WO2022040848A1 - Procédé et appareil de transmission d'informations ainsi que dispositif et support d'enregistrement - Google Patents

Procédé et appareil de transmission d'informations ainsi que dispositif et support d'enregistrement Download PDF

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Publication number
WO2022040848A1
WO2022040848A1 PCT/CN2020/110745 CN2020110745W WO2022040848A1 WO 2022040848 A1 WO2022040848 A1 WO 2022040848A1 CN 2020110745 W CN2020110745 W CN 2020110745W WO 2022040848 A1 WO2022040848 A1 WO 2022040848A1
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harq
uplink logical
uplink
logical channel
attribute
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PCT/CN2020/110745
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English (en)
Chinese (zh)
Inventor
胡奕
李海涛
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Oppo广东移动通信有限公司
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Priority to CN202080102256.7A priority Critical patent/CN115918219A/zh
Priority to PCT/CN2020/110745 priority patent/WO2022040848A1/fr
Publication of WO2022040848A1 publication Critical patent/WO2022040848A1/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

Definitions

  • the embodiments of the present application relate to the field of communications technologies, and in particular, to an information transmission method, apparatus, device, and storage medium.
  • 3GPP 3rd Generation Partnership Project, 3rd Generation Partnership Project
  • NTN Non Terrestrial Network, non-terrestrial communication network
  • 5G NR New Radio, new air interface
  • the NTN generally uses satellite communication to provide communication services to terrestrial users. Compared with the terrestrial cellular network communication system, the NTN system has many unique advantages. First of all, the NTN system is not limited by the user's area. Since a satellite can cover a large ground, and the satellite can orbit around the earth, theoretically every corner of the earth can be covered by the NTN system. Secondly, the NTN system has great social value. The NTN system can be covered at a low cost in remote mountainous areas, poor and backward countries or regions, so that people in these regions can enjoy advanced voice communication and mobile Internet technology. It is conducive to narrowing the digital divide with developed regions and promoting the development of these regions. Again, the NTN system has a long distance, and the communication cost does not increase significantly when the communication distance increases. Finally, the NTN system has high stability and is not limited by natural disasters.
  • 3GPP introduced some methods to reduce the information transmission delay in the process of standardizing the NTN technology. These methods of reducing the information transmission delay may affect the UE's uplink resource scheduling. Therefore, further discussion and research are needed for uplink resource scheduling.
  • Embodiments of the present application provide an information transmission method, apparatus, device, and storage medium.
  • the technical solution is as follows:
  • an embodiment of the present application provides an information transmission method, which is applied to a terminal device, and the method includes:
  • At least one uplink logical channel corresponding to the terminal device triggers a scheduling request, sending the scheduling request to the network device, where the scheduling request is used to request scheduling of uplink resources;
  • the uplink grant is used to carry the data to be transmitted on the uplink logical channel whose HARQ attribute is the first attribute, and the HARQ attribute includes enabling the HARQ function and disabling the HARQ function;
  • the first scheduling request refers to the scheduling request triggered by the uplink logical channel whose HARQ attribute is the first attribute.
  • an embodiment of the present application provides an information transmission method, which is applied to a terminal device, and the method includes:
  • At least one uplink logical channel in the first uplink logical channel group corresponding to the terminal device triggers a buffer status report, sending the buffer status report to the network device;
  • the buffer status report is used to indicate that the HARQ attribute in the first uplink logical channel group is the sum of the amount of data to be transmitted in the uplink logical channels whose HARQ attribute is to enable the HARQ function, and the HARQ attribute is to disable the HARQ function. The sum of the amount of data to be transmitted on the uplink logical channels.
  • an embodiment of the present application provides an information transmission method, which is applied to a network device, and the method includes:
  • configuration information includes at least one of the following:
  • Scheduling request configuration where the scheduling request configuration is used to configure the first timer corresponding to the scheduling request and/or the maximum number of transmissions of the scheduling request;
  • Uplink resource configuration where the uplink resource configuration is used to configure uplink resources for transmitting scheduling requests.
  • an embodiment of the present application provides an information transmission method, which is applied to a network device, and the method includes:
  • the buffer status report is used to indicate that the HARQ attribute of the first uplink logical channel group is the sum of the amount of data to be transmitted in the uplink logical channels whose HARQ function is enabled, and the HARQ attribute is HARQ disabled. The sum of the amount of data to be transmitted on the upstream logical channels of the function.
  • an embodiment of the present application provides an information transmission apparatus, which is set in a terminal device, and the apparatus includes:
  • a sending module configured to send the scheduling request to a network device when at least one uplink logical channel corresponding to the terminal device triggers a scheduling request, where the scheduling request is used to request scheduling of uplink resources;
  • a first receiving module configured to receive an uplink grant from the network device, where the uplink grant is used to carry the data to be transmitted of the uplink logical channel whose HARQ attribute is the first attribute, and the HARQ attribute includes enabling HARQ function and closing HARQ function;
  • a cancellation module configured to cancel a first scheduling request, where the first scheduling request refers to a scheduling request triggered by an uplink logical channel whose HARQ attribute is the first attribute.
  • an embodiment of the present application provides an information transmission apparatus, which is set in a terminal device, and the apparatus includes:
  • a report sending module configured to send the buffer status report to the network device when at least one uplink logical channel in the first uplink logical channel group corresponding to the terminal device triggers a buffer status report;
  • the buffer status report is used to indicate that the HARQ attribute in the first uplink logical channel group is the sum of the amount of data to be transmitted in the uplink logical channels whose HARQ attribute is to enable the HARQ function, and the HARQ attribute is to disable the HARQ function. The sum of the amount of data to be transmitted on the uplink logical channels.
  • an embodiment of the present application provides an information transmission apparatus, which is set in a network device, and the apparatus includes:
  • an information sending module configured to send configuration information to the terminal device, where the configuration information includes at least one of the following:
  • Scheduling request configuration where the scheduling request configuration is used to configure the first timer corresponding to the scheduling request and/or the maximum number of transmissions of the scheduling request;
  • Uplink resource configuration where the uplink resource configuration is used to configure uplink resources for transmitting scheduling requests.
  • an embodiment of the present application provides an information transmission apparatus, which is set in a network device, and the apparatus includes:
  • a report receiving module configured to receive a buffer status report from a terminal device for a first uplink logical channel group, where the first uplink logical channel group includes at least one uplink logical channel;
  • the buffer status report is used to indicate that the HARQ attribute of the first uplink logical channel group is the sum of the amount of data to be transmitted in the uplink logical channels whose HARQ function is enabled, and the HARQ attribute is HARQ disabled. The sum of the amount of data to be transmitted on the upstream logical channels of the function.
  • an embodiment of the present application provides a terminal device, where the terminal device includes: a processor, and a transceiver connected to the processor; wherein:
  • the transceiver configured to send the scheduling request to a network device when at least one uplink logical channel corresponding to the terminal device triggers a scheduling request, where the scheduling request is used to request scheduling of uplink resources;
  • the transceiver is configured to receive an uplink grant from the network device, where the uplink grant is used to carry the data to be transmitted of the uplink logical channel whose HARQ attribute is the first attribute, and the HARQ attribute includes enabling HARQ function and closing HARQ function;
  • the processor is configured to cancel a first scheduling request, where the first scheduling request refers to a scheduling request triggered by an uplink logical channel whose HARQ attribute is the first attribute.
  • an embodiment of the present application provides a terminal device, where the terminal device includes: a processor, and a transceiver connected to the processor; wherein:
  • the transceiver configured to send the buffer status report to the network device when at least one uplink logical channel in the first uplink logical channel group corresponding to the terminal device triggers the buffer status report;
  • the buffer status report is used to indicate that the HARQ attribute in the first uplink logical channel group is the sum of the amount of data to be transmitted in the uplink logical channels whose HARQ attribute is to enable the HARQ function, and the HARQ attribute is to disable the HARQ function. The sum of the amount of data to be transmitted on the uplink logical channels.
  • an embodiment of the present application provides a network device, where the network device includes: a processor, and a transceiver connected to the processor; wherein:
  • the transceiver is configured to send configuration information to the terminal device, where the configuration information includes at least one of the following:
  • Scheduling request configuration where the scheduling request configuration is used to configure the first timer corresponding to the scheduling request and/or the maximum number of transmissions of the scheduling request;
  • Uplink resource configuration where the uplink resource configuration is used to configure uplink resources for transmitting scheduling requests.
  • an embodiment of the present application provides a network device, where the network device includes: a processor, and a transceiver connected to the processor; wherein:
  • the transceiver configured to receive a buffer status report from a terminal device for a first uplink logical channel group, where the first uplink logical channel group includes at least one uplink logical channel;
  • the buffer status report is used to indicate that the HARQ attribute in the first uplink logical channel group is the sum of the amount of data to be transmitted on the uplink logical channels with the HARQ function enabled, and the HARQ attribute is the uplink logical channel with the HARQ function disabled. The sum of the amount of data to be transmitted.
  • an embodiment of the present application provides a computer-readable storage medium, where a computer program is stored in the storage medium, and the computer program is used to be executed by a processor of a terminal device, so as to realize the above-mentioned terminal device-side information transfer method.
  • an embodiment of the present application provides a computer-readable storage medium, where a computer program is stored in the storage medium, and the computer program is used to be executed by a processor of a network device, so as to realize the above-mentioned network device-side information transfer method.
  • an embodiment of the present application provides a chip, where the chip includes a programmable logic circuit and/or program instructions, and when the chip runs on a terminal device, it is used to implement the above-mentioned method for transmitting information on the terminal device side. .
  • an embodiment of the present application provides a chip, where the chip includes a programmable logic circuit and/or program instructions, and when the chip runs on a network device, it is used to implement the above-mentioned method for transmitting information on the network device side .
  • an embodiment of the present application provides a computer program product, which, when the computer program product runs on a terminal device, enables a computer to execute the above-mentioned method for transmitting information on the terminal device side.
  • an embodiment of the present application provides a computer program product, which, when the computer program product runs on a network device, enables a computer to execute the above method for transmitting information on the network device side.
  • the terminal device After receiving the uplink grant sent by the network device, the terminal device cancels the scheduling request triggered by the uplink logical channel of the HARQ attribute corresponding to the uplink grant.
  • this embodiment of the present application differentiates and cancels scheduling requests triggered by uplink logical channels with different HARQ attributes according to different HARQ attributes corresponding to uplink grants.
  • the embodiment of the present application ensures the QoS of the HARQ attribute corresponding to the uplink grant by canceling the scheduling request triggered by the uplink logical channel of the HARQ attribute corresponding to the uplink grant, while avoiding affecting the QoS of the HARQ attribute corresponding to the uplink grant.
  • the QoS of uplink logical channels with different HARQ attributes is beneficial for all uplink logical channels with different HARQ attributes to meet the QoS requirements.
  • FIG. 1 is a schematic diagram of a communication system provided by an embodiment of the present application.
  • FIG. 2 is a schematic diagram of a communication system provided by another embodiment of the present application.
  • FIG. 3 is a schematic diagram of a communication system provided by another embodiment of the present application.
  • 5 is a schematic diagram of uplink scheduling provided by an embodiment of the present application.
  • FIG. 6 is a flowchart of an information transmission method provided by another embodiment of the present application.
  • FIG. 8 is a schematic diagram of a cache status report provided by an embodiment of the present application.
  • FIG. 10 is a block diagram of an information transmission apparatus provided by an embodiment of the present application.
  • FIG. 11 is a block diagram of an information transmission apparatus provided by another embodiment of the present application.
  • FIG. 12 is a block diagram of an information transmission apparatus provided by still another embodiment of the present application.
  • FIG. 13 is a block diagram of an information transmission apparatus provided by another embodiment of the present application.
  • FIG. 14 is a block diagram of an information transmission apparatus provided by still another embodiment of the present application.
  • 15 is a block diagram of a terminal device provided by an embodiment of the present application.
  • FIG. 16 is a block diagram of a network device provided by an embodiment of the present application.
  • the network architecture and service scenarios described in the embodiments of the present application are for the purpose of illustrating the technical solutions of the embodiments of the present application more clearly, and do not constitute a limitation on the technical solutions provided by the embodiments of the present application.
  • the evolution of new business scenarios and the emergence of new business scenarios, the technical solutions provided in the embodiments of the present application are also applicable to similar technical problems.
  • FIG. 1 shows a schematic diagram of a communication system provided by an embodiment of the present application.
  • the communication system may include: a network device 10 and a terminal device 20 .
  • the network device 10 is a device for providing a wireless communication service for the terminal device 20 .
  • a connection can be established between the network device 10 and the terminal device 20 through an air interface, so as to perform communication through the connection, including the interaction of signaling and data.
  • the number of network devices 10 may be multiple, and communication between two adjacent network devices 10 may also be performed in a wired or wireless manner.
  • the terminal device 20 can switch between different network devices 10 , that is, establish connections with different network devices 10 .
  • the network device 10 in the NTN network may be a satellite 11 .
  • a satellite 11 can cover a certain range of ground areas and provide wireless communication services for terminal devices 20 on the ground areas.
  • the satellites 11 can orbit around the earth, and by arranging a plurality of satellites 11, communication coverage of different areas on the earth's surface can be achieved.
  • Satellite communication is not limited by the user's geographical area.
  • general terrestrial communication cannot cover areas such as oceans, mountains, deserts, etc. where communication equipment cannot be set up or cannot be covered due to sparse population.
  • satellite communication due to a single Satellites can cover a large ground, and satellites can orbit around the earth, so theoretically every corner of the earth can be covered by satellite communications.
  • satellite communication has great social value. Satellite communications can be covered at low cost in remote mountainous areas and poor and backward countries or regions, so that people in these regions can enjoy advanced voice communication and mobile Internet technologies, which is conducive to narrowing the digital divide with developed regions and promoting development in these areas.
  • the satellite communication distance is long, and the communication cost does not increase significantly when the communication distance increases; finally, the satellite communication has high stability and is not limited by natural disasters.
  • Communication satellites are classified into LEO (Low-Earth Orbit, low earth orbit) satellites, MEO (Medium-Earth Orbit, medium earth orbit) satellites, GEO (Geostationary Earth Orbit, geosynchronous orbit) satellites, HEO (High Earth orbit) satellites according to the different orbital altitudes. Elliptical Orbit, high elliptical orbit) satellites, etc.
  • LEO Low-Earth Orbit, low earth orbit
  • MEO Medium-Earth Orbit, medium earth orbit
  • GEO Global-Earth Orbit, geosynchronous orbit
  • HEO High Earth orbit
  • the altitude range of low-orbit satellites is 500km to 1500km, and the corresponding orbital period is about 1.5 hours to 2 hours.
  • the signal propagation delay of single-hop communication between users is generally less than 20ms.
  • the maximum satellite viewing time is 20 minutes.
  • the signal propagation distance is short, the link loss is small, and the transmit power requirements of the user terminal are not high.
  • the signal propagation delay of single-hop communication between users is generally 250ms.
  • satellites use multiple beams to cover the ground.
  • a satellite can form dozens or even hundreds of beams to cover the ground; a satellite beam can cover tens to hundreds of kilometers in diameter. ground area.
  • the network device 10 in the cellular communication network may be the base station 12 .
  • the base station 12 is a device deployed in an access network to provide a wireless communication function for the terminal device 20 .
  • Base stations 12 may include various forms of macro base stations, micro base stations, relay stations, access points, and the like.
  • the names of devices with network device functions may be different, for example, in a 5G NR (New Radio, new air interface) system, it is called gNodeB or gNB.
  • the name "base station” may change.
  • the above-mentioned apparatuses for providing a wireless communication function for the terminal device 20 are collectively referred to as network devices.
  • the terminal device 20 involved in the embodiments of the present application may include various handheld devices with wireless communication functions, vehicle-mounted devices, wearable devices, computing devices, or other processing devices connected to wireless modems, as well as various forms of user Equipment (User Equipment, UE), mobile station (Mobile Station, MS), terminal equipment (terminal device) and so on.
  • UE User Equipment
  • MS Mobile Station
  • terminal device terminal equipment
  • the technical solutions provided in the embodiments of the present application may be applicable to NTN systems or cellular network systems.
  • NR has a two-level retransmission mechanism: the HARQ (Hybrid Automatic Repeat Request) mechanism at the MAC (Medium Access Control) layer and the RLC (Radio Link Control, Radio Link Control) mechanism ) layer ARQ (Automatic Repeat Request, automatic repeat request) mechanism.
  • the HARQ mechanism of the MAC layer can provide fast retransmission; the ARQ mechanism of the RLC layer can provide reliable data transmission.
  • the retransmission of lost or erroneous data is mainly handled by the HARQ mechanism of the MAC layer, supplemented by the ARQ mechanism of the RLC layer.
  • the HARQ mechanism can use the Stop-and-Wait Protocol to send data.
  • the stop-and-wait protocol after the sender sends a TB (Transport Block), it stops and waits for the confirmation message. It is precisely because the sender stops and waits for acknowledgment after each transmission of a TB, resulting in low user throughput. Therefore, NR uses multiple parallel HARQ processes. When one HARQ process is waiting for acknowledgment information, the sender can use another HARQ process. A HARQ process continues to send data, and these parallel HARQ processes together form a HARQ entity.
  • the HARQ entity combines the stop-and-wait protocol to achieve the effect of continuous data transmission.
  • the HARQ includes uplink HARQ and downlink HARQ, wherein the uplink HARQ is for uplink data transmission; the downlink HARQ is for downlink data transmission, and the two are independent of each other.
  • Each serving cell corresponding to the terminal device has its own HARQ entity.
  • Each HARQ entity maintains a set of parallel downlink HARQ processes and a set of parallel uplink HARQ processes.
  • the maximum number of HARQ processes supported by each uplink and downlink carrier is 16.
  • the network device may actually determine the maximum number of HARQ processes in combination with network deployment conditions and the like.
  • the network device indicates the maximum number of HARQ processes to the terminal device through RRC (Radio Resource Control, radio resource control) signaling. In an example, if the network device does not provide the relevant configuration of the number of HARQ processes, the default (default) number of HARQ processes in downlink is 8, and the maximum number of HARQ processes supported by each uplink carrier is 16.
  • each HARQ process corresponds to a HARQ process ID.
  • the BCCH Broadcast Control Channel, broadcast control channel
  • Msg3 Message 3
  • HARQ is divided into synchronous HARQ and asynchronous HARQ; in the frequency domain, HARQ is divided into non-adaptive HARQ and adaptive HARQ.
  • the asynchronous HARQ refers to HARQ in which retransmission can occur at any time, that is, the time interval between the retransmission of the same TB and the previous transmission is not fixed.
  • Adaptive HARQ refers to the ability to change the frequency domain resources and MCS (Modulation and Coding Scheme, modulation and coding strategy) used for retransmission.
  • MCS Modulation and Coding Scheme, modulation and coding strategy
  • the asynchronous adaptive HARQ mechanism is used for both uplink and downlink transmission.
  • each downlink HARQ process simultaneously processes one TB; for a terminal device that supports downlink space division multiplexing, each downlink HARQ process simultaneously processes one or two TBs. TB.
  • each uplink HARQ process of the terminal device simultaneously processes 1 TB.
  • the terminal device sends a BSR (Buffer Status Report, buffer status report) to the network device, so that the network device knows the amount of upstream buffered data of the terminal device, so that the network device can perform uplink according to the amount of data provided by the terminal device. schedule.
  • the BSR adopts the way of packet reporting.
  • each uplink logical channel corresponds to an LCG (Logical Channel Group, logical channel group), and multiple uplink logical channels can correspond to the same LCG.
  • the correspondence between the LC and the LCG is configured by the network device through RRC signaling.
  • the terminal device reports the BSR based on the LCG.
  • each terminal device can support up to 8 LCGs.
  • the triggering condition of the BSR includes at least one of the following:
  • the padding (filling) part of the uplink resources allocated for the terminal equipment can carry the BSR MAC CE (Control Element, control unit) after carrying other uplink data, and in this case, the Padding BSR will be issued;
  • each of these logical channels triggers a separate Regular BSR.
  • the BSR is carried through the BSR MAC CE.
  • the terminal device applies to the network device for uplink resources through an SR (Scheduling Request, scheduling request).
  • SR Service Request, scheduling request.
  • the terminal device triggers Regular BSR, and the terminal device does not have uplink resources for transmitting new data (initial transmission), or, when the terminal device triggers Regular BSR, and the terminal device allocates If the uplink resource used to transmit new data (initial transmission) cannot carry the data to be transmitted on the uplink logical channel that triggers the Regular BSR, the terminal triggers the SR.
  • the network device can allocate periodic PUCCH (Physical Uplink Control Channel) for transmitting the SR to the terminal device. , physical uplink control channel) resources, and then the terminal device transmits SR on the allocated PUCCH resources, and the network device detects whether there is SR transmission on the allocated PUCCH resources.
  • periodic PUCCH Physical Uplink Control Channel
  • SR is based on logical channels.
  • the network device may choose whether to configure the PUCCH resource for transmitting the SR for the uplink logical channel.
  • the terminal device sends an SR on the PUCCH resource corresponding to the logical channel for transmitting an SR; Otherwise, the terminal device will initiate random access.
  • the network device may configure multiple PUCCH resources for transmitting the SR for the terminal device.
  • the network device For an uplink logical channel, if the network device configures the PUCCH resource for SR transmission for the uplink logical channel, on each uplink BWP (Bandwidth Part, working bandwidth), the network device configures at most one for the logical channel for PUCCH resource for transmitting SR.
  • each PUCCH resource used for transmitting SR corresponds to the following configuration parameters:
  • LogicalChannelIdentity logical channel identifier
  • SchedulingRequestId scheduling request identifier
  • SchedulingRequestResourceId scheduling request resource identifier
  • PUCCH-ResourceId uplink control channel resource identifier
  • Each LogicalChannelIdentity can indicate one or more SchedulingRequestId
  • Each SchedulingRequestResourceId can indicate one or more SchedulingRequestId
  • Each SchedulingRequestResourceId may indicate one or more PUCCH-ResourceIds.
  • 3GPP is discussing introducing the HARQ function to be disabled in the NTN standardization process to reduce the data transmission delay.
  • 3GPP has agreed:
  • the configuration of enabling/disabling the HARQ function can be performed based on the terminal equipment and based on the HARQ process;
  • the configuration of enabling/disabling the HARQ function can be performed based on the terminal device, based on the HARQ process, and based on the logical channel.
  • QoS Quality of Service
  • quality of service Quality of Service
  • some services are sensitive to delay, and some services have strict requirements on packet loss rate.
  • the HARQ process with the HARQ function disabled can be used for transmission, thereby reducing the transmission delay; for services with strict requirements on the packet loss rate, the HARQ process with the HARQ function enabled can be used for transmission, thereby improving transmission reliability. sex.
  • the network can accurately know the buffer (buffer) information of each logical channel, so it can perform downlink scheduling according to the data transmission requirements of each service combined with the QoS requirements.
  • the terminal equipment For uplink data transmission, the terminal equipment needs to let the network equipment know the buffer status of the terminal equipment side through the BSR.
  • the terminal equipment When a certain uplink logical channel of the terminal equipment triggers the regular BSR and there is no UL grant (uplink grant) available for initial transmission, the terminal equipment This upstream logical channel of the device will trigger SR.
  • each logical channel of the terminal device can trigger its own SR.
  • the terminal device receives a UL grant that is sufficient to accommodate all the data to be transmitted, it cancels all pending SRs (resolved SRs).
  • the embodiments of the present application provide an information transmission method, which can be used to enhance the SR mechanism and the BSR mechanism for the configuration method of enabling/disabling the HARQ function introduced in NTN, so as to assist the network device in enabling and disabling the HARQ function.
  • FIG. 4 shows a flowchart of an information transmission method provided by an embodiment of the present application.
  • the method can be applied to the communication systems shown in FIGS. 1 to 3 , and the method may include the following steps:
  • Step 410 In the case that at least one uplink logical channel corresponding to the terminal device triggers a scheduling request, the terminal device sends a scheduling request to the network device, and the scheduling request is used to request scheduling of uplink resources.
  • the network device is configured with at least one uplink logical channel for the terminal device.
  • the embodiment of this application does not limit the specific type of the uplink logical channel.
  • the uplink logical channel includes a CCCH (Common Control Channel, common control channel);
  • the channel includes DCCH (Dedicated Control Channel, dedicated control channel); or
  • the uplink logical channel includes DTCH (Dedicated Traffic Channel, dedicated traffic channel).
  • the scheduling request is used to request scheduling of uplink resources to transmit data to be transmitted on the uplink logical channel. It can be known from the above description that the scheduling request is based on the uplink logical channel, that is, the scheduling request is triggered by the uplink logical channel. This embodiment of the present application does not limit the specific triggering conditions of the scheduling request.
  • a regular buffer status report (regular BSR) is triggered on an uplink logical channel, and there is no uplink configured for the uplink logical channel for initial transmission.
  • the uplink logical channel triggers a scheduling request; or, when an uplink logical channel triggers a buffer status report, and the uplink resource configured for the uplink logical channel for initial transmission cannot carry the buffer status report, The uplink logical channel triggers a scheduling request.
  • the terminal device may send the scheduling request to the network device .
  • the terminal device can send the scheduling request triggered by the uplink logical channel to the network device only when the uplink logical channel is configured with uplink resources for transmitting the scheduling request.
  • the above step 410 includes: for the first uplink logical channel in the at least one uplink logical channel, when the first uplink logical channel is configured with uplink resources for transmitting the scheduling request, the terminal device sends the first uplink logical channel to the network device.
  • a scheduling request triggered by an uplink logical channel does not limit the uplink resource used for transmitting the scheduling request.
  • the uplink resource used for transmitting the scheduling request is a PUCCH resource.
  • Step 420 the network device sends an uplink grant to the terminal device, where the uplink grant is used to carry the data to be transmitted on the uplink logical channel whose HARQ attribute is the first attribute, and the HARQ attribute includes enabling the HARQ function and disabling the HARQ function.
  • the network device may send an uplink (UL, Uplink) grant to the terminal device to allocate uplink resources for transmitting data to be transmitted on the uplink logical channel for the terminal device.
  • the uplink resource includes an uplink RB (Resource Block, resource block).
  • the uplink grant sent by the network device to the terminal device is used to carry the data to be transmitted on the uplink logical channel whose HARQ attribute is the first attribute.
  • the HARQ attribute includes enabling the HARQ function and disabling the HARQ function.
  • the first attribute includes enabling the HARQ function or disabling the HARQ function.
  • Step 430 the terminal device cancels the first scheduling request, where the first scheduling request refers to a scheduling request triggered by an uplink logical channel whose HARQ attribute is the first attribute.
  • the terminal device After receiving the uplink grant, the terminal device can cancel the corresponding HARQ attribute uplink logical channel scheduling request according to the uplink grant, so as to prevent the terminal device from continuously sending scheduling requests triggered by the HARQ attribute uplink logical channel to the network device.
  • the uplink grant is used to carry the data to be transmitted on the uplink logical channel whose HARQ attribute is the first attribute.
  • the terminal device After receiving the uplink grant, the terminal device cancels the triggering of the uplink logical channel whose HARQ attribute is the first attribute. scheduling request.
  • the uplink grant indicates the HARQID of the uplink process used for PUSCH (Physical Uplink Share Channel) transmission. Since uplink processes with different HARQ IDs correspond to different HARQ attributes, the terminal device can Specify the HARQ attribute of the uplink logical channel corresponding to the data to be transmitted carried by the uplink grant. For example, if the uplink grant indicates that the HARQ attribute of the uplink process used for PUSCH transmission is the HARQ attribute enabled, the terminal device clarifies that the HARQ attribute of the uplink logical channel corresponding to the data to be transmitted carried by the uplink grant is the HARQ attribute enabled, and then the terminal device cancels the HARQ attribute.
  • the HARQ attribute is a scheduling request triggered by an uplink logical channel with the HARQ attribute enabled.
  • the embodiment of the present application distinguishes and cancels the scheduling request triggered by the uplink logical channel with different HARQ attributes according to the difference of the HARQ attributes corresponding to the uplink grant. Since different HARQ attributes correspond to different QoS requirements, the embodiment of the present application ensures the QoS of the HARQ attribute corresponding to the uplink grant by canceling the scheduling request triggered by the uplink logical channel of the HARQ attribute corresponding to the uplink grant, while avoiding affecting the QoS of the HARQ attribute corresponding to the uplink grant.
  • the QoS of uplink logical channels with different HARQ attributes is beneficial for all uplink logical channels with different HARQ attributes to meet the QoS requirements.
  • the above step 430 includes: canceling the first scheduling request in the case that the uplink authorization can carry the data to be transmitted on all uplink logical channels whose HARQ attribute is the first attribute. That is, when the terminal device receives an uplink grant, but the uplink grant cannot carry data to be transmitted on all uplink logical channels whose HARQ attribute is the first attribute, the terminal device does not cancel the first scheduling request.
  • the terminal device After the terminal device sends a scheduling request to the network device, it will start the timer corresponding to the scheduling request, and the transmission of the scheduling request is prohibited in the time period when the timer is activated, thereby preventing the terminal device from sending scheduling requests to the network device too frequently. ask. Therefore, when the terminal device cancels a scheduling request or after canceling the scheduling request, in order to avoid wasting the processing overhead of the terminal device, the terminal device may stop the timer corresponding to the scheduling request. Therefore, in an example, after the above step 420, the method further includes: stopping the first timer corresponding to the first scheduling request, where the first timer is used to indicate a time period during which transmission of the first scheduling request is prohibited.
  • the first timer is sr-ProhibitTimer (Scheduling Request Prohibit Timer).
  • the above-mentioned stopping the first timer corresponding to the first scheduling request includes: in the case that the uplink grant can carry data to be transmitted on all uplink logical channels whose HARQ attribute is the first attribute, stopping The first timer corresponding to the first scheduling request. That is, when the terminal device receives the uplink grant, but the uplink grant cannot carry the data to be transmitted on all uplink logical channels whose HARQ attribute is the first attribute, the terminal device does not stop the first timer corresponding to the first scheduling request. , so as to continue to send the first scheduling request to the network device.
  • the terminal device can send SR1 and SR2 to the network device.
  • the terminal device can start the prohibition timer sr-ProhibitTimer, and then after the sr-ProhibitTimer times out, the terminal device can send the SR to the network device again.
  • the terminal device receives the uplink authorization sent by the network device, the uplink authorization is used to carry the data to be transmitted of the uplink logical channel of "HARQ function is turned off", and the uplink authorization can carry the data to be transmitted of the LC 2, Therefore, the terminal device cancels SR2 and stops the sr-ProhibitTimer corresponding to SR2.
  • the terminal device when the terminal device receives an uplink grant, and the uplink grant can carry the data to be transmitted on all uplink logical channels whose HARQ attribute is the first attribute, the terminal device can cancel the HARQ attribute.
  • the scheduling request is triggered for the uplink logical channel of the first attribute, and the first timer corresponding to the scheduling request triggered by the uplink logical channel whose HARQ attribute is the first attribute is stopped.
  • the embodiments of the present application after receiving the uplink grant sent by the network device through the terminal device, cancel the scheduling request triggered by the uplink logical channel of the HARQ attribute corresponding to the uplink grant, compared with the related art.
  • the embodiment of the present application distinguishes and cancels the scheduling request triggered by the uplink logical channel with different HARQ attributes according to different HARQ attributes corresponding to the uplink grant.
  • the embodiment of the present application ensures the QoS of the HARQ attribute corresponding to the uplink grant by canceling the scheduling request triggered by the uplink logical channel of the HARQ attribute corresponding to the uplink grant, while avoiding affecting the QoS of the HARQ attribute corresponding to the uplink grant.
  • the QoS of uplink logical channels with different HARQ attributes is beneficial for all uplink logical channels with different HARQ attributes to meet the QoS requirements.
  • the terminal device after receiving the uplink grant sent by the network device, the terminal device stops the timer corresponding to the scheduling request triggered by the uplink logical channel of the HARQ attribute corresponding to the uplink grant. Since the terminal device starts a timer corresponding to the scheduling request after sending a scheduling request to the network device, the transmission of the scheduling request is prohibited in the time period when the timer is activated, thereby preventing the terminal device from sending scheduling requests to the network device too frequently. . Therefore, when the terminal device cancels the scheduling request or after canceling the scheduling request, the terminal device can stop the timer corresponding to the scheduling request to avoid wasting the processing overhead of the terminal device.
  • the network device can configure the terminal device with uplink resources for transmitting the scheduling request, and configure the related configuration of the scheduling request.
  • the following describes the configuration of the scheduling request, uplink resources, etc., by the network device for the terminal device.
  • the above method further includes: the network device sends configuration information to the terminal device, where the configuration information includes at least one of the following: scheduling request configuration and uplink resource configuration.
  • the network device can configure the scheduling request, uplink resources, etc. for the terminal device by sending configuration information to the terminal device.
  • the configuration information sent by the network device to the terminal device is carried in RRC signaling. This embodiment of the present application does not limit the specific content of the configuration information.
  • the configuration information includes scheduling request configuration and/or uplink resource configuration.
  • the scheduling request configuration is used to configure the first timer corresponding to the scheduling request and/or the maximum number of transmissions of the scheduling request.
  • the first timer is used to indicate the time period during which sending a certain scheduling request is prohibited.
  • the first timer is sr -ProhibitTimer; the maximum number of transmissions is used to indicate the maximum number of transmissions of a scheduling request, optionally, the maximum number of transmissions is sr-TransMax.
  • the uplink resource configuration is used to configure uplink resources for transmitting scheduling requests, and optionally, the uplink resources are PUCCH resources.
  • the network device In order to enable the network device to determine the HARQ attribute of the uplink logical channel that triggers the scheduling request according to the scheduling request after receiving the scheduling request, so as to subsequently allocate the uplink logical channel capable of carrying the HARQ attribute to the terminal device for the uplink of the data to be transmitted. Grant, in this embodiment of the present application, the network device configures different scheduling request configurations and/or different uplink resource configurations for uplink logical channels with different HARQ attributes. That is, uplink logical channels with different HARQ attributes correspond to different scheduling request configurations, and/or uplink logical channels with different HARQ attributes correspond to different uplink resource configurations.
  • different scheduling request configurations represent that the working duration of the first timer is different; or, different scheduling request configurations represent that the maximum number of transmissions is different. The same; or, different scheduling request configurations show that the working duration and the maximum number of transmissions of the first timer are different. For example, for an uplink logical channel with "HARQ function enabled”, configure a scheduling request with a maximum number of transmissions of 5 times; for an uplink logical channel with "HARQ function disabled”, configure a scheduling request with a maximum number of transmission times of 10 times.
  • the above configuration information further includes at least one of the following: process number configuration, used to configure the number of uplink HARQ processes supported by the terminal device; process attribute configuration, used to configure the attributes of the uplink HARQ process supported by the terminal device; channel attribute configuration , used to configure the HARQ attribute of each uplink logical channel; association configuration, used to configure the association between the scheduling request and the uplink resources, optionally, each scheduling request corresponds to at least one uplink resource used for transmitting the scheduling request .
  • the network device may select whether to configure an uplink resource for transmitting a scheduling request for the uplink logical channel.
  • the network device may configure a corresponding scheduling request configuration for the uplink logical channel, and the scheduling request is configured in each service of the terminal device.
  • Each uplink working bandwidth of the cell corresponds to one or more uplink resources for transmitting scheduling requests.
  • the network device configures the scheduling request and uplink resources for the terminal device, so as to ensure that when the uplink logical channel corresponding to the terminal device triggers the scheduling request, the network device can send the scheduling request to the network device. Schedule request.
  • the network device configures different scheduling requests and/or different uplink resources, so that after receiving the scheduling request, the network device determines to trigger the
  • the HARQ attribute of the uplink logical channel of the scheduling request is convenient for subsequently assigning to the terminal equipment the uplink grant of the to-be-transmitted data that can carry the uplink logical channel of the HARQ attribute, which is helpful for assisting the network equipment to better realize the uplink scheduling.
  • FIG. 6 shows a flowchart of an information transmission method provided by an embodiment of the present application.
  • the method can be applied to the communication systems shown in FIG. 1 to FIG. 3 , and the method may include the following steps:
  • Step 610 The network device sends configuration information to the terminal device, where the configuration information includes at least one of the following: scheduling request configuration and uplink resource configuration.
  • the scheduling request configuration is used to configure the first timer corresponding to the scheduling request and/or the maximum number of times of transmission of the scheduling request;
  • the uplink resource configuration is used to configure uplink resources for transmitting the scheduling request.
  • the configuration information sent by the network device to the terminal device is carried in RRC signaling.
  • Step 620 In the case that at least one uplink logical channel corresponding to the terminal device triggers a scheduling request, the terminal device sends a scheduling request to the network device.
  • the scheduling request is used to request scheduling of uplink resources to transmit data to be transmitted on the uplink logical channel.
  • the terminal device sends the first uplink logical channel trigger to the network device. Schedule request.
  • Step 630 The network device sends an uplink grant to the terminal device, where the uplink grant is used to carry the data to be transmitted on the uplink logical channel whose HARQ attribute is the first attribute.
  • the HARQ attribute includes enabling the HARQ function and disabling the HARQ function.
  • the first attribute includes enabling the HARQ function or disabling the HARQ function.
  • Step 640 the terminal device cancels the first scheduling request, where the first scheduling request refers to a scheduling request triggered by an uplink logical channel whose HARQ attribute is the first attribute.
  • the terminal device cancels the first scheduling request when the uplink grant is capable of carrying data to be transmitted on all uplink logical channels whose HARQ attribute is the first attribute.
  • Step 650 The terminal device stops a first timer corresponding to the first scheduling request, where the first timer is used to indicate a time period during which transmission of the first scheduling request is prohibited.
  • the uplink grant can carry the to-be-transmitted data of all uplink logical channels whose HARQ attribute is the first attribute, the first timer corresponding to the first scheduling request is stopped.
  • step 640 is executed before step 650; or, step 640 and step 650 are executed simultaneously.
  • FIG. 7 shows a flowchart of an information transmission method provided by an embodiment of the present application.
  • the method can be applied to the communication systems shown in FIG. 1 to FIG. 3.
  • the method may include the following steps:
  • Step 710 In the case where at least one uplink logical channel in the first uplink logical channel group corresponding to the terminal device triggers a buffer status report, the terminal device sends a buffer status report to the network device; wherein the buffer status report is used to indicate the first uplink logical channel.
  • the HARQ attribute in the channel group is the sum of the amount of data to be transmitted on the uplink logical channels with the HARQ function enabled, and the HARQ attribute is the sum of the amount of data to be transmitted on the uplink logical channels with the HARQ function disabled.
  • the terminal device sends a buffer status report to the network device, so that the network device knows the uplink buffer data volume of the terminal device, so that the network device can perform uplink scheduling according to the data volume provided by the terminal device.
  • the BSR adopts a packet reporting method.
  • each uplink logical channel corresponds to an uplink logical channel group, and multiple uplink logical channels may correspond to the same uplink logical channel group. That is, when a buffer status report is triggered for a certain uplink logical channel corresponding to the terminal device, the amount of data to be transmitted that is mapped to the uplink logical channel group corresponding to the uplink logical channel is sent to the network device.
  • the buffer status report sent by the terminal device to the network device is used to indicate the respective amounts of data to be transmitted on the uplink logical channels with different HARQ attributes in the uplink logical channel group.
  • the buffer status report is sent to the network device, and the buffer status report is used to indicate that the HARQ attribute in the first uplink logical channel group is the uplink with the HARQ function enabled.
  • the embodiment of the present application does not limit the specific content of the cache status report.
  • the following exemplarily shows several representations of the contents of the cache status report provided by the embodiment of the present application.
  • the buffer status report includes at least one of the following items: the sum of the amount of data to be transmitted on the uplink logical channels included in the first uplink logical channel group, and the uplink logical channel whose HARQ attribute in the first uplink logical channel group is to enable the HARQ function The sum of the amount of data to be transmitted by the channel.
  • the first uplink logical channel group includes two possible uplink logical channels with HARQ attributes, they are an uplink logical channel with the HARQ function enabled and an uplink logical channel with the HARQ function disabled. Therefore, as long as it is clear that the sum of the amount of data to be transmitted on the uplink logical channels included in the first uplink logical channel group, and the sum of the amount of data to be transmitted on the uplink logical channels whose HARQ attribute is enabled with the HARQ function in the first uplink logical channel group, that is, It can be clarified that the HARQ attribute in the first uplink logical channel group is the sum of the to-be-transmitted data volumes of the uplink logical channels with the HARQ function disabled.
  • the sum of the amount of data to be transmitted in the uplink logical channel group with the HARQ function disabled is equal to the sum of the amount of data to be transmitted in the uplink logical channel included in the first uplink logical channel group minus the amount of data to be transmitted in the uplink logical channel with the HARQ function enabled. The sum of the amount of data transferred.
  • the buffer status report includes the sum of the to-be-transmitted data volume of the uplink logical channel included in the first uplink logical channel group.
  • the sum of the amount of data to be transmitted on the uplink logical channels included in the first uplink logical channel group in the buffer status report is the amount of data to be transmitted on the uplink logical channel whose HARQ attribute is to disable the HARQ function.
  • the buffer status report includes at least one of the following items: the sum of the to-be-transmitted data volumes of the uplink logical channels included in the first uplink logical channel group, and the uplink whose HARQ attribute in the first uplink logical channel group is to disable the HARQ function. The sum of the amount of data to be transmitted for the logical channel.
  • the first uplink logical channel group includes two possible uplink logical channels with HARQ attributes, they are an uplink logical channel with the HARQ function enabled and an uplink logical channel with the HARQ function disabled. Therefore, as long as it is clear that the sum of the amount of data to be transmitted on the uplink logical channels included in the first uplink logical channel group, and the sum of the amount of data to be transmitted on the uplink logical channels whose HARQ attribute is the HARQ function disabled in the first uplink logical channel group, that is, It can be clarified that the HARQ attribute in the first uplink logical channel group is the sum of to-be-transmitted data volumes of uplink logical channels with the HARQ function enabled.
  • the sum of the amount of data to be transmitted in the uplink logical channel group with the HARQ function enabled is equal to the sum of the amount of data to be transmitted in the uplink logical channel included in the first uplink logical channel group minus the amount of data to be transmitted in the uplink logical channel with the HARQ function disabled. The sum of the amount of data transferred.
  • the buffer status report includes the sum of the to-be-transmitted data amount of the uplink logical channel included in the first uplink logical channel group. That is, in this case, the sum of the amount of data to be transmitted on the uplink logical channels included in the first uplink logical channel group in the buffer status report is the amount of data to be transmitted on the uplink logical channel whose HARQ attribute is HARQ enabled.
  • the buffer status report includes: the sum of the amount of data to be transmitted on the uplink logical channels whose HARQ attribute is to enable the HARQ function in the first uplink logical channel group, and the pending transmission of the uplink logical channels whose HARQ attribute is to disable the HARQ function The sum of the amount of data.
  • the first uplink logical channel group includes two possible uplink logical channels with HARQ attributes, which are an uplink logical channel with HARQ function enabled and an uplink logical channel with HARQ function disabled. Therefore, it is possible to directly indicate in the buffer status report the sum of the quantities to be transmitted corresponding to the uplink logical channels of the two HARQ attributes, which is more beneficial for the network device to quickly grasp the uplink logical channels of different HARQ attributes in the first logical channel group. The sum of the number of pending transfers.
  • the first uplink logical channel group is LCG 0, and the first uplink logical channel group includes four uplink logical channels, namely LC 1, LC 2, LC 3 and LC 4.
  • the HARQ attribute of LC 1 and LC 2 is to enable the HARQ function
  • the HARQ attribute of LC 3 and LC 4 is to disable the HARQ function.
  • the BSR sent by the terminal device to the network device may include: the sum of the amount of data to be transmitted of LC 1 and LC 2, and the sum of LC 3 and LC
  • the sum of the amount of data to be transmitted of 4 that is, the terminal device reports a BO (Buffer Occupy, buffer occupation) to the network device for uplink logical channels with different HARQ attributes.
  • the buffer status report is uploaded to the network device through the terminal device, and the buffer status report indicates the sum of the number of uplink logical channels with different HARQ attributes in the uplink logical channel group to be transmitted. , so that the network device can specify the amount of data to be transmitted on the uplink logical channels with different HARQ attributes in the uplink logical channel group, so that the subsequent network device can determine how to perform uplink scheduling according to the amount of data to be transmitted on the uplink logical channels with different HARQ attributes.
  • the uplink scheduling is performed on the auxiliary network equipment to ensure that the uplink scheduling of the network equipment matches the service transmission requirements of the terminal equipment, and the QoS requirements corresponding to different HARQ attributes are guaranteed.
  • FIG. 9 shows a flowchart of an information transmission method provided by an embodiment of the present application.
  • the method can be applied to the communication systems shown in FIG. 1 to FIG. 3.
  • the method may include the following steps:
  • Step 910 The network device sends configuration information to the terminal device, where the configuration information includes at least one of the following: process number configuration, process attribute configuration, channel attribute configuration, and channel group identification configuration.
  • the process number configuration is used to configure the number of uplink HARQ processes supported by the terminal device;
  • the process attribute configuration is used to configure the attributes of the uplink HARQ process supported by the terminal device;
  • the channel attribute configuration is used to configure the HARQ attributes of the uplink logical channel;
  • the channel group identifier configuration Used to configure the uplink logical channel group identifier corresponding to each uplink logical channel.
  • Step 920 In the case that at least one uplink logical channel in the first uplink logical channel group corresponding to the terminal device triggers a buffer status report, the terminal device sends a buffer status report to the network device.
  • the terminal device when the terminal device has an uplink grant available for initial transmission, and the uplink grant can be used to transmit a buffer status report, the terminal device sends a buffer status report to the network device.
  • the buffer status report is used to indicate the sum of the amount of data to be transmitted on the uplink logical channels whose HARQ attribute is enabled with the HARQ function in the first uplink logical channel group, and the sum of the amount of data to be transmitted on the uplink logical channel whose HARQ attribute is the HARQ function disabled.
  • the content included in the above cache status report includes the following methods:
  • the buffer status report includes at least one of the following items: the sum of the amount of data to be transmitted on the uplink logical channels included in the first uplink logical channel group, and the HARQ attribute in the first uplink logical channel group of the uplink logical channels whose HARQ function is enabled. The sum of the amount of data to be transmitted.
  • the buffer status report includes at least one of the following: the sum of the amount of data to be transmitted on the uplink logical channels included in the first uplink logical channel group, and the HARQ attribute of the uplink logical channel whose HARQ attribute in the first uplink logical channel group is to disable the HARQ function. The sum of the amount of data to be transmitted.
  • the buffer status report includes: the HARQ attribute in the first uplink logical channel group is the sum of the amount of data to be transmitted on the uplink logical channels whose HARQ attribute is enabled with the HARQ function, and the sum of the amount of data to be transmitted on the uplink logical channel whose HARQ attribute is the HARQ function disabled. and.
  • the information transmission method provided by the present application is introduced and explained mainly from the perspective of interaction between a terminal device and a network device.
  • the above-mentioned steps performed by the relevant terminal equipment can be independently implemented as a terminal equipment-side information transmission method; the above-mentioned relevant steps performed by the network equipment can be independently implemented as a network equipment-side information transmission method.
  • FIG. 10 shows a block diagram of an information transmission apparatus provided by an embodiment of the present application.
  • the apparatus has the function of implementing the above-mentioned method example on the terminal device side, and the function may be implemented by hardware or by executing corresponding software in hardware.
  • the apparatus may be the terminal equipment described above, or may be set in the terminal equipment.
  • the apparatus 1000 may include: a sending module 1010 , a first receiving module 1020 and a canceling module 1030 .
  • the sending module 1010 is configured to send the scheduling request to a network device when at least one uplink logical channel corresponding to the terminal device triggers a scheduling request, where the scheduling request is used to request scheduling of uplink resources.
  • the first receiving module 1020 is configured to receive an uplink grant from the network device, where the uplink grant is used to carry data to be transmitted on an uplink logical channel whose HARQ attribute is the first attribute, where the HARQ attribute includes enabling the HARQ function and Disable HARQ function.
  • a canceling module 1030 configured to cancel a first scheduling request, where the first scheduling request refers to a scheduling request triggered by an uplink logical channel whose HARQ attribute is the first attribute.
  • the canceling module 1030 is further configured to cancel the first scheduling request in a case that the uplink grant can carry data to be transmitted on all uplink logical channels whose HARQ attribute is the first attribute.
  • the apparatus 1000 further includes: a stopping module 1040, configured to stop a first timer corresponding to the first scheduling request, where the first timer is used to indicate that transmission of the The time period for the first scheduling request.
  • a stopping module 1040 configured to stop a first timer corresponding to the first scheduling request, where the first timer is used to indicate that transmission of the The time period for the first scheduling request.
  • the stopping module is further configured to: in the case that the uplink grant can carry the to-be-transmitted data of all uplink logical channels whose HARQ attribute is the first attribute, Stop the first timer corresponding to the first scheduling request.
  • the sending module 1010 is further configured to: for the first uplink logical channel in the at least one uplink logical channel, when the first uplink logical channel is configured with uplink resources for transmitting scheduling requests Next, a scheduling request triggered by the first uplink logical channel is sent to the network device.
  • the apparatus 1000 further includes: a second receiving module 1050, configured to receive configuration information from the network device, where the configuration information includes at least one of the following: scheduling request configuration 1060, the scheduling request configuration is used to configure a first timer corresponding to the scheduling request and/or the maximum number of transmissions of the scheduling request; and uplink resource configuration 1070, the uplink resource configuration is used to configure uplink resources for transmitting the scheduling request.
  • the configuration information includes at least one of the following: scheduling request configuration 1060, the scheduling request configuration is used to configure a first timer corresponding to the scheduling request and/or the maximum number of transmissions of the scheduling request; and uplink resource configuration 1070, the uplink resource configuration is used to configure uplink resources for transmitting the scheduling request.
  • the uplink logical channels with different HARQ attributes correspond to different scheduling request configurations.
  • the uplink logical channels with different HARQ attributes correspond to different uplink resource configurations.
  • the embodiments of the present application after receiving the uplink grant sent by the network device through the terminal device, cancel the scheduling request triggered by the uplink logical channel of the HARQ attribute corresponding to the uplink grant, compared with the related art.
  • the embodiment of the present application distinguishes and cancels the scheduling request triggered by the uplink logical channel with different HARQ attributes according to different HARQ attributes corresponding to the uplink grant.
  • the embodiment of the present application ensures the QoS of the HARQ attribute corresponding to the uplink grant by canceling the scheduling request triggered by the uplink logical channel of the HARQ attribute corresponding to the uplink grant, while avoiding affecting the QoS of the HARQ attribute corresponding to the uplink grant.
  • the QoS of uplink logical channels with different HARQ attributes is beneficial for all uplink logical channels with different HARQ attributes to meet the QoS requirements.
  • FIG. 12 shows a block diagram of an information transmission apparatus provided by an embodiment of the present application.
  • the apparatus has the function of implementing the above-mentioned method example on the terminal device side, and the function may be implemented by hardware or by executing corresponding software in hardware.
  • the apparatus may be the above-mentioned terminal equipment, or may be set in the terminal equipment.
  • the apparatus 1200 may include: a report sending module 1210 .
  • a report sending module 1210 configured to send the buffer status report to the network device when at least one uplink logical channel in the first uplink logical channel group corresponding to the terminal device triggers a buffer status report; wherein the buffer status The report is used to indicate that the HARQ attribute in the first uplink logical channel group is the sum of the amount of data to be transmitted on the uplink logical channels whose HARQ attribute is enabled with the HARQ function, and the sum of the amount of data to be transmitted on the uplink logical channel whose HARQ attribute is the HARQ function disabled.
  • the buffer status report includes at least one of the following items: the sum of the amount of data to be transmitted on the uplink logical channels included in the first uplink logical channel group, and the HARQ in the first uplink logical channel group
  • the attribute is the sum of the to-be-transmitted data volume of the uplink logical channel with the HARQ function enabled.
  • the buffer status report includes the first uplink logical channel The sum of the amount of data to be transmitted on the uplink logical channels included in the group.
  • the buffer status report includes at least one of the following items: the sum of the amount of data to be transmitted on the uplink logical channels included in the first uplink logical channel group, and the HARQ in the first uplink logical channel group
  • the attribute is the sum of the to-be-transmitted data volume of the uplink logical channel with the HARQ function disabled.
  • the buffer status report includes the first uplink logical channel The sum of the amount of data to be transmitted on the uplink logical channels included in the group.
  • the buffer status report includes at least one of the following: the HARQ attribute in the first uplink logical channel group is the sum of the amount of data to be transmitted on the uplink logical channels with the HARQ function enabled, and the The HARQ attribute is the sum of the amount of data to be transmitted on the uplink logical channel with the HARQ function disabled.
  • the buffer status report is uploaded to the network device through the terminal device, and the buffer status report indicates the sum of the number of uplink logical channels with different HARQ attributes in the uplink logical channel group to be transmitted. , so that the network device can specify the amount of data to be transmitted on the uplink logical channels with different HARQ attributes in the uplink logical channel group, so that the subsequent network device can determine how to perform uplink scheduling according to the amount of data to be transmitted on the uplink logical channels with different HARQ attributes.
  • the uplink scheduling is performed on the auxiliary network equipment to ensure that the uplink scheduling of the network equipment matches the service transmission requirements of the terminal equipment, and the QoS requirements corresponding to different HARQ attributes are guaranteed.
  • FIG. 13 shows a block diagram of an information transmission apparatus provided by an embodiment of the present application.
  • the apparatus has the function of implementing the foregoing method example on the network device side, and the function may be implemented by hardware, or by executing corresponding software in hardware.
  • the apparatus may be the network device described above, or may be set in the network device.
  • the apparatus 1300 may include: an information sending module 1310 .
  • An information sending module 1310 configured to send configuration information to the terminal device, where the configuration information includes at least one of the following: a scheduling request configuration, where the scheduling request configuration is used to configure the first timer corresponding to the scheduling request and/or the scheduling request Maximum number of transmissions; uplink resource configuration, where the uplink resource configuration is used to configure uplink resources for transmitting scheduling requests.
  • uplink logical channels with different HARQ attributes correspond to different scheduling request configurations
  • the HARQ attributes include enabling the HARQ function and disabling the HARQ function.
  • uplink logical channels with different HARQ attributes correspond to different uplink resource configurations
  • the HARQ attributes include enabling the HARQ function and disabling the HARQ function.
  • the network device configures the scheduling request and uplink resources for the terminal device, so as to ensure that when the uplink logical channel corresponding to the terminal device triggers the scheduling request, the network device can send the scheduling request to the network device. Schedule request.
  • the network device configures different scheduling requests and/or different uplink resources, so that after receiving the scheduling request, the network device determines to trigger the
  • the HARQ attribute of the uplink logical channel of the scheduling request is convenient for subsequently assigning to the terminal equipment the uplink grant of the to-be-transmitted data that can carry the uplink logical channel of the HARQ attribute, which is helpful for assisting the network equipment to better realize the uplink scheduling.
  • FIG. 14 shows a block diagram of an information transmission apparatus provided by an embodiment of the present application.
  • the apparatus has the function of implementing the foregoing method example on the network device side, and the function may be implemented by hardware, or by executing corresponding software in hardware.
  • the apparatus may be the network device described above, or may be set in the network device.
  • the apparatus 1400 may include:
  • the report receiving module 1410 is configured to receive a buffer status report from the terminal device for a first uplink logical channel group, where the first uplink logical channel group includes at least one uplink logical channel; wherein the buffer status report is used to indicate the
  • the HARQ attribute in the first uplink logical channel group is the sum of the amount of data to be transmitted on the uplink logical channels with the HARQ function enabled, and the HARQ attribute is the sum of the amount of data to be transmitted on the uplink logical channels with the HARQ function disabled.
  • the buffer status report includes at least one of the following items: the sum of the amount of data to be transmitted on the uplink logical channels included in the first uplink logical channel group, and the HARQ in the first uplink logical channel group
  • the attribute is the sum of the to-be-transmitted data volume of the uplink logical channel with the HARQ function enabled.
  • the buffer status report includes the first uplink logical channel The sum of the amount of data to be transmitted in the uplink logical channels included in the group.
  • the buffer status report includes at least one of the following items: the sum of the amount of data to be transmitted on the uplink logical channels included in the first uplink logical channel group, and the HARQ in the first uplink logical channel group
  • the attribute is the sum of the to-be-transmitted data volume of the uplink logical channel with the HARQ function disabled.
  • the buffer status report includes the first uplink logical channel The sum of the amount of data to be transmitted on the uplink logical channels included in the group.
  • the buffer status report includes at least one of the following: the HARQ attribute in the first uplink logical channel group is the sum of the amount of data to be transmitted on the uplink logical channels with the HARQ function enabled, and the The HARQ attribute is the sum of the amount of data to be transmitted on the uplink logical channel with the HARQ function disabled.
  • the buffer status report is uploaded to the network device through the terminal device, and the buffer status report indicates the sum of the number of uplink logical channels with different HARQ attributes in the uplink logical channel group to be transmitted. , so that the network device can specify the amount of data to be transmitted on the uplink logical channels with different HARQ attributes in the uplink logical channel group, so that the subsequent network device can determine how to perform uplink scheduling according to the amount of data to be transmitted on the uplink logical channels with different HARQ attributes.
  • the uplink scheduling is performed on the auxiliary network equipment to ensure that the uplink scheduling of the network equipment matches the service transmission requirements of the terminal equipment, and the QoS requirements corresponding to different HARQ attributes are guaranteed.
  • the device provided in the above embodiment realizes its functions, only the division of the above functional modules is used as an example for illustration. In practical applications, the above functions can be allocated to different functional modules according to actual needs. That is, the content structure of the device is divided into different functional modules to complete all or part of the functions described above.
  • FIG. 15 shows a schematic structural diagram of a terminal device 150 provided by an embodiment of the present application.
  • the terminal device can be used to execute the above-mentioned terminal device-side information transmission method.
  • the terminal device 150 may include: a processor 151, and a transceiver 152 connected to the processor 151; wherein:
  • the processor 151 includes one or more processing cores, and the processor 151 executes various functional applications and information processing by running software programs and modules.
  • Transceiver 152 includes a receiver and a transmitter.
  • transceiver 152 is a communication chip.
  • the terminal device 150 further includes: a memory and a bus.
  • the memory is connected to the processor through a bus.
  • the memory can be used to store a computer program, and the processor is used to execute the computer program, so as to implement various steps performed by the terminal device in the above method embodiments.
  • volatile or non-volatile storage devices include but are not limited to: RAM (Random-Access Memory, random access memory) and ROM (Read-Only Memory), EPROM (Erasable Programmable Read-Only Memory, Erasable Programmable Read-Only Memory), EEPROM (Electrically Erasable Programmable Read-Only Memory, Electrically Erasable Programmable Read-Only Memory) ), flash memory or other solid-state storage technology, CD-ROM (Compact Disc Read-Only Memory), DVD (Digital Video Disc, high-density digital video disc) or other optical storage, tape cassettes, tapes, disk storage or other magnetic storage devices.
  • RAM Random-Access Memory
  • ROM Read-Only Memory
  • EPROM Erasable Programmable Read-Only Memory
  • EEPROM Electrically Erasable Programmable Read-Only Memory
  • flash memory or other solid-state storage technology
  • CD-ROM Compact Disc Read-Only Memory
  • DVD Digital Video Disc, high-density digital video disc
  • the transceiver 152 is configured to send the scheduling request to the network device when at least one uplink logical channel corresponding to the terminal device triggers a scheduling request, where the scheduling request is used to request scheduling of uplink resources.
  • the transceiver 152 is configured to receive an uplink grant from the network device, where the uplink grant is used to carry data to be transmitted on an uplink logical channel whose HARQ attribute is the first attribute, and the HARQ attribute includes enabling the HARQ function and Disable HARQ function.
  • the processor 151 is configured to cancel a first scheduling request, where the first scheduling request refers to a scheduling request triggered by an uplink logical channel whose HARQ attribute is the first attribute.
  • the processor 151 is configured to: cancel the first scheduling in the case that the uplink grant can carry data to be transmitted on all uplink logical channels whose HARQ attribute is the first attribute ask.
  • the processor 151 is configured to: stop a first timer corresponding to the first scheduling request, where the first timer is used to indicate a time period during which transmission of the first scheduling request is prohibited.
  • the processor 151 is configured to: stop the first scheduling in the case that the uplink grant can carry data to be transmitted on all uplink logical channels whose HARQ attribute is the first attribute The corresponding first timer is requested.
  • the processor 151 is configured to: for the first uplink logical channel in the at least one uplink logical channel, in the case that the first uplink logical channel is configured with uplink resources for transmitting scheduling requests , sending a scheduling request triggered by the first uplink logical channel to the network device.
  • the transceiver is configured to receive configuration information from the network device, where the configuration information includes at least one of the following: a scheduling request configuration, where the scheduling request configuration is used to configure the first A timer and/or the maximum number of transmissions of the scheduling request; uplink resource configuration, where the uplink resource configuration is used to configure uplink resources for transmitting the scheduling request.
  • a scheduling request configuration where the scheduling request configuration is used to configure the first A timer and/or the maximum number of transmissions of the scheduling request
  • uplink resource configuration where the uplink resource configuration is used to configure uplink resources for transmitting the scheduling request.
  • the uplink logical channels with different HARQ attributes correspond to different scheduling request configurations.
  • the uplink logical channels with different HARQ attributes correspond to different uplink resource configurations.
  • the transceiver 152 is configured to send the buffer status report to the network device when at least one uplink logical channel in the first uplink logical channel group corresponding to the terminal device triggers the buffer status report; wherein the buffer The status report is used to indicate the sum of the amount of data to be transmitted on the uplink logical channels whose HARQ attribute is to enable the HARQ function in the first uplink logical channel group, and the amount of data to be transmitted for the uplink logical channel whose HARQ attribute is to disable the HARQ function Sum.
  • the buffer status report includes at least one of the following items: the sum of the amount of data to be transmitted on the uplink logical channels included in the first uplink logical channel group, and the HARQ in the first uplink logical channel group
  • the attribute is the sum of the to-be-transmitted data volume of the uplink logical channel with the HARQ function enabled.
  • the buffer status report includes the first uplink logical channel The sum of the amount of data to be transmitted on the uplink logical channels included in the group.
  • the buffer status report includes at least one of the following items: the sum of the amount of data to be transmitted on the uplink logical channels included in the first uplink logical channel group, and the HARQ in the first uplink logical channel group
  • the attribute is the sum of the to-be-transmitted data volume of the uplink logical channel with the HARQ function disabled.
  • the buffer status report includes the first uplink logical channel The sum of the amount of data to be transmitted on the uplink logical channels included in the group.
  • the buffer status report includes at least one of the following: the HARQ attribute in the first uplink logical channel group is the sum of the amount of data to be transmitted on the uplink logical channels with the HARQ function enabled, and the The HARQ attribute is the sum of the amount of data to be transmitted on the uplink logical channel with the HARQ function disabled.
  • FIG. 16 shows a schematic structural diagram of a network device 160 provided by an embodiment of the present application.
  • the network device can be used to execute the above-mentioned network device-side information transmission method.
  • the network device 160 may include: a processor 161, and a transceiver 162 connected to the processor 161; wherein:
  • the processor 161 includes one or more processing cores, and the processor 161 executes various functional applications and information processing by running software programs and modules.
  • Transceiver 162 includes a receiver and a transmitter.
  • transceiver 162 is a communication chip.
  • the network device 160 also includes: memory and a bus.
  • the memory is connected to the processor through a bus.
  • the memory can be used to store a computer program, and the processor is used to execute the computer program, so as to implement various steps performed by the network device in the above method embodiments.
  • the memory may be implemented by any type or combination of volatile or non-volatile storage devices including, but not limited to: RAM and ROM, EPROM, EEPROM, flash memory or other Solid-state storage technology, CD-ROM, DVD or other optical storage, tape cartridges, magnetic tape, magnetic disk storage or other magnetic storage devices.
  • volatile or non-volatile storage devices including, but not limited to: RAM and ROM, EPROM, EEPROM, flash memory or other Solid-state storage technology, CD-ROM, DVD or other optical storage, tape cartridges, magnetic tape, magnetic disk storage or other magnetic storage devices.
  • the transceiver 162 is configured to send configuration information to the terminal device, where the configuration information includes at least one of the following: a scheduling request configuration, where the scheduling request configuration is used to configure a first timer and/or a scheduling request corresponding to the scheduling request The maximum number of transmissions; uplink resource configuration, where the uplink resource configuration is used to configure uplink resources for transmitting scheduling requests.
  • uplink logical channels with different HARQ attributes correspond to different scheduling request configurations
  • the HARQ attributes include enabling the HARQ function and disabling the HARQ function.
  • uplink logical channels with different HARQ attributes correspond to different uplink resource configurations
  • the HARQ attributes include enabling the HARQ function and disabling the HARQ function.
  • the transceiver 162 is configured to receive a buffer status report from a terminal device for a first uplink logical channel group, where the first uplink logical channel group includes at least one uplink logical channel; wherein the buffer status report is used to indicate
  • the HARQ attribute in the first uplink logical channel group is the sum of the amount of data to be transmitted on the uplink logical channels with the HARQ function enabled, and the HARQ attribute is the sum of the amount of data to be transmitted on the uplink logical channels with the HARQ function disabled.
  • the buffer status report includes at least one of the following items: the sum of the amount of data to be transmitted on the uplink logical channels included in the first uplink logical channel group, and the HARQ in the first uplink logical channel group
  • the attribute is the sum of the to-be-transmitted data volume of the uplink logical channel with the HARQ function enabled.
  • the buffer status report includes the first uplink logical channel The sum of the amount of data to be transmitted in the uplink logical channels included in the group.
  • the buffer status report includes at least one of the following items: the sum of the amount of data to be transmitted on the uplink logical channels included in the first uplink logical channel group, and the HARQ in the first uplink logical channel group
  • the attribute is the sum of the to-be-transmitted data volume of the uplink logical channel with the HARQ function disabled.
  • the buffer status report includes the first uplink logical channel The sum of the amount of data to be transmitted on the uplink logical channels included in the group.
  • the buffer status report includes at least one of the following: the HARQ attribute in the first uplink logical channel group is the sum of the amount of data to be transmitted on the uplink logical channels with the HARQ function enabled, and the The HARQ attribute is the sum of the amount of data to be transmitted on the uplink logical channel with the HARQ function disabled.
  • Embodiments of the present application further provide a computer-readable storage medium, where a computer program is stored in the storage medium, and the computer program is used to be executed by a processor of a terminal device, so as to implement the above-mentioned method for transmitting information on the terminal device side.
  • Embodiments of the present application further provide a computer-readable storage medium, where a computer program is stored in the storage medium, and the computer program is configured to be executed by a processor of a network device, so as to implement the foregoing method for information transmission on the network device side.
  • Embodiments of the present application further provide a chip, where the chip includes a programmable logic circuit and/or program instructions, and when the chip runs on a terminal device, it is used to implement the above-mentioned method for transmitting information on the terminal device side.
  • Embodiments of the present application further provide a chip, where the chip includes a programmable logic circuit and/or program instructions, and when the chip runs on a network device, it is used to implement the above method for transmitting information on the network device side.
  • the embodiments of the present application also provide a computer program product, which, when the computer program product runs on the terminal device, enables the computer to execute the above-mentioned method for transmitting information on the terminal device side.
  • the embodiments of the present application also provide a computer program product, which, when the computer program product runs on a network device, enables the computer to execute the above-mentioned method for transmitting information on the network device side.
  • Computer-readable media includes both computer storage media and communication media including any medium that facilitates transfer of a computer program from one place to another.
  • a storage medium can be any available medium that can be accessed by a general purpose or special purpose computer.

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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 et un appareil de transmission d'informations ainsi qu'un dispositif et un support d'enregistrement, qui se rapportent au domaine technique des communications. Le procédé consiste à : dans la mesure où au moins un canal logique de liaison montante correspondant à un dispositif terminal déclenche une demande de planification, envoyer, par le dispositif terminal, la demande de planification à un dispositif de réseau, la demande de planification étant utilisée pour demander la planification de ressources de liaison montante ; envoyer, par le dispositif de réseau, une autorisation de liaison montante au dispositif terminal, l'autorisation de liaison montante étant utilisée pour transporter des données à transmettre d'un canal logique de liaison montante, dont l'attribut de HARQ est un premier attribut, et l'attribut de HARQ comprenant une fonction de validation de HARQ et une fonction de désactivation de HARQ ; et annuler, par le dispositif terminal, une première demande de planification, la première demande de planification se rapportant à une demande de planification déclenchée par le canal logique de liaison montante, dont l'attribut de HARQ est le premier attribut. Selon les modes de réalisation de la présente invention, conformément à différents attributs de HARQ correspondant à des autorisations de liaison montante, des demandes de planification déclenchées par des canaux logiques de liaison montante ayant différents attributs de HARQ sont différenciées et annulées.
PCT/CN2020/110745 2020-08-24 2020-08-24 Procédé et appareil de transmission d'informations ainsi que dispositif et support d'enregistrement WO2022040848A1 (fr)

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CN202080102256.7A CN115918219A (zh) 2020-08-24 2020-08-24 信息传输方法、装置、设备及存储介质
PCT/CN2020/110745 WO2022040848A1 (fr) 2020-08-24 2020-08-24 Procédé et appareil de transmission d'informations ainsi que dispositif et support d'enregistrement

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