NDLI: Distributed Spectrum-Efficient Routing Algorithms in Wireless Networks

Content Provider	IEEE Xplore Digital Library
Author	Deqiang Chen Haenggi, M. Nicholas Laneman, J.
Copyright Year	2007
Description	Author affiliation: Univ. of Notre Dame, Notre Dame (Deqiang Chen; Haenggi, M.; Nicholas Laneman, J.)
Abstract	This paper applies spectral efficiency as a performance measure for routing schemes and considers how to obtain a good route in a wireless network as the network signal-to-noise ratio (SNR) varies. The motivation for this study is to combine different wireless routing perspectives from networking and information theory. The problem of finding the optimum route with the maximum spectral efficiency is difficult to solve in a distributed fashion. Motivated by an information-theoretical analysis, this paper proposes two suboptimal alternatives, namely, the approximately ideal path routing (AIPR) scheme and the distributed spectrum-efficient routing (DSER) scheme. AIPR finds a path to approximate an optimum regular path that might not exist in the network and requires location information. DSER is more amenable to distributed implementations based on Bellman-Ford or Dijkstra's algorithms. The spectral efficiency of AIPR and DSER for random networks approaches that of nearest-neighbor routing in the low SNR regime and that of direct communication in the high SNR regime. Around the regime of 0 dB SNR, the spectral efficiency of DSER is up to twice that of nearest-neighbor routing or direct communication.
Starting Page	649
Ending Page	654
File Size	1716743
Page Count	6
File Format	PDF
ISBN	1424410633
DOI	10.1109/CISS.2007.4298387
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-03-14
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Wireless communication Wireless networks Bandwidth Channel allocation Throughput Physical layer Routing protocols Relays Information theory Information analysis
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
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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