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DS-CDMA Noncoherent Receiver with PN Code Tracking

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IJCA Proceedings on International Conference and workshop on Emerging Trends in Technology (ICWET 2012)
© 2012 by IJCA Journal
icwet2012 - Number 5
Year of Publication: 2012
Authors:
Sonali Kathare
Suman Wadkar
Sanjeevkumar Srivastava

Sonali Kathare, Suman Wadkar and Sanjeevkumar Srivastava. Article: DS-CDMA Noncoherent Receiver with PN Code Tracking. IJCA Proceedings on International Conference and workshop on Emerging Trends in Technology (ICWET 2012) icwet(5):26-31, March 2012. Full text available. BibTeX

@article{key:article,
	author = {Sonali Kathare and Suman Wadkar and Sanjeevkumar Srivastava},
	title = {Article: DS-CDMA Noncoherent Receiver with PN Code Tracking},
	journal = {IJCA Proceedings on International Conference and workshop on Emerging Trends in Technology (ICWET 2012)},
	year = {2012},
	volume = {icwet},
	number = {5},
	pages = {26-31},
	month = {March},
	note = {Full text available}
}

Abstract

In this paper, a noncoherent receiver with PN code tracking for direct sequence code division multiple access (DS-CDMA) communication systems in multipath channels is proposed and analyzed. The decision-feedback differential detection method is employed to detect PSK signals. In this method an “error signal” is used to update the tap weights and the estimated code delay. By increasing the number of feedback symbols we can improve the performance of the proposed noncoherent receiver. With the large number of feedback symbols, the optimum weight can be derived analytically, and the performance of the proposed noncoherent receiver matches to that of the conventional coherent receiver. Simulations are shown in support.

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