Abstract
FIELD: radio engineering communication.SUBSTANCE: for data transmission with spatial spreading a transmitting entity (1) encodes and modulates each data packet to obtain a corresponding data symbol block (2) multiplexes the data symbol block onto Ns data symbol streams for transmission over Ns transmission channels of a MIMO channel (3) spatially spreads the Ns data symbol streams with control matrices and (4) spatially processes Ns spread symbol streams for full CSI transmission on Ns eigen modes or partial CSI transmission on Ns spatial channels of the MIMO channel. A receiving entity (1) obtains NR received symbol streams via NR receiving antennae (2) performs receiver spatial processing for full CSI or partial CSI transmission to obtain Ns detected symbol streams (3) spatially despreads the Ns detected symbol streams with the same control matrices used by the transmitting entity to obtain Ns recovered symbol streams and (4) demodulates and decodes each recovered symbol block to obtain a corresponding decoded data packet.EFFECT: high accuracy of transmitting information.24 cl 8 dwg
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Technologies
Multiple-Input Multiple-Output(MIMO)/Massive MIMO Signal Processing
Product
Use Cases
Wireless communication
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