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Method and Device for Component Carrier Management in a Wireless Communication System

a wireless communication system and component carrier technology, applied in the field of wireless communication, can solve the problems of increasing battery consumption of the ue, reduce the signal overhead of activating or inactivating a plurality of component carriers (or serving cells), and avoid data loss. , the effect of reducing the battery consumption of the user equipmen

Inactive Publication Date: 2012-11-08
LG ELECTRONICS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0014]A signaling overhead for activating or inactivating a plurality of component carriers (or serving cells) can be decreased. A data loss can be avoided, and battery consumption of a user equipment can be decreased.

Problems solved by technology

However, battery consumption of the UE may increase to maintain a connection with the plurality of cells.

Method used

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  • Method and Device for Component Carrier Management in a Wireless Communication System
  • Method and Device for Component Carrier Management in a Wireless Communication System
  • Method and Device for Component Carrier Management in a Wireless Communication System

Examples

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Embodiment Construction

[0025]FIG. 1 shows a wireless communication system to which the present invention is applied. The wireless communication system may also be referred to as an evolved-UMTS terrestrial radio access network (E-UTRAN) or a long term evolution (LTE) / LTE-A system.

[0026]The E-UTRAN includes at least one base station (BS) 20 which provides a control plane and a user plane to a user equipment (UE) 10. The UE 10 may be fixed or mobile, and may be referred to as another terminology, such as a mobile station (MS), a user terminal (UT), a subscriber station (SS), a mobile terminal (MT), a wireless device, etc. The BS 20 is generally a fixed station that communicates with the UE 10 and may be referred to as another terminology, such as an evolved node-B (eNB), a base transceiver system (BTS), an access point, etc.

[0027]The BSs 20 are interconnected by means of an X2 interface. The BSs 20 are also connected by means of an S1 interface to an evolved packet core (EPC) 30, more specifically, to a mob...

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Abstract

Provided are a method and device in which a terminal manages component carriers in a wireless communication system. The terminal receives activation pattern data indicating activation or inactivation of at least one serving cell from a base station, and activates or inactivates the at least one component carrier in accordance with the activation pattern data.

Description

TECHNICAL FIELD[0001]The present invention relates to wireless communications, and more particularly, to a method and apparatus for managing a component carrier in a wireless communication system.BACKGROUND ART[0002]3rd generation partnership project (3GPP) long term evolution (LTE) is an improved version of a universal mobile telecommunication system (UMTS) and is introduced as the 3GPP release 8. The 3GPP LTE uses orthogonal frequency division multiple access (OFDMA) in a downlink, and uses single carrier-frequency division multiple access (SC-FDMA) in an uplink. The 3GPP LTE employs multiple input multiple output (MIMO) having up to four antennas. In recent years, there is an ongoing discussion on 3GPP LTE-advanced (LTE-A) that is an evolution of the 3GPP LTE.[0003]The 3GPP LTE-A employs various techniques such as carrier aggregation, relay, etc. The 3GPP LTE system is a single carrier system supporting only one bandwidth (i.e., one component carrier) among {1.4, 3, 5, 10, 15, 20...

Claims

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Application Information

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IPC IPC(8): H04W72/04
CPCH04L5/0098H04W36/18H04W24/10H04W52/0212H04W72/0453Y02D30/70H04W36/00695H04J11/00
Inventor PARK, SUNG JUNCHUN, SUNG DUCKJUNG, SUNG HOONYI, SEUNG JUNELEE, YOUNG DAE
Owner LG ELECTRONICS INC
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