NDLI: Interference alignment based hybrid cooperative transmission strategy with limited backhaul

Content Provider	IET Digital Library
Author	Su, Xin Li, Lihua Zhang, Ping
Abstract	The performance of coordinated multi-point (CoMP) transmission system depends heavily on the quality of information exchange via backhaul links. However, the limited capacity of backhaul leads to quantisation error and delay of shared channel state information. In this study, the authors propose a novel hybrid CoMP transmission strategy to mitigate the impacts of the backhaul delay for data sharing and switch the transmission modes adaptively based on the current arrivals of the shared user data. Furthermore, they present analytical expressions for the average sum rate in an interference alignment network, in which the combining effects of quantisation from limited capacity and connection uncertainty introduced by finite delay are considered. With the analytical results, they evaluate the sum rate performance under limited backhaul for the conventional CoMP transmission modes and the proposed strategy. The simulation results demonstrate that the proposed strategy functions better on overcoming the impacts of capacity limited backhaul than the conventional ones.
Starting Page	45
Ending Page	53
Page Count	9
ISSN	17518628
Volume Number	13
e-ISSN	17518636
Issue Number	Issue 1, Jan (2019)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-com/13/1
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-com.2018.5173
Journal	IET Communications
Publisher Date	2018-09-26
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Average Sum Rate Backhaul Delay Backhaul Link Cellular Radio Conventional CoMP Transmission Modes Cooperative Communication Coordinated Multipoint Transmission System Data Sharing Electromagnetic Compatibility Finite Delay Hybrid CoMP Transmission Strategy Hybrid Cooperative Transmission Strategy Information Exchange Interference Interference Alignment Network Interference Suppression Mobile Radio System Radio Frequency Interference Shared Channel State Information Shared User Data Sum Rate Performance
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering Computer Science Applications

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