DATA TRANSMISSION METHOD AND DEVICE

1 . A method for transmitting data, the method comprising:

determining, by a UE, a start position of a time unit of the UE, and determining a division of uplink and downlink regions in the time unit;

detecting, by the UE, a downlink control channel in the downlink region of the time unit; and

performing, by the UE, a uplink transmission in an uplink region corresponding to the downlink region according to a detection result.

2 . The method according to claim 1 , wherein determining, by the UE, the start position of the time unit of the UE comprises:

receiving, by the UE, a first configuration signaling, and determining the start position of the time unit according to the first configuration signaling, wherein:

the first configuration signaling carries a time offset of the time unit relative to a preset reference time unit; or the first configuration signaling carries information about the start position of the time unit.

3 . The method according to claim 1 , wherein determining, by the UE, the division of uplink and downlink regions in the time unit comprises:

receiving, by the UE, a second configuration signaling, and determining the division of uplink and downlink regions in the time unit according to the second configuration signaling; or

determining, by the UE, an uplink region in the time unit according to a uplink scheduling signaling; or

determining, by the UE, an uplink region carrying Acknowledgement (ACK)/Negative Acknowledgement (NACK) for a downlink transmission according to a feedback position of the ACK/NACK;

wherein the second configuration signaling carries information about a length and position of at least one of an uplink region, a downlink region, and a GP region in the time unit; or

the second configuration signaling carries information representing a division pattern of an uplink region and/or a downlink region in the time unit, wherein the division pattern of an uplink region and/or a downlink region in the time unit is one of a plurality of preset division patterns of an uplink region and/or a downlink region in a time unit; or

the second configuration signaling carries information about a start position or an end position of one or more downlink regions in the time unit; or

the second configuration signaling carries information about a start position or an end position of one or more uplink regions in the time unit.

4 . The method according to claim 1 , wherein performing, by the UE, the uplink transmission in the uplink region corresponding to the downlink region according to the detection result comprises:

if a downlink control channel with an uplink Downlink Control Information (DCI) format is detected, then transmitting, by the UE, an uplink shared channel in an uplink region corresponding to a downlink region comprising the downlink control channel; or

if a downlink control channel with a downlink DCI format, indicating a downlink Semi-Persistent Scheduling (SPS) resource release is detected, then feeding back, by the UE, ACK/NACK in an uplink region corresponding to a downlink region comprising the downlink control channel; or

if a downlink shared channel is detected, then feeding back, by the UE, ACK/NACK in an uplink region corresponding to a downlink region comprising the downlink shared channel.

5 . The method according to claim 4 , wherein if a downlink control channel with a downlink DCI format indicating a downlink SPS resource release is detected, the uplink region corresponding to the downlink region is: a predefined or pre-configured uplink region in a same time unit as the downlink region comprising the downlink control channel; or an uplink region determined according to an indicating field in the downlink control channel; or an uplink region spaced from an end of the downlink region comprising the downlink control channel by a preset length of time after the end of the downlink region;

or

if a downlink shared channel is detected, the uplink region corresponding to the downlink region is: a predefined or pre-configured uplink region in a same time unit as the downlink region comprising the downlink shared channel; or an uplink region determined according to an indicating field in scheduling signaling of the downlink shared channel; or an uplink region spaced from an end of the downlink region comprising the downlink shared channel by a preset length of time after the end of the downlink region;

or

if a downlink control channel with an uplink DCI format is detected, the uplink region corresponding to the downlink region is: a predefined or pre-configured uplink region in a same time unit as the downlink region comprising the downlink control channel; or a predefined or pre-configured uplink region in a time unit after the time unit comprising the downlink region; or

an uplink region determined according to an indicating field in the downlink control channel.

6 . The method according to claim 1 , further comprises at least one of following:

the time unit is one or more slots; or

the time unit is one or more subframes;

quantities of downlink regions in time units for transmitting different services are same or different;

quantities of uplink regions in time units for transmitting different services are same or different;

if the time unit comprises at least two downlink regions, lengths of respective downlink regions are same or different;

if the time unit comprises at least two uplink regions, lengths of respective uplink regions are same or different.

7 - 8 . (canceled)

9 . A method for transmitting data, the method comprising:

determining, by an eNB, a start position of a time unit of a UE, and determining a division of uplink and downlink regions in the time unit of the UE;

sending, by the eNB, a downlink transmission to the UE in a downlink region in the time unit of the UE; and

receiving, by the eNB, a uplink transmission of the UE in an uplink region corresponding to the downlink region comprising the downlink transmission.

10 . The method according to claim 9 , wherein after the eNB determines the start position of the time unit of the UE, the method further comprises:

notifying, by the eNB, the UE of the start position via a first configuration signaling, wherein:

the first configuration signaling carries a time offset of the time unit of the UE relative to a preset reference time unit; or

the first configuration signaling carries information about the start position of the time unit of the UE.

11 . The method according to claim 9 , wherein configuring, by the eNB, UEs at edges of cells with a fixed start position of time unit via the first configuration signaling, and the fixed start position of time unit is a predefined or prescribed start position; or

configuring, by the eNB, UEs at centers of cells with same or different start positions of time units via the first configuration signaling.

12 . The method according to claim 9 , wherein after the eNB determines the division of uplink and downlink regions in the time unit of the UE, the method further comprises:

notifying, by the eNB, the UE of the division of uplink and downlink regions in the time unit of the UE via second configuration signaling, wherein:

the second configuration signaling carries information about a length and position of at least one of an uplink region, a downlink region, and a GP region in the time unit; or

the second configuration signaling carries information representing an division pattern of an uplink region and/or a downlink region in the time unit, wherein the division pattern of an uplink region and/or a downlink region in the time unit is one of a plurality of preset division patterns of an uplink region and/or a downlink region in a time unit; or

the second configuration signaling carries information about a start position or end position of one or more downlink regions in the time unit of the UE; or

the second configuration signaling carries information about a start position or end position of one or more uplink regions in the time unit of the UE.

13 . The method according to claim 9 , wherein determining, by the eNB, the start position of the time unit of the UE, and determining the division of uplink and downlink regions in the time unit of the UE comprises:

determining, by the eNB, a downlink region in a time unit of the UE as a GP region or a downlink region in a time unit of another UE; and/or

determining, by the eNB, an uplink region in a time unit of the UE as a GP region or an uplink region in a time unit of another UE.

14 . The method according to claim 9 , wherein receiving, by the eNB, the uplink transmission of the UE in the uplink region corresponding to the downlink region comprising the downlink transmission comprises:

if the downlink transmission is a downlink control channel with a downlink DCI format, indicating a downlink SPS resource release, receiving, by the eNB, ACK/NACK feedback for the downlink control channel in an uplink region corresponding to a downlink region comprising the downlink control channel; or

if the downlink transmission is a downlink shared channel, receiving, by the eNB, ACK/NACK feedback for the downlink shared channel in an uplink region corresponding to a downlink region comprising the downlink shared channel; or

if the downlink transmission is a downlink control channel with an uplink DCI format, receiving, by the eNB, an uplink shared channel corresponding to the downlink control channel in an uplink region corresponding to a downlink region comprising the downlink control channel.

15 . The method according to claim 14 , wherein if a downlink control channel with a downlink DCI format indicating a downlink SPS resource release is detected, the uplink region corresponding to the downlink region is: a predefined or pre-configured uplink region in the same time unit as the downlink region comprising the downlink control channel; or an uplink region indicated in an indicating field in the downlink control channel; or an uplink region spaced from the end of the downlink region comprising the downlink control channel by a preset length of time after the end of the downlink region;

or

if a downlink shared channel is detected, the uplink region corresponding to the downlink region will be: a predefined or pre-configured uplink region in the same time unit as the downlink region comprising the downlink shared channel; or an uplink region indicated in an indicating field in scheduling signaling of the downlink shared channel; or an uplink region spaced from the end of the downlink region comprising the downlink shared channel by a preset length of time after the end of the downlink region;

or

if a downlink control channel with an uplink DCI format is detected, the uplink region corresponding to the downlink region will be: a predefined or pre-configured uplink region in the same time unit as the downlink region comprising the downlink control channel; or a predefined or pre-configured uplink region in a time unit after the time unit comprising the downlink region comprising the downlink control channel; or an uplink region indicated in an indicating field in the downlink control channel.

16 . The method according to claim 10 , further comprises at least one of following:

the time unit is one or more slots; or

the time unit is one or more subframes;

quantities of downlink regions in time units for transmitting different services are same or different;

quantities of uplink regions in time units for transmitting different services are same or different;

if the time unit comprises at least two downlink regions, then the lengths of the respective downlink regions will be the same or different;

if the time unit comprises at least two uplink regions, then the lengths of the respective uplink regions will be the same or different.

17 - 30 . (canceled)

31 . A UE, comprising: a transceiver, and at least one processor connected with the transceiver, wherein:

the processor is configured to read and execute a program in a memory:

to determine a start position of a time unit of the UE, and to determine a division of uplink and downlink regions in the time unit; to detect a downlink control channel with the downlink region of the time unit; and to perform a uplink transmission in an uplink region corresponding to the downlink region through the transceiver according to a detection result; and

the transceiver is configured to receive and transmit data under a control of the processor.

32 . The UE according to claim 31 , wherein the processor is configured to read and execute the program to perform at least one of following operations:

operation 1:

receiving first configuration signaling through the transceiver, and determining the start position of the time unit according to the first configuration signaling, wherein:

the first configuration signaling carries a time offset of the time unit relative to a preset reference time unit; or the first configuration signaling carries information about the start position of the time unit;

operation 2:

receiving a second configuration signaling through the transceiver, and determining the division of uplink and downlink regions in the time unit according to the second configuration signaling; or

determining an uplink region in the time unit according to a uplink scheduling signaling; or

determining an uplink region carrying ACK/NACK for a downlink transmission according to a feedback position of the ACK/NACK;

wherein the second configuration signaling carries information about a length and a position of at least one of an uplink region, a downlink region, and a GP region in the time unit; or

the second configuration signaling carries information representing a division pattern of an uplink region and/or a downlink region in the time unit, wherein the division pattern of an uplink region and/or a downlink region in the time unit is one of a plurality of preset division patterns of an uplink region and/or a downlink region in a time unit; or

the second configuration signaling carries information about a start position or an end position of one or more downlink regions in the time unit; or

the second configuration signaling carries information about a start position or an end position of one or more uplink regions in the time unit.

33 . (canceled)

34 . The UE according to claim 31 , wherein the processor is configured to read and execute the program:

if a downlink control channel with an uplink DCI format is detected, to transmit an uplink shared channel in an uplink region corresponding to a downlink region comprising the downlink control channel through the transceiver; or

if a downlink control channel with a downlink DCI format, to indicate a downlink SPS resource release is detected, to feed back ACK/NACK in an uplink region corresponding to a downlink region comprising the downlink control channel through the transceiver; or

if a downlink shared channel is detected, to feed back ACK/NACK in an uplink region corresponding to a downlink region comprising the downlink shared channel through the transceiver.

35 . The UE according to claim 34 , wherein if a downlink control channel with a downlink DCI format indicating a downlink SPS resource release is detected, the uplink region corresponding to the downlink region is: a predefined or pre-configured uplink region in the same time unit as the downlink region comprising the downlink control channel; or an uplink region determined according to an indicating field in the downlink control channel; or an uplink region spaced from the end of the downlink region comprising the downlink control channel by a preset length of time after the end of the downlink region;

or

if a downlink shared channel is detected, the uplink region corresponding to the downlink region is: a predefined or pre-configured uplink region in the same time unit as the downlink region comprising the downlink shared channel; or an uplink region determined according to an indicating field in scheduling signaling of the downlink shared channel; or an uplink region spaced from the end of the downlink region comprising the downlink shared channel by a preset length of time after the end of the downlink region;

or

if a downlink control channel with an uplink DCI format is detected, the uplink region corresponding to the downlink region is: a predefined or pre-configured uplink region in the same time unit as the downlink region comprising the downlink control channel; or a predefined or pre-configured uplink region in a time unit after the time unit comprising the downlink region comprising the downlink control channel; or an uplink region determined according to an indicating field in the downlink control channel.

36 . An eNB, comprising: a transceiver, and at least one processor connected with the transceiver, wherein:

the processor is configured to read and execute a program in a memory:

to determine a start position of a time unit of a UE, and to determine a division of uplink and downlink regions in the time unit of the UE; to send a downlink transmission to the UE through the transceiver in a downlink region in the time unit of the UE; and to receive a uplink transmission of the UE through the transceiver in an uplink region corresponding to the downlink region comprising the downlink transmission; and

the transceiver is configured to receive and transmit data under a control of the processor.

37 . The eNB according to claim 36 , wherein the processor is configured to read and execute the program at least one of following operations:

operation 1:

notifying the UE of the start position via a first configuration signaling, wherein:

the first configuration signaling carries a time offset of the time unit of the UE relative to a preset reference time unit; or

the first configuration signaling carries information about the start position of the time unit of the UE;

operation 2:

configuring UEs at edges of cells with a fixed start position of time unit via the first configuration signaling, and the fixed start position of time unit is a predefined or prescribed start position; or

configuring UEs at centers of cells with the same or different start positions of time units via the first configuration signaling;

operation 3:

notifying the UE of the division of uplink and downlink regions in the time unit of the UE via second configuration signaling, wherein:

the second configuration signaling carries information about a length and a position of at least one of an uplink region, a downlink region, and a GP region in the time unit; or

the second configuration signaling carries information representing a division pattern of an uplink region and/or a downlink region in the time unit, wherein the division pattern of an uplink region and/or a downlink region in the time unit is one of a plurality of preset division patterns of an uplink region and/or a downlink region in a time unit; or

the second configuration signaling carries information about a start position or an end position of one or more downlink regions in the time unit of the UE; or

the second configuration signaling carries information about a start position or an end position of one or more uplink regions in the time unit of the UE.

38 - 39 . (canceled)

40 . The eNB according to claim 36 , wherein the processor is configured to read and execute the program:

to determine a downlink region in a time unit of the UE as a GP region or a downlink region in a time unit of another UE; and/or

to determine an uplink region in a time unit of the UE as a GP region or an uplink region in a time unit of another UE.

41 . The eNB according to claim 36 , wherein if the downlink transmission is a downlink control channel with a downlink DCI format, indicating a downlink SPS resource release, to receive ACK/NACK feedback for the downlink control channel through the transceiver in an uplink region corresponding to a downlink region comprising the downlink control channel; or

if the downlink transmission is a downlink shared channel, to receive ACK/NACK feedback for the downlink shared channel through the transceiver in an uplink region corresponding to a downlink region comprising the downlink shared channel; or

if the downlink transmission is a downlink control channel with an uplink DCI format, to receive an uplink shared channel corresponding to the downlink control channel through the transceiver in an uplink region corresponding to a downlink region comprising the downlink control channel.

42 . The eNB according to claim 41 , wherein if a downlink control channel with a downlink DCI format indicating a downlink SPS resource release is detected, the uplink region corresponding to the downlink region is: a predefined or pre-configured uplink region in the same time unit as the downlink region comprising the downlink control channel; or an uplink region indicated in an indicating field in the downlink control channel; or an uplink region spaced from the end of the downlink region comprising the downlink control channel by a preset length of time after the end of the downlink region;

or

if a downlink shared channel is detected, the uplink region corresponding to the downlink region is: a predefined or pre-configured uplink region in the same time unit as the downlink region comprising the downlink shared channel; or an uplink region indicated in an indicating field in scheduling signaling of the downlink shared channel; or an uplink region spaced from the end of the downlink region comprising the downlink shared channel by a preset length of time after the end of the downlink region;

or

if a downlink control channel with an uplink DCI format is detected, the uplink region corresponding to the downlink region is: a predefined or pre-configured uplink region in the same time unit as the downlink region comprising the downlink control channel; or a predefined or pre-configured uplink region in a time unit after the time unit comprising the downlink region comprising the downlink control channel; or an uplink region indicated in an indicating field in the downlink control channel.