NDLI: Interference constrained soft frequency reuse for uplink ICIC in LTE networks

Content Provider	IEEE Xplore Digital Library
Author	Al-Shalash, M. Khafizov, F. Zhijun Chao
Copyright Year	2010
Description	Author affiliation: Huawei Technologies, North American Research Center, USA (Al-Shalash, M.) \|\| Huawei Technologies, Moscow Research Center, Russia (Khafizov, F.) \|\| Huawei Technologies, Shanghai Research Center, China (Zhijun Chao)
Abstract	Careful management of inter-cell interference is important in OFDMA based systems such as LTE. In this paper, we study an uplink ICIC (Inter-cell Interference Coordination) mechanism, which fully utilizes the flexibility of frequency selective scheduling and rate adaptation, while dynamically limiting the interference experienced by the neighboring cells. This technique can be seen as an extension of soft frequency reuse SFR, which has been widely studied for the downlink. The proposed technique provides a flexible and efficient way of sharing resources between the cell-edge and cell-center users, without the need to strictly classify each UE into one of these categories. It avoids the loss of trunking efficiency inherent in static classification of users according to their geographical location within the serving cell. We analyze the proposed method, and evaluate its performance using system level simulations. The simulation results illustrate the effectiveness of our method.
Starting Page	1882
Ending Page	1887
File Size	639916
Page Count	6
File Format	PDF
ISBN	9781424480173
e-ISBN	9781424480166
DOI	10.1109/PIMRC.2010.5671621
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-09-26
Publisher Place	Turkey
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Interference OFDM Resource management Signal to noise ratio Frequency conversion Radio spectrum management Color
Content Type	Text
Resource Type	Article

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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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