Physical layer security in two-path successive relaying
This paper proposes a bandwidth-efficient transmission protocol with one source, one destination and two assisting half-duplex relays. The two relays operate alternately in a time-division-duplex mode to forward messages from source to destination in the presence of an eavesdropper. Therefore, the s...
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| Format: | Conference or Workshop Item |
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Institute of Electrical and Electronics Engineers Inc.
2016
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| _version_ | 1796862080845873152 |
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| author | Liau, Q. Y. Leow, C. Y. |
| author_facet | Liau, Q. Y. Leow, C. Y. |
| author_sort | Liau, Q. Y. |
| collection | ePrints |
| description | This paper proposes a bandwidth-efficient transmission protocol with one source, one destination and two assisting half-duplex relays. The two relays operate alternately in a time-division-duplex mode to forward messages from source to destination in the presence of an eavesdropper. Therefore, the source transmits new information continuously and the bandwidth efficiency of ideal full-duplex relay network can be achieved. The two relays provide higher diversity gain compared to the existing schemes assisted by one relay. By considering the achievable secrecy rate as the minimum between the secrecy rate of the S-R and R-D links, the achievable secrecy capacity can be improved. We investigate the performance of the protocol in terms of ergodic secrecy capacity and secrecy outage probability and compared to the existing half-duplex relaying, full-duplex relaying and full-duplex jamming schemes. The proposed protocol achieves the highest ergodic secrecy capacity and the lowest probability of secrecy outage compared to the existing schemes. |
| first_indexed | 2024-03-05T20:06:09Z |
| format | Conference or Workshop Item |
| id | utm.eprints-73451 |
| institution | Universiti Teknologi Malaysia - ePrints |
| last_indexed | 2024-03-05T20:06:09Z |
| publishDate | 2016 |
| publisher | Institute of Electrical and Electronics Engineers Inc. |
| record_format | dspace |
| spelling | utm.eprints-734512017-11-23T04:17:45Z http://eprints.utm.my/73451/ Physical layer security in two-path successive relaying Liau, Q. Y. Leow, C. Y. TK Electrical engineering. Electronics Nuclear engineering This paper proposes a bandwidth-efficient transmission protocol with one source, one destination and two assisting half-duplex relays. The two relays operate alternately in a time-division-duplex mode to forward messages from source to destination in the presence of an eavesdropper. Therefore, the source transmits new information continuously and the bandwidth efficiency of ideal full-duplex relay network can be achieved. The two relays provide higher diversity gain compared to the existing schemes assisted by one relay. By considering the achievable secrecy rate as the minimum between the secrecy rate of the S-R and R-D links, the achievable secrecy capacity can be improved. We investigate the performance of the protocol in terms of ergodic secrecy capacity and secrecy outage probability and compared to the existing half-duplex relaying, full-duplex relaying and full-duplex jamming schemes. The proposed protocol achieves the highest ergodic secrecy capacity and the lowest probability of secrecy outage compared to the existing schemes. Institute of Electrical and Electronics Engineers Inc. 2016 Conference or Workshop Item PeerReviewed Liau, Q. Y. and Leow, C. Y. (2016) Physical layer security in two-path successive relaying. In: 20th IEEE International Workshop on Computer Aided Modelling and Design of Communication Links and Networks, CAMAD 2015, 7-9 Sept 2015, Guildford, United Kingdom. https://www.scopus.com/inward/record.uri?eid=2-s2.0-84963616064&doi=10.1109%2fCAMAD.2015.7390505&partnerID=40&md5=d8ca65662ef343d0ae6e416864ddd4a9 |
| spellingShingle | TK Electrical engineering. Electronics Nuclear engineering Liau, Q. Y. Leow, C. Y. Physical layer security in two-path successive relaying |
| title | Physical layer security in two-path successive relaying |
| title_full | Physical layer security in two-path successive relaying |
| title_fullStr | Physical layer security in two-path successive relaying |
| title_full_unstemmed | Physical layer security in two-path successive relaying |
| title_short | Physical layer security in two-path successive relaying |
| title_sort | physical layer security in two path successive relaying |
| topic | TK Electrical engineering. Electronics Nuclear engineering |
| work_keys_str_mv | AT liauqy physicallayersecurityintwopathsuccessiverelaying AT leowcy physicallayersecurityintwopathsuccessiverelaying |