Space-time multipath searcher

Details Space-time multipath searcher Space-time multipath searcher

2004-04-12

2009-02-17

Jackson, Blane J (Department: 2618)

Multiplex communications

Communication over free space

Having a plurality of contiguous regions served by...

C455S273000, C455S278100, C455S562100, C375S343000

Reexamination Certificate

active

07492741

ABSTRACT:
The present invention provides a method of multipath searching using a signal transmitted by a source and received by a plurality of antennae. The method includes subjecting at least one control bit in at least one received signal to temporal processing, subjecting the at least one control bit in the received signal to spatial processing, and determining a time delay and a direction associated with the source based upon the temporal processing and the spatial processing.

REFERENCES:
patent: 6108323 (2000-08-01), Gray
patent: 7181244 (2007-02-01), Judson et al.
patent: 7321645 (2008-01-01), Lee et al.
patent: 2004/0009791 (2004-01-01), Hiramatsu
patent: 2004/0165684 (2004-08-01), Ketchum et al.
patent: 2005/0113141 (2005-05-01), Felter

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