the tactile internet: where do we go from here? - zeitgeist lab · 2019-04-14 · edge sample...
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The Tactile Internet: Where Do We Go From Here?
University of South Florida, Tampa, April 17, 2019
Martin Maier
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IEEE/OSA JOCN Special Issue on Latency in Edge Optical Networks April 2019:
M. Maier and A. Ebrahimzadeh
“Towards Immersive Tactile Internet Experiences: Low-Latency FiWi Enhanced Mobile Networks With Edge Intelligence [Invited]”
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“A Robot in Every Home”
Bill Gates, 2007:
• Robotics industry is developing in much the same way as PC business did 30 years ago
• Vision: PC will get up
off the desktop & allow us to see, hear, touch and manipulate objects remotely
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“The Tactile Internet”
March 2014:
• G. P. Fettweis coins the term Tactile Internet: • “Enabling unprecedented mobile applications for tactile steering and control of real and virtual objects”
August 2014:
• ITU-T Technology Watch Report “The Tactile Internet”
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“The Tactile Internet”
March 2016:
• IEEE P1918.1 standards working group approved by IEEE Standards Association
• Definition of Tactile Internet: • “A network, or a network of networks, for remotely accessing,
perceiving, manipulating or controlling real and virtual objects or processes in perceived real-time.”
• Key use cases
• Teleoperation, haptic communications, and immersive virtual reality
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Tactile Internet
vs. IoT & 5G
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URLLC
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FiWi Enhanced 4G LTE-A HetNets
MU: Mobile User HO: Human Operator TOR: Teleoperator Robot
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WiFi Connection Time of MUs
• CCDF of WiFi
connection time of MUs fits truncated Pareto distribution:
• Verified by using comprehensive smartphone traces of PhoneLab data set
100 101 102 103 104 10510−2
10−1
100
WiFi Connection time (sec)
CC
DF
P(X≥
x)
PhoneLab DataTruncated Pareto Distribution
H. Beyranvand, M. Lévesque, M. Maier et al., “Toward 5G: FiWi Enhanced LTE-A HetNets With Reliable Low-Latency Fiber Backhaul Sharing and WiFi Offloading,” IEEE/ACM Transactions on Networking, vol. 25, no. 2, pp. 690-707, April 2017
!!!
1− !!
! ∙ !! !!! , 0 < ! ≤ ! ≤ !
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URLLC in FiWi Enhanced 4G LTE-A HetNets
H. Beyranvand, M. Lévesque, M. Maier et al., “Toward 5G: FiWi Enhanced LTE-A HetNets With Reliable Low-Latency Fiber Backhaul Sharing and WiFi Offloading,” IEEE/ACM Transactions on Networking, vol. 25, no. 2, pp. 690-707, April 2017
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 10
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
PCtemporal
MUk
Off
load
ing
effic
ienc
y
Delayed offloading (D=120 min)Delayed offloading (D=20 min)Delayed offloading (D=2 min)On−the−spot offloading (D=0 min)
0 50 100 15010−4
10−3
10−2
10−1
100
101
Aggregate Throughput (Mbps)
Ave
rage
end−t
o−en
d D
elay
(sec
)
FiWi LTE−A, WOR=0.1 ( Analysis)FiWi LTE−A, WOR=0.1 ( Simulation)FiWi LTE−A, WOR=0.57 ( Analysis)FiWi LTE−A, WOR=0.57 ( Simulation)FiWi LTE−A, WOR=0.9 ( Analysis)FiWi LTE−A, WOR=0.9 ( Simulation)
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Teleoperation & Haptic Communications
Edge Sample Forecast (ESF) via AI Enhanced MEC
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ESF: Multi-Layer Perceptron (MLP)
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Haptic Traffic: Packet Interarrival Times
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Haptic Traffic: Packet Interarrival Times
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Haptic Trace Driven Simulations
Local teleoperation w/ and w/o deadband
coding
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NG-PON Backhaul
Non-local teleoperation
across different NG-PON
backhaul infra- structures
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ESF: Forecasting Accuracy
Haptic traces used to train
MLP based ESF to perceive remote task environment
in real-time at 1-ms granularity
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Intelligent Machines: Classification
Task Type Human Support
Repetitive Task
Automation
Context Awareness
and Learning
Self-Aware Intelligence
Analyze numbers
Business intelligence,
data visualization, hypothesis-
driven analytics
Operational analytics,
scoring, model management
Machine learning,
neural nets
Not yet
Digest words, images
Character and speech
recognition
Image recognition,
machine vision
Watson, natural
language processing
Not yet
Perform digital tasks (admin and decisions)
Business process
management
Rules engines, robotic process
automation
Not yet Not yet
Perform physical
tasks
Remote operation
Industrial robotics,
collaborative robotics
Fully autonomous
robots, vehicles
Not yet
T. H. Davenport and J. Kirby, “Only Humans Need Apply: Winners and Losers in the Age of Smart Machines,” HarperBusiness, May 2016.
Ability to act (vertical)
vs. Ability to learn
(horizontal)
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HABA/MABA
• Traditional humans-are-better-at/machines-are-better-at (HABA/MABA) design approach
• Only divides up work
between humans and machines
“Human Engineering for an Effective Air Navigation and Traffic Control System,” National Academy of Sciences,
1951.
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Human-Machine Collaboration
Weak human + Machine + Better process
superior to Strong human + Machine +
Inferior process
A clever process beats superior knowledge &
superior technology
From AI to IA (Intelligence Amplification)
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Human-Agent-Robot Teamwork (HART)
Basic Idea: “Keep Human in the Loop” • Treating human as a “member” of a team of intelligent
machines for a race with (rather than against) machines
Goals: • Design of human-machine coordination processes • Drive symbiotic human-robot development in search for
synergies • Enabling automation and/or augmentation of physical and
cognitive human tasks
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Physical Task Allocation Using Self-Awareness
HART-centric task coordination
based on shared use of
user- and networked-
owned robots
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Spreading Ownership
Minimizing
completion time of physical tasks
by spreading ownership of robots across
MUs
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Decentralization
Decentralized blockchain
technologies used to realize blockchain IoT
(B-IoT)
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Ethereum: DAOs vs. AI & Robots
Decentralized Autonomous Organizations (DAOs)
• Salient feature of Ethereum • Open-source, distributed
software that executes smart contracts
• Unlike autonomous AI based agents, DAOs by design heavily rely on involvement from humans at the edges (“crowdsourcing”)
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Decentralizing the Tactile Internet
Smart Contracts
Help establish/maintain trusted HART membership
Crowdsourcing Nearby HOs help finalize physical tasks when k haptic feedback samples are misforecast