Joint Data Detection and Phase Recovery for Downlink MC-2D-CDMA Systems
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Fa, R and Xiao, P (2009) Joint Data Detection and Phase Recovery for Downlink MC-2D-CDMA Systems IEEE Transactions on Communications, 57 (9). pp. 2782-2789.
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Official URL: http://dx.doi.org/10.1109/TCOMM.2009.09.080131
Abstract
The performance of a downlink synchronous MCCDMA system with joint frequency-time domain spreading (MC-2D-CDMA) is investigated in this paper. We propose a two dimensional adaptive minimum mean square error (MMSE) receiver, which works in decision-directed mode after an initial training period. A subcarrier phase tracker, which comprises a bank of phase locked-loops (PLLs), is employed in the receiver to track the fading phase variability. Furthermore, a simplified phase tracker structure is proposed to reduce the system complexity. The performance of the data detector and the behavior of the phase tracker are analyzed theorectically in this paper and are shown to match the simulation results. Both analysis and simulation indicate that the proposed system outperforms the conventional MC-DS-CDMA systems by exploiting frequency diversity and facilitating subcarrier synchronization.
| Item Type: | Article | |||||||||
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| Divisions : | Faculty of Engineering and Physical Sciences > Electronic Engineering > Centre for Communication Systems Research | |||||||||
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| Date : | 1 September 2009 | |||||||||
| DOI : | 10.1109/TCOMM.2009.09.080131 | |||||||||
| Uncontrolled Keywords : | MC-2D-CDMA, adaptive receiver, two dimensional spreading, phase locked loops, frequency-selective Rayleigh fading. | |||||||||
| Additional Information : | © 2009 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works. | |||||||||
| Depositing User : | Symplectic Elements | |||||||||
| Date Deposited : | 08 Mar 2012 14:41 | |||||||||
| Last Modified : | 31 Oct 2017 14:29 | |||||||||
| URI: | http://epubs.surrey.ac.uk/id/eprint/290337 |
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