METHOD AND APPARATUS FOR TRANSMITTING SIGNAL AND COMMUNICATION SYSTEM
Methods and apparatus for transmitting a signal and a communication system. The apparatus includes a receiver configured to: receive a first synchronization signal/physical broadcast channel block (SS/PBCH block, SSB), the first synchronization signal/physical broadcast channel block being not located on a first synchronization raster; and receive physical downlink control channel (PDCCH), the physical downlink control channel (PDCCH) being used to schedule a physical downlink shared channel (PDSCH) for carrying remaining minimum system information/system information block 1 (RMSI/SIB1).
1 . A terminal equipment comprising:
a receiver configured to:
receive a first synchronization signal/physical broadcast channel block (SS/PBCH block, SSB), the first synchronization signal/physical broadcast channel block being not located on a first synchronization raster;
receive physical downlink control channel (PDCCH), the physical downlink control channel (PDCCH) being used to schedule a physical downlink shared channel (PDSCH) for carrying remaining minimum system information/system information block 1 (RMSI/SIB1); and
a processor configured to determine a control resource set (CORESET) used for receiving the PDCCH according to a relative position of a frequency-domain position of a first resource of the CORESET to a frequency-domain position of a second resource of a second SSB, the second SSB being located on the first synchronization raster.
2 . The terminal equipment according to claim 1 , wherein, the relative position comprise an offset between a first RB (Resource Blocks) of the CORESET and a first common RB overlapping with the first RB of the second SSB.
3 . The terminal equipment according to claim 2 , wherein, the offset is indicated by a first information carried by the first SSB.
4 . The terminal equipment according to claim 1 , wherein
the processor is further configured to determine the CORESET according to an offset from a subcarrier of the first SSB and a subcarrier of a first common RB.
5 . The terminal equipment according to claim 1 , wherein
a relationship between the CORESET and the frequency-domain position of the first SSB is predefined.
6 . The terminal equipment according to claim 1 , wherein
the CORESET and the first SSB are located in a same sub-band.
7 . The terminal equipment according to claim 1 , wherein
the first SSB includes indication information includes indication information which is used to indicate the frequency-domain position of the CORESET.
8 . The terminal equipment according to claim 1 , wherein
the first SSB includes indication information includes indication information which indicates the frequency-domain position of the CORESET based on a reference frequency-domain position.
9 . The terminal equipment according to claim 1 , wherein,
the relative position is in a number of resource blocks.
10 . A network device comprising:
a transmitter configured to:
transmit a first synchronization signal/physical broadcast channel block (SS/PBCH block, SSB), the first synchronization signal/physical broadcast channel block being not located on a first synchronization raster, and
transmit a physical downlink control channel (PDCCH), the physical downlink control channel (PDCCH) being used to schedule a physical downlink shared channel (PDSCH) for carrying remaining minimum system information/system information block 1 (RMSI/SIB1); and
a processor configured to determine a control resource set (CORESET) used for transmitting the PDCCH according to a relative position of a frequency-domain position of a first resource of the CORESET to a frequency-domain position of a second resource of a second SSB, the second SSB being located on the first synchronization raster, wherein
the transmitter is further configured to transmit the PDCCH on a third resource which is included in the CORESET.
11 . The network device according to claim 10 , wherein, the relative position comprise an offset between a first RB (Resource Blocks) of the CORESET and a first common RB overlapping with the first RB of the second SSB.
12 . The network device according to claim 11 , wherein, the offset is indicated by a first information carried by the first SSB.
13 . The terminal equipment according to claim 10 , wherein
the processor is further configured to determine the CORESET according to an offset from a subcarrier of the first SSB and a subcarrier of a first common RB.
14 . A wireless communication system comprising:
a network device configured to:
transmit a first synchronization signal/physical broadcast channel block (SS/PBCH block, SSB), the first synchronization signal/physical broadcast channel block being not located on a first synchronization raster, and
transmit physical downlink control channel (PDCCH), the physical downlink control channel (PDCCH) being used to schedule a physical downlink shared channel (PDSCH) for carrying remaining minimum system information/system information block 1 (RMSI/SIB1); and
a terminal equipment configured to:
receive the first SSB from the network device,
receive the PDCCH from the network device, and
determine a control resource set (CORESET) used for receiving the PDCCH according to a relative position of a frequency-domain position of a first resource of the CORESET to a frequency-domain position of a second resource of a second SSB, the second SSB being located on the first synchronization raster.