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Resource distribution method for relay network with energy harvesting nodes based on QoS demand

A relay network and energy harvesting technology, applied in wireless communication, power management, electrical components, etc., can solve problems such as no research

Active Publication Date: 2017-05-24
SHANDONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the relay network system, energy harvesting is used for communication. At present, there is still no research in this area in the available information.

Method used

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  • Resource distribution method for relay network with energy harvesting nodes based on QoS demand
  • Resource distribution method for relay network with energy harvesting nodes based on QoS demand
  • Resource distribution method for relay network with energy harvesting nodes based on QoS demand

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Experimental program
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Embodiment

[0080] A relay network resource allocation method based on QoS requirements including energy collection nodes is realized by a relay network in wireless communication. The system includes a transmitting end (TX), a relay node (RN) and a receiving end (RX ), where both the sending end and the relay node can perform energy harvesting, the system adopts double-hop relay technology, the wireless channel from the sending end to the relay node is represented as link 1, namely link-1, and the wireless channel from the relay node to the receiving end Represented as link 2 or link-2; the relay node (RN) receives the data from the sending end through link 1, then decodes and forwards it, and sends data to the receiving end (RX) through link 2; the relay node works in half Duplex mode; assume that the wireless channel obeys block fading, and the duration of each block is T; the communication network has N subcarriers in total, and the bandwidth of each subcarrier is WHz, and the nth (n∈{1...

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PUM

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Abstract

The invention discloses a resource distribution method for a relay network with energy harvesting nodes based on a QoS demand and belongs to the technical field of wireless communication. According to the method, a relay network system is employed. The system comprises a sending end, a receiving end and a relay node. The sending end and the relay node can harvest energy and communicate through utilization of the harvested energy. In communication at the relatively long distance, in order to improve the communication security and reliability and reduce the problems such as the communication interference, a relay technology is employed. According to the resource distribution method for the relay network researched by the invention, the energy harvesting and the relay technology are combined, system resources namely subcarriers and the power are jointly distributed, so the effective capacity is maximized in the communication process of the relay network, and the communication performance is improved.

Description

technical field [0001] The invention relates to a relay network resource allocation method including energy collection nodes based on QoS requirements, and belongs to the technical field of wireless communication. Background technique [0002] With the continuous development of wireless communication technology and the continuous application of relay technology, the research on relay networks with energy harvesting nodes has attracted more and more attention. A wireless communication system with energy harvesting nodes can use solar cells, vibration absorption equipment, microbial fuel cells, etc. to collect energy from nature for the wireless communication system to work. In such systems, energy can be harvested while communicating and stored in a battery for use in subsequent communications. [0003] Recently, there are many related researches on data transmission based on energy harvesting in the literature. These studies are all devoted to improving the throughput of th...

Claims

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Application Information

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IPC IPC(8): H04W52/26H04W52/34H04W52/46H04W72/04H04W72/08
CPCH04W52/265H04W52/346H04W52/46H04W72/0453H04W72/0473H04W72/543H04W72/542
Inventor 马丕明崔敏玉马艳波
Owner SHANDONG UNIV
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