• Title, Summary, Keyword: mobile communication

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Effect of Movile Communication during Non-Worktime: Increasing Worker's Stress in the IT Industry

  • Hahm, SangWoo
    • Journal of Internet Computing and Services
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    • v.19 no.4
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    • pp.95-105
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    • 2018
  • As the IT industry has developed, the frequency of mobile communication usage has increased sharply. Mobile communication has many advantages such as improving work performance, communication beyond time and local constraints, and rapid and vast amounts of information exchange. However, mobile communication also allows supervisors to give their subordinates work at any time. Thus, mobile communication may also have a negative impact on workers' stress levels during non-work time. This study examined required time, urgent business, personal engagement, and trivial matters as sub-dimensions of mobile communication messages that workers could receive during non-work time. Further, the nature of the relationship between team leaders and members explains how these messages may increase the stress levels of workers. Supervisors should prohibit the use of such mobile communication, and efforts should be made at the enterprise level. Through this research, we aim to explain the dual nature of mobile communication, and understand how to optimize the usage of this innovative technology

Mobility-Aware Ad Hoc Routing Protocols for Networking Mobile Robot Teams

  • Das, Saumitra M.;Hu, Y. Charlie;Lee, C.S. George;Lu, Yung-Hsiang
    • Journal of Communications and Networks
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    • v.9 no.3
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    • pp.296-311
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    • 2007
  • Mobile multi-robot teams are useful in many critical applications such as search and rescue. Explicit communication among robots in such mobile multi-robot teams is useful for the coordination of such teams as well as exchanging data. Since many applications for mobile robots involve scenarios in which communication infrastructure may be damaged or unavailable, mobile robot teams frequently need to communicate with each other via ad hoc networking. In such scenarios, low-overhead and energy-efficient routing protocols for delivering messages among robots are a key requirement. Two important primitives for communication are essential for enabling a wide variety of mobile robot applications. First, unicast communication (between two robots) needs to be provided to enable coordination and data exchange. Second, in many applications, group communication is required for flexible control, organization, and management of the mobile robots. Multicast provides a bandwidth-efficient communication method between a source and a group of robots. In this paper, we first propose and evaluate two unicast routing protocols tailored for use in ad hoc networks formed by mobile multi-robot teams: Mobile robot distance vector (MRDV) and mobile robot source routing (MRSR). Both protocols exploit the unique mobility characteristics of mobile robot networks to perform efficient routing. Our simulation study show that both MRDV and MRSR incur lower overhead while operating in mobile robot networks when compared to traditional mobile ad hoc network routing protocols such as DSR and AODV. We then propose and evaluate an efficient multicast protocol mobile robot mesh multicast (MRMM) for deployment in mobile robot networks. MRMM exploits the fact that mobile robots know what velocity they are instructed to move at and for what distance in building a long lifetime sparse mesh for group communication that is more efficient. Our results show that MRMM provides an efficient group communication mechanism that can potentially be used in many mobile robot application scenarios.

MobPrice: Dynamic Data Pricing for Mobile Communication

  • Padhariya, Nilesh;Raichura, Kshama
    • Journal of information and communication convergence engineering
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    • v.13 no.2
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    • pp.86-96
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    • 2015
  • In mobile communication, mobile services [MSs] (e.g., phone calls, short/multimedia messages, and Internet data) incur a cost to both mobile users (MUs) and mobile service providers (MSPs). The proposed model MobPrice consists of dynamic data pricing schemes for mobile communication in order to achieve optimal usage of MSs at minimal prices. MobPrice inspires MUs to subscribe MSs with flexibility of data sharing and intra-peer exchanges, thereby reducing overall cost. The main contributions of MobPrice are three-fold. First, it proposes a novel k-level data-pricing (kDP) scheme for MSs. Second, it extends the kDP scheme with the notion of service-sharing-based pricing schemes to a collaborative peer-to-peer data-pricing (pDP) scheme and a cluster-based data-pricing (cDP) scheme to incorporate the notion of 'cluster' (made up of two or more MUs) in mobile communication. Third, our performance study shows that the proposed schemes are indeed effective in maximizing MS subscriptions and minimizing MS's price/user.

Performance Evaluation of Coordinated Multi-Point Transmission and Reception in Indoor Mobile Communication Systems

  • Lee, Woongsup;Lee, Howon
    • Journal of information and communication convergence engineering
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    • v.11 no.3
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    • pp.167-172
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    • 2013
  • Recently, mobile communication systems are suffering from exponentially increasing data traffic. As a promising solution to the increase in data traffic, a coordinated multi-point transmission and reception (CoMP) scheme has been proposed. Although a great deal of research has been done on this new technology, the performance of mobile communication systems with CoMP has not been evaluated properly in a typical indoor environment. To address this, we have developed a system-level simulator and evaluated the performance of mobile communication systems with CoMP. Unlike previous works, we have used an actual antenna pattern in our simulator and link-level results are properly taken into account through link-level abstraction. By using a system-level simulator, we have evaluated the performance of mobile communication systems with CoMP in an indoor environment and found that unlike an outdoor cellular environment, CoMP may not improve the performance of overall mobile communication systems in an indoor environment.

A Study On The Effect of Mobile Communication Service Quality On Customers Loyalty in Vietnam (베트남 이동 통신 서비스 품질이 고객충성도에 미치는 영향에 관한 연구 : 베트남 사용자를 중심으로)

  • Lien, Nguyen Quynh;Li, Long;Gim, Gwang-Yong
    • Journal of Information Technology Services
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    • v.12 no.3
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    • pp.55-71
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    • 2013
  • Mobile communication industry is attracting a lot of attention all over the world and is expected to continue developing endlessly with the current rapid development of IT industry. Nowadays, mobile communication companies of vietnam are competing about service quality in order to retain existing customers and improve customer satisfaction and customer loyalty. This study attempts to research about the effect of mobile communication service quality on customer satisfaction and affecting relationship between customers satisfaction and customer loyalty. In this research empirically examine how mobile communication service quality influence customer loyalty in Vietnam. To do this, after considering characteristics of mobile communication service quality, quality measurement instrument was designed including call quality, call charge, cellphone, added service quality, corporate image, employee's attitude, and behavior. The study finds that all factors of call quality, added servces quality, corporate image, employee's attitude and behavior have positive effect on customer satisfaction except call charge and customers satisfaction also effects customers loyalty positively. From these results, Vietnam domestic mobile communication companies and foreign companies can grasp the general information about Vietnam mobile communication industry, and then, establish customers satisfaction strategies more effectively.

The Effect of Communication Values on Perception of Mobile Phone As Interpersonal Communication Medium (한국인의 커뮤니케이션 가치관과 대인커뮤니케이션 매체로서의 이동전화의 매체인식: 기성세대의 이중성을 중심으로)

  • Bae, Jin-Han
    • Korean journal of communication and information
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    • v.21
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    • pp.87-113
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    • 2003
  • Despite the ubiquity of mobile phone, the medium has received far less scholarly attention than it should deserve. This study begin with the purpose of fair repositioning of mobile phone in Korean interpersonal communication. To accomplish this purpose, We examined the effect of communication values on perception of mobile phone as interpersonal communication medium, such as the appropriateness and effectiveness of mobile phone. The related raw data were collected from on-line survey process, and statistically analyzed. The result showed that the more effect the traditional communication values of our society have on the perception of mobile phone, the older users are. And Younger generations tend to have more positive attitude to mobile phone as interpersonal communication medium. Particularly when the seniors are interpersonal communication partner and impending task is advice or request, younger persons tend to perceive mobile phone more appropriate and effective than the elder persons do. Thus, it is plausible to predict that relative position of mobile phone will be gradually more important in Koreans' social communication when the younger generation become the mainstream of our society.

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A Study on the Competitive Advantage of the First Mover and Evaluation in Korean Mobile Communication Market: Focused on Competitive forces model of Porter (이동통신 시장 포화상태에 따른 평가와 경쟁우위 확보에 관한 연구: Porter의 경쟁세력모델을 중심으로)

  • Lee, Eun-Jae;Shim, Wan-Seop
    • International Commerce and Information Review
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    • v.7 no.1
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    • pp.35-54
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    • 2005
  • The rapid growth of wide Korean Mobile Communication Market in recent years. in order for Korean Mobile Communication Market to be Successful, it must have a Competitive Advantage. But as of yet, there virtually no such strategies. Hitting upon this situation, this study intends to discover the Competitive Advantage in Korean Mobile Communication Market The Purpose of this paper Investigates Competitive Advantage that Evaluation in Korean Mobile Communication Market. Especially, we Focused on Competitive forces model of Porter. Consequently, the study results show that Competitive Advantage like M-commerce, CS and high technology product in Korean Mobile Communication Market.

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The Effect of Human Factors on the Use of Mobile Phone (이용자의 인적 속성이 이동전화 이용에 미치는 영향)

  • Bae, Jin-Han
    • Korean journal of communication and information
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    • v.19
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    • pp.155-184
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    • 2002
  • Mobile phone users have diversified human factors: their channel orientations are different, and the degrees of unwillingness to communicate vary. We examined the effect of human factors on the use of mobile phone, such as the diversity of mobile phone use, the appropriateness of mobile phone, and the aversion to mobile phone as well as the interpersonal communication network through mobile phone. For our sample we surveyed college students and their family members who are older than 400. We found that the more social presence a mobile phone user gets through the mobile phone, and the more familiar to the mobile phone he/she is, (1) the more diversified is the use of mobile phone service, (2) the higher is the level of acceptance of the mobile phone as an interpersonal communication media, and (3) the lower is the level of aversion to the mobile phone. In contrast, those who have some level of aversion to the face-to-face communication, seem to form very limited interpersonal communication network through mobile phone. Their use of mobile phone is also very limited.

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Application of CRM to Mobile Communication Industry

  • Tian, Liang;Zhang, Xian-Hua
    • Proceedings of the Korea Society for Industrial Systems Conference
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    • pp.40-46
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    • 2007
  • Established CRM system provides a powerful help for maintaining existing client, attracting new client, making profit from client or mobile communication industry. In the system structure of CRM eye, the mobile communication industry of CRM can be divided into three levels. : channel layer; operation layer, analysis layer. The data mining of CRM in mobile communication industry fall into six stages. Finally article gives some CRM's examples to illustrate how to gain client, enhance client's value, and how to maintain existing client.

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Development of Service Use Cases and Business Models for 4G Mobile Communications Based on Device-to-Device Communications (단말기간 직접통신(Device-to-Device) 기반 4G 이동통신 서비스 발굴 및 비즈니스 모델 개발 방법론)

  • Oh, Seul-Ki;Ryu, Seung-Wan;Park, Sei-Kwon;Shin, Dong-Cheon;Kim, Yi-Kang
    • Journal of Information Technology Services
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    • v.11 no.2
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    • pp.339-353
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    • 2012
  • Mobile communication technology is advancing forward to deliver more connected devices and richer content and applications. The number of subscriptions continues to grow along with an explosive increase in the mobile data traffic demand. Thereby, it creates a significant network capacity shortage concerns for mobile network operators. In order to address this problem, it is essential to increase the network capacity at a low additional cost. The device-to-device (D2D) communication based proximity service is believed to have a promising future mobile communication technology that is capable to create new mobile service opportunities and offload traffic to the eNB. In addition, it is also required to develop new mobile communication services and its business models not only to accommodate the increasing mobile traffic demand but also to foster profitability of mobile business service providers such as the network providers, contents providers and platform providers. In this article, we first analyze current mobile business eco-system in the context of CPNT based value chain. Then, propose service development framework and business model creation methodologies for the device-to-device communication based services in the beyond LTE/LTE-Advanced systems.