quality of service 802.11e
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Modeling and Simulation of MAC for QoS in IEEE 802.11e Using OPNET Modeler
White Paper This paper presents an IEEE 802.11e model developed using the OPNET Modeler, which is employed for Medium Access Control (MAC) enhancements for Quality of Service (QoS). IEEE 802.11e QoS is implemented using the concept of varying levels of service... [18 Jul 2008]
Performance Analysis of QoS Supported by Enhanced Distributed Channel Access (EDCA) Mechanism in IEEE 802.11e
White Paper With fast deployment of Wireless Local Area Networks (WLANs), the ability of WLAN to support real time services with stringent Quality of Service (QoS) requirements has come into fore. This paper evaluates the capability of QoS support in Enhanced... [18 Jul 2008]
Quality of Service Schemes for IEEE 802.11 Wireless LANs - An Evaluation
White Paper This paper evaluates four mechanisms for providing service differentiation in IEEE 802.11 wireless LANs. The evaluated schemes are the Point Coordinator Function (PCF) of IEEE 802.11, the Enhanced Distributed Coordinator Function (EDCF) of the... [03 Jul 2008]
Optimized Scalable Video Streaming Over IEEE 802.11a/e HCCA Wireless Networks Under Delay Constraints
White Paper The Quality-of-Service (QoS) guarantees enabled by the new IEEE 802.11a/e Wireless LAN (WLAN) standard are specifically targeting the real-time transmission of multimedia content over the wireless medium. [03 Jul 2008]
Supporting VoIP Traffic in IEEE 802.11 WLAN With Enhanced Medium Access Control (MAC) for Quality of Service
White Paper With fast deployment of wireless local area networks (WLANs), the ability of WLAN to support real time services with stringent quality of service (QoS) requirements has come into fore. This paper evaluates the capability of the enhanced point... [03 Jul 2008]
IEEE 802.11e/a Throughput Analysis
White Paper We have analyzed HCF in a practical real-world scenario that requires Quality of Service (QoS), in other words, a combination of high-definition television (HDTV), standard-definition television (SDTV), and computer traffic. [03 Jul 2008]
Voice Over an OFDM Based Wireless LAN
White Paper It is argued that traditional "voice over IP" (VoIP) approaches are inefficient for wireless LANs in terms of system overheads, and that more recent proposals, such as the "5- UP" protocol, offer greater promise with the co-existence of OFDM, for... [14 Jan 2008]
Impact of 802.11e EDCA on Mixed TCP-Based Applications
It is difficult to optimally con-figure WLAN components, such as access points (APs), to meet the quality-of-service requirements of the different applications, as well as ensuring flow-level fairness. [09 Jan 2008]
Impact of 802.11e EDCA on Mixed TCP-Based Applications
White Paper It is difficult to optimally con-figure WLAN components, such as access points (APs), to meet the quality-of-service requirements of the different applications, as well as ensuring flow-level fairness. [08 Jan 2008]
Comparison of Modified Dual Queue and EDCA for VoIP Over IEEE 802.11 WLAN
White Paper The popular IEEE 802.11 WLAN today does not provide any Quality-of-Service (QoS) because of its contention-based channel access nature of the Medium Access Control (MAC). The dual queue scheme operates on top of the legacy MAC. [19 Dec 2007]
Performance Study of MAC for Service Differentiation in IEEE 802.11
White Paper In a Wireless Local Area Network (WLAN), Medium Access Control (MAC) layer access parameters are usually differentiated for various classes of users to provide different Quality of Service (QoS). This paper investigates the MAC layer performance of... [11 May 2007]
Using Transmission Opportunities and Judicious Parameter Selection in Enhancing Real-Time Applications Over 802.11 Wireless LANs
White Paper The IEEE 802.11e draft supplement standard provides Quality of Service (QoS) support for real-time applications. This paper focuses on performance evaluation of the 802.11e contention based access mechanism called Enhanced Distributed Channel... [24 May 2006]
Adaptive Fair Channel Allocation for QoS Enhancement in IEEE 802.11 Wireless LANs
White Paper The emerging widespread use of real-time multimedia applications over wireless networks makes the support of Quality of Service (QoS) a key problem. The focus of this paper is on QoS support mechanisms for IEEE 802.11 Wireless ad-hoc networks. [24 May 2006]
Call Admission Control for IEEE 802.11 Contention Access Mechanism
White Paper The algorithm estimates the throughput that flows would achieve if a new flow with certain parameters was admitted, and so indicates whether such a new flow can be admitted while preserving the Quality of Service (QoS) of existing flows. [24 May 2006]
Bandwidth Estimation and Robust Video Streaming Over 802.11e Wireless LANs
White Paper This paper specifically focuses on robust video streaming with IEEE 802.11e Medium Access Control (MAC) enhancements for Quality-of-Service (QoS). Streaming high quality Audio/Video (AV) from home media sources to TV sets over a Wireless Local Area... [12 May 2006]
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