会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 1. 发明申请
    • Modulation Device and Modulation Method, and Demodulation Device and Demodulation Method
    • 调制装置和调制方法,解调装置和解调方法
    • US20130107341A1
    • 2013-05-02
    • US13333247
    • 2011-12-21
    • Tao ZengQi YangZhu YangShaohua Yu
    • Tao ZengQi YangZhu YangShaohua Yu
    • G02B26/00G02F2/00
    • H04B10/548H04B10/5055H04B10/61
    • A modulation device and method, and a demodulation device and method are provided. The modulation device modulates plural baseband signals to generate an optical signal, and comprises: plural modulation units for modulating plural electrical carriers with different frequencies by using the baseband signals respectively, to generate corresponding electrical modulated signals; a synthesizer for synthesizing the electrical modulated signals to generate a single electrical synthesized signal; an optical modulation unit for modulating a single optical carrier by using the electrical synthesized signal to generate the optical signal, wherein signal components corresponding to the baseband signals in the optical signal are distributed on both sides of a carrier frequency of the optical carrier at a predetermined frequency interval. Thus, processing on a high-speed baseband signal may be divided into processing on multiple relatively low-speed baseband signals, overcoming a bottleneck caused by sampling rates of a digital-analog converter and an analog-digital converter.
    • 提供了调制装置和方法以及解调装置和方法。 调制装置调制多个基带信号以产生光信号,并且包括:分别通过使用基带信号调制具有不同频率的多个电载波的多个调制单元,以产生相应的电调制信号; 合成器,用于合成电调制信号以产生单个电合成信号; 光调制单元,用于通过使用电合成信号来调制单个光载波以产生光信号,其中对应于光信号中的基带信号的信号分量以预定的光载波的载波频率的两侧分布 频率间隔。 因此,可以将高速基带信号的处理划分为多个相对低速的基带信号的处理,克服了由数模转换器和模拟数字转换器的采样率引起的瓶颈。
    • 2. 发明授权
    • Internet real-time deep packet inspection and control device and method
    • 互联网实时深度包检测和控制装置及方法
    • US08369334B2
    • 2013-02-05
    • US12651691
    • 2010-01-04
    • Shaohua Yu
    • Shaohua Yu
    • H04L12/56
    • H04L47/10H04L63/0245
    • A deep packet inspection and control device includes a first rule table unit for storing a rule table including a first set of rule entries which are pre-defined or generated dynamically; a first scanning unit for receiving a first real-time packet data stream from the internet, and scanning the first real-time packet data stream according to a scanning window defined by the first set of rule entries; a first analysis unit for matching the first real-time packet data stream with the first set of rule entries in the scanning window of the first scanning unit, and outputting a matching result; and a first rule linkage unit for performing linkage control on the first real-time packet data stream to be output back to the internet according to the matching result output from the first analysis unit.
    • 深度包检测和控制装置包括:第一规则表单元,用于存储包括动态地预定义或生成的第一组规则条目的规则表; 第一扫描单元,用于从互联网接收第一实时分组数据流,并且根据由第一组规则条目定义的扫描窗口扫描第一实时分组数据流; 第一分析单元,用于将第一实时分组数据流与第一扫描单元的扫描窗口中的第一组规则条目进行匹配,并输出匹配结果; 以及第一规则联动单元,用于根据从第一分析单元输出的匹配结果,对第一实时分组数据流执行链接控制以输出回互联网。
    • 3. 发明申请
    • Reconfigurable Optical Add/Drop Multiplexer and Reconfigurable Optical Add/Drop Multiplexing Method
    • 可重配置的光分插复用器和可重配置的光分插复用方法
    • US20120294618A1
    • 2012-11-22
    • US13333331
    • 2011-12-21
    • Shaohua YuShanhong YouGangxiang ShenZhu YangQi Yang
    • Shaohua YuShanhong YouGangxiang ShenZhu YangQi Yang
    • H04J14/02
    • H04B10/275H04J14/0204H04J14/0212H04J14/0213H04J14/0217
    • A reconfigurable optical add/drop multiplexer and a reconfigurable optical add/drop multiplexing method are provided. The reconfigurable optical add/drop multiplexer comprises: an optical processing unit for receiving a first optical signal containing a plurality of optical channels, processing the first optical signal to generate a second optical signal which is a part of the first optical signal, and outputting the second optical signal; and a coherent detection unit for performing a coherent detection on the second optical signal so as to separate from the second optical signal an optical channel contained therein, and outputting the optical channel. With the reconfigurable optical add/drop multiplexer and the reconfigurable optical add/drop multiplexing method, any number of degrees can be supported, and adding/dropping of an optical channel with any wavelength and any bandwidth to/from any direction can be achieved, so that requirements of being colorless, directionless, contentionless and gridless can be satisfied.
    • 提供了可重新配置的光分插复用器和可重配置的光分插复用方法。 可重构光分插复用器包括:光处理单元,用于接收包含多个光通道的第一光信号,处理第一光信号以产生作为第一光信号的一部分的第二光信号,并输出 第二光信号; 以及相干检测单元,用于对第二光信号执行相干检测,以便与第二光信号分离包含在其中的光通道,并输出光通道。 利用可重配置的光分插复用器和可重配置的光分插复用方法,可以支持任意数量的度数,并且可以实现任何波长和任何带宽的光信道向/从任何方向的添加/丢弃,所以 可以满足无色,无方向,无争议和无格的要求。
    • 4. 发明申请
    • System, Devices and Methods for Subcarrier Recovery at Local Oscillator Frequency in Optical OFDM System
    • 系统,器件和方法在光OFDM系统中本地振荡器频率下的副载波恢复
    • US20120141138A1
    • 2012-06-07
    • US12959874
    • 2010-12-03
    • Qi YANGZhixue HEWu LIUWilliam SHIEHIvan B. DJORDJEVICZhu YANGShaohua YU
    • Qi YANGZhixue HEWu LIUWilliam SHIEHIvan B. DJORDJEVICZhu YANGShaohua YU
    • H04B10/02H04B10/00
    • H04L27/2096H04B10/548H04B10/611H04L1/0003H04L1/0057H04L27/223H04L27/2634H04L27/2697
    • The invention provides methods, devices and a system for recovering the corrupted subcarrier at the local oscillator (LO) frequency in coherent optical OFDM transmission. The method includes performing advanced coding on a data signal to obtain an encoded signal; performing high order modulation on the encoded signal to obtain a high-order-modulated signal; performing OFDM modulation on the high-order-modulated signal to obtain an electrical OFDM signal; and performing up-conversion on the electrical OFDM signal to obtain an optical OFDM signal to be output. The inventive technique of employing advanced coding with low rate combining with higher order modulation can be used to reduce the decoding bit error ratio (bit error rate) level, so that the LO subcarrier can be fully recovered while the bandwidth of the transmitted signal may be substantially the same as the existing optical OFDM system, and there is no need to add any feedback control module or feedback loop support or the like to the existing optical OFDM system, so that the complexity of the receiving side can be reduced.
    • 本发明提供用于在相干光OFDM传输中恢复本地振荡器(LO)频率处的损坏子载波的方法,装置和系统。 该方法包括对数据信号执行高级编码以获得编码信号; 对编码信号执行高阶调制以获得高阶调制信号; 对高阶调制信号进行OFDM调制以获得电子OFDM信号; 并对电子OFDM信号执行上变频以获得要输出的光OFDM信号。 可以使用以较低速率组合高阶调制的高级编码的本发明技术来减少解码误码率(误码率)电平,使得LO子载波可以完全恢复,而发射信号的带宽可以是 与现有的光学OFDM系统基本相同,并且不需要向现有的光学OFDM系统添加任何反馈控制模块或反馈环路支持等,从而可以减少接收侧的复杂性。
    • 5. 发明授权
    • Multiple service ring of N-ringlet structure based on multiple FE, GE and 10GE
    • 基于多个FE,GE和10GE的N-ringlet结构的多业务环
    • US07778162B2
    • 2010-08-17
    • US10534211
    • 2002-11-06
    • Shaohua Yu
    • Shaohua Yu
    • H04L1/00H04L12/26G06F11/00
    • H04L12/437H04L12/43
    • A data transmission apparatus used in a multiple service ring includes at least two nodes coupled to at least one aggregate pipe and at least one tributary. The data transmission apparatus includes a tributary RX framer coupled to a tributary for deframing data frames received from the tributary and extracting a destination node address and a TX framer for encapsulating the destination node address and the data received from the tributary into frames of the multiple service ring and transmitting the same along an aggregate pipe to a downstream neighbor node in the ring. The data transmission apparatus also includes a RX framer for receiving and deframing data frames of the multiple service ring from a upstream neighbor node to obtain at least a destination node address and actual data, a filter for determining data frames for local node according to the destination node address, and a tributary TX framer for encapsulating the data frames for local node into tributary data frames and sending the tributary data frames to a corresponding tributary.
    • 在多业务环中使用的数据传输装置包括耦合到至少一个集合管道和至少一个支路的至少两个节点。 数据传输装置包括一个分支RX成帧器,它与一个支路相耦合,用于去除从支路接收的数据帧,并提取目的地节点地址;以及TX成帧器,用于将目的地节点地址和从支路接收的数据分组成多个服务的帧 并且沿着聚合管道将其发送到环中的下游相邻节点。 数据发送装置还包括RX成帧器,用于从上游相邻节点接收和解帧多个服务环的数据帧,以获得至少一个目的地节点地址和实际数据;根据目的地确定本地节点的数据帧的过滤器 节点地址和支路TX成帧器,用于将本地节点的数据帧封装成支路数据帧,并将支路数据帧发送到相应的支路。
    • 6. 发明授权
    • Optical communication system, transmission apparatus and reception apparatus, and transmission method and reception method
    • 光通信系统,发送装置和接收装置,以及发送方法和接收方法
    • US09059806B2
    • 2015-06-16
    • US13488659
    • 2012-06-05
    • Qi YangZhu YangShaohua Yu
    • Qi YangZhu YangShaohua Yu
    • H04B10/00H04B10/04H04B10/06H04B10/516H04B10/556H04L27/26
    • H04B10/5161H04B10/5563H04L27/2614H04L27/2636H04L27/2697
    • An optical communication system, a transmission apparatus and a reception apparatus, and a transmission method and a reception method are provided. The transmission apparatus transmits an optical signal, and comprises: at least one encoder for encoding at least one data signal, respectively; at least one first modulator for performing first modulation on the at least one encoded data signal, respectively, and generating at least one first modulated signal; at least one second modulator for performing second modulation, which is DFT-spread-OFDM modulation, on the at least one first modulated signal, respectively, and generating at least one second modulated signal; and an up-converter for up-converting the at least one second modulated signal into the optical signal to be transmitted. Thus, a PAPR of the optical OFDM transmission signal is decreased, a signal distortion caused by non-linearity of optical devices is reduced, and a reception quality of the signal is improved.
    • 提供光通信系统,发送装置和接收装置,以及发送方法和接收方法。 发送装置发送光信号,并且包括:分别对至少一个数据信号进行编码的至少一个编码器; 至少一个第一调制器,分别对所述至少一个编码数据信号执行第一调制,并产生至少一个第一调制信号; 至少一个第二调制器,用于在所述至少一个第一调制信号上分别进行DFT扩频OFDM调制的第二调制,并产生至少一个第二调制信号; 以及上变频器,用于将所述至少一个第二调制信号上变频为待传输的光信号。 因此,光OFDM传输信号的PAPR减小,由于光器件的非线性引起的信号失真降低,信号的接收质量提高。
    • 7. 发明授权
    • Reconfigurable optical add/drop multiplexer and reconfigurable optical add/drop multiplexing method
    • 可重配置的光分插复用器和可重配置的光分插复用方法
    • US08861967B2
    • 2014-10-14
    • US13333331
    • 2011-12-21
    • Shaohua YuShanhong YouGangxiang ShenZhu YangQi Yang
    • Shaohua YuShanhong YouGangxiang ShenZhu YangQi Yang
    • H04J14/02H04B10/275
    • H04B10/275H04J14/0204H04J14/0212H04J14/0213H04J14/0217
    • A reconfigurable optical add/drop multiplexer and a reconfigurable optical add/drop multiplexing method are provided. The reconfigurable optical add/drop multiplexer comprises: an optical processing unit for receiving a first optical signal containing a plurality of optical channels, processing the first optical signal to generate a second optical signal which is a part of the first optical signal, and outputting the second optical signal; and a coherent detection unit for performing a coherent detection on the second optical signal so as to separate from the second optical signal an optical channel contained therein, and outputting the optical channel. With the reconfigurable optical add/drop multiplexer and the reconfigurable optical add/drop multiplexing method, any number of degrees can be supported, and adding/dropping of an optical channel with any wavelength and any bandwidth to/from any direction can be achieved, so that requirements of being colorless, directionless, contentionless and gridless can be satisfied.
    • 提供了可重新配置的光分插复用器和可重配置的光分插复用方法。 可重构光分插复用器包括:光处理单元,用于接收包含多个光通道的第一光信号,处理第一光信号以产生作为第一光信号的一部分的第二光信号,并输出 第二光信号; 以及相干检测单元,用于对第二光信号执行相干检测,以便与第二光信号分离包含在其中的光通道,并输出光通道。 利用可重配置的光分插复用器和可重配置的光分插复用方法,可以支持任意数量的度数,并且可以实现任何波长和任何带宽的光信道向/从任何方向的添加/丢弃,所以 可以满足无色,无方向,无争议和无格的要求。
    • 9. 发明授权
    • Resilient multiple service ring
    • 弹性多服务环
    • US07382789B2
    • 2008-06-03
    • US10504015
    • 2002-02-06
    • Shaohua Yu
    • Shaohua Yu
    • H04L12/56
    • H04L12/42H04J3/085H04J2203/0042H04J2203/006H04J2203/0085
    • A data transmission apparatus and method used in resilient multiple service ring, including a first working ring and a second working ring, for transmitting data between physical layer side device and network layer device or other upper layer facilities, such as carrier class node equipments, core and edge routers, switch devices, IP based network accessing equipments, line cards, and interfacing units used in high rates or low rates, e.g. Ethernet, Gigabit Ethernet, 10 Gigabit, Ethernet, DVB (MPEG1, MPEG2, MPEG4 and MPEG7), ATM, Packet over SDH/SONET transmissions, other MSR, RPR for adapting IP and various tributaries (Ethernet,) directly to SDH/SONET or simplified SDH/SONET, or Gigabit Ethernet, 10 Gigabit Ethernet, or other physical layer devices.
    • 一种在弹性多业务环中使用的数据传输装置和方法,包括第一工作环和第二工作环,用于在物理层侧设备与网络层设备或其他上层设施之间传输数据,如运营商级节点设备,核心 边缘路由器,交换机设备,基于IP的网络接入设备,线路卡和以高速率或低速率使用的接口单元,例如 以太网,千兆以太网,万兆以太网,DVB(MPEG1,MPEG2,MPEG4和MPEG7),ATM,通过SDH / SONET传输的分组,用于将IP和各种支路(以太网)直接适配到SDH / SONET的其他MSR,RPR或 简化的SDH / SONET或千兆以太网,万兆以太网或其他物理层设备。
    • 10. 发明申请
    • Internet Real-Time Deep Packet Inspection and Control Device and Method
    • 互联网实时深度包检测和控制设备及方法
    • US20100172257A1
    • 2010-07-08
    • US12651691
    • 2010-01-04
    • Shaohua Yu
    • Shaohua Yu
    • H04J1/16
    • H04L47/10H04L63/0245
    • A deep packet inspection and control device includes a first rule table unit for storing a rule table including a first set of rule entries which are pre-defined or generated dynamically; a first scanning unit for receiving a first real-time packet data stream from the internet, and scanning the first real-time packet data stream according to a scanning window defined by the first set of rule entries; a first analysis unit for matching the first real-time packet data stream with the first set of rule entries in the scanning window of the first scanning unit, and outputting a matching result; and a first rule linkage unit for performing linkage control on the first real-time packet data stream to be output back to the internet according to the matching result output from the first analysis unit.
    • 深度包检测和控制装置包括:第一规则表单元,用于存储包括动态地预定义或生成的第一组规则条目的规则表; 第一扫描单元,用于从互联网接收第一实时分组数据流,并且根据由第一组规则条目定义的扫描窗口扫描第一实时分组数据流; 第一分析单元,用于将第一实时分组数据流与第一扫描单元的扫描窗口中的第一组规则条目进行匹配,并输出匹配结果; 以及第一规则联动单元,用于根据从第一分析单元输出的匹配结果,对第一实时分组数据流执行链接控制以输出回互联网。