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Event trigger based load information reporting method in mobile load balance
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A technology of mobile load balancing and load information, applied in electrical components, wireless communication, network traffic/resource management, etc., can solve problems such as lack of flexibility, failure to consider load status, and inability to perform load reporting, etc., to reduce signaling overhead , the effect of improving performance
Inactive Publication Date: 2013-09-25
UNIV OF SCI & TECH OF CHINA
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However, because the setting of the trigger threshold does not take into account the load status in other reporting cells, the mechanism is inflexible, and there is still the problem that some cells have available load but have not reached the set trigger threshold, so the load report cannot be performed
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Embodiment 1
[0033] This embodiment is to apply the event-triggered load information reporting method in the mobile load balancing of the present invention to the situation when adjacent cells are heavily loaded, using 4 cells and two access technologies, wherein cell a uses the access technology RAT-A, Cells b, c, and d adopt access technology RAT-B, cell a is used as the requesting cell, cells b, c, and d are used as reporting cells, and are stored in the neighbor cell list of cell a as neighbor cells, and all cells are in the three Event A has already been triggered in the mechanism.
[0034] figure 1 The flow chart of the event-triggered load information reporting method in the mobile load balancing of the present invention is given:
[0035]The start module I represents that the load reporting method of the present invention begins, and first requests the cell judgment module II to judge whether this operation is the first load balancing operation: if it is the first operation, the i...
Embodiment 2
[0049] This embodiment is applied to the case of light load in adjacent cells, using 8 cells and two access technologies, wherein cell e access technology RAT-A, cell f, g, h, i, j, k, l access technology RAT -B, cell e is used as the requesting cell, and cells f, g, h, i, j, k, and l are used as reporting cells, and are stored in the neighbor cell list of cell e as neighbor cells. In this embodiment, two load balancing operations are required. In the two load balancing operations, it is assumed that the loads of all cells remain unchanged, and all cells do not trigger the trigger threshold event A that is too high in the three mechanisms.
[0050] In order to illustrate the impact of different mechanisms on the load balancing effect, Table 2 shows the results of the mobile load balancing operation using the method of the present invention and other reporting mechanisms in Embodiment 2.
[0051] Mechanism 1 is the triggering threshold mechanism for the operation, management an...
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Abstract
The invention discloses an event trigger based load information reporting method in mobile load balance among different access technologies. The load information reporting method is characterized in that a trigger threshold in a trigger condition of a low-trigger threshold event B is configured into an overload threshold through an operation, management and maintenance entity of a current cell, and a trigger threshold in a trigger condition of a high-trigger threshold event A is determined by the sum of the overload threshold and a slippage factor. Because the slippage factor is introduced in the trigger threshold, the method ensures that the event trigger threshold can be dynamically regulated according to an overload condition of a request cell and a load condition of a reporting cell, thereby improving property of the mobile load balancing, and reducing signaling overhead brought by load reporting information interaction in the network.
Description
technical field [0001] The present invention belongs to the mobile load balancing (Inter-RAT Mobility Load Balancing, hereinafter referred to as Inter-RAT MLB) technology among different access technologies in the fourth-generation mobile communication system Advanced Long Term Evolution-Advanced (hereinafter referred to as LTE-Advanced) field, especially related to the load information reporting method based on event triggering. Background technique [0002] "On Mobility Load Balancing for LTESystems" in Vehicular Technology Conference.VTC 2010-Fall.IEEE proposed that in the fourth generation mobile communication system, Mobile Load Balancing (MLB) Mainly through the exchange of cell load information between cells with different load conditions, the partial load of high-load cells is transferred to low-load cells by handover to achieve the purpose of balancing the load between cells, thereby improving the utilization of wireless resources and optimizing network performance....
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