NDLI: Discrete location-aware resource allocation for underlay device-to-device communications in cellular networks

Content Provider	IET Digital Library
Author	Feng, Zebing Feng, Zhiyong Gulliver, Thomas Aaron
Abstract	Device-to-device (D2D) communications underlaying a cellular network is an efficient way to enhance spectral efficiency via resource sharing between D2D and cellular users (CUs). In this study, a discrete location-aware (DLA) interference model for D2D users is presented to allocate cellular resources. The vicinity of a CU is discretised into multiple regions, and the number of active D2D users in each region is constrained to satisfy the CU QoS requirements. Considering the locations of D2D users affecting the interference to CUs and thus the achievable rate, the formulated non-linear 0–1 knapsack resource allocation (RA) problem is divided into two subproblems: (i) the optimal amount of shared resources between the two types of users; (ii) the optimum subset of D2D users which transmit. The conditions of D2D users spatial deployment and resources reuse portion to achieve the solutions of the two subproblems are theoretically derived and proven. Then a DLA-RA algorithm is proposed to solve the corresponding subproblems in both single CU and multiple CUs cases. Extensive simulations results are presented which verify the effectiveness of the proposed DLA interference model and the RA scheme.
Starting Page	2482
Ending Page	2489
Page Count	8
ISSN	17518628
Volume Number	11
e-ISSN	17518636
Issue Number	Issue 16, Nov (2017)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-com/11/16
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-com.2017.0367
Journal	IET Communications
Publisher Date	2017-07-28
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Cellular Network Cellular Radio CU QoS D2D Communication Device-to-device Communication Discrete Location-aware Resource Allocation DLA Interference Model DLA-RA Algorithm Electromagnetic Compatibility Interference Knapsack Problem Mobile Radio Mobile Radio System Mobility Management Nonlinear Knapsack Resource Allocation Problem Quality of Service Radio Frequency Interference Radio Spectrum Management Resource Allocation Resource Sharing Spectral Efficiency
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering Computer Science Applications

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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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