What is WiFi 6 & What are the Benefits of WiFi 6 Standard?

What is WiFi 6?

As mentioned in the introduction, WiFi 6 is the latest standard of WiFi which is bringing a host of speed, security, and connectivity improvements. The current latest WiFi standard which we are using is the 802.11ac which you might have noticed on your router’s or smartphone’s specifications. The new standard which is going to replace 802.11ac in the near future is called the 802.11ax. However, since this nomenclature is very confusing, the WiFi Alliance has released a simple numbering system for WiFi which will make it easier to understand for consumers. Since the latest version of WiFi standard, the 802.11ax, is the sixth instalment, it is dubbed as the WiFi 6. Here are all the WiFi standards released till now in reverse chronological order:

  1. 802.11ax -> WiFi 6 (scheduled release in 2019)
  2. 802.11ac -> WiFi 5 (released in 2013)
  3. 802.11n -> WiFi 4 (released in 2009)
  4. 802.11g -> WiFi 3 (released in 2003)
  5. 802.11a -> WiFi 2 (released in 1999)
  6. 802.11b -> WiFi 1 (released in 1999)

Note: WiFi 1, WiFi 2, and WiFi 3 names are not officially recognised. We are just using it as it makes sense.

1. WiFi Symbols

As you can see, the older names although technically more revealing were not consumer friendly. However, now by just taking one look at the new names, a consumer will be able to understand if he or she is getting the latest standard of WiFi or not. WiFi Alliance has also introduced new WiFi logos which will make it easier for people to see which WiFi standard they are connected to. The symbols are pretty self-explanatory as they show a number embedded in the WiFi icon, as shown in the picture above.

In conclusion, WiFi 6 is the latest WiFi standard which is slated to be released in 2019. Now, that we know what actually WiFi 6 is, let’s take a look at all the improvements that it’s bringing to the table.

What are the Benefits of WiFi 6 Standard?

The new WiFi 6 standard is bringing a ton of new enhancements. Not only will the standard enable faster connections, but it will also make them more secure and reliable. Here are all the improvements that you are going to get with it:

 

 

1. Speed Improvements

WiFi 6 is bringing significant speed improvements. While it’s not as big as the one we saw when we moved from WiFi 4 to WiFi 5, it’s still quite a lot. In the perfect WiFi connectivity situations, users can see a theoretical 40% increase in connectivity speeds. The new standard achieves that by improving data encoding resulting in higher throughput. Basically, WiFi 6 devices will be able to pack more data in the same spectrum space. This is made possible by the new chips which are much more powerful and capable than their previous counterparts.

Speed Improvements 1 - What is WiFi 6 & What are the Benefits of WiFi 6 Standard?

That said, speed is just a small part of improvements which are coming with the new WiFi standard and probably the least important one. The main focus of 802.11ax or WiFi 6 is not to make the connectivity faster, instead, it is to make it more efficient. As you will see in the next sections, WiFi 6 will make our lives so much better and more secure.

2. Spectrum Usage Improvements

The new WiFi 6 standard will operate in both 2.4 GHz and 5 GHz channels. This means that you will have the advantage of not only having long-range connectivity but also higher data throughput. Some tech companies like Apple and Facebook are also lobbying for releasing the 6 GHz bandwidth for WiFi usage. If that happens, it will release never before used channels resulting in lesser congestion and hence better connectivity.

Spectrum Usage Improvements 1 - What is WiFi 6 & What are the Benefits of WiFi 6 Standard?

By the way, if you did not understand any of that, don’t worry, we have an article covering everything that you need to know about 2.4 GHz and 5 GHz bandwidths and how they are used. If you want to learn more about it, you can click on the link to read the article. If you don’t want to go through the whole article, just know that the use of both bandwidths will result in a stable connections and longer range and you will see low connection drops and better speeds.

3. MU-MIMO Improvements

MU-MIMO or “Multi-user Multiple input, Multiple output” is the technology that allows a WiFi access point to connect to multiple devices at once. Before MIMO was a thing, a WiFi access point would connect to one device at a time while other devices have to wait in line for connection. Since the switch actually happens within microseconds, we users don’t notice the switch, that is, till the number of devices is pretty small and there are no other networks causing interference. As soon as you increase the number of client devices for an access point, you will start seeing things like delayed response (Latency) and drop connections.

 

 

MU MIMO Improvements 1 - What is WiFi 6 & What are the Benefits of WiFi 6 Standard?

This improved with the introduction of MU-MIMO connection with WiFi 5 (802.11ac) as it allows multiple devices to connect to a single access point simultaneously. WiFi 6 improves upon this by increasing the number of devices that can simultaneously connect to a source. The WiFi 5 standard supported 4 devices, that too for only downlink. The new WiFi 6 standard will allow 8 devices to simultaneously connect to an access point and it will work for both downlink and uplink connections.

OFDMA Improvements

OFDMA or “Orthogonal Frequency Division Multiple Access” is another technology improvement that will improve efficiency, latency, and throughput. This one is a little hard to explain in simple terms but I will try my best, so stick with me a little bit. Till now, the latest WiFi standard which is the 802.11ac or WiFi 5 uses OFDM technology which uses individual channels to carry data designated for specific client devices. The problem with this approach is that it results in wasted capacity.

OFDMA Improvements 1 1 - What is WiFi 6 & What are the Benefits of WiFi 6 Standard?

For example, let’s say your smartphone is accessing data from your router. While your router has the capacity to deliver higher data throughput, you might just be browsing Twitter. That means despite you not using your data to optimal capacity, the data transfer is using the entire bandwidth, and that results in loss of capacity. With the new OFDMA technology, the data channel is chopped up so that data from different devices can be bundled together to ensure that no bandwidth is wasted.

OFDMA Improvements 2 1 - What is WiFi 6 & What are the Benefits of WiFi 6 Standard?

Since multiple devices are able to send data at the same time, it not only improves efficiency but also results in lower latency. This together with MU-MIMO enhancement improves the connectivity even if there are 30 devices connecting to the same access point at the same time.

 

 

BSS Coloring

BSS Coloring is one of the biggest improvements coming with the new WiFi 6 standard. One of the main problems with current WiFi standard is not the throughput rate rather the amount of interference which causes that rate to drop. At any moment, we are surrounded by multiple access points (routers, security cameras, monitors, and more) and client devices transmitting their signals. Since all of them are using more or less the same bandwidth, they interfere with each other leading to a drop in connectivity.

BSS Coloring 1 - What is WiFi 6 & What are the Benefits of WiFi 6 Standard?

That happens because an access point waits for a data frame to pass before it starts transmitting data, even if that data frame is from another network. Hence, a user will experience latency even when he is using a single client device. What BSS coloring does is that it allows access points to attach an identifier to data frames on its network. Thus, theoretically, it will be able to tell if a data frame is coming from another network and keep on transmitting without stopping the connection. A crude pictorial representation of the same concept is shown in the picture above. While a data frame is passing over our access point (marked red), since it knows that the data frame is not from its network, it keeps on transmitting data (marked blue).

Do note that, for an access point to use BSS coloring effectively, other network signals have to be below a weakness threshold. That means, if you live in an area where other networks’ signal strength is above that threshold, BSS coloring will not work. That said, it’s still a big improvement as it should work in most situations.

Target Wake Time (TWT)

Target Wake Time or “TWT” is an awesome new feature which is great for battery life on our mobile devices. Currently, when multiple devices are connected to the same access point and are waiting for their turn to receive data, they all remain awake which drains battery life (as shown in the picture below). With WiFi 6 standard, the access point will basically be able to tell devices in line the exact time that they will receive the connection so that they can sleep while in line.

Target Wake Time TWT 1 1 - What is WiFi 6 & What are the Benefits of WiFi 6 Standard?

It is kind of like putting appointments on your calendar. Once the appointment is set, your device doesn’t have to anxiously wait for its turn and waste battery life. It can just wake up at the right time and receive data. Theoretically, this should allow a device to use 7x less power on WiFi than they currently do which should result in better battery life.

 

 

Target Wake Time 2 1 - What is WiFi 6 & What are the Benefits of WiFi 6 Standard?

These are all the major changes that are coming with the new WiFi 6 standard. Now, let’s see when we can hope to enjoy these improvements.

When will We See WiFi 6 Certified Devices?

Since WiFi 6 standard is set to be ratified sometime in 2019, we should see WiFi 6 compatible client devices by the end of 2019 and the start of 2020. That said, depending on the user’s upgrade cycle, it might be at least 3-4 years before the industry shifts to the standard. As far as WiFi 6 capable access points (routers) are concerned, some of the early mover companies including Asus (ASUS RT-AX88U – $346) and NetGear (NETGEAR Nighthawk – $399.99) have already launched some products.

NetGear NightHawk

So, if you are ready to upgrade your WiFi router, you can do so right now. But to enjoy the benefits of WiFi 6, you will need to have compatible client devices (smartphones, laptops, etc) and those should start coming out by the end of the year.

SEE ALSO: What is Massive MIMO And How it Paves the Way for 5G Adoption?

Excited for WiFi 6?

As you can see WiFi 6 is bringing a ton of improvements. The biggest beneficiary of these improvements will be crowded areas where either a couple of APs are serving too many client devices or there are just too many APs. Since WiFi 6 both enhances the number of devices an AP can handle at the same time and decreases connectivity drops and latency, it will improve your overall experience whenever you are in a public place like a concert or a mall or an airport.

WiFi 6 is also meant for the new world we are living in. We use tons of smart home devices in our homes. According to professional estimates, a single city home will be having around 50 client devices in the near future. The new WiFi 6 standard will ensure that all those devices are connected, receive data according to their requirement, and don’t get in the way of each other

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16 thoughts on “What is WiFi 6 & What are the Benefits of WiFi 6 Standard?

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    Hey, how’s it going?

    I want to pass along some very important news that everyone needs to hear!

    In December of 2017, Donald Trump made history by recognizing Jerusalem as the capital of Israel. Why is this big news? Because by this the Jewish people of Israel are now able to press forward in bringing about the Third Temple prophesied in the Bible.

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    More importantly, the power that runs the world wants to put a RFID microchip in our body making us total slaves to them. This chip matches perfectly with the Mark of the Beast in the Bible, more specifically in Revelation 13:16-18:

    “He causes all, both small and great, rich and poor, free and slave, to receive a mark on their right hand or on their foreheads, and that no one may buy or sell except one who has the mark or the name of the beast, or the number of his name.

    Here is wisdom. Let him who has understanding calculate the number of the beast, for it is the number of a man: His number is 666.”

    Referring to the last days, this could only be speaking of a cashless society, which we have yet to see, but are heading towards. Otherwise, we could still buy or sell without the mark amongst others if physical money was still currency. This Mark couldn’t be spiritual because the word references two different physical locations. If it was spiritual it would just say in the forehead. RFID microchip implant technology will be the future of a one world cashless society containing digital currency. It will be implanted in the right-hand or the forehead, and we cannot buy or sell without it. Revelation 13:11-18 tells us that a false prophet will arise on the world scene doing miracles before men, deceiving them to receive this Mark. Do not be deceived! We must grow strong in Jesus. AT ALL COSTS, DO NOT TAKE IT!

    “Then a third angel followed them, saying with a loud voice, “If anyone worships the beast and his image, and receives his mark on his forehead or on his hand, he himself shall also drink of the wine of the wrath of God, which is poured out full strength into the cup of His indignation. He shall be tormented with fire and brimstone in the presence of the holy angels and in the presence of the Lamb. And the smoke of their torment ascends forever and ever; and they have no rest day or night, who worship the beast and his image, and whoever receives the mark of his name” (Revelation 14:9-11).

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    “EITHER HUMAN INTELLIGENCE ULTIMATELY OWES ITS ORIGIN TO MINDLESS MATTER OR THERE IS A CREATOR…” – JOHN LENNOX

    We all know God exists. Why? Because without Him, we couldn’t prove anything at all. Do we live our lives as if we cannot know anything? No. So why is God necessary? In order to know anything for certain, you would have to know everything, or have revelation from somebody who does. Who is capable of knowing everything? God. So to know anything, you would have to be God, or know God.

    A worldview without God cannot account for the uniformity and intelligibility of nature. And why is it that we can even reason that God is the best explanation for this if there is no God? We are given reason to know or reject God, but never to know that He does not exist.

    It has been calculated by Roger Penrose that the odds of the initial conditions for the big bang to produce the universe that we see to be a number so big, that we could put a zero on every particle in the universe, and even that would not be enough to use every zero. What are the odds that God created the universe? Odds are no such thing. Who of you would gamble your life on one coin flip?

    Is there evidence that the Bible is the truth? Yes. Did you know that the creation accounts listed in the book of Genesis are not only all correct, but are also in the correct chronological order? That the Bible doesn’t say the Earth was formed in six 24-hour days but rather six long but finite periods of time? That the Bible makes 10 times more creation claims than all major “holy” books combined with no contradictions, while these other books have errors in them? The Bible stood alone by concurring with the big bang saying, “In the beginning God created the heaven and the earth” (Genesis 1:1); and says our universe is expanding, thousands of years before scientists discovered these things. Watch a potential life-changing video on the front page of http://WWW.BIBLEFREEDOM.COM with Astronomer(PhD) Hugh Ross explaining all these facts based on published scientific data. He has authored many books, backed even by atheist scientists.

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