2012
DOI: 10.1016/j.datak.2011.09.005
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Profit-based scheduling and channel allocation for multi-item requests in real-time on-demand data broadcast systems

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Cited by 30 publications
(17 citation statements)
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“…In multi-channel wireless environment, Liu and Lee (2010b) extended a number of representative scheduling schemes to evaluate their performances in scheduling multi-item requests. Lv et al (2012) introduced the concepts of "profit" and "opportunity cost" to on-demand data broadcast for solving data scheduling problem on a single channel and multiple channels, and proved its NP-hard. Dewri et al (2012) scheduled real time requests with deadlines to reduce the miss ratio, and the proposed scheduler attempts to maximize the utility of requests and serves the requests in their deadlines as far as possible.…”
Section: Related Workmentioning
confidence: 99%
“…In multi-channel wireless environment, Liu and Lee (2010b) extended a number of representative scheduling schemes to evaluate their performances in scheduling multi-item requests. Lv et al (2012) introduced the concepts of "profit" and "opportunity cost" to on-demand data broadcast for solving data scheduling problem on a single channel and multiple channels, and proved its NP-hard. Dewri et al (2012) scheduled real time requests with deadlines to reduce the miss ratio, and the proposed scheduler attempts to maximize the utility of requests and serves the requests in their deadlines as far as possible.…”
Section: Related Workmentioning
confidence: 99%
“…A much more comprehensive discussion on recent research results can be found in [22]. Lv et al introduced the concept of profit into the broadcast schedule and proposed an efficient scheduling algorithm in [23] which always choose the data item with highest profit to be broadcast at each time unit. It should be pointed out that, all the work mentioned above focused on one-shot broadcast schedule and the goals of them are fundamentally different from ours in providing timing predictability.…”
Section: Related Workmentioning
confidence: 99%
“…Profit [15] is a counterpart of item access frequency for multi-item requests. For a given multi-item request, the profit of a required item reflects the contribution of the item to the completion of the request.…”
Section: A Experimental Setupmentioning
confidence: 99%
“…If the request is closer to completion, the profit of the remaining unserved items is higher. As profit is more effective than item access frequency for multi-item requests [15], a new algorithm called Slack time Inverse Profit (SIP), which is similar to SIN except that item access frequency is replaced by profit, is included for comparison.…”
Section: A Experimental Setupmentioning
confidence: 99%