公开(公告)号：US08712240B2

公开(公告)日：2014-04-29

申请号：US13250773

申请日：2011-09-30

申请人： Ping Ding ,  Yinghua Dong ,  Xuanqin Liang ,  Guangdong Wu

发明人： Ping Ding ,  Yinghua Dong ,  Xuanqin Liang ,  Guangdong Wu

IPC分类号： H04J14/00

CPC分类号： H04B10/0773 ,  H04B10/0775 ,  H04B10/0779 ,  H04B2210/072 ,  H04J3/1694 ,  H04Q11/0067 ,  H04Q2011/0081 ,  H04Q2011/0083

摘要： The embodiments of the present invention relate to communications technology, and disclose an optical power measurement method, an Optical Line Terminal (OLT), and an Optical Network Unit (ONU). The method includes: generating a Physical Layer Operation Administration Maintenance (PLOAM) message that includes an identifier of at least one ONU to be measured and information about a time bucket that is allocated to the ONU to be measured and is used for sending upstream optical signals; sending the PLOAM message to the multiple ONUs; receiving the upstream optical signals that are sent, in the allocated time bucket, by the ONU to be measured; and detecting the received upstream optical signals, and determining the optical power of the upstream optical signals. The present invention avoid waste of bandwidth caused in the prior art when the DBA is required to allocate bandwidth to the ONU to be measured for the purpose of detecting the optical power.

摘要翻译： 本发明的实施例涉及通信技术，并公开了光功率测量方法，光线路终端（OLT）和光网络单元（ONU）。 该方法包括：生成包含要测量的至少一个ONU的标识符的物理层操作管理维护（PLOAM）消息和分配给要测量的ONU的时间桶的信息，并用于发送上行光信号 ; 将PLOAM消息发送到多个ONU; 在所分配的时间段中接收由要测量的ONU发送的上行光信号; 并检测接收到的上行光信号，并确定上行光信号的光功率。 为了检测光功率，本发明避免了当需要DBA向要测量的ONU分配带宽时，在现有技术中造成带宽的浪费。

公开(公告)号：US08861961B2

公开(公告)日：2014-10-14

申请号：US13107117

申请日：2011-05-13

申请人： Guangdong Wu

发明人： Guangdong Wu

IPC分类号： H04J14/00 ,  H04J3/06

CPC分类号： H04J3/0682 ,  H04Q2213/1301

摘要： A method for accessing a Passive Optical Network (PON) is disclosed. The method includes: obtaining a first distance parameter of an Optical Network Unit (ONU), where the first distance parameter indicates the location of the ONU relative to an Optical Line Termination (OLT); receiving an ONU information request message delivered by the OLT, and returning an ONU information response message to the OLT when a second distance parameter carried in the ONU information request message corresponds to the first distance parameter; and receiving a ranging request message, where the ranging request message is delivered by the OLT according to the ONU information response message, returning a ranging response message as a basis for the OLT to obtain an Equalization Delay (EQD) value of the ONU, and connecting the ONU to the PON according to the EQD value. An ONU, an OLT, and a PON are also disclosed. The embodiments of the present invention enable the ONUs located at different distances from a same PON port to access the PON in lossless mode, thereby making full use of port resources and ensuring efficient running of devices.

摘要翻译： 公开了一种用于访问被动光网络（PON）的方法。 该方法包括：获得光网络单元（ONU）的第一距离参数，其中第一距离参数指示ONU相对于光线路终端（OLT）的位置; 接收由OLT发送的ONU信息请求消息，并且当ONU信息请求消息中携带的第二距离参数对应于第一距离参数时，将ONU信息响应消息返回给OLT; 并且接收测距请求消息，其中由OLT根据ONU信息响应消息传送测距请求消息，返回测距响应消息作为OLT的基础，以获得ONU的均衡延迟（EQD）值，以及 根据EQD值将ONU连接到PON。 还公开了ONU，OLT和PON。 本发明的实施例使得位于与相同PON端口不同距离的ONU以无损模式访问PON，从而充分利用端口资源并确保设备的有效运行。

公开(公告)号：US20120020662A1

公开(公告)日：2012-01-26

申请号：US13250773

申请日：2011-09-30

申请人： Ping Ding ,  Yinghua Dong ,  Xuanqin Liang ,  Guangdong Wu

发明人： Ping Ding ,  Yinghua Dong ,  Xuanqin Liang ,  Guangdong Wu

IPC分类号： H04B17/00 ,  H04B10/08

CPC分类号： H04B10/0773 ,  H04B10/0775 ,  H04B10/0779 ,  H04B2210/072 ,  H04J3/1694 ,  H04Q11/0067 ,  H04Q2011/0081 ,  H04Q2011/0083

摘要： The embodiments of the present invention relate to communications technology, and disclose an optical power measurement method, an Optical Line Terminal (OLT), and an Optical Network Unit (ONU). The method includes: generating a Physical Layer Operation Administration Maintenance (PLOAM) message that includes an identifier of at least one ONU to be measured and information about a time bucket that is allocated to the ONU to be measured and is used for sending upstream optical signals; sending the PLOAM message to the multiple ONUs; receiving the upstream optical signals that are sent, in the allocated time bucket, by the ONU to be measured; and detecting the received upstream optical signals, and determining the optical power of the upstream optical signals. The present invention avoid waste of bandwidth caused in the prior art when the DBA is required to allocate bandwidth to the ONU to be measured for the purpose of detecting the optical power.

摘要翻译： 本发明的实施例涉及通信技术，并公开了光功率测量方法，光线路终端（OLT）和光网络单元（ONU）。 该方法包括：生成包含要测量的至少一个ONU的标识符的物理层操作管理维护（PLOAM）消息和分配给要测量的ONU的时间桶的信息，并用于发送上行光信号 ; 将PLOAM消息发送到多个ONU; 在所分配的时间段中接收由要测量的ONU发送的上行光信号; 并检测接收到的上行光信号，并确定上行光信号的光功率。 为了检测光功率，本发明避免了当需要DBA向要测量的ONU分配带宽时，在现有技术中造成带宽的浪费。