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    • 87. 发明授权
    • Arrangements for beam refinement in a wireless network
    • 在无线网络中进行光束细化的安排
    • US08116819B2
    • 2012-02-14
    • US12317971
    • 2008-12-31
    • Huaning NiuOinghua Li
    • Huaning NiuOinghua Li
    • H04M1/00H01Q3/00
    • H01Q1/246H01Q1/125H01Q3/30
    • A beamforming method is disclosed that includes performing sequential beam transmissions in multiple directions and receiving replies to the transmissions (i.e. a sector search). The received transmissions can include information or channel parameters such as direction of arrival, signal to noise ratio, signal strength, etc., for each sector. Utilizing the parameters transmitted or fed back by the receiver, the transmitter can store control vectors that dictate a beam that can be utilized to commence a beam refinement procedure. In addition, the parameters can be utilized to select and implement a custom sequence to refine the communication channel between the device and the controller. The custom sequence can significantly reduce the time required to create a channel with acceptable qualities such that efficient high speed network communications can be conducted. Other embodiments are also disclosed.
    • 公开了一种波束成形方法,其包括在多个方向上执行顺序波束传输并且接收对传输的回复(即扇区搜索)。 接收的传输可以包括针对每个扇区的信息或信道参数,例如到达方向,信噪比,信号强度等。 利用由接收机发送或反馈的参数,发射机可以存储指示可用于启动光束精化过程的光束的控制矢量。 另外,这些参数可以用于选择和实现自定义序列,以改善设备和控制器之间的通信信道。 自定义序列可以显着减少创建具有可接受质量的信道所需的时间,从而可以进行有效的高速网络通信。 还公开了其他实施例。
    • 89. 发明授权
    • System and method for wireless communication of uncompressed video having a preamble design
    • 具有前导码设计的未压缩视频的无线通信系统和方法
    • US07860128B2
    • 2010-12-28
    • US11735405
    • 2007-04-13
    • Huaning NiuPengfei XiaChiu Ngo
    • Huaning NiuPengfei XiaChiu Ngo
    • H04B7/208
    • H04L27/2613H04N21/2383H04N21/43637H04N21/4382
    • A method and system for transmitting uncompressed video information from a sender to a receiver over a wireless channel is described. Uncompressed video information bits are provided at the sender and the video information bits are packetized into one or more packets. A preamble to precede the data in each packet is provided, where the preamble includes a set of short training sequences and a set of long training sequences. Multiple packets are transmitted from the sender to the receiver over a wireless channel. In certain embodiments, the set of short training sequences includes seven short training sequences and the set of long training sequences includes two long training sequences, and the total length of the preamble is five orthogonal frequency-division multiplexing (OFDM) symbols long.
    • 描述了一种通过无线信道将未压缩视频信息从发送方发送到接收机的方法和系统。 未压缩的视频信息位在发送器处被提供,并且视频信息比特被分组成一个或多个分组。 提供了在每个分组中的数据之前的前导码,其中前导码包括一组短训练序列和一组长训练序列。 多个分组通过无线信道从发送者发送到接收者。 在某些实施例中,短训练序列集合包括七个短训练序列,并且该组训练序列包括两个长训练序列,并且前导码的总长度是五个正交频分复用(OFDM)符号。