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1xEV-DO Measurements
R&S
®
CMW-KM8xx/-KS8xx
243
User Manual 1173.9511.02 ─ 12
Hadamard (Walsh codes)
after mapping to +1/-1
Code number
Bit reverse (OVSF codes)
decimal
binary
1 1 -1 -1
2
10
1 -1 1 -1
1 -1 -1 1
3
11
1 -1 -1 1
To obtain the Bit reverse representation from the Hadamard representation, the codes
with number 01 and 10 (binary) must be interchanged.
3.2.6.3
Code Channels
The subtype of the physical layer protocol determines which code channels may be
present in the traffic channel of a reverse signal. The figures below show the code
channels defined for physical layer protocol subtype 0/1 and subtypes 2 and 3.
Fig. 3-4: Subtype 0/1, code channels of reverse link traffic channel
General Description
深圳德标仪器
135-1095-0799