Method and apparatus for signaling in dense network operations

1. A method of wireless communication of a very low duty cycle signal (LDCS) configuration for a first entity from a second entity to a user equipment (UE), the first entity transmitting on a first frequency and the second entity being different than the first entity and transmitting on a second frequency, comprising:

identifying a first entity;

transmitting, from the second entity to the UE, an LDCS configuration of the first entity, wherein the LDCS configuration is different than a configuration of an active mode signal of the first entity; and

transmitting a Random Access Channel (RACH) configuration relating to the LDCS for the first entity to the UE.

2. The method of claim 1 , further comprising:

receiving LDCS information for the first entity, wherein the LDCS configuration is transmitted after the LDCS information is received.

3. The method of claim 2 , further comprising:

determining the LDCS configuration at the second entity; and

transmitting the LDCS configuration from the second entity to the first entity.

4. The method of claim 1 , wherein the second entity comprises a Macro cell.

5. The method of claim 1 , wherein a format of the LDCS comprises at least one of a special synchronization signal format, an enhanced cell-specific reference signal (CRS) format, a coded signal transmission format, a channel state information reference signal (CSI-RS) format, and a system information block (SIB) format.

6. The method of claim 1 , wherein the LDCS configuration is comprised in at least one of a primary synchronization signal (PSS) transmission, a secondary synchronization signal (SSS) transmission, a physical broadcast channel (PBCH) transmission, a system information block (SIB) transmission, and a master information block (MIB) transmission from the second entity.

7. The method of claim 1 , further comprising:

transmitting a transmit power for the first entity.

8. The method of claim 7 , wherein the transmitted transmit power is comprised in at least one of a system information block (SIB) and a master information block (MIB) transmission.

9. The method of claim 1 , further comprising:

configuring a discontinuous reception and transmission (DRX/DTX) mode for a backhaul for the first entity.

10. The method of claim 9 , further comprising:

configuring a DRX/DTX mode related to an additional entity, wherein the DRX/DTX modes for the first entity and the additional entity are different to provide better multiplexing.

11. The method of claim 9 , further comprising:

configuring a DRX/DTX mode for a UE, wherein the DRX/DTX mode for the first entity and the DRX/DTX mode for the UE are different.

12. The method of claim 9 , wherein the second entity configures the backhaul for the first entity to a DRX/DTX to match an access link DRX/DTX configuration for the first entity.

13. The method of claim 9 ,

wherein the second entity configures the backhaul for the first entity to a DRX/DTX to match an access link DRX/DTX configuration for the first entity, and

wherein the DRX/DTX configuration for the backhaul and the access link DRX/DTX configuration are mapped to the DRX/DTX configuration for the UE.

14. An apparatus for wireless communication of a very low duty cycle signal (LDCS) configuration for a first entity from a second entity to a user equipment (UE), the first entity transmitting on a first frequency and the second entity being different than the first entity and transmitting on a second frequency, the apparatus comprising:

means for receiving LDCS information for a first entity; and

means for transmitting, from the second entity to the UE, an LDCS configuration of the first entity, wherein the LDCS configuration is different than a configuration of an active mode signal of the first entity;

wherein the means for transmitting transmit a Random Access Channel (RACH) configuration relating to the LDCS for the first entity to the UE.

15. An apparatus for wireless communication of a very low duty cycle signal (LDCS) configuration for a first entity from a second entity to a user equipment (UE), the first entity transmitting on a first frequency and the second entity being different than the first entity and transmitting on a second frequency, the apparatus comprising:

a processing system comprising memory and at least one processor configured to:

identify a first entity;

transmit, from the second entity to the UE, an LDCS configuration of the first entity,

wherein the LDCS configuration is different than a configuration of an active mode signal of the first entity; and

transmit a Random Access Channel (RACH) configuration relating to the LDCS for the first entity to the UE.

16. The apparatus of claim 15 , wherein the processing system is further configured to:

receive LDCS information for the first entity, wherein the LDCS configuration is transmitted after the LDCS information is received.

17. The apparatus of claim 16 , wherein the processing system is further configured to:

determine the LDCS configuration at the second entity; and

transmit the LDCS configuration from the second entity to the first entity.

18. The apparatus of claim 16 , wherein the processing system is further configured to:

configure a discontinuous reception and transmission (DRX/DTX) mode for a backhaul for the first entity.

19. The apparatus of claim 18 , wherein the processing system is further configured to:

configure a DRX/DTX mode related to an additional entity, wherein the DRX/DTX modes for the first entity and the additional entity are different to provide better multiplexing.

20. The apparatus of claim 18 , wherein the processing system is further configured to:

configure a DRX/DTX mode for a UE, wherein the DRX/DTX mode for the first entity and the DRX/DTX mode for the UE are different.

21. The apparatus of claim 18 , wherein the second entity configures the backhaul for the first entity to a DRX/DTX to match an access link DRX/DTX configuration for the first entity.

22. The apparatus of claim 18 ,

wherein the second entity configures the backhaul for the first entity to a DRX/DTX to match an access link DRX/DTX configuration for the first entity, and

wherein the DRX/DTX configuration for the backhaul and the access link DRX/DTX configuration are mapped to the DRX/DTX configuration for the UE.

23. The apparatus of claim 15 , wherein the second entity comprises a Macro cell.

24. The apparatus of claim 15 , wherein a format of the LDCS comprises at least one of a special synchronization signal format, an enhanced cell-specific reference signal (CRS) format, a coded signal transmission format, a channel state information reference signal (CSI-RS) format, and a system information block (SIB) format.

25. The apparatus of claim 15 , wherein the LDCS configuration is comprised in at least one of a primary synchronization signal (PSS) transmission, a secondary synchronization signal (SSS) transmission, a physical broadcast channel (PBCH) transmission, a system information block (SIB) transmission, and a master information block (MIB) transmission from the second entity.

26. The apparatus of claim 15 , wherein the processing system is further configured to:

transmit a transmit power for the first entity.

27. The apparatus of claim 26 , wherein the transmitted transmit power is comprised in at least one of a system information block (SIB) and a master information block (MIB) transmission.

28. A non-transitory computer-readable medium storing computer executable code for wireless communication of a very low duty cycle signal (LDCS) configuration for a first entity from a second entity to a user equipment (UE), the first entity transmitting on a first frequency and the second entity being different than the first entity and transmitting on a second frequency, comprising code for:

identifying a first entity;

transmitting, from a second entity to the UE, an LDCS configuration of the first entity,

wherein the LDCS configuration is different than a configuration of an active mode signal of the first entity; and

transmitting a Random Access Channel (RACH) configuration relating to the LDCS for the first entity to the UE.