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Wireless Internet. ... Nortel Networks already demonstrated wireless applications at
speeds more than 25 times faster than today's industry standard. ...
Wireless Internet. ... Nortel Networks already demonstrated wireless applications at
speeds more than 25 times faster than today's industry standard. ...
Wireless Industry. Over the past decade the wireless telecommunications industry
has undergone a multitude of changes and experienced rapid growth. ...
Wireless Networking. 1. What is wireless networking? ... Strictly speaking, any
technology that does this could be called wireless networking. ...
Trends in Wireless Technology. ... IEEE 802.11a and ETSI (European Telecommunications
Standards Institute) HiperLAN2 wireless LAN standards. ...
Submitted by spskp48 on October 29, 2005
Category: Technology
Words: 2935 | Pages: 12
Views: 313
Popularity Rank: 30,212
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NTC/360 r4 Network & Telecommunications Concepts
John H. P. Ho
October 17, 2005
Wireless Technology
There will always be the need for hard wires, backbones and fiber connections, but the day of having to use a BNC or RJ-45 connector as the only way for a computer or device to get connected to a network is long gone. Welcome to the world of wireless. Everyone today wants to use wireless, from keyboards, to TV remote control, Xbox game controllers, cell phones, cell phone ear buds and of course the coffee shop laptop users. This paper is going to highlight some of the technologies associated with the IEEE standard of 802.11, some security measures to be considered, how it applies in the corporate world and some future enhancements of this technology.
Wireless Technologies / Types
There are several different specifications in regards to wireless networking. The Institute of Electrical and Electronics Engineers (IEEE) developed the 802.11 standards for the wireless networking group. There are the 802.11, 802.11a, 802.11b, and 802.11g. On the near horizon is the 802.11n specifications that will be pushing 200+ Mbps over the air (Deviceforge.com, 2005). The larger 802 specifications focus on the physical and data link layers of the OSI model since all 802 networks include a physical component and a media access control (MAC). Examples of other specifications under 802 include 1, 2, 5, and 11 among others. The 802.s specification describes a common link layer and the logical link control (LLC). 802.11 like the 802.2 specification includes LLC encapsulation. 802.11 further includes MAC, frequency hopping spread spectrum (FHSS), and direct sequence spread spectrum (DSSS). In the narrow-band or single-frequency radio LAN’s the receiver and transmitter use the same specific frequency for incoming and outgoing data to a maximum range of 70 meters. Spread-spectrum radio offers advantages over single-frequency in that it...
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