METHOD AND APPARATUS OF UE AND ENB FOR MTC WITH NARROWBAND DEPLOYMENT
Methods, systems, devices, and apparatus including evolved node B (eNB) or user equipment (UE) for machine-type communications (MTC) with narrowband deployment are described. One embodiment includes control circuitry configured to determine a super-frame structure, where the super-frame structure is set, at least in part, on a bandwidth of the narrowband deployment, with a plurality of downlink physical channels areas multiplexed as part of a first downlink super-frame of the super-frame structure. Such an embodiment may include communication circuitry configured to transmit the first downlink super-frame comprising the plurality of multiplexed downlink physical channels, receive a plurality of uplink physical channels, and receive, in response to transmission of the first downlink super-frame, a hybrid automatic repeat request (HARQ) acknowledgement (ACK) or negative acknowledgement (NACK).
1 . An apparatus of an evolved nodeB (eNB) for machine-type communications (MTC), the apparatus comprising:
control circuitry configured to:
determine a super-frame structure;
multiplex a plurality of downlink physical channels as part of a first downlink super-frame of the super-frame structure; and
communication circuitry configured to:
transmit the first downlink super-frame comprising the plurality of multiplexed downlink physical channels; and
receive, in response to transmission of the first downlink super-frame, a hybrid automatic repeat request (HARQ) acknowledgement (ACK) or negative acknowledgement (NACK).
2 . The apparatus of claim 1 wherein the plurality of downlink physical channels are multiplexed using frequency division multiplexing (FDM).
3 . The apparatus of claim 1 wherein the plurality of downlink physical channels are multiplexed using time division multiplexing (TDM).
4 . The apparatus of claim 1 wherein the plurality of downlink physical channels comprises an MTC Physical Broadcast Channel (M-PBCH).
5 . The apparatus of claim 4 wherein the plurality of downlink physical channels further comprises MTC Synchronization Channel (M-SCH), MTC control channel, MTC Physical Downlink Shared Channel (M-PDSCH), MTC Physical Multicast Channel (M-PMCH).
6 . The apparatus of claim 4 wherein the control circuitry is further configured to generate an MTC Master Information Block(M-MIB), wherein the M-PBCH is generated to carry the M-MIB.
7 . The apparatus of claim 6 wherein the M-MIB comprises a plurality of transmitted parameters for initial access to the eNB.
8 . The apparatus of claim 7 wherein the M-PBCH is transmitted in a single radio frame of the super-frame structure.
9 . The apparatus of claim 8 wherein the super-frame structure including a starting subframe for the super-frame structure and a periodicity of the super-frame structure is set by a higher layer of the eNB.
10 . The apparatus of claim 1 wherein the communication circuitry is further configured to receive an MTC physical uplink shared channel (M-PUSCH) and transmit a physical downlink control channel (M-PDCCH);
wherein a delay between transmission of M-PUSCH and M-PDCCH transmission is one super-frame; and
wherein the delay between the delay between a transmission of M-PDCCH and M-PUSCH retransmission is one super-frame.
11 . The apparatus of claim 1 wherein a delay between transmission of the first downlink super-frame and receipt of the HARQ ACK or NACK is two super-frames.
12 . The apparatus of claim 1 wherein the communication circuitry is further configured to transmit an MTC physical downlink shared channel (M-PDSCH) and receive a physical uplink control channel (M-PUCCH);
wherein a delay between transmission of M-PDSCH and M-PUCCH transmission is one super-frame; and
wherein the delay between the delay between a transmission of M-PUCCH and M-PDSCH retransmission is one super-frame.
13 . The apparatus of claim 12 wherein multiple HARQ processes are configured in the first downlink super-frame, wherein multiple MTC physical downlink control channels (M-PDCCHs) schedule multiple M-PDSCHs in one super-frame.
14 . A non-transitory computer readable medium comprising instructions that, when executed by one or more processors, cause an evolved node B to:
determine a super-frame structure, wherein the super-frame structure is set, at least in part, on a bandwidth of the narrowband deployment;
multiplex a plurality of downlink physical channels as part of a first downlink super-frame of the super-frame structure; and
transmit the first downlink super-frame comprising the plurality of multiplexed downlink physical channels;
receive a plurality of uplink physical channels; and
receive, after a delay of one or more super-frames in response to transmission of the first downlink super-frame, a hybrid automatic repeat request (HARQ) acknowledgement (ACK) or negative acknowledgement (NACK).
15 . The computer readable medium of claim 14 wherein the plurality of downlink physical channels comprises an MTC Physical Broadcast Channel (M-PBCH); and
wherein the M-PBCH is generated to carry an MTC Master Information Block (M-MIB).
16 . The computer readable medium of claim 14 wherein the plurality of downlink physical channels further comprises MTC Synchronization Channel (M-SCH), MTC control channel comprising a physical uplink control channel (M-PUCCH), MTC Physical Downlink Shared Channel (M-PDSCH), MTC Physical Multicast Channel (M-PMCH);
wherein a delay between transmission of M-PDSCH and M-PUCCH transmission is one super-frame; and
wherein the delay between the delay between the transmission of M-PUCCH and M-PDSCH retransmission is one super-frame.
17 . The computer readable medium of claim 14 wherein the plurality of downlink physical channels comprises an MTC Physical Broadcast Channel (M-PBCH); and
wherein the M-PBCH is generated to carry an MTC Master Information Block(M-MIB).
18 . The computer readable medium of claim 17 wherein the M-MIB comprises a plurality of transmitted parameters for initial access to the eNB;
wherein the M-PBCH is transmitted in a single radio frame of the super-frame structure; and
wherein the super-frame structure including a starting subframe for the super-frame structure and a periodicity of the super-frame structure is set by a higher layer of the eNB.
19 . The computer readable medium of claim 14 further comprising:
transmitting an MTC physical downlink shared channel (M-PDSCH) and receive a physical uplink control channel (M-PUCCH);
wherein a delay between transmission of M-PDSCH and M-PUCCH transmission is one super-frame; and
wherein the delay between the delay between transmission of M-PUCCH and M-PDSCH retransmission is one super-frame.
20 . An apparatus of a user equipment (UE) for machine-type communications (MTC), the apparatus comprising:
control circuitry configured to:
determine a super-frame structure, wherein the super-frame structure is set, at least in part, on a coverage enhancement target of the narrowband deployment;
multiplex a plurality of uplink physical channels as part of a first uplink super-frame of the super-frame structure; and
transmit circuitry configured to transmit the first uplink super-frame comprising the plurality of multiplexed uplink physical channels; and
receive circuitry configured to:
receive a plurality of downlink physical channels; and
receive, in response to transmission of the first uplink super-frame, a hybrid automatic repeat request (HARQ) acknowledgement (ACK) or negative acknowledgement (NACK).
21 . The apparatus of claim 20 wherein the transmit circuitry is further configured to transmit an MTC physical downlink shared channel (M-PDSCH);
wherein the receive circuitry is configured to receive a physical uplink control channel (M-PDCCH);
wherein a delay between transmission of M-PUSCH and M-PDCCH transmission is one super-frame; and
wherein the delay between the delay between transmission of M-PDCCH and M-PUSCH retransmission is one super-frame.
22 . The apparatus of claim 21 wherein the receive circuitry is further configured to receive an MTC physical broadcast channel (M-PBCH) transmission in a second super-frame.
23 . The apparatus of claim 22 wherein the control circuitry is further configured to identify an MTC master information block (M-MIB) based on the M-PBCH.