Pdf cdma vs gsm mobile

The cdma network operates in the frequency spectrum of 850mhz and 1900mhz. The difference between cdma and gsm unlocked unreal mobile. The first option is gprs which is available for both the networks at an average speed of 150 to 170 kbps. Several forms of mobile data communication are offered by cdma and gsm. All about cdma sprint phones will a brand new phone work.

Gsm supports transmitting data and voice both at once, but cdma have not this feature. The gsm network operates in the frequency spectrum of 850mhz and 1900mhz. As i mentioned earlier, gsm is a widely used network technology across the globe. Cdma is exclusively used in the united states, canada and japan. Cdma is almost exclusively used in united states and some parts of canada and japan. Difference between cdma and cdma pdf semantic scholar. There are also other devices which use 3g networks and will work with both gsm or cdma. Gsm is in use over 80% of the worlds mobile networks in over 210 countries as compared to cdma. Gsm stands for global system for mobile communication, and unless. As the european union permissions gsm use, so cdma is not supported in europe.

Wcdma is wideband cdma that still uses code division to divide the channels. The most major difference between cdma and wcdma is in the group of. Difference between gsm and cdma with comparison chart. The real problem with the cellular industry is all the. Cdma code division multiple access and gsm global system for mobiles are shorthand for two older radio systems 2g and 3g used in cell phones. The entire information about the user and the account is stored in the internal memory of the device or handset. Unreal mobile has grown quite a bit since we first launched our service. Its first of the two part lectures which will cover gsm and cdma, the. Whats the difference between these cellular standards.

Cdma code division multiple access is a technology that forms the basis of 3g mobile phones. However, most of these phones are either locked to one carrier or not easy to find. Gsm stands for global system for mobile communication, while cdma stands for code division multiple access gsm uses fdma frequency division multiple access and tdma time division multiple access. All about gsm sim card phones locked vs unlocked phones should i bring my own phone, or buy a sim card. How reliable is the gsm network technology at t mobile. Luckily, us mobile has excellent cellular coverage using the best gsm and cdma networks in the us. Gsm and cdma in hindi difference between gsm vs cdma.