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New Solutions for Cooperative Relaying Implementation of OSTBC with 3/4 Code Rate

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Abstract

In this paper we propose two new cooperative relaying schemes which enable distributed implementation of the orthogonal space time block coding (OSTBC) with 3/4 code rate. These proposed schemes are compared with cooperative relaying scheme with virtual OSTBC and 1/2 code rate. The considered schemes are used for creating virtual 4 × 1 multiple input–single output (MISO) channel, and include one base station with two antennas, two relay stations each with a single antenna and one mobile station with a single antenna. Obtained results show that in the case of the same bit rate the proposed schemes provide better bit error rate (BER) performances than virtual OSTBC with 1/2 code rate. On the other side, for the same symbol constellations the proposed schemes have almost identical BER performances as virtual OSTBC with 1/2 code rate, but with a benefit of 1.5 times increased code rate.

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Acknowledgments

Work is funded by European Union project Fore-Mont as a part of Seventh Framework Programme (Grant Agreement No. 315970 FP7-REGPOT-CT-2013).

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Authors and Affiliations

  1. Faculty of Electrical Engineering, University of Montenegro, Podgorica, Montenegro

    Zoran Veljovic & Ugljesa Urosevic

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  1. Zoran Veljovic
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  2. Ugljesa Urosevic
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Correspondence to Ugljesa Urosevic.

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Veljovic, Z., Urosevic, U. New Solutions for Cooperative Relaying Implementation of OSTBC with 3/4 Code Rate. Wireless Pers Commun 92, 51–61 (2017). https://doi.org/10.1007/s11277-016-3838-z

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