Abstract
TRANSMISSION DIVERSITY AND SPACE SPREADING FOR OFDM-BASED MULTI-ANTENNA COMMUNICATION SYSTEM A multi-antenna transmitting entity transmits data to a single antenna or multiple antenna receiving entity using (1) a directed mode to guide data transmission. towards the receiving entity or (2) a pseudorandom transmission direction (PRST) mode to randomize the effective channels observed by data transmission over the subbands. PRTS mode can be used to obtain transmission diversity or spatial spread. For transmission diversity, the transmission entity uses different pseudorandom direction vectors across the subbands but the same direction vector through a packet for each subband. The receiving entity need not be aware of pseudorandom direction vectors or perform any special processing. For spatial spreading, the transmitting entity uses different pseudorandom direction vectors across the subbands and different direction vectors across the packet for each subband. Only the receiving and transmitting entities know the direction vectors used for data transmission.
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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
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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
No claims available.
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SUMMARY
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Explicitly disclosed patent:openly and comprehensibly describes all details of the invention in the patent document.
Implicitly disclosed patent:does not explicitly state certain aspects of the invention, but still allows for these to be inferred from the information provided.
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Family member:related patents or applications that share a common priority or original filing.