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:
Apr. 22, 2014
Filed:
Sep. 02, 2011
Chun-yuan Chiu, Pingtung County, TW;
Yung-han Chen, Hsinchu, TW;
Yan-xiu Zheng, New Taipei, TW;
Yu-chuan Fang, Yilan County, TW;
Chun-Yuan Chiu, Pingtung County, TW;
Yung-Han Chen, Hsinchu, TW;
Yan-Xiu Zheng, New Taipei, TW;
Yu-Chuan Fang, Yilan County, TW;
Industrial Technology Research Institute, Hsinchu, TW;
Abstract
Prioritized random access methods are proposed. According to an embodiment, random access attempts are classified into the priority levels according to delay requirements, and adedicated random access opportunities are reserved for different priority levels. A congestion detecting mechanism is introduced for such dedicated ranging (random access) opportunities. When congestion is detected by the base station, parameters or configurations of random access can be dynamically or temporarily modified through random access response message. Furthermore, a prioritized contention resolution is introduced to guarantee a high priority access is processed earlier than a low priority access. According to another embodiment, another prioritized contention resolution is introduced to reduce the impact of random access of a low priority M2M device upon H2H traffic.