Method, system and apparatus for generating constant...

Details Method, system and apparatus for generating constant... Method, system and apparatus for generating constant...

2011-06-21

2011-06-21

Flores, Leon (Department: 2611)

Pulse or digital communications

Receivers

Particular pulse demodulator or detector

C375S267000, C375S295000, C375S299000, C375S316000, C455S101000, C455S132000, C455S296000, C455S500000, C370S334000, C370S342000

Reexamination Certificate

active

07965797

ABSTRACT:
A method, system and apparatus for generating a constant amplitude zero autocorrelation (CAZAC) sequence to be transmitted on a wireless communication channel between a user equipment and a base station within a cellular communication network includes iteratively calculating elements of the CAZAC sequence according to a CAZAC sequence formula until a number of iterations has reached a predetermined iteration value determined in accordance with a number of subcarriers associated with the channel; obtaining a value of particular elements of the CAZAC sequence from a table of stored values at predetermined reset iteration values in order to limit error propagation; and generating the reference signal based upon the elements of the CAZAC sequence. The CAZAC sequence formula is one of a Chu sequence, Frank-Zadoff sequence, Zadoff-Chu (ZC) sequence, and Generalized Chirp-Like (GCL) Sequence.

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patent: 2008/0310383 (2008-12-01), Kowalski
patent: 2009/0067318 (2009-03-01), Kowalski
patent: 2009/0110034 (2009-04-01), Kowalski
patent: WO2007082408 (2007-07-01), None
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patent: WO2007124451 (2007-11-01), None
patent: WO2007126793 (2007-11-01), None
patent: WO2007127902 (2007-11-01), None

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