---
# System prepended metadata

title: '<center><i class="fa fa-edit"></i>ALOHA Basics: System Model </center>'
tags: [Internship]

---

# <center><i class="fa fa-edit"></i>ALOHA Basics: System Model </center>
###### tags: `Internship`
:::info
**Goal:**
- [x] Learn ALOHA System Model
 
**Resources:**
[ALOHA Random Access Protocol (Tutorials Point)](https://www.youtube.com/watch?v=g32GA0YR26U)
[Lecture PDF](http://web.mit.edu/6.02/www/currentsemester/handouts/L18_slides.pdf)
:::

## System Model
### Single-link Communication Model
Node to Node:
![](https://i.imgur.com/tghEzo7.png)
On the Channel:
![](https://i.imgur.com/7mdP7ri.png)
### Shared Communications Model
![](https://i.imgur.com/vW9GvoJ.png)
**Goal**: 
- Focus on MAC protocols that allow many nodes to share a single channel
- Avoid collisions and ensure good performance