Power control in telecommunications networks

Telecommunications – Transmitter – Measuring – testing – or monitoring of transmitter

Reexamination Certificate

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Details

C455S115200, C455S115300, C455S226100, C375S134000, C375S137000, C375S224000

Reexamination Certificate

active

07373117

ABSTRACT:
A radio frequency transmitter is power controlled using a controlling system including an integrating controller, together with an inner and an outer control loop. A tracking signal supplied by the inner loop to the integrating controller of the outer loop is used to avoid windup problems when the transmitted power is saturated.

REFERENCES:
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patent: 6353623 (2002-03-01), Munks et al.
patent: 6449462 (2002-09-01), Gunnarsson et al.
patent: 2002/0021682 (2002-02-01), Ariyoshi et al.
patent: 2003/0148769 (2003-08-01), Chi et al.
patent: 1 067 706 (2004-03-01), None
patent: WO- 00/65748 (2000-11-01), None
Karl Johan, et al.; “PID Controllers: Theory, Design and Tuning”; Instrument Society of America; Research Triangle Park, NC; second edition; 1995; Chapter 3: pp. 59-119.
Gunnarsson, Fredrik et al., “Power Control in Wireless Communications Networks—From A Control Theory Perspective”; XP002274367, Feb. 7, 2002, (12 pgs).

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