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Differences Between 2g, 3g, 4g, Hspa, Lte, Evdo, Gprs & Edge by slim75d(m): 8:52pm On Dec 27, 2016 |
You should know that each successor to the mobile
network technology has one numeric number followed
by the alphabet ‘G’. This is of the form ‘ vG’. So, 2G
means 2nd generation, 3G means 3rd generation, 4G
means 4th generation and so on. Each generation is
more advanced than the previous standard. Which is
obvious, isn’t it?
Currently, 4G is the latest standard but many big
organizations have already started their work on the
upcoming 5G wireless technology.
GSM Network vs. CDMA Network
GSM and CDMA (Code Division Multiple Access) are
the two most popular radio standards used in the
mobile world. Both technologies offer similar features
but CDMA is more popular in the U.S. than the rest
of the world. Most of the European and Asian
countries use GSM networks. Some people might tell
you that CDMA is better than the GSM or vice-versa
but it is not true. |
Re: Differences Between 2g, 3g, 4g, Hspa, Lte, Evdo, Gprs & Edge by slim75d(m): 8:55pm On Dec 27, 2016 |
U.S. operators moved to the CDMA technology when
GSM technology was in a nascent stage but now that
GSM technology has caught up with CDMA, the U.S.
operators don’t feel the need to shift to GSM
technologies. Most of the telecom companies in the
rest of the world utilize the GSM technology for
rolling out their networks, and they also don’t feel the
need to migrate to CDMA technology.
So, when you go out in the market for buying a new
phone, you will see that the available GSM phone
models are much more in number than the CDMA
models. You know the reason behind this.
Now, let’s discuss each generation of network in
detail along with its associated network standards:
1. 2G – 2G is the first digital mobile network
technology. 1G was analog technology and was
very inefficient. 2G brought support for SMS and
mobile internet. GSM (Global System for Mobile
communication) uses GPRS (General Packet Radio
Service) and EDGE (Enhanced Data rates for GSM
Evolution) technology for internet access, while
the CDMA technology uses RTT (Radio
Transmission Technology) for providing 2G
internet access.
2. 3G – It is the first mobile network technology to
provide access to high-speed broadband like
internet. Live video streaming, video chatting was
first made possible by the 3G network
technologies. GSM networks use WCDMA
(Wideband Code Division Multiple Access) or UMTS
(Universal Mobile Telecommunications Service),
HSPA (High Speed Packet Access), and HSPA+
technologies for rolling out 3G networks. The
CDMA networks on the other hand, use EvDO
(Evolution-Data Optimized) technology for
deploying 3G networks.
3. 4G – It is the latest generation of mobile wireless
technology and offers the best data speed. It is
made for providing mobile broadband access and
can be used for data intensive applications like
watching high-definition TV on mobile, cloud
computing etc. 4G network is currently deployed
using LTE (Long Term Evolution) and WiMAX
(Worldwide Interoperability for Microwave Access)
technologies. As per the ITU-R (International
Telecommunication Union-Radio Communication
Sector), any network having a peak download rate
of 100 Mbps for high mobility and up to 1 Gbps for
stationary wireless access will be termed as a 4G
network. LTE, LTE-A (LTE Advanced), WiMAX Rel
1, and WiMAX Rel 2 are some of the popular 4G
network standards. 4G networks are based on
neither GSM nor CDMA technology, but are
instead based on OFDMA, SC-FDMA That’s why the
basic 4G networks can’t make voice calls and a
new standard called VoLTEis being deployed to
make that possible. |
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