IEEE 802 Standards Overview 802.2 Logical Link 802.1 Bridging CSMA/CD Token Ring Integrated Services Demand Priority WiMAX Token Bus Distributed Queue Token Bus WLAN Bluetooth and ZigBee 802.1 Management 802 Overview and Architecture 802.10 Security 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 802.12 PHY Data Link Layer Physical Layer Network Layer 802.15 MAC 802.15 PHY
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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
Is Bluetooth only for headphones?
It is a Wireless Network for ShortRange Communication
Bluetooth Applications
Wireless keyboards
Bluetooth Applications
Handy mobile phones
Bluetooth Applications
In-car communication
Bar-code scanners
Bluetooth Applications
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 802.15.1 - Bluetooth
c.f. IEEE Standard 802.15.1-2002
Timing
Bluetooth Topology
Master
Slave - Active
Parked - Inactive
Stand-By - Disconnected
Bluetooth Piconet
Bluetooth Topology
Master Slave Parked Stand-By
Bluetooth Scatternet
IEEE 802.15.2 - Coexistence
Timing issues
Interference
…
…with other 2.4 GHz technologies
IEEE 802.15.3 – High Speed
c.f. IEEE Standard 802.15.3-2003
Overview of Modulation, Coding and Rates
IEEE 802.15.3 – High Speed
c.f. IEEE Standard 802.15.3-2003
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.
IEEE 802.15.3 – High Speed
c.f. IEEE Standard 802.15.3-2003
Trellises
IEEE 802.15.3 – High Speed
c.f. IEEE Standard 802.15.3-2003
0
Trellises
IEEE 802.15.3 – High Speed
c.f. IEEE Standard 802.15.3-2003
Trellises
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