t? l? wireless phones of heavy Sch? es 1980 smartphones today, the technology does? s? mobile telephony has experienced incredible Worm? change. But have you of? J? demand? what is your name? your well? be G? Men in the world with the use of a T? S? Mobile phone? You? Also knowledge? On the most important functions such as WAP and the user
There are many mobile technology . Thus, the n? Chste time you buy a t? L? Phone, you need to know what the technology available to it.
g? n? rations
In the sp? 1970 decade, the initial registration g? No-operation (1G) mobile
The n? Chste g? No-operation of mobile communications, d? Bit 3G 384 kbps and provides up to? 2 Mbit / s? Via wireless interfaces such as GSM , TDMA and CDMA.
acc? s Mobile
Frequency Division Multiple Access (FDMA)
initial registration g? n? ration m? analog method acc? s mobile, f? r each call uses FDMA en? distinct sequences. For example, if there are four stations, re? Oivent each their own en? Accordingly. There is therefore no interf? Difference between them. It r? Duced the interf? Differences, but descr? NKT the number of users.
Time Division Multiple Access (TDMA)
TDMA offers a window? be unique f? r each user in each channel, so that many users acc? s? the en? frequency radio without Eng? reference to anyone. Each mobile conversation uses only one slot en? Frequency Particular re time.
Code Division Multiple Access (CDMA)
introduced commercially in 1995 by Qualcomm feeds <; strong> CDMA has quickly become one of the fastest growing in the world of wireless technologies. The r? 3G CDMA networks provide more capacity?? Tf? A voice traffic? High speed given? es of capacity? s-F? Many cellular providers are now? construction or modernization.
CDMA is used? in both 2G and 3G technologies wireless. Indian op? Tors such as cellular soci? T? Reliance India Mobile, Tata Indicom, BSNL and MTNL Garuda all use CDMA2000 Technology and its variant CDMA1x.
Global System for Mobile Communications (GSM)
GSM has become the global standard f? A mobile communication. It is low? on the TDMA protocol? envelope? Europe. GSM provides a level? Lev? Ma? of the container dimensions, standards of technology and a globally recognized quality? Exceptional sound? t F
? any t R?? s mobile phone at work
requires a Subscriber Identity Module (SIM) card containing your account information t ? l? phone? Thus LT, t? S? Indian GSM phone? ? Be used? anywhere in the world. platforms
wireless technology
1) GPRS
GPRS (General Packet Radio Services) is one of? development of GSM technology, GSM and IP int? gr? es. GPRS offers acc? S Internet? tr? s high speed. So k? F you can e-mail? A travel and surf the web? speed? Fen BerPR?. Currently, BPL Mobile and Hutch (Orange? Mumbai) offer GPRS services in India.
2) WAP
need this? re high technology, people from? investment without acc? s at r? bucket. It is? that WAP in. It helps us? acc? der? t comes from the Internet? l? phone. It is an open standard f? A wireless protocols, which ind? Dently expect suppliers. T? L? Mobile phone? More than a WAP browser to display Web content. Now, for days, t? S? Phones are often? Quip? S WAP browser and a user of technology
WAP and GPRS ? also ERM? like? Does the user? s? load games, e-mail? transf? r? s and m? me your messages on your PC.
3)
The new board (Enhanced Data GSM Environment) interface? t? d? envelope? e sp? cally for r? lay? bandwidth of 3G. This technology, Ericsson will be guided?? Impulse offers? Also given for? Es? high speed? Transmission? On the r? GSM networks with a simple layout software? level to the H? RER. ERM EDGE? cr?? the possibility? for speeds up? 384 kbps.
21 Where? Century, there are many technologies diff? Annuities ie n? Suppl? Comments f? R t we? MAN. These technologies are simply our life. The above article says? On the last? Res technologies. If you need more information to know m? Would you, k? You can? Also find information on: – http://www. India to connect. in
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