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Renewable energy optimization method of energy collection type wireless relay network with maximum throughput

A wireless relay network, renewable energy technology, applied in network traffic/resource management, wireless communication, energy reduction, etc. The effect of increasing user reputation

Inactive Publication Date: 2018-02-02
ZHEJIANG UNIV OF TECH
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Problems solved by technology

[0003] However, the energy consumption generated by densely deploying relay base stations and the resulting greenhouse gas (such as carbon dioxide) emissions are also huge.

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  • Renewable energy optimization method of energy collection type wireless relay network with maximum throughput
  • Renewable energy optimization method of energy collection type wireless relay network with maximum throughput
  • Renewable energy optimization method of energy collection type wireless relay network with maximum throughput

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Embodiment Construction

[0048] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0049] refer to figure 1 , a renewable energy optimization method for maximizing the throughput of energy-intensive wireless relay networks, in other words, maximizing system benefits with end-to-end throughput maximization through joint time scheduling and power allocation. The present invention is based on an energy-collecting wireless relay network system (such as figure 1 shown). In the energy-intensive wireless relay network system, the maximum transmission rate is achieved by optimizing time scheduling and power allocation. The invention proposes a renewable energy optimization method for throughput maximization for the time scheduling and power control problems in the energy-collecting wireless relay network under the condition of limited data cache and energy storage battery. The optimization method includes the following steps :

[0050] 1) In th...

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Abstract

The invention provides a renewable energy optimization method of an energy collection type wireless relay network with maximum throughput. The method comprises the following steps: 1) realizing the maximum throughput in the energy collection type wireless relay network via renewable energy optimization management, wherein the optimization problem is described as a multi-variable optimization; 2) decomposing P1 problem into two sub optimization problems due to the convex optimization properties: power sub optimization and time slot sub optimization; in view of the power sub optimization, optimizing the variable pi by using a regular convex optimization algorithm (interior point method); and in view of the time slot sub optimization, optimizing the variable (the formula is as shown in the specification) by using a prediction subgradient method. The invention provides a renewable energy optimization method for realizing the maximum throughput and maximum system efficiency in the energy collection type wireless relay network by combining time scheduling with power allocation.

Description

technical field [0001] The invention relates to the technical field of energy-collecting wireless relay networks, in particular to a renewable energy optimization method for maximizing the throughput of energy-collecting wireless relay networks. Background technique [0002] Mobile data traffic has been growing exponentially due to the proliferation of wireless devices and emerging multimedia services. Due to channel losses such as path loss, shadowing, and small-scale fading, more and more indoor and edge users may experience low-quality service performance. To overcome this obstacle, relay-assisted access technology has been proposed as a valuable solution to exploit energy efficiency and spatial diversity to improve user service quality indoors and at the cell edge. The relay base station will serve as a relay station for communication between edge users and macro cell base stations. [0003] However, the energy consumption generated by densely deploying relay base stat...

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Application Information

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IPC IPC(8): H04W28/06
CPCH04W28/06Y02D30/70
Inventor 钱丽萍冯安琪严雨桐吴远黄亮
Owner ZHEJIANG UNIV OF TECH
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