WO2015006919A1 - 控制信息的传输方法、用户设备和基站 - Google Patents

控制信息的传输方法、用户设备和基站 Download PDF

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Publication number
WO2015006919A1
WO2015006919A1 PCT/CN2013/079458 CN2013079458W WO2015006919A1 WO 2015006919 A1 WO2015006919 A1 WO 2015006919A1 CN 2013079458 W CN2013079458 W CN 2013079458W WO 2015006919 A1 WO2015006919 A1 WO 2015006919A1
Authority
WO
WIPO (PCT)
Prior art keywords
epdcch
user equipment
configuration information
transmission bandwidth
sets
Prior art date
Application number
PCT/CN2013/079458
Other languages
English (en)
French (fr)
Inventor
成艳
薛丽霞
柯柏安
Original Assignee
华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to EP19202613.6A priority Critical patent/EP3694131B1/en
Priority to CN202010065327.2A priority patent/CN111277392A/zh
Priority to CN201380002666.4A priority patent/CN104969638B/zh
Priority to CN201811071846.9A priority patent/CN109039568B/zh
Priority to CN202010062727.8A priority patent/CN111294190B/zh
Priority to EP13889364.9A priority patent/EP3002983B1/en
Priority to PCT/CN2013/079458 priority patent/WO2015006919A1/zh
Priority to CN202010062522.XA priority patent/CN111049635A/zh
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to CN201811071704.2A priority patent/CN109327298B/zh
Priority to CN202010065469.9A priority patent/CN111565100A/zh
Publication of WO2015006919A1 publication Critical patent/WO2015006919A1/zh
Priority to US14/996,599 priority patent/US10524241B2/en
Priority to US16/409,098 priority patent/US10779269B2/en
Priority to US16/997,679 priority patent/US11464003B2/en

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053Allocation of signaling, i.e. of overhead other than pilot signals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/08Configuration management of networks or network elements
    • H04L41/085Retrieval of network configuration; Tracking network configuration history
    • H04L41/0853Retrieval of network configuration; Tracking network configuration history by actively collecting configuration information or by backing up configuration information
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/0091Signaling for the administration of the divided path
    • H04L5/0094Indication of how sub-channels of the path are allocated
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W4/00Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/06Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/20Control channels or signalling for resource management
    • H04W72/23Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal

Definitions

  • the present invention relates to the field of wireless technologies, and in particular, to a method for transmitting control information, a user equipment, and a base station. Background technique
  • each LTE carrier is backward compatible, and each carrier sends a PSS (Primary Synchronization Signal) with the same resource location and transmission mode as the R8 LTE system.
  • PSS Primary Synchronization Signal
  • SSS Secondary Synchronization Signal
  • PBCH Physical Broadcast Channel
  • SIB System Information Block
  • PDCCH Physical Downlink Control Channel
  • all bands and all CRS Cell-specific Reference Signal
  • CRS Cell-specific Reference Signal
  • a DMRS (Demodulation Reference Signal) is also introduced, which is also used for PDSCH data demodulation, and the DMRS is only used in a PRB (Physical Resource Block) for transmitting a PDSCH.
  • PRB Physical Resource Block
  • an EPDCCH Enhanced PDCCH
  • the maximum system bandwidth that a carrier can support is 20 MHz, and the LTE terminal can receive and transmit data on the entire carrier.
  • Low Cost MTC UE User Equipment, User Equipment
  • this type of user equipment can only receive and transmit data in a small bandwidth (and narrowband), thereby reducing the downlink data processing capability and data storage of the MTC terminal, thereby saving costs.
  • NCT New Carrier Type
  • a single antenna CRS is transmitted only on a few subframes, and the CRS is not used for PDSCH demodulation.
  • the new carrier type carrier will be used for LTE terminals of different capabilities in the version after LTE version R11, and is used for multiple service types such as unicast, MBMS (Multimedia Broadcast Multicast Service). Conduct the service.
  • MBMS Multimedia Broadcast Multicast Service
  • One of the design goals of the new carrier type is efficient spectrum utilization. Therefore, how to design the transmission mechanism of the common control channel on the NCT carrier to obtain higher spectrum usage is a problem to be solved. Summary of the invention
  • the embodiment of the present invention provides a method for transmitting control information, a user equipment, and a base station.
  • the technical solution is as follows:
  • a method for transmitting control information including:
  • the user equipment acquires configuration information of the enhanced physical downlink control channel EPDCCH set;
  • At least one EPDCCH set of the EPDCCH At least one EPDCCH set of the EPDCCH
  • the user equipment listens to the EPDCCH on the resource corresponding to the at least one EPDCCH set, and acquires control information sent by the base station.
  • the acquiring, by the user equipment, the configuration information of the enhanced physical downlink control channel EPDCCH set includes:
  • the user equipment acquires configuration information of the at least two enhanced physical downlink control channel EPDCCH sets.
  • the determining, by the user equipment, the at least one EPDCCH set that needs to be monitored from the EPDCCH set, according to the configuration information includes:
  • the acquiring, by the user equipment, the configuration information of the EPDCCH set includes:
  • the user equipment receives the first EPDCCH on the first resource, and acquires configuration information of the at least two EPDCCH sets according to the control information carried by the first EPDCCH; or
  • the user equipment receives the broadcast channel, and acquires configuration information of the at least two EPDCCH sets according to the broadcast message carried by the broadcast channel.
  • the user equipment receives a first EPDCCH on the first resource, and according to the control information of the first EPDCCH bearer, Obtaining configuration information of the at least two EPDCCH sets includes:
  • the user equipment receives the first EPDCCH on the first resource, and performs decoding on the physical downlink shared channel (PDSCH) according to the control information of the first EPDCCH, and acquires configuration information of the PDSCH bearer, according to the PDSCH bearer.
  • Configuring information acquiring configuration information of the at least two EPDCCH sets;
  • the user equipment receives the first EPDCCH on the first resource, and obtains downlink control information DCI corresponding to the first EPDCCH according to the control information of the first EPDCCH, according to the configuration information carried in the DCI. And acquiring configuration information of the at least two EPDCCH sets.
  • the user equipment is configured to receive a broadcast channel, and obtain the at least two EPDCCHs according to a broadcast message carried by the broadcast channel
  • the configuration information of the collection includes:
  • a fifth possible implementation in the first aspect And determining, by the user equipment, the at least one EPDCCH set that needs to be monitored by the EPDCCH from the at least two EPDCCH sets according to the configuration information of the at least two enhanced physical downlink control channel EPDCCH sets, including:
  • the user equipment acquires transmission bandwidth configuration information
  • the acquiring, by the user equipment, the transmission bandwidth configuration information includes:
  • the user equipment receives the second EPDCCH on the first resource, and obtains the transmission bandwidth configuration information according to the control information carried by the second EPDCCH; or
  • the user listens to the third EPDCCH on the resource corresponding to the EPDCCH set that needs to be monitored by the EPDCCH, and obtains the transmission bandwidth configuration information according to the control information carried by the third EPDCCH.
  • the second EPDCCH that is received by the user equipment on the first resource is a cyclic redundancy check CRC, and the first RNTI is used.
  • the first RNTI is shared by a group of user equipments, and the corresponding user equipments have the same transmission bandwidth.
  • the configuration information of the at least two enhanced physical downlink control channel EPDCCH sets according to the transmission bandwidth of the user equipment includes:
  • the user equipment according to the configuration information of the at least two enhanced physical downlink control channel EPDCCH sets, from the at least Determining at least one EPDCCH set that needs to be monitored by the EPDCCH in the two EPDCCH sets, including:
  • the user equipment receives the fourth EPDCCH on the first resource, based on the received control information of the fourth EPDCCH and the configuration information of the at least two enhanced physical downlink control channel EPDCCH sets, from the at least two The EPDCCH set determines at least one EPDCCH set that needs to be monitored for the EPDCCH.
  • the method before the user equipment receives the first EPDCCH on the first resource, the method further includes: receiving, by the user equipment The broadcast channel acquires the location of the first resource according to the broadcast message carried by the broadcast channel.
  • the first resource is a first physical resource block set in the first subframe, the first sub The frame is the next subframe of the subframe carrying the synchronization signal and/or the discovery signal, the frequency domain starting position of the first physical resource block set and the frequency domain of the physical resource block set carrying the synchronization signal and/or the discovery signal The starting position is the same; or,
  • the first resource is a first physical resource block set in a first subframe, and the first subframe is a next subframe of a subframe that carries a synchronization signal and/or a discovery signal, and the first physical resource block
  • the frequency domain start position of the set has a predetermined offset from the frequency domain start position of the set of physical resource blocks carrying the synchronization signal and/or the discovery signal.
  • the twelfth possible implementation in the first aspect is the same as the physical resource block pair corresponding to one of the at least two EPDCCH sets.
  • the transmission bandwidth corresponding to the first resource is less than or equal to a maximum transmission bandwidth supported by the user equipment, and The maximum transmission bandwidth supported by the user equipment is smaller than the downlink transmission bandwidth of the carrier.
  • the at least one EPDCCH The set includes the EPDCCH set of each of the at least two EPDCCH sets, and the sum of the maximum number of blind detections of the EPDCCH monitored by the user equipment on the resources corresponding to each EPDCCH set in the at least one EPDCCH set is equal to the EPDCCH common search.
  • the number of EPDCCH sets included in the at least one EPDCCH set is smaller than the number of EPDCCH sets included in the at least two EPDCCH sets, and
  • the sum of the maximum number of blind detections of the EPDCCH monitored by the user equipment on the resources corresponding to each EPDCCH set in the at least one EPDCCH set is equal to the number of blind detections corresponding to the EPDCCH common search space.
  • the configuration information of the EPDCCH set is resource block allocation information of an EPDCCH set, and the user equipment acquires an EPDCCH set.
  • Configuration information including:
  • a broadcast channel where the broadcast message carried by the broadcast channel includes first information indicating resource allocation of the EPDCCH set, where the broadcast channel is a physical broadcast channel or an enhanced physical broadcast channel;
  • the user equipment acquires first information indicating resource allocation of the EPDCCH set in the broadcast message, thereby obtaining resource block allocation information of the EPDCCH set.
  • the information information bit of the first information corresponds to a preset N physical resource block pairs, where the N of The value pairs are the same for carriers with different downlink transmission bandwidths.
  • the user equipment determines, from the EPDCCH set, at least one EPDCCH that needs to be monitored by an EPDCCH. Collection, including:
  • the acquiring, by the user equipment, the EPDCCH on the resource corresponding to the at least one EPDCCH set, and acquiring the control information sent by the base station including:
  • the user equipment listens to the EPDCCH on the physical resource block pair corresponding to the EPDCCH set that needs to monitor the EPDCCH, and acquires control information sent by the base station.
  • the user equipment determines, according to resource block allocation information of the EPDCCH set, A pair of physical resource blocks corresponding to an EPDCCH set, including:
  • the user equipment acquires configuration information of an enhanced physical downlink control channel EPDCCH set, and obtains enhanced physical downlink control for the user equipment.
  • a method for transmitting control information including:
  • the base station sends configuration information of the enhanced physical downlink control channel EPDCCH set to the user equipment; Determining, by the base station, the EPDCCH set configured by the configuration information, that the user equipment needs to monitor at least one EPDCCH set of the EPDCCH;
  • the base station sends an EPDCCH on the resource corresponding to the at least one EPDCCH set to notify the user equipment of the control information.
  • the base station sends the configuration information of the EPDCCH set to the user equipment, and the base station sends configuration information of the at least two EPDCCH sets to the user equipment.
  • the EPDCCH set configured by the configuration information is at least two EPDCCH sets configured for the configuration information.
  • the sending, by the base station, the configuration information of the at least two EPDCCH sets to the user equipment including:
  • the base station sends the first EPDCCH to the user equipment on the first resource, so that the user equipment acquires the configuration information of the at least two EPDCCH sets according to the control information of the first EPDCCH bearer;
  • the base station sends a broadcast channel to the user equipment, so that the user equipment acquires configuration information of the at least two EPDCCH sets according to the broadcast message carried by the broadcast channel.
  • the base station sends a first EPDCCH to the user equipment on the first resource, so that the user equipment is configured according to the foregoing And acquiring, by the control information of the EPDCCH, the configuration information of the at least two EPDCCH sets, further:
  • the base station sends a first EPDCCH to the user equipment on the first resource, and sends a physical downlink shared channel (PDSCH) on the resource indicated by the first EPDCCH, where the PDSCH carries configuration information of the at least two EPDCCH sets, so that the user Decoding the PDSCH according to the first EPDCCH, and acquiring configuration information of the at least two EPDCCH sets; or
  • PDSCH physical downlink shared channel
  • the base station sends a first EPDCCH to the user equipment on the first resource, where the control information of the first EPDCCH bearer includes configuration information of the at least two EPDCCH sets, so that the user equipment root Obtaining configuration information of the at least two EPDCCH sets according to the control information of the first EPDCCH bearer.
  • the sending, by the base station, the broadcast channel to the user equipment includes:
  • the base station sends a physical downlink broadcast channel or an enhanced physical downlink broadcast channel to the user equipment.
  • the determining, by the base station, the at least two EPDCCH sets configured by the configuration information, that the user equipment needs to monitor an EPDCCH At least one EPDCCH set, including:
  • the sending, by the base station, the transmission bandwidth configuration information to the user equipment includes:
  • the base station sends a second EPDCCH to the user equipment on the first resource, so that the user equipment acquires transmission bandwidth configuration information according to the control information of the second EPDCCH bearer;
  • the base station sends a third EPDCCH on the resource corresponding to the EPDCCH set that the user equipment needs to monitor the EPDCCH, so that the user equipment acquires the transmission bandwidth configuration information according to the control information of the third EPDCCH bearer.
  • the sending, by the base station, the second EPDCCH to the user equipment by using the first RNTI Performing a scrambling on the cyclic redundancy check CRC of the second EPDCCH, and on the first resource
  • the user equipment sends the second EPDCCH, where the first RNTI is shared by a group of user equipments, and the corresponding user equipments have the same transmission bandwidth.
  • the base station according to a transmission bandwidth of the user equipment, is configured from at least two EPDCCH sets configured by the configuration information. Determining that the user equipment needs to monitor at least one EPDCCH set of the EPDCCH, including:
  • a resource block is located in at least one EPDCCH set within a transmission bandwidth of the user equipment;
  • the base station sends a broadcast message to the user equipment, where the broadcast message carries a location indication of the first resource information.
  • the first resource is a first physical resource block set in the first subframe, the first subframe For the next subframe of the subframe carrying the synchronization signal and/or the discovery signal, the frequency domain start position of the first physical resource block set and the frequency domain of the physical resource block set carrying the synchronization signal and/or the discovery signal The same starting position; or,
  • the first resource is a first physical resource block set in a first subframe
  • the first subframe is a next subframe of a subframe that carries a synchronization signal and/or a discovery signal
  • the first physical resource block The frequency domain of the collection
  • the physical resource block pair corresponding to the first resource corresponds to one of the at least two EPDCCH sets
  • the physical resource block pairs are the same.
  • the transmission bandwidth corresponding to the first resource is less than or equal to a maximum transmission bandwidth supported by the user equipment, and The maximum transmission bandwidth supported by the user equipment is smaller than the downlink transmission bandwidth of the carrier.
  • the base station sends the configuration information of the EPDCCH set to the user equipment, where the base station sends the resource block allocation of the EPDCCH set to the user equipment Information, including:
  • the base station sends a broadcast channel, the broadcast message carried by the broadcast channel includes first information indicating resource allocation of the EPDCCH set, and the base station transmits resource block allocation information of the EPDCCH set by transmitting the broadcast channel, where the broadcast channel is a physical broadcast. Channel or enhanced physical broadcast channel.
  • the information information bit of the first information corresponds to a preset N physical resource block pairs, where the N The value of the carrier is the same for carriers with different downlink transmission bandwidths.
  • the base station sends configuration information of the enhanced physical downlink control channel EPDCCH set to the user equipment, where the base station sends the configuration information to the user equipment
  • the configuration information of the enhanced physical downlink control channel EPDCCH set corresponding to the physical downlink control channel EPDCCH common search space is enhanced.
  • a user equipment includes:
  • An acquiring module configured to obtain configuration information of an enhanced physical downlink control channel EPDCCH set, and a determining module, configured to determine, according to the configuration information, the at least one EPDCCH set that the user equipment needs to listen to the EPDCCH from the EPDCCH set;
  • a monitoring module configured to monitor on a resource corresponding to the at least one EPDCCH set
  • the acquiring module is configured to acquire configuration information of at least two enhanced physical downlink control channel EPDCCH sets;
  • the determining module is configured to determine, according to the configuration information of the at least two enhanced physical downlink control channel EPDCCHs, from the at least two EPDCCH sets, at least one EPDCCH set that needs to be monitored by the EPDCCH.
  • the acquiring module is configured to receive a first EPDCCH on the first resource, according to the control of the first EPDCCH bearer And obtaining, by the acquiring module, configuration information of the at least two EPDCCH sets; or, the acquiring module is configured to receive a broadcast channel, and acquire configuration information of the at least two EPDCCH sets according to the broadcast message carried by the broadcast channel.
  • the acquiring module is configured to receive a first EPDCCH on the first resource, according to the control of the first EPDCCH bearer Decoding, the physical downlink shared channel (PDSCH) is obtained, the configuration information of the PDSCH bearer is obtained, and the configuration information of the at least two EPDCCH sets is obtained according to the configuration information of the PDSCH bearer;
  • PDSCH physical downlink shared channel
  • the acquiring module is configured to receive the first EPDCCH on the first resource, and obtain the downlink control information DCI corresponding to the first EPDCCH according to the control information of the first EPDCCH, Obtaining configuration information of the at least two EPDCCH sets according to the configuration information carried in the DCI.
  • the acquiring module is configured to receive a physical downlink broadcast channel or an enhanced physical downlink broadcast channel, according to the physical downlink broadcast channel Or the broadcast message carried by the enhanced physical downlink broadcast channel, acquiring configuration information of the at least two EPDCCH sets.
  • the determining module includes:
  • a bandwidth configuration information acquiring unit configured to acquire transmission bandwidth configuration information
  • a transmission bandwidth obtaining unit configured to acquire, according to the transmission bandwidth configuration information, a transmission bandwidth of the user equipment
  • the bandwidth configuration information acquiring unit is configured to receive a second EPDCCH on the first resource, according to the second EPDCCH. Carrying control information, obtaining transmission bandwidth configuration information; or
  • the bandwidth configuration information acquiring unit is configured to listen to the third EPDCCH on the resource corresponding to the EPDCCH set that needs to be monitored by the EPDCCH, and obtain the transmission bandwidth configuration information according to the control information of the third EPDCCH.
  • the second EPDCCH that is received on the first resource is a cyclic redundancy check CRC that is scrambled by using the first RNTI EPDCCH
  • the first RNTI is shared by a group of user equipments
  • the transmission bandwidth corresponding to the group of user equipments is the same.
  • the determining unit is configured to use, according to a transmission bandwidth of the user equipment, and configuration information of the at least two EPDCCH sets Determining, from the at least two EPDCCH sets, an EPDCCH set that needs to be monitored by the EPDCCH, where the corresponding physical resource block is located in at least one EPDCCH set within a transmission bandwidth of the user equipment; or
  • the determining unit is configured to determine, according to the transmission bandwidth of the user equipment, the hopping pattern of the transmission bandwidth, and the configuration information of the at least two enhanced physical downlink control channel EPDCCH sets, from the at least two EPDCCH sets. At least one EPDCCH set of the EPDCCH needs to be monitored.
  • the determining module is configured to receive a fourth EPDCCH on the first resource, based on the received fourth EPDCCH
  • the bearer control information and the configuration information of the at least two enhanced physical downlink control channel EPDCCH sets determine at least one EPDCCH set that needs to listen to the EPDCCH from the at least two EPDCCH sets.
  • the user equipment further includes: a broadcast channel receiving module, configured to receive a broadcast channel, and broadcast messages according to the broadcast channel , get the location of the first resource.
  • the first resource is a first physical resource block set in the first subframe
  • the first sub The frame is the next subframe of the subframe carrying the synchronization signal and/or the discovery signal
  • the frequency domain starting position of the first physical resource block set and the frequency domain of the physical resource block set carrying the synchronization signal and/or the discovery signal The starting position is the same; or,
  • the first resource is a first physical resource block set in a first subframe, and the first subframe is a next subframe of a subframe that carries a synchronization signal and/or a discovery signal, and the first physical resource block
  • the frequency domain start position of the set has a predetermined offset from the frequency domain start position of the set of physical resource blocks carrying the synchronization signal and/or the discovery signal.
  • the twelfth possible implementation in the third aspect is the same as the physical resource block pair corresponding to one of the at least two EPDCCH sets.
  • the transmission bandwidth corresponding to the first resource is less than or equal to a maximum transmission bandwidth supported by the user equipment, and The maximum transmission bandwidth supported by the user equipment is smaller than the downlink transmission bandwidth of the carrier.
  • the monitoring module is configured to: if a maximum transmission bandwidth that the user equipment can support is equal to a downlink transmission bandwidth of the carrier, And the at least one EPDCCH set includes each EPDCCH set of the at least two EPDCCH sets, and the user device monitors the maximum number of blind detections of the EPDCCH on the resource corresponding to each EPDCCH set in the at least one EPDCCH set. The sum is equal to the number of blind detections corresponding to the EPDCCH common search space;
  • the monitoring module is configured to: if the maximum transmission bandwidth that the user equipment can support is smaller than the downlink transmission bandwidth of the carrier, the number of EPDCCH sets included in the at least one EPDCCH set is smaller than the EPDCCH set included in the at least two EPDCCH sets. And the number of the maximum number of blind detections that the user equipment monitors the EPDCCH on the resource corresponding to each EPDCCH set in the at least one EPDCCH set is equal to the number of blind detection times corresponding to the EPDCCH common search space.
  • the configuration information of the EPDCCH set is resource block allocation information of an EPDCCH set
  • the acquiring module includes:
  • a receiving unit configured to receive a broadcast channel, where the broadcast message carried by the broadcast channel includes first information indicating resource allocation of an EPDCCH set, where the broadcast channel is a physical broadcast channel or an enhanced physical broadcast channel;
  • the first information acquiring unit is configured to acquire first information indicating resource allocation of the EPDCCH set in the broadcast message, thereby obtaining resource block allocation information of the EPDCCH set.
  • the information information bit of the first information corresponds to a preset N physical resource block pairs, where the N The value of the carrier is the same for carriers with different downlink transmission bandwidths.
  • the determining module is configured to determine, according to the resource block allocation information of the EPDCCH set, each of the EPDCCH sets a pair of physical resource blocks corresponding to an EPDCCH set, and determining that each EPDCCH set in the EPDCCH set is an EPDCCH set that the user equipment needs to monitor an EPDCCH;
  • the intercepting module is configured to listen to the EPDCCH on the physical resource block pair corresponding to the EPDCCH set that needs to be monitored by the EPDCCH, and acquire the control information sent by the base station.
  • the determining module is configured to use the resource block allocation information and the preset N physical resources according to the EPDCCH set. And determining, by the block, the corresponding physical resource block pair in each of the N preset physical resource block pairs in the EPDCCH set.
  • the user equipment acquires configuration information of an enhanced physical downlink control channel EPDCCH set, and obtains enhanced physical downlink control for the user equipment.
  • a base station includes:
  • a sending module configured to send, to the user equipment, configuration information of the enhanced physical downlink control channel EPDCCH set;
  • a determining module configured to determine, from the EPDCCH set configured by the configuration information, that the user equipment needs to listen to at least one EPDCCH set of the EPDCCH;
  • an EPDCCH sending module configured to send an EPDCCH on the resource corresponding to the at least one EPDCCH set, to notify the user equipment of the control information.
  • the configuration information of the EPDCCH set is that the base station sends the configuration information of the at least two EPDCCH sets to the user equipment, and the EPDCCH set configured by the configuration information is at least two EPDCCH sets configured by the configuration information.
  • the sending module is configured to send a first EPDCCH to the user equipment on the first resource, so that the user equipment is configured according to the user equipment Control information carried by the first EPDCCH, acquiring configuration information of the at least two EPDCCH sets; or
  • the sending module is configured to send a broadcast channel to the user equipment, so that the user equipment acquires configuration information of the at least two EPDCCH sets according to the broadcast message carried by the broadcast channel.
  • the sending module is configured to send, by using a first resource, a first EPDCCH to the user equipment, where the first EPDCCH is Transmitting, by the indicated resource, a physical downlink shared channel (PDSCH), where the PDSCH carries the configuration information of the at least two EPD C CH sets, so that the user equipment decodes the PDSCH according to the first EPDCCH, and obtains the Configuration information of at least two EPDCCH sets; or
  • the sending module is configured to send a first EPDCCH to the user equipment on the first resource, where the control information of the first EPDCCH bearer includes configuration information of the at least two EPDCCH sets, so that the user equipment is according to the first
  • the control information carried by the EPDCCH acquires configuration information of the at least two EPDCCH sets.
  • the sending module is configured to send a physical downlink broadcast channel or an enhanced physical downlink broadcast channel to the user equipment.
  • the sending module is configured to send transmission bandwidth configuration information to the user equipment,
  • the determining module is configured to determine, according to the transmission bandwidth of the user equipment, that the user equipment needs to listen to at least one EPDCCH set of the EPDCCH, from the at least two EPDCCH sets configured by the configuration information.
  • the sending module is configured to send a second EPDCCH to the user equipment on the first resource, so that the user Obtaining, by the device, the transmission bandwidth configuration information according to the control information of the second EPDCCH bearer; or
  • the sending module is configured to send a third EPDCCH on the resource corresponding to the EPDCCH set that the user equipment needs to monitor the EPDCCH, so that the user equipment acquires the transmission bandwidth configuration information according to the control information carried by the third EPDCCH.
  • the sending module is configured to perform, by using the first RNTI, the cyclic redundancy check CRC of the second EPDCCH,
  • the second EPDCCH is sent to the user equipment on the first resource, where the first RNTI is shared by a group of user equipments, and the transmission bandwidth corresponding to the group of user equipments is the same.
  • the determining module is configured to perform at least two configured from the configuration information according to a transmission bandwidth of the user equipment In the EPDCCH set, determining that the user equipment needs to monitor at least one EPDCCH set of the EPDCCH, where the corresponding physical resource block of the at least two EPDCCH sets is located in at least one EPDCCH set within the transmission bandwidth of the user equipment; or
  • the determining module is configured to determine, according to the transmission bandwidth of the user equipment and the hopping pattern of the transmission bandwidth, that the user equipment needs to monitor at least one EPDCCH of the EPDCCH from the at least two EPDCCH sets configured by the configuration information. set.
  • the sending module is further configured to send a broadcast message to the user equipment, where the broadcast message carries location indication information of the first resource.
  • the first resource is a first physical resource block set in a first subframe, the first subframe For the next subframe of the subframe carrying the synchronization signal and/or the discovery signal, the frequency domain start position of the first physical resource block set and the frequency domain of the physical resource block set carrying the synchronization signal and/or the discovery signal The same starting position; or,
  • the first resource is a first physical resource block set in a first subframe, and the first subframe is a next subframe of a subframe that carries a synchronization signal and/or a discovery signal, and the first physical resource block
  • the frequency domain start position of the set has a predetermined offset from the frequency domain start position of the set of physical resource blocks carrying the synchronization signal and/or the discovery signal.
  • the physical resource block pair corresponding to the first resource corresponds to one of the at least two EPDCCH sets
  • the physical resource block pairs are the same.
  • the transmission bandwidth corresponding to the first resource is less than or equal to a maximum transmission bandwidth supported by the user equipment, and The maximum transmission bandwidth supported by the user equipment is smaller than the downlink transmission bandwidth of the carrier.
  • the sending module is configured to send a broadcast channel, where the broadcast message carried by the broadcast channel includes a resource indicating an EPDCCH set.
  • the first information that is allocated, the resource block allocation information of the EPDCCH set is transmitted by sending the broadcast channel, where the broadcast channel is a physical broadcast channel or an enhanced physical broadcast channel.
  • the information information bit of the first information corresponds to a preset N physical resource block pairs, where the N The value of the carrier is the same for carriers with different downlink transmission bandwidths.
  • the fifteenth possible implementation of the fourth aspect In conjunction with any of the possible implementations of the fourth aspect, the fifteenth possible implementation of the fourth aspect In the formula, the configuration information of the enhanced physical downlink control channel EPDCCH set is sent to the user equipment, and the configuration information of the enhanced physical downlink control channel EPDCCH set corresponding to the enhanced physical downlink control channel EPDCCH common search space is sent by the base station to the user equipment.
  • the beneficial effects brought by the technical solutions provided by the embodiments of the present invention are:
  • the user equipment Acquiring, by the user equipment, configuration information of the enhanced physical downlink control channel EPDCCH set; the user equipment determining, according to the configuration information, at least one EPDCCH set that needs to be monitored by the EPDCCH from the EPDCCH set; the user equipment is in the at least one The EPDCCH is monitored on the resource corresponding to the EPDCCH set, and the control information sent by the base station is acquired. Since the at least one EPDCCH set is only a part of the EPDCCH set corresponding to the EPDCCH common search space, by selectively monitoring the part of the EPDCCH to obtain control information, repeated transmission of common control information can be avoided, and control signaling is reduced. The overhead has increased the spectrum usage.
  • FIG. 1 is a flowchart of a method for transmitting control information according to an embodiment of the present invention
  • FIG. 2 is a schematic diagram of an EPDCCH set according to an embodiment of the present invention.
  • FIG. 3 is a flowchart of a method for transmitting control information according to an embodiment of the present invention.
  • FIG. 5 is a flowchart of a method for transmitting control information according to an embodiment of the present invention.
  • FIG. 6 is a flowchart of a user equipment of a method for transmitting control information according to an embodiment of the present invention
  • FIG. 7 is a flowchart of a base station side of a method for transmitting control information according to an embodiment of the present invention
  • FIG. 9 is a schematic structural diagram of a base station according to an embodiment of the present disclosure
  • FIG. 10 is a schematic structural diagram of a user equipment according to an embodiment of the present disclosure.
  • FIG. 11 is a schematic structural diagram of a base station according to an embodiment of the present invention. detailed description
  • FIG. 1 is a flowchart of a method for transmitting control information according to an embodiment of the present invention.
  • the embodiment of the invention specifically includes:
  • the user equipment acquires the configuration information of the enhanced physical downlink control channel EPDCCH set.
  • the EPDCCH set configured in the configuration information is an EPDCCH set corresponding to the EPDCCH common search space, and the configuration information may be configured with one or more EPDCCHs. set.
  • the EPDCCH set configured by the configuration information includes multiple, different user equipments may determine, according to their own capabilities, at least one EPDCCH set that needs to listen to the EPDCCH in the configured multiple EPDCCH sets.
  • the configuration information corresponding to each EPDCCH set in the configuration information may include information such as the number of physical resource block pairs corresponding to the EPDCCH set, the physical resource block pair corresponding to the EPDCCH set, and the EPDCCH set identifier.
  • the user equipment can determine information such as the number of physical resource block pairs, the physical resource block, and the EPDCCH set identifier of each EPDCCH set according to the configuration information.
  • the user equipment determines, according to the configuration information, at least one EPDCCH set that needs to be monitored by the EPDCCH from the EPDCCH set.
  • the user equipment monitors an EPDCCH on a resource corresponding to the at least one EPDCCH set, and acquires control information sent by the base station.
  • the resource corresponding to the at least one EPDCCH set may be a physical resource block pair corresponding to at least one EPDCCH set.
  • the interception may be a downlink transmission band based on the maximum transmission bandwidth and carrier supported by the user equipment. Performing a wide relationship, determining, according to the relationship between the maximum transmission bandwidth supported by the user equipment and the downlink transmission bandwidth of the carrier, the number of blind detections corresponding to each EPDCCH set in the at least one EPDCCH set, and according to the determined number of blind detections in the at least one The EPDCCH is monitored on the resource corresponding to each EPDCCH set in the EPDCCH set.
  • the at least one EPDCCH set is only a part of the EPDCCH set corresponding to the EPDCCH common search space, and the part can be monitored by users with different capabilities in the system, so that all users need to be detected.
  • the common control information is sent on the part of the EPDCCH set, so that repeated transmission of the common control information can be avoided, the overhead of the control signaling is reduced, and the frequency usage rate is improved.
  • the step 101 “the user equipment acquires configuration information of the enhanced physical downlink control channel EPDCCH set” includes: the user equipment acquires at least two enhanced physical downlink control channel EPDCCH sets. Configuration information;
  • the step 102 the user equipment determining, according to the configuration information, the at least one EPDCCH set that needs to be monitored by the EPDCCH from the EPDCCH set, includes: the user equipment according to the at least two enhanced physical downlink control channels.
  • the configuration information of the EPDCCH set determines, from the at least two EPDCCH sets, at least one EPDCCH set that needs to be monitored by the EPDCCH.
  • the step 101: “User equipment acquires configuration information of an EPDCCH set” includes the following step 1011:
  • the user equipment receives the first EPDCCH on the first resource, and acquires configuration information of the at least two EPDCCH sets according to the control information carried by the first EPDCCH.
  • the control information of the first EPDCCH may include SIB information and the like, and for different configurations of the base station, the first EPDCCH may carry different information in different domains.
  • the configuration information for the collection includes the following step 1012:
  • the user equipment receives a broadcast channel, and acquires configuration information of the at least two EPDCCH sets according to the broadcast message carried by the broadcast channel.
  • the broadcast message includes configuration information of the at least two EPDCCH sets, that is, configuration information of the at least two EPDCCH sets is part of a broadcast message.
  • the foregoing step 1011 the user equipment receives the first EPDCCH on the first resource, and obtains the at least two according to the control information of the first EPDCCH bearer.
  • the configuration information of the EPDCCH set includes the following steps 1011a:
  • the user equipment according to the control information of the first EPDCCH, the physical downlink shared channel (PDSCH) is decoded, the configuration information of the PDSCH bearer is obtained, and the configuration of the at least two EPDCCH sets is obtained according to the configuration information of the PDSCH bearer.
  • PDSCH physical downlink shared channel
  • the configuration information of the PDSCH can be SIB information.
  • the user equipment receives the first EPDCCH on the first resource, and obtains the at least two according to the control information of the first EPDCCH bearer.
  • the configuration information of the EPDCCH set includes the following step 1011b:
  • the user equipment receives the first EPDCCH on the first resource, and obtains downlink control information DCI corresponding to the first EPDCCH according to the control information of the first EPDCCH, according to the configuration information carried in the DCI. And acquiring configuration information of the at least two EPDCCH sets.
  • the configuration information of the at least two EPDCCH sets is carried in the downlink control information DCI corresponding to the received first EPDCCH.
  • the foregoing step 1012 The user equipment receives a broadcast channel, and acquires configuration information of the at least two EPDCCH sets according to a broadcast message carried by the broadcast channel.
  • the following steps 1012a and 1012b are included: 1012, the user equipment receives the physical downlink broadcast channel or the enhanced physical downlink broadcast channel; 1012b, the user equipment acquires the at least two EPDCCH sets according to the broadcast message carried by the physical downlink broadcast channel or the enhanced physical downlink broadcast channel Configuration information.
  • the foregoing step 102: the user equipment, according to the configuration information of the at least two enhanced physical downlink control channel EPDCCH sets, from the at least two Determining at least one EPDCCH set that needs to listen to the EPDCCH in the EPDCCH set" includes the following steps 1021 - 1023:
  • the user equipment acquires transmission bandwidth configuration information.
  • the transmission bandwidth configuration information is used to indicate the transmission bandwidth of the user equipment.
  • the user equipment determines, according to the transmission bandwidth of the user equipment and the configuration information of the at least two enhanced physical downlink control channel EPDCCH sets, from the at least two EPDCCH sets, at least one EPDCCH set that needs to be monitored by the EPDCCH.
  • the at least one EPDCCH set of the resource block is located in the transmission bandwidth of the user equipment, and the determined at least one EPDCCH set is used as the EPDCCH set that the user equipment needs to monitor the EPDCCH.
  • the user equipment receives the second EPDCCH on the first resource, and obtains the transmission bandwidth configuration information according to the control information carried by the second EPDCCH.
  • the step 1021a may further include any of the following situations: (1) the user equipment receives the second EPDCCH on the first resource, and the user equipment is configured according to the control information of the second EPDCCH.
  • the physical downlink shared channel (PDSCH) is decoded, and the configuration information of the PDSCH is obtained, and the transmission bandwidth configuration information is obtained according to the configuration information of the PDSCH.
  • the information carried by the PDSCH may be SIB information, but the SIB information is only The supported maximum transmission bandwidth is less than that received by the user equipment of the carrier downlink transmission bandwidth.
  • the user equipment receives the second EPDCCH on the first resource, and the user equipment acquires the downlink control information corresponding to the second EPDCCH according to the control information of the second EPDCCH, according to the configuration information carried in the downlink control information. , get the transmission bandwidth configuration information.
  • step 1021a is the same as step 1011, and details are not described herein again. Further, optionally, based on the technical solution of the embodiment shown in FIG. 1, the foregoing step 1021: “The user equipment acquires transmission bandwidth configuration information” includes the following step 1021b:
  • the user equipment monitors a third EPDCCH on the resource corresponding to the EPDCCH set that is currently to be monitored by the EPDCCH, and obtains transmission bandwidth configuration information according to the control information carried by the third EPDCCH.
  • the EPDCCH set that needs to be monitored by the EPDCCH may be determined, and the transmission bandwidth configuration information may be obtained according to the control information carried on the third EPDCCH received from the EPDCCH set currently listening to the EPDCCH.
  • the maximum transmission bandwidth that the user equipment can support is smaller than the downlink transmission bandwidth of the carrier, and the user equipment has accessed the system and sends and/or receives data on a transmission bandwidth for a period of time, it may be received according to the received
  • the third EPDCCH acquires the reconfigured transmission bandwidth. Therefore, the EPDCCH set to be monitored by the EPDCCH may be determined according to the re-acquired transmission bandwidth in real time to perform EPDCCH monitoring.
  • the DCI corresponding to the third EPDCCH may be the same as the DCI corresponding to the second EPDCCH, and the RNTI scrambling the CRC of the third EPDCCH may be the same as the RNTI scrambled by the CRC of the second EPDCCH.
  • the foregoing step 1023 “based on the transmission bandwidth of the user equipment and the at least two enhanced physical downlink control channels EPDCCH.
  • the at least one EPDCCH set that needs to be monitored by the EPDCCH is determined to be at least one of the corresponding physical resource blocks located in the transmission bandwidth of the user equipment, according to the transmission bandwidth of the user equipment and the configuration information.
  • EPDCCH set or,
  • the user equipment determines, according to the transmission bandwidth of the user equipment, the EPDCCH set that needs to be monitored by the EPDCCH, where the user equipment determines that the EPDCCH set that needs to be monitored by the EPDCCH is the corresponding physical resource block pair corresponding to the at least two EPDCCH sets corresponding to the EPDCCH common search space.
  • the user equipment determines the EPDCCH set to be monitored by the EPDCCH based on the transmission bandwidth of the user equipment, and further determines, according to the transmission bandwidth of the user equipment and the hopping pattern of the transmission bandwidth, the EPDCCH set to be monitored by the user equipment.
  • the user equipment can learn the location of the transmission bandwidth supported by the user equipment in the current sub-frame on the carrier downlink transmission bandwidth according to the hopping pattern of the transmission bandwidth, and further determine the EPDCCH set to be monitored by the EPDCCH from the at least two EPDCCH sets.
  • the user equipment determines, according to the configuration information of the at least two enhanced physical downlink control channel EPDCCH sets, that the EPDCCH needs to be monitored from the at least two EPDCCH sets.
  • At least one EPDCCH set including:
  • the user equipment receives the fourth EPDCCH on the first resource, based on the received control information of the fourth EPDCCH and the configuration information of the at least two enhanced physical downlink control channel EPDCCH sets, from the at least two The EPDCCH set determines at least one EPDCCH set that needs to be monitored for the EPDCCH.
  • the fourth EPDCCH may be the first EPDCCH or the second EPDCCH.
  • the step 103: “The user equipment listens to the at least one EPDCCH set” includes the following steps 103a or 103b:
  • the at least one EPDCCH set includes each EPDCCH set of the at least two EPDCCH sets, and the user equipment is in the The sum of the maximum number of blind detections of the EPDCCHs on the resources corresponding to each EPDCCH set in the at least one EPDCCH set is equal to the number of blind detections corresponding to the EPDCCH common search space;
  • the number of EPDCCH sets included in the at least one EPDCCH set is smaller than the number of EPDCCH sets included in the at least two EPDCCH sets, And the sum of the maximum number of blind detections of the EPDCCH that is monitored by the user equipment on the resources corresponding to each EPDCCH set in the at least one EPDCCH set is equal to the number of blind detections corresponding to the EPDCCH common search space.
  • the number of blind detections corresponding to the user equipment EPDCCH is divided into at least two EPDCCH sets corresponding to the EPDCCH common search space, and the user equipment needs to be divided. Listening to all EPDCCH sets corresponding to the common search space; if the maximum transmission bandwidth that the user equipment can support is smaller than the downlink transmission bandwidth of the carrier, the number of blind detections corresponding to the user equipment EPDCCH is divided in the EPDCCH set in which the user equipment needs to monitor the EPDCCH.
  • the received second EPDCCH, the third EPDCCH, and the fourth EPDCCH are the EPDCCH of the cyclic redundancy check CRC using the first RNTI force interference.
  • the first RNTI is shared by a group of user equipments, and the corresponding user equipments have the same transmission bandwidth.
  • the group of user equipments may be a group of MTC users corresponding to the same transmission bandwidth.
  • the first RNTI may include multiple values, each value corresponding to one transmission bandwidth.
  • the user equipment acquires The configuration information of the EPDCCH set is used by the user equipment to obtain resource block allocation information of the EPDCCH set, including:
  • a broadcast channel where the broadcast message carried by the broadcast channel includes first information indicating resource allocation of the EPDCCH set, where the broadcast channel is a physical broadcast channel or an enhanced physical broadcast channel;
  • the user equipment acquires first information indicating resource allocation of the EPDCCH set in the broadcast message, thereby obtaining resource block allocation information of the EPDCCH set.
  • the information bit number of the first information corresponds to a preset N physical resource block pairs, and the value pair of the N has different downlink transmission bandwidths.
  • the carriers are all the same.
  • the user equipment determines, according to the configuration information, the at least one EPDCCH set that needs to be monitored by the EPDCCH from the EPDCCH set, includes:
  • the user equipment listens to the EPDCCH on the physical resource block pair corresponding to the EPDCCH set that needs to monitor the EPDCCH, and acquires control information sent by the base station.
  • the user equipment determines, according to the resource block allocation information of the EPDCCH set, a physical resource block pair corresponding to each EPDCCH set in the EPDCCH set, Includes:
  • the method further includes: receiving, by the user equipment, the broadcast channel. And acquiring, according to the broadcast message carried by the broadcast channel, the location of the first resource.
  • the location of the first resource is determined by a broadcast message carried in the broadcast channel.
  • the first resource has any of the following (1) - (4):
  • the first resource is a first physical resource block set in a first subframe, where the first subframe is a next subframe of a subframe carrying a synchronization signal and/or a discovery signal, the first physical resource block
  • the frequency domain start position of the set is the same as the frequency domain start position of the set of physical resource blocks carrying the synchronization signal and/or the discovery signal.
  • the first resource is a first physical resource block set in a first subframe, where the first subframe is a next subframe of a subframe that carries a synchronization signal and/or a discovery signal, the first physical resource block
  • the frequency domain start position of the set has a predetermined offset from the frequency domain start position of the set of physical resource blocks carrying the synchronization signal and/or the discovery signal.
  • the physical resource block corresponding to the first resource is the same as the physical resource block pair corresponding to one of the at least two EPDCCH sets.
  • the transmission bandwidth corresponding to the first resource is less than or equal to the maximum transmission bandwidth supported by the user equipment, and the maximum transmission bandwidth supported by the user equipment is smaller than the downlink transmission bandwidth of the carrier.
  • the transmission bandwidth corresponding to the first resource may be less than or equal to a predetermined value, that is, the number of physical resource block pairs included in the transmission bandwidth corresponding to the first resource may be less than or equal to a predetermined value.
  • the predetermined value may refer to a maximum transmission bandwidth supported by a certain type of user equipment in the system.
  • the user equipment may refer to a user equipment whose maximum transmission bandwidth is smaller than the downlink transmission bandwidth of the carrier, or may refer to the system.
  • the maximum transmission bandwidth supported by the type of user equipment supported by the smallest transmission bandwidth is, for example, the maximum transmission bandwidth that the MTC UE can support.
  • the predetermined value may refer to the number of physical resource block pairs included in the maximum transmission bandwidth supported by a certain type of user equipment in the system, and the user equipment may refer to the user equipment whose supported maximum transmission bandwidth is smaller than the downlink transmission bandwidth of the carrier.
  • the number of physical resource block pairs included in the maximum transmission bandwidth that the MTC UE can support for example, may be the number of physical resource block pairs included in the maximum transmission bandwidth that the MTC UE can support.
  • FIG. 2 is a schematic diagram of an EPDCCH set according to an embodiment of the present invention.
  • UE1 is a normal user equipment
  • UE2 is a user equipment whose maximum transmission bandwidth is smaller than the downlink transmission bandwidth of the carrier.
  • the maximum supported transmission bandwidth may be equal to the downlink transmission of the carrier.
  • the bandwidth of the user equipment which needs to listen to the EPDCCH on the resources corresponding to all the EPDCCH sets corresponding to the enhanced physical downlink control channel common search space; and for the user equipment whose supported maximum transmission bandwidth is smaller than the downlink transmission bandwidth of the carrier,
  • the EPDCCH is to be monitored on a resource corresponding to a part of the EPDCCH sets in all the EPDCCH sets corresponding to the enhanced physical downlink control channel common search space.
  • the system may use the enhanced physical downlink control channel set that the user equipment needs to monitor the EPDCCH, and the enhanced physical downlink control channel set that the normal user equipment needs to monitor the EPDCCH, because the supported maximum transmission bandwidth is smaller than the downlink transmission bandwidth of the carrier.
  • the common control information corresponding to the user equipment is transmitted in the enhanced physical downlink control channel set in which the user equipment whose maximum transmission bandwidth is smaller than the carrier downlink transmission bandwidth needs to be monitored by the EPDCCH, thereby avoiding the need to transmit the same multiple locations on the carrier.
  • Control information reduces control information overhead and improves spectrum utilization.
  • the control information can be sent in the EPDCCH set with better channel quality, thereby improving the transmission performance of the control information.
  • FIG. 3 is a flowchart of a method for transmitting control information according to an embodiment of the present invention.
  • the executor of the embodiment of the present invention is a base station, as shown in FIG. 3, including:
  • the base station sends configuration information of the enhanced physical downlink control channel EPDCCH set to the user equipment.
  • the EPDCCH set configured by the configuration information is an EPDCCH set corresponding to the EPDCCH common search space, and the configuration information may be configured with one or more EPDCCH sets.
  • the EPDCCH set configured by the configuration information includes multiple, different user equipments may determine, according to their own capabilities, at least one EPDCCH set that needs to listen to the EPDCCH in the configured multiple EPDCCH sets.
  • the configuration information corresponding to each EPDCCH set in the configuration information may include information such as the number of physical resource block pairs corresponding to the EPDCCH set, the physical resource block pair corresponding to the EPDCCH set, and the EPDCCH set identifier.
  • the user equipment may determine information such as the number of physical resource block pairs, the physical resource block, and the EPDCCH set identifier of each EPDCCH set according to the configuration information of the at least two EPDCCH sets.
  • the base station determines, from the EPDCCH set configured by the configuration information, that the user equipment needs to listen to at least one EPDCCH set of the EPDCCH.
  • the base station sends an EPDCCH on the resource corresponding to the at least one EPDCCH set, to notify the user equipment of the control information.
  • the base station when the at least one EPDCCH set is smaller than the EPDCCH set corresponding to the carrier common search space, the base station only carries the common control information on the resource corresponding to the at least one EPDCCH set, thereby avoiding the need to The same control information is sent in multiple places on the carrier, which reduces control information overhead and improves spectrum utilization.
  • the base station when the at least one EPDCCH set is smaller than the EPDCCH set corresponding to the carrier common search space, the base station only carries the common control information on the resource corresponding to the at least one EPDCCH set, thereby avoiding the need to The same control information is sent in multiple places on the carrier, which reduces control information overhead and improves spectrum utilization.
  • the base station sends the configuration information of the EPDCCH set to the user equipment, and the base station sends the configuration information of the at least two EPDCCH sets to the user equipment, where the EPDCCH set configured by the configuration information is At least two EPDCCH sets configured by the configuration information.
  • the configuration information is configuration information for configuring at least two EPDCCH sets; and the EPDCCH set configured by the configuration information is at least two EPDCCH sets.
  • the step 301: “The base station sends configuration information of the at least two EPDCCH sets to the user equipment” includes the following step 3011:
  • the base station sends the first EPDCCH to the user equipment on the first resource, so that the user equipment acquires configuration information of the at least two EPDCCH sets according to the control information of the first EPDCCH bearer.
  • first resource in the embodiment shown in FIG. 3 is the same as the first resource in the embodiment shown in FIG. 1, and details are not described herein again.
  • the step 301: “The base station sends configuration information of the at least two EPDCCH sets to the user equipment” includes the following step 3012:
  • the base station sends a broadcast channel to the user equipment, so that the user equipment acquires configuration information of the at least two EPDCCH sets according to the broadcast message carried by the broadcast channel.
  • the broadcast message includes configuration information of the at least two EPDCCH sets, that is, configuration information of the at least two EPDCCH sets is part of a broadcast message.
  • the base station sends a first EPDCCH to the user equipment on the first resource, so that the user equipment acquires according to the control information of the first EPDCCH bearer.
  • the configuration information of the at least two EPDCCH sets includes:
  • the base station sends a first EPDCCH to the user equipment on the first resource, and sends a physical downlink shared channel (PDSCH) on the resource indicated by the first EPDCCH, where the PDSCH carries configuration information of the at least two EPDCCH sets, so that the user
  • the device decodes the PDSCH according to the first EPDCCH, and acquires configuration information of the at least two EPDCCH sets.
  • the configuration information of the PDSCH bearer may be SIB information.
  • the base station sends a first EPDCCH to the user equipment on the first resource, where the control information of the first EPDCCH carries the configuration information of the at least two EPDCCH sets, so that the user equipment is controlled according to the first EPDCCH. And acquiring configuration information of the at least two EPDCCH sets.
  • the base station sends a first EPDCCH to the user equipment on the first resource, where the user equipment receives the first EPDCCH on the first resource, and obtains downlink control corresponding to the first EPDCCH according to the control information of the first EPDCCH bearer.
  • the information DCI obtains configuration information of the at least two EPDCCH sets according to the configuration information carried in the DCI.
  • the step 3012 “the base station sends a broadcast channel to the user equipment” includes: the base station sending a physical downlink broadcast channel or enhancing to the user equipment. Physical downlink broadcast channel.
  • the step 302 the base station determines, from the at least two EPDCCH sets configured by the configuration information, that the user equipment needs to monitor at least one EPDCCH of the EPDCCH. Collection" includes:
  • the base station sends transmission bandwidth configuration information to the user equipment.
  • the transmission bandwidth configuration information is used to indicate the transmission bandwidth of the user equipment.
  • the base station determines, according to the transmission bandwidth of the user equipment, that the user equipment needs to listen to at least one EPDCCH set of the EPDCCH, from the at least two EPDCCH sets configured by the configuration information.
  • the step 3011 is performed by the base station.
  • Sending transmission bandwidth configuration information to the user equipment includes the following steps 3011a or 3011b:
  • the base station sends a second EPDCCH to the user equipment on the first resource, so that the user equipment acquires transmission bandwidth configuration information according to the control information of the second EPDCCH bearer.
  • the step 1021a may further include: (1) the base station sends a second EPDCCH to the user equipment on the first resource, where the user equipment receives the second EPDCCH on the first resource, where the user equipment is configured according to the The control information carried by the second EPDCCH, the physical downlink shared channel (PDSCH) is decoded, and the configuration information of the PDSCH is obtained, and the configuration information of the PDSCH is obtained according to the configuration information of the PDSCH, where the information of the PDSCH is SIB information, but the SIB information is only received by the user equipment whose supported maximum transmission bandwidth is less than the system bandwidth.
  • PDSCH physical downlink shared channel
  • the base station sends a second EPDCCH to the user equipment on the first resource, where the user equipment receives the second EPDCCH on the first resource, and the user equipment acquires the second EPDCCH according to the control information of the second EPDCCH bearer.
  • the corresponding downlink control information acquires transmission bandwidth configuration information according to the configuration information carried in the downlink control information.
  • the base station sends a third EPDCCH on the resource corresponding to the EPDCCH set that the user equipment needs to monitor the EPDCCH, so that the user equipment acquires the transmission bandwidth configuration information according to the control information carried by the third EPDCCH.
  • This step may be used by the base station to reconfigure the transmission bandwidth of the user equipment.
  • the base station may send the third EPDCCH on the resource corresponding to the EPDCCH set in which the user equipment is currently listening to the EPDCCH, to reconfigure the transmission bandwidth of the user equipment.
  • the DCI corresponding to the third EPDCCH may be the same as the DCI corresponding to the second EPDCCH, and the RNTI scrambling the CRC of the third EPDCCH may be the same as the RNTI scrambled by the CRC of the second EPDCCH.
  • the sending, by the base station, the second EPDCCH to the user equipment on the first resource including: performing, by the base station, the cyclic redundancy of the second EPDCCH by using the first RNTI
  • the CRC is scrambled, and the second EPDCCH is sent to the user equipment on the first resource, where the first RNTI is shared by a group of user equipments, and the transmission bandwidth corresponding to the group of user equipments the same.
  • the base station determines, according to the transmission bandwidth of the user equipment, from at least two EPDCCH sets configured by the configuration information.
  • the user equipment needs to monitor at least one EPDCCH set of the EPDCCH includes the following steps 3023a or 3023b:
  • the base station determines, according to the transmission bandwidth of the user equipment, that the user equipment needs to monitor at least one EPDCCH set of the EPDCCH, and the corresponding one of the at least two EPDCCH sets, from the at least two EPDCCH sets configured by the configuration information.
  • a physical resource block is located in at least one EPDCCH set within a transmission bandwidth of the user equipment;
  • the at least one EPDCCH set of the EPDCCH is determined by the user equipment from the at least two EPDCCH sets configured by the configuration information, according to the transmission bandwidth of the user equipment and the hopping pattern of the transmission bandwidth.
  • the base station can learn the location of the transmission bandwidth supported by the user equipment in the current sub-frame on the downlink transmission bandwidth of the carrier according to the hopping pattern of the transmission bandwidth, so as to further determine the EPDCCH set to be monitored by the EPDCCH from the at least two EPDCCH sets.
  • the method before the sending, by the base station, the first EPDCCH to the user equipment on the first resource, the method further includes:
  • the base station sends a broadcast message to the user equipment, where the broadcast message carries location indication information of the first resource.
  • the transmission bandwidth corresponding to the first resource is less than or equal to the maximum transmission bandwidth supported by the user equipment, and the maximum transmission bandwidth supported by the user equipment is smaller than the downlink transmission bandwidth of the carrier.
  • the sending, by the base station, the configuration information of the EPDCCH set to the user equipment, where the base station sends the resource block allocation information of the EPDCCH set to the user equipment including:
  • the base station sends a broadcast channel, the broadcast message carried by the broadcast channel includes first information indicating resource allocation of the EPDCCH set, and the base station transmits resource block allocation information of the EPDCCH set by transmitting the broadcast channel, where the broadcast channel is a physical broadcast. Channel or enhanced physical broadcast channel.
  • the number of information bits of the first information is corresponding to a preset pair of N physical resource blocks, and the value of the N is the same for carriers having different downlink transmission bandwidths.
  • the base station sends, to the user equipment, configuration information of the enhanced physical downlink control channel EPDCCH set, and the base station sends, to the user equipment, configuration information of the enhanced physical downlink control channel EPDCCH set corresponding to the enhanced physical downlink control channel EPDCCH common search space.
  • the enhanced physical downlink control channel set monitored by the user equipment whose maximum transmission bandwidth is smaller than the downlink transmission bandwidth of the carrier is part of the enhanced physical downlink control channel set monitored by the normal user equipment, so the system can correspond to the two types of user equipment.
  • the common control information is transmitted in the enhanced physical downlink control channel set monitored by the user equipment whose maximum transmission bandwidth is smaller than the downlink transmission bandwidth of the carrier, thereby avoiding the need to transmit the same control information in multiple places on the carrier, thereby reducing Control information overhead and improve spectrum utilization.
  • the problem that the control channel capacity is limited is also avoided, and
  • the normal user equipment can send control information in the EPDCCH set with better channel quality, thereby improving the transmission performance of the control information.
  • the embodiment specifically includes:
  • the base station sends configuration information of the enhanced physical downlink control channel EPDCCH set to the user equipment.
  • the user equipment determines, according to the configuration information, at least one EPDCCH set that needs to be monitored by the EPDCCH, according to the configuration information, when the user equipment acquires the configuration information of the enhanced physical downlink control channel EPDCCH set.
  • the user equipment monitors an EPDCCH on a resource corresponding to the at least one EPDCCH set.
  • the base station sends control information on a resource corresponding to the at least one EPDCCH set.
  • the user equipment acquires, the base station sends, on the resource corresponding to the at least one EPDCCH set. Control information.
  • the embodiment shown in FIG. 4 is only an example of the EPDCCH that is determined by the user equipment to be monitored by the user equipment.
  • the base station may also determine the EPDCCH to be monitored for the user equipment.
  • the embodiment specifically includes:
  • the base station sends configuration information of the enhanced physical downlink control channel EPDCCH set to the user equipment.
  • the base station determines, according to the configuration information, at least one EPDCCH set from the EPDCCH set.
  • the base station notifies the user equipment to listen to the at least one EPDCCH set.
  • the user equipment monitors the at least one EPDCCH set.
  • the base station sends control information on a resource corresponding to the at least one EPDCCH set.
  • FIG. 6 is a flowchart of a user equipment of a method for transmitting control information according to an embodiment of the present invention.
  • the execution body of the embodiment of the present invention is a user equipment. Referring to FIG. 6, the method includes:
  • the user equipment acquires the configuration information of the enhanced physical downlink control channel EPDCCH set.
  • the user equipment acquires the configuration information of the enhanced physical downlink control channel EPDCCH set, where the user equipment obtains the enhanced corresponding to the enhanced physical downlink control channel common search space.
  • the configuration information of the EPDCCH set of the physical downlink control channel, the configuration information of the EPDCCH set may be the resource block allocation information of the EPDCCH set, and the resource block allocation information of the EPDCCH set may include the number of physical resource block pairs corresponding to the EPDCCH set and the The location of the physical resource block pair corresponding to the EPDCCH set in the frequency domain, and the like.
  • the step 601 is implemented by: the user equipment receives the broadcast channel, where the broadcast message carried by the broadcast channel includes the first information indicating the resource allocation of the EPDCCH set; and the user equipment acquires the resource allocation indicating the EPDCCH set in the broadcast message.
  • the first information thereby obtaining resource block allocation information of the EPDCCH set.
  • the number of information bits of the first information is corresponding to a preset pair of N physical resource blocks, and the value of the N is the same for carriers having different downlink transmission bandwidths, N is a positive integer, and the value of the N may be For 6, 15, or 25, etc.
  • the number of information bits of the first information needs to be corresponding to the preset N physical resource block pairs.
  • the user equipment does not know the system bandwidth of the carrier before successfully decoding the broadcast channel, and the first information
  • the number of information bits required to indicate the allocation of the EPDCCH set resource block is related to the bandwidth. Therefore, the number of bits of the first information needs to be fixed for the user equipment, and the user equipment according to the bandwidth corresponding to the number of bits of the first information.
  • Parsing the first information to obtain resource block allocation information of the EPDCCH set 2) indicating that the number of information bits required for the EPDCCH set resource block allocation information is larger when the system bandwidth is large, because the first information is carried on the broadcast channel.
  • the capacity of the broadcast channel is limited, so that the number of information bits that need to be limited to the first information only corresponds to a preset pair of N physical resource blocks.
  • the number of information bits of the first information corresponds to a preset pair of N physical resource blocks, and it can be said that the pair of physical resource blocks corresponding to the EPDCCH set indicated by the first information belongs to the N preset physical resource block pairs, because the EPDCCH
  • the EPDCCH set corresponding to the EPDCCH common search space is set, and thus the physical resource block pair corresponding to the EPDCCH set is preferably discretely distributed in the frequency domain.
  • the N physical resource block pairs may be a predetermined N physical resource block pairs in the downlink transmission bandwidth W of the carrier, for example, may be a physical resource block within the W.
  • the user equipment determines, according to the obtained configuration information, at least one EPDCCH set that needs to be monitored by the EPDCCH from the EPDCCH set configured by the configuration information.
  • the user equipment determines, according to the resource block allocation information of the EPDCCH set, the physical resource block pair corresponding to each EPDCCH set in the EPDCCH set. And determining that each EPDCCH set in the EPDCCH set is an EPDCCH set that the user equipment needs to monitor the EPDCCH, and step 3 is an EPDCCH set that the user equipment needs to monitor the EPDCCH.
  • the corresponding physical resource block pair monitors the EPDCCH and acquires control information sent by the base station.
  • the user equipment monitors according to the determined resource corresponding to the at least one EPDCCH set.
  • EPDCCH acquiring control information sent by the base station.
  • FIG. 7 is a flow chart of a base station side of a method for transmitting control information according to an embodiment of the present invention.
  • the executor of the embodiment of the present invention is a base station, and as shown in FIG. 7, includes:
  • the base station sends configuration information of the enhanced physical downlink control channel EPDCCH set to the user equipment.
  • the base station sends the configuration information of the enhanced physical downlink control channel EPDCCH set, and the base station may send the configuration information of the enhanced physical downlink control channel EPDCCH set corresponding to the common search space of the enhanced physical downlink control channel, where the configuration information of the EPDCCH set may refer to The resource block allocation information of the EPDCCH set, where the resource block allocation information of the EPDCCH set may include the number of physical resource block pairs corresponding to the EPDCCH set and the position of the physical resource block pair corresponding to the EPDCCH set in the frequency domain.
  • this step can be implemented as follows:
  • Manner 1 The base station sends a broadcast channel, where the broadcast message carried by the broadcast channel includes first information indicating resource allocation of the EPDCCH set, and the base station sends resource block allocation information of the EPDCCH set by sending the broadcast channel, where the broadcast channel can be a physical broadcast channel. Or enhanced physical broadcast channel.
  • the number of information bits of the first information is corresponding to a preset pair of N physical resource blocks, and the value of the N is the same for carriers having different downlink transmission bandwidths, N is a positive integer, and the value of the N may be For 6, 15, or 25, etc.
  • the number of information bits of the first information corresponds to a preset pair of N physical resource blocks, and it can be said that the pair of physical resource blocks corresponding to the EPDCCH set indicated by the first information belongs to the N preset physical resource block pairs, because the EPDCCH
  • the set is an EPDCCH set corresponding to the EPDCCH common search space, and thus
  • the physical resource block pairs corresponding to the EPDCCH set are preferably discretely distributed in the frequency domain.
  • the N physical resource block pairs may be a predetermined N physical resource block pairs in the W, for example, the physical resource block pair in the W may start with an index of 0.
  • the base station determines, from the EPDCCH set configured by the sent configuration information, that the user equipment needs to monitor at least one EPDCCH set of the EPDCCH.
  • the base station is configured to use the physical resource block pair corresponding to each EPDCCH set in the EPDCCH set configured according to the configuration information sent in step 701, and determine that each EPDCCH set in the EPDCCH set is an EPDCCH set that the user equipment needs to monitor the EPDCCH, and In this case, in step 3, the base station listens to the EPDCCH on the physical resource block pair corresponding to the EPDCCH set that needs to monitor the EPDCCH, and acquires control information sent by the base station.
  • the base station sends an EPDCCH on the determined resource corresponding to the at least one EPDCCH set, to notify the user equipment of the control information.
  • the base station may send an EPDCCH on the physical resource block pair corresponding to the at least one EPDCCH set determined in step 702 to notify the user equipment of the control information.
  • FIG. 8 is a schematic structural diagram of a user equipment according to an embodiment of the present invention.
  • the user equipment includes: an obtaining module 801, configured to acquire configuration information of an enhanced physical downlink control channel EPDCCH set, and a determining module 802, configured to determine, according to the configuration information, that the user equipment needs to be monitored according to the configuration information.
  • At least one EPDCCH set of the EPDCCH configured to monitor the EPDCCH on the resource corresponding to the at least one EPDCCH set, and acquire the control sent by the base station Information.
  • the acquiring module 801 is configured to acquire configuration information of at least two enhanced physical downlink control channel EPDCCH sets.
  • the determining module is configured to determine, according to the configuration information of the at least two enhanced physical downlink control channel EPDCCHs, from the at least two EPDCCH sets, at least one EPDCCH set that needs to be monitored by the EPDCCH.
  • the acquiring module 801 is configured to receive the first EPDCCH on the first resource, and obtain configuration information of the at least two EPDCCH sets according to the control information of the first EPDCCH bearer; or
  • the acquiring module 801 is configured to receive a broadcast channel, and obtain configuration information of the at least two EPDCCH sets according to the broadcast message carried by the broadcast channel.
  • the acquiring module 801 is configured to receive the first EPDCCH on the first resource, decode the physical downlink shared channel (PDSCH) according to the control information of the first EPDCCH, and obtain configuration information of the PDSCH bearer. Obtaining configuration information of the at least two EPDCCH sets according to the configuration information of the PDSCH bearer;
  • PDSCH physical downlink shared channel
  • the acquiring module 801 is configured to receive the first EPDCCH on the first resource, and obtain the downlink control information DCI corresponding to the first EPDCCH according to the control information of the first EPDCCH, according to the bearer in the DCI.
  • the configuration information of the at least two EPDCCH sets is obtained.
  • the acquiring module 801 is configured to receive a physical downlink broadcast channel or an enhanced physical downlink broadcast channel, and acquire the at least two according to the broadcast message carried by the physical downlink broadcast channel or the enhanced physical downlink broadcast channel.
  • the determining module 802 includes:
  • a bandwidth configuration information acquiring unit configured to acquire transmission bandwidth configuration information
  • a transmission bandwidth obtaining unit configured to acquire a transmission bandwidth of the user equipment according to the transmission bandwidth configuration information
  • a determining unit configured to determine, according to the transmission bandwidth of the user equipment and the configuration information of the at least two enhanced physical downlink control channel EPDCCH sets, from the at least two EPDCCH sets, at least one EPDCCH set that needs to be monitored by the EPDCCH.
  • the bandwidth configuration information acquiring unit is configured to receive the second EPDCCH on the first resource, and obtain the transmission bandwidth configuration information according to the control information of the second EPDCCH bearer;
  • the bandwidth configuration information acquiring unit is configured to listen to the third EPDCCH on the resource corresponding to the EPDCCH set that is currently to be monitored by the EPDCCH, and obtain the transmission bandwidth configuration information according to the control information carried by the third EPDCCH.
  • the second EPDCCH received on the first resource is an EPDCCH that is scrambled by the first RNTI, where the first RNTI is shared by a group of user equipments, and the corresponding user equipment is transmitted.
  • the bandwidth is the same.
  • the determining unit is configured to determine, according to the transmission bandwidth of the user equipment and the configuration information of the at least two EPDCCH sets, the EPDCCH set that needs to be monitored by the EPDCCH from the at least two EPDCCH sets to be a corresponding physical entity.
  • a resource block is located in at least one EPDCCH set within a transmission bandwidth of the user equipment;
  • the determining unit is configured to determine, according to the transmission bandwidth of the user equipment, the hopping pattern of the transmission bandwidth, and the configuration information of the at least two enhanced physical downlink control channel EPDCCH sets, from the at least two EPDCCH sets. At least one EPDCCH set of the EPDCCH needs to be monitored.
  • the determining module 802 is configured to receive a fourth EPDCCH on the first resource, based on the received control information of the fourth EPDCCH bearer and configuration information of the at least two enhanced physical downlink control channel EPDCCH sets. And determining, from the at least two EPDCCH sets, at least one EPDCCH set that needs to be monitored by the EPDCCH.
  • the user equipment further includes: a broadcast channel receiving module, configured to receive a broadcast channel, and obtain a location of the first resource according to a broadcast message carried by the broadcast channel.
  • a broadcast channel receiving module configured to receive a broadcast channel, and obtain a location of the first resource according to a broadcast message carried by the broadcast channel.
  • the first resource is a first physical resource block set on the first subframe
  • the first sub- The frame is the next subframe of the subframe carrying the synchronization signal and/or the discovery signal, the frequency domain starting position of the first physical resource block set and the frequency domain of the physical resource block set carrying the synchronization signal and/or the discovery signal The starting position is the same; or,
  • the first resource is a first physical resource block set in a first subframe, and the first subframe is a next subframe of a subframe that carries a synchronization signal and/or a discovery signal, and the first physical resource block
  • the frequency domain start position of the set has a predetermined offset from the frequency domain start position of the set of physical resource blocks carrying the synchronization signal and/or the discovery signal.
  • the physical resource block corresponding to the first resource is the same as the physical resource block pair corresponding to one of the at least two EPDCCH sets.
  • the transmission bandwidth corresponding to the first resource is less than or equal to the maximum transmission bandwidth supported by the user equipment, and the maximum transmission bandwidth supported by the user equipment is smaller than the downlink transmission bandwidth of the carrier.
  • the listening module 803 is configured to: if the maximum transmission bandwidth that the user equipment can support is equal to the downlink transmission bandwidth of the carrier, the at least one EPDCCH set includes each of the at least two EPDCCH sets. And the sum of the maximum number of blind detections of the EPDCCH that is monitored by the user equipment on the resources corresponding to each EPDCCH set in the at least one EPDCCH set is equal to the number of blind detections corresponding to the EPDCCH common search space;
  • the monitoring module 803 is configured to: if the maximum transmission bandwidth that the user equipment can support is smaller than the downlink transmission bandwidth of the carrier, the number of EPDCCH sets included in the at least one EPDCCH set is smaller than the EPDCCH included in the at least two EPDCCH sets. a number of sets, and the sum of the maximum number of blind detections of the EPDCCH monitored by the user equipment on the resources corresponding to each EPDCCH set in the at least one EPDCCH set is equal to the number of blind detections corresponding to the EPDCCH common search space.
  • the configuration information of the EPDCCH set is resource block allocation information of the EPDCCH set
  • the acquiring module 801 includes:
  • a receiving unit configured to receive a broadcast channel, where the broadcast message carried by the broadcast channel includes first information indicating resource allocation of an EPDCCH set, where the broadcast channel is a physical broadcast channel or enhanced Physical broadcast channel;
  • the first information acquiring unit is configured to obtain first information indicating resource allocation of the EPDCCH set in the broadcast message, thereby obtaining resource block allocation information of the EPDCCH set.
  • the number of information bits of the first information is corresponding to a preset N physical resource block pairs, and the value of the N is the same for carriers having different downlink transmission bandwidths.
  • the determining module 802 is configured to determine, according to the resource block allocation information of the EPDCCH set, a physical resource block pair corresponding to each EPDCCH set in the EPDCCH set, and determine each EPDCCH set in the EPDCCH set. All of the EPDCCH sets that the user equipment needs to monitor the EPDCCH;
  • the monitoring module 803 is configured to listen to the EPDCCH on the physical resource block pair corresponding to the EPDCCH set that needs to be monitored by the EPDCCH, and acquire the control information sent by the base station.
  • the determining module 802 is configured to determine, according to the resource block allocation information of the EPDCCH set and the preset N physical resource blocks, that each EPDCCH set in the EPDCCH set is in N preset physical resource blocks. The corresponding physical resource block pair in the pair.
  • FIG. 9 is a schematic structural diagram of a base station according to an embodiment of the present invention.
  • the base station includes: a sending module 901, configured to send configuration information of an enhanced physical downlink control channel EPDCCH set to a user equipment;
  • the determining module 902 is configured to determine, from the EPDCCH set configured by the configuration information, that the user equipment needs to listen to at least one EPDCCH set of the EPDCCH;
  • the EPDCCH sending module 903 is configured to send an EPDCCH on the resource corresponding to the at least one EPDCCH set, to notify the user equipment of the control information.
  • sending configuration information of the EPDCCH set to the user equipment sending the base station to the user equipment
  • the configuration information of the at least two EPDCCH sets is sent; the EPDCCH set configured by the configuration information is at least two EPDCCH sets configured by the configuration information.
  • the sending module is configured to send the first EPDCCH to the user equipment on the first resource, so that the user equipment acquires configuration information of the at least two EPDCCH sets according to the control information of the first EPDCCH bearer. ; or,
  • the sending module is configured to send a broadcast channel to the user equipment, so that the user equipment acquires configuration information of the at least two EPDCCH sets according to the broadcast message carried by the broadcast channel.
  • the sending module is configured to send a first EPDCCH to the user equipment, send a physical downlink shared channel (PDSCH) on the resource indicated by the first EPDCCH, and the PDSCH carries the at least two EPDCCHs.
  • the configuration information of the set the user equipment is configured to decode the PDSCH according to the first EPDCCH, and acquire configuration information of the at least two EPDCCH sets; or
  • the sending module is configured to send a first EPDCCH to the user equipment on the first resource, where the control information of the first EPDCCH bearer includes configuration information of the at least two EPDCCH sets, so that the user equipment is according to the first
  • the control information carried by the EPDCCH acquires configuration information of the at least two EPDCCH sets.
  • the sending module is configured to send a physical downlink broadcast channel or an enhanced physical downlink broadcast channel to the user equipment.
  • the sending module is configured to send the transmission bandwidth configuration information to the user equipment, where the determining module is configured to use, according to the transmission bandwidth of the user equipment, the at least two EPDCCH sets configured by the configuration information, Determining that the user equipment needs to monitor at least one EPDCCH set of the EPDCCH.
  • the sending module is configured to send the second EPDCCH to the user equipment on the first resource, so that the user equipment acquires the transmission bandwidth configuration information according to the control information of the second EPDCCH bearer;
  • the sending module is configured to: in the EPDCCH set that the user equipment currently needs to monitor the EPDCCH
  • the third EPDCCH is sent on the corresponding resource, so that the user equipment acquires the transmission bandwidth configuration information according to the control information of the third EPDCCH bearer.
  • the sending module is configured to scramble the cyclic redundancy check CRC of the second EPDCCH by using the first RNTI, and send the second EPDCCH to the user equipment on the first resource, where the An RNTI is shared by a group of user equipments, and the corresponding user equipments have the same transmission bandwidth.
  • the determining module is configured to determine, according to the transmission bandwidth of the user equipment, that the user equipment needs to monitor at least one EPDCCH set of the EPDCCH, from the at least two EPDCCH sets configured by the configuration information, Corresponding physical resource blocks of the at least two EPDCCH sets are located in at least one EPDCCH set within a transmission bandwidth of the user equipment; or
  • the determining module is configured to determine, according to the transmission bandwidth of the user equipment and the hopping pattern of the transmission bandwidth, that the user equipment needs to monitor at least one EPDCCH of the EPDCCH from the at least two EPDCCH sets configured by the configuration information. set.
  • the sending module is further configured to send a broadcast message to the user equipment, where the broadcast message carries location indication information of the first resource.
  • the first resource is a first physical resource block set in a first subframe
  • the first subframe is a next subframe of a subframe that carries a synchronization signal and/or a discovery signal
  • the first subframe The frequency domain start position of a physical resource block set is the same as the frequency domain start position of the physical resource block set carrying the synchronization signal and/or the discovery signal; or
  • the first resource is a first physical resource block set in a first subframe, and the first subframe is a next subframe of a subframe that carries a synchronization signal and/or a discovery signal, and the first physical resource block
  • the frequency domain start position of the set has a predetermined offset from the frequency domain start position of the set of physical resource blocks carrying the synchronization signal and/or the discovery signal.
  • the physical resource block corresponding to the first resource is the same as the physical resource block pair corresponding to one of the at least two EPDCCH sets.
  • the transmission bandwidth corresponding to the first resource is less than or equal to a maximum transmission bandwidth supported by the user equipment, and the maximum transmission bandwidth supported by the user equipment is smaller than a downlink transmission band of the carrier. width.
  • the sending module is configured to send a broadcast channel, where the broadcast message carried by the broadcast channel includes first information indicating resource allocation of the EPDCCH set, and the resource block allocation information of the EPDCCH set is sent by sending the broadcast channel, where
  • the broadcast channel is a physical broadcast channel or an enhanced physical broadcast channel.
  • the number of information bits of the first information is corresponding to a preset N physical resource block pairs, and the value of the N is the same for carriers having different downlink transmission bandwidths.
  • the above sending module 901 can be a transmitter or a transceiver.
  • the above EPDCCH transmitting module 903 can be a receiver or a transceiver, and the sending module 901 and the EPDCCH transmitting module 903 can be integrated to form a transceiver unit, which is implemented as a transceiver corresponding to hardware.
  • FIG. 10 is a schematic structural diagram of a user equipment according to an embodiment of the present invention.
  • the system includes: a receiver 1001, a transmitter 1002, a memory 1003, and a processor 1004.
  • the receiver 1001 and the transmitter 1002 are respectively connected to the processor 1004.
  • the memory 1003 stores a program code.
  • the processor 1004 is configured to invoke the program code, and perform the following operations: acquiring configuration information of an enhanced physical downlink control channel EPDCCH set, and determining, according to the configuration information, at least one EPDCCH set that needs to be monitored by the EPDCCH from the EPDCCH set. And monitoring the EPDCCH on the resource corresponding to the at least one EPDCCH set, and acquiring control information sent by the base station.
  • the processor 1004 is further configured to invoke the program code, to perform the following operations: the user equipment acquires configuration information of at least two enhanced physical downlink control channel EPDCCH sets;
  • the determining, by the user equipment, the at least one EPDCCH set that needs to be monitored from the EPDCCH set, according to the configuration information includes:
  • the user equipment determines, according to the configuration information of the at least two enhanced physical downlink control channel EPDCCH sets, from the at least two EPDCCH sets, at least one EPDCCH set that needs to be monitored by the EPDCCH.
  • the processor 1004 is further configured to invoke the program code, to perform the following operations: the user equipment acquires configuration information of at least two enhanced physical downlink control channel EPDCCH sets;
  • the user equipment receives the first EPDCCH on the first resource, and acquires configuration information of the at least two EPDCCH sets according to the control information carried by the first EPDCCH; or
  • the user equipment receives the broadcast channel, and acquires configuration information of the at least two EPDCCH sets according to the broadcast message carried by the broadcast channel.
  • the processor 1004 is further configured to invoke the program code, to perform the following operations: the user equipment acquires configuration information of at least two enhanced physical downlink control channel EPDCCH sets;
  • the user equipment receives the first EPDCCH on the first resource, and performs decoding on the physical downlink shared channel (PDSCH) according to the control information of the first EPDCCH, and acquires configuration information of the PDSCH bearer, according to the PDSCH bearer.
  • Configuring information acquiring configuration information of the at least two EPDCCH sets;
  • the user equipment receives the first EPDCCH on the first resource, and obtains downlink control information DCI corresponding to the first EPDCCH according to the control information of the first EPDCCH, according to the configuration information carried in the DCI. And acquiring configuration information of the at least two EPDCCH sets.
  • the processor 1004 is further configured to invoke the program code, to perform the following operations: the user equipment acquires configuration information of at least two enhanced physical downlink control channel EPDCCH sets;
  • the broadcast message carried by the track acquires configuration information of the at least two EPDCCH sets.
  • the processor 1004 is further configured to invoke the program code, to perform the following operations: the user equipment acquires configuration information of at least two enhanced physical downlink control channel EPDCCH sets;
  • the user equipment acquires transmission bandwidth configuration information
  • the processor 1004 is further configured to invoke the program code, to perform the following operations: the user equipment acquires configuration information of at least two enhanced physical downlink control channel EPDCCH sets;
  • the user equipment receives the second EPDCCH on the first resource, and obtains the transmission bandwidth configuration information according to the control information carried by the second EPDCCH; or
  • the user listens to the third EPDCCH on the resource corresponding to the EPDCCH set that needs to be monitored by the EPDCCH, and obtains the transmission bandwidth configuration information according to the control information carried by the third EPDCCH.
  • the processor 1004 is further configured to invoke the program code, to perform the following operations: the user equipment acquires configuration information of at least two enhanced physical downlink control channel EPDCCH sets;
  • the second EPDCCH received by the user equipment on the first resource is an EPDCCH scrambled by the first RNTI, and the first RNTI is shared by a group of user equipments, and the transmission bandwidth corresponding to the group of user equipments is the same. .
  • the processor 1004 is further configured to invoke the program code, to perform the following operations: the user equipment acquires configuration information of at least two enhanced physical downlink control channel EPDCCH sets;
  • the processor 1004 is further configured to invoke the program code, to perform the following operations: the user equipment acquires configuration information of at least two enhanced physical downlink control channel EPDCCH sets;
  • the user equipment receives the fourth EPDCCH on the first resource, based on the received control information of the fourth EPDCCH and the configuration information of the at least two enhanced physical downlink control channel EPDCCH sets, from the at least two The EPDCCH set determines at least one EPDCCH set that needs to be monitored for the EPDCCH.
  • the processor 1004 is further configured to invoke the program code, to perform the following operations: the user equipment acquires configuration information of at least two enhanced physical downlink control channel EPDCCH sets;
  • the user equipment receives the broadcast channel, and obtains the location of the first resource according to the broadcast message carried by the broadcast channel.
  • the first resource is a first physical resource block set in a first subframe
  • the first subframe is a next subframe of a subframe that carries a synchronization signal and/or a discovery signal
  • the The frequency domain start position of a physical resource block set is the same as the frequency domain start position of the physical resource block set carrying the synchronization signal and/or the discovery signal;
  • the first resource is a first physical resource block set in a first subframe, and the first subframe is a next subframe of a subframe that carries a synchronization signal and/or a discovery signal, and the first physical resource block
  • the frequency domain start position of the set has a predetermined offset from the frequency domain start position of the set of physical resource blocks carrying the synchronization signal and/or the discovery signal.
  • the physical resource block corresponding to the first resource is the same as the physical resource block pair corresponding to one of the at least two EPDCCH sets.
  • the transmission bandwidth corresponding to the first resource is less than or equal to the maximum transmission bandwidth supported by the user equipment, and the maximum transmission bandwidth supported by the user equipment is smaller than the downlink transmission bandwidth of the carrier.
  • the processor 1004 is further configured to invoke the program code, and perform the following operations:
  • the maximum transmission bandwidth that the user equipment can support is equal to the downlink transmission bandwidth of the carrier, and the at least one
  • the EPDCCH set includes each of the at least two EPDCCH sets, and the sum of the maximum number of blind detections of the EPDCCH that the user equipment monitors the EPDCCH on the resource corresponding to each EPDCCH set in the at least one EPDCCH set is equal to the EPDCCH common The number of blind detections corresponding to the search space;
  • the number of EPDCCH sets included in the at least one EPDCCH set is smaller than the number of EPDCCH sets included in the at least two EPDCCH sets, and
  • the sum of the maximum number of blind detections of the EPDCCH monitored by the user equipment on the resources corresponding to each EPDCCH set in the at least one EPDCCH set is equal to the number of blind detections corresponding to the EPDCCH common search space.
  • the processor 1004 is further configured to invoke the program code, to perform the following operations: the user equipment receives a broadcast channel, and the broadcast message carried by the broadcast channel includes first information indicating resource allocation of the EPDCCH set, where The broadcast channel is a physical broadcast channel or an enhanced physical broadcast channel; the user equipment acquires first information indicating a resource allocation of the EPDCCH set in the broadcast message, thereby obtaining resource block allocation information of the EPDCCH set.
  • the number of information bits of the first information is corresponding to a preset N physical resource block pairs, and the value of the N is the same for carriers having different downlink transmission bandwidths.
  • the processor 1004 is further configured to: invoke the program code, and perform the following operations: the user equipment determines, according to the resource block allocation information of the EPDCCH set, a physical entity corresponding to each EPDCCH set in the EPDCCH set. a resource block pair, and determining that each EPDCCH set in the EPDCCH set is an EPDCCH set that the user equipment needs to monitor an EPDCCH;
  • the acquiring, by the user equipment, the EPDCCH on the resource corresponding to the at least one EPDCCH set, and acquiring the control information sent by the base station including:
  • the user equipment listens to the EPDCCH on the physical resource block pair corresponding to the EPDCCH set that needs to monitor the EPDCCH, and acquires control information sent by the base station.
  • the processor 1004 is further configured to invoke the program code, and perform the following operations:
  • the user equipment determines, according to the resource block allocation information of the EPDCCH set and the preset N physical resource blocks, a physical resource block pair corresponding to each of the N preset physical resource block pairs in the EPDCCH set.
  • FIG. 11 is a schematic structural diagram of a base station according to an embodiment of the present invention.
  • the base station includes: a receiver 1101, a transmitter 1102, a memory 1103, and a processor 1104.
  • the receiver 1101 and the transmitter 1102 are respectively connected to the processor 1104.
  • the base station may further include an antenna.
  • the embodiments of the present invention are not limited herein, and the common components such as the baseband processing component, the intermediate RF processing component, and the input and output device.
  • the memory 1103 stores a program code, where the processor 1104 is configured to invoke the program code, and perform the following operations: sending configuration information of an enhanced physical downlink control channel EPDCCH set to a user equipment; configured from the configuration information In the EPDCCH set, determining that the user equipment needs to monitor at least one EPDCCH set of the EPDCCH; and transmitting an EPDCCH on the resource corresponding to the at least one EPDCCH set, to notify the user equipment of the control information.
  • the processor 1104 is configured to invoke the program code, and perform the following operations: sending configuration information of an enhanced physical downlink control channel EPDCCH set to a user equipment; configured from the configuration information In the EPDCCH set, determining that the user equipment needs to monitor at least one EPDCCH set of the EPDCCH; and transmitting an EPDCCH on the resource corresponding to the at least one EPDCCH set, to notify the user equipment of the control information.
  • the base station sends configuration information of the EPDCCH set to the user equipment, where the base station sends configuration information of the at least two EPDCCH sets to the user equipment.
  • the EPDCCH set configured by the configuration information is at least two EPDCCH sets configured for the configuration information.
  • the processor 1104 is further configured to: invoke the program code, and perform the following operations: sending, by using the first EPDCCH, the user equipment, according to the control information of the first EPDCCH, And acquiring the configuration information of the at least two EPDCCH sets, or sending the broadcast channel to the user equipment, so that the user equipment acquires the configuration information of the at least two EPDCCH sets according to the broadcast message carried by the broadcast channel.
  • the processor 1104 is further configured to: invoke the program code, to: send a first EPDCCH to the user equipment on the first resource, and send a physical downlink shared channel on the resource indicated by the first EPDCCH.
  • a PDSCH where the PDSCH carries the configuration information of the at least two EPDCCH sets, so that the user equipment decodes the PDSCH according to the first EPDCCH, and acquires configuration information of the at least two EPDCCH sets; or Sending a first EPDCCH to the user equipment on the first resource, where the control information of the first EPDCCH bearer includes the configuration information of the at least two EPDCCH sets, so that the user equipment is configured according to the control information of the first EPDCCH, Obtaining configuration information of the at least two EPDCCH sets.
  • the processor 1104 is further configured to invoke the program code, and perform the operations of: sending a physical downlink broadcast channel or an enhanced physical downlink broadcast channel to the user equipment.
  • the processor 1104 is further configured to invoke the program code, to: send transmission bandwidth configuration information to the user equipment, and configure at least the configuration information from the configuration information according to the transmission bandwidth of the user equipment.
  • the processor 1104 is further configured to invoke the program code, to: send transmission bandwidth configuration information to the user equipment, and configure at least the configuration information from the configuration information according to the transmission bandwidth of the user equipment.
  • the two EPDCCH sets it is determined that the user equipment needs to monitor at least one EPDCCH set of the EPDCCH.
  • the processor 1104 is further configured to: invoke the program code, and perform the following operations: sending a second EPDCCH to the user equipment on the first resource, so that the user equipment is configured according to the second EPDCCH Control information, obtain transmission bandwidth configuration information; or,
  • the third EPDCCH is sent on the resource corresponding to the EPDCCH set that the user equipment needs to monitor the EPDCCH, so that the user equipment obtains the transmission bandwidth configuration information according to the control information carried by the third EPDCCH.
  • the processor 1104 is further configured to invoke the program code, and perform the following operations: scrambling a cyclic redundancy check CRC of the second EPDCCH by using the first RNTI, and performing the foregoing on the first resource
  • the user equipment sends the second EPDCCH, where the first RNTI is shared by a group of user equipments, and the corresponding user equipments have the same transmission bandwidth.
  • the processor 1104 is further configured to invoke the program code, and perform the following operations: according to a transmission bandwidth of the user equipment, from at least two EPDCCH sets configured by the configuration information, Determining that the user equipment needs to monitor at least one EPDCCH set of the EPDCCH, where the corresponding physical resource block of the at least two EPD C CH sets is located in at least one EPDCCH set within the transmission bandwidth of the user equipment; or
  • the processor 1104 is further configured to invoke the program code, and perform the following operations: sending a broadcast message to the user equipment, where the broadcast message carries location indication information of the first resource.
  • the first resource is a first physical resource block set in a first subframe
  • the first subframe is a next subframe of a subframe that carries a synchronization signal and/or a discovery signal
  • the first subframe The frequency domain start position of a physical resource block set is the same as the frequency domain start position of the physical resource block set carrying the synchronization signal and/or the discovery signal; or
  • the first resource is a first physical resource block set in a first subframe, and the first subframe is a next subframe of a subframe that carries a synchronization signal and/or a discovery signal, and the first physical resource block
  • the frequency domain start position of the set has a predetermined offset from the frequency domain start position of the set of physical resource blocks carrying the synchronization signal and/or the discovery signal.
  • the physical resource block corresponding to the first resource is the same as the physical resource block pair corresponding to one of the at least two EPDCCH sets.
  • the transmission bandwidth corresponding to the first resource is less than or equal to the maximum transmission bandwidth supported by the user equipment, and the maximum transmission bandwidth supported by the user equipment is smaller than the downlink transmission bandwidth of the carrier.
  • the processor 1104 is further configured to invoke the program code, to: send a broadcast channel, where the broadcast message carried by the broadcast channel includes first information indicating resource allocation of the EPDCCH set, by sending the The broadcast channel transmits resource block allocation information of the EPDCCH set, and the broadcast channel is a physical broadcast channel or an enhanced physical broadcast channel.
  • the number of information bits of the first information is corresponding to a preset pair of N physical resource blocks, and the value of the N is the same for carriers having different downlink transmission bandwidths.
  • the configuration information of the enhanced physical downlink control channel EPDCCH set is sent to the user equipment, and the configuration information of the enhanced physical downlink control channel EPDCCH set corresponding to the enhanced physical downlink control channel EPDCCH common search space is sent to the user equipment by the base station.
  • a person skilled in the art may understand that all or part of the steps of implementing the above embodiments may be completed by hardware, or may be instructed by a program to execute related hardware, and the program may be stored in a computer readable storage medium.
  • the storage medium mentioned may be a read only memory, a magnetic disk or an optical disk or the like.

Abstract

本发明公开了一种控制信息的传输方法、用户设备和基站,属于无线技术领域。所述方法包括:用户设备获取增强物理下行控制信道EPDCCH集合的配置信息;所述用户设备根据所述配置信息,从所述EPDCCH集合中确定需要监听EPDCCH的至少一个EPDCCH集合;所述用户设备在所述至少一个EPDCCH集合对应的资源上监听EPDCCH,获取基站发送的控制信息。本发明由于该至少一个EPDCCH集合仅是EPDCCH公共搜索空间对应的EPDCCH集合的一部分,且该部分可以被系统中具有不同能力的用户监听,从而可将所有用户都需要检测的公共控制信息在该部分EPDCCH集合上发送,从而可以避免公共控制信息的重复发送,减少了控制信令的开销,提高了频谱使用率。

Description

控制信息的传输方法、 用户设备和基站 技术领域
本发明涉及无线技术领域, 特别涉及一种控制信息的传输方法、 用户设备 和基站。 背景技术
在 LTE ( Long Term Evolution, 长期演进 ) 系统中, 在版本 R ( Release )
8/9/10/11中, 每个 LTE载波都是后向兼容的, 每个载波都要发送与 R8的 LTE 系统中资源位置和发送方式相同的 PSS ( Primary Synchronization Signal, 主同 步信号) 和 SSS ( Secondary Synchronization Signal, 辅同步信号)、 PBCH ( Physical Broadcast Channel ,物理广播信道 )、 SIB ( System Information Block, 系统信息块), PDCCH ( Physical Downlink Control Channel, 物理下行控制 信道)、 全部频带和全部子帧的 CRS ( Cell-specific Reference Signal, 小区特定 参考信号)等。 其中, 在 LTE R8/9版本中, PDSCH ( Physical Downlink Share Channel, 物理下行共享信道) 的解调仅基于 CRS。 在 LTE R10版本中, 还引 入了 DMRS ( Demodulation Reference Signal, 解调导频), 也用于 PDSCH数据 解调, 且该导 DMRS仅在用于传输 PDSCH的 PRB ( Physical Resource Block, 物理资源块)上发送。 而进一步地, 在 LTE R11版本中, 还引入了 EPDCCH ( Enhance PDCCH, 增强物理下行控制信道), 其与 PDSCH进行频分复用, 同 时也采用 DMRS进行解调。
LTE版本的 R8/9/10/11中,一个载波可支持的最大系统带宽为 20MHz, LTE 终端能够在整个载波接收和发送数据。在 LTE后续版本中,会引入低成本( Low Cost ) MTC UE ( User Equipment, 用户设备 ) ( Machine Type Communication, 机器类型通信), 该类用户设备仅能在较小带宽内 (及窄带)接收和发送数据, 从而降低 MTC终端的下行数据处理能力和数据存储, 节省了成本。
在 LTE版本 R12及以后的版本中, 会引入 NCT ( New Carrier Type, 新载 波类型)。 在该 NCT载波上, 仅在少数子帧上发送单天线 CRS, 且该 CRS不 用于 PDSCH解调。新载波类型载波在 LTE版本 R11之后的版本中将用于为不 同能力的 LTE终端进行服务, 并为多种业务类型如单播、 MBMS ( Multimedia Broadcast Multicast Service, 多媒体广播多播业务)等业务类型进行服务。新载 波类型的设计目标之一是高效频谱利用, 因此, 如何设计 NCT载波上的公共 控制信道的传输机制以获得较高的频谱使用率是一个需要解决的问题。 发明内容
为了减少控制信令的开销, 提高频语使用率, 本发明实施例提供了一种控 制信息的传输方法、 用户设备和基站。 所述技术方案如下:
第一方面, 提供了一种控制信息的传输方法, 包括:
用户设备获取增强物理下行控制信道 EPDCCH集合的配置信息;
所述用户设备根据所述配置信息, 从所述 EPDCCH集合中确定需要监听
EPDCCH的至少一个 EPDCCH集合;
所述用户设备在所述至少一个 EPDCCH集合对应的资源上监听 EPDCCH , 获取基站发送的控制信息。 结合第一方面, 在第一方面的第一种可能实现方式中, 所述用户设备获取 增强物理下行控制信道 EPDCCH集合的配置信息包括:
用户设备获取至少两个增强物理下行控制信道 EPDCCH集合的配置信息; 相应地, 所述用户设备根据所述配置信息, 从所述 EPDCCH集合中确定需 要监听 EPDCCH的至少一个 EPDCCH集合包括:
所述用户设备根据所述至少两个增强物理下行控制信道 EPDCCH集合的 配置信息, 从所述至少两个 EPDCCH集合中确定需要监听 EPDCCH的至少一个 EPDCCH集合。
结合第一方面的第一种可能实现方式,在第一方面的第二种可能实现方式 中, 用户设备获取 EPDCCH集合的配置信息包括:
所述用户设备在第一资源上接收第一 EPDCCH , 根据所述第一 EPDCCH承 载的控制信息, 获取所述至少两个 EPDCCH集合的配置信息; 或,
所述用户设备接收广播信道, 根据所述广播信道承载的广播消息, 获取所 述至少两个 EPDCCH集合的配置信息。 结合第一方面的第二种可能实现方式,在第一方面的第三种可能实现方式 中, 所述用户设备在第一资源上接收第一 EPDCCH, 根据所述第一 EPDCCH承 载的控制信息, 获取所述至少两个 EPDCCH集合的配置信息包括:
所述用户设备在第一资源上接收第一 EPDCCH , 根据所述第一 EPDCCH承 载的控制信息, 对物理下行共享信道 PDSCH进行译码, 获取所述 PDSCH承载 的配置信息, 根据所述 PDSCH承载的配置信息, 获取所述至少两个 EPDCCH集 合的配置信息;
或, 所述用户设备在第一资源上接收第一 EPDCCH , 根据所述第一 EPDCCH承载的控制信息,获取与所述第一 EPDCCH对应的下行控制信息 DCI , 根据所述 DCI中承载的配置信息,获取所述至少两个 EPDCCH集合的配置信息。
结合第一方面的第一种可能实现方式,在第一方面的第四种可能实现方式 中, 所述用户设备接收广播信道, 根据所述广播信道承载的广播消息, 获取所 述至少两个 EPDCCH集合的配置信息包括:
所述用户设备接收物理下行广播信道或增强的物理下行广播信道; 所述用户设备根据所述物理下行广播信道或所述增强的物理下行广播信 道承载的广播消息, 获取所述至少两个 EPDCCH集合的配置信息。
结合第一方面的第一种可能实现方式,在第一方面的第五种可能实现方式 中, 所述用户设备根据所述至少两个增强物理下行控制信道 EPDCCH集合的配 置信息, 从所述至少两个 EPDCCH集合中确定需要监听 EPDCCH的至少一个 EPDCCH集合, 包括:
所述用户设备获取传输带宽配置信息;
根据所述传输带宽配置信息, 获取所述用户设备的传输带宽;
根据所述用户设备的传输带宽和所述至少两个增强物理下行控制信道 EPDCCH集合的配置信息, 从所述至少两个 EPDCCH集合中确定需要监听 EPDCCH的至少一个 EPDCCH集合。
结合第一方面的第五种可能实现方式,在第一方面的第六种可能实现方式 中, 所述用户设备获取传输带宽配置信息包括:
所述用户设备在第一资源上接收第二 EPDCCH, 根据所述第二 EPDCCH承 载的控制信息, 获取传输带宽配置信息; 或,
所述用户在当前需监听 EPDCCH的 EPDCCH集合对应的资源上监听第三 EPDCCH, 根据所述第三 EPDCCH承载的控制信息, 获取传输带宽配置信息。
结合第一方面的第六种可能实现方式,在第一方面的第七种可能实现方式 中, 用户设备在第一资源上接收到的第二 EPDCCH为循环冗余校验 CRC利用第 一 RNTI加扰的 EPDCCH, 所述第一 RNTI由一组用户设备共享, 该组用户设备 对应的传输带宽相同。
结合第一方面的第五种可能实现方式,在第一方面的第八种可能实现方式 中, 根据所述用户设备的传输带宽和所述至少两个增强物理下行控制信道 EPDCCH集合的配置信息, 从所述至少两个 EPDCCH集合中确定需要监听 EPDCCH的至少一个 EPDCCH集合包括:
根据所述用户设备的传输带宽和所述至少两个 EPDCCH集合的配置信息, 从所述至少两个 EPDCCH集合中确定需要监听 EPDCCH的 EPDCCH集合为对 应的物理资源块位于所述用户设备的传输带宽内的至少一个 EPDCCH集合; 或, 根据所述用户设备的传输带宽、所述传输带宽的跳频图样和所述至少两个 增强物理下行控制信道 EPDCCH集合的配置信息, 从所述至少两个 EPDCCH集 合中确定需要监听 EPDCCH的至少一个 EPDCCH集合。
结合第一方面的第一种可能实现方式,在第一方面的第九种可能实现方式 中, 所述用户设备根据所述至少两个增强物理下行控制信道 EPDCCH集合的配 置信息, 从所述至少两个 EPDCCH集合中确定需要监听 EPDCCH的至少一个 EPDCCH集合, 包括:
用户设备在第一资源上接收第四 EPDCCH , 基于所述接收到的第四 EPDCCH^I载的控制信息和所述至少两个增强物理下行控制信道 EPDCCH集 合的配置信息, 从所述至少两个 EPDCCH集合中确定需要监听 EPDCCH的至少 一个 EPDCCH集合。
结合第一方面的任一项可能实现方式,在第一方面的第十种可能实现方式 中, 在所述用户设备在第一资源上接收第一 EPDCCH之前, 所述方法还包括: 用户设备接收广播信道, 根据广播信道承载的广播消息, 获取该第一资源的位 置。 结合第一方面的任一项可能实现方式,在第一方面的第十一种可能实现方 式中, 所述第一资源为第一子帧上的第一物理资源块集合, 所述第一子帧为承 载同步信号和 /或发现信号的子帧的下一子帧,所述第一物理资源块集合的频域 起始位置与承载同步信号和 /或发现信号的物理资源块集合的频域起始位置相 同; 或,
所述第一资源为第一子帧上的第一物理资源块集合, 所述第一子帧为承载 同步信号和 /或发现信号的子帧的下一子帧,所述第一物理资源块集合的频域起 始位置与承载同步信号和 /或发现信号的物理资源块集合的频域起始位置存在 预定的偏移。
结合第一方面的任一项可能实现方式,在第一方面的第十二种可能实现方 式中, 所述第一资源对应的物理资源块对与所述至少两个 EPDCCH集合中一个 EPDCCH集合对应的物理资源块对相同。
结合第一方面的任一项可能实现方式,在第一方面的第十三种可能实现方 式中, 所述第一资源对应的传输带宽小于或等于所述用户设备所支持的最大传 输带宽, 且所述用户设备所支持的最大传输带宽小于载波的下行传输带宽。
结合第一方面的任一项可能实现方式,在第一方面的第十四种可能实现方 式中, 若所述用户设备可支持的最大传输带宽等于载波的下行传输带宽, 则所 述至少一个 EPDCCH集合包括所述至少两个 EPDCCH集合中的每一个 EPDCCH集合, 且所述用户设备在所述至少一个 EPDCCH集中的每一个 EPDCCH集合对应的资源上监听 EPDCCH的最大盲检测次数之和等于 EPDCCH公共搜索空间对应的盲检测次数;
若所述用户设备可支持的最大传输带宽小于载波的下行传输带宽, 则所述 至少一个 EPDCCH集合包括的 EPDCCH集合的个数小于所述至少两个 EPDCCH集合包括的 EPDCCH集合的个数, 且所述用户设备在所述至少一个 EPDCCH集中的每一个 EPDCCH集合对应的资源上监听 EPDCCH的最大盲检 测次数之和等于 EPDCCH公共搜索空间对应的盲检测次数。
结合第一方面的任一项可能实现方式,在第一方面的第十五种可能实现方 式中, 所述 EPDCCH集合的配置信息为 EPDCCH集合的资源块分配信息, 所述 用户设备获取 EPDCCH集合的配置信息, 包括:
用户设备接收广播信道, 所述广播信道承载的广播消息包含指示 EPDCCH 集合的资源分配的第一信息, 所述广播信道为物理广播信道或增强的物理广播 信道;
所述用户设备获取广播消息中指示 EPDCCH集合的资源分配的第一信息, 从而获得 EPDCCH集合的资源块分配信息。
结合第一方面的第十五种可能实现方式, 在第一方面的第十六种可能实现 方式中, 所述第一信息的信息比特数与预设 N个物理资源块对对应, 所述 N的 值对具有不同下行传输带宽的载波均相同。 结合第一方面的任一项可能实现方式,在第一方面的第十七种可能实现方 式中, 所述用户设备根据所述配置信息, 从所述 EPDCCH集合中确定需要监听 EPDCCH的至少一个 EPDCCH集合, 包括:
所述用户设备根据所述 EPDCCH集合的资源块分配信息, 确定所述 EPDCCH集合中每一个 EPDCCH集合对应的物理资源块对, 并确定所述 EPDCCH集合中每一个 EPDCCH集合均为所述用户设备需要监听 EPDCCH的 EPDCCH集合;
且所述所述用户设备在所述至少一个 EPDCCH集合对应的资源上监听 EPDCCH, 获取基站发送的控制信息, 包括:
所述用户设备在需要监听 EPDCCH的 EPDCCH集合对应的物理资源块对 上监听 EPDCCH, 获取基站发送的控制信息。
结合第一方面的任一项可能实现方式,在第一方面的第十八种可能实现方 式中, 所述所述用户设备根据所述 EPDCCH集合的资源块分配信息, 确定所述 EPDCCH集合中每一个 EPDCCH集合对应的物理资源块对, 包括:
所述用户设备根据所述 EPDCCH集合的资源块分配信息和预设的 N个物理 资源块, 确定所述 EPDCCH集合中每一个 EPDCCH集合在 N个预设的物理资源 块对内对应的物理资源块对。
结合第一方面的任一项可能实现方式,在第一方面的第十九种可能实现方 式中, 所述用户设备获取增强物理下行控制信道 EPDCCH集合的配置信息, 为 用户设备获取增强物理下行控制信道 EPDCCH公共搜索空间对应的增强物理 下行控制信道 EPDCCH集合的配置信息。 第二方面, 提供了一种控制信息的传输方法, 包括:
基站向用户设备发送增强物理下行控制信道 EPDCCH集合的配置信息; 所述基站从所述配置信息配置的 EPDCCH集合中, 确定所述用户设备需监 听 EPDCCH的至少一个 EPDCCH集合;
所述基站在所述至少一个 EPDCCH集合对应的资源上发送 EPDCCH, 以将 控制信息通知给所述用户设备。
结合第二方面, 在第二方面的第一种可能实现方式中, 所述基站向用户设 备发送 EPDCCH集合的配置信息, 为基站向用户设备发送至少两个 EPDCCH集 合的配置信息;
所述配置信息配置的 EPDCCH集合, 为配置信息配置的至少两个 EPDCCH 集合。
结合第二方面的第一种可能实现方式,在第二方面的第二种可能实现方式 中, 所述基站向用户设备发送至少两个 EPDCCH集合的配置信息, 包括:
基站在第一资源上向用户设备发送第一 EPDCCH, 使得所述用户设备根据 所述第一 EPDCCH承载的控制信息, 获取所述至少两个 EPDCCH集合的配置信 息; 或,
基站向用户设备发送广播信道,使得所述用户设备根据所述广播信道承载 的广播消息, 获取所述至少两个 EPDCCH集合的配置信息。
结合第二方面的第二种可能实现方式,在第二方面的第三种可能实现方式 中, 所述基站在第一资源上向用户设备发送第一 EPDCCH, 使得所述用户设备 根据所述第一 EPDCCH承载的控制信息, 获取所述至少两个 EPDCCH集合的配 置信息, 进一步为:
基站在第一资源上向用户设备发送第一 EPDCCH , 在所述第一 EPDCCH指 示的资源上发送物理下行共享信道 PDSCH , 所述 PDSCH承载所述至少两个 EPDCCH集合的配置信息, 使得所述用户设备根据所述第一 EPDCCH对所述 PDSCH进行译码, 获取所述至少两个 EPDCCH集合的配置信息; 或,
基站在第一资源上向用户设备发送第一 EPDCCH, 所述第一 EPDCCH承载 的控制信息包含所述至少两个 EPDCCH集合的配置信息, 使得所述用户设备根 据所述第一 EPDCCH承载的控制信息, 获取所述至少两个 EPDCCH集合的配置 信息。 结合第二方面的第二种可能实现方式,在第二方面的第四种可能实现方式 中, 所述基站向所述用户设备发送广播信道包括:
所述基站向所述用户设备发送物理下行广播信道或增强的物理下行广播 信道。 结合第二方面的第一种可能实现方式,在第二方面的第五种可能实现方式 中, 所述基站从所述配置信息配置的至少两个 EPDCCH集合中, 确定所述用户 设备需监听 EPDCCH的至少一个 EPDCCH集合, 包括:
基站向所述用户设备发送传输带宽配置信息;
所述基站根据所述用户设备的传输带宽,从所述配置信息配置的至少两个 EPDCCH集合中, 确定所述用户设备需监听 EPDCCH的至少一个 EPDCCH集 合。 结合第二方面的第五种可能实现方式,在第二方面的第六种可能实现方式 中, 所述基站向所述用户设备发送传输带宽配置信息包括:
基站在第一资源上向所述用户设备发送第二 EPDCCH, 使得所述用户设备 根据所述第二 EPDCCH承载的控制信息, 获取传输带宽配置信息; 或,
基站在所述用户设备当前需监听 EPDCCH的 EPDCCH集合对应的资源上 发送第三 EPDCCH, 使得所述用户设备根据所述第三 EPDCCH承载的控制信 息, 获取传输带宽配置信息。 结合第二方面的第五种可能实现方式,在第二方面的第七种可能实现方式 中, 所述基站在第一资源上向所述用户设备发送第二 EPDCCH, 包括: 基站利 用第一 RNTI对第二 EPDCCH的循环冗余校验 CRC进行加扰,并在第一资源上向 所述用户设备发送所述第二 EPDCCH,所述第一 RNTI由一组用户设备共享,该 组用户设备对应的传输带宽相同。 结合第二方面的第五种可能实现方式,在第二方面的第八种可能实现方式 中, 所述基站根据所述用户设备的传输带宽, 从所述配置信息配置的至少两个 EPDCCH集合中, 确定所述用户设备需监听 EPDCCH的至少一个 EPDCCH集 合, 包括:
基站根据所述用户设备的传输带宽, 从所述配置信息配置的至少两个 EPDCCH集合中, 确定所述用户设备需监听 EPDCCH的至少一个 EPDCCH集 合, 为所述至少两个 EPDCCH集合中对应的物理资源块位于所述用户设备的传 输带宽内的至少一个 EPDCCH集合; 或,
根据所述用户设备的传输带宽和所述传输带宽的跳频图样,从所述配置信 息配置的至少两个 EPDCCH集合中, 确定所述用户设备需监听 EPDCCH的至少 一个 EPDCCH集合。 结合第二方面的任一种可能实现方式,在第二方面的第九种可能实现方式 中, 所述基站向所述用户设备发送广播消息, 所述广播消息携带所述第一资源 的位置指示信息。 结合第二方面的任一种可能实现方式,在第二方面的第十种可能实现方式 中, 所述第一资源为第一子帧上的第一物理资源块集合, 所述第一子帧为承载 同步信号和 /或发现信号的子帧的下一子帧,所述第一物理资源块集合的频域起 始位置与承载同步信号和 /或发现信号的物理资源块集合的频域起始位置相同; 或,
所述第一资源为第一子帧上的第一物理资源块集合, 所述第一子帧为承载 同步信号和 /或发现信号的子帧的下一子帧,所述第一物理资源块集合的频域起 始位置与承载同步信号和 /或发现信号的物理资源块集合的频域起始位置存在 预定的偏移。 结合第二方面的任一种可能实现方式,在第二方面的第十一种可能实现方 式中, 所述第一资源对应的物理资源块对与所述至少两个 EPDCCH集合中一个 EPDCCH集合对应的物理资源块对相同。 结合第二方面的任一种可能实现方式,在第二方面的第十二种可能实现方 式中, 所述第一资源对应的传输带宽小于或等于所述用户设备所支持的最大传 输带宽, 且所述用户设备所支持的最大传输带宽小于载波的下行传输带宽。 结合第二方面的任一种可能实现方式,在第二方面的第十三种可能实现方 式中, 所述基站向用户设备发送 EPDCCH集合的配置信息为基站向用户设备发 送 EPDCCH集合的资源块分配信息, 包括:
基站发送广播信道, 所述广播信道承载的广播消息包含指示 EPDCCH集合 的资源分配的第一信息, 所述基站通过发送所述广播信道发送 EPDCCH集合的 资源块分配信息, 所述广播信道为物理广播信道或增强的物理广播信道。 结合第二方面的第十三种可能实现方式, 在第二方面的第十四种可能实现 方式中, 所述第一信息的信息比特数与预设 N个物理资源块对对应, 所述 N的 值对具有不同下行传输带宽的载波均相同。 结合第二方面的任一种可能实现方式,在第二方面的第十五种可能实现方 式中, 所述基站向用户设备发送增强物理下行控制信道 EPDCCH集合的配置信 息, 为基站向用户设备发送增强物理下行控制信道 EPDCCH公共搜索空间对应 的增强物理下行控制信道 EPDCCH集合的配置信息。 第三方面, 一种用户设备, 包括:
获取模块, 用于获取增强物理下行控制信道 EPDCCH集合的配置信息; 确定模块, 用于根据所述配置信息, 从所述 EPDCCH集合中确定用户设备 需要监听 EPDCCH的至少一个 EPDCCH集合;
监听模块, 用于在所述至少一个 EPDCCH集合对应的资源上监听
EPDCCH, 获取基站发送的控制信息。 结合第三方面, 在第三方面的第一种可能实现方式中, 所述获取模块用于 获取至少两个增强物理下行控制信道 EPDCCH集合的配置信息;
所述确定模块用于根据所述至少两个增强物理下行控制信道 EPDCCH集 合的配置信息, 从所述至少两个 EPDCCH集合中确定需要监听 EPDCCH的至少 一个 EPDCCH集合。 结合第三方面的第一种可能实现方式,在第三方面的第二种可能实现方式 中, 所述获取模块用于在第一资源上接收第一 EPDCCH , 根据所述第一 EPDCCH承载的控制信息, 获取所述至少两个 EPDCCH集合的配置信息; 或, 所述获取模块用于接收广播信道, 根据所述广播信道承载的广播消息, 获 取所述至少两个 EPDCCH集合的配置信息。 结合第三方面的第二种可能实现方式,在第三方面的第三种可能实现方式 中, 所述获取模块用于在第一资源上接收第一 EPDCCH , 根据所述第一 EPDCCH承载的控制信息, 对物理下行共享信道 PDSCH进行译码, 获取所述 PDSCH承载的配置信息, 根据所述 PDSCH承载的配置信息, 获取所述至少两 个 EPDCCH集合的配置信息;
或, 所述获取模块用于在第一资源上接收第一 EPDCCH, 根据所述第一 EPDCCH承载的控制信息,获取与所述第一 EPDCCH对应的下行控制信息 DCI , 根据所述 DCI中承载的配置信息,获取所述至少两个 EPDCCH集合的配置信息。 结合第三方面的第一种可能实现方式,在第三方面的第四种可能实现方式 中所述获取模块用于接收物理下行广播信道或增强的物理下行广播信道; 根据 所述物理下行广播信道或所述增强的物理下行广播信道承载的广播消息, 获取 所述至少两个 EPDCCH集合的配置信息。 结合第三方面的第一种可能实现方式,在第三方面的第五种可能实现方式 中, 所述确定模块包括:
带宽配置信息获取单元, 用于获取传输带宽配置信息;
传输带宽获取单元, 用于根据所述传输带宽配置信息, 获取用户设备的传 输带宽;
确定单元, 用于根据所述用户设备的传输带宽和所述至少两个增强物理下 行控制信道 EPDCCH集合的配置信息, 从所述至少两个 EPDCCH集合中确定需 要监听 EPDCCH的至少一个 EPDCCH集合。 结合第三方面的第五种可能实现方式,在第三方面的第六种可能实现方式 中, 所述带宽配置信息获取单元用于在第一资源上接收第二 EPDCCH, 根据所 述第二 EPDCCH承载的控制信息, 获取传输带宽配置信息; 或,
所述带宽配置信息获取单元用于在当前需监听 EPDCCH的 EPDCCH集合 对应的资源上监听第三 EPDCCH, 根据所述第三 EPDCCH承载的控制信息, 获 取传输带宽配置信息。 结合第三方面的第六种可能实现方式,在第三方面的第七种可能实现方式 中, 在第一资源上接收到的第二 EPDCCH为循环冗余校验 CRC利用第一 RNTI 加扰的 EPDCCH ,所述第一 RNTI由一组用户设备共享,该组用户设备对应的传 输带宽相同。 结合第三方面的第五种可能实现方式,在第三方面的第八种可能实现方式 中, 所述确定单元用于根据所述用户设备的传输带宽和所述至少两个 EPDCCH 集合的配置信息, 从所述至少两个 EPDCCH集合中确定需要监听 EPDCCH的 EPDCCH集合为对应的物理资源块位于所述用户设备的传输带宽内的至少一 个 EPDCCH集合; 或,
所述确定单元用于根据所述用户设备的传输带宽、所述传输带宽的跳频图 样和所述至少两个增强物理下行控制信道 EPDCCH集合的配置信息, 从所述至 少两个 EPDCCH集合中确定需要监听 EPDCCH的至少一个 EPDCCH集合。
结合第三方面的第一种可能实现方式,在第三方面的第九种可能实现方式 中, 所述确定模块用于在第一资源上接收第四 EPDCCH, 基于所述接收到的第 四 EPDCCH承载的控制信息和所述至少两个增强物理下行控制信道 EPDCCH 集合的配置信息, 从所述至少两个 EPDCCH集合中确定需要监听 EPDCCH的至 少一个 EPDCCH集合。
结合第三方面的任一项可能实现方式,在第三方面的第十种可能实现方式 中, 所述用户设备还包括: 广播信道接收模块, 用于接收广播信道, 根据广播 信道承载的广播消息, 获取该第一资源的位置。
结合第三方面的任一项可能实现方式,在第三方面的第十一种可能实现方 式中, 所述第一资源为第一子帧上的第一物理资源块集合, 所述第一子帧为承 载同步信号和 /或发现信号的子帧的下一子帧,所述第一物理资源块集合的频域 起始位置与承载同步信号和 /或发现信号的物理资源块集合的频域起始位置相 同; 或,
所述第一资源为第一子帧上的第一物理资源块集合, 所述第一子帧为承载 同步信号和 /或发现信号的子帧的下一子帧,所述第一物理资源块集合的频域起 始位置与承载同步信号和 /或发现信号的物理资源块集合的频域起始位置存在 预定的偏移。
结合第三方面的任一项可能实现方式,在第三方面的第十二种可能实现方 式中, 所述第一资源对应的物理资源块对与所述至少两个 EPDCCH集合中一个 EPDCCH集合对应的物理资源块对相同。 结合第三方面的任一项可能实现方式,在第三方面的第十三种可能实现方 式中, 所述第一资源对应的传输带宽小于或等于所述用户设备所支持的最大传 输带宽, 且所述用户设备所支持的最大传输带宽小于载波的下行传输带宽。 结合第三方面的任一项可能实现方式,在第三方面的第十四种可能实现方 式中, 所述监听模块用于若所述用户设备可支持的最大传输带宽等于载波的下 行传输带宽, 则所述至少一个 EPDCCH集合包括所述至少两个 EPDCCH集合中 的每一个 EPDCCH集合, 且所述用户设备在所述至少一个 EPDCCH集中的每一 个 EPDCCH集合对应的资源上监听 EPDCCH的最大盲检测次数之和等于 EPDCCH公共搜索空间对应的盲检测次数;
所述监听模块用于若所述用户设备可支持的最大传输带宽小于载波的下 行传输带宽, 则所述至少一个 EPDCCH集合包括的 EPDCCH集合的个数小于所 述至少两个 EPDCCH集合包括的 EPDCCH集合的个数, 且所述用户设备在所述 至少一个 EPDCCH集中的每一个 EPDCCH集合对应的资源上监听 EPDCCH的 最大盲检测次数之和等于 EPDCCH公共搜索空间对应的盲检测次数。
结合第三方面的任一项可能实现方式,在第三方面的第十五种可能实现方 式中, 所述 EPDCCH集合的配置信息为 EPDCCH集合的资源块分配信息, 所述 获取模块包括:
接收单元, 用于接收广播信道, 所述广播信道承载的广播消息包含指示 EPDCCH集合的资源分配的第一信息, 所述广播信道为物理广播信道或增强的 物理广播信道;
第一信息获取单元, 能够与获取广播消息中指示 EPDCCH集合的资源分配 的第一信息, 从而获得 EPDCCH集合的资源块分配信息。 结合第三方面的第十五种可能实现方式, 在第三方面的第十六种可能实现 方式中, 所述第一信息的信息比特数与预设 N个物理资源块对对应, 所述 N的 值对具有不同下行传输带宽的载波均相同。
结合第三方面的任一项可能实现方式,在第三方面的第十七种可能实现方 式中, 所述确定模块用于根据所述 EPDCCH集合的资源块分配信息, 确定所述 EPDCCH集合中每一个 EPDCCH集合对应的物理资源块对, 并确定所述 EPDCCH集合中每一个 EPDCCH集合均为所述用户设备需要监听 EPDCCH的 EPDCCH集合;
相应的, 所述监听模块用于在需要监听 EPDCCH的 EPDCCH集合对应的物 理资源块对上监听 EPDCCH , 获取基站发送的控制信息。
结合第三方面的任一项可能实现方式,在第三方面的第十八种可能实现方 式中, 所述确定模块用于根据所述 EPDCCH集合的资源块分配信息和预设的 N 个物理资源块, 确定所述 EPDCCH集合中每一个 EPDCCH集合在 N个预设的物 理资源块对内对应的物理资源块对。
结合第三方面的任一项可能实现方式,在第三方面的第十九种可能实现方 式中, 所述用户设备获取增强物理下行控制信道 EPDCCH集合的配置信息, 为 用户设备获取增强物理下行控制信道 EPDCCH公共搜索空间对应的增强物理 下行控制信道 EPDCCH集合的配置信息。 第四方面, 一种基站, 包括:
发送模块, 用于向用户设备发送增强物理下行控制信道 EPDCCH集合的配 置信息;
确定模块, 用于从所述配置信息配置的 EPDCCH集合中, 确定所述用户设 备需监听 EPDCCH的至少一个 EPDCCH集合;
EPDCCH发送模块, 用于在所述至少一个 EPDCCH集合对应的资源上发送 EPDCCH, 以将控制信息通知给所述用户设备。 结合第四方面, 在第四方面的第一种可能实现方式中, 向用户设备发送
EPDCCH集合的配置信息, 为基站向用户设备发送至少两个 EPDCCH集合的配 置信息; 所述配置信息配置的 EPDCCH集合, 为配置信息配置的至少两个 EPDCCH集合。 结合第四方面的第一种可能实现方式,在第四方面的第二种可能实现方式 中, 所述发送模块用于在第一资源上向用户设备发送第一 EPDCCH, 使得所述 用户设备根据所述第一 EPDCCH承载的控制信息, 获取所述至少两个 EPDCCH 集合的配置信息; 或,
所述发送模块用于向用户设备发送广播信道,使得所述用户设备根据所述 广播信道承载的广播消息, 获取所述至少两个 EPDCCH集合的配置信息。 结合第四方面的第二种可能实现方式,在第四方面的第三种可能实现方式 中, 所述发送模块用于在第一资源上向用户设备发送第一 EPDCCH, 在所述第 一 EPDCCH指示的资源上发送物理下行共享信道 PDSCH , 所述 PDSCH承载所 述至少两个 EPD C CH集合的配置信息, 使得所述用户设备根据所述第一 EPDCCH对所述 PDSCH进行译码, 获取所述至少两个 EPDCCH集合的配置信 息; 或,
所述发送模块用于在第一资源上向用户设备发送第一 EPDCCH, 所述第一 EPDCCH承载的控制信息包含所述至少两个 EPDCCH集合的配置信息, 使得所 述用户设备根据所述第一 EPDCCH承载的控制信息, 获取所述至少两个 EPDCCH集合的配置信息。
结合第四方面的第二种可能实现方式,在第四方面的第四种可能实现方式 中, 所述发送模块用于向所述用户设备发送物理下行广播信道或增强的物理下 行广播信道。 结合第四方面的第一种可能实现方式,在第四方面的第五种可能实现方式 中, 所述发送模块用于向所述用户设备发送传输带宽配置信息;
所述确定模块用于根据所述用户设备的传输带宽,从所述配置信息配置的 至少两个 EPDCCH集合中, 确定所述用户设备需监听 EPDCCH的至少一个 EPDCCH集合。 结合第四方面的第五种可能实现方式,在第四方面的第六种可能实现方式 中, 所述发送模块用于在第一资源上向所述用户设备发送第二 EPDCCH, 使得 所述用户设备根据所述第二 EPDCCH承载的控制信息, 获取传输带宽配置信 息; 或,
所述发送模块用于在所述用户设备当前需监听 EPDCCH的 EPDCCH集合 对应的资源上发送第三 EPDCCH, 使得所述用户设备根据所述第三 EPDCCH承 载的控制信息, 获取传输带宽配置信息。
结合第四方面的第五种可能实现方式,在第四方面的第七种可能实现方式 中,所述发送模块用于利用第一 RNTI对第二 EPDCCH的循环冗余校验 CRC进行 加扰,并在第一资源上向所述用户设备发送所述第二 EPDCCH,所述第一 RNTI 由一组用户设备共享, 该组用户设备对应的传输带宽相同。
结合第四方面的第五种可能实现方式,在第四方面的第八种可能实现方式 中, 所述确定模块用于根据所述用户设备的传输带宽, 从所述配置信息配置的 至少两个 EPDCCH集合中, 确定所述用户设备需监听 EPDCCH的至少一个 EPDCCH集合, 为所述至少两个 EPDCCH集合中对应的物理资源块位于所述用 户设备的传输带宽内的至少一个 EPDCCH集合; 或,
所述确定模块用于根据所述用户设备的传输带宽和所述传输带宽的跳频 图样, 从所述配置信息配置的至少两个 EPDCCH集合中, 确定所述用户设备需 监听 EPDCCH的至少一个 EPDCCH集合。
结合第四方面的任一种可能实现方式,在第四方面的第九种可能实现方式 中, 所述发送模块, 还用于向所述用户设备发送广播消息, 所述广播消息携带 所述第一资源的位置指示信息。
结合第四方面的任一种可能实现方式,在第四方面的第十种可能实现方式 中, 所述第一资源为第一子帧上的第一物理资源块集合, 所述第一子帧为承载 同步信号和 /或发现信号的子帧的下一子帧,所述第一物理资源块集合的频域起 始位置与承载同步信号和 /或发现信号的物理资源块集合的频域起始位置相同; 或,
所述第一资源为第一子帧上的第一物理资源块集合, 所述第一子帧为承载 同步信号和 /或发现信号的子帧的下一子帧,所述第一物理资源块集合的频域起 始位置与承载同步信号和 /或发现信号的物理资源块集合的频域起始位置存在 预定的偏移。
结合第四方面的任一种可能实现方式,在第四方面的第十一种可能实现方 式中, 所述第一资源对应的物理资源块对与所述至少两个 EPDCCH集合中一个 EPDCCH集合对应的物理资源块对相同。
结合第四方面的任一种可能实现方式,在第四方面的第十二种可能实现方 式中, 所述第一资源对应的传输带宽小于或等于所述用户设备所支持的最大传 输带宽, 且所述用户设备所支持的最大传输带宽小于载波的下行传输带宽。
结合第四方面的任一种可能实现方式,在第四方面的第十三种可能实现方 式中, 所述发送模块用于发送广播信道, 所述广播信道承载的广播消息包含指 示 EPDCCH集合的资源分配的第一信息, 通过发送所述广播信道发送 EPDCCH 集合的资源块分配信息, 所述广播信道为物理广播信道或增强的物理广播信 道。
结合第四方面的第十三种可能实现方式, 在第四方面的第十四种可能实现 方式中, 所述第一信息的信息比特数与预设 N个物理资源块对对应, 所述 N的 值对具有不同下行传输带宽的载波均相同。
结合第四方面的任一种可能实现方式,在第四方面的第十五种可能实现方 式中, 所述向用户设备发送增强物理下行控制信道 EPDCCH集合的配置信息, 为基站向用户设备发送增强物理下行控制信道 EPDCCH公共搜索空间对应的 增强物理下行控制信道 EPDCCH集合的配置信息。 本发明实施例提供的技术方案带来的有益效果是:
通过用户设备获取增强物理下行控制信道 EPDCCH集合的配置信息; 所述 用户设备根据所述配置信息, 从所述 EPDCCH集合中确定需要监听 EPDCCH的 至少一个 EPDCCH集合; 所述用户设备在所述至少一个 EPDCCH集合对应的资 源上监听 EPDCCH, 获取基站发送的控制信息。 由于该至少一个 EPDCCH集合 仅是 EPDCCH公共搜索空间对应的 EPDCCH集合的一部分, 而通过有选择性的 对该部分 EPDCCH进行监听以获取控制信息, 可以避免公共控制信息的重复发 送, 减少了控制信令的开销, 提高了频谱使用率。 附图说明
为了更清楚地说明本发明实施例中的技术方案, 下面将对实施例描述中所 需要使用的附图作筒单地介绍, 显而易见地, 下面描述中的附图仅仅是本发明 的一些实施例,对于本领域普通技术人员来讲,在不付出创造性劳动的前提下, 还可以根据这些附图获得其他的附图。
图 1是本发明实施例提供的一种控制信息的传输方法的流程图;
图 2为本发明实施例的一个 EPDCCH集合示意图;
图 3是本发明实施例提供的一种控制信息的传输方法的流程图;
图 4是本发明实施例提供的一种控制信息的传输方法的流程图;
图 5是本发明实施例提供的一种控制信息的传输方法的流程图;
图 6是本发明实施例提供的一种控制信息的传输方法的用户设备流程图; 图 7是本发明实施例提供的一种控制信息的传输方法的基站侧流程图; 图 8是本发明实施例提供的一种用户设备的结构示意图; 图 9是本发明实施例提供的一种基站的结构示意图;
图 10是本发明实施例提供的一种用户设备的结构示意图;
图 11是本发明实施例提供的一种基站的结构示意图。 具体实施方式
为使本发明的目的、 技术方案和优点更加清楚, 下面将结合附图对本发明 实施方式作进一步地详细描述。
图 1是本发明实施例提供的一种控制信息的传输方法的流程图。 参见图 1 , 该发明实施例具体包括:
101、 用户设备获取增强物理下行控制信道 EPDCCH集合的配置信息; 在该步骤 101中, 该配置信息中配置的 EPDCCH集合为 EPDCCH公共搜索 空间对应的 EPDCCH集合, 该配置信息可以配置一个或多个 EPDCCH集合。 当 该配置信息配置的 EPDCCH集合包括多个时, 不同用户设备可根据自己的能力 在配置的多个 EPDCCH集合中确定需要监听 EPDCCH的至少一个 EPDCCH集 合。
其中, 该配置信息中每个 EPDCCH集合对应的配置信息可以包括该 EPDCCH集合对应的物理资源块对的个数、 该 EPDCCH集合对应的物理资源块 对及该 EPDCCH集合标识等信息。 用户设备根据该配置信息可以确定每个 EPDCCH集合的物理资源块对个数、 物理资源块及 EPDCCH集合标识等信息。
102、 所述用户设备根据所述配置信息, 从所述 EPDCCH集合中确定需要 监听 EPDCCH的至少一个 EPDCCH集合;
103、 所述用户设备在所述至少一个 EPDCCH集合对应的资源上监听 EPDCCH, 获取基站发送的控制信息。
其中, 所述至少一个 EPDCCH集合对应的资源可以为至少一个 EPDCCH 集合对应的物理资源块对。
该监听可以是基于用户设备所支持的最大传输带宽和载波的下行传输带 宽的关系进行,根据用户设备所支持的最大传输带宽和载波的下行传输带宽的 关系确定该至少一个 EPDCCH集合中每个 EPDCCH集合对应的盲检测次数, 并 根据确定的盲检测次数在该至少一个 EPDCCH集合中每个 EPDCCH集合对应 的资源上监听 EPDCCH。
本发明实施例提供的方法, 由于该至少一个 EPDCCH集合仅是 EPDCCH公 共搜索空间对应的 EPDCCH集合的一部分, 且该部分可以被系统中具有不同能 力的用户监听, 从而可将所有用户都需要检测的公共控制信息在该部分 EPDCCH集合上发送, 从而可以避免公共控制信息的重复发送, 减少了控制信 令的开销, 提高了频语使用率。 可选地, 在图 1所示实施例的基础上, 该步骤 101 "所述用户设备获取增强 物理下行控制信道 EPDCCH集合的配置信息" 包括: 用户设备获取至少两个增 强物理下行控制信道 EPDCCH集合的配置信息;
相应地, 该步骤 102 "所述用户设备根据所述配置信息, 从所述 EPDCCH 集合中确定需要监听 EPDCCH的至少一个 EPDCCH集合" 包括: 所述用户设备 根据所述至少两个增强物理下行控制信道 EPDCCH集合的配置信息, 从所述至 少两个 EPDCCH集合中确定需要监听 EPDCCH的至少一个 EPDCCH集合。 可选地, 在图 1所示实施例的基础上, 该步骤 101 "用户设备获取 EPDCCH 集合的配置信息" 包括以下步骤 1011:
1011、 该用户设备在第一资源上接收第一 EPDCCH, 根据该第一 EPDCCH 承载的控制信息, 获取该至少两个 EPDCCH集合的配置信息;
第一 EPDCCH承载的控制信息可以包括 SIB信息等, 而对于基站不同的配 置, 该第一 EPDCCH可以在不同的域承载不同的信息。 可选地, 在图 1所示实施例的基础上, 该步骤 101 "用户设备获取 EPDCCH 集合的配置信息" 包括以下步骤 1012:
1012、 该用户设备接收广播信道, 根据该广播信道承载的广播消息, 获取 该至少两个 EPDCCH集合的配置信息。
其中, 该广播消息包括该至少两个 EPDCCH集合的配置信息, 也即是该至 少两个 EPDCCH集合的配置信息为广播消息的一部分。 进一步可选地,在图 1所示实施例的技术方案的基础上,上述步骤 1011 "该 用户设备在第一资源上接收第一 EPDCCH , 根据该第一 EPDCCH承载的控制信 息, 获取该至少两个 EPDCCH集合的配置信息" 包括以下步骤 1011a:
1011a, 该用户设备根据该第一 EPDCCH承载的控制信息, 对物理下行共 享信道 PDSCH进行译码, 获取该 PDSCH承载的配置信息, 根据该 PDSCH承载 的配置信息, 获取该至少两个 EPDCCH集合的配置信息;
优选地, 该步骤 1011a中, 该 PDSCH^载的配置信息可以为 SIB信息。 进一步可选地,在图 1所示实施例的技术方案的基础上,上述步骤 1011 "该 用户设备在第一资源上接收第一 EPDCCH , 根据该第一 EPDCCH承载的控制信 息, 获取该至少两个 EPDCCH集合的配置信息" 包括以下步骤 1011b:
1011b , 所述用户设备在第一资源上接收第一 EPDCCH , 根据所述第一 EPDCCH承载的控制信息,获取与所述第一 EPDCCH对应的下行控制信息 DCI , 根据所述 DCI中承载的配置信息,获取所述至少两个 EPDCCH集合的配置信息。
优选地, 该步骤 1011b中, 该至少两个 EPDCCH集合的配置信息承载于该 接收到的第一 EPDCCH对应的下行控制信息 DCI中。 进一步可选地,在图 1所示实施例的技术方案的基础上,上述步骤 1012 "该 用户设备接收广播信道, 根据该广播信道承载的广播消息, 获取该至少两个 EPDCCH集合的配置信息 " 包括以下步骤 1012a和 1012b: 1012a, 该用户设备接收物理下行广播信道或增强的物理下行广播信道; 1012b, 该用户设备根据该物理下行广播信道或该增强的物理下行广播信 道承载的广播消息, 获取该至少两个 EPDCCH集合的配置信息。 进一步可选地, 在图 1所示实施例的技术方案的基础上, 上述步骤 102 "所 述用户设备根据所述至少两个增强物理下行控制信道 EPDCCH集合的配置信 息, 从所述至少两个 EPDCCH集合中确定需要监听 EPDCCH的至少一个 EPDCCH集合" 包括以下步骤 1021 -1023:
1021、 该用户设备获取传输带宽配置信息;
该传输带宽配置信息用于指示用户设备的传输带宽。
1022、 根据该传输带宽配置信息, 获取该用户设备的传输带宽;
1023、所述用户设备根据该用户设备的传输带宽和所述至少两个增强物理 下行控制信道 EPDCCH集合的配置信息, 从所述至少两个 EPDCCH集合中确定 需要监听 EPDCCH的至少一个 EPDCCH集合。
用户设备根据该至少两个增强物理下行控制信道 EPDCCH集合的配置信 息确定每个 EPDCCH集合对应的物理资源块对, 再根据该用户设备的传输带 宽, 确定该至少两个 EPDCCH集合中所对应的物理资源块对位于该用户设备的 的传输带宽内的至少一个 EPDCCH集合, 将该确定的至少一个 EPDCCH集合作 为该用户设备需监听 EPDCCH的 EPDCCH集合。 进一步可选地,在图 1所示实施例的技术方案的基础上,上述步骤 1021 "该 用户设备获取传输带宽配置信息" 包括以下步骤 1021a:
1021a,该用户设备在第一资源上接收第二 EPDCCH,根据该第二 EPDCCH 承载的控制信息, 获取传输带宽配置信息。
具体地, 该步骤 1021a还可以包括以下任一情况: (1 )该用户设备在第一 资源上接收第二 EPDCCH, 该用户设备根据该第二 EPDCCH承载的控制信息, 对物理下行共享信道 PDSCH进行译码, 获取该 PDSCH承载的配置信息, 根据 该 PDSCH承载的配置信息, 获取传输带宽配置信息; 其中, 该 PDSCH承载的 信息可以为 SIB信息,但该 SIB信息仅为所支持的最大传输带宽小于载波下行传 输带宽的用户设备接收。 (2 )该用户设备在第一资源上接收第二 EPDCCH, 该 用户设备根据该第二 EPDCCH承载的控制信息, 获取该第二 EPDCCH对应的下 行控制信息,根据该下行控制信息中承载的配置信息,获取传输带宽配置信息。
该步骤 1021a与步骤 1011同理, 在此不再赘述。 进一步可选地,在图 1所示实施例的技术方案的基础上,上述步骤 1021 "该 用户设备获取传输带宽配置信息" 包括以下步骤 1021b:
1021b, 所述用户设备在当前需监听 EPDCCH的 EPDCCH集合对应的资源 上监听第三 EPDCCH, 根据所述第三 EPDCCH承载的控制信息, 获取传输带宽 配置信息。
对于用户设备来说, 当前可能已经确定了需监听 EPDCCH的 EPDCCH集 合, 则可以根据从当前需监听 EPDCCH的 EPDCCH集合中接收的第三 EPDCCH 上承载的控制信息, 获取传输带宽配置信息。
进一步地, 若用户设备可支持的最大传输带宽小于载波的下行传输带宽, 且该用户设备已经接入系统并在某个传输带宽上发送和 /或接收数据一段时间 后, 则可能根据接收到的该第三 EPDCCH获取重新配置的传输带宽, 因此, 可 以实时根据重新获取到的传输带宽确定需监听 EPDCCH的 EPDCCH集合, 以进 行 EPDCCH监听。 该第三 EPDCCH对应的 DCI可以与第二 EPDCCH对应的 DCI 相同,对第三 EPDCCH的 CRC进行加扰的 RNTI可以与第二 EPDCCH的 CRC进行 加扰的 RNTI相同。 进一步可选地,在图 1所示实施例的技术方案的基础上,上述步骤 1023 "根 据所述用户设备的传输带宽和所述至少两个增强物理下行控制信道 EPDCCH 集合的配置信息, 从所述至少两个 EPDCCH集合中确定需要监听 EPDCCH的至 少一个 EPDCCH集合" 包括以下 1023a和 1023b中任一项:
1023a, 根据所述用户设备的传输带宽和所述配置信息, 从所述至少两个 EPDCCH集合中确定需要监听 EPDCCH的 EPDCCH集合为对应的物理资源块 位于所述用户设备的传输带宽内的至少一个 EPDCCH集合; 或,
1023b, 根据所述用户设备的传输带宽、 所述传输带宽的跳频图样和所述 至少两个增强物理下行控制信道 EPDCCH集合的配置信息, 从所述至少两个 EPDCCH集合中确定需要监听 EPDCCH的至少一个 EPDCCH集合。
用户设备基于该用户设备的传输带宽确定需监听 EPDCCH的 EPDCCH集 合, 可以指用户设备确定需监听 EPDCCH的 EPDCCH集合为该 EPDCCH公共搜 索空间对应的至少两个 EPDCCH集合中对应物理资源块对位于该用户设备的 传输带宽内的 EPDCCH集合。 该步骤中, 用户设备基于该用户设备的传输带宽 确定需监听 EPDCCH的 EPDCCH集合, 还可以进一步为用户设备基于该用户设 备的传输带宽及该传输带宽的跳频图样确定需监听 EPDCCH的 EPDCCH集合。 该用户设备根据传输带宽的跳频图样, 可以获知当前子帧该用户设备支持的传 输带宽在载波下行传输带宽上的位置, 从而进一步从该至少两个 EPDCCH集合 中确定需监听 EPDCCH的 EPDCCH集合。 可选地, 在图 1所示实施例的基础上, 所述用户设备根据所述至少两个增 强物理下行控制信道 EPDCCH集合的配置信息, 从所述至少两个 EPDCCH集合 中确定需要监听 EPDCCH的至少一个 EPDCCH集合, 包括:
用户设备在第一资源上接收第四 EPDCCH , 基于所述接收到的第四 EPDCCH^I载的控制信息和所述至少两个增强物理下行控制信道 EPDCCH集 合的配置信息, 从所述至少两个 EPDCCH集合中确定需要监听 EPDCCH的至少 一个 EPDCCH集合。
需要说明的是, 该第四 EPDCCH可以为第一 EPDCCH或第二 EPDCCH。 可选地, 在图 1所示实施例的基础上, 该步骤 103 "该用户设备监听该至少 一个 EPDCCH集合" 包括以下步骤 103a或 103b:
103a, 若所述用户设备可支持的最大传输带宽等于载波的下行传输带宽, 则所述至少一个 EPDCCH集合包括所述至少两个 EPDCCH集合中的每一个 EPDCCH集合, 且所述用户设备在所述至少一个 EPDCCH集中的每一个 EPDCCH集合对应的资源上监听 EPDCCH的最大盲检测次数之和等于 EPDCCH公共搜索空间对应的盲检测次数;
103b, 若所述用户设备可支持的最大传输带宽小于载波的下行传输带宽, 则所述至少一个 EPDCCH集合包括的 EPDCCH集合的个数小于所述至少两个 EPDCCH集合包括的 EPDCCH集合的个数, 且所述用户设备在所述至少一个 EPDCCH集中的每一个 EPDCCH集合对应的资源上监听 EPDCCH的最大盲检 测次数之和等于 EPDCCH公共搜索空间对应的盲检测次数。
该步骤中, 若该用户设备可支持的最大传输带宽等于载波的下行传输带 宽, 则该用户设备 EPDCCH对应的盲检测次数在 EPDCCH公共搜索空间对应的 至少两个 EPDCCH集合中划分, 该用户设备需监听公共搜索空间对应的所有 EPDCCH集合; 若该用户设备可支持的最大传输带宽小于载波的下行传输带 宽, 则该用户设备 EPDCCH对应的盲检测次数在该用户设备需监听 EPDCCH的 EPDCCH集合中划分。
可选地, 在图 1所示实施例的技术方案的基础上, 该接收到的第二 EPDCCH、 第三 EPDCCH和第四 EPDCCH为循环冗余校验 CRC利用第一 RNTI 力口扰的 EPDCCH,该第一 RNTI由一组用户设备共享,该组用户设备对应的传输 带宽相同。 例如该组用户设备可以为对应同一个传输带宽的一组 MTC用户。 当 载波上有多个传输带宽为 MTC用户服务时, 该第一 RNTI可以包括多个值, 每 个值对应一个传输带宽。
可选地, 在图 1所示实施例的技术方案的基础上, 所述用户设备获取 EPDCCH集合的配置信息为用户设备获取 EPDCCH集合的资源块分配信息, 包 括:
用户设备接收广播信道, 所述广播信道承载的广播消息包含指示 EPDCCH 集合的资源分配的第一信息, 所述广播信道为物理广播信道或增强的物理广播 信道;
所述用户设备获取广播消息中指示 EPDCCH集合的资源分配的第一信息, 从而获得 EPDCCH集合的资源块分配信息。
可选地, 在图 1所示实施例的技术方案的基础上, 所述第一信息的信息比 特数与预设 N个物理资源块对对应, 所述 N的值对具有不同下行传输带宽的载 波均相同。
可选地, 在图 1所示实施例的技术方案的基础上, 所述用户设备根据所述 配置信息, 从所述 EPDCCH集合中确定需要监听 EPDCCH的至少一个 EPDCCH 集合, 包括:
所述用户设备根据所述 EPDCCH集合的资源块分配信息, 确定所述 EPDCCH集合中每一个 EPDCCH集合对应的物理资源块对, 并确定所述 EPDCCH集合中每一个 EPDCCH集合均为所述用户设备需要监听 EPDCCH的 EPDCCH集合; 且所述所述用户设备在所述至少一个 EPDCCH集合对应的资源 上监听 EPDCCH, 获取基站发送的控制信息, 包括:
所述用户设备在需要监听 EPDCCH的 EPDCCH集合对应的物理资源块对 上监听 EPDCCH, 获取基站发送的控制信息。
可选地, 在图 1所示实施例的技术方案的基础上, 所述用户设备根据所述 EPDCCH集合的资源块分配信息, 确定所述 EPDCCH集合中每一个 EPDCCH集 合对应的物理资源块对, 包括:
所述用户设备根据所述 EPDCCH集合的资源块分配信息和预设的 N个物理 资源块, 确定所述 EPDCCH集合中每一个 EPDCCH集合在 N个预设的物理资源 块对内对应的物理资源块对。 可选地, 在图 1所示实施例的技术方案的基础上, 所述用户设备获取增强 物理下行控制信道 EPDCCH集合的配置信息, 为用户设备获取增强物理下行控 制信道 EPDCCH公共搜索空间对应的增强物理下行控制信道 EPDCCH集合的 配置信息。 可选地, 在图 1所示实施例的技术方案的基础上, 在步骤 1011 "在所述用 户设备在第一资源上接收第一 EPDCCH" 之前, 所述方法还包括: 用户设备接 收广播信道, 根据广播信道承载的广播消息, 获取该第一资源的位置。
也即是该第一资源的位置由广播信道中承载的广播消息确定。
具体地, 上述各个步骤中该第一资源有以下 (1 ) - ( 4 )任一情况:
( 1 )该第一资源为第一子帧上的第一物理资源块集合, 该第一子帧为承 载同步信号和 /或发现信号的子帧的下一子帧, 该第一物理资源块集合的频域 起始位置与承载同步信号和 /或发现信号的物理资源块集合的频域起始位置相 同。
( 2 )该第一资源为第一子帧上的第一物理资源块集合, 该第一子帧为承 载同步信号和 /或发现信号的子帧的下一子帧,该第一物理资源块集合的频域起 始位置与承载同步信号和 /或发现信号的物理资源块集合的频域起始位置存在 预定的偏移。
可选地, 该第一资源对应的物理资源块对与该至少两个 EPDCCH集合中一 个 EPDCCH集合对应的物理资源块对相同。
可选地, 所述第一资源对应的传输带宽小于或等于所述用户设备所支持的 最大传输带宽,且所述用户设备所支持的最大传输带宽小于载波的下行传输带 宽。 该第一资源对应的传输带宽可以小于等于一个预定的值, 即该第一资源对 应的传输带宽包括的物理资源块对的个数可以小于等于一个预定的值。 该预定 的值可以指系统中某类用户设备所支持的最大传输带宽, 该类用户设备可以指 所支持的最大传输带宽小于载波的下行传输带宽的用户设备, 或可以指系统中 所支持的最大传输带宽最小的那类用户设备所支持的最大传输带宽, 例如可以 是 MTC UE能支持的最大传输带宽。 或预定的值可以指系统中某类用户设备所 支持的最大传输带宽包括的物理资源块对的个数, 该类用户设备可以指所支持 的最大传输带宽小于载波的下行传输带宽的用户设备, 例如可以是 MTC UE能 支持的最大传输带宽包括的物理资源块对的个数, 如可以是 MTC UE能支持的 最大传输带宽所包括的物理资源块对的个数。
本发明实施例中, 基于上述步骤 101到步骤 104, 可知在一个载波上, 例如 在一个新载波类型载波上, 仅有一个增强的物理下行控制信道公共搜索空间, 该增强的物理下行控制信道公共搜索空间对应至少两个 EPDCCH集合。 如图 2 所示, 图 2为本发明实施例的一个 EPDCCH集合示意图。 UE1为正常用户设备, UE2为支持的最大传输带宽小于该载波的下行传输带宽的用户设备, 通过图 2 可以看出, 对于正常用户设备, 即指支持的最大传输带宽可等于该载波的下行 传输带宽的用户设备, 其需在该增强的物理下行控制信道公共搜索空间对应的 所有 EPDCCH集合对应的资源上监听 EPDCCH; 而对于支持的最大传输带宽小 于该载波的下行传输带宽的用户设备, 其仅需在该增强的物理下行控制信道公 共搜索空间对应的所有 EPDCCH集合中的一部分 EPDCCH集合对应的资源上 监听 EPDCCH。 由于支持的最大传输带宽小于载波的下行传输带宽的用户设备 需监听 EPDCCH的增强的物理下行控制信道集合为正常用户设备需监听 EPDCCH的增强的物理下行控制信道集合的一部分, 因而系统可将这两类用户 设备对应的公共控制信息放在支持的最大传输带宽小于载波下行传输带宽的 用户设备需监听 EPDCCH的增强的物理下行控制信道集合中传输, 从而避免了 需要在该载波上多处发送相同的控制信息, 减少了控制信息开销, 提高了频谱 利用率。 同时, 与将所有增强的物理下行控制信道集合都放在支持的最大传输 带宽小于系统带宽的用户设备对应的传输带宽内相比,还避免了控制信道容量 受限的问题, 同时对于正常用户设备可以在信道质量较好的 EPDCCH集合中发 送控制信息, 从而提高了控制信息的传输性能。 图 3是本发明实施例提供的一种控制信息的传输方法的流程图。 该发明实 施例的执行主体为基站, 参见图 3, 包括:
301、 基站向用户设备发送增强物理下行控制信道 EPDCCH集合的配置信 息;
在该步骤 301中, 该配置信息配置的 EPDCCH集合为 EPDCCH公共搜索空 间对应的 EPDCCH集合, 该配置信息可以配置一个或多个 EPDCCH集合。 当该 配置信息配置的 EPDCCH集合包括多个时, 不同用户设备可根据自己的能力在 配置的多个 EPDCCH集合中确定需要监听 EPDCCH的至少一个 EPDCCH集合。
其中, 该配置信息中每个 EPDCCH集合对应的的配置信息可以包括该 EPDCCH集合对应的物理资源块对的个数、 该 EPDCCH集合对应的物理资源块 对及该 EPDCCH集合标识等信息。 用户设备根据该至少两个 EPDCCH集合的配 置信息可以确定每个 EPDCCH集合的物理资源块对个数、 物理资源块及 EPDCCH集合标识等信息。
302、 所述基站从所述配置信息配置的 EPDCCH集合中, 确定所述用户设 备需监听 EPDCCH的至少一个 EPDCCH集合;
303、 所述基站在所述至少一个 EPDCCH集合对应的资源上发送 EPDCCH , 以将控制信息通知给所述用户设备。
本发明实施例中, 当该至少一个 EPDCCH集合小于该载波公共搜索空间对 应的 EPDCCH集合个数时, 基站仅将公共控制信息承载于该至少一个 EPDCCH 集合对应的资源上, 从而避免了需要在该载波上多处发送相同的控制信息, 减 少了控制信息开销, 提高了频谱利用率。 可选地, 基于图 3所示实施例的技术方案的基础上,
所述基站向用户设备发送 EPDCCH集合的配置信息, 为基站向用户设备发 送至少两个 EPDCCH集合的配置信息; 所述配置信息配置的 EPDCCH集合, 为 配置信息配置的至少两个 EPDCCH集合。
也即是所述配置信息为用于配置至少两个 EPDCCH集合的配置信息; 所述 配置信息配置的 EPDCCH集合为至少两个 EPDCCH集合。 可选地, 基于图 3所示实施例的技术方案基础上, 该步骤 301 "基站向用户 设备发送至少两个 EPDCCH集合的配置信息" 包括以下步骤 3011 :
3011、 所述基站在第一资源上向所述用户设备发送第一 EPDCCH, 使得所 述用户设备根据所述第一 EPDCCH承载的控制信息, 获取所述至少两个 EPDCCH集合的配置信息;
需要说明的是, 该图 3所示实施例中的第一资源与图 1所示实施例中所述的 第一资源同理, 在此不再赘述。
可选地, 基于图 3所示实施例的技术方案基础上, 该步骤 301 "基站向用户 设备发送至少两个 EPDCCH集合的配置信息" 包括以下步骤 3012 :
3012、 所述基站向所述用户设备发送广播信道, 使得所述用户设备根据所 述广播信道承载的广播消息, 获取所述至少两个 EPDCCH集合的配置信息。
其中, 该广播消息包括该至少两个 EPDCCH集合的配置信息, 也即是该至 少两个 EPDCCH集合的配置信息为广播消息的一部分。 可选地, 基于图 3所示实施例的技术方案基础上, 所述基站在第一资源上 向用户设备发送第一 EPDCCH, 使得所述用户设备根据所述第一 EPDCCH承载 的控制信息, 获取所述至少两个 EPDCCH集合的配置信息, 包括:
基站在第一资源上向用户设备发送第一 EPDCCH , 在所述第一 EPDCCH指 示的资源上发送物理下行共享信道 PDSCH , 所述 PDSCH承载所述至少两个 EPDCCH集合的配置信息, 使得所述用户设备根据所述第一 EPDCCH对所述 PDSCH进行译码, 获取所述至少两个 EPDCCH集合的配置信息。 优选地, 该 PDSCH承载的配置信息可以为 SIB信息。 基站在第一资源上向用户设备发送第一 EPDCCH, 所述第一 EPDCCH承载 的控制信息包含所述至少两个 EPDCCH集合的配置信息, 使得所述用户设备根 据所述第一 EPDCCH承载的控制信息, 获取所述至少两个 EPDCCH集合的配置 信息。
基站在第一资源上向用户设备发送第一 EPDCCH, 所述用户设备在第一资 源上接收第一 EPDCCH, 根据所述第一 EPDCCH承载的控制信息, 获取与所述 第一 EPDCCH对应的下行控制信息 DCI, 根据所述 DCI中承载的配置信息, 获 取所述至少两个 EPDCCH集合的配置信息。 可选地, 基于图 3所示实施例的技术方案基础上, 该步骤 3012 "所述基站 向所述用户设备发送广播信道" 包括: 所述基站向所述用户设备发送物理下行 广播信道或增强的物理下行广播信道。 可选地, 基于图 3所示实施例的技术方案基础上, 该步骤 302 "所述基站从 所述配置信息配置的至少两个 EPDCCH集合中, 确定所述用户设备需监听 EPDCCH的至少一个 EPDCCH集合" 包括:
3021、 所述基站向所述用户设备发送传输带宽配置信息;
该传输带宽配置信息用于指示用户设备的传输带宽。
3022、 所述基站根据所述用户设备的传输带宽, 从所述配置信息配置的至 少两个 EPDCCH集合中, 确定所述用户设备需监听 EPDCCH的至少一个 EPDCCH集合。
基站根据该配置信息配置的至少两个 EPDCCH集合对应的物理资源块对, 以及该用户设备的传输带宽, 从至少两个 EPDCCH集合中确定该用户设备需监 听 EPDCCH的 EPDCCH集合。 可选地, 基于图 3所示实施例的技术方案基础上, 该步骤 3011 "所述基站 向所述用户设备发送传输带宽配置信息" 包括以下步骤 3011a或 3011b:
3011a, 该基站在第一资源上向所述用户设备发送第二 EPDCCH, 使得该 用户设备根据该第二 EPDCCH承载的控制信息, 获取传输带宽配置信息;
具体地, 该步骤 1021a还可以包括以下任一情况: (1 )基站在第一资源上 向该用户设备发送第二 EPDCCH , 该用户设备在第一资源上接收第二 EPDCCH, 该用户设备根据该第二 EPDCCH承载的控制信息, 对物理下行共享 信道 PDSCH进行译码, 获取该 PDSCH承载的配置信息, 根据该 PDSCH承载的 配置信息, 获取传输带宽配置信息; 其中, 该 PDSCH^载的信息可以为 SIB信 息, 但该 SIB信息仅为所支持的最大传输带宽小于系统带宽的用户设备接收。 ( 2 )基站在第一资源上向所述用户设备发送第二 EPDCCH, 该用户设备在第 一资源上接收第二 EPDCCH, 该用户设备根据该第二 EPDCCH承载的控制信 息, 获取该第二 EPDCCH对应的下行控制信息, 根据该下行控制信息中承载的 配置信息, 获取传输带宽配置信息。
3011b, 基站在该用户设备当前需监听 EPDCCH的 EPDCCH集合对应的资 源上发送第三 EPDCCH, 使得所述用户设备根据所述第三 EPDCCH承载的控制 信息, 获取传输带宽配置信息。
该步骤可用于基站重新配置用户设备的传输带宽, 此时基站可在用户设备 当前正在监听 EPDCCH的 EPDCCH集合对应的资源上发送该第三 EPDCCH, 以 重新配置用户设备的传输带宽。 该第三 EPDCCH对应的 DCI可以与第二 EPDCCH对应的 DCI相同, 对第三 EPDCCH的 CRC进行加扰的 RNTI可以与第二 EPDCCH的 CRC进行加扰的 RNTI相同。 可选地, 基于图 3所示实施例的技术方案基础上, 所述基站在第一资源上 向所述用户设备发送第二 EPDCCH, 包括:基站利用第一 RNTI对第二 EPDCCH 的循环冗余校验 CRC进行加扰, 并在第一资源上向所述用户设备发送所述第二 EPDCCH,所述第一 RNTI由一组用户设备共享,该组用户设备对应的传输带宽 相同。
可选地, 基于图 3所示实施例的技术方案基础上, 该步骤 3023 "所述基站 根据所述用户设备的传输带宽, 从所述配置信息配置的至少两个 EPDCCH集合 中, 确定所述用户设备需监听 EPDCCH的至少一个 EPDCCH集合" 包括以下步 骤 3023a或 3023b:
3023a, 基站根据所述用户设备的传输带宽, 从所述配置信息配置的至少 两个 EPDCCH集合中, 确定所述用户设备需监听 EPDCCH的至少一个 EPDCCH 集合, 为所述至少两个 EPDCCH集合中对应的物理资源块位于所述用户设备的 传输带宽内的至少一个 EPDCCH集合;
3023b , 根据所述用户设备的传输带宽和所述传输带宽的跳频图样, 从所 述配置信息配置的至少两个 EPDCCH集合中, 确定所述用户设备需监听 EPDCCH的至少一个 EPDCCH集合。 该基站根据传输带宽的跳频图样, 可以获 知当前子帧该用户设备支持的传输带宽在载波下行传输带宽上的位置,从而进 一步从该至少两个 EPDCCH集合中确定需监听 EPDCCH的 EPDCCH集合。
可选地, 基于图 3所示实施例的技术方案基础上, 所述基站在第一资源上 向所述用户设备发送第一 EPDCCH之前, 所述方法还包括:
所述基站向所述用户设备发送广播消息, 所述广播消息携带所述第一资源 的位置指示信息。
可选地, 所述第一资源对应的传输带宽小于或等于所述用户设备所支持的 最大传输带宽,且所述用户设备所支持的最大传输带宽小于载波的下行传输带 宽。
可选地, 所述基站向用户设备发送 EPDCCH集合的配置信息为基站向用户 设备发送 EPDCCH集合的资源块分配信息, 包括:
基站发送广播信道, 所述广播信道承载的广播消息包含指示 EPDCCH集合 的资源分配的第一信息, 所述基站通过发送所述广播信道发送 EPDCCH集合的 资源块分配信息, 所述广播信道为物理广播信道或增强的物理广播信道。 可选地, 所述第一信息的信息比特数与预设 N个物理资源块对对应, 所述 N的值对具有不同下行传输带宽的载波均相同。
可选地, 所述基站向用户设备发送增强物理下行控制信道 EPDCCH集合的 配置信息, 为基站向用户设备发送增强物理下行控制信道 EPDCCH公共搜索空 间对应的增强物理下行控制信道 EPDCCH集合的配置信息。
由于支持的最大传输带宽小于载波的下行传输带宽的用户设备监听的增 强的物理下行控制信道集合为正常用户设备监听的增强的物理下行控制信道 集合的一部分, 因而系统可将这两类用户设备对应的公共控制信息放在支持的 最大传输带宽小于载波的下行传输带宽的用户设备监听的增强的物理下行控 制信道集合中传输, 从而避免了需要在该载波上多处发送相同的控制信息, 减 少了控制信息开销, 提高了频谱利用率。 同时, 与将所有增强的物理下行控制 信道集合都放在支持的最大传输带宽小于载波的下行传输带宽的用户设备对 应的传输带宽内相比, 还避免了控制信道容量受限的问题, 同时对于正常用户 设备可以在信道质量较好的 EPDCCH集合中发送控制信息, 从而提高了控制 信息的传输性能。
为了更清晰的说明本发明实施例的流程, 以基站和用户设备之间的交互为 例进行说明, 参见图 4, 该实施例具体包括:
401、基站向用户设备发送增强物理下行控制信道 EPDCCH集合的配置信 息;
402、 当用户设备获取到增强物理下行控制信道 EPDCCH集合的配置信息 时, 所述用户设备根据所述配置信息, 从所述 EPDCCH集合中确定需要监听 EPDCCH的至少一个 EPDCCH集合;
403、 所述用户设备在所述至少一个 EPDCCH 集合对应的资源上监听 EPDCCH;
404、所述基站在所述至少一个 EPDCCH集合对应的资源上发送控制信息;
405、 用户设备获取该基站在该至少一个 EPDCCH集合对应的资源上发送 的控制信息。
图 4所示实施例仅是以用户设备自己确定需监听的 EPDCCH为例进行说 明, 而事实上, 基站还可以为用户设备确定需监听的 EPDCCH, 参见图 5, 该 实施例具体包括:
501、基站向用户设备发送增强物理下行控制信道 EPDCCH集合的配置信 息;
502、 该基站根据该配置信息, 从所述 EPDCCH 集合中确定至少一个 EPDCCH集合;
503、 该基站通知该用户设备监听该至少一个 EPDCCH集合;
504、 该用户设备监听该至少一个 EPDCCH集合;
505、所述基站在所述至少一个 EPDCCH集合对应的资源上发送控制信息;
506、 用户设备获取该基站在该至少一个 EPDCCH集合对应的资源上发送 的控制信息。 图 6是本发明实施例提供的一种控制信息的传输方法的用户设备流程图。 该发明实施例的执行主体为用户设备, 参见图 6, 包括:
601: 用户设备获取增强物理下行控制信道 EPDCCH集合的配置信息; 该步骤中, 用户设备获取增强物理下行控制信道 EPDCCH集合的配置信 息, 可以指用户设备获取增强物理下行控制信道公共搜索空间对应的增强物理 下行控制信道 EPDCCH集合的配置信息, 该 EPDCCH集合的配置信息可以指 EPDCCH集合的资源块分配信息, 该 EPDCCH集合的资源块分配信息可以包 括该 EPDCCH集合对应的物理资源块对的个数和该 EPDCCH集合对应的物理 资源块对在频域上的位置等。 具体, 该步骤 601可以通过如下方式实现: 用户 设备接收广播信道, 该广播信道承载的广播消息包含指示 EPDCCH集合的资 源分配的第一信息; 用户设备获取该广播消息中指示 EPDCCH集合的资源分 配的第一信息, 从而获得 EPDCCH集合的资源块分配信息。 该方式下, 该第一信息的信息比特数与预设 N个物理资源块对对应, 该 N 的值对具有不同下行传输带宽的载波均相同, N为正整数,且该 N的取值可以 为 6 、 15或 25等。该第一信息的信息比特数需与预设的 N个物理资源块对对 应, 主要有两个原因: 1) 用户设备在成功译码广播信道之前, 不知道载波的 系统带宽, 而第一信息指示 EPDCCH集合资源块分配所需的信息比特数与带 宽有关, 因此对用户设备来说该第一信息的比特数需是固定的, 同时用户设备 按照与该第一信息的比特数对应的带宽来解析该第一信息, 从而获取该 EPDCCH集合的资源块分配信息; 2) 指示 EPDCCH集合资源块分配信息所需 的信息比特数在系统带宽大时值较大, 由于该第一信息承载于广播信道上, 该 广播信道的容量有限,因而需限定该第一信息的信息比特数仅与预设的 N个物 理资源块对对应。
第一信息的信息比特数与预设 N个物理资源块对对应,也可以说该第一信 息指示的 EPDCCH集合对应的物理资源块对属于该 N个预设的物理资源块对, 由于该 EPDCCH集合为 EPDCCH公共搜索空间对应的 EPDCCH集合, 因而 该 EPDCCH集合对应的物理资源块对最好离散分布于频域上。 当该 N个物理 资源块对小于载波的下行传输带宽 W时, 该 N个物理资源块对可以为载波的 下行传输带宽 W内预定的 N个物理资源块对,例如可以是 W内物理资源块对 索引为 0开始到 N - 1的 N个物理资源块对, 或离散分布于 W个物理资源块 对内的 N个物理资源块。
602、 用户设备根据获取的配置信息, 从该配置信息配置的 EPDCCH集合 中确定需要监听 EPDCCH的至少一个 EPDCCH集合;
该步骤 602中, 当通过步骤 601获取到的该配置信息为 EPDCCH资源块 分配信息时, 用户设备根据该 EPDCCH 集合的资源块分配信息, 确定该 EPDCCH 集合中每一个 EPDCCH 集合对应的物理资源块对, 并确定该 EPDCCH集合中每一个 EPDCCH集合均为该用户设备需要监听 EPDCCH的 EPDCCH集合,且此时步骤 3为用户设备在需要监听 EPDCCH的 EPDCCH集 合对应的物理资源块对上监听 EPDCCH, 获取基站发送的控制信息。
603、 用户设备根据确定的至少一个 EPDCCH 集合对应的资源上监听
EPDCCH, 获取基站发送的控制信息。
该步骤 603中, 用户设备在至少一个 EPDCCH集合对应的物理资源块对 上监听 EPDCCH, 获取基站发送的控制信息。 图 7是本发明实施例提供的一种控制信息的传输方法的基站侧流程图。 该 发明实施例的执行主体为基站, 参见图 7, 包括:
701、基站向用户设备发送增强物理下行控制信道 EPDCCH集合的配置信 息;
该步骤中, 基站发送增强物理下行控制信道 EPDCCH集合的配置信息, 可以指基站发送增强物理下行控制信道公共搜索空间对应的增强物理下行控 制信道 EPDCCH 集合的配置信息, 该 EPDCCH 集合的配置信息可以指 EPDCCH集合的资源块分配信息, 该 EPDCCH集合的资源块分配信息可以包 括该 EPDCCH集合对应的物理资源块对的个数和该 EPDCCH集合对应的物理 资源块对在频域上的位置等。 具体, 该步骤可以通过如下方式实现:
方式一: 基站发送广播信道, 该广播信道承载的广播消息包含指示 EPDCCH集合的资源分配的第一信息;基站通过发送该广播信道发送 EPDCCH 集合的资源块分配信息, 该广播信道可以为物理广播信道或增强的物理广播信 道。
该方式下, 该第一信息的信息比特数与预设 N个物理资源块对对应, 该 N 的值对具有不同下行传输带宽的载波均相同, N为正整数,且该 N的取值可以 为 6 、 15或 25等。
第一信息的信息比特数与预设 N个物理资源块对对应,也可以说该第一信 息指示的 EPDCCH集合对应的物理资源块对属于该 N个预设的物理资源块对, 由于该 EPDCCH集合为 EPDCCH公共搜索空间对应的 EPDCCH集合, 因而 该 EPDCCH集合对应的物理资源块对最好离散分布于频域上。 当该 N个物理 资源块对小于载波的下行传输带宽 W时,该 N个物理资源块对可以为 W内预 定的 N个物理资源块对,例如可以是 W内物理资源块对索引为 0开始到 N _ 1
702、 基站从发送的配置信息配置的 EPDCCH集合中, 确定用户设备需监 听 EPDCCH的至少一个 EPDCCH集合;
该步骤中, 基站根据步骤 701发送的配置信息配置的 EPDCCH集合中每 一个 EPDCCH 集合对应的物理资源块对, 并确定该 EPDCCH 集合中每一个 EPDCCH集合均为用户设备需要监听 EPDCCH的 EPDCCH集合,且此时步骤 3 为基站在需要监听 EPDCCH 的 EPDCCH 集合对应的物理资源块对上监听 EPDCCH, 获取基站发送的控制信息。
703、 基站在确定的至少一个 EPDCCH集合对应的资源上发送 EPDCCH, 以将控制信息通知给用户设备。
该步骤中, 基站可以在步骤 702确定的至少一个 EPDCCH集合对应的物 理资源块对上发送 EPDCCH, 以将控制信息通知给用户设备。
本发明实施例中, 通过将 EPDCCH公共搜索空间对应的 EPDCCH集合的 资源块分配信息承载与广播信道中通知给用户设备, 且该资源块分配信息与预 设的 N个物理资源块对对应, 解决了新载波类型上 EPDCCH公共搜索空间的 设计问题, 以使得用户设备根据配置的公共搜索空间获取控制信息。 图 8是本发明实施例提供的一种用户设备的结构示意图。 参见图 8, 该用户 设备包括: 获取模块 801 , 用于获取增强物理下行控制信道 EPDCCH集合的配 置信息; 确定模块 802, 用于根据所述配置信息, 从所述 EPDCCH集合中确定 用户设备需要监听 EPDCCH的至少一个 EPDCCH集合; 监听模块 803 , 用于在 所述至少一个 EPDCCH集合对应的资源上监听 EPDCCH, 获取基站发送的控制 信息。
可选地, 所述获取模块 801用于获取至少两个增强物理下行控制信道 EPDCCH集合的配置信息;
所述确定模块用于根据所述至少两个增强物理下行控制信道 EPDCCH集 合的配置信息, 从所述至少两个 EPDCCH集合中确定需要监听 EPDCCH的至少 一个 EPDCCH集合。
可选地, 所述获取模块 801用于在第一资源上接收第一 EPDCCH, 根据所 述第一 EPDCCH承载的控制信息, 获取所述至少两个 EPDCCH集合的配置信 息; 或,
所述获取模块 801用于接收广播信道,根据所述广播信道承载的广播消息, 获取所述至少两个 EPDCCH集合的配置信息。
可选地, 所述获取模块 801用于在第一资源上接收第一 EPDCCH, 根据所 述第一 EPDCCH承载的控制信息, 对物理下行共享信道 PDSCH进行译码, 获取 所述 PDSCH承载的配置信息, 根据所述 PDSCH承载的配置信息, 获取所述至 少两个 EPDCCH集合的配置信息;
或, 所述获取模块 801用于在第一资源上接收第一 EPDCCH, 根据所述第 一 EPDCCH承载的控制信息, 获取与所述第一 EPDCCH对应的下行控制信息 DCI, 根据所述 DCI中承载的配置信息, 获取所述至少两个 EPDCCH集合的配 置信息。
可选地, 所述获取模块 801用于接收物理下行广播信道或增强的物理下行 广播信道; 根据所述物理下行广播信道或所述增强的物理下行广播信道承载的 广播消息, 获取所述至少两个 EPDCCH集合的配置信息。
可选地, 所述确定模块 802包括:
带宽配置信息获取单元, 用于获取传输带宽配置信息;
传输带宽获取单元, 用于根据所述传输带宽配置信息, 获取用户设备的传 输带宽; 确定单元, 用于根据所述用户设备的传输带宽和所述至少两个增强物理下 行控制信道 EPDCCH集合的配置信息, 从所述至少两个 EPDCCH集合中确定需 要监听 EPDCCH的至少一个 EPDCCH集合。
可选地, 所述带宽配置信息获取单元用于在第一资源上接收第二 EPDCCH, 根据所述第二 EPDCCH承载的控制信息, 获取传输带宽配置信息; 或,
所述带宽配置信息获取单元用于在当前需监听 EPDCCH的 EPDCCH集合 对应的资源上监听第三 EPDCCH, 根据所述第三 EPDCCH承载的控制信息, 获 取传输带宽配置信息。
可选地, 在第一资源上接收到的第二 EPDCCH为循环冗余校验 CRC利用第 一 RNTI加扰的 EPDCCH, 所述第一 RNTI由一组用户设备共享, 该组用户设备 对应的传输带宽相同。
可选地, 所述确定单元用于根据所述用户设备的传输带宽和所述至少两个 EPDCCH集合的配置信息, 从所述至少两个 EPDCCH集合中确定需要监听 EPDCCH的 EPDCCH集合为对应的物理资源块位于所述用户设备的传输带宽 内的至少一个 EPDCCH集合; 或,
所述确定单元用于根据所述用户设备的传输带宽、所述传输带宽的跳频图 样和所述至少两个增强物理下行控制信道 EPDCCH集合的配置信息, 从所述至 少两个 EPDCCH集合中确定需要监听 EPDCCH的至少一个 EPDCCH集合。
可选地, 所述确定模块 802用于在第一资源上接收第四 EPDCCH, 基于所 述接收到的第四 EPDCCH承载的控制信息和所述至少两个增强物理下行控制 信道 EPDCCH集合的配置信息, 从所述至少两个 EPDCCH集合中确定需要监听 EPDCCH的至少一个 EPDCCH集合。
可选地, 所述用户设备还包括: 广播信道接收模块, 用于接收广播信道, 根据广播信道承载的广播消息, 获取该第一资源的位置。
可选地, 所述第一资源为第一子帧上的第一物理资源块集合, 所述第一子 帧为承载同步信号和 /或发现信号的子帧的下一子帧,所述第一物理资源块集合 的频域起始位置与承载同步信号和 /或发现信号的物理资源块集合的频域起始 位置相同; 或,
所述第一资源为第一子帧上的第一物理资源块集合, 所述第一子帧为承载 同步信号和 /或发现信号的子帧的下一子帧,所述第一物理资源块集合的频域起 始位置与承载同步信号和 /或发现信号的物理资源块集合的频域起始位置存在 预定的偏移。
可选地, 所述第一资源对应的物理资源块对与所述至少两个 EPDCCH集合 中一个 EPDCCH集合对应的物理资源块对相同。
可选地, 所述第一资源对应的传输带宽小于或等于所述用户设备所支持的 最大传输带宽,且所述用户设备所支持的最大传输带宽小于载波的下行传输带 宽。
可选地, 所述监听模块 803用于若所述用户设备可支持的最大传输带宽等 于载波的下行传输带宽, 则所述至少一个 EPDCCH集合包括所述至少两个 EPDCCH集合中的每一个 EPDCCH集合, 且所述用户设备在所述至少一个 EPDCCH集中的每一个 EPDCCH集合对应的资源上监听 EPDCCH的最大盲检 测次数之和等于 EPDCCH公共搜索空间对应的盲检测次数;
所述监听模块 803用于若所述用户设备可支持的最大传输带宽小于载波的 下行传输带宽, 则所述至少一个 EPDCCH集合包括的 EPDCCH集合的个数小于 所述至少两个 EPDCCH集合包括的 EPDCCH集合的个数, 且所述用户设备在所 述至少一个 EPDCCH集中的每一个 EPDCCH集合对应的资源上监听 EPDCCH 的最大盲检测次数之和等于 EPDCCH公共搜索空间对应的盲检测次数。
可选地, 所述 EPDCCH集合的配置信息为 EPDCCH集合的资源块分配信 息, 所述获取模块 801包括:
接收单元, 用于接收广播信道, 所述广播信道承载的广播消息包含指示 EPDCCH集合的资源分配的第一信息, 所述广播信道为物理广播信道或增强的 物理广播信道;
第一信息获取单元, 能够与获取广播消息中指示 EPDCCH集合的资源分配 的第一信息, 从而获得 EPDCCH集合的资源块分配信息。
可选地, 所述第一信息的信息比特数与预设 N个物理资源块对对应, 所述 N的值对具有不同下行传输带宽的载波均相同。
可选地, 所述确定模块 802用于根据所述 EPDCCH集合的资源块分配信息, 确定所述 EPDCCH集合中每一个 EPDCCH集合对应的物理资源块对, 并确定所 述 EPDCCH集合中每一个 EPDCCH集合均为所述用户设备需要监听 EPDCCH 的 EPDCCH集合;
相应的, 所述监听模块 803用于在需要监听 EPDCCH的 EPDCCH集合对应 的物理资源块对上监听 EPDCCH , 获取基站发送的控制信息。
可选地, 所述确定模块 802用于根据所述 EPDCCH集合的资源块分配信息 和预设的 N个物理资源块, 确定所述 EPDCCH集合中每一个 EPDCCH集合在 N 个预设的物理资源块对内对应的物理资源块对。
可选地, 所述用户设备获取增强物理下行控制信道 EPDCCH集合的配置信 息, 为用户设备获取增强物理下行控制信道 EPDCCH公共搜索空间对应的增强 物理下行控制信道 EPDCCH集合的配置信息。 图 9是本发明实施例提供的一种基站的结构示意图。参见图 9,该基站包括: 发送模块 901 , 用于向用户设备发送增强物理下行控制信道 EPDCCH集合 的配置信息;
确定模块 902, 用于从所述配置信息配置的 EPDCCH集合中, 确定所述用 户设备需监听 EPDCCH的至少一个 EPDCCH集合;
EPDCCH发送模块 903 , 用于在所述至少一个 EPDCCH集合对应的资源上 发送 EPDCCH, 以将控制信息通知给所述用户设备。
可选地, 向用户设备发送 EPDCCH集合的配置信息, 为基站向用户设备发 送至少两个 EPDCCH集合的配置信息; 所述配置信息配置的 EPDCCH集合, 为 配置信息配置的至少两个 EPDCCH集合。
可选地, 所述发送模块用于在第一资源上向用户设备发送第一 EPDCCH, 使得所述用户设备根据所述第一 EPDCCH承载的控制信息, 获取所述至少两个 EPDCCH集合的配置信息; 或,
所述发送模块用于向用户设备发送广播信道,使得所述用户设备根据所述 广播信道承载的广播消息, 获取所述至少两个 EPDCCH集合的配置信息。
可选地, 所述发送模块用于在第一资源上向用户设备发送第一 EPDCCH, 在所述第一 EPDCCH指示的资源上发送物理下行共享信道 PDSCH , 所述 PDSCH承载所述至少两个 EPDCCH集合的配置信息,使得所述用户设备根据所 述第一 EPDCCH对所述 PDSCH进行译码,获取所述至少两个 EPDCCH集合的配 置信息; 或,
所述发送模块用于在第一资源上向用户设备发送第一 EPDCCH, 所述第一 EPDCCH承载的控制信息包含所述至少两个 EPDCCH集合的配置信息, 使得所 述用户设备根据所述第一 EPDCCH承载的控制信息, 获取所述至少两个 EPDCCH集合的配置信息。
可选地, 所述发送模块用于向所述用户设备发送物理下行广播信道或增强 的物理下行广播信道。
可选地, 所述发送模块用于向所述用户设备发送传输带宽配置信息; 所述确定模块用于根据所述用户设备的传输带宽,从所述配置信息配置的 至少两个 EPDCCH集合中, 确定所述用户设备需监听 EPDCCH的至少一个 EPDCCH集合。
可选地, 所述发送模块用于在第一资源上向所述用户设备发送第二 EPDCCH, 使得所述用户设备根据所述第二 EPDCCH承载的控制信息, 获取传 输带宽配置信息; 或,
所述发送模块用于在所述用户设备当前需监听 EPDCCH的 EPDCCH集合 对应的资源上发送第三 EPDCCH, 使得所述用户设备根据所述第三 EPDCCH承 载的控制信息, 获取传输带宽配置信息。
可选地,所述发送模块用于利用第一 RNTI对第二 EPDCCH的循环冗余校验 CRC进行加扰, 并在第一资源上向所述用户设备发送所述第二 EPDCCH, 所述 第一 RNTI由一组用户设备共享, 该组用户设备对应的传输带宽相同。
可选地, 所述确定模块用于根据所述用户设备的传输带宽, 从所述配置信 息配置的至少两个 EPDCCH集合中, 确定所述用户设备需监听 EPDCCH的至少 一个 EPDCCH集合, 为所述至少两个 EPDCCH集合中对应的物理资源块位于所 述用户设备的传输带宽内的至少一个 EPDCCH集合; 或,
所述确定模块用于根据所述用户设备的传输带宽和所述传输带宽的跳频 图样, 从所述配置信息配置的至少两个 EPDCCH集合中, 确定所述用户设备需 监听 EPDCCH的至少一个 EPDCCH集合。
可选地, 所述发送模块, 还用于向所述用户设备发送广播消息, 所述广播 消息携带所述第一资源的位置指示信息。
可选地, 所述第一资源为第一子帧上的第一物理资源块集合, 所述第一子 帧为承载同步信号和 /或发现信号的子帧的下一子帧,所述第一物理资源块集合 的频域起始位置与承载同步信号和 /或发现信号的物理资源块集合的频域起始 位置相同; 或,
所述第一资源为第一子帧上的第一物理资源块集合, 所述第一子帧为承载 同步信号和 /或发现信号的子帧的下一子帧,所述第一物理资源块集合的频域起 始位置与承载同步信号和 /或发现信号的物理资源块集合的频域起始位置存在 预定的偏移。
可选地, 所述第一资源对应的物理资源块对与所述至少两个 EPDCCH集合 中一个 EPDCCH集合对应的物理资源块对相同。
可选地, 所述第一资源对应的传输带宽小于或等于所述用户设备所支持的 最大传输带宽,且所述用户设备所支持的最大传输带宽小于载波的下行传输带 宽。
可选地, 所述发送模块用于发送广播信道, 所述广播信道承载的广播消息 包含指示 EPDCCH集合的资源分配的第一信息, 通过发送所述广播信道发送 EPDCCH集合的资源块分配信息, 所述广播信道为物理广播信道或增强的物理 广播信道。
可选地, 所述第一信息的信息比特数与预设 N个物理资源块对对应, 所述 N的值对具有不同下行传输带宽的载波均相同。
可选地, 所述向用户设备发送增强物理下行控制信道 EPDCCH集合的配置 信息, 为基站向用户设备发送增强物理下行控制信道 EPDCCH公共搜索空间对 应的增强物理下行控制信道 EPDCCH集合的配置信息。
以上发送模块 901 可以为发射机或收发机, 以上 EPDCCH发送模块 903 可以为接收机或收发机, 且发送模块 901和 EPDCCH发送模块 903可以集成 在一起构成收发单元, 对应于硬件实现为收发机。
需要说明的是: 上述实施例提供的设备在控制信息传输时, 仅以上述各功 能模块的划分进行举例说明, 实际应用中, 可以根据需要而将上述功能分配由 不同的功能模块完成, 即将设备的内部结构划分成不同的功能模块, 以完成以 上描述的全部或者部分功能。 另外, 上述实施例提供的设备与控制信息传输方 法实施例属于同一构思, 其具体实现过程详见方法实施例, 这里不再赘述。 图 10是本发明实施例提供的一种用户设备的结构示意图。参见图 10,包括: 接收器 1001、 发射器 1002、 存储器 1003和处理器 1004, 所述接收器 1001和所述 发射器 1002分别于所述处理器 1004连接, 所述存储器 1003存储有程序代码, 所 述处理器 1004用于调用所述程序代码, 执行以下操作: 获取增强物理下行控制 信道 EPDCCH集合的配置信息; 根据所述配置信息, 从所述 EPDCCH集合中确 定需要监听 EPDCCH的至少一个 EPDCCH集合; 在所述至少一个 EPDCCH集合 对应的资源上监听 EPDCCH, 获取基站发送的控制信息。 可选地, 所述处理器 1004还用于调用所述程序代码, 执行以下操作: 用户 设备获取至少两个增强物理下行控制信道 EPDCCH集合的配置信息;
相应地, 所述用户设备根据所述配置信息, 从所述 EPDCCH集合中确定需 要监听 EPDCCH的至少一个 EPDCCH集合包括:
所述用户设备根据所述至少两个增强物理下行控制信道 EPDCCH集合的 配置信息, 从所述至少两个 EPDCCH集合中确定需要监听 EPDCCH的至少一个 EPDCCH集合。
可选地, 所述处理器 1004还用于调用所述程序代码, 执行以下操作: 用户 设备获取至少两个增强物理下行控制信道 EPDCCH集合的配置信息;
所述用户设备在第一资源上接收第一 EPDCCH , 根据所述第一 EPDCCH承 载的控制信息, 获取所述至少两个 EPDCCH集合的配置信息; 或,
所述用户设备接收广播信道, 根据所述广播信道承载的广播消息, 获取所 述至少两个 EPDCCH集合的配置信息。
可选地, 所述处理器 1004还用于调用所述程序代码, 执行以下操作: 用户 设备获取至少两个增强物理下行控制信道 EPDCCH集合的配置信息;
所述用户设备在第一资源上接收第一 EPDCCH , 根据所述第一 EPDCCH承 载的控制信息, 对物理下行共享信道 PDSCH进行译码, 获取所述 PDSCH承载 的配置信息, 根据所述 PDSCH承载的配置信息, 获取所述至少两个 EPDCCH集 合的配置信息;
或, 所述用户设备在第一资源上接收第一 EPDCCH , 根据所述第一 EPDCCH承载的控制信息,获取与所述第一 EPDCCH对应的下行控制信息 DCI , 根据所述 DCI中承载的配置信息,获取所述至少两个 EPDCCH集合的配置信息。
可选地, 所述处理器 1004还用于调用所述程序代码, 执行以下操作: 用户 设备获取至少两个增强物理下行控制信道 EPDCCH集合的配置信息;
所述用户设备接收物理下行广播信道或增强的物理下行广播信道; 所述用户设备根据所述物理下行广播信道或所述增强的物理下行广播信 道承载的广播消息, 获取所述至少两个 EPDCCH集合的配置信息。 可选地, 所述处理器 1004还用于调用所述程序代码, 执行以下操作: 用户 设备获取至少两个增强物理下行控制信道 EPDCCH集合的配置信息;
所述用户设备获取传输带宽配置信息;
根据所述传输带宽配置信息, 获取所述用户设备的传输带宽;
根据所述用户设备的传输带宽和所述至少两个增强物理下行控制信道 EPDCCH集合的配置信息, 从所述至少两个 EPDCCH集合中确定需要监听 EPDCCH的至少一个 EPDCCH集合。
可选地, 所述处理器 1004还用于调用所述程序代码, 执行以下操作: 用户 设备获取至少两个增强物理下行控制信道 EPDCCH集合的配置信息;
所述用户设备在第一资源上接收第二 EPDCCH, 根据所述第二 EPDCCH承 载的控制信息, 获取传输带宽配置信息; 或,
所述用户在当前需监听 EPDCCH的 EPDCCH集合对应的资源上监听第三 EPDCCH, 根据所述第三 EPDCCH承载的控制信息, 获取传输带宽配置信息。
可选地, 所述处理器 1004还用于调用所述程序代码, 执行以下操作: 用户 设备获取至少两个增强物理下行控制信道 EPDCCH集合的配置信息;
用户设备在第一资源上接收到的第二 EPDCCH为循环冗余校验 CRC利用 第一 RNTI加扰的 EPDCCH , 所述第一 RNTI由一组用户设备共享, 该组用户设 备对应的传输带宽相同。
可选地, 所述处理器 1004还用于调用所述程序代码, 执行以下操作: 用户 设备获取至少两个增强物理下行控制信道 EPDCCH集合的配置信息;
根据所述用户设备的传输带宽和所述至少两个 EPDCCH集合的配置信息, 从所述至少两个 EPDCCH集合中确定需要监听 EPDCCH的 EPDCCH集合为对 应的物理资源块位于所述用户设备的传输带宽内的至少一个 EPDCCH集合; 或,
根据所述用户设备的传输带宽、所述传输带宽的跳频图样和所述至少两个 增强物理下行控制信道 EPDCCH集合的配置信息, 从所述至少两个 EPDCCH集 合中确定需要监听 EPDCCH的至少一个 EPDCCH集合。
可选地, 所述处理器 1004还用于调用所述程序代码, 执行以下操作: 用户 设备获取至少两个增强物理下行控制信道 EPDCCH集合的配置信息;
用户设备在第一资源上接收第四 EPDCCH , 基于所述接收到的第四 EPDCCH^I载的控制信息和所述至少两个增强物理下行控制信道 EPDCCH集 合的配置信息, 从所述至少两个 EPDCCH集合中确定需要监听 EPDCCH的至少 一个 EPDCCH集合。
可选地, 所述处理器 1004还用于调用所述程序代码, 执行以下操作: 用户 设备获取至少两个增强物理下行控制信道 EPDCCH集合的配置信息;
用户设备接收广播信道, 根据广播信道承载的广播消息, 获取该第一资源 的位置。
可选地, 所述第一资源为第一子帧上的第一物理资源块集合, 所述第一子 帧为承载同步信号和 /或发现信号的子帧的下一子帧, 所述第一物理资源块集 合的频域起始位置与承载同步信号和 /或发现信号的物理资源块集合的频域起 始位置相同; 或,
所述第一资源为第一子帧上的第一物理资源块集合, 所述第一子帧为承载 同步信号和 /或发现信号的子帧的下一子帧,所述第一物理资源块集合的频域起 始位置与承载同步信号和 /或发现信号的物理资源块集合的频域起始位置存在 预定的偏移。
可选地, 所述第一资源对应的物理资源块对与所述至少两个 EPDCCH集合 中一个 EPDCCH集合对应的物理资源块对相同。
可选地, 所述第一资源对应的传输带宽小于或等于所述用户设备所支持的 最大传输带宽,且所述用户设备所支持的最大传输带宽小于载波的下行传输带 宽。
可选地, 所述处理器 1004还用于调用所述程序代码, 执行以下操作: 若所 述用户设备可支持的最大传输带宽等于载波的下行传输带宽, 则所述至少一个
EPDCCH集合包括所述至少两个 EPDCCH集合中的每一个 EPDCCH集合, 且所 述用户设备在所述至少一个 EPDCCH集中的每一个 EPDCCH集合对应的资源 上监听 EPDCCH的最大盲检测次数之和等于 EPDCCH公共搜索空间对应的盲 检测次数;
若所述用户设备可支持的最大传输带宽小于载波的下行传输带宽, 则所述 至少一个 EPDCCH集合包括的 EPDCCH集合的个数小于所述至少两个 EPDCCH集合包括的 EPDCCH集合的个数, 且所述用户设备在所述至少一个 EPDCCH集中的每一个 EPDCCH集合对应的资源上监听 EPDCCH的最大盲检 测次数之和等于 EPDCCH公共搜索空间对应的盲检测次数。
可选地, 所述处理器 1004还用于调用所述程序代码, 执行以下操作: 用户 设备接收广播信道, 所述广播信道承载的广播消息包含指示 EPDCCH集合的资 源分配的第一信息, 所述广播信道为物理广播信道或增强的物理广播信道; 所述用户设备获取广播消息中指示 EPDCCH集合的资源分配的第一信息, 从而获得 EPDCCH集合的资源块分配信息。
可选地, 所述第一信息的信息比特数与预设 N个物理资源块对对应, 所述 N的值对具有不同下行传输带宽的载波均相同。
可选地, 所述处理器 1004还用于调用所述程序代码, 执行以下操作: 所述 用户设备根据所述 EPDCCH集合的资源块分配信息, 确定所述 EPDCCH集合中 每一个 EPDCCH集合对应的物理资源块对, 并确定所述 EPDCCH集合中每一个 EPDCCH集合均为所述用户设备需要监听 EPDCCH的 EPDCCH集合;
且所述所述用户设备在所述至少一个 EPDCCH集合对应的资源上监听 EPDCCH, 获取基站发送的控制信息, 包括:
所述用户设备在需要监听 EPDCCH的 EPDCCH集合对应的物理资源块对 上监听 EPDCCH, 获取基站发送的控制信息。
可选地, 所述处理器 1004还用于调用所述程序代码, 执行以下操作: 所述 用户设备根据所述 EPDCCH集合的资源块分配信息和预设的 N个物理资源块, 确定所述 EPDCCH集合中每一个 EPDCCH集合在 N个预设的物理资源块对内对 应的物理资源块对。
可选地, 所述用户设备获取增强物理下行控制信道 EPDCCH集合的配置信 息, 为用户设备获取增强物理下行控制信道 EPDCCH公共搜索空间对应的增强 物理下行控制信道 EPDCCH集合的配置信息。 图 11是本发明实施例提供的一种基站的结构示意图。 参见图 11 , 该基站 包括: 接收器 1101、 发射器 1102, 存储器 1103和处理器 1104, 所述接收器 1101和所述发射器 1102分别于所述处理器 1104连接, 当然,基站还可以包括 天线、 基带处理部件、 中射频处理部件、 输入输出装置等通用部件, 本发明实 施例在此不再任何限制。
其中, 所述存储器 1103存储有程序代码, 所述处理器 1104用于调用所述 程序代码, 执行以下操作: 向用户设备发送增强物理下行控制信道 EPDCCH 集合的配置信息; 从所述配置信息配置的 EPDCCH集合中, 确定所述用户设 备需监听 EPDCCH的至少一个 EPDCCH集合; 在所述至少一个 EPDCCH集 合对应的资源上发送 EPDCCH, 以将控制信息通知给所述用户设备。
可选地, 所述基站向用户设备发送 EPDCCH集合的配置信息, 为基站向用 户设备发送至少两个 EPDCCH集合的配置信息;
所述配置信息配置的 EPDCCH集合, 为配置信息配置的至少两个 EPDCCH 集合。
可选地, 所述处理器 1104还用于调用所述程序代码, 执行以下操作: 在第 一资源上向用户设备发送第一 EPDCCH , 使得所述用户设备根据所述第一 EPDCCH承载的控制信息, 获取所述至少两个 EPDCCH集合的配置信息; 或, 向用户设备发送广播信道,使得所述用户设备根据所述广播信道承载的广 播消息, 获取所述至少两个 EPDCCH集合的配置信息。 可选地, 所述处理器 1104还用于调用所述程序代码, 执行以下操作: 在第 一资源上向用户设备发送第一 EPDCCH , 在所述第一 EPDCCH指示的资源上发 送物理下行共享信道 PDSCH, 所述 PDSCH承载所述至少两个 EPDCCH集合的 配置信息, 使得所述用户设备根据所述第一 EPDCCH对所述 PDSCH进行译码, 获取所述至少两个 EPDCCH集合的配置信息; 或, 在第一资源上向用户设备发 送第一 EPDCCH , 所述第一 EPDCCH承载的控制信息包含所述至少两个 EPDCCH集合的配置信息, 使得所述用户设备根据所述第一 EPDCCH承载的控 制信息, 获取所述至少两个 EPDCCH集合的配置信息。
可选地, 所述处理器 1104还用于调用所述程序代码, 执行以下操作: 向所 述用户设备发送物理下行广播信道或增强的物理下行广播信道。
可选地, 所述处理器 1104还用于调用所述程序代码, 执行以下操作: 向所 述用户设备发送传输带宽配置信息; 根据所述用户设备的传输带宽, 从所述配 置信息配置的至少两个 EPDCCH集合中, 确定所述用户设备需监听 EPDCCH的 至少一个 EPDCCH集合。
可选地, 所述处理器 1104还用于调用所述程序代码, 执行以下操作: 在第 一资源上向所述用户设备发送第二 EPDCCH, 使得所述用户设备根据所述第二 EPDCCH承载的控制信息, 获取传输带宽配置信息; 或,
在所述用户设备当前需监听 EPDCCH的 EPDCCH集合对应的资源上发送 第三 EPDCCH, 使得所述用户设备根据所述第三 EPDCCH承载的控制信息, 获 取传输带宽配置信息。
可选地, 所述处理器 1104还用于调用所述程序代码, 执行以下操作: 利用 第一 RNTI对第二 EPDCCH的循环冗余校验 CRC进行加扰,并在第一资源上向所 述用户设备发送所述第二 EPDCCH ,所述第一 RNTI由一组用户设备共享,该组 用户设备对应的传输带宽相同。
可选地, 所述处理器 1104还用于调用所述程序代码, 执行以下操作: 根据 所述用户设备的传输带宽, 从所述配置信息配置的至少两个 EPDCCH集合中, 确定所述用户设备需监听 EPDCCH的至少一个 EPDCCH集合, 为所述至少两个 EPD C CH集合中对应的物理资源块位于所述用户设备的传输带宽内的至少一 个 EPDCCH集合; 或,
根据所述用户设备的传输带宽和所述传输带宽的跳频图样,从所述配置信 息配置的至少两个 EPDCCH集合中, 确定所述用户设备需监听 EPDCCH的至少 一个 EPDCCH集合。
可选地, 所述处理器 1104还用于调用所述程序代码, 执行以下操作: 向 所述用户设备发送广播消息, 所述广播消息携带所述第一资源的位置指示信 息。
可选地, 所述第一资源为第一子帧上的第一物理资源块集合, 所述第一子 帧为承载同步信号和 /或发现信号的子帧的下一子帧,所述第一物理资源块集合 的频域起始位置与承载同步信号和 /或发现信号的物理资源块集合的频域起始 位置相同; 或,
所述第一资源为第一子帧上的第一物理资源块集合, 所述第一子帧为承载 同步信号和 /或发现信号的子帧的下一子帧,所述第一物理资源块集合的频域起 始位置与承载同步信号和 /或发现信号的物理资源块集合的频域起始位置存在 预定的偏移。
可选地, 所述第一资源对应的物理资源块对与所述至少两个 EPDCCH集合 中一个 EPDCCH集合对应的物理资源块对相同。
可选地, 所述第一资源对应的传输带宽小于或等于所述用户设备所支持的 最大传输带宽,且所述用户设备所支持的最大传输带宽小于载波的下行传输带 宽。
可选地, 所述处理器 1104还用于调用所述程序代码, 执行以下操作: 发送 广播信道, 所述广播信道承载的广播消息包含指示 EPDCCH集合的资源分配的 第一信息, 通过发送所述广播信道发送 EPDCCH集合的资源块分配信息, 所述 广播信道为物理广播信道或增强的物理广播信道。 可选地, 所述第一信息的信息比特数与预设 N个物理资源块对对应, 所述 N的值对具有不同下行传输带宽的载波均相同。
可选地, 向用户设备发送增强物理下行控制信道 EPDCCH集合的配置信 息, 为基站向用户设备发送增强物理下行控制信道 EPDCCH公共搜索空间对应 的增强物理下行控制信道 EPDCCH集合的配置信息。
本领域普通技术人员可以理解实现上述实施例的全部或部分步骤可以通 过硬件来完成, 也可以通过程序来指令相关的硬件完成, 所述的程序可以存储 于一种计算机可读存储介质中, 上述提到的存储介质可以是只读存储器, 磁盘 或光盘等。
以上所述仅为本发明的较佳实施例, 并不用以限制本发明, 凡在本发明的 精神和原则之内, 所作的任何修改、 等同替换、 改进等, 均应包含在本发明的 保护范围之内。

Claims

权 利 要 求 书
1、 一种控制信息的传输方法, 其特征在于, 包括:
用户设备获取增强物理下行控制信道 EPDCCH集合的配置信息;
所述用户设备根据所述配置信息, 从所述 EPDCCH集合中确定需要监听
EPDCCH的至少一个 EPDCCH集合;
所述用户设备在所述至少一个 EPDCCH集合对应的资源上监听 EPDCCH,获 取基站发送的控制信息。
2、 根据权利要求 1所述的方法, 其特征在于, 所述用户设备获取增强物理 下行控制信道 EPDCCH集合的配置信息包括:
用户设备获取至少两个增强物理下行控制信道 EPDCCH集合的配置信息; 相应地, 所述用户设备根据所述配置信息, 从所述 EPDCCH集合中确定需 要监听 EPDCCH的至少一个 EPDCCH集合包括:
所述用户设备根据所述至少两个增强物理下行控制信道 EPDCCH集合的配 置信息, 从所述至少两个 EPDCCH集合中确定需要监听 EPDCCH的至少一个
EPDCCH集合。
3、 根据权利要求 2所述的方法, 其特征在于, 用户设备获取 EPDCCH集合 的配置信息包括:
所述用户设备在第一资源上接收第一 EPDCCH,根据所述第一 EPDCCH承载 的控制信息, 获取所述至少两个 EPDCCH集合的配置信息; 或,
所述用户设备接收广播信道, 根据所述广播信道承载的广播消息, 获取所 述至少两个 EPDCCH集合的配置信息。
4、 根据权利要求 3所述的方法, 其特征在于, 所述用户设备在第一资源上 接收第一 EPDCCH,根据所述第一 EPDCCH承载的控制信息,获取所述至少两个 EPDCCH集合的配置信息包括:
所述用户设备在第一资源上接收第一 EPDCCH,根据所述第一 EPDCCH承载 的控制信息, 对物理下行共享信道 PDSCH进行译码, 获取所述 PDSCH承载的配 置信息, 根据所述 PDSCH承载的配置信息, 获取所述至少两个 EPDCCH集合的 配置信息;
或,所述用户设备在第一资源上接收第一 EPDCCH,根据所述第一 EPDCCH 承载的控制信息, 获取与所述第一 EPDCCH对应的下行控制信息 DCI, 根据所述 DCI中承载的配置信息, 获取所述至少两个 EPDCCH集合的配置信息。
5、 根据权利要求 3所述的方法, 其特征在于, 所述用户设备接收广播信道, 根据所述广播信道承载的广播消息, 获取所述至少两个 EPDCCH集合的配置信 息包括:
所述用户设备接收物理下行广播信道或增强的物理下行广播信道; 所述用户设备根据所述物理下行广播信道或所述增强的物理下行广播信道 承载的广播消息, 获取所述至少两个 EPDCCH集合的配置信息。
6、 根据权利要求 2所述的方法, 其特征在于, 所述用户设备根据所述至少 两个增强物理下行控制信道 EPDCCH集合的配置信息,从所述至少两个 EPDCCH 集合中确定需要监听 EPDCCH的至少一个 EPDCCH集合, 包括:
所述用户设备获取传输带宽配置信息;
根据所述传输带宽配置信息, 获取所述用户设备的传输带宽;
根据所述用户设备的传输带宽和所述至少两个增强物理下行控制信道
EPDCCH集合的配置信息, 从所述至少两个 EPDCCH集合中确定需要监听
EPDCCH的至少一个 EPDCCH集合。
7、 根据权利要求 6所述的方法, 其特征在于, 所述用户设备获取传输带宽 配置信息包括:
所述用户设备在第一资源上接收第二 EPDCCH,根据所述第二 EPDCCH承载 的控制信息, 获取传输带宽配置信息; 或,
所述用户在当前需监听 EPDCCH的 EPDCCH集合对应的资源上监听第三 EPDCCH, 根据所述第三 EPDCCH承载的控制信息, 获取传输带宽配置信息。
8、 根据权利要求 7所述的方法, 其特征在于, 包括:
用户设备在第一资源上接收到的第二 EPDCCH为循环冗余校验 CRC利用第 一 RNTI加扰的 EPDCCH, 所述第一 RNTI由一组用户设备共享, 该组用户设备对 应的传输带宽相同。
9、 根据权利要求 6所述的方法, 其特征在于, 根据所述用户设备的传输带 宽和所述至少两个增强物理下行控制信道 EPDCCH集合的配置信息, 从所述至 少两个 EPDCCH集合中确定需要监听 EPDCCH的至少一个 EPDCCH集合包括: 根据所述用户设备的传输带宽和所述至少两个 EPDCCH集合的配置信息, 从所述至少两个 EPDCCH集合中确定需要监听 EPDCCH的 EPDCCH集合为对应 的物理资源块位于所述用户设备的传输带宽内的至少一个 EPDCCH集合; 或, 根据所述用户设备的传输带宽、 所述传输带宽的跳频图样和所述至少两个 增强物理下行控制信道 EPDCCH集合的配置信息,从所述至少两个 EPDCCH集合 中确定需要监听 EPDCCH的至少一个 EPDCCH集合。
10、 根据权利要求 2所述的方法, 其特征在于, 所述用户设备根据所述至少 两个增强物理下行控制信道 EPDCCH集合的配置信息,从所述至少两个 EPDCCH 集合中确定需要监听 EPDCCH的至少一个 EPDCCH集合, 包括:
用户设备在第一资源上接收第四 EPDCCH,基于所述接收到的第四 EPDCCH 承载的控制信息和所述至少两个增强物理下行控制信道 EPDCCH集合的配置信 息,从所述至少两个 EPDCCH集合中确定需要监听 EPDCCH的至少一个 EPDCCH 集合。
11、 根据权利要求 3、 4或 7或 10任一项所述的方法, 其特征在于, 在所述用 户设备在第一资源上接收第一 EPDCCH之前, 所述方法还包括: 用户设备接收 广播信道, 根据广播信道承载的广播消息, 获取该第一资源的位置。
12、 根据权利要求 3、 4或 7或 10任一项所述的方法, 其特征在于, 包括: 所述第一资源为第一子帧上的第一物理资源块集合, 所述第一子帧为承载 同步信号和 /或发现信号的子帧的下一子帧, 所述第一物理资源块集合的频域起 始位置与承载同步信号和 /或发现信号的物理资源块集合的频域起始位置相同; 或,
所述第一资源为第一子帧上的第一物理资源块集合, 所述第一子帧为承载 同步信号和 /或发现信号的子帧的下一子帧, 所述第一物理资源块集合的频域起 始位置与承载同步信号和 /或发现信号的物理资源块集合的频域起始位置存在预 定的偏移。
13、 根据权利要求 3、 4、 7或 10或 12任一项所述的方法, 其特征在于, 包括: 所述第一资源对应的物理资源块对与所述至少两个 EPDCCH集合中一个
EPDCCH集合对应的物理资源块对相同。
14、 根据权利要求 3、 4、 7、 10、 12或 13任一项所述的方法, 其特征在于, 包括:
所述第一资源对应的传输带宽小于或等于所述用户设备所支持的最大传输 带宽, 且所述用户设备所支持的最大传输带宽小于载波的下行传输带宽。
15、 权利要求 2所述的方法, 其特征在于, 所述用户设备监听所述至少一个 EPDCCH集合包括:
若所述用户设备可支持的最大传输带宽等于载波的下行传输带宽, 则所述 至少一个 EPDCCH集合包括所述至少两个 EPDCCH集合中的每一个 EPDCCH集 合,且所述用户设备在所述至少一个 EPDCCH集中的每一个 EPDCCH集合对应的 资源上监听 EPDCCH的最大盲检测次数之和等于 EPDCCH公共搜索空间对应的 盲检测次数;
若所述用户设备可支持的最大传输带宽小于载波的下行传输带宽, 则所述 至少一个 EPDCCH集合包括的 EPDCCH集合的个数小于所述至少两个 EPDCCH 集合包括的 EPDCCH集合的个数,且所述用户设备在所述至少一个 EPDCCH集中 的每一个 EPDCCH集合对应的资源上监听 EPDCCH的最大盲检测次数之和等于 EPDCCH公共搜索空间对应的盲检测次数。
16、 根据权利要求 1所述的方法, 其特征在于, 所述 EPDCCH集合的配置信 息为 EPDCCH集合的资源块分配信息,所述用户设备获取 EPDCCH集合的配置信 息, 包括:
用户设备接收广播信道, 所述广播信道承载的广播消息包含指示 EPDCCH 集合的资源分配的第一信息, 所述广播信道为物理广播信道或增强的物理广播 信道;
所述用户设备获取广播消息中指示 EPDCCH集合的资源分配的第一信息, 从而获得 EPDCCH集合的资源块分配信息。
17、 根据权利要求 16所述的方法, 其特征在于, 所述第一信息的信息比特 数与预设 N个物理资源块对对应, 所述 N的值对具有不同下行传输带宽的载波均 相同。
18、 根据权利要求 16或 17任一项所述的方法, 其特征在于, 所述用户设备 根据所述配置信息, 从所述 EPDCCH集合中确定需要监听 EPDCCH的至少一个 EPDCCH集合, 包括:
所述用户设备根据所述 EPDCCH集合的资源块分配信息,确定所述 EPDCCH 集合中每一个 EPDCCH集合对应的物理资源块对,并确定所述 EPDCCH集合中每 一个 EPDCCH集合均为所述用户设备需要监听 EPDCCH的 EPDCCH集合;
且所述所述用户设备在所述至少一个 EPDCCH集合对应的资源上监听 EPDCCH, 获取基站发送的控制信息, 包括:
所述用户设备在需要监听 EPDCCH的 EPDCCH集合对应的物理资源块对上 监听 EPDCCH, 获取基站发送的控制信息。
19、 根据权利要求 18所述的方法, 其特征在于, 所述所述用户设备根据所 述 EPDCCH集合的资源块分配信息, 确定所述 EPDCCH集合中每一个 EPDCCH 集合对应的物理资源块对, 包括:
所述用户设备根据所述 EPDCCH集合的资源块分配信息和预设的 N个物理 资源块,确定所述 EPDCCH集合中每一个 EPDCCH集合在 N个预设的物理资源块 对内对应的物理资源块对。
20、 权利要求 1至 19任一项所述的方法, 其特征在于, 所述用户设备获取增 强物理下行控制信道 EPDCCH集合的配置信息, 为用户设备获取增强物理下行 控制信道 EPDCCH公共搜索空间对应的增强物理下行控制信道 EPDCCH集合的 配置信息。
21、 一种控制信息的传输方法, 其特征在于, 包括:
基站向用户设备发送增强物理下行控制信道 EPDCCH集合的配置信息; 所述基站从所述配置信息配置的 EPDCCH集合中, 确定所述用户设备需监 听 EPDCCH的至少一个 EPDCCH集合;
所述基站在所述至少一个 EPDCCH集合对应的资源上发送 EPDCCH ,以将控 制信息通知给所述用户设备。
22、 根据权利要求 21所述的方法, 其特征在于, 包括:
所述基站向用户设备发送 EPDCCH集合的配置信息, 为基站向用户设备发 送至少两个 EPDCCH集合的配置信息;
所述配置信息配置的 EPDCCH集合, 为配置信息配置的至少两个 EPDCCH 集合。
23、 根据权利要求 22所述的方法, 其特征在于, 所述基站向用户设备发送 至少两个 EPDCCH集合的配置信息, 包括:
基站在第一资源上向用户设备发送第一 EPDCCH, 使得所述用户设备根据 所述第一 EPDCCH承载的控制信息, 获取所述至少两个 EPDCCH集合的配置信 息; 或,
基站向用户设备发送广播信道, 使得所述用户设备根据所述广播信道承载 的广播消息, 获取所述至少两个 EPDCCH集合的配置信息。
24、 根据权利要求 23所述的方法, 其特征在于, 所述基站在第一资源上向 用户设备发送第一 EPDCCH,使得所述用户设备根据所述第一 EPDCCH承载的控 制信息, 获取所述至少两个 EPDCCH集合的配置信息, 进一步为:
基站在第一资源上向用户设备发送第一 EPDCCH,在所述第一 EPDCCH指示 的资源上发送物理下行共享信道 PD S CH , 所述 PD S CH承载所述至少两个 EPDCCH集合的配置信息, 使得所述用户设备根据所述第一 EPDCCH对所述 PDSCH进行译码, 获取所述至少两个 EPDCCH集合的配置信息; 或,
基站在第一资源上向用户设备发送第一 EPDCCH,所述第一 EPDCCH承载的 控制信息包含所述至少两个 EPDCCH集合的配置信息, 使得所述用户设备根据 所述第一 EPDCCH承载的控制信息, 获取所述至少两个 EPDCCH集合的配置信 息。
25、 根据权利要求 23所述的方法, 其特征在于, 所述基站向所述用户设备 发送广播信道包括:
所述基站向所述用户设备发送物理下行广播信道或增强的物理下行广播信 道。
26、 根据权利要求 22所述的方法, 其特征在于, 所述基站从所述配置信息 配置的至少两个 EPDCCH集合中,确定所述用户设备需监听 EPDCCH的至少一个 EPDCCH集合, 包括:
基站向所述用户设备发送传输带宽配置信息;
所述基站根据所述用户设备的传输带宽, 从所述配置信息配置的至少两个 EPDCCH集合中, 确定所述用户设备需监听 EPDCCH的至少一个 EPDCCH集合。
27、 根据权利要求 26所述的方法, 其特征在于, 所述基站向所述用户设备 发送传输带宽配置信息包括:
基站在第一资源上向所述用户设备发送第二 EPDCCH, 使得所述用户设备 根据所述第二 EPDCCH承载的控制信息, 获取传输带宽配置信息; 或,
基站在所述用户设备当前需监听 EPDCCH的 EPDCCH集合对应的资源上发 送第三 EPDCCH,使得所述用户设备根据所述第三 EPDCCH承载的控制信息,获 取传输带宽配置信息。
28、 根据权利要求 26所述的方法, 其特征在于, 所述基站在第一资源上向 所述用户设备发送第二 EPDCCH, 包括: 基站利用第一 RNTI对第二 EPDCCH的 循环冗余校验 CRC进行加扰, 并在第一资源上向所述用户设备发送所述第二 EPDCCH, 所述第一 RNTI由一组用户设备共享, 该组用户设备对应的传输带宽 相同。
29、 根据权利要求 26所述的方法, 其特征在于, 所述基站根据所述用户设 备的传输带宽, 从所述配置信息配置的至少两个 EPDCCH集合中, 确定所述用 户设备需监听 EPDCCH的至少一个 EPDCCH集合, 包括:
基站根据所述用户设备的传输带宽, 从所述配置信息配置的至少两个 EPDCCH集合中, 确定所述用户设备需监听 EPDCCH的至少一个 EPDCCH集合, 为所述至少两个 EPDCCH集合中对应的物理资源块位于所述用户设备的传输带 宽内的至少一个 EPDCCH集合; 或,
根据所述用户设备的传输带宽和所述传输带宽的跳频图样, 从所述配置信 息配置的至少两个 EPDCCH集合中,确定所述用户设备需监听 EPDCCH的至少一 个 EPDCCH集合。
30、 根据权利要求 23、 24或 26至 29中任一项所述的方法, 其特征在于, 包 括:
所述基站向所述用户设备发送广播消息, 所述广播消息携带所述第一资源 的位置指示信息。
31、 根据权利要求 23、 24或 26至 29中任一项所述的方法, 其特征在于, 所述第一资源为第一子帧上的第一物理资源块集合, 所述第一子帧为承载同步 信号和 /或发现信号的子帧的下一子帧, 所述第一物理资源块集合的频域起始位 置与承载同步信号和 /或发现信号的物理资源块集合的频域起始位置相同; 或, 所述第一资源为第一子帧上的第一物理资源块集合, 所述第一子帧为承载 同步信号和 /或发现信号的子帧的下一子帧, 所述第一物理资源块集合的频域起 始位置与承载同步信号和 /或发现信号的物理资源块集合的频域起始位置存在预 定的偏移。
32、 根据权利要求 23、 24或 26至 30中任一项所述的方法, 其特征在于, 所 述第一资源对应的物理资源块对与所述至少两个 EPDCCH集合中一个 EPDCCH 集合对应的物理资源块对相同。
33、 根据权利要求 23、 24或 26至 32中任一项所述的方法, 其特征在于, 所 述第一资源对应的传输带宽小于或等于所述用户设备所支持的最大传输带宽, 且所述用户设备所支持的最大传输带宽小于载波的下行传输带宽。
34、 根据权利要求 21所述的方法, 其特征在于, 所述基站向用户设备发送 EPDCCH集合的配置信息为基站向用户设备发送 EPDCCH集合的资源块分配信 息, 包括:
基站发送广播信道, 所述广播信道承载的广播消息包含指示 EPDCCH集合 的资源分配的第一信息, 所述基站通过发送所述广播信道发送 EPDCCH集合的 资源块分配信息, 所述广播信道为物理广播信道或增强的物理广播信道。
35、 根据权利要求 34所述的方法, 其特征在于, 所述第一信息的信息比特 数与预设 N个物理资源块对对应, 所述 N的值对具有不同下行传输带宽的载波均 相同。
36、 权利要求 22至 35任一项所述的方法, 其特征在于, 所述基站向用户设 备发送增强物理下行控制信道 EPDCCH集合的配置信息, 为基站向用户设备发 送增强物理下行控制信道 EPDCCH公共搜索空间对应的增强物理下行控制信道 EPDCCH集合的配置信息。
37、 一种用户设备, 其特征在于, 包括: 获取模块, 用于获取增强物理下行控制信道 EPDCCH集合的配置信息; 确定模块, 用于根据所述配置信息, 从所述 EPDCCH集合中确定用户设备 需要监听 EPDCCH的至少一个 EPDCCH集合;
监听模块, 用于在所述至少一个 EPDCCH集合对应的资源上监听 EPDCCH, 获取基站发送的控制信息。
38、 根据权利要求 37所述的用户设备, 其特征在于, 所述获取模块用于获 取至少两个增强物理下行控制信道 EPDCCH集合的配置信息;
所述确定模块用于根据所述至少两个增强物理下行控制信道 EPDCCH集合 的配置信息,从所述至少两个 EPDCCH集合中确定需要监听 EPDCCH的至少一个 EPDCCH集合。
39、 根据权利要求 38所述的用户设备, 其特征在于, 所述获取模块用于在 第一资源上接收第一 EPDCCH,根据所述第一 EPDCCH承载的控制信息,获取所 述至少两个 EPDCCH集合的配置信息; 或,
所述获取模块用于接收广播信道, 根据所述广播信道承载的广播消息, 获 取所述至少两个 EPDCCH集合的配置信息。
40、 根据权利要求 39所述的用户设备, 其特征在于, 所述获取模块用于在 第一资源上接收第一 EPDCCH,根据所述第一 EPDCCH承载的控制信息,对物理 下行共享信道 PDSCH进行译码, 获取所述 PDSCH承载的配置信息, 根据所述 PDSCH承载的配置信息, 获取所述至少两个 EPDCCH集合的配置信息;
或, 所述获取模块用于在第一资源上接收第一 EPDCCH , 根据所述第一 EPDCCH承载的控制信息, 获取与所述第一 EPDCCH对应的下行控制信息 DCI , 根据所述 DCI中承载的配置信息, 获取所述至少两个 EPDCCH集合的配置信息。
41、 根据权利要求 39所述的用户设备, 其特征在于, 所述获取模块用于接 收物理下行广播信道或增强的物理下行广播信道; 根据所述物理下行广播信道 或所述增强的物理下行广播信道承载的广播消息, 获取所述至少两个 EPDCCH 集合的配置信息。
42、 根据权利要求 38所述的用户设备, 其特征在于, 所述确定模块包括: 带宽配置信息获取单元, 用于获取传输带宽配置信息;
传输带宽获取单元, 用于根据所述传输带宽配置信息, 获取用户设备的传 输带宽;
确定单元, 用于根据所述用户设备的传输带宽和所述至少两个增强物理下 行控制信道 EPDCCH集合的配置信息,从所述至少两个 EPDCCH集合中确定需要 监听 EPDCCH的至少一个 EPDCCH集合。
43、 根据权利要求 42所述的用户设备, 其特征在于, 所述带宽配置信息获 取单元用于在第一资源上接收第二 EPDCCH,根据所述第二 EPDCCH承载的控制 信息, 获取传输带宽配置信息; 或,
所述带宽配置信息获取单元用于在当前需监听 EPDCCH的 EPDCCH集合对 应的资源上监听第三 EPDCCH,根据所述第三 EPDCCH承载的控制信息,获取传 输带宽配置信息。
44、 根据权利要求 43所述的用户设备, 其特征在于, 在第一资源上接收到 的第二 EPDCCH为循环冗余校验 CRC利用第一 RNTI加扰的 EPDCCH, 所述第一 RNTI由一组用户设备共享, 该组用户设备对应的传输带宽相同。
45、 根据权利要求 42所述的用户设备, 其特征在于, 所述确定单元用于根 据所述用户设备的传输带宽和所述至少两个 EPDCCH集合的配置信息, 从所述 至少两个 EPDCCH集合中确定需要监听 EPDCCH的 EPDCCH集合为对应的物理 资源块位于所述用户设备的传输带宽内的至少一个 EPDCCH集合; 或, 所述确定单元用于根据所述用户设备的传输带宽、 所述传输带宽的跳频图 样和所述至少两个增强物理下行控制信道 EPDCCH集合的配置信息, 从所述至 少两个 EPDCCH集合中确定需要监听 EPDCCH的至少一个 EPDCCH集合。
46、 根据权利要求 38所述的用户设备, 其特征在于, 所述确定模块用于在 第一资源上接收第四 EPDCCH,基于所述接收到的第四 EPDCCH承载的控制信息 和所述至少两个增强物理下行控制信道 EPDCCH集合的配置信息, 从所述至少 两个 EPDCCH集合中确定需要监听 EPDCCH的至少一个 EPDCCH集合。
47、 根据权利要求 39、 40或 43或 46任一项所述的用户设备, 其特征在于, 所述用户设备还包括: 广播信道接收模块, 用于接收广播信道, 根据广播信道 承载的广播消息, 获取该第一资源的位置。
48、 根据权利要求 39、 40或 43或 46任一项所述的用户设备, 其特征在于, 所述第一资源为第一子帧上的第一物理资源块集合, 所述第一子帧为承载 同步信号和 /或发现信号的子帧的下一子帧, 所述第一物理资源块集合的频域起 始位置与承载同步信号和 /或发现信号的物理资源块集合的频域起始位置相同; 或,
所述第一资源为第一子帧上的第一物理资源块集合, 所述第一子帧为承载 同步信号和 /或发现信号的子帧的下一子帧, 所述第一物理资源块集合的频域起 始位置与承载同步信号和 /或发现信号的物理资源块集合的频域起始位置存在预 定的偏移。
49、 根据权利要求 39、 40或 43或 46或 48任一项所述的用户设备, 其特征在 于, 所述第一资源对应的物理资源块对与所述至少两个 EPDCCH集合中一个 EPDCCH集合对应的物理资源块对相同。
50、 根据权利要求 39、 40或 43或 46或 48或 49任一项所述的用户设备, 其特 征在于, 所述第一资源对应的传输带宽小于或等于所述用户设备所支持的最大 传输带宽, 且所述用户设备所支持的最大传输带宽小于载波的下行传输带宽。
51、 权利要求 38所述的用户设备, 其特征在于, 所述监听模块用于若所述 用户设备可支持的最大传输带宽等于载波的下行传输带宽, 则所述至少一个 EPDCCH集合包括所述至少两个 EPDCCH集合中的每一个 EPDCCH集合,且所述 用户设备在所述至少一个 EPDCCH集中的每一个 EPDCCH集合对应的资源上监 听 EPDCCH的最大盲检测次数之和等于 EPDCCH公共搜索空间对应的盲检测次 数;
所述监听模块用于若所述用户设备可支持的最大传输带宽小于载波的下行 传输带宽,则所述至少一个 EPDCCH集合包括的 EPDCCH集合的个数小于所述至 少两个 EPDCCH集合包括的 EPDCCH集合的个数,且所述用户设备在所述至少一 个 EPDCCH集中的每一个 EPDCCH集合对应的资源上监听 EPDCCH的最大盲检 测次数之和等于 EPDCCH公共搜索空间对应的盲检测次数。
52、 根据权利要求 37所述的用户设备, 其特征在于, 所述 EPDCCH集合的 配置信息为 EPDCCH集合的资源块分配信息, 所述获取模块包括:
接收单元, 用于接收广播信道, 所述广播信道承载的广播消息包含指示 EPDCCH集合的资源分配的第一信息, 所述广播信道为物理广播信道或增强的 物理广播信道;
第一信息获取单元, 能够与获取广播消息中指示 EPDCCH集合的资源分配 的第一信息, 从而获得 EPDCCH集合的资源块分配信息。
53、 根据权利要求 52所述的用户设备, 其特征在于, 所述第一信息的信息 比特数与预设 N个物理资源块对对应, 所述 N的值对具有不同下行传输带宽的载 波均相同。
54、 根据权利要求 52或 53任一项所述的用户设备, 其特征在于, 所述确定 模块用于根据所述 EPDCCH集合的资源块分配信息,确定所述 EPDCCH集合中每 一个 EPDCCH集合对应的物理资源块对, 并确定所述 EPDCCH集合中每一个 EPDCCH集合均为所述用户设备需要监听 EPDCCH的 EPDCCH集合;
相应的,所述监听模块用于在需要监听 EPDCCH的 EPDCCH集合对应的物理 资源块对上监听 EPDCCH, 获取基站发送的控制信息。
55、 根据权利要求 54所述的用户设备, 其特征在于, 所述确定模块用于根 据所述 EPDCCH集合的资源块分配信息和预设的 N个物理资源块, 确定所述 EPDCCH集合中每一个 EPDCCH集合在 N个预设的物理资源块对内对应的物理 资源块对。
56、 权利要求 37至 55任一项所述的用户设备, 其特征在于, 所述用户设备 获取增强物理下行控制信道 EPDCCH集合的配置信息, 为用户设备获取增强物 理下行控制信道 EPDCCH公共搜索空间对应的增强物理下行控制信道 EPDCCH 集合的配置信息。
57、 一种基站, 其特征在于, 包括:
发送模块, 用于向用户设备发送增强物理下行控制信道 EPDCCH集合的配 置信息;
确定模块, 用于从所述配置信息配置的 EPDCCH集合中, 确定所述用户设 备需监听 EPDCCH的至少一个 EPDCCH集合;
EPDCCH发送模块, 用于在所述至少一个 EPDCCH集合对应的资源上发送 EPDCCH, 以将控制信息通知给所述用户设备。
58、 根据权利要求 57所述的基站, 其特征在于, 包括: 向用户设备发送 EPDCCH集合的配置信息,为基站向用户设备发送至少两个 EPDCCH集合的配置 信息; 所述配置信息配置的 EPDCCH集合, 为配置信息配置的至少两个 EPDCCH 集合。
59、 根据权利要求 57所述的基站, 其特征在于, 所述发送模块用于在第一 资源上向用户设备发送第一 EPDCCH,使得所述用户设备根据所述第一 EPDCCH 承载的控制信息, 获取所述至少两个 EPDCCH集合的配置信息; 或,
所述发送模块用于向用户设备发送广播信道, 使得所述用户设备根据所述 广播信道承载的广播消息, 获取所述至少两个 EPDCCH集合的配置信息。
60、 根据权利要求 59所述的基站, 其特征在于, 所述发送模块用于在第一 资源上向用户设备发送第一 EPDCCH,在所述第一 EPDCCH指示的资源上发送物 理下行共享信道 PDSCH, 所述 PDSCH承载所述至少两个 EPDCCH集合的配置信 息, 使得所述用户设备根据所述第一 EPDCCH对所述 PDSCH进行译码, 获取所 述至少两个 EPDCCH集合的配置信息; 或,
所述发送模块用于在第一资源上向用户设备发送第一 EPDCCH , 所述第一 EPDCCH承载的控制信息包含所述至少两个 EPDCCH集合的配置信息,使得所述 用户设备根据所述第一 EPDCCH承载的控制信息, 获取所述至少两个 EPDCCH 集合的配置信息。
61、 根据权利要求 59所述的基站, 其特征在于, 所述发送模块用于向所述 用户设备发送物理下行广播信道或增强的物理下行广播信道。
62、 根据权利要求 58所述的基站, 其特征在于, 所述发送模块用于向所述 用户设备发送传输带宽配置信息;
所述确定模块用于根据所述用户设备的传输带宽, 从所述配置信息配置的 至少两个 EPDCCH集合中, 确定所述用户设备需监听 EPDCCH的至少一个 EPDCCH集合。
63、 根据权利要求 62所述的基站, 其特征在于, 所述发送模块用于在第一 资源上向所述用户设备发送第二 EPDCCH , 使得所述用户设备根据所述第二 EPDCCH承载的控制信息, 获取传输带宽配置信息; 或,
所述发送模块用于在所述用户设备当前需监听 EPDCCH的 EPDCCH集合对 应的资源上发送第三 EPDCCH,使得所述用户设备根据所述第三 EPDCCH承载的 控制信息, 获取传输带宽配置信息。
64. 根据权利要求 62所述的基站, 其特征在于, 所述发送模块用于利用第 一 RNTI对第二 EPDCCH的循环冗余校验 CRC进行加扰, 并在第一资源上向所述 用户设备发送所述第二 EPDCCH, 所述第一 RNTI由一组用户设备共享, 该组用 户设备对应的传输带宽相同。
65、 根据权利要 62所述的基站, 其特征在于, 所述确定模块用于根据所述 用户设备的传输带宽, 从所述配置信息配置的至少两个 EPDCCH集合中, 确定 所述用户设备需监听 EPDCCH的至少一个 EPDCCH集合, 为所述至少两个 EPDCCH集合中对应的物理资源块位于所述用户设备的传输带宽内的至少一个 EPDCCH集合; 或,
所述确定模块用于根据所述用户设备的传输带宽和所述传输带宽的跳频图 样, 从所述配置信息配置的至少两个 EPDCCH集合中, 确定所述用户设备需监 听 EPDCCH的至少一个 EPDCCH集合。
66. 根据权利要 59、 60或 62至 65中任一项所述的基站, 其特征在于, 所述 发送模块, 还用于向所述用户设备发送广播消息, 所述广播消息携带所述第一 资源的位置指示信息。
67、 根据权利要求 59、 60或 62至 65中任一项所述的基站, 其特征在于, 所述第一资源为第一子帧上的第一物理资源块集合, 所述第一子帧为承载同步 信号和 /或发现信号的子帧的下一子帧, 所述第一物理资源块集合的频域起始位 置与承载同步信号和 /或发现信号的物理资源块集合的频域起始位置相同; 或, 所述第一资源为第一子帧上的第一物理资源块集合, 所述第一子帧为承载 同步信号和 /或发现信号的子帧的下一子帧, 所述第一物理资源块集合的频域起 始位置与承载同步信号和 /或发现信号的物理资源块集合的频域起始位置存在预 定的偏移。
68、 根据权利要求 59、 60或 62至 66中任一项所述的基站, 其特征在于, 所 述第一资源对应的物理资源块对与所述至少两个 EPDCCH集合中一个 EPDCCH 集合对应的物理资源块对相同。
69、 根据权利要求 59、 60或 62至 68中任一项所述的基站, 其特征在于, 所 述第一资源对应的传输带宽小于或等于所述用户设备所支持的最大传输带宽, 且所述用户设备所支持的最大传输带宽小于载波的下行传输带宽。
70、 根据权利要求 21所述的基站, 其特征在于, 所述发送模块用于发送广 播信道, 所述广播信道承载的广播消息包含指示 EPDCCH集合的资源分配的第 一信息, 通过发送所述广播信道发送 EPDCCH集合的资源块分配信息, 所述广 播信道为物理广播信道或增强的物理广播信道。
71、 根据权利要求 70所述的基站, 其特征在于, 所述第一信息的信息比特 数与预设 N个物理资源块对对应, 所述 N的值对具有不同下行传输带宽的载波均 相同。
72. 权利要求 57至 71任一项所述的基站, 其特征在于, 所述向用户设备发 送增强物理下行控制信道 EPDCCH集合的配置信息, 为基站向用户设备发送增 强物理下行控制信道 EPDCCH公共搜索空间对应的增强物理下行控制信道 EPDCCH集合的配置信息。
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