Measurement gap enhancement to reduce measurement delay

1. A user equipment, UE, apparatus comprising:

radio frequency, RF, circuitry to receive an indication of a measurement gap configuration;

baseband circuitry coupled with the RF circuitry, the baseband circuitry to:

identify, based on the indication, a measurement gap repetition period, MGRP, of the measurement gap configuration;

identify, based on the indication, a measurement gap length of the measurement gap configuration, wherein the measurement gap length is less than 6 milliseconds, ms; and

perform inter-frequency or inter-radio access technology, RAT, measurement based on the measurement gap configuration.

2. The UE apparatus of claim 1 , wherein the measurement gap length is 2 ms.

3. The UE apparatus of claim 2 , wherein no data is scheduled to be transmitted/received to/from a serving cell within a length of time indicated by the measurement gap length.

4. The UE apparatus of claim 2 , wherein the baseband circuitry is further to re-tune to a carrier frequency of a cell, which is to be measured by the inter-frequency or inter-RAT measurement, during a length of time indicated by the measurement gap length.

5. The UE apparatus of claim 1 , wherein the RF circuitry is further to:

transmit, via radio resource control, RRC, signaling, a measurement gap configuration that includes a shorter MGRP when the baseband circuitry identifies that a faster measurement delay is desired, the measurement delay including cell identification delay.

6. The UE apparatus of claim 5 , wherein a legacy measurement gap is configured as a default measurement gap for the UE to save power.

7. The UE apparatus of claim 5 , wherein the RF circuitry is further to receive, in response to a request of the measurement gap configuration, an acknowledgement of the request by receipt of an indication of a second MGRP in a radio resource control, RRC, information element, IE, “measGapConfig”.

8. The UE apparatus of claim 5 , wherein the baseband circuitry is to further:

determine that a pre-defined measurement candidate is met; and

request the measurement gap configuration based on whether the determined pre-defined measurement candidate is met.

9. The UE apparatus of claim 8 , wherein determine the pre-defined measurement condition is met includes comparing a reference signal receive power, RSRP, or a reference signal received quality, RSRQ, to a pre-configured threshold value.

10. The UE apparatus of claim 8 , wherein request the measurement gap configuration is based on or associated with one or more measurement reporting events.

11. The UE apparatus of claim 10 , wherein the baseband circuitry is further to perform the inter-frequency or inter-RAT measurement with a new measurement gap that uses the shorter MGRP.

12. The UE apparatus of claim 2 , wherein the baseband circuitry is further to perform the inter-frequency or inter-RAT measurement with a new measurement gap over all neighbor measured carriers with prioritized order.

13. A user equipment, UE, apparatus comprising:

radio frequency, RF, circuitry to periodically receive an indication of a measurement gap configuration;

baseband circuitry coupled with the RF circuitry, the baseband circuitry to:

identify, based on the indication, a measurement gap repetition period, MGRP, of the measurement gap configuration;

identify, based on the indication, a measurement gap length of the measurement gap configuration, wherein the measurement gap length is less than 6 milliseconds, ms; and

perform inter-frequency or inter-radio access technology, RAT, measurement based on the measurement gap configuration.

14. The UE apparatus of claim 13 , wherein the measurement gap length is 2 ms.

15. The UE apparatus of claim 13 , wherein no data is scheduled to be transmitted/received to/from a serving cell within a length of time indicated by the measurement gap length.

16. The UE apparatus of claim 14 , wherein the baseband circuitry is further to re-tune to a carrier frequency of a cell, which is to be measured by the inter-frequency or inter-RAT measurement, during a length of time indicated by the measurement gap length.

17. The UE apparatus of claim 16 , wherein the baseband circuitry is to further:

determine that a pre-defined measurement is met; and

request the measurement gap configuration based on whether the determined pre-defined measurement candidate is met.

18. The UE apparatus of claim 17 , wherein the baseband circuitry is further to perform the inter-frequency or inter-RAT measurement with a new measurement gap that uses a shorter MGRP.

19. An evolved NodeB, eNB, apparatus comprising:

radio frequency, RF, circuitry to receive a request from a user equipment, UE, for a measurement gap configuration that includes a measurement gap repetition period, MGRP, that is less than 6 milliseconds, ms;

baseband circuitry coupled with the RF circuitry, the baseband circuitry to identify a gap configuration that includes the MGRP that is less than 6 ms; and

wherein the RF circuitry is further to transmit logic to transmit an indication of a gap pattern that includes the MGRP that is less than 40 ms.

20. The eNB of claim 19 , wherein the request is received in radio resource control, RRC, signaling.

21. The UE apparatus of claim 1 , wherein the indication further includes an out of sync indicator.

22. The UE apparatus of claim 13 , wherein the indication further includes an out of sync indicator.