cindy19831223 2008-6-11 11:31
ITU-R M 1645
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【资料成文时间】: 2003
【语言】:英语
【页数】: 24
【何人(公司)所著】: ITU-R
【文件格式】: PDF
【文件原名】: RECOMMENDATION ITU-R M.1645
【摘要或目录】:
1Introduction
2Scope
3 Related Recommendations
4Considerations
4.1 User trends
4.1.1 Growing demand for mobile services
4.1.2 Trends in services and applications
4.2Framework
4.2.1 Objectives
4.2.2 Perspectives on the objectives
4.2.3 Coverage objectives
4.2.4 Future development of IMT-2000
4.2.5 New capabilities for systems beyond IMT-2000
4.2.6 Relationship of IMT-2000, systems beyond IMT-2000 and other access systems
4.2.7 Timelines
4.3 Technology trends
4.3.1 System-related technologies
4.3.2 Access network and radio interface
4.3.3 Utilization of spectrum
4.3.4 Mobile terminals
4.3.5 Applications
4.4 Spectrum implications
4.4.1 Preferred frequency bands
4.4.2 Bandwidth considerations 5Recommendations
5.1 Objectives
5.2 Framework of future work .
5.3 Focus areas for further study.
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