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Downlink Space–Time Spreading Using Interference Rejection Codes

Wei, H, Yang, L-L. and Hanzo, L (2006) Downlink Space–Time Spreading Using Interference Rejection Codes IEEE Transactions on Vehicular Technology, 55, (6), pp. 1838-1847.

Record type: Article


In this paper, the authors will investigate the performance of a loosely synchronized (LS) code-based space–time spreading (STS) scheme in comparison to that of classic Walsh code and pseudonoise code-based STS when communicating over dispersive Nakagami-m multipath channels. Closed-form formulas are derived for characterizing the bit-error-rate performance as a function of the number of resolvable paths L and the number of users K. Our numerical results suggest that the employment of LS code-based STS scheme is beneficial in a low-user-load and low-dispersion channel scenario, where a near-single-user performance can be achieved without a multiuser detector. Index Terms—Code-division multiple access (CDMA), Gaussian approximation, interference-free window (IFW), large area synchronized (LAS) codes, loosely synchronized (LS) codes, Nakagami-m fading.

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Published date: November 2006
Organisations: Southampton Wireless Group


Local EPrints ID: 263354
ISSN: 0018-9545
PURE UUID: c1b6d2c8-20f8-4622-886f-06ba509bf605
ORCID for L-L. Yang: ORCID iD

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Date deposited: 30 Jan 2007
Last modified: 18 Jul 2017 07:46

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Author: H Wei
Author: L-L. Yang ORCID iD
Author: L Hanzo

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