Method and Device for Boosting Variable Voltages

1 . A method for boosting a plant voltage using a variable boost device located at a bottom of a tower that supplies power through a transmission line to a radio device located at a top of the tower, comprising:

(1) comparing an output current of the variable boost device against a set of one or more current values, wherein the set of one or more current values represents a range of currents;

(2) selecting a voltage value that corresponds to a current value of the set of one or more current values;

(3) setting an output voltage of the variable boost device to match the selected voltage value; and

repeating the steps (1)-(3).

2 . The method according to claim 1 , wherein the set of one or more current values is preset or given by a user of the variable boost device.

3 . The method according to claim 1 , wherein each current value in the set of one or more current values corresponds to a respective voltage value.

4 . The method according to claim 3 , wherein the respective voltage value is based on a voltage value that is calculated according to a resistance of the transmission line.

5 . The method according to claim 4 , wherein the respective voltage value is equal to a sum of the plant voltage and the voltage value that is calculated according to the resistance of the transmission line.

6 . The method according to claim 1 , wherein the selected voltage value is larger than a maximal power signal voltage of the radio device.

7 . A method for boosting a plant voltage using a variable boost device located at a bottom of a tower that supplies power to a radio device located at a top of the tower, comprising:

(1) comparing an output of current of a power signal that delivers the plant voltage on a transmission line that connects the variable boost device located at the bottom of the tower to the radio device located at the top of the tower with a Kth current range in a set of current ranges, wherein K is an integer and starts at 1 for the first time;

(2) boosting the plant voltage to a Kth voltage value in a voltage range in response to the output of current of the power signal being less than the Kth current range in the set of current ranges;

(3) comparing K with N in response to the output of current of the power signal being larger than or equal to the Kth current range in the set of current ranges, wherein N is an integer and is a length of the set of current ranges;

(4) setting K to be K+1 in response to K being different from N;

repeating the steps (1)-(4) until K is equal to N, boosting the plant voltage to the Kth voltage value in the voltage range in response to K being equal to N; and

(5) setting K to be 1, and repeating the steps (1)-(5), and

wherein K is less than or equal to N.

8 . The method according to claim 7 , wherein the set of current ranges and the voltage range are preset or given by a user of the variable boost device.

9 . The method according to claim 7 , wherein each current value in a current range corresponds to a respective voltage value in the voltage range.

10 . The method according to claim 9 , wherein the respective voltage value in the voltage range is based on a voltage value that is calculated according to a resistance of the transmission line.

11 . The method according to claim 10 , wherein the respective voltage value in the voltage range is equal to a sum of the plant voltage and the voltage value that is calculated according to the resistance of the transmission line.

12 . The method according to claim 7 , wherein one or more voltage values in the voltage range are larger than a maximal power signal voltage of the radio device.

13 . A variable boost device for boosting a plant voltage, wherein the variable boost device is located at a bottom of a tower that supplies power through a transmission line to a radio device located at a top of the tower, and wherein the variable boost device comprises one or more processors configured to carry out:

(1) comparing an output current of the variable boost device against a set of one or more current values, wherein the set of one or more current values represents a range of currents;

(2) selecting a voltage value that corresponds to a current value of the set of one or more current values;

(3) setting an output voltage of the variable boost device to match the selected voltage value; and

repeating the steps (1)-(3).

14 . The device according to claim 13 , wherein the set of one or more current values is preset or given by a user of the variable boost device.

15 . The device according to claim 13 , wherein each current value in the set of one or more current values corresponds to a respective voltage value.

16 . The device according to claim 15 , wherein the respective voltage value is based on a voltage value that is calculated according to a resistance of the transmission line.

17 . The device according to claim 16 , wherein the respective voltage value is equal to a sum of the plant voltage and the voltage value that is calculated according to the resistance of the transmission line.

18 . The device according to claim 13 , wherein the selected voltage value is larger than a maximal power signal voltage of the radio device.