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3GPPFDD_DPDCH



Description: Uplink DPDCH simulation
Library: 3GPPFDD, User Equipment
Class: SDF3GPPFDD_DPDCH
Derived From: 3GPPFDD_ULPCodeSrcBase

Parameters

Name

Description

Default

Unit

Type

Range

SpecVersion

version of specifications: Version_03_00, Version_12_00, Version_03_02

Version_12_00

 

enum

 

DataPattern

source data pattern: random, PN9, PN15, bits_repeat, user_file

random

 

enum

 

RepBitValue

repeating data value

0xff

 

int

[0, 255]

UserFileName

user-defined data file name

datafile.txt

 

filename

 

ScrambleCode

index of scramble code

0

 

int

[0:512] for downlink;
[0, 16777215] for uplink

Scramble

scramble code type: LONG, SHORT

LONG

 

enum

 

SpreadCode

index of spread code

0

 

int

[0:SF-1];
SF can be set by SlotFormat or equal to SpreadFactor;
SF is 256 if for CPICH, PICH or uplink DPCCH

SymbolRate

channel symbol rate: DPDCH_15ksps, DPDCH_30ksps, DPDCH_60ksps, DPDCH_120ksps, DPDCH_240ksps, DPDCH_480ksps, DPDCH_960ksps

DPDCH_15ksps

 

enum

 

IQbranch

I/Q branch that channel maps on: I, Q

I

 

enum

 

Pin Outputs

Pin

Name

Description

Signal Type

1

out

output data

complex

Notes/Equations
  1. This model is used to simulate uplink DPDCH.
    This model performs the same as the Agilent signal generator instrument ESG-D Option 100.
  2. 2560 tokens are output each firing. DPDCH can be channelized on the I branch or the Q branch. The complex output data sequence is the spread and scrambled chips where SpreadCode and ScrambleCode specify the spread and scramble codes. The output sequence is repeated on a frame-by-frame basis.
  3. This model supports five data patterns: random, PN9, PN15, fixed repeated 8-bits, and from a user-defined file.
    If the data pattern is 8-bits repeating, the bits to be repeated is set by RepBitValue. For example, if RepBitValue is set as 0 x 7a, bit sequence 0, 1, 1, 1, 1, 0, 1, 0 will be output repeatedly.
    If data is from a user file, the user file name is specified by UserFileName. The file can be edited with any text editor. Separators between bits can be a space, comma, or any other separator. If the bit sequence is shorter than the output length, data will be output repeatedly.

References
  1. 3GPP Technical Specification TS 25.211 V3.10.0, Physical channels and mapping of transport channels onto physical channels (FDD), March 2003, Release 1999.

    http://www.3gpp.org/ftp/Specs/2002-03/R1999/25_series/25211-3a0.zip

  2. 3GPP Technical Specification TS 25.213 V3.7.0, Spreading and modulation (FDD), March 2003, Release 1999.

    http://www.3gpp.org/ftp/Specs/2002-03/R1999/25_series/25213-370.zip

  3. "Users and Programming Guide, Agilent Technologies ESG Family Signal Generators Option 100- Volume 2, WCDMA(3GPP 3.1 12-99) Personality".
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