User Manual
iSiteC BTS3601C CDMA Base Station
System Description
Chapter 3 System Function
3-17
The frame length of paging channel is 20ms. Each frequency of the sector can
support seven paging channels at most.
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Forward Quick Paging Channel (F-QPCH)
This is used to send paging indicator and the system configuration change indicator
to MSs operating in slotted mode, instructing them to receive the paging messages.
Thus the MS battery energy can be saved.
Quick paging channel can be divided into some 80ms timeslots. Each timeslot can be
divided into paging indicator and configuration change indicator. The data rate that
can be supported is 2,400bit/s or 4,800bit/s.
&
Note:
In Figure 3-8, the channel in shadow will be supported in the subsequent version.
For the location and function of the above channels in call procedures, please refer to Section ”3.1 Call
Procedure”.
2)
Reverse physical channel configuration
The configuration of reverse physical channel is shown in Figure 3-9.
Reverse CDMA channel
R-ACH
R-TCH
R-EACH
R-CCCH
R-SCCH
R-FCH
R-TCH
( RC1~2)
(RC3~4)
R-EACH
R-PICH
R-CCCH
R-PICH
R-DCCH
R-PICH
0~7
0~1
R-SCH
R-FCH
0~2
0~1
Subchannel
R-PC
Figure 3-9
Configuration of reverse physical channel
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Reverse Access Channel (R-ACH)
