کد مقاله کد نشریه سال انتشار مقاله انگلیسی ترجمه فارسی نسخه تمام متن
6882802 1443888 2018 27 صفحه PDF سفارش دهید دانلود رایگان
عنوان انگلیسی مقاله ISI
Heterogeneous incentive mechanism for time-sensitive and location-dependent crowdsensing networks with random arrivals
ترجمه فارسی عنوان
مکانیزم انگیزه ناهمگن برای حساس به زمان و شبکه های جمعیتی وابسته به محل با ورود تصادفی
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه مهندسی کامپیوتر شبکه های کامپیوتری و ارتباطات
چکیده انگلیسی
With the rapid development and ubiquity of mobile devices, crowdsensing has become an effective technique by taking advantages of mobile users to collect massive sensing data. Many incentive mechanisms have been proposed to encourage mobile users to participate in crowdsensing tasks. However, most of them allocate homogeneous rewards to sensing tasks and assume a fixed set of participants, while inherent inequality among tasks and randomness of participants' arrival have been ignored for a long time, especially for time-sensitive and location-dependent crowdsensing systems. In this paper, we focus on time-sensitive and location-dependent crowdsensing systems with random arrivals, and propose a two-level heterogeneous pricing mechanism to balance the participation of participants among tasks. In particular, the reward budget of each task is determined based on its relative popularity among tasks by considering the spatio-temporal inequality of tasks at the inter-task level, and the reward of a task to each participation dynamically changes as the demand of measurements changes at the intra-task level. Moreover, we prove that the task selection problem for randomly arriving participants with time budget is NP-hard, and further propose several efficiently greedy task selection algorithms to help each participant select tasks to maximize its total payoff. Experimental results show that the proposed heterogeneous incentive mechanism outperforms existing incentive mechanisms.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Computer Networks - Volume 131, 11 February 2018, Pages 96-109
نویسندگان
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