Enhanced node B (ENB) and method for MTC coexistence

1. An evolved Node B (eNB) configured to communicate with a User Equipment (UE) on a licensed band, the eNB comprising circuitry configured to:

transmit a physical downlink control channel (PDCCH) transmission on the licensed band;

transmit, to the UE, a machine-type communication (MTC) system information block (M-SIB), the M-SIB including configuration information to configure a MTC region of the licensed band, wherein the MTC region includes a subset of frequencies of the licensed band, wherein the MTC region has a bandwidth of 1.4 MHz or less;

transmit, to the UE, resource allocation information in a MTC downlink control channel of the MTC region, the MTC downlink control channel being time multiplexed with the PDCCH;

transmit, to the UE, a channel state information reference signal (CSI-RS) within the MTC region;

rate-match the resource allocation information around resource elements for the CSI-RS to avoid collisions between the CSI-RS and transmissions in the MTC region;

transmit, to the UE, first data transmission on the MTC region in a downlink; and

receive, from the UE, a second data transmission on the MTC region in an uplink.

2. The eNB of claim 1 , wherein to transmit the first data transmission, the circuitry is configured to transmit the first data transmission multiplexed with a third data transmission.

3. The eNB of claim 2 , wherein the first data transmission and the third data transmission are multiplexed in a time-division.

4. The eNB of claim 1 , wherein to receive the second data transmission, the circuitry is configured to receive the second data transmission multiplexed in a frequency-division with transmissions on a physical uplink control channel (PUCCH) or a physical random access channel (PRACH).

5. The eNB of claim 1 , wherein the M-SIB includes time and frequency resource information of the MTC region for the UE.

6. The eNB of claim 1 , wherein the circuitry is further configured to transmit, to the UE, primary and secondary synchronization signals (PSS/SSS).

7. The eNB of claim 6 , wherein the circuitry is further configured to rate-match resource element mapping around the PSS/SSS within the MTC region.

8. The eNB of claim 1 , wherein the circuitry is further configured to transmit, to the UE, a cell-specific reference signal.

9. The eNB of claim 1 , wherein the circuitry is further configured to transmit, to the UE, a MTC master information block (M-MIB).

10. The eNB of claim 9 , wherein to transmit the M-MIB, the circuitry is further configured to transmit the M-MIB in a subframe in a frame within the MTC region.

11. The eNB of claim 1 , wherein the circuitry is further configured to transmit a MTC physical broadcast channel (M-PBCH) transmission in a subframe.

12. The eNB of claim 11 , wherein the circuitry is further configured to transmit, to the UE, a second subframe, the second subframe including a physical broadcast channel (PBCH) transmission different from the M-PBCH transmission.

13. The eNB of claim 12 , wherein the PBCH transmission and the M-PBCH transmission are time-division multiplexed between the subframe and the second subframe, and wherein the PBCH transmission and the M-PBCH transmission are allocated in the same resource.

14. The eNB of claim 11 , wherein the circuitry is further configured to transmit a physical broadcast channel (PBCH) transmission different from the M-PBCH transmission in the subframe.

15. A User Equipment (UE) configured to operate on a machine-type communication (MTC) MTC region of a wireless spectrum comprising:

a transceiver configured to:

receive, from an evolved Node B (eNB) a physical downlink control channel (PDCCH) transmission on a licensed band;

receive, from the eNB, a MTC system information block (M-SIB), the M-SIB including configuration information to configure the MTC region, wherein the MTC region has a bandwidth of 1.4 MHz or less;

receive, from the eNB, resource allocation information in a MTC down ink control channel of the MTC region, the MTC downlink control channel being time multiplexed with the PDCCH;

receive, from the eNB, a channel state information reference signal (CSI-RS) within the MTC region, wherein the resource allocation information is rate-matched around resource elements for the CSI-RS to avoid collisions between the CSI-RS and transmissions in the MTC region;

receive a first data transmission on the MTC region in a downlink, wherein the MTC region includes a subset of frequencies of the licensed band; and

transmit a second data transmission on the MTC region in an uplink.

16. The UE of claim 15 , wherein the transceiver is further configured to transmit a MTC physical random access channel (M-PRACH) transmission.

17. The UE of claim 16 , wherein the M-PRACH transmission is time-division multiplexed with a MTC physical uplink control channel (M-PUCCH) transmission and a MTC physical uplink shared channel (M-PUSCH) transmission in the MTC region.

18. The UE of claim 15 , further comprising one or more antennas coupled to the transceiver.

19. A method for configuring a User Equipment (UE) for communication performed by circuitry of an evolved Node B (eNB), the method comprising:

broadcasting, from the eNB, a physical downlink control channel (PDCCH) transmission on a licensed band;

transmitting, from the eNB to the UE, a physical broadcast channel (PBCH) transmission multiplexed with a machine-type communication (MTC) PBCH (M-PBCH) transmission, the M-PBCH transmission including a MTC system information block (M-SIB), the M-SIB including configuration information to configure a MTC region of the licensed band, wherein the MTC region includes a subset of frequencies of the licensed band, and wherein the MTC region has a bandwidth of 1.4 MHz or less;

transmitting, from the eNB to the UE, resource allocation information in a MTC downlink control channel of the MTC region, the MTC downlink control channel being time multiplexed with the PDCCH;

transmitting, to the UE, a channel state information reference signal (CSI-RS) within the MTC region;

rate-matching the resource allocation information around resource elements for the CSI-RS to avoid collisions between the CSI-RS and transmissions in the MTC region; and

transmitting, from the eNB to the UE, a first data transmission on the MTC region a downlink.

20. The method of claim 19 , farther comprising transmitting, to the UE, a physical hybrid-automatic repeat request (ARQ) indicator channel M-PHICH transmission.

21. The method of claim 20 , wherein ing the M-PHICH includes transmitting, to the UE, configuration information in a system information block (SIB) or a master information block (MIB).

22. At least one non-transitory machine-readable medium including instructions for operation of a computing system, which when executed by a machine, cause the machine to:

receive, at a User Equipment (UE) from an evolved Node B (eNB), a physical downlink control channel (PDCCH) transmission on a licensed band;

receive, at the UE from the eNB, a machine-type communication (MTC) physical broadcast channel (M-PBCH) transmission including a MTC system information block (M-SIB), the SIB including configuration information to configure a MTC region of the licensed band, wherein the MTC region includes a subset of frequencies of the licensed band, and wherein the MTC region has a bandwidth of 1.4 MHz or less;

receive, at the UE from the eNB, resource allocation information in a MTC downlink control channel of the MTC region, the MTC downlink control channel being time multiplexed with the PDCCH;

receive, from the eNB, a channel state information reference signal (CSI-RS) within the MTC region, wherein the resource allocation information is rate-matched around resource elements for the CSI-RS to avoid collisions between the CSI-RS and transmissions in the MTC region; and

transmit, from the UE, a data transmission on the MTC region in an uplink.

23. The machine-readable medium of claim 22 , wherein operation s to receive the data transmission include operations to receive the data transmission using intra-slot hopping.