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    • 54. 发明授权
    • Multi-standard front end using wideband data converters
    • 多标准前端采用宽带数据转换器
    • US09363116B2
    • 2016-06-07
    • US14284030
    • 2014-05-21
    • Broadcom Corporation
    • Ray (Ramon) GomezLen Dauphinee
    • H04L27/06H04B1/38H04J3/04H04L27/00H04Q11/04H04J1/08H04L5/08
    • H04L27/0002H04J1/085H04L5/08H04Q11/0428H04Q2213/13034H04Q2213/13039H04Q2213/13098H04Q2213/13196H04Q2213/13333
    • Embodiments provide an area, cost, and power efficient multi-service transceiver architecture. The multi-service transceiver architecture simplifies receiver/transmitter front ends needed for a multi-service architecture, by replacing significant portions of multiple receiver and/or transmitter front ends with a single ADC and/or DAC, respectively. In embodiments, a plurality of received service contents are combined into one composite analog/RF signal and applied to an ADC. The ADC converts the composite signal into a composite multi-service digital signal. Digital techniques are then used to separate the plurality of service contents into a plurality of respective digital streams that each can be independently demodulated. Similarly, in the transmit direction, a plurality of digital streams, including a plurality of service contents, are combined into one composite digital signal. The composite digital signal is applied to a DAC to generate a composite multi-service analog/RF signal for subsequent transmission over a coaxial cable or wirelessly via an antenna.
    • 实施例提供了面积,成本和功率效率的多业务收发器架构。 通过分别用单个ADC和/或DAC替代多个接收器和/或发射器前端的重要部分,多业务收发器架构简化了多业务架构所需的接收机/发射机前端。 在实施例中,将多个接收到的服务内容组合成一个复合模拟/ RF信号并将其应用于ADC。 ADC将复合信号转换为复合多业务数字信号。 然后使用数字技术将多个服务内容分成多个相应的数字流,每个可以独立地解调。 类似地,在发送方向上,包括多个服务内容的多个数字流被组合成一个复合数字信号。 复合数字信号被施加到DAC以产生复合多业务模拟/ RF信号,用于通过同轴电缆进行随后的传输或通过天线无线地进行传输。
    • 55. 发明申请
    • Multi-Standard Front End Using Wideband Data Converters
    • 多标准前端使用宽带数据转换器
    • US20130077544A1
    • 2013-03-28
    • US13243117
    • 2011-09-23
    • Ray (Ramon) GOMEZLen Dauphinee
    • Ray (Ramon) GOMEZLen Dauphinee
    • H04W4/00H04L5/00
    • H04L27/0002H04J1/085H04L5/08H04Q11/0428H04Q2213/13034H04Q2213/13039H04Q2213/13098H04Q2213/13196H04Q2213/13333
    • Embodiments provide an area, cost, and power efficient multi-service transceiver architecture. The multi-service transceiver architecture simplifies receiver/transmitter front ends needed for a multi-service architecture, by replacing significant portions of multiple receiver and/or transmitter front ends with a single ADC and/or DAC, respectively. In embodiments, a plurality of received service contents are combined into one composite analog/RF signal and applied to an ADC. The ADC converts the composite signal into a composite multi-service digital signal. Digital techniques are then used to separate the plurality of service contents into a plurality of respective digital streams that each can be independently demodulated. Similarly, in the transmit direction, a plurality of digital streams, including a plurality of service contents, are combined into one composite digital signal. The composite digital signal is applied to a DAC to generate a composite multi-service analog/RF signal for subsequent transmission over a coaxial cable or wirelessly via an antenna.
    • 实施例提供了面积,成本和功率效率的多业务收发器架构。 通过分别用单个ADC和/或DAC替代多个接收器和/或发射器前端的重要部分,多业务收发器架构简化了多业务架构所需的接收机/发射机前端。 在实施例中,将多个接收到的服务内容组合成一个复合模拟/ RF信号并将其应用于ADC。 ADC将复合信号转换为复合多业务数字信号。 然后使用数字技术将多个服务内容分成多个相应的数字流,每个可以独立地解调。 类似地,在发送方向上,包括多个服务内容的多个数字流被组合成一个复合数字信号。 复合数字信号被施加到DAC以产生复合多业务模拟/ RF信号,用于通过同轴电缆进行随后的传输或通过天线无线地进行传输。
    • 60. 发明授权
    • Spot beam hopping packet scheduler system in satellite communication
    • 点波束跳频分组调度系统在卫星通信中
    • US06980530B2
    • 2005-12-27
    • US10174080
    • 2002-06-18
    • Naveen S. Reddy
    • Naveen S. Reddy
    • H04B7/204H04L12/56H04B7/185
    • H04L47/623H04B7/2041H04L47/14H04L47/50H04L49/90H04L49/901H04Q2213/131H04Q2213/13103H04Q2213/13296H04Q2213/13333
    • A spot beam hopping packet scheduler system performs efficient switching over links such as hopped spot beams which compete with each other for physical properties and resources. The spot beam hopping packet scheduler system provides statistical weighting and prioritization capabilities while accommodating resource competing links such as wireless hopped spot beams. The spot beam hopping packet scheduler system receives downlink cell ID and packet burst memory pointers from a burst assembly/congestion controller and provides packet burst information to antenna controller and modulators. The spot beam hopping packet scheduler system includes a downlink queue that is coupled to the burst assembly/congestion controller and receives the downlink cell ID and packet burst memory pointers. A cache is coupled to the downlink queue and receives and stores data from the downlink queue. A downlink search controller is coupled to the downlink queue and the cache and includes control logic operative to search the downlink queue for packet bursts, and fill any empty cache slots with appropriate data from the downlink queue. A cache search controller is coupled to the cache and includes control logic operative to search the cache in a pre-configured weighted order for compatible packet bursts based on beam angle interference, beam amplifier power and aggregate target power.
    • 点波束分组调度器系统对诸如跳频点波束之类的链路进行有效切换,这些链路彼此竞争用于物理属性和资源。 点波束跳转分组调度系统提供统计加权和优先化能力,同时容纳诸如无线跳频点波束之类的资源竞争链路。 点波束分组调度器系统从突发组合/拥塞控制器接收下行链路小区ID和分组突发存储器指针,并向天线控制器和调制器提供分组突发信息。 点波束分组调度器系统包括耦合到突发组合/拥塞控制器并且接收下行链路小区ID和分组突发存储器指针的下行链路队列。 缓存耦合到下行链路队列,并接收并存储来自下行链路队列的数据。 下行链路搜索控制器耦合到下行链路队列和高速缓存,并且包括可操作以搜索下行链路队列以进行分组突发的控制逻辑,并且使用来自下行链路队列的适当数据填充任何空的高速缓存时隙。 高速缓存搜索控制器耦合到高速缓存,并且包括控制逻辑,其可操作以基于波束角干扰,波束放大器功率和聚合目标功率以预配置的加权顺序搜索用于兼容分组突发的高速缓存。