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71. 发明专利

JP2005168277A Digital low dropout regulator 有权
标题翻译：数字低压差型稳压器
公开(公告)号：JP2005168277A
公开(公告)日：2005-06-23
申请号：JP2004242998
申请日：2004-08-23
申请人： Marvell World Trade Ltd , マーベルワールドトレードリミテッド
发明人： SUTARDJA SEHAT
IPC分类号： H02M3/155 , H02M3/00 , H02M3/157 , H02M3/158
CPC分类号： H02M3/1584 , H02M3/157 , H02M2001/0012
摘要： PROBLEM TO BE SOLVED: To generate an output voltage to an output from the input voltage of an input power source in a low dropout (LDO) regulator. SOLUTION: In a digital low dropout regulator, the LDO regulator has a switch module to generate the output voltage. The switch module has at least two switches connected in parallel to regulate the flow of energy from the input power source to the output in response to the corresponding switch control signal. Each of the switches has an on-stage and an off-state. A digital controller detects the output voltage, and responsibly generates the switch control signal such that the output voltage is regulated to a predetermined amplitude. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：在低压差（LDO）调节器中，根据输入电源的输入电压产生输出电压。
解决方案：在数字低压差稳压器中，LDO稳压器有一个开关模块来产生输出电压。开关模块具有并联连接的至少两个开关，以响应于相应的开关控制信号来调节从输入电源到输出端的能量流。每个开关都有一个开启状态和关闭状态。数字控制器检测输出电压，并且负责地产生开关控制信号，使得输出电压被调节到预定的幅度。版权所有（C）2005，JPO＆NCIPI

72. 发明专利

JP2005143077A Class-d amplifier 有权
标题翻译： CLASS-D放大器
公开(公告)号：JP2005143077A
公开(公告)日：2005-06-02
申请号：JP2004231068
申请日：2004-08-06
申请人： Marvell World Trade Ltd , マーベルワールドトレードリミテッド
发明人： SUTARDJA SEHAT
IPC分类号： H03F3/217
CPC分类号： H03F3/2173 , H03F3/217 , H03F2200/421 , H03F2200/78
摘要： PROBLEM TO BE SOLVED: To provide a class-D amplifier including a non-linear output stage that does not require a great bias current used to a linear amplifier since the linear amplifier consumes a comparatively large amount of power and is not suited to a mobile audio system application.
SOLUTION: A class-D amplifier receives an input signal and includes a ramp generator that generates a ramp signal and an inverted ramp signal. A signal generator generates a first signal when the ramp signal or the inverted ramp signal transitions from to the one less than the input signal to the one greater than the input signal.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：为了提供一种D类放大器，其包括不需要用于线性放大器的大偏置电流的非线性输出级，因为线性放大器消耗相当大的功率并且不适合移动音频系统应用程序。解决方案：D类放大器接收输入信号，并包括产生斜坡信号和反相斜坡信号的斜坡发生器。当斜坡信号或反相斜坡信号从小于输入信号的一个转换到大于输入信号的信号时，信号发生器产生第一信号。版权所有（C）2005，JPO＆NCIPI

73. 发明专利

JP2004336986A System and method for preemptively controlling power supply device 有权
公开(公告)号：JP2004336986A
公开(公告)日：2004-11-25
申请号：JP2004099561
申请日：2004-03-30
申请人： Marvell World Trade Ltd , マーベルワールドトレードリミテッド
发明人： HE RUNSHENG , SUTARDJA SEHAT
IPC分类号： G06F1/26 , G05F5/00 , H02M3/155
CPC分类号： G05F5/00 , H02M2001/0019
摘要： PROBLEM TO BE SOLVED: To provide a control system that controls a power supply device having operating functions. SOLUTION: The power supply device supplies an output current to an integrated circuit provided with at least one circuit block that is controllable by an enable signal or a clock signal. Its receiving portion receives the enable signal. In order that the power supply device preemptively varies the output current, its control portion determines the loading state of at least one circuit block as a function of the enable signal or the clock signal. Then, the control portion controls the output current of the power supply device as a function of the loading state of at least one circuit block. COPYRIGHT: (C)2005,JPO&NCIPI

74. 发明专利

JP2017078847A 残留ノイズの抑制审中-公开
公开(公告)号：JP2017078847A
公开(公告)日：2017-04-27
申请号：JP2016174112
申请日：2016-09-06
申请人：マーベルワールドトレードリミテッド , Marvell World Trade Ltd , マーベルワールドトレードリミテッド
发明人： SUNGYUB DANIEL YOO , XIE JIN , KAPIL JAIN
IPC分类号： G10L21/0332 , G10L25/84
CPC分类号： G10L25/84 , G10L21/0208 , G10L21/034 , G10L2025/783
摘要：【課題】入力音声信号からいくらかのノイズを除去することにより前処理済音声信号を決定する段階を含む方法を提供する。【解決手段】スピーチを含む、前処理済音声信号の複数の部分は、残留ノイズを含む、前処理済音声信号の複数の部分と分離される。残留ノイズを含む複数の部分にわたって前処理済音声信号を抑制することにより増幅信号を決定し、スピーチを含む複数の部分にわたって前処理済音声信号を維持する段階を含む。【選択図】図1A

75. 发明专利

JP2014017837A Channel sounding and estimation method for antenna selection of multi-input/output system 有权
标题翻译：用于天线选择多输入/输出系统的通道声音和估计方法
公开(公告)号：JP2014017837A
公开(公告)日：2014-01-30
申请号：JP2013176706
申请日：2013-08-28
申请人： Marvell World Trade Ltd , マーベルワールドトレードリミテッド
发明人： ZHANG HONGYUAN , NABAR ROHIT U , PETER LOC
IPC分类号： H04J99/00 , H04B7/04 , H04J1/00 , H04J11/00
CPC分类号： H04B7/0426 , H04B7/0417 , H04B7/0443 , H04B7/0447 , H04B7/0632 , H04B7/0691 , H04B7/0817 , H04B7/0874 , H04L25/0202 , H04L25/0226 , H04L25/0228 , H04L27/2647 , H04W52/42
摘要： PROBLEM TO BE SOLVED: To provide an effective training procedure for antenna selection of a MIMO system.SOLUTION: A method includes receiving a plurality of successive sounding packets for sounding channels of full size for a MIMO system together. Then sub-channel estimations for respective sounding packets is determined based upon various elements such as a known output level rule and a gain rate. A plurality of scaling coefficients are applied to the respective subchannel estimations to generate scaled subchannel estimations. A full size MIMO channel estimation is generated in a collecting manner, based on the plurality of scaling coefficients, to select an antenna.
摘要翻译：要解决的问题：为MIMO系统的天线选择提供有效的训练程序。解决方案：一种方法包括：接收多个用于MIMO系统的全尺寸信道的连续的探测分组。然后，基于诸如已知输出电平规则和增益率的各种元素来确定各个探测分组的子信道估计。将多个缩放系数应用于各个子信道估计以产生缩放的子信道估计。基于多个缩放系数以收集方式生成全尺寸MIMO信道估计，以选择天线。

76. 发明专利

JP2013229909A Antenna selection and training using spatial spreading matrix for use in wireless mimo communication system 审中-公开
标题翻译：使用空间扩展矩阵进行天线选择和训练，用于无线MIMO通信系统
公开(公告)号：JP2013229909A
公开(公告)日：2013-11-07
申请号：JP2013128850
申请日：2013-06-19
申请人： Marvell World Trade Ltd , マーベルワールドトレードリミテッド
发明人： ZHANG HONGYUAN , ROHIT U NABAR
IPC分类号： H04J99/00 , H04B7/04
CPC分类号： H04B7/0417 , H04B7/0626 , H04B7/0639 , H04B7/0691 , H04B7/0874 , H04L1/0054 , H04L1/0071 , H04L1/06
摘要： PROBLEM TO BE SOLVED: To provide a wireless communication system and a method, which use a spatial spreading matrix to distribute the encoded spatial data streams to a plurality of transmit chains.SOLUTION: The spatial spreading matrix is designed such that a receiver is able to know and utilize the spatial spreading matrix for computing transmission antenna selection, receiver antenna selection and joint transmission/receiving antenna selection. The use of this spatial spreading matrix for antenna selection computation provides increased accuracy in antenna selection for transmission of spatial data streams, where the number of spatial data streams is less than the number of transmit or receive chains between the transmitter and receiver, and the number of transmit or receive chains is less than the corresponding transmission or receiving antennas.
摘要翻译：要解决的问题：提供一种使用空间扩展矩阵将编码的空间数据流分配到多个发射链的无线通信系统和方法。解决方案：空间扩展矩阵被设计成使得接收机能够知道和利用空间扩展矩阵来计算发射天线选择，接收机天线选择和联合发射/接收天线选择。用于天线选择计算的这种空间扩展矩阵的使用在空间数据流的传输的天线选择中提供了更高的精度，其中空间数据流的数量小于发射机和接收机之间的发射或接收链的数量，的发射或接收链小于相应的发射或接收天线。

77. 发明专利

JP2013176050A Efficient and flexible transmit beamforming sector sweep in multi-antenna communication device 有权
标题翻译：多天线通信设备中的高效和灵活的发射波束扫描
公开(公告)号：JP2013176050A
公开(公告)日：2013-09-05
申请号：JP2013035685
申请日：2013-02-26
申请人： Marvell World Trade Ltd , マーベルワールドトレードリミテッド
发明人： LIU YONG , ZHANG HONGYUAN , WU SONGPING
IPC分类号： H04B7/10 , H04J99/00 , H04W84/10 , H04W88/02
CPC分类号： H04B7/04 , H04B7/0617 , H04B7/0632 , H04L43/0847 , H04W16/28 , H04W84/02
摘要： PROBLEM TO BE SOLVED: To provide methods and apparatus for removing redundancy of beamforming training transmissions and/or reducing delays caused by beamforming training.SOLUTION: Each beacon data unit in a plurality of beacon data units includes an indication that the beacon data unit can be used for transmit beamforming training. When a first beamforming training transmission corrupted by a collision is received, a first station to which the first beamforming training transmission corresponds is determined based on the first beamforming training transmission corrupted by the collision. In response to determining the first station, a signal is transmitted to the first station to prompt the first station to transmit a second beamforming training transmission.
摘要翻译：要解决的问题：提供用于去除波束成形训练传输的冗余和/或减少由波束成形训练引起的延迟的方法和装置。解决方案：多个信标数据单元中的每个信标数据单元包括信标数据单元可以是用于传输波束成形训练。当接收到由冲突破坏的第一波束形成训练发射时，基于由冲突损坏的第一波束形成训练发射来确定第一波束形成训练传输对应的第一站。响应于确定第一站，将信号发送到第一站，以提示第一站发送第二波束形成训练传输。

78. 发明专利

JP2013093864A Physical layer data unit format 有权
标题翻译：物理层数据单元格式
公开(公告)号：JP2013093864A
公开(公告)日：2013-05-16
申请号：JP2012267625
申请日：2012-12-06
申请人： Marvell World Trade Ltd , マーベルワールドトレードリミテッド
发明人： ZHANG HONGYUAN , NAVER ROHIT U , SHEN MANYUAN , WU SONGPING , RO HUI-LING , LIU YONG
IPC分类号： H04B7/10 , H04J11/00 , H04J99/00
CPC分类号： H04W16/28 , H04L25/03343 , H04L27/2613 , H04L2025/03426 , H04L2025/03789 , H04L2025/03815
摘要： PROBLEM TO BE SOLVED: To provide an information format for exchanging information via a communication channel.SOLUTION: In a wireless communication system in which communication devices exchange information utilizing data units that conform to a first format, a beamforming training (BFT) data unit that conforms to a second format is transmitted. A length of the BFT data unit is shorter than lengths supported by the first format. The BFT data unit is for transmitting PHY beamforming training information. Information indicating that the BFT data unit conforms to the second format is transmitted to a receiving device. The BFT data unit including a plurality of BFT information elements is generated according to the second format. The BFT data unit is then transmitted to the receiving device.
摘要翻译：要解决的问题：提供通过通信信道交换信息的信息格式。解决方案：在通信设备利用符合第一格式的数据单元交换信息的无线通信系统中，发送符合第二格式的波束形成训练（BFT）数据单元。 BFT数据单元的长度比由第一格式支持的长度短。 BFT数据单元用于发送PHY波束形成训练信息。指示BFT数据单元符合第二格式的信息被发送到接收设备。根据第二格式生成包括多个BFT信息元素的BFT数据单元。然后将BFT数据单元发送到接收设备。版权所有（C）2013，JPO＆INPIT

79. 发明专利

JP2012191627A Network device for implementing multiple access points and multiple client stations 有权
标题翻译：用于实施多个访问点和多个客户站的网络设备
公开(公告)号：JP2012191627A
公开(公告)日：2012-10-04
申请号：JP2012097600
申请日：2012-04-23
申请人： Marvell World Trade Ltd , マーベルワールドトレードリミテッド
发明人： HO KEN KINWAH , TAM TRAN , CHUNG CHIA-CHUN , TIMOTHY J DONOVAN , SONALI BAGCHI
IPC分类号： H04W88/08 , H04W8/26 , H04W84/12 , H04W88/12
CPC分类号： H04W88/08 , H04W8/26 , H04W88/12
摘要： PROBLEM TO BE SOLVED: To provide a network device for simultaneously implementing multiple access points and multiple client stations.SOLUTION: A wireless network device includes N access point (AP) modules having N BSSIDs, where N is an integer greater than 1. The wireless network device includes a control module that communicates with the N AP modules. The control module stores the N BSSIDs, a BSSID of an (N+1)th external AP that communicates with M client stations, and at least one MAC address of at least one of the M client stations, where M is an integer greater than or equal to 1. The control module communicates with the (N+1)th external AP by emulating at least one of the M client stations.
摘要翻译：要解决的问题：提供用于同时实现多个接入点和多个客户站的网络设备。解决方案：无线网络设备包括具有N个BSSID的N个接入点（AP）模块，其中N是大于1的整数。无线网络设备包括与N个AP模块进行通信的控制模块。控制模块存储N个BSSID，与M个客户站通信的第（N + 1）个外部AP的BSSID，以及M个客户站中的至少一个的至少一个MAC地址，其中M是大于或等于1.控制模块通过模拟M个客户站中的至少一个与第（N + 1）个外部AP通信。版权所有（C）2013，JPO＆INPIT

80. 发明专利

JP2012039642A Two-way remote control 有权
标题翻译：两路远程控制
公开(公告)号：JP2012039642A
公开(公告)日：2012-02-23
申请号：JP2011209527
申请日：2011-09-26
申请人： Marvell World Trade Ltd , マーベルワールドトレードリミテッド
发明人： SEHAT STARJA
IPC分类号： H04Q9/00 , H04M11/00 , H04N5/44
CPC分类号： G08C17/02 , G08C2201/30
摘要： PROBLEM TO BE SOLVED: To provide a two-way remote control system such that all functions of a target device may be supported by the particular universal remote control device.SOLUTION: A target device 10 includes: a network interface 32 that transmits configuration information to a two-way remote control device 20 and receives commands based on the configuration information from the two-way remote control device 20; a control module 24 that receives the commands and controls the target device 10 according to the commands; and an input part 28 that locally adjusts operation of the target device 10. The two-way remote control device 20 comprises: a network interface 42 that receives configuration information from a target device 10 to be controlled by the two-way remote control device and transmits commands to the target device 10; an input part 38 that generates user commands based on user inputs; and a control module 34 that receives the user commands and transmits commands via the network interface 42.
摘要翻译：要解决的问题：提供双向遥控系统，使得目标设备的所有功能可以由特定通用遥控设备支持。目标设备10包括：网络接口32，其将配置信息发送到双向遥控设备20，并且基于来自双向遥控设备20的配置信息接收命令; 根据命令接收命令并控制目标设备10的控制模块24; 以及本地调整目标设备10的操作的输入部分28.双向遥控设备20包括：网络接口42，其从目标设备10接收要由双向遥控设备控制的配置信息;以及向目标设备10发送命令; 基于用户输入生成用户命令的输入部38; 以及控制模块34，其接收用户命令并通过网络接口42发送命令。版权所有：（C）2012，JPO＆INPIT

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