Signal amplification methods and devices in signal processing
A signal processing method, a device, and a system are provided, to reduce noise interference generated by a repeater. The method includes a first device that determines a first time domain resource position for transmitting a first signal and sends first control signaling to a second device at or before the start position of the first time domain resource position. The second device receives the first control signaling and enables a signal amplification function based on the received first control signaling.
1. A signal processing method, wherein the method comprises:
determining, by a first device, a first time domain resource position for transmitting a first signal; and
sending, by the first device, first control signaling to a second device at or before a start position of the first time domain resource position, wherein the first control signaling is used to enable a signal amplification function of the second device;
wherein the determining, by the first device, the first time domain resource position for transmitting the first signal comprises:
receiving, by the first device, a second signal from a network device, wherein the second signal comprises information indicating the first time domain resource position; and
parsing, by the first device, the second signal by using a first radio network temporary identifier, to obtain the first time domain resource position, wherein the first radio network temporary identifier is a radio network identifier used by a first remote terminal device to parse the second signal, and the first remote terminal device is a terminal device that receives the second signal.
2. The method according to claim 1 , wherein:
the second signal is a first downlink control message carried on a first physical downlink control channel, and the first signal is first downlink data carried on a first physical downlink shared channel;
the second signal is a second downlink control message carried on a second physical downlink control channel, and the first signal is first uplink data carried on a first physical uplink shared channel;
the second signal is a random access response (RAR), and the first signal is a message in a random access process; or
the second signal is second downlink data carried on a second physical downlink shared channel, and the first signal is a third downlink control message carried on a third physical downlink control channel.
3. The method according to claim 1 , wherein the method further comprises:
determining, by the first device, a first common search space or a first terminal-specific search space corresponding to a second time domain resource position for transmitting the second signal; and
determining, by the first device, the first radio network temporary identifier based on the first common search space or the first terminal-specific search space and a prestored mapping relationship between the first radio network temporary identifier and the first common search space or the first terminal-specific search space.
4. A signal processing method, wherein the method comprises:
determining, by a third device, a first time domain resource position for transmitting a first signal; and
enabling, by the third device, a signal amplification function of the third device at or before a start position of the first time domain resource position;
wherein the determining, by the third device, the first time domain resource position for transmitting the first signal comprises:
receiving, by the third device, a second signal from a network device, wherein the second signal comprises information indicating the first time domain resource position; and
parsing, by the third device, the second signal by using a first radio network temporary identifier, to obtain the first time domain resource position, wherein the first radio network temporary identifier is a radio network identifier used by a first remote terminal device to parse the second signal, and the first remote terminal device is a terminal device that receives the second signal.
5. The method according to claim 4 , wherein the second signal is a first downlink control message carried on a first physical downlink control channel, and the first signal is first downlink data carried on a first physical downlink shared channel;
the second signal is a second downlink control message carried on a second physical downlink control channel, and the first signal is first uplink data carried on a first physical uplink shared channel;
the second signal is a random access response (RAR), and the first signal is a message in a random access process; or
the second signal is second downlink data carried on a second physical downlink shared channel, and the first signal is a third downlink control message carried on a third physical downlink control channel.
6. The method according to claim 4 , wherein the method further comprises:
determining, by the third device, a first common search space or a first terminal-specific search space corresponding to a second time domain resource position for transmitting the second signal; and
determining, by the third device, the first radio network temporary identifier based on the first common search space or the first terminal-specific search space and a prestored mapping relationship between the first radio network temporary identifier and the first common search space or the first terminal-specific search space.
7. A device comprising:
a processor; and
a computer readable storage medium storing computer program for execution by the processor, the computer program including instructions to cause the device to:
determine a first time domain resource position for transmitting a first signal; and
send first control signaling to a second device at or before a start position of the first time domain resource position, wherein the first control signaling is used to enable a signal amplification function of the second device;
wherein the computer program comprises further instructions to cause the device to:
receive a second signal from a network device, wherein the second signal comprises information used to indicate the first time domain resource position; and
parse the second signal by using a first radio network temporary identifier, to obtain the first time domain resource position, wherein the first radio network temporary identifier is a radio network identifier used by a first remote terminal device to parse the second signal, and the first remote terminal device is a terminal device that receives the second signal.
8. The device according to claim 7 , wherein
the second signal is a first downlink control message carried on a first physical downlink control channel, and the first signal is first downlink data carried on a first physical downlink shared channel;
the second signal is a second downlink control message carried on a second physical downlink control channel, and the first signal is first uplink data carried on a first physical uplink shared channel;
the second signal is a random access response (RAR), and the first signal is a message in a random access process; or
the second signal is second downlink data carried on a second physical downlink shared channel, and the first signal is a third downlink control message carried on a third physical downlink control channel.
9. The device according to claim 7 , wherein the computer program further comprises instructions to cause the device to:
determine a first common search space or a first terminal-specific search space corresponding to a second time domain resource position for transmitting the second signal; and
determine the first radio network temporary identifier based on the first common search space or the first terminal-specific search space and a prestored mapping relationship between the first radio network temporary identifier and the first common search space or the first terminal-specific search space.
10. A device comprising:
a processor; and
a computer readable storage medium storing computer program for execution by the processor, the computer program including instructions to cause the device to:
determine a first time domain resource position for transmitting a first signal; and
enable a signal amplification function of the device at or before a start position of the first time domain resource position;
wherein the computer program comprises further instructions to cause the device to:
receive a second signal from a network device, wherein the second signal comprises information used to indicate the first time domain resource position; and
parse the second signal by using a first radio network temporary identifier, to obtain the first time domain resource position, wherein the first radio network temporary identifier is a radio network identifier used by a first remote terminal device to parse the second signal, and the first remote terminal device is a terminal device that receives the second signal.
11. The device according to claim 10 , wherein the second signal is a first downlink control message carried on a first physical downlink control channel, and the first signal is first downlink data carried on a first physical downlink shared channel;
the second signal is a second downlink control message carried on a second physical downlink control channel, and the first signal is first uplink data carried on a first physical uplink shared channel;
the second signal is a random access response (RAR), and the first signal is a message in a random access process; or
the second signal is second downlink data carried on a second physical downlink shared channel, and the first signal is a third downlink control message carried on a third physical downlink control channel.
12. The device according to claim 10 , wherein the computer program further comprises instructions to cause the device to:
determine a first common search space or a first terminal-specific search space corresponding to a second time domain resource position for transmitting the second signal; and
determine the first radio network temporary identifier based on the first common search space or the first terminal-specific search space and a prestored mapping relationship between the first radio network temporary identifier and the first common search space or the first terminal-specific search space.