Qualcomm Incorporated

Other

Simon James Walke

Mungal Singh Dhanda

Subbarayudu Mutya

Venkata Raji Reddy Kanthala

Zhi-Zhong Yu

Nigel Phillip Robinson

Mukund Agarwal

Bhanu Kiran Janga

Ajit Gupta

Divaydeep Sikri

Nicholas J Tebbit

Neha Goel

William Stancer

Arvind Vardarajan Santhanam

Francesco Grilli

Chetan Chakravarthy

Chih-Ping Hsu

Francis M Ngai

Francis Ming-Meng Ngai

Philip J Children

Shawn C Morrison

Abeezar A Burhan

Vikas Gulati

Kishore Kumar Yannakula

Venkata Potnuru

Ramesh Kumar Gengiti

Methods, systems, apparatuses, and devices are described for managing wireless communication at a user equipment (UE). An exemplary method includes adding an identifier of a cell to a sub-optimal cell list based at least in part on a cell classification determination made by the UE, and avoiding a cell access procedure for the cell based at least in part on inclusion of the identifier in the sub-optimal cell list. Another exemplary method includes maintaining a sub-optimal cell list and an associated priority service exception list, initiating a service on the priority service exception list, identifying inclusion of a cell on the sub-optimal cell list, where the cell is associated with a cell access procedure initiated for the service, and accessing the cell included in the sub-optimal cell list based at least in part on inclusion of the service in the priority service exception list.

Identifying, avoiding, and/or allowing limited access to sub-optimal cells

A communications system, and a method suitable for use therein, are described which are suitable for transmitting and receiving both secure and non-secure data. The system comprises: means for transmitting data comprising both ciphered secure data and unciphered non-secure data; means for receiving transmitted data; means for deciphering the received data to produce deciphered data; and means for: validating the deciphered data to produce a first validation result and outputting the deciphered data depending upon the first validation result; or validating the received data to produce a second validation result and outputting the received data depending upon the second validation result; or validating the deciphered data to produce a first validation result and outputting the deciphered data depending upon the first validation result, and also validating the received data to produce a second validation result and outputting the received data depending upon the second validation result.

Method and apparatus for transmitting and receiving secure and non-secure data

Methods and devices for scheduling data packet transmissions on a multi-subscriber identity module (SIM) wireless communication device having at least a first SIM and a virtual SIM (VSIM) application associated with a shared radio frequency (RF) resource may include detecting registration of a SIM profile for the VSIM application, in which the VSIM application is provisioned to operate as a VSIM, and determining whether a VSIM management procedure is required for the VSIM. When a VSIM management procedure is required for the VSIM, the wireless communication device may tag data packets associated with the required VSIM management procedure, select a prioritization policy for data packet transmissions on the RF resource, and apply the selected prioritization policy within a transmission queue on the RF resource.

System and methods for improving support of a virtual subscriber identity module (SIM) in a multi-SIM wireless communication device

The present patent application improves DARP by allowing multiple users on one time slot (MUROS). It comprises means and instructions for sharing signals on a single channel, comprising setting up a new connection, allocating a new time slot if there is an unused time slot on a channel frequency, selecting an used time slot for the new connection to share with an existing connection if there is not an unused time slot on the channel frequency, and selecting a different training sequence code for the new connection if the used time slot on the channel frequency has been selected for the new connection to share with an existing connection. Other aspects, embodiments, and features are also claimed and described.

Capacity increasing devices and methods for wireless communication

The present patent application improves DARP by allowing multiple users on one time slot (MUROS). It comprises means and instructions for sharing signals on a single channel, comprising setting up a new connection, allocating a new time slot if there is an unused time slot on a channel frequency, selecting an used time slot for the new connection to share with an existing connection if there is not an unused time slot on the channel frequency, and selecting a different training sequence code for the new connection if the used time slot on the channel frequency has been selected for the new connection to share with an existing connection.

User diversity for muros callers

Exemplary embodiments are directed to operation of a device supporting multiple SIMs. A method may include detecting a paging collision scenario between a first subscription and at least a second subscription. The method may further include modifying a page reading operation of at least one of the first subscription and the at least a second subscription to avoid a paging collision between the first subscription and the at least a second subscription. Other aspects, embodiments, and features are also claimed and described in the application.

Operation of devices supporting multiple SIMs

Access terminals capable of employing multiple subscriptions are adapted to prevent out-of-service periods for one or more subscriptions. According to one example, an access terminal can establish a data communication on a first subscription utilizing a first network, and an idle mode connection on a second subscription utilizing a second network. A determination can be made that the first subscription is indicating data transfer. In response to such a determination, the second subscription can attempt a change from a radio access technology associated with the second network to a different radio access technology. Other aspects, embodiments, and features are also included.

Devices and methods for preventing out-of-service periods in multi-subscription scenarios

Devices, methods, and systems capable of an enabling transmission and receipt of secure and non-secure data are discussed in this document. According to some embodiments, a network apparatus can transmit ciphered and unciphered data. The network apparatus transmits a first signal indicating a cipher to be used and transmits a second signal indicating that non-secure data is to be transmitted and received unciphered. The network apparatus can cipher secure data and transmits ciphered-secure data and unciphered-non-secure data. A wireless terminal can receive the first and second signals, the ciphered secure data, and the unciphered non-secure data. The wireless terminal can deciphers the received secure data and does not decipher the received non-secure data. System embodiments can include both network-side and network terminal components. Embodiments of the present invention enable secure transmission of data in concert with efficient processing. Other aspects, embodiments, and features are also claimed and described.

Methods and apparatus for transmitting and receiving secure and non-secure data

Aspects of the present disclosure relate to a user equipment (UE) and a method of wireless communication using the UE that includes a first transceiver and a second transceiver. The method includes determining that the first transceiver is scheduled to communicate using a first transmission simultaneous to the second transceiver being scheduled to communicate using a second transmission, and altering an operation of at least one of the first and second transceivers to mitigate battery voltage droop due to simultaneous transmissions of the transceivers. Other aspects, embodiments, and features are also claimed and described.

Apparatus and method for mitigating voltage droop in a dual-transceiver wireless communication device

A method for receiving cell broadcast messages is described. The method includes communicating with a first cell. The method also includes switching to communicating with a second cell. A cell broadcast channel is read after switching cells. The method further includes switching from a dedicated mode to a packet idle mode. The cell broadcast channel is reread once after switching from a dedicated mode to a packet idle mode. Other aspects, embodiments and features are also claimed and described.

Receiving cell broadcast (CB) messages

The various embodiments include methods for managing how a MSMS communication device that is accessing an arbitrary combination of multiple telephony networks processes paging collisions. The embodiment methods promote improving a subscription's page blocking rate by causing a MSMS communication device to implement a retransmission remedial action for a blocked subscription. In the various embodiments, the MSMS communication device may implement the retransmission remedial action by increasing a blocked subscription's priority during a subsequent retransmission interval to increase the likelihood that the blocked subscription will receive a repeated page message from its mobile network during this retransmission interval. In some embodiments, the blocked subscription's current priority may be based on the number of retransmission intervals that are presently occurring.

Multiple subscription resource access control

Apparatus and methods are disclosed to provide for a multi-SIM wireless user equipment configured for block-level, or slot-level tune-away operations enabling simultaneous communication with a plurality of channels. The first and second channels may correspond to different RANs, each of which the user equipment may subscribe to as corresponding to information in a plurality of SIMs at the user equipment. In other examples, the first and second channels may correspond to different cells within a single RAN. In either case, the tune-away operations disclosed provide for reduced data loss at the first channel and in some examples improved communication performance at the second channel. Other aspects, embodiments, and features are also claimed and described.

Apparatus and method for employing a tune-away operation to communicate simultaneously with a plurality of channels

Methods are provided that enable mitigation of desense from a transmission on a first radio frequency (RF) resource associated with a first SIM to a receiver circuit of a second RF resource associated with a second SIM in the same device. A multi-SIM wireless device, such as a dual-SIM dual active (DSDA) device, may utilize characteristics of uplink and downlink signals to determine an optimal action that reduces interference from conflicting signals. Mitigating actions do not require involvement on the network side, and may greatly improve processing time for implementing interference prevention measures.

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Basingstoke Hampshire, United Kingdom

Simon James Walke