Handpone
Technology development and application of tools, machinery, materials and processes that help people complete the problem. As a human activity, technology, began before the science and techniques.
The word often describes the invention of technology and equipment that use the principles and the process of scientific discovery of the new found. However, the discovery of a very long time as the wheels can be called technology.
Definition of technology in economic development is seen from the status of our current knowledge in how to combine resources to produce the desired product and our knowledge about what can be produced).
The technology is developing at this time:
computer and handpone. all of which are developing quickly along with the changes of time.
Often called the mobile phone handphone (abbreviated HP) or also referred to as the mobile phone (abbreviated phone) is an electronic telecommunications device that has the same basic capabilities with conventional fixed line telephone, but can be taken to any (portable, mobile) and does not need to connect the phone using a cable network (wireless, wireless). Indonesia currently has two wireless telephone network, the system GSM (Global System for Mobile Telecommunications) system, and CDMA (Code Division Multiple Access).
In addition to working to make and receive phone calls, the phone also has a general function sending and receiving short messages (short message service, SMS). Following the development of digital technology, now the phone is also equipped with a wide range of features, such as catch can broadcast radio and television, software, audio player (mp3) and video, digital camera, games, and internet services (WAP, GPRS, 3G). There is also a mobile phone service providers in some countries that provide third generation (3G) service by adding a videophone, as a means of payment, as well as for online television in their mobile phone. Now, mobile phone into a multifunctional gadget. In addition to these features, the phone now features ditanamkan computer. So the phone, people can change the function of the phone into a mini computer. In the business world, this feature is especially helpful for business to do all the work in one place and make this work is completed in a short time.
Definitions
In general, the ITU-T, as quoted by the FCC defines as a 3G wireless solutions that can provide access speed:
Of 144 Kbps for fast-moving conditions (mobile).
Of 384 Kbps to running condition (pedestrian).
Of 2 Mbps for in a static condition tempa
3G technology
At this time there are two branches of the development of 3G, which is from the GSM (Global System for Mobile Communication) dipelopori by the 3G Partnership Project and CDMA (Code Division Multiple Access) dipelopori by the 3G Partnership Project 2 (3GPP2). The two technologies are not compatible and indeed compete.
One of the reasons why the 3G services can provide a greater throughput is due to the use of spread spectrum technology that allows data input that would ditransimisikan assigned to the entire frequency spectrum. In addition to getting the band width of a larger, spread spectrum-based services is far more secure than the timeslot and / or frequency slots.
3G network is not an upgrade from 2G; 2G operator affiliated with the 3GPP need to replace many components to be able to provide 3G services. Meanwhile, a 2G operator affiliated with the technology more easily in 3GPP2 upgrade to 3G because the network element is designed for services to the wireless wide band (wireless broadband). 3G services have also been digembar rant, but in reality, many found the failure. Japan and South Korea is an example where 3G services successfully. This is probably caused by factors:
1. Support the government. The Japanese government does not charge in advance (upfront fee) on the use of 3G spectrum licenses up-service operator in Japan (there are three operators: NTT DoCoMo, KDDI and Vodafone). Meanwhile, South Korean government, even though no charge in advance, provide incentives and assistance in the development of wireless wide band (South Korea is a country that uses Cisco Gigabit Switch Router highest in the world) as part of infrastructure development in the strategy.
2. Cultural community. Video call service, which diramal a killer application is not too much used in the two countries. However, services such as music downloads and Internet access very tune. Operators such as NTT DoCoMo (Japan) to provide service Chaku Uta to download music. While in Korea, web presence services such as Cyworld given by SK Tel, very tune. With this service, customers can take photos directly from the handset and the web portal to memuatnya own in Cyworld. This service is then imitated by Flickr with the N73 handset.
3. The variety of content services. DoCoMo SKTel and does not use the WAP service standards as its content. DoCoMo to develop a browser application called imode, while SKTel have Nate and June.
Evolution Towards 3G
Telecom mobile phone network has increased the use of 3G services from 1999 to 2010. Japan is the first country to introduce 3G and the national transition toward 3G in Japan has been achieved in the year 2006. After the Korean pengadopsi become the first 3G network and the transition has been achieved in early 2004, leading the world in the field of telecommunications.
UMTS network operator and in 2005, the evolution of 3G network running for several years due to the limited capacity of the existing 2G network. 2G network was created with the main goal is the voice and data transmission is slow. Due to rapid changes in the current user demand, the need for wireless is not fulfilled them.
"2.5G" (and also 2.75 G) is the technology of data services such as i-mode, the phone berkamera, exchange of a series of high-speed data (or also called High-Speed Circuit-switched data or HSCSD abbreviated) and the general packet radio (or known as General Packet Radio Service, or GPRS) was created to provide some funsi major networks such as 3G, but without a full transition to 3G network. Service-This service was created to introduce the possibility of applying the technology to wireless users and penigkatan demand for 3G services.
Misconception about 3G
There is some understanding that one of the 3G in the general public.
1. 3G services can not be without any coverage of the 3G service operator. Only buy a 3G handset, it does not mean that 3G services can be enjoyed. Handset can automatically switch to a 3G network when you, the customer does not receive 3G coverage. So when someone is being moved and use the video call service, and then forced to move to the 2G network, the video call service will drop out.
2. 3G services are on the 1900 Mhz frequency. ITU-T is defined for the 3G services on the GSM 1900 Mhz frequency band with a width of 60 Mhz. However, in general, based on CDMA2000 technology uses spectrum in the frequency of 800 Mhz, or commonly known as the spectrum PCS (Personal Communication System).
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