Method and system for a data transmission in a communication system
First Claim
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1. A method for power control of a reverse link channel, the method comprising:
- determining a transmit power of a first reverse link channel;
determining a transmit power ratio of the reverse link channel to the first reverse link channel for a data rate to be transmitted on the reverse link channel;
adjusting the transmit power ratio in accordance with a measured quality metric of the reverse link channel; and
computing the reverse link channel transmit power in accordance with the adjusted transmit power ratio;
wherein adjusting the transmit power ratio in accordance with the measured quality metric of the reverse link channel comprises;
determining a rise over thermal differential between a transmission interval of the first reverse link channel and a transmission interval of the reverse link channel;
adjusting the rise over thermal differential; and
adjusting the transmit power ratio in accordance with the adjusted rise over thermal differential.
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Abstract
Novel data transmission method and apparatus in a communication system require novel method and apparatus for power control and rate of data determination, which are disclosed.
127 Citations
58 Claims
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1. A method for power control of a reverse link channel, the method comprising:
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determining a transmit power of a first reverse link channel; determining a transmit power ratio of the reverse link channel to the first reverse link channel for a data rate to be transmitted on the reverse link channel; adjusting the transmit power ratio in accordance with a measured quality metric of the reverse link channel; and computing the reverse link channel transmit power in accordance with the adjusted transmit power ratio; wherein adjusting the transmit power ratio in accordance with the measured quality metric of the reverse link channel comprises; determining a rise over thermal differential between a transmission interval of the first reverse link channel and a transmission interval of the reverse link channel; adjusting the rise over thermal differential; and adjusting the transmit power ratio in accordance with the adjusted rise over thermal differential. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. An apparatus for power control of a reverse link channel, the apparatus comprising:
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a processor; and a storage medium coupled to the processor and containing a set of instructions executable by the processor to; determine a transmit power of a first reverse link channel; determine a transmit power ratio of the reverse link channel to the first reverse link channel for a data rate to be transmitted on the reverse link channel; adjust the transmit power ratio in accordance with a measured quality metric of the reverse link channel; and compute the reverse link channel transmit power in accordance with the adjusted transmit power ratio; wherein the processor adjusts the transmit power ratio in accordance with the quality metric of the reverse link channel by executing a set of instructions to; determine a rise over thermal differential between a transmission interval of the first reverse link channel and a transmission interval of the reverse link channel; adjust the rise over thermal differential; and adjust the transmit power ratio in accordance with the adjusted rise over thermal differential. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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21. A method for controlling a reverse link channel power, the method comprising:
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determining a transmit power of a first reverse link channel; determining a transmit power of a second reverse link channel in accordance with the first reverse link channel; setting a transmit power of the reverse link channel equal to the transmit power of the second reverse link channel; and varying number of chips allocated to the reverse link channel in accordance with the transmit power of the reverse link channel. - View Dependent Claims (22, 23, 24)
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25. An apparatus for controlling a reverse link channel power, the apparatus comprising:
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a processor; and a storage medium coupled the processor and containing a set of instructions executable by the processor to; determine a transmit power of a first reverse link channel; determine a transmit power of a second reverse link channel in accordance with the first reverse link channel; set a transmit power of the reverse link channel equal to the transmit power of the second reverse link channel; and vary a number of chips allocated to the reverse link channel in accordance with the transmit power of the reverse link channel. - View Dependent Claims (26, 27, 28)
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29. A method for determining a rate of data transmitted over a reverse link channel, the method comprising:
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determining a transmit power of a first reverse link channel; determining a transmit power ratio of a maximum power of the reverse link channel to the transmit power of the first reverse link channel; adjusting the transmit power ratio in accordance with a measured quality metric of the reverse link channel; and computing the rate of data as a maximum rate of data in accordance with the adjusted transmit power ratio; wherein the adjusting the transmit power ratio in accordance with the measured quality metric of the reverse link channel comprises; determining a rise over thermal differential between a transmission interval of the first reverse link channel and a transmission interval of the reverse link channel; adjusting the rise over thermal differential; and adjusting the transmit power ratio in accordance with the adjusted rise over thermal differential. - View Dependent Claims (30, 31, 32, 33, 34, 35, 36, 37)
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38. An apparatus for determining a rate of data transmitted over a reverse link channel, the apparatus comprising:
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a processor; and a storage medium coupled the processor and containing a set of instructions executable by the processor to; determine a transmit power of a first reverse link channel; determine a transmit power ratio of a maximum power of the reverse link channel and the transmit power of the first reverse link channel; adjust the transmit power ratio in accordance with a measured quality metric of the reverse link channel; and compute the rate of data as a maximum rate of data in accordance with the adjusted transmit power ratio; wherein the processor adjusts the transmit power ratio in accordance with the quality metric of the reverse link channel by executing a set of instructions to; determine a rise over thermal differential between a transmission interval of the first reverse link channel and a transmission interval of the reverse link channel; adjust the rise over thermal differential; and adjust the transmit power ratio in accordance with the adjusted rise over thermal differential. - View Dependent Claims (39, 40, 41, 42, 43, 44, 45, 46, 47, 48)
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49. A method for determining a rate of data transmitted over a reverse link channel, the method comprising:
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determining at an access terminal a transmit power of a first reverse link channel; determining at the access terminal maximum transmit power of the reverse link channel; receiving at the access terminal adjusted transmit power ratio of the transmit power of the reverse link channel to the transmit power of the first reverse link channel; computing the rate of data as a maximum rate of data in accordance with the adjusted transmit power ratio, the determined transmit power of the first reverse link channel, and the determined maximum transmit power of the reverse link channel; determining at an access point the transmit power ratio of the transmit power of the reverse link channel to the transmit power of the first reverse link channel; determining at the access point a rise over thermal differential between a transmission interval of the first reverse link channel and a transmission interval of the reverse link channel; and adjusting the transmit power ratio in accordance with the rise over thermal differential to obtain the adjusted transmit power ratio. - View Dependent Claims (50, 51)
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52. An apparatus for determining a rate of data transmitted over a reverse link channel, the apparatus comprising:
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a processor; and a storage medium coupled the second processor and containing a set of instructions executable by the processor to; determine a transmit power of a first reverse link channel; determine maximum transmit power of the reverse link channel; receive adjusted transmit power ratio of the transmit power of the reverse link channel to the transmit power of the first reverse link channel; compute the rate of data as a maximum rate of data in accordance with the adjusted transmit power ratio, the determined transmit power of the first reverse link channel, and the determined maximum transmit power of the reverse link channel; a second processor; and a second storage medium coupled the second processor and containing a set of instructions executable the second processor to; determine the transmit power ratio of a transmit power of the reverse link channel to a transmit power of the first reverse link channel; determine a rise over thermal differential between a transmission interval of the first reverse link channel and a transmission interval of the reverse link channel; and adjust the maximum transmit power ratio in accordance with the rise over thermal differential to obtain the adjusted transmit power ratio. - View Dependent Claims (53, 54, 55, 56, 57, 58)
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Specification