一种基于延迟的支持无线局域网移动商务的回退方案

IEEE International Conference on E-Commerce Technology for Dynamic E-Business Pub Date : 2004-09-13 DOI:10.1109/CEC-EAST.2004.1

Xiaohui Li, W. Kou, Naian Liu, Yuxia Xiao, Xiang Sun

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引用次数: 0

摘要

本文的重点是研究一种基于延迟的回退方案，以支持无线局域网(WLAN)上的移动商务。基于IEEE 802.11和802中的分布式协调函数(DCF)和增强的DCF (EDCF)机制。在此基础上，提出了一种新的回退方案。该方案旨在解决连续故障传输时由于竞争窗口(CW)的增加而导致的数据包丢失和性能下降的问题。在该方案中，数据包的CW会根据不同的流量动态变化，并具有不同的延迟。并结合仿真结果讨论了新方案的性能。结果表明，它有助于同时处理文本、图像和视频的移动商务应用程序

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A delay based backoff scheme to support m-commerce over wireless local area network

The focus of this paper is on a delay based backoff scheme to support m-commerce over wireless local area network (WLAN). Based on the distributed coordination function (DCF) and the enhanced DCF (EDCF) mechanisms in IEEE 802.11 and 802.lie, a novel backoff scheme is proposed. The scheme is to solve the problem of the packets loss and the decrease of performance due to the increasing contention window (CW) when there are continuous failure transmissions. In the proposed scheme, the CW of a packet will change dynamically with different delay for the different traffics. The performance of the new scheme is also discussed with simulation results. The results show that it helps m-commerce applications that handle text, image, and video simultaneously

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IEEE International Conference on E-Commerce Technology for Dynamic E-Business

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