Kasami code

Kasami code is like a secret handshake that lets two devices talk to each other without anyone else listening in. Imagine you're at a party and you want to talk to your best friend without anyone else hearing what you say. So you come up with a secret code word that only you two know. Whenever you say that code word, your friend knows it's really you talking and no one else can understand what you're saying.


Kasami code is like that secret code word, but for devices that use radio waves to talk to each other. Sometimes when devices send signals over radio waves, other devices nearby might pick up and try to listen in, just like someone at the party might try to eavesdrop on your conversation. But if they don't know the secret code, they won't be able to make sense of what they hear.


So, when two devices, like a phone and a Wi-Fi router, want to talk to each other using radio waves, they first agree on a Kasami code. This code is like a secret language that only those two devices can understand. Then, when they send signals to each other, they use that Kasami code to scramble the signals in a way that only the other device with the same code can unscramble and understand.


So, just like your secret code word at the party, Kasami code helps devices talk to each other without anyone else being able to understand what they're saying.