umts overview presentation
TRANSCRIPT
8/10/2019 UMTS Overview Presentation
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UMTS
Overview
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Goals of the Overview
• Understanding of the Aims of UMTS
• Global Vision of the Present Status of the Market
• General System Architecture of UTRAN - FDD
• Basic Characteristics of UTRAN - FDD
• Performance of UTRAN - FDD
Main Goal, Answer to: How UTRAN - FDD
Works?
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UMTS Overview Method (I)
• Duration of the Course: About 12 Hours.
• Material of the Course: One Book and One Presentation Based on
Slides
• The Method: During the Course, Only the Presentation Will Be Used
• The Book: – Covers all the Contents that the Presentation Covers
– Details these Contents in a Deeper Way
– Not Used During the Presentation (for Students’ Knowledge
Enhancement)
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UMTS Overview Method (II)
• The Presentation:
– Based on 15 Main Slides
– These Slides Will Allow the Explanation of the Main Topics (to Achieve
the Goals of the Overview)
– Each Slide Covers Several Issues
– There Is no One to One Correspondence Between the Book and the Slides
of the Presentation
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Contents of the Book
• Chapter 1: UMTS, the Definition of a New Era
• Chapter 2: Architecture Overview
• Chapter 3: CDMA Technique
• Chapter 4: Air Interface
• Chapter 5: Radio Theory• Chapter 6: User Equipment (UE)
• Chapter 7: UMTS Terrestrial Radio Access Network (UTRAN)
• Chapter 8: Core Network
• Chapter 9: Handover (Downlink Case Example)
• Chapter 10: Cell Planing
• Chapter 11: World - Wide Consensus on Additional Spectrum for 3rd
Generation
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Index of the Slides(I)
• S01: Towards 3rd Generation
• S02: UTRAN System Architecture
• S03: Multiplexing Techniques: FDMA, TDMA and W-CDMA
• S04: Spreading & W - CDMA. Bits and Chips
• S05: Spreading & Scrambling in the UTRAN Radio Interface• S06: Spreading & W-CDMA Example
• S07: UTRAN - FDD RF Basic Structure: Dedicated Physical Channels
• S08: Channels in UTRAN - FDD. The Uu Interface
• S09: Radio Theory
• S10: Rake Receiver
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Index of the Slides (II)
• S11: General Aspects of the UE
• S12: UTRAN Nodes
• S13: The Cell Search Issue
• S14: Power Control
• S15: Handover
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AMPS
ANSI
ARIB
CS
CWTS
ETSI
DAMPS
Advanced Mobile Phone System
American National Standard Institute
Association of Radio Industries and Businesses
Circuit Switching
China Wireless Telecommunication Standard
European Telecommunication Standardisation Institute
Digital Advanced Mobile Phone System
GSM
ITU
IMT
NMT
NSS
OHG
PDC
QoS
Global System for Mobile communication
International Telecommunication Union
International Mobile Telephony
Nordic Mobile Telephony system
Network Switching System
Operators Harmonisation Group
Personal Digital Cellular
Quality of Service
PS
RTT
T1
TD-CDMA
TIA
TTA
TTC
UMTS
VBR
WCDMA
3GPP
Packet Switching
Radio Transmission Technology
Standards Committee T1 Telecommunications
Time Division Code Multiple Access
Telecommunications Industry Association
Telecommunications Technology Association
Telecommunications Technology Committee
Universal Mobile Telecom System
Variable Bit Rate
Wideband Code Division Multiple Access
3rd Generation Partnershi Pro ect SO1
Towards 3rd Generation
ITU: IMT 2000
VISION
•Anywhere
•Anytime
•Bandwidth on Demand
•Multimedia
CONCEPT
•Land & Satellite Solutio
•Spectrum Allocation
•CS & PS•VBR & QoS
1-> (1980’s). Analogic: NMT, CASO, TACS
2-> (1990’s). Digital RTT, Voice & Data:
GSM, D-AMPS, PDC, CdmaOne
3-> (2000). Digital. High Rate Tx
ETSI
•2G: GSM
•3G: UMTSARIB
•2G: PDC, CdmaOne
•3G: UMTS, Cdma2000CWTS
•2G: CdmaOne
•3G: Cdma2000
TTA•2G: CdmaOne
•3G: Cdma2000
T1
•2G: GSM 1900
•3G: UMTS
TIA
•2G: CdmaOne
•3G: Cdma2000
ANSI
3 GPP3 GPP2
Cdma2000 UMTS
ITU- OHG
UTRAN FDD
UTRAN TDD
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S02:UTRAN System
Architecture • Chapter 1: UMTS, the Definition of a New Era
• Chapter 2: Architecture Overview
• Chapter 3: CDMA Technique
– 3.4 Soft and Hard Handover
– 3.5 Power Control
• Chapter 4: Air Interface
• Chapter 5: Radio Theory
• Chapter 6: User Equipment (UE)
• Chapter 7: UMTS Terrestrial Radio Access Network (UTRAN)
– 7.3 UTRAN System Architecture
• Chapter 8: Core Network
• Chapter 9: Handover (Downlink Case Example)
• Chapter 10: Cell Planing
• Chapter 11: World - Wide Consensus on Additional Spectrum for 3rd
Generation
8/10/2019 UMTS Overview Presentation
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BSC
BSS
CDMA
CN
CS
DRNC
EDGE
FDD
FDMA
GGSN
HLR
HSCSD
ISDN
Base Station Controller
Base Station Subsystem
Code Division Multiple Access
Core Network
Circuit Switched
Drift Radio Network Controller
Enhanced Data rates over GSM evolution
Frequency Division Duplex
Frequency Division Multiple Access
Gateway GPRS Support Node
Home Location Register
High Speed Circuit Switched Data
Inte rated Services Di ital Network
MS
MSC
NSS
PS
PSTN
RNC
RNS
SGSN
SOHO
TDD
UE
UTRAN
VLR
Mobile Station
Mobile Services Switching Centre
Network Switching Subsystem
Packet Switched
Public Switched Telephone Network
Radio Network Controller
Radio Network System
Serving GPRS Support Node
Soft Handover
Time Division Duplex
User Equipment
UMTS Terrestrial Radio Access Network
Visitor Location Re ister
UTRAN System Architecture
PSTN/ISDN
PDN
GSM BSS (Base Station Subsystem) GSM NSS (Network Switch System)
UTRAN
CN (Core Network)
Iub Iu
Uu
f 1, f’
1
f 1, f’1
f 1, f’1, f 2, f’2
f 1, f’1, f 2, f’2
f 3, f’3, f 4, f’4, f 5,
f’5 •GSM (CS): 9.6 Kbps / 14.4 Kbps
•HSCSD (CS): 57.6 Kbps
•GPRS (PS): 115 Kbps
•EDGE (CS/PS): 384 Kbps
•UMTS (CS/PS): 2 Mbps
EIR
GGSNSGSN
VLR
BSC MSC GMSC
BSC
RNC
RNC
BTS
BTS
Node B
Node B
Node B
•S-RNC
•D-RNC
•C-RNC
•Soft Handover
•Power Control
RNC Roles Main New Issues
Iur
HLR
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S03:Multiplexing Techniques:
FDMA, TDMA and W-CDMA• Chapter 1: UMTS, the Definition of a New Era
• Chapter 2: Architecture Overview
• Chapter 3: CDMA Technique
– 3.2 Access Methods FDMA, TDMA, CDMA, FDD vs.... TDD
• Chapter 4: Air Interface
• Chapter 5: Radio Theory
• Chapter 6: User Equipment (UE)
• Chapter 7: UMTS Terrestrial Radio Access Network (UTRAN)
• Chapter 8: Core Network
• Chapter 9: Handover (Downlink Case Example)
• Chapter 10: Cell Planing• Chapter 11: World - Wide Consensus on Additional Spectrum for 3rd
Generation
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AMPS
CDMA
FDMA
GSM
NMT
PCM
TDMAUMTS
WCDMA
Advanced Mobile Phone System
Code Division Multiple Access
Frequency Division Multiple Access
Global System for Mobile communication
Nordic Mobile Telephony System
Pulse Code Modulation
Time Division Multiple AccessUniversal Mobile Telecomm System
Wideband Code Division Multiple AccessSO3
Multiplexing Techniques: FDMA, TDMA and W-CDMA
t
f
t
f
t
f
c
FDMA
TDMA
CDMA
f
f
f
P(f)
P(f)
P(f)
f
P(f)
P(f)
f
• NMT
•AMPS
•TACS
•GSM
•D-AMPS
•PDC
•CdmaOne
•UMTS
•Cdma2000
t
Despreading
N0
E b
Bn
f c
f c
f c
f c f c f c
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S04: Spreading & W-CDMA.
Bits and Chips • Chapter 1: UMTS, the Definition of a New Era
• Chapter 2: Architecture Overview
• Chapter 3: CDMA Technique
– 3.3 Introduction to Spreading and Modulation
• 3.3.1 Orthogonal Codes
• 3.3.3 Spread Spectrum Goals
• 3.3.4 Code Properties
• Chapter 4: Air Interface
• Chapter 5: Radio Theory
• Chapter 6: User Equipment (UE)
• Chapter 7: UMTS Terrestrial Radio Access Network (UTRAN)• Chapter 8: Core Network
• Chapter 9: Handover (Downlink Case Example)
• Chapter 10: Cell Planing
• Chapter 11: World - Wide Consensus on Additional Spectrum for 3rd
Generation
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z(m)
BitOneInChipsRateBit
RateChipSF
Bn
Bw
CDMA
Cp
Eb
N0
SNRSF
UE
Bandwidth for the narrowband sign
Bandwidth for the Wideband signal
Code Division Multiple Access
Code Property
Bit Energy
Noise Energy
Signal to Noise RatioSpreading Factor
User EquipmentSO4
Spreading & W-CDMA. Bits and Chips
f
f
Py(f)
Px(f)
Code
Generator
Code
Generator
Code
Generator
PS(f)
f
f c
Bn
Bw
1 Chip
1 BitInfo
Signal
Spreading
Code
Signal
Spread
Signal
f
Pz’(f)
y(ny)
x(nx)
cy(m)
cx(m)
PS(f)
f
f
Pz(f)
z(m)
cx(m)
s(nx)
(m)c)y(n(m)c)x(nz(m) yyxx
i(m)
0)(nC1) xcc yx ε)(nC
0)(nC2)
xcc
xcc
yx
yx
)x(nSF)s(n xxx
1SF)1(n
SFnm
xx
xx
20Log(SF)G p
Multiply (1 / -1)
+1
-1+1
-1
+1
-1
1 / 0
0 / 1
XOR (1 / 0) or XOR (0 / 1)
NSF
•CP1: Code Noise Like •CP2: Code Easy to Synchronise •CP3: Low Cross - Correlation
)x(nSF)s(n xxx
xyyx SFSFBit;th-nn ZmnChip;th-m
yyxx SFmn;SFmn
(m)cz(m)i(m) x
(m)c(m)c)y(n(m)c)x(n yxyx2
x
(m)c(m)c)y(n)x(n yxyx
(m)c(m)c)SFy(m)SFx(m yxyx
(m)c(m)c)y(n(m)c)x(n xyyxx
1SF)1(n
SFnm
yxyxx
xx
xx
(m)c(m)c)SFy(m)SFx(m)s(n
1SF)1(n
SFnm
yxy
1SF)1(n
SFnm
x
xx
xx
xx
xx
(m)c(m)c)SFy(m)SFx(m
1SF)1(n
SFnm
yxyxx
xx
xx
(m)c(m)c)SFy(m)x(nSF
1SF)1(n
SFnm
yxxxx
xx
xx
(m)c(m)c))y((n)x(nSF y x SF SF
)(nC))y((n)x(nSF xccxxx yx y x SF SF
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S05: Spreading & Scrambling
in the UTRAN Radio Interface • Chapter 1: UMTS, the Definition of a New Era
• Chapter 2: Architecture Overview
• Chapter 3: CDMA Technique
• Chapter 4: Air Interface
– 4.3 Spreading, Scrambling and Modulation
• Chapter 5: Radio Theory
• Chapter 6: User Equipment (UE)
• Chapter 7: UMTS Terrestrial Radio Access Network (UTRAN)
• Chapter 8: Core Network
• Chapter 9: Handover (Downlink Case Example)
• Chapter 10: Cell Planing• Chapter 11: World - Wide Consensus on Additional Spectrum for 3rd
Generation
S di d S bli i Th UTRAN R di I t f
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CC
CP
SC
SF
UE
Cannelization Code
Code Property
Scrambling Code
Spreading Factor
User Equipment SO5
Spreading and Scrambling in The UTRAN Radio Interface
Info Signal
Channelization Code (CC)
Scrambling Code (SC)
S pr ead Signal
Donwlink
Uplink
•SC12 (BS)
•CC(4, 1) (A)
•CC(8, 3) (B)
•CC(16, 16) (C) A
B
C
A
B
C
A-> SC4, CC(4, 1)
B-> SC1000, CC(8, 2)
C-> SC3500, CC(8, 1) , CC(8, 2)
(15 - 960)Kbps
3,84MChips/s
5MHz
CC(1,1)
CC(2, 2)
CC(2, 1)
CC(4, 1)
CC(4, 2)
CC(4, 3)
CC(4, 4)
CC(8, 1)
CC(8, 2)
CC(8, 3)
CC(8, 4)
CC(8, 5)
CC(8, 6)
CC(8, 7)
CC(8, 8)
(1)
(1,1)
(1,-1)
(1,1,1,1)
(1,1,-1,-1)
(1,-1,1,-1)
(1,-1,-1,1)
(1,1,1,1,1,1,1,1)
(1,1,1,1,-1,-1,-1,-1)
(1,1,-1,-1,1,1,-1,-1)
(1,1,-1,-1,-1,-1,1,1)
(1,-1,1,-1,1,-1,1,-1)
(1,-1,1,-1,-1,1,-1,1)
(1,-1,-1,1,1,-1,-1,1)
(1,-1,-1,1,-1,1,1,-1)
Uplink
Usage
Length
CC SC
User’s PH Users
4-256 38400
Number SF Millions
Donwlink
Usage
Length
CC SC
Users & PH Sectors
4-256 38400
Number SF 512
Family
Spreading
OVSF
Yes
Gold Code
Family
Spreading
OVSF
Yes
Gold Code
No
No
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S06: Spreading & W-CDMA
Example • Chapter 1: UMTS, the Definition of a New Era
• Chapter 2: Architecture Overview
• Chapter 3: CDMA Technique
– 3.3 Introduction to Spreading and Modulation
• Chapter 4: Air Interface
• Chapter 5: Radio Theory
• Chapter 6: User Equipment (UE)
• Chapter 7: UMTS Terrestrial Radio Access Network (UTRAN)
• Chapter 8: Core Network
• Chapter 9: Handover (Downlink Case Example)
•Chapter 10: Cell Planing
• Charter 11: World - Wide Consensus on Additional Spectrum for 3rd
Generation
Spreading & W CDMA Example
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Spreading & W-CDMA Example U1={1, 1}
U3={-1, 1}
U2={1, -1}
U4={-1, -1}
SO6
Info Signals
CC(4, 1)={1, 1, 1, 1}
CC(4, 2)={1, 1, -1, -1}
CC(4, 3)={1, -1, 1, -1}
CC(4, 4)={1, -1, -1, 1}
Channelization Codes
u1(t)
cc(4, 1)(t)
ttt
u2(t)
ttt
u3(t) u4(t)
t
t
-1
+1
-1
+1
-1
+1
-1
+1
-1
+1
-1
+1
-1
+1
-1
+1
cc(4, 2)(t) cc(4, 3)(t) cc(4, 4)(t)
Spreading & W CDMA Example
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Spreading & W-CDMA Example U1={1, 1}
U3={-1, 1}
U2={1, -1}
U4={-1, -1}
SO6
Info Signals
CC(4, 1)={1, 1, 1, 1}
CC(4, 2)={1, 1, -1, -1}
CC(4, 3)={1, -1, 1, -1}
CC(4, 4)={1, -1, -1, 1}
Channelization Codes
u1(t)
cc(4, 1)(t)
ttt
u2(t)
ttt
u3(t) u4(t)
t
t
-1
+1
-1
+1
-1
+1
-1
+1
-1
+1
-1
+1
-1
+1
-1
+1
cc(4, 2)(t) cc(4, 3)(t) cc(4, 4)(t)
ttt t
-1
+1
-1
+1
-1
+1
-1
+1
t+1+2+3+4
-4-3
-2-1
z(t)
+1+2+3+4
-4-3
-2-1
t t+1+2+3+4
-4-3
-2-1
s(t)
33
33
T)1T(t
T)T(t
''
3)(4,
' dt)(tcc)z(ts(t)
)](n[uRateBit1
RateChipSF
T33
33
)(nuSF(m)ccz(m))s(n 333
1SF)1(n
SFnm
3)(4,3
33
33
u1(t) cc(4, 1)(t) u2(t) cc(4, 2)(t) u2(t) cc(4, 3)(t) u3(t) cc(4, 4)(t)
Z(t) cc(4, 3)(t)
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S07: UTRAN-FDD RF Basic
Structure: Dedicated Physical
Channels • Chapter 1: UMTS, the Definition of a New Era
• Chapter 2: Architecture Overview
• Chapter 3: CDMA Technique
• Chapter 4: Air Interface
– 4.2 Logical, Physical and Transport Channels
• 4.2.2 Physical Channels
– 4.3 Spreading, Scrambling an Modulation
• Chapter 5: Radio Theory
• Chapter 6: User Equipment (UE)
• Chapter 7: UMTS Terrestrial Radio Access Network (UTRAN)
• Chapter 8: Core Network
• Chapter 9: Handover (Downlink Case Example)
• Chapter 10: Cell Planing
• Chapter 11: World - Wide Consensus on Additional Spectrum for 3rd
Generation
UTRAN FDD RF Basic Structure: Dedicated Physical Channels
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CC
DTX
FBI
L1
SC
SF
SFNTFCI
TPC
Channelization Code
Discontinuous Transmission
Feedback Information
Layer 1 Information
Scrambling Code
Spreading Factor
Super frame NumberTransport Format Combination Indicator
Transmit Power ControlSO7
UTRAN - FDD RF Basic Structure: Dedicated Physical Channels
UPLINK
DATA
PILOT TFCI FBI TPC
1 Frame = 10 ms
0 1 2 3 14..........
1 Time Slot = 2560 Chips
DPDCH
DPCCH
DOWNLINK
TFCI TPC DATA PILOT
1 Frame = 10 ms
0 1 2 3 14..........DPCH
1 Time Slot = 2560 Chips
DATA
SCUE
•L1 Info
•Info Signal (Data)
L1
Info
I
Q
SCBS CCUE
L1
Info
M
U
X
Serial
to
Parallel
Q
P
S
K
Other PCHs
I
Q
Q
P
S
K
Other PCHs
DPDCH+DPCCH
DPDCH’
DTXDPCH
DPCH’
Rate
t
Frame BoundarySlot Boundary
Frames
Node B
CCI
CCQ
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S08: Channels in UTRAN-FDD.
The Uu Interface • Chapter 1: UMTS, the Definition of a New Era
• Chapter 2: Architecture Overview
• Chapter 3: CDMA Technique
• Chapter 4: Air Interface
– 4.2 Logical, Physical and Transport Channels
• Chapter 5: Radio Theory
• Chapter 6: User Equipment (UE)
• Chapter 7: UMTS Terrestrial Radio Access Network (UTRAN)
• Chapter 8: Core Network
• Chapter 9: Handover (Downlink Case Example)
• Chapter 10: Cell Planing
• Chapter 11: World - Wide Consensus on Additional Spectrum for 3rd
Generation
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S09: Radio Theory
• Chapter 1: UMTS, the Definition of a New Era
• Chapter 2: Architecture Overview
• Chapter 3: CDMA Technique
• Chapter 4: Air Interface
– 4.4 Transport Channel Coding and Multiplexing Chain
• Chapter 5: Radio Theory • Chapter 6: User Equipment (UE)
• Chapter 7: UMTS Terrestrial Radio Access Network (UTRAN)
• Chapter 8: Core Network
• Chapter 9: Handover (Downlink Case Example)
• Chapter 10: Cell Planing• Chapter 11: World - Wide Consensus on Additional Spectrum for 3rd
Generation
Radio Theory
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Radio Theory
A/D
C/I
CRC
dB
EbEDGE
No
Analogue to Digital
Carrier over Interference
Cyclic Redundancy Check
decibel
Bit EnergyEnhanced Data rates over GSM Evolution
NoiseSO9
Problems Solutions
I n f o r m a t i o n P r o c e s s i n g C h a i n ( S i m p l i f i e d )
A/D
Conversión
Speech
Coding
Segmentation /
Concatenation
CRC Attachment
Channel Coding
Interleaving (1)
TCH
Multipexing
Interleaving (2)
PH Mapping
RF Tx
D
a
t
a
Other
TCHs
A/D
Conversión
Speech
Coding
Segmentation /
Concatenation
CRC Recovery
Channel Decoding
Desinterleaving (1)
TCH
Demultiplexing
Desinterleaving (2)
Rake Receiver
RF Rx
D
a
t
a
Other
TCHs
•Path Loss
•Shadowing
•Multipath:
•Diversity Techniques:
-Space: Two or More Antennas
-Frequency: Frequency Hopping, Spreading
-Time: Interleaving.
- Multipath & Macro Diversity: Rake
Receiver
•Power Control
-Fast Fading
-Time Dispersion
t
Node B
• Error Detection (CRC) / Correction
•Channel Estimation
•C/I
•E b/N0
T H I S
M U S T
H E A R
T H A T
THIS MUST HEAR THAT
TMHT HUEH ISAA STRT
T H I S
? ? ? ?
H E A R
T H A T
T ? I S
M ? S T
H ? A R
T ? A T
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S010: Rake Receiver
• Chapter 1: UMTS, the Definition of a New Era
• Chapter 2: Architecture Overview
• Chapter 3: CDMA Technique
– 3.3 Introduction to Spreading and Modulation
• 3.3.2 RAKE Receiver
• Chapter 4: Air Interface
• Chapter 5: Radio Theory
• Chapter 6: User Equipment (UE)
• Chapter 7: UMTS Terrestrial Radio Access Network (UTRAN)
• Chapter 8: Core Network
• Chapter 9: Handover (Downlink Case Example)
• Chapter 10: Cell Planing
• Chapter 11: World - Wide Consensus on Additional Spectrum for 3rd
Generation
P (f)P(f)
Rake Receiver P(f)
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P (f)
f f
Rake Receiver
SO10
SCBS
CCx
CCy
x(n)
y(n)
Modulator
QPSK
Modulator
QPSK
SCBS’
CCx’
CCz
Modulator
QPSK
Modulator
QPSK
SCBS
RF Rx
CCx
Matched
Filter
Delay
Equaliser
SCBS CCx
SCBS’ CCx’
t
t
t
3
t
t
t
3
Px(f)
f
Delay
Equaliser
Delay
Equaliser
P(f)
ft
t
t
f
P(f)
f
P(f)
t
t
P(f)
ft
t
3
P(f)
f
t
3
f
Py(f)
x(n)
z(n)
f
f
Px(f)
Pz(f)
P(f)
ft
P(f)
ft
t
t
3
t
3
t
3
t
3
t
3
t
3
P(f)
t
t
3
t
t
3
t
t
f
P(f)
t
t
f
8/10/2019 UMTS Overview Presentation
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S11: General Aspects of the UE
• Chapter 1: UMTS, the Definition of a New Era
• Chapter 2: Architecture Overview
• Chapter 3: CDMA Technique
• Chapter 4: Air Interface
• Chapter 5: Radio Theory
• Chapter 6: User Equipment (UE)• Chapter 7: UMTS Terrestrial Radio Access Network (UTRAN)
• Chapter 8: Core Network
• Chapter 9: Handover (Downlink Case Example)
• Chapter 10: Cell Planing
• Chapter 11: World - Wide Consensus on Additional Spectrum for 3rd
Generation
General Aspects of the UE
8/10/2019 UMTS Overview Presentation
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AMR
API
CM
Codec
CS
FDD
G.
GSM BSS
H.
IMEI
IMSI
IN
Adaptive Multi Rate
Application Programming Interface
Call Management
Coder/Decoder
Circuit Switching
Frequency Division Duplex
ITU Audio Coding Standard Series
GSM Base Station Switching System
ITU Multimedia Terminal Standard Series
International Mobile Equipment Identity
International Mobile Subscriber Identity
Intelligent Network
ITU
LCS
MAC
ME
MM
MPEG-4
MSISDN
MT
NW
PHY
PIN
PS
International Telecommunications Union
Location Services
Medium Access Control
Mobile Equipment
Mobility Management
Motion Picture Expert Group 4
Mobile Station International ISDN Number
Mobile Termination
Network
Physical Layer
Personal Identification Number
Packet Switching
RLC
RRC
SAT
SM
SMS
SS
TDD
TE
UE
UICC
USIM
WAP
Radio Link Control
Radio Resource Control
Subscriber Application Tool kit
Session Management
Short Message Service
Supplementary Services
Time Division Duplex
Terminal Equipment
User Equipment
UMTS Integrated Circuit Card
UMTS Service Identity Mobile
Wireless Application Protocol SO11
General Aspects of the UE
•Subscriber Identity
•Address Book
•SMS
•Rutting Area, Location Area
•Application Memory
•....
CM MM SM
CS Calls PS Session
GSM
Radio
UMTS
Radio
RRCRLCMAC
PHY
Core Network
UTRAN
Logic Application
Service Capability
Open Interface-CN
UE
USIM
ME
MT
TE
• No Standardized UE Classes
- 2 W
- 0,5 W
- 0,25 W
- 0,125W
•UE Has to Tell Network Each Capabilities- Radio Capabilities
- Multimedia Capabilities
- Supported Speech Coders
•Standardized Services:
- Speech (AMR Codec)
- Video Telephony CS
(ITU-T Rec. H.324)
- Video Telephony PS
(ITU-T Rec. H.323 and IETF SIP)
Video
Equipment
Audio
Equipment
User Data
Application
SC User
Interface
H.263MPEG-4
G.723.1AMR
DataProtocols
H.245
Multiplex H.223
To MT
In
TE
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S12: UTRAN Nodes
• Chapter 1: UMTS, the Definition of a New Era
• Chapter 2: Architecture Overview
• Chapter 3: CDMA Technique
• Chapter 4: Air Interface
• Chapter 5: Radio Theory
• Chapter 6: User Equipment (UE)• Chapter 7: UMTS Terrestrial Radio Access Network (UTRAN)
– 7.4 UTRAN Nodes
• Chapter 8: Core Network
• Chapter 9: Handover (Downlink Case Example)
• Chapter 10: Cell Planing
• Chapter 11: World - Wide Consensus on Additional Spectrum for 3rd
Generation
UTRAN Nodes
8/10/2019 UMTS Overview Presentation
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ATM
CC
CNDL
FDD
MAC
NW
Asynchronous Transfer Mode
Channelization Code
Core NetworkDownlink
Frequency Division Duplex
Medium Access Control
Network
O&MQoS
QPSK
RAB
RLC
RNCRRC
Operation and MaintenanceQuality of Service
Quaternary Phase Shift Keying
Radio Access Bearer
Radio Link Controller
Radio Network ControllerRadio Resource Control
RX
SOHO
TDD
TXUE
ULReceiver
Soft Handover
Time Division Duplex
TransmitterUser Equipment
Uplink SO12
Node B
(Performs Tx / Rx In One Or More Sectors)
RNC
(Controls One Or More Node Bs)
ATM
Transport
Network
ControlATM
Synchronisation Power
Tx Signal
Processing
•Radio Network
•Management
ATM
RAB
Management
Signal
Processing
Rx
Iub Iub
Uu
Control
Signal Processing (Layer 1)
Tx / Rx
Radio Network Management
RAB Management
Signal Processing (Layer 2)
•Signalling Toward RNC and O&M•Monitoring the Radio Quality
•Data Insertion in the Information System
•UP:
- CC & SC Generation
- Rake Receiver
- Desinterleaving- Channel Decoding &
Error Correction
- Combining (SOHO)
•DOWN:
- Splitting (SOHO)
- Channel Coding
- Interleaving
- CC & SC Generation
- Spreading
•RF Carrier Generation & Output Power
•QPSK Modulation / Demodulation
•Control all the Radio Resources Within the RNS
•Signalling to CN, UE, Node B and RNCs
•QoS Negotiation and Renegotiation With UE - CN
•Establishment: Assignment and Activation OfChannels in Node B and UE
•Supervision: QoS Monitoring, Handover Decision
•Release: Deactivation of Channels
•Flow Control&Retransmissions
•SOHO Combining & Splitting
•Ciphering & Deciphering
•Error Correction
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S13: The Cell Search Issue
• Chapter 1: UMTS, the Definition of a New Era
• Chapter 2: Architecture Overview
• Chapter 3: CDMA Technique
• Chapter 4: Air Interface
– 4.7 Initial Cell Search
• Chapter 5: Radio Theory• Chapter 6: User Equipment (UE)
• Chapter 7: UMTS Terrestrial Radio Access Network (UTRAN)
• Chapter 8: Core Network
• Chapter 9: Handover (Downlink Case Example)
• Chapter 10: Cell Planing
• Chapter 11: World - Wide Consensus on Additional Spectrum for 3rd
Generation
# 0 # 1 # 2 # 3 # 4 # 5 # 6 # 7 # 8 # 9 # 10 #1 1 # 12 #1 3 # 14The Cell Search Issue
8/10/2019 UMTS Overview Presentation
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1 1 2 8 9 10 15 8 10 16 2 7 15 7 16
1 1 5 16 7 3 14 16 3 10 5 1 2 1 4 1 2 1 0
1 2 1 15 5 5 12 16 6 11 2 1 6 1 1 1 5 1 2
1 2 3 1 8 6 5 2 5 8 4 4 6 3 7
1 2 16 6 6 11 15 5 12 1 1 5 1 2 1 6 1 1 2
1 3 4 7 4 1 5 5 3 6 2 8 7 6 8
1 4 11 3 4 10 9 2 11 2 10 12 12 9 3
1 5 6 6 14 9 10 2 13 9 2 5 14 1 13
1 6 10 10 4 11 7 13 16 11 1 3 6 4 1 1 6
1 6 13 2 14 2 6 5 5 13 10 9 1 14 10
1 7 8 5 7 2 4 3 8 3 2 6 6 4 5
1 7 10 9 16 7 9 15 1 8 16 8 15 2 2
1 8 12 9 9 4 13 16 5 1 13 5 12 4 8
1 8 14 10 14 1 15 15 8 5 11 4 10 5 4
1 9 2 15 15 16 10 7 8 1 10 8 2 16 9
1 9 15 6 16 2 13 14 10 11 7 4 5 12 3
1 10 9 11 15 7 6 4 16 5 2 12 13 3 14
1 11 14 4 13 2 9 10 12 16 8 5 3 15 6
1 12 12 13 14 7 2 8 14 2 1 1 3 1 1 8 1 1
1 12 15 5 4 14 3 16 7 8 6 2 10 11 13
1 15 4 3 7 6 10 13 12 5 14 16 8 2 11
1 16 3 12 11 9 13 5 8 2 14 7 4 10 15
2 2 5 10 16 11 3 10 11 8 5 13 3 13 8
2 2 12 3 15 5 8 3 5 14 12 9 8 9 14
2 3 6 16 12 16 3 13 13 6 7 9 2 12 7
2 3 8 2 9 15 14 3 14 9 5 5 15 8 12
2 4 7 9 5 4 9 11 2 14 5 14 11 16 16
2 4 13 12 12 7 15 10 5 2 15 5 13 7 4
2 5 9 9 3 12 8 14 15 12 14 5 3 2 15
2 5 11 7 2 11 9 4 16 7 16 9 14 14 42 6 2 13 3 3 12 9 7 16 6 9 16 13 12
2 6 9 7 7 16 13 3 12 2 13 12 9 16 6
2 7 12 15 2 12 4 10 13 15 1 3 4 5 5 1 0
2 7 14 16 5 9 2 9 16 11 11 5 7 4 14
2 8 5 12 5 2 14 14 8 15 3 9 12 15 9
2 9 13 4 2 13 8 11 6 4 6 8 15 15 11
2 10 3 2 13 16 8 10 8 13 1 1 1 1 1 6 3 5
2 11 15 3 11 6 14 10 15 10 6 7 7 1 4 3
2 16 4 5 16 14 7 11 4 11 14 9 9 7 5
3 3 4 6 11 12 13 6 12 14 4 5 13 5 14
3 3 6 5 16 9 15 5 9 10 6 4 15 4 10
3 4 5 14 4 6 12 13 5 13 6 1 1 1 1 1 2 1 4
3 4 9 16 10 4 16 15 3 5 10 5 15 6 6
3 4 16 10 5 10 4 9 9 16 15 6 3 5 15
3 5 12 11 14 5 11 13 3 6 14 6 13 4 4
3 6 4 10 6 5 9 15 4 15 5 16 16 9 103 7 8 8 16 11 12 4 15 11 4 7 16 3 15
3 7 16 11 4 15 3 15 11 12 1 2 4 7 8 1 6
3 8 7 15 4 8 15 12 3 16 4 1 6 1 2 1 1 1 1
3 8 15 4 16 4 8 7 7 15 12 11 3 16 12
3 10 10 15 16 5 4 6 16 4 3 15 9 6 9
3 13 11 5 4 12 4 11 6 6 5 3 14 13 12
3 14 7 9 14 10 13 8 7 8 10 4 4 13 9
5 5 8 14 16 13 6 14 13 7 8 15 6 15 7
5 6 11 7 10 8 5 8 7 12 12 10 6 9 11
5 6 13 8 13 5 7 7 6 16 14 15 8 16 15
5 7 9 10 7 11 6 12 9 12 11 8 8 6 10
5 9 6 8 10 9 8 12 5 11 10 11 12 7 7
5 10 10 12 8 11 9 7 8 9 5 12 6 7 6
5 10 12 6 5 12 8 9 7 6 7 8 11 11 9
5 13 15 15 14 8 6 7 16 8 7 1 3 1 4 5 1 6
9 1 0 13 1 0 11 1 5 15 9 1 6 12 14 13 16 14 119 1 1 12 1 5 12 9 1 3 13 1 1 14 10 16 15 14 16
9 1 2 10 1 5 13 1 4 9 1 4 15 1 1 11 13 12 16 10
SO13
The Cell Search Issue 1 Frame = 10 ms
0 1 2 3 14..........
1 Time Slot = 2560 Chips
SCH
0 1 2 3 14..........
0 1 2 3 14..........
256 Chips
S S S S S S
78321 1
•Cell Camp•Cell Selection& Reselection•Handover•.....
Cell Search
•Slot Timing
•Frame Timing - Code Group
•BSSC Acquisition
P-SCH
S-SCH
•Same Word in all the Slots
•Same Word for all BS
•Same Combination of 15 Words in all the Frames
•Each Word of the Combination Can Be One of 16
•UMTS Use Only 64 Different Combinations
• Neighbours BS Should Use Different Combinations
1 2 3 1 8 6 5 2 5 8 4 4 6 3 7
Matched
Filter to S
t
a
Matched
Filter to 1Matched
Filter to 2Matched
Filter to 3Matched
Filter to...
t
a
t
a
t
a
a
t
1 2 3 1 8 6 5 2 5 8 4 4 6 3 7
1 2 3 4
9 10 11 12
17 18 19 20
25 26 27 28
5 6 7 8
13 14 15 16
21 22 23 24
29 30 31 32
505506507508509510511512
64 Groups of 8
Prioritized BSSC t
Time Slot
a
Node B
Node B
Node B
256
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S14: Power Control
• Chapter 1: UMTS, the Definition of a New Era
• Chapter 2: Architecture Overview
• Chapter 3: CDMA Technique
– 3.5 Power Control
• Chapter 4: Air Interface
• Chapter 5: Radio Theory• Chapter 6: User Equipment (UE)
• Chapter 7: UMTS Terrestrial Radio Access Network (UTRAN)
• Chapter 8: Core Network
• Chapter 9: Handover (Downlink Case Example)
• Chapter 10: Cell Planing
• Chapter 11: World - Wide Consensus on Additional Spectrum for 3rd
Generation
Power Control P(f)f
8/10/2019 UMTS Overview Presentation
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BCCHBER
DCCH
FER
TPC
Broadcast Control ChannelBit Error Rate
Dedicated Control Channel
Frame Error Rate
Transmit Power Control SO14
6 Types of Power Control(3x2)
•UL Inner Loop Power Control
•DL Inner Loop Power Control
•UL Outer Loop Power Control
•DL Outer Loop Power Control•UL Open Loop Power Control
•DL Open Loop Power Control.
Fast Power Control,
Power Control Node B
f
P(f)
f
P(f)f
( )f c
f c f c
f
P(f)
f
P(f)
f
P(f)f c
f c f c
Slow Power Control
Node B
UL Inner LPC
•SIR BS-Target
•SIR BS-Measured
•TCPBS •PT-UE
DL Inner LPC
•SIR UE-Target
•SIR UE-Measured
•TCPUE
•PT_BS
SIR UE-Target > SIR UE-Measured TCPUE PT_BS SIR UE-Measured
SIR UE-Target < SIR UE-Measured TCPUE PT_BS SIR UE-Measured
SIR BS-Target > SIR BS-Measured TCPBS PT_UE SIR BS-Measured
SIR BS-Target < SIR BS-Measured TCPBS PT_UE SIR BS-Measured
SRNC
UL Outer LPC
•QoSSRNC-Measured (BER, FER)
•SIR BS-Target
DL Outer LPC
•QoSUE-Measured (BER, FER)
•Control Parameters From SRNC•SIR UE-Target
DL Open LPC
•UE Measurements
•Broadcasted Cell / System Parameters (BCH)
•PT-UE
UL Open LPC
•UE Measurements Reports
•PT-BS
Initial Power Control
1,5 KHz, Every Time Slot!!!
UL Inner LPC: Sets Power Tx for UL Dedicated Channels
DL Inner LPC: Sets Power Tx for DL Dedicated Channels
UL Outer LPC: Sets Target SIR for UL Inner LPC
DL Outer LPC: Sets Target SIR for DL Inner LPC
UL Open LPC: Sets Initial Power Tx of UE, i.e. Random Access
DL Open LPC: Sets Initial Power Tx of downlink Channels
8/10/2019 UMTS Overview Presentation
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S15: Handover
• Chapter 1: UMTS, the Definition of a New Era
• Chapter 2: Architecture Overview
• Chapter 3: CDMA Technique
– 3.4 Soft and Hard Handover
• Chapter 4: Air Interface
• Chapter 5: Radio Theory• Chapter 6: User Equipment (UE)
• Chapter 7: UMTS Terrestrial Radio Access Network (UTRAN)
• Chapter 8: Core Network
• Chapter 9: Handover (Downlink Case Example)
• Chapter 10: Cell Planing• Charter 11: World - Wide Consensus on Additional Spectrum for 3rd
Generation
Handover
8/10/2019 UMTS Overview Presentation
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RNS Radio Network System
CN (Core Network)
RNC1 BSC RNC2 RNC3 RNC4
Node B1
BTS
Node B5 Node B
4 Node B
3
Node B2
1 2 3 4 5 6 7
SC1 SC2 SC3 SC6 SC4 SC5
8 10
SC1
SC2
SC3
SC4
SC5
SC6
f 1 f 2 f 1 f 1 f 1 f 1
Soft
Handover
Softer
Handover
Soft
Handover
Hard
Handover
(Inter - System)
Hard
Handover
(Inter - System)
Hard
Handover
(Intra - System)
SRNC: 1-2-3-4-5-6
DRNC: 6
DRNC: 6
SRNC: 6-7-8
SRNC: 9SRNC: 10
9