Publicação
Automatic calibration systems for NG-PON2 transceivers
| Resumo: | The current society is increasingly dependent on communication services, requiring better and faster connections, predicting in a near future connections in the order of hundreds of Gbit/s. During the data transmissions, the increase of speed reflects an increase of the error ratio due to factors such as noise, reductions of signal or jitter, which for low speed these were not emphasized so much. This project involves the development of a BER test system for both continuous and Burst mode of the transmission, demonstrating the viability of communication over the next-generation technology, NG-PON2, which uses high transmission rates (10 Gbit/s). For this purpose, an FPGA architecture was implemented that allows for long distances in the optical network, high transmission rates. This choice reflects a more economical alternative in relation to commercial equipment and has several advantages, such as the flexibility to reprogram and prepare the architecture according to the needs of the user. To achieve the proposed requirements, the project was divided into three parts. In the first part an architecture was developed that allows to obtain the error rate during a continuous mode transmission. In order to obtain the real-time viability of the communication referred and to have control over the system, an interface was developed between the computer and the FPGA to change certain characteristics of the communication channel. This is the second part of the project. The last part of the project has an architecture similar to the previous one, that is, instead of the transmission to be done in continuous mode, it is performed in mode Burst, being this the requirement with more interest to the technology NG-PON2. Finally, proof of concept was performed through an optical network provided by the company PICadvanced that allowed the validation of the different parts of the project. These validations will allow the development of new modules that will later contribute to the main project that is under development in the company PICadvanced, which aims at the construction of an automatic calibration board for the XFP transceivers. |
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| Autores principais: | Pissarra, Pedro José do Couto |
| Assunto: | Optical communications NG-PON2 Transceivers FPGA MGTs SERDES BERT |
| Ano: | 2018 |
| País: | Portugal |
| Tipo de documento: | dissertação de mestrado |
| Tipo de acesso: | acesso aberto |
| Instituição associada: | Universidade de Aveiro |
| Idioma: | inglês |
| Origem: | RIA - Repositório Institucional da Universidade de Aveiro |
| Resumo: | The current society is increasingly dependent on communication services, requiring better and faster connections, predicting in a near future connections in the order of hundreds of Gbit/s. During the data transmissions, the increase of speed reflects an increase of the error ratio due to factors such as noise, reductions of signal or jitter, which for low speed these were not emphasized so much. This project involves the development of a BER test system for both continuous and Burst mode of the transmission, demonstrating the viability of communication over the next-generation technology, NG-PON2, which uses high transmission rates (10 Gbit/s). For this purpose, an FPGA architecture was implemented that allows for long distances in the optical network, high transmission rates. This choice reflects a more economical alternative in relation to commercial equipment and has several advantages, such as the flexibility to reprogram and prepare the architecture according to the needs of the user. To achieve the proposed requirements, the project was divided into three parts. In the first part an architecture was developed that allows to obtain the error rate during a continuous mode transmission. In order to obtain the real-time viability of the communication referred and to have control over the system, an interface was developed between the computer and the FPGA to change certain characteristics of the communication channel. This is the second part of the project. The last part of the project has an architecture similar to the previous one, that is, instead of the transmission to be done in continuous mode, it is performed in mode Burst, being this the requirement with more interest to the technology NG-PON2. Finally, proof of concept was performed through an optical network provided by the company PICadvanced that allowed the validation of the different parts of the project. These validations will allow the development of new modules that will later contribute to the main project that is under development in the company PICadvanced, which aims at the construction of an automatic calibration board for the XFP transceivers. |
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