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1. (WO2017134578) LATENCY REDUCTION FOR COMMUNICATION ELEMENTS
Note: Text based on automatic Optical Character Recognition processes. Please use the PDF version for legal matters

IN THE CLAIMS:

1. A communication element (RSU) operable with a wireless device (UE) and a radio access node (eNB), comprising:

a processor (1020): and

a memory (1030) including computer program code, wherein said processor (1020), said memory, and said computer program code are collectively operable to:

provide a scheduling request (SR) to said radio access node (eNB) to communicate data from said wireless device (UE);

receive an uplink grant from said radio access node (eNB); provide a buffer status report (BSR) to said radio access node (eNB); receive another uplink grant from said radio access node (eNB); receive said data from said wireless device (UE); and

forward said data to said radio access node (eNB).

2. The communication element (RSU) as recited in Claim 1 wherein said memory (1030) and said computer program code are further configured to, with said processor (1020) cause said communication element (RSU) to receive sidelink control information (SCI) from said wireless device (UE) prior to providing said scheduling request (SR) to said radio access node (eNB).

3. The communication element (RSU) as recited in Claim 1 wherein said memory (1030) and said computer program code are further configured to, with said processor (1020) cause said communication element (RSU) to estimate resources for said data prior to providing said scheduling request (SR) to said radio access node (eNB).

4. The communication element (RSU) as recited in Claim 3 wherein said resources comprise an estimated amount of data (DATA_AMOUNT) and an estimated time (T1, T2) to forward said data.

5. The communication element (RSU) as recited in Claim 4 wherein said estimated time (T1, T2) to forward said data takes into account a grant delay (GRANT_DELAY).

6. A method of operating a communication element (RSU) operable with a wireless device (UE) and a radio access node (eNB), comprising:

providing a scheduling request (SR) to said radio access node (eNB) to communicate data from said wireless device (UE);

receiving an uplink grant from said radio access node (eNB);

providing a buffer status report (BSR) to said radio access node (eNB); receiving another uplink grant from said radio access node (eNB); receiving said data from said wireless device (UE); and

forwarding said data to said radio access node (eNB).

7. The method as recited in Claim 6 further comprising receiving sidelink control information (SCI) from said wireless device (UE) prior to providing said scheduling request (SR) to said radio access node (eNB).

8. The method as recited in Claim 6 further comprising estimating resources for said data prior to providing said scheduling request (SR) to said radio access node (eNB).

9. The method as recited in Claim 8 wherein said resources comprise an estimated amount of data (DATA_AMOUNT) and an estimated time (T1, T2) to forward said data.

10. The method as recited in Claim 9 wherein said estimated time (T1, T2) to forward said data takes into account a grant delay (GRANT_DELAY).

1 1. A radio access node (eNB) operable with a communication element (RSU) and a wireless device (UE), comprising:

a processor (1020); and

a memory (1030) including computer program code, wherein said processor (1020), said memory (1030), and said computer program code are collectively operable to:

receive a scheduling request (SR) from said communication element (RSU) to communicate data from said wireless device (UE);

provide an uplink grant to said communication element (RSU); receive a buffer status report (BSR) from said communication element

(RSU);

provide another uplink grant to said communication element (RSU); and

receive said data, from said wireless device (UE) via said communication element (RSU).

12. The radio access node (eNB) as recited in Claim 11 wherein said memory (1030) and said computer program code are further configured to, with said processor (1020) cause said radio access node (eNB) to receive said scheduling request (SR.) from said communication element (RSU) in response to sidelink control information (SCI) from said wireless device (UE).

13. The radio access node (eNB) as recited in Claim 11 wherein said memory (1030) and said computer program code are further configured to, with said processor (1020) cause said radio access node (eNB) to receive said scheduling request (SR) from said communication element (RSU) in response to an estimate of resources for said data.

14. The radio access node (eNB) as recited in Claim 13 wherein said resources comprise an estimated amount of data (DATA_AMOUNT) and an estimated time (T1, T2) to forward said data.

15. The radio access node (eNB) as recited in Claim 14 wherein said estimated time (T1, T2) to forward said data takes into account a grant delay (GRANT_DELAY).

16. A method of operating a radio access node (eNB) operable with a communication element (RSU) and a wireless device (UE), comprising:

receiving a scheduling request (SR) from said communication element (RSU) to communicate data from said wireless device (UE);

providing an uplink grant to said communication element (RSU); receiving a buffer status report (BSR) from said communication element

(RSU);

providing another uplink grant to said communication element (RSU); and receiving said data from said wireless device (UE) via said communication element (RSU).

17. The method as recited in Claim 16 wherein said receiving said scheduling request (SR) from said communication element (RSU) is in response to sidelink control information (SCI) from said wireless device (UE).

18. The method as recited in Claim 16 wherein said receiving said scheduling request (SR) from said communication element (RSU) is in response to an estimate of resources for said data.

19. The method as recited in Claim 18 wherein said resources comprise an estimated amount of data (DATA_AMOUNT) and an estimated time (T1, T2) to forward said data.

20. The method as recited in Claim 19 wherein said estimated time (T1, T2) to forward said data takes into account a grant delay (GRANT_DELAY).

21. A communication element (RSU) operable with a wireless device (UE-1) and a radio access node (eNB), comprising:

a processor (1020): and

a memory (1030) including computer program code, wherein said processor (1020), said memory (1030), and said computer program code are collectively operable to:

provide a scheduling request (SR) to said radio access node (eNB) to communicate data from said wireless device (UE-1);

receive an uplink grant from said radio access node (eNB); provide a sidelink buffer status report (SL BSR) to said radio access node (eNB);

receive a sidelink (SL) grant from said radio access node (eNB); receive said data from said wireless device (UE-1): and forward said data to another wireless device (UE-2).

22. The communication element (RSU) as recited in Claim 21 wherein said memory (1030) and said computer program code are further configured to, with said processor (1020) cause said communication element (RSU) to receive sidelink control information (SCI) from said wireless device (UE-1) prior to providing said scheduling request (SR) to said radio access node (eNB).

23. The communication element (RSU) as recited in Claim 21 wherein said memory (1030) and said computer program code are further configured to, with said processor (1020) cause said communication element (RSU) to estimate resources for said data prior to providing said scheduling request (SR) to said radio access node (eNB).

24. The communication element (RSU) as recited in Claim 23 wherein said resources comprise an estimated amount of data (DATA_AMOUNT) and an estimated time (T1, T2) to forward said data.

25. The communication element (RSU) as recited in Claim 24 wherein said estimated time (T1, T2) to forward said data takes into account a grant delay (GRANT_DELAY).

26. A method of operating a communication element (RSU) operable with a wireless device (UE-1) and a radio access node (eNB), comprising:

receiving an uplink grant from said radio access node (eNB);

providing a sidelink buffer status report (SL BSR) to said radio access node (eNB):

receiving a sidelink (SL) grant from said radio access node (eNB); receiving said data from said wireless device (UE-1); and

forwarding said data to another wireless device (UE-2).

27. The method as recited in Claim 26 further comprising receiving sidelink control information (SCI) from said wireless device (UE-1) prior to providing said scheduling request (SR) to said radio access node (eNB).

28. The method as recited in Claim 26 further comprising estimating resources for said data prior to providing said scheduling request (SR) to said radio access node (eNB).

29. The method as recited in Claim 28 wherein said resources comprise an estimated amount of data (DATA_AMOUNT) and an estimated time (T1, T2) to forward said data.

30. The method as recited in Claim 29 wherein said estimated time (T1, T2) to forward said data takes into account a grant delay (GRANT_DELAY).

31. A radio access node (eNB) operable with a communication element

(RSU) and a wireless device (UE-1), comprising

a processor (1020); and

a memory (1030) including computer program code, wherein said processor (1020), said memory (1030), and said computer program code are collectively operable to:

receive a scheduling request (SR) from said communication element

(RSU) to communicate data from said wireless device (UE-1);

provide an uplink grant to said communication element (RSU); receive a sidelink buffer status report (SL BSR) from said communication element (RSU); and

provide a sidelmk (SL) grant to said communication element (RSU) to allow data to be forwarded from, said wireless device (UE-1) to another wireless device (UE-2),

32. The radio access node (eNB) as recited in Claim 31 wherein said memory (1030) and said computer program code are further configured to, with said processor (1020) cause said radio access node (eNB) to receive said scheduling request (SR) from said communication element (RSU) in response to sidelink control information (SCI) from said wireless device (UE-1).

33. The radio access node (eNB) as recited in Claim 31 wherein said memory (1030) and said computer program code are further configured to, with said processor (1020) cause said radio access node (eNB) to receive said scheduling request (SR) from said communication element (RSU) in response to an estimate of resources for said data,

34. The radio access node (eNB) as recited in Claim 33 wherein said resources comprise an estimated amount of data (DATA_AMOUNT) and an estimated time (T1, T2) to forward said data.

35. The radio access node (eNB) as recited in Claim 34 wherein said estimated time (T1, T2) to forward said data takes into account a grant delay (GRANT_DELAY).

36. A method of operating a radio access node (eNB) operable with a communication element (RSU) and a wireless device (UE-1), comprising:

receiving a scheduling request (SR) from said communication element (RSU) to communicate data from said wireless device (UE-1);

providing an uplink grant to said communication element (RSU); receiving a sidelink buffer status report (SL BSR) from said communication element (RSU); and

providing a sidelink (SL) grant to said communication element (RSU) to allow data to be forwarded from said wireless device (UE-1) to another wireless device (UE-2).

37. The method as recited in Claim 36 wherein said receiving said scheduling request (SR) from said communication element (RSU) is in response to sidelink control information (SCI) from said wireless device (UE-1).

38. The method as recited in Claim 36 wherein said receiving said scheduling request (SR) from said communication element (RSU) is in response to an estimate of resources for said data.

39. The method as recited in Claim 38 wherein said resources comprise an estimated amount of data (DATA_AMOUNT) and an estimated time (T1, T2) to forward said data.

40. The method as recited in Claim 38 wherein said estimated time (T1, T2) to forward said data takes into account a grant delay (GRANT_DELAY).