Utility-Based Precoding Optimization Framework for Large Intelligent Surfaces

被引：0

作者：

Bjornson, Emil ^{[1
]}

Sanguinetti, Luca ^{[2
]}

机构：

[1] Linkoping Univ, Dept Elect Engn ISY, Linkoping, Sweden

[2] Univ Pisa, Dipartimento Ingn Informaz, I-56122 Pisa, Italy

来源：

CONFERENCE RECORD OF THE 2019 FIFTY-THIRD ASILOMAR CONFERENCE ON SIGNALS, SYSTEMS & COMPUTERS | 2019年

关键词：

Large intelligent surface; precoding optimization; zero-forcing; asymptotic analysis; MASSIVE MIMO;

D O I：

10.1109/ieeeconf44664.2019.9048962

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

The spectral efficiency of wireless networks can be made nearly infinitely large by deploying many antennas, but the deployment of very many antennas requires new topologies beyond the compact and discrete antenna arrays used by conventional base stations. In this paper, we consider the large intelligent surface scenario where small antennas are deployed on a large and dense two-dimensional grid. Building on the heritage of MIMO, we first analyze the beamwidth and sidelobes when transmitting from large intelligent surfaces. We compare different precoding schemes and determine how to optimize the transmit power with respect to different utility functions.

引用

页码：863 / 867

页数：5

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