Waveform multiplexing in millimeter wave band

1. A method of wireless communication, comprising:

identifying, by a first wireless communication device, a configuration for multiplexing a first cyclic prefix (CP)-based waveform signal with a guard interval (GI)-based waveform signal in a time domain, the configuration indicating a GI waveform requirement of the GI-based waveform signal; and

communicating, by the first wireless communication device based on the configuration, the first CP-based waveform signal and the GI-based waveform signal based on multiplexing the first CP-based waveform signal and the GI-based waveform signal, wherein:

the first CP-based waveform signal includes a plurality of first symbols carrying data, wherein a last symbol of the plurality of first symbols includes a portion without data transmission based on the GI waveform requirement, and

the GI-based waveform signal is communicated after the portion without the data transmission.

2. The method of claim 1 , wherein:

the communicating the first CP-based waveform signal comprises communicating the first CP-based waveform signal to a second wireless communication device, and

the communicating the GI-based waveform signal comprises communicating the GI-based waveform signal with a third wireless communication device.

3. The method of claim 1 , wherein the GI-based waveform signal includes a plurality of second symbols, and wherein at least some of the plurality of second symbols includes a first GI.

4. The method of claim 3 , wherein the communicating includes:

communicating, by the first wireless communication device with a second wireless communication device, a second GI in the portion of the last symbol of the first CP-based waveform signal based on the GI waveform requirement, and

wherein the first GI and the second GI include the same waveform.

5. The method of claim 3 , wherein at least some of the plurality of first symbols in the first CP-based waveform signal includes a cyclic prefix (CP).

6. The method of claim 3 , wherein at least some of the plurality of first symbols in the first CP-based waveform signal includes a second GI.

7. The method of claim 6 , wherein the first GI and the second GI include different waveforms.

8. The method of claim 1 , wherein the first CP-based waveform signal is communicated in a first frequency band, and wherein the GI-based waveform signal is communicated in a second frequency band different from the first frequency band.

9. The method of claim 1 , wherein the first CP-based waveform signal is communicated in a first beam direction, and wherein the GI-based waveform signal is communicated in a second beam direction different than the first beam direction.

10. The method of claim 1 , wherein the communicating includes:

communicating, by the first wireless communication device with a second wireless communication device, first data in a symbol of the plurality of first symbols before the last symbol based on a first subcarrier spacing (SCS); and

communicating, by the first wireless communication device with the second wireless communication device, second data in the last symbol based on a second SCS different than the first SCS.

11. An apparatus comprising:

a processor configured to identify a configuration for multiplexing a first cyclic prefix (CP)-based waveform signal with a guard interval (GI)-based waveform signal in a time domain, the configuration indicating a GI waveform requirement of the GI-based waveform signal; and

a transceiver configured to communicate, based on the configuration, the first CP-based waveform signal and the GI-based waveform signal based on multiplexing the first CP-based waveform signal and the GI-based waveform signal, such that:

the first CP-based waveform signal includes a plurality of first symbols carrying data, wherein a last symbol of the plurality of first symbols includes a portion without data transmission based on the GI waveform requirement, and

the GI-based waveform signal is communicated after the portion without the data transmission.

12. The apparatus of claim 11 , wherein the transceiver configured to communicate the first CP-based waveform signal and the GI-based waveform signal comprises the transceiver configured to:

communicate the first CP-based waveform signal to a first wireless communication device; and

communicate the GI-based waveform signal to a second wireless communication device.

13. The apparatus of claim 11 , wherein the GI-based waveform signal includes a plurality of second symbols, and wherein at least some of the plurality of second symbols includes a first GI.

14. The apparatus of claim 13 , wherein the transceiver is further configured to communicate the first CP-based waveform signal by:

communicating, with a first wireless communication device, a second GI in the portion of the last symbol of the first CP-based waveform signal based on the GI waveform requirement, and

wherein the first GI and the second GI include the same waveform.

15. The apparatus of claim 13 , wherein at least some of the plurality of first symbols in the first CP-based waveform signal includes a cyclic prefix (CP).

16. The apparatus of claim 13 , wherein at least some of the plurality of first symbols in the first CP-based waveform signal includes a second GI.

17. The apparatus of claim 16 , wherein the first GI and the second GI include different waveforms.

18. The apparatus of claim 11 , wherein the first CP-based waveform signal is communicated in a first frequency band, and wherein the GI-based waveform signal is communicated in a second frequency band different from the first frequency band.

19. The apparatus of claim 11 , wherein the first CP-based waveform signal is communicated in a first beam direction, and wherein the GI-based waveform signal is communicated in a second beam direction different than the first beam direction.

20. The apparatus of claim 11 , wherein the transceiver is further configured to communicate the first CP-based waveform signal by:

communicating, with a first wireless communication device, first data in a symbol of the plurality of first symbols before the last symbol based on a first subcarrier spacing (SCS); and

communicating, with the first wireless communication device, second data in the last symbol based on a second SCS different than the first SCS.

21. A non-transitory computer-readable medium having program code recorded thereon, the program code comprising:

code for causing a first wireless communication device to identify a configuration for multiplexing a first cyclic prefix (CP)-based waveform signal with a guard interval (GI)-based waveform signal in a time domain, the configuration indicating a GI waveform requirement of the GI-based waveform signal; and

code for causing the first wireless communication device to communicate the first CP-based waveform signal and the GI-based waveform signal based on multiplexing the first CP-based waveform signal and the GI-based waveform signal such that:

the first CP-based waveform signal includes a plurality of first symbols carrying data, wherein a last symbol of the plurality of first symbols includes a portion without data transmission based on the GI waveform requirement, and

the GI-based waveform signal is communicated after the portion without the data transmission.

22. The non-transitory computer-readable medium of claim 21 , wherein:

the code for causing the first wireless communication device to communicate the first CP-based waveform signal comprises code for causing the first wireless communication device to communicate the first CP-based waveform signal to a second wireless communication device, and

the code for causing the first wireless communication device to communicate the GI-based waveform signal comprises code for causing the first wireless communication device to communicate the GI-based waveform signal with a third wireless communication device.

23. The non-transitory computer-readable medium of claim 21 , wherein the GI-based waveform signal includes a plurality of second symbols, and wherein at least some of the plurality of second symbols includes a first GI.

24. The non-transitory computer-readable medium of claim 23 , wherein the code for causing the first wireless communication device to communicate includes:

code for causing the first wireless communication device to communicate, with a second wireless communication device, a second GI in the portion of the last symbol of the first CP-based waveform signal based on the GI waveform requirement, and

wherein the first GI and the second GI include the same waveform.

25. The non-transitory computer-readable medium of claim 21 , wherein the first CP-based waveform signal is communicated in a first frequency band, and wherein the GI-based waveform signal is communicated in a second frequency band different from the first frequency band.

26. The non-transitory computer-readable medium of claim 21 , wherein the code for causing the first wireless communication device to communicate includes:

code for causing the first wireless communication device to communicate, with a second wireless communication device, first data in a symbol of the plurality of first symbols before the last symbol based on a first subcarrier spacing (SCS); and

code for causing the first wireless communication device to communicate, with the second wireless communication device, second data in the last symbol based on a second SCS different than the first SCS.

27. A wireless communication device, comprising:

means for identifying a configuration for multiplexing a first cyclic prefix (CP)-based waveform signal with a guard interval (GI)-based waveform signal in a time domain, the configuration indicating a GI waveform requirement of the GI-based waveform signal; and

means for communicating the first CP-based waveform signal and the GI-based waveform signal based on multiplexing the first CP-based waveform signal and the GI-based waveform signal such that:

the first CP-based waveform signal includes a plurality of first symbols carrying data, wherein a last symbol of the plurality of first symbols includes a portion without data transmission based on the GI waveform requirement, and

the GI-based waveform signal is communicated after the portion without the data transmission.

28. The wireless communication device of claim 27 , wherein:

the means for communicating the first CP-based waveform signal comprises means for communicating the first CP-based waveform signal to a second wireless communication device, and

the means for communicating the GI-based waveform signal comprises means for communicating the GI-based waveform signal with a third wireless communication device.

29. The wireless communication device of claim 27 , wherein the GI-based waveform signal includes a plurality of second symbols, and wherein at least some of the plurality of second symbols includes a first GI.

30. The wireless communication device of claim 29 , wherein the means for communicating includes:

means for communicating, with a second wireless communication device, a second GI in the portion of the last symbol of the first CP-based waveform signal based on the GI waveform requirement, and

wherein the first GI and the second GI include the same waveform.