• Skip to primary navigation
  • Skip to main content
  • Skip to footer
Tech Spirited

Tech Spirited

  • Home
  • About
  • Contact
  • Articles

GSM Vs. CDMA: Which is the Better Technology?

Planning to get yourself a cell phone? Comparing GSM vs. CDMA is very useful as well as interesting from a buyer's perspective.

You are here: Home / IT Jobs / GSM Vs. CDMA: Which is the Better Technology?

Like it? Share it!

  • Share
  • Tweet
  • LinkedIn
  • Email
GSM Vs. CDMA

Planning to get yourself a cell phone? Comparing GSM vs. CDMA is very useful as well as interesting from a buyer’s perspective.

Tv Antenna
Television Aerial
Nokia 6210 Mobile Phone
Nokia 6310 Mobile Phone

GSM is a very straightforward standard, whereas CDMA is somewhat complicated. The key difference between the two is that GSM is a ‘standard’ and CDMA is a ‘technology’, but GSM, over the years has come close to attaining technological status. Earlier, users of both faced some problems like building penetration regarding their signals, due to which, they had to come out in the open to avoid signal disruption and uninterrupted calls. But later on, both these players have made a great deal of advancements, because of which, the penetration problem doesn’t affect the users anymore. However, there do exist some factors which one needs to take into consideration when comparing GSM with CDMA.

What is GSM?

Would you like to write for us? Well, we're looking for good writers who want to spread the word. Get in touch with us and we'll talk...

Let's Work Together!

GSM is a ‘cellular’ technology, that is, the entire coverage area is divided into various hexagonal-shaped cells (hence the popular name ‘cell phones’). Every cell has a corresponding network tower, which serves the mobile phones in that cellular area. For example, imagine a honeycomb on a tree in a hexagonal-shaped garden. The garden has many flowers. The honeybees collect the nectar from the flowers and deposit it in the honeycomb.

Mobile phones are like the flowers, the network tower is like a honeycomb, and the bees are the signals. This technology was invented by the GSM Association, in 1987, which is a global organization committed to develop this technology worldwide.

What is CDMA?

CDMA, which is the prevalent network standard in North America, is designed by Qualcomm in the United States. As the name suggests (Code Division Multiple Access), there are many devices which use the same spread spectrum (hence multiple access). There is one physical channel and a special code for every device in the coverage network. Using this code, the signal of the device is multiplexed, and the same physical channel is used to send the signal (the codes may or may not change).

For example: there is a street on which many buses ply. Obviously, the bus will have many commuters, and they will have to buy the tickets to travel on the bus. In CDMA, the commuter is like your mobile phone, the tickets are your codes, the bus is a multiplexed carrier signal, and the street is the spread spectrum.

Call Quality

This is an area where CDMA scores substantially over GSM. Various factors such as echoes, call dropping, or voice distortion, are almost non-existent in CDMA, whereas in GSM, there is a high probability of errors in the network, which leads to poor quality calling. To give you an analogy, the bus on the street will continue to ply even when it’s full, but if the honeycomb has reached full capacity, then more honey cannot be deposited.
CDMA scores. Goal count 0 – 1

Carriers

A major difference is the fact that GSM cell phones use SIM cards, while CDMA cell phones are directly linked to the carrier. The law requires CDMA carriers to provide handsets to the users, for which the users cannot change their carriers. Whereas, GSM users can change their carriers whenever they want. On the other hand, in case of handsets that are enabled by CDMA, you need to change the complete handset in order to change your service provider.
GSM scores. Goal count 1 – 1

Network

It’s an ongoing battle between the two. Both the technologies are continuously improving the qualities of their network and adding various aspects to it as well. So, coverage is no more an issue, with both the technologies reaching virtually all corners of the world, be it through any channel.
Both score. Goal count 2 – 2

Worldwide

There is a special number that every GSM compatible device in the world can call in case of an emergency. That number is 112. But in CDMA, this cannot be implemented because of its technological limitations. This is a huge plus as far as GSM devices are concerned.
GSM scores. Goal count 3 – 2

Battery Life

Would you like to write for us? Well, we're looking for good writers who want to spread the word. Get in touch with us and we'll talk...

Let's Work Together!

Putting it in simple terms, GSM, being a relatively simpler technology on the whole, uses less amount of cell phone battery as compared to CDMA devices. As we know, battery life is a very important aspect in today’s fast-paced and hectic lifestyle.
GSM scores. Goal count 4 – 2

Coverage

GSM and CDMA both have similar network coverage areas. They are present almost in all places that each other cover. The service providers of both the technologies are continuously striving hard to cover whatever remaining areas are left.
Both score. Goal count 5 – 3

Speed

Both GSM and CDMA are rapidly improving their capabilities in this regard too. Both have introduced 3G mobile phones in their fold in a big way. CDMA has introduced EVDO or CDMA 2000 to cement its position in the market, and GSM has introduced EDGE (Enhanced Data Rates for GSM Evolution) to do the same. Both are competing to gain space in this area.
Both score. Goal count 6 – 4

Building Penetration

Again, during the initial days, both technologies couldn’t find building penetration in the right way. But after research in signaling systems, and through experience, service providers of both technologies have been able to provide decent service to the mobile phones that are being used inside buildings and similar structures.
Both score. Goal count 7 – 5

Roaming

Most of the GSM carriers have contracts with other carriers, because of which, they provide roaming services to their customers with little or no roaming charges. On the other side, very few CDMA carriers provide this facility to their users; and those who do provide it, charge more as compared to their GSM counterparts.
GSM scores. Goal count 8 – 5

The Final Verdict

On the whole, both technologies have their good and bad qualities. GSM has some limitations where call quality is concerned, but its technology can be easily implemented and integrated into existing technology. Whereas, CDMA is little difficult to implement. The only area where CDMA really comes out on top is the calling quality, but over the years, that too has been improving very rapidly as far as GSM is concerned. Around 4 out of every 5 cell phones are running on GSM technology, which by itself is a strong statement in terms of comparison. Lastly, for a user who travels to foreign countries often, GSM clearly offers better coverage.

Mobile communication has had a huge impact on modern-day industry. GSM and CDMA technologies have unleashed mobile communication worldwide, and the bottom line is, technological competition between both has eventually resulted in the improvement of services for the end user.

Old Cell Phone
Sony Ericsson Mobile Phone
Bluetooth Earpiece And Cell Phone
Black Cell Phone

Related Posts

  • RFID Vs. Barcode

    The introduction of RFID and barcode has revolutionized many aspects of our life. Join us as we try to find out whether these technologies will be at loggerheads, or they…

  • GSM Mobile Phone Tracking System

    With GSM mobile phone tracking system, or GSM localization - to put it technically, it is possible to determine the location of a particular mobile phone (and thus its user)…

  • Speech Rate Conversion Technology

    Does the news announcer talk so fast that you have a hard time understanding what he is saying? He probably won't slow down on his own, but a new technology…

« Previous Post
Next Post »

Category iconIT Jobs

Get Updates Right to Your Inbox

Sign up to receive the latest and greatest articles from our site automatically each week (give or take)...right to your inbox.
Blog Updates

Exploring the website?

Our site includes quite a bit of content, so if you're having an issue finding what you're looking for, go on ahead and use that search feature there!

Footer

We hope you are enjoying TechSpirited! We provide informative and helpful articles about the outlook for IT jobs throughout the U.S. Learn more about the career in IT you’ve always wanted, or find new tips to further your technology career.
  • Facebook
  • RSS

Copyright © Tech Spirited & Buzzle.com, Inc. All rights reserved.
6789 Quail Hill Pkwy, Suite 211 Irvine CA 92603

  • Privacy Policy
  • Terms of Use
This website uses cookies to improve your experience. We'll assume you're ok with this, but you can opt-out if you wish. Cookie settingsAccept
Privacy & Cookies Policy

Privacy Overview

This website uses cookies to improve your experience while you navigate through the website. Out of these cookies, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. We also use third-party cookies that help us analyze and understand how you use this website. These cookies will be stored in your browser only with your consent. You also have the option to opt-out of these cookies. But opting out of some of these cookies may have an effect on your browsing experience.
Necessary
Always Enabled

Necessary cookies are absolutely essential for the website to function properly. This category only includes cookies that ensures basic functionalities and security features of the website. These cookies do not store any personal information.

Non-necessary

Any cookies that may not be particularly necessary for the website to function and is used specifically to collect user personal data via analytics, ads, other embedded contents are termed as non-necessary cookies. It is mandatory to procure user consent prior to running these cookies on your website.