MATLAB and Simulink for Communications System Design Reference Designs and System Applications

©2013 The Mathworks, Inc.

Today’s Agenda

Accelerating System Development with Model-Based Design

Model-Based Design for Communications

Automatic Code Generation for System Deployment

2

©2013 The Mathworks, Inc.

The System Design Challenge

How Can We: Verify our hardware implementation

matches system specification? Iterate our designs faster?

3

Algorithm and System Design

FPGA FPGA / MCU

HDL / C / C++

©2013 The Mathworks, Inc.

Solution: Model-Based Design

Design, simulate, and validate algorithms and system models in MATLAB® and Simulink ®

Automatically generate HDL and C code

Verify the hardware implementation against the system model

4

MATLAB and Simulink

Algorithm Design and System Design

FPGA

Automatic Code Generation

FPGA / MCU

HDL / C / C++

Verif

y

Generate

©2013 The Mathworks, Inc.

Model-Based Design Overview

5

INTEGRATION

IMPLEMENTATION

DESIGN

TEST & VER

IFICATIO

N

RESEARCH REQUIREMENTS

ARM FPGA

VHDL, Verilog C, C++

Environment Models

Physical Components

Algorithms

©2013 The Mathworks, Inc.

Model-Based Design Overview

Design and simulate application behavior using expansive library of existing IP for signal processing, communications, motor control, image and video processing, analog, and RF

The MATLAB language can be used for scripting, testing, debugging, and algorithm development

Incorporate Xilinx System Generator IP or custom IP in C/C++ or RTL

6

INTEGRATION

RESEARCH REQUIREMENTS

IMPLEMENTATION

ARM FPGA

VHDL, Verilog C, C++

DESIGN

Environment Models

Physical Components

Algorithms

TEST & VER

IFICATIO

N

©2013 The Mathworks, Inc.

Model-Based Design Overview

Explore design partitions between hardware and software components

AXI P-core generation for FPGA

ARM-9 Neon instruction replacements for software

Automation scripts for system assembly in Xilinx Platform Studio, Bitgen, and for device programming

Hardware-in-the-loop simulation as free-running or synchronized

Integration with Xilinx tools for design iteration

7

INTEGRATION

RESEARCH REQUIREMENTS

IMPLEMENTATION

ARM FPGA

VHDL, Verilog C, C++

DESIGN

Environment Models

Physical Components

Algorithms

TEST & VER

IFICATIO

N

©2013 The Mathworks, Inc.

Model-Based Design for Communications Targeting the Zynq SDR Platform

8

©2013 The Mathworks, Inc.

Design Flow

9

XPS MATLAB and Simulink

Top-Level Model

SDK

Create FSBL & BOOT.BIN

BIT ELF

SDR Reference Design

Subsystem A

Subsystem B

©2013 The Mathworks, Inc.

System Design Components

10

Library of building blocks

Integration with RF

Incorporate MATLAB functions

Interactivity and visualization

©2013 The Mathworks, Inc.

Digital Up/Down Converter

Baseband simulation model, no carrier modulation

Assume no channel effects except low-pass filter

Focus on practical FPGA implementation

11

©2013 The Mathworks, Inc.

Top-Level Model

12

©2013 The Mathworks, Inc.

Automatic Code Generation

13

©2013 The Mathworks, Inc.

Why Use Automatic Code Generation?

Continuous tool flow from algorithm design to implementation

Eliminates hand-coding errors

Spec/model updates automatically accounted for

Enables fast deployment on hardware

14

©2013 The Mathworks, Inc.

Xilinx System Generator Integration

In1 Out1

Xilinx System Generator Subsystem Simulink Subsystem

In1

Out1

Out2

Out3

Out4

Out5

In1

In2

In3

In4

In5

Out1 1 1

Out1 In1

15

©2013 The Mathworks, Inc.

Xilinx System Generator Subsystem Example

Gateway In Block Gateway Out Blocks

Xilinx System Generator Subsystem

16

©2013 The Mathworks, Inc.

Xilinx System Generator/MathWorks HDL Coder Interoperability High-level abstraction + device-optimized quality of results

Validate algorithms on hardware using real-world analog data

HDL Coder • Native Simulink blocks • Abstract data types • Floating-to-fixed conversion • Design exploration • HW/SW partitioning

System Generator for DSP • Xilinx DSP blockset • Analog data acquisition • Ethernet HW cosimulation

High-Level Design and Modeling

Optimized Design Using Xilinx DSP Blockset

Tool Interoperability

17

©2013 The Mathworks, Inc.

What We Covered

System Development with Model-Based Design

Verification through Simulation

Automatic Code Generation for FPGA and SoC Implementation

18

©2013 The Mathworks, Inc.

Topics for Further Study

Analog and RF device modeling and simulation to validate algorithm operation with specific device models Help to determine the right interface devices for your design

Hardware co-simulation to verify algorithm operation with real-world signals

HDL code verification and FPGA-in-the-loop test benches

19

©2013 The Mathworks, Inc.

More Information on Model-Based Design for Communications Systems Development MATLAB Central: Communication Systems Reference Curves

by Idin Motedayen-Aval Pilot Directed Continuous Sync of OFDM

by Dick Benson

MathWorks Book Program Contemporary Communication Systems

Using MATLAB and Simulink, 2e , Proakis/Salehi/Bauch

Digital Communications: A Discrete-Time Approach, Rice

Multirate Signal Processing for Communication Systems , Harris

Communications System Toolbox Demos US MIL-STD-188-110B Baseband

End-to-End Link IEEE 802.16-2004 OFDM PHY Link IEEE 802.11a WLAN Physical Layer

20

©2013 The Mathworks, Inc.

MathWorks DSP Package for the Zynq-7000 SoC/ Analog Devices Software-Defined Radio Kit Hardware Avnet ZedBoard 7020 Analog Devices AD-FMCOMMS1-EBZ FMC Module

Software MathWorks DSP Design Package MATLAB Simulink HDL Coder MATLAB Coder™ Fixed-Point Designer™ Signal Processing Toolbox™ DSP System Toolbox™

Xilinx ISE® WebPACK software Linux drivers and applications

software HDL source Reference designs

Ordering Information (North America) Part Number: AES-ZSDR-ADI-G-MATW-ANUL (Annual Term License) Part Number: AES-ZSDR-ADI-G-MATW-PERP (Perpetual License)

www.em.avnet.com/adizynqsdr Outside North America: Contact fpga_expert@mathworks.com

21

©2013 The Mathworks, Inc.

Visit the MathWorks Table in the Exhibition Room

Model-based design workflow for communications system design

MATLAB and Simulink

SimRF and other physical modeling tools

22

This demo board is available for purchase: www.analog.com/DC13-hardware