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    • 3. 发明授权
    • Method and system for transmit power control techniques to reduce mutual interference between coexistent wireless networks device
    • 用于传输功率控制技术的方法和系统,以减少共存无线网络设备之间的相互干扰
    • US08693950B2
    • 2014-04-08
    • US11387541
    • 2006-03-23
    • Prasanna Desai
    • Prasanna Desai
    • H04B7/00
    • H04W52/243H04W52/242H04W72/1215H04W88/06
    • Aspects of a method and system for transmit power control techniques to reduce mutual interference between coexistent wireless networks are provided. A coexistence terminal comprising a WLAN radio and a Bluetooth radio operating as a master device may transmit signals to one or more remote controllers comprising a slave Bluetooth radio to increase transmission power when the isolation between the coexistence terminal's WLAN and Bluetooth radios is below a threshold. Link manager protocol (LMP) signals may be utilized for changing the transmission power. When the isolation increases above the threshold, signals may be generated to reduce the remote controllers' transmission power. In some instances, in addition to increasing the transmission power of remote controllers, the transmission power of the Bluetooth radio or the WLAN radio may be reduced. The reduced Bluetooth or WLAN radio transmission power may be increased when the radio isolation in the coexistence terminal increases.
    • 提供了用于发送功率控制技术的方法和系统的方面,以减少共存无线网络之间的相互干扰。 包括WLAN无线电和作为主设备的蓝牙无线电的共存终端可以在包括从属蓝牙无线电的一个或多个远程控制器中发送信号,以在共存终端的WLAN和蓝牙无线电之间的隔离低于阈值时增加发射功率。 链路管理协议(LMP)信号可用于改变传输功率。 当隔离度增加到阈值以上时,可能产生信号以减少遥控器的传输功率。 在一些情况下,除了增加遥控器的发射功率之外,可以减少蓝牙无线电或WLAN无线电的发射功率。 当共存终端中的无线电隔离增加时,可以增加减少的蓝牙或WLAN无线电传输功率。
    • 4. 发明授权
    • Systems and methods for enabling coexistence of multiple wireless components operating in the same frequency band
    • 实现在相同频带中工作的多个无线组件共存的系统和方法
    • US08554270B2
    • 2013-10-08
    • US11838682
    • 2007-08-14
    • Prasanna DesaiKelly CoffeyRobert HulveyMark Gonikberg
    • Prasanna DesaiKelly CoffeyRobert HulveyMark Gonikberg
    • H04M1/00
    • H04W72/1215H04W8/08H04W72/1242H04W88/06
    • 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.
    • 提供了用于实现设备中多个潜在干扰无线组件共存的方法和系统。 设备可以包括使用专有协议的无线模块和使用标准化协议的一个或多个模块。 所述设备还包括:共存仲裁模块,被配置为基于所述模块的介质访问请求的断言以及所述被介质访问请求的相关联的优先级来仲裁对所述无线模块之间的共享通信介质的访问。 当多个介质访问请求具有相同的优先级时,基于附加标准来确定访问共享介质的优先级。 共存仲裁模块可以是单独的模块,或者可以集成到另一模块中或分布在模块中。 该设备可以包括用于改变模块的传输特性的主机处理器,以增加另一个模块可以在合理的时间段内接收数据的可能性。
    • 5. 发明授权
    • Shared processing between wireless interface devices of a communication device
    • 通信设备的无线接口设备之间的共享处理
    • US08086264B2
    • 2011-12-27
    • US12869320
    • 2010-08-26
    • Prasanna Desai
    • Prasanna Desai
    • G06F15/16
    • H04W72/1215H04W88/06
    • An integrated circuit includes a first wireless interface circuit that transceives first packetized data with 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 with 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.
    • 集成电路包括:第一无线接口电路,其根据第一无线通信协议与第一外部设备收发第一分组化数据,其中第一无线接口电路包括处理第一分组数据的第一处理模块。 耦合到第一无线接口设备的第二无线接口电路根据第二无线通信协议用第二外部设备收发第二分组化数据,其中第二无线接口电路包括处理第二分组数据的第二处理模块, 其中所述第二无线接口电路可操作以将第一处理任务分配给所述第一处理模块,并且其中所述第一处理任务涉及所述第二分组化数据的处理。
    • 7. 发明授权
    • Shared processing between wireless interface devices of a host device
    • 在主机设备的无线接口设备之间进行共享处理
    • US07881746B2
    • 2011-02-01
    • US11801533
    • 2007-05-10
    • Prasanna Desai
    • Prasanna Desai
    • G06F15/16
    • H04W72/1215H04W88/06
    • 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.
    • 集成电路包括:第一无线接口电路,其根据第一无线通信协议在主机模块和第一外部设备之间收发第一分组化数据,其中所述第一无线接口电路包括处理所述第一分组数据的第一处理模块。 耦合到第一无线接口设备的第二无线接口电路根据第二无线通信协议在主机模块和第二外部设备之间收发第二分组化数据,其中第二无线接口电路包括第二处理模块,其处理 第二分组化数据,其中所述第二无线接口电路可操作以将第一处理任务分配给所述第一处理模块,并且其中所述第一处理任务涉及所述第二分组化数据的处理。
    • 8. 发明申请
    • Direct detection of wireless interferers in a communication device for multiple modulation types
    • 在多种调制类型的通信设备中直接检测无线干扰源
    • US20100303183A1
    • 2010-12-02
    • US12684765
    • 2010-01-08
    • Prasanna Desai
    • Prasanna Desai
    • H04B1/10
    • H04B1/1027H04L5/0062
    • Direct detection of wireless interferers in a communication device for multiple modulation types. One or more radios implemented within a communication device is/are operative to receive and process wireless communications. A wireless communication signal is processed to extract symbols there from. Various symbols groups are processed in accordance with correlation processing to identify potential interferers (e.g., other communication devices using common portions of frequency spectra). Alternatively, matched filter processing (e.g., using a Barker matched filter in some embodiments) operates on the various symbol groups to identify some potential interferers. Various combinations of correlation processing and matched filter processing may be employed in other instances (e.g., using any of a desired means of comparison, combining, etc.) in considering interferers identified in accordance with each of these two means. Also, re-identification and re-characterization of possible interferers may be performed subsequently to remove or re-admit frequency spectra for use in communications.
    • 在多种调制类型的通信设备中直接检测无线干扰源。 在通信设备内实现的一个或多个无线电装置可操作以接收和处理无线通信。 处理无线通信信号以从中提取符号。 根据相关处理来处理各种符号组,以识别潜在的干扰源(例如,使用频谱的公共部分的其他通信设备)。 或者,匹配滤波处理(例如,在一些实施例中使用巴克匹配滤波器)对各种符号组进行操作以识别一些潜在的干扰源。 在其他情况下可以采用相关处理和匹配滤波处理的各种组合(例如,使用任何所需的比较方法,组合等)来考虑根据这两种装置中的每一种识别的干扰源。 此外,可以随后执行可能的干扰源的重新识别和重新表征以去除或重新接收用于通信的频谱。
    • 9. 发明申请
    • Hybrid location determination for wireless communication device
    • 无线通信设备的混合位置确定
    • US20100303049A1
    • 2010-12-02
    • US12843202
    • 2010-07-26
    • Brima B. IbrahimPrasanna DesaiDonald L. FuchsCraig Ochikubo
    • Brima B. IbrahimPrasanna DesaiDonald L. FuchsCraig Ochikubo
    • H04W8/00
    • H04W4/023H04L67/18H04W4/02H04W4/50H04W8/26H04W84/12H04W88/06
    • Hybrid location determination for wireless communication device. Various services that may be used by a wireless communication device within a particular location may be referred to as location based services (LBS). As such, means by which the location of a wireless communication device that may use such available services, within such a locale, is made by using more than one type of location determination approach. For example, a wireless communication device includes communication capability (e.g., RX and TX) in accordance with a first communication protocol (e.g., Bluetooth) and also includes a communication capability (e.g., RX only) in accordance with a second communication protocol (e.g., WiFi/WLAN (Wireless Local Area Network)). The RX capability is operative to assist in location determination for the wireless communication device based on knowledge of at least one wireless communication device that communicates with the wireless communication device.
    • 无线通信设备的混合位置确定。 可以将特定位置内的无线通信设备使用的各种服务称为基于位置的服务(LBS)。 因此,通过使用多于一种类型的位置确定方法来进行在这样的区域内可以使用这种可用服务的无线通信设备的位置的方法。 例如,无线通信设备包括根据第一通信协议(例如,蓝牙)的通信能力(例如,RX和TX),并且还包括根据第二通信协议的通信能力(例如,仅限于RX)。 ,WiFi / WLAN(无线局域网))。 基于与无线通信设备进行通信的至少一个无线通信设备的知识,RX功能用于协助无线通信设备的位置确定。