Emprego de Rádio Definido por Software em projetos de cubesats e

estações de terra

Professor Dr Elói Fonseca

UNESP

Evolução na Comunicação

Spectrum Deregulation

Software-defined Radio

Cognitive Radio

Drives

All Spectrum May Be Assigned, But…

…Most Spectrum Is Unused!

XG is Developing the Technology and System Concepts to Dynamically Access Available Spectrum

DARPA XG Program

Goal: Demonstrate Factor of 10 Increase in Spectrum Access

Maximum Amplitudes

Frequency (MHz)

Am

pli

du

e (

dB

m)

Heavy UseHeavy Use

Sparse UseSparse Use

Heavy UseHeavy Use

Medium UseMedium Use

Space Communications

• SDR permite o emprego de novos protocolos ao mesmo tempo que protocolos convencionais

FLOCK-X SMDC-ONE US ARMY

BIOSENTINEL NASA LUNAR ICE CUBE

Projeto SPORT

Ground Stations

• SDR permite o emprego de novos protocolos ao mesmo tempo que protocolos convencionais em estações de terra.

FUNCUBE

RTL-SDR

Deep Space Communications

• SDR permite o emprego de novos protocolos ao mesmo tempo que protocolos convencionais

Standards drive development (IEEE 1901 - Draft)

Rádio Cognitivo requer flexibilidade e inteligencia

Exemplo: Plataformas de desenvolvimento SDR

Spartan 6 + 4 ports (TXA, TXB,RXA and RXB)

FMC card with 4 ports (TXA, TXB,RXA and RXB) Compatible SP-601G and ML-605

Exemplo: Plataformas de desenvolvimento SDR

SP601G Spartan 6

ML-605 Virtex 6

Resultados Obtidos

Resultados Obtidos

Testes modulação Apoio LABGE ITA

Testes demodulação Apoio LABGE ITA

Possiveis Aplicações

Fluxo projeto (PDCA)

• Requisitos

• Tecnologias disponíveis / Reusabilidade

• Projeto

• Testes

• Revisão e melhorias

Red Star denotes Space related revisions to DoDI 5000.02 (08 Dec 2008)

New Space Acquisition Policy Acquisition Management System Revisions

Materiel Solution

Analysis

Technology Development

Engineering & Manufacturing

Development

Production &

Deployment

Operations & Support

Material

Development

Decision

Post SDR

Assessment

Follow

On Buy

Approval

SDR/SFR PDR CDR

A B C IOC FOC

IPA IPA

SRR

IPA

Technology

Development

Strategy (TDS)

Approval

(w/Space related

provisions)

Acquisition

Strategy

Approval

JROC

CDD

JROC

CPD Initial

CDD

JROC

ICD

IPA

Surrey S-Band transceiver card

• RF frequency range: 2025 to 2100 MHz • <3 KHz synthesiser Drift • Data rate: 9.6 Kbps or 19.2 Kbps • Modulation: CPFSK • Noise figue: <8.5dB • Mass : 1.3Kg • Power consumption : 1.5 W at 28V • Dimensions : 190 x 135x 60 mm • Design Lifetime (LEO) : 7+ years • Operating temperature range: -20º C to +50º C • Interfaces: 50 ohm RF interface (SMA ); 44-pin DD

(Data/Clock/TMTC), CAN Bus TMTC interface, TTL, LVDS

Surrey S-Band transceiver card Heritage

• ALSAT-1, UK-DMC-1, BILSAT-1, • NigeriaSat-1, TOPSAT, Beijing-1, • CFESAT, GIOVE-A (ESA), RapidEye (x5), Deimos-1, UK-DMC-

2, NigeriaSat-2, NigeriaSat-X, Sapphire, exactView-1, • KazEOSat-2 ( 2014) • TechDemoSat-1( 2014), • DMC3 constellation ( Launched 2015), • NovaSAR ( Launching 2016) • CSIRO (Fedsat) • USAFA (FalconSat-2) • Third party mission ( Launching 2015)

L-3 Cadet Nanosatellite Radio DICE-1 DICE-2

Dynamic Ionosphere CubeSat Experiment

Constellation Data Flow for HiDEF 90 Small Satellites

10 km spatial sampling 55 Mbits/day 2 GBytes onboard storage

L-3 Cadet Nanosatellite Radio

• Low power design for minimum consumption

• Up to 22 Mbps data rates, depending of configuration

• Store and forward architecture

• Scalable software-defined architecture

BITBEAM BBSDR High Speed Software defined Radio

• X-Band TX • Frequency Range 8.1~8.5Ghz • Psat 35dBm • Power Consumption <12.3W • S-Band RX • Frequency Range 2.0~2.1Ghz • Noise Figure 1.2dB • Power Consumption 430 - 490 mW • S-Band(ISM) TX • Frequency Range 2.4~2.5Ghz • Psat 34dBm • Power Consumption <10.6W • S-Band(ISM) RX • Frequency Range 2..4~2.5Ghz • Noise Figure 1.2dB • Power Consumption 430 – 490 mW

BITBEAM BBSDR High Speed Software defined Radio

• SDR Specs

• Channel bandwidth up to 50Mhz

• Arbitrary IQ Generation: 2-FSK, OOK, MSK, GFSK, BPSK, QPSK,

• 8-PSK, 16-QAM, 32-APSK, OQPSK, FM, AM, etc…

• 200+Mbps data rates possible with 32-APSK.

• Software Interface

• Onboard Processor running Linux OS

• RS-485/RS-232/USB/LVDS/SPI/ETHERNET interfaces

• GPIO ports for sensors and command signals

• Can run GNUradio onboard

• Bitrates & packet protocols configurable on-air

• FEC programmable by user

• Encryption programmable by user

CSR-SDR-S/S Vulcan Wireless Inc

• The CSR-SDR-S/S is a fully integrated

• full duplex software defined radio transponder

• Universal Space Network (USN) Certified

• Integrated full duplex S-Band transponder

• <1/2 U CubeSat form factor

• Programmable Frequency and Waveforms

• NSA Type-1 Encryption or software based encryption available

• TDRS, USB Waveforms and Coherent Turn Around and Ranging

• Compatible with NASA NEN and DSN

• Non-ITAR versions available

• Slated to fly on 7 LEO spacecraft missions between late 2015 and early 2016

CSR-SDR-U/U Vulcan Wireless Inc

• The CSR-SDR-U/U is a UHF transceiver for spacecraft communications

• Programmable Software Defined Radio Architecture

• Direct to War Fighter Communications

• <1/4 CubeSat form factor

• Half duplex/Full Duplex Configurations

• Integrated AES 256 Encryption

• On orbit flight heritage

NSR-SDR-MUOS Vulcan Wireless Inc

• The NSR-SDR-MUOS is a fully integrated full duplex MUOS and Legacy UHFSATCOM software defined radio

• Software Defined Radio Architecture • Spread Spectrum/Anti-Jam Waveforms • NSA Suite B Encryption • Direct to War Fighter Communications • 1/2U CubeSat form factor • Half duplex/Full Duplex Configurations • Integrated high performance GPS

LPR-SDR-S/S Vulcan Wireless Inc

• The LPR-SDR-S/S is a fully integrated full duplex software defined radio transponder

• Integrated full duplex S-Band transponder

• <1/2 U CubeSat form factor

• Programmable Frequency and Waveforms

• TRRS, USB Waveforms and Coherent Turn Around

• Compatible with NASA NEN and DSN

• NSA Type-1 Encryption or software based encryption available

ORS-SDR-U/U Vulcan Wireless Inc

• The ORS-SDR-U/U is a fully integrated full duplex software defined radio with an S-Band transceiver

• Programmable Software Defined Radio Architecture

• Integrated NSA Certified Type-1 Encryption

• Direct to War Fighter Communications

• 1/2U CubeSat form factor

• Half duplex/Full Duplex Configurations

• On orbit flight heritage

ORS-SDR-U/U Vulcan Wireless Inc

• The ORS-SDR-U/U is a fully integrated full duplex software defined radio with an S-Band transceiver

• Programmable Software Defined Radio Architecture

• Integrated NSA Certified Type-1 Encryption

• Direct to War Fighter Communications

• 1/2U CubeSat form factor

• Half duplex/Full Duplex Configurations

• On orbit flight heritage

EWC 27 HDR-TM X Band Transmitter Syrlinks

• X-band transmitter can transmit up to 13.3 GB per pass with a 5 m station, designed for LEO CubeSat & Nanosatellites

• Up to 13.3 GB per pass can be downloaded on a 5 m station or 5,8 GB per pass on a 3,4 m station.

• High DataRate TeleMetry - Up to 100 Mbps

• 2 years life-time LEO missions

• Observation & Scientific payloads

X Band HDR TM transmitter for LEO satellites Syrlinks

• EWC30 is the second generation of Syrlinks X Band transmitter to answer to an increasing demand of high data rate transmission, and extended missions in orbit up to 7.5 years in LEO (Low Earth Orbit).

• EWC30 Class 3 (& EWC30-II Class 2) is a reliable, high performance & low power consumption X Band (8GHz) Transmitter, which was developed by Syrlinks for downloading telemetry on small platforms.

• EWC30 fully compliant to ECSS-Q-ST-60C Class 3 standard, and based to space qualified components.

SWIFT SDR

SWIFT SDR

Comentários Finais

• Reuso – palavra chave

• Flexibilidade e modularidade

• Disponibilidade de tecnologia

• Integração

• Ferramentas de desenvolvimento

• Ponto Chave: capacitação de pessoal

• Oportunidade tecnologica e comercial

• Visão estratégica

Contatos

• Eloi Fonseca – Maj R1

• Professor Doutor na UNESP-Rosana

• +551832849200 R 9297

• +5512981393422

• eloi@rosana.unesp.br