FEEDBACK AND POWER OPTIMIZATION IN THE MULTIUSER DOWNLINK UNDER QOS CONSTRAINTS

被引：0
|
作者：
Gonzalez-Coma, Jose P. [1 ]
Joham, Michael [2 ]
Castro, Paula M. [1 ]
Castedo, Luis [1 ]
机构：
[1] Univ A Coruna, Dept Elect & Syst, La Coruna, Spain
[2] Tech Univ Munich, Assoc Inst Signal Proc, Munich, Germany
来源：
2014 6TH INTERNATIONAL SYMPOSIUM ON COMMUNICATIONS, CONTROL AND SIGNAL PROCESSING (ISCCSP) | 2014年
关键词：
SYSTEMS;
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
We consider the Multiple-Input Single-Output (MISO) Broadcast Channel (BC) with linear filters and perfect Channel State Information (CSI) at reception that is fed back to the transmitter via a limited feedback channel. Our goal is to jointly achieve per-user rate requirements by using minimum total transmit power. We develop a Lloyd's algorithm to find both optimal quantizer and codebook by means of the duality between Multiple Access Channel (MAC) and BC w.r.t. the average Mean Square Error (MSE), and the properties of standard interference functions.
引用
收藏
页码：412 / 415
页数：4
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