ֻоƬ̽:Ӧ
2005-09-30 12:55ۺϢ
ڳĻϿʵתijŮİųҵǼľưɣǧ֮Ǹ˷Ͳԭ׳һֻ֮ʵֻ֣˴Ϊɹʿı־̳ΪֱرͨŹߣ3GٽĽ죬Ρܡ֡ϷΪӦʹǽĮͨŹܡ
ȻֻǰIJֹͣ˽ĵоƬ֮ڵԵ֮صĵλֻʮ˰ȫССǿǿ"о"IJݱ䡣ĽüоƬĹԽԽǿԽԽСֱӵδֻܡͨҵ쵼-ͨ˾ʼ˺Ͷ³oŸʿ˵"ƶֻΪһָ߶ȼɡɻȱ豸ûͨźͼ㼼ںһ𡣶ڴ˵ֻΪΨһҪĵԣӶȡ̨ʽԺͱʼDZԡ" Ҳû˻ỳֻճеļֵȿɵϵԽշʵʱƶ칫Ҳ֣ʱտƵӣiPod飻ͬʱøָϷУ GPSȫλӵͼȵȸ߶ӦҲܡֻΪһǿϢնˣһƱػδϵӲƷķչ߸Եĸ
ʣоƬݽֻӦչγѭ켣ýӦоƬзΪ3GֻҵʤоƬ̸ͨǵоƬ̶صĶý弯ɲƷƳTIзOMAPΪһͨѶƽ̨ӢضڽPCϵľȫֲֻϣֻоƬ䳧̸ͨڶǰľǰհԵLaunchpadΪҵṩȽ3Gҵйܣ伯ڹǿĵƽоƬСʹüС豸ҲܹйǿӦã߾ȵĶλƵ顢ýƵȫʶϷCDʵ֡Ͷš
ʵ߶ֻֻ֪оƬֻ֧֣ܵ˲ڹֻʱϸĶѯֻáֻ廨ţƷг廨ţΪı߶ͽֻļܿӶת߶ֻӦùܵע߶ֻоƬ֪ʶĻҲͲäĿ۵ȷӦֵܵIJƷǾһƳֻ E159()ΪΪڹֻʱ˼·
E159ǽCDMAгƵĻ֮һɫµĸͨMSM6500оƬ֧ǿĶý幦ܡͨCDMAоƬϴṩоƬڰCDMAΪͨļżΪҪĽɫ˸ó̵ṩоƬֵø١MSM6500оƬýгɫ֧֣ܹдƵƵýʽȷûƶ飬磺ýƵ㲥VODýƵ㲥AODƶۿʵʱݣֱֳƵϢزƾйͨCDMA 1XݴʸߵƣԴﵽ5060kbpsʵ߹ۿӣ͵ӰVOD/AODƵ㲥ķһжڸоƬָ֧߷ֱVGAʾƵܣӶֻתɸý岥ɻõʾӾ顣
߹ۿý֮⣬ֻ"λ֮" ͨGPSǶλϵͳṩܵĵӦáͨƶӪ̵CDMAȡƶնûλϢ (γ) ڵӵͼƽ̨֧£ΪûṩӦһֵҵճʹõĴϢλôijֹϵֻӦſͨ"Ӧ"ҵеʳ/ʱװСݣɫ/װ绰ͼͨƵӵ·δӶ˷·;ʱ䣻һЩԶλĵ̳ͣ˿ڳܵijṩ߾ȵ·ʾȵһӦȫӢAnalysis ResearchһݱԤ⣬ƶλ÷뽫200220Ԫ2006185ԪԤƵ2006꣬ȫֻûͬʱΪƶλ÷ûּDZ3GƶֵҵͨðLaunchpad ӦgpsOneλΪֻеĵӦṩ˸߾ȷȲеεĵĵͼλܡͨնûԣλࡣΪһλµƣҵӦѾʾǿ˽⣬ϺмýӦ˴˹ܶԱʵʱ
ΪͨŽʿԼԸͨľ塣ͨѾڽ8·ƳMSM75000оƬƬƽ̨ںƽ̨ͨνںƽ̨ΪӦֳ豸"ں"ġоƬʵֱЯʽ߱֡3DϷԼý幦--ڼɵͨն֮УԳ豸ıԡںƽ̨Ϊӱ"Զ"ն˸УͨŲƷתΪܻӭߵӲƷMSM7500ṩֵ֧ںնˣܹµ3DϷѷߴ800صļʱƬƵʼ硢ֻʽȫλϵͳGPS١MP3֡ҵûͨPCͬļͱ༭Լ߶ȵİȫԵȸ߷ֱܣ߹Чʣһߵİ칫ҡ
ֻĿٷչıǵճʽ,Ҳ̵Ӱй˵ΪϰߡҲ3Gÿһ˶ԣһϵķԾҲʹһ߹㷺ϵΪȻҪΪһߣֻоƬĹעཫΪճijʶ֮һˡ
ĵַ:http://www.cnonline.org/2005/article/7477.html