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Power sources and supplies [[electronic resource] ] : world class designs / / Marty Brown [editor] with Nihal Kularatna, Raymond A. Mack, Jr., Sanjaya Maniktala
Power sources and supplies [[electronic resource] ] : world class designs / / Marty Brown [editor] with Nihal Kularatna, Raymond A. Mack, Jr., Sanjaya Maniktala
Edizione [1st edition]
Pubbl/distr/stampa Amsterdam ; ; Boston, : Newnes/Elsevier, c2008
Descrizione fisica 1 online resource (396 p.)
Disciplina 621.31/7
Altri autori (Persone) BrownMarty <1951->
Collana Newnes world class designs series
Soggetto topico Electric power supplies to apparatus - Design and construction
Electronic apparatus and appliances - Power supply
ISBN 1-281-11243-7
9786611112431
0-08-055657-4
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Front Cover; Power Sources and Supplies: World Class Designs; Copyright Page; Contents; Preface; About the Editor; About the Contributors; Chapter 1: An Introduction to the Linear Regulator; 1.1 Basic Linear Regulator Operation; 1.2 General Linear Regulator Considerations; 1.3 Linear Power Supply Design Examples; Chapter 2: Basic Switching Circuits; 2.1 Energy Storage Basics; 2.2 Buck Converter; 2.3 Boost Converter; 2.4 Inverting Boost Converter; 2.5 Buck-Boost Converter; 2.6 Transformer Isolated Converters; 2.7 Synchronous Rectification; 2.8 Charge Pumps
Chapter 3: DC-DC Converter Design and Magnetics 3.1 DC Transfer Functions; 3.2 The DC Level and the ""Swing"" of the Inductor Current Waveform; 3.3 Defining the AC, DC, and Peak Currents; 3.4 Understanding the AC, DC and Peak Currents; 3.5 Defining the ""Worst-case"" Input Voltage; 3.6 The Current Ripple Ratio r; 3.7 Relating r to the Inductance; 3.8 The Optimum Value of r; 3.9 Do We Mean Inductor? or Inductance?; 3.10 How Inductance and Inductor Size Depend on Frequency; 3.11 How Inductance and Inductor Size Depend on Load Current
3.12 How Vendors Specify the Current Rating of an Off-the-shelf Inductor and How to Select it 3.13 What is the Inductor Current Rating We Need to Consider for a Given Application?; 3.14 The Spread and Tolerance of the Current Limit; 3.15 Worked Example (1); 3.16 Worked Examples (2, 3, and 4); 3.17 Worked Example (5)-When Not to Increase the Number of Turns; 3.18 Worked Example (6)-Characterizing an Off-the-shelf Inductor in a Specific Application; 3.19 Calculating the ""Other"" Worst-case Stresses; Chapter 4: Control Circuits; 4.1 Basic Control Circuits; 4.2 The Error Amplifier
4.3 Error Amplifier Compensation 4.4 A Representative Voltage Mode PWM Controller; 4.5 Current Mode Control; 4.6 A Representative Current Mode PWM Controller; 4.7 Charge Pump Circuits; 4.8 Multiple Phase PWM Controllers; 4.9 Resonant Mode Controllers; Chapter 5: Non-isolated Circuits; 5.1 General Design Method; 5.2 Buck Converter Designs; 5.3 Boost Converter Designs; 5.4 Inverting Designs; 5.5 Step Up/Step Down (Buck/Boost) Designs; 5.6 Charge Pump Designs; 5.7 Layout Considerations; Chapter 6: Transformer-isolated Circuits; 6.1 Feedback Mechanisms; 6.2 Flyback Circuits
6.3 Practical Flyback Circuit Design 6.4 Off-Line Flyback Example; 6.5 Non-isolated Flyback Example; 6.6 Forward Converter Circuits; 6.7 Practical Forward Converter Design; 6.8 Off-Line Forward Converter Example; 6.9 Non-isolated Forward Converter Example; 6.10 Push-Pull Circuits; 6.11 Practical Push-Pull Circuit Design; 6.12 Half Bridge Circuits; 6.13 Practical Half Bridge Circuit Design; 6.14 Full Bridge Circuits; Chapter 7: Power Semiconductors; 7.1 Introduction; 7.2 Power Diodes and Thyristors; 7.3 Gate Turn-Off Thyristors; 7.4 Bipolar Power Transistors; 7.5 Power MOSFETs
7.6 Insulated Gate Bipolar Transistor (IGBT)
Record Nr. UNINA-9910807876803321
Amsterdam ; ; Boston, : Newnes/Elsevier, c2008
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
RF & wireless technologies [[electronic resource] /] / Bruce Fette ... [et al.]
RF & wireless technologies [[electronic resource] /] / Bruce Fette ... [et al.]
Pubbl/distr/stampa Amsterdam ; ; Boston, : Newnes/Elsevier, c2008
Descrizione fisica 1 online resource (848 p.)
Disciplina 621.382 22
621.384
Altri autori (Persone) FetteBruce Alan
Collana Newnes know it all series
Soggetto topico Wireless communication systems
Radio frequency
Mobile communication systems
Soggetto genere / forma Electronic books.
ISBN 1-281-78995-X
9786611789954
0-08-094258-X
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Front Cover; RF & Wireless Technologies; Copyright Page; Contents; About the Authors; Chapter 1: A Survey of RF and Wireless Technology; 1.1 A Short History of Wireless Communication; 1.2 Where We Are; 1.3 Conclusion; 1.4 References; Chapter 2: Communication Protocols and Modulation; 2.1 Baseband Data Format and Protocol; 2.2 Baseband Coding; 2.3 RF Frequency and Bandwidth; 2.4 Modulation; 2.5 RFID; 2.6 Summary; 2.7 References; Chapter 3: Transmitters; 3.1 RF Source; 3.2 Modulation; 3.3 Amplifiers; 3.4 Filtering; 3.5 Antenna; 3.6 Summary; 3.7 References; Chapter 4: Receivers
4.1 Tuned Radio Frequency 4.2 Superregenerative Receiver; 4.3 Superheterodyne Receiver; 4.4 Direct Conversion Receiver; 4.5 Digital Receivers; 4.6 Repeaters; 4.7 Summary; 4.8 Reference; Chapter 5: Radio Propagation; 5.1 Mechanisms of Radio Wave Propagation; 5.2 Open Field Propagation; 5.3 Diffraction; 5.4 Scattering; 5.5 Path Loss; 5.6 Multipath Phenomena; 5.7 Flat Fading; 5.8 Diversity Techniques; 5.9 Noise; 5.10 Summary; 5.11 References; Chapter 6: Antenna Fundamentals I; 6.1 Electromagnetic Waves; Example 6.1 A Quarter-Wave Matching System; 6.2 Polarization; 6.3 The Short Dipole
Example 6.2 Dipole Input Impedance and Efficiency 6.4 The Small Loop; Example 6.3 Loop Impedance and Efficiency; 6.5 Directionality, Efficiency, and Gain; 6.6 References; Chapter 7: Antenna Fundamentals II; 7.1 Bandwidth and Quality Factor, Q; Example 7.1 Effects of Coil Q and Loading; Example 7.2 SWR Bandwidth of a Lumped-Element Resonator; Example 7.3 Parallel-Tuned Loop SWR Bandwidth; 7.2 Impedance Matching and System Efficiency; Example 7.4 L-Section Matching; Example 7.5 Matching the Series-Tuned Loop; 7.3 Reception; 7.4 Ground Effects; Example 7.6 Field Plots for the Horizontal Dipole
7.5 Improvements 7.6 References; Chapter 8: Basics of Wireless Local Area Networks; 8.1: Networks Large and Small; 8.2: WLANs from LANs; 8.3: 802.11 WLANs; 8.4: HiperLAN and HiperLAN 2; 8.5: From LANs to PANs; 8.6: Capsule Summary; 8.7: Further Reading; WEP Attacks; Bluetooth; Trellis-Coded Modulations; Standards; Chapter 9: Outdoor Networks; 9.1 Neither Snow nor Rain nor Heat nor Gloom of Night...; 9.2 Line-of-Sight Sites; 9.3 Outdoor Coverage Networks; 9.4 Point-to-Multipoint Networks; 9.5 Point-to-Point Bridges; 9.6 Long Unlicensed Links; 9.7 Safety Tips; 9.8 Capsule Summary
9.9 Further Reading Chapter 10: Voice Over Wi-Fi and Other Wireless Technologies; 10.1 Introduction; 10.2 Ongoing 802.11 Standard Work; 10.3 Wi-Fi and Cellular Networks; 10.4 WiMax; 10.5 VoWi-Fi and Bluetooth; 10.6 VoWi-Fi and DECT; 10.7 VoWi-Fi and Other Ongoing 802.x Wireless Projects; 10.8 Conclusion; 10.9 References; Chapter 11: Security in Wireless Local Area Networks; 11.1 Introduction; 11.2 Key Establishment in 802.11; 11.3 Anonymity in 802.11; 11.4 Authentication in 802.11; 11.5 Confidentiality in 802.11; 11.6 Data Integrity in 802.11; 11.7 Loopholes in 802.11 Security; 11.8 WPA
11.9 WPA2 (802.11i)
Record Nr. UNINA-9910453663403321
Amsterdam ; ; Boston, : Newnes/Elsevier, c2008
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
RF & wireless technologies [[electronic resource] /] / Bruce Fette ... [et al.]
RF & wireless technologies [[electronic resource] /] / Bruce Fette ... [et al.]
Pubbl/distr/stampa Amsterdam ; ; Boston, : Newnes/Elsevier, c2008
Descrizione fisica 1 online resource (848 p.)
Disciplina 621.382 22
621.384
Altri autori (Persone) FetteBruce Alan
Collana Newnes know it all series
Soggetto topico Wireless communication systems
Radio frequency
Mobile communication systems
ISBN 1-281-78995-X
9786611789954
0-08-094258-X
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Front Cover; RF & Wireless Technologies; Copyright Page; Contents; About the Authors; Chapter 1: A Survey of RF and Wireless Technology; 1.1 A Short History of Wireless Communication; 1.2 Where We Are; 1.3 Conclusion; 1.4 References; Chapter 2: Communication Protocols and Modulation; 2.1 Baseband Data Format and Protocol; 2.2 Baseband Coding; 2.3 RF Frequency and Bandwidth; 2.4 Modulation; 2.5 RFID; 2.6 Summary; 2.7 References; Chapter 3: Transmitters; 3.1 RF Source; 3.2 Modulation; 3.3 Amplifiers; 3.4 Filtering; 3.5 Antenna; 3.6 Summary; 3.7 References; Chapter 4: Receivers
4.1 Tuned Radio Frequency 4.2 Superregenerative Receiver; 4.3 Superheterodyne Receiver; 4.4 Direct Conversion Receiver; 4.5 Digital Receivers; 4.6 Repeaters; 4.7 Summary; 4.8 Reference; Chapter 5: Radio Propagation; 5.1 Mechanisms of Radio Wave Propagation; 5.2 Open Field Propagation; 5.3 Diffraction; 5.4 Scattering; 5.5 Path Loss; 5.6 Multipath Phenomena; 5.7 Flat Fading; 5.8 Diversity Techniques; 5.9 Noise; 5.10 Summary; 5.11 References; Chapter 6: Antenna Fundamentals I; 6.1 Electromagnetic Waves; Example 6.1 A Quarter-Wave Matching System; 6.2 Polarization; 6.3 The Short Dipole
Example 6.2 Dipole Input Impedance and Efficiency 6.4 The Small Loop; Example 6.3 Loop Impedance and Efficiency; 6.5 Directionality, Efficiency, and Gain; 6.6 References; Chapter 7: Antenna Fundamentals II; 7.1 Bandwidth and Quality Factor, Q; Example 7.1 Effects of Coil Q and Loading; Example 7.2 SWR Bandwidth of a Lumped-Element Resonator; Example 7.3 Parallel-Tuned Loop SWR Bandwidth; 7.2 Impedance Matching and System Efficiency; Example 7.4 L-Section Matching; Example 7.5 Matching the Series-Tuned Loop; 7.3 Reception; 7.4 Ground Effects; Example 7.6 Field Plots for the Horizontal Dipole
7.5 Improvements 7.6 References; Chapter 8: Basics of Wireless Local Area Networks; 8.1: Networks Large and Small; 8.2: WLANs from LANs; 8.3: 802.11 WLANs; 8.4: HiperLAN and HiperLAN 2; 8.5: From LANs to PANs; 8.6: Capsule Summary; 8.7: Further Reading; WEP Attacks; Bluetooth; Trellis-Coded Modulations; Standards; Chapter 9: Outdoor Networks; 9.1 Neither Snow nor Rain nor Heat nor Gloom of Night...; 9.2 Line-of-Sight Sites; 9.3 Outdoor Coverage Networks; 9.4 Point-to-Multipoint Networks; 9.5 Point-to-Point Bridges; 9.6 Long Unlicensed Links; 9.7 Safety Tips; 9.8 Capsule Summary
9.9 Further Reading Chapter 10: Voice Over Wi-Fi and Other Wireless Technologies; 10.1 Introduction; 10.2 Ongoing 802.11 Standard Work; 10.3 Wi-Fi and Cellular Networks; 10.4 WiMax; 10.5 VoWi-Fi and Bluetooth; 10.6 VoWi-Fi and DECT; 10.7 VoWi-Fi and Other Ongoing 802.x Wireless Projects; 10.8 Conclusion; 10.9 References; Chapter 11: Security in Wireless Local Area Networks; 11.1 Introduction; 11.2 Key Establishment in 802.11; 11.3 Anonymity in 802.11; 11.4 Authentication in 802.11; 11.5 Confidentiality in 802.11; 11.6 Data Integrity in 802.11; 11.7 Loopholes in 802.11 Security; 11.8 WPA
11.9 WPA2 (802.11i)
Record Nr. UNINA-9910782308003321
Amsterdam ; ; Boston, : Newnes/Elsevier, c2008
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
RF & wireless technologies [[electronic resource] /] / Bruce Fette ... [et al.]
RF & wireless technologies [[electronic resource] /] / Bruce Fette ... [et al.]
Edizione [1st ed.]
Pubbl/distr/stampa Amsterdam ; ; Boston, : Newnes/Elsevier, c2008
Descrizione fisica 1 online resource (848 p.)
Disciplina 621.382 22
621.384
Altri autori (Persone) FetteBruce Alan
Collana Newnes know it all series
Soggetto topico Wireless communication systems
Radio frequency
Mobile communication systems
ISBN 1-281-78995-X
9786611789954
0-08-094258-X
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Front Cover; RF & Wireless Technologies; Copyright Page; Contents; About the Authors; Chapter 1: A Survey of RF and Wireless Technology; 1.1 A Short History of Wireless Communication; 1.2 Where We Are; 1.3 Conclusion; 1.4 References; Chapter 2: Communication Protocols and Modulation; 2.1 Baseband Data Format and Protocol; 2.2 Baseband Coding; 2.3 RF Frequency and Bandwidth; 2.4 Modulation; 2.5 RFID; 2.6 Summary; 2.7 References; Chapter 3: Transmitters; 3.1 RF Source; 3.2 Modulation; 3.3 Amplifiers; 3.4 Filtering; 3.5 Antenna; 3.6 Summary; 3.7 References; Chapter 4: Receivers
4.1 Tuned Radio Frequency 4.2 Superregenerative Receiver; 4.3 Superheterodyne Receiver; 4.4 Direct Conversion Receiver; 4.5 Digital Receivers; 4.6 Repeaters; 4.7 Summary; 4.8 Reference; Chapter 5: Radio Propagation; 5.1 Mechanisms of Radio Wave Propagation; 5.2 Open Field Propagation; 5.3 Diffraction; 5.4 Scattering; 5.5 Path Loss; 5.6 Multipath Phenomena; 5.7 Flat Fading; 5.8 Diversity Techniques; 5.9 Noise; 5.10 Summary; 5.11 References; Chapter 6: Antenna Fundamentals I; 6.1 Electromagnetic Waves; Example 6.1 A Quarter-Wave Matching System; 6.2 Polarization; 6.3 The Short Dipole
Example 6.2 Dipole Input Impedance and Efficiency 6.4 The Small Loop; Example 6.3 Loop Impedance and Efficiency; 6.5 Directionality, Efficiency, and Gain; 6.6 References; Chapter 7: Antenna Fundamentals II; 7.1 Bandwidth and Quality Factor, Q; Example 7.1 Effects of Coil Q and Loading; Example 7.2 SWR Bandwidth of a Lumped-Element Resonator; Example 7.3 Parallel-Tuned Loop SWR Bandwidth; 7.2 Impedance Matching and System Efficiency; Example 7.4 L-Section Matching; Example 7.5 Matching the Series-Tuned Loop; 7.3 Reception; 7.4 Ground Effects; Example 7.6 Field Plots for the Horizontal Dipole
7.5 Improvements 7.6 References; Chapter 8: Basics of Wireless Local Area Networks; 8.1: Networks Large and Small; 8.2: WLANs from LANs; 8.3: 802.11 WLANs; 8.4: HiperLAN and HiperLAN 2; 8.5: From LANs to PANs; 8.6: Capsule Summary; 8.7: Further Reading; WEP Attacks; Bluetooth; Trellis-Coded Modulations; Standards; Chapter 9: Outdoor Networks; 9.1 Neither Snow nor Rain nor Heat nor Gloom of Night...; 9.2 Line-of-Sight Sites; 9.3 Outdoor Coverage Networks; 9.4 Point-to-Multipoint Networks; 9.5 Point-to-Point Bridges; 9.6 Long Unlicensed Links; 9.7 Safety Tips; 9.8 Capsule Summary
9.9 Further Reading Chapter 10: Voice Over Wi-Fi and Other Wireless Technologies; 10.1 Introduction; 10.2 Ongoing 802.11 Standard Work; 10.3 Wi-Fi and Cellular Networks; 10.4 WiMax; 10.5 VoWi-Fi and Bluetooth; 10.6 VoWi-Fi and DECT; 10.7 VoWi-Fi and Other Ongoing 802.x Wireless Projects; 10.8 Conclusion; 10.9 References; Chapter 11: Security in Wireless Local Area Networks; 11.1 Introduction; 11.2 Key Establishment in 802.11; 11.3 Anonymity in 802.11; 11.4 Authentication in 802.11; 11.5 Confidentiality in 802.11; 11.6 Data Integrity in 802.11; 11.7 Loopholes in 802.11 Security; 11.8 WPA
11.9 WPA2 (802.11i)
Record Nr. UNINA-9910821323503321
Amsterdam ; ; Boston, : Newnes/Elsevier, c2008
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
RF circuit design / Chrisatopher Bowick ; with John Blyler and Cheryl Ajluni
RF circuit design / Chrisatopher Bowick ; with John Blyler and Cheryl Ajluni
Autore Bowick, Chris
Edizione [2. ed]
Pubbl/distr/stampa Amsterdam [etc.], : Newnes/Elsevier, c2008
Descrizione fisica X, 243 p. : ill. ; 28 cm.
Disciplina 621.38412
Soggetto topico Circuiti elettrici ad alta frequenza
ISBN 0750685182
9780750685184
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Record Nr. UNISANNIO-UFE0885472
Bowick, Chris  
Amsterdam [etc.], : Newnes/Elsevier, c2008
Materiale a stampa
Lo trovi qui: Univ. del Sannio
Opac: Controlla la disponibilità qui
Secure roaming in 802.11 networks [[electronic resource] /] / by Paul Goransson and Raymond Greenlaw
Secure roaming in 802.11 networks [[electronic resource] /] / by Paul Goransson and Raymond Greenlaw
Autore Goransson Paul
Edizione [1st edition]
Pubbl/distr/stampa Amsterdam ; ; Boston, : Newnes/Elsevier, c2007
Descrizione fisica 1 online resource (369 p.)
Disciplina 621.384
Altri autori (Persone) GreenlawRaymond
Collana Communications engineering series
Soggetto topico Wireless LANs - Security measures
IEEE 802.11 (Standard)
Soggetto genere / forma Electronic books.
ISBN 1-281-12031-6
9786611120313
0-08-054894-6
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Front Cover; Secure Roaming In 802.11 Networks; Copyright Page; Table of Contents; Preface; Acknowledgments; About the Authors; Chapter 1. Introduction; 1.1 Introduction; 1.2 Basic Networking Terminology and Conventions; 1.3 Setting the Scene; 1.4 Different Notions of Roaming; 1.5 Big Cells, Little Cells; 1.6 Authentication, Authorization, Accounting, and Roaming; 1.7 How Fast Do We Roam on the Range?; 1.8 Taxonomy for Roaming; 1.9 Organization of the Book; Chapter 2. Cellular Telephony: Wireless Roaming Pioneers; 2.1 Introduction; 2.2 The Future of Computing; 2.3 Basic Concepts
2.4 Early History of Radio Telephony 2.5 The Digital Revolution; 2.6 Soft Versus Hard Handoffs in Various Cellular Technologies; 2.7 The Quest for Convergence; 2.8 Summary; Chapter 3. Roaming in 802.11 WLANs: General Principles; 3.1 Introduction; 3.2 Primer on the 802.11 Standard; 3.3 Introduction to 802.11 Roaming; 3.4 Local Roaming; 3.5 Global Roaming; 3.6 Mobile IP and Its Role in 802.11 Roaming; 3.7 Those Pesky Laws of Physics; Chapter 4. Dynamics of 802.11 Task Groups; 4.1 Introduction; 4.2 Evolution of an IEEE Standard; 4.3 Battle for Speed, Cost, and Market Dominance
4.4 The 802.11 Standard's Physical Layer 4.5 Fast Secure Roaming Task Groups; 4.6 802.11i Security; 4.7 802.11e Quality of Service; 4.8 802.11k Radio Resource Measurement Enhancements; 4.9 802.11r Roaming; 4.10 Other 802.11 Subgroups; 4.11 Wi-Fi Alliance Versus IEEE 802.11; Chapter 5. Practical Aspects of Basic 802.11 Roaming; 5.1 Introduction; 5.2 The Driver and Client in an 802.11 Station; 5.3 Detailed Analyses of Real-Life Roams; 5.4 Dissection of a Global Roam; 5.5 Dissection of a Local Roam; 5.6 Access-Point Placement Methodologies; Chapter 6. Fundamentals of User Authentication in 802.11
6.1 Introduction 6.2 802.1X Port-Level Authentication; 6.3 The AAA Server; 6.4 The Extensible Authentication Protocol; 6.5 Flexible and Strong Authentication in 802.11; 6.6 Other 802.11 Authentication Methodologies; 6.7 Network Access Control; 6.8 Summary; Chapter 7. Roaming Securely in 802.11; 7.1 Introduction; 7.2 The 802.11 Security Staircase; 7.3 Preauthentication in 802.11i; 7.4 Detailed Analysis of Real-Life Secured Roams; 7.5 Dissection of a WPA-PSK Protected Roam; 7.6 Dissection of a WPA2 Enterprise Roam; 7.7 Dissection of an 802.11i Preauthentication; 7.8 Summary
Chapter 8. Optimizing Beyond the 802.11 Standard 8.1 Introduction; 8.2 Voice over Wireless IP Roaming; 8.3 Opportunistic Key Caching; 8.4 Centralized Wireless Switch Architectures; Chapter 9. The 802.11 Workgroups' Solutions for Fast Secure Roaming; 9.1 Introduction; 9.2 Overview of the 802.11r Standard; 9.3 Detailed Concepts and Terminology of 802.11r; 9.4 Protocol Exchanges in 802.11r; 9.5 The 802.11k Standard Applied to Roaming; 9.6 Concluding Remarks; Chapter 10. Roaming between 802.11 and Other Wireless Technologies; 10.1 Introduction; 10.2 Ideal Roaming Experience
10.3 IEEE 802.16: WiMAX
Record Nr. UNINA-9910457955203321
Goransson Paul  
Amsterdam ; ; Boston, : Newnes/Elsevier, c2007
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Secure roaming in 802.11 networks [[electronic resource] /] / by Paul Goransson and Raymond Greenlaw
Secure roaming in 802.11 networks [[electronic resource] /] / by Paul Goransson and Raymond Greenlaw
Autore Goransson Paul
Edizione [1st edition]
Pubbl/distr/stampa Amsterdam ; ; Boston, : Newnes/Elsevier, c2007
Descrizione fisica 1 online resource (369 p.)
Disciplina 621.384
Altri autori (Persone) GreenlawRaymond
Collana Communications engineering series
Soggetto topico Wireless LANs - Security measures
IEEE 802.11 (Standard)
ISBN 1-281-12031-6
9786611120313
0-08-054894-6
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Front Cover; Secure Roaming In 802.11 Networks; Copyright Page; Table of Contents; Preface; Acknowledgments; About the Authors; Chapter 1. Introduction; 1.1 Introduction; 1.2 Basic Networking Terminology and Conventions; 1.3 Setting the Scene; 1.4 Different Notions of Roaming; 1.5 Big Cells, Little Cells; 1.6 Authentication, Authorization, Accounting, and Roaming; 1.7 How Fast Do We Roam on the Range?; 1.8 Taxonomy for Roaming; 1.9 Organization of the Book; Chapter 2. Cellular Telephony: Wireless Roaming Pioneers; 2.1 Introduction; 2.2 The Future of Computing; 2.3 Basic Concepts
2.4 Early History of Radio Telephony 2.5 The Digital Revolution; 2.6 Soft Versus Hard Handoffs in Various Cellular Technologies; 2.7 The Quest for Convergence; 2.8 Summary; Chapter 3. Roaming in 802.11 WLANs: General Principles; 3.1 Introduction; 3.2 Primer on the 802.11 Standard; 3.3 Introduction to 802.11 Roaming; 3.4 Local Roaming; 3.5 Global Roaming; 3.6 Mobile IP and Its Role in 802.11 Roaming; 3.7 Those Pesky Laws of Physics; Chapter 4. Dynamics of 802.11 Task Groups; 4.1 Introduction; 4.2 Evolution of an IEEE Standard; 4.3 Battle for Speed, Cost, and Market Dominance
4.4 The 802.11 Standard's Physical Layer 4.5 Fast Secure Roaming Task Groups; 4.6 802.11i Security; 4.7 802.11e Quality of Service; 4.8 802.11k Radio Resource Measurement Enhancements; 4.9 802.11r Roaming; 4.10 Other 802.11 Subgroups; 4.11 Wi-Fi Alliance Versus IEEE 802.11; Chapter 5. Practical Aspects of Basic 802.11 Roaming; 5.1 Introduction; 5.2 The Driver and Client in an 802.11 Station; 5.3 Detailed Analyses of Real-Life Roams; 5.4 Dissection of a Global Roam; 5.5 Dissection of a Local Roam; 5.6 Access-Point Placement Methodologies; Chapter 6. Fundamentals of User Authentication in 802.11
6.1 Introduction 6.2 802.1X Port-Level Authentication; 6.3 The AAA Server; 6.4 The Extensible Authentication Protocol; 6.5 Flexible and Strong Authentication in 802.11; 6.6 Other 802.11 Authentication Methodologies; 6.7 Network Access Control; 6.8 Summary; Chapter 7. Roaming Securely in 802.11; 7.1 Introduction; 7.2 The 802.11 Security Staircase; 7.3 Preauthentication in 802.11i; 7.4 Detailed Analysis of Real-Life Secured Roams; 7.5 Dissection of a WPA-PSK Protected Roam; 7.6 Dissection of a WPA2 Enterprise Roam; 7.7 Dissection of an 802.11i Preauthentication; 7.8 Summary
Chapter 8. Optimizing Beyond the 802.11 Standard 8.1 Introduction; 8.2 Voice over Wireless IP Roaming; 8.3 Opportunistic Key Caching; 8.4 Centralized Wireless Switch Architectures; Chapter 9. The 802.11 Workgroups' Solutions for Fast Secure Roaming; 9.1 Introduction; 9.2 Overview of the 802.11r Standard; 9.3 Detailed Concepts and Terminology of 802.11r; 9.4 Protocol Exchanges in 802.11r; 9.5 The 802.11k Standard Applied to Roaming; 9.6 Concluding Remarks; Chapter 10. Roaming between 802.11 and Other Wireless Technologies; 10.1 Introduction; 10.2 Ideal Roaming Experience
10.3 IEEE 802.16: WiMAX
Record Nr. UNINA-9910784349803321
Goransson Paul  
Amsterdam ; ; Boston, : Newnes/Elsevier, c2007
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Secure roaming in 802.11 networks [[electronic resource] /] / by Paul Goransson and Raymond Greenlaw
Secure roaming in 802.11 networks [[electronic resource] /] / by Paul Goransson and Raymond Greenlaw
Autore Goransson Paul
Edizione [1st edition]
Pubbl/distr/stampa Amsterdam ; ; Boston, : Newnes/Elsevier, c2007
Descrizione fisica 1 online resource (369 p.)
Disciplina 621.384
Altri autori (Persone) GreenlawRaymond
Collana Communications engineering series
Soggetto topico Wireless LANs - Security measures
IEEE 802.11 (Standard)
ISBN 1-281-12031-6
9786611120313
0-08-054894-6
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Front Cover; Secure Roaming In 802.11 Networks; Copyright Page; Table of Contents; Preface; Acknowledgments; About the Authors; Chapter 1. Introduction; 1.1 Introduction; 1.2 Basic Networking Terminology and Conventions; 1.3 Setting the Scene; 1.4 Different Notions of Roaming; 1.5 Big Cells, Little Cells; 1.6 Authentication, Authorization, Accounting, and Roaming; 1.7 How Fast Do We Roam on the Range?; 1.8 Taxonomy for Roaming; 1.9 Organization of the Book; Chapter 2. Cellular Telephony: Wireless Roaming Pioneers; 2.1 Introduction; 2.2 The Future of Computing; 2.3 Basic Concepts
2.4 Early History of Radio Telephony 2.5 The Digital Revolution; 2.6 Soft Versus Hard Handoffs in Various Cellular Technologies; 2.7 The Quest for Convergence; 2.8 Summary; Chapter 3. Roaming in 802.11 WLANs: General Principles; 3.1 Introduction; 3.2 Primer on the 802.11 Standard; 3.3 Introduction to 802.11 Roaming; 3.4 Local Roaming; 3.5 Global Roaming; 3.6 Mobile IP and Its Role in 802.11 Roaming; 3.7 Those Pesky Laws of Physics; Chapter 4. Dynamics of 802.11 Task Groups; 4.1 Introduction; 4.2 Evolution of an IEEE Standard; 4.3 Battle for Speed, Cost, and Market Dominance
4.4 The 802.11 Standard's Physical Layer 4.5 Fast Secure Roaming Task Groups; 4.6 802.11i Security; 4.7 802.11e Quality of Service; 4.8 802.11k Radio Resource Measurement Enhancements; 4.9 802.11r Roaming; 4.10 Other 802.11 Subgroups; 4.11 Wi-Fi Alliance Versus IEEE 802.11; Chapter 5. Practical Aspects of Basic 802.11 Roaming; 5.1 Introduction; 5.2 The Driver and Client in an 802.11 Station; 5.3 Detailed Analyses of Real-Life Roams; 5.4 Dissection of a Global Roam; 5.5 Dissection of a Local Roam; 5.6 Access-Point Placement Methodologies; Chapter 6. Fundamentals of User Authentication in 802.11
6.1 Introduction 6.2 802.1X Port-Level Authentication; 6.3 The AAA Server; 6.4 The Extensible Authentication Protocol; 6.5 Flexible and Strong Authentication in 802.11; 6.6 Other 802.11 Authentication Methodologies; 6.7 Network Access Control; 6.8 Summary; Chapter 7. Roaming Securely in 802.11; 7.1 Introduction; 7.2 The 802.11 Security Staircase; 7.3 Preauthentication in 802.11i; 7.4 Detailed Analysis of Real-Life Secured Roams; 7.5 Dissection of a WPA-PSK Protected Roam; 7.6 Dissection of a WPA2 Enterprise Roam; 7.7 Dissection of an 802.11i Preauthentication; 7.8 Summary
Chapter 8. Optimizing Beyond the 802.11 Standard 8.1 Introduction; 8.2 Voice over Wireless IP Roaming; 8.3 Opportunistic Key Caching; 8.4 Centralized Wireless Switch Architectures; Chapter 9. The 802.11 Workgroups' Solutions for Fast Secure Roaming; 9.1 Introduction; 9.2 Overview of the 802.11r Standard; 9.3 Detailed Concepts and Terminology of 802.11r; 9.4 Protocol Exchanges in 802.11r; 9.5 The 802.11k Standard Applied to Roaming; 9.6 Concluding Remarks; Chapter 10. Roaming between 802.11 and Other Wireless Technologies; 10.1 Introduction; 10.2 Ideal Roaming Experience
10.3 IEEE 802.16: WiMAX
Record Nr. UNINA-9910813346503321
Goransson Paul  
Amsterdam ; ; Boston, : Newnes/Elsevier, c2007
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Small antenna design [[electronic resource] /] / by Douglas B. Miron
Small antenna design [[electronic resource] /] / by Douglas B. Miron
Autore Miron Douglas B
Edizione [1st edition]
Pubbl/distr/stampa Burlington, MA, : Newnes/Elsevier, c2006
Descrizione fisica 1 online resource (304 p.)
Disciplina 621.384/135
Collana Communications engineering series
Soggetto topico Radio - Antennas - Design and construction
Soggetto genere / forma Electronic books.
ISBN 1-281-01467-2
9786611014674
0-08-049814-0
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Front Cover; Small Antenna Design; Copyright Page; Contents; Preface; About the Author; What's on the CD-ROM?; Chapter 1: Introduction; 1.1 What Is Small?; 1.2 What Are the Problems?; 1.3 Some Historical Small Antenna Types and Applications; 1.4 Some Present and Future Small Antennas; References; Chapter 2: Antenna Fundamentals I; 2.1 Electromagnetic Waves; 2.2 Polarization; 2.3 The Short Dipole; 2.4 The Small Loop; 2.5 Directionality, Efficiency, and Gain; References; Chapter 2 Problems; Chapter 3: Antenna Fundamentals II; 3.1 Bandwidth and Quality Factor, Q
3.2 Impedance Matching and System Efficiency3.3 Reception; 3.4 Ground Effects; 3.5 Improvements; References; Chapter 3 Problems; Chapter 4: Introduction to Numerical Modeling of Wire Antennas; 4.1 General Concepts; 4.2 The Mathematical Basics of the Numerical Electromagnetic Code (NEC); 4.3 Using NEC in the Command Window; 4.4 Modeling Guidelines; 4.5 NEC in a Graphical User Interface (GUI); 4.6 Examples from Chapters 2 and 3; References; Chapter 4 Problems; Chapter 5: Programmed Modeling; 5.0 Introduction; 5.1 Using Wire-List Generators in NEC; 5.2 Using Code to Generate a Wire List
Chapter 5 ProblemsChapter 6: Open-Ended Antennas; 6.0 Introduction; 6.1 Thick Monopoles; 6.2 Top Loading; 6.3 Coil Loading; 6.4 Using Resonance; 6.5 Summary; References; Chapter 6 Problems; Chapter 7: Loops and Other Closed-Wire Antennas; 7.0 Introduction; 7.1 Thick Loops; 7.2 Solenoid Antennas; 7.3 The Contrawound Toroidal Helix Antenna (CTHA); 7.4 The Folded Spherical Helix Monopole; 7.5 Final Comments; References; Chapter 7 Problems; Chapter 8: Receiving Antennas; 8.0 Introduction; 8.1 External Noise; 8.2 The Ferrite Rod Antenna; 8.3 Active Receiving Antennas; References
Chapter 8 ProblemsChapter 9: Measurements; 9.1 What Are You Measuring?; 9.2 Measurements Through a Transmission Line; 9.3 Ranges and Test Enclosures; 9.4 The Wheeler Cap and Variations; References; Chapter 9 Problems; Appendix A: The Mathematics of Antenna Orientation; A.1 Unit-Vector and Coordinate Variable Relations; A.2 The Horizontal Dipole; A.3 The Vertical Loop; Appendix A Problems; Appendix B: The Parallel-Ray Approximation; Appendix B Problems; Appendix C: The Small Loop; Appendix C Problems; Appendix D: The Proximity Effect; D.1 Current Distribution; D.2 Power and Resistance
ReferencesAppendix E: What Every EE Student Should Know About Mathematics by the Senior Year; E.1 What Is Mathematics to an Engineer?; E.2 The Process Is as Important as the Result; E.3 Facts and Idioms; E.4 Integrals and Derivatives; E.5 Radians or Degrees?; E.6 Matrix Notation and Operations; E.7 Answers for Section E.3; Index; Elsevier Science CD-ROM License Agreement
Record Nr. UNINA-9910457318503321
Miron Douglas B  
Burlington, MA, : Newnes/Elsevier, c2006
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Small antenna design [[electronic resource] /] / by Douglas B. Miron
Small antenna design [[electronic resource] /] / by Douglas B. Miron
Autore Miron Douglas B
Edizione [1st edition]
Pubbl/distr/stampa Burlington, MA, : Newnes/Elsevier, c2006
Descrizione fisica 1 online resource (304 p.)
Disciplina 621.384/135
Collana Communications engineering series
Soggetto topico Radio - Antennas - Design and construction
ISBN 1-281-01467-2
9786611014674
0-08-049814-0
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Front Cover; Small Antenna Design; Copyright Page; Contents; Preface; About the Author; What's on the CD-ROM?; Chapter 1: Introduction; 1.1 What Is Small?; 1.2 What Are the Problems?; 1.3 Some Historical Small Antenna Types and Applications; 1.4 Some Present and Future Small Antennas; References; Chapter 2: Antenna Fundamentals I; 2.1 Electromagnetic Waves; 2.2 Polarization; 2.3 The Short Dipole; 2.4 The Small Loop; 2.5 Directionality, Efficiency, and Gain; References; Chapter 2 Problems; Chapter 3: Antenna Fundamentals II; 3.1 Bandwidth and Quality Factor, Q
3.2 Impedance Matching and System Efficiency3.3 Reception; 3.4 Ground Effects; 3.5 Improvements; References; Chapter 3 Problems; Chapter 4: Introduction to Numerical Modeling of Wire Antennas; 4.1 General Concepts; 4.2 The Mathematical Basics of the Numerical Electromagnetic Code (NEC); 4.3 Using NEC in the Command Window; 4.4 Modeling Guidelines; 4.5 NEC in a Graphical User Interface (GUI); 4.6 Examples from Chapters 2 and 3; References; Chapter 4 Problems; Chapter 5: Programmed Modeling; 5.0 Introduction; 5.1 Using Wire-List Generators in NEC; 5.2 Using Code to Generate a Wire List
Chapter 5 ProblemsChapter 6: Open-Ended Antennas; 6.0 Introduction; 6.1 Thick Monopoles; 6.2 Top Loading; 6.3 Coil Loading; 6.4 Using Resonance; 6.5 Summary; References; Chapter 6 Problems; Chapter 7: Loops and Other Closed-Wire Antennas; 7.0 Introduction; 7.1 Thick Loops; 7.2 Solenoid Antennas; 7.3 The Contrawound Toroidal Helix Antenna (CTHA); 7.4 The Folded Spherical Helix Monopole; 7.5 Final Comments; References; Chapter 7 Problems; Chapter 8: Receiving Antennas; 8.0 Introduction; 8.1 External Noise; 8.2 The Ferrite Rod Antenna; 8.3 Active Receiving Antennas; References
Chapter 8 ProblemsChapter 9: Measurements; 9.1 What Are You Measuring?; 9.2 Measurements Through a Transmission Line; 9.3 Ranges and Test Enclosures; 9.4 The Wheeler Cap and Variations; References; Chapter 9 Problems; Appendix A: The Mathematics of Antenna Orientation; A.1 Unit-Vector and Coordinate Variable Relations; A.2 The Horizontal Dipole; A.3 The Vertical Loop; Appendix A Problems; Appendix B: The Parallel-Ray Approximation; Appendix B Problems; Appendix C: The Small Loop; Appendix C Problems; Appendix D: The Proximity Effect; D.1 Current Distribution; D.2 Power and Resistance
ReferencesAppendix E: What Every EE Student Should Know About Mathematics by the Senior Year; E.1 What Is Mathematics to an Engineer?; E.2 The Process Is as Important as the Result; E.3 Facts and Idioms; E.4 Integrals and Derivatives; E.5 Radians or Degrees?; E.6 Matrix Notation and Operations; E.7 Answers for Section E.3; Index; Elsevier Science CD-ROM License Agreement
Record Nr. UNINA-9910784364203321
Miron Douglas B  
Burlington, MA, : Newnes/Elsevier, c2006
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui