Finite Channel Interleaving

FEC: Rate 1/2 convolutional code concatenated with Orthogonal (16,5) modulation over a Rayleigh faded channel. Noncoherent demodulation. Overall chip rate 160kchips/sec. Data rate 10kbps.

Bit error rate.

v = 40m/sec, fc = 2.4GHz

fm = 320Hz

Ts = Tc = 0.1msec

Number of information bits N = 16, 64, 256, 1024, 16384.

Dashed line: Ideal interleaving

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