公开(公告)号：US20150207599A1

公开(公告)日：2015-07-23

申请号：US14502771

申请日：2014-09-30

申请人： Joonsuk Kim ,  Yong Liu ,  Christopher Hansen ,  Harish Ramamurthy

发明人： Joonsuk Kim ,  Yong Liu ,  Christopher Hansen ,  Harish Ramamurthy

IPC分类号： H04L5/00 ,  H04B7/26

CPC分类号： H04B7/2621 ,  H04L5/001 ,  H04L5/0048 ,  H04L5/0064 ,  H04L5/0092

摘要： A system and method for partial bandwidth communication. The system includes a device that has a transceiver configured to connect to a network, a memory storing an executable program and a processor. The program causes the processor to perform operations including receiving data to be transmitted to second device, determining if the data uses less than a predetermined bandwidth used as a unit for a carrier aggregation, determining a plurality of sub-bands in the predetermined bandwidth, each sub-band including at least one pilot and a plurality of frequency tones, receiving network information from the second device, the network information indicating a preferred sub-band of the sub-bands, assigning one of the sub-bands to the second device based upon the network information, generating a packet including an indication, the indication indicating the assigned sub-band; transmitting the packet to the second device and transmitting the data in the assigned sub-band.

摘要翻译： 一种用于部分带宽通信的系统和方法。 该系统包括具有被配置为连接到网络的收发器的设备，存储可执行程序的存储器和处理器。 该程序使处理器执行包括接收要发送到第二设备的数据的操作，确定数据是否使用小于作为载波聚合的单位的预定带宽，确定预定带宽中的多个子带，每个 子带包括至少一个导频和多个频率音调，从第二设备接收网络信息，所述网络信息指示子频带的优选子带，将一个子带分配给第二设备 根据所述网络信息，生成包括指示的分组，所述指示指示所分配的子带; 将分组发送到第二设备并在分配的子带中发送数据。

公开(公告)号：US09131399B2

公开(公告)日：2015-09-08

申请号：US13586698

申请日：2012-08-15

申请人： Yong Liu ,  Harish Ramamurthy ,  Hongyuan Zhang

发明人： Yong Liu ,  Harish Ramamurthy ,  Hongyuan Zhang

IPC分类号： H04L12/26 ,  H04W28/06 ,  H04L5/00 ,  H04L27/00 ,  H04W8/26 ,  H04W84/12

CPC分类号： H04L27/2613 ,  H04L5/0053 ,  H04L5/0091 ,  H04L27/0006 ,  H04L27/2602 ,  H04W8/26 ,  H04W28/06 ,  H04W72/08 ,  H04W84/12

摘要： In a method for generating a control data unit a physical layer (PHY) preamble of the control data unit is generated. In generating the PHY preamble, an address field is generated to indicate a communication device for which the data unit is intended, and a frame type field is generated to indicate a type of the control data unit. The address field and the frame type field are included in the PHY preamble. The control data unit is generated to include the PHY preamble. The control data unit is transmitted. The control data unit omits (i) a MAC header, and (iii) a payload.

摘要翻译： 在产生控制数据单元的方法中，生成控制数据单元的物理层（PHY）前置码。 在生成PHY前导码时，生成地址字段以指示数据单元预期的通信设备，并且生成帧类型字段以指示控制数据单元的类型。 地址字段和帧类型字段包括在PHY前导码中。 生成控制数据单元以包括PHY前导码。 发送控制数据单元。 控制数据单元省略（i）MAC报头，和（iii）有效载荷。

公开(公告)号：US08842614B2

公开(公告)日：2014-09-23

申请号：US12758709

申请日：2010-04-12

申请人： Yong Liu ,  Raja Banerjea ,  Hongyuan Zhang ,  Harish Ramamurthy

发明人： Yong Liu ,  Raja Banerjea ,  Hongyuan Zhang ,  Harish Ramamurthy

IPC分类号： H04W4/00 ,  H04W72/04 ,  H04L5/00

CPC分类号： H04W72/0406 ,  H04L5/0023 ,  H04L5/0053 ,  H04L5/0094 ,  H04W72/046

摘要： The present disclosure includes systems and techniques relating to wireless local area network devices. Systems and techniques include determining wireless resource allocations in a time domain, a spatial wireless channel domain, and a frequency domain to coordinate communications with wireless communication devices, generating a control frame that directs wireless communications based on at least a portion of the wireless resource allocations, and transmitting the control frame to the wireless communication devices. Determining wireless resource allocations can include determining frequency allocations in the time domain.

摘要翻译： 本公开包括与无线局域网设备有关的系统和技术。 系统和技术包括确定时域中的无线资源分配，空间无线信道域和频域以协调与无线通信设备的通信，生成基于无线资源分配的至少一部分来指导无线通信的控制帧 ，并且将控制帧发送到无线通信设备。 确定无线资源分配可以包括确定时域中的频率分配。

公开(公告)号：US08571591B2

公开(公告)日：2013-10-29

申请号：US13218811

申请日：2011-08-26

申请人： Yong Liu ,  Harish Ramamurthy

发明人： Yong Liu ,  Harish Ramamurthy

IPC分类号： H04J3/06

CPC分类号： H04W28/0205 ,  H04W24/08 ,  H04W48/12 ,  H04W72/02

摘要： Systems and techniques relating to wireless communications are described. A described technique includes monitoring a group of wireless channels that are useable by at least a first wireless communication device for wireless communications, receiving one or more beacon signals from one or more second wireless communication devices, identifying, within the group of wireless channels, one or more primary channels on which the one or more beacon signals are received, estimating a traffic load for the one or more identified primary channels, determining, based on the estimated traffic load, whether to use as a primary channel for the first wireless communication device, a channel of the one or more identified primary channels or a channel of the group of wireless channels that is separate from the one or more identified primary channels; and selecting the primary channel for the first wireless communication device based on a result of the determining.

摘要翻译： 描述与无线通信相关的系统和技术。 所描述的技术包括监视可由至少第一无线通信设备用于无线通信的一组无线信道，从一个或多个第二无线通信设备接收一个或多个信标信号，在无线信道组内识别一个 接收一个或多个信标信号的多个主要信道，估计一个或多个识别的主要信道的业务负载，基于所估计的业务负载，确定是否用作第一无线通信设备的主要信道 所述一个或多个识别的主要信道的信道或与所述一个或多个识别的主信道分离的所述一组无线信道的信道; 以及基于所述确定的结果为所述第一无线通信设备选择所述主信道。

公开(公告)号：US08400968B2

公开(公告)日：2013-03-19

申请号：US12964584

申请日：2010-12-09

申请人： Yong Liu ,  Harish Ramamurthy ,  Ken Kinwah Ho ,  Raja Banerjea ,  Hongyuan Zhang

发明人： Yong Liu ,  Harish Ramamurthy ,  Ken Kinwah Ho ,  Raja Banerjea ,  Hongyuan Zhang

IPC分类号： H04W4/00 ,  H04L12/66 ,  H04J3/22 ,  H04J3/00

CPC分类号： H04W28/06 ,  H04L1/06 ,  H04L1/1614 ,  H04L1/1685 ,  H04L5/001 ,  H04L5/0023 ,  H04L5/0032 ,  H04L5/0037 ,  H04L5/0064 ,  H04L5/0094 ,  H04L69/324 ,  H04W72/042 ,  H04W84/12

摘要： Systems and techniques relating to wireless communications are described. A described technique includes obtaining data for a transmission to a wireless communication device(s), including one or more medium access control (MAC) data units that encapsulate data in a physical (PHY) frame, determining a length of a MAC layer pad based on a number of symbols associated with the PHY frame, including, in response to the length of the MAC layer pad being greater than zero, the MAC layer pad in the PHY frame after the one or more MAC data units, determining a length of a PHY layer pad based on remaining available bits in the PHY frame, including, in response to the length of the PHY layer pad being greater than zero, the PHY layer pad in the frame after the MAC layer pad, and transmitting the PHY frame to the wireless communication device(s).

摘要翻译： 描述与无线通信相关的系统和技术。 所描述的技术包括获得用于向无线通信设备的传输的数据，所述数据包括在物理（PHY）帧中封装数据的一个或多个介质访问控制（MAC）数据单元，基于MAC层的长度来确定 在与所述PHY帧相关联的多个符号上，包括响应于所述MAC层焊盘的长度大于零的MAC层焊盘，在所述一个或多个MAC数据单元之后的所述PHY帧中确定所述MAC层的长度 基于PHY帧中的剩余可用位的PHY层焊盘，包括响应于PHY层焊盘的长度大于零的PHY层焊盘在PHY层焊盘之后的帧中的PHY层焊盘，并将PHY帧发送到 无线通信设备。

公开(公告)号：US08395997B2

公开(公告)日：2013-03-12

申请号：US12945805

申请日：2010-11-12

申请人： Raja Banerjea ,  Yong Liu ,  Hongyuan Zhang ,  Harish Ramamurthy ,  Sudhir Srinivasa

发明人： Raja Banerjea ,  Yong Liu ,  Hongyuan Zhang ,  Harish Ramamurthy ,  Sudhir Srinivasa

IPC分类号： G01R31/08

CPC分类号： H04W74/08 ,  H04L1/1614 ,  H04L1/1685 ,  H04W24/00 ,  H04W72/04 ,  H04W72/12 ,  H04W74/002 ,  H04W74/0816 ,  H04W84/12

摘要： Systems and techniques relating to wireless communications are described. A described technique includes monitoring wireless communication channels, including a first channel and a second channel, to produce a monitoring output, determining a first transmission period for the first channel, determining a second transmission period for the second channel, transmitting, based on the first transmission period, a first packet on the first channel to cause one or more wireless communication devices to set a transmission protection period for the first channel and the second channel based on a reception of the first packet, transmitting, based on the second transmission period, a second packet on the second channel, and monitoring, after the end of the first transmission period, for one or more acknowledgements. An end of the second transmission period can be aligned with an end of the first transmission period.

摘要翻译： 描述与无线通信相关的系统和技术。 所描述的技术包括监视包括第一信道和第二信道的无线通信信道，以产生监视输出，确定第一信道的第一传输周期，确定第二信道的第二传输周期，基于第一信道 传输周期，第一信道上的第一分组，用于使一个或多个无线通信设备基于第一分组的接收来设置第一信道和第二信道的传输保护周期，基于第二传输周期， 在第二信道上的第二分组，并且在第一传输周期结束之后监视一个或多个确认。 第二传输周期的结束可以与第一传输周期的结束对齐。

公开(公告)号：US20130044607A1

公开(公告)日：2013-02-21

申请号：US13586698

申请日：2012-08-15

申请人： Yong Liu ,  Harish Ramamurthy ,  Hongyuan Zhang

发明人： Yong Liu ,  Harish Ramamurthy ,  Hongyuan Zhang

IPC分类号： H04W8/26 ,  H04W24/04

CPC分类号： H04L27/2613 ,  H04L5/0053 ,  H04L5/0091 ,  H04L27/0006 ,  H04L27/2602 ,  H04W8/26 ,  H04W28/06 ,  H04W72/08 ,  H04W84/12

摘要： In a method for generating a control data unit a physical layer (PHY) preamble of the control data unit is generated. In generating the PHY preamble, an address field is generated to indicate a communication device for which the data unit is intended, and a frame type field is generated to indicate a type of the control data unit. The address field and the frame type field are included in the PHY preamble. The control data unit is generated to include the PHY preamble. The control data unit is transmitted. The control data unit omits (i) a MAC header, and (iii) a payload.

摘要翻译： 在产生控制数据单元的方法中，生成控制数据单元的物理层（PHY）前置码。 在生成PHY前导码时，生成地址字段以指示数据单元所针对的通信设备，并且生成帧类型字段以指示控制数据单元的类型。 地址字段和帧类型字段包括在PHY前导码中。 生成控制数据单元以包括PHY前导码。 发送控制数据单元。 控制数据单元省略（i）MAC报头，和（iii）有效载荷。

公开(公告)号：US20110305288A1

公开(公告)日：2011-12-15

申请号：US13152040

申请日：2011-06-02

申请人： Yong Liu ,  Harish Ramamurthy ,  Raja Banerjea

发明人： Yong Liu ,  Harish Ramamurthy ,  Raja Banerjea

IPC分类号： H04L27/28 ,  H04L27/00

CPC分类号： H04L45/70 ,  H04L5/0007 ,  H04L5/001 ,  H04L5/0037 ,  H04L5/0098 ,  H04L25/0208 ,  H04L25/0224 ,  H04L43/0888 ,  H04L47/10 ,  H04L47/14 ,  H04L47/24 ,  H04L47/50 ,  H04W24/02 ,  H04W72/042 ,  H04W74/0816 ,  H04W84/12

摘要： In a method implemented in a communication device an available bandwidth for transmitting one or more data frames is determined, wherein the available bandwidth corresponds to a first composite communication channel comprising a plurality of communication channels. A control frame to indicate a request to transmit via the first composite communication channel is generated, wherein the control frame includes a header, and wherein a portion of the header includes information indicating the bandwidth of the first composite channel. The control frame is transmitted via the first composite communication channel, wherein at least the portion of the header is duplicated in a plurality of bandwidth portions of the first composite communication channel.

摘要翻译： 在通信设备中实现的方法中，确定用于发送一个或多个数据帧的可用带宽，其中可用带宽对应于包括多个通信信道的第一复合通信信道。 生成用于指示经由第一复合通信信道发送的请求的控制帧，其中控制帧包括报头，并且其中报头的一部分包括指示第一复合信道的带宽的信息。 经由第一复合通信信道发送控制帧，其中报头的至少部分被复制在第一复合通信信道的多个带宽部分中。

公开(公告)号：US08665906B1

公开(公告)日：2014-03-04

申请号：US12869491

申请日：2010-08-26

申请人： Yong Liu ,  Raja Banerjea ,  Hongyuan Zhang ,  Harish Ramamurthy

发明人： Yong Liu ,  Raja Banerjea ,  Hongyuan Zhang ,  Harish Ramamurthy

IPC分类号： H04J3/24

CPC分类号： H04W28/18 ,  H04B7/0617 ,  H04B7/0689 ,  H04L5/0044 ,  H04L47/365 ,  H04L69/166 ,  H04W28/065

摘要： A plurality of individual physical layer (PHY) data units having independent data for a plurality of stations are generated. The plurality of individual PHY data units includes a first individual PHY data unit corresponding to a first station, a second individual PHY data unit corresponding to a second station, and a third individual PHY data unit corresponding to a third station. The second individual PHY data unit includes a first midamble of an aggregated PHY data unit, and the third individual PHY data unit includes a second midamble of the aggregated PHY data unit. The aggregated PHY data unit is generated to include the plurality of individual PHY data units, wherein the first midamble includes information that indicates a location within the aggregated PHY data unit of the third individual PHY data unit.

摘要翻译： 生成具有用于多个站的独立数据的多个个体物理层（PHY）数据单元。 多个单独PHY数据单元包括对应于第一站的第一单独PHY数据单元，对应于第二站的第二单独PHY数据单元和对应于第三站的第三单独PHY数据单元。 第二单独PHY数据单元包括聚合PHY数据单元的第一中间码，并且第三单独PHY数据单元包括聚合PHY数据单元的第二中间码。 生成聚合PHY数据单元以包括多个单独的PHY数据单元，其中第一中间码包括指示第三单独PHY数据单元的聚合PHY数据单元内的位置的信息。

公开(公告)号：US08532221B2

公开(公告)日：2013-09-10

申请号：US13025081

申请日：2011-02-10

申请人： Yong Liu ,  Raja Banerjea ,  Harish Ramamurthy

发明人： Yong Liu ,  Raja Banerjea ,  Harish Ramamurthy

IPC分类号： H04L27/00

CPC分类号： H04W72/121 ,  H04L5/0023 ,  H04L5/0044 ,  H04W74/0816 ,  H04W74/0833 ,  H04W84/12

摘要： Systems and techniques relating to wireless communications are described. A described technique includes identifying devices to receive spatially steered data frames during a transmission opportunity (TXOP), the data frames being included in a multi-user frame; transmitting, during the TXOP, request to send (RTS) information to the identified devices; receiving clear to send (CTS) responses from the identified devices; determining bandwidth configurations for the identified devices based on the CTS responses; selecting a bandwidth configuration for the multi-user frame based on the bandwidth configurations to produce a selected bandwidth configuration that enables the data frames to be spatially steered and transmitted concurrently within the multi-user frame; and transmitting, during the TXOP, the multi-user frame to the identified devices in accordance with the selected bandwidth configuration. The bandwidth configuration can indicate one or more frequency bands that are available during at least a portion of the TXOP.

摘要翻译： 描述与无线通信相关的系统和技术。 所描述的技术包括识别在传输机会（TXOP）期间接收空间转向数据帧的设备，数据帧被包括在多用户帧中; 在TXOP期间发送请求向所识别的设备发送（RTS）信息; 从识别的设备接收明确的发送（CTS）响应; 基于所述CTS响应来确定所识别的设备的带宽配置; 基于所述带宽配置来选择所述多用户帧的带宽配置，以产生使得所述数据帧能够在所述多用户帧内同时进行空间转向和传输的所选带宽配置; 以及根据所选择的带宽配置在所述TXOP期间将所述多用户帧发送到所识别的设备。 带宽配置可以指示在TXOP的至少一部分期间可用的一个或多个频带。