TRUY N THÔNG SỀ Ố
DIGITAL COMMUNICATION
Week 10
1
Reference
•“Digital communications: Fundamentals and
Applications” by Bernard Sklar
•Catharina Logothetis’s Lecture, Uppsala
University
•An Nguyen’s Dissertation
2
L n tr cầ ướ
•Mã hóa kênh (Channel Coding):
–S đan xen (Interleaving)ự
–Mã ghép (Concatenated codes)
–Mã Turbo (Turbo Codes)
•Mã hóa ngu n (Source Coding):ồ
–Ngu n (sources)ồ
–Entropy và Information rate
–Lý thuy t mã hóa ngu n (Thuy t Shannon)ế ồ ế
–Hi u qu c a mã hóa ngu nệ ả ủ ồ
–Mã Shannon-Fano
–Mã Huffman
3
Tu n nàyầ
1. Gi i h n Shannon (Shannon limit)ớ ạ
2. Đ ng b hóa (Synchronize)ồ ộ
3. Kênh fading (Fading channel)
4
Nh c l i:ắ ạ
•Thuy t Shannon (noiseless coding theorem):ế
“Given a channel and a source that generates information
at a rate less than the channel capacity, it is possible to
encode the source output in such a manner that it can
be transmitted through the channel”
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