NDLI: A Cross-layer Approach to Enhance TCP Fairness in Wireless Ad-hoc Networks

Content Provider	IEEE Xplore Digital Library
Author	Boggia, G. Camarda, P. Grieco, L.A. Mastrocristino, T. Tesoriere
Copyright Year	2005
Description	Author affiliation: Bari Univ. (Boggia, G.; Camarda, P.; Grieco, L.A.; Mastrocristino, T.; Tesoriere)
Abstract	Wireless ad-hoc networks represent an emerging technology, well suited for providing temporary network connectivity where a wired infrastructure cannot be easily set up. The very popular 802.11 standard enables wireless ad-hoc networking, using the distributed coordination function (DCF) for multiple access to the shared radio channel. Unfortunately, the interaction between TCP dynamics, driven by the additive increase multiplicative decrease (AIMD) paradigm, and DCF channel access rules, which are based on the carrier sense multiple access with collision avoidance (CSMA/CA) algorithm, leads to an inefficient spatial channel usage. As a consequence, 802.11 ad-hoc networks provide an unfair service to TCP flows. In order to achieve a reasonable trade-off between throughput and fairness, this paper proposes a cross-layer algorithm that dynamically limits the number of in flight segments in a TCP connection by taking into account measurements of frame collision probability, collected at the MAC layer along the path. Performance of the proposed algorithm have been evaluated by ns-2 simulations; results have shown that the developed cross-layer scheme provides the same goodput, improves fairness in bandwidth sharing, and reduces segment retransmission ratios with respect to the standard TCP over 802.11 MAC
Starting Page	498
Ending Page	502
File Size	2496737
Page Count	5
File Format	PDF
ISBN	078039206X
DOI	10.1109/ISWCS.2005.1547751
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-09-05
Publisher Place	Italy
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Wireless sensor networks Heuristic algorithms Wireless networks Bandwidth Spread spectrum communication Throughput Ad hoc networks Multiaccess communication Standards development Collision avoidance
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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