ȽźͨFDD 4G
2015-02-27 19:23йֻԭ
2015227磬罫4Gոеźͨ磬ҵϢʽϢйżŹ˾йͨż˾šLTE/Ĵַƶͨҵ(LTE FDD)Ӫɡ
ڴǰӪ̾TD-LTEգǴеźͨȻݻFDDδã谭˵źͨ4GչȻҹTD-LTEŷFDDLTEӼϻкܴͬӹӪȻƽݻLTE FDD˸FDD 4GTD-LTEҲãӵļTD-LTEҲһص㣬˹ҲдԼ10%ӪTD-LTE磬Ҫ½ڻĻĿǰȫ17TD-LTELTE FDD˫ģ磬ȻгռкܵͣҲһ塣ֻ֧й20146¿ʼйšйͨ56пչTDFDDLTE顣Ȼʵʱеźͨڹ״̬Ͷ벻ԻFDDաηŵFDDգеšͨ4GչҪ塣
ĿǰTD-LTEʵ˼ؼλijǣܶ˿ھۼĸҲ߱ĿǰӵTD-LTEվ75.8չ4GûԼ1ڻչٶȳҵԤڡǾûΪйƶûTDǰȡ˾ɼҪԽԽоƬйڵطIJƷTD/FDD˫4G֧֣ʹ3GʱйΪնȱйҲԺͨWCDMAնƥеٳ֡
йšйͨFDDգֱӰ죬һǽ4GͶ룬زҵչеͨйƶδ1-2ƶϵIJ࣬ʹӪ̵4Gûӣӡ˵Ŀǰߵ4GʷѽӪ̼Ҿ½
ӼϿTD-LTEFDD-LTEǷʱݽTD-LTETDD汾ijݽΪʱ˫FDD-LTEǷƵģʽijݽٶȣTD-LTEʺʷֱΪ100Mbps50MbpsFDD-LTEʺʷֱΪ150Mbps40Mbps
ӹսϣȻFDDTD-LTEǹʱ4GȻֱͼûֱϵTDҹγҹIJҵҹδʱĻȨҪӰ졣
TD-LTEķչй֣ܵйľ
Ӫ̵Ӱͨ߱ͨõGSM(EDGE)WCDMA(HSPA)磬еŵCDMA2000 1XEVDOڹӪ̲ʵ10%˴ն˷ḻͨĻرĿǰһЩƷֻͨGSM/WCDMA/FDD LTE汾ֻһ㵽ںȫͨ汾֧еCDMA2000磬רȨԭն˷û߳100-300ԪҪӿʱ䣬ΪоƬ鳧̹˵еĿ϶йͨİ汾йƶİ汾ٴеŰ汾
ĵַ:http://www.cnonline.org/2015/article/12052.html
ڴǰӪ̾TD-LTEգǴеźͨȻݻFDDδã谭˵źͨ4GչȻҹTD-LTEŷFDDLTEӼϻкܴͬӹӪȻƽݻLTE FDD˸FDD 4GTD-LTEҲãӵļTD-LTEҲһص㣬˹ҲдԼ10%ӪTD-LTE磬Ҫ½ڻĻĿǰȫ17TD-LTELTE FDD˫ģ磬ȻгռкܵͣҲһ塣ֻ֧й20146¿ʼйšйͨ56пչTDFDDLTE顣Ȼʵʱеźͨڹ״̬Ͷ벻ԻFDDաηŵFDDգеšͨ4GչҪ塣
ĿǰTD-LTEʵ˼ؼλijǣܶ˿ھۼĸҲ߱ĿǰӵTD-LTEվ75.8չ4GûԼ1ڻչٶȳҵԤڡǾûΪйƶûTDǰȡ˾ɼҪԽԽоƬйڵطIJƷTD/FDD˫4G֧֣ʹ3GʱйΪնȱйҲԺͨWCDMAնƥеٳ֡
йšйͨFDDգֱӰ죬һǽ4GͶ룬زҵչеͨйƶδ1-2ƶϵIJ࣬ʹӪ̵4Gûӣӡ˵Ŀǰߵ4GʷѽӪ̼Ҿ½
ӼϿTD-LTEFDD-LTEǷʱݽTD-LTETDD汾ijݽΪʱ˫FDD-LTEǷƵģʽijݽٶȣTD-LTEʺʷֱΪ100Mbps50MbpsFDD-LTEʺʷֱΪ150Mbps40Mbps
ӹսϣȻFDDTD-LTEǹʱ4GȻֱͼûֱϵTDҹγҹIJҵҹδʱĻȨҪӰ졣
TD-LTEķչй֣ܵйľ
Ӫ̵Ӱͨ߱ͨõGSM(EDGE)WCDMA(HSPA)磬еŵCDMA2000 1XEVDOڹӪ̲ʵ10%˴ն˷ḻͨĻرĿǰһЩƷֻͨGSM/WCDMA/FDD LTE汾ֻһ㵽ںȫͨ汾֧еCDMA2000磬רȨԭն˷û߳100-300ԪҪӿʱ䣬ΪоƬ鳧̹˵еĿ϶йͨİ汾йƶİ汾ٴеŰ汾
ĵַ:http://www.cnonline.org/2015/article/12052.html