Multistage reception of code division multiple access...

Details Multistage reception of code division multiple access... Multistage reception of code division multiple access...

2007-03-14

2009-12-08

Pham, Chi H (Department: 2416)

Multiplex communications

Communication over free space

Having a plurality of contiguous regions served by...

C455S063100, C455S278100, C455S296000

Reexamination Certificate

active

07630344

ABSTRACT:
Reducing multiple access interference in the radio frequency communications path between the network base station and UE. The preferred methods include interleaving STAP and MUD in a plurality of stages in a base station receiver. Specific embodiments accomplish this by selecting certain UE connections for MUD processing by stage. Then, in two or more stages, demodulating the UE connections selected for MUD processing using STAP, and MUD canceling UE connections selected for MUD processing. Within the latency requirements of the network, preferred embodiments of the present invention also command a transmit power for each UE connections in order to exploit the effect of interleaved STAP and MUD processing.

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