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Tuesday, November 2, 2010

LTE (Long Term Evolution)

LTE (Long Term Evolution) is a new name of the service that has a high capacity mobile communication systems (mobile). Is a step towards the 4th generation (4G) radio technology designed to enhance the capacity and speed of the mobile telephone network. Where the previous generation is known as 3G (for "third generation"), marketed as 4G LTE.

According to IMT Advanced (International Mobile Telecommunications Advanced), LTE is not fully complying with the requirements of 4G. Most mobile carriers in the United States and several operators around the world announced plans to convert their networks to LTE began in 2009. The world's first LTE service was opened by TeliaSonera in the two Scandinavian cities of Stockholm and Oslo on December 14, 2009. LTE is a set of enhancements to the Universal Mobile Telecommunications System (UMTS), which was introduced in 3rd Generation Partnership Project (3GPP) Release 8. Many of the 3GPP Release 8 adopted a 4G technology, including all IP network architecture.

Although usually viewed as a cellular phone or Conductor, LTE is also supported by public safety agencies in the United States. 700 MHz radio band as the technology choice for public safety.

LTE provide a level of at least 100 Mbps downlink capacity, and at least 50 Mbps uplink and RAN round-trips of less than 10 ms. LTE supports the carrier bandwidth, from 20 MHz down to 1.4 MHz and supports Frequency Division Duplexing (FDD) and Time Division Duplexing (TDD).

Part of the LTE standard is the System Architecture Evolution, an IP-based network architecture designed to replace the GPRS Core Network and ensure support for mobility between some non-3GPP systems, such as GPRS and WiMAX.

The main advantage to LTE is a high throughput, low latency, plug and play, FDD and TDD in the same platform, increase end-user experience and simple architecture resulting in low operating costs. LTE will also support the cell tower with older networking technologies such as GSM, cdmaOne, W-CDMA (UMTS) and CDMA2000.

* from various credible sources like the Internet and books.
 
 

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