Publications [#236025] of Robert Calderbank

Journal articles or Book chapters PUBLISHED
  1. Calderbank, AR, Multilevel Codes and Multistage Decoding, IEEE Transactions on Communications, vol. 37 no. 3 (January, 1989), pp. 222-229, Institute of Electrical and Electronics Engineers (IEEE) [doi] .

    Abstract:
    Imai and Hirakawa have proposed a multilevel coding method based on binary block codes that admits a staged decoding procedure. This method has been extended to the design of codes for the Gaussian channel that admit multistage decoding procedures by Ginzburg, by Sayegh, and by Tanner. In this paper, we extend the multilevel coding method to coset codes and we show how to calculate minimum squared distance and path multiplicity in terms of the norms and multiplicities of the different cosets. The multilevel structure allows the redundancy in the coset selection procedure to be allocated efficiently among the different levels. It also allows the use of suboptimal multistage decoding procedures that have performance/complexity advantages over maximum likelihood decoding. © 1989 IEEE

Duke University * Arts & Sciences * Physics * Faculty * Staff * Grad * Researchers * Reload * Login
Copyright (c) 2001-2002 by Duke University Physics.