NDLI: Cooperative interference cancellation for cellular networks with imperfect CCSI

Content Provider	IET Digital Library
Author	Ustok, Refik Fatih Dmochowski, Pawel A. Smith, Peter J. Shafi, Mansoor
Abstract	In this study, the authors investigate the impact of cooperation in an interference limited downlink cellular network. The authors identify the areas in which the transmissions of adjacent cells overlap in a 19 cell network for urban and suburban environments. They assume that the cooperative users are located in these overlapping areas and thus can receive channel information from neighbouring base stations (BSs) to cancel intercell interference. They also study the performance of such systems with various types of precoding techniques. They demonstrate that they can improve the system performance employing precoders that maximise signal-to-leakage-noise ratios for each user. They also consider imperfect cross channel state information (CCSI) between cooperative users and interfering BSs. Furthermore, they analytically derive the additional intercell interference that is caused by imperfect CCSI at the receivers. The results demonstrate that the system can achieve better sum rates with cooperation, however this improvement is susceptible to the accuracy of the CCSI. They show that imperfect CCSI degrades the cooperation gains drastically.
Starting Page	525
Ending Page	533
Page Count	9
ISSN	17518628
Volume Number	10
e-ISSN	17518636
Issue Number	Issue 5, Mar (2016)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-com/10/5
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-com.2015.0897
Journal	IET Communications
Publisher Date	2016-03-24
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Adjacent Cell Transmission Base Station Cellular Radio Code Cooperative Communication Cooperative Interference Cancellation Electromagnetic Compatibility Imperfect CCSI Imperfect Cross Channel State Information Intercell Interference Cancellation Interference Interference Limited Downlink Cellular Network Interference Suppression Mobile Radio System Precoding Precoding Technique Radio Frequency Interference Radio Receiver Receive Channel Information Signal-to-leakage-noise Ratio Suburban Environment Urban Environment Wireless Channel
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering Computer Science Applications

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