Concurrent use of single tx/rx synthesizer pair in multiple sim devices

A technique for tuning the receiver (RX) synthesizer independently from the transmitter (TX) synthesizer helps a mobile communication device with multiple SIMs to concurrently monitor the paging channel of a first network associated with one SIM while transmitting on a second network associated with...

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Bibliographic Details
Main Authors TASEV ZARKO, TASIRAN SELIM, SU JIN-SHENG, MEHIO RAMI
Format Patent
LanguageChinese
English
Published 19.06.2013
Subjects
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION
WIRELESS COMMUNICATIONS NETWORKS
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Summary:A technique for tuning the receiver (RX) synthesizer independently from the transmitter (TX) synthesizer helps a mobile communication device with multiple SIMs to concurrently monitor the paging channel of a first network associated with one SIM while transmitting on a second network associated with a second SIM. By independently tuning the RX and the TX synthesizers, each SIM card can maintain synchronization with the network without disruption of service in either network. As a result, the mobile communication device exhibits an increased ability to maintain communication sessions for two different networks, without the need for a second set of TX/RX synthesizer hardware.
Bibliography:Application Number: CN201210366368