NDLI: A Modified Power Control Scheme in OFDMA Uplink

Content Provider	IEEE Xplore Digital Library
Author	Zhongnian Li Zheng Jiang Yafeng Wang Dacheng Yang
Copyright Year	2008
Description	Author affiliation: Wireless Theor. & Technol. Lab. (WT&T), Beijing Univ. of Posts & Telecommun., Beijing (Zhongnian Li; Zheng Jiang; Yafeng Wang; Dacheng Yang)
Abstract	In OFDMA cellular system, the inter-cell interference is the dominating interference of the system, which greatly degrades the system performance, especially for the user at cell edge. The power control in uplink is an effective method to control the inter-cell interference. In this paper, we propose a modified uplink power control scheme utilizing the path loss difference between the serving cell and strongest neighbor cell without any additional signaling. The proposed power control scheme can provide a better tradeoff between average throughput and the cell edge throughput. Besides, it can make interference over thermal (IoT) more steady compared to the conventional fractional power control scheme. Simulation results show that the proposed power control scheme has 10% gain at a specific IoT operating point.
Starting Page	1
Ending Page	5
File Size	153980
Page Count	5
File Format	PDF
ISBN	9781424421077
DOI	10.1109/WiCom.2008.189
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-10-12
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Fading Degradation OFDM System performance Power control 3G mobile communication Interference Throughput Scheduling Multiaccess communication
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
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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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