Glossaire RFID
Terminologie RFID essentielle expliquée. Des CI d'étiquettes et protocoles aux normes et schémas de codage.
General
Fundamental RFID terminology and concepts.
RFID
Radio-Frequency Identification technology.
EPC
Universal identifier for physical objects.
Transponder
Device that responds to RF interrogation.
Passive Tag
Battery-free RFID tag powered by reader RF field.
Active Tag
Battery-powered RFID tag with long range.
Semi-Passive Tag
Battery-assisted tag using backscatter.
Inlay
RFID chip and antenna on a substrate.
Tag IC
RFID tag integrated circuit.
Interrogator
RFID reader device.
Coupling
RF energy transfer between reader and tag.
Standards & Protocols
RFID standards, protocols, and encoding specifications.
EPC Gen2
UHF RFID air interface standard.
RAIN RFID
UHF RFID industry alliance.
ISO 18000-63
ISO version of EPC Gen2 UHF standard.
ISO 15693
HF vicinity coupling RFID standard.
ISO 14443
HF proximity coupling standard for smart cards.
EPCglobal
EPC standards organization under GS1.
GS1
Global supply chain standards organization.
EPCIS
Standard for sharing RFID event data.
ATA Spec 2000
Aviation RFID part tracking standard.
ETSI EN 302 208
European UHF RFID radio standard.
Hardware
RFID readers, tags, antennas, and physical components.
Tag Sensitivity
Minimum power for tag activation (dBm).
Antenna Gain
Antenna directivity measure in dBi.
Circular Polarization
Orientation-tolerant antenna polarization.
Linear Polarization
Single-plane antenna polarization.
RFID Printer-Encoder
Device that prints and encodes RFID labels.
Smart Label
Label with embedded RFID inlay.
Near-Field Antenna
Short-range inductive RFID antenna.
Die Size
Physical size of the tag IC chip.
Multiplexer
Multi-antenna switching device.
Portal Reader
Doorway-mounted RFID reading station.
Protocols & Communication
RF communication protocols, encoding methods, and signaling.
Backscatter
Passive tag signal reflection method.
Dense Reader Mode
Multi-reader interference mitigation mode.
Singulation
Identifying individual tags from a group.
Anti-Collision
Preventing simultaneous tag response conflicts.
Q-Algorithm
EPC Gen2 adaptive anti-collision algorithm.
Session
Tag inventory persistence flag.
Select Command
Tag population filtering command.
LLRP
Standard reader control protocol.
Miller Encoding
Tag-to-reader baseband encoding scheme.
Frequency Hopping
Multi-channel interference reduction technique.
Data & Encoding
EPC data formats, memory structures, and encoding schemes.
SGTIN
Serialized product identifier in EPC format.
TID Memory
Read-only tag identification memory.
EPC Memory
Writable tag memory for item identity.
User Memory
Extra writable storage on RFID tags.
Kill Password
Password to permanently disable a tag.
Access Password
Password controlling tag write access.
Tag Data Translation
EPC format conversion specification.
NDEF
NFC tag data exchange format.
Block Write
Multi-word tag memory write operation.
Permalock
Permanent tag memory write protection.
Security
RFID security, authentication, and privacy mechanisms.
Crypto Suite
RFID cryptographic algorithm set.
Untraceable Command
Privacy feature hiding tag identity.
Cloning
Copying tag data to create counterfeits.
Eavesdropping
Intercepting RFID communication.
Replay Attack
Retransmitting captured tag responses.
Mutual Authentication
Two-way RFID identity verification.
Protected Mode
Impinj tag privacy feature.
Tag Authentication
Verifying RFID tag genuineness.
EAS (Electronic Article Surveillance)
Retail anti-theft tag system.
Kill Command
Permanently disables an RFID tag.
Applications
RFID application domains and deployment patterns.
Item-Level Tagging
RFID tag on every individual product.
RTLS
Indoor asset position tracking system.
Omnichannel
RFID-enabled unified retail channels.
Source Tagging
Tagging products at the factory.
Cycle Counting
RFID-accelerated inventory counting.
Ship-and-Deduct
Retailer chargeback for RFID compliance.
Smart Shelf
RFID-equipped retail shelf monitoring.
Digital Product Passport
EU product lifecycle digital record.
Laundry Tag
Wash-resistant RFID tag for textiles.
On-Metal Tag
RFID tag optimized for metal surfaces.
Integration
RFID system integration, middleware, and enterprise connectivity.
RFID Middleware
Software connecting RFID to enterprise systems.
Edge Processing
Processing RFID data at the reader.
ALE (Application Level Events)
Standard for RFID event filtering.
Tag Data Specification
Rules for encoding GS1 keys on tags.
Reader Protocol
Reader-to-software communication standard.
GS1 Digital Link
Web URI format for GS1 identifiers.
ONS
DNS for EPC product data lookup.
Discovery Service
Finding RFID data across supply chain.
Commissioning
Encoding and linking RFID tags to items.
Decommissioning
Removing RFID tag from active use.
Performance
RFID performance metrics, testing, and optimization.
Read Range
Maximum reader-to-tag communication distance.
Read Rate
Tags identified per second.
Link Budget
RF path gain/loss calculation.
EIRP
Total radiated power measurement.
Orientation Sensitivity
Tag read performance vs. angle.
Detuning
Material-caused tag performance degradation.
Null Point
RF dead spot from wave cancellation.
Tag Population
Number of tags in reader range.
Write Endurance
Maximum memory rewrite cycles.
Data Retention
How long tag memory retains data.
Regulations
Radio frequency regulations and compliance requirements.
FCC Part 15
US UHF RFID radio regulation.
ETSI
European radio standards body.
ISM Band
Shared radio bands including RFID frequencies.
SAR (Specific Absorption Rate)
RF energy absorption safety measure.
Listen Before Talk (LBT)
European RFID channel access method.
FHSS
US-mandated channel hopping for UHF RFID.
FDA DSCSA
US pharmaceutical serialization law.
IATA Resolution 753
Airline baggage tracking mandate.
EU Digital Product Passport
EU product sustainability data mandate.
GDPR and RFID
EU privacy law impact on RFID.
Questions fréquemment posées
The RFID glossary is a comprehensive reference of technical terms, acronyms, and concepts used in Radio-Frequency Identification technology. It is designed for engineers, system integrators, and project managers who work with RFID and need clear definitions of terms like EPC, backscatter, anti-collision, and ISO 18000.
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