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WO2014101671A1 - Procédé, système et dispositif pour la transmission de données - Google Patents

Procédé, système et dispositif pour la transmission de données Download PDF

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Publication number
WO2014101671A1
WO2014101671A1 PCT/CN2013/089337 CN2013089337W WO2014101671A1 WO 2014101671 A1 WO2014101671 A1 WO 2014101671A1 CN 2013089337 W CN2013089337 W CN 2013089337W WO 2014101671 A1 WO2014101671 A1 WO 2014101671A1
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WO
WIPO (PCT)
Prior art keywords
user equipment
monitoring
information
target cell
network side
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2013/089337
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English (en)
Chinese (zh)
Inventor
潘学明
沈祖康
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China Academy of Telecommunications Technology CATT
Original Assignee
China Academy of Telecommunications Technology CATT
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China Academy of Telecommunications Technology CATT filed Critical China Academy of Telecommunications Technology CATT
Publication of WO2014101671A1 publication Critical patent/WO2014101671A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
    • H04W52/0229—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal where the received signal is a wanted signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0251—Power saving arrangements in terminal devices using monitoring of local events, e.g. events related to user activity
    • H04W52/0254—Power saving arrangements in terminal devices using monitoring of local events, e.g. events related to user activity detecting a user operation or a tactile contact or a motion of the device
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • the present invention relates to the field of wireless communication technologies, and in particular, to a method, system and device for information transmission. Background technique
  • Small cells With the evolution of technology and the increase in data services, the concept of small cells has been raised and received a high degree of attention. Small cells usually have a small coverage and a low transmit power. By deploying small cells closer to the user, such as indoors and hotspots, the user's data rate can be increased.
  • the types of small cells are mainly divided into three types: small cells with independent attributes, small cells with non-independent attributes, and small cells with independent and non-independent dual attributes.
  • Figure 1A and Figure 1B respectively give An indication of the non-independent and independent work of the small cell.
  • FIG. 1C A heterogeneous network deployment scenario including a local evolved base station (Local eNB) and a macro evolved base station (Macro eNB) is shown in FIG. 1C.
  • the Macro base station provides macro coverage
  • the Local eNB provides hotspot coverage within the macro coverage.
  • Figure 1C Heterogeneous network deployment scenario For the network architecture shown in the preceding figure, if the user equipment (User Equipment, UE) moves within the coverage of the Macro cell according to the existing mechanism, it may continuously execute between the Macro cell and the Local cell. Switch operations.
  • User Equipment User Equipment
  • one way is to enable the UE to simultaneously aggregate the resources of the Local eNB and the Macro eNB, but the Radio Resource Control (RRC) connection is maintained under the Macro eNB, and the Local resource is used only for information.
  • RRC Radio Resource Control
  • LTE-Advanced Long Term Evolution
  • LTE-A Enhanced Long Term Evolution
  • eNB evolved Node B
  • CC component carriers
  • Each cell can be a member carrier. To ensure backward compatibility, each carrier does not exceed 20MHz at the maximum.
  • one of the component carriers is configured as a primary carrier (Pcell or PCC), and the user equipment receives a Physical Downlink Control Channel (PDCCH) Common Search Space (CSS) on the primary carrier.
  • a search space (UE specific search space, UESS), where the common search space is used to send a PDCCH that schedules common control signaling, such as broadcast, paging, etc., and the UE search space is used to send scheduling signaling for the user.
  • the other component carriers other than the primary carrier become the secondary carrier (Scell or SCC), and the user equipment receives only the PDCCH UE search space on the secondary carrier wave, and does not receive the PDCCH common search space.
  • the blind detection of the PDCCH UE search space by the user equipment on the Pcell and the Scell is the same.
  • small cells will mainly use high frequency bands (for example, 3.5 GHz or higher), while Macro cells mainly use lower frequency bands (for example, 2 GHz or below). Therefore, the bearer separation working mode and the carrier aggregation can be used in combination, the control plane connection of the user equipment is maintained in the lower frequency band by the Macro service, and the user plane connection is maintained in the higher frequency band by the small cell service.
  • a component carrier (CC) connected to the Macro is usually used as a Pcell, and the user equipment mainly receives system broadcast, paging, RRC signaling, etc. on the CC; and the CC that the network will connect with the small cell.
  • the Scell the user equipment receives only user plane control signaling, data, and the like on the CC.
  • the present invention provides a method for information transmission, which is used to solve the problem that the user equipment existing in the prior art needs to perform a large number of meaningless Pcell monitoring, thereby causing unnecessary energy consumption and reducing scheduling flexibility on the Scell.
  • the network side device determines the interception information on the target cell configured for the user equipment, where the monitoring information includes a listening position and/or monitoring configuration information;
  • the network side device sends a downlink signal to the user equipment according to the interception information.
  • Another method for information transmission provided by the embodiment of the present invention includes:
  • the user equipment determines the interception information on the target cell configured by the network side device, where the interception information includes a monitoring location and/or monitoring configuration information;
  • the user equipment monitors according to the interception information, and receives a downlink signal sent by the network side device.
  • a first determining module configured to determine interception information on a target cell configured for the user equipment, where the interception information includes a listening location and/or monitoring configuration information;
  • a user equipment for information transmission provided by an embodiment of the present invention includes:
  • a second determining module configured to determine monitoring information on a target cell configured by the network side device, where the monitoring information includes a listening position and/or monitoring configuration information;
  • the processing module is configured to perform monitoring according to the interception information, and receive a downlink signal sent by the network side device.
  • a network side device configured to determine interception information on a target cell configured for the user equipment, where
  • the monitoring information includes a listening position and/or monitoring configuration information, and sending a downlink signal to the user equipment according to the monitoring information;
  • the user equipment is configured to determine, according to the interception information, the interception information on the target cell configured by the network side device, and receive the downlink signal sent by the network side device.
  • the network side device sends a downlink signal to the user equipment according to the monitoring information according to the monitoring location and/or the monitoring configuration information, thereby reducing the number of times the user equipment performs the meaningless Pcell monitoring, and reducing the energy consumption. , improved scheduling flexibility on Scell. DRAWINGS
  • 1A is a schematic diagram of carrier aggregation in the background art
  • 1B is a schematic diagram of a small cell that does not work independently in the background art
  • 1C is a schematic diagram of a small cell working independently in the background art
  • FIG. 1D is a schematic diagram of a heterogeneous network deployment scenario including a Local eNB and a Macro eNB in the background;
  • FIG. 2 is a schematic structural diagram of a system for information transmission according to an embodiment of the present invention.
  • FIG. 3 is a schematic structural diagram of a network side device in a system for information transmission according to an embodiment of the present invention
  • FIG. 4 is a schematic structural diagram of another network side device in an information transmission system according to an embodiment of the present invention
  • FIG. 6 is a schematic structural diagram of another user equipment in a system for information transmission according to an embodiment of the present invention
  • FIG. 7 is a schematic flowchart of a method for sending information by a network side device according to an embodiment of the present invention
  • FIG. 8 is a schematic flowchart of a method for a user equipment to receive information according to an embodiment of the present invention. detailed description
  • the blind detection of the PPDCCH PDCCH indirectly restricts the improvement of the PDCCH blind detection opportunity available on the Scell, thereby restricting the scheduling flexibility on the Scell.
  • the network side device sends the downlink signal to the user equipment according to the monitoring information including the monitoring position and/or the monitoring configuration information, thereby reducing the number of times the user equipment performs the meaningless Pcell monitoring, reducing the energy consumption, and improving the Scell. Scheduling flexibility.
  • the solution of the embodiment of the present invention may be applied to a scenario where carrier aggregation is combined with C/U separation, and may also be applied to other carrier aggregation scenarios.
  • the solution of the embodiment of the present invention can be applied to a Pcell in carrier aggregation, that is, a carrier aggregation and a carrier in which a UE communicates with a Macro base station in a C/U separation scenario, and can also be applied to an Scell or other carrier.
  • the system for information transmission in the embodiment of the present invention includes: a network side device 10 and a user equipment 20.
  • the network side device 10 is configured to determine the monitoring information on the target cell configured for the user equipment, where the monitoring information includes the monitoring position and/or the monitoring configuration information, and sends a downlink signal to the user equipment according to the monitoring information;
  • the user equipment 20 is configured to determine the interception information on the target cell configured by the network side device, perform monitoring according to the monitoring information, and receive the downlink signal sent by the network side device.
  • the downlink signal sent by the network side device 10 may be one of the following downlink signals:
  • a PDCCH signal an enhanced physical downlink control channel (EPDCCH) signal, and a Physical Downlink Shared Channel (PDSCH) signal.
  • EPDCCH enhanced physical downlink control channel
  • PDSCH Physical Downlink Shared Channel
  • the network side device 10 can configure the user equipment 20 with the monitoring information on the target cell by using the high layer signaling;
  • the user equipment 20 receives the target cell configured by the network side device 10 by using high layer signaling. Monitor information on.
  • the following describes the processing methods of the monitoring information including different contents.
  • Method 1 The monitoring information includes the listening position.
  • the listening position indicates the subframe in which the trial needs to be monitored.
  • the subframe identifier may be used as the listening position. For example, if the subframe to be monitored is subframe 6, the 6 may be used as the listening position; and the bitmap may be used as the listening position, where one of the bitmaps The bit corresponds to a subframe, and the value of the bit identifies whether it is a subframe that needs to be monitored. For example, 0 indicates no, 1 indicates yes, and subframe 6 and subframe 9 are subframes to be monitored, and the bitmap is 000001001.
  • listening position expressions are only examples, and any information that can identify the subframes that need to be monitored can be used as the listening position.
  • the network side device 10 first determines, according to the listening position, a specific subframe set of the user equipment in the target cell; and then sends a downlink signal to the user equipment 20 on at least one of the determined specific subframe sets;
  • the user equipment 20 determines a specific subframe set in the target cell according to the listening position, and performs monitoring on at least one subframe in the specific subframe set.
  • the network side device 10 configures the carrier aggregation user equipment 20 to listen and receive data only in a part of the subframes on one Cell (or CC).
  • the network side device 10 may be configured by high layer signaling to inform the user equipment 20 of a specific subframe set required on the Pcell (or each Cell), and the user equipment 20 is only in the corresponding cell set notified in the corresponding cell. Monitor and receive downstream data.
  • the user equipment 20 listens to all PDCCHs and receives the PDSCH according to the scheduling situation; in other subframes outside the specific subframe set, the user equipment 20 does not receive any downlink signals.
  • the target cell When the target cell is a PCell, the user equipment 20 needs to ensure that the public information (such as system information, paging message, and the like) sent by the network side device is correctly received on the Pcell. Therefore, the specific subframe set of the target cell includes at least the subframe 0. And subframe 5.
  • the target cell is an SCell, if the user equipment 20 needs to listen to common information (such as system information, paging message, etc.) in a certain Scell, the subframe included in the specific subframe set of the target cell enables the user equipment to correctly receive the network. Public information sent by the side device.
  • the network side device 10 does not transmit a downlink signal on a subframe other than the specific subframe set; correspondingly, the user equipment 20 does not receive the downlink signal on a subframe other than the required specific subframe set.
  • the network side device 10 transmits the PDCCH CSS signal on the subframes other than the specific subframe set; correspondingly, the user equipment 20 does not blindly detect the PDCCH UESS or the EPDCCH UESS on the subframes other than the determined specific subframe set, only The PDCCH CSS is blindly checked and only data scheduled by the DCI in the PDCCH CSS is received.
  • the user equipment 20 uses the blind detection capability for PDCCH blind detection of other cells in subframes other than the specific subframe set of the target cell.
  • the monitoring includes receiving the control channel PDCCH or EPDCCH, and also receiving the data channel PDSCH.
  • the user equipment receives the control channel PDCCH or EPDCCH by means of blind detection.
  • user equipment 20 may use some or all of the blind detection capabilities for PDCCH blind detection of other cells.
  • the partial blind detection capability here is the capability of blind detection of the PDCCH UESS or EPDCCH UESS.
  • All the blind detection capabilities here include the ability to blindly detect the exclusive PDCCH UESS or EPDCCH UESS, as well as the ability to blindly check other signals, such as the ability to blindly detect PDCCH CSS, and the ability to blindly check PDSCH.
  • the network side device 10 can inform the user equipment 20 in a bitmap manner through RRC signaling, which subframes must be monitored within a certain period of time (for example, each radio frame). As shown in Table 1 below, The network side device 10 configures the user equipment 20 to be monitored in the subframe ⁇ 0, 4, 5, 9 ⁇ of each radio frame on the Pcell. In other subframes ⁇ 1, 2, 3, 6, 7, 8 ⁇ other than the set, the user equipment 20 does not receive any downlink signals, or only blindly detects the PDCCH CSS and its scheduled data.
  • Table 1 Configuring the subframe to be monitored on the Pcell in the bitmap mode. Further, in the subframe that does not need to be monitored on a cell, the PDCCH blind detection capability of the user equipment 20 can be allocated to other cells that need to be monitored.
  • the PDCCH blind detection capability can be allocated to other cells that need to be monitored.
  • the allocation of the PDCCH blind detection in the Pcell and the Scell is the same as that in the prior art.
  • 3GPP TS 36.213 in other subframes other than the subframe set 1 (referred to as subframe set 2), due to the user equipment.
  • the PDCCH is not allocated to the Pcell, and the PDCCH blind detection capability can be allocated to the Scell.
  • the specific PDCCH blind detection capability can be redistributed in the following two ways:
  • the dedicated PDCCH or EPDCCH blind detection capability of a certain subframe on the Pcell is allocated to the Scell.
  • Tables 4 and 5 respectively show the PDCCH blind detection configuration on the Pcell and the Scell in the subframe set 2 in this manner. Assignment.
  • the monitoring information includes monitoring configuration information.
  • the listening configuration information here indicates the number of times that blind detection is required on each subframe.
  • the listening configuration information can be:
  • the user equipment 20 may determine the ratio of the number of times in different target cells. Number of blind checks; or
  • the total number of times that the user equipment performs blind detection on each target cell where the total number of blind detections of the multiple target cells is not greater than the maximum number of times that the user equipment can perform blind detection.
  • the user equipment 20 is configured on the Pcell.
  • the number of times of exclusive PDCCH or EPDCCH blind detection is 6, and the number of dedicated PDCCH or EPDCCH blind detection on the Scell is 26, as shown in Table 6 and Table 7; or for each aggregation of user equipment on each target cell.
  • the number of blind detections of the level wherein the total number of blind detections of the multiple target cells is not greater than the maximum number of times the user equipment can perform blind detection.
  • the user equipment in each component carrier needs to blindly check multiple aggregation levels ⁇ 1, 2, 4,8 ⁇ , the total number of blind detections performed by the user equipment on each target cell is that the number of blind detections of the component carrier is configured, that is, the aggregation level is not distinguished, and only the total number of times is notified; here, each aggregation level is separately notified. Number of blind checks; or
  • the proportioning method for the blind detection of the user equipment in different target cells such as equal division, or non-equal division.
  • equal division method is similar to the prior art.
  • non-equal division method is similar to Table 6 and Table 7.
  • monitoring configuration information is only examples, and any number of times that the blind detection is required in each subframe can be used as the monitoring configuration information.
  • the network side device 10 sends a dedicated PDCCH or EPDCCH to the user equipment 20 according to the interception configuration information.
  • the user equipment 20 blindly checks the PDCCH UESS or the EPDCCH UESS according to the interception configuration information.
  • the manner of specifically transmitting the PDCCH or the EPDCCH to the user equipment 20 may be referred to the 3GPP TS 36.211 and the 3GPP TS 36.213 protocol. Narration.
  • the monitoring information includes a listening position and a monitoring configuration information.
  • the third method is a combination of the first mode and the second mode. That is, the PDCCH blind check configuration for multiple CCs in the second mode can be applied to only a part of the subframes, and the subframes are notified to the user equipment 20 by the method of the first method.
  • the user equipment 20 monitors the PDCCH of the Pcell and the Scell in a part of the subframe according to the prior art, and monitors the Pcell and the Scell according to the configured PDCCH blind detection configuration division manner in another part of the subframe.
  • the listening position of the mode 3 is the same as that of the mode 1.
  • the monitoring configuration information of the third mode is the same as the monitoring configuration information of the second mode, and the description is not repeated here.
  • the network side device 10 determines, according to the listening position, a specific subframe set of the user equipment in the target cell, and sends a dedicated PDCCH or a dedicated PDCCH in the determined specific subframe set according to the monitoring configuration information.
  • EPDCCH EPDCCH
  • the user equipment 20 determines a specific subframe set of the target cell according to the listening position, and blindly checks the PDCCH UESS or the EPDCCH UESS in the determined specific subframe set according to the interception configuration information.
  • the user equipment 20 listens to all PDCCHs and receives the PDSCH according to the scheduling situation; in other subframes outside the specific subframe set, the user equipment 20 does not receive any downlink signals.
  • the target cell is a PCell
  • the user equipment 20 needs to ensure that the public information (such as system information, paging message, and the like) sent by the network side device is correctly received on the Pcell. Therefore, the specific subframe set of the target cell includes at least the subframe 0. And subframe 5.
  • the target cell is an SCell
  • common information such as system information, paging message, etc.
  • the subframe included in the specific subframe set of the target cell enables the user equipment to correctly receive the network. Public information sent by the side device.
  • the network side device 10 does not transmit a downlink signal on a subframe other than the specific subframe set; correspondingly, the user equipment 20 does not receive the downlink signal on a subframe other than the required specific subframe set.
  • the network side device 10 transmits the PDCCH CSS signal on the subframes other than the specific subframe set; correspondingly, the user equipment 20 does not blindly detect the PDCCH UESS or the EPDCCH UESS on the subframes other than the determined specific subframe set, only The PDCCH CSS is blindly checked and only data scheduled by the DCI in the PDCCH CSS is received.
  • the user equipment 20 uses the blind detection capability for PDCCH blind detection of other cells in subframes other than the specific subframe set of the target cell.
  • user equipment 20 may use some or all of the blind detection capabilities for PDCCH blind detection of other cells.
  • the partial blind detection capability here is blind detection of PDCCH UESS or EPDCCH UESS ability.
  • the network side device 10 determines a specific subframe set of the user equipment in the target cell according to the listening position, and sends a user equipment-specific PDCCH or EPDCCH to the user equipment in a subframe other than the specific subframe set according to the monitoring configuration information. ;
  • the user equipment 20 determines a specific subframe set of the target cell according to the interception location; and blindly detects the PDCCH UESS or the EPDCCH UESS in the subframes other than the specific subframe set according to the interception configuration information.
  • the network side device in the embodiment of the present invention may be a base station (such as a macro base station, a home base station, etc.), a relay (RN) device, or another network side device.
  • a base station such as a macro base station, a home base station, etc.
  • RN relay
  • the network side device in the system for information transmission includes: a first determining module 300 and a sending module 310.
  • the first determining module 300 is configured to determine monitoring information on a target cell configured for the user equipment, where the monitoring information includes a listening position and/or monitoring configuration information;
  • the sending module 310 is configured to send a downlink signal to the user equipment according to the monitoring information.
  • the downlink signal is a PDCCH signal or an EPDCCH signal or a PDSCH signal.
  • the sending module 310 configures the monitoring information on the target cell for the user equipment by using the high layer signaling.
  • the monitoring information includes a listening position
  • the sending module 310 determines, according to the listening position, a specific subframe set of the user equipment in the target cell, and sends a downlink signal to the user equipment on the at least one subframe in the determined specific subframe set.
  • the monitoring information includes the monitoring configuration information.
  • the sending module 310 sends the user equipment-specific PDCCH or EPDCCH to the user equipment according to the monitoring configuration information.
  • the monitoring information includes a listening position and monitoring configuration information
  • the sending module 310 determines, according to the monitoring location, a specific subframe set of the user equipment in the target cell, and sends, according to the monitoring configuration information, the user equipment-specific PDCCH or EPDCCH or the monitoring configuration information according to the monitoring configuration information in the determined specific subframe set.
  • a user equipment-specific PDCCH or EPDCCH is transmitted to the user equipment in a subframe other than the specific subframe set.
  • the target cell is a PCell
  • the specific subframe set of the target cell includes subframe 0 and subframe 5.
  • the target cell is a SCell
  • the network uses the Scell to send the public information
  • the subframe included in the specific subframe set of the target cell enables the user equipment to correctly receive the public information sent by the network side device.
  • the monitoring configuration information is a ratio of the number of times the user equipment blindly checks different target cells in one subframe; or
  • the monitoring quantity information is the total number of times that the user equipment performs blind detection on each target cell, wherein the total number of blind detections of the multiple target cells is not greater than the maximum number of times the user equipment can perform blind detection; or the monitoring quantity information is the user equipment.
  • the number of blind detections for each aggregation level on each target cell where the total number of blind detections of multiple target cells is not greater than the maximum number of times the user equipment can perform blind detection; or
  • the monitoring quantity information is a proportional division manner in which the user equipment performs blind detection in different target cells.
  • the sending module 310 does not send a downlink signal to the user equipment or does not send the PDCCH CSS signal to the user equipment or does not send the PDCCH CSS signal to the user equipment in a subframe other than the specific subframe set.
  • another network side device provided by an embodiment of the present invention includes: a memory 311 and a processor 312.
  • the processor 312 is configured to execute the monitoring information on the target cell configured for the user equipment, and send a downlink signal to the user equipment according to the monitoring information, so as to implement determining on the target cell configured for the user equipment.
  • the monitoring information the function of transmitting the downlink signal to the user equipment according to the monitoring information; the memory 311, the code for storing the computer program, may be used to configure the processor 312; the processor 312 may include a baseband processing component according to actual needs, A device such as a radio processing unit that transmits information about the user.
  • the monitoring information includes a listening position and/or monitoring configuration information.
  • the downlink signal is a PDCCH signal or an EPDCCH signal or a PDSCH signal.
  • the processor 312 configures the monitoring signal on the target cell for the user equipment by using the high layer signaling. Interest.
  • the monitoring information includes a listening position
  • the processor 312 determines, according to the listening position, a specific subframe set of the user equipment in the target cell, and transmits a downlink signal to the user equipment on at least one of the determined specific subframe sets.
  • the monitoring information includes monitoring configuration information.
  • the processor 312 sends the user equipment-specific PDCCH or EPDCCH to the user equipment according to the monitoring configuration information.
  • the monitoring information includes a listening position and monitoring configuration information
  • the processor 312 determines, according to the monitoring location, the specific subframe set of the user equipment in the target cell, and sends the user equipment-specific PDCCH or EPDCCH to the user equipment in the determined specific subframe set according to the monitoring configuration information or according to the monitoring configuration information.
  • a user equipment-specific PDCCH or EPDCCH is transmitted to the user equipment in a subframe other than the specific subframe set.
  • the target cell is a PCell, and the specific subframe set of the target cell includes subframe 0 and subframe 5.
  • the target cell is a SCell
  • the network uses the Scell to send the public information
  • the subframe included in the specific subframe set of the target cell enables the user equipment to correctly receive the public information sent by the network side device.
  • the monitoring configuration information is a ratio of the number of times the user equipment blindly checks different target cells in one subframe; or
  • the monitoring quantity information is the total number of times that the user equipment performs blind detection on each target cell, wherein the total number of blind detections of the multiple target cells is not greater than the maximum number of times the user equipment can perform blind detection; or the monitoring quantity information is the user equipment.
  • the number of blind detections for each aggregation level on each target cell where the total number of blind detections of multiple target cells is not greater than the maximum number of times the user equipment can perform blind detection; or
  • the monitoring quantity information is a proportional division manner in which the user equipment performs blind detection in different target cells.
  • the processor 312 does not send a downlink signal to the user equipment or does not send the PDCCH CSS signal to the user equipment or does not send the PDCCH CSS signal to the user equipment in a subframe other than the specific subframe set.
  • the user equipment in the system for information transmission in the embodiment of the present invention includes: a second determining module 400 and a processing module 410.
  • the second determining module 400 is configured to determine monitoring information on a target cell configured by the network side device, where the monitoring information includes a monitoring location and/or monitoring configuration information;
  • the processing module 410 is configured to perform monitoring according to the monitoring information, and receive a downlink signal sent by the network side device.
  • the downlink signal is a PDCCH signal or a PDSCH signal.
  • the processing module 410 receives the interception information on the target cell configured by the network side device by using the high layer signaling.
  • the monitoring information includes a listening position
  • the processing module 410 determines a specific subframe set in the target cell according to the listening position; and performs monitoring on at least one subframe in the specific subframe set.
  • the monitoring information includes monitoring configuration information
  • the processing module 410 blindly checks the PDCCH UESS or the EPDCCH UESS according to the interception configuration information.
  • the monitoring information includes a listening position and monitoring configuration information;
  • the processing module 410 determines, according to the listening position, a specific subframe set of the user equipment in the cell; according to the monitoring configuration information, blindly detecting the PDCCH UESS or the EPDCCH UESS in the determined specific subframe set or according to the monitoring configuration information, in the specific subframe set
  • the PDCCH UESS or EPDCCH UESS is blindly detected in the outer subframe.
  • the processing module 410 does not receive the downlink signal on the subframes other than the specific subframe set; or does not blindly check the PDCCH CSS on the subframes other than the determined specific subframe set.
  • the processing module 410 uses the blind detection capability for PDCCH blind detection of other cells in subframes other than the specific subframe set of the target cell.
  • the processing module 410 uses part or all of the blind detection capability for PDCCH blind detection of other cells.
  • the partial blind detection capability is the ability to blindly detect the PDCCH UESS or EPDCCH UESS.
  • the target cell is a PCell, and the specific subframe set of the target cell includes the subframe 0 and the sub-frame. Frame 5.
  • the target cell is a SCell
  • the network uses the Scell to send the public information
  • the subframe included in the target cell specific subframe set enables the user equipment to correctly receive the public information sent by the network side device.
  • the monitoring configuration information is a ratio of the number of times the user equipment blindly checks different target cells in one subframe; or
  • the monitoring quantity information is the total number of times that the user equipment performs blind detection on each target cell, wherein the total number of blind detections of the multiple target cells is not greater than the maximum number of times the user equipment can perform blind detection; or the monitoring quantity information is the user equipment.
  • the number of blind detections for each aggregation level on each target cell where the total number of blind detections of multiple target cells is not greater than the maximum number of times the user equipment can perform blind detection; or
  • the monitoring quantity information is a proportional division manner in which the user equipment performs blind detection in different target cells.
  • another user equipment provided by an embodiment of the present invention includes: a memory 411 and a processor 412.
  • the processor 412 is configured to perform monitoring information on the target cell configured to determine the network side device configuration, perform monitoring according to the monitoring information, and receive a computer program of the downlink signal sent by the network side device, thereby implementing determining the network side.
  • the monitoring information on the target cell configured by the device, the function of monitoring, and receiving the downlink signal sent by the network side device according to the monitoring information; the memory 411, the code for storing the computer program, may be used to configure the processing
  • the processor 412 can include a baseband processing component, a radio frequency processing component, and the like according to actual needs, for transmitting related information.
  • the monitoring information includes a listening position and/or monitoring configuration information.
  • the downlink signal is a PDCCH signal or a PDSCH signal.
  • the processor 412 receives the monitoring information on the target cell configured by the network side device by using the high layer signaling.
  • the monitoring information includes a listening position
  • the processor 412 determines a specific subframe set in the target cell according to the listening position; and performs monitoring on at least one of the specific subframe sets.
  • the monitoring information includes monitoring configuration information;
  • the processor 412 blindly checks the PDCCH UESS or the EPDCCH UESS according to the interception configuration information.
  • the monitoring information includes a listening position and monitoring configuration information;
  • the processor 412 determines, according to the listening position, a specific subframe set of the user equipment in the cell; according to the monitoring configuration information, blindly detecting the PDCCH UESS or the EPDCCH UESS in the determined specific subframe set or according to the monitoring configuration information, in the specific subframe set
  • the PDCCH UESS or EPDCCH UESS is blindly detected in the outer subframe.
  • the processor 412 does not receive the downlink signal on the subframes other than the specific subframe set; or does not blindly check the PDCCH CSS on the subframes other than the determined specific subframe set.
  • the processor 412 uses the blind detection capability for PDCCH blind detection of other cells in subframes other than the specific subframe set of the target cell.
  • processor 412 uses some or all of the blind detection capabilities for PDCCH blind detection of other cells.
  • the partial blind detection capability is the ability to blindly check the PDCCH UESS or EPDCCH UESS.
  • the target cell is a PCell, and the specific subframe set of the target cell includes subframe 0 and subframe 5.
  • the target cell is a SCell
  • the network uses the Scell to send the public information
  • the subframe included in the target cell specific subframe set enables the user equipment to correctly receive the public information sent by the network side device.
  • the monitoring configuration information is a ratio of the number of times the user equipment blindly checks different target cells in one subframe; or
  • the monitoring quantity information is the total number of times that the user equipment performs blind detection on each target cell, wherein the total number of blind detections of the multiple target cells is not greater than the maximum number of times the user equipment can perform blind detection; or the monitoring quantity information is the user equipment.
  • the number of blind detections for each aggregation level on each target cell where the total number of blind detections of multiple target cells is not greater than the maximum number of times the user equipment can perform blind detection; or
  • the monitoring quantity information is a proportional division manner in which the user equipment performs blind detection in different target cells.
  • the embodiment of the present invention further provides a method for transmitting information by a network side device, where the device corresponding to the method is a network side device in the system for information transmission according to the embodiment of the present invention, and the method solves the problem. Similar to the device, the implementation of the method can be referred to the implementation of the device, and the repeated description is not repeated.
  • the method for transmitting information by the network side device includes the following steps: Step 501: The network side device determines the monitoring information on the target cell configured by the user equipment, where the monitoring information includes the monitoring position and/or the monitoring. Configuration information;
  • Step 502 The network side device sends a downlink signal to the user equipment according to the monitoring information.
  • the downlink signal sent by the network side device may be one of the following downlink signals: a downlink control channel, a PDCCH signal, an EPDCCH signal, and a downlink traffic channel PDSCH signal.
  • the network side device can configure the user equipment 20 to monitor information on the target cell through high layer signaling.
  • the following describes the processing methods of the monitoring information including different contents.
  • Method 1 The monitoring information includes the listening position.
  • the listening position indicates the subframe in which the trial needs to be monitored.
  • the subframe identifier may be used as the listening position. For example, if the subframe to be monitored is subframe 6, the 6 may be used as the listening position.
  • the bitmap may also be used as the listening position, where one bit in the bitmap corresponds to one subframe.
  • the frame the value of the bit identifies whether it is a subframe that needs to be monitored. For example, 0 means no, 1 means yes, and subframe 6 and subframe 9 are subframes that need to be monitored, and the bitmap is 000001001.
  • listening position expressions are only examples, and any information that can identify the subframes that need to be monitored can be used as the listening position.
  • the network side device first determines, according to the listening position, a specific subframe set of the user equipment in the target cell; and then sends a downlink signal to the user equipment in at least one subframe in the determined specific subframe set.
  • the network side device does not send a downlink signal on a subframe other than the specific subframe set; or the network side device sends the PDCCH CSS signal on a subframe other than the specific subframe set.
  • the monitoring information includes monitoring configuration information.
  • the listening configuration information here indicates the number of times that blind detection is required on each subframe.
  • the listening configuration information can be:
  • the number of blind detections for each aggregation level of the user equipment on each target cell where the total number of blind detections of the multiple target cells is not greater than the maximum number of times the user equipment can perform blind detection;
  • the proportion division method for blind detection of user equipment in different target cells is the proportion division method for blind detection of user equipment in different target cells.
  • the network side device sends a dedicated PDCCH to the user equipment according to the monitoring configuration information.
  • the method for transmitting the dedicated PDCCH or the EPDCCH to the user equipment may be referred to the 3GPP TS 36.211 and the TS36.213 protocol, and details are not described herein.
  • the monitoring information includes a listening position and a monitoring configuration information.
  • the third method is a combination of the first mode and the second mode. That is, the PDCCH blind check configuration for multiple CCs in the second mode can be applied to only a part of the subframes, and the subframes are notified to the user equipment by the method of the first method.
  • the user equipment monitors the PDCCH of the Pcell and the Scell in a part of the subframe according to the prior art, and monitors the Pcell and the Scell according to the configured PDCCH blind detection configuration division manner in another part of the subframe.
  • the listening position of the mode 3 is the same as that of the mode 1.
  • the monitoring configuration information of the third mode is the same as the monitoring configuration information of the second mode, and the description is not repeated here.
  • the network side device determines, according to the listening position, a specific subframe set of the user equipment in the target cell, and sends a dedicated PDCCH or EPDCCH in the determined specific subframe set according to the interception configuration information;
  • the target cell When the target cell is a PCell, you need to ensure that the user equipment can receive the network correctly on the Pcell.
  • the common information (such as system information, paging message, etc.) sent by the network side device, so the specific subframe set of the target cell includes at least subframe 0 and subframe 5.
  • the target cell is an SCell
  • common information such as system information, paging message, etc.
  • the subframe included in the specific subframe set of the target cell enables the user equipment to correctly receive the network side. Public information sent by the device.
  • the network side device does not send a downlink signal on a subframe other than the specific subframe set; the network side device transmits the PDCCH CSS signal on a subframe other than the specific subframe set.
  • the network side device determines a specific subframe set of the user equipment in the target cell according to the monitoring position, and sends a PDCCH or EPDCCH dedicated to the user equipment to the user equipment in a subframe other than the specific subframe set according to the monitoring configuration information.
  • the embodiment of the present invention further provides a method for receiving information by a user equipment, where the device corresponding to the method is a user equipment in a system for information transmission according to an embodiment of the present invention, and the method solves the problem and the method
  • the devices are similar, so the implementation of the method can be referred to the implementation of the device, and the repeated description will not be repeated.
  • the method for receiving information by a user equipment includes the following steps: Step 601: A user equipment determines interception information on a target cell configured by a network side device, where the interception information includes a monitoring location and/or a monitoring configuration information. ;
  • Step 602 The user equipment monitors according to the monitoring information, and receives a downlink signal sent by the network side device.
  • the user equipment receives the monitoring information on the target cell configured by the network side device through the high layer signaling.
  • the following describes the processing methods of the monitoring information including different contents.
  • Method 1 The monitoring information includes the listening position.
  • the user equipment determines a specific subframe set in the target cell according to the listening position, and performs monitoring on at least one subframe in the specific subframe set.
  • the user equipment listens to all PDCCHs and receives the PDSCH according to the scheduling situation; in other subframes outside the specific subframe set, the user equipment does not receive any What is the downlink signal.
  • the target cell is a PCell
  • the user equipment needs to ensure that the public information (such as system information, paging message, and the like) sent by the network side device is correctly received on the Pcell. Therefore, the specific subframe set of the target cell includes at least the subframe 0 and the sub-frame. Frame 5.
  • the target cell is an SCell
  • common information such as system information, paging message, etc.
  • the subframe included in the specific subframe set of the target cell enables the user equipment to correctly receive the network side. Public information sent by the device.
  • the user equipment does not receive downlink signals on subframes other than the particular set of subframes required. Or the user equipment does not blindly check the PDCCH UESS or the EPDCCH UESS on the subframes other than the determined specific subframe set, only blindly checks the PDCCH CSS, and only receives the data scheduled by the DCI in the PDCCH CSS.
  • the user equipment uses blind detection capability for PDCCH blind detection of other cells in subframes other than the specific subframe set of the target cell.
  • the user equipment may use part or all of the blind detection capability for PDCCH blind detection of other cells.
  • the partial blind detection capability here is the capability of blind detection of the PDCCH or EPDCCH.
  • the monitoring information includes monitoring configuration information.
  • the number of blind detections for each aggregation level of the user equipment on each target cell where the total number of blind detections of the multiple target cells is not greater than the maximum number of times the user equipment can perform blind detection;
  • the proportion division method for blind detection of user equipment in different target cells is the proportion division method for blind detection of user equipment in different target cells.
  • the user equipment blindly checks the PDCCH UESS or EPDCCH according to the interception configuration information.
  • the monitoring information includes a listening position and a monitoring configuration information.
  • the third method is a combination of the first mode and the second mode. That is, the PDCCH blind check configuration for multiple CCs in the second mode can be applied to only a part of the subframes, and the subframes are notified to the user equipment by the method of the first method.
  • the user equipment monitors the PDCCH of the Pcell and the Scell in a part of the subframe according to the prior art, and monitors the Pcell and the Scell according to the configured PDCCH blind detection configuration division manner in another part of the subframe.
  • the listening position of the mode 3 is the same as that of the mode 1.
  • the monitoring configuration information of the third mode is the same as the monitoring configuration information of the second mode, and the description is not repeated here.
  • the user equipment determines a specific subframe set of the target cell according to the listening position, and blindly checks the PDCCH UESS or the EPDCCH UESS in the determined specific subframe set according to the monitoring configuration information.
  • the user equipment listens to all PDCCHs and receives the PDSCH according to the scheduling situation; in other subframes outside the specific subframe set, the user equipment 20 does not receive any downlink signals.
  • the target cell is a PCell
  • the user equipment needs to ensure that the public information (such as system information, paging message, and the like) sent by the network side device is correctly received on the Pcell. Therefore, the specific subframe set of the target cell includes at least the subframe 0 and the sub-frame. Frame 5.
  • the target cell is an SCell
  • common information such as system information, paging message, etc.
  • the subframe included in the specific subframe set of the target cell enables the user equipment to correctly receive the network side. Public information sent by the device.
  • the user equipment does not blindly detect the PDCCH UESS or the EPDCCH UESS on the subframes other than the determined specific subframe set, only blindly checks the PDCCH CSS, and only receives data scheduled by the DCI in the PDCCH CSS.
  • the user equipment uses blind detection capability for PDCCH blind detection of other cells in subframes other than the specific subframe set of the target cell.
  • the user equipment may use part or all of the blind detection capability for PDCCH blind detection of other cells.
  • the partial blind detection capability here is the ability to blindly check the PDCCH UESS or EPDCCH UESS.
  • the user equipment determines a specific subframe set of the target cell according to the listening position; and blindly checks the PDCCH UESS or the EPDCCH UESS in a subframe other than the specific subframe set according to the monitoring configuration information.
  • embodiments of the present invention can be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment, or a combination of software and hardware. Moreover, the invention can be embodied in the form of one or more computer program products embodied on a computer-usable storage medium (including but not limited to disk storage, CD-ROM, optical storage, etc.) in which computer usable program code is embodied.
  • a computer-usable storage medium including but not limited to disk storage, CD-ROM, optical storage, etc.
  • the computer program instructions can also be stored in a computer readable memory that can direct a computer or other programmable data processing device to operate in a particular manner, such that the instructions stored in the computer readable memory produce an article of manufacture comprising the instruction device.
  • the apparatus implements the functions specified in one or more blocks of a flow or a flow and/or block diagram of the flowchart.
  • These computer program instructions can also be loaded onto a computer or other programmable data processing device such that a series of operational steps are performed on a computer or other programmable device to produce computer-implemented processing for execution on a computer or other programmable device. Instructions are provided for implementation in the flowchart The steps of a process or a plurality of processes and/or block diagrams of a function specified in a block or blocks.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

Dans ses modes de réalisation, la présente invention se rapporte à un procédé, à un système et à un dispositif pour la transmission de données. L'invention appartient au domaine technique des communications sans fil. Elle a pour objectif de résoudre les problèmes liés, dans l'état de la technique, au fait qu'une quantité d'énergie est consommée inutilement et que la programmation sur une Scell manque de souplesse dans la mesure où un équipement d'utilisateur doit exécuter une grande quantité d'opérations inutiles afin de surveiller une Pcell. Le procédé décrit dans les modes de réalisation de la présente invention comprend les étapes suivantes : un dispositif sur le côté réseau détermine des informations de surveillance sur une cellule cible configurée pour un équipement d'utilisateur, les informations de surveillance comprenant des informations de surveillance de position et/ou des informations de surveillance de configuration ; et le dispositif sur le côté réseau transmet un signal sur la liaison descendante à l'équipement d'utilisateur sur la base des informations de surveillance. Dans les modes de réalisation de la présente invention, comme le dispositif sur le côté réseau transmet le signal sur la liaison descendante à l'équipement d'utilisateur sur la base des informations de surveillance qui comprennent des informations de surveillance de position et/ou des informations de surveillance de configuration, le nombre de fois où l'équipement d'utilisateur doit exécuter des opérations inutiles afin de surveiller une Pcell est réduit, la consommation d'énergie est réduite et la programmation sur une Scell est moins rigide.
PCT/CN2013/089337 2012-12-28 2013-12-13 Procédé, système et dispositif pour la transmission de données Ceased WO2014101671A1 (fr)

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