Method and apparatus for re mapping and rate matching for 5G next radio system

1. A user equipment (UE) for receiving resource information, the UE comprising:

a transceiver configured to:

receive, from a base station (BS), a synchronization signal/physical broadcast channel (SS/PBCH) including a master information block (MIB);

receive, from the BS, SystemInformationBlockType1 (SIB1) comprising a first SS/PBCH burst set composition indicator (ssb-PositionsInBurst) indicating indexes of SS/PBCH blocks for which the UE does not receive other signals or channels in resource elements (REs) that overlap with REs corresponding to the SS/PBCH blocks; and

receive, from the BS, a set of higher layer parameters including a second ssb-PositionsInBurst indicating the indexes of the SS/PBCH blocks for which the UE does not receive the other signals or channels in the REs that overlap with the REs corresponding to the SS/PBCH blocks, wherein configuration information included in the second ssb-PositionsInBurst overrides configuration information included in the first ssb-PositionsInBurst; and

a processor operably connected to the transceiver, the processor configured to determine the first ssb-PositionsInBurst and the second ssb-PositionsInBurst for receiving resource information.

2. The UE of claim 1 , wherein:

the transceiver is further configured to receive, from the BS, a physical downlink shared channel (PDSCH); and

the processor is further configured to:

determine whether PDSCH resources allocated to the PDSCH are overlapped with REs corresponding to the SS/PBCH blocks; and

determine that the PDSCH is rate matched when the PDSCH resources allocated to the PDSCH are overlapped with the REs corresponding to the SS/PBCH blocks.

3. The UE of claim 1 , wherein the processor is further configured to determine a periodicity of SS/PBCH block transmission resources based on SSB-periodicity-serving-cell information received from the BS.

4. The UE of claim 1 , wherein the processor is further configured to:

determine whether a PDSCH conveys a random access response (RAR), other system information (OSI), paging information, and message 4 (Msg4); and

apply the first ssb-PositionsInBurst for a SS/PBCH block transmission when the PDSCH conveys the RAR, the OSI, the paging information, and Msg4.

5. The UE of claim 1 , wherein the SS/PBCH blocks are not transmitted in REs used by the UE when receiving a PDSCH conveying an SIB1.

6. The UE of claim 1 , wherein the processor is further configured to:

determine whether the first ssb-PositionsInBurst and the second ssb-PositionsInBurst are received; and

determine whether at least one RE for monitoring a physical downlink control channel (PDCCH) candidate for a downlink control information (DCI) format with a cyclic redundancy check (CRC) that is not scrambled by a system information-radio network temporary identifier (SI-RNTI) on a serving cell overlaps with the at least one RE corresponding to an SS/PBCH block index provided by the first ssb-PositionsInBurst.

7. The UE of claim 6 , wherein the processor is further configured to determine that the SS/PBCH block is not transmitted in REs used for monitoring the PDCCH candidate on the serving cell when the first ssb-PositionsInBurst and the second ssb-PositionsInBurst are not received for the serving cell and the UE monitors the PDCCH candidate for a Type0-PDCCH common search space on the serving cell.

8. A base station (BS) for transmitting resource information, the BS comprising:

a processor configured to determine a first synchronization signal/physical broadcast channel (SS/PBCH) burst set composition indicator (ssb-PositionsInBurst) and a second ssb-PositionsInBurst for transmitting resource information; and

a transceiver operably connected to the processor, the transceiver configured to:

transmit, to a user equipment (UE), the SS/PBCH including a master information block (MIB);

transmit, to the UE, SystemInformationBlockType1 (SIB1) comprising the first ssb-PositionsInBurst indicating indexes of SS/PBCH blocks; and

transmit, to the UE, a set of higher layer parameters including the second ssb-PositionsInBurst indicating the indexes of the SS/PBCH blocks, wherein configuration information included in the second ssb-PositionsInBurst overrides configuration information included in the first ssb-PositionsInBurst.

9. The BS of claim 8 , wherein the transceiver is further configured to transmit, to the UE, a physical downlink shared channel (PDSCH), and wherein:

PDSCH resources allocated to the PDSCH are overlapped with REs corresponding to the SS/PBCH blocks; and

the PDSCH is rate matched when the PDSCH resources allocated to the PDSCH are overlapped with the REs corresponding to the SS/PBCH blocks.

10. The BS of claim 8 , wherein a periodicity of SS/PBCH block transmission resources is determined based on SSB-periodicity-serving-cell information transmitted to the UE.

11. The BS of claim 8 , wherein the processor is further configured to determine a PDSCH conveying a random access response (RAR), other system information (OSI), paging information, and message 4 (Msg4), and wherein the first ssb-PositionsInBurst for a SS/PBCH block transmission is applied by the UE when the PDSCH conveys the RAR, the OSI, the paging information, and Msg4.

12. The BS of claim 8 , wherein the SS/PBCH blocks are not transmitted in REs used by the UE when receiving a PDSCH conveying an SIB1.

13. The BS of claim 8 , wherein the transceiver is further configured to transmit at least one RE for monitoring a physical downlink control channel (PDCCH) candidate, by the UE, for a downlink control information (DCI) format with a cyclic redundancy check (CRC) is not scrambled by a system information-radio network temporary identifier (SI-RNTI) on a serving cell overlaps with the at least one RE corresponding to an SS/PBCH block index provided by the first ssb-PositionsInBurst.

14. A method of a user equipment (UE) for receiving resource information, the method comprising:

receiving, from a base station (BS), a synchronization signal/physical broadcast channel (SS/PBCH) including a master information block (MIB);

receiving, from the BS, SystemInformationBlockType1 (SIB1) comprising a first SS/PBCH burst set composition indicator (ssb-PositionsInBurst) indicating indexes of SS/PBCH blocks for which the UE does not receive other signals or channels in resource elements (REs) that overlap with REs corresponding to the SS/PBCH blocks;

receiving, from the BS, a set of higher layer parameters including a second ssb-PositionsInBurst indicating the indexes of the SS/PBCH blocks for which the UE does not receive the other signals or channels in the REs that overlap with the REs corresponding to the SS/PBCH blocks, wherein configuration information included in the second ssb-PositionsInBurst overrides configuration information included in the first ssb-PositionsInBurst; and

determining the first ssb-PositionsInBurst and the second ssb-PositionsInBurst for receiving resource information.

15. The method of claim 14 , further comprising:

receiving, from the BS, a physical downlink shared channel (PDSCH); and

determining whether PDSCH resources allocated to the PDSCH are overlapped with REs corresponding to the SS/PBCH blocks; and

determining that the PDSCH is rate matched when the PDSCH resources allocated to the PDSCH are overlapped with the REs corresponding to the SS/PBCH blocks.

16. The method of claim 14 , further comprising determining a periodicity of SS/PBCH block transmission resources based on SSB-periodicity-serving-cell information received from the BS.

17. The method of claim 14 , further comprising:

determining whether a PDSCH conveys a random access response (RAR), other system information (OSI), paging information, and message 4 (Msg4); and

applying the first ssb-PositionsInBurst for a SS/PBCH block transmission when the PDSCH conveys the RAR, the OSI, the paging information, and Msg4.

18. The method of claim 14 , wherein the SS/PBCH blocks are not transmitted in REs used by the UE when receiving a PDSCH conveying an SIB1.

19. The method of claim 14 , further comprising:

determining whether the first ssb-PositionsInBurst and the second ssb-PositionsInBurst are received; and

determining whether at least one RE for monitoring a physical downlink control channel (PDCCH) candidate for a downlink control information (DCI) format with a cyclic redundancy check (CRC) that is not scrambled by a system information-radio network temporary identifier (SI-RNTI) on a serving cell overlaps with the at least one RE corresponding to an SS/PBCH block index provided by the first ssb-PositionsInBurst.

20. The method of claim 19 , further comprising determining that the SS/PBCH block is not transmitted in REs used for monitoring the PDCCH candidate on the serving cell when the first ssb-PositionsInBurst and the second ssb-PositionsInBurst are not received for the serving cell and the UE monitors the PDCCH candidate for a Type0-PDCCH common search space on the serving cell.