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UWB Rake receiver correlator

Question asked by qammera on Jun 22, 2009
Latest reply on Jun 23, 2009 by dgun

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I have measured channel responses and i want to use the delays of that measured responses as delayfinger values in UWB rake receiver correlator>> rake finger correlator ( present in UWb design guide). when i ll specify the values using Data access component (using discrete file) and try to sweep DF using Parameter sweep. it will give error Parameter N of instance rake finger.Dx is not modifiable.

can anyone sort out my problem please. i m stuck here and i spend almost one month to solve it but all in ruin.

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kkladopoulos Jun 22, 2009 1:18 PM
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Certain parameters of components are not sweepable. For example, the N parameter of the Delay component is not sweepable.
How many points are you trying to sweep over? If not many, then you can just run the individual simulations.
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qammera Jun 23, 2009 12:53 PM
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Many Thanks for your reply. i want to sweep 60 values.
IN Uwb Rake receiver correlator block if i push into hierarchy i have rake finger block and it dont have any delay component in it.

Like If i ll give name x to uwb correlator block and uwb rake finger block x1 then error comes will be
x.x1.d2.N is not modifyable
i dnt know where is D2 and N.
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dgun Jun 23, 2009 1:43 PM
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It is possible to run the simulator from the command line. You can then modify the parameter directly in the netlist and write a script or batch file to run the 60 simulations. Unfortunately, I don't recall the details since it has been many years since I have done this.
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UWB Rake receiver correlator

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