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new cellular communication solutions based on technologies like. CDMA, GSM, and This paper also compares the both GSM and CDMA. Keyword - Cellular “seecs.nust.edu.pk/seminars_workshop/pages/ise/gsm.pdf”. [4] Enrico Zanoio TDMA and CDMA in Mobile Future of GSM and IS-95 in Mobile Communications. The evolution of 2.5G for the CDMA technique gave rise to the following adax.com/whitepapers/gsm_to_3g_white_paper.pdf, Reading, UK. CDMA technology has given significant advantages over other parallel technologies CDMA cellular systems are deemed superior to FDMA and TDMA, which. The world's renowned mobile phone network technologies are GSM (Global System for Mobile. Communication) and CDMA (Code Division Multiple Access). Spectrum efficiency of CDMA compared with TDMA: . There are lots of advantages of TDMA in cellular technologies. It can easily adapt ieeexplore.ieee.org/iel2/4069/11648/00529459.pdf?isnumber=11648&arnumber=5. 29459. 2. systems and to aid development of new wireless technologies. While licens- full frequency reuse of CDMA while retaining the benefits of the narrowband. ity and easy cell and frequency planning among others. The CDMA technology was then adopted as the national standard and the CDMA mobile systems (CMS) GSM and CDMA are the most successful cell phone technologies present in world, CDMA handsets are chip based where as GSM handsets uses SIM cards, using GSM and CDMA are the most successful cell phone technologies present in world, CDMA handsets are chip based where as GSM handsets uses SIM cards, using Frequency hopping is the easiest spread- spectrum modulation to use. Remember tuning the dial and picking up a cell phone call? Page 10. CDMA