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1. (WO2015179212) APPAREIL, PROCÉDÉS, ET PRODUITS PROGRAMMES D'ORDINATEUR PERMETTANT D'ÉCONOMISER L'ÉNERGIE DANS UN SYSTÈME VOLTE CONFIGURÉ SPS EN MODE C-DRX
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CLAIMS

1. A method of wireless communication by a user equipment (UE), the method comprising:

receiving a packet when the UE is in a semi-persistent scheduling (SPS) mode; transmitting a negative-acknowledgement ( ACK) message when the packet is not successfully decoded; and

refraining from transmitting an acknowledgement (ACK) message when the packet is successfully decoded.

2. The method of claim I, wherein the packet is addressed to the UE in a unicast message.

3. The method of claim I, further comprising entering a power save state immediately after the packet is successfully decoded.

4. The method of claim I, wherein the packet is received during an on-duration of a connected state discontinuous reception (C-DRX) cycle.

5. The method of claim I, wherein the packet comprises voice over long term evolution (VoLTE) downlink (DL) traffic.

6. The method of claim 1, wherein the packet is received on a physical downlink shared channel (PDSCH).

7. The method of claim 1, wherein the packet is received in bundled subframes when the UE is located distal to edges of its coverage area.

8. The method of claim 1, further comprising:

receiving a retransmission of the packet after transmitting the NACK message, wherein the retransmitted packet is bundled with a second packet comprising content different from content of the packet.

9. An apparatus for wireless communication, the apparatus comprising:

means for receiving a packet when the UE is in a semi-persistent scheduling (SPS) mode;

means for transmitting a negative-acknowledgement (NACK) message when the packet is not successfully decoded; and

means for refraining from transmitting an acknowledgement (ACK) message when the packet is successfully decoded.

10. The apparatus of claim 9, wherein the packet is addressed to the UE in a unicast message.

1 1. The apparatus of claim 9, further comprising means for entering a power save state immediately after the packet is successfully decoded.

12. The apparatus of claim 9, wherein the packet is received during an on-duration of a connected state discontinuous reception (C-DRX) cycle.

13. The apparatus of claim 9, wherein the packet comprises voice over long term evolution (VoLTE) downlink (DL) traffic.

14. The apparatus of claim 9, wherein the packet is received on a physical downlink shared channel (PDSCH).

15. The apparatus of claim 9, wherein the packet is received in bundled subframes when the UE is located distal to edges of its coverage area.

16. The apparatus of claim 9, further comprising:

means for receiving a retransmission of the packet after transmitting the NACK message, wherein the retransmitted packet is bundled with a second packet comprising content different from content of the packet.

17. An apparatus for wireless communication, the apparatus comprising:

a memory; and

at least one processor coupled to the memory and configured to:

receive a packet when the UE is in a semi-persistent scheduling (SPS) mode;

transmit a negative-acknowledgement (NACK) message when the packet is not successfully decoded; and

refrain from transmitting an acknowledgement (ACK) message when the packet is successfully decoded.

18. The apparatus of claim 17, wherein the packet is addressed to the UE in a unicast message.

19. The apparatus of claim 17, wherein the at least one processor is further configured to enter a power save state immediately after the packet is successfully decoded.

20. The apparatus of claim 17, wherein the packet is received during an on-duration of a connected state discontinuous reception (C-DRX) cycle.

21. The apparatus of claim 17, wherein the packet comprises voice over long term evolution (VoLTE) downlink (DL) traffic.

22. The apparatus of claim 17, wherein the packet is received on a physical downlink shared channel (PDSCH).

23. The apparatus of claim 17, wherein the packet is received in bundled subframes when the UE is located distal to edges of its coverage area.

24. The apparatus of claim 17, wherein the at least one processor is further configured to:

receive a retransmission of the packet after transmitting the NACK message, wherein the retransmitted packet is bundled with a second packet comprising content different from content of the packet.

25. A computer program product, comprising:

a computer-readable medium comprising code for:

receiving a packet when the UE is in a semi-persistent scheduling (SPS) mode;

transmitting a negative-acknowledgement (NACK) message when the packet is not successfully decoded; and

refraining from transmitting an acknowledgement (ACK) message when the packet is successfully decoded.

26. The computer program product of claim 25, wherein the packet is addressed to the UE in a unicast message.

27. The computer program product of claim 25, wherein the computer-readable medium further comprises code for entering a power save state immediately after the packet is successfully decoded.

28. The computer program product of claim 25, wherein the packet is received during an on-duration of a connected state discontinuous reception (C-DRX) cycle.

29. The computer program product of claim 25, wherein the packet comprises voice over long term evolution (VoLTE) downlink (DL) traffic.

30. The computer program product of claim 25, wherein the packet is received on a physical downlink shared channel (PDSCH).