公开(公告)号：US20070230461A1

公开(公告)日：2007-10-04

申请号：US11728244

申请日：2007-03-22

申请人： Harkirat Singh ,  Huai-Rong Shao ,  Chiu Ngo

发明人： Harkirat Singh ,  Huai-Rong Shao ,  Chiu Ngo

IPC分类号： H04L12/56

CPC分类号： H04L47/10 ,  H04L29/06027 ,  H04L47/14 ,  H04L47/2416 ,  H04L47/34 ,  H04L65/607 ,  H04N21/2381 ,  H04N21/2383 ,  H04N21/43637 ,  H04N21/6131 ,  H04N21/6181

摘要： A method and system for transmitting video information from a sender to a receiver over wireless channels, by inputting a frame of video information at the sender, packetizing the video information and transmitting the video packet from the sender to the receiver over a wireless channel. Packetizing the video information is performed by segmenting the frame into one or more segments of video information, constructing a data payload from one of the segments, constructing a video header including information describing said one segment, forming a video packet from the video header and the data payload. The video header in each video packet uniquely defines the video information in the data payload of the video packet for the receiver to reconstruct the video frame for proper display of the data payload in a video stream.

摘要翻译： 一种用于通过无线信道从发送方发送视频信息到接收者的方法和系统，通过在发送者处输入视频信息帧，分组化视频信息，并通过无线信道将视频数据包从发送方发送到接收方。 通过将帧分割成视频信息的一个或多个段来构建视频信息，通过从一个段构成数据有效载荷，构建包括描述所述一个段的信息的视频头，从视频头部形成视频分组，以及 数据有效载荷。 每个视频分组中的视频头部唯一地定义视频分组的数据有效载荷中的视频信息，以便接收机重构视频帧以在视频流中正确显示数据有效载荷。

公开(公告)号：US09007968B2

公开(公告)日：2015-04-14

申请号：US12721364

申请日：2010-03-10

申请人： Harkirat Singh ,  Julan Hsu ,  Chiu Ngo

发明人： Harkirat Singh ,  Julan Hsu ,  Chiu Ngo

IPC分类号： H04B7/00 ,  H04W72/04 ,  H04W76/00 ,  H04W88/06

CPC分类号： H04W72/044 ,  H04W76/00 ,  H04W88/06

摘要： A system and method for wireless communication over multi-rate channels are disclosed. One embodiment of the system includes a first multi-band wireless station that is capable of using a first frequency band and a second frequency band for wireless communication; and a second multi-band wireless station that is capable of using the first frequency band and the second frequency band for wireless communication. One or more of the first and second stations is configured to monitor a status of the second frequency band. The status includes the availability of the second frequency band for communication between the first and second stations. The first and second stations can share the monitored status with each other via the first frequency band.

摘要翻译： 公开了一种用于通过多速率信道进行无线通信的系统和方法。 该系统的一个实施例包括能够使用第一频带和第二频带进行无线通信的第一多频带无线站; 以及能够使用第一频带和第二频带进行无线通信的第二多频带无线站。 第一和第二站中的一个或多个被配置为监视第二频带的状态。 该状态包括用于第一和第二站之间的通信的第二频带的可用性。 第一和第二站可以经由第一频带彼此共享监视状态。

公开(公告)号：US08917675B2

公开(公告)日：2014-12-23

申请号：US12189534

申请日：2008-08-11

申请人： Xiangping Qin ,  Harkirat Singh ,  Huai-Rong Shao ,  Chiu Ngo

发明人： Xiangping Qin ,  Harkirat Singh ,  Huai-Rong Shao ,  Chiu Ngo

IPC分类号： H04W4/00 ,  H04W74/08

CPC分类号： H04W74/08

摘要： A system and method for multiple contention access periods is disclosed. In one embodiment, the system for wireless communication comprises a coordinator configured to schedule wireless transmissions among a plurality of wireless devices during a plurality of superframes, at least one of the superframes comprising a period during which the coordinator is configured to receive one or more data packets from the wireless devices via at least one random access scheme, the period being partitioned into a plurality of sub-periods which do not overlap with one another, wherein the coordinator is configured to receive at least a first data packet having a first value for a parameter during a first sub-period and a second data packet having a second value for the parameter during a second sub-period, and wherein the first and second values for the parameter are different from each other.

摘要翻译： 公开了一种用于多个争用访问时段的系统和方法。 在一个实施例中，用于无线通信的系统包括配置为在多个超帧期间在多个无线设备之间调度无线传输的协调器，所述超帧中的至少一个包括协调器被配置为接收一个或多个数据 经由至少一个随机接入方案来自所述无线设备的分组，所述周期被划分为彼此不重叠的多个子周期，其中所述协调器被配置为接收至少第一数据分组，所述第一数据分组具有第一值， 第一子周期期间的参数和在第二子周期期间具有参数的第二值的第二数据分组，并且其中参数的第一和第二值彼此不同。

公开(公告)号：US08619652B2

公开(公告)日：2013-12-31

申请号：US11946775

申请日：2007-11-28

申请人： Harkirat Singh ,  Xiangping Qin ,  Huai-Rong Shao ,  Chiu Ngo

发明人： Harkirat Singh ,  Xiangping Qin ,  Huai-Rong Shao ,  Chiu Ngo

IPC分类号： G08C17/00

CPC分类号： H04N21/44227 ,  H04N21/43615 ,  H04N21/43637 ,  H04N21/4432 ,  Y02D70/10

摘要： A system and method for power saving in a wireless network for transmitting uncompressed audio/video (A/V) data disclosed. The method includes an adaptive sleep period scheme in which the current sleep period is computed based at least partly on one or more previous sleep periods. The method also includes entering an inactive state by a coordinator as well as non-coordinator stations in the wireless network in which no beacons are transmitted.

摘要翻译： 一种在无线网络中节能的系统和方法，用于传输未压缩的音频/视频（A / V）数据。 该方法包括自适应睡眠周期方案，其中至少部分地基于一个或多个先前睡眠周期来计算当前睡眠周期。 该方法还包括由协调器以及无信号发送的无线网络中的非协调器站进入非活动状态。

公开(公告)号：US08537850B2

公开(公告)日：2013-09-17

申请号：US12348817

申请日：2009-01-05

申请人： Xiangping Qin ,  Chiu Ngo ,  Harkirat Singh ,  Huai-Rong Shao

发明人： Xiangping Qin ,  Chiu Ngo ,  Harkirat Singh ,  Huai-Rong Shao

IPC分类号： H04L12/413

CPC分类号： H04W74/002 ,  H04W28/26 ,  H04W48/08 ,  H04W74/0833

摘要： A method and system for wireless communication in a wireless network is provided. One implementation involves a requesting wireless station directionally transmitting a request to a coordinator for access to a communication channel; the request packet includes a field indicating the length of the desired reservation period; and upon successfully receiving the request from the wireless station, the coordinator reserving a channel time period for data transmission by the requesting wireless station, and at least pseudo-omni-directionally broadcasting a packet to all wireless stations in the network indicating the reservation. All other stations refrain from contending the channel during the reserved channel time period.

摘要翻译： 提供了一种无线网络中无线通信的方法和系统。 一个实现涉及请求无线站向定向发送协调器以访问通信信道的请求; 所述请求分组包括指示期望的预留时段的长度的字段; 并且在成功接收到来自所述无线站的请求时，所述协调器保留由所述请求无线站进行数据传输的信道时间段，并且至少伪全向广播分组到所述网络中指示所述预留的所有无线站。 所有其他站点在预留频道时间段内不要竞争频道。

公开(公告)号：US20120314713A1

公开(公告)日：2012-12-13

申请号：US13491269

申请日：2012-06-07

申请人： Harkirat SINGH ,  Ilju NA ,  Jae Min LEE ,  Chiu NGO

发明人： Harkirat SINGH ,  Ilju NA ,  Jae Min LEE ,  Chiu NGO

IPC分类号： H04L12/66

CPC分类号： H04L65/1069 ,  H04L65/607 ,  H04N21/43615

摘要： Communication in an AV network includes a Talker device initiating communication with a Listener device via a proxy device for data streaming. The proxy device participates in one or more of: content discovery, connection establishment, AV selection and AV streaming between the Talker device initiating communication with a Listener device.

摘要翻译： AV网络中的通信包括通过用于数据流传输的代理设备发起与侦听器设备的通信的通话器设备。 代理设备参与以下一个或多个：在发起与侦听器设备的通信的Talker设备之间的内容发现，连接建立，AV选择和AV流。

公开(公告)号：US08255714B2

公开(公告)日：2012-08-28

申请号：US12482328

申请日：2009-06-10

申请人： Harkirat Singh ,  Xiangping Qin ,  Chiu Ngo

发明人： Harkirat Singh ,  Xiangping Qin ,  Chiu Ngo

IPC分类号： G06F1/26

CPC分类号： H04W72/048

摘要： A system and method for wireless communication over multi-rate channels are disclosed. One embodiment of the system includes a first wireless device; a second wireless device; and an access point that can communicate over high-rate and low-rate channels. One or more of the first and second wireless devices and the access point can include neighbor information on the wireless stations in the wireless network. One or more of the first and second wireless devices and the access point may be configured to transmit a frame in an attempt to establish a direct link over the first channel between the first and second stations. Before transmitting the frame, the one or more of the first and second wireless devices and the access point may determine whether a direct link can be established over the first channel between the first and second stations, based at least partly on the neighbor information. This scheme can significantly reduce time wasted for unsuccessful direct link setup attempts for the high-rate channel transmissions.

摘要翻译： 公开了一种用于通过多速率信道进行无线通信的系统和方法。 该系统的一个实施例包括第一无线设备; 第二无线设备; 以及可以通过高速率和低速率通道进行通信的接入点。 第一和第二无线设备和接入点中的一个或多个可以包括无线网络中的无线站上的邻居信息。 第一和第二无线设备和接入点中的一个或多个可以被配置为发送帧以尝试在第一和第二站之间的第一信道上建立直接链路。 在发送帧之前，至少部分地基于邻居信息，第一和第二无线设备和接入点中的一个或多个可以确定是否可以在第一和第二站之间的第一信道上建立直接链路。 该方案可以显着地减少用于高速率信道传输的直接链路建立尝试失败的时间。

公开(公告)号：US08176524B2

公开(公告)日：2012-05-08

申请号：US12107685

申请日：2008-04-22

申请人： Harkirat Singh ,  Chiu Ngo

发明人： Harkirat Singh ,  Chiu Ngo

IPC分类号： H04N7/173

CPC分类号： H04N21/2402 ,  H04N19/12 ,  H04N19/13 ,  H04N19/154 ,  H04N19/187 ,  H04N19/196 ,  H04N19/93 ,  H04N21/2662 ,  H04N21/6131

摘要： A system and method for wireless communication of video data are disclosed. One embodiment of the system transmits partially compressed video data from a transmitter to a receiver over a wireless channel. The transmitter is configured to send a plurality of groups of data bits over a wireless channel. The data bits, in an uncompressed form, together form one or more displayable elements representing at least a portion of a video image. The plurality of groups have different degrees of significance to the quality of the video image. The plurality of groups include a first group of uncompressed data bits, and a second group of compressed data bits, wherein the first group has a higher degree of significance to the quality of the video image than the second group. The receiver is configured to receive the plurality of groups of data bits over the wireless channel. The system allows transmission of a large amount of video data over a wireless channel having a limited capacity or a varying condition.

摘要翻译： 公开了一种用于视频数据的无线通信的系统和方法。 系统的一个实施例通过无线信道将部分压缩的视频数据从发射机发射到接收机。 发射机被配置为通过无线信道发送多组数据比特。 以未压缩形式的数据位一起形成表示视频图像的至少一部分的一个或多个可显示元件。 多个组对于视频图像的质量具有不同程度的重要性。 多个组包括第一组未压缩数据位和第二组压缩数据位，其中第一组对视频图像的质量比第二组具有更高的重要性。 接收机被配置为通过无线信道接收多组数据比特。 该系统允许通过具有有限容量或变化条件的无线信道传输大量视频数据。

公开(公告)号：US08102853B2

公开(公告)日：2012-01-24

申请号：US11690290

申请日：2007-03-23

申请人： Chiu Ngo ,  Harkirat Singh ,  Huai-Rong Shao

发明人： Chiu Ngo ,  Harkirat Singh ,  Huai-Rong Shao

IPC分类号： H04L12/56 ,  H03M13/00

CPC分类号： H04L1/0041 ,  H04L1/0061 ,  H04L1/0072 ,  H04L12/40071 ,  H04L12/4011 ,  H04L12/40117 ,  H04L69/324 ,  H04W28/06 ,  H04W80/02

摘要： A data structure of a MAC header for a WirelessHD communication system including an application layer, a media access controller (MAC) layer, and a physical (PHY) layer, includes, a payload data packet from the application layer; a MAC header of a fixed length; a MAC header extension of a variable length; a MAC header extension control field which signals if a particular field needs to be included or excluded; a PHY header for synchronizing the behavior of the PHY layer; a first CRC segment for a cyclic redundancy checksum for checking transmission of the MAC header and the PHY header; and a second CRC segment for a cyclic redundancy checksum for checking transmission of the MAC header extension. Either the MAC header or the MAC header extension includes a size indication of the MAC header extension for facilitating checking of the second CRC segment.

摘要翻译： 包括应用层，媒体接入控制器（MAC）层和物理（PHY）层的WirelessHD通信系统的MAC报头的数据结构包括来自应用层的有效载荷数据分组; 一个固定长度的MAC头; 可变长度的MAC标头扩展名; MAC报头扩展控制字段，其指示是否需要包括或排除特定字段; 用于同步PHY层的行为的PHY报头; 用于检查MAC报头和PHY报头的传输的循环冗余校验和的第一CRC段; 以及用于检查MAC报头扩展的传输的循环冗余校验和的第二CRC段。 MAC报头或MAC报头扩展包括用于便于检查第二CRC段的MAC报头扩展的大小指示。

公开(公告)号：US20110265139A1

公开(公告)日：2011-10-27

申请号：US13103949

申请日：2011-05-09

申请人： Harkirat Singh ,  Ilju Na ,  Jae Min Lee ,  Chiu Ngo

发明人： Harkirat Singh ,  Ilju Na ,  Jae Min Lee ,  Chiu Ngo

IPC分类号： H04N7/173

CPC分类号： H04N21/64322 ,  H04N21/6437 ,  H04N21/64723

摘要： Method and system for isochronous communication between audio/video (AV) devices. One implementation comprises establishing isochronous connection between a source AV device and a destination AV device. Each AV device includes multiple I/O ports for connecting the AV device to another AV device via a communication link comprising multiple communication lanes. The isochronous connection is established by determining end-to-end temporal and spatial lane availability between the source AV device and the destination AV device to support a target date rate. Communication resources are allocated on the available lanes based on the target date rate for isochronous communication between the source AV device and the destination AV device.

摘要翻译： 音频/视频（AV）设备之间的同步通信方法和系统。 一个实现包括在源AV设备和目的地AV设备之间建立等时连接。 每个AV设备包括用于经由包括多个通信线路的通信链路将AV设备连接到另一个AV设备的多个I / O端口。 通过确定源AV设备和目的地AV设备之间的端到端时间和空间通道可用性以支持目标日期速率来建立同步连接。 基于源AV设备和目的地AV设备之间的等时通信的目标日期速率，在可用通道上分配通信资源。