Method, device and communication equipment for determining synchronization signal

Abstract

This disclosure provides a synchronization signal determination method, apparatus, and communication device, relating to the field of mobile communications technology. This solution involves: a UE receives a synchronization signal and synchronization signal grid indication information; based on the synchronization signal grid indication information, the UE determines the synchronization signal grid to which the synchronization signal currently corresponds. This allows the UE to determine the correct frequency range for transmitting the synchronization signal, resolving the synchronization grid confusion issue caused by frequency offset.

Description

Technical Field

[0001] The present disclosure relates to the field of mobile communication technology, and in particular to a method and apparatus for determining a synchronization signal, and a communication device. Background Art

[0002] The continuous emergence of new industries such as virtual reality (VR), augmented reality (AR), and vehicle-to-vehicle communications has put forward higher requirements for wireless communication technology, driving the continuous evolution of wireless communication technology to meet the needs of applications in various industries.

[0003] In wireless communication technology research, non-terrestrial network (NTN) communication systems, such as satellite communications, are considered a key aspect of future wireless communication technology development. Satellite communications refers to communications conducted by terrestrial radio communication equipment using satellites as relay nodes. Satellite communication systems consist of satellite and ground components. Satellite communications are characterized by a wide communication range, enabling communication between any two points within the coverage area of ​​the satellite's radio waves, high reliability, and low susceptibility to land-based disasters.

[0004] In remote areas without cellular network coverage, new industries are also experiencing strong demand, such as transportation (sea, road, rail, and aviation) and logistics, environmental monitoring, and mining. Narrowband IoT (NB-IoT) and enhanced Machine Type Communication (eMTC) are well-suited for these applications, but they require satellite connectivity to provide coverage.

[0005] In related technologies, satellite-based NB-IoT or eMTC networks generate significant Doppler shift due to the high-speed movement of satellites (especially low-orbit satellites). When the sum of the Doppler shift and the terminal's crystal oscillator frequency offset exceeds 1 / 2 of the synchronization signal grid, the synchronization signal grid on the user equipment (UE) side is blurred, preventing the UE from properly synchronizing. Summary of the Invention

[0006] In one aspect, an embodiment of the present disclosure provides a method for determining a synchronization signal, which is applicable to a UE. The method includes:

[0007] receiving synchronization signals and synchronization signal grid indication information;

[0008] According to the synchronization signal grid indication information, the synchronization signal grid currently corresponding to the synchronization signal is determined.

[0009] Another embodiment of the present disclosure provides a method for determining a synchronization signal, applicable to a network device, the method comprising:

[0010] Send synchronization signal grid indication information, wherein the synchronization signal grid indication information is used to indicate the synchronization signal grid currently corresponding to the synchronization signal.

[0011] Another embodiment of the present disclosure provides a synchronization signal determination device, applicable to a UE, comprising:

[0012] A receiving module configured to receive a synchronization signal and synchronization signal grid indication information;

[0013] The processing module is configured to determine the synchronization signal grid currently corresponding to the synchronization signal according to the synchronization signal grid indication information.

[0014] Another embodiment of the present disclosure provides a device for determining a synchronization signal, applicable to a network device, the device comprising:

[0015] The sending module is configured to send synchronization signal grid indication information, wherein the synchronization signal grid indication information is used to indicate the synchronization signal grid currently corresponding to the synchronization signal.

[0016] Another aspect of the present disclosure provides a communication device, comprising at least one processor; and

[0017] a memory communicatively connected to the at least one processor; wherein,

[0018] The memory stores instructions that can be executed by the at least one processor, and the instructions are executed by the at least one processor so that the at least one processor can execute the method for determining the synchronization signal described in the above-mentioned embodiment of one aspect, or the method for determining the synchronization signal described in the above-mentioned embodiment of another aspect.

[0019] Another aspect of the present disclosure provides a computer storage medium storing computer-executable instructions. After the computer-executable instructions are executed by a processor, the method for determining the synchronization signal as described in the above-mentioned embodiment of the first aspect or the method for determining the synchronization signal as described in the above-mentioned embodiment of the other aspect is realized. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The above and / or additional aspects and advantages of the present disclosure will become apparent and readily understood from the following description of the embodiments in conjunction with the accompanying drawings, in which:

[0021] Figure 1 A flowchart of a method for determining a synchronization signal provided by an embodiment of the present disclosure;

[0022] Figure 2 A flowchart of another method for determining a synchronization signal provided by an embodiment of the present disclosure;

[0023] Figure 3 A flowchart of another method for determining a synchronization signal provided by an embodiment of the present disclosure;

[0024] Figure 4 A flowchart of another method for determining a synchronization signal provided by an embodiment of the present disclosure;

[0025] Figure 5 A flowchart of another method for determining a synchronization signal provided by an embodiment of the present disclosure;

[0026] Figure 6 A flowchart of another method for determining a synchronization signal provided by an embodiment of the present disclosure;

[0027] Figure 7 A flowchart of another method for determining a synchronization signal provided by an embodiment of the present disclosure;

[0028] Figure 8 A flowchart of another method for determining a synchronization signal provided by an embodiment of the present disclosure;

[0029] Figure 9 A schematic structural diagram of a device for determining a synchronization signal provided by an embodiment of the present disclosure;

[0030] Figure 10 A schematic structural diagram of a device for determining a synchronization signal provided by an embodiment of the present disclosure;

[0031] Figure 11 is a schematic diagram of a user equipment provided by an embodiment of the present disclosure;

[0032] Figure 12 A schematic diagram of a network device provided in an embodiment of the present disclosure. DETAILED DESCRIPTION

[0033] The following describes in detail embodiments of the present disclosure, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present disclosure, and should not be construed as limiting the present disclosure.

[0034] In related technologies, satellite-based NB-IoT or eMTC networks generate significant Doppler shift due to the high-speed movement of satellites (especially low-orbit satellites). When the sum of the Doppler shift and the terminal's crystal oscillator frequency offset (up to 79.78kHz) exceeds 1 / 2 of the synchronization signal grid, the synchronization signal grid on the UE side becomes blurred, preventing the UE from properly synchronizing.

[0035] To address this issue, in the present disclosure, the UE can determine the synchronization signal grid to which the synchronization signal currently corresponds based on the received synchronization signal grid indication information, that is, determine the correct frequency range for sending the synchronization signal, thereby solving the synchronization grid confusion problem caused by frequency offset.

[0036] The following describes in detail the synchronization signal determination method, apparatus, user equipment, and network equipment provided by the present disclosure with reference to the accompanying drawings.

[0037] Figure 1 This is a flow chart of a method for determining a synchronization signal provided by an embodiment of the present disclosure, which can be executed by a UE. Figure 1 As shown, the method for determining the synchronization signal includes the following steps:

[0038] Step 101: Receive a synchronization signal and synchronization signal grid indication information.

[0039] In the present disclosure, the UE may receive a synchronization signal and synchronization signal grid indication information sent by a network device, wherein the synchronization signal grid indication information is used to indicate the synchronization signal grid to which the synchronization signal currently corresponds.

[0040] Optionally, the synchronization signal grid indication information may be at least one of the following: Primary Synchronization Signal (PSS), Narrow band Primary Synchronization Signal (NPSS), Physical Broadcast Channel (PBCH), Narrow band Physical Broadcast Channel (NPBCH), Master Information Block (MIB), Master Information Block for NB-IoT (MIB-NB) and System Information Block (SIB).

[0041] Step 102: Determine the synchronization signal grid to which the synchronization signal currently corresponds based on the synchronization signal grid indication information.

[0042] In the present disclosure, the UE may determine the synchronization signal grid to which the synchronization signal currently corresponds based on the synchronization signal grid indication information. Optionally, the synchronization signal grid indication information may include the synchronization signal grid, and the UE may determine the synchronization signal grid to which the synchronization signal currently corresponds based on the synchronization signal grid indication information.

[0043] In some embodiments of the present disclosure, the synchronization signal grid to which the synchronization signal currently corresponds may also be specified by a standard or protocol, so that the UE may determine the synchronization signal grid to which the synchronization signal currently corresponds according to the standard or protocol.

[0044] In the embodiment of the present disclosure, the UE receives a synchronization signal and synchronization signal grid indication information, and determines the synchronization signal grid currently corresponding to the synchronization signal based on the synchronization signal grid indication information, that is, the UE can determine the correct frequency range for sending the synchronization signal, thereby solving the confusion problem of the synchronization grid caused by frequency offset.

[0045] Figure 2 This is a flow chart of another method for determining a synchronization signal provided by an embodiment of the present disclosure. This method can be executed by a UE. Figure 2 As shown, the method for determining the synchronization signal includes the following steps:

[0046] Step 201: Receive a synchronization signal and synchronization signal grid indication information, wherein the synchronization signal grid indication information is MIB, MIB-NB or SIB.

[0047] In the present disclosure, for NB-IoT, Long-Term Evolution (LTE) or eMTC, the synchronization signal grid indication information can be MIB, MIB-NB or SIB, and the network device can indicate the synchronization signal grid information through MIB, MIB-NB or SIB.

[0048] Step 202: Determine the synchronization signal grid to which the synchronization signal currently corresponds based on the value of the designated bit in the synchronization signal grid indication information.

[0049] In the present disclosure, the UE may determine the synchronization signal grid to which the synchronization signal currently corresponds based on the value of a specified bit in the MIB, MIB-NB or SIB.

[0050] For example, the calculation method of the synchronization signal grid is shown in formula (1):

[0051] y=M×100kHz+xkHz (1)

[0052] The network device may use the specified bits in the MIB, MIB-NB or SIB to indicate the values ​​of the parameters M and x. Then the UE may obtain the values ​​of the parameters M and x according to the values ​​of the specified bits in the MIB, MIB-NB or SIB, and then use the above formula (1) to calculate the synchronization signal grid corresponding to the current synchronization signal.

[0053] Optionally, different bits may be used to indicate the values ​​of the two parameters. The position of the specified bit in the MIB, MIB-NB or SIB may be sent in advance to the UE by the network device, or may be determined by the UE based on the agreement of the protocol or standard.

[0054] The bit used to indicate the values ​​of parameters M and x in the MIB, MIB-NB, or SIB can be one, and one bit can indicate multiple sets of values ​​for M and x, each set of values ​​including the value of M and the value of x. For example, a bit value of 0 corresponds to a set of values ​​for M and x, a bit value of 1 corresponds to a set of values ​​for M and x, a bit value of 2 corresponds to a set of values ​​for M and x, etc. Alternatively, multiple bits can be used to directly indicate the values ​​of M and x.

[0055] In an embodiment of the present disclosure, the synchronization signal grid indication information received by the UE may be MIB, MIB-NB or SIB. The UE may determine the synchronization signal grid currently corresponding to the synchronization signal based on the value of the specified bit in the synchronization signal grid indication information, that is, the UE may determine the correct frequency range for sending the synchronization signal, thereby solving the confusion problem of the synchronization grid caused by frequency offset.

[0056] Figure 3 This is a flow chart of another method for determining a synchronization signal provided by an embodiment of the present disclosure. This method can be executed by a UE. Figure 3 As shown, the method for determining the synchronization signal includes the following steps:

[0057] Step 301: Receive a synchronization signal and synchronization signal grid indication information, wherein the synchronization signal grid indication information is PSS.

[0058] In the present disclosure, the network device may use the PSS to indicate the synchronization signal grid to which the synchronization signal currently corresponds. For example, for LTE or eMTC, the network device may use the PSS to indicate the synchronization signal grid to which the synchronization signal currently corresponds. The UE may receive the synchronization signal and the PSS sent by the network device.

[0059] Step 302: Determine the synchronization signal grid to which the synchronization signal currently corresponds based on the acquired first generation parameters corresponding to the PSS and the correspondence between each first generation parameter and each synchronization signal grid.

[0060] In the present disclosure, the UE can generate each candidate PSS based on the generation rule of the PSS and each first generation parameter. Then, based on the correlation between the candidate PSS and the obtained PSS, the first generation parameter corresponding to the obtained PSS is determined. Then, based on the first generation parameter corresponding to the obtained PSS and the correspondence between each first generation parameter and each synchronization signal grid, the synchronization signal grid corresponding to the first generation parameter of the obtained PSS is determined, that is, the synchronization signal grid currently corresponding to the synchronization signal is determined.

[0061] The correspondence between each first generation parameter and each synchronization signal grid may be sent in advance by the network device to the UE, or may be determined by the UE based on a protocol or standard agreement, which is not limited in this disclosure. Optionally, if the synchronization signal grid is calculated as shown in formula (1), then the correspondence between each first generation parameter and each synchronization signal grid may also be the correspondence between each first generation parameter and (M, x).

[0062] In addition, the generation rule of the PSS may be sent in advance by the network device to the UE, or may be determined by the UE based on the agreement of the protocol or standard, which is not limited in this disclosure.

[0063] It should be noted that, since different first generation parameters correspond to different candidate PSSs, the UE may use the first generation parameter corresponding to any candidate PSS related to the obtained PSS as the first generation parameter corresponding to the obtained PSS.

[0064] The correlation between the candidate PSS and the acquired PSS may be determined by any method that can measure the relationship between the two signals, which is not limited in the present disclosure.

[0065] In an embodiment of the present disclosure, the synchronization signal grid indication information may be PSS. The UE may determine the synchronization signal grid to which the synchronization signal currently corresponds based on the first generation parameter corresponding to the acquired PSS and the correspondence between each first generation parameter and each synchronization signal grid. That is, the UE may determine the correct frequency range for sending the synchronization signal, thereby solving the confusion problem of the synchronization grid caused by frequency offset.

[0066] Figure 4 This is a flow chart of another method for determining a synchronization signal provided by an embodiment of the present disclosure. This method can be executed by a UE. Figure 4 As shown, the method for determining the synchronization signal includes the following steps:

[0067] Step 401: Receive a synchronization signal and synchronization signal grid indication information, wherein the synchronization signal grid indication information is NPSS.

[0068] In this disclosure, a network device may use NPSS to indicate the synchronization signal grid to which a synchronization signal currently corresponds. For example, for NB-IoT, a network device may use NPSS to indicate the synchronization signal grid to which a synchronization signal currently corresponds, and a UE may receive both the synchronization signal and the NPSS sent by the network device.

[0069] Step 402: Determine the synchronization signal grid to which the synchronization signal currently corresponds based on the acquired second generation parameters corresponding to the NPSS and the corresponding relationship between each second generation parameter and each synchronization signal grid.

[0070] In the present disclosure, the UE can generate candidate NPSSs based on the NPSS generation rule and the second generation parameters. Then, based on the correlation between the candidate NPSSs and the acquired NPSS, the UE can determine the second generation parameters corresponding to the acquired NPSS. Furthermore, based on the second generation parameters corresponding to the acquired NPSS and the correspondence between the second generation parameters and the synchronization signal grids, the UE can determine the synchronization signal grid corresponding to the second generation parameters of the acquired NPSS, i.e., determine the synchronization signal grid currently corresponding to the synchronization signal.

[0071] The correspondence between each second generation parameter and each synchronization signal grid may be sent in advance by the network device to the UE, or may be determined by the UE based on a protocol or standard agreement, which is not limited in this disclosure. Optionally, if the synchronization signal grid is calculated as shown in formula (1), then the correspondence between each second generation parameter and each synchronization signal grid may also be the correspondence between each second generation parameter and (M, x).

[0072] In addition, the generation rule of NPSS may be sent in advance by the network device to the UE, or may be determined by the UE based on the agreement of the protocol or standard, which is not limited in this disclosure.

[0073] It should be noted that, since different second generation parameters correspond to different candidate NPSSs, the UE may use the second generation parameter corresponding to any candidate NPSS related to the acquired NPSS as the second generation parameter corresponding to the acquired NPSS.

[0074] The correlation between the candidate NPSS and the obtained NPSS may be determined by any method that can measure the relationship between the two signals, which is not limited in the present disclosure.

[0075] In the embodiment of the present disclosure, the synchronization signal grid indication information may be NPSS. The UE may determine the synchronization signal grid to which the synchronization signal currently corresponds based on the second generation parameter corresponding to the acquired NPSS and the correspondence between each second generation parameter and each synchronization signal grid. That is, the UE may determine the correct frequency range for sending the synchronization signal, thereby solving the confusion problem of the synchronization grid caused by frequency offset.

[0076] Figure 5 This is a flow chart of another method for determining a synchronization signal provided by an embodiment of the present disclosure. This method can be executed by a UE. Figure 5 As shown, the method for determining the synchronization signal includes the following steps:

[0077] Step 501: Receive a synchronization signal and synchronization signal grid indication information, wherein the synchronization signal grid indication information is PBCH or NPBCH.

[0078] In the present disclosure, the network device may use the PBCH or NPBCH to indicate the synchronization signal grid to which the synchronization signal currently corresponds. The UE may receive the synchronization signal and the PBCH or NPBCH sent by the network device.

[0079] Step 502: Determine the synchronization signal grid to which the synchronization signal currently corresponds based on the acquired scrambling sequence corresponding to the PBCH or NPBCH and the correspondence between each scrambling sequence and each synchronization signal grid.

[0080] In the present disclosure, the UE may determine the synchronization signal grid corresponding to the scrambling sequence of the obtained PBCH or NPBCH based on the scrambling sequence corresponding to the obtained PBCH or NPBCH and the correspondence between each scrambling sequence and each synchronization signal grid. The scrambling sequence corresponding to the PBCH or NPBCH obtained by the UE may be pre-sent to the UE by a network device, or may be determined by the UE based on an agreement of a protocol or standard, which is not limited in the present disclosure.

[0081] In addition, the correspondence between each scrambling sequence and each synchronization signal grid may be sent in advance by the network device to the UE, or may be determined by the UE based on a protocol or standard agreement, and this disclosure does not limit this. Optionally, if the synchronization signal grid is calculated as shown in formula (1), then the correspondence between each scrambling sequence and each synchronization signal grid may also be the correspondence between each scrambling sequence and (M, x).

[0082] Optionally, if the network device configures the UE with the third generation parameters and the generation rules of the scrambling sequence, or the UE can determine the third generation parameters and the generation rules of the scrambling sequence based on the agreement of the protocol or standard, then the UE can generate the candidate scrambling sequences corresponding to the PBCH or NPBCH according to the generation rules of the scrambling sequence and the third generation parameters, and then obtain the PBCH or NPBCH based on the candidate scrambling sequences and the correspondence between the scrambling sequences and the synchronization signal grids.

[0083] Typically, when a network device sends synchronization signal grid indication information, to improve the signal's anti-interference capabilities, it first scrambles the synchronization signal grid indication information with a scrambling sequence before sending the scrambled synchronization signal grid indication information to the UE. Accordingly, the UE can attempt to receive each synchronization signal grid indication information based on each known scrambling sequence. If reception is successful, it can determine that the scrambling sequence corresponding to the received synchronization signal grid indication information is the currently used scrambling sequence. If reception fails, the synchronization signal grid indication information is discarded.

[0084] It should be noted that, in the present disclosure, the generation rules for the scrambling sequences corresponding to PBCH or NPBCH may adopt the generation formulas in the relevant protocols, or may be formulas corresponding to other pre-set generation rules, which is not limited in the present disclosure.

[0085] In the embodiment of the present disclosure, the synchronization signal grid indication information may be PBCH or NPBCH. The UE may determine the synchronization signal grid to which the synchronization signal currently corresponds based on the scrambling sequence corresponding to the acquired PBCH or NPBCH, and the correspondence between each scrambling sequence and each synchronization signal grid. That is, the UE may determine the correct frequency range for sending the synchronization signal, thereby solving the confusion problem of the synchronization grid caused by frequency offset.

[0086] Figure 6 This is a flow chart of another method for determining a synchronization signal provided by an embodiment of the present disclosure. This method can be executed by a UE. Figure 6 As shown, the method for determining the synchronization signal includes the following steps:

[0087] Step 601: Receive a synchronization signal and synchronization signal grid indication information, wherein the synchronization signal grid indication information is PBCH or NPBCH.

[0088] In the present disclosure, the network device may use the PBCH or NPBCH to indicate the synchronization signal grid to which the synchronization signal currently corresponds. The UE may receive the synchronization signal and the PBCH or NPBCH sent by the network device.

[0089] Step 602: Determine the synchronization signal grid to which the synchronization signal currently corresponds based on the acquired third generation parameters corresponding to the PBCH or NPBCH and the correspondence between each third generation parameter and each synchronization signal grid.

[0090] In the present disclosure, different PBCHs correspond to different third generation parameters, which are parameters used to generate a scrambling sequence. Different third generation parameters correspond to different scrambling sequences and thus correspond to different PBCHs.

[0091] The UE can determine the synchronization signal grid corresponding to the third generation parameter corresponding to the acquired PBCH or NPBCH and the correspondence between each third generation parameter and each synchronization signal grid, that is, determine the synchronization signal grid currently corresponding to the synchronization signal.

[0092] Among them, the third generation parameters corresponding to the obtained PBCH or NPBCH, and the correspondence between each third generation parameter and each synchronization signal grid, can be sent to the UE in advance by the network device, or can also be determined by the UE based on the agreement of the protocol or standard. This disclosure does not limit this.

[0093] In addition, the generation rule of the scrambling sequence may also be sent in advance by the network device to the UE, or may be determined by the UE based on the agreement of the protocol or standard, which is not limited in this disclosure.

[0094] Optionally, if the network device configures the UE with the third generation parameters and the generation rules of the scrambling sequence, or the UE can determine the third generation parameters and the generation rules of the scrambling sequence based on the agreement of the protocol or standard, then the UE can generate the candidate scrambling sequences corresponding to the PBCH or NPBCH according to the generation rules of the scrambling sequence and the third generation parameters, and then obtain the PBCH or NPBCH based on the candidate scrambling sequences.

[0095] Typically, when a network device sends synchronization signal grid indication information, to improve the signal's anti-interference capabilities, it first scrambles the synchronization signal grid indication information with a scrambling sequence before sending the scrambled synchronization signal grid indication information to the UE. Accordingly, the UE can attempt to receive each synchronization signal grid indication information based on each known scrambling sequence. If reception is successful, it can determine that the scrambling sequence corresponding to the received synchronization signal grid indication information is the currently used scrambling sequence. If reception fails, the synchronization signal grid indication information is discarded.

[0096] It should be noted that, in the present disclosure, the generation rules for the scrambling sequences corresponding to PBCH or NPBCH may adopt the generation formulas in the relevant protocols, or may be formulas corresponding to other pre-set generation rules, which is not limited in the present disclosure.

[0097] In the embodiment of the present disclosure, the synchronization signal grid indication information may be PBCH or NPBCH. The UE may determine the synchronization signal grid to which the synchronization signal currently corresponds based on the third generation parameter corresponding to the acquired PBCH or NPBCH, and the correspondence between each third generation parameter and each synchronization signal grid. That is, the UE may determine the correct frequency range for sending the synchronization signal, thereby solving the confusion problem of the synchronization grid caused by frequency offset.

[0098] Figure 7A flowchart of another method for determining a synchronization signal provided by an embodiment of the present disclosure is provided. The method for determining a synchronization signal can be executed by a network device.

[0099] like Figure 7 As shown, the method for determining the synchronization signal includes the following steps:

[0100] Step 701: Send synchronization signal grid indication information, wherein the synchronization signal grid indication information is used to indicate the synchronization signal grid to which the synchronization signal currently corresponds.

[0101] In the present disclosure, the network device may send synchronization signal grid indication information and a synchronization signal to the UE, wherein the synchronization signal grid indication information is used to indicate the synchronization signal grid to which the synchronization signal currently corresponds.

[0102] Optionally, the synchronization signal grid indication information may be at least one of the following: PSS, NPSS, PBCH, NPBCH, MIB, MIB-NB and SIB.

[0103] Optionally, the synchronization signal grid indication information may include a synchronization signal grid, and the UE determines the synchronization signal grid to which the synchronization signal currently corresponds based on the synchronization signal grid indication information.

[0104] In some embodiments of the present disclosure, the synchronization signal grid to which the synchronization signal currently corresponds may also be specified by a standard or protocol, so that the UE may determine the synchronization signal grid to which the synchronization signal currently corresponds according to the standard or protocol.

[0105] In an embodiment of the present disclosure, a network device may send synchronization signal grid indication information, wherein the synchronization signal grid indication information is used to indicate the synchronization signal grid to which the synchronization signal currently corresponds, so that the UE may determine the synchronization signal grid to which the synchronization signal currently corresponds based on the synchronization signal grid indication information, that is, the UE may determine the correct frequency range for sending the synchronization signal, thereby solving the confusion problem of the synchronization grid caused by frequency offset.

[0106] Figure 8 A flowchart of another method for determining a synchronization signal provided by an embodiment of the present disclosure is provided. The method for determining a synchronization signal can be executed by a network device.

[0107] like Figure 8 As shown, the method for determining the synchronization signal includes the following steps:

[0108] Step 801: Generate synchronization signal grid indication information based on specified rules; or generate synchronization grid indication information based on protocol provisions.

[0109] In the present disclosure, the network device may generate synchronization signal grid indication information based on a specified rule. The synchronization signal grid indication information may be at least one of the following: PSS, NPSS, PBCH, NPBCH, MIB, MIB-NB, and SIB.

[0110] Optionally, the synchronization signal grid indication information is PSS. Accordingly, the network device may generate at least one PSS according to a PSS generation rule and at least one first generation parameter.

[0111] Different PSSs correspond to different first generation parameters. The first generation parameters may be preset by the network device, or may be determined based on a protocol or standard agreement, which is not limited in this disclosure.

[0112] In addition, the generation rules of the PSS may also be preset by the network device, or may be determined based on the agreement of the protocol or standard, which is not limited in this disclosure.

[0113] It should be noted that, since the UE needs to determine the synchronization signal grid corresponding to the current synchronization signal based on the acquired PSS, the generation rule and first generation parameter corresponding to the PSS on the UE side are the same as the generation rule and first generation parameter corresponding to the PSS on the network device side. That is, if the generation rule and each first generation parameter of the PSS are preset on the network device side, the network device needs to send the generation rule and each first generation parameter of the PSS to the UE to achieve synchronization between the two.

[0114] Optionally, a new first generation parameter u of the PSS sequence can be configured. Different PSS sequences have different first generation parameters u. The PSS sequence d u (n) can be generated according to the following formula (2):

[0115]

[0116] It can be understood that when the network device generates the PSS sequence according to the above formula (2), the UE side can also generate each candidate PSS sequence based on the above formula (2) and the corresponding first generation parameters, and then determine the first generation parameter corresponding to the obtained PSS sequence based on the correlation between the obtained PSS sequence and the candidate PSS sequence, and then determine the synchronization signal grid currently corresponding to the synchronization signal according to the first generation parameter corresponding to the obtained PSS sequence, the correspondence between each first generation parameter and each synchronization signal grid.

[0117] It should be noted that the above formula is only for illustrative purposes, and the sequence value n can be adjusted in any form as needed, such as increasing or decreasing, etc., and this disclosure does not limit this.

[0118] Alternatively, the synchronization signal grid indication information is NPSS. Accordingly, the network device may generate at least one NPSS according to a generation rule of the NPSS and at least one second generation parameter group.

[0119] Different NPSSs correspond to different second generation parameters. The second generation parameters may be preset by the network device, or may be determined based on a protocol or standard agreement, which is not limited in this disclosure.

[0120] In addition, the generation rules of NPSS may also be preset by the network device, or may be determined based on the agreement of the protocol or standard, which is not limited in this disclosure.

[0121] It should be noted that since the UE needs to determine the synchronization signal grid corresponding to the current synchronization signal based on the acquired NPSS, the generation rule and second generation parameter corresponding to the NPSS on the UE side are the same as the generation rule and second generation parameter corresponding to the NPSS on the network device side. That is, if the generation rule and each second generation parameter of the NPSS are preset on the network device side, the network device needs to send the generation rule and each second generation parameter of the NPSS to the UE to achieve synchronization between the two.

[0122] Optionally, a new second generation parameter u of the NPSS sequence can be configured. Different NPSS sequences have different second generation parameters u. l (n) can be generated according to the following formula (3):

[0123]

[0124] The value of S(l) may be as shown in Table 1 below, where l represents the symbol index.

[0125] Table 1 S(l) value table

[0126]

[0127] It can be understood that when the network device generates the NPSS sequence according to the above formula (3), the UE side can also generate each candidate NPSS sequence based on the above formula (3) and the corresponding second generation parameters, and then determine the second generation parameter corresponding to the obtained NPSS sequence based on the correlation between the obtained NPSS sequence and the candidate NPSS sequence, and then determine the synchronization signal grid currently corresponding to the synchronization signal according to the second generation parameter corresponding to the obtained NPSS sequence, the correspondence between each second generation parameter and each synchronization signal grid.

[0128] It should be noted that the above formula is only for illustrative purposes, and the sequence value n can be adjusted in any form as needed, such as increasing or decreasing, etc., and this disclosure does not limit this.

[0129] Optionally, the synchronization signal grid indication information is PBCH or NPBCH. Accordingly, the network device can generate at least one PBCH or NPBCH scrambling sequence according to the generation rule of the scrambling sequence corresponding to the PBCH or NPBCH and at least one third generation parameter.

[0130] Different PBCHs or NPBCHs correspond to different scrambling sequences and / or third generation parameters. The third generation parameter is a parameter used to generate the scrambling sequence. Different third generation parameters correspond to different scrambling sequences, and thus to different PBCHs or NPBCHs. That is, different PBCHs or NPBCHs correspond to different third generation parameters or different scrambling sequences. The scrambling sequence and / or third generation parameter may be pre-configured on the network device side, or may be determined based on a protocol or standard agreement, which is not limited in this disclosure.

[0131] In addition, the generation rule of the scrambling sequence may also be pre-configured on the network device side, or may be determined by the network device based on a protocol or standard agreement, which is not limited in this disclosure.

[0132] Typically, when a network device sends synchronization signal grid indication information, to improve the signal's anti-interference capabilities, it first scrambles the synchronization signal grid indication information with a scrambling sequence before sending the scrambled synchronization signal grid indication information to the UE. Accordingly, the UE can attempt to receive each synchronization signal grid indication information based on each known scrambling sequence. If reception is successful, it can determine that the scrambling sequence corresponding to the received synchronization signal grid indication information is the currently used scrambling sequence. If reception fails, the synchronization signal grid indication information is discarded.

[0133] Correspondingly, the synchronization signal grid to which the synchronization signal currently corresponds may be determined according to the scrambling sequence or the third generation parameter corresponding to the PBCH or NPBCH.

[0134] It should be noted that, since the UE needs to determine the synchronization signal grid to which the synchronization signal currently corresponds based on the received synchronization signal grid indication information, the generation rule and the third generation parameter of the scrambling sequence corresponding to the PBCH or NPBCH on the UE side are consistent with the generation rule and the third generation parameter of the scrambling sequence corresponding to the PBCH or NPBCH on the network device side. That is, if the generation rule and the third generation parameter of the scrambling sequence corresponding to the PBCH or NPBCH are preset on the network device side, the network device needs to send the generation rule and the third generation parameter of the scrambling sequence corresponding to the PBCH or NPBCH to the UE to achieve synchronization between the two.

[0135] Optionally, the third generation parameter c of the scrambling sequence corresponding to the new PBCH or NPBCH can also be configured. init Different scrambling sequences have different third generation parameters c init , the scrambling sequence c(n) can be generated according to the following formula (4):

[0136]

[0137] in,

[0138] N C =1600

[0139] x1(0)=1,x1(n)=0,n=1,2,...,30

[0140] x2(n) is initialized to

[0141] It can be understood that when the network device generates the scrambling sequence corresponding to the PBCH or NPBCH according to the above formula (4), the UE side can also generate the scrambling sequence corresponding to the PBCH or NPBCH based on the above formula (4) and the corresponding third generation parameters, and then attempt to receive the PBCH or NPBCH based on the generated scrambling sequence corresponding to the PBCH or NPBCH.

[0142] It should be noted that the above formula is only a schematic illustration, and the sequence values ​​can be adjusted in any form as needed, such as increasing or decreasing, etc., and this disclosure does not limit this.

[0143] Alternatively, the network device may also generate synchronization grid indication information based on protocol provisions, wherein the synchronization grid indication information may include a synchronization signal grid, so that the UE may determine the synchronization signal grid currently corresponding to the synchronization signal according to the synchronization grid indication information.

[0144] Step 802: Send synchronization signal grid indication information, where the synchronization signal grid indication information is used to indicate the synchronization signal grid to which the synchronization signal currently corresponds.

[0145] In the present disclosure, step 802 can be implemented in any of the embodiments of the present disclosure, and the present disclosure embodiment is not limited thereto and will not be described in detail.

[0146] In the implementation of the present disclosure, the network device can generate synchronization signal grid indication information based on specified rules, or generate synchronization grid indication information based on protocol provisions, and send the synchronization signal grid indication information, so that the UE can determine the synchronization signal grid currently corresponding to the synchronization signal based on the synchronization signal grid indication information, that is, the UE can determine the correct frequency range for sending the synchronization signal, thereby solving the confusion problem of the synchronization grid caused by frequency offset.

[0147] Figure 9 This is a structural diagram of a device for determining a synchronization signal provided by an embodiment of the present disclosure. The device can be applied to a UE. Figure 9 As shown, the synchronization signal determination device 900 includes: a receiving module 910 and a processing module 920.

[0148] The receiving module 910 is configured to receive a synchronization signal and synchronization signal grid indication information;

[0149] The processing module 920 is configured to determine the synchronization signal grid to which the synchronization signal currently corresponds according to the synchronization signal grid indication information.

[0150] Optionally, the synchronization signal grid indication information is at least one of the following: PSS, NPSS, PBCH, NPBCH, MIB, MIB-NB and SIB.

[0151] Optionally, the synchronization signal grid indication information is MIB, MIB-NB or SIB, and the processing module 920 is configured to determine the synchronization signal grid currently corresponding to the synchronization signal according to the value of a specified bit in the synchronization signal grid indication information.

[0152] Optionally, the synchronization signal grid indication information is PSS, and the processing module 920 is configured to:

[0153] Generate candidate PSSs according to the PSS generation rule and the first generation parameters;

[0154] Determining a first generation parameter corresponding to the acquired PSS based on a correlation between the candidate PSS and the acquired PSS;

[0155] According to the first generation parameters corresponding to the acquired PSS and the corresponding relationship between each first generation parameter and each synchronization signal grid, the synchronization signal grid currently corresponding to the synchronization signal is determined.

[0156] Optionally, the synchronization signal grid indication information is PSS, and the processing module 920 is configured to:

[0157] Generating candidate NPSSs according to the NPSS generation rule and the second generation parameters;

[0158] determining a second generation parameter corresponding to the acquired NPSS based on a correlation between the candidate NPSS and the acquired NPSS;

[0159] The synchronization signal grid currently corresponding to the synchronization signal is determined based on the second generation parameter corresponding to the acquired NPSS and the corresponding relationship between each second generation parameter and each synchronization signal grid.

[0160] Optionally, the synchronization signal grid indication information is PSS, and the processing module 920 is configured to determine the synchronization signal grid currently corresponding to the synchronization signal based on the acquired scrambling sequence corresponding to the PBCH or NPBCH, and the correspondence between each scrambling sequence and each synchronization signal grid.

[0161] Optionally, the synchronization signal grid indication information is PSS, and the processing module 920 is configured to determine the synchronization signal grid currently corresponding to the synchronization signal based on the acquired third generation parameter corresponding to the PBCH or NPBCH, and the correspondence between each third generation parameter and each synchronization signal grid.

[0162] Optionally, the processing module 920 is further configured to:

[0163] Generate candidate scrambling sequences corresponding to the PBCH or NPBCH according to the scrambling sequence generation rule and the third generation parameters;

[0164] The PBCH or NPBCH is obtained based on the candidate scrambling sequence.

[0165] Optionally, the processing module 920 is further configured to determine the synchronization signal grid to which the synchronization signal currently corresponds according to protocol provisions.

[0166] It should be noted that the above Figures 1 to 6 The explanation of the embodiment of the method for determining a synchronization signal provided is also applicable to the device for determining a synchronization signal of this embodiment, and will not be repeated here.

[0167] In the embodiment of the present disclosure, the UE receives a synchronization signal and synchronization signal grid indication information, and determines the synchronization signal grid currently corresponding to the synchronization signal based on the synchronization signal grid indication information, that is, the UE can determine the correct frequency range for sending the synchronization signal, thereby solving the confusion problem of the synchronization grid caused by frequency offset.

[0168] Figure 10 This is a structural diagram of a device for determining a synchronization signal provided by an embodiment of the present disclosure. The device can be applied to network equipment. Figure 10 As shown, the synchronization signal determination device 1000 includes: a sending module 1010.

[0169] The sending module 1010 is configured to send synchronization signal grid indication information, wherein the synchronization signal grid indication information is used to indicate the synchronization signal grid to which the synchronization signal currently corresponds.

[0170] Optionally, the synchronization signal grid indication information is at least one of the following: PSS, NPSS, PBCH, NPBCH, MIB, MIB-NB and SIB.

[0171] Optionally, the device may further include: a generating module configured to:

[0172] generating the synchronization signal grid indication information based on a specified rule;

[0173] or,

[0174] The synchronization grid indication information is generated based on protocol regulations.

[0175] Optionally, the synchronization signal grid indication information is PSS, and the generating module is configured to:

[0176] At least one PSS is generated according to the PSS generation rule and at least one first generation parameter.

[0177] Optionally, the synchronization signal grid indication information is NPSS, and the generating module is configured to:

[0178] At least one NPSS is generated according to the NPSS generation rule and at least one second generation parameter set.

[0179] Optionally, the synchronization signal grid indication information is PBCH or NPBCH, and the generating module is configured to:

[0180] At least one scrambling sequence corresponding to the PBCH or NPBCH is generated according to a generation rule of the scrambling sequence corresponding to the PBCH or NPBCH and at least one third generation parameter.

[0181] It should be noted that the above Figures 7 and 8 The explanation of the embodiment of the method for determining a synchronization signal provided is also applicable to the device for determining a synchronization signal of this embodiment, and will not be repeated here.

[0182] In an embodiment of the present disclosure, a network device may send synchronization signal grid indication information, wherein the synchronization signal grid indication information is used to indicate the synchronization signal grid to which the synchronization signal currently corresponds, so that the UE may determine the synchronization signal grid to which the synchronization signal currently corresponds based on the synchronization signal grid indication information, that is, the UE may determine the correct frequency range for sending the synchronization signal, thereby solving the confusion problem of the synchronization grid caused by frequency offset.

[0183] In order to implement the above embodiments, the present disclosure also provides a communication device.

[0184] The communication device provided by the embodiment of the present disclosure includes a processor, a transceiver, a memory, and an executable program stored in the memory and capable of being run by the processor, wherein the processor executes the aforementioned method when running the executable program.

[0185] The communication device may be the aforementioned network device or user equipment.

[0186] The processor may include various types of storage media, which are non-temporary computer storage media that can continue to store information after the communication device loses power. Here, the communication device includes a base station or a terminal.

[0187] The processor can be connected to the memory through a bus or the like, and is used to read the executable program stored in the memory, for example, to implement the following Figures 1 to 8 A method for determining a synchronization signal according to at least one of the foregoing.

[0188] In order to implement the above embodiments, the present disclosure also proposes a computer storage medium.

[0189] The computer storage medium provided in the embodiment of the present disclosure stores an executable program; after the executable program is executed by the processor, the aforementioned method can be implemented, for example, as follows Figures 1 to 8 A method for determining a synchronization signal according to at least one of the foregoing.

[0190] Figure 11 1 is a schematic diagram of a user device provided by an embodiment of the present disclosure. For example, user device 110 may be a mobile phone, a computer, a digital broadcast user device, a messaging device, a game console, a tablet device, a medical device, a fitness device, a personal digital assistant, etc.

[0191] Reference Figure 11 , the user device 110 may include at least one of the following components: a processing component 111 , a memory 112 , a power component 113 , a multimedia component 114 , an audio component 115 , an input / output (I / O) interface 116 , a sensor component 117 , and a communication component 118 .

[0192] The processing component 111 generally controls the overall operation of the user device 110, such as operations associated with display, phone calls, data communications, camera operations, and recording operations. The processing component 111 may include at least one processor to execute instructions to perform the above-mentioned Figures 1-6 In addition, the processing component 111 may include at least one module to facilitate interaction between the processing component 111 and other components. For example, the processing component 111 may include a multimedia module to facilitate interaction between the multimedia component 114 and the processing component 111.

[0193] The memory 112 is configured to store various types of data to support operations on the user device 110. Examples of such data include instructions for any application or method operating on the user device 110, contact data, phone book data, messages, pictures, videos, etc. The memory 112 can be implemented by any type of volatile or non-volatile storage device, or a combination thereof, such as static random access memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic disk, or optical disk.

[0194] The power supply component 113 provides power to the various components of the user device 110. The power supply component 113 may include a power management system, at least one power supply, and other components associated with generating, managing, and distributing power to the user device 110.

[0195] The multimedia component 114 includes a screen that provides an output interface between the user device 110 and the user. In some embodiments, the screen may include a liquid crystal display (LCD) and a touch panel (TP). If the screen includes a touch panel, the screen may be implemented as a touch screen to receive input signals from the user. The touch panel includes at least one touch sensor to sense touch, slide, and gestures on the touch panel. The touch sensor can not only sense the boundaries of the touch or slide action, but also detect the wake-up time and pressure associated with the touch or slide operation. In some embodiments, the multimedia component 124 includes a front camera and / or a rear camera. When the user device 110 is in an operating mode, such as a shooting mode or a video mode, the front camera and / or the rear camera can receive external multimedia data. Each front camera and rear camera can be a fixed optical lens system or have a focal length and optical zoom capability.

[0196] The audio component 115 is configured to output and / or input audio signals. For example, the audio component 115 includes a microphone (MIC) that is configured to receive external audio signals when the user device 110 is in an operating mode, such as a call mode, a recording mode, and a voice recognition mode. The received audio signal may be further stored in the memory 112 or transmitted via the communication component 118. In some embodiments, the audio component 115 further includes a speaker for outputting audio signals.

[0197] I / O interface 116 provides an interface between processing component 111 and peripheral interface modules, such as a keyboard, click wheel, buttons, etc. These buttons may include but are not limited to: a home button, volume buttons, a start button, and a lock button.

[0198] The sensor assembly 117 includes at least one sensor for providing various aspects of the status assessment for the user device 110. For example, the sensor assembly 117 can detect the open / closed state of the device 110, the relative positioning of components, such as the display and keypad of the user device 110. The sensor assembly 117 can also detect changes in the position of the user device 110 or a component of the user device 110, the presence or absence of user contact with the user device 110, the orientation or acceleration / deceleration of the user device 110, and temperature changes of the user device 110. The sensor assembly 117 may include a proximity sensor configured to detect the presence of nearby objects without any physical contact. The sensor assembly 117 may also include an optical sensor, such as a CMOS or CCD image sensor, for use in imaging applications. In some embodiments, the sensor assembly 117 may also include an accelerometer, a gyroscope, a magnetic sensor, a pressure sensor, or a temperature sensor.

[0199] The communication component 118 is configured to facilitate wired or wireless communication between the user device 110 and other devices. The user device 110 can access a wireless network based on a communication standard, such as WiFi, 2G or 3G, or a combination thereof. In an exemplary embodiment, the communication component 118 receives a broadcast signal or broadcast-related information from an external broadcast management system via a broadcast channel. In an exemplary embodiment, the communication component 118 also includes a near field communication (NFC) module to facilitate short-range communication. For example, the NFC module can be implemented based on radio frequency identification (RFID) technology, infrared data association (IrDA) technology, ultra-wideband (UWB) technology, Bluetooth (BT) technology and other technologies.

[0200] In an exemplary embodiment, the user device 110 may be implemented by at least one application-specific integrated circuit (ASIC), digital signal processor (DSP), digital signal processing device (DSPD), programmable logic device (PLD), field programmable gate array (FPGA), controller, microcontroller, microprocessor or other electronic component to perform the above method.

[0201] In an exemplary embodiment, a non-transitory computer-readable storage medium including instructions is also provided, such as a memory 112 including instructions, which can be executed by the processing component 111 of the user device 110 to perform the above method. For example, the non-transitory computer-readable storage medium can be a ROM, a random access memory (RAM), a CD-ROM, a magnetic tape, a floppy disk, an optical data storage device, etc.

[0202] Figure 12 This is a schematic diagram of a network device provided by an embodiment of the present disclosure. Figure 12 , the network device 120 includes a processing component 121, which further includes at least one processor, and a memory resource represented by a memory 132 for storing instructions executable by the processing component 121, such as an application. The application stored in the memory 122 may include one or more modules, each corresponding to a set of instructions. In addition, the processing component 121 is configured to execute instructions to perform any of the above-mentioned methods applied to the network device, such as Figures 7 and 8 The method shown.

[0203] The network device 120 may further include a power supply component 123 configured to perform power management of the network device 120, a wired or wireless network interface 124 configured to connect the network device 120 to a network, and an input / output (I / O) interface 125. The network device 120 may operate based on an operating system stored in the memory 121, such as Windows Server™, Mac OS X™, Unix™, Linux™, FreeBSD™, or the like.

[0204] Those skilled in the art will understand that all or part of the steps in the method of the above embodiment can be completed by instructing related hardware through a program, and the program can be stored in a computer-readable storage medium. When the program is executed, it includes one or a combination of the steps of the method embodiment.

[0205] In addition, the functional units in the various embodiments of the present disclosure may be integrated into a single processing module, or each unit may exist physically separately, or two or more units may be integrated into a single module. The aforementioned integrated modules may be implemented in the form of hardware or in the form of software functional modules. If the integrated modules are implemented in the form of software functional modules and sold or used as independent products, they may also be stored in a computer-readable storage medium.

[0206] The storage medium mentioned above can be a read-only memory, a magnetic disk or an optical disk, etc.

[0207] The above is only a preferred embodiment of the present disclosure. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present disclosure. These improvements and modifications should also be regarded as within the scope of protection of the present disclosure.

Claims

1. A method for determining a synchronization signal, characterized in that: Applied to user equipment UE, the method includes: Receive a synchronization signal and synchronization signal grid indication information; wherein the synchronization signal grid indication information is used to indicate the synchronization signal grid currently corresponding to the synchronization signal; Determining, according to the synchronization signal grid indication information, a synchronization signal grid to which the synchronization signal currently corresponds; The step of determining the synchronization signal grid to which the synchronization signal currently corresponds based on the synchronization signal grid indication information includes: When the synchronization signal grid indication information is a PSS, generating each candidate PSS according to a generation rule of the PSS and each first generation parameter; determining the first generation parameter corresponding to the acquired PSS according to a correlation between the candidate PSS and the acquired PSS; and determining the synchronization signal grid to which the synchronization signal currently corresponds according to the first generation parameter corresponding to the acquired PSS and the correspondence between each first generation parameter and each synchronization signal grid; or, In the case where the synchronization signal grid indication information is NPSS, each candidate NPSS is generated according to the generation rule of the NPSS and each second generation parameter; the second generation parameter corresponding to the acquired NPSS is determined according to the correlation between the candidate NPSS and the acquired NPSS; and the synchronization signal grid currently corresponding to the synchronization signal is determined according to the second generation parameter corresponding to the acquired NPSS and the correspondence between each second generation parameter and each synchronization signal grid.

2. The method according to claim 1, wherein The synchronization signal grid indication information is at least one of the following: primary synchronization signal PSS, narrowband primary synchronization signal NPSS, physical broadcast channel PBCH, narrowband physical broadcast channel NPBCH, master information block MIB, narrowband Internet of Things master information block MIB-NB and system information block SIB.

3. The method according to claim 1, wherein The synchronization signal grid indication information is MIB, MIB-NB, or SIB, and determining, according to the synchronization signal grid indication information, a synchronization signal grid currently corresponding to the synchronization signal, includes: The synchronization signal grid to which the synchronization signal currently corresponds is determined according to the value of a specified bit in the synchronization signal grid indication information.

4. The method according to claim 1, wherein The synchronization signal grid indication information is PBCH or NPBCH, and determining, according to the synchronization signal grid indication information, a synchronization signal grid currently corresponding to the synchronization signal, includes: According to the acquired scrambling sequence corresponding to the PBCH or NPBCH and the correspondence between each scrambling sequence and each synchronization signal grid, the synchronization signal grid currently corresponding to the synchronization signal is determined.

5. The method according to claim 4, wherein Also includes: Generate candidate scrambling sequences corresponding to the PBCH or NPBCH according to the scrambling sequence generation rule and the third generation parameters; wherein the third generation parameters are generation parameters corresponding to the PBCH or NPBCH; The PBCH or NPBCH is obtained based on the candidate scrambling sequence.

6. The method according to claim 1, wherein The synchronization signal grid indication information is PBCH or NPBCH, and determining, according to the synchronization signal grid indication information, a synchronization signal grid currently corresponding to the synchronization signal, includes: The synchronization signal grid currently corresponding to the synchronization signal is determined based on the acquired third generation parameter corresponding to the PBCH or NPBCH and the correspondence between each third generation parameter and each synchronization signal grid.

7. The method according to claim 6, wherein Also includes: Generate candidate scrambling sequences corresponding to the PBCH or NPBCH according to a scrambling sequence generation rule and the third generation parameters; The PBCH or NPBCH is obtained based on the candidate scrambling sequence.

8. The method according to any one of claims 1 to 7, wherein: Also includes: According to the protocol provisions, the synchronization signal grid currently corresponding to the synchronization signal is determined.

9. A method for determining a synchronization signal, characterized in that: Applied to a network device, the method includes: Generate synchronization signal grid indication information based on a specified rule; wherein, if the synchronization signal grid indication information is a PSS, generate at least one PSS according to the PSS generation rule and at least one first generation parameter, and different PSSs correspond to different first generation parameters; or, if the synchronization signal grid indication information is an NPSS, generate at least one NPSS according to the NPSS generation rule and at least one second generation parameter, and different NPSSs correspond to different second generation parameters; The synchronization signal grid indication information is sent, wherein the synchronization signal grid indication information is used to indicate the synchronization signal grid currently corresponding to the synchronization signal.

10. The method according to claim 9, wherein The synchronization signal grid indication information is at least one of the following: primary synchronization signal PSS, narrowband primary synchronization signal NPSS, physical broadcast channel PBCH, narrowband physical broadcast channel NPBCH, master information block MIB, narrowband Internet of Things master information block MIB-NB and system information block SIB.

11. The method according to claim 9, wherein The synchronization signal grid indication information is PBCH or NPBCH, and the generating the synchronization signal grid indication information based on a specified rule includes: At least one scrambling sequence corresponding to the PBCH or NPBCH is generated according to a generation rule of the scrambling sequence corresponding to the PBCH or NPBCH and at least one third generation parameter.

12. A device for determining a synchronization signal, characterized in that: Applied to user equipment UE, the apparatus includes: A receiving module is configured to receive a synchronization signal and synchronization signal grid indication information; wherein the synchronization signal grid indication information is used to indicate the synchronization signal grid currently corresponding to the synchronization signal; a processing module configured to determine, according to the synchronization signal grid indication information, a synchronization signal grid to which the synchronization signal currently corresponds; The step of determining the synchronization signal grid to which the synchronization signal currently corresponds based on the synchronization signal grid indication information includes: When the synchronization signal grid indication information is a PSS, generating each candidate PSS according to a generation rule of the PSS and each first generation parameter; determining the first generation parameter corresponding to the acquired PSS according to a correlation between the candidate PSS and the acquired PSS; and determining the synchronization signal grid to which the synchronization signal currently corresponds according to the first generation parameter corresponding to the acquired PSS and the correspondence between each first generation parameter and each synchronization signal grid; or, In the case where the synchronization signal grid indication information is NPSS, each candidate NPSS is generated according to the generation rule of the NPSS and each second generation parameter; the second generation parameter corresponding to the acquired NPSS is determined according to the correlation between the candidate NPSS and the acquired NPSS; and the synchronization signal grid currently corresponding to the synchronization signal is determined according to the second generation parameter corresponding to the acquired NPSS and the correspondence between each second generation parameter and each synchronization signal grid.

13. A device for determining a synchronization signal, characterized in that: Applicable to network equipment, the device includes: A generation module is configured to generate synchronization signal grid indication information based on a specified rule; wherein, when the synchronization signal grid indication information is a PSS, at least one PSS is generated according to the PSS generation rule and at least one first generation parameter, and different PSSs correspond to different first generation parameters; or, when the synchronization signal grid indication information is an NPSS, at least one NPSS is generated according to the NPSS generation rule and at least one second generation parameter, and different NPSSs correspond to different second generation parameters; The sending module is configured to send the synchronization signal grid indication information, wherein the synchronization signal grid indication information is used to indicate the synchronization signal grid currently corresponding to the synchronization signal.

14. A communication device, characterized in that: include: at least one processor; as well as a memory communicatively connected to the at least one processor; wherein, The memory stores instructions that can be executed by the at least one processor, and the instructions are executed by the at least one processor to enable the at least one processor to perform the method according to any one of claims 1 to 11.

15. A computer storage medium, characterized in that The computer storage medium stores computer-executable instructions, and after the computer-executable instructions are executed by a processor, the method according to any one of claims 1 to 11 can be implemented.

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