Method and device for narrow band communication in UE and base station

1. A method for supporting a narrow band communication in a UE, comprising:

receiving a first signaling; and

transmitting a wireless signal on a target time frequency resource;

wherein the first signaling indicates a first time frequency resource, the first time frequency resource comprises a second time frequency resource, the target time frequency resource comprises a time frequency resource of the first time frequency resource except the second time frequency resource, the target time frequency resource and the second time frequency resource are orthogonal with respect to time such that the target time frequency resource and the second time frequency resource do not overlap each other in time, the first time frequency resource comprises T 1 sub frames in a time domain, and comprises P 1 sub carriers in a frequency domain, the second time frequency resource comprises T 2 sub frames out of the T 1 sub frames in a time domain, the second time frequency resource comprises the P 1 sub carriers in a time domain, the T 1 and the P 1 are a positive integer respectively, the T 2 is smaller than the T 1 , and a position of the second time frequency resource in the first time frequency resource is fixed; the first signaling is a physical layer signaling, and the first signaling includes the scheduling information of the wireless signal; the scheduling information includes at least one of MCS, NDI, and TBS; wherein the first signaling indicates that the target time frequency resource does not comprise the second time frequency resource and the modulating symbols included in the wireless signal uses the manner {frequency domain firstly, time domain secondarily} to match to RU included in the target time frequency resource in sequence, the RU includes one OFDM symbol in a time domain, and includes one sub carrier in a frequency domain, the target time frequency resource is a part of the first time frequency resource except the second time frequency resource.

2. The method according to claim 1 , wherein the first time frequency resource occupies an entire narrow band in a given time window and occupies an entire time window in a time domain, the second time frequency resource occupies the entire narrow band in the given time window, and a bandwidth of the narrow band does not exceed 180 kHz; the sub carriers has a bandwidth of 15 kHz, or the sub carrier has a bandwidth of 3.75 kHz.

3. The method according to claim 1 , wherein the first signaling is a DCI used for uplink grant, and a transmission channel corresponding to the wireless signal is UL-SCH.

4. A method for supporting a narrow band communication in a base station, comprising:

transmitting a first signaling; and

receiving a wireless signal on a target time frequency resource;

wherein the first signaling indicates a first time frequency resource, the first time frequency resource comprises a second time frequency resource, the target time frequency resource comprises a time frequency resource of the first time frequency resource except the second time frequency resource, the target time frequency resource and the second time frequency resource are orthogonal with respect to time such that the target time frequency resource and the second time frequency resource do not overlap each other in time, the first time frequency resource comprises T 1 sub frames in a time domain, and comprises P 1 sub carriers in a frequency domain, the second time frequency resource comprises T 2 sub frames out of the T 1 sub frames in a time domain, the second time frequency resource comprises the P 1 sub carriers in a time domain, the T 1 and the P 1 are a positive integer respectively, the T 2 is smaller than the T 1 , and a position of the second time frequency resource in the first time frequency resource is fixed; the first signaling is a physical layer signaling, and the first signaling includes the scheduling information of the wireless signal; the scheduling information includes at least one of MCS, NDI, and TBS ; wherein the first signaling is a physical layer signaling, the first signaling comprises the scheduling information of the wireless signal, the first signaling indicates that the target time frequency resource does not comprise the second time frequency resource and the modulating symbols included in the wireless signal uses the manner {frequency domain firstly, time domain secondarily} to match to RU included in the target time frequency resource in sequence, the RU includes one OFDM symbol in a time domain, and includes one sub carrier in a frequency domain, the target time frequency resource is a part of the first time frequency resource except the second time frequency resource.

5. The method according to claim 4 , wherein the first time frequency resource occupies an entire narrow band in a given time window and occupies an entire time window in a time domain, the second time frequency resource occupies the entire narrow band in the given time window, and a bandwidth of the narrow band does not exceed 180 kHz.

6. The method according to claim 4 , wherein the first signaling is a DCI used for uplink grant, and a transmission channel corresponding to the wireless signal is UL-SCH.

7. A user equipment for supporting a narrow band communication, comprising:

a first receiver configured to receive a first signaling, the first receiver including one or more of hardware and instructions stored in computer-readable storage media; and

a second transmitter configured to transmit a wireless signal on a target time frequency resource, the second transmitter including one or more of hardware and instructions stored in computer-readable storage media;

wherein the first signaling indicates a first time frequency resource, the first time frequency resource comprises a second time frequency resource, the target time frequency resource comprises a time frequency resource of the first time frequency resource except the second time frequency resource, the target time frequency resource and the second time frequency resource are orthogonal with respect to time such that the target time frequency resource and the second time frequency resource do not overlap each other in time, the first time frequency resource comprises T 1 sub frames in a time domain, and comprises P 1 sub carriers in a frequency domain, the second time frequency resource comprises T 2 sub frames out of the T 1 sub frames in a time domain, the second time frequency resource comprises the P 1 sub carriers in a time domain, the T 1 and the P 1 are a positive integer respectively, the T 2 is smaller than the T 1 , and a position of the second time frequency resource in the first time frequency resource is fixed; the first signaling is a physical layer signaling, and the first signaling includes the scheduling information of the wireless signal; the scheduling information includes at least one of MCS, NDI, and TBS; wherein the first signaling is a physical layer signaling, the first signaling comprises the scheduling information of the wireless signal, the first signaling indicates that the target time frequency resource does not comprise the second time frequency resource and the modulating symbols included in the wireless signal uses the manner {frequency domain firstly time domain secondarily} to match to RU included in the target time frequency resource in sequence, the RU includes one OFDM symbol in a time domain, and includes one sub carrier in a frequency domain,the target time frequency resource is a part of the first time frequency resource except the second time frequency resource.

8. The user equipment according to claim 7 , wherein the first time frequency resource occupies an entire narrow band in a given time window and occupies an entire time window in a time domain, the second time frequency resource occupies the entire narrow band in the given time window, and a bandwidth of the narrow band does not exceed 180 kHz.

9. The user equipment according to claim , wherein the first signaling is a DCI used for uplink grant, and a transmission channel corresponding to the wireless signal is UL-SCH.

10. A base station equipment for supporting a narrow band communication, comprising:

a first transmitter configured to transmit a first signaling, the first transmitter including one or more of hardware and instructions stored in computer-readable storage media; and

a second receiver configured to receive a wireless signal on a target time frequency resource, the second receiver including one or more of hardware and instructions stored in computer-readable storage media;

wherein the first signaling indicates a first time frequency resource, the first time frequency resource comprises a second time frequency resource, the target time frequency resource comprises a time frequency resource of the first time frequency resource except the second time frequency resource, the target time frequency resource and the second time frequency resource are orthogonal with respect to time such that the target time frequency resource and the second time frequency resource do not overlap each other in time, the first time frequency resource comprises T 1 sub frames in a time domain, and comprises P 1 sub carriers in a frequency domain, the second time frequency resource comprises T 2 sub frames out of the T 1 sub frames in a time domain, the second time frequency resource comprises the P 1 sub carriers in a time domain, the T 1 and the P 1 are a positive integer respectively, the T 2 is smaller than the T 1 , and a position of the second time frequency resource in the first time frequency resource is fixed; the first signaling is a physical layer signaling, and the first signaling includes the scheduling information of the wireless signal; the scheduling information includes at least one of MCS, NDI, and TBS; wherein the first signaling is a physical layer signaling, the first signaling comprises the scheduling information of the wireless signal, the first signaling indicates that the target time frequency resource does not comprise the second time frequency resource and the modulating symbols included in the wireless signal uses the manner {frequency domain firstly time domain secondarily} to match to RU included in the target time frequency resource in sequence, the RU includes one OFDM symbol in a time domain, and includes one sub carrier in a frequency domain, the target time frequency resource is a part of the first time frequency resource except the second time frequency resource.

11. The base station equipment according to claim 10 , wherein the first time frequency resource occupies an entire narrow band in a given time window and occupies an entire time window in a time domain, the second time frequency resource occupies the entire narrow band in the given time window, and a bandwidth of the narrow band does not exceed 180 kHz.

12. The base station equipment according to claim 10 , wherein the first signaling is a DCI used for uplink grant, and a transmission channel corresponding to the wireless signal is UL-SCH.