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wi-fi
(8770 results)-
White Papers
LocSens - An Indoor Location Tracking System Using Wireless Sensors
June 23, 2008 12:00am PDT
Ubiquitous and pervasive computing envisions context-aware systems that gather real world information from many fixed and mobile microchips and sensors integrated in everyday objects. To provide...
Provided by: Institute of Electrical and Electronics Engineers
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White Papers
Mobile WiMAX MIMO Performance Analysis: Downlink and Uplink
June 23, 2008 12:00am PDT
Demand for broadband services continues to grow. Conventional high-speed broadband solutions are based on wired-access technologies, such as Digital Subscriber Line (DSL). This type of solution is...
Provided by: Institute of Electrical and Electronics Engineers
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Blog Post
Network and wireless technologies at CommunicAsia
June 22, 2008 9:59pm PDT
CommunicAsia2008 was held in Singapore last week. I managed to squeeze out a couple of days to brave the vast exhibition halls at the Singapore Expo. I am finishing up the fully gallery at the...
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Discussion Threads
Wi-Fi thief's tale reminds IT to enforce home office security
June 20, 2008 4:28pm PDT
Wi-Fi thief's tale reminds IT to enforce home office security article root Things NOT to do to secure your AP "Dont't broadcast the SSID." 1. Not a good idea from the workstation side of the...
28 Started by pjboyles | Latest comment by Neon Samurai
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Blog Post
Wi-Fi thief's tale reminds IT to enforce home office security
June 20, 2008 12:09pm PDT
Network security is only as good as its weakest link--often users' home Wi-Fi networks. IT managers must examine their exposure to unsecured Wi-Fi networks and take steps to mitigate any risks,...
28 Latest comment by Neon Samurai
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White Papers
AnonySense: Privacy-Aware People-Centric Sensing
June 20, 2008 12:00am PDT
Personal mobile devices are increasingly equipped with the capability to sense the physical world (through cameras, microphones, and accelerometers, for example) and the network world (with Wi-Fi...
Provided by: Association for Computing Machinery
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White Papers
Symphony: Synchronous Two-Phase Rate and Power Control in 802.11 WLANs
June 20, 2008 12:00am PDT
Adaptive transmit power control in 802.11 Wireless LANs (WLANs) on a per-link basis helps increase network capacity and improves battery life of Wi-Fi enabled mobile devices. However, it faces the...
Provided by: Association for Computing Machinery
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White Papers
Enhanced Multiuser Random Beamforming: Dealing With the Not so Large Number of Users Case
June 20, 2008 12:00am PDT
The authors consider the downlink of a wireless system with an M-antenna base station and K single-antenna users. A limited feedback-based scheduling and precoding scenario is considered that...
Provided by: Institute of Electrical and Electronics Engineers
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White Papers
Mobile WiMAX System Performance - Simulated Versus Experimental Results
June 20, 2008 12:00am PDT
This paper addresses the downlink performance of mobile WiMAX operating at 2.3GHz in an urban environment. The analysis includes a comparison of simulated and experimental results. Simulated...
Provided by: Institute of Electrical and Electronics Engineers
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White Papers
M3S - Multimedia Mobility Management and Load Balancing in Wireless Broadcast Networks
June 19, 2008 12:00am PDT
Wireless local-area networks represent a viable broadband Internet access solution for enterprise, residential and public areas. Due to its short range radio, multiple wireless access points are...
Provided by: Dublin City University
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White Papers
Cooperative Localization in Wireless Ad Hoc and Sensor Networks
June 19, 2008 12:00am PDT
The need for highly accurate position information is of great importance in many commercial, public safety, and military applications. With the integration of GPS into cell phones, in conjunction...
Provided by: Hindawi Publishing
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White Papers
Analysis of Variation in IEEE802.11k Channel Load Measurements for Neighbouring WLAN Systems
June 19, 2008 12:00am PDT
This paper focuses on analysing the variation in IEEE802.11k channel load measurements for neighbouring WLAN systems. The channel load functionality was implemented in the QualNet simulation tool,...
Provided by: University College Dublin
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White Papers
Towards Distributed Event Detection in Wireless Sensor Networks
June 18, 2008 12:00am PDT
Distributed event detection in Wireless Sensor Networks (WSNs) is the process of observing and evaluating an event using multiple sensor nodes without the help of a base station or other means of...
Provided by: Freie Universitat Berlin
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White Papers
OECD Policy Guidance for Addressing Emerging Consumer Protection and Empowerment Issues in Mobile Commerce
June 18, 2008 12:00am PDT
For the purposes of this paper, mobile commerce, also known as "Mobile ecommerce" or "M-commerce," means commercial transactions and communication activities conducted through wireless...
Provided by: OECD
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White Papers
A Distributed Algorithm for Optimal Throughput and Fairness in Wireless Networks With a General Interference Model
June 18, 2008 12:00am PDT
In multi-hop wireless networks, earlier research on joint scheduling and congestion control has suggested that MAC-layer scheduling is the bottleneck. Distributed scheduling for maximal throughput...
Provided by: University of California
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White Papers
Achievable Bandwidth Estimation for Stations in Multi-Rate IEEE 802.11 WLAN Cells
June 18, 2008 12:00am PDT
This paper analyzes the effect of multi-rate transmissions in a CSMA wireless LAN environment. Observations in a real testbed showed that bandwidth resources (in Bytes/s) are shared fairly among...
Provided by: Technical University of Catalonia
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Downloads
DOT11 Monitor 1.1.1 (Windows)
June 18, 2008 12:00am PDT
Enterprise Wi-Fi deployments have become mission critical. Mobile users are dependent upon a robust radio frequency (RF) connection between their mobile client device and the network...
Provided by: Oberon
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White Papers
WiMax 802.16e & Its Comparison With Other 3G Technologies
June 17, 2008 12:00am PDT
WiMAX is revolutionizing the broadband wireless world, enabling the formation of a global Wireless industry. These days many researchers, manufacturers and operators are looking at IEEE 802.16, a...
Provided by: Lund University
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White Papers
Prototyping and Performance Analysis of a QoA MAC Layer for Industrial Wireless Network
June 16, 2008 12:00am PDT
Today's industrial sensor networks require strong reliability and guarantees on messages delivery. These needs are even more important in real time applications like control/command, such as...
Provided by: IFAC (International Federation of Accountants)
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White Papers
Proposition of a Full Deterministic Medium Access Method for Wireless Network in a Robotic Application
June 16, 2008 12:00am PDT
Today, many network applications require shorter react time. Robotic field is an excellent example of these needs: robot react time has a direct effect on its task's complexity. Here, the authors...
Provided by: Centre pour la Communication Scientifique Directe
