NDLI: Optimal resource management for device-to-device communications underlaying SC-FDMA systems

Content Provider	IEEE Xplore Digital Library
Author	Yue Wu Siyi Wang Weisi Guo Xiaoli Chu Jie Zhang
Copyright Year	2014
Description	Author affiliation: Inst. for Telecommun. Res., Univ. of South Australia, Mawson Lakes, SA, Australia (Siyi Wang) \|\| Sch. of Eng., Univ. of Warwick, Coventry, UK (Weisi Guo) \|\| Dept. of Electron. & Electr. Eng., Univ. of Sheffield, Sheffield, UK (Yue Wu; Xiaoli Chu; Jie Zhang)
Abstract	In this paper we propose an optimal resource management scheme for device-to-device (D2D) communications utilising uplink resources in a Single Carrier Frequency Division Multiple Access (SC-FDMA) system, which is the uplink access scheme in the 3GPP-Long Term Evolution (LTE) standard. We consider an arbitrary number of conventional cellular (CC) User Equipments (UEs) and D2D UEs, both utilising the same uplink resources. We leverage a practical capacity formula that takes into account the saturation effects of practical modulation schemes to optimise the power control for both CC and D2D UEs subject to certain Quality-of-Service (QoS) constraints. We then formulate the resource block (RB) allocation problem as a job sequence problem and apply the dynamic programming algorithm to solve the problem. Finally, we combine these two aspects together and propose a composite resource management scheme for D2D communications. Simulation results show that by our proposed scheme, a substantial improvement in the total throughput of D2D communications can be achieved while maintaining the QoS requirements of CC UEs.
Starting Page	569
Ending Page	574
File Size	148750
Page Count	6
File Format	PDF
ISBN	9781479925810
DOI	10.1109/CSNDSP.2014.6923893
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-07-23
Publisher Place	UK
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Transmitters Power control radio resource management Interference Quality of service Throughput Resource management Uplink Device-to-device (D2D) communication capacity
Content Type	Text
Resource Type	Article

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