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Joint Transmitter–Receiver Frequency-Domain Equalization in Generalized Multicarrier Code-Division Multiplexing Systems

Joint Transmitter–Receiver Frequency-Domain Equalization in Generalized Multicarrier Code-Division Multiplexing Systems
Joint Transmitter–Receiver Frequency-Domain Equalization in Generalized Multicarrier Code-Division Multiplexing Systems
Joint transmitter–receiver optimization in generalized multicarrier code-division multiplexing (GMC-CDM) systems is investigated in this paper. The optimization consists of a one-tap post-frequency-domain equalizer (post-FDE) and a one–tap pre-FDE. While the one-tap post-FDE is optimized under the criterion of minimum mean square error (MMSE), the one-tap pre-FDE is achieved through three stages of optimization, which are operated at different levels and motivated to achieve, possibly, different objectives, including maximum throughput and maximum reliability. Specifically, in our three-stage pre-FDE, the first-stage pre-FDE is operated at the symbol level, concerning only the symbols within a group. The second-stage pre-FDE is carried out at the group level for harmonization among the groups. Finally, the third-stage pre-FDE handles group partition. In this paper, the error and throughput performance of the GMC-CDM systems is investigated when assuming communications over frequency-selective Rayleigh fading channels. It can be shown that the reliability or throughput of the GMC-CDM systems can be significantly improved by employment of the proposed pre- and post-FDE schemes. Furthermore, the pre- and post-FDE algorithms obtained can be implemented with high flexibility, which facilitates a GMC-CDM system to achieve a good tradeoff between its throughput and reliability.
0018-9545
3786-3797
Liu, Tingting
88a2fd8d-bd0b-413f-9e71-8a706023ffa3
Yang, Chenyang
b189df03-b59c-4d93-9729-54db02bc2b74
Yang, Lie-Liang
ae425648-d9a3-4b7d-8abd-b3cfea375bc7
Liu, Tingting
88a2fd8d-bd0b-413f-9e71-8a706023ffa3
Yang, Chenyang
b189df03-b59c-4d93-9729-54db02bc2b74
Yang, Lie-Liang
ae425648-d9a3-4b7d-8abd-b3cfea375bc7

Liu, Tingting, Yang, Chenyang and Yang, Lie-Liang (2010) Joint Transmitter–Receiver Frequency-Domain Equalization in Generalized Multicarrier Code-Division Multiplexing Systems. IEEE Transactions on Vehicular Technology, 59 (8), 3786-3797.

Record type: Article

Abstract

Joint transmitter–receiver optimization in generalized multicarrier code-division multiplexing (GMC-CDM) systems is investigated in this paper. The optimization consists of a one-tap post-frequency-domain equalizer (post-FDE) and a one–tap pre-FDE. While the one-tap post-FDE is optimized under the criterion of minimum mean square error (MMSE), the one-tap pre-FDE is achieved through three stages of optimization, which are operated at different levels and motivated to achieve, possibly, different objectives, including maximum throughput and maximum reliability. Specifically, in our three-stage pre-FDE, the first-stage pre-FDE is operated at the symbol level, concerning only the symbols within a group. The second-stage pre-FDE is carried out at the group level for harmonization among the groups. Finally, the third-stage pre-FDE handles group partition. In this paper, the error and throughput performance of the GMC-CDM systems is investigated when assuming communications over frequency-selective Rayleigh fading channels. It can be shown that the reliability or throughput of the GMC-CDM systems can be significantly improved by employment of the proposed pre- and post-FDE schemes. Furthermore, the pre- and post-FDE algorithms obtained can be implemented with high flexibility, which facilitates a GMC-CDM system to achieve a good tradeoff between its throughput and reliability.

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Published date: October 2010
Organisations: Southampton Wireless Group

Identifiers

Local EPrints ID: 272640
URI: http://eprints.soton.ac.uk/id/eprint/272640
ISSN: 0018-9545
PURE UUID: 97026e23-4654-4f9d-b7c9-e979e68abe6b
ORCID for Lie-Liang Yang: ORCID iD orcid.org/0000-0002-2032-9327

Catalogue record

Date deposited: 05 Aug 2011 16:54
Last modified: 20 Jul 2019 01:12

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Contributors

Author: Tingting Liu
Author: Chenyang Yang
Author: Lie-Liang Yang ORCID iD

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