MMW physical layer downlink channel scheduling and control signaling

1. A control signaling and scheduling method performed by a wireless transmit/receive unit (WTRU), the method comprising:

receiving a first control channel using a first antenna pattern;

receiving a second control channel using a second antenna pattern;

demodulating and decoding the first control channel;

demodulating and decoding the second control channel;

determining, using at least one of the decoded first control channel or the decoded second control channel, beam scheduling information associated with the WTRU and whether the WTRU is scheduled for a millimeter wave (mmW) segment;

on a condition that the WTRU is scheduled for the mmW segment

forming a receive beam using the determined beam scheduling information,

receiving the second control channel using the receive beam, and

determining, using the demodulated and decoded second control channel, dynamic per-transmission time interval (TTI) scheduling information related to a data channel associated with the second control channel.

2. The method of claim 1 , further comprising receiving the data channel using the dynamic per-TTI scheduling information.

3. The method of claim 1 , wherein the first control channel is configured per beam of the WTRU.

4. The method of claim 1 , wherein the first control channel is one of: a common physical downlink directional control channel (PDDCCH), a physical downlink control channel (PDCCH), an enhanced PDCCH (EPDCCH), or a millimeter wave physical downlink control channel (mmPDCCH).

5. The method of claim 1 , wherein the first control channel is carried using a first mmW beam or an LTE beam and the second control channel is carried using a second mmW beam, wherein the first mmW beam or the LTE beam is wider than the second mmW beam.

6. The method of claim 1 , wherein the beam scheduling information associated with the WTRU comprises transmit and receive beam scheduling information.

7. The method of claim 1 , wherein the data channel is a physical downlink directional data channel (PDDDCH), and wherein the second control channel is a dedicated physical downlink directional control channel (PDDCCH) and comprises one or more of modulation and coding scheme (MCS), or new data indicator (NDI).

8. The method of claim 1 further comprising determining a validity period associated with the per-TTI scheduling information and applying the per-TTI scheduling information to one or more mmW TTIs.

9. The method of claim 8 , wherein the per-TTI scheduling information is identical for a plurality of consecutive TTIs within a subframe.

10. The method of claim 1 , wherein resource allocation of one or more of the first control channel or the second control channel is received from a network via higher layer signaling.

11. A wireless transmit/receive unit (WTRU) comprising:

a processor configured to at least:

receive a first control channel using a first antenna pattern;

receive a second control channel using a second antenna pattern;

demodulate and decode the first control channel;

demodulate and decode the second control channel;

determine, using at least one of the decoded first control channel or the decoded second control channel, beam scheduling information associated with the WTRU and whether the WTRU is scheduled for a millimeter wave (mmW) segment;

on a condition that the WTRU is scheduled for the mmW segment

form a receive beam using the determined beam scheduling information,

receive the second control channel using the receive beam, and

determine, using the demodulated and decoded second control channel, dynamic per-transmission time interval (TTI) scheduling information related to a data channel associated with the second control channel.

12. The WTRU of claim 11 , wherein the processor is further configured to receive the data channel using the dynamic per-TTI scheduling information.

13. The WTRU of claim 11 , wherein the first control channel is configured per beam of the WTRU.

14. The WTRU of claim 11 , wherein the first control channel is one of: a common physical downlink directional control channel (PDDCCH), a physical downlink control channel (PDCCH), an enhanced PDCCH (EPDCCH), or a millimeter wave physical downlink control channel (mmPDCCH).

15. The WTRU of claim 11 , wherein the first control channel is carried using a first mmW beam or an LTE beam and the second control channel is carried using a second mmW beam, wherein the first mmW beam or the LTE beam is wider than the second mmW beam.

16. The WTRU of claim 11 , wherein the beam scheduling information associated with the WTRU comprises transmit and receive beam scheduling information.

17. The WTRU of claim 11 , wherein the second control channel is a dedicated PDDCCH and comprises one or more of modulation and coding scheme (MCS), or new data indicator (NDI).

18. The WTRU of claim 11 , wherein the data channel is a physical downlink directional data channel (PDDDCH).

19. The WTRU of claim 11 , wherein the processor is further configured to determine a validity period associated with the per-TTI scheduling information and apply the per-TTI scheduling information to one or more mmW TTIs.

20. The WTRU of claim 19 , wherein the per-TTI scheduling information is identical for a plurality of consecutive TTIs within a subframe.

21. The WTRU of claim 11 , wherein resource allocation of one or more of the first control channel or the second control channel is received from a network via higher layer signaling.