Method and apparatus for selective acknowledgement of packets from an access probe

• US 9,425,937 B2
• Filed: 06/15/2015
• Issued: 08/23/2016
• Est. Priority Date: 04/04/2012
• Status: Active Grant

• Current Assignee: Qualcomm, Inc.
• Original Assignee: Qualcomm, Inc.
• Inventors: Sun, Jing, Attar, Rashid Ahmed Akbar, Patwardhan, Ravindra Manohar, Lott, Christopher Gerard
• Primary Examiner(s): ABRAHAM, ESAW T
• Application Number:
  US14/739,806
• Publication Number:
  US 20150341151A1
• Time in Patent Office: 435 Days
• US Class Current: 1/1
• CPC Class Codes: H04L 1/08 by repeating transmission, e.g. Verdan system H04L1/1858 and H04L1/189 take precedence
• CPC Class Codes: H04L 1/1614 using bitmaps
• CPC Class Codes: H04L 1/1685 the supervisory signal being transmitted in response to a specific request, e.g. to a polling signal
• CPC Class Codes: H04L 1/1809 Selective-repeat protocols
• CPC Class Codes: H04L 1/1864 ARQ related signaling H04L1/1607 takes precedence
• CPC Class Codes: H04L 5/0048 Allocation of pilot signals, i.e. of signals known to the receiver

Abstract

Aspects of the present disclosure are directed to apparatuses and methods capable of selective acknowledgement of packets from an access probe. In one aspect, an apparatus includes: a transceiver configured to receive a set of frames associated with an access probe message from a wireless node, wherein the access probe message includes a plurality of frames, and the set of frames comprises a subset of the plurality of frames; and a processing system configured to generate a selective acknowledgement message based on a determination of whether each frame in the set of frames is received correctly. The acknowledgement includes an indication of receipt for at least one frame in the set of frames. The transceiver can transmit the selective acknowledgement message with an identifier assigned to the wireless node to allow tracking of a response. Other aspects, embodiments, and features are also claimed and described.

Claims

1. A method for wireless communications comprising:

receiving a set of frames associated with an access probe message from a wireless node, wherein the access probe message comprises access data and signaling data in a plurality of frames, and the set of frames comprises a subset of the plurality of frames;

generating a selective acknowledgement message based on a determination of whether each frame in the set of frames is received correctly, wherein the acknowledgement comprises an indication of receipt for at least one frame in the set of frames; and

,

transmitting before acknowledging successful receipt of the access probe message, the selective acknowledgement message along with an identifier assigned to the wireless node to allow tracking of a response, by the wireless node, to the selective acknowledgement message.

2. The method of claim 1, further comprising:

transmitting a configuration message to the wireless node indicating support for selective acknowledgement of the plurality of frames associated with the access probe message.

3. The method of claim 2, further comprising:

receiving information indicating that the wireless node supports partial retransmission of the plurality of frames based on the transmission of the configuration message.

4. The method of claim 1, further comprising:

receiving, along with the identifier assigned to the wireless node, a retransmission of another set of frames associated with the access probe message, wherein the other set of frames consist of frames not previously correctly received.

5. The method of claim 4, wherein the set of frames associated with the access probe message is stored in a buffer, and the identifier assigned to the wireless node is associated with the buffer, the method further comprising:

receiving the other set of frames associated with the access probe message; and

storing the other set of frames in the buffer based on the identifier.

6. The method of claim 4, further comprising:

generating a second selective acknowledgement message based on a second determination of whether each frame in the retransmission of the other set of frames associated with the access probe message is received correctly, wherein the second acknowledgement comprises a second indication of receipt for at least one frame in the retransmitted set of frames; and

,

transmitting the second selective acknowledgement message along with a second identifier assigned to the wireless node to allow tracking of another response, by the wireless node, to the second selective acknowledgement message.

7. The method of claim 4, wherein the receiving of the retransmission of the other set of frames comprises receiving the retransmission of all frames not indicated in the indication of receipt.

8. The method of claim 1, wherein each frame in the plurality of frames comprises an error detection code configured to allow the determination of whether each frame in the set of frames is received without error.

9. The method of claim 1, wherein the indication of receipt in the acknowledgement comprises a bitmask.

10. The method of claim 1, further comprising:

storing the set of frames in a buffer comprising an allocation of a portion of the buffer for each frame in the plurality of frames, wherein each frame in the set of frames that is correctly received is stored in a corresponding allocation of the portion of the buffer.

11. An apparatus for wireless communications comprising:

means for receiving a set of frames associated with an access probe message from a wireless node, wherein the access probe message comprises access data and signaling data in a plurality of frames, and the set of frames comprises a subset of the plurality of frames;

means for generating a selective acknowledgement message based on a determination of whether each frame in the set of frames is received correctly, wherein the acknowledgement comprises an indication of receipt for at least one frame in the set of frames; and

,

means for transmitting before acknowledging successful receipt of the access probe message, the selective acknowledgement message along with an identifier assigned to the wireless node to allow tracking of a response, by the wireless node, to the selective acknowledgement message.

12. The apparatus of claim 11, further comprising:

means for transmitting a configuration message to the wireless node indicating support for selective acknowledgement of the plurality of frames associated with an access probe message.

13. The apparatus of claim 12, further comprising:

means for receiving information indicating that the wireless node supports partial retransmission of the plurality of frames based on the transmission of the configuration message.

14. The apparatus of claim 11, further comprising:

means for receiving, along with the identifier assigned to the wireless node, a retransmission of another set of frames associated with the access probe message, wherein the other set of frames consist of frames not previously correctly received.

15. The apparatus of claim 14, further comprising:

means for generating a second selective acknowledgement message based on a second determination of whether each frame in the retransmission of the other set of frames associated with the access probe message is received correctly, wherein the second acknowledgement comprises a second indication of receipt for at least one frame in the retransmitted set of frames; and

,

means for transmitting the second selective acknowledgement message along with a second identifier assigned to the wireless node to allow tracking of another response, by the wireless node, to the second selective acknowledgement message.

16. An apparatus for wireless communications comprising:

a transceiver configured to receive a set of frames associated with an access probe message from a wireless node, wherein the access probe message comprises access data and signaling data in a plurality of frames, and the set of frames comprises a subset of the plurality of frames; and

a processing system configured to generate a selective acknowledgement message based on a determination of whether each frame in the set of frames is received correctly, wherein the acknowledgement comprises an indication of receipt for at least one frame in the set of frames,

wherein the transceiver is configured to transmit before acknowledging successful receipt of the access probe message, the selective acknowledgement message along with an identifier assigned to the wireless node to allow tracking of a response, by the wireless node, to the selective acknowledgement message.

17. The apparatus of claim 16, wherein the transceiver is further configured to transmit a configuration message to the wireless node indicating support for selective acknowledgement of the plurality of frames associated with an access probe message.

18. The apparatus of claim 17, wherein the transceiver is further configured to receive information indicating that the wireless node supports partial retransmission of the plurality of frames based on the transmission of the configuration message.

19. The apparatus of claim 16, wherein the transceiver is further configured to receive, along with the identifier assigned to the wireless node, a retransmission of another set of frames associated with the access probe message, wherein the other set of frames consist of frames not previously correctly received.

20. The apparatus of claim 19, wherein the set of frames associated with the access probe message is stored in a buffer, and the identifier assigned to the wireless node is associated with the buffer, wherein the transceiver is further configured to receive the other set of frames associated with the access probe message;

and wherein the processing system is further configured to store the other set of frames in the buffer based on the identifier.

21. The apparatus of claim 19, wherein the processing system is further configured to generate a second selective acknowledgement message based on a second determination of whether each frame in the retransmission of the other set of frames associated with the access probe message is received correctly, wherein the second acknowledgement comprises a second indication of receipt for at least one frame in the retransmitted set of frames;

and

the transceiver is further configured to transmit the second selective acknowledgement message along with a second identifier assigned to the wireless node to allow tracking of another response, by the wireless node, to the second selective acknowledgement message.

22. The apparatus of claim 19, wherein the transceiver is further configured to receive a retransmission of all frames not indicated in the indication of receipt.

23. The apparatus of claim 16, wherein each frame in the plurality of frames comprises an error detection code configured to allow the determination of whether each frame in the set of frames is received without error.

24. The apparatus of claim 16, wherein the indication of receipt in the acknowledgement comprises a bitmask.

25. The apparatus of claim 16, wherein the processing system is further configured to store the set of frames in a buffer comprising an allocation of a portion of the buffer for each frame in the plurality of frames, wherein each frame in the set of frames that is correctly received is stored in a corresponding allocation of the portion of the buffer.

26. A computer readable medium storing computer executable code, comprising:

code for receiving a set of frames associated with an access probe message from a wireless node, wherein the access probe message comprises access data and signaling data in a plurality of frames, and the set of frames comprises a subset of the plurality of frames;

code for generating a selective acknowledgement message based on a determination of whether each frame in the set of frames is received correctly, wherein the acknowledgement comprises an indication of receipt for at least one frame in the set of frames; and

code for transmitting before acknowledging successful receipt of the access probe message, the selective acknowledgement message along with an identifier assigned to the wireless node to allow tracking of a response, by the wireless node, to the selective acknowledgement message.

27. The computer readable medium of claim 26, further comprising:

code for transmitting a configuration message to the wireless node indicating support for selective acknowledgement of the plurality of frames associated with an access probe message.

28. The computer readable medium of claim 27, further comprising:

code for receiving information indicating that the wireless node supports partial retransmission of the plurality of frames based on the transmission of the configuration message.

29. The computer readable medium of claim 26, further comprising:

code for receiving, along with the identifier assigned to the wireless node, a retransmission of another set of frames associated with the access probe message, wherein the other set of frames consist of frames not previously correctly received.

30. The computer readable medium of claim 29, further comprising:

code for generating a second selective acknowledgement message based on a second determination of whether each frame in the retransmission of the other set of frames associated with the access probe message is received correctly, wherein the second acknowledgement comprises a second indication of receipt for at least one frame in the retransmitted set of frames; and

,

code for transmitting the second selective acknowledgement message along with a second identifier assigned to the wireless node to allow tracking of another response, by the wireless node, to the second selective acknowledgement message.