TD-SCDMA白皮书(西门子)

1. Executive Summary 2
2. TD-SCDMA: a 3G Radio Access Technology 5
2.1. What is TD-SCDMA? 5
2.2. TD-SCDMA is an Universal Standard for 3G/UMTS 7
2.3. The TD-SCDMA Market Opportunity 10
2.4. Industry Commitment to TD-SCDMA 13
3. Key Features of TD-SCDMA 16
3.1. 3G Services and Functionality 16
3.2. Outstanding Spectrum Efficiency 16
3.3. Support of all Radio Network Scenarios 18
3.4. An Easy Migration Path 18
3.5. Simple Network Planning 21
3.6. Seamless Interworking 22
3.7. Operator Benefits from TD-SCDMA 23
4. How does TD-SCDMA work? 24
4.1. Radio Channel Access 25
4.2. Joint Detection 28
4.3. Smart Antennas 30
4.4. Dynamic Channel Allocation 33
4.5. Terminal Synchronization 34
5. Terminals 35
6. Conclusions 37
Appendix A: Abbreviations 38
Appendix B: Main TD-SCDMA parameters 39
Appendix C: Contacts 39