A new MAP channel decoder trellis path metric for a CDMA mobile subject to channel estimation errors

Messier, Geoffrey G.; Krzymien, W.A.

doi:10.1109/icc.2004.1313055

2004 IEEE International Conference on Communications (IEEE Cat. No.04CH37577) 2004

DOI: 10.1109/icc.2004.1313055

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A new MAP channel decoder trellis path metric for a CDMA mobile subject to channel estimation errors

Geoffrey G. Messier

W.A. Krzymien

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2008

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“…The proposed algorithm is modified version of the conventional algorithm [7]. The proposed algorithm is derived based on the probability density function as done in [13], [14].…”

mentioning

confidence: 99%

Novel Detection Algorithm of IDMA System under Channel Estimation Error

Jang

Choi

Lee

2008

2008 IEEE 68th Vehicular Technology Conference

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Abstract-In this paper, we propose a novel detection algorithm for the elementary signal estimator of an IDMA system considering channel estimation error. To develop the algorithm, we derive new probability density function of decision variable reflecting channel estimation error and modify the conventional algorithm based on it. Through computer simulations, it is shown that the proposed algorithm achieves lower bit error rate than the conventional one. This performance enhancement is provided with negligible increase of its computational complexity.Index Terms-IDMA system, Channel estimation error, Elementary signal estimator.

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“…The proposed algorithm is modified version of the conventional algorithm [7]. The proposed algorithm is derived based on the probability density function as done in [13], [14].…”

mentioning

confidence: 99%

Novel Detection Algorithm of IDMA System under Channel Estimation Error

Jang

Choi

Lee

2008

2008 IEEE 68th Vehicular Technology Conference

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show abstract

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A new MAP channel decoder trellis path metric for a CDMA mobile subject to channel estimation errors

Cited by 1 publication

References 7 publications

Novel Detection Algorithm of IDMA System under Channel Estimation Error

Novel Detection Algorithm of IDMA System under Channel Estimation Error

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