Date: Feb 18, 2013 9:36 AM
Author: Curious
Subject: Re: help needed in matlab coding

"prathik kannan" <> wrote in message <kft8gu$79j$>...
> i am currently working in cognitive radio .the aim of the project is to use vandermonde precoder to achieve zero interference between the primary and secondary user. We consider a cognitive radio scenario where a primary
> and a secondary user wish to communicate with their corresponding
> receivers simultaneously over frequency selective
> channels. Under realistic assumptions that the primary
> user is ignorant of the secondary user?s presence and that the
> secondary transmitter has no side information about the primary?s
> message, we propose a Vandermonde precoder that
> cancels the interference from the secondary user by exploiting
> the redundancy of a cyclic prefix.

So, what is your question?