what is 3G?
3G is 3rd Generation mobile phones. It is a new concept in Indian telecom market. There are 2G (2nd Generation) and 1G (1st Generation) mobile handsets are available also in the market. Apart from that, 4G technology stands to be the future standard of wireless devices.
3G is notable for its ability to support faster and larger quantities of data, which enables additional service offerings in the form of games, music and video using voice, video and data (together known as "triple play") and helps to bring\ about broadband on mobiles. Japan was the first country to introduce 3G on a large commercial scale.
There are about 60 3G networks across 25 countries. 3G services are supposed to provide high-speed data rates at a minimum of 144 Kilobits per second in all use scenarios going up to 2 Megabits per second in low mobility and indoor environments. In addition, it has higher capacity and improved spectrum efficiency.
6.2] What is Spectrum?
Radio spectrum refers to a range of radio frequencies. The bandwidth of a radio signal is the difference between the upper and lower frequencies of the signal. For example, in the case of a voice signal having a minimum frequency of 200 hertz (Hz) and a maximum frequency of 3,000 Hz, the bandwidth is 2,800 Hz (3 KHz). The amount of bandwidth needed for 3G services could be as much as 15-20 MHz, whereas for 2G services a bandwidth of 30-200 KHz is used. Hence, for 3G huge bandwidth is required.
3G is 3rd Generation mobile phones. It is a new concept in Indian telecom market. There are 2G (2nd Generation) and 1G (1st Generation) mobile handsets are available also in the market. Apart from that, 4G technology stands to be the future standard of wireless devices.
3G is notable for its ability to support faster and larger quantities of data, which enables additional service offerings in the form of games, music and video using voice, video and data (together known as "triple play") and helps to bring\ about broadband on mobiles. Japan was the first country to introduce 3G on a large commercial scale.
There are about 60 3G networks across 25 countries. 3G services are supposed to provide high-speed data rates at a minimum of 144 Kilobits per second in all use scenarios going up to 2 Megabits per second in low mobility and indoor environments. In addition, it has higher capacity and improved spectrum efficiency.
6.2] What is Spectrum?
Radio spectrum refers to a range of radio frequencies. The bandwidth of a radio signal is the difference between the upper and lower frequencies of the signal. For example, in the case of a voice signal having a minimum frequency of 200 hertz (Hz) and a maximum frequency of 3,000 Hz, the bandwidth is 2,800 Hz (3 KHz). The amount of bandwidth needed for 3G services could be as much as 15-20 MHz, whereas for 2G services a bandwidth of 30-200 KHz is used. Hence, for 3G huge bandwidth is required.