Abstract: In accordance with an example embodiment of the present invention, an apparatus comprising: at least one processor; and at least one memory including computer program code, wherein the at least one memory and the computer program code are configured to, with the at least one processor, cause the apparatus to perform at least the following: allocate a physical uplink channel between at least one integrated access and backhaul node user equipment function and a parent distributed unit; and send at least one message via the physical uplink channel, wherein the at least one message includes at least: a destination queue depth scheduled on a downlink by at least one integrated access and backhaul node distributed unit.

Abstract: Various communication systems may benefit from improved signaling of control messages. For example, certain embodiments may benefit from an improved signaling of control messages in 5G or New Radio systems between a donor node and a plurality of integrated access and backhaul nodes. A method may include generating at a network node a control message for a plurality of other nodes. The method may also include transmitting the control message from the network node to the plurality of other nodes via a multicast radio bearer. The multicast radio bearer may connect the plurality of other nodes.

Abstract: To establish a multi-AP RRC connection with a user device UD the UD in the coverage area of multiple APs selects suitable ones as cluster set candidates and reports this list to a temporary serving AP the UD chooses. The multi-AP connection itself is setup by the cluster set manager CSM. The CSM collects information from each AP about control channels and load in order to choose which APs will be in the cluster, which will be the serving AP, and to setup the multi-AP connection with the UD. Multiple message exchanges are described for this purpose. Once the multi-AP connection is established, if the UD's connection with the serving AP fails the UD can handover to another AP of the cluster set without having to re-establish a new RRC connection. This is particularly useful for networks subject to severe shadowing effects such as mmWave 5G.

Abstract: A technique of reducing interference at a wireless node includes: determining a location of a base station relative to a wireless node, determining, based at least on the location of the base station relative to the wireless node, a beam-reduction region that includes one or more interfering transmit beams of the base station within the beam-reduction region, and causing the base station to decrease a transmit power for the one or more interfering transmit beams within the beam-reduction region.

Abstract: In accordance with an example embodiment of the present invention, an apparatus comprising: at least one processor; and at least one memory including computer program code, wherein the at least one memory and the computer program code are configured to, with the at least one processor, cause the apparatus to perform at least the following: allocate a physical uplink channel between at least one integrated access and backhaul node user equipment function and a parent distributed unit; and send at least one message via the physical uplink channel, wherein the at least one message includes at least: a destination queue depth scheduled on a downlink by at least one integrated access and backhaul node distributed unit.

Abstract: A method is provided including determining, for each of a plurality of user equipments, a null cyclic prefix length for communication in a wireless network using null cyclic prefix single-carrier modulation; and communicating with at least one of the user equipments based at least partially on the determined null cyclic prefix length of the at least one user equipment.

Abstract: A group of data symbols for a current block of data symbols in multiple blocks received over a communication channel is equalized, based on a pilot block, to generate a group of equalized symbols. The group of equalized symbols is de-rotated as a function of a current phase estimate to determine initial de-rotated equalized symbols. The phase estimate is an estimate of phase caused by noise for blocks previous to the current block. Additionally, a phase metric is calculated from real and imaginary parts of the initial de-rotated equalized symbols, wherein the phase metric estimates phase caused by noise for the current block. The current phase estimate is updated with the phase metric. The initial de-rotated equalized symbols are de-rotated by the phase metric to determine final equalized and de-rotated symbol estimates. The final equalized and de-rotated symbol estimates are output. Apparatus, methods, and computer program products are disclosed.

Abstract: A method including determining a plurality of access points (APs) to be used in an access point cluster set (CS) for a user device (UD); and for at least one of the plurality of access points (APs), assigning an access point availability state from a plurality of possible access point availability states, where the plurality of possible access point availability states includes a suspended state.

Abstract: A method and apparatus may determine a plurality of access points. The plurality of access points belong to a cluster set of a user device. The method may also include allocating a plurality of uplink access channels to the plurality of access points. The plurality of uplink access channels may include uplink polling channels. The plurality of uplink access channels are allocated such that the plurality of access channels are staggered in time within a frame structure used by the plurality of access points and the user device.

Abstract: An example technique may include determining, by a user device, downlink control channel timing information for each of a plurality of access points including for a serving access point that serves the user device and one or more standby access points; sending, by the user device to a cluster set manager via the serving access point, the downlink control channel timing information for each of the plurality of access points; receiving, by the user device from the cluster set manager via the serving access point, downlink control channel allocations including information identifying a downlink control channel allocated to the user device for each of a plurality of the access points; and receiving, by the user device, information from at least one of a plurality of the access points via a downlink control channel allocated to the user device for the at least one of the plurality of access points.

Abstract: A method including transmitting an uplink access request message by a user device (UD) for an access point (AP) in an access point cluster set of the UD; and monitoring a downlink control channel by the user device (UD) to determine, based at least partially upon the transmitted uplink access request message, if a subsequent uplink communication is to be transmitted by the user device (UD) to a serving access point and/or a stand-by access point of the access point cluster set.

Abstract: A technique of reducing interference at a wireless node includes: determining a location of a base station relative to a wireless node, determining, based at least on the location of the base station relative to the wireless node, a beam-reduction region that includes one or more interfering transmit beams of the base station within the beam-reduction region, and causing the base station to decrease a transmit power for the one or more interfering transmit beams within the beam-reduction region.

Abstract: Various communication systems may benefit from managing signal interference. For example, certain wireless communication systems may benefit from a dynamic time division duplex system involving slot allocation. A method includes allocating, by an access point, in a time division duplex frame a plurality of radio resource slots, each one of the plurality of radio resource slots being allocated for a downlink or an uplink transmission, and determining that the allocation of the downlink or uplink transmission should be changed. The method also includes applying a permutation pattern to re-allocate at least one of the plurality of radio resource slots for the downlink or uplink transmission.

Abstract: An example implementation may include transmitting, by a first base station to a second base station, a beam-specific power down request value for one or more beams. Another example implementation may include receiving, by a second base station from a first base station, a beam-specific power down request value for one or more beams, and decreasing, by the second base station, transmit power for one or more transmit beams based on the beam-specific power down request value for the one or more beams.

Abstract: An example technique may include measuring a wireless link between a user device and an access point to obtain a first set of measurement values, detecting that the wireless link is temporarily blocked during the measuring, modifying, based on the wireless link being temporarily blocked, the first set of measurement values to obtain a second set of measurement values, and sending, to a network device, a report indicating the second set of measurement values.

Abstract: Various communication systems may benefit from managing signal interference. For example, certain wireless communication systems may benefit from a dynamic time division duplex system involving slot allocation. A method includes allocating, by an access point, in a time division duplex frame a plurality of radio resource slots, each one of the plurality of radio resource slots being allocated for a downlink or an uplink transmission, and determining that the allocation of the downlink or uplink transmission should be changed. The method also includes applying a permutation pattern to re-allocate at least one of the plurality of radio resource slots for the downlink or uplink transmission.

Abstract: A method and apparatus may determine a plurality of access points. The plurality of access points belong to a cluster set of a user device. The method may also include allocating a plurality of random-access-channel slots to the plurality of access points such that the plurality of random-access-channel slots are staggered in time over a random-access-channel period within a frame structure used by the user device.

Abstract: An example technique may include measuring a wireless link between a user device and an access point to obtain a first set of measurement values, detecting that the wireless link is temporarily blocked during the measuring, modifying, based on the wireless link being temporarily blocked, the first set of measurement values to obtain a second set of measurement values, and sending, to a network device, a report indicating the second set of measurement values.

Abstract: A method and apparatus can be configured to receive a first scheduling request. The first scheduling request corresponds to a request for a first access point to process data. The method can also include transmitting a second scheduling request. The second scheduling request corresponds to a request to transmit data to a second access point. The transmitting the second scheduling request comprises transmitting the second scheduling request before the data is processed at the first access point.

Abstract: A group of data symbols for a current block of data symbols in multiple blocks received over a communication channel is equalized, based on a pilot block, to generate a group of equalized symbols. The group of equalized symbols is de-rotated as a function of a current phase estimate to determine initial de-rotated equalized symbols. The phase estimate is an estimate of phase caused by noise for blocks previous to the current block. Additionally, a phase metric is calculated from real and imaginary parts of the initial de-rotated equalized symbols, wherein the phase metric estimates phase caused by noise for the current block. The current phase estimate is updated with the phase metric. The initial de-rotated equalized symbols are de-rotated by the phase metric to determine final equalized and de-rotated symbol estimates. The final equalized and de-rotated symbol estimates are output. Apparatus, methods, and computer program products are disclosed.