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Journal Papers

Dynamic Frequency Hopping Communities for Efficient IEEE 802.22 Operation
Citation key hu07dynamic_frequency_hopping
Author Hu, Wendong and Willkomm, Daniel and Chu, Liwen and Abusubaih, Murad and Gross, James and Vlantis, George and Gerla, Mario and Wolisz, Adam
Pages 80–87
Year 2007
ISSN 0163-6804
DOI 10.1109/MCOM.2007.358853
Journal IEEE Communications Magazine, Special Issue
Volume 45
Number 5
Month May
Abstract One of the key challenges of the emerging Cognitive Radio based IEEE 802.22 Wireless Regional Area Networks (WRAN) is to Location two apparently conflicting requirements: assuring QoS satisfaction for WRAN services, while providing reliable spectrum sensing for guaranteeing licensed user protection. To perform reliable sensing, in the basic operation mode on a single frequency band (the non-hopping mode), one has to allocate Quiet Times, i.e. periodically interrupt data transmission which could impair the QoS of WRAN. This critical issue can be addressed by an alternative operation mode proposed in 802.22 called Dynamic Frequency Hopping (DFH) where WRAN data transmission is performed in parallel with spectrum sensing without interruptions. DFH Community, as described in this paper, is a mechanism that coordinates multiple WRAN cells operating in the DFH mode such that efficient frequency usage and reliable channel sensing are achieved. The key idea of DFH Community is that neighboring WRAN cells form cooperating communities which coordinate their DFH operations.
Bibtex Type of Publication JournalPapersAndBookChapters
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Book chapters


Wiethölter, S. and Emmelmann, M. "Modeling Handover from the Access Networks Perspective", in Modeling and Tools for Network Simulation, pp. 341–356, March, 2010.

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de Baynast, A., Bohge, M., Willkomm, D. and Gross, J. "Physical Layer Modeling", in Modeling and Tools for Network Simulation, pp. 135–172, March, 2010.

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Hernández, J. A., López, V., García Dorado, J. L., Nejabati, R., Overby, H., Rostami, A., Vlachos, K. and Zervas, G. "Optical burst switching", in Enabling Optical Internet with Advanced Network Technologies, pp. 87-130, 2009.

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Emmelmann, M., Rathke, B. and Wolisz, A. "Mobility Support for Wireless PAN, LAN and MAN", in Mobile WiMAX: Toward Broadband Wireless Metropolitan Area, 2007.

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Sgroi, M., Wolisz, A., Sangiovanni-Vincentelli, A. and Rabaey, J. M. "A Service-Based Universal Application Interface for Ad Hoc Wireless Sensor and Actuator Networks", in Ambient intelligence, 2005.

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Book chapters (incollection)

Happ, D., Karowski, N., Menzel, T., Handziski, V. and Wolisz, A. "Enabling Cloud-centric IoT with Publish/subscribe Systems", in Internet of Things: Challenges, Advances and Applications, pp. 195–212, January, 2018.

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Budzisz, Ł. and Wolisz, A. "Home and enterprise networks", in Green Communications: Priciples, Concepts and Practice, May, 2015.

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Zubow, A., Fischer, J., Redlich, J.-P., Scheuermann, B., Schiller, J., Günes, M., Nagel, K., Wagner, P., Scheidgen, M., Eveslage, I., Sombrutzki, R. and Juraschek, F. "From Earthquake Detection to Traffic Surveillance – About Information and Communication Infrastructures for Smart Cities", in System Analysis and Modeling: Theory and Practice, vol. 7744, pp. 121–141, 2013.

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Ergin, M. O., Baydere, S., Cayirci, E., Hacioglu, I., Ollero, A., Maza, I., Viguria, A., Bonnet, P. and Lijding, M. "Applications and Application Scenarios", in Cooperating Embedded Systems and Wireless Sensor Networks (ISTE), 2010.

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Woesner, H., Maier, M. and Wolisz, A. "Comparison of Single-Hop and Multihop AWG-Based WDM Networks", in Next Generation Optical Network Design and Modelling, pp. 51–65, 2003.

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Kubisch, M., Karl, H. and Wolisz, A. "Are Classes of Nodes with Different Power Amplifiers Good for Wireless Multi-hop Networks?", in Lecture Notes in Computer Science, vol. 2775, pp. 841 - 846, 2003.

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Wolisz, A. "Information Access is Fine, But Who is Going to Pay", in New Developments in Distributed Applications and Interoperable Systems, pp. 149–160, September, 2001.

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Wolisz, A. "Wireless Internet Architectures: Selected Issues", in Personal Wireless Communications, pp. 1–16, September, 2000. (Invited Paper)

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Woesner, H. "Primenet - A Concept for a WDM-based Fiber Backbone", in Optical Network Design and Modelling, pp. 98–106, April, 1998.

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Röhl, C., Woesner, H. and Wolisz, A. "A Short Look on Power Saving Mechanisms in the Wireless LAN Standard IEEE 802.11", in Advances in Wireless Communications, pp. 219–226, April, 1998.

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Ebert, J.-P., Holtkamp, R., Wolisz, A. and Ramel, L. "A Distributed Media Access Control for Wireless ATM Environments", in Advances in Wireless Communications, pp. 93–108, April, 1998.

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Willig, A. and Schieferdecker, I. "Specifying and Verifying the Steam Boiler Control System with Time Extended LOTOS", in The Steam Boiler Case Study Book, November, 1996.

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Schulzrinne, H., Smirnov, M., Roth, R. and Wolisz, A. "IP Multicasting over ATM: The Multicube Approach", in Global Information Infrastructure (GII) Evolution. Interworking Issues, pp. 181–190, October, 1996.

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Wolisz, A., Schläger, M., Weinmiller, J. and Woesner, H. "Wireless access to high speed networks", in High-Speed Networking for Multimedia Applications, pp. 361–381, June, 1996.

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