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Thesis
Real-time Communication over Cluster-tree Wireless Sensor Networks HURRAY-TR-101001 
Petr JurcikPhD Thesis. 5, Oct, 2010. Prague, Czech Republic.
On the use of IEEE 802.15.4/ZigBee for Time-Sensitive Wireless Sensor Network Applications HURRAY-TR-081005 
Ricardo SeverinoMaster Thesis. 1, Oct, 2008. Porto, Portugal.EWSN'09 Best MSc Thesis Award
Books & Book Chapters
IEEE 802.15.4: a Federating Communication Protocol for Time-Sensitive Wireless Sensor Networks HURRAY-TR-060202 
Anis Koubâa, Mário Alves, Eduardo TovarChapter in "Sensor Networks and Configurations: Fundamentals, Techniques, Platforms, and Experiments", Springer-Verlag. Jan 2007, pp 19-49. Germany.
Journal Papers
Energy efficient scheduling for cluster-tree Wireless Sensor Networks with time-bounded data flows: application to IEEE 802.15.4/ZigBee HURRAY-TR-100501 
Petr Jurcik, Zdeněk HanzálekTransactions on Industrial Informatics, IEEE. Aug 2010, Volume 6, Issue 3, pp 438-450.
Dimensioning and Worst-case Analysis of Cluster-Tree Sensor Networks HURRAY-TR-100302 
Petr Jurcik, Ricardo Severino, Anis Koubâa, Mário Alves, Eduardo TovarACM Transactions on Sensor Networks (TOSN), Article No 14, ACM. Aug 2010, Volume 7, Issue 2.
TDBS: A Time Division Beacon Scheduling Mechanism for ZigBee Cluster-Tree Wireless Sensor Networks HURRAY-TR-081201 
Anis Koubâa, André Cunha, Mário Alves, Eduardo TovarReal-Time Systems Journal, Springer. Dec 2008, Volume 40, Issue 3, pp 321-354.
An implicit GTS allocation mechanism in IEEE 802.15.4 for time-sensitive wireless sensor networks: theory and practice HURRAY-TR-080302 
Anis Koubâa, Mário Alves, Eduardo Tovar, André CunhaReal-Time Systems Journal, Springer. Aug 2008, Volume 39, Issue 1-3, pp 169-204.On-line since 21/Nov/2007
Energy/Delay Trade-off of the GTS Allocation Mechanism in IEEE 802.15.4 for Wireless Sensor Networks HURRAY-TR-070703 
Anis Koubâa, Eduardo Tovar, Mário AlvesInternational Journal of Communication Systems, John Wiley & Sons. 11, Jul, 2007, Volume 20, Issue 7, pp 791-808.
Conference or Workshop Papers
Simulation study of energy efficient scheduling for IEEE 802.15.4/ZigBee cluster-tree Wireless Sensor Networks with time-bounded data flows HURRAY-TR-101101 
Petr Jurcik, Zdeněk Hanzálek15th IEEE International Conference on Emerging Technologies and Factory Automation (ETFA 2010), IEEE. 13 to 16, Sep, 2010, pp 1-8. Bilbao, Spain.
A Traffic Differentiation Add-On to the IEEE 802.15.4 Protocol: implementation and experimental validation over a real-time operating system HURRAY-TR-100910 
Ricardo Severino, Manish Batsa, Mário Alves, Anis Koubâa13th Euromicro Conference on Digital System Design (DSD 2010), IEEE. 1 to 3, Sep, 2010, pp 501-508. Lille, France.
F-LQE: A Fuzzy Link Quality Estimator for Wireless Sensor Networks HURRAY-TR-091201 
Nouha Baccour, Anis Koubâa, Habib Youssef, Maissa ben Jamâa, Denis Rosário, Mário Alves, Leandro Becker7th European Conference on Wireless Sensor Networks (EWSN 2010), Springer Berlin Heidelberg. 17 to 19, Feb, 2010, 5970, pp 240-255. Coimbra, Portugal.
ZIGBEE OVER TINYOS: IMPLEMENTATION AND EXPERIMENTAL CHALLENGES HURRAY-TR-090202 
André Cunha, Ricardo Severino, Nuno Pereira, Anis Koubâa, Mário Alves8th Portuguese Conference on Automatic Control (CONTROLO’2008). 21 to 23, Jul, 2008. Vila Real, Portugal.
A Simulation Model for the IEEE 802.15.4 protocol: Delay/Throughput Evaluation of the GTS Mechanism HURRAY-TR-071001 
Petr Jurcik, Anis Koubâa, Eduardo Tovar, Zdeněk Hanzálek, Mário AlvesMASCOTS´07, 15th IEEE International Symposium on Modeling, Analysis, and Simulation of Computer and Telecommunication Systems. 24 to 26, Oct, 2007, pp 109-116. Istambul, Turkey.
Open-ZB: an open-source implementation of the IEEE 802.15.4/ZigBee protocol stack on TinyOS HURRAY-TR-071002 
André Cunha, Anis Koubâa, Mário Alves, Ricardo Severino4th IEEE International Conference on Mobile Ad-hoc and Sensor Systems (MASS´07), IEEE. 8 to 11, Oct, 2007, pp 1-12. Pisa, Italy.
On a IEEE 802.15.4/ZigBee to IEEE 802.11 Gateway for the ART-WiSe Architecture HURRAY-TR-070901 
João Leal, André Cunha, Anis Koubâa, Mário Alves12th IEEE Conference on Emerging Technologies and Factory Automation (ETFA´07), IEEE. 25 to 28, Sep, 2007, pp 1388-1391. Patras, Greece.
Fault-Tolerance Mechanisms for Zigbee Wireless Sensor Networks HURRAY-TR-070701 
Skender Ben Attia, André Cunha, Anis Koubâa, Mário Alves19th Euromicro Conference on Real-Time Systems (ECRTS 07). 4 to 6, Jul, 2007, Work-In-Progress Session. Pisa, Italy.
A Time Division Beacon Scheduling Mechanism for IEEE 802.15.4/Zigbee Cluster-Tree Wireless Sensor Networks HURRAY-TR-070702 
Anis Koubâa, André Cunha, Mário Alves19th Euromicro Conference on Real-Time Systems (ECRTS 07), IEEE. 4 to 6, Jul, 2007, pp 125-135. Pisa, Italy.
Best Paper Award

Collision-Free Beacon Scheduling Mechanisms for IEEE 802.15.4/Zigbee Cluster-Tree Wireless Sensor Networks HURRAY-TR-070511 
Anis Koubâa, Anneleen Van Nieuwenhuyse, Melek Attia, Mário Alves7th International Workshop on Applications and Services in Wireless Networks (ASWN2007). 24 to 25, May, 2007. Santander, Spain.
Modelling and Worst-Case Dimensioning of Cluster-Tree Wireless Sensor Networks HURRAY-TR-061004 
Anis Koubâa, Mário Alves, Eduardo Tovar27th IEEE Real-time Systems Symposium (RTSS’06), IEEE. 5, Dec, 2006, pp 412-421. Rio de Janeiro, Brasil.
Improving the IEEE 802.15.4 Slotted CSMA/CA MAC for Time-Critical Events in Wireless Sensor Networks HURRAY-TR-060704 
Bilel Nefzi, Ye-Qiong Song, Anis Koubâa, Mário Alves5th Intl Workshop on Real Time Networks (RTN'06). 5 to 7, Jul, 2006. Dresden, Germany.
On the Development of a Test-Bed Application for the ART-WiSe Architecture HURRAY-TR-060705 
Ricardo Severino, Emmanuel Lomba, André Cunha, Anis Koubâa, Mário AlvesWork in Progress Session, 18th Euromicro Conference on Real-Time Systems (ECRTS’06). 5 to 7, Jul, 2006. Dresden, Germany.
i-GAME: An Implicit GTS Allocation Mechanism in IEEE 802.15.4 HURRAY-TR-060706 
Anis Koubâa, Mário Alves, Eduardo Tovar18th Euromicro Conference on Real-Time Systems (ECRTS’06), IEEE. 5 to 7, Jul, 2006, pp 183-192. Dresden, Germany.
A Comprehensive Simulation Study of Slotted CSMA/CA for IEEE 802.15.4 Wireless Sensor Networks HURRAY-TR-060601 
Anis Koubâa, Mário Alves, Eduardo Tovar5th IEEE International Workshop on Factory Communication Systems (WFCS 2006), IEEE. 28 to 30, Jun, 2006, pp 183-192. Torino, Italy.
GTS Allocation Analysis in IEEE 802.15.4 for Real-Time Wireless Sensor Networks HURRAY-TR-060404 
Anis Koubâa, Mário Alves, Eduardo Tovar14th International Workshop on Parallel and Distributed Real-Time Systems (WPDRTS’06). 1, Apr, 2006. Rhodes Island, Greece.Special track on Wireless Sensor Networks.
A Two-Tiered Architecture for Real-Time Communications in Large-Scale Wireless Sensor Networks: Research Challenges HURRAY-TR-050701 
Anis Koubâa, Mário AlvesWork in Progress Session, 17th Euromicro Conference on Real-Time System (ECRTS 05). 6, Jul, 2005. Palma de Mallorca, Spain.Also available as IRISA Research Report, number PI-1723, pp. 33-36, ftp://ftp.irisa.fr/techreports/2005/PI-1723.pdf
Conference or Workshop Posters/Demos
Engineering a Search and Rescue Application with a Wireless Sensor Network-based Localization Mechanism HURRAY-TR-070601 
Ricardo Severino, Mário AlvesPoster presented in 8th IEEE International Symposium on a World of Wireless, Mobile and Multimedia Networks (WoWMoM´07), IEEE. 18 to 21, Jun, 2007, pp 1-4. Helsinki, Finland.
Technical Reports
Open-ZB: an open-source implementation of the IEEE 802.15.4/ZigBee protocol stack on TinyOS HURRAY-TR-070409 
André Cunha, Anis Koubâa, Ricardo Severino, Mário Alves9, Apr, 2007.
Implementation Details of the Time Division Beacon Scheduling Approach for ZigBee Cluster-Tree Networks HURRAY-TR-070102 
André Cunha, Anis Koubâa, Mário Alves1, Jan, 2007.
An IEEE 802.15.4 protocol implementation (in nesC/TinyOS): Reference Guide v1.0 HURRAY-TR-061106 
André Cunha, Mário Alves1, Nov, 2006.
Collision-Free Beacon Scheduling Mechanisms for IEEE 802.15.4/Zigbee Cluster-Tree Wireless Sensor Networks HURRAY-TR-061104 
Anneleen Van Nieuwenhuyse, Melek Attia, Anis Koubâa, Mário Alves1, Nov, 2006.
Implementation of the i-GAME mechanism in IEEE 802.15.4 WPANs HURRAY-TR-060707 
André Cunha, Anis Koubâa, Mário Alves1, Jul, 2006.IPP-HURRAY Technical Report - TR-060707, July 2006
On the use of the ZigBee protocol for Wireless Sensor Networks HURRAY-TR-060603 
Anneleen Van Nieuwenhuyse, Anis Koubâa, Mário Alves1, Jun, 2006.
Beacon scheduling in cluster-tree IEEE 802.15.4/ZigBee Wireless Sensor Networks HURRAY-TR-060604 
Melek Attia, Anis Koubâa, Mário Alves1, Jun, 2006.
On the Performance Limits of Slotted CSMA/CA in IEEE 802.15.4 for Broadcast Transmissions in Wireless Sensor Networks HURRAY-TR-060401 
Ye-Qiong Song, Anis Koubâa, Mário Alves, Eduardo Tovar1, Apr, 2006.
Energy/Delay Trade-off of the GTS Allocation Mechanism in IEEE 802.15.4 for Wireless Sensor Networks HURRAY-TR-060103 
Anis Koubâa, Mário Alves, Eduardo Tovar1, Jan, 2006.
GTS Allocation Analysis in IEEE 802.15.4 for Real-Time Wireless Sensor Networks HURRAY-TR-051204 
Anis Koubâa, Mário Alves, Eduardo Tovar1, Dec, 2005.
Lower Protocol Layers for Wireless Sensor Networks: A Survey HURRAY-TR-051101 
Anis Koubâa, Mário Alves1, Nov, 2005.
A Real-Time Sensor Network Architecture with Power-Efficient Resource Reservation in IEEE 802.15.4 HURRAY-TR-050801 
Anis Koubâa, Mário Alves, Eduardo Tovar1, Aug, 2005.
IEEE 802.15.4 for Wireless Sensor Networks: A Technical Overview HURRAY-TR-050702 
Anis Koubâa, Mário Alves, Eduardo Tovar1, Jul, 2005.