Telecommunications – Transmitter and receiver at separate stations – Plural transmitters or receivers
Reexamination Certificate
2005-02-17
2010-02-16
Anderson, Matthew D (Department: 2618)
Telecommunications
Transmitter and receiver at separate stations
Plural transmitters or receivers
C455S069000, C455S115100, C455S115300, C455S442000, C375S358000, C375S213000
Reexamination Certificate
active
07664521
ABSTRACT:
In the mobile communication system, a total reception quality between a terminal and a base station is converged into a target quality, thereby suppressing a period in which the transmission power of a distant station becomes excessive.In a mobile communication terminal, when a target SIR for the transmission power control in a down link from a radio base station is controlled, when a transmission power control system using a moving average is adopted, an error occurrence situation is detected by a reception quality calculating unit, and when many errors occur in the short time in the shadow of a building and the like, the number of errors is replaced with a predetermined upper limit value, and the reception quality of the moving average is calculated by an up/down adjusting unit, and when this calculating result is better than a target reception quality, the going down timing and down width of the target SIR are changed, and the target SIR at that time is decided and controlled by a target SIR deciding unit. In this way, the period in which the transmission power of the radio station becomes excessive can be suppressed.
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Anderson Matthew D
NEC Corporation
Scully , Scott, Murphy & Presser, P.C.
Youssef Adel
LandOfFree
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