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Wireless data broadcast is a popular data dissemination method in mobile computing environments because of its capability of concurrently disseminating data to multiple users. In this paper, we study the data retrieval scheduling problem for multi-item requests in multi-channel broadcast environments. To maximize the number of downloads given a deadline, we define a problem called largest number data...
In this paper, we consider the distributed scheduling problem for the OFDM based device-to-device (D2D) communications. In order to fully exploit the spatial diversity of the channel variation as well as provide access fairness for all D2D links, we propose a synchronous Distributed Opportunistic scheduling protocol under Fairness constraints (DO-Fast). DO-Fast incorporates the opportunistic scheduling...
Efficiently scheduling the optimal multi-user multiple-input multiple-output links presents a considerable challenge since it depends upon accurate knowledge of the multi-user channel state information and involves significant computational complexity. This paper demonstrates a technique for efficiently scheduling based on a few key parameters that describe the physical nature of multi-user propagation...
In an ad hoc network, efficiently scheduling the optimal multi-user multiple-input multiple-output links is challenging. Specifically, optimal scheduling requires full understanding of the subspace structure of the channel matrices, but exploiting this detailed information during scheduling requires significant computational and algorithmic complexity. This paper demonstrates efficient yet effective...
For satisfying the requirements of broadband wireless access networks for high throughput and low delay, a delay sensitive scheduling algorithm based on simple network coding, DSNC, is presented. With the introduction of delivery state parameter, DSNC selectively combines retransmission packets into an innovative one by only XOR operation. Not only can DSNC reach the upper band of network throughput...
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