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1. 发明授权

US11206215B2 Method and apparatus for routing packet in segment routing network based on IPv6 有权
公开(公告)号：US11206215B2
公开(公告)日：2021-12-21
申请号：US16713933
申请日：2019-12-13
申请人： UTStarcom Telecom Co., Ltd.
发明人： Yong-Lin Tang , Si-Hai Bao , Feng Liu , Sheng Yu
IPC分类号： H04L12/28 , H04L12/749 , H04L12/707 , H04L12/717 , H04L12/721
摘要： A method for routing a packet in a segment routing network includes extracting a destination Internet Protocol (IP) address from an IP header of the packet received by a routing node wherein the destination IP address includes a network identifier, a node identifier, a function identifier, and an argument; determining whether the network identifier and the node identifier match a routing node identifier; when the network identifier and the node identifier match the routing node identifier, determining a function to be executed based on the function identifier and the argument; when the function to be executed is determined, updating the node identifier, the function identifier, and the argument according to a segment list included in a segment routing header of the packet; and routing the packet according to the updated node identifier, the updated function identifier, and the updated argument in the destination IP address.

2. 发明申请

US20140369214A1 DEVICE FOR STORING AND RETRIEVING LOGS STORING AND TESTING CIRCUITS 审中-公开
标题翻译：存储和检索日志存储和测试电路的设备
公开(公告)号：US20140369214A1
公开(公告)日：2014-12-18
申请号：US14242317
申请日：2014-04-01
申请人： UTStarcom Telecom Co., Ltd.
发明人： Zhang Jinsong , Liu Lifeng , Chen Xiaoyun
IPC分类号： H04L12/26
CPC分类号： H04L43/50 , H04L41/24
摘要： Disclosed is a device for storing and retrieving log files and testing circuits that includes a Control and Management Module, a Network Interface Module and a Serial Interface Module. The Network Interface Module connects with an SFP interface of data transport network to supply power and achieve a network connection. The Serial Interface Module connects to a serial port of equipment to store the output logs into the device. Remote management equipment can access the inventive device via telnet or other means. The device can be conveniently carried and installed and can work automatically after power up, which avoids taking additional power from the equipment room and saves on installation space.
摘要翻译：公开了一种用于存储和检索日志文件和测试电路的设备，包括控制和管理模块，网络接口模块和串行接口模块。网络接口模块与数据传输网络的SFP接口连接，实现网络连接。串行接口模块连接到设备的串行端口，以将输出日志存储到设备中。远程管理设备可以通过telnet或其他方式访问本发明的设备。该装置可方便携带和安装，上电后可自动工作，避免了从机房获取额外的电力，节省了安装空间。

3. 发明授权

US07680149B2 CPRI link multiplex transmission method and system 失效
标题翻译： CPRI链路复用传输方式和系统
公开(公告)号：US07680149B2
公开(公告)日：2010-03-16
申请号：US11555025
申请日：2006-10-31
申请人： Sheng Liu , Bill Huang
发明人： Sheng Liu , Bill Huang
IPC分类号： H04J3/16
CPC分类号： H04J3/1617 , Y10S370/907
摘要： A communication method between the units of a distributed base station system, characterized by comprising: at the transmitting end, mapping a CPRI link to a GFP-T frame; encapsulating the GFP-T frame into SDH virtual containers to form a STM-N frame; and transmitting the STM-N frame via a SDH line, and at the receiving end, receiving the STM-N frame transmitted via the SDH line; separating the SDH virtual containers from the STM-N frame; extracting the GFP-T frame from the SDH virtual containers; reproducing the CPRI link from the GFP-T frame.
摘要翻译：一种分布式基站系统的单元之间的通信方法，其特征在于包括：在发送端将CPRI链路映射到GFP-T帧; 将GFP-T帧封装到SDH虚拟容器中以形成STM-N帧; 并通过SDH线路发送STM-N帧，在接收端接收经由SDH线路发送的STM-N帧; 将SDH虚拟容器与STM-N帧分离; 从SDH虚拟容器中提取GFP-T帧; 从GFP-T帧再现CPRI链路。

4. 发明申请

US20080069032A1 Packet Transmission Method for Wireless Signals in a Wireless Base Station System 失效
标题翻译：无线基站系统中无线信号的分组传输方法
公开(公告)号：US20080069032A1
公开(公告)日：2008-03-20
申请号：US11632600
申请日：2004-07-13
申请人： Sheng Liu
发明人： Sheng Liu
IPC分类号： H04Q7/00
CPC分类号： H04W24/06 , H04L69/326
摘要： a method of transmitting one or more branches of wireless signals between a channel processing unit and a remote radio frequency unit in a centralized base station, or between base stations through a packet network, each of said branches of wireless signals being a signal flow having a wireless frame period, the method comprising steps: obtaining a sample data stream of wireless signal of each branch in said wireless signals; dividing said sample data stream into consecutive data segments of fixed length; encapsulating said data segments into application protocol packets according to a predetermined protocol, each application protocol packet further including first information indicating the sequence of the data segment of the packet in all the data segments of the branch to which the data segment belongs; second information indicating payload type of the branch; third information indicating whether the data segment of the packet contains a data sample corresponding to the start of a wireless frame period; and fourth information indicating the position of the data sample in the data segment if the third information indicates that the data sample corresponding to the start of the wireless frame period is contained; and encapsulating the generated application protocol packets into network protocol packets according to a network transport protocol and transmitting them to a specified target, wherein the network protocol packet further includes fifth information identifying one of said one or more branches to which the packet belongs, said fifth information and network transport source address and destination address uniquely distinguishing said branches.
摘要翻译：一种在集中式基站中的信道处理单元和远程射频单元之间或通过分组网络在基站之间传输无线信号的一个或多个分支的方法，每个所述无线信号分支是具有无线帧周期，所述方法包括以下步骤：获得所述无线信号中每个分支的无线信号的采样数据流; 将所述采样数据流划分成固定长度的连续数据段; 根据预定协议将所述数据段封装到应用协议分组中，每个应用协议分组还包括指示数据段所属分支的所有数据段中分组的数据段的序列的第一信息; 指示分支的有效载荷类型的第二信息; 指示分组的数据段是否包含与无线帧周期的开始相对应的数据样本的第三信息; 以及第四信息，如果第三信息指示包含与无线帧周期的开始相对应的数据样本，则指示数据段中的数据样本的位置; 并根据网络传输协议将生成的应用协议分组封装成网络协议分组，并将其发送到指定的目标，其中所述网络协议分组还包括标识所述分组所属的所述一个或多个分支之一的第五信息，所述第五信息和网络传输源地址和目的地址唯一区分所述分支。

5. 发明申请

US20070280159A1 Load-Sharing Method And System In A Wireless Base Station 审中-公开
标题翻译：无线基站中的负载分担方法和系统
公开(公告)号：US20070280159A1
公开(公告)日：2007-12-06
申请号：US10591854
申请日：2004-03-04
申请人： Sheng Liu , Baijun Zhao , Huang Bill
发明人： Sheng Liu , Baijun Zhao , Huang Bill
IPC分类号： H04L7/00
CPC分类号： H04W28/08 , H04W88/08 , H04W92/20
摘要： The invention provides a wireless base station connected to a wireless network control device, another wireless base station and a subscriber unit, comprising a first communication device for receiving/transmitting downlink data frames/uplink data frames from/to the wireless network control device; a second communication device for transmitting/receiving downlink wireless signals/uplink wireless signal to/from the subscriber unit; a channel processing device for processing the downlink data frames/uplink wireless signals into downlink wireless signals/uplink data frames; and a signal distribution unit for supplying the downlink data frames and the uplink wireless signals to the channel processing device for processing, wherein the base station further comprising a third communication device for communicating with the another base station, and the signal distribution unit further comprising forwarding control means for transmitting the downlink data frames or uplink wireless signals to the another wireless base station and receiving corresponding downlink wireless signals or uplink data frames from the another wireless base station, through the third communication device.
摘要翻译：本发明提供一种连接到无线网络控制设备，另一无线基站和用户单元的无线基站，包括用于从/向无线网络控制设备接收/发送下行链路数据帧/上行链路数据帧的第一通信设备; 用于向/从用户单元发送/接收下行链路无线信号/上行链路无线信号的第二通信设备; 用于将下行链路数据帧/上行链路无线信号处理成下行链路无线信号/上行链路数据帧的信道处理装置; 以及信号分配单元，用于将所述下行链路数据帧和所述上行链路无线信号提供给所述信道处理设备进行处理，其中所述基站还包括用于与所述另一个基站通信的第三通信设备，并且所述信号分配单元还包括转发用于通过第三通信设备将下行链路数据帧或上行链路无线信号发送到另一无线基站并且从另一无线基站接收相应的下行链路无线信号或上行链路数据帧的控制装置。

6. 发明申请

US20070116046A1 CPRI LINK MULTIPLEX TRANSMISSION METHOD AND SYSTEM 失效
标题翻译： CPRI LINK多路传输方法与系统
公开(公告)号：US20070116046A1
公开(公告)日：2007-05-24
申请号：US11555025
申请日：2006-10-31
申请人： Sheng Liu , Bill Huang
发明人： Sheng Liu , Bill Huang
IPC分类号： H04J3/16
CPC分类号： H04J3/1617 , Y10S370/907
摘要： A communication method between the units of a distributed base station system, characterized by comprising: at the transmitting end, mapping a CPRI link to a GFP-T frame; encapsulating the GFP-T frame into SDH virtual containers to form a STM-N frame; and transmitting the STM-N frame via a SDH line, and at the receiving end, receiving the STM-N frame transmitted via the SDH line; separating the SDH virtual containers from the STM-N frame; extracting the GFP-T frame from the SDH virtual containers; reproducing the CPRI link from the GFP-T frame.
摘要翻译：一种分布式基站系统的单元之间的通信方法，其特征在于包括：在发送端将CPRI链路映射到GFP-T帧; 将GFP-T帧封装到SDH虚拟容器中以形成STM-N帧; 并通过SDH线路发送STM-N帧，在接收端接收经由SDH线路发送的STM-N帧; 将SDH虚拟容器与STM-N帧分离; 从SDH虚拟容器中提取GFP-T帧; 从GFP-T帧再现CPRI链路。

7. 发明授权

US07817603B2 Method and apparatus for multi-antenna signal transmission in RF long-distance wireless BS 失效
标题翻译： RF长距离无线BS中多天线信号传输的方法和装置
公开(公告)号：US07817603B2
公开(公告)日：2010-10-19
申请号：US11587215
申请日：2004-04-23
申请人： Sheng Liu
发明人： Sheng Liu
IPC分类号： H04W4/00
CPC分类号： H04J3/1617 , H04B7/04 , H04J2203/0035
摘要： The invention relates to a method for transmitting a plurality of antenna signals in a wireless Base Transceiver Station (BTS) using Remote Radio Head (RRH) technology and the corresponding system. The method includes the steps of: transmitting signals over the transmit channel using Synchronous Digital Hierarchy (SDH)/Optical Transmission Network (OTN), multiplexing the plurality of antenna signals adopting the manners of time division multiplex or GFP frame-level multiplex; forming the multiplexed antenna signal stream and in-band control signaling stream into Generic Framing Procedure (GFP) frame; or forming the plurality of antenna signals and the plurality of respective control signals on the in-band control signaling channel into a plurality of respective GFP frames in parallel; and further mapping the GFP frames to STM-N/OTM-n frames, therefore multiplexing the plurality of antenna signals and the in-band control signaling stream to realize the SDH/OTN-based transmission. According to the invention, in the circumstance of using a plurality of antennas for transmitting signals, the strict time and phase relations between various antenna signals can be ensured, and also system complexity can be simplified, the transmission delays from various antenna signals to CBTS are totally the same.
摘要翻译：本发明涉及一种使用远程无线电头（RRH）技术和相应系统在无线基站收发台（BTS）中发送多个天线信号的方法。该方法包括以下步骤：使用同步数字体系（SDH）/光传输网络（OTN）通过发送信道发送信号，采用时分多路复用或GFP帧级复用方式对多个天线信号进行复用; 将多路复用的天线信号流和带内控制信令流形成通用成帧过程（GFP）帧; 或者将带内控制信令信道中的多个天线信号和多个相应的控制信号并行形成多个相应的GFP帧; 并进一步将GFP帧映射到STM-N / OTM-n帧，从而复用多个天线信号和带内控制信令流，以实现基于SDH / OTN的传输。根据本发明，在使用多个天线发送信号的情况下，可以确保各种天线信号之间严格的时间和相位关系，并且还可以简化系统复杂度，从各种天线信号到CBTS的传输延迟是完全一样

8. 发明授权

US07809073B2 Multiple input/multiple output communication method based on distributed transmission sources 失效
标题翻译：基于分布式传输源的多输入/多输出通信方法
公开(公告)号：US07809073B2
公开(公告)日：2010-10-05
申请号：US11578610
申请日：2004-04-14
申请人： Sheng Liu
发明人： Sheng Liu
IPC分类号： H04B7/02
CPC分类号： H04B1/707 , H04B1/7113 , H04B7/024 , H04B7/0421 , H04B7/0678 , H04L25/0208 , H04L25/0218 , H04L2025/03426
摘要： A MIMO method based on distributed transmission sources for transmitting a downlink data stream between M transmitting antennas and a mobile terminal having P receiving antennas, M and P>1, channels from at least two transmitting antennas to one of receiving antennas have different multipath distributions, comprises transmitting a different sub-data stream of M sub-data streams from the M transmitting antennas respectively to the mobile terminal by using the same spreading code: estimating multipath channel matrix of channels from the M transmitting antennas to the receiving antenna, which use the spreading code: and processing transmitted signals corresponding to the M sub-data streams received by the receiving antenna based on the multipath channel matrix of each receiving antenna, to restore the downlink data stream.
摘要翻译：基于用于在M个发送天线和具有P个接收天线M和P> 1的移动终端之间发送下行链路数据流的分布式发送源的MIMO方法，从至少两个发送天线到接收天线之一的信道具有不同的多径分布，包括通过使用相同的扩展码将来自M个发射天线的M个子数据流的不同子数据流分别发送到移动终端：估计从M个发射天线到接收天线的信道的多径信道矩阵，其使用扩展码，并根据每个接收天线的多路径信道矩阵处理与由接收天线接收的M个子数据流相对应的发送信号，以恢复下行链路数据流。

9. 发明申请

US20070160012A1 Method and apparatus for multi-antenna signal transmission in rf long-distance wireless bs 失效
标题翻译： rf长距离无线网络中多天线信号传输的方法和装置
公开(公告)号：US20070160012A1
公开(公告)日：2007-07-12
申请号：US11587215
申请日：2004-04-23
申请人： Sheng Liu
发明人： Sheng Liu
IPC分类号： H04Q7/00
CPC分类号： H04J3/1617 , H04B7/04 , H04J2203/0035
摘要： The invention relates to a method for transmitting a plurality of antenna signals in a wireless Base Transceiver Station (BTS) using Remote Radio Head (RRH) technology and the corresponding system. The method includes the steps of: transmitting signals over the transmit channel using Synchronous Digital Hierarchy (SDH)/Optical Transmission Network (OTN), multiplexing the plurality of antenna signals adopting the manners of time division multiplex or GFP frame-level multiplex; forming the multiplexed antenna signal stream and in-band control signaling stream into Generic Framing Procedure (GFP) frame; or forming the plurality of antenna signals and the plurality of respective control signals on the in-band control signaling channel into a plurality of respective GFP frames in parallel; and further mapping the GFP frames to STM-N/OTM-n frames, therefore multiplexing the plurality of antenna signals and the in-band control signaling stream to realize the SDH/OTN-based transmission. According to the invention, in the circumstance of using a plurality of antennas for transmitting signals, the strict time and phase relations between various antenna signals can be ensured, and also system complexity can be simplified, the transmission delays from various antenna signals to CBTS are totally the same.
摘要翻译：本发明涉及一种使用远程无线电头（RRH）技术和相应系统在无线基站收发台（BTS）中发送多个天线信号的方法。该方法包括以下步骤：使用同步数字体系（SDH）/光传输网络（OTN）通过发送信道发送信号，采用时分多路复用或GFP帧级复用方式对多个天线信号进行复用; 将多路复用的天线信号流和带内控制信令流形成通用成帧过程（GFP）帧; 或者将带内控制信令信道中的多个天线信号和多个相应的控制信号并行形成多个相应的GFP帧; 并进一步将GFP帧映射到STM-N / OTM-n帧，从而复用多个天线信号和带内控制信令流，以实现基于SDH / OTN的传输。根据本发明，在使用多个天线发送信号的情况下，可以确保各种天线信号之间严格的时间和相位关系，并且还可以简化系统复杂度，从各种天线信号到CBTS的传输延迟是完全一样

10. 发明授权

US10958367B2 Network apparatus and clock synchronization method 有权
公开(公告)号：US10958367B2
公开(公告)日：2021-03-23
申请号：US16685912
申请日：2019-11-15
申请人： UTStarcom Telecom Co., Ltd.
发明人： Yong-Lin Tang , Guang-Pu Zhou , Xiao-Mao Gan , Si-Hai Bao
IPC分类号： H04W4/02 , H04J3/06 , G06F1/12 , G06F1/14
摘要： A network apparatus connected with a first clock source and at least one second clock source is provided. The network apparatus includes a system clock, a slave port connected to the first clock source, at least one passive port connected to the at least one second clock source, and a processor that controls synchronization of the system clock. The processor determines, from the slave port, a first clock offset between the system clock and a clock of the first clock source. The processor determines, from the at least one passive port, at least one second clock offset between the system clock and at least one clock of the at least one second clock source. The processor determines a true clock offset based on the first clock offset and the at least one second clock offset and synchronizes the system clock using the true clock offset.

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