Abstract
Certain aspects of the present disclosure propose techniques for transmission time interval TTI bundling for control channels e.g. physical downlink control channel PDCCH and enhanced PDCCH in long term evolution LTE (300). A user equipment UE determines a first set of possible decoding candidates for the downlink control channel in a first subframe of the bundle of subframes and a second set of possible decoding candidates for the downlink control channel in a second subframe in the bundle of subframes (302) wherein the first set of possible decoding candidates and the second set of possible decoding candidates are different and processes the bundle of subframes based at least in part on the determination (304).
Certain aspects of the present disclosure propose techniques for transmission time interval TTI bundling for control channels e.g. physical downlink control channel PDCCH and enhanced PDCCH in long term evolution LTE (300). A user equipment UE determines a first set of possible decoding candidates for the downlink control channel in a first subframe of the bundle of subframes and a second set of possible decoding candidates for the downlink control channel in a second subframe in the bundle of subframes (302) wherein the first set of possible decoding candidates and the second set of possible decoding candidates are different and processes the bundle of subframes based at least in part on the determination (304).
| Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | |||||
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| Declaration Date | Declaration Reference | Declaring Company | Specification Number | ||||||
| 4G | 13/06/2016 | ISLD-201706-016 | QUALCOMM INC | Yes | Family Member | ||||
| Not Available | 13/06/2016 | ISLD-201706-016 | QUALCOMM INC | Yes | Family Member | ||||
| 5G | 27/05/2020 | ISLD-202005-064 | QUALCOMM INC | No | Family Member | ||||
Specification Information
Specification Information
Technologies
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| US2015029953A1 | 4G | 13/06/2016 | ISLD-201706-016 | QUALCOMM INC | Yes | Basis Patent | ||||
| US2015029953A1 | Not Available | 13/06/2016 | ISLD-201706-016 | QUALCOMM INC | Yes | Basis Patent | ||||
| US2015029953A1 | 5G | 27/05/2020 | ISLD-202005-064 | QUALCOMM INC | Yes | Basis Patent | ||||
| CN105409154A | 4G | 13/06/2016 | ISLD-201706-016 | QUALCOMM INC | Yes | Family Member | ||||
| CN105409154A | Not Available | 13/06/2016 | ISLD-201706-016 | QUALCOMM INC | Yes | Family Member | ||||
| CN105409154A | 5G | 27/05/2020 | ISLD-202005-064 | QUALCOMM INC | No | Family Member | ||||
| EP3025449B1 | 4G | 13/06/2016 | ISLD-201706-016 | QUALCOMM INC | Yes | Family Member | ||||
| EP3025449B1 | Not Available | 13/06/2016 | ISLD-201706-016 | QUALCOMM INC | Yes | Family Member | ||||
| EP3025449B1 | 5G | 27/05/2020 | ISLD-202005-064 | QUALCOMM INC | No | Family Member | ||||
| JP2016531486A | 4G | 13/06/2016 | ISLD-201706-016 | QUALCOMM INC | Yes | Family Member | ||||
| JP2016531486A | Not Available | 13/06/2016 | ISLD-201706-016 | QUALCOMM INC | Yes | Family Member | ||||
| JP2016531486A | 5G | 27/05/2020 | ISLD-202005-064 | QUALCOMM INC | No | Family Member | ||||
| KR20160036588A | 4G | 13/06/2016 | ISLD-201706-016 | QUALCOMM INC | Yes | Family Member | ||||
| KR20160036588A | Not Available | 13/06/2016 | ISLD-201706-016 | QUALCOMM INC | Yes | Family Member | ||||
| KR20160036588A | 5G | 27/05/2020 | ISLD-202005-064 | QUALCOMM INC | No | Family Member | ||||
| WO2015012928A1 | 4G | 13/06/2016 | ISLD-201706-016 | QUALCOMM INC | No | Family Member | ||||
| WO2015012928A1 | Not Available | 13/06/2016 | ISLD-201706-016 | QUALCOMM INC | No | Family Member | ||||
| WO2015012928A1 | 5G | 27/05/2020 | ISLD-202005-064 | QUALCOMM INC | No | Family Member | ||||
| EP3232599A1 | 4G | 13/06/2016 | ISLD-201706-016 | QUALCOMM INC | No | Family Member | ||||
| EP3232599A1 | Not Available | 13/06/2016 | ISLD-201706-016 | QUALCOMM INC | No | Family Member | ||||
| EP3232599A1 | 5G | 27/05/2020 | ISLD-202005-064 | QUALCOMM INC | No | Family Member | ||||
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Technologies
Resource configuration
Product
Use Cases
Wireless communication
Services
Claim
1. A method of processing a downlink control channel sent as a bundled transmission over a bundle of sub frames, comprising:', 'determining a mapping between a first set of possible decoding candidates for the downlink control channel in a first subframe in the bundle of subframes and a second set of possible decoding candidates for the downlink control channel in a second subframe in the bundle of subframes; and', 'processing the bundle of subframes based, at least in part, on the determination.
2. The method of claim 1, wherein the downlink control channel comprises a physical downlink control channel (PDCCH) or an enhanced PDCCH (EPDCCH).
3. The method of claim 1, wherein the first set of possible decoding candidates and the second set of possible decoding candidates are different and the processing comprises:', 'determining decoding candidates in the first set of possible decoding candidates that are not in the second set of possible decoding candidates; and', 'ignoring the second subframe of the bundle of subframes for decoding and decoding the determined decoding candidates in the first subframe of the bundle of subframes or ignoring the first and second subframes of the bundle of subframes for decoding.
4. The method of claim 1, wherein a decoding candidate of an aggregation level in the first set of possible decoding candidates is mapped to a decoding candidate of the same aggregation level in the second set of possible decoding candidates.
5. The method of claim 1, wherein a first decoding candidate in the first set of possible decoding candidates is mapped to a second decoding candidate in the second set of possible decoding candidates, and wherein the first decoding candidate and the second decoding candidate have at least one of different aggregation levels, different number of decoding candidates for an aggregation level, or different types of control channel.
6. The method of claim 1, wherein:', 'the downlink control channel comprises a physical downlink control channel (PDCCH), and', 'the determining the mapping between the first set of possible decoding candidates and the second set of possible decoding candidates is based on a number of available control channel elements (CCEs) in the bundle of subframes.
7. The method of claim 1, wherein:', 'the downlink control channel comprises an enhanced physical downlink control channel (EPDCCH), and', 'the determining the mapping between the first set of possible decoding candidates and the second set of possible decoding candidates comprises determining an aggregation level supported in the bundle of subframes based on a number of resource elements (REs) available for the EPDCCH in a physical resource block (PRB) pair.
8. The method of claim 1, wherein:', 'the downlink control channel comprises an enhanced physical downlink control channel (EPDCCH) configured with a first EPDCCH resource set and a second', 'EPDCCH resource set, and', 'determining the mapping between the first set of possible decoding candidates and the second set of possible decoding candidates comprises determining a first mapping within the first EPDCCH resource set and determining a second mapping within the second EPDCCH resource set.
9. The method of claim 1, further comprising:', 'monitoring decoding candidates in a common search space and a UE-specific search space, and wherein', 'determining the mapping between the first set of possible decoding candidates and the second set of possible decoding candidates comprises determining a first mapping within the common search space and determining a second mapping within the UE-specific search space
10. The method of claim 2, wherein determining the mapping between the first set of possible decoding candidates and the second set of possible decoding candidates
comprises determining a first mapping within the PDCCH and determining a second mapping within the EPDCCH
11. The method of claim 1 , wherein:', 'a configuration of the first subframe is different from a configuration of the second subframe, and', 'the determining is based on the configuration of the first subframe and the configuration of the second subframe
12. The method of claim 11 , wherein the configuration of the first subframe and the configuration of the second subframe each comprises at least one of a subframe type or a number of symbols for downlink transmission in a subframe
13. The method of claim 1 , wherein:', 'the determining is based on a presence of other signals in the bundle of subframes, and', 'the processing comprises ignoring at least one decoding candidates in at least one subframe in the bundle of subframes
14. The method of claim 13, wherein the presence of other signals in the subframe comprises presence of at least one of a multimedia broadcast multicast service (MBMS) or positioning reference signal (PRS) transmission
15. A method of processing a downlink control channel sent as a bundled transmission over a bundle of subframes, comprising:', 'determining how to perform rate matching for the downlink control channel in different subframes of the bundle of subframes; and', 'processing the bundle of subframes based, at least in part, on the determination
16. The method of claim 15, wherein the processing comprises performing rate matching separately for each subframe in the bundle of subframes
17. The method of claim 15, wherein the processing comprises performing rate matching jointly for each subframe in the bundle of subframes
18. A method of sending a downlink control channel as a bundled transmission over a bundle of subframes, comprising:', 'determining a mapping between a first set of possible decoding candidates for the downlink control channel in a first subframe in the bundle of subframes and a second set of possible decoding candidates for the downlink control channel in a second subframe in the bundle of subframes; and', 'sending the bundle of subframes based, at least in part, on the determination
19. The method of claim 18, wherein the downlink control channel comprises a physical downlink control channel (PDCCH) or an enhanced PDCCH (EPDCCH).
20. The method of claim 18, wherein the first set of possible decoding candidates and the second set of possible decoding candidates are different.
21. The method of claim 18, wherein a decoding candidate of an aggregation level in the first set of possible decoding candidates is mapped to a decoding candidate of the same aggregation level in the second set of possible decoding candidates.
22. The method of claim 18, wherein a first decoding candidate in the first set of possible decoding candidates is mapped to a second decoding candidate in the second set of possible decoding candidates, and wherein the first decoding candidate and the second decoding candidate have at least one of different aggregation levels, different number of decoding candidates for an aggregation level, or different types of control channel.
23. The method of claim 18, wherein:', 'the downlink control channel comprises a physical downlink control channel (PDCCH), and
the determining the mapping between the first set of possible decoding candidates and the second set of possible decoding candidates is based on a number of available control channel elements (CCEs) in the bundle of subframes.
24. The method of claim 18, wherein:', 'the downlink control channel comprises an enhanced physical downlink control channel (EPDCCH), and', 'the determining the mapping between the first set of possible decoding candidates and the second set of possible decoding candidates comprises determining an aggregation level supported in the bundle of subframes based on a number of resource elements (REs) available for the EPDCCH in a physical resource block (PRB) pair.
25. The method of claim 18, wherein:', 'the downlink control channel comprises an enhanced physical downlink control channel (EPDCCH) configured with a first EPDCCH resource set and a second', 'EPDCCH resource set, and', 'determining the mapping between the first set of possible decoding candidates and the second set of possible decoding candidates comprises determining a first mapping within the first EPDCCH resource set and determining a second mapping within the second EPDCCH resource set.
26. The method of claim 19, wherein determining the mapping between the first set of possible decoding candidates and the second set of possible decoding candidates comprises determining a first mapping within the PDCCH and determining a second mapping within the EPDCCH.
27. The method of claim 18, wherein:', 'a configuration of the first subframe is different from a configuration of the second subframe, and', 'the determining is based on the configuration of the first subframe and the configuration of the second subframe.
28. The method of claim 27, wherein the configuration of the first subframe and the configuration of the second subframe each comprises at least one of a subframe type or a number of symbols for downlink transmission in a subframe.
29. An apparatus for processing a downlink control channel sent as a bundled transmission over a bundle of sub frames, comprising:', 'means for determining a mapping between a first set of possible decoding candidates for the downlink control channel in a first subframe in the bundle of subframes and a second set of possible decoding candidates for the downlink control channel in a second subframe in the bundle of subframes; and', 'means for processing the bundle of subframes based, at least in part, on the determination.
30. The apparatus of claim 29, wherein the first set of possible decoding candidates and the second set of possible decoding candidates are different and the means for processing comprises:', 'means for determining decoding candidates in the first set of possible decoding candidates that are not in the second set of possible decoding candidates; and', 'means for ignoring the second subframe of the bundle of subframes for decoding and decoding the determined decoding candidates in the first subframe of the bundle of subframes or ignoring the first and second subframes of the bundle of subframes for decoding.']
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