Abstract: According to an example embodiment, a client device is configured to: obtain a signal sequence configuration defining a plurality of signal sequences, wherein each signal sequence in the plurality of signal sequences corresponds to an uplink transmission power level in a plurality of uplink transmission power levels; transmit the plurality of signal sequences according to the signal sequence configuration to a network node device; receive, from the network node device, an indication about an uplink transmission power level out of the plurality of uplink transmission power levels to be used for uplink transmission; and perform an uplink transmission using the indicated uplink transmission power level to the network node device.

Abstract: Devices, methods and computer programs for adjusting a client device receiver parameter are disclosed. A client device (200) transmits to a network node device (210) a first capability indication indicating at least a low-resolution analog-to-digital converter capability of the client device (200), and a second capability indication indicating whether the client device (200) is capable of receiving signal information associated with low-resolution receiver processing. Based on these, the network node device (210) may determine that adjusting at least one receiver parameter of the client device (200) is needed, generate and transmit network assistance information and signal information to the client device (200) for use in adjusting at least one receiver parameter of the client device (200). The client device (200) may then perform power measurements of the received signal information and adjust receiver parameter(s) of the client device (200) accordingly.

Abstract: There is provided an apparatus comprising means for for, at a user equipment configured to transmit precoded signals using receive beamformers as transmit precoders over at least one of a plurality of transmission occasions and multiple antenna subsets, receiving configuration parameters, from a network node, for at least one of the precoded signals and the transmit precoders, determining power scaling values based on the configuration parameters, performing power scaling of the transmit precoders using the determined power scaling values, providing an indication to the network node of the determined power scaling values and performing transmission of precoded signals using the transmit precoders scaled by the determined power scaling values.

Abstract: Method comprising: ?selecting a subset of one or more beam pairs among a set of beam pairs via which a terminal and a base station are associated, wherein for each of the beam pairs of the subset, a suitability of the respective beam pair is better than a suitability threshold; for each of the beam pairs of the subset: ??determining a respective set of at least two tones; ??performing a respective relative phase measurement based on the respective virtual wavelength to obtain a respective virtual phase difference; and at least one of ??reporting the respective set of at least two tones and the respective virtual phase difference to the base station; and ??estimating a respective distance between the terminal and a transmission reception point of the base station emitting the respective beam pair based on the respective virtual phase difference and the preliminary uncertainty region.

Abstract: A method can include transmitting, by a user equipment to a base station, coherence information indicating, based on precoding to be performed in association with transmission, whether multiple transmission signals to be transmitted via multiple transmission ports will be coherent with each other, receiving, from the base station, a transmission indication message, the transmission indication message assigning uplink transmission resources and coherence information to the multiple transmission ports, and transmitting, to the base station via the assigned uplink transmission resources, the multiple transmission signals via the multiple transmission ports.

Abstract: Abstract: There is provided a method for a user equipment, UE, of a wireless communication network, the method comprising: obtaining a first measurement data associated with a determined position of the UE and second measurement data, the first and second measurement data obtained by performing measurements by the UE; obtaining a difference value indicative of a difference between at least one measurement value of the first measurement data and at least one measurement value of the second measurement data; comparing the difference value with at least one repositioning threshold value provided by the wireless communication network to the UE; and if the difference value exceeds the at least one repositioning threshold value, triggering a transmission of a repositioning request to a network node of the wireless communication network.

Abstract: Various example embodiments relate to positioning of a target node. A positioning report may comprise positioning assistance measurements from the target node and at least one anchor node, wherein the positioning assistance measurements are associated with angular differences between a pair of uplink and/or downlink transmission and/or reception beam directions. Apparatuses, methods, and computer pro-grams are disclosed.

Abstract: An example method, apparatus, and computer-readable storage medium are provided for enabling beam based discovery and direct connectivity using network assisted beam discovery and corresponding signaling to at least reduce sweep time and beam acquisition for D2D discovery operations. In an example implementation, the method may include determining, by a network device of a communication network, information comprising including an indication of at least one of data, a control element, or a relative reference point for identifying a beam sweeping angular spread for device-to-device discovery operations for device-to-device communication. The example method may further include sending towards a set of network nodes the information for the device-to-device discovery in the communication network.

Abstract: According to an example aspect of the present invention, there is provided a method, including receiving, from a radio access network device, a beam sweeping configuration indicative of spatial limitation in relation to a reference, and performing beam sweeping configured spatially based on the received beam sweeping configuration for extending connectivity via the network device outside coverage of the network device.

Abstract: A method can include transmitting, by a user equipment to a base station, coherence information indicating, based on precoding to be performed in association with transmission, whether multiple transmission signals to be transmitted via multiple transmission ports will be coherent with each other, receiving, from the base station, a transmission indication message, the transmission indication message assigning uplink transmission resources and coherence information to the multiple transmission ports, and transmitting, to the base station via the assigned uplink transmission resources, the multiple transmission signals via the multiple transmission ports.

Abstract: Devices, methods and computer program products for beam ranking for positioning purposes are disclosed. A network node device transmits to a client device a beam ranking indication comprising beam specific first reference data and beam ranking criteria for positioning for downlink transmission beams between the network node device and the client device. In response to a received downlink transmission beam selection indication indicating a downlink transmission beam selected by the client device based on the transmitted beam ranking indication, the network node device transmits second reference data to the client device with at least one downlink transmission beam according to the received downlink transmission beam selection indication.

Abstract: An apparatus and a method for control signaling are disclosed. The method comprises communicating (402) with one or more user terminals utilising Time Division Duplexing, estimating (404) uplink precoder parameters for the one or more user terminals, the parameters comprising an uplink precoder matrix and a scaling factor and transmitting (406) the uplink precoder parameters utilising a downlink pilot signal and downlink control signalling.

Abstract: An apparatus and a method for control signaling are disclosed. The method comprises communicating (402) with one or more user terminals utilising Time Division Duplexing, estimating (404) uplink precoder parameters for the one or more user terminals, the parameters comprising an uplink precoder matrix and a scaling factor and transmitting (406) the uplink precoder parameters utilising a downlink pilot signal and downlink control signalling.

Abstract: There is provided a solution for improving the efficiency of a mobile communication network applying a distributed antenna system. The solution includes avoiding inter-cell interference with only a limited amount of backhaul information exchange between the base stations of the distributed antenna system, and applying beamforming techniques according to determined user allocation.

Abstract: There is provided a method comprising: determining a phase difference between at least two antenna units of a distributed antenna system on the basis of at least one pilot signal received from at least one of a plurality of antenna units; and transmitting phase correction commands to a common base station of the plurality of antenna units on the basis of the determined phase difference in order to synchronize carrier phases between at least two antenna units of the distributed antenna system.

Abstract: A communication system comprising a network element, a mobile station, and a plurality of radio access means. The plurality of radio access means is configured to provide communication services to the mobile station. A radio access means of the plurality of radio access means includes a plurality of cells. The plurality of radio access means use different communication methods. The network element is configured to order the radio access means based on provided information. The provided information is associated with the plurality of radio access means and is based on a plurality of parameters associated with each of the plurality of radio access means. The network element is further configured to select a target radio access means of the plurality of radio access means based on the ordering and to send a request to the mobile station to perform compressed mode measurements based on the selected target radio access means for selecting a cell associated with the selected target radio access means.

Abstract: There is provided a solution for improving the efficiency of a mobile communication network applying a distributed antenna system. The solution comprises avoiding inter-cell interference with only a limited amount of backhaul information exchange between the base stations of the distributed antenna system, and applying beamforming techniques according to determined user allocation.

Abstract: A method of selecting a cell for handover of a mobile station to another communication system. A command is sent to a mobile station from a first network element. The command includes a request to perform compressed mode measurements at the mobile station of a neighboring cell. The neighboring cell uses a different communication means than the first network element. Compressed mode measurement results are received from the mobile station at the first network element. The received compressed mode measurement results are weighted with indicators of a prioritized neighbor cell list to form a prioritized list. A second command is sent to the mobile station from the first network element. The second command includes a second request to decode identification codes at the mobile station based on the prioritized list. An indicator of a suitable cell from the prioritized list is received from the mobile station at the first network element.

Abstract: A method of performing compressed mode measurements for selecting communication means in a communication system. Statistics are collected on handovers from a cell in a communications system to a plurality of other cells in the communications system. A cell load of each cell of the plurality of other cells is weighted by a percentage of handovers from the cell to the respective one of the plurality of other cells. A threshold is determined based on the weighted cell loads. The threshold can be used to trigger a load based handover from the cell to one of the plurality of other cells.

Abstract: A communication system covering an area, including a plurality of first units. Each of the first units being configured to control the allocation of channels in a part of the area. At least one of the first units being configured to send information relating to channel allocation in the part of the area associated with the at least one first unit to at least one other of the first units. The at least one other of the first means units being configured to take into account the received information when controlling the allocation of channels in the part of the area associated with the at least one other first units.