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Mobility Management for VoIP on Heterogeneous Networks: Evaluation of Adaptive Schemes

Massimo Bernaschi, Filippo Cacace, Giulio Iannello, Massimo Vellucci
2007 IEEE Transactions on Mobile Computing  
The introduction of the IP multimedia subsystem on 3G cellular networks and the integration with other widely deployed wireless networks based on the IEEE 802.11 protocol family require support for both  ...  In this paper, we propose a cross-layer mechanism that takes into account mobility at different layers of the network stack in order to yield better quality for VoIP, videoconferencing, and other real-time  ...  Luisa Santoro for having carefully read the manuscript. They are grateful to the anonymous referees for their valuable comments which greatly helped in improving the first versions of this paper.  ... 
doi:10.1109/tmc.2007.1003 fatcat:6putztjmivfqxlr2766a6xs5cq

Bandwidth Efficient Mobility Management for Heterogeneous Wireless Networks

Karl Andersson, Daniel Granlund, Muslim Elkotob, Christer Åhlund
2010 2010 7th IEEE Consumer Communications and Networking Conference  
Furthermore, it does not add any signaling overhead and outperforms existing mobility management schemes for heterogeneous environments in terms of bandwidth consumption.  ...  This paper describes and evaluates an innovative mobility management scheme in such an environment.  ...  ACKNOWLEDGMENT The work presented in this paper is based on results from the HybriNet@Skellefteå, Mobile & Open Service Access, and BasicNet projects supported by Skellefteå Kraft, EU structural funds  ... 
doi:10.1109/ccnc.2010.5421742 dblp:conf/ccnc/AnderssonGEA10 fatcat:xlooopwxwzhgbl4oalxty443ua

QoE Assessment of VoIP in Next Generation Networks [chapter]

David Rodrigues, Eduardo Cerqueira, Edmundo Monteiro
2009 Lecture Notes in Computer Science  
for quality evaluation of VoIP services.  ...  Performance evaluation was carried out based on simulation experiments to show the benefits of AdmPESQ in assessing the impact of VoIP services on the user's expectation.  ...  FP6-0384239 (Network of Excellence CONTENT).  ... 
doi:10.1007/978-3-642-04994-1_8 fatcat:6ws2kgvphrgdhczbzq65vayktm

Integrated mobility and resource management for cross-network resource sharing in heterogeneous wireless networks using traffic offload policies

Dmitry Sivchenko, Veselin Rakocevic, Joachim Habermann
2014 Wireless networks  
Integrated mobility and resource management for cross-network resource sharing in heterogeneous wireless networks using traffic offload policies. Wireless Networks, 21(3), pp. 981-999.  ...  This paper introduces a new Integrated Mobility and Resource Management (IMRM) framework for automatic execution of policies for cross-network resource sharing using traffic offload and pre-emptive resource  ...  For the successful integration of resource and mobility management in heterogeneous networks, the following information and functionality is required: (1) location of mobile nodes (MN); (2) monitoring  ... 
doi:10.1007/s11276-014-0826-7 fatcat:22rcrqgsqfhr5giaa4ynffd3ti

Mobile VoIP user experience in LTE

Karl Andersson, Seraj Al Mahmud Mostafa, Raihan Ui-Islam
2011 2011 IEEE 36th Conference on Local Computer Networks  
This paper studies user-perceived quality of service for a mobile Voice over IP (VoIP) application in LTE. Results were achieved using the OPNET Modeler simulation environment.  ...  Keywords-LTE; VoIP; User-perceived quality of service I.  ...  This paper presents a comparative study on user-perceived quality of service for Mobile VoIP applications in LTE networks.  ... 
doi:10.1109/lcn.2011.6115551 dblp:conf/lcn/AnderssonMU11 fatcat:zd5huer4u5d57osc6bx2s3f5km

Resource Allocation in a Generalized Framework for Virtualized Heterogeneous Wireless Network

Bo Fan, Hui Tian, Yuan Zhang, Xiao Yan
2016 Mobile Information Systems  
This paper proposes a generic framework for virtualizing heterogeneous wireless network with different RATs.  ...  First, to solve the network access problem, "adaptability ratio" is developed to model the fact that different RATs possess different adaptability to different services.  ...  Acknowledgments This work is supported by the National Natural Science Foundation of China (no. 61471060) and Funds for Creative Research Groups of China (no. 61421061).  ... 
doi:10.1155/2016/8570568 fatcat:5577yqup2rfd5nsztnovg2h22i

Energy efficient power management for 4G heterogeneous cellular networks

Xiang Xu, Gledi Kutrolli, Rudolf Mathar
2013 2013 IEEE 9th International Conference on Wireless and Mobile Computing, Networking and Communications (WiMob)  
In this work, an energy efficient power management scheme designed for LTE femtocells is presented.  ...  Heterogeneous network is a promising solution to improve the energy efficiency of the cellular system.  ...  One of the key technologies to reduce energy consumption is heterogeneous network, where the cell size is diversified.  ... 
doi:10.1109/wimob.2013.6673366 dblp:conf/wimob/XuKM13 fatcat:zkv6abinyfcavdepadmip74zma

Wireless and mobile networking (Foreword)

Jerzy Konorski
2010 Telecommunications Systems  
As the vision of a mobile terminal connected to multiple access networks and free to transport data over a network of choice is rapidly taking shape, handover mechanisms between heterogeneous wireless  ...  In this way the proposed scheme transforms a sensor network into a multiagent system, at the same time, for scalability reasons, dispenses with any form of network-wide cooperation e.g., mobile agent message  ...  His current work focuses on the application of game theory to medium access control and packet forwarding in wireless networks.  ... 
doi:10.1007/s11235-010-9339-6 fatcat:nr4dumdovjg27aetursmcjzeji

Buffer Management for Multimedia QoS Control over HSDPA Downlink

Suleiman Y. Yerima, Khalid Al-Begain
2007 21st International Conference on Advanced Information Networking and Applications Workshops (AINAW'07)  
Comparative simulation study with other schemes is presented, demonstrating the effectiveness of the TSP buffer management scheme for 'multimedia' service QoS control in HSDPA Node-B data buffers.  ...  In this paper, it is shown how buffer management could be incorporated into HSDPA QoS framework for 'multimedia' traffic QoS control in the MAC-hs of the Node-B.  ...  Introduction Improved support for packet-switched data in UMTS mobile networks introduced in recent 3GPP releases presents opportunities for service providers to introduce novel broadband services.  ... 
doi:10.1109/ainaw.2007.115 dblp:conf/aina/YerimaA07 fatcat:whgqliqahrdjzh3u3bs7z2m4sy

MOS-based Handover Protocol for Next Generation Wireless Networks

Sheetal Jadhav, Haibo Zhang, Zhiyi Huang
2012 2012 IEEE 26th International Conference on Advanced Information Networking and Applications  
In this paper, we propose a novel scheme compliant with the IEEE 802.21 standard for handover in an integrated scenario with UMTS and WiMAX networks.  ...  Next Generation Wireless Networks (NGWNs) are expected to provide high data rate and optimized quality of service to multimedia and real-time applications over the Internet Protocol (IP) networks.  ...  Mean Opinion Score (MOS) is one of the major metrics for evaluating the quality of a VoIP call, and will be the main metric used in our work for handover optimization.  ... 
doi:10.1109/aina.2012.105 dblp:conf/aina/JadhavZH12 fatcat:eue4gjoqmbdbjps4mqkpet5n6a

Characterizing Radio and Networking Power Consumption in LTE Networks

Álvaro M. Recio Pérez, Almudena Díaz Zayas, Pedro Merino
2016 Mobile Information Systems  
Power consumption is a key factor in how final users rate the quality of service in mobile networks; however, its characterization is a challenging issue due to the many parameters involved and the complexity  ...  of their dependencies.  ...  Acknowledgments This work has been funded by the Government of Andalusia  ... 
doi:10.1155/2016/2752961 fatcat:3xjavsmtw5acjahddca4tvvsea

Heterogeneous networks: Fair power allocation in LTE-A uplink scenarios

Reben Kurda, Anandakumar Haldorai
2021 PLoS ONE  
Effective management of radio resources and service quality assurance are two of the essential aspects to furnish high-quality service in Long Term Evolution (LTE) networks.  ...  With that being said, this article investigates the problem of interference in LTE-advanced heterogeneous networks.  ...  Therefore, in this contribution, the network-performance is evaluated to clarify the requirements for a different Power Max limit for a small cell UL direction in each of heterogeneous network cell center  ... 
doi:10.1371/journal.pone.0252421 pmid:34153057 pmcid:PMC8216560 fatcat:zc4n6bkglfaz7hcbrhsqwoqt2i

An AHP-based resource management scheme for CRRM in heterogeneous wireless networks

Choongyong Shin, Jinsung Cho, Jeong Geun Kim, Ben Lee
2012 Annales des télécommunications  
heterogeneous wireless networks.  ...  Keywords Heterogeneous network · Common radio resource management (CRRM) · Radio bandwidth model · AHP  ...  This paper proposes a resource management scheme for CRRM in heterogeneous wireless networks.  ... 
doi:10.1007/s12243-012-0288-9 fatcat:6f7unbsnabgx7bvwjzonh6pzpu

Performance modeling and evaluation of heterogeneous computer networks

Lin Guan, Xingang Wang, Irfan Awan, Waltenegus Dargie
2011 Journal of computer and system sciences (Print)  
Performance modeling and evaluation of heterogeneous computer networks There is tremendous research interest recently in the convergence of wired networks wireless, and wireless sensor access networks  ...  This special issue solicits papers on advances in the analytical and simulation based modelling and evaluation of new challenges in heterogeneous computer networks and systems.  ...  In the sixth paper, Lim et al. present an adaptive queue management scheme to maintain queuing delay in a router at a required level based on a comprehensive analytical model under aggregated Internet  ... 
doi:10.1016/j.jcss.2010.08.009 fatcat:u2ldljdwkfafxc5q3kvx6zknfu

Network Simulation and Performance Evaluation of WiMAX Extensions for Isolated Research Data Networks

Thomas Michael Bohnert, Jakub Jakubiak, Marcos Katz, Yevgeni Koucheryavy, Edmundo Monteiro, Eugen Borcoci
2008 Journal of Communications Software and Systems  
As the latter is the de-facto standard in science and as we use it for our research in the context of the WEIRD project, we evaluate the IEEE 802.16 support for NS-2.  ...  We present several general but also specific issues, which areimportant in order to carry out reliable research based on thesetools.  ...  For example, a comprehensive VoIP traffic source model together with an integrated QoS evaluation tools set based on Subjective QoS (Mean Opinion Score) [24, 25] .  ... 
doi:10.24138/jcomss.v4i1.238 fatcat:5tenzekrpfdw5nkal6jmiegcaq
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