On the Energy-Efficient Power Allocation for Amplify-and-Forward Two-Way Relay Networks

Xu, Mingyue; Wang, Ying; Li, Gen; Lin, Wenxuan

doi:10.1109/vetecf.2011.6092920

Cited by 5 publications

(4 citation statements)

References 11 publications

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“…In Waqar et al 22 and Abou Elkheir et al, 23 energy maximization is studied using AF relay selection with error performance constraint. In Xu et al 24 and Huang et al, 25 energy efficiency was analyzed with power constraint using cooperative relaying selection.…”

Section: Introductionmentioning

confidence: 99%

Energy‐efficient multiple cooperative moving relay selection for heterogeneous nonorthogonal‐multiple access systems

Khan

Chauhan²,

Singh³

2022

Int J Communication

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In a high-speed vehicular scenario, due to vehicle penetration loss (VPL) and fast signal fluctuations, frequent handovers occur, which results in more battery consumption. So power saving is a critical concern in high-speed wireless networks. In the past, moving relay (MR)-based heterogeneous network (HetNet) models were proposed and studied to overcome the effect of VPL, but the issue of power saving has not been studied till now for vehicular HetNet.

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Section: Introductionmentioning

confidence: 99%

Energy‐efficient multiple cooperative moving relay selection for heterogeneous nonorthogonal‐multiple access systems

Khan

Chauhan²,

Singh³

2022

Int J Communication

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“…Thus, green communication has become the critical focus of many researchers [13][14][15] where "low energy is the key performance" [16]. An energy-efficient power allocation for SISO two-way relay networks with AF protocol has been proposed in [17][18][19][20][21][22][23]. In [23], the EE expression of SISO two-way relay networks has been derived where an algorithm that optimises the energy efficiency under the relay power constraint has been designed.…”

Section: Introductionmentioning

confidence: 99%

Energy-efficient AF OSTBC-MIMO systems for two-way relaying considering circuit energy consumption

Yahia

Hamdi

2015

2015 International Wireless Communications and Mobile Computing Conference (IWCMC)

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Low energy consumption is being one of the most important criteria used by network designers to evaluate performances and ensure reliability of next-generation wireless communication systems. A framework for energy efficiency (EE) optimization in cooperative two-way Multiple Input Multiple Output (MIMO) systems with amplify-and-forward (AF) relaying and Orthogonal Space Time Block Code (OSTBC) under data rate constraint is studied in this paper. We evaluate the total consumed energy that includes both the transmitted energy and the circuit energy consumption. The energy minimization problem is written in a geometric form and then solved employing a useful optimization tool denoted as a Matlab solver for geometric programs in posynomial form (gpposy). The effect of antennas number and the relay's position on the total energy consumption is also investigated through this work. Simulation results show that the proposed scheme decreases the total energy consumption compared to single antenna per node networks.

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“…Recently, some works have investigated energy related designs in two-way relay networks [10][11][12][13][14][15]. An efficient power allocation scheme to minimize the total transmit power consumption was presented in [10] for the machine-tomachine networks, where the source node communicated with its corresponding destination node via one or more relays.…”

Section: Introductionmentioning

confidence: 99%

“…The authors in [12] proposed a transmission scheme to minimize the energy consumed per bit transmitted for both one-way and two-way relay networks by joint relay selection and power allocation. Reference [13] investigated a joint relay selection and power allocation scheme to minimize overall transmit power while ensuring a certain data rate. However, the circuit power was ignored in all of them.…”

Section: Introductionmentioning

confidence: 99%

Energy Efficient Design for Two-Way AF Relay Networks

Zheng²,

Zhao³

et al. 2014

International Journal of Antennas and Propagation

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Conventional designs on two-way relay networks mainly focus on the spectral efficiency (SE) rather than energy efficiency (EE). In this paper, we consider a system where two source nodes communicate with each other via an amplify-and-forward (AF) relay node and study the power allocation schemes to maximize EE while ensuring a certain data rate. We propose an optimal energy-efficient power allocation algorithm based on iterative search technique. In addition, a closed-form suboptimal solution is derived with reduced complexity and negligible performance degradation. Numerical results show that the proposed schemes can achieve considerable EE improvement compared with conventional designs.

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On the Energy-Efficient Power Allocation for Amplify-and-Forward Two-Way Relay Networks

Cited by 5 publications

References 11 publications

Energy‐efficient multiple cooperative moving relay selection for heterogeneous nonorthogonal‐multiple access systems

Energy‐efficient multiple cooperative moving relay selection for heterogeneous nonorthogonal‐multiple access systems

Energy-efficient AF OSTBC-MIMO systems for two-way relaying considering circuit energy consumption

Energy Efficient Design for Two-Way AF Relay Networks

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