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Iterative Receiver for DS-CDMA Systems in the Presence of Time-Varying Channels

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Iterative receiver for DS-CDMA systems in the presence of time-varying channels.pdf (919.7Kb)
Date
2008
Author
Doğan, Hakan
Panayırcı, Erdal
Çırpan, Hakan Ali
Cam, Gökhan
Abstract
In this paper we present an efficient iterative receiver structure of tractable complexity for joint multiuser detection and multichannel estimation (JDE) of direct-sequence code-division multiple-access systems operating in the presence of time-varying flat fading channel. The time-varying channel is assumed to be modeled according to a piece-wise constant channel. An optimality criterion is defined and analytical expressions for the corresponding optimized weight coefficients are given. Monte-Carlo simulations of a synchronous scenario show that the proposed JDE receiver have excellent multiuser efficiency and are robust against errors in the estimation of the channel parameters.

Source

2008 IEEE 16th Signal Processing, Communication And Applications Conference, Vols 1 and 2

Pages

428-

URI

https://hdl.handle.net/20.500.12469/1164
https://ieeexplore.ieee.org/document/4632643

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  • Araştırma Çıktıları / WOS [1518]
  • Elektrik-Elektronik Mühendisliği / Electrical - Electronics Engineering [320]

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