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Design Constraints for NFC Devices.
| Clasificación: | Libro Electrónico |
|---|---|
| Autor principal: | |
| Formato: | Electrónico eBook |
| Idioma: | Inglés |
| Publicado: |
Wiley-ISTE,
2016.
|
| Colección: | Waves series.
|
| Temas: | |
| Acceso en línea: | Texto completo |
Tabla de Contenidos:
- 2.2.1.1. Forward link
- from the initiator to the target2.2.1.1.1. Supplied energy and the concept of supplying the target; 2.2.1.1.2. Remote-powered or batteryless targets; 2.2.1.1.3. Battery-assisted targets; 2.2.1.2. Return link: from target to initiator; 2.2.1.2.1. Active and passive targets; "Passive" targets; "Active" targets; 2.2.1.2.2. Return communication from targets to the initiator; Load modulation; Passive load modulation (PLM); Active load modulation (ALM); Active load modulation
- ALM in NFC passive mode; Active load modulation
- ALM in NFC active mode.
- 2.2.2. "Contactless" normative constraints on NFC device antennae2.2.2.1. Uplink: initiator to target; 2.2.2.1.1. Bit encodings and the uplink; Modified-Miller (MM); No return to zero (NRZ); Manchester; Bit encoding-vicinity; Position encoding "1 of 256"; Position encoding "1 of 4"; 2.2.2.1.2. Bit rate; 2.2.2.1.3. Carrier modulation and uplink; Amplitude shift keying modulation; 100% ASK modulation; ASK modulation at 10%; ASK modulation at 10%-30%; 2.2.2.2. Downlink; 2.2.2.2.1. Bits encodings; Manchester coded sub-carrier (MSC); Binary phase shift keying (BPSK); Manchester.
- 2.2.2.3. Summary of the consequences for antennae design2.3. Conclusion; 3: Regulatory Constraints and Recommendations; 3.1. Regulatory constraints specific to NFC and NFC antennas; 3.1.1. State of RF regulations; 3.1.2. Constraints pertaining to radiation and pollution by NFC; 3.1.3. The ERC 70 03 recommendation and the ETSI 300 330 norm; 3.1.3.1. ERC 70 03; 3.1.3.2. ETSI 300 330; 3.1.3.2.1. The template/spectrum mask; 3.1.3.2.2. Values; 3.2. Constraints due to recommendations; 3.2.1. Exposure of the human body to EM fields; 3.2.1.1. Specific absorption rate (SAR).