Methods and apparatus for generating and utilizing training...

Details Methods and apparatus for generating and utilizing training... Methods and apparatus for generating and utilizing training...

2006-08-29

2006-08-29

Nguyen, Chau (Department: 2616)

Multiplex communications

Generalized orthogonal or special mathematical techniques

Particular set of orthogonal functions

C375S231000, C375S299000

Reexamination Certificate

active

07099269

ABSTRACT:
A communication system is disclosed that comprises first and second communication apparatus. The first communication apparatus is provided with a transmitter for each of the transmission paths, which are capable of sending at least part of a communication signal to the second communication apparatus. The first communication apparatus moreover comprises training mechanisms for generating a training code to be sent to the second communication apparatus enabling a receiver to match a received signal to a corresponding transmitted signal. According to the invention, a training code is used with at least nearly ideal cyclic auto-correlation properties such that its cyclic auto-correction function is at least nearly zero for all cyclic shifts. The transmitter concurrently sends a training code in a mutually shifted manner, while the receiver is capable of performing a cyclic auto-correlation with respect to a received training signal.

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European Search dated May 18, 2001.
Haradah et al., “Parallel Transmission Scheme Using Cyclic Modified M-Sequence CDM For Broadband Mobile Communications”, publication date of Jun. 8, 1997, pp. 929-933.

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