WO2019136686A1

WO2019136686A1 - Data transmission method and apparatus, and data sending terminal

Info

Publication number: WO2019136686A1
Application number: PCT/CN2018/072386
Authority: WO
Inventors: 赵群; 朱亚军
Original assignee: 北京小米移动软件有限公司
Priority date: 2018-01-12
Filing date: 2018-01-12
Publication date: 2019-07-18
Also published as: CN108513724B; CN108513724A

Abstract

Disclosed are a data transmission method and apparatus, and a data sending terminal. The method comprises: determining a target transmit power and/or a target transmit beam of a data block to be transmitted on the basis of an actual number of transmissions and a set number of transmissions of the data block to be transmitted; and transmitting the data block to be transmitted by means of the target transmit beam and/or the target transmit power. According to the technical solution of the present invention, when the actual number of transmissions of data is lower than a set number K of transmissions, the data transmission reliability is reduced by adjusting the data transmit power and/or the data transmit beam, thereby achieving balance between the reliability and time delay of data transmission.

Description

Data transmission method, device and data transmitting end

Technical field

The present disclosure relates to the field of communications technologies, and in particular, to a data transmission method, apparatus, and data transmitting end.

Background technique

In the research discussion of the 5th Generation 5th Generation (5G) project, in order to support Ultra Reliable & Low Latency Communication (URLLC), New Radio (New Radio, In the NR) system, an uplink grant (UL GF) transmission scheme based on uplink scheduling is proposed. In UL GF transmission, NR supports the same physical layer in the same GF resource period. A transport block (TB) is used for K times (K is a natural number greater than 1) for repeated transmission, and the base station can configure K transmission time-frequency resources for K times of repeated transmission for the user equipment.

In the related art, in order to balance the delay and reliability of the data transmission, the user equipment can start a TB of the transmission time-frequency resources other than the first time-frequency resource among the K transmission time-frequency resources. One transmission until the last time-frequency resource of K transmission resources. Since the user equipment can start data transmission at more time positions in the related art, the delay of the uplink data can be reduced, but when the number of repeated transmissions of the user equipment is less than K times, the reliability of the uplink transmission is affected. In the NR discussion, K downlink transmissions of one TB are also supported for downlink data transmission and uplink data transmission based on uplink scheduling. Therefore, it is necessary to propose a new data transmission scheme to solve the problem that the reliability of data transmission is reduced when the actual number of transmissions of data is less than a given number of times K.

Summary of the invention

In order to overcome the problems in the related art, the embodiments of the present disclosure provide a data transmission method, apparatus, and data transmitting end, which are used to adjust data transmission power and/or when the actual number of data transmissions is less than a given number of times K. Or the data transmission beam improves the reliability of data transmission to achieve the reliability of data transmission and the balance of delay.

According to a first aspect of the embodiments of the present disclosure, a data transmission method is provided, which is applied to a data transmitting end, and the method includes:

Determining a target transmit power and/or a target transmit beam of the data block to be transmitted based on the actual number of transmissions of the data block to be transmitted and the set number of transmissions;

Transmitting the to-be-transmitted data block by the target transmit beam and/or the target transmit power.

In an embodiment, determining the target transmit power of the data block to be transmitted based on the actual number of transmissions of the data block to be transmitted and the set number of transmissions, including:

If the actual number of transmissions of the to-be-transmitted data block is less than the set number of transmissions, calculate a sum of the original transmission power and an offset to obtain the target transmission power, where the original transmission power is the to-be-transmitted data. The data transmission power when the actual number of transmissions of the block is the same as the number of times the transmission is set, and the target transmission power is not greater than the maximum transmission power of the data transmitting end.

In an embodiment, the offset is a fixed value; or the offset is a semi-statically configured value; or the offset is based on the actual number of transmissions and the setting A value calculated from the number of transmissions.

In an embodiment, if the data sending end is a base station, and the downlink channel between the base station and the user equipment meets the first condition, the actual transmission times based on the data block to be transmitted and the set transmission times determine the to-be-transmitted The target transmit beam of the data block, including:

Calculating a difference between the set number of transmissions of the to-be-transmitted data block and the actual number of transmissions;

Determining a transmit beam adjustment parameter according to the difference value range to which the difference belongs;

Decelerating the width of the original transmit beam and adjusting the angle of the original transmit beam according to the adjustment parameter, to obtain the target transmit beam, where the original transmit beam is the actual transmission of the to-be-transmitted data block. The data transmission beam when the number of times is the same as the set number of transmissions.

In an embodiment, if the data sending end is a base station, and the downlink channel between the base station and the user equipment meets the second condition, determining the to-be-transmitted based on the actual number of transmissions of the data block to be transmitted and the set number of transmissions. The target transmit beam of the data block, including:

According to the adjustment parameter, the target transmission beam is obtained by increasing the width of the original transmission beam and adjusting the angle of the original transmission beam, where the original transmission beam is the actual transmission times and settings of the to-be-transmitted data block. The data transmission beam when the number of transmissions is the same.

In an embodiment, if the data sending end is a user equipment, the method further includes:

Receiving, by the base station, the transmit beam information, where the transmit beam information includes a target transmit beam corresponding to each actual number of transmissions;

Determining, according to the actual number of transmissions of the data block to be transmitted and the set number of transmissions, the target transmission beam of the data block to be transmitted, including:

A target transmission beam corresponding to the actual number of transmissions is selected from the configured transmission beam information.

In an embodiment, the sending, by the target sending beam, the data block to be transmitted includes:

When the target transmission beam has only one, each repeated transmission of the data block to be transmitted is performed by the target transmission beam;

When there are multiple target transmission beams, the transmission of the data block to be transmitted is performed using the target transmission beam based on the correspondence between each repeated transmission and the target transmission beam, and the correspondence is configured by the base station.

According to a second aspect of the embodiments of the present disclosure, there is provided a data transmission apparatus, which is applied to a data transmitting end, the apparatus comprising:

a determining module configured to determine a target transmit power and/or a target transmit beam of the data block to be transmitted based on the actual number of transmissions of the data block to be transmitted and the set number of transmissions;

And a data sending module configured to send the to-be-transmitted data block by using the target transmit beam and/or the target transmit power determined by the determining module.

In an embodiment, the determining module comprises:

a first calculation submodule configured to calculate a sum of an original transmission power and an offset when the actual number of transmissions of the to-be-transmitted data block is less than a set transmission number, to obtain the target transmission power, where the original The data transmission power is the transmission power when the actual transmission times of the data block to be transmitted is the same as the set transmission frequency, and the target transmission power is not greater than the maximum transmission power of the data transmission end.

In an embodiment, the offset is a fixed value; or the offset is a semi-statically configured value; or the offset is based on the actual number of transmissions and the set number of transmissions Calculate a value.

In an embodiment, if the data sending end is a base station, and the downlink channel between the base station and the user equipment meets the first condition, the determining module includes:

a second calculation submodule configured to calculate a difference between a set transmission number of the to-be-transmitted data block and an actual transmission number;

The first determining submodule is configured to determine a transmit beam adjustment parameter according to the difference value range to which the difference belongs;

The first adjustment sub-module is configured to reduce the width of the original transmission beam and adjust an angle of the original transmission beam according to the adjustment parameter to obtain the target transmission beam, where the original transmission beam is The data transmission beam when the actual number of transmissions of the data block to be transmitted is the same as the number of times the transmission is set.

In an embodiment, if the data sending end is a base station, and the downlink channel between the base station and the user equipment meets the second condition, the determining module includes:

a third calculation submodule configured to calculate a difference between a set transmission number of the to-be-transmitted data block and an actual transmission number;

a second determining submodule configured to determine a transmit beam adjustment parameter according to the difference value range to which the difference belongs;

The second adjustment sub-module is configured to obtain the target transmission beam by increasing the width of the original transmission beam and adjusting the angle of the original transmission beam according to the adjustment parameter, where the original transmission beam is the to-be-transmitted The data transmission beam when the actual number of transmissions of the data block is the same as the set number of transmissions.

In an embodiment, if the data sending end is a user equipment, the device further includes:

The receiving module is configured to receive the transmit beam information configured by the base station, where the transmit beam information includes a target transmit beam corresponding to each actual number of transmissions;

The determining module includes:

The selection submodule is configured to select a target transmission beam corresponding to the actual number of transmissions from the configured transmission beam information.

In an embodiment, the data sending module includes:

a first sending submodule configured to perform each repeated transmission of the to-be-transmitted data block by using the target transmit beam when there is only one target transmit beam;

The second sending submodule is configured to perform, according to the correspondence between each repeated transmission and the target transmitting beam, the transmission of the to-be-transmitted data block by using the target transmitting beam when the target transmitting beam has multiple The correspondence is configured by the base station.

According to a third aspect of the embodiments of the present disclosure, a data transmitting end is provided, including:

processor;

a memory for storing processor executable instructions;

Wherein the processor is configured to:

According to a fourth aspect of an embodiment of the present disclosure, there is provided a non-transitory computer readable storage medium having stored thereon computer instructions that, when executed by a processor, implement the following steps:

The technical solutions provided by the embodiments of the present disclosure may include the following beneficial effects:

The data transmitting end may adjust the target sending power and/or the target transmitting beam of the data block to be transmitted based on the actual number of transmissions of the data block to be transmitted and the set number of transmissions. For example, the actual number of transmissions of the data block to be transmitted is 4 times, and If the number of transmissions is set to 8 times, in order to improve the transmission reliability of the data block to be transmitted, the transmission power of the data block to be transmitted may be increased, or the width of the transmission beam of the data block to be transmitted may be adjusted, for example, by using a narrower transmission beam. To get higher directional gain. Therefore, the technical solution of the present disclosure realizes that the data transmitting end improves the transmission reliability of the data block to be transmitted by adjusting the target transmitting power and/or the target transmitting beam when the actual number of transmissions is less than the set number of transmissions.

The above general description and the following detailed description are intended to be illustrative and not restrictive.

DRAWINGS

The accompanying drawings, which are incorporated in the specification of FIG

FIG. 1A is a flowchart of a data transmission method according to an exemplary embodiment.

FIG. 1B is a scene diagram of a data transmission method according to an exemplary embodiment.

FIG. 2A is a flowchart of another data transmission method according to an exemplary embodiment.

FIG. 2B is a schematic diagram of a transmit beam, according to an exemplary embodiment.

FIG. 3A is a flowchart of another data transmission method according to an exemplary embodiment.

FIG. 3B is a schematic diagram of a transmit beam, according to an exemplary embodiment.

FIG. 4 is a flowchart of another data transmission method according to an exemplary embodiment.

FIG. 5 is a block diagram of a data transmission apparatus according to an exemplary embodiment.

FIG. 6 is a block diagram of another data transmission apparatus according to an exemplary embodiment.

FIG. 7 is a block diagram of a data transmission apparatus suitable for use in accordance with an exemplary embodiment.

FIG. 8 is a block diagram of a data transmission apparatus suitable for use in accordance with an exemplary embodiment.

Detailed ways

Exemplary embodiments will be described in detail herein, examples of which are illustrated in the accompanying drawings. The following description refers to the same or similar elements in the different figures unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Instead, they are merely examples of devices and methods consistent with aspects of the invention as detailed in the appended claims.

The technical solution provided by the present disclosure is applicable to a new generation network, such as a 5G network. In order to better support services requiring high reliability and low latency, the NR system supports uplink scheduling (UP GF GF). The data transmission scheme, the user equipment can perform UL GF transmission using the semi-statically allocated periodic transmission time-frequency resources. In the UL GF transmission, the NR system supports the same physical layer transmission block in the same resource period (Transport Block) Multiple repeated transmissions, abbreviated as TB). The number of repeated transmissions K is configured by user-specific RRC signaling. When the number of repeated transmissions is K, the base station configures K transmission time-frequency resources for K times of repeated transmissions for the user equipment, but the actual number of transmissions of the user equipment may be Is a value less than the set transmission number K. In addition, in the NR discussion, for the downlink data transmission and the uplink data transmission based on the uplink scheduling, the K transmission repetition of one TB is also supported, so the actual transmission frequency may be a value smaller than the set transmission number K. In case, the technical solution provided by the present disclosure is applicable to a scenario that supports K times of repeated transmissions of one TB and the actual number of transmissions is less than K times.

1A is a flowchart of a data transmission method according to an exemplary embodiment, and FIG. 1B is a scene diagram of a data transmission method according to an exemplary embodiment; the data transmission method may be applied to a data transmission end. For example, as shown in FIG. 1A, the data transmission method includes the following steps 101-102:

In step 101, the target transmission power and/or the target transmission beam of the data block to be transmitted are determined based on the actual number of transmissions of the data block to be transmitted and the set number of transmissions.

In an embodiment, when the number of transmissions is set to K, if the actual number of transmissions of the data block to be transmitted is less than the set transmission number K, for example, when the initial transmission position is not the first one of the K time-frequency resources The time-frequency resource location (that is, the time-frequency resource used for the first repeated transmission) increases the transmission power used when data is repeatedly transmitted. When the user equipment is the data sending end, the sum of the original sending power and an offset may be calculated to obtain the target sending power, and the calculated target sending power may not exceed the maximum power of the user equipment; when the base station is the data sending end, The transmission power of the data block to be transmitted is transmitted to the receiving end (such as user equipment A) of the data block to be transmitted.

In an embodiment, the original transmission power is the transmission power when the actual transmission times are the same as the set transmission times. The original transmission power can be calculated based on the path loss, and the original transmission power can be used to obtain the original transmission power. Transmit power, and the offset used to calculate the target transmit power can be obtained in the following three ways.

Manner 1: The offset may be a fixed value. For example, when the actual number of transmissions is less than the set number of transmissions, the original transmission power is increased by 1 dB.

Manner 2: The offset may also be a semi-statically configured value. The value of the semi-static configuration may be configured by the base station based on information such as a specific value of the original transmit power and a maximum transmit power.

Manner 3: The offset may also be a value related to the predetermined number of repeated transmissions K and the actual number of repeated transmissions N of the user equipment. For example, the offset can be set to log2(N/K)dB, assuming that the original transmission power when performing K repeated transmissions is P _K , and the target transmission power when performing N repeated transmissions is P _N , when the data transmission end When it is a base station, P _N can be calculated by the formula (1).

In an embodiment, when the data sending end is a user equipment, the target sending power cannot exceed the maximum uplink sending power of the user equipment, and thus can be calculated by using Equation (2).

The P _{CMAX is} used to indicate the maximum transmit power of the user equipment, and thus it can be determined that the target transmit power does not exceed the maximum transmit power of the user equipment.

In an embodiment, based on the actual number of transmissions of the data block to be transmitted and the set number of transmissions, the width and direction of the transmission beam can be appropriately adjusted, and the implementation manner of determining the target transmission beam of the data block to be transmitted can be seen in FIG. 2A and FIG. 3A. The embodiment shown in FIG. 4 is not described in detail herein.

In step 102, the data block to be transmitted is transmitted by the target transmit beam and/or the target transmit power.

In an embodiment, when the actual number of transmissions of the data block to be transmitted is different from the set transmission number, the data block to be transmitted may be transmitted based on the target transmission power determined in step 101; in an embodiment, the data block to be transmitted When the actual number of transmissions is different from the set transmission number, the target transmission power determined in step 101 may be used to transmit the to-be-transmitted data block through the target transmission beam determined in step 101; in an embodiment, the actual transmission of the data block to be transmitted is performed. When the number of times is different from the set number of transmissions, the data block to be transmitted may be transmitted through the target transmission beam determined in step 101.

In an exemplary scenario, as shown in FIG. 1B, a mobile network is used as a new generation network, such as a 5G network, and the base station is a gNB as an example. In the scenario shown in FIG. 1B, gNB10 and UE20 are included. When the data block is transmitted between the gNB 10 and the UE 20, if the number of set transmissions of the data block is different from the actual number of transmissions, the reliability of the data transmission can be improved by increasing the target transmission power and/or adjusting the width of the transmission beam.

In this embodiment, by using the foregoing steps 101-102, the data sending end may adjust the target sending power and/or the target transmitting beam of the to-be-transmitted data block based on the actual number of transmissions of the data block to be transmitted and the set number of transmissions, for example, The actual number of transmissions of the data block is 4 times, and the number of transmissions is set to 8 times. In order to improve the transmission reliability of the data block to be transmitted, the transmission power of the data block to be transmitted may be increased, or the transmission of the data block to be transmitted may be adjusted. The width of the beam, for example by using a narrower transmit beam, yields a higher directional gain. Therefore, the technical solution of the present disclosure realizes that the data transmitting end improves the transmission reliability of the data block to be transmitted by adjusting the target transmitting power and/or the target transmitting beam when the actual number of transmissions is less than the set number of transmissions.

The technical solutions provided by the embodiments of the present disclosure are described below by using specific embodiments.

2A is a flowchart of another data transmission method according to an exemplary embodiment, and FIG. 2B is a schematic diagram of a transmission beam according to an exemplary embodiment. This embodiment utilizes the foregoing method provided by an embodiment of the present disclosure. For example, when the location of the user equipment is relatively stable, how to determine the target transmission beam is taken as an example. The base station may perform the technical solution of the embodiment when the base station needs to repeatedly transmit a data block to the user equipment. When the user equipment needs to repeatedly transmit one data block to the base station, the technical solution of the embodiment is executed, and the target transmission beam determined by the embodiment is configured to the user equipment. As shown in FIG. 2A, the following steps are included:

In step 201, a difference between the set number of transmissions of the data block to be transmitted and the actual number of transmissions is calculated.

In step 202, the transmit beam adjustment parameter is determined according to the difference value range to which the difference belongs.

In an embodiment, the difference range may be more than one. For different difference ranges, different beam adjustment parameters may be corresponding. For example, the difference range has two, respectively, the first difference range and the second difference. Range, the first difference range is a range in which the difference is relatively small, and is used to indicate that the actual number of transmissions is less than the set transmission number, such as the first difference range is [1, 3], and the set transmission times is 8, the actual number of transmissions is 6, the difference is 2, indicating that the difference is in accordance with the first difference range; the second difference range can be a range where the difference is relatively large, that is, the difference included in the second difference range The value is greater than the difference included in the first difference range, and is used to indicate that the actual number of transmissions is different from the set transmission number, for example, the second difference range is [4, 6], and if the number of transmissions is set to 8, The actual number of transmissions is 4, and the difference is 4, indicating that the difference corresponds to the second difference range.

In an embodiment, the transmit beam adjustment parameters may be different according to different difference ranges. For example, referring to FIG. 2B, if the difference is relatively small, it belongs to a difference range with a small difference, and the transmit beam adjustment parameter is used. The width adjustment value of the transmission beam may be a relatively small first adjustment value. By calculating the difference between the width of the original transmission beam and the first adjustment value, a transmission beam having a relatively small width is obtained, so as to increase the directivity of the beam. Gain, and if the difference is relatively large, it belongs to a difference range with a relatively large difference, and the width adjustment value of the transmission beam in the transmission beam adjustment parameter may be a relatively large second adjustment value, by calculating the original transmission beam. The difference between the width and the second adjustment value is obtained as a transmission beam having a smaller width. As shown in FIG. 2B, beam 0 is the original transmission beam, and beam 1 is used to calculate the difference between the width of the original transmission beam and the first adjustment value. The obtained target transmission beam; and the beam 2 and the beam 3 are target transmission beams obtained by calculating the difference between the width of the original transmission beam and the second adjustment value, and the wave 2 and 3 the beam direction can be obtained based on the direction of the beam offset zero.

In an embodiment, after adjusting the width of the transmit beam, the obtained target transmit beam has a very narrow width, so that the data receiving end is within the range covered by the transmit beam, thereby causing low reliability of data reception at the data receiving end. The number of target transmit beams can be increased. For example, there is only one original transmit beam and two target transmit beams. The transmit directions of the two target transmit beams can be left and right respectively in the direction of the original transmit beam. Offset an angle to get.

In step 203, according to the adjustment parameter, the width of the original transmission beam is reduced, and the angle of the original transmission beam is adjusted to obtain a target transmission beam, and step 204 or step 205 is performed.

In an embodiment, the original transmit beam is a data transmission beam when the actual number of transmissions of the data block to be transmitted is the same as the set transmission number, and the number of original transmission beams is one or more, and the number of original transmission beams is less than or equal to the target. The number of transmit beams.

In an embodiment, by adjusting parameters, such as the first adjustment value and the second adjustment value described in step 202, reducing the width of the original transmission beam and adjusting the angle of the original transmission beam, the target transmission beam can be obtained.

In step 204, each of the repeated transmissions of the data block to be transmitted is performed by the target transmission beam when there is only one target transmission beam.

In an embodiment, if there is only one target transmit beam, the target transmit beam can be used for each repeated transmission of the data block in performing the actual number of transmissions.

For example, the width of the target transmit beam obtained in step 202 is not too small, and the location of the user equipment is relatively stable, so the direction of the target transmit beam may be consistent with the direction of the original transmit beam.

In step 205, when there are multiple target transmission beams, the transmission of the data block to be transmitted is performed using the target transmission beam based on the correspondence between each repeated transmission and the target transmission beam, and the correspondence is configured by the base station.

In an embodiment, when there are multiple target transmission beams, the correspondence between each repeated transmission and the target transmission beam may be based on, for example, if there are two target transmission beams, such as beam 2 and beam 3 in FIG. 2B. The beam 2 corresponds to the first and third repeated transmissions, and the beam 3 corresponds to the second and fourth repetition transmissions, and the first transmission may be performed each time the data block is repeatedly transmitted in the actual number of transmissions. The second and third repetitions of transmission use beam 2 to transmit data, and when the second and fourth repetitions are performed, beam 3 is used to transmit data.

In an embodiment, the correspondence between each repeated transmission and the target transmission beam may be previously agreed by the system, or may be semi-statically configured by the base station.

In this embodiment, an implementation manner in which a base station determines a target transmit beam when the location of the user equipment is relatively stable is disclosed. The base station can obtain a higher directional gain by reducing the width of the target transmit beam, thereby enhancing data transmission. Reliability.

FIG. 3A is a flowchart of another data transmission method according to an exemplary embodiment, and FIG. 3B is a schematic diagram of a transmission beam according to an exemplary embodiment. This embodiment utilizes the foregoing method provided by an embodiment of the present disclosure. For example, the base station can be used to determine the target transmit beam when the location of the user equipment changes rapidly. The base station can perform the technical solution of the embodiment when the base station needs to repeatedly transmit a data block to the user equipment. When the user equipment needs to repeatedly transmit one data block to the base station, the technical solution of the embodiment is executed, and the target transmission beam determined by the embodiment is configured to be sent to the user equipment. As shown in FIG. 3A, the following steps are included:

In step 301, a difference between the set number of transmissions of the data block to be transmitted and the actual number of transmissions is calculated.

In step 302, the transmit beam adjustment parameter is determined according to the difference value range to which the difference belongs.

In an embodiment, the transmit beam adjustment parameters may be different according to different difference ranges. If the difference is relatively small and belongs to a difference range where the difference is relatively small, the width adjustment value of the transmit beam may be relatively small. If the third adjustment value is used, the sum of the width of the original transmission beam and the third adjustment value is calculated to obtain a transmission beam with a relatively small width to increase the coverage angle of the beam, and if the difference is relatively large, it belongs to a difference comparison. For a large difference range, the width adjustment value of the transmission beam may be relatively small. For the fourth adjustment value, the sum of the width of the original transmission beam and the fourth adjustment value may be calculated to obtain a transmission beam having a larger width.

In step 303, according to the adjustment parameter, the target transmission beam is obtained by increasing the width of the original transmission beam and adjusting the angle of the original transmission beam, and performing step 304 or 305.

In an embodiment, if the coverage angle of the transmit beam is increased according to the adjustment parameter, the width of the transmit beam is very wide. If more transmit beams are still used for transmitting data, the transmit beam overlap may be higher, so The transmit beam is appropriately reduced based on the number of original transmit beams. For example, there are 4 original transmit beams, and the target transmit beam may have two or even one. The transmit direction of the target transmit beam may pass through the original transmit beam. The direction is offset by an angle. Referring to FIG. 3B, it is assumed that the number of transmissions is set to four, and four original transmission beams are beam 0, beam 1, beam 2, and beam 3, respectively, performing the first, second, third, and third Used for four times of repeated transmission, and when the actual number of transmissions is 2, the width of the original transmission beam and the third adjustment value can be calculated by calculating the sum of the original transmission beam width and the third adjustment value, and the width of the target transmission beam 4 and the target transmission beam 5 can be obtained. The direction of the transmit beam is offset by an angle to obtain the direction of the target transmit beam 4 and the target transmit beam 5. When the actual number of transmissions is 1, the sum of the width of the original transmit beam and the fourth adjusted value can be calculated. The target transmits the width of the beam 6, and can be offset by an angle in the direction of the original transmit beam to obtain the direction of the target transmit beam 6.

In an embodiment, the original transmit beam is a data transmission beam when the actual number of transmissions of the data block to be transmitted is the same as the set transmission number. The number of original transmission beams is one or more, and the number of target transmission beams is less than or equal to the original. The number of transmit beams.

In step 304, each of the repeated transmissions of the data block to be transmitted is performed by the target transmission beam when there is only one target transmission beam.

In step 305, when there are multiple target transmission beams, the transmission of the data block to be transmitted is performed using the target transmission beam based on the correspondence between each repeated transmission and the target transmission beam, and the correspondence is configured by the base station.

In an embodiment, the description of step 304 and step 305 can be referred to the description of step 204 and step 205 of the embodiment shown in FIG. 2A, which will not be described in detail herein.

In this embodiment, an implementation manner in which a base station determines a target transmit beam when a location of a user equipment moves relatively fast is disclosed. The base station can obtain a higher coverage angle by increasing the width of the target transmit beam, thereby enhancing data transmission. reliability.

FIG. 4 is a flowchart of another data transmission method according to an exemplary embodiment. This embodiment uses the foregoing method provided by the embodiment of the present disclosure to exemplify how the user equipment obtains the target transmission beam, for example. As shown in Figure 4, the following steps are included:

In step 401, the transmit beam information configured by the base station is received, and the transmit beam information includes a target transmit beam corresponding to each actual number of transmissions.

In an embodiment, the base station can determine the location movement of the user equipment by using the channel state of the uplink channel of the user equipment, and further determine whether the actual transmission frequency of the user equipment is less than the set transmission frequency, whether the width of the transmission beam is increased or decreased. The width of the transmit beam. In an embodiment, when determining that the location of the user equipment is relatively stable, the base station may determine the transmit beam information by using steps 201-203 of the embodiment shown in FIG. 2A, and send the transmit beam information to the user equipment; in an embodiment. The base station determines the transmit beam information and sends the transmit beam information to the user equipment by using the steps 301-303 of the embodiment shown in FIG. 3A when determining that the location of the user equipment changes rapidly.

In step 402, a target transmission beam corresponding to the actual number of transmissions is selected from the configured transmission beam information.

In an embodiment, the transmit beam information may include a transmit beam that is available to the user equipment when the actual number of transmissions of the user equipment is the same as the set number of transmissions, and a transmit beam that is available to the user equipment when the actual number of transmissions of the user equipment is less than the set number of transmissions. When the user equipment receives the transmit beam information, the target transmit beam may be determined from the transmit beam information based on the actual number of transmissions.

In step 403, the data block to be transmitted is transmitted by the target transmit beam and/or the target transmit power.

In this embodiment, a method for the user equipment to determine the target transmission beam is disclosed. The user equipment may determine the available target transmission beam based on the transmission beam information and the actual number of transmissions configured by the base station, and increase the reliability of the data transmission.

FIG. 5 is a block diagram of a data transmission apparatus, which is applied to a data transmitting end, as shown in FIG. 5, according to an exemplary embodiment. The data transmission apparatus includes:

The determining module 51 is configured to determine a target transmit power and/or a target transmit beam of the data block to be transmitted based on the actual number of transmissions of the data block to be transmitted and the set number of transmissions;

The data sending module 52 is configured to send the to-be-transmitted data block by determining the target transmit beam and/or the target transmit power determined by the module.

In this embodiment, the data sending end may adjust the target sending power and/or the target transmitting beam of the data block to be transmitted based on the actual number of transmissions of the data block to be transmitted and the set number of transmissions, for example, the actual number of transmissions of the data block to be transmitted. 4 times, and the number of transmissions is set to 8 times, in order to improve the transmission reliability of the data block to be transmitted, the transmission power of the data block to be transmitted may be increased, or the width of the transmission beam of the data block to be transmitted may be adjusted, for example, by using A narrower transmit beam for higher directional gain. Therefore, the technical solution of the present disclosure realizes that the data transmitting end improves the transmission reliability of the data block to be transmitted by adjusting the target transmitting power and/or the target transmitting beam when the actual number of transmissions is less than the set number of transmissions.

FIG. 6 is a block diagram of a data transmission apparatus according to an exemplary embodiment. As shown in FIG. 6, on the basis of the embodiment shown in FIG. 5, in an embodiment, the determining module 51 includes:

The first calculation sub-module 511 is configured to calculate the sum of the original transmission power and an offset when the actual number of transmissions of the data block to be transmitted is less than the set transmission number, to obtain the target transmission power, and the original transmission power is to be The actual transmission frequency of the transmission data block is the same as the data transmission power when the number of transmission times is set, and the target transmission power is not greater than the maximum transmission power of the data transmission end.

In this embodiment, a method for determining the target transmission power is disclosed, and the target transmission power is increased when the actual number of transmissions is less than the set number of transmissions.

In an embodiment, the offset is a fixed value; or the offset is a semi-statically configured value; or the offset is a value calculated based on the actual number of transmissions and the set number of transmissions.

In this embodiment, a plurality of ways of determining the offset are disclosed.

In an embodiment, if the data sending end is a base station, and the downlink channel between the base station and the user equipment meets the first condition, the determining module 51 includes:

The second calculation sub-module 512 is configured to calculate a difference between the set transmission times of the data block to be transmitted and the actual transmission times;

The first determining submodule 513 is configured to determine a transmit beam adjustment parameter according to the difference value range to which the difference belongs;

The first adjustment sub-module 514 is configured to reduce the width of the original transmission beam and adjust the angle of the original transmission beam according to the adjustment parameter to obtain a target transmission beam, where the original transmission beam is the actual transmission times of the data block to be transmitted and Set the data transmission beam when the number of transmissions is the same.

In this embodiment, an implementation manner in which the base station determines a target transmit beam when the location of the user equipment is relatively stable is disclosed. The base station can obtain a higher directional gain by reducing the width of the target transmit beam, thereby enhancing data transmission. Reliability.

In an embodiment, if the data sending end is a base station, and the downlink channel between the base station and the user equipment meets the second condition, the determining module 51 includes:

The third calculation sub-module 515 is configured to calculate a difference between the set transmission times of the data block to be transmitted and the actual transmission times;

The second determining submodule 516 is configured to determine a transmit beam adjustment parameter according to the difference value range to which the difference belongs;

The second adjustment sub-module 517 is configured to obtain a target transmission beam by increasing the width of the original transmission beam and adjusting the angle of the original transmission beam according to the adjustment parameter, and the original transmission beam is the actual transmission frequency of the data block to be transmitted and Set the data transmission beam when the number of transmissions is the same.

The receiving module 53 is configured to receive the transmit beam information configured by the base station, where the transmit beam information includes a target transmit beam corresponding to each actual number of transmissions;

The determining module 51 includes:

The selection sub-module 518 is configured to select a target transmission beam corresponding to the actual number of transmissions from the configured transmission beam information.

In an embodiment, the data sending module 52 includes:

The first sending submodule 521 is configured to perform each repeated transmission of the to-be-transmitted data block by using the target transmitting beam when there is only one target transmitting beam;

The second sending sub-module 522 is configured to perform transmission of the to-be-transmitted data block using the target transmit beam based on the correspondence between each repeated transmission and the target transmit beam when there are multiple target transmit beams, and the corresponding relationship is performed by the base station. Configuration.

With regard to the apparatus in the above embodiments, the specific manner in which the respective modules perform the operations has been described in detail in the embodiment relating to the method, and will not be explained in detail herein.

The technical solution provided by the embodiment of the present disclosure can be applied to the user equipment of FIG. 7 as well as the base station of FIG. 8.

FIG. 7 is a block diagram of a data transmission apparatus suitable for use in accordance with an exemplary embodiment. For example, device 700 can be a user device such as a mobile phone, computer, digital broadcast terminal, messaging device, game console, tablet device, medical device, fitness device, personal digital assistant, and the like.

Referring to Figure 7, apparatus 700 can include one or more of the following components: processing component 702, memory 704, power component 706, multimedia component 708, audio component 712, input/output (I/O) interface 712, sensor component 714, And a communication component 716.

Processing component 702 typically controls the overall operation of device 700, such as operations associated with display, telephone calls, data communications, camera operations, and recording operations. Processing component 702 can include one or more processors 720 to execute instructions to perform all or part of the steps described above. Moreover, processing component 702 can include one or more modules to facilitate interaction between component 702 and other components. For example, processing component 702 can include a multimedia module to facilitate interaction between multimedia component 708 and processing component 702.

Memory 704 is configured to store various types of data to support operation at device 700. Examples of such data include instructions for any application or method operating on device 700, contact data, phone book data, messages, pictures, videos, and the like. Memory 704 can be implemented by any type of volatile or non-volatile storage device, or a combination thereof, 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, Disk or Optical Disk.

Power component 706 provides power to various components of device 700. Power component 706 can include a power management system, one or more power sources, and other components associated with generating, managing, and distributing power for device 700.

The multimedia component 708 includes a screen between the device 700 and the user that provides an output interface. In some embodiments, the screen can include a liquid crystal display (LCD) and a touch panel (TP). If the screen includes a touch panel, the screen can be implemented as a touch screen to receive input signals from the user. The touch panel includes one or more touch sensors to sense touches, slides, and gestures on the touch panel. The touch sensor can sense not only the boundaries of the touch or sliding action, but also the duration and pressure associated with the touch or slide operation. In some embodiments, the multimedia component 708 includes a front camera and/or a rear camera. When the device 700 is in an operation mode, such as a shooting mode or a video mode, the front camera and/or the rear camera can receive external multimedia data. Each front and rear camera can be a fixed optical lens system or have focal length and optical zoom capabilities.

The audio component 712 is configured to output and/or input an audio signal. For example, audio component 712 includes a microphone (MIC) that is configured to receive an external audio signal when device 700 is in an operational mode, such as a call mode, a recording mode, and a voice recognition mode. The received audio signal may be further stored in memory 704 or transmitted via communication component 716. In some embodiments, audio component 712 also includes a speaker for outputting an audio signal.

The I/O interface 712 provides an interface between the processing component 702 and the peripheral interface module, which may be a keyboard, a click wheel, a button, or the like. These buttons may include, but are not limited to, a home button, a volume button, a start button, and a lock button.

Sensor assembly 714 includes one or more sensors for providing device 700 with various aspects of status assessment. For example, sensor component 714 can detect an open/closed state of device 700, the relative positioning of components, such as a display and a keypad of device 700, and sensor component 714 can also detect a change in position of device 700 or a component of device 700, user The presence or absence of contact with device 700, device 700 orientation or acceleration/deceleration and temperature variation of device 700. Sensor assembly 714 can include a proximity sensor configured to detect the presence of nearby objects without any physical contact. Sensor component 714 can also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications. In some embodiments, the sensor component 714 can also include an acceleration sensor, a gyro sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.

Communication component 716 is configured to facilitate wired or wireless communication between device 700 and other devices. The device 700 can access a wireless network based on a communication standard, such as WiFi, 2G or 3G, or a combination thereof. In an exemplary embodiment, communication component 716 receives broadcast signals or broadcast associated information from an external broadcast management system via a broadcast channel. In an exemplary embodiment, communication component 716 also includes a near field communication (NFC) module to facilitate short range communication. For example, the NFC module can 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, apparatus 700 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 A gate array (FPGA), controller, microcontroller, microprocessor or other electronic component implementation for performing the method described in the first aspect.

In an exemplary embodiment, there is also provided a non-transitory computer readable storage medium comprising instructions, such as a memory 704 comprising instructions, which when executed, processor 720 of configurable device 700 performs the first aspect described above The method described.

FIG. 8 is a block diagram of a data transmission apparatus suitable for use in accordance with an exemplary embodiment. Apparatus 800 can be provided as a base station. Referring to Figure 8, apparatus 800 includes a processing component 822, a wireless transmit/receive component 824, an antenna component 826, and a signal processing portion specific to the wireless interface. Processing component 822 can further include one or more processors.

One of the processing components 822 can be configured to perform the method described in the first aspect above.

In an exemplary embodiment, a non-transitory computer readable storage medium including instructions stored on a storage medium having computer instructions executable by the processor to implement the method described in the first aspect above is also provided.

Other embodiments of the present disclosure will be readily apparent to those skilled in the <RTIgt; The present invention is intended to cover any variations, uses, or adaptations of the present disclosure, which are in accordance with the general principles of the present disclosure and include common general knowledge or conventional technical means in the art that are not disclosed in the present disclosure. . The specification and examples are to be regarded as illustrative only,

It is to be understood that the invention is not limited to the details of the details and The scope of the disclosure is to be limited only by the appended claims.

Claims

A data transmission method is characterized in that it is applied to a data transmitting end, and the method includes:

Determining a target transmit power and/or a target transmit beam of the data block to be transmitted based on the actual number of transmissions of the data block to be transmitted and the set number of transmissions;

Transmitting the to-be-transmitted data block by the target transmit beam and/or the target transmit power.
The method according to claim 1, wherein the determining the target transmission power of the data block to be transmitted based on the actual number of transmissions of the data block to be transmitted and the number of times of the transmission, including:

If the actual number of transmissions of the to-be-transmitted data block is less than the set number of transmissions, calculate a sum of the original transmission power and an offset to obtain the target transmission power, where the original transmission power is the to-be-transmitted data. The data transmission power when the actual number of transmissions of the block is the same as the number of times the transmission is set, and the target transmission power is not greater than the maximum transmission power of the data transmitting end.
The method according to claim 2, wherein the offset is a fixed value; or the offset is a semi-statically configured value; or the offset is based on the actual A value calculated by the number of transmissions and the set number of transmissions.
The method according to claim 1, wherein if the data transmitting end is a base station, and the downlink channel between the base station and the user equipment satisfies the first condition, the actual transmission times and settings based on the data block to be transmitted Determine the number of transmissions and determine the target transmit beam of the data block to be transmitted, including:

Calculating a difference between the set number of transmissions of the to-be-transmitted data block and the actual number of transmissions;

Determining a transmit beam adjustment parameter according to the difference value range to which the difference belongs;

Decelerating the width of the original transmit beam and adjusting the angle of the original transmit beam according to the adjustment parameter, to obtain the target transmit beam, where the original transmit beam is the actual transmission of the to-be-transmitted data block. The data transmission beam when the number of times is the same as the set number of transmissions.
The method according to claim 1, wherein if the data transmitting end is a base station, and the downlink channel between the base station and the user equipment satisfies the second condition, the actual transmission times and settings based on the data block to be transmitted Determine the number of transmissions and determine the target transmit beam of the data block to be transmitted, including:

Calculating a difference between the set number of transmissions of the to-be-transmitted data block and the actual number of transmissions;

Determining a transmit beam adjustment parameter according to the difference value range to which the difference belongs;

According to the adjustment parameter, the target transmission beam is obtained by increasing the width of the original transmission beam and adjusting the angle of the original transmission beam, where the original transmission beam is the actual transmission times and settings of the to-be-transmitted data block. The data transmission beam when the number of transmissions is the same.
The method according to claim 1, wherein if the data sending end is a user equipment, the method further comprises:

Receiving, by the base station, the transmit beam information, where the transmit beam information includes a target transmit beam corresponding to each actual number of transmissions;

Determining, according to the actual number of transmissions of the data block to be transmitted and the set number of transmissions, the target transmission beam of the data block to be transmitted, including:

A target transmission beam corresponding to the actual number of transmissions is selected from the configured transmission beam information.
The method according to claim 1, wherein the transmitting the data block to be transmitted by using the target transmit beam comprises:

When the target transmission beam has only one, each repeated transmission of the data block to be transmitted is performed by the target transmission beam;

When there are multiple target transmission beams, the transmission of the data block to be transmitted is performed using the target transmission beam based on the correspondence between each repeated transmission and the target transmission beam, and the correspondence is configured by the base station.
A data transmission device is characterized in that it is applied to a data transmitting end, and the device comprises:

a determining module configured to determine a target transmit power and/or a target transmit beam of the data block to be transmitted based on the actual number of transmissions of the data block to be transmitted and the set number of transmissions;

And a data sending module configured to send the to-be-transmitted data block by using the target transmit beam and/or the target transmit power determined by the determining module.
The apparatus according to claim 8, wherein the determining module comprises:

a first calculation submodule configured to calculate a sum of an original transmission power and an offset when the actual number of transmissions of the to-be-transmitted data block is less than a set transmission number, to obtain the target transmission power, where the original The data transmission power is the transmission power when the actual transmission times of the data block to be transmitted is the same as the set transmission frequency, and the target transmission power is not greater than the maximum transmission power of the data transmission end.
The apparatus according to claim 9, wherein said offset is a fixed value; or said offset is a semi-statically configured value; or said offset is based on said actual A value calculated by the number of transmissions and the set number of transmissions.
The apparatus according to claim 8, wherein if the data transmitting end is a base station, and the downlink channel between the base station and the user equipment satisfies the first condition, the determining module includes:

a second calculation submodule configured to calculate a difference between a set transmission number of the to-be-transmitted data block and an actual transmission number;

The first determining submodule is configured to determine a transmit beam adjustment parameter according to the difference value range to which the difference belongs;

The first adjustment sub-module is configured to reduce the width of the original transmission beam and adjust an angle of the original transmission beam according to the adjustment parameter to obtain the target transmission beam, where the original transmission beam is The data transmission beam when the actual number of transmissions of the data block to be transmitted is the same as the number of times the transmission is set.
The apparatus according to claim 8, wherein the determining module comprises: if the data transmitting end is a base station, and the downlink channel between the base station and the user equipment satisfies the second condition, the determining module comprises:

a third calculation submodule configured to calculate a difference between a set transmission number of the to-be-transmitted data block and an actual transmission number;

a second determining submodule configured to determine a transmit beam adjustment parameter according to the difference value range to which the difference belongs;

The second adjustment sub-module is configured to obtain the target transmission beam by increasing the width of the original transmission beam and adjusting the angle of the original transmission beam according to the adjustment parameter, where the original transmission beam is the to-be-transmitted The data transmission beam when the actual number of transmissions of the data block is the same as the set number of transmissions.
The device according to claim 8, wherein if the data sending end is a user equipment, the apparatus further comprises:

The receiving module is configured to receive the transmit beam information configured by the base station, where the transmit beam information includes a target transmit beam corresponding to each actual number of transmissions;

The determining module includes:

The selection submodule is configured to select a target transmission beam corresponding to the actual number of transmissions from the configured transmission beam information.
The device according to claim 8, wherein the data sending module comprises:

a first sending submodule configured to perform each repeated transmission of the to-be-transmitted data block by using the target transmit beam when there is only one target transmit beam;

The second sending submodule is configured to perform, according to the correspondence between each repeated transmission and the target transmitting beam, the transmission of the to-be-transmitted data block by using the target transmitting beam when the target transmitting beam has multiple The correspondence is configured by the base station.
A data transmitting end, comprising:

processor;

a memory for storing processor executable instructions;

Wherein the processor is configured to:

Determining a target transmit power and/or a target transmit beam of the data block to be transmitted based on the actual number of transmissions of the data block to be transmitted and the set number of transmissions;

Transmitting the to-be-transmitted data block by the target transmit beam and/or the target transmit power.
A non-transitory computer readable storage medium having computer instructions stored thereon, wherein the instructions are executed by a processor to implement the following steps:

Determining a target transmit power and/or a target transmit beam of the data block to be transmitted based on the actual number of transmissions of the data block to be transmitted and the set number of transmissions;

Transmitting the to-be-transmitted data block by the target transmit beam and/or the target transmit power.