SiB1-NB transmissions for NB TDD communication
Apparatuses and methods are disclosed for SIB1-NB transmission. In one embodiment, a method performed by a network node configured to include a scheduling information parameter in a master information block, MIB, and communicate the MIB to a wireless device, the scheduling information parameter usable to schedule a system information block type 1 for narrow band communication, SIB1-NB, for a time division duplex, TDD transmission is provided. The method comprising indicating the SIB1-NB scheduling information for TDD at least in part by a value of the scheduling information parameter being associated with a predefined entry in at least one TDD-specific table, the indicated SIB1-NB scheduling information including: at least one subframe to use for the SIB1-NB transmission; a number of repetitions of the SIB1-NB transmission; and a transport block size, TBS, to use for the SIB1-NB transmission.
1. A network node configured to schedule a system information block type 1 for narrow band communication, (SIB1-NB) for a time division duplex (TDD) transmission, the network node comprising processing circuitry configured to:
indicate the SIB1-NB scheduling information for TDD in a master information block (MIB) to a wireless device, 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, 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.
2. The network node of claim 1 , wherein the at least one subframe for the SIB1-NB transmission is indicated by a subframe index of the at least one TDD-specific table.
3. The network node of claim 2 , wherein the at least one subframe index equals at least one of: 0 , 4 and 5 .
4. The network node of claim 2 , wherein the at least one subframe index indicates the corresponding TBS to use for the SIB1-NB transmission.
5. 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.
6. The method of claim 5 , wherein the at least one subframe for the SIB1-NB transmission is indicated by at least one subframe index of the at least one TDD-specific table.
7. The method of claim 6 , wherein the at least one subframe index equals at least one of: subframe index: 0, 4 and 5.
8. The method of claim 6 , wherein the at least one subframe index indicates the corresponding TBS to use for the SIB1-NB transmission.
9. 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.
10. The wireless device of claim 9 , wherein the at least one subframe for the SIB1-NB transmission is indicated by at least one subframe index of the at least one TDD-specific table.
11. The wireless device of claim 10 , wherein the at least one subframe index equals at least one of subframe index: 0, 4 and 5.
12. The wireless device of claim 10 , wherein the at least one subframe index indicates the corresponding TBS of the SIB1-NB transmission.
13. 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.
14. The method of claim 13 , wherein the at least one subframe for the SIB1-NB transmission is indicated by a subframe index of the at least one TDD-specific table.
15. The method of claim 14 , wherein the at least one subframe index equals at least one of subframe index: 0, 4 and 5.
16. The method of claim 14 , wherein the at least one subframe index indicates the corresponding TBS of the SIB1-NB transmission.
17. 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.
18. 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.