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This is the number of PN (Pseudorandom Noise) chips per BCCH (Broadcast Control Channel) bit. The chip bits vary depending on the rate. These are summarized below:
Spreading Rate |
BCCH Chip Bits |
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Rate 1 |
64 x 1 when data rate = 19200bps 64 x 2 when data rate = 9600bps 64 x 4 when data rate = 4800bps |
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Rate 3 |
192 x 1 when data rate = 19200bps 192 x 2 when data rate = 9600bps 192 x 4 when data rate = 4800bps
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