3GPPFDD_OVSF
Description: Orthogonal variable spreading factor codes generator
Library: 3GPPFDD, PhyCH Multiplexers & Coders
Class: SDF3GPPFDD_OVSF
Derived From: 3GPPFDD_PhyCHBase
Parameters
Name |
Description |
Default |
Unit |
Type |
Range |
|---|---|---|---|---|---|
SpecVersion |
version of specifications: Version_03_00, Version_12_00, Version_03_02 |
Version_12_00 |
|
enum |
|
SpreadFactor |
spreading factor |
64 |
|
int |
2n, n=1,...,9 |
SpreadCode |
index of spread code |
0 |
|
int |
[0:SF-1]; |
Pin Outputs
Pin |
Name |
Description |
Signal Type |
|---|---|---|---|
1 |
out |
OVSF code |
int |
Notes/Equations
- This model is used to generate OVSF codes.
- The length of OVSF code is equal to SpreadFactor. The index of OVSF code is specified by SpreadCode.
References
- 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