What's LTE (3GPP Long Term Evolution)?

3GPP Long Term Evolution (LTE) is a standard for wireless communication of high-speed data. It is based upon GSM/EDGE and Universal Mobile Telecommunications System/High Speed Packet Access (UMTS/HSPA) network technologies.[1][2] The standard is maintained as a project of the 3rd Generation Partnership Project (3GPP), operating under a name trademarked by one of the associations within the partnership, the European Telecommunications Standards Institute (ETSI).

The goal of LTE is to increase the capacity and speed of wireless data networks utilizing cutting-edge hardware and Digital Signal Processing (DSP) techniques that have recently been developed. Its wireless interface is incompatible with 2G and 3G networks, and so it must be operated on separate wireless spectrum.

Features of LTE include an all-IP flat network architecture, end-to-end QoS including provisions for low-latency communications, peak download rates nearing 300 Mbps and upload rates of 75 Mbps, capacity exceeding 200 active users per cell, the ability to manage fast-moving mobiles, and support for multi-cast and broadcast streams.

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