Outer loop transmit power control using channel-adaptive processing

Claim 3

The method of claim 1 further comprising the steps of: receiving from the base station a detected target power level; detecting an error signal; and adjusting the detected target power level in response to said detection of the error signal to generate the target power level before adjusting the target power level in response to the static and dynamic adjustment values.

Claim 4

The method of claim 1 wherein said first and second windows include a respective predetermined number of observations O 1 , each said observation O 1 equal to a fixed number of communication segments and representing a time period OP 1 ; and said periodic distinguishing between static and dynamic channel conditions is based upon values determined from each observation O 1 .

Claim 5

The method of claim 3 wherein said distinguishing step includes the steps of: detecting a peak power point of said communication segments each observation O 1 for said first and second windows, respectively; comparing said detected peak power points to a predefined threshold value; determining which of the first and second windows includes static channel conditions based upon said comparison; and calculating said static adjustment value in response to said determination.

Claim 6

The method of claim 4 wherein said first window and said second window are separated by a first transition window of a fifth length and said first transition window is adjusted when said detected peak power points are not within the threshold value.

Claim 7

The method of claim 5 wherein said period of said distinguishing is equal to P 1 .

Claim 8

The method of claim 1 wherein said third and fourth windows include a respective predetermined number of observations O 2 , said observation O 2 being equal to a fixed number of communication segments and representing a time period OP 2 , and said periodic characterizing of the dynamic channel conditions is based upon values determined from each observation O 2 .

Claim 9

The method of claim 7 wherein said characterizing step comprises the steps of: detecting peak power ratios of said communication segments each observation O 2 for the third and fourth windows, respectively; comparing said detected power ratios to a second threshold value, said second threshold value being based in part on said peak power ratios; and generating the dynamic adjustment value when the comparison is within the threshold.

Claim 10

The method of claim 8 wherein said third and fourth windows are separated by a second transition window of a sixth length, and said second transition window is adjusted when said detected power ratios are not within said second threshold.

Claim 11

The method of claim 9 wherein the period of said characterizing is OP 2 .

Claim 12

The method of claim 1 wherein said first and second windows include a respective predetermined number of observations O 1 , each said observation O 1 equal to a fixed number of communication segments and representing a time period OP 1 ; and said periodic distinguishing between static and dynamic channel conditions is based upon values determined from each observation O 1 ; said third and fourth windows include a respective predetermined number of observations O 2 , said observation O 2 being equal to a fixed number of communication segments and representing a time period OP 2 , and said periodic characterizing of the dynamic channel conditions is based upon values determined from each observation O 2 .

Claim 13

The method of claim 11 wherein said period of said distinguishing is equal to P 1 , and the period of said characterizing is OP 2 .

Claim 14

The method of claim 12 wherein said observations O 1 and O 2 are not equal.

Claim 15

The method of claim 3 wherein said distinguishing step includes the steps of: detecting a peak power point of said communication segments each observation O 1 for said first and second windows, respectively; comparing said detected peak power points to a predefined threshold value; determining which of the first and second windows includes static channel conditions based upon said comparison; and calculating said static adjustment value in response to said determination; and said characterizing step includes the steps of: detecting peak power ratios of said communication segments each observation O 2 for the third and fourth windows, respectively; comparing said detected power ratios to a second threshold value, said second threshold value being based in part on said peak power ratios; and generating the dynamic adjustment value when the comparison is within the threshold.

Claim 16

The method of claim 14 wherein said first window and said second window are separated by a first transition window of a fifth length and said first transition window is adjusted when said detected peak power points are not within the threshold value; and said third and fourth windows are separated by a second transition window of a sixth length, and said second transition window is adjusted when said detected power ratios are not within said second threshold.

Claim 17

A receiver in a spread spectrum time division communication system where a user equipment (UE) produces a target power level based upon received signals which it communicates to a base station from which the signals are received, which controls outer loop transmit power for transmission power control of an uplink/downlink communication and receives a communication in the form of a series of communication segments from a base station, comprising a processor for generating the target power level which is communicated to said base station and analyzing the received communication within first and second composite windows; said first composite window, having a predefined first window of a first length of a predetermined number of communication segments and a non-overlapping second window of a second length of a predetermined number of communication segments, such that each segment of the communication is first analyzed in the first window and subsequently analyzed in the second window, for periodically distinguishing between static and dynamic channel conditions in communication segments within the first and second windows and generating a static adjustment value when the respective channel conditions of the communication segments in said first and second windows are different; said second composite window, having a predefined third window of a third length of a predetermined number of communication segments and a non-overlapping fourth window of a fourth length of a predetermined number of communication segments, such that each segment of the communication is first analyzed in the third window and subsequently analyzed in the fourth window, for periodically characterizing dynamic channel conditions in communication segments within the third and fourth windows to generate a dynamic adjustment value; said processor adjusting the target power level in response to the static and dynamic adjustment values.

Claim 18

A receiver in a spread spectrum time division communication system where a user equipment (UE) produces a target power level based upon received signals which it communicates to a base station from which the signals are received, which controls outer loop transmit power for transmission power control of an uplink/downlink communication and receives a communication in the form of a series of communication segments from a base station, comprising a processor for generating the target power level which is communicated to said base station and analyzing the received communication within first and second composite windows; said first composite window, having a predefined first window of a first length of a predetermined number of communication segments and a non-overlapping second window of a second length of a predetermined number of communication segments, such that each segment of the communication is first analyzed in the first window and subsequently analyzed in the second window, for periodically distinguishing between static and dynamic channel conditions in communication segments within the first and second windows and generating a static adjustment value when the respective channel conditions of the communication segments in said first and second windows are different; said second composite window, having a predefined third window of a third length of a predetermined number of communication segments and a non-overlapping fourth window of a fourth length of a predetermined number of communication segments, such that each segment of the communication is first analyzed in the third window and subsequently analyzed in the fourth window, for periodically characterizing dynamic channel conditions in communication segments within the third and fourth windows to generate a dynamic adjustment value; said processor adjusting the target power level in response to the static and dynamic adjustment values.

Claim 19

The receiver of claim 16 wherein said received communication includes a detected target power level; said processor further detecting an error signal; and adjusting the detected target power level in response to said detection of the error signal to generate the target power level before adjusting the target power level in response to the static and dynamic adjustment values.

Claim 20

The receiver of claim 16 wherein said first and second windows include a respective predetermined number of observations O 1 , each said observation O 1 equal to a fixed number of communication segments and representing a time period OP 1 ; and said periodic distinguishing between static and dynamic channel conditions is based upon values determined from each observation O 1 .

Claim 21

The receiver of claim 18 wherein said first window and said second window are separated by a first transition window of a fifth length and said first transition window is adjusted when the first and second windows are not different.

Claim 22

The receiver of claim 19 wherein said period of said distinguishing is equal to P 1 .

Claim 23

The receiver of claim 16 wherein said third and fourth windows include a respective predetermined number of observations O 2 , said observation O 2 being equal to a fixed number of communication segments and representing a time period OP 2 , and said periodic characterizing of the dynamic channel conditions is based upon values determined from each observation O 2 .

Claim 24

The receiver of claim 21 wherein said third and fourth windows are separated by a second transition window of a sixth length.

Claim 25

The method of claim 22 wherein the period of said characterizing is OP 2 .

Claim 26

The receiver of claim 16 wherein said first and second windows include a respective predetermined number of observations O 1 , each said observation O 1 equal to a fixed number of communication segments and representing a time period OP 1 ; and said periodic distinguishing between static and dynamic channel conditions is based upon values determined from each observation O 1 ; said third and fourth windows include a respective predetermined number of observations O 2 said observation O 2 being equal to a fixed number of communication segments and representing a time period OP 2 , and said periodic characterizing of the dynamic channel conditions is based upon values determined from each observation O 2 .

Claim 27

The receiver of claim 24 wherein said period of said distinguishing is equal to P 1 , and the period of said characterizing is P 2 .

Claim 28

The receiver of claim 25 wherein said observations O 1 and O 2 are not equal.

Claim 29

The receiver of claim 26 wherein said first window and said second window are separated by a first transition window of a fifth length and said first transition window is adjusted when said first and second windows are not different; and said third and fourth windows are separated by a second transition window of a sixth length.