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Showing 1 to 20 of 327 results

Patent /App. No. Country Patent Title Patent Owner Issue/Pub Date Status
RE42345 US Packet radio network with charging information collected by nodes and forwarded to billing center May 10, 2011 In Force
6,985,736 US Increasing the capacity of a cellular radio network Jan 10, 2006 In Force
6,904,109 US Interference cancellation method, and receiver Jun 7, 2005 In Force
6,868,061 US System and method for pre-filtering low priority packets at network nodes in a network service class utilizing a priority-based quality of service Mar 15, 2005 In Force
6,799,021 US Method and arrangement for forming an address Sep 28, 2004 In Force
6,765,862 US Telecommunication switch, and switching telecommunication signals Jul 20, 2004 In Force
6,763,010 US Multiplexing method and transceiver Jul 13, 2004 In Force
6,751,247 US Method of reducing interference, and radio system Jun 15, 2004 In Force
6,745,029 US Method and arrangement for handling network specific subscriber data during roaming by use of SIM card information storage Jun 1, 2004 In Force
6,741,849 US Handling of forwarded calls May 25, 2004 In Force
6,738,365 US Method of improving connection quality and system capacity, and a cellular radio system May 18, 2004 In Force
6,738,369 US Method and arrangement for packet-switched data transmission May 18, 2004 In Force
6,725,038 US Method and apparatus for speeding up AAL2 connection setup during handover in advanced cellular networks Apr 20, 2004 In Force
6,714,601 US Method in digital quadrature modulator and demodulator, and digital quadrature modulator and demodulator Mar 30, 2004 In Force
6,661,782 US Routing area updating in packet radio network Dec 9, 2003 In Force
6,639,908 US Method of facilitating transmission level measurement, and base station Oct 28, 2003 In Force
6,636,491 US Access control method for a mobile communications system Oct 21, 2003 In Force
6,631,125 US Channel set-up in wideband, code division multiple access systems Oct 7, 2003 In Force
6,631,173 US Method and arrangement for calculating correlation Oct 7, 2003 In Force
6,628,950 US Restriction of incoming calls in a mobil telecommunication system Sep 30, 2003 In Force

Showing 1 to 20 of 327 results

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