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Load balancing method and device

A load balancing and load balancing technology, applied in the field of communication, can solve the problems of high load balancing processing overhead and unreasonable load status judgment.

Active Publication Date: 2017-09-01
COMBA TELECOM SYST CHINA LTD
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  • Summary
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  • Claims
  • Application Information

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Problems solved by technology

[0006] The present invention provides a load balancing method and device, which are used to solve the problems of unreasonable system load state judgment and large load balancing processing overhead in the prior art

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specific Embodiment ( 1

[0101] figure 2 A schematic diagram of a communication system load status provided by an embodiment of the present invention, such as figure 2 As shown, the communication system includes three carriers: f1, f2 and f3.

[0102] When judging the system load status of this communication system, first calculate the mean value of the loads of f1, f2 and f3 as the mean value of the system load, and the calculation result is shown in the dotted line in the figure; after that, judge the mean value of the system load and find that it is greater than the first threshold, it is necessary to further calculate the load balance degree of each carrier, the load balance degree of f1 is σ1, the load balance degree of f2 is σ2, and the load balance degree of f3 is σ3; after that, σ1, σ2 and σ3 are judged respectively, and it is found that The load balancing degree of f1 exceeds the second threshold, figure 2 The dotted line with two dots in represents the product of the second threshold an...

specific Embodiment ( 2

[0104] When performing load balancing processing on a carrier whose load is greater than the third threshold, the specific implementation process is as follows: image 3 as shown, image 3 A schematic diagram of load cut-off is provided for the embodiment of the present invention, such as image 3 shown, including the following steps:

[0105] S301: Start a process of cutting out the carrier;

[0106] S302: Confirm the terminal with the lowest priority among the terminals that have not been screened as the UE to be switched out;

[0107] S303: Update the total load of the carrier according to the load of the confirmed handed-out UE

[0108] S304: Confirm the load of the UE to be switched out

[0109] S305: Determine the load of the UE to be switched out Whether formula one is satisfied; if yes, execute step S306; if not, execute step S308;

[0110] S306: Determine whether there is a cut-in carrier meeting the cut-in condition; if yes, execute step S307; if not, exec...

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Abstract

The invention discloses a load balancing method and device, aiming at solving the problem that the judgment of system load states is unreasonable and the overhead of load balancing processing is large. The method comprises the following steps: acquiring the load capacity of each carrier under a base station, wherein the load capacity is carried by the carriers and is generated by terminal UE without using a carrier aggregation function; determining a mean value of system loads; when the mean value of the system loads is greater than a first threshold, determining the load balancing degree of each carrier according to the load capacity of each carrier and the mean value of the system loads; and if the carrier of which the load balancing degree is greater than a second threshold exists, performing load balancing processing. According to the scheme, the interference of the load generated by the UE that adopts the real-timely changed carrier aggregation function on the judgment of the system load states can be avoided, and thus the reasonableness of the judgment of the system load states can be improved. In addition, the load balancing processing is not required under low system loads, and the phenomenon of frequently triggering the load balancing processing can also be avoided, and thus the processing overhead can be reduced.

Description

technical field [0001] The present invention relates to the technical field of communications, in particular to a load balancing method and device. Background technique [0002] After the 3rd Generation Partnership Project (3rd Generation Partnership Project, 3GPP) specification initially defined the Long Term Evolution (LTE) function, in order to provide a higher data transmission rate, support more user services and new service types , 3GPP Long Term Evolution (LTE-Advanced) puts forward new functional requirements on the basis of LTE. Among them, how to meet the demand for greater bandwidth has become one of the most important considerations in the evolution from LTE to LTE-Advanced. This is because: limited by factors such as the history of communication development and the shortage of wireless spectrum It is discontinuous, and each single frequency band is difficult to meet the bandwidth requirements of LTE-Advanced. Therefore, the 3GPP organization proposes carrier a...

Claims

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Application Information

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IPC IPC(8): H04W28/08
CPCH04W28/082
Inventor 李俊林敏
Owner COMBA TELECOM SYST CHINA LTD
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