Cell switching method and device in multi-carrier aggregation system

A technology of multi-carrier aggregation and cell handover, applied in electrical components, wireless communication and other directions, can solve the problem that the cell handover method is not suitable for the CA system, etc., to achieve good compatibility, ensure handover quality, and improve service transmission efficiency.

Active Publication Date: 2010-08-18
DATANG MOBILE COMM EQUIP CO LTD
View PDF0 Cites 17 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] The present invention provides a cell switching method and device in a CA system to

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Cell switching method and device in multi-carrier aggregation system
  • Cell switching method and device in multi-carrier aggregation system
  • Cell switching method and device in multi-carrier aggregation system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0035] In general, the cell handover method in the CA system provided by the present invention is that the source eNB carries the carrier information of the target cell during the handover process, so that the UE can handover to a suitable carrier of the target cell according to the carrier information.

[0036] Generally speaking, the inventive method comprises the following steps:

[0037] [1] Carry the identity of the target cell and the carrier list information of the target cell in the handover request message sent by the source eNB to the target eNB;

[0038] [2] Carry the target cell identity and target cell carrier list information in the handover request confirmation message sent by the target eNB to the source eNB;

[0039] [3] The source eNB sends a handover command message including the target cell identity and target cell carrier list information to the UE;

[0040] [4] Executing a process in which the UE is handed over to the target cell corresponding to the tar...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The invention discloses a cell switching method of a multi-carrier aggregation system, comprising the following steps that: a switching request message transmitted to a target NB by a source NB carries a target cell identification and target cell carrier list information; a switching request determination message transmitted to the source NB by the target NB carries the target cell identification and the target cell carrier list information; the source NB transmits a switching command message containing the target cell identification and the target cell carrier list information to UE; and the process of switching the UE to a target cell corresponding to the target cell identification can be executed, therefore, carrying the carrier information in the switching process, the invention can ensure that UE with different capabilities can be switched to a correct carrier, effectively improve the service transmission efficiency of an LTE-A system and effectively ensure the switching quality.

Description

technical field [0001] The present invention relates to the technical field of mobile communication, in particular to a cell switching method and device in a multi-carrier aggregation system. Background technique [0002] In some cases, for example, when the environment of the cell where the user equipment (User Equipment, UE) currently resides deteriorates, it is necessary to perform cell handover for the UE. This paper focuses on the cell handover scheme in the multi-carrier aggregation (CarrierAggregation, CA) communication system. The so-called CA refers to the collection of multiple continuous or discontinuous carriers in the same cell, and can serve UE at the same time when needed. , to provide the desired rate. CA is a technology introduced by the improved Long Time Evolution Advanced (LTE-A) system. The reason why LTE-A introduces CA is that the peak rate of LTE-A is greatly improved compared with LTE, and the downlink is required to reach 1Gbps. The uplink is 500M...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
IPC IPC(8): H04W36/08
Inventor 汪颖秦飞房家奕
Owner DATANG MOBILE COMM EQUIP CO LTD
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap