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1. (WO2018128851) MESURE DE BROUILLAGE INTERLIAISON DANS UN SYSTÈME NEW RADIO (NR) DE DUPLEXAGE PAR RÉPARTITION DANS LE TEMPS (TDD) DYNAMIQUE
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CLAIMS

What is claimed is:

1. An apparatus of a first next generation node B (gNB) operable to measure

crosslink signal-to-interference ratio (SINR) in a dynamic time division duplex (TDD) new radio (NR) system relative to a second gNB, the apparatus comprising:

one or more processors configured to:

encode, at the first gNB, a downlink interference measurement reference signal (IM-RS), for transmission to a first user equipment (UE), in a selected comb of an IFDMA comb structure having n combs, wherein n is a positive integer;

decode, at the first gNB, an uplink IM-RS from a second UE received in one of the n combs in the IFDMA comb structure, wherein the uplink IM-RS is time aligned with the downlink IM-RS; and determine, at the first gNB, the crosslink interference in the IFDMA comb structure, caused by one or more of the second gNB and the second UE, based on the downlink IM-RS and the uplink IM-RS; and a memory interface configured to receive, from a memory, data associated with the downlink IM-RS.

2. The apparatus of claim 1, wherein the one or more processors are further

configured to:

encode the downlink IM-RS as a non-zero power reference signal; or decode the uplink IM-RS as a non-zero power reference signal.

3. The apparatus of claim 1, wherein the one or more processors are further

configured to:

encode the downlink IM-RS and decode the uplink IM-RS as a same sequence type or a different sequence type, wherein the sequence type includes one of: a pseudo-random noise (PN) sequence, a Zadoff Chu (ZC) sequence, or a Golay sequence.

The apparatus of any of claims 1 to 3, wherein the one or more processors are further configured to:

encode the downlink IM-RS as non-precoded or precoded; or decode the uplink IM-RS as non-precoded or precoded.

The apparatus of any of claims 1 to 3, wherein the one or more processors are further configured to:

encode the downlink IM-RS via physical layer signaling or higher layer signaling; or

decode the uplink IM-RS via physical layer signaling or higher layer signaling.

The apparatus of any of claims 1 to 3, wherein the one or more processors are further configured to measure a crosslink interference from a plurality of uplink IM-RSs using one or more of: frequency division multiplexing (FDM) or cyclic time-domain shifts.

The apparatus of claim 1, wherein each comb comprises a plurality of subcarriers that are interleaved with subcarriers of other combs in the n combs.

The apparatus of any of claims 1 to 3, wherein one or more interference measurement resource (IMR) parameters are configured including: IMR comb frequency offset; physical resource block (PRB) indices; or subframe indices.

An apparatus of a first user equipment (UE) operable to measure crosslink signal-to-interference ratio (SINR) in a dynamic time division duplex (TDD) new radio (NR) system relative to a second UE, the apparatus comprising:

one or more processors configured to:

encode, at the first UE, an uplink interference measurement reference signal (IM-RS), for transmission to a first next generation node B (gNB), in a selected comb of an IFDMA comb structure having n combs, wherein n is a positive integer;

decode, at the first UE, a downlink IM-RS from a second gNB received in one of the n combs in the IFDMA comb structure, wherein the downlink IM-RS is time aligned with the uplink IM-RS; and

determine, at the first UE, the crosslink interference in the IFDMA comb structure, caused by one or more of the second UE and the second gNB, based on the downlink IM-RS and the uplink IM-RS; and a memory interface configured to receive, from a memory, data associated with the uplink IM-RS .

10. The apparatus of claim 9, wherein the one or more processors are further

configured to:

encode the uplink IM-RS as a non-zero power reference signal; or decode the downlink IM-RS as a non-zero power reference signal.

11. The apparatus of claim 9, wherein the one or more processors are further

configured to

encode the uplink IM-RS and decode the downlink IM-RS as a same sequence type or a different sequence type, wherein the sequence type includes one of: a pseudo-random noise (PN) sequence, a Zadoff Chu (ZC) sequence, or a Golay sequence.

12. The apparatus of any of claims 9 to 11, wherein the one or more processors are further configured to:

encode the uplink IM-RS as non-precoded or precoded; or

decode the downlink IM-RS as non-precoded or precoded.

13. The apparatus of any of claims 9 to 11, wherein the one or more processors are further configured to:

encode the uplink IM-RS via physical layer signaling or higher layer signaling; or

decode the downlink IM-RS via physical layer signaling or higher layer signaling.

14. The apparatus of claim 9, wherein each comb comprises a plurality of subcarriers that are interleaved with subcarriers of other combs in the n combs.

15. The apparatus of any of claims 9 to 11, wherein one or more interference

measurement resource (IMR) parameters are configured including: IMR comb frequency offset; physical resource block (PRB) indices; or subframe indices.

16. At least one machine readable storage medium having instructions embodied thereon for measuring crosslink signal-to-interference ratio (SINR) in a dynamic time division duplex (TDD) new radio (NR) system, the instructions when executed by one or more processors at a first next generation node B (gNB) perform the following:

encoding, at the first gNB, a downlink interference measurement reference signal (IM-RS), for transmission to a first user equipment (UE), in a selected comb of an IFDMA comb structure having n combs, wherein n is a positive integer;

decoding, at the first gNB, an uplink IM-RS from a second UE received in one of the n combs in the IFDMA comb structure, wherein the uplink IM-RS is time aligned with the downlink IM-RS; and

determining, at the first gNB, the crosslink interference in the IFDMA comb structure, caused by one or more of the second gNB and the second UE, based on the downlink IM-RS and the uplink IM-RS.

17. The at least one machine readable storage medium of claim 16, further comprising instructions, when executed, perform:

encoding the downlink IM-RS as a non-zero power reference signal; or decoding the uplink IM-RS as a non-zero power reference signal.

18. The at least one machine readable storage medium of claim 16, further comprising instructions, when executed, perform:

encoding the downlink IM-RS and decode the uplink IM-RS as a same sequence type or a different sequence type, wherein the sequence type includes one of: a pseudo-random noise (PN) sequence, a Zadoff Chu (ZC) sequence, or a Golay sequence.

19. The at least one machine readable storage medium of any of claims 16 to 18, further comprising instructions, when executed, perform:

encoding the downlink IM-RS as non-precoded or precoded; or decoding the uplink IM-RS as non-precoded or precoded.

20. The at least one machine readable storage medium of any of claims 16 to 18, further comprising instructions, when executed, perform:

encoding the downlink IM-RS via physical layer signaling or higher layer signaling; or

decoding the uplink IM-RS via physical layer signaling or higher layer signaling.

21. The at least one machine readable storage medium of any of claims 16 to 18, further comprising instructions, when executed, perform:

measuring a crosslink interference from a plurality of uplink IM-RSs using one or more of: frequency division multiplexing (FDM) or cyclic time-domain shifts.

22. The at least one machine readable storage medium of claim 16, wherein each comb comprises a plurality of subcarriers that are interleaved with subcarriers of other combs in the n combs.

23. The at least one machine readable storage medium of any of claims 16 to 18, wherein one or more interference measurement resource (IMR) parameters are

configured including: IMR comb frequency offset; physical resource block (PRB) indices; or subframe indices.