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公开(公告)号:EP2640034A4
公开(公告)日:2014-03-19
申请号:EP11844014
申请日:2011-12-05
申请人: HUAWEI TECH CO LTD
发明人: ZHANG HONGBO , SHI GUANGYU , YAN ZHEFENG , CHAN SHUENG-HAN GARY
IPC分类号: H04L29/08
CPC分类号: H04N21/23106 , H04L67/2842 , H04N21/2225 , H04N21/23116 , H04N21/237 , H04N21/24