移動ip書籍，很有用。
Third Generation (3G) mobile offers access to broadband multimedia services - and in the future most of these, even voice and video, will be IP-based. However 3G networks are not based on IP technologies, rather they are an evolution from existing 2G networks. Much work needs to be done to IP QoS and mobility protocols and architectures for them to be able to provide the functionality 3G requires.
S60-programming-a-tutorial-guide-symbian.
1 Introduction to Mobile-Phone Systems 1
1.1 Wireless Technologies 1
1.2 Cellular Systems 2
1.3 Elements of a Mobile-Phone System 4
1.4 Keeping Users’ Calls Separate 5
1.5 Multipath Propagation 7
1.6 2G Mobile-Phone Systems 9
1.7 GPRS Systems 10
1.8 3G Mobile-Phone Systems 13
1.9 IP Multimedia Subsystem 16
1.10 Mobile-Phone Hardware 17
2 Introduction to Symbian OS 19
Introduction 19
2.1 The Development of Symbian OS 20
2.2 Symbian OS User Interfaces 21
2.3 Coding Idioms 23
2.4 Tool Chains 28
3 The Console Application 33
Introduction 33
3.1 Creating a Console Application 33
3.2 CBase Classes 38
3.3 Protecting Memory 38
3.4 Putting It Into Practice: An Engine for a Simple
Card Game 46
Summary 56
