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Reverse-link capacity with MRC-based macrodiversity in DS-CDMA cellular systems

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4 Author(s)
Lin Dai ; State Key Lab on Microwave & Digital Commun., Tsinghua Univ., Beijing, China ; Hai-ruo Zhuang ; Shi-dong Zhou ; Yan Yao

In this paper, the effect of maximal ratio combining (MRC)-based macrodiversity on CDMA reverse-link capacity is studied. We present an analytical model and derive the exact outage probability expression. Both fast fading and log-normal shadowing fading are considered. The numerical results show that with MRC-based macrodiversity the reverse-link capacity increases rapidly with the number of involved base stations. Besides, we make a comparison between the capacity with microdiversity and that with MRC-based macrodiversity and find that with the same amount of antennas, more reverse-link capacity can be obtained with MRC-based macrodiversity.

Published in:

Vehicular Technology Conference, 2002. VTC Spring 2002. IEEE 55th  (Volume:1 )

Date of Conference:

6-9 May 2002