Downlink control indication for a stand-alone new carrier type (NCT)

• US 9,166,718 B2
• Filed: 03/04/2013
• Issued: 10/20/2015
• Est. Priority Date: 05/11/2012
• Status: Expired due to Fees

• Current Assignee: Intel Corporation
• Original Assignee: Intel Corporation
• Inventors: Chen, Xiaogang, Zhu, Yuan, Fwu, Jong-Kae, Etemad, Kamran, Li, Qinghua, He, Hong, Huang, Rui
• Primary Examiner(s): Wong, Warner
• Application Number:
  US13/784,459
• Publication Number:
  US 20130301549A1
• Time in Patent Office: 960 Days
• Field of Search: 37025231-25235, 370464-465
• US Class Current: 1/1
• CPC Class Codes: H04B 1/56 with provision for simultaneous communication in two directions
• CPC Class Codes: H04B 15/00 Suppression or limitation of noise or interference by means associated with receiver H04B1/10
• CPC Class Codes: H04B 7/024 Co-operative use of antennas of several sites, e.g. in co-ordinated multipoint or co-operative multiple-input multiple-output [MIMO] systems
• CPC Class Codes: H04B 7/0417 Feedback systems
• CPC Class Codes: H04B 7/0456 Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
• CPC Class Codes: H04B 7/0473 taking constraints in layer or codeword to antenna mapping into account
• CPC Class Codes: H04B 7/0486 taking channel rank into account
• CPC Class Codes: H04B 7/0626 Channel coefficients, e.g. channel state information [CSI]
• CPC Class Codes: H04B 7/063 Parameters other than those covered in groups H04B7/0623 - H04B7/0634, e.g. channel matrix rank or transmit mode selection
• CPC Class Codes: H04B 7/0632 Channel quality parameters, e.g. channel quality indicator [CQI]
• CPC Class Codes: H04B 7/0639 Using selective indices, e.g. of a codebook, e.g. pre-distortion matrix index [PMI] or for beam selection
• CPC Class Codes: H04B 7/0647 Variable feedback rate
• CPC Class Codes: H04B 7/065 Variable contents, e.g. long-term or short-short
• CPC Class Codes: H04B 7/26 at least one of which is mobile
• CPC Class Codes: H04J 3/00 Time-division multiplex systems H04J14/00 takes precedence; relay systems H04B7/14; selecting techniques H04Q
• CPC Class Codes: H04J 3/1694 Allocation of channels in TDM/TDMA networks, e.g. distributed multiplexers Passive Optical Networks H04Q11/0062
• CPC Class Codes: H04J 3/26 in which the information and the address are simultaneously transmitted
• CPC Class Codes: H04L 1/0026 Transmission of channel quality indication
• CPC Class Codes: H04L 1/1803 Stop-and-wait protocols
• CPC Class Codes: H04L 1/1822 involving configuration of automatic repeat request [ARQ] with parallel processes
• CPC Class Codes: H04L 27/2627 : Modulators
• CPC Class Codes: H04L 5/0007 : the frequencies being orthogonal, e.g. OFDM(A), DMT
• CPC Class Codes: H04L 5/001 : the frequencies being arranged in component carriers
• CPC Class Codes: H04L 5/0035 : Resource allocation in a cooperative multipoint environment
• CPC Class Codes: H04L 5/0053 : Allocation of signaling, i.e. of overhead other than pilot signals
• CPC Class Codes: H04L 5/0073 : Allocation arrangements that take into account other cell interferences for intercell interference mitigation or co-ordination in orthogonal multiplex systems H04J11/005
• CPC Class Codes: H04L 5/0096 : Indication of changes in allocation
• CPC Class Codes: H04L 5/14 : Two-way operation using the same type of signal, i.e. duplex
• CPC Class Codes: H04L 5/1469 : using time-sharing
• CPC Class Codes: H04L 65/00 : Network arrangements, protocols or services for supporting real-time applications in data packet communication real-time or near real-time messaging, e.g. instant messaging [IM] H04L51/04; selective video distribution H04N21/00
• CPC Class Codes: H04L 69/22 : Parsing or analysis of headers
• CPC Class Codes: H04L 69/324 : in the data link layer [OSI layer 2], e.g. HDLC
• CPC Class Codes: H04W 16/14 : Spectrum sharing arrangements between different networks
• CPC Class Codes: H04W 24/02 : Arrangements for optimising operational condition
• CPC Class Codes: H04W 24/10 : Scheduling measurement reports ; Arrangements for measurement reports
• CPC Class Codes: H04W 36/00 : Hand-off or reselection arrangements
• CPC Class Codes: H04W 36/0061 : of neighbour cell information
• CPC Class Codes: H04W 36/0088 : Scheduling hand-off measurements
• CPC Class Codes: H04W 36/0094 : Definition of hand-off measurement parameters
• CPC Class Codes: H04W 36/04 : Reselecting a cell layer in multi-layered cells
• CPC Class Codes: H04W 36/16 : Performing reselection for specific purposes
• CPC Class Codes: H04W 36/22 : for handling the traffic
• CPC Class Codes: H04W 4/02 : Services making use of location information
• CPC Class Codes: H04W 4/023 : using mutual or relative location information between multiple location based services [LBS] targets or of distance thresholds
• CPC Class Codes: H04W 4/06 : Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
• CPC Class Codes: H04W 4/16 : Communication-related supplementary services, e.g. call-transfer or call-hold
• CPC Class Codes: H04W 4/70 : Services for machine-to-machine communication [M2M] or machine type communication [MTC]
• CPC Class Codes: H04W 4/90 : Services for handling of emergency or hazardous situations, e.g. earthquake and tsunami warning systems [ETWS]
• CPC Class Codes: H04W 48/20 : Selecting an access point
• CPC Class Codes: H04W 52/0209 : in terminal devices terminal devices per se H04W88/02
• CPC Class Codes: H04W 52/0212 : managed by the network, e.g. network or access point is master and terminal is slave
• CPC Class Codes: H04W 52/0216 : using a pre-established activity schedule, e.g. traffic indication frame
• CPC Class Codes: H04W 52/0225 : using monitoring of external events, e.g. the presence of a signal
• CPC Class Codes: H04W 52/0229 : where the received signal is a wanted signal
• CPC Class Codes: H04W 52/0235 : where the received signal is a power saving command
• CPC Class Codes: H04W 52/0251 : using monitoring of local events, e.g. events related to user activity
• CPC Class Codes: H04W 56/00 : Synchronisation arrangements
• CPC Class Codes: H04W 56/001 : Synchronization between nodes
• CPC Class Codes: H04W 72/02 : Selection of wireless resources by user or terminal
• CPC Class Codes: H04W 72/044 : based on the type of the allocated resource
• CPC Class Codes: H04W 72/12 : Wireless traffic scheduling
• CPC Class Codes: H04W 72/1215 : for collaboration of different radio technologies
• CPC Class Codes: H04W 72/21 : in the uplink direction of a wireless link, i.e. towards the network
• CPC Class Codes: H04W 72/23 : in the downlink direction of a wireless link, i.e. towards a terminal
• CPC Class Codes: H04W 72/27 : between access points
• CPC Class Codes: H04W 72/30 : Resource management for broadcast services
• CPC Class Codes: H04W 72/51 : based on terminal or device properties
• CPC Class Codes: H04W 72/54 : based on quality criteria
• CPC Class Codes: H04W 72/541 : using the level of interference
• CPC Class Codes: H04W 72/542 : using measured or perceived quality
• CPC Class Codes: H04W 72/56 : based on priority criteria
• CPC Class Codes: H04W 76/14 : Direct-mode setup
• CPC Class Codes: H04W 76/18 : Management of setup rejection or failure
• CPC Class Codes: H04W 76/27 : Transitions between radio resource control [RRC] states
• CPC Class Codes: H04W 76/28 : Discontinuous transmission [DTX]; Discontinuous reception [DRX]
• CPC Class Codes: H04W 88/02 : Terminal devices
• CPC Class Codes: H04W 88/06 : adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals
• CPC Class Codes: H04W 88/08 : Access point devices
• CPC Class Codes: Y02D 30/70 : in wireless communication networks

Abstract

Technology for determining a common search space (CSS) from a physical resource block (PRB) indication for a stand-alone carrier type is disclosed. In an example, a user equipment (UE) configured for determining a common search space (CSS) from a physical resource block (PRB) indication for a stand-alone carrier type can include a processing module to: Determine a PRB set in the CSS from an enhanced physical hybrid automatic repeat request (ARQ) indicator channel (ePHICH) configuration information in a master information block (MIB); and decode an enhanced physical downlink control channel (ePDCCH) or the ePHICH from PRB region candidates in the PRB set.

Claims

1. A user equipment (UE) configured for determining a common search space (CSS) from a physical resource block (PRB) indication for a stand-alone carrier type, comprising:

a processing module to;

determine a PRB set in the CSS from an enhanced physical hybrid automatic repeat request (ARQ) indicator channel (ePHICH) configuration information in a master information block (MIB), wherein the ePHICH configuration information includes 3 bits, wherein at least 1 bit is used to indicate one or more PRB region candidates and at least 1 bit is used to indicate one or more ePHICH resource configurations; and

decode an enhanced physical downlink control channel (ePDCCH) or the ePHICH from PRB region candidates in the PRB set.

2. The UE of claim 1, further comprising:

a transceiver module to;

receive the MIB including the ePHICH configuration information from a node,

wherein the node is selected from the group consisting of a base station (BS), a Node B (NB), an evolved Node B (eNB), a baseband unit (BBU), a remote radio head (RRH), a remote radio equipment (RRE), a remote radio unit (RRU), a central processing module (CPM), and combinations thereof.

3. The UE of claim 1, wherein the stand-alone carrier type is a new carrier type (NCT) without a legacy physical downlink control channel (PDCCH).

4. The UE of claim 1, wherein the ePHICH configuration information includes 3 bits, wherein 1 bit is used to indicate two PRB region candidates, and 2 bits are used to indicate up to four ePHICH resource configurations, wherein an ePHICH resource configuration is a multiple of an NPHICH and the NPHICH is a parameter related to a system bandwidth.

5. The UE of claim 4, wherein an ePHICH transmission can be implicitly indicated by the 3 ePHICH configuration information bits, and an ePHICH PRB begins from a specified PRB prior to a last PRB for the CSS of the ePDCCH indicated by the ePHICH configuration information bits.

6. The UE of claim 1, wherein the ePHICH configuration information includes 3 bits, wherein 2 bits are used to indicate four PRB region candidates, and 1 bit is used to indicate up to two ePHICH resource configurations, wherein an ePHICH resource configuration is a multiple of an NPHICH and the NPHICH is a parameter related to a system bandwidth.

7. The UE of claim 1, wherein the UE includes at least one of an antenna, a touch sensitive display screen, a speaker, a microphone, a graphics processor, an application processor, internal memory, a non-volatile memory port, and combinations thereof.

8. A user equipment (UE) to determine a location and a size of a common search space (CSS) of an enhanced physical downlink control channel (ePDCCH) for a stand-alone carrier, having computer circuitry configured to:

receive from an evolved Node B (eNB) the ePDCCH mapped to a CSS resource region with a CSS bandwidth (CBW) less than a system bandwidth (BW), wherein the CSS resource region is mapped to a central number of M of physical resource blocks (PRBs) including a central direct current (DC) subcarrier in a frequency domain; and

decode downlink control information (DCI) candidates in the CSS resource region for the ePDCCH.

9. The computer circuitry of claim 8, wherein a start symbol of the CSS resource region is the first orthogonal frequency-division multiplexing (OFDM) symbol of a first slot in a subframe, an end symbol of the CSS resource region is the last OFDM symbol in the subframe, a CSS PRB size is a number of PRBs in the frequency domain for the CSS resource region, and the CSS PRB size is a fixed value or indicated through a physical layer channel.

10. The computer circuitry of claim 8, wherein the computer circuitry is further configured to:

receive from the evolved Node B (eNB) a CSS indicator of the CSS resource region of the ePDCCH, wherein the CSS indicator includes a CSS bandwidth indication carried in an information element (IE) in a master information block (MIB) on a physical broadcast channel (PBCH).

11. The computer circuitry of claim 8, wherein the computer circuitry is further configured to:

receive from the evolved Node B (eNB) a CSS indicator of the CSS resource region of the ePDCCH, wherein the CSS indicator includes a downlink system bandwidth indication carried in an information element (IE) in a master information block (MIB) on a physical broadcast channel (PBCH), and a downlink system bandwidth has a predefined one-to-one mapping to a CSS bandwidth.

12. The computer circuitry of claim 8, wherein the computer circuitry configured to decode the DCI candidates in the CSS resource region for the ePDCCH is further configured to:

descramble CSS bandwidth candidates with a cyclic redundancy check (CRC) mask specified for a CSS bandwidth, wherein each CSS bandwidth uses a unique CRC mask.

17. The computer circuitry of claim 8, wherein the CBW is greater than or equal to six PRBs in the frequency domain.

18. The computer circuitry of claim 8, wherein the CBW is less than or equal to a machine type communication (MTC) device bandwidth.

19. The computer circuitry of claim 8, wherein the stand-alone carrier type is a new carrier type (NCT) without a legacy physical downlink control channel (PDCCH).

20. The computer circuitry of claim 8, wherein the UE includes at least one of an antenna, a touch sensitive display screen, a speaker, a microphone, a graphics processor, an application processor, internal memory, a non-volatile memory port, and combinations thereof.

13. A user equipment (UE) to determine a location and a size of a common search space (CSS) of an enhanced physical downlink control channel (ePDCCH) for a stand-alone carrier, having computer circuitry configured to:

receive from an evolved Node B (eNB) the ePDCCH mapped to a CSS resource region with a CSS bandwidth (CBW) less than a system bandwidth (BW);

receive from the evolved Node B (eNB) a CSS indicator of the CSS resource region of the ePDCCH, wherein the system bandwidth (BW) includes a plurality of CSS candidate regions in the CSS resource region in the frequency domain, wherein each CSS candidate region is indicated by a CSS region index; and

decode downlink control information (DCI) candidates in the CSS resource region for the ePDCCH.

14. The computer circuitry of claim 13, wherein the CSS region index is carried in an information element (IE) in a master information block (MIB) using radio resource control (RRC) signaling.

15. The computer circuitry of claim 14, wherein a downlink system bandwidth has a predefined one-to-one mapping to a CSS bandwidth.

16. The computer circuitry of claim 13, wherein the CSS indicator includes a physical common search space indicator channel (PCICH) including the CSS region index and CSS bandwidth information received on a same set of antenna ports as a physical broadcast channel (PBCH), wherein each PCICH for a cell uses a cell-specific symbol offset.

21. The computer circuitry of claim 13, wherein the CBW is greater than or equal to six PRBs in the frequency domain.

22. The computer circuitry of claim 13, wherein the CBW is less than or equal to a machine type communication (MTC) device bandwidth.

23. The computer circuitry of claim 13, wherein the stand-alone carrier type is a new carrier type (NCT) without a legacy physical downlink control channel (PDCCH).

24. The computer circuitry of claim 13, wherein the UE includes at least one of an antenna, a touch sensitive display screen, a speaker, a microphone, a graphics processor, an application processor, internal memory, a non-volatile memory port, and combinations thereof.