Wi-Fi standard successfully adapts Et hernet-style networking to radio links. Dynamic changes in the transmission medium and user mobility often cause severance or emergence of a “link” and the associated changes in the network topology, i.e., network graph connectivity. It provides data rates upto 1 Mbps or 3 Mbps depending upon the version. Contents Wireless networks Bluetooth Wi-Fi Father of Wi-Fi How a Wi-Fi Networks works Wi-Fi Networks types Hardware Wi-Fi Technology IEEE 802.11 b, IEEE 802.11 a, IEEE 802.11 g Latest technology in Wi-Fi - 802.11ac Elements of a Wi-Fi networks Roaming Advantages and Limitations of Wi-Fi Conclusion The computers and cell phones are ready with Wi-Fi cards. ... Start by marking “Wireless Networking: Introduction to Bluetooth and Wifi” as Want to Read: ... Start your review of Wireless Networking: Introduction to Bluetooth and Wifi. The radio waves are keys that make Wi-Fi networking possible. These days it feels like everything is wireless, and Bluetooth is a big part of that wireless revolution. Goals The goal of this lecture is to introduce: ‣ 802.11 family of radio protocols ‣ 802.11 radio channels ‣ Wireless network topologies ‣ WiFi modes of operation ‣ Strategies for routing network traffic 2. You are not allowed to transmit on any given frequency you like. See below for a comparison of the common wireless … Bluetooth is a wireless technology standard invented by Ericsson in 1994 for exchanging data over short distances using short-wavelength UHF radio waves (Range: 2.4 … Although Bluetooth utilizes the same standard signal range as conventional Wi-Fi, it cannot provide the same level of wireless connectivity. A bluetooth network is called piconet and a collection of interconnected piconets is called scatternet. Bluetooth: The chronicle Bluetooth 1.0 Bluetooth 2.0 + EDR Bluetooth 3.0 + HS Bluetooth 4.0 1998.10 –2003. This system, which is comprised of ZigBee network and database management system, has many important advantages such as low cost, low power consumption, and low date rate. Read the full chapter in this PDF: Introduction to wireless networks About the book: Wireless networking is ubiquitous, but how many people really know how it works, or what to do when it doesn't? KEYWORDS: WLAN Security, WTLS, WAP, WEP, 802.11b I. Overview Introduction Bluetooth is a global wireless standard that enables connectivity for a wide range of electronic devices ranging from mobile phones to medical devices, computers, and even toothbrushes. Bluetooth vs. Wi-Fi . WiFi or 802.11 is a set of standards designed for wireless ethernet LANs (local area networks) and is the protocol used by all of our miniPCI wireless cards. Introduction to Wireless LAN and IEEE 802.11 Submitted by gc on Mon, 02/18/2013 - 07:39 A wireless LAN (WLAN or WiFi) is a data transmission system designed to provide location-independent network access between computing devices by using radio waves rather than a cable infrastructure Introduction Bluetooth wireless technology (BWT) was developed in 1994 at Ericsson in Sweden. Bluetooth wireless technology is an inexpensive, short-range radio technology that eliminates the need for proprietary cabling between devices such as notebook PCs, handheld PCs, personal digital assistants (PDAs), cameras, and printers. If you have a policy that prohibits wireless networks, you may want to walk around the facility with a wireless network scanner to see if you detect any unauthorized Wi-Fi networks. Introduction to Bluetooth. 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