Abstract
a multi-antenna emitting entity to a single-antenna or multi-antenna receiving entity emitting data (1) adopting guide mode to the data transmission toward the receiving entity or (2) adopts pseudorandom emitting steering (PRTS) mode to the effective channel of the data transmission across the subbands is observed is randomized. PRTS mode can be used to realize the emitting diversity or spatial spreading. For transmit diversity emitting entity on the plurality of subbands using different pseudorandom steering vectors but for currently used for each sub-band the same steering vector. receiving entity does not need to know the pseudorandom steering vectors or does not need to perform any special processing. For spatial spreading the emitting entity on the plurality of subbands using different pseudorandom steering vectors and for packets used by each sub-band different steering vectors. only the emitting and receiving entities know the steering vectors for performing data transmission.
A multi-antenna transmitting entity transmits data to a single-or multi-antenna receiving entity using (1) a steered mode to direct the data transmission toward the receiving entity or (2) a pseudo-random transmit steering (PRTS) mode to randomize the effective channels observed by the data transmission across the subbands. The PRTS mode may be used to achieve transmit diversity or spatial spreading. For transmit diversity the transmitting entity uses different pseudo-random steering vectors across the subbands but the same steering vector across a packet for each subband. The receiving entity does not need to have knowledge of the pseudo-random steering vectors or perform any special processing. For spatial spreading the transmitting entity uses different pseudo-random steering vectors across the subbands and different steering vectors across the packet for each subband. Only the transmitting and receiving entities know the steering vectors used for data transmission.
| Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | |||||
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| Declaration Date | Declaration Reference | Declaring Company | Specification Number | ||||||
| 5G | 11/12/2018 | ISLD-201812-052 | QUALCOMM INC | No | Family Member | ||||
Specification Information
Specification Information
Technologies
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Technologies
Resource configuration Multiple-Input Multiple-Output(MIMO)/Massive MIMO
Product
User Equipment (UE/Terminal)
Use Cases
Wireless communication
Services
Transmitting/receiving of data channel
Claim
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SUMMARY
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Patent number:CN100586041C
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