Journal
IEEE TRANSACTIONS ON COMMUNICATIONS
Volume 65, Issue 10, Pages 4348-4359Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TCOMM.2017.2709314
Keywords
Light energy harvesting; Rician fading; secrecy outage probability; stochastic geometry; visible light communication
Funding
- National Science Foundation [61401372]
- Fundamental Research Funds for the Central Universities [XDJK2015B023, XDJK2016A011]
- Royal Society International Exchange Scheme
- UK EPSRC [EP/N005597/1]
- EPSRC [EP/N005597/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/N005597/1] Funding Source: researchfish
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In this paper, a hybrid visible light communicationradio frequency (RF) system, including a legitimate receiver (R) and an eavesdropper (E) is considered. R can harvest energy from the light emitted by light emitting diodes (LEDs), which is used for the information transmission between R and the RF receiver which is close to the LED. It is assumed that E tries to eavesdrop the information delivered from R to the RF receiver and R is with finite energy storage. Considering the randomness of the locations of R and E, the statistical characteristics of the received signal-to-noise ratio at the RF receiver and E are characterized; then, we derive the analytical expressions for exact and asymptotic secrecy outage probability by using the stochastic geometry method. Finally, simulations are carried out to verify our proposed analytical models.
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