Converged Fi-Wi Passive Optical Networks and Their Designing Using the HPON Network Configurator

Author(s):  
Rastislav Róka

With the emerging mobile applications and needs of ever-increasing bandwidth, it is anticipated that the next-generation passive optical network (NG-PON) with much higher bandwidth is a natural path forward to satisfy these demands and to develop valuable converged fiber-wireless access networks for wireless network operators. NG-PON systems present optical access infrastructures to support various applications of many service providers. Hybrid passive optical networks (HPON) present a necessary phase to future PON networks utilized the optical transmission medium – the optical fiber. For developing hybrid passive optical networks, there exist various architectures and directions. They are specified with emphasis on their basic characteristics. For proposing reliable and survivable architectures, traffic protection schemes must be implemented. For converging Fi-Wi passive optical networks, an integration of optical and wireless technologies into common broadband access network must be considered. Finally, the HPON network configurator as the interactive software tool is introduced.

Author(s):  
Rastislav Róka

With the emerging applications and needs of ever increasing bandwidth, it is anticipated that the Next-Generation Passive Optical Network (NG-PON) with much higher bandwidth is a natural path forward to satisfy these demands and for network operators to develop valuable access networks. NG-PON systems present optical access infrastructures to support various applications of many service providers. Therefore, some general requirements for NG-PON networks are characterized and specified. Hybrid Passive Optical Networks (HPON) present a necessary phase of the future transition between PON classes with TDM or WDM multiplexing techniques utilized on the optical transmission medium – the optical fiber. Therefore, some specific requirements for HPON networks are characterized and presented. For developing hybrid passive optical networks, there exist various architectures and directions. They are also specified with emphasis on their basic characteristics and distinctions. Finally, the HPON network configurator as the interactive software tool is introduced in this chapter. Its main aim is helping users, professional workers, network operators and system analysts to design, configure, analyze, and compare various variations of possible hybrid passive optical networks. Some of the executed analysis is presented in detail.


Author(s):  
Oscar Jaime Ciceri Coral ◽  
Nelson Luis Saldanha Fonseca

Passive optical network (PON) is a cost-efficient access network technology to deliver broadband services. Moreover, service providers employ PONs to offer novel services. New business scenarios are, thus, envisioned in which customers owning multiple optical network units (ONUs) are connected to a single PON (multi-ONU customers). This paper proposes a dynamic bandwidth allocation (DBA) algorithm to guaranteed bandwidth for multi-ONU customers in Ethernet PONs (EPONs). It also introduces a bandwidth sharing algorithm to support cooperation among customers. Results show that the proposed algorithm can improve the overall throughput and quality of service provisioning.


2021 ◽  
Author(s):  
Kanchan Bala

Over the past few years, telecommunication networks have experienced a dramatic shift from traditional voice-dominated traffic to data-oriented, application-based traffic. The access network or the last-mile connecting households or businesses to the internet backbone, have been recognized as a major bottleneck in todays network hierarchy. The ongoing demand for new access networks that support high-speed (greater than 100 Mb/s), symmetric, and guaranteed bandwidths for future video services has been accelerated and the search for a cost-effective optical access solution has yielded a number of possible solutions. To satisfy the required bandwidth over a 20-km transmission distance, single-mode optical fiber is a natural choice. Passive Optical Networks (PONs) are promising access solutions that will open the last-mile bottleneck bringing data rates of 100 Mb/s to 1 Gb/s to the end-users. The goal of this work is to provide a cohesive overview of research done in the area of Fiber In The Loop (FITL) optical access technology. Specifically, it explores the area of Passive Optical Network (PON) : its history, variants, architecture, and standards. Various passive optical components which make a passive optical network work, are also discussed. Some laboratory emulations on RF over PON showing noise, distortion, and fading in the channels are then carried on using the Vector Signal Generator SMIQ03B (Rhode & Schwarz), and the Wireless Communication Analyzer WCA380 (SONY Tektronix).


2021 ◽  
Author(s):  
Kanchan Bala

Over the past few years, telecommunication networks have experienced a dramatic shift from traditional voice-dominated traffic to data-oriented, application-based traffic. The access network or the last-mile connecting households or businesses to the internet backbone, have been recognized as a major bottleneck in todays network hierarchy. The ongoing demand for new access networks that support high-speed (greater than 100 Mb/s), symmetric, and guaranteed bandwidths for future video services has been accelerated and the search for a cost-effective optical access solution has yielded a number of possible solutions. To satisfy the required bandwidth over a 20-km transmission distance, single-mode optical fiber is a natural choice. Passive Optical Networks (PONs) are promising access solutions that will open the last-mile bottleneck bringing data rates of 100 Mb/s to 1 Gb/s to the end-users. The goal of this work is to provide a cohesive overview of research done in the area of Fiber In The Loop (FITL) optical access technology. Specifically, it explores the area of Passive Optical Network (PON) : its history, variants, architecture, and standards. Various passive optical components which make a passive optical network work, are also discussed. Some laboratory emulations on RF over PON showing noise, distortion, and fading in the channels are then carried on using the Vector Signal Generator SMIQ03B (Rhode & Schwarz), and the Wireless Communication Analyzer WCA380 (SONY Tektronix).


2021 ◽  
Author(s):  
Souheil Kneifati

Competition for delivering high-bandwidth "multi-play" services (video, voice, data) is on constant increase. Advanced service delivery requires a higher bandwidth pipe to the end user through passive optical network (PON) technologies. The two major PON standards GPON is an International Telecommunication Union - Telecommunication Standardization Sector (ITU-T) and EPON is a standard developed by the Institute of Electrical and Electronics Engineers (IEEE). This project compares and looks at the choices and challenges service providers face as they bring new PON technology possibilities to their customers and analyze these two standards in terms of their performance, physical properties, implementation and testing requirements. It also discusses the evolution paths for each of the standards and the challenges for such evolution. The final chapter will include the conclusions, some final thoughts, suggestions and recommendations for new projects implementation.


2020 ◽  
Vol 0 (0) ◽  
Author(s):  
Li Li ◽  
Li Hong-Jie

AbstractFor the commercial wavelength division multiplexing passive optical network (WDM-PON) with standard single-mode fiber SSMF-28 and 1:64 passive fiber branching at its far end (RN) and 100 GHz C-band continuous wavelength (CW) lasers, the maximum coverage and optimal transmission power of STM-16 and STM-64 with external modulators at different speeds and wave numbers (4λ, 8λ and 16λ) are obtained, respectively. The performance parameter of the high data rate WDM-PON system is analyzed with respect to a number of channels and reach. In order to improve the network utilization and receiving efficiency, the influence of different channels and transmission distances on the performance of high data rate WDM-PON system is analyzed. Simulation analysis with Optisystem15.0. The maximum transmission power required to achieve the maximum transmission distance under the condition of nonlinear constraints is obtained. In order to save power consumption, the configuration of each multi-band PON is optimized in terms of transmission power. It is found that WDM-PON system has to compromise between aggregated data rate and system reach. Future software defined access network reconfigure the access network depending on the dynamic demand and the resources available. Hence depending on the distance between the optical line terminal (OLT) and optical network unit (ONU) guaranteed data rate can be estimated. ONU is equipped with a tunable optical filter (TOF) hence future wavelength can be reconfigured by both service provider and user. It makes it possible for software to customize optical access network.


2021 ◽  
Vol 0 (0) ◽  
Author(s):  
Navjot Singh ◽  
Bharat Naresh Bansal

Abstract Wavelength division multiplexed passive optical is promising technique to achieve a high data rate and large number of user. The notable advantages of WDM PON is the combination of reliability, cheap in cost, accessible bandwidth, high security, large optical reach and it can support large number of ONU. There are multiple approaches to achieve high-speed WDN PON using different transmission techniques. In WDM, multiple lasers are required which increase the cost of the system. To reduce cost, an optical multicarrier generation system is proposed. An economical multiple carrier generation with the incorporation of sine generator and Mach–Zehndar modulator is demonstrated. Utmost work of sine generator and dual drive modulator was to attain low cost functioning of passive optical networks. Multicarrier generation was done and replacement of laser carriers with optical multicarrier generator. Carriers were generated with the frequency spacing of 20 GHz and these carriers were used in the passive optical networks with the tone-to-noise ratio of 40 dB, amplitude difference of 1.4 dB. For the transmission of downstream in the PON, differential phase shift keying was employed at 10 Gbps data speed. Transmission distance achieved was 30 km using single-mode fiber and this was a part of optical distribution network. Optical network unit was next part after ODN and signals were received with balanced receiver. Moreover, half signal was given to intensity modulator for the signal re-modulation. Bit error rate of 10–9 was achieved at all channels in the downstream. An upstream of 10 Gbps was accomplished in the passive optical network.


2021 ◽  
Author(s):  
Souheil Kneifati

Competition for delivering high-bandwidth "multi-play" services (video, voice, data) is on constant increase. Advanced service delivery requires a higher bandwidth pipe to the end user through passive optical network (PON) technologies. The two major PON standards GPON is an International Telecommunication Union - Telecommunication Standardization Sector (ITU-T) and EPON is a standard developed by the Institute of Electrical and Electronics Engineers (IEEE). This project compares and looks at the choices and challenges service providers face as they bring new PON technology possibilities to their customers and analyze these two standards in terms of their performance, physical properties, implementation and testing requirements. It also discusses the evolution paths for each of the standards and the challenges for such evolution. The final chapter will include the conclusions, some final thoughts, suggestions and recommendations for new projects implementation.


2020 ◽  
Vol 17 (1) ◽  
pp. 425-433
Author(s):  
Deepa Naik ◽  
Soumyadeb Maity ◽  
Tanmay De

Integrating Passive Optical Network (PON) and Worldwide Interoperability for Microwave Access network (WiMAX)achieves universal internet connectivity at a higher data rate. Here Passive Optical Networks (PONs) are used as the backbone. Base stations in WiMAX are connected to Optical Network Units. In this work cost, routing and resource allocation related issues in hybrid networks are investigated. Light trails are used for traffic grooming. Various network topologies are used for simulation and results are obtained, compared. and analyzed. The results confirm a lower cost solution by using hybrid networks for universal connectivity.


2014 ◽  
Vol 701-702 ◽  
pp. 994-999
Author(s):  
Ge Jun Gao ◽  
Xun Jie Li ◽  
Shuai Tao ◽  
Jian Hua Shen

Passive Optical Network (PON) technology has been widely accepted as main broadband access which can satisfy the rapid increasing bandwidth requirements. With the expansion of the number of users, as well as the variation of application scenarios, traditional single-stage cascaded or two-stage cascaded PON system can no longer meet users’ demands. This paper proposed four multiple-stage cascaded PON topologies with different protection schemes. Reliability and cost for each topology are presented with theoretical analysis and numerical simulations.


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