Ų3GŶб 159ŶΪGSM
2005-08-26 13:32йֻԭ
գý屬ƶ159ŶκƶһŶGSM磬ҵƶӵ134-1396ں룬134ŶҲòãûбҪʹ159ŶΡ159ŶδϺ139Ŷβ룬Իƶ⽫˺Ŷδ3Gʹá
ŲԱʾ˴159ŶΣֻĿǰûϿ죬кԴ˲µĺŶΣʵ2003ѿʼ룬˴η159Ŷ3Gûκιϵ
ͬʱϢʿƣ159ŶGSMδ3GŶλݵʱȥȷһ2G3G
1592G3Gƽȹɣ
йƶбʾ˾ƻеʩͬʱǿҵķչʵ3Gƽȹɡ
йƶܾ3Gշź߱ǰ£ҪĵHSDPAսԲȴغƳȻڲչ2G3Gйܳһʱ䡣бij¯Ҳӡ֤һսļƻбʾ˾ƻʹ3GPPR4汾WCDMA
йƶʽʼΪWCDMAҡź˴λ3GŶΣǷԴйƶδ3Gɵ·ʻ
йҵִı仯֮ǰйƶGSMɵWCDMAҵʿϵĽйƶѡHSDPA3GǴսԽǶȿ⣬һüռƸߵ㣻ǺͶֲĵҪǰռݵгŲоԺϯר½ʾ
ŲŹйʿԼ߱ʾڹڷ3G֮ؽҵֵı仯ڣйƶ˵粿ƵԴԼԴǰλƶĿǰ3Gսϵĵ֮
ĵַ:http://www.cnonline.org/2005/article/7305.html
ŲԱʾ˴159ŶΣֻĿǰûϿ죬кԴ˲µĺŶΣʵ2003ѿʼ룬˴η159Ŷ3Gûκιϵ
ͬʱϢʿƣ159ŶGSMδ3GŶλݵʱȥȷһ2G3G
1592G3Gƽȹɣ
йƶбʾ˾ƻеʩͬʱǿҵķչʵ3Gƽȹɡ
йƶܾ3Gշź߱ǰ£ҪĵHSDPAսԲȴغƳȻڲչ2G3Gйܳһʱ䡣бij¯Ҳӡ֤һսļƻбʾ˾ƻʹ3GPPR4汾WCDMA
йƶʽʼΪWCDMAҡź˴λ3GŶΣǷԴйƶδ3Gɵ·ʻ
йҵִı仯֮ǰйƶGSMɵWCDMAҵʿϵĽйƶѡHSDPA3GǴսԽǶȿ⣬һüռƸߵ㣻ǺͶֲĵҪǰռݵгŲоԺϯר½ʾ
ŲŹйʿԼ߱ʾڹڷ3G֮ؽҵֵı仯ڣйƶ˵粿ƵԴԼԴǰλƶĿǰ3Gսϵĵ֮
ĵַ:http://www.cnonline.org/2005/article/7305.html