文件名称：3gpp组织研究文档：HSPA LTE宽带演进
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更新时间：2013-10-16 04:00:12
Hspa LTE
This paper discusses the evolution of EDGE, HSPA enhancements, 3GPP LTE, the capabilities of these technologies, and their position relative to other primary competing technologies. The following are some of the important observations and conclusions of this paper INTRODUCTION ...................................................................................................... 3 BROADBAND DEVELOPMENTS ................................................................................ 5 WIRELESS DATA MARKET ....................................................................................... 8 Trends ................................................................................................................ 9 EDGE/HSPA/HSPA+ Deployment ........................................................................... 13 Statistics ........................................................................................................... 13 WIRELESS TECHNOLOGY EVOLUTION AND MIGRATION ....................................... 15 Technical Approaches (TDMA, CDMA, OFDMA) ........................................................ 15 3GPP Evolutionary Approach ................................................................................ 17 Spectrum .......................................................................................................... 20 Core-Network Evolution ....................................................................................... 22 Service Evolution ................................................................................................ 23 Broadband-Wireless Deployment Considerations ..................................................... 24 Feature and Network Roadmap ............................................................................. 25 COMPETING TECHNOLOGIES ................................................................................ 29 CDMA2000 ........................................................................................................ 29 WiMAX .............................................................................................................. 32 IEEE 802.20 ....................................................................................................... 35 Wi-Fi and Municipal Wi-Fi Systems ........................................................................ 35 COMPARISON OF WIRELESS TECHNOLOGIES ....................................................... 36 Data Throughput ................................................................................................ 36 HSDPA Throughput in Representative Scenarios ...................................................... 40 Release 99 and HSUPA Uplink Performance ............................................................ 41 LTE Throughput .................................................................................................. 42 Latency ............................................................................................................. 43 Spectral Efficiency .............................................................................................. 44 Cost, Volume and Market Comparison ................................................................... 52 Competitive Summary ......................................................................................... 54 CONCLUSION ........................................................................................................ 56 APPENDIX: TECHNOLOGY DETAILS ...................................................................... 58 EDGE ................................................................................................................ 58 Evolved EDGE .................................................................................................... 62 UMTS/HSPA Technology ...................................................................................... 70 UMTS Release 99 Data Capabilities ........................................................................ 72 HSDPA .............................................................................................................. 73 HSUPA .............................................................................................................. 76 Evolution of HSPA (HSPA+) .................................................................................. 78 HSPA Voice Support ............................................................................................ 84 3GPP LTE .......................................................................................................... 86 4G, IMT-Advanced and LTE Advanced .................................................................... 89 UMTS TDD ......................................................................................................... 90 TD-SCDMA ........................................................................................................ 91 IMS .................................................................................................................. 91 Broadcast/Multicast Services ................................................................................ 93 EPC/SAE............................................................................................................ 94 ACRONYMS ........................................................................................................... 96 ADDITIONAL INFORMATION .............................................................................. 100 REFERENCES ...................................................................................................... 100