搜索结果: 1-15 共查到“工学 Multicast”相关记录18条 . 查询时间(0.113 秒)
A Novel Segment-Based Protection Algorithm for Multicast Sessions in Optical Networks with Mesh Topologies
Fiber optics optical communications Networks multicast
2015/5/25
This work examines protection of multicast sessions in optical networks utilizing a novel segment-based algorithm called Level Protection. Our proposed scheme exhibits improved performance compared to...
Dynamic λ-OFDMA with selective multicast overlaid
Dynamic λ-OFDMA selective multicast overlaid
2015/5/18
We experimentally demonstrate a dynamic λ-OFDMA with selective DPSK overlaid,and multicast control is realized through an alternative LO. The 10-Gb/s P2P signal, 2.5-Gb/s overlaid and 1.25-Gb/s upstre...
7×10-Gbit/s All-optical Wavelength Multicast based on Cross-gain Modulation and Cascaded Four-wave Mixing Effects in an SOA Using Single Pump Laser Source
All-optical Wavelength Cross-gain Modulation Cascaded Four-wave Mixing
2015/5/15
By combining XGM, and cascaded FWM effects in an SOA, seven multicast channels with 100-GHz spacing are demonstrated using single pump laser source. The power penalty of these multicast channels is le...
Selective Multicast in a Dynamic Wavelength Router for DWDM Converged Wired/Wireless Access Networks
Networks Multicast wavelength routing
2015/6/10
Transmission of selective multicast services has been demonstrated in a cost-effective dynamic channel allocation router. The approach envisions heterogeneous infrastructures with unicast, broadcast a...
A WDM-PON Optical Multicast Overlay Scheme Using Inverse-RZ-Duobinary Signal
Fiber optics communicat ions Modulation Systems
2015/6/8
We propose and demonstrate optical multicast overlay on WDM-PON employing bandwidth efficient Inverse-RZ-duobinary signal. Multicast overlay control is realized by tuning the bias at the point-to-poin...
Designing and Engineering Metropolitan Area Transparent Optical Networks for the Provisioning of Multicast Sessions
Designing Engineering Metropolitan Area Transparent Optical Networks Provisioning Multicast Sessions
2015/6/4
We investigate the problem of designing and engineering metropolitan area optical networks for the provisioning of multicast sessions. The Q-factor for each session is taken into account, aiming at ma...
ANovel WDM-OFDM-PONArchitecture with Centralized Lightwave and PolSK-assisted Multicast Overlay
Networks Optical Communications
2015/6/4
We experimentally demonstrate a novel WDM-OFDM-PON architecture with centralized lightwave sources and PolSK multicast overlay. The 10Gb/s P2P signals, 2.5Gb/s multicast signals and 2.5Gb/s upstream s...
Network Traffic Properties of Bimodal Multicast Protocol
Multicast network traffic self-similarity long-range dependence
2009/7/28
The popularity of large-scale distributed applications, such as videoconferencing, multimedia dissemination, electronic stock exchange and distributed cooperative work, has grown with the availability...
A Novel Multicast Overlay Scheme for WDM Passive Optical Networks using Optical Carrier Suppression Technique
WDM Passive Optical Networks Optical Carrier Suppression Technique
2015/7/20
A WDM-PON with simultaneous delivery of 10-Gb/s downstream unicast and upstream data as well as 10-Gb/s multicast data is proposed. Downstream multicast data is superimposed onto the subcarrier genera...
Multicast Protection in WDM Optical Networks with Scheduled Traffic
Multicast Protection WDM Optical Networks Scheduled Traffic
2015/7/17
We formulate and investigate the multicast tree protection in WDM optical networks with scheduled traffic. By optimizing the network resources jointly in space and time, survivable multicast sessions ...
A coding approach to the multicast stream authentication problem
Stream authentication Polynomial reconstruction Rateless codes Erasure codes
2012/12/3
We study the multicast stream authentication problem when an opponent can drop, reorder and introduce data packets into the communication channel. In such a
model, packet overhead and computing effic...
Cost-effective WDM-PON for Simultaneously Transmitting Unicast and Broadcast/multicast Data by superimposing IRZ signal onto NRZ signal
Cost-effective WDM-PON Simultaneously Transmitting Unicast Broadcast/multicast Data
2015/8/3
We propose a novel WDM-PON broadcast/multicast architecture that superimposes inverse-RZ signal onto NRZ unicast signal. Multicast control is realized through extinction ratio adjustment of the NRZ si...
Optical Multicast Tree Construction Algorithm Considering SNR Constraint and 3R Regeneration
Optical Multicast Construction Algorithm SNR Constraint Regeneration
2015/8/3
We propose a novel multicast tree construction algorithm for video distribution/multicasting. The algorithm successfully handles the optical signal impairments caused by transmission and branching, an...
AbstractThe ever-increasing multicast data applications recently have aroused considerable interests in the design of congestion control scheme for multicast services. This kind of study is indeed imp...
An Hybrid Approach for Efficient Multicast Stream Authentication over Unsecured Channels
Stream Authentication Polynomial Reconstruction Unsecured Channel Merkle Hash Tree Erasure Code
2012/12/3
We study the multicast stream authentication problem when an opponent can drop, reorder and inject data packets into the communication channel. In
this context, bandwidth limitation and fast authenti...