A comparative study of GSM & CDMA technology
Summary :
Table of Contents
- Introduction
- Executive summary
- Current market situation
- The network structure of GSM
- The cellular showdown: CDMA vs. GSM
- Technology in practice
- GSM service providers
- CDMA service providers
- Conclusion
- Bibliography
Abstract
The mobile industry in India is divided between the two technologies gsm and cdma. While the earlier service providers had adopted the gsm technology, the new players have been using cdma technology and have notched up a significant share of the Indian market. Hence any discussion on Mobile Forensics needs to take into account the presence of the two technologies.
It is necessary for us to understand the basic differentiation of the two technologies as they may have an impact on the Forensics. An attempt is made here to present the fundamental technical aspects about the two systems.
gsm stands for Global System for Mobile Communications and cdma stands for Code Division Multiple Access. They represent different systems of sharing of the radio spectrum for communication.
Normally the radio spectrum can be shared by different users accessing the same frequency band without causing interference. The techniques used for this are TDMA (Time division multiple access), FDMA (Frequency division multiple access) and cdma (Code division multiple access).
gsm (Global System for Mobile Communications) is a form of multiplexing, which divides the available bandwidth among the different channels.
It is necessary for us to understand the basic differentiation of the two technologies as they may have an impact on the Forensics. An attempt is made here to present the fundamental technical aspects about the two systems.
gsm stands for Global System for Mobile Communications and cdma stands for Code Division Multiple Access. They represent different systems of sharing of the radio spectrum for communication.
Normally the radio spectrum can be shared by different users accessing the same frequency band without causing interference. The techniques used for this are TDMA (Time division multiple access), FDMA (Frequency division multiple access) and cdma (Code division multiple access).
gsm (Global System for Mobile Communications) is a form of multiplexing, which divides the available bandwidth among the different channels.
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