- ms-android-sep-etsi   : 31    发明 :31    实用 :0    公开 : 0    有效 : 29    无效 : 2
0
US8264996     Signalling channel and radio system for power saving in wireless devices  
1
US8046000     Providing location-based information in local wireless zones  
1
US7646710     Mobility in a multi-access communication network  
1
US7545766     Method for mobile node-foreign agent challenge optimization  
1
US7486735     Sub-carrier allocation for OFDM  
1
US7440433     Mobile IP notification  
0
US7436834     Efficient frame retransmission in a wireless communication environment  
1
US7317680     Channel mapping for OFDM  
1
US7228133     Mobile IP node device and access information  
1
US7145889     Efficient frame retransmission in a wireless communication environment  
1
US7082114     System and method for a wireless unit acquiring a new internet protocol address when roaming between two subnets  
1
US7072336     Communications using adaptive multi-rate codecs  
0
US7042858     Soft handoff for OFDM  
1
US6947490     Cellular radio communications system  
1
US6947483     Method, apparatus, and system for managing data compression in a wireless network  
1
US6880088     Secure maintenance messaging in a digital communications network  
1
US6738618     Method and system for regulating autonomous messaging by subscriber units in a wireless communication network  
1
US6628641     Header error detection for wireless data cells  
1
US6549771     Enhanced method and system for programming a mobile telephone over the air within a mobile telephone communication network  
1
US6438369     Network directed system selection for cellular and PCS enhanced roaming  
1
US6430174     Communication system supporting simultaneous voice and multimedia communications and method of operation therefore  
1
US6411629     Data interleaving method  
1
US6363251     Network directed system selection for cellular and PCS enhanced roaming  
1
US6324515     Method and apparatus for asymmetric communication of compressed speech  
1
US6298461     Encoding and decoding methods and apparatus  
1
US6223028     Enhanced method and system for programming a mobile telephone over the air within a mobile telephone communication network  
1
US6091952     Distributed subscriber data management in wireless networks from a central perspective  
1
US6088578     Burst request method and apparatus for CDMA high speed data  
1
US6058309     Network directed system selection for cellular and PCS enhanced roaming  
1
US5982324     Combining GPS with TOA/TDOA of cellular signals to locate terminal  
1
US5634192     Mobile-assisted handoff technique  


Statistic:
Total:3公开:0有效:3无效:0发明:0实用:0领域:1领先:1
Total:28公开:0有效:26无效:2发明:0实用:0领域:1领先:0