TSM 241 Voice and Data Networking Cellular Communications Applications
Wireless Economics Since the first Cellphone, no wireless provider has turned a profit. In order to make money, the operators must provide attractive tariffed services The future of wireless economy hinges on unique wireless applications (unique in that the wireless technology makes them possible) Let's look at some emerging unique applications....
Applications for 3G IMT-2000 has specified at least ... Voice A variety of voice services Different capacities, different prices All at least as good as wired voice Messaging Services Variety of services - from simple paging to broadcast information subscriptions Wireless Web Specialized wireless web systems that allow high-speed browsing and other Internet capabilities
Messaging System Support
New Applications of Messaging
Voice Mail Notification
Reprogramming - like download new ring tones
Advertising - not spam, but new features and billing reminders
Broadcast Information Services. News, finance, sports, etc. Only problem, these are broadcast, not selective - if you subscribe to one, you get all.
Specialized Information Services. Particular events. This is the non-broadcast info. Such as a stock price reaching a threshold level, or plane flights being delayed. These are normally 'extra tariff' services.
Person-to-Person Messaging. Fastest growing area of messaging. Popular among school kids. Cheaper than voice.
The Wireless Web
Low Capacity: 9.6-14.4kbps
Small screens, and text only
The Wireless Web
HTML doesn't work. It is being replaced
HDML (Handheld Device ML)
XML (Extensible ML)
WAP (Wireless Application Protocol) used between Internet and wireless user. TCP/IP translated to/from WAP at a Gateway.
Where are the ‘Killer Apps’?
3G 'expansions' are not enough
In order to turn a profit operators must determine how to derive additional income from content and services .
In order to sell a service or product, it must:
Reduce Costs or
Save Time or
What are the new capabilities that can be utilized?
It’s all about Information
Location, Motion, Interaction, Co-relations
Combination of technologies: wireless and data-mining
Let's take a look at some of the innovative uses of wireless technology.
driving after midnight is 10 TIMES as risky as at 8:00 a.m.
commuting is the safest kind of driving
parking in high-crime neighborhoods increases payout
Progressive Insurance (Mayfield, Ohio)
“ Autograph” policy: car is outfitted with GPS, cellular modem, microprocessor + 256KB memory
When ignition is turned on, car records location every six minutes
Once a month, uploaded to Progressive by cellphone
Customer is billed retrospectively every month
25-50% savings in premiums
Increases Progressive’s share but also gives them the right share (safe drivers)
GPS and Auto Insurance
Firemen in buildings, vital signs, oxygen remaining
Automatic Identification and Data Capture (AIDC) Problem: how to obtain data from physical objects Examples: product ID, price, serial number Bar code Two-dimensional Magnetic stripe card Smart card Radio Frequency Identification (RFID) Real-Time Locating Systems (RTLS) RFID CIRCUIT TAG WAND READER
Highway toll collection
Inventory, asset management
Gas station billing
Communicates by contact at 142 Kbps
64 KB ROM and 134 KB RAM
Stores 30 digital certificates with 1024-bit keys
Uses: authentication, e-payment, access
Cost: $15-30 in unit quantity
iButton Link Thermocron Button Video
A standard permitting wireless connection of:
Wireless LAN devices
Operates in the 2.4 GHz Industrial-Scientific-Medical (ISM) (unlicensed) band. Packet switched. 1 milliwatt. Low cost.
10m to 100m range
Uses Frequency Hop (FH) spread spectrum, which divides the frequency band into a number of hop channels. During connection, devices hop from one channel to another 1600 times per second
Bandwidth 1-2 megabits/second
Supports up to 8 devices in a piconet (two or more Bluetooth units sharing a channel).
Non line-of-sight transmission through walls and briefcases.
Easy integration of TCP/IP for networking.
Bluetooth Devices NOKIA 9110 + FUJI DIGITAL CAMERA ERICSSON COMMUNICATOR ERICSSON R520 GSM 900/1800/1900 ALCATEL One Touch TM 700 GPRS, WAP ERICSSON BLUETOOTH CELLPHONE HEADSET
Home and Office of the Future SOURCE: IEEE Internet Pipe Mobile display pad Electronic Program guide Read & set security system Home Theater control Display News headlines Grandma’s 3 cups flour 1 cup grated chocolate 1 cup sugar 1 stick butter 1/2 cup chopped walnuts minutes. HOME INDEX Fridge Pad Family Calendar Recipe Display Build shopping lists Voice messaging Intercom Cordless Phone Remote Speech recognition Call by name Build shopping lists Home PBX Office Laptop Connect to office LAN Email Home Printer access Surf from anywhere Share files Grandma’s Brownies 3 cups flour 1 cup grated chocolate 1 cup sugar 1 stick butter Kids Room PC Printer access Internet access File access Ethernet or HomePNA Broadband Main Home PC Additional PC(s) Family Car Trip Navigation downloads Download News/Entertainment
Wireless Application Support
WAP (Wireless Application Protocol) and iMode
High-level protocols that use cellular transport
Uses WML (Wireless Markup Language)
Divides content into “cards” equal to one telephone screen
Simplified but incompatible form of HTML
To send to a WAP phone, must broadcast WML content
WAP Applications Web Content Server Mobile Terminal WAP Gateway Non Mobile Internet User Database Server SOURCE: DANET WAP simulator Mobile Network Internet
Telephone, pager, email, browser, location tracking, banking, airline tickets, entertainment tickets, games
NTT DoCoMo (In Japanese means “anywhere”)
Japan is the wireless Internet leader:
SOURCE: EUROTECHNOLOGY JAPAN K.K.
Sits on top of packet voice/data transport
As of January 2001, > 18 million subscribers
50,000 new ones per day
15% of Japan, 40% of DoCoMo users
1380 “official” sites, 665 application partners
37,000 unofficial sites
Fee based on data transmitted
Phonetic text input (better for Japanese)
SLOW: 9.6 Kbps, but 3G will raise to 384 K in 2001
Uses cHTML (compact HTML)
same rendering model as HTML (whole page at a time)
low memory footprint (no tables or frames)
Java port coming
Standby time: 400 min., device weight 2.4 oz. (74g)
SOURCES: XML.COM , NTT
iMode Operation DoCoMo Packet Network (PDC-P) iMode Servers PACKET DATA HTTP SOURCE: SAITO & SHIN IP IP INFO PROVIDER INTERNET BILLING DB USER DB
Java Concept Car: Putting it all together Visit the Site Web-based, wireless-accessed Service Wireless car ‘re-programming On-the-fly downloaded mapping information JavaRing ‘policy-programmed’ keys Differently levels of wireless communications with the ‘fixed world’