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This paper proposes an ideal rateless codes model to comprehensively describe rateless codes and extends the definition of systematic linear block code to generalized systematic code. Under the proposed model, average delay, maximum disorder, and uniformity recovery entropy are introduced as performance indices to design efficient rateless codes. A novel coding scheme based on two‐stage encoding and...
This paper analyses the precondition, applicable occasions, advantages and drawbacks of several rateless codes performance indices. And then presents the ideal rateless code model. After that, we introduce several novel indices such as average delay, maximum memory consumption and uniformity recovery entropy according to the proposed model. The simulation results show that the proposed indices and...
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