-
41.发明授权Method and apparatus for controlling a transmit power level of a device in a wireless communications network 有权用于控制无线通信网络中的设备的发射功率电平的方法和装置公开(公告)号：US09402238B1
公开(公告)日：2016-07-26
申请号：US14660724
申请日：2015-03-17
Applicant: Marvell International Ltd.
Inventor： Yakun Sun , Liwen Chu , Hongyuan Zhang , Hui-Ling Lou , Lei Wang , Jinjing Jiang
CPC classification number: H04W52/243 , H04W52/0206 , H04W52/143 , H04W88/08 , Y02D70/00 , Y02D70/142
Abstract: A wireless communication system includes a first wireless access point, and a first set of at least one first station in wireless communication with the first wireless access point. The first wireless access point controls power for communications with a first station in the set of at least one first station. The first wireless access point may control power in a time-domain, announcing a power level for use during a time window. The first wireless access point may control power levels in a frequency-domain, announcing different power levels for different frequency subchannels within a frequency channel. The wireless communication system may further include an additional wireless access point, and an additional set of at least one additional station in wireless communication with the additional wireless access point. The first and additional wireless access points control power to avoid interference between the first and additional wireless access points.
Abstract translation: 无线通信系统包括第一无线接入点和与第一无线接入点无线通信的至少一个第一站的第一组。 第一无线接入点控制与至少一个第一站的集合中的第一站的通信的电力。 第一个无线接入点可以控制时域中的功率，在时间窗口内宣布使用功率电平。 第一无线接入点可以控制频域中的功率电平，通知频率信道内的不同频率子信道的不同功率电平。 无线通信系统还可以包括附加的无线接入点和与附加无线接入点进行无线通信的至少一个附加站的附加集合。 第一和另外的无线接入点控制电力以避免第一和另外的无线接入点之间的干扰。
-
42.发明授权Method and apparatus for detecting a desired signal in the presence of an interfering signal 有权在存在干扰信号的情况下检测所需信号的方法和装置公开(公告)号：US09025708B1
公开(公告)日：2015-05-05
申请号：US14331557
申请日：2014-07-15
Applicant: Marvell International Ltd.
Inventor： Yakun Sun , Krishna Srikanth Gomadam , Jiwoong Choi , Raphael Cendrillon , Hui-Ling Lou , Yan Zhang
CPC classification number: H04L1/0048 , H04B7/0413 , H04L1/06 , H04L25/03248 , H04L25/03891 , H04L27/0012
Abstract: In accordance with an embodiment, there is provided a method comprising receiving, at a receiver, a desired signal and an interfering signal, wherein the interfering signal was transmitted with a modulation unknown to the receiver; identifying a likely modulation corresponding to the modulation with which the interfering signal was transmitted; and decoding the desired signal using a modulation dependent multiple-input multiple output (MIMO) detection, wherein the modulation dependent MIMO detection is based at least in part on the identified likely modulation corresponding to the modulation with which the interfering signal was transmitted, wherein the modulation dependent MIMO detection includes maximum likelihood (ML) detection.
Abstract translation: 根据实施例，提供了一种方法，包括在接收机处接收期望信号和干扰信号，其中以接收机未知的调制方式发送干扰信号; 识别与所述干扰信号被发送的调制相对应的可能调制; 以及使用调制相关多输入多输出（MIMO）检测对所述期望信号进行解码，其中所述调制相关MIMO检测至少部分地基于与所述干扰信号被发送的调制相对应的所识别的可能调制，其中， 调制相关MIMO检测包括最大似然（ML）检测。
-
公开(公告)号：US08949683B1
公开(公告)日：2015-02-03
申请号：US14242091
申请日：2014-04-01
Applicant: Marvell International Ltd.
Inventor： Yakun Sun , Jihwan P. Choi , Jiwoong Choi , Hui-Ling Lou
CPC classification number: H04L1/0054 , H03M13/09 , H03M13/27 , H03M13/29 , H03M13/3738 , H03M13/3746 , H03M13/3776 , H03M13/6331 , H04J11/004 , H04L1/208 , H04L25/03891 , H04L25/067 , H04L2025/03426
Abstract: A system including a first receiver to receive a first signal including a first set of codewords and to generate a first set of decoded codewords by decoding one or more codewords of the first set of codewords. A first interference canceller measures first reliability metrics of codewords corresponding to the first set of decoded codewords and selects a second set of decoded codewords from the first set of decoded codewords based on the first reliability metrics. An encoder generates an encoded signal by encoding the second set of decoded codewords. A modulator generates a second signal by modulating the encoded signal. A subtractor subtracts a portion of the second signal from the first signal to cancel interference of first codewords corresponding to the second set of decoded codewords on codewords other than the first codewords in the first set of codewords in the first signal.
Abstract translation: 一种系统，包括：第一接收机，用于接收包括第一组码字的第一信号，并通过解码第一组码字集合的一个或多个码字来生成第一组解码码字。 第一干扰消除器测量对应于第一组解码码字的码字的第一可靠性度量，并且基于第一可靠性度量从第一组解码码字中选择第二组解码码字。 编码器通过对第二组解码码字进行编码来生成编码信号。 调制器通过调制编码信号来产生第二信号。 减法器从第一信号中减去第二信号的一部分，以消除第一信号中的第一组码字中除第一码字之外的码字上对应于第二解码码字集合的第一码字的干扰。
-
公开(公告)号：US11190305B1
公开(公告)日：2021-11-30
申请号：US16194139
申请日：2018-11-16
Applicant: Marvell International Ltd.
Inventor： Yakun Sun , Hongyuan Zhang , Liwen Chu , Hui-Ling Lou
Abstract: Systems and methods are provided for introducing time diversity in a transmitter. The systems and methods may include receiving, at the transmitter, a request from a receiver to retransmit data. The systems and methods may further include receiving an input of data corresponding to the data requested for retransmission at a first transmitter block. The systems and methods may further include operating on the signals using the first transmitter block in at least one of a first mode and a second mode, such that an output of signals from the first transmitter block is dependent on a time-varying function and corresponds to the data requested by the receiver for retransmission.
-
公开(公告)号：US10404517B1
公开(公告)日：2019-09-03
申请号：US16156591
申请日：2018-10-10
Applicant: Marvell International Ltd.
Inventor： Yakun Sun , Hongyuan Zhang
Abstract: A communication device receives a physical layer (PHY) data unit that includes i) a first orthogonal frequency division multiplexing (OFDM) symbol corresponding to a legacy signal field of a PHY preamble, and ii) a second OFDM symbol that immediately follows the first OFDM symbol. The communication device determines a first bit sequence corresponding to the first OFDM symbol and a second bit sequence corresponding to the second OFDM symbol. The communication device unscrambles the second bit sequence to obtain an unscrambled second bit sequence, and determines whether the unscrambled second bit sequence matches the first bit sequence. If the unscrambled second bit sequence matches the first bit sequence, the communication device decodes the PHY data unit according to a first communication protocol, and if the unscrambled second bit sequence does not match the first bit sequence, decodes the PHY data unit according to a second communication protocol.
-
Patent Agency Ranking
公开(公告)号：US10374840B1
公开(公告)日：2019-08-06
申请号：US15980650
申请日：2018-05-15
Applicant: Marvell International Ltd.
Inventor： Yakun Sun , Mingguang Xu , Hongyuan Zhang
Abstract: Systems and techniques relating to repeated signal detection are described. A described system includes a receiver to receive a frame including first and second portions, the first portion including first and second signal fields; a detector to determine a first decision metric component based on a hypothesis that the second signal field is a repeated version of the first signal field, determine a second decision metric component based on a hypothesis that the second signal field is not the repeated version, and make a determination, based on the first and second decision metric components, of whether the second signal field is the repeated version; and a decoder to process the second portion in accordance with a first format if the second signal field is not the repeated version, and to decode the second portion in accordance with a second format if the second signal field is the repeated version.
-
公开(公告)号：US10348446B1
公开(公告)日：2019-07-09
申请号：US16049282
申请日：2018-07-30
Applicant: MARVELL INTERNATIONAL LTD.
Inventor： Yakun Sun , Hongyuan Zhang
Abstract: A communication device determines a format for a physical layer (PHY) data unit. The communication device selects i) a length value to be included in a field in a legacy portion of a PHY preamble of the PHY data unit, and ii) a phase of modulation of an orthogonal frequency division modulation (OFDM) symbol in a non-legacy portion of the PHY preamble. The length value and the phase of modulation are selected to correspond to the determined format. A first value of a remainder resulting from dividing the length value by three corresponds to a first subset of formats; a second value of the remainder resulting from dividing the length value by three corresponds to a second subset of one or more formats. When the determined format belongs to the first subset, the phase of modulation of the OFDM symbol in the non-legacy portion of the PHY preamble indicates whether the PHY data unit conforms to a multi-user format.
-
公开(公告)号：US10263735B2
公开(公告)日：2019-04-16
申请号：US15337530
申请日：2016-10-28
Applicant: MARVELL INTERNATIONAL LTD.
Inventor： Yakun Sun , Mingguang Xu , Hongyuan Zhang , Liwen Chu , Lei Wang , Hui-Ling Lou , Jinjing Jiang
Abstract: For a first group of devices having a first group size, a set of block allocations is selected from a codebook. A block allocation for the first group of devices is selected from the selected set of block allocations. A corresponding integer number of different orthogonal frequency division multiplexing (OFDM) tone blocks is assigned to each device of the first group of devices according to the allocation. An orthogonal frequency division multiple access (OFDMA) data unit to be transmitted to the first group of devices via the WLAN communication channel is generated using the assigned set of OFDM tone blocks. The OFDMA data unit includes a preamble portion and a data portion, the preamble portion having an index to the codebook that indicates i) the first group size, and ii) the selected block allocation.
-
公开(公告)号：US10219162B1
公开(公告)日：2019-02-26
申请号：US15440838
申请日：2017-02-23
Applicant: Marvell International LTD.
Inventor： Yakun Sun , Mingguang Xu , Hui-Ling Lou , Hongyuan Zhang , Yan Zhang , Liwen Chu , Jinjing Jiang
Abstract: A wireless device includes a first receiver configured to receive a first signal transmitted using a first communication protocol, and to generate at least one of first information based on a first portion of a first signal and second information based on a second portion of the first signal. The wireless device includes a second receiver configured to receive a second signal transmitted using a second communication protocol, to suppress at least a portion of interference from the first signal based on the first information in response to the first receiver generating only the first information, and to cancel interference from the first signal based on the first information and the second information in response to the first receiver generating the first information and the second information.
-
公开(公告)号：US10194385B1
公开(公告)日：2019-01-29
申请号：US15374844
申请日：2016-12-09
Applicant: Marvell International Ltd.
Inventor： Jinjing Jiang , Liwen Chu , Lei Wang , Yakun Sun , Hongyuan Zhang
Abstract: In aspects of acknowledgement options for downlink multi-user transmission, a wireless network system includes an access point that can communicate a downlink multi-user transmission soliciting acknowledgement from one or more station devices. The access point can receive an association request or an operation mode change request frame from one or more of the station devices, and determine an acknowledgement option for each of the station devices that communicate the request to the access point. The access point can then use a multi-user transmission mode or a single user transmission mode for each of the station devices based on the acknowledgement option determined for each of the respective station devices.
-
-
-
-
-
-
-
-
-
Search Results
83
records
(took 0.025 seconds)
