COMMUNICATIONS RECEIVER WITH CHANNEL IDENTIFICATION USING A-PRIORI GENERATED GAIN VECTORS AND ASSOCIATED METHODS

COMMUNICATIONS RECEIVER WITH CHANNEL IDENTIFICATION USING A-PRIORI GENERATED GAIN VECTORS AND ASSOCIATED METHODS

A communications receiver includes an antenna, and a burst signal acquisition circuit coupled to the antenna to detect a burst signal received over a wireless communications channel. The burst signal has a burst structure that includes channel-corrupted known preamble bits, channel-corrupted known p...

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Hauptverfasser: NIETO JOHN WESLEY, SHAVER JOSEPH B, SNOOK MICHAEL PATRICK
Format: Patent
Sprache:eng
Schlagworte:
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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creator NIETO JOHN WESLEY
SHAVER JOSEPH B
SNOOK MICHAEL PATRICK
description A communications receiver includes an antenna, and a burst signal acquisition circuit coupled to the antenna to detect a burst signal received over a wireless communications channel. The burst signal has a burst structure that includes channel-corrupted known preamble bits, channel-corrupted known probe bits and channel-corrupted unknown data bits. A channel estimator is coupled to the burst signal acquisition circuit to generate a-priori a gain vector based on uncorrupted known probe bits, and to perform a recursive least squares (RLS) operation to determine an impulse response of the wireless communications channel based on the channel-corrupted known probe bits and the gain vector. A maximum likelihood sequence estimator (MLSE) or equalizer is coupled to the channel estimator and the burst signal acquisition circuit.
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subjects ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
title COMMUNICATIONS RECEIVER WITH CHANNEL IDENTIFICATION USING A-PRIORI GENERATED GAIN VECTORS AND ASSOCIATED METHODS
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