Technology of Network & Communication
|
App. Res. of Comp. Printed Article
Vol. 38, 2021 No. 4
1158-1164

Research on cost optimization of large-scale MIMO system in FDD

Ma Guofu1
Chen Zhixing2
1. School of Computer Science & Information Engineering, Anyang Institute of Technology, Anyang Henan 455000, China
2. School of Automation, Beijing Institute of Technology, Beijing 100081, China
DOI: 10.19734/j.issn.1001-3695.2020.02.0130

Abstract

For the problem of excessive pilot overhead and feedback overhead in channel information acquisition, this paper studied the cost optimization of FDD massive MIMO system. Based on the diversity of large-scale parameters in the channel angle domain, it introduced a clustered multipath channel model, and jumped out the traditional framework. It designed an angle domain cost optimization scheme. In this solution, by pre-designing the pre-coded precoding code and user strength feedback, it established the topological relationship of the angle domain on the base station side, and performed the overall user scheduling and precoding codebook allocation. Through the codebook matching in the angle domain, it effectively reduced the system overhead, and improved the system performance. In a typical simulation scenario, it reduces the overhead by an average of 60% compared to the traditional solution, and increases the system and rate by an average of 35%.

Foundation Support

国家自然科学基金资助项目(U1204613)

Publish Information

DOI: 10.19734/j.issn.1001-3695.2020.02.0130
Publish at: Application Research of Computers Printed Article, Vol. 38, 2021 No. 4
Section: Technology of Network & Communication
Pages: 1158-1164
Serial Number: 1001-3695(2021)04-037-1158-07

Publish History

[2021-04-05] Printed Article

Cite This Article

马国富, 陈知行. 基于角度域的FDD大规模MIMO系统开销优化 [J]. 计算机应用研究, 2021, 38 (4): 1158-1164. (Ma Guofu, Chen Zhixing. Research on cost optimization of large-scale MIMO system in FDD [J]. Application Research of Computers, 2021, 38 (4): 1158-1164. )

About the Journal

  • Application Research of Computers Monthly Journal
  • Journal ID ISSN 1001-3695
    CN  51-1196/TP

Application Research of Computers, founded in 1984, is an academic journal of computing technology sponsored by Sichuan Institute of Computer Sciences under the Science and Technology Department of Sichuan Province.

Aiming at the urgently needed cutting-edge technology in this discipline, Application Research of Computers reflects the mainstream technology, hot technology and the latest development trend of computer application research at home and abroad in a timely manner. The main contents of the journal include high-level academic papers in this discipline, the latest scientific research results and major application results. The contents of the columns involve new theories of computer discipline, basic computer theory, algorithm theory research, algorithm design and analysis, blockchain technology, system software and software engineering technology, pattern recognition and artificial intelligence, architecture, advanced computing, parallel processing, database technology, computer network and communication technology, information security technology, computer image graphics and its latest hot application technology.

Application Research of Computers has many high-level readers and authors, and its readers are mainly senior and middle-level researchers and engineers engaged in the field of computer science, as well as teachers and students majoring in computer science and related majors in colleges and universities. Over the years, the total citation frequency and Web download rate of Application Research of Computers have been ranked among the top of similar academic journals in this discipline, and the academic papers published are highly popular among the readers for their novelty, academics, foresight, orientation and practicality.

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