Subject: [6tisch] Frequency Hoping

From: rahul sen <[email-masked]>
Date: Sun, 12 Jan 2014 04:37:15 +0800 (SGT)

I dont know if it is a right forum to ask this question but let me try anyway.

Is there any advantage of using frequency hopping at MAC layer oppose to frequency hopping spread spectrum technique? or the development of 
Frequency hopping at MAC layer is because use of frequency hopping 
spread spectrum at physical layer would have made alreay available 
802.15.4 radios irrelevant.