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Sample-Spaced and Fractionally-Spaced CIR Estimation Aided Decision Directed Channel Estimation for OFDM and MC-CDMA

Record type: Conference or Workshop Item (Paper)

The achievable performance of decision-directed channe estimation (DDCE) is analysed in the context of both OFDM and MC CDMA systems. Two different estimation methods suitable for both OFDM and MC-CDMA systems are considered, which employ sample spaced (SS) as well as fractionally-spaced (FS) a posteriori channe impulse response (CIR) estimators. The performance of both estimation methods is compared and it is shown that the DDCE scheme employing the FS-CIR estimator outperforms its SS-CIR estimator-based counter part. Furthermore, the FS-CIR estimator-based method exhibits higher robustness to various channel parameters such as the channel’s roo mean square delay spread. Finally, it is shown that the MC-CDMA system employing the channel estimation scheme advocated outperform its OFDM counterpart.

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Citation

Akhtman, J. and Hanzo, L. (2005) Sample-Spaced and Fractionally-Spaced CIR Estimation Aided Decision Directed Channel Estimation for OFDM and MC-CDMA At IEEE VTC'05 (Fall), United States. 25 - 28 Sep 2005. , pp. 1916-1920.

More information

Published date: 2005
Additional Information: Event Dates: 25-28 September 2005
Venue - Dates: IEEE VTC'05 (Fall), United States, 2005-09-25 - 2005-09-28
Organisations: Southampton Wireless Group

Identifiers

Local EPrints ID: 260876
URI: http://eprints.soton.ac.uk/id/eprint/260876
PURE UUID: 2d97f19b-06e7-4328-9dca-4f2c5ac78d01

Catalogue record

Date deposited: 16 May 2005
Last modified: 18 Jul 2017 09:08

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Contributors

Author: J. Akhtman
Author: L. Hanzo

University divisions


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