Small Cell Range Expansion with Interference Mitigation for Downlink Massive MIMO HetNets

Shanjin Ni, Junhui Zhao, Howard H. Yang, Tony Q.S. Quek, Yi Gong

研究成果: Conference contribution

4 引文 斯高帕斯(Scopus)

摘要

We propose a downlink cell-edge-aware zero forcing (CEA-ZF) and block diagonalization (BD) cooperative precoding scheme to reduce the downlink interference caused by the small cell range expansion in a heterogeneous network (HetNet). The CEA-ZF precoding algorithm adopted in the downlink transmission of macro base station (MBS) exploits the spatial degrees of freedom from large antenna array to suppress the inter-cell interference, and the BD precoding algorithm is introduced in the small access point (SAP) to eliminate the multi-user interference. Simulation results demonstrate the benefits of the proposed downlink precoding scheme over the alternative approach, and verify the proposed scheme as a more effective interference mitigation scheme for the downlink massive multiple-input multiple-output (MIMO) HetNet. Moreover, the optimal range expansion bias (REB) of small cell range expansion is obtained, and we also give a lower bound for the UE sum-rate of the proposed precoding scheme.

原文English
主出版物標題2018 IEEE Global Communications Conference, GLOBECOM 2018 - Proceedings
發行者Institute of Electrical and Electronics Engineers Inc.
ISBN(電子)9781538647271
DOIs
出版狀態Published - 2018
事件2018 IEEE Global Communications Conference, GLOBECOM 2018 - Abu Dhabi, United Arab Emirates
持續時間: 2018 十二月 92018 十二月 13

出版系列

名字2018 IEEE Global Communications Conference, GLOBECOM 2018 - Proceedings

Conference

Conference2018 IEEE Global Communications Conference, GLOBECOM 2018
國家/地區United Arab Emirates
城市Abu Dhabi
期間18-12-0918-12-13

All Science Journal Classification (ASJC) codes

  • 資訊系統與管理
  • 可再生能源、永續發展與環境
  • 安全、風險、可靠性和品質
  • 訊號處理
  • 建模與模擬
  • 儀器
  • 電腦網路與通信

指紋

深入研究「Small Cell Range Expansion with Interference Mitigation for Downlink Massive MIMO HetNets」主題。共同形成了獨特的指紋。

引用此