11.1 INTRODUCTION
In Chapter 10, we looked at the possible architectures for mobile devices. We identified a basic software and hardware architecture that provided us with the essential capabilities that a mobile service would need from a mobile device. The device elements are shown in Figure 11.1.
In this chapter, we will consider the following ideas and concepts:
- Application topologies – J2ME, browser, embedded
- Service topologies – client/server, peer-to-peer, standalone
- Device networking architectures – Personal Mobile Gateways (PMG)
- Device networking technologies – Bluetooth, WiFi and infrared (IrDa)
- Device types – PDA, Smart Phone, laptops
- Platform options – Pocket PC, Symbian, Linux, Palm OS, others
- J2ME approach
- Interfaces and usability
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