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Multi-carrier aggregated auxiliary carrier management method and base station

A multi-carrier aggregation and management method technology, applied in the auxiliary carrier management method of multi-carrier aggregation and the field of base stations, to achieve the effects of saving power consumption, avoiding waste of wireless resources, and saving wireless resources

Active Publication Date: 2018-05-11
ZTE CORP
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  • Abstract
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  • Application Information

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Problems solved by technology

[0004] In order to overcome the above-mentioned defects of the prior art, the technical problem to be solved by the present invention is to provide a secondary carrier management method and base station for multi-carrier aggregation, so as to solve the problem of UE saving radio resources under multi-carrier

Method used

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  • Multi-carrier aggregated auxiliary carrier management method and base station
  • Multi-carrier aggregated auxiliary carrier management method and base station

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specific Embodiment

[0075] Give a specific example. A secondary carrier management method for multi-carrier aggregation, used for a primary carrier, the method comprising the following steps:

[0076] Step 1: The user equipment measures the configuration of the primary carrier and the channel quality information of each secondary carrier.

[0077] Before step 1 is performed, it is necessary to configure a secondary carrier and a measurement pilot for the UE in the communication system. The measurement pilot may be a cell reference signal (CRS, Channel-Reference Signal).

[0078] The UE measures the channel quality of each secondary carrier separately through the measurement pilot. Specifically, the SINR (Signal to Interference plus Noise Ratio, Signal to Interference plus Noise Ratio) can be obtained through the CRS, and then the CQI information is calculated through the UE side, and then the CQI The information is fed back to the main carrier.

[0079] It should be noted that it is an existin...

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Abstract

The invention discloses a multi-carrier aggregated auxiliary carrier management method and base station. The problem that the UE saves the wireless resource under multi-carrier is solved. The method comprises the following steps: receiving channel quality information of each auxiliary carrier reported by the UE, and the current available physical resource block resource information sent by each auxiliary carrier; determining the priority of each auxiliary carrier according to the channel quality information and the current available physical resource block resource information; taking the corresponding auxiliary carrier with the priority greater than the preset threshold value as the inactivated set; when a set amplitude carrier activation condition is satisfied, activating the auxiliary carrier with the maximum priority from the inactivated set.

Description

technical field [0001] The present invention relates to the field of communication technologies, in particular to a method for managing auxiliary carriers of multi-carrier aggregation and a base station. Background technique [0002] In order to improve the average throughput of the system and solve the contradiction between the increasing user data rate requirements and the limited data rate provided by the existing network for each user (UE, User Equipment), the Advanced Long Term Evolution System (LTE-Advance , Long Term Evolution Advance) introduced carrier aggregation technology (CA, CarrierAggregation), and launched extensive discussions. [0003] Among the CA solutions currently being discussed, the auxiliary carrier management technologies are mainly divided into two categories: activation management solutions and configuration management solutions. Wherein, the configuration management scheme implements the CA's auxiliary carrier resource configuration and deconfig...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W72/04H04W72/08H04W72/10H04W72/54
CPCH04W72/0453H04W72/542H04W72/56Y02D30/70
Inventor 李萌辉申新乐詹俊鹏李猛李贝贝
Owner ZTE CORP
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