Energy Harvesting Relay Network

Energy harvesting (EH) is a promising technique to extend the lifetime energy-constrained devices in wireless networks. This paper analyses the significance of relay …

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Do energy aware relay selection schemes improve security and reliability?

[ 19] presented an energy aware relay selection scheme in the EH cognitive radio network for enhancing the security and reliability of the system. In [ 20 ], the outage probability performance was investigated in a energy harvesting wireless body area network.

What is Energy Harvesting (EH)?

Energy harvesting (EH), which can extract energy from ambient energy sources, is emerging as an efficient technology to extend the lifetime and improve energy efficiency of the wireless devices, and has been widely used in the wireless communications [ 12, 13, 14 ].

How do eh relays work?

The EH relays all equip with a power splitter to divide the received signal power into two parts, which are used for signal processing and information forwarding, respectively. The power splitting ratio depicts the trade-off between the relaying energy and decoding energy.

What is Ops-JSRs scheme in energy harvesting DF relay system?

In this paper, we proposed an optimal power splitting and joint source-relay selection (OPS-JSRS) scheme in energy harvesting DF relay system. In the OPS-JSRS scheme, a source and relay pair maximizing the main link capacity was selected to transmit the messages.

What is the optimal power allocation scheme for EH cooperative wireless network?

[ 21] proposed an optimal power allocation scheme for EH cooperative wireless network and derived the closed-form optimal power allocation factor. In [ 22 ], the authors formulated a power allocation problem by maximizing the energy efficiency. The closed-form solution is obtained with the aid of nonlinear fractional programming.

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Relay selection and nonlinear energy harvesting in full-duplex …

Energy harvesting (EH) is a promising technique to extend the lifetime energy-constrained devices in wireless networks. This paper analyses the significance of relay …

Outage Probability of Energy Harvesting Relay-Aided Cooperative ...

It is proved that a multiplicative gain for improving system performance in terms of minimizing outage probability can be obtained by energy harvesting relay-aided cooperative transmission. Energy harvesting technique is a potential way for relay node energy supply in cooperative networks with respect to deployment flexibility and maintenance charge reduction. …

Outage analysis for NOMA‐based energy harvesting relay network …

In this study, a relay assisted order energy harvesting-based non-orthogonal multiple access (NOMA) network is considered where the relay harvests energy from radio frequency signal of the source. A transmit antenna selection scheme is considered at the source under imperfect channel state information (CSI).

Energy Efficiency Optimization for RF Energy Harvesting Relay …

2.1 System Model. As shown in Fig. 1, this chapter studies the RF-EH multi-relay network scenario, including a base station BS, a source node S and K relay nodes, each relay works in AF half-duplex mode, the entire transmission bandwidth is divided equally into N sub-carriers. BS has a constant energy supply to ensure reliable communication. The source node …

Energy saving optimization for relay-assistance SWIPT network …

In this paper, to reduce the negative effect of unpractical ideal linear energy harvesting in SWIPT network, we establish a joint optimization model of SWIPT relay …

Energy-Efficient Mobile Edge Computing System Based on Full …

DOI: 10.1109/GLOBECOM42002.2020.9348248 Corpus ID: 231972309; Energy-Efficient Mobile Edge Computing System Based on Full-Duplex Energy Harvesting Relay Network @article{Chen2020EnergyEfficientME, title={Energy-Efficient Mobile Edge Computing System Based on Full-Duplex Energy Harvesting Relay Network}, author={Chao Chen and Xi Li and …

Wireless Energy Harvesting in a Cognitive Relay Network

This paper investigates the outage performance of multihop energy harvesting cognitive relay network (EH-CRN), in which the secondary nodes are powered by dedicated power beacons based on the time splitting strategy, and investigates the optimal location of the relay node in a one dimensional two-hop secondary network that minimizes the outage …

Energy harvesting two-way relaying with antenna selection scheme

in relay network was considered. Energy harvesting AF relaying in the presence of interference and Nakagami-m fading was presented in [ 9]. On the other hand, energy harvesting relaying in the context ... harvesting energy, the relay broadcasts the processed signal xR to both end nodes A and B in the second time slot, known as the BC phase ...

Trajectory design of UAV-aided energy-harvesting relay networks …

In this paper, a UAV-assisted relay network capable of harvesting energy from a source is designed by exploiting the radio frequency band and transmitting information between the …

Full-Duplex Energy-Harvesting Relay Networks: Capacity-Maximizing Relay ...

The design of a greedy RS method with quadratic complexity for FDEH relay networks is presented, which achieves near-optimum performance in terms of the end-to-end capacity with significantly reduced complexity. In this study, we investigate the relay selection (RS) problem in full-duplex energy-harvesting (FDEH) relay networks, where the relays are wirelessly powered …

Physical layer security in cognitive radio network with energy ...

A dual hop communication network consisting of an energy harvesting relay that harvests energy from radio transmission of secondary user (SU) network using a time switching relay (TSR) scheme is studied.

Hybrid TSR–PSR Alternate Energy Harvesting Relay Network …

In this research, we investigate a hybrid time-switching relay (TSR)–power-splitting relay (PSR) alternate energy harvesting (EH) relaying network over the Rician fading channels. For this purpose, the amplify-and-forward (AF) mode is considered for the alternative hybrid time TSR–PSR. The system model consists of one source, one destination and two alternative …

Power Splitting and Source-Relay Selection in Energy Harvesting ...

This paper investigates the performance of an energy-harvesting (EH) relay network, where multiple sources communicate with a destination via multiple EH decode-and …

Outage analysis for NOMA-based energy harvesting relay network …

for RF-based energy harvesting network to enhance the system performance. TAS is a scheme to transmit data by a single antenna having the strongest channel between source and relay [25, 26]. ... • An energy harvesting-based relay assisted mth order NOMA network is proposed with TAS scheme at the source node to enhance the amount of harvested ...

Power Splitting and Source-Relay Selection in Energy Harvesting ...

In this paper, we consider an energy-harvesting (EH) relay network composing of multiple sources, a destination and multiple EH decode-and-forward (DF) relays. The EH relays all equip with a power ...

Time-Switching Energy Harvesting Relay Optimizing ...

Energy harvesting (EH) from natural and man-made sources is of prime importance for enabling the Internet of Things (IoT) networks. Although, energy harvesting relays in a relay network, which form building blocks of an IoT network, have been considered in the literature, most of the studies do not account for the processing costs, such as the decoding …

Wireless Energy Harvesting in a Cognitive Relay Network

In this paper, a new wireless energy harvesting protocol is proposed for an underlay cognitive relay network with multiple primary user (PU) transceivers. In this protocol, …

Performance analysis of energy-harvesting-aware multi-relay networks …

This paper investigates the outage performance of an energy-harvesting(EH) relay-aided cooperative network, where the source node transmits information to its destination node with the help of multiple energy-harvesting cooperative nodes. For such a system, we derive an explicit closed-form expression of outage probability over Nakagami-m fading channels, …

Energy harvesting relay selection and power allocation in …

We propose two relay selection schemes to maximize the secrecy sum-rate while satisfying constraints on the secrecy outage probability (SOP) of NOMA users and …

Security-reliability analysis and optimization for cognitive two-way ...

This paper investigates the security and reliability of information transmission within an underlay wiretap energy harvesting cognitive two-way relay network. In the network, energy-constrained secondary network (SN) nodes harvest energy from radio frequency signals of a multi-antenna power beacon. Two SN sources exchange their messages via a SN decode …

Wireless Energy Harvesting in a Cognitive Relay Network

2498 IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS, VOL. 15, NO. 4, APRIL 2016 Wireless Energy Harvesting in a Cognitive Relay Network Yuanwei Liu, Student Member, IEEE, S. Ali Mousavifar, Member, IEEE, Yansha Deng, Student Member, IEEE, Cyril Leung, Member, IEEE, and Maged Elkashlan, Member, IEEE Abstract—Wireless energy harvesting is regarded …

NOMA With Battery-Assisted Energy Harvesting Full-Duplex Relay

This paper investigates the performance of a non-orthogonal multiple access (NOMA) network with simultaneous wireless information, and power transfer (SWIPT) based battery-assisted energy harvesting (EH) full-duplex relay, and derives closed-form expressions for the NU, and FU outage probabilities. This paper investigates the performance of a non …

Analysis of energy harvesting cognitive relay network with …

In this paper, we develop an analytical framework for the energy harvesting cognitive cooperative relay network with spectrum sensing, where the secondary source and …

Cognitive Relay Networks With Energy Harvesting and …

Numerical results show that the proposed protocol not only achieves both the primary and secondary transmissions but also harvests the ambient energy. In this paper, a wireless energy harvesting and information transfer protocol in cognitive relay networks is investigated, where an energy harvesting secondary network shares the spectrum as well as …

Relay selection based on energy harvesting in two-way full

In this paper, the time switching (TS) relay protocol and the self-energy recycling (SER) relay protocol are integrated into a two-way full-duplex (FD) relay network. For the proposed TS FD relay protocol, the joint optimization of the TS factor and the relay selection (RS) problem is proposed, where the relay nodes switch between energy harvesting (EH) and FD …

Analysis of energy harvesting cognitive relay network with …

We consider a energy harvesting cognitive relay networks as shown in Fig. 1, where the time slot structure of communication procedure is divided into cooperative spectrum sensing phase and …

Performance Analysis of Energy Harvesting-Based Relay

The outage and throughput evaluation of the RF energy harvesting-assisted DF relay-based CR network have shown in . In [9,10,11], the authors analyzed outage performance for multi-hop relay-assisted cognitive radio networks with all secondary nodes turned on dedicated power beacon following the time switching relay (TSR) protocol.

Power Splitting and Source-Relay Selection in Energy Harvesting ...

the security and reliability of the relay network [10, 11]. Energy harvesting (EH), which can extract energy from ambient energy sources, is emerging as an ecient technology to extend the lifetime and improve energy eciency of the wireless devices, and has been widely used in the wireless communications [12–14].

Wireless Energy Harvesting Two-Way Relay …

This paper considers a wireless energy harvesting two-way relay (TWR) network where the relay has energy-harvesting abilities and the effects of practical hardware impairments are taken into consideration.

Secrecy Rate-Optimum Energy Splitting for an Untrusted and Energy ...

In this paper, a destination-assisted-jamming-based secure transmission is devised for an untrusted and energy harvesting relay network. In the proposed scheme, both source and destination split their energies into two parts for energy harvesting at the relay and transmissions of confidential and cooperative jamming signals, respectively. We formulate an optimization …

Energy harvesting relay-antenna selection in cooperative …

These results characterize the effects of various system parameters, such as power allocation factors, the numbers of antenna and relay nodes, power-splitting ratio, successive interference cancellation and energy- Harvesting efficiency, on the system performance of two users of MIMO/NOMA. In this paper, a combination system of multi …

Partial Relay Selection in Energy Harvesting Based NOMA Network …

In this paper, we analyse the performance of partial relay selection (PRS) for non orthogonal multiple access (NOMA) dual hop relay assisted network, where a source (S) node transmits two signals to respective two destinations $$(D_1,D_2)$$ ( D 1, D 2 ) with help of relays. All the relays are powered by harvested energy from RF signal of source. The …

Secrecy Outage of an Energy Harvesting Multi-relay Network with ...

Secrecy performance of a cooperative communication network is analyzed in which source transmits information to a destination via multiple relays, assisted with multiple antennas, where an eavesdropper is able to eavesdrop the information signal from relay only. The direct link does not exist between source and destination due to deep fading and shadowing …

Wireless Energy Harvesting with Cooperative …

This paper investigates the performance of energy harvesting (EH) relays under the best relay selection (BRS) scheme. The results show …

Performance analysis of energy harvesting cognitive relay

fading channel. Optimal relay location analysis for energy harvesting relay networks (i.e., non cognitive systems) are considered in [29–31]. Optimal relay position for a two-hop network with the relay node powered by the energy scav-enged from the source node has been investigated in [29]. Joint optimal power allocation and relay placement prob-

Secrecy Outage of a Cognitive Radio Network with Selection of Energy ...

The SOP of the CRN is analyzed where energy harvesting relays harvest energy using the time switching scheme. The transmission frame corresponding to TSR scheme is shown in Fig. 2 following [].Here T is the transmission block time for transmitting information from SU-Tx to SU-Rx. (alpha) indicates the fraction of T during which time, the relay harvests energy …

Analysis of Energy Harvesting Cognitive Relay Network

This paper investigates the outage performance of multihop energy harvesting cognitive relay network (EH-CRN), in which the secondary nodes are powered by dedicated power beacons based on the time ...

Wireless Energy Harvesting in a Cognitive Relay Network

Wireless energy harvesting is regarded as a promising energy supply alternative for energy-constrained wireless networks. In this paper, a new wireless energy harvesting protocol is proposed for an underlay cognitive relay network with multiple primary user (PU) transceivers. In this protocol, the secondary nodes can harvest energy from the primary network (PN) while …

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