Posts Tagged XG-PON

The key technology of XG-PON: Physical Medium Dependent (PMD) layer

The key technology of XG-PON: Physical Medium Dependent (PMD) layer

Line rate knowledge   XG-PON defines two line rate levels, which are: XG-PON1—–downstream 10Gbps, uplink 2.5Gbps; XG-PON2—–downstream 10Gbps, uplink 10Gbps.   The current standard only defines the physical layer performance indicators for XG-PON1, and the detailed characteristics of XG-PON2 have not been collected.   The downlink signal

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FOT Lesson: XG-PON certification and security features

FOT Lesson: XG-PON certification and security features

XG-PON’s security threat model introduction When considering the security of XG-PON, you should pay attention to the following threat models: Since the downlink data is broadcasted to all ONUs connected to the OLT, the malicious user can receive downlink data of other users by replacing the ONU

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FOT Lessons: Optical Transport Network (OTN)

FOT Lessons: Optical Transport Network (OTN)

Optical Transport Network   ITU-T defines an Optical Transport Network (OTN) as a set of Optical Network Elements (ONE) connected by optical fiber links, able to provide functionality of transport, multiplexing, switching, management, supervision and survivability of optical channels carrying client signals. An ONE may Re-time, Re-Amplify,

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FSAN releases future PON network development and evolution roadmap

FSAN releases future PON network development and evolution roadmap

  Yesterday (12/12/2016), the FSAN (Full Service Access Network) organization announced the evolution of the future PON network at the conference held in Hangzhou, China, from 14 to 18 last month, marking the path for the evolution of PON after XGS-PON and NG-PON2. . FSAN is a

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Broadcom Introduces First NGPON OLT Chip

Broadcom Introduces First NGPON OLT Chip

  Broadcom(AVGO), a global innovation leader in wireline and wireless communication semiconductor solutions, Launched the industry’s first commercial PON OLT equipment to support the recently approved ITU G.9807.1 XGS-PON and G.989 NGPON-2 protocols.   By increasing support for these key new protocols, operators will enjoy the benefits

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FTTH PON in mobile broadband networks applications

FTTH PON in mobile broadband networks applications

Two main NG-PON2 Applications Contributors: José Salgado, Rong Zhao, Nuno Monteiro, and Pauline Rigby   With developments in mobile broadband networks driven primarily by 4G and 5G, next-generation radio cells will be expected to support data rates of up to 10 Gbps. Mobile operators will have to significantly

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FTTH PON evolution: GPON to NG-PON2

FTTH PON evolution: GPON to NG-PON2

GPON to NG-PON2 Transition Contributors: José Salgado, Rong Zhao, Nuno Monteiro, and Pauline Rigby Evolution Path: GPON to NG-PON2   After GPON Recommendations were done, FSAN and ITU-T continued the study of NG-PONs and defined the first phase of NG-PONs as systems that offer low costs, large capacity, wide

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PON evolution and future FTTH market prediction: NG-PON2

PON evolution and future FTTH market prediction: NG-PON2

Contributors: José Salgado, Rong Zhao, Nuno Monteiro, and Pauline Rigby NG-PON2   The next-generation technology, NG-PON2, is expected to increase PON capacity to at least 40 Gbps downstream and at least 10 Gbps upstream by 2015. Since the implementation is further ahead in time, it opens up

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PON evolution and future FTTH market prediction: XG-PON1

PON evolution and future FTTH market prediction: XG-PON1

“Most modern GPON ONTs have an integrated filter to eliminate interference from XG-PON1 wavelengths.” Next-generation PON Evolution: XG-PON1 Contributors: José Salgado, Rong Zhao, Nuno Monteiro, and Pauline Rigby   The XG-PON1 approach, defined by ITU-T G.987 for near term deployment, operates with existing optical distribution networks and

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Drivers for Increased Bandwidth Demand

Drivers for Increased Bandwidth Demand

Contributors: José Salgado, Rong Zhao, Nuno Monteiro, and Pauline Rigby   Today, commercial triple-play service packages offer typical bandwidths between 20 and 100 Mbps to residential customers. According to Nielsen’s Law, which predicts that a high-end user’s Internet connection increases by 50 percent every year, one can

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