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Multicell Downlink Capacity with Base Station Cooperation

Yongpeng WU, Bin JIANG, Xiqi GAO

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Yongpeng WU
National Mobile Communications Research Laboratory, Southeast University
Bin JIANG
National Mobile Communications Research Laboratory, Southeast University
Xiqi GAO
National Mobile Communications Research Laboratory, Southeast University

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Keywords:base station cooperation,intra cell scheduling,Wyner model

JOURNALRESTRICTED ACCESS

2010 Volume E93.BIssue 10Pages 2761-2765

DOIhttps://doi.org/10.1587/transcom.E93.B.2761

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Published: October 01, 2010Received: July 14, 2009Available on J-STAGE: October 01, 2010Accepted: -Advance online publication: -Revised: -

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Article overview

Abstract

In this paper, we study the performance of base station (BS) cooperation for downlink transmission. Based on a modified Wyner multicell model, an opportunistic intra cell scheduling scheme is proposed. Then, we derive a closed-form expression for the sum-rate capacity of the proposed scheme in the Rayleigh flat-fading channel. Also, we prove that the opportunistic scheme can be regarded as providing a downlink beamforming scheme to achieve a tighter lower bound for the downlink sum rate capacity. Numerical results confirm our theoretical analysis.

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