WO2020024832A1 - Procédé de transmission, dispositif terminal et dispositif côté réseau - Google Patents

Procédé de transmission, dispositif terminal et dispositif côté réseau Download PDF

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Publication number
WO2020024832A1
WO2020024832A1 PCT/CN2019/097058 CN2019097058W WO2020024832A1 WO 2020024832 A1 WO2020024832 A1 WO 2020024832A1 CN 2019097058 W CN2019097058 W CN 2019097058W WO 2020024832 A1 WO2020024832 A1 WO 2020024832A1
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Prior art keywords
resource
resources
terminal device
information
identifier
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PCT/CN2019/097058
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English (en)
Chinese (zh)
Inventor
吴昱民
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维沃移动通信有限公司
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Publication of WO2020024832A1 publication Critical patent/WO2020024832A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling
    • H04W72/1263—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H04L5/0057—Physical resource allocation for CQI
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0833—Random access procedures, e.g. with 4-step access

Definitions

  • the present disclosure relates to the field of communication technologies, and in particular, to a transmission method, a terminal device, and a network-side device.
  • a buffer status report (Buffer Status Report, BSR)
  • BSR buffer Status Report
  • the UE After the UE triggers the SR transmission, the UE performs a Listen Before Talk (LBT) to detect whether the frequency used for the SR transmission is idle. If the frequency is already occupied, the actual transmission of the SR may fail. After the UE triggers the SR transmission, it will start the SR prohibition timer (ie SR-Prohibit Timer). The failure of the SR transmission caused by the above LBT (not actually sent) will cause the SR to fail to send immediately in the subsequent available SR resources, resulting in additional SR transmission delay.
  • LBT Listen Before Talk
  • Embodiments of the present disclosure provide a transmission method, a terminal device, and a network-side device to solve the problem of SR transmission delay caused by a terminal device LBT failure.
  • an embodiment of the present disclosure provides a transmission method.
  • the method includes:
  • the target SR resource is an SR resource in a transmittable state among the N SR resources, the N SR resources are SR resources indicated by the SR resource configuration information, and N is an integer greater than 1.
  • an embodiment of the present disclosure further provides a transmission method.
  • the method includes:
  • the SR resource configuration information is used to indicate N SR resources used for SR transmission, and N is an integer greater than 1.
  • an embodiment of the present disclosure further provides a terminal device.
  • the terminal equipment includes:
  • a sending module configured to send the SR by using the target scheduling request SR resource
  • the target SR resource is a SR resource in a transmittable state among the N SR resources, the N SR resources are SR resources indicated by the SR resource configuration information, and N is an integer greater than 1.
  • an embodiment of the present disclosure further provides a network-side device.
  • the network-side equipment includes:
  • a sending module configured to send scheduling request SR resource configuration information to a terminal device
  • the SR resource configuration information is used to indicate N SR resources used for SR transmission, and N is an integer greater than 1.
  • an embodiment of the present disclosure further provides a terminal device including a processor, a memory, and a computer program stored on the memory and executable on the processor, where the computer program is executed by the processor Steps of implementing the transmission method provided by the first aspect above.
  • an embodiment of the present disclosure further provides a network-side device, including a processor, a memory, and a computer program stored on the memory and executable on the processor.
  • the computer program is replaced by the processor.
  • an embodiment of the present disclosure further provides a computer-readable storage medium, where the computer-readable storage medium stores a computer program, and when the computer program is executed by a processor, the transmission method provided by the first aspect is implemented. Steps, or steps for implementing the transmission method provided in the second aspect above.
  • the SR is sent by using a target scheduling request SR resource; wherein the target SR resource is a SR resource in a transmittable state among N SR resources, and the N SR resources are indicated by the SR resource configuration information SR resource, N is an integer greater than 1. Because the terminal device can monitor multiple SR resources for SR transmission, the probability of successful SR transmission can be increased, and the probability of SR transmission delay can be reduced.
  • FIG. 1 is a structural diagram of a network system applicable to an embodiment of the present disclosure
  • FIG. 2 is a schematic diagram of an SR resource provided by an embodiment of the present disclosure
  • FIG. 3 is a flowchart of a transmission method according to an embodiment of the present disclosure.
  • FIG. 6 is a structural diagram of a terminal device according to an embodiment of the present disclosure.
  • FIG. 7 is a structural diagram of a network-side device according to an embodiment of the present disclosure.
  • FIG. 8 is a structural diagram of another terminal device according to an embodiment of the present disclosure.
  • FIG. 9 is a structural diagram of another network-side device according to an embodiment of the present disclosure.
  • the transmitting end For an unlicensed frequency band, the transmitting end needs to monitor whether the frequency band is occupied before sending the signal. If it is not occupied, the transmitting end can send signals in this frequency band.
  • UE user equipment
  • BSR buffer Status Report
  • SR scheduling request
  • the UE can start an SR prohibit timer (ie, SR-Prohibit Timer), and can Increase the SR send times counter (ie SR_COUNTER) by 1.
  • SR prohibit timer ie, SR-Prohibit Timer
  • the UE Before the SR prohibit timer (ie, SR-Prohibit Timer) expires, the UE cannot send an SR on the SR resource.
  • SR prohibit timer ie, SR-Prohibit Timer
  • FIG. 1 is a schematic diagram of an applicable network structure according to an embodiment of the present disclosure. As shown in FIG. 1, it includes a terminal device 11 and a network-side device 12.
  • the terminal device 11 may be a mobile phone or a tablet computer (Tablet Personal Computer) , Laptop (Computer), Personal Digital Assistant (PDA), Mobile Internet Device (MID), or Wearable Device (Wearable Device), etc.
  • the specific type of the terminal device 11 is not limited.
  • the network-side device 12 may be a base station, such as: macro station, LTE eNB, 5G NR, NB, gNB, etc .; the network-side device 12 may also be a small station, such as low-power node (LPN) pico, femto and other small stations Or, the network side device 12 may be an access point (Access Point, AP); the base station may also be a central unit (Central Unit, CU) and a plurality of transmission and reception points (Transmission and Reception Point (TRP)) that are managed and controlled by the base station. Network node. It should be noted that the specific type of the network-side device 12 is not limited in the embodiments of the present disclosure.
  • the terminal device 11 after the terminal device 11 triggers the SR transmission, it can separately monitor the N SR resources indicated by the SR resource configuration information, and send the SR using the SR resources in the transmittable state among the N SR resources, where N is An integer greater than 1.
  • the above SR resource configuration information may be predefined by the protocol, or may be configured by the network-side device 12.
  • the above SR resource configuration information may include SR resource location information, where the SR resource location information may include at least one of frequency domain information, time domain information, and space domain information.
  • the above SR resource location information may include multiple frequency domain information, multiple time domain information, or multiple spatial domain information.
  • the frequency domain information may include a frequency point identifier a1, a frequency point identifier a2, and a frequency point identifier a3.
  • the above SR resource configuration information may further include quantity information of SR resources, where the quantity information of SR resources may include the number of SR resources corresponding to the frequency domain, the number of SR resources corresponding to the time domain, and the spatial domain corresponding At least one of the number of SR resources and the like.
  • the location information of the starting SR resource and the quantity information of the SR resource may be configured to indicate multiple SR resources to the terminal device.
  • the position information of the starting SR resource is frequency point 1 and the number of SR resources is 3, which may be 3 consecutive SR resources starting from frequency point 1 for SR transmission of the terminal device; the position of the starting SR resource
  • the information SSB_1 and the number of SR resources are 4, which may be 4 SR resources indicated by 4 consecutive spatial domain numbers starting from SSB_1 (ie, SSB_1 to SSB_4) for SR transmission of the terminal device.
  • the embodiments of the present disclosure can indicate multiple SR resources to the terminal device by configuring the location information of the starting SR resource and the number of SR resources, which can reduce the size of the SR resource configuration information and save system resources.
  • the starting time position t0 of the SR transmission, the transmission period ⁇ t of the SR, and the number of SR resources 4 it is possible to indicate to the terminal device SR # 1 to SR shown in FIG. SR # 4 These four SR resources.
  • SR # 1 to SR # 4 it is necessary to configure the frequency point identifier and the start time position of each SR resource in SR # 1 to SR4, which can reduce the size of the SR resource configuration information.
  • the SR resources in the transmittable state among the N SR resources may refer to SR resources in the N SR resources that are not occupied by other sending devices, or SR resources in an idle state. Specifically, after triggering the SR transmission, the terminal device 11 may monitor the N SR resources respectively, and when monitoring that a certain SR resource is in a transmittable state, may use the SR resource to send the SR.
  • the terminal device 11 may indicate that the transmission is successful. For example, if the PHY layer of the terminal device successfully sends an SR on a certain SR resource, the PHY layer may indicate that the MAC layer has successfully sent the SR.
  • the terminal device 11 may indicate that the transmission fails. For example, if the PHY layer of the terminal device 11 fails to send the SR on the N SR resources indicated by the MAC layer, the PHY layer may indicate that the MAC layer SR transmission fails.
  • the terminal device 11 after the terminal device 11 triggers the SR transmission, it can monitor whether the N SR resources are in a transmittable state and can use the SR resources in the transmittable state of the N SR resources to transmit the SR, thereby improving the SR transmission.
  • the probability of success can further reduce the probability of SR transmission delay.
  • the terminal device since the terminal device counts the SR transmission counter after triggering the SR transmission, the SR transmission failure caused by the LBT will cause the SR transmission times to be continuously counted, and it is more likely to cause the SR process to fail.
  • N SR resources can be monitored to send SRs, which can reduce SR transmission failures caused by LBT, which can reduce the count of SR transmission times, and further reduce the probability of SR process failure.
  • FIG. 3 is a flowchart of a transmission method according to an embodiment of the present disclosure. As shown in FIG. 3, the method includes the following steps:
  • Step 301 Use a target scheduling request SR resource to send an SR.
  • the target SR resource is a SR resource in a transmittable state among the N SR resources, and the N SR resources are SR resources indicated by the SR resource configuration information.
  • N is an integer greater than 1.
  • the SR resource (that is, the target SR resource) in the transmittable state may refer to an SR resource that is not occupied by another transmitting device, or an SR resource that is idle.
  • the terminal device can separately monitor the N SR resources indicated by the SR resource configuration information, and when it monitors that a certain SR resource is in a transmittable state, it can use the SR resource to send the SR.
  • the N SR resources indicated by the SR resource configuration information are indicated to the PHY layer, and the PHY layer listens on the N SR resources respectively.
  • Send an SR eg, frequency point 1 is not occupied
  • the PHY layer sends an SR on the SR resource. It can be understood that, for the other SR resources indicated by the MAC layer this time (that is, all SR resources except the SR resources that sent the SR among the N SR resources), the PHY layer can no longer send the SR or can continue to send.
  • SR this embodiment of the present disclosure does not limit this.
  • the terminal device can monitor multiple SR resources for SR transmission, the probability of successful SR transmission can be increased, and the probability of SR transmission delay can be reduced.
  • the SR resource configuration information may be configured by a network side or predefined by a protocol.
  • the SR resource configuration information may include SR resource location information, and the SR resource location information may include at least one of frequency domain information, time domain information, and space domain information.
  • the above SR resource location information may include at least one of different frequency domain information, different time domain information, and different spatial domain information.
  • SR # 1 to SR # 8 represent eight different SR resources, of which SR # 1 to SR # 4 and SR # 5 to SR # 8 have the same frequency and different time, and SR # 1
  • the four pairs of SR resources, SR # 5, SR # 2 and SR # 6, SR # 3 and SR # 7, and SR # 4 and SR # 8 have the same time and different frequencies.
  • the frequency domain information may include at least one of the following: a cell identifier, a cell group identifier, a frequency point identifier, a bandwidth identifier, and a bandwidth part BWP identifier.
  • the cell identifier is used to indicate a cell, for example, Serving Cell_1.
  • the above cell group identifier is used to indicate a cell group, for example, a master cell group (Master Cell Group, MCG).
  • the frequency point identifier is used to indicate a frequency point, for example, 3.5 GHz.
  • the above bandwidth identifier is used to indicate a bandwidth, for example, 20 MHz.
  • the above-mentioned Bandwidth Part (BWP) identifier is used to indicate a bandwidth part, for example, BWP_1.
  • the time domain information includes at least one of the following: a time interval sent by the SR, a period of the SR sending, and a starting time position of the SR sending.
  • the time zone of the SR transmission, the cycle of the SR transmission, and the start time position of the SR transmission can be set reasonably according to actual conditions.
  • the time zone of the SR transmission may be a time interval of 10ms from the trigger time of the SR; the cycle of the SR transmission may be sent every 2ms within the 10ms transmission time interval; the starting time position of the SR transmission may be a time slot (That is, Slot) sequence indicated by number 1.
  • the spatial domain information includes at least one of the following: a reference signal identifier corresponding to the SR resource and a beam identifier corresponding to the SR resource.
  • the reference signal identifier corresponding to the SR resource is used to indicate a reference signal, and may include a Synchronous Signal Block (SSB) identifier, for example, SSB_1; it may also include a channel state information reference signal (Channel state State Information). Reference (Signal, CSI-RS) identification.
  • SSB Synchronous Signal Block
  • CSI-RS Channel state State Information
  • the reference signal identifier corresponding to the SR resource may include at least one of a synchronization signal block SSB identifier and a channel state information reference signal CSI-RS identifier.
  • the beam identifier corresponding to the SR resource is used to indicate a beam, for example, Beam_1.
  • frequency domain information time domain information
  • space domain information can be arbitrarily combined according to actual needs, which is not limited in the embodiments of the present disclosure.
  • the SR resource configuration information may further include quantity information of SR resources, and the quantity information of SR resources includes at least one of the following:
  • the number of SR resources corresponding to the spatial domain is the number of SR resources corresponding to the spatial domain.
  • the number of SR resources corresponding to the frequency domain may refer to the number of SR resources indicated by different frequency domain information, for example, three consecutive SR resources starting from frequency point 1.
  • the number of SR resources corresponding to the foregoing time domain may refer to the number of SR resources indicated by different time domain information, for example, four SR resources that are continuous in time starting from the triggering time of the SR.
  • the number of SR resources corresponding to the spatial domain may refer to the number of SR resources indicated by different spatial domain information. For example, four consecutive spatial domain numbers (eg, SSB_1 to SSB_4) indicated by SSB_1. .
  • multiple frequency domain information, multiple time domain information, or multiple spatial domain information may be directly configured to directly indicate multiple SR resources.
  • multiple frequency point identifiers can be directly configured, such as frequency point identifier a1, frequency point identifier a2, and frequency point identifier a3.
  • the location information of the starting SR resource and the quantity information of the SR resource may be configured to indicate multiple SR resources to the terminal device.
  • the position information of the starting SR resource is frequency point 1 and the number of SR resources is 3, which may be 3 consecutive SR resources starting from frequency point 1 for SR transmission of the terminal device; the position of the starting SR resource
  • the information SSB_1 and the number of SR resources are 4, which may be 4 SR resources indicated by 4 consecutive spatial domain numbers starting from SSB_1 for SR transmission of the terminal device.
  • only the location information of the starting SR resource and the quantity information of the SR resources can be configured, that is, multiple SR resources can be indicated to the terminal device, the size of the configuration information can be reduced, and system resources can be saved.
  • the terminal device when the terminal device sends the SR successfully, it indicates that the SR is sent successfully.
  • the above-mentioned successful sending of the SR by the terminal device may mean that at least one SR resource among the N SR resources is in a transmittable state, and the SR is successfully transmitted using a certain SR resource in the transmittable state.
  • the PHY layer of the terminal device may send an SR transmission success indication to the MAC layer.
  • the method further includes:
  • the terminal device When the terminal device fails to send the SR, it indicates that the SR transmission fails.
  • the failure of the terminal device to send the SR may mean that the N SR resources fail to send the SR, for example, the N SR resources are all occupied.
  • the PHY layer of the terminal device may send an SR sending failure indication to the MAC layer.
  • the MAC layer can stop the SR disable timer and increase the value of the SR transmission failure counter by 1.
  • the method further includes:
  • the terminal device During the running of the SR prohibition timer, the terminal device is prohibited from sending an SR.
  • the SR disable timer is started, and when the SR disable timer does not expire, Next, the physical PHY layer of the terminal device is prohibited from sending an SR.
  • the MAC layer of the terminal device indicates the SR resources in five time domains to the PHY layer.
  • the PHY layer of the terminal device successfully sends the SR on the first SR resource.
  • the terminal device starts the SR disable timer, so that the remaining 4 SR resources.
  • the PHY layer of the terminal device no longer sends SRs, which can avoid repeated sending of SRs and save system resources.
  • the MAC layer of the terminal device may also be prohibited from triggering the sending of the SR, that is, the MAC layer of the terminal device cannot instruct the PHY layer to send the SR.
  • the SR prohibit timer may be started when the end device triggers the sending of the SR.
  • the SR disable timer is started when the end device triggers the sending of the SR.
  • the starting condition of the SR prohibition timer may further include at least one of the following: the terminal device sends the SR; the terminal device triggers the sending of the SR.
  • the stopping condition of the SR prohibition timer may include: the SR sending of the terminal device fails.
  • the SR disable timer may be stopped.
  • the method further includes:
  • the value of the SR transmission count counter is incremented by N.
  • the value of the SR transmission times counter (ie, SR_COUNTER) may be increased by 1 after each trigger of SR transmission, regardless of the number of SR resources indicated.
  • the value of the SR transmission number counter (ie, SR_COUNTER) may be increased by N, where N is the indicated number of SR resources.
  • N the indicated number of SR resources.
  • the value of the SR transmission counter may be increased only when the SR transmission is successful, that is, when the SR transmission fails, the value of the SR transmission counter of the terminal device does not increase.
  • the MAC layer instructs SR resources in five time domains of the PHY layer to send SRs, but the PHY layer fails to send SRs in these five SR resources, so the value of the SR transmission counter of the MAC layer does not increase.
  • the embodiment of the present disclosure may increase the value of the SR transmission counter only when the SR transmission is successful; or it may increase the value of the SR transmission counter after triggering the SR transmission, and determine that the SR transmission fails. Then, the previously increased value is subtracted accordingly, for example, after the SR transmission is triggered, the SR transmission counter is incremented by 1. If it is determined that the SR transmission failed, the SR transmission counter is decremented by 1.
  • the terminal device may trigger a random access process when the value of the SR transmission counter reaches the threshold of the number of transmissions (ie, SR-TransMax).
  • an SR transmission failure counter (ie, SR_FAILURE_COUNTER) may be set for the SR process, where the SR transmission failure counter counts up for each SR transmission failure.
  • the initial value of SR_FAILURE_COUNTER is 0.
  • the terminal device may increase the value of the SR transmission number counter by 1 or determine that the SR process fails.
  • the processing behavior of the terminal device when the SR process fails to be determined may be the processing behavior of the terminal device when the value of the SR transmission times counter reaches the transmission times threshold, for example, triggering a random access process.
  • FIG. 4 is a flowchart of another transmission method according to an embodiment of the present disclosure. As shown in FIG. 4, the method includes the following steps:
  • Step 401 Send scheduling request SR resource configuration information to a terminal device, where the SR resource configuration information is used to indicate N SR resources used for SR transmission, and N is an integer greater than 1.
  • the N SR resources are used for a terminal device to send an SR to a network-side device, that is, when the terminal device triggers an SR transmission, the terminal device can monitor whether the N SR resources are in a transmittable state and can use the Sendable SR resources send SR.
  • the SR resource configuration information indicating the N SR resources is sent to the terminal device by the network-side device, which can improve the flexibility of the SR resource configuration.
  • the terminal device can send the SR based on the N SR resources indicated by the SR resource configuration information sent by the network-side device, which can increase the probability of successful SR transmission and further reduce the probability of SR transmission delay.
  • the SR resource configuration information includes SR resource location information
  • the SR resource location information includes at least one of frequency domain information, time domain information, and space domain information.
  • the above SR resource location information may include at least one of different frequency domain information, different time domain information, and different spatial domain information.
  • the frequency domain information includes at least one of the following: a cell identifier, a cell group identifier, a frequency point identifier, a bandwidth identifier, and a bandwidth part BWP identifier; and / or
  • the time domain information includes at least one of the following: a time interval sent by the SR, a period of the SR sending, and a starting time position of the SR sending; and / or
  • the spatial domain information includes at least one of the following: a reference signal identifier corresponding to the SR resource and a beam identifier corresponding to the SR resource.
  • the cell identifier is used to indicate a cell, for example, Serving Cell_1.
  • the above cell group identifier is used to indicate a cell group, for example, a master cell group (Master Cell Group, MCG).
  • the frequency point identifier is used to indicate a frequency point, for example, 3.5 GHz.
  • the above bandwidth identifier is used to indicate a bandwidth, for example, 20 MHz.
  • the above-mentioned Bandwidth Part (BWP) identifier is used to indicate a bandwidth part, for example, BWP_1.
  • the time zone of the SR transmission, the cycle of the SR transmission, and the start time position of the SR transmission can be set reasonably according to actual conditions.
  • the time zone of the SR transmission may be a time interval of 10ms from the trigger time of the SR; the cycle of the SR transmission may be sent every 2ms within the 10ms transmission time interval; the starting time position of the SR transmission may be a time slot (That is, Slot) sequence indicated by number 1.
  • the reference signal identifier corresponding to the SR resource is used to indicate a reference signal, and may include an SSB identifier, for example, SSB_1; and may also include a CSI-RS identifier.
  • the beam identifier corresponding to the SR resource is used to indicate a beam, for example, Beam_1.
  • the reference signal identifier corresponding to the SR resource includes at least one of the following:
  • the SR resource configuration information further includes quantity information of the SR resources, and the quantity information of the SR resources includes at least one of the following:
  • the number of SR resources corresponding to the spatial domain is the number of SR resources corresponding to the spatial domain.
  • the number of SR resources corresponding to the frequency domain may refer to the number of SR resources indicated by different frequency domain information, for example, three consecutive SR resources starting from frequency point 1.
  • the number of SR resources corresponding to the foregoing time domain may refer to the number of SR resources indicated by different time domain information, for example, four SR resources that are continuous in time starting from the triggering time of the SR.
  • the number of SR resources corresponding to the spatial domain may refer to the number of SR resources indicated by different spatial domain information. For example, four consecutive spatial domain numbers (eg, SSB_1 to SSB_4) indicated by SSB_1. .
  • multiple frequency domain information, multiple time domain information, or multiple spatial domain information may be directly configured to directly indicate multiple SR resources.
  • multiple frequency point identifiers can be directly configured, such as frequency point identifier a1, frequency point identifier a2, and frequency point identifier a3.
  • the location information of the starting SR resource and the quantity information of the SR resource may be configured to indicate multiple SR resources to the terminal device.
  • the position information of the starting SR resource is frequency point 1 and the number of SR resources is 3, which may be 3 consecutive SR resources starting from frequency point 1 for SR transmission of the terminal device; the position of the starting SR resource
  • the information SSB_1 and the number of SR resources are 4, which may be 4 SR resources indicated by 4 consecutive spatial domain numbers starting from SSB_1 for SR transmission of the terminal device.
  • only the location information of the starting SR resource and the quantity information of the SR resources can be configured, that is, multiple SR resources can be indicated to the terminal device, the size of the configuration information can be reduced, and system resources can be saved.
  • a transmission method provided by an embodiment of the present disclosure includes the following steps:
  • Step 501 The network side configuration or protocol agrees on the SR resource configuration information sent by the SR.
  • the above SR resource configuration information may include multiple SR resource location information.
  • the SR resource location information may include at least one of the following:
  • the frequency domain information corresponding to the SR resource that is, the above-mentioned frequency domain information
  • the time domain information corresponding to the SR resource that is, the above-mentioned time domain information
  • the spatial domain information corresponding to the SR resource is the above-mentioned spatial domain information.
  • the frequency domain information corresponding to the SR resource may include at least one of the following:
  • Cell identity for example, Serving Cell_1;
  • Frequency point identification for example, 3.5GHz
  • Bandwidth identification for example, 20MHz;
  • BWP logo for example, BWP_1.
  • the time domain information corresponding to the SR resource may include at least one of the following:
  • Time interval for SR transmission for example, a time interval of 10ms from the start time of SR;
  • SR sending cycle for example, there is 1 SR sending resource every 2ms in the 10ms sending time interval;
  • the starting time position of the SR transmission for example, a time slot with a slot number of 1 is used as the starting position of the SR.
  • the spatial domain information corresponding to the SR resource may include at least one of the following:
  • the reference signal identifier corresponding to the SR resource for example, SSB_1;
  • the beam identifier corresponding to the SR resource for example, Beam_1.
  • the reference signal identifier corresponding to the SR resource may include at least one of the following:
  • the above SR resource configuration information may further include quantity information of SR resources, and the quantity information of SR resources may include at least one of the following:
  • the number of SR resources corresponding to the frequency domain for example, 3 consecutive SR resources starting from frequency point 1;
  • the number of SR resources corresponding to the time domain for example, 4 SR resources that are consecutive in time from the triggering moment of the SR;
  • the number of SR resources corresponding to the spatial domain for example, 4 SR resources indicated by 4 consecutive spatial domain numbers (eg, SSB_1 to SSB_4) starting from number 1 (eg, SSB_1).
  • Step 502 When triggering SR transmission, the UE monitors whether multiple SR resources indicated by the SR resource configuration information are in an idle state, and if there is a target SR resource in an idle state, the UE uses the target SR resource to send an SR.
  • the SR layer is instructed by the SR resource indicated by the SR resource configuration information to the PHY layer, and the PHY layer listens on the multiple SR resources. (Eg, frequency point 1 is not occupied), the PHY layer sends an SR on the SR resource, and for other SR resources indicated by the MAC layer this time, the PHY layer no longer sends the SR.
  • Step 503 If the SR transmission is successful, the UE generates an SR transmission success indication.
  • the PHY layer of the UE may send an SR transmission success indication to the MAC layer.
  • Step 504 If the SR transmission fails, the UE generates an SR transmission failure indication.
  • the PHY layer of the UE fails to successfully send an SR on one or more SR resources indicated by the MAC layer
  • the PHY layer instructs the MAC layer to send an SR failure indication.
  • the UE's SR prohibition timer processing for the SR process includes at least one of the following:
  • the MAC layer of the UE cannot trigger the sending of the SR, that is, the MAC layer of the UE cannot instruct the PHY layer to send the SR;
  • the MAC layer of the UE (that is, the terminal device) indicates the SR resources in the five time domains to the PHY layer.
  • the PHY layer of the UE successfully sends the SR on the first SR resource. 4 SR resources, the PHY layer of the UE no longer sends SRs, which can avoid repeated sending of SRs and save system resources.
  • the start condition of the SR prohibition sending timer may include any one of the following:
  • the UE sends an SR, for example, the PHY layer of the UE sends an SR;
  • the UE triggers the sending of the SR.
  • the MAC layer of the UE instructs the PHY layer to send the SR.
  • the stopping conditions of the SR prohibition sending timer may include:
  • the SR transmission of the UE fails.
  • the MAC layer of the UE receives an SR transmission failure indication sent by the PHY layer.
  • the processing of the SR transmission counter of the SR process by the UE may include at least one of the following:
  • the value of the SR transmission times counter is incremented by one.
  • the UE's SR transmission counter does not increase.
  • the MAC layer instructs SR resources in five time domains of the PHY layer to send SRs, but the PHY layer fails to send SRs in these five SR resources, so the value of the SR transmission counter of the MAC layer does not increase.
  • the terminal device may trigger a random access process when the value of the SR transmission counter reaches the threshold of the number of transmissions (ie, SR-TransMax).
  • an SR transmission failure counter (ie, SR_FAILURE_COUNTER) may be set for the SR process, where the SR transmission failure counter counts up for each SR transmission failure.
  • the initial value of SR_FAILURE_COUNTER is 0.
  • the processing behavior of the UE may include any one of the following:
  • the SR process is determined to fail.
  • the processing behavior when the SR process is determined to fail may be the same as the processing behavior when the value of the SR transmission times counter reaches the transmission times threshold, for example, triggering a random access process.
  • the UE can continuously monitor multiple SR resources (for example, different times, and / or different frequencies, and / or different beams). (For example, the SR can be sent after the LBT is detected.) Then, the UE can send the SR by using the SR resource, thereby reducing the probability of the SR process failure.
  • SR resources for example, different times, and / or different frequencies, and / or different beams.
  • FIG. 6 is a structural diagram of a terminal device according to an embodiment of the present disclosure. As shown in FIG. 6, the terminal device 600 includes:
  • the target SR resource is a SR resource in a transmittable state among the N SR resources, the N SR resources are SR resources indicated by the SR resource configuration information, and N is an integer greater than 1.
  • the SR resource configuration information includes SR resource location information
  • the SR resource location information includes at least one of frequency domain information, time domain information, and space domain information.
  • the frequency domain information includes at least one of the following: a cell identifier, a cell group identifier, a frequency point identifier, a bandwidth identifier, and a bandwidth part BWP identifier; and / or
  • the time domain information includes at least one of the following: a time interval sent by the SR, a period of the SR sending, and a starting time position of the SR sending; and / or
  • the spatial domain information includes at least one of the following: a reference signal identifier corresponding to the SR resource and a beam identifier corresponding to the SR resource.
  • the reference signal identifier corresponding to the SR resource includes at least one of the following:
  • the SR resource configuration information further includes quantity information of the SR resources, and the quantity information of the SR resources includes at least one of the following:
  • the number of SR resources corresponding to the spatial domain is the number of SR resources corresponding to the spatial domain.
  • the SR resource configuration information is configured by a network side or predefined by a protocol.
  • the terminal device further includes:
  • An instruction module configured to indicate that the SR fails to be sent when the terminal device fails to send the SR.
  • the terminal device further includes:
  • a startup module configured to start an SR disable timer after sending an SR by using the target SR resource
  • the prohibition module is configured to prohibit the physical PHY layer of the terminal device from sending an SR during the running of the SR prohibition timer.
  • the terminal device further includes an accumulation module, and the accumulation module is specifically configured to:
  • the value of the SR transmission times counter is incremented by 1;
  • the value of the SR transmission times counter is increased by N.
  • the terminal device 600 provided in the embodiment of the present disclosure can implement the processes implemented by the terminal device in the method embodiments of FIG. 3 and FIG. 5. To avoid repetition, details are not described herein again.
  • the terminal device 600 in the embodiment of the present disclosure includes a sending module 601 configured to send an SR by using a target scheduling request SR resource.
  • the target SR resource is a SR resource in a transmittable state among N SR resources, and the N SR
  • the resource is the SR resource indicated by the SR resource configuration information, and N is an integer greater than 1. Therefore, the probability of successful SR transmission can be increased, and the probability of SR transmission delay can be reduced.
  • FIG. 7 is a structural diagram of a network-side device according to an embodiment of the present disclosure. As shown in FIG. 7, the network-side device 700 includes:
  • the SR resource configuration information is used to indicate N SR resources used for SR transmission, and N is an integer greater than 1.
  • the SR resource configuration information includes SR resource location information
  • the SR resource location information includes at least one of frequency domain information, time domain information, and space domain information.
  • the frequency domain information includes at least one of the following: a cell identifier, a cell group identifier, a frequency point identifier, a bandwidth identifier, and a bandwidth part BWP identifier; and / or
  • the time domain information includes at least one of the following: a time interval sent by the SR, a period of the SR sending, and a starting time position of the SR sending; and / or
  • the spatial domain information includes at least one of the following: a reference signal identifier corresponding to the SR resource and a beam identifier corresponding to the SR resource.
  • the reference signal identifier corresponding to the SR resource includes at least one of the following:
  • the SR resource configuration information further includes quantity information of the SR resources, and the quantity information of the SR resources includes at least one of the following:
  • the number of SR resources corresponding to the spatial domain is the number of SR resources corresponding to the spatial domain.
  • the network-side device 700 provided in the embodiment of the present disclosure can implement the processes implemented by the network-side device in the method embodiments of FIG. 4 and FIG. 5. To avoid repetition, details are not described herein again.
  • the network-side device 700 in the embodiment of the present disclosure includes a sending module 701, configured to send scheduling request SR resource configuration information to a terminal device, where the SR resource configuration information is used to indicate N SR resources used for SR transmission, and N is An integer greater than 1. Therefore, the terminal device can send the SR based on the N SR resources, which can reduce the probability of SR transmission failure, and further reduce the probability of SR transmission delay.
  • a sending module 701 configured to send scheduling request SR resource configuration information to a terminal device, where the SR resource configuration information is used to indicate N SR resources used for SR transmission, and N is An integer greater than 1. Therefore, the terminal device can send the SR based on the N SR resources, which can reduce the probability of SR transmission failure, and further reduce the probability of SR transmission delay.
  • FIG. 8 is a structural diagram of another terminal device according to an embodiment of the present disclosure.
  • the terminal device 800 includes, but is not limited to, a radio frequency unit 801, a network module 802, an audio output unit 803, an input unit 804, a sensor 805, a display unit 806, a user input unit 807, an interface unit 808, a memory 809, and processing.
  • the terminal device may include more or fewer components than shown in the figure, or some components may be combined, or different components. Layout.
  • the terminal device includes, but is not limited to, a mobile phone, a tablet computer, a notebook computer, a palmtop computer, a car terminal, a wearable device, and a pedometer.
  • the processor 810 is configured to send an SR by using the target scheduling request SR resource;
  • the target SR resource is a SR resource in a transmittable state among the N SR resources, the N SR resources are SR resources indicated by the SR resource configuration information, and N is an integer greater than 1.
  • SR resources in a transmittable state among the N SR resources are used to transmit the SR, so that the probability of successful SR transmission can be increased, and the probability of SR transmission delay can be further reduced.
  • the SR resource configuration information includes SR resource location information
  • the SR resource location information includes at least one of frequency domain information, time domain information, and space domain information.
  • the frequency domain information includes at least one of the following: a cell identifier, a cell group identifier, a frequency point identifier, a bandwidth identifier, and a bandwidth part BWP identifier; and / or
  • the time domain information includes at least one of the following: a time interval sent by the SR, a period of the SR sending, and a starting time position of the SR sending; and / or
  • the spatial domain information includes at least one of the following: a reference signal identifier corresponding to the SR resource and a beam identifier corresponding to the SR resource.
  • the reference signal identifier corresponding to the SR resource includes at least one of the following:
  • the SR resource configuration information further includes quantity information of the SR resources, and the quantity information of the SR resources includes at least one of the following:
  • the number of SR resources corresponding to the spatial domain is the number of SR resources corresponding to the spatial domain.
  • the SR resource configuration information is configured by a network side or predefined by a protocol.
  • processor 810 is further configured to:
  • the terminal device When the terminal device fails to send the SR, it indicates that the SR transmission fails.
  • processor 810 is further configured to:
  • the physical PHY layer of the terminal device is prohibited from sending an SR.
  • processor 810 is further configured to:
  • the value of the SR transmission times counter is incremented by 1;
  • the value of the SR transmission times counter is increased by N.
  • the radio frequency unit 801 may be used to receive and send signals during the process of transmitting and receiving information or during a call. Specifically, the downlink data from the base station is received and processed by the processor 810; The uplink data is sent to the base station.
  • the radio frequency unit 801 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like.
  • the radio frequency unit 801 can also communicate with a network and other devices through a wireless communication system.
  • the terminal device provides users with wireless broadband Internet access through the network module 802, such as helping users to send and receive emails, browse web pages, and access streaming media.
  • the audio output unit 803 may convert audio data received by the radio frequency unit 801 or the network module 802 or stored in the memory 809 into audio signals and output them as sound. Moreover, the audio output unit 803 may also provide audio output (for example, call signal reception sound, message reception sound, etc.) related to a specific function performed by the terminal device 800.
  • the audio output unit 803 includes a speaker, a buzzer, a receiver, and the like.
  • the input unit 804 is used to receive audio or video signals.
  • the input unit 804 may include a graphics processing unit (GPU) 8041 and a microphone 8042.
  • the graphics processor 8041 pairs images of still pictures or videos obtained by an image capture device (such as a camera) in a video capture mode or an image capture mode Data is processed.
  • the processed image frame can be displayed on the display unit 806.
  • the image frames processed by the graphics processor 8041 may be stored in the memory 809 (or other storage medium) or transmitted via the radio frequency unit 801 or the network module 802.
  • the microphone 8042 can receive sound, and can process such sound into audio data.
  • the processed audio data can be converted into a format that can be transmitted to a mobile communication base station via the radio frequency unit 801 in the case of a telephone call mode.
  • the terminal device 800 further includes at least one sensor 805, such as a light sensor, a motion sensor, and other sensors.
  • the light sensor includes an ambient light sensor and a proximity sensor.
  • the ambient light sensor can adjust the brightness of the display panel 8061 according to the brightness of the ambient light.
  • the proximity sensor can close the display panel 8061 and the display panel 8061 when the terminal device 800 is moved to the ear. / Or backlight.
  • the accelerometer sensor can detect the magnitude of acceleration in various directions (usually three axes), and can detect the magnitude and direction of gravity when it is stationary, which can be used to identify the attitude of the terminal device (such as horizontal and vertical screen switching, related games , Magnetometer attitude calibration), vibration recognition related functions (such as pedometer, tap), etc .; sensor 805 can also include fingerprint sensor, pressure sensor, iris sensor, molecular sensor, gyroscope, barometer, hygrometer, thermometer, Infrared sensors, etc. are not repeated here.
  • the display unit 806 is configured to display information input by the user or information provided to the user.
  • the display unit 806 may include a display panel 8061, and the display panel 8061 may be configured in the form of a liquid crystal display (LCD), an organic light-emitting diode (OLED), or the like.
  • LCD liquid crystal display
  • OLED organic light-emitting diode
  • the user input unit 807 may be used to receive inputted numeric or character information, and generate key signal inputs related to user settings and function control of the terminal device.
  • the user input unit 807 includes a touch panel 8071 and other input devices 8072.
  • Touch panel 8071 also known as touch screen, can collect user's touch operations on or near it (such as the user using a finger, stylus, etc. any suitable object or accessory on touch panel 8071 or near touch panel 8071 operating).
  • the touch panel 8071 may include a touch detection device and a touch controller.
  • the touch detection device detects the user's touch position, and detects the signal caused by the touch operation, and transmits the signal to the touch controller; the touch controller receives touch information from the touch detection device, converts it into contact coordinates, and sends it
  • the processor 810 receives and executes a command sent by the processor 810.
  • various types such as resistive, capacitive, infrared, and surface acoustic wave can be used to implement the touch panel 8071.
  • the user input unit 807 may also include other input devices 8072.
  • other input devices 8072 may include, but are not limited to, a physical keyboard, function keys (such as volume control keys, switch keys, etc.), a trackball, a mouse, and a joystick, which are not described herein again.
  • the touch panel 8071 may be overlaid on the display panel 8061.
  • the touch panel 8071 detects a touch operation on or near the touch panel 8071, the touch panel 8071 transmits the touch operation to the processor 810 to determine the type of the touch event.
  • the type of event provides corresponding visual output on the display panel 8061.
  • the touch panel 8071 and the display panel 8061 are implemented as two separate components to implement the input and output functions of the terminal device, in some embodiments, the touch panel 8071 and the display panel 8061 can be integrated.
  • the implementation of the input and output functions of the terminal device is not specifically limited here.
  • the interface unit 808 is an interface for connecting an external device with the terminal device 800.
  • the external device may include a wired or wireless headset port, an external power (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device with an identification module, and audio input / output (I / O) port, video I / O port, headphone port, and more.
  • the interface unit 808 may be used to receive input (e.g., data information, power, etc.) from an external device and transmit the received input to one or more elements within the terminal device 800 or may be used to connect the terminal device 800 and an external device. Transfer data between devices.
  • the memory 809 may be used to store software programs and various data.
  • the memory 809 may mainly include a storage program area and a storage data area, where the storage program area may store an operating system, at least one function required application program (such as a sound playback function, an image playback function, etc.), etc .; Data (such as audio data, phone book, etc.) created by the use of mobile phones.
  • the memory 809 may include a high-speed random access memory, and may further include a non-volatile memory, such as at least one magnetic disk storage device, a flash memory device, or other volatile solid-state storage devices.
  • the processor 810 is a control center of the terminal device, and uses various interfaces and lines to connect various parts of the entire terminal device. By running or executing software programs and / or modules stored in the memory 809, and calling data stored in the memory 809, , To perform various functions of the terminal device and process data, so as to monitor the terminal device as a whole.
  • the processor 810 may include one or more processing units; preferably, the processor 810 may integrate an application processor and a modem processor, wherein the application processor mainly processes an operating system, a user interface, and an application program, etc.
  • the processor mainly handles wireless communication. It can be understood that the foregoing modem processor may not be integrated into the processor 810.
  • the terminal device 800 may further include a power source 811 (such as a battery) for supplying power to various components.
  • a power source 811 such as a battery
  • the power source 811 may be logically connected to the processor 810 through a power management system, so as to manage charging, discharging, and power consumption management through the power management system. And other functions.
  • the terminal device 800 includes some functional modules that are not shown, and details are not described herein again.
  • an embodiment of the present disclosure further provides a terminal device including a processor 810, a memory 809, and a computer program stored on the memory 809 and executable on the processor 810.
  • a terminal device including a processor 810, a memory 809, and a computer program stored on the memory 809 and executable on the processor 810.
  • the computer program is executed by the processor 810.
  • An embodiment of the present disclosure further provides a computer-readable storage medium.
  • a computer program is stored on the computer-readable storage medium.
  • the computer-readable storage medium is, for example, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk.
  • FIG. 9 is a structural diagram of another network-side device according to an embodiment of the present disclosure.
  • the network-side device may be a source node or a target node.
  • the network-side device 900 includes a processor 901, a memory 902, a bus interface 903, and a transceiver 904.
  • the processor 901, the memory 902, and the transceiver 904 are all connected to the bus interface 903.
  • the network-side device 900 further includes a computer program stored in the memory 902 and executable on the processor 901.
  • the computer program is executed by the processor 901, the following steps are implemented:
  • the SR resource configuration information is used to indicate N SR resources used for SR transmission, and N is an integer greater than 1.
  • the SR resource configuration information includes SR resource location information
  • the SR resource location information includes at least one of frequency domain information, time domain information, and space domain information.
  • the frequency domain information includes at least one of the following: a cell identifier, a cell group identifier, a frequency point identifier, a bandwidth identifier, and a bandwidth part BWP identifier; and / or
  • the time domain information includes at least one of the following: a time interval sent by the SR, a period of the SR sending, and a starting time position of the SR sending; and / or
  • the spatial domain information includes at least one of the following: a reference signal identifier corresponding to the SR resource and a beam identifier corresponding to the SR resource.
  • the reference signal identifier corresponding to the SR resource includes at least one of the following:
  • the SR resource configuration information further includes quantity information of the SR resources, and the quantity information of the SR resources includes at least one of the following:
  • the number of SR resources corresponding to the spatial domain is the number of SR resources corresponding to the spatial domain.
  • An embodiment of the present disclosure further provides a network-side device including a processor 901, a memory 902, and a computer program stored on the memory 902 and executable on the processor 901.
  • the computer program implements the foregoing when the processor 901 is executed
  • Each process of the transmission method embodiment can achieve the same technical effect. To avoid repetition, details are not described herein again.
  • An embodiment of the present disclosure further provides a computer-readable storage medium.
  • a computer program is stored on the computer-readable storage medium.
  • the computer-readable storage medium is, for example, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk.

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

Abstract

La présente invention concerne un procédé de transmission, un dispositif terminal et un dispositif côté réseau. Le procédé comprend : la transmission d'une demande de planification (SR) à l'aide d'une ressource de SR cible, la ressource de SR cible étant une ressource de SR qui est dans un état transmissible parmi N ressources de SR, les N ressources de SR étant des ressources de SR indiquées par des informations de configuration de ressources de SR, et N étant un nombre entier supérieur à 1.
PCT/CN2019/097058 2018-08-01 2019-07-22 Procédé de transmission, dispositif terminal et dispositif côté réseau WO2020024832A1 (fr)

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