July 11 16 2004 doc IEEE 802 11

July 11 -16, 2004 doc. : IEEE 802. 11 -04 -0700 -01 -0 wng AP Functions for IP Broadcasting Jongtaek Oh (Hansung University) Joongoo Park (Samsung Electronics Co. ) Jaewoo Lim (RRL) Submission 1 J. T. Oh, Hansung/J. G. Park, Samsung/J. W. Lim, RRL

July 11 -16, 2004 doc. : IEEE 802. 11 -04 -0700 -01 -0 wng Contents • • Limitations of Internet services IP broadcasting for wireless LAN Killer applications for IP broadcasting Further work Related Doc. s - 11 -03 -0739 -00 -0 wng-WLAN-Local-Broadcasting-Services. ppt - 11 -04 -0433 -00 -0 wng-ap-functional-requirement-initiatives-for-wlan-broadcasting. ppt Submission 2 J. T. Oh, Hansung/J. G. Park, Samsung/J. W. Lim, RRL

July 11 -16, 2004 doc. : IEEE 802. 11 -04 -0700 -01 -0 wng Basic Limitations of Internet Services • Necessity of unique IP address – Lack of IP addresses to be assigned – Difficulty of managing IP addresses, especially for mobile unit • Client-server model : server access & request – Necessity of pre-knowledge of web site address – Every time click is needed to request information. – So much load to server as increasing number of users Submission 3 J. T. Oh, Hansung/J. G. Park, Samsung/J. W. Lim, RRL

July 11 -16, 2004 doc. : IEEE 802. 11 -04 -0700 -01 -0 wng Network Configuration for IP Broadcasting AP with IP 2 Broadcasting server 1 Internet AP with IP 1 Broadcasting server 2 Submission 4 J. T. Oh, Hansung/J. G. Park, Samsung/J. W. Lim, RRL

July 11 -16, 2004 doc. : IEEE 802. 11 -04 -0700 -01 -0 wng Demo Program in Windows At the server At the client terminal Submission 5 J. T. Oh, Hansung/J. G. Park, Samsung/J. W. Lim, RRL

July 11 -16, 2004 doc. : IEEE 802. 11 -04 -0700 -01 -0 wng Datagram Format & Protocol Stack Protocol ID Dest. IP addr Source IP addr UDP port No. UDP data Internet Datagram Format Application UDP IP MAC PHY L MAC M PHY E IP Addr. Trans. Internet Terminal AP Server Application UDP IP MAC PHY Protocol Stack Submission 6 J. T. Oh, Hansung/J. G. Park, Samsung/J. W. Lim, RRL

July 11 -16, 2004 doc. : IEEE 802. 11 -04 -0700 -01 -0 wng Header Format • Controls broadcasting parameters of AP – Repetition period & duration – Priority control, scrambling, etc. • Type of data – Users can see interesting data only by filtering. – Terminals can use for their own purposes. Ex) SW or firmware upgrade Control flags type of data field broadcast data Simplified Payload Format for IP Broadcasting Submission 7 J. T. Oh, Hansung/J. G. Park, Samsung/J. W. Lim, RRL

July 11 -16, 2004 doc. : IEEE 802. 11 -04 -0700 -01 -0 wng Terminal Initiation for Broadcasting 3) Req. Broadcasting server 4) Broadcasting Data AP Internet timer 6) Quit after time out 5) Data Broadcasting 1) Broadcasting Announcement 2) Req. Broadcasting Submission 8 J. T. Oh, Hansung/J. G. Park, Samsung/J. W. Lim, RRL

July 11 -16, 2004 doc. : IEEE 802. 11 -04 -0700 -01 -0 wng Multicasting + Local Broadcasting Internet AP with multicasting IP addr Broadcasting server Multicasting router IGMP Multicasting router Req. Submission 9 J. T. Oh, Hansung/J. G. Park, Samsung/J. W. Lim, RRL

July 11 -16, 2004 doc. : IEEE 802. 11 -04 -0700 -01 -0 wng Traffic Comparison Total Traffic Conventional Unicasting method Local Broadcasting method L. B. with Terminal Trigger Multicasting + L. B. =Multicasting 8 No. of Terminals ( Submission 10 No. of APs) J. T. Oh, Hansung/J. G. Park, Samsung/J. W. Lim, RRL

July 11 -16, 2004 doc. : IEEE 802. 11 -04 -0700 -01 -0 wng IPSec in Brief • IPSec protocol – Authentication Header (AH) • proof of data origin on received packets, data integrity, anti-replay protection – Encapsulation Security Payload (ESP) • functions of AH + data confidentiality • IPSec mode – Transport mode : end to end protection – Tunnel mode : for VPN Submission 11 J. T. Oh, Hansung/J. G. Park, Samsung/J. W. Lim, RRL

July 11 -16, 2004 doc. : IEEE 802. 11 -04 -0700 -01 -0 wng IPSec for Secure IP Broadcasting between Servers and APs • Requirements – end to end protection in Internet domain – As simple as possible • IPSec protocol + IPSec mode – ESP with transport mode for IP broadcasting encrypted IP header ESP header data field ESP trailer authenticated Simplified IP Datagram Format Submission 12 J. T. Oh, Hansung/J. G. Park, Samsung/J. W. Lim, RRL

July 11 -16, 2004 doc. : IEEE 802. 11 -04 -0700 -01 -0 wng AP Functions for IP Broadcasting Controller IP address translator New Block Data storage (optional) Existing Block Battery (optional) Submission Ethernet or ADSL connection Wireless Transceiver 13 J. T. Oh, Hansung/J. G. Park, Samsung/J. W. Lim, RRL

July 11 -16, 2004 doc. : IEEE 802. 11 -04 -0700 -01 -0 wng Killer Applications of IP Broadcasting Submission 14 J. T. Oh, Hansung/J. G. Park, Samsung/J. W. Lim, RRL

July 11 -16, 2004 doc. : IEEE 802. 11 -04 -0700 -01 -0 wng Simple Bridging between Broadcasting and Internet Connection * Special menu of nearby restaurant Broadcast Text, Graphic, Image, Sound, even Alerting data Korean Restaurant Special price W 5, 000 - Sea food spaghetti - Herb bibimbab lick! c - Italian pizza - Hot cold noodle from just seeing into interactive service - Broadcasting service + Interactive communication service with unique communication network (WLAN) Submission 15 J. T. Oh, Hansung/J. G. Park, Samsung/J. W. Lim, RRL

July 11 -16, 2004 doc. : IEEE 802. 11 -04 -0700 -01 -0 wng Local Shopping Information Services - As users pass through the street, they get the information about shopping, entertainment, restaurant nearby. Submission 16 J. T. Oh, Hansung/J. G. Park, Samsung/J. W. Lim, RRL

July 11 -16, 2004 doc. : IEEE 802. 11 -04 -0700 -01 -0 wng Local Geographic Information Services 1 F Click & move to web site automatically Shop Toilet Cafe Telephone No. Parking lot - The user can get the geographic information without any prior knowledge about where one is. Submission 17 J. T. Oh, Hansung/J. G. Park, Samsung/J. W. Lim, RRL

July 11 -16, 2004 doc. : IEEE 802. 11 -04 -0700 -01 -0 wng Disaster Relief Guiding Services FIRE EXIT ESCAPE ! - With data storage and battery equipped in the AP, emergency information can be broadcast for a while, without power supply and network connection. - User terminal can be awakened with alerting signal. Submission 18 J. T. Oh, Hansung/J. G. Park, Samsung/J. W. Lim, RRL

July 11 -16, 2004 doc. : IEEE 802. 11 -04 -0700 -01 -0 wng Local Traffic Information Services for Drivers repeating - Broadcasting service for local traffic information. No click for requesting data is needed. - The data should be provided to the drivers at least once within the radio zone. So repeated broadcasting is necessary with internal data storage of AP. - Mobility with WLAN is already approved with experiment by several operators. Submission 19 J. T. Oh, Hansung/J. G. Park, Samsung/J. W. Lim, RRL

July 11 -16, 2004 doc. : IEEE 802. 11 -04 -0700 -01 -0 wng Data Throughput Measurement for 11 g in Mobile Environment - Vehicle speed : 160 km/h, AP ANT Height : 1 m - Ref. paper Will be published in IEICE Tr. Comm. Submission 20 J. T. Oh, Hansung/J. G. Park, Samsung/J. W. Lim, RRL

July 11 -16, 2004 doc. : IEEE 802. 11 -04 -0700 -01 -0 wng Sight Seeing Information Service b ear ric isto yh N sp Bus Stop Seoul City Tour . s… ot i Tour Bus This statue is . . . - Informational guidance according to the geographic spot and article. - It consists of text, image, and sound. Submission 21 J. T. Oh, Hansung/J. G. Park, Samsung/J. W. Lim, RRL

July 11 -16, 2004 doc. : IEEE 802. 11 -04 -0700 -01 -0 wng Advertising Business Magic cap W 5 0, 0 00 Just click now! Banner ad. - Internet shopping and advertising business like cable TV Submission 22 J. T. Oh, Hansung/J. G. Park, Samsung/J. W. Lim, RRL

July 11 -16, 2004 doc. : IEEE 802. 11 -04 -0700 -01 -0 wng Private Radio Broadcasting Services - Private radio station using WLAN - With just one AP, text, audio, and moving picture can be broadcast to unlimited number of users within radio zone. • 2 strikes & 3 balls • There is a missing child. Seoul Sports Complex Submission 23 J. T. Oh, Hansung/J. G. Park, Samsung/J. W. Lim, RRL

July 11 -16, 2004 doc. : IEEE 802. 11 -04 -0700 -01 -0 wng Education Services Korean Peninsula - The same contents including broadband data can be provided to students in the class. - Just broadcasting can serve this service; point-to-point delivery wastes so much radio bandwidth. Submission 24 J. T. Oh, Hansung/J. G. Park, Samsung/J. W. Lim, RRL

July 11 -16, 2004 doc. : IEEE 802. 11 -04 -0700 -01 -0 wng Further Work • Standardization for IP Broadcasting protocol – – Submission Header format Messages for announcing, triggering, etc. Data scrambling for tariff Existing protocol for streaming services, etc. 25 J. T. Oh, Hansung/J. G. Park, Samsung/J. W. Lim, RRL

July 11 -16, 2004 doc. : IEEE 802. 11 -04 -0700 -01 -0 wng Thank you ! • Contact point of authors – Jongtaek Oh, Ph. D. Professor of Hansung University, Seoul, Korea. +82 16 232 6172, jtoh@hansung. ac. kr – Joongoo Park, Ph. D. Senior Engineer, Samsung Electronics Co. , LTD, Korea +82 16 9530 5114, t 9 park@samsung. com Submission 26 J. T. Oh, Hansung/J. G. Park, Samsung/J. W. Lim, RRL