Method for determining user distribution in mobile communication simulation system
A technology of simulation system and mobile communication, which is applied in transmission system, wireless communication, transmission monitoring, etc. It can solve problems such as no given algorithm, no given distribution characteristics of users with different traffic volumes, etc., and achieve randomness and unbiasedness performance, accurate modeling, and low computational complexity
Inactive Publication Date: 2011-08-10
ZTE CORP
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[0006] The international patent application with the publication number WO03094538A2 discloses an application document entitled "METHODS, APPARATUS, AND SYSTEMS FOR SIMULATION OF MIXED TRAFFIC IN AWIRELESS NETWORK", the technical solution is to use the traditional traffic matrix method to generate random terminals, but does not It does not give how to describe the distribution characteristics of users with different traffic volumes, nor does it give an algorithm for quickly generating random terminals that satisfy the Poisson distribution
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[0025] The core idea of the present invention is: by classifying the users, and setting the distribution weights of the users according to the different features in the set simulation area, a traffic distribution map is generated; according to the traffic distribution map, the set Users in the area perform estimation and output a snapshot of traffic distribution. This method can ensure that the number of random terminals in the user traffic distribution snapshot satisfies the Poisson distribution, and the spatial distribution satisfies randomness and unbiasedness. It can conveniently and accurately model the user distribution of the actual network, and reduces the Computational complexity. The present invention will be described in detail below in conjunction with the accompanying drawings.
[0026] figure 1 It is a flow chart of the method for determining user distribution in the mobile communication simulation system of the present invention, such as figure 1 As shown, ...
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The invention discloses a method for determining subscriber distribution in mobile communication emulate system, relates to a determining technique of emulating subscriber distribution, which is provided for solving the problem that subscriber distribution is determined inaccurately. The invention adopts the proposal of classifying subscribers, setting average traffic for each kind of subscriber and different distribution weight in setting area, including: A. average traffic for each kind of subscriber in unit area is calculated according to the number of each kind of subscriber and distribution weight; B. according to Poisson distribution algorithm, the number of each kind of subscriber in each unit area is determined by the average traffic calculated from step A. The invention builds model for practical network subscriber conveniently and accurately, reduces computation complexity.
Description
technical field [0001] The invention relates to mobile communication simulation technology, in particular to a method for determining user distribution in a mobile communication simulation system. Background technique [0002] Simulating the actual network through the wireless network simulation system is an effective means to improve network planning, optimize quality and efficiency. In wireless network simulation, the method of user distribution directly affects the network load and has an important impact on the accuracy of simulation. [0003] The user distribution method has two important output results: user distribution map and traffic distribution snapshot at a certain moment. The user distribution map must accurately reflect the characteristics of user distribution in the actual network. The traffic distribution snapshot at a certain moment is generated according to the user distribution map. In terms of statistical characteristics, the number of random terminals ...
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IPC IPC(8): H04W16/22H04W24/06H04B17/391
Inventor 欧阳俊吴峰李晟薛傲
Owner ZTE CORP