Wireless Testbed Activity

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Wireless Testbed Activity

• June 27, 2007

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Wireless Networks Driving Force

• Wireless Terminal Evolution
• Versatility ? No need to find killer applications
• Game, voice call, video streaming, documentation,
  remote meeting,

Laptop
PC
Ultimate Terminal
Versatility
UMPC
PDA
Cell phone
Mobility
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Wireless Testbed Activity

• Testbed in FIND, GENI

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Wireless Subnet in GENI (Global Environment for
Network Innovations)
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Wireless Subnet in GENI
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Wireless Subnet in GENI (Vision)

• Scenario A Individual Wireless Devices
  Interfacing with the Internet (Mobile
  Computing)
• Service models
• Mobile services, Hot-spot services with limited
  mobility
• Cached content delivery via opportunistic
  wireless links
• High mobility (intermittent connectivity)
• Heterogeneity of radio access
• Examples
• Seamless video streaming through
  indoor(wifi)-outdoor(3G)-car(BT)
• Media player Streaming server are aware of
  connectivity options
• Supporting context-queries, delay-tolerant
  services
• Caching of files within high-speed zone for rapid
  download

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Wireless Subnet in GENI (Vision)

• Scenario B Constellations of Wireless Devices
  (Ad-hoc Nets)
• Service models
• Multiple radio devices in proximity collaborate
  by forming an ad-hoc network
• Examples
• Office device collaboration for coverage, signal
  quality improvement
• Automobile device collaboration for telematics
  (collision avoidance, traffic flow management,
  entertainment)
• Rooftop device collaboration i.e. community mesh
  networks for sharing broadband internet access

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Wireless Subnet in GENI (Vision)

• Scenario C Pervasive Systems and Sensor
  Networks (Sensor Nets)
• Service models
• Sensor/actuator systems for real-time control of
  physical world objects
• Similar to ad-hoc nets but limited processing
  power, memory, energy
• Examples
• Sensor fabric with direct Internet access
• Mobile sensor platforms (body equipped sensors)

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Wireless Subnet in GENI (Key Features)

• Naming and Addressing Flexibility
• Mobility Support
• Location Services
• Self-Organization and Discovery
• Security and Privacy
• Decentralized Management
• Cross-layer Protocol Support
• Sensor Network Integration
• Vehicular Network Integration
• Cognitive Radio Network
• Economic Incentives

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Wireless Emulation Subnet

• Facilities for repeatable protocol validation of
  a quantitative nature (cost, time-effective)
• Integrating NSF-funded emulators (wireless,
  mobile, sensor)
• Emulab _at_ Utah, ORBIT _at_ Rutgers, Kansei _at_ Ohio,
  Sensor net (Havard)

PlanetLab
Whynet
Emulab
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Urban Mesh/Ad-hoc Network

• Real-world protocol experience with emerging
  short-range radios
• Promise of providing lower-cost broadband access
  in urban areas (1000 open API routers, 10 km2,
  100 vehicular node)

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Wide-area Suburban Wireless Network

• Open-access cellular 3G/WiMax radios for
  wide-area coverage along with 802.11 radios for
  hotspot (hybrid service models)
• Cellular protocol stacks(GSM, CDMA, 3G) are
  expected to migrate towards an open Internet
  protocol model
• One or more wide-area experimental networks (10
  open API 3G/WiMax BS, 100 802.11 AP, 50 km2)

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Sensor Networks

• Experimental access to a small number of selected
  sensor net deployments which leverage the
  urban/suburban wireless infrastructure
• Research on both protocols and applications
• Sensor deployment Kit to enable users to build
  additional networks for specific research

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Wireless Testbed Activity

• Testbed in FIRE

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Future Internet Research and Experimentation
(http//cordis.europa.eu/fp7/ict/fire)
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Onelab
(http//www.one-lab.org)

• Onelab is an open networking laboratory
  integrating, testing, validating and
  demonstrating new fixed and wireless networking
  technologies in real world settings and
  production environments

Extend
Onelab
Extend PlanetLab into new environments, beyond
the traditional wired internet WiMAX, UMTS,
ad-hoc, multihomed, emulated network
Deepen
Deepen PlanetLabs monitoring capabilities Passive
monitoring, topology monitoring
Federate
Provide a European administration for PlanetLab
nodes in Europe
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Pan-European Laboratory for Next Generation
Networks and Services
(http//www.panlab.net)

• The Pan-European laboratory is based on the
  concept of federation of distributed test
  laboratories and testbeds that are interconnected
  and provide access to required platforms,
  networks and services for broad interoperability
  testing
• Vision for long-term end-to-end testing

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Wireless Testbed Activity

• Wireless Mesh Testbed

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MIT RoofNet

• Overview
• 802.11b/g testbed to provide broadband Internet
  access
• 20 active nodes in Cambridge (from 50 nodes)
• Real-time connectivity map
• Made all software available for public use (using
  madwifi)
• Latest Activities
• Tent city
• Located in south end of Boston
• 30 nodes mounted in window-side
• Central square
• 30 Netgear nodes (in progress)
• meraki.com
• Meraki Mini (49, 99)

2005
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firetide

• A leading company in commercial mesh networking
• Latest activity
• Public Safety Mesh Network
• 4.9GHz (4.944.99 GHz ) for exclusive use
• HotPort 6000 series
• Dual-radio (2.4GHz / 5GHz(or 4.9GHz))

Outdoor Indoor
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Microsoft Mesh Networking

• Overview
• 802.11 a/g indoor testbed
• 23 Laptops running Windows XP
• Microsoft Mesh Networking
• Community-based multi-hop wireless networking
• Cooperating neighbors
• Cost-effective Internet access
• MCL (Mesh Connectivity Layer)
• Virtual network adaptor
• Layer 2.5
• LQSR (Link Quality Source Routing)
• On Windows XP

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UCSB MeshNet

• Overview
• Deployed on the campus of UCSB
• 25 nodes equipped with multiple 802.11 a/b/g
• Linksys WRT 54G (with AODV)
• Research testbed to design protocols and systems
• MeshViz (real-time display of network metrics)
• Visualization tool
• Current state of the network
• Easy Good look
• Macromedia Flash
• Network Script

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Rutgers ORBIT

• Overview
• The ORBIT radio grid emulator is an indoor
  wireless network testbed
• To achieve reproducibility of wireless channel
  models
• 400 802.11 a/b/g
• 5.45M/4yr grant from the NSF
• Collaborations (NY/NJ region)
• Rutgers, Columbia, Princeton
• Bell Labs, IBM Research, Thomson
• Radio parameters
• RSSI, TX power, noise
• Throughput, offered-load
• The number of frame retransmissions

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Other Mesh Testbeds

• Berlin Roof Net
• Very similar to MIT RoofNet, but indoor
• 2 tiers (BRN router, STA nodes)
• From user to user (ad hoc network)
• BRN network is like a huge virtual ethernet
  switch
• Purdue University Wireless Mesh Network Testbed
• 32 nodes indoor/outdoor testbed
• HP Pentium small form factor desktops
• Directional/Omni-directional antennas
• SMESH at Johns Hopkins University
• Seamless fast handoff to mobile clients across
  the mesh
• Indoor 14 nodes deployment

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Wireless Testbed Activity

• Non-Wireless Mesh Testbed

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Fokus Testbed Open IMS (IP Multimedia
Subsystem) Playground

• Group Competence Center Next Generation Network
  Infrastructures, Fraunhofer Institute FOKUS
• Objective Create a reference service delivery
  platform for provisioning IP multimedia services
  in a reliable, secure, and controllable manner
  and adopted as the basis of the NGN architecture
• Unique Feature
• Addresses network convergence challenges and
  end-user requirements
• Unifies telecommunication industry approach
  toward an "All-IP" network architecture
• Merges the paradigms and technologies of the
  Internet with the cellular and fixed
  telecommunication worlds
• Provides vendor-independent NGN/IMS test
  environment
• Prototyping of new NGN/IMS related components,
  protocols, and applications
• Proof-of-concept implementation
• Conformance and Interoperability Testing

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SignetLab testbed

• Group Signet Lab, University of Padova, Italy
• Objective Deploy non-specialized low maintenance
  sensor network for testing new protocols.
• Unique Feature
• OS Platform independent fine grain control
  capable management tool
• Composed of 48 EyesIFXv2 nodes
• A USB link for power as well as data backplane
  usage
• Real time information can be obtained without
  interfering with wireless environment
• Remarks
• Analysis of the testbed provides insight into the
  impact of physical deployment on its
  functionality
• Provides a design and deployment of a typical
  sensor network with lessons leaned

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Kansei A High-Fidelity Sensing Testbed

• Group The Ohio State University
  (www.cse.ohio-state.edu/kansei/)
• Objective Large scale sensor network deployment
  with an infrastructure that combines attributes
  of both domain- and platform-specific testbed
• Unique Feature
• Heterogeneous hardware infrastructure
• Dedicated node resources for local computation,
  storage, data retrieval, and back-channel
  communication
• Experimentation support includes job scheduling
  at multiple tiers
• Remarks
• Provides 3 physical domain sensing platforms
  stationary, portable and mobile
• Director collects data and schedules task for
  multi-users and multi use of the testbed
• Validates applications at the beginning of the
  development phase

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NATO Testbed

• Group NATO Consultation Command and Control
  Agency
• Objective Deploy a military communication and
  information system on commercial off-the-shelf
  (COTS) equipment
• Unique Feature
• Conversed all-IP backbone
• Very high availability, Command and Control (C2)
  capabilities
• Able to combine the ability to use open-standards
• Able to tailor the design to different deployment
  scenarios
• Low-cost, small and lightweight, easy to
  environmentally-harden product
• Remarks
• Ring topologies based on dual redundant rings
• Finalize a product ready for industrialization

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Real-Life Service-Oriented Testbed

• Group CREATE-NET, Italy
• Objective Make target users an integral part in
  validating services in real environment develop
  a model for a community network (LivingLab)
• Unique Feature
• Collection of the most advanced communications
  technologies
• Wide area DWDM optical backbone, WiMAX Wi-Fi
  wireless access networks
• sensor networks and technologies for smart spaces
• Implemented on a real-life city-wide
  communication infrastructure deployed in the city
• Real-life broadband pervasive environment for
  HW/SW research
• Possibility of testing promising technologies
• Transfer them into business opportunities
• Remarks
• Interoperability and multi vendor support
• Reliability, hard QoS, scalability,
  multi-services support

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UH-ToSS A Sensing Networking Testbed

• Group University of Houston in collaboration
  with NASA
• Objective To provide a mechanism to assess
  networking architectures, smart sensor
  capabilities and standardization procedures
• Unique Feature
• Off-the-shelf plug-and-play sensor verification,
  testing and evaluation
• Implementation metrics and requirements for
  monitoring and evaluation
• Assessment of the flexibility and integrability
  of different sensor systems
• Consists of off-the-shelf IEEE 1451 compatible
  smart components
• Remarks
• Compliance with NASA mission and operational
  standard
• Heterogeneous plug and playable smart sensor
  network usage

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MagNets

• Group Deutsche Telekom Laboratories, Technical
  university of Berlin
• Objective Joint research-operational wireless
  access network testbed that offers connectivity
  to students, but still allows for experimental
  deployment of new protocols
• Unique Feature
• Heterogeneity along several dimensions
• Nodes featuring multiple wireless interfaces
  802.11, FlashOFDM, 802.16, UMTS and Bluetooth
• Diverse link characteristics
• Nodes with varying degrees of processing and
  storage capabilities
• Interconnection of multiple mesh networks
• Remarks
• Strategic and organic deployment
• Flexibility and extensibility
• Describes a cookbook for testbed deployment

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Media Streaming Architecture for Heterogeneous
Wireless Environment

• Group Budapest University of Technology and
  Economics, Department of Telecommunications
• Objective To provide streaming media services in
  a heterogeneous environment where the subscribers
  are roaming among different wired/wireless access
  networks including ADSL, WiFi, 2.5G and 3G
  cellular and WiMAX
• Unique Feature
• Advanced mobility management
• Adaptation to different network and device
  capabilities
• Digital rights management and flexible quality
  based billing
• Vertical handover capability across a wide range
  of loosely-coupled access networks
• Efficient location management
• Handling wide variety of mobility.
• Transparent and seamless handovers.
• Infrastructure-less solution

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Hybrid Testbed for Cognitive Radio Networks

• Group New Generation Wireless Communications
  Research Center, National Institute of
  Information and Communications Technology, Japan
• Objective Cognitive radio (CR) testbed with the
  ability to deal with sensitive radio components
  to verify low-level protocols and functions on CR
  terminals.
• Unique Feature
• Terminals communicate using both real CR devices
  and those virtually configured in the sensing
  environment
• Stacks from MAC/PHY to the application layer are
  programmable
• Physical layer is either configured as a real CR
  device or as a virtual module with a cognitive
  component
• Uses IEEE802.21 media-independent handover
  standard
• Remarks
• To be used by local users remote users via the
  Internet

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MeshTest Laboratory-Based Wireless Testbed for
Large Topologies

• Group Laboratory for Telecommunications
  Sciences, US Department of Defense
• Objective Supporting mobile, ad-hoc, and mesh
  environments. Capability of creating much more
  diverse multi-hop network topologies with
  complete reproducibility for new protocol
  testing.
• Unique Feature
• Nodes kept in RF-shielded enclosures
• Antennas replaced with cables that connect
  wireless devices to matrix switches
• Devices can be interconnected with arbitrary
  attenuation.
• The switches can be reconfigured on the order of
  milliseconds, changing connections and
  attenuations
• Remarks Improving the simulated annealing
  implementation, focusing on faster, closer
  approximations for appropriate attenuator
  settings for RF matrix switches