Sub-optimal iterative receiver method and system for a...

Details Sub-optimal iterative receiver method and system for a... Sub-optimal iterative receiver method and system for a...

2007-11-20

2007-11-20

Payne, David C. (Department: 2611)

Pulse or digital communications

Spread spectrum

Direct sequence

C375S348000

Reexamination Certificate

active

10488827

ABSTRACT:
A reception method and receiver structure that are relatively simple, that have close to optimum performance, and that use high order modulation combined with a low spreading factor are disclosed. The method receives a signal transmittal in the form of sequences of coded binary symbols comprising both predefined pilot symbols and date symbols multiplied by a spreading sequence. The method also includes a step of determining a channel estimate using received predefined pilot symbols. A system for receiving a signal transmitted on a multipath transmission channel using a spread spectrum technique and low spreading factor is also disclosed.

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