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Abbrev. for local thermodynamic equilibrium. See thermodynamic equilibrium.
Collins Dictionary of Astronomy © Market House Books Ltd, 2006


(Long Term Evolution) The current dominant cellular transmission technology. Superseding 3G, LTE is a 4G technology that uses the GSM software infrastructure but different hardware interfaces. LTE/4G will coexist with 5G for some time.

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, 3G and 5G.

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 (see LTE Advanced).

LTE Is Based on IP Packets
In 3G and all prior cellular networks, voice was handled by the traditional circuit-switched network, and only data used the packet switched architecture of the Internet. 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). See circuit switching.

Officially 4G
In 2010, the ITU defined LTE, WiMAX and HSPA+ as 4G technologies. Previously, only LTE Advanced (LTE-A) was considered to be 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.

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References in periodicals archive ?
T-Mobile customers have LTE-Advanced across the Un-carrier's entire LTE footprint, and the Galaxy Fold comes equipped with speed boosting LTE-Advanced technologies like 256 QAM and carrier aggregation.
PLDT Inc.'s Smart Communications said it was close to completing the rollout of LTE and LTE-Advanced services across the province of Bulacan.
Verizon and Ericsson have partnered closely to drive the evolution of LTE by using LTE-Advanced features, enhancing capacity and speed on the Verizon 4G LTE network.
Currently, Smart is accelerating the deployment of LTE-Advanced (LTE-A) and carrier aggregation technology to more areas in the Philippines.
"In general, though, the countries with the fastest speeds tend to be the ones that have built LTE-Advanced networks and have a large proportion of LTE-Advanced capable devices," said the study.
(Smart) is accelerating the deployment of LTE-Advanced (LTE-A) and carrier aggregation technology to more areas this year to provide better mobile data experience to customers.
This will be primarily through changes to software, with the minimum number of hardware changes necessary to support 5G, using Fujitsu's existing base station for 3G, LTE, and LTE-Advanced radio access technologies.
The collaborative work of Moe Rahnema (who has served as the lead R&D engineer, design and development engineer, technical trainer and consultant for GTE Labs, Motorola, Hughes Network Systems and LCC International and Marcin Dryjanski (who is the cofounder of Granmetric and currently serves as an external contractor at Huawei Technologies), "From LTE to LTE-Advanced Pro and 5G".
Other topics include the new features under LTE-Advanced Pro, the transition to fifth-generation, the requirements and the technology options, the standardization efforts, and related issues and challenges.
* The evolution of LTE-Advanced Pro technology efficiently utilizes the combination of licensed and unlicensed spectrum to offer better data rates to customers
By enhancing its offering to include LTE-Advanced, Via is accelerating innovation by providing cost-effective, efficient and transparent access to more LTE standard essential patents.