WO2016161856A1 - 下行信息接收方法、装置及用户设备 - Google Patents

下行信息接收方法、装置及用户设备 Download PDF

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Publication number
WO2016161856A1
WO2016161856A1 PCT/CN2016/074856 CN2016074856W WO2016161856A1 WO 2016161856 A1 WO2016161856 A1 WO 2016161856A1 CN 2016074856 W CN2016074856 W CN 2016074856W WO 2016161856 A1 WO2016161856 A1 WO 2016161856A1
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Prior art keywords
subframe
control channel
receiving
downlink control
message
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PCT/CN2016/074856
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English (en)
French (fr)
Inventor
张雯
夏树强
戴博
石靖
刘锟
陈宪明
方惠英
Original Assignee
中兴通讯股份有限公司
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Priority to US15/565,478 priority Critical patent/US20180176893A1/en
Publication of WO2016161856A1 publication Critical patent/WO2016161856A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/02—Details
    • H04L12/16—Arrangements for providing special services to substations
    • H04L12/18—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast
    • H04L12/189—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast in combination with wireless systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
    • H04W48/12—Access restriction or access information delivery, e.g. discovery data delivery using downlink control channel
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
    • H04W68/02—Arrangements for increasing efficiency of notification or paging channel
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0833—Random access procedures, e.g. with 4-step access
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
    • H04W68/005—Transmission of information for alerting of incoming communication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/20—Manipulation of established connections
    • H04W76/27—Transitions between radio resource control [RRC] states
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/40—Connection management for selective distribution or broadcast

Definitions

  • the present invention relates to the field of communications, and in particular, to a downlink information receiving method, apparatus, and user equipment.
  • MTC Machine Type Communication
  • UE User Equipment
  • M2M Machine to Machine
  • LTE Long-Term Evolution
  • LTE-Advance Long-Term Evolution Advance
  • MTC multi-class data services based on LTE/LTE-A will also be more attractive.
  • the MTC device is usually a low-cost device with a supported radio frequency (RF) bandwidth and a single receiving antenna.
  • RF radio frequency
  • the solution for coverage enhancement in the related art is to improve coverage by a large number of repetitions of certain channels.
  • the receiving bandwidth of the MTC UE is small, if multiple messages are sent in different narrowbands of the same subframe, such as a random access response (RAR), a paging message, a system message, a downlink data, and the like.
  • RAR random access response
  • the UE can only choose to receive a message on a narrowband.
  • the coverage enhancement scenario if the UE is not properly selected, the system may be inefficient.
  • an embodiment of the present invention provides a downlink information receiving method, apparatus, and user equipment.
  • a downlink information receiving method including: determining, according to at least one of the following, downlink information that is preferentially received: a UE state, a subframe type of a subframe that transmits downlink information, and an information type of downlink information. Receiving the downlink information.
  • the UE status includes at least one of the following: a random access procedure, a radio resource control (Radio Resource Control, RRC for short) idle state, an RRC connected state, a system message change period, and a multicast control.
  • the channel (Multicast Control CHannel, abbreviated as MCCH) is changed within the period.
  • the subframe type includes: a Multimedia Broadcast Multicast Service Single Frequency Network (MBSFN) subframe, or a non-MBSFN subframe.
  • MMSFN Multimedia Broadcast Multicast Service Single Frequency Network
  • the information type includes at least two of: a downlink control channel and/or a RAR for scheduling a random access response (RAR); and a message 4 for scheduling a random access procedure.
  • PMCH Physical Multicast Channel
  • the downlink control channel includes one of the following: a physical downlink control channel (Physical Downlink Control CHannel, abbreviated as PDCCH), and an enhanced physical downlink control channel (EPDCCH).
  • PDCCH Physical Downlink Control CHannel
  • EPDCCH enhanced physical downlink control channel
  • the MCCH change notification information and the PMCH further include at least one of the following: the MCCH change notification information and/or the narrowband information where the PMCH is located is an eNB in a system message block (SIB) or an MCCH.
  • SIB system message block
  • MCCH MCCH change notification information
  • the narrowband information in which the MCCH is located is notified by the eNB in the SIB; the narrowband information carrying the Multimedia Broadcast Multicast Service (MBMS) in the PMCH is notified by the eNB in the SIB or the MCCH.
  • MBMS Multimedia Broadcast Multicast Service
  • the method further includes: the multi-cell multicast coordination entity (MCE) notifying the eNB of the MCCH change notification information and/or the narrowband information of the PMCH and/or the MCCH and/or the bearer in the PMCH Narrowband information for the MBMS service.
  • MCE multi-cell multicast coordination entity
  • receiving the downlink information includes: preferentially detecting a downlink control channel for scheduling the RAR and/or receiving the RAR, before the UE is in the RAR time window in the random access procedure, and before the UE receives the RAR. .
  • receiving the downlink information includes: performing downlink detection of the scheduling message 4 on the downlink control channel of the detection scheduling message 4 and/or the subframe of the received message 4 in the random access procedure of the UE. Control channel and/or receive message 4.
  • receiving the downlink information includes: preferentially detecting a scheduled paging message on a subframe in which the UE is in an RRC idle state, detecting a downlink control channel of the scheduled paging message, and/or receiving a paging message.
  • a downlink control channel and/or a paging message wherein the downlink control channel for detecting the paging message and/or the subframe for receiving the paging message includes: an MBSFN subframe, or a non-MBSFN subframe.
  • the receiving the downlink information includes: in a RRC connected state, in a system message change period, and in a designated downlink control channel for detecting a paging message and/or receiving a paging message. Determining, on a subframe, a downlink control channel for scheduling a paging message and/or receiving a paging message; wherein, the designated downlink control channel for detecting the scheduled paging message and/or the subframe for receiving the paging message includes: an MBSFN subframe Or non-MBSFN subframes.
  • the specified downlink control channel for detecting the scheduled paging message and/or the subframe for receiving the paging message includes: detecting a downlink control channel and/or receiving a scheduled paging message after the first preset subframe and the first preset subframe in the system message change period, and before receiving the paging message The subframe of the paging message.
  • the first preset subframe includes a feature of one of the following: a number of subframes between a start subframe of the system message change period and the first preset subframe is a pre- a value; a number of subframes between the first preset subframe and the cut-off subframe of the system message change period is a preset value; and a start subframe of the system message change period to the first pre-
  • the number of opportunities for receiving the paging message between the subframes is preset; the number of opportunities for receiving the paging message between the first preset subframe and the cut subframe of the system message change period is preset. value.
  • the receiving the downlink information includes: detecting, after the UE receives the notification that the system message is changed, the system message change period, and before the UE correctly receives the system message, detecting the downlink of the scheduling system message.
  • the downlink control channel and/or the receiving system message of the scheduling system message are preferentially detected on the subframe of the control channel and/or the receiving system message; wherein the downlink control channel for detecting the scheduling system message and/or the subframe for receiving the system message includes: MBSFN subframe, or non-MBSFN subframe.
  • receiving the downlink information includes: receiving, after the UE has not received the notification that the system message is changed within a preset time, and detecting downlink control of the scheduling system message before the UE correctly receives the system message
  • the downlink control channel and/or the receiving system message of the scheduling system message are preferentially detected on the subframe of the channel and/or the receiving system message; wherein the downlink control channel for detecting the scheduling system message and/or the subframe for receiving the system message includes: MBSFN Subframe, or non-MBSFN subframe.
  • the receiving the downlink information includes: a time window in which the UE receives the PDSCH overlaps with a location of the specified time window, and a start position of the time window in which the UE receives the PDSCH is earlier than or equal to the specified
  • the start position of the time window, the PDSCH is preferentially received on the overlapped subframes; or the time window of the downlink control channel for scheduling the retransmission of the PDSCH and/or the PDSCH receiving the retransmission is overlapped with the position of the specified time window.
  • the UE detects that the downlink control channel for scheduling the retransmission of the PDSCH and/or the start position of the time window for receiving the retransmitted PDSCH is earlier than or equal to the start position of the specified time window, then on the overlapping subframes. , receive PDSCH preferentially.
  • the specified time window includes one of the following: the RAR time window of the RAR received by the UE; the downlink control channel of the UE detecting the paging message and/or the time of receiving the paging message a window; a time window in which the UE detects a downlink control channel of the scheduling system message and/or receives a system message; a time window in which the UE receives the PMCH; and a time window in which the UE detects the MCCH change notification information.
  • receiving the downlink information includes: preferentially receiving the PMCH on the specified MBSFN subframe in a case that the UE supports the multimedia broadcast multicast service.
  • receiving the downlink information includes: preferentially detecting the MCCH change notification information on the designated MBSFN subframe in one MCCH change period.
  • the specified MBSFN subframe includes: after the second preset subframe and the second preset subframe in the MCCH change period, and the MCCH change is detected by the UE The subframe in which the MCCH change notification information is received before the notification.
  • the second preset subframe includes a feature of one of the following: the number of subframes between the start subframe to the second preset subframe of the MCCH change period is preset a value of the number of subframes between the second preset subframe and the cut subframe of the MCCH change period is a preset value; the start subframe of the MCCH change period to the second preset subframe The number of opportunities for receiving the MCCH change notification information between the second preset subframe and the cut-off subframe of the MCCH change period is a preset value.
  • a downlink information receiving apparatus comprising: a determining module, configured to determine, according to at least one of the following, downlink information that is preferentially received: a UE state, a subframe of a subframe that transmits downlink information Type, information type of downlink information; receiving module, configured to receive the downlink information.
  • the UE status includes at least one of the following: a random access procedure, an RRC idle state, an RRC connected state, and a system message change period, within an MCCH change period.
  • the subframe type includes: an MBSFN subframe, or a non-MBSFN subframe.
  • the information type includes at least two of: a downlink control channel and/or a RAR for scheduling RAR; a downlink control channel and/or message 4 for scheduling message 4 in a random access procedure; scheduling paging a downlink control channel and/or a paging message of the message; a downlink control channel and/or a system message of the scheduling system message; a downlink control channel for scheduling the UE to transmit the PUSCH; and a downlink control channel and/or a station for scheduling the UE to send the PDSCH
  • the downlink control channel includes one of the following: a PDCCH and an EPDCCH.
  • the MCCH change notification information and the PMCH further include at least one of the following: the MCCH change notification information and/or the narrowband information where the PMCH is located is an eNB in a system message block (SIB) or an MCCH.
  • SIB system message block
  • MCCH MCCH change notification information
  • the narrowband information in which the MCCH is located is notified by the eNB in the SIB; the narrowband information carrying the Multimedia Broadcast Multicast Service (MBMS) in the PMCH is notified by the eNB in the SIB or the MCCH.
  • MBMS Multimedia Broadcast Multicast Service
  • the receiving module is configured to: before the UE is in the RAR time window in the random access procedure, and before the UE receives the RAR, preferentially detect the downlink control channel of the scheduled RAR and/or receive the RAR. .
  • the receiving module is configured to: preferentially detect the downlink of the scheduling message 4 on the downlink control channel of the detection scheduling message 4 and/or the subframe of the received message 4 in the random access procedure of the UE. Control channel and/or receive message 4.
  • the receiving module is configured to: preferentially detect a paging message when the UE is in an RRC idle state, in a downlink control channel that detects a paging message, and/or a subframe that receives a paging message.
  • a downlink control channel and/or a paging message wherein the downlink control channel for detecting the paging message and/or the subframe for receiving the paging message includes: an MBSFN subframe, or a non-MBSFN subframe.
  • the receiving module is configured to: in a RRC connected state, in a system message change period, and in a specified downlink control channel for detecting a paging message and/or receiving a paging message.
  • the specified downlink control channel for detecting the paging message and/or the subframe for receiving the paging message includes: a first preset subframe and the first in the system message change period A downlink control channel for detecting a paging message and/or a subframe for receiving a paging message after the preset subframe and before receiving the paging message.
  • the first preset subframe includes a feature of one of the following: a number of subframes between a start subframe of the system message change period and the first preset subframe is a pre- a value; a number of subframes between the first preset subframe and the cut-off subframe of the system message change period is a preset value; and a start subframe of the system message change period to the first pre-
  • the number of opportunities for receiving the paging message between the subframes is preset; the number of opportunities for receiving the paging message between the first preset subframe and the cut subframe of the system message change period is preset. value.
  • the receiving module is configured to: detect, after the UE receives the notification that the system message is changed, the system message change period, and before the UE correctly receives the system message, detect the downlink of the scheduling system message.
  • the downlink control channel and/or the receiving system message of the scheduling system message are preferentially detected on the subframe of the control channel and/or the receiving system message; wherein the downlink control channel for detecting the scheduling system message and/or the subframe for receiving the system message includes: MBSFN subframe, or non-MBSFN subframe.
  • the receiving module is configured to: when the UE has not received the notification that the system message is changed within a preset time, and before the UE correctly receives the system message, detect the downlink control of the scheduling system message.
  • the downlink control channel and/or the receiving system message of the scheduling system message are preferentially detected on the subframe of the channel and/or the receiving system message; wherein the downlink control channel for detecting the scheduling system message and/or the subframe for receiving the system message includes: MBSFN Subframe, or non-MBSFN subframe.
  • the receiving module is configured to: the time window in which the UE receives the PDSCH overlaps with the location of the specified time window, and the start position of the time window in which the UE receives the PDSCH is earlier than or equal to the specified
  • the start position of the time window, the PDSCH is preferentially received on the overlapped subframes; or the time window of the downlink control channel for scheduling the retransmission of the PDSCH and/or the PDSCH receiving the retransmission is overlapped with the position of the specified time window.
  • the UE detects that the downlink control channel for scheduling the retransmission of the PDSCH and/or the start position of the time window for receiving the retransmitted PDSCH is earlier than or equal to the start position of the specified time window, then on the overlapping subframes. , receive PDSCH preferentially.
  • the specified time window includes one of the following: the RAR time window of the RAR received by the UE; the downlink control channel of the UE detecting the paging message and/or the time of receiving the paging message a window; a time window in which the UE detects a downlink control channel of the scheduling system message and/or receives a system message; a time window in which the UE receives the PMCH; and a time window in which the UE detects the MCCH change notification information.
  • the receiving module is configured to: when the UE supports the multimedia broadcast multicast service, preferentially receive the PMCH on the specified MBSFN subframe.
  • the receiving module is configured to preferentially detect the MCCH change notification information on the specified MBSFN subframe in one MCCH change period.
  • the specified MBSFN subframe includes: after the second preset subframe and the second preset subframe in the MCCH change period, and the MCCH change is detected by the UE The subframe in which the MCCH change notification information is received before the notification.
  • the second preset subframe includes a feature of one of the following: the number of subframes between the start subframe to the second preset subframe of the MCCH change period is preset a value of the number of subframes between the second preset subframe and the cut subframe of the MCCH change period is a preset value; the start subframe of the MCCH change period to the second preset subframe The number of opportunities for receiving the MCCH change notification information between the second preset subframe and the cut-off subframe of the MCCH change period is a preset value.
  • a UE is further provided, including: the downlink information receiving apparatus described above.
  • the downlink information that is preferentially received is determined according to at least one of the following: the UE state, the subframe type of the subframe in which the downlink information is sent, and the information type of the downlink information; and the manner of receiving the downlink information,
  • the problem of inefficiently receiving multiple downlink information on a narrowband improves the efficiency of the UE receiving downlink information.
  • FIG. 1 is a flowchart of a downlink information receiving method according to an embodiment of the present invention
  • FIG. 2 is a schematic structural diagram of a downlink information receiving apparatus according to an embodiment of the present invention.
  • FIG. 3 is a schematic structural diagram 1 of a paging subframe according to a preferred embodiment of the present invention.
  • FIG. 4 is another schematic structural diagram of a paging subframe according to a preferred embodiment of the present invention.
  • FIG. 5 is another schematic structural diagram of a paging subframe according to a preferred embodiment of the present invention.
  • FIG. 6 is a schematic structural diagram of a time window according to a preferred embodiment of the present invention.
  • FIG. 7 is a block diagram showing still another structure of a time window in accordance with a preferred embodiment of the present invention.
  • the UE when multiple messages appear on multiple narrowbands of the system bandwidth, the UE needs to receive according to a preset priority for UEs that only support receiving on a narrowband over the full bandwidth. one of them.
  • the above-mentioned "only supports a UE that is received on a narrow band over the full bandwidth” may be a UE with a receiving capability of only a narrow band.
  • the system bandwidth is 20 megahertz (MHz)
  • the receiving capability of the UE is 1.4MHz, or the UE has the ability to receive full bandwidth, but receives restricted UEs; or when the system bandwidth is not one of the 1.4MHz, 3MHz, 5MHz, 10MHZ, 15MHz, 20MHz in the existing protocol, and Is an irregular bandwidth, such as 8MHz, then the UE can only select one of the 1.4MHz, 3MHz, 5MHz regular bandwidth to receive downlink information; or when multiple messages appear on the same narrowband of the system bandwidth, then only A UE that supports reception on a narrowband over full bandwidth and can only process one message, the UE needs to receive one of them according to a preset priority.
  • the embodiment of the present invention may also be used in the case where the receiving capability is full bandwidth, but only one of the messages can be received in one subframe. Also, it may not be limited to the above case in practical applications.
  • the embodiment of the present invention is not limited to the application in the transmission of the MTC UE, and includes, but is not limited to, a UE for other receiving capabilities smaller than the system bandwidth or a UE whose receiving bandwidth is limited.
  • FIG. 1 is a flowchart of a method for receiving downlink information according to an embodiment of the present invention. As shown in FIG. 1, the process includes the following steps:
  • Step S102 Determine, according to at least one of the following, downlink information that is preferentially received: a UE state, a subframe type of a subframe in which downlink information is sent, and an information type of downlink information;
  • Step S104 receiving downlink information.
  • the downlink information that should be preferentially received is determined in the downlink information to be received, and then the downlink information that is preferentially received is received, thereby solving the efficiency of the UE receiving multiple downlink information in a narrow band.
  • the low problem improves the efficiency of the UE receiving downlink information.
  • the UE status includes at least one of the following: a random access procedure, an RRC idle state, an RRC connected state, and a multicast control channel (MCCH) change period in a system message change period.
  • MCCH multicast control channel
  • the foregoing subframe type includes: an MBSFN subframe, or a non-MBSFN subframe.
  • the information type of the downlink information includes at least two of: a downlink control channel and/or a RAR that schedules the RAR; a downlink control channel and/or a message 4 of the message 4 in the scheduled random access procedure; and a paging message is scheduled.
  • the downlink control channel includes one of the following: a physical downlink control channel (Physical Downlink Control CHannel, abbreviated as PDCCH), and an enhanced physical downlink control channel (EPDCCH).
  • PDCCH Physical Downlink Control CHannel
  • EPDCCH enhanced physical downlink control channel
  • the downlink control channel in the embodiment of the present invention may also be a newly defined downlink control channel carrying downlink control information.
  • the MCCH change notification information and the PMCH further include at least one of the following: the MCCH change notification information and/or the narrowband information in which the PMCH is located is notified by the eNB in a System Message Block (SIB) or an MCCH; the narrowband information in which the MCCH is located is The eNB is notified in the SIB; the narrowband information carrying the Multimedia Broadcast Multicast Service (MBMS) in the PMCH is notified by the eNB in the SIB or MCCH.
  • SIB System Message Block
  • MBMS Multimedia Broadcast Multicast Service
  • the method further comprises: the Multi-Cell Multicast Coordination Entity (MCE) notifying the eNB of the MCCH change notification information and/or the narrowband information in which the PMCH and/or the MCCH are located and/or the narrowband information carrying the MBMS service in the PMCH.
  • MCE Multi-Cell Multicast Coordination Entity
  • the MCCH change notification information and the PMCH are both transmitted in a narrow band whose bandwidth is smaller than the system bandwidth, and the MCCH change notification information and/or the narrowband information in which the PMCH is located is notified by the eNB in the SIB or at the MCCH.
  • the narrowband information in which the MCCH is located is notified by the eNB in the SIB; the narrowband information carrying the MBMS service in the PMCH is notified by the eNB in the SIB or in the MCCH.
  • the multi-cell multicast coordination entity MCE notifies the eNB of the MCCH change notification information and/or the narrowband information where the PMCH and/or the MCCH are located and/or the narrowband information of the MBMS service carried in the PMCH.
  • the following describes an example of determining, by the UE, the downlink information that is preferentially received according to the UE status, the subframe type of the subframe in which the downlink information is sent, and the information type of the downlink information:
  • step S104 before the UE is in the RAR time window in the random access procedure, and before the UE receives the RAR, the downlink control channel for scheduling the RAR and/or the receiving RAR are preferentially detected.
  • step S104 the downlink control channel and/or the reception of the scheduling message 4 are preferentially detected on the downlink control channel of the detection scheduling message 4 and/or the subframe of the received message 4 in the random access procedure. Message 4.
  • the downlink control channel of the scheduled paging message is preferentially detected on the subframe in which the UE is in the RRC idle state, detects the downlink control channel of the scheduled paging message, and/or receives the paging message.
  • Receiving a paging message; wherein the downlink control channel for detecting the paging message and/or the subframe for receiving the paging message includes: an MBSFN subframe, or a non-MBSFN subframe.
  • step S104 priority detection is performed on the downlink control channel and/or the subframe in which the paging message is received in the RRC connected state, in a system message change period, and in the specified detection scheduling paging message.
  • Scheduling a downlink control channel of the paging message and/or receiving a paging message; wherein the designated downlink control channel for detecting the paging message and/or the subframe for receiving the paging message includes: an MBSFN subframe, or a non-MBSFN subframe .
  • the downlink control channel of the specified detection scheduling paging message and/or the subframe for receiving the paging message includes: after the first preset subframe and the first preset subframe in the system message change period, And detecting a downlink control channel of the scheduled paging message and/or receiving a subframe of the paging message before receiving the paging message.
  • the foregoing first preset subframe includes a feature of one of the following: the number of subframes between the start subframe of the system message change period and the first preset subframe is a preset value; The number of subframes between the cut-off subframes of the frame-to-system message change period is a preset value; the number of opportunities for receiving paging messages between the start subframe of the system message change period and the first preset subframe is preset. The value of the number of chances of receiving the paging message between the first preset subframe and the cut-off subframe of the system message change period is a preset value.
  • the downlink control channel and/or the receiving system message of the scheduling system message are detected in the system message change period after the UE receives the notification that the system message is changed, and before the UE correctly receives the system message.
  • the downlink control channel and/or the receiving system message of the scheduling system message are preferentially detected on the subframe; wherein the downlink control channel for detecting the scheduling system message and/or the subframe for receiving the system message includes: an MBSFN subframe, or a non-MBSFN sub-frame frame.
  • the UE does not receive the notification that the system message is changed within the preset time, and before the UE correctly receives the system message, detects the downlink control channel of the scheduling system message and/or receives the system message. Determining, in a subframe, a downlink control channel and/or a receiving system message of the scheduling system message; wherein, detecting a downlink control channel of the scheduling system message and/or receiving a system message, the subframe includes: an MBSFN subframe, or a non-MBSFN subframe .
  • the time window in which the UE receives the PDSCH overlaps with the position of the specified time window, and the start position of the time window in which the UE receives the PDSCH is earlier than or equal to the start position of the specified time window, and then overlaps.
  • the PDSCH is preferentially received; or the time window in which the UE detects the downlink control channel for scheduling the retransmission of the PDSCH and/or the PDSCH that receives the retransmission overlaps with the location of the specified time window, and the UE detects the downlink of the scheduled retransmission of the PDSCH.
  • the start position of the control channel and/or the time window of the received PDSCH is earlier than or equal to the start position of the specified time window, and then the PDSCH is preferentially received on the overlapped subframe.
  • the foregoing specified time window includes one of the following: the RAR time window in which the UE receives the RAR; the UE detects a downlink control channel for scheduling the paging message and/or a time window for receiving the paging message; and the UE detects the downlink control of the scheduling system message. a time window of the channel and/or receiving system message; a time window in which the UE receives the PMCH; a time window in which the UE detects the MCCH change notification message.
  • step S104 if the UE supports the multimedia broadcast multicast service, the PMCH is preferentially received on the designated MBSFN subframe.
  • step S104 the MCCH change notification information is preferentially detected in the designated MBSFN subframe in one MCCH change period.
  • the specified MBSFN subframe includes: a subframe that receives the MCCH change notification information after the second preset subframe and the second preset subframe in the MCCH change period, and before the UE detects the MCCH change notification. frame.
  • the foregoing second preset subframe includes a feature of one of the following: the number of subframes between the start subframe to the second preset subframe of the MCCH change period is a preset value; the second preset subframe The number of subframes between the cut subframes of the MCCH change period is a preset value; the number of chances of receiving the MCCH change notification information between the start subframe of the MCCH change period and the second preset subframe is a preset value; Receive MCCH change notification between the second preset subframe and the cut-off subframe of the MCCH change period The number of opportunities for information is a preset value.
  • a downlink information receiving apparatus is further provided to implement the foregoing embodiments and preferred embodiments.
  • the descriptions of the modules involved in the apparatus are described below.
  • the term "module” may implement a combination of software and/or hardware of a predetermined function.
  • the apparatus described in the following embodiments is preferably implemented in software, hardware, or a combination of software and hardware, is also possible and contemplated.
  • the apparatus includes: a determining module 22 and a receiving module 24, wherein the determining module 22 is configured to determine a priority according to at least one of the following
  • the received downlink information the UE status, the subframe type of the subframe in which the downlink information is sent, and the information type of the downlink information.
  • the receiving module 24 is coupled to the determining module 22 and configured to receive the downlink information.
  • the problem that the UE receives multiple downlink information in a narrow band is inefficient, and the efficiency of receiving downlink information by the UE is improved.
  • the UE status includes at least one of the following: a random access procedure, an RRC idle state, an RRC connected state, and a system message change period, within an MCCH change period.
  • the subframe type includes: an MBSFN subframe, or a non-MBSFN subframe.
  • the information type comprises at least two of: a downlink control channel and/or RAR for scheduling RAR; a downlink control channel and/or message 4 for scheduling message 4 in the random access procedure; and a downlink control channel for scheduling paging messages and / or paging message; scheduling downlink system control channel and / or system message; scheduling the UE to send the downlink control channel of the PUSCH; scheduling the UE to send the PDSCH downlink control channel and / or the UE's PDSCH; SPS PDSCH; scheduling retransmission Downlink control channel of PDSCH and/or PDSCH of retransmission; MCCH change notification information; PMCH.
  • a downlink control channel and/or RAR for scheduling RAR
  • a downlink control channel and/or message 4 for scheduling message 4 in the random access procedure
  • a downlink control channel for scheduling paging messages and / or paging message
  • scheduling downlink system control channel and / or system message scheduling the UE to send the downlink control channel of the
  • the downlink control channel includes one of the following: a physical downlink control channel, and an enhanced physical downlink control channel.
  • the MCCH change notification information and the PMCH further include at least one of the following: the MCCH change notification information and/or the narrowband information in which the PMCH is located is notified by the eNB in a System Message Block (SIB) or an MCCH; the narrowband information in which the MCCH is located is The eNB is notified in the SIB; the narrowband information carrying the Multimedia Broadcast Multicast Service (MBMS) in the PMCH is notified by the eNB in the SIB or MCCH.
  • SIB System Message Block
  • MBMS Multimedia Broadcast Multicast Service
  • the receiving module 24 is configured to preferentially detect a downlink control channel for scheduling the RAR and/or receive the RAR before the UE is in the RAR time window in the random access procedure and before the UE receives the RAR.
  • the receiving module 24 is configured to: preferentially detect the downlink control channel of the scheduling message 4 and/or on the downlink control channel of the detection scheduling message 4 and/or the subframe of the received message 4 in the random access procedure of the UE. Receive message 4.
  • the receiving module 24 is configured to preferentially detect the downlink control channel of the scheduled paging message and/or on the subframe in which the UE is in the RRC idle state, detects the downlink control channel of the scheduled paging message, and/or receives the paging message. Or receiving a paging message; wherein the downlink control channel for detecting the paging message and/or the subframe for receiving the paging message includes: an MBSFN subframe, or a non-MBSFN subframe.
  • the receiving module 24 is configured to: when the UE is in an RRC connected state, within a system message change period, and Dedicating a downlink control channel and/or receiving a paging message for scheduling a paging message on a downlink control channel of the specified scheduled paging message and/or a subframe receiving the paging message; wherein the designated detection scheduling page
  • the downlink control channel of the message and/or the subframe in which the paging message is received includes: an MBSFN subframe, or a non-MBSFN subframe.
  • the specified downlink control channel for detecting the paging message and/or the subframe for receiving the paging message includes: after the first preset subframe and the first preset subframe in the system message change period, and A downlink control channel for detecting a paging message and/or a subframe for receiving a paging message before receiving the paging message.
  • the first preset subframe includes a feature of one of the following: the number of subframes between the start subframe of the system message change period and the first preset subframe is a preset value; the first preset subframe is to The number of subframes between the cut subframes of the system message change period is a preset value; the number of chances of receiving the paging message between the start subframe of the system message change period and the first preset subframe is a preset value; The number of opportunities for receiving a paging message between the first preset subframe and the cut-off subframe of the system message change period is a preset value.
  • the receiving module 24 is configured to: detect a downlink control channel and/or a receiving system of the scheduling system message, before the UE receives the system message change period after receiving the notification that the system message is changed, and before the UE correctly receives the system message.
  • the downlink control channel and/or the receiving system message of the scheduling system message are preferentially detected on the subframe of the message; wherein the downlink control channel for detecting the scheduling system message and/or the subframe for receiving the system message includes: an MBSFN subframe, or a non-MBSFN Subframe.
  • the receiving module 24 is configured to detect a downlink control channel and/or receive a system message of the scheduling system message before the UE receives the notification that the system message has changed within a preset time and before the UE correctly receives the system message.
  • the downlink control channel and/or the receiving system message of the scheduling system message are preferentially detected on the subframe; wherein the downlink control channel for detecting the scheduling system message and/or the subframe for receiving the system message includes: an MBSFN subframe, or a non-MBSFN sub-frame frame.
  • the receiving module 24 is configured to: when the time window in which the UE receives the PDSCH overlaps with the position of the specified time window, and the start position of the time window in which the UE receives the PDSCH is earlier than or equal to the start position of the specified time window, then On the overlapping subframes, the PDSCH is preferentially received; or the time window in which the UE detects the downlink control channel for scheduling the retransmission of the PDSCH and/or the PDSCH that receives the retransmission overlaps with the location of the specified time window, and the UE detects the scheduled retransmission of the PDSCH.
  • the start position of the downlink control channel and/or the time window of the received PDSCH is earlier than or equal to the start position of the specified time window, and the PDSCH is preferentially received on the overlapped subframe.
  • the specified time window comprises one of: the UE receives the RAR time window of the RAR; the UE detects a downlink control channel of the scheduled paging message and/or a time window for receiving the paging message; and the UE detects the downlink control channel of the scheduling system message and / or a time window for receiving a system message; a time window in which the UE receives the PMCH; and a time window in which the UE detects the MCCH change notification message.
  • the receiving module 24 is configured to preferentially receive the PMCH on the designated MBSFN subframe if the UE supports the multimedia broadcast multicast service.
  • the receiving module 24 is configured to preferentially detect the MCCH change notification information on the designated MBSFN subframe within one MCCH change period.
  • the specified MBSFN subframe includes: a second preset subframe and a second preset in the MCCH change period.
  • the second preset subframe includes a feature of one of: a number of subframes between a start subframe to a second preset subframe of the MCCH change period is a preset value; and a second preset subframe to the MCCH
  • the number of subframes between the cut-off subframes of the change period is a preset value
  • the number of opportunities for receiving the MCCH change notification information between the start subframe of the MCCH change period and the second preset subframe is a preset value
  • the number of opportunities for receiving the MCCH change notification information between the preset subframe and the cut-off subframe of the MCCH change period is a preset value.
  • An embodiment of the present invention further provides a user equipment, including: the foregoing downlink information receiving apparatus.
  • each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the above integrated unit can be implemented in the form of hardware or in the form of a software functional unit.
  • the public message that needs to be received includes a paging message and a system message.
  • the two messages and/or the control information for scheduling the two messages may appear in the same subframe.
  • the UE should receive the paging message preferentially, because the paging message may include information such as the message that the UE is paged and the system message update. As shown in FIG. 3, in the subframe where the paging message is located, the two messages belong to different narrowbands, and the UE will frequency-modulate to the narrowband where the paging message is located to receive the paging message, that is, the narrowband of the oblique line portion.
  • the UE should preferentially detect the downlink control channel and receive the homing of the scheduled paging message. Call the message. As shown in FIG.
  • the UE in the subframe in which the downlink control channel and the paging message of the paging message are scheduled, the UE will be frequency-modulated to the downlink control channel of the paging message and the narrowband where the paging message is located to receive the scheduled paging message.
  • the downlink control channel and the paging message, the narrowband of the downlink control channel and the paging message for scheduling the paging message is the narrow band where the common search space (CSS) of the paging message is located, that is, the narrow band of the oblique line portion.
  • SCS common search space
  • the UE will k Compared with a threshold K, if k ⁇ K, the system message is received, otherwise it is not received, and K is a preset value, or is the value configured by the eNB, or the number of repetitions of the system message.
  • the UE should preferentially detect the downlink control channel and receive the homing of the scheduled paging message. Call the message.
  • the UE will be frequency-modulated to the downlink control channel of the paging message and the narrowband where the paging message is located to receive the scheduled paging message.
  • K is a preset value, or is the value configured by the eNB, or is a system message and/or Or the number of repetitions of the downlink control channel of the scheduling system message, and the like.
  • the downlink control channel for detecting the paging message and/or the subframe for receiving the paging message in the MBSFN subframe may have PMCH and/or MCCH in addition to the downlink control channel and/or system message of the scheduling system message.
  • the change notification information is sent on the subframe.
  • the UE still preferentially detects the downlink control channel of the scheduled paging message and/or receives the paging message.
  • the UE In the process of random access of the UE, the UE first sends a preamble, and then receives the RAR in a time window. This time window is called a RAR time window, and the eNB selects one or more subframes in the time window to send.
  • the RAR corresponding to the UE and/or the downlink control channel for scheduling the RAR.
  • the size of the time window is configured by the eNB or is preset.
  • the content that the eNB may send to the UE may also include at least one of: a downlink control channel and/or a system message of a scheduling system message, a downlink control channel and a paging message for scheduling a paging message, and a scheduling station.
  • the UE transmits a downlink control channel of the PUSCH, and schedules a downlink control channel in which the UE receives the PDSCH and/or a PDSCH of the UE.
  • the random access here includes both contention for random access and non-contention for random access.
  • the content that the eNB sends to the UE may also include PMCH and/or MCCH change notification information.
  • the UE should preferentially receive the RAR before the RAR is received correctly within the RAR time window in which the UE receives the RAR.
  • the UE preferentially receives the RAR on the narrowband where the RAR is located; if the RAR is the downlink control channel scheduled transmission, the UE preferentially detects the scheduled RAR on the downlink control channel in which the RAR is scheduled and/or the narrowband in which the RAR is located. Downlink control channel and/or receive RAR.
  • the downlink control channel for scheduling the RAR is repeated several times, the ending subframe is n, and the starting subframe of the RAR is at n+k, where k>0
  • the UE compares k with a threshold K. If k ⁇ K, it receives other messages and/or detects a downlink control channel that schedules the other messages.
  • K is A preset value, or a value configured by the eNB, or the number of repetitions of the downlink message and the other messages and/or the downlink control channel for scheduling the other messages.
  • the UE when the UE receives the RAR and then sends the message 3, and then receives the message 4 sent by the eNB, the UE is detected on the downlink control channel of the scheduling message 4 and/or the subframe of the received message 4.
  • Priority detection scheduling The downlink control channel of interest 4 and/or the reception of message 4.
  • the UE When the UE is in the connected state, the UE still needs to receive a paging message to obtain information such as whether the system message has changed, and the Earthquake and Tsunami Warning System (ETWS) and the commercial mobile alert service (Commercial).
  • the UE of the Mobile Alert Service (CMAS) needs to receive the paging message to obtain information about whether the ETWS and the CMAS are alerted. If the UE detects a change in the system message, it will re-receive the system message during the next system message change period.
  • EWS Earthquake and Tsunami Warning System
  • CMAS Mobile Alert Service
  • the message that the eNB may send to the UE may also include at least one of: a downlink control channel and/or a system message for scheduling system messages, a downlink control channel for scheduling paging messages, and/or paging. And the downlink control channel for scheduling the UE to send the PUSCH, the downlink control channel for scheduling the PDSCH, and/or the PDSCH of the UE, the downlink control channel for scheduling the RAR, and/or the RAR.
  • the content that the eNB sends to the UE may also include PMCH and/or MCCH change notification information.
  • a threshold value is defined, and the downlink control channel and/or the paging message for detecting the paging message are detected after the threshold value (including the threshold value) in the system message change period.
  • the UE preferentially receives the paging message before receiving the paging message.
  • the UE preferentially receives the paging message on the narrowband where the paging message is located; if the paging message is scheduled to be transmitted by the downlink control channel, In the subframe in which the paging message and the downlink control channel of the paging message are located, the UE preferentially detects the downlink control channel of the scheduled paging message and/or the narrowband of the paging message, and detects the downlink control channel of the scheduled paging message. / or receive a paging message.
  • the system message change period is 256 radio frames
  • the threshold is 200 radio frames
  • 200 radio frames (including the 200th radio frame) in a system message change period may also be defined as Previously
  • the threshold value may also be defined as the number of chances of receiving the paging message remaining in the system message change period, where the number of opportunities for receiving the paging message may be the number of subframes receiving the paging message, or when the paging message is When the transmission is repeated, for example, 10 times, the paging message repeated 10 times can also be regarded as a chance of paging messages.
  • the threshold value may be the above-mentioned N value or a preset value. For example, if the threshold is 4, when the UE is in a system message change period, if the remaining chances of receiving the paging message are only 4 times, the UE receives the paging before the UE receives the paging message. The priority of the downlink control channel of the message and/or the detection of the scheduled paging message is high.
  • the downlink control channel is transmitted, and the UE compares k with a threshold K.
  • K is a preset value, Either the value configured by the eNB, or the number of repetitions of the downlink control channel of other messages and/or other messages, and the like.
  • the system message should be preferentially received before the system message is received normally in the next system message change period. That is, on the downlink control channel of the scheduling system message and/or the subframe in which the system message is located in the next system message change period, the UE should receive the system message preferentially without receiving other information.
  • the message that the eNB may send to the UE may also include at least one of: scheduling a downlink control channel and/or RAR of the RAR, a downlink control channel and a paging message for scheduling the paging message, and scheduling a downlink control channel for the UE to send the PUSCH. And scheduling, by the UE, a downlink control channel of the PDSCH and/or a PDSCH of the UE.
  • the UE when the UE does not receive the notification of the system message change within a preset time, the UE should receive the system message preferentially. For example, if the preset time is 5 hours, if 5 hours have elapsed, then if the downlink control channel of the scheduling system message and/or the subframe where the system message is located, if there is a downlink control channel for scheduling RAR and/or If the RAR needs to receive, the RAR should be received preferentially. Otherwise, the UE should receive the system message preferentially without receiving other information.
  • the downlink control channel is transmitted, and the UE compares k with a threshold K. If k ⁇ K, it receives other messages and/or detects a downlink control channel that schedules the other messages. Otherwise, it does not receive other messages or detects downlink control for scheduling other messages.
  • the channel, K is a preset value, or a value configured by the eNB, or the number of repetitions of other messages and/or downlink control channels for scheduling other messages, and the like.
  • the UE receives the time window of the PDSCH or the UE detects that the downlink control channel of the retransmitted PDSCH and/or the location of the received retransmitted PDSCH and the specified time window overlap, and the UE receives the time window of the PDSCH or the UE detects the scheduled retransmission of the PDSCH.
  • the downlink control channel and/or the start position of the PDSCH receiving the retransmission is earlier than or equal to the start position of the specified time window, and the UE preferentially receives the PDSCH on the overlapped subframe.
  • the time window in which the UE receives the PDSCH may be a time window in which the UE scheduled by the downlink control channel of the UE receives the PDSCH.
  • the eNB schedules the UE to receive 10 repeated PDSCHs in the next 10 subframes, and the time window in which the UE receives the PDSCH is 10 subframes, or may be a time window in which the UE correctly receives the PDSCH.
  • the eNB schedules the UE to receive 10 repeated PDSCHs in the next 10 subframes, the UE correctly receives the PDSCH after receiving 6 subframes, then the UE The time window for receiving the PDSCH is these 6 subframes.
  • the UE detects that the downlink control channel for scheduling the retransmission of the PDSCH and/or the PDSCH for receiving the retransmission is similar to the definition of the time window for the UE to receive the PDSCH.
  • the specified time window refers to the RAR time window in which the UE receives the RAR, and the RAR time window is defined as described in the second embodiment; or the downlink control channel of the UE detection degree paging message and/or the time window of receiving the paging message, where the UE
  • the time window of the downlink control channel and/or the paging message for detecting the paging message may be a time window configured by the eNB or preset to receive the paging message, similar to the RAR time window, or may be sent by the eNB once.
  • a subframe of a paging message such as an eNB
  • the downlink control channel and the paging message for sending the scheduling paging message are sent in one subframe, and then the downlink control channel of the UE detection paging message and/or the time window for receiving the paging message is the subframe, or the eNB
  • the sent paging message is repeatedly sent.
  • the downlink control channel and the paging message for scheduling the paging message occupy a total of 20 subframes, and then the 20 subframes are time windows for the UE to receive the paging message; or the UE detects the scheduling system.
  • time window of the downlink control channel of the message and/or a system message, the time window being defined like a time window for receiving the paging message; or a time window for the UE to receive the PMCH or a time window for the UE to detect the MCCH change notification message For example, if the PMCH is transmitted within one MBSFN subframe, then the time window is one subframe.
  • the time window in which the UE receives the PDSCH overlaps with the RAR time window, and the start position of the time window of the PDSCH is earlier than the RAR time window.
  • the UE should preferentially receive the PDSCH.
  • the PMCH and MCCH change indication information shall be sent in one or more narrowbands of the system bandwidth.
  • the message that the eNB may send to the UE may further include at least one of: a downlink control channel and/or a system message for scheduling a system message, a downlink control channel for scheduling a paging message, and Or a paging message, a downlink control channel and/or RAR for scheduling the RAR, a downlink control channel for scheduling the UE to transmit the PUSCH, a downlink control channel for scheduling the UE to receive the PDSCH, and/or a PDSCH of the UE.
  • the PMCH sent by the eNB to the UE may be important information, such as the alarm information sent to the MTC UE or the upgrade information. Then, in the specified MBSFN subframe, the UE should preferentially receive the PMCH, where the specified MBSFN subframe is required by the UE.
  • the MBSFN subframe of the PMCH transmitted by the eNB is received.
  • the MBSFN subframe specified here is a subset of the MBSFN subframe of the cell.
  • the eNB may send MCCH change information to the UE in some MBSFN subframes, and the MCCH change information is periodically sent multiple times during the MCCH change period.
  • the MCCH change information is used to indicate whether the MCCH has changed. If a change occurs, the UE needs to receive the MCCH information in the next MCCH change period. During an MCCH change period, the UE shall preferentially receive MCCH change notification information on the designated MBSFN subframe.
  • the specified MBSFN subframe refers to the MCCH change notification information that is received after the UE detects the change of the MCCH in the MCCH change period, after a preset subframe (including the preset subframe). Subframe.
  • the number of subframes between the start subframe and the preset subframe of the MCCH change period is a preset value, or the number of subframes between the preset subframe and the cut subframe of the MCCH change period is The preset value, or the number of opportunities for receiving the MCCH change notification information between the preset subframe and the cut-off subframe of the MCCH change period is a preset value, or the start subframe of the MCCH change period to the pre- It is assumed that the number of opportunities for receiving MCCH change notification information between subframes is a preset value.
  • the eNB When the eNB activates the SPS downlink retransmission to the UE, the eNB sends the PDSCH to the UE according to the configured period.
  • the present invention refers to the PDSCH of the SPS, and the UE receives the time window of the PDSCH of the SPS and the UE detects the scheduled retransmission message.
  • the time window of the row control channel and/or the received retransmission information overlaps, and the UE detects the downlink control channel of the scheduled retransmission message and/or the start position of the time window for receiving the retransmission information is equal to or earlier than the PDSCH of the UE receiving the SPS.
  • the time window, the UE preferentially receives the downlink control channel and/or receives the retransmission information that the UE detects the scheduled retransmission message. As shown in Figure 7.
  • the present invention defines the receiving priority of the UE in different scenarios, thereby improving system efficiency.
  • a storage medium is further provided, wherein the software includes the above-mentioned software, including but not limited to: an optical disk, a floppy disk, a hard disk, an erasable memory, and the like.
  • modules or steps of the present invention described above can be implemented by a general-purpose computing device that can be centralized on a single computing device or distributed across a network of multiple computing devices. Alternatively, they may be implemented by program code executable by the computing device such that they may be stored in the storage device by the computing device and, in some cases, may be different from the order herein.
  • the steps shown or described are performed, or they are separately fabricated into individual integrated circuit modules, or a plurality of modules or steps thereof are fabricated as a single integrated circuit module.
  • the invention is not limited to any specific combination of hardware and software.
  • the foregoing technical solution provided by the embodiment of the present invention may be applied to the downlink information receiving process, and the downlink information that is preferentially received according to at least one of the following is determined: the UE state, the subframe type of the subframe in which the downlink information is sent, and the downlink information.
  • the information type the manner of receiving the downlink information solves the problem that the UE is inefficient in receiving multiple downlink information on a narrowband, and improves the efficiency of the UE receiving downlink information.

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Abstract

本发明提供了一种下行信息接收方法、装置及用户设备，其中，该方法包括：根据以下至少之一确定优先接收的下行信息：用户设备状态、发送下行信息的子帧的子帧类型、下行信息的信息类型；接收下行信息。通过本发明，解决了用户设备在一个窄带上收多个下行信息的效率低下的问题，提高了用户设备接收下行信息的效率。

Description

下行信息接收方法、装置及用户设备 技术领域
本发明涉及通信领域，具体而言，涉及一种下行信息接收方法、装置及用户设备。
背景技术
机器类型通信(Machine Type Communication，简称为MTC)用户终端(User Equipment，简称UE，又称为用户设备或用户终端)，又称，机器到机器(Machine to Machine，简称为M2M)用户通信设备，是目前物联网的主要应用形式。
近年来，由于长期演进(Long-Term Evolution，简称为LTE)/高级长期演进***(Long-Term Evolution Advance，简称为LTE-Advance或LTE-A)的频谱效率高，越来越多的移动运营商选择LTE/LTE-A作为宽带无线通信***的演进方向。基于LTE/LTE-A的MTC多种类数据业务也将更具吸引力。
MTC设备通常是低成本的设备，具有支持的射频(Radio Frequency，简称为RF)带宽比较小、单接收天线等特征。有一类MTC设备，比如电表等，可能被放置在地下室的铁皮柜中，覆盖非常差，在相关技术中针对覆盖增强的解决方案是通过对某些信道的大量重复来提升覆盖。
然而，由于MTC UE的接收带宽较小，如果多个消息在同一个子帧的不同窄带上发送，如随机接入响应(Random Access Response，简称为RAR)、寻呼消息、***消息、下行数据等，UE只能选择接收一个窄带上的消息。在覆盖增强场景下，如果UE选择不当，可能造成***效率低下。
针对相关技术中UE在一个窄带上收多个下行信息的效率低下的问题，目前尚未提出有效的解决方案。
发明内容
为了解决上述技术问题，本发明实施例提供了一种下行信息接收方法、装置及用户设备。
根据本发明的一个实施例，提供了一种下行信息接收方法，包括：根据以下至少之一确定优先接收的下行信息：UE状态、发送下行信息的子帧的子帧类型、下行信息的信息类型；接收所述下行信息。
在本发明实施例中，所述UE状态包括以下至少之一：随机接入过程，无线资源控制(Radio Resource Control，简称为RRC)空闲态，RRC连接态，***消息变更周期内，多播控制信道(Multicast Control CHannel，简称为MCCH)变更周期内。
在本发明实施例中，所述子帧类型包括：多播/组播单频网络(Multimedia Broadcast Multicast Service single Frequency Network，简称为MBSFN)子帧、或非MBSFN子帧。
在本发明实施例中，所述信息类型包括以下至少两个：调度随机接入响应(Random Access Response，简称为RAR)的下行控制信道和/或RAR；调度随机接入过程中的消息4的下行控制信道和/或消息4；调度寻呼消息的下行控制信道和/或寻呼消息；调度***消息的下行控制信道和/或***消息；调度所述UE发送物理上行共享信道(Physical Uplink Shared CHannel，简称为PUSCH)的下行控制信道；调度所述UE发送物理下行共享信道(Physical Downlink Shared CHannel，简称为PDSCH)的下行控制信道和/或所述UE的PDSCH；半静态调度(Semi-Persistent Scheduling，简称为SPS)的PDSCH；调度重传PDSCH的下行控制信道和/或重传的PDSCH；MCCH变更通知信息；物理层广播信道(Physical Multicast Channel，简称为PMCH)。
在本发明实施例中，所述下行控制信道包括以下之一：物理下行控制信道(Physical Downlink Control CHannel，简称为PDCCH)、增强的物理下行控制信道(EPDCCH)。
在本发明实施例中，所述MCCH变更通知信息和所述PMCH，还包括以下至少之一：所述MCCH变更通知信息和/或PMCH所在的窄带信息是eNB在***消息块(SIB)或者MCCH中通知的；所述MCCH所在的窄带信息是eNB在SIB中通知的；所述PMCH中承载多媒体广播多播业务(MBMS)的窄带信息是eNB在SIB或者MCCH中通知的。
在本发明实施例中，所述方法还包括：多小区多播协调实体(MCE)通知eNB所述MCCH变更通知信息和/或PMCH和/或MCCH所在的窄带信息和/或所述PMCH中承载MBMS业务的窄带信息。
在本发明实施例中，接收所述下行信息包括：在UE处于随机接入过程中的RAR时间窗内、且所述UE接收到RAR之前，优先检测调度RAR的下行控制信道和/或接收RAR。
在本发明实施例中，接收所述下行信息包括：在UE处于随机接入过程中的在检测调度消息4的下行控制信道和/或接收消息4的子帧上，优先检测调度消息4的下行控制信道和/或接收消息4。
在本发明实施例中，接收所述下行信息包括：在UE处于RRC空闲态、在检测调度寻呼消息的下行控制信道和/或接收寻呼消息的子帧上，优先检测调度寻呼消息的下行控制信道和/或接收寻呼消息；其中，检测调度寻呼消息的下行控制信道和/或接收寻呼消息的子帧包括：MBSFN子帧、或者非MBSFN子帧。
在本发明实施例中，接收所述下行信息包括：在UE处于RRC连接态、在一个***消息变更周期内、且在指定的检测调度寻呼消息的下行控制信道和/或接收寻呼消息的子帧上，优先检测调度寻呼消息的下行控制信道和/或接收寻呼消息；其中，指定的检测调度寻呼消息的下行控制信道和/或接收寻呼消息的子帧包括：MBSFN子帧、或者非MBSFN子帧。
在本发明实施例中，指定的检测调度寻呼消息的下行控制信道和/或接收寻呼消息的子帧 包括：在所述***消息变更周期内的第一预设子帧及所述第一预设子帧之后、且在接收到寻呼消息之前的检测调度寻呼消息的下行控制信道和/或接收寻呼消息的子帧。
在本发明实施例中，所述第一预设子帧包括以下之一的特征：所述***消息变更周期的起始子帧到所述第一预设子帧之间的子帧数目为预设值；所述第一预设子帧到所述***消息变更周期的截止子帧之间的子帧数目为预设值；所述***消息变更周期的起始子帧到所述第一预设子帧之间的接收寻呼消息的机会数为预设值；所述第一预设子帧到所述***消息变更周期的截止子帧之间的接收寻呼消息的机会数为预设值。
在本发明实施例中，接收所述下行信息包括：在UE接收到了***消息发生变更的通知之后的***消息变更周期内、且在所述UE正确接收***消息之前的、检测调度***消息的下行控制信道和/或接收***消息的子帧上，优先检测调度***消息的下行控制信道和/或接收***消息；其中，检测调度***消息的下行控制信道和/或接收***消息的子帧包括：MBSFN子帧、或者非MBSFN子帧。
在本发明实施例中，接收所述下行信息包括：在UE在预设时间内尚未接收到***消息发生变更的通知、且在所述UE正确接收***消息之前的、检测调度***消息的下行控制信道和/或接收***消息的子帧上，优先检测调度***消息的下行控制信道和/或接收***消息；其中，检测调度***消息的下行控制信道和/或接收***消息的子帧包括：MBSFN子帧、或者非MBSFN子帧。
在本发明实施例中，接收所述下行信息包括：在UE接收PDSCH的时间窗与指定时间窗的位置有重叠，且所述UE接收PDSCH的时间窗的起始位置早于或者等于所述指定时间窗的起始位置，则在重叠的子帧上，优先接收PDSCH；或者在UE检测调度重传PDSCH的下行控制信道和/或接收重传的PDSCH的时间窗与指定时间窗的位置有重叠，且所述UE检测调度重传PDSCH的下行控制信道和/或接收重传的PDSCH的时间窗的起始位置早于或者等于所述指定时间窗的起始位置，则在重叠的子帧上，优先接收PDSCH。
在本发明实施例中，所述指定时间窗包括以下之一：所述UE接收RAR的RAR时间窗；所述UE检测调度寻呼消息的下行控制信道和/或接收所述寻呼消息的时间窗；所述UE检测调度***消息的下行控制信道和/或接收***消息的时间窗；所述UE接收PMCH的时间窗；所述UE检测MCCH变更通知信息的时间窗。
在本发明实施例中，接收所述下行信息包括：在UE支持多媒体广播多播业务的情况下，在指定的MBSFN子帧上，优先接收PMCH。
在本发明实施例中，接收所述下行信息包括：在一个MCCH变更周期内，在指定的MBSFN子帧上，优先检测MCCH变更通知信息。
在本发明实施例中，所述指定的MBSFN子帧包括：在所述MCCH变更周期内的第二预设子帧及所述第二预设子帧之后、且在所述UE检测到MCCH变更通知之前的接收MCCH变更通知信息的子帧。
在本发明实施例中，所述第二预设子帧包括以下之一的特征：所述MCCH变更周期的起始子帧到所述第二预设子帧之间的子帧数目为预设值；所述第二预设子帧到所述MCCH变更周期的截止子帧之间的子帧数目为预设值；所述MCCH变更周期的起始子帧到所述第二预设子帧之间的接收MCCH变更通知信息的机会数为预设值；所述第二预设子帧到所述MCCH变更周期的截止子帧之间的接收MCCH变更通知信息的机会数为预设值。
根据本发明的另一个实施例，还提供了一种下行信息接收装置，包括：确定模块，设置为根据以下至少之一确定优先接收的下行信息：UE状态、发送下行信息的子帧的子帧类型、下行信息的信息类型；接收模块，设置为接收所述下行信息。
在本发明实施例中，所述UE状态包括以下至少之一：随机接入过程，RRC空闲态，RRC连接态，***消息变更周期内，MCCH变更周期内。
在本发明实施例中，所述子帧类型包括：MBSFN子帧、或非MBSFN子帧。
在本发明实施例中，所述信息类型包括以下至少两个：调度RAR的下行控制信道和/或RAR；调度随机接入过程中的消息4的下行控制信道和/或消息4；调度寻呼消息的下行控制信道和/或寻呼消息；调度***消息的下行控制信道和/或***消息；调度所述UE发送PUSCH的下行控制信道；调度所述UE发送PDSCH的下行控制信道和/或所述UE的PDSCH；SPS的PDSCH；调度重传PDSCH的下行控制信道和/或重传的PDSCH；MCCH变更通知信息；PMCH。
在本发明实施例中，所述下行控制信道包括以下之一：PDCCH、EPDCCH。
在本发明实施例中，所述MCCH变更通知信息和所述PMCH，还包括以下至少之一：所述MCCH变更通知信息和/或PMCH所在的窄带信息是eNB在***消息块(SIB)或者MCCH中通知的；所述MCCH所在的窄带信息是eNB在SIB中通知的；所述PMCH中承载多媒体广播多播业务(MBMS)的窄带信息是eNB在SIB或者MCCH中通知的。
在本发明实施例中，所述接收模块设置为：在UE处于随机接入过程中的RAR时间窗内、且所述UE接收到RAR之前，优先检测调度RAR的下行控制信道和/或接收RAR。
在本发明实施例中，所述接收模块设置为：在UE处于随机接入过程中的在检测调度消息4的下行控制信道和/或接收消息4的子帧上，优先检测调度消息4的下行控制信道和/或接收消息4。
在本发明实施例中，所述接收模块设置为：在UE处于RRC空闲态、在检测调度寻呼消息的下行控制信道和/或接收寻呼消息的子帧上，优先检测调度寻呼消息的下行控制信道和/或接收寻呼消息；其中，检测调度寻呼消息的下行控制信道和/或接收寻呼消息的子帧包括：MBSFN子帧、或者非MBSFN子帧。
在本发明实施例中，所述接收模块设置为：在UE处于RRC连接态、在一个***消息变更周期内、且在指定的检测调度寻呼消息的下行控制信道和/或接收寻呼消息的子帧上，优先 检测调度寻呼消息的下行控制信道和/或接收寻呼消息；其中，指定的检测调度寻呼消息的下行控制信道和/或接收寻呼消息的子帧包括：MBSFN子帧、或者非MBSFN子帧。
在本发明实施例中，指定的检测调度寻呼消息的下行控制信道和/或接收寻呼消息的子帧包括：在所述***消息变更周期内的第一预设子帧及所述第一预设子帧之后、且在接收到寻呼消息之前的检测调度寻呼消息的下行控制信道和/或接收寻呼消息的子帧。
在本发明实施例中，所述第一预设子帧包括以下之一的特征：所述***消息变更周期的起始子帧到所述第一预设子帧之间的子帧数目为预设值；所述第一预设子帧到所述***消息变更周期的截止子帧之间的子帧数目为预设值；所述***消息变更周期的起始子帧到所述第一预设子帧之间的接收寻呼消息的机会数为预设值；所述第一预设子帧到所述***消息变更周期的截止子帧之间的接收寻呼消息的机会数为预设值。
在本发明实施例中，所述接收模块设置为：在UE接收到了***消息发生变更的通知之后的***消息变更周期内、且在所述UE正确接收***消息之前的、检测调度***消息的下行控制信道和/或接收***消息的子帧上，优先检测调度***消息的下行控制信道和/或接收***消息；其中，检测调度***消息的下行控制信道和/或接收***消息的子帧包括：MBSFN子帧、或者非MBSFN子帧。
在本发明实施例中，所述接收模块设置为：在UE在预设时间内尚未接收到***消息发生变更的通知、且在所述UE正确接收***消息之前的、检测调度***消息的下行控制信道和/或接收***消息的子帧上，优先检测调度***消息的下行控制信道和/或接收***消息；其中，检测调度***消息的下行控制信道和/或接收***消息的子帧包括：MBSFN子帧、或者非MBSFN子帧。
在本发明实施例中，所述接收模块设置为：在UE接收PDSCH的时间窗与指定时间窗的位置有重叠，且所述UE接收PDSCH的时间窗的起始位置早于或者等于所述指定时间窗的起始位置，则在重叠的子帧上，优先接收PDSCH；或者在UE检测调度重传PDSCH的下行控制信道和/或接收重传的PDSCH的时间窗与指定时间窗的位置有重叠，且所述UE检测调度重传PDSCH的下行控制信道和/或接收重传的PDSCH的时间窗的起始位置早于或者等于所述指定时间窗的起始位置，则在重叠的子帧上，优先接收PDSCH。
在本发明实施例中，所述指定时间窗包括以下之一：所述UE接收RAR的RAR时间窗；所述UE检测调度寻呼消息的下行控制信道和/或接收所述寻呼消息的时间窗；所述UE检测调度***消息的下行控制信道和/或接收***消息的时间窗；所述UE接收PMCH的时间窗；所述UE检测MCCH变更通知信息的时间窗。
在本发明实施例中，所述接收模块设置为：在UE支持多媒体广播多播业务的情况下，在指定的MBSFN子帧上，优先接收PMCH。
在本发明实施例中，所述接收模块设置为：在一个MCCH变更周期内，在指定的MBSFN子帧上，优先检测MCCH变更通知信息。
在本发明实施例中，所述指定的MBSFN子帧包括：在所述MCCH变更周期内的第二预设子帧及所述第二预设子帧之后、且在所述UE检测到MCCH变更通知之前的接收MCCH变更通知信息的子帧。
在本发明实施例中，所述第二预设子帧包括以下之一的特征：所述MCCH变更周期的起始子帧到所述第二预设子帧之间的子帧数目为预设值；所述第二预设子帧到所述MCCH变更周期的截止子帧之间的子帧数目为预设值；所述MCCH变更周期的起始子帧到所述第二预设子帧之间的接收MCCH变更通知信息的机会数为预设值；所述第二预设子帧到所述MCCH变更周期的截止子帧之间的接收MCCH变更通知信息的机会数为预设值。
根据本发明的另一个实施例，还提供了一种UE，包括：上述的下行信息接收装置。
通过本发明实施例，采用根据以下至少之一确定优先接收的下行信息：UE状态、发送下行信息的子帧的子帧类型、下行信息的信息类型；接收该下行信息的方式，解决了UE在一个窄带上收多个下行信息的效率低下的问题，提高了UE接收下行信息的效率。
附图说明
此处所说明的附图用来提供对本发明的进一步理解，构成本申请的一部分，本发明的示意性实施例及其说明用于解释本发明，并不构成对本发明的不当限定。在附图中：
图1是根据本发明实施例的下行信息接收方法的流程图；
图2是根据本发明实施例的下行信息接收装置的结构示意图；
图3是根据本发明优选实施例的寻呼子帧的结构示意图一；
图4是根据本发明优选实施例的寻呼子帧的又一结构示意图；
图5是根据本发明优选实施例的寻呼子帧的另一结构示意图；
图6是根据本发明优选实施例的时间窗的结构示意图；
图7是根据本发明优选实施例的时间窗的又一结构示意图。
具体实施方式
下文中将参考附图并结合实施例来详细说明本发明。需要说明的是，在不冲突的情况下，本申请中的实施例及实施例中的特征可以相互组合。
本发明的其它特征和优点将在随后的说明书中阐述，并且，部分地从说明书中变得显而易见，或者通过实施本发明而了解。本发明的目的和其他优点可通过在所写的说明书、权利要求书、以及附图中所特别指出的结构来实现和获得。
为了使本技术领域的人员更好地理解本发明方案，下面将结合本发明实施例中的附图， 对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分的实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都应当属于本发明保护的范围。
根据本发明实施例的方案，当多个消息出现在***带宽的多个窄带上时，那么对于只支持在全带宽上的一个窄带上接收的UE，UE需要按照一个预设的优先级来接收其中的一个。
需要指出的是，上述的“只支持在全带宽上的一个窄带上接收的UE”，可以是接收能力只是一个窄带的UE，比如，***带宽是20兆赫兹(MHz)，UE的接收能力为1.4MHz，或者UE具有接收全带宽的能力，但接收受到了限制的UE；或者当***带宽并非现有协议中的1.4MHz、3MHz、5MHz、10MHZ、15MHz、20MHz中的某一个规则带宽，而是一个不规则带宽，比如为8MHz，那么UE只能选择1.4MHz、3MHz、5MHz中的一个规则带宽来接收下行信息；或者当多个消息出现在***带宽的同一个窄带上时，那么对于只支持在全带宽上的一个窄带上接收且只能处理一个消息的UE，UE需要按照一个预设的优先级来接收其中的一个。
此外，需要说明的是，本发明实施例也可以用于接收能力为全带宽，但在一个子帧只能接收其中的一个消息的情况。并且，在实际应用中可能不限于上述情形。
由上可见，本发明实施例不限于应用在MTC UE的传输中，还包括用于但不限于用于其他接收能力小于***带宽的UE或者接收带宽受到限制的UE等。
为了实现上述目的，本发明实施例提供了一种下行信息接收方法。图1是根据本发明实施例的下行信息接收方法的流程图，如图1所示，该流程包括如下步骤：
步骤S102，根据以下至少之一确定优先接收的下行信息：UE状态、发送下行信息的子帧的子帧类型、下行信息的信息类型；
步骤S104，接收下行信息。
通过上述步骤，由于在多个待接收的下行信息中确定了应优先接收的下行信息，之后再对确定优先接收的下行信息进行接收，从而解决了UE在一个窄带上收多个下行信息的效率低下的问题，提高了UE接收下行信息的效率。
优选地，上述的UE状态包括以下至少之一：随机接入过程，RRC空闲态，RRC连接态，***消息变更周期内，多播控制信道(Multicast Control CHannel，简称为MCCH)变更周期内。根据UE处于的不同状态，可以分别确定该状态下应优先接收的下行信息。
优选地，上述的子帧类型包括：MBSFN子帧、或非MBSFN子帧。
优选地，上述的下行信息的信息类型包括以下至少两个：调度RAR的下行控制信道和/或RAR；调度随机接入过程中的消息4的下行控制信道和/或消息4；调度寻呼消息的下行控制信道和/或寻呼消息；调度***消息的下行控制信道和/或***消息；调度UE发送PUSCH的下行控制信道；调度UE发送PDSCH的下行控制信道和/或UE的PDSCH；SPS的PDSCH； 调度重传PDSCH的下行控制信道和/或重传的PDSCH；MCCH变更通知信息；PMCH。即在UE需要接收上述各类信息中的两个或者两个以上的信息时，可以通过预设的规则，确定其中某一个下行信息优先接收，从而可以提高下行信息接收的效率。
优选地，下行控制信道包括以下之一：物理下行控制信道(Physical Downlink Control CHannel，简称为PDCCH)、增强的物理下行控制信道(EPDCCH)。本发明实施例中的下行控制信道还可以是新定义的承载下行控制信息的下行控制信道。
优选地，MCCH变更通知信息和PMCH，还包括以下至少之一：MCCH变更通知信息和/或PMCH所在的窄带信息是eNB在***消息块(SIB)或者MCCH中通知的；MCCH所在的窄带信息是eNB在SIB中通知的；PMCH中承载多媒体广播多播业务(MBMS)的窄带信息是eNB在SIB或者MCCH中通知的。
优选地，方法还包括：多小区多播协调实体(MCE)通知eNB MCCH变更通知信息和/或PMCH和/或MCCH所在的窄带信息和/或PMCH中承载MBMS业务的窄带信息。
在本发明中，所述MCCH变更通知信息和PMCH均是在带宽小于***带宽的窄带中发送的，所述MCCH变更通知信息和/或PMCH所在的窄带信息是eNB在SIB中通知的或者在MCCH中通知的；所述MCCH所在的窄带信息是eNB在SIB中通知的；所述PMCH中承载MBMS业务的窄带信息是eNB在SIB或者在MCCH中通知的。并且，多小区多播协调实体MCE通知eNB所述MCCH变更通知信息和/或PMCH和/或MCCH所在的窄带信息和/或所述PMCH中承载MBMS业务的窄带信息。下面对UE根据UE状态、发送下行信息的子帧的子帧类型、下行信息的信息类型确定优先接收的下行信息的方式进行举例说明：
优选地，在步骤S104中，在UE处于随机接入过程中的RAR时间窗内、且UE接收到RAR之前，优先检测调度RAR的下行控制信道和/或接收RAR。
优选地，在步骤S104中，在UE处于随机接入过程中的在检测调度消息4的下行控制信道和/或接收消息4的子帧上，优先检测调度消息4的下行控制信道和/或接收消息4。
优选地，在步骤S104中，在UE处于RRC空闲态、在检测调度寻呼消息的下行控制信道和/或接收寻呼消息的子帧上，优先检测调度寻呼消息的下行控制信道和/或接收寻呼消息；其中，检测调度寻呼消息的下行控制信道和/或接收寻呼消息的子帧包括：MBSFN子帧、或者非MBSFN子帧。
优选地，在步骤S104中，在UE处于RRC连接态、在一个***消息变更周期内、且在指定的检测调度寻呼消息的下行控制信道和/或接收寻呼消息的子帧上，优先检测调度寻呼消息的下行控制信道和/或接收寻呼消息；其中，指定的检测调度寻呼消息的下行控制信道和/或接收寻呼消息的子帧包括：MBSFN子帧、或者非MBSFN子帧。
优选地，上述的指定的检测调度寻呼消息的下行控制信道和/或接收寻呼消息的子帧包括：在***消息变更周期内的第一预设子帧及第一预设子帧之后、且在接收到寻呼消息之前的检测调度寻呼消息的下行控制信道和/或接收寻呼消息的子帧。
优选地，上述的第一预设子帧包括以下之一的特征：***消息变更周期的起始子帧到第一预设子帧之间的子帧数目为预设值；第一预设子帧到***消息变更周期的截止子帧之间的子帧数目为预设值；***消息变更周期的起始子帧到第一预设子帧之间的接收寻呼消息的机会数为预设值；第一预设子帧到***消息变更周期的截止子帧之间的接收寻呼消息的机会数为预设值。
优选地，在步骤S104中，在UE接收到了***消息发生变更的通知之后的***消息变更周期内、且在UE正确接收***消息之前的、检测调度***消息的下行控制信道和/或接收***消息的子帧上，优先检测调度***消息的下行控制信道和/或接收***消息；其中，检测调度***消息的下行控制信道和/或接收***消息的子帧包括：MBSFN子帧、或者非MBSFN子帧。
优选地，在步骤S104中，在UE在预设时间内尚未接收到***消息发生变更的通知、且在UE正确接收***消息之前的、检测调度***消息的下行控制信道和/或接收***消息的子帧上，优先检测调度***消息的下行控制信道和/或接收***消息；其中，检测调度***消息的下行控制信道和/或接收***消息的子帧包括：MBSFN子帧、或者非MBSFN子帧。
优选地，在步骤S104中，在UE接收PDSCH的时间窗与指定时间窗的位置有重叠，且UE接收PDSCH的时间窗的起始位置早于或者等于指定时间窗的起始位置，则在重叠的子帧上，优先接收PDSCH；或者在UE检测调度重传PDSCH的下行控制信道和/或接收重传的PDSCH的时间窗与指定时间窗的位置有重叠，且UE检测调度重传PDSCH的下行控制信道和/或接收重传的PDSCH的时间窗的起始位置早于或者等于指定时间窗的起始位置，则在重叠的子帧上，优先接收PDSCH。
优选地，上述的指定时间窗包括以下之一：UE接收RAR的RAR时间窗；UE检测调度寻呼消息的下行控制信道和/或接收寻呼消息的时间窗；UE检测调度***消息的下行控制信道和/或接收***消息的时间窗；UE接收PMCH的时间窗；UE检测MCCH变更通知信息的时间窗。
优选地，在步骤S104中，在UE支持多媒体广播多播业务的情况下，在指定的MBSFN子帧上，优先接收PMCH。
优选地，在步骤S104中，在一个MCCH变更周期内，在指定的MBSFN子帧上，优先检测MCCH变更通知信息。
优选地，上述的指定的MBSFN子帧包括：在MCCH变更周期内的第二预设子帧及第二预设子帧之后、且在UE检测到MCCH变更通知之前的接收MCCH变更通知信息的子帧。
优选地，上述的第二预设子帧包括以下之一的特征：MCCH变更周期的起始子帧到第二预设子帧之间的子帧数目为预设值；第二预设子帧到MCCH变更周期的截止子帧之间的子帧数目为预设值；MCCH变更周期的起始子帧到第二预设子帧之间的接收MCCH变更通知信息的机会数为预设值；第二预设子帧到MCCH变更周期的截止子帧之间的接收MCCH变更通知 信息的机会数为预设值。
在本发明实施例中还提供了一种下行信息接收装置，用于实现上述实施例及优选实施方式，已经进行过说明的不再赘述，下面对该装置中涉及到的模块进行说明。如以下所使用的，术语“模块”可以实现预定功能的软件和/或硬件的组合。尽管以下实施例所描述的装置较佳地以软件来实现，但是硬件，或者软件和硬件的组合的实现也是可能并被构想的。
图2是根据本发明实施例的下行信息接收装置的结构示意图，如图2所示，该装置包括：确定模块22和接收模块24，其中，确定模块22，设置为根据以下至少之一确定优先接收的下行信息：UE状态、发送下行信息的子帧的子帧类型、下行信息的信息类型；接收模块24耦合至确定模块22，设置为接收下行信息。
通过上述模块的综合作用，解决了UE在一个窄带上收多个下行信息的效率低下的问题，提高了UE接收下行信息的效率。
优选地，UE状态包括以下至少之一：随机接入过程，RRC空闲态，RRC连接态，***消息变更周期内，MCCH变更周期内。
优选地，子帧类型包括：MBSFN子帧、或非MBSFN子帧。
优选地，信息类型包括以下至少两个：调度RAR的下行控制信道和/或RAR；调度随机接入过程中的消息4的下行控制信道和/或消息4；调度寻呼消息的下行控制信道和/或寻呼消息；调度***消息的下行控制信道和/或***消息；调度UE发送PUSCH的下行控制信道；调度UE发送PDSCH的下行控制信道和/或UE的PDSCH；SPS的PDSCH；调度重传PDSCH的下行控制信道和/或重传的PDSCH；MCCH变更通知信息；PMCH。
优选地，下行控制信道包括以下之一：物理下行控制信道、增强的物理下行控制信道。
优选地，MCCH变更通知信息和PMCH，还包括以下至少之一：MCCH变更通知信息和/或PMCH所在的窄带信息是eNB在***消息块(SIB)或者MCCH中通知的；MCCH所在的窄带信息是eNB在SIB中通知的；PMCH中承载多媒体广播多播业务(MBMS)的窄带信息是eNB在SIB或者MCCH中通知的。
优选地，接收模块24用于：在UE处于随机接入过程中的RAR时间窗内、且UE接收到RAR之前，优先检测调度RAR的下行控制信道和/或接收RAR。
优选地，接收模块24设置为：在UE处于随机接入过程中的在检测调度消息4的下行控制信道和/或接收消息4的子帧上，优先检测调度消息4的下行控制信道和/或接收消息4。
优选地，接收模块24设置为：在UE处于RRC空闲态、在检测调度寻呼消息的下行控制信道和/或接收寻呼消息的子帧上，优先检测调度寻呼消息的下行控制信道和/或接收寻呼消息；其中，检测调度寻呼消息的下行控制信道和/或接收寻呼消息的子帧包括：MBSFN子帧、或者非MBSFN子帧。
优选地，接收模块24设置为：在UE处于RRC连接态、在一个***消息变更周期内、且 在指定的检测调度寻呼消息的下行控制信道和/或接收寻呼消息的子帧上，优先检测调度寻呼消息的下行控制信道和/或接收寻呼消息；其中，指定的检测调度寻呼消息的下行控制信道和/或接收寻呼消息的子帧包括：MBSFN子帧、或者非MBSFN子帧。
优选地，指定的检测调度寻呼消息的下行控制信道和/或接收寻呼消息的子帧包括：在***消息变更周期内的第一预设子帧及第一预设子帧之后、且在接收到寻呼消息之前的检测调度寻呼消息的下行控制信道和/或接收寻呼消息的子帧。
优选地，第一预设子帧包括以下之一的特征：***消息变更周期的起始子帧到第一预设子帧之间的子帧数目为预设值；第一预设子帧到***消息变更周期的截止子帧之间的子帧数目为预设值；***消息变更周期的起始子帧到第一预设子帧之间的接收寻呼消息的机会数为预设值；第一预设子帧到***消息变更周期的截止子帧之间的接收寻呼消息的机会数为预设值。
优选地，接收模块24设置为：在UE接收到了***消息发生变更的通知之后的***消息变更周期内、且在UE正确接收***消息之前的、检测调度***消息的下行控制信道和/或接收***消息的子帧上，优先检测调度***消息的下行控制信道和/或接收***消息；其中，检测调度***消息的下行控制信道和/或接收***消息的子帧包括：MBSFN子帧、或者非MBSFN子帧。
优选地，接收模块24设置为：在UE在预设时间内尚未接收到***消息发生变更的通知、且在UE正确接收***消息之前的、检测调度***消息的下行控制信道和/或接收***消息的子帧上，优先检测调度***消息的下行控制信道和/或接收***消息；其中，检测调度***消息的下行控制信道和/或接收***消息的子帧包括：MBSFN子帧、或者非MBSFN子帧。
优选地，接收模块24设置为：在UE接收PDSCH的时间窗与指定时间窗的位置有重叠，且UE接收PDSCH的时间窗的起始位置早于或者等于指定时间窗的起始位置，则在重叠的子帧上，优先接收PDSCH；或者在UE检测调度重传PDSCH的下行控制信道和/或接收重传的PDSCH的时间窗与指定时间窗的位置有重叠，且UE检测调度重传PDSCH的下行控制信道和/或接收重传的PDSCH的时间窗的起始位置早于或者等于指定时间窗的起始位置，则在重叠的子帧上，优先接收PDSCH。
优选地，指定时间窗包括以下之一：UE接收RAR的RAR时间窗；UE检测调度寻呼消息的下行控制信道和/或接收寻呼消息的时间窗；UE检测调度***消息的下行控制信道和/或接收***消息的时间窗；UE接收PMCH的时间窗；UE检测MCCH变更通知信息的时间窗。
优选地，接收模块24设置为：在UE支持多媒体广播多播业务的情况下，在指定的MBSFN子帧上，优先接收PMCH。
优选地，接收模块24设置为：在一个MCCH变更周期内，在指定的MBSFN子帧上，优先检测MCCH变更通知信息。
优选地，指定的MBSFN子帧包括：在MCCH变更周期内的第二预设子帧及第二预设子 帧之后、且在UE检测到MCCH变更通知之前的接收MCCH变更通知信息的子帧。
优选地，第二预设子帧包括以下之一的特征：MCCH变更周期的起始子帧到第二预设子帧之间的子帧数目为预设值；第二预设子帧到MCCH变更周期的截止子帧之间的子帧数目为预设值；MCCH变更周期的起始子帧到第二预设子帧之间的接收MCCH变更通知信息的机会数为预设值；第二预设子帧到MCCH变更周期的截止子帧之间的接收MCCH变更通知信息的机会数为预设值。
本发明实施例还提供了一种用户设备，包括：上述的下行信息接收装置。
另外，在本发明各个实施例中的各功能单元可以集成在一个处理单元中，也可以是各个单元单独物理存在，也可以两个或两个以上单元集成在一个单元中。上述集成的单元既可以采用硬件的形式实现，也可以采用软件功能单元的形式实现。
为了使本发明实施例的描述更加清楚，下面结合优选实施例进行描述和说明。
优选实施例一
当UE在RRC空闲态时，需要接收的公有消息包括寻呼消息和***消息。这两个消息和/或调度这两个消息的控制信息可能出现在同一个子帧中。
如果寻呼消息和***消息都是盲传输的，即没有下行控制信道调度，且属于不同的窄带，在发送寻呼的子帧，如果有***消息发送，且在所述子帧之前未收到***消息变更通知，UE应优先接收寻呼消息，因为寻呼消息中可能包含所述UE被寻呼的消息和***消息更新等信息。如图3所示，在寻呼消息所在的子帧，这两个消息属于不同的窄带，UE会调频到寻呼消息所在的窄带去接收寻呼消息，即斜线部分的窄带。
如果寻呼消息和***消息中的一个是盲传输的，另一个是下行控制信道调度的，则在调度寻呼消息的下行控制信道和寻呼消息所在的子帧中，如果有***消息发送，或者在寻呼消息所在的子帧中，有调度***消息和***消息发送，且在所述子帧之前未收到***消息变更通知，UE应优先检测调度寻呼消息的下行控制信道和接收寻呼消息。如图4所示，在调度寻呼消息的下行控制信道和寻呼消息所在的子帧中，UE会调频到调度寻呼消息的下行控制信道和寻呼消息所在的窄带去接收调度寻呼消息的下行控制信道和寻呼消息，调度寻呼消息的下行控制信道和寻呼消息所在的窄带即为调度寻呼消息的公共搜索空间(CSS)所在的窄带，即斜线部分的窄带。如果调度寻呼消息的下行控制信道和寻呼消息之间间隔一些子帧，比如调度寻呼消息的下行控制信道被重复了若干次，结束子帧为n，寻呼消息的起始子帧在n+k，其中k>0，比如k＝4，那么在子帧n+1、n+2、……n+k-1这k-1个子帧中，如果有***消息发送，UE将k与一个门限K比较，如果k≥K，则接收***消息，否则不接收，K是一个预设值，或者是eNB配置的值，或者为***消息的重复次数等。
如果寻呼消息和***消息都是下行控制信道调度的，则在调度寻呼消息的下行控制信道和寻呼消息所在的子帧中，如果有调度***消息的下行控制信道和/或***消息发送，且在所述子帧之前未收到***消息变更通知，UE应优先检测调度寻呼消息的下行控制信道和接收寻 呼消息。如图5所示，在调度寻呼消息的下行控制信道和寻呼消息所在的子帧中，UE会调频到调度寻呼消息的下行控制信道和寻呼消息所在的窄带去接收调度寻呼消息的下行控制信道和寻呼消息，调度寻呼消息的下行控制信道和寻呼消息所在的窄带即为调度寻呼消息的CSS所在的窄带，即斜线部分的窄带。如果调度寻呼消息的下行控制信道和寻呼消息之间间隔一些子帧，比如调度寻呼消息的下行控制信道被重复了若干次，结束子帧为n，寻呼消息的起始子帧在n+k，其中k>0，比如k＝4，那么在子帧n+1、n+2、……n+k-1这k-1个子帧中，如果有***消息和/或调度***消息的下行控制信道发送，UE将k与一个门限K比较，如果k≥K，则接收***消息，否则不接收，K是一个预设值，或者是eNB配置的值，或者为***消息和/或调度***消息的下行控制信道的重复次数等。
另外，在MBSFN子帧中的检测调度寻呼消息的下行控制信道和/或接收寻呼消息的子帧，除了调度***消息的下行控制信道和/或***消息，还可能有PMCH和/或MCCH变更通知信息在所述子帧上发送，此时，UE仍然优先检测调度寻呼消息的下行控制信道和/或接收寻呼消息。
优选实施例二
在UE随机接入的过程中，UE首先发送前导(preamble)，然后在一个时间窗内接收RAR，这个时间窗称为RAR时间窗，eNB选择这个时间窗内的的某一个或者多个子帧发送此UE对应的RAR和/或调度所述RAR的下行控制信道。时间窗的大小是eNB配置的或者是预设的。在RAR时间窗内，eNB可能向UE发送的内容还可能包括以下至少之一：调度***消息的下行控制信道和/或***消息、调度寻呼消息的下行控制信道和或寻呼消息、调度所述UE发送PUSCH的下行控制信道、调度所述UE接收PDSCH的下行控制信道和/或所述UE的PDSCH。这里的随机接入既包括竞争的随机接入，又包括非竞争的随机接入。在MBSFN子帧，除了上述消息，eNB向UE发送的内容还可能包括PMCH和/或MCCH变更通知信息。
在UE接收RAR的RAR时间窗内，未正确接收RAR之前，UE应优先接收RAR。
如果RAR是盲传输的，则UE优先到RAR所在的窄带上去接收RAR；如果RAR是下行控制信道调度传输的，则UE优先到调度RAR的下行控制信道和/或RAR所在的窄带上去检测调度RAR的下行控制信道和/或接收RAR。
如果调度RAR的下行控制信道和RAR之间间隔一些子帧，比如调度RAR的下行控制信道被重复了若干次，结束子帧为n，RAR的起始子帧在n+k，其中k>0，比如k＝4，那么在子帧n+1、n+2、……n+k-1这k-1个子帧中，如果有上述其他消息和/或调度上述其他消息的下行控制信道发送，UE将k与一个门限K比较，如果k≥K，则接收其他消息和/或检测调度上述其他消息的下行控制信道，否则不接收其他消息或检测调度上述其他消息的下行控制信道，K是一个预设值，或者是eNB配置的值，或者为上述其他消息和/或调度上述其他消息的下行控制信道的重复次数等。
另外，在随机接入过程中，当UE接收了RAR，然后发送消息3，之后接收eNB发送的消息4，则在检测调度消息4的下行控制信道和/或接收消息4的子帧上，UE优先检测调度消 息4的下行控制信道和/或接收消息4。
优选实施例三
当UE在连接态时，UE仍需要接收寻呼消息，以获得***消息是否发生变更等信息，对于支持地震和海啸预警***(Earthquake and Tsunami Warning System，简称为ETWS)和商业移动预警服务(Commercial Mobile Alert Service，简称为CMAS)的UE，还需要接收寻呼消息获得ETWS和CMAS是否发生告警的信息。UE如果检测到了***消息发生变更，则会在下一个***消息变更周期内重新接收***消息。
在寻呼消息所在的子帧，eNB可能向UE发送的消息还可能包括以下至少之一：调度***消息的下行控制信道和/或***消息、调度寻呼消息的下行控制信道和/或寻呼消息、调度所述UE发送PUSCH的下行控制信道、调度所述UE接收PDSCH的下行控制信道和/或所述UE的PDSCH、调度RAR的下行控制信道和/或RAR。在MBSFN子帧，除了上述消息，eNB向UE发送的内容还可能包括PMCH和/或MCCH变更通知信息。
在本实施例中，定义一个门限值，在***消息变更周期内的所述门限值(包括该门限值)之后的检测调度寻呼消息的下行控制信道和/或接收寻呼消息的子帧上，在接收到寻呼消息之前，UE优先接收寻呼消息。
如果寻呼消息是盲传输的，则在上述的寻呼消息所在的子帧，UE优先到寻呼消息所在的窄带上去接收寻呼消息；如果寻呼消息是下行控制信道调度传输的，则在上述的寻呼消息和调度寻呼消息的下行控制信道所在的子帧，UE优先到调度寻呼消息的下行控制信道和/或寻呼消息所在的窄带上去检测调度寻呼消息的下行控制信道和/或接收寻呼消息。
比如，***消息变更周期为256个无线帧，所述门限值为200个无线帧，则在一个***消息变更周期内的200个无线帧(包括第200个无线帧)之后(也可以定义为之前)，在UE接收到寻呼消息之前，在寻呼消息和/或调度寻呼消息的下行控制信道所在的子帧上，UE优先接收寻呼消息和/或检测调度寻呼消息的下行控制信道。
或者，门限值也可以定义为***消息变更周期内剩余的接收寻呼消息的机会数，这里的接收寻呼消息的机会数可以为接收寻呼消息的子帧数，或者当寻呼消息是重复发送时，比如重复10次，也可以将重复10次的寻呼消息当作一次寻呼消息的机会。门限值可以为上述的N值，也可以是一个预设的值。比如所述门限值为4，则当UE在一个***消息变更周期内，如果剩余的接收寻呼消息的机会只剩下了4次，则在UE接收到寻呼消息之前，UE接收寻呼消息和/或检测调度寻呼消息的下行控制信道的优先级高。
如果调度寻呼消息的下行控制信道和寻呼消息之间间隔一些子帧，比如调度寻呼消息的下行控制信道被重复了若干次，结束子帧为n，寻呼消息的起始子帧在n+k，其中k>0，比如k＝4，那么在子帧n+1、n+2、……n+k-1这k-1个子帧中，如果有其他消息和/或其他消息的下行控制信道发送，UE将k与一个门限K比较，如果k≥K，则接收其他消息和/或检测其他消息的下行控制信道，否则不接收其他消息或检测其他消息的下行控制信道，K是一个预设值， 或者是eNB配置的值，或者为其他消息和/或其他消息的下行控制信道的重复次数等。
优选实施例四
当UE在一个***消息变更周期内，接收到寻呼信息中包含的***消息发生变更的信息，则在下一个***消息变更周期内，在未正常接收***消息之前，应优先接收***消息。即在下一个***消息变更周期内的调度***消息的下行控制信道和/或***消息所在的子帧上，UE应优先接收***消息，而不去接收其他的信息。eNB可能向UE发送的消息还可能包括以下至少之一：调度RAR的下行控制信道和/或RAR、调度寻呼消息的下行控制信道和或寻呼消息、调度所述UE发送PUSCH的下行控制信道、调度所述UE接收PDSCH的下行控制信道和/或所述UE的PDSCH。
或者，当UE在一个预设的时间内，未收到***消息变更的通知，此时UE应优先接收***消息。比如这个预设的时间为5小时，则如果过了5小时，那么在之后的调度***消息的下行控制信道和/或***消息所在的子帧上，如果有调度RAR的下行控制信道和/或RAR需要接收，则应优先接收RAR，否则UE应优先接收***消息，而不去接收其他的信息。
如果调度***消息的下行控制信道和***消息之间间隔一些子帧，比如调度***消息的下行控制信道被重复了若干次，结束子帧为n，***消息的起始子帧在n+k，其中k>0，比如k＝4，那么在子帧n+1、n+2、……n+k-1这k-1个子帧中，如果有上述其他消息和/或调度上述其他消息的下行控制信道发送，UE将k与一个门限K比较，如果k≥K，则接收其他消息和/或检测调度上述其他消息的下行控制信道，否则不接收其他消息或检测调度上述其他消息的下行控制信道，K是一个预设值，或者是eNB配置的值，或者为其他消息和/或调度上述其他消息的下行控制信道的重复次数等。
优选实施例五
如果UE接收PDSCH的时间窗或者UE检测调度重传PDSCH的下行控制信道和/或接收重传的PDSCH和指定时间窗的位置有重叠，且UE接收PDSCH的时间窗或者UE检测调度重传PDSCH的下行控制信道和/或接收重传的PDSCH的起始位置早于或者等于指定时间窗的起始位置，则在重叠的子帧上，UE优先接收PDSCH。其中UE接收PDSCH的时间窗可以为UE的下行控制信道调度的UE接收PDSCH的时间窗，比如eNB调度UE在之后的10个子帧内接收10次重复的PDSCH，那么UE接收PDSCH的时间窗为这10个子帧，或者也可以为UE正确接收PDSCH的时间窗，比如虽然eNB调度UE在之后的10个子帧内接收10次重复的PDSCH，但UE接收了6个子帧就正确接收PDSCH了，那么UE接收PDSCH的时间窗为这6个子帧。UE检测调度重传PDSCH的下行控制信道和/或接收重传的PDSCH与上述UE接收PDSCH的时间窗的定义类似。
指定时间窗是指UE接收RAR的RAR时间窗，RAR时间窗的定义如实施例二中所述；或者UE检测度寻呼消息的下行控制信道和/或接收寻呼消息的时间窗，这里UE检测度寻呼消息的下行控制信道和/或接收寻呼消息的时间窗可以是eNB配置的或者预设的一个接收寻呼消息的时间窗，与RAR时间窗类似，或者也可以是eNB发送一次寻呼消息的子帧，比如为eNB 发送调度寻呼消息的下行控制信道和寻呼消息是在一个子帧内发送的，那么UE检测度寻呼消息的下行控制信道和/或接收寻呼消息的时间窗为这个子帧，或者eNB发送的寻呼消息是重复发送的，比如调度寻呼消息的下行控制信道和寻呼消息一共占用了20个子帧，那么这20个子帧为UE接收寻呼消息的时间窗；或者UE检测调度***消息的下行控制信道和/或接收***消息的时间窗，这个时间窗的定义类似于接收寻呼消息的时间窗；或者为UE接收PMCH的时间窗或者所述UE检测MCCH变更通知信息的时间窗，比如PMCH是在一个MBSFN子帧内发送的，那么所述时间窗即为一个子帧。
如图6所示，UE接收PDSCH的时间窗和RAR时间窗有重叠，且PDSCH的时间窗的起始位置早于RAR时间窗，在重叠的子帧上，UE应优先接收PDSCH。
优选实施例六
对于***带宽大于UE接收带宽的情况，PMCH以及MCCH变更指示信息应在***带宽的一个或者多个窄带中发送。在MBSFN子帧，除了PMCH以及MCCH变更指示信息，eNB可能向UE发送的消息还可能包括以下至少之一：调度***消息的下行控制信道和/或***消息、调度寻呼消息的下行控制信道和或寻呼消息、调度RAR的下行控制信道和/或RAR、调度所述UE发送PUSCH的下行控制信道、调度所述UE接收PDSCH的下行控制信道和/或所述UE的PDSCH。
eNB发送给UE的PMCH可能是重要的信息，比如是发送给MTC UE的告警信息或者是升级信息，那么在指定的MBSFN子帧上，UE应优先接收PMCH，其中指定的MBSFN子帧是UE需要接收eNB发送的PMCH的MBSFN子帧。这里指定的MBSFN子帧是小区的MBSFN子帧的子集。
eNB在某些MBSFN子帧，可能会给UE发送MCCH变更信息，MCCH变更信息在MCCH变更周期内会周期发送多次。MCCH变更信息用于指示MCCH是否发生了变更，如果发生了变更，UE需要在下一个MCCH变更周期内接收MCCH信息。在一个MCCH变更周期内，在指定的MBSFN子帧上，UE应优先接收MCCH变更通知信息。
所述指定的MBSFN子帧，是指所述MCCH变更周期内，在一个预设子帧之后(包括预设子帧)，且在UE检测到MCCH发生变更的信息之前的接收MCCH变更通知信息的子帧。
其中，所述MCCH变更周期的起始子帧和预设子帧之间的子帧数目为预设值，或者预设子帧和所述MCCH变更周期的截止子帧之间的子帧数目为预设值，或者所述预设子帧到MCCH变更周期的截止子帧之间的接收MCCH变更通知信息的机会数为预设值，或者所述MCCH变更周期的起始子帧到所述预设子帧之间的接收MCCH变更通知信息的机会数为预设值。
优选实施例七
当eNB对UE激活了SPS下行重传时，eNB按照配置的周期给UE发送PDSCH，本发明将其称为SPS的PDSCH，当UE接收SPS的PDSCH的时间窗和UE检测调度重传消息的下 行控制信道和/或接收重传信息的时间窗发生重叠，且UE检测调度重传消息的下行控制信道和/或接收重传信息的时间窗的起始位置等于或者早于UE接收SPS的PDSCH的时间窗，则UE优先接收UE检测调度重传消息的下行控制信道和/或接收重传信息。如图7所示。
综上所述，由于MTC UE的接收带宽较小，如果多个消息在同一个子帧的不同窄带上发送，如RAR、寻呼消息、***消息、下行数据等，UE只能选择接收一个窄带上的消息。在覆盖增强场景下，如果UE选择不当，可能造成***效率低下。通过本发明的上述实施例和优选实施例，本发明在不同场景下定义了UE的接收优先级，提高了***效率。
在另外一个实施例中，还提供了一种软件，该软件用于执行上述实施例及优选实施方式中描述的技术方案。
在另外一个实施例中，还提供了一种存储介质，该存储介质中存储有上述软件，该存储介质包括但不限于：光盘、软盘、硬盘、可擦写存储器等。
需要说明的是，本发明的说明书和权利要求书及上述附图中的术语“第一”、“第二”等是用于区别类似的对象，而不必用于描述特定的顺序或先后次序。应该理解这样使用的对象在适当情况下可以互换，以便这里描述的本发明的实施例能够以除了在这里图示或描述的那些以外的顺序实施。此外，术语“包括”和“具有”以及他们的任何变形，意图在于覆盖不排他的包含，例如，包含了一系列步骤或单元的过程、方法、***、产品或设备不必限于清楚地列出的那些步骤或单元，而是可包括没有清楚地列出的或对于这些过程、方法、产品或设备固有的其它步骤或单元。
显然，本领域的技术人员应该明白，上述的本发明的各模块或各步骤可以用通用的计算装置来实现，它们可以集中在单个的计算装置上，或者分布在多个计算装置所组成的网络上，可选地，它们可以用计算装置可执行的程序代码来实现，从而，可以将它们存储在存储装置中由计算装置来执行，并且在某些情况下，可以以不同于此处的顺序执行所示出或描述的步骤，或者将它们分别制作成各个集成电路模块，或者将它们中的多个模块或步骤制作成单个集成电路模块来实现。这样，本发明不限制于任何特定的硬件和软件结合。
以上所述仅为本发明的优选实施例而已，并不用于限制本发明，对于本领域的技术人员来说，本发明可以有各种更改和变化。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。
工业实用性
本发明实施例提供的上述技术方案，可以应用于下行信息的接收过程中，采用根据以下至少之一确定优先接收的下行信息：UE状态、发送下行信息的子帧的子帧类型、下行信息的信息类型；接收该下行信息的方式，解决了UE在一个窄带上收多个下行信息的效率低下的问题，提高了UE接收下行信息的效率。

Claims (42)

  1. 一种下行信息接收方法，包括：
    根据以下至少之一确定优先接收的下行信息：UE状态、发送下行信息的子帧的子帧类型、下行信息的信息类型；
    接收所述下行信息。
  2. 根据权利要求1所述的方法，其中，所述UE状态包括以下至少之一：
    随机接入过程，无线资源控制RRC空闲态，RRC连接态，***消息变更周期内，多播控制信道MCCH变更周期内。
  3. 根据权利要求1所述的方法，其中，所述子帧类型包括：多播/组播单频网络MBSFN子帧、或非MBSFN子帧。
  4. 根据权利要求1所述的方法，其中，所述信息类型包括以下至少两个：
    调度随机接入响应RAR的下行控制信道和/或RAR；
    调度随机接入过程中的消息4的下行控制信道和/或消息4；
    调度寻呼消息的下行控制信道和/或寻呼消息；
    调度***消息的下行控制信道和/或***消息；
    调度所述UE发送物理上行共享信道PUSCH的下行控制信道；
    调度所述UE发送物理下行共享信道PDSCH的下行控制信道和/或所述UE的PDSCH；
    半静态调度SPS的PDSCH；
    调度重传PDSCH的下行控制信道和/或重传的PDSCH；
    多播控制信道MCCH变更通知信息；
    物理层广播信道PMCH。
  5. 根据权利要求4所述的方法，其中，所述下行控制信道包括以下之一：
    物理下行控制信道PDCCH、增强的物理下行控制信道EPDCCH。
  6. 根据权利要求4所述的方法，其中，所述MCCH变更通知信息和所述PMCH，还包括以下至少之一：
    所述MCCH变更通知信息和/或PMCH所在的窄带信息是eNB在***消息块SIB或者MCCH中通知的；
    所述MCCH所在的窄带信息是eNB在SIB中通知的；
    所述PMCH中承载多媒体广播多播业务MBMS的窄带信息是eNB在SIB或者MCCH中通知的。
  7. 根据权利要求6所述的方法，其中，所述方法还包括：
    多小区多播协调实体MCE通知eNB所述MCCH变更通知信息和/或PMCH和/或MCCH所在的窄带信息和/或所述PMCH中承载MBMS业务的窄带信息。
  8. 根据权利要求1所述的方法，其中，接收所述下行信息包括：
    在UE处于随机接入过程中的随机接入响应RAR时间窗内、且所述UE接收到RAR之前，优先检测调度RAR的下行控制信道和/或接收RAR。
  9. 根据权利要求1所述的方法，其中，接收所述下行信息包括：
    在UE处于随机接入过程中的在检测调度消息4的下行控制信道和/或接收消息4的子帧上，优先检测调度消息4的下行控制信道和/或接收消息4。
  10. 根据权利要求1所述的方法，其中，接收所述下行信息包括：
    在UE处于无线资源控制RRC空闲态、在检测调度寻呼消息的下行控制信道和/或接收寻呼消息的子帧上，优先检测调度寻呼消息的下行控制信道和/或接收寻呼消息；
    其中，检测调度寻呼消息的下行控制信道和/或接收寻呼消息的子帧包括：多播/组播单频网络MBSFN子帧、或者非MBSFN子帧。
  11. 根据权利要求1所述的方法，其中，接收所述下行信息包括：
    在UE处于无线资源控制RRC连接态、在一个***消息变更周期内、且在指定的检测调度寻呼消息的下行控制信道和/或接收寻呼消息的子帧上，优先检测调度寻呼消息的下行控制信道和/或接收寻呼消息；
    其中，指定的检测调度寻呼消息的下行控制信道和/或接收寻呼消息的子帧包括：多播/组播单频网络MBSFN子帧、或者非MBSFN子帧。
  12. 根据权利要求11所述的方法，其中，指定的检测调度寻呼消息的下行控制信道和/或接收寻呼消息的子帧包括：
    在所述***消息变更周期内的第一预设子帧及所述第一预设子帧之后、且在接收到寻呼消息之前的检测调度寻呼消息的下行控制信道和/或接收寻呼消息的子帧。
  13. 根据权利要求12所述的方法，其中，所述第一预设子帧包括以下之一的特征：
    所述***消息变更周期的起始子帧到所述第一预设子帧之间的子帧数目为预设值；
    所述第一预设子帧到所述***消息变更周期的截止子帧之间的子帧数目为预设值；
    所述***消息变更周期的起始子帧到所述第一预设子帧之间的接收寻呼消息的机会 数为预设值；
    所述第一预设子帧到所述***消息变更周期的截止子帧之间的接收寻呼消息的机会数为预设值。
  14. 根据权利要求1所述的方法，其中，接收所述下行信息包括：
    在UE接收到了***消息发生变更的通知之后的***消息变更周期内、且在所述UE正确接收***消息之前的、检测调度***消息的下行控制信道和/或接收***消息的子帧上，优先检测调度***消息的下行控制信道和/或接收***消息；
    其中，检测调度***消息的下行控制信道和/或接收***消息的子帧包括：多播/组播单频网络MBSFN子帧、或者非MBSFN子帧。
  15. 根据权利要求1所述的方法，其中，接收所述下行信息包括：
    在UE在预设时间内尚未接收到***消息发生变更的通知、且在所述UE正确接收***消息之前的、检测调度***消息的下行控制信道和/或接收***消息的子帧上，优先检测调度***消息的下行控制信道和/或接收***消息；
    其中，检测调度***消息的下行控制信道和/或接收***消息的子帧包括：多播/组播单频网络MBSFN子帧、或者非MBSFN子帧。
  16. 根据权利要求1所述的方法，其中，接收所述下行信息包括：
    在UE接收物理下行共享信道PDSCH的时间窗与指定时间窗的位置有重叠，且所述UE接收PDSCH的时间窗的起始位置早于或者等于所述指定时间窗的起始位置，则在重叠的子帧上，优先接收PDSCH；或者
    在UE检测调度重传物理下行共享信道PDSCH的下行控制信道和/或接收重传的PDSCH的时间窗与指定时间窗的位置有重叠，且所述UE检测调度重传物理下行共享信道PDSCH的下行控制信道和/或接收重传的PDSCH的时间窗的起始位置早于或者等于所述指定时间窗的起始位置，则在重叠的子帧上，优先接收PDSCH。
  17. 根据权利要求16所述的方法，其中，所述指定时间窗包括以下之一：
    所述UE接收随机接入响应RAR的RAR时间窗；
    所述UE检测调度寻呼消息的下行控制信道和/或接收所述寻呼消息的时间窗；
    所述UE检测调度***消息的下行控制信道和/或接收***消息的时间窗；
    所述UE接收物理层广播信道PMCH的时间窗；
    所述UE检测多播控制信道MCCH变更通知信息的时间窗。
  18. 根据权利要求1所述的方法，其中，接收所述下行信息包括：
    在UE支持多媒体广播多播业务的情况下，在指定的多播/组播单频网络MBSFN子帧上，优先接收物理层广播信道PMCH。
  19. 根据权利要求1所述的方法，其中，接收所述下行信息包括：
    在一个多播控制信道MCCH变更周期内，在指定的多播/组播单频网络MBSFN子帧上，优先检测MCCH变更通知信息。
  20. 根据权利要求19所述的方法，其中，所述指定的MBSFN子帧包括：
    在所述MCCH变更周期内的第二预设子帧及所述第二预设子帧之后、且在所述UE检测到MCCH变更通知之前的接收MCCH变更通知信息的子帧。
  21. 根据权利要求20所述的方法，其中，所述第二预设子帧包括以下之一的特征：
    所述MCCH变更周期的起始子帧到所述第二预设子帧之间的子帧数目为预设值；
    所述第二预设子帧到所述MCCH变更周期的截止子帧之间的子帧数目为预设值；
    所述MCCH变更周期的起始子帧到所述第二预设子帧之间的接收MCCH变更通知信息的机会数为预设值；
    所述第二预设子帧到所述MCCH变更周期的截止子帧之间的接收MCCH变更通知信息的机会数为预设值。
  22. 一种下行信息接收装置，包括：
    确定模块，设置为根据以下至少之一确定优先接收的下行信息：UE状态、发送下行信息的子帧的子帧类型、下行信息的信息类型；
    接收模块，设置为接收所述下行信息。
  23. 根据权利要求22所述的装置，其中，所述UE状态包括以下至少之一：
    随机接入过程，无线资源控制RRC空闲态，RRC连接态，***消息变更周期内，多播控制信道MCCH变更周期内。
  24. 根据权利要求22所述的装置，其中，所述子帧类型包括：多播/组播单频网络MBSFN子帧、或非MBSFN子帧。
  25. 根据权利要求22所述的装置，其中，所述信息类型包括以下至少两个：
    调度随机接入响应RAR的下行控制信道和/或RAR；
    调度随机接入过程中的消息4的下行控制信道和/或消息4；
    调度寻呼消息的下行控制信道和/或寻呼消息；
    调度***消息的下行控制信道和/或***消息；
    调度所述UE发送物理上行共享信道PUSCH的下行控制信道；
    调度所述UE发送物理下行共享信道PDSCH的下行控制信道和/或所述UE的PDSCH；
    半静态调度SPS的PDSCH；
    调度重传PDSCH的下行控制信道和/或重传的PDSCH；
    多播控制信道MCCH变更通知信息；
    物理层广播信道PMCH。
  26. 根据权利要求25所述的装置，其中，所述下行控制信道包括以下之一：
    物理下行控制信道PDCCH、增强的物理下行控制信道EPDCCH。
  27. 根据权利要求25所述的装置，其中，所述MCCH变更通知信息和所述PMCH，还包括以下至少之一：
    所述MCCH变更通知信息和/或PMCH所在的窄带信息是eNB在***消息块SIB或者MCCH中通知的；
    所述MCCH所在的窄带信息是eNB在SIB中通知的；
    所述PMCH中承载的多媒体广播多播业务MBMS的窄带信息是eNB在SIB或者MCCH中通知的。
  28. 根据权利要求22所述的装置，其中，所述接收模块设置为：
    在UE处于随机接入过程中的随机接入响应RAR时间窗内、且所述UE接收到RAR之前，优先检测调度RAR的下行控制信道和/或接收RAR。
  29. 根据权利要求22所述的装置，其中，所述接收模块设置为：
    在UE处于随机接入过程中的在检测调度消息4的下行控制信道和/或接收消息4的子帧上，优先检测调度消息4的下行控制信道和/或接收消息4。
  30. 根据权利要求22所述的装置，其中，所述接收模块设置为：
    在UE处于无线资源控制RRC空闲态、在检测调度寻呼消息的下行控制信道和/或接收寻呼消息的子帧上，优先检测调度寻呼消息的下行控制信道和/或接收寻呼消息；
    其中，检测调度寻呼消息的下行控制信道和/或接收寻呼消息的子帧包括：多播/组播单频网络MBSFN子帧、或者非MBSFN子帧。
  31. 根据权利要求22所述的装置，其中，所述接收模块设置为：
    在UE处于无线资源控制RRC连接态、在一个***消息变更周期内、且在指定的检 测调度寻呼消息的下行控制信道和/或接收寻呼消息的子帧上，优先检测调度寻呼消息的下行控制信道和/或接收寻呼消息；
    其中，指定的检测调度寻呼消息的下行控制信道和/或接收寻呼消息的子帧包括：多播/组播单频网络MBSFN子帧、或者非MBSFN子帧。
  32. 根据权利要求31所述的装置，其中，指定的检测调度寻呼消息的下行控制信道和/或接收寻呼消息的子帧包括：
    在所述***消息变更周期内的第一预设子帧及所述第一预设子帧之后、且在接收到寻呼消息之前的检测调度寻呼消息的下行控制信道和/或接收寻呼消息的子帧。
  33. 根据权利要求32所述的装置，其中，所述第一预设子帧包括以下之一的特征：
    所述***消息变更周期的起始子帧到所述第一预设子帧之间的子帧数目为预设值；
    所述第一预设子帧到所述***消息变更周期的截止子帧之间的子帧数目为预设值；
    所述***消息变更周期的起始子帧到所述第一预设子帧之间的接收寻呼消息的机会数为预设值；
    所述第一预设子帧到所述***消息变更周期的截止子帧之间的接收寻呼消息的机会数为预设值。
  34. 根据权利要求22所述的装置，其中，所述接收模块设置为：
    在UE接收到了***消息发生变更的通知之后的***消息变更周期内、且在所述UE正确接收***消息之前的、检测调度***消息的下行控制信道和/或接收***消息的子帧上，优先检测调度***消息的下行控制信道和/或接收***消息；
    其中，检测调度***消息的下行控制信道和/或接收***消息的子帧包括：多播/组播单频网络MBSFN子帧、或者非MBSFN子帧。
  35. 根据权利要求22所述的装置，其中，所述接收模块设置为：
    在UE在预设时间内尚未接收到***消息发生变更的通知、且在所述UE正确接收***消息之前的、检测调度***消息的下行控制信道和/或接收***消息的子帧上，优先检测调度***消息的下行控制信道和/或接收***消息；
    其中，检测调度***消息的下行控制信道和/或接收***消息的子帧包括：多播/组播单频网络MBSFN子帧、或者非MBSFN子帧。
  36. 根据权利要求22所述的装置，其中，所述接收模块设置为：
    在UE接收物理下行共享信道PDSCH的时间窗与指定时间窗的位置有重叠，且所述UE接收PDSCH的时间窗的起始位置早于或者等于所述指定时间窗的起始位置，则在重叠的子帧上，优先接收PDSCH；或者
    在UE检测调度重传物理下行共享信道PDSCH的下行控制信道和/或接收重传的PDSCH的时间窗与指定时间窗的位置有重叠，且所述UE检测调度重传物理下行共享信道PDSCH的下行控制信道和/或接收重传的PDSCH的时间窗的起始位置早于或者等于所述指定时间窗的起始位置，则在重叠的子帧上，优先接收PDSCH。
  37. 根据权利要求36所述的装置，其中，所述指定时间窗包括以下之一：
    所述UE接收随机接入响应RAR的RAR时间窗；
    所述UE检测调度寻呼消息的下行控制信道和/或接收所述寻呼消息的时间窗；
    所述UE检测调度***消息的下行控制信道和/或接收***消息的时间窗；
    所述UE接收物理层广播信道PMCH的时间窗；
    所述UE检测多播控制信道MCCH变更通知信息的时间窗。
  38. 根据权利要求22所述的装置，其中，所述接收模块设置为：
    在UE支持多媒体广播多播业务的情况下，在指定的多播/组播单频网络MBSFN子帧上，优先接收物理层广播信道PMCH。
  39. 根据权利要求22所述的装置，其中，所述接收模块设置为：
    在一个多播控制信道MCCH变更周期内，在指定的多播/组播单频网络MBSFN子帧上，优先检测MCCH变更通知信息。
  40. 根据权利要求39所述的装置，其中，所述指定的MBSFN子帧包括：
    在所述MCCH变更周期内的第二预设子帧及所述第二预设子帧之后、且在所述UE检测到MCCH变更通知之前的接收MCCH变更通知信息的子帧。
  41. 根据权利要求40所述的装置，其中，所述第二预设子帧包括以下之一的特征：
    所述MCCH变更周期的起始子帧到所述第二预设子帧之间的子帧数目为预设值；
    所述第二预设子帧到所述MCCH变更周期的截止子帧之间的子帧数目为预设值；
    所述MCCH变更周期的起始子帧到所述第二预设子帧之间的接收MCCH变更通知信息的机会数为预设值；
    所述第二预设子帧到所述MCCH变更周期的截止子帧之间的接收MCCH变更通知信息的机会数为预设值。
  42. 一种用户设备，包括：如权利要求22至41中任一项所述的下行信息接收装置。
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