Resource optimization for dual-hop device to device networks

Muhammad Afaq Ahmad (), Muhammad Waqas (), Waleed Ahmad Khan (), Zain Ali () and Guftaar Ahmad Sardar Sidhu ()
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Muhammad Afaq Ahmad: Pakistan Telecommunication Company Limited
Muhammad Waqas: Bahria University
Waleed Ahmad Khan: KCC Engineering And Contracting Company
Zain Ali: COMSATS Institute of Information Technology
Guftaar Ahmad Sardar Sidhu: COMSATS Institute of Information Technology

Telecommunication Systems: Modelling, Analysis, Design and Management, 2018, vol. 69, issue 3, No 2, 273-283

Abstract: Abstract In this paper, we consider an orthogonal frequency division multiplexing based device to device network. The communication between source and destination is facilitated by a dual-hop transmission under amplify and forward relaying protocol. The sum throughput of the system is maximized with joint optimization over power allocation at each transmitting node and sub-carrier pairing over two hops. A dual decomposition based solution is proposed subject to separate transmit power constraint at each node. Simulation results are presented to validate the performance of the proposed algorithm where the results are compared with the existing works in literature as well as with a sub-optimal power optimization solution.

Keywords: D2D transmission; Dual-hop communication; OFDM; Power optimization (search for similar items in EconPapers)
Date: 2018
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DOI: 10.1007/s11235-018-0439-z

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