Processor-implemented RAKE receiver

Details Processor-implemented RAKE receiver Processor-implemented RAKE receiver

2007-11-20

2007-11-20

Ghebretinsae, Temesghen (Department: 2611)

Pulse or digital communications

Spread spectrum

Direct sequence

Reexamination Certificate

active

10651827

ABSTRACT:
A SWP- (Sub-Word Parallelism-) based RAKE receiver for a Wideband Code-Division Multiple Access (WCDMA) mobile station is optimized to perform channel de-rotation and data combining. The RAKE receiver comprises SIMD (Single Instruction, Multiple Data) instructions, which can perform a complex multiplication for a channel de-rotation in a single cycle. The SIMD instructions can also perform a complex addition for data combining in a single cycle. Optimization of the RAKE receiver reduces power consumption and costs, enhances performance, and provides extensibility for next-generation architectures.

REFERENCES:
patent: 5764687 (1998-06-01), Easton
patent: 6650694 (2003-11-01), Brown et al.
patent: 6788731 (2004-09-01), Kim et al.
patent: 7065128 (2006-06-01), Medlock et al.

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