This event is endorsed
and organized by

7th International Conference on Cognitive Radio Oriented Wireless Networks

June 18–20, 2012 | Stockholm, Sweden

Crowncom 2012 Full Preliminary Program can be downloaded here: Preliminary Program with Poster sessions and Workshops (pdf) WiFiUS: For more information on the WiFiUS meeting please see website Quasar: For updated information about Quasar workshop please see Project website


Monday 18 June







Jan Färgh, Director Ericsson Research

Catarina Wretman, Deputy Director-General, The Swedish Post and Telecom Authority (PTS) 


Coffee & Networking Break



Petri Mähönen, Institute for Networked Systems (RWTH) Aachen

Open Discussion


Poster Madness Talk

















How to regulate the use of cognitive radio? Session 1

Controlling Aggregate Interference under Adjacent Channel Interference Constraint in TV White Space

Lei Shi, Ki Won Sung, Jens Zander

Field measurements of WSD–DTT protection ratios over outdoor and indoor reference geometries

Pekka Talmola, Juha Kalliovaara, Jarkko Paavola, Reijo Ekman, Heikki Kokkinen, Kari Heiska, Risto Wichman, Jussi Poikonen

On the Permissible Transmit Power for Secondary User in TV White Spaces

Lei Shi, Ki Won Sung, Jens Zander

Effect of geolocation database update algorithms to the use of TV white spaces
Jaakko Ojaniemi, Jussi Poikonen, Risto Wichman

Two Days of Spectrum Use in Europe

Alexandros Palaios, Janne Riihijarvi, Petri Mahonen, Vladimir Atanasovski, Liljana Gavrilovska, Peter Van Wesemael, Antoine Dejonghe, Peter Scheele

Cognitive radio systems Session 1

On Combined Beamforming and OSTBC over the Cognitive Radio S-Channel with Partial CSI

Efthymios Stathakis, Lars K. Rasmussen, Mikael Skoglund

Exploiting Polarization for Spectrum Sensing in Cognitive SatComs

Shree Krishna Sharma, Symeon Chatzinotas,

Bjorn Ottersten

GRaTIS: Sensing and Intelligence for Performance in The Presence of Legacy Networks

Dola Saha, Aveek Dutta, Dirk Grunwald, Douglas Sicker

Detection Error Aware Spectrum Handoff Mechanism for Cognitive Radios

Pedro Smith Coutinho, Marcel William Rocha da Silva, José Ferreira de Rezende

Joint Channel and User Selection for Transmission and Sensing in Cognitive Radio Networks

Salim Eryigit, Tuna Tugcu


Coffee & Networking Break


Poster session 1

Coexistence-Aware Scheduling for LTE and WLAN During Hard In-Device Interference
Sami Kiminki, Vesa Hirvisalo

Always One/Zero Malicious User Detection in Cooperative Sensing Using the FCME Method
Johanna Vartiainen

Channel Reservation in Cognitive Radio Networks with the RESTART Retransmission Strategy
Sandra L. Castellanos-Lopez, Felipe A. Cruz-Pérez, Genaro Hernandez-Valdez

Multiuser Automatic Modulation Classification for Cognitive Radios using Distributed Sensing in Multipath Fading Channels Munawwar M Sohul, Barathram Ramkumar, Tamal Bose

A Novel Architectural Framework and Configuration Scheme for Spectrum Sensing
Abdoulaye BAGAYOKO, Dorin PANAITOPOL, Philippe DELAHAYE, Christian MOUTON

Guaranteed Service and Delay-Constrained Capacity of a Multi-Channel Cognitive Secondary Network
Yuehong Gao, Yuming Jiang

Adaptive Model based on Proactive Spectrum Sensing for Emergency Cognitive Ad hoc Networks
Sasirekha GVK, Jyotsna Bapat

Optimal cost-based strategies in mobile network offloading
Kimmo Berg, Michail Katsigiannis

On the Performance of Spectrum Sharing Systems with Multiple Antennas
Liang Yang, Mohamed-Slim Alouini, Khalid Qaraqe

On Multiuser Switched Diversity Transmission for Spectrum Sharing Systems
Marwa Qaraqe, Mohamed Abdallah, Erchin Serpedin, Mohamed-Slim Alouini

Enhanced Energy Detector Via Algebraic Approach for Spectrum Sensing in Cognitive Radio Networks
Amira Ben Jemaa, Monia Turki, Wael Guibène

Spectrum Sensing using Single-Radio Switched-Beam Antenna Systems
Elpiniki Tsakalaki, David Wilcox, Elisabeth de Carvalho, Constantinos Papadias, Tharmalingam Ratnarajah



How to make business with cognitive radio? Session 1

Impact of deployment costs and spectrum prices on the business viability of mobile broadband using TV white space

Jan I. Markendahl, Pamela Gonzalez-Sanchez, Bengt G. Mölleryd

Business opportunities using white space spectrum and cognitive radio for mobile broadband services

Jan I. Markendahl, Thomas Casey

Spectrum Trading with Interference Rights

Martin B.H. Weiss, Liu Cui

Long-Range Communications In Licence-Exempt TV White Spaces: An Introduction To Soft-Licence Concept

Santosh Kawade


Cognitive radio systems Session 2

Cognitive Radios with Ergodic Capacity Guarantees for Primary Users

Antonio Marques, Luis Lopez-Ramos, Javier Ramos

Minimizing Symbol Error Rate for Cognitive Relaying with Opportunistic Access

AmmarZafarKing, Mohamed-SlimAlouiniKing , Redha Mahmoud Radaydeh

Average Throughput in AWGN Cognitive Fading Interference Channel with Multiple Secondary Pairs

Nicolas Schrammar, Hamed Farhadi, Lars K. Rasmussen, Mikael Skoglund

Per-Node Throughput Performance of Overlapping Cognitive Radio Networks

Jari Nieminen, Lijun Qian, Riku Jäntti

Transmission Capacity of D2D communication under heterogeneous networks with Dual Bands

Ziyang Liu, Tao Peng, Qianxi Lu, Wenbo Wang


End of day


Buses depart from Kista to Dinner Venue in Central Stockholm


Dinner at the Museum of Modern Arts, Stockholm City





Tuesday 19 June




TVWS Session 1

TV White Space Channel Allocation with Simulated Annealing as Meta Algorithm

Bo Ye, Maziar Nekovee, Anjum Pervez, Mohammad Ghavami

A Model Based Approach for Estimating Aggregate Interference in Wireless Networks

Janne Riihijärvi, Petri Mähönen

Aggregate interference from WLAN in the TV white space by using terrain-based channel model

Konstantinos Koufos, Kalle Ruttik, Riku Jäntti

Dimensioning of secondary cellular system in TVWS

Jussi Kerttula, Kalle Ruttik, Riku Jäntti

Availability assessment of TVWS for Wi-Fi-like secondary system: A case study

Pero Latkoski, Jovan Karamacoski, Liljana Gavrilovska, Pero Latkoski

Acropolis Special Session

Torus Quorum System and Difference Set-based Rendezvous in Cognitive Radio Ad Hoc Networks

Sylwia Romaszko, Petri Mahonen

Interference Management Strategy for Deploying Energy Efficient Femtocells Network

Hayar Aawatif, Bouferda Sofia, zayen bassem

Near Optimal Power Allocation Algorithm for OFDM-Based Cognitive Using Adaptive Relaying Strategy

Hamza Soury, Faouzi Bader, Musbah Shaat, Mohamed-Slim Alouini

Combination of DOA and beamforming in position-based routing for underlay cognitive wireless networks

Luca De Nardis, Maria-Gabriella Di Benedetto, Auon Akhtar, Oliver Holland

Comparison of Underlay and Overlay Spectrum Sharing Strategies in MISO Cognitive Channels

Ricardo Blasco-Serrano, Jing Lv, Ragnar Thobaben, Eduard Jorswieck, Adrian Kliks, Mikael Skoglund


Coffee & Networking Break


Marja Matinmikko, VTT, Technical Research Centre of Finland


Crowncom 2013 & 2014 introduction


Poster Madness Talk




Sensing and Estimation Session 1

Empirical modeling of Public Safety Voice Traffic in the Land Mobile Radio band

Roger Brent Bacchus, Tanim Mohammed Taher, Dennis A Roberson, Kenneth J Zdunek

Duty Cycle and Channel Occupancy Rate Estimation with MED-FCME LAD ACC,

Janne Lehtomaki, Risto Vuohtoniemi, Kenta Umebayashi

Location estimation of radio transmitters based on spatial interpolation of RSS values

Valentin Rakovic, Marko Angjelicinoski, Vladimir Atanasovski, Liljana Gavrilovska

Reliability of a Radio Environment Map: Case of Spatial Interpolation Techniques

Daniel Denkovski, Vladimir Atanasovski, Liljana Gavrilovska, Janne Riihijärvi, Petri Mähönen

Estimation of Time-Domain Calibration Parameters to Restore MIMO-TDD Channel Reciprocity

Boris Kouassi, Irfan Ghauri, Luc Deneire

Cognitive radio systems Session 3

Exploiting Knowledge Management for Supporting Spectrum Selection in Cognitive Radio Networks

Faouzi Bouali, Oriol Sallent, Jordi Pérez-Romero, Ramon Agustí


Energy and Throughput Tradeoff in Temporal Spectrum Sharing

Sibel Tombaz, Ki Won Sung, Jens Zander

Opportunistic Spectrum Access in Cognitive Radio Based on Channel Switching

Fakhreddine Gaaloul, Hong-Chuan Yang, Redha M. Radaydeh, Mohamed-Slim Alouini

Joint Congestion Control and Routing Subject to Dynamic Interruptions in Cognitive Radio Networks

Lijun Qian, Husheng Li

Predictive Behavior Classification For Cognitive Radio: Introduction and Preliminary Results

Daniel DePoy


Coffee & Networking Break


Poster Session 2

Spectrum Occupancy Measurements and Analysis Methods on the 2.45 GHz ISM Band
Joonas Kokkoniemi, Janne Lehtomäki

Blind Spectrum Detector for Cognitive Radio using Compressed Sensing and Symmetry Property of the Second Order Cyclic Autocorrelation
Ziad KHALAF, Amor Nafkha, Jacques Palicot

Dynamic valuation function based definition of the primary spectrum user in colocated cellular networks
Michal Szydelko, Jaroslaw Byrka, Jakub Oszmianski

Dynamic Spectrum Management System Aggregating Non-Contiguous Spectrum over TVWS
Yuying Dai, Angelo Cuffaro, Jean-Louis Gauvreau, Rocco Di Girolamo, Athmane Touag, Alpaslan Demir

Spectrum Availability Recheck Scheme (SARS) for Cognitive Radio Systems with Mobility
Woongsup Lee, Dong-Ho Cho

A Comparison of PHY Layer on the Ecma-392 and IEEE 802.11af Standards
Jungsun Um

Server-Uncertain Spectrum Trading in Cognitive Radio Networks: A Queueing-Theoretic Modeling Approach
Lixia Liu, Gang Hu, Yuxing Peng



Evaluation of Multi-Objective Optimizers for Cognitive Radio using Psychometric Methods: Analysis using Unidimensional and Multidimensional Rasch Models
Carl Dietrich, Edward W. Wolfe, Garrett M. Vanhoy

Wideband frequency domain detection using Teager-Kaiser energy operator
Matthieu Gautier, Vincent Berg and Dominique Noguet

Impact of the Primary Resource Occupancy Information on the Performance of Cognitive Radio Networks with VoIP Traffic Sandra L. Castellanos-Lopez, Felipe A. Cruz-Pérez, Mario E. Rivero-Angeles, Genaro Hernandez-Valdez"

The LAD Methods in WLAN Indoor Multipath Channels
Johanna Vartiainen, Janne Lehtomäki, Risto Vuohtoniemi


Sensing and Estimation Session 2

Grid based Cooperative Spectrum Sensing in Cognitive Networks under Correlated Shadowing

Xia Li, Petri Mähönen

Performance Analysis of Eigenvalue Based Spectrum Sensing under Frequency Selective Channels

Sener Dikmese, Markku Renfors

Estimation-Based Noise-Robust Sensing

Andreas Polydoros, Ioannis Dagres

Locally Best Invariant Test for Multiple Primary User Spectrum Sensing

Lu Wei Prathapasinghe Dharmawansa, Olav Tirkkonen

Jointly Optimal Sensing and Resource Allocation for Multiuser Interweave Cognitive Radios

Luis M. Lopez-Ramos, Antonio G. Marqués, Javier Ramos



Gathering at the registration desk in the Atrium for walk to Ericsson


Reception at Ericsson Studio, Demos: ICT of the future



Wednesday 20 June


WiFiUS (NSF) – 8.30

Opening remarks

8.45 Project Presentations (6: 10 + 5 min Q&A/project)


QUASAR workshop – 9.00

Welcome and QUASAR Overview
Prof Jens Zander (KTH), Project Manager

QUASAR Secondary Spectrum Assessment methodology and Tools demonstration
Dr Marina Petrova (RWTH Aachen) and Prof Riku Jäntti (Aalto University)

Secondary Spectrum Business feasibility
Dr Jan Markendahl, (KTH),  Dr Maziar Nekovee(BT)


Coffee & Networking Break


WiFiUS (NSF) (cont.)

10.30 Quick Intro Presentations (15 non-PIs: 5 min/pax)

11.45 Morning Session Wrap-up (group organization)


Quasar workshop (cont.)

 Panel discussion: 
 Secondary spectrum access:  A gap filler technology or game changing paradigm?
Moderator & Organizer:  Dr Maziar Nekovee (BT)
Panelists: TBD




WiFiUS (NSF) (cont.)

13.00 Working groups

14.30 Working groups presentations



Coffee & Networking Break


WiFiUS (NSF) (cont.)

15.15 NSF/Academy/Tekes address

15.45 Invited papers presentations (9: 15 min/paper – in no particular order)

Achievable Transmission Capacity of Cognitive Radio Networks with Cooperative Relaying

Wei Li, Xiuying Chen, Tao Jing, Yan Huo, Xiuzhen Cheng


An Analysis of Competition among Autonomous Devices in Multichannel Cognitive Radios Networks

Zaheer Khan, Janne J Lehtomäki, Luiz A DaSilva, Markku Juntti


Shadow Chasing : A Resource Allocation Scheme For Heterogeneous Networks

Ahmed Ragab Elsherif, Zhi Ding, Xin Liu, Jyri Hämäläinen, Risto Wichman


A Software Defined Testbed for Reconfigurable Antenna Cognitive Radio

Kevin Wanuga, Doug Pfeil, David Gonzalez, Kapil R Dandekar


Bayesian Approach to Spectrum Sensing for Cognitive Radio Applications

Ahmet Gokceoglu, Robert Piche, Mikko Valkama


Design of Spectrum Database Assisted Cognitive Radio Vehicular Networks

Rahman Doost-Mohammady, Kaushik Chowdhury


On TDD cross-tier in-band interference mitigation: a practical example

michal cierny, risto wichman, jyri hämäläinen, cassio ribeiro, zhi ding


Iterative Receiver Signal Processing for Joint Mitigation of Transmitter and Receiver Phase Noise in OFDM-Based Cognitive Radio Link

Ville Syrjälä, Mikko Valkama


Rate Adaptation in Unlicensed Bands under Smart Jamming Attacks

Cankut Orakcal, David Starobinski