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Effect of Diversity Techniques on Performance of OFDM-CDMA Based Broadband Wireless Access Networks
Young-Hwan YOU Won-Gi JEON Jung-Wook WEE Hyeok-Koo JUNG
IEICE TRANSACTIONS on Communications
Publication Date: 2003/04/01
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Wireless Communication Technology
broadband wireless access network, OFDM-CDMA, diversity,
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This letter investigates an effect of diversity techniques on the performance of OFDM-CDMA based broadband wireless access networks and evaluates the maximum achievable diversity gain for a two-path Rayleigh fading environment. Simulation results show that the OFDM-CDMA system applying a space-time-frequency diversity with a full-rate full diversity code can give the diversity of D=4 and D=8 for both multi-user cases of maximum user and half user capacities, respectively.