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Perfect Shuffle Permutation
This was advised by Harold Stone (1971). Consider N objects each characterized by n bit number say Xn-1, Xn-2, X0 (N is chosen such that N = 2n.) The ideal shuffle of these N objects is expressed as
X n-1, X n-2, X0 = X n-2, X 0 X n-1.
It means perfect shuffle is achieved by rotating the address by 1 bit left. E.g. shuffle of 8 objects is shown below as:-
Consider a simple wireless data link using channel bandwidth of 40 kHz. The transmit power level is 20 dBm, the link attenuation is 40 dB and the SNRdB at the receiver is 20 dB.
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