阅读说明：本技术 一种数据传输方法及设备 (Data transmission method and equipment ) 是由 郑娟 李超君 于 2018-02-12 设计创作，主要内容包括：本申请实施例公开了一种数据传输方法及设备,涉及通信领域,在基于grant free的数据传输机制下,保证了接收端能够准确的确定出发送端传输数据的位置。具体方案为：第一设备确定一数据传输图案,所述数据传输图案对应于一时域资源；第一设备根据所述数据传输图案在所述时域资源上发送一个或多个参考信号R和至少一个物理信道D；其中,所述数据传输图案用于指示所述时域资源中用于所述一个或多个参考信号R和所述至少一个物理信道D的符号。(The embodiment of the application discloses a data transmission method and equipment, relates to the field of communication, and ensures that a receiving end can accurately determine the position of data transmission of the transmitting end under a grant free-based data transmission mechanism. The specific scheme is as follows: the first device determines a data transmission pattern, wherein the data transmission pattern corresponds to a time domain resource; the first device transmits one or more reference signals R and at least one physical channel D on the time domain resources according to the data transmission pattern; wherein the data transmission pattern is used to indicate symbols in the time domain resources for the one or more reference signals R and the at least one physical channel D.)

A method of data transmission, the method comprising:

the first device determines a data transmission pattern, wherein the data transmission pattern corresponds to a time domain resource;

the first device transmitting one or more reference signals R and at least one physical channel D on the time domain resources according to the data transmission pattern;

wherein the data transmission pattern is used to indicate symbols in the time domain resources for the one or more reference signals R and the at least one physical channel D.

A method of data transmission, the method comprising:

the second device receives one or more reference signals R;

the second device determines a data transmission pattern according to the one or more reference signals R, wherein the data transmission pattern corresponds to a time domain resource, and the time domain resource comprises the one or more reference signals R and at least one physical channel D;

wherein the data transmission pattern is used to indicate symbols in the time domain resources for the one or more reference signals R and the at least one physical channel D.

The method according to claim 1 or 2,

the number and/or position of symbols for the one or more reference signals R uniquely corresponds to the data transmission pattern.

The method according to any one of claims 1 to 3,

the data transmission pattern is one of at least two data transmission patterns included in a set of data transmission patterns;

the positions of the symbols for the one or more reference signals R in the time domain resources corresponding to different data transmission patterns in the set of data transmission patterns are different, and/or the numbers of the symbols for the one or more reference signals R in the time domain resources corresponding to different data transmission patterns in the set of data transmission patterns are different.

The method according to any of claims 1-4, wherein the at least two data transmission patterns comprise at least two of:

for indicating three consecutive symbols starting from the first symbol of the first time unit and which are in turn used for transmitting R, D, D the pattern;

for indicating three consecutive symbols starting from the fourth symbol of the first time unit and which are in turn used for transmitting D, D, R the pattern;

for indicating three consecutive symbols starting from the eighth symbol of the first time unit and which are in turn used for transmitting D, D, R the pattern;

indicating three consecutive symbols starting from the twelfth symbol of the first time unit and which are in turn used to transmit R, D, D the pattern.

The method according to any of claims 1-5, wherein the at least two data transmission patterns comprise at least two of:

for indicating three consecutive symbols starting from the first symbol of the first time unit and which are in turn used for transmitting R, D, D the pattern;

for indicating two consecutive symbols starting from the sixth symbol of the first time unit and which are in turn used for transmitting R, D the pattern;

for indicating two consecutive symbols starting from the tenth symbol of the first time unit and which are in turn used for transmitting R, D the pattern;

indicating three consecutive symbols starting from the twelfth symbol of the first time unit and which are in turn used to transmit R, D, D the pattern.

The method according to any of claims 1-6, wherein the at least two data transmission patterns comprise at least two of:

for indicating three consecutive symbols starting from the first symbol of the first time unit and which are in turn used for transmitting R, D, D the pattern;

for indicating four consecutive symbols starting from the fourth symbol of the first time unit and which are in turn used for transmitting D, D, R, D the pattern;

for indicating four consecutive symbols starting from the eighth symbol of the first time unit and which are in turn used for transmitting D, D, R, D the pattern;

indicating three consecutive symbols starting from the twelfth symbol of the first time unit and which are in turn used to transmit R, D, D the pattern.

The method according to any of claims 1-7, wherein the at least two data transmission patterns comprise at least two of:

for indicating five symbols in succession starting from the first symbol of the first time unit and which in turn are used for transmitting R, D, D, D, D the pattern;

for indicating five consecutive symbols starting from the sixth symbol of the first time unit and in turn used for transmitting R, D, D, D, R the pattern;

indicating four consecutive symbols starting from the eleventh symbol of the first time cell and which are in turn used to transmit D, R, D, D the pattern.

The method according to any of claims 1-8, wherein the at least two data transmission patterns comprise at least two of:

for indicating five symbols in succession starting from the first symbol of the first time unit and which in turn are used for transmitting R, D, D, D, D the pattern;

for indicating five consecutive symbols starting from the sixth symbol of the first time unit and in turn used for transmitting R, D, D, D, R the pattern;

indicating five consecutive symbols starting from the tenth symbol of the first time unit and which are in turn used to transmit D, D, R, D, D the pattern.

The method according to any of claims 1-9, wherein the at least two data transmission patterns comprise at least two of:

for indicating five symbols in succession starting from the first symbol of the first time unit and which in turn are used for transmitting R, D, D, D, D the pattern;

for indicating four consecutive symbols starting from the sixth symbol of the first time unit and which are in turn used for transmitting R, D, D, R the pattern;

indicating five consecutive symbols starting from the tenth symbol of the first time unit and which are in turn used to transmit R, D, D, D, D the pattern.

The method according to any of claims 1-10, wherein the at least two data transmission patterns comprise at least two of:

for indicating four consecutive symbols starting from the fourth symbol of the first time unit and which are in turn used for transmitting D, D, R, D the pattern;

for indicating four consecutive symbols starting from the eighth symbol of the first time unit and which are in turn used for transmitting D, D, R, D the pattern;

a pattern indicating six consecutive symbols starting from the twelfth symbol of the first time cell and ending with the third symbol of the second time cell, and the six consecutive symbols are used to transmit R, D, D, R, D, D in sequence; the second time unit is a time unit next to the first time unit, and the duration of the second time unit is equal to the duration of the first time unit.

The method according to any of claims 1-11, wherein the at least two data transmission patterns comprise at least two of:

for indicating four consecutive symbols starting from the fourth symbol of the first time unit and which are in turn used for transmitting R, D, D, D the pattern;

for indicating four consecutive symbols starting from the eighth symbol of the first time unit and which are in turn used for transmitting R, D, D, D the pattern;

a pattern indicating six consecutive symbols starting from the twelfth symbol of the first time cell and ending with the third symbol of the second time cell, and the six consecutive symbols are used to transmit R, D, D, R, D, D in sequence; the second time unit is a time unit next to the first time unit, and the duration of the second time unit is equal to the duration of the first time unit.

The method according to any of claims 1-12, wherein the at least two data transmission patterns comprise at least two of:

for indicating five symbols in succession starting from the first symbol of the first time unit and which in turn are used for transmitting R, D, D, D, D the pattern;

for indicating four consecutive symbols starting from the fourth symbol of the first time unit and which are in turn used for transmitting R, D, D, D the pattern;

for indicating four consecutive symbols starting from the sixth symbol of the first time unit and which are in turn used for transmitting R, D, D, R the pattern;

for indicating four consecutive symbols starting from the eighth symbol of the first time unit and which are in turn used for transmitting R, D, D, D the pattern;

for indicating five consecutive symbols starting from the tenth symbol of the first time unit and which are in turn used for transmitting R, D, D, D, D the pattern;

a pattern indicating six consecutive symbols starting from the twelfth symbol of the first time cell and ending with the third symbol of the second time cell, and the six consecutive symbols are used to transmit R, D, D, D, D, R in sequence; the second time unit is a time unit next to the first time unit, and the duration of the second time unit is equal to the duration of the first time unit.

The method according to any of claims 1-13, wherein the at least two data transmission patterns comprise at least two of:

for indicating five symbols in succession starting from the first symbol of the first time unit and which in turn are used for transmitting R, D, D, D, D the pattern;

for indicating four consecutive symbols starting from the fourth symbol of the first time unit and which are in turn used for transmitting R, D, D, D the pattern;

for indicating five symbols in succession starting from the sixth symbol of the first time unit and the four symbols in succession being used for transmitting R, D, D, D, R the pattern;

for indicating four consecutive symbols starting from the eighth symbol of the first time unit and which are in turn used for transmitting R, D, D, D the pattern;

for indicating five consecutive symbols starting from the tenth symbol of the first time unit and which are in turn used for transmitting D, R, R, D, D the pattern;

a pattern indicating six consecutive symbols starting from the twelfth symbol of the first time cell and ending with the third symbol of the second time cell, and the six consecutive symbols are used to transmit R, D, D, D, D, R in sequence; the second time unit is a time unit next to the first time unit, and the duration of the second time unit is equal to the duration of the first time unit.

The method according to any of claims 1-14, wherein the at least two data transmission patterns comprise at least two of:

for indicating seven consecutive symbols starting from the first symbol of the first time unit, and which are in turn used for transmitting R, D, D, D, D, R, D the pattern;

indicating the successive seven symbols starting from the eighth symbol of the first time unit and which in turn are used to transmit D, D, R, D, R, D, D the pattern.

The method according to any of claims 1-15, wherein the at least two data transmission patterns comprise at least two of:

for indicating seven consecutive symbols starting from the first symbol of the first time unit, and which are in turn used for transmitting R, D, D, D, D, R, D the pattern;

indicating the successive seven symbols starting from the eighth symbol of the first time unit and which in turn are used to transmit R, D, D, D, R, D, D the pattern.

The method according to any of claims 1-16, wherein the at least two data transmission patterns comprise at least two of:

for indicating the consecutive six symbols starting from the sixth symbol of the first time unit and in turn used for transmitting R, D, R, D, D, D the pattern;

a pattern indicating eight symbols consecutive from the twelfth symbol of the first time cell to the fifth symbol of the second time cell, and the consecutive eight symbols in turn being used to transmit R, D, D, R, D, D, D, D; the second time unit is a time unit next to the first time unit, and the duration of the second time unit is equal to the duration of the first time unit.

The method according to any of claims 1-17, wherein the at least two data transmission patterns comprise at least two of:

for indicating seven consecutive symbols starting from the first symbol of the first time unit, and which are in turn used for transmitting R, D, D, D, D, R, D the pattern;

for indicating the consecutive seven symbols starting from the fourth symbol of the first time unit, and the consecutive seven symbols are in turn used for transmitting D, D, R, D, D, D, R the pattern;

for indicating seven consecutive symbols starting from the eighth symbol of the first time unit, and which are in turn used for transmitting D, D, R, D, R, D, D the pattern;

eight symbols indicating a succession from the tenth symbol of the first time cell to the third symbol of the second time cell, and the succession of eight symbols being used in turn to transmit R, D, R, D, D, R, D, D the pattern; the second time unit is the next time unit of the first time unit, and the duration of the second time unit is equal to the duration of the first time unit;

indicating eight symbols consecutive from the twelfth symbol of the first time cell to the fifth symbol of the second time cell, and the eight symbols consecutive in turn are used to transmit R, D, D, R, D, D, D, D the pattern.

The method according to any of claims 1-18, wherein the at least two data transmission patterns comprise at least two of:

for indicating seven consecutive symbols starting from the first symbol of the first time unit, and which are in turn used for transmitting R, D, D, D, D, R, D the pattern;

for indicating the consecutive six symbols starting from the fourth symbol of the first time unit and in turn used for transmitting R, D, D, D, R, D the pattern;

for indicating the consecutive six symbols starting from the sixth symbol of the first time unit and in turn used for transmitting R, D, D, R, D, D the pattern;

for indicating seven consecutive symbols starting from the eighth symbol of the first time unit, and which are in turn used for transmitting D, D, R, D, R, D, D the pattern;

eight symbols indicating a succession from the tenth symbol of the first time cell to the third symbol of the second time cell, and the succession of eight symbols being used in turn to transmit D, D, R, D, D, R, D, D the pattern; the second time unit is the next time unit of the first time unit, and the duration of the second time unit is equal to the duration of the first time unit;

indicating eight symbols consecutive from the twelfth symbol of the first time cell to the fifth symbol of the second time cell, and the eight symbols consecutive in turn are used to transmit R, D, D, D, D, R, D, D the pattern.

The method according to any one of claims 1, 3-19,

the first device transmits data based on a non-scheduled grant; wherein the non-scheduling grant is implemented based on a semi-persistent scheduling (SPS) mechanism or through a high-layer signaling configuration.

The method of any one of claims 1-20,

the data transmission pattern is used to indicate that only one symbol in the time domain resource is used for one reference signal R;

the time domain resource comprises at least two third time units, and the length of each third time unit is less than 14 symbols.

The method of any one of claims 1-20,

when the time domain resources include at least two third time units and the data transmission pattern is used to indicate that only one symbol is used for one reference signal R in the time domain resources corresponding to the at least two third time units included in the time domain resources, the frequency resources used for the at least one physical channel D in the time domain resources corresponding to the at least two third time units are the same;

wherein the length of the third time unit is less than 14 symbols.

The method according to any one of claims 5 to 19,

all symbols indicated in the data transmission pattern for transmission D correspond to one transmission of the same physical channel or to at least 2 repeated transmissions of the same physical channel or to a single transmission of a different physical channel.

The method according to claim 1 or 2,

when the positions of the symbols for the one or more reference signals R in the time domain resources corresponding to different data transmission patterns in the set of data transmission patterns are the same, the reference signals transmitted on the symbols for the one or more reference signals R of different data transmission patterns are different, and/or the frequency domain resources used by the reference signals transmitted on the symbols for the one or more reference signals R of different data transmission patterns are different, and/or the number of the symbols for the one or more reference signals R in the time domain resources corresponding to different data transmission patterns is different.

A first device, characterized in that the first device comprises:

a determining unit, configured to determine a data transmission pattern, where the data transmission pattern corresponds to a time domain resource;

a transmitting unit, configured to transmit one or more reference signals R and at least one physical channel D on the time domain resources according to the data transmission pattern;

wherein the data transmission pattern is used to indicate symbols in the time domain resources for the one or more reference signals R and the at least one physical channel D.

A second device, characterized in that the second device comprises:

a receiving unit for receiving one or more reference signals R;

a determining unit, configured to determine a data transmission pattern according to the one or more reference signals R, where the data transmission pattern corresponds to a time domain resource, and the time domain resource includes the one or more reference signals R and at least one physical channel D;

wherein the data transmission pattern is used to indicate symbols in the time domain resources for the one or more reference signals R and the at least one physical channel D.

The apparatus of claim 25 or 26,

the number and/or position of symbols for the one or more reference signals R uniquely corresponds to the data transmission pattern.

The apparatus according to any one of claims 25-27,

the data transmission pattern is one of at least two data transmission patterns included in a set of data transmission patterns;

the positions of the symbols for the one or more reference signals R in the time domain resources corresponding to different data transmission patterns in the set of data transmission patterns are different, and/or the numbers of the symbols for the one or more reference signals R in the time domain resources corresponding to different data transmission patterns in the set of data transmission patterns are different.

The apparatus according to any of claims 25-28, wherein the at least two data transmission patterns comprise at least two of:

for indicating three consecutive symbols starting from the first symbol of the first time unit and which are in turn used for transmitting R, D, D the pattern;

for indicating three consecutive symbols starting from the fourth symbol of the first time unit and which are in turn used for transmitting D, D, R the pattern;

for indicating three consecutive symbols starting from the eighth symbol of the first time unit and which are in turn used for transmitting D, D, R the pattern;

indicating three consecutive symbols starting from the twelfth symbol of the first time unit and which are in turn used to transmit R, D, D the pattern.

The apparatus according to any of claims 25-29, wherein the at least two data transmission patterns comprise at least two of:

for indicating three consecutive symbols starting from the first symbol of the first time unit and which are in turn used for transmitting R, D, D the pattern;

for indicating two consecutive symbols starting from the sixth symbol of the first time unit and which are in turn used for transmitting R, D the pattern;

for indicating two consecutive symbols starting from the tenth symbol of the first time unit and which are in turn used for transmitting R, D the pattern;

indicating three consecutive symbols starting from the twelfth symbol of the first time unit and which are in turn used to transmit R, D, D the pattern.

The apparatus according to any of claims 25-30, wherein the at least two data transmission patterns comprise at least two of:

for indicating three consecutive symbols starting from the first symbol of the first time unit and which are in turn used for transmitting R, D, D the pattern;

for indicating four consecutive symbols starting from the fourth symbol of the first time unit and which are in turn used for transmitting D, D, R, D the pattern;

for indicating four consecutive symbols starting from the eighth symbol of the first time unit and which are in turn used for transmitting D, D, R, D the pattern;

indicating three consecutive symbols starting from the twelfth symbol of the first time unit and which are in turn used to transmit R, D, D the pattern.

The apparatus according to any of claims 25-31, wherein the at least two data transmission patterns comprise at least two of:

for indicating five symbols in succession starting from the first symbol of the first time unit and which in turn are used for transmitting R, D, D, D, D the pattern;

for indicating five consecutive symbols starting from the sixth symbol of the first time unit and in turn used for transmitting R, D, D, D, R the pattern;

indicating four consecutive symbols starting from the eleventh symbol of the first time cell and which are in turn used to transmit D, R, D, D the pattern.

The apparatus according to any of claims 25-32, wherein the at least two data transmission patterns comprise at least two of:

for indicating five symbols in succession starting from the first symbol of the first time unit and which in turn are used for transmitting R, D, D, D, D the pattern;

for indicating five consecutive symbols starting from the sixth symbol of the first time unit and in turn used for transmitting R, D, D, D, R the pattern;

indicating five consecutive symbols starting from the tenth symbol of the first time unit and which are in turn used to transmit D, D, R, D, D the pattern.

The apparatus according to any of claims 25-33, wherein the at least two data transmission patterns comprise at least two of:

for indicating five symbols in succession starting from the first symbol of the first time unit and which in turn are used for transmitting R, D, D, D, D the pattern;

for indicating four consecutive symbols starting from the sixth symbol of the first time unit and which are in turn used for transmitting R, D, D, R the pattern;

indicating five consecutive symbols starting from the tenth symbol of the first time unit and which are in turn used to transmit R, D, D, D, D the pattern.

The apparatus according to any of claims 25-34, wherein the at least two data transmission patterns comprise at least two of:

for indicating four consecutive symbols starting from the fourth symbol of the first time unit and which are in turn used for transmitting D, D, R, D the pattern;

for indicating four consecutive symbols starting from the eighth symbol of the first time unit and which are in turn used for transmitting D, D, R, D the pattern;

a pattern indicating six consecutive symbols starting from the twelfth symbol of the first time cell and ending with the third symbol of the second time cell, and the six consecutive symbols are used to transmit R, D, D, R, D, D in sequence; the second time unit is a time unit next to the first time unit, and the duration of the second time unit is equal to the duration of the first time unit.

The apparatus according to any of claims 25-35, wherein the at least two data transmission patterns comprise at least two of:

for indicating four consecutive symbols starting from the fourth symbol of the first time unit and which are in turn used for transmitting R, D, D, D the pattern;

for indicating four consecutive symbols starting from the eighth symbol of the first time unit and which are in turn used for transmitting R, D, D, D the pattern;

a pattern indicating six consecutive symbols starting from the twelfth symbol of the first time cell and ending with the third symbol of the second time cell, and the six consecutive symbols are used to transmit R, D, D, R, D, D in sequence; the second time unit is a time unit next to the first time unit, and the duration of the second time unit is equal to the duration of the first time unit.

The apparatus according to any of claims 25-36, wherein the at least two data transmission patterns comprise at least two of:

for indicating five symbols in succession starting from the first symbol of the first time unit and which in turn are used for transmitting R, D, D, D, D the pattern;

for indicating four consecutive symbols starting from the fourth symbol of the first time unit and which are in turn used for transmitting R, D, D, D the pattern;

for indicating four consecutive symbols starting from the sixth symbol of the first time unit and which are in turn used for transmitting R, D, D, R the pattern;

for indicating four consecutive symbols starting from the eighth symbol of the first time unit and which are in turn used for transmitting R, D, D, D the pattern;

for indicating five consecutive symbols starting from the tenth symbol of the first time unit and which are in turn used for transmitting R, D, D, D, D the pattern;

a pattern indicating six consecutive symbols starting from the twelfth symbol of the first time cell and ending with the third symbol of the second time cell, and the six consecutive symbols are used to transmit R, D, D, D, D, R in sequence; the second time unit is a time unit next to the first time unit, and the duration of the second time unit is equal to the duration of the first time unit.

The apparatus according to any of claims 25-37, wherein the at least two data transmission patterns comprise at least two of:

for indicating five symbols in succession starting from the first symbol of the first time unit and which in turn are used for transmitting R, D, D, D, D the pattern;

for indicating four consecutive symbols starting from the fourth symbol of the first time unit and which are in turn used for transmitting R, D, D, D the pattern;

for indicating five symbols in succession starting from the sixth symbol of the first time unit and the four symbols in succession being used for transmitting R, D, D, D, R the pattern;

for indicating four consecutive symbols starting from the eighth symbol of the first time unit and which are in turn used for transmitting R, D, D, D the pattern;

for indicating five consecutive symbols starting from the tenth symbol of the first time unit and which are in turn used for transmitting D, R, R, D, D the pattern;

a pattern indicating six consecutive symbols starting from the twelfth symbol of the first time cell and ending with the third symbol of the second time cell, and the six consecutive symbols are used to transmit R, D, D, D, D, R in sequence; the second time unit is a time unit next to the first time unit, and the duration of the second time unit is equal to the duration of the first time unit.

The apparatus according to any of claims 25-38, wherein the at least two data transmission patterns comprise at least two of:

for indicating seven consecutive symbols starting from the first symbol of the first time unit, and which are in turn used for transmitting R, D, D, D, D, R, D the pattern;

indicating the successive seven symbols starting from the eighth symbol of the first time unit and which in turn are used to transmit D, D, R, D, R, D, D the pattern.

The apparatus according to any of claims 25-39, wherein the at least two data transmission patterns comprise at least two of:

for indicating seven consecutive symbols starting from the first symbol of the first time unit, and which are in turn used for transmitting R, D, D, D, D, R, D the pattern;

indicating the successive seven symbols starting from the eighth symbol of the first time unit and which in turn are used to transmit R, D, D, D, R, D, D the pattern.

The apparatus according to any of claims 25-40, wherein the at least two data transmission patterns comprise at least two of:

for indicating the consecutive six symbols starting from the sixth symbol of the first time unit and in turn used for transmitting R, D, R, D, D, D the pattern;

a pattern indicating eight symbols consecutive from the twelfth symbol of the first time cell to the fifth symbol of the second time cell, and the consecutive eight symbols in turn being used to transmit R, D, D, R, D, D, D, D; the second time unit is a time unit next to the first time unit, and the duration of the second time unit is equal to the duration of the first time unit.

The device according to any of claims 25-41, wherein the at least two data transmission patterns comprise at least two of:

for indicating seven consecutive symbols starting from the first symbol of the first time unit, and which are in turn used for transmitting R, D, D, D, D, R, D the pattern;

for indicating the consecutive seven symbols starting from the fourth symbol of the first time unit, and the consecutive seven symbols are in turn used for transmitting D, D, R, D, D, D, R the pattern;

for indicating seven consecutive symbols starting from the eighth symbol of the first time unit, and which are in turn used for transmitting D, D, R, D, R, D, D the pattern;

eight symbols indicating a succession from the tenth symbol of the first time cell to the third symbol of the second time cell, and the succession of eight symbols being used in turn to transmit R, D, R, D, D, R, D, D the pattern; the second time unit is the next time unit of the first time unit, and the duration of the second time unit is equal to the duration of the first time unit;

indicating eight symbols consecutive from the twelfth symbol of the first time cell to the fifth symbol of the second time cell, and the eight symbols consecutive in turn are used to transmit R, D, D, R, D, D, D, D the pattern.

The device according to any of claims 25-42, wherein said at least two data transmission patterns comprise at least two of:

for indicating seven consecutive symbols starting from the first symbol of the first time unit, and which are in turn used for transmitting R, D, D, D, D, R, D the pattern;

for indicating the consecutive six symbols starting from the fourth symbol of the first time unit and in turn used for transmitting R, D, D, D, R, D the pattern;

for indicating the consecutive six symbols starting from the sixth symbol of the first time unit and in turn used for transmitting R, D, D, R, D, D the pattern;

for indicating seven consecutive symbols starting from the eighth symbol of the first time unit, and which are in turn used for transmitting D, D, R, D, R, D, D the pattern;

eight symbols indicating a succession from the tenth symbol of the first time cell to the third symbol of the second time cell, and the succession of eight symbols being used in turn to transmit D, D, R, D, D, R, D, D the pattern; the second time unit is the next time unit of the first time unit, and the duration of the second time unit is equal to the duration of the first time unit;

indicating eight symbols consecutive from the twelfth symbol of the first time cell to the fifth symbol of the second time cell, and the eight symbols consecutive in turn are used to transmit R, D, D, D, D, R, D, D the pattern.

The apparatus of any one of claims 25, 27-43,

the first device transmits data based on a non-scheduled grant; wherein the non-scheduling grant is implemented based on a semi-persistent scheduling (SPS) mechanism or through a high-layer signaling configuration.

The apparatus of any one of claims 25-44,

the data transmission pattern is used to indicate that only one symbol in the time domain resource is used for one reference signal R;

the time domain resource comprises at least two third time units, and the length of each third time unit is less than 14 symbols.

The apparatus of any one of claims 25-45,

when the time domain resources include at least two third time units and the data transmission pattern is used to indicate that only one symbol is used for one reference signal R in the time domain resources corresponding to the at least two third time units included in the time domain resources, the frequency resources used for the at least one physical channel D in the time domain resources corresponding to the at least two third time units are the same;

wherein the length of the third time unit is less than 14 symbols.

The apparatus of any one of claims 29-42,

all symbols indicated in the data transmission pattern for transmission D correspond to one transmission of the same physical channel or to at least 2 repeated transmissions of the same physical channel or to a single transmission of a different physical channel.

The apparatus of claim 25 or 26,

when the positions of the symbols for the one or more reference signals R in the time domain resources corresponding to different data transmission patterns in the set of data transmission patterns are the same, the reference signals transmitted on the symbols for the one or more reference signals R of different data transmission patterns are different, and/or the frequency domain resources used by the reference signals transmitted on the symbols for the one or more reference signals R of different data transmission patterns are different, and/or the number of the symbols for the one or more reference signals R in the time domain resources corresponding to different data transmission patterns is different.

An apparatus, comprising: at least one processor, and a memory; it is characterized in that the preparation method is characterized in that,

the memory is for storing a computer program such that the computer program when executed by the at least one processor implements the data transmission method of any one of claims 1-24.

A computer storage medium, on which a computer program is stored, which program, when executed by at least one processor, carries out the data transmission method according to any one of claims 1 to 24.