Patent application number | Description | Published |
20080219323 | FAST AND RELIABLE CHANNEL CLASSIFICATION ALGORITHMS IN BLUETOOTH NETWORKS TO DETECT AND AVOID 2.4 GHZ INTERFERERS - Aspects of a method and system for fast and reliable channel classification in Bluetooth networks to detect and avoid channel interferers may include one or more processors that may enable performance of signal strength measurements on received Bluetooth signals at a current selected frequency. At least one data packet received via the Bluetooth signals may be processed to determine the presence of bit errors. The processor(s) may enable characterization of the Bluetooth signals at the current selected frequency based on the signal strength measurements and/or the processing of the data packets. The current selected frequency may be selected during adaptive frequency hopping based on the characterization. | 09-11-2008 |
20080233875 | Method and System for Collaborative Coexistence of Bluetooth and WIMAX - Methods and systems for collaborative coexistence of Bluetooth and WiMax are disclosed. Aspects of one method may include a packet traffic arbiter (PTA) in a mobile terminal that arbitrates among requests to transmit from one or more communication devices collocated in the mobile terminal. The communication devices may comprise, for example, a WLAN communication device, a WiMax communication device, and/or a Bluetooth communication device. The arbitration may be based on, for example, whether a packet will be received by one of the plurality of collocated communication devices at a time of transmission of the present data packet and/or a priority for data to be transmitted. An exemplary scenario may be where a Bluetooth headset may be used for communication over a WiMax voice connection. One arbitration method may comprise allowing the WiMax packet to be transmitted, and replacing the received Bluetooth packet with data indicating silence. Another method may comprise not allowing transmission of the present WiMax packet. Rather, the present WiMax packet and a subsequent WiMax packet may e transmitted at the next transmission period. | 09-25-2008 |
20080238807 | Dual antenna topology for Bluetooth and IEEE 802.11 wireless Local Area Network devices - A method includes determining that an antenna shared between a Bluetooth transceiver and a WLAN transceiver is available to the WLAN transceiver based on an activity signal associated with the Bluetooth transceiver. Access to the shared antenna is provided to the WLAN transceiver based on the determination, and the WLAN transceiver is configured to use diversity in transacting WLAN signals via a plurality of antennas, including the shared antenna. Access to the shared antenna is transferred from the WLAN transceiver to the Bluetooth transceiver based on the activity signal. | 10-02-2008 |
20080259846 | Cooperative transceiving between wireless interface devices of a host device - A circuit includes a first wireless interface circuit that transceives packetized data with a first external device in accordance with a first wireless communication protocol. A second wireless interface circuit transceives packetized data with a second external device in accordance with a second wireless communication protocol and wherein the operation of the second wireless interface circuit interferes with the operation of the first wireless interface circuit. A processing module selectively preempts use of the second frequency spectrum by the second external device using a plurality of preemption modes including a first preemption mode and a second preemption mode. | 10-23-2008 |
20080279138 | Cooperative transceiving between wireless interface devices of a host device with shared modules - An circuit includes a first wireless interface circuit that transceives packetized data between a host module and a first external device in accordance with a first wireless communication protocol. A second wireless interface circuit transceives packetized data between the host module and a second external device in accordance with a second wireless communication protocol. The second wireless interface circuit includes at least one module that is shared with first wireless interface circuit, the module having a first state where the module is operational and a second state corresponding to a low-power state. The first wireless interface circuit and the second wireless interface circuit operate in accordance with a wireless interface schedule that includes a first time interval where the first wireless interface device and the second wireless interface device contemporaneously use the at least one module in the first state and a second time interval where the at least one module is in the second state. | 11-13-2008 |
20080279162 | Shared processing between wireless interface devices of a host device - An integrated circuit includes a first wireless interface circuit that transceives first packetized data between a host module and a first external device in accordance with a first wireless communication protocol, wherein the first wireless interface circuit includes a first processing module that processes the first packetized data. A second wireless interface circuit, coupled to the first wireless interface device, transceives second packetized data between the host module and a second external device in accordance with a second wireless communication protocol, wherein the second wireless interface circuit includes a second processing module that processes the second packetized data, wherein the second wireless interface circuit is operable to assign a first processing task to the first processing module and wherein the first processing task relates to the processing of the second packetized data. | 11-13-2008 |
20080279163 | Cooperative transceiving between wireless interface devices of a host device with acknowledge priority - A wireless communication device includes a host module. A first wireless interface device transmits a first outbound packet in accordance with a first wireless communication protocol at a first power level and a first rate during a first time interval and that transmits a second outbound packet at a second power level and a second rate during a second time interval, wherein the first power level is less than the second power level and wherein the second rate is less than the first rate. A second wireless interface device transceives data between the host module and a second external device during the second time interval in accordance with a second wireless communication protocol. An antenna section provides at least one radio frequency communication path between the first wireless interface device and the first external device and between the second wireless interface device and the second external device. | 11-13-2008 |
20080279264 | High speed data bus for communicating between wireless interface devices of a host device - A circuit includes a first wireless interface circuit that communicates packetized data to a first external device in accordance with a first wireless communication protocol. A second wireless interface circuit communicates packetized data to a second external device in accordance with a second wireless communication protocol. A plurality of signal lines communicate at least four lines of cooperation data between the first wireless interface circuit and the second wireless interface circuit, wherein the cooperation data relates to cooperate transceiving in a common frequency spectrum. | 11-13-2008 |
20080293368 | SHARED LNA AND PA GAIN CONTROL IN A WIRELESS DEVICE - A wireless device includes at least one antenna, a plurality of shared signal path components coupled to the at least one antenna, the plurality of shared signal path components including a shared adjustable gain element, e.g., Low Noise Amplifier (LNA), Power Amplifier (PA), etc., a first wireless interface, e.g. Wireless Local Area Network interface coupled to the plurality of shared signal path components, and a second wireless interface, e.g., Wireless Personal Area Network interface, coupled to the plurality of shared signal path components. During a first operational period, the first wireless interface controls gain of the shared adjustable gain element and during a second operational period that differs from the first operational period, the second wireless network interface controls gain of the shared adjustable gain element. With another embodiment the first wireless interface and/or the second wireless interface each includes shared adjustable gain elements for transmit and receive diversity. | 11-27-2008 |
20090147763 | METHOD AND SYSTEM FOR MULTI-RADIO COEXISTENCE AND A COLLABORATIVE INTERFACE - Aspects of a method and system for multi-radio coexistence and a collaborative interface may include exchanging information between a plurality of radio transceivers integrated within a single device to enable coexistence, and coordinating sharing of transmit and receive resources between the plurality of radio transceivers by controlling access to the transmit and receive resources, where any one of the plurality of radio transceivers may be enabled to be selected to control the access based on the exchanged information. Selecting one of the radio transceivers for the controlling of the access band may be based on processing capability or priority of communication. The resources may comprise frequency bands, time slots, and antenna access. The information may be exchanged via a serial bus between the plurality of radio transceivers, where the serial bus may conform to an I2C (I-square-C) multi-master serial bus. Each of the radio transceivers may conform to one or more radio frequency technology. | 06-11-2009 |
20090196210 | COLLABORATIVE COEXISTENCE OF CO-LOCATED MOBILE WIMAX, WIRELESS LAN, AND/OR BLUETOOTH RADIOS - Collaborative coexistence of co-located mobile WiMAX, wireless LAN, and/or Bluetooth radios. Within a communication device that includes multi-protocol communication capability, the various radio modules included within such a communication device operate cooperatively such that collisions are avoided between those various radios. When a first of the radio modules operates as governed by a relatively rigid frame structure, a second of the radio modules capitalizes upon that predetermined nature (of the relatively rigid frame structure) to support communication during times in which that first radio module has a lower level of activity (e.g., turned off completely, within a power savings mode, in a sleep mode, etc.). The radio module operation is performed within a time-orthogonal manner, such that multiple radio modules are not attempting to transmit or receive simultaneously. Moreover, CTS2SELF operation can be employed alone or in conjunction with power savings operation of co-located radios within a communication device. | 08-06-2009 |
20090254353 | METHOD AND SYSTEM FOR AN EFFICIENT IMPLEMENTATION OF THE BLUETOOTH.RTM. SUBBAND CODEC (SBC) - A method for processing audio may include performing using one or more processors and/or circuits in a Bluetooth enabled communication device, receiving audio samples that are encoded by a Bluetooth subband CODEC. The encoded audio samples may include inverse discrete cosine transformed windowed audio data. Shifted subband samples corresponding to the received encoded audio samples may be discrete cosine transformed during decoding by a receive Bluetooth subband codec. The inverse discrete cosine transformed windowed audio data may be generated by an encoding matrix operation. Windowing of the audio data may occur prior to the encoding matrix operation. A plurality of filter coefficients may be utilized for the windowing of the audio data. The shifted subband samples may be discrete cosine transformed during a decoding matrix operation. | 10-08-2009 |
20100035545 | METHOD AND SYSTEM FOR BLUETOOTH HID ACTIVITY PREDICTION FOR WIRELESS COEXISTENCE THROUGHPUT OPTIMIZATION - A host device may be enabled to support a plurality of wireless interfaces, wherein some of these interfaces may be utilized to support human interface device (HID) based communication. The host device may be enabled to monitor activity of HID devices based on communications via HID capable wireless interfaces, may predict future use of the HID devices based on the monitoring, and may manage sniff communication that is utilized to track and/or detect activities in the HID devices. The management of the sniff communication may comprise adjusting characteristics of the sniff communication to enable improving throughput of other wireless interfaces available via the host device that may be affected by the sniff communication. The adjustment of the characteristics of sniff communication may comprise adjusting, statically and/or dynamically, length of sniff intervals and/or designating of sniff packets as high priority requests. | 02-11-2010 |
20100120362 | METHOD AND SYSTEM FOR QUICK BLUETOOTH LOW ENERGY (BLE) PROTOCOL SIGNAL PRESENCE DETECTION FOR COEXISTENCE - Aspects of the invention may comprise managing operations of BLE interfaces and/or other radio interfaces in a wireless device to mitigate interference to communication via the BLE interfaces by the other radio interfaces. Operating parameters may be communicated between the BLE interfaces and the other radio interfaces to enable mitigating the interference to the BLE interfaces, and at least some of the BLE interfaces and/or the other radio interfaces may be configured based on the communicated operating parameters. The operating parameters may comprise adaptive frequency hopping (AFH) maps that may be adjusted to prevent use of common and/or used channels. The communication device may detect energy associated with BLE communication via scan of all or some of channels used for BLE communication. BLE communication may be predicted based on monitoring of frequency bands used during BLE communication, and/or monitoring of events that may trigger and/or occur during BLE communication. | 05-13-2010 |
20110294432 | FAST AND RELIABLE CHANNEL CLASSIFICATION ALGORITHMS IN BLUETOOTH NETWORKS TO DETECT AND AVOID 2.4 GHZ INTERFERERS - A method for frequency selection in a wireless communication system, includes performing in a wireless device, receiving at least one signal at a current frequency; processing at least one data packet received via the received at least one signal to determine the presence of bit errors; characterizing the received at least one signal received at the current frequency based on the processing of the at least one data packet; classifying the current frequency based on at least the characterization of the received at least one signal; and selecting the current frequency based on the classification. At least one signal strength measurement may be performed on the received at least one signal, and the processing of the at least one data packet may be performed within a current channel classification update interval. | 12-01-2011 |
20120034870 | Method and system for achieving enhanced quality and higher throughput for collocated IEEE 802.11B/G and bluetooth devices in coexistent operation - A method and system for achieving enhanced quality and higher throughput for collocated IEEE 802.11b/g and Bluetooth (BT) devices in coexistent operation are provided. A priority signal may be generated by a BT radio in a coexistence station to disable WLAN transmissions in a WLAN radio when a BT HV3 frame is available for transmission. When the priority signal is asserted, an exponentially growing retransmission backoff mechanism in the WLAN radio may be disabled. Moreover, when the BT radio and the WLAN radio are enabled for coexistence operation, a WLAN fragmentation threshold in the WLAN radio may be modified based on a WLAN modulation rate and the BT HV3 frame duration. | 02-09-2012 |
20120258667 | Method and System for Bluetooth HID Activity Prediction for Wireless Coexistence Throughput Optimization - A host device may be enabled to support a plurality of wireless interfaces, wherein some of these interfaces may be utilized to support human interface device (HID) based communication. The host device may be enabled to monitor activity of HID devices based on communications via HID capable wireless interfaces, may predict future use of the HID devices based on the monitoring, and may manage sniff communication that is utilized to track and/or detect activities in the HID devices. The management of the sniff communication may comprise adjusting characteristics of the sniff communication to enable improving throughput of other wireless interfaces available via the host device that may be affected by the sniff communication. The adjustment of the characteristics of sniff communication may comprise adjusting, statically and/or dynamically, length of sniff intervals and/or designating of sniff packets as high priority requests. | 10-11-2012 |
20130121329 | Method And System For Achieving Enhanced Quality And Higher Throughput For Collocated IEEE 802.11B/G And Bluetooth Devices In Coexistent Operation - Disclosed are various embodiments for providing wireless communication. A Bluetooth (BT) communication protocol and a Wireless Local Area Network (WLAN) communication protocol are enabled in a station. A WLAN fragmentation threshold utilized by the WLAN communication protocol is modified based on a WLAN modulation rate and an HV3 frame duration that is utilized by the BT communication protocol. | 05-16-2013 |
20140040471 | Systems and Methods for Enabling Coexistence of Multiple Wireless Components Operating in the Same Frequency Band - Methods and systems for enabling coexistence of multiple potentially interfering wireless components in a device are provided. A device may include a wireless module using a proprietary protocol and one or more modules using standardized protocols. The device further includes a coexistence arbitration module configured to arbitrate access to a shared communication medium among the wireless modules based on assertion of medium access requests by the modules and the associated priority of the asserted medium access requests. When multiple medium access requests have the same priority, precedence for access to the shared medium is determined based on additional criteria. The coexistence arbitration module may be a separate module or may be integrated into another module or distributed among the modules. The device may include a host processor for altering transmission characteristics of a module to increase the likelihood that another module can receive data within a reasonable time period. | 02-06-2014 |
20140064398 | DUAL ANTENNA TOPOLOGY FOR BLUETOOTH AND IEEE 802.11 WIRELESS LOCAL AREA NETWORK DEVICES - A method includes determining that an antenna shared between a Bluetooth transceiver and a WLAN transceiver is available to the WLAN transceiver based on an activity signal associated with the Bluetooth transceiver. Access to the shared antenna is provided to the WLAN transceiver based on the determination, and the WLAN transceiver is configured to use diversity in transacting WLAN signals via a plurality of antennas, including the shared antenna. Access to the shared antenna is transferred from the WLAN transceiver to the Bluetooth transceiver based on the activity signal. | 03-06-2014 |
20140080418 | Method and System for Bluetooth HID Activity Prediction for Wireless Coexistence Throughput Optimization - A host device may be enabled to support a plurality of wireless interfaces, wherein some of these interfaces may be utilized to support human interface device (HID) based communication. The host device may be enabled to monitor activity of HID devices based on communications via HID capable wireless interfaces, may predict future use of the HID devices based on the monitoring, and may manage sniff communication that is utilized to track and/or detect activities in the HID devices. The management of the sniff communication may comprise adjusting characteristics of the sniff communication to enable improving throughput of other wireless interfaces available via the host device that may be affected by the sniff communication. The adjustment of the characteristics of sniff communication may comprise adjusting, statically and/or dynamically, length of sniff intervals and/or designating of sniff packets as high priority requests. | 03-20-2014 |