Entering in new era of data transmission with EVDO
After entering in mobile era, 3G technology is designed to provide high-speed data transmission just to work with mobile phone networks. The biggest problem here for high speed wireless networks is only the usage of low bandwidth. Due to which range of usable frequencies is quite below the requirements. It is equal to an amount of data transmitted by several radio stations onto the FM dial. However, the new piece of technology, EVDO is modified CDMA technology developed by Qualcomm to overcome these difficulties.
EVDO actually means Evolution-Data Optimized. It is a newest standard for used for telecommunication services, to transmit data using radio signals. That is why it now being use4d is used for wireless Internet access. It’s basically used for TDMA and CDMA techniques for data transfer.
EV-DO is actually considered as a 3G standard of 3rd generations mobile devices. This newer technique can support maximum speed of about 2.4mbps. Along with that, EVDO devices also offer backward compatibility that can also be used to access CDMA 1x network.
EVDO work much differently than regular wireless networks. Instead of creating physical path for receiving and transmitting data in one go, EVDO has adopted to breaks data into small packets. It is just then sent each packet separately. This not only saves bandwidth compared with other devices, but also increases the amount of data sent as well as the speed of data transmission.
EVDO has amazingly 2.4 megabits per second data rate. This much faster than regular DSL or broadband connections that are currently available. Qualcomm demonstrated this efficiency of EVDO's in one of a video conference, which was performed through a car at 60 miles per hour (96 km/hour). Moreover, in second demonstration was with a phone call from a bullet train moving at 150 miles per hour (240 km/hour).
Across the world, many countries are now using 3G network services, however, in India; it is yet to open for public network. At present EVDO, is now made available by BSNL (Bharat Sanchar Nigam Limited). Being a public sector company i.e. introducing EVDO to public will not only make easier to sent data across at faster speed but it will also provide high end data transmitting services for mobiles also. At present, BSNL has planned to avail EVDO services in limited cities, but soon most of major cities will have access to EVDO.