Aloha and Slotted Aloha: Revolutionizing Wireless Connectivity
Wireless communication has revolutionized the way we interact with the world. Aloha and Slotted Aloha are two fundamental protocols that have played a significant role in shaping the development of wireless networks. This guide will provide an in-depth understanding of these protocols, their benefits, and their applications.
Aloha is a random access protocol where stations transmit packets whenever they have data to send. If two or more stations transmit simultaneously, a collision occurs, and the packets are lost.
Slotted Aloha is a modified version of Aloha that divides time into slots. Stations can only transmit at the beginning of a slot, reducing the likelihood of collisions.
Aloha | Slotted Aloha |
---|---|
Random access | Slotted access |
No time slots | Time slots |
Higher collision probability | Lower collision probability |
Choosing between Aloha and Slotted Aloha depends on the specific requirements of the wireless network. Aloha is suitable for situations with low network density and low traffic volume. Slotted Aloha is recommended for networks with moderate network density and higher traffic volume.
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