Publications [#235895] of Robert Calderbank

Journal articles or Book chapters PUBLISHED
  1. Dusad, S; Diggavi, SN; Calderbank, AR, Embedded rank distance codes for ISI channels, IEEE Transactions on Information Theory, vol. 54 no. 11 (2008), pp. 4866-4886 [doi] .

    Abstract:
    Designs for transmit alphabet constrained space-time codes naturally lead to questions about the design of rank distance codes. Recently, diversity embedded multilevel space-time codes for flat-fading channels have been designed from sets of binary matrices with rank distance guarantees over the binary field by mapping them onto quadrature amplitude modulation (QAM) and phase-shift keying (PSK) constellations. In this paper, we demonstrate that diversity embedded space-time codes for fading intersymbol interference (ISI) channels can be designed with provable rank distance guarantees. As a corollary, we obtain an asymptotic characterization of the fixed transmit alphabet rate-diversity tradeoff for multiple antenna fading ISI channels. The key idea is to construct and analyze properties of binary matrices with a particular structure (Toeplitz structure) induced by ISI channels. © 2008 IEEE.