CN114424652A

CN114424652A - Data transmission method and data transmission device

Info

Publication number: CN114424652A
Application number: CN201980100605.9A
Authority: CN
Inventors: 余政; 温容慧
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2019-09-30
Filing date: 2019-09-30
Publication date: 2022-04-29
Also published as: WO2021062724A1

Abstract

A method of data transmission, comprising: the network equipment indicates the range where the SLIV and the (S + L) are located to the terminal equipment, the terminal equipment can use the SLIV and the Lmax to determine the first numerical value and the second numerical value, the first numerical value and the second numerical value are calculated according to the SLIV and the Lmax by adopting different calculation formulas, and the Lmax is the maximum value which can be taken by the L, so that the first numerical value and the second numerical value can represent the numerical value which is smaller than the SLIV and corresponds to the SLIV, and finally the range where the (S + L) is located, the first numerical value and the second numerical value are used to determine the S and the L, so that the S and the L do not need to be directly obtained by the SLIV in the embodiment of the application, and the problem that one SLIV corresponds to a plurality of { S, L } combinations is avoided.

Description

Data transmission method and data transmission device

Technical Field

The embodiment of the application relates to the field of communication, and in particular relates to a data transmission method and a data transmission device.

Background

In a New Radio (NR) communication system, each slot (slot) of a normal Cyclic Prefix (CP) contains 14 symbols, and each slot of an extended cyclic prefix contains 12 symbols. For transmission of a Physical Uplink Shared Channel (PUSCH), a base station indicates a start symbol S of a PUSCH transmission and a length L of transmission within one slot. For normal CP, S may take on values in the set {0,1,2,3 …,13}, L takes on values in the set {1,2,3, …,14}, and S + L < ═ 14. For extended CP, the value of S may be a value in the set {0,1,2,3 …,11}, the value of L may be a value in the set {1,2,3, …,12}, and S + L < ═ 12.

The network device sends a Start and Length Indicator Value (SLIV) to a User Equipment (UE), where the SLIV indicates a start symbol S and a length L of a PUSCH transmission.

In order to better support low-latency and highly reliable traffic transmission, enhancement of the transmission of the PUSCH is required. For example, transmission of PUSCH may be allowed to cross slot boundaries, and only one control channel may be needed for scheduling and resource indication of PUSCH. At this time, the maximum length of the sum of the start symbol S and the length L of the PUSCH transmission may exceed 14 for the normal CP, and may exceed 12 for the extended CP.

For normal CP, the maximum length of the sum of the start symbol S and the length L may be less than or equal to 14, or may be greater than 14, and likewise, for extended CP, the maximum length of the sum of the start symbol S and the length L may be less than or equal to 12, or may be greater than 12. Thus, the same SLIV value sent by a network device may correspond to two different S, L combinations. For example, the UE obtains an SLIV of 26, but 26 corresponds to two different { S, L } combinations, e.g., L ═ 2, S ═ 12, and L ═ 14, S ═ 1.

After acquiring the SLIV, the UE still has an unsolved problem of how to determine which { S, L } combination should be used for PUSCH transmission.

Disclosure of Invention

The embodiment of the application provides a data transmission method and a data transmission device, which are used for enabling terminal equipment to determine a starting resource S and a length L in a low-complexity mode.

In order to solve the above technical problem, an embodiment of the present application provides the following technical solutions:

in a first aspect, an embodiment of the present application provides a data transmission method, where an execution subject of the method may be a terminal device, and may also be a chip applied to the terminal device. The following description will be given taking as an example that the execution main body is a terminal device. The method comprises the following steps: receiving first information and second information sent by a network device, wherein the first information indicates a starting length indication value SLIV determined by the network device, the second information indicates a range in which (S + L) is located, S is a starting resource, and L is a resource length; determining a first numerical value and a second numerical value according to the SLIV, wherein the first numerical value is floor (SLIV/Lmax) +1, the second numerical value is SLIV mod (Lmax), the floor is a down rounding function, the Lmax is a preset numerical value or the maximum length value of the L, and the mod is a modulo operation function; determining the S and the L according to the range of the (S + L), the first numerical value and the second numerical value; and carrying out data transmission according to the S and the L. In the embodiment of the present application, the network device indicates the range where the SLIV and (S + L) are located to the terminal device, and the terminal device may determine the first value and the second value by using the SLIV and the Lmax, since the first and second values are calculated from SLIV and Lmax using different calculation formulas, and Lmax is the maximum value L can take, so the first and second values may represent a smaller value than SLIV, corresponding to SLIV, and finally the range in which (S + L) is located, the first and second values may be used to determine S and L, therefore, in the embodiment of the present application, S and L do not need to be directly obtained by an SLIV, so that the problem that one SLIV corresponds to multiple { S, L } combinations is avoided.

In a possible implementation manner, the determining the S and the L according to the range in which the (S + L) is located, the first numerical value, and the second numerical value includes: the range in which (S + L) indicated by the second information is located is a first range, the sum of the first numerical value and the second numerical value belongs to the first range, the value of L is determined to be the first numerical value, and the value of S is determined to be the second numerical value; wherein, the first range is (0, Lmax ]. in this scheme, after the terminal device determines the first value and the second value, the range where the sum of the first value and the second value is located is determined, the range where (S + L) indicated by the second information is located is the first range, and the sum of the first value and the second value belongs to the first range, that is, (S + L), (the first value + the second value) are both in the first range, the first range is (0, Lmax), for example, the value of Lmax is 14, therefore ((S + L)) is less than or equal to Lmax, and the sum of the first value and the second value is also less than or equal to Lmax, at this time, the value of L is determined to be the first value, the value of S is determined to be the second value, L can be calculated using the first value, S can be calculated using the second value, therefore, in this embodiment, it is not necessary for the network device to indicate which { S corresponding to one SLIV should be used, l, so as to save signaling overhead and reduce the implementation complexity of network equipment and terminal equipment.

In a possible implementation manner, the determining the S and the L according to the range in which the (S + L) is located, the first numerical value, and the second numerical value includes: the range in which (S + L) indicated by the second information is located is a first range, the sum of the first numerical value and the second numerical value belongs to a second range, the value of L is determined to be (Lmax + 2-first numerical value), and the value of S is determined to be (Lmax-1-second numerical value); wherein the first range is (0, Lmax ], the minimum value of the second range is (Lmax +1), or the second range is (Lmax, 2 xLmax), in the scheme, after the terminal device determines the first value and the second value, the range where the sum of the first value and the second value is located is determined, the range where (S + L) indicated by the second information is located is the first range, and the sum of the first value and the second value belongs to the second range, i.e., (S + L) is the first range, and (first value + second value) is the second range, the first range is (0, Lmax), e.g., Lmax is 14, the minimum value of the second range is Lmax +1, or the second range is (Lmax, 2 xLmax), or the second range is more than Lmax, i.e., the second range > Lmax, i.e., the lower limit of the Lmax +1, or the second range is less than (S + L), i.e., the lower limit of the second range is less than Lmax +1 And the sum of the first and second values is greater than Lmax. Alternatively, the sum of the first and second values is greater than Lmax and the sum of the first and second values is less than 2 Lmax. When the above conditions are satisfied, L has a value of (Lmax + 2-first value), S has a value of (Lmax-1-second value), L can be calculated using the first value, and S can be calculated using the second value. Therefore, in the embodiment of the application, the network device does not need to indicate which { S, L } combination corresponding to one SLIV should be adopted, so that the signaling overhead is saved, and the implementation complexity of the network device and the terminal device is reduced.

In a possible implementation manner, the determining the S and the L according to the range in which the (S + L) is located, the first numerical value, and the second numerical value includes: the range in which (S + L) indicated by the second information is located is a second range, the sum of the first numerical value and the second numerical value belongs to the first range, the value of L is determined to be (Lmax + 2-first numerical value), and the value of S is determined to be (Lmax-1-second numerical value); wherein the first range is (0, Lmax ], the minimum value of the second range is (Lmax +1), or the second range is (Lmax, 2 × Lmax), in the scheme, after the terminal device determines the first value and the second value, the range in which the sum of the first value and the second value is located is determined, the range in which (S + L) indicated according to the second information is located is the second range, and the sum of the first value and the second value belongs to the first range, that is, (the first value + the second value) is the first range, and (S + L) is the second range, the first range is (0, Lmax ], e.g., Lmax is 14, the minimum value of the second range is (Lmax +1), or the second range is (Lmax, 2 × Lmax), or the second range is greater than Lmax, so (the first value + the second value) is less than or equal to Lmax, and (S + L) is greater than Lmax or L, (S + L) is greater than Lmax, and (S + L) is less than 2 Lmax. When the above conditions are satisfied, L has a value of (Lmax + 2-first value), S has a value of (Lmax-1-second value), L can be calculated using the first value, and S can be calculated using the second value. Therefore, in the embodiment of the application, the network device does not need to indicate which { S, L } combination corresponding to one SLIV should be adopted, so that the signaling overhead is saved, and the implementation complexity of the network device and the terminal device is reduced.

In a possible implementation manner, the determining the S and the L according to the range in which the (S + L) is located, the first numerical value, and the second numerical value includes: the range in which (S + L) indicated by the second information is located is a second range, the sum of the first numerical value and the second numerical value belongs to the second range, the value of L is determined to be the first numerical value, and the terminal device determines the value of S to be the second numerical value; wherein the minimum value of the second range is the Lmax +1, or the second range is (Lmax, 2 × Lmax). In this scheme, after the terminal device determines the first value and the second value, a range in which a sum of the first value and the second value is located is determined, the range in which (S + L) indicated according to the second information is located is the second range, and the sum of the first value and the second value belongs to the second range, that is, (the first value + the second value) is in the second range, (S + L) is in the second range, a minimum value of the second range is Lmax +1, or the second range is (Lmax, 2 × Lmax), or the second range is greater than Lmax. Therefore, (the first value + the second value) is greater than Lmax, (S + L) is greater than Lmax. Or (the first value + the second value) is greater than Lmax and (the first value + the second value) is less than 2Lmax, (S + L) is greater than Lmax and (S + L) is less than 2 Lmax. For example, Lmax takes the value 14. When the conditions are met, the value of L is determined to be a first numerical value, the value of S is determined to be a second numerical value, L can be calculated by using the first numerical value, and S can be calculated by using the second numerical value. Therefore, in the embodiment of the application, the network device does not need to indicate which { S, L } combination corresponding to one SLIV should be adopted, so that the signaling overhead is saved, and the implementation complexity of the network device and the terminal device is reduced.

In a second aspect, an embodiment of the present application further provides a data transmission method, where an execution subject of the method may be a network device or a chip applied to the network device. The following description will be given taking as an example that the execution subject is a network device. The method comprises the following steps: determining an initial resource S and a resource length L for data transmission of the terminal equipment; sending first indication information to the terminal device, where the first indication information is used to indicate that the S uses X resource units as granularity, the L uses Y resource units as granularity, and at least one of the X and the Y is greater than or equal to 2; or the first indication information is used for indicating that the S and the L take Z resource units as granularity, and the Z is greater than or equal to 2; determining a starting length indication value SLIV according to the S and the L; and sending second indication information to the terminal equipment, wherein the second indication information is used for indicating the SLIV. In this embodiment of the present application, the network device may determine the granularity of the starting resource S and the granularity of the resource length L, where at least one of the resource granularity of S and L is greater than or equal to 2, so that the network device may indicate, to the terminal device, that the resource granularity for data transmission by the terminal device is 2 or more than 2 resource units, and the network device determines the SLIV using the 2 or more than 2 resource units as the granularity, and by increasing the granularity of resource allocation, the bit overhead of frequency domain resource allocation is reduced.

In one possible implementation, the method further includes: sending third indication information to the terminal equipment, wherein the third indication information indicates a first numerical value; wherein the first value and the X are used for determining the value of the S, and the first value is greater than 0 and less than or equal to (X-1); or the first value and the Z are used for determining the value of the S, and the first value is greater than 0 and less than or equal to (Z-1). In this scenario, the network device may further determine a first value, where the first value may be used to determine a value of S, for example, the first value may be an offset when S is calculated. The first value may be used together with X to determine a value of S, where the first value is greater than 0 and less than or equal to (X-1), for example, S may be equal to X × m + the first value, where X represents multiplication, m is a predetermined positive integer, but not limited to, based on the manner of calculating S, other similar manners may also be adopted, for example, the first value is an adjustment parameter of the starting resource, S may be equal to X + the first value, or S may be equal to X × the first value.

In one possible implementation, the method further includes: sending fourth indication information to the terminal equipment, wherein the fourth indication information indicates a second numerical value; determining the value of the L according to the second numerical value and the Y, wherein the second numerical value is greater than 0 and less than or equal to (Y-1); or determining the value of the L according to the second numerical value and the Z, wherein the second numerical value is larger than 0 and smaller than or equal to (Z-1). In this scheme, the network device may further determine a second value, where the second value may be used to determine a value of L, for example, the second value may be an offset when L is calculated. The second value may be used together with Y to determine a value of L, where the second value is greater than 0 and less than or equal to (Y-1), for example, L may be equal to Y × m + a second value, where x represents multiplication, m is a predetermined positive integer, but not limited to, based on the manner of calculating L, other similar manners may also be adopted, for example, the second value is an adjustment parameter of the starting resource, L may be equal to Y + the second value, or L may be equal to Y × the second value.

In a third aspect, an embodiment of the present application further provides a data transmission method, where an execution subject of the method may be a terminal device, and may also be a chip applied to the terminal device. The following description will be given taking as an example that the execution main body is a terminal device. The method comprises the following steps: receiving first indication information sent by a network device, where the first indication information is used to indicate that an initial resource S takes X resource units as granularity, and a resource length L takes Y resource units as granularity, and at least one of X and Y is greater than or equal to 2; or the first indication information is used for indicating that the S and the L take Z resource units as granularity, and the Z is greater than or equal to 2; and determining the granularity of the S and the granularity of the L, and receiving second indication information sent by the network equipment, wherein the second indication information is used for indicating a starting length indication value SLIV. In this embodiment of the present application, the network device may determine the granularity of the starting resource S and the granularity of the resource length L, where at least one of the resource granularity of S and L is greater than or equal to 2, so that the network device may indicate, to the terminal device, that the resource granularity for data transmission by the terminal device is 2 or more than 2 resource units, and the network device determines the SLIV using the 2 or more than 2 resource units as the granularity, and by increasing the granularity of resource allocation, the bit overhead of frequency domain resource allocation is reduced.

In one possible implementation, the method further includes: receiving third indication information sent by the network equipment, wherein the third indication information indicates a first numerical value; determining the value of S according to the first numerical value, the X and the SLV, wherein the first numerical value is greater than 0 and less than or equal to (X-1); or determining the value of S according to the first value, the Z and the SLV, wherein the first value is larger than 0 and smaller than or equal to (Z-1). In this scheme, the terminal device may determine according to the received third indication information, where the first value may be used to determine a value of S, for example, the first value may be an offset when S is calculated. The first value may be used together with X to determine a value of S, where the first value is greater than 0 and less than or equal to (X-1), for example, S may be equal to X × m + the first value, where X represents multiplication, m is a predetermined positive integer, but not limited to, based on the manner of calculating S, other similar manners may also be adopted, for example, the first value is an adjustment parameter of the starting resource, S may be equal to X + the first value, or S may be equal to X × the first value.

In one possible implementation, the method further includes: sending fourth indication information to the terminal equipment, wherein the fourth indication information indicates a second numerical value; determining the value of the L according to the second numerical value, the Y and the SLV, wherein the second numerical value is greater than 0 and less than or equal to (Y-1); or determining the value of the L according to the second numerical value, the Z and the SLV, wherein the second numerical value is larger than 0 and smaller than or equal to (Z-1). In this scheme, the network device may further determine a second value, where the second value may be used to determine a value of L, for example, the second value may be an offset when L is calculated. The second value may be used together with Y to determine a value of L, where the second value is greater than 0 and less than or equal to (Y-1), for example, L may be equal to Y × m + a second value, where x represents multiplication, m is a predetermined positive integer, but not limited to, based on the manner of calculating L, other similar manners may also be adopted, for example, the second value is an adjustment parameter of the starting resource, L may be equal to Y + the second value, or L may be equal to Y × the second value.

In a possible implementation manner, when X is not equal to 1, X is an integer multiple of 2; or, when X is not equal to 1, X is the power of 2; or, the value set of X is (1,2,4, 8); or, the value set of X is (1,2,4,8, 16). At least one of X and Y can be greater than or equal to 2, the final value of X and Y is determined by the network device, and if the value of X is not equal to 1, X may be an integer multiple of 2, that is, X is equal to 2 × t, and t is a predetermined positive integer. As another example, X may not have a value equal to 1, and X may be a power of 2, i.e., X equals 2^tAnd t is a predetermined positive integer. For another example, the value set of X is (1,2,4,8), that is, the value of X may be one element in the set (1,2,4,8), and specifically, which element in the set (1,2,4,8) is X is determined by the network device. As another example, the value set of X is (1,2,4,8,16), that is, the value of X may be one element in the set (1,2,4,8,16), and specifically which element in the set (1,2,4,8,16) X is determined by the network device. The network device configures the resource granularity X of the S, so that the X can be an integral multiple or a power of 2 when the X is not equal to 1, or an element in the set (1,2,4,8), or an element in the set (1,2,4,8,16), thereby expanding the resource granularity of the S, effectively saving the indication bit overhead of the network device, and reducing the processing complexity of the terminal device.

In a possible implementation manner, when Z is not equal to 1, the value of Z is an integer multiple of 2; or, when Z is not equal to 1, the value of Z is a power of 2; or, the value set of Z is {1,2,4,8 }; or, the value set of Z is {1,2,4,8,16 }. Z can be greater than or equal to 2, the final value of Z is determined by the network device, and if the value of Z is not equal to 1, Z may be an integer multiple of 2, that is, Z is equal to 2 × t, and t is a predetermined positive integer. As another example, if Z does not have a value equal to 1, then Z may be a power of 2, i.e., Z equals 2^tAnd t is a predetermined positive integer. For another example, the value set of Z is (1,2,4,8), that is, the value of Z may be one element in the set (1,2,4,8), and specifically, which element in the set (1,2,4,8) Z is determined by the network device.For another example, the value set of Z is (1,2,4,8,16), that is, the value of Z may be one element in the set (1,2,4,8,16), and specifically, which element in the set (1,2,4,8,16) Z is determined by the network device. The network device configures the resource granularity Z of S, so that Z can be an integral multiple or a power of 2 when Z is not equal to 1, or an element in a set (1,2,4,8), or an element in a set (1,2,4,8,16), thereby enlarging the resource granularity of S, effectively saving the indication bit overhead of the network device, and reducing the processing complexity of the terminal device.

In a possible implementation manner, when X is greater than 1 and N is an even number, the value of S is not equal to N/2; or when X is more than 1 and N is an odd number, the value of S is not equal to (N-1)/2; or when X is more than 1 and N is an odd number, the value of S is not equal to (N-3)/2; and N is the maximum number of resource units for data transmission of the terminal equipment. The network device determines the maximum number N of resource units for data transmission by the terminal device, and then determines the value of S according to whether the value of N is an odd number or an even number, and the value of S is not equal to the specification of which values, so that when the network device indicates X, the indication bit overhead of the network device can be effectively saved, and the processing complexity of the terminal device is reduced. Specifically, N is an even number, and the value of S is not equal to N/2, and at this time, S takes X resource units as the granularity, so that the resource granularity of S can be enlarged, and the indication bit overhead of the network device can be saved. For another example, N is an odd number, the value of S is not equal to (N-1)/2, or the value of S is not equal to (N-3)/2, and then S takes X resource units as the granularity, so that the resource granularity of S can be expanded, and the indication bit overhead of the network device can be saved.

In one possible implementation, the first indication information includes M bits, and one or more bit states of the M bits indicate the X and the Y. The first indication information is used to indicate that the starting resource S uses X resource units as a granularity, and the resource length L uses Y resource units as a granularity, where the first indication information may include M bits, a value of M is a positive integer, where the M bits may have a bit state of one bit or multiple bits to indicate X and Y, for example, one bit of M being 0 may indicate a value of X, the one bit of M being 1 may indicate a value of Y, the value of X may be obtained through the bit state of one or multiple bits of the M bits, or the value of Y may be obtained through the bit state of one or multiple bits of the M bits, so that the terminal device may determine that S uses X resource units as the granularity, and L uses Y resource units as the granularity.

In a fourth aspect, an embodiment of the present application further provides a data transmission apparatus, and for beneficial effects, reference may be made to the description of the first aspect, which is not described herein again. The communication device has the functionality to implement the actions in the method instance of the first aspect described above. The functions can be realized by hardware, and the functions can also be realized by executing corresponding software by hardware. The hardware or software includes one or more modules corresponding to the above-described functions. In one possible design, including: a receiving module, configured to receive first information and second information sent by a network device, where the first information indicates a starting length indication value SLIV determined by the network device, and the second information indicates a range where (S + L) is located, where S is a starting resource and L is a resource length; a processing module, configured to determine a first numerical value and a second numerical value according to the SLIV indicated by the first information received by the receiving module, where the first numerical value is floor (SLIV/Lmax) +1, and the second numerical value is SLIV mod (Lmax), where floor is a downward rounding function, Lmax is a preset numerical value or a maximum length value of the L, and mod is a modulo operation function; the processing module is further configured to determine the S and the L according to the range in which the (S + L) indicated by the second information received by the receiving module is located, the first numerical value and the second numerical value; and the sending module is used for carrying out data transmission according to the S and the L determined by the processing module.

In a possible implementation manner, the processing module is configured to determine that the range in which (S + L) indicated by the second information is located is a first range, and a sum of the first numerical value and the second numerical value belongs to the first range, determine that the value of L is the first numerical value, and determine that the value of S is the second numerical value; wherein the first range is (0, Lmax).

In a possible implementation manner, the processing module is specifically configured to determine that (S + L) indicated by the second information is in a first range, and a sum of the first numerical value and the second numerical value belongs to a second range, determine that a value of the L is (Lmax +2 — a first numerical value), and determine that a value of the S is (Lmax-1 — a second numerical value); wherein the first range is (0, Lmax), the minimum value of the second range is Lmax +1, or the second range is (Lmax, 2 xLmax).

In a possible implementation manner, the processing module is specifically configured to determine that (S + L) indicated by the second information is in a second range, and a sum of the first numerical value and the second numerical value belongs to the first range, determine that the value of L is (Lmax +2 — the first numerical value), and determine that the value of S is (Lmax-1 — the second numerical value); wherein the first range is (0, Lmax), the minimum value of the second range is Lmax +1, or the second range is (Lmax, 2 xLmax).

In a possible implementation manner, the processing module is specifically configured to determine that a range in which (S + L) indicated by the second information is located is a second range, and a sum of the first numerical value and the second numerical value belongs to the second range, determine that a value of L is the first numerical value, and determine that a value of S is the second numerical value by the terminal device; wherein the minimum value of the second range is the Lmax +1, or the second range is (Lmax, 2 × Lmax).

In a fourth aspect of the present application, the constituent modules of the data transmission apparatus may further perform the steps described in the foregoing first aspect and various possible implementations, for details, see the foregoing description of the first aspect and various possible implementations.

In a fifth aspect, an embodiment of the present application further provides a data transmission device, and for beneficial effects, reference may be made to the description of the second aspect and details are not described here again. The communication device has the functionality to implement the actions in the method example of the second aspect described above. The functions can be realized by hardware, and the functions can also be realized by executing corresponding software by hardware. The hardware or software includes one or more modules corresponding to the above-described functions. In one possible design, including: the processing module is used for determining an initial resource S and a resource length L for data transmission of the terminal equipment; a sending module, configured to send first indication information to the terminal device, where the first indication information is used to indicate that the S determined by the processing module uses X resource units as granularity, the L uses Y resource units as granularity, and at least one of X and Y is greater than or equal to 2; or the first indication information is used for indicating that the S and the L take Z resource units as granularity, and the Z is greater than or equal to 2; the processing module is further configured to determine a starting length indication value SLIV according to the S and the L; the sending module is further configured to send second indication information to the terminal device, where the second indication information indicates the SLIV determined by the processing module.

In a possible implementation manner, the sending module is further configured to send third indication information to the terminal device, where the third indication information indicates the first numerical value; wherein the first value and the X are used for determining the value of the S, and the first value is greater than 0 and less than or equal to (X-1); or the first value and the Z are used for determining the value of the S, and the first value is greater than 0 and less than or equal to (Z-1).

In a possible implementation manner, the sending module is further configured to send fourth indication information to the terminal device, where the fourth indication information indicates a second numerical value; wherein the second value and the Y are used for determining the value of the L, and the second value is greater than 0 and less than or equal to (Y-1); or the second value and the Z are used for determining the value of the L, and the second value is greater than 0 and less than or equal to (Z-1).

In a fifth aspect of the present application, the constituent modules of the data transmission apparatus may also perform the steps described in the foregoing second aspect and in various possible implementations, for details, see the foregoing description of the second aspect and in various possible implementations.

In a sixth aspect, an embodiment of the present application further provides a data transmission device, and for beneficial effects, reference may be made to the description of the third aspect, which is not described herein again. The communication device has the functionality to implement the actions in the method instance of the first aspect described above. The functions can be realized by hardware, and the functions can also be realized by executing corresponding software by hardware. The hardware or software includes one or more modules corresponding to the above-described functions. In one possible design, including: a processing module, configured to receive, by a receiving module, first indication information sent by a network device, where the first indication information is used to indicate that an initial resource S uses X resource units as a granularity, and a resource length L uses Y resource units as a granularity, and at least one of X and Y is greater than or equal to 2; or the first indication information is used for indicating that the S and the L take Z resource units as granularity, and the Z is greater than or equal to 2; the processing module is further configured to determine the granularity of the S and the granularity of the L, and receive, by the receiving module, second indication information sent by the network device, where the second indication information is used to indicate a starting length indication value SLIV.

In a possible implementation manner, the receiving module is further configured to receive third indication information sent by the network device, where the third indication information indicates the first numerical value; the processing module is further configured to determine a value of S according to the first value, the X, and the SLV, where the first value is greater than 0 and less than or equal to (X-1); or determining the value of S according to the first value, the Z and the SLV, wherein the first value is larger than 0 and smaller than or equal to (Z-1).

In a possible implementation manner, the receiving module is further configured to send fourth indication information to the terminal device, where the fourth indication information indicates a second numerical value; the processing module is further configured to determine a value of the L according to the second value, the Y, and the SLV, where the second value is greater than 0 and less than or equal to (Y-1); or determining the value of the L according to the second numerical value, the Z and the SLV, wherein the second numerical value is larger than 0 and smaller than or equal to (Z-1).

In a possible implementation manner, when X is not equal to 1, X is an integer multiple of 2; or, when X is not equal to 1, X is the power of 2; or, the value set of X is (1,2,4, 8); or, the value set of X is (1,2,4,8, 16).

In a possible implementation manner, when Z is not equal to 1, the value of Z is an integer multiple of 2; or, when Z is not equal to 1, the value of Z is a power of 2; or, the value set of Z is {1,2,4,8 }; or, the value set of Z is {1,2,4,8,16 }.

In a possible implementation manner, when the first value is greater than 1 and N is an even number, the value of S is not equal to N/2; or when the first value is greater than 1 and N is an odd number, the value of S is not equal to (N-1)/2; or when the first value is greater than 1 and N is an odd number, the value of S is not equal to (N-3)/2; and N is the maximum number of resource units for data transmission of the terminal equipment.

In one possible implementation, the first indication information includes M bits, and one or more bit states of the M bits indicate the first value and the second value.

In a sixth aspect of the present application, the constituent modules of the data transmission apparatus may further perform the steps described in the foregoing third aspect and various possible implementations, for details, see the foregoing description of the third aspect and various possible implementations.

In a seventh aspect, this application embodiment provides a computer-readable storage medium, which stores instructions that, when executed on a computer, cause the computer to perform the method of the first or second aspect or the third aspect.

In an eighth aspect, embodiments of the present application provide a computer program product comprising instructions which, when run on a computer, cause the computer to perform the method of the first or second aspect or the third aspect.

In a ninth aspect, an embodiment of the present application provides a communication device, where the communication device may include an entity such as a terminal device or a network device, and the communication device includes: a processor, a memory; the memory is to store instructions; the processor is configured to execute the instructions in the memory to cause the communication device to perform the method of any of the preceding first, second or third aspects.

In a tenth aspect, embodiments of the present application provide a chip system, which includes a processor, and is configured to enable a communication device to implement the functions recited in the above aspects, for example, to transmit or process data and/or information recited in the above methods. In one possible design, the system-on-chip further includes a memory for storing program instructions and data necessary for the communication device. The chip system may be formed by a chip, or may include a chip and other discrete devices.

In an eleventh aspect, an embodiment of the present application provides a communication apparatus, including a processor and a communication interface, where the communication interface is configured to receive a signal from a communication apparatus other than the communication apparatus and transmit the signal to the processor or send the signal from the processor to the communication apparatus other than the communication apparatus, and the processor is configured to implement, through a logic circuit or executing a code instruction, the method according to any one of the first aspect, the second aspect, or the third aspect.

Drawings

Fig. 1 is a schematic system architecture diagram of a data transmission method according to an embodiment of the present application;

fig. 2 is a schematic flowchart of a data transmission method according to an embodiment of the present application;

fig. 3 is a schematic diagram of a determination process of S and L provided in the embodiment of the present application;

fig. 4 is a schematic view of an interaction flow between a network device and a terminal device according to an embodiment of the present application;

fig. 5 is a schematic structural diagram of a data transmission device according to an embodiment of the present application;

fig. 6 is a schematic structural diagram of another data transmission apparatus according to an embodiment of the present disclosure;

fig. 7 is a schematic structural diagram of another data transmission apparatus according to an embodiment of the present application;

fig. 8 is a schematic structural diagram of a communication device according to an embodiment of the present application.

Detailed Description

Embodiments of the present application are described below with reference to the accompanying drawings.

The terms "first," "second," and the like in the description and in the claims of the present application and in the above-described drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances and are merely descriptive of the various embodiments of the application and how objects of the same nature can be distinguished. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of elements is not necessarily limited to those elements, but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Fig. 1 shows a schematic structural diagram of a Radio Access Network (RAN) according to an embodiment of the present application. The terminal device may communicate with multiple access network devices of different technologies, for example, the terminal device may communicate with an access network device supporting Long Term Evolution (LTE), may communicate with an access network device supporting 5G, and may simultaneously communicate with an access network device supporting LTE and an access network device supporting 5G. The embodiments of the present application are not limited.

A terminal device, which may be referred to as a terminal for short, also called a User Equipment (UE), is a device with a wireless transceiving function. The terminal equipment can be deployed on land, including indoors or outdoors, handheld or vehicle-mounted; can also be deployed on the water surface (such as a ship and the like); and may also be deployed in the air (e.g., airplanes, drones, balloons, satellites, etc.). The terminal equipment can be a mobile phone, a tablet personal computer, a computer with a wireless transceiving function, virtual reality terminal equipment, augmented reality terminal equipment, wireless terminal equipment in industrial control, wireless terminal equipment in unmanned driving, wireless terminal equipment in telemedicine, wireless terminal equipment in a smart grid, wireless terminal equipment in transportation safety, wireless terminal equipment in a smart city and wireless terminal equipment in a smart family. The terminal equipment may also be fixed or mobile. The embodiments of the present application do not limit this.

In the embodiment of the present application, the apparatus for implementing the function of the terminal may be a terminal device; it may also be an apparatus, such as a system-on-chip, capable of supporting the terminal device to implement the function, and the apparatus may be installed in the terminal device. In the embodiment of the present application, the chip system may be composed of a chip, and may also include a chip and other discrete devices. In the technical solution provided in the embodiment of the present application, a device for implementing a function of a terminal device is taken as an example of a terminal device, and the technical solution provided in the embodiment of the present application is described.

The network device may be an access network device, and the access network device may also be referred to as a Radio Access Network (RAN) device, which is a device providing a wireless communication function for the terminal device. Access network equipment includes, for example but not limited to: a next generation base station (gbb) in 5G, an evolved node B (eNB), a baseband unit (BBU), a transceiving point (TRP), a Transmitting Point (TP), a base station in a future mobile communication system or an access point in a WiFi system, and the like. The access network device may also be a wireless controller, a Centralized Unit (CU), and/or a Distributed Unit (DU) in a Cloud Radio Access Network (CRAN) scenario, or the network device may be a relay station, a vehicle-mounted device, a network device in a PLMN network that is evolved in the future, and the like.

In the embodiment of the present application, the apparatus for implementing the function of the network device may be a network device; or may be a device, such as a system-on-chip, capable of supporting the network device to implement the function, and the device may be installed in the network device. In the technical solution provided in the embodiment of the present application, a device for implementing a function of a network device is taken as an example of a network device, and the technical solution provided in the embodiment of the present application is described.

For convenience of understanding the technical solution of the present application, the following terminal device takes UE as an example, and the network device takes a base station as an example for description:

in the embodiment of the present application, the base station and the UEs 1 to 6 form a communication system, in which the base station transmits one or more of system information, RAR message, and paging message to one or more of the UEs 1 to 6, and the UEs 4 to 6 also form a communication system, in which the UE5 may be implemented as a function of the base station, and the UE5 may transmit one or more of system information, control information, and paging message to one or more of the

UEs

4 and 6.

The transmission in this application may be either transmission or reception. When one side of communication is sending, the opposite side device of communication is receiving. The TB may be an uplink TB or a downlink TB.

The resource in the embodiment of the present application may be a symbol, or a slot, or a short slot, or a subframe, etc. The resource in the embodiment of the present application may also be a subcarrier, or a resource block, or a carrier, or a channel control element, etc.

When the resource in the embodiment of the present application is a symbol, the resource unit may be a slot, a short slot, or a subframe. When the resource in the embodiment of the present application is a subcarrier, the resource unit is a resource block, or a carrier, or a channel control element, etc.

Take the time domain resource of uplink transmission scheduled by the network device as the terminal device as an example. In the NR communication system, the network device may schedule the time domain resource for the terminal device in a scheduling manner based on a time slot, that is, the network device may transmit scheduling information once in one time slot. The scheduling information may include an indication of the time domain resource allocated to the terminal device by the network device, that is, the scheduling information indicates a starting symbol and a number of symbols (which may also be referred to as a resource length) of the time domain resource allocated to the terminal device by the network device in one time slot. The terminal device may determine the time domain resource allocated by the network device according to a starting symbol (symbol) of the time domain resource and a resource length (length) indicated in the scheduling information, and perform transmission of a Physical Uplink Shared Channel (PUSCH) on the time domain resource.

For convenience of description, S will be referred to as a starting symbol of PUSCH transmission, and L is referred to as a symbol length of PUSCH transmission. The base station determines the initial symbol S of the user equipment for data transmission, and the base station determines the symbol length L occupied by the user equipment for data transmission. The transmission in the embodiment of the present application may be sending or receiving, for example, if the data is downlink data, the transmission may specifically indicate receiving, and for example, if the data is uplink data, the transmission may indicate sending.

The base station determines the range of (S + L). For example, the base station indicates S + L < ═ 14, or 14< S + L.

The base station obtains the SLIV value according to the following formula or the corresponding relation between the SLIV and the (S, L) reflected by the base station by adopting the following formula, and informs the determined SLIV value to the user equipment.

The formula is as follows: if (L-1) ≦ 7, SLIV 14 · (L-1) + S, if (L-1) > 7, SLIV 14 · (14-L +1) + (14-1-S).

For example, as shown in table 1 below, the correspondence between (S, L) and SLIV is reflected in the above formula. The upper triangular part in the table corresponds to the correspondence between (S, L) and SLIV when S + L < ═ 14. When the numbers in the lower triangular part in the table correspond to 14< S + L, (S, L) corresponds to the SLIV.

Specifically, the association relationship between the SLIV corresponding to the starting symbol S and the resource length L described by the above formula is shown in table 1. Table 1 includes the correspondence between the SLIV and the starting symbol S and the resource length L when (S + L) ≦ 14, and also includes the correspondence between the SLIV and the starting symbol S and the resource length L when (S + L) > 14.

Table 1 is a table of association between SLIV of time domain resources in a slot and starting symbol S and resource length L:

and the user equipment receives the SLIV transmitted by the base station. And the user equipment determines the S and the L determined by the base station for the user equipment according to the received SLIV. For example, the base station indicates the value of the SLIV by 7 bits.

One implementation way for the user equipment to determine the S and L determined by the base station for the user equipment according to the received SLIV is as follows: and the user equipment stores the corresponding relation table of the (S, L) and the SLIV. The user equipment acquires the range of S + L indicated by the base station. And then inquiring a corresponding relation table of the (S, L) and the SLIV in the numbers corresponding to the range of S + L to obtain the (S, L). For example, the SLIV indicated by the base station is 26. Since L2, S12 corresponds to an SLIV equal to 26. L-14, S-1 corresponds to an SLIV equal to 26. The user equipment also needs to acquire the range of S + L indicated by the base station. For example, the base station indicates the range of S + L with 1 bit. If the base station indicates S + L < 14, the UE looks up the table to find L2 and S12. If the base station indicates S + L >14, the UE looks up the table to find L-14 and S-1.

Thus, the base station indicates the range of S + L for the ue, which is equal to indicating whether the ue finds S and L from the SLIV lookup table in the upper triangle of table 1 above or finds S and L from the SLIV lookup table in the lower triangle of the table above. In this implementation, the UE needs to store a correspondence table between (S, L) and SLIV, which increases the complexity and cost of the UE.

Referring to fig. 2, a schematic flow chart of a data transmission method according to an embodiment of the present application is shown, for example, the first communication device may be the terminal device, and the second communication device may be the network device. The data transmission method provided in the embodiment of the present application, which is described from the terminal device side in the following steps 201 to 204, mainly includes the following steps:

201. receiving first information and second information sent by a network device, wherein the first information indicates an SLIV determined by the network device, the second information indicates a range of (S + L), S is a starting resource, and L is a resource length.

In the embodiment of the application, the network device may allocate resources to the terminal device, and may indicate the starting resources and the resource length allocated to the terminal device by using a resource indication value.

As mentioned above, in the time domain resource, the resource can be understood as a symbol, the starting resource indicated by the network device for the terminal device is a starting symbol in the time slot, and the resource length is a symbol length. In the frequency domain resource, the resource can be understood as a resource unit, the initial resource indicated by the network device for the terminal device is an initial resource unit, and the resource length is the number of the resource units. One resource unit may include one or more resource blocks, or one resource unit may include one or more subcarriers, or one resource unit may include one or more carriers.

In this embodiment of the present application, the network device may indicate the SLIV to the terminal device through first information, where the first information may be carried on control information, such as Downlink Control Information (DCI). Or may also be carried on Radio Resource Control (RRC) signaling, which is not specifically limited in this application. Similarly, the network device may indicate the range of (S + L) to the terminal device through the second information, for example, the range of (S + L) is the first range, or the range of (S + L) is the second range, and the range interval between the first range and the second range is not limited herein. The second information may be carried on control information, e.g., the second information is carried on downlink control information. Or may also be carried on radio resource control signaling, which is not specifically limited in this application. In this embodiment of the present application, the first information and the second information may be sent through one piece of information, or may be sent through two different pieces of information, which is not limited herein.

202. And determining a first value and a second value according to the SLIV, wherein the first value is floor (SLIV/Lmax) +1, and the second value is SLIV mod (Lmax), wherein the floor is a down-rounding function, the Lmax is a preset value or the maximum length value of L, and mod is a modulo operation function.

In the embodiment of the application, the terminal equipment can determine SLIV and Lmax, wherein Lmax is the maximum value that L can take, and based on the SLIV and Lmax, a first numerical value can be calculated through a preset formula floor (SLIV/Lmax) + 1. For example, a first numerical value is denoted by the letter X, and a second numerical value can be calculated by a preset formula SLIV mod (Lmax). For example, the second numerical value is represented by the letter Y. Since the first and second values are calculated from SLIV and Lmax using different calculation formulas, and Lmax is the maximum value that L can take, the first and second values can represent values corresponding to SLIV that are smaller than SLIV.

It should be noted that the first numerical value is represented by the letter X, the second numerical value is represented by the letter Y, and the value of Lmax may be 14, or other numerical values, which are not limited herein. For example, X is equal to or has the value floor (SLIV/14) + 1. floor is a floor rounding function. In the embodiment of the present application, "the value of X is equal to or equal to floor (SLIV/14) + 1" means that the value of X can be obtained according to the formula of floor (SLIV/14) +1 or other manners, as long as the value of X determined according to other formula or other manners satisfies "the value of X is equal to or equal to floor (SLIV/14) + 1". Similarly, the value of Y is equal to or the value SLIV mod (14).

203. And determining S and L according to the range in which (S + L) is positioned, the first numerical value and the second numerical value.

In this embodiment of the application, the first numerical value and the second numerical value are both two numerical values obtained based on SLIV and Lmax, and after the terminal device obtains the two numerical values, the terminal device may determine the starting resource S and the resource length L according to the first numerical value, the second numerical value, and the range where (S + L) is located. The first numerical value is obtained through floor operation, the second numerical value is obtained through mod operation, the first numerical value and the second numerical value are smaller than SLIV and are numerical values corresponding to SLIV values, therefore, the terminal equipment can directly use the first numerical value and the second numerical value to calculate S and L, the SLIV does not need to be directly used, and the problem that one SLIV corresponds to multiple { S, L } combinations is solved. In the embodiment of the application, the network device does not need to independently indicate which { S, L } combination corresponds to one SLIV, so that the signaling overhead is saved, and the implementation complexity of the network device and the terminal device is reduced.

It should be noted that, in the embodiment of the present application, there are various ways for the terminal device to determine S and L according to the range where (S + L) is located, the first numerical value, and the second numerical value, and an example is described next, but the embodiment of the present application may be limited to the following example, and S and L may be determined in other ways as well.

In some embodiments of the present application, step 203 determines S and L based on the range in which (S + L) is located, the first value, and the second value, including:

the range in which the second information indicates (S + L) is a first range, the sum of the first numerical value and the second numerical value belongs to the first range, the value of L is determined to be the first numerical value, and the value of S is determined to be the second numerical value;

the first range is (0, Lmax), namely the first range is greater than 0 and less than or equal to Lmax.

Specifically, after the terminal device determines the first value and the second value, it determines the range in which the sum of the first value and the second value is located, and the range in which (S + L) indicated by the second information is located is the first range, and the sum of the first value and the second value belongs to the first range, that is, (S + L), (first value + second value) are both in the first range, and the first range is (0, Lmax), for example, the value of Lmax is 14, therefore ((S + L)) is smaller than or equal to Lmax, and the sum of the first value and the second value is also smaller than or equal to Lmax, at this time, it determines that the value of L is the first value, determines that the value of S is the second value, and using the first value, L can be calculated, and using the second value, S can be calculated, so in this embodiment, it is not necessary for the terminal device to store the foregoing table 1, nor for the network device to indicate which S should adopt a SLIV, l, so as to save signaling overhead and reduce the implementation complexity of network equipment and terminal equipment.

the range in which the second information indicates that (S + L) is located is a first range, the sum of the first numerical value and the second numerical value belongs to a second range, the value of L is determined to be (Lmax + 2-the first numerical value), and the value of S is determined to be (Lmax-1-the second numerical value);

wherein the first range is (0, Lmax ];

the second range has a minimum value of Lmax +1, or a second range of (Lmax, 2 x Lmax), or a second range greater than Lmax. The minimum value of the second range refers to the lower value limit of the second range.

Specifically, after the terminal device determines the first value and the second value, it determines a range in which a sum of the first value and the second value is located, and the range in which (S + L) indicated by the second information is located is a first range, and the sum of the first value and the second value belongs to a second range, that is, (S + L) is in the first range, and (the first value + the second value) is in the second range, the first range is (0, Lmax ], e.g., the value of Lmax is 14, the minimum value of the second range is Lmax +1, or the second range is (Lmax, 2 × Lmax), or the second range is greater than Lmax, that is, the second range > Lmax, that is, the lower limit of the second range is Lmax +1, therefore (S + L) is less than or equal to Lmax, and the sum of the first value and the second value is greater than Lmax, or the sum of the first value and the second value is greater than Lmax, and the sum of the first value and the second value is less than 2, the value of L is (Lmax + 2-first value) and the value of S is (Lmax-1-second value), L being calculated using the first value and S being calculated using the second value. Therefore, in the embodiment of the present application, it is not necessary for the terminal device to store the table 1, and it is also not necessary for the network device to indicate which { S, L } combination corresponding to one SLIV should be used, so that signaling overhead is saved, and implementation complexity of the network device and the terminal device is reduced.

the range in which the second information indicates (S + L) is a second range, the sum of the first numerical value and the second numerical value belongs to the first range, the value of L is determined to be (Lmax + 2-the first numerical value), and the value of S is determined to be (Lmax-1-the second numerical value);

wherein the first range is (0, Lmax ];

the second range has a minimum value of Lmax +1, or a second range of (Lmax, 2 x Lmax), or a second range greater than Lmax.

Specifically, after the terminal device determines the first value and the second value, it determines the range in which the sum of the first value and the second value is located, and the range in which (S + L) indicated by the second information is located is the second range, and the sum of the first value and the second value belongs to the first range, that is, (the first value + the second value) is in the first range, and (S + L) is in the second range, the first range is (0, Lmax), for example, the value of Lmax is 14, (the minimum value of the second range is Lmax +1), (the second range is (Lmax, 2 × Lmax), or the second range is greater than Lmax, so that (the first value + the second value) is less than or equal to Lmax, and (S + L) is greater than Lmax, and (S + L) is less than Lmax, when the above condition is satisfied, the value of L is (Lmax + 2-the first value), the value of S + L is greater than (Lmax-1), l may be calculated using the first value and S may be calculated using the second value. Therefore, in the embodiment of the present application, it is not necessary for the terminal device to store the table 1, and it is also not necessary for the network device to indicate which { S, L } combination corresponding to one SLIV should be used, so that signaling overhead is saved, and implementation complexity of the network device and the terminal device is reduced.

the range in which the (S + L) indicated by the second information is located is a second range, the sum of the first numerical value and the second numerical value belongs to the second range, the value of L is determined to be the first numerical value, and the terminal equipment determines the value of S to be the second numerical value;

wherein the minimum value of the second range is Lmax +1, or the second range is (Lmax, 2 × Lmax), or the second range is greater than Lmax.

Specifically, after the terminal device determines the first value and the second value, the range in which the sum of the first value and the second value is located is determined, the range in which (S + L) indicated by the second information is located is the second range, and the sum of the first value and the second value belongs to the second range, that is, (S + L) is in the second range, the minimum value of the second range is Lmax +1, or the second range is (Lmax, 2 × Lmax), or the second range is greater than Lmax. Therefore, (the first value + the second value) is greater than Lmax, (S + L) is greater than Lmax. Or (the first value + the second value) is greater than Lmax and (the first value + the second value) is less than 2Lmax, (S + L) is greater than Lmax and (S + L) is less than 2 Lmax. For example, Lmax takes the value 14. When the conditions are met, the value of L is determined to be a first numerical value, the value of S is determined to be a second numerical value, L can be calculated by using the first numerical value, and S can be calculated by using the second numerical value. Therefore, in the embodiment of the present application, it is not necessary for the terminal device to store the table 1, and it is also not necessary for the network device to indicate which { S, L } combination corresponding to one SLIV should be used, so that signaling overhead is saved, and implementation complexity of the network device and the terminal device is reduced.

Fig. 3 is a schematic diagram of a determination process of S and L according to an embodiment of the present application. To illustrate with the value of Lmax being 14, the first numerical value is represented by a letter X, the second numerical value is represented by a letter Y, and one implementation manner of the user equipment determining, according to the received SLIV, the S and L determined by the base station for the user equipment is as follows:

if the user equipment acquires S + L < ═ 14, then:

if: y < ═ 14-X, then L ═ X, S ═ Y;

otherwise: l ═ 16-X; S-14-1-Y.

If the user equipment acquires S + L >14, then:

if: y ═ 14-X, then L ═ 16-X, S ═ 14-1-Y;

otherwise: l ═ X; and S is Y.

As shown in table 2 below, which is a table of the determination of S and L:

by the method of the embodiment, the user equipment does not need to store the corresponding relation table of (S, L) and SLIV. Only X and Y are obtained according to operation, and then S and L can be conveniently obtained according to the range of X + Y and the range of S + L indicated by the base station. Thereby reducing the complexity of the base station and the user equipment.

For example, the base station indicates SLIV 26 as follows. Then, as stated above, the value of X is equal to floor (SLIV/14) +1 and the value of Y is equal to SLIV mod (14), so that X equals 2, Y equals 12, and X + Y equals 14. If the base station indicates S + L < ═ 14, then L ═ X ═ 2 as can be seen from table 2 provided in the embodiments of the present application; and S-Y-12. If the base station indicates that S + L >14, as can be seen from table 2 provided in the embodiment of the present application, L-16-X-14; S-13-Y-1.

In the embodiment of the application, the UE can conveniently obtain the S and the L according to the received range indication of the S + L and the SLIV. The length range of (S + L) is divided into 2 classes, which facilitates supporting the indication that S + L > Lmax using the SLIV formula, thereby reducing the complexity of base station and UE implementation.

204. And carrying out data transmission according to the S and the L.

In this embodiment of the present application, after the terminal device determines the starting resource and the resource length indicated by the network device by using the above method, the terminal device may transmit data by using the starting resource and the resource length. The type of data transmitted is not limited.

As can be seen from the foregoing illustration, in this embodiment of the application, the terminal device receives first information and second information sent by the network device, where the first information indicates an SLIV determined by the network device, the second information indicates a range where (S + L) is located, S is a starting resource, and L is a resource length. The terminal equipment determines a first numerical value and a second numerical value according to the SLIV, wherein the first numerical value is floor (SLIV/Lmax) +1, and the second numerical value is SLIV mod (Lmax). Wherein, floor is a down rounding function, Lmax is a predetermined value or a maximum length value of L, and mod is a modulo operation function. The terminal equipment determines S and L according to the range of the (S + L), the first numerical value and the second numerical value; and the terminal equipment performs data transmission according to the S and the L. In the embodiment of the present application, the network device indicates the range where the SLIV and (S + L) are located to the terminal device, and the terminal device may determine the first value and the second value by using the SLIV and the Lmax, since the first and second values are calculated from SLIV and Lmax using different calculation formulas, and Lmax is the maximum value L can take, so the first and second values may represent a smaller value than SLIV, corresponding to SLIV, and finally the range in which (S + L) is located, the first and second values may be used to determine S and L, therefore, in the embodiment of the present application, S and L do not need to be directly obtained by an SLIV, so that the problem that one SLIV corresponds to multiple { S, L } combinations is avoided.

Please refer to fig. 3, which is a schematic flowchart illustrating that the terminal device determines S and L according to the range of the SLIV and (S + L) in the present embodiment. As described in the foregoing text, further description is omitted here.

As shown in fig. 4, another data transmission method provided in this embodiment of the present application is described in the following steps 401 to 404 from the network device side, and in the following steps 411 to 412 from the terminal device side, which mainly includes the following steps:

401. the network equipment determines the starting resource S and the resource length L of the data transmission of the terminal equipment.

In the embodiment of the present application, a network device may allocate a resource to a terminal device, and the network device determines a starting resource S and a resource length L allocated to the terminal device.

402. The network equipment sends first indication information to the terminal equipment, wherein the first indication information is used for indicating that S takes X resource units as granularity, L takes Y resource units as granularity, and at least one of X and Y is more than or equal to 2; or the first indication information is used for indicating that S and L take Z resource units as granularity, and Z is greater than or equal to 2.

In the embodiment of the present application, in order to reduce the bit overhead of resource allocation, the network device may increase the granularity of resource allocation. For example, the resource granularity of the resource allocation is not at one resource unit granularity, but at multiple resource units granularity. For example, the network device determines that the granularity of the starting resource S and the granularity of the resource length L may be equal to or unequal, if the granularity of the starting resource S and the granularity of the resource length L are unequal, X represents the resource granularity adopted by S, that is, S uses X resource units as the granularity, and Y represents the resource adopted by L, that is, L uses Y resource units as the granularity, at least one of X and Y may be greater than or equal to 2, that is, the value of X may be greater than or equal to 2, and the value of Y may be greater than or equal to 2.

If the granularity of the starting resource S is equal to the granularity of the resource length L, Z is used to represent the resource granularity adopted by S, that is, S uses Z resource units as the granularity, and Y is used to represent the resource granularity adopted by L, that is, L uses Z resource units as an example, Z can be greater than or equal to 2, that is, the value of Z can be greater than or equal to 2, and for the actual value of Z, the network device can send to the terminal device through the first indication information, so that the terminal device can determine Z by receiving the first indication information, and then the terminal device can determine the resource granularity of S and the resource granularity of L.

In some embodiments of the present application, the value of X determined by the network device may not be equal to 1, X being an integer multiple of 2; or, X is a power of 2 when the value of X may not equal 1; or, the value set of X at least comprises (1,2,4, 8); or, the value set of X at least comprises (1,2,4,8, 16).

At least one of X and Y can be greater than or equal to 2, the final value of X and Y is determined by the network device, and if the value of X is not equal to 1, X may be an integer multiple of 2, that is, X is equal to 2 × t, and t is a predetermined positive integer. As another example, X may not have a value equal to 1, and X may be a power of 2, i.e., X equals 2^tAnd t is a predetermined positive integer. For another example, the value set of X is (1,2,4,8), that is, the value of X may be one element in the set (1,2,4,8), and specifically, which element in the set (1,2,4,8) is X is determined by the network device. As another example, the value set of X is (1,2,4,8, 1)6) I.e. the value of X may be one element of the set (1,2,4,8,16), in particular which element of the set (1,2,4,8,16) X is determined by the network device. The network device configures the resource granularity X of the S, so that the X can be an integral multiple or a power of 2 when the X is not equal to 1, or an element in the set (1,2,4,8), or an element in the set (1,2,4,8,16), thereby expanding the resource granularity of the S, effectively saving the indication bit overhead of the network device, and reducing the processing complexity of the terminal device.

In some embodiments of the present application, when Z determined by the network device is not equal to 1, the value of Z is an integer multiple of 2; or, when Z is not equal to 1, the value of Z is a power of 2; or, the value set of Z at least comprises {1,2,4,8 }; or, the value set of Z at least comprises {1,2,4,8,16 }.

Z can be greater than or equal to 2, the final value of Z is determined by the network device, and if the value of Z is not equal to 1, Z may be an integer multiple of 2, that is, Z is equal to 2 × t, and t is a predetermined positive integer. As another example, if Z does not have a value equal to 1, then Z may be a power of 2, i.e., Z equals 2^tAnd t is a predetermined positive integer. As another example, the value set for Z is

(1,2,4,8), i.e. the value of Z may be one element of the set (1,2,4,8), in particular which element of the set (1,2,4,8) Z is determined by the network device. For another example, the value set of Z is (1,2,4,8,16), that is, the value of Z may be one element in the set (1,2,4,8,16), and specifically, which element in the set (1,2,4,8,16) Z is determined by the network device. The network device configures the resource granularity Z of S, so that Z can be an integral multiple or a power of 2 when Z is not equal to 1, or an element in a set (1,2,4,8), or an element in a set (1,2,4,8,16), thereby enlarging the resource granularity of S, effectively saving the indication bit overhead of the network device, and reducing the processing complexity of the terminal device.

In some embodiments of the present application, when X is greater than 1 and N is an even number, a value of S is not equal to N/2; or when X is more than 1 and N is an odd number, the value of S is not equal to (N-1)/2; or when X is more than 1 and N is an odd number, the value of S is not equal to (N-3)/2; and N is the maximum number of resource units for data transmission of the terminal equipment.

The network device determines the maximum number N of resource units for data transmission by the terminal device, and then determines the value of S according to whether the value of N is an odd number or an even number, and the value of S is not equal to the specification of which values, so that when the network device indicates X, the indication bit overhead of the network device can be effectively saved, and the processing complexity of the terminal device is reduced. Specifically, N is an even number, and the value of S is not equal to N/2, and at this time, S takes X resource units as the granularity, so that the resource granularity of S can be enlarged, and the indication bit overhead of the network device can be saved. For another example, N is an odd number, the value of S is not equal to (N-1)/2, or the value of S is not equal to (N-3)/2, and then S takes X resource units as the granularity, so that the resource granularity of S can be expanded, and the indication bit overhead of the network device can be saved.

For example, taking a network device as a base station and a terminal device as a user equipment as an example, the base station determines a starting resource unit (simply referred to as a starting point) S for data transmission performed by the user equipment, and the base station determines the number of resource units occupied by the user equipment for data transmission or the length L of the resource units. The resource unit U in the embodiment of the present application may include one or more resource blocks. For example, one resource unit is one Resource Block (RB). For another example, a resource unit is a Resource Block Group (RBG). For another example, a resource unit contains multiple resource block groups.

In N resource units, if resource allocation in the frequency domain is performed with the resource unit as granularity, there are N (N +1)/2 combinations, so ceil (log2(N +1)/2)) bits are required to indicate S and L, ceil is an rounding-up function. Each combination of S and L corresponds to a starting point length indication value SLIV, the base station informs a SLIV to the user equipment, and the SLIV indicates the starting resource unit S allocated to the user equipment by the base station and the number L of the allocated resource units.

As shown in table 3 below, is a value mode table for S and L:

to reduce the bit overhead of frequency domain resource allocation, the granularity of resource allocation may be increased. For example, the resource granularity of the resource allocation is not at one resource unit U, but at multiple resource units. The starting resource unit S allocated by the base station to the user equipment is not in the granularity of one resource unit, but in the granularity of a plurality of resource units. Assuming that the granularity of the starting resource unit S is unchanged, the length L is in granularity of 2 × U, and resource allocation is performed within N resource units. If N is an even number, the total number of combinations of (S, L) is (N-1) + (N-3) + (N-5) + … … +1 is N × N/4. If N is an odd number, then the total number of combinations of (S, L) is (N-1) + (N-3) + (N-5) + … … + (2) ═ N +1) (N-1)/4 = N2-1)/4. The total number of original combinations is N (N +1)/2, because N (N +1)/2> 2(N x N/4) > 2(N x 2-1)/4. I.e., doubling the resource granularity of the L of the resource allocation necessarily reduces the number of combinations by at least half. I.e. doubling the resource granularity of L of the resource allocation can certainly save one bit.

If the starting point S is at 2 × U, the length L is at U, and S starts at 0 (i.e., S is 0,2,4 …). If N is an even number, then the total number of (S, L) combinations is N + (N-2) + … + (N-2) ═ N (N +2)/4, if N is an odd number, then the total number of (S, L) combinations is N + (N-2) + … + (N-1)) (N +1)/4 ═ N +1) ^2/4 because N (N +1)/2< 2(N +2)/4) < 2(N +1) ^2/4, so doubling the resource granularity of S for resource allocation cannot always reduce the number of combinations by at least half.

For example, for different values of N, when S is granularity of 2 × U and length L is granularity of U, the number of bits can be saved compared to granularity of U for both S and L. If the starting points S are spaced at 2 × U and the length L is granularity U, but S starts at 1 (i.e., S is 1,3,5, …), the total number of combinations of (S, L) is N × (N)/4. Similar to the above, doubling the S interval of the resource allocation at this time can necessarily reduce the number of combinations by at least half. I.e. doubling the interval of S of the resource allocation can certainly save one bit.

Assuming N is an even number, the starting point S is at 2 × U, the length L is at U, and S starts at 0 (i.e., S is 0,2,4 …). In this case, the total number of combinations of (S, L) is N (N + 2)/4N/4 + N/2. If S cannot be equal to N/2, N/2 (S, L) combinations are omitted. In this case, the total number of combinations of (S, L) is N (N + 2)/4-N/2 is N/4. As mentioned above, doubling the S interval of the resource allocation at this time can reduce the number of combinations by at least half. I.e. doubling the interval of S of the resource allocation can certainly save one bit. It can be determined that S cannot be equal to N/2 regardless of the value of N. Or in N resource units, when the interval of S is doubled, and one bit cannot be saved, S cannot be equal to N/2, thereby reducing the number of combinations, and doubling the interval of S can save one bit.

Assuming N is odd, starting point S is granularity of 2 × U, length L is granularity of U, and S starts with 0 (i.e., S is 0,2,4 …), when the total number of combinations of (S, L) is (N +1) ^ 2/4. If S cannot be equal to (N-1)/2, (N +1)/2 (S, L) combinations are omitted. In this case, the total number of combinations of (S, L) ═ N +1 ^ 2/4- (N +1)/2 ^ N/4 to 1/4< N × N/4. As mentioned above, doubling the S interval of the resource allocation at this time can reduce the number of combinations by at least half. I.e. doubling the interval of S of the resource allocation can certainly save one bit. Alternatively, if S cannot be equal to (N-3)/2, the (N +3)/2 (S, L) combinations are omitted. At this time, doubling the interval of S of the resource allocation can save one bit inevitably. It can be determined that S cannot be equal to (N-1)/2 or (N-3)/2 regardless of the value of N. Or in N resource units, when the interval of S is doubled, and one bit cannot be saved, S cannot be equal to (N-1)/2 or (N-3)/2, thereby reducing the number of combinations, and doubling the interval of S can save one bit.

According to the above rule, a doubling of the granularity of the length L always saves one bit. Doubling the start S interval always saves one bit. Therefore, the DCI frequency domain resource allocation field contains the number of bits equal to ceil (log2(N +1))/2) -log 2 (XY). Where X is the spacing factor of the starting point S and Y is the granularity factor of the length L. For example, if X is greater than 1, X is a multiple or power of 2. For example, when Y is greater than 1, B is a multiple or power of 2.

In addition to the interval factor X indicating S and the granularity factor Y indicating L, the base station may indicate the first value of the starting point S to the user equipment. Wherein the first numerical default value of S is 0. The base station may indicate that the first value is 1. Or the first value is greater than or equal to 0 and less than or equal to X-1. E.g., the base station indicates with 1 bit whether the first value of S is 0 or 1. Specifically, if the first value is equal to 0, S is 0+ X × U. The first value is equal to 1, then S ═ 1+ X U, U being a positive integer.

The base station may also indicate a second value of L to the user equipment. Wherein the second numerical default value of L is 0. The base station may indicate that the second value is 1. Or the value of the second numerical value is more than or equal to 0 and less than or equal to Y-1. E.g., the base station indicates with 1 bit whether the second value of L is 0 or 1. Specifically, if the second value is equal to 0, L is 0+ Y × W. The second value is equal to 1, then L ═ 1+ Y × W. W is a positive integer.

Alternatively, the base station may also jointly indicate the factors of S and L. Or the base station may indicate the reduced number of bits to the user equipment.

The factors of (S, L) and the number of bits reduced by one resource unit granularity with respect to both S and L are indicated by 3 bits as shown in table 4 below.

As shown in table 5 below, the factor of (S, L) and the number of bits reduced by one resource unit granularity with respect to both S and L are indicated by 5 bits.

Table 6 below indicates the factors of (S, L) and the number of bits reduced by one resource unit granularity with respect to both S and L by 4 bits.

411. The terminal equipment receives first indication information sent by the network equipment, wherein the first indication information is used for indicating that an initial resource S takes X resource units as granularity and a resource length L takes Y resource units as granularity, and at least one of X and Y is more than or equal to 2; or the first indication information is used for indicating that S and L take Z resource units as granularity, and Z is greater than or equal to 2.

In some embodiments of the present application, the first indication information comprises M bits, one or more bit status indications X and Y of the M bits.

The first indication information is used to indicate that the starting resource S uses X resource units as a granularity, and the resource length L uses Y resource units as a granularity, where the first indication information may include M bits, a value of M is a positive integer, where the M bits may have a bit state of one bit or multiple bits to indicate X and Y, for example, one bit of M being 0 may indicate a value of X, the one bit of M being 1 may indicate a value of Y, the value of X may be obtained through the bit state of one or multiple bits of the M bits, or the value of Y may be obtained through the bit state of one or multiple bits of the M bits, so that the terminal device may determine that S uses X resource units as the granularity, and L uses Y resource units as the granularity.

403. The network device determines a starting length indication value SLIV according to S and L.

In this embodiment of the present application, after the network device determines the resource granularity of S and the resource granularity of L according to the foregoing step 402, the network device may calculate the SLIV according to the determined S and L.

404. And the network equipment sends second indication information to the terminal equipment, wherein the second indication information is used for indicating the SLIV.

In this embodiment of the present application, after the network device determines the SLIV, the network device may notify the terminal device of the determined SLIV value. For example, the network device sends the second indication information carrying the SLIV to the terminal device.

In some embodiments of the present application, in addition to the network device performing the foregoing steps 401 to 404, the data transmission method provided in the embodiments of the present application may further include the following steps:

sending third indication information to the terminal equipment, wherein the third indication information indicates the first numerical value;

the first value and the X are used for determining the value of S, and the first value is larger than 0 and smaller than or equal to (X-1); or the first value and the Z are used for determining the value of S, and the first value is larger than 0 and smaller than or equal to (Z-1).

The network device may further determine a first value, where the first value may be used to determine a value of S, for example, the first value may be an offset when S is calculated. The first value may be used together with X to determine a value of S, where the first value is greater than 0 and less than or equal to (X-1), for example, S may be equal to X × m + the first value, where X represents multiplication, m is a predetermined positive integer, but not limited to, based on the manner of calculating S, other similar manners may also be adopted, for example, the first value is an adjustment parameter of the starting resource, S may be equal to X + the first value, or S may be equal to X × the first value.

The first value may be an offset when S is calculated, and the first value may be used together with Z to determine a value of S, where the first value is greater than 0 and less than or equal to (Z-1), for example, S may be equal to Z × m + the first value, where × represents multiplication, and m is a predetermined positive integer.

sending fourth indication information to the terminal equipment, wherein the fourth indication information indicates a second numerical value; wherein the second value and Y are used for determining the value of L, and the second value is greater than 0 and less than or equal to (Y-1); or the second value and Z are used for determining the value of L, and the second value is greater than 0 and less than or equal to (Z-1).

The network device may further determine a second value, where the second value may be used to determine a value of L, for example, the second value may be an offset when L is calculated. The second value may be used together with Y to determine a value of L, where the second value is greater than 0 and less than or equal to (Y-1), for example, L may be equal to Y × m + a second value, where x represents multiplication, m is a predetermined positive integer, but not limited to, based on the manner of calculating L, other similar manners may also be adopted, for example, the second value is an adjustment parameter of the starting resource, L may be equal to Y + the second value, or L may be equal to Y × the second value.

The second value may be an offset when calculating L, and the second value may be used together with Z to determine a value of L, where the second value is greater than 0 and less than or equal to (Z-1), for example, L may be equal to Z × m + a second value, where × represents multiplication, and m is a predetermined positive integer.

412. And the terminal equipment determines the granularity of the S and the granularity of the L and receives second indication information sent by the network equipment, wherein the second indication information is used for indicating a starting length indication value SLIV.

Further, after the terminal device obtains the SLIV, it may determine a resource for data transmission according to the granularity of S, the granularity of L, and the SLIV, and transmit data on the determined resource.

In this embodiment of the application, the terminal device determines that S uses X resource units as granularity or Z resource units as granularity by receiving first indication information sent by the network device, and that L uses Y resource units as granularity or Z resource units as granularity by receiving the first indication information, the terminal device may determine a value of S and a value of L according to the resource granularity determined by the network device, for example, if the terminal device receives an SLIV indicated by the second indication information, the terminal device may calculate S and L according to the resource granularity determined by the network device.

In some embodiments of the present application, in addition to the terminal device performing the foregoing steps 411 to 412, the data transmission method provided in the embodiments of the present application may further include the following steps:

receiving third indication information sent by the network equipment, wherein the third indication information indicates the first numerical value;

determining the value of S according to a first value, X and SLV, wherein the first value is greater than 0 and less than or equal to (X-1); alternatively, the first and second electrodes may be,

and determining the value of S according to the first value, Z and SLV, wherein the first value is greater than 0 and less than or equal to (Z-1).

The terminal device may determine according to the received third indication information, where the first value may be used to determine a value of S, for example, the first value may be an offset when S is calculated. The first value may be used together with X to determine a value of S, where the first value is greater than 0 and less than or equal to (X-1), for example, S may be equal to X × m + the first value, where X represents multiplication, m is a predetermined positive integer, but not limited to, based on the manner of calculating S, other similar manners may also be adopted, for example, the first value is an adjustment parameter of the starting resource, S may be equal to X + the first value, or S may be equal to X × the first value.

sending fourth indication information to the terminal equipment, wherein the fourth indication information indicates a second numerical value;

determining the value of L according to a second numerical value, Y and SLV, wherein the second numerical value is greater than 0 and less than or equal to (Y-1); alternatively, the first and second electrodes may be,

and determining the value of L according to the second numerical value, Z and SLV, wherein the second numerical value is greater than 0 and less than or equal to (Z-1).

The terminal device may determine according to the received third indication information, where the second value may be used to determine a value of L, for example, the second value may be an offset when L is calculated. The second value may be used together with Y to determine a value of L, where the second value is greater than 0 and less than or equal to (Y-1), for example, L may be equal to Y × m + a second value, where x represents multiplication, m is a predetermined positive integer, but not limited to, based on the manner of calculating L, other similar manners may also be adopted, for example, the second value is an adjustment parameter of the starting resource, L may be equal to Y + the second value, or L may be equal to Y × the second value.

As can be seen from the foregoing illustration, in this embodiment of the application, a network device determines a starting resource S and a resource length L for data transmission by a terminal device, and the network device sends first indication information to the terminal device, where the first indication information is used to indicate that S uses X resource units as a granularity, L uses Y resource units as a granularity, and at least one of X and Y is greater than or equal to 2; or the first indication information is used for indicating that the S and the L take Z resource units as granularity, and Z is greater than or equal to 2, the network device determines the SLIV according to the S and the L, and the network device sends second indication information to the terminal device, wherein the second indication information is used for indicating the SLIV. In this embodiment of the present application, the network device may determine the granularity of the starting resource S and the granularity of the resource length L, where at least one of the resource granularity of S and L is greater than or equal to 2, so that the network device may indicate, to the terminal device, that the resource granularity for data transmission by the terminal device is 2 or more than 2 resource units, and the network device determines the SLIV using 2 or more than 2 resource units as the granularity, and by increasing the granularity of resource allocation, the bit overhead of frequency domain resource allocation is reduced.

It should be noted that, for simplicity of description, the above-mentioned method embodiments are described as a series of acts or combination of acts, but those skilled in the art will recognize that the present application is not limited by the order of acts described, as some steps may occur in other orders or concurrently depending on the application. Further, those skilled in the art should also appreciate that the embodiments described in the specification are preferred embodiments and that the acts and modules referred to are not necessarily required in this application.

To facilitate better implementation of the above-described aspects of the embodiments of the present application, the following also provides relevant means for implementing the above-described aspects.

Referring to fig. 5, which is a schematic diagram of a composition structure of a data transmission apparatus in an embodiment of the present application, the data transmission apparatus 500 may implement the functions of the terminal devices shown in fig. 2 and 3 in the above method embodiment, so as to also implement the beneficial effects in the above method embodiment shown in fig. 2 and 3. In the embodiment of the present application, the data transmission apparatus 500 includes: a receiving module 501, a processing module 502 and a sending module 503, wherein,

a receiving module 501, configured to receive first information and second information sent by a network device, where the first information indicates a starting length indication value SLIV determined by the network device, the second information indicates a range of (S + L), S is a starting resource, and L is a resource length; a processing module 502, configured to determine a first numerical value and a second numerical value according to the SLIV indicated by the first information received by the receiving module, where the first numerical value is floor (SLIV/Lmax) +1, and the second numerical value is SLIV mod (Lmax), where the floor is a downward rounding function, the Lmax is a predefined numerical value or a maximum length value of the L, and mod is a modulo operation function; the processing module 502 is further configured to determine the S and the L according to the range in which the (S + L) indicated by the second information received by the receiving module is located, the first numerical value and the second numerical value; a sending module 503, configured to perform data transmission according to the S and the L determined by the processing module.

In some embodiments of the present application, the processing module 502 is configured to determine that the range of (S + L) indicated by the second information is a first range, and the sum of the first value and the second value belongs to the first range, determine that the value of L is the first value, and determine that the value of S is the second value;

wherein the first range is (0, Lmax).

In some embodiments of the present application, the processing module 502, specifically for the range in which (S + L) indicated by the second information is located is a first range, and the sum of the first numerical value and the second numerical value belongs to a second range, determines the value of L as (Lmax +2 — first numerical value), determines the value of S as (Lmax-1 — second numerical value);

wherein the first range is (0, Lmax ];

the minimum value of the second range is the Lmax +1, or the second range is (Lmax, 2 × Lmax).

In some embodiments of the present application, the processing module 502, specifically configured to determine that (S + L) indicated by the second information is in a second range, and the sum of the first value and the second value belongs to the first range, determine that the value of L is (Lmax +2 — first value), and determine that the value of S is (Lmax-1 — second value);

wherein the first range is (0, Lmax ];

In some embodiments of the application, the processing module 502 is specifically configured to determine that the range in which (S + L) indicated by the second information is located is a second range, and the sum of the first numerical value and the second numerical value belongs to the second range, determine that the value of L is the first numerical value, and the terminal device determines that the value of S is the second numerical value;

wherein the minimum value of the second range is the Lmax +1, or the second range is (Lmax, 2 × Lmax).

Referring to fig. 6, which is a schematic diagram of a structure of a data transmission apparatus in an embodiment of the present application, the data transmission apparatus 600 may implement the functions of the network device in fig. 4 in the foregoing method embodiment, so that the beneficial effects of the foregoing method embodiment in fig. 4 may also be achieved, where the data transmission apparatus 600 includes: a processing module 601 and a sending module 602, where the processing module 601 is configured to determine an initial resource S and a resource length L for data transmission by a terminal device; a sending module 602, configured to send first indication information to the terminal device, where the first indication information is used to indicate that S determined by the processing module uses X resource units as granularity, L uses Y resource units as granularity, and at least one of X and Y is greater than or equal to 2; or the first indication information is used for indicating that the S and the L take Z resource units as granularity, and the Z is greater than or equal to 2; the processing module 601 is further configured to determine a starting length indication value SLIV according to the S and the L; the sending module 602 is further configured to send second indication information to the terminal device, where the second indication information indicates the SLIV determined by the processing module.

In some embodiments of the present application, the sending module 602 is further configured to send third indication information to the terminal device, where the third indication information indicates the first numerical value; wherein the first value and the X are used for determining the value of the S, and the first value is greater than 0 and less than or equal to (X-1); or the first value and the Z are used for determining the value of the S, and the first value is greater than 0 and less than or equal to (Z-1).

In some embodiments of the present application, the sending module 602 is further configured to send fourth indication information to the terminal device, where the fourth indication information indicates a second numerical value; wherein the second value and the Y are used for determining the value of the L, and the second value is greater than 0 and less than or equal to (Y-1); or the second value and the Z are used for determining the value of the L, and the second value is greater than 0 and less than or equal to (Z-1).

Referring to fig. 7, which is a schematic diagram of a composition structure of a data transmission apparatus in an embodiment of the present application, the data transmission apparatus 700 may be configured to implement the functions of the terminal device in the embodiment of the method shown in fig. 4, so as to also implement the effects of the embodiment of the method, and the data transmission apparatus may also be a module (e.g., a chip) applied to the terminal device, where the data transmission apparatus 700 includes: a processing module 701 and a receiving module 702, where the processing module 701 is configured to receive, by the receiving module 702, first indication information sent by a network device, where the first indication information is used to indicate that a starting resource S uses X resource units as a granularity, and a resource length L uses Y resource units as a granularity, and at least one of X and Y is greater than or equal to 2; or the first indication information is used for indicating that the S and the L take Z resource units as granularity, and the Z is greater than or equal to 2; the processing module 701 is further configured to determine the granularity of S and the granularity of L, and receive second indication information sent by the network device through the receiving module 702, where the second indication information is used to indicate a starting length indicator value SLIV.

In some embodiments of the present application, the receiving module 702 is further configured to receive third indication information sent by the network device, where the third indication information indicates the first numerical value.

The processing module 701 is further configured to determine a value of S according to the first value, the X, and the SLV, where the first value is greater than 0 and less than or equal to (X-1); or determining the value of S according to the first value, the Z and the SLV, wherein the first value is larger than 0 and smaller than or equal to (Z-1).

In some embodiments of the present application, the receiving module 702 is further configured to send fourth indication information to the terminal device, where the fourth indication information indicates the second numerical value. The processing module 701 is further configured to determine a value of the L according to the second value, the Y, and the SLV, where the second value is greater than 0 and less than or equal to (Y-1); or determining the value of the L according to the second numerical value, the Z and the SLV, wherein the second numerical value is larger than 0 and smaller than or equal to (Z-1).

In some embodiments of the present application, when X is not equal to 1, X is an integer multiple of 2; or, when X is not equal to 1, X is the power of 2; or, the value set of X is (1,2,4, 8); or, the value set of X is (1,2,4,8, 16).

In some embodiments of the present application, when Z is not equal to 1, the value of Z is an integer multiple of 2; or, when Z is not equal to 1, the value of Z is a power of 2; or, the value set of Z is {1,2,4,8 }; or, the value set of Z is {1,2,4,8,16 }.

In some embodiments of the present application, when the first value is greater than 1 and N is an even number, the value of S is not equal to N/2; or when the first value is greater than 1 and N is an odd number, the value of S is not equal to (N-1)/2; or when the first value is greater than 1 and N is an odd number, the value of S is not equal to (N-3)/2; and N is the maximum number of resource units for data transmission of the terminal equipment.

In some embodiments of the present application, the first indication information comprises M bits, one or more bit states of the M bits indicating the first value and the second value.

The embodiment of the present application further provides a computer storage medium, where the computer storage medium stores a program, and the program executes some or all of the steps described in the above method embodiments.

As shown in fig. 8, communications device 800 includes a processor 810 and an interface circuit 820. Processor 810 and interface circuit 820 are coupled to each other. It is understood that interface circuit 820 may be a transceiver or an input-output interface. Optionally, the communication device 800 may further include a memory 830 for storing instructions to be executed by the processor 810 or for storing input data required by the processor 810 to execute the instructions or for storing data generated by the processor 810 after executing the instructions.

When the communication device 800 is used to implement the method in the above method embodiments, the processor 810 is configured to perform the functions of the processing module, and the interface circuit 820 is configured to perform the functions of the receiving module and the sending module.

When the communication device is a chip applied to a terminal device, the terminal device chip implements the functions of the terminal device in the above method embodiment. The terminal device chip receives information from other modules (such as a radio frequency module or an antenna) in the terminal device, wherein the information is sent to the terminal device by the network device; or, the terminal device chip sends information to other modules (such as a radio frequency module or an antenna) in the terminal device, where the information is sent by the terminal device to the network device.

When the communication device is a chip applied to a network device, the network device chip implements the functions of the network device in the above method embodiments. The network device chip receives information from other modules (such as a radio frequency module or an antenna) in the network device, wherein the information is sent to the network device by the terminal device; alternatively, the network device chip sends information to other modules (such as a radio frequency module or an antenna) in the network device, and the information is sent by the network device to the terminal device.

It is understood that the processor in the embodiments of the present application may be a Central Processing Unit (CPU), other general purpose processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other programmable logic device, a transistor logic device, a hardware component, or any combination thereof. The general purpose processor may be a microprocessor, but may be any conventional processor.

The method steps in the embodiments of the present application may be implemented by hardware, or may be implemented by software instructions executed by a processor. The software instructions may be comprised of corresponding software modules that may be stored in Random Access Memory (RAM), flash Memory, Read-Only Memory (ROM), programmable ROM, Erasable PROM (EPROM), Electrically EPROM (EEPROM), registers, a hard disk, a removable hard disk, a CD-ROM, or any other form of storage medium known in the art. An exemplary storage medium is coupled to the processor such the processor can read information from, and write information to, the storage medium. Of course, the storage medium may also be integral to the processor. The processor and the storage medium may reside in an ASIC. In addition, the ASIC may reside in an access network device or a terminal device. Of course, the processor and the storage medium may reside as discrete components in an access network device or a terminal device.

In the above embodiments, the implementation may be wholly or partially realized by software, hardware, firmware, or any combination thereof. When implemented in software, may be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer programs or instructions. When the computer program or instructions are loaded and executed on a computer, the processes or functions described in the embodiments of the present application are performed in whole or in part. The computer may be a general purpose computer, a special purpose computer, a network of computers, or other programmable device. The computer program or instructions may be stored in or transmitted over a computer-readable storage medium. The computer readable storage medium can be any available medium that can be accessed by a computer or a data storage device such as a server that integrates one or more available media. The usable medium may be a magnetic medium, such as a floppy disk, a hard disk, a magnetic tape; or an optical medium, such as a DVD; it may also be a semiconductor medium, such as a Solid State Disk (SSD).

In the embodiments of the present application, unless otherwise specified or conflicting with respect to logic, the terms and/or descriptions in different embodiments have consistency and may be mutually cited, and technical features in different embodiments may be combined to form a new embodiment according to their inherent logic relationship.

In the present application, "at least one" means one or more, "a plurality" means two or more. "and/or" describes the association relationship of the associated objects, meaning that there may be three relationships, e.g., a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone, wherein A and B can be singular or plural. In the description of the text of the present application, the character "/" generally indicates that the former and latter associated objects are in an "or" relationship; in the formula of the present application, the character "/" indicates that the preceding and following related objects are in a relationship of "division".

It is to be understood that the various numerical references referred to in the embodiments of the present application are merely for descriptive convenience and are not intended to limit the scope of the embodiments of the present application. The sequence numbers of the above-mentioned processes do not mean the execution sequence, and the execution sequence of the processes should be determined by their functions and inherent logic.

Claims

A method of data transmission, comprising:

receiving first information and second information sent by a network device, wherein the first information indicates a starting length indication value SLIV determined by the network device, the second information indicates a range in which (S + L) is located, S is a starting resource, and L is a resource length;

determining a first numerical value and a second numerical value according to the SLIV, wherein the first numerical value is floor (SLIV/Lmax) +1, the second numerical value is SLIV mod (Lmax), the floor is a down rounding function, the Lmax is a preset numerical value or the maximum length value of the L, and the mod is a modulo operation function;

determining the S and the L according to the range of the (S + L), the first numerical value and the second numerical value;

and carrying out data transmission according to the S and the L.
The method of claim 1, wherein determining the S and the L according to the range in which the (S + L) is located, the first value, and the second value comprises:

the range in which (S + L) indicated by the second information is located is a first range, the sum of the first numerical value and the second numerical value belongs to the first range, the value of L is determined to be the first numerical value, and the value of S is determined to be the second numerical value;

wherein the first range is (0, Lmax).
The method of claim 1, wherein determining the S and the L according to the range in which the (S + L) is located, the first value, and the second value comprises:

the range in which (S + L) indicated by the second information is located is a first range, the sum of the first numerical value and the second numerical value belongs to a second range, the value of L is determined to be (Lmax + 2-first numerical value), and the value of S is determined to be (Lmax-1-second numerical value);

wherein the first range is (0, Lmax ];

the minimum value of the second range is the Lmax +1, or the second range is (Lmax, 2 × Lmax).
The method of claim 1, wherein determining the S and the L according to the range in which the (S + L) is located, the first value, and the second value comprises:

the range in which (S + L) indicated by the second information is located is a second range, the sum of the first numerical value and the second numerical value belongs to the first range, the value of L is determined to be (Lmax + 2-first numerical value), and the value of S is determined to be (Lmax-1-second numerical value);

wherein the first range is (0, Lmax ];

the minimum value of the second range is the Lmax +1, or the second range is (Lmax, 2 × Lmax).
The method of claim 1, wherein determining the S and the L according to the range in which the (S + L) is located, the first value, and the second value comprises:

the range in which (S + L) indicated by the second information is located is a second range, the sum of the first numerical value and the second numerical value belongs to the second range, the value of L is determined to be the first numerical value, and the terminal device determines the value of S to be the second numerical value;

wherein the minimum value of the second range is the Lmax +1, or the second range is (Lmax, 2 × Lmax).
A method of data transmission, comprising:

determining an initial resource S and a resource length L for data transmission of the terminal equipment;

sending first indication information to the terminal device, where the first indication information is used to indicate that the S takes X resource units as granularity, the L takes Y resource units as granularity, and at least one of the X and the Y is greater than or equal to 2; or the first indication information is used for indicating that the S and the L take Z resource units as granularity, and the Z is greater than or equal to 2;

determining a starting length indication value SLIV according to the S and the L;

and sending second indication information to the terminal equipment, wherein the second indication information is used for indicating the SLIV.
The method of claim 6, further comprising:

sending third indication information to the terminal equipment, wherein the third indication information indicates a first numerical value;

wherein the first value and the X are used for determining the value of the S, and the first value is greater than 0 and less than or equal to (X-1); or the first value and the Z are used for determining the value of the S, and the first value is greater than 0 and less than or equal to (Z-1).
The method according to claim 6 or 7, characterized in that the method further comprises:

sending fourth indication information to the terminal equipment, wherein the fourth indication information indicates a second numerical value;

determining the value of the L according to the second numerical value and the Y, wherein the second numerical value is greater than 0 and less than or equal to (Y-1); alternatively, the first and second electrodes may be,

and determining the value of the L according to the second numerical value and the Z, wherein the second numerical value is greater than 0 and less than or equal to (Z-1).
A method of data transmission, comprising:

receiving first indication information sent by a network device, where the first indication information is used to indicate that an initial resource S takes X resource units as granularity, and a resource length L takes Y resource units as granularity, and at least one of X and Y is greater than or equal to 2; or the first indication information is used for indicating that the S and the L take Z resource units as granularity, and the Z is greater than or equal to 2;

and determining the granularity of the S and the granularity of the L, and receiving second indication information sent by the network equipment, wherein the second indication information is used for indicating a starting length indication value SLIV.
The method of claim 9, further comprising:

receiving third indication information sent by the network equipment, wherein the third indication information indicates a first numerical value;

determining the value of S according to the first numerical value, the X and the SLV, wherein the first numerical value is greater than 0 and less than or equal to (X-1); alternatively, the first and second electrodes may be,

and determining the value of the S according to the first numerical value, the Z and the SLV, wherein the first numerical value is greater than 0 and less than or equal to (Z-1).
The method according to claim 9 or 10, characterized in that the method further comprises:

sending fourth indication information to the terminal equipment, wherein the fourth indication information indicates a second numerical value;

determining the value of the L according to the second numerical value, the Y and the SLV, wherein the second numerical value is greater than 0 and less than or equal to (Y-1); alternatively, the first and second electrodes may be,

and determining the value of the L according to the second numerical value, the Z and the SLV, wherein the second numerical value is greater than 0 and less than or equal to (Z-1).
The method according to any one of claims 6 to 11,

when X is not equal to 1, X is an integer multiple of 2; or the like, or, alternatively,

when X is not equal to 1, X is the power of 2; or the like, or, alternatively,

the value set of X is (1,2,4, 8); or the like, or, alternatively,

the value set of X is (1,2,4,8, 16).
The method according to any one of claims 6 to 12,

when Z is not equal to 1, the value of Z is an integral multiple of 2; or the like, or, alternatively,

when Z is not equal to 1, the value of Z is a power of 2; or the like, or, alternatively,

the value set of Z is {1,2,4,8 }; or the like, or, alternatively,

the value set of Z is {1,2,4,8,16 }.
The method according to any one of claims 6 to 13, wherein when X is greater than 1 and N is an even number, the value of S is not equal to N/2; alternatively, the first and second electrodes may be,

when X is more than 1 and N is an odd number, the value of S is not equal to (N-1)/2; alternatively, the first and second electrodes may be,

when X is more than 1 and N is an odd number, the value of S is not equal to (N-3)/2;

and N is the maximum number of resource units for data transmission of the terminal equipment.
The method according to any one of claims 6 to 14, wherein the first indication information comprises M bits, and one or more bit states of the M bits indicate the X and the Y.
A data transmission apparatus, comprising:

a receiving module, configured to receive first information and second information sent by a network device, where the first information indicates a starting length indication value SLIV determined by the network device, and the second information indicates a range where (S + L) is located, where S is a starting resource and L is a resource length;

a processing module, configured to determine a first numerical value and a second numerical value according to the SLIV indicated by the first information received by the receiving module, where the first numerical value is floor (SLIV/Lmax) +1, and the second numerical value is SLIV mod (Lmax), where floor is a downward rounding function, Lmax is a preset numerical value or a maximum length value of the L, and mod is a modulo operation function;

the processing module is further configured to determine the S and the L according to the range in which the (S + L) indicated by the second information received by the receiving module is located, the first numerical value and the second numerical value;

and the sending module is used for carrying out data transmission according to the S and the L determined by the processing module.
The apparatus of claim 16, wherein the processing module is configured to determine that the range of (S + L) indicated by the second information is a first range, and a sum of the first value and the second value belongs to the first range, determine that the value of L is the first value, and determine that the value of S is the second value;

wherein the first range is (0, Lmax).
The apparatus of claim 16, wherein the processing module, specifically for the range in which (S + L) indicated by the second information is located, is a first range, and the sum of the first value and the second value belongs to a second range, determines the value of L as (Lmax + 2-first value), determines the value of S as (Lmax-1-second value);

wherein the first range is (0, Lmax ];

the minimum value of the second range is the Lmax +1, or the second range is (Lmax, 2 × Lmax).
The apparatus of claim 16, wherein the processing module, specifically for the range in which (S + L) indicated by the second information is located, is a second range, and the sum of the first value and the second value belongs to the first range, determines the value of L as (Lmax + 2-first value), determines the value of S as (Lmax-1-second value);

wherein the first range is (0, Lmax ];

the minimum value of the second range is the Lmax +1, or the second range is (Lmax, 2 × Lmax).
The apparatus according to claim 16, wherein the processing module, specifically, a range in which (S + L) indicated by the second information is located is a second range, and a sum of the first numerical value and the second numerical value belongs to the second range, determines that the value of L is the first numerical value, and the terminal device determines that the value of S is the second numerical value;

wherein the minimum value of the second range is the Lmax +1, or the second range is (Lmax, 2 × Lmax).
A data transmission apparatus, comprising:

the processing module is used for determining an initial resource S and a resource length L for data transmission of the terminal equipment;

a sending module, configured to send first indication information to the terminal device, where the first indication information is used to indicate that the S determined by the processing module uses X resource units as granularity, the L uses Y resource units as granularity, and at least one of X and Y is greater than or equal to 2; or the first indication information is used for indicating that the S and the L take Z resource units as granularity, and the Z is greater than or equal to 2;

the processing module is further configured to determine a starting length indication value SLIV according to the S and the L;

the sending module is further configured to send second indication information to the terminal device, where the second indication information indicates the SLIV determined by the processing module.
The apparatus of claim 21, wherein the sending module is further configured to send third indication information to the terminal device, where the third indication information indicates the first numerical value; wherein the first value and the X are used for determining the value of the S, and the first value is greater than 0 and less than or equal to (X-1); or the first value and the Z are used for determining the value of the S, and the first value is greater than 0 and less than or equal to (Z-1).
The apparatus according to claim 21 or 22, wherein the sending module is further configured to send fourth indication information to the terminal device, where the fourth indication information indicates the second numerical value; wherein the second value and the Y are used for determining the value of the L, and the second value is greater than 0 and less than or equal to (Y-1); or the second value and the Z are used for determining the value of the L, and the second value is greater than 0 and less than or equal to (Z-1).
A data transmission apparatus, comprising:

a processing module, configured to receive, by a receiving module, first indication information sent by a network device, where the first indication information is used to indicate that an initial resource S uses X resource units as a granularity, and a resource length L uses Y resource units as a granularity, and at least one of X and Y is greater than or equal to 2; or the first indication information is used for indicating that the S and the L take Z resource units as granularity, and the Z is greater than or equal to 2;

the processing module is further configured to determine the granularity of the S and the granularity of the L, and receive, by the receiving module, second indication information sent by the network device, where the second indication information is used to indicate a starting length indication value SLIV.
The apparatus of claim 24,

the receiving module is further configured to receive third indication information sent by the network device, where the third indication information indicates the first numerical value;

the processing module is further configured to determine a value of S according to the first value, the X, and the SLV, where the first value is greater than 0 and less than or equal to (X-1); or determining the value of S according to the first value, the Z and the SLV, wherein the first value is larger than 0 and smaller than or equal to (Z-1).
The apparatus of claim 24 or 25,

the receiving module is further configured to send fourth indication information to the terminal device, where the fourth indication information indicates a second numerical value;

the processing module is further configured to determine a value of the L according to the second value, the Y, and the SLV, where the second value is greater than 0 and less than or equal to (Y-1); or determining the value of the L according to the second numerical value, the Z and the SLV, wherein the second numerical value is larger than 0 and smaller than or equal to (Z-1).
The apparatus of any one of claims 21 to 26,

when X is not equal to 1, X is an integer multiple of 2; or the like, or, alternatively,

when X is not equal to 1, X is the power of 2; or the like, or, alternatively,

the value set of X is (1,2,4, 8); or the like, or, alternatively,

the value set of X is (1,2,4,8, 16).
The apparatus of any one of claims 21 to 27,

when Z is not equal to 1, the value of Z is an integral multiple of 2; or the like, or, alternatively,

when Z is not equal to 1, the value of Z is a power of 2; or the like, or, alternatively,

the value set of Z is {1,2,4,8 }; or the like, or, alternatively,

the value set of Z is {1,2,4,8,16 }.
The apparatus according to any one of claims 21 to 28, wherein when the first value is greater than 1 and N is an even number, the value of S is not equal to N/2; alternatively, the first and second electrodes may be,

when the first value is more than 1 and N is an odd number, the value of S is not equal to (N-1)/2; alternatively, the first and second electrodes may be,

when the first value is more than 1 and N is an odd number, the value of S is not equal to (N-3)/2;

and N is the maximum number of resource units for data transmission of the terminal equipment.
The apparatus of any one of claims 21 to 29, wherein the first indication information comprises M bits, and wherein one or more bit states of the M bits indicate the first value and the second value.
A computer-readable storage medium comprising instructions that, when executed on a computer, cause the computer to perform the method of any of claims 1-5, or 6-15.
A communications device comprising a processor and a communications interface for receiving signals from or transmitting signals to or from a communications device other than the communications device, the processor being operable by logic circuitry or executing code instructions to implement the method of any of claims 1 to 5 or 6 to 15.