Wireless network
A
wireless network is a
telephone or
computer network that uses
radio as their
carrier or
physical layer.
*
Wireless MAN - metropolitan area network
*
Wireless LAN - local area networks
*
Wireless PAN - personal area networks
*
GSM - Global standard for digital mobile communication, common in most countries except South Korea and Japan
*
PCS - Personal communication system - not a single standard, this covers both
CDMA and GSM networks operating at 1900 MHz in North America
*
Mobitex - pager-based network in the USA and Canada, built by Ericsson, now used by PDAs such as the
Palm VII and
Research in Motion BlackBerry*
GPRS - General Packet Radio Service, upgraded packet-based service within the
GSM framework, gives higher data rates and always-on service
*
UMTS - Universal Mobile Telephone Service (3rd generation cell phone network), based on the
W-CDMA radio access network
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AX.25 - amateur packet radio
*
NMT - Nordic Mobile Telephony, analog system originally developed by PTTs in the Nordic countries
*
AMPS - Advanced Mobile Phone System introduced in the Americas in about 1984.
*
D-AMPS - Digital AMPS, also known as
TDMA*
Wi-Fi - Wireless Fidelity, widely used for Wireless LAN, and based on IEEE 802.11 standards.
*
Wimax - A solution for BWA (Broadband Wireless Access) and conforms to IEEE 802.16 standard.
The following institutions conduct wireless network related research:
*
University of California, Berkeley*
University of Pennsylvania*
Massachusetts Institute of Technology*
Helsinki University of Technology*
Royal Institute of Technology (Stockholm, Sweden)
*
Stanford UniversityThe following Companies sell wireless networking related products:
*Handsets, network equipment
*
Nokia*
Motorola*
Ericsson (network equipment only)
*
Siemens AG*
Sony Ericsson (handsets only)
*
SeattleWireless*
NYCwireless*
RedLibre*
Personal Telco*
Toronto (soon)
*
Batam bwic.blogspot.com*
Warchalking*
Community wireless network*
Wireless LAN*
Exposed terminal problem
