已解决问题
[求助][讨论]LTE在个别频段上为什么接收段在发射段左边?
提问者:xiaohaozi100
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提问时间:2012-5-27 20:40
有一个问题一直没有搞明白,在2G,3G阶段,在频段的配置上,一般偏低频是发射段,偏高频的是接收段,比如UMTS 2100,其发射段为1920~1980,接收段为2110~2170,然而在LTE频段上(主要指的是FDD),有些低频段正好反过来了,比如FDD Band 20,其发射段为832~862,接收段为791~821,这种设置是何道理呢?哪位大牛了解这个原因?
The main reason for this(and possibly the same for band 13/14) is shown in the attached picture.
pls find enclosed CEPT report for further information.
如图:http://www.txrjy.com/attachments/month_1205/20120528_98af379a9af15cbf5a92NC0UFNNXCsFE.png
附件1:http://www.txrjy.com/attachment.php?aid=177069
附件2:http://www.txrjy.com/attachment.php?aid=177070
pls find enclosed CEPT report for further information.
如图:http://www.txrjy.com/attachments/month_1205/20120528_98af379a9af15cbf5a92NC0UFNNXCsFE.png
附件1:http://www.txrjy.com/attachment.php?aid=177069
附件2:http://www.txrjy.com/attachment.php?aid=177070
回答时间:2012-5-28 02:57
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