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Method and equipment for managing composition carrier

A technology for composing a carrier and a management method, applied in the directions of transmission monitoring, electrical components, transmission systems, etc., can solve the problems of inability to guarantee the use and the same, and achieve the effect of saving power consumption and reducing the random access process.

Active Publication Date: 2014-06-04
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] After carrier aggregation, a problem that needs to be studied is: when a UE (User Equipment, user equipment) uses multiple component carriers, it cannot be guaranteed that the same TA (Timing Advance, timing advance) will be used on these multiple component carriers that have been aggregated. advance amount)

Method used

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  • Method and equipment for managing composition carrier
  • Method and equipment for managing composition carrier
  • Method and equipment for managing composition carrier

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Embodiment Construction

[0032] In order to enable those skilled in the art to better understand the solutions of the embodiments of the present invention, the embodiments of the present invention will be further described in detail below in conjunction with the drawings and implementations.

[0033] The embodiment of the present invention constitutes a carrier management method and equipment, aiming at the situation that the same TA cannot be guaranteed to be used on multiple constituent carriers when there is a repeater device or RRU (Remote RF Unit, remote radio frequency unit) device in the system:

[0034] For example, if figure 2 As shown, the base station configures different component carriers on different repeaters, or the component carriers of different frequencies pass through different scattering paths. In this case, the TAs required by different constituent carriers are different.

[0035] Another example, such as image 3 As shown, in order to expand the coverage or enhance the system...

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Abstract

The embodiment of the invention discloses a method and equipment for managing a composition carrier. The method comprises the following steps of: receiving a common-frequency or pilot-frequency measurement report sent by UE (User Equipment), wherein downlink timing offset information of the measured composition carrier is carried in the measurement report; and determining the measured composition carrier as an increased, removed or replaced composition carrier of the UE according to the downlink timing offset information and signal quality of the composition carrier. By utilization of the method and the equipment which are disclosed by the embodiment of the invention, an eNB (evolution base station) is enabled to configure the suitable composition carrier for the UE, so that the unnecessary random access process is reduced.

Description

technical field [0001] The present invention relates to the technical field of wireless communication, in particular to a method and equipment for managing component carriers. Background technique [0002] Currently, in order to meet the requirements of IMT-A (International Mobile Telecommunications-Advanced, Advanced International Mobile Communications) and support higher data rates, the 3GPP (3rd Generation Partnership Project, Third Generation Partnership Project) LTE-A system incorporates CA (CarrierAggregation, Carrier aggregation) technology is used as a method to expand the system bandwidth. The main idea of ​​CA is to aggregate multiple component carriers into a carrier higher than 20MHz to support high-speed data transmission rates. Such as figure 1 As shown, the downlink bandwidth is formed by the aggregation of five 20MHz carriers. [0003] After carrier aggregation, a problem that needs to be studied is: when a UE (User Equipment, user equipment) uses multiple...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W24/00H04W24/10H04W68/00H04B17/00H04W72/00
Inventor 常俊仁李亚娟
Owner HUAWEI TECH CO LTD
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