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    • 1. 发明授权
    • Mobile device localization using audio signals
    • 移动设备本地化使用音频信号
    • US08830792B2
    • 2014-09-09
    • US13089033
    • 2011-04-18
    • Stuart TaylorTimothy ReganPhilip GossetDinan GunawardenaEno Thereska
    • Stuart TaylorTimothy ReganPhilip GossetDinan GunawardenaEno Thereska
    • G01S3/80G01S5/18
    • G01S3/8006G01S5/18H04W64/00
    • Mobile device localization using audio signals is described. In an example, a mobile device is localized by receiving a first audio signal captured by a microphone located at the mobile device and a second audio signal captured from a further microphone. A correlation value between the first audio signal and second audio signal is computed, and this is used to determine whether the mobile device is in proximity to the further microphone. In one example, the mobile device can receive the audio signals from the further microphone and calculate the correlation value. In another example, a server can receive the audio signals from the mobile device and the further microphone and calculate the correlation value. In examples, the further microphone can be a fixed microphone at a predetermined location, or the further microphone can be a microphone located in another mobile device.
    • 描述使用音频信号的移动设备定位。 在一个示例中,通过接收由位于移动设备处的麦克风捕获的第一音频信号和从另一个麦克风捕获的第二音频信号来定位移动设备。 计算第一音频信号和第二音频信号之间的相关值,并且这用于确定移动设备是否位于另外的麦克风附近。 在一个示例中,移动设备可以从另外的麦克风接收音频信号并计算相关值。 在另一示例中,服务器可以从移动设备和另外的麦克风接收音频信号,并计算相关值。 在示例中,另外的麦克风可以是预定位置处的固定麦克风,或者另外的麦克风可以是位于另一移动设备中的麦克风。
    • 2. 发明申请
    • Control of Background Data Transfers
    • 背景数据传输的控制
    • US20110013516A1
    • 2011-01-20
    • US12503657
    • 2009-07-15
    • Richard John BlackDinan GunawardenaPeter KeyGregory O'Shea
    • Richard John BlackDinan GunawardenaPeter KeyGregory O'Shea
    • H04L12/26
    • H04L43/0888H04L43/0864H04L67/32H04L69/16H04L69/163
    • Control of background data transfers is described. In an embodiment, a background data transfer is controlled at a receiver node by measuring a time period taken to receive from a sender node a data sequence of the same size as a receive window. The time period is used to evaluate available network capacity, and the network capacity used to calculate a new window size. The new window size is applied and communicated to the sender node. In another embodiment, a background data transfer is controlled at a receiver node by measuring a quantity of data received from a sender node during a first control interval. The measured quantity is used to evaluate available network capacity, and the network capacity used to calculate a new receive window size and a second control interval duration. The new window size is applied for the second control interval, and communicated to the sender node.
    • 描述背景数据传输的控制。 在一个实施例中,通过测量从发送者节点接收与接收窗口相同大小的数据序列所需的时间间隔,在接收机节点处控制背景数据传输。 该时间段用于评估可用网络容量,以及用于计算新窗口大小的网络容量。 新窗口大小被应用并传送给发送者节点。 在另一实施例中,通过在第一控制间隔期间测量从发送器节点接收的数据量,在接收器节点处控制背景数据传送。 测量的数量用于评估可用的网络容量,以及用于计算新的接收窗口大小和第二个控制间隔持续时间的网络容量。 新窗口大小应用于第二个控制间隔,并传送给发送者节点。
    • 3. 发明授权
    • Control of background data transfers
    • 背景数据传输的控制
    • US08340099B2
    • 2012-12-25
    • US12503657
    • 2009-07-15
    • Richard John BlackDinan GunawardenaPeter KeyGregory O'Shea
    • Richard John BlackDinan GunawardenaPeter KeyGregory O'Shea
    • H04L12/28
    • H04L43/0888H04L43/0864H04L67/32H04L69/16H04L69/163
    • Control of background data transfers is described. In an embodiment, a background data transfer is controlled at a receiver node by measuring a time period taken to receive from a sender node a data sequence of the same size as a receive window. The time period is used to evaluate available network capacity, and the network capacity used to calculate a new window size. The new window size is applied and communicated to the sender node. In another embodiment, a background data transfer is controlled at a receiver node by measuring a quantity of data received from a sender node during a first control interval. The measured quantity is used to evaluate available network capacity, and the network capacity used to calculate a new receive window size and a second control interval duration. The new window size is applied for the second control interval, and communicated to the sender node.
    • 描述背景数据传输的控制。 在一个实施例中,通过测量从发送者节点接收与接收窗口相同大小的数据序列所需的时间间隔,在接收机节点处控制背景数据传输。 该时间段用于评估可用网络容量,以及用于计算新窗口大小的网络容量。 新窗口大小被应用并传送给发送者节点。 在另一实施例中,通过在第一控制间隔期间测量从发送器节点接收的数据量,在接收器节点处控制背景数据传送。 测量的数量用于评估可用的网络容量,以及用于计算新的接收窗口大小和第二个控制间隔持续时间的网络容量。 新窗口大小应用于第二个控制间隔,并传送给发送者节点。
    • 4. 发明申请
    • Decentralized Relaying Algorithm for Mobile Devices
    • 移动设备的分散式中继算法
    • US20120309358A1
    • 2012-12-06
    • US13150535
    • 2011-06-01
    • Dinan GunawardenaThomas KaragiannisAlexandre ProutiereMilan Vojnovic
    • Dinan GunawardenaThomas KaragiannisAlexandre ProutiereMilan Vojnovic
    • H04W4/12
    • H04W88/04
    • A decentralized relaying algorithm for mobile devices is described. In an embodiment, a mobile device acts as a relay within a network of mobile devices and on contact with a source device downloads messages from the source according to a locally stored relaying probability for each channel of information within the network. These messages are subsequently downloaded to another device which is the end user of the message. Where the relay does not download the message from the source as a result of the decision made based on the relaying probability, a virtual message is downloaded which comprises metadata only and not the payload of the message. The relay updates the stored relaying probabilities for each channel based on locally observable information which includes feedback received from mobile devices to which the relay has downloaded messages. The feedback identifies unique paths for the payload of messages through the network.
    • 描述了用于移动设备的分散中继算法。 在一个实施例中,移动设备充当移动设备的网络内的中继器,并且在与源设备接触的情况下,根据网络内的每个信道信道的本地存储的中继概率来从源下载消息。 这些消息随后被下载到消息的最终用户的另一设备。 由于作为基于中继概率的决定的结果,中继器不从源地下载消息,所以下载虚拟消息,其仅包含元数据而不是消息的有效载荷。 继电器基于本地可观察到的信息更新每个信道的存储的中继概率,该信息包括从中继已下载消息的移动设备接收到的反馈。 反馈通过网络识别消息有效载荷的唯一路径。
    • 5. 发明申请
    • Mobile Device Localization Using Audio Signals
    • 使用音频信号的移动设备本地化
    • US20120263020A1
    • 2012-10-18
    • US13089033
    • 2011-04-18
    • Stuart TaylorTimothy ReganPhilip GossetDinan GunawardenaEno Thereska
    • Stuart TaylorTimothy ReganPhilip GossetDinan GunawardenaEno Thereska
    • G01S3/80
    • G01S3/8006G01S5/18H04W64/00
    • Mobile device localization using audio signals is described. In an example, a mobile device is localized by receiving a first audio signal captured by a microphone located at the mobile device and a second audio signal captured from a further microphone. A correlation value between the first audio signal and second audio signal is computed, and this is used to determine whether the mobile device is in proximity to the further microphone. In one example, the mobile device can receive the audio signals from the further microphone and calculate the correlation value. In another example, a server can receive the audio signals from the mobile device and the further microphone and calculate the correlation value. In examples, the further microphone can be a fixed microphone at a predetermined location, or the further microphone can be a microphone located in another mobile device.
    • 描述使用音频信号的移动设备定位。 在一个示例中,通过接收由位于移动设备处的麦克风捕获的第一音频信号和从另一个麦克风捕获的第二音频信号来定位移动设备。 计算第一音频信号和第二音频信号之间的相关值,并且这用于确定移动设备是否位于另外的麦克风附近。 在一个示例中,移动设备可以从另外的麦克风接收音频信号并计算相关值。 在另一示例中,服务器可以从移动设备和另外的麦克风接收音频信号,并计算相关值。 在示例中,另外的麦克风可以是预定位置处的固定麦克风,或者另外的麦克风可以是位于另一移动设备中的麦克风。
    • 10. 发明授权
    • Decentralized relaying algorithm for mobile devices
    • 移动设备的分散中继算法
    • US08886731B2
    • 2014-11-11
    • US13150535
    • 2011-06-01
    • Dinan GunawardenaThomas KaragiannisAlexandre ProutiereMilan Vojnovic
    • Dinan GunawardenaThomas KaragiannisAlexandre ProutiereMilan Vojnovic
    • G06F15/16H04W88/04
    • H04W88/04
    • A decentralized relaying algorithm for mobile devices is described. In an embodiment, a mobile device acts as a relay within a network of mobile devices and on contact with a source device downloads messages from the source according to a locally stored relaying probability for each channel of information within the network. These messages are subsequently downloaded to another device which is the end user of the message. Where the relay does not download the message from the source as a result of the decision made based on the relaying probability, a virtual message is downloaded which comprises metadata only and not the payload of the message. The relay updates the stored relaying probabilities for each channel based on locally observable information which includes feedback received from mobile devices to which the relay has downloaded messages. The feedback identifies unique paths for the payload of messages through the network.
    • 描述了用于移动设备的分散中继算法。 在一个实施例中,移动设备充当移动设备的网络内的中继器,并且在与源设备接触的情况下,根据网络内的每个信道信道的本地存储的中继概率来从源下载消息。 这些消息随后被下载到消息的最终用户的另一设备。 由于作为基于中继概率的决定的结果,中继器不从源地下载消息,所以下载虚拟消息,其仅包含元数据而不是消息的有效载荷。 继电器基于本地可观察到的信息更新每个信道的存储的中继概率,该信息包括从中继已下载消息的移动设备接收到的反馈。 反馈通过网络识别消息有效载荷的唯一路径。