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Capacity analysis of distributed antenna systems in MIMO Nakagami fading multicell environment

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Abstract

In this paper, the downlink capacity analysis of distributed antenna systems (DAS) with multiple receive antennas in Nakagami-m fading multicell environment is presented. According to the performance analysis, and using mathematical manipulation, we derive the probability density function (PDF) of the effective signal to interference plus noise ratio of the system. Based on the obtained PDF, an exact closed-form expression of DAS capacity is derived. This expression includes the existing capacity expression as a special case, and avoids the error in the latter. Thus, it can provide good theoretical performance evaluation for downlink DAS. Computer simulation shows that the theoretical analysis is in good agreement with simulation result. Moreover, the increase of receive antenna and/or Nakagami fading parameter m can improve the capacity effectively.

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Acknowledgments

The authors would like to thank for the anonymous reviewer and editor for their valuable comments and suggestions, which greatly improve the quality of this paper. The work was supported in part by National Natural Science Foundation of China (61172077), Doctoral Fund of Ministry of Education of China (20093218120021), the Fundamental Research Funds for the Central Universities (NS2012075), National Key Project of Chinese Ministry of Science and Technology (2009ZX03003-006-03), and Shanghai Municipal Natural Science Foundation (10ZR1436000).

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Authors and Affiliations

  1. Department of Electronic Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, China

    Xiangbin Yu & Ying Yang

  2. Shanghai Advanced Research Institute, Chinese Academic of Science, Shanghai, China

    Ying Yang & Mingqi Li

  3. National Mobile Communications Research Laboratory, Southeast University, Nanjing, China

    Xiangbin Yu & Ming Chen

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  1. Xiangbin Yu
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  2. Ying Yang
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  3. Mingqi Li
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  4. Ming Chen
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Correspondence to Xiangbin Yu.

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Yu, X., Yang, Y., Li, M. et al. Capacity analysis of distributed antenna systems in MIMO Nakagami fading multicell environment. Ann. Telecommun. 67, 589–595 (2012). https://doi.org/10.1007/s12243-012-0301-3

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  • DOI: https://doi.org/10.1007/s12243-012-0301-3

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