Lecture 1: Course Overview

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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 Hmimy, Ericsson Inc. hossam.hmimy_at_engr
.smu.edu [phone]
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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.

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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.

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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.

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Bluetooth

• Technical specs.
• TDD 625 msec
• Slow FH 1600hopes/sec or one hope/TS
• ISM band 2.4GHz
• 79 RF channels _at_1MHz each (23 in Japan France and
  Spain)
• GFSK
• range 10-100m
• Symmetric 185.6kbps
• Asymmetric 721kbps

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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

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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

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Forecast worldwide sales 2005
Million units
1000
Internet connection device
cameras misc.
900
remote control
mobile computers and handheld devices
800
printers
CD-player
700
mobile accessories
TV/VCR/DVD
600
500
desktop accessories
telephone answering devices
400
mobile phones
300
200
cordless phones
100
desktop computers
Mobile devices
Desktop devices
Consumer electronics
Source IDC, Strategy Analytics, Ericsson, Silver
Institute.
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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

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Advanced topics in Wireless communications
Applications WAP, PTT,.
Wireless (cellular) Network
Wireless WAN GPRS/EDGE WCDMA CDMA2000 IEEE802.16 I
EEE802.20
WAP GW
Radio Network
Core Network
BS
MSC
BSC
BS
SGSN
GGSN
Bluetooth HomeRF
R
PAN
R
AP
R
Mobile IP VPN
R
R
WLAN HIPERLAN/2
WLAN Wi Fi
AP
IP Network
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Extras