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Chapter 4 Wireless Personal Area Networks (ZigBee (Security…
Chapter 4
Wireless Personal Area Networks
Overview
Short Range < 50 m.
Use little power
Standards
IEEE 802.15.1 and Bluetooth
IEEE 802.15.4 and ZigBee
Bluetooth
Characteristics
Industry specification
Bluetooth Special Interest Group (SIG)
Transmission range < 100 m.
RF in 2.4 GHz ISM band
FHSS
Applications
Network Types
Piconet
Scatternet
Security
Authentication
Encryption
3 modes
Version
1-24 Mbps
High-rate WPANs
Applications
Multimedia transmission
Standards
WiGig
Open Standard
Compatible with IEEE 802.11n, ac,
2.4 GHz and 5 GHz
Wi-Fi Alliance
Compatible with IEEE 802.11ad,
60 GHz
transmission range < 10 m.
Beamforming
WirelessHD
WirelessHD Consortium
IEE 802.15.3c open standard
60 GHz band
Beamforming
WHDI
WHDI Consortium
Not an open standard
5 GHz band
Max transmission range < 30 m.
Characteristics
Short transmission range
High data rate 1-28 Gbps
ZigBee
Characteristics
based on IEEE 802.15.4 standard
ZigBee Alliance
transmission rage 10 - 50 m.
Low data rate: 20 - 250 kbps
very low power
Applications
low-level performance
sensor and control systems
quiescent transmission
Device classes
FFD
PAN coordinator
RFD
Topologies
Star
Tree
Mesh
Addressing
Network (PAN) Address
Node Address
Endpoint Address
IEEE Address or Extended Address
Security
Authentication
Encryption
Frame integrity
Access control list (ACL)
Sequential freshness
Emerging
Technology
RFID
Characteristics
RF transmission
HF (13.56 MHz)
UHF (400 - 900 MHz)
Similar to Barcode labels
very short transmission range (1-100 m.)
Applications
Components
Tag or transponder
passive
active
Reader
NFC
Characteristics
based on ISO 18092 RFID tech standard
Very short range transmission < 10 cm.
Data rate: 106 - 424 kbps
13.56 MHz unlicensed band
Applications