Comparison of 2G-GSM and IS95

January 28, 2008 in Mobile Phone, Study
Tags: 2.5G, 2G, 3G, CDMA, GPRS, GSM, IS 95, Mobile phones, Qualcomm, Technology, WLL

Advantages of 2G GSM
* GSM is mature; this maturity means a more stable network with robust features.
* Less signal deterioration inside buildings.
* Ability to use repeaters.
* Talktime is generally higher in GSM phones due to the pulse nature of transmission.
* The availability of Subscriber Identity Modules allows users to switch networks and handsets at will, [...]

CDMA

January 28, 2008 in Mobile Phone, Study
Tags: 2.5G, 2G, 3G, CDMA, GPRS, GSM, IS 95, Mobile phones, Qualcomm, Technology, WLL

Code division multiple access (CDMA) is a channel access method utilized by various radio communication technologies. It should not be confused with cdmaOne (often referred to as simply “CDMA”), which is a mobile phone standard that uses CDMA as its underlying channel access method. (more…)