Minimum rates scheduling for MIMO OFDM broadcast channels

被引：8

作者：

Wunder, Gerhard ^{[1
]}

Michel, Thomas ^{[1
]}

机构：

[1] Heinrich Hertz Inst Nachrichtentech Berlin GmbH, Fraunhofer German Sino Mobile Commun Lab, Einstein Ufer 37, D-10587 Berlin, Germany

来源：

2006 IEEE NINTH INTERNATIONAL SYMPOSIUM ON SPREAD SPECTRUM TECHNIQUES AND APPLICATIONS, PROCEEDINGS | 2006年

关键词：

D O I：

10.1109/ISSSTA.2006.311823

中图分类号：

TN [电子技术、通信技术];

学科分类号：

0809 ;

摘要：

In this paper we study the multiple input multiple output (MIMO) orthogonal freqency division multiplexing (OFDM) Gaussian Broadcast Channel (BC). Several fundamental problems are considered: The maximization of a weighted sum of rates and the dual minimization of sum power subject to rate requirements. Further we study the combined problem of weighted rate sum maximization under minimum rate requirements. To show the connections among them, all problems are embedded into an enhanced convex set of rate-power tuples (11, P). This not only gives insights into the structure of the MIMO OFDM BC capacity region, but also motivates algorithms exploiting these properties.

引用

页码：510 / 514

页数：5

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