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    Communications techniques for bursty noise environments
    4.
    发明授权
    Communications techniques for bursty noise environments 有权
    突发噪声环境的通信技术

    公开(公告)号：US08824288B2

    公开(公告)日：2014-09-02

    申请号：US12960614

    申请日：2010-12-06

    申请人： Jie Gao ,  Xintian Lin ,  Qinghua Li ,  Hsin-Yuo Liu

    发明人： Jie Gao ,  Xintian Lin ,  Qinghua Li ,  Hsin-Yuo Liu

    IPC分类号： H04L12/26

    CPC分类号： H04L43/0811 ,  H04L43/10 ,  H04L47/14 ,  H04L47/22 ,  H04L47/263

    摘要： Techniques are disclosed that involve communicating in bursty noise environments. For instance, a source device may send a probing packet to a destination device. This probing packet is for determining whether the communications medium (e.g., one or more frequency channels) is currently exhibiting a busy or jammed (e.g., due to bursty noise) condition. More particularly, based on whether an acknowledgment of the probing packet is received, the source device determines whether the channel is jammed (or busy) or clear. For example, an unacknowledged probing packet indicates that the channel is jammed or busy, while an acknowledged probing packet indicates that the channel is clear. If the channel is determined to be clear, then the source device may transmit one or more data packets to the destination device. Such data packet transmissions may be in accordance with a non rate-adaptive technique.

    摘要翻译： 公开了涉及在突发噪声环境中进行通信的技术。 例如，源设备可以向目的地设备发送探测分组。 该探测分组用于确定通信介质（例如，一个或多个频率信道）当前是否正在呈现忙或卡住（例如，由于突发噪声）条件。 更具体地，基于是否接收到探测分组的确认，源设备确定信道是否被卡住（或忙）或清除。 例如，未确认的探测分组指示信道被卡住或占线，而确认的探测分组指示信道是清除的。 如果信道被确定为清除，则源设备可以向目的设备发送一个或多个数据分组。 这样的数据分组传输可以是根据非速率自适应技术。

    Techniques to time vary pilot locations in wireless networks
    5.
    发明授权
    Techniques to time vary pilot locations in wireless networks 有权
    时间不同的技术使无线网络中的导频位置变化

    公开(公告)号：US08238456B2

    公开(公告)日：2012-08-07

    申请号：US12384688

    申请日：2009-04-07

    申请人： Qinghua Li ,  Xintian Lin

    发明人： Qinghua Li ,  Xintian Lin

    IPC分类号： H04L27/28 ,  H04K1/10

    CPC分类号： H04L5/0048 ,  H04L1/0006 ,  H04L1/0025 ,  H04L5/0007 ,  H04L5/0023 ,  H04L5/006 ,  H04L5/0062 ,  H04L5/0094 ,  H04W72/08

    摘要： An embodiment of the present invention provides an apparatus, comprising a receiver capable of selecting optimal pilot locations and providing feedback of the pilot locations to a transmitter in communication with the receiver. The optimal pilot locations may be selected by locations that avoid strong interference or platform noise at the receiver, by locations that avoid deep fading, by locations that maximize the spacing between pilot tones at the two ends of a wireless frequency band or by locations that equalize the interspacing between any two adjacent pilots.

    摘要翻译： 本发明的一个实施例提供了一种装置，包括能够选择最佳导频位置并且向与接收机通信的发射机提供导频位置的反馈的接收机。 最佳导频位置可以由避免接收机强烈干扰或平台噪声的位置通过避免深度衰落的位置通过最大化无线频带两端的导频音之间的间隔的位置来选择，或者通过均衡的位置 任何两个相邻飞行员之间的间隔。

    Techniques to time vary pilot locations in wireless networks
    6.
    发明申请
    Techniques to time vary pilot locations in wireless networks 有权
    时间不同的技术使无线网络中的导频位置变化

    公开(公告)号：US20070147520A1

    公开(公告)日：2007-06-28

    申请号：US11317311

    申请日：2005-12-23

    申请人： Qinghua Li ,  Xintian Lin

    发明人： Qinghua Li ,  Xintian Lin

    IPC分类号： H04K1/10

    CPC分类号： H04L5/0048 ,  H04L1/0006 ,  H04L1/0025 ,  H04L5/0007 ,  H04L5/0023 ,  H04L5/006 ,  H04L5/0062 ,  H04L5/0094 ,  H04W72/08

    摘要： An embodiment of the present invention provides an apparatus, comprising a receiver 5 capable of selecting optimal pilot locations and providing feedback of the pilot locations to a transmitter in communication with the receiver. The optimal pilot locations may be selected by locations that avoid strong interference or platform noise at the receiver, by locations that avoid deep fading, by locations that maximize the spacing between pilot tones at the two ends of a wireless frequency band or by locations that equalize the interspacing between any two adjacent pilots.

    摘要翻译： 本发明的一个实施例提供了一种装置，包括能够选择最佳导频位置并且向与接收机通信的发射机提供导频位置的反馈的接收机5。 最佳导频位置可以由避免接收机强烈干扰或平台噪声的位置通过避免深度衰落的位置通过最大化无线频带两端的导频音之间的间隔的位置来选择，或者通过均衡的位置 任何两个相邻飞行员之间的间隔。

    System and method capable of implicit feedback for the devices with an unequal number of transmitter and receiver chains in a wireless local area network
    9.
    发明申请
    System and method capable of implicit feedback for the devices with an unequal number of transmitter and receiver chains in a wireless local area network 有权
    能够在无线局域网中具有不等数量的发射机和接收机链的设备的隐式反馈的系统和方法

    公开(公告)号：US20060120476A1

    公开(公告)日：2006-06-08

    申请号：US11006849

    申请日：2004-12-07

    申请人： Qinghua Li ,  Xintian Lin

    发明人： Qinghua Li ,  Xintian Lin

    IPC分类号： H04L1/02

    CPC分类号： H04L1/0675 ,  H04B7/0421

    摘要： An embodiment of the present invention provides a wireless station (STA) capable of implicit feedback in a wireless local area network, comprising at least one power amplifier, a plurality of antennas capable of being connected with said at least one power amplifier, and a switch capable of switching the connection between said plurality of antennas and said at least one power amplifier thereby enabling said wireless station to sound a complete channel matrix for an access point (AP) in communication with said wireless station (STA).

    摘要翻译： 本发明的实施例提供一种能够在无线局域网中进行隐含反馈的无线站（STA），其包括至少一个功率放大器，能够与所述至少一个功率放大器连接的多个天线，以及开关 能够切换所述多个天线与所述至少一个功率放大器之间的连接，从而使得所述无线台能够对与所述无线站（STA）通信的接入点（AP）发出完整的信道矩阵。