Interference cancellation in a spread spectrum communication system

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 6782040
APP PUB NO 20030198284A1
SERIAL NO

10423230

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A code division multiple access communication system transmits a pilot and traffic signal over a shared spectrum. The pilot and traffic signal have an associated code. Signals are received over the shared spectrum. The received signals are sampled. The samples are delayed to produce a window. The window has evenly time spaced samples. Each window sample is despread with a pilot code. A weight for each despread pilot code window sample is determined using an adaptive algorithm. Each window sample is despread with a traffic code. Each despread traffic code window sample is weighted with a corresponding weight of the determined weights. The despread traffic code window sample are combined as data of the traffic signal.

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Patent Owner(s)

  • INTERDIGITAL TECHNOLOGY CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Cheung, Gary Whitestone, NY 10 174
Grieco, Donald Manhassett, NY 24 809
Mesecher, David K Huntington Station, NY 50 730
Reznik, Alexander Princeton, NJ 243 6451

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