-------- Original-Nachricht -------- Betreff: [Tccc] IEEE Wireless Communications Magazine Special Issue on Cognitive Radio Networks Datum: Mon, 26 Sep 2011 08:49:37 -0400 Von: My List xjing.list@gmail.com An: Tccc@lists.cs.columbia.edu

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CALL FOR PAPERS *IEEE Wireless Communications Magazine Special Issue on

Cognitive Radio Networks: A Practical Perspective*

Contemporary wireless system design must typically incorporate increased bandwidth requirements due to the persistent trend for higher wireless multimedia data rates. Increased bandwidth may be achieved by developing efficient strategies for spectrum management. The cognitive radio concept proposes to push efficiency in spectrum access and resource allocation beyond its traditional limits, by introducing spectrum sharing, coexistence, and cooperation among heterogeneous wireless networks. This approach has been worldwide recognized by standardization and regulation bodies, and a number of wireless technologies could benefit from it. Examples abound. WiFi networks could operate in other portions of the spectrum than the traditional ones thus avoiding the already overcrowded ISM bands. Sensor networks deployed in factories or highly interfered environments could adaptively select the frequency bands that are less used by other nearby wireless devices and allow reliable data transfer. Communications systems using OFDM could resort to non-contiguous carriers usage for dynamic spectrum access, thus favoring coexistence with other technologies while still providing high data rates.

Important technical challenges still need to be overcome, however, in order to achieve successful coexistence and cooperation among heterogeneous systems. Open research issues cover a wide range of system aspects, from the hardware component up to network layer design. Technical, economical, and regulatory challenges need to be addressed as well. In order to compel the cognitive networking vision, experts in various aspects of wireless design must come together for a joint effort towards system level optimization.

The objective of this special issue is to present a collection of high-quality papers that report the latest research advances in the design and implementation of cognitive networking, as well as survey papers on the major challenges and possible solutions that lead the path to real-world cognitive radio systems.

We solicit both academic and industrial contributions, which are original, previously unpublished and not currently under review by another journal.

The submitted papers should focus on practical aspects of cognitive radio networks, system design issues, implementations/testbeds, or measurements in real environments. Topics of interest include, but are not limited to:

Centralized and distributed spectrum coordination services Regulation issues and use cases Practical applications and standards for cognitive radio (IEEE802.22, IEEE SCC41,Š) Radio spectrum maps, database and usage of white spaces Software defined radio solutions Coexistence among heterogeneous wireless technologies (cellular, WiFi,Š) Implementation of sensing and dynamic spectrum management Design and implementation of cognitive MAC and network-layer protocols Physical layer and advanced signal processing Cross-layer optimization and reconfiguration solutions Security in cognitive radio networks Machine learning and pattern recognition for network identification Evaluation of different design and implementation choices (e.g., sensing vs. use of radio spectrum maps) Feasibility and implementation challenges of cognitive radio solutions in real devices Testbed and field trials with cognitive radio networks Manuscript Submission The papers should be tutorial in nature to help non-expert readers gain a good understanding of the topic. The papers should also discuss recent advances and future research topics. Authors must follow theIEEE Wireless Communications Magazine guidelines for preparation of the manuscript and submit it via Manuscript Central at http://mc.manuscriptcentral.com/ieee-wcm. For further details, please refer to "Submission Guidelines" in IEEE Wireless Communications Magazine website at: http://dl.comsoc.org/livepubs/pci/info/sub_guidelines.html.

*Submission Schedule* Manuscript Submission: January 15, 2012 Notification of acceptance: April 15, 2012 Final Manuscript Due: May 15, 2012 Publication: August 2012

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