HomePublications

2022

Nikooroo, M. and Becvar, Z.
Optimization of Total Power Consumed by Flying Base Station Serving Mobile Users
IEEE IEEE Transactions on Network Science and Engineering, 2022.

Kishani, M., Becvar, Z., Nikooroo, M. and Asad, H.
Reducing Storage and Communication Latencies in Vehicular Edge Cloud
EuCNC & 6G Summit 2022, 2022.

Madelkhanova, A., Becvar, Z. and Spyropoulos, T.
Q-Learning-based Setting of Cell Individual Offset for Handover of Flying Base Stations
IEEE Vehicular Technology Conference (IEEE VTC2022-Spring), 2022.

Mach, P., Becvar, Z. and Plachy, J.
Mitigation of Doppler Effect in High-speed Trains through Relaying
IEEE Vehicular Technology Conference (IEEE VTC2022-Spring), 2022.

Najla, M., Becvar, Z., Mach, P. and Gesbert, D.
System and Methods for Device-to-Device Communication
US patent with application No. 16/919,990, 2022.

Mach, P., Becvar, Z. and Najla, M.
Power Allocation, Channel Reuse, and Positioning of Flying Base Stations with Realistic Backhaul
IEEE Internet of Things Journal, volume 9, no. 3, 2022.

Nikooroo, M. and Becvar, Z.
Optimal Positioning of Flying Base Stations and Transmission Power Allocation in NOMA Networks
IEEE Transactions on Wireless Communications, volume 21, no. 2, 2022.

2021

Zafaruddin, S.M., Plachy, J., Becvar, Z. and Leshem, A.
Energy Consumption Performance of Opportunistic Device-to-Device Relaying Under Lognormal Shadowing
IEEE Systems journal, volume 15, no. 4, 2021.

Elfiky, M., Becvar, Z. and Mach, P.
Dynamic Adjustment of Scheduling Period in Mobile Networks Based on C-RAN
IEEE Vehicular Technology Conference (IEEE VTC-Fall 2021), 2021.

Kishani, M., Becvar, Z. and Asadi, H.
PADSA: Priority-Aware Block Data Storage Architecture for Edge Cloud Serving Autonomous Vehicles
IEEE Vehicular Networking Conference (IEEE VNC 2021), 2021.

Hossain, M.S. and Becvar, Z.
Soft Frequency Reuse with Allocation of Resource Plans based on Machine Learning in the Networks with Flying Base Stations
IEEE Access, volume 9, 2021.

Najla, M., Becvar, Z. and Mach, P.
Reuse of Multiple Channels by Multiple D2D Pairs in Dedicated Mode: Game Theoretic Approach
IEEE Transactions on Wireless Communications, volume 20, no. 7, 2021.

Nugraha, T., Becvar, Z. and Mach, P.
Selection of Relays in Multi-Pair D2D Communication with Multicast
European Wireless (EW 2021), 2021.

Najla, M., Becvar, Z., Mach, P. and Gesbert, D.
Positioning and Association Rules for Transparent Flying Relay Stations
IEEE Wireless Communications Letters, volume 10, no. 6, 2021.

Plachy, J., Becvar, Z., Calvanese Strinati, E. and di Pietro, N.
Dynamic Allocation of Computing and Communication Resources in Multi-Access Edge Computing for Mobile Users
IEEE Transactions on Network and Service Management, 2021.

Becvar, Z., Mach, P., Elfiky, M. and Sakamoto, M.
Hierarchical Scheduling for Suppression of Fronthaul Delay in C-RAN with Dynamic Functional Split
IEEE Communications Magazine, volume 59, no. 4, 2021.

Mach, P., Spyropoulos, T. and Becvar, Z.
Incentive-based D2D Relaying in Cellular Networks
IEEE Transactions on Communications, volume 69, no. 3, 2021.

Madelkhanova, A. and Becvar, Z.
Optimization of Cell Individual Offset for Handover of Flying Base Station
IEEE Vehicular Technology Conference (IEEE VTC-Spring 2021), 2021.

2020

Najla, M., Becvar, Z., Mach, P. and Gesbert, D.
Predicting Device-to-Device Channels from Cellular Channel Measurements: A Learning Approach
IEEE Transactions on Wireless Communications, volume 19, no. 11, 2020.

Becvar, Z. and Mach, P.
Hierarchical resource scheduling method of wireless communication system
US patent US10849139B2, 2020.

Najla, M., Mach, P. and Becvar, Z.
Deep Learning for Selection between RF and VLC Bands in Device-to-Device Communication
IEEE Wireless Communications Letters, volume 9, no. 10, 2020.

Calvanese Strinati, E., Barbarossa , S., Choi, T., Pietrabissa, A., Giuseppi, A., De Santis, E. and , et al.
6G in the Sky: On-Demand Intelligence at the Edge of 3D Networks
ETRI Journal, volume 42, no. 5, 2020.

Plachy, J. and Becvar, Z.
Energy Efficient Positioning of Flying Base Stations via Coulomb's law
IEEE Global Communications Conference (IEEE Globecom 2020) workshop on Space-Ground Integrated Networks, 2020.

Kekrt, D. and Becvar, Z.
Low-Complexity Iterative Soft-output Demodulation for Hierarchical Quadrature Amplitude Modulation
IEEE Global Communications Conference (IEEE Globecom 2020), 2020.

Mach, P., Becvar, Z. and Najla, M.
Joint Association, Transmission Power Allocation and Positioning of Flying Base Stations Considering Limited Backhaul
IEEE Vehicular Technology Conference (IEEE VTC-Fall 2020), 2020.

Nikooroo, M. and Becvar, Z.
Optimization of Transmission Power for NOMA in Networks with Flying Base Stations
IEEE Vehicular Technology Conference (IEEE VTC-Fall 2020), 2020.

Becvar, Z. and Mach, P.
Methods and devices for resource scheduling in wireless communication systems
US patent US10798722B2, 2020.

Becvar, Z., Cheng, R.G., Charvat, M. and Mach, P.
Mobility Management for D2D Communication Combining Radio Frequency and Visible Light Communications Bands
Wireless Networks, volume 26, 2020.

Najla, M., Becvar, Z., Mach, P. and Gesbert, D.
Integrating UAVs as Transparent Relays into Mobile Networks: A Deep Learning Approach
IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (IEEE PIMRC 2020), 2020.

Najla, M., Becvar, Z. and Mach, P.
Sequential Bargaining Game for Reuse of Radio Resources in D2D Communication in Dedicated Modes
IEEE Vehicular Technology Conference (IEEE VTC-Spring 2020), 2020.

Hossain, M.S. and Becvar, Z.
Flexible Soft Frequency Reuse for Interference Management in the Networks with Flying Base Stations
IEEE Vehicular Technology Conference (IEEE VTC-Spring 2020), 2020.

Becvar, Z., Mach, P., Høgdal, M. and Avramova, A.P.
Hierarchical resource scheduling method of wireless communication system
US patent US10624105B2, 2020.

Becvar, Z., Mach, P. and Nikooroo, M.
Reducing Energy Consumed by Repositioning of Flying Base Stations Serving Mobile Users
IEEE Wireless Communications and Networking Conference (IEEE WCNC 2020), 2020.

Nikooroo, M. and Becvar, Z.
Optimizing Transmission and Propulsion Powers for Flying Base Stations
IEEE Wireless Communications and Networking Conference (IEEE WCNC 2020), 2020.

2019

Najla, M., Gesbert, D., Becvar, Z. and Mach, P.
Machine Learning for Power Control in D2D Communication based on Cellular Channel Gains
IEEE Global Communications Conference (IEEE Globecom 2019) workshop on Machine Learning for Wireless Communications, 2019.

Mach, P., Becvar, Z. and Spyropoulos, T.
Incentive Mechanism and Relay Selection for D2D Relaying in Cellular Networks
IEEE Global Communications Conference (IEEE Globecom 2019), 2019.

Nikooroo, M. and Becvar, Z.
Joint Positioning of UAV and Power Control for Flying Base Stations in Mobile Networks
IEEE International Conference on Wireless and Mobile Computing, Networking and Communications (IEEE WiMOB 2019), 2019.

Plachy, J., Becvar, Z., Zafaruddin, S.M. and Leshem, A.
Nash Bargaining Solution for Cooperative Relaying Exploiting Energy Consumption
IEEE International Workshop on Signal Processing Advances in Wireless Communications (IEEE SPAWC 2019), 2019.

Cheng, R.G., Becvar, Z., Huang, Y.S.,, Bianchi, G. and Harwahyu, R.
Two-Phase Random Access Procedure for LTE-A Networks
IEEE Transactions on Wireless Communications, volume 18, no. 4, 2019.

Mach, P., Becvar, Z. and Najla, M.
Resource Allocation for D2D Communication with Multiple D2D Pairs Reusing Multiple Channels
IEEE Wireless Communications Letters, volume 8, no. 4, 2019.

Becvar, Z., Mach, P., Plachy, J. and de Tuleda, M.F.P.
Positioning of Flying Base Stations to Optimize Throughput and Energy Consumption of Mobile Devices
IEEE Vehicular Technology Conference (IEEE VTC-Spring 2019), 2019.

Plachy, J., Becvar, Z., Mach, P., Marik, R. and Vondra, M.
Joint Positioning of Flying Base Stations and Association of Users: Evolutionary-Based Approach
IEEE Access, volume 7, 2019.

Najla, M., Mach, P., Becvar, Z., Chvojka, P. and Zvanovec, S.
Efficient Exploitation of Radio Frequency and Visible Light Communication Bands for D2D in Mobile Networks
IEEE Access, volume 7, 2019.

2018

Vondra, M., Becvar, Z. and Mach, P.
Vehicular network-aware route selection considering communication requirements of users for ITS
IEEE Systems Journal, volume 12, no. 2, 2018.

Becvar, Z., Najla, M. and Mach, P.
Selection between Radio Frequency and Visible Light Communication Bands for D2D
IEEE Vehicular Technology Conference (IEEE VTC-Spring 2018) recent results, 2018.

Mach, P., Becvar, Z. and Najla, M.
Combined shared and dedicated resource allocation for Device-to-Device Communication
IEEE Vehicular Technology Conference (IEEE VTC-Spring 2018), 2018.

Silva, K. da Costa, Becvar, Z., Cardoso, E. and Francês, C. R.
Self-tuning Handover Algorithm Based on Fuzzy Logic in Mobile Networks with Dense Small Cells
IEEE Wireless Communications and Networking Conference (IEEE WCNC 2018), 2018.

Mach, P., Becvar, Z. and Leshem, A.
Hybrid Spectrum Sharing for Cognitive Small Cells
IEEE Wireless Communications and Networking Conference (IEEE WCNC 2018), 2018.

Silva, K. da Costa, Becvar, Z. and Francês, C. R.
Adaptive Hysteresis Margin Based on Fuzzy Logic for Handover in Mobile Networks with Dense Small Cells
IEEE Access, volume 6, 2018.

Cheng, R.G., Becvar, Z. and Yang, P.H.
Modeling of Distributed Queueing-based Random Access for Machine Type Communications in Mobile Networks
IEEE Communications Letters, volume 22, no. 1, 2018.

2017

Mach, P., Becvar, Z., Najla, M. and Zvanovec, S.
Combination of Visible Light and Radio Frequency Bands for Device-to-Device Communication
IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (IEEE PIMRC 2017), workshop on Coexisting Radio and Optical Wireless Deployments, 2017.

Mach, P. and Becvar, Z.
Energy-aware Dynamic Selection of Overlay and Underlay Spectrum Sharing for Cognitive Small cells
IEEE Transactions on Vehicular Technology, volume 66, no. 5, 2017.

Becvar, Z., Vondra, M., Mach, P., Plachy, J. and Gesbert, D.
Performance of Mobile Networks with UAVs: Can Flying Base Stations Substitute Ultra-Dense Small Cells?
European Wireless (EW 2017), 2017, BEST PAPER AWARD.

Becvar, Z., Rohlik, M., Mach, P., Vondra, M., Vanek, T., Puente, M.A. and , et al.
Distributed Architecture of 5G Mobile Networks for Efficient Computation Management in Mobile Edge Computing
5G Radio Access Network (RAN) - Centralized RAN, Cloud-RAN and Virtualization of Small Cells (H. Venkataraman, R. Trestian, eds.), CRC Press, Taylor and Francis Group, USA, 2017.

Mach, P. and Becvar, Z.
Mobile Edge Computing: A Survey on Architecture and Computation Offloading
IEEE Communications Surveys & Tutorials, volume 19, no. 3, 2017.

2016

Dolezal, J., Becvar, Z. and Zeman, T.
Performance Evaluation of Computation Offloading from Mobile Device to the Edge of Mobile Network
IEEE Conference on Standards for Communications & Networking (IEEE CSCN 2016), 2016.

Plachy, J. and Becvar, Z.
Path Selection Enabling User Mobility and Efficient Distribution of Data for Computation at the Edge of Mobile Network
Computer Networks, volume 108, 2016.

Mach, P. and Becvar, Z.
Cloud-aware Power Control for Real-time Application Offloading in Mobile Edge Computing
Transactions on Emerging Telecommunications Technologies, volume 27, no. 5, 2016.

Vondra, M. and Becvar, Z.
Distance-based Neighborhood Scanning for Handover Purposes in Network with Small Cells
IEEE Transactions on Vehicular Technology, volume 65, no. 2, 2016.

Plachy, J., Becvar, Z. and Calvanese Strinati, E.
Dynamic Resource Allocation Exploiting Mobility Prediction in Mobile Edge Computing
IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (IEEE PIMRC 2016), 2016.

2015

Mach, P., Becvar, Z. and Vanek, T.
In-Band Device-to-Device Communication in OFDMA Cellular Networks: A Survey and Challenges
IEEE Communications Surveys & Tutorials, volume 17, no. 4, 2015.

Cheng, R.G., Chen, N.S., Chou, Y.F. and Becvar, Z.
Offloading Multiple Mobile Data Contents through Opportunistic Device-to-device Communications
Wireless Personal Communications, volume 84, no. 3, 2015.

Plachy, J., Becvar, Z. and Calvanese Strinati, E.
Cross-layer approach enabling communication of high number of devices in 5G mobile networks
IEEE International Conference on Wireless and Mobile Computing, Networking and Communications (IEEE WiMOB 2015), 2015.

Becvar, Z., Mach, P. and Vondra, M.
Self-optimizing neighbor cell list with dynamic threshold for handover purposes in networks with small cells
Wireless Communications and Mobile Computing, volume 15, no. 13, 2015.

Mach, P. and Becvar, Z.
Enhancement of Hybrid Cognitive Approach for Femtocells
IEEE Vehicular Technology Conference (IEEE VTC-Spring 2015), 2015.

Puente, M.A., Becvar, Z., Rohlik, M., Lobillo, F. and Calvanese-Strinati, E.
A seamless integration of computationally-enhanced base stations into mobile networks towards 5G
IEEE Vehicular Technology Conference (IEEE VTC-Spring 2015) workshops, 2015.

Mach, P. and Becvar, Z.
Distributed Hybrid Spectrum Sharing for OFDMA-based Cognitive Femtocells in 5G Networks
European Wireless (EW 2015), 2015.

2014

Mach, P. and Becvar, Z.
Cloud-aware power control for cloud-enabled small cells
IEEE Global Communications Confenrece (IEEE GLOBECOM 2014) workshops, 2014.

de Mari, M., Becvar, Z., Calvanese Strinati, E. and Debbah, M.
Interference empowered 5G networks
International Conference on 5G for Ubiquitous Connectivity (5GU 2014), 2014.

Becvar, Z., Mach, P. and Calvanese Strinati, E.
Prediction of channel quality after handover for mobility management in 5G
International Conference on 5G for Ubiquitous Connectivity (5GU 2014), 2014.

Vondra, M., Djahel, S. and Murphy, J.
VANETs based Route Selection with QoS Guarantees in Smart Cities
Wireless Days (WD 2014), 2014.

Vondra, M. and Becvar, Z.
QoS-ensuring distribution of computation load among cloud-enabled small cells
IEEE International Conference on Cloud Networking (IEEE CloudNet 2014), 2014.

Becvar, Z., Mach, P. and Calvanese Strinati, E.
Q-Learning-based Prediction of Channel Quality after Handover in Mobile Networks
IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (IEEE PIMRC 2014), 2014.

Becvar, Z., Plachy, J. and Mach, P.
Path Selection Using Handover in Mobile Networks with Cloud-enabled Small Cells
IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (IEEE PIMRC 2014), 2014.

Becvar, Z. and Plachy, J.
Radio Resource Sharing Among Users in Hybrid Access Femtocells
KSII Transactions on Internet and Information Systems (TIIS), Korean Society for Internet Information, volume 8, no. 8, 2014.

Lobillo, F., Becvar, Z., Puente, M.A., Mach, P., Lo Presti, F., Gambetti, F. and , et al.
An architecture for mobile computation offloading on cloud-enabled LTE small cells
IEEE Wireless Communications and Networking Conference (IEEE WCNC 2014) workshops, 2014.

Dolezal, J. and Becvar, Z.
Methodology and tool for energy consumption modeling of mobile devices
IEEE Wireless Communications and Networking Conference (IEEE WCNC 2014) workshops, 2014.

Mach, P. and Becvar, Z.
Centralized dynamic resource allocation scheme for femtocells exploiting graph theory approach
IEEE Wireless Communications and Networking Conference (IEEE WCNC 2014), 2014.

Mach, P. and Becvar, Z.
Vertical Handover Decision in Heterogeneous Wireless Networks with Femtocells
Electronics and Electrical Engineering, Electronics and Electrical Engineering, volume 20, no. 4, 2014.

Mach, P. and Becvar, Z.
Hybrid Cognitive Approach for Femtocell Interference Mitigation
International Conference on Networks (ICN 2014), 2014.

2013

Becvar, Z. and Mach, P.
Mitigation of Redundant Handovers to Femtocells by Estimation of Throughput Gain
Mobile Information Systems, IOS Press, volume 9, no. 4, 2013.

Becvar, Z., Vondra, M. and Mach, P.
Dynamic Optimization of Neighbor Cell List for Femtocells
IEEE 77th Vehicular Technology Conference (IEEE VTC-Spring 2013), 2013.

Becvar, Z., Mach, P. and Vondra, M.
Optimization of SINR-based Neighbor Cell List for networks with small cells
IEEE 24th International Symposium on Personal Indoor and Mobile Radio Communications (IEEE PIMRC 2013), 2013.

Vondra, M. and Becvar, Z.
Self-configured Neighbor Cell List of macro cells in network with Small Cells
IEEE 24th International Symposium on Personal Indoor and Mobile Radio Communications (IEEE PIMRC 2013), 2013.

Mach, P., Bestak, R. and Becvar, Z.
Optimization of association procedure in WiMAX networks with relay stations
Telecommunication Systems, Springer US, volume 52, no. 3, 2013.

Mach, P., Becvar, Z. and Bestak, R.
Handover of relay stations for load balancing in IEEE 802.16.
Wireless Communications and Mobile Computing, volume 13, no. 2, 2013.

2012

Becvar, Z. and Mach, P.
Performance of fast cell selection in two-tier OFDMA networks with small cells
Wireless Days (WD 2012), 2012.

Vondra, M. and Becvar, Z.
Handover with consideration of connection cost in femtocell networks
Wireless Telecommunications Symposium (WTS 2012), 2012.

Vondra, M. and Becvar, Z.
Connection Cost Based Handover Decision for Offloading Macrocells by Femtocells
Wired/Wireless Internet Communication (WWIC 2012), 2012.

Becvar, Z., Mach, P. and Vondra, M.
Handover Procedure in Femtocells
Femtocell Communications and Technologies: Business Opportunities and Deployment Challenges (Saeed, R.A., ed.), Information Science Reference, 2012.

Becvar, Z., Roux, P. and Mach, P.
Fast cell selection with efficient active set management in OFDMA networks with femtocells
EURASIP Journal on Wireless Communications and Networking, Springer International Publishing AG, volume 2012, no. 1, 2012.

Becvar, Z. and Mach, P.
On Efficiency of ARQ and HARQ Entities Interaction in WiMAX Networks
Advanced Transmission Techniques in WiMAX (Hincapie, R., ed.), Information Science Reference, 2012.

2011

Mach, P. and Becvar, Z.
Efficient routing of data for femtocells
Wireless Days (WD 2011), 2011.

Becvar, Z. and Mach, P.
On enhancement of handover decision in femtocells
Wireless Days (WD 2011), 2011.

Mach, P. and Becvar, Z.
Optimization of power control algorithm for femtocells based on frame utilization
IEEE International Symposium on Personal Indoor and Mobile Radio Communications (PIMRC 2011), 2011.

Mach, P. and Becvar, Z.
QoS-Guaranteed Power Control Mechanism Based on the Frame Utilization for Femtocells
EURASIP Journal on Wireless Communications and Networking, Hindawi Publishing Corporation, volume 2011, no. 2011, 2011.

Becvar, Z., Novak, L. and Vondra, M.
Assessment of Speech Quality in VoIP
VoIP Technologies (Shigeru Kashihara, ed.), INTECH Open Access Publisher, 2011.

Mach, P. and Bestak, R.
Radio resources allocation for decentrally controlled relay stations
Wireless Networks, Springer US, volume 17, no. 1, 2011.

Becvar, Z. and Bestak, R.
Overhead of ARQ mechanism in IEEE 802.16 networks
Telecommunication Systems, Springer US, volume 46, no. 4, 2011.

Mach, P. and Becvar, Z.
Path Selection in WiMAX Networks with Mobile Relay Stations
International Conference on Networks (ICN 2011), 2011.

Vivier, G, Kamoun, M, Becvar, Z., de Marinis, E and Widiwan, A
Femtocelulas
Redes, Telecom e Intalaoes, volume 12, no. 130, 2011.

Becvar, Z. and Mach, P.
Fast predicted handover in IEEE 802.16 networks
European Transactions on Telecommunications, John Wiley & Sons, Ltd., volume 22, no. 2, 2011.

Becvar, Z., Mach, P. and Simak, B.
Improvement of handover prediction in mobile WiMAX by using two thresholds
Computer Networks, volume 55, no. 16, 2011.

2010

Vivier, G., Kamoun, M., Becvar, Z., de Marinis, E., Lostanlen, Y. and Widiawan, A.
Femtocells for next-G wireless systems: The FREEDOM approach
Future Network and Mobile Summit (FuNeMS 2010), 2010.

Becvar, Z. and Mach, P.
Reduction of Scanning Reporting Overhead in IEEE 802.16 Networks with Relays
International Conference on Networks (ICN 2010), 2010.

Mach, P. and Becvar, Z.
Dynamic Power Control Mechanism for Femtocells Based on the Frame Utilization
International Conference on Wireless and Mobile Communications (ICWMC 2010), 2010.

Becvar, Z. and Mach, P.
Adaptive Hysteresis Margin for Handover in Femtocell Networks
International Conference on Wireless and Mobile Communications (ICWMC 2010), 2010.

2009

Becvar, Z., Mach, P. and Bestak, R.
Impact of Handover on VoIP Speech Quality in WiMAX Networks
International Conference on Networks (ICN 2009), 2009.

Mach, P., Becvar, Z. and Bestak, R.
Acquisition of Channel State Information for Routing Purposes in Relay-Based WiMAX Networks
International Conference on Networks (ICN 2009), 2009.

Becvar, Z., Mach, P. and Bestak, R.
Initialization of handover procedure in WiMAX networks
ICT-MobileSummit 2009, 2009.

Becvar, Z.
Efficiency of Handover Prediction Based on Handover History
Journal of Convergence Information Technology (JCIT), no. 4, 2009.

2008

Mach, P., Bestak, R. and Becvar, Z.
Optimization of network entry procedure in relay based WiMAX networks
International Conference on Systems, Signals and Image Processing (IWSSIP 2008), 2008.

Simoens, S., Labbe, P., Vidal, J., Hoshyar, R., Augustin A. and others
The FP7 ROCKET Project: Wireless Access Technology for Homogeneous High Rate Coverage
Proceedings of 17th ICT Mobile Summit 2008 (Simoens, S., others, eds.), 2008.

Becvar, Z., Mach, P. and Bestak, R.
Optimization of handover scanning procedure in WiMAX networks with relay stations
International Symposium on Wireless Pervasive Computing (IEEE ISWPC 2008), 2008.

Mach, P. and Bestak, R.
WiMAX throughput evaluation of conventional relaying
Telecommunication Systems, Springer US, volume 38, no. 1-2, 2008.

2007

Becvar, Z. and Zelenka, J.
Implementation of handover delay timer into WiMAX
Conference on Telecommunication (ConfTele 2007), 2007.

Becvar, Z.
Impact of relay stations implementation on the handover in WiMAX
Personal Wireless Communications (PWC 2007), Springer US, 2007.