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    • 1. 发明申请
    • METHOD AND APPARATUS FOR IMPLEMENTING PDM-BPSK MODULATION AND QPSK MODULATION IN COMPATIBLE MANNER
    • 用于实现PDM-BPSK调制和兼容手机中的QPSK调制的方法和装置
    • US20120275791A1
    • 2012-11-01
    • US13545637
    • 2012-07-10
    • Li ZengLei LiuChao LuYanfu YangLinghao ChengZhaohui Li
    • Li ZengLei LiuChao LuYanfu YangLinghao ChengZhaohui Li
    • H04J14/06
    • H04B10/5053H04B10/5161H04B10/532H04L27/2096
    • A method for implementing Polarization Division Multiplexing Binary Phase Shift Keying (PDM-BPSK) modulation and Quadrature Phase Shift Keying (QPSK) modulation in a compatible manner includes: dividing a direct current (DC) light into a first channel of light and a second channel of light with the same power; separately performing optoelectrical modulation on the first channel of light and the second channel of light and correspondingly outputting a first optical signal and a second optical signal in a Binary Phase Shift Keying (BPSK) format; performing polarization state control on the first optical signal; performing a phase shift on the first optical signal or the second optical signal; and performing optical signal combination with the polarization state preserved on the first optical signal and the second optical signal after the polarization state control and the phase shift, and outputting a PDM-BPSK modulation optical signal or a QPSK modulation optical signal.
    • 用于以兼容方式实现偏振分复用二进制相移键控(PDM-BPSK)调制和正交相移键控(QPSK)调制的方法包括:将直流(DC)光分成第一通道和第二通道 光能相同的力量; 在第一光通道和第二光通道上分别执行光电调制,并相应地以二进制相移键控(BPSK)格式输出第一光信号和第二光信号; 对所述第一光信号执行偏振状态控制; 对所述第一光信号或所述第二光信号执行相移; 以及在所述偏振状态控制和相移之后执行保留在所述第一光信号和所述第二光信号上的所述偏振状态的光信号组合,以及输出PDM-BPSK调制光信号或QPSK调制光信号。
    • 2. 发明授权
    • Method and apparatus for implementing PDM-BPSK modulation and QPSK modulation in compatible manner
    • 以兼容的方式实现PDM-BPSK调制和QPSK调制的方法和装置
    • US08737844B2
    • 2014-05-27
    • US13545637
    • 2012-07-10
    • Li ZengLei LiuChao LuYanfu YangLinghao ChengZhaohui Li
    • Li ZengLei LiuChao LuYanfu YangLinghao ChengZhaohui Li
    • H04B10/00
    • H04B10/5053H04B10/5161H04B10/532H04L27/2096
    • A method for implementing Polarization Division Multiplexing Binary Phase Shift Keying (PDM-BPSK) modulation and Quadrature Phase Shift Keying (QPSK) modulation in a compatible manner includes: dividing a direct current (DC) light into a first channel of light and a second channel of light with the same power; separately performing optoelectrical modulation on the first channel of light and the second channel of light and correspondingly outputting a first optical signal and a second optical signal in a Binary Phase Shift Keying (BPSK) format; performing polarization state control on the first optical signal; performing a phase shift on the first optical signal or the second optical signal; and performing optical signal combination with the polarization state preserved on the first optical signal and the second optical signal after the polarization state control and the phase shift, and outputting a PDM-BPSK modulation optical signal or a QPSK modulation optical signal.
    • 用于以兼容方式实现偏振分复用二进制相移键控(PDM-BPSK)调制和正交相移键控(QPSK)调制的方法包括:将直流(DC)光分成第一通道和第二通道 光能相同的力量; 在第一光通道和第二光通道上分别执行光电调制,并相应地以二进制相移键控(BPSK)格式输出第一光信号和第二光信号; 对所述第一光信号执行偏振状态控制; 对所述第一光信号或所述第二光信号执行相移; 以及在所述偏振状态控制和相移之后执行保留在所述第一光信号和所述第二光信号上的所述偏振状态的光信号组合,以及输出PDM-BPSK调制光信号或QPSK调制光信号。
    • 4. 发明授权
    • Method and device for recovering OTUk frame, and system for transporting OTUk frame
    • 用于恢复OTUk帧的方法和设备,以及用于传输OTUk帧的系统
    • US08848747B2
    • 2014-09-30
    • US13347863
    • 2012-01-11
    • Li ZengChan ZhaoChangsong Xie
    • Li ZengChan ZhaoChangsong Xie
    • H04J3/06H04J3/14H04J3/16
    • H04J3/14H04B10/614H04B10/616H04J3/1652
    • A method for recovering an OTUk frame includes: receiving an optical signal sent by using a method of multi-lane distribution from the OTUk frame to an interface of an optical module; converting the optical signal into an electrical signal, performing electrical equalization and demodulation on the electrical signal, and recovering multi-lane data from the demodulated signal; aligning and rearranging the data on each lane, according to a lane sequence identifier included in an overhead frame header of the data on each lane; and recovering the OTUk frame according to the aligned and rearranged data. According to the present invention, lane rearrangement is performed by detecting the lane sequence identifier, and the recovery of the OTUk frame is achieved. Therefore, a training sequence overhead does not need to be additionally introduced, and the influence on the system performance is avoided.
    • 一种用于恢复OTUk帧的方法包括:接收通过使用从OTUk帧到光模块的接口的多通道分配方法发送的光信号; 将光信号转换成电信号,对电信号执行电均衡和解调,以及从解调信号中恢复多通道数据; 根据包括在每个车道上的数据的开销帧头中的车道序列标识符,对每个车道上的数据进行排列和重排; 并根据对齐和重新排列的数据恢复OTUk帧。 根据本发明,通过检测车道序列标识符来执行车道重排,并且实现了OTUk帧的恢复。 因此,不需要额外引入训练序列开销,避免对系统性能的影响。
    • 5. 发明授权
    • Method and device for protecting ethernet tree services
    • 保护以太网树服务的方法和设备
    • US08134919B2
    • 2012-03-13
    • US12572078
    • 2009-10-01
    • Li ZengHao Long
    • Li ZengHao Long
    • H04J1/00
    • H04L12/66H04L12/44H04L12/4633H04L45/28H04L45/66
    • A method and device for protecting Ethernet Tree (E-Tree) services are disclosed. An ID is configured for each branch of the E-Tree. The method includes: determining a branch that needs to perform switching; notifying the ID of the branch that needs to perform switching to a work E-Tree through a root UNI of a protect E-Tree; and switching data over the branch that needs to perform switching from the work E-Tree to the protect E-Tree according to the ID of the branch that needs to perform switching. In the embodiments of the present invention, because an ID is configured for each branch of the E-Tree, the branch corresponding to the ID may be triggered to perform protection switching as required, thus implementing branch switching.
    • 公开了一种用于保护以太网树(E-Tree)服务的方法和装置。 为E-Tree的每个分支配置一个ID。 该方法包括:确定需要执行切换的分支; 通过保护E-Tree的根UNI通知需要切换到工作E-Tree的分支的ID; 根据需要执行切换的分支的ID,通过需要进行从工作E树切换到保护E树的分支切换数据。 在本发明的实施例中,由于为E-Tree的各分支配置了ID,所以可以触发与ID对应的分支,根据需要进行保护切换,从而实现分支切换。
    • 6. 发明申请
    • APPARATUS AND METHOD FOR ADJUSTING WORKING FREQUENCY OF VRD BY DETECTING TEMPERATURE
    • 通过检测温度调节VRD工作频率的装置和方法
    • US20090128222A1
    • 2009-05-21
    • US12016427
    • 2008-01-18
    • Li ZengShih-Hao Liu
    • Li ZengShih-Hao Liu
    • H01L35/00G05F1/10H03B19/00
    • G06F1/206G06F1/32Y02D10/16
    • The invention provides an apparatus for adjusting a working frequency of a VRD by detecting temperature. The apparatus includes a temperature control module, a load module and a controller. The temperature control module is used for detecting a temperature of a CPU, and judging an output load state of the VRD according to the detected temperature of the CPU, so as to output a control signal according the output load state. The load module is connected to the VRD, and is used for providing an external resistance to the VRD. The controller is respectively coupled to the load module and the temperature control module, and is used for receiving the control signal and adjusting a resistance of the load module according to the received control signal, so as to adjust a working frequency of the VRD. A power consumption of the VRD may be reduced based on the present invention.
    • 本发明提供一种通过检测温度来调节VRD的工作频率的装置。 该装置包括温度控制模块,负载模块和控制器。 温度控制模块用于检测CPU的温度,并且根据检测到的CPU的温度判断VRD的输出负载状态,以便根据输出负载状态输出控制信号。 负载模块连接到VRD,用于为VRD提供外部电阻。 控制器分别耦合到负载模块和温度控制模块,用于接收控制信号,并根据接收到的控制信号调整负载模块的电阻,以调整VRD的工作频率。 基于本发明可以减少VRD的功耗。
    • 7. 发明申请
    • Ring Network And A Method For Implementing The Service Thereof
    • 环网和实现其服务的方法
    • US20070280251A1
    • 2007-12-06
    • US11579029
    • 2005-09-27
    • Yuxiang WangHuaixue WanLi Zeng
    • Yuxiang WangHuaixue WanLi Zeng
    • H04L12/28G06F15/16H04L12/56G06F15/173
    • H04L12/437H04L12/4637H04L45/00H04L45/50
    • This invention discloses a ring network and a method for implementing the service thereof. The ring network includes multiple nodes in a same logic layer for accessing a service to the ring network or receiving a service from the ring network; two virtual channels of reverse directions, which connect the adjacent nodes and are utilized to bear and adapt service data; a physical link, which is utilized to bear the service data adapted to the virtual channel. The method includes the steps of configuring virtual channels at the nodes to form an eastward and westward bidirectional ring network; establishing service Label Switching Path schedules at the nodes; determining a service sink node according to the Label Switching Path schedule at a service source node; dispatching services up to the ring network according to a predetermined algorithm; multiplexing the services of different nodes in a same virtual channel for transmission in the way of Label Switching Path; dispatching the services down the ring network at the service sink node.
    • 本发明公开了一种环网及其实现方法。 环网包括在相同逻辑层中的多个节点,用于访问对环网的服务或从环网接收服务; 两个相反方向的虚拟通道,连接相邻节点并用于承载和调整业务数据; 物理链路,用于承载适合于虚拟信道的服务数据。 该方法包括在节点配置虚拟信道以形成向东和向西的双向环形网络的步骤; 在节点建立标签交换路径调度; 根据服务源节点处的标签交换路径调度确定服务汇聚节点; 根据预定算法调度业务到环网; 在同一虚拟信道中复用不同节点的业务,以便以标签交换路径的方式传输; 在服务汇聚节点处将业务下发到环网。
    • 9. 发明申请
    • METHOD, DEVICE AND SYSTEM FOR SENDING AND RECEIVING CLIENT SIGNALS
    • 用于发送和接收客户信号的方法,设备和系统
    • US20110123196A1
    • 2011-05-26
    • US13016029
    • 2011-01-28
    • Min YeLi Zeng
    • Min YeLi Zeng
    • H04J14/00
    • H04J3/1652H04J2203/0089H04L25/14
    • A method, a device and a system for sending and receiving client signals are provided. The method for sending includes: distributing, in round-robin mode, OTU data frames into which client signals are encapsulated to VLs, in which the number of the VLs is a common multiple of the number of lanes of an OTN encapsulating module adaptation interface and the number of optical module adaptation lanes; inserting VL alignment identifiers that carry VL serial numbers and position information to the VLs, in which the VL alignment identifiers are adapted to compensate a transmission rate difference among the VLs; distributing, in bit-by-bit interleaving mode, the data on the VLs with the inserted VL alignment identifiers onto the OTN encapsulating module adaptation interface; converting data on the OTN encapsulating module adaptation interface by bit onto optical module adaptation lanes; modulating data on the optical module adaptation lanes and transmitting the modulated data onto an optical fiber for transmission, so as to compensate a transmission rate difference among different data lines caused by OTN long-distance transmission.
    • 提供了一种用于发送和接收客户端信号的方法,设备和系统。 发送方法包括:以循环模式分配客户端信号被封装到VL的OTU数据帧,其中VL的数量是OTN封装模块适配接口的通道数的公倍数, 光模块适配通道数量; 将携带VL序列号和位置信息的VL对准标识符插入VL,其中VL对准标识符适于补偿VL之间的传输速率差; 以逐位交织模式将具有插入的VL对准标识符的VL上的数据分发到OTN封装模块适配接口上; 将OTN封装模块适配接口上的数据转换成光模块适配通道; 调制光模块适配通道上的数据,并将调制数据发送到光纤进行传输,以补偿由OTN长距离传输引起的不同数据线之间的传输速率差异。
    • 10. 发明授权
    • Voltage regulating circuit
    • 电压调节电路
    • US07795854B2
    • 2010-09-14
    • US12015917
    • 2008-01-17
    • Chun-Hua XiaXiao-Ru WuLi ZengDa-Wei HuShih-Hao Liu
    • Chun-Hua XiaXiao-Ru WuLi ZengDa-Wei HuShih-Hao Liu
    • G05F1/40
    • H02M3/156
    • A voltage regulating circuit including an error signal generator, a comparator, a switch unit, a low-pass filter and a modulating unit is provided. The error signal generator respectively receives a reference voltage signal and a feedback signal, and generates an error signal. The comparator respectively receives the error signal and a comparing signal, and generates a pulse width modulation signal. The switch unit regulates an input voltage signal to generate an output voltage signal according the pulse width modulation signal. The low-pass filter filters out the high frequency of the output signal and produces the feedback signal. The modulating unit is coupled to the low-pass filter and the error signal generator for regulating a transient voltage of the output voltage signal.
    • 提供了包括误差信号发生器,比较器,开关单元,低通滤波器和调制单元的电压调节电路。 误差信号发生器分别接收参考电压信号和反馈信号,并产生误差信号。 比较器分别接收误差信号和比较信号,并产生脉宽调制信号。 开关单元调节输入电压信号以根据脉宽调制信号产生输出电压信号。 低通滤波器滤除输出信号的高频,并产生反馈信号。 调制单元耦合到低通滤波器和误差信号发生器,用于调节输出电压信号的瞬态电压。