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Path selection method for multi-hop cellular network of fixed relay

A path selection and cellular network technology, applied in advanced technology, electrical components, climate sustainability, etc., can solve problems such as ignoring user experience quality, reduce average packet delay, optimize network performance, and improve system throughput Effect

Inactive Publication Date: 2013-08-07
XIHUA UNIV
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Problems solved by technology

The data show that the above-mentioned methods all have a common problem: they generally establish a single-objective decision-making model from the perspective of the network side to optimize network performance or meet the service quality of different services, while ignoring the user experience quality that the user side is very concerned about ( QoE)

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  • Path selection method for multi-hop cellular network of fixed relay
  • Path selection method for multi-hop cellular network of fixed relay
  • Path selection method for multi-hop cellular network of fixed relay

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Embodiment Construction

[0015] The present invention will be described in detail below in conjunction with the accompanying drawings.

[0016] as attached figure 1 As shown, a typical fixed-relay multi-hop cellular network consists of three basic network elements: base station (BS), relay station (RS) and mobile station (MS). In addition to communicating directly with the base station, the mobile station can also The relay station establishes a multi-hop relay connection with the base station for communication.

[0017] The inventive method carries out according to the following steps:

[0018] Step 1: Initialize parameters;

[0019] Set network parameters, such as: the number and distribution of mobile stations, the maximum number of relay hops from the mobile station to the base station, the service type of the mobile station, and the value range of QoS parameters.

[0020] Step 2: judging whether the mobile station satisfies the local forwarding strategy, and if so, selects the local shortcut t...

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Abstract

The invention provides a path selection method for a multi-hop cellular network of a fixed relay. The method comprises the following steps of judging whether a mobile station satisfies a local forwarding strategy or not; if so, selecting a local shortcut transmission path; otherwise, establishing a mapping relation between quality of experience (QoE) and a Quality of Service (QoS) parameter by using a matter element analysis model of an extension theory under the consideration of the QoE; constructing a QoE evaluation level target function of a candidate path P; meanwhile, establishing a network channel capacity target function on the basis of the optimization of network performance; and resolving by using a Nash bargain axiom by taking the QoE evaluation level target function and the network channel capacity target function as players in a cooperative game model to obtain an optimal transmission path. A multi-target path selection method in which the network performance can be optimized and the QoE of a user is fully considered is adopted, so that the average data packet delay is reduced while higher QoE of the user is ensured, and the system throughput rate is increased.

Description

technical field [0001] The invention relates to the field of multi-hop cellular networks with fixed relays, in particular to a path selection method for multi-hop cellular networks with fixed relays. Background technique [0002] In recent years, with the rapid development of wireless mobile communication technology, the third-generation mobile communication system has been widely used, and the fourth-generation mobile communication system has gradually become a hot spot in the academic and industrial circles. The fourth-generation mobile communication system is a complex of various communication systems, which is composed of various access networks and can support seamless communication of various services. Under such a communication system framework, the multi-hop cellular network will become an important form of the network framework due to its unique flexibility and scalability. The so-called multi-hop cellular network is the integration of cellular network and self-org...

Claims

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Application Information

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IPC IPC(8): H04W40/02
CPCY02D30/70
Inventor 刘兴伟杨桃黄渊贺艳黄弘徐浩
Owner XIHUA UNIV
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