Method of searching for a bursty signal
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United States of America Patent
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Feb 2, 1999
Issued Date -
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app pub date -
Mar 4, 1997
filing date -
Sep 30, 1994
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Abstract
An integrated search processor used in a modem for a spread spectrum communications system buffers receive samples and utilizes a time sliced transform processor operating on successive offsets from the buffer. The search processor autonomously steps through a search as configured by a microprocessor specified search parameter set, which can include the group of antennas to search over, the starting offset and width of the search window to search over, and the number of Walsh symbols to accumulate results at each offset. The search processor calculates the correlation energy at each offset, and presents a summary report of the best paths found in the search to use for demodulation element reassignment. The search is done in a linear fashion independent of the probability that a signal being searched for was transmitted at any given time.
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- 15 United States
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Patent Owner(s)
- QUALCOMM INCORPORATED
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- [Patents Count]
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Easton, Kenneth D | San Diego, CA | 13 | 1026 |
Levin, Jeffrey A | San Diego, CA | 44 | 2010 |
Padovani, Roberto | San Diego, CA | 128 | 13323 |
Ziv, Noam A | San Diego, CA | 32 | 1719 |
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