An efficient blind parameter estimating and detecting algorithm for DSSS signals

The Direct Sequence Spread Spectral (DSSS) communication system has been widely used in military and civilian fields because of its high processing gain, strong ant-jamming and anti-probed capacity, and low intercepted probability. In this paper, an efficient blind parameter estimating and detecting...

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Main Authors: Wei Huang, Huaizong Shao, Shichao Zhang, Xingli Huang, Fan Yang
Format: Conference Proceeding
Language:English
Subjects:
Algorithm design and analysis
Binary phase shift keying
Correlation
Delay
Signal to noise ratio
Spread spectrum communication
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creator Wei Huang
Huaizong Shao
Shichao Zhang
Xingli Huang
Fan Yang
description The Direct Sequence Spread Spectral (DSSS) communication system has been widely used in military and civilian fields because of its high processing gain, strong ant-jamming and anti-probed capacity, and low intercepted probability. In this paper, an efficient blind parameter estimating and detecting algorithm is proposed, which takes advantage of the autocorrelation property of pseudo random code. In this algorithm, the input data is first divided into several blocks, and then the correlation between blocks is worked out. By changing the length of the blocks, a series of different correlation values is obtained. The crest value appears at the period of pseudo random code, and it is utilized to determine whether the DSSS signal exists or not and to estimate the signal's parameters in terms of the interval of crest value. The simulation results demonstrate the good performance of the proposed algorithm.
doi_str_mv 10.1109/ICCPS.2011.6092284
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subjects Algorithm design and analysis
Binary phase shift keying
Correlation
Delay
Signal to noise ratio
Spread spectrum communication
title An efficient blind parameter estimating and detecting algorithm for DSSS signals
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