China Mobile Communications Group Co., Ltd.

China Mobile Communication Co.,ltd Research Institute

China Mobile Communications Corporation

Dechao Zhang

Han Li

Dong Wang

Yunbo Li

Qian Cai

Lei Wang

Chen Wang

Yang Zhao

Liuyan Han

Xiaoqing Huang

Wenhui Zhou

Jiang Sun

Xintian Hu

Enbo Zhou

Lirong Bai

The present disclosure provides an information transmission method, an information transmission device, a communication device and a readable storage medium. The information transmission method includes: obtaining OAM information from an optical network; encapsulating the obtained OAM information to form an OAM frame, the OAM frame including N data frames each having a frame length of L, N varying along with a volume of the OAM information, L being a constant value regardless of the volume of the OAM information; and transmitting the OAM frame. The OAM information is transmitted in a length-constant frame, so it is able to facilitate encoding and decoding of a message, simplifying the processing and reduce the time consumption, and facilitate the extension in accordance with a message content and ensure the extendibility, thereby to solve such problems as complicated processing, being time-consuming, and poor extendibility in the conventional OAM information transmission scheme.

Information transmission method and device, communication device, and readable storage medium

A wavelength division multiplexing structure comprises a first wavelength division multiplexer and a second wavelength division multiplexer, each comprises N filtering units, a branch side interface connected to each filtering units, and a line side interface, N being a positive integer; each filtering unit corresponds to one central wavelength; the line side interface of the first wavelength division multiplexer and that of the second wavelength division multiplexer are connected by an optical fiber; the N filtering units are divided into multiple filtering unit groups, and the multiple filtering unit groups are cascaded in series or cascaded in a series-parallel combination; filter units in each filtering unit group are cascaded in series; and a cascade mode and/or cascade position corresponding to each filter unit in the first wavelength division multiplexer and the second wavelength division multiplexer is at least related to the center wavelengths corresponding to the filter unit.

Wavelength division multiplexing structure

Provided are an optical module, a management and control information processing method, and a communication system. The optical module includes: a clock recovery unit, an optical transmitting unit, an optical receiving unit, and a micro-control unit. The optical module also includes: a logic processing unit, which is configured to add first management and control information to first service information, the first service information being service information sent by the optical module to an optical module on the other side, and obtain second management and control information from second service information, the second service information being service information sent by the optical module on the other side to the optical module.

Optical module, management and control information processing method, and communication system

A system, a method and a related device for signal transmission are provided in order to improve utilization efficiency of the fiber. The system includes an optical line terminal (OLT), a plurality of optical network units (ONU), a base band unit (BBU), a plurality of remote radio units (RRU), a first signal-processing device and a plurality of second signal-processing devices, wherein the first signal-processing device sends a multiplexed signal to a plurality of second signal-processing devices after a plurality of signals sent by the OLT and the BBU are multiplexed, and demultiplexes a signal sent by the second signal-processing device in order to obtain a plurality of signals sent by the ONU and a plurality of different RRUs and sends these demultiplexed signals to the OLT and the BBU; one of a plurality of second signal processing devices sends a multiplexed signal to the first signal-processing device after a plurality of signals sent by the ONU and a plurality of different RRUs are multiplexed, and demultiplexes a signal sent by the first signal-processing device in order to obtain a signal sent by the OLT and a plurality of signals sent to a plurality of different RRUs by the BBU and sends these demultiplexed signals to the ONU and the RRUs.

System, method and relevant device for signal transmission

Growing community of inventors

Beijing, China

Dechao Zhang