Abstract: A method in a network node is disclosed. The method comprises determining a number of simultaneous device-to-device transmissions by a plurality of device-to-device capable wireless devices, comparing the determined number of simultaneous device-to-device transmissions to one or more threshold values, and determining a power control method from among a plurality of power control methods based at least in part on the comparison of the determined number of simultaneous device-to-device transmissions by the plurality of device-to-device capable wireless devices to the one or more threshold values.

Abstract: According to some embodiments, a first network node manages a transmit power of a first wireless device capable of device-to-device, D2D, communication. The first network node receives at least one measurement report from at least one of the first wireless device and a second wireless device in D2D communication with the first wireless device. The measurement report indicates a received signal measurement or path loss with respect to the other of the first wireless device and the second wireless device and/or a received signal measurement or path loss with respect to a victim node. The first network node sends the first wireless device instructions to make an adjustment of the transmit power that the first wireless device uses in the D2D communication. The adjustment is at least partially based on the received measurement report.

Abstract: According to some embodiments, a method in a wireless device comprises determining the wireless device is capable of narrow bandwidth operation. The wireless device obtains a parameter associated with a measurement pattern. The measurement pattern comprises: a first time period and a second time period; a first type of radio measurements to be performed during the first time period on radio signals transmitted in a first set of physical resource channels; and a second type of radio measurements to be performed during the second time period on radio signals transmitted in a second set of physical resource channels. The wireless device determines a measurement pattern using the obtained parameter, and performs radio measurements of the first type during the first time period.

Abstract: The disclosure provides a method and network entity for scheduling a device-do-device (D2D) wireless device using resource blocks (RBs) of active cellular wireless devices in a wireless network. The method includes determining a power allocation for each of the RBs based on achieving a target rate for the D2D wireless device and the active cellular wireless devices, and scheduling the D2D wireless device based on the determined power allocation.

Abstract: A method, in a network node (20, 800) serving K scheduled user equipments (UEs), of selecting a subset of antennas from a plurality of available antennas (815) for use in communicating with the K scheduled UEs (50d) while reducing interference to Kv victim UEs (50v), each of the antennas characterized by a channel vector describing gains between the antenna on the one hand and the scheduled and victim UEs on the other hand. The method includes repeating the following steps until at least K+Kv antennas have been selected: for each antenna of a plurality of unselected antennas of the plurality of antennas, generating a composite matrix of channel gains between selected ones of the antennas including the antenna on one hand and the scheduled and victim UEs on the other hand (204); and selecting one of the plurality of unselected antennas that minimizes a function of antenna gains from the selected ones of the antennas to the scheduled and victim UEs (206).

Abstract: The present disclosure relates to a method and system in a wireless network for radar detection in certain bands e.g. bands normally used for unlicensed access. In one broad aspect, a method is provided for a network node configured to control wireless transmissions in a frequency band also used for radar transmissions. In that method, the network node controls the wireless transmissions using a transmission cycle pattern defined by a transmit on time and a transmit off time. The method includes after a wireless transmission during the transmit-on time of a first transmission cycle, detecting, during the transmit-off time of the first transmission cycle, at least one radar pulse in the frequency band and extending the transmit off time of a second transmission cycle based on the at least one radar pulse detected.

Abstract: Methods, devices and systems for determining positions of user equipments (UEs) based on uplink position signals are described. Cooperating base stations measure received positioning signals and report measurements to serving base stations. Cooperating base stations can also adapt resource allocation to mitigate interference on the uplink to positioning signals. Cooperation between base stations can be coordinated via inter-base station links, e.g., X2 interfaces in LTE systems.

Abstract: A method is disclosed that includes configuring (202) a UE in a cell to operate with a center frequency of a radio frequency, RF, reception band-width of the UE receiver is different than the center frequency of an RF transmission bandwidth of the cell; puncturing (204) a subcarrier in a downlink signal that, when transmitted over the RF transmission bandwidth corresponds to the center frequency of the UE RF reception band-width to provide a punctured downlink signal; and transmitting (206) the punctured downlink signal to the UE through a transmitter circuit operating within the UE RF reception bandwidth. Related UEs, methods of operating a UE, and network nodes are also disclosed.

Abstract: A method and network node for configuring a device-to-device (D2D) pair and a cellular wireless device, the cellular wireless device configured to have a direct link with a serving network device of a network cell in which the cellular wireless device resides. The method includes receiving Channel State Information (CSI) data for the D2D pair, a cellular wireless device, and at least one neighbor interference level, determining feasibility conditions for pairing the D2D pair and the cellular wireless device transmissions, determining a power allocation for the pairing of the D2D pair and cellular wireless device transmissions, the power allocation being based on a sum rate of the D2D pair and cellular wireless device transmissions, and configuring the D2D pair and cellular wireless device based at least in part on the determined power allocation.

Abstract: According to some embodiments, a method in a wireless device comprises determining the wireless device is capable of narrow bandwidth operation. The wireless device obtains a parameter associated with a measurement pattern The measurement pattern comprises: a first time period and a second time period; a first type of radio measurements to be performed during the first time period on radio signals transmitted in a first set of physical resource channels; and a second type of radio measurements to be performed during the second time period on radio signals transmitted in a second set of physical resource channels. The wireless device determines a measurement pattern using the obtained parameter, and performs radio measurements of the first type during the first time period.

Abstract: The present disclosure relates to a method and system in a wireless network for radar detection in certain bands e.g. bands normally used for unlicensed access. In one broad aspect, a method is provided for a network node configured to control wireless transmissions in a frequency band also used for radar transmissions. In that method, the network node controls the wireless transmissions using a transmission cycle pattern defined by a transmit on time and a transmit off time. The method includes after a wireless transmission during the transmit-on time of a first transmission cycle, detecting, during the transmit-off time of the first transmission cycle, at least one radar pulse in the frequency band and extending the transmit off time of a second transmission cycle based on the at least one radar pulse detected.

Abstract: There is provided improved backhaul communication in a wireless network. The wireless network comprises at least one coordinating network node. The wireless network further comprises at least one cooperative network node. A method performed by the cooperating network node comprises receiving an uplink signal from a wireless device, the uplink signal comprising data. The method further comprises compressively sampling the data so as to obtain compressive measurements of the data. The method further comprises transmitting the compressively sampled data to the coordinating network node. There is also provided a method performed in the coordinating network node. There is further provided a cooperating network node and a coordinating network node arranged to perform the methods and computer programs and computer program products comprising computer program code for implementing the method.

Abstract: The present disclosure relates to a method and system in a wireless network for radar detection in certain bands e.g. bands normally used for unlicensed access. In one broad aspect, a method is provided for a network node configured to control wireless transmissions in a frequency band also used for radar transmissions. In that method, the network node controls the wireless transmissions using a transmission cycle pattern defined by a transmit on time and a transmit off time. The method includes after a wireless transmission during the transmit-on time of a first transmission cycle, detecting, during the transmit-off time of the first transmission cycle, at least one radar pulse in the frequency band and extending the transmit off time of a second transmission cycle based on the at least one radar pulse detected.

Abstract: According to some embodiments, a first network node manages a transmit power of a first wireless device capable of device-to-device, D2D, communication. The first network node receives at least one measurement report from at least one of the first wireless device and a second wireless device in D2D communication with the first wireless device. The measurement report indicates a received signal measurement or path loss with respect to the other of the first wireless device and the second wireless device and/or a received signal measurement or path loss with respect to a victim node. The first network node sends the first wireless device instructions to make an adjustment of the transmit power that the first wireless device uses in the D2D communication. The adjustment is at least partially based on the received measurement report.

Abstract: According to some embodiments, a first network node manages a transmit power of a first wireless device capable of device-to-device, D2D, communication. The first network node receives at least one measurement report from at least one of the first wireless device and a second wireless device in D2D communication with the first wireless device. The measurement report indicates a received signal measurement or path loss with respect to the other of the first wireless device and the second wireless device and/or a received signal measurement or path loss with respect to a victim node. The first network node sends the first wireless device instructions to make an adjustment of the transmit power that the first wireless device uses in the D2D communication. The adjustment is at least partially based on the received measurement report.

Abstract: Various methods, devices and nodes in a wireless system are disclosed for efficiently transferring files (both uploads and downloads) between a wireless device and a network node in a Coordinated Multipoint (CoMP) environment. According to a broad aspect, an upload request message is sent from the wireless device to the cooperating nodes in the CoMP set for uploading the data file to the network node, and based on an upload grant from at least one cooperating node, a plurality of piece messages are sent to the cooperating nodes for transmission to the network node, each piece message containing a particular piece of the data file. In yet another broad aspect, both a coordinating node and non-coordinating nodes in the CoMP set are configured to receive piece messages. Non-coordinating nodes that receive piece messages send acknowledgement messages to the coordinating node indicating which pieces have been received.

Abstract: The embodiments herein relate to a method in a first D2D UE (101) arranged for performing a D2D operation with at least one second D2D UE (101?). The first D2D UE (101) acquires one or more coverage specific parameters for use by the first D2D UE (101) for the D2D operation. The first D2D UE (101) determines the network coverage scenario in which the first D2D UE (101) is operating or is expected to operate. The first D2D UE (101) selects one or more coverage specific parameters belonging to the acquired one or more coverage specific parameters. The first D2D UE (101) uses the selected one or more coverage specific parameters for performing the D2D operation in the determined network coverage scenario.

Abstract: According to some embodiments, a method in a wireless communication device includes exchanging, with all wireless devices within a cluster of wireless devices, data to be transmitted to each serving node serving a wireless device within the cluster of wireless devices. The cluster is formed based on one or more metrics. The data exchanged with all wireless devices in the cluster is concatenated into a multiplexed data block. A virtual multi-input multi-output (VMIMO) array is formed with the antennas of all wireless devices within the cluster, and the VMIMO array is used to transmit the multiplexed data block.

Abstract: In particular embodiments, a method for determining a beam-forming weight for coordinated multipoint communication with a first network node is performed by a wireless device in a cluster set of wireless devices configured to operate as a virtual device. The method includes receiving from a first network node, via a first channel, a first network RS coded with a first network beamforming weight associated with the cluster set. A second network RS is received from a second network node via the first channel. A device beamforming weight is calculated based on the first network RS received from the first network node and the second network RS received from the second network node. The calculation may be performed during a first iteration and may be independent of any channel information from any other wireless device in the cluster set of the wireless devices operating as a virtual device.

Abstract: There is provided a method and apparatus for transmitting and receiving signals in a frequency band in a wireless communications network. The method comprises determining a frequency separation between a frequency of a transmit signal and a frequency of a receive signal within the frequency band based on at least one of a power of the transmit signal, a number of physical channels associated with the transmit signal, and a number of physical channels associated with the receive signal. The method further comprises transmitting and receiving signals in the frequency band in accordance with the determined frequency separation. The method may be performed by a User Equipment of a Network Node.