Communication support for low capability devices

1. A method for performing communication by a user equipment (UE) in a wireless communication system, the method comprising:

identifying a starting orthogonal frequency division multiplexing (OFDM) symbol for a downlink (DL) channel in a subframe based on higher layer signaling;

identifying a bandwidth of the DL channel based on a modulo operation using a cell identity and a predetermined number; and

receiving the DL channel in the subframe based on the starting OFDM symbol and the bandwidth.

2. The method of claim 1 , further comprising:

reporting, to a base station (BS), a wideband channel quality indicator (CQI) value determined based on transmission on one or more bands in the DL channel.

3. The method of claim 1 , further comprising:

suspending a sounding reference signal (SRS) transmission, if an uplink (UL) control signal or a UL data transmission and the SRS transmission are to be performed in a same subframe.

4. The method of claim 1 , further comprising:

receiving a cell specific reference signal (CRS) in the bandwidth.

5. The method of claim 1 , wherein a rank indicator (RI) report and a hybrid automatic repeat request (HARQ) acknowledgement (ACK) signaling of the UE are omitted.

6. A method for performing communication by a base station (BS) in a wireless communication system, the method comprising:

transmitting, to a user equipment (UE), higher layer signaling including information about a starting orthogonal frequency division multiplexing (OFDM) symbol for a downlink (DL) channel in a subframe; and

transmitting, to the UE, the DL channel in the subframe based on the starting OFDM symbol and a bandwidth of the DL channel,

wherein the bandwidth of the DL channel is identified based on a modulo operation using a cell identity and a predetermined number.

7. The method of claim 6 , further comprising:

receiving, from the UE, a wideband channel quality indicator (CQI) value determined based on transmission on one or more bands in the DL channel.

8. The method of claim 6 , further comprising:

receiving, from the UE, an uplink (UL) control signal or a UL data, except for a sounding reference signal (SRS), if a UL control signal or UL data transmission and an SRS transmission are to be performed in a same subframe.

9. The method of claim 6 , further comprising:

transmitting, to the UE, a cell specific reference signal (CRS) in the bandwidth.

10. The method of claim 6 , wherein a rank indicator (RI) report and a hybrid automatic repeat request (HARQ) acknowledgement (ACK) signaling of the UE are omitted.

11. A user equipment (UE) in a wireless communication system, the UE comprising:

a processor configured to:

identify a starting orthogonal frequency division multiplexing (OFDM) symbol for a downlink (DL) channel in a subframe based on higher layer signaling, and

identify a bandwidth of the DL channel based on a modulo operation using a cell identity and a predetermined number; and

a transceiver configured to receive the DL channel in the subframe based on the starting OFDM symbol and the bandwidth.

12. The UE of claim 11 , wherein the transceiver is further configured to report, to a base station (BS), a wideband channel quality indicator (CQI) value determined based on transmission on one or more bands in the DL channel.

13. The UE of claim 11 , wherein the processor is further configured to suspend a sounding reference signal (SRS) transmission, if an uplink (UL) control signal or a UL data transmission and the SRS transmission are to be performed in a same subframe.

14. The UE of claim 11 , wherein the processor is further configured to control the transceiver to receive a cell specific reference signal (CRS) in the bandwidth.

15. The UE of claim 11 , wherein a rank indicator (RI) report and a hybrid automatic repeat request (HARQ) acknowledgement (ACK) signaling of the UE are omitted.

16. A base station (BS) in a wireless communication system, the BS comprising:

a transceiver; and

a processor configured to control the transceiver to:

transmit, to a user equipment (UE), higher layer signaling including information about a starting orthogonal frequency division multiplexing (OFDM) symbol for a downlink (DL) channel in a subframe; and

transmit, to the UE, the DL channel in the subframe based on the starting OFDM symbol and a bandwidth of the DL channel,

wherein the bandwidth of the DL channel is identified based on a modulo operation using a cell identity and a predetermined number.

17. The BS of claim 16 , wherein the processor is further configured to control the transceiver to receive, from the UE, a wideband channel quality indicator (CQI) value determined based on transmission on one or more bands in the DL channel.

18. The BS of claim 16 , wherein the processor is further configured to control the transceiver to:

receive, from the UE, an uplink (UL) control signal or a UL data, except for a sounding reference signal (SRS), if a UL control signal or a UL data transmission and an SRS transmission are to be performed in a same subframe.

19. The BS of claim 16 , wherein the processor is further configured to control the transceiver to transmit, to the UE, a cell specific reference signal (CRS) in the bandwidth.

20. The BS of claim 16 , wherein a rank indicator (RI) report and a hybrid automatic repeat request (HARQ) acknowledgement (ACK) signaling of the UE are omitted.