China Training WCDMA 06-06

2 MAR | Re |08/00 |

1 11CM2-Sl CMU200 Application Training, June – 2006

CMU200 Application WCDMA

1CM2-Sl 2

Basics

Measurements

Functionality

Remote Control

CMU200 Application Training, June - 2006

Glossary

What’s next?

Background

1CM2-Sl 3

Basics

Measurements

Functionality

Remote Control


Glossary

What’s next?

Background

Resources

Physical resources� Time� Necessary dynamic to transmit data.� Bandwidth of one channel

Use these resources as efficient as possible to allow as much user as possible!

10

7

4

1

11

8

5

2

12

9

6

3

Bandwidth

Dynamic

Time ⇒

1CM2-Sl 4

Basics

Measurements

Functionality

Remote Control


Glossary

What’s next?

Background

Multiplex Access

F D M A

Frequency

T D M A

Time

C D M A010111010101011101010101110101 01011101010101110101

Algorithms

1CM2-Sl 5

Basics

Measurements

Functionality

Remote Control


Glossary

What’s next?

Background

Neighbour Cells

22

11

66

22

No reuse ofchannels

atFDMA/TDMA

No reuse ofchannels

atFDMA/TDMA

11

11

No channel

problems at CDMA

No channel

problems at CDMA

77

55

33

11

11

11

11

11

44

11

66

11

66

22

77

55

77

55

33

44

33

44

1CM2-Sl 6

Basics

Measurements

Functionality

Remote Control


Glossary

What’s next?

Background

x1

Signal processing

The signalling path

Sourceencoding

Channelencoding

Spreadencoding

Bit Symbol Chip

• Using binarycharacters

• A/D conversion• Speech

encoding toreduce bitrate

• Creating aconstant bitrate

• Preparing datafor transmission

• Optimizedadaptation tocharacter of theradio channel.

• Error detection• Error correction

• Unique inCDMAtechnologies.

• Chipratesignificanthigher thansymbolrate

x1 x Symbol Rate x Spreading Factor

1CM2-Sl 7

Basics

Measurements

Functionality

Remote Control


Glossary

What’s next?

Background

Spreading 1 symbol

Walsh Function #59

Result (64 Bit long !)

0110.0110.1001.1001.1001.1001.0110.0110.1001.1001.0110.0110.0110.0110.1001.1001

1001.1001.0110.0110.0110.0110.1001.1001.0110.1001.1001.1001.1001.1001.0110.0110

1

Transmitting 1 symbol and spreading the data with anorthogonal code (also called Walsh code or Walsh function)

1CM2-Sl 8

Basics

Measurements

Functionality

Remote Control


Glossary

What’s next?

Background

Spreading Gain

Shannon-Hartly law

Approximation

with and

B = Channel BandwidthC = Channel CapacitySNR = SignalNoiseRatio (eg. In GSM min. 9dB)

)1(lg 2NSBC +•=

SNRBC ••≈31

1>>NS

NSSNR log10•=

1CM2-Sl 9

Basics

Measurements

Functionality

Remote Control


Glossary

What’s next?

Background

Spreading Gain

Datarate vs SNR

0

2

4

6

8

10

12

14

-10 0 10 20 30 40

SNR (dB)

Bits

/Hz

(sec

)

ShannonApproximation

Datatransmissionis possibleeven for

S/N < 0 !

1CM2-Sl 10

Basics

Measurements

Functionality

Remote Control


Glossary

What’s next?

Background

Orthogonality in mathematics

Orthogonality� Orthogonality we already know from mathematics.� We are talking about orthogonality if vectors are independent.� The angle between these vectors is 90°. (x-y-z coordination).

x

y

z

+1-1

+1

-1

90°

1CM2-Sl 11

Basics

Measurements

Functionality

Remote Control


Glossary

What’s next?

Background

Orthogonality

Orthogonal Codes�Have zero correlation�Binary sequences are orthogonal if the result of an exclusive-oroperation (XOR) results in an equal number of 1’s and 0’s�Generating more orthogonal codes means using longer codes. Thelength is called spreading factor

011

101

110

000

XORBA

0101

1010XOR

1111

1010

1010XOR

0000

1001

1010XOR

0011

1CM2-Sl 12

Basics

Measurements

Functionality

Remote Control


Glossary

What’s next?

Background

Orthogonal spreadingOrthogonal spreading

Coding (Spreading)

1

1001

0 0 1 1

1001 1001 1001 1001

0110

Origin Data

Orthogonal Code

Tx Data

Average levelalways at zero

for every bit

+1

-1

0

1001 1001 0110 0110

Digital 0 is defined as an analog +1

Digital 1 is defined as an analog -1Digital 0 is defined as an analog +1

Digital 1 is defined as an analog -1

1CM2-Sl 13

Basics

Measurements

Functionality

Remote Control


Glossary

What’s next?

Background

Despreading Data (Decoding)

1111

1001

0110

XOR Processed

Orthogonal Code

Rx Data

The average power foreach bit is never 0 whenusing the correct code

+1

-1

0

0000

1001

1001

0000

1001

1001

1111

1001

0110

1111

1001

0110

(A + Y ) + Y = A

(A + Y ) + Y = A




1CM2-Sl 14

Basics

Measurements

Functionality

Remote Control


Glossary

What’s next?

Background

Decoding with wrong code

1100

1010

0110

XOR Processed

Orthogonal Code

Rx Data

The average power foreach bit is always 0 when

using the wrong code

+1

-1

0

0011

1010

1001

1100

1010

1001

0011

1010

0110

1100

1010

0110




1CM2-Sl 15

Basics

Measurements

Functionality

Remote Control


Glossary

What’s next?

Background

Example: Composing 3 users

00 0101 01010101

10 0011 11000011

11 0000 11111111Data Code Spreaded Signal

User A

User B

User C

+

+

=




1CM2-Sl 16

Basics

Measurements

Functionality

Remote Control


Glossary

What’s next?

Background

Example: Despreading

Mixed Signal

Walsh Code

Spreaded Signal

??1 1100 0 Average

for data period




A B C

1CM2-Sl 17

Basics

Measurements

Functionality

Remote Control


Glossary

What’s next?

Background

Generating PN sequences

Pseudo random noise (PN) generation� N-bit shift register (2n points, length of sequence: 2n-1)� Output will be a 7-digit sequence that repeats continually: 1101001

110100111010010 0 1

1CM2-Sl 18

Basics

Measurements

Functionality

Remote Control


Glossary

What’s next?

Background

Correlation

Correlation for a 7 bit long Reference PN at T0 to 7�

+ 7/7 = 100%1001110T7

- 1/7 = -14.3%0100111T6

- 1/7 = -14.3%1010011T5

- 1/7 = -14.3%1101001T4

- 1/7 = -14.3%1110100T3

- 1/7 = -14.3%0111010T2

- 1/7 = -14.3%0011101T1

+ 7/7 = 100%1001110T0

1001110Reference

CorrelationShiftedSequences

Time shifts

100(%) •+−

=NonMatchesMatchNonMatchesMatchesK

1CM2-Sl 19

Basics

Measurements

Functionality

Remote Control


Glossary

What’s next?

Background

Correlation

Correlation� After reaching the sequence length, this process is repeated.� The results of a correlation of equal sequences is known as

Auto Correlation Function (“ACF”)� The results of a correlation of unequal sequences is known as

Cross Correlation Function (“CCF”)

1CM2-Sl 20

Basics

Measurements

Functionality

Remote Control


Glossary

What’s next?

Background

Orthogonality vs. Correlation

Orthogonal codes typically have a bad correlation. On the other hand PN seqences with agood correlation are not orthogonal. Let’s talk about the usage of each code.

Orthogonal codes� Always used in Downlink (Forward Link)� Separation between channels (many users)� The base station is the time reference, therefore theoretically each channel is nottime-shifted, which is the main problem using orthogonal coding� Effected by multi-path transmission in reality� Used to separate channels of one user in Uplink (Reverse Link)

1CM2-Sl 21

Basics

Measurements

Functionality

Remote Control


Glossary

What’s next?

Background

Orthogonality vs. Correlation

Codes with good correlation (PN sequences)� Always used in Uplink (Reverse Link)� Separation between channels (many users)� The mobile must transmit the date with an known PN sequence (reference PNsequence).� The separation between the users is realized with a specific offset to the referencePN sequence. (E.g. dependent on IMSI)� The mobile must know the current position of the reference PN sequence, used inthe base station very accurate. This is based on a defined synchronization process.� The base station must know, which offset the mobile is using roughly, to be able todecode the data. The base station knows the used offset, after the mobile hadregistered itself to the cell.� Used as scrambling code in Downlink (Forward Link)

1CM2-Sl 22

Basics

Measurements

Functionality

Remote Control


Glossary

What’s next?

Background

Power control

Power control is a very important issue in CDMA technology. Be aware, that every mobile isdisturbing every other member of the cell. In the Uplink (Reverse Link) each mobile data is notcorrelating to the data of other mobiles. As we already know the correlation is realized against areference sequence. Therefore every mobile is behaving like a “noise” source to other cellmembers. This noise should be as low as possible. High enough to decode the data, lowenough to generate as low “noise” as possible.The output power is controlled in two ways.

�Open loop control� The output power of the mobile is dependent on the received basestation power. Assumingthat the pathloss is the same, in uplink and in downlink.� Used for the registration process. As there is no closed loop mechanism vailable at thistime, the mobile starts with an even lower output power (certain predefined rules), increasingthe power from attempt to attempt. Always being aware, not to disturb the cell.

�Closed loop control� The output power of the mobile is control by power control bits, which are part of thedownlink signal. In CDMA2000 the closed loop mechanism is used as a kind of fine-tuning. Inall CDMA based networks.

1CM2-Sl 23

Basics

Measurements

Functionality

Remote Control


Glossary

What’s next?

Background

OSI Reference Model

OSI: Open System Interconnection layer model

�ISO: International Standardisation Organisation

�Reference Model for communication systems

�Hierarchical Layer structure

�Often used in modern communication systems

Layer 7: Application Layer

Layer 6: Presentation Layer

Layer 5: Session Layer

Layer 4: Transport Layer

Layer 3: Network Layer

Layer 2: Data Link Layer

Layer 1: Physical Layer

1CM2-Sl 24

Basics

Measurements

Functionality

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Glossary

What’s next?

Background

OSI Reference Model

Application Layer

Presentation Layer

Session Layer

Transport Layer

Network Layer

Data Link Layer

Physical Layer

Application Layer

Presentation Layer

Session Layer

Transport Layer

Network Layer

Data Link Layer

Physical Layer

Network Layer

Data Link Layer

Physical Layer

1CM2-Sl 25

Basics

Measurements

Functionality

Remote Control


Glossary

What’s next?

Background

Data Units in OSI Layer Model

The Information Unit of a Layer is called PDU (Protocol Data Unit). It consists of a headerblock and a SDU (Service Data Unit). The SDU of layer N is the PDU of layer N+1.

Layer N SDU

Layer N+1 PDU

Layer N Head

Layer N PDU

1CM2-Sl 26

Basics

Measurements

Functionality

Remote Control


Glossary

What’s next?

Background

1CM2-Sl 27

Basics

Measurements

Functionality

Remote Control


Glossary

What’s next?

Background

General Specification

� Channel Spacing 5 MHz

� Channel Grid 200 kHz

� Nominal Bandwidth 3.84 MHz

� Chip Rate 3.84 MCps

1CM2-Sl 28

Basics

Measurements

Functionality

Remote Control


Glossary

What’s next?

Background

RX/TX Dynamic Ranges

WC

DM

A T

X C

lass2: 500 m W

WC

DM

A T

X C

lass3: 250 m W

WC

DM

A T

X C

lass4: 125 m W

WC

DM

A T

X C

lass1: 2 Watt

33 dBm

27 dBm24 dBm21 dBm

-50 dBm

-25 dBm

-106 dBm

RX

GSM

850/900

GSM

1800/1900

1CM2-Sl 29

Basics

Measurements

Functionality

Remote Control


Glossary

What’s next?

Background

Physical downlink channels

Operating Band I, Duplexspace 190 MHz

Operating Band II, Duplexspace 80 MHz

Operating Band III, Duplexspace 95 MHz

CH10562

2112.41922.4

CH10562

2112.41922.4

CH10563

2112.61922.6

CH10563

2112.61922.6

CH10837

2167.41977.4

CH10837

2167.41977.4

CH10838

2167.61977.6

CH10838

2167.61977.6

CH412

1932.51852.5

CH412

1932.51852.5

CH437

1937.51857.5

CH437

1937.51857.5

CH462

1942.51862.5

CH462

1942.51862.5

CH487

1947.51867.5

CH487

1947.51867.5

CH512

1952.51872.5

CH512

1952.51872.5

CH537

1957.51877.5

CH537

1957.51877.5

CH562

1962.51882.5

CH562

1962.51882.5

CH587

1967.51887.5

CH587

1967.51887.5

CH612

1972.51892.5

CH612

1972.51892.5

CH637

1977.51897.5

CH637

1977.51897.5

CH662

1982.51902.5

CH662

1982.51902.5

CH687

1987.51907.5

CH687

1987.51907.5

CH9662

1932.41852.4

CH9662

1932.41852.4

CH9663

1932.61852.6

CH9663

1932.61852.6

CH9937

1987.41907.4

CH9937

1987.41907.4

CH9938

1987.61907.6

CH9938

1987.61907.6

CH9037

1807.41712.4

CH9037

1807.41712.4

CH9038

1807.61712.6

CH9038

1807.61712.6

CH9387

1877.41782.4

CH9387

1877.41782.4

CH9388

1877.61782.6

CH9388

1877.61782.6

1CM2-Sl 30

Basics

Measurements

Functionality

Remote Control


Glossary

What’s next?

Background

Physical downlink channels

Operating Band IV, Duplexspace 400 MHz

CH1462

2112.51712.5

CH1462

2112.51712.5

CH1487

2117.51717.5

CH1487

2117.51717.5

CH1512

2122.51722.5

CH1512

2122.51722.5

CH1537

2127.51727.5

CH1537

2127.51727.5

CH1562

2132.51732.5

CH1562

2132.51732.5

CH1587

2137.51737.5

CH1587

2137.51737.5

CH1612

2142.51742.5

CH1612

2142.51742.5

CH1637

2147.51747.5

CH1637

2147.51747.5

CH1662

2152.51752.5

CH1662

2152.51752.5

CH10562

2112.41712.4

CH10562

2112.41712.4

CH10563

2112.61712.6

CH10563

2112.61712.6

CH10762

2152.41752.4

CH10762

2152.41752.4

CH10763

2152.61752.6

CH10763

2152.61752.6

Operating Band V, Duplexspace 45 MHz

CH1007

871.5826.5

CH1007

871.5826.5

CH1012

872.5827.5

CH1012

872.5827.5

CH1032

876.5831.5

CH1032

876.5831.5

CH1037

877.5832.5

CH1037

877.5832.5

CH1062

882.5837.5

CH1062

882.5837.5

CH1087

887.5842.5

CH1087

887.5842.5

CH4357

871.4826.4

CH4357

871.4826.4

CH4358

871.6826.6

CH4358

871.6826.6

CH4457

891.4846.4

CH4457

891.4846.4

CH4458

891.6846.6

CH4458

891.6846.6


CH1037

877.5832.5

CH1037

877.5832.5

CH1062

882.5837.5

CH1062

882.5837.5

CH4387

877.4832.4

CH4387

877.4832.4

CH4388

877.6832.6

CH4388

877.6832.6

CH4412

882.4837.4

CH4412

882.4837.4

CH4413

882.6837.6

CH4413

882.6837.6

1CM2-Sl 31

Basics

Measurements

Functionality

Remote Control


Glossary

What’s next?

Background

Physical uplink channels

Operating Band I, Duplexspace 190 MHz

Operating Band II, Duplexspace 80 MHz

Operating Band III, Duplexspace 95 MHz

CH9612

1922.42112.4

CH9612

1922.42112.4

CH9613

1922.62144.6

CH9613

1922.62144.6

CH9887

1977.42167.4

CH9887

1977.42167.4

CH9888

1977.62167.6

CH9888

1977.62167.6

CH12

1852.51932.5

CH12

1852.51932.5

CH37

1857.51937.5

CH37

1857.51937.5

CH62

1862.51942.5

CH62

1862.51942.5

CH87

1867.51947.5

CH87

1867.51947.5

CH112

1872.51952.5

CH112

1872.51952.5

CH137

1877.51957.5

CH137

1877.51957.5

CH162

1882.51962.5

CH162

1882.51962.5

CH187

1887.51967.5

CH187

1887.51967.5

CH212

1892.51972.5

CH212

1892.51972.5

CH237

1897.51977.5

CH237

1897.51977.5

CH262

1902.51982.5

CH262

1902.51982.5

CH287

1907.51987.5

CH287

1907.51987.5

CH9262

1852.41932.4

CH9262

1852.41932.4

CH9263

1852.61932.6

CH9263

1852.61932.6

CH9537

1907.41987.4

CH9537

1907.41987.4

CH9538

1907.61987.6

CH9538

1907.61987.6

CH8562

1712.41807.4

CH8562

1712.41807.4

CH8563

1712.61807.6

CH8563

1712.61807.6

CH8912

1782.41877.4

CH8912

1782.41877.4

CH8913

1782.61877.6

CH8913

1782.61877.6

1CM2-Sl 32

Basics

Measurements

Functionality

Remote Control


Glossary

What’s next?

Background

Physical uplink channels

Operating Band IV, Duplexspace 400 MHz

CH1162

1712.52112.5

CH1162

1712.52112.5

CH1187

1717.52117.5

CH1187

1717.52117.5

CH1212

1722.52122.5

CH1212

1722.52122.5

CH1237

1727.52127.5

CH1237

1727.52127.5

CH1262

1732.52132.5

CH1262

1732.52132.5

CH1287

1737.52137.5

CH1287

1737.52137.5

CH1312

1742.52142.5

CH1312

1742.52142.5

CH1337

1747.52147.5

CH1337

1747.52147.5

CH1362

1752.52152.5

CH1362

1752.52152.5

CH8562

1712.42112.4

CH8562

1712.42112.4

CH8563

1712.62112.6

CH8563

1712.62112.6

CH8762

1752.42152.4

CH8762

1752.42152.4

CH8763

1752.62152.6

CH8763

1752.62152.6


CH782

826.5871.5

CH782

826.5871.5

CH787

827.5872.5

CH787

827.5872.5

CH807

831.5876.5

CH807

831.5876.5

CH812

832.5877.5

CH812

832.5877.5

CH837

837.5882.5

CH837

837.5882.5

CH862

842.5887.5

CH862

842.5887.5

CH4132

826.4871.4

CH4132

826.4871.4

CH4133

826.6871.6

CH4133

826.6871.6

CH4232

846.4891.4

CH4232

846.4891.4

CH4233

846.6892.6

CH4233

846.6892.6

Operating Band VI, Duplexspace 45 MHz

CH812

832.5877.5

CH812

832.5877.5

CH837

837.5882.5

CH837

837.5882.5

CH4162

832.4877.4

CH4162

832.4877.4

CH4163

832.6877.6

CH4163

832.6877.6

CH4187

837.4882.4

CH4187

837.4882.4

CH4188

837.6882.6

CH4188

837.6882.6

1CM2-Sl 33

Basics

Measurements

Functionality

Remote Control


Glossary

What’s next?

Background

Layer 1

Layer 1 (Physical Layer): Transmission of digital information. This layer defines all physicalparameters like power, bit rate, frequency, … The transmission is not secure

UMTS:

�Error detection on transport channels and indication to higher layers.

�FEC encoding/decoding of transport channels.

�Modulation and spreading/demodulation and despreading of physical channels.

�Frequency and time (chip, bit, slot, frame) synchronisation.

1CM2-Sl 34

Basics

Measurements

Functionality

Remote Control


Glossary

What’s next?

Background

Layer 2

Layer 2 (Data Link Layer): responsible for reliable and secured transmission. Transmissionerrors are detected and corrected. Flow control is also located in this layer.

UMTS:

MAC

�Reallocation of radio resources.

�Data Transfer

RLC

�Error recovery ACK/NACK protocol.

�Notification of unrecoverable errors.

1CM2-Sl 35

Basics

Measurements

Functionality

Remote Control


Glossary

What’s next?

Background

Layer 3

Layer 3 (Network Layer): Responsible for setting up, releasing and controlling of aconnection. This layer is also responsible for optimising the link in the specific network. It isthe last layer that depends on the transmission technology.

UMTS:

� Broadcast of information.

�Establishment, reconfiguration and release of Radio Bearers.

1CM2-Sl 36

Basics

Measurements

Functionality

Remote Control


Glossary

What’s next?

Background

Layer 1 Specification

25.214

25.211

25.21225.213

25.215

Multipexingand channel

coding

PhyCh andmapping of TrCh

onto PhyCh

Physical layerprocedures

Spreading andmodulation

Physical layermeasurements

Control

Traffic 0/1+1/-1

+1/-1

1CM2-Sl 37

Basics

Measurements

Functionality

Remote Control


Glossary

What’s next?

Background

Channel types

�Logical Channels

�Transport ChannelsLayer 1 to higher layers

�Physical ChannelsLayer 1 signal

What ?

How ?

The signalitselve

1CM2-Sl 38

Basics

Measurements

Functionality

Remote Control


Glossary

What’s next?

Background

Logical channels

Logical channels are used for communication between layer 2 and 3, i.e. betweenthe RLC/MAC layer and the RRC layer

Traffic Channels� DTCH: A Dedicated Traffic Channel is a point-to-point channel, dedicated to one UE, for thetransfer of user information. A DTCH can exist in both uplink and downlink.� CTCH: A point-to-multipoint unidirectional channel for transfer of dedicated user information for allor a group of specified UEs. (Common Traffic Channel)

Control Channels� DCCH: A point-to-point bi-directional channel that transmits dedicated control information betweena UE and the network. This channel is established through RRC connection setup procedure.(Dedicated Control Channel)� CCCH: Bi-directional channel for transmitting control information between network and UEs. Thischannel is commonly used by the UEs having no RRC connection with the network and by the UEsusing common transport channels when accessing a new cell after cell reselection. (Common ControlChannel)� PCCH: A downlink channel that transfers paging information. This channel is used when thenetwork does not know the location cell of the UE, or, the UE is in the cell connected state (utilisingUE sleep mode procedures) (Paging Control Channel).� BCCH: A downlink channel for broadcasting system control information. (Broadcast ControlChannel)

1CM2-Sl 39

Basics

Measurements

Functionality

Remote Control


Glossary

What’s next?

Background

Downlink transport channels

Dedicated Channel� DCH: The Dedicated Channel is a downlink or uplink transport channel. The DCH is transmittedover the entire cell or over only a part of the cell using e.g. beam-forming antennas.

Common Transport Channel� BCH: The Broadcast Channel is a downlink transport channel that is used to broadcast system-and cell-specific information. The BCH is always transmitted over the entire cell and has a singletransport format.� PCH: The Paging Channel is a downlink transport channel. The PCH is always transmitted over theentire cell. The transmission of the PCH is associated with the transmission of physical-layergenerated Paging Indicators, to support efficient sleep-mode procedures� FACH: The Forward Access Channel is a downlink transport channel. The FACH is transmittedover the entire cell or over only a part of the cell using e.g. beam-forming antennas. The FACH can betransmitted using slow power control.� DSCH: The Downlink Shared Channel is a downlink transport channel shared by several UEs TheDSCH is associated with one or several downlink DCH. The DSCH is transmitted over the entire cellor over only a part of the cell using e.g. beam-forming antennas.

1CM2-Sl 40

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Uplink transport channels

Dedicated Channel� DCH: The Dedicated Channel is a downlink or uplink transport channel

Common Transport Channel� RACH: The Random Access Channel is an uplink transport channel. The RACH is always receivedfrom the entire cell. The RACH is characterized by a collision risk and by being transmitted using openloop power control.� PCPCH: The Common Packet Channel is an uplink transport channel. CPCH is associated with adedicated channel on the downlink which provides power control and CPCH Control Commands (e.g.Emergency Stop) for the uplink CPCH. The CPCH is characterised by initial collision risk and by beingtransmitted using inner loop power control.

1CM2-Sl 41

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Physical Downlink Channels

P-SCH(Primary Synchronisation)

Slot Synchronisation

S-SCH(Secondary Synchronisation)

Frame Synchronisation

P-CPICH(Primary Common Pilot)

Phase Reference

S-CPICH(Secondary Common Pilot)

Add. Phase Reference

PICH(Paging Indication)

Indication for Paging

AICH(Access Indication)

Indication for access to RACH

CPCH Indicator channels(Common Packet)

(AP-AICH, CD/CA-ICH, CSICH

1CM2-Sl 42

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Physical Downlink Channels

DPCCH(Dedicated Physical Control)

DPDCH(Dedicated Physical Data Channel)

P-CCPCH(Primary Common Physical Control)

PDSCH(Physical Downlink Shared Control)

S-CCPCH(Secondary Common Physical Control)

Dedicated

DCH(Dedicated Channel)

BCH(Broadcastl)

FACH(Fast Access)

DSCH(Downlink Shared Control)

PCH(Paging)

Transport Channels

DPC

H

1CM2-Sl 43

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Physical Uplink Channels

DPCCH(Dedicated Physical Control)

DPDCH(Dedicated Physical Data Channel)

PCPCH(Physical Common Packet Channel)

PRACH(Physical Random Access)

Dedicated

DCH(Dedicated Channel)

CPCH(Common Packet Channel)

RACH(Random Access)

Transport Channels

1CM2-Sl 44

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T

CMU 200 Level reference mode

There are two possibilties for level settings in the CMU 200�Referenced to the Output channel.�Referenced to the P-CPICH

1CM2-Sl 45

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CMU 200 Level reference

Please notice, the P-SCH and the S-SCH are separately entered. The specification does notdivide between “primary“ and “secondary“ synchronization channelsLevel SCH = Level P-SCH + Level S-SCH

Example:

-8.3 dB (P-SCH) + -8.3 dB (S-SCH)

are

-5.3 dB (SCH)

1CM2-Sl 46

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Transport channel – physical channel

Transport Channel MUX

Physical Channel segmentation

Transport Channel

Channel Coding

Transport Channel

Channel Coding

Transport Channel

Channel Coding

Layer 1 Phys. Ch.Phys. Ch.

Layer 2

Coded CompositeTransport Channel

1CM2-Sl 47

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Synchronisation procedure

Four steps

�1. Select Basestation and get slot synchronisation from P-SCH�2. Get frame synchronisation (and code group identificatio) bc S-SCH�3. Get exact primary scrambling code by correlation of all codes insidecode group of CPICH�4. Decode P-CCPCH to get all BCH informations for system and cell

1CM2-Sl 48

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P-CPICH (common pilot channel)

Pre-defined bit sequence

Slot #0 Slot #1 Slot #i Slot #14

Tslot = 2560 chips , 20 bits

1 radio frame: Tf = 10 ms

slot #1

Frame#i+1Frame#i

slot #14 slot #0

Frame Boundary

0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

�Scrambling Code: Primary�Channelisation Code C ch 256,0 = Phase Reference

1CM2-Sl 49

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P-CCPCH (Primary Common Control Physical Channel)

DataNdata1=18 bits

Slot #0 Slot #1 Slot #i Slot #14

Tslot = 2560 chips , 20 bits

1 radio frame: Tf = 10 ms

(Tx OFF)

256 chips

Tx ofSynchronisation

channels

�Scrambling Code: Primary�Channelisation Code C ch 256,1 = System, Cell Specific Info. + Superframe Sync.

1CM2-Sl 50

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P-SCH / S-SCH (Synchronization channels)

�Using the gap of the CCPCH�P-SCH same for all base stations�S-SCH sends a sequence of 16 different spreading codes to indicate the slotposition inside a 10ms frame�Identical data on I & Q => 45° rotation in constellation diagram

�Superposition of P-SCH/S-SCH and PCCPCH generate a typical shape intime domain

= Slot + Frame Synchronisation + Code Group Detection

1CM2-Sl 51

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UE downlink channels (FDD)

DCCH

CCCH

CTCH

FACH

DSCH

DCH

CPICH

PDSCH

DPDCH

P-CCPCH

S-CCPCH

SCH

BCH

PCH

BCCH

DTCH

TrafficControl

DedicatedCommon

PCCH

DPCCH

PICHAICH

AP-AICHCSICH

CD/CA-ICH

MACCCTrCh

Physical channels Transport channels Logical channels

1CM2-Sl 52

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UE uplink channels (FDD)

DCCH

CCCH

DTCH

RACH

DCH

PRACH

DPCH

TrafficControl

DedicatedCommon

CPCH

DPCCH

PCPCH

MACCCTrCh

Physical channels Transport channels Logical channels

1CM2-Sl 53

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Spreading

Higher number ofchannelisation codese.g. more users

Higher symbol/datarate

SF = 1 SF = 4

Cch,1,0 =

Cch,2,0=

SF = 2

Cch,2,1=

Cch,4,0=

Cch,4,1=

Cch,4,2=

Cch,4,3=

1

1 1

1 -1

1 1 1 1

1 1 -1 -1

1 -1 1 -1

1 -1 -1 1

1CM2-Sl 54

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Timing of physical channels

k:th S-CCPCH

AICH accessslots

SecondarySCH

PrimarySCH

τS-CCPCH,k

10 ms

τPICH

#0 #1 #2 #3 #14#13#12#11#10#9#8#7#6#5#4

Radio frame with (SFN modulo 2) = 0 Radio frame with (SFN modulo 2) = 1

τDPCH,n

P-CCPCH

Any CPICH

PICH for k:thS-CCPCH

Any PDSCH

n:th DPCH

10 ms

1CM2-Sl 55

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Uplink power control modes

-100000SIRest > SIR Target

0Allother

SIRest = SIR Target

111111SIRest < SIR Target

TPC_cmdTPC

-10SIRest > SIR Target

11SIRest < SIR Target

TPC_cmdTPCMode 1: (fPC1500 Hz)

Mode 2: (fPC300 Hz)

To change the power by 1 dB the TPC bitof 5 consecutive slots must be equal,otherwise the powerr remains unchanged

1CM2-Sl 56

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Downlink RMC (12.2 kbps)

100

100 12

112 8

360

308

Sum #1 Sum #2 Sum #3 Sum #4

244

244 16

260 8

804

686

Sum #2 343Sum #1 343

420 420 420 420

343 77

Information Data

CRC Attachment

Tailbit Attachment

Viterbi Coding 1/3

1. Interleaving

Radio Frame Seg.

Rate Matching

2. Interleaving

30 kbps DPCH

Radio Frame FN=4N Radio Frame FN=4N+1 Radio Frame FN=4N+3

686 308

343 77343 77343 77

244

Sum #2 343Sum #1 343

140 1 140 1 140 1 140 1

…

28

0 14

28

…0 14 …0 14 …0 14

Radio Frame FN=4N+2

TFCI = 3 TFCI = 3 TFCI = 3 TFCI =3

DTCH DCCH

1CM2-Sl 57

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Power Ramping RACH

#0 #1 #2 #3 #4 #5 #6 #7 #8 #9 #10 #11 #12 #13 #14 #0 #1 #2 #3 #4 #5 #6 #7 #8 #9 #10 #11 #12 #13 #14

RACH Message part∆P0 = Power Ramp Step

Access PreambleInitial_Power

Acquisition indicator(positive)

Power offset

Uplink

Downlink

SFN 2. SFN 3 SFN 4 SFN 5

RACH Frame 20 msec

1413121110987

2107654361413121110985

54321048141312111093

7654321021110981413121

76543210011109876543210SFN mod 8 (CCPCH)

∆=3

Sub-channel group {1,3,8,11}

Min ∆=3

1CM2-Sl 58

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Power Ramping RACH

1CM2-Sl 59

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1CM2-Sl 60

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CMU200 - WCDMA Functionality

�Signalling functionality�Signalling according to 3GPP/FDD Release99, March 2002

�CMU simulates one UTRAN cell

�UE synchronises to cell

�RRC connection set up

�call set up (MOC, MTC)

�UE transmitter tests in CMU

�Test Mode / Test Loop activation command

�UE receiver tests in CMU

�call release (NIR, MIR)

1CM2-Sl 61

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CMU200 - WCDMA Functionality

�Current functionality of signalling SW�Read out of part of UE capabilities and measurement reports

�Authentication, Security and Integrity

�Dynamic setting of signalling parameters

�Dedicated Channels� Signalling RAB� RMC� Voice� Video

� Packet data connections / HSPDA

1CM2-Sl 62

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CMU200 – Inter Frequency Handover

� Inter Frequency Handover– Possibility to change channel during call

1CM2-Sl 63

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CMU200 – Important networksettings

� Authentication and Security– Authentication

– Triggered by network– Key exchange for integrity (and ciphering)– Secret key ‘K’ adjustable since V3.50– Algorithm used is Test acc. 3GPP 34.108 (XOR)

– Security– In CMU200 only

Integrity

No Ciphering

– For both proceduresa USIM is needed!

1CM2-Sl 64

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CMU200 – Inter RAT Handover toGSM

� Blind Handover WCDMA � GSM supported with V3.50– All installed GSM networks selectable as target network– Parameters of target network adjustable in Handover

Prepare Session– Traffic channel (frequency, level, timeslot)– Control channel (frequency, level, mode, AUX Tx)– Speech codec settings– GSM setup message– …

– Handover possible from– WCDMA circuit switched to GSM circuit switched

» WCDMA Voice call to GSM voice call» WCDMA RMC call to GSM voice call

1CM2-Sl 65

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CMU200 – Inter RAT Handover toGSM

� Blind Handover WCDMA � GSM supported with V3.50– Handover is blind, that means

– UE does not see a GSM cell while in WCDMA call– UE receives info about GSM cell on DCCH with Handover command– After handover command UE waits for activation time– After activation time elapsed UE hands over to GSM

– After CMU received Handover accept from UE– WCDMA cell is shut down– GSM cell is put on air– UE ends on GSM cell in call after activation time

– For Handover from WCDMA RMC call– In some UEs GSM setup message is needed for speech codec

initialisation�UE alerts in GSM

1CM2-Sl 66

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CMU200 - WCDMA CompressedMode

� What is Compressed Mode?– In a CDMA system the transceiver is always active during a connection– In contradiction to a TDMA system there is no slot divided operation– Thus there is no time to check other cells or frequencies

(cf. BA list and neighbor cell measurements like e.g. in GSM)if there is only one receiver in the UE

– Receiver must “steal” some time to do neighbor cell measurements– Data to be transmitted must be compressed to win time

⇒ Compressed mode

Time

Power

w/o compressed mode

Time

Power

with compressed mode

Gap

1CM2-Sl 67

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� Requirements for compressed mode– signaling to the UE to do compressed mode

– by SF reduction– by puncturing– (by higher layer scheduling)

– Command UE to activate compressed mode– read measurement report form UE

» e.g. information of neighbor cell– Preconditions for some inter frequency/inter system handover scenarios– RF measurements in compressed mode planned for later releases

– measure UE power and gap length (U65var04)» higher power in compressed mode

– measure BER in compressed mode» no reduction of quality of service due to compressed mode

1CM2-Sl 68

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1CM2-Sl 69

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Handover in Compressed Mode

� Inter system handover from WCDMA to GSM� In principle the same handover as before but

– Measurement on GSM cell before handover command– Handover to the measured GSM cell– Second transmitter in CMU200 necessary (CMU-B95)

1CM2-Sl 70

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Inter RAT Handover from GSM

� Blind Handover GSM � WCDMA– All installed WCDMA bands selectable as target network– Parameters of target network adjustable in Handover

Prepare Session– Handover possible from GSM circuit switched to WCDMA circuit switched– Handover is blind, that means

– UE does not see a WCDMA cell while in GSM call– UE receives info about WCDMA cell with Handover command– After handover command UE waits for activation time– After activation time elapsed UE hands over to WCDMA

– After CMU received Handover accept from UE– GSM cell is shut down– WCDMA cell is put on air– UE ends on WCDMA cell in call after activation time

1CM2-Sl 71

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CMU200 – AMR Codec and AudioTest

�With AMR Codec for WCDMA– Hardware B52var14 required– Otherwise no option (in contrast to GSM)

�Audio testing will be possible– Either use CMU-B41 Audio option– Or UPL and CMU200 for the only available validated audio test platform

1CM2-Sl 72

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1CM2-Sl 73

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CMU200 – Max Power

Maximum Power of the UE� Most important

power measurementToo high output poweris disturbing the radionetwork, the peakvalues are only for info.

� Dependent on themobile class(Typically 21 dBm)

� Typical Limits(19 dBm to 23 dBm)

� Possibility todeterminate couplefactors (Attenuation ofAntenna coupler canbe measured with goodUE)

1CM2-Sl 74

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CMU200 – Measurement receiver

Dynamic ranges� Overrange area

The CMU uses an A/D converter atthe inter-frequency. An Overload ofthe internal signal path makes itimpossible to make measurements..

� Overshoot areadepends on Crest-Factor

� Demodulation area(depends on modulation type)

� Power Measurements(partly possible, even without ademodulation process)

� Noise (depends on signal level andinternal attenuator settings, canpossibly be higher than the UESignal, depends on filter bandwidth)

Max Level-(6+2) dB

-35 dB

-73 dB rms

1CM2-Sl 75

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CMU200 – Min Power

Minimum power of the UE� More or less

importantPurpose: Is the phonehandling the completelevel range, peakvalues only for info.

� Could also be partof TestpatternTeststep F

� Typical Limits(< -50 dBm)

� Typical Values(-55 to -60 dBm)

1CM2-Sl 76

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CMU200 – Inner Loop TPC

Influence of the TPC powercontrol mechanism� More or less

important Purpose: Isthe closed loop powercontrol working.

� Better to use theTestpattern„Teststep A-H“.

� Max. Step and Sumerror

1CM2-Sl 77

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Adjusting the TPC Pattern� Maximum Flexibility:

The CMU can be usedfor a high amount ofdifferent scenarios.

� Transmitted TPCPatterns areindependent fromthe limit settings(Please note: There isno automatismbetween these twosettings).

1CM2-Sl 78

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ILPower TPC (Patterns A..H)

Influence of the TPC control (3GPP TS 34.121/5.4.2)� Test in 8 steps.

� Testpattern A Algorithm 2, between 30 and 60 TPC commands according to certainrules. Example sequence from Spec:100000101010101111101000001010101011111010000010101010111110.Even, whenpartly 5 equal TPC Bits are send, the power shouldn‘t change, as there have to be framesynchronised.

1CM2-Sl 79

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Influence of the TPC control (3GPP TS 34.121/5.4.2)� Testpattern B,C Algorithm 2, valid TPC_cmd, 50 TPC Bits each,10 steps up and 10

steps down. Looking on step and the sum errors.

1CM2-Sl 80

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Influence of the TPC control (3GPP TS 34.121/5.4.2)� Testpattern D Algorithm 1, „filler“, can be used as Max Power Test.

� Testpattern E,F Algorithm 1,150 steps up and 150 steps down. Looking on step and 10step acceleration errors. Covers the complete dynamic range.

1CM2-Sl 81

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Influence of the TPC control (3GPP TS 34.121/5.4.2)� Testpattern G,H Algorithm 1, but 2 dB steps,75 steps up and 75 steps down. Looking

on step and 10 step acceleration errors. Covers the complete dynamic range.

1CM2-Sl 82

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Influence of the TPC control� More or less

importantEspecially testpattern Eund F are interesting.

� View showsabsolute andrelative values

� Typical Limits formax. step - andacceleration error0.5 dB per step, 2 dBfailure for 10consecutive steps

1CM2-Sl 83

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Influence of the TPC control� Typical Limits for

max. step - andacceleration error0.5 dB per step, 2 dBfailure for 10consecutive steps

1CM2-Sl 84

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Graphical Display in V3.80� Selectable Start and Stop slot to zoom in the power steps

1CM2-Sl 85

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How to do

� Check the startconditions !

� Select theTestpattern

� Start the single shotmeasurement

� Press „RepeatPattern“

1CM2-Sl 86

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Transmit On/Off Timemask

RACH power measurement (3GPP TS 34.121/5.5.2)� Single Shot� Checking the power and the timing

Off-value like in Min Power Measurement. On value related to the open loop power rules.

� Measurement during registration and call setup

1CM2-Sl 87

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Transmit On/Off Timemask

RACH Power Ramping� Sending no AICH ACK� Mobile must be turned on several

times� Defining the preamble to measure.

1CM2-Sl 88

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CMU200 – Modulation Measurement

G = 0.5

Scrambling

G = 1G = 0.5

Scrambling

G = 1

Modulation type� WCDMA uses Dual BPSK in Uplink.� DPCCH is transmitted on the Q branch.� DPDCH is transmitted on the I branch.

The used scrambling code reduces the phase between chips to +/-90°. (within a symbolperiod). 180° Phase changes are possible on symbol borders.

.

1CM2-Sl 89

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Error Vector Magnitude(EVM)

� GMSK in GSM is a“constant envelopemodulation”, It is possibleto describe Modulationerrors only with a phaseerror value.

� At PSK modulation, thelocal amplitude errorshave also to be taken intoaccount. Therefore twoadditional componentsare measured:„Magnitude Error“ and„EVM“

.

Idealsymbol point

MeasuredSymbol point

Q

IError Vector Magnitude

Magnitude Error

Phase Error

1CM2-Sl 90

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Frequency Domain and TimeDomain view� Origin Offset is the

equivalent to carriersuppression.

p(f C+n) - p(f C)� IQ Imbalance is the

equivalent to sidebandsuppression

p(f C+n) - p(f C-n).

Remainingcarrier

Sidebandsuppression

ModulatedCarrier

1CM2-Sl 91

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Displaying the Results� Current

Last value, which wasmeasured.

� AverageMean value over theden „Statistic Count“.

� Max/MinIn manual usage thevalues are not relatedto the „Statistic Count“.In remote controltypically „Single Shot“is used.

� Measurement doneat mid or high UEoutput power.

1CM2-Sl 92

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Displaying the results� Graphical View over

one Slot possibleEVM, Magnitude Erroror Phase Error

1CM2-Sl 93

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Measurement mode� WCDMA

Modulationmeasurement after de-spreading.

� QPSKModulationmeasurement in frontof the de-spreading.Only makes sense ifDPCCH and DPDCHare using the samegain factor. (e.g. inModuletest). Muchfaster..

1CM2-Sl 94

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CMU200 – ACLR Messungen

Measurement mode� Filter

Fastest Measurement.The measurementreceivers is hoppingfrom frequency tofrequency

� FFT/OBWUsing a FFT method.Additionally theoccupied bandwidth ismeasured. This shouldnot be higher than thechannel bandwidth.

� EMASKSimilar like the FFT.But it is using differentfilters on the differentfrequency offsets.

1CM2-Sl 95

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CMU200 – ACLR Measurements

FFT/OBW� 2 resolution filters

Displaying assimultaneous curves

� Measurement lengthdefinable320,640,1280, 2560Chips possible.

� Preferred modeModusOBW is an importantcriteria.

In General� Measurement at mid

or high UE outputpower

1CM2-Sl 96

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CMU200 – ACLR Measurements

Emission Mask (EMASK)� Used channel

(0..+-2,5MHz),RBW = 30kHz

� Transient area(+-2,5..+-3,5MHz),RBW = 1MHz.

� Neighbor channels(+-3,5..+-12,5MHz),RBW = 1MHz Filter

1CM2-Sl 97

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CMU200 – CDP Measurements

Code Domain Power� The DPDCH is there

and set up correctly� What data rates are

used?� Is the channel mapping

is working correctly?� How the power

distribution over thecode channels anddedicated channels isdoing

� How much inter codecrosstalk the UE has.

1CM2-Sl 98

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CMU200 – CDP Measurements

Code Domain Power Views

� Code DomainPower (CDP)

� Evaluation for I- and Q-part (Auto)

� Evaluation for differentData/Control channels(Manual)

� Code DomainPower Rho (ρ)

� Evaluation for I- and Q-part (Auto)

� Evaluation for differentData/Control channels(Manual)

1CM2-Sl 99

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CMU200 – Receiver tests

Bit/Block errors� BER

Bit errors

� BLERBlock errors.

� DBLERBlock errors resultingfrom the data partexcluding the headerpart.

1CM2-Sl 100

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CMU200 – Receiver tests

Adjusting the level according specification� Reference: Output power

Output Power: -106.7 dBmP-CPICH: -3.3 dBP-CCPCH: -5.3 dBP-SCH,S-SCH: -8.3 dBPICH: -8.3 dBDPCH: -10.3 dB

� Reference: P-CPICHP-CPICH: -110.0 dBmP-CCPCH: -2.0 dBP-SCH,S-SCH: -5.0 dBPICH: -5.0 dBDPCH: -7.0 dB

AICH und S-CCPCH are not transmitted during an active call

1CM2-Sl 101

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Test Loops 1 + 2

R R C

R L C

L 1

U E Tx

M A C

R R C

R L C

L 1

U E Rx

M A C

Loop 1

Loop 2

1CM2-Sl 102

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CMU200 – UE Reports

Results of the UE Report� Reporting the

current cellAlso possible in normalmode

� Reporting theneighbor cellsOnly possible in„Compressed Mode“.Neighbor cells couldeither be WCDMA cellsor GSM cells

� In the moment notsupported by everyphone.

1CM2-Sl 103

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CMU200 – UE Report

Compressed Mode� When changing to

the UE Report menuOtherwise normalmode used

� Already at call setup

1CM2-Sl 104

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CMU200 – UE Report

Preparing a GSM cell� Needs Option B95

Second synthesizer inthe CMU200

� Change into the„Handover PrepareSession“After this a GSMSignal is transmitted inparallel to the WCDMASignal.

1CM2-Sl 105

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1CM2-Sl 106

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Remote ExampleBasic Initializing

*IDN?*OPT?*SEC 0*CLS;*RST;*OPC?SYST:GTRM:COMP OFFTRAC:REM:MODE:DISP OFFCONF:SYNC:FREQ:REF:MODE INT*CLS;SYST:REM:ADDR:SEC 1,"WCDMA19UEFDD_NSig"*CLS;SYST:REM:ADDR:SEC 2,"WCDMA19UEFDD_Sig"2;INP:STAT RF22;OUTP:STAT RF22;SENS:CORR:LOSS:INP2 7.02;SENS:CORR:LOSS:OUTP2 7.0

General settings, connector RF2, cable loss 7.0 dB

1CM2-Sl 107

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Remote ExampleCall setup

2;CONF:NETW:OBAN OB12;CONF:BSS:DCH:TYPE RMC2;CONF:BSS:DCH:RMC:RTYP 12.22;CONF:BSS:DCH:RMC:SDTC PR92;CONF:BSS:DCH:RMC:TMOD MODE22;CONF:BSS:DCH:RMC:UCRC OFF2;CONF:BSS:TPC:MODE ALG12;CONF:BSS:TPC:SSIZ 12;CONF:NETW:IDEN:MCC 12;CONF:NETW:IDEN:MNC 12;CONF:NETW:IDEN:LAC 12;CONF:NETW:REQ:SEC OFF2;CONF:NETW:REQ:AUTH OFF2;CONF:NETW:REQ:IMEI ON

Band I, 12.2 kbps RMC, Test Mode 2 asymetric, TPC algorithm 1, 1dB Steps,Network parameter, Security and Authentication request off, IMEI request on

1CM2-Sl 108

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Remote ExampleCall Setup (Variation I)

2;CONF:NETW:REQ:SEC ON2;CONF:NETW:REQ:AUTH ON2;CONF:NETW:REQ:SKEY '0011223344556677','8899AABBCCDDEEFF'

Network parameter, Security and Authentication request on,The security key differs to the default value.This key must fit to the usedUSIM card. The default belongs to the R&S USIM

1CM2-Sl 109

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Remote ExampleCall Setup (Variation II)

2;CONF:BSS:DCH:SRAB:SRB K2_52;CONF:BSS:DCH:TYPE RMC2;CONF:BSS:DCH:RMC:RTYP 12.22;CONF:NETW:REQ:RRCC ON2;CONF:NETW:RAC:DRXC 6

A possible improvement in the speed of the mobile terminated call canbe reached with the Network parameter “Keep RRC connection”,But the ”Signalling Radio Access Bearer (SRAB)“ Type, which is alsoused during registration must fit to the desired connection typeSRAB with 2.5 kBit should be used for RMC calls

1CM2-Sl 110

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Remote ExamplePower Setting

2;CONF:BSS:LREF OPOW2;CONF:BSS:OPOW -50.602;CONF:BSS:PHYS:LEV:CPIC:PRIM -4.422;CONF:BSS:PHYS:LEV:SCH:PRIM -9.422;CONF:BSS:PHYS:LEV:SCH:SEC -9.422;CONF:BSS:PHYS:LEV:CCPC:PRIM -6.422;CONF:BSS:PHYS:LEV:CCPC:SEC -6.422;CONF:BSS:PHYS:LEV:PICH -9.422;CONF:BSS:PHYS:LEV:AICH -9.422;CONF:BSS:PHYS:LEV:DPDC -11.42

Output power setting

1CM2-Sl 111

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Remote ExampleFurther Settings & Registration

2;CONF:BSS:PHYS:DPCH:POFF 0.002;CONF:BSS:PHYS:CODE:DPDC 62;CONF:BSS:CHAN 10812 CH2;CONF:BSS:SCOD:PRIM #H92;CONF:BSS:SCOD:SEC #H02;CONF:UES:SCOD:SEC #H02;LEV:MODE AUT2;CONF:BSS:TPC:PTYP CLOP2;PROC:SIGN:ACT SON;*OPC?WHILE 2;SIGN:STAT? <> REG2;SIGN:RITY?2;SIGN:RID?2;SENSE:SIGN:IMEI?Channel configuration, wait for synchronization, checking UE parameterThe query for the IMEI may return „NAN“. You might query for the IMEI ina loop or put this command after the call is established

1CM2-Sl 112

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Remote ExampleRMC call, BER + Modulation Meas.

2;PROC:SIGN:ACT CTM;*OPC?

WHILE 2;SIGN:STAT? <> CEST

2;LEV:MODE AUT2;CONF:BSS:TPC:PTYP CLOP2;CONF:UES:PCON:TPOW:VAL 0.02;CONF:RXQ:BER:CONT:TBL 150 (one Block has 244 Bit)2;INIT:RXQ:BER2;CONF:BSS:OCNS?2;CONF:MOD:OVER:WCDM:DPCH:CONT:STAT 102;READ:MOD:OVER:WCDM:DPCH?2;FETC:RXQ:BER?

MTC, Modulation and BER in parallel, TPC are generated in closed loop mode.

1CM2-Sl 113

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Remote ExampleMax Power + ACLR measurement

2;LEV:MODE MAN2;LEV:MAX 35.02;CONF:BSS:TPC:PTYP ALL12;CONF:POW:MAX:CONT:STAT 102;READ:POW:MAX?2;CONF:SPEC:MFFT:CONT:STAT 102;CONF:SPEC:MFFT:CONT:MLEN 6402;READ:SPEC:MFFT:REL?2;ABOR:SPEC:MFFT

Manual level setting, TPC all up, max. power measurement and ACLR at

max. power condition. (results are more stable, than in autoranging mode)

FFT with1/4 slot length and a statistic count of 10, results are

including occupied bandwith (OBW)

1CM2-Sl 114

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Remote ExampleACLR variations

2;CONF:SPEC:MFIL:CONT:STAT 102;CONF:SPEC:MFIL:CONT:MLEN 12802;READ:SPEC:MFIL:REL?2;ABOR:SPEC:MFIL

FFT with 1/2 slot length and a statistic count of 10, results are

including peak values

2;CONF:SPEC:EMAS:CONT:STAT 102;CONF:SPEC:EMAS:CONT:MLEN 25602;READ:SPEC:EMASK?2;CALC:ARR:SPEC:EMAS:CURR:MATC:LIM?2;FETC:ARR:SPEC:EMAS:AVER?

FFT with1/1 slot length and a statistic count of 10, limit check and readout of

The complete array

1CM2-Sl 115

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Remote ExampleMin Power

2;LEV:MODE MAN2;LEV:MAX -35.02;CONF:BSS:TPC:PTYP ALL02;CONF:POW:MIN:CONT:STAT 102;READ:POW:MIN?

Manual level setting, TPC all down, Min. power measurement. (Results are morestable, than in autoranging mode).

1CM2-Sl 116

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Remote ExampleCode Domain Power

2;LEV:MODE AUT2;CONF:BSS:TPC:PTYP CLOP2;READ:CDP:AUT?2;CONF:CDP:AUT:CONT:DSF?2;FETC:ARR:CDP:AUT:ISIG:CURR?2;FETC:ARR:CDP:AUT:QSIG:CURR?

Auto level setting, closed loop

1CM2-Sl 117

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Remote ExampleInnerloop Power Control

2;CONF:POW:ILTP:CONT:TPCP:ALG 0,0,0,0,0,0,0,0,0,02;CONF:BSS:TPC:PATT '00000000001111111111'2;CONF:BSS:TPC:PTYP CPAT2;READ:POW:ILTP:CURR?2;READ:POW:ILTP:CURR?2;FETC:ARR:POW:ILTP:UEP:CURR?2;FETC:ARR:POW:ILTP:STEP:CURR?

1CM2-Sl 118

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Remote ExampleCall Release (NIR)

2;LEV:MODE AUT2;CONF:BSS:TPC:PTYP CLOP2;PROC:SIGN:ACT CREL2;SIGN:STAT?2;PROC:SIGN:ACT SOFF

A call release, waiting for the signalling state „REG“

The generator is switched off then .

1CM2-Sl 119

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Combining ILTP Measurements(Part1)

2;CONF:POW:ILTP:CONT:TPCP:ALG 0,0,0,0,0,0,0,0,0,02;CONF:BSS:TPC:PATT '000000000000'2;CONF:POW:ILTP:CONT:BSEC OFF2;LEV:MAX 37.02;LEV:MODE MAN2;CONF:BSS:TPC:PTYP ALL12;CONF:BSS:TPC:PTYP SPAL2;INIT:POW:ILTP;*OPC?2;CONF:BSS:TPC:RPAT ON2;FETC:ARR:POW:ILTP:UEP:CURR?

Configure only the A part of the measurement, expecting 10 zeros (11 results)Define a bit pattern of 12 zeros (alternating between the single steps)Manual level setting. Starting with TPC „All1“ for max power.Init the measurement, which waits for a trigger nowTransmitting a single pattern and fetching the results.

1CM2-Sl 120

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2;LEV:MAX 26.02;INIT:POW:ILTP;*OPC?2;CONF:BSS:TPC:RPAT ON2;FETC:ARR:POW:ILTP:UEP:CURR?2;LEV:MAX 15.02;INIT:POW:ILTP;*OPC?2;CONF:BSS:TPC:RPAT ON2;FETC:ARR:POW:ILTP:UEP:CURR?2;LEV:MAX 4.02;INIT:POW:ILTP;*OPC?2;CONF:BSS:TPC:RPAT ON2;FETC:ARR:POW:ILTP:UEP:CURR?2;LEV:MAX -7.02;INIT:POW:ILTP;*OPC?2;CONF:BSS:TPC:RPAT ON2;FETC:ARR:POW:ILTP:UEP:CURR?.

Repeating these steps now.

1CM2-Sl 121

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2;LEV:MAX -29.02;INIT:POW:ILTP;*OPC?2;CONF:BSS:TPC:RPAT ON2;FETC:ARR:POW:ILTP:UEP:CURR?2;LEV:MAX -36.02;INIT:POW:ILTP;*OPC?2;CONF:BSS:TPC:RPAT ON2;FETC:ARR:POW:ILTP:UEP:CURR?

Repeating these steps again. Keep in mind the max level is not an expected power.It is the overrange point of the A/D conversion and must be higherFor example: Max Level = Expected power + Crest Factor + 2 dB)

1CM2-Sl 122

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Innerloop Power Testpattern A..H

2;CONF:UES:PCON:TPOW:REF TPOW2;CONF:UES:PCON:TPOW:VAL -10.0

� TESTPATTERN A

2;CONF:BSS:TPC:PSET TA2;INIT:POW:XSL;*OPC?2;CONF:BSS:TPC:RPAT ON2;FETC:POW:XSL:ABS?2;FETC:POW:XSL:DELT?

� TESTPATTERN B

2;CONF:BSS:TPC:PSET TB2;INIT:POW:XSL;*OPC?2;CONF:BSS:TPC:RPAT ON2;FETC:POW:XSL:ABS?2;FETC:POW:XSL:DELT?

� Select the desired testpattern� Trigger the measurement� Start the pattern transmission

1CM2-Sl 123

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� TESTPATTERN C

2;CONF:BSS:TPC:PSET TC2;INIT:POW:XSL;*OPC?2;CONF:BSS:TPC:RPAT ON2;FETC:POW:XSL:ABS?2;FETC:POW:XSL:DELT?

� TESTPATTERN D

2;CONF:BSS:TPC:PSET TD2;INIT:POW:XSL;*OPC?2;CONF:BSS:TPC:RPAT ON2;FETC:POW:XSL:ABS?2;FETC:POW:XSL:DELT?

� Returns absolute values� Returns relative values

1CM2-Sl 124

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� TESTPATTERN E

2;CONF:BSS:TPC:PSET TE2;INIT:POW:XSL;*OPC?2;CONF:BSS:TPC:RPAT ON2;FETC:POW:XSL:ABS?2;FETC:POW:XSL:DELT?

� TESTPATTERN F

2;CONF:BSS:TPC:PSET TF2;INIT:POW:XSL;*OPC?2;CONF:BSS:TPC:RPAT ON2;FETC:POW:XSL:ABS?2;FETC:POW:XSL:DELT?

1CM2-Sl 125

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� TESTPATTERN G

2;CONF:BSS:TPC:PSET TG2;INIT:POW:XSL;*OPC?2;CONF:BSS:TPC:RPAT ON2;FETC:POW:XSL:ABS?2;FETC:POW:XSL:DELT?

� TESTPATTERN H

2;CONF:BSS:TPC:PSET TH2;INIT:POW:XSL;*OPC?2;CONF:BSS:TPC:RPAT ON2;FETC:POW:XSL:ABS?2;FETC:POW:XSL:DELT?

1CM2-Sl 126

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Remote ExampleHandoff to GSM

1;CONF:NETW:NSUP GSM1;CONF:NETW:SMOD:BITS PR91;CONF:RXQ:BITS PR91;CONF:BSS:CCH:CHAN 301;CONF:BSS:CCH:LEV -85.01;CONF:BSS:CHAN 621;CONF:BSS:MSL:MTIM 31;CONF:BSS:CSW:TCH:SSL:TIM 31;CONF:MSS:MS:PCL 151;CONF:BSS:LEV:UTIM -85.01;SENS:CORR:LOSS:INP2 0.01;SENS:CORR:LOSS:OUTP2 0.02;CONF:HAND:TARG 'GSM900MSInterCell'2;PROC:SIGN:ACT HANDWHILE 1;SIGN:STAT? <> CEST

Preparation of the GSM cell (every line starting with 1;…)Selecting the target network. Start the handover and query the signalling state inGSM now. Be aware of the secondary address mapping !

1CM2-Sl 127

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Glossary

Secpndary Synchronisation ChannelS-SCHSecondary Common Pilot ChannelS-CPICH

Secondary Common Physical Control ChannelS-CCPCHRandom Access ChannelRACHPrimary Synchronisation ChannelP-SCHPhysical Random Access ChannelPRACHPaging Indication ChannelPICH

Physical Downlink Shared Control ChannelPDSCHPrimary Common Pilot ChannelP-CPICHPhysical Common Packet ChannelPCPCHCommon Packet ChannelPCPCHPaging ChannelPCH

Primary Common Physical Control ChannelP-CCPCHPaging Control ChannelPCCHForward Access ChannelFACHDedicated Traffic ChannelDTCHDownlink Shared ChannelDSCHDedicated Physical Data ChannelDPDCHDedicated Physical Control ChannelDPCCHDedicated ChannelDCHDedicated Control ChannelDCCHCommon Traffic ChannelCTCHCommon Packet ChannelCPCHCommon Control ChannelCCCHBroadcast ChannelBCHBroadcast Control ChannelBCCHAccess indication ChannelAICH

1CM2-Sl 128

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Thank you for your attention

China Training WCDMA 06-06

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Transcript of China Training WCDMA 06-06