Volume 9 Number 5 (May 2014)
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JCP 2014 Vol.9(5): 1218-1225 ISSN: 1796-203X
doi: 10.4304/jcp.9.5.1218-1225

Optimal Resource Allocation Scheme for Satisfying the Data Rate Requirement in Hybrid Network of D2D-Cellular

Wenwen Liu, Yang Yang, Tao Peng, Wenbo Wang
Wireless Signal Processing and Network Lab, Key Laboratory of Universal Wireless Communication Ministry of Education, Beijing University of Posts & Telecommunications

Abstract—In this paper, an optimal wireless resources allocation scheme is put forward to improve the performance for both cellular and Device-to-Device (D2D) users in a hybrid network. The resource unit and power allocation can be modeled into a sum-rate optimization problem with the constraint of power limitation and rate ratio. The rate ratio is used to measure the data rate requirements from both cellular and D2D users. By using the Lagrange Multiplier Method, we derived out the optimal formula about allocating the power and resource unit for both cellular and D2D users. According to the optimal formula, the relationship between the transmission power and resource unit allocation is mutually conditional. Then the resource allocation scheme algorithm was given. And the power allocation can be resolved by the water-filling algorithm. Simulation results show that the proposed scheme improves the sum-throughput significantly as well as the fairness.

Index Terms—hybrid network, Device-to-Device (D2D) communication, resource allocation, power control, fairness

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Cite: Wenwen Liu, Yang Yang, Tao Peng, Wenbo Wang, "Optimal Resource Allocation Scheme for Satisfying the Data Rate Requirement in Hybrid Network of D2D-Cellular," Journal of Computers vol. 9, no. 5, pp. 1218-1225, 2014.

General Information

ISSN: 1796-203X
Abbreviated Title: J.Comput.
Frequency: Monthly
Editor-in-Chief: Prof. Liansheng Tan
Executive Editor: Ms. Nina Lee
Abstracting/ Indexing: DBLP, EBSCO,  ProQuest, INSPEC, ULRICH's Periodicals Directory, WorldCat, CNKI,etc
E-mail: jcp@iap.org
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