Apparatus and method for machine-type communications
A network and user equipment are configured to support machine type communications is provided. The UE includes processing circuitry to process a physical broadcast channel (PBCH) to acquire at least one system information block (SIB). The processing circuitry also processes the at least one SIB to determine a location of a lite SIB (SIB-L). The processing circuitry determines a location of a lite physical downlink control channel (L-PBCCH) from the SIB-L.
1. For use in a wireless communications network, a user equipment (UE) configured for machine type communications (MTC), the UE comprising:
a receiver configured to receive a physical broadcast channel (PBCH) in a reduced bandwidth from at least one base station, the reduced bandwidth comprising a subset of a bandwidth for a standard UE; and
processing circuitry configured to process the PBCH to acquire system information blocks (SIB), wherein at least one SIB is configured to indicate a location of a lite SIB (SIB-L), the SIB-L configured to indicate a location of a lite physical downlink control channel (L-PDCCH).
2. The UE as set forth in claim 1 , wherein the SIB is in the reduced bandwidth wherein the reduced bandwidth is in the center of the frequency band.
3. The UE as set forth in claim 1 , wherein the at least one SIB is at least one of:
including the SIB-L; and
the SIB-L.
4. The UE as set forth in claim 1 , wherein a first SIB is configured to indicate a location of a second SIB, wherein the second SIB is at least one of:
configured to indicate a location of the SIB-L; and
Including the SIB-L.
5. The UE as set forth in claim 1 , wherein the subset of a bandwidth comprises a first frequency range of the bandwidth of the standard UE, and wherein the UE is configured to communicate on a second frequency range of the bandwidth during a first time period and receive the L-PDCCH on the first frequency range during a second time period.
6. The UE as set forth in claim 5 , wherein the UE is configured to communicate on the second frequency range of the bandwidth during a third time period.
7. The UE as set forth in claim 1 , wherein L-PDCCH is a modified version of an existing enhanced PDCCH (E-PDCCH).
8. A wireless communications network configured to communicate with at least one user equipment (UE) configured for machine type communications (MTC), the network comprising:
a base station configured to transmit a physical broadcast channel (PBCH) in a reduced bandwidth to the at least one UE, the reduced bandwidth comprising a subset of a bandwidth for a standard UE, wherein the PBCH is configured to enable the at least one UE to acquire system information blocks (SIB), wherein a lite SIB (SIB L) is configured to indicate a location of a lite physical downlink control channel (L-PDCCH).
9. The network as set forth in claim 8 , wherein the SIB-L is in the reduced bandwidth wherein the reduced bandwidth is in the center of the frequency band.
10. The network as set forth in claim 8 , wherein the
L-PDCCH is different than a physical downlink control channel (PDCCH), and wherein the PDCCH is configured for the standard UE.
11. The network as set forth in claim 8 , wherein a first SIB is configured to indicate a location of a second SIB, wherein the second SIB is at least one of:
configured to indicate a location of the SIB-L;
including the SIB-L.
12. The network as set forth in claim 8 , wherein the subset of a bandwidth comprises a first frequency range of the bandwidth of the standard UE, and wherein the base station is configured to communicate with the at least one UE on a second frequency range of the bandwidth during a first time period and transmit the L-PDCCH on the first frequency range during a second time period.
13. The network as set forth in claim 12 , wherein the base station is configured to communicate with the at least one UE on the second frequency range of the bandwidth during a third time period.
14. The network as set forth in claim 8 , wherein the L-PDCCH is a modified version of an existing enhanced PDCCH (E-PDCCH).
15. For use in a wireless communications network, a method of supporting machine type communications, the method comprising:
processing a physical broadcast channel (PBCH) to acquire a lite SIB (SIB-L); and
determining a location of a lite physical downlink control channel (L-PBCCH) from the SIB-L.
16. The method as set forth in claim 15 , wherein the SIB-L is in the reduced bandwidth wherein the reduced bandwidth is in the center of the frequency band.
17. The method as set forth in claim 15 , wherein the L-PDCCH is different than a physical downlink control channel (PDCCH), and wherein the PDCCH is configured for the standard UE.
18. The method as set forth in claim 15 , wherein a first SIB is configured to indicate a location of a second SIB, and wherein the second SIB is at least one of:
configured to indicate a location of the SIB-L; and
including the SIB-L.
19. The method as set forth in claim 15 , wherein the subset of a bandwidth comprises a first frequency range of the bandwidth of the standard UE, further comprising:
communicating with the base station on a second frequency range of the bandwidth during a first time period; and
receiving the L-PDCCH on the first frequency range during a second time period.
20. The method as set forth in claim 19 , further comprising: communicating with the base station on the second frequency range of the bandwidth during a third time period.
21. The method as set forth in claim 15 , wherein the L-PDCCH is a modified version of an existing enhanced PDCCH (E-PDCCH).