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Spatial channel pairing based coherent combining for relay networks

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Abstract

In this paper, spatial channel pairing (SCP) is introduced to coherent combining at the relay in relay networks. Closed-form solution to optimal coherent combining is derived. Given coherent combining, the approximate SCP solution is presented. Finally, an alternating iterative structure is developed. Simulation results and analysis show that, given the symbol error rate and data rate, the proposed alternating iterative structure achieves signal-to-noise ratio gains over existing schemes in maximum ratio combining (MRC) plus matched filter, MRC plus antenna selection, and distributed space-time block coding due to the use of SCP and iterative structure.

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Authors and Affiliations

  1. College of Computer and Information Sciences, Fujian Agriculture and Forestry University, Fuzhou, 350002, China

    Feng Shu & Ri-qing Chen

  2. School of Electronic and Optical Engineering, Nanjing University of Science and Technology, Nanjing, 210094, China

    Feng Shu, Xiao-hui Huang, Jin-song Hu, Ting-ting Liu, Jun Li & Jin Wang

  3. National Key Laboratory of Electromagnetic Environment, China Research Institute of Radiowave Propagation, Qingdao, 266107, China

    Feng Shu

  4. National Mobile Communications Research Laboratory, Southeast University, Nanjing, 210096, China

    Feng Shu & Xiao-hu You

Authors
  1. Feng Shu
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  2. Xiao-hui Huang
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  3. Jin-song Hu
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  4. Ting-ting Liu
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  5. Ri-qing Chen
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  6. Xiao-hu You
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  7. Jun Li
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  8. Jin Wang
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Corresponding author

Correspondence to Feng Shu.

Additional information

Project supported by the Open Research Fund of National Mobile Communications Research Laboratory, Southeast University, China (No. 2013D02), the Open Research Fund of National Key Laboratory of Electromagnetic Environment, China Research Institute of Radiowave Propagation (No. 201500013), the National Natural Science Foundation of China (Nos. 61271230, 61472190, and 61501238), the Research Fund for the Doctoral Program of Higher Education of China (No. 20113219120019), and the Foundation of Cloud Computing and Big Data for Agriculture and Forestry, China (No. 117-612014063)

ORCID: Feng SHU, http://orcid.org/0000-0003-0073-1965

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Shu, F., Huang, Xh., Hu, Js. et al. Spatial channel pairing based coherent combining for relay networks. Frontiers Inf Technol Electronic Eng 17, 938–945 (2016). https://doi.org/10.1631/FITEE.1500436

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  • DOI: https://doi.org/10.1631/FITEE.1500436

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