Method and apparatus for pre-transmission power control using lower rate for high rate communication

Claim 1

In a communication system having at least one base station and at least one user station, wherein a user of said user station transmits reverse link signals to and receives forward link signals from said base station, a method for controlling transmission signal power in said communication system, the method comprising the steps of: sending signals at a low rate transmission signal power from at least one of said user stations and said base station; selecting a transmission signal power required to send data signals at a data rate based on improved quality feedback power control information signals, said data rate being faster than said low rate; changing said low rate transmission signal power to match said selected transmission signal power for said data rate; sending data signals at said data rate from at least one of said user stations and said base station.

Claim 5

A method for a power control of a communication system, having at least one transmitting station and at least one receiving station, during a transition from a lower data rate to a higher data rate, (a) comprising the steps of: (1) exchanging signals between said transmitting station and said receiving station over forward and reverse links at a low rate; (2) presenting data to said transmitting station for transmission at a data rate, said data rate being higher than said low rate; (3) estimating at said transmitting station a transmission signal power required to transmit data at said data rate based on a feedback power control information signals received from said receiving station; (4) changing at said transmitting station said transmission signal power to said required transmission signal power, (5) starting at said transmitting station transmission of data at said data rate; and (b) the improvement is characterized in that the method includes the step of: (1) improving quality of said feedback power control information signals, said step preceding the step of estimating a transmission power; (c) wherein if said transmitting station is a base station then said receiving station is a remote station and vice versa.

Claim 6

A method for a power control of a communication system, having at least one transmitting station and at least one receiving station, during a transition from a lower data rate to a higher data rate, (a) comprising the steps of: (1) exchanging signals between said transmitting station and said receiving station over forward and reverse links at a low rate; (2) presenting data to said transmitting station for transmission at a data rate, said data rate being higher than said low rate; (3) estimating at said transmitting station a transmission signal power required to transmit data at said data rate based on a feedback power control information signals received from said receiving station; (4) changing at said transmitting station said transmission signal power to said required transmission signal power, (5) starting at said transmitting station transmission of data at said data rate; and (b) the improvement is characterized in that the method includes the step of: (1) improving quality of said feedback power control information signals, said step preceding the step of estimating a transmission power; (c) wherein if said transmitting station is a base station then said receiving station is a remote station and vice versa.

Claim 17

An apparatus for a power control of a communication system, having at least one transmitting station and at least one receiving station, during a transition from a lower data rate to a higher data rate, (a) comprising: (1) means for exchanging signals between said transmitting station and said receiving station at a low rate; (2) means for presenting data to said transmitting station for transmission at a data rate, said data rate being higher than said low rate; (3) means for estimating at said transmitting station a transmission signal power required to transmit data at said data rate based a feedback power control information signals from said B station; (4) means for changing at said transmitting station said transmission signal power to said required transmission signal power, (5) means for starting at said transmitting station transmission of data at said data rate; and (b) the improvement is characterized in that the apparatus further includes: (1) means for improving quality of said feedback power control information signals, said improvement of quality occurring before said estimation of a transmission power; (c) wherein if said transmitting station is a base station then said receiving station is a remote station and vice versa.

Claim 18

An apparatus for a power control of a communication system, having at least one transmitting station and at least one receiving station, during a transition from a lower data rate to a higher data rate, (a) comprising: (1) means for exchanging signals between said transmitting station and said receiving station at a low rate; (2) means for presenting data to said transmitting station for transmission at a data rate, said data rate being higher than said low rate; (3) means for estimating at said transmitting station a transmission signal power required to transmit data at said data rate based a feedback power control information signals from said B station; (4) means for changing at said transmitting station said transmission signal power to said required transmission signal power, (5) means for starting at said transmitting station transmission of data at said data rate; and (b) the improvement is characterized in that the apparatus further includes: (1) means for improving quality of said feedback power control information signals, said improvement of quality occurring before said estimation of a transmission power; (c) wherein if said transmitting station is a base station then said receiving station is a remote station and vice versa.

Claim 29

An apparatus for a power control of a communication system during a transition from a lower data rate to a higher data rate, said communication system comprises: (a) a transmitting station comprising: (1) a variable data source; (2) a first transmitter adapted to receive data from said data source, constructed to transmit a signal at said data rate and a variable power to a second receiver over a first link; (3) a first receiver constructed to receive a signal from a second transmitter; and (4) a first control processor connected to said variable data source, said first transmitter, and said first receiver; and (b) a receiving station comprising: (1) said second transmitter constructed to transmit a signal to said first receiver over a second link; (2) said second receiver constructed to receive a signal from said first transmitter; and (3) a second control processor connected to said second transmitter, and said second receiver; and (c) wherein the apparatus is characterized in that: (1) said first control processor has been configured to perform the following functions: (a) to cause said first transmitter to transmit signals at a low rate; (b) to receive request from said variable data source to cause said first transmitter to transmit signals at a data rate, said data rate being higher than said low rate; (c) to cause said first transmitter to transmit a signal causing said receiving station to improve quality of a feedback power control information signals; (d) to receive from said first receiver said feedback power control information signals; (e) to estimate a transmission signal power required to transmit data at said data rate based on improved quality of said feedback power control information signals; (f) to cause said first transmitter to change said transmission signal power to said required transmission signal power; and (g) to cause said first transmitter to start transmission of data at said data rate; and (2) said second control processor has been configured to perform the following functions: (a) to receive from said second receiver a signal indicating a need to improve a quality of said feedback power control information signals; (b) to cause an improvement of quality of said feedback power control information signals; and (c) to cause said transmitter to transmit said feedback power control information signals; (d) wherein if said transmitting station is a base station then said receiving station is a remote station and vice versa.

Claim 30

An apparatus for a power control of a communication system during a transition from a lower data rate to a higher data rate, said communication system comprises: (a) a transmitting station comprising: (1) a variable data source; (2) a first transmitter adapted to receive data from said data source, constructed to transmit a signal at said data rate and a variable power to a second receiver over a first link; (3) a first receiver constructed to receive a signal from a second transmitter; and (4) a first control processor connected to said variable data source, said first transmitter, and said first receiver; and (b) a receiving station comprising: (1) said second transmitter constructed to transmit a signal to said first receiver over a second link; (2) said second receiver constructed to receive a signal from said first transmitter; and (3) a second control processor connected to said second transmitter, and said second receiver; and (c) wherein the apparatus is characterized in that: (1) said first control processor has been configured to perform the following functions: (a) to cause said first transmitter to transmit signals at a low rate; (b) to receive request from said variable data source to cause said first transmitter to transmit signals at a data rate, said data rate being higher than said low rate; (c) to cause said first transmitter to transmit a signal causing said receiving station to improve quality of a feedback power control information signals; (d) to receive from said first receiver said feedback power control information signals; (e) to estimate a transmission signal power required to transmit data at said data rate based on improved quality of said feedback power control information signals; (f) to cause said first transmitter to change said transmission signal power to said required transmission signal power; and (g) to cause said first transmitter to start transmission of data at said data rate; and (2) said second control processor has been configured to perform the following functions: (a) to receive from said second receiver a signal indicating a need to improve a quality of said feedback power control information signals; (b) to cause an improvement of quality of said feedback power control information signals; and (c) to cause said transmitter to transmit said feedback power control information signals; (d) wherein if said transmitting station is a base station then said receiving station is a remote station and vice versa.

Claim 41

An apparatus for a power control of a communication system having at least one transmitting station and at least one receiving station during a transition from a lower data rate to a higher data rate, (a) said apparatus comprising: (1) a variable data source; (2) a transmitter adapted to receive data from said data source, constructed to transmit a signal at a variable data rate and a variable power; (3) a receiver constructed to receive a signal a variable data rate; and (4) a control processor connected to said variable data source, said transmitter, and said receiver; and (b) wherein the apparatus is characterized in that: (1) said control processor has been configured to perform the following functions: (a) to cause said first transmitter to transmit signals at a low rate; (b) to receive notification from said variable data source to cause first transmitter to transmit signals at a data rate, said data rate being higher than said low rate; (c) to cause said transmitter to transmit a signal requesting an opposite type station to improve quality of a feedback power control information signals; (d) to receive from said receiver said feedback power control information signals; (e) to estimate a transmission signal power required to transmit data at said data rate based on improved quality of said feedback power control information signals; (f) to cause said transmitter to change said transmission signal power to said required transmission signal power; and (g) to cause said transmitter to start transmission of data at said data rate; and (c) wherein said apparatus resides in said transmitting station or said receiving station or both.

Claim 42

An apparatus for a power control of a communication system having at least one transmitting station and at least one receiving station during a transition from a lower data rate to a higher data rate, (a) said apparatus comprising: (1) a variable data source; (2) a transmitter adapted to receive data from said data source, constructed to transmit a signal at a variable data rate and a variable power; (3) a receiver constructed to receive a signal a variable data rate; and (4) a control processor connected to said variable data source, said transmitter, and said receiver; and (b) wherein the apparatus is characterized in that: (1) said control processor has been configured to perform the following functions: (a) to cause said first transmitter to transmit signals at a low rate; (b) to receive notification from said variable data source to cause first transmitter to transmit signals at a data rate, said data rate being higher than said low rate; (c) to cause said transmitter to transmit a signal requesting an opposite type station to improve quality of a feedback power control information signals; (d) to receive from said receiver said feedback power control information signals; (e) to estimate a transmission signal power required to transmit data at said data rate based on improved quality of said feedback power control information signals; (f) to cause said transmitter to change said transmission signal power to said required transmission signal power; and (g) to cause said transmitter to start transmission of data at said data rate; and (c) wherein said apparatus resides in said transmitting station or said receiving station or both.

Claim 52

An apparatus for a power control of a communication system having at least one transmitting station and at least one receiving station during a transition from a lower data rate to a higher data rate: (a) said apparatus comprising: (1) a transmitter constructed to transmit a signal at a variable data rate and a variable power over a link; (2) a receiver constructed to receive a signal at a variable data rate; and (3) a control processor connected to said transmitter, and said receiver; and (b) wherein the apparatus is characterized in that: (4) said control processor has been configured to perform the following functions: (a) to receive from said receiver a signal indicating a need to improve a quality of said feedback power control information signals; (b) to cause improvement of quality of said feedback power control information signals; and (c) to cause said transmitter to transmit said feedback power control information signals; (c) wherein said apparatus resides in said transmitting station or said receiving station or both.

Claim 53

An apparatus for a power control of a communication system having at least one transmitting station and at least one receiving station during a transition from a lower data rate to a higher data rate: (a) said apparatus comprising: (1) a transmitter constructed to transmit a signal at a variable data rate and a variable power over a link; (2) a receiver constructed to receive a signal at a variable data rate; and (3) a control processor connected to said transmitter, and said receiver; and (b) wherein the apparatus is characterized in that: (4) said control processor has been configured to perform the following functions: (a) to receive from said receiver a signal indicating a need to improve a quality of said feedback power control information signals; (b) to cause improvement of quality of said feedback power control information signals; and (c) to cause said transmitter to transmit said feedback power control information signals; (c) wherein said apparatus resides in said transmitting station or said receiving station or both.

Claim 57

A method for controlling transmission power in a communication system, having at least one transmitting station and at least one receiving station, during a transition from a low rate to a high rate transmission, comprising the steps of: (1) improving a quality of feedback power control information signals to generate an improved feedback power control information signals; (2) estimating a transmission power required to transmit data at said high rate based on said improved feedback power control information signals; and (3) transmitting at said high rate using said required transmission power.

Claim 58

A method for controlling transmission power in a communication system, having at least one transmitting station and at least one receiving station, during a transition from a low rate to a high rate transmission, comprising the steps of: (1) improving a quality of feedback power control information signals to generate an improved feedback power control information signals; (2) estimating a transmission power required to transmit data at said high rate based on said improved feedback power control information signals; and (3) transmitting at said high rate using said required transmission power.

Claim 69

An apparatus for controlling transmission power in a communication system, having at least one transmitting station and at least one receiving station, during a transition from a low rate to a high rate transmission, said apparatus comprising: (a) a transmitter configured to transmit at a variable data rate and a variable power over a first link; (b) a receiver configured to receive at a variable rate and a variable power over a second link; and (c) a control processor connected to said transmitter and said receiver, said control processor further including: (1) means for receiving from said receiver a request for improving a quality of feedback power control information signals; (2) means for improving said quality of said feedback power control information signals; and (3) means for transmitting said improved feedback power control information signals to said transmitter.

Claim 70

An apparatus for controlling transmission power in a communication system, having at least one transmitting station and at least one receiving station, during a transition from a low rate to a high rate transmission, said apparatus comprising: (a) a transmitter configured to transmit at a variable data rate and a variable power over a first link; (b) a receiver configured to receive at a variable rate and a variable power over a second link; and (c) a control processor connected to said transmitter and said receiver, said control processor further including: (1) means for receiving from said receiver a request for improving a quality of feedback power control information signals; (2) means for improving said quality of said feedback power control information signals; and (3) means for transmitting said improved feedback power control information signals to said transmitter.