Method and apparatus for adaptive closed loop power control using open loop measurements
Номер патента: MY119732A
Опубликовано: 29-07-2005
Автор(ы): Tobin A Prescott
Принадлежит: Qualcomm Inc
Опубликовано: 29-07-2005
Автор(ы): Tobin A Prescott
Принадлежит: Qualcomm Inc
Реферат: A METHOD AND APPARATUS FOR CONTROLLING A PARAMETER ASSOCIATED WITH A FIRST SIGNAL (410) TRANSMITTED FROM A FIRST STATION (120) TO A SECOND STATION (124) IN A COMMUNICATION SYSTEM (100) MONITORS A SECOND SIGNAL (420) TRANSMITTED FROM THE SECOND STATION TO THE FIRST STATION (120) TO DETERMINE A PROPAGATION STATE ASSOCIATED WITH THE TRANSMITTED SIGNALS (410, 420). A LOOP GAIN IS ADJUSTED BASED ON THE PROPAGATION STATE. THE LOOP GAIN IS USED TO ADJUST THE SIZE OF COMMANDS USED TO ADJUST (I.E., INCREASE OR DECREASE) THE PARAMETER BEING CONTROLLED. IF THE PROPAGATION STATE IS A QUIESCENT STATE, THE LOOP GAIN IS SET TO ONE. IF THE PROPAGATION STATE IS AN ACTIVE STATE, THE LOOP GAIN IS SET TO SOME VALUE GREATER THAN ONE THEREBY INCREASING THE SIZE OF THE COMMANDS (555, 655) USED TO CONTROL THE PARAMETER. IN A PREFERRED EMBODIMENT OF THE PRESENT INVENTION, THE CONTROLLED PARAMETER IS A TRANSMIT POWER LEVEL OF THE FIRST SIGNAL.
Method and apparatus for determining the forward link closed loop power control set point in a wireless packet data communication system
Номер патента: EP1348263A2. Автор: Tao Chen,Fuyun Ling. Владелец: Qualcomm Inc. Дата публикации: 2003-10-01.