NDLI: Enhancing user fairness in non-orthogonal access with successive interference cancellation for cellular downlink

Content Provider	IEEE Xplore Digital Library
Author	Umehara, J. Kishiyama, Y. Higuchi, K.
Copyright Year	2012
Description	Author affiliation: Radio Access Network Development Department, NTT DOCOMO, INC., Japan (Kishiyama, Y.) \|\| Graduate School of Science and Technology, Tokyo University of Science, Japan (Umehara, J.; Higuchi, K.)
Abstract	Aiming at a better tradeoff between the system frequency efficiency measured by the mean user throughput and the user fairness measured by the cell-edge user throughput, we propose applying fractional frequency reuse (FFR) and weighted proportional fair (PF)-based multiuser scheduling to non-orthogonal access with a successive interference canceller (SIC) in the cellular downlink. We also propose a frequency block access policy for cell-interior and cell-edge user groups in FFR, which are appropriate for non-orthogonal access with the SIC. The optimum power is allocated to the non-orthogonally multiplexed users in conjunction with the weighted multiuser PF scheduler. Extensive simulation results show that the proposed non-orthogonal access scheme with the SIC significantly enhances the system frequency efficiency and user fairness at the same time compared to orthogonal access, which is widely used in 3.9 and 4G mobile communication systems.
Starting Page	324
Ending Page	328
File Size	702703
Page Count	5
File Format	PDF
ISBN	9781467320528
e-ISBN	9781467320542
DOI	10.1109/ICCS.2012.6406163
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-11-21
Publisher Place	Singapore
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Throughput Silicon carbide OFDM Interference Frequency division multiplexing Resource management Bandwidth
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
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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