WO2018223390A1 - Procédé de planification semi-statique, appareil et dispositif - Google Patents

Procédé de planification semi-statique, appareil et dispositif Download PDF

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Publication number
WO2018223390A1
WO2018223390A1 PCT/CN2017/087773 CN2017087773W WO2018223390A1 WO 2018223390 A1 WO2018223390 A1 WO 2018223390A1 CN 2017087773 W CN2017087773 W CN 2017087773W WO 2018223390 A1 WO2018223390 A1 WO 2018223390A1
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WIPO (PCT)
Prior art keywords
terminal device
information
semi
resource
time
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PCT/CN2017/087773
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English (en)
Chinese (zh)
Inventor
唐珣
权威
张戬
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华为技术有限公司
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Priority to PCT/CN2017/087773 priority Critical patent/WO2018223390A1/fr
Publication of WO2018223390A1 publication Critical patent/WO2018223390A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/02—Selection of wireless resources by user or terminal

Definitions

  • the present invention relates to the field of communications, and in particular, to a semi-static scheduling method, apparatus, and device.
  • SPS Semi-Persistent Scheduling
  • UE User Equipment
  • the base station may send an SPS activation message to the UE for activating the SPS resource, and may also send an SPS release message to the UE for releasing the SPS resource. Or the UE does not send valid user data in consecutive SPS resources, and the UE may directly release the SPS resource. After the UE releases the SPS resource and is in the SPS inactive state, the base station may adjust the periodic configuration of the SPS resource when the UE is in the SPS inactive state.
  • the technical problem to be solved by the embodiments of the present invention is to provide a semi-persistent scheduling method, which can solve the problem that the SPS resources cannot be adjusted in the SPS activation state in the prior art.
  • the first aspect provides a semi-persistent scheduling method, including: determining, by a terminal device, a first moment, where the first moment is a starting time of a semi-static scheduling resource; and in a semi-static scheduling activation state, the terminal device is The first information is determined within the first time period starting from the first time, and the first information is used by the terminal device to determine resource information of the semi-static scheduling resource after the second time.
  • the technical solution provided by the first aspect in the semi-static scheduling activation state, adjusts the resource information of the SPS after the second time according to the first information by using the first information determined within the first duration, thereby implementing activation in the semi-persistent scheduling.
  • the status implements the adjustment of the SPS resource information.
  • the second moment is determined by the terminal device according to the first moment, the first duration, and the second duration.
  • the resource information of the semi-static scheduling resource includes a period value of the semi-static resource. This can set the resource information of the SPS to the period value of the SPS.
  • the first information is patch bit padding bits information, or the number of times the patch jumps padding skipping.
  • the scheme can adjust the SPS period according to the information of the patch bit or the patch hopping.
  • the terminal device receives a first adjustment value from the base station, and the terminal device determines, according to the first information and the first adjustment value, the semi-static after the second moment The period value of the resource.
  • the method implements the acquisition manner of the first adjustment value, and increases or decreases the first adjustment value for the period of the SPS.
  • the padding bits information is a number of padding bits
  • the first information is The determining, by the terminal device, the resource information of the semi-persistent scheduling resource after the second time, the determining, by the terminal device, that the number of padding bits is greater than a first quantity threshold, the terminal device after the second time The period of the semi-static resource is increased by the first adjustment value; or the terminal device determines that the number of padding bits is less than a second quantity threshold, and the terminal device reduces the period of the semi-static resource after the second moment The first adjustment value.
  • the technical solution clarifies the specific expression form of the patch bit information as the number of patch bits, and provides how to adjust the SPS period according to the number of patch bits.
  • the first information is the number of times of the padding, and the first information is used by the terminal device to determine the resource information of the semi-persistent scheduling resource after the second time, including: The terminal device determines that the number of times of the padding skipping is greater than the first set number of times, and the terminal device increases the period of the semi-static resource by the first adjustment value after the second time; or the terminal device Determining that the number of times of the padding skipping is less than a second set number of times, the terminal device reducing the period of the semi-static resource by the first adjustment value after the second moment.
  • This technical solution clarifies how to adjust the SPS cycle according to the number of patch hops.
  • the padding bits information is a first ratio of padding bits to total bits
  • the first information is used by the terminal device to determine the semi-persistent scheduling resource after the second moment
  • the resource information includes: the terminal device determines that the first ratio is greater than a second set ratio, and the terminal device increases the period of the semi-static resource by the first adjustment value after the second moment; The terminal device determines that the first ratio is smaller than a third set ratio, and the terminal device reduces the period of the semi-static resource by the first adjustment value after the second moment.
  • the terminal device sends second information to the base station, where the second information is used to indicate that the terminal device supports semi-persistent scheduling period adjustment.
  • the foregoing technical solution determines that the capability of supporting the SPS period adjustment is sent to the base station according to the second information.
  • one or more of the first duration, the second duration, the first moment, and the first adjustment value are pre-configured; or the first One or more of the duration, the second duration, the first moment, and the first adjustment value are configured for a base station.
  • the second aspect provides a semi-persistent scheduling SPS method, including: the base station sends first control information to the terminal device, where the first control information is used by the terminal device to determine a starting time of the semi-persistent scheduling; Sending third information, the third information is used to instruct the terminal device to update the semi-persistently scheduled resource information; the resource information includes an SPS period.
  • the method provided by the second aspect supports the implementation of the method of the first aspect.
  • a third aspect provides a terminal device, where the terminal device includes: a determining unit, configured to determine a first moment, where the first moment is a starting time of a semi-persistent scheduling resource; and a processing unit, configured to perform semi-persistent scheduling In the active state, the first information is determined within a first duration starting at the first moment, the first information being used by the terminal device to determine resource information of the semi-static scheduling resource after the second moment.
  • the terminal device provided by the third aspect adjusts the resource information of the SPS after the second time according to the first information in the semi-static scheduling activation state by using the first information determined in the first duration, so that the terminal device is semi-static.
  • the scheduling activation state implements adjustment of SPS resource information.
  • a fourth aspect provides a base station, where the base station includes: a sending unit, configured to send a first control to a terminal device
  • the first control information is used by the terminal device to determine a start time of the semi-persistent scheduling SPS, and the sending unit is further configured to send the third information to the terminal device, where the third information is used to indicate that the terminal device is turned on.
  • the base station provided by the fourth aspect supports the adjustment of the SPS resource information by the terminal device in the third aspect in the semi-persistent scheduling activation state.
  • a computer readable storage medium having stored thereon a computer program, wherein the computer program, when executed by a processor, implements the method of the first aspect or the second aspect.
  • an apparatus comprising: one or more processors, a memory, a transceiver, and one or more programs, the one or more programs being stored in the memory, the program being The method provided by the first aspect or the second aspect is implemented when one or more processors are executed.
  • FIG. 1 is a schematic diagram of a long-term evolution network structure.
  • FIG. 2 is a schematic diagram of a network structure of a 5G NR.
  • FIG. 3 is a schematic flowchart diagram of an SPS method according to an embodiment of the present application.
  • FIG. 4 is a schematic flowchart diagram of an SPS method according to another embodiment of the present application.
  • FIG. 5 is a schematic flowchart of an SPS method provided by an embodiment of the present application.
  • FIG. 5A is a schematic diagram of a relationship between a frame and a subframe and a duration provided by an embodiment of the present application.
  • FIG. 6 is a schematic flowchart diagram of an SPS method according to another embodiment of the present application.
  • FIG. 6A is a schematic diagram of another frame and a relationship between a subframe and a duration according to an embodiment of the present application.
  • FIG. 7 is a schematic flowchart diagram of an SPS method according to still another embodiment of the present application.
  • FIG. 7A is a schematic diagram of still another frame and a relationship between a subframe and a duration according to an embodiment of the present application.
  • FIG. 8 is a schematic diagram of SPS cycle index values of the present application.
  • FIG. 8A is a schematic diagram of the relationship between the SR value and the SPS period of the present application.
  • FIG. 9 is a schematic structural diagram of a terminal device provided by the present application.
  • FIG. 10 is a schematic structural diagram of a base station provided by the present application.
  • FIG. 11 is a schematic structural diagram of another terminal device provided by the present application.
  • FIG. 12 is a schematic structural diagram of another base station provided by the present application.
  • FIG. 13A is a schematic structural diagram of hardware of a terminal device provided by the present application.
  • FIG. 13B is a schematic structural diagram of a hardware of a base station provided by the present application.
  • FIG. 1 is a schematic diagram of a network structure of Long Term Evolution (LTE). As shown in FIG. 1 , it includes a mobility management entity (English: Mobility Management Entity, MME) or a service gateway ( English: Serving Gateway (S-GW), each MME or S-GW is connected to at least one evolved base station (English: evolved Node B, eNB), and there are multiple cells or multiple UEs under each eNB.
  • MME Mobility Management Entity
  • S-GW Serving Gateway
  • eNB evolved Node B
  • FIG. 2 provides a network structure diagram of a fifth generation mobile communication technology (5th-Generation, 5G) New Radio (NR), as shown in FIG. 2, in a new air interface base station (English: New Radio) Under Node B, NR-NB, there may be one or more Transmission and Reception Points (TRPs), and one or more UEs may exist in one or more TRP ranges.
  • 5G fifth generation mobile communication technology
  • NR-NB New Radio
  • TRPs Transmission and Reception Points
  • UEs may exist in one or more TRP ranges.
  • FIG. 3 is a schematic diagram of an SPS method according to an embodiment of the present disclosure.
  • the method may be performed by a UE as shown in FIG. 1 or performed by a UE as shown in FIG. Taking the SPS resource adjustment as an example, the method in which the terminal device adjusts the SPS resource by itself may also be referred to as an implicit SPS method.
  • the method is shown in Figure 3 and includes the following steps:
  • Step S301 The terminal device determines a first moment, where the first moment may be a starting moment of a semi-static scheduling resource.
  • the first time in the foregoing step S301 may be pre-configured in the terminal device.
  • the first moment may be a network side device (for example, the eNB in FIG. 1 or the NR-NB as shown in FIG. 2).
  • the configuration or the indication is performed by using a configuration message or the indication information.
  • the network side device eNB or NR-NB
  • Step S302 In the semi-persistent scheduling activation state, the terminal device determines, in a first duration that starts at the first moment, the first information, where the first information is used by the terminal device to determine resource information of the semi-persistent scheduling resource after the second moment. .
  • the acknowledgment mode of the semi-static scheduling activation state in the foregoing step S302 may be that the terminal device may be considered to be in a semi-persistent scheduling activation state when receiving the SPS activation message but not releasing the SPS resource.
  • the resource information of the semi-persistent scheduling resource in the foregoing step S302 may be: an SPS period.
  • the terminal device of the technical solution provided by the application dynamically adjusts the SPS period according to the first information in the first duration in the semi-persistent scheduling activation state, and the technical solution does not need to interrupt the data transmission by the base station or the UE.
  • the terminal device can adjust the SPS period after the second time according to the first information in the first duration, so that the terminal device can adjust the resource without consuming additional physical downlink control channel (English: Physical Downlink Control Channel, PDCCH). SPS cycle.
  • the second moment in the foregoing step S302 may be determined according to the first moment, the first duration, and the second duration.
  • the foregoing first duration and the second duration may be pre-configured by the terminal device.
  • the base station may pass a message (for example, Radio Resource Control (RRC) message, media access control element (English: Media Access Control) Control Element, MAC CE) (or Downlink Control Information (DCI) message) is configured for the terminal device.
  • RRC Radio Resource Control
  • media access control element English: Media Access Control
  • MAC CE Media Access Control Element
  • DCI Downlink Control Information
  • the first moment or the second moment may be a specific time.
  • the first moment or the second moment may also be indexed by a frame number + a subframe number, or a frame number + a subframe number + symbol.
  • the first duration or the second duration may be a specific time period.
  • the first duration or the second duration may be the number of frames, the number of subframes, the number of TTIs, the number of symbols, or the number of SPS resources.
  • T1 takes (SFN1, subframe 1) as an example.
  • the first duration is 2 SPS periods
  • the second duration is 1 SPS period
  • the period may be 10 subframes
  • T2 T1+3*SPS period
  • each SFN includes 10 subframes as an example, and the T2 may specifically be (SFN4, subframe 1).
  • SFN is the system frame number (English: System Frame Number, SFN)
  • the first information may be: padding bits (English: padding bits) information or patch hopping (English: padding skipping).
  • the terminal device may receive the first adjustment value from the base station.
  • the first adjustment value may also be pre-configured at the terminal device.
  • the determining, by the terminal device, the period value of the SPS after the second time according to the first information and the first adjustment value may be:
  • the terminal device determines that the number of padding bits is greater than the first set threshold, the terminal device increases the period of the SPS by the first adjustment value after the second time.
  • the terminal device determines that the number of padding bits is less than the second set threshold, the terminal device reduces the period of the SPS by the first adjustment value after the second time.
  • the terminal device determines that the ratio is greater than the first set ratio threshold, the terminal device increases the period of the SPS by the first adjustment value after the second time; or the terminal device determines the ratio.
  • the second set ratio threshold is less than the second set ratio threshold, and the terminal device reduces the period of the SPS by the first adjustment value after the second moment.
  • the terminal device determines that the number of times is greater than the first set number of times, and the terminal device increases the period of the SPS by the first adjustment value after the second time; the terminal device determines that the number of times is less than the second setting.
  • the number of times threshold the terminal device reduces the period of the SPS by the first adjustment value after the second time.
  • the terminal device may send a second message to the base station before the step S301, where the second message is used to indicate that the terminal device has the capability of SPS period adjustment.
  • the indication field may be a value of 1 bit. Specifically, when the 1 bit value in the indication field is 1, the capability of the SPS period adjustment may be indicated. Otherwise, the indication of O is not Ability to adjust SPS cycles.
  • the second message may be the capability reporting information, and the terminal device may set the indication field of the SPS period adjustment capability of the capability reporting information to True to indicate that the terminal device has the capability of SPS period adjustment.
  • one or more of the first duration, the second duration, the first moment, and the first adjustment value are pre-configured; or the first duration, the second duration, and the first moment
  • One or more of the first adjustment values may be configured by the base station for the terminal device.
  • the foregoing configuration manners of the first duration, the second duration, the first moment, and the first adjustment value include, but are not limited to, the following combinations:
  • the mode A, the first duration, the second duration, and the first moment may be pre-configured for the terminal device, and the first adjustment value may be configured by the base station.
  • the pre-configuration manner of the foregoing first time may be that the terminal device pre-configures the first time to be the reception time delay of the SPS activation message, and the preset time is the first time instant.
  • the preset time may specifically be one or any combination of the number of frames, the number of subframes, the number of TTIs, the number of symbols, or the number of SPS resources.
  • the first time may be pre-configured for the terminal device, and the first duration, the second duration, and the first adjustment value may be configured by the base station.
  • the mode C, the first time, and the first adjustment value may be configured by the base station, where the first duration and the second duration may be pre-configured for the terminal device.
  • FIG. 4 is a SPS method according to another embodiment of the present application.
  • the method may be performed by an eNB as shown in FIG. 1 or performed by an NR-NB as shown in FIG. 2.
  • an eNB or an NR-NB is referred to as a base station.
  • the method is as shown in FIG. 4 and includes the following steps:
  • Step S401 The base station sends a third message to the terminal device, where the third message is used to indicate that the terminal device starts the resource configuration update of the SPS resource, and the resource configuration may be: a period of the SPS.
  • Step S402 The base station sends first control information to the terminal device, where the first control information is used by the terminal device to determine a start time, that is, a first time, of the SPS resource.
  • the first control information in the foregoing step S401 may be specifically: MAC CE or DCI information, and the DCI message may be an SPS activation message.
  • MAC CE MAC CE
  • DCI message may be an SPS activation message.
  • the method provided by the embodiment shown in FIG. 4 supports the implementation of the method provided by the embodiment shown in FIG.
  • the base station may further send a first adjustment value to the terminal device, where the first adjustment value may be used by the terminal device to update the period of the SPS.
  • the first adjustment value may be carried in a signaling, where the signaling includes, but is not limited to, an RRC message, a MAC CE, or a DCI message.
  • the first adjustment value may be carried in step S401.
  • the third message In the third message.
  • the base station may further send, to the terminal device, first duration information indicating the first duration.
  • the base station sends the second time information indicating the second time to the terminal device, where the second time information is the second time or the second time length, and the second time length is used by the terminal device to determine
  • the specific determination method can be referred to the description in the embodiment shown in FIG. 3, and details are not described herein again.
  • the base station sends an SPS adjustment condition to the terminal device, where the adjustment condition includes, but is not limited to, whether the number of padding bits is greater than a first set threshold threshold or whether the number of padding bits is less than a second set threshold threshold. Or whether the ratio of the padding bits to the total bits is greater than the first ratio threshold threshold or whether the ratio of the padding bits to the total bits is less than the second ratio threshold threshold; or whether the number of padding skipping is greater than the first threshold threshold or the number of padding skipping times Whether it is less than the second threshold threshold.
  • the adjustment condition includes, but is not limited to, whether the number of padding bits is greater than a first set threshold threshold or whether the number of padding bits is less than a second set threshold threshold. Or whether the ratio of the padding bits to the total bits is greater than the first ratio threshold threshold or whether the ratio of the padding bits to the total bits is less than the second ratio threshold threshold; or whether the number of padding skipping is greater than the first threshold threshold or the number of padding skipping times Whether it is less than the second threshold threshold.
  • the base station receives the second message sent by the terminal device, and the base station determines, according to the second message, that the terminal device has the SPS period adjustment capability, the specific expression form of the second message, and the second message.
  • the base station determines, according to the second message, that the terminal device has the SPS period adjustment capability, the specific expression form of the second message, and the second message.
  • FIG. 5 provides an SPS method, which is implemented in the technical scenario shown in FIG. 2, where the UE is pre-configured with a first duration T1, a second duration T2, and a first threshold. a threshold and a second threshold threshold, wherein the second threshold is smaller than the first threshold, where the duration is in the number of subframes, as shown in FIG. 5A, there are three SFNs, For the convenience of description, three SFNs are named as follows: SFN1, SFN2, and SFN3, each SFN includes 10 subframes, numbered 0-9, and the number of subframes of the T1 may be 11 subframes, and the number of frames of the T2 may be For 10 subframes, the method is as shown in FIG. 5, and includes the following steps:
  • Step S500 The UE sends a capability indication message to the NR-NB, where the capability indication message may include a first adjustment value X, where the indication field of the SPS period adjustment capability of the capability indication message is set to True.
  • Step S501 The NR-NB sends an SPS activation message to the UE.
  • Step S502 The UE extracts a frame number and a subframe number that are received by the SPS activation message, where the frame number and the subframe number may be specifically: subframe 1 of SFN1.
  • Step S503 The UE counts the number of padding bits between the subframe 1 of the SFN1 and the subframe 1 of the SFN2 (the range of T1 shown in FIG. 5A).
  • Step S504 When the UE determines that the number of padding bits is greater than the first threshold threshold, the UE updates the SPS period to tSPS+X after the second time, that is, after the subframe 2 of the SFN3, where the tSPS is the UE before the subframe 2 of the SFN3. SPS cycle value.
  • the UE in the embodiment shown in FIG. 5 counts the number of padding bits in the first time in the SPS activation state. If the number is greater than the number threshold range, the SPS period is increased by X at the second moment, so that the UE can The number of padding bits for one time automatically adjusts the SPS period, does not interrupt the data transmission process, and automatically adjusts the SPS period without consuming additional PDCCH control resources.
  • FIG. 6 is a method of an SPS according to another embodiment of the present application.
  • the method may be performed by a UE as shown in FIG. 1 or FIG. 2.
  • the UE is referred to as a terminal device.
  • the method adjusts the SPS period by the terminal device according to the information sent by the base station, and the method for the terminal device to passively adjust the SPS may also be referred to as an explicit SPS method.
  • the method is shown in Figure 6, and includes the following steps:
  • Step S601 The terminal device determines the first time in the semi-static scheduling activation state, and after receiving the first time, the receiving base station sends a fifth message, where the fifth message includes: resource information of the first SPS.
  • the resource information of the first SPS in the foregoing step S601 may be a first SPS period value or a first SPS index value, and the resource information of the SPS may also be: frequency domain location information, modulation coding. (English: Modulation and Coding Scheme, MCS) information, Hybrid Automatic Repeat Request (HARQ) process number, frequency hopping indication, channel quality indication (CQI) indication Or TTI length indicates any one or any combination.
  • MCS Modulation and Coding Scheme
  • HARQ Hybrid Automatic Repeat Request
  • CQI channel quality indication
  • TTI length indicates any one or any combination.
  • the foregoing SPS period index value may be used to indicate that the terminal device determines the first SPS period in the optional SPS period according to the index value.
  • For the mapping relationship between the SPS period index value and the SPS period refer to the schematic diagram shown in FIG. 8.
  • the foregoing fifth message may be multiple messages according to actual conditions, such as an RRC message, a MAC CE, or a DCI message.
  • the foregoing RRC message may specifically be an RRC reconfiguration message.
  • the base station does not send an RRC reconfiguration message to the UE to change the SPS period in the SPS activation state, because the RRC reconfiguration message may undergo HARQ retransmission or Radio Link Control (RLC) retransmission. Therefore, when the RRC reconfiguration message arrives at the UE, the base station cannot accurately know the time, that is, the time when the base station cannot confirm the RRC reconfiguration message received by the UE. Therefore, the second time instant of the new SPS period cannot be determined according to the arrival time of the RRC reconfiguration message. in order to Both the base station and the UE can learn the second time through the RRC reconfiguration message.
  • RLC Radio Link Control
  • the frame number and the subframe number that are valid for the specific new SPS period can be indicated in the RRC reconfiguration message (ie, the second At the moment, after receiving the RRC reconfiguration message, the UE adopts a new SPS period from the second moment, and the original SPS period is still used before the second moment. In this manner, a larger time margin needs to be set, that is, the interval between the first time and the second time is sufficiently long to ensure that the UE can receive the RRC reconfiguration message before the second time.
  • the determining, by the base station, that the UE successfully receives the RRC reconfiguration message may determine whether the RRC reconfiguration message is successfully received by receiving any one of the following UE feedback information.
  • the base station receives a status report indicating that the HARQ ACK or ARQ indicates successful transmission, or an RRC reconfiguration complete message.
  • the DL-Assignment or the UL-Grant information may be indicated in the RRC reconfiguration message.
  • the DL-Assignment may be changed without using the DCI.
  • the downlink SPS and the uplink SPS scenario may also be used. The DCI is not consumed to indicate a new UL-Grant.
  • the MAC CE is the control signaling of the MAC layer, may experience HARQ retransmission, but does not experience RLC retransmission, so the time required to receive the MAC CE is shorter than the time required to receive the RRC reconfiguration message.
  • the new SPS period and the effective time information (ie, the second time) may be indicated in the MAC CE, where the effective time may include a frame number and a subframe number, and the period information may be a specific period value or an index value, and the index value is used by the index value.
  • the mapping relationship between the index value and the period value may be as shown in FIG. 8 for the optional period value corresponding to the SPS-config IE.
  • the base station may determine that the UE successfully receives the MAC CE indication by receiving the HARQ ACK message.
  • the DL-Assignment or UL-Grant information is indicated in the MAC CE.
  • the foregoing DCI indication may be specifically an SPS reactivation message indication.
  • the base station sends a new SPS period to the UE by using the RRC reconfiguration information.
  • the UE After successfully receiving the RRC reconfiguration message, the UE returns an RRC reconfiguration complete message to the base station, where the base station determines.
  • the SPS reactivation message is sent to the UE to enable the new SPS period.
  • the UE receives the SPS reactivation message
  • the UE receives the SPS reactivation message at the receiving time or the receiving time delay. Start adopting the new SPS cycle.
  • the UE After receiving the SPS reactivation message, the UE starts to adopt a new SPS cycle.
  • the above SPS is taken as an example.
  • the original SPS period is 5 ms, and the SPS resources are allocated in subframe 1 and subframe 6.
  • the UE receives the RRC weight sent by the base station.
  • the configuration message in the SPS-config IE of the RRC reconfiguration message, the SPS period value is changed to 3 ms, and after the UE completes the operation required in the RRC reconfiguration message, the RRC reconfiguration complete message (SFN2, subframe 3) is fed back to the base station, After receiving the message, the base station confirms that the UE has completed the parameter configuration of the SPS period, and then sends an SPS reactivation message (for the uplink SPS) through the physical downlink control channel (English: Physical Downlink Control Channel, PDCCH) in (SFN2, subframe 8).
  • the physical downlink control channel English: Physical Downlink Control Channel, PDCCH
  • subframe n receives the activation message, which is valid in subframe n+4), and the new SPS period takes effect in (SFN3, subframe 2). If it is a downlink SPS, it is the first SPS opportunity at the time of receiving the SPS activation message, and the subsequent SPS opportunity is determined according to the new cycle.
  • the above-mentioned DCI message is an example of an SPS activation message
  • the base station may send an SPS activation message to the UE, where the SPS activation message directly indicates the SPS new period, and the UE receives the reception time of the SPS activation information as the corresponding SPS resource start time (ie, First time), the SPS opportunity is determined according to the new SPS period value after the starting time.
  • SPS resource start time ie, First time
  • the base station can confirm that the UE successfully receives the SPS activation message by using the ACK fed back by the UE; in the uplink SPS, the base station needs to retain the original SPS resource and the new SPS resource at the same time, and after receiving the data sent by the UE on the new SPS resource, Release the original SPS resource. If the UE fails to receive the SPS activation message, the base station continues to send a message on the original SPS resource, and the base station needs to retransmit the DCI indication.
  • the above manner of retaining the original SPS resource and the new SPS resource also applies to the mode based on the RRC reconfiguration message or the MAC CE indication. That is, after the base station configures a new SPS resource for the UE, the UE can send a message to the UE on the two resources simultaneously for the downlink. If the ACK is sent by the UE to the message on the new SPS resource, the UE is considered to have switched to the new SPS resource.
  • the uplink SPS base station can try to receive the uplink message on the two resources at the same time. If the uplink message is received on the new SPS resource, the UE is considered to have switched the new SPS resource, which avoids setting the reserved time too long.
  • the UE may also apply to the base station to adjust the SPS resources. For example, the UE informs the base station of the SPS resource that the UE desires to select, or the adjustment amount of the SPS resource, or one or more of the adjustment ranges of the SPS resource, through the RRC message or the MAC CE.
  • the UE informs the base station by using a scheduling request (English: Scheduling Request, SR), and the UE may send an SR to trigger the modification of the SPS period, and the SR carries the SPS period prompt information, for example, the SR carries 2 bits, and the 2 bits correspond to 4 possibilities, as shown in FIG. 8A. .
  • the base station can allocate a suitable SPS period to the UE according to the SR of the UE.
  • Step S602 The terminal device determines the second moment according to the fifth message, and the terminal device determines that the SPS resource information after the second moment may be the resource information of the first SPS.
  • the time after the terminal device delays the fourth time according to the receiving time of the DCI message is the second time.
  • the base station can determine the receiving moment of the DCI message.
  • the base station cannot estimate the reception time of the RRC message or the MAC CE message.
  • the second time can be carried in the RRC message or the MAC CE message.
  • the second time can also be carried in the DCI message.
  • the base station receives a second message sent by the terminal device, where the second message is used to indicate that the terminal device has the capability of SPS cycle adjustment.
  • the base station receives the scheduling request SR sent by the UE, and triggers the SPS period adjustment.
  • the UE carries the SPS periodic prompt information through the SR.
  • the SR carries the 2-bit information, and the corresponding relationship of the 2-bit information SPS period is as shown in FIG. 8A.
  • the SR includes 00, that is, the SPS period that the UE wants to configure is less than 5 ms, and the base station can configure the corresponding SPS period according to the request of the UE.
  • FIG. 7 is a SPS method according to another embodiment of the present application. The method may be performed by an eNB as shown in FIG. 1 or performed by an NR-NB as shown in FIG. 2. For convenience of description, the implementation is implemented. For example, an eNB or an NR-NB is referred to as a base station. The method is shown in Figure 7, and includes the following steps:
  • Step S701 The base station sends a third message to the terminal device, where the third message is used to instruct the terminal device to update the resource information of the SPS resource, where the resource information may be: an SPS period value.
  • Step S702 The base station sends first control information to the terminal device, where the first control information is used by the terminal device to determine a start time, that is, a first time, of the SPS resource.
  • the third message may be one of an RRC message, a MAC CE message, or a DCI message.
  • the foregoing first control information may specifically be an SPS activation message.
  • the foregoing third message may further include any one or a combination of the first adjustment value, the second time, the third duration, and the SPS period index value.
  • the foregoing third message may further include: a maximum value and a minimum value of the SPS period, so that the SPS period does not increase or decrease indefinitely.
  • the terminal device can start the automatic adjustment process of the SPS period.
  • the first three SPS opportunities ie 3 SPS cycles).
  • the preset condition is the number of MAC data units (PDUs) including padding bits.
  • the SPS period is increased by one subframe based on the original SPS period, if the number of MAC PDUs is Less than or equal to 1 reduces one subframe based on the original SPS period.
  • the statistical results are not included in the statistical results if they are NACK. Specifically, as shown in FIG.
  • (SFN3, subframe 1) is the last subframe in the cooling time, and the subframe is used as the starting position.
  • the next SPS opportunity calculated according to the 4-subframe SPS period appears in (SFN3, subframe 5), and subsequent SPS opportunities are calculated according to the 4-subframe SPS period.
  • FIG. 9 provides a terminal device 90, which may be a UE as shown in FIG. 1 or a UE as shown in FIG.
  • the terminal device 90 can include:
  • a determining unit 901 configured to determine a first moment, where the first moment is a starting time of a semi-static scheduling resource
  • the processing unit 902 is configured to determine, in a semi-persistent scheduling activation state, the first information, where the first information is used, after the second time period, the first information is used, and the first information is used by the terminal device to determine the location after the second time The resource information of the semi-static scheduling resource.
  • the terminal device 900 further includes:
  • the receiving unit 903 is configured to receive a first adjustment value from the base station, where
  • the processing unit 902 is further configured to determine, according to the first information and the first adjustment value, a period value of the semi-static resource after the second moment.
  • the processing unit 902 is further configured to: if the padding bits information is the number of the padding bits, determine that the number of the padding bits is greater than the first set threshold, and increase the period of the semi-static resource by the first adjustment value after the second time; Or determining that the number of padding bits is less than a second set threshold, and decreasing the period of the semi-static resource by the first adjustment value after the second moment.
  • the processing unit 902 is further configured to determine, according to the number of times that the first information is padding skipping, that the number of times is greater than the first set number of times, and increase the period of the semi-static resource by the first adjustment value after the second time Or determining that the number of times is less than a second set number of times, reducing a period of the semi-static resource to the first after the second time Adjust the value.
  • the processing unit 902 is further configured to: if the padding bits information is a first ratio of the padding bits to the total bits, determine that the first ratio is greater than the second set ratio, and increase the period of the semi-static resources after the second moment And determining, by the first adjustment value, that the ratio is less than a third set ratio, and reducing a period of the semi-static resource by the first adjustment value after the second moment.
  • the terminal device further includes:
  • the sending unit 904 is configured to send, to the base station, second information, where the second information is used to indicate that the terminal device can support semi-persistent scheduling period adjustment.
  • a base station 1000 is provided.
  • the base station may be an eNB as shown in FIG. 1 or an NR-NB as shown in FIG. 2, and the base station includes:
  • the sending unit 1001 is configured to send, to the terminal device, first control information, where the first control information is used by the terminal device to determine a starting time of the semi-persistent scheduling;
  • the sending unit 1001 is further configured to send, to the terminal device, third information, where the third information is used to instruct the terminal device to enable the resource information update of the semi-persistent scheduling; the resource information includes an SPS period.
  • the sending unit 1001 in the base station shown in FIG. 10 can also be used to implement the implementation of the embodiment shown in FIG. 4, and details are not described herein again.
  • the foregoing base station may further include:
  • the receiving unit 1002 is configured to receive second information from the terminal device.
  • the processing unit 1003 is configured to determine, according to the second information, the capability of the terminal device to have a semi-persistent scheduling period adjustment.
  • the present application also provides a computer readable storage medium storing a computer program for electronic data exchange, wherein the computer program causes the computer to execute the SPS method and the refinement scheme in the embodiment shown in FIG.
  • the present application also provides a computer readable storage medium storing a computer program for electronic data exchange, wherein the computer program causes the computer to execute the SPS method and the refinement scheme in the embodiment shown in FIG.
  • FIG. 11 is another terminal device 110 according to an embodiment of the present disclosure, where the terminal device includes:
  • the processing unit 1101 is configured to determine a first moment in a semi-persistent scheduling activation state
  • the communication unit 1102 is configured to send, by the receiving base station, a fifth message after the first time, where the fifth message includes: resource information of the first SPS.
  • the processing unit 1101 is further configured to determine, according to the fifth message, the second moment, where the terminal device determines that the SPS resource information after the second moment may be the resource information of the first SPS.
  • FIG. 12 is another base station 120 according to an embodiment of the present application.
  • the base station 120 includes:
  • the sending unit 1201 is configured to send, to the terminal device, a third message, where the third message is used to indicate that the terminal device starts the resource information update of the SPS resource, where the resource information may be: a period value of the SPS.
  • the sending unit 1201 is further configured to send, to the terminal device, first control information, where the first control information is used by the terminal device to determine a start time, that is, a first time, of the SPS resource.
  • FIG. 13A shows a possible structural diagram of the terminal device involved in the above embodiment.
  • the terminal device 1300 includes a processing unit 1302 and a communication unit 1303.
  • the processing unit 1302 is configured to control and manage the actions of the terminal device.
  • the processing unit 1302 is configured to support the terminal device to perform steps S301 and S302 in FIG. 3 and/or other processes for the techniques described herein.
  • the processing unit may also be used to support the terminal device to perform step S500, step S502-step S504, and/or other processes for the techniques described herein illustrated in FIG.
  • the processing unit can also be used to support the terminal device in performing steps 601 and S602 shown in FIG. 6 and/or other processes for the techniques described herein.
  • the communication unit 1303 is configured to support communication between the terminal device and the base station, for example, communication between the eNB and the UE in the LTE system, and communication between the NR-NB and the TRP in the NR system.
  • the terminal device may further include a storage unit 1301 for storing program codes and data of the terminal device.
  • the processing unit 1302 may be a processor or a controller, such as a central processing unit (CPU), a general-purpose processor, a digital signal processor (DSP), and an application-specific integrated circuit (Application-Specific). Integrated Circuit (ASIC), Field Programmable Gate Array (FPGA) or other programmable logic device, transistor logic device, hardware component, or any combination thereof. It is possible to implement or carry out the various illustrative logical blocks, modules and circuits described in connection with the present disclosure.
  • the processor may also be a combination of computing functions, for example, including one or more microprocessor combinations, a combination of a DSP and a microprocessor, and the like.
  • the communication unit 1303 may be a communication interface, a transceiver, a transceiver circuit, etc., wherein the communication interface is a collective name and may include one or more interfaces.
  • the storage unit 1301 may be a memory.
  • the apparatus for distributing metadata may be the apparatus for distributing metadata as shown in FIG. 7B.
  • FIG. 13B is a schematic diagram showing a possible structure of a base station involved in the foregoing embodiment.
  • the base station 1310 includes a processor 1312, a communication interface 1313, and a memory 1311.
  • the processing unit 1312 is configured to control and manage the actions of the base station.
  • the processing unit 1302 is configured to support the terminal device to perform steps S401 and S402 in FIG. 4 and/or other processes for the techniques described herein.
  • the processing unit may also be used to support the terminal device to perform step S501 shown in FIG. 5 and/or other processes for the techniques described herein.
  • the processing unit can also be used to support the terminal device in performing steps 701 and S702 shown in FIG. 7 and/or other processes for the techniques described herein.
  • the base station 1310 may further include a bus 1314.
  • the communication interface 1313, the processor 1312, and the memory 1311 may be connected to each other through a bus 1314.
  • the bus 1314 may be a Peripheral Component Interconnect (PCI) bus or an Extended Industry Standard Architecture (abbreviated). EISA) bus and so on.
  • PCI Peripheral Component Interconnect
  • EISA Extended Industry Standard Architecture
  • the bus 1314 can be divided into an address bus, a data bus, a control bus, and the like. For ease of representation, only one thick line is shown in Fig. 13B, but it does not mean that there is only one bus or one type of bus.
  • the storage medium may be a magnetic disk, an optical disk, a read-only memory (ROM), or a random access memory (RAM).

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

Abstract

L'invention concerne un procédé de planification semi-statique, un dispositif terminal déterminant un premier moment, le premier moment constitue un moment de départ d'une ressource de planification semi-statique ; dans l'état d'activation de planification semi-statique, le dispositif terminal détermine des premières informations dans une première durée à partir du premier moment, les premières informations sont utilisées pour que le dispositif terminal détermine des informations de ressource concernant la ressource de planification semi-statique après un second moment. La présente invention présente l'avantage de régler une ressource de planification semi-statique dans un état d'activation de réglage semi-statique.
PCT/CN2017/087773 2017-06-09 2017-06-09 Procédé de planification semi-statique, appareil et dispositif WO2018223390A1 (fr)

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Cited By (1)

* Cited by examiner, † Cited by third party
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WO2023145132A1 (fr) * 2022-01-27 2023-08-03 Mitsubishi Electric Corporation Systèmes, appareils et procédés de planification semi-persistante dans des réseaux de communication

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CN104853441A (zh) * 2014-02-17 2015-08-19 普天信息技术有限公司 一种半静态调度重配方法和系统
CN105101428A (zh) * 2014-05-22 2015-11-25 中兴通讯股份有限公司 调度方法及系统、终端、发送方法、基站及其调度方法
CN105592557A (zh) * 2014-11-17 2016-05-18 中兴通讯股份有限公司 半静态调度控制方法、装置及基站
CN105704828A (zh) * 2014-11-25 2016-06-22 中兴通讯股份有限公司 一种资源调度的方法和装置

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CN104853441A (zh) * 2014-02-17 2015-08-19 普天信息技术有限公司 一种半静态调度重配方法和系统
CN105101428A (zh) * 2014-05-22 2015-11-25 中兴通讯股份有限公司 调度方法及系统、终端、发送方法、基站及其调度方法
CN105592557A (zh) * 2014-11-17 2016-05-18 中兴通讯股份有限公司 半静态调度控制方法、装置及基站
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WO2023145132A1 (fr) * 2022-01-27 2023-08-03 Mitsubishi Electric Corporation Systèmes, appareils et procédés de planification semi-persistante dans des réseaux de communication

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