Abstract
(PROBLEMS) To obtain maximum throughput in accordance with characteristic of the transmission path. (MEANS FOR SOLVING PROBLEMS) A radio transmission device includes a plurality of transmission antennas (18a 18b) and spatially multiplexes the transmission signal on sub-carrier unit or performing transmission without performing spatial multiplex. The radio transmission device includes a sub-carrier modulation unit (11) for modulating the inputted transmission signal for each sub-carrier a transmission signal division unit (13) for dividing the transmission signal modulated for each sub-carrier to each transmission antenna and a transmission control unit (12) for deciding the number of multiplexes for performing spatial multiplex for each sub-carrier according to the information received from another radio communication device as a communication partner and outputting the decided number of multiplexes to the sub-carrier modulation unit and to the transmission signal division unit.
To obtain maximum throughput in accordance with characteristics of a propagation path a radio transmission device having a plurality of transmitting antennas (18a 18b) for transmitting a transmission signal in units of sub-carriers by performing spatial multiplexing or without performing spatial multiplexing is provided that includes a sub-carrier modulation part 11 modulating the input transmission signal for each sub-carrier a transmission signal allocation part 13 allocating the transmission signal modulated for each of the sub-carriers to each of the transmitting antennas and a transmission control part 12 that determines a multiplexing number for performing spatial multiplexing for each sub-carrier based on information received from another radio communication device as an opposite party and outputs the determined multiplexing number to the sub-carrier modulation part and the transmission signal allocation part. Thereby a maximal throughput in accordance with characteristics of a propagation path can be obtained.
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| 4G | 04/07/2013 | ISLD-201307-002 | HUAWEI |
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| Publication No | Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | Status | National Phase Entries | |||||
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Technologies
Resource configuration Multiple-Input Multiple-Output(MIMO)/Massive MIMO Multiplexing
Product
Base Station (eNB/gNB)
Use Cases
Wireless communication
Services
Transmitting/receiving of data channel
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