Devices for enabling half-duplex communication
A wireless communication device for enabling half-duplex communication is described. The wireless communication device includes a processor and instructions stored in memory that is in electronic communication with the processor. The wireless communication device receives an indicator. The wireless communication device also determines a half-duplex frame structure with a regular uplink (UL) and downlink (DL) switching pattern based on the indicator. The half-duplex frame structure includes at least one UL subframe group including one or multiple consecutive UL subframes and at least one DL subframe group including one or multiple consecutive DL subframes. The wireless communication device further receives DL information in at least one of the DL subframes. The wireless communication device additionally sends UL information in at least one of the UL subframes.
1. A wireless communication device for enabling half-duplex communication, comprising:
a processor;
memory in electronic communication with the processor;
instructions stored in the memory, the instructions being executable to:
receive an indicator via at least one of the group consisting of radio resource control (RRC) signaling, a broadcast signal and a synchronization signal;
determine a half-duplex frame structure with a regular uplink (UL) and downlink (DL) switching pattern and corresponding DL and UL association timings based on the indicator, the half-duplex frame structure comprising at least one UL subframe group including one or multiple consecutive UL subframes and at least one DL subframe group including one or multiple consecutive DL subframes;
receive DL information in at least one of the DL subframes;
send UL information in at least one of the UL subframes;
determine an offset value;
apply the offset to a Physical Downlink Shared Channel (PDSCH) Hybrid Automatic Repeat Request Acknowledgement (HARQ-ACK) association, to a Physical Uplink Shared Channel (PUSCH) scheduling association and to a PUSCH HARQ-ACK association; and
determine a DL subframe group and a UL subframe group pattern based on the offset applied to the PDSCH HARQ-ACK association, the PUSCH scheduling association and the PUSCH HARQ-ACK association;
wherein the wireless communication device is a Machine-Type Communication (MTC) device.
2. The wireless communication device of claim 1 , wherein the instructions are further executable to monitor a restricted DL subframe set including fewer than all DL subframes in the at least one DL subframe group.
3. The wireless communication device of claim 1 , wherein the at least one UL subframe group comprises four UL subframes and the at least one DL subframe group comprises four DL subframes, and wherein the at least one UL subframe group is switched with the at least one DL subframe group, where a fixed 4 millisecond DL and UL association timing is applied on the four continuous subframe group switching pattern.
4. The wireless communication device of claim 1 , wherein the instructions are further executable to apply different association timings to form a guard period for DL to UL switching in half-duplex operation.
5. The wireless communication device of claim 1 , wherein the UL subframe group includes a different number of subframes than the DL subframe group, and wherein the instructions are further executable to apply a group association mapping.
6. The wireless communication device of claim 1 , wherein a half-duplex frame structure periodicity is the same as a radio frame periodicity.
7. The wireless communication device of claim 1 , wherein the at least one UL subframe group corresponds to a first carrier and the at least one DL subframe group corresponds to a second carrier that is separate from the first carrier.
8. The wireless communication device of claim 7 , wherein at least one of Time-Division Duplexing (TDD) uplink-downlink (UL-DL) configurations 0-6 with one or more corresponding associations is applied for half-duplex operations on a Frequency-Division Duplexing (FDD) cell, in which the DL subframes are defined on the DL carrier, and the UL subframes are defined on the UL carrier.
9. A wireless communication device for enabling half-duplex communication, comprising:
a processor;
memory in electronic communication with the processor;
instructions stored in the memory, the instructions being executable to:
receive an indicator via at least one of the group consisting of radio resource control (RRC) signaling, a broadcast signal and a synchronization signal;
determine a half-duplex frame structure with a regular uplink (UL) and downlink (DL) switching pattern and corresponding DL and UL association timings based on the indicator, the half-duplex frame structure comprising at least one UL subframe group including one or multiple consecutive UL subframes and at least one DL subframe group including one or multiple consecutive DL subframes, wherein the at least one UL subframe group corresponds to a first carrier and the at least one DL subframe group corresponds to a second carrier that is separate from the first carrier, wherein the half-duplex frame structure includes at least one convertible subframe based on a range of Time-Division Duplexing (TDD) uplink-downlink (UL-DL) configurations;
receive DL information in at least one of the DL subframes;
send UL information in at least one of the UL subframes;
apply a Physical Downlink Shared Channel (PDSCH) Hybrid Automatic Repeat Request Acknowledgement (HARQ-ACK) association corresponding to a first TDD UL-DL configuration; and
apply a Physical Uplink Shared Channel (PUSCH) scheduling association and a PUSCH HARQ-ACK association corresponding to a second TDD UL-DL configuration.
10. An evolved Node B (eNB) for enabling half-duplex communication, comprising:
a processor;
memory in electronic communication with the processor;
instructions stored in the memory, the instructions being executable to:
determine an indicator that indicates a half-duplex frame structure with a regular uplink (UL) and downlink (DL) switching pattern and corresponding DL and UL association timings, the half-duplex frame structure comprising at least one UL subframe group including one or multiple consecutive UL subframes and at least one DL subframe group including one or multiple consecutive DL subframes, wherein the at least one UL subframe group corresponds to a first carrier and the at least one DL subframe group corresponds to a second carrier that is separate from the first carrier;
send the indicator via at least one of the group consisting of radio resource control (RRC) signaling, a broadcast signal and a synchronization signal, wherein the indicator is sent to a Machine-Type Communication (MTC) device;
receive UL information in at least one of the UL subframes; and
send DL information in at least one of the DL subframes;
wherein at least one of Time-Division Duplexing (TDD) uplink-downlink (UL-DL) configurations 0-6 with one or more corresponding associations is applied for half-duplex operations on a Frequency-Division Duplexing (FDD) cell, in which the DL subframes are defined on the DL carrier, and the UL subframes are defined on the UL carrier.
11. The eNB of claim 10 , wherein the at least one UL subframe group comprises four UL subframes and the at least one DL subframe group comprises four DL subframes, and wherein the at least one UL subframe group is switched with the at least one DL subframe group, where a fixed 4 millisecond DL and UL association timing is applied on the four continuous subframe group switching pattern.
12. The eNB of claim 10 , wherein the instructions are further executable to send one or more offsets.
13. The eNB of claim 10 , wherein the UL subframe group includes a different number of subframes than the DL subframe group, and wherein the instructions are further executable to apply a group association mapping.
14. The eNB of claim 10 , wherein a half-duplex frame structure periodicity is the same as a radio frame periodicity.
15. An evolved Node B (eNB) for enabling half-duplex communication, comprising:
a processor;
memory in electronic communication with the processor;
instructions stored in the memory, the instructions being executable to:
determine an indicator that indicates a half-duplex frame structure with a regular uplink (UL) and downlink (DL) switching pattern and corresponding DL and UL association timings, the half-duplex frame structure comprising at least one UL subframe group including one or multiple consecutive UL subframes and at least one DL subframe group including one or multiple consecutive DL subframes, wherein the at least one UL subframe group corresponds to a first carrier and the at least one DL subframe group corresponds to a second carrier that is separate from the first carrier, wherein the half-duplex frame structure includes at least one convertible subframe based on a range of Time-Division Duplexing (TDD) uplink-downlink (UL-DL) configurations;
send the indicator via at least one of the group consisting of radio resource control (RRC) signaling, a broadcast signal and a synchronization signal;
receive UL information in at least one of the UL subframes;
send DL information in at least one of the DL subframes;
apply a Physical Downlink Shared Channel (PDSCH) Hybrid Automatic Repeat Request Acknowledgement (HARQ-ACK) association corresponding to a first TDD UL-DL configuration; and
apply a Physical Uplink Shared Channel (PUSCH) scheduling association and a PUSCH HARQ-ACK association corresponding to a second TDD UL-DL configuration.
16. A method for enabling half-duplex communication on a wireless communication device, comprising:
receiving an indicator via at least one of the group consisting of radio resource control (RRC) signaling, a broadcast signal and a synchronization signal;
determining a half-duplex frame structure with a regular uplink (UL) and downlink (DL) switching pattern and corresponding DL and UL association timings based on the indicator, the half-duplex frame structure comprising at least one UL subframe group including one or multiple consecutive UL subframes and at least one DL subframe group including one or multiple consecutive DL subframes;
receiving DL information in at least one of the DL subframes;
sending UL information in at least one of the UL subframes;
determining an offset value;
applying the offset to a Physical Downlink Shared Channel (PDSCH) Hybrid Automatic Repeat Request Acknowledgement (HARQ-ACK) association, to a Physical Uplink Shared Channel (PUSCH) scheduling association and to a PUSCH HARQ-ACK association; and
determining a DL subframe group and a UL subframe group pattern based on the offset applied to the PDSCH HARQ-ACK association, the PUSCH scheduling association and the PUSCH HARQ-ACK association;
wherein the wireless communication device is a Machine-Type Communication (MTC) device.
17. The method of claim 16 , further comprising monitoring a restricted DL subframe set including fewer than all DL subframes in the at least one DL subframe group.
18. The method of claim 16 , wherein the at least one UL subframe group comprises four UL subframes and the at least one DL subframe group comprises four DL subframes, and wherein the at least one UL subframe group is switched with the at least one DL subframe group, where a fixed 4 millisecond DL and UL association timing is applied on the four continuous subframe group switching pattern.
19. The method of claim 16 , further comprising applying different association timings to form a guard period for DL to UL switching in half-duplex operation.
20. The method of claim 16 , wherein the UL subframe group includes a different number of subframes than the DL subframe group, and wherein the method further comprises applying a group association mapping.
21. The method of claim 16 , wherein a half-duplex frame structure periodicity is the same as a radio frame periodicity.
22. The method of claim 16 , wherein the at least one UL subframe group corresponds to a first carrier and the at least one DL subframe group corresponds to a second carrier that is separate from the first carrier.
23. The method of claim 22 , wherein at least one of Time-Division Duplexing (TDD) uplink-downlink (UL-DL) configurations 0-6 with one or more corresponding associations is applied for half-duplex operations on a Frequency-Division Duplexing (FDD) cell, in which the DL subframes are defined on the DL carrier, and the UL subframes are defined on the UL carrier.
24. A method for enabling half-duplex communication on a wireless communication device, comprising:
receiving an indicator via at least one of the group consisting of radio resource control (RRC) signaling, a broadcast signal and a synchronization signal;
determining a half-duplex frame structure with a regular uplink (UL) and downlink (DL) switching pattern and corresponding DL and UL association timings based on the indicator, the half-duplex frame structure comprising at least one UL subframe group including one or multiple consecutive UL subframes and at least one DL subframe group including one or multiple consecutive DL subframes, wherein the at least one UL subframe group corresponds to a first carrier and the at least one DL subframe group corresponds to a second carrier that is separate from the first carrier, wherein the half-duplex frame structure includes at least one convertible subframe based on a range of Time-Division Duplexing (TDD) uplink-downlink (UL-DL) configurations;
receiving DL information in at least one of the DL subframes;
sending UL information in at least one of the UL subframes;
applying a Physical Downlink Shared Channel (PDSCH) Hybrid Automatic Repeat Request Acknowledgement (HARQ-ACK) association corresponding to a first TDD UL-DL configuration; and
applying a Physical Uplink Shared Channel (PUSCH) scheduling association and a PUSCH HARQ-ACK association corresponding to a second TDD UL-DL configuration.
25. A method for enabling half-duplex communication on an evolved Node B (eNB), comprising:
determining an indicator that indicates a half-duplex frame structure with a regular uplink (UL) and downlink (DL) switching pattern and corresponding DL and UL association timings, the half-duplex frame structure comprising at least one UL subframe group including one or multiple consecutive UL subframes and at least one DL subframe group including one or multiple consecutive DL subframes, wherein the at least one UL subframe group corresponds to a first carrier and the at least one DL subframe group corresponds to a second carrier that is separate from the first carrier;
sending the indicator via at least one of the group consisting of radio resource control (RRC) signaling, a broadcast signal and a synchronization signal, wherein the indicator is sent to a Machine-Type Communication (MTC) device;
receiving UL information in at least one of the UL subframes; and
sending DL information in at least one of the DL subframes;
wherein at least one of Time-Division Duplexing (TDD) uplink-downlink (UL-DL) configurations 0-6 with one or more corresponding associations is applied for half-duplex operations on a Frequency-Division Duplexing (FDD) cell, in which the DL subframes are defined on the DL carrier, and the UL subframes are defined on the UL carrier.
26. The method of claim 25 , wherein the at least one UL subframe group comprises four UL subframes and the at least one DL subframe group comprises four DL subframes, and wherein the at least one UL subframe group is switched with the at least one DL subframe group, where a fixed 4 millisecond DL and UL association timing is applied on the four continuous subframe group switching pattern.
27. The method of claim 25 , further comprising sending one or more offsets.
28. The method of claim 25 , wherein the UL subframe group includes a different number of subframes than the DL subframe group, and wherein the method further comprises applying a group association mapping.
29. The method of claim 25 , wherein a half-duplex frame structure periodicity is the same as a radio frame periodicity.
30. A method for enabling half-duplex communication on an evolved Node B (eNB), comprising:
determining an indicator that indicates a half-duplex frame structure with a regular uplink (UL) and downlink (DL) switching pattern and corresponding DL and UL association timings, the half-duplex frame structure comprising at least one UL subframe group including one or multiple consecutive UL subframes and at least one DL subframe group including one or multiple consecutive DL subframes, wherein the at least one UL subframe group corresponds to a first carrier and the at least one DL subframe group corresponds to a second carrier that is separate from the first carrier, wherein the half-duplex frame structure includes at least one convertible subframe based on a range of Time-Division Duplexing (TDD) uplink-downlink (UL-DL) configurations;
sending the indicator via at least one of the group consisting of radio resource control (RRC) signaling, a broadcast signal and a synchronization signal;
receiving UL information in at least one of the UL subframes;
sending DL information in at least one of the DL subframes;
applying a Physical Downlink Shared Channel (PDSCH) Hybrid Automatic Repeat Request Acknowledgement (HARQ-ACK) association corresponding to a first TDD UL-DL configuration; and
applying a Physical Uplink Shared Channel (PUSCH) scheduling association and a PUSCH HARQ-ACK association corresponding to a second TDD UL-DL configuration.