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Article
Publication date: 13 January 2021

A non-linear mathematical model-based routing protocol for WBAN-based health-care systems

Ch Rajendra Prasad and Polaiah Bojja

This paper aims to present a non-linear mathematical model-based routing protocol for wireless body area networks (WBANs). Two non-linear mathematical models for WBANs are…

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Abstract

Purpose

This paper aims to present a non-linear mathematical model-based routing protocol for wireless body area networks (WBANs). Two non-linear mathematical models for WBANs are used in the proposed protocols Model 1 and Model 2. Model 1 intends to improve the data transmission rate and Model 2 intends to reduce energy consumption in the WBANs. These models are simulated for fixed deployment and priority-based data transmission, and performance of the network is analyzed under four constraints on WBANs.

Design/methodology/approach

Advancements in wireless technology play a vital role in several applications such as electronic health care, entertainment and games. Though WBANs are widely used in digital health care, they have restricted battery capacity which affects network stability and data transmission. Therefore, several research studies focused on reducing energy consumption and maximizing the data transmission rate in WBANs.

Findings

Simulation results of the proposed protocol exhibit superior performance in terms of four network constraints such as residual energy, the stability of the network, path loss and data transmission rate in contrast with conventional routing protocols. The performance improvement of these parameters confirms that the proposed algorithm is more reliable and consumes less energy than traditional algorithms.

Originality/value

The Model 1 of the proposed work provides maximum data extraction, which ensures reliable data transmission in WBANs. The Model 2 allocates minimal hop count path between the sink and the sensor nodes, which minimizes energy consumption in the WBANs.

Details

International Journal of Pervasive Computing and Communications, vol. ahead-of-print no. ahead-of-print
Type: Research Article
DOI: https://doi.org/10.1108/IJPCC-09-2020-0138
ISSN: 1742-7371

Keywords

  • Network lifetime
  • E-health-care system
  • Non-linear mathematical models
  • Reliable data transmission
  • WBANs

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Article
Publication date: 12 June 2017

“I am from nowhere”: identity and self-perceived health status of skilled immigrants employed in low-skilled service sector jobs

Rajendra Prasad Subedi and Mark Warren Rosenberg

The foreign-born skilled immigrant population is growing rapidly in Canada but finding a job that utilizes immigrants’ skills, knowledge and experience is challenging for…

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Abstract

Purpose

The foreign-born skilled immigrant population is growing rapidly in Canada but finding a job that utilizes immigrants’ skills, knowledge and experience is challenging for them. The purpose of this paper is to understand the self-perceived health and social status of skilled immigrants who were working in low-skilled jobs in the service sector in Ottawa, Canada.

Design/methodology/approach

In this qualitative study, semi-structured interviews with 19 high-skilled immigrants working as taxi drivers and convenience store workers in the city of Ottawa, Canada were analysed using a grounded theory approach.

Findings

Five major themes emerged from the data: high expectations but low achievements; credential devaluation, deskilling and wasted skills; discrimination and loss of identity; lifestyle change and poor health behaviour; and poor mental and physical health status.

Social implications

The study demonstrates the knowledge between what skilled immigrants expect when they arrive in Canada and the reality of finding meaningful employment in a country where international credentials are less likely to be recognized. The study therefore contributes to immigration policy reform which would reduce barriers to meaningful employment among immigrants reducing the impacts on health resulting from employment in low-skilled jobs.

Originality/value

This study provides unique insights into the experience and perceptions of skilled immigrants working in low-skilled jobs. It also sheds light on the “healthy worker effect” hypothesis which is a highly discussed and debated issue in the occupational health literature.

Details

International Journal of Migration, Health and Social Care, vol. 13 no. 2
Type: Research Article
DOI: https://doi.org/10.1108/IJMHSC-09-2015-0035
ISSN: 1747-9894

Keywords

  • Canada
  • Health
  • Stress
  • Social status
  • Low-skilled jobs
  • Skilled immigrant

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Article
Publication date: 7 May 2019

Parametric optimization in modified air abrasive jet machining

S. Rajendra Prasad, K. Ravindranath K. Ravindranath and M.L.S. Devakumar M.L.S. Devakumar

The choice of best machining parameters is an extremely basic factor in handling of any machined parts. The purpose of this paper is to exhibit a multi-objective…

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Abstract

Purpose

The choice of best machining parameters is an extremely basic factor in handling of any machined parts. The purpose of this paper is to exhibit a multi-objective optimization technique; in view of weighted aggregate sum product assessment (WASPAS) technique toward upgrade the machining parameters in modified air abrasive jet machining (MAAJM) process: injecting pressure, stand-off distance (SOD), and abrasive mesh size measure with 100 rpm rotatable worktable on Nickel 233 alloy material. Three conflicting destinations, material removal rate (MRR), surface roughness (SR) and taper angles (Ta), respectively, are considered at the same time. The proposed procedure uses WASPAS, which is the examination of parametric optimization of the abrasive jet machining (AJM) process. The results was used any scopes of reactions in MAAJM process is the ideal setting of parameters are resolved through investigations represented. There is wide utilization of Nickel 233 in aviation enterprises; machining information on producing a hole utilizing MAAJM for the first time is given in this work, which will be helpful different industries.

Design/methodology/approach

This paper exhibits a multi-objective optimization technique; in view of WASPAS technique toward upgrade the machining parameters in MAAJM process: injecting pressure, SOD, and abrasive mesh size measure with 100 rpm rotatable worktable on Nickel 233 alloy material.

Findings

As an outcome of using the tool in any ranges of responses in the AJM process, the optimal setting of parameters is determined through experiments illustrated. The machining data of generating a hole using AJM are studied for the first time in this work, which will be useful for aerospace industries, where Nickel 233 is used broadly.

Originality/value

A new material in unconventional machining process and also a multi-objective optimization technique are adopted.

Details

Multidiscipline Modeling in Materials and Structures, vol. 15 no. 3
Type: Research Article
DOI: https://doi.org/10.1108/MMMS-02-2018-0036
ISSN: 1573-6105

Keywords

  • Responses
  • Process parameters
  • WASPAS
  • Nickel 233 alloy

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Article
Publication date: 28 August 2009

Technology transfer for rural housing: An interpretive structural modeling approach

Nirmal Kumar, Rajendra Prasad, Ravi Shankar and K.C. Iyer

Technological intervention for housing construction in rural areas in India is very low. The purpose of this paper is to understand the mutual influences of the variables…

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Abstract

Purpose

Technological intervention for housing construction in rural areas in India is very low. The purpose of this paper is to understand the mutual influences of the variables influencing technology transfer in the rural housing sector.

Design/methodology/approach

Using interpretive structural modeling, the research presents a hierarchy‐based model and the mutual relationships among the variables of innovative and cost‐effective technology transfer.

Findings

The outcome of the research is a framework for technology transfer in rural India. The research shows that there exists a group of variables having a high driving power and low dependence requiring maximum attention. Another group consists of those variables which have high dependence and are the resultant actions.

Practical implications

This framework provides a useful tool to understand the mutual relationships among different variables in effective technology transfer.

Originality/value

Presentation of variables in a hierarchy and the classification into driver and dependent categories is unique in the area of technology transfer in the rural housing sector.

Details

Journal of Advances in Management Research, vol. 6 no. 2
Type: Research Article
DOI: https://doi.org/10.1108/09727980911007208
ISSN: 0972-7981

Keywords

  • India
  • Rural areas
  • Housing
  • Construction systems
  • Technology led strategy

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Article
Publication date: 8 January 2021

Extent of urban agriculture and food security: evidence from Ghana and India

Richard Kwasi Bannor, Mohit Sharma and Helena Oppong-Kyeremeh

The study attempted to assess the food security status of urban agriculture households in Ghana and India. Also, the extent of urban agriculture participation and its…

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Abstract

Purpose

The study attempted to assess the food security status of urban agriculture households in Ghana and India. Also, the extent of urban agriculture participation and its effect on food security in Ghana and India were examined.

Design/methodology/approach

A total of 650 urban agriculture farmers were interviewed for this study in Ghana and India. Food security status of urban households was assessed by the use of the Household Food Insecurity Access Scale, whereas the determinants of the extent of urban agriculture and its effect on food security were analysed by the use of the heteroskedastic linear regression and the Seemingly Unrelated Regression models, respectively.

Findings

From the study on average, households in Ghana were mildly food insecure, but that of India was moderately food insecure. The results further revealed that various demographic, economic, institutional and health and nutrition factors differently influenced urban food security and urban agriculture. Also, the extent of urban agriculture participation positively influenced food security.

Originality/value

Several studies in Asia (India) and Africa (Ghana) on urban food security have been geographically limited to New Delhi, Mumbai and Greater Accra, with few studies in the Middle Belt of Ghana, and Bihar in India. Besides, there is a limited, rigorous, empirical study on the effect of the extent of UA on food security in Asia (India) and Africa (Ghana) individually and together. Moreover, we extend the frontiers of the methodological approach by applying the Seemingly Unrelated Regression (SUR) model to understand if the factors that affect food-security accessibility based on two food security accessibility tools are correlated.

Details

International Journal of Social Economics, vol. ahead-of-print no. ahead-of-print
Type: Research Article
DOI: https://doi.org/10.1108/IJSE-08-2020-0519
ISSN: 0306-8293

Keywords

  • Urban agriculture
  • Food security
  • HFIAS
  • per capita food expenditure

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Article
Publication date: 3 August 2012

Scenario planning for service quality: a Monte Carlo simulation study

Anand Prakash, Sanjay Kumar Jha and Rajendra Prasad Mohanty

The purpose of this paper is to propose the idea of linking the use of the Monte Carlo simulation with scenario planning to assist strategy makers in formulating strategy…

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Abstract

Purpose

The purpose of this paper is to propose the idea of linking the use of the Monte Carlo simulation with scenario planning to assist strategy makers in formulating strategy in the face of uncertainty relating to service quality gaps for life insurance business, where discontinuities always remain for need‐based selling.

Design/methodology/approach

The paper reviews briefly some applications of scenario planning. Scenario planning emphasizes the development of a strategic plan that is robust across different scenarios. The paper provides considerable evidence to suggest a new strategic approach using Monte Carlo simulation for making scenario planning.

Findings

The paper highlights which particular service quality gap attribute as risk impacts most and least for the possibility of occurrences as best case, worst case, and most likely case.

Research limitations/implications

This study suffers from methodological limitations associated with convenience sampling and anonymous survey‐based research.

Practical implications

The approach using Monte Carlo simulation increases the credibility of the scenario to an acceptable level, so that it will be used by managers and other decision makers.

Social implications

The paper provides a thorough documentation on scenario planning upon studying the impact of risk and uncertainty in service quality gap for making rational decisions in management of services such that managers make better justification and communication for their arguments.

Originality/value

The paper offers empirical understanding of the application of Monte Carlo simulation to scenario planning and identifies key drivers which impact most and least on service quality gap.

Details

Journal of Strategy and Management, vol. 5 no. 3
Type: Research Article
DOI: https://doi.org/10.1108/17554251211247599
ISSN: 1755-425X

Keywords

  • Customer services quality
  • Gap analysis
  • Monte Carlo simulation
  • Life insurance
  • Scenario planning
  • Corporate strategy

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Article
Publication date: 11 February 2014

Business strategy of automotive and farm equipment sector of the Mahindra & Mahindra Group of India

Rajendra Prasad Mohanty and Prince Augustin

This paper traces the historical evolution and growth trajectory of the automotive and farm equipment sector, which is a very significant entity of the Mahindra & Mahindra…

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Abstract

Purpose

This paper traces the historical evolution and growth trajectory of the automotive and farm equipment sector, which is a very significant entity of the Mahindra & Mahindra (M&M) group. The purpose of this paper is to understand and provide a pragmatic framework through which the authors can see what were the internal and external factors and the spirit of the contemporary times that led to the changes in the nature of the group.

Design/methodology/approach

The “Greiner curve” model has been applied to interpret the evolutionary growth of the group and strategic trajectory explaining characteristics in its different phases.

Findings

M&M initially went through its share of learning and grew through pragmatic and, orchestrated entrepreneurial risk. The group made a very successful transition from a proprietorship model to a professionally managed group. It is found that rapid growth has been possible through innovation led collaboration. The group is increasingly organizing its innovation activities around the development of responses to specific challenges.

Research limitations/implications

This study suffers from methodological limitations associated with a stage model that the estimated length of the time the organizations will stay in a phase is not known. It is unclear whether passage through all stages is necessary; or whether, in some circumstances, one or more stages may be omitted, and if variations in sequencing can occur. The data for the initial years was not available in primary form and the paper had to depend entirely on the secondary sources.

Practical implications

Various strategies adopted by the group from time to time have practical implications for Indian economy. The group has faced many challenges, but challenge-led collaboration-driven approach represents a new type of innovation process that contrasts with other methods of business strategies and provides a sharper focus for managerial and technical issues and brings together stakeholders with diverse interests, expertise and perspectives.

Originality/value

This study is a unique attempt in India to trace the evolution of the strategic interventions in the context of a major business group, which is considered to be a symbolic representation of Indian economic history. The paper has got both academic as well as managerial utility.

Details

Journal of Strategy and Management, vol. 7 no. 1
Type: Research Article
DOI: https://doi.org/10.1108/JSMA-01-2013-0011
ISSN: 1755-425X

Keywords

  • Collaboration
  • Innovation
  • Creativity
  • Mergers and acquisitions
  • Automotive
  • Greiner curve

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Article
Publication date: 16 November 2015

Strategic collaboration management between Indian oil marketing and auto-service companies: An empirical study

Debabrata Bhattacharjee, Anand Prakash and Rajendra Prasad Mohanty

The downstream oil marketing companies (OMCs) have an opportunity to compensate their huge under-recovery by increasing non-fuel revenues through strategic planning for…

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Abstract

Purpose

The downstream oil marketing companies (OMCs) have an opportunity to compensate their huge under-recovery by increasing non-fuel revenues through strategic planning for collaboration with organized companies (OCs) of auto-servicing sector, who are experiencing a surge in the demand for auto-servicing. The purpose of this paper is to explore the business need for strategic collaboration and empirically validate the building mechanism for collaborative capacities between the two sectors (OMCs and OCs).

Design/methodology/approach

The paper is designed to explore the implementation of collaboration using needs analysis, exploratory factor analysis and structural equation modelling process for building collaborative capacities between the two sectors.

Findings

Although alignment is a necessary condition before allowing for a valid collaboration between the two sectors, the external alignment process is highly significant for implementing collaboration unlike the internal alignment process.

Research limitations/implications

Methodological limitations include the use of convenience sampling and anonymous survey-based research.

Practical implications

Selecting the “right” identified factors for collaboration is unquestionably one of the most important topics in the collaboration literature, which holds vast practical implications.

Originality/value

This study provides practical and theoretical insights for implementing collaboration based on empirical results.

Details

Journal of Strategy and Management, vol. 8 no. 4
Type: Research Article
DOI: https://doi.org/10.1108/JSMA-09-2014-0084
ISSN: 1755-425X

Keywords

  • Structural equation modelling
  • Collaboration
  • Supply chain management
  • Strategic management
  • Auto-service companies
  • Oil marketing

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Article
Publication date: 8 April 2014

From acorn to oak – Indian style: Mahindra & Mahindra’s growth curve

– This paper aims to review the latest management developments across the globe and pinpoint practical implications from cutting-edge research and case studies.

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Abstract

Purpose

This paper aims to review the latest management developments across the globe and pinpoint practical implications from cutting-edge research and case studies.

Design/methodology/approach

This briefing is prepared by an independent writer who adds their own impartial comments and places the articles in context.

Findings

Mahindra & Mahindra initially went through its share of learning and grew through pragmatic and orchestrated entrepreneurial risk. The group made a very successful transition from a proprietorship model to a professionally managed group. It is found that rapid growth has been possible through innovation-led collaboration. The group is increasingly organizing its innovation activities around the development of responses to specific challenges.

Practical implications

The paper provides strategic insights and practical thinking that have influenced some of the world’s leading organizations.

Originality/value

The briefing saves busy executives and researchers hours of reading time by selecting only the very best, most pertinent information and presenting it in a condensed and easy-to-digest format.

Details

Strategic Direction, vol. 30 no. 5
Type: Research Article
DOI: https://doi.org/10.1108/SD-02-2014-0025
ISSN: 0258-0543

Keywords

  • Collaboration
  • Innovation
  • Creativity
  • India
  • Mergers and acquisitions
  • Greiner curve

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Article
Publication date: 4 January 2021

Role of river stage in characterization of phreatic line

Vikram Kumar and Srivastava Granthi

The purpose of this study is to understand the basics of interactions of groundwater and surface water, which is needed for effective management of water resources.

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Abstract

Purpose

The purpose of this study is to understand the basics of interactions of groundwater and surface water, which is needed for effective management of water resources.

Design/methodology/approach

The experimental setup was framed using curved flume and the straight flume, which simulates the model of river and groundwater storage, respectively. The model set up further consists, downstream, central and upstream sections where 14 observation wells, which are arranged at a measured distance from the canal side.

Findings

Exit gradient is higher at downstream when the average head differences between canal and river are 31.9 cm and 35.7 cm. Free seepage height is more in the downstream wells than upstream and central wells. At the downstream section, there is a greater chance of instability of the riverbank.

Research limitations/implications

Results will be used for better planning of hydraulic structural design.

Practical implications

Results will help in storing the large water and better irrigation planning for the water acute states and locations.

Originality/value

The originality is own developed physical model and its own first type to understand the basic of interaction and effects.

Details

World Journal of Engineering, vol. ahead-of-print no. ahead-of-print
Type: Research Article
DOI: https://doi.org/10.1108/WJE-03-2020-0100
ISSN: 1708-5284

Keywords

  • Groundwater
  • Energy loss
  • Phreatic line
  • Surface water

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