lecture23: Channel Information Capacity

Topics covered

• Digital Communications Channels
• Information Capacity
• Example 1: Binary Symmetric Channel
• Example 2: Binary Erasure Channel
• Example 3: Non-Overlapping Output
• Example 5: $Z$ Channel
• Example 5: $Z$ Channel (small $\alpha$ approximation)
• Symmetric Channels
• Example 1: Binary Symmetric Channel
• Example 2: Binary Erasure Channel
• Example 3: Non-Overlapping Output
• Example 4: Noisy Typewriter
• Example 5: $Z$ Channel
• Example 6
• Example 1: Binary Symmetric Channel
• Example 4: Noisy Typewriter
• Example 6
• Bounds
• Does a $C$ always exist?
• Can we find $C$? %