Waveform multiplexing in millimeter wave band

1. A method of wireless communication, comprising:

identifying, by a first wireless communication device, a configuration for multiplexing, in the time domain, a cyclic prefix (CP)-based waveform signal in a first transmission period and a first guard interval (GI)-based waveform signal in a second transmission period after the first transmission period; and

communicating, by the first wireless communication device with a second wireless communication device, the first GI-based waveform signal in the second transmission period, the second transmission period including a plurality of first symbols, wherein a beginning symbol of the first GI-based waveform and of the plurality of first symbols includes one or more repetitions of a reference signal sequence based on the configuration, the one or more repetitions of the reference signal sequence followed by a first GI such that the first GI is dependent on the one or more repetitions of the reference signal sequence and independent of the CP-based waveform signal in the first transmission period.

2. The method of claim 1 , wherein:

the method further comprises communicating, by the first wireless communication device with the second wireless communication device, the CP-based waveform signal in the first transmission period, the first transmission period including a plurality of second symbols, wherein each of the plurality of second symbols includes a CP.

3. The method of claim 1 , wherein each of the plurality of first symbols in the first GI-based waveform signal includes a first GI.

4. The method of claim 3 , wherein:

the identifying includes identifying the configuration for communicating the first GI-based waveform signal after a second GI-based waveform signal, and

the method further comprises communicating, by the first wireless communication device with a third wireless communication device, the second GI-based waveform signal including a plurality of second symbols, wherein each of the plurality of second symbols includes a second GI.

5. The method of claim 4 , wherein the first GI and the second GI include different waveforms.

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

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

8. The method of claim 1 , wherein a last symbol of the CP-based waveform signal includes a blank period with no transmission followed by the first GI.

9. A method of wireless communication, comprising:

communicating, by a first wireless communication device with a second wireless communication device in a first bandwidth part (BWP), a guard interval (GI)-based waveform signal, wherein the GI-based waveform signal comprises a GI-based single-carrier (SC) waveform; and

communicating, by the first wireless communication device with the second wireless communication device in a second BWP, a cyclic prefix (CP)-based waveform signal frequency multiplexed with the GI-based waveform signal, the CP-based waveform signal comprising an orthogonal frequency-division multiplexing (OFDM) based waveform, the second BWP spaced apart from the first BWP by a guard frequency band.

10. The method of claim 9 , wherein the GI-based waveform signal includes a plurality of symbols, and wherein each of the plurality of symbols includes a GI.

11. The method of claim 9 , wherein the CP-based waveform signal includes a plurality of symbols, and wherein each of the plurality of symbols includes a CP.

12. The method of claim 9 , wherein the first BWP and the second BWP are located in a licensed band, an unlicensed band, or a shared frequency band.