Method and apparatus for machine type communication of system information
A communication system is described in which system information is transmitted to communication devices, by a communication apparatus of the system, in system information blocks, in accordance with a system information block transmission scheme. The communication apparatus configures at least one system information block to include control information indicating how the system information blocks will be transmitted.
1. A first communications apparatus which communicates with second communications apparatus, the first communications apparatus comprising:
a transceiver configured to receive a Master Information Block (MIB), wherein a plurality of bits in the MIB are used to represent a value that maps to one of a plurality of Transport Block Sizes (TBSs) and to one of a plurality of numbers of repetitions; and
at least one processor configured to determine, based on the value indicated by the plurality of bits, a TBS for System Information Block 1 (SIB1) and a number of repetitions of the SIB1,
wherein the transceiver is further configured to receive the SIB1 based on the determined TBS and number of repetitions.
2. A first communications apparatus according to claim 1 , wherein the SIB1 includes information indicating repetition times for a number of repetitions of other system information.
3. A first communications apparatus according to claim 2 , wherein the other system information comprises system information for Machine Type Communications (MTC) apparatus.
4. A first communications apparatus according to claim 1 , wherein the SIB1 is transmitted by a Physical Downlink Shared Channel (PDSCH).
5. A first communications apparatus according to claim 1 , wherein the SIB1 indicates TBS information for other system information.
6. A first communications apparatus according to claim 1 , wherein the SIB1 includes a periodicity and information for repetition of other system information.
7. A first communications apparatus according to claim 1 , wherein the SIB1 includes information, of release 13 of 3rd Generation Partnership Project (3GPP) standard, for repetition of other system information.
8. A method performed by a first communications apparatus which communicates with second communications apparatus, the method comprising:
receiving a Master Information Block (MIB), wherein a plurality of bits in the MIB are used to represent a value that maps to one of a plurality of Transport Block Sizes (TBSs) and to one of a plurality of numbers of repetitions;
determining, based on the value indicated by the plurality of bits, a TBS for System Information Block 1 (SIB1) and a number of repetitions of the SIB1; and
receiving the SIB1 based on the determined TBS and number of repetitions.
9. A method according to claim 8 , wherein the SIB1 includes information indicating repetition times for a number of repetitions of other system information.
10. A method according to claim 9 , wherein the other system information comprises system information for Machine Type Communications (MTC) apparatus.
11. A method according to claim 8 , wherein the SIB1 is transmitted by a Physical Downlink Shared Channel (PDSCH).
12. A method according to claim 8 , wherein the SIB1 indicates TBS information for other system information.
13. A method according to claim 8 , wherein the SIB1 includes a periodicity and information for repetition of other system information.
14. A method according to claim 8 , wherein the SIB1 includes information, of release 13 of 3rd Generation Partnership Project (3GPP) standard, for repetition of other system information.
15. A second communications apparatus which communicates with first communications apparatus, the second communications apparatus comprising:
a transceiver configured to:
transmit a Master Information Block (MIB), wherein a plurality of bits in the MIB are used to represent a value that maps to one of a plurality of Transport Block Sizes (TBSs) for System Information Block 1 (SIB1) and to one of a plurality of numbers of repetitions of the SIB1; and
transmit the SIB1 based on the one of the plurality of TBSs and the one of the plurality of numbers of repetitions.
16. A second communications apparatus according to claim 15 , wherein the SIB1 includes information indicating repetition times for a number of repetitions of other system information.
17. A second communications apparatus according to claim 16 , wherein the other system information comprises system information for Machine Type Communications (MTC) apparatus.
18. A second communications apparatus according to claim 15 , wherein the SIB1 is transmitted by a Physical Downlink Shared Channel (PDSCH).
19. A second communications apparatus according to claim 15 , wherein the SIB1 indicates TBS information for other system information.
20. A second communications apparatus according to claim 15 , wherein the SIB1 includes a periodicity and information for repetition of other system information.
21. A second communications apparatus according to claim 15 , wherein the SIB1 includes information, of release 13 of 3rd Generation Partnership Project (3GPP) standard, for repetition of other system information.
22. A method performed by a second communications apparatus which communicates with first communications apparatus, the method comprising:
transmitting a Master Information Block (MIB), wherein a plurality of bits in the MIB are used to represent a value that maps to one of a plurality of Transport Block Sizes (TBSs) for System Information Block 1 (SIB1) and to one of a plurality of numbers of repetitions of the SIB1; and
transmitting the SIB1 based on the one of the plurality of TBSs and the one of the plurality of number of repetitions.
23. A method according to claim 22 , wherein the SIB1 includes information indicating repetition times for a number of repetitions of other system information.
24. A method according to claim 23 , wherein the other system information comprises system information for Machine Type Communications (MTC) apparatus.
25. A method according to claim 22 , wherein the SIB1 is transmitted by a Physical Downlink Shared Channel (PDSCH).
26. A method according to claim 22 , wherein the SIB1 indicates TBS information for other system information.
27. A method according to claim 22 , wherein the SIB1 includes a periodicity and information for repetition of other system information.
28. A method according to claim 22 , wherein the SIB1 includes information, of release 13 of 3rd Generation Partnership Project (3GPP) standard, for repetition of other system information.