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Advances in multi-channel resource allocation : throughput, delay, and complexity / / Bo Ji, Xiaojun Lin, Ness B. Shroff
| Advances in multi-channel resource allocation : throughput, delay, and complexity / / Bo Ji, Xiaojun Lin, Ness B. Shroff |
| Autore | Ji Bo <1982-, > |
| Pubbl/distr/stampa | [San Rafael, California] : , : Morgan & Claypool, , 2017 |
| Descrizione fisica | 1 online resource (132 pages) : illustrations (some color) |
| Disciplina | 384.54524 |
| Collana | Synthesis lectures on communication networks |
| Soggetto topico | Radio resource management (Wireless communications) |
| Soggetto non controllato |
multi-channel
wireless networks resource allocation scheduling utility maximization throughput delay low-complexity performance guarantee CSMA |
| ISBN | 1-62705-983-0 |
| Formato | Materiale a stampa  |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
1. Overview --
2. Intra-cell scheduling -- 2.1 Introduction -- 2.2 A simple system model -- 2.3 Pitfalls of the classical MaxWeight policy -- 2.4 Queue-length-based approaches -- 2.5 Delay-based approaches -- 2.6 Intuition of achieving optimality -- 2.7 Rate-function delay optimality -- 2.7.1 Assumptions on the arrival processes -- 2.7.2 Upper bound on the delay rate-function -- 2.7.3 Sufficient condition of rate-function delay optimality -- 2.7.4 Dominance property: frame-based scheduling and perfect matching -- 2.7.5 Vector matching in bipartite graphs -- 2.7.6 Proof sketch of rate-function delay optimality -- 2.8 Throughput optimality -- 2.8.1 Optimal throughput region -- 2.8.2 Sufficient condition of throughput optimality -- 2.9 Scheduling policies -- 2.9.1 Rate-function delay-optimal policies (DWM and DWM-n) -- 2.9.2 Throughput-optimal policies (DWM and d-MWS) -- 2.9.3 Low-complexity hybrid policies -- 2.10 Near-optimal delay rate-function -- 2.10.1 Delay-based server-side greedy -- 2.10.2 Main result and intuition -- 2.10.3 Equivalence property: delay-based queue-side-greedy -- 2.11 Simulations -- 2.12 Conclusion -- 3. Network-wide scheduling -- 3.1 Introduction -- 3.2 Single-channel solutions based on MaxWeight -- 3.2.1 A simple network model -- 3.2.2 The MaxWeight algorithm -- 3.2.3 Low-complexity approximations to MaxWeight -- 3.2.4 Single-channel CSMA algorithms -- 3.3 Using multiple channels -- 3.3.1 Independent CSMA chains across channels -- 3.3.2 Complementary schedules across channels: a departure from -- MaxWeight -- 3.3.3 What to do if there is only one physical channel? -- 3.3.4 The notion of delay -- 3.3.5 Utility-maximization vs. throughput-maximization -- 3.4 Multi-channel CSMA algorithm -- 3.5 throughput/delay/complexity analysis -- 3.5.1 Utility optimality -- 3.5.2 Delay performance -- 3.5.3 Computational complexity and communication overhead -- 3.5.4 VMC-CSMA under exogenous packet arrivals -- 3.6 Implementation -- 3.7 Performance evaluation -- 3.8 Inter-cell coordination in OFDM systems -- 3.8.1 Model for an OFDM multi-cell system -- 3.8.2 Distributed algorithms based on multi-channel Gibbs sampling -- 3.9 Conclusion -- 3.10 Additional notes -- Bibliography -- Authors' biographies. |
| Record Nr. | UNINA-9910151959403321 |
Ji Bo <1982-, >
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| [San Rafael, California] : , : Morgan & Claypool, , 2017 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
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Advances in Rotating Electric Machines
| Advances in Rotating Electric Machines |
| Autore | Cruz Sérgio |
| Pubbl/distr/stampa | Basel, Switzerland, : MDPI - Multidisciplinary Digital Publishing Institute, 2020 |
| Descrizione fisica | 1 electronic resource (486 p.) |
| Soggetto topico | History of engineering & technology |
| Soggetto non controllato |
core saturation
cross-coupling inductance wound synchronous machines (WSM) signal injection position sensorless high-frequency model hybrid permanent magnet interior permanent magnet (IPM) machine magnet-axis-shifted reluctance torque Sensorless induction motors H_infinity drives vector control experimental implementation direct torque control duty cycle control harmonic currents six-phase induction motor torque ripple interior permanent magnet synchronous motor (IPMSM) sensorless control adaptive algorithm super-twisting sliding mode observer (STO) phase-locked loop (PLL) permanent-magnet vernier machine in-wheel direct-drive outer rotor overhang soft magnetic composite reaction sphere spherical motor structural design torque density optimization support vector machines finite element method induction motor smart-sensor stray flux time-frequency transforms wavelet entropy harmonic modeling method magnetic-geared machine hybrid electric vehicle magnetic field electromagnetic performance analytical modeling brushless DC motor commutation torque ripple back electromotive force multiphase machines fault-tolerance dual-channel brushless direct current motor with permanent magnet (BLDCM) switched reluctance motor (SRM) active flux stator flux observation super-twisting sliding-mode stator flux observer (STSMFO) deep-bar effect mathematical model estimation motor drives direct torque control (DTC) permanent magnet synchronous motor (PMSM) maximum torque per ampere (MTPA) operation DTC with space-vector modulation (DTC-SVM) AFPMSM analytical algorithm vibration noise temperature field analysis SynRM irreversible demagnetization PMa-SynRM flux intensifying deadbeat current control PMSM servo motor drives auto tuning parameter identification periodic controller surface permanent magnet synchronous motor fault-tolerant system multi-channel quad-channel operation (QCO) triple-channel operation (TCO) dual-channel operation (DCO) single-channel operation (SCO) permanent magnet brushless direct current motor BLDCM double Fourier analysis current spectrum decomposition eddy current loss permanent magnet machine design cogging torque permanent magnet machine uneven magnets IPMSM uncertainty and disturbance estimator flux-weakening control double-cage induction motor improvement of motor reliability cage winding constructions direct start-up coupled electromagnetic-thermal model outer rotor inductor electric vehicle high-efficiency eco-friendly automation finite element analysis PMSM DOE optimization metamodeling adaptive robust control energy feedback particle swarm optimization torque optimal distribution method multiphase electric drives six-phase machines finite control set model predictive control predictive current control predictive torque control high frequency square-wave voltage interior permanent-magnet synchronous motor (IPMSM) magnetic polarity detection rotor position estimation characteristics analysis fault detection stator fault rotor fault torque estimation finite control set mode predictive control duty cycle maximum torque per ampere permanent magnet synchronous motor acoustics boundary element method electric machines magneto-mechanics modeling noise vibro-acoustics efficiency line-start synchronous reluctance motor permanent magnet power factor multiphase induction motor space harmonics time harmonics injection high-speed permanent synchronous motor magnetic field characteristic iron loss stator structure online parameters estimation permanent magnet synchronous machines synchronous reluctance machines high frequency signal injection CMV modulation techniques PWM railway traction drives induction motor drives high-speed drives overmodulation and six-step operation electrical motors sot filling factor optimization algorithm windings magnetic wire filling factor optimization electric drive transmission shaft electric transmission line electrical and mechanical similarities kinematic structure equivalent circuit mathematical modelling failure detection diagnosis BLDC brushless systematic review rotor position BLDC motor sensor misalignment sizing methodology electrical machines thermal model electromagnetic model switched reluctance motor torque sharing functions firing angle modulation autonomous systems brushless synchronous generator electric power generation high speed generator high resistance connection fault-detection fault-tolerant control six-phase permanent magnet synchronous machines field-oriented control |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Record Nr. | UNINA-9910674057703321 |
|
Cruz Sérgio
|
||
| Basel, Switzerland, : MDPI - Multidisciplinary Digital Publishing Institute, 2020 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Advances in Rotating Electric Machines : Volume 2
| Advances in Rotating Electric Machines : Volume 2 |
| Autore | Cruz Sérgio |
| Pubbl/distr/stampa | Basel, Switzerland, : MDPI - Multidisciplinary Digital Publishing Institute, 2020 |
| Descrizione fisica | 1 electronic resource (398 p.) |
| Soggetto topico | History of engineering & technology |
| Soggetto non controllato |
core saturation
cross-coupling inductance wound synchronous machines (WSM) signal injection position sensorless high-frequency model hybrid permanent magnet interior permanent magnet (IPM) machine magnet-axis-shifted reluctance torque Sensorless induction motors H_infinity drives vector control experimental implementation direct torque control duty cycle control harmonic currents six-phase induction motor torque ripple interior permanent magnet synchronous motor (IPMSM) sensorless control adaptive algorithm super-twisting sliding mode observer (STO) phase-locked loop (PLL) permanent-magnet vernier machine in-wheel direct-drive outer rotor overhang soft magnetic composite reaction sphere spherical motor structural design torque density optimization support vector machines finite element method induction motor smart-sensor stray flux time-frequency transforms wavelet entropy harmonic modeling method magnetic-geared machine hybrid electric vehicle magnetic field electromagnetic performance analytical modeling brushless DC motor commutation torque ripple back electromotive force multiphase machines fault-tolerance dual-channel brushless direct current motor with permanent magnet (BLDCM) switched reluctance motor (SRM) active flux stator flux observation super-twisting sliding-mode stator flux observer (STSMFO) deep-bar effect mathematical model estimation motor drives direct torque control (DTC) permanent magnet synchronous motor (PMSM) maximum torque per ampere (MTPA) operation DTC with space-vector modulation (DTC-SVM) AFPMSM analytical algorithm vibration noise temperature field analysis SynRM irreversible demagnetization PMa-SynRM flux intensifying deadbeat current control PMSM servo motor drives auto tuning parameter identification periodic controller surface permanent magnet synchronous motor fault-tolerant system multi-channel quad-channel operation (QCO) triple-channel operation (TCO) dual-channel operation (DCO) single-channel operation (SCO) permanent magnet brushless direct current motor BLDCM double Fourier analysis current spectrum decomposition eddy current loss permanent magnet machine design cogging torque permanent magnet machine uneven magnets IPMSM uncertainty and disturbance estimator flux-weakening control double-cage induction motor improvement of motor reliability cage winding constructions direct start-up coupled electromagnetic-thermal model outer rotor inductor electric vehicle high-efficiency eco-friendly automation finite element analysis PMSM DOE optimization metamodeling adaptive robust control energy feedback particle swarm optimization torque optimal distribution method multiphase electric drives six-phase machines finite control set model predictive control predictive current control predictive torque control high frequency square-wave voltage interior permanent-magnet synchronous motor (IPMSM) magnetic polarity detection rotor position estimation characteristics analysis fault detection stator fault rotor fault torque estimation finite control set mode predictive control duty cycle maximum torque per ampere permanent magnet synchronous motor acoustics boundary element method electric machines magneto-mechanics modeling noise vibro-acoustics efficiency line-start synchronous reluctance motor permanent magnet power factor multiphase induction motor space harmonics time harmonics injection high-speed permanent synchronous motor magnetic field characteristic iron loss stator structure online parameters estimation permanent magnet synchronous machines synchronous reluctance machines high frequency signal injection CMV modulation techniques PWM railway traction drives induction motor drives high-speed drives overmodulation and six-step operation electrical motors sot filling factor optimization algorithm windings magnetic wire filling factor optimization electric drive transmission shaft electric transmission line electrical and mechanical similarities kinematic structure equivalent circuit mathematical modelling failure detection diagnosis BLDC brushless systematic review rotor position BLDC motor sensor misalignment sizing methodology electrical machines thermal model electromagnetic model switched reluctance motor torque sharing functions firing angle modulation autonomous systems brushless synchronous generator electric power generation high speed generator high resistance connection fault-detection fault-tolerant control six-phase permanent magnet synchronous machines field-oriented control |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Altri titoli varianti | Advances in Rotating Electric Machines |
| Record Nr. | UNINA-9910557768803321 |
|
Cruz Sérgio
|
||
| Basel, Switzerland, : MDPI - Multidisciplinary Digital Publishing Institute, 2020 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Design and Application of Biomedical Circuits and Systems
| Design and Application of Biomedical Circuits and Systems |
| Autore | Yufera Alberto |
| Pubbl/distr/stampa | Basel, Switzerland, : MDPI - Multidisciplinary Digital Publishing Institute, 2021 |
| Descrizione fisica | 1 electronic resource (120 p.) |
| Soggetto topico | History of engineering & technology |
| Soggetto non controllato |
elbow soft exoskeleton
dual motor-tendon actuator PI control flexion/extension pronation/supination electronic travel aids radar electromagnetic visual impairment blind people microwaves mobility antennas infrared and thermal image analysis incremental low rank noise reduction incremental singular value decomposition segmentation monitoring of body temperature particle filter tracking phase aberration receive beamforming spatial resolution sound speed estimation Breath analysis electronic nose (E-nose) Internet-of-Things (IoT) RSA bio-signal TRNG data encryption IoT wireless communication interference suppression non-contact electrode impedance mismatch driven-right-leg electrocardiogram bioelectric acquisition doppler velocimetry doppler spectrum FPGA centroid estimation neuromodulation multi-channel stimulation protocol analog front-end (AFE) electrooculogram (EOG) electrooculography interference noise signal acquisition electrode array functional electrical stimulation rehabilitation DC offset current electrode stimulation biphasic signal platinum electrode matrix |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Record Nr. | UNINA-9910557153403321 |
|
Yufera Alberto
|
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| Basel, Switzerland, : MDPI - Multidisciplinary Digital Publishing Institute, 2021 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||