ZTE Corporation ZXG-BTS2 Manuale Utente
Chapter 3 - Interfaces and Communications
Confidential and Proprietary Information of ZTE CORPORATION 43
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I G U R E
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A P P I N G O F
P T C C H
O N T H E
P
H Y S I C A L
C
H A N N E L
B0~B11=Radio blocks
Idle frames are numbered from 1 to 31 [odd numbers]
PTCCH frames are numbered from 0 to 30 [even numbers]
52-multiframe number n+7:
uplink TAI=14 TAI=15
downlink TA-message 4 TA-message 4
B0
B1
B2
B3
B4
B5
B6
B7
B8
B9
B10
B11 31
30
29
28
B0
B1
B2
24 B3
B4
B5
25 B6
B7
B8 26
B9
B10
B11 27
52-multiframe number n+6:
uplink TAI=12 TAI=13
downlink TA-message 4 TA-message 4
B0
B1
B2
20 B3
B4
B5
21 B6
B7
B8
22 B9
B10
B11 23
52-multiframe number n+5:
uplink TAI=10 TAI=11
downlink TA-message 3 TA-message 3
B0
B1
B2
16
B3
B4
B5
17
B6
B7
18
B9
B10
B11 19
52-multiframe number n+4:
uplink TAI=8 TAI=9
downlink TA-message 3 TA-message 3
B8
downlink TA-message 1 TA-message 1
B0
B1
B2
0
B3
B4
B5
1
B6
B7
B8
2
B9
B10
B11
3
52-multiframe number n:
uplink TAI=0 TAI=1
B0
B1
B2
4
B3
B4
B5
5
B6
B7
B8
6
B9
B10
B11
7
52-multiframe number n+1:
uplink TAI=2 TAI=3
downlink TA-message 1 TA-message 1
52-multiframe number n+2:
uplink TAI=4 TAI=5
downlink TA-message 2 TA-message 2
B1
B0
B2
8
B3
B4
B6
9
B5
B7
B8 10
B9
B10
B11 11
B0
B1
B2
12
B3
B4
B5
13
B6
B7
B8
14
B9
B10
B11 15
52-multiframe number n+3:
uplink TAI=6 TAI=7
downlink TA-message 2 TA-message 2
All packet logical channels are mapped on a certain physical channel
(PDCH).