Multi-service Iterative Resource Allocation Method in Interference Triangular Lattice
A technology of triangular lattice and resource allocation, which is applied in transmission path sub-channel allocation, multi-frequency code system, multiple use of transmission path, etc. It can solve the problems of inconsistent distribution status and low overall performance of resource allocation algorithm.
Inactive Publication Date: 2017-08-11
BEIJING INSTITUTE OF TECHNOLOGYGY
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Problems solved by technology
[0007] The purpose of the present invention is to solve the problem that the traditional base station model does not match the distribution of the actual base station and the overall performance of the existing resource allocation algorithm is not high. Service resource allocation technology, which unifies the evaluation methods of different services and efficiently allocates limited wireless resources
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[0094] In order to make the objectives, technical solutions and advantages of the present invention clearer, the embodiments of the present invention will be described in detail below. This embodiment is guided by the technical solution of the present invention to conduct actual practice verification, and at the same time provides detailed implementation methods and specific operation procedures, but the scope of protection of the present invention is not limited to the following examples.
[0095] Such as Figure 8 Shown is the schematic flow sheet of the inventive method, it is described in detail below in conjunction with specific embodiment:
[0096] Step 1. Build a base station model
[0097] In the traditional triangular lattice structure (such as figure 2 , the distance between the base stations is n=500m) on the basis, the interference triangular lattice topology structure designed by the present invention is realized once, and the position of the simulation system b...
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The invention relates to a multi-service iterative resource allocation method in an interference triangular lattice, belonging to the technical field of wireless communication; comprising the following steps: 1. Establishing an interference triangular lattice model; 2. Initializing system parameters, and using the interference triangle described in step 1 The lattice model simulates the location of the base station; 3. Calculate the user i's MOSi value according to the transmission rate Ri of user i; 4. Establish an optimization model and use an iterative algorithm to solve the optimization model, and then allocate resources according to the solution result. Compared with the traditional base station model, the interference triangular lattice structure proposed by the method of the present invention is closer to the distribution of the actual base station, so it can more realistically simulate the position of the base station in the actual situation, thereby simulating more realistic path fading, signal arrival Gain and other information, using the above-mentioned iterative resource allocation method to allocate resources reasonably on this structure can better meet actual needs.
Description
technical field [0001] The invention relates to a multi-service iterative resource allocation method in an interference triangular lattice, and belongs to the technical field of wireless communication. [0002] technical background [0003] In recent years, people's demand for wireless data services has exploded. Handheld devices are not only used to make and receive calls, but also provide more important wireless services such as online video, file download, and voice access. The traffic demands of these new services are also very different. It should be noted that since 2012, mobile video traffic has accounted for more than 50%, which has further increased the pressure on wireless data traffic transmission. Therefore, how to efficiently Making full use of limited wireless resources has become a formidable task. [0004] At present, there are already many research results on resource allocation algorithms, some of which involve multimedia services. In the traditional tech...
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IPC IPC(8): H04L5/00H04L27/26H04W72/04
CPCH04L5/003H04L27/2601H04W72/27
Inventor 费泽松高强刘一帆邢成文
Owner BEIJING INSTITUTE OF TECHNOLOGYGY