Pulse or digital communications – Spread spectrum – Direct sequence
Reexamination Certificate
2006-04-11
2006-04-11
Vo, Don N. (Department: 2631)
Pulse or digital communications
Spread spectrum
Direct sequence
C375S150000
Reexamination Certificate
active
07027492
ABSTRACT:
A wireless base station (20). The base station comprises at least one receive antenna (ATRXn) for receiving communication signals from at least one transmitting station (UST), and the signals are spread with a plurality of chips. The base station further comprises circuitry (52) for selecting a set of chips corresponding to a first signal received by the at least one receive antenna and circuitry (60) for forming a set of de-spread chips corresponding to the set of chips and in response to a code. Still further, the base station comprises a functional data path (56) comprising an accumulator for receiving the set of de-spread chips and circuitry for receiving an instruction. The functional data path is operable in response to a first instruction, received by the circuitry for receiving an instruction, to accumulate (621or622) a first number of de-spread chips in the set of de-spread chips for producing at least one corresponding symbol. The functional data path is operable in response to a second instruction, received by the circuitry for receiving an instruction, to accumulate (623) a second number of de-spread chips in the set of de-spread chips for producing an EOL measure.
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Bertrand Pierre
Biscondi Eric
Honore Frank
Sriram Sundararajan
Brady III Wade James
Neerings Ronald O.
Telecky , Jr. Frederick J.
Texas Instruments Incorporated
Vo Don N.
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