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TRANSCIEVER CALIBRATION FOR LARGE-SCALE AND MASSIVE MIMO DEPLOYMENTS
TRANSCIEVER CALIBRATION FOR LARGE-SCALE AND MASSIVE MIMO DEPLOYMENTS
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机译:大规模和大规模MIMO部署的收发器校准
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摘要
A method and apparatus is disclosed herein for wireless transceiver calibration. In one embodiment, the method for relative calibration of multiple transceiver units for their use for joint transmission from groups of transceiver units to at least one other wireless entity, wherein each transceiver unit includes an antenna element, comprises: exchanging pilots using multiple signaling resource slots, using at least two non-overlapping groups of transceiver units; and performing calibration of transceiver units in the first and second groups of transceiver units, including choosing relative calibration parameters to control calibration and using a metric to assess calibration, where the metric is based on at least one combination of calibration parameters and the observations of each transceiver group in at least two groups of transceiver units based the simultaneous pilot broadcast and subsequent reception between transceiver units in pairs of groups of transceiver units.
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