Capacity maximization based on optimal mode selection in multi-mode and multi-pair D2D communications

Research output: Contribution to journalArticle

Abstract

Device-to-device (D2D) communication is a promising technique to enhance the spectrum efficiency of a cellular network. However, one of the major challenges in D2D communications is to select appropriate communication modes for all possible D2D pairs in a D2D network. In this paper, we study the mode selection problems in a multi-mode and multi-pair D2D network, where the eNB can assign one of the three D2D communication modes (including local route mode, direct D2D mode, and relay D2D mode) to each D2D pair. To achieve the maximal cell-wise capacity, an optimal mode selection algorithm is proposed in this paper with the aim to share cellular users' uplink channels. The optimal mode selection problem can be modeled by an integer programming problem. Particularly, in a fully loaded cell, we discover that the optimal mode selection problem can be solved using a linear programming algorithm with a significantly reduced complexity.

Original languageEnglish
Article number8701678
Pages (from-to)6524-6534
Number of pages11
JournalIEEE Transactions on Vehicular Technology
Volume68
Issue number7
DOIs
Publication statusPublished - 2019 Jul 1

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Communication
Cell
Uplink
Integer programming
Integer Programming
Cellular Networks
Linear programming
Relay
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All Science Journal Classification (ASJC) codes

  • Automotive Engineering
  • Aerospace Engineering
  • Applied Mathematics
  • Electrical and Electronic Engineering

Cite this

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title = "Capacity maximization based on optimal mode selection in multi-mode and multi-pair D2D communications",
abstract = "Device-to-device (D2D) communication is a promising technique to enhance the spectrum efficiency of a cellular network. However, one of the major challenges in D2D communications is to select appropriate communication modes for all possible D2D pairs in a D2D network. In this paper, we study the mode selection problems in a multi-mode and multi-pair D2D network, where the eNB can assign one of the three D2D communication modes (including local route mode, direct D2D mode, and relay D2D mode) to each D2D pair. To achieve the maximal cell-wise capacity, an optimal mode selection algorithm is proposed in this paper with the aim to share cellular users' uplink channels. The optimal mode selection problem can be modeled by an integer programming problem. Particularly, in a fully loaded cell, we discover that the optimal mode selection problem can be solved using a linear programming algorithm with a significantly reduced complexity.",
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Capacity maximization based on optimal mode selection in multi-mode and multi-pair D2D communications. / Chen, Chao-Yu; Sung, Chi An; Chen, Hsiao-Hwa.

In: IEEE Transactions on Vehicular Technology, Vol. 68, No. 7, 8701678, 01.07.2019, p. 6524-6534.

Research output: Contribution to journalArticle

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