Method and device in communication node used for wireless communication

1. A first node for wireless communication, comprising:

a first receiver, to receive a first signaling, the first signaling being used for indicating a first time-frequency resource group, the first time-frequency resource group is time-frequency resources allocated to a Physical Uplink Shared Channel (PUSCH), the first time-frequency resource group includes a positive integer number of Resource Elements (REs), and the first time-frequency resource group being reserved for a first bit block, the first bit block includes one Transport Block (TB); and to receive a second signaling, the second signaling being used for determining a second time-frequency resource group, the second time-frequency resource group includes a positive integer number of REs, and the second time-frequency resource group being reserved for a second bit block; the second time-frequency resource group is time-frequency resources allocated to a PUSCH, the second bit block includes one TB, or, the second time-frequency resource group is time-frequency resources allocated to a Physical Uplink Control CHannel (PUCCH), the second bit block includes Uplink Control Information (UCI), the UCI includes a Hybrid Automatic Repeat reQuest ACKnowledgement (HARQ-ACK), or the UCI includes Channel State Information (CSI), or the UCI includes at least one of a HARQ-ACK and a CSI; and

a first transmitter, to transmit the first bit block in time-frequency resources in the first time-frequency resource group other than a first resource subgroup, and to transmit the second bit block in the second time-frequency resource group; the first resource subgroup includes a positive integer number of RE(s);

wherein the first time-frequency resource group and the second time-frequency resource group are partially overlapping, and the first time-frequency resource group comprises the first resource subgroup; time-frequency resources in the first time-frequency resource group other than the first resource subgroup are orthogonal to time-frequency resources occupied by the second time-frequency resource group; the first signaling is used for determining a first index group, and the second signaling is used for determining a second index group; the first index group belongs to one of K index sets, the second index group belongs to one of K index sets, and any two of the K index sets are different; whether the first index group and the second index group belong to one same index set among the K index sets is used for determining the first resource subgroup; the first index group comprises a positive integer number of index(es), the second index group comprises a positive integer number of index(es), any one of the K index sets comprises a positive integer number of index(es), and K is a positive integer greater than 1.

2. The first node according to claim 1 , wherein when the first index group and the second index group belong to two index sets among the K index sets respectively, the first resource subgroup comprises all time-frequency resources in the first time-frequency resource group that are overlapping with time-frequency resources occupied by the second time-frequency resource group.

3. The first node according to claim 1 , wherein when the first index group and the second index group belong to one same index set among the K index sets, the first resource subgroup comprises all time-frequency resources in the first time-frequency resource group that are overlapping in time domain with the second time-frequency resource group.

4. The first node according to claim 1 , wherein time-frequency resources occupied by the first signaling and time-frequency resources occupied by the second signaling belong to two of N time-frequency resource sets respectively, the N time-frequency resource sets include N COntrol-REsource SETs (CORESETs) respectively, or the N time-frequency resource sets include N search spaces respectively, or the N time-frequency resource sets include N PDCCH candidates respectively;

or, the first signaling carries a first identifier, the second signaling carries a second identifier, the first identifier and the second identifier are two different non-negative integers respectively;

or, the first signaling is used for determining a first Modulation and Coding Scheme (MCS) set, the second signaling is used for determining a second MCS set, and a target Block Error Rate (BLER) of the first MCS set is greater than a target BLER of the second MCS set.

5. The first node according to claim 1 , wherein any one index in the first index group is an index of a first-type reference signal, any one index in the second index group is an index of a first-type reference signal, and any one index in the K index sets is an index of a first-type reference signal; the first-type reference signal includes an uplink reference signal, or the first-type reference signal includes a downlink reference signal, or the first-type reference signal includes at least one of an uplink reference signal and a downlink reference signal;

or, the first index group includes one index only, the second index group includes one index only, and any one of the K index sets includes one index only;

or, the K index sets are K reference signal set indexes respectively, the first index group is one of the K reference signal set indexes, the second index group is one of the K reference signal set indexes, and any one of the K reference signal sets includes at least one of a downlink reference signal or an uplink reference signal.

6. A second node for wireless communication, comprising:

a second transmitter, to transmit a first signaling, the first signaling being used for indicating a first time-frequency resource group, the first time-frequency resource group is time-frequency resources allocated to a Physical Uplink Shared Channel (PUSCH), the first time-frequency resource group includes a positive integer number of Resource Elements (REs), and the first time-frequency resource group being reserved for a first bit block, the first bit block includes one Transport Block (TB); and to transmit a second signaling, the second signaling being used for determining a second time-frequency resource group, the second time-frequency resource group includes a positive integer number of REs, and the second time-frequency resource group being reserved for a second bit block; the second time-frequency resource group is time-frequency resources allocated to a PUSCH, the second bit block includes one TB, or, the second time-frequency resource group is time-frequency resources allocated to a Physical Uplink Control CHannel (PUCCH), the second bit block includes Uplink Control Information (UCI), the UCI includes a Hybrid Automatic Repeat reQuest ACKnowledgement (HARQ-ACK), or the UCI includes Channel State Information (CSI), or the UCI includes at least one of a HARQ-ACK and a CSI; and

a second receiver, to receive the first bit block in time-frequency resources in the first time-frequency resource group other than a first resource subgroup, and to receive the second bit block in the second time-frequency resource group; the first resource subgroup includes a positive integer number of RE(s);

wherein the first time-frequency resource group and the second time-frequency resource group are partially overlapping, and the first time-frequency resource group comprises the first resource subgroup; time-frequency resources in the first time-frequency resource group other than the first resource subgroup are orthogonal to time-frequency resources occupied by the second time-frequency resource group; the first signaling is used for determining a first index group, and the second signaling is used for determining a second index group; the first index group belongs to one of K index sets, the second index group belongs to one of K index sets, and any two of the K index sets are different; whether the first index group and the second index group belong to one same index set among the K index sets is used for determining the first resource subgroup; the first index group comprises a positive integer number of index(es), the second index group comprises a positive integer number of index(es), any one of the K index sets comprises a positive integer number of index(es), and K is a positive integer greater than 1.

7. The second node according to claim 6 , wherein when the first index group and the second index group belong to two index sets among the K index sets respectively, the first resource subgroup comprises all time-frequency resources in the first time-frequency resource group that are overlapping with time-frequency resources occupied by the second time-frequency resource group.

8. The second node according to claim 6 , wherein when the first index group and the second index group belong to one same index set among the K index sets, the first resource subgroup comprises all time-frequency resources in the first time-frequency resource group that are overlapping in time domain with the second time-frequency resource group.

9. The second node according to claim 6 , wherein time-frequency resources occupied by the first signaling and time-frequency resources occupied by the second signaling belong to two of N time-frequency resource sets respectively, the N time-frequency resource sets include N COntrol-REsource SETs (CORESETs) respectively, or the N time-frequency resource sets include N search spaces respectively, or the N time-frequency resource sets include N PDCCH candidates respectively;

or, the first signaling carries a first identifier, the second signaling carries a second identifier, the first identifier and the second identifier are two different non-negative integers respectively;

or, the first signaling is used for determining a first Modulation and Coding Scheme (MCS) set, the second signaling is used for determining a second MCS set, and a target Block Error Rate (BLER) of the first MCS set is greater than a target BLER of the second MCS set.

10. The second node according to claim 6 , wherein any one index in the first index group is an index of a first-type reference signal, any one index in the second index group is an index of a first-type reference signal, and any one index in the K index sets is an index of a first-type reference signal; the first-type reference signal includes an uplink reference signal, or the first-type reference signal includes a downlink reference signal, or the first-type reference signal includes at least one of an uplink reference signal and a downlink reference signal;

or, the first index group includes one index only, the second index group includes one index only, and any one of the K index sets includes one index only;

or, the K index sets are K reference signal set indexes respectively, the first index group is one of the K reference signal set indexes, the second index group is one of the K reference signal set indexes, and any one of the K reference signal sets includes at least one of a downlink reference signal or an uplink reference signal.

11. A method in a first node for wireless communication, comprising:

receiving a first signaling, the first signaling being used for indicating a first time-frequency resource group, the first time-frequency resource group is time-frequency resources allocated to a Physical Uplink Shared Channel (PUSCH), the first time-frequency resource group includes a positive integer number of Resource Elements (REs), and the first time-frequency resource group being reserved for a first bit block, the first bit block includes one Transport Block (TB);

receiving a second signaling, the second signaling being used for determining a second time-frequency resource group, the second time-frequency resource group includes a positive integer number of REs, and the second time-frequency resource group being reserved for a second bit block; the second time-frequency resource group is time-frequency resources allocated to a PUSCH, the second bit block includes one TB, or, the second time-frequency resource group is time-frequency resources allocated to a Physical Uplink Control CHannel (PUCCH), the second bit block includes Uplink Control Information (UCI), the UCI includes a Hybrid Automatic Repeat reQuest ACKnowledgement (HARQ-ACK), or the UCI includes Channel State Information (CSI), or the UCI includes at least one of a HARQ-ACK and a CSI; and

transmitting the first bit block in time-frequency resources in the first time-frequency resource group other than a first resource subgroup; the first resource subgroup includes a positive integer number of RE(s); and

transmitting the second bit block in the second time-frequency resource group;

wherein the first time-frequency resource group and the second time-frequency resource group are partially overlapping, and the first time-frequency resource group comprises the first resource subgroup; time-frequency resources in the first time-frequency resource group other than the first resource subgroup are orthogonal to time-frequency resources occupied by the second time-frequency resource group; the first signaling is used for determining a first index group, and the second signaling is used for determining a second index group; the first index group belongs to one of K index sets, the second index group belongs to one of K index sets, and any two of the K index sets are different; whether the first index group and the second index group belong to one same index set among the K index sets is used for determining the first resource subgroup; the first index group comprises a positive integer number of index(es), the second index group comprises a positive integer number of index(es), any one of the K index sets comprises a positive integer number of index(es), and K is a positive integer greater than 1.

12. The method according to claim 11 , wherein when the first index group and the second index group belong to two index sets among the K index sets respectively, the first resource subgroup comprises all time-frequency resources in the first time-frequency resource group that are overlapping with time-frequency resources occupied by the second time-frequency resource group.

13. The method according to claim 11 , wherein when the first index group and the second index group belong to one same index set among the K index sets, the first resource subgroup comprises all time-frequency resources in the first time-frequency resource group that are overlapping in time domain with the second time-frequency resource group.

14. The method according to claim 11 , wherein time-frequency resources occupied by the first signaling and time-frequency resources occupied by the second signaling belong to two of N time-frequency resource sets respectively, the N time-frequency resource sets include N COntrol-REsource SETs (CORESETs) respectively, or the N time-frequency resource sets include N search spaces respectively, or the N time-frequency resource sets include N PDCCH candidates respectively;

or, the first signaling is used for determining a first Modulation and Coding Scheme (MCS) set, the second signaling is used for determining a second MCS set, and a target Block Error Rate (BLER) of the first MCS set is greater than a target BLER of the second MCS set.

15. The method according to claim 11 , wherein any one index in the first index group is an index of a first-type reference signal, any one index in the second index group is an index of a first-type reference signal, and any one index in the K index sets is an index of a first-type reference signal;

the first-type reference signal includes an uplink reference signal, or the first-type reference signal includes a downlink reference signal, or the first-type reference signal includes at least one of an uplink reference signal and a downlink reference signal;

or, the first index group includes one index only, the second index group includes one index only, and any one of the K index sets includes one index only;

or, the K index sets are K reference signal set indexes respectively, the first index group is one of the K reference signal set indexes, the second index group is one of the K reference signal set indexes, and any one of the K reference signal sets includes at least one of a downlink reference signal or an uplink reference signal.

16. A method in a second node for wireless communication, comprising:

transmitting a first signaling, the first signaling being used for indicating a first time-frequency resource group, the first time-frequency resource group is time-frequency resources allocated to a Physical Uplink Shared Channel (PUSCH), the first time-frequency resource group includes a positive integer number of Resource Elements (REs), and the first time-frequency resource group being reserved for a first bit block, the first bit block includes one Transport Block (TB);

transmitting a second signaling, the second signaling being used for determining a second time-frequency resource group, the second time-frequency resource group includes a positive integer number of REs, and the second time-frequency resource group being reserved for a second bit block; the second time-frequency resource group is time-frequency resources allocated to a PUSCH, the second bit block includes one TB, or, the second time-frequency resource group is time-frequency resources allocated to a Physical Uplink Control CHannel (PUCCH), the second bit block includes Uplink Control Information (UCI), the UCI includes a Hybrid Automatic Repeat reQuest ACKnowledgement (HARQ-ACK), or the UCI includes Channel State Information (CSI), or the UCI includes at least one of a HARQ-ACK and a CSI;

receiving the first bit block in time-frequency resources in the first time-frequency resource group other than a first resource subgroup, the first resource subgroup includes a positive integer number of RE(s); and

receiving the second bit block in the second time-frequency resource group;

wherein the first time-frequency resource group and the second time-frequency resource group are partially overlapping, and the first time-frequency resource group comprises the first resource subgroup; time-frequency resources in the first time-frequency resource group other than the first resource subgroup are orthogonal to time-frequency resources occupied by the second time-frequency resource group; the first signaling is used for determining a first index group, and the second signaling is used for determining a second index group; the first index group belongs to one of K index sets, the second index group belongs to one of K index sets, and any two of the K index sets are different; whether the first index group and the second index group belong to one same index set among the K index sets is used for determining the first resource subgroup; the first index group comprises a positive integer number of index(es), the second index group comprises a positive integer number of index(es), any one of the K index sets comprises a positive integer number of index(es), and K is a positive integer greater than 1.

17. The method according to claim 16 , wherein when the first index group and the second index group belong to two index sets among the K index sets respectively, the first resource subgroup comprises all time-frequency resources in the first time-frequency resource group that are overlapping with time-frequency resources occupied by the second time-frequency resource group.

18. The method according to claim 16 , wherein when the first index group and the second index group belong to one same index set among the K index sets, the first resource subgroup comprises all time-frequency resources in the first time-frequency resource group that are overlapping in time domain with the second time-frequency resource group.

19. The method according to claim 16 , wherein time-frequency resources occupied by the first signaling and time-frequency resources occupied by the second signaling belong to two of N time-frequency resource sets respectively, the N time-frequency resource sets include N COntrol-REsource SETs (CORESETs) respectively, or the N time-frequency resource sets include N search spaces respectively, or the N time-frequency resource sets include N PDCCH candidates respectively;

or, the first signaling carries a first identifier, the second signaling carries a second identifier, the first identifier and the second identifier are two different non-negative integers respectively;

or, the first signaling is used for determining a first Modulation and Coding Scheme (MCS) set, the second signaling is used for determining a second MCS set, and a target Block Error Rate (BLER) of the first MCS set is greater than a target BLER of the second MCS set.

20. The method according to claim 16 , wherein any one index in the first index group is an index of a first-type reference signal, any one index in the second index group is an index of a first-type reference signal, and any one index in the K index sets is an index of a first-type reference signal; the first-type reference signal includes an uplink reference signal, or the first-type reference signal includes a downlink reference signal, or the first-type reference signal includes at least one of an uplink reference signal and a downlink reference signal;

or, the first index group includes one index only, the second index group includes one index only, and any one of the K index sets includes one index only;

or, the K index sets are K reference signal set indexes respectively, the first index group is one of the K reference signal set indexes, the second index group is one of the K reference signal set indexes, and any one of the K reference signal sets includes at least one of a downlink reference signal or an uplink reference signal.