WO2024060034A1 - 一种传输系统消息的方法、装置以及可读存储介质 - Google Patents

一种传输系统消息的方法、装置以及可读存储介质 Download PDF

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Publication number
WO2024060034A1
WO2024060034A1 PCT/CN2022/120012 CN2022120012W WO2024060034A1 WO 2024060034 A1 WO2024060034 A1 WO 2024060034A1 CN 2022120012 W CN2022120012 W CN 2022120012W WO 2024060034 A1 WO2024060034 A1 WO 2024060034A1
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Prior art keywords
sis
dci
system message
time window
message time
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PCT/CN2022/120012
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English (en)
French (fr)
Inventor
付婷
吴昱民
Original Assignee
北京小米移动软件有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 北京小米移动软件有限公司 filed Critical 北京小米移动软件有限公司
Priority to PCT/CN2022/120012 priority Critical patent/WO2024060034A1/zh
Priority to CN202280003490.3A priority patent/CN118057983A/zh
Publication of WO2024060034A1 publication Critical patent/WO2024060034A1/zh

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W52/00Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02Power saving arrangements
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/04Wireless resource allocation

Definitions

  • the present disclosure relates to wireless communication technology, and in particular, to a method, device and readable storage medium for transmitting system messages.
  • SI system information
  • the problem of energy saving of the network device and the UE needs to be solved.
  • the present disclosure provides a method, device and readable storage medium for transmitting system messages.
  • the present disclosure provides a method for sending system messages, which is executed by a network device.
  • the method includes:
  • multiple downlink control information DCI corresponding to the SI are sent within a system message time window.
  • the network device after receiving the request message from the user equipment, the network device will send DCI scheduling multiple SIs within a system message time window. Therefore, the network device does not need to be in the working state within multiple system message time windows, reducing the time the network device is in the working state to achieve energy saving of the network device.
  • the one system message time window is a system message time window corresponding to the first SI among the plurality of SIs.
  • the first SI is the SI with the smallest sequence number among the plurality of SIs.
  • the first SI is the SI with the shortest period of the corresponding system message time window among the plurality of SIs.
  • the first SI is the SI with the smallest sequence number among the multiple SIs with the shortest period.
  • sending multiple DCIs corresponding to the SI within a system message time window includes:
  • one DCI for scheduling multiple SIs is sent; wherein the one DCI schedules multiple physical downlink shared channels PDSCH to transmit multiple SIs.
  • the method further includes:
  • a first signaling is sent, where the first signaling is used to indicate that a plurality of requested SIs are sent within a system message time window.
  • sending the first signaling includes:
  • SIB1 System message block 1SIB1 is sent, and the SIB1 includes the first signaling.
  • sending downlink control information DCI corresponding to the plurality of SIs within a system message time window according to the request information includes:
  • the DCI corresponding to the multiple SIs is sent in a broadcast or unicast manner within a system message time window.
  • the method further includes:
  • the setting information field of the one DCI is used to indicate the number of PDSCHs scheduled by the one DCI.
  • the present disclosure provides a method for receiving system messages, which is executed by user equipment.
  • the method includes:
  • the user equipment requests multiple SIs by sending request information, and within a system message time window, monitors and receives DCI for scheduling multiple SIs sent by the network device. This can reduce the time the user equipment is in the monitoring state and achieve energy saving for the user equipment.
  • receiving DCI corresponding to multiple SIs within a system message time window includes:
  • multiple PDSCHs scheduled by the DCI and a corresponding SI carried by each PDSCH are determined.
  • the first SI is the SI with the smallest sequence number among multiple SIs.
  • the first SI is the SI with the shortest period of the corresponding system message time window among the plurality of SIs.
  • the first SI is the SI with the smallest sequence number among the multiple SIs with the shortest period.
  • the method further includes:
  • the first SI is determined according to a protocol-defined manner of determining the first SI.
  • the method further includes:
  • Receive first signaling where the first signaling is used to indicate receiving multiple requested SIs within a system message time window.
  • the method further includes:
  • Receive second signaling where the second signaling is used to instruct one DCI to schedule multiple PDSCHs used to carry SI.
  • the setting information field of the DCI is used to indicate the number of the PDSCHs scheduled by the DCI.
  • the present disclosure provides an apparatus for sending a system message, which may be used to perform the steps performed by a network device in the above-mentioned first aspect or any possible design of the first aspect.
  • the network device can implement each function in the above methods through a hardware structure, a software module, or a hardware structure plus a software module.
  • the device may include a transceiver module, where the transceiver module may be used to support the communication device to communicate.
  • the transceiver module is configured to receive request information sent by the user equipment, where the request information is used to request multiple system messages SI;
  • the transceiver module is further configured to send multiple downlink control information DCI corresponding to the SI within a system message time window according to the request information.
  • the present disclosure provides an apparatus for receiving a system message, which may be used to execute the steps performed by a user equipment in the second aspect or any possible design of the second aspect.
  • the user equipment may implement the functions of the above methods in the form of a hardware structure, a software module, or a hardware structure plus a software module.
  • the device may include a transceiver module, where the transceiver module may be used to support the communication device to communicate.
  • the transceiver module is configured to send request information to the network device, where the request information is used to request multiple system messages SI;
  • the transceiver module is further configured to receive DCI corresponding to multiple SIs within a system message time window.
  • the present disclosure provides a communication device, including a processor and a memory; the memory is used to store a computer program; the processor is used to execute the computer program to implement the first aspect or any one of the first aspects. possible designs.
  • the present disclosure provides a communication device, including a processor and a memory; the memory is used to store a computer program; the processor is used to execute the computer program to implement the second aspect or any one of the second aspects. possible designs.
  • the present disclosure provides a computer-readable storage medium, in which instructions (or computer programs, programs) are stored. When called and executed on a computer, the computer is caused to execute the above-mentioned third step. Any possible design of the aspect or first aspect.
  • the present disclosure provides a computer-readable storage medium in which instructions (or computer programs, programs) are stored, which when called and executed on a computer, cause the computer to execute the above-mentioned Two aspects or any possible design of the second aspect.
  • Figure 1 is a schematic diagram of a wireless communication system architecture provided by an embodiment of the present disclosure
  • Figure 2 is a flow chart of a method of transmitting system messages according to an exemplary embodiment
  • Figure 3 is a flow chart of a method of sending system messages according to an exemplary embodiment
  • Figure 4 is a flow chart of another method of sending system messages according to an exemplary embodiment
  • Figure 5 is a flow chart of another method of sending system messages according to an exemplary embodiment
  • Figure 6 is a flow chart of a method of receiving system messages according to an exemplary embodiment
  • Figure 7 is a flow chart of another method of receiving system messages according to an exemplary embodiment
  • Figure 8 is a block diagram of a device for sending system messages according to an exemplary embodiment
  • Figure 9 is a block diagram of a communication device according to an exemplary embodiment
  • Figure 10 is a block diagram of a device for receiving system messages according to an exemplary embodiment
  • Figure 11 is a block diagram of user equipment according to an exemplary embodiment.
  • first, second, third, etc. may be used to describe various information in the embodiments of the present disclosure, the information should not be limited to these terms. These terms are only used to distinguish information of the same type from each other.
  • first information may also be called second information, and similarly, the second information may also be called first information.
  • the words "if” and “if” as used herein may be interpreted as “when” or “when” or “in response to determining.”
  • a method for transmitting system messages can be applied to a wireless communication system 100 , which may include a network device 101 and a user equipment 102 .
  • the user equipment 102 is configured to support carrier aggregation and can be connected to multiple carrier units of the network device 101, including a primary carrier unit and one or more secondary carrier units.
  • LTE long term evolution
  • FDD frequency division duplex
  • TDD time division duplex
  • WiMAX global Internet microwave access
  • CRAN cloud radio access network
  • 5G fifth generation
  • 5G new wireless (new radio, NR) communication system
  • PLMN public land mobile network
  • the user equipment 102 shown above may be a terminal, an access terminal, a terminal unit, a terminal station, a mobile station (MS), a remote station, a remote terminal, a mobile terminal, a wireless communication device, a terminal Agent or terminal device, etc.
  • the user equipment 102 may be equipped with a wireless transceiver function, which can communicate (such as wireless communication) with one or more network devices of one or more communication systems, and accept network services provided by the network devices.
  • the network devices here include but are not Limited to the network device 101 shown in the figure.
  • the user equipment (UE) 101 can be a cellular phone, a cordless phone, a session initiation protocol (SIP) phone, a wireless local loop (WLL) station, or a personal digital assistant.
  • PDA personal digital assistant
  • handheld devices with wireless communication functions computing devices or other processing equipment connected to wireless modems, vehicle-mounted equipment, wearable devices, terminal equipment in future 5G networks or terminal equipment in future evolved PLMN networks, etc. .
  • the network device 101 may be an access network device (or access network site).
  • access network equipment refers to equipment that provides network access functions, such as wireless access network (radio access network, RAN) base stations and so on.
  • the network device 101 may specifically include a base station (BS), or a base station and a wireless resource management device for controlling the base station, etc.
  • the network device 101 may also include relay stations (relay devices), access points, and base stations in future 5G networks, base stations in future evolved PLMN networks, or NR base stations, etc.
  • Network device 101 may be a wearable device or a vehicle-mounted device.
  • the network device 101 may also be a communication chip having a communication module.
  • the network equipment 101 includes but is not limited to: the next generation base station (gnodeB, gNB) in 5G, the evolved node B (evolved node B, eNB) in the LTE system, the radio network controller (radio network controller, RNC), Node B (NB) in the WCDMA system, wireless controller under the CRAN system, base station controller (BSC), base transceiver station (BTS) in the GSM system or CDMA system, home Base station (for example, home evolved nodeB, or home node B, HNB), baseband unit (baseband unit, BBU), transmission point (transmitting and receiving point, TRP), transmitting point (transmitting point, TP) or mobile switching center, etc.
  • gnodeB next generation base station
  • gNB next generation base station
  • gNB next generation base station
  • gNB next generation base station
  • gNB next generation base station
  • gNB next generation base station
  • gNB next generation base station
  • gNB next generation base station
  • SIB1 contains the scheduling information of one or more SIs.
  • each SI contains one or more SIBs, and the one or more SIBs are other SIBs except SIB1, that is, other system messages (other SI).
  • each SI has its own corresponding system message time window (SI window).
  • SI window system message time window
  • the corresponding SI windows of each SI do not overlap at all in the time domain.
  • the network device can only schedule one SI in one SI window.
  • the network device sends multiple SIs according to the UE request, the multiple SIs need to be sent in multiple SI windows respectively. Therefore, the network device performs multiple SI scheduling in multiple SI windows, and the user equipment also needs to schedule multiple SIs in multiple SI windows. Monitoring and receiving are performed separately in the SI window, which is not conducive to energy saving of network equipment, nor is it conducive to energy saving of user equipment.
  • FIG. 2 is a flowchart of a method of transmitting system messages according to an exemplary embodiment. As shown in Figure 2, the method includes steps S201 to S203, specifically:
  • Step S201 User equipment 102 sends request information to network equipment 101, where the request information is used to request multiple system messages SI.
  • Step S202 The network device 101 sends downlink control information (DCI) corresponding to multiple SIs within a system message time window according to the request information.
  • DCI downlink control information
  • Step S203 The user equipment 102 receives DCI corresponding to multiple SIs within a system message time window.
  • the multiple SIs are SIs in a non-broadcast state.
  • the network device 101 sends the requested multiple SIs in a broadcast or unicast manner according to the request information.
  • each SI corresponds to an SI window by default.
  • the system message time window in which the network device 101 sends DCI is the first SI window, and the first SI window is one selected from the SI windows corresponding to multiple SIs by default.
  • the protocol defines a method or rule for determining the first SI.
  • the network device 101 and the user equipment 102 can determine the first SI among the multiple SIs according to the method or rule for determining the first SI, thereby determining the first SI window corresponding to the first SI.
  • the network device 101 configures a method or rule for determining the first SI.
  • the network device 101 sends multiple SIs in the first SI window corresponding to the first SI.
  • the user equipment 102 determines the first SI among the multiple SIs according to the configuration of the network device 101, and determines the first SI window corresponding to the first SI.
  • the method or rule for determining the first SI may be one of the following:
  • the first SI is the SI with the smallest sequence number among multiple SIs
  • the first SI is the SI with the shortest period of the corresponding system message time window among the multiple SIs;
  • the first SI is the SI with the smallest sequence number among the multiple SIs with the shortest period.
  • the user equipment 102 monitors the physical downlink control channel (PDCCH) in the first SI window and obtains the DCI sent by the network device 101. According to the DCI, the user equipment 102 learns multiple physical downlink shared channels (Physical Downlink Shared channel, PDSCH) scheduled by the DCI, and the SI carried by the PDSCH.
  • PDCCH physical downlink control channel
  • PDSCH Physical Downlink Shared channel
  • the network device 101 or the user equipment 102 can determine the first SI window corresponding to the first SI in the following manner.
  • SI window length (SI window length) of each scheduled SI is the same, and the SI window length is in time slots.
  • the network device 101 or the user device 102 can determine the system frame number (System Frame Number, SFN) of the first SI window corresponding to the first SI in the following manner:
  • the network device 101 after receiving the request message from the user equipment 102, the network device 101 will send DCI scheduling multiple SIs within a system message time window.
  • the user equipment 102 monitors and receives DCI scheduling multiple SIs within the one system message time window. Therefore, the network device 101 and the user equipment 102 do not need to be in the working state within multiple system message time windows, and the time the network device 101 and the user equipment 102 are in the working state is reduced to achieve energy saving for the network device 101 and the user equipment 102.
  • FIG. 3 is a flowchart of a method for sending system messages according to an exemplary embodiment. As shown in Figure 3, the method includes steps S301 to S302, specifically:
  • Step S301 The network device 101 receives the request information sent by the user equipment 102.
  • the request information is used to request multiple system messages SI.
  • Step S302 The network device 101 sends downlink control information DCI corresponding to multiple SIs within a system message time window according to the request information.
  • the system message time window in which the network device 101 sends DCI is the first SI window, and the first SI window is one selected from the SI windows corresponding to multiple SI defaults.
  • one system message time window is the system message time window corresponding to the first SI among the multiple SIs.
  • the protocol defines a method or rule for determining the first SI.
  • the network device 101 and the user device 102 can determine the first SI among multiple SIs according to the method or rule for determining the first SI, thereby determining the first SI window corresponding to the first SI.
  • the network device 101 configures a method or rule for determining the first SI.
  • the network device 101 sends multiple SIs in the first SI window corresponding to the first SI.
  • the user equipment 102 determines the first SI among the multiple SIs according to the configuration of the network device 101, and determines the first SI window corresponding to the first SI.
  • the multiple SIs are SIs in a non-broadcast state.
  • This step S302 may include the following step S302':
  • Step S302' the network device 101 sends DCI corresponding to multiple SIs in a system message time window through broadcast or unicast according to the request information.
  • the network device 101 when the user equipment 102 sends request information using msg3 in the random access process, the network device 101 sends the requested SI in a broadcast manner.
  • the network device 101 after receiving the request message from the user equipment 102, the network device 101 will send DCI scheduling multiple SIs within a system message time window. Therefore, the network device 101 does not need to be in the working state within multiple system message time windows, and the time the network device 101 is in the working state is reduced to achieve energy saving of the network device 101 .
  • the embodiment of the present disclosure provides a method for sending system messages, which is executed by the network device 101.
  • the method includes steps S301 to S302, specifically:
  • Step S301 The network device 101 receives the request information sent by the user equipment 102.
  • the request information is used to request multiple system messages SI.
  • Step S302 The network device 101 sends downlink control information DCI corresponding to multiple SIs within a system message time window according to the request information.
  • the first SI is the SI with the smallest sequence number among the multiple SIs.
  • the sequence numbers corresponding to multiple SIs may be indicated by SIB1.
  • SIB1 includes the sequence number of one or more SIs and the corresponding scheduling information, the SI window period, SI window length, etc. of each SI.
  • the network device indicates the scheduling information of multiple SIs by sending SIB1.
  • multiple SIs include: SI 1, SI 2, SI 3, SI 4, etc.
  • SI 1 is the SI with the smallest sequence number
  • SI window1 corresponding to SI 1 is located in the frontmost time slot position in the SI broadcast cycle.
  • the network device 101 uses SI 1 as the first SI and SI window1 as the first SI window.
  • the network device 101 sends SI 1, SI 2, SI 3 and SI 4 requested by the UE.
  • the network device 101 selects the SI window corresponding to the SI with the smallest sequence number as the first SI window, and sends multiple SIs requested by the UE in the earliest time window in the SI broadcast cycle. Therefore, in the SI broadcast cycle , the UE can receive all requested SIs as early as possible, improving scheduling efficiency.
  • the embodiment of the present disclosure provides a method for sending system messages, which is executed by the network device 101.
  • the method includes steps S301 to S302, specifically:
  • Step S301 The network device 101 receives the request information sent by the user equipment 102.
  • the request information is used to request multiple system messages SI.
  • Step S302 The network device 101 sends downlink control information DCI corresponding to multiple SIs within a system message time window according to the request information.
  • the first SI is the SI with the shortest period of the corresponding system message time window among the multiple SIs.
  • the periods of the system message time windows corresponding to each SI are different.
  • the maximum period is The minimum period is an integer multiple of the minimum period
  • the larger period is an integer multiple of the minimum period
  • the maximum period is an integer multiple of the larger period
  • the network device indicates the scheduling information of multiple SIs by sending SIB1.
  • multiple SIs include: SI 1 and SI 2.
  • the period corresponding to SI 1 is 8 radio frames, and the period corresponding to SI 2 is 16 radio frames.
  • one wireless frame is 10ms.
  • the network device 101 may determine that SI 1 is the first SI, and SI window 1 corresponding to the first SI is the first SI window. In the first SI window, the network device 101 sends SI 1 and SI 2 requested by the UE.
  • the network device 101 selects the SI window with the smallest period as the first SI window, and sends multiple requested SIs in the SI window with the smallest period, which is beneficial to reducing the delay in scheduling SI.
  • the embodiment of the present disclosure provides a method for sending system messages, which is executed by the network device 101.
  • the method includes steps S301 to S302, specifically:
  • Step S301 the network device 101 receives request information sent by the user equipment 102, where the request information is used to request multiple system messages SI.
  • Step S302 The network device 101 sends downlink control information DCI corresponding to multiple SIs within a system message time window according to the request information.
  • the first SI is the SI with the smallest sequence number among the multiple SIs with the shortest period.
  • the period of the system message time window corresponding to each SI is at least partially the same.
  • the network device indicates the scheduling information of multiple SIs by sending SIB1.
  • multiple SIs include: SI 1, SI 2 and SI 3.
  • the corresponding periods of SI 2 and SI 3 are 8 wireless frames, and the corresponding period of SI 1 is 16 wireless frames.
  • SI 2 and SI 3 have the shortest periods, and the sequence number corresponding to SI 2 is small.
  • Network device 101 may determine SI 2 as the first SI. In the first SI window corresponding to the first SI, the network device 101 sends SI 1, SI 2 and SI 3 requested by the UE.
  • the network device 101 selects the first SI window with the smallest sequence number among the multiple SI windows with the smallest period, and sends multiple requested SIs, which helps the UE receive the SI as early as possible and reduces the delay in scheduling the SI.
  • the embodiment of the present disclosure provides a method for sending system messages, which is executed by the network device 101.
  • the method includes steps S301 to S302', specifically:
  • Step S301 The network device 101 receives the request information sent by the user equipment 102.
  • the request information is used to request multiple system messages SI.
  • Step S302' according to the request information, the network device 101 sends a DCI for scheduling multiple SIs within the system message time window corresponding to the first SI; wherein, one DCI schedules multiple physical downlink shared channels PDSCH to transmit multiple SI.
  • the network device 101 schedules multiple requested SIs through one DCI, which can save the number of broadcasts or signaling by the network device 101 and further save energy consumption.
  • FIG. 4 is a flowchart of a method for sending system messages according to an exemplary embodiment. As shown in Figure 4, the method includes steps S401 to S403, specifically:
  • Step S401 The network device 101 receives the request information sent by the user equipment 102.
  • the request information is used to request multiple system messages SI.
  • Step S402 The network device 101 sends first signaling, which is used to instruct multiple requested SIs to be sent within a system message time window.
  • Step S403 The network device 101 sends downlink control information DCI corresponding to multiple SIs within a system message time window according to the request information.
  • step S403 can also be executed first and then step S402.
  • the network device 101 may send RRC signaling including the first signaling.
  • step S402 may include the following step S402':
  • Step S402' send the system message block 1SIB1, where SIB1 includes the first signaling.
  • the network device 101 sends a DCI for scheduling multiple SIs in the first SI window according to the request information.
  • the network device 101 instructs the user equipment 102 to send multiple requested SIs within a system message time window by sending the first signaling, so that the user equipment 102 can adjust the way of receiving SIs.
  • FIG. 5 is a flowchart of a method of sending system messages according to an exemplary embodiment. As shown in Figure 5, the method includes steps S501 to S503, specifically:
  • Step S501 The network device 101 receives the request information sent by the user equipment 102.
  • the request information is used to request multiple system messages SI.
  • Step S502 The network device 101 sends second signaling.
  • the second signaling is used to instruct multiple PDSCHs used to carry SI to be scheduled through one DCI.
  • Step S503 The network device 101 sends downlink control information DCI corresponding to multiple SIs within a system message time window according to the request information.
  • step S503 can also be executed first and then step S502.
  • the network device 101 may also send the first signaling and the second signaling.
  • the one DCI is scrambled by the SI Radio Network Temporary Identifier (SI-RNTI), and the one DCI schedules multiple PDSCHs to carry multiple SIs.
  • SI-RNTI SI Radio Network Temporary Identifier
  • the SI corresponding to the first SI window is carried on the first PDSCH by default, and other SIs adjusted to be scheduled within the first SI window are carried on the first PDSCH. on the second or subsequent PDSCH.
  • the legacy UE that is, for the legacy UE that cannot apply the disclosed method, it can still obtain the SI in the first PDSCH according to the R17 and previous version protocols, and there is no need to obtain the SI in the window to carry the rest. SI PDSCH.
  • the UE requests SI 1 and SI 2 from the network device.
  • the network device indicates the scheduling information of multiple requested SIs by sending SIB1.
  • the multiple SIs include: SI 1 and SI 2, where SI 1 includes SIB2 and SIB3, and SI 2 includes SIB4 and SIB5.
  • the default time window corresponding to SI 1 is SI window 1
  • the default time window corresponding to SI 2 is SI window 2.
  • the network device 101 schedules the requested SI 1 in SI window 1, for example, broadcasts the first DCI in SI window 1, the first DCI is used to schedule the first PDSCH, and the first PDSCH carries SI 1.
  • the network device 101 schedules the requested SI 2 in SI window 2, for example, broadcasts the second DCI in SI window 2.
  • the second DCI is used to schedule the second PDSCH, and the second PDSCH carries SI 2. Therefore, the network device 101 needs to send messages in multiple SI windows.
  • the user equipment 102 also needs to monitor the PDCCH in each SI window to receive SI, which is not conducive to energy saving of the network device 101 and the user equipment 102.
  • the network device 101 will schedule the requested SI1 and SI2 in SI window 1. For example, within SI window 1, network device 101 sends a DCI, which schedules the first PDSCH and the second PDSCH.
  • the first PDSCH is used to carry the SI 1 corresponding to SI window 1 by default, and the second PDSCH is used to Host SI2.
  • the setting information field of a DCI is used to indicate the number of PDSCHs scheduled by a DCI.
  • the setting information field may occupy, for example, 2 bits.
  • the setting information field is configured in a reserved bit of a DCI.
  • DCI format 1-0 when DCI format 1-0 is used to schedule SI, according to the existing protocol, there will be 17 bits of reserved bits at the end of DCI 1-0 in the licensed spectrum, and there will be 15 bits of reserved bits at the end of DCI 1-0 in the unlicensed spectrum.
  • One or more bits of the reserved bits are used as the setting information field. It can be understood that for legacy UE, it will not obtain the information in the reserved bits, so it will not affect the normal reception of DCI by legacy UE.
  • the network device 101 schedules multiple SIs through one DCI, and on the basis of achieving energy saving effects, the behavior of legacy UEs is not affected during the scheduling process.
  • FIG. 6 is a flowchart of a method of receiving system messages according to an exemplary embodiment. As shown in Figure 6, the method includes steps S601 to S602, specifically:
  • Step S601 The user equipment 102 sends request information to the network device 101.
  • the request information is used to request multiple system messages SI.
  • Step S602 Within a system message time window, the user equipment 102 receives DCI corresponding to multiple SIs.
  • the network device 101 sends DCI scheduling multiple SIs in a broadcast or unicast manner.
  • the system message time window is the first SI window, and the first SI window is one selected from multiple default SI windows corresponding to the SI.
  • the user equipment 102 requests multiple SIs by sending request information, and within a system message time window, monitors and receives DCI for scheduling multiple SIs sent by the network device 101. Therefore, the time that the user equipment 102 is in the listening state can be reduced, and energy saving of the user equipment can be achieved.
  • FIG. 7 is a flow chart of a method of receiving system messages according to an exemplary embodiment. As shown in Figure 7, the method includes steps S701 to S703, specifically:
  • Step S701 The user equipment 102 sends request information to the network device 101.
  • the request information is used to request multiple system messages SI.
  • Step S702 within a system message time window corresponding to a first SI among multiple SIs, the user equipment 102 receives a DCI that schedules multiple SIs.
  • Step S703 The user equipment 102 determines multiple PDSCHs scheduled by the DCI and a corresponding SI carried by each PDSCH based on one DCI.
  • one DCI schedules multiple PDSCHs carrying SI.
  • the user equipment 102 obtains its scheduled multiple SIs according to the DCI.
  • This DCI is scrambled using SI-RNTI.
  • the embodiment of the present disclosure provides a method for receiving system messages, which is executed by the user equipment 102.
  • the method includes steps S601 to S602, or the method includes steps S701 to S703;
  • the first SI is the SI with the smallest sequence number among the multiple SIs.
  • the sequence numbers corresponding to multiple SIs may be indicated by SIB1.
  • SIB1 includes the sequence number of one or more SIs and the corresponding scheduling information, the SI window period, SI window length, etc. of each SI.
  • the UE can receive all requested SIs as early as possible, thereby improving scheduling efficiency.
  • the embodiment of the present disclosure provides a method for receiving system messages, which is executed by the user equipment 102.
  • the method includes steps S601 to S602, or the method includes steps S701 to S703;
  • the first SI is the SI with the shortest period of the corresponding system message time window among the multiple SIs.
  • the periods of the system message time windows corresponding to each SI are different.
  • the maximum period is The minimum period is an integer multiple of the minimum period
  • the larger period is an integer multiple of the minimum period
  • the maximum period is an integer multiple of the larger period
  • multiple SIs are received in the SI window with the smallest period to reduce the delay in scheduling SIs.
  • the embodiment of the present disclosure provides a method for receiving a system message, which is executed by the user equipment 102.
  • the method includes steps S601 to S602, or the method includes steps S701 to S703;
  • the first SI is the SI with the smallest sequence number among the multiple SIs with the shortest period.
  • periods of system message time windows corresponding to the respective SIs are at least partially the same.
  • the one with the smallest sequence number among multiple SI windows with the smallest period is selected as the first SI window, which helps the UE receive the SI as early as possible and reduces the delay in scheduling the SI.
  • the embodiment of the present disclosure provides a method for receiving system messages, which is executed by the user equipment 102.
  • the method includes steps S701, S701', S702 and S703, specifically:
  • Step S701 User equipment 102 sends request information to network equipment 101, where the request information is used to request multiple system messages SI.
  • Step S701' the user equipment 102 receives the configuration information sent by the network device 101, and determines the first SI according to the configuration information; it is used to configure a method for determining the first SI; or, the user equipment 102 determines the first SI according to the method defined by the protocol, Determine the first SI.
  • Step S702 Within the system message time window corresponding to the first SI among the multiple SIs, the user equipment 102 receives a DCI that schedules multiple SIs.
  • Step S703 The user equipment 102 determines multiple PDSCHs scheduled by the DCI and a corresponding SI carried by each PDSCH based on one DCI.
  • the configuration information is used to configure a method of determining the first SI for the user equipment.
  • the method of determining the first SI may be one of the following:
  • the first SI is the SI with the smallest sequence number among multiple SIs
  • the first SI is the SI with the shortest period of the corresponding system message time window among the multiple SIs;
  • the first SI is the SI with the smallest sequence number among the multiple SIs with the shortest period.
  • the user equipment 102 may determine the first SI and the first SI window according to the configuration of the network device 101 or according to the protocol definition.
  • the embodiment of the present disclosure provides a method for receiving system messages, which is executed by the user equipment 102.
  • the method includes steps S601, S601' and S602, specifically:
  • Step S601 The user equipment 102 sends request information to the network device 101.
  • the request information is used to request multiple system messages SI.
  • Step S601' the user equipment 102 receives the first signaling, which is used to indicate receiving multiple requested SIs within a system message time window.
  • Step S602 Within a system message time window, the user equipment 102 receives DCI corresponding to multiple SIs.
  • the network device 101 may include the first signaling through sent RRC signaling or SIB1.
  • the embodiment of the present disclosure provides a method for receiving system messages, which is executed by the user equipment 102.
  • the method includes steps S601, S601" and S602, specifically:
  • Step S601 The user equipment 102 sends request information to the network device 101.
  • the request information is used to request multiple system messages SI.
  • Step S601 the user equipment 102 receives the second signaling.
  • the second signaling is used to instruct one DCI to schedule multiple PDSCHs used to carry SI.
  • Step S602 Within a system message time window, the user equipment 102 receives DCI corresponding to multiple SIs.
  • the one DCI is SI-RNTI scrambled, and multiple PDSCHs are scheduled to carry multiple SIs.
  • the SI corresponding to the first SI window is carried on the first PDSCH by default, and other SIs adjusted to be scheduled within the first SI window are carried on the first PDSCH. on the second or subsequent PDSCH.
  • the legacy UE that is, for the legacy UE, it only needs to obtain the SI in the first PDSCH.
  • the network device 101 may further send a first signaling and a second signaling, and the user equipment 102 receives the first signaling and the second signaling.
  • the setting information field of a DCI is used to indicate the number of PDSCHs scheduled by a DCI.
  • the setting information field is configured in a reserved bit of a DCI so as not to affect the legacy UE's normal reception of DCI.
  • embodiments of the present disclosure also provide a device for sending system messages.
  • This device can have the functions of the network device 101 in the above method embodiments, and can be used to perform the functions provided by the above method embodiments. Steps performed by network device 101.
  • This function can be implemented by hardware, or it can be implemented by software or hardware executing corresponding software.
  • the hardware or software includes one or more modules corresponding to the above functions.
  • the device 800 shown in Figure 8 can serve as the network device 101 involved in the above method embodiment, and perform the steps performed by the network device 101 in the above method embodiment.
  • the device 800 may include a transceiver module 801, where the transceiver module 801 may be used to support the communication device to communicate.
  • the transceiver module 801 is configured to receive request information sent by the user equipment, where the request information is used to request multiple system messages SI;
  • the transceiver module 801 is also configured to send downlink control information DCI corresponding to multiple SIs within a system message time window according to the request information.
  • one system message time window is the system message time window corresponding to the first SI among the multiple SIs.
  • the first SI is the SI with the smallest sequence number among the multiple SIs.
  • the first SI is the SI with the shortest period of the corresponding system message time window among the multiple SIs.
  • the first SI is the SI with the smallest sequence number among the multiple SIs with the shortest period.
  • the transceiver module 801 is further configured to send one DCI for scheduling multiple SIs within the system message time window corresponding to the first SI; wherein one DCI schedules multiple physical downlink shared channels. PDSCH to transmit multiple SIs.
  • the transceiver module 801 is further configured to send first signaling, where the first signaling is used to indicate sending multiple requested SIs within a system message time window.
  • the transceiver module 801 is further configured to send system message block 1SIB1, where SIB1 includes the first signaling.
  • the transceiver module 801 is also configured to send DCI corresponding to multiple SIs in a system message time window through broadcast or unicast according to the request information.
  • the transceiver module 801 is further configured to send second signaling, where the second signaling is used to instruct multiple PDSCHs used to carry SI to be scheduled through one DCI.
  • the setting information field of a DCI is used to indicate the number of PDSCHs scheduled by a DCI.
  • the communication device When the communication device is a network device 101, its structure may also be as shown in Figure 9. Taking a base station as an example to illustrate the structure of a communication device.
  • the device 900 includes a memory 901, a processor 902, a transceiver component 903, and a power supply component 906.
  • the memory 901 is coupled with the processor 902 and can be used to store programs and data necessary for the communication device 900 to implement various functions.
  • the processor 902 is configured to support the communication device 900 to perform corresponding functions in the above method, and the functions can be implemented by calling a program stored in the memory 901 .
  • the transceiver component 903 may be a wireless transceiver, which may be used to support the communication device 900 to receive signaling and/or data through a wireless air interface, and to send signaling and/or data.
  • the transceiver component 903 may also be called a transceiver unit or a communication unit.
  • the transceiver component 903 may include a radio frequency component 904 and one or more antennas 905.
  • the radio frequency component 904 may be a remote radio unit (RRU). Specifically, It can be used for the transmission of radio frequency signals and the conversion of radio frequency signals and baseband signals.
  • the one or more antennas 905 can be specifically used for radiating and receiving radio frequency signals.
  • the processor 902 can perform baseband processing on the data to be sent, and then output the baseband signal to the radio frequency unit.
  • the radio frequency unit performs radio frequency processing on the baseband signal and then sends the radio frequency signal in the form of electromagnetic waves through the antenna.
  • the radio frequency unit receives the radio frequency signal through the antenna, converts the radio frequency signal into a baseband signal, and outputs the baseband signal to the processor 902.
  • the processor 902 converts the baseband signal into data and processes the data. for processing.
  • embodiments of the present disclosure also provide a device for receiving system messages.
  • the device can have the functions of the user equipment 102 in the above method embodiments, and can be used to perform the functions provided by the above method embodiments. Steps performed by user device 102.
  • This function can be implemented by hardware, or it can be implemented by software or hardware executing corresponding software.
  • the hardware or software includes one or more modules corresponding to the above functions.
  • the communication device 1000 shown in FIG10 may be used as the user equipment 102 involved in the above method embodiment, and execute the steps performed by the user equipment 102 in the above method embodiment.
  • the communication device 1000 may include a transceiver module 1001, wherein the transceiver module 1001 may be used to support the communication device to communicate, and the transceiver module 1001 may have a wireless communication function, for example, being able to communicate wirelessly with other communication devices through a wireless air interface.
  • the transceiver module 1001 When performing the steps implemented by the user equipment 102, the transceiver module 1001 is configured to send request information to the network device, where the request information is used to request multiple system messages SI;
  • the transceiver module 1001 is also configured to receive DCI corresponding to multiple SIs within a system message time window.
  • the transceiver module 1001 is further configured to receive a DCI that schedules multiple SIs within the system message time window corresponding to the first SI among the multiple SIs;
  • Apparatus 1000 also includes a processing module coupled with the transceiver module.
  • the processing module is configured to, according to one DCI, determine multiple PDSCHs scheduled by the DCI and a corresponding SI carried by each PDSCH.
  • the first SI is the SI with the smallest sequence number among the multiple SIs.
  • the first SI is the SI with the shortest period of the corresponding system message time window among the multiple SIs.
  • the first SI is the SI with the smallest sequence number among the multiple SIs with the shortest period.
  • the transceiver module 1001 is further configured to receive configuration information sent by the network device, and determine the first SI according to the configuration information;
  • the processing module is further configured to determine the first SI according to a method of determining the first SI defined by the protocol.
  • the transceiver module 1001 is further configured to receive first signaling, where the first signaling is used to indicate receiving multiple requested SIs within a system message time window.
  • the transceiver module 1001 is further configured to receive second signaling, where the second signaling is used to instruct one DCI to schedule multiple PDSCHs used to carry SI.
  • the setting information field of a DCI is used to indicate the number of PDSCHs scheduled by a DCI.
  • the device 1100 may include one or more of the following components: a processing component 1102, a memory 1104, a power supply component 1106, a multimedia component 1108, an audio component 1110, an input/output (I/O) interface 1112, a sensor component 1114, and communications component 1116.
  • a processing component 1102 a memory 1104
  • a power supply component 1106 a multimedia component 1108, an audio component 1110, an input/output (I/O) interface 1112, a sensor component 1114, and communications component 1116.
  • I/O input/output
  • Processing component 1102 generally controls the overall operations of device 1100, such as operations associated with display, phone calls, data communications, camera operations, and recording operations.
  • the processing component 1102 may include one or more processors 1120 to execute instructions to complete all or part of the steps of the above method.
  • processing component 1102 may include one or more modules that facilitate interaction between processing component 1102 and other components.
  • processing component 1102 may include a multimedia module to facilitate interaction between multimedia component 1108 and processing component 1102.
  • Memory 1104 is configured to store various types of data to support operations at device 1100 . Examples of such data include instructions for any application or method operating on device 1100, contact data, phonebook data, messages, pictures, videos, etc.
  • Memory 1104 may be implemented by any type of volatile or non-volatile storage device, or a combination thereof, such as static random access memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EEPROM), Programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic or optical disk.
  • SRAM static random access memory
  • EEPROM electrically erasable programmable read-only memory
  • EEPROM erasable programmable read-only memory
  • EPROM Programmable read-only memory
  • PROM programmable read-only memory
  • ROM read-only memory
  • magnetic memory flash memory
  • flash memory magnetic or optical disk.
  • Power supply component 1106 provides power to various components of device 1100 .
  • Power supply components 1106 may include a power management system, one or more power supplies, and other components associated with generating, managing, and distributing power to device 1100 .
  • Multimedia component 1108 includes a screen that provides an output interface between device 1100 and the user.
  • the screen may include a liquid crystal display (LCD) and a touch panel (TP). If the screen includes a touch panel, the screen may be implemented as a touch screen to receive input signals from the user.
  • the touch panel includes one or more touch sensors to sense touches, swipes, and gestures on the touch panel. A touch sensor can not only sense the boundaries of a touch or swipe action, but also detect the duration and pressure associated with the touch or swipe action.
  • multimedia component 1108 includes a front-facing camera and/or a rear-facing camera.
  • the front camera and/or the rear camera may receive external multimedia data.
  • Each front-facing camera and rear-facing camera can be a fixed optical lens system or have a focal length and optical zoom capabilities.
  • Audio component 1110 is configured to output and/or input audio signals.
  • audio component 1110 includes a microphone (MIC) configured to receive external audio signals when device 1000 is in operating modes, such as call mode, recording mode, and speech recognition mode. The received audio signals may be further stored in memory 1104 or sent via communications component 1116 .
  • audio component 1110 also includes a speaker for outputting audio signals.
  • the I/O interface 1112 provides an interface between the processing component 1102 and a peripheral interface module.
  • the peripheral interface module may be a keyboard, a click wheel, a button, etc. These buttons may include, but are not limited to: Home button, Volume buttons, Start button, and Lock button.
  • Sensor component 1114 includes one or more sensors for providing various aspects of status assessment for device 1100 .
  • the sensor component 1114 can detect the open/closed state of the device 1100, the relative positioning of components, such as the display and keypad of the device 1100, the sensor component 1114 can also detect the position change of the device 1100 or a component of the device 1100, the user The presence or absence of contact with the device 1100 , device 1100 orientation or acceleration/deceleration and temperature changes of the device 1100 .
  • Sensor assembly 1114 may include a proximity sensor configured to detect the presence of nearby objects without any physical contact.
  • Sensor assembly 1114 may also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications.
  • the sensor component 1114 may also include an acceleration sensor, a gyroscope sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.
  • Communications component 1116 is configured to facilitate wired or wireless communications between device 1100 and other devices.
  • Device 1100 may access a wireless network based on a communication standard, such as WiFi, 2G or 3G, or a combination thereof.
  • the communication component 1116 receives broadcast signals or broadcast related information from an external broadcast management system via a broadcast channel.
  • communications component 1116 also includes a near field communications (NFC) module to facilitate short-range communications.
  • NFC near field communications
  • the NFC module can be implemented based on radio frequency identification (RFID) technology, infrared data association (IrDA) technology, ultra-wideband (UWB) technology, Bluetooth (BT) technology and other technologies.
  • RFID radio frequency identification
  • IrDA infrared data association
  • UWB ultra-wideband
  • Bluetooth Bluetooth
  • apparatus 1100 may be configured by one or more application specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field programmable Gate array (FPGA), controller, microcontroller, microprocessor or other electronic components are implemented for executing the above method.
  • ASICs application specific integrated circuits
  • DSPs digital signal processors
  • DSPDs digital signal processing devices
  • PLDs programmable logic devices
  • FPGA field programmable Gate array
  • controller microcontroller, microprocessor or other electronic components are implemented for executing the above method.
  • non-transitory computer-readable storage medium including instructions, such as a memory 1104 including instructions, which are executable by the processor 1120 of the device 1100 to complete the above method is also provided.
  • non-transitory computer-readable storage media may be ROM, random access memory (RAM), CD-ROM, magnetic tape, floppy disk, optical data storage device, etc.
  • the network device after receiving the request message from the user equipment, the network device will send DCI for scheduling multiple SIs within a system message time window.
  • the user equipment monitors and receives DCI scheduling multiple SIs within the one system message time window. Therefore, network equipment and user equipment do not need to be in a working state within multiple system message time windows, reducing the time that network equipment and user equipment are in a working state, thereby achieving energy saving for network equipment and user equipment.

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Abstract

本公开提供一种传输系统消息的方法、装置以及可读存储介质,该方法包括:接收用户设备发送的请求信息,请求信息用于请求多个系统消息SI;根据请求信息,在一个系统消息时间窗内发送多个SI对应的下行控制信息DCI。本公开实施例中,网络设备在收到用户设备的请求消息后,将在一个系统消息时间窗内发送调度多个SI的DCI。从而网络设备不需要在多个系统消息时间窗内都处于工作状态,减少网络设备处于工作状态的时间,以实现网络设备的节能。

Description

一种传输系统消息的方法、装置以及可读存储介质 技术领域
本公开涉及无线通信技术,尤其涉及一种传输系统消息的方法、装置以及可读存储介质。
背景技术
在5G新无线(New Radio,NR)的一些场景中,例如小区搜索场景,用户设备(User Equipment,UE)需要获取系统消息(System Information,SI)。SI按照广播状态可以分为如下两种:一是网络设备按照SI的周期主动广播SI,此为广播状态;二是网络设备不主动广播,而是根据UE的请求发送SI,此为非广播状态。
在网络设备根据UE请求发送多个SI的场景下,需要解决网络设备和UE节能的问题。
发明内容
本公开提供了一种传输系统消息的方法、装置及可读存储介质。
第一方面,本公开提供一种发送系统消息的方法,被网络设备执行,所述方法包括:
接收用户设备发送的请求信息,所述请求信息用于请求多个系统消息SI;
根据所述请求信息,在一个系统消息时间窗内发送多个所述SI对应的下行控制信息DCI。
本公开的方法中,网络设备在收到用户设备的请求消息后,将在一个系统消息时间窗内发送调度多个SI的DCI。从而网络设备不需要在多个系统消息时间窗内都处于工作状态,减少网络设备处于工作状态的时间,以实现网络设备的节能。
在一些可能的实施方式中,所述一个系统消息时间窗为多个所述SI中第一SI对应的系统消息时间窗。
在一些可能的实施方式中,所述第一SI为多个所述SI中序号最小的SI。
在一些可能的实施方式中,所述第一SI为多个所述SI中对应的系统消息时间窗的周期最短的SI。
在一些可能的实施方式中,在周期最短的SI为多个时,所述第一SI为周期最短的多个SI中序号最小的SI。
在一些可能的实施方式中,所述在一个系统消息时间窗内发送多个所述SI对应的DCI,包括:
在所述第一SI对应的系统消息时间窗内,发送用于调度多个SI的一个DCI;其中,所述一个DCI调度多个物理下行共享信道PDSCH以传输多个SI。
在一些可能的实施方式中,所述方法还包括:
发送第一信令,所述第一信令用于指示在一个系统消息时间窗内发送多个被请求的SI。
在一些可能的实施方式中,所述发送第一信令,包括:
发送系统消息块1SIB1,所述SIB1包括所述第一信令。
在一些可能的实施方式中,所述根据所述请求信息,在一个系统消息时间窗内发送多个所述SI对应的下行控制信息DCI,包括:
根据所述请求信息,在一个系统消息时间窗内,通过广播或单播的方式发送多个所述SI对应的所述DCI。
在一些可能的实施方式中,所述方法还包括:
发送第二信令,所述第二信令用于指示通过一个DCI调度多个用于承载SI的PDSCH。
在一些可能的实施方式中,所述一个DCI的设定信息域用于指示所述一个DCI调度的所述PDSCH的数量。
第二方面,本公开提供一种接收系统消息的方法,被用户设备执行,所述方法包括:
向网络设备发送请求信息,所述请求信息用于请求多个系统消息SI;
在一个系统消息时间窗内,接收多个SI对应的DCI。
本公开的方法中,用户设备通过发送请求信息请求多个SI,并在一个系统消息时间窗内,监听并接收网络设备发送的调度多个SI的DCI。从而可以减少用户设备处于监听状态的时间,实现用户设备的节能。
在一些可能的实施方式中,所述在一个系统消息时间窗内,接收多个SI对应的DCI,包括:
在多个SI中第一SI对应的系统消息时间窗内,接收调度多个SI的一个DCI;
根据所述一个DCI,确定该DCI调度的多个PDSCH以及每个PDSCH所承载的对应的一个SI。
在一些可能的实施方式中,所述第一SI为多个SI中序号最小的SI。
在一些可能的实施方式中,所述第一SI为多个所述SI中对应的系统消息时间窗的周期最短的SI。
在一些可能的实施方式中,在周期最短的SI为多个时,所述第一SI为周期最短的多个SI中序号最小的SI。
在一些可能的实施方式中,所述方法还包括:
接收所述网络设备发送的配置信息,根据所述配置信息确定所述第一SI;
或者,
根据协议定义的确定所述第一SI的方式,确定所述第一SI。
在一些可能的实施方式中,所述方法还包括:
接收第一信令,所述第一信令用于指示在一个系统消息时间窗内接收多个被请求的SI。
在一些可能的实施方式中,所述方法还包括:
接收第二信令,所述第二信令用于指示一个DCI调度多个用于承载SI的PDSCH。
在一些可能的实施方式中,所述一个DCI的设定信息域用于指示所述一个DCI调度的所述PDSCH的数量。
第三方面,本公开提供一种发送系统消息的装置,该装置可用于执行上述第一方面或第一方面的任一可能的设计中由网络设备执行的步骤。该网络设备可通过硬件结构、软件模块、或硬件结构加软件模块的形式来实现上述各方法中的各功能。
在通过软件模块实现第三方面所示装置时,该装置可包括收发模块,其中,收发模块可用于支持通信装置进行通信。
在执行上述第一方面所述步骤时,收发模块,被配置为接收所述用户设备发送的请求信息,所述请求信息用于请求多个系统消息SI;
所述收发模块还被配置为,根据所述请求信息,在一个系统消息时间窗内发送多个所述SI对应的下行控制信息DCI。
第四方面,本公开提供一种接收系统消息的装置,该装置可用于执行上述第二方面或第二方面的任一可能的设计中由用户设备执行的步骤。该用户设备可通过硬件结构、软件模块、或硬件结构加软件模块的形式来实现上述各方法中的各功能。
在通过软件模块实现第三方面所示装置时,该装置可包括收发模块,其中,收发模块可用于支持通信装置进行通信。
在执行上述第二方面所述步骤时,收发模块,被配置为向网络设备发送请求信息,所述请求信息用于请求多个系统消息SI;
所述收发模块还被配置为,在一个系统消息时间窗内,接收多个SI对应的DCI。
第五方面,本公开提供一种通信装置,包括处理器以及存储器;所述存储器用于存储计算机程序;所述处理器用于执行所述计算机程序,以实现第一方面或第一方面的任意一种可能的设计。
第六方面,本公开提供一种通信装置,包括处理器以及存储器;所述存储器用于存储计算机程序;所述处理器用于执行所述计算机程序,以实现第二方面或第二方面的任意一种可能的设计。
第七方面,本公开提供一种计算机可读存储介质,所述计算机可读存储介质中存储有指令(或称计算机程序、程序),当其在计算机上被调用执行时,使得计算机执行上述第一方面或第一方面的任意一种可能的设计。
第八方面,本公开提供一种计算机可读存储介质,所述计算机可读存储介质中存储有指令(或称计算机程序、程序),当其在计算机上被调用执行时,使得计算机执行上述第二方面或第二方面的任意一种可能的设计。
应当理解的是,以上的一般描述和后文的细节描述仅是示例性和解释性的,并不能限制本公开。
附图说明
此处所说明的附图用来提供对本公开实施例的进一步理解,构成本申请的一部分,本公开实施例的示意性实施例及其说明用于解释本公开实施例,并不构成对本公开实施例的不当限定。在附图中:
此处的附图被并入说明书中并构成本说明书的一部分,示出了符合本公开实施例的实施例,并与说明书一起用于解释本公开实施例的原理。
图1是本公开实施例提供的一种无线通信系统架构示意图;
图2是根据一示例性实施例示出的一种传输系统消息的方法的流程图;
图3是根据一示例性实施例示出的一种发送系统消息的方法的流程图;
图4是根据一示例性实施例示出的另一种发送系统消息的方法的流程图;
图5是根据一示例性实施例示出的另一种发送系统消息的方法的流程图;
图6是根据一示例性实施例示出的一种接收系统消息的方法的流程图;
图7是根据一示例性实施例示出的另一种接收系统消息的方法的流程图;
图8是根据一示例性实施例示出的一种发送系统消息的装置的框图;
图9是根据一示例性实施例示出的通信装置的框图;
图10是根据一示例性实施例示出的一种接收系统消息的装置的框图;
图11是根据一示例性实施例示出的用户设备的框图。
具体实施方式
现结合附图和具体实施方式对本公开实施例进一步说明。
这里将详细地对示例性实施例进行说明,其示例表示在附图中。下面的描述涉及附图时,除非另有表示,不同附图中的相同数字表示相同或相似的要素。以下示例性实施例中所描述的实施方式并不代表与本公开实施例相一致的所有实施方式。相反,它们仅是与如所附权利要求书中所详述的、本公开的一些方面相一致的装置和方法的例子。
在本公开实施例使用的术语是仅仅出于描述特定实施例的目的,而非旨在限制本公开实施例。在本公开实施例和所附权利要求书中所使用的单数形式的“一种”和“该”也旨在包括多数形式,除非上下文清楚地表示其他含义。还应当理解,本文中使用的术语“和/或”是指并包含一个或多个相关联的列出项目的任何或所有可能组合。
应当理解,尽管在本公开实施例可能采用术语第一、第二、第三等来描述各种信息,但这些信息不应限于这些术语。这些术语仅用来将同一类型的信息彼此区分开。例如,在不脱离本公开实施例范围的情况下,第一信息也可以被称为第二信息,类似地,第二信息也可以被称为第一信息。取决于语境,如在此所使用的词语“如果”及“若”可以被解释成为“在……时”或“当……时”或“响应于确定”。
下面详细描述本公开的实施例,所述实施例的示例在附图中示出,其中自始至终相同 或类似的标号表示相同或类似的要素。下面通过参考附图描述的实施例是示例性的,旨在用于解释本公开,而不能理解为对本公开的限制。
如图1所示,本公开实施例提供的一种传输系统消息的方法可应用于无线通信系统100,该无线通信系统可以包括网络设备101和用户设备102。其中,用户设备102被配置为支持载波聚合,并可连接至网络设备101的多个载波单元,包括一个主载波单元以及一个或多个辅载波单元。
应理解,以上无线通信系统100既可适用于低频场景,也可适用于高频场景。无线通信系统100的应用场景包括但不限于长期演进(long term evolution,LTE)系统、LTE频分双工(frequency division duplex,FDD)系统、LTE时分双工(time division duplex,TDD)系统、全球互联微波接入(worldwide interoperability for micro wave access,WiMAX)通信系统、云无线接入网络(cloud radio access network,CRAN)系统、未来的第五代(5th-Generation,5G)系统、新无线(new radio,NR)通信系统或未来的演进的公共陆地移动网络(public land mobile network,PLMN)系统等。
以上所示用户设备102可以是终端(terminal)、接入终端、终端单元、终端站、移动台(mobile station,MS)、远方站、远程终端、移动终端(mobile terminal)、无线通信设备、终端代理或终端设备等。该用户设备102可具备无线收发功能,其能够与一个或多个通信系统的一个或多个网络设备进行通信(如无线通信),并接受网络设备提供的网络服务,这里的网络设备包括但不限于图示网络设备101。
其中,用户设备(user equipment,UE)101可以是蜂窝电话、无绳电话、会话启动协议(session initiation protocol,SIP)电话、无线本地环路(wireless local loop,WLL)站、个人数字处理personal digital assistant,PDA)设备、具有无线通信功能的手持设备、计算设备或连接到无线调制解调器的其它处理设备、车载设备、可穿戴设备、未来5G网络中的终端设备或者未来演进的PLMN网络中的终端设备等。
网络设备101可以是接入网设备(或称接入网站点)。其中,接入网设备是指有提供网络接入功能的设备,如无线接入网(radio access network,RAN)基站等等。网络设备101具体可包括基站(base station,BS),或包括基站以及用于控制基站的无线资源管理设备等。该网络设备101还可包括中继站(中继设备)、接入点以及未来5G网络中的基站、未来演进的PLMN网络中的基站或者NR基站等。网络设备101可以是可穿戴设备或车载设备。网络设备101也可以是具有通信模块的通信芯片。
比如,网络设备101包括但不限于:5G中的下一代基站(gnodeB,gNB)、LTE系统中的演进型节点B(evolved node B,eNB)、无线网络控制器(radio network controller,RNC)、WCDMA系统中的节点B(node B,NB)、CRAN系统下的无线控制器、基站控制器(basestation controller,BSC)、GSM系统或CDMA系统中的基站收发台(base transceiver station,BTS)、家庭基站(例如,home evolved nodeB,或home node B,HNB)、基带单元(baseband unit,BBU)、传输点(transmitting and receiving point,TRP)、发射点(transmitting  point,TP)或移动交换中心等。
UE获取系统消息时,首先获得系统信息块1(System Information Block 1,SIB1),SIB1中包含了一个或者多个SI的调度信息。其中,每个SI中包含一个或者多个SIB,该一个或者多个SIB是除SIB1外的其他SIB,即其他系统消息(other SI)。
相关技术中,每个SI都有自身对应的系统消息时间窗(SI window),各SI的对应的SI window在时域上完全不重叠,网络设备在一个SI window中仅能调度一个SI。在网络设备根据UE请求发送多个SI的场景下,该多个SI需要在多个SI window中分别发送,因此网络设备在多个SI window中进行多次SI调度,用户设备也需在多个SI window中分别监听和接收,这既不利于网络设备的节能,也不利于用户设备的节能。
本公开实施例中提供了一种传输系统消息的方法。图2是根据一示例性实施例示出的一种传输系统消息的方法的流程图。如图2所示,该方法包括步骤S201~S203,具体的:
步骤S201,用户设备102向网络设备101发送请求信息,请求信息用于请求多个系统消息SI。
步骤S202,网络设备101根据请求信息,在一个系统消息时间窗内发送多个SI对应的下行控制信息(Downlink Control Information,DCI)。
步骤S203,用户设备102在一个系统消息时间窗内,接收多个SI对应的DCI。
在一些可能的实施方式中,多个SI为非广播状态的SI。其中,网络设备101根据请求信息,通过广播或单播的方式发送被请求的多个SI。
在一些可能的实施方式中,根据第三代合作伙伴计划(3rd Generation Partnership Project,3GPP)版本17(Release 17,R17)及之前版本的协议,每个SI分别默认对应有一个SI window。
本实施例中,网络设备101发送DCI所在的该一个系统消息时间窗为第一SI window,第一SI window是从多个SI默认对应的SI window中选取的一个。
在一些可能的实施方式中,协议定义确定第一SI的方式或规则。
网络设备101和用户设备102可根据该确定第一SI的方式或规则,确定多个SI中的第一SI,从而确定第一SI对应的第一SI window。
在一些可能的实施方式中,网络设备101配置确定第一SI的方式或规则。
网络设备101在第一SI对应的第一SI window中发送多个SI。用户设备102根据网络设备101的配置确定多个SI中的第一SI,并确定第一SI对应的第一SI window。
在一些可能的实施方式中,确定第一SI的方式或规则,比如可以是以下中的一种:
第一SI为多个SI中序号最小的SI;
第一SI为多个SI中对应的系统消息时间窗的周期最短的SI;
在周期最短的SI为多个时,第一SI为周期最短的多个SI中序号最小的SI。
在一些可能的实施方式中,用户设备102监听该第一SI window内的物理下行控制信 道(Physical Downlink Control Channel,PDCCH),获得网络设备101发送的DCI。用户设备102根据DCI,获知DCI调度的多个物理下行共享信道(Physical Downlink Shared channel,PDSCH),以及PDSCH承载的SI。
在一些可能的实施方式中,若第一SI为多个SI中序号为n的SI(即SI n),网络设备101或用户设备102可通过如下方式确定第一SI对应的第一SI window的起始时隙starting slot#a:
a=x mod N;其中,x=(n–1)×w,w为SI window length,N是一个无线帧中包含的slot的个数,mod表示求余运算。被调度的各SI的系统消息时间窗大小(SI window length)相同,SI window length以时隙为单位。
在一些可能的实施方式中,网络设备101或用户设备102可通过如下方式确定第一SI对应的第一SI window的所在的系统帧号(System Frame Number,SFN):
SFN mod T=FLOOR(x/N),其中,T是SI window的周期,FLOOR表示向下取整运算。
本公开实施例中,网络设备101在收到用户设备102的请求消息后,将在一个系统消息时间窗内发送调度多个SI的DCI。用户设备102在该一个系统消息时间窗内监听并接收调度多个SI的DCI。从而网络设备101和用户设备102不需要在多个系统消息时间窗内都处于工作状态,减少网络设备101和用户设备102处于工作状态的时间,以实现网络设备101和用户设备102的节能。
本公开实施例中提供了一种发送系统消息的方法,被网络设备101执行。图3是根据一示例性实施例示出的一种发送系统消息的方法的流程图。如图3所示,该方法包括步骤S301~S302,具体的:
步骤S301,网络设备101接收用户设备102发送的请求信息,请求信息用于请求多个系统消息SI。
步骤S302,网络设备101根据请求信息,在一个系统消息时间窗内发送多个SI对应的下行控制信息DCI。
在一些可能的实施方式中,网络设备101发送DCI所在的该一个系统消息时间窗为第一SI window,第一SI window是从多个SI默认对应的SI window中选取的一个。
在一些可能的实施方式中,一个系统消息时间窗为多个SI中第一SI对应的系统消息时间窗。
在一些可能的实施方式中,协议定义确定第一SI的方式或规则。
网络设备101和用户设备102可根据该确定第一SI的方式或规则,确定多个SI中的第一SI,从而确定第一SI对应的第一SI window。
在一些可能的实施方式中,网络设备101配置确定第一SI的方式或规则。
网络设备101在第一SI对应的第一SI window中发送多个SI。用户设备102根据网络设备 101的配置确定多个SI中的第一SI,并确定第一SI对应的第一SI window。
在一些可能的实施方式中,多个SI为非广播状态的SI。该步骤S302可以包括如下步骤S302’:
步骤S302’,网络设备101根据请求信息,在一个系统消息时间窗内,通过广播或单播的方式发送多个SI对应的DCI。
在一示例中,用户设备102使用随机接入过程中msg3发送请求信息时,网络设备101采用广播方式发送被请求的SI。
本公开实施例中,网络设备101在收到用户设备102的请求消息后,将在一个系统消息时间窗内发送调度多个SI的DCI。从而网络设备101不需要在多个系统消息时间窗内都处于工作状态,减少网络设备101处于工作状态的时间,以实现网络设备101的节能。
本公开实施例中提供了一种发送系统消息的方法,被网络设备101执行。该方法包括步骤S301~S302,具体的:
步骤S301,网络设备101接收用户设备102发送的请求信息,请求信息用于请求多个系统消息SI。
步骤S302,网络设备101根据请求信息,在一个系统消息时间窗内发送多个SI对应的下行控制信息DCI。
其中,第一SI为多个SI中序号最小的SI。
在一些可能的实施方式中,多个SI对应的序号可通过SIB1指示。例如,SIB1中包括一个或者多个SI的序号及对应的调度信息,各SI的SI window周期、SI window length等。
在一示例中:
网络设备通过发送的SIB1指示多个SI的调度信息,例如多个SI包括:SI 1、SI 2、SI 3和SI 4等。其中,SI 1为序号最小的SI,SI 1对应的SI window1在SI的广播周期中位于最靠前的时隙位置。
本示例中,网络设备101以SI 1为第一SI,SI window1为第一SI window。在第一SI window中,网络设备101发送UE所请求的SI 1、SI 2、SI 3和SI 4。
本公开实施例中,网络设备101选取序号最小的SI对应的SI window为第一SI window,在SI广播周期中最靠前的时间窗发送UE所请求的多个SI,因此在SI广播周期中,UE能够尽早的接收到所请求的全部SI,提升调度效率。
本公开实施例中提供了一种发送系统消息的方法,被网络设备101执行。该方法包括步骤S301~S302,具体的:
步骤S301,网络设备101接收用户设备102发送的请求信息,请求信息用于请求多个系统消息SI。
步骤S302,网络设备101根据请求信息,在一个系统消息时间窗内发送多个SI对应的下行控制信息DCI。
其中,第一SI为多个SI中对应的系统消息时间窗的周期最短的SI。
在一些可能的实施方式中,在被请求的多个SI中,各SI对应的系统消息时间窗的周期不同,此时,不同SI的周期之间一般存在整数倍的关系,例如,最大周期为最小周期的整数倍,较大周期为最小周期的整数倍,最大周期为较大周期的整数倍等。
在一示例中:
网络设备通过发送的SIB1指示多个SI的调度信息,例如多个SI包括:SI 1和SI 2。SI 1对应的周期为8个无线帧,SI 2对应的周期为16个无线帧。其中,一个无线帧是10ms。
本示例中,网络设备101可确定SI 1为第一SI,第一SI对应的SI window1为第一SI window。在第一SI window中,网络设备101发送UE所请求的SI 1和SI 2。
本公开实施例中,网络设备101选取周期最小的SI window为第一SI window,在该周期最小的SI window中发送多个被请求的SI,利于减少调度SI的时延。
本公开实施例中提供了一种发送系统消息的方法,被网络设备101执行。该方法包括步骤S301~S302,具体的:
步骤S301,网络设备101接收用户设备102发送的请求信息,请求信息用于请求多个系统消息SI。
步骤S302,网络设备101根据请求信息,在一个系统消息时间窗内发送多个SI对应的下行控制信息DCI。
其中,在周期最短的SI为多个时,第一SI为周期最短的多个SI中序号最小的SI。
在一些可能的实施方式中,在被请求的多个SI中,各SI对应的系统消息时间窗的周期至少部分相同。
在一示例中:
网络设备通过发送的SIB1中指示多个SI的调度信息,例如多个SI包括:SI 1、SI 2和SI 3,SI 2和SI 3对应的周期为8个无线帧,SI 1对应的周期为16个无线帧。
本示例中,SI 2和SI 3的周期最短,SI 2对应的序号小。网络设备101可确定SI 2为第一SI。在第一SI对应的第一SI window中,网络设备101发送UE所请求的SI 1、SI 2和SI 3。
本公开实施例中,网络设备101选取周期最小的多个SI window中序号最小的为第一SI window,发送多个被请求的SI,利于UE尽早收到SI并减少调度SI的时延。
本公开实施例中提供了一种发送系统消息的方法,被网络设备101执行。该方法包括步骤S301~S302’,具体的:
步骤S301,网络设备101接收用户设备102发送的请求信息,请求信息用于请求多个系统消息SI。
步骤S302’,网络设备101根据请求信息,在第一SI对应的系统消息时间窗内,发送用于调度多个SI的一个DCI;其中,一个DCI调度多个物理下行共享信道PDSCH以传输多个SI。
本公开实施例中,网络设备101通过一个DCI调度多个被请求的SI,可以节约网络设备101广播或信令的数量,进一步节约能耗。
本公开实施例中提供了一种发送系统消息的方法,被网络设备101执行。图4是根据一示例性实施例示出的一种发送系统消息的方法的流程图。如图4所示,该方法包括步骤S401~S403,具体的:
步骤S401,网络设备101接收用户设备102发送的请求信息,请求信息用于请求多个系统消息SI。
步骤S402,网络设备101发送第一信令,第一信令用于指示在一个系统消息时间窗内发送多个被请求的SI。
步骤S403,网络设备101根据请求信息,在一个系统消息时间窗内发送多个SI对应的下行控制信息DCI。
其中,本实施例对步骤S402和步骤S403的执行顺序不做限定,例如还可以先执行步骤S403再执行步骤S402。
在一些可能的实施方式中,网络设备101可通过发送的RRC信令,包含第一信令。
在一些可能的实施方式中,该步骤S402可以包括如下步骤S402’:
步骤S402’,发送系统消息块1SIB1,SIB1包括第一信令。
在一些可能的实施方式中,网络设备101根据请求信息,在第一SI window内发送用于调度多个SI的一个DCI。
本公开实施例中,网络设备101通过发送第一信令,向用户设备102指示在一个系统消息时间窗内发送多个被请求的SI,以便于用户设备102调整接收SI的方式。
本公开实施例中提供了一种发送系统消息的方法,被网络设备101执行。图5是根据一示例性实施例示出的一种发送系统消息的方法的流程图。如图5所示,该方法包括步骤S501~S503,具体的:
步骤S501,网络设备101接收用户设备102发送的请求信息,请求信息用于请求多个系统消息SI。
步骤S502,网络设备101发送第二信令,第二信令用于指示通过一个DCI调度多个用于承载SI的PDSCH。
步骤S503,网络设备101根据请求信息,在一个系统消息时间窗内发送多个SI对应的下行控制信息DCI。
其中,本实施例对步骤S502和步骤S503的执行顺序不做限定,例如还可以先执行步骤S503再执行步骤S502。
在一些可能的实施方式中,在步骤S502中,网络设备101还可以发送第一信令和第二信令。
在一些可能的实施方式中,该一个DCI是通过SI无线网络临时标识(SI Radio Network Temporary Identifier,SI-RNTI)加扰的,该一个DCI调度多个PDSCH用于承载多个SI。
在一些可能的实施方式中,在一个DCI调度的多个PDSCH中,第一SI window默认对应的SI承载于第一个PDSCH上,调整至该第一SI window内调度的其他SI则承载于 第二个或者之后的PDSCH上。以不影响legacy UE正常接收SI,即对于无法适用本公开方法的legacy UE而言,其仍依据R17及之前版本协议,获取第一个PDSCH中的SI即可,无需获得该SI window内承载其余SI的PDSCH。
在一示例中:
UE向网络设备请求SI 1和SI 2。
网络设备通过发送的SIB1指示多个被请求的SI的调度信息,例如多个SI包括:SI 1和SI 2,其中,SI 1包括SIB2和SIB3,SI 2包括SIB4和SIB5。
在依据3GPP R17及之前版本的协议时,SI 1默认对应的时间窗为SI window 1,SI 2默认对应的时间窗为SI window 2。网络设备101在SI window 1中调度被请求的SI 1,例如在SI window 1中广播第一DCI,第一DCI用于调度第一PDSCH,第一PDSCH承载SI 1。网络设备101在SI window 2中调度被请求的SI 2,例如在SI window 2中广播第二DCI,第二DCI用于调度第二PDSCH,第二PDSCH承载SI 2。由此,网络设备101需在多个SI window内发送消息,对应的,用户设备102也需要在每个SI window内都监听PDCCH以接收SI,不利于网络设备101和用户设备102的节能。
本示例中,假设网络设备101确定序号最小的SI 1为第一SI,SI window 1为第一SI window,网络设备101将在SI window 1调度被请求的SI1和SI2。例如,在SI window 1内,网络设备101发送一个DCI,该DCI调度第一个PDSCH和第二个PDSCH,第一个PDSCH用于承载SI window 1默认对应的SI 1,第二个PDSCH用于承载SI2。
本示例中不影响legacy UE正常接收SI,即对于legacy UE而言,其获取第一个PDSCH中的SI即可。
在一些可能的实施方式中,一个DCI的设定信息域用于指示一个DCI调度的PDSCH的数量。
在一些可能的实施方式中,该设定信息域中比如可以占用2bit。
在一些可能的实施方式中,在一个DCI的保留比特位(reserved bit)中配置设定信息域。
在一示例中,当DCI format 1-0用于调度SI时,依据现有协议,授权频谱下DCI 1-0的最后会有17bit的保留比特位,非授权频谱下DCI 1-0最后会有15bit的保留比特位。以保留比特位的1个或多个bit位作为设定信息域。可以理解的,对于legacy UE而言,其不会获取保留比特位中信息,从而不影响legacy UE正常接收DCI。
本公开实施例中,网络设备101通过一个DCI调度多个SI,在实现节能效果的基础上,在调度过程中不影响legacy UE的行为。
本公开实施例中提供了一种接收系统消息的方法,被用户设备102执行。图6是根据一示例性实施例示出的一种接收系统消息的方法的流程图。如图6所示,该方法包括步骤S601~S602,具体的:
步骤S601,用户设备102向网络设备101发送请求信息,请求信息用于请求多个系统消息SI。
步骤S602,在一个系统消息时间窗内,用户设备102接收多个SI对应的DCI。
在一些可能的实施方式中,根据用户设备102的请求信息,网络设备101通过广播或单播的方式发送调度多个SI的DCI。
在一些可能的实施方式中,调度多个SI的DCI可以是一个或多个。
在一些可能的实施方式中,该一个系统消息时间窗为第一SI window,第一SI window是从多个SI默认对应的SI window中选取的一个。
本公开实施例中,用户设备102通过发送请求信息请求多个SI,并在一个系统消息时间窗内,监听并接收网络设备101发送的调度多个SI的DCI。从而可以减少用户设备102处于监听状态的时间,实现用户设备的节能。
本公开实施例中提供了一种接收系统消息的方法,被用户设备102执行。图7是根据一示例性实施例示出的一种接收系统消息的方法的流程图。如图7所示,该方法包括步骤S701~S703,具体的:
步骤S701,用户设备102向网络设备101发送请求信息,请求信息用于请求多个系统消息SI。
步骤S702,在多个SI中第一SI对应的系统消息时间窗内,用户设备102接收调度多个SI的一个DCI。
步骤S703,用户设备102根据一个DCI,确定该DCI调度的多个PDSCH以及每个PDSCH所承载的对应的一个SI。
在一些可能的实施方式中,一个DCI调度多个承载SI的PDSCH。用户设备102根据DCI获得其调度的多个SI。该一个DCI使用SI-RNTI加扰。
本公开实施例中提供了一种接收系统消息的方法,被用户设备102执行。该方法包括步骤S601~S602,或者,该方法包括步骤S701~S703;
其中,第一SI为多个SI中序号最小的SI。
在一些可能的实施方式中,多个SI对应的序号可通过SIB1指示。例如,SIB1中包括一个或者多个SI的序号及对应的调度信息,各SI的SI window周期、SI window length等。
本公开实施例中,在SI广播周期中,UE能够尽早的接收到所请求的全部SI,提升调度效率。
本公开实施例中提供了一种接收系统消息的方法,被用户设备102执行。该方法包括步骤S601~S602,或者,该方法包括步骤S701~S703;
其中,第一SI为多个SI中对应的系统消息时间窗的周期最短的SI。
在一些可能的实施方式中,在被请求的多个SI中,各SI对应的系统消息时间窗的周期不同,此时,不同SI的周期之间一般存在整数倍的关系,例如,最大周期为最小周期的 整数倍,较大周期为最小周期的整数倍,最大周期为较大周期的整数倍等。
本公开实施例中,在周期最小的SI window中接收多个SI,减少调度SI的时延。
本公开实施例中提供了一种接收系统消息的方法,被用户设备102执行。该方法包括步骤S601~S602,或者,该方法包括步骤S701~S703;
其中,在周期最短的SI为多个时,第一SI为周期最短的多个SI中序号最小的SI。
在一些可能的实施方式中,在被请求的多个SI中,各SI对应的系统消息时间窗的周期至少部分相同。
本公开实施例中,选取周期最小的多个SI window中序号最小的为第一SI window,利于UE尽早收到SI并减少调度SI的时延。
本公开实施例中提供了一种接收系统消息的方法,被用户设备102执行。该方法包括步骤S701、S701’、S702和S703,具体的:
步骤S701,用户设备102向网络设备101发送请求信息,请求信息用于请求多个系统消息SI。
步骤S701’,用户设备102接收网络设备101发送的配置信息,根据配置信息确定第一SI;用于配置确定第一SI的方式;或者,用户设备102根据协议定义的确定第一SI的方式,确定第一SI。
步骤S702,在多个SI中第一SI对应的系统消息时间窗内,用户设备102接收调度多个SI的一个DCI。
步骤S703,用户设备102根据一个DCI,确定该DCI调度的多个PDSCH以及每个PDSCH所承载的对应的一个SI。
在一些可能的实施方式中,配置信息用于为用户设备配置确定第一SI的方式。
在一些可能的实施方式中,确定第一SI的方式比如可以是以下中的一种:
第一SI为多个SI中序号最小的SI;
第一SI为多个SI中对应的系统消息时间窗的周期最短的SI;
在周期最短的SI为多个时,第一SI为周期最短的多个SI中序号最小的SI。
本公开实施例中,用户设备102可以根据网络设备101的配置或者根据协议定义,确定第一SI以及第一SI window。
本公开实施例中提供了一种接收系统消息的方法,被用户设备102执行。该方法包括步骤S601、S601’和S602,具体的:
步骤S601,用户设备102向网络设备101发送请求信息,请求信息用于请求多个系统消息SI。
步骤S601’,用户设备102接收第一信令,第一信令用于指示在一个系统消息时间窗内接收多个被请求的SI。
步骤S602,在一个系统消息时间窗内,用户设备102接收多个SI对应的DCI。
在一些可能的实施方式中,网络设备101可通过发送的RRC信令或者SIB1,包括该第一信令。
本公开实施例中提供了一种接收系统消息的方法,被用户设备102执行。该方法包括步骤S601、S601”和S602,具体的:
步骤S601,用户设备102向网络设备101发送请求信息,请求信息用于请求多个系统消息SI。
步骤S601”,用户设备102接收第二信令,第二信令用于指示一个DCI调度多个用于承载SI的PDSCH。
步骤S602,在一个系统消息时间窗内,用户设备102接收多个SI对应的DCI。
在一些可能的实施方式中,该一个DCI是SI-RNTI加扰的,调度多个PDSCH用于承载多个SI。
在一些可能的实施方式中,在一个DCI调度的多个PDSCH中,第一SI window默认对应的SI承载于第一个PDSCH上,调整至该第一SI window内调度的其他SI则承载于第二个或者之后的PDSCH上。以不影响legacy UE正常接收SI,即对于legacy UE而言,其获取第一个PDSCH中的SI即可。
在一些可能的实施方式中,网络设备101还可以发送第一信令和第二信令,用户设备102接收该第一信令和第二信令。
在一些可能的实施方式中,一个DCI的设定信息域用于指示一个DCI调度的PDSCH的数量。
在一些可能的实施方式中,在一个DCI的保留比特位(reserved bit)中配置设定信息域,以不影响legacy UE正常接收DCI。
基于与以上方法实施例相同的构思,本公开实施例还提供一种发送系统消息的装置,该装置可具备上述方法实施例中的网络设备101的功能,并可用于执行上述方法实施例提供的由网络设备101执行的步骤。该功能可以通过硬件实现,也可以通过软件或者硬件执行相应的软件实现。该硬件或软件包括一个或多个与上述功能相对应的模块。
在一种可能的实现方式中,如图8所示的装置800可作为上述方法实施例所涉及的网络设备101,并执行上述方法实施例中由网络设备101执行的步骤。如图8所示,该装置800可包括收发模块801,其中,收发模块801可用于支持通信装置进行通信。
在执行由网络设备101实施的步骤时,收发模块801被配置为,接收用户设备发送的请求信息,请求信息用于请求多个系统消息SI;
收发模块801还被配置为,根据请求信息,在一个系统消息时间窗内发送多个SI对应的下行控制信息DCI。
在一些可能的实施方式中,一个系统消息时间窗为多个SI中第一SI对应的系统消息时间窗。
在一些可能的实施方式中,第一SI为多个SI中序号最小的SI。
在一些可能的实施方式中,第一SI为多个SI中对应的系统消息时间窗的周期最短的SI。
在一些可能的实施方式中,在周期最短的SI为多个时,第一SI为周期最短的多个SI中序号最小的SI。
在一些可能的实施方式中,收发模块801还被配置为,在第一SI对应的系统消息时间窗内,发送用于调度多个SI的一个DCI;其中,一个DCI调度多个物理下行共享信道PDSCH以传输多个SI。
在一些可能的实施方式中,收发模块801还被配置为,发送第一信令,第一信令用于指示在一个系统消息时间窗内发送多个被请求的SI。
在一些可能的实施方式中,收发模块801还被配置为,发送系统消息块1SIB1,SIB1包括第一信令。
在一些可能的实施方式中,收发模块801还被配置为,根据请求信息,在一个系统消息时间窗内,通过广播或单播的方式发送多个SI对应的DCI。
在一些可能的实施方式中,收发模块801还被配置为,发送第二信令,第二信令用于指示通过一个DCI调度多个用于承载SI的PDSCH。
在一些可能的实施方式中,一个DCI的设定信息域用于指示一个DCI调度的PDSCH的数量。
当该通信装置为网络设备101时,其结构还可如图9所示。以基站为例说明通信装置的结构。如图9所示,装置900包括存储器901、处理器902、收发组件903、电源组件906。其中,存储器901与处理器902耦合,可用于保存通信装置900实现各功能所必要的程序和数据。该处理器902被配置为支持通信装置900执行上述方法中相应的功能,所述功能可通过调用存储器901存储的程序实现。收发组件903可以是无线收发器,可用于支持通信装置900通过无线空口进行接收信令和/或数据,以及发送信令和/或数据。收发组件903也可被称为收发单元或通信单元,收发组件903可包括射频组件904以及一个或多个天线905,其中,射频组件904可以是远端射频单元(remote radio unit,RRU),具体可用于射频信号的传输以及射频信号与基带信号的转换,该一个或多个天线905具体可用于进行射频信号的辐射和接收。
当通信装置900需要发送数据时,处理器902可对待发送的数据进行基带处理后,输出基带信号至射频单元,射频单元将基带信号进行射频处理后将射频信号通过天线以电磁波的形式进行发送。当有数据发送到通信装置900时,射频单元通过天线接收到射频信号,将射频信号转换为基带信号,并将基带信号输出至处理器902,处理器902将基带信号转换为数据并对该数据进行处理。
基于与以上方法实施例相同的构思,本公开实施例还提供一种接收系统消息的装置,该装置可具备上述方法实施例中的用户设备102的功能,并可用于执行上述方法实施例提 供的由用户设备102执行的步骤。该功能可以通过硬件实现,也可以通过软件或者硬件执行相应的软件实现。该硬件或软件包括一个或多个与上述功能相对应的模块。
在一种可能的实现方式中,如图10所示的通信装置1000可作为上述方法实施例所涉及的用户设备102,并执行上述方法实施例中由用户设备102执行的步骤。如图10所示,该通信装置1000可包括收发模块1001,其中,收发模块1001可用于支持通信装置进行通信,收发模块1001可具备无线通信功能,例如能够通过无线空口与其他通信装置进行无线通信。
在执行由用户设备102实施的步骤时,收发模块1001被配置为,向网络设备发送请求信息,请求信息用于请求多个系统消息SI;
收发模块1001还被配置为,在一个系统消息时间窗内,接收多个SI对应的DCI。
在一些可能的实施方式中,收发模块1001还被配置为,在多个SI中第一SI对应的系统消息时间窗内,接收调度多个SI的一个DCI;
装置1000还包括与收发模块耦合的处理模块。处理模块被配置为,根据一个DCI,确定该DCI调度的多个PDSCH以及每个PDSCH所承载的对应的一个SI。
在一些可能的实施方式中,第一SI为多个SI中序号最小的SI。
在一些可能的实施方式中,第一SI为多个SI中对应的系统消息时间窗的周期最短的SI。
在一些可能的实施方式中,在周期最短的SI为多个时,第一SI为周期最短的多个SI中序号最小的SI。
在一些可能的实施方式中,收发模块1001还被配置为,接收网络设备发送的配置信息,根据配置信息确定第一SI;
或者,处理模块还被配置为,根据协议定义的确定第一SI的方式,确定第一SI。
在一些可能的实施方式中,收发模块1001还被配置为,接收第一信令,第一信令用于指示在一个系统消息时间窗内接收多个被请求的SI。
在一些可能的实施方式中,收发模块1001还被配置为,接收第二信令,第二信令用于指示一个DCI调度多个用于承载SI的PDSCH。
在一些可能的实施方式中,一个DCI的设定信息域用于指示一个DCI调度的PDSCH的数量。
当该通信装置为用户设备102时,其结构还可如图11所示。参照图11,装置1100可以包括以下一个或多个组件:处理组件1102,存储器1104,电源组件1106,多媒体组件1108,音频组件1110,输入/输出(I/O)的接口1112,传感器组件1114,以及通信组件1116。
处理组件1102通常控制装置1100的整体操作,诸如与显示,电话呼叫,数据通信,相机操作和记录操作相关联的操作。处理组件1102可以包括一个或多个处理器1120来执行指令,以完成上述的方法的全部或部分步骤。此外,处理组件1102可以包括一个或多个 模块,便于处理组件1102和其他组件之间的交互。例如,处理组件1102可以包括多媒体模块,以方便多媒体组件1108和处理组件1102之间的交互。
存储器1104被配置为存储各种类型的数据以支持在设备1100的操作。这些数据的示例包括用于在装置1100上操作的任何应用程序或方法的指令,联系人数据,电话簿数据,消息,图片,视频等。存储器1104可以由任何类型的易失性或非易失性存储设备或者它们的组合实现,如静态随机存取存储器(SRAM),电可擦除可编程只读存储器(EEPROM),可擦除可编程只读存储器(EPROM),可编程只读存储器(PROM),只读存储器(ROM),磁存储器,快闪存储器,磁盘或光盘。
电源组件1106为装置1100的各种组件提供电力。电源组件1106可以包括电源管理系统,一个或多个电源,及其他与为装置1100生成、管理和分配电力相关联的组件。
多媒体组件1108包括在装置1100和用户之间的提供一个输出接口的屏幕。在一些实施例中,屏幕可以包括液晶显示器(LCD)和触摸面板(TP)。如果屏幕包括触摸面板,屏幕可以被实现为触摸屏,以接收来自用户的输入信号。触摸面板包括一个或多个触摸传感器以感测触摸、滑动和触摸面板上的手势。触摸传感器可以不仅感测触摸或滑动动作的边界,而且还检测与触摸或滑动操作相关的持续时间和压力。在一些实施例中,多媒体组件1108包括一个前置摄像头和/或后置摄像头。当设备1100处于操作模式,如拍摄模式或视频模式时,前置摄像头和/或后置摄像头可以接收外部的多媒体数据。每个前置摄像头和后置摄像头可以是一个固定的光学透镜系统或具有焦距和光学变焦能力。
音频组件1110被配置为输出和/或输入音频信号。例如,音频组件1110包括一个麦克风(MIC),当装置1000处于操作模式,如呼叫模式、记录模式和语音识别模式时,麦克风被配置为接收外部音频信号。所接收的音频信号可以被进一步存储在存储器1104或经由通信组件1116发送。在一些实施例中,音频组件1110还包括一个扬声器,用于输出音频信号。
I/O接口1112为处理组件1102和外围接口模块之间提供接口,上述外围接口模块可以是键盘,点击轮,按钮等。这些按钮可包括但不限于:主页按钮、音量按钮、启动按钮和锁定按钮。
传感器组件1114包括一个或多个传感器,用于为装置1100提供各个方面的状态评估。例如,传感器组件1114可以检测到设备1100的打开/关闭状态,组件的相对定位,例如组件为装置1100的显示器和小键盘,传感器组件1114还可以检测装置1100或装置1100一个组件的位置改变,用户与装置1100接触的存在或不存在,装置1100方位或加速/减速和装置1100的温度变化。传感器组件1114可以包括接近传感器,被配置用来在没有任何的物理接触时检测附近物体的存在。传感器组件1114还可以包括光传感器,如CMOS或CCD图像传感器,用于在成像应用中使用。在一些实施例中,该传感器组件1114还可以包括加速度传感器,陀螺仪传感器,磁传感器,压力传感器或温度传感器。
通信组件1116被配置为便于装置1100和其他设备之间有线或无线方式的通信。装置 1100可以接入基于通信标准的无线网络,如WiFi,2G或3G,或它们的组合。在一个示例性实施例中,通信组件1116经由广播信道接收来自外部广播管理系统的广播信号或广播相关信息。在一个示例性实施例中,通信组件1116还包括近场通信(NFC)模块,以促进短程通信。例如,在NFC模块可基于射频识别(RFID)技术,红外数据协会(IrDA)技术,超宽带(UWB)技术,蓝牙(BT)技术和其他技术来实现。
在示例性实施例中,装置1100可以被一个或多个应用专用集成电路(ASIC)、数字信号处理器(DSP)、数字信号处理设备(DSPD)、可编程逻辑器件(PLD)、现场可编程门阵列(FPGA)、控制器、微控制器、微处理器或其他电子元件实现,用于执行上述方法。
在示例性实施例中,还提供了一种包括指令的非临时性计算机可读存储介质,例如包括指令的存储器1104,上述指令可由装置1100的处理器1120执行以完成上述方法。例如,非临时性计算机可读存储介质可以是ROM、随机存取存储器(RAM)、CD-ROM、磁带、软盘和光数据存储设备等。
本领域技术人员在考虑说明书及实践这里公开的发明后,将容易想到本公开实施例的其它实施方案。本公开旨在涵盖本公开实施例的任何变型、用途或者适应性变化,这些变型、用途或者适应性变化遵循本公开实施例的一般性原理并包括本公开未公开的本技术领域中的公知常识或惯用技术手段。说明书和实施例仅被视为示例性的,本公开实施例的真正范围和精神由下面的权利要求指出。
应当理解的是,本公开实施例并不局限于上面已经描述并在附图中示出的精确结构,并且可以在不脱离其范围进行各种修改和改变。本公开实施例的范围仅由所附的权利要求来限制。
工业实用性
本公开实施例中,网络设备在收到用户设备的请求消息后,将在一个系统消息时间窗内发送调度多个SI的DCI。用户设备在该一个系统消息时间窗内监听并接收调度多个SI的DCI。从而网络设备和用户设备不需要在多个系统消息时间窗内都处于工作状态,减少网络设备和用户设备处于工作状态的时间,以实现网络设备和用户设备的节能。

Claims (26)

  1. 一种发送系统消息的方法,被网络设备执行,所述方法包括:
    接收用户设备发送的请求信息,所述请求信息用于请求多个系统消息SI;
    根据所述请求信息,在一个系统消息时间窗内发送多个所述SI对应的下行控制信息DCI。
  2. 如权利要求1所述的方法,其中,
    所述一个系统消息时间窗为多个所述SI中第一SI对应的系统消息时间窗。
  3. 如权利要求2所述的方法,其中,
    所述第一SI为多个所述SI中序号最小的SI。
  4. 如权利要求2所述的方法,其中,
    所述第一SI为多个所述SI中对应的系统消息时间窗的周期最短的SI。
  5. 如权利要求4所述的方法,其中,
    在周期最短的SI为多个时,所述第一SI为周期最短的多个SI中序号最小的SI。
  6. 如权利要求2所述的方法,其中,所述在一个系统消息时间窗内发送多个所述SI对应的DCI,包括:
    在所述第一SI对应的系统消息时间窗内,发送用于调度多个SI的一个DCI;其中,所述一个DCI调度多个物理下行共享信道PDSCH以传输多个SI。
  7. 如权利要求1所述的方法,其中,所述方法还包括:
    发送第一信令,所述第一信令用于指示在一个系统消息时间窗内发送多个被请求的SI。
  8. 如权利要求7所述的方法,其中,所述发送第一信令,包括:
    发送系统消息块1 SIB1,所述SIB1包括所述第一信令。
  9. 如权利要求1至8任一项所述的方法,其中,所述根据所述请求信息,在一个系统消息时间窗内发送多个所述SI对应的下行控制信息DCI,包括:
    根据所述请求信息,在一个系统消息时间窗内,通过广播或单播的方式发送多个所述SI对应的所述DCI。
  10. 如权利要求1至8任一项所述的方法,其中,所述方法还包括:
    发送第二信令,所述第二信令用于指示通过一个DCI调度多个用于承载SI的PDSCH。
  11. 如权利要求6或10所述的方法,其中,
    所述一个DCI的设定信息域用于指示所述一个DCI调度的所述PDSCH的数量。
  12. 一种接收系统消息的方法,被用户设备执行,所述方法包括:
    向网络设备发送请求信息,所述请求信息用于请求多个系统消息SI;
    在一个系统消息时间窗内,接收多个SI对应的DCI。
  13. 如权利要求12所述的方法,其中,所述在一个系统消息时间窗内,接收多个SI对应的DCI,包括:
    在多个SI中第一SI对应的系统消息时间窗内,接收调度多个SI的一个DCI;
    根据所述一个DCI,确定该DCI调度的多个PDSCH以及每个PDSCH所承载的对应的一个SI。
  14. 如权利要求13所述的方法,其中,
    所述第一SI为多个SI中序号最小的SI。
  15. 如权利要求13所述的方法,其中,
    所述第一SI为多个所述SI中对应的系统消息时间窗的周期最短的SI。
  16. 如权利要求13所述的方法,其中,
    在周期最短的SI为多个时,所述第一SI为周期最短的多个SI中序号最小的SI。
  17. 如权利要求13至16任一项所述的方法,其中,所述方法还包括:
    接收所述网络设备发送的配置信息,根据所述配置信息确定所述第一SI;
    或者,
    根据协议定义的确定所述第一SI的方式,确定所述第一SI。
  18. 如权利要求12所述的方法,其中,所述方法还包括:
    接收第一信令,所述第一信令用于指示在一个系统消息时间窗内接收多个被请求的SI。
  19. 如权利要求12至18任一项所述的方法,其中,所述方法还包括:
    接收第二信令,所述第二信令用于指示一个DCI调度多个用于承载SI的PDSCH。
  20. 如权利要求13或19所述的方法,其中,所述一个DCI的设定信息域用于指示所述一个DCI调度的所述PDSCH的数量。
  21. 一种发送系统消息的装置,被配置于网络设备,所述装置包括:
    收发模块,用于接收用户设备发送的请求信息,所述请求信息用于请求多个系统消息SI;
    所述收发模块还用于,根据所述请求信息,在一个系统消息时间窗内发送多个所述SI对应的下行控制信息DCI。
  22. 一种接收系统消息的装置,被配置于用户设备,所述装置包括:
    收发模块,用于向网络设备发送请求信息,所述请求信息用于请求多个系统消息SI;
    所述收发模块还用于,在一个系统消息时间窗内,接收多个SI对应的DCI。
  23. 一种通信装置,包括处理器以及存储器,其中,
    所述存储器用于存储计算机程序;
    所述处理器用于执行所述计算机程序,以实现如权利要求1-11中任一项所述的方法。
  24. 一种通信装置,包括处理器以及存储器,其中,
    所述存储器用于存储计算机程序;
    所述处理器用于执行所述计算机程序,以实现如权利要求12-20中任一项所述的方法。
  25. 一种计算机可读存储介质,所述计算机可读存储介质中存储有指令,当所述指令 在计算机上被调用执行时,使得所述计算机执行如权利要求1-11中任一项所述的方法。
  26. 一种计算机可读存储介质,所述计算机可读存储介质中存储有指令,当所述指令在计算机上被调用执行时,使得所述计算机执行如权利要求12-20中任一项所述的方法。
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