Previous
An Approach To Enhance The QoS Support To Real-Time Traffic On IEEE 802.11e Networks
White Papers 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...
[July 18, 2008, 1:01]
Performance Of VoIP Over IEEE 802.11g DSSS-OFDM Mode With IEEE 802.11e QoS Support
White Papers This paper examines, via simulation, the performance of an 802.11e MAC over an 802.11g PHY operating in DSSS-OFDM mode. The DSSS-OFDM scheme provides data rates of up to 54Mb/s as well as interoperability with 802.11b nodes.
[April 11, 2007, 1:01]
Quality Of Service Provisioning In 802.11e Networks: Challenges, Approaches, And Future Directions
White Papers In order to support diverse application requirements, a new standard called IEEE 802.11e is being proposed to improve quality of service in wireless LAN networks. There are, however, a few remaining challenges that need to be addressed in order to...
[July 25, 2006, 3:16]
Performance Analysis And Enhancements For IEEE 802.11e Wireless Networks
White Papers The IEEE 802.11 WLAN legacy standard cannot provide QoS support for multimedia applications. Thus, considerable research efforts have been carried out to enhance QoS support for 802.11. Among them, 802.11e is the upcoming QoS-enhanced standard...
[May 24, 2006, 1:00]
Perfectly Periodic Scheduling For Fault Avoidance In IEEE 802.11e In The Context Of Home Networks
White Papers In the upcoming new standard IEEE 802.11e to support Quality of Service (QoS) in WLAN, this paper presents perfectly periodic scheduling based on usage probability to provide fault avoidance. The paper addresses Medium Access Control (MAC...
[October 20, 2005, 3:00]
Temporal Fairness Provisioning In Multi-Rate Contention-Based 802.11e WLANs
White Papers The IEEE 802.11e extensions for QoS support in WLAN define the Transmission Opportunity (TXOP) concept, in order to limit the channel holding times of the contending stations in presence of delay-sensitive traffic.
[February 8, 2006, 0:01]
An Analytic Study Of Tuning Systems Parameters In IEEE 802.11e Enhanced Distributed Channel Access
White Papers This paper derives, based on the analytical model developed by Cali et al.a multi-class model to study how to adaptively tune all the parameters in IEEE 802.11e EDCA and support service differentiation in WLANs.
[May 10, 2006, 0:00]
Saturation Throughput Of IEEE 802.11e EDCA Based On Mean Value Analysis
White Papers The IEEE 802.11e amendment aims at providing QoS provisioning to support real-time multimedia traffic in WLANs. The IEEE 802.11-based wireless LANs have been widely deployed for local area high-speed data access.
[May 19, 2006, 1:00]
Supporting VoIP Traffic In IEEE 802.11 WLAN With Enhanced Medium Access Control (MAC) For Quality Of Service
White Papers 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...
[October 6, 2005, 3:00]
Feedback Based Bandwidth Allocation With Call Admission Control For Providing Delay Guarantees In IEEE 802.11e Networks
White Papers The 802.11e working group has recently proposed innovative functionalities in order to support delay-sensitive multimedia applications, such as real-time voice and video, in Wireless Local Area Networks (WLANs).
[August 10, 2007, 11:10]
Supporting QoS In IEEE 802.11e Wireless LANs
White Papers In the emerging IEEE 802.11e MAC protocol, the Enhanced Distributed Channel Access (EDCA) is proposed to support prioritized QoS; however, it cannot guarantee strict QoS required by real-time services such as voice and video without proper network...
[January 18, 2006, 0:01]
IEEE 802.1X In Secure Wireless Networking
White Papers The IEEE 802.1X protocol can also be used to manage policy-based bandwidth provisioning and VLAN support in conjunction with 802.11e. Applying the IEEE 802.1X protocol to wireless networking in conjunction with 802.11 dramatically simplifies the...
[March 2, 2004, 11:18]
An Efficient Multipolling Mechanism For IEEE 802.11 Wireless LANs
White Papers To expand the support for applications with QoS requirements in Wireless Local Area Networks (WLANs), the 802.11E task group was formed to enhance the current IEEE 802.11 Medium Access Control (MAC) protocol.
[May 12, 2006, 1:00]
ChaPLeT: Channel-Dependent Packet Level Tuning For Service Differentiation In IEEE 802.11e
White Papers With the increased use of IEEE 802.11b wireless networks, there is a strong need to support diverse Quality of Service (QoS) requirements. Recent standardization efforts are being pursued in IEEE 802.11e to introduce a framework for QoS...
[July 25, 2006, 3:16]
Performance Analysis Of QoS Supported By Enhanced Distributed Channel Access (EDCA) Mechanism In IEEE 802.11e
White Papers 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...
[July 18, 2008, 1:01]
Cooperative Packet Scheduling Via Pipelining In 802.11 Wireless Networks
White Papers Yet, these devices lack native support for some of the advanced features (such as service differentiation, etc.required in specific application domains. The trajectory of evolution in these devices has been primarily through new extension standards...
[July 25, 2006, 3:16]
Adaptive Fair Channel Allocation For QoS Enhancement In IEEE 802.11 Wireless LANs
White Papers 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.
[May 24, 2006, 1:00]
White Paper: Wi-Fi Certified For WMM - Support For Multimedia Applications With Quality Of Service In Wi-Fi Networks
White Papers WMM is a QoS solution with industry-wide support that offers strong interoperability, meets the requirements of all market segments, and has global reach. It is available now and will be interoperable with 802.11e.
[October 20, 2005, 3:00]
An Enhancement To The IEEE 802.11e EDCA Providing QoS Guarantees
White Papers In order to support applications with QoS requirements, the upcoming IEEE 802.11e standard enhances the original IEEE 802.11 MAC protocol by introducing a new coordination function which has both contention-based and contention-free medium access...
[May 12, 2006, 0:00]
Capacity Evaluation Of VoIP In IEEE 802.11e WLAN Environment
White Papers Furthermore, apart from these limitations WLANs will need to support a large number of concurrent VoIP communications since VoIP is spreading rapidly especially in public spaces. Wireless VoIP, typically over 802.11 WLAN, is becoming increasingly...
[May 24, 2006, 1:00]
