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Wireless MIMO Channel Capacity Using Double Stage Diversity Technique

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Abstract

This paper presents an investigation on wireless MIMO channel capacity effect based on double stage diversity technique for indoor environments. In this investigation, the channel capacity is improved by using a novel spatial diversity technique, which originally requires more space to achieve higher data rate. A new configuration (double stage technique) of spatial diversity and polarization diversity is introduced in this investigation, and measured for an indoor environment. Comparative analyses on the linear and X-polarized configurations of the antenna has been conducted for spacings between 0.5 and 2λ at 2.4 GHz. The results show that the channel capacity for the double stage diversity configuration could achieve more than 5.6 b/s/Hz. Furthermore, the space between antennas could be reduced up to 150 %, compared to a linear polarized configuration. Thus, the double stage diversity technique has high potential for use in designing a compact system of wireless MIMO communication infrastructure, especially for LTE systems.

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Acknowledgments

The authors thank the Ministry of Education (MOE) for supporting the research work, UTM-MIMOS CoE, Research Management Centre (RMC), School of Postgraduate (SPS) and Faculty of Electrical Engineering, Communication Engineering Department, Universiti Teknologi Malaysia (UTM) for the support of the research under Grant Nos. 00M29 and 4F360.

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Authors and Affiliations

  1. UTM-MIMOS CoE in Telecommunication, Faculty of Electrical Enigneering, Universiti Teknologi Malaysia, 81310, Skudai, Johor, Malaysia

    Mohamad Zoinol Abidin Abdul Aziz & Mohamad Kamal A. Rahim

  2. Center for Telecommunication Research and Innovation, Universiti Teknikal Malaysia Melaka (UTeM), Hang Tuah Jaya, 76100, Durian Tunggal, Melaka, Malaysia

    Mohamad Zoinol Abidin Abdul Aziz

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  1. Mohamad Zoinol Abidin Abdul Aziz
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  2. Mohamad Kamal A. Rahim
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Correspondence to Mohamad Kamal A. Rahim.

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Aziz, M.Z.A.A., Rahim, M.K.A. Wireless MIMO Channel Capacity Using Double Stage Diversity Technique. Wireless Pers Commun 85, 2067–2081 (2015). https://doi.org/10.1007/s11277-015-2892-2

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