移动通信中某些虚拟MIMO方案的容量研究

2007 2nd International Conference on Communication Systems Software and Middleware Pub Date : 2007-07-09 DOI:10.1109/COMSWA.2007.382615

Anubala S. Varikat

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引用次数: 1

摘要

我们考虑了一个虚拟多输入多输出(MIMO)系统，其中彼此相邻的移动用户设备(UE)相互充当天线，用于与多天线基站(BS)通信。ue通过“Interlink”相互通信，并通过Up/Downlink与BS通信。对下行链路提出了“采样转发”策略。研究了该方案和传统的上行译码转发方案的容量。得到了Interlink和Up/Downlink之间时间和带宽资源的最优分配规则。给出了容量中断曲线，将虚拟MIMO方案与传统MIMO方案和单输入单输出(SISO)方案进行比较。

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On the capacity of certain virtual MIMO schemes for mobie communications

We consider a virtual multiple-input-multiple-output (MIMO) system, where mobile user equipments (UE) in the vicinity of each other act as antennas for each other for communication with a multiple-antenna base station (BS). The UEs communicate with each other on an 'Interlink', and with the BS on an Up/Downlink. A 'Sample-and-Forward' strategy is proposed for the downlink. The capacity of the proposed scheme and of a conventional Decode-and-Forward scheme for the uplink are investigated. Rules for optimal partitioning of time and bandwidth resources between the Interlink and the Up/Downlink are obtained. Capacity outage curves are provided to compare the virtual MIMO schemes with conventional MIMO and single-input-single-output (SISO) schemes.

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2007 2nd International Conference on Communication Systems Software and Middleware

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