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ڵλãֻг
ۿ:WiFiǰ; 3Gй
2009-05-22 18:48йֻԭߣ
ۿʵѧùѧԺڣŷרѯίԱίԱеߺͷչսԹʣҪоΪżϢҵߺҵӪԣڴй߲ҵӵ൱Ӱѧߡ

ΪۿйҵΨһҽ滰ѧߡԭҪۿûӪ̵ĵҵȽ϶ľйأѧߺ㣬ǡҡǡԸ滰ȻʵҲĿǰһЩйأʵϣ3GơȷҲкܶѧ߷ͬǵʺЩ⵽ɱĿǰν3GTDSCDMA磨WAPIͷβһƭ֣⣬ûкļ¸ȫɱۿڱǺ֪ѧߣܶӰ߾߲㣬Ҳֻۿ۲ſܿdzԭ

ۿٴδй3GйƶйͨiPhone(ֻ)ʾԣ⡰3GɱΪ

Ҫ۵㣺

•3GӪʷѶƫߣֻܽDzѶΪ֮Ϊûһ࣬3G粻֧ôûԱʷҪߣѴ󲿷û治Ҫã3Gڶ𣬵òʷѾҪߡʷѲߣһãϵͳ̱DZȻĽ

•3Gܳеģʹʹãͻӵ£Ҫ˵ƵݿҪ3G

•ܹ⿪3GΩһľйŵĹԴ࣬3GWIFIйŵΨһʵҲҪ3G

•2Gû̸ģת3GΪȲתʱѾWIFIˡң3GûҪӵĻڵ3G޷ܣݵijɱӪҲ޷ܵģʷѾ͸ߣʷһߣûͳܲˣͲáԣһѿìܣΪѡԣΪ3Gйˣڼȫת⡣



Ϊ

̸һ3GʷѣܶΪ3GӪʷѶƫߣôֻܽDzѶΪ֮ΪܺܶѶ֪ǹǶ3Gķɣһֱ۵㣺3Gûãй3Gĸ׼ġԣѷӳʷƫߣǿ϶ģΪ3Gڲɵ͵ıìܡ

(Ϊʲôɵͣ3GһվһƵҲǼKʹSDPAҲżסdzޡЩ˵3GٶȺܿ죬ΪʲôΪһվֻһһվ縲ǰ뾶5ôĸ7080ƽ3Gûչʱ7080ƽжûôû3GĻվ⼸KףÿûжKʺ㡣ԣ3GܳеģʹҪ˵ƵݿҪ3G

Ϊʲôô˵ûãӪż룬ĻҪüҪƽʹֻͨ߶ٱƽһ绰ͨʱ110룬ֻҲ1ңҲãݿҲãƽʱﶼԲֻһӡҪģռƹ㣬ҳж3Gϵͳôܵˣܡ

ԣеרҽԲܷչû̫3GһΡһ棬ûûûˣֻˡԣûҪã͵ñû٣ûӪֻˣ3Gһûǰ;ϵͳ䲻ܳеĴģϣƶܣݿһ3GɱΪ

AT&TΪiPhoneûˣҳһռܴ69%

ǰ2005껹2006꣬ͨݿCDMAƣϺͨ70%Ĵݿռˣֻ7%롣

3Gϵͳϣݿģظʹһ3G𣿿϶ˡԣ3GɱΪ粻֧ô࣬ԱʷҪߣѴ󲿷û治ҪãҲãڶ𣬵òʷѾҪߡʷѲߣһãϵͳ̱DZȻĽԣ3Gֲܲãֲôҷſãûкõ飬ҪôʷѹߣҪô粻ͨ߱ؾһ

ڶӪҪû̫٣ҽʷƶҲûͨҲã඼ϵٿǮһ°GGʲô

Ŀǰʷѣͨ150Ǯ3GB200Ǯ5GBƶ˽Ƴ80Ǯ²1700Ǯ13£

ƶҪƹ80Ǯˡ80鲻ܼ򵥡ҸղŽһG㸲ǰ뾶5⼸ʮƽ10صӰģվ̱Ź֡ѶûѸعӰ

80ǮߵADSLˡܹܵ23Gʴأ3GDzɿ˷ìܡ

ûԸĵʷ𣿣ѣ˵һûûУǾԲռʹһ⣬3GΪʲôȫձԭֲҷſñãֲҲãΪѵξ棬ȫˣȫ3GӪձǽ10ʷ֤˵ġô3Gйܸʲôµ񻰳»ס

Ӫ⡣һûϲϲһûˣARPUֵϲϲ

ûˣARPUֵûϵͳȿˣȻϾͶߣȻ͵Ŵ˾òˡⲢʲôµĶɵϣѵܡAT&TΪһiPhone(ֻ)û΢һЩԴҶãĿǰΪֹҲǼiPhoneô˱ıǡAT&TѾDzظʾ69%ĴȫiPhoneȥҳô֧ȥйݿĻiPhoneû鵱Ȼã϶iPhone

ĿǰӪ̻Ŭֵҵֵҵ񿪷Ҫ׬Ǯù

ֻҪܹϻκֵҵ涼СûеĻʵ2Gȫˡԣ3GųƱ2GΩһƾݵĴߣǴġģӦǶסġ

һû϶塣

3Gնֻ֣3GֻӦòΪû鲻ãôСĻʲôҳȻõľ١

ЩҵҪģƵͨȫ֤ƵͨûҪõҵ񣬶ֻһҵ2Gṩ˵ģ3Gҵ񣬱Щý屨ֻֻ2G϶У3GǷţ༰

ܹ3GصҵûУڣƵͨ

Ӧ鲻ûٵʱò80²ʮƽмصӰΡ

3GйͲӦ3Gйȫǿáˮƽߡ㡢ģĺȫõ2G磬£3GйƳԼ

ǼƽжûֹDzܵģջҪWIFI

3GĽǶһˡǣһƵ3Gײ߰ɱǽ3GWIFIйš

йŵص֮һǺWIFIģΪйĿǰľģйƶͨǴĵλ3GղŽȫ綼֤һƹdzѵġȱӦõϵͳԵCDMA2000ȻӼĽǶȣƶTDSCDMAһЩֱȲͨWCDMA

޹ؽҪΪʹWCDMAȫҲǮġ3G϶йŵij·ô2G͸ˡйŵCDMAȫûа취йƶGSMͨGSMĶ֡CDMAϵͳ豸豸ƽɱҪGSM30%ֻնҲƽҪ30%Ƕԭɵġ

һΪȫ緶ΧȱģáͬʱƶġڵûͨGSMûҲһڶ࣬йŻ1100ԭͨCDMAų4200򣬽ӹԺһٵ֮һֻ2800ԣûҲãǴľԡȫûа취йƶйͨԣ2GҲǷġĹ֪ȫΧÿ£ҵ٣ûʧйŵij·ڣûл·ˡ

ô죿йŵþͺĵذWIFI棬3GײͣʵƶҵWIFIҹŲҲӪ̵Ҫ£ֻҲ߾ԣֻһWIFIϽž绰

绰ҪƣûԼֻԼأûӹֻSKYPEѾԤװˡŲʹ˵߾ֻй׼WAPIֻҪе֤ܹܲȥʵϾDZ׼WIFIһеײ;3GӹWIFIֳֻWIFIûԼȥ绰Ӫ̹ܲˣҲܡôˣҪ˵50Ǯ£˵100Ǯ£ֻߵġߵġġխġġģȫ£κιʳ;Ǯˣ100Ǯһ£ҪҪ϶ҪڼﰲһADSL100ءеͨŷöˣйARPUһ²20Ǯ30Ǯ100Ǯȫ£㿴ûĶܣWIFI54Mģ뾶ҲͼʮסһףصӰWIFIǵģʲôٹ·н˫ģԶת3Gϡԣ3GΪWIFIIJ䡣

͵ջɳ²֣3GţʵWIFIַйŹƣƴƹ˵˵¥ΪWIFIȫ׼ˡϷÿУѾǧǧWIFIȵ㣬ܱ塣籱ڣһǧƽÿƽ2030վָƽ渲ǣܹ˰ɣȫǡ2030WIFIվŶǮйشеǣһٶǮһǰġ

źWIFI·վһԴͷԴͷйԼĹˡ˵һ㣬һǧǮһڣһǧƽÿƽ30վ3վһǧǮһͶʣ30003GͶʵIJ졣˵һǮһ3ڡӳɱ3Gû취ȡȻټĴһ룬йش100Ǯ·54M10ȥ֣صӰÿ˻5M5Mò˰ɡ

⸲WiFiھҸ£ߵĿ100Ǯһ£̶˵¥WIFIԼйش100Ǯһȥڼȫǣ칫ҲȫǣйŹģ90%ϵĻȫˡ

һֱֹWIFIֻУйŽն˶ȱˮкܶ⣩ʵѾ˿ӣϸ¹ŲѾ˵ֻϿWAPIWAPIеıܹܲWIFI

ĿǰWAPIֻͨŲɵָڻǿɽկֻȫ㶨ˡкܶѣҵڣԱ۵ˮֻΪʲôΪͼˣΪֻϵWIFIߴ󲿷ֶԤװSKYPEʹûԤװWIFIԼһ͹ˡWIFIĵط绰ȫˡ

һղ˵3GIJɿ˷ìܣһ⣬WIFIڡ

ڶɱ⣬ڣ100Ǯ£ٺһ㣬50Ǯߡߡխ棬50Ǯ100Ǯһ£ҲƷѣ㰴½ǮˣûκμƷͶߡйϰջ˭ʲôǺԣйŵɱǽ3G壬ʵϽWIFIWIFIйƶ㣬ΪWIFIɱΪ

Ϊʲô3GӪеǰƷѣеǰʱƷѣ磬йƶƷѣDzǵĻ⣿ǻ⡣һΪûб鲼ǧ򻧵Ĺ̶磬ƶֻгӵվûб鲼¥ûԣWIFIɱйźйͨĹɱҪ߼ʮٱΪҪ硣

𣿣˭ԸƶһҶľ𣿼ʹҲҪƶſ֮⡣ǵһɱڶйƶڵĻ70%80%룬һȫûˡйƶARPU6070Ǯ50Ǯ£𣿵û⣬ARPU20Ǯ50Ǯû⣬һ۸ս͵ſԣ3GȻй̨йĿŵƶһ·ʯ

ӪôӦйأͨ߰ɣͨ⻹ûףֻҪйˣͨıг϶ҲƶͷưɣƫԶ˼ĵȥĸƣҲһЩҵ

ƶṩ߹̻3GΪʵûûΪˣǿӪ3GײͲһƶͨǼģΪ֪һãͻ̱ǵǼʱģʱһǰ£¡ΪʲôŸΪһWIFI׼ΪWIFIںԮʽWIFIҵ֮ҪͿWIFIˡԣйŵսԲ͸ҡͨûƶҪôûʹҲΪɱ

ʱ仰˵ͿصӰP2PΪʲôΪʲôֻʱΪWIFIĺ󱸶ӣҾͿһͻһWIFIƵǰ̨ʹ3GΪWIFIijģ˵ԡ

ûձ黶ӭʱƷѣйͨйƶٳٲ㰴ʱշѣ᲻Ӱ죿Ȼϻ㣬͵IJԭʲôϻ˵ҳһƪ£ԱߵĹ桢ͼƬж¶༸ʮKԱߵͼƬMѴ󲿷ֻڿͼƬϣ˲߸ԣƷǵdzԲġΪƶͨ꣬ϵͳ̱ŸΪû3Gͨٽ3GWIFI

Ӫ3G֮źٶȻô2G3Gʲôʱʼת̸תȲתʱѾWIFIˡΪղŽˣûҪӵĻڵ޷ܣݵijɱӪҲ޷ܵģʷѾ͸ߣʷѸߣûܲˣûͲáԣһѿìܣΪѡԣܹ⿪Ωһľйŵջɳ²֣3GWIFIйŵΨһʵҲҪ3Gԣ˵Ǿ仰3Gйˣڼת⡣

˵ʵй3GչδDzİողԤ·ȥչֻпʱ䡣ţҪȴʱ䲢Ҫ̫á

ۿ֮ǰüԤԲ඼ʵˣ˵ΪйϱֲһѧжϣڹѾˡԤСͨ굽Ҳࡣ

ΪйŵɱǰûڹýϹƣϣǵĵżܲŲҪȡһЩûбҪĴʩȥֹϣǼ֡ȽȺڵĸ棬ҲǴߵ棬߲Эйƻijɹ

ĵַ:http://www.cnonline.org/2009/article/11183.html

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