Efficient Correlator for LS Codes Generated from Orthogonal CSS

This paper presents a novel method to correlate loosely synchronized (LS) codes generated from mutually orthogonal complementary sets of sequences (CSS). The proposed correlator significantly reduces the total number of multiplications and additions to be performed, in comparison with straightforwar...

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Bibliographic Details
Published in:IEEE communications letters 2008-10, Vol.12 (10), p.764-766
Main Authors: Perez, M.C., Urena, J., Hernandez, A., Alvarez, F., Jimenez, A., Marziani, C.
Format: Article
Language:English
Subjects:
Applied sciences
Autocorrelation
Cascading style sheets
Code division multiaccess
Computational efficiency
Correlation
Correlators
Detection, estimation, filtering, equalization, prediction
Exact sciences and technology
Information, signal and communications theory
Interchannel interference
Interference
Interference elimination
Miscellaneous
Multiaccess communication
Multiple access interference
Multiplication
Pulse compression methods
sequences
Signal and communications theory
Signal processing
Signal, noise
Telecommunications and information theory
Wireless communication
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Summary:This paper presents a novel method to correlate loosely synchronized (LS) codes generated from mutually orthogonal complementary sets of sequences (CSS). The proposed correlator significantly reduces the total number of multiplications and additions to be performed, in comparison with straightforward correlators. This fast correlator, together with the interference free window that LS codes exhibit, make them a good choice for next generation of Wireless communications.
ISSN:1089-7798
1558-2558
DOI:10.1109/LCOMM.2008.081000