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Slit Loaded Compact Shaped Patch Antenna for 5GHz Wireless Application
Get PDFPurpose: The study and design of flexible patch antenna with different inset gap width fabricated on RT duriod 5880 substrate for fifth generation wireless application is presented in this article. The patch is composed of slits along the length and width separated by copper ground plane on backside and is directly fed by inset feed. The antennas resonated at multiband characteristics with better return loss (RL) suitable for fifth generation wireless and other indoor communication based applications. Radiation patters are nearly broadsided with a heart like shape for resonant band of frequency.
Design/Methodology/Approach: The antenna is designed using a theoretical framework based on known equations as in literature. To construct and model the various antennas, the Computer Simulation Technology (CST) free student edition is employed.
Findings/Result: By the proposed simulated models, the slit based patch antenna design 1 has achieved dual band characteristics with bands namely: at fr1 = 4.5 GHz (with return loss up to -30 dB) having bandwidth 1.5% and fr2 = 10.5 GHz (with return loss up to -26 dB) having bandwidth of 2.2%. Whereas, the design 2 has again dual resonances at lower and higher frequency bands with the reduced return loss up to -23 dB at fr1 = 4.5 GHz having bandwidth 1.5% and fr2 = 12.5 GHz with return loss up to -17 dB having bandwidth of 14%. Hence, the antenna design 2 has achieved the maximum bandwidth of 14% suitable for wireless applications, RADAR, Fixed-satellite services.
Originality/Value: The design of slits cut on patch by varying inset feed width gap on flexible substrate for 5G frequency band is investigated.
Paper Type: Original Research Contribution
Quantitative ABCD Analysis of Consumers’ Intention toward Mitigation of Food Waste in Restaurants
Get PDFPurpose: The primary goal of the ABCD Analysis Framework is to discover the variables that affect customers' intentions to mitigate food waste while dining in restaurants and to assess the underlying determinants and issues that underpin the model's advantages, benefits, challenges, and disadvantages. An appropriate score / weightage can be given for each component utilizing the ABCD model. Additionally, the framework intends to apply factor analysis and elementary analysis to get additional understanding of the subject.
Design: The published papers pertaining to the ABCD analysis framework have been extensively evaluated for this study. By giving proper weight to key attributes and using quantitative analysis through focus group interaction, the study was able to identify the key influencing variables and essential constituent aspects for the mitigation of food waste behaviour of consumers in restaurants.
Findings: Based on the ABCD analysis framework, it was discovered that many businesses and individuals adopt this new kind of approach that promotes sustainability or survival to get through their serious issues and find short relief. Through focus group discussions, the ABCD framework's assessment of consumers' intentions to reduce food waste has led to strong support for the advantages elements. Therefore, the results of this model will help back up the effectiveness of the mitigation of food waste in restaurants.
Originality/Value: The ABCD analysis method is used in this study to closely investigate consumers' intentions to reduce food waste while dining in restaurants. In order to comprehend the many aspects influencing customers' intention to mitigate food waste, the research utilizes determinant issues, key attributes, factor analysis and elementary analysis based on essential critical constituent elements.
Paper Type: Empirical analysis
A Case Study on Coronary Heart Disease using Machine Learning Techniques
Get PDFBackground/Purpose: We have seen an increase in coronary heart disease and heart attack risk in recent years. This is a case study on Sri Jayadeva Institute of Cardiovascular Sciences and Research, Bengaluru to get a better understanding of the heart related ailments and their related symptoms. The hospital specializes in cardiology, cardiothoracic surgery and paediatric cardiology. Based on the symptoms various ailments are diagnosed and treated with different treatments like angioplasty, placement of stent, lifestyle changes and medicines. As part of the research, various health parameters will be collected and analyzed for diagnosing heart related ailments using Machine Learning methods. Determining the appropriate Machine Learning technique to achieve maximum accuracy is the key to achieve a better treatment and prevention of mortality.
Design/Methodology/Approach: This study was undertaken using secondary sources, such as website of Sri Jayadeva Institute of Cardiovascular Science and Research, journals, conference articles, the internet and scholarly articles. The SWOT framework is used to analyse, and present, the information acquired from web articles, scholarly papers and other sources.
Findings/Results: Heart ailments can be predicted using a few key parameters which can help in avoiding mortality. For this purpose machine learning algorthims, Neural Networks, Particle Swarm algorithm and many more can be applied on those medicial parameters.
Originality/Value: This paper reports an exhaustive and comprehensive overview of Coronary Heart Diseases and the treatment provided by Jayadeva Cardiology Hospital on different data collected.
Paper Type: Case study-based Research Analysi
Cost-Effective Design of Latrine for Low Income Group
No full textPurpose: Latrine is a symbol of cleanness. It is most to have a latrine even for getting basic government facilities. Though the country is declared ODF, in reality, it is difficult to maintain the status for long. There are pieces of evidence that the declared ODF zones have reverted to open defecation over time. It was in this context, that the study was carried out to explore appropriate latrines to be constructed in the case of Mahottari District, Nepal.
Design/Methodology/Approach: Two communities namely Khyarmara (of Bardibas Municipality wards no. 10 and 11) and Pipara (of Pipara rural municipality, wards no. 1 to 7) were selected for the study. Household surveys along with the observation of the latrines constructed in the homestead, focus group discussion with the local people and key informants with the local implementers are the main sources of data followed by secondary data.
Findings/Result: The study has identified three different types of latrines existing in the study areas including water seal offset type single pit latrine (SO), latrine with the septic tank (LST), and water seal offset type double pit latrine (DO). By and large, SO-type latrines exist in the study area. It was found that 87 % of the latrines are currently sustained (SL), whereas the rest fall under either the sustained but at risk (SAR) category or simply not sustained (NS). The study analysis showed that the water seal offset double pit latrine (DO) is more sustainable and cost-effective in comparison to other types of latrines that exist in the study area. This led to the recommendation for constructing DO types of latrines in the study areas. It is very challenging for people having low income to afford to construct the latrines. Therefore, it is worthwhile to provide certain support in terms of capital subsidy to construct the latrines for the weaker section of society.
Originality/Value: This is significant to policymakers and designers to overcome the issue of toilet construction.
Paper Type: Action Researc
Impact of Emotional Labour, Work-life Balance, and Job Satisfaction on Cabin Crews’ Job Performance
Get PDFPurpose: The purpose of this paper was to investigate the impact of emotional labour, job satisfaction, and work-life balance on cabin crews’ job performance. In addition, an attempt was made to evaluate the moderating effect of job satisfaction and work-life balance in lowering the negative repercussions of emotional labour on job performance.
Design: 201 responses were obtained from cabin crew members through a primary data collecting survey, which were then analysed using several statistical tools relating to the study's aims, including ANOVA and regression analysis through SPSS 26. Furthermore, secondary data was collected via numerous web platforms such as Google Scholar, Science Direct, Emerald Publications, Tailor and Francis, Srinivas Publications, etc.
Findings: The results showed that emotional labour had a significant negative impact on job performance, whereas a high level of work-life balance and job satisfaction mitigated the negative effects of emotional labour on job performance. Finally, the study claimed that job satisfaction and work-life balance have a significant impact on cabin crew performance.
Originality/Value: Since flight attendants frequently struggle with the problem of emotional consequences as a result of the nature of their job, this study is critical to the HR of the aviation sector in implementing policies to reduce the negative effect of emotional labour in order to improve job satisfaction and work-life balance, which increases cabin crews' productivity.
Type of Paper: Empirical stud
The Impact of Social Media Use of Start-ups on their Entrepreneurial Opportunities in Kerala
No full textPurpose: Understanding the social media platforms that a startup can use to its advantage from the start is the primary necessity for the study. The study's success depends on having a solid understanding of the social media channels via which a starting business might make money right away. This study will help readers understand how social media can help new businesses and business owners who are up for the challenging realities of the corporate world. Thousands of new startups are formed every year with the aim of becoming the next big thing; some of these startups manage to achieve enormous success quickly. The majority of them won't make it a huge success, but a select handful are endowed with amazing ideas and even better leadership. In the success of a product, there is one term that is absolutely crucial: marketing. While some unsuccessful startups are a result of poor vision strategies that were developed early on, others fail as a result of other factors. This study used to analyse the impact of social media use of start-ups on their entrepreneurial opportunities in Kerala.
Methodology: The study was conducted in Kerala. A questionnaire was used to collect the main data. The size of the organisation served as a suitable criterion for choosing the various entrepreneurs for this investigation. For this analysis, only startups were taken into account. 61 different samples in all were chosen. The samples were conveniently collected. The questionnaire served as the main method for gathering data.
Finding: Social media is playing a bigger and bigger role in the fast-paced corporate world, and startups are not an exception. Social networking platforms open up a lot of chances for people, especially for business owners. In this study, it is found that most of the new entrepreneurs were used new social media to explore new opportunities for business development and the information about unexploited entrepreneurial opportunities through Social media gave a feeling of excitement to most of the entrepreneurs.
Originality: The study was conducted in Ernakulam District in Kerala. The business entrepreneurs were considered for the study. The study used to analyse the impact of social media use of start-ups on their entrepreneurial opportunities in Kerala.
Paper Type: Applied Researc
Rationalization of the Economy through Migrant Workers in the Unorganized Sector of Kerala
No full textPurpose: Kerala has seen a considerable influx of migrant workers from various parts of India in recent years. Kerala is an attractive job market for workers from outside the state because of higher earnings, plentiful employment options, and a scarcity of local labourers. The goal of this article is to look at the availability of casual migrant workers in Kerala's labour market as well as their impact on the state's economy. Also looked at how migrants' financial and social status improves as a result of migration.
Design/Methodology/Approach: Descriptive Research was used in this study, which is focused on secondary data sources. Secondary data is gathered through books, newspapers, journals, articles, and government websites.
Originality: The influences of migrant workers in the rationalization of the economy are discussed.
Value: The study will aid in assessing the financial and social upliftment of migrant workers owing to migration by looking at the availability of migrant workers, labour force participation rate, worker population ratio, and wage rate.
Findings: There has been a whopping increase in the number of migrant workers in the labour market of Kerala, it figured out that there were 4,12,849 migrants in 2001 and it soared to 31,50,000 migrants in 2020. It is mostly owing to increased job availability and high remuneration rates, which can be seen even in Kerala's unorganised industry. 60% of migrant workers are employed in construction, 8% in manufacturing, 7% in hotels and restaurants, 2% in trade and 2% in agriculture, with the remaining 23% engaged in other occupations. As a result of migration, people's quality of life increases. By educating people about different cultures, traditions, and languages, it enhances their social lives and encourages intergroup harmony, which in turn helps society as a whole.
Paper Type: Descriptive stud
Effect of Smartphone Assisted Cardiac Rehabilitation Self-Management (SACRSM) on Talk Test Value and Six Minute Walk Test Distance in Uncomplicated Cardio Vascular Disease (CVD) Patient – Single Case Study
No full textPurpose: A single case study was carried to analyze the use of Smartphone Assisted Rehabilitation for Cardiac Patients through Self Management (SACRSM) on Talk Test value and 6MWTD in Uncomplicated Cardio Vascular Disease Patients.
Design/Methodology/Approach: The researchers around the world have done various descriptive study designs to read the effect of Smartphone Assisted Cardiac Rehabilitation Self Management (SACRSM) on talk test and six minute walk test parameters which might help to attain the objectives of the study. Scarcity of literature on the effect of Smartphone Assisted Cardiac Rehabilitation Self-Management (SACRSM)to manage uncomplicated Cardio Vascular Disease patients on talk test value and six minute walk test parameters lead to undergo this study. Data were collected from the study are recorded and analyzed. The respondents of the study were uncomplicated cardio vascular disease patients within 6 months prior to this study intervention and who has been diagnosed and referred from Cardiac Physician.
Finding/Result: This case study shown significant improvement in the outcome of talk test value and six minute walk test parameters with the effect of Smartphone Assisted Cardiac Rehabilitation Self Management (SACRSM) for 24 weeks in CVD patients. So SACRSM is important to be availed with easier feasible way to attain gain in the form of talk test value and six minute walk test parameters in coronary artery disease patients.
Originality/Value: Execution of Cardiac Rehabilitation through Smartphone Intervention.
Paper Type: Case Study Researc
Application of Safety by Design for the Hazards Identified at the site of Burtibang Paudi-Amarai Tamghas Sandhikharka Gorusinghe 132 kV Transmission Line Project, Nepal
No full textPurpose: Construction of Transmission lines is complicated and hazardous as they are mostly located in difficult hilly terrain. The study is aimed to identify the hazards during the construction and determine how the approach of Safety by Design can be used to eliminate/control such hazards in the project under implementation at the site of Burtibang Paudi-Amarai Tamghas Sandhikharka Gorusinghe 132 kV Transmission Line Project, Nepal.
Design/Methodology/Approach: The Safety by design guidelines, regulations, and manual were consistently referred and Observation with Checklist, KII (Key Informant Interview), Likert scale- based Questionnaire survey were conducted to apply safety by design followed by Chi-square test, Kendall rank correlation coefficient analysis. Cronbach’s alpha assures reliability and literature comparison assures validity.
Findings/Result: Erection, Stringing & Excavation were found as most risky activities followed by Lifting & transportation and Concreting. These activities constituted of various hazards. Mechanical hazard was found to be the most prevailing hazard of all followed by Physical, Physiological, Psychological, Biological and Chemical hazard. Working location (top of tower), Slippery surface & Hand tools were the major mechanical hazards whereas Heat & humidity was the major physical hazards. Also Working posture/Bad ergonomics and Carrying overload were the major physiological hazards whereas working pressure/deadlines/target, Wages & leave and food & accommodation were the major psychological hazard. Similarly Mosquito & Snake bites were found to be the major biological hazards whereas Silica, Sand & Cement dust were the chemical hazards in the site. Despite most of the Clients and Contractors have responded that they have heard about SbD, it was found that SbD was not implemented in the site. Most of these hazards can be prevented by adopting the SbD approach in early design phase.
Originality/Value: It is action research. This study helps to identify the possible hazards in transmission line construction and use the concept of SbD approach to eliminate or control (if not possible) those hazards.
Paper Type: Ex-Post Facto Researc
IFE & EFE, TOWS and QPSM Analysis of Online Food Delivery Services
No full textPurpose: This study attempts to analyse internal and external factors that favourably lead to increased turnover of Online Food Delivery Services and to offer best strategies that can be implemented based on those indicators, and select the most effective strategy.
Design: The study is based on primary and secondary data. Focus group method were employed as primary data source for IFE and EFE analysis followed by TOWS matrix and QSPM analysis and secondary data was obtained by reference to journal papers and books.
Findings: The results shows that the company should select the best strategy as improvement in food quality followed by related food diversification.
Originality/Value: The paper helps to understand the internal and external factors influencing sales of Online Food Delivery Services by the use of different analysis framework.
Type of the Paper: Qualitative Analysi