Survey of quality of service parameters and issues in 802.11 wireless LAN

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Author: 
Dushyant Chauhan
Subject Area: 
Physical Sciences and Engineering
Abstract: 

Quality of service (QoS) is a key issue of today's IP systems. Numerous structures have been proposed to give benefit separation in the Internet. In the meantime, the Internet is ending up noticeably more heterogeneous because of the current blast of remote systems. In remote situations, data transfer capacity is rare and channel conditions are time-fluctuating and now and then profoundly loss. Numerous past research works demonstrate that what functions admirably in a wired system can't be specifically connected in the remote condition. In spite of the fact that IEEE 802.11 remote LAN (WLAN) is the most generally utilized WLAN standard today, it can't give QoS support to the expanding number of sight and sound applications. Subsequently, countless QoS improvement plans have been proposed, every one concentrating on a specific mode. This paper surveys various works on 802.11 protocols and exhibits a study of flow research exercises. Initially, we break down the QoS restrictions of IEEE 802.11 remote MAC layers. At that point, diverse QoS upgrade methods proposed for 802.11 WLAN are depicted and characterized alongside their preferences/disadvantages. At last, the up and coming IEEE 802.11e QoS upgrade standard is presented and examined in detail.

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