Relevant bibliographies by topics / Vertical handoffs

Academic literature on the topic 'Vertical handoffs'

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Published: 10 December 2022
Last updated: 29 January 2023

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Journal articles on the topic "Vertical handoffs"

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Mahardhika, Gita, Mahamod Ismail, and Rosdiadee Nordin. "Vertical Handover Decision Algorithm Using Multicriteria Metrics in Heterogeneous Wireless Network." Journal of Computer Networks and Communications 2015 (2015): 1–8. http://dx.doi.org/10.1155/2015/539750.

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Heterogeneous network concept was introduced to satisfy the demands of network’s traffic capacity and data rate. It consists of multiplatform networks with various radio access technologies. Conventionally, a mobile user may roam and accomplish the vertical handover using single criteria, such as received signal strength (RSS). Single criteria vertical handover decision, however, may cause inefficient handoff, unbalanced network load, and service interruption. This paper proposed an improved vertical handover decision using multicriteria metrics in the environment of heterogeneous network consisting of three network interfaces: (i) wireless local area network (WLAN), (ii) wideband code division multiple access (WCDMA), and (iii) worldwide interoperability for microwave access (WiMAX). In the vertical handover decision, four metrics are considered: (i) RSS, (ii) mobile speed, (iii) traffic class, and (iv) network occupancy. There are three types of the vertical handover decision algorithm: (i) equal priority, (ii) mobile priority, and (iii) network priority. Equal priority multicriteria handover algorithm improved the number of handoffs by 46.60 while mobile priority multicriteria algorithm improved the number of handoffs by 90.41% and improved the balance index by 0.09%. Network priority multicriteria method improved the number of handoffs by 84.60%, balance index by 18.03%, and average blocking probability by 20.23%.
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Widjaja, Damar, and Peerapong Uthansakul. "Optimum Threshold for Velocity Considered-SINR Based Vertical Handoff Decision in HetNet." ECTI Transactions on Electrical Engineering, Electronics, and Communications 14, no. 2 (July 5, 2016): 65–72. http://dx.doi.org/10.37936/ecti-eec.2016142.171138.

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A heterogeneous network (HetNet) that consists of various wireless networks is being massively studied. Integration of the networks should be error free to achieve seamless communication. The seamless vertical handoff (VHO) remains a challenging problem in HetNet studies. Several criteria for VHO decision have been studied in the literature, such as Received Signal Strength (RSS) and Signal to Interference plus Noise Ratio (SINR). It has been shown that SINR based VHO has superior performance compare to RSS based VHO. However, there are some limitations in SINR based VHO scheme. This study aims to overcome those limitations by considering user velocity as an additional criterion for SINR based VHO decision. User velocity is represented in the value of additional SINR threshold. The basic principle of the proposed algorithm is that slow speed user should stay longer in WLAN cells and high speed user should stay longer in WCDMA cells. Simulation results show that there is a trade-off between average throughput and the number of unnecessary handoffs per call. In this study, optimum threshold is obtained when the high percentage of unnecessary handoffs reduction is reached with an acceptable value of average throughput for multimedia data transfer.
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Jha, Keshav, Akhil Gupta, Abdulatif Alabdulatif, Sudeep Tanwar, Calin Ovidiu Safirescu, and Traian Candin Mihaltan. "CSVAG: Optimizing Vertical Handoff Using Hybrid Cuckoo Search and Genetic Algorithm-Based Approaches." Sustainability 14, no. 14 (July 13, 2022): 8547. http://dx.doi.org/10.3390/su14148547.

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One of the primary challenges that wireless technology in the present generation is facing is always best connected (ABC) service. This is possible only when the wireless overlay networks follow a cooperative and coordinated process. Vertical handoff is one such process. Concerning this process, the main challenge is to develop algorithms that take care of optimal connection management with proper resource utilization for uninterrupted mobility. In this paper, we develop a new hybrid cuckoo search (CS) and genetic algorithm (GA) that maximizes the performance of heterogeneous wireless systems in terms of minimizing latency, handover failure probability, and enhancing the throughput. We focus on an optimized simulation framework to demonstrate the advantage of our hybrid model. It can be discerned from the simulation analysis that the proposed hybrid technique increases throughput by 17% and 8% compared to the cuckoo search and genetic algorithms applied individually. The performance of the proposed scheme is promising for applications wherein the handoff mechanisms have to be optimized to control frequent handoffs to further reduce the power consumption of user equipment.
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Khurana, Preeti, Keshav Jha, and Akhil Gupta. "Bandwidth Optimization for Vertical Handoff using Hybrid Cuckoo Search and Genetic Algorithm Scheme." Journal of Physics: Conference Series 2327, no. 1 (August 1, 2022): 012055. http://dx.doi.org/10.1088/1742-6596/2327/1/012055.

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Abstract Future remote systems should have the option to handle the gain in a different system state. One of the most of the time tried issues for coordination is the vertical handoff, which is an option to handoff portable hubs between different systems. While customary handoff codes are based on quality checks, vertical handoffs must assess additional factors, for example, funding costs, proposed governance, systematic location, and customer learning. In this paper, some improvements are proposed for the implementation of vertical handoff option calculations aimed at increasing the nature of the administration experienced by each customer. Firstly, talk about the idea of alignment-based handoff is done. At that point, cost efficiency can be achieved by sending decisions on the target systems depending on the classification of the customer and the measurements provided by the system. Finally, a demonstration investigation suggests that the proposed reforms can achieve significant gains like governance and the productive use of assets. In the present work, two other half-schemes are proposed using the cuckoo search calculation and the genealogical calculation. In the two mixing plots, the calculation consists of two steps: the primary stage, which examines the location of the cuckoo search (CS), or the genetic algorithm (GA). In the subsequent stage, to improve worldwide pursuit and dispose of catching into a few neighbourhood optima is done. Reproducibility results and testing with old-time CS and GA calculations confirm the feasibility of the proposed computation in designing various benchmark correction capabilities.
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Taha, Abd-Elhamid M., Hossam S. Hassanein, and Hussein T. Mouftah. "Vertical handoffs as a radio resource management tool." Computer Communications 31, no. 5 (March 2008): 950–61. http://dx.doi.org/10.1016/j.comcom.2007.12.027.

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Kaleem, Faisal, Abolfazl Mehbodniya, Kang K. Yen, and Fumiyuki Adachi. "A Fuzzy Preprocessing Module for Optimizing the Access Network Selection in Wireless Networks." Advances in Fuzzy Systems 2013 (2013): 1–9. http://dx.doi.org/10.1155/2013/232198.

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A heterogeneous wireless network is characterized by the presence of different wireless access technologies that coexist in an overlay fashion. These wireless access technologies usually differ in terms of their operating parameters. On the other hand, Mobile Stations (MSs) in a heterogeneous wireless network are equipped with multiple interfaces to access different types of services from these wireless access technologies. The ultimate goal of these heterogeneous wireless networks is to provide global connectivity with efficient ubiquitous computing to these MSs based on the Always Best Connected (ABC) principle. This is where the need for intelligent and efficient Vertical Handoffs (VHOs) between wireless technologies in a heterogeneous environment becomes apparent. This paper presents the design and implementation of a fuzzy multicriteria based Vertical Handoff Necessity Estimation (VHONE) scheme that determines the proper time for VHO, while considering the continuity and quality of the currently utilized service, and the end-users' satisfaction.
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Petander, Henrik, Eranga Perera, and Aruna Seneviratne. "Multicasting with selective delivery: a SafetyNet for vertical handoffs." Wireless Personal Communications 43, no. 3 (April 12, 2007): 945–58. http://dx.doi.org/10.1007/s11277-007-9258-3.

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Chang, Hsung-Pin, Yu-Chieh Lin, and Shiu-Hau Chen. "System supports for protocol and application adaptation in vertical handoffs." Software: Practice and Experience 39, no. 8 (June 10, 2009): 739–71. http://dx.doi.org/10.1002/spe.910.

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Bellavista, Paolo, Antonio Corradi, and Luca Foschini. "IMS-Compliant management of vertical handoffs for mobile multimedia session continuity." IEEE Communications Magazine 48, no. 4 (April 2010): 114–21. http://dx.doi.org/10.1109/mcom.2010.5439084.

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McNair, J., and Fang Zhu. "Migration toward 4G wireless communications - Vertical handoffs in fourth-generation multinetwork environments." IEEE Wireless Communications 11, no. 3 (June 2004): 8–15. http://dx.doi.org/10.1109/mwc.2004.1308935.

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Dissertations / Theses on the topic "Vertical handoffs"

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Mola, Guilo. "Interactions of Vertical Handoffs with 802.11b wireless LANs : Handoff Policy." Thesis, KTH, Mikroelektronik och Informationsteknik, IMIT, 2004. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-93067.

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Nomadic computing aims to be a leading short term revolution in the Internet, however to succeed in this the infrastructure, the protocols, the handoff mechanisms have to be designed and implemented to provide mobile computing with both reliability and transparency. A good deal of the work is addressed by mobile IP itself, but addressing wireless diversity is perhaps the most important next step. Many different wireless technologies are available; while one technology might provide wide coverage, another provides higher bandwidth, but can only be deployed locally, even uni-directional ad-hoc links can be used to carry IP traffic. To take full advantage of the potential infrastructure, a mobile device, with multiple network interfaces, should be able to dynamically switch from one link technology to another; hopefully totally transparently to the user. Moreover, having multiple interfaces allows the device to choose, each time a new connection is established, which interface to select to route the datagrams through, based on the type of service desired. In this thesis a possible solution is presented, involving both vertical handoff optimization and policy management. Our testing device is the the SmartBadge v4, provided with a GPRS link and a 802.11b WLAN interface.
Nomadic Computing har för avsikt att revolutionera dagens Internet tillämpningar. För att lyckas måste dock infrastrukturen, IT protokollen och handoff procedurer utformas och implementeras med intentionen att förse mobilt dataöverföring med både driftsäkerhet och autonoma processer. En stor del av de nödvändiga förutsättningarna är tillgängliga tack vare Mobile IP, men mångfalden inom de befintliga Wireless teknologierna utgör fortfarande ett problem. Det stora antalet disponibla Wireless tekniker varierar från teknologierer som förser användaren med en stor täckningsgrad, till sådana som förser användaren med högre bandbredd, begränsad till lokala anv ändningområden. Även Uni-directional ad-hoc links kan läggas i denna lista av mångfald. För att förverkliga fördelarna med den tänkta infrastrukturen fullt ut måste den mobila enheten kunna utföra omkopplingar från den ena wireless teknologin till den andra, med syftet att vara osynlig för användaren. Utöver detta är det meningen att en apparat med många anslutningar ska kunna välja den anslutning som passar bäst, var gång en ny koppling ska göras, beroende på den tjänst som efterfrågas. Det här examensarbetet presenterar en möjlig lösning, som utnyttjar både Vertical Handoff optimering och Policy Management. Prototyp-enheten vi anv änder oss av för att genomföra undersökningen är Smart Badge v4, utrustad med GPRS och 802.11b Wireless LAN anslutningar.
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Sur, Abhijit Nettleton Ray W. "Technical and business aspects of vertical handoffs." Diss., Access abstract online. Then to access FREE full-text, click on "Order a copy.", 2004. http://proquest.umi.com/pqdweb?did=885648771&sid=1&Fmt=2&clientId=56281&RQT=309&VName=PQD.

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Benmimoune, Abderrahmane. "Handoff vertical entre réseau UMTS et WLAN." Mémoire, École de technologie supérieure, 2010. http://espace.etsmtl.ca/627/1/BENMIMOUNE_Abderrahmane.pdf.

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Un des principaux défis majeurs des prochaines générations des systèmes de communication sans fil serait d'utiliser les ressources limitées des réseaux de communications d'une manière efficace à l'effet d'obtenir une qualité et une capacité qui soient suffisantes pour faire face à des demandes sans cesse croissante de services. En effet, les besoins en bande passante des utilisateurs ont augmenté en raison des résultats satisfaisants relevés des différentes applications telles que la vidéo et la navigation sur Internet. Ceci a permit à plusieurs technologies de voir le jour et qui ne cessent de s'améliorer afin de répondre aux besoins des utilisateurs. C'est notamment le cas des réseaux hétérogènes qui servent à interconnecter les réseaux WIFI, GSM/UMTS et Satellitaires. Ce progrès va permettre de répondre à la demande des utilisateurs en leurs offrants une très grande mobilité dans le monde et une connexion n'importe où et n'importe quand. L'objectif de ce présent mémoire de maîtrise est d'étudier la problématique de gestion de mobilité entre les deux réseaux et de combiner ces techniques afin d'exploiter au mieux les avantages inhérents à ces deux réseaux : cellulaire (UMTS) et local sans fil (WLAN) et de pouvoir intégrer ces deux technologies de telle sorte que le changement de technologie soit transparent. Dans le cadre de la première partie de ce mémoire, nous avons traité particulièrement les aspects de gestion de mobilité. Les deux différentes architectures d'interconnexion au contexte des réseaux hétérogènes UMTS/WLAN sont relatées ainsi que différents algorithme sont également mis en évidence principalement l'algorithme RSS, SNR et SINR La plupart des contributions faites dans ce contexte prennent en considération juste la maximisation du débit à travers les deux réseaux. Par contre la minimisation de nombre de handoff durant un appel ou transfert de données joue un rôle très prépondérant, afin d'éviter tout handoff inutile et d'éliminer par voie de conséquence l'effet ping-pong qui dégrade la qualité de service. C'est pourquoi, dans la seconde partie de notre mémoire, nous avons proposé une nouvelle stratégie intégrant pour la réalisation d'un handoff vertical des utilisateurs mobiles entre les deux réseaux tout en minimisant le nombre de handoff la probabilité de perdre des paquets et d'atteindre un débit plus élevé avec meilleur prix conespondant. Dans ce cadre nous avons présenté et nous avons testé plusieurs algorithmes de handoff et nous avons comparé ces algorithmes avec notre solution proposée. Tous les algoritlmies entrepris ont été validés et évalués par des simulations.
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Tsang, Cheuk-kan Ken, and 曾卓勤. "Vertical handoff in heterogeneous wireless networks with mSCTP." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2008. http://hub.hku.hk/bib/B40687636.

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Tsang, Cheuk-kan Ken. "Vertical handoff in heterogeneous wireless networks with mSCTP." Click to view the E-thesis via HKUTO, 2008. http://sunzi.lib.hku.hk/hkuto/record/B40687636.

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Sun, Chi. "A constrained MDP-based vertical handoff decision algorithm for wireless networks." Thesis, University of British Columbia, 2008. http://hdl.handle.net/2429/1243.

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The 4th generation wireless communication systems aim to provide users with the convenience of seamless roaming among heterogeneous wireless access networks. To achieve this goal, the support of vertical handoff is important in mobility management. This thesis focuses on the vertical handoff decision algorithm, which determines the criteria under which vertical handoff should be performed. The problem is formulated as a constrained Markov decision process. The objective is to maximize the expected total reward of a connection subject to the expected total access cost constraint. In our model, a benefit function is used to assess the quality of the connection, and a penalty function is used to model the signaling incurred and call dropping. The user's velocity and location information are also considered when making the handoff decisions. The policy iteration and Q-learning algorithms are employed to determine the optimal policy. Structural results on the optimal vertical handoff policy are derived by using the concept of supermodularity. We show that the optimal policy is a threshold policy in bandwidth, delay, and velocity. Numerical results show that our proposed vertical handoff decision algorithm outperforms other decision schemes in a wide range of conditions such as variations on connection duration, user's velocity, user's budget, traffic type, signaling cost, and monetary access cost.
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Ylianttila, M. (Mika). "Vertical handoff and mobility — system architecture and transition analysis." Doctoral thesis, University of Oulu, 2005. http://urn.fi/urn:isbn:9514276922.

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Abstract The contemporary information age is equipped with rich and affordable telecommunication services. In the future, people have even more flexibility when true wireless Internet and real-time multimedia are provided seamlessly over heterogeneous wireless networks. Optimally combining the capacity and services of the current and emerging networks requires a holistic view of mobility, resource and service management. This thesis contributes to the research and development of these hybrid systems with three main contributions. Firstly, a system architecture for vertical handoff in location-aware heterogeneous wireless networks is proposed. The proposed architecture enables the mobile node to prepare for approaching vertical handoffs and wake-up a hotspot interface. The needed communication procedures are discussed, and inter-related issues of mobility and geolocation information are considered in proportion to usability, advantages and limitations. Secondly, a framework for the analysis of vertical handoff algorithm sensitivity to various mobility parameters including velocity, handoff delay and dwell time is introduced. Handoff smoothing with a dwell-timer is analyzed as one potential scheme for optimizing vertical handoff locally. It is compared to a power based algorithm to find out its sensitivity to the changes in effective data rates, velocity of the terminal and the amount of handoff delay. The analysis focuses on the transition region, having case studies on both moving-in and moving-out scenarios. An optimal value for dwell-timer is found through simulations, showing a performance gain over power based algorithm as a function of mean throughput. The analysis is extended also to a multiple network scenario. Thirdly, experimental results on the behaviour of protocols used in wireless IP networks are presented. Prototype systems demonstrate results of using Mobile IP with a fuzzy logic algorithm for vertical handoff in a heterogeneous network environment and the role of IPv6 when using a voice application in a wireless LAN environment. Latest contributions include developing plug-and-play middleware functionalities for Symbian mobile devices, extending the use of the earlier results to state-of-the-art mobile devices.
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Zhu, Fang. "Optimizations for vertical handoff in next generation wireless networks." [Gainesville, Fla.] : University of Florida, 2005. http://purl.fcla.edu/fcla/etd/UFE0012983.

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Prado, Daniel. "Algoritmos de handoff vertical para sistemas de comunicação GPRS/ Satélite." [s.n.], 2011. http://repositorio.unicamp.br/jspui/handle/REPOSIP/265118.

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Orientador: Rafael Santos Mendes
Dissertação (mestrado profissional) - Universidade Estadual de Campinas, Faculdade de Engenharia Mecânica
Made available in DSpace on 2018-08-18T03:24:20Z (GMT). No. of bitstreams: 1 Prado_Daniel_M.pdf: 1023728 bytes, checksum: 9342e53e6ff7f169478722c6bcd70fc0 (MD5) Previous issue date: 2011
Resumo: Este projeto tem por objetivo estudar um problema de projeto para realizar o handoff vertical entre canais de comunicação GPRS e Satélite em um cenário que otimize o tempo e o custo através de equações probabilísticas. Através de um modelo de estados que descreve as diferentes possibilidades de comunicação entre sistemas GPRS e Satélite, o objetivo é determinar os tempos dos eventos controláveis que fazem a mudança entre os estados de modo a otimizar o tempo de comunicação num cenário probabilístico de handoff vertical entre canais de comunicação. Os resultados das simulações realizadas nesta dissertação em diferentes situações de qualidade dos sinais de transmissão GPRS e Satélite, mostram que através dos algoritmos de handoff desenvolvidos, a probabilidade estacionária de permanência nos estados de transmissão é aumentada
Abstract: This project aims to study a design problem to carry-out the handoff vertical of communication between communication channels GPRS and Satellite in a scenario that optimizes time and cost by probabilistic equations. Through a state model that describes the different possibilities of communication between GPRS and satellite systems, the goal is to set the times of the controllable events that do the changes between states in order to optimize the communication time in a probabilistic scenario of handoff vertical for communication channels. The results of the simulations in this work in different situations, quality of transmission signals GPRS and Satellite, show that through the handoff algorithms developed, the stationary probability of staying in the states of transmission is increased
Mestrado
Eletrônica
Mestre em Engenharia Automobilistica
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Nkansah-Gyekye, Yaw. "An intelligent vertical handoff decision algorithm in next generation wireless networks." Thesis, University of the Western Cape, 2010. http://etd.uwc.ac.za/index.php?module=etd&action=viewtitle&id=gen8Srv25Nme4_2726_1307443785.

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The objective of the thesis research is to design such vertical handoff decision algorithms in order for mobile field workers and other mobile users equipped with contemporary multimode mobile devices to communicate seamlessly in the NGWN. In order to tackle this research objective, we used fuzzy logic and fuzzy inference systems to design a suitable handoff initiation algorithm that can handle imprecision and uncertainties in data and process multiple vertical handoff initiation parameters (criteria)
used the fuzzy multiple attributes decision making method and context awareness to design a suitable access network selection function that can handle a tradeoff among many handoff metrics including quality of service requirements (such as network conditions and system performance), mobile terminal conditions, power requirements, application types, user preferences, and a price model
used genetic algorithms and simulated annealing to optimise the access network selection function in order to dynamically select the optimal available access network for handoff
and we focused in particular on an interesting use case: vertical handoff decision between mobile WiMAX and UMTS access networks. The implementation of our handoff decision algorithm will provide a network selection mechanism to help mobile users select the best wireless access network among all available wireless access networks, that is, one that provides always best connected services to users.

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Book chapters on the topic "Vertical handoffs"

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Nkansah-Gyekye, Yaw, and Johnson I. Agbinya. "Vertical Handoffs in Fourth Generation Wireless Networks." In Advances in Broadband Communication and Networks, 277–308. New York: River Publishers, 2022. http://dx.doi.org/10.1201/9781003337089-13.

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Petander, Henrik, and Emmanuel Lochin. "Safetynet Version 2, a Packet Error Recovery Architecture for Vertical Handoffs." In Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering, 87–95. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-21444-8_9.

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Lee, Jung-Ho, Sang-Hee Lee, Ki-Nam Seo, and Jae-Sung Lim. "Fast End-to-End Mobility Support Using SIP for Vertical Handoffs in 4G Wireless Communication Networks." In Lecture Notes in Computer Science, 1390–94. Berlin, Heidelberg: Springer Berlin Heidelberg, 2004. http://dx.doi.org/10.1007/978-3-540-24693-0_124.

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Hwang, An Kyu, Jae Yong Lee, Hyun Duk Kim, Whoi Jin Jung, and Byung Chul Kim. "New TCP Congestion Control Algorithm Based on Bandwidth Measurement for Seamless Vertical Handoffs in Heterogeneous Mobile Networks." In Lecture Notes in Computer Science, 75–83. Berlin, Heidelberg: Springer Berlin Heidelberg, 2006. http://dx.doi.org/10.1007/11750390_7.

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Khan, Faraz Idris, and Eui Nam Huh. "Adaptive Vertical Handoff Management Architecture." In Computational Science – ICCS 2007, 582–85. Berlin, Heidelberg: Springer Berlin Heidelberg, 2007. http://dx.doi.org/10.1007/978-3-540-72590-9_84.

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Choi, Young-Soo, Kang-Won Lee, and You-Ze Cho. "TCP with Explicit Handoff Notification for a Seamless Vertical Handoff." In Lecture Notes in Computer Science, 831–40. Berlin, Heidelberg: Springer Berlin Heidelberg, 2008. http://dx.doi.org/10.1007/978-3-540-89524-4_82.

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Jha, Keshav, and Akhil Gupta. "A critical survey on vertical handoff algorithms." In Intelligent Circuits and Systems, 113–21. London: CRC Press, 2021. http://dx.doi.org/10.1201/9781003129103-20.

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Khan, Faraz Idris, and Eui Nam Huh. "TCP Adaptation for Vertical Handoff Using Network Monitoring." In Computational Science – ICCS 2007, 498–505. Berlin, Heidelberg: Springer Berlin Heidelberg, 2007. http://dx.doi.org/10.1007/978-3-540-72590-9_67.

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Ghosh, Shankar K., and Sasthi C. Ghosh. "A Goodness Based Vertical Handoff Algorithm for Heterogeneous Networks." In Lecture Notes in Computer Science, 254–67. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-33936-8_20.

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Seok, Woojin, Yoonjoo Kwon, Okhwan Byeon, and Sang-Ha Kim. "Performance Evaluation of TCP Variants to Downward Vertical Handoff." In Information Networking. Advances in Data Communications and Wireless Networks, 31–41. Berlin, Heidelberg: Springer Berlin Heidelberg, 2006. http://dx.doi.org/10.1007/11919568_4.

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Conference papers on the topic "Vertical handoffs"

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Daniel, Laila, and Markku Kojo. "Adapting TCP for Vertical Handoffs in Wireless Networks." In 2006 31st IEEE Conference on Local Computer Networks. IEEE, 2006. http://dx.doi.org/10.1109/lcn.2006.322084.

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Ezzouhairi, A., A. Quintero, and S. Pierre. "A fuzzy decision making strategy for vertical handoffs." In 2008 Canadian Conference on Electrical and Computer Engineering - CCECE. IEEE, 2008. http://dx.doi.org/10.1109/ccece.2008.4564602.

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Song, Qingyang, Xingwei Wang, Zhongfeng Wen, Yao Lv, and Feifei Xu. "A Dynamic Interface Activation Scheme for Vertical Handoffs." In 2008 International Conference on Networking, Architecture, and Storage (NAS). IEEE, 2008. http://dx.doi.org/10.1109/nas.2008.40.

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Solouk, Vahid, Borhanuddin M. Ali, Sabira Khatun, Daniel Wong, and M. Adzir Mahdi. "Layer-2 protocol adaptation method to improve fast handoff for mobile IPv6 vertical handoffs." In 2008 11th International Conference on Computer and Information Technology (ICCIT). IEEE, 2008. http://dx.doi.org/10.1109/iccitechn.2008.4803008.

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Joseph, Anthony, Anne Koeppel, and Robert Daley. "Airframe Structural Sizing Automation." In Vertical Flight Society 78th Annual Forum & Technology Display. The Vertical Flight Society, 2022. http://dx.doi.org/10.4050/f-0078-2022-17623.

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Determining the optimum cross section for each primary structural member of an airframe structure has always been an iterative process since changing the stiffness of one member redistributes loads. Each iteration of internal loads calculations with a global aircraft finite element model (GFEM) followed by strength and stability checks results in further cross section changes (sizings) to reduce weight or regain positive margins of safety. The handoffs between tools and the update process for the next iteration is time consuming and has many opportunities for errors. This paper will describe a tool developed at Sikorsky to automatically iterate sizings saving development time and executing more sizing iterations than historically possible which saves weight. The tool can operate on metallic and composite structures. The development time and weight savings is critical to support ever shrinking time to fielding/market for commercial and military models.
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Taha, Abd-elhamid, Hossam Hassanein, and Hussein Mouftah. "Exploiting Vertical Handoffs in Next Generation Radio Resource Management." In 2006 IEEE International Conference on Communications. IEEE, 2006. http://dx.doi.org/10.1109/icc.2006.255077.

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7

Deng, Qiang, Bo Hu, Yan Shi, and Shan-zhi Chen. "Joint Admission Control through Vertical Handoffs in Heterogeneous Wireless Networks." In 2010 6th International Conference on Wireless Communications, Networking and Mobile Computing (WiCOM). IEEE, 2010. http://dx.doi.org/10.1109/wicom.2010.5600780.

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8

Taha, A. M., H. S. Hassanein, and H. T. Mouftah. "A Multi-Class, Sub-Adaptation Module for Forced Vertical Handoffs." In 11th IEEE Symposium on Computers and Communications (ISCC'06). IEEE, 2006. http://dx.doi.org/10.1109/iscc.2006.9.

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9

Qiang, Deng, Xie Dong-liang, Hu Bo, Shi Yan, and Chen Shan-zhi. "Joint admission control through vertical handoffs in heterogeneous wireless networks." In 2010 Global Mobile Congress (GMC). IEEE, 2010. http://dx.doi.org/10.1109/gmc.2010.5634556.

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10

Daniel, Laila, and Markku Kojo. "Using cross-layer information to improve TCP performance with vertical handoffs." In 2007 Second International Conference on Access Networks & Workshops. IEEE, 2007. http://dx.doi.org/10.1109/accessnets.2007.4447135.

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