Approaches for broadcasting temporal data in mobile computing systems

Lam, Kam-Yiu; Chan, Edward; Yuen, Joe Chun-Hung

doi:10.1016/s0164-1212(99)00122-3

Cited by 19 publications

(9 citation statements)

References 18 publications

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“…In Fernandez and Ramamritham (2004), an adaptive approach is suggested to allocate bandwidth for periodic and on-demand broadcast in time-critical asymmetric communication environments. In Lam et al (2000), Absolute Validity Interval (AVI) was introduced to capture the temporal constraints of data items. Two most related works to our research are Zhang (2000) and Xu et al (2003b).…”

Section: Related Workmentioning

confidence: 99%

Scheduling real-time requests in on-demand data broadcast environments

Lee

2006

Real-Time Syst

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On-demand broadcast is an attractive data dissemination method for mobile and wireless computing. In this paper, we propose a new online preemptive scheduling algorithm, called PRDS that incorporates urgency, data size and number of pending requests for real-time on-demand broadcast system. Furthermore, we use pyramid preemption to optimize performance and reduce overhead. A series of simulation experiments have been performed to evaluate the real-time performance of our algorithm as compared with other previously proposed methods. The experimental results show that our algorithm substantially outperforms other algorithms over a wide range of workloads and parameter settings.

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Section: Related Workmentioning

confidence: 99%

Scheduling real-time requests in on-demand data broadcast environments

Lee

2006

Real-Time Syst

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“…In other words, each version of the data item is only valid for a period of time. This is called the temporal data item [Lam et al 2000]. Therefore, it is critical to consider the temporality of data items in scheduling to prevent receiving outdated information.…”

Section: System Characteristicsmentioning

confidence: 99%

Scheduling Temporal Data with Dynamic Snapshot Consistency Requirement in Vehicular Cyber-Physical Systems

Lee

et al. 2014

ACM Trans. Embed. Comput. Syst.

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Timely and efficient data dissemination is one of the fundamental requirements to enable innovative applications in vehicular cyber-physical systems (VCPS). In this work, we intensively analyze the characteristics of temporal data dissemination in VCPS. On this basis, we formulate the static and dynamic snapshot consistency requirements on serving real-time requests for temporal data items. Two online algorithms are proposed to enhance the system performance with different requirements. In particular, a reschedule mechanism is developed to make the scheduling adaptable to the dynamic snapshot consistency requirement. A comprehensive performance evaluation demonstrates the superiority of the proposed algorithms. . 2014. Scheduling temporal data with dynamic snapshot consistency requirement in vehicular cyber-physical systems. ACM Trans. Embedd.

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“…There are different strategies to address these issues (Lam, 2000). One of the strategies is to classify the data items into groups on the bases of their temporal characteristics and the frequency they change.…”

Section: Temporal Data and Mobile Computing Systemsmentioning

confidence: 99%

Information Handing with Mobile Client using Web Services: a Disconnected Approach

Ahsan

Mahmood

Nadeem

2013

JAIT

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Mobile computing plays a significant role in providing efficiency and effectiveness for profitable and nonprofit organizations. Large organizations have always dealt with multiple operations simultaneously for the running and smooth delivery of their organizational goals. The healthcare sector's operational behavior is the same as business organizations due to critical information handling and the complex functioning of their services. The logistics, emergency services, patients' needs, hospital management, doctors' priorities for providing smooth service delivery, case taking and decisions about patients at any time are the main issues across the health sector. In this era, the stakeholders of the healthcare sector want instant information about their patients while they are on the move. Mobile devices for providing instant information on the need from anywhere are the best solution for paramedical staff. The purpose of this study is to explore the mobile technology applications in conjunction with communication through web services and application development within healthcare. The study considers client-server technology that will support mobile data access in terms of web services and the SOAP protocol using the interoperable database filing mechanism of XML.

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Approaches for broadcasting temporal data in mobile computing systems

Cited by 19 publications

References 18 publications

Scheduling real-time requests in on-demand data broadcast environments

Scheduling real-time requests in on-demand data broadcast environments

Scheduling Temporal Data with Dynamic Snapshot Consistency Requirement in Vehicular Cyber-Physical Systems

Information Handing with Mobile Client using Web Services: a Disconnected Approach

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