qos 802.11e
An Approach to Enhance the QoS Support to Real-Time Traffic on IEEE 802.11e Networks
White Paper This paper proposes an approach to overcome some limitations of the 802.11e protocol highlighted in recent literature and improve the QoS support provided to real-time industrial traffic. The proposed solution does not change the IEEE 802.11e... [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]
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]
An Enhanced Alternative to the IEEE 802.11e MAC Scheme
White Paper The original IEEE 802.11 standard has several problems in providing QoS service to stations. The IEEE 802.11e is drafted to overcome these drawbacks. This paper identifies several shortcomings in the components of IEEE 802.11e namely the Enhanced... [03 Jul 2008]
Performance Evaluation of IEEE 802.11e
White Paper This paper presents an evaluation of the QoS enhancements to the IEEE 802.11 standard, named IEEE 802.11e, currently under specification. Both the Enhanced Distributed Coordination Function (EDCF) and Hybrid Coordination Function (HCF) modes of... [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]
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]
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]
Impact of 802.11e EDCA on Mixed TCP-Based Applications
The new IEEE 802.11e standard introduces QoS mechanisms, such as Enhanced Distributed Channel Access (EDCA), that allow this unfairness to be addressed. There has been an explosive growth in the use of wireless LANs (WLANs) to support network... [09 Jan 2008]
Impact of 802.11e EDCA on Mixed TCP-Based Applications
White Paper The new IEEE 802.11e standard introduces QoS mechanisms, such as Enhanced Distributed Channel Access (EDCA), that allow this unfairness to be addressed. There has been an explosive growth in the use of wireless LANs (WLANs) to support network... [08 Jan 2008]
Experimental Evaluation of TCP Performance and Fairness in an 802.11e Test-Bed
White Paper It demonstrates experimentally how the new 802.11e QoS parameters behave in the testbed. This paper present measurement made using an 802.11e wireless testbed. The paper has describe the testing methodology used to validate the operation of the... [19 Dec 2007]
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). Therefore, this paper proposes a simple software upgrade-based solution... [19 Dec 2007]
Wireless LAN Medium Access Techniques: QoS Perspective
Different people and communities perceive and interpret Quality of Services (QoS) in different ways. This paper considers that QoS problem has two major perspectives: network perspective and application/user perspective. [06 Dec 2007]
Wireless LAN Medium Access Techniques: QoS Perspective
White Paper Different people and communities perceive and interpret Quality of Services (QoS) in different ways. This paper considers that QoS problem has two major perspectives: network perspective and application/user perspective. [05 Dec 2007]
Feedback Based Bandwidth Allocation With Call Admission Control for Providing Delay Guarantees in IEEE 802.11e Networks
White Paper In particular, the 802.11e proposal introduces; the Hybrid Coordination Function (HCF), which is an improved channel access method aimed at allocating the first-hop WLAN bandwidth to delay-insensitive and delay-sensitive flows; a Call Admission... [31 Aug 2007]
