Page 1. Modelling of Medium Access Control (MAC) Protocols for Mobile Ad-hoc Networks ... Page 3. Modelling of Medium Access Control (MAC) ...

... SIMULATION OF PHYSICAL AND MEDIA ACCESS CONTROL (MAC) FOR RESILIENT AND SCALABLE WIRELESS SENSOR NETWORKS by ...

... ADA445339. Title : Simulation of Physical and Media Access Control (MAC) for Resilient and Scalable Wireless Sensor Networks. ...

... Accession Number : ADA436154. Title : Modelling of Medium Access Control (MAC) Protocols for Mobile Ad-Hoc Networks. ...

Page 1. A Real-time Wireless Sensor Media Access Control (MAC) Protocol ... A Real-time Wireless Sensor Media Access Control (MAC) Protocol ...

... Within the context of MacAIMS, the Project MAC Advanced Interactive Management System, the design of an access control system is presented ...

f-MAC: A Deterministic Media Access Control Protocol Without Time Synchronization Utz Roedig, Andre network transmit messages through a shared medium. Thus, a Media Access Control (MAC) protocol is neces a deterministic MAC protocol which can give ...

We investigate the impact of medium access control (MAC) design on the reconstruction performance of one-dimensional signal field in large scale sensor networks. Two types of MAC schemes are considered: random access MACs and deterministic MACs. We show ...

C-MAC: Model-driven Concurrent Medium Access Control for Wireless Sensor Networks Mo Sha1; Guoliang-- This paper presents C-MAC, a new MAC protocol designed to achieve high-throughput bulk communication for data- intensive sensing applications. C-MAC exploits concurrent ...

Abstract- This paper describes a medium access control protocol for wireless sensor networks designed for broadcast communication. The RI-MAC (Random Interference Medium Access Control) protocol uses random slot assignment in each MAC frame, along with knowledge of ...

The MACS/ACRS (Managed Access by Controlled Sensing/Access by Controlled Remote Sensing) system is a collection of communication devices, video capability, and distance-measuring equipment which can effectively substitute for the physical presence of a ch...

... Using MICA2 sensors and a modified Media Access Control (MAC) layer, real-time message End-to-End (ETE) delay was reduced by 50 percent. ...

MAC Design for Supporting Ultra Low Duty Cycle in Wireless Sensor Networks1 *Wooguil PakO , *Hyuk. In general, sensor medium access control (MAC) protocols reduce duty cycle to achieve longer life time.1%). Our proposed U-MAC (Ultra low duty cycle MAC) protocol targets ...

This thesis focuses on the medium access control (MAC) layer. Many MAC protocols for wireless networks proposed or implemented to date are based on collision-avoidance handshakes between sender and receiver. The key objective of collision-avoidance handsh...

... The novel traffic-adaptive Cooperative Wireless Sensor Network Medium Access Control (CWS-MAC) scheme is proposed and shown to provide ...

... that enforce Mandatory Access Control (MAC) policies are ... of trusted computer system interfaces. ... MAN COMPUTER INTERFACE, POLICIES, DATA ...

Performance Enhancement of IEEE 802.11b WLANs Using Cooperative MAC Protocol Jin-Seong Kim and Tae a new cooperative Medium Access Control (MAC) protocol to rem- edy the performance anomaly and to improve transmission opportunities for low rate stations. We show that the proposed cooperative ...

Like computer networks in general, sensor networks also divide their communication stack into several layers. One of such layer is the Medium Access Control (MAC) layer. Unlike the network layer that considers routing packets over multiple hops, the MAC layer tries to ensure that a node can efficiently transmit a ...

CS 450 Fall 2009 Final Project Implementation and Performance Evaluation of Z-MAC Due: 12/11 1 Introduction As your final project you will be implementing Z-MAC [2], a medium access control protocol that com- bines the advantages of TDMA and CSMA-based MAC protocols. You are required to fully ...

Analyzing MAC Protocols for Low Data-Rate Applications KOEN LANGENDOEN Delft University a whole range of spe- cialized Medium Access Control (MAC) protocols. They differ in how performance with each outperforming the canonical S-MAC protocol, but with different simulators, hardware platforms

The paper describes and analyzes a novel Media Access Control (MAC) protocol named Distributed-Control Polling (DCP), which has been designed to bring together the most interesting features of distributed-control MAC protocols and centralized token-passin...

Two security domains that want to exchange information security may need to agree on translations of Mandatory Access Control (MAC) labels of their information, if their MAC labels have a different syntax or semantics. It is desirable that these translati...

Jan 16, 2009 ... How MACS should come up as - e.g. pilot, en route controller, sim manager, etc. This defines the tools and displays the user can access. ...

This paper deals with the influence of the medium access control (MAC) protocol in the performance of the communication channels used in the SCADA systems (Supervisory Control and Data Acquisition). Three types of MAC protocols are presented and analyzed: Polling, CSMA/CD (Carrier Sense ...

... Accession Number : AD0465088. Title : PROJECT MAC. ... Corporate Author : MASSACHUSETTS INST OF TECH CAMBRIDGE PROJECT MAC. ...

Permission is granted for noncommercial reproduction of the work for educational or research purposes.

... active in other domains, we call them proxy ... and to relax the admission control requirement. ... Access MAC based Wireless Networks, Proceedings of ...

concept-architecture and related technology developments, ... This paper describes the architecture and key physical-layer and medium access control (MAC ) ...

249, ESN-1350, The ECS LANs shall provide physical devices and the corresponding medium access control (MAC) protocol compatible with ISO and ANSI standards ...

The MACS/ACRS (Managed Access by Controlled Sensing/Access by Controlled Remote Sensing) system is a collection of communication devices, video capability, and distance-measuring equipment which can effectively substitute for the physical presence of a challenge inspector within a facility. The ...

This paper addresses the design of distributed cognitive medium access control (MAC) protocols for opportunistic spectrum access (OSA) under an energy constraint on the secondary users. The objective is to maximize the expected number of information bits ...

This paper we presented the design objectives and technical challenges in Multichannel MAC protocols in Mobile Ad-hoc Network. In IEEE 802.11 a/b/g standards allow use of multiple channels, only a single channel is popularly used, due to the lack of efficient protocols that enable use of Multiple Channels. Even though complex environments in ad hoc networks require a combined ...

recognition in recent years for its potential applications beyond radar technology to communication networks. UWB is a spread spectrum technology that requires careful coordination among communicating nodes to jointly control link power and transmission rates. Here, we present U-MAC, an adaptive Medium Access ...

1 Distributed Cooperative MAC for Multi-hop Wireless Networks Hangguan Shan, Weihua Zhuang, and Zongxin Wang Abstract: This article investigates distributed cooperative medium access control (MAC) protocol design for multi-hop wireless networks. Cooperative communication has been proposed recently

The demand for spontaneous setup of a wireless communication system has increased in recent years for areas like battlefield, disaster relief operations etc., where a pre-deployment of network infrastructure is difficult or unavailable. A mobile ad-hoc network (MANET) is a promising solution, but poses a lot of challenges for all the design layers, specifically medium access ...

Multimedia service integration over wireless networks poses a number of significant challenges to the Medium Access Control (MAC) level. Future MAC schemes need to coordinate the access to the media for heterogeneous services requiring a wide variety of Quality of Service (QoS). These include ...

... CAC on a MAC: Setting up a DOD Common Access Card Reader on the Macintosh OS X Operating System by Phil Hopfner ... CAC on a MAC ...

ATM based passive optical networks can provide broadband services as defined by the international telecommunication union. The medium access control protocol is of great importance to the access scheme as it controls the flow of traffic in the access network. This paper presents a novel ...

During chemical weapons challenge inspections, the CWC treaty allows ''alternate means'' of access to be proposed by the nation challenged. BNL's Safeguards, Safety and Nonproliferation Division is funded by the Defense Nuclear Agency to develop a system ...

With the growing demand for high-performance multimedia applications over wireless channels, we need to develop a Medium Access Control (MAC) system that supports high throughput and quality of service enhancements. This paper presents the standard analysis, design architecture and design issues leading to the implementation of an IEEE ...

1 Improving Quality of VoIP Streams over WiMax Shamik Sengupta, Mainak Chatterjee and Samrat of these technologies. IEEE 802.16 based WiMax promises to be one of wireless access technologies capable of supporting at the medium access control (MAC) layer of WiMax for construction and transmission of ...

Within a multilevel secure (MLS) system, trusted subjects are granted privileges to perform operations that are not possible by ordinary subjects controlled by mandatory access control (MAC) policy enforcement mechanisms. These subjects are trusted not to...

Ethernet passive optical network (EPON), which represents the convergence of low-cost, high-bandwidth and supporting multiple services, appears to be one of the best candidates for the next-generation access network. The work of standardizing EPON as a solution for access network is still underway in the IEEE802.3ah Ethernet in the first mile (EFM) task ...

Abstract: Situations can arise in which organizations have to merge policies that are based on different access control frameworks, such as Role Based Access Control (RBAC) and Mandatory Access Control (MAC). Integrating policies requires addressing the ...

We use the network utility maximization (NUM) framework to create an efficient and fair medium access control (MAC) protocol for wireless networks. By adjusting the parameters in the utility objective functions of NUM problems, we control the tradeoff between efficiency and fairness of radio resource allocation ...

wireless/ATM networks is the selection of a suitable medium access control (MAC) protocol. The MAC protocol admission control scheme is also necessary for DQRUMA to limit the number of voice calls in order and applications offered by ATM networks to wireless and mobile users has captured a lot ...

... Accession Number : ADD341239. Title : Multifunction Automated Crawling System (MACS),. Corporate Author : Personal ...

... Accession Number : ADD807148. Title : Manufacturing The MAC With Automated Material Handling. Descriptive Note : Journal article,. ...

... Accession Number : ADA215821. Title : MAC Sequence Listing for Channel Traffic. Corporate Author : MILITARY AIRLIFT ...

... Accession Number : ADA439517. Title : Detection and Prevention of MAC Layer Misbehavior for ad hoc Networks. Descriptive ...

... Accession Number : AD0044574. Title : BEHAVIOR OF MAC MINTS ON THE BOTTOM OF THE HUDSON RIVER. Descriptive Note : Technical rept. ...

We present in this paper a master-slave, self-organized, spontaneous, passive, and dynamic clustering algorithm embedded into the Medium Access Control (MAC) layer for Mobile Ad hoc Networks. Any mobile station gets access to the channel by executing a contention-based mechanism similar to the IEEE 802.11 Standard. ...

The wireless personal area network (WPAN) is an emerging wireless technology for future short range indoor and outdoor communication applications. The IEEE 802.15.3 medium access control (MAC) is proposed, specially, for short range high data rates applications, to coordinate the access to the wireless medium among ...

Energy efficiency has been a main concern in wireless sensor networks where Medium Access Control (MAC) protocol plays an important role. However, current MAC protocols designed for energy saving have seldom considered multiple applications coexisting in WSN with variation of traffic load dynamics and different QoS ...

network supporting multi-hop transmissions, MAC should be jointly designed with call admission controlDistributed Medium Access Control for Next Generation CDMA Wireless Networks Hai Jiang, Princeton wireless networks are expected to have a simple infrastructure with distributed control. In ...

General acceptance of the challenge provision in the Chemical Weapons Convention has the potential for influence in other arms control areas. While most applications of the challenge inspection may be straightforward, there may be instances where access t...

NSA Security-Enhanced Linux (SELinux) is an implementation of a flexible and fine-grained mandatory access control (MAC) architecture called Flask in the Linux kernel. SELinux can enforce an administratively-defined security policy over all processes and ...

... 2010-10-01 false Matter incorporated by reference...SERVICE OF DRIVERS § 395.18 Matter incorporated by reference...Access Control (MAC) and Physical Layer (PHY) Specifications...Identifying Attributes for Named Physical and Cultural...

The resilience of wireless sensor networks is investigated. A key concept is that scale-free network principles can be adapted to artificially create resilient wireless sensor networks. As scale-free networks are known to be resilient to errors but vulner...

A communication protocol that provides link-level and media access control (MAC) level functions for wireless (e.g., ad-hoc) networks and is robust to mobility or other dynamics, and for scaling to dense networks. In a mobile or otherwise dynamic network,...

An ad hoc network is a dynamic network formed on demand by a group of nodes without the aid of any pre-existing network infrastructure. An efficient and effective medium access control (MAC) protocol which regulates nodes access to the shared channel(s) i...

The quest for efficient medium access control (MAC) protocols for multi-hop ad hoc networks has aroused great interest in using directional antennas. Some MAC protocols using directional antennas have been proposed in the past, which trade off spatial reu...

This paper presents an energy-efficient Medium Access Control (MAC) protocol for very-high-throughput millimeter-wave (mm-wave) wireless sensor communication networks (VHT-MSCNs) based on hybrid multiple access techniques of frequency division multiplexing access (FDMA) and time division ...

The HORNET (hybrid optoelectronic ring network) architecture is a packet-over-WDM ring network that utilizes fast-tunable packet transmitters and wavelength routing to enable it to scale cost-effectively to ultrahigh capacities. Here we present the design of a novel control-channel-based media-access-control (MAC) protocol, which is ...

Abstract�The IEEE 802.11 has been the dominant MAC protocols used in wireless ad hoc networks. It has been shown theoretically [1],[2] that significant performance improvements as compared to 802.11 can be achieved in random access wireless networks. In this paper we propose a new paradigm of medium access ...

Remote Network Access - JSC VPN Instructions for Mac Users ... NOTE: Safari is the only browser that is compatible with the JSC VPN Homepage on a ...

During chemical weapons challenge inspections, the CWC treaty allows ``alternate means`` of access to be proposed by the nation challenged. BNL`s Safeguards, Safety and Nonproliferation Division is funded by the Defense Nuclear Agency to develop a system to provide the challenge inspection team with a ``virtual presence`` within the facility while denying personal ...

The use of RFID tags (radio-frequency identification tags) in banknotes presents a main challenge that may discourage their usage: how to avoid a possible attacker to count the amount of tags. Such a drawback is faced in this paper by designing an appropriate Medium Access Control (MAC) for this scenario. A MAC is ...

Accessing HDF Data from Python on Mac OS X: HDF, Python, and Mac OS X: can ... Accessing NetCDF Data From Python in Mac OS X: Another Sean Kelly-esque page ...

MaxMAC: a Maximally Traffic-Adaptive MAC Protocol for Wireless Sensor Networks Philipp Hurni consumption, researchers have proposed Energy-Efficient Medium Access (E2 -MAC) protocols that switch -MAC protocols are able to deliver little amounts of data with a low energy footprint, but introduce

Lincoln Laboratory's Terminal Access Control System (TACS) provides demand assigned time division multiple access TDMA to GAPSAT or FLEETSAT 25 kHz channels. TACS is centrally controlled by a multiple access controller (MAC), nominally located at a ...

IEEE 802.11 MAC protocol for medium access control in wireless Local Area Networks (LANs) is the de facto standard for wireless ad hoc networks. However, it does not perform well in terms of fairness, delay and throughput specially, in multihop networks. The problem is due to both the MAC and link layer ...

The challenge of designing an efficient Medium Access Control (MAC) protocol and analyzing it has been an important research topic for over 30 years. This paper focuses on the performance analysis (through simulation) and modification of a well known MAC protocol CSMA/CD. The existing protocol does not consider the ...

Three medium access control algorithms of Bi-bus Local Area Networks (LAN), were proposed: Space Distributed Tree Algorithm; Slotted ALOHA-Token Passing Hybrid Control Algorithm; and Voice-Data Integrated Control Algorithm. After having described the prin...

WiMAX System Design and Evaluation Methodology using the NS-2 Simulator X. Guo, R. Rouil, C. Soin- band wireless access or WiMAX standards promises to usher the next generation of mobile wireless- plementation of the Medium Access Control (MAC) and Physical layers of WiMAX based on IEEE802.16e standard

The deployment of optical access networks is considered by many as the sole solution able to cope with the ever-increasing bandwidth needs of data and media applications. Gigabit-capable Passive Optical Networks (GPON) are being adopted by many operators worldwide as their preferred fiber-to-the-home network architecture. In such systems, the Medium Access ...

Improving Quality of VoIP Streams over WiMax Shamik Sengupta, Student Member, IEEE, Mainak the capacity of these technologies. The IEEE 802.16-based WiMax promises to be one of the wireless access of flexible features offered at the medium access control (MAC) layer of WiMax for the construction

... Accession Number : ADA345838. Title : Water Entry Onto the MAC 200 Immersion Suit During Simulated Parachute Jump and Drag Trials. ...

Oct 27, 2006 ... Purpose. This document describes how to configure and use Mac OS X to access the Guest wireless network at NASA HQ. ...

... Accession Number : AD0748112. Title : The Truman-MacArthur Controversy: a Study in Political-Military Relations. Descriptive Note : Master's thesis ...

... Accession Number : AD0487568. Title : THE K-SYSTEM MAC-1 TROUBLE-SHOOTING TRAINER: III. TECHNICAL SUPPLEMENT. ...

... Accession Number : AD0487567. Title : THE K-SYSTEM MAC-1 TROUBLE-SHOOTING TRAINER: II. DERIVATION OF TRAINING ...

... Accession Number : AD0487566. Title : THE K-SYSTEM MAC-1 TROUBLE-SHOOTING TRAINER: I. FUNCTIONAL DESCRIPTION. ...

... Accession Number : ADA320868. Title : Simulation and Analysis of a Wireless Mac Protocol: MACAW. Descriptive Note : Master's thesis,. ...

... Accession Number : AD0513367. Title : Senior Officer Debriefing Report: IV Corps, MAC, Republic of Vietnam. Descriptive Note : Debreifing rept. ...

... Accession Number : ADA065904. Title : Retention of MAC Strategic Airlift Pilots. An Analysis of the Strategic Airlift Aircrew Survey. ...

... Accession Number : AD0732767. Title : Project MAC: Progress Report VII, July 1969 to July 1970. Descriptive Note : Annual progress rept. ...

... Accession Number : AD0735148. Title : Project MAC Progress Report VIII, July 1970 to July 1971. Descriptive Note : Annual progress rept.,. ...

... Accession Number : AD0756689. Title : Project MAC Progress Report IX, July 1971 to July 1972. Descriptive Note : Annual scientific rept.,. ...

... Accession Number : AD0629494. Title : PROJECT MAC; PROGRESS REPORT II: JULY 1964 TO JULY 1965. Descriptive ...

... Accession Number : AD0705534. Title : PROJECT MAC: PROGRESS REPORT VI, JULY 1968-JULY 1969. Descriptive Note : Annual progress rept. ...

... Accession Number : AD0687770. Title : PROJECT MAC: PROGRESS REPORT V, JULY 1967-JULY 1968. Descriptive Note : Annual rept. ...

... Accession Number : AD0681342. Title : PROJECT MAC: PROGRESS REPORT IV, JULY 1966-JULY 1967. Corporate Author ...

... Accession Number : ADA199468. Title : Multipurpose Arcade Combat Simulator (MACS) Year Three Report. Descriptive Note : Final rept. ...

... Accession Number : ADA214459. Title : Multipurpose Arcade Combat Simulator (MACS) Basic Rifle Marksmanship (BRM) Program. ...

... Accession Number : ADA184179. Title : Multipurpose Arcade Combat Simulator (MACS). Descriptive Note : Final rept. Oct 1985-30 Sep 1986. ...

... Accession Number : ADA427052. Title : Modular Artillery Charge System (MACS) Compatibility with the 155-mm M114 Towed Howitzer. ...

... Accession Number : ADA523150. Title : MacArthur's Fireman: Robert L. Eichelberger. Descriptive Note : Journal article. Corporate ...

... Accession Number : ADA031454. Title : MAC Air Cargo Data Entry: 2. Photography of Shipping Labels. Descriptive Note : Technical rept.,. ...

... Accession Number : ADA029013. Title : MAC Air Cargo Data Entry: 1. Preliminary Analysis of Alternative Modes,. Corporate ...

... Accession Number : ADA061246. Title : Laboratory for Computer Science (formerly Project MAC) Progress Report XIII, January-December 1975. ...

... Accession Number : ADA401767. Title : IEEE 802.11 MAC Protocol Performance Evaluation in Operational Environments. ...

... Accession Number : ADA462309. Title : Evaluating Mima-Mac For Dense Urban Environments. Descriptive Note : Final technical memo. ...

... Accession Number : ADA220141. Title : Cargo Movement Operations System (CMOS) MAC Merger Functional Description. ...

... Accession Number : ADA234675. Title : Analysis and Convergence of the MAC Scheme. 1. The Linear Problem. Descriptive Note : Final rept. ...

... Accession Number : ADA156795. Title : A Multipurpose Arcade Combat Simulator (MACS). Descriptive Note : Interim rept. Jul 1982-Mar 1983. ...

... Accession Number : ADA202796. Title : A Model for Translating MAC (Military Airlift Command) Flying Hours into Airlift Capability. ...

... Accession Number : ADA246069. Title : A Formal Model of the Mac Layer of an Improved FDDI Protocol. Descriptive Note : Master's thesis,. ...

We study the effect of routing protocols on the performance of media access control (MAC) protocols in wireless radio networks. Three well known MAC protocols: 802.11, CSMA, and MACA are considered. Similarly three recently proposed routing protocols: AODV, DSR and LAR scheme 1 are considered. The experimental ...

General acceptance of the challenge provision in the Chemical Weapons Convention has the potential for influence in other arms control areas. While most applications of the challenge inspection may be straightforward, there may be instances where access to the site by inspectors may be problematic. The MACS system described in this ...

Abstract�Ultra-wideband (UWB) radio is becoming a promising field for new generation�s digital communication systems. This technique, based mainly on the impulse radio paradigm, offers great flexibility and shows enormous potential in view of a future broadband wireless access. In this paper, we aim at presenting the main principles to design a multiaccess scheme based on ...

Recent advances in microelectronics and integrated circuits, system-on-chip design, wireless communication and intelligent low-power sensors have allowed the realization of a Wireless Body Area Network (WBAN). A WBAN is a collection of low-power, miniaturized, invasive/non-invasive lightweight wireless sensor nodes that monitor the human body functions and the surrounding environment. In addition, ...

... Accession Number : AD0648346. Title : PROJECT MAC PROGRESS REPORT III, JUL 1965 TO JULY 1966. ... 3 Jul 65-Jul 66 on proj. MAC. ...

...DRUG BENEFIT Reopening, ALJ Hearings, MAC review, and Judicial Review § 423...a review entity must certify that the MAC does not have the authority to decide...request EAJR in place of an ALJ hearing or MAC review if the following conditions are...

...certify that the Medicare Appeals Council (MAC) does not have the authority to decide...request EAJR in place of an ALJ hearing or MAC review if the following conditions are met...of the ALJ has not been issued; (B) MAC review in accordance with §...

...HOME LOAN MORTGAGE CORPORATION (FREDDIE MAC) Access to Information § 81.71 ...and subsection 307(e) of the Freddie Mac Act, and AHAR information that the GSEs...and subsection 307(f) of the Freddie Mac Act; (b) Establishes...

...HOME LOAN MORTGAGE CORPORATION (FREDDIE MAC) Access to Information § 81.71...and subsection 307(e) of the Freddie Mac Act, and AHAR information that the GSEs...and subsection 307(f) of the Freddie Mac Act; (b) Establishes...

Abstract: Computer forensic tools for Apple Mac hardware have traditionally focused on low-level file system details. Mac OS X and common applications on the Mac platform provide an abundance of information about the user�s activities in configuration files, caches, and logs. We have developed Mac Marshal�, an ...

Abstract � This paper develops optimal strategy for opportunistic spectrum access (OSA) by integrating the design of spectrum sensor at the physical layer with that of spectrum sensing and access policies at the medium access control (MAC) layer. The design objective is to maximize the ...

A general constraint common to many wireless networks lies in the short lifetime of mobile terminal batteries. Energy efficient protocols that adapt to terminal battery power level can be used to reduce the effects of this limitation. This paper addresses such power-adaptive algorithms in medium access control (MAC) protocols and in ...

IEEE 802.15.4 technology provides one solution for low-rate short range communications. Based on the integrated superframe structure of IEEE 802.15.4, a novel low-delay traffic-adaptive medium access control (LDTA-MAC) protocol for wireless body area networks (WBANs) is proposed in the paper. In LDTA-MAC, the ...

The traditional mandatory access control policy (MAC) is regarded as a policy with strict regulation and poor flexibility. The security policy of MAC is so compelling that few information systems would adopt it at the cost of facility, except some particular cases with high security requirement as military or ...

Wireless Body Area Network (WBAN) consists of low-power, miniaturized, and autonomous wireless sensor nodes that enable physicians to remotely monitor vital signs of patients and provide real-time feedback with medical diagnosis and consultations. It is the most reliable and cheaper way to take care of patients suffering from chronic diseases such as asthma, diabetes and cardiovascular diseases. ...

Design and Evaluation of an IEEE 802.11 Based Dual MAC for MANETs Dissertation submitted in partial that the dissertation titled Design and Evaluation of an IEEE 802.11 Based Dual MAC for MANETs By Satyajit Rai (01329009 of the protocol stack, most importantly at the medium access layer (MAC). The medium ...

Oct 29, 2009 ... Mac uses Herb and Matt to explain the TVC - thrust vector control. Mac uses Herb and Matt to explain the TVC - thrust vector control ...

Developments in optical amplifiers and the tendency towards fewer and larger switching stages made feasible and desirable the concept of SuperPONs with a range of 100km. Up to 15000 residential customers can share the SuperPON on a TDMA basis lowering the cost of access to B-ISDN services. Tree PONs require a MAC protocol to arbitrate the ...

Abstract � Currently the network simulator 2 (ns-2) is a popular and powerful simulation for IEEE 802.11 wireless networks, including wireless LANs, mobile ad hoc networks (MANETs), and sensor networks. However, the network module has not been extended to IEEE 802.16 broadband wireless access networks (BWANs) or WiMAX yet. In this paper, we design and implement a new medium ...

Implementation of the IEEE 802.11 technology for wireless local area networks (WLANs) has created a new opportunity to support real time and multimedia applications. The IEEE 802.11 defines a Medium Access Control (MAC), and Physical Layers (PHYs), which ...

Physical Carrier Sensing and Spatial Reuse in Multirate and Multihop Wireless Ad Hoc Networks@ece.ufl.edu Abstract-- Physical carrier sensing is an effective mechanism of medium access control (MAC) protocols to reduce collisions in wireless networks, and the size of the carrier sensing range has a great impact

The objective of this thesis is to analyze the mandatory access control (MAC) features of two commercial multilevel trusted database management systems (DBMS): Trusted ORACLE 7 and Informix-OnLine/Secure 5.0. We are attempting to determine how the problem...

-layer PHY/medium access control (MAC) designs for multicell networks; � Cooperative inter-cell interferenceJournal of Oncology Special Issue on Cooperative MIMO Multicell Networks Call for Papers Recently. Physical (PHY) layer cooperation serves as an enabling technology for such a change. In latest cellular

conditions and on the medium access control (MAC) layer performance (coded BER or PER) requested-input uncoded BER and the code rate. For MIMO-OFDM systems with different modulation types for different spatial streams at each subcarrier, we propose a simple and accurate method for computing the BER for each spatial

-based air interface. Its medium access control (MAC) system layer is designed for either FDD or TDD cellular are increased data rates, low latency, and high system capacity. The main tools used are adaptive transmission bands and supporting half- duplex FDD terminals. � Time division duplex (TDD) transmission over

... Accession Number : ADA083969. Title : An Investigation of Productivity Measures for the Peacetime MAC Airlift System Using System Simulation. ...

... Accession Number : ADA187968. Title : An Information Requirements Analysis of Military Airlift Command (MAC) Aerial Port Operations. ...