UMTS Super Basics

Transcript of UMTS Super Basics

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Lucent Technologies – ProprietaryUse pursuant to company instruction

UM1911

Lesson 1

UMTS Network Introduction

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T1OC – 3

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T1

OC3

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T D U

U C R

F i l t e r

P o w e rA M P

F i l t e r

P o w e rA M P

U C R

F i l t e r

P o w e rA M P

F i l t e r

P o w e rA M P

T D U

U C R

F i l t e r

P o w e rA M P

F i l t e r

P o w e rA M P

5 M H z5 M H z 5 M H z

5 M H z

S e c t o r 1A 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 US y s t e mT i m i n gS i g n a l s

G P S I n p u tS i g n a l

( O p t i o n a l )

C P C

B a c k p l a n eS 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 nB l o c k

+ 2 4 V / - 4 8 V D C S u p p l yF a c i l i t i e sI n t e r f a c e ( E 1 / T 1 )

I E E E 1 3 9 4 B u sA R C N E T B u s

M o d u l eP o w e rF e e d s

1 2 C a r d s i n al o a d s h a r i n gc o n f i g u r a t i o n

I n t e r - F r a m eI n t e r f a c e s

I 2 C B u si B u t t o n B u s

T D U

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Additional Information

UMTS Hardware Overview

UM1911

9/9/2005Lucent Technologies - Proprietary

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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

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UMTS Interface Overview

NodeB Information

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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 UCU64

P2PAM

Avail slots 1 3 12 6 4 p/sectorUsing 3.01 1 1 2 or 3* 3 (1 p/sector) 1 p/sector

MCR1900

DDPLX Filters3 total

1 p/sector

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

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TX carriers F1RX Div 0

PAF 1

PAF 2

PAF 3

TX carriers F1RX Div 0

Antenna Configuration

TX carriers F1 = 5Mhz Carrier

RX Div1

Node B – Antenna ConfigurationNode B – Antenna Configuration

1 2 3S2D1 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

LNALNATTLNATTLNARF ONRF ON

J22-CJ2-C

J41

J31J11

J8 J28J7

J4

J5

J6

J24

J25

J26

LNATTLNARF ON

J22-CJ2-C

J41

J31J11

LNATTLNARF ON

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MCR RF Connectivity – Dual Duplexers (No TDU) MCR RF Connectivity – Dual Duplexers (No TDU)

R eflected M o nito r

Inc ident M o nitor Po int

A ntenna A

1:2

R eflected M o nito r

Inc ide nt M o nitor Po int

A ntenna B

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1:2

1 :3

E D P DC o upler

D U A LF IL T E RP A N E L

(L o w L oss)

R F S w itc hes

E D P DC o upler

-40dB

D X 0 E D P Dtest co upler

(J11)

D X 1 E D P Dtest co upler

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D X 0 & D X 1Inc ide nt &

R e flected T estC o upler(IR T C )

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MCR

P2PAM

XMIT 1

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TTLNA

Node B – Antenna TestNode B – Antenna Test

NIU/DSX

IOU URC UCU64

P2PAM

MCR1900

1 p/sector

NIU/DSX

IOU URC UCU64

P2PAM

MCR1900

1 p/sector

Incident Tone

Reflected Tone

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NIU/DSX

IOU URC UCU64

P2PAM

MCR1900

TTLNA

1 p/sector

Node B – Closed Loop Gain ControlNode B – Closed Loop Gain Control

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NIU/DSX

IOU URC UCU64

P2PAM

MCR1900

TTLNA

1 p/sector

Node B – Enhanced Digital Pre-DistortionNode B – Enhanced Digital Pre-Distortion

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MCR MCR MCR

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Node B – Macro Cabinet LayoutNode B – Macro Cabinet Layout

Outdoor CabinetW/ integrated pwrIndoor or Outdoor Cabinet

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Node B – Micro Cell Cabinet LayoutNode B – Micro Cell Cabinet Layout

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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 & OMQOscillator Module RubidiumOscillator 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

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UMTS Acronyms

UMTS Super Basics

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