Transmission power control
Some aspects of this disclosure include apparatuses and methods for implementing transmission power control. Some aspects relate to an electronic device including a transceiver configured to communicate with a second electronic device and a processor communicatively coupled to the transceiver. The processor is configured to receive an identification information of the second electronic device and receive, from the second electronic device, at least one of a plurality of feedback signals. The plurality of feedback signals includes a first feedback signal generated based on a link quality query from the electronic device and a second feedback signal including an encoded channel status information embedded within an acknowledgment (ACK) frame from the second electronic device. Based on the received identification information and the at least one of the plurality of feedback signals, the processor is configured to adjust transmission power of a signal to be transmitted to the second electronic device.
1. An electronic device, comprising:
a transceiver configured to communicate with a second electronic device; and
a processor communicatively coupled to the transceiver and configured to:
receive an identification information of the second electronic device;
receive, from the second electronic device, at least one of a plurality of feedback signals, wherein the plurality of feedback signals comprise:
a first feedback signal generated based on a link quality query from the electronic device; and
a second feedback signal comprising an encoded channel status information embedded within an acknowledgment (ACK) frame from the second electronic device;
adjust a transmission power of a signal to be transmitted to the second electronic device based on the at least one of the plurality of feedback signals in response to the received identification information satisfying a condition; and
generate the link quality query for the first feedback signal based on a third feedback signal associated with a previous time interval and a transmission power associated with a signal transmitted in the previous time interval.
2. The electronic device of claim 1 , wherein the processor is further configured to:
determine that the third feedback signal associated with the previous time interval and the transmission power associated with the signal transmitted in the previous time interval satisfy a second condition;
in response to the determination, generate the link quality query for the first feedback signal;
transmit, using the transceiver, the link quality query to the second electronic device;
receive, using the transceiver, the first feedback signal from the second electronic device; and
adjust, based on the first feedback signal, the transmission power of the signal to be transmitted to the second electronic device.
3. The electronic device of claim 1 , wherein:
the processor is configured to adjust the transmission power using a control mechanism applied to the second feedback signal, and
the control mechanism is initialized using the first feedback signal.
4. The electronic device of claim 1 , wherein the encoded channel status information is encoded in a frame control field of the ACK frame from the second electronic device.
5. The electronic device of claim 4 , wherein:
the encoded channel status information representing a first value indicates that the transmission power is to be unchanged,
the encoded channel status information representing a second value indicates that the transmission power is to be reduced by a first amount,
the encoded channel status information representing a third value indicates that the transmission power is to be increased by a second amount, and
the encoded channel status information representing a fourth value indicates that the transmission power is to be increased by a third amount different from the second amount.
6. The electronic device of claim 1 , wherein the processor is configured to adjust the transmission power based on the received identification information, the at least one of the plurality of feedback signals, and no ACK frame from the second electronic device in response to the signal transmitted to the second electronic device.
7. The electronic device of claim 1 , further comprising:
a sensor configured to generate sensor data,
wherein the processor is configured to adjust the transmission power based on the received identification information, the at least one of the plurality of feedback signals, and the sensor data.
8. The electronic device of claim 7 , wherein the sensor comprises a motion sensor and the sensor data comprises information associated with a motion of the electronic device.
9. A method, comprising:
receiving, using a first electronic device, an identification information of a second electronic device;
receiving, using the first electronic device and from the second electronic device, at least one of a plurality of feedback signals, wherein the plurality of feedback signals comprise:
a first feedback signal generated based on a link quality query from the first electronic device; and
a second feedback signal comprising an encoded channel status information embedded within an acknowledgment (ACK) frame from the second electronic device;
based on the received identification information and the at least one of the plurality of feedback signals, adjusting a transmission power of a signal to be transmitted to the second electronic device, wherein:
adjusting the transmission power comprises adjusting the transmission power using a control mechanism applied to the second feedback signal, and
the control mechanism is initialized using the first feedback signal.
10. The method of claim 9 , wherein adjusting the transmission power comprises adjusting the transmission power based on the first feedback signal and the second feedback signal in response to the received identification information satisfying a condition.
11. The method of claim 10 , further comprising:
determining that a second feedback signal associated with a previous time interval and a transmission power associated with a signal transmitted in the previous time interval satisfy a second condition;
in response to the determination, generating the link quality query for the first feedback signal;
transmitting, using the first electronic device, the link quality query to the second electronic device;
receiving, using the first electronic device, the first feedback signal from the second electronic device; and
adjusting, based on the first feedback signal, the transmission power of the signal to be transmitted to the second electronic device.
12. The method of claim 9 , wherein:
the encoded channel status information is encoded in a frame control field of the ACK frame from the second electronic device,
the encoded channel status information representing a first value indicates that the transmission power is to be unchanged,
the encoded channel status information representing a second value indicates that the transmission power is to be reduced by a first amount,
the encoded channel status information representing a third value indicates that the transmission power is to be increased by a second amount, and
the encoded channel status information representing a fourth value indicates that the transmission power is to be increased by a third amount different from the second amount.
13. The method of claim 12 , wherein adjusting the transmission power comprises adjusting the transmission power based on the received identification information, the at least one of the plurality of feedback signals, and sensor data from a motion sensor of the first electronic device.
14. A non-transitory computer-readable medium storing instructions that, when executed by a processor of an electronic device, cause the electronic device to perform operations comprising:
receiving an identification information of a second electronic device;
receiving, from the second electronic device, at least one of a plurality of feedback signals, wherein the plurality of feedback signals comprises:
a first feedback signal generated based on a link quality query from the electronic device; and
a second feedback signal comprising an encoded channel status information embedded within an acknowledgment (ACK) frame from the second electronic device;
based on the received identification information and the at least one of the plurality of feedback signals, adjusting a transmission power of a signal to be transmitted to the second electronic device, wherein:
adjusting the transmission power comprises adjusting the transmission power using a control mechanism applied to the second feedback signal, and
the control mechanism is initialized using the first feedback signal.
15. The non-transitory computer-readable medium of claim 14 , the operations further comprising:
determining that a second feedback signal associated with a previous time interval and a transmission power associated with a signal transmitted in the previous time interval satisfy a condition;
in response to the determination, generating the link quality query for the first feedback signal;
transmitting the link quality query to the second electronic device;
receiving the first feedback signal from the second electronic device; and
adjusting, based on the first feedback signal, the transmission power of the signal to be transmitted to the second electronic device.
16. The non-transitory computer-readable medium of claim 14 , wherein adjusting the transmission power comprises adjusting the transmission power based on the received identification information, the at least one of the plurality of feedback signals, and sensor data from a motion sensor of the electronic device.