract: A first channel for carrying Layer 2 messages carries data that will not be retransmitted and for which decoding-related information need not be retained by the receiving node in the event of an unsuccessful decoding of the data, while a second channel carries data that will be retransmitted in the event that a negative acknowledgement is received by the transmitting node. In an example method, first and second subsets of Layer 2 messages are received on first and second physical data channels, respectively. Decoding-related information for unsuccessfully decoded messages in the first subset is retained for use with subsequent retransmissions, while decoding-related information for unsuccessfully decoded messages in the second subset is discarded without waiting for retransmissions. Acknowledgements or negative acknowledgements are sent for messages in the first subset, but may or may not be sent for messages in the second subset, in various embodiments.

Abstract: A cellular network supports radio communication based on a first configuration which organizes a time-frequency space in first resource elements and radio communication based on a second configuration which organizes the time-frequency space in second resource elements and assigns at least one of the second resource elements to a utilization which is in conflict with the radio communication based on the first configuration. A node of the cellular network sends an indication to a communication device. The indication comprises time domain and/or frequency domain information for defining a pattern comprising at least one of the first resource elements which is to be disregarded by the communication device when performing radio communication with the cellular network based on the first configuration and/or the second configuration.

Abstract: The present disclosure introduces a method implemented at a user equipment. The method includes: determining, within a physical downlink control channel, one or more bits of a downlink control information that indicates a corresponding physical downlink shared channel carrying a remaining minimum system information or other system information. A user equipment and a corresponding network node are also introduced.

Abstract: A method is disclosed for a centralized unit (CU) of a wireless communication network, wherein the CU is associated with each of one or more remote units (RU) of the wireless communication network via a respective communication interface. The CU is adapted to operate in one of a plurality of modes including at least a normal operation mode and a power saving operation mode, and the normal operation mode defines a plurality of functions to be performed by the CU. The method comprises (when the CU is in the normal operation mode) determining that a traffic load associated with the one or more RU fulfills a power saving operation criterion, configuring—via the respective communication interface—each of the RU for autonomous operation, whereby each of the RU is configured to execute at least one of the plurality of functions, and transferring from the normal operation mode to the power saving operation mode.

Abstract: A method for requesting system information. The method comprises transmitting a request for at least one system information block group, each of which comprises one or more system information blocks, from a user terminal to a network node. The one or more system information blocks is/are grouped according to a feature of the one or more system information blocks. The method may further comprise receiving one or more system information block groups from the network node. The one or more system information block groups may comprise the at least one system information block group.

Abstract: A solution for providing differentiated positioning services in a wireless communication system is provided. For example, a method to be performed by a wireless device is provided, which includes requesting a high accuracy positioning information from the network, e.g. from a network node. The method further includes obtaining information from the network in response to the request, which is valid for a predefined period of time, and which enables the wireless device to obtain the high accuracy positioning information during the predefined period of time. The method further includes performing positioning or assisting performance of positioning based on the obtained high accuracy positioning information.

Abstract: An antenna arrangement (300) comprising a body (301) comprising a plurality of antenna devices (315), the antenna arrangement being characterized in that the body (301) having a flexible structure and an elongated shape and wherein the antennas are arranged in a non-orthogonal co-polarized manner.

Abstract: A method performed by a network node for selecting a System Information Area Identity, SI Area ID, for a first cell in a wireless communications network. The network node obtains (202) information about SI configurations of one or more respective cells in a set of cells relevant to the first cell. The network node determines (203) a set of candidate SI Area IDs for the first cell. The network node then calculates (204) a value of a utility function for each respective SI Area ID candidate in the set of candidate SI Area IDs based on the obtained information about the SI configurations of the one or more respective cells in the set of cells relevant to the first cell. The network node then selects (205) an SI Area ID for the first cell from the set of candidate SI Area IDs based on the calculated utility function values, which selected SI Area ID is for configuration of the first cell.

Abstract: Embodiments herein relate to a first radio network node for handling communication of a wireless device in a wireless communication network, wherein the first radio network node provides radio coverage over a first service area using a first reference signal, which first reference signal is for identifying the first service area in the wireless communication network. The first radio network node changes one or more antenna parameters, corresponding to one or more antenna ports used for an active mode transmission for the wireless device, independently of one or more other antenna parameters corresponding to one or more other antenna ports used for an idle mode transmission within the first service area. The first radio network node further uses the one or more antenna ports for active mode transmissions for the wireless device and/or the one or more other antenna ports for idle mode transmissions within the first service area.

Abstract: A network node provisions multi-cell System Information (SI) for a serving cell serving a wireless device and some number of second cells by dividing the multi-cell System Information Block (SIB) into multiple SIB instances. At least one of the SIB instances comprises the SIB content for the serving cell, and each remaining SIB instance comprises the SIB content for the cell(s) associated with that SIB instance, where the SIB content for at least one of the SIB instances is compressed. In one embodiment, another of the SIB instances comprises SIB content for one or more of the second cells, which is subsequently compressed before being provided to the wireless device. Each SIB instance is then provided to a wireless device via a corresponding downlink communication channel.

Abstract: A method, network device and terminal device for providing remaining minimum system information (RMSI) in a wireless network. A method comprises determining whether a SS/PBCH block in the SS burst set configures the RMSI. In response to that the SS/PBCH block configures the RMSI, transmitting one or more repeated RMSI within a first periodicity.

Abstract: There is provided mechanisms for for providing location information in a communications network. A method is performed by a first device. The first device supports positioning of other devices in the communications network. The method comprises acquiring positioning reference signal configuration from a radio network node in the communications network. The method comprises acquiring location information from a local positioning entity. The method comprises providing the location information to at least one of a radio network node and a second device in the communications network. The method comprises transmitting a positioning reference signal according to the positioning reference signal configuration.

Abstract: There is provided provision of timing information of a first timing information source using timing information of a second timing information source to a wireless device. A network node determines that second timing information from the second timing information source is available and that timing information from the first timing information source is derivable from the second timing information. The network node instructs the wireless device to use the second timing information as a source for deriving first timing information of the first timing information source.

Abstract: In one aspect of this disclosure, a transceiver obtains and transmits a CSI status indicator. In one example, the CSI status indicator indicates that previously reported CSI is outdated and/or that a new CSI report is available at the transceiver. In some embodiments, the transceiver generates or transmits the CSI status indicator according to a particular configuration, which may be set by a supporting wireless communication network. The configuration may include criteria on when to transmit the CSI status indicator, such as configuration criteria indicating that the transceiver should transmit the CSI status indicator responsive to completing its determination of a full-dimension beamforming matrix to be used for controlling beamforming towards the transceiver. The transceiver comprises, for example, a wireless device operating within a wireless communication network and the CSI status indicator corresponds to the status of downlink CSI.

Abstract: A method of operating a distributed MIMO system is disclosed. The distributed MIMO system is configured to serve a plurality of wireless communication devices (u1, . . . , uN). The distributed MIMO system comprises a number of access points (A1, . . . , AK), each comprising a time circuit (180) configured to keep track of a local time of the access point (A1, . . . , AK). The method comprises performing (210) an intra-group synchronization procedure for a group (G1) of at least three access points (A1-A3). The intra-group synchronization procedure comprises, for each access point (Ai) in the group (G1), transmitting (Ti), from that access point (Ai), a synchronization signal and obtaining (Oi) a transmission time indicator indicating a transmission time of that synchronization signal in the local time of that access point (Ai).

Abstract: A receiver apparatus receives a terminal-specific demodulation reference signal having a rank k and estimates an effective multi-layer channel response, using the received terminal-specific demodulation reference signal. The receiver demodulates first data symbols from first time-frequency resource elements, using the estimate of the effective multi-layer channel response and using a first symbols-to-virtual-antenna mapping matrix M to obtain nc modulation symbols from each of the first time-frequency resource elements, wherein nc>1 and wherein the first symbol-to-transmit-layer mapping matrix M has dimensions k by nc. The first data symbols are decoded to obtain downlink control information assigning second time-frequency resource elements to the receiver.

Abstract: Methods, network nodes (300, 304) of a radio network and a wireless device (302), for controlling operation of the wireless device (302) accessing the radio network. A signalling network node (300) obtains (3:2) an access parameter configuration. The access parameter configuration is one out of a compressed set of prodefined access parameter configurations where different synchronization signals are associated with different access parameter configurations according to a predefined mapping such that a range of different synchronization signals are jointly mapped to an access parameter in the compressed set of predefined access parameter configurations. The signalling network node (300) further obtains (3:2) and signals (3:3) to the wireless device (302) a synchronization signal that is associated with the access parameter configuration according to said prodefined mapping.

Abstract: A method in a serving radio base station (310, 510, 720) of a first radio access network, serving a wireless radio device (390, 590, 790), comprising or initiating the steps of:—receiving a measurement report, wherein the measurement report is based on a reference signal received by the wireless radio device (390, 590, 790) from a radio base station (321, 521, 711) in a further radio access network;—sending an identification request referring to the radio base station (321, 521, 711) in the further radio access network to at least one neighbor radio base station (311, 312, 320, 330, 522, 512, 530, 721, 722, 730) of the serving radio base station (310, 510, 720);—establishing a neighbor relation using the information about the identification of the radio base station (321, 521, 711) in the further radio access network, based on received identification information.

Abstract: A cellular network supports radio communication based on a first configuration which organizes a time-frequency space in first resource elements and radio communication based on a second configuration which organizes the time-frequency space in second resource elements and assigns at least one of the second resource elements to a utilization which is in conflict with the radio communication based on the first configuration. A node of the cellular network sends an indication to a communication device. The indication comprises time domain and/or frequency domain information for defining a pattern comprising at least one of the first resource elements which is to be disregarded by the communication device when performing radio communication with the cellular network based on the first configuration and/or the second configuration.

Abstract: Method performed by a first communication device (201) for adapting a pre-coder used by a second communication device (202) to transmit radio signals using beamforming to a third communication device (203). The first communication device (201), the second communication device (202), and the third communication device (203) operate in a wireless communications network (200). The first communication device (201) adapts (301), over a single time period of transmission of the radio signals, the pre-coder used by the second communication device (202) to transmit the radio signals to the third communication device (203) using beamforming. The adapting (301) is based on a change, over the single time period, in a state of a channel used to transmit the radio signals. The state is measured by the second communication device (202).