Enhanced node B (eNB) and method for MTC coexistence
View Patent ↗Embodiments of a machine-type communication (MTC) User Equipment (UE) and methods for configuring a MTC UE using an evolved Node B (eNB) are generally described herein. A method for configuring a UE for communication performed by circuitry of an evolved Node B (eNB) may include 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 master information block (M-MIB) in a MTC region of the licensed band, wherein the MTC region includes a subset of frequencies of the licensed band, and transmitting, from the eNB to the UE, a first data transmission on the MTC region in a downlink.
1. An apparatus of a bandwidth-limited user equipment (UE) configured for machine-type communication (MTC), the apparatus comprising: processing circuitry, configured to:
decode, from signaling received from a Base Station (BS), a MTC physical downlink control channel (MPDCCH) intended for the bandwidth-limited UE, the MPDCCH having a narrower bandwidth than PDCCH and including downlink control information (DCI), the MPDCCH DCI having a non-legacy DCI format and indicating a physical downlink shared channel (PDSCH) subframe assignment for the bandwidth-limited UE;
decode the PDSCH, in a first subframe according to the MPDCCH DCI, wherein the PDSCH is received a predetermined number of subframes after a last subframe in which the MPDCCH is received, and wherein a starting symbol for an initial subframe in which the MPDCCH is transmitted is configured by the BS,
wherein the PDSCH in the first subframe includes a system information block (SIB) in a narrowband portion of the first subframe, and wherein the MPDCCH DCI indicates a plurality of PDSCH subframes for the bandwidth-limited UE that are configured to repeat according to the BS; and
memory, configured to store at the least the MPDCCH DCI.
2. The apparatus of claim 1 , wherein the processing circuitry is configured to decode the PDSCH in a second subframe according to the MPDCCH DCI, the second subframe not including a SIB.
3. The apparatus of claim 1 , wherein the number of subframes after the last subframe in which the MPDCCH is received is predetermined by the BS.
4. The apparatus of claim 1 , wherein the processing circuitry is to configure the bandwidth-limited UE to operate in a licensed cellular band within a limited channel bandwidth of six physical resource blocks (PRB) corresponding to a maximum channel bandwidth of 1.4 MHz.
5. The apparatus of claim 1 , wherein the plurality of the PDSCH subframes for the bandwidth-limited UE includes the first subframe, including the SIB, and the plurality of the PDSCH subframes are configured to repeat periodically.
6. An apparatus of a Base Station (BS) configured for machine-type communication (MTC), the apparatus comprising: processing circuitry, configured to:
encode, for transmission to a bandwidth-limited user equipment (UE), a MTC physical downlink control channel (MPDCCH), the MPDCCH having a narrower bandwidth than PDCCH and including downlink control information (DCI), the MPDCCH DCI having a non-legacy DCI format and indicating a physical downlink shared channel (PDSCH) subframe assignment for the bandwidth-limited UE;
encode, for transmission to the bandwidth-limited UE, PDSCH in a first subframe, according to the MPDCCH DCI, wherein the PDSCH is to be transmitted a predetermined number of subframes after a last subframe in which the MPDCCH is transmitted, and wherein a starting symbol for an initial subframe in which the MPDCCH is transmitted is configured by a higher layer,
wherein the processing circuitry is configured to encode a system information block (SIB) in a narrowband portion of the first subframe of the PDSCH, and wherein the MPDCCH DCI indicates a plurality of PDSCH subframes for the bandwidth-limited UE that are configured to repeat according to a higher layer; and
memory, configured to store at the least the MPDCCH DCI.
7. The apparatus of claim 6 , wherein the processing circuitry is configured to encode the PDSCH in a second subframe according to the MPDCCH DCI, the second subframe not including a SIB.
8. The apparatus of claim 6 , wherein the number of subframes after the last subframe in which the MPDCCH is transmitted is predetermined by a higher layer.
9. The apparatus of claim 6 , wherein the processing circuitry is to configure the BS to operate in a licensed cellular band within a limited channel bandwidth of six physical resource blocks (PRB) corresponding to a maximum channel bandwidth of 1.4 MHz.
10. The apparatus of claim 6 , wherein the plurality of the PDSCH subframes for the bandwidth-limited UE includes the first subframe, including the SIB, and the plurality of the PDSCH subframes are configured to repeat periodically.
11. The apparatus of claim 6 , wherein the BS is an Evolved Node-B (eNB).
12. A computer-readable hardware storage device that stores instructions for execution by one or more processors of a User Equipment (UE), the instructions to configure the one or more processors to:
decode, from signaling received from a Base Station (BS), a MTC physical downlink control channel (MPDCCH) intended for the bandwidth-limited UE, the MPDCCH having a narrower bandwidth than PDCCH and including downlink control information (DCI), the MPDCCH DCI having a non-legacy DCI format and indicating a physical downlink shared channel (PDSCH) subframe assignment for the bandwidth-limited UE; and
decode the PDSCH, in a first subframe according to the MPDCCH DCI, wherein the PDSCH is received a predetermined number of subframes after a last subframe in which the MPDCCH is received, wherein a starting symbol for an initial subframe in which the MPDCCH is transmitted is configured by the BS, and wherein the PDSCH in the first subframe includes a system information block (SIB) in a narrowband portion of the first subframe,
wherein the PDSCH in the first subframe includes a system information block (SIB) in a narrowband portion of the first subframe, and wherein the MPDCCH DCI indicates a plurality of PDSCH subframes for the bandwidth-limited UE that are configured to repeat according to the BS.
13. The computer-readable hardware storage device of claim 12 , wherein the instructions are to configure the one or more processors to decode the PDSCH in a second subframe according to the MPDCCH DCI, the second subframe not including a SIB.
14. The apparatus of claim 12 , wherein the number of subframes after the last subframe in which the MPDCCH is received is predetermined by the BS.
15. A computer-readable hardware storage device that stores instructions for execution by one or more processors of a Base Station (BS), the instructions to configure the one or more processors to:
encode, for transmission to a bandwidth-limited user equipment (UE), a MTC physical downlink control channel (MPDCCH), the MPDCCH having a narrower bandwidth than PDCCH and including downlink control information (DCI), the MPDCCH DCI having a non-legacy DCI format and indicating a physical downlink shared channel (PDSCH) subframe assignment for the bandwidth-limited UE;
encode, for transmission to the bandwidth-limited UE, PDSCH in a first subframe, according to the MPDCCH DCI, wherein the PDSCH is to be transmitted a predetermined number of subframes after a last subframe in which the MPDCCH is transmitted, and wherein a starting symbol for an initial subframe in which the MPDCCH is transmitted is configured by a higher layer; and
encode a system information block (SIB) in a narrowband portion of the first subframe of the PDSCH,
wherein the MPDCCH DCI indicates a plurality of PDSCH subframes for the bandwidth-limited UE that are configured to repeat according to a higher layer.
16. The computer-readable hardware storage device of claim 15 , wherein the instructions are to configure the one or more processors to encode the PDSCH in a second subframe according to the MPDCCH DCI, the second subframe not including a SIB.