Relation between Channel InitTime and Coherence Time of Channel

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sumit kumar
sumit kumar 2018-10-9
Hi,
In MATLAB, in almost all the channel models, there is a configurable parameter named InitTime.
Documentation says: Fading process time offset, in seconds.
I want to generate a scenario where I want to see the effect of same channel on the same packet but at different instances of time. Basically I want to see how the channel changes over time for a given coherence time. Let's assume the coherence time is 4 sec.
Now if my packet is P and the channel is C whose InitTime I set as
C.InitTime = 3
then step(C, P) to get the output P3
Now I again set the same channel (with changing any other parameter)
C.InitTime = 10
then step(C, P) to get the output P10
With this can I expect that channel effect on P3 and P10 will be uncorrelated because the offset of 7 sec is more than the channel coherence time of 4 sec.
Can someone comment if I am using the parameter correctly.
Thanks & Regards
Sumit

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