Channel Capacity
Definitions :: Symmetric Channels :: Closer Look :: Typical Sequences :: Theorem
Channel Capacity Definition and Examples
We are now ready to talk about the fundamental concept of the capacity of a channel. This is a measure of how much information per channel usage we can get through a channel.
The channel capacity has the following properties:
- . (why?)
- . (why?)
- .
- I ( X ; Y ) is continuous function of p ( x ).
- I ( X ; Y ) is a concave function of p ( x ). (It has a maximum)