A Multiple Chirp Based Inter-Relay Interference Mitigation Technique for Two-Path Successive Relaying Protocol 


Vol. 44,  No. 1, pp. 38-47, Jan.  2019
10.7840/kics.2019.44.1.38


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  Abstract

Since two-path successive relaying (TPSR) protocol is continuously relaying data, spectral efficiency may be limited due to inter-relay interference (IRI). In this paper, we propose a multiple linear chirp-based IRI mitigation technique for the TPSR protocol. In the proposed scheme, a separating bandwidth with the optimal cross-correlation coefficient (CCC) is allocated to one relay, and another separating bandwidth considering the CCC between the relays is allocated to another relay. Since the CCC is a numerical value of the similarity between two relays, it is possible to mitigate the IRI effect within the given same bandwidth by assigning orthogonal separating bandwidth to each relay. Simulation results show that the proposed method can improve the bit error rate by mitigating the IRI even in low signal-to-interference ratio environments.

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  Cite this article

[IEEE Style]

K. Kim and Y. Shin, "A Multiple Chirp Based Inter-Relay Interference Mitigation Technique for Two-Path Successive Relaying Protocol," The Journal of Korean Institute of Communications and Information Sciences, vol. 44, no. 1, pp. 38-47, 2019. DOI: 10.7840/kics.2019.44.1.38.

[ACM Style]

Kwang-Yul Kim and Yoan Shin. 2019. A Multiple Chirp Based Inter-Relay Interference Mitigation Technique for Two-Path Successive Relaying Protocol. The Journal of Korean Institute of Communications and Information Sciences, 44, 1, (2019), 38-47. DOI: 10.7840/kics.2019.44.1.38.

[KICS Style]

Kwang-Yul Kim and Yoan Shin, "A Multiple Chirp Based Inter-Relay Interference Mitigation Technique for Two-Path Successive Relaying Protocol," The Journal of Korean Institute of Communications and Information Sciences, vol. 44, no. 1, pp. 38-47, 1. 2019. (https://doi.org/10.7840/kics.2019.44.1.38)

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pISSN : 1226 - 4717
eISSN : 2287 - 3880