How Do Cell Phones Utilize Channels, Frequencies, and Grid Systems?

[p.ella]

Hello,
I need help understanding how exactly cell phones work, like the channels, frequencies, and grid system. I researched a lot but still don't get it, could some one please dumb it down for me :$ I need help ASAP b/c I have an assignment due tmrw. Thankyou so much. Basically, just talk about carriers, channels, grid system, frequencies and stuff. any help is appreciated! (8

Homework Equations

The Attempt at a Solution

 

[DaveC426913]

The Attempt at a Solution

Tell us what you've learned so far.

 

[p.ella]

I know that the carrier divides the city into cells and a channel is a range of frequencies. Frequencies are cycles per second, but what's that got to do with it? And what's the deal with one and two way communication?

 

[MisterX]

I know that the carrier divides the city into cells and a channel is a range of frequencies. Frequencies are cycles per second, but what's that got to do with it?

You might want to look up "modulation". Communications systems using the electromagnetic spectrum near each other and at the same time may be made to use different frequencies so as to not interfere with each other. Typical mobile phone networks encode a digital signal using some range of frequencies.

And what's the deal with one and two way communication?

Today's digital phones use something called "channel access methods".

 

[DeeNos]

Cell phones work by using radio waves to communicate with cell towers, which then connect to a network of other towers to allow for calls, texts, and data to be transmitted. These radio waves are transmitted and received through the use of different channels, frequencies, and grid systems.

Carriers are companies that provide cell phone service, such as Verizon, AT&T, or T-Mobile. These carriers have their own networks of cell towers and use different frequencies and channels to transmit signals.

Channels refer to the specific frequencies used for communication. Each carrier has a set number of channels that they use for their network. These channels are like lanes on a highway, allowing for multiple conversations or data transmissions to happen simultaneously without interference.

Frequencies refer to the specific radio wave frequency used for communication. Each carrier has a range of frequencies that they use for their network. These frequencies are regulated by the government to prevent interference between carriers.

The grid system refers to the physical layout of cell towers in a specific area. Cell towers are strategically placed in a grid-like pattern to ensure coverage and minimize signal interference. This allows for seamless communication between towers and provides better coverage for cell phone users.

In summary, cell phones use radio waves to communicate with cell towers, which then connect to a network of other towers using specific channels and frequencies. The grid system of cell towers allows for seamless communication and coverage. Each carrier has its own set of channels and frequencies that they use for their network.