公开(公告)号：US20110188459A1

公开(公告)日：2011-08-04

申请号：US12699596

申请日：2010-02-03

申请人： RAGHURAMAN KRISHNAMOORTHI ,  Gordon Kent Walker ,  Fuyun Ling

发明人： RAGHURAMAN KRISHNAMOORTHI ,  Gordon Kent Walker ,  Fuyun Ling

IPC分类号： H04W72/04

CPC分类号： H04N21/631 ,  H04N21/2383 ,  H04N21/2385 ,  H04N21/4382

摘要： Methods, systems, and apparatus, including computer programs encoded on computer readable storage media, for increasing utilization of transmission resources by mapping data from a block of layered codec data onto a plurality of logical channels for transmission of the mapped data. Resource utilization may also be improved by mapping data from at least two layers of a block of layered of codec data onto a logical channel that supports only a single data channel carried by a transmit modulation scheme.

摘要翻译： 方法，系统和装置，包括在计算机可读存储介质上编码的计算机程序，用于通过将来自分层编解码器数据块的数据映射到用于传输映射数据的多个逻辑信道上的数据来增加传输资源的利用。 也可以通过将来自编解码器数据分层的至少两层的数据映射到仅支持由发送调制方案承载的单个数据信道的逻辑信道上来提高资源利用。

公开(公告)号：US20110075638A1

公开(公告)日：2011-03-31

申请号：US12911655

申请日：2010-10-25

申请人： Gordon Kent Walker ,  Viayalakshimi R. Raveendran ,  Christopher John Bennett

发明人： Gordon Kent Walker ,  Viayalakshimi R. Raveendran ,  Christopher John Bennett

IPC分类号： H04W72/04

CPC分类号： H04L1/0041 ,  H04L5/0007 ,  H04N9/8063 ,  H04N19/00 ,  H04N19/70 ,  H04N21/2365 ,  H04N21/23655 ,  H04N21/2385 ,  H04N21/2389 ,  H04N21/2401 ,  H04N21/4347 ,  H04N21/4385 ,  H04N21/64315

摘要： The disclosure is directed to a multi-channel encoder. The multi-channel encoder is configured to generate an encoded data stream. The multi-channel encoder includes a plurality of channel encoders, and a processor configured to allocate time slots in the encoded data stream to each of the channel encoders to vary the rate of data provided by each of the channel encoders into the encoded data stream.

摘要翻译： 本公开针对多通道编码器。 多通道编码器被配置为生成编码数据流。 多通道编码器包括多个通道编码器，以及处理器，被配置为将编码数据流中的时隙分配给每个通道编码器，以将每个通道编码器提供的数据速率改变为编码数据流。

公开(公告)号：US20090279471A1

公开(公告)日：2009-11-12

申请号：US12506055

申请日：2009-07-20

申请人： Rajiv Vijayan ,  Fuyun Ling ,  Gordon Kent Walker ,  Ramaaswamy Murali ,  Ashok Mantravadi ,  Anand Subramaniam ,  Krishnamurthy Viswanathan

发明人： Rajiv Vijayan ,  Fuyun Ling ,  Gordon Kent Walker ,  Ramaaswamy Murali ,  Ashok Mantravadi ,  Anand Subramaniam ,  Krishnamurthy Viswanathan

IPC分类号： H04H20/71 ,  H04L27/28

CPC分类号： H04L5/0041 ,  H04L5/0007 ,  H04L5/0044 ,  H04L5/0048 ,  H04L12/189 ,  H04W72/005

摘要： To broadcast different types of transmission having different tiers of coverage in a wireless broadcast network, each base station processes data for a wide-area transmission in accordance with a first mode (or coding and modulation scheme) to generate data symbols for the wide-area transmission and processes data for a local transmission in accordance with a second mode to generate data symbols for the local transmission. The first and second modes are selected based on the desired coverage for wide-area and local transmissions, respectively. The base station also generates pilots and overhead information for local and wide-area transmissions. The data, pilots, and overhead information for local and wide-area transmissions are multiplexed onto their transmission spans, which may be different sets of frequency subbands, different time segments, or different groups of subbands in different time segments. More than two different types of transmission may also be multiplexed and broadcast.

摘要翻译： 为了在无线广播网络中广播具有不同层次的不同类型的传输，每个基站根据第一模式（或编码和调制方案）处理广域传输的数据，以产生广域的数据符号 根据第二模式传输和处理用于本地传输的数据，以产生用于本地传输的数据符号。 分别基于广域和本地传输的期望覆盖来选择第一和第二模式。 基站还为本地和广域传输生成导频和开销信息。 用于本地和广域传输的数据，导频和开销信息被复用到它们的传输跨度，其可以是不同组的频率子带，不同时间段或不同时间段中的不同子带组。 多于两种不同类型的传输也可以被复用和广播。

公开(公告)号：US07555012B2

公开(公告)日：2009-06-30

申请号：US11122493

申请日：2005-05-04

申请人： Gordon Kent Walker

发明人： Gordon Kent Walker

IPC分类号： H04J1/00

CPC分类号： H04N21/458 ,  H04N7/165 ,  H04N21/23424 ,  H04N21/2365 ,  H04N21/4347 ,  H04N21/4383 ,  H04N21/4524 ,  H04N21/4542 ,  H04N21/6543

摘要： A method for blackout and retune distribution including receiving a first wide area multiplexed feed, the first wide area multiplexed feed comprising a blacked out feed; and generating a requantized local service feed from a local replacement plus retune service feed, the local replacement plus retune service feed having a retune feed corresponding to a retune programming for the blacked out feed, wherein the requantized local service feed is to be combined with the first wide area multiplexed feed for transmission as a part of an aggregate local outbound traffic. A computer-readable medium, a apparatus and a means for blackout and retune distribution is also disclosed.

摘要翻译： 一种用于停电和重调分配的方法，包括接收第一广域复用馈送，所述第一广域复用馈送包括被黑化的馈送; 以及从本地替换加重调整服务馈送生成重新量化的本地服务馈送，所述本地替换加重调服务馈送具有对应于用于所述被黑化的馈送的重调节目的调谐馈送，其中所述重新量化的本地服务馈送将与 第一广域多路复用馈送作为集合本地出站业务的一部分进行传输。 还公开了一种计算机可读介质，装置和用于停电和重调分配的装置。

公开(公告)号：US20080291860A1

公开(公告)日：2008-11-27

申请号：US11751631

申请日：2007-05-21

申请人： Rajiv Vijayan ,  Aamod Khandekar ,  Fuyun Ling ,  Gordon Kent Walker ,  Ramaswamy Murali

发明人： Rajiv Vijayan ,  Aamod Khandekar ,  Fuyun Ling ,  Gordon Kent Walker ,  Ramaswamy Murali

IPC分类号： H04J3/24

CPC分类号： H04W52/0209 ,  H04B7/12 ,  H04L1/0057 ,  H04L1/0065 ,  H04L1/0071 ,  H04L1/0083 ,  H04L5/0007 ,  H04L5/0044 ,  H04L5/0048 ,  H04L5/0053 ,  H04L5/06 ,  H04L25/0224 ,  H04L27/2602 ,  H04N21/2383 ,  H04N21/4382 ,  H04N21/6112 ,  H04W4/06 ,  H04W28/06 ,  H04W72/04 ,  Y02D70/166 ,  Y02D70/168 ,  Y02D70/442

摘要： Techniques for multiplexing and transmitting multiple data streams are described. Transmission of the multiple data streams occurs in “super-frames”. Each super-frame has a predetermined time duration and is further divided into multiple (e.g., four) frames. Each data block for each data stream is outer encoded to generate a corresponding code block. Each code block is partitioned into multiple subblocks, and each data packet in each code block is inner encoded and modulated to generate modulation symbols for the packet. The multiple subblocks for each code block are transmitted in the multiple frames of the same super-frame, one subblock per frame. Each data stream is allocated a number of transmission units in each super-frame and is assigned specific transmission units to achieve efficient packing. A wireless device can select and receive individual data streams.

摘要翻译： 描述用于复用和传输多个数据流的技术。 多个数据流的传输发生在“超帧”中。 每个超帧具有预定的持续时间并进一步分为多个（例如，四个）帧。 每个数据流的每个数据块被外部编码以生成相应的代码块。 每个码块被划分成多个子块，并且每个码块中的每个数据分组被内部编码和调制以产生分组的调制符号。 每个码块的多个子块在相同超帧的多个帧中传送，每帧一个子块。 每个数据流在每个超帧中被分配多个传输单元，并被分配特定的传输单元以实现有效的打包。 无线设备可以选择和接收各个数据流。

公开(公告)号：US20080127258A1

公开(公告)日：2008-05-29

申请号：US11941014

申请日：2007-11-15

申请人： Gordon Kent Walker ,  Vijayalakshmi R. Raveendran ,  Serafim S. Loukas ,  Seyfullah Halit Oguz ,  Fang Shi ,  Sitaraman Ganapathy Subramania ,  Phanikumar Bhamidipati ,  James T. Determan

发明人： Gordon Kent Walker ,  Vijayalakshmi R. Raveendran ,  Serafim S. Loukas ,  Seyfullah Halit Oguz ,  Fang Shi ,  Sitaraman Ganapathy Subramania ,  Phanikumar Bhamidipati ,  James T. Determan

IPC分类号： H04N5/445

CPC分类号： H04N7/163 ,  H04N21/234327 ,  H04N21/235 ,  H04N21/278 ,  H04N21/4316 ,  H04N21/435 ,  H04N21/4384 ,  H04N21/44004 ,  H04N21/4438 ,  H04N21/47 ,  H04N21/4858 ,  H04N21/6405

摘要： Techniques for video encoding and decoding a common guide media logic channel (MLC) to enable fast acquisition and re/synchronization of the video stream while preserving compression efficiency are provided. Systems and methods to process multimedia data using channel switch frames are presented. The system comprises an encoder operative to generate a common guide media logical channel (MLC) of a plurality of channel switch frames (CSFs), each respective active channel having one or more CSFs in the guide MLC. The decoder in the system is operative to decode a set of the plurality of CSFs from the guide MLC. The decoder simultaneously displays programming content of the decoded set of the plurality of CSFs on a display and automatically switches to a primary bitstream of an active channel associated with a selected one displayed CSF.

摘要翻译： 提供了用于视频编码和解码通用引导媒体逻辑信道（MLC）的技术，以实现视频流的快速采集和再同步，同时保持压缩效率。 介绍了使用信道交换帧处理多媒体数据的系统和方法。 该系统包括编码器，其可操作以生成多个信道切换帧（CSF）的公共引导媒体逻辑信道（MLC），每个相应的活动信道在引导MLC中具有一个或多个CSF。 系统中的解码器可操作以从引导MLC解码多个CSF的集合。 解码器同时在显示器上显示多个CSF的解码集合的编程内容，并且自动切换到与所选择的所显示的CSF相关联的活动信道的主比特流。

公开(公告)号：US20070153924A1

公开(公告)日：2007-07-05

申请号：US11516910

申请日：2006-09-06

申请人： Fuyun Ling ,  Krishna Kiran Mukkavilli ,  Gordon Kent Walker

发明人： Fuyun Ling ,  Krishna Kiran Mukkavilli ,  Gordon Kent Walker

IPC分类号： H04K1/10

CPC分类号： H04L1/20 ,  H04L27/2602 ,  H04L27/2647

摘要： Methods and apparatus for noise estimation in a communication system. In an aspect, a method for noise and interference estimation is provided. The method includes identifying one or more unmodulated subcarriers in a received waveform, processing the one or more unmodulated subcarriers to produce a demodulated output, and determining a noise variance based on the demodulated output. In another aspect, an apparatus for providing a noise and interference estimation is provided. The apparatus includes selection logic configured to identify one or more unmodulated subcarriers in a received waveform, a processor configured to demodulate the one or more unmodulated subcarriers to produce a demodulated output, and variance determination logic configured to determine a noise variance based on the demodulated output.

摘要翻译： 通信系统中噪声估计的方法和装置。 在一方面，提供了一种用于噪声和干扰估计的方法。 该方法包括识别接收波形中的一个或多个未调制副载波，处理一个或多个未调制副载波以产生解调输出，以及基于解调输出确定噪声方差。 另一方面，提供了一种用于提供噪声和干扰估计的装置。 所述设备包括被配置为识别接收波形中的一个或多个未调制子载波的选择逻辑，被配置为对所述一个或多个未调制子载波进行解调以产生解调输出的处理器，以及配置为基于解调输出来确定噪声方差的方差确定逻辑 。

公开(公告)号：US06445247B1

公开(公告)日：2002-09-03

申请号：US09872845

申请日：2001-06-01

申请人： Gordon Kent Walker

发明人： Gordon Kent Walker

IPC分类号： H03F338

CPC分类号： H03F1/0222 ,  H03F1/0266 ,  H03F1/0277 ,  H03F2203/7239

摘要： A novel and improved circuit and method for amplifying an input signal. The circuit includes an amplifier circuit having an input for receiving the input signal, and an amplifier control circuit, coupled to the amplifier circuit, for varying a supply power and a device periphery of the amplifier circuit in response to an amplitude envelope of the input signal. In this manner, the amplifier control circuit can control the linearity and the efficiency of the amplifier circuit using the characteristics of the input signal itself, without relying on any external processing.

摘要翻译： 一种用于放大输入信号的新颖和改进的电路和方法。 电路包括具有用于接收输入信号的输入的放大器电路和耦合到放大器电路的放大器控制电路，用于响应于输入信号的幅度包络来改变放大器电路的电源功率和器件周边 。 以这种方式，放大器控制电路可以使用输入信号本身的特性来控制放大器电路的线性度和效率，而不依赖任何外部处理。

公开(公告)号：US5659883A

公开(公告)日：1997-08-19

申请号：US934766

申请日：1992-08-24

申请人： Gordon Kent Walker ,  Branislav Petrovic ,  Ashok K. George

发明人： Gordon Kent Walker ,  Branislav Petrovic ,  Ashok K. George

IPC分类号： H03J1/00 ,  H03J9/06 ,  H04B7/04

CPC分类号： H03J9/06 ,  H03J1/0008

摘要： In a remote-control communication system, a signal generating unit includes a first signal transmitter for transmitting a first signal at a first frequency, such as UHF, a second signal transmitter for transmitting a second signal at a second frequency, such as an infrared frequency, that is diverse from the first frequency; a keyboard for generating an information signal containing a given message, which is modulated onto both the first signal and the second signal; wherein both the first and second modulated signals are transmitted in response to a key of the keyboard being pressed to generate the information signal. A receiver for the system includes a microcontroller for processing the given message to control a given operation of an electronic communication apparatus; a UHF detector and demodulator unit and an infrared detector and demodulator unit, which respectively detect and demodulate the first and second modulated signals to provide the information signal containing the given message. The microcontroller also processes both the information signal provided by demodulating the first modulated signal and the information signal provided by demodulating the second modulated signal to select the given message for operation-control processing by the microcontroller from either the information signal provided by demodulating the first modulated signal or the information signal provided by demodulating the second modulated signal.

摘要翻译： 在遥控通信系统中，信号发生单元包括用于发送第一频率的第一信号（例如UHF）的第一信号发射机，用于以第二频率（例如红外频率）发射第二信号的第二信号发射机 ，从第一个频率是不同的; 用于产生包含调制到第一信号和第二信号两者上的给定消息的信息信号的键盘; 其中所述第一和第二调制信号都响应于所述键盘的键被按压而被发送以产生所述信息信号。 该系统的接收机包括用于处理给定消息以控制电子通信设备的给定操作的微控制器; UHF检测器和解调器单元以及红外检测器和解调器单元，其分别检测和解调第一和第二调制信号以提供包含给定消息的信息信号。 微控制器还通过解调第一调制信号提供的信息信号和通过解调第二调制信号提供的信息信号来选择给定消息，以由微控制器从由解调第一调制信号提供的信息信号 信号或通过解调第二调制信号而提供的信息信号。

公开(公告)号：US20180316740A1

公开(公告)日：2018-11-01

申请号：US15765977

申请日：2016-10-14

申请人： Thomas STOCKHAMMER ,  Xipeng ZHU ,  Gordon Kent WALKER ,  QUALCOMM Incorporated

发明人： Thomas Stockhammer ,  Xipeng Zhu ,  Gordon Kent Walker

IPC分类号： H04L29/06 ,  H04L29/08 ,  H04N21/44 ,  H04N21/845

CPC分类号： H04L29/06 ,  H04L29/08 ,  H04N21/26241 ,  H04N21/26258 ,  H04N21/4331 ,  H04N21/64322 ,  H04N21/8456

摘要： A client device includes a memory comprising a buffer for buffering data having real-time constraints and a hardware-based processor comprising digital logic circuitry. The processor is configured to execute a real-time application configured to determine times during which the data will be available for download, determine a time at which the data is needed to prevent a buffer underrun for the buffer, and when the data is available, send a request for the data and deadline information representative of the time at which the data is needed to avoid the buffer underrun. In this manner, a sending device can prioritize delivery of the requested data to prevent the buffer underrun for the client device.