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wi-fi
(4025 results)-
White Papers
A Taxonomy of Cross Layer Routing Metrics for Wireless Mesh Networks
May 21, 2012 12:00am PDT
Multi-hop, multi-channel, and multi-radio Wireless Mesh Networks (WMNs) are emerging as promising field of wireless technology with self-organizing and self-healing features for internet and real...
Provided by: Springer Science+Business Media
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White Papers
Carving Secure Wi-Fi Zones With Defensive Jamming
May 4, 2012 12:00am PDT
With rampant deployment of wireless technologies such as WLAN, information leakage is increasingly becoming a threat for its serious adopters such as enterprises. Research on antidotes has been...
Provided by: Association for Computing Machinery
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White Papers
Energy-Efficient Rate Adaptation for Long-Distance Wireless Mesh Networks
May 1, 2012 12:00am PDT
LDmesh (Long-Distance wireless mesh) networks with links as long as tens of kilometers have been broadly deployed to bring low-cost IT revolution to developing regions. However, external...
Provided by: AICIT
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White Papers
Wi-Fi Proximity and Context-Aware Browsing
April 25, 2012 12:00am PDT
This paper describes a new model for accessing to local data for mobile subscribers. The authors' model uses Wi-Fi proximity ideas. In their concept, any exiting or even especially created Wi-Fi...
Provided by: IARIA
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White Papers
Mobile Telephony Communication Using WIFI P2P
April 23, 2012 12:00am PDT
The purpose of this paper is to design and implement a telephony program that uses Wi-Fi using Peer-to-Peer communication between mobile phones without any cost. The system will allow users to...
Provided by: Universal Association of Computer and Electronics Engineers
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White Papers
Distributed Lyapunov Drift-Plus-Penalty Routing for WiFi Mesh Networks With Adaptive Penalty Weight
April 21, 2012 12:00am PDT
In the authors' previous work on distributed backpressure routing for WiFi Mesh Networks (WMN), they showed that backpressure routing when combined with geographic information results in a...
Provided by: Centre Tecnològic de Telecomunicacions de Catalunya (CTTC)
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White Papers
868 MHz: A Noiseless Environment, But No Free Lunch for Protocol Design
April 14, 2012 12:00am PDT
Lossy links are one of the fundamental characteristics of Wireless Sensor Networks (WSNs). A large amount of work has been performed on characterizing link properties of 802.15.4 radios, in...
Provided by: Delft University of Technology
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White Papers
Network Cooperation for Client-AP Association Optimization
April 11, 2012 12:00am PDT
In a WiFi deployment with multiple access points, optimizing the way each client selects an AP from amongst the available choices, has a significant impact on the realized performance. When two or...
Provided by: Rutgers University
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White Papers
Monitoring Spatial Queries Processing in Wireless Broadcast Environments
April 4, 2012 12:00am PDT
In order to enhance the scalability o f the system using the computational capabilities of the mobile devices Wireless data broadcast is an important technique. Under this environment, this...
Provided by: Shivaji University
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White Papers
Sparse WiFi Deployment for Vehicular Internet Access With Bounded Interconnection Gap
April 4, 2012 12:00am PDT
Vehicular Internet access via open Wi-Fi Access Points (APs) has been demonstrated to be a feasible solution to provide opportunistic data service to moving vehicles. Using an in situ deployment,...
Provided by: Institute of Electrical & Electronic Engineers
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White Papers
A Compact Microstrip Patch Antenna With Triangular Snipped Slot for Wireless Applications
April 1, 2012 12:00am PDT
A compact micro-strip patch antenna with a slot fed by coaxial probe is presented in this paper. The slot which is circular in shape with triangular truncations results three narrow bands. The...
Provided by: International Journal of Engineering and Advanced Technology (IJEAT)
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White Papers
Application of MIH for the Lightweight Deployment of LTE-Advanced Systems Through Mobile Relaying
March 26, 2012 12:00am PDT
In a conventional cellular network end users connect directly to a Base Station (BS). Mobile relaying allows establishing an indirect two-hop link between the end user, called Mobile Node (MN),...
Provided by: EURASIP
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White Papers
Licensing Open Spectrum Systems
March 22, 2012 12:00am PDT
This paper studies how the spectrum regulation could change in the future open spectrum communication systems. Due to their huge success in short-range communication systems (WiFi, Zigbee, etc.,),...
Provided by: Centre Tecnològic de Telecomunicacions de Catalunya (CTTC)
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White Papers
Design and Performance Evaluation of a Lightweight Wireless Early Warning Intrusion Detection Prototype
March 1, 2012 12:00am PST
The proliferation of wireless networks has been remarkable during the last decade. The license-free nature of the ISM band along with the rapid proliferation of the Wi-Fi-enabled devices,...
Provided by: EURASIP
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White Papers
Fast and Accurate Practical Positioning Method Using Enhanced-Lateration Technique and Adaptive Propagation Model in GSM Mode
March 1, 2012 12:00am PST
In this paper, the authors consider problem of positioning of mobile phones, different approaches were produced for these targets using GPS, WiFi, GSM, UMTS and other sensors, which exist in today...
Provided by: International Journal of Computer Science Issues
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White Papers
Comparative Study of CDMA and OFDM in WI-FI
March 1, 2012 12:00am PST
There have been extensive research efforts on simulating Wireless Local Area Networks. Many papers have studied the performance of IEEE 802.11 WLANs by using simulation under different channels...
Provided by: International Journal of Computer Science Issues
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White Papers
Periodic Transfers in Mobile Applications: Network-Wide Origin, Impact, and Optimization
February 24, 2012 12:00am PST
Cellular networks employ a specific radio resource management policy distinguishing them from wired and Wi-Fi networks. A lack of awareness of this important mechanism potentially leads to...
Provided by: Association for Computing Machinery
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White Papers
Strict Priority Scheduler for Rate Controlled Transmission
February 23, 2012 12:00am PST
The paper proposes a modification to the strict priority scheduler, to guarantee the Quality of Service (QoS) of a network with variable and undetermined bandwidth capacity. The proposed...
Provided by: IARIA
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White Papers
Push-and-Track: Saving Infrastructure Bandwidth Through Opportunistic Forwarding
February 22, 2012 12:00am PST
Major wireless operators are nowadays facing network capacity issues in striving to meet the growing demands of mobile users. At the same time, 3G-enabled devices increasingly benefit from ad hoc...
Provided by: CNRS
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White Papers
Precise Frequency and Bandwidth Control of Switchable Microstrip Bandpass Filters Using Diode and Microelectro-Mechanical System Technologies
February 22, 2012 12:00am PST
In this paper, two reconfigurable bandpass filters are presented. The first filter is able to switch between WiFi and Universal Mobile Telecommunications System (UMTS) transmit band standards....
Provided by: Institution of Engineering and Technology
