Specifications

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MX3700xxA 25
MX370002A Public Radio System Waveform Pattern
Optional
•
ARIB STD-T61 Frame Conguration
The uplink and downlink frames both generate data in 40-ms cycles
as the basic frame length. The TCH PN9 pseudorandom pattern in
a frame is continuous in each frame.
A Tx burst sends data based on a 40-ms basic frame as a cluster
frame composed of four 40-ms frames (160 ms). One cluster frame
is composed of eight sub-frames when there are 20-ms sub-
frames. The TCH PN9 pseudorandom pattern is continuous within
one frame.
•
ARIB STD-T86 Frame Conguration
One frame consists of 6 slots and the data is generated in this
frame cycle. The TCH PN9 pseudorandom pattern in a slot is
continuous in all slots.
■
Frame Configuration
•
RCR STD-39, ARIB STD-T79 Frame Conguration
The uplink frame (TDMA) and downlink frame (TDM) both generate
data in 4 slots length frame cycles (40 ms) defined as a basic frame
length. The PN9 pseudorandom pattern of the traffic channel (TCH)
in a slot is independent per slot and has continuity.
■
Signal Formats in Each System
♦
RCR STD-39, Slot format
The uplink/downlink signal formats are as follows:
•
Uplink
R : Guard time for burst transient response 00
H
(6 bits)
P : Preamble 2
H
(2 bits)
TCH : Traffic channel Continuous PN9
SW : Sync word 87A4B
H
(Slot 0),
9D236
H
(Slot 1),
81D75
H
(Slot 2),
A94EA
H
(Slot 3) (20 bits)
CI : Control channel communication information 3
H
(2 bits)
CC : Color code (Counter interference code) 00
H
(6 bits)
SACCH : Slow ACCH 00000
H
(20 bits)
B/I : Busy/Idle bit FF
H
(8 bits)
R : Guard time for burst transient response 00
H
(6 bit)
P : Preamble 2
H
(2 bit)
TCH : Traffic channel Continuous PN9
SW : Sync word 785B4
H
(Slot 0) (20 bits)
I : Idle bit (all "0") 0
H
(2 bits)
CC : Color code (Counter interference code) 00
H
(6 bits)
SACCH : Slow ACCH 00000
H
(20 bits)
G : Guard time 00
H
(8 bits)
•
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