Transcript
IEEE 802 Standards Overview
802.2 Logical Link
802.1 Bridging
CSMA/CD Token Ring IntegratedServices
DemandPriority
WiMAX
Token Bus DistributedQueue
Token Bus
WLAN Bluetoothand
ZigBee
802.
1 M
anag
emen
t
802
Ove
rvie
wan
d A
rchi
tect
ure
802.
10 S
ecur
ity
802.16 MAC
802.16 PHY
802.3 MAC
802.3 PHY
802.4 MAC
802.4 PHY
802.5 MAC
802.5 PHY
802.6 MAC
802.6 PHY
802.9 MAC
802.9 PHY
802.11 MAC
802.11 PHY
802.12 MAC
802.12PHY
Data Link Layer
PhysicalLayer
Network Layer
802.15 MAC
802.15 PHY
IEEE 802.15.1 - Bluetooth
100 m
Approx range
10 m
1 m
c.f. IEEE Standard 802.15.1-2002
Three power classes for different ranges.
IEEE 802.15.1 - BluetoothModulation: GFSK, Gaussian Frequency Shift Keying
c.f. IEEE Standard 802.15.1-2002
IEEE 802.15.1 - Bluetooth
c.f. IEEE Standard 802.15.1-2002
Error Control Coding 1: Headers and data
Headers
(3,1,3) Repetition Code
Payload
(15,10,4) Shortened Hamming Code
IEEE 802.15.1 - Bluetooth
c.f. IEEE Standard 802.15.1-2002
Error Control Coding 2: CRC – Cyclic Redundancy Check for ARQ
IEEE 802.15.3 – High Speed
c.f. IEEE Standard 802.15.3-2003
TCM – Trellis Coded Modulation
The output of the convolutional encoderchooses signal points.
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