北美的G.pptVIP

3G From a North American Perspective Stuart Jeffery VP of Networks ComMagine Inc 1072 Seena Ave Los Altos, CA 94024 E-mail stu@seena.net Office +1 650.966.8199 Mobile +1 916.799.4500 Trends in Wireless Outline US wireless history US versus European Markets Technology evolution Emerging services 3G wireless Unlicensed Wireless User Terminal Path to global interworking BC (Before Cellular) Single Channel Radio Telephone High power transmitter on a high spot Each user has own channel range of 50 miles Trunked Radio “Trunking efficiency” by sharing channels More spectrum efficient Cellular like Trunked radio, share the channels Low power= small coverage area Low power = frequency reuse More expensive infrastructure History (USA Part 1) History (USA Part 2) History (USA Part 3) Europe consolidated on GSM Meanwhile in ... Japan Similar to Europe multitude of standards NTT in 1979 JTACS in 1988 PDC in 1993 Pacific Digital Cellular - Challenge GSM in ASIA Narrow band digital, similar to NA-TDMA Packet data mode, similar CDPD Reality - PDC is very big in Japan, but no traction elsewhere But I mode is extremely popular and low data rate DoCoMo - got it right and the rest of the world is watching Wireless Data Key Data Networks in US US versus European Markets Auctions -Started in US by FCC How Licenses are issued 1 - Applications 2 - “Comparative Hearings” / “Beauty Contests” 3 - Lotteries 4 - Auctions Auctions issues - The user ultimately has to pay - it is a tax A and B bands for PCS ~ $13.00 per POP ($0.43/Mhz/pop) C band for PCS ~ $33.81 per POP ($1.13/MHz/pop) F band reauction for NYC ~ $114.00 per POP ($11.40/ MHz/pop) Licenses fee is a tax 3G Costs - UK Model European Mobile Revenue Forecast ($M) Technical Evolution ITU FLMTS band at WARC 92 US 3 G Plan Services Issues Data - What Are Consumer Needs? Affordable Terminal Service “Attractive” terminal Human factors input / output Battery life Form factor Responsiveness Useful data (“walled garden”) Quick r