Abstract: A network node for a wireless communication system includes a processor and a transceiver. The processor is configured to generate a plurality of random access grant signals. The random access grant signals include at least one unoccupied radio network temporary identifier and a resource allocation for an uplink communication request. The plurality of random access grant signals are assigned to one or more downlink transmit beams and the transceiver is configured to periodically transmit the plurality of random access grant signals on the one or more downlink transmit beams using a same time-frequency resource.

Abstract: Implementations describe a user equipment, an access node, and to methods for a user equipment and for an access node. The user equipment includes a receiver configured to receive a downlink control signal (CTRLS) over a downlink control channel (PDCCH) from an access node. The user device also includes a processor configured to, when the user equipment is in a Radio Resource Control (RRC) connected mode, switch on the receiver at a time point (tstart_symbol) when a symbol comprising the downlink control signal (CTRLS) starts in time domain. The processor is further configured to switch off the receiver at a time point (tend_symbol) when the symbol comprising the downlink control channel (CTRLS) ends in time domain.

Abstract: An apparatus for assigning a plurality of access nodes of a wireless communication network to control areas includes a processing apparatus. The processing apparatus is configured to assign each access node in the plurality of access nodes to a control area of a plurality of control areas and to determine a first control phase. The first control phase is a period of time during which the assignment of access nodes to control areas remains constant. The processing apparatus is configured to, when changing from the first control phase to a following second control phase, reassign at least a subset of access nodes which were assigned during the first control phase to a first control area to a second control area and reassign at least a subset of access nodes which were assigned during the first control phase to a third control area to the first control area.

Abstract: An access node in a wireless communication system includes a transceiver configured to receive one or more uplink pilots associated with a user node via a radio link, and a processor configured to determine, based on the one or more uplink pilots, a location of the user node and whether the radio link is a line of sight radio link or a non-line of sight radio link. When the radio link is a line of sight radio link, the processor determines a position based precoding vector based on the location of the user node, and generates a precoded downlink control signal based on the determined position based precoding vector. The transceiver transmits the precoded downlink control signal to the user node.

Abstract: Embodiments of present invention relate to an access node device arranged for receiving and forwarding data packets in a communication network, the device comprising at least one processor arranged to: receive data packets from an user node; and forward the data packets in a stateless mode over a first path to a destination gateway node, the first path being a default path, or forward the data packets in a stateful mode over a second path to a destination node, the second path being determined by user and/or session specific information for said user node. Furthermore, the invention also relates to a corresponding gateway node device, a method in an access node, a method in a gateway node, a computer program, and a computer program product thereof.

Abstract: An access node comprises a processor and a transceiver. The transceiver is configured to receive at least one uplink reference signal corresponding to at least one user node. The processor is configured to determine, based on the at least one uplink reference signal, an estimated position of the at least one user node relative to the access node and at least one directional parameter corresponding to the estimated position of the at least one user node relative to the position of the access node. The transceiver is configured to send at least one downlink control information to the at least one user node, the at least one downlink control information including the directional parameters.

Abstract: The present invention relates to a user device and a network node. Furthermore, the present invention also relates to corresponding methods, a computer program, and a computer program product. A Radio Network Temporary Identifier (RNTI) is assigned to a User Device from a radio communication network, wherein the assigned RNTI is valid for a plurality of network nodes of the radio communication network and associated with a common data channel of the radio communication network.

Abstract: The present invention relates to a network node and a user device. The network node comprises a transceiver configured to receive a plurality of reference signals associated with a plurality of user devices; a processor configured to group the plurality of user devices into at least one group of user devices based on the plurality of received reference signals, assign radio resources for grant-free data transmission to the group of user devices, compute a receiver filter for the group of user devices based on the plurality of received reference signals and the assigned radio resources; wherein the transceiver is configured to receive a plurality of grant-free data transmissions from user devices in the group of user devices in the assigned radio resources, wherein the processor is configured to separate the grant-free data transmissions from the user devices in the group of user devices based on the computed receiver filter.

Abstract: The embodiment of the present invention relates to a control entity (101, 201, 301, 401, 501) for connecting to at least a first access node (ANd1) and at least a second access node (ANd2, ANd3, ANd4). According to the instructions of the control entity, key interference information is shared between ANds or ANd clusters, a Signal-to-Interference-plus-Noise Ratio (SINR) value is calculated based on the key interference information by the ANds or ANd clusters which received the shared key interference information, and a modulation and coding scheme (MCS) for each user is chosen based on the SINR by the ANds or ANd clusters.

Abstract: A user device for a wireless communication system comprises a processor, configured to determine an on-duration period of an activity cycle, check that a channel state information (CSI) is valid, and monitor a down link control channel only while the CSI is valid and the user device is in the on-duration period of the activity cycle. A network node comprises a processor; and a transceiver; wherein the processor is configured to determine an on-duration period of an activity cycle, wherein the transceiver is configured to receive CSI updates, and wherein the processor further is configured to check that the CSI is valid, and to transmit data on a down link control channel only while the CSI is valid and the processor is in the on-duration period of the activity cycle.

Abstract: The present disclosure relates to a device, and a method and a network node for a wireless communication system. The device includes: a transceiver and a processor, and the transceiver is configured to receive a first control signal from a network node where the first control signal includes a measurement request for a first reference signal, and receive the first reference signal from the network node, the processor is configured to measure the first reference signal according to the measurement request, and the transceiver is further configured to transmit a second control signal to the network node where the second control signal includes a measurement report indicating the measurement of the first reference signal, and transmit a second reference signal to the network node where the measurement report indicates a transmitted power of the second reference signal.

Abstract: An embodiment of an apparatus for determining clusters of access nodes includes a processing apparatus configured to determine a first cluster based on a first metric, wherein the first cluster comprises one or more access nodes for serving at least a first user node, assign further user nodes to be served by the one or more access nodes of the first cluster based on a spatial separation of the further user nodes and a second metric, and determine at least a further cluster by repeating the determining and assigning steps for further access nodes and user nodes.

Abstract: An Access Node (ANd), for allocating a beacon resource pattern to a User Node (UNd), is configured to: detect the UNd by receiving an uplink beacon signal from the UNd; allocate a beacon resource pattern from a predetermined set of beacon resource patterns to the detected UNd; and signal information about the allocated beacon resource pattern to the UNd.

Abstract: The present disclosure relates to a network node having a processor and a transceiver. The processor is configured to select at least one user device if a Channel Estimation Timer (CET) for a radio channel between the network node and the at least one user device is valid, and to schedule data transmission to the at least one selected user device. The transceiver is configured to perform the scheduled data transmission to the at least one selected user device. The present disclosure also describes a corresponding method, a wireless communication system including such a network node, a computer program, and a computer program product.

Abstract: Implementations describe a user equipment, an access node, and to methods for a user equipment and for an access node. The user equipment includes a receiver configured to receive a downlink control signal (CTRLS) over a downlink control channel (PDCCH) from an access node. The user device also includes a processor configured to, when the user equipment is in a Radio Resource Control (RRC) connected mode, switch on the receiver at a time point (tstart_symbol) when a symbol comprising the downlink control signal (CTRLS) starts in time domain. The processor is further configured to switch off the receiver at a time point (tend_symbol) when the symbol comprising the downlink control channel (CTRLS) ends in time domain.

Abstract: Implementations described herein relate generally to a user device, to an access node, and to methods for a user device and for an access node. The user device includes a receiver configured to receive at least one downlink signal from an access node. The user device further includes a processor configured to measure the at least one downlink signal at two time instants, to determine if a difference of the measured at least one downlink signal at the two time instants exceeds a threshold, and to generate, when the difference exceeds the threshold, at least one uplink transmission. The user device further includes a transmitter configured to transmit the at least one uplink transmission over an uplink random access channel.

Abstract: The embodiments of the present invention relates to a first communication device, a second communication device, and a control device. According to the embodiments of the present invention beacon signals are broadcasted by first communication devices in a wireless communication system. The broadcasted beacon signals are used for calculation of received power or pathloss by second communication devices. The calculated received power or pathloss is used for estimating interference in the wireless communication system by control devices. Furthermore, the embodiments of the present invention also relates to corresponding methods, a computer program, and a computer program product.

Abstract: A transmitter (110), a receiver (120) and a method (700) for communicating data packets. The method (700) comprises receiving (701) a data packet and determining (702) if it is a re- or new transmission; and, when it is a retransmission: combining (703) the received (701) data packet with oldest unsuccessfully decoded data packet stored in a second memory (850), and decoding (704) the combined (703) data packet; when it is a new transmission: decoding (704) the received (701) data packet; checking (705) if the decoding (704) is successful; deleting (706) the oldest stored data packet in the first memory (840); storing (707) the decoded (704) data packet in the first memory (840) when the decoding (704) is successful or storing (707) the decoded (704) data packet in the second memory (850) when the decoding (704) is not successful; and transmitting (708) feed-back information to the transmitter (110).

Abstract: An embodiment of an apparatus for determining clusters of access nodes includes a processing apparatus configured to determine a first cluster based on a first metric, wherein the first cluster comprises one or more access nodes for serving at least a first user node, assign further user nodes to be served by the one or more access nodes of the first cluster based on a spatial separation of the further user nodes and a second metric, and determine at least a further cluster by repeating the determining and assigning steps for further access nodes and user nodes.

Abstract: An apparatus for assigning a plurality of access nodes of a wireless communication network to control areas includes a processing apparatus. The processing apparatus is configured to assign each access node in the plurality of access nodes to a control area of a plurality of control areas and to determine a first control phase. The first control phase is a period of time during which the assignment of access nodes to control areas remains constant. The processing apparatus is configured to, when changing from the first control phase to a following second control phase, reassign at least a subset of access nodes which were assigned during the first control phase to a first control area to a second control area and reassign at least a subset of access nodes which were assigned during the first control phase to a third control area to the first control area.