Abstract: A method for a device-to-device enabled cellular communication device arranged to operate with a cellular radio access network is disclosed. The method comprises determining a physical layer metric based on at least one potentially received signal from a controlling node of the cellular radio access network; determining based on said the physical layer metric whether the cellular communication device is in coverage or out of coverage of the controlling node; and either, if the cellular communication device is determined to be in coverage of the controlling node, using device-to-device resources assigned from the controlling node, or, if the cellular communication device is determined to be out of coverage of the controlling node, using device-to-device resources which are preconfigured for out of coverage use. A communication device and a computer program are also disclosed.

Abstract: The invention relates to network nodes, a wireless communication device, WCD, and methods therein for handover. The method in the WCD comprises obtaining, from a source network node, information comprising at least part of a WCD Context related to the WCD. The method further comprises connecting to a target network node, and forwarding the obtained information to the target network node, enabling the target network node to derive the WCD Context based on the information.

Abstract: The present disclosure presents a method and a network entity for load contribution distribution in a wireless communication system supporting component carrier communication. The network entity serves a first cell of a wireless communication system. The method comprises receiving (61) information on one or more secondary cell usages of the first cell, wherein a secondary cell usage represents a secondary component carrier load of a wireless device connected to a primary cell of one or more further cells which are different from the first cell. The information on primary cell usage and the one or more secondary cell usage for the first cell is compiled (62) in the network entity. The method further comprises identifying (63) the respective primary cell for each secondary cell usage. Finally it comprises sending (64) secondary cell usage information to a respective network entity serving the identified respective primary cell for each secondary cell usage.

Abstract: Method in and network node (700; 140a, 111a, 131a, 110a-c, 130a-c) of a wireless communications system (100a-c), for managing radio traffic load in a first cell (115a-c). The first cell (115a-c) is served by a first base station (110a-c) and is at least partly is covered by a second cell (135a-c) served by the first base station (110b) or a second base station (130a,c). Information is obtained (201, 601) about a future load of radio traffic in the first cell (115a-c). The future load is associated with a first group of wireless devices (120a-d) and generation of the future load is in response to an occurrence of a future event. It is then provided (202, 602), based on the obtained information, a change of serving cell so that at least one wireless device (121a) of a second group of one or more wireless devices (121a-b) being served in the first cell (115a-c) by the first base station (110a-c), instead become served in the second cell (135a-c).

Abstract: A method of and device for generation and transmission of a first data message over a wireless channel and for a device-to-device enabled cellular communication device arranged to operate with a cellular radio access network. A transmitter identification, ID, of the cellular communication device in the first data message is included. The entire first data message, including at least data associated with the transmitter ID is scrambled with a scrambling sequence associated with a synchronisation source identity. The first data message is transmitted over the wireless channel. A corresponding method of and device for receiving and decoding one or more data messages over a wireless channel and for a device-to-device enabled cellular communication device arranged to operate with a cellular radio access network. A first synchronisation source identity is determined. A received first data message with a scrambling sequence associated with the first synchronisation source identity is descrambled.

Abstract: The present invention relates to a method for uplink transmission performed in a wireless terminal served by a radio network node of a wireless communication system and corresponding radio network node method. The method comprises receiving an assignment for an uplink transmission from the radio network node. The method also comprises determining alternative usages of the assignment based on the received assignment. Each alternative usage is associated with a different DMRS. The method further comprises selecting a usage among the alternative usages of the assignment, and applying the selected usage when transmitting uplink data to the radio network node. The method also comprises transmitting the DMRS associated with the selected usage.

Abstract: A wireless device (304) and a method therein for providing location information to a Radio Network Node, RNN, (306) or a Network Node, NN, (308,310). The wireless device, the RNN and the NN are operating in a wireless communications network (300). The wireless device receives, from the RNN or the NN, a request for Beacon Location Information, BLI. The wireless device obtains BLI from a beacon, wherein the BLI comprises information relating to a location of the beacon, which beacon is located in reach by the wireless device. The wireless device transmits the obtained BLI to the RNN or the NN.

Abstract: A method for a network node, a method for a relay wireless device, a method for an out of coverage wireless device, a network node, and a relay wireless device, an out of coverage wireless device are presented. The network node serves a cell in which a relay wireless device is at least partially located, the network node provides at least partial network coverage for the relay wireless device located in the cell, and an out of coverage wireless device is at least partially out of network coverage from the network node. The method includes determining that the network node should control the out of coverage wireless device. The method further includes determining D2D control information to be used for controlling the out of coverage wireless device, and transmitting the D2D control information to the out of coverage wireless device via a relay wireless device.

Abstract: Embodiments herein relate to method in a wireless device (10) for handling data transmissions in a radio communications network (1). The wireless device (10) is served by a first radio base station (12) and a second radio base station (13) providing dual connectivity to the wireless device (10) in the radio communications network (1). The wireless device (10) evaluates whether a trigger condition for buffer status reporting is fulfilled. When the trigger condition is fulfilled, the wireless device (10) transmits a buffer status report to the first radio base station and/or the second radio base station.

Abstract: In a method of interference mitigation in a multi user detection capable radio base station in a communication system, which radio base station comprises a set of confined detection modules, at least one of which is capable of handling multiple user connections, first and at least a second subset of detection modules are formed from said set, wherein the second set comprises at least one interference mitigation capable detection module. Interference information from the first subset is communicated to the second subset, interference originating in user connections of the first subset are then mitigated from the user connections of the second subset. Subsequently, interference is mutually mitigated between the connections within the interference mitigation capable detection module.

Abstract: A method in at least one radio network node for handling earner selection comprises measuring at least one of interference or load levels on at least two uplink carriers, said measurement being performed in at least one sector of each carrier, calculating an offset based on said measured Interference or said measured load levels on the at least two uplink carriers, said offset reflecting the interference or load difference between the uplink carriers, and signaling said offset to a communication device, thereby allowing said communication device to base its carrier selection for random access at least on said measured interference or load levels on said at least two uplink carriers.

Abstract: A method in a base station for assisting a network management unit in managing a cellular network is provided. The base station determines a status of the cellular network. The status affects a measurement of a quality of a radio channel between the base station and a user equipment comprised in the cellular network. The measurement is to be performed by the user equipment. The base station receives a feedback report from the user equipment comprising the measurement. The base station evaluates a validity of the measurement based on the determined status. The base station sends a report to the network management unit. The report comprises an indication of the measurement and an indication of the validity, thereby assisting the network management unit in managing the cellular network.

Abstract: The present disclosure relates to a base-station-to-base-station (BS-BS) gateway in a Long Term Evolution (LTE) cellular communication network and methods of operation thereof. In one embodiment, the BS-BS gateway receives information from a first base station which includes a hostname and a network address of the first base station. The BS-BS gateway then stores a mapping between the hostname and the network address. Thereafter, in one embodiment, the BS-BS gateway enables a second base station to address messages to the first base station using the hostname of the first base station. In this manner, changes in the network address of the first base station will not affect the ability of the second base station to address messages to the first base station. In some embodiments, the first base station is a low-power base station (LP-BS) and the second base station is a high-power base station (HP-BS).

Abstract: A telecommunications system comprises a serving radio base station and a candidate radio base station which are different with respect to at least one of frequency and radio access technology. The serving radio base station comprises a radio base station to which a wireless mobile station provides measurement reports. A method comprises the serving radio base station allowing the mobile station to obtain information broadcasted by the candidate radio base station. The information is either information for locating Cell Global Identity (CGI) of the candidate radio base station or the Cell Global Identity (CGI) itself of the radio base station. The mobile station obtains the information from the candidate radio base station during at least one reading gap. The reading gap is a time period in which the mobile station does not receive information from the serving radio base station.

Abstract: The invention relates to method and arrangement for automated optimization of network element settings in a wireless network. For a first optimization state, a first forward triggering condition and a first range of network element settings, allowable in first network element settings optimization are determined. For a further automated optimization state, determining a further forward triggering condition, and a further range of network element settings, allowable in a further network element setting optimization. An initial set of network element settings is assigned to an initial automated optimization state. The first forward triggering condition is evaluated and a migration to the first automated optimization state is performed upon fulfillment of the first forward triggering condition. A further forward triggering condition is evaluated and a migration to a further automated optimization state is performed upon the further forward triggering condition.

Abstract: A user equipment for obtaining data for observing performance related to Random Access in a cellular radio system is provided. The user equipment can connect to the system. In order to provide the network/system with data for observing the random access procedure the user equipment measures and stores data needed to compute measurements to be reported to the system. The user equipment further generates a measurement report, and transmits the measurement report based on a trigger event.

Abstract: There is provided load sharing performed by a first processing unit device and a second processing unit device. The load sharing is achieved by the first processing unit device determining a distinct subset of user equipment, UE, from a set of UEs, where the UEs of the distinct subset of UEs are candidates for load sharing. Information identifying the UEs in the distinct subset and information of load of a first cell in which the distinct subset of UEs are served and information of load of a second cell being a candidate cell for serving the distinct subset of UEs is transmitted to the second processing unit device. Based on evaluating the information received from the first processing unit device the second processing unit device determines a load sharing action for use by the first processing unit device.

Abstract: There is provided a method for determining radio resource usage. The method is performed by a network node. The method comprises associating a bearer of a terminal device with a target bitrate. The method comprises estimating a spectral efficiency of the bearer. The method comprises acquiring a maximum radio resource usage. The method comprises determining radio resource usage of the bearer based on the target bitrate, the maximum radio resource usage, and the estimated spectral efficiency. A corresponding network node and a corresponding computer program are also provided.

Abstract: A system, method, and apparatus are presented for coordinating handover. A first controller that is associated with a first RAN cell determines a first handover parameter value that is for use in determining whether to cause handover from the first RAN cell to a second RAN cell having a different RAT. The first controller transmits, to a second controller associated with the second RAN cell, information relating to the first handover parameter value. The first controller further transmits, to the second controller, a value of a QoS parameter or a UE capability parameter associated with the information. The first controller receives, from the second controller, an indication of whether the second controller has adjusted a second handover parameter value based on the transmitted information, where the second handover parameter value is for use in determining whether to cause handover from the second RAN cell to the first RAN cell.

Abstract: The teachings presents a method 10 performed in a network node 2, the network node 2 controlling a first and a second antenna point 3, 4. The network node 2 uses the same random access resources for the first and the second antenna points 3, 4. The method 10 comprises: detecting 11 a specific random access preamble received on a random access resource at the first antenna point 3 and on the same random access resource at the second antenna point 4; and scheduling 12 a transmission of a random access response to the random access preamble received at the first antenna point 3 and a transmission of a random access response to the random access preamble received at the second antenna point 4, the random access responses being scheduled separated in time and/or space. The teachings also presents corresponding devices.