The third generation aims for the technology of telecommunications of wireless mobile. It is the upgrade for 2.75G and 2.5G GPRS networks for data transfer at a faster rate.
Table of Contents
It generally supports services that provide a transfer rate of information of at least 144 kbits/s.
The technologies for mobile networks for the third generation have added several features. There are many more aside from the typical managing and calling capabilities of the older network of 2G.
Several new terminologies come with it, which seems confusing. In this article, the main focus is on the UMTS and WCDMA technologies.
UMTS vs WCDMA
The main difference between the UMTS and the WCDMA is their technology. UMTS uses cellular technology, whereas WCDMA uses radio technology. In the zone of the 3G network, UMTS is localized in all the networks WCDMA works well and provides advantages of network flexibility to the communication system.
The abbreviation for Universal Mobile Telecommunications Service is UMTS. It offers a consistent service set to computer, phone, and mobile users, no matter in the world they are located.
It is endorsed by major standard manufacturers and bodies and is the planned standard around the world for mobile users.
The WCDMA stands for Wideband Code Division Multiple Access.
It is a third-generation standard that employs the channel access method of DS-CDMA and the FDD method to give high capacity and high-speed service.
Among the UMTS variants, it is one of the commonly used variants.
Comparison Table Between UMTS and WCDMA
|Parameters of Comparison||UMTS||WCDMA|
|Speed||Faster||Runs at the speed of GSM and that is the reason being slower than UMTS.|
|Technology||Cellular technology||Radio technology|
|Communication devices||It cannot be used alone||Mostly used in all phones, but it is combined with GSM or UMTS in some cases.|
What is UMTS?
The UMTS mobile cellular system of the third generation for networks is generally based on the GSM standard.
Maintained and uploaded by the 3GPP, UMTS is one of the components of the standard set as International Telecommunication Union IMT-2000 and compares with the standard set as CDMA 2000.
UMTS uses W-CDMA technology of radio access to offer spectral bandwidth and efficiency to mobile network operators. it specifies a system of the complete network which consists of the core network, user’s authentication via SIM cards, and the radio access network.
The technology mentioned in UMTS is also known as 3GSM or FOMA (Freedom of Mobile Multimedia Access).
Unlike CDMA2000 (IMT Multi-carrier) and EDGE (IMT Single-carrier), UMTS needed stations of new bases and allocations of new frequency. Its networks are often combined with EDGE/GSM.
In 2002, the first national UMTS network for the consumer was launched. It gave heavy emphasis on mobile applications provided by telcos such as video calling and mobile TV.
The high speed of UMTS data is now mostly utilized for Internet access, such as experience in Japan.
What is WCDMA?
WCDMA is a mobile communication system of the 3rd generation that uses CDMA technology over a frequency band that is wide enough to provide efficient voice and high-speed multimedia services.
Its infrastructure is compatible with the system of mobile radio complication of GSM.
Upgrading or installing WCDMA technology-led mobile service providers to give their services of customers wireless broadband and more efficiently upgrade their system.
This system is composed of radio towers, packet data interconnection systems, and mobile devices.
The WCDMA system generally uses radio channels of two types such as TDD or time division duplex and the FDD or frequency division duplex.
They primarily use of FDD radio channel is for wide-area data services and voice channels.
When it comes to TDD channels, they are used for dual-frequency bands providing systems.
Three key parts compose the WCDMA system like UTRAN, UE, UMTS, and a network for core interconnecting.
The core network is mainly divided into packet-switched (primarily data) and circuit-switched (primary voice) parts.
Main Differences Between UMTS and WCDMA
- UMTS is only developed for 3G networks, while 3G networks and 3G+ networks are accessible in WCDMA. Hence, in the zone of the 3G network UMTS is localized in all the networks WCDMA works well and provides advantages of network flexibility to the communication system.
- UMTS has no code division standards and depends on the system’s frequency to communicate between the channels. Meanwhile, code divisions are used in WCDMA to divide the channels through which users can understand all the networks and channels.
- In UMTS, signals are not handled easily and can be in different paths in some cases, which makes communication difficult. On the other hand, any path signals can be handled easily, which explains the efficiency of WCDMA.
- Due to the dependence of UMTS on any of the excess networks for providing supports its phones are generally not available as well as UMTS arena, so the phone supports both WCDMA and GSM.
- UMTS transfers data by using packets, and efficiency cannot be offered in the system in comparison to WCDMA. On the flip side, the system of WCDMA is more efficient, and while transferring data, it does not make issues.
It can be concluded that both UMTS and WCDMA are two of the terminologies that come under the third generation.
The technologies for mobile networks for the third generation have added several features. Aside from the typical managing and calling capabilities, there are many more.
When it comes to communication devices, UMTS cannot be used alone. On the flip side, WCDMA is mostly used in all phones, but it is combined with GSM or UMTS in some cases.
UMTS uses cellular technology, while WCDMA uses radio technology.
In the zone of the 3G network, UMTS is localized in all the networks WCDMA works well and provides advantages of network flexibility to the communication system.
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