Abstract
Systems and methodologies are described that facilitate indicating feedback parameters for multiple single carrier assignments multicarrier assignments and/or the like according to single carrier-frequency division multiple access (SC-FDMA) relaxed SC-FDMA etc. Feedback in relaxed SC-FDMA can be bundled by a mobile device to conserve power. In addition a downlink assignment indicator (DAI) can be utilized to detect and indicate lost grants.
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Specification Information
Specification Information
Technologies
Family Information
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Technologies
Resource configuration
Product
User Equipment (UE/Terminal)
Use Cases
Wireless communication
Services
Transmitting/receiving data in downlink
Claim
1. A method, comprising:receiving a plurality of downlink resource grants related to a plurality of carriers for data transmission;determining a format for providing a plurality of feedback parameters related to the plurality of downlink resource grants based at least in part on a power requirement; and transmitting one or more of the plurality of feedback parameters based at least in part on the format.
2. The method of claim 1, wherein the determining the format for providing the plurality of feedback parameters includes determining to bundle the plurality of feedback parameters, and the transmitting the one or more of the plurality of feedback parameters includes transmitting a single feedback parameter representative of the plurality of feedback parameters.
3. The method of claim 2, wherein the transmitting the single feedback parameter includes transmitting an acknowledgement where the plurality of feedback parameters are acknowledgements, or transmitting a non-acknowledgement where at least one of the plurality of feedback parameters is non-acknowledgement.
4. The method of claim 2, wherein the transmitting the single feedback parameter includes transmitting an acknowledgement for one of the plurality of feedback parameters for which acknowledgement is indicated and a next one of the plurality of feedback parameters indicates non-acknowledgement.
5. The method of claim 2, further comprising:obtaining a sequence number for at least one of the plurality of downlink resource grants or a total number of the plurality of downlink resource grants based at least in part on a related downlink assignment index (DAI); and determining one or more lost downlink resource grants based at least in part on the sequence number or the total number of the plurality of downlink resource grants.
6. The method of claim 5, further comprising indicating a non-acknowledgement feedback parameter for the one or more lost downlink resource grants.
7. The method of claim 5, wherein the obtaining the sequence number for at least one of the plurality of downlink resource grants or the total number of the plurality of downlink resource grants further includes determining the sequence number or the total number of the plurality of downlink resource grants based at least in part on a mapping or a function using the related DAI.
8. The method of claim 1, further comprising obtaining an index indicating a number of downlink resource grants provided by an access point, wherein the determining one or more lost downlink resource grants is further based at least in part on the index.
9. The method of claim 1, wherein the determining the format for providing the plurality of feedback parameters includes switching between a bundling format
10. The method of claim 1, wherein the receiving the plurality of downlink resource grants includes receiving the plurality of downlink resource grants related to the plurality of carriers that vary over a plurality of subframes
11. A wireless communications apparatus, comprising: at least one processor configured to:obtain a plurality of downlink resource grants related to a plurality of carriers for data transmission;select a format for providing a plurality of feedback parameters related to the plurality of downlink resource grants based at least in part on a power requirement; and transmit one or more of the plurality of feedback parameters for the plurality of downlink resource grants based at least in part on the format; and a memory coupled to the at least one processor
12. The wireless communications apparatus of claim 11, wherein the at least one processor is further configured to bundle the plurality of feedback parameters to a single feedback parameter based at least in part on the format
13. The wireless communications apparatus of claim 12, wherein the at least one processor bundles the plurality of feedback parameters at least in part by specifying an acknowledgement in the single feedback parameter where the plurality of feedback parameters are acknowledgements, or specifying a non-acknowledgement in the single feedback parameter where at least one of the plurality of feedback parameters is non-acknowledgement
14. The wireless communications apparatus of claim 12, wherein the at least one processor bundles the plurality of feedback parameters at least in part by specifying an acknowledgement in the single feedback parameter, and the at least one processor transmits the single feedback parameter as the one or more of the plurality of feedback parameters over resources related to one of the plurality of feedback parameters for which acknowledgement is indicated where a next one of the plurality of feedback parameters indicates non-acknowledgement
15. The wireless communications apparatus of claim 12, wherein the at least one processor is further configured to:receive a sequence number for at least one of the plurality of downlink resource grants based at least in part on a related downlink assignment index; and detect one or more lost downlink resource grants based at least in part on the sequence number
16. The wireless communications apparatus of claim 15, wherein the at least one processor is further configured to indicate a non-acknowledgement in the one or more of the plurality of feedback parameters for the one or more lost downlink resource grants
17. An apparatus, comprising:means for receiving a plurality of downlink resource grants related to a plurality of carriers for data transmission;means for determining a format for providing a plurality of feedback parameters related to the plurality of downlink resource grants based at least in part on a power requirement; and means for transmitting one or more of the plurality of feedback parameters based at least in part on the format
18. The apparatus of claim 17, further comprising means for bundling the plurality of feedback parameters as a single feedback parameter based at least in part on the format
19. The apparatus of claim 18, wherein the means for bundling indicates an acknowledgement for the single feedback parameter where the plurality of feedback parameters are acknowledgements, or indicates non-acknowledgement for the single feedback parameter where at least one of the plurality of feedback parameters is non-acknowledgement.
20. The apparatus of claim 18, wherein the means for bundling indicates an acknowledgement for the single feedback parameter, and the means for transmitting transmits the single feedback parameter over resources related to one of the plurality of feedback parameters for which acknowledgement is indicated where a next one of the plurality of feedback parameters indicates non-acknowledgement.
21. The apparatus of claim 18, further comprising means for determining one or more lost downlink resource grants based at least in part on a sequence number obtained from a downlink assignment index related to one or more of the plurality of downlink resource grants.
22. The apparatus of claim 21, wherein the means for transmitting transmits non-acknowledgement for at least one of the plurality of feedback parameters, which relates to the one or more lost downlink resource grants.
23. A computer program product, comprising: a computer-readable medium comprising:code for causing at least one computer to obtain a plurality of downlink resource grants related to a plurality of carriers for data transmission;code for causing the at least one computer to select a format for providing a plurality of feedback parameters related to the plurality of downlink resource grants based at least in part on a power requirement; and code for causing the at least one computer to transmit one or more of the plurality of feedback parameters for the plurality of downlink resource grants based at least in part on the format.
24. The computer program product of claim 23, wherein the computer-readable medium further comprises code for causing the at least one computer to bundle the plurality of feedback parameters to a single feedback parameter based at least in part on the format.
25. The computer program product of claim 24, wherein the code for causing the at least one computer to bundle bundles the plurality of feedback parameters at least in part by specifying an acknowledgement in the single feedback parameter where the plurality of feedback parameters are acknowledgements, or by specifying a non-acknowledgement in the single feedback parameter where at least one of the plurality of feedback parameters is non-acknowledgement.
26. The computer program product of claim 24, wherein the code for causing the at least one computer to bundle bundles the plurality of feedback parameters at least in part by specifying an acknowledgement in the single feedback parameter, and the code for causing the at least one computer to transmit transmits the single feedback parameter as the one or more of the plurality of feedback parameters over resources related to one of the plurality of feedback parameters for which acknowledgement is indicated where a next one of the plurality of feedback parameters indicates non-acknowledgement.
27. The computer program product of claim 24, wherein the computer-readable medium further comprises:code for causing the at least one computer to receive a sequence number for at least one of the plurality of downlink resource grants based at least in part on a related downlink assignment index; and code for causing the at least one computer to detect one or more lost downlink resource grants based at least in part on the sequence number.
28. The computer program product of claim 27, wherein the computer-readable medium further comprises code for causing the at least one computer to indicate a non-acknowledgement in the one or more of the plurality of feedback parameters for the one or more lost downlink resource grants.
29. An apparatus, comprising:a downlink grant receiving component that obtains a plurality of downlink resource grants related to a plurality of carriers for data transmission;a hybrid automatic repeat/request (HARQ) format selecting component that determines a format for providing a plurality of feedback parameters related to the plurality of downlink resource grants based at least in part on a power requirement; and a HARQ indicating component that transmits one or more of the plurality of feedback parameters based at least in part on the format.
30. The apparatus of claim 29, further comprising a HARQ feedback bundling component that combines the plurality of feedback parameters in a single feedback parameter based at least in part on the format.
31. The apparatus of claim 30, wherein the HARQ feedback bundling component indicates an acknowledgement for the single feedback parameter where the plurality of feedback parameters are acknowledgements, or indicates non-acknowledgement for the single feedback parameter where at least one of the plurality of feedback parameters is non-acknowledgement.
32. The apparatus of claim 30, wherein the HARQ feedback bundling component indicates an acknowledgement for the single feedback parameter, and the HARQ indicating component transmits the single feedback parameter over resources related to one of the plurality of feedback parameters for which acknowledgement is indicated where a next one of the plurality of feedback parameters indicates non-acknowledgement.
33. The apparatus of claim 30, further comprising a lost grant determining component that detects one or more lost downlink resource grants based at least in part on a sequence number obtained from a downlink assignment index related to one or more of the plurality of downlink resource grants.
34. The apparatus of claim 33, wherein the HARQ indicating component transmits non-acknowledgement for at least one of the plurality of feedback parameters, which relates to the one or more lost downlink resource grants.']
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SUMMARY
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Implicitly disclosed patent:does not explicitly state certain aspects of the invention, but still allows for these to be inferred from the information provided.
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