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In this paper, we propose an efficient scheme to construct fountain codes that can provide unequal error protection (UEP) property. To reduce the coding complexity and improve the performance of previous duplicate UEP schemes in the literature, we implement different rate low-density parity-check codes instead of the duplication process and replace the high-complexity classical robust soliton distribution...
The centralized Radio Access Networks (RAN) architecture is one of the promising approaches to reduce energy consumption of Base Stations (BSs), while BS sleeping technology can achieve further energy savings. In this paper, a power consumption model of the centralized RAN architecture is proposed, which has not been addressed before. Moreover, we analyze the existing BS sleeping schemes and compare...
Switching off some Base Stations (BSs) with low traffic is a promising approach to save energy in cellular networks. However, it should be noted that frequently switching BSs on/off will result in extra energy consumption, hardware booting delay, bad quality of services (QoS) and so on. Therefore, we propose a Centralized Sleeping Scheme (CSS) to consider the performance of BS state stability which...
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