Mobile Computing Chapter 1

Advantages of Mobile Computing

• Offers location flexibility and enables work from anywhere
• Saves time and enhances productivity
• Facilitates ease of research and entertainment
• Enables streaming of business processes

Current Trends in Mobile Computing

• 3G, GPS, LTE, WIMAX, and NFC technologies are advancing mobile computing
• Emerging applications include web or internet access, GPS emergency services, entertainment services, and educational services

Limitations of Mobile Computing

• Insufficient bandwidth and poor security standards
• High power consumption and transmission interferences
• Potential health hazards and human interface issues with devices

Architecture of Mobile Computing

• Combines telephone and wireless communication technologies
• Cell phones are sophisticated radios that connect to the Mobile Telephone Switching Office (MTSO)
• MTSO handles phone connections to the land-based phone system and controls base stations

Cellular Approach

• Requires a large number of base stations in a city
• A typical large city can have hundreds of towers

Generations of Cellular Networks

• 1G, 2G, 3G, and 4G networks have evolved over time
• Each generation has improved speed, capacity, and services

Mobile IP

• Allows users to move between networks with the same IP address
• Ensures continuous communication without dropped sessions or connections
• Key mechanisms include agent discovery, agent registration, and tunneling

Mobile Computing Concepts

• Involves mobile communication, mobile hardware, and mobile software
• Enables transmission of data, voice, and video via wireless devices
• Mobile hardware includes portable laptops, smartphones, and tablets
• Mobile software is the operating system that runs on mobile hardware