1.

Record Nr.

UNISALENTO991000083969707536

Autore

Ianes, Dario

Titolo

Ritardo mentale e apprendimenti complessi : teorie e ricerche su autoregolazione, metacognizione e generalizzazione / a cura di Dario Ianes

Pubbl/distr/stampa

Trento : Erickson, 1998

ISBN

8879462504

Descrizione fisica

298 p. ; 21 cm.

Disciplina

155.451

Soggetti

Minorati psichici - Processi cognitivi

Lingua di pubblicazione

Italiano

Formato

Materiale a stampa

Livello bibliografico

Monografia

2.

Record Nr.

UNISA996217171803316

Autore

Hyndman

Titolo

Cordilleran Volcanism, Plutonism, and Magma Generation at Various Crustal Levels, Montana and Idaho Western Montana and Central Idaho, Field Trip T337

Pubbl/distr/stampa

[Place of publication not identified], : American Geophysical Union, 1991

ISBN

1-118-66830-8

Descrizione fisica

1 online resource (43 pages) : illustrations

Collana

Field trip guidebook (International Geological Congress (28th : 1989 : Washington, D.C.)) ; ; T337

Disciplina

550

Soggetti

Geology - Idaho

Geology - Montana

Lingua di pubblicazione

Inglese

Formato

Materiale a stampa

Livello bibliografico

Monografia

Note generali

Bibliographic Level Mode of Issuance: Monograph



3.

Record Nr.

UNINA9910788105403321

Titolo

Cooperative and cognitive satellite systems / / edited by Symeon Chatzinotas, Björn Ottersten, Riccardo De Gaudenzi ; contributors, Nader Alagha [and fifty-two others]

Pubbl/distr/stampa

Amsterdam, [Netherlands] : , : Academic Press, , 2015

©2015

Descrizione fisica

1 online resource (542 p.)

Disciplina

621.3825

Soggetti

Artificial satellites in telecommunication

Multiuser detection (Telecommunication)

Cognitive radio networks

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 at the end of each chapters and index.

Nota di contenuto

Front Cover; Cooperative and Cognitive Satellite Systems; Copyright ; Contents; List of contributors; Preface; Cooperative and cognitive satellite systems; 1 Introduction; 1.1 Cooperative Satellite Systems; 1.2 Cognitive Satellite Systems; About the Editors; List of figures; Acronyms; Chapter 1: Multibeam joint detection; 1.1 Introduction; 1.1.1 Signal description; 1.1.1.1 Beam radiation pattern; 1.1.1.2 Fading; 1.1.2 Overview of multibeam techniques; 1.2 Theoretical performance limits; 1.2.1 Sum rate; 1.2.1.1 High SNR; 1.2.1.2 Low SNR; 1.2.1.3 Numerical example; 1.2.2 Outage capacity

1.2.2.1 High SNR1.2.2.2 Numerical example; 1.3 Multibeam processing: linear and nonlinear joint detection; 1.3.1 Joint detection algorithms; 1.3.1.1 Linear detectors; 1.3.1.2 Nonlinear detectors; 1.3.1.3 Numerical example; 1.3.2 IDD Techniques; 1.3.3 Complexity considerations; 1.4 Practical impairments; 1.4.1 Imperfect channel estimation; 1.4.1.1 Review on channel estimation techniques; 1.4.1.2 Asynchronism in the return link; 1.4.1.3 Performance with imperfect channel estimation; 1.4.2 Limitations of the feeder link; 1.5 Conclusions;  References

Chapter 2: High-performance random access schemes2.1 Introduction; 2.2 Key terrestrial RA techniques; 2.3 RA Techniques for satellite



networks; 2.3.1 Slotted RA techniques; 2.3.1.1 From (diversity) slotted ALOHA to CRDSA; 2.3.1.2 CRDSA practical implementation issues; 2.3.1.3 Review of other slotted RA techniques for satellite; 2.3.2 Unslotted RA techniques; 2.3.2.1 Enhanced SSA; 2.3.2.2 MMSe plus ESSA; 2.3.2.3 Asynchronous contention resolution diversity ALOHA; 2.3.2.4 Unslotted RA implementation aspects; 2.3.3 Congestion control in RA; 2.4 RA Capacity

2.4.1 Capacity bounds for spread-spectrum RA2.4.2 Capacity bounds for non-spread-spectrum RA; 2.5 Systems and standards; 2.6 Summary and future research perspectives;  References; Chapter 3: Multibeam joint precoding: frame-based design; 3.1 Introduction; 3.1.1 Precoding and beamforming in the satellite context; 3.1.2 Precoding over satellite: a standardization perspective; 3.1.3 Practical considerations; 3.1.4 Frame-based precoding: a multigroupmulticast approach; 3.2 System and channel model; 3.2.1 Multicast channel model; 3.2.2 Equivalent channel model; 3.2.3 Multibeam satellite channel

3.2.4 Payload phase errors3.2.4.1 Sensitivity to phase offsets; 3.2.4.2 Imperfect CSI estimation; 3.2.4.3 Outdated CSI; 3.2.5 Feeder link; 3.3 Frame-based precoding design; 3.3.1 Unicast multibeam precoding; 3.3.2 Block-SVD precoding; 3.3.3 Heuristic multicast aware MMSE precoding; 3.3.4 Optimal multigroup multicast precoding; 3.4 User selection for frame-based precoding; 3.4.1 Maximum channel norm selection; 3.4.2 Scheduling based on geographic user clusters; 3.4.2.1 Geographic user clustering; 3.4.3 Semi-parallel user selection; 3.4.4 Multicast aware user scheduling

3.5 Performance evaluation of selected methods

Sommario/riassunto

Cooperative and Cognitive Satellite Systems provides a solid overview of the current research in the field of cooperative and cognitive satellite systems, helping users understand how to incorporate state-of-the-art communication techniques in innovative satellite network architectures to enable the next generation of satellite systems.    The book is edited and written by top researchers and practitioners in the field, providing a comprehensive explanation of current research that allows users to discover future technologies and their applications, integrate satellite and terrestrial systems