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Cooperative OFDM Underwater Acoustic Communications / / by Xilin Cheng, Liuqing Yang, Xiang Cheng
Cooperative OFDM Underwater Acoustic Communications / / by Xilin Cheng, Liuqing Yang, Xiang Cheng
Autore Cheng Xilin
Edizione [1st ed. 2016.]
Pubbl/distr/stampa Cham : , : Springer International Publishing : , : Imprint : Springer, , 2016
Descrizione fisica 1 online resource (116 p.)
Disciplina 621.389
Collana Wireless Networks
Soggetto topico Signal processing
Image processing
Speech processing systems
Computer communication systems
Acoustical engineering
Data structures (Computer science)
Signal, Image and Speech Processing
Computer Communication Networks
Engineering Acoustics
Data Structures and Information Theory
ISBN 3-319-33207-4
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Introduction -- Underwater Acoustic Channel Models -- Short-Range Adaptive RA-UAC -- Medium-Long Range Asynchronous Relay Selection Protocol for RA-UAC -- Energy-Efficient Hybrid Decomposed LT Codes for RA-UAC -- Effective ICI Cancellation for OFDM Transmissions in RA-UAC -- Conclusions and Future Directions.
Record Nr. UNINA-9910254242203321
Cheng Xilin  
Cham : , : Springer International Publishing : , : Imprint : Springer, , 2016
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Index Modulation for 5G Wireless Communications / / by Miaowen Wen, Xiang Cheng, Liuqing Yang
Index Modulation for 5G Wireless Communications / / by Miaowen Wen, Xiang Cheng, Liuqing Yang
Autore Wen Miaowen
Edizione [1st ed. 2017.]
Pubbl/distr/stampa Cham : , : Springer International Publishing : , : Imprint : Springer, , 2017
Descrizione fisica 1 online resource (X, 154 p. 56 illus.)
Disciplina 621.382
Collana Wireless Networks
Soggetto topico Signal processing
Image processing
Speech processing systems
Computer communication systems
Electrical engineering
Signal, Image and Speech Processing
Computer Communication Networks
Communications Engineering, Networks
ISBN 3-319-51355-9
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Introduction -- Space-Domain Index Modulation -- Space-Time Domain Index Modulation -- Frequency Domain Index Modulation -- Conclusions and Future Directions.
Record Nr. UNINA-9910159371303321
Wen Miaowen  
Cham : , : Springer International Publishing : , : Imprint : Springer, , 2017
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Propagation Characterization and Channel Modeling for UAV Communications
Propagation Characterization and Channel Modeling for UAV Communications
Autore Bai Lu
Edizione [1st ed.]
Pubbl/distr/stampa Cham : , : Springer International Publishing AG, , 2024
Descrizione fisica 1 online resource (234 pages)
Altri autori (Persone) HuangZiwei
ChengXiang
Collana Wireless Networks Series
ISBN 3-031-57503-2
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Intro -- Preface -- Contents -- Acronyms -- 1 UAV Communications and Channel Modeling -- 1.1 Overview of UAV Communications -- 1.2 Overview of Propagation Channel Modeling -- 1.3 Propagation Characteristics of UAV Communications -- 1.4 Organization of the Monograph -- References -- 2 Time Stationary RS-GBSM for UAV Narrowband Channels -- 2.1 Introduction of UAV Channel Measurement and Modeling -- 2.2 3D Geometry-Based Stochastic Model -- 2.2.1 For SB-U Rays -- 2.2.2 For SB-G Rays -- 2.2.3 For SB-GR Rays -- 2.3 Simulations and Discussions -- 2.3.1 Expressions of Channel Statistical Properties -- 2.3.1.1 Space-time Correlation Function -- 2.3.1.2 Doppler PSD -- 2.3.1.3 Envelope LCR -- 2.3.1.4 Envelope AFD -- 2.3.2 Numerical Results and Analysis -- 2.4 Summary -- References -- 3 Time Non-Stationary RS-GBSM for UAV Narrowband Channels -- 3.1 Introduction of Time Non-Stationary Channels -- 3.2 3D Geometry-Based Stochastic Model -- 3.3 Simulations and Discussions -- 3.3.1 Expressions of Channel Statistical Properties -- 3.3.1.1 Space-time Correlation Function -- 3.3.1.2 Doppler Power Spectral Density -- 3.3.1.3 Envelope Level Crossing Rate -- 3.3.1.4 Envelope Average Fade Duration -- 3.3.2 Corresponding Non-stationary UAV-MIMO Channel Simulation Models -- 3.3.2.1 Deterministic Simulation Model -- 3.3.2.2 Stochastic Simulation Model -- 3.3.3 Numerical Results and Analysis -- 3.4 Summary -- References -- 4 Time Non-stationary RS-GBSM for UAV Wideband Channels -- 4.1 Introduction of Wideband Channels -- 4.2 Single Concentric-Cylinders Model -- 4.3 Simulations and Discussions -- 4.3.1 Expressions of Channel Statistical Properties -- 4.3.1.1 Space-Time-Frequency Correction Function -- 4.3.1.2 Space-Doppler Power Spectral Density -- 4.3.2 Corresponding Non-stationary Simulation Models for UAV Wideband Channels -- 4.3.2.1 Deterministic Simulation Model.
4.3.2.2 Stochastic Simulation Model -- 4.3.3 Numerical Results and Analysis -- 4.4 Summary -- References -- 5 Time-Space Non-stationary IS-GBSM for UAV Wideband Channels -- 5.1 Introduction of Massive MIMO Channels and Time-Space Non-stationarity -- 5.2 3D Twin-Cluster Based UAV Channel Model -- 5.2.1 LoS Component -- 5.2.2 NLoS Component -- 5.3 UAV-Related Time-Space Non-stationary Algorithm -- 5.3.1 UAV-Related Array Cluster Evolution Calculation -- 5.3.2 UAV-Related Time Cluster Evolution Calculation -- 5.3.3 UAV-Related Space-Time Cluster Evolution Algorithm -- 5.4 Simulations and Discussions -- 5.4.1 Expressions of Channel Statistical Properties -- 5.4.1.1 Space-Time-Frequency Correlation Function -- 5.4.1.2 Doppler Power Spectral Density -- 5.4.1.3 Envelope Level Crossing Rate -- 5.4.1.4 Envelope Average Fade Duration -- 5.4.2 Numerical Results and Analysis -- 5.5 Summary -- References -- 6 T-S-F Non-stationary IS-GBSM with 3D Continuously Arbitrary Trajectory and Self-rotation -- 6.1 Introduction of Massive MIMO and mmWave Channels and Time-Space-Frequency Non-Stationarity -- 6.2 UAV Channel Model with 3D Continuously Arbitrary Trajectory and Self-rotation -- 6.2.1 LoS Component -- 6.2.2 NLoS Component -- 6.2.3 Geometrical Relationship of Transmission -- 6.3 UAV-Related Time-Space-Frequency Non-stationary Algorithm -- 6.3.1 Frequency Non-stationary Modeling Based on Correlated Clusters -- 6.3.1.1 Classification of Correlated Cluster Groups -- 6.3.1.2 Determination of Correlation Coefficient Between Clusters -- 6.3.2 Space Non-stationary Modeling of UAV Channels -- 6.3.3 Time Non-stationary Modeling of UAV Channels -- 6.3.4 Steps of T-S-F Non-stationary Modeling Algorithm -- 6.4 Simulations and Discussions -- 6.4.1 Expressions of Channel Statistical Properties -- 6.4.1.1 Space-Time-Frequency Correlation Function.
6.4.1.2 Doppler Power Spectral Density -- 6.4.1.3 Power Delay Profile -- 6.4.1.4 Stationary Interval -- 6.4.2 Numerical Results and Analysis -- 6.5 Summary -- References -- 7 Mixed-Bouncing Based IS-GBSM for UAV Wideband Channels -- 7.1 Introduction of Mixed-Bouncing Transmission -- 7.2 Mixed-Bouncing Based UAV Channel Model -- 7.2.1 LoS Component -- 7.2.2 NLoS Component -- 7.2.2.1 Cluster Density Index -- 7.2.2.2 Single-Bouncing Component Through Single-Clusters -- 7.2.2.3 Multi-Bouncing Component Through Twin-Clusters -- 7.3 Mixed-Bouncing Based T-S-F Non-stationary Algorithm -- 7.3.1 Space-Time Non-stationary Modeling from the Perspective of Single-Clusters -- 7.3.2 Space-Time Non-stationary Modeling from the Perspective of Twin-Clusters -- 7.3.3 Mixed-Bouncing Based Frequency Non-stationary Modeling -- 7.4 Simulations and Discussions -- 7.4.1 Expressions of Channel Statistical Properties -- 7.4.1.1 Space-Time-Frequency Correlation Function -- 7.4.1.2 Doppler Power Spectral Density -- 7.4.2 Numerical Results and Analysis -- 7.5 Summary -- References -- 8 T-S-F Non-Stationary IS-GBSM with Time-Space Consistency for UAV Wideband Channels -- 8.1 Introduction of Time-Space Consistency -- 8.2 Mixed-Bouncing Based UAV Channel Model with 3D Continuously Arbitrary Trajectory and Self-Rotation -- 8.2.1 3D Self-Rotation of UAV and Continuously Arbitrary Trajectory of Transceivers and Clusters -- 8.2.2 LoS Component -- 8.2.3 NLoS Component -- 8.2.3.1 Single-Bouncing Component with Single-Clusters -- 8.2.3.2 Multi-Bouncing Component with Twin-Clusters -- 8.2.4 Ground Reflection Component -- 8.3 UAV-Related T-S-F Non-stationary Algorithm with Time-Space Consistency -- 8.3.1 UAV-Related Space-time Non-stationary Modeling with Time-Space Consistency -- 8.3.2 UAV-Related Frequency Non-stationary Modeling -- 8.3.3 Steps of the Proposed UAV-Related Algorithm.
8.4 Simulations and Discussions -- 8.4.1 Expressions of Channel Statistical Properties -- 8.4.1.1 Space-time-frequency Correlation Function -- 8.4.1.2 Doppler Power Spectral Density -- 8.4.1.3 Stationary Interval -- 8.4.2 Numerical Results and Analysis -- 8.5 Summary -- References -- 9 Conclusions and Future Research Directions -- 9.1 Conclusions -- 9.1.1 Discussions and Summary of Chap.1 -- 9.1.2 Discussions and Summary of Chap.2 -- 9.1.3 Discussions and Summary of Chap.3 -- 9.1.4 Discussions and Summary of Chap.4 -- 9.1.5 Discussions and Summary of Chap.5 -- 9.1.6 Discussions and Summary of Chap.6 -- 9.1.7 Discussions and Summary of Chap.7 -- 9.1.8 Discussions and Summary of Chap.8 -- 9.2 Future Research Directions -- 9.2.1 Channel Measurement Perspective -- 9.2.2 Channel Modeling Perspective -- References.
Record Nr. UNINA-9910865248903321
Bai Lu  
Cham : , : Springer International Publishing AG, , 2024
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Resource Allocation for OFDMA Systems / / by Chen Chen, Xiang Cheng
Resource Allocation for OFDMA Systems / / by Chen Chen, Xiang Cheng
Autore Chen Chen
Edizione [1st ed. 2020.]
Pubbl/distr/stampa Cham : , : Springer International Publishing : , : Imprint : Springer, , 2020
Descrizione fisica 1 online resource (XI, 132 p. 36 illus., 15 illus. in color.)
Disciplina 384.5
621.384
Collana Wireless Networks
Soggetto topico Wireless communication systems
Mobile communication systems
Electrical engineering
Wireless and Mobile Communication
Communications Engineering, Networks
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto 1. Introduction -- 2. Overview of OFDMA and MIMO Systems -- 3. Remarks on Resource Allocation -- 4. Resource Allocation for OFDMA Systems -- 5. Dealing with Imperfect CSI -- 6. Summary and Outlook.
Record Nr. UNINA-9910366588203321
Chen Chen  
Cham : , : Springer International Publishing : , : Imprint : Springer, , 2020
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui