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PAPR reduction using SLM

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Marina90

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I tried reducing the PAPR by using SLM. but there is not even a change in PAPR can any one help me?
 

show me your code . may be i can help you
 

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from your code, i can see that there is no difference between original and slm because you don't choose the lowest papr
why don't you see this example
 

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  • slm.zip
    1.5 KB · Views: 126

i wanted to see how much the papr reduce before choosing the minimum one.so you mean only when we choose the lowest the papr will reduce?
 

according to your script, we can say that 'numRun'. as number of symbols
the problem is we run with a lot of symbol, and every symbol must choose the lowest papr, every symbol has their own phase rotation
 

The whole idea of SLM method is to generate a set of alternative data blocks and select the one with the lowest PAPR to transmit. Say, your original data has a PAPR of 12 dB and you multiply your original data with 4 phase sequences which yields 4 set of different data blocks. Let say one of the data blocks has a PAPR of 9 dB which is the minimum among 4 of them. So, the entire process reduce the PAPR from 12 dB to 9 dB.

Hope this helps.
 

thanks both of you.now i clear about it.really appreciate your help:razz:
 

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