How Do Cell Towers Work? The Science of Cellular Networks

Ever wondered how your phone stays connected to the network no matter where you are? In this video, we break down the fascinating science and technology behind cell towers. From how they communicate with your phone to the intricacies of handoffs and how 5G is changing the game, this video covers everything you need to know about cell towers and cellular networks. If you're curious about the backbone of mobile communication, this is the video for you!

Timestamps:
0:18 – Introduction
0:57 – What Is a Cell Tower?
1:37 – How Cell Towers Are Structured
3:01 – The Role of Cells and Sectors
3:46 – How Do Cell Towers Communicate with Your Phone?
4:33 – Frequency Bands: How They Impact Coverage
5:48 – How 5G and Small Cells Work
7:51 – Challenges in Building and Maintaining Cell Towers
9:09 – The Future of Cell Towers and Cellular Networks

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[patricksimonds]

This overlooked an important part of the system. How does the network know in which cell my phone is located. I can be anywhere in the world and the stem can still route calls an text to me.

[cloakanddagger]

on thing that was overlooked is leaky coaxial cable. In a building the higher floors are above the cell towers and the cell towers point at an angle to the ground. To receive signals above this leaky coaxial cable is run through a high rise building to allow phones at higher heights or phones in underground train subways to work.
Ex mobile phone switching technologist.

[robertfindley]

Nice. But I wish you would have stayed in the RF space and explained that more deeply. Less about 5G and the future.

[jefferysmith]

Not seeing where during handoff from one tower to the next the Mobile Switching Center (MSC) has to also, at the same time, redirect the call/data stream to the new tower the customer is now receiving a signal from.

[puerco]

The top of the giza pyramid is a perfect spot for a 5G tower 😅

[charleskoresko]

What I think you said. From phone #1 through the air to antenna on tower, down the tower to equipment at bottom of tower, through wire or fiber optics underground to utility poles, across the country through the wire or fiber optics on utility poles, to utility pole near destination, down utility pole to underground wire or fiber optic to equipment at bottom of desired tower, up tower to antenna, through air to phone #2.

[EarlG]

The cell tower just stands there, the antennas are another story

[JiveDadson]

Cell technology was invented by the movie star Hedy Lamarr for use by US torpedoes in WWII, to thwart enemy jamming. (That's Hedy, not Hedly.) But the torpedoes were such a mess in other ways that the technology was not used until after the war.

[sithichook]

It's my favorite topic but not clearly at all 🙏

[Richard-gicj]

Good someone about this kind of stuff. Can anyone tell me what. MMC 320. MNC 220. Or 302. 610. I know it’s signal strength But is bigger better. If you know the answer I would greatly appreciate it thank you

[LeonSheeter]

I don't even wanna TALK about "6G" just sounds downright ridiculous... & speaking of ridiculous sounding '6' concepts ... attached to letter 'G's' ... I don't even wanna talk about this one future thing known as "Grand Theft Auto VI" I almost feel as If Rockstar Games will be like ... "Surprise everyone !! just sorta look towards your bottom left field of view right now ... look ... " & there's literally a Circle just floating right there in thin air before your eyes... n' you look up to the right & see a 'fist' icon & an amount of money that looks 'familiar' like "$21.00 USD" like ... "Hmm... that's how much money I have ...wait a minute...." & then there's big white letters showing opening credits in front of you too ...