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2G,2.5G was the digital handsets that we are used today
3G WIRELESS SYSTEM
(cdma 2000 in us & w-cdma in europe & japan):2000's
128kbps (high speed)
4G /5G WIRELESS SYSTEM
3G Services include:
Superior voice quality and video conference
e-mail, personal organizer
Information for web surfing, music, news, corporate intranet, transportation
Purchasing – on-line shopping / banking, ticketing, gambling, games, etc.
4G is a conceptual framework and a discussion point to address future needs of a high speed wireless network
Expected to emerged around 2010 – 2015
4G will bring almost perfect real world wireless or called “WWWW: World Wide Wireless Web
5G is a completed wireless communication with almost no limitation; somehow people called it real wireless world
5G wireless system is only theory and not real
Evolved from mobile telephone as voice conversation and communication tools for private and business uses
Emerged from computer network. It helps business user to expand their service areas by using LAN (faster data transport)
WIRELESS LOCAL AREA NETWORK
Wireless applications are those which use free space as the transmission medium & do not involve cabling like fiber or copper
Voice Data,Microwave TV Transmission, millimeter Data Transmission, Cellular Telephony Services, Wireless Video
Wireless solutions for
business and industry
people on the go like Real Estate Agents, Stock Brokers, Doctors, Pilots
Personal and home security
police and emergency vehicles
3G is very attractive and advantageous
Users get high quality services like excellent sound quality ,fast mobile internet connection, video calls
3G uses UMTS which yields to existing GSM networks that exist in almost every small city & village, thus the change of equipment & software connected with material cost that’s why only big companies are able to affordable
4G is set to available around 2010,with the 1billion users around world
Users can expect low cost per data bit,as well as speed & reliability
4G and NGN’s are becoming fast and very cost-effective
Service providers are in search of migration to all IP network ,a more expected to lower high speed data costs like 3.5G or even 4G,5G
WWWW (wide wireless web) started from 4G technologies
5G should make an important difference and add more services and benefit to the world over
wireless systems becoming an important infrastructure in our society, network and internet field. In this paper, it is briefly introduced the history background of 1G to 5G,A virtual global system is a good solution that can efficiently connect many dedicated wireless systems including 2G to 4G cellular systems, wireless LAN, broadcasting systems, etc. offering more services and smooth global roamingwith inexpensive cost.
Werner Mohr (2002). "Mobile Communications Beyond 3G in the Global Context" (PDF). Siemens mobile. http://www.cu.ipv6tf.org/pdf/werner_mohr.pdf.
Morr, Derek (2009-06-09). "Verizon mandates IPv6 support for next-gen cell phones". http://www.personal.psu.edu/dvm105/blogs/ipv6/2009/06/verizon-mandates-ipv6-support.html.
"KT Launches Commercial WiBro Services in Korea". WiMAX Forum.
4G Small Cells Alcatel-Lucent Chair on 4G
Verizon 4G LTE Speed Test Video Smartkeitai.com.
3GPP LTE Encyclopedia
Nomor Research: White Paper on LTE Advance the new 4G standard
"High speed mobile network to launch in Jersey“ BBC News.
Sajal Kumar Das, John Wiley & Sons (April 2010): "Mobile Handset Design", ISBN 978-0-470-82467-2
Will Knight (2005-09-02). "4G prototype testing“.