mac access control
IEEE 802.11 Tutorial
White Paper IEEE 802.11 is limited in scope to the Physical (PHY) layer and Medium Access Control (MAC) sublayer, with MAC origins to IEEE802.3 Ethernet standard. Approval of the IEEE 802.11 standard for wireless local area networking (WLAN) and rapid progress... [02 Sep 2008]
Microsoft's 'Patch Tuesday' targets six critical flaws
News Affected software includes Office XP SP3, Office 2003 SP3, Office 2008 for Mac, Office 2004 for Mac, and iterations of Office SharePoint Server 2007. In Security Bulletin MS08-041, Microsoft warned that attackers could further use the internet to... [13 Aug 2008]
An Adaptive Multimedia QoS Scheduler for 802.11e Wireless LANs
White Paper This paper addresses the efficient Medium Access Control (MAC) of the mostly Variable Bit Rate (VBR) and bursty multimedia traffic in HCCA and propose a novel application-aware adaptive 802.11e QoS scheduler. [04 Aug 2008]
Design of QoS and Admission Control for VoIP Services Over IEEE 802.11e WLANs
White Paper Besides, some adjustments and MAC enhancements to 802.11e to facilitate VoIP traffics over WLANs are also suggested. This paper shows how to integrate SIP and 802.11e to conduct call admission control and resource reservation to support VoIP's QoS... [04 Aug 2008]
QoS Support in Mobile Ad Hoc Networks
White Paper This paper reviews the current research on QoS support in MANETs, which includes QoS models, resource reservation signaling, QoS routing, and QoS Medium Access Control (MAC). Due to the bandwidth constraint and dynamic topology of Mobile Ad hoc... [04 Aug 2008]
QoS Specific Medium Access Control for Wireless Sensor Networks With Fading
White Paper A new MAC protocol is proposed for the reachback operation in a wireless sensor network deployed for reconstructing a random field. Referred to as QUality-of-service specific Information REtrieval (QUIRE), the proposed protocol optimizes the... [04 Aug 2008]
Performance Analysis of QoS Supported by Enhanced Distributed Channel Access (EDCA) Mechanism in IEEE 802.11e
White Paper This paper evaluates the capability of QoS support in Enhanced Distributed Channel Access (EDCA) mechanism of the IEEE 802.11e standard, which is the Medium Access Control (MAC) enhancements for QoS support in 802.11.EDCA mechanism allow... [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). Four Access Categories (ACs) are defined with each supporting a different... [18 Jul 2008]
Securing Layer 2 in Local Area Networks
White Paper To secure Local or Metropolitan Area Networks, the IEEE 802.1AE Media Access Control (MAC) Security Task Group has proposed the IEEE P802.1AE Standard for Local and Metropolitan Area Networks: MAC Security (MACsec). [11 Jul 2008]
A CSMA/CP MAC Protocols for IP Over WDM Metropolitan Area Ring Networks
White Paper The proposed novel network architecture adopts Carrier Sense Multiple Access with Carrier Preemption (CSMA/CP) that is a Media Access Control (MAC) protocol to handle the variable size IP packet transport on WDM MAN ring network. [11 Jul 2008]
A Near-Optimum MAC Protocol Based on the Distributed Queueing Random Access Protocol (DQRAP) for a CDMA Mobile Communication System
White Paper This paper presents and analyzes a new near-optimum Medium Access Control (MAC) protocol. The proposed access scheme is suitable for a CDMA mobile communication environment, and keeps under control and upper bounded the number of simultaneous... [03 Jul 2008]
Differentiated Scheduling for Bluetooth QoS With Parameter Optimization
White Paper This paper considers an efficient scheduling policy for Bluetooth Medium Access Control (MAC) and its parameter optimization method. This paper proposes an efficient Bluetooth MAC scheduling algorithm, Differentiated K-Fairness Policy (Diff-KFP... [03 Jul 2008]
Power-Efficient and QoS-Aware Scheduling in Bluetooth Scatternet for Wireless PANs
White Paper This paper proposes a power-efficient and QoS (Quality of Service)-aware MAC (Medium Access Control) scheduling algorithm for Bluetooth scatternet. If the inter-piconet scheduler in a bridge node between piconets operates simply by the Round Robin... [03 Jul 2008]
A Wireless MAC Protocol Using Implicit Pipelining
White Paper While the concept of pipelined scheduling can be applied to various MAC protocol designs in general, this paper focuses on its application to IEEE 802.11 DCF. In particular, an implicitly pipelined dual-stage contention resolution MAC protocol... [03 Jul 2008]
Enhanced Backoff Scheme in CSMA/CA for IEEE 802.11
White Paper An enhanced CSMA/CA (Carrier Sense Multiple Access with Collision Avoidance) protocol to be used in the Medium Access Control (MAC) layer of the IEEE 802.11 standard for Wireless Local Area Networks (wireless LANs) is proposed in this paper. [03 Jul 2008]
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