ΪۿйҵΨһҽ滰ѧߡԭҪۿûӪ̵ĵҵȽ϶ľйأѧߺ㣬ǡҡǡԸ滰ȻʵҲĿǰһЩйأʵϣ3GơȷҲкܶѧ߷ͬǵʺЩɱĿǰν3GTDSCDMA磨WAPIͷβһƭ֣⣬ûкļ¸ȫɱۿڱǺ֪ѧߣܶӰ߾߲㣬Ҳֻۿ۲ſܿdzԭ
ۿٴδй3GйƶйͨiPhone(ֻ)ʾԣ⡰3GɱΪ
Ҫ۵㣺
•3GӪʷѶƫߣֻܽDzѶΪ֮Ϊûһ࣬3G粻֧ôûԱʷҪߣѴû治Ҫã3Gڶ𣬵òʷѾҪߡʷѲߣһãϵͳ̱DZȻĽ
•3Gܳеģʹʹãͻӵ£Ҫ˵ƵݿҪ3G
•ܹ3GΩһľйŵĹԴ࣬3GWIFIйŵΨһʵҲҪ3G
•2Gû̸ģת3GΪȲתʱѾWIFIˡң3GûҪӵĻڵ3GܣݵijɱӪҲܵģʷѾߣʷһߣûͳܲˣͲáԣһѿìܣΪѡԣΪ3Gйˣڼȫת⡣
Ϊ
̸һ3GʷѣܶΪ3GӪʷѶƫߣôֻܽDzѶΪ֮ΪܺܶѶ֪ǹǶ3Gķɣһֱ۵㣺3Gûãй3Gĸġԣѷӳʷƫߣǿ϶ģΪ3Gڲɵ͵ıìܡ
(Ϊʲôɵͣ3GһվһƵҲǼKʹSDPAҲżסdzޡЩ˵3GٶȺܿ죬ΪʲôΪһվֻһһվ縲ǰ뾶5ôĸ7080ƽ3Gûչʱ7080ƽжûôû3GĻվ⼸KףÿûжKʺ㡣ԣ3GܳеģʹҪ˵ƵݿҪ3G
Ϊʲôô˵ûãӪż룬ĻҪüҪƽʹֻͨ߶ٱƽһ绰ͨʱ110룬ֻҲ1ңҲãݿҲãƽʱﶼԲֻһӡҪģռƹ㣬ҳж3Gϵͳôܵˣܡ
ԣеרҽԲܷչû̫3GһΡһ棬ûûûˣֻˡԣûҪã͵ñû٣ûӪֻˣ3Gһûǰ;ϵͳ䲻ܳеĴģϣƶܣݿһ3GɱΪ
AT&TΪiPhoneûˣҳһռܴ69%
ǰ2005껹2006꣬ͨݿCDMAƣϺͨ70%Ĵݿռˣֻ7%롣
3Gϵͳϣݿģظʹһ3G𣿿϶ˡԣ3GɱΪ粻֧ô࣬ԱʷҪߣѴû治ҪãҲãڶ𣬵òʷѾҪߡʷѲߣһãϵͳ̱DZȻĽԣ3Gֲܲãֲôҷſãûкõ飬ҪôʷѹߣҪô粻ͨ߱ؾһ
ڶӪҪû̫٣ҽʷƶҲûͨҲãϵٿǮһ°GGʲô
Ŀǰʷѣͨ150Ǯ3GB200Ǯ5GBƶ˽Ƴ80Ǯ²1700Ǯ13£
ƶҪƹ80Ǯˡ80鲻ܼҸղŽһG㸲ǰ뾶5⼸ʮƽ10صӰģվ̱Ź֡ѶûѸعӰ
80ǮߵADSLˡܹܵ23Gʴأ3GDzɿ˷ìܡ
ûԸĵʷ𣿣ѣ˵һûûУǾԲռʹһ⣬3GΪʲôȫձԭֲҷſñãֲҲãΪѵξ棬ȫˣȫ3GӪձǽ10ʷ֤˵ġô3Gйܸʲôµ»ס
Ӫ⡣һûϲϲһûˣARPUֵϲϲ
ûˣARPUֵûϵͳȿˣȻϾͶߣȻ͵Ŵ˾òˡⲢʲôµĶɵϣѵܡAT&TΪһiPhone(ֻ)ûһЩԴҶãĿǰΪֹҲǼiPhoneô˱ıǡAT&TѾDzظʾ69%ĴȫiPhoneȥҳô֧ȥйݿĻiPhoneû鵱Ȼã϶iPhone
ĿǰӪ̻ŬֵҵֵҵҪǮù
ֻҪܹϻκֵҵ涼СûеĻʵ2Gȫˡԣ3GųƱ2GΩһƾݵĴߣǴġģӦǶסġ
һû϶塣
3Gնֻ֣3GֻӦòΪû鲻ãôСĻʲôҳȻõľ١
ЩҵҪģƵͨȫ֤ƵͨûҪõҵֻһҵ2Gṩ˵ģ3GҵЩý屨ֻֻ2G϶У3GǷţ༰
ܹ3GصҵûУڣƵͨ
Ӧ鲻ûٵʱò80²ʮƽмصӰΡ
3GйͲӦ3Gйȫǿáˮƽߡ㡢ģĺȫõ2G磬£3GйƳԼ
ǼƽжûֹDzܵģջҪWIFI
3GĽǶһˡǣһƵ3Gײ߰ɱǽ3GWIFIйš
йŵص֮һǺWIFIģΪйĿǰľģйƶͨǴĵλ3GղŽȫ綼֤һƹdzѵġȱӦõϵͳԵCDMA2000ȻӼĽǶȣƶTDSCDMAһЩֱȲͨWCDMA
ؽҪΪʹWCDMAȫҲǮġ3G϶йŵij·ô2GˡйŵCDMAȫûа취йƶGSMͨGSMĶ֡CDMAϵͳ豸豸ƽɱҪGSM30%ֻնҲƽҪ30%Ƕԭɵġ
һΪȫ緶ΧȱģáͬʱƶġڵûͨGSMûҲһڶ࣬йŻ1100ԭͨCDMAų4200ӹԺһٵ֮һֻ2800ԣûҲãǴľԡȫûа취йƶйͨԣ2GҲǷġĹ֪ȫΧÿ£ҵ٣ûʧйŵij·ڣûл·ˡ
ô죿йŵþͺĵذWIFI棬3GײͣʵƶҵWIFIҹŲҲӪ̵Ҫ£ֻҲ߾ԣֻһWIFIϽž绰
绰ҪƣûԼֻԼأûӹֻSKYPEѾԤװˡŲʹ˵߾ֻйWAPIֻҪе֤ܹܲȥʵϾDZWIFIһеײ;3GӹWIFIֳֻWIFIûԼȥ绰Ӫ̹ܲˣҲܡôˣҪ˵50Ǯ£˵100Ǯ£ֻߵġߵġġխġġģȫ£κιʳ;Ǯˣ100Ǯһ£ҪҪ϶ҪڼﰲһADSL100ءеͨŷöˣйARPUһ²20Ǯ30Ǯ100Ǯȫ£㿴ûĶܣWIFI54Mģ뾶ҲͼʮסһףصӰWIFIǵģʲôٹ·н˫ģԶת3Gϡԣ3GΪWIFIIJ䡣
͵ջɳ²֣3GţʵWIFIַйŹƣƴƹ˵˵¥ΪWIFIȫˡϷÿУѾǧǧWIFIȵ㣬ܱ塣籱ڣһǧƽÿƽ2030վָƽ渲ǣܹ˰ɣȫǡ2030WIFIվŶǮйشеǣһٶǮһǰġ
źWIFI·վһԴͷԴͷйԼĹˡ˵һ㣬һǧǮһڣһǧƽÿƽ30վ3վһǧǮһͶʣ30003GͶʵIJ졣˵һǮһ3ڡӳɱ3Gû취ȡȻټĴһ룬йش100Ǯ·54M10ȥ֣صӰÿ˻5M5Mò˰ɡ
⸲WiFiھҸ£ߵĿ100Ǯһ£̶˵¥WIFIԼйش100Ǯһȥڼȫǣ칫ҲȫǣйŹģ90%ϵĻȫˡ
һֱֹWIFIֻУйŽն˶ȱˮкܶ⣩ʵѾ˿ӣϸ¹ŲѾ˵ֻϿWAPIWAPIеıܹܲWIFI
ĿǰWAPIֻͨŲɵָڻǿɽկֻȫ㶨ˡкܶѣҵڣԱ۵ˮֻΪʲôΪͼˣΪֻϵWIFIߴֶԤװSKYPEʹûԤװWIFIԼһˡWIFIĵط绰ȫˡ
һղ˵3GIJɿ˷ìܣһ⣬WIFIڡ
ڶɱ⣬ڣ100Ǯ£ٺһ㣬50Ǯߡߡխ棬50Ǯ100Ǯһ£ҲƷѣ㰴½ǮˣûκμƷͶߡйϰջ˭ʲôǺԣйŵɱǽ3G壬ʵϽWIFIWIFIйƶ㣬ΪWIFIɱΪ
Ϊʲô3GӪеǰƷѣеǰʱƷѣ磬йƶƷѣDzǵĻ⣿ǻ⡣һΪûб鲼ǧĹ̶磬ƶֻгӵվûб鲼¥ûԣWIFIɱйźйͨĹɱҪʮٱΪҪ硣
𣿣˭ԸƶһҶľ𣿼ʹҲҪƶſ֮⡣ǵһɱڶйƶڵĻ70%80%룬һȫûˡйƶARPU6070Ǯ50Ǯ£𣿵û⣬ARPU20Ǯ50Ǯû⣬һ۸ս͵ſԣ3GȻй̨йĿŵƶһ·ʯ
ӪôӦйأͨ߰ɣͨûףֻҪйˣͨıг϶ҲƶͷưɣƫԶ˼ĵȥĸƣҲһЩҵ
ƶṩ߹̻3GΪʵûûΪˣǿӪ3GײͲһƶͨǼģΪ֪һãͻ̱ǵǼʱģʱһǰ£¡ΪʲôŸΪһWIFIΪWIFIںԮʽWIFIҵ֮ҪͿWIFIˡԣйŵսԲҡͨûƶҪôûʹҲΪɱ
ʱ仰˵ͿصӰP2PΪʲôΪʲôֻʱΪWIFIĺӣҾͿһͻһWIFIƵǰ̨ʹ3GΪWIFIijģ˵ԡ
ûձ黶ӭʱƷѣйͨйƶٳٲ㰴ʱշѣӰ죿Ȼϻ㣬͵IJԭʲôϻ˵ҳһƪ£ԱߵĹ桢ͼƬж¶༸ʮKԱߵͼƬMѴֻڿͼƬϣ˲߸ԣƷǵdzԲġΪƶͨ꣬ϵͳ̱ŸΪû3Gͨٽ3GWIFI
Ӫ3G֮źٶȻô2G3Gʲôʱʼת̸תȲתʱѾWIFIˡΪղŽˣûҪӵĻڵܣݵijɱӪҲܵģʷѾߣʷѸߣûܲˣûͲáԣһѿìܣΪѡԣܹΩһľйŵջɳ²֣3GWIFIйŵΨһʵҲҪ3Gԣ˵Ǿ仰3Gйˣڼת⡣
˵ʵй3GչδDzİողԤ·ȥչֻпʱ䡣ţҪȴʱ䲢Ҫ̫á
ۿ֮ǰüԤԲʵˣ˵ΪйϱֲһѧжϣڹѾˡԤСͨ굽Ҳࡣ
ΪйŵɱǰûڹýϹƣϣǵĵżܲŲҪȡһЩûбҪĴʩȥֹϣǼ֡ȽȺڵĸ棬ҲǴߵ棬߲Эйƻijɹ
ĵַ:http://www.cnonline.org/2009/article/11183.html