SiB1-NB transmissions for NB TDD communication

A method performed by a network node for scheduling a system information block type 1 for narrow band communication (SIB1-NB) for a time division duplex (TDD) transmission, the method comprising:

• indicating a SIB1-NB scheduling information for TDD in a master information block (MIB), wherein the SIB1-NB scheduling information indicates that the SIB1-NB transmission is on one of an anchor carrier and a non-anchor carrier and wherein the scheduling information comprises a parameter associated with a predefined entry in a TDD-specific table for the anchor carrier when the SIB1-NB scheduling information indicates that the SIB1-NB transmission is on the anchor carrier, and in a TDD-specific table for the non-anchor carrier when the SIB1-NB scheduling information indicates that the SIB1-NB transmission is on the non-anchor carrier, wherein the TDD-specific table for the anchor carrier and the TDD-specific table for the non-anchor carrier are different tables, the predefined entry comprising:
• at least one subframe for the SIB1-NB transmission;
• a number of repetitions of the SIB1-NB transmission;
• and
• a transport block size (TBS) for the SIB1-NB transmission.

A wireless device, configured to communicate with a network node to determine scheduling for a system information block type 1 for narrow band communication (SIB1-NB) for a time division duplex (TDD) transmission, the wireless device comprising processing circuitry configured to cause the wireless device to:

• receive SIB1-NB scheduling information in a master information block (MIB), wherein the SIB1-NB scheduling information indicates that the SIB1-NB transmission is on one of an anchor carrier and a non-anchor carrier and wherein the SIB1-NB scheduling information comprises a scheduling information parameter being associated with a predefined entry in a TDD-specific table for the anchor carrier when the SIB1-NB scheduling information indicates that the SIB1-NB transmission is on the anchor carrier, and in a TDD-specific table for the non-anchor carrier when the SIB1-NB scheduling information indicates that the SIB1-NB transmission is on the non-anchor carrier, wherein the TDD-specific table for the anchor carrier and the TDD-specific table for the non-anchor carrier are different tables;
• and
• determine, based on a value of the scheduling information parameter, an associated entry, wherein the associated entry is the predefined entry associated with the scheduling information parameter and located in the TDD-specific table for the anchor carrier when the SIB1-NB scheduling information indicates that the SIB1-NB transmission is on the anchor carrier, and is the predefined entry associated with the scheduling information parameter and located in the TDD-specific table for the non-anchor carrier when the SIB1-NB scheduling information indicates that the SIB1-NB transmission is on the non-anchor carrier, wherein the associated entry comprises:
• at least one subframe for a System Information Block Type 1-Narrow Band (SIB1-NB) transmission;
• a number of repetitions of the SIB1-NB transmission;
• and
• a transport block size (TBS) of the SIB1-NB transmission.

A method performed by a wireless device for determining scheduling for a system information block type 1 for narrow band communication (SIB1-NB) for a time division duplex (TDD) transmission, the method comprising:

• receiving SIB1-NB scheduling information in a master information block (MIB), wherein the SIB1-NB scheduling information indicates that the SIB1-NB transmission is on one of an anchor carrier and a non-anchor carrier and wherein the SIB1-NB scheduling information comprises a scheduling information parameter being associated with a predefined entry in a TDD-specific table for the anchor carrier when the SIB1-NB scheduling information indicates that the SIB1-NB transmission is on the anchor carrier, and in a TDD-specific table for the non-anchor carrier when the SIB1-NB scheduling information indicates that the SIB1-NB transmission is on the non-anchor carrier, wherein the TDD-specific table for the anchor carrier and the TDD-specific table for the non-anchor carrier are different tables;
• and
• determining, based on a value of the SIB1-NB scheduling parameter, an associated entry, wherein the associated entry is the predefined entry associated with the scheduling information parameter and located in the TDD-specific table for the anchor carrier when the SIB1-NB scheduling information indicates that the SIB1-NB transmission is on the anchor carrier, and is the predefined entry associated with the scheduling information parameter and located in the TDD-specific table for the non-anchor carrier when the SIB1-NB scheduling information indicates that the SIB1-NB transmission is on the non-anchor carrier, wherein the associated entry comprises:
• at least one subframe for a System Information Block Type 1-Narrow Band (SIB1-NB) transmission;
• a number of repetitions of the SIB1-NB transmission;
• and
• a transport block size (TBS) of the SIB1-NB transmission.

A non-transitory computer readable storage medium having computer program code stored in the medium which when executed by a computer causes the computer to perform a method for scheduling a system information block type 1 for narrow band communication (SIB1-NB) for a time division duplex (TDD) transmission, the method comprising:

• indicating a SIB1-NB scheduling information for TDD in a master information block (MIB), wherein the SIB1-NB scheduling information indicates that the SIB1-NB transmission is on one of an anchor carrier and a non-anchor carrier and wherein the scheduling information comprises a parameter associated with a predefined entry in a TDD-specific table for the anchor carrier when the SIB1-NB scheduling information indicates that the SIB1-NB transmission is on the anchor carrier, and in a TDD-specific table for the non-anchor carrier when the SIB1-NB scheduling information indicates that the SIB1-NB transmission is on the non-anchor carrier, wherein the TDD-specific table for the anchor carrier and the TDD-specific table for the non-anchor carrier are different tables, the predefined entry comprising:
• at least one subframe for the SIB1-NB transmission;
• a number of repetitions of the SIB1-NB transmission;
• and
• a transport block size (TBS) for the SIB1-NB transmission.

A non-transitory computer readable medium comprising a computer program comprising instructions which when executed on a computer cause the computer to perform a method for determining scheduling for a system information block type 1 for narrow band communication (SIB1-NB) for a time division duplex (TDD) transmission, the method comprising:

• receiving SIB1-NB scheduling information in a master information block (MIB), wherein the SIB1-NB scheduling information indicates that the SIB1-NB transmission is on one of an anchor carrier and a non-anchor carrier and wherein the SIB1-NB scheduling information comprises a scheduling information parameter being associated with a predefined entry in a TDD-specific table for the anchor carrier when the SIB1-NB scheduling information indicates that the SIB1-NB transmission is on the anchor carrier, and in a TDD-specific table for the non-anchor carrier when the SIB1-NB scheduling information indicates that the SIB1-NB transmission is on the non-anchor carrier, wherein the TDD-specific table for the anchor carrier and the TDD-specific table for the non-anchor carrier are different tables;
• and
• determining, based on a value of the SIB1-NB scheduling parameter, an associated entry, wherein the associated entry is the predefined entry associated with the scheduling information parameter and located in the TDD-specific table for the anchor carrier when the SIB1-NB scheduling information indicates that the SIB1-NB transmission is on the anchor carrier, and is the predefined entry associated with the scheduling information parameter and located in the TDD-specific table for the non-anchor carrier when the SIB1-NB scheduling information indicates that the SIB1-NB transmission is on the non-anchor carrier, wherein the associated entry comprises:
• at least one subframe for a System Information Block Type 1-Narrow Band (SIB1-NB) transmission;
• a number of repetitions of the SIB1-NB transmission;
• and
• a transport block size (TBS) of the SIB1-NB transmission.