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公开(公告)号：US07206352B2
公开(公告)日：2007-04-17
申请号：US10078933
申请日：2002-02-19
CPC分类号： H04L1/007 , H04L1/0059 , H04N19/89 , H04N21/2383 , H04N21/4382 , H04N21/631
摘要： This disclosure describes a flexible digital transmission system that improves upon the ATSC A/53 HDTV signal transmission standard. The system includes a digital television signal transmitter for generating a first Advanced Television Systems Committee (ATSC) standard 8-VSB bit stream and, for generating an encoded new bit stream capable of transmitting high priority information bits, wherein symbols of the new bit stream are capable of being transmitted according to a transmission mode selected from group comprising: a 2-VSB mode, a 4-VSB mode, and a hierarchical-VSB (H-VSB) transmission mode. Each respective 2-VSB, 4-VSB, and H-VSB mode is characterized as having symbols mapped according to possible symbol values from an alphabet comprising respectively, {−7, −5, 5, 7}, {7, 3, −3, −7}, and {7, 5, 3, −3, −5, −7}. The standard 8-VSB bit stream and new bit stream may be simultaneously transmitted over a terrestrial channel according to a broadcaster defined bit-rate ratio.
摘要翻译： 本公开描述了一种改进了ATSC A / 53 HDTV信号传输标准的灵活数字传输系统。 该系统包括用于产生第一高级电视系统委员会（ATSC）标准8-VSB比特流的数字电视信号发射机，用于产生能够发送高优先级信息比特的编码新比特流，其中新比特流的符号是 能够根据从包括2-VSB模式，4-VSB模式和分级VSB（H-VSB）传输模式的组中选择的传输模式进行传输。 每个相应的2-VSB，4-VSB和H-VSB模式的特征在于具有根据分别由{-7,5 -5,7}，{7,3，...， 3，-7}和{7，5，3，-3，-5，-7}。 标准8-VSB比特流和新比特流可以根据广播器定义的比特率比率通过地面信道同时发送。
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2.发明授权Signaling method and apparatus to enable multiple antenna communications in wireless systems 有权用于在无线系统中实现多天线通信的信令方法和装置公开(公告)号：US08773994B2
公开(公告)日：2014-07-08
申请号：US13263136
申请日：2010-03-24
申请人： Monisha Ghosh , Vasanth R. Gaddam
发明人： Monisha Ghosh , Vasanth R. Gaddam
IPC分类号： G01R31/08
CPC分类号： H04L1/0025 , H04B7/0613 , H04L7/042
摘要： A method (200) for signaling a transmission mode in a wireless communication networks comprises selecting a signature sequence corresponding to the transmission mode of a transmitting device (S210); forming, for each antenna in the transmitting device, a synchronization field based on the selected signature sequence, wherein the synchronization field is included in a preamble (S220); and transmitting, from each antenna in the transmitting device, the data frame that comprises the preamble.
摘要翻译： 一种用于在无线通信网络中发送传输模式的信令的方法（200）包括：选择与传输设备的传输模式对应的签名序列（S210）; 针对所述发送装置中的每个天线形成基于所选择的签名序列的同步字段，其中所述同步字段包括在前导码中（S220）; 并且从发送装置中的每个天线发送包括前导码的数据帧。
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公开(公告)号：US20100067428A1
公开(公告)日：2010-03-18
申请号：US12377642
申请日：2007-07-12
IPC分类号： H04B7/14
摘要： A system includes a first primary wireless system (120) that communicates over a first range, and a first beaconing device (130) associated with the first primary wireless system (120). The first beaconing device (130) communicates over at least at a second range, wherein the second range is greater than the first range. The first beaconing device listens for beacons (510) from other beaconing devices (130) associated with other primary wireless systems (120) on a plurality of channels over which the other primary systems may operate. After listening for beacons from the other beaconing devices (130) associated with other primary wireless systems, the first beaconing device transmits a first beacon (510) to a wireless device (114) of a secondary wireless system (110) that may communicate over the second range. The first beacon includes data indicating an occupation of a first one of the channels by the first primary wireless system (120).
摘要翻译： 系统包括在第一范围上通信的第一主要无线系统（120）和与第一主要无线系统（120）相关联的第一信标设备（130）。 第一信标装置（130）至少在第二范围进行通信，其中第二范围大于第一范围。 第一信标设备从其他主要系统可以在其上操作的多个信道上侦听与其他主要无线系统（120）相关联的其他信标设备（130）的信标（510）。 在从与其他主要无线系统相关联的其他信标设备（130）收听信标之后，第一信标设备向第二无线系统（110）的无线设备（114）发送第一信标（510），第二信标可以通过 第二范围。 第一信标包括指示由第一主无线系统（120）占用第一信道的数据。
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4.发明授权Radio sensor for detecting wireless microphone signals and a method thereof 有权用于检测无线麦克风信号的无线电传感器及其方法公开(公告)号：US08233862B2
公开(公告)日：2012-07-31
申请号：US12865478
申请日：2009-02-16
申请人： Vasanth R. Gaddam , Monisha Ghosh
发明人： Vasanth R. Gaddam , Monisha Ghosh
IPC分类号： H04B1/18
CPC分类号： H04L27/00
摘要： Wireless microphone signals are detected by processing an input signal to determine a number of frequency bins within a channel frequency band having an energy level above a first predefined threshold (S510); identifying locations of the frequency bins having an energy level above the first predefined threshold, when the number of bins is greater than zero (S520, S530); for each frequency bin having an energy level above the first predefined threshold, processing signals within a narrow frequency band of the frequency bin (S570); determining a number of signal peaks within the narrow frequency band that are above a second predefined threshold (S575); and generating a message indicating a presence or an absence of a microphone signal based on the number of signal peaks (S590, S595).
摘要翻译： 通过处理输入信号来检测无线麦克风信号，以确定具有高于第一预定义阈值的能量水平的信道频带内的频率仓的数量（S510）; 当所述箱数大于零时，识别具有高于所述第一预定阈值的能级的频率仓的位置（S520，S530）; 对于具有高于第一预定阈值的能级的每个频率仓，处理频率仓的窄频带内的处理信号（S570）; 确定在所述窄频带内的高于第二预定义阈值的信号峰值的数量（S575）; 以及基于信号峰值的数量产生指示麦克风信号的存在或不存在的消息（S590，S595）。
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5.发明申请SIGNALING METHOD AND APPARATUS TO ENABLE MULTIPLE ANTENNA COMMUNICATIONS IN WIRELESS SYSTEMS 有权在无线系统中启用多个天线通信的信号方法和装置公开(公告)号：US20120039321A1
公开(公告)日：2012-02-16
申请号：US13263136
申请日：2010-03-24
申请人： Monisha Ghosh , Vasanth R. Gaddam
发明人： Monisha Ghosh , Vasanth R. Gaddam
CPC分类号： H04L1/0025 , H04B7/0613 , H04L7/042
摘要： A method (200) for signaling a transmission mode in a wireless communication networks comprises selecting a signature sequence corresponding to the transmission mode of a transmitting device (S210); forming, for each antenna in the transmitting device, a synchronization field based on the selected signature sequence, wherein the synchronization field is included in a preamble (S220); and transmitting, from each antenna in the transmitting device, the data frame that comprises the preamble.
摘要翻译： 一种用于在无线通信网络中发送传输模式的信令的方法（200）包括：选择与传输设备的传输模式对应的签名序列（S210）; 针对所述发送装置中的每个天线形成基于所选择的签名序列的同步字段，其中所述同步字段包括在前导码中（S220）; 并且从发送装置中的每个天线发送包括前导码的数据帧。
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6.发明申请RADIO SENSOR FOR DETECTING WIRELESS MICROPHONE SIGNALS AND A METHOD THEREOF 有权用于检测无线麦克风信号的无线电传感器及其方法公开(公告)号：US20100311341A1
公开(公告)日：2010-12-09
申请号：US12865478
申请日：2009-02-16
申请人： Vasanth R. Gaddam , Monisha Ghosh
发明人： Vasanth R. Gaddam , Monisha Ghosh
IPC分类号： H04B1/00
CPC分类号： H04L27/00
摘要： Wireless microphone signals are detected by processing an input signal to determine a number of frequency bins within a channel frequency band having an energy level above a first predefined threshold (S510); identifying locations of the frequency bins having an energy level above the first predefined threshold, when the number of bins is greater than zero (S520, S530); for each frequency bin having an energy level above the first predefined threshold, processing signals within a narrow frequency band of the frequency bin (S570); determining a number of signal peaks within the narrow frequency band that are above a second predefined threshold (S575); and generating a message indicating a presence or an absence of a microphone signal based on the number of signal peaks (S590, S595).
摘要翻译： 通过处理输入信号来检测无线麦克风信号，以确定具有高于第一预定义阈值的能量水平的信道频带内的频率仓的数量（S510）; 当所述箱数大于零时，识别具有高于所述第一预定阈值的能级的频率仓的位置（S520，S530）; 对于具有高于第一预定阈值的能级的每个频率仓，处理频率仓的窄频带内的处理信号（S570）; 确定在所述窄频带内的高于第二预定义阈值的信号峰值的数量（S575）; 以及基于信号峰值的数量产生指示麦克风信号的存在或不存在的消息（S590，S595）。
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公开(公告)号：US08432854B2
公开(公告)日：2013-04-30
申请号：US12377642
申请日：2007-07-12
IPC分类号： H04W4/00
摘要： A system includes a first primary wireless system (120) that communicates over a first range, and a first beaconing device (130) associated with the first primary wireless system (120). The first beaconing device (130) communicates over at least at a second range, wherein the second range is greater than the first range. The first beaconing device listens for beacons (510) from other beaconing devices (130) associated with other primary wireless systems (120) on a plurality of channels over which the other primary systems may operate. After listening for beacons from the other beaconing devices (130) associated with other primary wireless systems, the first beaconing device transmits a first beacon (510) to a wireless device (114) of a secondary wireless system (110) that may communicate over the second range. The first beacon includes data indicating an occupation of a first one of the channels by the first primary wireless system (120).
摘要翻译： 系统包括在第一范围上通信的第一主要无线系统（120）和与第一主要无线系统（120）相关联的第一信标设备（130）。 第一信标装置（130）至少在第二范围进行通信，其中第二范围大于第一范围。 第一信标设备从其他主要系统可以在其上操作的多个信道上侦听与其他主要无线系统（120）相关联的其他信标设备（130）的信标（510）。 在从与其他主要无线系统相关联的其他信标设备（130）收听信标之后，第一信标设备向第二无线系统（110）的无线设备（114）发送第一信标（510），第二信标可以通过 第二范围。 第一信标包括指示由第一主无线系统（120）占用第一信道的数据。
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8.发明申请METHODS AND SYSTEMS FOR EXTENDING RANGE AND ADJUSTING BANDWIDTH FOR WIRELESS NETWORKS 有权用于无线网络扩展范围和调整带宽的方法和系统公开(公告)号：US20100203911A1
公开(公告)日：2010-08-12
申请号：US12280223
申请日：2007-02-20
CPC分类号： H04W72/0453 , H04W16/28 , H04W80/00 , H04W88/08
摘要： A Communications base-station configured to operate as a hub in a wireless network and provide communication services to a set of remote customer devices using a wireless protocol is disclosed. The communications base-station includes an antenna array having a plurality of antennae arranged in a fashion as to enable the antenna array to transmit and receive wireless signals in both a substantially omnidirectional and non-omnidirectional pattern, a physical layer (PHY) device coupled to the antenna array and configured to transmit and receive wireless signals and a media access control (MAC) device coupled to the PHY device and configured to direct the antenna array to concurrently provide beamformed wireless signals to a first customer device and omnidirectional wireless signals to second customer device.
摘要翻译： 公开了一种被配置为作为无线网络中的集线器并且使用无线协议向一组远程客户设备提供通信服务的通信基站。 通信基站包括具有多个天线的天线阵列，天线阵列以能够使天线阵列在基本上全向和非全向模式中发射和接收无线信号的方式布置，物理层（PHY）设备耦合到 所述天线阵列并且被配置为发送和接收无线信号，以及媒体访问控制（MAC）设备，其耦合到所述PHY设备并被配置为引导所述天线阵列同时向第一客户设备提供波束形成的无线信号以及向所述第二客户提供全向无线信号 设备。
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9.发明授权Methods and systems for extending range and adjusting bandwidth for wireless networks 有权用于扩展无线网络范围和调整带宽的方法和系统公开(公告)号：US09014638B2
公开(公告)日：2015-04-21
申请号：US12280223
申请日：2007-02-20
CPC分类号： H04W72/0453 , H04W16/28 , H04W80/00 , H04W88/08
摘要： A Communications base-station configured to operate as a hub in a wireless network and provide communication services to a set of remote customer devices using a wireless protocol is disclosed. The communications base-station includes an antenna array having a plurality of antennae arranged in a fashion as to enable the antenna array to transmit and receive wireless signals in both a substantially omnidirectional and non-omnidirectional pattern, a physical layer (PHY) device coupled to the antenna array and configured to transmit and receive wireless signals and a media access control (MAC) device coupled to the PHY device and configured to direct the antenna array to concurrently provide beamformed wireless signals to a first customer device and omnidirectional wireless signals to second customer device.
摘要翻译： 公开了一种通信基站，被配置为作为无线网络中的集线器并且使用无线协议向一组远程客户设备提供通信服务。 通信基站包括具有多个天线的天线阵列，天线阵列以能够使天线阵列在基本上全向和非全向模式中发射和接收无线信号的方式布置，物理层（PHY）设备耦合到 所述天线阵列并且被配置为发送和接收无线信号，以及媒体访问控制（MAC）设备，其耦合到所述PHY设备并被配置为引导所述天线阵列同时向第一客户设备提供波束形成的无线信号以及向所述第二客户提供全向无线信号 设备。
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10.发明授权Method of packet retransmission and reception and wireless device employing the same 有权分组重传和接收方法以及采用该方法的无线设备公开(公告)号：US09397779B2
公开(公告)日：2016-07-19
申请号：US12812640
申请日：2009-01-23
申请人： Vasanth Gaddam , Monisha Ghosh , Jianfeng Wang
发明人： Vasanth Gaddam , Monisha Ghosh , Jianfeng Wang
CPC分类号： H04L1/0001 , H04L1/0071 , H04L1/1867 , H04L5/0007 , H04L5/0044
摘要： A first wireless device communicates data to a second wireless device. The first wireless device employs at least one of a first interleaving scheme and a first sub-carrier mapping scheme to produce a first data packet from a first plurality of data bits, and transmits the first data packet to the second wireless device. When the first data packet is not received correctly by the second wireless device, then the first wireless device employs at least one of a second interleaving scheme and a second sub-carrier mapping scheme to create a second data packet from the first plurality of data bits, and transmits the second data packet to the second wireless device.
摘要翻译： 第一无线设备将数据传送到第二无线设备。 第一无线设备采用第一交织方案和第一子载波映射方案中的至少一个从第一多个数据比特产生第一数据分组，并将第一数据分组发送到第二无线设备。 当第二无线设备未正确接收到第一数据分组时，第一无线设备采用第二交织方案和第二子载波映射方案中的至少一个从第一多个数据比特中产生第二数据分组 ，并将第二数据分组发送到第二无线设备。
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