Channel and sync raster signaling

1. A method for wireless communication, comprising:

identifying a channel raster associated with a plurality of resource blocks of a channel, the plurality of resource blocks having an asymmetric relation with respect to the channel raster; and

transmitting, based at least in part on the asymmetric relation, a message to indicate a resource block offset metric that comprises an indication of the channel raster and location information associated with a first resource block of the plurality of resource blocks.

2. The method of claim 1 , wherein:

the channel is associated with at least one of an uplink channel, a downlink channel, or combinations thereof.

3. The method of claim 1 , wherein:

the message comprises at least one of a broadcast message, a user equipment (UE) specific message, or combinations thereof.

4. The method of claim 1 , further comprising:

identifying, based at least in part on the asymmetric relation, an offset distance between the first resource block and the channel raster, wherein the location information comprises the offset distance.

5. The method of claim 4 , wherein:

the offset distance comprises at least one of a frequency offset or a resource block count offset.

6. The method of claim 1 , further comprising:

identifying, based at least in part on the asymmetric relation, a frequency associated with the first resource block, wherein the location information comprises the frequency.

7. The method of claim 6 , further comprising:

identifying, based at least in part on the asymmetric relation, a resource block count associated with the plurality of resource blocks, wherein the location information comprises the resource block count.

8. The method of claim 1 , further comprising:

identifying a user equipment (UE) capability; and

identifying the channel raster based at least in part on the UE capability.

9. The method of claim 8 , further comprising:

selecting, based at least in part on the UE capability, a signaling scheme to convey the indication of the resource block offset metric.

10. The method of claim 1 , further comprising:

identifying one or more unused resource blocks in the plurality of resource blocks; and

configuring, based at least in part on the one or more unused resource blocks, the message to indicate a location parameter associated with the one or more unused resource blocks.

11. The method of claim 10 , wherein:

the location parameter comprises at least one of an identifier associated with the one or more unused resource blocks, the first resource block and a resource block count associated with contiguous resource blocks, or combinations thereof.

12. The method of claim 10 , wherein:

each of the one or more unused resource blocks comprise a resource block with a predetermined number of unallocated resource elements.

13. The method of claim 1 , further comprising:

identifying a synchronization raster offset between a first channel and a second channel of a band, the first channel and the second channel sharing a common resource block grid; and

transmitting a synchronization signal on each resource block entry of the common resource block grid that is between the synchronization raster offset.

14. The method of claim 13 , wherein:

the synchronization raster offset comprises a 900 KHz raster offset and each resource block entry is located at 100 KHz increments.

15. The method of claim 1 , further comprising:

identifying a synchronization raster offset between a first channel and a second channel of a band, the first channel and the second channel sharing a common resource block grid; and

transmitting a synchronization signal on each channel raster entry that is between two entries that are on the common resource block grid.

16. A method for wireless communication, comprising:

receiving a message that comprises an indication of a resource block offset metric; and

identifying, based at least in part on the resource block offset metric, a channel raster associated with a plurality of resource blocks of a channel, the plurality of resource blocks having an asymmetric relation with respect to the channel raster.

17. The method of claim 16 , wherein:

the message comprises at least one of a broadcast message, a user equipment (UE) specific message, or combinations thereof.

18. The method of claim 16 , further comprising:

identifying, based at least in part on the asymmetric relation, an offset distance between a first resource block and the channel raster, wherein the resource block offset metric comprises the offset distance.

19. The method of claim 18 , wherein:

the offset distance comprises at least one of a frequency offset or a resource block count offset.

20. The method of claim 16 , further comprising:

identifying, based at least in part on the asymmetric relation, a frequency associated with a first resource block, wherein the resource block offset metric comprises the frequency.

21. The method of claim 20 , further comprising:

identifying, based at least in part on the asymmetric relation, a resource block count associated with the plurality of resource blocks, wherein the resource block offset metric comprises the resource block count.

22. The method of claim 16 , further comprising:

determining, based at least in part on the message, that there are one or more unused resource blocks in the plurality of resource blocks; and

identifying, based at least in part on the message, a location parameter associated with the one or more unused resource blocks.

23. The method of claim 22 , wherein:

the location parameter comprises at least one of an identifier associated with the one or more unused resource blocks, a first resource block and a resource block count associated with contiguous resource blocks, or combinations thereof.

24. The method of claim 22 , wherein:

each of the one or more unused resource blocks comprise a resource block with a predetermined number of unallocated resource elements.

25. The method of claim 16 , further comprising:

identifying, based at least in part on the message, a synchronization raster offset between a first channel and a second channel of a band, the first channel and the second channel sharing a common resource block grid; and

monitoring for a synchronization signal on each resource block entry of the common resource block grid that is between the synchronization raster offset.

26. The method of claim 25 , wherein:

the synchronization raster offset comprises a 900 KHz raster offset.

27. The method of claim 16 , further comprising:

identifying, based at least in part on the message, a synchronization raster offset between a first channel and a second channel of a band, the first channel and the second channel sharing a common resource block grid; and

monitoring for a synchronization signal on each channel raster entry that is between two entries that are on the common resource block grid.

28. An apparatus for wireless communication, comprising:

a processor;

memory in electronic communication with the processor; and

instructions stored in the memory and operable, when executed by the processor, to cause the apparatus to:

identify a channel raster associated with a plurality of resource blocks of a channel, the plurality of resource blocks having an asymmetric relation with respect to the channel raster; and

transmit, based at least in part on the asymmetric relation, a message to indicate a resource block offset metric that comprises an indication of the channel raster and location information associated with a first resource block of the plurality of resource blocks.

29. The apparatus of claim 28 , wherein:

the channel is associated with at least one of an uplink channel, a downlink channel, or combinations thereof.

30. The apparatus of claim 28 , wherein:

the message comprises at least one of a broadcast message, a user equipment (UE) specific message, or combinations thereof.

31. The apparatus of claim 28 , wherein the instructions are further executable by the processor to:

identify, based at least in part on the asymmetric relation, an offset distance between the first resource block and the channel raster, wherein the location information comprises the offset distance.

32. The apparatus of claim 31 , wherein:

the offset distance comprises at least one of a frequency offset or a resource block count offset.

33. The apparatus of claim 28 , wherein the instructions are further executable by the processor to:

identify, based at least in part on the asymmetric relation, a frequency associated with the first resource block, wherein the location information comprises the frequency.

34. The apparatus of claim 33 , wherein the instructions are further executable by the processor to:

identify, based at least in part on the asymmetric relation, a resource block count associated with the plurality of resource blocks, wherein the location information comprises the resource block count.

35. The apparatus of claim 28 , wherein the instructions are further executable by the processor to:

identify a user equipment (UE) capability; and

identify the channel raster based at least in part on the UE capability.

36. The apparatus of claim 35 , wherein the instructions are further executable by the processor to:

select, based at least in part on the UE capability, a signaling scheme to convey the indication of the resource block offset metric.

37. The apparatus of claim 28 , wherein the instructions are further executable by the processor to:

identify one or more unused resource blocks in the plurality of resource blocks; and

configure, based at least in part on the one or more unused resource blocks, the message to indicate a location parameter associated with the one or more unused resource blocks.

38. The apparatus of claim 37 , wherein:

the location parameter comprises at least one of an identifier associated with the one or more unused resource blocks, the first resource block and a resource block count associated with contiguous resource blocks, or combinations thereof.

39. The apparatus of claim 37 , wherein:

each of the one or more unused resource blocks comprise a resource block with a predetermined number of unallocated resource elements.

40. The apparatus of claim 28 , wherein the instructions are further executable by the processor to:

identify a synchronization raster offset between a first channel and a second channel of a band, the first channel and the second channel sharing a common resource block grid; and

transmit a synchronization signal on each resource block entry of the common resource block grid that is between the synchronization raster offset.

41. The apparatus of claim 40 , wherein:

the synchronization raster offset comprises a 900 KHz raster offset and each resource block entry is located at 100 KHz increments.

42. The apparatus of claim 28 , wherein the instructions are further executable by the processor to:

identify a synchronization raster offset between a first channel and a second channel of a band, the first channel and the second channel sharing a common resource block grid; and

transmit a synchronization signal on each channel raster entry that is between two entries that are on the common resource block grid.

43. An apparatus for wireless communication, comprising:

a processor;

memory in electronic communication with the processor; and

instructions stored in the memory and operable, when executed by the processor, to cause the apparatus to:

receive a message that comprises an indication of a resource block offset metric; and

identify, based at least in part on the resource block offset metric, a channel raster associated with a plurality of resource blocks of a channel, the plurality of resource blocks having an asymmetric relation with respect to the channel raster.

44. The apparatus of claim 43 , wherein:

the message comprises at least one of a broadcast message, a user equipment (UE) specific message, or combinations thereof.

45. The apparatus of claim 43 , wherein the instructions are further executable by the processor to:

identify, based at least in part on the asymmetric relation, an offset distance between a first resource block and the channel raster, wherein the resource block offset metric comprises the offset distance.

46. The apparatus of claim 45 , wherein:

the offset distance comprises at least one of a frequency offset or a resource block count offset.

47. The apparatus of claim 43 , wherein the instructions are further executable by the processor to:

identify, based at least in part on the asymmetric relation, a frequency associated with a first resource block, wherein the resource block offset metric comprises the frequency.

48. The apparatus of claim 47 , wherein the instructions are further executable by the processor to:

identify, based at least in part on the asymmetric relation, a resource block count associated with the plurality of resource blocks, wherein the resource block offset metric comprises the resource block count.

49. The apparatus of claim 43 , wherein the instructions are further executable by the processor to:

determine, based at least in part on the message, that there are one or more unused resource blocks in the plurality of resource blocks; and

identify, based at least in part on the message, a location parameter associated with the one or more unused resource blocks.

50. The apparatus of claim 49 , wherein:

the location parameter comprises at least one of an identifier associated with the one or more unused resource blocks, a first resource block and a resource block count associated with contiguous resource blocks, or combinations thereof.

51. The apparatus of claim 49 , wherein:

each of the one or more unused resource blocks comprise a resource block with a predetermined number of unallocated resource elements.

52. The apparatus of claim 43 , wherein the instructions are further executable by the processor to:

identify, based at least in part on the message, a synchronization raster offset between a first channel and a second channel of a band, the first channel and the second channel sharing a common resource block grid; and

monitor for a synchronization signal on each resource block entry of the common resource block grid that is between the synchronization raster offset.

53. The apparatus of claim 52 , wherein:

the synchronization raster offset comprises a 900 KHz raster offset.

54. The apparatus of claim 43 , wherein the instructions are further executable by the processor to:

identify, based at least in part on the message, a synchronization raster offset between a first channel and a second channel of a band, the first channel and the second channel sharing a common resource block grid; and

monitor for a synchronization signal on each channel raster entry that is between two entries that are on the common resource block grid.