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Compact antennas for wireless communications and terminals [[electronic resource] ] : theory and design / / edited by Jean-Marc Laheurte
| Compact antennas for wireless communications and terminals [[electronic resource] ] : theory and design / / edited by Jean-Marc Laheurte |
| Autore | Laheurte Jean-Marc |
| Edizione | [1st edition] |
| Pubbl/distr/stampa | London, : ISTE |
| Descrizione fisica | 1 online resource (261 p.) |
| Disciplina |
621.384/135
621.384135 |
| Altri autori (Persone) | LaheurteJean-Marc |
| Collana | ISTE |
| Soggetto topico |
Antennas (Electronics) - Design and construction
Wireless communication systems |
| ISBN |
1-118-60343-5
1-299-18790-0 1-118-60336-2 1-118-60340-0 |
| Formato | Materiale a stampa  |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto | General information about printed antennas -- Transmission line model -- Cavity model -- Radiation of a printed antenna -- Electrical equivalent circuit of a printed antenna -- Feeding circuits for microstrip antennas -- Circularly polarized antennas -- Wideband antennas -- Miniature antennas -- Reconfigurable antennas -- Introduction to antenna diversity. |
| Record Nr. | UNINA-9910141494403321 |
Laheurte Jean-Marc
|
||
| London, : ISTE | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Compact antennas for wireless communications and terminals [[electronic resource] ] : theory and design / / edited by Jean-Marc Laheurte
| Compact antennas for wireless communications and terminals [[electronic resource] ] : theory and design / / edited by Jean-Marc Laheurte |
| Autore | Laheurte Jean-Marc |
| Edizione | [1st edition] |
| Pubbl/distr/stampa | London, : ISTE |
| Descrizione fisica | 1 online resource (261 p.) |
| Disciplina |
621.384/135
621.384135 |
| Altri autori (Persone) | LaheurteJean-Marc |
| Collana | ISTE |
| Soggetto topico |
Antennas (Electronics) - Design and construction
Wireless communication systems |
| ISBN |
1-118-60343-5
1-299-18790-0 1-118-60336-2 1-118-60340-0 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto | General information about printed antennas -- Transmission line model -- Cavity model -- Radiation of a printed antenna -- Electrical equivalent circuit of a printed antenna -- Feeding circuits for microstrip antennas -- Circularly polarized antennas -- Wideband antennas -- Miniature antennas -- Reconfigurable antennas -- Introduction to antenna diversity. |
| Record Nr. | UNINA-9910830067303321 |
|
Laheurte Jean-Marc
|
||
| London, : ISTE | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
UHF RFID technologies for identification and traceability / / Jean-Marc Laheurte [and three others]
| UHF RFID technologies for identification and traceability / / Jean-Marc Laheurte [and three others] |
| Autore | Laheurte Jean-Marc |
| Edizione | [1st edition] |
| Pubbl/distr/stampa | London, England ; ; Hoboken, New Jersey : , : ISTE : , : Wiley, , 2014 |
| Descrizione fisica | 1 online resource (186 p.) |
| Disciplina |
025.1
621.3841 621.3841/92 |
| Collana | Focus Waves in Series |
| Soggetto topico | Radio frequency identification systems |
| Soggetto genere / forma | Electronic books. |
| ISBN |
1-118-93095-9
1-118-93093-2 1-118-93094-0 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
Cover; Title Page; Copyright; Contents; Introduction; CHAPTER 1. DESIGN AND PERFORMANCES OF UHF TAGINTEGRATED CIRCUITS; 1.1. Introduction; 1.2. Integrated circuit architecture; 1.3. RF to DC conversion: modeling the system; 1.3.1. Determination of the ideal DC output voltage; 1.3.2. Determination of the "real" DC voltage; 1.3.3. Effects of parasitics and capacitances on the output voltage; 1.3.4. Matching considerations; 1.3.5. Results obtained; 1.4. RF to DC conversion: proposed circuits and performances; 1.4.1. Threshold-voltage cancellation circuit
1.4.2. Cross-coupled differential drive with automatic bridge structure cancellation circuit1.4.3. Cross-coupled differential drive with controlled tuning voltages; 1.4.4. Results; 1.5. Voltage limiter and regulator; 1.6. Demodulator; 1.7. Oscillator; 1.8. Modulator; 1.9. Digital blocks; 1.9.1. Memory; 1.10. Technology, performances and trends; 1.10.1. Technology choice; 1.10.2. Design optimization; 1.10.3. Circuit performances; 1.11. Bibliography; CHAPTER 2. DESIGN OF UHF RFID TAGS; 2.1. Tag antenna design; 2.1.1. Fundamental circuit parameters of the dipole antenna 2.1.2. Fat antennas and tip loading2.1.3. Meandered dipoles; 2.1.4. Influence of dielectric and metallic materials - losses and detuning; 2.1.5. Near-field/far-field behavior of UHF RFID tags; 2.2. Matching between the antenna impedance and the microchip impedance; 2.2.1. Matching conditions; 2.2.2. L-matching basics; 2.2.3. Equivalent electrical circuits; 2.2.4. Double-tuned matching; 2.2.5. Synthesis of a double-tuned tag and a naïve tag; 2.2.6. Alternative implementation of the optimum double-tuned match; 2.2.7. Example of a double-tuned match tag and use in variable environments 2.3. RFID tag antennas using an inductively coupled feed2.3.1. Analytical model; 2.3.2. Antenna design and results; 2.4. Combined RFID tag antenna for recipients containing liquids; 2.4.1. Module description; 2.4.2. Inductive coupling and antenna matching; 2.4.3. Antenna design; 2.4.4. Measurements of the initial tag; 2.4.5. Measurements with an empty and filled plastic recipient; 2.4.6. Combined antenna; 2.4.7. Discussion relative to the respect of the matching conditions; 2.5. Tag on metal; 2.5.1. Radiation efficiency of low-profile patch antennas; 2.5.2. Ultra-thin metal tags 2.5.3. Thick metal tags2.5.4. Improved dipole designs on metallic surfaces; 2.6. Bibliography; CHAPTER 3. THE BACKSCATTERING TECHNIQUEAND ITS APPLICATION; 3.1. Backscattering principle of communication by between-base station and tag; 3.1.1. The forward link: communication from the base station to the tag; 3.1.2. The return link: communication from the tag to the base station; 3.2. The merit factor of a tag, Δσe s or ΔRCS; 3.2.1. Definition of the variation of the radar cross section, σe s or ΔRCS; 3.2.2. Estimation of Δσe s as a function of ΔΓ; 3.2.3. The variation Δσe s = f(ΔΓ,Γ1) 3.3. Variations of Δσe s =f(a) |
| Record Nr. | UNINA-9910139143403321 |
|
Laheurte Jean-Marc
|
||
| London, England ; ; Hoboken, New Jersey : , : ISTE : , : Wiley, , 2014 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
UHF RFID technologies for identification and traceability / / Jean-Marc Laheurte [and three others]
| UHF RFID technologies for identification and traceability / / Jean-Marc Laheurte [and three others] |
| Autore | Laheurte Jean-Marc |
| Edizione | [1st edition] |
| Pubbl/distr/stampa | London, England ; ; Hoboken, New Jersey : , : ISTE : , : Wiley, , 2014 |
| Descrizione fisica | 1 online resource (186 p.) |
| Disciplina |
025.1
621.3841 621.3841/92 |
| Collana | Focus Waves in Series |
| Soggetto topico | Radio frequency identification systems |
| ISBN |
1-118-93095-9
1-118-93093-2 1-118-93094-0 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
Cover; Title Page; Copyright; Contents; Introduction; CHAPTER 1. DESIGN AND PERFORMANCES OF UHF TAGINTEGRATED CIRCUITS; 1.1. Introduction; 1.2. Integrated circuit architecture; 1.3. RF to DC conversion: modeling the system; 1.3.1. Determination of the ideal DC output voltage; 1.3.2. Determination of the "real" DC voltage; 1.3.3. Effects of parasitics and capacitances on the output voltage; 1.3.4. Matching considerations; 1.3.5. Results obtained; 1.4. RF to DC conversion: proposed circuits and performances; 1.4.1. Threshold-voltage cancellation circuit
1.4.2. Cross-coupled differential drive with automatic bridge structure cancellation circuit1.4.3. Cross-coupled differential drive with controlled tuning voltages; 1.4.4. Results; 1.5. Voltage limiter and regulator; 1.6. Demodulator; 1.7. Oscillator; 1.8. Modulator; 1.9. Digital blocks; 1.9.1. Memory; 1.10. Technology, performances and trends; 1.10.1. Technology choice; 1.10.2. Design optimization; 1.10.3. Circuit performances; 1.11. Bibliography; CHAPTER 2. DESIGN OF UHF RFID TAGS; 2.1. Tag antenna design; 2.1.1. Fundamental circuit parameters of the dipole antenna 2.1.2. Fat antennas and tip loading2.1.3. Meandered dipoles; 2.1.4. Influence of dielectric and metallic materials - losses and detuning; 2.1.5. Near-field/far-field behavior of UHF RFID tags; 2.2. Matching between the antenna impedance and the microchip impedance; 2.2.1. Matching conditions; 2.2.2. L-matching basics; 2.2.3. Equivalent electrical circuits; 2.2.4. Double-tuned matching; 2.2.5. Synthesis of a double-tuned tag and a naïve tag; 2.2.6. Alternative implementation of the optimum double-tuned match; 2.2.7. Example of a double-tuned match tag and use in variable environments 2.3. RFID tag antennas using an inductively coupled feed2.3.1. Analytical model; 2.3.2. Antenna design and results; 2.4. Combined RFID tag antenna for recipients containing liquids; 2.4.1. Module description; 2.4.2. Inductive coupling and antenna matching; 2.4.3. Antenna design; 2.4.4. Measurements of the initial tag; 2.4.5. Measurements with an empty and filled plastic recipient; 2.4.6. Combined antenna; 2.4.7. Discussion relative to the respect of the matching conditions; 2.5. Tag on metal; 2.5.1. Radiation efficiency of low-profile patch antennas; 2.5.2. Ultra-thin metal tags 2.5.3. Thick metal tags2.5.4. Improved dipole designs on metallic surfaces; 2.6. Bibliography; CHAPTER 3. THE BACKSCATTERING TECHNIQUEAND ITS APPLICATION; 3.1. Backscattering principle of communication by between-base station and tag; 3.1.1. The forward link: communication from the base station to the tag; 3.1.2. The return link: communication from the tag to the base station; 3.2. The merit factor of a tag, Δσe s or ΔRCS; 3.2.1. Definition of the variation of the radar cross section, σe s or ΔRCS; 3.2.2. Estimation of Δσe s as a function of ΔΓ; 3.2.3. The variation Δσe s = f(ΔΓ,Γ1) 3.3. Variations of Δσe s =f(a) |
| Record Nr. | UNINA-9910830842303321 |
|
Laheurte Jean-Marc
|
||
| London, England ; ; Hoboken, New Jersey : , : ISTE : , : Wiley, , 2014 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||