CDMA Full Form

What is the Full Form of CDMA?

The term CDMA Stands for Code Division Multiple Access. This is a channel based technology implemented by commercial cellular systems to enhance the standard of communication between the users. Mobile companies highly appreciate this popular method for a better connection. The phrases ‘multiple access’ speaks of the power of handling several communications at the same time. 


English Allies developed this unique technology during the Second World War. Later, Qualcomm made this technology available for commercial use. In 1995, Hutchison Telephone Co launched CDMA technology for the first time in Hong Kong. This well-known system allows users to share a channel without any interference. 


What is the Working Area of CDMA? 

CDMA technology allows multiple access that lets many transmitters share information on the same communication channel. With this widely accepted, spread-spectrum system users enjoy the same frequency allocations and time in the given space. The Full Meaning of CDMA can also be stated as digital cellular phone technology that handles several communications altogether without a break. 


The Key Advantages of CDMA

  • CDMA technology owns high capacity as it enables several customers to share information using the same local signal. This technology is ten times stronger than the previous analog cellular technologies. Apart from that, Code Division Multiple Access appears to be five times more powerful than GSM (Global System for Mobile communications) technology.

  • CDMA technology offers an intense security level. This system encrypts the data, which is very difficult to eavesdrop and intercept. To decode the conversation, even a well-equipped user must know your code. 

  • CDMA forms the code in such a complicated way that an outside listener will find it nonsense. CDMA restricts jamming and similar kinds of threats, and hence, the military uses the secure communication provided by this accessible technology. 

  • As Code Division Multiple Access allows multiple accesses, several users use the same frequency at the same time. On the other hand, to restrict radio interference, the CDMA phone implements a strong power control system. If the power is too high, it will interrupt each signal. CDMA technology automatically adjusts the power level to offer calls without any interruptions.


What are the Disadvantages of CDMA Technology?

The performance rate of CDMA decreases as the number of users increases. Else, the codes have to be appropriately selected. CDMA also indulges in the self-jamming issue. Besides, if you are using CDMA technology then you may lose the signal when you are far from the tower and gain the signal when you are near. This is ridiculous. In the end, CDMA cannot provide international roaming.

FAQ (Frequently Asked Questions)

1. Why is CDMA Needed?

A. CDMA is required to indulge several users accessing the same transmission channel at the same time. With this widely accepted networking system, users can share information against specific codes. And outside user can never decode the conversation without that code. CDMA is secured.

2. Which one Should you Choose GSM or CDMA?

A. Both GSM and CDMA offer the same services. The quality of the network depends on the carrier. CDMA phones cannot switch carriers but GSM phones can be unlocked and change the carrier. However, GSM phones can make international calls whereas CDMA phones cannot provide this facility.

3. How to Understand if your Phone is CDMA or not?

A. Go to the settings and click ‘about’. After that, if you realize an ESN or MEID category then phone supports Code Division Multiple Access. But if you realize the IMEI category, then you have a GSM (Global System for Mobile communications) phone.