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Energy efficiency has become a critical metric in the current wireless communication and network because we spend a number of energy for operating networks. In particular, the base station is the most energy consuming part of a mobile network. Therefore, there are many approaches to solve this problem. Among them, the sleep mode of macrocell base station is one of high impact techniques. The sleep...
This paper investigates suitable topology management strategies for a two-hop beyond next generation mobile broadband network, in order to substantially reduce energy consumption at low traffic levels. The energy model is introduced here. Several rules are proposed which are based on both traffic load and behaviour of adjacent nodes. A balance between energy saving and required Quality of Service...
Energy consumption in mobile networks, e.g. 3G networks, may be a substantial part of an operator's expenses. A large part of the total energy of the network is consumed by the radio access network. Today operators are saving energy by turning off carriers or cells during periods with low traffic by manually configuring on-off periods. At the same time, operators are seeking to increase cost efficiency...
In the context of green technology, we propose in this work1 a new channel access method for wireless systems to reduce energy consumption. This method uses the concept of Cross Layer Design and cognitive radio blind sensing techniques to formulate a unified framework for congestion and fading analysis as well as Backoff exponent computation. It allows to acquire from the physical layer the information...
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