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公开(公告)号：US09294941B1
公开(公告)日：2016-03-22
申请号：US14672283
申请日：2015-03-30
Applicant: MARVELL INTERNATIONAL LTD.
Inventor： Songping Wu , Quan Zhou , Manyuan Shen , Hongyuan Zhang , Hui-Ling Lou
Abstract: Devices, systems, methods, and other embodiments associated with phase based transformation of repeated signals are described. In one embodiment, an apparatus includes duplication logic configured to duplicate a string of data to form a duplicate string of data. Transformation logic is configured to modify phases associated with the string of data to generate a modified string of data. Signal generation logic is configured to generate a signal for wireless transmission where the signal having at least the modified string of data and the duplicate string of data.
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公开(公告)号：US09986521B1
公开(公告)日：2018-05-29
申请号：US15267937
申请日：2016-09-16
Applicant: MARVELL INTERNATIONAL LTD.
Inventor： Chusong Xiao , Qing Zhao , Manyuan Shen , Leilei Song , Hui-Ling Lou
CPC classification number: H04W56/001 , H04J11/0073 , H04J11/0076
Abstract: Systems and methods are provided for detecting a received synchronization signal. The method includes receiving, at a receiver, a signal from a transmitter and the signal includes the received synchronization signal. The method includes processing the received signal and a plurality of candidate synchronization signals to obtain a plurality of correlation signals. Each candidate synchronization signal is associated with one of the plurality of correlation signals. The method includes selecting, based at least in part on the plurality of correlation signals, one of the plurality of candidate synchronization signals. The selected candidate synchronization signal is correlated with the received synchronization signal. The method includes detecting the received synchronization signal based at least in part on (i) the received signal, and (ii) a characteristic obtained from the correlation signal that is associated with the selected candidate synchronization signal.
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3.发明授权Systems and methods for detecting secondary synchronization signals in a wireless communication system 有权用于在无线通信系统中检测次同步信号的系统和方法公开(公告)号：US09065630B1
公开(公告)日：2015-06-23
申请号：US14027894
申请日：2013-09-16
Applicant: Marvell International Ltd.
Inventor： Chusong Xiao , Qing Zhao , Manyuan Shen , Leilei Song , Hui-Ling Lou
CPC classification number: H04L7/042 , H04W56/0085
Abstract: Systems and methods are provided for detecting a received synchronization signal. The method includes receiving, at a receiver, a signal from a transmitter, where one or more portions of the received signal include the received synchronization signal. The method includes processing the one or more portions of the received signal to obtain a differential signal, and processing the differential signal and a plurality of candidate differential synchronization signals to obtain a plurality of cross-correlation signals. Each candidate differential synchronization signal is associated with one cross-correlation signal. The method includes selecting, based at least in part on the plurality of cross-correlation signals, one of the candidate differential synchronization signals, and detecting the received synchronization signal based at least in part on (i) the one or more portions of the received signal, and (ii) a frequency offset value obtained from the cross-correlation signal associated with the selected candidate differential synchronization signal.
Abstract translation: 提供了用于检测所接收的同步信号的系统和方法。 该方法包括在接收机处接收来自发射机的信号，其中接收信号的一个或多个部分包括所接收的同步信号。 该方法包括处理接收信号的一个或多个部分以获得差分信号，以及处理差分信号和多个候选差分同步信号以获得多个互相关信号。 每个候选差分同步信号与一个互相关信号相关联。 该方法至少部分地基于多个互相关信号来选择候选差分同步信号中的一个，并且至少部分地基于（i）所接收的一个或多个部分来检测所接收的同步信号 信号，以及（ii）从与所选候选差分同步信号相关联的互相关信号获得的频率偏移值。
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Patent Agency Ranking
公开(公告)号：US08797212B1
公开(公告)日：2014-08-05
申请号：US13898247
申请日：2013-05-20
Applicant: Marvell International Ltd.
Inventor： Songping Wu , Manyuan Shen , Quan Zhou , Hongyuan Zhang , Hui-Ling Lou
CPC classification number: H04B7/0617 , H01Q3/2605 , H01Q3/40 , H04B7/0417 , H04B7/0634 , H04B7/088
Abstract: A plurality of received signals are received at a first communication device, the plurality of received signals corresponding to at least one training signal having been transmitted by a second communication device a plurality of times via a plurality of antennas by the second communication device applying a respective antenna weight vector from a plurality of different antenna weight vectors each time the at least one training signal is transmitted. The first communication device generates a transmitter antenna weight vector based on a mathematical combination of at least i) the plurality of received signals, ii) the antenna weight vectors applied by the second communication device when transmitting the at least one training signal the plurality of times, and iii) the at least one training signal. The first communication device transmits the transmitter antenna weight vector to the second communication device.
Abstract translation: 多个接收信号在第一通信设备处被接收，所述多个接收信号对应于由第二通信设备多次通过第二通信设备经由多个天线发送的至少一个训练信号，所述第二通信设备应用相应的 每次发送至少一个训练信号时，来自多个不同的天线权重向量的天线权重向量。 第一通信设备基于至少i）多个接收信号的数学组合生成发射机天线权重向量，ii）当第二通信设备在多次发送至少一个训练信号时施加的天线权重向量 ，和iii）所述至少一个训练信号。 第一通信设备向第二通信设备发送发射机天线加权矢量。
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公开(公告)号：US09991941B1
公开(公告)日：2018-06-05
申请号：US14451248
申请日：2014-08-04
Applicant: MARVELL INTERNATIONAL LTD.
Inventor： Songping Wu , Manyuan Shen , Quan Zhou , Hongyuan Zhang , Hui-Ling Lou
IPC: H04B7/06 , H04B7/0417 , H01Q3/40 , H01Q3/26
CPC classification number: H04B7/0617 , H01Q3/2605 , H01Q3/40 , H04B7/0417 , H04B7/0634 , H04B7/088
Abstract: A plurality of received signals are received at a first communication device, the plurality of received signals corresponding to at least one training signal having been transmitted by a second communication device a plurality of times via a plurality of antennas by the second communication device applying a respective antenna weight vector from a plurality of different antenna weight vectors each time the at least one training signal is transmitted. The first communication device generates a transmitter antenna weight vector based on a mathematical combination of at least i) the plurality of received signals, ii) the antenna weight vectors applied by the second communication device when transmitting the at least one training signal the plurality of times, and iii) the at least one training signal. The first communication device transmits the transmitter antenna weight vector to the second communication device.
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6.发明授权Systems and methods for detecting a primary synchronization signal in a wireless communication system 有权用于在无线通信系统中检测主同步信号的系统和方法公开(公告)号：US09451569B1
公开(公告)日：2016-09-20
申请号：US14022739
申请日：2013-09-10
Applicant: Marvell International Ltd.
Inventor： Chusong Xiao , Qing Zhao , Manyuan Shen , Leilei Song , Hui-Ling Lou
CPC classification number: H04W56/001 , H04J11/0073 , H04J11/0076
Abstract: Systems and methods are provided for detecting a received synchronization signal. The method includes receiving, at a receiver, a signal from a transmitter and the signal includes the received synchronization signal. The method includes processing the received signal and a plurality of candidate synchronization signals to obtain a plurality of correlation signals. Each candidate synchronization signal is associated with one of the plurality of correlation signals. The method includes selecting, based at least in part on the plurality of correlation signals, one of the plurality of candidate synchronization signals. The selected candidate synchronization signal is correlated with the received synchronization signal. The method includes detecting the received synchronization signal based at least in part on (i) the received signal, and (ii) a characteristic obtained from the correlation signal that is associated with the selected candidate synchronization signal.
Abstract translation: 提供了用于检测所接收的同步信号的系统和方法。 该方法包括在接收机处接收来自发射机的信号，该信号包括所接收的同步信号。 该方法包括处理接收信号和多个候选同步信号以获得多个相关信号。 每个候选同步信号与多个相关信号之一相关联。 所述方法包括至少部分地基于所述多个相关信号来选择所述多个候选同步信号中的一个。 所选择的候选同步信号与所接收的同步信号相关。 该方法至少部分地基于（i）接收信号检测接收到的同步信号，以及（ii）从与所选候选同步信号相关联的相关信号获得的特性。
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7.发明授权Method and apparatus for adjusting a gain of a receiver in a wireless device 有权用于调整无线设备中的接收机的增益的方法和装置公开(公告)号：US09094843B1
公开(公告)日：2015-07-28
申请号：US14319133
申请日：2014-06-30
Applicant: Marvell International LTD.
Inventor： Vladan Petrovic , Manyuan Shen , Qing Zhao , Leilie Song
CPC classification number: H04W24/00 , G06F17/142 , H03G3/3089 , H04B1/69 , H04B17/21 , H04B17/318 , H04L5/0023 , H04L5/0048 , H04L27/265 , H04L27/3809 , H04W52/04 , H04W52/38 , H04W52/52
Abstract: A system including a first power measuring module, a gain control module, and a signal processing module. The first power measuring module is configured to generate a first power measurement of a signal received by a receiver of a wireless device based on a plurality of reference signals received in the signal by the receiver of the wireless device. Each of the plurality of reference signals is transmitted at a predetermined power. The first power measurement is generated in frequency domain. The first power measurement is generated during a first frame of the signal received by the receiver of the wireless device. The gain control module is configured to adjust a gain of the receiver of the wireless device based on the first power measurement. The signal processing module is configured to process a second frame in the signal subsequent to the first frame at the adjusted gain.
Abstract translation: 一种包括第一功率测量模块，增益控制模块和信号处理模块的系统。 第一功率测量模块被配置为基于由无线设备的接收器在信号中接收的多个参考信号来生成由无线设备的接收机接收的信号的第一功率测量。 以预定的功率发送多个参考信号中的每一个。 在频域中产生第一功率测量。 在由无线设备的接收机接收的信号的第一帧期间产生第一功率测量。 增益控制模块被配置为基于第一功率测量来调整无线设备的接收机的增益。 信号处理模块被配置为处理在调整后的增益的第一帧之后的信号中的第二帧。
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公开(公告)号：US09301269B1
公开(公告)日：2016-03-29
申请号：US14018135
申请日：2013-09-04
Applicant: Marvell International Ltd.
Inventor： Qing Zhao , Chusong Xiao , Manyuan Shen , Hui-Ling Lou , Leilei Song
CPC classification number: H04W56/001 , H04J11/0073 , H04L27/2655 , H04L27/2663 , H04L27/2671 , H04L27/2675
Abstract: The present disclosure describes systems and techniques relating to wireless communications. According to an aspect of the described systems and techniques, an apparatus includes: circuitry configured to receive wireless communication transmissions having periodic synchronization signals transmitted at a fixed interval, wherein the periodic synchronization signals convey information used to establish communication between wireless communication devices; and circuitry configured to acquire the periodic synchronization signals of the wireless communication transmissions by, at least in part, (i) calculating objective function values for hypotheses of parameter sets for a current period, (ii) combining only a portion of the calculated objective function values with stored objective function value data from a prior period to form combined data used in signal acquisition, and (iii) storing the combined data or the portion of the calculated objective function values for use in a next period.
Abstract translation: 本公开描述了与无线通信有关的系统和技术。 根据所描述的系统和技术的一个方面，一种装置包括：被配置为接收具有以固定间隔发送的周期性同步信号的无线通信传输的电路，其中所述周期性同步信号传送用于建立无线通信设备之间的通信的信息; 以及被配置为通过至少部分地（i）计算当前周期的参数集的假设的目标函数值来获取无线通信传输的周期性同步信号的电路，（ii）仅组合所计算的目标函数的一部分 具有来自前一周期的存储的目标函数值数据的值以形成用于信号获取的组合数据，以及（iii）存储组合数据或所计算的目标函数值的部分以用于下一周期。
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