METHOD AND DEVICE IN NODES USED FOR WIRELESS COMMUNICATION
A first node receives a first information block set, the first information block set is used to configure multiple CORESETs, the multiple CORESETs are configured to N cells; determines a first CORESET from the multiple CORESETs, monitors a PDCCH in only a target CORESET group in the multiple CORESETs in a first time window, the first time window consists of multiple overlapping PDCCH monitoring occasions, the multiple overlapping PDCCH monitoring occasions respectively comprise time-domain resources occupied by PDCCH candidates in the multiple CORESETs; the target CORESET group comprises each CORESET having same QCL properties as the first CORESET among the multiple CORESETs; each of the N cells comprises at least one of two types of symbols in the first time window; a determination of the first CORESET depends on whether at least one of the N cells comprises a first-type symbol in the first time window.
1 . A first node for wireless communications, comprising:
a first receiver, receiving a first information block set, the first information block set being used to configure multiple CORESETs, the multiple CORESETs being configured to N cells, N being a positive integer greater than 1;
a first processor, determining a first CORESET from the multiple CORESETs; and
the first receiver, monitoring a PDCCH in only a target CORESET group in the multiple CORESETs in a first time window, the first time window consisting of multiple overlapping PDCCH monitoring occasions, the multiple overlapping PDCCH monitoring occasions respectively comprising time-domain resources occupied by PDCCH candidates in the multiple CORESETs;
wherein the target CORESET group comprises each CORESET having same QCL properties as the first CORESET among the multiple CORESETs; each of the N cells comprises at least one of two types of symbols in the first time window: a determination of the first CORESET depends on whether at least one of the N cells comprises a first-type symbol in the first time window, and the first-type symbol is one of the two types of symbols.
2 . The first node according to claim 1 , wherein
when there exists a cell comprising the first-type symbol in the first time window among the N cells, a determination of the first CORESET depends on cell(s) comprising the first-type symbol in the first time window among the N cells; or,
when there exists a cell comprising the first-type symbol in the first time window among the N cells, a first cell subgroup comprises cell(s) comprising the first-type symbol in the first time window among the N cells; the first CORESET corresponds to a second CSS set, the second CSS set being a CSS set in the first cell subgroup, or the first CORESET corresponds to a second USS set, the second USS set being a USS set in the first cell subgroup; or,
when there exists a cell comprising the first-type symbol in the first time window among the N cells, the first CORESET corresponds to a first CSS set, the first CSS set being a CSS set with lowest index in a cell with lowest index containing CSS sets, or the first CORESET corresponds to a second USS set, the second USS set being a USS set in a first cell subgroup, and the first cell subgroup comprising cell(s) comprising the first-type symbol in the first time window among the N cells.
3 . The first node according to claim 1 , wherein when each of the N cells does not comprise the first-type symbol in the first time window, the first CORESET corresponds to a first CSS set, the first CSS set being a CSS set with lowest index in a cell with lowest index containing CSS sets, or the first CORESET corresponds to a first USS set, the first USS set being a USS set with lowest index in a cell with lowest index or the first USS set being a USS set with lowest index in a cell with lowest index containing USS sets.
4 . The first node according to claim 1 , comprising:
the first processor, determining a second CORESET;
wherein the second CORESET is one of the multiple CORESETs, and QCL properties of the second CORESET are different from QCL properties of the first CORESET: the target CORESET group also comprises each CORESET having same QCL properties as the second CORESET among the multiple CORESETs.
5 . The first node according to claim 1 , wherein the two types of symbols are configured as DL by higher-layer parameter(s): uplink transmission is supported on one or more resource blocks (RBs) in only the first-type symbol of the two types of symbols, or the other type of symbol in the two types of symbols that is not the first-type symbol is only used for downlink transmission, and at least a part of first-type symbols in a cell comprising the first-type symbol is used for uplink transmission.
6 . A second node for wireless communications, comprising:
a second transmitter, transmitting a first information block set, the first information block set being used to configure multiple CORESETs, the multiple CORESETs being configured to N cells, N being a positive integer greater than 1;
wherein a receiver of the first information block set determines a first CORESET from the multiple CORESETs, and monitors a PDCCH in only a target CORESET group in the multiple CORESETs in a first time window: the first time window consists of multiple overlapping PDCCH monitoring occasions, the multiple overlapping PDCCH monitoring occasions respectively comprise time-domain resources occupied by PDCCH candidates in the multiple CORESETs: the target CORESET group comprises each CORESET having same QCL properties as the first CORESET among the multiple CORESETs: each of the N cells comprises at least one of two types of symbols in the first time window; a determination of the first CORESET depends on whether at least one of the N cells comprises a first-type symbol in the first time window, and the first-type symbol is one of the two types of symbols.
7 . The second node according to claim 6 , wherein
when there exists a cell comprising the first-type symbol in the first time window among the N cells, a determination of the first CORESET depends on cell(s) comprising the first-type symbol in the first time window among the N cells; or,
when there exists a cell comprising the first-type symbol in the first time window among the N cells, a first cell subgroup comprises cell(s) comprising the first-type symbol in the first time window among the N cells; the first CORESET corresponds to a second CSS set, the second CSS set being a CSS set in the first cell subgroup, or the first CORESET corresponds to a second USS set, the second USS set being a USS set in the first cell subgroup; or,
when there exists a cell comprising the first-type symbol in the first time window among the N cells, the first CORESET corresponds to a first CSS set, the first CSS set being a CSS set with lowest index in a cell with lowest index containing CSS sets, or the first CORESET corresponds to a second USS set, the second USS set being a USS set in a first cell subgroup, and the first cell subgroup comprising cell(s) comprising the first-type symbol in the first time window among the N cells.
8 . The second node according to claim 6 , wherein when each of the N cells does not comprise the first-type symbol in the first time window, the first CORESET corresponds to a first CSS set, the first CSS set being a CSS set with lowest index in a cell with lowest index containing CSS sets, or the first CORESET corresponds to a first USS set, the first USS set being a USS set with lowest index in a cell with lowest index or the first USS set being a USS set with lowest index in a cell with lowest index containing USS sets.
9 . The second node according to claim 6 , wherein a receiver of the first information block set determines a second CORESET: wherein the second CORESET is one of the multiple CORESETs, and QCL properties of the second CORESET are different from QCL properties of the first CORESET: the target CORESET group also comprises each CORESET having same QCL properties as the second CORESET among the multiple CORESETs.
10 . The second node according to claim 6 , wherein the two types of symbols are configured as DL by higher-layer parameter(s); uplink transmission is supported on one or more resource blocks (RBs) in only the first-type symbol of the two types of symbols, or the other type of symbol in the two types of symbols that is not the first-type symbol is only used for downlink transmission, and at least a part of first-type symbols in a cell comprising the first-type symbol is used for uplink transmission.
11 . A method in a first node for wireless communications, comprising:
receiving a first information block set, the first information block set being used to configure multiple CORESETs, the multiple CORESETs being configured to N cells, N being a positive integer greater than 1;
determining a first CORESET from the multiple CORESETs; and
monitoring a PDCCH in only a target CORESET group in the multiple CORESETs in a first time window, the first time window consisting of multiple overlapping PDCCH monitoring occasions, the multiple overlapping PDCCH monitoring occasions respectively comprising time-domain resources occupied by PDCCH candidates in the multiple CORESETs;
wherein the target CORESET group comprises each CORESET having same QCL properties as the first CORESET among the multiple CORESETs; each of the N cells comprises at least one of two types of symbols in the first time window: a determination of the first CORESET depends on whether at least one of the N cells comprises a first-type symbol in the first time window, and the first-type symbol is one of the two types of symbols.
12 . The method according to claim 11 , comprising:
when there exists a cell comprising the first-type symbol in the first time window among the N cells, a determination of the first CORESET depends on cell(s) comprising the first-type symbol in the first time window among the N cells; or,
when there exists a cell comprising the first-type symbol in the first time window among the N cells, a first cell subgroup comprises cell(s) comprising the first-type symbol in the first time window among the N cells; the first CORESET corresponds to a second CSS set, the second CSS set being a CSS set in the first cell subgroup, or the first CORESET corresponds to a second USS set, the second USS set being a USS set in the first cell subgroup; or,
when there exists a cell comprising the first-type symbol in the first time window among the N cells, the first CORESET corresponds to a first CSS set, the first CSS set being a CSS set with lowest index in a cell with lowest index containing CSS sets, or the first CORESET corresponds to a second USS set, the second USS set being a USS set in a first cell subgroup, and the first cell subgroup comprising cell(s) comprising the first-type symbol in the first time window among the N cells.
13 . The method according to claim 11 , wherein when each of the N cells does not comprise the first-type symbol in the first time window, the first CORESET corresponds to a first CSS set, the first CSS set being a CSS set with lowest index in a cell with lowest index containing CSS sets, or the first CORESET corresponds to a first USS set, the first USS set being a USS set with lowest index in a cell with lowest index or the first USS set being a USS set with lowest index in a cell with lowest index containing USS sets.
14 . The method according to claim 11 , comprising:
determining a second CORESET;
wherein the second CORESET is one of the multiple CORESETs, and QCL properties of the second CORESET are different from QCL properties of the first CORESET: the target CORESET group also comprises each CORESET having same QCL properties as the second CORESET among the multiple CORESETs.
15 . The method according to claim 11 , wherein the two types of symbols are configured as DL by higher-layer parameter(s); uplink transmission is supported on one or more resource blocks (RBs) in only the first-type symbol of the two types of symbols, or the other type of symbol in the two types of symbols that is not the first-type symbol is only used for downlink transmission, and at least a part of first-type symbols in a cell comprising the first-type symbol is used for uplink transmission.
16 . A method in a second node for wireless communications, comprising:
transmitting a first information block set, the first information block set being used to configure multiple CORESETs, the multiple CORESETs being configured to N cells, N being a positive integer greater than 1;
wherein a receiver of the first information block set determines a first CORESET from the multiple CORESETs, and monitors a PDCCH in only a target CORESET group in the multiple CORESETs in a first time window: the first time window consists of multiple overlapping PDCCH monitoring occasions, the multiple overlapping PDCCH monitoring occasions respectively comprise time-domain resources occupied by PDCCH candidates in the multiple CORESETs: the target CORESET group comprises each CORESET having same QCL properties as the first CORESET among the multiple CORESETs: each of the N cells comprises at least one of two types of symbols in the first time window: a determination of the first CORESET depends on whether at least one of the N cells comprises a first-type symbol in the first time window, and the first-type symbol is one of the two types of symbols.
17 . The method according to claim 16 , comprising:
when there exists a cell comprising the first-type symbol in the first time window among the N cells, a determination of the first CORESET depends on cell(s) comprising the first-type symbol in the first time window among the N cells; or,
when there exists a cell comprising the first-type symbol in the first time window among the N cells, a first cell subgroup comprises cell(s) comprising the first-type symbol in the first time window among the N cells; the first CORESET corresponds to a second CSS set, the second CSS set being a CSS set in the first cell subgroup, or the first CORESET corresponds to a second USS set, the second USS set being a USS set in the first cell subgroup; or,
when there exists a cell comprising the first-type symbol in the first time window among the N cells, the first CORESET corresponds to a first CSS set, the first CSS set being a CSS set with lowest index in a cell with lowest index containing CSS sets, or the first CORESET corresponds to a second USS set, the second USS set being a USS set in a first cell subgroup, and the first cell subgroup comprising cell(s) comprising the first-type symbol in the first time window among the N cells.
18 . The method according to claim 16 , wherein when each of the N cells does not comprise the first-type symbol in the first time window, the first CORESET corresponds to a first CSS set, the first CSS set being a CSS set with lowest index in a cell with lowest index containing CSS sets, or the first CORESET corresponds to a first USS set, the first USS set being a USS set with lowest index in a cell with lowest index or the first USS set being a USS set with lowest index in a cell with lowest index containing USS sets.
19 . The method according to claim 16 , wherein a receiver of the first information block set determines a second CORESET: wherein the second CORESET is one of the multiple CORESETs, and QCL properties of the second CORESET are different from QCL properties of the first CORESET; the target CORESET group also comprises each CORESET having same QCL properties as the second CORESET among the multiple CORESETs.
20 . The method according to claim 16 , wherein the two types of symbols are configured as DL by higher-layer parameter(s): uplink transmission is supported on one or more resource blocks (RBs) in only the first-type symbol of the two types of symbols, or the other type of symbol in the two types of symbols that is not the first-type symbol is only used for downlink transmission, and at least a part of first-type symbols in a cell comprising the first-type symbol is used for uplink transmission.