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Processing Based on Information Structure

  • Jianhua Lu
  • Xiaoming Tao
  • Ning Ge
Chapter
Part of the SpringerBriefs in Electrical and Computer Engineering book series (BRIEFSELECTRIC)

Abstract

In order to meet the increasing demand of high data rate communication in wireless networks, it is extremely urgent to find a way for efficient transmission of data in a bandwidth-limited environment. Consequently, highly compressed source coding and efficient channel coding are required to maintain the quality of services. On the other hand, compressed data is often extremely sensitive to errors, especially to burst errors that are commonly encountered in wireless channels. Therefore, reliable data transmission requires protection mechanisms capable of combating errors at an acceptable cost of reduced transmission efficiency. However, conventional data transmission, with bit-based processing, may not achieve this goal due to inevitable bit error propagation. In this chapter, we firstly introduce a structure representation and its processing method. Then, we show how this structure is protected to ensure reliable transmission. Finally, a block-shuffling scheme is incorporated into the proposed system so as to improve the performance of image transmission over wireless networks.

Keywords

Structure representation  Minimum data unit  Structure processing  Block-shuffling  Wireless multimedia communications 

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Copyright information

© The Author(s) 2015

Authors and Affiliations

  • Jianhua Lu
    • 1
  • Xiaoming Tao
    • 1
  • Ning Ge
    • 1
  1. 1.Department of Electronic EngineeringTsinghua UniversityBeijingChina

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