WO2022199482A1 - 上行传输的控制方法、装置及终端 - Google Patents
上行传输的控制方法、装置及终端 Download PDFInfo
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- 238000004891 communication Methods 0.000 claims abstract description 21
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/06—Optimizing the usage of the radio link, e.g. header compression, information sizing, discarding information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
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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 present application belongs to the field of communication technologies, and in particular relates to a control method, device and terminal for uplink transmission.
- IAB Integrated Access Backhaul
- RLF Radio Link Failure
- the embodiments of the present application provide an uplink transmission control method, device, and terminal, which can solve the problem of how to process the triggered data transmission when an IAB node receives a back RLF indication.
- a method for controlling uplink transmission including:
- the IAB node receives the return RLF indication
- the IAB node cancels or suspends the triggered data transmission.
- a control device for uplink transmission including:
- the receiving module is used to receive and return the RLF indication
- the processing module is used to cancel or suspend the triggered data transmission.
- a terminal which is an IAB node, including a processor, a memory, and a program or instruction stored on the memory and executable on the processor, the program or instruction being executed by the
- the processor implements the steps of the method as described in the first aspect when executed.
- a fourth aspect provides a terminal, which is an IAB node, including a processor and a communication interface, wherein the communication interface is used to receive and return an RLF indication, and the processor is used to cancel or suspend triggered data transmission .
- a readable storage medium is provided, and a program or an instruction is stored on the readable storage medium, and when the program or instruction is executed by a processor, the steps of the method according to the first aspect are implemented.
- a chip in a sixth aspect, includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is configured to run a program or an instruction to implement the method according to the first aspect .
- a computer program/program product is provided, the computer program/program product is stored in a non-transitory storage medium, and the program/program product is executed by at least one processor to implement the first aspect the steps of the method.
- the IAB node after receiving the returned RLF indication, can cancel or suspend the triggered data transmission, thereby realizing the processing of the triggered data transmission and ensuring the stability of data transmission in the IAB network.
- FIG. 1 is a block diagram of a wireless communication system to which an embodiment of the present application can be applied;
- FIG. 2 is a schematic diagram of an IAB system in an embodiment of the present application.
- FIG. 3 is a flowchart of a method for controlling uplink transmission provided by an embodiment of the present application.
- FIG. 4 is a schematic structural diagram of an apparatus for controlling uplink transmission provided by an embodiment of the present application.
- FIG. 5 is a schematic structural diagram of a terminal provided by an embodiment of the present application.
- FIG. 6 is a schematic structural diagram of another terminal provided by an embodiment of the present application.
- first, second and the like in the description and claims of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It is to be understood that the terms so used are interchangeable under appropriate circumstances so that the embodiments of the present application can be practiced in sequences other than those illustrated or described herein, and that "first”, “second” distinguishes Usually it is a class, and the number of objects is not limited.
- the first object may be one or multiple.
- “and/or” in the description and claims indicates at least one of the connected objects, and the character “/" generally indicates that the associated objects are in an "or” relationship.
- LTE Long Term Evolution
- LTE-Advanced LTE-Advanced
- LTE-A Long Term Evolution-Advanced
- CDMA Code Division Multiple Access
- TDMA Time Division Multiple Access
- FDMA Frequency Division Multiple Access
- OFDMA Orthogonal Frequency Division Multiple Access
- SC-FDMA Single-carrier Frequency-Division Multiple Access
- system and “network” in the embodiments of the present application are often used interchangeably, and the described technology can be used not only for the above-mentioned systems and radio technologies, but also for other systems and radio technologies.
- NR New Radio
- the following description describes a New Radio (NR) system for example purposes, and uses NR terminology in most of the description below, but the techniques can also be applied to applications other than NR system applications, such as 6th generation (6th generation ) Generation, 6G) communication system.
- 6th generation 6th generation
- 6G 6th generation
- FIG. 1 shows a block diagram of a wireless communication system to which the embodiments of the present application can be applied.
- the wireless communication system includes a terminal 11 and a network-side device 12 .
- the terminal 11 may also be referred to as a terminal device or user equipment (User Equipment, UE), and the terminal 11 may be a mobile phone, a tablet computer (Tablet Personal Computer), a laptop computer (Laptop Computer) or a notebook computer, a personal digital computer Assistant (Personal Digital Assistant, PDA), PDA, Netbook, Ultra-Mobile Personal Computer (UMPC), Mobile Internet Device (Mobile Internet Device, MID), Wearable Device (Wearable Device) or vehicle-mounted device (Vehicle User Equipment, VUE), pedestrian terminal (Pedestrian User Equipment, PUE) and other terminal-side devices, wearable devices include: smart watches, bracelets, headphones, glasses, etc.
- the network side device 12 may be a base station or a core network, wherein the base station may be referred to as a Node B, an evolved Node B, an access point, a Base Transceiver Station (BTS), a radio base station, a radio transceiver, a basic service Set (Basic Service Set, BSS), Extended Service Set (Extended Service Set, ESS), Node B, Evolved Node B (eNB), Home Node B, Home Evolved Node B, Wireless Local Area Network (WLAN) ) access point, WiFi node, Transmitting Receiving Point (TRP) or some other suitable term in the field, as long as the same technical effect is achieved, the base station is not limited to specific technical vocabulary, it should be noted that , in the embodiments of the present application, only the base station in the NR system is used as an example, but the specific type of the base station is not limited.
- BSS Basic Service Set
- ESS Extended Service Set
- Node B Evolved Node B
- FIG. 2 shows a schematic diagram of an IAB system in an embodiment of the present application.
- an IAB node includes a Distributed Unit (DU) functional part and a Mobile Terminal (Mobile Termination, MT) functional part.
- the IAB node can find a parent IAB node (parent IAB node) , and establishes a wireless connection with the DU of the parent IAB node, which is called a backhaul link.
- the IAB node can turn on its DU function, and the DU can provide cell services, that is, the DU can provide access services for user equipment (User Equipment, UE).
- a self-backhaul loop consists of a donor IAB node (or IAB donor), which has a directly connected wired transmission network.
- the introduction of the IAB system is to solve the situation where the wired transmission network is not deployed in place when the access points are densely deployed, that is, when there is no wired transmission network, the access point can rely on wireless backhaul.
- the wireless link between the IAB nodes may be referred to as a backhaul (Backhaul, BH) link.
- the BH link can be configured with a BH Radio Link Control (RLC) channel for wireless backhaul.
- RLC Radio Link Control
- a backhaul adaptation protocol Backhaul adaptation protocol, BAP
- BAP Backhaul adaptation protocol
- PDU Protocol Data Unit
- a defined BAP control PDU type is: BH RLF indication.
- This BH RLF indication may also be referred to as a type-4 (type-4) BH RLF indication.
- the BH RLF indication can be carried by the BAP control PDU, and an IAB node can use the BAP control PDU to notify its child IAB node that the radio link between the IAB node and its parent IAB node fails to recover.
- CU represents the central unit (Central Unit). If RLF occurs on the link between IAB node 2 and its parent node IAB node 3, and the RLF recovery fails, then IAB node 2 can report to its child node IAB. Node 1 sends BH RLF indication to inform IAB node 2 and IAB node 3 that there is a problem in the link.
- Central Unit Central Unit
- type-2 BH RLF indication When an IAB node fails in the wireless link with its parent IAB node, it can notify the child IAB node of RLF through type-2 BH RLF indication;
- type-3 BH RLF indication After an IAB node fails the wireless link with its parent IAB node, but the wireless link is successfully recovered, it can notify the child IAB node of the successful RLF recovery through the type-3 BH RLF indication.
- the "deactivated state" described in this embodiment of the present application may also be referred to as a pending state or a suspended state.
- the indication that the backhaul link is back to normal in this embodiment of the present application may include at least one of the following: type 3 backhaul RLF indication, a higher layer (eg, RRC layer, RLC layer) of the IAB node sends the message to the medium access control Indication that the backhaul link of the (Medium Access Control, MAC) layer is back to normal.
- a higher layer eg, RRC layer, RLC layer
- FIG. 3 is a flowchart of an uplink transmission control method provided by an embodiment of the present application.
- the method is executed by an IAB node, and the IAB node is a terminal. As shown in FIG. 3, the method includes the following steps:
- Step 31 The IAB node receives the RLF indication back.
- the backhaul RLF indication received by the IAB node may be carried by a Backhaul Adaptation Protocol (Backhaul Adaptation Protocol, BAP) control PDU.
- the returned RLF indication may include any one of the following: type 2 (type-2) return RLF indication, and type 4 (type-4) return RLF indication. That is, the backhaul RLF indication received by the IAB node may be a type-2 backhaul RLF indication, or a type-4 backhaul RLF indication.
- Step 32 The IAB node cancels or suspends the triggered data transmission.
- the above-mentioned triggered data transmission may be referred to as triggered uplink data transmission.
- the above-mentioned triggered data transmission may include at least one of the following: triggered scheduling request (Scheduling Request, SR), triggered buffer status report (Buffer Status Report, BSR), triggered pre-emptive buffer status report (Pre-emptive status report) Buffer Status Report, PBSR), etc.
- the IAB node after receiving the back RLF indication, can cancel or suspend the triggered data transmission, so as to realize the processing of the triggered data transmission and ensure the data transmission in the IAB network. stability.
- the returned RLF indication is, for example, type-2/type-4 returned RLF indication, which can be used to cancel or suspend a triggered SR.
- the IAB node when the IAB node receives the backhaul RLF indication on the backhaul link between its parent IAB node, the IAB node can cancel or suspend the first SR; wherein, the first SR is due to the fact that it is to be sent to the parent IAB
- the above suspension of the first SR can be understood as deactivating the first SR.
- the IAB node may stop running the first timer.
- the first timer is, for example, sr-ProhibitTimer.
- the IAB node may resume the suspended first SR when receiving an indication that the backhaul link is back to normal.
- the IAB node may restart the first timer and set the value of the first timer when receiving an indication that the backhaul link is back to normal. is the remaining time value corresponding to when the first timer is suspended, or the value of the first timer is set as the initial value of the timer.
- the initial value of the timer may be agreed in a protocol or configured by a network side device, etc., which is not limited.
- the first timer sr-ProhibitTimer is 64ms in total and counts down to 30ms before stopping
- the uplink resource may be a physical uplink control channel (Physical Uplink Control Channel, PUCCH) resource.
- PUCCH Physical Uplink Control Channel
- the RLC control PDU includes, for example, an RLC status report, and the first SR will not be canceled or suspended, that is, not canceled or suspended.
- the first SR to ensure the sending of the RLC status report.
- an IAB node receives a type-2 backhaul RLF indication on the backhaul link with its parent IAB node, it can be used for all pending SRs (pending SRs) triggered by BSRs to be sent to the parent IAB node. Cancel, and the respective timer sr-ProhibitTimer for each SR needs to be stopped (if the timer is running).
- an IAB node receives a type-2 backhaul RLF indication on the backhaul link with its parent IAB node, then for pending SRs triggered by BSRs to be sent to the parent IAB node, suspend/deactivate the pair.
- the subsequent processing of the pending SRs directly indicates that the operation of processing the pending SRs is stopped, and the timer sr-ProhibitTimer corresponding to each SR needs to be stopped (if the timer is running).
- an IAB node receives a type-2 return RLF indication on the return link between its parent IAB node
- the pending SRs triggered by the BSR to be sent to the parent IAB node still follow the traditional legacy Process, that is, waiting to be processed, indirectly indicates deactivation/stopping the operation of processing the pending SRs.
- the pending SRs will not trigger the RACH process until the IAB node receives the indication that the backhaul link is back to normal.
- an IAB node receives a type-2 backhaul RLF indication on the backhaul link with its parent IAB node, then for pending SRs triggered by BSRs to be sent to the parent IAB node, the The RACH process will not be triggered until the upper layer's backhaul link is back to normal.
- the backhaul link that triggers the type-2 backhaul RLF indication does not return to normal, that is, if the backhaul link from the upper layer is received. , indicating that the backhaul link that triggered the type-2 backhaul RLF indication is back to normal.
- the IAB node After suspending/deactivating pending SRs, if the IAB node receives an indication that the backhaul link from the upper layer is back to normal, it indicates that "the backhaul link that previously received the type-2 backhaul RLF indication has returned to normal.” , you can resume the operation of the previously suspended/deactivated pending SRs, that is, resume the pending SRs that were previously stopped due to the type-2 return RLF indication. And if the timer is triggered before pending SRs, the timer is restarted, and the value of the timer is set to the remaining time corresponding to the timer when it is suspended/deactivated, or set to the initial value of the timer.
- the IAB node when the IAB node receives the backhaul RLF indication on the backhaul link between its parent IAB node, the IAB node can cancel or suspend the second SR; wherein the second SR is not due to being sent to the parent IAB
- the suspending of the second SR may also be referred to as deactivating the second SR.
- the IAB node may stop running the second timer.
- the second timer is, for example, sr-ProhibitTimer.
- the IAB node may resume the suspended second SR when receiving an indication that the backhaul link is back to normal.
- the IAB node may restart the second timer and set the value of the second timer when receiving an indication that the backhaul link is back to normal. is the remaining time value corresponding to when the second timer is suspended, or the value of the second timer is set as the initial value of the timer.
- the initial value of the timer may be agreed in a protocol or configured by a network side device, etc., which is not limited.
- the second timer sr-ProhibitTimer is 32ms in total and counts down to 20ms before it stops running
- an IAB node receives a type-2 backhaul RLF indication on the backhaul link with its parent IAB node, it can cancel all pending SRs that are not triggered by BSRs to be sent to the parent IAB node, and each An SR's respective timer sr-ProhibitTimer needs to be stopped (if the timer is running).
- an IAB node receives a type-2 backhaul RLF indication on the backhaul link between its parent IAB node, then for those pending SRs that are not triggered by the BSR to be sent to the parent IAB node, after receiving Before returning an indication that the link is back to normal, the subsequent processing of the pending SRs is suspended/deactivated, and the respective timer sr-ProhibitTimer corresponding to each SR needs to be stopped (if the timer is running).
- the IAB node After suspending/deactivating pending SRs, if the IAB node receives an indication that the backhaul link from the upper layer is back to normal, it indicates that "the backhaul link that previously received the type-2 backhaul RLF indication has returned to normal.” , you can resume the operation of the previously suspended/deactivated pending SRs, that is, resume the pending SRs that were previously stopped due to the type-2 return RLF indication. And if the timer is triggered before the pending SRs, the timer is restarted, and the value of the timer is set to the remaining time corresponding to the timer when it is suspended/deactivated, or is set to the initial value of the timer.
- the above-mentioned indication that the backhaul link is back to normal may include at least one of the following: type-3 backhaul RLF indication, an indication that the backhaul link is back to normal sent by the upper layer of the IAB node to the MAC layer.
- type-3 backhaul RLF indication an indication that the backhaul link is back to normal sent by the upper layer of the IAB node to the MAC layer.
- the upper layer performs an inter-layer indication to inform the MAC layer that the backhaul link has returned to normal.
- the triggered SR is processed according to the legacy process.
- the returned RLF indication is, for example, type-2/type-4 returned RLF indication, which can be used to cancel or suspend a triggered BSR.
- the IAB node when the IAB node receives the backhaul RLF indication on the backhaul link between its parent IAB node, the IAB node can cancel or suspend the first BSR.
- the first BSR is a BSR that is determined based on the BSR process and will be triggered but not cancelled.
- the suspending of the first BSR may also be referred to as deactivating the first BSR.
- the first BSR may be a regular (regular) BSR, or may be a periodic (periodic) BSR.
- regular BSR if no type-2 return RLF indication is received, it will be processed according to the legacy process.
- type-2 return RLF indication is received and the type-3 return RLF indication is not received, it means that the regular BSR is still in the inactive state and cannot trigger SR; If the RLF indication is sent and the RLF indication is returned by type-3, it means that the regular BSR has returned to normal and the SR can be triggered.
- the padding BSR is in the case that the uplink grant (UL grant) is redundant, the UE uses the remaining bits to report the BSR situation to the network side device. Therefore, the padding BSR occurs only when there is a surplus of resources. , there is no need to cancel the padding BSR. Therefore, when the first BSR is a padding BSR, the first BSR will not be cancelled or suspended.
- the IAB node may stop running the third timer.
- the third timer is a retransmission timer, such as retxBSR-Timer.
- the third timer is a periodic timer, such as periodicBSR-Timer.
- the IAB node may resume the suspended first BSR when receiving an indication that the backhaul link is back to normal.
- the IAB node can restart the third timer and set the value of the third timer. is the remaining time value corresponding to when the third timer is suspended, or the value of the third timer is set as the initial value of the timer.
- the initial value of the timer may be agreed in a protocol or configured by a network side device, etc., which is not limited.
- the third timer retxBSR-Timer has a total of 10 subframes and counts down to 5 subframes before it stops running
- the above-mentioned indication that the backhaul link is back to normal may include at least one of the following: type-3 backhaul RLF indication, an indication that the backhaul link is back to normal sent by the upper layer of the IAB node to the MAC layer.
- type-3 backhaul RLF indication an indication that the backhaul link is back to normal sent by the upper layer of the IAB node to the MAC layer.
- the upper layer performs an inter-layer indication to inform the MAC layer that the backhaul link has returned to normal.
- the RLC control PDU includes, for example, an RLC status report
- the first BSR will not be canceled or suspended, that is, the first SR will not be canceled or suspended, so as to Guarantees the sending of RLC status reports.
- the IAB node can stop triggering the new BSR, and/or stop triggering the new SR; or, under the condition that triggers the BSR, the IAB node can trigger the new BSR, And the triggered BSR is determined to be in a suspended state/pending state.
- the condition for triggering the BSR may be at least one of the following: the logical channel priority of the newly arrived uplink data is higher than the logical channel priority of any logical channel group in the uplink data buffered by the UE; Before there is any buffered upstream data, etc.
- an IAB node receives a type-2 backhaul RLF indication on the backhaul link with its parent IAB node, and the BSR procedure determines that at least one BSR will be triggered and not cancelled, it can cancel the At least one BSR.
- the IAB node After the IAB node receives the type-2 return RLF indication, it can still trigger a new BSR, but the BSR will be re-determined as deactivated/suspended, that is, the processing of the BSR will stop. Specifically, if the IAB node receives the type-2 backhaul RLF indication on the backhaul link with its parent IAB node, and has not received any indication from the upper layers, the link where the RLF occurred has returned to normal , and the BSR procedure determines that at least one BSR will be triggered and not cancelled, then: 1) Determine that at least one BSR is a deactivated/suspended BSR, that is, stop the operation on at least one BSR, and stop the corresponding retxBSR-Timer Or periodicaBSR-Timer (if the timer is running); 2) Optionally, no SR will be triggered.
- the IAB node After suspending/deactivating the BSR, if the IAB node receives an indication that the backhaul link of the upper layer is back to normal, that is, it indicates that "the backhaul link that received the type-2 backhaul RLF indication has returned to normal", Then, the operation of the previously suspended/deactivated BSR can be resumed, that is, the operation of the BSR that was stopped due to receiving the type-2 return RLF indication can be resumed. And if the timer is triggered before the BSR, the timer corresponding to the BSR is restarted, and the value of the timer is set to the remaining time corresponding to the timer when it is deactivated, or to the initial value of the timer.
- the returned RLF indication is, for example, type-2/type-4 returned RLF indication, which can be used to cancel or suspend the triggered PBSR.
- the IAB node when the IAB node receives the backhaul RLF indication on the backhaul link between its parent IAB node, the IAB node can cancel or suspend the first PBSR.
- the first PBSR is a PBSR that is determined based on the PBSR process and will be triggered and not cancelled.
- the suspending of the first PBSR may also be referred to as deactivating the first PBSR.
- the IAB node can resume the suspended first PBSR when receiving an indication that the backhaul link is back to normal.
- the above-mentioned indication that the backhaul link is back to normal may include at least one of the following: type-3 backhaul RLF indication, an indication that the backhaul link is back to normal sent by the upper layer of the IAB node to the MAC layer.
- type-3 backhaul RLF indication an indication that the backhaul link is back to normal sent by the upper layer of the IAB node to the MAC layer.
- the upper layer performs inter-layer indication to inform the MAC layer that the backhaul link has returned to normal.
- an IAB node receives a type-2 backhaul RLF indication on the backhaul link with its parent IAB node, and the PBSR procedure determines that at least one PBSR will be triggered and not cancelled, the at least one PBSR can be cancelled .
- an IAB node receives a type-2 backhaul RLF indication on the backhaul link with its parent IAB node, it stops triggering a new PBSR, and processes the already-triggered PBSR in accordance with the existing process.
- the IAB node after the IAB node receives the type-2 return RLF indication, it can still trigger a new PBSR, but the PBSR will be re-determined as deactivated/suspended, that is, the processing of the PBSR will stop.
- the IAB node receives the type-2 backhaul RLF indication on the backhaul link with its parent IAB node, and has not received any indication from the upper layers, the link where the RLF occurred has returned to normal , and the PBSR procedure determines that at least one PBSR will be triggered and not cancelled, then: 1) determine that the at least one PBSR is a deactivated/suspended PBSR, that is, stop the operation of the at least one PBSR; 2) optionally , will not trigger any SR.
- the IAB node After suspending/deactivating PBSR, if the IAB node receives an indication that the backhaul link from the upper layer is back to normal, that is, it indicates that "the backhaul link that received the type-2 backhaul RLF indication has returned to normal", Then the operation of the previously suspended/deactivated PBSR can be resumed, that is, the operation of the PBSR that was stopped due to the receipt of the type-2 return RLF indication can be resumed.
- the second BSR will not be canceled after being triggered Or pause to ensure the sending of RLC status reports.
- the SR corresponding to the second BSR is triggered when the resource size of the uplink grant (UL grant) of the IAB node is smaller than the resource size occupied by the second BSR, the SR corresponding to the second BSR is not triggered after being triggered. will be cancelled or suspended.
- the RLC layer interacts with the MAC layer, informs the MAC layer that the current data to be transmitted includes the RLC Control PDU, and triggers the sending of the BSR, the triggered BSR will not be cancelled in all subsequent operations/ Pause; and when the BSR is sent, if the size of the UL grant is insufficient to accommodate the sum of the BSR MAC Control Element (CE) and its subheader (header), for example, according to the Logical Channel Prioritization (LCP) criterion
- LCP Logical Channel Prioritization
- the RLC Control PDU of the IAB node can only be transmitted through the first logical channel (Logical Channel, LCH), and when the data to be transmitted that triggers the third BSR includes the data to be transmitted in the first LCH, the third BSR After being triggered, it will not be canceled or paused. That is, if it is stipulated that the RLC Control PDU can only be transmitted through a specific LCH, when the data to be transmitted that triggers the BSR contains the data to be transmitted by the LCH, the BSR will not be cancelled/suspended in all subsequent operations .
- LCH Logical Channel
- the LCH corresponding to the third SR to be processed is the LCH used to transmit the RLC Control PDU, and/or, when the third BSR that triggers the third SR includes the data to be sent in the first LCH, the third SR will not be cancelled or suspended.
- the processing of the uplink transmission permission by the IAB node may include at least one of the following:
- the IAB node ignores the preconfigured uplink transmission license, that is, does not use the preconfigured uplink transmission license for uplink data transmission;
- the IAB node uses the preconfigured uplink transmission license to transmit the RLC control PDU, that is, the preconfigured uplink transmission license can still be used to transmit the RLC control PDU;
- the IAB node deactivates the preconfigured uplink transmission permission.
- the IAB node can restore the preconfigured uplink transmission permission when the received backhaul link returns to normal indication, or the IAB node can be based on the parent IAB node of the IAB node. , activate the pre-configured uplink transmission license to use the pre-configured uplink transmission license for uplink data transmission.
- the above-mentioned deactivation of the preconfigured uplink transmission permission means that the preconfigured uplink transmission permission is temporarily ignored.
- the network side configures a series of/periodic Configuration Grant (CG) to the UE, and then the UE can directly transmit data on the time-frequency resource (CG) configured in advance by the network side; the meaning of "deactivation" here
- CG time-frequency resource
- the UE can send data on the CG, but because it has received the return RLF indication, it does not transmit data at the time of the CG, but waits until the return chain of the RLF After the road is restored successfully, CG is used for data transmission.
- the restoration of the preconfigured uplink transmission permission by the IAB node means that the preconfigured uplink transmission permission is not ignored, that is, the preconfigured uplink transmission permission is used for data transmission.
- the execution subject may be an uplink transmission control apparatus, or a control module in the uplink transmission control apparatus for executing the uplink transmission control method.
- a method for controlling uplink transmission performed by an apparatus for controlling uplink transmission is taken as an example to describe the apparatus for controlling uplink transmission provided by the embodiments of the present application.
- FIG. 4 is a schematic structural diagram of an uplink transmission control device provided by an embodiment of the present application.
- the device is applied to an IAB node, and the IAB node is a terminal.
- the uplink transmission control device 40 includes:
- the receiving module 41 is used to receive and return the RLF indication
- the processing module 42 is configured to cancel or suspend the triggered data transmission.
- the control device for uplink transmission can cancel or suspend the triggered data transmission after receiving the back RLF indication, so as to realize the processing of the triggered data transmission and ensure the stability of data transmission in the IAB network. .
- the triggered data transmission includes at least one of the following:
- the returned RLF indication includes any one of the following: type 2 return RLF indication, type 4 return RLF indication.
- processing module 42 is further configured to execute any one of the following:
- the IAB node When the IAB node receives the backhaul RLF indication on the backhaul link with the parent IAB node of the IAB node, cancel or suspend the first SR; wherein, the first SR is due to sending the pending SR triggered by the BSR of the parent IAB node;
- the IAB node When the IAB node receives the backhaul RLF indication on the backhaul link with the parent IAB node of the IAB node, cancel or suspend the second SR; wherein the second SR is not due to be sent The pending SR triggered by the BSR of the parent IAB node.
- the first SR will not perform the operation until the IAB node receives the instruction that the backhaul link is back to normal. Trigger the RACH process.
- processing module 42 is also used for:
- processing module 42 is also used for:
- the first SR when the data to be sent that triggers the BSR includes an RLC control PDU, the first SR will not be canceled or suspended.
- processing module 42 is also used for:
- the suspended first SR is resumed when an indication that the backhaul link is back to normal is received.
- processing module 42 is also used for:
- the suspended second SR is resumed when an indication that the backhaul link is back to normal is received.
- processing module 42 is also used for:
- processing module 42 is also used for:
- processing module 42 is also used for:
- the IAB node When the IAB node receives the backhaul RLF indication on the backhaul link with the parent IAB node of the IAB node, cancel or suspend the first BSR; wherein, the first BSR is based on the BSR process Determined will be triggered and there is no canceled BSR.
- the first BSR when the first BSR is a BSR, the first BSR will not be cancelled or suspended.
- processing module 42 is also used for:
- the first BSR when the data to be sent that triggers the first BSR includes an RLC control PDU, the first BSR will not be canceled or suspended.
- processing module 42 is also used for:
- the suspended first BSR After suspending the first BSR, when receiving an indication that the backhaul link is back to normal, the suspended first BSR is resumed.
- processing module 42 is also used for:
- processing module 42 is also used for:
- the IAB node When the IAB node receives the backhaul RLF indication on the backhaul link with the parent IAB node of the IAB node, cancel or suspend the first PBSR; wherein, the first PBSR is based on the PBSR process The determined PBSR will be triggered and not cancelled.
- processing module 42 is also used for:
- the suspended first PBSR is resumed when an indication that the backhaul link is back to normal is received.
- the indication that the backhaul link is back to normal includes at least one of the following:
- Type 3 returns RLF indication
- the upper layer of the IAB node sends an indication to the MAC layer that the backhaul link is back to normal.
- processing module 42 is also used for:
- a new BSR is triggered, and the triggered BSR is determined to be in a suspended state.
- the RLC layer of the IAB node indicates that the data to be transmitted by the MAC layer includes an RLC Control PDU, and the data to be transmitted triggers a second BSR, the second BSR will not be cancelled after being triggered. Or pause.
- the SR corresponding to the second BSR is triggered when the resource size of the uplink grant of the IAB node is smaller than the resource size occupied by the second BSR, the SR corresponding to the second BSR is Once triggered, it will not be canceled or suspended.
- the RLC Control PDU of the IAB node can only be transmitted through the first logical channel LCH, and when the data to be transmitted that triggers the third BSR includes the data to be transmitted in the first LCH, the third After the BSR is triggered, it will not be cancelled or suspended;
- the LCH corresponding to the third SR to be processed is the LCH used to transmit the RLC Control PDU, and/or when the third BSR triggering the third SR includes the data to be sent in the first LCH, the Three SRs will not be cancelled or suspended.
- processing module 42 is also used for:
- the transmission of the RLC control PDU is performed by using a preconfigured uplink transmission license
- processing module 42 is also used for:
- the control apparatus for uplink transmission in this embodiment of the present application may be an apparatus, an apparatus having an operating system or an electronic device, or may be a component, an integrated circuit, or a chip in a terminal.
- the apparatus or electronic device may be a mobile terminal or a non-mobile terminal.
- the mobile terminal may include but is not limited to the types of terminals 11 listed above, and the non-mobile terminal may be a server, a network attached storage (Network Attached Storage, NAS), a personal computer (Personal Computer, PC), a television ( Television, TV), teller machine, or self-service machine, etc., which are not specifically limited in the embodiments of the present application.
- the uplink transmission control apparatus provided in the embodiment of the present application can implement each process implemented by the method embodiment in FIG. 3 , and achieve the same technical effect. To avoid repetition, details are not repeated here.
- an embodiment of the present application further provides a terminal 500 , where the terminal 500 is an IAB node, and includes a processor 501 and a memory 502 , which are stored on the memory 502 and can be stored on the processor 501
- the running program or instruction when the program or instruction is executed by the processor 501, implements each process of the above-mentioned embodiments of the uplink transmission control method, and can achieve the same technical effect. To avoid repetition, details are not repeated here.
- the embodiment of the present application also provides a terminal, where the terminal is an IAB node, and includes a processor and a communication interface, where the communication interface is used to receive and return an RLF indication, and the processor is used to cancel or suspend the triggered data transmission.
- This terminal embodiment corresponds to the above-mentioned method embodiment shown in FIG. 3 , and each implementation process and implementation manner of the above-mentioned method embodiment can be applied to this terminal embodiment, and can achieve the same technical effect.
- FIG. 6 is a schematic diagram of a hardware structure of a terminal implementing an embodiment of the present application.
- the terminal 600 is an IAB node, including but not limited to: a radio frequency unit 601, a network module 602, an audio output unit 603, an input unit 604, a sensor 605, a display unit 606, a user input unit 607, an interface unit 608, a memory 609, and a processing at least some of the components in the device 610 and the like.
- the terminal 600 may also include a power source (such as a battery) for supplying power to various components, and the power source may be logically connected to the processor 610 through a power management system, so as to manage charging, discharging, and power consumption through the power management system management and other functions.
- a power source such as a battery
- the terminal structure shown in FIG. 6 does not constitute a limitation on the terminal, and the terminal may include more or less components than shown, or combine some components, or arrange different components, which will not be repeated here.
- the input unit 604 may include a graphics processor (Graphics Processing Unit, GPU) 6041 and a microphone 6042. Such as camera) to obtain still pictures or video image data for processing.
- the display unit 606 may include a display panel 6061, which may be configured in the form of a liquid crystal display, an organic light emitting diode, or the like.
- the user input unit 607 includes a touch panel 6071 and other input devices 6072 .
- the touch panel 6071 is also called a touch screen.
- the touch panel 6071 may include two parts, a touch detection device and a touch controller.
- Other input devices 6072 may include, but are not limited to, physical keyboards, function keys (such as volume control keys, switch keys, etc.), trackballs, mice, and joysticks, which are not described herein again.
- the radio frequency unit 601 receives the downlink data from the network side device, and then processes it to the processor 610; in addition, sends the uplink data to the network side device.
- the radio frequency unit 601 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like.
- Memory 609 may be used to store software programs or instructions as well as various data.
- the memory 609 may mainly include a stored program or instruction area and a storage data area, wherein the stored program or instruction area may store an operating system, an application program or instruction required for at least one function (such as a sound playback function, an image playback function, etc.) and the like.
- the memory 609 may include a high-speed random access memory, and may also include a non-volatile memory, wherein the non-volatile memory may be a read-only memory (Read-Only Memory, ROM), a programmable read-only memory (Programmable ROM) , PROM), erasable programmable read-only memory (Erasable PROM, EPROM), electrically erasable programmable read-only memory (Electrically EPROM, EEPROM) or flash memory.
- ROM Read-Only Memory
- PROM programmable read-only memory
- PROM erasable programmable read-only memory
- Erasable PROM Erasable PROM
- EPROM electrically erasable programmable read-only memory
- EEPROM electrically erasable programmable read-only memory
- flash memory for example at least one magnetic disk storage device, flash memory device, or other non-volatile solid state storage device.
- the processor 610 may include one or more processing units; optionally, the processor 610 may integrate an application processor and a modem processor, wherein the application processor mainly processes the operating system, user interface, and application programs or instructions, etc. Modem processors mainly deal with wireless communications, such as baseband processors. It can be understood that, the above-mentioned modulation and demodulation processor may not be integrated into the processor 610.
- the radio frequency unit 601 is used for: receiving and returning RLF indication;
- the processor 610 is configured to cancel or suspend the triggered data transmission.
- the triggered data transmission after receiving the back RLF indication, the triggered data transmission can be cancelled or suspended, thereby realizing the processing of the triggered data transmission and ensuring the stability of data transmission in the IAB network.
- the triggered data transmission includes at least one of the following:
- the returned RLF indication includes any one of the following: type 2 return RLF indication, type 4 return RLF indication.
- processor 610 is further configured to execute any one of the following:
- the terminal 600 When the terminal 600 receives the backhaul RLF indication on the backhaul link with the parent IAB node of the terminal 600, it cancels or suspends the first SR; wherein, the first SR is to be sent to the parent The pending SR triggered by the BSR of the IAB node;
- the terminal 600 When the terminal 600 receives the backhaul RLF indication on the backhaul link with the parent IAB node of the terminal 600, it cancels or suspends the second SR; wherein the second SR is not due to be sent to the parent The pending SR triggered by the BSR of the IAB node.
- the first SR will not trigger the RACH process until the terminal 600 receives an indication that the backhaul link is back to normal.
- processor 610 is further configured to:
- processor 610 is further configured to:
- the first SR when the data to be sent that triggers the BSR includes an RLC control PDU, the first SR will not be canceled or suspended.
- processor 610 is further configured to:
- the suspended first SR is resumed when an indication that the backhaul link is back to normal is received.
- processor 610 is further configured to:
- the suspended second SR is resumed when an indication that the backhaul link is back to normal is received.
- processor 610 is further configured to:
- processor 610 is further configured to:
- processor 610 is further configured to:
- the terminal 600 When the terminal 600 receives the backhaul RLF indication on the backhaul link with the parent IAB node of the terminal 600, it cancels or suspends the first BSR; wherein, the first BSR is determined based on the BSR process and will be Triggered and not cancelled BSR.
- the first BSR when the first BSR is a BSR, the first BSR will not be cancelled or suspended.
- processor 610 is further configured to:
- the first BSR when the data to be sent that triggers the first BSR includes an RLC control PDU, the first BSR will not be canceled or suspended.
- processor 610 is further configured to:
- the suspended first BSR After suspending the first BSR, when receiving an indication that the backhaul link is back to normal, the suspended first BSR is resumed.
- processor 610 is further configured to:
- processor 610 is further configured to:
- the terminal 600 When the terminal 600 receives the backhaul RLF indication on the backhaul link with the parent IAB node of the terminal 600, it cancels or suspends the first PBSR; wherein, the first PBSR is determined based on the PBSR process and will be PBSR that fires and is not canceled.
- processor 610 is further configured to:
- the suspended first PBSR is resumed when an indication that the backhaul link is back to normal is received.
- the indication that the backhaul link is back to normal includes at least one of the following:
- Type 3 returns RLF indication
- the upper layer of the terminal 600 sends an indication to the MAC layer that the backhaul link is back to normal.
- processor 610 is further configured to:
- a new BSR is triggered, and the triggered BSR is determined to be in a suspended state.
- the RLC layer of the terminal 600 indicates that the data to be transmitted by the MAC layer includes an RLC Control PDU, and the data to be transmitted triggers a second BSR, the second BSR will not be canceled or suspended after being triggered. .
- the SR corresponding to the second BSR is triggered when the resource size of the uplink grant of the terminal 600 is smaller than the resource size occupied by the second BSR, the SR corresponding to the second BSR is triggered will not be canceled or suspended.
- the RLC Control PDU of the terminal 600 can only be transmitted through the first logical channel LCH, and when the data to be transmitted that triggers the third BSR includes the data to be transmitted in the first LCH, the third BSR is After being triggered, it will not be canceled or suspended;
- the LCH corresponding to the third SR to be processed is the LCH used to transmit the RLC Control PDU, and/or when the third BSR triggering the third SR includes the data to be sent in the first LCH, the Three SRs will not be cancelled or suspended.
- processor 610 is further configured to:
- the transmission of the RLC control PDU is performed by using a preconfigured uplink transmission license
- processor 610 is further configured to:
- the embodiments of the present application further provide a readable storage medium, the readable storage medium may be non-volatile or volatile, and a program or an instruction is stored on the readable storage medium, and the program or instruction is stored in the readable storage medium.
- the processor executes, each process of the method embodiment shown in FIG. 3 is implemented, and the same technical effect can be achieved. To avoid repetition, details are not repeated here.
- the processor is the processor in the terminal described in the foregoing embodiment.
- the readable storage medium includes a computer-readable storage medium, such as a computer read-only memory (Read-Only Memory, ROM), a random access memory (Random Access Memory, RAM), a magnetic disk or an optical disk, and the like.
- An embodiment of the present application further provides a chip, where the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is configured to run a program or an instruction to implement the method shown in FIG. 3 above. In order to avoid repetition, the details are not repeated here.
- the chip mentioned in the embodiments of the present application may also be referred to as a system-on-chip, a system-on-chip, a system-on-chip, or a system-on-a-chip, or the like.
- An embodiment of the present application further provides a computer program product, where the computer program product is stored in a non-transitory storage medium, and the computer program product is executed by at least one processor to implement the above method embodiment shown in FIG. 3 .
- Each process can achieve the same technical effect. In order to avoid repetition, it will not be repeated here.
- the disclosed apparatus and method may be implemented in other manners.
- the apparatus embodiments described above are only illustrative.
- the division of the units is only a logical function division. In actual implementation, there may be other division methods.
- multiple units or components may be combined or Can be integrated into another system, or some features can be ignored, or not implemented.
- the shown or discussed mutual coupling or direct coupling or communication connection may be through some interfaces, indirect coupling or communication connection of devices or units, and may be in electrical, mechanical or other forms.
- the units described as separate components may or may not be physically separated, and components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution in this embodiment.
- each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically alone, or two or more units may be integrated into one unit.
- the functions, if implemented in the form of software functional units and sold or used as independent products, may be stored in a computer-readable storage medium.
- the technical solution of the present application can be embodied in the form of a software product in essence, or the part that contributes to the related technology or the part of the technical solution.
- the computer software product is stored in a storage medium, including several
- the instructions are used to cause a computer device (which may be a personal computer, a server, or a network device, etc.) to execute all or part of the steps of the methods described in the various embodiments of the present application.
- the aforementioned storage medium includes: a U disk, a removable hard disk, a ROM, a RAM, a magnetic disk, or an optical disk and other mediums that can store program codes.
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Abstract
Description
Claims (34)
- 一种上行传输的控制方法,包括:集成接入回传IAB节点接收回传无线链路失败指示RLF indication;所述IAB节点取消或者暂停已触发的数据发送。
- 根据权利要求1所述的方法,其中,所述已触发的数据发送包括以下至少一项:已触发的调度请求SR;已触发的缓冲状态报告BSR;已触发的抢先缓冲状态报告PBSR。
- 根据权利要求1所述的方法,其中,所述回传RLF indication包括以下任意一项:类型2回传RLF indication、类型4回传RLF indication。
- 根据权利要求1所述的方法,其中,所述取消或者暂停已触发的数据发送,包括以下任意一项:当所述IAB节点在与所述IAB节点的父IAB节点间的回传链路上接收到所述回传RLF indication时,所述IAB节点取消或者暂停第一SR;其中,所述第一SR是由于要发送给所述父IAB节点的BSR而触发的待处理SR;当所述IAB节点在与所述IAB节点的父IAB节点间的回传链路上接收到所述回传RLF indication时,所述IAB节点取消或者暂停第二SR;其中,所述第二SR不是由于要发送给所述父IAB节点的BSR而触发的待处理SR。
- 根据权利要求4所述的方法,其中,当所述IAB节点的媒体接入控制MAC实体没有为所述第一SR配置的有效上行资源时,所述第一SR在所述IAB节点接收到回传链路恢复正常的指示之前,不会触发随机接入RACH过程。
- 根据权利要求4所述的方法,其中,在取消或者暂停所述第一SR时,所述方法还包括:当所述第一SR对应的第一定时器在运行时,所述IAB节点停止运行所述第一定时器;或者,在取消或者暂停所述第二SR时,所述方法还包括:当所述第二SR对应的第二定时器在运行时,所述IAB节点停止运行所述第二定时器。
- 根据权利要求4所述的方法,其中,当触发所述BSR的待发送数据中包括无线链路控制RLC控制control协议数据单元PDU时,所述第一SR不会被取消或者暂停。
- 根据权利要求4所述的方法,其中,在暂停所述第一SR之后,所述方法还包括:当接收到回传链路恢复正常的指示时,所述IAB节点恢复暂停的所述第一SR;或者,在暂停所述第二SR之后,所述方法还包括:当接收到回传链路恢复正常的指示时,所述IAB节点恢复暂停的所述第二SR。
- 根据权利要求6所述的方法,其中,在暂停所述第一SR,且停止运行所述第一定时器之后,所述方法还包括:当接收到回传链路恢复正常的指示时,所述IAB节点重新启动所述第一定时器,并将所述第一定时器的值设置为第一定时器被暂停时所对应的剩余时间值,或者,将所述第一定时器的值设置为计时器初始值;或者,在暂停所述第二SR,且停止运行所述第二定时器之后,所述方法还包括:当接收到回传链路恢复正常的指示时,所述IAB节点重新启动所述第二定时器,并将所述第二定时器的值设置为所述第二定时器被暂停时所对应的剩余时间值,或者,将所述第二定时器的值设置为计时器初始值。
- 根据权利要求1所述的方法,其中,所述取消或者暂停已触发的数据发送,包括:当所述IAB节点在与所述IAB节点的父IAB节点间的回传链路上接收到所述回传RLF indication时,所述IAB节点取消或者暂停第一BSR;其中,所述第一BSR是基于BSR流程决定的会被触发并且没有被取消的BSR。
- 根据权利要求10所述的方法,其中,当所述第一BSR为填充BSR时,所述第一BSR不会被取消或者暂停。
- 根据权利要求10所述的方法,其中,在取消或者暂停所述第一BSR时,所述方法还包括:当所述第一BSR对应的第三定时器在运行时,所述IAB节点停止运行所述第三定时器。
- 根据权利要求10所述的方法,其中,当触发所述第一BSR的待发送数据中包括RLC control PDU时,所述第一BSR不会被取消或者暂停。
- 根据权利要求10所述的方法,其中,在暂停所述第一BSR之后,所述方法还包括:当接收到回传链路恢复正常的指示时,所述IAB节点恢复暂停的所述第一BSR。
- 根据权利要求12所述的方法,其中,在暂停所述第一BSR,且停止运行所述第三定时器之后,所述方法还包括:当接收到回传链路恢复正常的指示时,所述IAB节点重新启动所述第三定时器,并将所述第三定时器的值设置为所述第三定时器被暂停时所对应的剩余时间值,或者,将所述第三定时器的值设置为计时器初始值。
- 根据权利要求1所述的方法,其中,所述取消或者暂停已触发的数据发送,包括:当所述IAB节点在与所述IAB节点的父IAB节点间的回传链路上接收到所述回传RLF indication时,所述IAB节点取消或者暂停第一PBSR;其中,所述第一PBSR是基于PBSR流程决定的会被触发并且没有被取消的PBSR。
- 根据权利要求16所述的方法,其中,在暂停所述第一PBSR之后,所述方法还包括:当接收到回传链路恢复正常的指示时,所述IAB节点恢复暂停的所述第一PBSR。
- 根据权利要求8、9、14、15和17中任一项所述的方法,其中,所述回传链路恢复正常的指示包括以下至少一项:类型3回传RLF indication;所述IAB节点的高层发送给MAC层的回传链路恢复正常的指示。
- 根据权利要求1所述的方法,其中,在接收到所述回传RLF indication之后,所述方法还包括:所述IAB节点停止触发新的BSR,和/或,停止触发新的SR;或者,在满足触发BSR的条件下,所述IAB节点触发新的BSR,且触发后的BSR被判定为暂停态。
- 根据权利要求1所述的方法,其中,若所述IAB节点的RLC层指示MAC层待传输数据中包括RLC Control PDU,且所述待传输数据触发第二BSR,则所述第二BSR在被触发后,不会被取消或者暂停。
- 根据权利要求20所述的方法,其中,若在所述IAB节点的上行授权的资源大小小于所述第二BSR所占用的资源大小时,触发了所述第二BSR对应的SR,则所述第二BSR对应的SR在被触发后,不会被取消或者暂停。
- 根据权利要求1所述的方法,其中,所述IAB节点的RLC Control PDU仅能通过第一逻辑信道LCH进行传输,且触发第三BSR的待发送数据中包括所述第一LCH中的待传输数据时,所述第三BSR在被触发后,不会被取 消或者暂停;或者,待处理的第三SR对应的LCH为用于传输RLC Control PDU的LCH,和/或,触发所述第三SR的第三BSR中包括所述第一LCH中的待发送数据时,所述第三SR不会被取消或者暂停。
- 根据权利要求1所述的方法,其中,在接收所述回传RLF indication之后,所述方法还包括以下至少一项:所述IAB节点忽略预配置的上行传输许可;当具有RLC control PDU的传输需求时,所述IAB节点利用预配置的上行传输许可进行所述RLC control PDU的传输;所述IAB节点去激活预配置的上行传输许可。
- 根据权利要求23所述的方法,其中,在去激活所述预配置的上行传输许可之后,所述方法还包括:当接收的回传链路恢复正常的指示时,所述IAB节点恢复所述预配置的上行传输许可,或者,所述IAB节点基于所述IAB节点的父IAB节点的指示,激活所述预配置的上行传输许可。
- 一种上行传输的控制装置,包括:接收模块,用于接收回传RLF indication;处理模块,用于取消或者暂停已触发的数据发送。
- 根据权利要求25所述的装置,其中,所述已触发的数据发送包括以下至少一项:已触发的SR;已触发的BSR;已触发的PBSR。
- 根据权利要求25所述的装置,其中,所述处理模块还用于执行以下任意一项:当IAB节点在与所述IAB节点的父IAB节点间的回传链路上接收到所述 回传RLF indication时,取消或者暂停第一SR;其中,所述第一SR是由于要发送给所述父IAB节点的BSR而触发的待处理SR;当IAB节点在与所述IAB节点的父IAB节点间的回传链路上接收到所述回传RLF indication时,取消或者暂停第二SR;其中,所述第二SR不是由于要发送给所述父IAB节点的BSR而触发的待处理SR。
- 根据权利要求25所述的装置,其中,所述处理模块还用于:当IAB节点在与所述IAB节点的父IAB节点间的回传链路上接收到所述回传RLF indication时,取消或者暂停第一BSR;其中,所述第一BSR是基于BSR流程决定的会被触发并且没有被取消的BSR。
- 根据权利要求25所述的装置,其中,所述处理模块还用于:当IAB节点在与所述IAB节点的父IAB节点间的回传链路上接收到所述回传RLF indication时,取消或者暂停第一PBSR;其中,所述第一PBSR是基于PBSR流程决定的会被触发并且没有被取消的PBSR。
- 一种终端,所述终端为IAB节点,包括处理器,存储器及存储在所述存储器上并可在所述处理器上运行的程序或指令,其中,所述程序或指令被所述处理器执行时实现如权利要求1至24任一项所述的上行传输的控制方法的步骤。
- 一种可读存储介质,所述可读存储介质上存储程序或指令,其中,所述程序或指令被处理器执行时实现如权利要求1至24任一项所述的上行传输的控制方法的步骤。
- 一种芯片,包括处理器和通信接口,其中,所述通信接口和所述处理器耦合,所述处理器用于运行程序或指令,实现如权利要求1至24任一项所述的上行传输的控制方法的步骤。
- 一种计算机程序产品,其中,所述计算机程序产品被存储在非瞬态的存储介质中,所述计算机程序产品被至少一个处理器执行以实现如权利要 求1至24任一项所述的上行传输的控制方法的步骤。
- 一种通信设备,被配置为执行如权利要求1至24任一项所述的上行传输的控制方法的步骤。
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