Abstract
Embodiments of the present invention provide a communication method for a carrier aggregation system. The communication method includes receiving physical downlink share channel PDSCH information sent by a base station through a subframe n of a secondary cell. If a subframe n of a primary cell is a downlink subframe, an ACK/NACK of the sent PDSCH information is fed back on a subframe m or a subframe p of the primary cell.
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4G | 26/10/2022 | ISLD-202210-036 | HUAWEI |
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CN102651680A | 4G | 28/09/2012 | ISLD-201210-006 | HUAWEI | Yes | Basis Patent | ||||
CN102651680A | 4G | 26/10/2022 | ISLD-202210-036 | HUAWEI |
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Publication No | Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | Status | National Phase Entries | |||||
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Technologies
Product
Use Cases
Services
Claim
1. A communication method for carrier aggregation of time division duplexing (TDD) and frequency division duplexing (FDD), comprising:
sending downlink information to a user equipment through a subframe n of a secondary cell; and
receiving an ACK/NACK of the downlink information sent by the user equipment on a subframe m of a primary cell;
wherein n and m are subframe indexes, a subframe n of the primary cell is a downlink subframe, and the subframe m of the primary cell is determined according to an ACK/NACK timing relationship to which the subframe n of the primary cell corresponds.
2. The communication method according to claim 1, wherein the downlink information is physical downlink share channel (PDSCH) information.
3. The communication method according to claim 2, wherein before sending the downlink information to the UE through the subframe n of the secondary cell, the method further comprises:
sending physical downlink control channel (PDCCH) information on the subframe n of the primary cell, wherein the PDCCH information is used to schedule the PDSCH information.
4. The communication method according to claim 2, further comprising: before the sending downlink information to the UE through the subframe n of the secondary cell, further comprising:
performing shift processing of subframe level for a wireless frame of the primary cell compared to a wireless frame of the secondary cell.
5. The communication method according to claim 4, after the shift processing, further comprising:
sending a notification of the shift processing to the user equipment.
6. The communication method according to claim 2, further comprising: before the sending downlink information to the UE through the subframe n of the secondary cell, further comprising:
performing shift processing of subframe level for the wireless frame of the secondary cell compared to the wireless frame of the primary cell.
7. The communication method according to claim 6, after the shift processing, further comprising:
sending a notification of the shift processing to the user equipment.
8. A communication method for carrier aggregation of time division duplexing (TDD) and frequency division duplexing (FDD), comprising:
sending downlink information to a user equipment through a subframe n of a secondary cell; and
receiving an ACK/NACK of the downlink information sent by the user equipment on a preset uplink subframe of a primary cell;
wherein a subframe n of the primary cell is an uplink subframe, a subframe p in the primary cell is a downlink subframe, n and p are subframe indexes, and the subframe p of the primary cell is determined according to an ACK/NACK timing relationship to which the subframe n of the secondary cell corresponds.
9. The communication method according to claim 8, wherein the downlink information is physical downlink share channel (PDSCH) information.
10. An apparatus supporting carrier aggregation of time division duplexing (TDD) and frequency division duplexing (FDD), comprising:
a transmitter, configured to send downlink information to a user equipment through a subframe n of a secondary cell; and
a receiver, configured to:
receive an ACK/NACK of the downlink information sent by the user equipment on a subframe m of a primary cell;
wherein n and m are subframe indexes, a subframe n of the primary cell is a downlink subframe, and the subframe m of a primary cell is determined according to an ACK/NACK timing relationship to which the subframe n of the primary cell corresponds.
11. The apparatus according to claim 10, wherein the downlink information is physical downlink share channel (PDSCH) information.
12. The apparatus according to claim 11, wherein the sender is further configured to send physical downlink control channel (PDCCH) information on the subframe n of the primary cell, wherein the PDCCH information is used to schedule the PDSCH information.
13. The apparatus according to claim 11, further comprising:
a processor, configured to perform shift processing of subframe level for a wireless frame of the primary cell compared to a wireless frame of the secondary cell.
14. The apparatus according to claim 13, wherein the transmitter is further configured to a notification of the shift processing to the user equipment.
15. The apparatus according to claim 11, further comprising:
a processor, configured to perform shift processing of subframe level for the wireless frame of the secondary cell compared to the wireless frame of the primary cell.
16. The apparatus according to claim 15, wherein the transmitter is further configured to a notification of the shift processing to the user equipment.
17. An apparatus for a carrier aggregation of time division duplexing (TDD) and frequency division duplexing (FDD), comprising:
a transmitter, configured to send downlink information to a user equipment through a subframe n of a secondary cell; and
a receiver, configured to receive an ACK/NACK of the downlink information sent by the user equipment on a preset uplink subframe of a primary cell;
wherein a subframe n of the primary cell is an uplink subframe, a subframe p of the primary cell is a downlink subframe, n and p are subframe indexes, and the subframe p of the primary cell is determined according to an ACK/NACK timing relationship to which the subframe n of the secondary cell corresponds.
18. The apparatus according to claim 17, wherein the downlink information is physical downlink share channel (PDSCH) information.
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The information in blue was extracted from the third parties (Standard Setting Organisation, Espacenet)
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Explicitly disclosed patent:openly and comprehensibly describes all details of the invention in the patent document.
Implicitly disclosed patent:does not explicitly state certain aspects of the invention, but still allows for these to be inferred from the information provided.
Basis patent:The core patent in a family, outlining the fundamental invention from which related patents or applications originate.
Family member:related patents or applications that share a common priority or original filing.