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Reverse channel configurations
IS-95 is supported using RC1 or RC2 which utilizes a single,
selectable channel type:
Reverse Access Control Channel (R–ACH)
Reverse Fundamental Channel (R–FCH)
Reverse Supplemental Channel (R–SCH)
IS-2000 features are supported using RC3 or RC4. The channel
types consist of the following:
Reverse Pilot Channel (R–PICH) (with or without gating)
Reverse Dedicated Control Channel (R–DCCH)
Reverse Common Control Channel (R–CCCH)
Reverse Enhanced Access Channel (R–EACH)
Reverse Fundamental Channel (R-FCH)
Reverse Supplemental Channel (R-SCH)
BNC MUX outputs
Event 1 Delayed even second, PN sync
Data out Long code, pilot, coded RSCH, coded
RDCCH, coded RFCH, coded RCCCH,
coded REACH, Zi, Zq
Data clock out Chip clock, 5 ms, 10 ms, 20 ms , 40 ms,
80 ms
Symbol sync out Even second, long code sync
Mobile set-up
Radio configuration 1 to 4
Trigger advance 1 to 2457599
Trigger edge Rising, falling
Long code state 0 to 3FFF FFFF FFFF FFFF hex
Long code mask 0 to 3FFF FFFF FFFF FFFF hex
Radio configurations 11and 21
Reverse Access Channel (RACH)
Data PN9, PN15, fixed 4 bit pattern, user file
Data rate 4.8 kbps
Frame length 20
Frame offset 0 to 15
Reverse Fundamental Channel (R-FCH)
Data PN9, PN15, fixed 4 bit pattern, user file
Data rate 1.2 kbps, 2.4 kbps, 4.8 kbps, 9.6 kbps for
RC1
1.8 kbps, 3.6 kbps, 7.2 kbps, 14.4 kbps
for RC2
Frame length 20 mSec
Frame offset 0 to 15
Reverse Supplemental Channel 0 (R-SCH)
Turbo coding On/off
Data PN9, PN15, fixed 4 bit pattern, user file
Data rate 1.2 kbps, 2.4 kbps, 4.8 kbps, 9.6 kbps for
RC1
1.8 kbps, 3.6 kbps, 7.2 kbps, 14.4 kbps
for RC2
Frame length 20 mSec
Frame offset 0 to 15
Radio configurations 3 and 4
Reverse Pilot Channel (R-PICH)
Walsh code 0 (non adjustable)
Gating rate Quarter, half, full
PCB data 0 to FFFF hex
Reverse Dedicated Control Channel (R-DCCH)
Walsh code 0 to 15
Data PN9, PN15, fixed 4 bit pattern, user file
Frame length 5 or 20 mSec
Data rate For frame length = 5
9.6 kbps, for RC 3 or 4
For frame length = 20
9.6 kbps for RC 3 and 14.4 kbps for RC4
Frame offset (0 to frame length/1.25) –1
Reverse Fundamental Channel (R-FCH)
Walsh code 0 to 15
Data PN9, PN15, fixed 4 bit pattern, user file
Frame length 5 or 20 mSec
Data rate For frame length = 5
9.6 kbps, for RC 3 or 4
For frame length = 20
1.5, 2.7, 4.8, and 9.6 kbps for RC 3
1.8, 3.6, 7.2, and 14.4 kbps for RC4
Frame offset (0 to frame length/1.25) –1
Reverse Supplemental Channel 0 (R-SCH0)
Walsh code 0 to 7
Data PN9, PN15, fixed 4 bit pattern, user file
Frame length 20, 40 or 80 mSec
Data rate For frame length = 20
1.5, 2.7, 4.8, 9.6,19.22, 38.42,76.82,153.62,
307.2 kbps for RC 3
1.8, 3.6, 7.2, 14.4, 28.82, 57.62, 115.22,
230.4 kbps for RC4
For frame length = 40
1.35, 2.4, 4.8, 9.6,19.22, 38.42,76.82,
153.62 kbps for RC 3
1.8, 3.6, 7.2, 14.42, 28.82, 57.62,
115.22kbps for RC4
For frame length = 80
1.2, 2.4, 4.8, 9.6,19.22, 38.42,76.82,
kbps for RC 3
1.8, 3.6, 7.22, 14.42, 28.82, 57.62kbps
for RC4
Frame offset (0 to frame length/1.25) –1
Reverse Supplemental Channel 1 (R-SCH1)
Walsh code 0 to 7
Data PN9, PN15, Fixed 4 bit pattern, user file
Frame length 20, 40 or 80 mSec
Data rate For frame length = 20
1.5, 2.7, 4.8, 9.6,19.22, 38.42,76.82kbps
for RC 3
1.8, 3.6, 7.2, 14.4, 28.82, 57.62, 115.22
kbps for RC4
For frame length = 40
1.35, 2.4, 4.8, 9.6,19.22, 38.42,76.82,
153.62kbps for RC 3
1.8, 3.6, 7.2, 14.42, 28.82, 57.62, 115.22
kbps for RC4
1. Only one channel is available in RC1and RC2.
2. These data rates are available with turbo encoding.
3. If either REACH or RCCCH is on, then RPICH is the only
other channel that can be on.