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Abbrev. for local thermodynamic equilibrium. See thermodynamic equilibrium.


(Long Term Evolution) The latest high-speed cellular transmission network. LTE is a 4G technology that uses the GSM software infrastructure but different hardware interfaces. Download speeds in the U.S. run the gamut from roughly 5 to 85 Mbps. Standardized in 2008, the first LTE smartphones appeared in 2011. See cellular generations, GSM and 3G.

LTE provides global interoperability in more than three dozen frequency bands worldwide. However, no single phone supports all channels (see RF filter). Speed and other enhancements were made to the original LTE standard (for details, see LTE Advanced).

LTE Is Based on IP Packets
In 3G and prior cellular networks, voice was handled by the traditional circuit-switched network, and only data were packet switched. However, LTE's Evolved Packet System (EPS) transmits both voice and data in IP packets. EPS comprises the OFDMA-based E-UTRAN air interface and Evolved Packet Core (EPC).

Officially 4G
In late 2010, the ITU defined LTE, WiMAX and HSPA+ as 4G technologies. Previously, only LTE Advanced (LTE-A) was considered as 4G. See LTE Advanced, LTE architecture, IP Multimedia Subsystem and 3GPP.

OTHER LTE TECHNOLOGIESUnlicensed Spectrum  See  LTE-U.

  Internet of Things   See  LTE-for IoT.

  Higher Speed         See  LTE Advanced.

References in periodicals archive ?
GCT's GDM7243Q, the only LTE-A chip commercially available that offers 4x4 MIMO capability, enables LTE devices with higher data rates and throughput while using limited bandwidth (double speed with the same limited bandwidth), which is a scarce commodity for network operators.
Practically, LTE-A will deliver enhanced user experience with at least doubling of data rates.
Operators who have already deployed LTE in multiple bands such as 1800 and 2600 can use carrier aggregation to boost network speeds with LTE-A.
Worldwide we see the move towards commercial LTE-A deployment by operators like AT&T in the USA, Telstra in Australia, Vodafone in Europe etc.
With the introduction of the world s first Broadband LTE-A smartphone, Samsung continues to redefine its leadership in global mobile market, said JK Shin, CEO and President of IT & Mobile Communications Division at Samsung Electronics.
The Samsung Galaxy S5 Broadband LTE-A is the first commercially available LTE Cat.
The Galaxy S4 LTE-A is expected to be available to customers in Korea this summer.
At the 2012 Mobile World Congress, Huawei held demonstrations for the world s first LTE-A inter-band carrier aggregation (CA) and heterogeneous networks (HetNet), an example of Huawei s position as a pioneer for LTE and LTE-A technological innovation.
Our No-Edge Network concept utilizes various LTE, LTE-A and innovative future-oriented technologies to realize ultra-broadband, zero-waiting and ubiquitous connectivity.
LTE-A is predicted to become the future mainstream of wireless communications following initial rollouts of LTE services throughout the Middle East.
We recognize LTE-A technology as the way forward as Zain looks to underpin future network capacity requirements and enhance our customers' experience.