About the Series Editors. | |
Preface. | |
Introduction | |
Trends inMobileCommunication | |
Mobileapplicationsandservices | |
Radio interface technologies | |
Standardization | |
Trends inSpectrumUsage | |
Physicalpropertiesof radiospectra | |
Spectrumallocationandidentification | |
SpectrumAllocation:Why and How | |
Utilization of Radio Frequencies | |
SpectrumUsageOverview | |
Spectrum Management by ITU | |
Radio Communication Services | |
Radio Communication Systems | |
Spectrum Requirement Calculation for IMT-2000 | |
Model | |
Input Parameters | |
Methodology | |
Sequel to the Story | |
Spectrum Requirement Calculation for IMT-Advanced | |
Overview | |
Models and Input Parameters | |
Methodology | |
Summary of Methodology for IMT-Advanced | |
Calculation Tool Package | |
Description and Use of Software Tool | |
Front Sheet of Software Tool | |
Inputs to Software Tool | |
IntermediateCalculationSteps | |
Outputs from Software Tool | |
Market Data (Marja Matinmikko and Mitsuhiro Azuma). | |
Collection of Market Data | |
Use of Market Parameters in the Methodology | |
AnalysisofCollectedMarketData | |
Example Input Market Parameter Value Set | |
Radio-Related Input Parameters | |
RAT Group Approach | |
Use of Radio Parameters in the Methodology | |
Example Input Radio Parameter Value Set | |
Numerical Examples | |
Packet Size Statistics and QoS Requirements | |
Traffic Demand Derived from Market Data | |
TrafficDistribution Ratios | |
Offered Traffic per RAT Group and Radio Environment | |
Required System Capacity | |
Required Spectrum | |
Capacity Dimensioning to Meet Delay Percentile Requirements | |
Delay Percentile Evaluation | |
ServiceTimeDistributionin IP-BasedCommunicationSystems | |
Waiting Time Distribution in M/G/1 Queues | |
Delay DF Approximation | |
Accuracy of Gamma and H2 Approximations | |
Impact of Percentile Requirements on System Capacity | |
Conclusion | |
Epilog: Result ofWRC-07 (Hitoshi Yoshino). | |
Appendices. | |
Appendix A Derivation of Formulas by Queueing Theory (Hideaki Takagi). | |
Erlang-B Formula for a Loss System | |
Erlang-C Formula for a Delay System | |
Multidimensional Erlang-B Formula | |
Two classes of calls with single server occupation | |
Several classes of calls with multiple server occupation | |
M/G/1 Nonpreemptive Priority Queue | |
Example Market Study Parameter Values. | |
List of Acronyms and Symbols. | |
Acronyms | |
Symbols | |
ITU-R Documents and Web Sites. | |
ITU-R Recommendations | |
ITU-R Reports | |
Other ITU-RDocuments | |
WebSites | |
Bibliography. | |
Index. | |
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