Abstract: Embodiments of the disclosure provide a method, an apparatus, a wireless network node, a user equipment and a computer program product for random access in a wireless network. According to the method, a RoT level may be selected from a plurality of RoT levels according to a predetermined policy, and a time period with the selected RoT level may be determined for initiating a random access request.

Abstract: The present disclosure relates to an uplink congestion control scheme. In one embodiment, an uplink congestion control method is provided, comprising steps of: determining whether or not a congestion status of a serving cell is changed based on a rise over thermal, RoT, measurement; sending to a set of user equipment, UEs, a signaling to indicate the change of the congestion status; and performing an uplink congestion control based on the RoT measurement and with enhanced transmission format combination, E-TFC, reselection by at least one UE from the set of UEs based at least on the signaling.

Abstract: The present application discloses a method for mitigating inter-cell interference (ICI) by scheduling user equipments. The method comprises estimating inter-cell interference tolerance of each of at least one neighboring cell during uplink transmission of the user equipment; and coordinating uplink scheduling of the user equipment in accordance with the inter-cell interference tolerance. The present application also discloses a base station, a radio network controller and relevant signaling for mitigating inter-cell interference (ICI) by scheduling user equipments.

Abstract: A method in a network node comprises providing to a user equipment a dedicated physical control channel (DPCCH), the DPCCH having an associated first fractional dedicated physical channel (F-DPCH) for conveying transmit power control commands to the user equipment for power controlling the DPCCH, and providing to the user equipment a secondary dedicated physical control channel (S-DPCCH), the S-DPCCH comprising an uplink control channel for communicating transmit power control commands, the S-DPCCH having an associated second F-DPCH for conveying transmit power control commands to the user equipment for power controlling the S-DPCCH. The method comprises receiving, from the user equipment, a downlink transmit power control command, the downlink transmit power control command carried on the S-DPCCH; and controlling a transmit power of the second F-DPCH associated with the S-DPCCH based on the downlink transmit power control command carried on the S-DPCCH.

Abstract: The present disclosure provides a method and an apparatus for manipulating an Uplink (UL) service area of an access node in a wireless network. The method comprises determining whether a condition for updating a cell list for UL reception of a terminal device in proximity of the access node is met by considering a first set of Cell Individual Offsets (CIOs) for a set of cells. The first set of CIOs for the set of cells are respectively different from a second set of CIOs for the set of cells which are considered in determining whether a condition for changing a serving access node for Downlink (DL) transmission of the terminal device is met. The method further comprises updating the cell list for UL reception of the terminal device according to the determination.

Abstract: A method for configuring a cluster for a terminal device in a wireless network. The method is performed at a network node, such as a base station or a radio network controller. The terminal device can establish at least two concurrent connections to at least one network node in the cluster. The method comprises dynamically adjusting a configuration of the cluster and informing the terminal device of the adjusted configuration so that connectivity of the terminal device in the cluster is adapted to the adjusted configuration. Correspondingly, there is also provided an apparatus embodied at or as at least part of the network node.

Abstract: The present disclosure relates to a method used in a cluster manager controlling a cluster for a terminal device served by a radio node, and to the associated cluster manager. The cluster manager is under control of a control node and the cluster includes the radio node. The method includes: receiving Layer 1 (L1)/Layer 2 (L2) measurements of the terminal device on the radio node and one or more neighboring radio nodes of the radio node; determining a target radio node, to which the terminal device is to be handed over, based on the L1/L2 measurements; determining whether the target radio node is within the cluster; and if it is determined that the target radio node is within the cluster, determining whether the terminal device is to perform handover from a beam of the radio node to a beam of the target radio node.

Abstract: A radio base station (RBS) and a method performed by an RBS for scheduling uplink resources to at least one UE are provided. The RBS comprises at least two receiving antenna branches and the RBS is operable in a radio communication network. The method comprises receiving transmissions from the at least one UE by means of the at least two receiving antenna branches; and determining at least one parameter relating to signal quality of the received transmissions. The method further comprises determining a diversity gain of the at least two receiving antenna branches, wherein the diversity gain is determined based on the determined parameter(s); and scheduling uplink transmissions for the at least one UE based on the determined diversity gain.

Abstract: A method in a network node comprises providing to a user equipment a dedicated physical control channel (DPCCH), the DPCCH having an associated first fractional dedicated physical channel (F-DPCH) for conveying transmit power control commands to the user equipment for power controlling the DPCCH, and providing to the user equipment a secondary dedicated physical control channel (S-DPCCH), the S-DPCCH comprising an uplink control channel for communicating transmit power control commands, the S-DPCCH having an associated second F-DPCH for conveying transmit power control commands to the user equipment for power controlling the S-DPCCH. The method comprises receiving, from the user equipment, a downlink transmit power control command, the downlink transmit power control command carried on the S-DPCCH; and controlling a transmit power of the second F-DPCH associated with the S-DPCCH based on the downlink transmit power control command carried on the S-DPCCH.

Abstract: This disclosure relates to PRACH configuration selection in combined radio cell deployments. According to one example embodiment, a network node establishes (220) a plurality of different PRACH configurations. Each PRACH configuration is generally mapped to a respective radio unit of the several radio units of the combined radio cell. Also, the network node determines (230) a location of at least one wireless communication device. In dependence of the determined location of the at least one wireless communication device, the network node further selects (240) a set of PRACH configurations that is available for the at least one wireless communication device. Moreover, the network node transmits (250) a radio signal comprising information about the set of PRACH configurations that is available for the at least one wireless communication device.

Abstract: The present disclosure discloses a pilot signal configuration method in a wireless communication system and an associated wireless network node. The method comprises allocating a dedicated pilot signal to a User Equipment (UE) within a combined cell. The method further comprises selecting, from all Transmit-Receive Points (TRPs) within the combined cell, at least one TRP in the proximity of the UE for transmission of the dedicated pilot signal to the UE. The present disclosure further provides a pilot-signal-based reception method in a wireless communication network and an associated UE.

Abstract: The present invention provides a method of adjusting uplink load variance due to a change of a beam direction turning from towards a current beamforming control cell to towards a target beamforming control cell, comprising: estimating an uplink load increment of the target beamforming control cell due to the change of the beam direction, before the beam direction turning from towards the current beamforming control cell to towards the target beamforming control cell; comparing the estimated uplink load increment with an available uplink load headroom of the target beamforming control cell; and adjusting an uplink load grant of a user equipment if the uplink load increment is larger than the available uplink load headroom, so that an uplink load increment is not beyond the available uplink load headroom, so that the uplink load increment is not beyond the available uplink load headroom.

Abstract: The present disclosure relates to a method for allocating Time Transmission Intervals, TTI, during Up Link, UL, transmissions in a shared radio cell environment. The present disclosure also relates to a network node for performing said allocation method. The allocation is performed by determining for each network node (10; 20A; 20B; 20C) in the shared radio cell environment which UEs (30) it serves and listens to. The TTIs are the allocated such that the UE transmission for UEs related to a network node (10; 20A; 20B; 20C) is coordinated by scheduling said UE transmission in the same TTI frame for a serving network node (10; 20A; 20B; 20C) and for one or more of listening network nodes (10; 20A; 20B; 20C) in the shared radio cell environment.

Abstract: The present invention relates to methods, network nodes and a system for port selection in a cell, particularly in combined cells, of a radio access network. Therein, one or more ports of the radio access network which are to be assigned to a user equipment are selected based on a traffic situation in said cell.

Abstract: The present disclosure provides a method and an apparatus for manipulating an Uplink (UL) service area of an access node in a wireless network. The method comprises determining whether a condition for updating a cell list for UL reception of a terminal device in proximity of the access node is met by considering a first set of Cell Individual Offsets (CIOs) for a set of cells. The first set of CIOs for the set of cells are respectively different from a second set of CIOs for the set of cells which are considered in determining whether a condition for changing a serving access node for Downlink (DL) transmission of the terminal device is met. The method further comprises updating the cell list for UL reception of the terminal device according to the determination.

Abstract: A method of producing ultra-low density fiber composite (ULDC) foam materials using natural fibers with gas injection through liquid foaming is disclosed, wherein in a particular embodiment includes also cellulose filaments. The method includes a continuous overflow foaming process and a novel apparatus to produce the ULDC materials. The disclosed ULDC composite foam produced includes moisture, mold, decay and fire resistant properties which can be used for building thermal and acoustic insulations, protection packaging, air filter products, hygiene products. The apparatus comprise a vessel, counter rotating dual impellor, a plurality of baffles and gas injection that produce.

Abstract: Methods and devices for determining an available load in a cell of a cellular radio system are provided where the determination of the available load is made in response to an estimated inter cell interference load. An estimated inter cell interference is determined. The inter cell interference change events are monitored by determining when a User Equipment changes serving cell or when the User Equipment adds or removes a cell to the active set of the User Equipment. The determined inter cell interference is adjusted by an estimated load caused by the User Equipment causing an inter cell interference change event, and the available load is determined in response to the adjusted inter cell interference. The method can continuously update inter cell interference. Moreover, the update can be made fast and thereby allow an improved estimation of the available cell load.

Abstract: The present disclosure discloses a pilot signal transmission method in a wireless communication system and an associated Transmit-Receive Point (TRP). The method comprises transmitting a periodic pilot signal for channel estimation from at least one TRP in the proximity of a User Equipment (UE) within a combined cell, when the UE is not scheduled for data transmission. The method further comprises transmitting a pilot signal for demodulation from the same TRP, when the UE is scheduled for data transmission. The transmission power of the periodic pilot signal for channel estimation is lower than that of the pilot signal for signal for channel demodulation. The present disclosure further provides a pilot signal reception method in a wireless communication network and an associated UE.

Abstract: Embodiments of the present disclosure relate to a method and apparatus for improving random access in a wireless communication system. The method comprises: including, in the system information transmitted by a base station, information about transmission of a second message or both information about transmission of the second message and information about transmission of a fourth message; and including, in the second message transmitted by the base station, information about transmission of a third message, or both information about transmission of the third message and information about transmission of the fourth message; such that achieving a random access procedure without PDCCH scheduling, improving spectral efficiency of a UE with a poor coverage performance, and reducing implementation complexity of the system. Embodiments of the present disclosure provide a corresponding apparatus for performing the method.

Abstract: A device (110) receives consecutive negative acknowledgments (NACKs) (540), measures a downlink channel quality (530) associated with the device (110), and triggers autonomous retransmission (430) when power is limited in the device (110), when the device (110) is using a minimum usable enhanced dedicated channel (E-DCH) transport format combination (ETFC), and when one of a number of consecutive NACKs (540) is greater than a predefined number or the measured downlink channel quality (530) is less than a predefined threshold.