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Cell switching method, terminal equipment, base station equipment and communication system

A terminal equipment, cell handover technology, applied in the field of communication, can solve the problems affecting the cell handover speed and efficiency, and achieve the effect of improving the speed and efficiency

Active Publication Date: 2012-08-29
HONOR DEVICE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this way, the UE must wait for the result of random access on the PCell before continuing to operate, which affects the speed and efficiency of cell handover

Method used

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  • Cell switching method, terminal equipment, base station equipment and communication system
  • Cell switching method, terminal equipment, base station equipment and communication system
  • Cell switching method, terminal equipment, base station equipment and communication system

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Embodiment Construction

[0039] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0040] In the embodiment of the present invention, when random access is successfully performed on the secondary cell but not yet successfully performed on the primary cell, non-security-related information is transmitted to the target base station through the secondary cell without waiting for the access result of the primary cell, thereby improving The speed and efficiency of cell switching are improved. The non-safety-related information may be info...

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PUM

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Abstract

The embodiment of the invention provides a cell switching method, terminal equipment, base station equipment and a communication system. The method comprises the steps of: executing random access on a main cell and a sub-cell determined by a target base station; and transmitting non-safety-related information to the target base station through the sub-cell when random access executed on the sub-cell is successful but random access executed on the main cell is unsuccessful. According to the embodiment of the invention, the non-safety-related information is transmitted to the target base station through the sub-cell when the random access executed on the sub-cell is successful but the random access executed on the main cell is unsuccessful without waiting for an accessing result on the main cell so as to improve the cell switching speed and efficiency.

Description

technical field [0001] The embodiments of the present invention relate to the technical field of communications, and more specifically, to a cell handover method, a terminal device, a base station device, and a communication system. Background technique [0002] In order to meet the requirements of IMT-Advanced (International Mobile Telecom-Advanced; Enhanced International Mobile Communications) and support a peak data rate of up to 1Gbit / s, 3GPP (3rdGeneration Partnership Project; Third Generation Partnership Project) LTE-ADVANCED (Long TermEvolution- ADVANCED (Enhanced Long Term Evolution System) system has agreed to use Carrier Aggregation (Carrier Aggregation; CA) technology as its method for expanding system bandwidth. The main idea of ​​carrier aggregation is to aggregate multiple component carriers (Component Carriers; CCs) into a carrier higher than 20 MHz to support high-speed data rates. For example, the downlink bandwidth can be aggregated by five 20MHz carriers....

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W36/08H04W74/08
Inventor 常俊仁李亚娟
Owner HONOR DEVICE CO LTD
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