Performance optimization method and communication device thereof

• Main Authors: YUH-HWANG YOU, HUNG-LIN CHANG, CHIH-HUNG LEE, YUNG HUANG, MING LEE, KUN-LIN WU
• Format: Patent
• Language: Chinese; English
• Published: 30.06.2017
• Subjects: ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; WIRELESS COMMUNICATIONS NETWORKS

The present invention discloses a performance optimization method and a communication device thereof. The performance optimization method is used for a communication device in a public land mobile communication network search process, the method comprises the steps of: storing a registration database in a storage module of the communication device, wherein the registration database contains one or more registrations data sets, and each registration data set corresponds to an international mobile subscriber identification code; determining whether the public land mobile communication network search process needs to be performed; when the public land mobile communication network search process needs to be performed, retrieving the appropriate registration data from the registration database according to the current use of the International Mobile Subscriber Identity; and executing the public land mobile communication network search process based on the retrieved appropriate registration data. The present invent