Physical layer network coding with multiple untrusted relays for physical layer security

Kazuma Yamaguchi; Osamu Takyu; Tomoaki Ohtsuki; Fumihito Sasamori; Shiro Handa

doi:10.1109/APSIPA.2014.7041686

Physical layer network coding with multiple untrusted relays for physical layer security

Kazuma Yamaguchi, Osamu Takyu, Tomoaki Ohtsuki, Fumihito Sasamori, Shiro Handa

Department of Information and Computer Science

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

11 Citations (Scopus)

Abstract

We proposed the physical layer security (PLS) under the untrusted relay in the wireless communication with the physical layer network coding (PLNC). In PLNC, the two information source accesses the relay station, simultaneously and thus it is difficult for the relay station to demodulate each signal due to the masking-effect from the other signal. As a result, the leakage of information to the untrusted relay is avoidable. The transmit power control (TPC) for the balancing between the two received signal powers is powerful. The secure capacity is enlarged but has not been optimized for maximizing the secure capacity. In this paper, the quasi-optimization of TPC for enlarging secure capacity is derived in the wireless communication with the untrusted relay and PLNC.

Original language	English
Title of host publication	2014 Asia-Pacific Signal and Information Processing Association Annual Summit and Conference, APSIPA 2014
Publisher	Institute of Electrical and Electronics Engineers Inc.
ISBN (Print)	9786163618238
DOIs	https://doi.org/10.1109/APSIPA.2014.7041686
Publication status	Published - 2014 Feb 12
Event	2014 Asia-Pacific Signal and Information Processing Association Annual Summit and Conference, APSIPA 2014 - Chiang Mai, Thailand Duration: 2014 Dec 9 → 2014 Dec 12

Other

Other	2014 Asia-Pacific Signal and Information Processing Association Annual Summit and Conference, APSIPA 2014
Country/Territory	Thailand
City	Chiang Mai
Period	14/12/9 → 14/12/12

ASJC Scopus subject areas

Signal Processing
Information Systems

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10.1109/APSIPA.2014.7041686

Cite this

Yamaguchi, K., Takyu, O., Ohtsuki, T., Sasamori, F., & Handa, S. (2014). Physical layer network coding with multiple untrusted relays for physical layer security. In 2014 Asia-Pacific Signal and Information Processing Association Annual Summit and Conference, APSIPA 2014 [7041686] Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/APSIPA.2014.7041686

Physical layer network coding with multiple untrusted relays for physical layer security. / Yamaguchi, Kazuma; Takyu, Osamu; Ohtsuki, Tomoaki et al.

2014 Asia-Pacific Signal and Information Processing Association Annual Summit and Conference, APSIPA 2014. Institute of Electrical and Electronics Engineers Inc., 2014. 7041686.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Yamaguchi, K, Takyu, O, Ohtsuki, T, Sasamori, F & Handa, S 2014, Physical layer network coding with multiple untrusted relays for physical layer security. in 2014 Asia-Pacific Signal and Information Processing Association Annual Summit and Conference, APSIPA 2014., 7041686, Institute of Electrical and Electronics Engineers Inc., 2014 Asia-Pacific Signal and Information Processing Association Annual Summit and Conference, APSIPA 2014, Chiang Mai, Thailand, 14/12/9. https://doi.org/10.1109/APSIPA.2014.7041686

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AU - Handa, Shiro

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AB - We proposed the physical layer security (PLS) under the untrusted relay in the wireless communication with the physical layer network coding (PLNC). In PLNC, the two information source accesses the relay station, simultaneously and thus it is difficult for the relay station to demodulate each signal due to the masking-effect from the other signal. As a result, the leakage of information to the untrusted relay is avoidable. The transmit power control (TPC) for the balancing between the two received signal powers is powerful. The secure capacity is enlarged but has not been optimized for maximizing the secure capacity. In this paper, the quasi-optimization of TPC for enlarging secure capacity is derived in the wireless communication with the untrusted relay and PLNC.

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Physical layer network coding with multiple untrusted relays for physical layer security

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