5th International ICST Conference on Communications and Networking in China

Research Article

Inter-cell relaying and base station cooperation in cellular uplink systems

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  • @INPROCEEDINGS{10.4108/chinacom.2010.9,
        author={Yuxi Liu and Ju Liu and Lina Zheng and Weidong Guo and He Chen},
        title={Inter-cell relaying and base station cooperation in cellular uplink systems},
        proceedings={5th International ICST Conference on Communications and Networking in China},
        publisher={IEEE},
        proceedings_a={CHINACOM},
        year={2011},
        month={1},
        keywords={Base stations Equations Fading Joints Mesh networks Relays Signal to noise ratio},
        doi={10.4108/chinacom.2010.9}
    }
    
  • Yuxi Liu
    Ju Liu
    Lina Zheng
    Weidong Guo
    He Chen
    Year: 2011
    Inter-cell relaying and base station cooperation in cellular uplink systems
    CHINACOM
    ICST
    DOI: 10.4108/chinacom.2010.9
Yuxi Liu1,*, Ju Liu1,*, Lina Zheng1, Weidong Guo1, He Chen1
  • 1: School of Information Science and Engineering, Shandong University, 250100, Jinan, China
*Contact email: liouyuxisimon@163.com, juliu@sdu.edu.cn

Abstract

Joint decoding at the base stations is investigated as a means to improve the uplink/downlink throughput of current cellular systems over fading channels. In this paper, the multi-cell relay-assisted time-division uplink system, i.e. one active user per time slot per cell with a relay serving that user, is studied. A linear mesh network is considered in which a single user per-cell communicates to a local base station via a dedicated relay. Base station cooperation through multi-cell decoding, where each cell has a single relay that amplifies and forwards the desired transmission signals to the base station. All the base stations in the mesh network collaboratively decode the signals received at each. The key contribution of this paper is compare the ergodic sum-rate in single-cell processing with multi-cell processing, under the system model, separately.