Method And Apparatus For Group Transmissions From Multiple Users To A Mobile Telecommunications Network
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Accused Products
Abstract
Methods and devices are proposed for enabling group transmission of data from a group of devices to a base station of a mobile telecommunications network. In order to enable beamforming for each of the group of devices, a plurality of unique antenna identifiers is assigned to each transmit antenna of the devices forming the beamforming group. The antenna identifiers are communicated to the base station. Each device of the beamforming group then transmits sounding reference signals to the base station with each transmit antenna identified with a unique identifier. The individual devices then receive respective beamforming precoding information, for each antenna identified with the unique antenna identifier, generated in response to a respective sounding reference signal from the base station. The devices then utilize the respective precoding information to transmit data to the base station as part of a joint beamforming transmission from the group of devices.
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Citations
52 Claims
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1-40. -40. (canceled)
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41. A method, in a first device, for transmitting data wirelessly to a base station of a mobile telecommunications network, the method comprising:
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assigning a unique antenna identifier to each transmit antenna comprised in devices of a beamforming group, the beamforming group consisting of a plurality of devices including the first device, wherein the beamforming group is assigned a single group identifier for use by the group; communicating the unique antenna identifiers to the other devices of the beamforming group and to the base station, wherein each antenna identifier is unique within the beamforming group and indicated to be associated to the beamforming group with the single group identifier; sending a sounding reference signal to the base station with antennas of the first device identified by the antennas identities; receiving beamforming precoding information from the base station, the beamforming precoding information relating at least to the first device, wherein the precoding information comprises precoding data for the transmit antennas to generate beamforming when performing a group transmission associated with the group identifier; utilizing the beamforming precoding information to transmit data to the base station in a beamforming transmission as part of a joint transmission of the data by a plurality of devices of the beamforming group. - View Dependent Claims (42, 43, 44, 45, 46)
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47. A method, in a device, for transmitting data to a base station of a mobile telecommunications network, the method comprising:
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receiving assigned antenna identifiers for transmit antennas comprised in the device from a coordinating device, wherein the device is comprised in a beamforming group, wherein the beamforming group is assigned a single group identifier for use by the group; sending a sounding reference signal to the base station with antennas identified by the antenna identifiers, wherein each antenna identifier is unique within the beamforming group and indicated to be associated to the beamforming group with the single group identifier; receiving beamforming precoding information, wherein the precoding information comprises precoding data for the transmit antennas to generate beamforming when performing a group transmission associated with the group identifier; and utilizing the beamforming precoding information to transmit data to the base station in a beamforming transmission as part of a joint transmission of the data by a beamforming group, the beamforming group comprising a plurality of devices including the device and the coordinating device. - View Dependent Claims (48)
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49. A first device configured for transmitting data to a base station of a mobile telecommunications network, the device comprising:
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processing circuitry; memory containing instructions executable by the processing circuitry whereby the first device is operative to; assign a unique antenna identifier to each transmit antenna comprised in devices of a beamforming group, the beamforming group consisting of a plurality of devices including the first device, wherein the beamforming group is assigned a single group identifier for use by the group; communicate the unique antenna identifiers to the other devices of the beamforming group and to the base station wherein each antenna identifier is unique within the beamforming group and indicated to be associated to the beamforming group with the single group identifier; send a sounding reference signal to the base station with the transmit antennas of the first device identified by the antenna identifiers; receive beamforming precoding information from the base station, the beamforming precoding information relating to at least the first device, wherein the precoding information comprises precoding data for the transmit antennas to generate beamforming when performing a group transmission associated with the group identifier; and utilize the beamforming precoding information to transmit data to the base station in a beamforming transmission as part of a joint transmission of the data by the beamforming group. - View Dependent Claims (50)
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51. A device configured for transmitting data to a base station of a mobile telecommunications network, the device comprising:
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processing circuitry; memory containing instructions executable by the processing circuitry whereby the device is operative to; receive antenna identifiers assigned to transmit antennas comprised in the device from a coordinating device, wherein the device is comprised in a beamforming group comprising a plurality of devices including the device and the coordinating device and wherein the beamforming group is assigned a single group identifier for use by the group; send a sounding reference signal to the base station with the transmit antenna of the device identified by the antenna identifiers, wherein each antenna identifier is unique within the beamforming group and indicated to be associated to the beamforming group with the single group identifier; receive beamforming precoding information, wherein the precoding information comprises precoding data for the transmit antennas to generate beamforming when performing a group transmission associated with the group identifier; and utilize the beamforming precoding information to transmit data to the base station in a beamforming transmission as part of a joint transmission of the data by the beamforming group. - View Dependent Claims (52)
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Specification