Abstract: Systems and methods are disclosed for selecting resources for direct device to device (D2D) communications in a cellular communication network. Preferably, resources for the direct D2D communications are selected to minimize, or at least substantially reduce, interference that results from the direct D2D communications in the cellular communication network. In general, either an uplink resource or a downlink resource of the cellular communication network is selected for a direct D2D communication link between a first wireless device and a second wireless device in order to minimize, or at least substantially reduce, interference caused to a third wireless device that uses the same uplink and downlink resources in the same and/or a neighboring cell of the cellular communication network.

Abstract: Methods, a radio base station, and a second user equipment are provided. The second user equipment is served by the radio base station and sends a first request for granting a first user equipment access to at least one service. A transfer of a first access code between the second user equipment-and the radio base station-takes place. The radio base station-receives, from the first user equipment, a second request for access to said at least one service and the code information based on the first access code. Then, the radio base station-sends, to the first user equipment, an access grant for granting the first user equipment-access to the at least one service in response to the second request and the code information, when the code information matches the first access code.

Abstract: A method in a first user equipment (110) and a first user equipment (110) for providing information about at least one of a first and a second connection state are provided. Moreover, a corresponding method in a second user equipment (120) and a second user equipment (120) are provided. The first connection state is related to a first connection between the first user equipment (110) and a radio network node (140). The second connection state is related to a second connection between the first user equipment (110) and the second user equipment (120). The first user equipment (110) encodes (220) information about at least one of the first and second connection states into a synchronization signal for synchronizing the second user equipment (120) to the first user equipment (110). The first user equipment (110) sends (230) the synchronization signal to at least the second user equipment (120), thereby providing information about at least one of the first and second connection states.

Abstract: A method in a first user equipment for communicating with a second user equipment over a D2D radio link in a D2D radio network is provided. The first user equipment and the second user equipment are comprised in the D2D radio network. The first user equipment is further comprised in a cellular communications network. The first user equipment obtains (301) information of an upcoming occasion. The occasion is related to a communication in the cellular communications network. The first user equipment then sends (302) a message to the second user equipment over the D2D radio link The message indicates the upcoming occasion and that communication from the second user equipment to the first user equipment over the D2D radio link shah be prohibited (303) during the occasion.

Abstract: Systems and methods are disclosed for selecting resources for direct device to device communications in a cellular communication network. Preferably, resources for the direct device to device communications are selected to minimize, or at least substantially reduce, interference that results from the direct device to device communications in the cellular communication network. In one embodiment, a downlink resource of the cellular communication network is selected as a resource for a direct device to device communication link between a first wireless device and a second wireless device if at least one of the first and second wireless devices is less than a predefined threshold radio distance from a closest base station in the cellular communication network. Otherwise, an uplink resource of the cellular communication network is selected as a resource for the direct device to device communication link between the first and second wireless devices.

Abstract: Systems and methods are disclosed for selecting resources for direct device to device (D2D) communications in a cellular communication network. In one embodiment, a downlink resource is selected as a resource for a direct D2D communication link between a first wireless device and a second wireless device if a base station serving each of the first and second wireless devices is equipped with an interference cancellation receiver and both the first and second wireless devices are less than a predefined threshold radio distance from their serving base station. An uplink resource is selected as a resource for the direct D2D communication link if the base station serving each of the first and second wireless devices is equipped with an interference cancellation receiver and at least one of the first and second wireless devices is more than the predefined threshold radio distance from its serving base station.

Abstract: Methods and apparatuses relating to optimization of radio network resources between user equipments operating in a cell and nodes in a cellular radio communication network are provided. Cross-layer information is read from higher level control plane protocol layer packets being transported, before or during lower level control plane protocol layer procedures being performed between a user equipment and a node or between two nodes. The lower level control plane protocol layer procedures are optimized by using the analyzed control plane information received.

Abstract: The present invention relates to a method and an arrangement of efficiently utilizing radio resources in a communication network, comprising a communication network node transmitting information on shared control channels (SCCH) to one or more user equipments. The information is transmitted over either a narrow or a wide bandwidth depending on which mode said one or more user equipments are, either a power saving mode or an active mode.

Abstract: A radio access network comprises a radio access network node and plural wireless terminals. At least a first wireless terminal is configured to utilize mixed carrier aggregation. A relay node transmits an unlicensed component carrier allocated to the first wireless terminal between the radio access network node and the first wireless terminal. The relay node may relay uplink data, downlink data, or both.

Abstract: According to a first aspect of embodiments herein, the object is achieved by a method in a method in a network node for handling beacon signal transmission. The beacon signal transmission is for discovering devices for Device to Device, D2D, transmission. The network node is associated with a cellular communications network. The network node obtains (1401) information from a number of master devices within a specific area comprised in the cellular communications network. The respective information comprises information about location and capability of D2D transmission of the respective master devices. The network node then decides (1403) properties for beacon signal transmission from a first master device. The deciding is based on the obtained information, and the number of master devices within the specific area.

Abstract: The present disclosure relates to a method and a network node 100 in a wireless communications network 1. In particular, it relates to selecting a frequency band for operation for user equipment 9 in the wireless communications network 1. The frequency band to be selected is either a licensed frequency band or an unlicensed frequency band. The network node 100 is a macro base station 5, or a home base station (7, 700), and is adapted to condition measurements communicate with user equipments 9 in the wireless communications network 1 which comprises both the macro base station 5 and the home base station (7, 700). The home base station (7, 700) is adapted to support operation in both the licensed frequency band and the unlicensed frequency band.

Abstract: Parameters that define the frequency raster points to be used in an unlicensed band are used to support operation of wireless devices in both licensed and unlicensed frequency bands. Corresponding signaling messages are used to exchange information regarding the device's capabilities, preferences, transmission power, etc. In one method, implemented in a wireless communication device (410) configured to operate in at least first and second frequency bands, a radio access network is accessed (510), using a first radio access mode and the first frequency band. The method further comprises transmitting (520) frequency raster data to the radio access network, wherein the frequency raster data corresponds to the second band, indicates a tuning capability of the wireless communication device (410), and comprises at least a first frequency index and a granularity indicator. Methods and apparatus for maintaining a database of access point capabilities in unlicensed bands are also disclosed.

Abstract: The present invention relates to methods and arrangements for controlling uplink transmit power to be used by the UE. The UE comprises multiple radio interfaces wherein at least one of the multiple interfaces is a cellular radio interface. The UE stores information comprising a total transmit power budget set aside for use over the multiple radio interfaces of the UE and receives transmit power control commands from a network node on the cellular radio interface indicating whether the UE should increase or decrease or maintain the uplink transmit power on the cellular radio interface. Transmit power levels to be used for uplink transmissions over the multiple radio interfaces based on the received transmit power control commands are calculated, wherein the said total transmit power budget for the multiple radio interfaces is taken into account.

Abstract: A method, User Equipment (UE), and network node in an ad-hoc network. The UE determines a node in the ad-hoc network that is able to provide a reference signal comprising a pattern that can be used for synchronization purposes when the UE is in DRX mode in the ad-hoc network. The node is determined by requesting the node to indicate whether the node is able to provide the reference signal, and receiving an accept signal or message from the node. The UE then receives the reference signal from the determined node, enters DRX mode, and uses the received reference signal to maintain synchronization while in the DRX mode.

Abstract: The present solution relates to a method in a user equipment (110) for providing navigation signals to a navigator device (104) for use in determining the location of the navigator device. The user equipment (110) selects a plurality of satellites whose signals are to be emulated. After determining the position of the user equipment (110), the user equipment (110) translates the determined position to emulating navigation signals using a parameter derived from each of the respective selected satellites. The user equipment (110) transmits, to the navigator device (104), the emulated navigation signals. The emulated navigation signals enable the navigator device to determine the location of the navigator device (104).

Abstract: The present invention relates to a method and an arrangement for reducing power consumption in the user equipments in power saving mode in a communication network, comprising a communication network node transmitting information on shared control channels (SCCH) to one or more user equipments. The information is transmitted over either a narrow or a wide bandwidth depending on which mode said one or more user equipments are, either a power saving mode or an active mode.

Abstract: Method in a user equipment for selecting a cell associated with a radio access technology. The method comprises the steps of obtaining an instruction to select a cell to be used among cells using a radio access technology being associated with a specific service class. Also comprising receiving a broadcast, which broadcast uses a radio access technology being associated with a respective service class and being associated with a respective priority level within that service class. Also comprising selecting a cell, which cell is using a radio access technology being associated with the specific service class in accordance with the obtained instruction and which cell is associated with the highest priority level. An arrangement in a user equipment, a method in a base station, an arrangement in a base station, a method in a core network node and an arrangement in a core network node is also provided.

Abstract: The present invention relates to data packet traffic congestion solving mechanism in a node of a Radio Access Network (RAN), said mechanism is capable of blocking the transmission of data packets between a user terminal (UT) and said node in both uplink and downlink directions, if a created blocking table indicates for a scheduler that said user terminal has been determined to have been idle for more than a pre-determined time.

Abstract: There is provided a method of determining a discontinuous reception and/or transmission cycle length, the method comprising determining information relevant to the cycle length from a high layer in a protocol stack; providing the information to a lower layer in the protocol stack; and in the lower layer of the protocol stack, determining the cycle length from the information.

Abstract: Embodiments herein include a method in a base station serving a cell for assisting a user equipment to select a cell. The method comprises the step of sending a message comprising a reference to a service class and a priority level associated with a radio access technology used by the cell that the base station serves. Embodiments herein also include a corresponding arrangement in a base station. Embodiments herein further include a method in a core network node for configuring service classes in a network. The method comprises associating a radio access technology with a service class and a priority level. The method further comprises sending to a base station a reference to the service class and the priority level associated with the radio access technology used by the base station. Embodiments herein finally include a corresponding arrangement in a core network node.