tailieunhanh - Báo cáo hóa học: " A survey of performance enhancement of transmission control protocol (TCP) in wireless ad hoc networks"

Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành hóa học dành cho các bạn yêu hóa học tham khảo đề tài: A survey of performance enhancement of transmission control protocol (TCP) in wireless ad hoc networks | Mast and Owens EURASIP Journal on Wireless Communications and Networking 2011 2011 96 EURASIP Journal on http content 20ii i 96 Wireless Communications and Networking a SprlngerOpen Journal RESEARCH Open Access A survey of performance enhancement of transmission control protocol TCP in wireless ad hoc networks Noor Mast1 2 and Thomas J Owens 1 Abstract Transmission control protocol TCP which provides reliable end-to-end data delivery performs well in traditional wired network environments while in wireless ad hoc networks it does not perform well. Compared to wired networks wireless ad hoc networks have some specific characteristics such as node mobility and a shared medium. Owing to these specific characteristics of wireless ad hoc networks TCP faces particular problems with for example route failure channel contention and high bit error rates. These factors are responsible for the performance degradation of TCP in wireless ad hoc networks. The research community has produced a wide range of proposals to improve the performance of TCP in wireless ad hoc networks. This article presents a survey of these proposals approaches . A classification of TCP improvement proposals for wireless ad hoc networks is presented which makes it easy to compare the proposals falling under the same category. Tables which summarize the approaches for quick overview are provided. Possible directions for further improvements in this area are suggested in the conclusions. The aim of the article is to enable the reader to quickly acquire an overview of the state of TCP in wireless ad hoc networks. 1. Introduction Over the last decade there has been a very rapid growth in wireless technology. One of the aims of wireless technology is to provide network availability to users everywhere at all times and at low cost. Fundamentally wireless networks can be divided into two types infrastructure and ad hoc networks also called infrastructure less networks . Examples of .

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