Literature Database Entry


E. Soijanin, N. Varnica and P. Whiting, "Punctured vs Rateless Codes for Hybrid ARQ," Proceedings of IEEE Information Theory Workshop (ITW 2006), Punta del Este, Uruguay, March 2006, pp. 155–159.


Two incremental redundancy hybrid ARQ (IR-HARQ) schemes are compared: one is based on LDPC code ensembles with random transmission assignments, the other is based on recently introduced Raptor codes. A number of important issues, such as rate and power control, and error rate performance after each transmission on time varying binary-input, symmetric-output channels are addressed by analyzing performance of LDPC and Raptor codes on parallel channels. The theoretical results obtained for random code ensembles are tested on several practical code examples by simulation. Both theoretical and simulation results show that both LDPC and Raptor codes are suitable for HARQ schemes. Which codes would make a better choice depends mainly on the width of the signal-to-noise operating range of the HARQ scheme, prior knowledge of that range, and other design parameters and constraints dictated by standards.

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E. Soijanin
N. Varnica
P. Whiting

BibTeX reference

    author = {Soijanin, E. and Varnica, N. and Whiting, P.},
    doi = {10.1109/ITW.2006.1633801},
    title = {{Punctured vs Rateless Codes for Hybrid ARQ}},
    pages = {155--159},
    publisher = {IEEE},
    address = {Punta del Este, Uruguay},
    booktitle = {IEEE Information Theory Workshop (ITW 2006)},
    month = {3},
    year = {2006},

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