Zte Corporation

Xi'an Zhongxing New Software Co., Ltd.

Hisense USA Corporation

Hisense International Co., Ltd.

Hisense Broadband Multimedia Technologies, Ltd.

Yongjia Yin

Yong Guo

Weiliang Zhang

Dan Geng

Songlin Zhu

Liquan Yuan

Dezhi Zhang

Zheng Liu

Yang Gao

Xingang Huang

Qisheng Zhao

Sigeng Yang

Qiang Zhang

Dengshan Xue

Zian He

Guanjun Zeng

Weifeng Tong

Provided are a data processing method and apparatus for a Passive Optical Network (PON) system and a PON system. The method includes: a first partial bandwidth is allocated to a first Optical Network Unit (ONU) within a first time window, the first ONU having completed registration and being in a working state; and a first data frame from the first ONU is received within a time corresponding to the first partial bandwidth, and a second data frame from a second ONU is detected within the first time window, the second ONU having not completed registration.

Data processing method and apparatus for passive optical network system, and passive optical network system

A data processing method and apparatus for a Passive Optical Network (PON) system and a PON system, the method including: a first partial bandwidth is allocated to a first Optical Network Unit (ONU) within a first time window, the first ONU having completed registration and being in a working state; and a first data frame from the first ONU is received within a time corresponding to the first partial bandwidth, and a second data frame from a second ONU is detected within the first time window, the second ONU having not completed registration.

Provided are transmitting, receiving and communication systems of an optical network and a method for modulating a signal. The transmitting system includes: first Passive Optical Network (PON) equipment, configured to output a binary digital signal; and an M-order digital modulator, configured to modulate the binary digital signal into an M-order digital signal, and output the M-order digital signal, wherein each transmission symbol in the M-order digital signal carries information of N=logbits, where N is a natural number greater than 1 and M is a natural number. By the disclosure, the problems in the related art is solved, the bandwidths required by transmission are further reduced, and the actual cost of the optical transceiver modules is lowered.

Transmitting, receiving and communication systems of optical network and method for modulating signal

An optical module and an optical device applicable to the optical module, wherein the optical module includes a laser emission unit, a laser reception unit, a video detector and an optical assembly, the optical assembly including: a band-pass device Fwith a small-angle incidence filter sheet, wherein among optical signals transmitted to Fvia a common port of F, the optical signal in a first optical wavelength band is passed by the small-angle incidence filter sheet and output to the video detector via the passing port thereof; and the optical signals in other bands are reflected by the small-angle incidence filter sheet and output via the reflection port thereof; a filter sheet Fconfigured to pass the optical signal emitted by the laser emission unit to the reflection port of Fand to reflect the optical signal, received by the laser reception unit, output via the reflection port of F

Optical module and optical device applicable to optical module

Disclosed are a method and device for transmitting optical signals. The method comprises: if there is Raman crosstalk between a first optical network system and a coexistence system, an upstream wavelength band of the first optical network system is set outside a range with an upstream wavelength band of the coexistence system being a center and with an impact intensity of the Raman crosstalk being a radius, and a downstream wavelength band of the first optical network system is set outside a range with the downstream wavelength band of the coexistence system being a center and with the impact intensity of the Raman crosstalk being a radius; and optical signals are transmitted by using the upstream wavelength band of the first optical network system and the downstream wavelength band of the first optical network system. The disclosure can avoid interference and improve signal quality.

Method and device for transmitting optical signals

Growing community of inventors

Shenzhen, China

Yongjia Yin