Apparatus and method for control channel monitoring in a new carrier type (NCT) wireless network

Patent metadata

Field	Value
Publication number	US-10028187-B2
Application number	US-201314759119-A
Country	US
Kind code	B2
Filing date	Dec 24, 2013
Priority date	Jan 3, 2013
Publication date	Jul 17, 2018
Grant date	Jul 17, 2018

Abstract

Generally, this disclosure provides apparatus and methods for improved control channel monitoring in a New Carrier Type (NCT) wireless network. A User Equipment (UE) device may include a receiver circuit to receive a Multicast/Broadcast over Single Frequency Network (MBSFN) for Physical Multicast Channel (P-MCH) transmission from an evolved Node B (eNB); an MBSFN for P-MCH detection module to detect and extract an enhanced physical downlink control channel (EPDCCH) signal from the MBSFN subframe for P-MCH transmission; and an EPDCCH monitor module to decode and monitor the extracted EPDCCH signal.

First claim

What is claimed is:

1. An evolved Node B (eNB) transceiver comprising:
physical downlink control channel (PDCCH) generation circuitry to generate a PDCCH signal;
Multicast/Broadcast over Single Frequency Network (MBSFN) for Physical Multicast Channel (P-MCH) encoding circuitry comprising time division multiplexing circuitry and frequency division multiplexing circuitry; and
a transmitter circuit to transmit a MBSFN subframe for P-MCH transmission to a User Equipment (UE);
wherein said time division multiplex circuitry time multiplexes said PDCCH signal with a P-MCH signal;
wherein said frequency division multiplexing circuitry frequency multiplexes an Enhanced Physical Downlink Control Channel (“-EPDCCH-”) signal with said P-MCH signal in a region of said MBFSN subframe that corresponds specifically to said UE receiving said transmission; and
wherein at least one cyclic redundancy check (CRC) bit is included in a P-MCH transport block of said MBSFN subframe.

2. The eNB of claim 1 , wherein said PDCCH generation circuitry is further to generate an enhanced PDCCH (EPDCCH) signal.

3. The eNB of claim 2 , wherein said MBSFN for P-MCH encoding circuitry further comprises frequency domain multiplexing (FDM) circuitry to frequency multiplex said EPDCCH signal with a P-MCH signal in said MBSFN subframe for P-MCH.

4. The eNB of claim 1 , wherein said MBSFN for P-MCH encoding circuitry further comprises superposition circuitry to superimpose said PDCCH signal onto a P-MCH signal in said MBSFN subframe for P-MCH.

5. The eNB of claim 3 , wherein said frequency domain multiplexing further comprises mapping said P-MCH signal to resource elements by puncturing regions of said EPDCCH signal in said MBSFN subframe for P-MCH.

6. The eNB of claim 3 , wherein said frequency domain multiplexing further comprises mapping said P-MCH signal to resource elements by rate matching regions of said EPDCCH signal in said MBSFN subframe for P-MCH.

7. The eNB of claim 1 , wherein downlink control information (DCI) for said MBSFN subframe for P-MCH is transmitted at an alternate subframe and/or transmitted on a different carrier.

8. The eNB of claim 2 , wherein said transmitter circuit is further to transmit a radio resource control (RRC) message providing information to said UE to enable decoding by said UE of said PDCCH or EPDCCH signal in said MBSFN subframe for P-MCH transmission.

9. User Equipment (UE) comprising:
a receiver circuit to receive a Multicast/Broadcast over Single Frequency Network (MBSFN) subframe for Physical Multicast Channel (P-MCH) transmission from an evolved Node B (eNB), the MBSFN subframe including a P-MCH transport block having at least one cyclic redundancy check (CRC) bit;
MBSFN for P-MCH detection circuitry to detect and extract a physical downlink control channel (PDCCH) signal and an enhanced PDCCH (EPDCCH) signal from said MBSFN subframe for P-MCH transmission;
wherein:
said detection circuitry comprises time domain demux circuitry to perform time domain de-multiplexing of said PDCCH signal; and
said detection circuitry comprises frequency demux circuitry to perform frequency domain de-multiplexing of said EPDCCH signal from a region of said MBFSN subframe that corresponds specifically to said UE; and
EPDCCH monitor circuitry to decode and monitor said extracted EPDCCH signal.

10. The UE of claim 9 , wherein said MBSFN for P-MCH detection circuitry further comprises superposition recovery circuitry to recover said EPDCCH signal from a superposition of said EPDCCH signal onto a P-MCH signal in said MBSFN subframe for P-MCH.

11. The UE of claim 9 , wherein said EPDCCH monitor circuitry is further to monitor said EPDCCH signal for an uplink grant or a Semi-Persistent Scheduling (SPS) release.

12. The UE of claim 9 , wherein downlink control information (DCI) for said MBSFN subframe for P-MCH is received at an alternate subframe and/or transmitted on a different carrier.

13. The UE of claim 9 , wherein said receiver circuit is further to receive a radio resource control (RRC) message providing information from said eNB to enable decoding of said EPDCCH signal in said MBSFN subframe for P-MCH transmission.

14. User Equipment (UE) comprising:
a receiver circuit to receive a Multicast/Broadcast over Single Frequency Network (MBSFN) subframe for Physical Multicast Channel (P-MCH) transmission from an evolved Node B (eNB), said MBSFN subframe including a P-MCH transport block having at least one cyclic redundancy check (CRC) bit;
MBSFN for P-MCH detection circuitry to detect and extract a physical downlink control channel (PDCCH) signal, or an enhanced PDCCH (EPDCCH) signal, from a region of said MBSFN subframe for P-MCH transmission that corresponds specifically to said UE;
wherein:
said detection circuitry comprises time domain demux circuitry to perform time domain de-multiplexing of said PDCCH signal; and
said detection circuitry comprises frequency demux circuitry to perform frequency domain de-multiplexing of said EPDCCH signal;
PDCCH monitor circuitry to decode and monitor said extracted PDCCH signal.

15. The UE of claim 14 , wherein said MBSFN for P-MCH detection circuitry further comprises superposition recovery circuitry to recover said PDCCH signal from a superposition of said PDCCH signal onto a P-MCH signal in said MBSFN subframe for P-MCH.

16. The UE of claim 14 , wherein said PDCCH monitor circuitry is further to monitor said PDCCH signal for an uplink grant or a Semi-Persistent Scheduling (SPS) release.

17. The UE of claim 14 , wherein downlink control information (DCI) for said MBSFN subframe for P-MCH is received at an alternate subframe and/or transmitted on a different carrier.

18. The UE of claim 14 , wherein said receiver circuit is further to receive a radio resource control (RRC) message providing information from said eNB to enable decoding of said PDCCH signal in said MBSFN subframe for P-MCH transmission.

19. A method comprising:
providing User Equipment comprising Multicast/Broadcast over Single Frequency Network (MBSFN) for Physical Multicast Channel (P-MCH) detection circuitry to detect and extract a physical downlink control channel (PDCCH) signal, or an enhanced PDCCH (EPDCCH) signal, from a MBSFN subframe for P-MCH transmission, wherein said MBSFN subframe includes a P-MCH transport block having at least one cyclic redundancy check (CRC) bit, wherein said detection circuitry comprises time domain demux circuitry to perform time domain de-multiplexing of said PDCCH signal from a region of said MBFSN subframe that corresponds specifically to said UE, and wherein said detection circuitry comprises frequency demux circuitry to perform frequency domain de-multiplexing of said EPDCCH signal;
receiving by said User Equipment an MBSFN subframe for P-MCH transmission from an eNB;
detecting a PDCCH signal, or an EPDCCH signal, from said received MBSFN subframe for P-MCH transmission;
extracting said PDCCH signal, or said EPDCCH signal, from said MBSFN subframe for P-MCH transmission; and
monitoring said PDCCH signal, or said EPDCCH signal, for an uplink grant or an SPS release.

20. The method of claim 19 , further comprising detecting an EPDCCH signal from said received MBSFN subframe for P-MCH transmission and extracting said EPDCCH signal from said MBSFN subframe for P-MCH transmission.

21. The method of claim 19 , further comprising time de-multiplexing said PDCCH signal from a P-MCH signal in said MBSFN subframe for P-MCH.

22. The method

Assignees

• Intel Corp

Inventors

• Han Seunghee
• Fwu Jong-Kae
• He Hong
• Zhu Yuan
• Davydov Alexei
• Bashar Shafi

Classifications

• H04W72/21

  in the uplink direction of a wireless link, i.e. towards the network · CPC title

• H04W72/23

  in the downlink direction of a wireless link, i.e. towards a terminal · CPC title

• H04W72/30

  Resource management for broadcast services · CPC title

• H04W88/16

  Gateway arrangements · CPC title

• H04L12/4641

  Virtual LANs, VLANs, e.g. virtual private networks [VPN] (LAN interconnection over a bridge based backbone H04L12/462; encapsulation techniques H04L12/4633; routing of packets H04L45/00; packet switches H04L49/00; virtual private networks for security H04L63/0272) · CPC title