Adaptive PSP-MLSE receiver for GSM/EDGE system in fast multipath fading channels

Zhenhong Li, Aarne Mämmelä

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

4 Citations (Scopus)

Abstract

An adaptive MLSE receiver based on per-survivor processing (PSP-MLSE) for the GSM/EDGE system with 8PSK modulation is presented. The initial channel impulse response is estimated by the LS algorithm with a training midamble sequence. The PSP-MLSE is in conjunction with the LMS algorithm to track the fast time-varying channel. Based on the EDGE burst structure, the second part of the data stream is tracked forwards while the first part is tracked backwards in order to improve the performance in rapidly changing channels. Computer simulations indicate that the PSP-MLSE is clearly superior to the conventional adaptive MLSE (CA-MLSE), especially, at high velocities. Moreover, the loss due to the estimation error is also presented by measuring the ideal system performance. Furthermore, the termination effect of the Viterbi algorithm is also discussed.
Original languageEnglish
Title of host publication2000 IEEE International Conference on Personal Wireless Communications
PublisherInstitute of Electrical and Electronic Engineers IEEE
Pages184-188
ISBN (Print)0-7803-5893-7
DOIs
Publication statusPublished - 6 Aug 2002
MoE publication typeA4 Article in a conference publication
EventIEEE International Conference on Personal Wireless Communications -
Duration: 17 Dec 200020 Dec 2000

Conference

ConferenceIEEE International Conference on Personal Wireless Communications
Period17/12/0020/12/00

Fingerprint

Multipath fading
Global system for mobile communications
Fading channels
Viterbi algorithm
Impulse response
Error analysis
Modulation
Computer simulation
Processing

Keywords

  • GSM
  • Fading
  • Computer simulation
  • Least squares approximation
  • Maxium likehood estimation
  • Delay estimation
  • Phase shift keying
  • Viterbi algorithm

Cite this

Li, Z., & Mämmelä, A. (2002). Adaptive PSP-MLSE receiver for GSM/EDGE system in fast multipath fading channels. In 2000 IEEE International Conference on Personal Wireless Communications (pp. 184-188). Institute of Electrical and Electronic Engineers IEEE. https://doi.org/10.1109/ICPWC.2000.905799
Li, Zhenhong ; Mämmelä, Aarne. / Adaptive PSP-MLSE receiver for GSM/EDGE system in fast multipath fading channels. 2000 IEEE International Conference on Personal Wireless Communications. Institute of Electrical and Electronic Engineers IEEE, 2002. pp. 184-188
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Li, Z & Mämmelä, A 2002, Adaptive PSP-MLSE receiver for GSM/EDGE system in fast multipath fading channels. in 2000 IEEE International Conference on Personal Wireless Communications. Institute of Electrical and Electronic Engineers IEEE, pp. 184-188, IEEE International Conference on Personal Wireless Communications, 17/12/00. https://doi.org/10.1109/ICPWC.2000.905799

Adaptive PSP-MLSE receiver for GSM/EDGE system in fast multipath fading channels. / Li, Zhenhong; Mämmelä, Aarne.

2000 IEEE International Conference on Personal Wireless Communications. Institute of Electrical and Electronic Engineers IEEE, 2002. p. 184-188.

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

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N2 - An adaptive MLSE receiver based on per-survivor processing (PSP-MLSE) for the GSM/EDGE system with 8PSK modulation is presented. The initial channel impulse response is estimated by the LS algorithm with a training midamble sequence. The PSP-MLSE is in conjunction with the LMS algorithm to track the fast time-varying channel. Based on the EDGE burst structure, the second part of the data stream is tracked forwards while the first part is tracked backwards in order to improve the performance in rapidly changing channels. Computer simulations indicate that the PSP-MLSE is clearly superior to the conventional adaptive MLSE (CA-MLSE), especially, at high velocities. Moreover, the loss due to the estimation error is also presented by measuring the ideal system performance. Furthermore, the termination effect of the Viterbi algorithm is also discussed.

AB - An adaptive MLSE receiver based on per-survivor processing (PSP-MLSE) for the GSM/EDGE system with 8PSK modulation is presented. The initial channel impulse response is estimated by the LS algorithm with a training midamble sequence. The PSP-MLSE is in conjunction with the LMS algorithm to track the fast time-varying channel. Based on the EDGE burst structure, the second part of the data stream is tracked forwards while the first part is tracked backwards in order to improve the performance in rapidly changing channels. Computer simulations indicate that the PSP-MLSE is clearly superior to the conventional adaptive MLSE (CA-MLSE), especially, at high velocities. Moreover, the loss due to the estimation error is also presented by measuring the ideal system performance. Furthermore, the termination effect of the Viterbi algorithm is also discussed.

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Li Z, Mämmelä A. Adaptive PSP-MLSE receiver for GSM/EDGE system in fast multipath fading channels. In 2000 IEEE International Conference on Personal Wireless Communications. Institute of Electrical and Electronic Engineers IEEE. 2002. p. 184-188 https://doi.org/10.1109/ICPWC.2000.905799