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- W2437754454 abstract "It is very challenging to support multimedia services with the strict requirements of Quality-of-Service (QoS) in bandwidth limited wireless cellular networks, especially for cell edge users who often suffer from co-channel interference. Multi-view Video (MVV) is an increasingly popular multimedia service, which consists of multiple video streams captured by close spaced cameras and permits changeable viewpoints by playing different streams. To eliminate Overlapping Frames (OFs) of MVV and guarantee the required QoS, this paper develops a new stream architecture called Overlapping Reduced Multi-view video Transmission (ORMT) and proposes a novel multicast Fractional Frequency Reuse (FFR) network model. An optimization problem is then formulated to maximize the Energy Efficiency (EE) of the network under QoS constraint. This problem can be relaxed to a suboptimal one, which is proved to be convex. A low-complexity scheme solving the optimization problem is then proposed to allocate frequency resources based on the QoS requirements for both cell edge users and cell center users. The simulation results demonstrate that the proposed ORMT architecture can save the bandwidth up to 50%. Meanwhile, there is only 4% gap between the performance of the proposed scheme and that of the optimal solution." @default.
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- W2437754454 date "2015-08-01" @default.
- W2437754454 modified "2023-09-30" @default.
- W2437754454 title "QoS-aware energy-efficient multicast for multi-view video with Fractional Frequency Reuse" @default.
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- W2437754454 doi "https://doi.org/10.1109/chinacom.2015.7498002" @default.
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