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已解决问题
在Gn口怎么区别2G和3G的终端接入?  (进入论坛模式)
提问者:yellowsun   |  提问时间:2011-7-23 16:21
在Gn口怎么区别2G和3G的终端接入?是不是通过SAI的值判断?
关闭所有答案回应     最佳答案
CREATE_PDP_REQ中有rattype,1是3G, 2是2G
 |  回应该答案 (0)  |  回答时间:2011-7-25 16:52
其他答案 ( 4 条 )
不知道这个还
 |  回应该答案 (0)  |  回答者:li99099   |  2011-7-23 17:15
找个Gn的数据包解开看看不就知道了
[img]data:image/png;base64,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[/img]
 |  回应该答案 (0)  |  回答者:neutrino0718   |  2011-7-29 16:05
rattype是可选字段,如果有3G终端,是不是网络默认打开?
 |  回应该答案 (0)  |  回答者:yellowsun   |  2011-8-1 21:59
有3G终端不代表这个终端一定要用3G网络。核心网侧只有SGSN才明确的知道这个用户现在用的是2G还是3G(Gb还是Iu)。
中国移动现网rattype是明确要求打开的,除了部分很老的SGSN还使用GTPV0外,其他SGSN都是会上报rattype的。联通情况不清楚,但是估计也会有类似要求。
从SAI来获取对应的2/3G关系,实现起来太麻烦了,主要是运营商会不会把这个数据给你。而且不知道是否规划了2/3G公用RAI的情况。另外如果你从近GGSN侧Gn采数据的话,roamer的情况你怎么处理?
综上,只有rattype最有效。
 |  回应该答案 (0)  |  回答者:hycl5410   |  2011-8-2 11:32
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