NDLI: Resource allocation and frequency reusing for multihop relay systems

Content Provider	IEEE Xplore Digital Library
Author	Alikhani, E. Seyyed Mahboobi, B. Ardebilipour, M. Alikhani, A. Seyyed
Copyright Year	2011
Description	Author affiliation: K.N. Toosi University of Technology (Alikhani, E. Seyyed; Mahboobi, B.; Ardebilipour, M.) \|\| Urmia University (Alikhani, A. Seyyed)
Abstract	Summary from only given. In this paper, an adaptive resource allocation (subframe, subcarrier, bit and power allocation) in a cellular multiuser OFDMA-based relay network is considered. We have studied a Margin Adaptive problem which satisfies link rate requirements with minimum total base station and relay stations power for a fixed set of discrete modulation levels. This problem has been previously solved by various optimization techniques such as integer programming algorithms, relaxed Integer Programming, suboptimal heuristic methods and finally greedy algorithm for adaptive bit loading. In our work we have proposed a method for distributing the users randomly and almost uniformly in a network, a method for dynamic user selection in the central base stations, an algorithm for subcarrier allocation in a relay-cellular network with frequency reusing to extend the coverage and minimize power consumption. Finally we have compared the performance of our proposed algorithm with static methods and non-frequency reusing schemes and showed the prominent achievable gain.
Sponsorship	IEEE Iran Sect.
Starting Page	1
Ending Page	1
File Size	124056
Page Count	1
File Format	PDF
ISBN	9781457707308
e-ISBN	9789644634284
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-05-17
Publisher Place	Iran
Access Restriction	Subscribed
Rights Holder	AmirKabir Univ of Tech
Subject Keyword	Resource allocation OFDMA Cellular network Frequency resusing
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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