Next Generation Networks: Mobile Data
Management Issues
Univ.Prof.Mag.Dr. Gabriele Kotsis [email protected] Institut f. Telekooperation Johannes Kepler Universität Linz
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Next Generation Networks
• Ubiquitous access• Miniaturized / embedded devices • Ambient interfaces
• New Applications • Challenges
– performance, security, accessibility, adaption
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Enabling Technologies: Wireless Networks
INFORMATION (bit/s) GROUP CALL BROADCAST CALL TELEPHONY STATUS SHORT DATA TRAFFIC DATA PACKET-DATA 9kb/s 28kb/s 144kb/s ISDN 2Mb/s 155Mb/s BISDN DATA GLOBAL CONTINENTAL INTERNATIONAL NATIONAL REGIONAL URBAN LOCAL SITE OFFICE INMARSAT-P GLOBALSTAR IRIDIUM ODYSSEY DECT GSM TETRA V+D & DMO HF/ METEOR BURST TETRA PAMR PMR & MOBITEX RD-LAP TACS ETACS MATS NMT CT2/3 Telepoint M O B IL IT Y SATELLITE DAWS UMTS VOICE DATA WiFi (802.11 a, b, g) HIPERLAN BT (IEEE 802.15) G . Ko ts is 4 /4 0
Enabling Technology: Digitizing media
• Your personal entertainment center[email protected] G . Ko ts is 5 /4 0
Enabling Technology: Digitizing the world
• embedding IT in objects of every day useIO-Brush, H. Ishii 2004 Mirror TV, Philips
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Enabling Technologies
Disc: 2000x CPU: 200x RAM: 110x Wireless: 11x Battery: 2x • Moore's Law[email protected] G . Ko ts is 7 /4 0
Smart Things
• Devices are – aware of user presence – sensitive, adaptive and responsive to users capabilities, needs, habits and emotions – accessible via intuitive interaction G . Ko ts is 8 /4 0Enabling Technology: UHCI
• Multimodal– Sensors
• visual, auditory, olfactory, gustatory, somatic stimuli, kinesthetic and
vestibular cues – Control
• mouth, face, eyes, (full) body, breath, biological reactions (heart rate, skin resistancy, muscle, neural activity, …)
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Enabling Technology: UHCI
Brain Computer Interface © TU Graz G . Ko ts is 1 0/ 40
Enabling Technology: UHCI
Forschungszentrum Karlsruhe, Tactile Display Kunsthochschule für Medien zu Köln
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Enabling Technology: UHCI
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devices and infrastructure
content and services
enabling
Setting requirements
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Application Domains
• Science • Economy • Public Sector• Education and Training • Entertainment • Socializing G . Ko ts is 1 4/ 40
Application Domains
• Science • Economy • Public Sector• Education and Training • Entertainment • Socializing • Added Value – Powerful Search – Collaboration – Presentation of Results – Scientific Computing
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Application Domains
• Science • Economy • Added Value – Remote Conferencing – Virtual Private Networks – Location independent DataAccess
– Integration of Business Processes across the value chain
After-Sales Transaction Negotiation Information Search products and services Price, sales conditions, terms of practice Payment, delivery, insurance Customer Support G . Ko ts is 1 6/ 40
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Application Domains
• Science • Economy • Public Sector • Added Value – BP Reengineering (ELAK) – Offering public servicesG . Ko ts is 1 8/ 40
Application Domains
• Science • Economy • Public Sector• Education and Training
• Added Value
– Personalised content – New ways of learning and
teachning
– “from the sage on the stage to the guide on the side”
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Wireless Campus: University of Linz
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MobiLearn
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Learning Spaces
• Seamless Location/Context Awareness
– Context awareness is ``the up-to-the moment knowledge a person requires about another group member's interaction with a share workspace if they are to collaborate effectively''.
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Application Domains
• Science • Economy • Public Sector• Education and Training
• Entertainment
• Added Value – online-gaming
– Higher quality on digital media consumer market – From consumers to
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Vienna City Marathon
• Sensor-Based Information Delivery
Access/ Delivery Services VCM Ergebnis-datenbank SMS Gateway G . Ko ts is 2 4/ 40
Application Domains
• Science • Economy • Public Sector• Education and Training • Entertainment
• Socializing
• Added Value
– Enrich quality of life – Participation
– From information media to communication media
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Killer applications
?
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• Performance improvements – Shorten response time – Increase throughput• From „best-effort“ to QoS guarantees – Supporting interactivity
– Synchronsiation of different media – Meet (near) Real Time constraints
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Performance Management
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• Technical Issues– Encryption, authentification, integrity, …, • Ethical and Legal Issues
– Privacy, Trust – Laws of Conduct
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Usability, Accessability
• IT should overcome barriers not create them – User-oriented devices – Ergonomic applications – Support in handling – Intuitive usage G . Ko ts is 3 0/ 40
Automated adaptation vs. user control
• Personalisation and adaptation are key features of mobile services and smart environments
– Enhance safety, ease usage, …
• To what degree should user stay in control – Bad example: „Do you really want to …“ – Good example: Automotive industry
