Mobile terminal and control method therefor

Details Mobile terminal and control method therefor Mobile terminal and control method therefor

2011-08-30

2011-08-30

Aminzay, Shaima Q (Department: 2618)

Telecommunications

Transmitter and receiver at separate stations

Plural transmitters or receivers

C455S069000, C455S063100, C455S013400, C455S114200, C455S127500, C370S318000

Reexamination Certificate

active

08010148

ABSTRACT:
A mobile terminal detecting an instantaneous deterioration in BLER and quickly converging an SIR into an appropriate target SIR, thereby preventing requesting an excessive transmission power from a base station and a method of controlling the mobile terminal are provided. The present invention relates to the mobile terminal including a target SIR control unit105that detects a burst error state indicating a deterioration in a communication environment, a burst error return state indicating a return of the communication environment, and a normal communication state indicating a good state of the communication environment based on whether a cyclic redundancy check is good, after detecting the burst error state, decreases the target SIR by a first decrease amount whenever an OK determination result of the cyclic redundancy check is obtained, detects a state in which the target SIR is decreased by a burst error return criterion that is a preset decrease amount, determines that the detected state is a burst error return state, and decreases the target SIR by a preset second decrease amount, and the method of controlling the mobile terminal.

REFERENCES:
patent: 2006/0293075 (2006-12-01), Kansakoski et al.
patent: 2000-252917 (2000-09-01), None
patent: 2002-543663 (2002-12-01), None
patent: 2004-242148 (2004-08-01), None
patent: 2006-50498 (2006-02-01), None
patent: 2006-246045 (2006-09-01), None
patent: WO 2004/049589 (2004-06-01), None
patent: WO 2004/054130 (2004-06-01), None

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