The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 20, 2011
Filed:
Dec. 12, 2003
Jaewan Byun, Ilsan-gu, KR;
Jaemoon Lee, Songpa-gu, KR;
Jintae Choi, Dongjak-gu, KR;
Namgyu Kim, Uiwang-si, KR;
Beyongsu Kim, Youngsan-gu, KR;
Jaewan Byun, Ilsan-gu, KR;
Jaemoon Lee, Songpa-gu, KR;
Jintae Choi, Dongjak-gu, KR;
Namgyu Kim, Uiwang-si, KR;
Beyongsu Kim, Youngsan-gu, KR;
SK Telecom Co., Ltd., Seoul, KR;
Abstract
A multimedia mobile communication system for recovering a handoff failure comprises: a hybrid access terminal; a base station transceiver subsystem for transmitting and receiving the voice and the data; a base station a mobile switching center a 1×EV-DO transceiver; and an access network controller for controlling the handoff by transmitting a traffic channel assignment signal when there is no response from the hybrid access terminal upon receiving the route update signal from the hybrid access terminal and transmitting the traffic channel assignment signal in response to the route update signal and a packet data serving node.