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What is back-channel? (Read 2449 times)
ywguo
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What is back-channel?
Nov 20th, 2012, 3:23am
 
Hi Guys,

What is back-channel? Please have a look on page 6 in the link.
http://www.ece.tamu.edu/~spalermo/ecen689/lecture8_ee689_rxeq.pdf
Thanks in advance.

Yawei
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raja.cedt
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Re: What is back-channel?
Reply #1 - Nov 20th, 2012, 4:22am
 
hello,
basically you can equalize in Tx side or RX side. When you have Equalizer on TX side to implement adaption we have to see the eye Quality if it is not good then we have get this information from RX to TX through some some channel, this is what i feel back channel. That's why Equalizer at RX doesn't need back channel.

Thanks,
raj.
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