Patent application number | Description | Published |
20120076289 | PROVIDING AN OPTION TO SUBSTITUTE A LOCAL RINGBACK TONE AT A CALLING PARTY DEVICE - A method for playing a local ringback tone is disclosed. A second party device is called from a calling party device. An alert message indicating that the calling party device is to play a network ringback tone is received. It is determined whether to play a pre-stored local ringback tone instead of the network ringback tone. The local ringback tone or the network ringback tone is played based on the determination. At any time before call connection or call release, the local ringback tone and the network ringback tone are switched between based on user input. | 03-29-2012 |
20130023275 | MOBILE DEVICE TUNE AWAY PERIODS - A particular method includes receiving first data via a first network at a device that is configured to receive the first data via the first network based on a first wireless communication subscription and is configured to receive second data via a second network based on a second wireless communication subscription. The method also includes while receiving the first data, determining that a tuneaway period associated with the second network has passed, where the tuneaway period is longer than a discontinuous reception (DRX) cycle length associated with the second network. The method further includes tuning a receiver of the device to a paging channel of the second network in response to passing of the tuneaway period. | 01-24-2013 |
20130035120 | OPERATION OF DEVICES SUPPORTING MULTIPLE SIMS - 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. | 02-07-2013 |
20130176951 | RECEIVING CELL BROADCAST (CB) MESSAGES - 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. | 07-11-2013 |
20130183965 | SYSTEM AND METHOD OF OPTIMIZING USER EQUIPMENT CAMPING PROCEDURES IN CIRCUIT-SWITCHED FALLBACK - Certain aspects of the present disclosure provide a method for wireless communications. The method generally includes accessing, at a user equipment (UE) capable of communicating via first and second radio access technologies (RATs), a list of base stations of the first RAT, the list comprising information indicating which base stations of the first RAT support a call setup procedure for a call on at least one of the first RAT or a second RAT, and during network acquisition operations, giving preference to one or more base stations of the first RAT that, according to the list, support the call setup procedure. | 07-18-2013 |
20130189985 | MOBILITY DETECTION AND SYSTEM ACQUISITION IN DUAL STANDBY DUAL SUBSCRIBER IDENTITY MODULES (DSDS) - Aspects of the present disclosure relate to wireless communications and techniques for determining a power save duration for an out of service subscription based, at least in part, on a detected mobility status change of a mobile device. Aspects generally include a mobile device, that shares a single radio resource for establishing connections with a first and second subscription, using a detected mobility status change to determine a power saving duration for an out of service subscription. | 07-25-2013 |
20130242828 | OPTIMIZED WAKEUP FOR COMMUNICATION DEVICES - Devices, systems, articles of manufacture, and methods for optimized wake-up are described. According to some embodiments, page messages are received at a page message receiving sub-slot. The page messages can be received by a communication device's communication interface, processes by a communication device's processor, and stored in a communication device's memory. Upon receiving page messages, a wake-up record is updated. A communication device can enter sleep mode based in part on reception of the page messages. Other aspects, embodiments, and features are also claimed and described. | 09-19-2013 |
20130303240 | METHODS AND APPARATUSES FOR OPTIMIZATION OF MULTIPLE SUBSCRIPTION DEVICE PERFORMANCE - Methods and apparatus of tune away in wireless communications include receiving a master information block (MIB) from a first subscription network entity on a first subscription in a user equipment (UE). The method further includes determining system information block (SIB) scheduling information associated with the first subscription network entity. Moreover, the method includes tuning away from the first subscription to a second subscription. | 11-14-2013 |
20140120925 | MOBILE STATION WITH MULTI-SIM AND TUNE AWAY METHODS - Apparatus and methods are disclosed to provide for a multi-SIM wireless user equipment configured for autonomous tune-away operations enabling simultaneous communication on multiple subscriptions using a shared RF chain while maintaining a voice call. A multi-SIM user equipment may be capable of communicating with a first subscription and a second subscription via a transceiver. The user equipment may be engaged in circuit switched communication utilizing a first channel corresponding to the first subscription associated with a first USIM; and the transceiver may be autonomously tuned away from the first channel and tuned to a second channel corresponding to the second subscription associated with a second USIM, while the circuit switched communication is ongoing, and autonomously tuned back to the first channel. Other aspects, embodiments, and features are also claimed and described. | 05-01-2014 |
20140307613 | RECEIVING CELL BROADCAST (CB) MESSAGES - 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. | 10-16-2014 |
20140328252 | RECEIVING CELL BROADCAST (CB) MESSAGES - 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. | 11-06-2014 |
20140342728 | PERFORMING NEIGHBOR CELL ACTIVITIES IN A MULTI-STACK DEVICE - Systems, methods, and devices providing a framework which reduces the amount of switching required by single transceiver hardware chain mobile devices operating multiple cellular technology and/or service stacks. The various embodiments enable two or more service stacks on the mobile device of various cellular technologies (e.g., 3GPP GSM, UMTS, LTE, WCDMA, etc), to share information, such as network measurements. The various embodiments may also enable one service stack to perform procedures for and provide information to another service stack. | 11-20-2014 |
20150017923 | ADAPTIVE RF CONTROL FOR LTE MEASUREMENTS - Certain aspects of the present disclosure relate to a method and apparatus for wireless communications by a user equipment (UE) having at least two radio frequency (RF) chains and capable of communicating with first and second radio access networks (RANs). In aspects, the UE may utilize both RF chains to measure signals in the first RAN, during a first measurement period, while on the second RAN. The UE may determine signal conditions in the first RAN, based on the measurements, and decide, based on the determined signal conditions, which of the RF chains to use to measure signals in the first RAN during one or more subsequent measurement periods. | 01-15-2015 |
20150057046 | System and Methods for improving Page Decode Performance During Reading of System Information on a Multi-SIM Wireless Communication Device - Methods and devices are disclosed for enabling improved performance for page decodes on a SIM of a multi-SIM wireless communication device in which a shared radio frequency (RF) resource is used to read system information for a different SIM. After determining that a first SIM is using the shared RF resource to decode SIBs, the wireless device may receive information about an upcoming page decode time for monitoring a paging channel associated with the second SIM. The wireless device may obtain system information block (SIB) scheduling information associated with the first SIM, and may create a RF resource release gap during the system information read period based on the SIB scheduling information and the upcoming page decode time. Control of the RF resource may be released from the modem stack associated within the first SIM, and gained by a modem stack associated with the second SIM during the RF resource release gap. | 02-26-2015 |
20150065127 | METHODS AND APPARATUS FOR IMPROVING CONNECTED MODE SEARCH - Certain aspects of the present disclosure relate to a method and apparatus for improving connected mode search (e.g., by UE having at least two RF chains). According to aspects, the UE may dynamically configure based, at least in part, on at least one measured signal quality parameter, one of the first or second RF chains to perform a search procedure while the other RF chain communicates with the network. According to aspects, the UE may coordinate a search procedure during compressed mode gaps using both RF chains when a measured at least one signal quality parameter passes a first threshold for both RF chains, wherein a set of one or more carriers searched by the first RF chain is different than a set of one or more carriers searched by the second RF chain. | 03-05-2015 |