Broadcom Corporation

Navin K Karra

Abhishek Pandit

Stephen Richards

Giridhar Pattaswamy

Yuan Liu

Yaxin Cao

Sethuraman Gurumoorthy

Jun Lin

An acknowledgement technique reduces packet-switched communication delays. The technique may be implemented in a mobile communication device with multiple SIMs. The technique facilitates enhanced communication capability for the mobile communication device. In one implementation, the technique helps reduce delays caused by switching between packet-switched and circuit-switched communications. Specifically, in one aspect, the technique reduces delays caused by exponential backoff that may occur during suspension of a packet-switched communication.

Communication protocol technique for improving data throughput

User equipment with multiple subscriber identity modules (SIMs) includes techniques for intelligently allowing the SIMs to access the radio resources. In one aspect, the techniques determine whether a network signaling criteria is satisfied. When the network signaling criteria is satisfied, the user equipment may communicate a signaling connection release indication to a network controller handling a first SIM network connection. When the network signaling criteria is not satisfied, however, the user equipment may forgo communicating the signaling connection release indication to the network controller handing the first SIM network connection. In either case, the user equipment may locally deactivate the first SIM network connection so that the radio frequency interface may be transitioned to a second SIM.

Virtual modem suspension handler in multiple SIM user equipment

Systems and methods are presented to support operation of a multiple subscriber identity module (SIM) device. A first SIM may perform a data transfer or voice call. During the first SIM's data transfer or voice call, transition times are identified to transition communication resources to a second SIM for use in performing a registration update communication with a network controller that supports the second SIM. The registration update communication may include a periodic location update, a periodic routing update, or a periodic tracking update. The multiple SIM device may identify the transition time by obtaining periodic registration timing information from the network controller, configuring a periodic registration timer based on the periodic registration timing information, and setting the transition time as an expiration time of the periodic registration timer.

Periodic registration updates for multiple SIM user equipment

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Bracknell, United Kingdom

Navin K Karra