Identifying synchronization signal/physical broadcast channel block occasions
Apparatuses, methods, and systems are disclosed for identifying synchronization signal/physical broadcast channel block occasions. One method includes identifying a plurality of synchronization signal/physical broadcast channel block occasions configured to enable reception of a plurality of synchronization signal/physical broadcast channel blocks. A first number of synchronization signal/physical broadcast channel block occasions of the plurality of synchronization signal/physical broadcast channel block occasions is greater than a maximum allowed number of synchronization signal/physical broadcast channel blocks of the plurality of synchronization signal/physical broadcast channel blocks. The method includes receiving the plurality of synchronization signal/physical broadcast channel blocks on a portion of the plurality of synchronization signal/physical broadcast channel block occasions.
1. A method comprising:
identifying a plurality of synchronization signal/physical broadcast channel block occasions defined for a plurality of synchronization signal/physical broadcast channel blocks, wherein a first number of the plurality of synchronization signal/physical broadcast channel block occasions is greater than a maximum number of the plurality of synchronization signal/physical broadcast channel blocks; and
detecting at least one synchronization signal/physical broadcast channel block of the plurality of synchronization signal/physical broadcast channel blocks, wherein the plurality of synchronization signal/physical broadcast channel blocks are associated with a portion of the plurality of synchronization signal/physical broadcast channel block occasions.
2. The method of claim 1 , further comprising:
receiving information about the plurality of synchronization signal/physical broadcast channel blocks;
determining the portion of the plurality of synchronization signal/physical broadcast channel block occasions corresponding to the plurality of synchronization signal/physical broadcast channel blocks; and
determining resource elements on which signals or channels other than the plurality of synchronization signal/physical broadcast channel blocks are not expected to be received, wherein the resource elements are determined based on the portion of the plurality of synchronization signal/physical broadcast channel block occasions determined to correspond to the plurality of synchronization signal/physical broadcast channel blocks.
3. The method of claim 2 , wherein the information is received via a system information block, a dedicated radio resource control message, or a combination thereof.
4. The method of claim 1 , further comprising receiving timing information in the at least one synchronization signal/physical broadcast channel block, wherein the timing information includes at least a system frame number of a radio frame where the at least one synchronization signal/physical broadcast channel block is located.
5. A method comprising:
identifying a plurality of synchronization signal/physical broadcast channel block occasions for transmission of a plurality of synchronization signal/physical broadcast channel blocks, wherein a first number of the plurality of synchronization signal/physical broadcast channel block occasions is greater than a maximum number of the plurality of synchronization signal/physical broadcast channel blocks; and
transmitting the plurality of synchronization signal/physical broadcast channel blocks on a portion of the plurality of synchronization signal/physical broadcast channel block occasions.
6. The method of claim 5 , wherein transmitting the plurality of synchronization signal/physical broadcast channel blocks comprises initiating transmission after sensing a channel being idle for a sensing duration.
7. The method of claim 5 , further comprising transmitting first and second information, wherein the portion of the plurality of synchronization signal/physical broadcast channel block occasions that is occupied by the plurality of synchronization signal/physical broadcast channel blocks is indicated based on the first and second information.
8. The method of claim 7 , wherein signals or physical channels other than the plurality of synchronization signal/physical broadcast channel blocks are not transmitted on resource elements that overlap with the portion of the plurality of synchronization signal/physical broadcast channel block occasions indicated based on the first and second information.
9. The method of claim 7 , wherein the first information is transmitted in a physical broadcast channel.
10. The method of claim 9 , wherein the first information is dependent on a synchronization signal/physical broadcast channel block occasion associated with a synchronization signal/physical broadcast channel block carrying the physical broadcast channel.
11. The method of claim 7 , wherein the second information is transmitted via a system information block, a dedicated radio resource control message, or a combination thereof.
12. The method of claim 7 , wherein the second information comprises a bitmap, and a length of the bitmap is based on the maximum number of the plurality of synchronization signal/physical broadcast channel blocks.
13. An apparatus comprising:
a processor that identifies a plurality of synchronization signal/physical broadcast channel block occasions for transmission of a plurality of synchronization signal/physical broadcast channel blocks, wherein a first number of the plurality of synchronization signal/physical broadcast channel block occasions is greater than a maximum number of the plurality of synchronization signal/physical broadcast channel blocks; and
a transmitter that transmits the plurality of synchronization signal/physical broadcast channel blocks on a portion of the plurality of synchronization signal/physical broadcast channel block occasions.
14. The apparatus of claim 13 , wherein the transmitter transmitting the plurality of synchronization signal/physical broadcast channel blocks comprises the processor initiating transmission after sensing a channel being idle for a sensing duration.
15. The apparatus of claim 13 , wherein the transmitter transmits first and second information, and the portion of the plurality of synchronization signal/physical broadcast channel block occasions that is occupied by the plurality of synchronization signal/physical broadcast channel blocks is indicated based on the first and second information.
16. The apparatus of claim 15 , wherein signals or physical channels other than the plurality of synchronization signal/physical broadcast channel blocks are not transmitted on resource elements that overlap with the portion of the plurality of synchronization signal/physical broadcast channel block occasions indicated based on the first and second information.
17. The apparatus of claim 15 , wherein the first information is transmitted in a physical broadcast channel.
18. The apparatus of claim 17 , wherein the first information is dependent on a synchronization signal/physical broadcast channel block occasion associated with a synchronization signal/physical broadcast channel block carrying the physical broadcast channel.
19. The apparatus of claim 15 , wherein the second information is transmitted via a system information block, a dedicated radio resource control message, or a combination thereof.
20. The apparatus of claim 15 , wherein the second information comprises a bitmap, and a length of the bitmap is based on the maximum number of the plurality of synchronization signal/physical broadcast channel blocks.