Abstract:
Methods, apparatus and computer program products configure a sounding reference signal (SRS) for a segment carrier that serves as a contiguous bandwidth extension of a component carrier, such as a component carrier that is backwards compatible with prior releases of a mobile terminal. In the context of a mobile terminal, the method receives a triggering message that identifies respective configurations of the SRS for the component carrier and the associated segment carrier. The configuration of the SRS for the component carrier is different than the configuration of the SRS for the segment carrier. The method also causes the SRS to be transmitted in accordance with the respective configurations identified by the triggering message via uplink subframes of the component carrier and the segment carrier.
Abstract:
Methods and devices arranged to control access to a cell in a communication network. One embodiment includes a processing system arranged to cause an apparatus to receive a plurality of Closed Subscriber Group identifiers (CSG IDs) assigned to the cell, select and transmit a first CSG ID from the plurality of CSG IDs on the basis of a first load condition on the cell, and select and transmit a second, different, CSG ID from the plurality of CSG IDs on the basis of a second, different, load condition on the cell.
Abstract translation:布置成控制对通信网络中的小区的访问的方法和设备。 一个实施例包括处理系统,其被配置为使设备接收分配给该小区的多个封闭用户组标识符(CSG ID),基于第一负载条件从多个CSG ID中选择并发送第一CSG ID 并且基于小区上的第二不同的负载条件,从多个CSG ID中选择并发送第二不同的CSG ID。
Abstract:
A method, an apparatus for wireless communication and a network element for handling the retransmission of a failed packet during the TDD configuration change. The method comprises receiving at least one failed packet in a first TDD configuration; receiving information to change from the first TDD configuration to a second TDD configuration; sending a repeat request for said at least one failed packet; and receiving a retransmission of the failed packets of the first TDD configuration in the second TDD configuration.
Abstract:
A method for a wireless network node to support an extended control signaling is provided. The method comprises configuring a control signaling message over extended control symbols on a layer 1 (L1) downlink control channel, the control signaling message encoded over an increased aggregation of control channel elements (CCEs) in a time domain; placing the controlling signaling message in a designated set of subframes on the L1 downlink control channel; indicating a support for the extended control signaling to one or more UEs; indicating to the one or more UEs a position of the designated set of the subframes in a spare field of the Master Information Block (MIB); and transmitting the control signaling message to the one or more UEs over the L1 downlink control channel.
Abstract:
A method, apparatus and computer program product are therefore provided according to an example embodiment to provide a cellular based ITS environment. The cellular based ITS environment may be configured based on LTE based interfaces. In this regard, a method includes receiving configuration information from a first access point, wherein the configuration information defines an ITS target area comprising at least the first access point and a first RSU. A method also includes receiving an ITS paging message from the first access point. A method also includes causing a reselection of the first RSU while in the communications range of the first access point in the ITS target area and in response to the received ITS paging message.
Abstract:
A method, apparatus and computer program product are provided to facilitate the establishment of device-to-device communications, such as non-cellular communications or cellular communications in a licensed exempt band. A method and apparatus receive cellular signals including one or more beacon transmission parameters, such as a beacon transmission interval and an identifier, and a beacon transmission status flag. The method and apparatus may also determine that the beacon transmission status flag is set to authorize beacon transmissions and then cause non-cellular beacon signals to be repeatedly transmitted in accordance with the one or more beacon transmission parameters. The method and apparatus may also cause a device-to-device connection to be established following transmission of the beacon signals. The device-to-device connection may be either a non-cellular device-to-device connection or a cellular device-to-device connection.
Abstract:
There is provided, for example, an apparatus, which is caused to select a transmission power configuration for a communication with at least one user terminal taking place on component carriers of a carrier aggregation configuration within a shared band, wherein the selection is between a low transmission power configuration applying a transmission power below a predetermined power threshold without a listen-before-talk approach and a high transmission power configuration applying a transmission power of at least the predetermined power threshold; and upon detecting that the selected transmission power configuration needs to be informed, cause an indication of the selected transmission power configuration to the at least one user terminal and at least one secondary cell.
Abstract:
A wireless device is operated such that transmission and reception by the wireless device uses half-duplex frequency division duplexing. The wireless device transmits in an uplink subframe at a first frequency and receives in a downlink subframe at a second frequency. The uplink subframe and downlink subframe occur at different times. The frame structure that is used has a special subframe (80) to allow at least switching from downlink reception to uplink transmission. In one example, the special subframe (80) consists only of a downlink pilot time slot (85), to allow downlink pilot signals to be received at the wireless device, and a guard period (90), during which no data is received at or transmitted by the wireless device. In another example, the special sub frame (80) comprises a downlink pilot time slot (85) and a guard period (90), the special subframe (80) having no uplink pilot time slot for uplink pilot signals.
Abstract:
There is provided, for example, an apparatus, which is caused to select a transmission power configuration for a communication with at least one user terminal taking place on component carriers of a carrier aggregation configuration within a shared band, wherein the selection is between a low transmission power configuration applying a transmission power below a predetermined power threshold without a listen-before-talk approach and a high transmission power configuration applying a transmission power of at least the predetermined power threshold; and upon detecting that the selected transmission power configuration needs to be informed, cause an indication of the selected transmission power configuration to the at least one user terminal and at least one secondary cell.