Planning method and system for community resources
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A resource planning and cell technology, applied in network planning, electrical components, wireless communication, etc., and can solve problems such as interference
Active Publication Date: 2012-07-18
DATANG MOBILE COMM EQUIP CO LTD
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[0011] This application provides a cell resource planning method and system to solve t
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example 1
[0146] refer to image 3 As shown, it is a flow chart of calculating the interference weight in the embodiment of the present application.
[0147] In this embodiment, the number of grid points with strong interference is taken as an example for statistics. The number of strong interference grid points is mainly used to measure the interference intensity between two cells. The more the number of strong interference grid points, the stronger the interference between cells.
[0148] Define the useful receiving power of the current grid as C, and the interference power of other grids to the current grid as I, then the statistical steps of the number of strong interference grid points are as follows:
[0149] Step 301, dividing each cell into grids, traversing the grids of all cells, and calculating the useful received power C and the belonging cell of each grid;
[0150] That is, the network topology is divided into grids with a certain precision, and a cell can be divided into...
example 2
[0163] Example 2 Calculate the interference weight in the form of scoring, the steps are as follows:
[0164] The first step is to divide the cell into grids with a certain precision, traverse each grid point, and calculate the interference power of its interference grid;
[0165] In the second step, for each grid, the range of interference power of all interference grids of the current grid is counted, which is recorded as interval [a, b], and this interval is evenly divided into n intervals (the division method is not necessarily uniform, Other methods can also be used, n can be configured), and the n intervals are scored separately, recorded as [score1, score2, ..., scoren] (the scoring standard can be determined according to requirements); in short, the interval with strong interference The score is high;
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Abstract
The invention provides a planning method and a planning system for community resources, aiming at solving the problem of avoiding the interference among communities as much as possible in the resource plan. The method comprises: aiming at the communities needing planning, calculating the interference weight of the interference communities of the community to each community; sequencing the communities needing planning according to the interference weight so as to obtain an interference community queue; and looking through all the communities in the interference community queue and selecting the community group according to an interference price, wherein the interference price and the interference weight are related to the sequence of the communities. According to the planning method and the planning system, the interference among communities is comprehensively taken into consider, therefore, the interference problem of adjacent communities is avoided, and the interference of the channels of a CRS (Central Reservation System) among the communities is effectively avoided, thereby optimizing the performance of a distributed system.
Description
technical field [0001] The present application relates to the technical field of mobile communication, in particular to a cell resource planning method and system. Background technique [0002] In a mobile communication network, planning of network resources, such as planning of a Physical Cell ID (PCI, Physical Cell ID), planning of a cell frequency, etc., is very important in networking configuration. [0003] Taking the LTE (Long Term Evolution, Long Term Evolution) network as an example, PCI is closely related to the code resource configuration and resource mapping position of each physical channel and reference signal, so PCI planning is very important in LTE network configuration. In the physical layer structure, the PCI of each cell corresponds to a combination of an orthogonal sequence and a pseudo-random sequence. The LTE protocol specification defines a total of 504 PCIs (that is, 504 different combinations), which means that different cells must reuse the same PC...
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