Adaptive PHY-MAC design for broadband wireless systems / / Ramjee Prasad, CTIF, Aalborg University, Denmark, Suvra Sekhar Das, IIT-Kharagpur, India, Muhammad Imadur Rahman, Ericsson Research, Sweden

• Record Nr.: UNINA9910464187803321
• Autore: Prasad Ramjee
• Pubbl/distr/stampa: Aalborg, Denmark : , : River Publishers, , [2010]; ©2010
• ISBN: 87-93102-31-3
• Descrizione fisica: 1 online resource (517 p.)
• Collana: River Publishers series in communications ; ; volume 10
• Altri autori (Persone): DasSuvra Sekhar; RahmanMuhammad Imadur
• Soggetti: Wireless communication systems; Electronic books.
• 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""