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未来的无线网络系统不可避免的会包含多种无线接入技术，异构性将成为其主要特征。在复杂的异构无线网络中，为用户提供持续最优服务，迄今为止仍没有一个完美的解决途径。如何充分利用网络的异构性为用户所用，是网络选择问题的出发点和归宿。
本文的主要工作就是针对异构无线网络环境下的网络选择算法，归纳起来，本文研究的主要内容包括以下几个方面：
首先，阐明了未来无线异构环境的基本特点以及针对这些特点而形成的一些关键技术。
然后，详细讲解了网络选择的问题由来，网络选择技术分类。
针对多属性决策类的算法，论文讲述这类算法里面具有代表性的AHP&GRA、ELECTRE、SAW、MEW、TOPSIS、Maxmin在内的6种算法的原理，介绍了其应用背景，并通过MATLAB编程仿真了它们的性能，分析了各自的优缺点、算法思想的特点以及问题所在。
针对装箱问题的算法，论文讲述了网络选择算法的建模过程，仿真了FF系列算法的两类变形改进过程，并通过一个算法的两个分支解决办法引出网络选择算法的研究思路。
接下来的第三章，本文提出了一种新型的基于网络控制切换混合负载均衡的网络选择算法，以多属性决策为基础，自适应负载均衡为核心，动态灰色关联度分析为选择手段，为利用未来无线网络的异构性找到了一种合理的办法。
本文最后对全文进行了总结，并指出了今后的研究和发展方向。

The future of the wireless network system will inevitably contain a variety of wireless access technology, will become the heterogeneity of its main features. In complex, heterogeneous wireless networks, continued to provide users with optimal service, so far still not a perfect solution. How to make full use of the heterogeneity of the network used by the users, network selection is the starting point and destination.
The main work is heterogeneous wireless network environment for the network algorithm, can be summed up in this paper, the main contents include the following:
First of all, clarify the future wireless heterogeneous environments and against the fundamental characteristics of these features formed by a number of key technologies.
Then, the network explained in detail the issue of Origin selection, choice of network technology categories.
For multi-attribute decision-making algorithm category, papers on such algorithms inside representative AHP & GRA, ELECTRE, SAW, MEW, TOPSIS, Maxmin, the six principles of the algorithm, introduced his background, and through MATLAB simulation programming Their performance of their respective advantages and disadvantages, algorithms and thinking of the characteristics of the problem.
For packing the algorithm, papers on the network selection process algorithm modeling, simulation of the FF series of algorithms to improve the process of the two types of deformation and, through an algorithm for the solution to the two branches arising from the research network algorithm ideas.
The next chapter III, the paper puts forward a new web-based control switch mixed network load balancing algorithm to multi-attribute decision-making based, adaptive load balancing as the core, dynamic Grey Correlation Analysis for the choice of means, for the use of The future of the wireless network heterogeneity found a reasonable way.
Finally, a summary of the full text, and pointed out the future direction of research and development.

Abstract
The future of the wireless network system will inevitably contain a variety of wireless access technology, will become the heterogeneity of its main features. In complex, heterogeneous wireless networks, continued to provide users with optimal service, so far still not a perfect solution. How to make full use of the heterogeneity of the network used by the users, network selection is the starting point and destination.
The main work is heterogeneous wireless network environment for the network algorithm, can be summed up in this paper, the main contents include the following:
First of all, clarify the future wireless heterogeneous environments and against the fundamental characteristics of these features formed by a number of key technologies.
Then, the network explained in detail the issue of Origin selection, choice of network technology categories.
For multi-attribute decision-making algorithm category, papers on such algorithms inside representative AHP & GRA, ELECTRE, SAW, MEW, TOPSIS, Maxmin, the six principles of the algorithm, introduced his background, and through MATLAB simulation programming Their performance of their respective advantages and disadvantages, algorithms and thinking of the characteristics of the problem.
For packing the algorithm, papers on the network selection process algorithm modeling, simulation of the FF series of algorithms to improve the process of the two types of deformation and, through an algorithm for the solution to the two branches arising from the research network algorithm ideas.
The next chapter III, the paper puts forward a new web-based control switch mixed network load balancing algorithm to multi-attribute decision-making based, adaptive load balancing as the core, dynamic Grey Correlation Analysis for the choice of means, for the use of The future of the wireless network heterogeneity found a reasonable way.
Finally, a summary of the full text, and pointed out the future direction of research and development.

Not the system of nets inevitable contains many kinds of turning on techniques, isomerism becomes its chief feature. In the duplicate heterogeneous network, with provides holds the most superior clothing, until now stopped still had perfect Xie Tu. How to use using net's isomerism to use fully, is the net and sleeps. the this article's prime task is under the heterogeneous network boundary net algorithm, gets up, this article studies mainly accommodates including the following several aspects: first, does not understand some techniques which isomerism boundary's base Bent as well as form especially. then, has solved the net by, net technique minute. the multi-plan's algorithm, the article states inside the algorithm has representative AHP&GRA, ELECTRE, SAW, MEW, TOPSIS, Maxmin in 6 algorithm principles, lay between it to use the background, and passed the MATLAB regulation simulation its performance, analyzed respective has lacked, the algorithm thought superiorly especially as well as is. the box's algorithm, Wen Shu the net algorithm's modelling regulation, the simulation FF series algorithm's shape changed the regulation, and passes an algorithm the branch solution to draw out the net algorithm the research mentality. receives the third chapter, this article proposed one kind new cuts the mix balanced network algorithm based on the net control, by the multi-plan base, from the suitable balanced core, the ash chromaticity analysis method, used net's isomerism not to find one kind of reasonable law. the this article final full text has been good, and has pointed out present's research and the exhibition direction.

The future of the wireless network system will inevitably contain a variety of wireless access technology, will become the heterogeneity of its main features. In complex, heterogeneous wireless networks, continued to provide users with optimal service, so far still not a perfect solution. How to make full use of the heterogeneity of the network used by the users, network selection is the starting point and destination.
This paper is the major work environment for heterogeneous wireless network under the network algorithm, can be summed up in this paper, the main contents include the following:
First of all, clarify the future wireless heterogeneous environments and against the fundamental characteristics of these features formed by a number of key technologies.
Then, the network explained in detail the issue of Origin selection, choice of network technology categories.
For multi-attribute decision-making algorithm category, papers on such algorithms inside representative AHP & GRA, ELECTRE, SAW, MEW, TOPSIS, Maxmin, the six principles of the algorithm, introduced his background, and through MATLAB simulation programming Their performance of their respective advantages and disadvantages, algorithms and thinking of the characteristics of the problem.
For packing the algorithm, papers on the network selection process algorithm modeling, simulation of the FF series of algorithms to improve the process of the two types of deformation and, through an algorithm for the solution to the two branches arising from the research network algorithm ideas.
The next chapter III, the paper puts forward a new web-based control switch mixed network load balancing algorithm to multi-attribute decision-making based, adaptive load balancing as the core, dynamic Grey Correlation Analysis for the choice of means, for the use of The future of the wireless network heterogeneity found a reasonable way.

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