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Method for promoting relay nodes to feedback real information

A relay node and feedback information technology, which is applied in the field of distributed wireless communication, can solve the problems of inability to relay node feedback and the authenticity of feedback information is not really reflected, so as to save information transmission loss and storage space, and reduce revenue gap, and the effect of improving network transmission efficiency

Inactive Publication Date: 2011-04-20
XIDIAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The method of the reputation mechanism is to rely on feedback and store a large number of other relay node supervision information to weigh the authenticity of the relay node feedback information, so that only relying on the past information to measure the current feedback information, but the current feedback information The authenticity is not really reflected, so it cannot prompt the relay node to feed back its real information

Method used

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  • Method for promoting relay nodes to feedback real information
  • Method for promoting relay nodes to feedback real information
  • Method for promoting relay nodes to feedback real information

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] refer to figure 1 , the specific implementation steps of the present invention are as follows:

[0034] Step 1, the source node sends its own data information.

[0035] In a distributed wireless communication network, when the source node sends its own data information x to a destination node beyond its own transmission range, it must rely on the relay node to forward its own data information x, and the source node broadcasts its own data information x to the surrounding nodes. A relay node transmits a signal.

[0036] figure 2 A simplified model is described in which a source node needs help from a relay node to forward data information to a destination node. Among them, in this model, there are 1 relay nodes that adopt the decoding and forwarding protocol.

[0037] Step 2, the relay node decodes the received data information.

[0038] The relay node uses the decoding and forwarding protocol, which can decode the received data information Among them, P s is th...

Embodiment 2

[0078] Implementation effect of the present invention can be further illustrated by following simulation:

[0079] Simulation conditions:

[0080] In the simulation of the present invention, a wireless relay communication model must first be constructed. The distributed wireless communication model includes a source node, a destination node and some relay nodes. These relay nodes are randomly distributed between the source node and the destination node. The simulation parameters are selected as shown in Table 1:

[0081] Table 1

[0082] parameter

value

Number of relay nodes

10

all channels

Rayleigh distribution

Each relay node has bandwidth

1MHz

Transmit power of relay node

10mw

Received the price of the correct bit

100 / bit

Transmit power on each physical resource block

50mw

noise power

75mw

[0083] Simulation content:

[0084] (1) Verify that the relay node can only obtain t...

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Abstract

The invention discloses a method for promoting relay nodes to feedback real information in a distributed radio communication network. The distributed radio communication network comprises a source node, relay nodes and a destination node. The source node takes the relay nodes, which can correctly decode and feedback information to the source node, as candidate nodes, and a certain number of relay nodes are selected from the candidate nodes as forwarding nodes for forwarding information. After the forwarding nodes acquire profit from the destination node, the source node can adjust profit among the candidate nodes according to information previously fed back by the candidate nodes. By designing a profit allocation mechanism under a radio network, the method can promote the relay nodes to feedback respective real information without the supervision of other nodes or the memory of original data. Thus, network transmission rate can be largely improved.

Description

technical field [0001] The invention relates to the technical field of distributed wireless communication, in particular to a method for prompting these relay nodes to feed back their own real information in a wireless network with autonomous relay nodes. Background technique [0002] The future communication network is a distributed and flat structure, which requires relay nodes to relay signals, and these relay nodes have the ability to be autonomous, and can intelligently choose to forward signals that are beneficial to them, and discard those that are not used by them. Signal. Under the future network architecture, this autonomous processing capability makes it possible for the relay node to feed back false information to confuse the source node to make a wrong choice, so that the relay node can obtain unexpected benefits. The reputation mechanism can be used to deal with the above problems, and the reputation value is used to measure whether a relay node has fed back i...

Claims

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Application Information

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IPC IPC(8): H04W28/08H04L1/00
Inventor 杨清海李静磊宁刚傅丰林
Owner XIDIAN UNIV
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