Energy Efficiency of Mobile Handsets

7/31/2019 Energy Efficiency of Mobile Handsets

1/19

Energy efficiency ofmobile handsets:Measuring userAttitudes and

behavior

PLATAFORMAS E SERVIOS

PARA CIDADES INTELIGENTES:

Aluno: Yuri Santos de Souza

Telematics and Informatics


2/19


3/19

Introduction

Battery and Energy efficiency didnt developed asthe same pace as the actual demands.

Understand user behavior and expectationsregarding energy consumption.

Developing new technical solution:

Energy-efficient applications and devices.

Make energy consumption explicit to user to adjusthis behavior to a proactive energy consumption

way.


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Questionaries:

Users opinion can beasked for all kinds ofissues.

Users may givemisleading answers.

Two differentdatasets (web-based).

Approach 1


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Monitoring: Battery level at event.

Battery level falling.

User action.

Application launches. Software for Nokia

Symbian S60 ThirdEdition.

Approach 1


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7/19

Pervasive computingat scale:

Transforming the

state of the art

PLATAFORMAS E SERVIOS

PARA CIDADES INTELIGENTES:

Aluno: Yuri Santos de Souza

Pervasive and mobilecomputing


8/19


9/19

Introduction of intelligent and pervasive solutionsat large scale (community level).

Multi-disciplinary research field that includesHCI\MMI, machine learning, data mining, mobilesystems, wireless and sensor networks, computing

paradigms, smart environments, security andprivacy, signal processing, foundations (algorithms,stochastic control theory, information theory,game theory, optimization techniques),psychology, sociology, and social networking.

Results in the improvement of the humanexperience and quality of life without explicitawareness of the underlying technologies.

Focus on sensing, interacting with and aiding.

Whats PeCS?


10/19

Wide-spread of miniaturization and low-cost building

portable devices. Diversities in appearance, capabilities, portability and use.

Fairly fast\robust communication of mobile phones.Countries like Bosnia lack roads but they have facebook

More than 1billion people are expected to accessed webservices via smartphones by 2015.

Applications are demanding more user time and attention.In the US its considered that statistically 85% of children have smartphones against 73% that own books.

Technology designers need to keep the dynamics whendealing with everyday life applications.

Increase of the security and privacy issues.

Lack of energy alternatives for pervasive devices. (evenwith the energy harvest).

Hazardous trash.

PeCS current stand


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Models of individual and group behavior

PeCS devices

PeC apps

Cloud Computing

Energy analysis and harvesting

PeCS on human factors

PeCS support

Subfields on PeCS


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Wide variety of sensors at a large scale

deployment.

Data mining has the important role of seek bitsand pieces of relevant information from data tobuild data models and understand human

behavior (machine learning). Human movement patterns, recognition of

activities, gestures, detection of abnormalbehavior, physiological and psychological states.

Research topics: Large scale data sets.

Capturing context.

Learning from large, noise data sets.

Models of individual and group behavior


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Diversity and capabilities of the devices.

Physical objects can be enhanced withcomputational and communications elements.

Manufacture tiny inexpensive sensors.

Reserarch topics:

Objects ecosystems.

Smart objects application

PeCS devices


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PeCS finds application in almost every aspect ofhuman life.

Great demand for Smart Health, duo to the agingof population.

Assistive technology to scale in a way that meets

or exceeds this growing demand. Reduces health care and rehospitalization costs,

improve independence and quality of homesettings as well.

Research topics:

Ubiquous access to health information and demand.

Delivering time interventions.

Predictive assessment and prevention.

Security of work environment.

PeCS apps


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Limitation of mobile phones and sensors in storagecapacity and compute power.

Electronic waste.

Research topics:

Cloud accessibility.

Mobile clouds

Cloud Computing


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Problem of powering thousands pervasive devicesof everyday scenario

Recharge fact implies that de devices are nolonger invisible to user.

Limited battery capacity.

Scavenge energy such as solar radiation, wind,vibrations, radio frequency transitions, thermalgradients...

Lack of harvesting techniques for micro-scaledevices.

Research topics:

Basic concepts.

Efficient power extraction.

Efficient\sustainable resource management.

Energy analysis and harvesting


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Solution for the privacy, security, ethics, andhuman interfaces as they move forward in thisarea.

Research topics:

Security and privacy.

Interfaces to field applications.

HCI.

PeCS on human factor


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The scalability support for large computingpervasive scenarios.

Research topics: Context awareness

Scalable middleware.

PeCS support


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Partnerships with multiple professionals such aseconomists, psychologists, social scientists,sociologists, and so on...

And will contribute to the improvement of manyareas as well.

Its necessary a interdisciplinary study to integrateall the information and apply the knowledge ofPeCS.

PeCS challenges and opportunities

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Energy Efficiency of Mobile Handsets