ɫƽGSMͨ뷽
2003-09-05 12:23
ɫСϢɫй̼ѧԺ(TECHNION)оԱǰǷƽGSMƶ绰ϵͳϵͳķGSMƶ绰ϵͳĿǰΪȽϰȫֶͨΡ
GSMĿǰȫҪƶ绰ͨű֮һҵռȫг70%ϡȫ繲Լ540ƶͨŹ˾ṩGSMͨŷû8.7֮ڡ
ɫй̼ѧԺİݺķʾǴ˴ѡGSMΪ֮ǰѾʵ֤CDMAһǿƽġΪGSMǿģǻҵһƽķҲΪκһҵ˾ҲΪֵõôֻһЩ뵽ж
Ҫɫй̼ѧԺоԱֵı©⣬GSMƶͨŹ˾ͱȡһϵдʩΪûĿǰʹõֻЩƶͨŹ˾Ҳܲȥȫϵͳ©ǿ3Gƶͨż⡣Ȼ3GϵͳȫռܻҪʱ䡣
ĵַ:http://www.cnonline.org/2003/article/3433.html
GSMĿǰȫҪƶ绰ͨű֮һҵռȫг70%ϡȫ繲Լ540ƶͨŹ˾ṩGSMͨŷû8.7֮ڡ
ɫй̼ѧԺİݺķʾǴ˴ѡGSMΪ֮ǰѾʵ֤CDMAһǿƽġΪGSMǿģǻҵһƽķҲΪκһҵ˾ҲΪֵõôֻһЩ뵽ж
Ҫɫй̼ѧԺоԱֵı©⣬GSMƶͨŹ˾ͱȡһϵдʩΪûĿǰʹõֻЩƶͨŹ˾Ҳܲȥȫϵͳ©ǿ3Gƶͨż⡣Ȼ3GϵͳȫռܻҪʱ䡣
ĵַ:http://www.cnonline.org/2003/article/3433.html