EMTC scheduling and MPDCCH monitoring
Methods and apparatuses for eMTC scheduling are disclosed. A method comprises receiving a control signal in a search space; and transmitting an uplink data after a first time duration of receiving the control signal or of receiving a downlink signal scheduled by the control signal, wherein the first time duration is comprised of at least one of a second time duration and a time duration offset (K offset ).
1. A method performed by a user equipment (UE), the method comprising:
receiving a control signal in a search space;
transmitting an uplink data after a first time duration of receiving the control signal or of receiving a downlink signal scheduled by the control signal, wherein the first time duration is comprised of at least one of a second time duration and a time duration offset (K offset ); and
monitoring the control signal from a starting time slot, the starting time slot is determined by at least one of a first offset (Δ*T) in a first period (T 0 ) and a second offset (a offset *T) in a second period (T), and the first period (T 0 ) is configured by a high layer with unit of the second period.
2. The method of claim 1 , wherein, the time duration offset is multiple of 10 ms or 40 ms.
3. A user equipment (UE) for wireless communication, comprising:
at least one memory;
at least one processor coupled with the at least one memory and configured to cause the UE to:
receive a control signal in a search space;
transmit an uplink data after a first time duration of receiving the control signal or of receiving a downlink signal scheduled by the control signal, wherein the first time duration is comprised of at least one of a second time duration and a time duration offset (K offset ); and
monitor the control signal from a starting time slot, the starting time slot is determined by at least one of a first offset (Δ*T) in a first period (T 0 ) and a second offset (a offset *T) in a second period (T), and the first period (T 0 ) is configured by a high layer with unit of the second period.
4. The UE of claim 3 , wherein the time duration offset is multiple of 10 ms or 40 ms.
5. The UE of claim 3 , wherein the time duration offset is determined by a valid subframe pattern.
6. The UE of claim 3 , wherein the time duration offset is a smallest integer multiple of 10 ms or 40 ms value that is equal to or larger than a preconfigured value.
7. The UE of claim 3 , wherein the time duration offset is configured from an offset set determined by a valid subframe pattern.
8. The UE of claim 3 , wherein the search space is configured by a scaling factor (G 0 ) and a maximum number (R max ), the scaling factor is determined by at least one of the time duration offset (K offset ), the maximum number (R max ), a preconfigured number, a type of satellite.
9. The UE of claim 3 , wherein the first offset (Δ*T) is configured by a high layer with unit of the second period (T).
10. The UE of claim 3 , wherein the first period (T 0 ) is determined by a first number (M) and the second period (T), wherein, the first number (M) is configured by higher layer signaling.
11. The UE of claim 3 , wherein the first offset (Δ*T) is determined by a second number (Δ) and the second period (T), wherein, the second number (Δ) is configured by higher layer signaling.
12. The UE of claim 3 , wherein the first period (T 0 ) is determined by the time duration offset (K offset ).
13. The UE of claim 3 , wherein the search space includes a search window (N*T) in the first period (T 0 ).
14. The UE of claim 13 , wherein the search window is configured by a high layer with unit of the second period (T).
15. The UE of claim 3 , wherein the search space is from the starting time slot to an end time slot, wherein the end time slot is determined according to at least one of a control signal indication and a third number of the control signal having been received.
16. The UE of claim 15 , wherein the control signal indication includes at least one of one bit indication in the control signal, one unused states indication of the control signal, HARQ process number in the control signal being equal to a predefined value and NDI in the control signal being toggled in the first period.
17. A method performed by a base unit, the method comprising:
transmitting a control signal; and
receiving an uplink data after a first time duration of transmitting the control signal or of transmitting a downlink signal scheduled by the control signal, wherein the first time duration is comprised of at least one of a second time duration and a time duration offset (K offset ), wherein a starting time slot for monitoring the control signal is based on at least one of a first offset (Δ*T) in a first period (T 0 ) and a second offset (a offset *T) in a second period (T), and the first period (T 0 ) is configured by a high layer with unit of the second period.
18. A base unit for wireless communication, comprising:
at least one memory;
at least one processor coupled with the at least one memory and configured to cause the base unit to:
transmit a control signal; and
receive an uplink data after a first time duration of transmitting the control signal or of transmitting a downlink signal scheduled by the control signal, wherein the first time duration is comprised of at least one of a second time duration and a time duration offset (K offset ), wherein a starting time slot for monitoring the control signal is based on at least one of a first offset (Δ*T) in a first period (T 0 ) and a second offset (a offset *T) in a second period (T), and the first period (T 0 ) is configured by a high layer with unit of the second period.
19. The base unit of claim 18 , wherein the time duration offset is multiple of 10 ms or 40 ms.
20. The base unit of claim 18 , wherein the time duration offset is determined by a valid subframe pattern.