A Vertical Handover Decision Algorithm Based on Fuzzy Control Theory

Liao, Hai‐Bing; Tie, Ling; Du, Zhao

doi:10.1109/imsccs.2006.173

Cited by 63 publications

(32 citation statements)

References 5 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…They gave an overview of reducing the processing delay in handover mechanism. Other works summarize the improvement of handover decision making in heterogeneous system [9][10][11][12][13].…”

Section: Related Workmentioning

confidence: 99%

Handover Decision in Heterogeneous Networks

Maaloul

Afif

Tabbane

2016

2016 IEEE 30th International Conference on Advanced Information Networking and Applications (AINA)

View full text Add to dashboard Cite

The integration of heterogeneous wireless networks allows the mobile users to benefit simultaneously from the radio coverage of different access technologies (RAT: Radio Access Technology) and the diversity of applications. Nowadays, applications are becoming more and more critical in terms of Quality of Service (QoS) and dynamicity. Handover mechanism is responsible of guaranteeing the required quality of service in ubiquitous environment when mobile users roam across different RATs. The diversification of context metrics offered by these different networks has a direct impact on the user perceived quality of service especially during the network selection process. The present work addresses the network selection process, which is the most important stage of the vertical handover decision mechanism. Our proposed algorithm for Vertical Handover decision making is based on the context awareness and the quality of experience (QoE). It integrates the threshold values of sensitive criteria, which are considered as the required metrics in the making decision process used to select the optimal target network. However, we define a decision function that checks the performance of the given networks and identifies the best solution. Performance offered by the chosen network has to be reviewed since the handover is launched to control the quality of service perceived by the end user. Simulation results improve the perceived network performance by avoiding unnecessary handover. In Ubiquitous environment, most Handover decision mechanisms generate a ping pong effect caused by the inefficiency of the network handover metrics which do not consider the required end user performance. As compared to several existing algorithms, our algorithm fits the expected changes in the network performance and the users preferences without wastage of network resources. It reduces the processing delay and the complexity level caused by unnecessary computation over available radio access technologies which do not ensure required connection performance.

show abstract

Section: Related Workmentioning

confidence: 99%

Handover Decision in Heterogeneous Networks

Maaloul

Afif

Tabbane

2016

2016 IEEE 30th International Conference on Advanced Information Networking and Applications (AINA)

View full text Add to dashboard Cite

show abstract

“…There are other works summary to improve handover decision making in heterogeneous system [10,22,9,30,6,29]. The proposed solutions for vertical handover decisions given in the previously indicated works, don't consider the interaction between a required context and a given class of service due to the dynamically change of application requirements in pervasive environment not forgotten the high level of complexity occupied by these proposed approaches.…”

Section: Related Workmentioning

confidence: 99%

Context Awareness and Class of Service Satisfaction for Modeling Handover Decision-Making

Maaloul¹,

Afif²,

Tabbane³

2012

IJCA

View full text Add to dashboard Cite

The next generation mobile system is expected to support the continuous increase of users requirements. Through the high flow rates of these networks, new applications constraints are more complex and may be change dynamically and rapidly for wireless systems. The service heterogeneity provided by these applications has a great influence on system performance in terms of ability, availability and the context aware provided to make handover decision. To facilitate the negotiation process between the user and the network, we define some class of service that guarantees QoS for interworking between 3GPP and non-3GPP networks and the critical context criteria which influence the handover decision. In this context, our proposed approach supports the interaction between context-aware and class of service considering the use of the particular features of each class of service to make handover decision and providing the application required QoS. In this paper we conceive a new approach, called Enhance Simple Additive Weighting, for network selection that reduces computational complexity, the handover latency and eliminates networks which do not satisfy a minimum requirement compared to other existing approaches based on AHP strategy.

show abstract

“…Volume Similarly normalization function of user preference is defined by equation (6). (6) Where is the preference selected by the user and is the maximum preference that can be given to a base station.The normalization function of User Preference is plotted in Figure 5.…”

Section: International Journal Of Computer Applications (0975 -8887)mentioning

confidence: 99%

Network selection in heterogeneous wireless networks based on Fuzzy Multiple criteria Decision Making

Radhika

Reddy

2011

2011 3rd International Conference on Electronics Computer Technology

View full text Add to dashboard Cite

Next generation wireless networks are expected to exhibit heterogeneity in terms of wireless access technologies, services and application requirements. These heterogeneous wireless access networks consist of the integration of various wireless networks especially Wi-Fi (WLAN), Wi-Max and 3G/B3G cellular networks. One of the challenging problems is to choose the optimal network depending upon the type of the demanding application. Vertical handoff occurs when a mobile terminal decides to switch to the selected network from the current network. This paper mainly deals with a network selection algorithm based on Fuzzy Multiple Attribute Decision Making. The algorithm considers the factors of Received Signal Strength(RSS), Monetary cost(C), Band Width (BW), Velocity (V) and user preference (P). It finds the Network selection function (NSF) that measures the efficiency in utilizing radio resources by handing off to a particular network. The network that provides highest NSF is selected as the best network to hand off from the current access network.

show abstract

A Vertical Handover Decision Algorithm Based on Fuzzy Control Theory

Cited by 63 publications

References 5 publications

Handover Decision in Heterogeneous Networks

Handover Decision in Heterogeneous Networks

Context Awareness and Class of Service Satisfaction for Modeling Handover Decision-Making

Network selection in heterogeneous wireless networks based on Fuzzy Multiple criteria Decision Making

Contact Info

Product

Resources

About