Transcript Lecture 1: Course Overview - Southern Methodist University

PAN
Southern Methodist University
EETS 8315 / TC752-N
Advanced Topics in Wireless Communications
Spring2005
http://engr.smu.edu/eets/8315
Lecture 12: PAN: Bluetooth
Instructor: Dr. Hossam H’mimy, Ericsson Inc.
[email protected]
(972) 583-0155
© 2005 H. H’mimy
SMU EE 8315 Advanced Topics in Wireless Communications - Spring’05
Lecture 12, Slide 1
PAN
Announcement
• Exam Next week for on campus 5/3
• For distant student can take exam from 5/3- 5/11
• If graduating you need to tell me ASAP.
• Paper is over due by midnight tonight ( 4
students left)
• HW 3/4 is due 4/29 for on campus and 5/7 for
distant students.
© 2005 H. H’mimy
SMU EE 8315 Advanced Topics in Wireless Communications - Spring’05
Lecture 12, Slide 2
PAN
Bluetooth
What is Bluetooth?
• Http://www.bluetooth.com
• Short range wireless LAN, Personal LAN “PAN”
• Rapid introduction of adhoc wireless networks
• enable devices to be connected wirelessly
• 3Com, Ericsson, intel, micosoft, nokia, lucent,
Motorola, toshiba, and more than 1300 manufactures
• By 2002 hundereds of millions of devices will be
bluetooth capable.
© 2005 H. H’mimy
SMU EE 8315 Advanced Topics in Wireless Communications - Spring’05
Lecture 12, Slide 3
PAN
Bluetooth
• voice data access point
– connect to mobile phone as modem (data)
– Mobile phone and the mic (voice)
• cable replacement
– receive e.mails using your mobile phone as modem
– no need for LOS (how about IR?)
• personal adhoc networks
– Bluetooth devices automatically synch.
– Adhoc network PC, PDA, Palm, Mobile phone, Microwave….
© 2005 H. H’mimy
SMU EE 8315 Advanced Topics in Wireless Communications - Spring’05
Lecture 12, Slide 4
PAN
Bluetooth
Technical specs.
• TDD 625 msec
• Slow FH 1600hopes/sec or one hope/TS
• ISM band 2.4GHz
• 79 RF channels @1MHz each (23 in Japan France and
Spain)
• GFSK
• range 10-100m
• Symmetric 185.6kbps
• Asymmetric 721kbps
© 2005 H. H’mimy
SMU EE 8315 Advanced Topics in Wireless Communications - Spring’05
Lecture 12, Slide 5
PAN
Bluetooth
Piconet
• PTP and PTM connections
• Piconet is the master
• Several devices can be connected to a piconet (up to
7 active simultaneously) and synchronized with their
piconet. (Slaves)
• Piconets can be connected together to form adhoc
network called Multiple piconet structure
• Power control function of distance and traffic
• range 10-100 meters
© 2005 H. H’mimy
SMU EE 8315 Advanced Topics in Wireless Communications - Spring’05
Lecture 12, Slide 6
PAN
Bluetooth
• Standard
• volume 1 Core (1082 pages)
– radio, baseband, link manager, service discovery protocol,
transport layer, and interoperability with different communication
protocols.
• Volume2 profile
– Specify protocols and procedures required for applications
© 2005 H. H’mimy
SMU EE 8315 Advanced Topics in Wireless Communications - Spring’05
Lecture 12, Slide 7
PAN
Forecast worldwide sales 2005
Million units
1000
900
800
700
cameras & misc.
mobile computers and
handheld devices
Internet connection device
remote control
printers
CD-player
mobile accessories
TV/VCR/DVD
600
500
400
desktop accessories
mobile phones
telephone answering
devices
300
200
cordless phones
100
desktop computers
Mobile devices
Desktop devices
Consumer electronics
Source: IDC, Strategy Analytics, Ericsson, Silver Institute.
© 2005 H. H’mimy
SMU EE 8315 Advanced Topics in Wireless Communications - Spring’05
Lecture 12, Slide 8
PAN
Technology comparison
IrDA
• Wireless data cable replacement
HomeRF
• Networking mobile data and voice devices to a
PCs anywhere in the home
Wireless LAN
• Wireless enterprise networking in the office
DECT
• Wireless voice at home and in the office
© 2005 H. H’mimy
SMU EE 8315 Advanced Topics in Wireless Communications - Spring’05
Lecture 12, Slide 9
PAN
Advanced topics in Wireless communications:
Applications
WAP, PTT,.
Wireless (cellular) Network
Radio Network
WAP
GW
Core Network
BS
MSC
BSC
BS
SGSN
GGSN
R
PAN
R
AP
R
R
WLAN
Wi Fi
© 2005 H. H’mimy
AP
R
IP Network
SMU EE 8315 Advanced Topics in Wireless Communications - Spring’05
Lecture 12, Slide 10
PAN
Extras
© 2005 H. H’mimy
SMU EE 8315 Advanced Topics in Wireless Communications - Spring’05
Lecture 12, Slide 11