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    • 2. 发明授权
    • Method and system for device communication in a wireless video area network
    • 无线视频区域网络中设备通信的方法和系统
    • US08923144B2
    • 2014-12-30
    • US13007308
    • 2011-01-14
    • Huai-Rong ShaoHarkirat SinghChiu Ngo
    • Huai-Rong ShaoHarkirat SinghChiu Ngo
    • H04L12/26H04W8/00
    • H04W8/005
    • A method and system for device discovery in a wireless network is provided. The device discovery involves directionally transmitting a data unit from a transmitting station over a channel in different directions to emulate omni-directional transmission, receiving the data unit transmissions from different directions at a receiving station, determining the quality of the transmissions received from the different directions, and detecting location information for the transmitting station relative to the receiving station based on the highest quality transmission among the transmissions received from the different directions. Further, if a channel has sufficient bandwidth to satisfy direct link communication between two stations, then during a direct link set-up stage, the two stations conduct a probing message exchange using omni-direction transmission, and upon successful probing, obtain communication link status information and set proper communication configurations for the two stations based on the communication link status information.
    • 提供了一种用于无线网络中的设备发现的方法和系统。 设备发现涉及通过不同方向上的信道从发射台定向发送数据单元以模拟全向传输,在接收站从不同方向接收数据单元传输,确定从不同方向接收的传输的质量 以及基于从不同方向接收的传输中的最高质量传输来检测发送站相对于接收站的位置信息。 此外,如果信道具有足够的带宽以满足两个站之间的直接链路通信,则在直接链路建立阶段期间,两个站使用全向传输进行探测消息交换,并且在成功探测时获得通信链路状态 信息,并根据通信链路状态信息设置两个站的适当通信配置。
    • 5. 发明授权
    • Method and system for partitioning and encoding of uncompressed video for transmission over wireless medium
    • 用于通过无线介质传输的未压缩视频的分割和编码方法和系统
    • US08605797B2
    • 2013-12-10
    • US11598920
    • 2006-11-13
    • Huai-Rong ShaoHarkirat SinghChiu Ngo
    • Huai-Rong ShaoHarkirat SinghChiu Ngo
    • H04N11/04G06K9/46
    • H04N19/89
    • A method and system for transmitting uncompressed video over a wireless channel by inputting a frame of pixel information, partitioning spatially correlated pixels into different packets, and transmitting the packets separately over a wireless channel. For robust transmission, error detection data can be generated for each packet and appended to each packet before transmission. A receiver receives the transmitted packets and checks if a received packet is corrupt based on the appended error detection data. For a corrupt packet, the receiver corrects the corrupt pixels using pixel information in other received packets containing neighboring pixels to recover each corrupt pixel in the corrupt packet.
    • 一种方法和系统,用于通过输入像素信息的帧,通过无线信道发送未压缩的视频,将空间相关的像素划分成不同的分组,以及通过无线信道分别发送分组。 对于鲁棒传输,可以为每个分组生成错误检测数据,并在传输之前附加到每个分组。 接收器接收所发送的分组,并根据所附的错误检测数据来检查接收的分组是否损坏。 对于损坏的数据包,接收器使用包含相邻像素的其他接收数据包中的像素信息来校正损坏的像素,以恢复损坏的数据包中的每个损坏的像素。
    • 7. 发明授权
    • Method and system for coordinating wireless communication of different waveforms in the same frequency band
    • 协调相同频段不同波形无线通信的方法和系统
    • US08532034B2
    • 2013-09-10
    • US12339765
    • 2008-12-19
    • Huai-Rong ShaoChiu Ngo
    • Huai-Rong ShaoChiu Ngo
    • H04W4/00H04W72/00
    • H04W16/14H04W48/12H04W72/1215
    • A method and system for coordinating wireless communication of different waveforms in the same frequency band, is provided, the network including multiple wireless stations of different types operating at the same wireless frequency band but at different waveform formats. Channel bandwidth is allocated by scanning all available channels in the frequency band to detect available channels. When the number of detected available channels is not less than the number of wireless station types, then scheduling and transmitting beacon periods for the different types of wireless stations to different available channels, wherein each type of wireless station may have a dedicated available channel period for wireless communication in parallel with other types of wireless stations.
    • 提供了一种用于协调相同频带中不同波形的无线通信的方法和系统,该网络包括在相同无线频带但不同波形格式下操作的不同类型的多个无线站。 通过扫描频段中的所有可用信道来分配信道带宽,以检测可用信道。 当检测到的可用信道的数量不小于无线站类型的数量时,则调度和发送用于不同类型的无线站的信标周期到不同的可用信道,其中每种类型的无线站可以具有专用的可用信道周期 无线通信与其他类型的无线站并行。