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    Apparatus and method for collaborative hybrid automatic repeat request (HARQ) in broadband wireless communication using relay station
    1.
    发明申请
    Apparatus and method for collaborative hybrid automatic repeat request (HARQ) in broadband wireless communication using relay station 有权
    使用中继站的宽带无线通信协同混合自动重传请求（HARQ）的装置和方法

    公开(公告)号：US20080160912A1

    公开(公告)日：2008-07-03

    申请号：US11982850

    申请日：2007-11-05

    申请人： Dong-Ho Kim ,  Yung-Soo Kim ,  Yeheskel Bar-Ness ,  Igor Stanojev ,  Osvaldo Simeone

    发明人： Dong-Ho Kim ,  Yung-Soo Kim ,  Yeheskel Bar-Ness ,  Igor Stanojev ,  Osvaldo Simeone

    IPC分类号： H04B7/14 ,  H04B7/00

    CPC分类号： H04B7/155 ,  H04B7/026 ,  H04B17/27

    摘要： A collaborative Hybrid Automatic Repeat reQuest (HARQ) in a broadband wireless communication system using a relay station is provided. A transmitting end includes a distance estimator for estimating a distance to a relay station; a controller for determining whether to execute a collaborative HARQ using the estimated distance to the relay station; and a transmitter for, when the execution of the collaborative HARQ is determined and a retransmission request is received from a receiving end, sending a retransmission packet according to a multiple antenna signal processing scheme by constituting a virtual multiple antenna group with the relay station.

    摘要翻译： 提供了在使用中继站的宽带无线通信系统中的协作混合自动重传请求（HARQ）。 发送端包括用于估计到中继站的距离的距离估计器; 控制器，用于使用到所述中继站的估计距离来确定是否执行协作HARQ; 以及发送器，当确定协作HARQ的执行并且从接收端接收到重发请求时，通过与所述中继站构成虚拟多天线组，根据多天线信号处理方案发送重发分组。

    Method and system for decentralized power control of a multi-antenna access point using game theory
    5.
    发明申请
    Method and system for decentralized power control of a multi-antenna access point using game theory 有权
    使用游戏理论的多天线接入点的分散功率控制的方法和系统

    公开(公告)号：US20080167064A1

    公开(公告)日：2008-07-10

    申请号：US12001470

    申请日：2007-12-11

    申请人： Yeheskel Bar-Ness ,  Osvaldo Simeone ,  Igor Stanojev

    发明人： Yeheskel Bar-Ness ,  Osvaldo Simeone ,  Igor Stanojev

    IPC分类号： H04B7/00

    CPC分类号： H04W52/146 ,  H04W52/267 ,  H04W52/34

    摘要： Power control for uplink channels with non-cooperative and rational mobile stations (MS) provided using game theory. As a game leader, a multi-antenna access point (AP) determines the network parameters (bandwidth and the number of receiving antennas) for the power control game played between the mobile stations (MSs) (follower), so as to maximize the network utility per system resource (bandwidth and antennas).

    摘要翻译： 使用游戏理论提供的具有非合作和合理的移动台（MS）的上行链路信道的功率控制。 作为游戏领导者，多天线接入点（AP）确定用于在移动台（MS）（跟随器）之间播放的功率控制游戏的网络参数（带宽和接收天线的数量），以便使网络最大化 每个系统资源的效用（带宽和天线）。

    Method and system for decentralized power control of a multi-antenna access point using game theory
    6.
    发明授权
    Method and system for decentralized power control of a multi-antenna access point using game theory 有权
    使用游戏理论的多天线接入点的分散功率控制的方法和系统

    公开(公告)号：US08014809B2

    公开(公告)日：2011-09-06

    申请号：US12001470

    申请日：2007-12-11

    申请人： Yeheskel Bar-Ness ,  Osvaldo Simeone ,  Igor Stanojev

    发明人： Yeheskel Bar-Ness ,  Osvaldo Simeone ,  Igor Stanojev

    IPC分类号： H04B7/00

    CPC分类号： H04W52/146 ,  H04W52/267 ,  H04W52/34

    摘要： Power control for uplink channels with non-cooperative and rational mobile stations (MS) provided using game theory. As a game leader, a multi-antenna access point (AP) determines the network parameters (bandwidth and the number of receiving antennas) for the power control game played between the mobile stations (MSs) (follower), so as to maximize the network utility per system resource (bandwidth and antennas).

    摘要翻译： 使用游戏理论提供的具有非合作和合理的移动台（MS）的上行链路信道的功率控制。 作为游戏领导者，多天线接入点（AP）确定用于在移动台（MS）（跟随器）之间播放的功率控制游戏的网络参数（带宽和接收天线的数量），以便使网络最大化 每个系统资源的效用（带宽和天线）。

    Method and system for stable throughput of cognitive radio
    7.
    发明授权
    Method and system for stable throughput of cognitive radio 失效
    认知无线电的稳定吞吐量的方法和系统

    公开(公告)号：US08144723B2

    公开(公告)日：2012-03-27

    申请号：US12001480

    申请日：2007-12-11

    申请人： Yeheskel Bar-Ness ,  Osvaldo Simeone

    发明人： Yeheskel Bar-Ness ,  Osvaldo Simeone

    IPC分类号： H04L12/413

    CPC分类号： H04W88/04 ,  H04L47/10 ,  H04W24/00

    摘要： In one embodiment, a cognitive radio system includes a first transmitter in communication with a first receiver via a wireless channel. The first transmitter receives a plurality of first packets, and transmits the first packets to the first receiver via the channel. A second transmitter in communication with a second receiver and the first receiver via the channel receives a plurality of second packets, receives the plurality of first packets from the first transmitter, and transmits the second packets to the second receiver via the channel. The second transmitter is configured to detect an idle state of the channel. Upon detecting the idle state of the channel, the second transmitter is configured selectively to transmit at least one of the second packets to the second receiver or to relay at least one of the first packets to the first receiver.

    摘要翻译： 在一个实施例中，认知无线电系统包括经由无线信道与第一接收机通信的第一发射机。 第一发射机接收多个第一分组，并且经由信道将第一分组发送到第一接收机。 经由信道与第二接收机和第一接收机通信的第二发射机接收多个第二分组，从第一发射机接收多个第一分组，并经由信道将第二分组发送到第二接收机。 第二发射机被配置为检测信道的空闲状态。 在检测到信道的空闲状态时，第二发射机被选择性地配置为将第二分组中的至少一个发送到第二接收机，或者将第一分组中的至少一个中继到第一接收机。

    Pulse-Coupled Discrete-Time Phase Locked Loops For Wireless Networks
    8.
    发明申请
    Pulse-Coupled Discrete-Time Phase Locked Loops For Wireless Networks 审中-公开
    无线网络的脉冲耦合离散时间锁相环

    公开(公告)号：US20100254311A1

    公开(公告)日：2010-10-07

    申请号：US12600318

    申请日：2008-05-20

    申请人： Osvaldo Simeone ,  Umberto Spagnolini ,  Yeheskel Bar-Ness

    发明人： Osvaldo Simeone ,  Umberto Spagnolini ,  Yeheskel Bar-Ness

    IPC分类号： H04W40/00

    CPC分类号： H04L7/007 ,  H03L7/08 ,  H04L7/0083

    摘要： A model of a pulse-coupled discrete-time phase locked loops (PLLs) in a wireless network is provided. The PLLs at each node in the network may have an indeterminate order. A method for securing discrete-time distributed phase locked loops (PLLs) in a wireless network by including an outlier detection scheme in the timing update at each node is also provided. The method may include evaluating each collaborating node based on a weighted average of the clock errors and evaluating the dispersion of clock errors.

    摘要翻译： 提供了无线网络中脉冲耦合离散时间锁相环（PLL）的模型。 网络中每个节点处的PLL可能具有不确定的顺序。 还提供了一种通过在每个节点的定时更新中包括异常值检测方案来确保无线网络中的离散时间分布式锁相环（PLL）的方法。 该方法可以包括基于时钟误差的加权平均来评估每个协作节点并评估时钟误差的偏差。

    Method and system for stable throughput of cognitive radio
    9.
    发明申请
    Method and system for stable throughput of cognitive radio 失效
    认知无线电的稳定吞吐量的方法和系统

    公开(公告)号：US20080160927A1

    公开(公告)日：2008-07-03

    申请号：US12001480

    申请日：2007-12-11

    申请人： Yeheskel Bar-Ness ,  Osvaldo Simeone

    发明人： Yeheskel Bar-Ness ,  Osvaldo Simeone

    IPC分类号： H04B1/38

    CPC分类号： H04W88/04 ,  H04L47/10 ,  H04W24/00

    摘要： In one embodiment, a cognitive radio system includes a first transmitter in communication with a first receiver via a wireless channel. The first transmitter receives a plurality of first packets, and transmits the first packets to the first receiver via the channel. A second transmitter in communication with a second receiver and the first receiver via the channel receives a plurality of second packets, receives the plurality of first packets from the first transmitter, and transmits the second packets to the second receiver via the channel. The second transmitter is configured to detect an idle state of the channel. Upon detecting the idle state of the channel, the second transmitter is configured selectively to transmit at least one of the second packets to the second receiver or to relay at least one of the first packets to the first receiver.

    摘要翻译： 在一个实施例中，认知无线电系统包括经由无线信道与第一接收机通信的第一发射机。 第一发射机接收多个第一分组，并且经由信道将第一分组发送到第一接收机。 经由信道与第二接收机和第一接收机通信的第二发射机接收多个第二分组，从第一发射机接收多个第一分组，并经由信道将第二分组发送到第二接收机。 第二发射机被配置为检测信道的空闲状态。 在检测到信道的空闲状态时，第二发射机被选择性地配置为将第二分组中的至少一个发送到第二接收机，或者将第一分组中的至少一个中继到第一接收机。

    Method to improve channel estimate in broadband SIMO/MIMO cellular radio networks during abrupt interference variations
    10.
    发明授权
    Method to improve channel estimate in broadband SIMO/MIMO cellular radio networks during abrupt interference variations 有权
    在突发性干扰变化期间改善宽带SIMO / MIMO蜂窝无线电网络中信道估计的方法

    公开(公告)号：US07756007B2

    公开(公告)日：2010-07-13

    申请号：US12224096

    申请日：2007-02-13

    申请人： Monica Nicoli ,  Luigi Sampietro ,  Claudio Santacesaria ,  Osvaldo Simeone ,  Umberto Spagnolini

    发明人： Monica Nicoli ,  Luigi Sampietro ,  Claudio Santacesaria ,  Osvaldo Simeone ,  Umberto Spagnolini

    IPC分类号： H04J11/00

    CPC分类号： H04B7/0417 ,  H04B7/0439 ,  H04L25/0204 ,  H04L25/0224

    摘要： A channel response matrix gathering all unknown elements for all K pilot subcarriers on links between transmitting and receiving antennas, is Least Squares (full-rank) estimated. The interference covariance matrix is estimated from the residual. The correlation of the interference covariance matrix is computed at each new symbol and compared with a threshold. If the interference is significantly changed, the interference covariance matrix is re-initialized, otherwise a running average of the interference covariance matrix is updated with the actual value. Both the updated/re-initialized interference covariance matrix and the autocorrelation matrix of the transmitted pilot sequences (stored in the receiver) are used for whitening the estimated channel matrix before submission to modal filtering for rank reduction. The original spatial and/or temporal correlations are reintroduced in the reduced-rank channel matrix by inverse whitening. After estimation in the discrete-time domain, DFT for conversion is applied for estimation in the whole frequency band.

    摘要翻译： 在发射和接收天线之间的链路上收集所有K个导频子载波的所有未知元素的信道响应矩阵是估计最小二乘法（Full-rank）。 从残差估计干涉协方差矩阵。 在每个新符号处计算干涉协方差矩阵的相关性并与阈值进行比较。 如果干扰明显改变，则干扰协方差矩阵被重新初始化，否则干扰协方差矩阵的运行平均值用实际值更新。 更新/重新初始化的干扰协方差矩阵和发送的导频序列的自相关矩阵（存储在接收机中）用于在提交到等级降低的模态滤波之前对估计的信道矩阵进行增白。 原始空间和/或时间相关性通过逆白化被重新引入到降级信道矩阵中。 经离散时域估计后，用于转换的DFT用于整个频带的估计。