FDD2015ǰᷢ ͨŲ
2014-12-25 23:04йֻԭ
ǰŲ׳20154Gûƻﵽ2.5ڻLTE FDDսTDDӵһģš˼ҵڽǰͨȫFDDա
Ȼ6£Ųйͨйŷֱ16пչFDDãFDD/TDDݵ56ǺȫǵȻܴ
Ŀǰû棬й11ƶ绰û1313Gû202ۼƴﵽ1.1663ڻйͨ11¾ƶ绰û55.43G/4GûҲ109.3ۼƴﵽ1.47952ڻ
TDDѾչһ࣬йƶƸԣFDDغͨſѺйƶ¢ϡ
Ϊ˷йTDDʽйƶգ߱ûƣȻTDDվ棬ƶѾ704Gվ4Gûͻ8000
ͨ͵ţȻ7ºFDDTDDҲTDDIJ֡ǴĿǰʵйͨڿչTDDΪѾӵе3GйCDMA3.1Mbps ͨWCDMA 21Mbps ƶ2.8Mbspʵٶÿٶȴʵ״̬Լ200KBͨ600KBƶ150KBƶ3GеŸü֮ãйͨ졣4G棬ʵƶиһ״̬ÿ2MBҡͨûвTDDĶһҲͨ3Gӡ֤
еźֳͨ϶ںFDDFDDңңڣԵŵӰ
TDDFDDƻʽҲ˹ŲTDDƫάƶͨги֣ƶгռʡ3Gʱʲͬ3GʱŲƽӪ̵гij̶ֳйƶйͨTD-SCDMAWCDMACDMA 2000ոƶͨ͵šƶȻгǻõTD-SCDMAйбйͨȡ˹ͨרѼ͵WCDMAйŻƽȴΪεCDMAйڻʵ
4G棬TDDҪؽ磬ͨ͵ŵFDDԼϾܾFDDվͱͨŽTDDӶѸƶTDDҵͨŲˣԭΪ£˾߲FDDҲTDDռ̶ȶһӡ
ȻΪйطάԼTDDҵΥ˹ƽԭΪFDDչѸйƶûôԻñTDD˵Ҳڹƽԡʵո߶¢Ӫҵģʽֺйƽء
ΪնûTDDFDDѡйƶ4GͻŤת3GʱTD-SCDMAƾ棬رƶն˳̺Ͳҵķ֣ʹĿǰTDD4Gֻļ۸ͬͺŵFDDͨ棩ձҪ͡ǷƶĸҲԶԶͨͨ͵ŵWCDMACDMA 20003GƵȻ档
2015FDDշţйͨйڸǵҲƶ˴ѡʹΪôҵȵûȻѡйƶ
ĵַ:http://www.cnonline.org/2014/article/12038.html
Ȼ6£Ųйͨйŷֱ16пչFDDãFDD/TDDݵ56ǺȫǵȻܴ
Ŀǰû棬й11ƶ绰û1313Gû202ۼƴﵽ1.1663ڻйͨ11¾ƶ绰û55.43G/4GûҲ109.3ۼƴﵽ1.47952ڻ
TDDѾչһ࣬йƶƸԣFDDغͨſѺйƶ¢ϡ
Ϊ˷йTDDʽйƶգ߱ûƣȻTDDվ棬ƶѾ704Gվ4Gûͻ8000
ͨ͵ţȻ7ºFDDTDDҲTDDIJ֡ǴĿǰʵйͨڿչTDDΪѾӵе3GйCDMA3.1Mbps ͨWCDMA 21Mbps ƶ2.8Mbspʵٶÿٶȴʵ״̬Լ200KBͨ600KBƶ150KBƶ3GеŸü֮ãйͨ졣4G棬ʵƶиһ״̬ÿ2MBҡͨûвTDDĶһҲͨ3Gӡ֤
еźֳͨ϶ںFDDFDDңңڣԵŵӰ
TDDFDDƻʽҲ˹ŲTDDƫάƶͨги֣ƶгռʡ3Gʱʲͬ3GʱŲƽӪ̵гij̶ֳйƶйͨTD-SCDMAWCDMACDMA 2000ոƶͨ͵šƶȻгǻõTD-SCDMAйбйͨȡ˹ͨרѼ͵WCDMAйŻƽȴΪεCDMAйڻʵ
4G棬TDDҪؽ磬ͨ͵ŵFDDԼϾܾFDDվͱͨŽTDDӶѸƶTDDҵͨŲˣԭΪ£˾߲FDDҲTDDռ̶ȶһӡ
ȻΪйطάԼTDDҵΥ˹ƽԭΪFDDչѸйƶûôԻñTDD˵Ҳڹƽԡʵո߶¢Ӫҵģʽֺйƽء
ΪնûTDDFDDѡйƶ4GͻŤת3GʱTD-SCDMAƾ棬رƶն˳̺Ͳҵķ֣ʹĿǰTDD4Gֻļ۸ͬͺŵFDDͨ棩ձҪ͡ǷƶĸҲԶԶͨͨ͵ŵWCDMACDMA 20003GƵȻ档
2015FDDշţйͨйڸǵҲƶ˴ѡʹΪôҵȵûȻѡйƶ
ĵַ:http://www.cnonline.org/2014/article/12038.html