Codebook of Wireless Channel and Cooperative Interference Cancellation Technology

doi:10.13190/j.jbupt.2014.02.003

JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM ›› 2014, Vol. 37 ›› Issue (2): 9-13.doi: 10.13190/j.jbupt.2014.02.003

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Codebook of Wireless Channel and Cooperative Interference Cancellation Technology

CHEN Shi-jun¹, YAO Ke¹, CHEN Qiang², LIU Juan¹

1. Wireless Pre-Research Department, ZTE Corporation, Shenzhen 518055, China;
2. Wireless Product Planning Department, ZTE Corporation, Shenzhen 518055, China

Received:2013-06-14 Online:2014-04-28 Published:2014-04-08

Abstract

Abstract:

The accuracy of the feedback codebook is a key factor for coordinated multi-point transmission/reception (CoMP). A new method of codebook evaluation based on space basis vectors and a method of codebook reconstruction with several preferred space basis vectors are proposed. Furthermore, the residual interference is discussed and its key influencing factors is deduced. Base on the above, this article proposes a new CoMP approach to do further interference cancellation. Simulation shows that, compared to the traditional methods, the new method has better performance in interference cancellation with advantages such as unnecessary to update codebook, flexible trade-off between feedback overhead and interference cancellation effect and good scalability.

Key words: coordinated multi-point transmission/reception, channel codebook, interference cancellation, base vector

CLC Number:

TN929.3

CHEN Shi-jun, YAO Ke, CHEN Qiang, LIU Juan. Codebook of Wireless Channel and Cooperative Interference Cancellation Technology[J]. JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM, 2014, 37(2): 9-13.

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Codebook of Wireless Channel and Cooperative Interference Cancellation Technology

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