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On secrecy performance of MISO SWIPT systems with TAS and Imperfect CSI
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Pan, Gaofeng, Lei, Hongjiang, Deng, Yansha, Fan, Lisheng, Yang, Jing, Chen, Yunfei and Ding, Zhiguo (2016) On secrecy performance of MISO SWIPT systems with TAS and Imperfect CSI. IEEE Transactions on Communications, 64 (9). pp. 3831-3843. doi:10.1109/TCOMM.2016.2573822
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Official URL: http://dx.doi.org/10.1109/TCOMM.2016.2573822
Abstract
In this paper, a multiple-input single-output (MISO) simultaneous wireless information and power transfer (SWIPT) system, including one base station (BS) equipped with multiple antennas, one desired single-antenna information receiver (IR), and N (N > 1) single-antenna energy-harvesting receivers (ERs) is considered. Assuming that the information signal to the desired IR may be eavesdropped by ERs if ERs are malicious, we investigate the secrecy performance of the target MISO SWIPT system when imperfect channel state information (CSI) is available and adopted for transmit antenna selection at the BS. Considering that each eavesdropping link experiences independent but not necessarily identically distributed Rayleigh fading, the closed-form expressions for the exact and the asymptotic secrecy outage probability, and the average secrecy capacity are derived and verified by simulations. Furthermore, the optimal power splitting factor is derived for each ER to realize the tradeoff between the energy harvesting and the information eavesdropping. Our results reveal the impact of the imperfect CSI on the secrecy performance of MISO SWIPT systems in the presence of multiple wiretap channels.
| Item Type: | Journal Article | ||||||
|---|---|---|---|---|---|---|---|
| Subjects: | T Technology > TK Electrical engineering. Electronics Nuclear engineering | ||||||
| Divisions: | Faculty of Science > Engineering | ||||||
| Library of Congress Subject Headings (LCSH): | Wireless sensor networks -- Security measures | ||||||
| Journal or Publication Title: | IEEE Transactions on Communications | ||||||
| Publisher: | IEEE | ||||||
| ISSN: | 0090-6778 | ||||||
| Official Date: | 27 May 2016 | ||||||
| Dates: |
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| Volume: | 64 | ||||||
| Number: | 9 | ||||||
| Page Range: | pp. 3831-3843 | ||||||
| DOI: | 10.1109/TCOMM.2016.2573822 | ||||||
| Status: | Peer Reviewed | ||||||
| Publication Status: | Published | ||||||
| Access rights to Published version: | Restricted or Subscription Access | ||||||
| Funder: | Guo jia zi ran ke xue ji jin wei yuan hui (China) [National Natural Science Foundation of China] (NSFC) | ||||||
| Grant number: | 61401372, 61531016, 0130182120017, stc2013jcyjA40040, XDJK2015B023, XDJK2016A011 |
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