45 citations · 293 across the 45 of their papers we have counts for
7 papers · 1 filter
Anytime coding on the infinite bandwidth AWGN channel: A sequential semi-orthogonal optimal code
Anant Sahai
It is well known that orthogonal coding can be used to approach the Shannon capacity of the power-constrained AWGN channel without a bandwidth constraint. This correspondence descr…
How to beat the sphere-packing bound with feedback
Anant Sahai
The sphere-packing bound bounds the reliability function for fixed-length block-codes. For symmetric channels, it remains a valid bound even when strictly causal noisel…
Lossless coding for distributed streaming sources
Cheng Chang, Stark Draper, Anant Sahai
Distributed source coding is traditionally viewed in the block coding context -- all the source symbols are known in advance at the encoders. This paper instead considers a streami…
The necessity and sufficiency of anytime capacity for stabilization of a linear system over a noisy communication link, Part II: vector systems
Anant Sahai, Sanjoy Mitter
In part I, we reviewed how Shannon's classical notion of capacity is not sufficient to characterize a noisy communication channel if the channel is intended to be used as part of a…
Source coding and channel requirements for unstable processes
Anant Sahai, Sanjoy Mitter
Our understanding of information in systems has been based on the foundation of memoryless processes. Extensions to stable Markov and auto-regressive processes are classical. Berge…
Why block length and delay behave differently if feedback is present
Anant Sahai
For output-symmetric DMCs at even moderately high rates, fixed-block-length communication systems show no improvements in their error exponents with feedback. In this paper, we stu…