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Channel Codes by Shu Lin, William Ryan

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1Coding and Capacity

1.1    Digital Data Communication and Storage

Digital communication systems are ubiquitous in our daily lives. The most obvious examples include cell phones, digital television via satellite or cable, digital radio, wireless internet connections via Wi-Fi and WiMax, and wired internet connection via cable modem. Additional examples include digital data-storage devices, including magnetic (“hard”) disk drives, magnetic tape drives, optical disk drives (e.g., CD, DVD, blu-ray), and flash drives. In the case of data-storage, information is communicated from one point in time to another rather than one point in space to another. Each of these examples, while widely different in implementation details, generally fits into a common ...

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