A New Solution for Simple Cooperative Relaying

Authors:
Ugljesa Urosevic;Zoran Veljovic;Milica Pejanovic-Djurisic
Affiliations:
Faculty of Electrical Engineering, University of Montenegro, Podgorica, Montenegro;Faculty of Electrical Engineering, University of Montenegro, Podgorica, Montenegro;Faculty of Electrical Engineering, University of Montenegro, Podgorica, Montenegro
Venue:
Wireless Personal Communications: An International Journal
Year:
2014

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Abstract

In this paper we present a new simple cooperative relaying scheme. The proposed scheme is compared with simple cooperative schemes with virtual orthogonal space time block coding (OSTBC) and quasi orthogonal space time block coding (QOSTBC). Every of these three schemes includes one base station with two antennas, two relay stations each with a single antenna and one mobile station with a single antenna. The aim of the proposed scheme is to preserve, as much as it is possible bit error rate (BER) performance of the cooperative scheme with virtual OSTBC, but with increased code rate. It is shown that the presented scheme obviously outperforms simple cooperative scheme with virtual QOSTBC, while in comparison with simple cooperative scheme with virtual OSTBC has very similar BER performance and increased code rate.