Patent application number | Description | Published |
20100061326 | METHODS FOR RESPONDING TO CO-LOCATED COEXISTENCE (CLC) REQUEST FROM A MOBILE ELECTRONIC DEVICE AND COMMUNICATIONS APPARATUSES CAPABLE OF CONTROLLING MULTI-RADIO COEXISTENCE - A communications apparatus is provided. A first radio module provides a first wireless communications service and communicates with a first communications device in compliance with a first protocol. A second radio module provides a second wireless communications service and communicates with a second communications device in compliance with a second protocol. A Co-Located Coexistence radio manager detects activities of the first radio modules, obtains a first traffic pattern describing downlink and/or uplink traffic allocations of the first radio module from the first radio module, and generates a second traffic pattern of the second radio module according to the first traffic pattern to coordinate operations of the first and second radio modules. The second traffic pattern describes recommended downlink and/or uplink traffic allocations to a plurality of sub-frames for the second radio module, and each sub-frame defined by the second protocol includes Orthogonal Frequency Division Multiplexing symbols. | 03-11-2010 |
20100322159 | PTA METHOD AND APPARATUS UTILIZING THE SAME - An apparatus includes a first and a second wireless communication modules and a packet traffic arbitration (PTA) module. The first wireless communication module issues a first request for a first transmission or reception operation in a first time period, wherein the first request includes information regarding a first power level for performing the first TX or RX operation. The second wireless communication module issues a second request for a second TX or RX operation in a second time period, wherein the second request includes information regarding a second power level for performing the second TX or RX operation. The packet traffic arbitration module receives the first request and the second request, and grants one or both of the first request and the second request according to the first power level and the second power level when the first time period is overlapped with the second time period. | 12-23-2010 |
20110009060 | Systems and Methods for Reducing Interference Between a Plurality of Wireless Communications Modules - A wireless communications system is provided with a first wireless communications and a second wireless communications. The first wireless communications module transmits or receives a first wireless signal in a first frequency band selected from a first frequency range. The second wireless communications module transmits or receives a second wireless signal in a second frequency band selected from a second frequency range, and adjusts a transmission power of the second wireless signal in response to that a frequency offset between the first frequency band and the second frequency band falls within a predetermined range. | 01-13-2011 |
20110096758 | METHOD FOR ENHANCING THROUGHPUT OF A WLAN MODULE COLLOCATED WITH A BT SLAVE MODULE, AND ASSOCIATED WIRELESS COMMUNICATION APPARATUS AND WIRELESS COMMUNICATION MODULE - A method for enhancing throughput of a Wireless Local Area Network (WLAN) module collocated with a Bluetooth (BT) slave module includes: detecting whether timing critical data of the BT slave module exists; and allowing the WLAN module to perform wireless communication when it is detected that no timing critical data of the BT slave module exists. An associated wireless communication apparatus includes: a BT slave module; a WLAN module collocated with the BT slave module; and a controller arranged to control operations of the BT slave module and the WLAN module, wherein the controller detects whether timing critical data of the BT slave module exists, and allows the WLAN module to perform wireless communication when it is detected that no timing critical data of the BT slave module exists. An associated wireless communication module such as the BT slave module is further provided. | 04-28-2011 |
20110097998 | System and methods for enhancing coexistence efficiency for multi-radio terminals - A method of scheduling transmitting and receiving communication slots for co-located radio devices is provided. A Bluetooth (BT) device first synchronizes its communication time slots with a co-located radio module, and then obtains the traffic pattern of the co-located radio module. Based on the traffic pattern, the BT device selectively skips one or more TX or RX time slots to avoid data transmission or reception in certain time slots and thereby reducing interference with the co-located radio module. In addition, the BT device generates a co-located coexistence (CLC) bitmap and transmits the CLC bitmap to its peer BT device such that the peer BT device can also skip data transmission or reception in certain time slots affected by the co-located radio module. The skipped time slots are disabled for TX or RX operation to prevent interference and to achieve more energy saving. | 04-28-2011 |
20110235621 | SYNCHRONIZED ACTIVITY BITMAP GENERATION METHOD FOR CO-LOCATED COEXISTENCE (CLC) DEVICES - 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. | 09-29-2011 |
20110243046 | METHODS FOR COORDINATING TRANSMISSION AND RECEPTION OPERATIONS OF RADIO MODULES IN A COMMUNICATIONS APPARATUS AND COMMUNICATION APPARATUSES UTILIZING THE SAME - A communication apparatus is provided. A first radio module communicates with a first communications device in compliance with a first protocol to provide a first wireless communications service. A second radio module communicates with a second communications device in compliance with a second protocol to provide a second wireless communications service. The first radio module further estimates time remaining for the second radio module before a next operation of the first radio module and transmits information regarding the estimated remaining time to the second radio module. The second radio module further schedules operations of the second radio module according to the information regarding the estimated remaining time received from the first radio module. | 10-06-2011 |
20110274080 | SYSTEMS AND METHODS FOR ACTIVITY COORDINATION IN MULTI-RADIO TERMINALS - 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. | 11-10-2011 |
20110310741 | APPARATUSES AND METHODS FOR COORDINATION BETWEEN PLURALITY OF CO-LOCATED WIRELESS COMMUNICATION MODULES VIA ONE WIRE - The invention provides a mobile communication device having a Packet Traffic Arbitrator (PTA) module and a first wireless communication module, coupled to the PTA module via only one wire and configured to perform a first wireless transceiving. The first wireless communication module sends a first request indicating a remaining period of time for a second wireless communication module to use to the PTA module via the wire, and receives, via the wire, a first response indicating whether the first request has been accepted. | 12-22-2011 |
20110312288 | System and method for coordinating multiple radio transceivers within the same device platform - A wireless device having a central control entity that coordinates multiple radio transceivers co-located within the same device platform to mitigate coexistence interference. The wireless device comprises an LTE transceiver, a WiFi transceiver, a BT transceiver, or a GNSS receiver. In one embodiment, the central control entity receives radio signal information from the transceivers and determines control information. The control information is used to trigger FDM solution such that the transceivers operate in designated frequency channels to mitigate co-existence interference. In another embodiment, the central control entity receives traffic and scheduling information from the transceivers and determines control information. The control information is used to trigger TDM solution such that the transceivers are scheduled for transmitting or receiving radio signals over specific time duration to mitigate co-existence interference. In yet another embodiment, power control solution is used to mitigate coexistence interference. | 12-22-2011 |
20120250673 | PTA METHOD AND APPARATUS UTILIZING THE SAME - An apparatus (and related method) coordinates wireless communication operations for coexisted wireless communication modules. The apparatus includes a packet traffic arbitration (PTA) module coupled between a first wireless communication module and a second wireless communication module, granting the first request requesting for a first wireless communication operation with a first priority in a first time period from the first wireless communication module, receiving a second request requesting for a second wireless communication operation with a second priority from the second wireless communication module when the granted first wireless communication operation is not finished. In operation, the first wireless communication operation interferes with the second wireless communication operation, the PTA module granting the second request and informing the first wireless communication module to take back the granted first request when the second priority is higher than the first priority. | 10-04-2012 |
20140050204 | METHODS FOR COORDINATING TRANSMISSION AND RECEPTION OPERATIONS OF RADIO MODULES IN A COMMUNICATIONS APPARATUS AND COMMUNICATION APPARATUSES UTILIZING THE SAME - A communication apparatus is provided. A first radio module communicates with a first communications device in compliance with a first protocol to provide a first wireless communications service. A second radio module communicates with a second communications device in compliance with a second protocol to provide a second wireless communications service. The first radio module further estimates time remaining for the second radio module before a next operation of the first radio module and transmits information regarding the estimated remaining time to the second radio module. The second radio module further schedules operations of the second radio module according to the information regarding the estimated remaining time received from the first radio module. | 02-20-2014 |
20140064212 | Bluetooth Low Energy and LTE Coexistence Enhancements - Methods for preventing coexistence interference between a Bluetooth Low Energy (BLE) radio and a collocated LTE radio are provided. In a first solution, the BLE radio adds padding bytes to BLE packets such that the total packet length falls in a specific range to prevent coexistence interference. In a second solution, the BLE radio limits the total BLE packet length to a predefined length to prevent coexistence interference. In a third solution, the data rate for transmitting the BLE packets is higher than a predefined rate to prevent coexistence interference. In a fourth solution, the BLE radio dynamically adjusts the time inter-frame-spacing (T_IFS) value to prevent coexistence interference with the collocated LTE radio. | 03-06-2014 |
20140099896 | System and Methods for Enhancing Coexistence Efficiency for Multi-Radio Terminals - A method of scheduling transmitting and receiving communication slots for co-located radio devices is provided. A Bluetooth (BT) device first synchronizes its communication time slots with a co-located radio module, and then obtains the traffic pattern of the co-located radio module. Based on the traffic pattern, the BT device selectively skips one or more TX or RX time slots to avoid data transmission or reception in certain time slots and thereby reducing interference with the co-located radio module. In addition, the BT device generates a co-located coexistence (CLC) bitmap and transmits the CLC bitmap to its peer BT device such that the peer BT device can also skip data transmission or reception in certain time slots affected by the co-located radio module. The skipped time slots are disabled for TX or RX operation to prevent interference and to achieve more energy saving. | 04-10-2014 |
20140187249 | System and Method for Coordinating Multiple Radio Transceivers within the Same Device Platform - A wireless device having a central control entity that coordinates multiple radio transceivers co-located within the same device platform to mitigate coexistence interference. The wireless device comprises an LTE transceiver, a WiFi transceiver, a BT transceiver, or a GNSS receiver. In one embodiment, the central control entity receives radio signal information from the transceivers and determines control information. The control information is used to trigger FDM solution such that the transceivers operate in designated frequency channels to mitigate co-existence interference. In another embodiment, the central control entity receives traffic and scheduling information from the transceivers and determines control information. The control information is used to trigger TDM solution such that the transceivers are scheduled for transmitting or receiving radio signals over specific time duration to mitigate co-existence interference. In yet another embodiment, power control solution is used to mitigate coexistence interference. | 07-03-2014 |
20140194155 | DYNAMICALLY SELECTING FILTERING PATHS TO AVOID MULTI-RADIO COEXISTENCE INTERFERENCE IN A COMMUNICATION APPARATUS - A communication apparatus includes a first wireless module and a second wireless module. The first wireless module includes a communication device, an antenna module and a filter module. The filter module is coupled between the communication device and the antenna module and includes a first filter, a second filter, a first switch switching in response to a control signal, and a second switch switching in response to the control signal. The communication device includes a processor issuing the control signal according to a radio frequency utilized by the second wireless module to select the first filter or the second filter to electronically connect to the communication device and the antenna module. | 07-10-2014 |
20140219216 | METHODS FOR RESPONDING TO CO-LOCATED COEXISTENCE (CLC) REQUEST FROM A MOBILE ELECTRONIC DEVICE AND COMMUNICATIONS APPARATUSES CAPABLE OF CONTROLLING MULTI-RADIO COEXISTENCE - A communications apparatus is provided. A first radio module provides a first wireless communications service and communicates with a first communications device in compliance with a first protocol. A second radio module provides a second wireless communications service and communicates with a second communications device in compliance with a second protocol. A Co-Located Coexistence radio manager detects activities of the first radio modules, obtains a first traffic pattern describing downlink and/or uplink traffic allocations of the first radio module from the first radio module, and generates a second traffic pattern of the second radio module according to the first traffic pattern to coordinate operations of the first and second radio modules. An associated method is also provided. | 08-07-2014 |
20140254634 | SYSTEMS AND METHODS FOR REDUCING INTERFERENCE BETWEEN A PLURALITY OF WIRELESS COMMUNICATIONS MODULES - A wireless communications includes a first wireless communications and a second wireless communications. The first wireless communications module transmits or receives a first wireless signal in a first frequency band selected from a first frequency range. The second wireless communications module transmits or receives a second wireless signal in a second frequency band selected from a second frequency range, and adjusts a transmission power of the second wireless signal in response to that a frequency offset between the first frequency band and the second frequency band falls within a predetermined range. The first wireless communications module is further configured to determine an in-band range in the overlapping part of the first and second frequency ranges, and a transmission power of the second wireless signal is adjusted in response to a frequency offset between the first frequency band and the second frequency band. | 09-11-2014 |
20140328271 | METHODS FOR PREVENTING IN-DEVICE COEXISTENCE INTERFERENCE AND COMMUNICATIONS APPARATUS UTILIZING THE SAME - A method for preventing in device coexistence (IDC) interference of a communications apparatus including at least a first radio module providing a first wireless communications service in a first wireless network in compliance with a first protocol and a second radio module providing a second wireless communications service in a second wireless network in compliance with a second protocol, the method includes: determining whether a protection scheme for preventing IDC interference is to be performed; determining a predetermined time to activate the protection scheme when the protection scheme is determined to be performed; and transmitting a predetermined message to the second wireless network at the predetermined time to activate the protection scheme. | 11-06-2014 |
20140357288 | APPARATUSES AND METHODS FOR COORDINATION BETWEEN PLURALITY OF CO-LOCATED WIRELESS COMMUNICATION MODULES VIA ONE WIRE - A wireless communication device has a first wireless communication module coupled to a second wireless communication module via only one wire. The first wireless communication module is configured to performing a first wireless transceiving and to send a first request to the second wireless communication module indicating a remaining period of time to perform a second wireless transceiving, during which the first wireless communication module is not required to perform wireless transceiving. The second wireless communication module is configured to perform a second wireless transceiving, the second wireless communication module further configured to send a first response to the first request by indicating acceptance of the request if a status of the second wireless communication module is in an active mode, else by indicating that the first request is not accepted if the status of the second wireless communication module is in a sleep mode. | 12-04-2014 |
20150043440 | WIRELESS COMMUNICATIONS DEVICES SUPPORTING WIFI AND LTE COMMUNICATIONS AND METHODS FOR TRANSMISSION CONTROL THEREOF - A mobile communications device supporting operation on a first wireless technology and a second wireless technology with a wireless module and a controller module is provided. The wireless module performs wireless transceiving to and from a first base station of a first wireless technology and a second base station of a second wireless technology. The controller module transmits a control message prior to the starting of a uplink transmission period of the first wireless technology via the wireless module to occupy the uplink transmission period of the first wireless technology so as to allow transmission of signals of the second wireless technology during the uplink transmission period of the first wireless technology, wherein the first wireless technology is a long term evolution (LTE) technology and the second wireless technology is a WiFi technology. | 02-12-2015 |