3GPPFDD_DLDeRateMatch
Description: Downlink de-rate matching
Library: 3GPPFDD, TrCH DeMultiplexers & DeCoders
Class: SDF3GPPFDD_DLDeRateMatch
Derived From: 3GPPFDD_DLCCTrCHBase
Parameters
Name |
Description |
Default |
Unit |
Type |
Range |
|---|---|---|---|---|---|
SpecVersion |
version of specifications: Version_03_00, Version_12_00, Version_03_02 |
Version_12_00 |
|
enum |
|
SlotFormat |
slot format |
0 |
|
int |
† |
TrCHNum |
number of Transport Channels |
1 |
|
int |
[1:32] |
TrCHIndex |
index of Transport Channel |
1 |
|
int |
[1:TrCHNum] |
RMArray |
rate matching attributes of all Transport Channels |
1.0 |
|
real array |
(0.0:1.0] if SpecVersion=Version_03_00; [1:256] if SpecVersion=others; array size shall be equal to TrCHNum |
DynTFSetArray |
dynamic part of TF set of all Transport Channels |
244 976 |
|
int array |
range is the same as DynTFSet in 3GPPFDD_CRCEncoder |
TFSetSizeArray |
Transport Format set size of all Transport Channels |
1 |
|
int array |
[1, inf) for each element; sum of the elements shall be equal to the number of pairs in DynTFSetArray; array size shall be equal to TrCHNum |
TTIArray |
Transmission Time Interval of all Transport Channels |
0 |
|
int array |
[0,1,2,3] for each element; array size shall be equal to TrCHNum |
CRCArray |
number of CRC bits of all Transport Channels |
3 |
|
int array |
[0,1,2,3,4] for each element; array size shall be equal to TrCHNum |
CHCodingTypeArray |
channel coding type of all Transport Channels |
1 |
|
int array |
[0,1,2] for each element; array size shall be equal to TrCHNum |
PhyCHNum |
downlink physical channel number |
1 |
|
int |
[1:8] |
TrCHMulPos |
Transport Channel multiplex position in CCTrCH: Fixed, Flexible |
Fixed |
|
enum |
|
TrCHType |
transport channel type: DCH_Type, BCH_Type, PCH_FACH_Type |
DCH_Type |
|
enum |
|
† [0:5] for uplink DPCCH;
[0:16] for downlink DPCH;
[0:17] for downlink SCCPCH;
[0:5] for uplink PCPCH (Ver 03_00);
[0:2] for uplink PCPCH (Ver 12_00);
[0:1] for uplink PCPCH (Ver 03_02).
Pin Inputs
Pin |
Name |
Description |
Signal Type |
|---|---|---|---|
1 |
TFCIin |
input TFCI |
int |
2 |
InSize |
input size |
int |
3 |
DataIn |
input data |
real |
Pin Outputs
Pin |
Name |
Description |
Signal Type |
|---|---|---|---|
4 |
TFIout |
output TFI |
int |
5 |
OutSize |
output size |
int |
6 |
DataOut |
output data |
real |
Notes/Equations
- This model implements downlink de-rate matching. Please refer to [1] for downlink rate matching processing.
- This model fires once per radio frame. Each firing, this model receives data block at input pin DataIn, and receives the size of that data block and TFCI at pins SizeIn and TFCIin. This model then processes de-rate matching on that data block.
- This model requires the information of all transport channels in the form of arrays.
The DynTFSetArray parameter requires an integer array. The correct format is transport block size 1, transport block set size 1, transport block size 2, transport block set size 2, etc. The size of this array must be a multiple of 2, and the transport block set size must be a multiple of the relative transport block size.
When setting TTIArray, CRCArray and CHCodingTypeArray values, refer to the following table.Settings for TTIArray, CRCArray and CHCodingTypeArray Values
TTIArray CRCArray CHCodingTypeArray Time Value Coding Value Coding Value 10ms 0 No CRC 0 No Coding 0 20ms 1 8 bits 1 1/2 CC 1 40ms 2 12 bits 2 1/3 CC 2 80ms 3 16 bits 3 1/3 TC 3 24 bits 4 CC = convolutional coding; TC = turbo coding
References
- 3GPP Technical Specification TS 25.212 V3.9.0, Multiplexing and Channel Coding (FDD) 2002-03, Release 1999.
http://www.3gpp.org/ftp/Specs/2002-03/R1999/25_series/25212-390.zip
- 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