Methods of managing terminal performed in base station and terminal

Abstract

Provided are methods of managing a terminal in a heterogeneous network (HetNet) environment. Between the methods, a method of managing a terminal performed in a base station includes determining whether or not a measurement change request event has occurred, and when a measurement change request event has occurred, transmitting a control message for instructing a change of a measurement operation to the terminal. Accordingly, it is possible to improve a measurement operation and discontinuous reception (DRX) operation control procedure necessary for connection control between one or more base stations and a terminal in a HetNet environment, and thereby performance of a system can be improved.

Description

CLAIM FOR PRIORITY[0001]This application claims priority to Korean Patent Application No. 10-2012-0021843 filed on Mar. 2, 2012, No. 10-2012-0027389 filed on Mar. 16, 2012, No. 10-2012-0029384 filed on Mar. 22, 2012, No. 10-2012-0099251 filed on Sep. 7, 2012, No. 10-2012-0102889 filed on Sep. 17, 2012, and No. 10-2013-0020910 filed on Feb. 27, 2013 in the Korean Intellectual Property Office (KIPO), the entire contents of which are hereby incorporated by reference.BACKGROUND[0002]1. Technical Field[0003]Example embodiments of the present invention relate in general to technology for a packet-based mobile communication system, and more particularly, to methods of managing a terminal performed in a base station and the terminal to support mobility management and low-power operation of the terminal in a heterogeneous network (HetNet) environment.[0004]2. Related Art[0005]In a packet-based cellular mobile communication system, mobility management is intended to maintain continuity of a c...

AI Technical Summary

Benefits of technology

[0018]Example embodiments of the present invention provide a method of managing a terminal in a heterogeneous network (HetNet) environment capable of improving performance of a mobile communication system, efficiently controlling interference, ensuring continuity of service, and reducing power consumption of a terminal.

[0028]Here, the operation level information on the terminal may indicate at least one of a first measurement mode in which the terminal performs measurement and measurement reporting operations according to a set measurement parameter, a second measurement mode in which the terminal performs minimum measurement and measurement reporting operations while satisfying the lowest service quality of a set radio bearer (RB), a third measurement mode in which the terminal selectively performs a measurement operation, a first DRX mode in which the terminal performs no DRX operation, a second DRX mode in which the terminal performs a DRX operation according to a set DRX parameter, and a third DRX mode in which the terminal performs a DRX operation to minimize power consumption of the terminal.

Problems solved by technology

Also, the quality of a radio channel deteriorates due to interference at a cell boundary, and radio link failure (RLF) occurs due to the deterioration, so that the overall performance of a mobile communication system is hindered.

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