NDLI: Cooperative resource allocation algorithms in cellular orthogonal frequency-division multiple access systems for target signal-to-interference plus noise ratio provision

Content Provider	IET Digital Library
Author	Andargoli, Seyed Mehdi Hosseini pour, Kamal Mohamed
Abstract	This study addresses subcarrier allocation and power distribution in a sectorised two-cell downlink orthogonal frequency-division multiple access system impaired by multicell interference. The objective is to maximise the sum spectral efficiency in a way that the signal-to-interference plus noise ratio (SINR) of the transmitted data substream on each subcarrier meets a target SINR. In cellular systems because of intercell interference, it may not be possible to guarantee the target SINR in all cells simultaneously; therefore the authors have suggested a cooperative resource allocation algorithm which tries to provide the target SINR per subcarrier in all cells through cooperation in the interference control. For a considered subcarrier, if achieving the target SINR is impossible by the interference reduction, one base station avoids transmission on the considered subcarrier so that another base station can meet the target SINR. For complexity reduction, a simplified resource allocation algorithm is then provided based on the separation of subcarrier allocation and power control. Simulation results show that the proposed algorithms not only guarantee the target SINR but achieve more sum spectral efficiency than benchmark algorithms in many practical situations.
Starting Page	1488
Ending Page	1498
Page Count	11
ISSN	17518628
Volume Number	8
e-ISSN	17518636
Issue Number	Issue 9, Jun (2014)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-com/8/9
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-com.2013.0028
Journal	IET Communications
Publisher Date	2014-05-01
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Base Station Cellular Orthogonal Frequency-division Multiple Access System Cellular Radio Complexity Reduction Control Application in Data Transmission Cooperative Communication Cooperative Resource Allocation Algorithm Data Substream Frequency Division Multiple Access Intercell Interference Interference Reduction Mobile Radio System Modulation And Coding Method Multicell Interference Multiple Access Communication OFDM Modulation Power And Energy Control Power Control Power Distribution Resource Allocation Sectorised Two-cell Downlink OFDMA System Signal Denoising Signal Processing And Detection SINR Subcarrier Allocation Separation Sum Spectral Efflciency Target Signal-to-interference Plus Noise Ratio Provision Telecommunication Control
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering Computer Science Applications

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