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Academic literature on the topic 'Failed handoff'
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Journal articles on the topic "Failed handoff"
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Donnelly, Michael J., Janelle M. Clauser, and Rochelle E. Tractenberg. "A Multicenter Intervention to Improve Ambulatory Care Handoffs at the End of Residency." Journal of Graduate Medical Education 6, no. 1 (2014): 112–16. http://dx.doi.org/10.4300/jgme-d-13-00139.1.
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Abstract Background Graduating residents transition their continuity clinic patients to junior colleagues every year, creating a vulnerable transition period for about 1 million patients nationally. Objective We examined a standardized, electronic template for handing off high-risk ambulatory patients by outgoing residents from 7 residencies within a large health care system, and compared handoff quantity and provider satisfaction for handoffs with and without that template. Methods Residents graduating in 2011 from 5 internal medicine, 1 family medicine, and 1 internal medicine-pediatrics residency programs in 1 health care system were randomized to a new electronic handoff process with a standardized intervention template or a free-text handoff. Expert reviewers independently evaluated all handoff notes, and providers were surveyed after follow-up appointments regarding use, helpfulness, and overall satisfaction with the handoffs. Results Fifty-two of 79 residents (66%) participated, performing 278 handoffs. Eighty-four patients (30%, 17 of 57) failed to follow up within the study period. For patients who followed up, providers read 61% (101 of 165) of the handoffs at the time of the visit. No significant difference existed between groups in the satisfaction of the follow up provider or the quality measure of the handoffs in our process. Expert agreement on which features make the handoff “helpful” was fair (κ = 0.34). Conclusions A standardized template did not improve handoff quantity or satisfaction compared with a free-text handoff. Practical handoff programs can be instituted into diverse residencies within a short time frame, with most residents taking part in creating the handoff formats.
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Dhivya, J. Josephine, and M. Ramaswami. "Ingenious Method for Conducive Handoff Appliance in Cognitive Radio Networks." International Journal of Electrical and Computer Engineering (IJECE) 8, no. 6 (2018): 5195. http://dx.doi.org/10.11591/ijece.v8i6.pp5195-5202.
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Wireless communications deployed in the current epoch claims ceaseless connection among its users thereby leading to the investigation of Cognitive Radio Networks (CRN) which enables to make use of unallocated spectrum optimally and provides uninterrupted connection. Establishing interminable connectivity during the handoff process in spectrum mobility of CRN is a challenging task. This paper elucidates the optimization of handoff process carried out in CRN by incorporating an intelligent method. This includes fuzzy logic wherein the handoff parameters are processed thereby indicating the need of handoff. The proffered method also comprises of a part of genetic algorithm which yields fitness value for reducing the handoff occurrences and enhancing the overall performance of the system is promoted using cuckoo search which decides the mobile node from which the handoff process has to initiate based on the priority generated. This technique ensures that decision is taken ahead of link failure rather than range failure which are the key point in comparison to the existing system. Results obtained through the simulation are satisfactory in terms of delay, throughput, number of failed handoff and handoffs performed in comparison to the existing fuzzy based handoff process in CRN.
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Cesar, Hernandez, Giral Diego, and Salgado C. "Failed handoffs in collaborative Wi-Fi networks." TELKOMNIKA Telecommunication, Computing, Electronics and Control 18, no. 2 (2020): 669–75. https://doi.org/10.12928/TELKOMNIKA.v18i2. 14894.
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Cognitive radio networks enable a more efficient use of the radioelectric spectrum through dynamic access. Decentralized cognitive radio networks have gained popularity due to their advantages over centralized networks. The purpose of this article is to propose the collaboration between secondary users for cognitive Wi-Fi networks, in the form of two multi-criteria decision-making algorithms known as TOPSIS and VIKOR and assess their performance in terms of the number of failed handoffs. The comparative analysis is established under four different scenarios, according to the service class and the traffic level, within the Wi-Fi frequency band. The results show the performance evaluation obtained through simulations and experimental measurements, where the VIKOR algorithm has a better performance in terms of failed handoffs under different scenarios and collaboration levels.
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Girma, Solomon T., and Abinet G. Abebe. "Mobility Load Balancing in Cellular System with Multicriteria Handoff Algorithm." Advances in Fuzzy Systems 2017 (2017): 1–8. http://dx.doi.org/10.1155/2017/2795905.
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Efficient traffic load balancing algorithm is very important to serve more mobile users in the cellular networks. This paper is based on mobility load balancing handoff algorithm using fuzzy logic. The rank of the serving and the neighboring Base Transceiver Stations (BTSs) are calculated every half second with the help of measurement report from the two-ray propagation model. This algorithm is able to balance load of the BTS by handing off some ongoing calls on BTS’s edge of highly loaded BTS to move to overlapping underloaded BTS, such that the coverage area of loaded BTS virtually shrunk towards BTS center of a loaded sector. In case of low load scenarios, the coverage area of a BTS is presumed to be virtually widened to cover up to the partial serving area of neighboring BTS. This helps a highly loaded neighboring BTS or failed BTS due to power or transmission. Simulation shows that new call blocking and handoff blocking using the proposed algorithm are enhanced notably.
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Kettrey, Heather Hensman, Alyssa J. Davis, and Jessica Liberman. "“Consent Is F#@king Required”: Hashtag Feminism Surrounding Sexual Consent in a Culture of Postfeminist Contradictions." Social Media + Society 7, no. 4 (2021): 205630512110629. http://dx.doi.org/10.1177/20563051211062915.
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Hashtag feminism exists in a time of postfeminist contradictions marked by the simultaneous existence of popular feminism and popular misogyny. In one such contradiction, popular feminism has led women to expect the successful negotiation of sexual consent, while popular misogyny permits the circulation of traditional sexual scripts that disregard the necessity of consent. In this study, we analyze messages conveyed through digitized narratives of sexual consent posted on Tumblr, a social media site that is popular among feminist activists, to identify the ways that users construct meaning around the dissonance between expectations for consent and the inequalities that inhibit its negotiation. We specifically explore whether hashtag feminism navigates postfeminist contradictions in a way that simultaneously calls out misogyny and calls on feminism. We find that the Tumblr posts in our sample did both, albeit in a manner that failed to offer tangible solutions to the problem at hand. Calls on feminism were largely limited to tagging feminist allies and recirculating existing feminist campaigns. Thus, we argue that the hashtag ultimately became a handoff to a larger feminist abstraction. Future research should explore conditions under which activists link tangible issues, actors, and agendas to an otherwise abstract popular feminism.
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Hernandez, Cesar, Diego Giral, and C. Salgado. "Failed handoffs in collaborative Wi-Fi networks." TELKOMNIKA (Telecommunication Computing Electronics and Control) 18, no. 2 (2020): 669. http://dx.doi.org/10.12928/telkomnika.v18i2.14894.
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Giral, Diego, Cesar Hernández, and Enrique Rodríguez-Colina. "Spectrum Decision-Making in Collaborative Cognitive Radio Networks." Applied Sciences 10, no. 19 (2020): 6786. http://dx.doi.org/10.3390/app10196786.
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Spectral decision making is a function of the cognitive cycle. It aims to select spectral opportunities within a set of finite possibilities. Decision-making methodologies, based on collaborative information exchanges, are used to improve the selection process. For collaborative decision making to be efficient, decisions need to be analyzed based on the amount of information. Using little data can produce inefficient decisions, and taking a lot of data can result in high computational costs and delays. This document presents three contributions: the incorporation of a collaborative strategy for decision making, the implementation of real data, and the analysis of the amount of information through the number of failed handoffs. The collaborative model acts as a two-way information node, the information it coordinates corresponds to the Global System for Mobile Communications (GSM) band, and the amount of information to be shared is selected according to five levels of collaboration: 10%, 20%, 50%, 80%, and 100%, in which each percentage represents the total number of users that will be part of the process. The decision-making process is carried out by using two multi-criteria techniques: Feedback Fuzzy Analytical Hierarchical Process (FFAHP) and Simple Additive Weighting (SAW). The results are presented in two comparative analyses. The first performs the analysis using the number of failed handoffs. The second quantifies the level of collaboration for the number of failed handoffs. Based on the obtained percentage ratios, the information shared, and the average of increase rates, the level of collaboration that leads to efficient results is determined to be between 20% and 50% for the given number of failed handoffs.
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Diego, Giral, Hernandez Cesar, and Martinez Fredy. "Analysis and assessment software for multi-user collaborative cognitive radio networks." International Journal of Electrical and Computer Engineering (IJECE) 12, no. 4 (2022): 4507–20. https://doi.org/10.11591/ijece.v12i4.pp4507-4520.
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Computer simulations are without a doubt a useful methodology that allows to explore research queries and develop prototypes at lower costs and timeframes than those required in hardware processes. The simulation tools used in cognitive radio networks (CRN) are undergoing an active process. Currently, there is no stable simulator that enables to characterize every element of the cognitive cycle and the available tools are a framework for discrete-event software. This work presents the spectral mobility simulator in CRN called “App MultiColl-DCRN”, developed with MATLAB’s app designer. In contrast with other frameworks, the simulator uses real spectral occupancy data and simultaneously analyzes features regarding spectral mobility, decision-making, multi-user access, collaborative scenarios and decentralized architectures. Performance metrics include bandwidth, throughput level, number of failed handoffs, number of total handoffs, number of handoffs with interference, number of anticipated handoffs and number of perfect handoffs. The assessment of the simulator involves three scenarios: the first and second scenarios present a collaborative structure using the multi-criteria optimization and compromise solution (VIKOR) decision-making model and the naïve Bayes prediction technique respectively. The third scenario presents a multi-user structure and uses simple additive weighting (SAW) as a decision-making technique. The present development represents a contribution in the cognitive radio network field since there is currently no software with the same features.
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Hernandez, Cesar, Diego Giral, and Tania Vaca. "Performance evaluation of a proposal for spectrum assignment based on combinative distance-based assessment multicriteria strategy." International Journal of Electrical and Computer Engineering (IJECE) 14, no. 5 (2024): 5308. http://dx.doi.org/10.11591/ijece.v14i5.pp5308-5318.
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Cognitive radio networks offer an alternative to low spectral availability in some frequency bands due to their high demand for frequency channels. This article proposes to improve the spectral assignment based on the combinative distance-based assessment multicriteria algorithm. The metrics obtained are compared with a simple additive weighting algorithm and a RANDOM selection. To establish the algorithm 's performance, five quality-of-service metrics are used: number of handoffs, number of failed handoffs, average bandwidth, average throughput, and cumulative average delay. From the analysis of the results obtained, combinative distance-based assessment (CODAS) presented the best result for the cost metrics with the lowest levels, and for the benefit metrics, the highest levels were obtained.
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Fonfa, Ann. "Integrative oncology from the patient advocate perspective." Journal of Clinical Oncology 32, no. 26_suppl (2014): 133. http://dx.doi.org/10.1200/jco.2014.32.26_suppl.133.
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133 Background: As a 20+ year breast cancer survivor I sought to find and offer information on natural cancer strategies. At first I needed them for my own cancer protocol, then to help others Integrative Oncology refers to the simple, natural and non-toxic approaches that can reduce toxicity, possibly enhance the efficacy of conventional treatment, and create feelings of well-being and control in people dealing with cancer. Many studies, some from long ago, have pointed to the strong patient interest in Integrative Oncology (formerly known as CAM). Yet the professional oncology community’s knowledge has failed to keep up. Trained to seek level 1 studies, they have failed to note the preponderance of all the other evidence available supporting natural approaches. Due to cost, most natural products/substances are not reviewed at level 1 and probably will never be. Methods: We’ve created a simple program we call 3 Steps 4 Health, which offers anyone in cancer treatment a guide to improved health. We will present the research that backs up these simple ideas that can be incorporated into anyone’s protocol. We also have a handout to reduce toxicities that is evidence-based to help with those adverse effects that plague modern cancer patients. So many suffer from neuropathy – there are quite a few methods to protect or treat this with complementary therapies that can be integrated into conventional treatment. Results: ASCO has pointed to the value of Yoga, of ginger, and other natural approaches but oncology professionals have been slow to adopt or recommend. Conclusions: We will provide evidence-based information on integrative oncology and the 3 Steps 4 Health program.
Book chapters on the topic "Failed handoff"
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Sharma, Er Avni, and Gourav Kumar Dhiman. "MOBILITY AND HANDOFF MANAGEMENT IN 5G." In Futuristic Trends in Information Technology Volume 3 Book 3. Iterative International Publishers, Selfypage Developers Pvt Ltd, 2024. http://dx.doi.org/10.58532/v3bkit3p3ch1.
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This paper offers an overview of the current advancements in Operating Systems (OSs) for Wireless Sensor Networks (WSNs). In recent years, the research community has shown significant interest in WSNs due to their diverse applications, ranging from battlefield deployment and industrial process monitoring to home automation and environmental observation. WSNs pose unique challenges as they operate in dynamic environments where nodes can fail due to harsh conditions and limited battery resources. These networks consist of small, resource- constrained devices known as motes, characterized by restricted memory and computational capabilities. Additionally, WSNs often operate autonomously, making it difficult to replace sensor motes once deployed. Therefore, a primary objective is to optimize the lifespan of these sensor motes.These distinctive characteristics of WSNs impose specific challenges on OS design, diverging from conventional OS design principles. This survey aims to shed light on the key concerns related to OS design in WSNs and to evaluate the strengths and weaknesses of contemporary OSs in this context, considering the evolving requirements of WSN applications. We examine the state-of-the-art in WSN operating systems across various aspects, including OS architecture, programming model, scheduling mechanisms, memory management and protection, communication protocols, resource sharing, support for real-time applications, and additional functionalities. Our assessment encompasses both real-time and non-real-time OSs designed for WSNs.