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End-to-End BER Analysis of Space Shift Keying in Decode-and-Forward Cooperative Relaying

Som, Pritam and Chockalingam, A (2013) End-to-End BER Analysis of Space Shift Keying in Decode-and-Forward Cooperative Relaying. In: 2013 IEEE WIRELESS COMMUNICATIONS AND NETWORKING CONFERENCE (WCNC), APR 07-10, 2013 , Shanghai, China, pp. 3465-3470.

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Official URL: http://dx.doi.org/10.1109/WCNC.2013.6555121


Space shift keying (SSK) is a special case of spatial modulation (SM), which is a relatively new modulation technique that is getting recognized to be attractive in multi-antenna communications. Our new contribution in this paper is an analytical derivation of exact closed-form expression for the end-to-end bit error rate (BER) performance of SSK in decode-and-forward (1)1,) cooperative relaying. An incremental relaying (IR) scheme with selection combining (SC) at the destination is considered. In SSK, since the information is carried by the transmit antenna index, traditional selection combining methods based on instantaneous SNRs can not be directly used. To overcome this problem, we propose to do selection between direct and relayed paths based on the Euclidean distance between columns of the channel matrix. With this selection metric, an exact analytical expression for the end-to-end BER is derived in closed-form. Analytical results are shown to match with simulation results.

Item Type: Conference Proceedings
Publisher: IEEE
Additional Information: copyright for this article belongs to IEEE,USA
Keywords: Space shift keying; decode-and-forward; cooperative relaying; incremental relaying; selection combining; BER analysis
Department/Centre: Division of Electrical Sciences > Electrical Communication Engineering
Date Deposited: 03 Jan 2014 11:00
Last Modified: 03 Jan 2014 11:03
URI: http://eprints.iisc.ac.in/id/eprint/47999

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