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The increasing demand on higher transmission speed and lower latency has become popular in 5G related researches. Cooperation is one possible solution to enhance system performance. In this work, we focus on the problem of enhancing the performance of cooperative among mobile terminals under the constraint of cooperative link capacity. Different from traditional researches, we consider the scenario...
With the increasing demand of transmission speed and more robust quality of service, the capacity constrained backhaul gradually becomes bottleneck in cooperative wireless networks, e.g. in Joint Processing mode of LTE-Advanced Pro. This paper focuses the fact of resource allocation with limited backhaul capacity in uplink cooperative networks, where two base stations (BS) equipped with single-antenna...
Recent studies show that the novel wireless charging technology can extend the lifetime of Wireless Sensor Networks (WSNs) towards perpetual operations. Recharging Vehicles (RVs) can be applied in WSNs to recharge sensors conveniently via wireless charging devices. Most of existing work focused only on energy replenishment whereas ignored sensor activity management. In this paper, we propose a new...
The reduction of energy consumption in base stations becomes popular recently. However, it is difficult to reduce energy consumption under the constraint of Quality of Service (QoS). In this paper, we propose a novel energy aware control method to adjust the radius that the base station provide the service in wireless downlink systems, the optimal radius of the base stations provide service could...
To reduce energy waste in future cellular networks, the most effective and reliable method is to close idle base stations when not needed, but how to find the proper and optimal method to control the target cell and the adjacent ones are still blank according to recent researches. In this work, we extend our research in cooperative scheme, and figure out a heuristic control method of eNodeBs in GREEN...
Study on energy consumption in wireless systems becomes attractive recently. The worldwide organization 3GPP has established a series of standards to help reduce energy consumption in wireless systems. However, the utilization of green related techniques is still in theoretical way. To reduce energy consumption in cellular networks, the effective and common method is to shut down idle base stations...
Energy consumption problem in mobile personal communications recently becomes popular. Generally, the design and construction of mobile networks are appropriate for peak data traffic, so at leisure time and regions, base station resources will be wasted. Previous researches always tried to reduce the energy consumption of base stations, which takes up about 60% of the total consumption in WCDMA networks...
Energy consumption in current cellular communication systems becomes more and more critical with the demand for higher throughput and explosive growth of terminal equipment. However, the consumption is evitable in low traffic load time or area, e.g. in late-night. In order to reduce system energy consumption, power off low load base stations is an easy and effective way to reduce energy consumption,...
Video delivery in TV White Space (TVWS) is a challenging task due to the variation of the spectrum availability in TVWS and the stringent bandwidth requirements of video streaming. Most existing frameworks employ an opportunistic spectrum access style which result in bandwidth inefficiency since only one spectrum hole in white space can be used. In this paper, we propose a bandwidth efficient white...
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