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Load control method, system and device

A technology of load control and load status, applied in the field of communication, can solve the problems of high component carrier load, unbalanced component carrier load, and shortage of component carrier resources.

Active Publication Date: 2010-11-10
DATANG MOBILE COMM EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, if all LTE Release 8 terminals reside on a certain component carrier in the carrier aggregation system, the load on the component carrier will be too high, which will lead to resource shortage of the component carrier, while other component carriers The load on the carrier is light and the resource utilization is poor, so the overall performance of the system is poor
[0004] To sum up, there is a problem of unbalanced load of component carriers in the existing carrier aggregation system

Method used

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  • Load control method, system and device
  • Load control method, system and device
  • Load control method, system and device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0072] Embodiment 1: The network side indicates the load status information of all component carriers in the broadcast information of each component carrier.

[0073] The broadcast channel on all component carriers broadcasts the load information on all component carriers. During the initial cell search process, after a terminal finds a component carrier, it reads the content in the broadcast channel of the component carrier to obtain the load of each component carrier. After the status information is obtained, the load status information of each component carrier is integrated to consider whether to camp on the component carrier. The operation of the base station and the terminal is given below to illustrate the process of the terminal from initial cell search to camping on the component carrier:

[0074] Base station side: The base station generates a corresponding load level according to the load on each component carrier in the current carrier aggregation system, and trans...

Embodiment 2

[0077] Embodiment 2: The network side only indicates the load status information of the component carrier in the broadcast information of each component carrier.

[0078] In the broadcast information of each component carrier, only the load information of the current component carrier is added, such as a load level, which directly determines the probability that the user terminal can camp on the component carrier, that is, the load level corresponds to the camping For the threshold value, the user terminal randomly generates a random number, and compares the random number with the camping threshold value corresponding to the load level of the component carrier, so as to determine whether the user terminal can camp on the component carrier. The operation of the base station and the terminal is given below to illustrate the process of the terminal from initial cell search to camping on the component carrier:

[0079] Base station side: The base station sets a camping probability...

Embodiment 3

[0081] Embodiment 3: The network side indicates in the broadcast information of each component carrier the load status information of the component carrier and the information of the component carrier recommended to camp on.

[0082] The load level directly determines the probability that the user terminal can camp on the component carrier, that is, the camping threshold value corresponding to the load level one-to-one. The user terminal randomly generates a random number, and the random number corresponds to the load level of the component carrier. The camping threshold value is compared to determine whether the user terminal can camp on the component carrier. Moreover, the base station integrates the load status of each component carrier, and configures frequency band information of a component carrier recommended to camp on on different component carriers. The operation of the base station and the terminal is given below to illustrate the process of the terminal from initia...

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Abstract

The invention discloses a load control method, a system and a device which are used for realizing the load balance of each member carrier in a carrier aggregation system. The load control method comprises the steps that the network side detects the carrier state of each member carrier in the current carrier aggregation system and generates the load state information of each member carrier in the current carrier aggregation system; and the network side sends the load state information of each member carrier in the current carrier aggregation system to a terminal, and the load state information is used for indicating the member carrier selected to be resided by the terminal and is resided on the member carrier.

Description

technical field [0001] The present invention relates to the technical field of communication, and in particular to a load control method, system and device. Background technique [0002] In order to support a wider system bandwidth than the Long Term Evolution (LTE) system, such as 100 megahertz (MHz), an Advanced Long Term Evolution (LTE-A, LTE-Advanced) system is proposed in the prior art. In the LTE-A system, The resources of multiple LTE carriers (each LTE carrier can be called a component carrier) are connected (that is, carrier aggregation) to form a carrier aggregation system, thereby realizing support for wider system bandwidth. There are two specific carrier aggregation methods: Types: one is to aggregate multiple continuous LTE carriers; the other is to aggregate multiple discontinuous LTE carriers. [0003] Currently, each carrier in the carrier aggregation system is required to be as consistent as possible with LTE Release 8 (Release 8), so as to ensure that LTE...

Claims

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Application Information

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IPC IPC(8): H04W28/08H04W72/04
Inventor 杨鼎成潘学明肖国军王立波
Owner DATANG MOBILE COMM EQUIP CO LTD
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