Umts super basics

1. 1
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UM1911
Lesson 1
UMTS Network Introduction
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2. 2
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3. 3
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4. 4
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5. 5
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6. 6
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7. 7
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8. 8
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9. 9
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10. 10
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11. 11
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12. 12
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13. 13
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14. 14
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15. 15
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16. 16
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17. 17
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Questions

18. 1
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19. 2
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20. 3
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21. 4
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22. 5
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23. 6
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T1
OC – 3

24. 7
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25. 8
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26. 9
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27. 10
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28. 11
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29. 12
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30. 13
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Questions

31. 1
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32. 2
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T1
OC3
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33. 3
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34. 4
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35. 5
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36. 6
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37. 7
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T D U
U C R
F i l t e r
P o w e r
A M P
F i l t e r
P o w e r
A M P
U C R
F i l t e r
P o w e r
A M P
F i l t e r
P o w e r
A M P
T D U
U C R
F i l t e r
P o w e r
A M P
F i l t e r
P o w e r
A M P
5 M H z
5 M H z 5 M H z
5 M H z
5 M H z
5 M H z
S e c t o r 1
A n t e n n a A A n t e n n a B
S e c t o r 2
A n t e n n a A A n t e n n a B
S e c t o r 3
A n t e n n a A A n t e n n a B
C C U / U C U
F o r w a r d T r a f f i c B u s
R e v e r s e T r a f f i c B u s
U R C U R C
U R C
( S p a r e )
I O U
O M
C T U
S y s t e m
T i m i n g
S i g n a l s
G P S I n p u t
S i g n a l
( O p t i o n a l)
C P C
B a c k p l a n e
S u p p l y
R a i l s
P o w e r D i s t r i b u t i o n
B l o c k
+ 2 4 V / - 4 8 V D C S u p p l y
F a c i l it i e s
I n t e r f a c e ( E 1 / T 1 )
I E E E 1 3 9 4 B u s
A R C N E T B u s
M o d u l e
P o w e r
F e e d s
1 2 C a r d s i n a
l o a d s h a r i n g
c o n f i g u r a t i o n
I n t e r - F r a m e
I n t e r f a c e s
I 2 C B u s
i B u t t o n B u s
T D U

38. 8
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39. 9
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40. 10
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41. 11
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42. 12
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43. 13
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44. 14
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45. 15
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46. 16
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47. 17
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48. 18
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49. 19
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50. 20
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51. 21
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52. 22
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53. 23
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54. 24
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55. 25
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56. 26
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57. 27
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58. 28
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59. 29
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60. 30
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61. 31
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62. 32
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63. 33
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64. 34
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65. 35
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66. 36
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Questions

67. 1
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68. 2
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69. 3
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70. 4
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71. 5
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72. 6
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73. 7
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74. 8
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75. 9
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76. 10
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77. 11
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78. 12
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79. 13
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80. 14
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81. 15
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82. 16
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83. 17
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84. 18
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85. 19
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86. 20
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87. 21
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88. 22
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89. 23
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90. 24
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91. 25
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Questions

92. 26
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93. 1
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94. 2
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95. 3
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96. 4
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97. 5
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98. 6
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99. 7
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100. 8
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101. 9
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102. 10
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103. 11
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104. 12
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105. 13
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106. 14
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107. 15
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108. 16
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109. 17
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Questions ?
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110. 18
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111. 1
Additional Information
UMTS Hardware Overview
UM1911
9/9/2005
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UMTS High Level Architecture Overview
Circuit
Switched network
Packet
Switched network
Packet Switched
Domain
Circuit Switched
Domain
CORE
NETWORK
MGW GGSN
SGSNLSS
SDHLR
RNC RNC
Node B Node B Node B Node B
UTRAN
Iur
IubIub
Iu-psIu-cs
OMC-U
OMC-HOMC-CN OMC-PS

112. 2
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UMTS Interface Overview
NodeB Information

113. 3
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UMTS Network Element Function Overview
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Node B – Logical Signal FlowNode B – Logical Signal Flow
NIU/
DSX
IOU URC UCU
64
P2PAM
Avail slots 1 3 12 6 4 p/sector
Using 3.01 1 1 2 or 3* 3 (1 p/sector) 1 p/sector
MCR
1900
DDPLX Filters
3 total
1 p/sector
TTLNA
TTLNA
NIU/DSX panel – Location where telco drops T-1s to local facility
Input/Output Unit (IOU) – Physical termination of T1s.
Universal Radio Controller (URC) – Electrical Termination of up to 8 T1s. Contains the LIU and MC,
Overall control of the NodeB, Line Interface Unit (LIU) – Performs CSU functions, Routing of
information to/fm T1 and UMTS Channel Unit Cards. Master Controller (MC) – Overall control of the BTS,
routes user traffic and OAM signaling to/fm RNC
UMTS Channel Unit 64 (UCU64) – Performs coding and decoding of user traffic. Also used for Overhead channels.
Multi-Carrier Radio (MCR) – 15 Mhz radio used to modulate and demodulate user traffic on/off RF carrier. Performs RX diversity, CLGC, Ant Tests, and EDPD
P2PAM – Power Amplifier used to amplify TX signal to it final power level. 40W max power output, can be lower based on site design.
Dual Diversity Duplex Filters – Provides filtering of the TX and RX signals. Powers TTLNAs.
TX
J8
Rx div0
Rx div1
Rx J6
Rx J26
TX1
RF outRF in
RX1
RX2
PAF1 PAF2
TX
J28

114. 4
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TX carriers F1
RX Div 0
PAF 1
PAF 2
PAF 3
TX carriers F1
RX Div 0
TX carriers F1
RX Div 0
Antenna Configuration
TX carriers
F1 = 5Mhz Carrier
RX Div1
RX Div1
RX Div1
Node B – Antenna ConfigurationNode B – Antenna Configuration
1 2 3
S2D1 S3D0S2D0S1D1S1D0 S3D1
Back of Cabinet
J8 J28J7
J4
J5
J6
J24
J25
J26
J22-CJ2-C
J41
J31J11
J8 J28J7
J4
J5
J6
J24
J25
J26
LNALNA
TTLNATTLNA
RF ONRF ON
J22-CJ2-C
J41
J31J11
J8 J28J7
J4
J5
J6
J24
J25
J26
LNA
TTLNA
RF ON
J22-CJ2-C
J41
J31J11
LNA
TTLNA
RF ON
LNA
TTLNA
RF ON
LNA
TTLNA
RF ON
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MCR RF Connectivity – Dual Duplexers (No TDU)MCR RF Connectivity – Dual Duplexers (No TDU)
Reflected M onitor
Incident M onitor Point
A ntenna A
1:2
Reflected M onitor
Incident M onitor Point
A ntenna B
1:3
1:2
1:3
ED PD
Coupler
DU A L
FIL TE R
PAN E L
(Low Loss)
RF Sw itches
E DPD
Coupler
-40dB
D X 0 E D PD
test coupler
(J11)
D X1 ED PD
test coupler
(J31)
D X0 & DX 1
Incident &
Reflected T est
Coupler(IRTC)
(J41)
J24 J25 J26J8 J28J4 J5 J6
MCR
P2PAM
XMIT 1

115. 5
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TTLNA
TTLNA
Node B – Antenna TestNode B – Antenna Test
NIU/
DSX
IOU URC UCU
64
P2PAM
MCR
1900
DDPLX Filters
3 total
1 p/sector
NIU/
DSX
IOU URC UCU
64
P2PAM
MCR
1900
DDPLX Filters
3 total
1 p/sector
Incident Tone
Reflected Tone
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NIU/
DSX
IOU URC UCU
64
P2PAM
MCR
1900
TTLNA
TTLNA
DDPLX Filters
3 total
1 p/sector
Node B – Closed Loop Gain ControlNode B – Closed Loop Gain Control

116. 6
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NIU/
DSX
IOU URC UCU
64
P2PAM
MCR
1900
TTLNA
TTLNA
DDPLX Filters
3 total
1 p/sector
Node B – Enhanced Digital Pre-DistortionNode B – Enhanced Digital Pre-Distortion
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MCR MCR MCR

117. 7
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Node B – Macro Cabinet LayoutNode B – Macro Cabinet Layout
Outdoor Cabinet
W/ integrated pwr
Indoor or Outdoor Cabinet
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Node B – Micro Cell Cabinet LayoutNode B – Micro Cell Cabinet Layout

118. 8
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URC (3 slots)
Universal Radio Controller
• Controller Card
• Provides Iub Interface
• 2+1 Redundancy
UCU (6 slots)
UMTS Channel Unit
• Baseband Processing
• Pooled CE Resource
• N+K Redundancy
CTU (2 slots)
Common Timing Unit
• 1 Redundant Unit
• Clock Distribution
• Input from OMR/OMQ
CPC (8 slots)
Common Power Converter
• Input VDC to 3/5 VDC
• N+1 Redundancy
OMR & OMQ
Oscillator Module Rubidium
Oscillator Module Quartz
• Primary Rubidium
• Secondary Quartz
• Connection to CTU
I/O Panel
• Iub Connection
• Alarm Connection
• RMT – Remote Maintenance
Terminal
UCR (6 slots)
UMTS CDMA Radio
• Baseband to RF
conversion
UCU (6 slots)
UMTS Channel Unit
• Baseband Processing
• Pooled CE Resource
• N+K Redundancy
Node B – Digital Shelf LayoutNode B – Digital Shelf Layout
9/9/2005
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UMTS Acronyms