Info
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 networks 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
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| Cham : , : Springer International Publishing : , : Imprint : Springer, , 2016 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
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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 networks 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 |
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Wen Miaowen
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| Cham : , : Springer International Publishing : , : Imprint : Springer, , 2017 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
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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 |
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Bai Lu
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| Cham : , : Springer International Publishing AG, , 2024 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
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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 |
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Chen Chen
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| Cham : , : Springer International Publishing : , : Imprint : Springer, , 2020 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
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