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(3790 results)-
White Papers
Precise Time Synchronization in Linear Topology Network Using Transparent Clock
May 30, 2012 12:00am PDT
Time synchronization accuracy between master clock and slave clock is an important criterion in distributed measurement and control system. IEEE 1588 based time synchronization in network can be...
Provided by: AICIT
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White Papers
Ensuring Fair Access in IEEE 802.11p-Based Vehicle-to-Infrastructure Networks
May 14, 2012 12:00am PDT
IEEE 802.11p is an approved amendment to the IEEE 802.11 standard to facilitate Wireless Access in Vehicular Environments (WAVE). In this paper, the authors present an analytical model to evaluate...
Provided by: Springer Science+Business Media
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White Papers
Security Issues in Distributed Multihop WiMAX Networks
May 5, 2012 12:00am PDT
In this paper, the authors study the existing standards in multihop WiMAX networks and their security issues. For secured communications, it is necessary to have hop-by-hop authentication for any...
Provided by: Universal Association of Computer and Electronics Engineers
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White Papers
Effects of Hidden Terminals and their Alleviation in Multi Rate Ad Hoc Networks
May 5, 2012 12:00am PDT
In multi rate ad hoc networks the hidden terminal problem is unique and there is a limited understanding of its effect on network performance. In this paper, the authors studied the effects of...
Provided by: Universal Association of Computer and Electronics Engineers
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White Papers
A Novel Call Admission Control Scheme for Multimedia Traffic in IEEE 802.16e OFDMA Systems
May 5, 2012 12:00am PDT
IEEE 802.16e Broadband Wireless Access (BWA) technology is one of the most promising technologies for broadband access and has many applications. In order to meet the requirements of diverse...
Provided by: Universal Association of Computer and Electronics Engineers
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White Papers
CDMA Vs. OFDM- Comparison and Hybrid OFDM- The Solution for the Next Generation
May 1, 2012 12:00am PDT
This paper investigates the effectiveness of OFDM and proven in other conventional (narrowband) commercial radio technologies (e.g. DS-CDMA in cell phones) (e.g. OFDM in IEEE 802.11a/g). The main...
Provided by: International Journal of Soft Computing and Engineering (IJSCE)
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White Papers
An improved Markov Chain Model for Performance Analysis of IEEE 802.11 DCF
May 1, 2012 12:00am PDT
IEEE 802.11 MAC (Medium Access Control) protocol. The most important standard for wireless ad hoc network is a key topic for wireless network performance. Based on the strong points in the...
Provided by: AICIT
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White Papers
Research of Burst Media Access Control Protocol in CFP
May 1, 2012 12:00am PDT
Wireless Local Area Network (WLAN) is a prevalent network in the Network Control System (NCS). To lower access delay of burst real-time data in large WLAN Control System (WNCS), proposed a...
Provided by: AICIT
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White Papers
A Scheme of Detection and Prevention Rogue AP Using Comparison Security Condition of AP
April 23, 2012 12:00am PDT
Rogue Access Points (RAPs) cause serious security threats to wireless networks. To detect RAPs, the authors propose a novel user-oriented framework based on security condition. AP's security...
Provided by: Universal Association of Computer and Electronics Engineers
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White Papers
Analysis of Throughput GTS and SDS in IEEE 802.15.4
April 2, 2012 12:00am PDT
The current IEEE 802.15.4 standard restricts the beacon enabled approach to star networks, while they support multi-hop networking in mesh but with no synchronization. In this paper there is...
Provided by: Centre for Development of Advanced Computing
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White Papers
Improving the Bandwidth Utilization by Recycling the Unused Bandwidth in IEEE 802.16 Networks
April 2, 2012 12:00am PDT
The Physical and MAC layers have been specified in IEEE 802.16 networks. The quality of service is ensured by the bandwidth reservation. The subscriber station should reserve the bandwidth more...
Provided by: Adhiyamaan College of Engineering
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White Papers
Puzzle Based Approach for Solving Denial of Service Attack in Mobile WIMAX
April 1, 2012 12:00am PDT
Mobile WiMAX or IEEE 802.16e gives the access of Broadband Wireless even when the station is moving. But, as always Wireless environment is more open to threats; various threats exist over Mobile...
Provided by: Academy & Industry Research Collaboration Center
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White Papers
Reducing Starvation in Multi-Channel Protocols Through Enhanced AMCP
April 1, 2012 12:00am PDT
The multi-channel protocols are determined to have more throughput when compared to single-channel protocols. Asynchronous Multi-Channel Co-Ordination protocol (AMCP) is devised to address the...
Provided by: International Journal of Engineering and Advanced Technology (IJEAT)
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White Papers
A Study of MAC Protocols for WBANs Based on Markov Chain
April 1, 2012 12:00am PDT
The IEEE 802.15.4 standard is specifically devised to support low power, low data rate in relation to Wireless Body Area Network (WBAN). A WBAN provides long-term health monitoring of a patient...
Provided by: AICIT
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White Papers
Practical Message Manipulation Attacks in IEEE 802.15.4 Wireless Networks
March 26, 2012 12:00am PDT
The authors assess the ability of adversaries to modify the content of messages on the physical layer of wireless networks. In contrast to related work, they consider signal overshadowing to...
Provided by: University of Kaiserslautern
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White Papers
Hybrid Encryption in the Multi-User Setting
March 20, 2012 12:00am PDT
This paper presents an attack in the multi-user setting on various publickey encryption schemes standardized in IEEE 1363a, SECG SEC 1 and ISO 18033-2. The multi-user setting is a security model...
Provided by: International Association for Cryptologic Research
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White Papers
A Novel Pre-Authentication Scheme Based on Fast Channel Switching in IEEE 802.11 WLANs
March 14, 2012 12:00am PDT
In the case of a 3G-WLAN inter-working architecture, handoff latency is mainly caused by the delays incurred when a mobile STAtion (STA) transfers a current security context to the target access...
Provided by: Springer
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White Papers
Analyzing the Performance of GTS Allocation Using Markov Model in IEEE 802.15.4
March 12, 2012 12:00am PDT
In this paper, the authors present an analytical model based on a Markov chain to compute the performance of the GTS allocation mechanism in IEEE 802.15.4 standard. In this, theoretical analysis...
Provided by: International Journal of Computer Science and Information Technologies
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White Papers
Towards MAC/Anycast Diversity in IEEE 802.11n MIMO Networks
March 9, 2012 12:00am PST
Opportunistic Routing (OR) is a novel routing technique for wireless mesh networks that exploits the broadcast nature of the wireless medium. OR combines frames from multiple receivers and...
Provided by: Humboldt University Berlin
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White Papers
Design and Development of Ferroelectric Material for Microstrip Patch Array Antenna
March 3, 2012 12:00am PST
This paper presents the utilizing of ferroelectric material on antenna application. There are two different ferroelectric had been used on the proposed antennas which include of Barium Strontium...
Provided by: World Academy of Science, Engineering and Technology
