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GASE based TDMA wireless Mesh network resource allocation method

A network resource allocation and resource allocation technology, applied in the field of wireless communication, can solve the problems of not considering the efficiency of transmission power utilization and the inability to improve the utilization rate of network energy

Inactive Publication Date: 2016-08-17
XIDIAN UNIV
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Problems solved by technology

This method can reduce the complexity of resource allocation, but only considers the optimal time slot allocation, and does not consider the utilization efficiency of transmission power, and cannot improve the energy utilization of the network

Method used

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  • GASE based TDMA wireless Mesh network resource allocation method
  • GASE based TDMA wireless Mesh network resource allocation method
  • GASE based TDMA wireless Mesh network resource allocation method

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Embodiment Construction

[0031] The present invention will be further described below in conjunction with accompanying drawing:

[0032] refer to figure 1 , the implementation steps of the present invention are as follows:

[0033] Step 1, establish the resource allocation model of the TDMA wireless Mesh network based on the area spectrum efficiency GASE.

[0034] (1a) Calculate the number of all pairs of nodes that can be connected to each other in the network, that is, the number of feasible links: assuming that there are 8 nodes in the network, that is, node=8, the number of links L is obtained num =(node 2 -node) / 2=28;

[0035] (1b) Suppose the coordinates of the i-th sending node are (x i ,y i ), the coordinates of the jth receiving node are (x j ,y j ), find the distance between the link l=(i,j) receiving and sending nodes: where l ∈ E, i, j ∈ V;

[0036] (1c) by link distance d ij As matrix elements, generate a distance matrix D:

[0037]

[0038] When i≥j, d ij =0, node is the...

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Abstract

The invention discloses an area spectral efficiency (GASE) based TDMA wireless Mesh network resource allocation method. The problem of low network energy efficiency caused by sharp increase of wireless network energy consumption is mainly solved. According to the technical scheme, the area spectral efficiency is used as an optimization goal to establish an optimization model; the model is decomposed into a power allocation model and a time slot allocation model; a nonlinear simplex method and an interior point penalty function method are adopted to solve the power allocation model, a branch and bound method is adopted to solve the time slot allocation model on the basis of power allocation to complete time slot allocation, namely resource allocation. The GASE based TDMA wireless Mesh network resource allocation method gives consideration to the power allocation while achieving resource allocation of a TDMA wireless Mesh network, accordingly improves the energy utilization efficiency of the network, reduces the energy consumption of the network and can be used for the TDMA wireless Mesh network.

Description

technical field [0001] The invention belongs to the technical field of wireless communication, in particular to a method for allocating network resources, which can be used in a TDMA wireless Mesh network. Background technique [0002] Wireless Mesh network is an emerging technology that has attracted more and more attention in recent years. It is a network capable of dynamic self-organization and self-configuration. TDMA-based wireless Mesh networks can maximize the utilization of wireless channels and allocate channel resources efficiently in a highly competitive network environment, so they can provide higher network capacity. [0003] There are many redundant paths between Mesh network nodes, and the interference between links is more complicated. The existing wireless Mesh network schedules time slots mainly to improve throughput or reduce the length of time slots, and seldom considers to the energy utilization of the entire network. [0004] The invention patent with...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W72/04
CPCH04W72/52H04W72/53Y02D30/70
Inventor 卢小峰许源杨玉洁张海林
Owner XIDIAN UNIV
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