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2020 – today
- 2024
[c29]Helio Waldman, Rodrigo C. Bortoletto, Vinicius F. de Souza:
A Comparison between the Erlang and Engset Traffic Models in the Provisioning of an Optical Link. ICTON 2024: 1-4- 2023
- [c28]Henrique A. Dinarte, Gabriela W. Teixeira, Raul C. Almeida, Karcius Day Rosario Assis, Helio Waldman, Daniel A. R. Chaves:
Multipath provisioning for survivable elastic optical networks with optimized RSA ordering selection. ICTON 2023: 1-4 - [c27]Helio Waldman, Rodrigo C. Bortoletto, Vinicius F. de Souza, Raul C. Almeida-Júnior:
A Minimal Idleness Algorithm for Spectrum Assignment on a Single Elastic Link under Dynamic Traffic. ICTON 2023: 1-4 - 2022
- [j23]Helio Waldman
, Raul C. Almeida, Rodrigo C. Bortoletto, Vinicius F. de Souza:
A number-theoretic framework for the mitigation of fragmentation loss in elastic optical links. Photonic Netw. Commun. 43(1): 85-99 (2022) - [c26]Helio Waldman, Rodrigo C. Bortoletto, Vinicius F. de Souza, Raul C. Almeida:
A Proactive Algorithm for the Mitigation of Fragmentation Losses in Elastic Links. LATINCOM 2022: 1-6 - 2021
- [j22]Karcius Day Rosario Assis, Raul C. Almeida, Leonardo P. Dias, Helio Waldman:
Squeezed Protection in Elastic Optical Networks Subject to Multiple Link Failures. IEEE Trans. Netw. Serv. Manag. 18(3): 2612-2626 (2021) - [c25]Karcius D. R. Assis, Raul C. Almeida, Helio Waldman:
Revenue Optimization and Protection with Network Slicing over a Physical Optical Substrate. HPSR 2021: 1-6 - 2020
- [c24]Karcius D. R. Assis, Raul C. Almeida, Helio Waldman, Martin J. Reed, Brigitte Jaumard, Dimitra Simeonidou:
Linear formulation for the design of elastic optical networks with squeezing protection and shared risk link group: Invited Paper. ICTON 2020: 1-5 - [c23]Helio Waldman, Raul C. Almeida, Rodrigo C. Bortoletto:
Performance Gains Imparted by Traffic-Awareness in an Elastic Single Link. ICTON 2020: 1-5 - [c22]Rodrigo Campos Bortoletto, Viktor Santos Moitinho, Helio Waldman:
Utilização de Sistemas Multiagentes para a Simulação do Comportamento de Usuários em Redes de Telecomunicações. SBRC 2020: 617-629
2010 – 2019
- 2019
- [j21]Karcius D. R. Assis, Raul C. Almeida, Helio Waldman, Alex Ferreira dos Santos, Marcelo S. Alencar, Martin J. Reed, Ali Hammad, Dimitra Simeonidou:
SLA Formulation for Squeezed Protection in Elastic Optical Networks Considering the Modulation Format. JOCN 11(5): 202-212 (2019) - [c21]Helio Waldman, Raul C. Almeida, Rodrigo C. Bortoletto:
Capacity Partitioning in the Defragmented Elastic Single Link. ICTON 2019: 1-4 - [c20]Helio Waldman, Raul C. Almeida, Rodrigo C. Bortoletto:
Spectral Idleness Minimization in the Elastic Single Link under Incremental Traffic. LATINCOM 2019: 1-6 - 2016
- [j20]Karcius D. R. Assis, Shuping Peng, Raul C. Almeida, Helio Waldman, Ali Hammad, Alex Ferreira dos Santos, Dimitra Simeonidou:
Network Virtualization Over Elastic Optical Networks With Different Protection Schemes. JOCN 8(4): 272-281 (2016) - [c19]Helio Waldman, I. D. T. de Souza, Raul C. Almeida, Rodrigo C. Bortoletto:
A comparative discussion of some fairness-generating schemes in elastic networking. ICTON 2016: 1-5 - 2015
- [c18]Helio Waldman, Raul C. Almeida, Rodrigo C. Bortoletto, Karcius Day Rosario Assis:
An analytical defragmentation bound on the performance of the elastic single link with dynamic traffic. ICTON 2015: 1-6 - 2014
- [c17]Helio Waldman, Raul C. Almeida, Rodrigo C. Bortoletto, Karcius Day Rosario Assis:
Deadlock avoidance under incremental traffic in the elastic single link. ICTON 2014: 1-4 - 2012
- [c16]Karcius D. R. Assis, Raul C. Almeida, Helio Waldman:
MILP formulation for squeezed protection in Spectrum-Sliced Elastic Optical Path Networks. SPECTS 2012: 1-7 - 2011
- [j19]Darli A. A. Mello, Helio Waldman, Gustavo S. Quitério:
Interval availability estimation for protected connections in optical networks. Comput. Networks 55(1): 193-204 (2011) - 2010
- [j18]Helio Waldman, Darli A. A. Mello:
SLA-Aware Survivability. J. Networks 5(2): 251-255 (2010) - [j17]Gustavo Sousa Pavani, Helio Waldman:
Routing and wavelength assignment with crankback re-routing extensions by means of ant colony optimization. IEEE J. Sel. Areas Commun. 28(4): 532-541 (2010)
2000 – 2009
- 2009
- [j16]Gustavo Sousa Pavani, Helio Waldman:
Co-scheduling in Lambda Grid Systems by means of Ant Colony Optimization. Future Gener. Comput. Syst. 25(3): 257-265 (2009) - 2008
- [j15]Gustavo Sousa Pavani, Luiz Gustavo Zuliani, Helio Waldman, Maurício F. Magalhães:
Distributed approaches for impairment-aware routing and wavelength assignment algorithms in GMPLS networks. Comput. Networks 52(10): 1905-1915 (2008) - [j14]Raul C. Almeida Jr., Divanilson Campelo, Adolfo V. T. Cartaxo, Kenneth M. Guild, Helio Waldman:
Efficient Wavelength Assignment Policy for XPM-Impaired WDM Networks. IEEE Commun. Lett. 12(10): 791-793 (2008) - [j13]Gustavo Sousa Pavani, Helio Waldman:
Addressing self-similarity in optical switching networks by means of ant colony optimization. Photonic Netw. Commun. 15(1): 41-50 (2008) - [j12]Gustavo Sousa Pavani, Helio Waldman:
Restoration in wavelength-routed optical networks by means of ant colony optimization. Photonic Netw. Commun. 16(1): 83-91 (2008) - [c15]José Maranhão Neto, Helio Waldman, André Soares, William Giozza:
Wavelength conversion architectures in OBS networks. NOMS 2008: 939-942 - 2007
- [j11]Raul C. Almeida Jr., Divanilson Campelo, Helio Waldman, Kenneth M. Guild:
Accounting for Link Load Correlation in the Estimation of Blocking Probabilities in Arbitrary Network Topologies. IEEE Commun. Lett. 11(7): 625-627 (2007) - [j10]Darli A. A. Mello, Helio Waldman:
Analytical Bounds on the Unavailability of Protected Connections in WDM Optical Networks. IEEE Commun. Lett. 11(11): 901-903 (2007) - [j9]Divanilson R. Campelo, Raul C. Almeida Jr., Helio Waldman:
Analytical calculation of blocking probabilities in WDM rings with the first-fit algorithm. Photonic Netw. Commun. 14(2): 177-181 (2007) - [c14]Marcio S. Savasini, Paolo Monti, Marco Tacca, Andrea Fumagalli, Helio Waldman:
Regenerator Placement with Guaranteed Connectivity in Optical Networks. ONDM 2007: 438-447 - 2006
- [j8]Divanilson Campelo, Helio Waldman:
Throughput gains imparted by slotting on a blocking line medium. IEEE Commun. Lett. 10(3): 201-203 (2006) - [c13]Gustavo Sousa Pavani, Helio Waldman:
Traffic Engineering and Restoration in Optical Packet Switching Networks by means of Ant Colony Optimization. BROADNETS 2006 - [c12]Gustavo Sousa Pavani, Helio Waldman:
Grid Resource Management by means of Ant Colony Optimization. BROADNETS 2006 - [c11]Marcio A. Silva, Tereza Cristina M. B. Carvalho, Regina Melo Silveira, Gélio M. Ferreira, Wilson Vicente Ruggiero, Hugo L. Fragnito, Helio Waldman, Carlos Ruggiero, Luiz F. Lopez:
Fiber-based testbed architecture enabling advanced experimental research. TRIDENTCOM 2006 - 2005
- [j7]Raul C. Almeida Jr., Jefferson U. Pelegrini, Helio Waldman:
A generic-traffic optical buffer modeling for asynchronous optical switching networks. IEEE Commun. Lett. 9(2): 175-177 (2005) - [j6]Helio Waldman, Divanilson Campelo:
Asymptotic blocking probabilities in rings with single-circuit links. IEEE Commun. Lett. 9(6): 564-566 (2005) - [j5]Darli A. A. Mello, Dominic A. Schupke, Helio Waldman:
A matrix-based analytical approach to connection unavailability estimation in shared backup path protection. IEEE Commun. Lett. 9(9): 844-846 (2005) - [c10]Helio Waldman, Divanilson Campelo:
Analytical calculation of blocking probabilities in WDM rings with wavelength conversion. BROADNETS 2005: 65-71 - [c9]Darli A. A. Mello, Dominic A. Schupke, Matthias Scheffel, Helio Waldman:
Availability maps for connections in WDM optical networks. DRCN 2005: 77-84 - 2004
- [c8]Iguatemi E. Fonseca, Raul C. Almeida Jr., Helio Waldman, Moisés R. N. Ribeiro:
Meeting Optical QoS Requirements with Reduced Complexity in Dynamic Wavelength Assignment. BROADNETS 2004: 331-333 - [c7]Raul C. Almeida Jr., Jefferson U. Pelegrini, Helio Waldman:
Optical buffer modelling for performance evaluation considering any packet inter-arrival time distribution. ICC 2004: 1771-1775 - [c6]Darli A. A. Mello, Jefferson U. Pelegrini, Marcio S. Savasini, Gustavo Sousa Pavani, Helio Waldman:
Inter-arrival Planning for Sub-graph Routing Protection in WDM Networks. ICT 2004: 328-335 - [c5]Karcius D. R. Assis, Marcio S. Savasini, Helio Waldman:
Iterative Optimization in VTD to Maximize the Open Capacity of WDM Networks. ICT 2004: 735-742 - [c4]Darli A. A. Mello, Marcio S. Savasini, Jefferson U. Pelegrini, Helio Waldman:
On-Arrival Planning for Sub-Graph Routing Protection in WDM Networks. OpNeTec 2004: 129-136 - 2003
- [c3]Helio Waldman, Divanilson Campelo, Raul C. Almeida Jr.:
A new analytical approach for the estimation of blocking probabilities in linear all-optical networks. GLOBECOM 2003: 2478-2482 - [c2]Raul C. Almeida Jr., Jefferson U. Pelegrini, Helio Waldman:
DiffServ implementation by a balking mechanism in delay-line buffering. GLOBECOM 2003: 2684-2688 - 2002
- [j4]Michel Daoud Yacoub, Carlos Eduardo Vassimon, Helio Waldman:
Wireless communications track in Brazil. IEEE Commun. Mag. 40(5): 47-50 (2002) - 2000
- [c1]Helio Waldman, Divanilson R. Campelo, R. Camelo:
Dynamic priority strategies for wavelength assignment in WDM rings. GLOBECOM 2000: 1288-1292
1990 – 1999
- 1997
- [j3]Moisés R. N. Ribeiro, Helio Waldman, Jackson Klein, Leonardo de Souza Mendes:
Error-Rate Patterns for the Modeling of Optically Amplified Transmission Systems. IEEE J. Sel. Areas Commun. 15(4): 707-716 (1997) - 1995
- [j2]Helio Waldman, Eduardo Nisenbaum:
Upper bounds and Hamming spheres under the DC constraint. IEEE Trans. Inf. Theory 41(4): 1138-1145 (1995)
1980 – 1989
- 1981
- [j1]Helio Waldman:
Tolerable Q-Factor Variations in PCM Lines. IEEE Trans. Commun. 29(7): 1066-1070 (1981)
Coauthor Index
aka: Karcius Day Rosario Assis
aka: Rodrigo Campos Bortoletto
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