-
公开(公告)号：US09629127B2
公开(公告)日：2017-04-18
申请号：US14702480
申请日：2015-05-01
Applicant: Marvell World Trade Ltd.
Inventor： Liwen Chu , Hongyuan Zhang , Hui-Ling Lou , Lei Wang , Yakun Sun
CPC classification number: H04W72/0406 , H04L5/0007 , H04L5/0023 , H04L5/0039 , H04L5/0078 , H04L5/0089 , H04L5/0094 , H04L27/2602 , H04W56/00 , H04W84/12
Abstract: A respective primary sub-channel block is statically allocated to each of the two or more communication devices in an orthogonal frequency division multiple access (OFDMA) group of communication devices. The respective statically allocated primary sub-channel blocks remain allocated to the second communication devices for transmission of at least two PHY data units. At least some of remaining sub-channel blocks are dynamically allocated among the two or more communication devices for transmission of each of the at least two PHY data units. Indications of the respective sub-channel blocks allocated to the two or more communication devices. A physical layer (PHY) data unit is transmitted to the two or more communication devices or is received from the two or more communication devices. The PHY data unit includes respective orthogonal frequency division multiplexing (OFDM) data units transmitted using respective sub-channel blocks allocated to the two or more communication devices.
-
42.发明申请CONTENTION-BASED ORTHOGONAL FREQUENCY DIVISION MULTIPLE ACCESS (OFDMA) COMMUNICATION 审中-公开基于内容的正交频分多址（OFDMA）通信公开(公告)号：US20170048890A1
公开(公告)日：2017-02-16
申请号：US15337749
申请日：2016-10-28
Applicant: Marvell World Trade Ltd.
Inventor： Yakun Sun , Hongyuan Zhang
Abstract: A communication device receives a trigger frame that is configured to: trigger a contention-based uplink orthogonal frequency multiple access (OFDMA) transmission by multiple communication devices, and indicate a predetermined length of the contention-based uplink OFDMA transmission, wherein the predetermined length corresponds to contention-based uplink OFDMA transmissions. Responsive to receiving the trigger frame, the communication device generates a data unit having the predetermined length, and responsive to receiving the trigger frame, transmits the data unit as part of a contention-based uplink OFDMA transmission.
Abstract translation: 通信设备接收触发帧，该触发帧被配置为：触发由多个通信设备进行的基于竞争的上行链路正交频率多址接入（OFDMA）传输，并且指示基于争用的上行链路OFDMA传输的预定长度，其中所述预定长度对应于 到基于竞争的上行链路OFDMA传输。 响应于接收到触发帧，通信设备生成具有预定长度的数据单元，并且响应于接收到触发帧，作为基于竞争的上行链路OFDMA传输的一部分发送数据单元。
-
43.发明申请公开(公告)号：US20160365942A1
公开(公告)日：2016-12-15
申请号：US15179150
申请日：2016-06-10
Applicant: Marvell World Trade Ltd.
Inventor： Yakun Sun , Hongyuan Zhang , Rui Cao , Sudhir Srinivasa
CPC classification number: H04L1/0008 , H04L1/0009 , H04L1/0041 , H04L1/0057 , H04L5/0007 , H04L27/2602
Abstract: Systems, apparatuses and methods described herein provide a method for padding a signal extension of orthogonal frequency-division multiplexing (OFDM) symbols. A transceiver may obtain. a plurality of data symbols for transmission, and determine that a number of information bits for a last symbol of the plurality of data symbols is not an integer value. A special padding rule may be applied to add padding bits to the last symbol. A number of coded bits for the last symbol may be determined when the number of information bits for the last symbol has changed, and the plurality of data symbols for data transmission may be encoded based on the determined number of coded bits for the last symbol.
Abstract translation: 本文描述的系统，装置和方法提供了一种用于填充正交频分复用（OFDM）符号的信号扩展的方法。 收发器可以获得。 用于发送的多个数据符号，并且确定多个数据符号中的最后一个符号的信息比特数不是整数值。 可以应用特殊的填充规则来将填充位添加到最后一个符号。 当最后一个符号的信息位的数量已经改变时，可以确定用于最后一个符号的多个编码比特，并且可以基于确定的最后一个符号的编码比特数来编码用于数据传输的多个数据符号。
-
公开(公告)号：US20160044557A1
公开(公告)日：2016-02-11
申请号：US14922758
申请日：2015-10-26
Applicant: MARVELL WORLD TRADE LTD.
Inventor： Jihwan P. Choi , Yakun Sun , Ying Cai , Hui-Ling Lou
CPC classification number: H04W36/04 , H04W36/0083 , H04W36/14 , H04W36/32
Abstract: In a wireless network including a first cell and a second cell, it is determined whether a measure of mobility of a user device meets a mobility criterion, and it is determined whether a size of the second cell meets a cell size criterion. When it is determined that (i) the measure of mobility of the user device meets the mobility criterion and (ii) the size of the second cell meets the cell size criterion, the user device is prevented from being switched from the first cell to the second cell, or at least one of (i) a handover parameter or (ii) a cell reselection parameter is adjusted in order to change a probability that the user device will switch from the first cell to the second cell.
Abstract translation: 在包括第一小区和第二小区的无线网络中，确定用户装置的移动性的度量是否满足移动性标准，并且确定第二小区的大小是否满足小区大小标准。 当确定（i）用户设备的移动性的度量符合移动性标准时，（ii）第二小区的大小满足小区大小准则，防止用户设备从第一小区切换到 或者（i）切换参数或（ii）小区重选参数中的至少一个被调整以便改变用户设备将从第一小区切换到第二小区的概率。
-
公开(公告)号：US20150326260A1
公开(公告)日：2015-11-12
申请号：US14804821
申请日：2015-07-21
Applicant: Marvell World Trade Ltd.
Inventor： Yakun Sun , Hui-Ling Lou
CPC classification number: H04B1/10 , H04J11/0056 , H04L5/0057 , H04L27/2613 , H04L27/2647 , H04W56/00 , H04W56/0015 , H04W72/042
Abstract: Systems and methods for mitigating known interference at a receiving device are provided. A signal from a transmission source is received by a receiving device that is affected by an interference source. At least one of a first pilot signal associated with the transmission source and a second pilot signal associated with the interfering source is determined. The first pilot signal includes information broadcast from the transmission source and the second pilot signal includes information broadcast from the interference source. Interference caused by the interference source is mitigated from the received signal using at least one of the first pilot signal and the second pilot signal.
Abstract translation: 提供了用于减轻接收装置处的已知干扰的系统和方法。 来自发送源的信号由受干扰源影响的接收装置接收。 确定与发送源相关联的第一导频信号和与干扰源相关联的第二导频信号中的至少一个。 第一导频信号包括从发送源广播的信息，第二导频信号包括从干扰源广播的信息。 使用第一导频信号和第二导频信号中的至少一个，从接收信号中减轻由干扰源引起的干扰。
-
Patent Agency Ranking
46.发明申请SYSTEMS AND METHODS FOR IMPLEMENTING PROTECTED ACCESS BASED ON A NULL DATA PACKET IN A WIRELESS NETWORK 有权基于无线网络中的空数据包执行受保护访问的系统和方法公开(公告)号：US20150319782A1
公开(公告)日：2015-11-05
申请号：US14697128
申请日：2015-04-27
Applicant: Marvell World Trade LTD.
Inventor： Liwen Chu , Lei Wang , Hongyuan Zhang , Hui-Ling Lou , Yakun Sun
CPC classification number: H04W56/0015 , H04L1/00 , H04W28/18 , H04W56/001 , H04W74/00 , H04W74/08 , H04W88/08
Abstract: An access point including a generation module, a transceiver, and an acknowledgment module. The generation module is configured to generate a synchronization signal. The transceiver is configured to (i) transmit the synchronization signal to a station, (ii) receive a medium access control protocol data unit based on the synchronization signal during a transmit opportunity period for the station. The acknowledgment module is configured to generate an acknowledgment signal based on the reception of the medium access control protocol data unit. The synchronization signal or the acknowledgment signal includes a null data packet frame. The null data packet frame includes a legacy signal field. The legacy signal field comprises a length of a portion of the null data packet frame subsequent to the legacy signal field. The transceiver is configured to transmit the acknowledgment signal to the station.
Abstract translation: 接入点，包括生成模块，收发器和确认模块。 生成模块被配置为生成同步信号。 收发器被配置为（i）将同步信号发送到站，（ii）在站的发送机会期间基于同步信号接收介质访问控制协议数据单元。 确认模块被配置为基于媒体访问控制协议数据单元的接收来产生确认信号。 同步信号或确认信号包括空数据分组帧。 空数据分组帧包括遗留信号字段。 传统信号字段包括传统信号字段之后的零数据分组帧的一部分的长度。 收发器被配置为将确认信号发送到站。
-
公开(公告)号：US09173151B2
公开(公告)日：2015-10-27
申请号：US13961634
申请日：2013-08-07
Applicant: MARVELL WORLD TRADE LTD.
Inventor： Jihwan P. Choi , Yakun Sun , Ying Cai , Hui-Ling Lou
CPC classification number: H04W36/04 , H04W36/0083 , H04W36/14 , H04W36/32
Abstract: In a wireless network including a first cell and a second cell, it is determined whether a measure of mobility of a user device meets a mobility criterion, and it is determined whether a size of the second cell meets a cell size criterion. When it is determined that (i) the measure of mobility of the user device meets the mobility criterion and (ii) the size of the second cell meets the cell size criterion, the user device is prevented from being switched from the first cell to the second cell, or at least one of (i) a handover parameter or (ii) a cell reselection parameter is adjusted in order to change a probability that the user device will switch from the first cell to the second cell.
Abstract translation: 在包括第一小区和第二小区的无线网络中，确定用户装置的移动性的度量是否满足移动性标准，并且确定第二小区的大小是否满足小区大小标准。 当确定（i）用户设备的移动性的度量符合移动性标准时，（ii）第二小区的大小满足小区大小准则，防止用户设备从第一小区切换到 或者（i）切换参数或（ii）小区重选参数中的至少一个被调整以便改变用户设备将从第一小区切换到第二小区的概率。
-
48.发明授权Methods and systems for determining indicators used in channel state information (CSI) feedback in wireless systems 有权用于确定无线系统中信道状态信息（CSI）反馈中使用的指示符的方法和系统公开(公告)号：US09130630B2
公开(公告)日：2015-09-08
申请号：US14310281
申请日：2014-06-20
Applicant: Marvell World Trade Ltd.
Inventor： Mingguang Xu , Yakun Sun , Hui-Ling Lou
CPC classification number: H04B7/0626 , H04B7/0413 , H04B7/0456 , H04B7/0478 , H04B7/0617 , H04B7/063 , H04B7/0632 , H04B7/0639 , H04B7/065 , H04L25/03343 , H04L25/03898 , H04L25/03955
Abstract: Systems and methods are provided for determining channel state information (CSI) at a receiver for feedback to a transmitter to indicate properties of the communication channel. A signal is received at a receiver over a communication channel. An optimization value is determined based on the received signal and a plurality of matrix indicators. An amount of change in wideband properties of the communication channel is determined from the optimization value. Based on the determined amount of change, a CSI including a selected type indicator and a selected subset of the plurality of the matrix indicators is selected.
Abstract translation: 提供系统和方法用于在接收机处确定信道状态信息（CSI）以反馈给发射机以指示通信信道的属性。 通过通信信道在接收机处接收信号。 基于接收信号和多个矩阵指示符来确定优化值。 从优化值确定通信信道的宽带属性的变化量。 基于所确定的改变量，选择包括所选择的类型指示符和所述多个矩阵指示符的选定子集的CSI。
-
公开(公告)号：US09100136B2
公开(公告)日：2015-08-04
申请号：US13668506
申请日：2012-11-05
Applicant: Marvell World Trade Ltd.
Inventor： Yakun Sun , Hui-Ling Lou
CPC classification number: H04B1/10 , H04J11/0056 , H04L5/0057 , H04L27/2613 , H04L27/2647 , H04W56/00 , H04W56/0015 , H04W72/042
Abstract: Systems and methods for mitigating known interference at a receiving device are provided. A signal from a transmission source is received by a receiving device that is affected by an interference source. At least one of a first pilot signal associated with the transmission source and a second pilot signal associated with the interfering source is determined. The first pilot signal includes information broadcast from the transmission source and the second pilot signal includes information broadcast from the interference source. Interference caused by the interference source is mitigated from the received signal using at least one of the first pilot signal and the second pilot signal.
Abstract translation: 提供了用于减轻接收装置处的已知干扰的系统和方法。 来自发送源的信号由受干扰源影响的接收装置接收。 确定与发送源相关联的第一导频信号和与干扰源相关联的第二导频信号中的至少一个。 第一导频信号包括从发送源广播的信息，第二导频信号包括从干扰源广播的信息。 使用第一导频信号和第二导频信号中的至少一个，从接收信号中减轻由干扰源引起的干扰。
-
公开(公告)号：US09054868B2
公开(公告)日：2015-06-09
申请号：US13867487
申请日：2013-04-22
Applicant: MARVELL WORLD TRADE LTD.
Inventor： Yakun Sun , Jungwon Lee
CPC classification number: H04L1/1812 , H04B7/0413 , H04B7/0669 , H04L1/0001 , H04L1/0618 , H04L1/0625 , H04L1/1816 , H04L1/1822 , H04L1/1825 , H04L1/189 , H04L1/1893 , H04L1/1896 , H04L27/2601 , H04L27/2602 , H04L27/2608
Abstract: A method includes mapping, based on a first antenna mapping, a plurality of symbols to a plurality of antennas for transmitting a first data unit to a receiver, mapping, based on a first subcarrier mapping, the plurality of symbols to a plurality of subcarriers for transmitting the first data unit, and determining whether the receiver has successfully received the first data unit. The method also includes, in response to determining that the receiver has not successfully received the first data unit, (i) mapping, based on a second antenna mapping, the plurality of symbols to the plurality of antennas for transmitting a second data unit to the receiver, (ii) mapping, based on a different, second subcarrier mapping, the plurality of symbols to the plurality of subcarriers for transmitting the second data unit, and (iii) causing the second subcarrier mapping to be communicated to the receiver.
Abstract translation: 一种方法包括：基于第一天线映射将多个符号映射到用于向接收机发送第一数据单元的多个天线，基于第一子载波映射将所述多个符号映射到多个子载波，用于 发送第一数据单元，以及确定接收机是否已成功接收到第一数据单元。 该方法还包括响应于确定接收机尚未成功接收到第一数据单元，（i）基于第二天线映射将多个符号映射到多个天线，以将第二数据单元发送到 接收机，（ii）基于不同的第二子载波映射将多个符号映射到用于发送第二数据单元的多个子载波，以及（iii）使第二子载波映射传送到接收机。
-
-
-
-
-
-
-
-
-
Search Results
140
records
(took 0.028 seconds)
