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公开(公告)号：US20100278117A1
公开(公告)日：2010-11-04
申请号：US12433392
申请日：2009-04-30
申请人： Puneet Sharma , Sung-Ju Lee , Jeongkeun Lee
发明人： Puneet Sharma , Sung-Ju Lee , Jeongkeun Lee
IPC分类号： H04W4/00
摘要： A channel management system in a wireless network includes a master radio and a surrogate radio. The master radio performs data communication with one or more clients on a first channel in the wireless network, and the surrogate radio simultaneously scans other channels in the wireless network. A channel manager determines if a channel switch is needed, and the data communication is switched to a second channel based on the scanning of the other channels.
摘要翻译： 无线网络中的信道管理系统包括主无线电和代理无线电。 主无线电与无线网络中的第一信道上的一个或多个客户端执行数据通信，并且代理无线电同时扫描无线网络中的其他信道。 信道管理器确定是否需要信道切换，并且基于其他信道的扫描将数据通信切换到第二信道。
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公开(公告)号：US09072018B2
公开(公告)日：2015-06-30
申请号：US12433392
申请日：2009-04-30
申请人： Puneet Sharma , Sung-Ju Lee , Jeongkeun Lee
发明人： Puneet Sharma , Sung-Ju Lee , Jeongkeun Lee
摘要： A channel management system in a wireless network includes a master radio and a surrogate radio. The master radio performs data communication with one or more clients on a first channel in the wireless network, and the surrogate radio simultaneously scans other channels in the wireless network. A channel manager determines if a channel switch is needed, and the data communication is switched to a second channel based on the scanning of the other channels.
摘要翻译： 无线网络中的信道管理系统包括主无线电和代理无线电。 主无线电与无线网络中的第一信道上的一个或多个客户端执行数据通信，并且代理无线电同时扫描无线网络中的其他信道。 信道管理器确定是否需要信道切换，并且基于其他信道的扫描将数据通信切换到第二信道。
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3.发明申请公开(公告)号：US20100278158A1
公开(公告)日：2010-11-04
申请号：US12433644
申请日：2009-04-30
申请人： Sung-Ju Lee , JeongKeun Lee
发明人： Sung-Ju Lee , JeongKeun Lee
IPC分类号： H04W48/20
摘要： Available access points (AP) are searched in a wireless network for information of each channel between a client and each AP and the information includes at least one network performance metric. A list of the available APs and the information are received at the client and the client has at least one interface used for communicating with each AP. A type of a data flow and a corresponding data flow metric for the type of data flow are also determined. An AP is selected to receive the data flow from the list of the available APs based on the information of each channel and the type of the data flow metric, and the data flow is received at the client from the selected AP in the wireless network.
摘要翻译： 在无线网络中搜索可用接入点（AP）以获得客户端和每个AP之间的每个信道的信息，并且该信息包括至少一个网络性能度量。 在客户端接收到可用AP和信息的列表，客户端至少有一个用于与每个AP通信的接口。 还确定了数据流类型和数据流类型的对应数据流量度。 AP被选择为基于每个信道的信息和数据流量度量的类型从可用AP的列表接收数据流，并且在客户端处从无线网络中的所选择的AP接收数据流。
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公开(公告)号：US09509466B2
公开(公告)日：2016-11-29
申请号：US14372564
申请日：2012-04-27
申请人： Thomas Hogan , Jeongkeun Lee , Scott A. Lindsay
发明人： Thomas Hogan , Jeongkeun Lee , Scott A. Lindsay
CPC分类号： H04L5/0044 , H04W16/12 , H04W84/12
摘要： In a network, a first network station (61) communicates with a second network station (65) using a first channel (45) from a plurality of channels. The first channel (45) has a central frequency (46). A third network station (62) communicates using a sub-channel (55) of the first channel (45). The sub-channel overlaps the first channel (45). The sub-channel (55) has a center frequency (56) that varies sufficiently from the center frequency (46) of the first channel (45) so that the first network station (61) and the second network station (65) do not lock onto packets transmitted from the third network station (62). The center frequency (56) of the sub-channel (55) is closer in frequency to the center frequency (46) of the first channel (45) than to a center frequency of any other channel in the plurality of channels.
摘要翻译： 在网络中，第一网络站（61）使用来自多个信道的第一信道（45）与第二网络站（65）进行通信。 第一通道（45）具有中心频率（46）。 第三网络站（62）使用第一通道（45）的子通道（55）进行通信。 子通道与第一通道重叠（45）。 子信道（55）具有从第一信道（45）的中心频率（46）充分变化的中心频率（56），使得第一网络站（61）和第二网络站（65）不 锁定从第三网络站（62）发送的分组。 子信道（55）的中心频率（56）的频率比第一信道（45）的中心频率（46）更接近于多个信道中的任何其它信道的中心频率。
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公开(公告)号：US20150318904A1
公开(公告)日：2015-11-05
申请号：US14391230
申请日：2012-06-29
申请人： Jung Gun Lee , Raul Heman Etkin , Jeongkeun Lee
发明人： Jung Gun Lee , Raul Heman Etkin , Jeongkeun Lee
IPC分类号： H04B7/02
CPC分类号： H04B7/024 , H04B7/0617 , H04B7/0686
摘要： A wireless network with coordinated sectors to mitigate interference. An example of the network includes a plurality of antennas each having a directional gain pattern, at least one antenna located at as first access point and at least one antenna located at a second access point spaced apart from the first access point, at least one antenna at the first access point oriented with maximum gain in a first direction that defines as first sector and at least one antenna at the second access point oriented with maximum gain in a second direction that defines a second sector, and at least one transceiver coupled to the antennas In sequence any antennas oriented in the first sector separately from any antennas oriented in the second sector.
摘要翻译： 具有协调部门以减轻干扰的无线网络。 网络的示例包括多个天线，每个天线各自具有方向增益模式，位于第一接入点的至少一个天线和位于与第一接入点间隔开的第二接入点的至少一个天线，至少一个天线 在所述第一接入点处以定义为第一扇区的第一方向上的最大增益定向，并且所述第二接入点处的至少一个天线定向为限定第二扇区的第二方向上的最大增益，以及耦合到所述第二接入点的至少一个收发器 天线顺序排列在第一扇区中定向的任何天线，与第二扇区中定向的任何天线分开。
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公开(公告)号：US09136894B2
公开(公告)日：2015-09-15
申请号：US13460351
申请日：2012-04-30
CPC分类号： H04B1/38 , H04B1/0003
摘要： A hybrid platform for a software defined radio (SDR) includes a receive/transmit antenna, a radio frequency (RF) frontend, a baseband processor, and a SDR positioned along a signal path that couples the antenna, the RF frontend, and the baseband processor. The SDR includes a transmit processing chain, a receive processing chain, and a FPGA that includes control logic to reduce distortion caused by signal transmission within the SDR.
摘要翻译： 用于软件定义无线电（SDR）的混合平台包括接收/发射天线，射频（RF）前端，基带处理器和沿着耦合天线，RF前端和基带的信号路径定位的SDR 处理器。 SDR包括发送处理链，接收处理链和包括用于减少由SDR内的信号传输引起的失真的控制逻辑的FPGA。
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公开(公告)号：US20100278102A1
公开(公告)日：2010-11-04
申请号：US12433718
申请日：2009-04-30
申请人： Sung-Ju Lee , JeongKeun Lee
发明人： Sung-Ju Lee , JeongKeun Lee
IPC分类号： H04W40/02
CPC分类号： H04W40/02 , H04L45/302 , H04L45/38
摘要： A data flow from a source to a destination is routed in a multi-hop wireless network. Nodes are searched in the multi-hop wireless network for information of route metrics for the nodes, the information of the route metrics are received, a route that has a most optimal route metric for the data flow are determined based on the route metrics and a data flow metric of the data flow, and the data flow are received from the source via the route at the destination in the multi-hop wireless network.
摘要翻译： 从源到目的地的数据流在多跳无线网络中路由。 在多跳无线网络中搜索节点的路由度量的信息，接收路由度量的信息，基于路由度量确定具有数据流最佳路由度量的路由，并且 通过多跳无线网络中的目的地的路由从源接收数据流的数据流量度量和数据流。
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公开(公告)号：US20150139002A1
公开(公告)日：2015-05-21
申请号：US14391838
申请日：2012-07-31
申请人： Jeongkeun Lee , Sung-Ju Lee , Sungro Yoon
发明人： Jeongkeun Lee , Sung-Ju Lee , Sungro Yoon
IPC分类号： H04W24/08
CPC分类号： H04W24/08 , H04L1/0003 , H04L1/0009 , H04L1/0019 , H04L1/0027 , H04L1/203 , H04L25/0222
摘要： In an example, packets transmitted over a communication channel from a transmitter are received. Channel state information (CSI) from the received packets are obtained and signal-to-noise (SNR) values of the communication channel are computed based on the obtained CSI. In addition, effective bit error rate (BER) values are determined based on the SNR values, a coherence time period within which the effective BER values of the communication channel remain within a predetermined range is determined, a modulation and coding scheme (MCS) to be implemented by the transmitter is determined based on the effective BER values within the coherence time period, and the determined MCS is transmitted to the transmitter.
摘要翻译： 在一个示例中，接收通过通信信道从发射机发送的分组。 获得来自接收到的分组的信道状态信息（CSI），并且基于所获得的CSI来计算通信信道的信噪比（SNR）值。 此外，基于SNR值确定有效误码率（BER）值，确定通信信道的有效BER值保持在预定范围内的相干时间段，调制和编码方案（MCS）到 基于相干时间段内的有效BER值确定由发射机实现的，将确定的MCS发送给发射机。
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公开(公告)号：US08943499B2
公开(公告)日：2015-01-27
申请号：US13460836
申请日：2012-04-30
申请人： Yoshio Turner , Jeongkeun Lee , Myung Jin Lee
发明人： Yoshio Turner , Jeongkeun Lee , Myung Jin Lee
IPC分类号： G06F9/455
CPC分类号： H04L41/12
摘要： Topology input is used to identify a set of data flows as between a set of virtual machines (VMs), as well as one or more network services for one or more of the data flows. A determination is made as to a minimal number of network service virtual machines (NSVMs) for use in providing the one or more network services. An arrangement is determined for server resources and network resources of the data center network on which a virtual network topology is provided for the tenant, including the set of VMs and the number of NSVMs.
摘要翻译： 拓扑输入用于识别一组虚拟机（VM）之间的一组数据流，以及一个或多个数据流的一个或多个网络服务。 确定用于提供一个或多个网络服务的最少数量的网络服务虚拟机（NSVM）。 确定针对为租户提供虚拟网络拓扑的数据中心网络的服务器资源和网络资源的安排，包括一组虚拟机和NSVM的数量。
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10.发明授权公开(公告)号：US08493947B2
公开(公告)日：2013-07-23
申请号：US12433644
申请日：2009-04-30
申请人： Sung-Ju Lee , JeongKeun Lee
发明人： Sung-Ju Lee , JeongKeun Lee
IPC分类号： H04W4/00
摘要： Available access points (AP) are searched in a wireless network for information of each channel between a client and each AP and the information includes at least one network performance metric. A list of the available APs and the information are received at the client and the client has at least one interface used for communicating with each AP. A type of a data flow and a corresponding data flow metric for the type of data flow are also determined. An AP is selected to receive the data flow from the list of the available APs based on the information of each channel and the type of the data flow metric, and the data flow is received at the client from the selected AP in the wireless network.
摘要翻译： 在无线网络中搜索可用接入点（AP）以获得客户端和每个AP之间的每个信道的信息，并且该信息包括至少一个网络性能度量。 在客户端接收到可用AP和信息的列表，客户端至少有一个用于与每个AP通信的接口。 还确定了数据流类型和数据流类型的对应数据流量度。 AP被选择为基于每个信道的信息和数据流量度量的类型从可用AP的列表接收数据流，并且在客户端处从无线网络中的所选AP接收数据流。
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