С֪ʶ:˫ģֻ
2004-06-14 12:42йֻԭ
ͨ˫ģֻҪУǺܶȴ֪ʲô˫ģֻбҪһ¡
ͬʱ֧GSMCDMAֻ˫ģֻոij֣ʹGSMCDMAֻΪʵʹGSM/CDMA˫ģֻûGSMCDMA֮лЧرͨѺʲ⣬ǰֻʹGSMͨӷ㡣
˼壬νġ˫ģǹģʽ£ģʽGSMCDMA磬νġGSM/CDMA˫ģָֻֻͬʱ֧GSMԼCDMAͨżԸݻʵʲҪѡĸ缼ܷãֻлģʽȥһģʽ£ֻͨdzͨתһģʽϹʵϾֻͨƵʣͨŵȶԶѡ
һЩֻûȽϼеĵʹ˫ģֻΪ˫ģֻܹGSMCDMA֮лʼձͨϣҿͬʱźţȻյźۺϵӣźŹˣͻźţӶøܡ⣬˫ģֻÿֺ֧תơеȴ̸кʾϢ䡢Զζֹܡ
GSM/CDMA˫ģֻͬʱ֮ͬУ˫ģֻɾ缼ص㡣ӼǶȶԣGSMΪƵθߣʹźŴǿڸ¥ĸӻܴõͨͨŸǣCDMA磬ϵͳرͬƵԴCDMAϵͳģ8-10GSM3-4
CDMAеĿֶΣмǿĿֻϿݴҵȡGSM绹нǿıԺͿԣͨȶ߱ƵԴʸߣӿڿţǿŵ㣻CDMAҲԶٶྶźźллĿԣ⽫dzûƶͨݴ䡣
˫ģֻij֣ûԣɽģͬʱֽʵʵģΪʹ˫ģֻͨGSM/CDMAΣ٣ɣͬʱԻ缼ŵ㣬˫ģֻȷֻûɵ160ҽͨš
ֻûǾͨ࣬˵Ľִ֧棬ʹߴɡˮ¡ΪֻԽлʱõǡӲлڴһվһվʱȶϵԭվϵȻѰ½ĸĻվϵͨ˵ġȶϺӡȻϵʱٺ룬оֻһֻŵæ»վϵʱͻ˫ģֻõǡлԽлʱ˫ģֻϵԭվϵͬʱ»վϵֻȷѾ»վϵŽԭվϵϵҲǡȽӺϡĿܼޡ
ĿǰйƶгϣмֻԹڼCDMA磬ͬʱӦGSMCDMA˫ģֻƻڽͿԿ˫ģֻԤƼƳ˫ģֻٶȿ졢ͨߡȶиߡлʽԼƼۺȶŵ㣬ʹøֻ绰ʱֻԶƵ״̬һͨŽֻֽصƵ״̬һλҪȫسûô˫ģֻʹӳͨ裡
Ȼ˫ģֻǿȻӦGSMֻԻᱣ൱Ļ縲ǵƣGSMֻڹκϻкܳһʱƣάˮƽƣоľϵͳѵijҺֳԱĴڣЧؽӪɱϵͳգƷƣGSMֻѹΪ֪ͨû˽˫ģֻƣʹ˫ģֻڳڵĹɱӪѶȼӴGSMֻļкܴĸĽأEFRǿȫʻ룩FRȫʻ룩ԸʹݴҵͶӦãӦ˵GSMֻǺܴġ
ĵַ:http://www.cnonline.org/2004/article/4422.html
ͬʱ֧GSMCDMAֻ˫ģֻոij֣ʹGSMCDMAֻΪʵʹGSM/CDMA˫ģֻûGSMCDMA֮лЧرͨѺʲ⣬ǰֻʹGSMͨӷ㡣
˼壬νġ˫ģǹģʽ£ģʽGSMCDMA磬νġGSM/CDMA˫ģָֻֻͬʱ֧GSMԼCDMAͨżԸݻʵʲҪѡĸ缼ܷãֻлģʽȥһģʽ£ֻͨdzͨתһģʽϹʵϾֻͨƵʣͨŵȶԶѡ
һЩֻûȽϼеĵʹ˫ģֻΪ˫ģֻܹGSMCDMA֮лʼձͨϣҿͬʱźţȻյźۺϵӣźŹˣͻźţӶøܡ⣬˫ģֻÿֺ֧תơеȴ̸кʾϢ䡢Զζֹܡ
GSM/CDMA˫ģֻͬʱ֮ͬУ˫ģֻɾ缼ص㡣ӼǶȶԣGSMΪƵθߣʹźŴǿڸ¥ĸӻܴõͨͨŸǣCDMA磬ϵͳرͬƵԴCDMAϵͳģ8-10GSM3-4
CDMAеĿֶΣмǿĿֻϿݴҵȡGSM绹нǿıԺͿԣͨȶ߱ƵԴʸߣӿڿţǿŵ㣻CDMAҲԶٶྶźźллĿԣ⽫dzûƶͨݴ䡣
˫ģֻij֣ûԣɽģͬʱֽʵʵģΪʹ˫ģֻͨGSM/CDMAΣ٣ɣͬʱԻ缼ŵ㣬˫ģֻȷֻûɵ160ҽͨš
ֻûǾͨ࣬˵Ľִ֧棬ʹߴɡˮ¡ΪֻԽлʱõǡӲлڴһվһվʱȶϵԭվϵȻѰ½ĸĻվϵͨ˵ġȶϺӡȻϵʱٺ룬оֻһֻŵæ»վϵʱͻ˫ģֻõǡлԽлʱ˫ģֻϵԭվϵͬʱ»վϵֻȷѾ»վϵŽԭվϵϵҲǡȽӺϡĿܼޡ
ĿǰйƶгϣмֻԹڼCDMA磬ͬʱӦGSMCDMA˫ģֻƻڽͿԿ˫ģֻԤƼƳ˫ģֻٶȿ졢ͨߡȶиߡлʽԼƼۺȶŵ㣬ʹøֻ绰ʱֻԶƵ״̬һͨŽֻֽصƵ״̬һλҪȫسûô˫ģֻʹӳͨ裡
Ȼ˫ģֻǿȻӦGSMֻԻᱣ൱Ļ縲ǵƣGSMֻڹκϻкܳһʱƣάˮƽƣоľϵͳѵijҺֳԱĴڣЧؽӪɱϵͳգƷƣGSMֻѹΪ֪ͨû˽˫ģֻƣʹ˫ģֻڳڵĹɱӪѶȼӴGSMֻļкܴĸĽأEFRǿȫʻ룩FRȫʻ룩ԸʹݴҵͶӦãӦ˵GSMֻǺܴġ
ĵַ:http://www.cnonline.org/2004/article/4422.html