US Patent No. 11,032,857

APPARATUSES AND METHODS FOR SYNCHRONIZING STATES OF SEPARATE SUBSCRIBER IDENTITIES WITH NETWORK


Patent No. 11,032,857
Issue Date June 08, 2021
Title Apparatuses And Methods For Synchronizing States Of Separate Subscriber Identities With Network
Inventorship Chih-Yuan Tsai, Hsinchu (TW)
Mohamed Abdelrazek El-Saidny, Dubai (AE)
Yung-Chun Lin, Hsinchu (TW)
Tzu-Ting Lo, Hsinchu (TW)
Tsung-Ming Lee, Hsinchu (TW)
Chun-Pin Chen, Hsinchu (TW)
Assignee MEDIATEK INC., Hsin-Chu (TW)

Claim of US Patent No. 11,032,857

1. A mobile communication device, comprising:a Radio Frequency (RF) device, configured to perform wireless transmission and reception to and from one or more cells; and
a baseband processor, configured to use a first subscriber identity to establish a connection with a serving cell via the RF device to perform a first communication procedure, and in response to completing the first communication procedure or the first communication procedure being interrupted by a second communication procedure associated with a second subscriber identity, use the first subscriber identity to send a measurement report to the serving cell via the RF device, wherein the measurement report indicates a reported signal quality of the serving cell is poor enough to release the connection, and the measurement report is sent even when a measured signal quality of the serving cell is good enough to keep the connection.