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:
Aug. 04, 2020
Filed:
Apr. 07, 2017
Samsung Electronics Co., Ltd., Suwon-si, KR;
SAMSUNG ELECTRONICS CO., LTD., Suwon-si, KR;
Abstract
Disclosed are a communication technique for merging, with IoT technology, a 5G communication system for supporting a data transmission rate higher than that of a 4G system; and a system therefor. The present disclosure can be applied to intelligent services (for example, smart home, smart building, smart city, smart car or connected car, healthcare, digital education, retail business, security and safety related services, and the like) on the basis of 5G communication technology and IoT related technologies. The present disclosure relates to a method by which a terminal receives a circuit switching (CS) service, and according to the present disclosure, the method by which a terminal receives a CS service, comprises the steps of: transmitting a CS fallback (CSFB) request to a mobility management entity (MME) through a first base station in order to use the CS service; detecting the failure of a radio resource connection to the first base station; and transmitting, to a second base station, a radio resource re-establishment related message including a CSFB indicator for identifying the CSFB request.