Technology & Computing

What is LTE LAA?

By: Fatima MirUpdated: November 26, 2020


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    June 26, 2022
Licensed-Assisted Access (LAA) is a key milestone on the road to 5G, delivering speeds of above 1 Gbps. LAA is an LTE feature that leverages the free 5 GHz unlicensed band in combination with licensed spectrum to deliver a performance boost for mobile users.

Furthermore, how does LTE LAA work?

The idea behind LAA is to let 5GHz services do the mobile data 'hard work', particularly within indoor spaces where it will be deployed via small cells alongside 3G and LTE. Simply put, it uses carrier aggregation in the downlink to combine LTE in unlicensed spectrum (5GHz) with LTE in the licensed band.

Secondly, what GHz is LTE?

So, FM radio, which transmits just audio, typically broadcasts at between 87.5 to 108.0 MHz, but LTE — which is responsible for far larger data — streams between 700 MHz to 2,100 MHz (i.e., 2.1 GHz).

What is the difference between WiFi and LTE?

LTE technologies provide data transfer speeds of between 100 megabits per second(100Mbps) and one Gigabit per second(1Gbps). The Wi-Fi standard specifies data transfer speeds between 11 Mbps, 54Mbps 600 Mbps and 1Gbps depending on the specification. Newer standard WiFi 6 promises speeds of up-to 10Gbps.

What is 5g LTE?

In short, the G stands for generation, so 5G is the collective term for the fifth generation of mobile network technology. LTE stands for Long-Term Evolution, and it's a 4G technology. The newer 5G is not a replacement for 4G, so you'll find LTE and 5G technology working together for the foreseeable future.


What does CBRS stand for?

Citizens Broadband Radio Service

What are the unlicensed frequency bands?

The US Federal Communications Commission (FCC) has three primary frequency bands designated for unlicensed operation. Unlicensed means the operator of the radios does not need to file directly with the FCC to use the radio. The three frequency bands used for this in the U.S. are the 900 MHz, 2.4 GHz and 5.8 GHz.

What band is CBRS?

Citizens Broadband Radio Service (CBRS) is a 150 MHz wide broadcast band of the 3.5 GHz band (3550 MHz to 3700 MHz) in the United States.

What is spectrum sharing in 5g?

Ericsson Spectrum Sharing allows an existing LTE carrier to operate 5G New Radio (NR) and LTE simultaneously – with a simple software upgrade. The solution is based on innovative intelligent scheduler algorithms that enable optimal performance as the mix of 4G and 5G devices in the network changes over time.

What does carrier aggregation mean?

Carrier aggregation is a technique used in wireless communication to increase the data rate per user, whereby multiple frequency blocks (called component carriers) are assigned to the same user. In addition load balancing is possible with carrier aggregation.

What is spectrum sharing?

What is Spectrum Sharing? Spectrum sharing is a way to optimize the use of the airwaves, or wireless communications channels, by enabling multiple categories of users to safely share the same frequency bands. Spectrum sharing is necessary because growing demand is crowding the airwaves.

Is WiFi unlicensed spectrum?

Answer: Wi-Fi is a particular service that uses unlicensed spectrum, but there are others as well. As the FCC puts it: Wi-Fi uses unlicensed spectrum, open to use by any device that has been certified by the FCC as conforming to its Part 15 rules on transmitted electromagnetic energy.

How does Carrier aggregation work?

Carrier aggregation. Carrier aggregation is a technique used in wireless communication to increase the data rate per user, whereby multiple frequency blocks (called component carriers) are assigned to the same user. The maximum possible data rate per user is increased the more frequency blocks are assigned to a user.

Which element of WiFi network accepts wireless signals and relay information?

Access Point (AP) – The AP is a wireless LAN transceiver or “base station” that can connect one or many wireless devices simultaneously to the Internet. Wi-Fi cards – They accept the wireless signal and relay information.

What is licensed and unlicensed spectrum?

The big difference between licensed and unlicensed bands is that the licensed bands are allowed to be used only by the company that licensed them, whereas the unlicensed bands are used by anyone who wants to use them."

What does unlicensed spectrum mean?

Unlicensed spectrum is small sections of the radio spectrum in which anybody is allowed to transmit, up to a limit in power, without needing to apply for, and usually pay for, a radio operators license. WiFi is a classic example. Unlicensed spectrum such as WiFi can work well as long as everybody observes the rules.

How is 5g dangerous?

Some 5G conspiracy theorists contend that the new network generates radiofrequency radiation that can damage DNA and lead to cancer; cause oxidative damage that can cause premature aging; disrupt cell metabolism; and potentially lead to other diseases through the generation of stress proteins.

Is 4g and LTE the same?

Short for “Long Term Evolution”, 4G LTE is similar to the "S" series of iPhones. While 4G LTE is a major improvement over 3G speeds, it is technically not 4G. However, most cellular carriers now advertise their networks as 4G LTE, because it sounds the same as 4G (or even better).

How long does LTE last?

LTE, which stands for Long Term Evolution, will be around for at least 10 years, so 5G will not make LTE obsolete any time soon.

Who uses LTE network?

Cheat sheet: which 4G LTE bands do AT&T, Verizon, T-Mobile and Sprint use in the USA?
Carrier 4G LTE bands Main frequencies
Verizon Wireless 2, 4 , 5, 13, 46, 48, 66 1900, 1700 f, 700 c
T-Mobile 2, 4, 5, 12, 66, 71 1900, 1700 def, 700 a, 600
Sprint 25, 26, 41 1900 g, 850, 2500
Europe 2, 7, 20 1800, 2600, 800