Method and apparatus for transmitting and receiving uplink signal, storage medium, and electronic device
The present disclosure provides a method and apparatus for transmitting and receiving an uplink signal, a storage medium, and an electronic device. The transmitting method includes: a second communication node receives configuration information transmitted by a first communication node through physical downlink control signaling or high-layer signaling, and the second communication node transmits an uplink signal to the first communication node based on the configuration information; or a second communication node transmits, according to a rule appointed with a first communication node, an uplink signal to the first communication node.
1. A method for transmitting an uplink signal, comprising:
receiving, by a second communication node, configuration information transmitted by a first communication node through physical downlink control signaling or high-layer signaling, and transmitting, by the second communication node, an uplink signal to the first communication node based on the configuration information, wherein the configuration information comprises one or more slot offsets;
or,
transmitting, by a second communication node according to a rule appointed with a first communication node, an uplink signal to the first communication node;
wherein transmitting, by the second communication node, an uplink signal to the first communication node based on the configuration information comprises: in a case where the number of the one or more slot offsets in the configuration information is 1 and reference signal resources in a reference signal resource set configured by the first communication node for the second communication node are distributed in slot 1 and slot 2, transmitting, by the second communication node, the uplink signal to the first communication node in slot 1 and slot 2; and in a case where the number of the one or more slot offsets in the configuration information is 2, reference signal resources in a reference signal resource set configured by the first communication node for the second communication node are distributed in slot 1 and slot 2, the number of reference signal resources in slot 1 is 2 and the number of reference signal resources in slot 2 is 2, transmitting, by the second communication node, the uplink signal to the first communication node in slot 1 and slot 2.
2. The method according to claim 1 , wherein the uplink signal comprises a first uplink signal and a second uplink signal, and the appointed rule comprises one of the following:
an antenna port used for transmitting the first uplink signal is consistent with an antenna port used for transmitting the second uplink signal on an adjacent time domain symbol in a slot in which the first uplink signal is transmitted;
when a Modulation and Coding Scheme (MCS) index of the second uplink signal is less than or equal to a preset value, the second uplink signal on a specified number of time domain symbols at an adjacent time domain position of the first uplink signal is punctured; when the MCS index of the second uplink signal is greater than the preset value, the first uplink signal on a specified number of time domain symbols at an adjacent time domain position of the second uplink signal is punctured, or the first uplink signal is not transmitted at an adjacent time domain position of the second uplink signal;
a guard period with a length of Y symbols is reserved between the first uplink signal and the second uplink signal, wherein the value of Y is related to a subcarrier interval used by the second communication node; and
the second communication node decides to puncture the second uplink signal on a specified number of time domain symbols, or the second communication node decides whether to transmit the first uplink signal at an adjacent time domain symbol position of the second uplink signal.
3. The method according to claim 2 , wherein the rule that an antenna port used for transmitting the first uplink signal is consistent with an antenna port used for transmitting the second uplink signal on an adjacent time domain symbol in a slot in which the first uplink signal is transmitted comprises one of the following:
when the first uplink signal is configured to adopt antenna switching transmission, an antenna port used at a first time domain symbol for transmitting the first uplink signal is consistent with an antenna port used for transmitting the second uplink signal in the same slot; and
when the first uplink signal is configured to adopt antenna switching transmission, an antenna port used for transmitting the first uplink signal at a time domain position corresponding to the first reference signal resource is consistent with an antenna port used for transmitting the second uplink signal in the same slot.
4. The method according to claim 2 , wherein the rule that a guard period with a length of Y symbols is reserved between the first uplink signal and the second uplink signal comprises:
when an antenna port used for the first uplink signal is inconsistent with an antenna port used for the second uplink signal, the guard period with the length of Y symbols is reserved between the first uplink signal and the second uplink signal.
5. The method according to claim 1 , wherein the uplink signal is distributed at a first time domain position and a second time domain position,
the first time domain position comprises one of the following: a time domain position of a guard period between a downlink control region and a Physical Uplink Shared Channel (PUSCH), a time domain position of a guard period between a downlink control region and a Physical Uplink Control Channel (PUCCH), a time domain position of a guard period between a downlink control region and an uplink De-Modulation Reference Signal (DMRS), and a position of first N time domain symbols of a slot, wherein N is a positive integer less than or equal to 14; and
the second time domain position comprises one of the following: a position of the last M time domain symbols of a slot, wherein M is a positive integer less than or equal to 14.
6. The method according to claim 5 , wherein in a case where an antenna port used for a Sounding Reference Signal (SRS) at the first time domain position is inconsistent with an antenna port used for the uplink DMRS, a guard period with a length of Y symbols is reserved between the SRS and the uplink DMRS.
7. The method according to claim 5 , wherein
the uplink signal located at the first time domain position and the uplink signal located at the second time domain position belong to uplink signals corresponding to different resources in a same reference signal resource set;
or,
the uplink signal located at the first time domain position and the uplink signal located at the second time domain position respectively belong to uplink signals corresponding to resources in different reference signal resource sets.
8. The method according to claim 1 , wherein a sounding reference resource set configured by the first communication node to the second communication node occupies K slots, or sounding reference signal resources in a sounding reference resource set configured by the first communication node to the second communication node are distributed in K slots, wherein K is an integer greater than 1.
9. The method according to claim 8 , wherein in the K slots, starting from the second slot, Y symbols are reserved between an SRS at the first occupied time domain symbol position and a PUSCH or PUCCH or uplink DMRS as a guard period.
10. The method according to claim 9 , wherein the value of Y is the same as the number of time domain symbols occupied by a guard period between SRS resources in a slot.
11. The method according to claim 2 , wherein the first uplink signal is an SRS, and the second uplink signal comprises at least one of the following: an uplink DMRS, an uplink signal for random access, a PUSCH signal, a phase tracking reference signal, and a PUCCH signal.
12. A method for receiving an uplink signal, comprising:
transmitting, by a first communication node, configuration information to a second communication node through physical downlink control signaling or high-layer signaling, and receiving, by the first communication node, an uplink signal transmitted by the second communication node based on the configuration information, wherein the configuration information comprises one or more slot offsets;
or,
receiving, by a first communication node according to a rule appointed with a second communication node, an uplink signal transmitted by the second communication node;
wherein receiving, by the first communication node, an uplink signal transmitted by the second communication node based on the configuration information comprises: in a case where the number of the one or more slot offsets in the configuration information is 1 and reference signal resources in a reference signal resource set configured by the first communication node for the second communication node are distributed in slot 1 and slot 2, receiving, by the first communication node, the uplink signal transmitted by the second communication node in slot 1 and slot 2; and in a case where the number of the one or more slot offsets in the configuration information is 2, reference signal resources in a reference signal resource set configured by the first communication node for the second communication node are distributed in slot 1 and slot 2, the number of reference signal resources in slot 1 is 2 and the number of reference signal resources in slot 2 is 2, receiving, by the first communication node, the uplink signal transmitted by the second communication node in slot 1 and slot 2.
13. The method according to claim 12 , wherein the uplink signal comprises a first uplink signal and a second uplink signal, and the appointed rule comprises one of the following:
an antenna port used for transmitting the first uplink signal is consistent with an antenna port used for transmitting the second uplink signal on an adjacent time domain symbol in a slot in which the first uplink signal is transmitted;
when a Modulation and Coding Scheme (MCS) index of the second uplink signal is less than or equal to a preset value, the second uplink signal on a specified number of time domain symbols at an adjacent time domain position of the first uplink signal is punctured; when the MCS index of the second uplink signal is greater than the preset value, the first uplink signal on a specified number of time domain symbols at an adjacent time domain position of the second uplink signal is punctured, or the first uplink signal is not transmitted at an adjacent time domain position of the second uplink signal;
a guard period with a length of Y symbols is reserved between the first uplink signal and the second uplink signal, wherein the value of Y is related to a subcarrier interval used by the second communication node; and
the second communication node decides to puncture the second uplink signal on a specified number of time domain symbols, or the second communication node decides whether to transmit the first uplink signal at an adjacent time domain symbol position of the second uplink signal.
14. The method according to claim 13 , wherein the rule that an antenna port used for transmitting the first uplink signal is consistent with an antenna port used for transmitting the second uplink signal on an adjacent time domain symbol in a slot in which the first uplink signal is transmitted comprises one of the following:
when the first uplink signal is configured to adopt antenna switching transmission, an antenna port used at a first time domain symbol for transmitting the first uplink signal is consistent with an antenna port used for transmitting the second uplink signal in the same slot; and
when the first uplink signal is configured to adopt antenna switching transmission, an antenna port used for transmitting the first uplink signal at a time domain position corresponding to the first reference signal resource is consistent with an antenna port used for transmitting the second uplink signal in the same slot.
15. The method according to claim 13 , wherein the rule that a guard period with a length of Y symbols is reserved between the first uplink signal and the second uplink signal comprises:
when an antenna port used for the first uplink signal is inconsistent with an antenna port used for the second uplink signal, the guard period with the length of Y symbols is reserved between the first uplink signal and the second uplink signal.
16. The method according to claim 12 , wherein the uplink signal is distributed at a first time domain position and a second time domain position,
the first time domain position comprises one of the following: a time domain position of a guard period between a downlink control region and a Physical Uplink Shared Channel (PUSCH), a time domain position of a guard period between a downlink control region and a Physical Uplink Control Channel (PUCCH), a time domain position of a guard period between a downlink control region and an uplink De-Modulation Reference Signal (DMRS), and a position of first N time domain symbols of a slot, wherein N is a positive integer less than or equal to 14; and
the second time domain position comprises one of the following: a position of the last M time domain symbols of a slot, wherein M is a positive integer less than or equal to 14.
17. An apparatus for transmitting an uplink signal, comprising a memory and a processor, wherein the memory stores a computer program, and the processor is configured to execute the computer program to perform the method according to claim 1 .
18. An apparatus for receiving an uplink signal, comprising: a memory and a processor, wherein the memory stores a computer program, and the processor is configured to execute the computer program to perform the method according to claim 12 .