公开(公告)号：US09674730B2

公开(公告)日：2017-06-06

申请号：US14010304

申请日：2013-08-26

Applicant: Marvell World Trade Ltd.

Inventor： Jihwan P. Choi ,  Jiwon S. Han ,  Hui-Ling Lou

IPC: H04W28/02 ,  H04L1/18 ,  H04L1/00 ,  H04L5/00

CPC classification number: H04W28/0273 ,  H04L1/0001 ,  H04L1/1822 ,  H04L1/1896 ,  H04L5/0053

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 a signal representing a wireless communication transmission; and circuitry configured to process the signal to (i) decode a control portion of the wireless communication transmission, (ii) determine from the decoded control portion that a data portion of the wireless communication transmission was successfully decoded previously and acknowledged, and so the wireless communication transmission is an unnecessary retransmission, and (iii) trigger acknowledgement of the wireless communication transmission being successfully decoded, without completing a decode of the data portion of the wireless communication transmission, when the unnecessary retransmission is detected.

公开(公告)号：US09629169B2

公开(公告)日：2017-04-18

申请号：US14488240

申请日：2014-09-16

Applicant: Marvell World Trade Ltd.

Inventor： Hongyuan Zhang ,  Yakun Sun ,  Hui-Ling Lou

IPC: H04J3/00 ,  H04W72/08 ,  H04W28/02 ,  H04W72/04 ,  H04W16/14 ,  H04W84/12 ,  H04W74/08

CPC classification number: H04W72/082 ,  H04W16/14 ,  H04W28/0236 ,  H04W72/0446 ,  H04W74/0816 ,  H04W84/12

Abstract: A presence of interference between a first wireless network and a second wireless network is determined. Transmissions in the first wireless network are coordinated with transmissions in the second wireless network to reduce interference between the first wireless network and the second wireless network. Transmissions in the first wireless network are scheduled based on the coordinating to reduce interference between the first wireless network and the second wireless network.

公开(公告)号：US20170041030A1

公开(公告)日：2017-02-09

申请号：US15331031

申请日：2016-10-21

Applicant: Marvell World Trade Ltd.

Inventor： Yakun Sun ,  Hui-Ling Lou

IPC: H04B1/10 ,  H04W72/04 ,  H04W56/00 ,  H04L5/00

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：US20160381704A1

公开(公告)日：2016-12-29

申请号：US15191441

申请日：2016-06-23

Applicant: Marvell World Trade Ltd.

Inventor： Liwen Chu ,  Lei Wang ,  Hongyuan Zhang ,  Jinjing Jiang ,  Hui-Ling Lou

IPC: H04W74/04

CPC classification number: H04W74/04 ,  H04W52/0216 ,  H04W52/0229 ,  Y02D70/1242 ,  Y02D70/1262 ,  Y02D70/142 ,  Y02D70/144 ,  Y02D70/166

Abstract: Systems and techniques relating to wireless networking, and target wake time (TWT) scheduling for transmissions employing an Orthogonal Frequency-Division Multiple Access (OFDMA) digital modulation channelization include: receiving a frame at a wireless device, wherein a format of the frame comprises (i) a field indicating a target wake time, (ii) a first subfield having a first value that indicates a digital modulation channelization scheme, and (iii) a second subfield having a second value that indicates a transmission direction; and powering on the wireless device at the target wake time indicated by the field in the frame, wherein the powering on the wireless device enables the wireless device to transmit additional frames via a wireless channel based on (i) the first value set in the first subfield of the frame and (ii) the second value set in the second subfield of the frame.

Abstract translation: 与无线网络相关的系统和技术以及采用正交频分多址（OFDMA）数字调制信道化的传输的目标唤醒时间（TWT）调度包括：在无线设备处接收帧，其中帧的格式包括 i）指示目标唤醒时间的场，（ii）具有指示数字调制信道化方案的第一值的第一子场，以及（iii）具有指示传输方向的第二值的第二子场; 以及由所述帧中的所述字段指示的目标唤醒时间对所述无线设备供电，其中所述无线设备上的供电使得所述无线设备能够经由无线信道发送附加帧，其基于（i）所述第一 子帧和（ii）在帧的第二子场中设置的第二值。

公开(公告)号：US09420635B2

公开(公告)日：2016-08-16

申请号：US14218876

申请日：2014-03-18

Applicant: MARVELL WORLD TRADE LTD.

Inventor： Qing Zhao ,  Yakun Sun ,  Yi-Ling Chao ,  Leilei Song ,  Hui-Ling Lou

IPC: H04M1/00 ,  H04W88/06 ,  H04L1/00 ,  H04W72/12

CPC classification number: H04W24/02 ,  H04L1/0026 ,  H04W72/1215 ,  H04W72/1226 ,  H04W84/12 ,  H04W88/06

Abstract: In a method of operating a communication device that includes at least (i) a first network interface configured to operate according to a first communication protocol and (ii) a second network interface configured to operate according to a second communication protocol, the first communication interface is operated according to the first communication protocol. The first communication protocol defines a periodically repeating set of time intervals. One or more time intervals, from the set of time intervals, that meet a selection criteria are determined. The selection criteria is based on level of interference experienced by the first network interface. During the determined one or more time intervals, operation of the first network interface according to the first communication protocol is suspended, and operation of the second network interface according to the second communication protocol is enabled.

Abstract translation: 在一种操作通信设备的方法中，所述通信设备至少包括（i）被配置为根据第一通信协议操作的第一网络接口和（ii）被配置为根据第二通信协议进行操作的第二网络接口，所述第一通信接口 根据第一通信协议进行操作。 第一通信协议定义周期性重复的时间间隔集合。 确定满足选择标准的从一组时间间隔开始的一个或多个时间间隔。 选择标准基于第一网络接口所经历的干扰水平。 在所确定的一个或多个时间间隔期间，暂停根据第一通信协议的第一网络接口的操作，并且启用根据第二通信协议的第二网络接口的操作。

公开(公告)号：US20160087827A1

公开(公告)日：2016-03-24

申请号：US14954961

申请日：2015-11-30

Applicant: MARVELL WORLD TRADE LTD.

Inventor： Hongyuan Zhang ,  Hui-Ling Lou ,  Su Khiong Yong

IPC: H04L27/26 ,  H04W84/12 ,  H04L1/00

CPC classification number: H04L27/2605 ,  H04J11/00 ,  H04L1/0057 ,  H04L27/2613 ,  H04L27/2698 ,  H04W52/286 ,  H04W84/12

Abstract: A first plurality of OFDM symbols for a first field of a preamble to be included in a data unit that conforms to a first communication protocol are generated, wherein each OFDM symbol of the first plurality of OFDM symbols corresponds to a first long training sequence that is obtained at least by multiplying a predetermined sequence with a second long training sequence defined by a second communication protocol. A first plurality of modified constellation symbols are generated, including multiplying the first plurality of constellation symbols by the predetermined sequence. A second plurality of OFDM symbols are generated to include the first plurality of modified constellation symbols. The preamble is generated to include the first plurality of OFDM symbols for the first field and the second plurality of OFDM symbols for the second field, and the data unit to include at least the preamble.

Abstract translation: 产生要包括在符合第一通信协议的数据单元中的用于前导码的第一字段的第一多个OFDM符号，其中第一多个OFDM符号中的每个OFDM符号对应于第一长训练序列， 至少通过将预定序列与由第二通信协议定义的第二长训练序列相乘来获得。 生成第一多个修改的星座符号，包括将第一多个星座符号乘以预定序列。 生成第二多个OFDM符号以包括第一多个修改的星座符号。 产生前同步码以包括用于第二场的第一场和第二多个OFDM符号的第一多个OFDM符号，并且数据单元至少包括前导码。

公开(公告)号：US20160087700A1

公开(公告)日：2016-03-24

申请号：US14955004

申请日：2015-11-30

Applicant: MARVELL WORLD TRADE LTD.

Inventor： Liwen Chu ,  Hongyuan Zhang ,  Hui-Ling Lou

IPC: H04B7/04 ,  H04W72/04

Abstract: A communication device of a client uplink group transmits an enhanced request to send (E-RTS) message to an access point of a wireless local area network, wherein the E-RTS message includes i) a length of a TXOP of the communication device and ii) an indication of a data unit size for an uplink MU-MIMO data unit to be transmitted by the communication device simultaneously with transmissions of other members of the client uplink group. The communication device receives a communication frame from the access point, the communication frame including a prompt to transmit an uplink MU-MIMO data unit having the indicated data unit size. The communication device generates the uplink MU-MIMO data unit having the indicated data unit size, and transmits, in response to the communication frame, the uplink MU-MIMO data unit to the access point during the TXOP simultaneously with transmissions of other members of the client uplink group.

Abstract translation: 客户端上行链路组的通信设备向无线局域网的接入点发送增强的发送请求（E-RTS）消息，其中E-RTS消息包括i）通信设备的TXOP的长度和 ii）与由客户端上行链路组的其他成员的传输同时由通信设备发送的上行链路MU-MIMO数据单元的数据单元大小的指示。 通信装置从接入点接收通信帧，通信帧包括发送具有指示的数据单元大小的上行MU-MIMO数据单元的提示。 通信设备生成具有所指示的数据单元大小的上行链路MU-MIMO数据单元，并且响应于通信帧将上行链路MU-MIMO数据单元在TXOP期间与其他成员的传输同时发送到接入点 客户端上行组。

公开(公告)号：US09294249B2

公开(公告)日：2016-03-22

申请号：US14619652

申请日：2015-02-11

Applicant: Marvell World Trade LTD.

Inventor： Rohit U. Nabar ,  Hongyuan Zhang ,  Hui-Ling Lou

IPC: H04W4/00 ,  H04L5/00 ,  H04B7/26 ,  H04W52/04 ,  H04W88/08

CPC classification number: H04L5/0055 ,  H04B7/2618 ,  H04L5/0005 ,  H04W52/04 ,  H04W72/042 ,  H04W72/0446 ,  H04W88/08

Abstract: An AP including a MAC module to designate a predetermined time period to communicate with a plurality of client stations associated with the AP via a channel. The MAC module instructs remaining client stations associated with the AP to not transmit data during the predetermined time period. The MAC module receives, during the predetermined time period, data transmitted by the plurality of client stations without sensing the channel, and receives, at a time other than the predetermined time period, data transmitted by the remaining client stations by sensing the channel. An acknowledgment generating module generates acknowledgements in response to receiving data from the plurality of client stations. The MAC module aggregates the acknowledgements in a single aggregated frame, which includes a plurality of sub-frames, each sub-frame including one of the acknowledgements. The MAC module transmits the single aggregated frame to the plurality of client stations during the predetermined time period.

Abstract translation: AP包括MAC模块，用于指定预定时间段，以经由信道与与AP相关联的多个客户站通信。 MAC模块指示与AP相关联的剩余客户站在预定时间段期间不发送数据。 MAC模块在预定时间段期间接收由多个客户站发送的数据而不感测信道，并且在预定时间段之外的时间段接收由剩余的客户端通过感测信道发送的数据。 确认生成模块响应于来自多个客户端站的数据而生成确认。 MAC模块在单个聚合帧中聚合确认，其包括多个子帧，每个子帧包括确认之一。 MAC模块在预定时间段内将单个聚合帧发送到多个客户站。

公开(公告)号：US09270431B2

公开(公告)日：2016-02-23

申请号：US14015722

申请日：2013-08-30

Applicant: Marvell World Trade Ltd.

Inventor： Hongyuan Zhang ,  Hui-Ling Lou ,  Rohit U. Nabar ,  Yong Liu

IPC: H04L5/00 ,  H04B7/04 ,  H04B7/06

CPC classification number: H04B7/0456 ,  H04B7/0413 ,  H04B7/0617 ,  H04B7/0619 ,  H04B7/0626 ,  H04B7/0634 ,  H04B7/0697 ,  H04L5/0048

Abstract: Systems, apparatuses, and techniques relating to wireless local area network devices are described. A described technique includes transmitting a sounding packet to wireless communication devices; receiving, in response to the sounding packet, feedback packets from the wireless communication devices, wherein the feedback packets are indicative of beamforming matrices, the beamforming matrices being derived from received versions of the sounding packet; determining steering matrices based on the beamforming matrices; generating spatially steered data packets for the wireless communication devices based respectively on the steering matrices and data streams intended respectively for the wireless communication devices; and transmitting, within a frame, the spatially steered data packets to the wireless communications devices, wherein the spatially steered data packets concurrently provide the data streams respectively within the frame to the wireless communication devices via different spatial wireless channels.

Abstract translation: 描述与无线局域网设备相关的系统，设备和技术。 所描述的技术包括向无线通信设备发送探测分组; 响应于所述探测分组，从所述无线通信设备接收反馈分组，其中所述反馈分组指示波束形成矩阵，所述波束形成矩阵从所述探测分组的接收版本导出; 基于所述波束形成矩阵确定导向矩阵; 基于分别用于无线通信设备的导向矩阵和数据流，为无线通信设备生成空间转向的数据分组; 以及在帧内将所述空间转向的数据分组发送到所述无线通信设备，其中所述空间转向数据分组在所述帧内分别通过不同的空间无线信道向所述无线通信设备提供所述数据流。

公开(公告)号：US20160021496A1

公开(公告)日：2016-01-21

申请号：US14799930

申请日：2015-07-15

Applicant: Marvell World Trade Ltd.

Inventor： Sagar A. Tamhane ,  Sarang Shrikrishna Wagholikar ,  Liwen Chu ,  Hongyuan Zhang ,  Hui-Ling Lou

IPC: H04W4/02 ,  H04B1/40 ,  H04W24/10 ,  H04W64/00

Abstract: The present disclosure describes methods and apparatus for enabling spontaneous location determination in a scheduled wireless communication environment. For example embodiments, a first wireless communication device includes a transceiver and a multiple recipient communication system. The transceiver is configured to receive from a second wireless communication device a request to participate in a location determination procedure (LDP) that is to occur at least partially during a communication period that is assigned to a third wireless communication device. The multiple recipient communication system is configured to generate a multiple recipient frame that encapsulates (i) data that is destined for the third wireless communication device and (ii) a response to the request to participate in the LDP. For other example embodiments, a multiple recipient communication system of the second wireless communication device is configured to extract the response to the request to participate in the LDP from the multiple recipient frame.

Abstract translation: 本公开描述了用于在调度的无线通信环境中实现自发定位确定的方法和装置。 对于示例性实施例，第一无线通信设备包括收发机和多个接收者通信系统。 收发器被配置为从第二无线通信设备接收参与将在分配给第三无线通信设备的通信周期期间至少部分地发生的位置确定过程（LDP）的请求。 多个接收者通信系统被配置为生成多个接收者帧，该多个接收者帧封装（i）目的地为第三无线通信设备的数据，以及（ii）对参与LDP的请求的响应。 对于其他示例实施例，第二无线通信设备的多个接收者通信系统被配置为从多个接收者帧中提取对参与LDP的请求的响应。