Adaptive multiuser detection for DS-CDMA systems

Jacek Falkiewicz

doi:10.1117/12.569066

22 July 2004 Adaptive multiuser detection for DS-CDMA systems

Jacek Falkiewicz

Proceedings Volume 5484, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments II; (2004) https://doi.org/10.1117/12.569066
Event: Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments II, 2003, Wilga, Poland

Abstract

In this paper, two linear adaptive multiuser detection schemes are presented. An adaptive MMSE detector and a blind adaptive multiuser detector belong to a class of suboptimal linear detection schemes. The strength of these adaptive solutions consists in very attractive trade-off between peformance of the detectors and their requirements regarding knowledge of parameters of the desired user as well as other users. Relatively low computational complexity of such detection algorithms is also the benefit. In order to show a performance advantage of the adaptive detectors over a classical matched filter solution (commonly applying in exiting CDMA systems), a computer simulations are carried out. They demonstrate that the adaptive linear detectors can be recognized as powerful multiuser detection tools.

Citation Download Citation

Jacek Falkiewicz "Adaptive multiuser detection for DS-CDMA systems", Proc. SPIE 5484, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments II, (22 July 2004); https://doi.org/10.1117/12.569066

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KEYWORDS

Sensors

Signal detection

Receivers

Detection and tracking algorithms

Signal to noise ratio

Digital filtering

Telecommunications

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