作者gpsOne (CDMA2000)
看板comm_and_RF
标题Re: [建议] 推几个网站 请参考
时间Fri May 19 12:13:05 2006
※ 引述《Lonson ()》之铭言:
: ※ 引述《bribe (kola)》之铭言:
: : http://blog.xuite.net/alexhong/mobilecomm
: : http://140.113.13.93/wireless/IEEE/2005%20summer%20school/download.htm
: : OP请版主砍了
: http://blog.xuite.net/alexhong/mobilecomm/4948676
: Based on the conclusion of TSG-RAN#30 in Dec, 2005
: 1.FDD will not have backward compatiblility with current FDD-UTRA PHY
: DL:OFDMA
: UL:SC-FDMA
: 请问DL, UL这样区别的原因是?
应该是因为downlink时signals是sync.
所以可以用OFDMA
有点类似cdma里头 downlink用Walsh code的道理
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SC-FDMA = single carrier FDMA?
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※ 发信站: 批踢踢实业坊(ptt.cc)
◆ From: 66.75.133.96
1F:推 sovereignty:对,single carrier 05/19 13:25