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A Fair Power Splitting Algorithm for Simultaneous Wireless Information and Energy Transfer in CoMP Downlink Transmission
Xidian University, Peoples R China.
Xidian University, Peoples R China.
University of Essex, England.
University of Essex, England; University of Luxembourg, Luxembourg.
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2015 (English)In: Wireless personal communications, ISSN 0929-6212, E-ISSN 1572-834X, Vol. 85, no 4, 2687-2710 p.Article in journal (Refereed) PublishedText
Abstract [en]

A power splitting approach for simultaneous wireless information and energy transfer is provided in this paper. We consider coordinated multipiont downlink transmission with M base stations (BSs) and J mobile stations (MSs). The main goal of this paper is to maximize per-MS data rate and receiving energy by dynamically optimizing transmitting beamformer. To improve fairness, this problem can be formulated to maximize the minimum rate of all J MSs with per-BS transmitting power constraints and per-MS receiving energy constraints, which is NP-hard problem. Minimum mean square error receiver, affine approximation and alternative convex optimization (ACO) methods are introduced to decompose the original NP-hard problem to several convex subproblems which can be solved by second-order cone programming with low rank (which is equal to the number of data streams) solutions, and then a fast heuristic algorithm is provided to solve the original problem. Numerical results show that the proposed algorithm can achieve fairness, and outperforms sum rate scheme in terms of fairness and outage probability. The fast convergency also demonstrates the proposed algorithms good performance.

Place, publisher, year, edition, pages
SPRINGER , 2015. Vol. 85, no 4, 2687-2710 p.
Keyword [en]
Simultaneous wireless information and energy transfer; Coordinated multipoint; Fairness; Power splitting
National Category
Civil Engineering
URN: urn:nbn:se:liu:diva-123795DOI: 10.1007/s11277-015-2928-7ISI: 000365730000059OAI: diva2:892933

Funding Agencies|China Scholarships Council [201406960046]; National Natural Science Foundation of China [61372070]; Natural Science Basic Research Plan in Shaanxi Province of China [2015JM6324]; Hong Kong, Macao and Taiwan Science & Technology Cooperation Program of China [2015DFT10160]; EU [PIRSES-GA-2011-295222]; National High-Tech R & D Program (863 Program) [2015AA015701]; UK EPSRC [EP/K002643/1]; National High-Tech R&D Program (863 Program) [2015AA015701]; 111 Project [B08038]

Available from: 2016-01-11 Created: 2016-01-11 Last updated: 2016-01-11

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