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Initial performance evaluation on TD-SCDMA long term evolution system
Liu G.; Zhu J.; Jiang F.; Zhou B.; Wang Y.; Zhang P.
2006-12-01
Source PublicationIEEE Vehicular Technology Conference
Volume2
Pages718-722
AbstractAs the evolution of 3G, Long Term Evolution (LTE) standardization activity is issued in 3GPP and 3GPP2. In [1], OFDMA is proposed for downlink of LTE. As the channel reciprocity can be obtained in TD-SCDMA LTE system, the Channel Status Information (CSI) can be exploited at the transmitter to obtain the spatial-frequency multiuser diversity by joint spatial-frequency subcarrier and antenna assignment of MIMO OFDMA for the independent fading of different user in spatial and frequency domain. To guarantee the user fairness, a joint spatial-frequency Proportional Fairness (PF) scheduling is proposed in this paper. Further, no inter-cell interference mitigation capability can be observed from the current MIMO OFDMA schemes in downlink, the soft frequency reuse is adopted in this paper to avoid the inter-cell interfernece. Finally the downlink performance of the TD-SCDMA LTE with no-real time service is evaluated with spatial frequency PF scheduling and soft frequency reuse in multi-cell scenario. © 2006 IEEE.
DOI10.1109/VETECS.2004.1388922
URLView the original
Language英語
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Document TypeConference paper
CollectionUniversity of Macau
AffiliationBeijing University of Posts and Telecommunications
Recommended Citation
GB/T 7714
Liu G.,Zhu J.,Jiang F.,et al. Initial performance evaluation on TD-SCDMA long term evolution system[C],2006:718-722.
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