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Optimizing method for wireless ubiquitous heterogeneous network resources

A resource optimization and heterogeneous network technology, applied in wireless communication, electrical components, etc., can solve problems such as not considering the utilization rate of wireless resources, and assigning channels that cannot meet business QoS requirements

Active Publication Date: 2013-03-20
NANJING UNIV OF POSTS & TELECOMM
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Problems solved by technology

However, these methods do not take into account the loss of wireless resource utilization during channel transmission, which may cause the allocated channel to fail to meet the service QoS requirements

Method used

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  • Optimizing method for wireless ubiquitous heterogeneous network resources
  • Optimizing method for wireless ubiquitous heterogeneous network resources
  • Optimizing method for wireless ubiquitous heterogeneous network resources

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Embodiment Construction

[0061] In order to describe the wireless ubiquitous heterogeneous network resource optimization method proposed by the present invention in more detail, with reference to the accompanying drawings, an example is given as follows:

[0062] Such as figure 1 As shown, a model of an AP access point in the coverage area of ​​a cellular network base station. Among them, A1 is the overlapping coverage of the WLAN and the cellular network, and A2 is the coverage of the cellular network. The devices in A1 can access both the cellular network and WLAN, while the devices in A2 can only access the cellular network. Assume that the multi-mode terminals in the A1 area are divided into two types according to the business: the real-time service terminal and the non-real-time service terminal, and the numbers are N respectively. 1 ,N 2 , the number of terminals completing real-time business and non-real-time business in A2 area is N respectively 3 ,N 4 , the available bandwidth of the two...

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Abstract

The invention provides an optimization method for wireless ubiquitous heterogeneous network resources, which comprises the steps that a heterogeneous network resource optimization model is constructed; information channels are allocated by a non-cooperation game theory method; utility functions of various terminal devices are established; a heterogeneous network resource optimization formula is decomposed by a lagrangian function method; optimization methods for throughputs of various networks are solved respectively; and a band width number to be allocated is obtained according to a relation between the throughputs and band widths. With the adoption of the method, the corresponding band widths are provided for different terminals at any time according to changing of the information channels, the network access equity and the maximum band width utilization ratio are ensured, band width allocation of the different terminals are optimized on the premise that the changing of the information channels is taken into full consideration, and the optimized utilization of the wireless resources of a heterogeneous network is realized.

Description

technical field [0001] The invention belongs to the technical field of mobile communication, and specifically refers to a method for optimizing wireless ubiquitous heterogeneous network resources. Background technique [0002] The wireless ubiquitous network is a network that integrates different network technologies to realize communication between any person and thing at any time and place. Heterogeneous network integration realizes interconnection among various wireless communication networks, seamless data connection and transparency to users, and then meets users' increasing wireless needs and brings users unprecedented service experience. In recent years, it has attracted widespread attention. focus on. However, due to the preciousness of wireless spectrum resources, how to allocate resources under the condition of ensuring user QoE has become an urgent problem to be solved after heterogeneous network integration. Resource optimization refers to making full use of th...

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Application Information

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IPC IPC(8): H04W24/02H04W72/04
Inventor 张晖赵远林杨龙祥朱洪波
Owner NANJING UNIV OF POSTS & TELECOMM
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