Abstract: A mobile telecommunications network includes a mobile telecommunications device (1), a plurality of transceiver nodes (5), and control means (21) operable to choose at least one of the transceiver nodes for use by the mobile telecommunications device for uplink communications and to choose at least one of the transceiver nodes for use by the mobile telecommunications device for downlink communications.

Abstract: Embodiments provide beamforming apparatuses, methods and a computer programs for a base station transceiver and a mobile transceiver. An apparatus (10) operable in a base station transceiver (100) of a mobile communication system comprises a transceiver module (12) comprising interfaces to a plurality (15) of antennas. The transceiver module (12) is operable to subdivide the plurality (15) of antennas in a plurality of subgroups using the interfaces, and to form a first beam pattern (16) using one or more antennas of a subgroup. The apparatus (10) further comprises a control module (14), which is operable to transmit a synchronization signal using the transceiver module (12) and the first beam pattern (16). The control module (14) is further operable to receive a response signal after transmission of the synchronization signal from a mobile transceiver (200) using the transceiver module (12), to determine a second beam pattern (18) based on the response signal from the mobile transceiver (200).

Abstract: An apparatus and method for feeding back channel state information are disclosed. The method of providing channel state information for a wireless communications channel provided between a first network node having at least one transmission antenna and a second network node having at least one reception antenna comprises the steps of: estimating a current value of at least a first type of channel state information for at least one sub-channel within the channel from signals received by the at least one reception antenna over the channel from the at least one transmission antenna; determining whether the current value of the first type of channel state information varies from previously-transmitted value for the first type of channel state information by at least a predetermined amount; and if so, transmitting an indicator indicative of the current value for the first type of channel state information to the first network node.

Abstract: A mobile telecommunications network includes a mobile telecommunications device (1), a plurality of transceiver nodes (5), and control means (21) operable to choose at least one of the transceiver nodes for use by the mobile telecommunications device for uplink communications and to choose at least one of the transceiver nodes for use by the mobile telecommunications device for downlink communications.

Abstract: The present invention provides methods implemented in a base station having a plurality of antennas and one or more user terminals. One embodiment of the method includes receiving feedback from at least one user in response to transmitting a first frame to said at least one user. The first frame is formed by pre-coding at least one symbol using at least one first code word selected from at least one first code book associated with the at least one user. The method also includes transmitting at least one second frame to the user(s). The second frame(s) are pre-coded using at least one second codeword selected from at least one second codebook. The second codebook(s) determined based on the feedback and the first codeword(s).

Abstract: The invention relates to a method (MET-T) for transmitting channel feedback information in a wireless communication system. The method (MET-T) contains the steps of determining (M1/5) a first reception quality value (CQI 1) for a first radio channel from a first transmission point (2a) of the radio communication system to an apparatus (4), determining (M1/7) based on the first reception quality value (CQI 1) a preferred use of the first radio channel (6a), and transmitting (M1/8) towards the first transmission point (2a) the first reception quality value (CQI 1) and the first reception quality value (CQI 1) simultaneously indicates the preferred use. The invention further relates to an apparatus for transmitting channel feedback information in the wireless communication system and to a method (MET-R) and apparatus (8) for receiving the channel feedback information in the wireless communication system.

Abstract: Embodiments provide beamforming apparatuses, methods and a computer programs for a base station transceiver and a mobile transceiver. An apparatus (10) operable in a base station transceiver (100) of a mobile communication system comprises a transceiver module (12) comprising interfaces to a plurality (15) of antennas. The transceiver module (12) is operable to subdivide the plurality (15) of antennas in a plurality of subgroups using the interfaces, and to form a first beam pattern (16) using one or more antennas of a subgroup. The apparatus (10) further comprises a control module (14), which is operable to transmit a synchronization signal using the transceiver module (12) and the first beam pattern (16). The control module (14) is further operable to receive a response signal after transmission of the synchronization signal from a mobile transceiver (200) using the transceiver module (12), to determine a second beam pattern (18) based on the response signal from the mobile transceiver (200).

Abstract: Embodiments provide an apparatus, a method and a computer program for the transceiver of a mobile communication system. The apparatus (10) is operable in a first transceiver (100) of a mobile communication system. The apparatus (10) comprises a transceiver module (12) comprising interfaces to a plurality of transmit antennas (15). The transceiver module (12) is operable to subdivide the plurality of transmit antennas (15) in a plurality of subgroups using the interfaces, and to form a set of first beam patterns (16) using one or more transmit antennas of a subgroup. The apparatus (10) further comprises a control module (14) operable to determine information related to a quality of a radio link between the first transceiver (100) and the second transceiver (200). The control module (14) is further operable to determine a second beam pattern (18) for communicating with the second transceiver (200) using two or more beam patterns from the set of first beam patterns (16).

Abstract: The embodiments of the invention relate to a transmitter method for supporting a determination of a set of beamforming weights by a receiver method. The transmitter method contains the steps of allocating a predefined reference signal (REF-SIG-1a, REF-SIG-2a) to at least one group of radio resource units (RRU-G1a, RRU-G2a) of a transmission channel between a first antenna array and a second antenna array,and transmitting said predefined reference signal (REF-SIG-1a, REF-SIG-2a) via the transmission channel from the first antenna array to the second antenna array. The embodiments of the invention further relate to a receiver method for a determination of a set of beamforming weights.

Abstract: An apparatus and method for feeding back channel state information is disclosed. The method is for providing channel state information for a wireless communications channel provided between a first network node having at least one transmission antenna and a second network node having at least one reception antenna. The method comprises the steps of: determining characteristics of each tap resolvable in the time domain of at least one sub-channel within said channel from signals received by said at least one reception antenna over said channel from said at least one transmission antenna; arranging said characteristics into at least one vector; quantizing said at least one vector by selecting one of a plurality of codebook vectors at a first level of a hierarchical codebook of vectors; and providing, to said first network node, an indication of an index to said one of a plurality of codebook vectors.

Abstract: Method, system and application for controlling a program executing within a server from a mobile device. Capturing information describing a user interaction with a user interface of the mobile device. Determining a next user interaction based on the captured information and data describing the user interface. Triggering an event corresponding to the determined next user interaction.

Abstract: The present invention provides methods implemented in a base station having a plurality of antennas and one or more user terminals. One embodiment of the method includes receiving feedback from at least one user in response to transmitting a first frame to said at least one user. The first frame is formed by pre-coding at least one symbol using at least one first code word selected from at least one first code book associated with the at least one user. The method also includes transmitting at least one second frame to the user(s). The second frame(s) are pre-coded using at least one second codeword selected from at least one second codebook. The second codebook(s) determined based on the feedback and the first codeword(s).

Abstract: The invention relates to a method (MET-T) for transmitting channel feedback information in a wireless communication system. The method (MET-T) contains the steps of determining (M1/5) a first reception quality value (CQI 1) for a first radio channel from a first transmission point (2a) of the radio communication system to an apparatus (4), determining (M1/7) based on the first reception quality value (CQI 1) a preferred use of the first radio channel (6a), and transmitting (M1/8) towards the first transmission point (2a) the first reception quality value (CQI 1) and the first reception quality value (CQI 1) simultaneously indicates the preferred use. The invention further relates to an apparatus for transmitting channel feedback information in the wireless communication system and to a method (MET-R) and apparatus (8) for receiving the channel feedback information in the wireless communication system.

Abstract: Embodiments relate to apparatuses, methods, and computer programs for base station transceivers. Embodiments provide an apparatus (10) for a base station transceiver (100) for a mobile communication system (400). The mobile communication system (400) comprises a mobile transceiver (300), which is to be associated to a neighbor base station transceiver (200). The apparatus (10) comprises means for associating (12) the mobile transceiver (300) with the neighbor base station transceiver (200) and means for scheduling (14) a radio resource from a plurality of radio resources for communicating with another mobile transceiver and for determining a subset of radio resources from the plurality of radio resources for enabling a communication between the neighbor base station transceiver (200) and the mobile transceiver (300) prior to associating the mobile transceiver (300) with the neighbor base station transceiver (200). Embodiments provide another apparatus (20) for a base station transceiver (200).

Abstract: The present invention provides methods implemented in a base station having a plurality of antennas and one or more user terminals. One embodiment of the method includes receiving feedback from at least one user in response to transmitting a first frame to said at least one user. The first frame is formed by pre-coding at least one symbol using at least one first code word selected from at least one first code book associated with the at least one user. The method also includes transmitting at least one second frame to the user(s). The second frame(s) are pre-coded using at least one second codeword selected from at least one second codebook. The second codebook(s) determined based on the feedback and the first codeword(s).

Abstract: Embodiments provide an apparatus, a method and a computer program for controlling transmission points in a mobile communication system. The apparatus (10) is operable to control transmission points (200, 210, 220, 230, 240, 250) in a mobile communication system (300). The mobile communication system (300) comprises a plurality of transmission points (200, 210, 220, 230, 240, 250), which are operable to communicate radio signals with a mobile transceiver (400). The apparatus (10) comprises means for forming (12) a cluster (500) of transmission points, the cluster (500) of transmission points comprises multiple transmission points (200, 210), the transmission points (200, 210) of the cluster (500) using a common reference signal.

Abstract: A method is provided, in a wireless communications network comprising a source node, a destination node and at least one relay node, of selecting spatial subchannels for use. The method comprising the steps of: spatially decomposing channels into spatial subchannels; and selecting a subset of the subchannels for use that at least approximately maximises predicted throughput rate.

Abstract: A mobile device of an apparatus in one example is configured to register with a communication network over a wireless interface through employment of a plurality of parameters for the wireless interface. The mobile device is configured to record operational data in real-time. The mobile device is configured to upload the operational data to a network element of the communication network for optimization of the communication network and/or one or more of the plurality of parameters.

Abstract: An apparatus and method for feeding back channel state information is disclosed. The method is for providing channel state information for a wireless communications channel provided between a first network node having at least one transmission antenna and a second network node having at least one reception antenna. The method comprises the steps of: determining characteristics of each tap resolvable in the time domain of at least one sub-channel within said channel from signals received by said at least one reception antenna over said channel from said at least one transmission antenna; arranging said characteristics into at least one vector; quantising said at least one vector by selecting one of a plurality of codebook vectors at a first level of a hierarchical codebook of vectors; and providing, to said first network node, an indication of an index to said one of a plurality of codebook vectors.

Abstract: The present invention provides methods implemented in a base station having a plurality of antennas and one or more user terminals. One embodiment of the method includes receiving feedback from at least one user in response to transmitting a first frame to said at least one user. The first frame is formed by pre-coding at least one symbol using at least one first code word selected from at least one first code book associated with the at least one user. The method also includes transmitting at least one second frame to the user(s). The second frame(s) are pre-coded using at least one second codeword selected from at least one second codebook. The second codebook(s) determined based on the feedback and the first codeword(s).