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Methods and apparatus for generating and utilizing training codes in a space division multiplexing communication system


Title: Methods and apparatus for generating and utilizing training codes in a space division multiplexing communication system.
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. ...




- Fairfield, CT, US
Inventor: Didier Johannes. R. van Nee
USPTO Applicaton #: #20070058694 - Class: 375142000 (USPTO) - 03/15/07 - Class 375 
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Related Patent Categories: Pulse Or Digital Communications, Spread Spectrum, Direct Sequence, End-to-end Transmission System, Having Correlation-type Receiver
The Patent Description & Claims data below is from USPTO Patent Application 20070058694, Methods and apparatus for generating and utilizing training codes in a space division multiplexing communication system.

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stats Patent Info
Application #
US 20070058694 A1
Publish Date
03/15/2007
Document #
11482316
File Date
07/07/2006
USPTO Class
375142000
Other USPTO Classes
International Class
04B1/00
Drawings
4


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