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Profile Documents Logout
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Slide 1
Slide 1

... improves throughput by maintaining a high packet completion rate and it increases performance in noisy environments. ...
Document
Document

... • If it is neccessary, they may pass from a host to another (only driver installation is needed)  Disadvantages • Much more unstable than Wi-Fi PCI Cards. • Units with interior antenna do not usually have high gain, so that they do not work properly in places where the quality of the signal is bad. ...
WIRELESS INTRUSION DETECTION SYTEMS
WIRELESS INTRUSION DETECTION SYTEMS

... Bogus Access points (Target 5) represent a different threat as these can be used to hijack sessions at the data link layer and steal valuable information. ...
Wireless Local Area Networks (WLAN)
Wireless Local Area Networks (WLAN)

... Wireless LANs are typically used with wireless enabled mobile devices such as notebook computers, PDAs and Tablet PCs. This allows users to take advantage of the flexibility, convenience and portability that WLANs can provide. Wireless networking is also appearing on other devices such as mobile pho ...
Data Frame Control (2) - Community College of Rhode Island
Data Frame Control (2) - Community College of Rhode Island

... Wireless Connection Process • Authentication is the process used by a station to verify that another station is approved for communications. This is a station authentication and not a user authentication. • Authentication Step – Two IEEE 802.11 standards: • Open System Authentication • Shared Key A ...
Recurrent Security Gaps In 802.11ac Routers
Recurrent Security Gaps In 802.11ac Routers

... wireless routers that are being sold by major router vendors in Fiji and these routers are being widely deployed in wireless local area network (wireless LAN or WLAN) in homes and office environments. The 802.11ac routers (also known as 5G Wi-Fi) offers a maximum of 1733 Mbps of wireless connection ...
wireless mesh networks
wireless mesh networks

... He is an Assistant Professor with the Department of Computer Science, National Chiao Tung University He received his Ph.D. in Computer Science from the Illinois Institute of Technology, May 2005. His research interesting focuses on wireless ad hoc networks, especially about the power saving issue. H ...
LevelOne
LevelOne

... Thank you for purchasing LevelOne 11g USB adapter with Wi-Fi Detector. This convenient device instantly detects wireless hotspots anywhere. The backlight LCD display tells the user detailed information about any detected hotspot. There’s no need to purchase any battery because there is a rechargeabl ...
DICENTIS Wireless Conference System
DICENTIS Wireless Conference System

... Probing of other Wi-Fi devices (like smart phones, tablets etc.) to the DICENTIS Wireless Conference system might lead to unstable functionality. Therefore it is strongly recommended that these Wi-Fi devices are connected to dedicated Wi-Fi access points. It is important to assure that these Wi-Fi a ...
DZ21798800
DZ21798800

... 3. EMBEDDED SYSTEM FOR USB WI-FI BRIDGE ...
Wireless Networks
Wireless Networks

... code  2.4-5 GHz range  up to 200 Mbps  all use CSMA/CA for multiple access  all have base-station and ad-hoc network versions Lecture 2: Wireless Networks ...
Presentation Title
Presentation Title

... bandwidth and meeting stringent performance standards necessary for real-time, video streaming in harsh environment • Link redundancy in various scenarios of metro operation ...
IOSR Journal of Electronics and Communication Engineering (IOSR-JECE)
IOSR Journal of Electronics and Communication Engineering (IOSR-JECE)

... software architecture of the player system, and discusses the design in detail. Today’s projector are connected to any device like computer, laptop, etc. using HDMI cable. So it becomes difficult to connect or project data from a device at a distance more than the length of HDMI cable. And it is als ...
sierra wireless watcher™ connection manager
sierra wireless watcher™ connection manager

... provide valuable real-time insight into modem status, connection status, network signal strength, roaming, and network performance, while the Quick Access Button Tray facilitates fast pushbutton access to the most popular advanced features of Watcher. ...
How To Set Up A Wireless Network Using A D-Link
How To Set Up A Wireless Network Using A D-Link

...  If you have multiple computers, it allows for all of them to access the internet without having wires all over the place  If you have a laptop, you can get full use of its portability  Allows computers to share files with each other ...
Watermarking technique is a particular embodiment of multimedia
Watermarking technique is a particular embodiment of multimedia

... The advances of VoIP and Internet telephony in general have come a long way since their inception. VOIP in simple terms is the process of breaking up audio or video into small chunks, transmitting those chunks over an IP network, and reassembling those chunks at the far end so that two people can co ...
SDconnect - Sklad66.com
SDconnect - Sklad66.com

... Wireless Data Transfer A new technology for wireless vehicle diagnosis – that‘s SDconnect. This multiplexer transfers fault detection data over the WLAN to Star Diagnosis compact4. In workshop mode, the data is transmitted via an access point into the workshop‘s computer network. SDconnect has an op ...
Paper - Steve Talbot
Paper - Steve Talbot

... communicating with the Internet Service Provider (ISP) via the DSL or cable modem. [1] Wi-Fi Interference and Antennae Overcrowding and overuse of the available bandwidth can be a problem for offices and apartment buildings where many WAPs are located within close proximity to one another. Also, man ...
comp412p1
comp412p1

... – Specialty hardware for specific purposes • 3G mobile broadband routers, femtocells, etc. Understanding Computers: Today and Tomorrow, 13th Edition ...
ESP8266 - Meetup
ESP8266 - Meetup

... The ESP8266 almost achieves the holy trifecta of electronics: cheap, powerful and easy to work with. Before this, if you wanted to add a wireless connection to a project, you had to use more power-hungry devices like USB WiFi dongles, or squish everything into a serial connection and use a wireless ...
wlan
wlan

... Interoperability between products is another important factor These products will be implemented on ISA, or PCMCIA cards for use in handheld PCs, PDAs, laptops or desktop applications. WLAN applications ...
From DS
From DS

... • Infrastructure networks provide access to other networks • Communication typically takes place only between the wireless nodes and the access point (AP), but not directly between the wireless nodes • AP not only controls medium access, but also acts as bridge to other wireless or wired networks ...
The Basics of HOME NETWORKS
The Basics of HOME NETWORKS

... rates- (raise the effective throughput of WLANs to at least 100M bps) Defining standardized modifications to the 802.11 physical layers and MAC layers, which will improve not just data rates but also actual data throughput www.captechgroup.com ...
Sales Guide for Wireless Mesh Network
Sales Guide for Wireless Mesh Network

... Not like the layer-2 only capability in ordinary AP, the “mobility” defined in MAP-2105 is the ability of a user to change its attached node from one mesh AP to another while maintaining all existing communications and using the same IP address at this new link. ...
Wireless Network vs. ASIC
Wireless Network vs. ASIC

... • There is no base station infrastructure. • Successive hops transport a packet. • Higher versatility and potentially lower power consumption. • Can be deployed quickly and in remote areas. ...
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Wi-Fi



Wi-Fi (or WiFi) is a local area wireless computer networking technology that allows electronic devices to network, mainly using the 2.4 gigahertz (12 cm) UHF and 5 gigahertz (6 cm) SHF ISM radio bands.The Wi-Fi Alliance defines Wi-Fi as any ""wireless local area network"" (WLAN) product based on the Institute of Electrical and Electronics Engineers' (IEEE) 802.11 standards. However, the term ""Wi-Fi"" is used in general English as a synonym for ""WLAN"" since most modern WLANs are based on these standards. ""Wi-Fi"" is a trademark of the Wi-Fi Alliance. The ""Wi-Fi Certified"" trademark can only be used by Wi-Fi products that successfully complete Wi-Fi Alliance interoperability certification testing.Many devices can use Wi-Fi, e.g. personal computers, video-game consoles, smartphones, digital cameras, tablet computers and digital audio players. These can connect to a network resource such as the Internet via a wireless network access point. Such an access point (or hotspot) has a range of about 20 meters (66 feet) indoors and a greater range outdoors. Hotspot coverage can be as small as a single room with walls that block radio waves, or as large as many square kilometres achieved by using multiple overlapping access points. Wi-Fi can be less secure than wired connections, such as Ethernet, precisely because an intruder does not need a physical connection. Web pages that use TLS are secure, but unencrypted internet access can easily be detected by intruders. Because of this, Wi-Fi has adopted various encryption technologies. The early encryption WEP proved easy to break. Higher quality protocols (WPA, WPA2) were added later. An optional feature added in 2007, called Wi-Fi Protected Setup (WPS), had a serious flaw that allowed an attacker to recover the router's password. The Wi-Fi Alliance has since updated its test plan and certification program to ensure all newly certified devices resist attacks.
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