WP 3.2. Commercial Mote Hardware Trade-off
-
Upload
ivana-jordan -
Category
Documents
-
view
30 -
download
2
description
Transcript of WP 3.2. Commercial Mote Hardware Trade-off
WP 3.2.Commercial Mote Hardware Trade-off
Surrey Space Centre, University of Surrey, UK
Christopher P. Bridges
Friday, 24th November 2006
WP3.2 - COTS Motes SSC Internal Meeting2 / 8
Agenda
Requirements Intrasatellite and Intersatellite
Comparison Hardware Communications Software/ Cost
Analysis Snapshot
Recommendations
WP3.2 - COTS Motes SSC Internal Meeting3 / 8
Requirements
Category Intrasatellite Intersatellite
Microcontroller Low power, low speed Low power, high speed
Memory Buffering/ storage while communications system is in use.
Temperature Inside spacecraft On the outside of the spacecraft
Carrier FrequencyNon interference with spacecraft
avionicsFlexibility for differing data rates
as lower data rates can go further
Communications Power Consumption
Low as possible
Data Rates Highest at possible
Range Less than 10m Over 1km
StandardsMesh, ad-hoc and multi-hop to for
cavity issuesMesh, ad-hoc and multi-hop in
between satellites
Software Supplied Performance, ease-of-use, reconfigurability
Cost Low as possible
WP3.2 - COTS Motes SSC Internal Meeting4 / 8
Comparison - Hardware
Company MicrocontrollerMemory(ROM/ RAM)
Temp
Millennial 2 x HCS08 (2.1V/40MHz) ? Industrial
Jennic JN5121 (2.2V/16MHz) 64k / 96k -40 to 85
DUST Networks M2030 (3V) ? -40 to 85
MicroDAQ ? (3V) 32k / 64k 0 to 50
Ember EM260 (3.3V/24MHz) ? -40 to 85
Zensys ZW0201 SoC (3.3V/16MHz) 2k/ 32k -30 to 85
Crossbow (Telos) MSP430 (3.3V/8MHz) 48k/ 1M -40 to 123.8
TinyNode MSP430 (3.3V/8MHz) 48k/ 1M -40 to 85
Sensinode MSP430 (3.3V/8MHz) 10k/ 4M ?
Microcontroller – Want the lowest power requirement.
Memory – Important for buffering/ storage whilst communications is in use.
Temp – Biggest band as possible.
WP3.2 - COTS Motes SSC Internal Meeting5 / 8
Comparison - Communications
Company FrequencyPower Consumption(Trans/ Rec/ Sleep)
Data Rates Range
Millennial 916M / 2.4G 35m/ 42m/ 6u 115 kbps 30m
Jennic 2.4G 45m/ 50m/ 14u ? 400m (>4km)
DUST Networks 900M/ 2.4G 20m/ 22m/ 10u 250 kbps 200m (>400m)
MicroDAQ 900M/ 2.4G ? ? 75m (>750m)
Ember 2.4G 20.7m/ 19.7m/ 0.5u 250 kbps 75m
Zensys 908M 23m/ 21m/ 2.5u ? 60m
Crossbow (Telos) 916M/ 2.4G 23m/ 21u/ >1u 250 kbps 100m
TinyNode 870M 33m/ 14m/ 1u 250 kbps 200m (>2km)
Sensinode 2.4G ? 250 kbps 100m
Frequency – Dependant on application. Lower frequencies travel further than the higher.
Power Consumption – Lowest as possible (dependant on hardware used).
Data Rates – Highest as possible.
Range – Dependant on application.
WP3.2 - COTS Motes SSC Internal Meeting6 / 8
Comparison – Software/ Cost
Company Standards SuppliedCostCost, no. of pieces, distrib
Millennial 802.15.4 MeshScape, API Lib $4500 for 9P (EU)
Jennic 802.15.4, ZigBee GNU Toolchain, MCU Lib $999 - 1299 for 5P (£305 UK)
DUST Networks 802.15.4 Network GUI, API Lib ? For 13P
MicroDAQ 802.15.4, ZigBee Network GUI for Control $2999 for 9P (US)
Ember 802.15.4 InSight GUI $2500 for 10P (UK)
Zensys None ZWave Protocol, API Lib ? (Asia)
Crossbow (Telos) 802.15.4 TinyOS + Assoc Progs £87 each / $780 for 10P (US)
TinyNode None TinyOS + Assoc Progs €609 for 5P (EU)
Sensinode 802.15.4, ZigBee Nanostack Protocol + API €2895 for 17P (EU)
Standards – Enabling different network topology options (e.g. multi-hop)
Supplied Software – What comes with the package?
Cost – Where can we buy from? Price per unit?
WP3.2 - COTS Motes SSC Internal Meeting7 / 8
Analysis Snapshot
WP3.2 - COTS Motes SSC Internal Meeting8 / 8
Recommendations
Intrasatellite Communications
Crossbow’s Telos Mote (1st/9) Low power, cheapest, 2.4GHz, large mem, best temp,
802.15.4/Zigbee
Intersatellite Communications
TinyNode (2nd/9) Large mem, ind temp, 870MHz, TinyOS, EU supplier
(€609) Jennic (4th/9)
4km range, small mem, ind temp, 2.4GHz, own software, UK supplier (£305)
WP3.2 - COTS Motes SSC Internal Meeting9 / 8
Millenial
Notes: Ready Made
MeshScape is a complete wireless sensor networking system that delivers OEMs and system integrators all of the software, hardware, and tools to quickly and cost-effectively develop and deploy embedded wireless sensor networking applications.
Applications: Ready made WSN solutions
WP3.2 - COTS Motes SSC Internal Meeting10 / 8
Jennic
Notes: Development
Telemetry and utilities(e.g. AMR)
Low cost evaluation platform for wireless sensor networks
Complete SDK and network stack
Unrestricted development environment
Ideal for application development and demonstration
Daintree Networks sensor network analyser package
IEEE802.15.4 packet sniffer and network test application
WP3.2 - COTS Motes SSC Internal Meeting11 / 8
DUST Networks
Notes: Industry
In the industrial automation, building automation, and defense markets
They are tailored for use in battery- and line-powered wireless devices for applications that demand proven performance, scalability, and reliability.
WP3.2 - COTS Motes SSC Internal Meeting12 / 8
MultiDAQ
WP3.2 - COTS Motes SSC Internal Meeting13 / 8
Ember
Notes: Topologies
Ember’s communications API facilitates the development of self-organizing, self-healing, peer-to-peer networks targeted to specific customer requirements. It contains libraries for EmberZNet’s mesh-, star-, and hybrid-networks. To achieve efficient messaging in complex networks, the communications API allows developers to build the most effective network for the application
WP3.2 - COTS Motes SSC Internal Meeting14 / 8
Zensys
Notes: Sensing
The ZW0201 is a complete System on Chip (SoC) and consists of an integrated RF transceiver, an 8051 microcontroller, flash and SRAM memory storage and a range of peripherals.
For battery-operated devices we are extremely pleased to inform you that ZW0201 has dramatically reduced its power consumption. It is now possible to create Z-Wave products such as sensors, remotes, door locks, etc. that can run for up to 10 years with 2 AAA batteries.
WP3.2 - COTS Motes SSC Internal Meeting15 / 8
Crossbow - Telos
Notes: Development
The TelosB Mote is an open-source platform designed to enable cutting-edge experimentation for the research community. This platform bundles all the essentials for lab studies: USB programming capability, IEEE 802.15.4 radio with integrated antenna, low power MCU with extended memory and an optional sensor suite. This platform is used primarily for low-power research development and wireless sensor network experimentation.
WP3.2 - COTS Motes SSC Internal Meeting16 / 8
TinyNode
Notes: Development
The TinyNode 584 is an ultra-low power OEM module that provides a simple and reliable way to add wireless communication to sensors, actuators and controllers.
TinyNode 584 is optimized to run TinyOS and packaged as a complete wireless subsystem with 19 configurable I/O pins offering up to 6 analog inputs, up to 2 analog outputs as well as serial interface.
WP3.2 - COTS Motes SSC Internal Meeting17 / 8
Sensinode
Notes: Development
Sensinode provides flexible wireless sensing prototype platforms and products based on the latest low-power wireless technologies.
ZigBee™-ready IEEE 802.15.4 communications using advanced Chipcon radios
Support for open-source solutions such as FreeRTOS, nanoIP, TinyOS and Linux
The Sensinode NanoStack™ provides a flexible open-source communication stack for Sensinodes along with monitoring and access tools for Windows and Linux PC's