| 4G refers to the fourth generation of cellular | | | | client functioning and 1 Gbit/s while client and |
| wireless and is a successor to 3G and 2G | | | | station are in static. |
| standards. By using 4G technology you could | | | | * A data rate of at least 100 Mbit/s between any |
| download an entire movie in about a minute. A 4G | | | | two points in the world. |
| system may upgrade existing communication | | | | * Smooth handoff across heterogeneous |
| networks and is expected to provide a | | | | networks. |
| comprehensive and secure IP based solution | | | | * Seamless connectivity and global roaming across |
| where facilities such as voice, data and streamed | | | | multiple networks. |
| multimedia will be provided to users on an | | | | * High quality of service for next generation |
| "Anytime, Anywhere" basis and at much higher | | | | multimedia support (real time audio, high speed |
| data rates compared to previous generations. This | | | | data, HDTV video content, mobile TV, etc). |
| 4G systems, the next generation of their old 3G | | | | * Interoperability with existing wireless standards, |
| systems which has 384 Kbps downloads and 129 | | | | and |
| Kbps uploads, could receive data at 100Mbps on | | | | * An all IP, packet switched network. |
| the move and at up to a gigabit per second while | | | | Windows 7 price in Indian market |
| static. 4G is being developed to accommodate the | | | | 4G features |
| QoS and rate requirements set by forthcoming | | | | According to the members of the 4G working |
| applications like wireless broadband access, MMS, | | | | group, the infrastructure and the terminals of 4G |
| video chat, mobile TV, HDTV content, minimal | | | | will have almost all the standards from 2G to 4G |
| services like voice and data, and other services | | | | implemented. Although legacys systems are in |
| that utilize bandwidth. | | | | place to adopt existing users, the infrastructure |
| Mobile TV - TV in your Hand | | | | for 4G will be only packet-based (all-IP). Some |
| Objectives of 4G | | | | proposals suggest having an open Internet |
| * A spectrally efficient system. | | | | platform. Technologies considered to be early 4G |
| * High network capacity: more simultaneous users | | | | include: Flash-OFDM, the 802.16e mobile version of |
| per cell, | | | | Wi-Max, and HC-SDMA. |
| * A nominal data rate of 100 Mbit/s while the | | | | |