CN112512120A - Method, device, terminal equipment, base station and storage medium for transmitting status report - Google Patents
Method, device, terminal equipment, base station and storage medium for transmitting status report Download PDFInfo
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- H—ELECTRICITY
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- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/53—Allocation or scheduling criteria for wireless resources based on regulatory allocation policies
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/12—Wireless traffic scheduling
- H04W72/1221—Wireless traffic scheduling based on age of data to be sent
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/12—Wireless traffic scheduling
- H04W72/1263—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
- H04W72/1268—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows of uplink data flows
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- H—ELECTRICITY
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- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
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- H04W—WIRELESS COMMUNICATION NETWORKS
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- H04W72/535—Allocation or scheduling criteria for wireless resources based on resource usage policies
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Abstract
The present disclosure relates to a method, an apparatus, a terminal device, a base station and a storage medium for transmitting a status report, the method of the present disclosure includes: the base station receives feedback information sent by the terminal equipment, wherein the feedback information is used for indicating whether a data packet sent by the base station is received or not, when the base station determines that the number of times that the terminal equipment does not receive the data packet sent by the base station is greater than or equal to a preset threshold value according to the feedback information, first uplink transmission resources are distributed for the terminal equipment, the base station sends first authorization information to the terminal equipment, the first authorization information comprises configuration information of the first uplink transmission resources, the base station receives a first state report sent by the terminal equipment through the first uplink transmission resources, and the first state report comprises identification of the data packet not received by the terminal equipment. The method reduces the random access process of the terminal equipment and optimizes the uplink scheduling under the condition that the network loses packets, thereby saving time and resources and improving the access efficiency.
Description
Technical Field
The present disclosure relates to the field of communications technologies, and in particular, to a method, an apparatus, a terminal device, a base station, and a storage medium for transmitting a status report.
Background
Narrowband Internet of Things (NB-IoT) is a narrowband cellular communication technology. The NB-IoT is a half-duplex data transmission mode.
In an NB-IoT network, when a base station transmits data to a terminal device, if a phenomenon that the data is not successfully transmitted, that is, a packet loss phenomenon occurs, the terminal device needs to establish connection with the base station through a random access process, so as to transmit a status report including packet loss information to the base station.
However, the random access procedure wastes time and resources, reducing access efficiency.
Disclosure of Invention
To solve the technical problem or at least partially solve the technical problem, the present disclosure provides a method, an apparatus, a terminal device, a base station, and a storage medium for transmitting a status report.
In a first aspect, the present disclosure provides a method of transmitting a status report, comprising:
receiving feedback information sent by terminal equipment, wherein the feedback information is used for indicating whether a data packet sent by a base station is received or not;
according to the feedback information, when the number of times that the terminal equipment does not receive the data packet sent by the base station is larger than or equal to a preset threshold value is determined, first uplink transmission resources are distributed to the terminal equipment;
sending first authorization information to the terminal device, where the first authorization information includes configuration information of the first uplink transmission resource, where the first authorization information is used to instruct the terminal device to send a first status report to the base station through the first uplink transmission resource;
and receiving a first status report sent by the terminal device through the first uplink transmission resource, wherein the first status report includes an identifier of a data packet which is not received by the terminal device.
In a second aspect, the present disclosure provides a method of transmitting a status report, comprising:
sending feedback information to a base station, wherein the feedback information is used for indicating whether terminal equipment receives a data packet sent by the base station;
receiving first authorization information sent by the base station, wherein the first authorization information comprises configuration information of a first uplink transmission resource; the first uplink transmission resource is allocated to the terminal equipment when the base station determines that the number of times that the terminal equipment does not receive the data packet sent by the base station is greater than or equal to a preset threshold value according to the feedback information, and the first authorization information is used for indicating the terminal equipment to send a first status report to the base station through the first uplink transmission resource;
and sending a first status report to the base station through the first uplink transmission resource, wherein the first status report comprises the identifier of the data packet which is not received by the terminal equipment.
In a third aspect, the present disclosure provides an apparatus for transmitting a status report, comprising:
the first receiving module is used for receiving feedback information sent by the terminal equipment, wherein the feedback information is used for indicating whether a data packet sent by a base station is received or not;
the allocation module is used for allocating a first uplink transmission resource to the terminal equipment when the number of times that the terminal equipment does not receive the data packet sent by the base station is greater than or equal to a preset threshold value is determined according to the feedback information;
a first sending module, configured to send first authorization information to the terminal device, where the first authorization information includes configuration information of the first uplink transmission resource, and the first authorization information is used to instruct the terminal device to send a first status report to the base station through the first uplink transmission resource;
a second receiving module, configured to receive a first status report sent by the terminal device through the first uplink transmission resource, where the first status report includes an identifier of a data packet that is not received by the terminal device.
In a fourth aspect, the present disclosure provides an apparatus for transmitting a status report, comprising:
a first sending module, configured to send feedback information to a base station, where the feedback information is used to indicate whether a terminal device receives a data packet sent by the base station;
a first receiving module, configured to receive first authorization information sent by the base station, where the first authorization information includes configuration information of a first uplink transmission resource; the first uplink transmission resource is allocated to the terminal equipment when the base station determines that the number of times that the terminal equipment does not receive the data packet sent by the base station is greater than or equal to a preset threshold value according to the feedback information, and the first authorization information is used for indicating the terminal equipment to send a first status report to the base station through the first uplink transmission resource;
a second sending module, configured to send a first status report to the base station through the first uplink transmission resource, where the first status report includes an identifier of a data packet that is not received by the terminal device.
In a fifth aspect, the present disclosure provides a base station, comprising:
at least one processor; and a memory communicatively coupled to the at least one processor; wherein the memory stores instructions executable by the at least one processor to enable the at least one processor to perform the method of the first aspect.
In a sixth aspect, the present disclosure provides a terminal device comprising:
at least one processor; and a memory communicatively coupled to the at least one processor; wherein the memory stores instructions executable by the at least one processor to enable the at least one processor to perform the method of the second aspect.
In a seventh aspect, the present disclosure provides a computer-readable storage medium having stored therein computer-executable instructions for implementing the method of transmitting status reports as described in the first aspect above when executed by a processor.
In an eighth aspect, the present disclosure provides a computer-readable storage medium having stored therein computer-executable instructions for implementing the method of transmitting status reports as described in the second aspect above when executed by a processor.
Compared with the prior art, the technical scheme provided by the embodiment of the disclosure has the following advantages:
the base station receives feedback information sent by the terminal equipment, and under the condition that packet loss occurs in a network according to the feedback information, the terminal equipment does not need to perform a random access process to request the first uplink transmission resource to upload the first status report, but when the base station determines that the number of times that the terminal equipment does not receive a data packet sent by the base station is greater than or equal to a preset threshold value through the feedback information, the base station judges that the terminal equipment needs the first uplink transmission resource to send the first status report, the base station actively allocates the first uplink transmission resource to the terminal equipment and sends first authorization information to the terminal equipment, and the terminal equipment can send the first status report to the base station through the first uplink transmission resource, so that the random access process of the terminal equipment is reduced, uplink scheduling is optimized, time and resources are saved, and the access efficiency is improved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present disclosure, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
FIG. 1 is a schematic diagram of a communication system architecture;
fig. 2 is a schematic diagram of a process of transmitting a status report in case of packet loss;
fig. 3 is a flowchart illustrating a method for transmitting a status report according to an embodiment of the disclosure;
fig. 4 is a flowchart illustrating another method for transmitting a status report according to an embodiment of the disclosure;
fig. 5 is a flowchart illustrating a further method for transmitting a status report according to an embodiment of the present disclosure;
fig. 6 is a schematic diagram illustrating a process in which a base station requests a terminal device to send a status report;
fig. 7 is a flowchart illustrating another method for transmitting a status report according to an embodiment of the present disclosure;
fig. 8 is a flowchart illustrating a further method for transmitting a status report according to an embodiment of the present disclosure;
fig. 9 is a schematic flow chart of another method for transmitting a status report according to an embodiment of the present disclosure;
fig. 10 is an interaction diagram of a method for transmitting a status report according to an embodiment of the present disclosure;
fig. 11 is an interaction diagram of another method for transmitting a status report according to an embodiment of the present disclosure;
fig. 12 is a schematic structural diagram of an apparatus for transmitting a status report according to an embodiment of the present disclosure;
fig. 13 is a schematic structural diagram of another apparatus for transmitting status reports according to an embodiment of the present disclosure;
fig. 14 is a schematic structural diagram of another apparatus for transmitting status reports according to an embodiment of the present disclosure;
fig. 15 is a schematic structural diagram of another apparatus for transmitting status reports according to an embodiment of the present disclosure;
fig. 16 is a schematic structural diagram of a base station according to an embodiment of the present disclosure;
fig. 17 is a schematic structural diagram of a terminal device according to an embodiment of the present disclosure;
fig. 18 is a schematic structural diagram of another base station provided in the embodiment of the present disclosure;
fig. 19 is a schematic structural diagram of another terminal device according to an embodiment of the present disclosure.
Detailed Description
In order that the above objects, features and advantages of the present invention may be more clearly understood, a solution of the present invention will be further described below. It should be noted that the embodiments of the present invention and features of the embodiments may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those described herein; it is to be understood that the embodiments described in this specification are only some embodiments of the invention, and not all embodiments.
Fig. 1 is a schematic diagram of a communication system architecture, and the method for transmitting status report provided by the present disclosure is applicable to the communication system architecture shown in fig. 1, as shown in fig. 1, the communication system includes: an access network device including a base station, and a plurality of terminal devices, which are assumed to include terminal device 1, terminal device 2, and terminal device 3 in the figure. The communication system is an NB-IoT network, and the terminal device may be a smart phone, a computer, a smoke sensor, a sensor for detecting combustible gas, and the like, a smart meter, a parking space detector, and the like, which is not limited herein.
Optionally, in a communication system architecture to which the present disclosure is applicable, the base station may be connected to a Mobility Management Entity (MME), where the MME is a key control node of a 3rd Generation Partnership Project (3 GPP) protocol Long Term Evolution (Long Term Evolution, LTE) access network, and is responsible for positioning and paging of idle mode terminal devices, including a relay, and the MME is responsible for a signaling processing portion. The MME may send downlink data to the base station, and the base station sends the downlink data to the terminal device.
Fig. 2 is a schematic diagram of a process of transmitting a status report under a packet loss condition, and an application scenario of the present disclosure is described below with reference to fig. 2: in an NB-IoT network, network transmission has a phenomenon that a terminal device does not receive a data packet sent by a base station, that is, a network packet loss phenomenon occurs, due to signal fading, channel blocking, a damaged data packet, an excessively high workload, and the like. When there is a packet loss, the terminal device needs to send a specific packet loss condition to the base station by using the uplink transmission resource, and the base station retransmits the data packet lost due to various reasons after judging the packet loss condition.
However, NB-IoT only supports contention-based random access and random access triggered by a Physical Downlink Control Channel (PDCCH) command, and does not support a Physical Uplink Control Channel (PUCCH) and a handover function, and the scenarios for triggering random access in the NB-IoT system may be 4: an initial access process in an idle state of Radio Resource Control (RRC for short); an RRC connection reestablishment procedure; in the RRC connected state, when receiving downlink data (at this time, the uplink is in an asynchronous state, which is also called uplink out-of-step); in the RRC connected state, when uplink data is transmitted (when uplink is out of synchronization or a scheduling request is triggered). As shown in fig. 2(a), in downlink data transmission, because packet loss may cause uplink desynchronization or a terminal device triggers a scheduling request, the terminal device may actively initiate a random access process 201 to request uplink transmission resources, the base station allocates a first uplink transmission resource to the terminal device, and sends first grant information, that is, "uplink grant" information shown in fig. 2(a), to the terminal device, and the terminal device may send a first status report 202 to the base station through the first uplink transmission resource. Since the NB-IoT is in half-duplex mode, that is, downlink scheduling cannot be performed when uplink scheduling is performed, and uplink scheduling cannot be performed when downlink scheduling is performed. Therefore, when a large amount of packet loss occurs, the terminal device needs to perform a random access process, which wastes time and resources and reduces access efficiency, and even the terminal device initiates a large amount of uplink scheduling in the random access process, and at this time, downlink cannot be performed, resulting in downlink disconnection.
In order to solve the above technical problem in the prior art, an embodiment of the present disclosure provides a method for transmitting a status report, as shown in fig. 2(B), when the number of times that a terminal device does not receive a data packet sent by a base station is greater than or equal to a preset threshold, the base station actively allocates a first uplink transmission resource to the terminal device, and sends uplink authorization information to the terminal device, and the terminal device can send a first status report 202 to the base station through the first uplink transmission resource, thereby reducing a random access process 201 of the terminal device, saving time and resources, and improving access efficiency. The method of the present disclosure is illustrated below in specific examples.
Fig. 3 is a schematic flowchart of a method for transmitting a status report according to an embodiment of the present disclosure, and as shown in fig. 3, the method according to this embodiment includes:
s301, the base station receives feedback information sent by the terminal equipment, and the feedback information is used for indicating whether a data packet sent by the base station is received.
The base station sends a plurality of data packets to the terminal device, where for each data packet, the terminal device sends a feedback message to the base station, where the feedback message is used to notify the base station whether the terminal device receives the data packet, and the feedback message may be, for example, an Acknowledgement (ACK) or a NON-acknowledgement (NACK).
Illustratively, when the base station needs to send a plurality of data packets to the terminal device, the base station may send one data packet of the plurality of data packets to the terminal device each time according to the sequence of the data packets in the plurality of data packets, and then wait for the feedback information sent by the terminal device, optionally, a certain frame number may be set for representing the feedback information, a signal of the frame number is default to logic 0, after the terminal device receives one data packet, the signal of the frame number is set to logic 1 for representing ACK, it can be understood that, when the terminal device does not receive a data packet, the frame number signal is default to logic 0, wherein, a waiting duration for waiting for the feedback information may be set, within the waiting duration, if the base station receives ACK, the base station considers that the terminal device receives the data packet, the base station continues to send the next data packet to the terminal device, if the base station does not receive ACK, that is NACK is received, and the base station retransmits the current data packet to the terminal equipment when the terminal equipment does not receive the data packet, namely packet loss occurs, and so on, and when the preset maximum retransmission times is reached, the base station transmits the next data packet to the terminal equipment no matter whether the terminal equipment receives the current data packet or not. Alternatively, the maximum retransmission number may be set to any value, for example, may be set to 5, and the disclosure is not limited thereto.
S302, when the base station determines that the number of times that the terminal equipment does not receive the data packet sent by the base station is greater than or equal to a preset threshold value according to the feedback information, first uplink transmission resources are allocated to the terminal equipment.
According to the feedback information, in a possible implementation manner, when the number of times that the terminal device does not receive the data packet sent by the base station is determined to be greater than or equal to the preset threshold, the base station can determine that the current downlink transmission link signal is bad, even the downlink transmission link signal is disconnected. In another possible implementation manner, when it is determined that the number of times that the terminal device does not receive the data packet sent by the base station is greater than the preset threshold, it may be determined that the current downlink transmission link signal is not good, or even the current downlink transmission link signal is disconnected. At this time, the base station actively allocates the first uplink transmission resource to the terminal device. The preset threshold may be set according to an actual application scenario, and may be set to be an integer greater than 1, which is not limited in this disclosure, and further, the preset threshold may be set to be an integer greater than or equal to 1 and less than or equal to 16, for example, the preset threshold may be set to be 4. The first uplink transmission resource is used for the terminal equipment to send a first status report to the base station.
Optionally, the size of the first uplink transmission resource allocated by the base station may be determined according to parameters such as a packet loss rate and/or a maximum retransmission number of a data packet. The transmission resources of the base station are limited, and it can be understood that the larger the first uplink transmission resource is, the more transmission resources will be occupied by data transmission while enough transmission resources are ensured to complete the data transmission, and the more the other terminal devices are affected to complete the data transmission by using the transmission resources; the smaller the first uplink transmission resource is, the more the terminal device needs to apply for the uplink transmission resource, the more the first uplink transmission resource may not meet the requirement of the terminal device for sending data.
Optionally, the first uplink transmission resource may be a Buffer Status Report (BSR) resource.
S303, the base station sends a first authorization message to the terminal device, where the first authorization message includes configuration information of the first uplink transmission resource.
The base station sends first authorization information to the terminal equipment, wherein the first authorization information is used for indicating the terminal equipment to send a first status report to the base station through the first uplink transmission resource.
S304, the base station receives a first status report sent by the terminal equipment through the first uplink transmission resource, wherein the first status report comprises the identification of the data packet which is not received by the terminal equipment.
And after receiving the first authorization information sent by the base station, the terminal equipment sends the identification of the data packet which is not received to the base station through the first uplink transmission resource.
Optionally, the data packet sent by the base station to the terminal device has an identifier of the data packet, the terminal device may determine whether there is an unreceived data packet according to the identifier of the received data packet sent by the base station, and when it is determined that there is an unreceived data packet, determine the identifier of the unreceived data packet, for example, consecutive numbers may be used to identify the data packet, assuming that the base station sends the data packet with the identifier of 1-10 to the terminal device, and the terminal device receives the data packets with the identifiers of 1, 8, 9, and 10, and then the terminal device determines, according to the identifier of the already received data packet, that the data packet with the identifier of 2, 3, 4, 5, 6, and 7 is not received, and then sends the identifiers of 2, 3, 4, 5, 6, and 7 to the base station. After receiving the identifier, the base station retransmits the data packets identified as 2, 3, 4, 5, 6 and 7 to the terminal device.
In this embodiment, the base station receives feedback information sent by the terminal device, and according to the feedback information, when a packet loss occurs in the network, the terminal device does not need to perform a random access process to request the first uplink transmission resource to upload the first status report, but the base station determines that the number of times that the terminal device does not receive a data packet sent by the base station is greater than or equal to a preset threshold value through the feedback information, and determines that the terminal device needs the first uplink transmission resource to send the first status report, and the base station actively allocates the first uplink transmission resource to the terminal device and sends first authorization information to the terminal device, and the terminal device can directly send the first status report to the base station through the first uplink transmission resource, thereby reducing a random access process of the terminal device, optimizing uplink scheduling, saving time and resources, and improving access efficiency.
On the basis of the above embodiment, further, S302 may be implemented in the following two possible ways.
In a possible implementation manner, fig. 4 is a schematic flowchart of another method for transmitting a status report according to an embodiment of the present disclosure, and fig. 4 is based on the embodiment shown in fig. 3, and further, as shown in fig. 4, S302 includes S3021:
and S3021, when the base station determines that the number of times that the terminal device continuously receives the data packet sent by the base station is greater than or equal to a preset threshold value according to the feedback information, allocating a first uplink transmission resource to the terminal device.
The base station counts the number of times that the terminal device does not receive the data packet sent by the base station continuously through the received feedback information, for example, the base station counts the number of times that the terminal device receives continuous NACK, and when the count value of the continuous NACK is greater than or equal to a preset threshold, it is considered that the current downlink transmission quality is low, even the downlink is disconnected, and the base station allocates the first uplink transmission resource to the terminal device.
Illustratively, counting the number of times that the terminal device continuously does not receive the data packet sent by the base station may be implemented by the following steps: if the feedback information comprises NACK, starting counting, and if the next feedback information comprises NACK, increasing the count value by 1; if the next feedback information includes ACK, the count value is set to 0. And if the NACK number in the continuous feedback information meets a preset threshold value, finishing counting.
In this embodiment, when the base station determines that the number of times that the terminal device continuously receives a data packet sent by the base station is greater than or equal to the preset threshold according to the feedback information, it is determined that the terminal device needs the first uplink transmission resource to send the first status report, the base station actively allocates the first uplink transmission resource to the terminal device, and the terminal device can directly send the first status report to the base station through the first uplink transmission resource, so that the random access process of the terminal device is reduced, uplink scheduling is optimized, time and resources are saved, and access efficiency is improved.
In another possible implementation manner, fig. 5 is a schematic flowchart of a method for transmitting a status report according to another embodiment of the present disclosure, and fig. 5 is based on the embodiment shown in fig. 3, and further as shown in fig. 5, S302 includes S3022:
and S3022, according to the feedback information, when it is determined that the number of times that the terminal device does not receive the data packet sent by the base station within the first preset time is greater than or equal to a preset threshold, allocating a first uplink transmission resource to the terminal device.
And in a first preset time, the base station counts the number of times of not receiving the data packet sent by the base station through the received feedback information, wherein the first preset time is set in advance, and the setting of the first preset time is not limited in the disclosure. Illustratively, the base station counts the number of times of NACK received within a first preset time, and when the count value of NACK within the first preset time is greater than or equal to a preset threshold, it considers that the current downlink transmission quality is low, and the base station allocates a first uplink transmission resource to the terminal device.
In this embodiment, when the base station determines that the number of times that the terminal device does not receive the data packet sent by the base station within the first preset time is greater than or equal to the preset threshold according to the feedback information, it is determined that the terminal device needs the first uplink transmission resource to send the first status report, the base station actively allocates the first uplink transmission resource to the terminal device, and the terminal device can directly send the first status report to the base station through the first uplink transmission resource, thereby reducing the random access process of the terminal device, optimizing uplink scheduling, saving time and resources, and improving access efficiency.
Fig. 6 is a schematic diagram of a process in which a base station requests a terminal device to send a status report, and in order to reduce the random access process of the terminal device and achieve the purpose of saving time and resources, the present disclosure optimizes the existing uplink transmission status report process.
As shown in fig. 6(a) in the prior art, in the process of data transmission between a base station and a terminal device, every second preset time, a data packet sent by the base station to the terminal device includes a request instruction of a status report, where the request instruction of the status report is used to request the status report of the terminal device within the second preset time, for example, when an upload status report flag POLL shown in fig. 6(a) is equal to 1, it indicates that the terminal device is requested to send the status report, after receiving the request instruction of the status report, the terminal device needs to initiate a random access process 601 to request uplink transmission resources, the base station allocates second uplink transmission resources for the terminal device, and sends uplink grant information to the terminal device, and the terminal device may send a second status report 602 to the base station. However, such random access procedure wastes time and resources.
In order to solve the above technical problem in the prior art, an embodiment of the present disclosure provides a method for transmitting a status report, as shown in fig. 6(B), when a base station needs a terminal device to send a status report every second preset time, the base station actively allocates a second uplink transmission resource to the terminal device, and sends uplink authorization information carrying configuration information of the second uplink transmission resource to the terminal device, and the terminal device can send a second status report 602 to the base station through the second uplink transmission resource, thereby reducing a random access process 601 of the terminal device, optimizing uplink scheduling, and saving time and resources. The methods of the embodiments of the present disclosure are illustrated in the following specific examples.
Fig. 7 is a schematic flowchart of another method for transmitting a status report according to an embodiment of the present disclosure, and as shown in fig. 7, an execution subject of the embodiment is a base station, and the method according to the embodiment includes:
and S701, allocating second uplink transmission resources to the terminal equipment at intervals of second preset time.
S702, the base station sends second authorization information to the terminal equipment, wherein the second authorization information comprises configuration information of a second uplink transmission resource.
And the base station allocates a second uplink transmission resource for the terminal equipment every second preset time, wherein the second uplink transmission resource is used for the terminal equipment to send a second status report to the base station, the base station sends second authorization information to the terminal equipment, and the second authorization information is used for indicating the terminal equipment to send the second status report to the base station through the second uplink transmission resource. The second preset time may be determined by the base station according to the current service rate; or may be set in advance, and the disclosure is not limited thereto.
Optionally, the size of the second uplink transmission resource allocated by the base station may be determined according to parameters such as a packet loss rate and/or a maximum retransmission number of the data packet. The transmission resources of the base station are limited, and it can be understood that the larger the second uplink transmission resource is, the more transmission resources will be occupied by data transmission while enough transmission resources are ensured to complete the data transmission, and the more the other terminal devices are affected to complete the data transmission by using the transmission resources; the smaller the second uplink transmission resource is, the less the second uplink transmission resource may meet the requirement of the terminal device for sending data, and the terminal device needs to apply for more uplink transmission resources.
Optionally, the second uplink transmission resource may be a BSR resource.
S703, the base station receives a second status report sent by the terminal device through the second uplink transmission resource, where the second status report includes an identifier of a data packet that is not received by the terminal device.
And after receiving the second authorization information sent by the base station, the terminal equipment sends the identification of the data packet which is not received to the base station through the second uplink transmission resource.
Optionally, the data packet sent by the base station to the terminal device has an identifier of the data packet, and the terminal device may determine the identifier of the data packet that is not received according to the received identifier of the data packet sent by the base station.
In this embodiment, every second preset time, the base station needs the terminal device to send a second status report, actively allocates a second uplink transmission resource to the terminal device, and sends second authorization information to the terminal device, where the second authorization information includes configuration information of the second uplink transmission resource, and the terminal device can send the second status report to the base station through the second uplink transmission resource.
Optionally, before S702, the method further includes:
and the base station sends a zone bit to the terminal equipment, wherein the zone bit is used for indicating the terminal equipment to receive the second authorization information.
And the base station sends the zone bit to the terminal equipment, and the terminal equipment waits for receiving the second authorization information after receiving the zone bit, so that the second status report is sent to the base station.
Optionally, the data packet sent by the base station to the terminal device includes a flag bit, where the flag bit may be a POLL flag bit, and for example, when the POLL flag bit is 1, it indicates that the terminal device needs to receive the second authorization information.
It should be noted that, the embodiment shown in fig. 7 may be executed independently, or may be executed in combination with any of the embodiments shown in fig. 3 to fig. 5, and when the execution of S701, S702, and S703 is executed in a non-sequential order, or may be a parallel order, or when the number of times that the base station determines that the terminal device does not receive the data packet sent by the base station is greater than or equal to a preset threshold value in S302, S701, S702, and S703 may be executed, which is not limited in this disclosure.
In this embodiment, the base station sends the flag bit to the terminal device to prompt the terminal device to receive the second authorization information sent by the base station, the base station actively allocates the second uplink transmission resource to the terminal device and sends the second authorization information to the terminal device, the second authorization information includes configuration information of the second uplink transmission resource, and the terminal device can send the second status report to the base station through the second uplink transmission resource.
Fig. 8 is a flowchart illustrating a further method for transmitting a status report according to an embodiment of the present disclosure, where as shown in fig. 8, the method of the present embodiment is executed by a terminal device, and the method of the present embodiment includes:
s801, sending feedback information to the base station, wherein the feedback information is used for indicating whether the terminal equipment receives the data packet sent by the base station.
S802, receiving first authorization information sent by the base station, wherein the first authorization information comprises configuration information of a first uplink transmission resource.
The first uplink transmission resource is allocated to the terminal equipment when the base station determines that the number of times that the terminal equipment does not receive the data packet sent by the base station is greater than or equal to a preset threshold value according to the feedback information, and the first authorization information is used for indicating the terminal equipment to send a first status report to the base station through the first uplink transmission resource.
S803, sending a first status report to the base station through the first uplink transmission resource, where the first status report includes an identifier of a data packet that is not received by the terminal device.
Optionally, the first uplink transmission resource is allocated to the terminal device when the base station determines, according to the feedback information, that the number of times that the terminal device continuously does not receive the data packet sent by the base station is greater than or equal to a preset threshold, or when the number of times that the terminal device does not receive the data packet sent by the base station within a first preset time is greater than or equal to the preset threshold.
The implementation principle and the technical effect of the method of the present embodiment have been discussed in the above embodiments, and are not described herein again.
Fig. 9 is a schematic flowchart of a further method for transmitting a status report according to an embodiment of the present disclosure, as shown in fig. 9, where the method of the present embodiment is executed by a terminal device, and the method of the present embodiment includes:
s901, receiving second authorization information sent by the base station.
The second authorization information includes configuration information of a second uplink transmission resource, the second uplink transmission resource is allocated by the base station for the terminal device, and the second authorization information is used for instructing the terminal device to send a second status report to the base station through the second uplink transmission resource.
And S902, sending a second status report to the base station through a second uplink transmission resource.
And the second status report comprises the identification of the data packet which is not received by the terminal equipment.
The implementation principle and the technical effect of the method of the present embodiment have been discussed in the above embodiments, and are not described herein again.
It should be noted that, the embodiment shown in fig. 9 may be executed independently, or may be executed in combination with the embodiment shown in fig. 8, and when the embodiment is executed in combination, it is understood that the execution of S901 and S902 and the execution of S801, S802, and S803 do not have a sequential order, but may be a parallel order, which is not limited to this disclosure.
Fig. 10 is an interaction schematic diagram of a method for transmitting a status report according to an embodiment of the present disclosure, as shown in fig. 10, the method according to the embodiment includes:
s101, the terminal equipment sends feedback information to the base station, wherein the feedback information is used for indicating whether a data packet sent by the base station is received.
And S102, when the base station determines that the times that the terminal equipment does not receive the data packet sent by the base station are greater than or equal to a preset threshold value according to the feedback information, allocating a first uplink transmission resource for the terminal equipment.
S103, the base station sends first authorization information to the terminal equipment, wherein the first authorization information comprises configuration information of the first uplink transmission resource.
S104, the terminal equipment sends a first status report to the base station through the first uplink transmission resource, wherein the first status report comprises the identification of the data packet which is not received by the terminal equipment.
The implementation principle and the technical effect of the method of the present embodiment have been discussed in the above embodiments, and are not described herein again.
Fig. 11 is an interaction diagram of another method for transmitting a status report according to an embodiment of the present disclosure, and as shown in fig. 11, the method according to the embodiment includes:
and S111, the base station allocates a first uplink transmission resource for the terminal equipment every second preset time.
S112, the base station sends second authorization information to the terminal equipment, wherein the second authorization information comprises configuration information of second uplink transmission resources.
And S123, the terminal equipment sends a second status report to the base station through the second uplink transmission resource, wherein the second status report contains the identifier of the data packet which is not received by the terminal equipment.
The implementation principle and the technical effect of the method of the present embodiment have been discussed in the above embodiments, and are not described herein again.
Fig. 12 is a schematic structural diagram of an apparatus for transmitting a status report according to an embodiment of the present disclosure, and as shown in fig. 12, the apparatus according to the embodiment includes:
a first receiving module 801, configured to receive feedback information sent by a terminal device, where the feedback information is used to indicate whether a data packet sent by a base station is received;
an allocating module 802, configured to allocate a first uplink transmission resource to a terminal device when determining, according to the feedback information, that a number of times that the terminal device does not receive a data packet sent by the base station is greater than or equal to a preset threshold;
a first sending module 803, configured to send first authorization information to a terminal device, where the first authorization information includes configuration information of a first uplink transmission resource, and the first authorization information is used to instruct the terminal device to send a first status report to a base station through the first uplink transmission resource;
a second receiving module 804, configured to receive a first status report sent by the terminal device through the first uplink transmission resource, where the first status report includes an identifier of a data packet that is not received by the terminal device.
Optionally, the allocating module 802 is specifically configured to:
and according to the feedback information, when the number of times that the terminal equipment continuously does not receive the data packet sent by the base station is determined to be greater than or equal to a preset threshold value, allocating a first uplink transmission resource for the terminal equipment.
Optionally, the allocating module 802 is specifically configured to:
and according to the feedback information, when the frequency that the terminal equipment does not receive the data packet sent by the base station within the first preset time is determined to be greater than or equal to a preset threshold value, allocating a first uplink transmission resource for the terminal equipment.
Optionally, the apparatus further comprises:
the allocation module is further used for allocating a second uplink transmission resource to the terminal equipment at intervals of a second preset time;
a second sending module, configured to send second authorization information to the terminal device, where the second authorization information includes configuration information of a second uplink transmission resource;
and a third receiving module, configured to receive a second status report sent by the terminal device through the second uplink transmission resource, where the second status report includes an identifier of a data packet that is not received by the terminal device.
Optionally, the apparatus further comprises:
and the third sending module is used for sending a zone bit to the terminal equipment, and the zone bit is used for indicating the terminal equipment to receive the second authorization information.
Fig. 13 is a schematic structural diagram of another apparatus for transmitting a status report according to an embodiment of the present disclosure, and as shown in fig. 13, the apparatus according to the embodiment includes:
a first sending module 131, configured to send feedback information to the base station, where the feedback information is used to indicate whether the terminal device receives a data packet sent by the base station;
a first receiving module 132, configured to receive first authorization information sent by a base station, where the first authorization information includes configuration information of a first uplink transmission resource; the first uplink transmission resource is allocated to the terminal equipment when the base station determines that the number of times that the terminal equipment does not receive the data packet sent by the base station is greater than or equal to a preset threshold value according to the feedback information, and the first authorization information is used for indicating the terminal equipment to send a first status report to the base station through the first uplink transmission resource;
a second sending module 133, configured to send a first status report to the base station through the first uplink transmission resource, where the first status report includes an identifier of a data packet that is not received by the terminal device.
Optionally, the first uplink transmission resource is allocated to the terminal device when the base station determines, according to the feedback information, that the number of times that the terminal device continuously receives a data packet sent by the base station is greater than or equal to a preset threshold.
Optionally, the first uplink transmission resource is allocated to the terminal device when the base station determines, according to the feedback information, that the number of times that the terminal device does not receive the data packet sent by the base station within the first preset time is greater than or equal to a preset threshold.
Optionally, the apparatus further comprises:
a second receiving module, configured to receive second authorization information sent by the base station, where the second authorization information includes configuration information of a second uplink transmission resource; the second uplink transmission resource is allocated to the terminal equipment by the base station, and the second authorization information is used for indicating the terminal equipment to send a second status report to the base station through the second uplink transmission resource;
and a third sending module, configured to send a second status report to the base station through the second uplink transmission resource, where the second status report includes an identifier of a data packet that is not received by the terminal device.
Optionally, the apparatus further comprises:
and the third receiving module is used for receiving the zone bit sent by the base station, and the zone bit is used for indicating the terminal equipment to receive the second authorization information.
Fig. 14 is a schematic structural diagram of another apparatus for transmitting a status report according to an embodiment of the present disclosure, and as shown in fig. 14, the apparatus according to the embodiment includes:
an allocating module 141, configured to allocate uplink transmission resources to the terminal device every preset time;
a first sending module 142, configured to send authorization information to the terminal device at preset time intervals, where the authorization information includes configuration information of an uplink transmission resource, and the second authorization information is used to instruct the terminal device to send a second status report to the base station through a second uplink transmission resource;
a receiving module 143, configured to receive a status report sent by the terminal device through the uplink transmission resource, where the status report includes an identifier of a data packet that is not received by the terminal device.
Optionally, the apparatus further comprises:
and the second sending module is used for sending a zone bit to the terminal equipment, and the zone bit is used for indicating the terminal equipment to receive the authorization information.
Fig. 15 is a schematic structural diagram of another apparatus for transmitting a status report according to an embodiment of the present disclosure, and as shown in fig. 15, the apparatus according to this embodiment includes:
a first receiving module 151, configured to receive authorization information sent by a base station, where the authorization information includes configuration information of uplink transmission resources, and the uplink transmission resources are allocated by the base station for a terminal device;
a sending module 152, configured to send a status report to the base station through the uplink transmission resource, where the status report includes an identifier of a data packet that is not received by the terminal device.
Optionally, the apparatus further comprises:
and the second receiving module is used for receiving the zone bit sent by the base station, and the zone bit is used for indicating the terminal equipment to receive the authorization information.
Fig. 16 is a schematic structural diagram of a base station according to an embodiment of the present disclosure, and as shown in fig. 16, the base station according to the embodiment includes:
at least one processor 161; and a memory 162 communicatively coupled to the at least one processor.
Wherein the memory 162 stores instructions executable by the at least one processor 161, the instructions being executable by the at least one processor 161 to enable the at least one processor 161 to perform the method of any of the embodiments described above with reference to fig. 3-5, and 7.
Fig. 17 is a schematic structural diagram of a terminal device according to an embodiment of the present disclosure, and as shown in fig. 17, the terminal device according to this embodiment includes:
at least one processor 171; and a memory 172 communicatively coupled to the at least one processor.
The memory 172 stores instructions executable by the at least one processor 171, and the instructions are executed by the at least one processor 171 to enable the at least one processor 171 to perform the method of the embodiment shown in fig. 8.
Fig. 18 is a schematic structural diagram of another base station provided in the embodiment of the present disclosure, and as shown in fig. 18, the base station provided in the embodiment includes:
at least one processor 181; and a memory 182 communicatively coupled to the at least one processor.
The memory 182 stores instructions executable by the at least one processor 181, and the instructions are executed by the at least one processor 181 to enable the at least one processor 181 to perform the method of the embodiment shown in fig. 7.
Fig. 19 is a schematic structural diagram of another terminal device provided in the embodiment of the present disclosure, and as shown in fig. 19, the terminal device provided in this embodiment includes:
at least one processor 191; and a memory 192 communicatively coupled to the at least one processor.
The memory 192 stores instructions executable by the at least one processor 191, and the instructions are executable by the at least one processor 191 to enable the at least one processor 191 to perform the method of the embodiment of fig. 11.
The embodiment of the present disclosure provides a computer-readable storage medium, in which computer-executable instructions are stored, and when the computer-executable instructions are executed by a processor, the method for transmitting a status report is implemented as in any one of fig. 3 to 5 and 7.
The disclosed embodiments provide a computer-readable storage medium having stored therein computer-executable instructions for implementing the method of transmitting status reports as described above in fig. 8 when executed by a processor.
The disclosed embodiments provide a computer-readable storage medium having stored thereon computer-executable instructions for implementing the method of transmitting status reports as described above in fig. 7 when executed by a processor.
The disclosed embodiments provide a computer-readable storage medium having stored therein computer-executable instructions for implementing the method of transmitting status reports as described above in fig. 11 when executed by a processor.
It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The foregoing are merely exemplary embodiments of the present disclosure, which enable those skilled in the art to understand or practice the present disclosure. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the disclosure. Thus, the present disclosure is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (14)
1. A method of transmitting a status report, comprising:
receiving feedback information sent by terminal equipment, wherein the feedback information is used for indicating whether a data packet sent by a base station is received or not;
according to the feedback information, when the number of times that the terminal equipment does not receive the data packet sent by the base station is larger than or equal to a preset threshold value is determined, first uplink transmission resources are distributed to the terminal equipment;
sending first authorization information to the terminal device, where the first authorization information includes configuration information of the first uplink transmission resource, where the first authorization information is used to instruct the terminal device to send a first status report to the base station through the first uplink transmission resource;
and receiving a first status report sent by the terminal device through the first uplink transmission resource, wherein the first status report includes an identifier of a data packet which is not received by the terminal device.
2. The method of claim 1, wherein the allocating a first uplink transmission resource to the terminal device when determining, according to the feedback information, that the number of times that the terminal device does not receive the data packet sent by the base station is greater than or equal to a preset threshold value comprises:
according to the feedback information, when the number of times that the terminal equipment continuously does not receive the data packet sent by the base station is larger than or equal to a preset threshold value is determined, first uplink transmission resources are allocated to the terminal equipment;
alternatively, the first and second electrodes may be,
and according to the feedback information, when the frequency that the terminal equipment does not receive the data packet sent by the base station within the first preset time is determined to be greater than or equal to a preset threshold value, allocating a first uplink transmission resource for the terminal equipment.
3. The method of claim 1 or 2, further comprising:
allocating a second uplink transmission resource to the terminal equipment at intervals of a second preset time;
sending second authorization information to the terminal device, where the second authorization information includes configuration information of the second uplink transmission resource, and the second authorization information is used to instruct the terminal device to send a second status report to the base station through the second uplink transmission resource;
and receiving a second status report sent by the terminal device through the second uplink transmission resource, wherein the second status report includes an identifier of a data packet which is not received by the terminal device.
4. The method of claim 3, wherein before sending the second authorization information to the terminal device, further comprising:
and sending a zone bit to the terminal equipment, wherein the zone bit is used for indicating the terminal equipment to receive the second authorization information.
5. A method of transmitting a status report, comprising:
sending feedback information to a base station, wherein the feedback information is used for indicating whether terminal equipment receives a data packet sent by the base station;
receiving first authorization information sent by the base station, wherein the first authorization information comprises configuration information of a first uplink transmission resource; the first uplink transmission resource is allocated to the terminal equipment when the base station determines that the number of times that the terminal equipment does not receive the data packet sent by the base station is greater than or equal to a preset threshold value according to the feedback information, and the first authorization information is used for indicating the terminal equipment to send a first status report to the base station through the first uplink transmission resource;
and sending a first status report to the base station through the first uplink transmission resource, wherein the first status report comprises the identifier of the data packet which is not received by the terminal equipment.
6. The method according to claim 5, wherein the first uplink transmission resource is allocated to the terminal device when the base station determines, according to the feedback information, that the number of times that the terminal device has not continuously received the data packet sent by the base station is greater than or equal to a preset threshold, or when the number of times that the terminal device has not received the data packet sent by the base station within a first preset time is greater than or equal to a preset threshold.
7. The method of claim 5 or 6, further comprising:
receiving second authorization information sent by a base station, wherein the second authorization information comprises configuration information of a second uplink transmission resource; the second uplink transmission resource is allocated to the terminal equipment by the base station;
and sending a second status report to the base station through the second uplink transmission resource, wherein the second status report comprises the identifier of the data packet which is not received by the terminal equipment.
8. The method of claim 7, wherein before the receiving the second authorization information sent by the base station, the method further comprises:
and receiving a zone bit sent by the base station, wherein the zone bit is used for indicating the terminal equipment to receive the second authorization information.
9. An apparatus for transmitting a status report, comprising:
the first receiving module is used for receiving feedback information sent by the terminal equipment, wherein the feedback information is used for indicating whether a data packet sent by a base station is received or not;
the allocation module is used for allocating a first uplink transmission resource to the terminal equipment when the number of times that the terminal equipment does not receive the data packet sent by the base station is greater than or equal to a preset threshold value is determined according to the feedback information;
a first sending module, configured to send first authorization information to the terminal device, where the first authorization information includes configuration information of the first uplink transmission resource, and the first authorization information is used to instruct the terminal device to send a first status report to the base station through the first uplink transmission resource;
a second receiving module, configured to receive a first status report sent by the terminal device through the first uplink transmission resource, where the first status report includes an identifier of a data packet that is not received by the terminal device.
10. An apparatus for transmitting a status report, comprising:
a first sending module, configured to send feedback information to a base station, where the feedback information is used to indicate whether a terminal device receives a data packet sent by the base station;
a first receiving module, configured to receive first authorization information sent by the base station, where the first authorization information includes configuration information of a first uplink transmission resource; the first uplink transmission resource is allocated to the terminal equipment when the base station determines that the number of times that the terminal equipment does not receive the data packet sent by the base station is greater than or equal to a preset threshold value according to the feedback information, and the first authorization information is used for indicating the terminal equipment to send a first status report to the base station through the first uplink transmission resource;
a second sending module, configured to send a first status report to the base station through the first uplink transmission resource, where the first status report includes an identifier of a data packet that is not received by the terminal device.
11. A base station, comprising:
at least one processor; and a memory communicatively coupled to the at least one processor; wherein the memory stores instructions executable by the at least one processor to enable the at least one processor to perform the method of any one of claims 1 to 4.
12. A terminal device, comprising:
at least one processor; and a memory communicatively coupled to the at least one processor; wherein the memory stores instructions executable by the at least one processor to enable the at least one processor to perform the method of any one of claims 5 to 8.
13. A computer-readable storage medium having computer-executable instructions stored thereon, which when executed by a processor, implement the method of transmitting status reports of any one of claims 1 to 4.
14. A computer-readable storage medium having stored thereon computer-executable instructions for implementing the method of transmitting status reports of any one of claims 5 to 8 when executed by a processor.
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