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Mobile computing
This document discusses mobile computing and its expansion through Eclipse. It defines user and device mobility and examines the constraints of wireless devices and networks compared to traditional computing. Mobile computing aims to make the internet accessible through mobile devices in a compatible, transparent, scalable, and secure way. The document outlines various mobile and wireless applications and concludes that studying mobile computing can provide insights into wireless networks, access control, and security.
In this document
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Eclipse is expanding beyond traditional computing into mobile devices, broadening its reach.
Identifies two mobility types: User Mobility and Device Mobility, alongside a simplified mobile computing reference model.
Discusses limitations of wireless devices such as CPU power, memory, power consumption, and input options.
Highlights network challenges including bandwidth limitations, higher latency, connection stability issues, and availability.
Considers the potential of mobile computers in the Internet for global communication with millions of users.
Outlines essential mobile computing requirements: compatibility, transparency, scalability, efficiency, and security.
Lists various applications of mobile computing including vehicles, emergencies, business, and various mobile devices.
Emphasizes the importance of mobile computing in wireless networks and highlights areas of study like security.
Ends with a session for queries and credits the presenter.
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Mobile computing
- 2. “What it meansis Eclipse now gets to expand its footprint beyond the traditional computing environ ment, and it gets to reach out to the mobile device.
- 3. TWO KINDS OFMOBILITY: •USER MOBILITY •DEVICE MOBILITY
- 4. WHAT IS MOBILECOMPUTTING: •DEFECTOR STANDARD BY ITSELF •MAJOR PART OF WIRELESS COMMUNICATION TECHNOLOGY
- 5. Application Transport Network Data Link Network Network DataLink Data Link Physical Physical Application Transport Network Data Link Physical A SIMPLIFIED REFERENCE MODEL
- 6. The wireless devicesrepresent the ultimate constrained computing device with: •Less powerful CPUs, •Less memory (ROM and RAM) •Restricted power consumption •Smaller displays •Different input devices (e.g., a phone keypad, voice input, etc.)
- 7. On the networkside, wireless networks are constrained by •Less bandwidth •More latency •Less connection stability •Less predictable availability
- 8. Goals, assumptions, and requirements: TheInternet is the network for global data communication with hundreds of millions of users. So why not simply use a mobile computer in the Internet?
- 10.
- 11. APPLICATIONS: 1. Vehicles 2. Emergencies 3.Business 4. MOBILE AND WIRELESS DEVICES 5. Sensor: 6. Pager: 7. Mobile Phones: 8. Personal digital assistant: 9. Palmtop/pocket computer: 10.Notebook/Laptop:
- 12. CONCLUSION Mobile Computing andCommunications is useful for wireless Networks. The study of different versions will give differences between Mobile Computing and Communications, Access Control, Security etc.,
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