Adaptive data rate control method

Details Adaptive data rate control method Adaptive data rate control method

2007-12-25

2007-12-25

Nguyen, Tony T. (Department: 2618)

Telecommunications

Radiotelephone system

Zoned or cellular telephone system

C455S068000, C455S435100, C370S347000

Reexamination Certificate

active

10815834

ABSTRACT:
A wireless communication terminal adaptively controls a forward data rate based on a channel status and with regard to a delay time existing between the detecting of the channel status and transmitting the data. An adaptive data rate control (DRC) method includes steps of receiving a pilot signal from a base station; detecting a channel status by measuring a power level of the received pilot signal; calculating a delay time, the delay time equaling a time interval indicative a pilot signal and reception of a data signal; determining a target forward data rate based on an offset value corresponding to the delay time; and transmitting a value indicative of the target forward data rate to the base station. The forward data rate is requested in consideration of the delay time.

REFERENCES:
patent: 6504838 (2003-01-01), Kwan
patent: 6996373 (2006-02-01), Kurhila et al.
patent: 7099629 (2006-08-01), Bender
patent: 2003/0083090 (2003-05-01), Huh et al.

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