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“Dual Capacity Upper Bounds for Binary-input ISI and Constrained BIBO Channels”.

August 16, 2018 @ 3:00 pm - 4:00 pm

Venue & Date: ESB 244/ 16th August 2018 (Thursday) 3:00 pm


Speaker : Ajay M (EE12D030)

Guide: Dr. Andrew Thangaraj

DC Members :

Dr. Srikrishna B (Chairperson)

Dr. Arun Pachai Kannu(M)

Dr. Giridhar K (M)

Dr. Jayalal Sarma M N (CS)



The capacity of noisy channels with memory and finite input has been  difficult to characterize explicitly in many cases. In this work, we  consider two such channels – (1) binary-input Gaussian channels with  Inter-Symbol Interference (ISI), and (2) a general Binary-Input  Binary-Output (BIBO) channel with the runlength constraint of no  repeated 1s at the input. The dual method is used to obtain tight  upper bounds for both channels. For the ISI channel, the bound is  expressed as an optimization problem that is solved  numerically. For the BIBO channel, analytic expressions for upper  bounds are obtained. In both cases, the derived new bounds are shown to improve upon previously known bounds.


All are cordially invited.


August 16, 2018
3:00 pm - 4:00 pm
Event Category:


ESB 244
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