Signal sending method and device

Abstract

The present invention provides a method and device for sending a signal, wherein the method for sending the signal comprises: sending a signal in a subframe, wherein the subframe includes N short transmission time interval sTTI starting positions, wherein the subframe includes 14 symbols, and the value of N is taken from the set {6, 7, 8, 9, 10, 11, 12, 13, 14}. The above technical solution can solve the problem in the related art that the delay based on sTTI cannot be effectively reduced, meet the requirements of high reliability and low delay, and achieve delay reduction.

Description

Technical Field

[0001] The present invention relates to the field of communications, and in particular to a method and device for sending a signal. Background Art

[0002] Semi-Persistent Scheduling (SPS) is also called semi-static scheduling. Unlike dynamic scheduling, which allocates radio resources to the UE once in each Transmission Time Interval (TTI), SPS allows semi-static configuration of radio resources and periodically allocates the resources to a specific UE. Simply put, the eNodeB uses the PDCCH scrambled with the SPS cell radio network temporary identifier (C-RNTI) in a certain TTI to specify the radio resources used by the UE. After each cycle, the UE uses the SPS resources to receive or send data. Since SPS has the feature of "one allocation, multiple uses", there is no need to send DCI to the UE in each TTI, thereby reducing latency and PDCCH overhead.

[0003] Short TTI can be understood as short TTI (sTTI for short). The introduction of sTTI in LTE can reduce RTT, thereby reducing latency. However, with the increase in communication scenarios, latency and reliability requirements have become more stringent. For example, the Ultra Reliable Low Latency Communication (URLLC) service has strict transmission latency requirements, and related technologies still cannot meet the latency requirements under high reliability.

[0004] Therefore, in the related technology, there is currently no effective solution to the problem of how to effectively reduce latency based on sTTI. Summary of the Invention

[0005] The embodiments of the present invention provide a method and device for sending a signal to at least solve the technical problem in the related art of how to effectively reduce the delay based on sTTI, for which there is currently no effective solution.

[0006] According to an embodiment of the present invention, a method for sending a signal is provided, comprising:

[0007] The signal is sent in a subframe, which contains N short transmission time interval sTTI starting positions, where the subframe contains 14 symbols and the value of N is taken from the set {6, 7, 8, 9, 10, 11, 12, 13, 14}.

[0008] Optionally, the 14 symbols are numbered 0 to 13. When N>6, the time domain symbol length corresponding to the sTTI with the starting position of symbol n in the N sTTIs is set to 2, where the value of n is taken from the set {1, 3, 12}.

[0009] Optionally, the 14 symbols are numbered from 0 to 13. When N>6, the time domain symbol length corresponding to the sTTI with the starting position of symbol n in the N sTTIs is set to 3, where the value of n is taken from the set {2, 4, 6, 8}.

[0010] Optionally, the 14 symbols are numbered 0 to 13. When N ≥ 8,

[0011] The starting positions of 6 sTTIs in N sTTIs are symbols 0, 3, 5, 7, 9 and 11 respectively, and the time domain symbol lengths of the 6 sTTIs are 3, 2, 2, 2, 2 and 3 respectively;

[0012] When two sTTIs starting at symbol 2 and symbol 4 are adjacent, the time domain symbol length of the sTTI starting at symbol 2 is set to 2;

[0013] When two sTTIs starting at symbol 4 and symbol 6 are adjacent, the time domain symbol length of the sTTI starting at symbol 4 is set to 2;

[0014] When two sTTIs whose starting positions are symbol 6 and symbol 8 respectively are adjacent, the time domain symbol length of the sTTI whose starting position is symbol 6 is set to 2.

[0015] Optionally, the 14 symbols are numbered 0 to 13. When N ≥ 8,

[0016] The starting positions of 6 sTTIs in N sTTIs are symbols 0, 2, 5, 7, 9 and 11 respectively, and the time domain symbol lengths of the 6 sTTIs are 2, 3, 2, 2, 2 and 3 respectively;

[0017] When two sTTIs with symbol 4 and symbol 6 as the starting positions are adjacent, the time domain symbol length of the sTTI with symbol 4 as the starting position is set to 2;

[0018] When two sTTIs with starting positions of symbol 6 and symbol 8 are adjacent, the time domain symbol length of the sTTI with starting position of symbol 6 is set to 2.

[0019] Optionally, the 14 symbols are numbered 0 to 13. When N=7, N sTTIs are set in one of the following ways:

[0020] Set the starting positions of N sTTIs to symbols 0, 1, 3, 5, 7, 9, and 11, and the time domain symbol lengths of N sTTIs to 3, 2, 2, 2, 2, 2, and 3, respectively;

[0021] Set the starting positions of N sTTIs to symbols 0, 3, 5, 7, 9, 11, and 12 respectively, and the time domain symbol lengths of N sTTIs to 3, 2, 2, 2, 2, 3, and 2 respectively;

[0022] Set the starting positions of N sTTIs to symbols 0, 2, 3, 5, 7, 9, and 11, and the time domain symbol lengths of N sTTIs to 2, 3, 2, 2, 2, 2, and 3, respectively;

[0023] The starting positions of N sTTIs are set to symbols 0, 2, 5, 7, 9, 11, and 12 respectively, and the time domain symbol lengths of N sTTIs are 2, 3, 2, 2, 2, 2, and 3 respectively.

[0024] Optionally, the 14 symbols are numbered 0 to 13. When N=8, N sTTIs are set in one of the following ways:

[0025] Set the starting positions of N stti to symbols 0, 1, 3, 5, 7, 9, 11, and 12, and the time domain symbol lengths of N stti to 3, 2, 2, 2, 2, 2, 3, and 2, respectively;

[0026] The starting positions of N sTTIs are set to symbols 0, 2, 3, 5, 7, 9, 11, and 12 respectively, and the time domain symbol lengths of N sTTIs are 2, 3, 2, 2, 2, 2, 3, and 2 respectively.

[0027] Optionally, the 14 symbols are numbered 0 to 13. When N=10, N sTTIs are set in one of the following ways:

[0028] Set the starting positions of N sTTIs to symbols 0, 1, 3, 4, 5, 7, 8, 9, 11, and 12, respectively, where the time domain symbol lengths of N sTTIs are 3, 2, 2, 3, 2, 2, 3, 2, 3, and 2, respectively;

[0029] The starting positions of N sTTIs are set to symbols 0, 1, 2, 3, 5, 7, 8, 9, 11 and 12, respectively, where the time domain symbol lengths of N sTTIs are 2, 2, 3, 2, 2, 2, 3, 2, 3 and 2 respectively.

[0030] Optionally, the 14 symbols are numbered 0 to 13. When N=12, N sTTIs are set in one of the following ways:

[0031] Set the starting positions of N sTTIs to symbols 0, 1, 2, 3, 4, 5, 7, 8, 9, 10, 11, and 12, respectively, where the time domain symbol lengths of N sTTIs are 3, 2, 2, 2, 3, 2, 2, 2, 2, 3, and 2, respectively;

[0032] The starting positions of N sTTIs are set to symbols 0, 1, 2, 3, 4, 5, 7, 8, 9, 10, 11 and 12 respectively, where the time domain symbol lengths of N sTTIs are 2, 2, 3, 2, 3, 2, 2, 2, 2, 3 and 2 respectively.

[0033] Optionally, the 14 symbols are numbered 0 to 13. When N=6, the starting positions of the N stti are set to symbols 0, 3, 5, 7, 9, and 11, or the starting positions of the N stti are set to symbols 0, 2, 5, 7, 9, and 11, respectively.

[0034] Among them, the time domain symbol length of N stti is 2.

[0035] Optionally, the 14 symbols are numbered 0 to 13. When N=X, the X sTTI starting positions and the symbol lengths corresponding to the X sTTIs constitute a set S1. When N=Y, the Y sTTI starting positions and the symbol lengths corresponding to the Y sTTIs constitute a set S2, and X≤Y, then S1 is a subset of S2, where X and Y are positive integers.

[0036] Optionally, when N=10, N sTTIs are set in one of the following ways:

[0037] Set the starting positions of N sTTIs to symbols 0, 1, 3, 4, 5, 7, 8, 9, 11, and 12, and the time domain symbol lengths of N sTTIs to 3, 2, 2, 2, 2, 2, 2, 3, and 2, respectively;

[0038] The starting positions of N sTTIs are set to symbols 0, 1, 2, 3, 5, 7, 8, 9, 11 and 12 respectively, and the time domain symbol lengths of N sTTIs are 2, 2, 3, 2, 2, 2, 2, 3 and 2 respectively.

[0039] Optionally, when N=12, N sTTIs are set in one of the following ways:

[0040] Set the starting positions of N sTTIs to symbols 0, 1, 2, 3, 4, 5, 7, 8, 9, 10, 11, and 12, and the time domain symbol lengths of N sTTIs to 3, 2, 2, 2, 2, 2, 2, 2, 2, 3, and 2, respectively;

[0041] The starting positions of N sTTIs are set to symbols 0, 1, 3, 4, 5, 7, 8, 9, 11 and 12 respectively, and the time domain symbol lengths of N sTTIs are 2, 2, 3, 2, 2, 2, 2, 2, 2, 3 and 2 respectively.

[0042] Optionally, the 14 symbols are numbered 0 to 13, and the method further includes setting a pilot in the subframe in at least one of the following manners:

[0043] When N ≥ 6, and the time domain symbol lengths of the sTTIs whose starting positions are symbols 0, 3, 5, 7, 9, and 11 in the N sTTIs are 3, 2, 2, 2, 2, 3 respectively, it is set that the sTTIs whose starting positions are symbols 0, 1, 2, 11, 12, and 13 in the N sTTIs all include pilots;

[0044] When the time domain symbol lengths of the sTTIs whose starting positions are symbols 0, 2, 5, 7, 9 and 11 in N sTTIs are 2, 3, 2, 2, 2, 3 respectively, the sTTIs whose starting positions are symbols 0, 1, 11, 12, and 13 in N sTTIs are set to include pilots; wherein, for the sTTI whose time domain symbol length including the pilot is 3, the position of the pilot and the data is set according to one of the following formats: RDD, DDR; for the sTTI whose time domain symbol length is 2, the position of the pilot and the data is set according to one of the following formats: RD, DR;

[0045] Set the sTTIs with a time domain symbol length of 3 in N sTTIs to include pilots, wherein the positions of the pilots and data in the sTTIs including the pilots are set according to one of the following formats: RDD, DDR;

[0046] Set the sTTIs with a time domain symbol length of 2 in N sTTIs to include pilots, wherein the positions of the pilots and data in the sTTIs including the pilots are set according to one of the following formats: RD, DR;

[0047] For two adjacent sTTIs belonging to the same time slot whose time domain symbol lengths are both 2, a shared pilot is set, wherein the positions of the shared pilot and data are set for two adjacent sTTIs whose time domain symbol lengths are both 2 according to one of the following formats: DD and RD, or DD and DR;

[0048] Among them, R represents pilot and D represents data.

[0049] Optionally, the 14 symbols are numbered from 0 to 13, and when N>6, the starting positions of the 6 sTTIs in the N sTTIs are symbols 0, 3, 5, 7, 9 and 11, and the time domain symbol lengths of the 6 sTTIs are 3, 2, 2, 2, 2 and 3, respectively, or the starting positions of the 6 sTTIs are symbols 0, 2, 5, 7, 9 and 11, and the time domain symbol lengths of the 6 sTTIs are 2, 3, 2, 2, 2 and 3, respectively, when the xth sTTI other than the 6 sTTIs in the N sTTIs is fed back, the symbol corresponding to the ending position of the xth sTTI is located in the yth sTTI among the 6 sTTIs, then the feedback timing of the xth sTTI has the same relationship as the feedback timing of the yth sTTI, where x and y are positive integers.

[0050] Optionally, the 14 symbols are numbered 0 to 13.

[0051] If the symbols corresponding to the starting position and the ending position of the i-th sTTI are both contained in the j-th sTTI, when feedback is given to the i-th sTTI and the j-th sTTI, 1 bit is set to provide feedback to the i-th sTTI or to the j-th sTTI, where i, j, and are both positive integers.

[0052] Optionally, if the symbols corresponding to the starting position and the ending position of the i-th sTTI are respectively contained in the k-th sTTI and the h-th sTTI, when feedback is given to the i-th sTTI, the k-th sTTI, and the h-th sTTI, 1 bit is set to provide feedback to the i-th sTTI, or one of the 2 bits is used to provide feedback to the k-th sTTI, and the other bit of the 2 bits is used to provide feedback to the h-th sTTI, where i, k, and h are all positive integers.

[0053] Optionally, if the symbol corresponding to the end position of the i-th sTTI and the symbol corresponding to the end position of the p-th sTTI are both included in the t-th sTTI, when feedback is performed on the i-th sTTI, the p-th sTTI, and the t-th sTTI, one of the 2 bits is set to provide feedback on the i-th sTTI, and the other bit of the 2 bits is used to provide feedback on the p-th sTTI, or 1 bit is set to provide feedback on the t-th sTTI, where i, p, and t are all positive integers.

[0054] Optionally, according to an embodiment of the present invention, a signal sending device is provided, including:

[0055] The sending module is used to send a signal in a subframe, where the subframe includes N short transmission time interval sTTI starting positions, where the subframe includes 14 symbols and the value of N is taken from the set {6, 7, 8, 9, 10, 11, 12, 13, 14}.

[0056] Optionally, the 14 symbols are numbered from 0 to 13, and the device also includes a setting module for setting the time domain symbol length corresponding to the sTTI with a starting position of symbol n in the N sTTIs to 2 when N>6, where the value of n is taken from the set {1,3,12}.

[0057] Optionally, the 14 symbols are numbered from 0 to 13, and the device also includes a setting module for setting the time domain symbol length corresponding to the sTTI with a starting position of symbol n in the N sTTIs to 3 when N>6, where the value of n is taken from the set {2, 4, 6, 8}.

[0058] The present invention solves the problem of how to effectively reduce latency based on sTTI, a technical problem that currently has no effective solution, by meeting the requirements of high reliability and low latency, and achieving latency reduction, because there are N short transmission time interval (sTTI) starting positions in a subframe, where a subframe contains 14 symbols and the value of N is taken from the set {6, 7, 8, 9, 10, 11, 12, 13, 14}. BRIEF DESCRIPTION OF THE DRAWINGS

[0059] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of this application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0060] Figure 1 is a flowchart of a method for sending a subframe according to an embodiment of the present invention;

[0061] Figure 2 is a structural block diagram of a subframe transmitting apparatus according to an embodiment of the present invention;

[0062] Figure 3A 1 is a schematic diagram of an sTTI pattern according to an embodiment of the present invention (I);

[0063] Figure 3B 2 is a schematic diagram of an sTTI pattern according to an embodiment of the present invention;

[0064] Figure 4A Schematic diagram of a sTTI pattern according to an embodiment of the present invention (III);

[0065] Figure 4B Schematic diagram of a sTTI pattern according to an embodiment of the present invention (four);

[0066] Figure 5A 5 is a schematic diagram of a sTTI pattern according to an embodiment of the present invention;

[0067] Figure 5B6 is a schematic diagram of an sTTI pattern according to an embodiment of the present invention;

[0068] Figure 6 7 is a schematic diagram of an sTTI pattern according to an embodiment of the present invention;

[0069] Figure 7A 8 is a schematic diagram of a sTTI pattern according to an embodiment of the present invention;

[0070] Figure 7B 9 is a schematic diagram of an sTTI pattern according to an embodiment of the present invention;

[0071] Figure 8A 10 is a schematic diagram of an sTTI pattern according to an embodiment of the present invention;

[0072] Figure 8B 11 is a schematic diagram of a sTTI pattern according to an embodiment of the present invention;

[0073] Figure 9A 12 is a schematic diagram of an sTTI pattern according to an embodiment of the present invention;

[0074] Figure 9B 13 is a schematic diagram of an sTTI pattern according to an embodiment of the present invention (13);

[0075] Figure 10A 14 is a schematic diagram of an sTTI pattern according to an embodiment of the present invention;

[0076] Figure 10B is a schematic diagram of an sTTI pattern according to an embodiment of the present invention (fifteen);

[0077] Figure 11A 16 is a schematic diagram of an sTTI pattern according to an embodiment of the present invention;

[0078] Figure 11B 17 is a schematic diagram of an sTTI pattern according to an embodiment of the present invention;

[0079] Figure 12A 18 is a schematic diagram of a sTTI pattern according to an embodiment of the present invention;

[0080] Figure 12B 19 is a schematic diagram of an sTTI pattern according to an embodiment of the present invention;

[0081] Figure 13A 20 is a schematic diagram of an sTTI pattern according to an embodiment of the present invention;

[0082] Figure 13B 21 is a schematic diagram of a sTTI pattern according to an embodiment of the present invention;

[0083] Figure 14A 22 is a schematic diagram of a sTTI pattern according to an embodiment of the present invention;

[0084] Figure 14B 23 is a schematic diagram of a sTTI pattern according to an embodiment of the present invention;

[0085] Figure 15A 24 is a schematic diagram of a sTTI pattern according to an embodiment of the present invention;

[0086] Figure 15B 25 is a schematic diagram of a sTTI pattern according to an embodiment of the present invention;

[0087] Figure 16A 26 is a schematic diagram of a sTTI pattern according to an embodiment of the present invention;

[0088] Figure 16B 27 is a schematic diagram of a sTTI pattern according to an embodiment of the present invention;

[0089] Figure 17A 28 is a schematic diagram of a sTTI pattern according to an embodiment of the present invention;

[0090] Figure 17B 29 is a schematic diagram of a sTTI pattern according to an embodiment of the present invention;

[0091] Figure 18A 30 is a schematic diagram of a sTTI pattern according to an embodiment of the present invention;

[0092] Figure 18B 31 is a schematic diagram of a sTTI pattern according to an embodiment of the present invention;

[0093] Figure 19A 32 is a schematic diagram of a sTTI pattern according to an embodiment of the present invention;

[0094] Figure 19B 33 is a schematic diagram of a sTTI pattern according to an embodiment of the present invention;

[0095] Figure 20 34 is a schematic diagram of a sTTI pattern according to an embodiment of the present invention;

[0096] Figure 21A 35 is a schematic diagram of a sTTI pattern according to an embodiment of the present invention;

[0097] Figure 21B 36 is a schematic diagram of a sTTI pattern according to an embodiment of the present invention;

[0098] Figure 22 Schematic diagram of sTTI feedback timing according to an embodiment of the present invention (1);

[0099] Figure 23 Schematic diagram of sTTI feedback timing according to an embodiment of the present invention (II);

[0100] Figure 24 This is a schematic diagram of sTTI feedback timing according to an embodiment of the present invention (three). DETAILED DESCRIPTION

[0101] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments. It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other.

[0102] It should be noted that the terms "first", "second", etc. in the description and claims of the present invention and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence.

[0103] Example 1

[0104] In this embodiment, a method for sending a signal is provided. Figure 1 FIG. 1 is a flow chart of a method for sending a signal according to an embodiment of the present invention. Figure 1 As shown, the process includes the following steps:

[0105] Step S102: Send a signal in a subframe, where the subframe contains N short transmission time interval sTTI starting positions, where the subframe contains 14 symbols, and the value of N is taken from the set {6, 7, 8, 9, 10, 11, 12, 13, 14}.

[0106] Through the above steps, since there are N short transmission time interval (sTTI) starting positions in a subframe, where a subframe contains 14 symbols and the value of N is taken from the set {6, 7, 8, 9, 10, 11, 12, 13, 14}, this can solve the technical problem of how to effectively reduce latency based on sTTI in related technologies, which currently has no effective solution. This meets the requirements of high reliability and low latency, and achieves latency reduction.

[0107] The sending of a signal in a subframe may be understood as carrying the signal through the subframe.

[0108] Optionally, the subframe contains 14 symbols, and the 14 symbols are numbered 0 to 13. When N>6, the time domain symbol length corresponding to the sTTI with a starting position of symbol n in the N sTTIs is set to 2, where the value of n is taken from the set {1,3,12}, that is, the time domain symbol length corresponding to the sTTI with a starting position of at least one of the following symbols 1, 3, 12 in the N sTTIs is set to 2.

[0109] Optionally, the subframe contains 14 symbols, and the 14 symbols are numbered 0 to 13. When N>6, the time domain symbol length corresponding to the sTTI with a starting position of symbol n in the N sTTIs is set to 3, where the value of n is taken from the set {2, 4, 6, 8}, that is, the time domain symbol length corresponding to the sTTI with a starting position of at least one of the following symbols 2, 4, 6, 8 in the N sTTIs is set to 3.

[0110] Optionally, a subframe includes 14 symbols, and the 14 symbols are numbered 0 to 13. When N ≥ 8,

[0111] The starting positions of 6 sTTIs in N sTTIs are symbols 0, 3, 5, 7, 9 and 11 respectively, and the time domain symbol lengths of the 6 sTTIs are 3, 2, 2, 2, 2 and 3 respectively;

[0112] When two sTTIs starting at symbol 2 and symbol 4 are adjacent, the time domain symbol length of the sTTI starting at symbol 2 is set to 2;

[0113] When two sTTIs starting at symbol 4 and symbol 6 are adjacent, the time domain symbol length of the sTTI starting at symbol 4 is set to 2;

[0114] When two sTTIs whose starting positions are symbol 6 and symbol 8 respectively are adjacent, the time domain symbol length of the sTTI whose starting position is symbol 6 is set to 2.

[0115] Optionally, a subframe includes 14 symbols, and the 14 symbols are numbered 0 to 13. When N ≥ 8,

[0116] The starting positions of 6 sTTIs in N sTTIs are symbols 0, 2, 5, 7, 9 and 11 respectively, and the time domain symbol lengths of the 6 sTTIs are 2, 3, 2, 2, 2 and 3 respectively;

[0117] When two sTTIs with symbol 4 and symbol 6 as the starting positions are adjacent, the time domain symbol length of the sTTI with symbol 4 as the starting position is set to 2;

[0118] When two sTTIs with starting positions of symbol 6 and symbol 8 are adjacent, the time domain symbol length of the sTTI with starting position of symbol 6 is set to 2.

[0119] Optionally, a subframe includes 14 symbols, and the 14 symbols are numbered 0 to 13. When N=7, N sTTIs are set in one of the following ways:

[0120] Set the starting positions of N sTTIs to symbols 0, 1, 3, 5, 7, 9, and 11, and the time domain symbol lengths of N sTTIs to 3, 2, 2, 2, 2, 2, and 3, respectively;

[0121] Set the starting positions of N sTTIs to symbols 0, 3, 5, 7, 9, 11, and 12 respectively, and the time domain symbol lengths of N sTTIs to 3, 2, 2, 2, 2, 3, and 2 respectively;

[0122] Set the starting positions of N sTTIs to symbols 0, 2, 3, 5, 7, 9, and 11, and the time domain symbol lengths of N sTTIs to 2, 3, 2, 2, 2, 2, and 3, respectively;

[0123] The starting positions of N sTTIs are set to symbols 0, 2, 5, 7, 9, 11, and 12 respectively, and the time domain symbol lengths of N sTTIs are 2, 3, 2, 2, 2, 2, and 3 respectively.

[0124] Optionally, a subframe includes 14 symbols, and the 14 symbols are numbered 0 to 13. When N=8, N sTTIs are set in one of the following ways:

[0125] Set the starting positions of N stti to symbols 0, 1, 3, 5, 7, 9, 11, and 12, and the time domain symbol lengths of N stti to 3, 2, 2, 2, 2, 2, 3, and 2, respectively;

[0126] The starting positions of N sTTIs are set to symbols 0, 2, 3, 5, 7, 9, 11, and 12 respectively, and the time domain symbol lengths of N sTTIs are 2, 3, 2, 2, 2, 2, 3, and 2 respectively.

[0127] Optionally, a subframe includes 14 symbols, and the 14 symbols are numbered 0 to 13. When N=10, N sTTIs are set in one of the following ways:

[0128] Set the starting positions of N sTTIs to symbols 0, 1, 3, 4, 5, 7, 8, 9, 11, and 12, respectively, where the time domain symbol lengths of N sTTIs are 3, 2, 2, 3, 2, 2, 3, 2, 3, and 2, respectively;

[0129] The starting positions of N sTTIs are set to symbols 0, 1, 2, 3, 5, 7, 8, 9, 11 and 12, respectively, where the time domain symbol lengths of N sTTIs are 2, 2, 3, 2, 2, 2, 3, 2, 3 and 2 respectively.

[0130] Optionally, a subframe includes 14 symbols, and the 14 symbols are numbered 0 to 13. When N=12, N sTTIs are set in one of the following ways:

[0131] Set the starting positions of N sTTIs to symbols 0, 1, 2, 3, 4, 5, 7, 8, 9, 10, 11, and 12, respectively, where the time domain symbol lengths of N sTTIs are 3, 2, 2, 2, 3, 2, 2, 2, 2, 3, and 2, respectively;

[0132] The starting positions of N sTTIs are set to symbols 0, 1, 2, 3, 4, 5, 7, 8, 9, 10, 11 and 12 respectively, where the time domain symbol lengths of N sTTIs are 2, 2, 3, 2, 3, 2, 2, 2, 2, 3 and 2 respectively.

[0133] Optionally, the subframe includes 14 symbols, and the 14 symbols are numbered 0 to 13. When N=6, the starting positions of N stti are set to symbols 0, 3, 5, 7, 9, and 11, or the starting positions of N stti are set to symbols 0, 2, 5, 7, 9, and 11, respectively.

[0134] Among them, the time domain symbol length of N stti is 2.

[0135] Optionally, the subframe contains 14 symbols, and the 14 symbols are numbered 0 to 13. When N=X, the X sTTI starting positions and the symbol lengths corresponding to the X sTTIs constitute a set S1. When N=Y, the Y sTTI starting positions and the symbol lengths corresponding to the Y sTTIs constitute a set S2, and X≤Y, then S1 is a subset of S2, where X and Y are positive integers.

[0136] Optionally, when N=10, N sTTIs are set in one of the following ways:

[0137] Set the starting positions of N sTTIs to symbols 0, 1, 3, 4, 5, 7, 8, 9, 11, and 12, and the time domain symbol lengths of N sTTIs to 3, 2, 2, 2, 2, 2, 2, 3, and 2, respectively;

[0138] The starting positions of N sTTIs are set to symbols 0, 1, 2, 3, 5, 7, 8, 9, 11 and 12 respectively, and the time domain symbol lengths of N sTTIs are 2, 2, 3, 2, 2, 2, 2, 3 and 2 respectively.

[0139] Optionally, when N=12, N sTTIs are set in one of the following ways:

[0140] Set the starting positions of N sTTIs to symbols 0, 1, 2, 3, 4, 5, 7, 8, 9, 10, 11, and 12, and the time domain symbol lengths of N sTTIs to 3, 2, 2, 2, 2, 2, 2, 2, 2, 3, and 2, respectively;

[0141] The starting positions of N sTTIs are set to symbols 0, 1, 3, 4, 5, 7, 8, 9, 11 and 12 respectively, and the time domain symbol lengths of N sTTIs are 2, 2, 3, 2, 2, 2, 2, 2, 2, 3 and 2 respectively.

[0142] Optionally, the subframe includes 14 symbols, and the 14 symbols are numbered 0 to 13 respectively. The method further includes setting a pilot in the subframe in at least one of the following manners:

[0143] When N ≥ 6, and the time domain symbol lengths of the sTTIs whose starting positions are symbols 0, 3, 5, 7, 9, and 11 in the N sTTIs are 3, 2, 2, 2, 2, 3 respectively, it is set that the sTTIs whose starting positions are symbols 0, 1, 2, 11, 12, and 13 in the N sTTIs all include pilots;

[0144] When the time domain symbol lengths of the sTTIs whose starting positions are symbols 0, 2, 5, 7, 9 and 11 in N sTTIs are 2, 3, 2, 2, 2, 3 respectively, the sTTIs whose starting positions are symbols 0, 1, 11, 12, and 13 in N sTTIs are set to include pilots; wherein, for the sTTI whose time domain symbol length including the pilot is 3, the position of the pilot and the data is set according to one of the following formats: RDD, DDR; for the sTTI whose time domain symbol length is 2, the position of the pilot and the data is set according to one of the following formats: RD, DR;

[0145] Set the sTTIs with a time domain symbol length of 3 in N sTTIs to include pilots, wherein the positions of the pilots and data in the sTTIs including the pilots are set according to one of the following formats: RDD, DDR;

[0146] Set the sTTIs with a time domain symbol length of 2 in N sTTIs to include pilots, wherein the positions of the pilots and data in the sTTIs including the pilots are set according to one of the following formats: RD, DR;

[0147] For two adjacent sTTIs belonging to the same time slot whose time domain symbol lengths are both 2, a shared pilot is set, wherein the positions of the shared pilot and data are set for two adjacent sTTIs whose time domain symbol lengths are both 2 according to one of the following formats: DD and RD, or DD and DR;

[0148] Among them, R represents pilot and D represents data.

[0149] Optionally, the subframe contains 14 symbols, and the 14 symbols are numbered 0 to 13. When N>6, the starting positions of the 6 sTTIs in the N sTTIs are symbols 0, 3, 5, 7, 9 and 11, and the time domain symbol lengths of the 6 sTTIs are 3, 2, 2, 2, 2 and 3, respectively, or the starting positions of the 6 sTTIs are symbols 0, 2, 5, 7, 9 and 11, and the time domain symbol lengths of the 6 sTTIs are 2, 3, 2, 2, 2 and 3, respectively, when feedback is given to the xth sTTI other than the 6 sTTIs in the N sTTIs, the symbol corresponding to the end position of the xth sTTI is located in the yth sTTI among the 6 sTTIs, then the feedback timing of the xth sTTI is the same as the feedback timing relationship of the yth sTTI, where x and y are positive integers.

[0150] Optionally, a subframe includes 14 symbols, and the 14 symbols are numbered 0 to 13.

[0151] If the symbols corresponding to the starting position and the ending position of the i-th sTTI are both contained in the j-th sTTI, when feedback is given to the i-th sTTI and the j-th sTTI, 1 bit is set to provide feedback to the i-th sTTI or to the j-th sTTI, where i, j, and are both positive integers.

[0152] Optionally, if the symbols corresponding to the starting position and the ending position of the i-th sTTI are respectively contained in the k-th sTTI and the h-th sTTI, when feedback is given to the i-th sTTI, the k-th sTTI, and the h-th sTTI, 1 bit is set to provide feedback to the i-th sTTI, or one of the 2 bits is used to provide feedback to the k-th sTTI, and the other bit of the 2 bits is used to provide feedback to the h-th sTTI, where i, k, and h are all positive integers.

[0153] Optionally, if the symbol corresponding to the end position of the i-th sTTI and the symbol corresponding to the end position of the p-th sTTI are both included in the t-th sTTI, when feedback is performed on the i-th sTTI, the p-th sTTI, and the t-th sTTI, one of the 2 bits is set to provide feedback on the i-th sTTI, and the other bit of the 2 bits is used to provide feedback on the p-th sTTI, or 1 bit is set to provide feedback on the t-th sTTI, where i, p, and t are all positive integers.

[0154] Through the description of the above embodiments, those skilled in the art can clearly understand that the method according to the above embodiment can be implemented by means of software plus the necessary general hardware platform, and of course it can also be implemented by hardware, but in many cases the former is a better implementation method. Based on this understanding, the technical solution of the present invention is essentially or the part that contributes to the prior art can be embodied in the form of a software product, which is stored in a storage medium (such as ROM / RAM, magnetic disk, optical disk), and includes a number of instructions for enabling a terminal device (which can be a mobile phone, computer, server, or network device, etc.) to execute the methods described in each embodiment of the present invention.

[0155] Example 2

[0156] In this embodiment, a signal transmitting device is also provided, which is used to implement the above-mentioned embodiments and preferred embodiments. The details already described will not be repeated here. As used below, the term "module" can refer to a combination of software and / or hardware that implements a predetermined function. Although the devices described in the following embodiments are preferably implemented in software, implementation using hardware, or a combination of software and hardware, is also possible and contemplated.

[0157] Figure 2 is a structural block diagram of a signal sending device according to an embodiment of the present invention, such as Figure 2 As shown, the device includes:

[0158] The sending module 201 is used to send the signal in a subframe, where the subframe includes N short transmission time interval sTTI starting positions, where the subframe includes 14 symbols and the value of N is taken from the set {6, 7, 8, 9, 10, 11, 12, 13, 14}.

[0159] The above modules address the current lack of effective solutions for effectively reducing latency based on sTTIs, since a subframe contains N short transmission time intervals (STTIs) starting positions. A subframe contains 14 symbols, and the value of N is taken from the set {6, 7, 8, 9, 10, 11, 12, 13, 14}. This addresses the technical issue of effectively reducing latency based on sTTIs, meeting the requirements for high reliability and low latency, and achieving latency reduction.

[0160] Optionally, the subframe contains 14 symbols, and the 14 symbols are numbered from 0 to 13. The device also includes a setting module 203, which is used to set the time domain symbol length corresponding to the sTTI with a starting position of symbol n in the N sTTIs to 2 when N>6, where the value of n is taken from the set {1,3,12}.

[0161] Optionally, the subframe includes 14 symbols, and the 14 symbols are numbered 0 to 13, respectively. The apparatus further includes a setting module 203 for setting, when N>6, the time domain symbol length corresponding to the sTTI with a starting position of symbol n in the N sTTIs to 3, wherein the value of n is taken from the set {2, 4, 6, 8}. It should be noted that each of the above modules can be implemented by software or hardware. For the latter, it can be implemented in the following manner, but is not limited thereto: the above modules are all located in the same processor; or the above modules are located in different processors in any combination.

[0162] The above subframe sending method is described below through preferred embodiments 1-7, but is not intended to limit the protection scope of the embodiments of the present invention.

[0163] Preferred embodiment 1

[0164] During the SPS scheduling transmission process, the UE is configured with a period of 1 sTTI, then a certain continuous portion of time-frequency domain resources belongs to the same UE. In this block of resources, any symbol is used as the starting position of sTTI, which can meet the faster response requirements of receiving / transmitting data. In a 14-symbol subframe, the number of starting symbol positions (corresponding to the short transmission time interval sTTI starting position in the above embodiment) is N, where N is one or more values ​​and is a subset of the set {6, 7, 8, 9, 10, 11, 12, 13, 14}.

[0165] The symbols of the 14-symbol subframe are numbered from #0 to 13. When the number of transmission start symbol positions N>6, the 6 stti components are as follows: the symbols corresponding to the start positions of stti are symbols #0, #3, #5, #7, #9 and #11, and the lengths of the above 6 stti time domain symbols are 3, 2, 2, 2, 2 and 3 respectively. Figure 3A is a schematic diagram of a sTTI pattern according to an embodiment of the present invention (1), as shown Figure 3A As shown; or the symbols corresponding to the starting positions of the 6 sTTIs are symbols #0, #2, #5, #7, #9 and #11, and the lengths of the 6 sTTI time domain symbols are 2, 3, 2, 2, 2 and 3 respectively. Figure 3B is a schematic diagram of a sTTI pattern (II) according to an embodiment of the present invention, such as Figure 3B When N=6, the patterns of 6 sTTIs are represented by ■ and □. When N>6, the patterns of the other N-6 sTTIs are represented by ■ and express.

[0166] As an optional embodiment, when N>6, the symbols corresponding to the starting positions of the other N-6 sTTIs are one or more of symbols #1, #2, #3, #4, #6, #8, #10, #12 and #13.

[0167] As an optional embodiment, when the starting position is symbol #1, the sTTI starting at symbol #1 is composed of symbols #1 and #2. Figure 4A is a schematic diagram of a sTTI pattern according to an embodiment of the present invention (III), Figure 4B Schematic diagram of sTTI pattern according to an embodiment of the present invention (four). Figure 4A and 4B shown.

[0168] As an optional embodiment, when the starting position is symbol #2, #4, #6, and #8, the sTTI starting at symbol #2, #4, #6, and #8 consists of three consecutive symbols including the starting symbol. Figure 5A 5 is a schematic diagram of a sTTI pattern according to an embodiment of the present invention, Figure 5B 6 is a schematic diagram of a sTTI pattern according to an embodiment of the present invention. Figure 5A and 5B shown.

[0169] As an optional embodiment, when the starting position is symbol #3, the sTTI starting at symbol #3 is composed of symbols #3 and #4. Figure 6 sTTI pattern schematic diagram (VII) according to an embodiment of the present invention, as shown in FIG. Figure 6 shown.

[0170] As an optional embodiment, when the starting position is symbol #10, the sTTI starting at symbol #10 is composed of symbols #10 and #11. Figure 7A is a schematic diagram of a sTTI pattern (eight) according to an embodiment of the present invention, Figure 7B This is a schematic diagram of the sTTI pattern according to an embodiment of the present invention (9). Figure 7A is a schematic diagram of a sTTI pattern (eight) according to an embodiment of the present invention, Figure 7B is a schematic diagram of a sTTI pattern (IX) according to an embodiment of the present invention, as shown in FIG. Figure 7A and 7B shown.

[0171] As an optional embodiment, when the starting position is symbol #12, the sTTI starting at symbol #12 is composed of symbols #12 and #13. Figure 8A 10 is a schematic diagram of a sTTI pattern according to an embodiment of the present invention. Figure 8B 11 is a schematic diagram of a sTTI pattern according to an embodiment of the present invention, as shown in FIG. Figure 8A and 8B shown.

[0172] As an optional embodiment, when the starting position is symbol #13, the sTTI starting at symbol #13 consists of two consecutive symbols including the starting symbol. Figure 9A is a schematic diagram of a sTTI pattern (twelve) according to an embodiment of the present invention, Figure 9B is a schematic diagram of a sTTI pattern according to an embodiment of the present invention (thirteen), as shown in FIG. Figure 9A and 9B As shown, the sTTI starting from subframe n symbol #13 consists of subframe n symbol #13 and subframe n+1 symbol #0.

[0173] Preferred embodiment 2

[0174] In a 14-symbol subframe, the number of starting symbol positions is N, where N is one or more values ​​and is a subset of the set {6, 7, 8, 9, 10, 11, 12, 13, 14}. The symbols of the 14-symbol subframe are numbered from #0 to 13. When the number of starting symbol positions N>6, the 6 stti components are as follows: the stti starting symbols are #0, #3, #5, #7, #9 and #11, and the lengths of the 6 stti time domain symbols are 3, 2, 2, 2, 2 and 3 respectively. Figure 3A As shown; or the 6 sTTI starting symbols are #0, #2, #5, #7, #9 and #11, and the 6 sTTI time domain symbol lengths are 2, 3, 2, 2, 2 and 3 respectively, as shown Figure 3B When N=6, the patterns of 6 sTTIs are represented by ■ and □. When N>6, the patterns of the other N-6 sTTIs are represented by ■, and Indicates that It represents the common part of the two sTTIs in N-6 sTTIs (which can be understood as the overlapping symbols in the two sTTIs).

[0175] According to the number of starting positions N, this embodiment provides the following sTTI patterns, where 7≤N≤14.

[0176] Case 1: The starting position number is 7

[0177] Solution 1: The sTTI starting symbols are #0, #1, #3, #5, #7, #9 and #11, and the corresponding sTTI time domain symbol lengths are 3, 2, 2, 2, 2, 2 and 3 respectively. Figure 10A is a schematic diagram of a sTTI pattern according to an embodiment of the present invention (fourteen), as shown in FIG. Figure 10A As shown in the picture above;

[0178] Solution 2: The sTTI starting symbols are #0, #3, #5, #7, #9, #11 and #12, and the corresponding sTTI time domain symbol lengths are 3, 2, 2, 2, 2, 3 and 2, respectively. Figure 10A As shown in the figure below;

[0179] Solution 3: The sTTI starting symbols are #0, #2, #3, #5, #7, #9 and #11, and the corresponding sTTI time domain symbol lengths are 2, 3, 2, 2, 2, 2 and 3 respectively. Figure 10B is a schematic diagram of a sTTI pattern according to an embodiment of the present invention (fifteen), as shown in FIG. Figure 10B As shown in the picture above;

[0180] Solution 4: The sTTI starting symbols are #0, #2, #5, #7, #9, #11 and #12, and the corresponding sTTI time domain symbol lengths are 2, 3, 2, 2, 2, 3 and 2, respectively. Figure 10B As shown in the figure below.

[0181] The four schemes described above can be represented in tabular form. For example, Table 1 shows a tabular representation of the scheme with a starting position of 7. The columns corresponding to schemes 1 through 4 in the table are numbered, indicating that the symbol serves as the starting position of the stti, and the number represents the length of the stti at that starting position. Blank spaces indicate that the symbol does not serve as the starting position of the stti. The following schemes 2 through 8 use the same tabular representation.

[0182]

[0183] Table 1

[0184] Case 2: The starting position number is 8

[0185] Solution 1: The sTTI starting symbols are #0, #1, #3, #5, #7, #9, #11 and #12, and the corresponding sTTI time domain symbol lengths are 3, 2, 2, 2, 2, 2, 3 and 2 respectively. Figure 11A is a schematic diagram of a sTTI pattern according to an embodiment of the present invention (XVI), as shown in FIG. Figure 11A As shown;

[0186] Solution 2: The sTTI starting symbols are #0, #2, #3, #5, #7, #9, #11 and #12, and the corresponding sTTI time domain symbol lengths are 2, 3, 2, 2, 2, 2, 3 and 2 respectively. Figure 11B is a schematic diagram of a sTTI pattern according to an embodiment of the present invention (seventeen), as shown in FIG. Figure 11B shown.

[0187] The above two schemes can be expressed in tabular form, as shown in Table 2, which describes the scheme with a starting position number of 8 in tabular form.

[0188]

[0189] Table 2

[0190] Case 3: The starting position number is 9

[0191] Solution 1: The sTTI starting symbols are #0, #1, #2, #3, #5, #7, #9, #11 and #12, and the corresponding sTTI time domain symbol lengths are 3, 2, 3, 2, 2, 2, 2, 3 and 2 respectively. Figure 12A is a schematic diagram of a sTTI pattern according to an embodiment of the present invention (XVIII), as shown in FIG. Figure 12A As shown; Figure 12A Symbols #1 and #2 form one sTTI, symbols #2, #3 and #4 form one sTTI, symbol #2 is the common part of these two sTTIs, and It means that in this case, the two sTTIs starting with symbols #1 and #2 do not coexist.

[0192] Solution 2: The sTTI starting symbols are #0, #2, #3, #5, #7, #8, #9, #11 and #12, and the corresponding sTTI time domain symbol lengths are 2, 3, 2, 2, 2, 3, 2, 3 and 2 respectively. Figure 12B is a schematic diagram of a sTTI pattern according to an embodiment of the present invention (nineteen), as shown Figure 12B shown.

[0193] The above two schemes can be expressed in tabular form, as shown in Table 3, which describes the scheme with the starting position number of 9 in tabular form.

[0194]

[0195] Table 3

[0196] Case 4: The starting position number is 10

[0197] Solution 1: The sTTI starting symbols are #0, #1, #3, #4, #5, #7, #8, #9, #11 and #12, and the corresponding sTTI time domain symbol lengths are 3, 2, 2, 3, 2, 2, 3, 2, 3 and 2 respectively. Figure 13A 2 is a schematic diagram of a sTTI pattern according to an embodiment of the present invention (twenty), as shown in FIG. Figure 13A As shown;

[0198] Solution 2: The sTTI starting symbols are #0, #1, #2, #3, #5, #7, #8, #9, #11 and #12, and the corresponding sTTI time domain symbol lengths are 2, 2, 3, 2, 2, 2, 3, 2, 3 and 2 respectively. Figure 13B 21 is a schematic diagram of a sTTI pattern according to an embodiment of the present invention, as shown in FIG. Figure 13B shown.

[0199] The above two schemes can be expressed in tabular form, as shown in Table 4, which describes the scheme with the starting position number of 10 in tabular form.

[0200]

[0201] Table 4

[0202] Case 5: The starting position number is 11

[0203] Solution 1: The sTTI starting symbols are #0, #1, #2, #3, #4, #5, #7, #8, #9, #11, and #12, and the corresponding sTTI time domain symbol lengths are 3, 2, 2, 2, 3, 2, 2, 3, 2, 3, and 2, respectively. Figure 14A 22 is a schematic diagram of a sTTI pattern according to an embodiment of the present invention, as shown in FIG. Figure 14A As shown;

[0204] Solution 2: The sTTI starting symbols are #0, #1, #2, #3, #5, #7, #8, #9, #10, #11 and #12, and the corresponding sTTI time domain symbol lengths are 2, 2, 3, 2, 2, 2, 2, 2, 2, 3 and 2 respectively. Figure 14B 23 is a schematic diagram of a sTTI pattern according to an embodiment of the present invention, as shown in FIG. Figure 14B shown.

[0205] The above two schemes can be expressed in tabular form, as shown in Table 5, which describes the scheme with the starting position number of 11 in tabular form.

[0206]

[0207] Table 5

[0208] Case 6: The starting position number is 12

[0209] Solution 1: The sTTI starting symbols are #0, #1, #2, #3, #4, #5, #7, #8, #9, #10, #11 and #12, and the corresponding sTTI time domain symbol lengths are 3, 2, 2, 2, 3, 2, 2, 2, 2, 3 and 2 respectively. Figure 15A 24 is a schematic diagram of a sTTI pattern according to an embodiment of the present invention, as shown in FIG. Figure 15A As shown;

[0210] Solution 2: The sTTI starting symbols are #0, #1, #2, #3, #4, #5, #7, #8, #9, #10, #11 and #12, and the corresponding sTTI time domain symbol lengths are 2, 2, 3, 2, 3, 2, 2, 2, 2, 2, 3 and 2 respectively. Figure 15B 25 is a schematic diagram of a sTTI pattern according to an embodiment of the present invention, as shown in FIG. Figure 15B shown.

[0211] The above two schemes can be expressed in tabular form, as shown in Table 6, which describes the scheme with a starting position number of 12 in tabular form.

[0212]

[0213] Table 6

[0214] Case 7: The starting position number is 13

[0215] Solution 1: The sTTI starting symbols are #0, #1, #2, #3, #4, #5, #6, #7, #8, #9, #10, #11 and #12, and the corresponding sTTI time domain symbol lengths are 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3 and 2 respectively. Figure 16A 26 is a schematic diagram of a sTTI pattern according to an embodiment of the present invention, as shown in FIG. Figure 16A As shown;

[0216] Solution 2: The sTTI starting symbols are #0, #1, #2, #3, #4, #5, #6, #7, #8, #9, #10, #11 and #12, and the corresponding sTTI time domain symbol lengths are 2, 2, 3, 2, 2, 2, 2, 2, 2, 2, 3 and 2 respectively. Figure 16B 27 is a schematic diagram of a sTTI pattern according to an embodiment of the present invention, as shown in FIG. Figure 16B shown.

[0217] The above two schemes can be expressed in tabular form, as shown in Table 7, which describes the scheme with the starting position number of 13 in tabular form.

[0218]

[0219] Table 7

[0220] Case 8: The starting position number is 14

[0221] Solution 1: The sTTI starting symbols are #0, #1, #2, #3, #4, #5, #6, #7, #8, #9, #10, #11, #12 and #13, and the corresponding sTTI time domain symbol lengths are 3, 2, 2, 2, 2, 2, 2, 3, 2, 2, 3, 2, 2 and 2 respectively. Figure 17A is a schematic diagram of a sTTI pattern according to an embodiment of the present invention (Twenty-eight), as shown in FIG. Figure 17A As shown;

[0222] Solution 2: The sTTI starting symbols are #0, #1, #2, #3, #4, #5, #6, #7, #8, #9, #10, #11, #12 and #13, and the corresponding sTTI time domain symbol lengths are 2, 2, 3, 2, 2, 2, 2, 2, 2, 2, 3, 2 and 2 respectively. Figure 17B 29 is a schematic diagram of a sTTI pattern according to an embodiment of the present invention, as shown in FIG. Figure 17B shown.

[0223] The above two schemes can be expressed in tabular form, as shown in Table 8, which describes the scheme with a starting position number of 14 in tabular form.

[0224]

[0225] Table 8

[0226] Preferred embodiment 3

[0227] In a 14-symbol subframe, the number of transmission start symbol positions is N, where N is one or more values ​​and is a subset of the set {6, 7, 8, 9, 10, 11, 12, 13, 14}.

[0228] When the sTTI time domain symbol length is 3, the sTTI time domain symbol length can be reduced to 2 symbols, and feedback can be performed in advance, thereby achieving the effect of reducing latency. The symbols of the 14-symbol subframe are numbered #0 to 13. When the number of transmission start symbol positions N = 6, the sTTI start symbols are #0, #3, #5, #7, #9 and #11 respectively, or the sTTI start symbols are #0, #2, #5, #7, #9 and #11 respectively, and the sTTI time domain symbol length is 2.

[0229] Preferred embodiment 4

[0230] In a 14-symbol subframe, the number of transmission start symbol positions is N, where N is one or more values ​​and is a subset of the set {6, 7, 8, 9, 10, 11, 12, 13, 14}.

[0231] In this preferred embodiment, preferred embodiments 1 and 2 can be combined with preferred embodiment 3, as follows:

[0232] The symbols of the 14-symbol subframe are numbered from #0 to 13. When the number of transmission start symbol positions N in a subframe is ≥ 6, the composition of the 6 sTTIs is as follows: the sTTI start symbols are #0, #3, #5, #7, #9, and #11, or the sTTI start symbols are #0, #2, #5, #7, #9, and #11, and the sTTI time domain symbol length is 2, that is, the scheme of preferred embodiment 3 is adopted; the composition principle of the remaining N-6 sTTIs adopts the scheme of preferred embodiment 1 or preferred embodiment 2 accordingly.

[0233] Preferred embodiment 5

[0234] In a 14-symbol subframe, the number of transmission start symbol positions is N, where N has one or more values and is a subset of the set {6, 7, 8, 9, 10, 11, 12, 13, 14}. The symbols of the 14-symbol subframe are numbered #0 to #13. When the number of transmission start symbol positions N≥6, 6 sTTIs are composed of: the sTTI start symbols are #0, #3, #5, #7, #9, and #11 respectively, and the sTTI time-domain symbol lengths are 3, 2, 2, 2, 2, and 3 respectively, as Figure 3A shown; or the sTTI start symbols are #0, #2, #5, #7, #9, and #11 respectively, and the sTTI time-domain symbol lengths are 2, 3, 2, 2, 2, and 3 respectively, as Figure 3B shown. When N = 6, the patterns of the 6 sTTIs are represented by ■ and □. When N>6, the patterns of the remaining N - 6 sTTIs are represented by ■, and where represents the common part of the two new sTTIs before and after (which can be understood as the overlapping symbols of the two sTTIs before and after among the N - 6 sTTIs).

[0235] From the perspective of facilitating the configuration of UEs for multiple purposes, a UE for one purpose can be configured with the number of start symbol positions as X, and a UE for another purpose can be configured with the number of start symbol positions as Y, where X < Y. When the X sTTI start positions and the corresponding symbol lengths form a set S1, and the Y sTTI start positions and the corresponding symbol lengths form a set S2. Based on this consideration, when N>6, the time-domain symbol lengths of the remaining N - 6 sTTIs are all taken as 2.

[0236] Based on the above considerations, some of the solutions in the preferred Example 2 are designed as follows:

[0237] Case 1: The number of start positions is 9

[0238] Solution 1: The sTTI start symbols are #0, #1, #2, #3, #5, #7, #9, #11, and #12 respectively, and the corresponding sTTI time-domain symbol lengths are 3, 2, 2, 2, 2, 2, 2, 3, and 2 respectively, Figure 18A which is the schematic diagram of the sTTI pattern (thirty) according to the embodiment of the present invention, as Figure 18A shown;

[0239] Solution 2: The sTTI start symbols are #0, #2, #3, #5, #7, #8, #9, #11, and #12 respectively, and the corresponding sTTI time-domain symbol lengths are 2, 3, 2, 2, 2, 2, 2, 3, and 2 respectively, Figure 18B which is the schematic diagram of the sTTI pattern (thirty-one) according to the embodiment of the present invention, as Figure 18B shown.

[0240] The above two schemes can be expressed in tabular form, as shown in Table 9, which describes the scheme with the starting position number of 9 in tabular form.

[0241]

[0242] Table 9

[0243] Case 2: The starting position number is 10

[0244] Solution 1: The sTTI starting symbols are #0, #1, #3, #4, #5, #7, #8, #9, #11 and #12, and the corresponding sTTI time domain symbol lengths are 3, 2, 2, 2, 2, 2, 2, 2, 3 and 2 respectively. Figure 19A is a schematic diagram of a sTTI pattern according to an embodiment of the present invention (thirty-two), as shown Figure 19A As shown;

[0245] Solution 2: The sTTI starting symbols are #0, #1, #2, #3, #5, #7, #8, #9, #11 and #12, and the corresponding sTTI time domain symbol lengths are 2, 2, 3, 2, 2, 2, 2, 2, 3 and 2 respectively. Figure 19B 33 is a schematic diagram of a sTTI pattern according to an embodiment of the present invention, as shown in FIG. Figure 19B shown.

[0246] The above two schemes can be expressed in tabular form, as shown in Table 10, which describes the scheme with a starting position number of 10 in tabular form.

[0247]

[0248] Table 10

[0249] Case 3: The starting position number is 11

[0250] Solution 1: The sTTI starting symbols are #0, #1, #2, #3, #4, #5, #7, #8, #9, #11 and #12, and the corresponding sTTI time domain symbol lengths are 3, 2, 2, 2, 2, 2, 2, 2, 2, 3 and 2 respectively. Figure 20 34 is a schematic diagram of a sTTI pattern according to an embodiment of the present invention, as shown in FIG. Figure 20 As shown;

[0251] The above schemes can be expressed in tabular form, such as the tabular form of the scheme with the starting position number of 11 shown in Table 11.

[0252]

[0253] Table 11

[0254] Case 4: The starting position number is 12

[0255] Solution 1: The sTTI starting symbols are #0, #1, #2, #3, #4, #5, #7, #8, #9, #10, #11 and #12, and the corresponding sTTI time domain symbol lengths are 3, 2, 2, 2, 2, 2, 2, 2, 2, 3 and 2 respectively. Figure 21A is a schematic diagram of a sTTI pattern according to an embodiment of the present invention (thirty-fifth), as shown in FIG. Figure 21A As shown;

[0256] Solution 2: The sTTI starting symbols are #0, #1, #2, #3, #4, #5, #7, #8, #9, #10, #11 and #12, and the corresponding sTTI time domain symbol lengths are 2, 2, 3, 2, 2, 2, 2, 2, 2, 3 and 2 respectively. Figure 21B is a schematic diagram of a sTTI pattern according to an embodiment of the present invention (thirty-six), as shown in FIG. Figure 21B shown.

[0257] The above two schemes can be expressed in tabular form, as shown in Table 12, which describes the scheme with a starting position number of 12 in tabular form.

[0258]

[0259] Table 12

[0260] Preferred embodiment 6

[0261] In a 14-symbol subframe, the number of transmission start symbol positions is N, where N is one or more values ​​and is a subset of the set {6, 7, 8, 9, 10, 11, 12, 13, 14}.

[0262] There is no pilot sharing between subframes, so the first sTTI and the last sTTI of each subframe need to have pilots to ensure that decoding is not affected; when the sTTI time domain symbol length is 3, a pilot is required within the sTTI to achieve self-decoding; for other cases, pilot sharing can be done within the time slot to save resource overhead.

[0263] The symbols of the 14-symbol subframe are numbered from #0 to 13. When the number of starting symbol positions N≥6, the 6 stti components are as follows: the stti start symbols are #0, #3, #5, #7, #9 and #11, and the stti time domain symbol lengths are 3, 2, 2, 2, 2 and 3, respectively. Figure 3AAs shown, in this case, the sTTI start symbols are #0, #1 and #2, which are regarded as the first sTTI of the subframe, and the sTTI start symbols are #11, #12 and #13, which are regarded as the last sTTI of the subframe; or the sTTI start symbols are #0, #2, #5, #7, #9 and #11, and the sTTI time domain symbol lengths are 2, 3, 2, 2, 2 and 3, respectively. Figure 3B As shown, in this case, the sTTI starting symbols are #0 and #1, which are regarded as the first sTTI of the subframe, and the sTTI starting symbols are #11, #12 and #13, which are regarded as the last sTTI of the subframe.

[0264] The first sTTI and the last sTTI of the subframe need to set the pilot. When the sTTI time domain symbol length is 2, the position relationship between the pilot and the data can be set to RD or DR; when the time domain symbol length is 3, the position relationship between the pilot and the data can be set to RDD or DDR. The sTTI with a time domain symbol length of 3 can achieve self-decoding, and the position relationship between the pilot and the data can be set to RDD or DDR. For the sTTI with a time domain symbol length of 2, without considering pilot sharing, the position relationship between the pilot and the data can be set to RD or DR. When a 2-symbol sTTI and the subsequent 2-symbol sTTI are in the same slot and these two sTTIs do not belong to the first sTTI of the subframe, the pilot can be shared for these two sTTIs, and the position relationship between the pilot and the data of these two consecutive 2-symbol sTTIs can be set to DD and RD, or to DD and DR. R represents the pilot. D represents the data.

[0265] Preferred embodiment 7

[0266] In a 14-symbol subframe, the number of transmission start symbol positions is N, where N is one or more values ​​and is a subset of the set {6, 7, 8, 9, 10, 11, 12, 13, 14}. This embodiment mainly describes the downlink DL service feedback timing.

[0267] The symbols of the 14-symbol subframe are numbered from #0 to 13. When the number of transmission start symbol positions N≥6, the 6 stti components are as follows: the stti start symbols are #0, #3, #5, #7, #9 and #11, and the stti time domain symbol lengths are 3, 2, 2, 2, 2 and 3, respectively. Figure 3A As shown; or the sTTI starting symbols are #0, #2, #5, #7, #9 and #11, and the sTTI time domain symbol lengths are 2, 3, 2, 2, 2 and 3 respectively, as shown Figure 3BAs shown; when the xth sTTI in the remaining N-6 sTTIs is fed back, the symbol corresponding to the end position of the xth sTTI is located in the yth sTTI in the aforementioned 6 sTTIs, then the feedback timing of the xth sTTI is the same as the feedback timing of the yth sTTI. When N=6, the patterns of the 6 sTTIs are represented by ■ and □. When N>6, the patterns of the remaining N-6 sTTIs are represented by ■, and Indicates that It represents the shared part of the two new sTTIs (which can be understood as the overlapping symbols of the two sTTIs in N-6 sTTIs).

[0268] The feedback channel can be sPUCCH, and it can also be PUCCH. When N = 6, if the feedback channel is sPUCCH, each sTTI data corresponds to one sTTI feedback channel, and the feedback overhead is 1 bit. If the feedback channel is PUCCH, each slot needs to provide feedback for 3 sTTI data, and the data feedback overhead for each sTTI is 1 bit, and the total feedback overhead for 1 slot is 3 bits. The following feedback timing diagram example uses the n+6 timing relationship as an example. In each group, the feedback channel in Figure (a) is sPUCCH, and the feedback channel in Figure (b) is PUCCH.

[0269] Case 1: The start and end symbols of one sTTI are both within another sTTI, and the two sTTIs do not coexist. In one transmission, for the same UE, only one of the two sTTIs exists, and only one bit is needed to feedback one of the sTTIs in the non-coexistence relationship. As in the preferred embodiment 2, for the four schemes when N=7, this non-coexistence situation exists. In scheme 1, the sTTI composed of #0, #1 and #3 does not coexist with the sTTI composed of #2 and #3. Taking the feedback timing of this scheme as an example, 1 bit of feedback is used to feedback one sTTI in the non-coexistence relationship. Figure 22 sTTI feedback timing diagram (1) according to an embodiment of the present invention, Figure 22 In the figure, corresponding to Figure (a), the sPUCCH feedback overhead is still 1 bit, and corresponding to Figure (b), the PUCCH feedback overhead is still 3 bits.

[0270] Case 2: The start and end symbols of one sTTI#a are respectively within the other two sTTI#b and #c. In the same transmission, for the same UE, sTTI#a does not coexist with sTTI#b and #c. It is only necessary to use 1 bit to feedback the sTTI#a in the non-coexistence relationship, or use 2 bits to feedback the sTTI#b and #c. For example, one bit of the 2 bits is used to feedback #b, and the other bit of the above 2 bits is used to feedback #c. As in the solution 2 of the preferred embodiment 1, this non-coexistence situation exists. Figure 5A Taking the pattern of the sTTI starting position of the #2 symbol as an example, the sTTI composed of symbols #0, #1, and #2 and the sTTI composed of symbols #3 and #4 do not coexist with the sTTI composed of symbols #2, #3, and #4. In this case, 1 bit can be used to feedback the sTTI composed of #2, #3, and #4 in the non-coexistence relationship, or 2 bits can be used to feedback the other two non-coexisting sTTIs respectively. The 6 sTTIs in one sPUCCH subframe are numbered as sTTI#0~5. Figure 23 sTTI feedback timing diagram (II) according to an embodiment of the present invention, Figure 23 In the figure, corresponding to (a), 1 bit can be used in sTTI#1 in sPUCCH subframe m+1 to feedback the sTTI consisting of #2, #3, and #4, or 1 bit can be used in sTTI#0 and #1 in sPUCCH subframe m+1 to feedback the sTTI consisting of symbols #0, #1, and #2 and the sTTI consisting of symbols #3 and #4 in sPDSCH subframe m.

[0271] Case 3: The end symbols of both sTTI#a and #b are in sTTI#c. In the same transmission, for the same UE, sTTI#a and #b do not coexist with sTTI#c. At most, 2 bits are needed to simultaneously feedback sTTI#a and #b in the non-coexistence relationship. For example, one bit of the 2 bits is used to feedback #a, and at the same time, the other bit of the above 2 bits is used to feedback #b, or 1 bit is used to feedback sTTI#c. Figure 14BFor example, the symbols #11, #12 and #13 of subframe n form a sTTI, and #11 and #13 are the end symbols of the other two sTTIs. The sTTI composed of symbols #11, #12 and #13 does not coexist with the sTTI composed of symbols #10 and #11 and the sTTI composed of symbols #12 and #13. In this case, 1 bit can be used to feedback the sTTI composed of #11, #12 and #13, or 2 bits can be used at a time to feedback the sTTI composed of symbols #10 and #11 and the sTTI composed of symbols #12 and #13. The sTTIs in an sPUCCH are numbered sTTI#0~5. Figure 24 sTTI feedback timing diagram (III) according to an embodiment of the present invention, Figure 24 In the figure, corresponding to Figure (a), 2 bits can be used in sTTI#5 of sPUCCH subframe m+1 to simultaneously feedback the sTTI composed of symbols #10 and #11 and the sTTI composed of symbols #12 and #13, or 1 bit can be used to feedback the sTTI composed of #11, #12, and #13; corresponding to Figure (b), this set of non-coexistence relationships has the same feedback relationship.

[0272] An embodiment of the present invention further provides a storage medium storing a computer program, wherein the computer program is configured to execute the steps of any of the above method embodiments when running.

[0273] Optionally, in this embodiment, the storage medium may be configured to store a computer program for performing the following steps:

[0274] S1, sends a signal in a subframe, which contains N short transmission time interval sTTI starting positions, where the subframe contains 14 symbols and the value of N is taken from the set {6, 7, 8, 9, 10, 11, 12, 13, 14}.

[0275] Optionally, in this embodiment, the above-mentioned storage medium may include but is not limited to: a USB flash drive, a read-only memory (ROM), a random access memory (RAM), a mobile hard disk, a magnetic disk or an optical disk, and other media that can store computer programs.

[0276] An embodiment of the present invention further provides an electronic device, comprising a memory and a processor, wherein the memory stores a computer program, and the processor is configured to run the computer program to execute the steps in any one of the above method embodiments.

[0277] Optionally, the electronic device may further include a transmission device and an input / output device, wherein the transmission device is connected to the processor, and the input / output device is connected to the processor.

[0278] Optionally, in this embodiment, the processor may be configured to execute the following steps through a computer program:

[0279] S1, sends a signal in a subframe, which contains N short transmission time interval sTTI starting positions, where the subframe contains 14 symbols and the value of N is taken from the set {6, 7, 8, 9, 10, 11, 12, 13, 14}.

[0280] Optionally, specific examples in this embodiment may refer to the examples described in the above embodiments and optional implementation modes, and this embodiment will not be described in detail here.

[0281] Obviously, those skilled in the art will appreciate that the various modules or steps of the present invention described above can be implemented using a general-purpose computing device, centralized on a single computing device, or distributed across a network of multiple computing devices. Alternatively, they can be implemented using program code executable by a computing device, which can then be stored in a storage device and executed by the computing device. In some cases, the steps shown or described can be performed in a different order than that shown, or can be fabricated as separate integrated circuit modules, or multiple modules or steps can be fabricated as a single integrated circuit module. Thus, the present invention is not limited to any particular combination of hardware and software.

[0282] The foregoing description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Those skilled in the art will readily appreciate that various modifications and variations of the present invention are possible. Any modifications, equivalent substitutions, or improvements made within the principles of the present invention are intended to be within the scope of protection of the present invention.

Claims

1. A method for sending a signal, characterized in that: include: The signal is sent in a subframe, wherein the subframe includes N short transmission time interval sTTI starting positions, wherein the subframe includes 14 symbols, and the value of N is taken from the set {6, 7, 8, 9, 10, 11, 12, 13, 14}, wherein, The method also includes: the 14 symbols are numbered 0 to 13 respectively, when N>6, the starting positions of 6 sTTIs in the N sTTIs are symbols 0, 3, 5, 7, 9 and 11 respectively, and the time domain symbol lengths of the 6 sTTIs are 3, 2, 2, 2, 2 and 3 respectively, or the starting positions of the 6 sTTIs are symbols 0, 2, 5, 7, 9 and 11 respectively, and the time domain symbol lengths of the 6 sTTIs are 2, 3, 2, 2, 2 and 3 respectively, when the xth sTTI other than the 6 sTTIs in the N sTTIs is fed back, the symbol corresponding to the end position of the xth sTTI is located in the yth sTTI among the 6 sTTIs, then the feedback timing of the xth sTTI is the same as the feedback timing relationship of the yth sTTI, wherein x and y are positive integers, wherein, The method also includes: if the symbols corresponding to the starting position and the ending position of the ith sTTI are respectively contained in the kth sTTI and the hth sTTI, when feedback is given to the ith sTTI, the kth sTTI and the hth sTTI, 1 bit is set to give feedback to the ith sTTI, or one of the 2 bits is used to give feedback to the kth sTTI, and the other bit of the 2 bits is used to give feedback to the hth sTTI, wherein i, k and h are all positive integers.

2. The method according to claim 1, wherein: The method also includes: the 14 symbols are numbered 0 to 13 respectively, and when N>6, the time domain symbol length corresponding to the sTTI with a starting position of symbol n in the N sTTIs is set to 2, wherein the value of n is taken from the set {1,3,12}.

3. The method according to claim 1, wherein: The method also includes: the 14 symbols are numbered 0 to 13 respectively, and when N>6, the time domain symbol length corresponding to the sTTI with a starting position of symbol n in the N sTTIs is set to 3, wherein the value of n is taken from the set {2, 4, 6, 8}.

4. The method according to claim 1, wherein: The method further includes: the 14 symbols are numbered 0 to 13 respectively, when N ≥ 8, The starting positions of 6 sTTIs among the N sTTIs are symbols 0, 3, 5, 7, 9 and 11, respectively, and the time domain symbol lengths of the 6 sTTIs are 3, 2, 2, 2, 2 and 3, respectively; When two sTTIs whose starting positions are respectively symbol 2 and symbol 4 are adjacent, the time domain symbol length of the sTTI whose starting position is symbol 2 is set to 2; When two sTTIs whose starting positions are respectively symbol 4 and symbol 6 are adjacent, the time domain symbol length of the sTTI whose starting position is symbol 4 is set to 2; When two sTTIs whose starting positions are symbol 6 and symbol 8 respectively are adjacent, the time domain symbol length of the sTTI whose starting position is symbol 6 is set to 2.

5. The method according to claim 1, wherein: The method further includes: the 14 symbols are numbered 0 to 13 respectively, when N ≥ 8, The starting positions of 6 sTTIs among the N sTTIs are symbols 0, 2, 5, 7, 9 and 11, respectively, and the time domain symbol lengths of the 6 sTTIs are 2, 3, 2, 2, 2 and 3, respectively; When two sTTIs whose starting positions are respectively symbol 4 and symbol 6 are adjacent, the time domain symbol length of the sTTI whose starting position is symbol 4 is set to 2; When two sTTIs whose starting positions are symbol 6 and symbol 8 are adjacent, the time domain symbol length of the sTTI whose starting position is symbol 6 is set to 2.

6. The method according to claim 1, wherein: The method further includes: the 14 symbols are numbered 0 to 13 respectively, and when N=7, the N sTTIs are set in one of the following ways: Set the starting positions of the N sTTIs to symbols 0, 1, 3, 5, 7, 9, and 11, respectively, and the time domain symbol lengths of the N sTTIs to 3, 2, 2, 2, 2, 2, and 3, respectively; Set the starting positions of the N sTTIs to symbols 0, 3, 5, 7, 9, 11, and 12, respectively, and the time domain symbol lengths of the N sTTIs to be 3, 2, 2, 2, 2, 3, and 2, respectively; Set the starting positions of the N sTTIs to symbols 0, 2, 3, 5, 7, 9, and 11, respectively, and the time domain symbol lengths of the N sTTIs to 2, 3, 2, 2, 2, 2, and 3, respectively; The starting positions of the N sTTIs are set to symbols 0, 2, 5, 7, 9, 11, and 12 respectively, and the time domain symbol lengths of the N sTTIs are 2, 3, 2, 2, 2, 2, and 3 respectively.

7. The method according to claim 1, wherein: The method further includes: the 14 symbols are numbered 0 to 13 respectively, and when N=8, the N sTTIs are set in one of the following ways: Set the starting positions of the N sTTIs to symbols 0, 1, 3, 5, 7, 9, 11, and 12, respectively, and the time domain symbol lengths of the N sTTIs to 3, 2, 2, 2, 2, 2, 3, and 2, respectively; The starting positions of the N sTTIs are set to symbols 0, 2, 3, 5, 7, 9, 11, and 12 respectively, and the time domain symbol lengths of the N sTTIs are 2, 3, 2, 2, 2, 2, 3, and 2 respectively.

8. The method according to claim 1, wherein: The method further includes: the 14 symbols are numbered 0 to 13 respectively, and when N=10, the N sTTIs are set in one of the following ways: Set the starting positions of the N sTTIs to symbols 0, 1, 3, 4, 5, 7, 8, 9, 11, and 12, respectively, wherein the time domain symbol lengths of the N sTTIs are 3, 2, 2, 3, 2, 2, 3, 2, 3, and 2, respectively; The starting positions of the N sTTIs are set to symbols 0, 1, 2, 3, 5, 7, 8, 9, 11 and 12 respectively, wherein the time domain symbol lengths of the N sTTIs are 2, 2, 3, 2, 2, 2, 3, 2, 3 and 2 respectively.

9. The method according to claim 1, wherein: The method further includes: the 14 symbols are numbered 0 to 13 respectively, and when N=12, the N sTTIs are set in one of the following ways: Set the starting positions of the N sTTIs to symbols 0, 1, 2, 3, 4, 5, 7, 8, 9, 10, 11, and 12, respectively, wherein the time domain symbol lengths of the N sTTIs are 3, 2, 2, 2, 3, 2, 2, 2, 2, 3, and 2, respectively; The starting positions of the N sTTIs are set to symbols 0, 1, 2, 3, 4, 5, 7, 8, 9, 10, 11 and 12 respectively, wherein the time domain symbol lengths of the N sTTIs are 2, 2, 3, 2, 3, 2, 2, 2, 2, 3 and 2 respectively.

10. The method according to claim 1, wherein: The method further includes: the 14 symbols are numbered 0 to 13 respectively, and when N=6, the starting positions of the N sTTIs are set to symbols 0, 3, 5, 7, 9 and 11 respectively, or the starting positions of the N sTTIs are set to symbols 0, 2, 5, 7, 9 and 11 respectively, Among them, the time domain symbol lengths of the N sTTIs are all 2.

11. The method according to claim 1, wherein: The method also includes: the 14 symbols are numbered 0 to 13 respectively, when N=X, the X sTTI starting positions and the symbol lengths corresponding to the X sTTIs constitute a set S1, when N=Y, the Y sTTI starting positions and the symbol lengths corresponding to the Y sTTIs constitute a set S2, and X≤Y, then S1 is a subset of S2, wherein X and Y are positive integers.

12. The method according to claim 11, wherein: The method further includes: when N=10, setting the N sTTIs in one of the following ways: Set the starting positions of the N sTTIs to symbols 0, 1, 3, 4, 5, 7, 8, 9, 11, and 12, respectively, and the time domain symbol lengths of the N sTTIs to 3, 2, 2, 2, 2, 2, 2, 2, 3, and 2, respectively; The starting positions of the N sTTIs are set to symbols 0, 1, 2, 3, 5, 7, 8, 9, 11 and 12 respectively, and the time domain symbol lengths of the N sTTIs are 2, 2, 3, 2, 2, 2, 2, 2, 3 and 2 respectively.

13. The method according to claim 11, wherein: The method further includes: when N=12, setting the N sTTIs in one of the following ways: Set the starting positions of the N sTTIs to symbols 0, 1, 2, 3, 4, 5, 7, 8, 9, 10, 11, and 12, respectively, and the time domain symbol lengths of the N sTTIs to 3, 2, 2, 2, 2, 2, 2, 2, 2, 3, and 2, respectively; The starting positions of the N sTTIs are set to symbols 0, 1, 3, 4, 5, 7, 8, 9, 11 and 12 respectively, and the time domain symbol lengths of the N sTTIs are 2, 2, 3, 2, 2, 2, 2, 2, 2, 3 and 2 respectively.

14. The method according to claim 1, wherein: The method further includes: the 14 symbols are numbered 0 to 13 respectively, and the method further includes setting a pilot in the subframe in at least one of the following ways: When N≥6, and the time domain symbol lengths of the sTTIs whose starting positions in the N sTTIs are symbols 0, 3, 5, 7, 9 and 11 are 3, 2, 2, 2, 2, 3 respectively, the sTTIs whose starting positions in the N sTTIs are symbols 0, 1, 2, 11, 12, 13 respectively, are set to include pilots; When the time domain symbol lengths of the sTTIs whose starting positions are symbols 0, 2, 5, 7, 9 and 11 in the N sTTIs are 2, 3, 2, 2, 2, 3 respectively, the sTTIs whose starting positions are symbols 0, 1, 11, 12, 13 in the N sTTIs are all set to include pilots; wherein, for the sTTI whose time domain symbol length including the pilot is 3, the position of the pilot and the data is set according to one of the following formats: RDD, DDR; for the sTTI whose time domain symbol length is 2, the position of the pilot and the data is set according to one of the following formats: RD, DR; It is set that all sTTIs with a time domain symbol length of 3 in the N sTTIs include pilots, wherein the positions of the pilots and data are set in the sTTIs including the pilots according to one of the following formats: RDD, DDR; It is set that all sTTIs with a time domain symbol length of 2 in the N sTTIs include pilots, wherein the positions of the pilots and data are set in the sTTIs including the pilots according to one of the following formats: RD, DR; For two adjacent sTTIs belonging to the same time slot and both having a time domain symbol length of 2, a shared pilot is set, wherein the positions of the shared pilot and the data are respectively set for the two adjacent sTTIs with both having a time domain symbol length of 2 according to one of the following formats: DD and RD, or DD and DR; Among them, R represents pilot and D represents data.

15. The method according to claim 1, wherein: The method also includes: if the symbols corresponding to the starting position and the ending position of the i-th sTTI are both contained in the j-th sTTI, when the i-th sTTI and the j-th sTTI are fed back, 1 bit is set to feed back the i-th sTTI or the j-th sTTI, where i, j, are both positive integers.

16. The method according to claim 1, wherein: The method further comprises: If the symbol corresponding to the end position of the i-th sTTI and the symbol corresponding to the end position of the p-th sTTI are both included in the t-th sTTI, when feedback is given to the i-th sTTI, the p-th sTTI, and the t-th sTTI, one of the 2 bits is set to provide feedback to the i-th sTTI, and the other of the 2 bits is used to provide feedback to the p-th sTTI, or 1 bit is set to provide feedback to the t-th sTTI, where i, p, and t are all positive integers.

17. A signal sending device, characterized in that: include: A sending module, configured to send the signal in a subframe, wherein the subframe includes N short transmission time interval sTTI starting positions, wherein the subframe includes 14 symbols, and the value of N is taken from the set {6,7,8,9,10,11,12,13,14}, wherein, The 14 symbols are numbered 0 to 13 respectively. When N>6, the starting positions of 6 sTTIs in the N sTTIs are symbols 0, 3, 5, 7, 9 and 11 respectively, and the time domain symbol lengths of the 6 sTTIs are 3, 2, 2, 2, 2 and 3 respectively, or the starting positions of the 6 sTTIs are symbols 0, 2, 5, 7, 9 and 11 respectively, and the time domain symbol lengths of the 6 sTTIs are 2, 3, 2, 2, 2 and 3 respectively, when the xth sTTI other than the 6 sTTIs in the N sTTIs is fed back, the symbol corresponding to the end position of the xth sTTI is located in the yth sTTI among the 6 sTTIs, then the feedback timing of the xth sTTI is the same as the feedback timing relationship of the yth sTTI, wherein x and y are positive integers, wherein, If the symbols corresponding to the starting position and the ending position of the i-th sTTI are respectively contained in the k-th sTTI and the h-th sTTI, when feedback is given to the i-th sTTI, the k-th sTTI and the h-th sTTI, 1 bit is set to give feedback to the i-th sTTI, or one of the 2 bits is used to give feedback to the k-th sTTI, and the other bit of the 2 bits is used to give feedback to the h-th sTTI, where i, k and h are all positive integers.

18. The device according to claim 17, wherein: The 14 symbols are numbered 0 to 13 respectively, and the device also includes a setting module for setting the time domain symbol length corresponding to the sTTI with a starting position of symbol n in the N sTTIs to 2 when N>6, wherein the value of n is taken from the set {1,3,12}.

19. The device according to claim 17, wherein: The 14 symbols are numbered 0 to 13 respectively, and the device also includes a setting module for setting the time domain symbol length corresponding to the sTTI with a starting position of symbol n in the N sTTIs to 3 when N>6, wherein the value of n is taken from the set {2,4,6,8}.

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