Abstract: A communications device and method for a carrier search are provided. The communication apparatus includes an RF signal processing device, a processor, and a memory device. The RF signal processing device receives a plurality of main system information and extra system information broadcasted by service networks. The processor is configured to check whether the extra system information corresponding to a second cell has been broadcasted by a detected network when a first center frequency of a first cell corresponding to a target radio access technology has been searched, and search a second center frequency of the second cell according to the extra system information corresponding to the second cell. All or a port of carriers are skipped according to the extra system information corresponding to the second cell. The memory device stores the main and extra system information received from detected service networks.

Abstract: Concepts and examples pertaining to mitigation of coexistence interference and concurrent operations of different RF technologies are described. A processor of a network node receives a message from a user equipment (UE) using a first radio access technology (RAT). The message includes one or more information fields indicating one or more of following pieces of information regarding in-device coexistence interference experienced by the UE: an affected carrier and a range of each of one or more other RATs different from the first RAT including at least a second RAT, a suggested transmit or receive power of the UE in a first communication cell of the first RAT, and a suggested receive power of the UE in a second communication cell of the second RAT. In response to receiving the message, the processor adjusts one or more aspects of either or both of the first and the second communication cells.

Abstract: A user equipment and a circuit-switched fallback method thereof are provided. An initial base station sends a radio resource control connection release message containing the redirection frequency list to the UE. The redirection frequency list includes at least one redirection frequency. The UE determines a priority of the at least one redirection frequency according to a current registered LAI, a learning database and a piece of signal reference information of the redirection frequency list. Accordingly, the UE executes a circuit switch fallback procedure according to the priority of the at least one redirection frequency.

Abstract: Methods and apparatuses pertaining to random access probing enhancement during state mismatch between a communication apparatus and a network apparatus may involve the communication apparatus determining whether a state mismatch exists between the communication apparatus and a network apparatus. The communication apparatus may also conduct a probing procedure responsive to a determination that the state mismatch exists. The network apparatus may transmit a value representative of a timer duration to the communication apparatus. The network apparatus may also participate in the probing procedure with the communication apparatus.

Abstract: A communications apparatus includes at least two cellular system radio transceivers capable of simultaneously performing transmitting/receiving radio activities in two cellular networks and a control entity. The control entity is coupled to the cellular system radio transceivers, collects radio activity information of the cellular system radio transceivers, determines whether interference will occur or is occurring and which cellular system radio transceiver is an aggressor transceiver and which cellular system radio transceiver is a victim transceiver when the interference occurs according to the radio activity information, and further determines control information according to the radio activity information for controlling the aggressor transceiver or the victim transceiver to mitigate the interference. The aggressor transceiver is the cellular system radio transceiver having the transmitting radio activity that will interfere or interferes with the receiving radio activity of the victim transceiver.

Abstract: A wireless communication method and Multi-SIM user equipment are provided. The wireless communication method for Multi-SIM dual standby (DSDS) technology is applied on Multi-SIM user equipment (UE) which is capable of carrier aggregation (CA) or dual connectivity (DuCo). The wireless communication method includes the steps of determining whether a packet switch (PS) or circuit switch (CS) paging is received on a second SIM card when a first PS call is ongoing in a first SIM card; and suspending the first PS call which is ongoing on the first SIM card if the packet switch (PS) or circuit switch (CS) paging is received on the second SIM card.

Abstract: Aspects of the disclosure provide a method for setting up a call for a user equipment. The method includes receiving, by the user equipment, a measurement configuration message that specifies a set of measurement events corresponding to poor signal quality between the user equipment and a packet-switched network, and sending, by the user equipment, a measurement report when one of the set of measurement events occurs while performing a first call setup process for setting up the call using the packet-switched network. The method also includes terminating the first call setup process after sending the measurement report that indicates poor signal quality between the user equipment and the packet-switched network, and sending, by the user equipment, a service request to begin a second call setup process for setting up the call for the user equipment using a circuit-switched network after terminating the first call setup process.

Abstract: A mobile communication device including a wireless transceiver and a wireless transceiver is provided. The wireless transceiver performs wireless transmission and reception to and from a first service network and a second service network. The controller uses a first subscriber identity card to establish one or more first radio bearers with the first service network via the wireless transceiver, uses a second subscriber identity card to set up an Internet Protocol Security (IPsec) tunnel with an evolved Packet Data Gateway (ePDG) of the second service network via the first radio bearers, and uses the second subscriber identity card to register an IP Multimedia Subsystem (IMS) service with the second service network via the IPsec tunnel.

Abstract: To facilitate LWA PDCP setting/scheduling, a method of providing dynamic PDCP status report polling is proposed. To enhance scheduling efficiency, the transmitter (can be eNB from DL or UE for UL) can dynamically poll PDCP status report for LWA behavior. The polling can be done by a standalone PDCP control PDU or use reserved bit in PDCP data PDU. The triggering condition for PDCP status polling includes: PDCP without poll time exceeds a first threshold, PDCP without poll bytes exceeds a second threshold, PDCP without poll PDU numbers exceeds a third threshold, a data buffer is empty, and when LWA is deactivated.

Abstract: A communications apparatus includes at least two cellular system radio transceivers capable of simultaneously performing transmitting/receiving radio activities in two cellular networks and a control entity. The control entity is coupled to the cellular system radio transceivers, collects radio activity information of the cellular system radio transceivers, determines whether interference will occur or is occurring and which cellular system radio transceiver is an aggressor transceiver and which cellular system radio transceiver is a victim transceiver when the interference occurs according to the radio activity information, and further determines control information according to the radio activity information for controlling the aggressor transceiver or the victim transceiver to mitigate the interference. The aggressor transceiver is the cellular system radio transceiver having the transmitting radio activity that will interfere or interferes with the receiving radio activity of the victim transceiver.

Abstract: A wireless communication device is provided with a first radio module and a second radio module inside. The first radio module performs wireless transceiving according to a plurality of first traffic patterns which each indicates allocations of a plurality of first slots for a plurality of forthcoming transmitting or receiving operations, respectively. The second radio module determines an indicator indicating at least one of a plurality of second traffic patterns which each indicates allocations of a plurality of second slots for a plurality of forthcoming transmitting or receiving operations, respectively. Particularly, one or more allocations of the second slots are selectively determined according to the first traffic patterns. Also, the second radio module transmits the indicator to a peer communication device, so that the peer communication device performs transmitting or receiving operations according to the indicator.

Abstract: A communications apparatus includes at least two cellular system radio transceivers capable of simultaneously performing transmitting/receiving radio activities in two cellular networks and a control entity. The control entity is coupled to the cellular system radio transceivers, collects radio activity information of the cellular system radio transceivers, determines whether interference will occur or is occurring and which cellular system radio transceiver is an aggressor transceiver and which cellular system radio transceiver is a victim transceiver when the interference occurs according to the radio activity information, and further determines control information according to the radio activity information for controlling the aggressor transceiver or the victim transceiver to mitigate the interference. The aggressor transceiver is the cellular system radio transceiver having the transmitting radio activity that will interfere or interferes with the receiving radio activity of the victim transceiver.

Abstract: A communications device and method for a carrier search are provided. The communication apparatus includes an RF signal processing device, a processor, and a memory device. The RF signal processing device receives a plurality of main system information and extra system information broadcasted by service networks. The processor is configured to check whether the extra system information corresponding to a second cell has been broadcasted by a detected network when a first center frequency of a first cell corresponding to a target radio access technology has been searched, and search a second center frequency of the second cell according to the extra system information corresponding to the second cell. All or a port of carriers are skipped according to the extra system information corresponding to the second cell. The memory device stores the main and extra system information received from detected service networks.

Abstract: A mobile communication device including a wireless transceiver and a controller is provided. The wireless transceiver performs wireless transmission and reception to and from a service network. The controller operates in a connected mode with a connection to the service network, and determines whether there is no active data traffic in a first period of time when operating in the connected mode. In response to there being no active data traffic in the first period of time, the controller performs a local release of the connection or sends a measurement report to trigger the service network to release the connection.

Abstract: A mobile communications device is provided. A first radio module communicates with a communications device in compliance with a first protocol. A second radio module communicates with a base station in compliance with a second protocol. A CLC radio manager receives a traffic pattern from the first radio module indicating a first traffic allocation for the first radio module, obtains timing information of the base station, obtains a native reference clock from a clock source, converts values of the traffic pattern into the native reference clock counts, aligns the converted traffic pattern with the timing information of the base station, generates one or more CLC bitmaps for the first radio module by converting the aligned traffic pattern into a plurality of WiMAX frames or sub-frames of the timing information, and transmits the generated CLC bitmaps to the base station to recommend a second traffic allocation of the frames or sub-frames.

Abstract: The method and apparatus for switching networks are provided. The network switching method is applied to the packet switching service of user equipment (UE). The network switching method includes the steps of determining the adoption priorities of a standard switching mechanism and a non-standard switching mechanism according to decision information.

Abstract: A wireless communication method and device are provided. The wireless communication method includes the steps of receiving a plurality of measurement results; determining whether a cell-change event is triggered according to the measurement results; calculating a reverse-direction criterion to determine whether a ping-pong effect will occur when the cell-change event is triggered; and terminating the cell-change event when the ping-pong effect will occur.

Abstract: A wireless communication method and Multi-SIM user equipment are provided. The wireless communication method for Multi-SIM dual standby (DSDS) technology is applied on Multi-SIM user equipment (UE) which is capable of carrier aggregation (CA) or dual connectivity (DuCo). The wireless communication method includes the steps of determining whether a packet switch (PS) or circuit switch (CS) paging is received on a second SIM card when a first PS call is ongoing in a first SIM card; and suspending the first PS call which is ongoing on the first SIM card if the packet switch (PS) or circuit switch (CS) paging is received on the second SIM card.

Abstract: A communications apparatus includes a radio transceiver and a processor. The radio transceiver is configured for transmitting or receiving wireless radio frequency signals to or from a peer device. The processor determines whether re-synchronization in a communication mode with the peer device is required according to a determination rule. When the re-synchronization is required, the processor transmits a message to the peer device via the radio transceiver to trigger a re-synchronization procedure. The processor determines whether the re-synchronization is required in a connected mode.

Abstract: The method and apparatus for CSFB are provided. The method includes transmitting a MO CS request to a LTE network or receiving a MT CS call notification from a LTE network; triggering or accepting a CSFB procedure by the UE; receiving redirection information from the LTE network; judging whether system information corresponding to candidate cells is provided in the redirection information; acquiring system information corresponding to candidate cells, wherein the system information includes location area identifications (LAI) corresponding to candidate cells in the redirection information to determine whether the candidate cells belong to a registered LA; setting the candidate cell belonging to the registered LA to a higher priority; selecting the candidate cell with the higher priority as a target cell; and connecting to the target cell first.