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.
The invention claims a wireless transmission device comprising a plurality of transmit antennas (18a 18b) and performing spatial multiplexing or without performing spatial multiplexing sending signal in subcarrier units the radio transmitting apparatus comprising: subcarrier modulation unit (11) for modulating the input sending signal in terms of every way sub-carriers and a sending signal modulating part (13) said each sending antenna according to each said subcarrier modulation of the transmission signal and a transmission control unit (12); according to the communication object which means the information received by other wireless communication device of deciding according to every path of sub-carrier multiplexing number for performing spatial multiplexing and transmitting the determined multiplexing number output to the sub-carrier modulation part and the sending signal modulating part. Thereby a maximal throughput in accordance with characteristics of a propagation path can be obtained.
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| Declaration Date | Declaration Reference | Declaring Company | Specification Number | ||||||
| 4G | 04/07/2013 | ISLD-201307-002 | HUAWEI |
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| Not Available | 04/07/2013 | ISLD-201307-002 | HUAWEI |
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| 5G | 15/03/2018 | ISLD-201806-032 | QUALCOMM INC |
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| 5G | 12/09/2019 | ISLD-201912-009 | QUALCOMM INC | No | Family Member | ||||
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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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