CN116266956A

CN116266956A - Uplink data transmission method, device, terminal equipment and storage medium

Info

Publication number: CN116266956A
Application number: CN202111537673.7A
Authority: CN
Inventors: 王德乾; 张华�; 刘水
Original assignee: Beijing Xiaomi Mobile Software Co Ltd
Current assignee: Beijing Xiaomi Mobile Software Co Ltd
Priority date: 2021-12-15
Filing date: 2021-12-15
Publication date: 2023-06-20
Also published as: WO2023108996A1

Abstract

The disclosure relates to an uplink data transmission method, an uplink data transmission device, a terminal device and a storage medium, wherein the method comprises the following steps: determining a quality parameter in a current retransmission state; determining a target retransmission state to be migrated according to the quality parameter in the current retransmission state; in each retransmission state, the uplink retransmission times corresponding to at least one retransmission state are smaller than the reference uplink retransmission times indicated by the network equipment; and carrying out uplink data transmission according to the target uplink retransmission times corresponding to the target retransmission state. In the method disclosed by the disclosure, the terminal equipment dynamically determines the target retransmission state and the target uplink retransmission times according to the actual data transmission condition, so that the uplink retransmission times are dynamically adjusted. Compared with the prior art that the terminal equipment performs multiple rounds of continuous and repeated data retransmission, the number of times of retransmission of the terminal equipment can be obviously reduced, so that uplink resources and power consumption of the terminal equipment are effectively saved.

Description

Uplink data transmission method, device, terminal equipment and storage medium

Technical Field

The present disclosure relates to the field of communications, and in particular, to an uplink data transmission method, an uplink data transmission device, a terminal device, and a storage medium.

Background

With the development of communication technology, a terminal device such as a mobile phone may support a plurality of wireless mobile communication networks based on 3GPP protocol specifications, including: new Radio (NR), long term Evolution (long term Evolution, LTE), LTE frequency Division duplexing (frequency Division duplex, LTE-FDD), time Division synchronous code Division multiple access (Time Division-Synchronous Code Division Multiple Access, TD-SCDMA), wideband code Division multiple access (Wideband Code Division Multiple Access, WCDMA), evolution-Data Optimized (EVDO), code Division multiple access (Code Division Multiple Access, cdma 2000), global system for mobile communications (Global System for Mobile Communications, GSM), and the like.

In LTE, a high-definition call or a Long-term evolution Voice-over-evolution (LTE) service may use Semi-persistent scheduling (Semi-Persistent Scheduling, SPS) to perform packet data transmission.

As mobile networks evolve, the voice load of VoLTE increases, and the speed of circuit switched (CircuitSwitched, CS) domain migration to VoLTE increases further. In addition, with the development of instant messaging service and live broadcast service, more and more services will use SPS scheduling mode.

The physical layer of the 3GPP protocol specifies a plurality of continuous retransmission modes of SPS, and in the related art, the terminal device may perform multiple rounds of data retransmission, and each round of data retransmission is performed continuously. The retransmission method in the related art seriously wastes uplink transmission resources and power consumption of the terminal equipment.

Disclosure of Invention

In order to overcome the problems in the related art, the present disclosure provides an uplink data transmission method, an uplink data transmission device, a terminal device, and a storage medium.

According to a first aspect of an embodiment of the present disclosure, an uplink data transmission method is provided, applied to a terminal device, and the method includes:

determining a quality parameter in a current retransmission state;

determining a target retransmission state to be migrated according to the quality parameter in the current retransmission state; in each retransmission state, the uplink retransmission times corresponding to at least one retransmission state are smaller than the reference uplink retransmission times indicated by the network equipment;

and carrying out uplink data transmission according to the target uplink retransmission times corresponding to the target retransmission state.

Optionally, the determining the target retransmission state to be migrated according to the quality parameter in the current retransmission state includes:

and determining a target retransmission state according to the quality parameter and the corresponding quality parameter threshold.

Optionally, the quality parameter includes at least one of:

signal-to-noise ratio, uplink scheduling rate, and uplink block error rate;

the quality parameter threshold includes at least one of: a signal-to-noise ratio threshold, an uplink scheduling rate threshold, and an uplink block error rate threshold.

Optionally, the method further comprises:

determining at least one quality parameter threshold corresponding to the current retransmission state according to pre-stored configuration information;

wherein, the configuration information comprises a mapping relation between a retransmission state and a quality parameter threshold; in the configuration information, the quality parameter threshold corresponding to each retransmission state arranged according to the sequence of the retransmission times from large to small satisfies the following conditions: the quality parameter threshold value, which is positively correlated with the channel transmission quality, is gradually increased and/or the quality parameter threshold value, which is negatively correlated with the channel transmission quality, is gradually decreased.

Optionally, the relationship of the quality parameter threshold for each retransmission state satisfies at least one of the following:

the quality parameter threshold comprises a first signal-to-noise ratio threshold, and the first signal-to-noise ratio threshold corresponding to each retransmission state arranged in sequence from big to small according to the retransmission times is gradually increased;

the quality parameter threshold comprises a first scheduling rate threshold, and the first scheduling rate threshold corresponding to each retransmission state arranged in sequence from big to small according to the retransmission times is gradually reduced;

The quality parameter threshold comprises a first block error rate threshold, and the first block error rate threshold corresponding to each retransmission state arranged in sequence from big to small according to the retransmission times is gradually reduced.

Optionally, the determining the target retransmission state according to the quality parameter and the corresponding quality parameter threshold includes:

in response to the quality parameter and the quality parameter threshold meeting a first condition, determining the target retransmission state as: a next retransmission state adjacent to the current retransmission state;

and in response to the quality parameter and the quality parameter threshold meeting a second condition, determining the target retransmission state as: a last retransmission state adjacent to the current retransmission state;

wherein the first condition is for characterizing: the channel transmission quality of the current retransmission state is superior to the quality represented by the quality parameter threshold; the second condition is used to characterize: the channel transmission quality of the current retransmission state is weaker than the quality characterized by the quality parameter threshold.

Optionally, in the current retransmission state,

the first condition includes at least one of:

the signal-to-noise ratio is greater than or equal to a first signal-to-noise ratio threshold, the uplink scheduling rate is less than or equal to a first scheduling rate threshold, and the uplink block error rate is less than or equal to a first block error rate threshold;

The second condition includes at least one of:

the signal-to-noise ratio is smaller than a second signal-to-noise ratio threshold, the uplink scheduling rate is larger than a second scheduling rate threshold, and the uplink block error rate is larger than a second block error rate threshold;

the second signal-to-noise ratio threshold value in the current retransmission state is smaller than the first signal-to-noise ratio threshold value, the second scheduling rate threshold value is larger than the first scheduling rate threshold value, and the second block error rate threshold value is larger than the first block error rate threshold value.

According to a second aspect of the embodiments of the present disclosure, there is provided an uplink data transmission apparatus, applied to a terminal device, the apparatus including:

the first determining module is used for determining a quality parameter in the current retransmission state;

the second determining module is used for determining a target retransmission state to be migrated according to the quality parameter in the current retransmission state; in each retransmission state, the uplink retransmission times corresponding to at least one retransmission state are smaller than the reference uplink retransmission times indicated by the network equipment;

and the third determining module is used for carrying out uplink data transmission according to the target uplink retransmission times corresponding to the target retransmission state.

Optionally, the second determining module is configured to:

Optionally, the quality parameter includes at least one of:

signal-to-noise ratio, uplink scheduling rate, and uplink block error rate;

Optionally, the second determining module is further configured to:

According to a third aspect of the embodiments of the present disclosure, there is provided a terminal device, including:

a processor;

a memory for storing executable instructions of the processor;

wherein the processor is configured to perform the uplink data transmission method according to any one of the preceding claims.

According to a fourth aspect of embodiments of the present disclosure, a non-transitory computer readable storage medium is presented, which when executed by a processor of a terminal device, causes the terminal device to perform the uplink data transmission method as defined in any one of the above.

The technical scheme provided by the embodiment of the disclosure can comprise the following beneficial effects:

in the method disclosed by the disclosure, the terminal equipment determines the data transmission condition in the current retransmission state according to the quality parameter of the current retransmission state, and dynamically determines the target retransmission state and the target uplink retransmission times according to the actual data transmission condition, so that the uplink retransmission times are dynamically adjusted. Compared with the prior art that the terminal equipment performs multiple rounds of continuous and repeated data retransmission, the number of times of retransmission of the terminal equipment can be obviously reduced, and uplink resources and power consumption of the terminal equipment are effectively saved.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.

Fig. 1 is a schematic diagram of data retransmission in the related art.

Fig. 2 is a schematic diagram of data retransmission in the related art.

Fig. 3 is a schematic diagram of a wireless communication system, shown according to an example embodiment.

FIG. 4 is a flowchart illustrating a method according to an exemplary embodiment.

FIG. 5 is a flowchart illustrating a method according to an exemplary embodiment.

Fig. 6 is a schematic diagram illustrating retransmission state migration according to an example embodiment.

Fig. 7 is a block diagram of an apparatus according to an example embodiment.

Fig. 8 is a block diagram of a terminal device according to an exemplary embodiment.

Detailed Description

Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the invention. Rather, they are merely examples of apparatus and methods consistent with aspects of the invention as detailed in the accompanying claims.

The VoLTE service data has the following characteristics: the data volume is relatively small, and the data volume is small packet data; the time delay requirement is small, and a non-acknowledgement (UM) mode and a user data packet protocol (User Datagram Protocol, UDP) transmission mode are adopted; the user data is bursty and frequent short breaks occur during the communication. Therefore, voLTE's traffic data is suitable for using SPS scheduling.

In the SPS scheduling method, the terminal device retransmits data multiple times continuously according to SPS resources configured by the network device. And then, according to the feedback of the network equipment, determining whether the data still need to be retransmitted for a plurality of times.

For example, as shown in fig. 1, after 4 consecutive retransmissions, if a forward Acknowledgement (ACK) is received, the data1 will continue to be transmitted as data2. Or as shown in fig. 2, after 4 consecutive retransmissions of the data1, if a Negative Acknowledgement (NACK) is received for the transmitted data1 after several subframes, the data1 is retransmitted for 4 consecutive retransmissions of the new round.

In the related art, when retransmission is involved, each round of retransmission is retransmitted N times, so that power consumption of the terminal device is wasted, uplink transmission resources are wasted, and the number of terminal devices carried by the base station is reduced.

The disclosure provides an uplink data transmission method, which is applied to terminal equipment, and comprises the following steps: determining a quality parameter in a current retransmission state; determining a target retransmission state to be migrated according to the quality parameter in the current retransmission state; in each retransmission state, the uplink retransmission times corresponding to at least one retransmission state are smaller than the reference uplink retransmission times indicated by the network equipment; and carrying out uplink data transmission according to the target uplink retransmission times corresponding to the target retransmission state. In the method disclosed by the disclosure, the terminal equipment determines the data transmission condition in the current retransmission state according to the quality parameter of the current retransmission state, and dynamically determines the target retransmission state and the target uplink retransmission times according to the actual data transmission condition, so that the uplink retransmission times are dynamically adjusted. And compared with the data retransmission carried out by the terminal equipment for a plurality of times in succession in the related art, the method can obviously reduce the retransmission times of the terminal equipment and effectively save the uplink resources and the power consumption of the terminal equipment.

In an exemplary embodiment, an embodiment of the present disclosure proposes an uplink data transmission method applied to a terminal device.

In the wireless communication system 100 shown in fig. 3, the wireless communication system may include a terminal device 101 and a network device 102. The network device 102 transmits downlink data to the terminal device 101 using a downlink, and the terminal device 101 transmits uplink data to the network device 102 using an uplink.

Terminal device 101 is configured to support carrier aggregation and terminal device 101 may be coupled to multiple carrier units of network device 102, including one primary carrier unit and one or more secondary carrier units.

The terminal device 101 may be a User Equipment (UE), a terminal (terminal), an access terminal, a terminal unit, a terminal station, a Mobile Station (MS), a remote station, a remote terminal, a mobile terminal (mobile terminal), a wireless communication device, a terminal agent, a terminal device, or the like. For example, terminal device 101 may be a cell phone, a car networking, a smart ICT device.

Network device 102 may be an access network device (or access network site). The access network device refers to a device that provides a network access function, such as a radio access network (radio access network, RAN) base station, etc. The network device 102 may specifically include a Base Station (BS), or include a base station, a radio resource management device for controlling the base station, and the like.

The network device 102 can configure Semi-persistent data transmission and reception resources for the terminal device 101, such as Downlink Semi-Persistent Scheduling (DL SPS) and Uplink Semi-Persistent Scheduling (UL SPS). The terminal device 101 can receive downlink data on a part of resources of available resources in the SPS period and transmit uplink data on a part of resources of available resources in the SPS period according to the configuration of the network device.

As shown in fig. 4, the method of the present embodiment may include the steps of:

s110, determining quality parameters in the current retransmission state.

S120, determining a target retransmission state to be migrated according to the quality parameter in the current retransmission state.

S130, carrying out uplink data transmission according to the target uplink retransmission times corresponding to the target retransmission state.

In step S110, the current retransmission status refers to, for example: and the terminal equipment currently performs retransmission state of the data transmission. The quality parameter refers to a parameter reflecting the transmission quality of the channel, and includes, for example, a signal-to-noise ratio, or an uplink data scheduling rate, or an error rate, etc. The higher the signal-to-noise ratio is, the lower the uplink data scheduling rate is, the lower the error rate is, and the better the channel transmission quality is represented.

The terminal device may define a preset number of retransmission states in advance.

In some embodiments, the terminal device 101 may receive information about the SPS transmitted by the network device 102, and may define or determine a preset number of retransmission states according to a reference uplink retransmission number indicated by the network device, where each retransmission State (State) is mapped with a corresponding uplink retransmission number.

In one example, the network device 102 indicates the reference uplink retransmission times by sending a radio resource control connection reconfiguration message (RRCconnectionReconfiguration).

In this example, the RRC connection reconfiguration message may contain two fields: the total number pusch-SPS-STTI-UL-repetition, or the total number pusch-SPS-UL-repetition. These two fields are used to indicate whether the terminal device 101 needs to perform uplink retransmission (UL retransmission), and the reference uplink retransmission number for performing uplink retransmission.

In one example, the preset number is the same as the reference uplink retransmission number, i.e. the number of retransmission states is the same as the reference uplink retransmission number, and the defined preset number of retransmission states may have a sequential nature, such as being distributed in an ascending or descending order.

For example, referring to the number of uplink retransmissions being N, N retransmission states may be determined in this step, and the distribution in descending order is: stateN, stateN-1, … …, state2, state1. The distribution in ascending order is respectively as follows: state1, state2, … …, state N-1, state N. N may be 2, 3, 4 or 6, as specified by the 3GPP protocol.

In this embodiment, when the retransmission states are distributed in descending order, that is, the retransmission states are arranged in descending order according to the number of times of retransmission, the retransmission states StateN, stateN-1, … …, state2, state1 respectively correspond to the retransmission times: n, N-1, … …, 2, 1.

In step S120, in each retransmission state, the number of uplink retransmissions corresponding to at least one retransmission state is smaller than the reference number of uplink retransmissions indicated by the network device.

In each retransmission state of the step, two adjacent retransmission states can be mutually migrated, and the migration between the retransmission states can be performed according to the channel transmission quality.

In one example, when the channel transmission quality is good, the current retransmission state may be shifted to its next retransmission state, where the number of retransmissions is smaller than the number of retransmissions of the current retransmission state. In this example, the target retransmission state is the next retransmission state to be migrated.

In another example, when the channel transmission quality is poor, the current retransmission state may be shifted to the last retransmission state, and the number of retransmissions in the last retransmission state is smaller than the number of retransmissions in the current retransmission state. In this example, the target retransmission state is the last retransmission state to be migrated.

In other examples, if the channel transmission quality does not change much, the current retransmission state may not migrate, and the target retransmission state is still the current retransmission state.

It will be appreciated that any one of the preset number of retransmission states may be used as the current retransmission state as the retransmission state changes. According to the manner of the present example, the target retransmission state for each retransmission state may be determined separately. And if the uplink retransmission times corresponding to the at least one retransmission state are less than the reference uplink retransmission times, the target uplink retransmission times corresponding to the at least one target retransmission state are less than the reference uplink retransmission times.

In step S130, each retransmission state is mapped with a corresponding uplink retransmission number, so that in this step, after determining the target retransmission state, the target uplink retransmission number corresponding to the target retransmission state can be determined, and uplink data transmission is performed according to the target uplink retransmission number. Therefore, the terminal equipment can properly reduce the retransmission times by combining with the change of the transmission time situation, and uplink resources and power consumption of the terminal equipment are effectively saved.

In this embodiment, the retransmission states are arranged in order of the number of retransmissions from large to small. The maximum retransmission times are the reference uplink retransmission times N.

In one example, in the N retransmission states, the number of uplink retransmissions corresponding to State N is N, the number of uplink retransmissions corresponding to State N-1 is N-1, … …, the number of uplink retransmissions corresponding to State2 is 2, and the number of uplink retransmissions corresponding to State1 is 1.

Therefore, after the terminal equipment dynamically adjusts the uplink retransmission times to target uplink retransmission times according to the actual transmission quality, the total uplink retransmission times of the terminal equipment can be effectively reduced, and uplink resources and power consumption of the terminal equipment are saved.

In an exemplary embodiment, as shown in fig. 4, the method in the present embodiment may include steps S110 to S130. In this embodiment, step S120 may include the following steps:

and S1201, determining a target retransmission state according to the quality parameter and the corresponding quality parameter threshold.

In this step, the quality parameter thresholds corresponding to different retransmission states may be preset and stored, and are used to characterize the quality parameter corresponding to the channel with better transmission quality. For example, when the quality parameter is a signal-to-noise ratio, the quality parameter threshold is a signal-to-noise ratio threshold, and the quality parameter threshold may be greater than 7db.

In this step, the channel transmission quality can be determined according to the corresponding quality parameter and the quality parameter threshold, so as to determine whether to perform retransmission state transition and adjust the uplink retransmission times.

In an exemplary embodiment, the quality parameter includes at least one of: signal-to-noise ratio, uplink scheduling rate, and uplink block error rate; the quality parameter threshold includes at least one of: a signal-to-noise ratio threshold, an uplink scheduling rate threshold, and an uplink block error rate threshold.

In this embodiment, the quality parameter in each retransmission state may include at least one of the quality parameters as above, and correspondingly includes at least one of the quality parameter thresholds.

Wherein the signal-to-noise ratio threshold may be a threshold comprising: the first signal-to-noise ratio threshold and/or the second signal-to-noise ratio threshold, the uplink scheduling rate threshold may include: the first scheduling rate threshold and/or the second scheduling rate threshold, the uplink block error rate threshold may include: a first block error rate threshold and/or a second block error rate threshold. In setting the quality parameter threshold, the signal-to-noise ratio threshold may be greater than or equal to 3db-4db, preferably 7db-8db.

In an exemplary embodiment, the method in this embodiment may further include the steps of:

S100, determining at least one quality parameter threshold corresponding to the current retransmission state according to pre-stored configuration information.

In this step, the configuration information includes a mapping relationship between the retransmission status and the quality parameter threshold. In the configuration information, the quality parameter threshold corresponding to each retransmission state arranged according to the sequence of the retransmission times from large to small satisfies the following conditions: the quality parameter threshold value, which is positively correlated with the channel transmission quality, is gradually increased and/or the quality parameter threshold value, which is negatively correlated with the channel transmission quality, is gradually decreased.

In this embodiment, the channel transmission quality represented by the quality parameter threshold corresponding to each retransmission state is gradually improved. Among the different quality parameter thresholds, the signal-to-noise ratio threshold corresponding to the signal-to-noise ratio is positively correlated with the channel transmission quality. The uplink scheduling rate threshold corresponding to the uplink scheduling rate and the uplink block error rate threshold corresponding to the uplink block error rate are inversely related to the channel transmission quality. In this embodiment, it is known that, according to the condition satisfied by the quality parameter threshold, the channel transmission quality represented by the quality parameter threshold corresponding to each retransmission state is gradually improved.

In one example, when the quality parameter comprises a signal-to-noise ratio, the quality parameter threshold comprises a signal-to-noise ratio threshold. In this example, a signal-to-noise ratio threshold corresponding to the signal-to-noise ratio may be queried according to the configuration information.

In one example, when the quality parameter includes both a signal-to-noise ratio and an uplink scheduling rate, the quality parameter threshold includes: a signal-to-noise ratio threshold and an uplink scheduling rate threshold. In this example, a signal-to-noise ratio threshold corresponding to the signal-to-noise ratio and an uplink scheduling rate threshold corresponding to the uplink scheduling rate threshold may be queried according to the configuration information.

In one example, when the quality parameter includes three of a signal-to-noise ratio, an uplink scheduling rate and an uplink block error rate, the quality parameter threshold includes: a signal-to-noise ratio threshold, an uplink scheduling rate threshold and an uplink block error rate threshold. In this example, a signal-to-noise ratio threshold corresponding to a signal-to-noise ratio, an uplink scheduling rate threshold corresponding to an uplink scheduling rate threshold, and an uplink block error rate threshold corresponding to an uplink block error rate may be queried according to configuration information.

In an exemplary embodiment, the relationship of the quality parameter thresholds for each retransmission state satisfies at least one of the following:

In this embodiment, the channel transmission quality represented by the quality parameter threshold set in each retransmission state is better and better, and the number of retransmissions corresponding to the better channel transmission quality can be satisfied is smaller. On the basis, the method and the device can dynamically reduce retransmission times and save power consumption of terminal equipment according to specific conditions of data transmission and combining with migration of retransmission states.

In one example, among the N retransmission states of State N, state (N-1), … …, state2, state1, the corresponding first signal-to-noise ratio threshold for each retransmission State gradually increases, the corresponding first scheduling rate threshold gradually decreases, and the corresponding first block error rate threshold gradually decreases.

And for the same retransmission state, the first signal-to-noise ratio threshold is slightly larger than the second signal-to-noise ratio threshold, the first scheduling rate threshold is slightly smaller than the second scheduling rate threshold, and the first block error rate threshold is slightly smaller than the second block error rate threshold. The same types of threshold values are not equal and slightly crossed in the same retransmission state, so that ping-pong switching phenomenon in the retransmission state switching process can be effectively restrained.

In an exemplary embodiment, the implementation of step S1201 in this embodiment may include the following several examples:

in a first example, step S1201 may include the steps of:

s1201-1, in response to the quality parameter and the quality parameter threshold meeting the first condition, determining the target retransmission state is: the next retransmission state adjacent to the current retransmission state.

In this step, the first condition is used to characterize: the channel transmission quality of the current retransmission state is better than the quality characterized by the quality parameter threshold. At this time, the data transmission may be migrated from the current retransmission state to the next retransmission state adjacent thereto, i.e., the next retransmission state is determined to be the target retransmission state.

In this example, the number of retransmissions after migration is reduced, but the uplink data transmission is not affected.

In a second example, step S1201 may include the steps of:

s1201-2, in response to the quality parameter and the quality parameter threshold meeting the second condition, determining the target retransmission state is: the last retransmission state adjacent to the current retransmission state.

In this step, the second condition is used to characterize: the channel transmission quality of the current retransmission state is weaker than the quality characterized by the quality parameter threshold. At this time, the channel transmission quality of the current retransmission state is insufficient to support the reduction of the retransmission times, so that the current retransmission state needs to be migrated to the next previous retransmission state, i.e. the previous retransmission state is determined to be the target retransmission state.

In this example, the retransmission state is shifted to the last retransmission state, so that the number of retransmissions can be increased, and the uplink data transmission quality is ensured.

In a third example, when the channel transmission quality of the current retransmission state is between the quality characterized by the first condition and the second condition, the target retransmission state may further be: current retransmission status. And at this time, the retransmission state transition is not performed, and the current retransmission state is maintained.

In one exemplary embodiment, the first condition includes at least one of: the signal-to-noise ratio is greater than or equal to a first signal-to-noise ratio threshold, the uplink scheduling rate is less than or equal to a first scheduling rate threshold, and the uplink block error rate is less than or equal to a first block error rate threshold.

The second condition includes at least one of: the signal-to-noise ratio is less than a second signal-to-noise ratio threshold, the uplink scheduling rate is greater than the second scheduling rate threshold, and the uplink block error rate is greater than the second block error rate threshold.

The second signal-to-noise ratio threshold is smaller than the first signal-to-noise ratio threshold, the second scheduling rate threshold is larger than the first scheduling rate threshold, and the second block error rate threshold is larger than the first block error rate threshold.

In this embodiment, among the N retransmission states of State N, state (N-1), … …, state2, and State1, except for the initial retransmission State N and the final retransmission State1, at least one of the following quality parameter thresholds is set for each retransmission State: a first signal-to-noise ratio threshold and a second signal-to-noise ratio threshold, a first scheduling rate threshold and a second scheduling rate threshold, and a first block error rate threshold and a second block error rate threshold.

Since the initial retransmission state StateN is the first of the retransmission states, there is no adjacent last retransmission state, the initial retransmission state may be at least one of the following quality parameter thresholds: a first signal-to-noise ratio threshold, a first scheduling rate threshold, and a first block error rate threshold. For the initial retransmission state StateN, only whether the quality parameter meets the first condition is needed to be judged.

Since the last retransmission State1 is the last of the retransmission states, there is no next retransmission State adjacent, the last retransmission State may be at least one of the following quality parameter thresholds: a second signal-to-noise ratio threshold, a second scheduling rate threshold, and a second block error rate threshold. For the last retransmission State State1, only whether the quality parameter meets the second condition is needed to be judged.

Based on the foregoing embodiments, for further description of the present disclosure, in conjunction with fig. 5 and 6, the following will list a specific example:

s510, determining a quality parameter in a current retransmission state;

wherein the quality parameter comprises at least one of: signal to noise ratio S, uplink scheduling rate D, uplink block error rate B.

S520, judging whether the quality parameter and the quality parameter threshold meet the first condition, if yes, executing step S540, and if not, executing step S530;

Wherein the quality parameter threshold comprises at least one of: signal-to-noise ratio threshold, uplink scheduling rate threshold, uplink block error rate threshold. The signal-to-noise ratio threshold may be comprised of: the first signal-to-noise ratio threshold and/or the second signal-to-noise ratio threshold, the uplink scheduling rate threshold may include: the first scheduling rate threshold and/or the second scheduling rate threshold, the uplink block error rate threshold may include: a first block error rate threshold and/or a second block error rate threshold.

S530, judging whether the quality parameter and the quality parameter threshold meet the second condition, if yes, executing step S550, if not, maintaining the current retransmission state and executing step S510;

s540, determining that the target retransmission state is the next retransmission state, and carrying out uplink data transmission according to the target uplink retransmission times corresponding to the target retransmission state, wherein the target uplink retransmission times corresponding to the next retransmission state is smaller than the uplink retransmission times corresponding to the current retransmission state;

s550, determining that the target retransmission state is the last retransmission state, and carrying out uplink data transmission according to the target uplink retransmission times corresponding to the target retransmission state, wherein the target uplink retransmission times corresponding to the last retransmission state is larger than the uplink retransmission times corresponding to the current retransmission state.

Wherein the order of S520 and S530 may be interchanged.

As shown in fig. 5 to 6, for the N retransmission states of State N, state (N-1), … …, state2, and State1, the terminal device may gradually transition to the last retransmission State1 from the initial retransmission State N through Step1 to Step2N-3 or Step2N-2 in fig. 6.

In the migration process, when any retransmission state is used as the current retransmission state, the foregoing steps S510 to S550 may be executed.

Wherein, in different retransmission states, the quality parameter thresholds are different:

(1) When the current retransmission state is the initial retransmission state StateN:

the quality parameter threshold under the initial retransmission state StateN includes at least one of: the first signal-to-noise ratio threshold is SN_1, the first scheduling rate threshold is D_1, and the first block error rate threshold is B_1, wherein SN_3 > SN_1 > SN_2, D_3 < D_1 < D_2, and B_3 < B_1 < B_2.

In the initial retransmission state StateN, it is only necessary to determine whether the quality parameter and the quality parameter threshold meet the first condition, i.e. execute step S520, without executing step S530.

The quality parameter in the initial retransmission state StateN satisfies at least one of: and when the signal-to-noise ratio S is more than or equal to SN_1, the uplink scheduling rate D is less than or equal to D_1, or the uplink block error rate B is less than or equal to B_1, determining that the first condition is met. In response to the quality parameter and the quality parameter threshold meeting the first condition, a transition to the target retransmission state StateN-1 is performed as Step1 of fig. 6.

At this time, if the target retransmission state of the retransmission state stateN is stateN-1, uplink data transmission is performed for (N-1) times of target uplink retransmission times.

(2) After the initial retransmission state StateN is migrated to the retransmission state StateN-1, the current retransmission state becomes the retransmission state StateN-1:

the quality parameter threshold corresponding to the retransmission State (N-1) comprises at least one of the following three thresholds:

signal-to-noise ratio threshold: the first signal-to-noise ratio threshold is sn_3, and the second signal-to-noise ratio threshold sn_2, where sn_3 > sn_2.

Uplink scheduling rate threshold: a first scheduling rate threshold d_3 and a second scheduling rate threshold d_2, wherein d_3 < d_2.

Uplink block error rate threshold: a first block error rate threshold b_3 and a second block error rate threshold b_2, wherein b_3 < b_2.

In the process of executing step S520 in this scenario, the quality parameter in the retransmission state StateN-1 satisfies at least one of the following: the signal-to-noise ratio S is more than or equal to SN_3, the uplink scheduling rate D is less than or equal to D_3, and B is less than or equal to B_3, namely the first condition is met. In response to the quality parameter and the quality parameter threshold meeting the first condition, a transition to a retransmission state StateN-2, step3 of fig. 6, is performed, and the target retransmission state is determined to be StateN-2.

The data transmission state is thus shifted from the current retransmission state StateN-1 to the next adjacent retransmission state, namely retransmission state StateN-2.

In the process of executing step S530 in this scenario, the quality parameter in the retransmission state StateN-1 satisfies at least one of the following: the signal-to-noise ratio S is less than SN_2, the uplink scheduling rate D is more than D_2, and B is more than B_2, namely, the second condition is met. In response to the quality parameter and the quality parameter threshold meeting the second condition, a transition to the initial retransmission state StateN as Step2 of fig. 6 is performed, and the target retransmission state is determined to be StateN.

The data transmission State is thus shifted from the current retransmission State (N-1) to the next previous retransmission State, namely retransmission State N.

In the process of executing step S540 in this scenario, when the target retransmission state of the retransmission state StateN-1 is StateN-2, the number of target uplink retransmissions is N-2.

In the process of executing step S550 in this scenario, when the target retransmission state of the retransmission state StateN-1 is StateN, the number of target uplink retransmissions is N.

……

(3) If the current retransmission State is the retransmission State 2:

a quality parameter of the retransmission State2 meeting the first condition will migrate to the retransmission State1.

Wherein, when the quality parameter of the retransmission State2 satisfies at least one of the following: the signal to noise ratio S is larger than or equal to a first signal to noise ratio threshold SN_2N-3, the uplink scheduling rate D is smaller than or equal to a first scheduling rate threshold D_2N-3, the uplink block error rate B is smaller than or equal to a first block error rate threshold B_2N-3, namely Step2N-3 can be executed when the first condition is met, and the retransmission State State2 is shifted to the retransmission State State1.

At this time, the target retransmission State with respect to State2 is State1, and the target uplink retransmission number is 1.

(4) If the current retransmission State is the last retransmission State 1:

for the last retransmission State1, it is only necessary to determine whether it satisfies the second condition, i.e. execute step S530, and not execute step S520.

Executing Step2N-2 to switch to a retransmission State State2 if the second condition is met; if not, the current state may be maintained, the number of target uplink retransmissions is unchanged, and then step S510 is continuously performed.

Wherein, the quality parameter in the last retransmission State1 satisfies at least one of the following: the signal to noise ratio S is less than the second signal to noise ratio threshold SN_2N-2, the uplink scheduling rate D is greater than the second scheduling rate threshold D_2N-2, the uplink block error rate B is greater than the second block error rate threshold B_2N-2, and the Step2N-2 of FIG. 6 is executed after the second condition is met, so that the retransmission State State1 is shifted to the retransmission State State2.

At this time, the target retransmission State with respect to State1 is State2, and the target uplink retransmission number is 2.

According to the principle, the quality parameter of each current retransmission state is judged, and the transmission quality and the migration state are dynamically adjusted until all data are transmitted.

In the embodiment of the disclosure, the actual transmission condition of the data transmission process is inspected according to the defined retransmission states, so that the channel transmission quality in each retransmission state can be timely obtained, and at least the following two technical effects can be realized:

firstly, when the channel transmission quality meets the corresponding first condition, the retransmission times can be reduced in a downward state transition mode, the frequency of uplink transmission data can be reduced in a self-adaptive mode, the power consumption of terminal equipment can be effectively reduced, and the weak coverage performance of semi-persistent resource scheduling can be maintained.

On the basis, the method can improve the endurance time of the mobile phone and avoid frequent uplink data transmission by using multiple antennas. And the problem that the uplink coverage distance is too small is solved, so that the mobile phone can stay on 4G or 5G, and the user perception is improved.

Secondly, when the channel transmission quality meets the corresponding second condition, the embodiment of the disclosure can adaptively increase the frequency of uplink transmission data by means of upward state migration, and ensure that the uplink data is effectively transmitted.

In an exemplary embodiment, an embodiment of the present disclosure further proposes an uplink data transmission device, configured to perform the method in the foregoing embodiment. The device of the embodiment is applied to the terminal equipment. As shown in fig. 7, the apparatus of this embodiment includes: the first determination module 110, the second determination module 120, and the third determination module 130. Wherein, the first determining module 110 is configured to determine a quality parameter in a current retransmission state. The second determining module 120 is configured to determine a target retransmission state to be migrated according to the quality parameter in the current retransmission state; in each retransmission state, the uplink retransmission times corresponding to at least one retransmission state are smaller than the reference uplink retransmission times indicated by the network device. The third determining module 130 is configured to perform uplink data transmission according to the target uplink retransmission times corresponding to the target retransmission state.

In an exemplary embodiment, still referring to fig. 7, the second determining module 120 in this embodiment is configured to: and determining the target retransmission state according to the quality parameter and the corresponding quality parameter threshold.

In this embodiment, the quality parameter includes at least one of the following: signal-to-noise ratio, uplink scheduling rate, and uplink block error rate; the quality parameter threshold includes at least one of: a signal-to-noise ratio threshold, an uplink scheduling rate threshold, and an uplink block error rate threshold.

In an exemplary embodiment, still referring to fig. 7, the second determining module 120 in this embodiment is further configured to: determining at least one quality parameter threshold corresponding to the current retransmission state according to pre-stored configuration information; the configuration information comprises a mapping relation between a retransmission state and a quality parameter threshold value; in the configuration information, the quality parameter threshold corresponding to each retransmission state arranged according to the sequence of the retransmission times from large to small satisfies the following conditions: the quality parameter threshold value, which is positively correlated with the channel transmission quality, is gradually increased and/or the quality parameter threshold value, which is negatively correlated with the channel transmission quality, is gradually decreased.

In this embodiment, the relationship between the quality parameter thresholds of the retransmission states satisfies at least one of the following: the quality parameter threshold comprises a first signal-to-noise ratio threshold, and the first signal-to-noise ratio threshold corresponding to each retransmission state arranged in sequence from big to small according to the retransmission times is gradually increased; the quality parameter threshold comprises a first scheduling rate threshold, and the first scheduling rate threshold corresponding to each retransmission state arranged in sequence from big to small according to the retransmission times is gradually reduced; the quality parameter threshold comprises a first block error rate threshold, and the first block error rate threshold corresponding to each retransmission state arranged in sequence from big to small according to the retransmission times is gradually reduced.

In an exemplary embodiment, still referring to fig. 7, the second determining module 120 in this embodiment is further configured to: in response to the quality parameter and the quality parameter threshold meeting the first condition, determining the target retransmission state as: a next retransmission state adjacent to the current retransmission state; in response to the quality parameter and the quality parameter threshold meeting the second condition, determining the target retransmission state as: a last retransmission state adjacent to the current retransmission state; wherein the first condition is for characterizing: the channel transmission quality of the current retransmission state is superior to the quality represented by the quality parameter threshold; the second condition is used to characterize: the channel transmission quality of the current retransmission state is weaker than the quality characterized by the quality parameter threshold.

A block diagram of a terminal device is shown in fig. 8. The present disclosure also provides for a terminal device, for example, device 500 may be a mobile phone, a computer, a digital broadcast terminal, a messaging device, a game console, a tablet device, a medical device, a fitness device, a personal digital assistant, and the like.

The device 500 may include one or more of the following components: a processing component 502, a memory 504, a power component 506, a multimedia component 508, an audio component 510, an input/output (I/O) interface 512, a sensor component 514, and a communication component 516.

The processing component 502 generally controls overall operation of the device 500, such as operations associated with display, telephone calls, data communications, camera operations, and recording operations. The processing component 502 may include one or more processors 520 to execute instructions to perform all or part of the steps of the methods described above. Further, the processing component 502 can include one or more modules that facilitate interactions between the processing component 502 and other components. For example, the processing component 502 can include a multimedia module to facilitate interaction between the multimedia component 508 and the processing component 502.

Memory 504 is configured to store various types of data to support operations at device 500. Examples of such data include instructions for any application or method operating on device 500, contact data, phonebook data, messages, pictures, video, and the like. The memory 504 may be implemented by any type or combination of volatile or nonvolatile memory devices such as Static Random Access Memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic or optical disk.

The power component 506 provides power to the various components of the device 500. The power components 506 may include a power management system, one or more power sources, and other components associated with generating, managing, and distributing power for the device 500.

The multimedia component 508 includes a screen between the device 500 and the user that provides an output interface. In some embodiments, the screen may include a Liquid Crystal Display (LCD) and a Touch Panel (TP). If the screen includes a touch panel, the screen may be implemented as a touch screen to receive input signals from a user. The touch panel includes one or more touch sensors to sense touches, swipes, and gestures on the touch panel. The touch sensor may sense not only the boundary of a touch or sliding action, but also the duration and pressure associated with the touch or sliding operation. In some embodiments, the multimedia component 508 includes a front-facing camera and/or a rear-facing camera. The front-facing camera and/or the rear-facing camera may receive external multimedia data when the device 500 is in an operational mode, such as a shooting mode or a video mode. Each front camera and rear camera may be a fixed optical lens system or have focal length and optical zoom capabilities.

The audio component 510 is configured to output and/or input audio signals. For example, the audio component 510 includes a Microphone (MIC) configured to receive external audio signals when the device 500 is in an operational mode, such as a call mode, a recording mode, and a voice recognition mode. The received audio signals may be further stored in the memory 504 or transmitted via the communication component 516. In some embodiments, the audio component 510 further comprises a speaker for outputting audio signals.

The I/O interface 512 provides an interface between the processing component 502 and peripheral interface modules, which may be keyboards, click wheels, buttons, etc. These buttons may include, but are not limited to: homepage button, volume button, start button, and lock button.

The sensor assembly 514 includes one or more sensors for providing status assessment of various aspects of the device 500. For example, the sensor assembly 514 may detect the on/off state of the device 500, the relative positioning of the components, such as the display and keypad of the device 500, the sensor assembly 514 may also detect a change in position of the device 500 or a component of the device 500, the presence or absence of user contact with the device 500, the orientation or acceleration/deceleration of the device 500, and a change in temperature of the apparatus 500. The sensor assembly 514 may include a proximity sensor configured to detect the presence of nearby objects without any physical contact. The sensor assembly 514 may also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications. In some embodiments, the sensor assembly 514 may also include an acceleration sensor, a gyroscopic sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.

The communication component 516 is configured to facilitate communication between the device 500 and other devices, either wired or wireless. The device 500 may access a wireless network based on a communication standard, such as WiFi,2G or 3G, or a combination thereof. In one exemplary embodiment, the communication component 516 receives broadcast signals or broadcast-related information from an external broadcast management system via a broadcast channel. In an exemplary embodiment, the communication component 516 further includes a Near Field Communication (NFC) module to facilitate short range communications. For example, the NFC module may be implemented based on Radio Frequency Identification (RFID) technology, infrared data association (IrDA) technology, ultra Wideband (UWB) technology, bluetooth (BT) technology, and other technologies.

In an exemplary embodiment, the apparatus 500 may be implemented by one or more Application Specific Integrated Circuits (ASICs), digital Signal Processors (DSPs), digital Signal Processing Devices (DSPDs), programmable Logic Devices (PLDs), field Programmable Gate Arrays (FPGAs), controllers, microcontrollers, microprocessors, or other electronic elements for executing the methods described above.

A non-transitory computer readable storage medium, such as memory 504 including instructions, provided in another exemplary embodiment of the present disclosure, the instructions being executable by processor 520 of device 500 to perform the above-described method. For example, the computer readable storage medium may be ROM, random Access Memory (RAM), CD-ROM, magnetic tape, floppy disk, optical data storage device, etc. The instructions in the storage medium, when executed by the processor of the terminal device, enable the terminal device to perform the method described above.

Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.

It is to be understood that the invention is not limited to the precise arrangements and instrumentalities shown in the drawings, which have been described above, and that various modifications and changes may be effected without departing from the scope thereof. The scope of the invention is limited only by the appended claims.

Claims

1. An uplink data transmission method, which is characterized in that the method is applied to a terminal device, and comprises the following steps:

determining a quality parameter in a current retransmission state;

2. The method according to claim 1, wherein said determining a target retransmission state to be migrated according to the quality parameter in the current retransmission state comprises:

3. The method of claim 2, wherein the quality parameter comprises at least one of:

signal-to-noise ratio, uplink scheduling rate, and uplink block error rate;

4. The method according to claim 2, wherein the method further comprises:

5. The method of claim 4, wherein the relationship of the quality parameter thresholds for each retransmission state satisfies at least one of:

6. The method of claim 5, wherein determining a target retransmission state based on the quality parameter and a corresponding quality parameter threshold comprises:

7. The method of claim 6, wherein, in the current retransmission state,

the first condition includes at least one of:

the second condition includes at least one of:

8. An uplink data transmission apparatus, which is applied to a terminal device, the apparatus comprising:

9. The apparatus of claim 8, wherein the second determination module is configured to:

10. The apparatus of claim 9, wherein the quality parameter comprises at least one of:

signal-to-noise ratio, uplink scheduling rate, and uplink block error rate;

11. The apparatus of claim 9, wherein the second determination module is further configured to:

12. The apparatus of claim 11, wherein the relationship of the quality parameter thresholds for each retransmission state satisfies at least one of:

13. The apparatus of claim 12, wherein the second determination module is further configured to:

14. A terminal device, comprising:

a processor;

a memory for storing executable instructions of the processor;

wherein the processor is configured to perform the uplink data transmission method of any one of claims 1 to 7.

15. A non-transitory computer readable storage medium, characterized in that instructions in the storage medium, when executed by a processor of a terminal device, enable the terminal device to perform the uplink data transmission method according to any one of claims 1 to 7.