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:
Feb. 12, 2013
Filed:
Aug. 18, 2011
Method for requesting and reporting channel quality information in wireless portable internet system
Chul-sik Yoon, Daejeon, KR;
Jae-heung Kim, Daejeon, KR;
Kun-min Yeo, Daejeon, KR;
Soon-yong Lim, Daejeon, KR;
Byung-han Ryu, Daejeon, KR;
Chul-Sik Yoon, Daejeon, KR;
Jae-Heung Kim, Daejeon, KR;
Kun-Min Yeo, Daejeon, KR;
Soon-Yong Lim, Daejeon, KR;
Byung-Han Ryu, Daejeon, KR;
Electronics and Telecommunications Research Institute, , KR;
Samsung Electronics Co., Ltd, , KR;
KT Corporation, , KR;
SK Telecom Co., Ltd, , KR;
KT Freetel Co., Ltd, , KR;
Hanaro Telecom., Inc., , KR;
Abstract
A method for requesting and reporting channel quality information (CQI) in a wireless portable Internet system is disclosed. Timing of a channel quality information request by a base station is determined, existence of an automatic repeat request acknowledgment (ARQ_ACK) message of downlink data is determined on requesting the channel quality information from the subscriber station, the automatic repeat request acknowledgment message and the radio resource for the channel quality report to the subscriber station is allocated, the automatic repeat request acknowledgment message and the channel quality report information is received, and a modulating and coding level of downlink data is determined by extracting the channel quality report information form the automatic repeat request acknowledgment message.