Gsm global system for mobile communication and cdma code division multiple access are two dominant technologies for mobile. The cdma gsm split ended, in theory, as carriers all switched to lte, a single, global 4g standard, starting in 2010. This article discusses on the difference between gsm and cdma in terms of technology, security, global reach, sim card, flexibility, radiation emitted. The worlds renowned mobile phone network technologies are gsm global system for mobile. Its widely used in europe and other countries of world. Communication and cdma code division multiple access. Gsm operates on the 900 mhz, 1800 mhz and 1900 mhz. Gsm global system for mobile communication based on tdma technology. Gsm uses a combination of both tdma and fdma techniques.
Cdma benefits increased voice capacity by several times provided more efficient use of spectrum resources increased battery life in mobile devices better security with cdma encoding cdma is the foundation for mobile 3g technologies potential voice capacity improvements1 reference 1x 3x 14x analog 1980s gsm 1990s cdmaone 1990s. Codedivision multiple access cdma is a channel access method used by various radio. We take a closer look at some of the differences between gsm and cdma networks and how they matter to everyday consumers. Scribd is the worlds largest social reading and publishing site. Less fragmentation of market for operators to use the same mobile technology which creates a global market scale and benefits the whole. Gsm provides new services are call making, call hold, conference calling, short message servicing and fax and electronic mail. Gsm uses digital communication system or dcs 1800 and is the worlds. Global system for mobile communication is used for transmitting mobile voice and data services. Evolution of gsm worldwide deployment of gsm gsm vs. Gsm utilizes the code division multiple access cdma concept, rather than. Implementing lte fddtdd convergence network in the age of. Gsm vs cdma difference between gsm and cdma elprocus.
Gsm and cdma are competing wireless technologies with gsm enjoying about an 82% market share globally. 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. Cdma generations of gsm gsm architecture services of gsm characteristics and features advantages of gsm disadvantages of gsm applications of gsm conclusion references prepared by. Lte has brought us to the best times ever 2 wcdma tdscdma cdma 2000 wimax hspa evdo lte tdd xgp lte fdd lte fddtdd gsm cdma pdc phs gprs edge cdma 1x global scale. The cdma network operates in the frequency spectrum of cdma 850 mhz and 1900 mhz while the gsm network operates in the frequency spectrum of gsm 850 mhz and 1900 mhz. The cdmagsm split ended, in theory, as carriers all switched to lte, a single, global 4g standard, starting in 2010. Gsm ppt telecommunications data transmission scribd. Cdma comparing the two most prevalent mobile communication technologies what is.
Intdma band width available for transmission is small which leads to compromise in quality of transmission. Whereas in cdma systems entire spectrum is used which enhances voice quality. But because most phones still need to support 2g and 3g networks even to this. This acronym designates protocols for allowing multiple users to the same radio channel. This tutorial provides an introduction to basic gsm concepts, specifications, networks, and. Intdmafdma, cell design requires more frequency planning which is tough job.
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