Radio frequency solutions integration

Goals

formation-objectifs-seointro Radio frequency solutions integration :

- Understand all the factors to consider when adding wireless radio transmission to electronic equipment

The aim of this training course is to:
- Be able to understand the specific characteristics of radio propagation
- Be familiar with current technologies and solutions on the market
- Have a good understanding of the environment and regulatory constraints specific to wireless solutions
- Analyse integration precautions in schematic design and CAD development
- Understand and master the issues and solutions involved in antenna design and integration

Program

1/ Basics and definitions

Radio transmission

Radio propagation & decibel

Radio propagation & balance

Radio propagation

Radio propagation: environmental losses

Radio propagation: multiple paths

Polarisation of a wave

2/ RF spectrum analyser + Demo

The spectrum analyser: pitfalls

Automatic RBW

ISM frequency bands: Sub-Giga (HF)

ISM frequency bands: Up-Giga (VHF-UHF)

ISM frequency bands: Up-Giga (SHF-EHF)

ISM frequency bands: Interest in specific bands

Prohibited bands

Technical solutions: Transmitter: Pilot & PLL

Technical solutions: Transmitter: Enemy of the VCO

Technical solutions: Transmitter: I/Q modulation – 1

Technical solutions: Transmitter: I/Q modulation – 2

Technical solutions: Receiver: I/Q demodulator

Technical solutions: Receiver: Homodyne synoptic

Technical solutions: Receiver: Mixer

Technical solutions: Receiver: Heterodyne synoptic

Impedance matching – 1

Impedance matching – 2

Impedance matching and Smith chart

Transmission lines & characteristic impedance

3/ Transmission lines Transmission lines & characteristic impedance Microstrip structure

Transmission lines & matching

S parameters

The vector network analyser

4/ Modulations, protocols & standards

Simple digital modulations

Digital filtering

Composite digital modulations

Protocols: Software stack

The typical radio frame

Error detection and management

Channel access and collisions

5/ Modulations, spectral congestion

NFC / RFID (nfc-forum) @ 13.56 MHz

Bluetooth 2.1 (bluetooth.com & org)

Bluetooth Low Energy

Bluetooth 4.2, 5

802.15.4 / Zigbee

802.11x: WIFI

LPD / ISM – The WMBus standard

Standards in force & subtleties…

6/ Standards, compliance & application

Regulatory hierarchy

Guiding texts: the main points of REC 70.03

Radio: EN 300-220

Radio: EN 300-328

Harmfulness & Health directive

Équipements sous « Authorisation to emit

EN 300-113 (v2.1.0) & various

Dedicated EMC Radio: EN 301-489-x (V3.1.0)

The Americas: FCC & derivatives

The Asian puzzle

7/ Technical solutions - Design

Chips or modules

Schematic integration of a transmitter

Inductors, quartz, SAW RX band filters

RF filtering of signals and power supplies

PCB CAD

Validation – Functional

Spectrum spreading - Basic principle

Spectrum spreading - FHSS, DSSS, OFDM

Improved link budget - Space diversity

Improved link budget - Polarisation diversity

Improved link budget – Frequency diversity

8/ Market solutions, Low power & LPWAN

Integrated solutions – Market overview

Integrated solutions – Component limitations

Integrated solutions – RF frequency reference

Integrated solutions – Key Specification Elements

Low Power Application

LPWAN / ISM @ 868 MHz

9/ Antennas

Integrated quarter-wave antennas

Integrated antennas

Printed antennas

Ceramic antennas

Design and simulation

Design: discrete antennas