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Load balancing method and base station

A load balancing and base station technology, applied in network traffic/resource management, electrical components, wireless communication, etc., can solve the problems of difficult handover failure and difficult to achieve cell load balancing, and achieve the effect of ensuring the success rate of handover and ensuring load balancing

Inactive Publication Date: 2016-02-10
POTEVIO INFORMATION TECH
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The main goal of the existing technical solutions is to ensure the success rate of handover of users as much as possible, but for the scenario of overlapping coverage of different frequencies, since the channel quality difference of users in overlapping cells is small, handover failure is not easy; in this case, the user is still given priority , it is possible that the target switching cell selected by the user is not the cell with the lightest load, so it is difficult to achieve load balance between cells

Method used

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  • Load balancing method and base station
  • Load balancing method and base station
  • Load balancing method and base station

Examples

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Embodiment Construction

[0021] The invention provides a method for selecting a target switching cell and a target migrating user in load balancing technology, so as to carry out load migration after overload and realize load balancing. Its main process is as follows:

[0022] When the serving cell detects that the load evaluation value reaches or exceeds the overload threshold, the load migration process is triggered. According to the load evaluation value reported by the neighbor cell, all the neighbor cells in the neighbor cell list are sorted according to the load, and the neighbor cell with the lightest load is preferentially selected as the target handover cell;

[0023] After selecting a target handover cell, select the corresponding target migration user from the list of accepted users in the serving cell according to certain principles; if the load of the serving cell is lower than the overload threshold after the selected target migration user is migrated out, the current process ends ; If ...

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Abstract

The invention provides a load balancing method and base station. The method comprises that when the load of a service cell is greater than or equivalent to a preset overload threshold, neighbor cells in a neighbor cell list are ordered in the sequence form low load capacity to high load capacity; the cell of the lowest load capacity is selected as a target switching cell preferentially; after the target switching cell is selected, target migrate users corresponding to the target switching cell are selected from an admission user list according to preset selection conditions; and the target switching cells and corresponding target migration users are selected one by one till the load of the service cell is lower than the overload threshold or all the neighbor cells in the neighbor cell list are selected as the target switching cells. Thus, the load balance between the cells is effectively ensured, and the success rate of switching the users to the target switching cell is guaranteed.

Description

technical field [0001] The invention relates to the technical field of load balancing, in particular to a method for realizing load balancing and a base station. Background technique [0002] In order to meet the coverage and capacity requirements, operators may use devices of different frequency bands to form a concentric circle network under the same site when deploying the network, such as figure 1 A schematic diagram of layered networking of different frequency bands is shown. Considering that the F-band has a strong coverage capability, it can be applied to continuous networking to ensure basic coverage, while the D-band can be used to absorb capacity in hotspot areas to achieve layered coverage. There may be an unbalanced load distribution state among hierarchically covered cells, causing some cells to be overloaded and affecting service quality; while the number of UEs in other cells is small so that radio resources are not fully utilized. Therefore, a load balancin...

Claims

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Application Information

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IPC IPC(8): H04W28/08H04W36/22
Inventor 李维娜
Owner POTEVIO INFORMATION TECH
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