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- Title Bits, Signals, and Packets: An Introduction to Digital Communications and Networks
- Author(s) Hari Balakrishnan, Christopher Terman, and George Verghese
- Publisher: Massachusetts Institute of Technology (MIT) (2012)
- Hardcover/Paperback: N/A
- eBook PDF files
- Language: English
- ISBN-10/ASIN: N/A
- ISBN-13: N/A
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Book Description
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This book is an introduction to several fundamental ideas in electrical engineering and computer science, using digital communication systems as the vehicle. The three parts of the course - bits, signals, and packets - cover three corresponding layers of abstraction relevant to the system:
- binary representation, compression (source coding), and error correction (channel coding) for messages transmitted across a noisy link;
- signal representation of binary messages for transmission across a shared physical channel subject to distortion and noise;
- efficient, reliable communication across networks made up of multiple links.
Topics investigated in depth include:
- Bits: Information and entropy, Huffman coding and LZW compression, error correction with linear block codes and convolutional codes (Viterbi decoding).
- Signals: Additive Gaussian noise and the relationship between noise variance and bit errors, linear-time invariant channel models, frequency-domain (Fourier) analysis, spectral content of signals and filtering, modulation and demodulation.
- Packets: Media access protocols (TDMA, Aloha, and carrier sense), packet-switched networks, queues, and Little's law, network routing (distance/path vector & link-state protocols), and reliable data transport (adaptive timers, stop-and-wait, sliding windows, round-trip time and bandwidth-delay product concepts).
These topics form the basis of communication systems like the Internet.
About the Author- N/A
- Computer Networks and Communications
- Wireless Communications and Mobile Computing
- Radio and Radio Frequency Identification (RFID)
- Networking and Communications
- Electronic and Computer Engineering

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