2018
DOI: 10.1109/jiot.2018.2837120
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Outage Probability and Throughput Analysis of SWIPT Enabled Cognitive Relay Network With Ambient Backscatter

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Cited by 53 publications
(53 citation statements)
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“…We conclude that µ > 0, since Theorem 1 implies P ⋆ k = 0, ∀k, and the objective value is zero, if µ ≤ 0, which is in contradiction with the optimality of {P ⋆ k }'s. From Theorem 1, the optimal solution of problem (13) can be obtained as follows. With G(λ, θ, µ) obtained for each given pair of λ, θ and µ, the optimal dual variables λ, θ and µ that minimize G(λ, θ, µ) can then be efficiently obtained by a sub-gradient based algorithm, with the subgradient of G(λ, θ, µ) given by…”
Section: Proof Please See Appendix Amentioning
confidence: 99%
“…We conclude that µ > 0, since Theorem 1 implies P ⋆ k = 0, ∀k, and the objective value is zero, if µ ≤ 0, which is in contradiction with the optimality of {P ⋆ k }'s. From Theorem 1, the optimal solution of problem (13) can be obtained as follows. With G(λ, θ, µ) obtained for each given pair of λ, θ and µ, the optimal dual variables λ, θ and µ that minimize G(λ, θ, µ) can then be efficiently obtained by a sub-gradient based algorithm, with the subgradient of G(λ, θ, µ) given by…”
Section: Proof Please See Appendix Amentioning
confidence: 99%
“…Case 1. During the geometric WF based power distribution phase, if there is no power available at relay for the successful transmission of a particular signal to its corresponding destination (see lines (9) and (22) of Algorithm 1), the whole received signal is harvested ( = 1).…”
Section: )mentioning
confidence: 99%
“…The idea of wireless energy harvesting offers a practical solution to extend the lifetime of energy constrained networks and also improve communication reliability. Due to these features, recent research works have widely studied its use in state-of-the-art next-generation technologies such as machine-to-machine communications (M2M), Internet of Things (IoT), MIMO, and 5G cellular networks [9][10][11][12]. Moreover, it is also well-known that relays can extend the coverage, improve quality-of-service (QoS), and improve capacity of networks by dividing the direct source-to-destination communication channel into two appropriate source-to-relay and relay-to-destination communication paths [13].…”
Section: Introductionmentioning
confidence: 99%
“…The authors in [27] derived the outage probability of the backscatter link for a two-state modulation at the BD. The authors of [28] considered the backscatter links as the secondary users in a cognitive relay network, and derived the outage probabilities of both the primary and backscatter links. In [29], the authors proposed a novel hybrid deviceto-device (D2D) transmitter that alternately operates in the backscatter mode and the HTT mode, and analyzed the outage probability and the average outage capacity.…”
Section: Introductionmentioning
confidence: 99%
“…In [21] and [27], the energy outage event was not considered. The studies [11]- [17], [19], [20], [22]- [26], [28], [29] assume a linear energy harvesting (EH) model at the BD, which fails to characterize the inherent non-linearity of a practical energy harvester [30]- [32]. The use of an inaccurate EH model will affect the accuracy of signal-to-interferenceplus-noise ratios (SINRs) for both legacy and backscatter links.…”
Section: Introductionmentioning
confidence: 99%