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Discussion on Strategies for Adaptive Dynamical Clustering in Cooperative Multi-point Downlink Transmission Systems

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Abstract

As one of the most promising techniques for next generation wireless communication, coordinating transmission by multiple points (i.e. radio access points or base stations) have recently attracted a lot of attention because of its potential for intercell co-channel interference mitigation and significant spectral efficiency improvement. This paper firstly presents the system structure and mathematical signal model for multipoint coordinating downlink transmission, and then gives a detailed discussion on dynamical cell-clustering strategies, scheduling utility-metric and resources allocation scheme in adaptively forming cooperation cluster of cells based on detected system parameters, where the user is serviced by a cluster selected from a set of clusters that has been adapted to its particular network circumstance and location. Some numerical analysis shows that with dynamical cell-clustering, a clustered supercell with 7-cell is relatively reasonable for spectral efficiency improvement. Also, some simulation results are given to show that adaptive dynamical cell-clustering methods are more beneficial to user performance improvement.

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Authors and Affiliations

  1. National Key Lab of Communication, University of Electronic Science and Technology of China, Chengdu, 611731, Sichuan, People’s Republic of China

    Shang-hui Xiao

  2. School of Physics and Electronic Engineering, Yibin University, Yibin, 644007, Sichuan, People’s Republic of China

    Shang-hui Xiao

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  1. Shang-hui Xiao
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Correspondence to Shang-hui Xiao.

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Xiao, Sh. Discussion on Strategies for Adaptive Dynamical Clustering in Cooperative Multi-point Downlink Transmission Systems. Wireless Pers Commun 67, 525–539 (2012). https://doi.org/10.1007/s11277-011-0394-4

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  • DOI: https://doi.org/10.1007/s11277-011-0394-4

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