Online maximized system throughput control method in energy collection type wireless relay network

A wireless relay network, system throughput technology, applied in wireless communication, electrical components, power management and other directions, can solve the problem of user service quality degradation and so on

Active Publication Date: 2018-02-06
ZHEJIANG UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to overcome the disadvantages in the prior art that the quality of user service decreases due to the uncertainty of the channel and renewable energy, the present invention provides an online control method

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  • Online maximized system throughput control method in energy collection type wireless relay network
  • Online maximized system throughput control method in energy collection type wireless relay network
  • Online maximized system throughput control method in energy collection type wireless relay network

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Embodiment Construction

[0088] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0089] refer to figure 1 , an online control method for maximizing system throughput of an energy-collecting wireless relay network, implementing this method can provide a stable and reliable best-effort transmission scheme under the condition of uncertain collected energy. The present invention is based on an energy-collecting wireless relay network system (such as figure 1 shown). In an energy-intensive wireless relay network, a source node sends data to a destination node through one of a plurality of energy-intensive relay nodes using decode-and-forward (DF). The invention aims at an online control method for maximizing system throughput of an energy-collecting wireless relay network, and the control method includes the following steps:

[0090] 1) In an energy-collecting wireless relay network, the end-to-end system throughput is maximized through opt...

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Abstract

The invention relates to an online maximized system throughput control method in the energy collection type wireless relay network. The method comprises steps that 1), in the energy collection type wireless relay network, end-to-end system throughput maximization is realized through optimal relay selection and combined time scheduling and power control, and an optimization problem is described tobe one multi-variable optimization; 2), a problem P1 is decomposed into two sub problems of relay selection and combined time scheduling and power distribution; 3), an optimal relay is acquired through solving forwarding capacity of a relay node k, optimal time scheduling (an expression described as the specifications) and power distribution (an expression described as the specifications) are acquired by the optimal relay through realizing the maximized total throughput. The method is advantaged in that largest throughput and the maximized system benefit are realized in the energy collection type wireless relay network through optimal relay selection and combined time scheduling and power distribution.

Description

technical field [0001] The invention relates to the technical field of energy-collecting wireless relay networks, in particular to an online control method for maximizing system throughput of an energy-collecting wireless relay network. 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 stations and ...

Claims

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Application Information

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IPC IPC(8): H04W24/02H04W40/10H04W40/14H04W40/22H04W52/24H04W72/12
CPCH04W24/02H04W40/10H04W40/14H04W40/22H04W52/241H04W72/1263
Inventor 钱丽萍严雨桐冯安琪吴远黄亮
Owner ZHEJIANG UNIV OF TECH
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