Results 181 to 190 of about 9,714 (225)
Some of the next articles are maybe not open access.
Processing efficient frame structure for passive optical network (PON)
Optical Switching and Networking, 2018Abstract The time division multiplexed (TDM) based passive optical networks like GPON/XGPON and EPON/10G-EPON use broadcast mechanism for downstream (DS) communication. This results in any DS frame being received and processed by all optical network units (ONUs), leading to significant processing energy wastage.
Rizwan Aslam Butt +3 more
openaire +2 more sources
Lightwave measurement and characterization in passive optical network (PON)
2009 International Conference on Space Science and Communication, 2009The objective of this study is to determine and troubleshoot the problems of using handheld optical power meter and optical time domain reflectometer (OTDR) for monitoring and troubleshooting a conventional passive optical network (PON) equipped with optical splitter/coupler that used to broadcast optical signals from one fiber to many fibers.
Ng Boon Chuan +1 more
openaire +1 more source
Reconfigurable nodes for passive optical networks (PON)
2011Recentemente , as redes ópticas de nova geração têm sido motivo de acesa discussão nos meios científicos. Com o aumento verificado nos últimos anos do numero de utilizadores e o aparecimento de novos serviços disponibilizados através das redes de acesso, torna-se cada vez mais claro que a fibra óptica é a única solução para disponibilizar a largura de ...
openaire +2 more sources
Long-Reach Wavelength Division Multiplexing-Passive Optical Networks (WDM-PONs)
ACOFT/AOS 2006 - 31st Australian Conference on Optical Fibre Technology and Meeting of the Australian Optical Society, 2007A bidirectional long-reach 64-channel DWDM-PON with 50 GHz channel spacing based on wavelength-locked Fabry-Perot laser diodes is demonstrated. It consolidates a metro network into an access network by bypassing the central offices within its reach.
Sang-Mook Lee, Chang-Hee Lee
openaire +1 more source
Performance analysis of next-generation passive optical network (XG — PON)
2017 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting, 2017In this paper, we have simulated and evaluated a XG-PON architecture performance based on ITU-T recommendations. It's a promising technology for Triple play as well as for the quadruple play application. The upstream and downstream links was analyzed along with the possibilities of reachability extension and last-mile flattening were evaluated.
P. K. Sahu, D. Ghosh
openaire +1 more source
Optical Fiber Communication Conference, 2014
We review power saving in TDM-PONs and propose a mechanism to save the ONU power consumption with backward compatibility. Evaluation results show our proposal reduces ONU receiver power consumption as compared with G-PON and BiPON.
Yuanqiu Luo, Frank Effenberger
openaire +1 more source
We review power saving in TDM-PONs and propose a mechanism to save the ONU power consumption with backward compatibility. Evaluation results show our proposal reduces ONU receiver power consumption as compared with G-PON and BiPON.
Yuanqiu Luo, Frank Effenberger
openaire +1 more source
Candidate modulation schemes for next generation-passive optical networks (NG-PONs)
High Capacity Optical Networks and Emerging/Enabling Technologies, 2012Various approaches have been developed for next generation passive optical networks (NG-PONs) in order to achieve higher data rates, larger counts of wavelength channels, and longer fiber ranges. Several modulation formats together with electronic based digital signal processing (DSP) implementations have been investigated in order to optimally design ...
Amr Ragheb, Habib Fathallah
openaire +1 more source
Capacity and delay analysis in Passive Optical Networks (PONs) - A review
International Journal of Advances in Computing and Information Technology, 2012The dramatic increase of internet users and development of new high volume internet applications has a profound impact on design of next generation passive optical network (NG-PON). Today, most of the available networks are quite busy networks and as the number of nodes increases in the network, the communication over the network also increases.
Ruchi Malhotra, Amit Kumar Garg
openaire +1 more source
Analysis of dense wavelength division multiplexed passive optical network (DWDM-PON)
2017 International Conference on Communication and Signal Processing (ICCSP), 2017The 32 channels dense wavelength division multiplexing passive optical network (DWDM-PON) link is designed with the reach of 40km and 1:32 passive power splitter. A downstream wavelength modulated at the peak data rate of 10Gb/s and each upstream wavelength modulated at the rate of 2.5Gb/s.
Vivek Kachhatiya, Shanthi Prince
openaire +1 more source
Bandwidth Allocation Methods in Passive Optical Access Networks (PONs)
2010Passive Optical Networks (PONs) are very suitable architectures to face today’s access challenges. This technology shows a very cost saving architecture, it provides a huge amount of bandwidth and efficiently supports Quality of Service (QoS). In PON networks, as all subscribers share the same uplink channel, a medium access control protocol is ...
Noemí Merayo +5 more
openaire +1 more source