Adaptive PHY-MAC Design for Broadband Wireless Systems / / Ramjee Prasad, Suvra Sekhar Das, and Muhammad Imadur Rahman

• Record Nr.: UNINA9910789139803321
• Autore: Prasad Ramjee
• Pubbl/distr/stampa: Gistrup, Denmark : , : River Publishers, , [2010]; ©2010
• ISBN: 1-00-333696-5; 1-000-79562-4; 1-003-33696-5; 1-000-79230-7; 87-93102-31-3
• Descrizione fisica: 1 online resource (517 p.)
• Collana: River Publishers series in communications ; ; volume 10
• Disciplina: 621.384
• Soggetti: Wireless communication systems
• Lingua di pubblicazione: Inglese
• Formato: Materiale a stampa
• Livello bibliografico: Monografia
• Note generali: Description based upon print version of record.
• Nota di bibliografia: Includes bibliographical references.
• Nota di contenuto: ""Cover""; ""Contents""; ""Dedication""; ""Preface""; ""Acknowledgement""; ""List of Figures""; ""List of Tables""; ""List of Abbreviations""; ""1 Introduction""; ""1.1 Growth of Subscribers""; ""1.2 Technology Evolution""; ""1.2.1 2G to 3G""; ""1.2.2 Beyond 3G""; ""1.2.3 3.5G""; ""1.2.4 3rd Generation Partnership Project-Long Term Evolution""; ""1.2.5 4G""; ""1.3 Motivation: Requirements for 4G""; ""1.4 Focus of This Book""; ""1.5 Organization of the Book""; ""2 Wireless Channel, Multicarrier Systems and Cellular Architecture""; ""2.1 Physical Characteristics of Multipath Channels""; ""2.1.1 Multipath Scenario""""2.1.2 Doppler Effect""; ""2.1.3 Shadow Fading or Shadowing""; ""2.1.4 Propagation Path Loss""; ""2.2 The Benefit of Using Multicarrier Transmission""; ""2.3 OFDM""; ""2.3.1 OFDM Fundamentals""; ""2.3.2 Parameters Values for OFDM Based Standards""; ""2.4 Multi-User OFDM Systems""; ""2.4.1 Orthogonal Frequency Division Multiple Access""; ""2.4.2 OFDMA Based Standards""; ""2.5 Multi-Antenna OFDM Systems""; ""2.5.1 Multi-Antenna and Diversity""; ""2.5.2 Multi-Antenna and Spatial Multiplexing""; ""2.5.3 Usability of Multi-Antenna Techniques in OFDM Systems""; ""2.6 Cellular Architecture""""2.6.1 Frequency Re-Use""; ""2.6.2 System Capacity and Interference""; ""2.6.3 Percentage Area Coverage""; ""3 Adaptive Subcarrier Bandwidth""; ""3.1 Adaptive Subcarrier Bandwidth in TDM-OFDM""; ""3.1.1 System Description""; ""3.1.2 Analytical Model""; ""3.1.3 Algorithm for Adaptive Bandwidth for Subcarriers""; ""3.1.4 Results and Discussion""; ""3.1.5 Conclusion""; ""3.2 OFDMA Framework""; ""3.2.1 Analytical Model""; ""3.2.2 Results and Discussion""; ""3.2.3 Conclusion""; ""3.3 Summary""; ""4 Variable Guard Interval""; ""4.1 Introduction""; ""4.2 System Description""""4.3 Required GI""; ""4.4 Performance and Discussion""; ""4.5 Conclusion""; ""5 Hybrid Multicarrier Spread Spectrum""; ""5.1 Subcarrier Hopping Multicarrier Spread Spectrum""; ""5.1.1 Introduction""; ""5.1.2 System Description""; ""5.1.3 Analytical Model""; ""5.1.4 Simulation Results and Discussion""; ""5.1.5 Conclusion""; ""5.2 MC-SS with Receiver Impairments""; ""5.2.1 Introduction""; ""5.2.2 System Description""; ""5.2.3 Simulation Environment, Results and Discussion""; ""5.2.4 Conclusion""; ""5.3 Summary""; ""6 Coordinated Subcarrier and Band Hopping in OFDMA Systems""""6.1 Introduction""; ""6.2 Multiple Access (or Channelization) Approach""; ""6.3 User Grouping""; ""6.4 Subcarrier and Band Hopping Strategies""; ""6.5 Transceiver Structure""; ""6.6 Hopping Sequence Design""; ""6.6.1 Facts in Downlink""; ""6.6.2 Design Goal""; ""6.6.3 Assumptions""; ""6.6.4 Physical Considerations""; ""6.6.5 Sequence Design Preliminaries""; ""6.6.6 Slow Band Hopping (SBH)""; ""6.6.7 Fast Band Hopping (FBH)""; ""6.6.8 Sub Carrier Hopping (SCH)""; ""6.6.9 Implementation of Hopping Mechanism""; ""6.7 System Level Simulation""
• Sommario/riassunto: This book will answer questions such as, how individual techniques relate to each other, how can we benefit the gains by suitable combinations of different technologies and how to choose different technological solutions in different scenarios, etc.