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ڵλãֻг
ƻ赽ʢCDMAг
2008-11-10 00:34йֻԭߣ
һȱCDMAйӪֿȡΪйƶйšйֱͨӪTDCDMAWCDMA3G磬ĿǰĿƶTDٲά裬ͨWCDMẠΨһľеŵCDMA

йŽCDMAԤ3ǰֻɹŹȥͨCӪȻڣն˳̳࣬Ӫ̹ӣԼCķչйŶCĸٷչƶܷı䳧̵ĹעȴԶ׼ġ

ܹעľˣGSMƳMTKоƬϽ棬ʹøն˳̲ԼȥԻʱǮͿõһӽʡʱʡʡǮ

2008죬ȫԽΣķزгμⲨҵĸ棬ͶʻԹ˲Ͼ˦ͱչ

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MTKȲƱʾ20081-9ӪΪ692.93̨ңͬ16.34%ǰӪΪ̨416.96Ԫͬ25.1%Ȼ߷羰ãȫԾ˥˵Ӱ»˾˵ĸ

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3GгͬʱѺTD-SCDMAWCDMAֻICWCDMAƷԤ׶Կͻ۽ڵΪWCDMAŷƵĹ񣬵ڵؿ3GδWCDMAֻICҲڵۡ

ǣĵҵƶTD-SCDMAͨWCDMAйŵCDMA2000Լķչռ䣬ȴر̸CDMAѡ˳Ĭ

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鷽ʢCDMAоƬΪһιͨר⣬ΪϣҵֻṩԵͳɱIJƷܵٹֻҵ׷ǰֻеƼCECT棬ʽʢƳCDMAֻ

ʵϣ2006꣬δڹGSMֻгγԭ֮ƵMTKѾʢ˴˴һʱʢ⽫ͶʵCDMAƵƬƼVIATelecomMTK߾µؾʢ顣ݳƣԭڵʱCDMAֻΪĿͻ϶࣬ƹй½гص㣡

ȻָδCDMACDMA2000һйصƶг棬һԹߡCDMA棬йĿǰսȻԼвɹΪطȻͨԭеģʽɵĽǣνɽկѽ뼯ɣʽCDMAгԥҪأڵȴȴйŷչCDMAIJ֮ж

Ŀǰ3G緽棬TD⣬ȻĿǰȷǵCDMA2000ȻͨWCDMAΪͨĹ滮3WCDMAû20%ɳ2000

ǶCDMA2000WCDMAרĿǰ޷㣬չʢCDMAƷߣƽٵؽгͬʱרš

ĸ±ڣȥCDMAͨӪ²Ӫ̶ƺͼɵķʽַʽһıɱɽկķʽɽկӵеļ۸Ӫ̵бûκʤĿܡ

⣬3GʱֻΪ߻ںϵնIphoneGoogleHTCG1Լ΢WinCEںWindowsMobileϵͳֻ֤Ȼȥ2Gʱֻܷš绰աMP3ֻѾӦˡΪûṩȫܶͼ۵Ķýֻ־߱աֵֹֻܵ۸ֻҪ300-800Ԫ

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ǿԿͬһоƬӲϵͳϵͳӦȫһͳͬʻģӮгģʽܵսϾŵϵͳǷҪģ

3GƵȷʵǸ߶ȵͬʻô۴ӼϻDz컯Ի棬ܷи߶гĹʾͷͺܳ⡣ƻֻܹõͶֻгһгĿǰ3Gг޴

ԣδƺȥδӣһйͨûйڶ̶ֻĵ⡣

ĵַ:http://www.cnonline.org/2008/article/10957.html

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