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    • 5. 发明授权
    • Multicast data services and broadcast signal markup stream for interactive broadcast systems
    • 用于交互式广播系统的组播数据业务和广播信号标记流
    • US07861275B1
    • 2010-12-28
    • US09536276
    • 2000-03-27
    • Asha VellaikalYongguang ZhangSon K. Dao
    • Asha VellaikalYongguang ZhangSon K. Dao
    • H04N7/173
    • H04N21/4725H04N7/17318H04N21/234318H04N21/4622H04N21/4782H04N21/4788H04N21/6143H04N21/6175H04N21/6377H04N21/8583
    • A system and method for producing and receiving interactive broadcasting having a broadcast signal with a hypermedia channel and a logical multicast data channel. The logical multicast data channel has a broadcast signal markup stream (BSMS). The system users have a receiver with an interactivity module and a communication module. The BSMS allows user selectable objects to be displayed to users of the system. BSMS objects can be generated by combining speech recognition, language (and optionally video) processing, and keyword searches. By selecting objects various information relating to those objects may be displayed to users. A portion of the logical multicast channel may be employed to provide interactivity between users. A variation eliminates the BSMS either by employing a markup stream server to provide access links or by generating link content directly in the receiver by the same process.
    • 一种用于产生和接收具有超媒体信道和逻辑多播数据信道的广播信号的交互式广播的系统和方法。 逻辑多播数据信道具有广播信号标记流(BSMS)。 系统用户具有具有交互模块和通信模块的接收器。 BSMS允许用户可选择的对象显示给系统的用户。 BSMS对象可以通过组合语音识别,语言(和可选的视频)处理和关键字搜索来生成。 通过选择对象,可以向用户显示与这些对象有关的各种信息。 可以采用逻辑多播信道的一部分来提供用户之间的交互性。 变体消除了BSMS,即通过采用标记流服务器来提供接入链路,或者通过相同的过程在接收机中直接生成链路内容。
    • 6. 发明申请
    • SCALABLE INTERCONNECTION OF DATA CENTER SERVERS USING TWO PORTS
    • 使用两个端口的数据中心服务器的可伸缩互连
    • US20100153523A1
    • 2010-06-17
    • US12336228
    • 2008-12-16
    • Dan LiChuanxiong GuoKun TanHaitao WuYongguang Zhang
    • Dan LiChuanxiong GuoKun TanHaitao WuYongguang Zhang
    • G06F15/173G06F15/16
    • H04L45/00H04L45/26H04L67/1097
    • Large numbers of commodity servers in a data center may be inexpensively interconnected using low-cost commodity network switches, a first network port on each commodity server, a second network port on each commodity server, and a traffic-aware routing module executed on each commodity server. Connecting two or more commodity servers via the first network ports on each server to a commodity network switch forms a unit. Connecting two commodity servers in different units forms a group. Each unit has a direct connection via a second network port on a commodity server in the unit to another unit. Each group may have a direct connection via a second network port on a commodity server in the group to another group. Traffic-aware routing modules executed on each commodity server determine routing of data between servers and balance traffic across the first and second ports.
    • 数据中心中的大量商品服务器可以使用低成本商品网络交换机,每个商品服务器上的第一网络端口,每个商品服务器上的第二网络端口以及在每个商品上执行的流量感知路由模块来廉价互连 服务器。 通过每个服务器上的第一个网络端口将两个或多个商品服务器连接到商品网络交换机,形成一个单元。 连接不同单位的两个商品服务器组成一个组。 每个单元通过单元中商品服务器上的第二个网络端口直接连接到另一个单元。 每个组可以通过组中的商品服务器上的第二网络端口直接连接到另一组。 在每个商品服务器上执行的流量感知路由模块确定服务器之间的数据路由,并平衡第一和第二端口的流量。
    • 7. 发明申请
    • Software-Defined Radio Platform Based Upon Graphics Processing Unit
    • 基于图形处理单元的软件定义无线电平台
    • US20090323784A1
    • 2009-12-31
    • US12147480
    • 2008-06-27
    • Francois DepienneFan YangYuankai GeYongguang Zhang
    • Francois DepienneFan YangYuankai GeYongguang Zhang
    • H04B1/38
    • H04H20/61H04H60/80H04W4/18H04W88/02
    • Described is using a graphic processing unit (GPU) as a programming platform to implement radio communication technologies. A software defined radio platform is implemented via a graphics processing unit (GPU). The GPU includes modules, corresponding to kernels, that process an incoming bitstream (e.g., from a CPU) into baseband signals for output by radio frequency hardware. Example modules include a PLCP module, a scrambler, an encoder, a puncturer, an interleaver, a mapper, a pilot insertion module, an OFDM module, and cyclic prefix and/or windowing modules. Other example modules/kernels convert a received baseband signal into a bitstream for consumption by a CPU or the like. In one example, an IEEE 802.11a transceiver is operated by the GPU-based software defined radio platform.
    • 描述的是使用图形处理单元(GPU)作为编程平台来实现无线电通信技术。 软件定义的无线电平台通过图形处理单元(GPU)来实现。 GPU包括对应于内核的模块,其将输入比特流(例如,从CPU)处理成基带信号以由射频硬件输出。 示例模块包括PLCP模块,扰码器,编码器,穿孔器,交织器,映射器,导频插入模块,OFDM模块以及循环前缀和/或开窗模块。 其他示例性模块/内核将接收的基带信号转换为比特流以供CPU等等使用。 在一个示例中,IEEE 802.11a收发器由基于GPU的软件定义的无线电平台操作。
    • 10. 发明授权
    • Mobile and wireless information dissemination architecture and protocols
    • 移动和无线信息传播架构和协议
    • US5915207A
    • 1999-06-22
    • US589274
    • 1996-01-22
    • Son K. DaoYongguang ZhangEddie C. ShekAsha Vellaikal
    • Son K. DaoYongguang ZhangEddie C. ShekAsha Vellaikal
    • H04B7/15H04B7/26H04H20/38H04H20/42H04H20/72H04H20/74H04H60/92H04M3/00H04B1/60H04B7/212H04B7/216H04Q7/32
    • H04H20/38H04H20/42H04H20/72H04H20/74H04H60/92
    • A device for implementing a multimedia communication dissemination system is disclosed herein. The communication system integrates heterogeneous satellite transmission systems, local area computer networks, and the public telephone system to implement a flexible, high-speed communication system. The preferred communication dissemination system includes a broadcast server for broadcasting an information signal, a mobile base station for receiving the information signal broadcast from the broadcast server, and a local area network for distributing information received by the mobile base station. The preferred mobile base station includes a receiver for receiving information signals transmitted from a broadcast server, a network interface for distributing processed information signals, and a software proxy process for processing information signals. A software proxy process controls the dissemination of information through the network. The software proxy process provides filter and protocol functions to facilitate interconnection between heterogenous communication systems.
    • 本文公开了一种用于实现多媒体通信传播系统的装置。 通信系统集成了异构卫星传输系统,局域网计算机网络和公共电话系统,实现了灵活的高速通信系统。 优选的通信发布系统包括用于广播信息信号的广播服务器,用于接收从广播服务器广播的信息信号的移动基站和用于分发由移动基站接收的信息的局域网。 优选的移动基站包括用于接收从广播服务器发送的信息信号的接收机,用于分发处理后的信息信号的网络接口,以及用于处理信息信号的软件代理处理。 软件代理过程控制通过网络传播信息。 软件代理过程提供过滤器和协议功能,以促进异构通信系统之间的互连。