SIGNAL RECEPTION METHOD AND APPARATUS AND SYSTEM
A signal reception apparatus, applicable to a terminal equipment, includes: a receiver configured to: receive, from a network device, configuration information of a non-cell-defining synchronization signal and physical broadcast channel block (NCD-SSB) of a serving cell, and receive, from a network device, the NCD-SSB of the serving cell.
1 . A signal reception apparatus, applicable to a terminal equipment, the apparatus comprising:
a receiver configured to:
receive, from a network device, configuration information of a non-cell-defining synchronization signal and physical broadcast channel block (NCD-SSB) of a serving cell, and
receive, from a network device, the NCD-SSB of the serving cell.
2 . The signal reception apparatus according to claim 1 , further comprising:
processor circuitry configured to perform measurement of the serving cell or beam measurement of the serving cell by using the NCD-SSB.
3 . The signal reception apparatus according to claim 1 , wherein the configuration information of the NCD-SSB comprises an absolute frequency point of the NCD-SSB.
4 . The signal reception apparatus according to claim 3 , wherein the configuration information of the NCD-SSB further includes at least one piece of the following information: a period of the NCD-SSB, a subcarrier spacing of the NCD-SSB, transmit power of the NCD-SSB, measurement time configuration of the NCD-SSB, or an SSB index actually transmitted by the NCD-SSB in each half-frame.
5 . The signal reception apparatus according to claim 4 , wherein the period of the NCD-SSB of the serving cell is identical to a period of a CD-SSB of the serving cell; and/or,
the subcarrier spacing of the NCD-SSB of the serving cell is identical to a subcarrier spacing of a CD-SSB of the serving cell; and/or,
the transmit power of the NCD-SSB of the serving cell is identical to transmit power of a CD-SSB of the serving cell; and/or,
the measurement time of the NCD-SSB of the serving cell is identical to a measurement time of a CD-SSB of the serving cell; and/or,
the SSB index actually transmitted in each half-frame of the NCD-SSB of the serving cell is identical to an SSB index actually transmitted in each half-frame of a CD-SSB of the serving cell; and/or,
an NCD-SSB beam of the serving cell is in a quasi-colocated (QCL) relationship with a CD-SSB beam with an index identical thereto of the serving cell.
6 . The signal reception apparatus according to claim 5 , wherein further comprising:
processor circuitry configured to determine the following configuration information of the NCD-SSB according to configuration information of the CD-SSB of the serving cell:
the period of the NCD-SSB, the subcarrier spacing of the NCD-SSB, the transmit power of the NCD-SSB, a measurement time of the NCD-SSB, and the SSB index of the NCD-SSB actually transmitted in each half-frame.
7 . The signal reception apparatus according to claim 1 , wherein the configuration information of the NCD-SSB is carried by an RRC reconfiguration message.
8 . The signal reception apparatus according to claim 7 , wherein the configuration information of the NCD-SSB is included in dedicated configuration of an initial downlink BWP or dedicated configuration or common configuration of dedicated downlink BWP, in cell-specific configuration of a PCELL in the RRC reconfiguration message, or is included in initial downlink BWP configuration in cell-common configuration or cell-specific configuration of SCELL/PSCELL, or is included in common configuration or dedicated configuration of a dedicated downlink BWP in cell-specific configuration of SCELL/PSCELL.
9 . The signal reception apparatus according to claim 7 , wherein configuration of the NCD-SSB is configuration for a specific bandwidth part (BWP) of the serving cell.
10 . The signal reception apparatus according to claim 1 , wherein the configuration information of the NCD-SSB is carried by system information of the serving cell.
11 . The signal reception apparatus according to claim 10 , wherein configuration of the NCD-SSB is configuration for the serving cell, and
the configuration information of the NCD-SSB is included in SIB1, or the configuration information of the NCD-SSB is included in cell-common configuration contained in SIB1.
12 . The signal reception apparatus according to claim 1 , wherein the configuration information of the NCD-SSB is carried by a handover command RRC reconfiguration message.
13 . The signal reception apparatus according to claim 12 , wherein when the frequency range of the NCD-SSB is included in the active downlink BWP of the terminal equipment in the handover command RRC reconfiguration message, the terminal equipment performs measurement in the connected state based on the NCD-SSB after being handed over to the serving cell.
14 . The signal reception apparatus according to claim 1 , wherein, if an initial downlink BWP or a dedicated downlink BWP does not contain a CD-SSB, the receiver receives the configuration information of the NCD-SSB for the serving cell and configuring frequency range of the NCD-SSB contained in the initial downlink BWP or the dedicated downlink BWP.
15 . A signal transmission apparatus, applicable to a network device, the apparatus comprises:
a transmitter configured to:
transmit to a terminal equipment configuration information of an NCD-SSB of a serving cell, and
transmit the NCD-SSB of the serving cell to the terminal equipment.