Blind Interference Alignment Scheme for Dynamic TDD Systems

被引：3

作者：

Chen, Yuanhao ^{[1
]}

Wu, Liang ^{[1
,2
]}

Zhang, Zaichen ^{[1
,2
]}

Dang, Jian ^{[1
,2
]}

Zhu, Bingcheng ^{[1
,2
]}

Wang, Lei ^{[1
,2
]}

机构：

[1] Southeast Univ, Natl Mobile Commun Res Lab, Nanjing 210096, Peoples R China

[2] Purple Mt Lab, Nanjing 211111, Peoples R China

来源：

2022 3RD INFORMATION COMMUNICATION TECHNOLOGIES CONFERENCE (ICTC 2022) | 2022年

关键词：

blind interference alignment; dynamic TDD; reconfigurable antenna; degree of freedom; COMMUNICATION;

D O I：

10.1109/ICTC55111.2022.9778505

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

This paper proposes a multi-cell blind interference alignment (BIA) scheme to eliminate the cross-link interference in the dynamic time division duplex (TDD) wireless communication system. The proposed BIA scheme focuses on the interference between base stations. In the proposed BIA scheme, the transmitter does not need to know channel state information (CSI), and the implementation process is divided into two parts. In the first part, the interfering base station and the users of the interfered cell transmit signal vectors at the same time. In the second part, only the interfering base station transmits signal vectors, which is received by the interfered base station and is employed to eliminate the interference caused in the first part. The proposed scheme can eliminate interference efficiently and achieve a high degree of freedom (DoF).

引用

页码：135 / 140

页数：6

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