Synchronization signal block transmission time determination method and device and readable storage medium

Abstract

The invention provides a synchronization signal block transmission time determination method and device and a readable storage medium, and the method comprises the steps: receiving configuration information sent by a network device, the configuration information being used for indicating at least one of the following items: a synchronization signal block SSB transmission period, time offset of SSB transmission, reference time of SSB transmission, and start time of SSB transmission; when the configuration information comprises starting time of SSB transmission, determining a time domain position of SSB transmission of an auxiliary service cell according to the configuration information; and / or, according to the configuration information and transmission indication information, determining a time domain position of transmitting the SSB by the auxiliary serving cell, the transmission indication information being used for indicating a transmission state of the SSB. According to the method and the device, the time domain position of transmitting the SSB by the auxiliary service cell can be effectively determined, the terminal is prevented from blindly searching the SSB in the SSB period, and the power consumption of the terminal can be further reduced.

Description

Technical Field

[0001] This application relates to the field of communication technology, and in particular to a method, apparatus and readable storage medium for determining the transmission time of a synchronization signal block. Background Technology

[0002] Wireless mobile communication networks typically require the deployment of a large number of base stations, which usually operate 24 hours a day. Therefore, the base stations of mobile communication networks consume a lot of energy every day.

[0003] To reduce energy consumption and achieve green communication networks, energy-saving mechanisms have been introduced into wireless communication systems. When a user has a need, a secondary serving cell may transmit synchronization signal blocks (SSBs) with different configurations at different times, and the SSBs may not be transmitted continuously.

[0004] However, in the existing technology, the terminal cannot determine the time domain location of the secondary serving cell's transmitted SSB, resulting in blindly searching for the SSB and thus failing to reduce the terminal's power consumption. Summary of the Invention

[0005] This application provides a method, apparatus, and readable storage medium for determining the transmission time of a synchronization signal block, which solves the technical problem in the prior art that the time domain location of the secondary serving cell transmission SSB cannot be effectively determined, leading to blind SSB search and thus failing to reduce the power consumption of the terminal.

[0006] In a first aspect, this application provides a method for determining the transmission time of a synchronization signal block, applied to a terminal, the method comprising:

[0007] The system receives configuration information sent by a network device, the configuration information including at least one of the following: Synchronization Signal Block (SSB) transmission period, SSB transmission time offset, SSB transmission reference time, and SSB transmission start time.

[0008] When the configuration information includes the start time of SSB transmission, the time-domain location of the secondary serving cell transmitting the SSB is determined according to the configuration information; and / or, the time-domain location of the secondary serving cell transmitting the SSB is determined according to the configuration information and transmission indication information, wherein the transmission indication information is used to indicate the transmission status of the SSB.

[0009] In this embodiment, the terminal receives configuration information sent by the network device and can determine the temporal location of the secondary serving cell's SSB transmission by using configuration information including the start time of SSB transmission and / or configuration information combined with transmission indication information. This enables the terminal to effectively determine the temporal location of the secondary serving cell's SSB transmission by using configuration information including the start time of SSB transmission and / or configuration information combined with transmission indication information, avoiding the terminal blindly searching for SSBs during the SSB cycle and thus reducing the terminal's power consumption.

[0010] In some embodiments, the reference time for the SSB transmission includes any of the following:

[0011] Use the time of the reference community as the reference time;

[0012] Use the time of special communities as a reference time;

[0013] Using the time of the current secondary serving cell as a reference time, the current secondary serving cell is the secondary serving cell that is currently sending the SSB;

[0014] Before synchronization, the time of the special cell is used as the reference time, and after synchronization, the time of the current auxiliary service cell is used as the reference time.

[0015] Before synchronization, the time of the reference cell is used as the reference time, and after synchronization, the time of the current secondary service cell is used as the reference time.

[0016] In this embodiment, the reference time of SSB transmission can be used to determine which cell's time is used as the reference time for SSB transmission. Combined with the time offset and / or SSB transmission period in the configuration information, the start time and / or transmission indication information of SSB transmission in the configuration information can effectively determine the time domain location of the secondary serving cell transmitting SSB, avoiding the terminal from blindly searching for SSB within the SSB period, thereby reducing the terminal's power consumption.

[0017] In some embodiments, the start time of the SSB transmission is:

[0018] The start time of the first system frame number (SFN).

[0019] In this embodiment of the application, the start time of SSB transmission is taken as the start time of the first SFN, and the SSB transmission period and / or SSB transmission time offset in the configuration information, or the start time of SSB transmission is taken as the start time of the first SFN, and the SSB transmission period and / or SSB transmission time offset and SSB transmission reference time in the configuration information, the time domain location of the secondary serving cell transmitting SSB can be effectively determined, avoiding the terminal from blindly searching for SSB within the SSB period, thereby reducing the power consumption of the terminal.

[0020] In some embodiments, the time offset of the SSB transmission includes at least one of the following:

[0021] The time offset of the secondary serving cell and the special cell;

[0022] The time offset between the secondary serving cell and the reference cell;

[0023] The SSB time offset of the secondary serving cell.

[0024] In this embodiment, by using the time offset of SSB transmission and the SSB transmission period in the configuration information, combined with the start time and / or transmission indication information of SSB transmission, or by using the time offset of SSB transmission, the SSB transmission period in the configuration information, and the reference time of SSB transmission, combined with the start time and / or transmission indication information of SSB transmission, the time domain location of the secondary serving cell transmitting SSB can be effectively determined, avoiding the terminal from blindly searching for SSB within the SSB period, thereby reducing the power consumption of the terminal.

[0025] In some embodiments, the unit of the time offset of the SSB transmission is any one of the following:

[0026] Millisecond level;

[0027] Time slot level;

[0028] Symbol level.

[0029] In some embodiments, the SSB time offset of the secondary serving cell includes at least one of the following:

[0030] The first time offset between the SSB of the secondary serving cell and the SSB defined in the cell;

[0031] The second time offset between the SSB of the secondary serving cell and the SSB that is always transmitted;

[0032] The time offset of the SSB with the secondary serving cell as the time reference;

[0033] The time offset of the SSB with the special cell as the time reference;

[0034] The time offset of the SSB with the reference cell as the time reference.

[0035] In some embodiments, the first time offset is:

[0036] The transmission time of the first SSB is a time offset that is later than the transmission time of the SSB defined by the first cell, or the transmission time of the first SSB is a time offset that is earlier than the transmission time of the SSB defined by the first cell; wherein, the SSB defined by the first cell is the SSB defined by the M1th cell where SFN equals N1, and N1 and MI are both greater than or equal to 0, and N1 and MI are both integers.

[0037] In some embodiments, the second time offset is:

[0038] The time offset when the transmission time of the first SSB is later than the transmission time of the always transmitted SSB; or the time offset when the transmission time of the first SSB is earlier than the transmission time of the always transmitted SSB.

[0039] Wherein, the always transmitted SSB is the M2th always transmitted SSB where SFN equals N2, where N2 and M2 are both greater than or equal to 0, and where N2 and M2 are both integers.

[0040] In some embodiments, if the configuration information includes multiple SSB transmission periods and / or multiple SSB transmission time offsets; determining the time domain location of the secondary serving cell transmitting SSBs based on the configuration information and transmission indication information includes:

[0041] Based on the transmission indication information, determine the SSB transmission period to be used and / or the time offset of the SSB transmission from the configuration information;

[0042] The time-domain location of the SSB transmission in the secondary serving cell is determined based on the SSB transmission period to be used and / or the time offset of the SSB transmission.

[0043] In this embodiment of the application, if the configuration information includes multiple SSB transmission cycles and / or multiple SSB transmission time offsets, the SSB transmission cycle to be used and / or the SSB transmission time offset can be selected from the configuration information through the transmission indication information, thereby determining the time domain location of the secondary serving cell transmitting SSBs, avoiding the terminal from blindly searching for SSBs within the SSB cycle, and thus reducing the power consumption of the terminal.

[0044] In some embodiments, the method further includes:

[0045] Determine the start time for SSB transmission;

[0046] The start time of the SSB transmission includes at least one of the following:

[0047] The start time of the SSB transmission as indicated by the network device;

[0048] The time at which the transmission indication information is received;

[0049] The time to wait for the terminal to process the signal after receiving the transmission indication information;

[0050] The start time of the SFN closest to receiving the transmission indication information;

[0051] The start time of the next SFN after receiving the transmission indication information;

[0052] The start time of the previous SFN from which the transmission indication information was received;

[0053] The start time of the SSB closest to receiving the transmission indication information is always the start time of the transmission.

[0054] The start time of the next always-transmitting SSB after receiving the transmission indication information;

[0055] The time elapsed since the start of the previous SSB that received the transmission indication information is always the time elapsed before the transmission begins.

[0056] In this embodiment of the application, during the process of determining the time domain location of the secondary serving cell's SSB transmission, the start time of SSB transmission is determined, thereby determining the transmission of the SSB. This can prevent the terminal from blindly searching for the SSB during the SSB cycle, thereby reducing the terminal's power consumption.

[0057] In some embodiments, after receiving the time offset of the SSB transmission, the calculation method for the time offset of the SSB transmission includes at least one of the following:

[0058] When the time of a special cell is used as a reference time, and the SSB time offset of the secondary serving cell is the time offset of the SSB occurrence with the special cell as the time reference, the time offset of the SSB transmission is equal to the time offset of the SSB occurrence with the special cell as the time reference.

[0059] When the time of a special cell is used as a reference time, and the SSB time offset of the secondary serving cell is the time offset of the SSB occurrence with the secondary serving cell as the time reference, the time offset of the SSB transmission is equal to the sum of the time offsets of the secondary serving cell and the special cell and the time offset of the SSB occurrence with the secondary serving cell as the time reference.

[0060] When the time of the reference cell is used as the reference time, and the SSB time offset of the secondary serving cell is the time offset of the occurrence of the SSB with the reference cell as the time reference, the time offset of the SSB transmission is equal to the time offset of the occurrence of the SSB with the reference cell as the time reference.

[0061] When the time of the reference cell is used as the reference time, and the SSB time offset of the secondary serving cell is the time offset of the SSB occurrence with the secondary serving cell as the time reference, the time offset of the SSB transmission is equal to the sum of the time offsets of the secondary serving cell and the reference cell and the time offset of the SSB occurrence with the secondary serving cell as the time reference.

[0062] When the time of the secondary serving cell is used as a reference time, and the SSB time offset of the secondary serving cell is the time offset of the occurrence of the SSB with the secondary serving cell as the time reference, the time offset of the SSB transmission is equal to the time offset of the occurrence of the SSB with the secondary serving cell as the time reference.

[0063] When the time of a special cell is used as the reference time, and the SSB time offset of the secondary serving cell is the first time offset, and the SSB defined by the cell is used as the reference time of the special cell, then the time offset of the SSB transmission is equal to the sum of the first time offset and the time offset of the SSB defined by the cell; or, when the time of a special cell is used as the reference time, and the SSB time offset of the secondary serving cell is the second time offset, and the SSB always transmitted is used as the reference time of the special cell, then the time offset of the SSB transmission is equal to the sum of the second time offset and the time offset of the SSB always transmitted.

[0064] When the time of a special cell is used as the reference time, and the SSB time offset of the secondary serving cell is the first time offset, and the SSB defined by the cell is referenced by the time of the secondary serving cell, the time offset of the SSB transmission is equal to the sum of the time offsets of the secondary serving cell and the special cell, the first time offset, and the time offset of the SSB defined by the cell; or, when the time of a special cell is used as the reference time, and the SSB time offset of the secondary serving cell is the second time offset, and the SSB always transmitted is referenced by the time of the secondary serving cell, the time offset of the SSB transmission is equal to the sum of the time offsets of the secondary serving cell and the special cell, the second time offset, and the time offset of the SSB always transmitted.

[0065] When the reference cell's time is used as the reference time, and the secondary serving cell's SSB time offset is the first time offset, and the cell-defined SSB uses the reference cell's time as the reference time, the SSB transmission time offset is equal to the sum of the first time offset and the cell-defined SSB time offset; or, when the reference cell's time is used as the reference time, and the secondary serving cell's SSB time offset is the second time offset, and the always transmitted SSB uses the reference cell's time as the reference time, the SSB transmission time offset is equal to the sum of the second time offset and the always transmitted SSB time offset;

[0066] When the reference cell's time is used as the reference time, and the secondary serving cell's SSB time offset is the first time offset, and the cell-defined SSB uses the secondary serving cell's time as the reference time, the SSB transmission time offset is equal to the sum of the time offsets of the secondary serving cell and the reference cell, the first time offset, and the cell-defined SSB's time offset; or, when the reference cell's time is used as the reference time, and the secondary serving cell's SSB time offset is the second time offset, and the always transmitted SSB uses the secondary serving cell's time as the reference time, the SSB transmission time offset is equal to the sum of the time offsets of the secondary serving cell and the reference cell, the second time offset, and the always transmitted SSB's time offset;

[0067] When the time of the secondary serving cell is used as the reference time, and the SSB time offset of the secondary serving cell is the first time offset, and the SSB defined by the cell is used as the reference time of the secondary serving cell, the time offset of the SSB transmission is equal to the sum of the first time offset and the time offset of the SSB defined by the cell; or, when the time of the secondary serving cell is used as the reference time, and the SSB time offset of the secondary serving cell is the second time offset, and the SSB always transmitted is used as the reference time of the secondary serving cell, the time offset of the SSB transmission is equal to the sum of the second time offset and the time offset of the SSB always transmitted.

[0068] In this embodiment, the calculation of the time offset of SSB transmission can be implemented in one or more of the above methods. The time offset of the SSB transmission to be used is determined, and then the SSB transmission period in the configuration information, as well as the start time and / or transmission indication information of the SSB transmission, or the SSB transmission period in the configuration information, the reference time of the SSB transmission, and the start time and / or transmission indication information of the SSB transmission are used to determine the time domain position of the secondary serving cell transmitting the SSB, so as to avoid the terminal blindly searching for the SSB within the SSB period, thereby reducing the power consumption of the terminal.

[0069] In some embodiments, if the reference time is taken as the reference cell time, the configuration information further includes at least one of the following:

[0070] Frequency and Physical Cell Identifier (PCI);

[0071] Ancillary service cell index;

[0072] Community Global Identifier (CGI).

[0073] In some embodiments, the first SFN is any one of the following:

[0074] The pre-configured SFN sequence number, where SFN equals N4, and N4 is greater than or equal to 0;

[0075] The terminal receives the N3rd SFN after receiving the transmission indication information sent by the network device, wherein N3 is configured by the network device, N3 is greater than or equal to 0, and N3 is an integer.

[0076] In some embodiments, the configuration information includes at least one of the following:

[0077] The information added to the auxiliary service cell;

[0078] Information regarding the SSB configuration of the secondary serving cell;

[0079] Information about the configuration of the measurement object.

[0080] In some embodiments, the transmission indication information is used to indicate whether the transmission status of the SSB is active or in a transmission state.

[0081] Secondly, this application provides a method for determining the transmission time of a synchronization signal block, applied to a network device, the method comprising:

[0082] The terminal is sent configuration information and transmission indication information, wherein the transmission indication information is used to indicate the SSB transmission status; wherein the configuration information is used to determine the time domain location of the secondary serving cell transmitting the SSB based on the transmission indication information; and / or,

[0083] Send configuration information containing the start time of the SSB transmission to the terminal, wherein the configuration information is used to determine the time domain location of the secondary serving cell transmitting the SSB;

[0084] The configuration information includes at least one of the following: the synchronization signal block (SSB) transmission period, the SSB transmission time offset, the SSB transmission reference time, and the SSB transmission start time.

[0085] In this embodiment of the application, the network device can send configuration information including the start time of SSB transmission, and / or configuration information and transmission indication information to the terminal, so that the terminal can effectively determine the time domain location of the secondary serving cell transmitting SSB through the configuration information, and / or the configuration information combined with the transmission indication information, thereby avoiding the terminal blindly searching for SSB during the SSB period and reducing the power consumption of the terminal.

[0086] In some embodiments, the reference time for the SSB transmission includes any of the following:

[0087] Use the time of the reference community as the reference time;

[0088] Use the time of special communities as a reference time;

[0089] Using the time of the current secondary serving cell as a reference time, the current secondary serving cell is the secondary serving cell that is currently sending the SSB;

[0090] Before synchronization, the time of the special cell is used as the reference time, and after synchronization, the time of the current auxiliary service cell is used as the reference time.

[0091] Before synchronization, the time of the reference cell is used as the reference time, and after synchronization, the time of the current secondary service cell is used as the reference time.

[0092] In some embodiments, the start time of the SSB transmission is:

[0093] The start time of the first system frame number (SFN).

[0094] In some embodiments, the time offset of the SSB transmission includes at least one of the following:

[0095] The time offset of the secondary serving cell and the special cell;

[0096] The time offset between the secondary serving cell and the reference cell;

[0097] The SSB time offset of the secondary serving cell.

[0098] In some embodiments, the unit of the time offset of the SSB transmission is any one of the following:

[0099] Millisecond level;

[0100] Time slot level;

[0101] Symbol level.

[0102] In some embodiments, the SSB time offset of the secondary serving cell includes at least one of the following:

[0103] The first time offset between the SSB of the secondary serving cell and the SSB defined in the cell;

[0104] The second time offset between the SSB of the secondary serving cell and the SSB that is always transmitted;

[0105] The time offset of the SSB with the secondary serving cell as the time reference;

[0106] The time offset of the SSB with the special cell as the time reference;

[0107] The time offset of the SSB with the reference cell as the time reference.

[0108] In some embodiments, the first time offset is:

[0109] The transmission time of the first SSB is a time offset that is later than the transmission time of the SSB defined by the first cell, or the transmission time of the first SSB is a time offset that is earlier than the transmission time of the SSB defined by the first cell; wherein, the SSB defined by the first cell is the SSB defined by the M1th cell where SFN equals N1, and N1 and MI are both greater than or equal to 0, and N1 and MI are both integers.

[0110] In some embodiments, the second time offset is:

[0111] The transmission time of the first SSB is later than the transmission time of the always transmitted SSB by a time offset, or the transmission time of the first SSB is earlier than the transmission time of the always transmitted SSB by a time offset; wherein, the always transmitted SSB is the M2th always transmitted SSB with SFN equal to N2, where N2 and M2 are both greater than or equal to 0, and N2 and M2 are both integers.

[0112] In some embodiments, if the reference time is taken as the reference cell time, the configuration information further includes at least one of the following:

[0113] Frequency and Physical Cell Identifier (PCI);

[0114] Ancillary service cell index;

[0115] Community Global Identifier (CGI).

[0116] In some embodiments, the first SFN is any one of the following:

[0117] The pre-configured SFN sequence number, where SFN equals N4, and N4 is greater than or equal to 0;

[0118] The terminal receives the N3rd SFN after receiving the transmission indication information sent by the network device, wherein N3 is configured by the network device, N3 is greater than or equal to 0, and N3 is an integer.

[0119] In some embodiments, the configuration information includes at least one of the following:

[0120] The information added to the auxiliary service cell;

[0121] Information regarding the SSB configuration of the secondary serving cell;

[0122] Information about the configuration of the measurement object.

[0123] In some embodiments, the transmission indication information is used to indicate whether the transmission status of the SSB is active or in a transmission state.

[0124] Thirdly, this application provides a device for determining the transmission time of a synchronization signal block. The device is applied to a terminal and includes a memory, a transceiver, and a processor.

[0125] A memory for storing computer programs; a transceiver for sending and receiving data under the control of the processor; and a processor for reading the computer programs from the memory and performing the following operations:

[0126] The system receives configuration information sent by a network device, the configuration information including at least one of the following: Synchronization Signal Block (SSB) transmission period, SSB transmission time offset, SSB transmission reference time, and SSB transmission start time.

[0127] When the configuration information includes the start time of SSB transmission, the time-domain location of the secondary serving cell transmitting the SSB is determined according to the configuration information; and / or, the time-domain location of the secondary serving cell transmitting the SSB is determined according to the configuration information and transmission indication information, wherein the transmission indication information is used to indicate the transmission status of the SSB.

[0128] In some embodiments, the reference time for the SSB transmission includes any of the following:

[0129] Use the time of the reference community as the reference time;

[0130] Use the time of special communities as a reference time;

[0131] Using the time of the current secondary serving cell as a reference time, the current secondary serving cell is the secondary serving cell that is currently sending the SSB;

[0132] Before synchronization, the time of the special cell is used as the reference time, and after synchronization, the time of the current auxiliary service cell is used as the reference time.

[0133] Before synchronization, the time of the reference cell is used as the reference time, and after synchronization, the time of the current secondary service cell is used as the reference time.

[0134] In some embodiments, the start time of the SSB transmission is:

[0135] The start time of the first system frame number (SFN).

[0136] In some embodiments, the time offset of the SSB transmission includes at least one of the following:

[0137] The time offset of the secondary serving cell and the special cell;

[0138] The time offset between the secondary serving cell and the reference cell;

[0139] The SSB time offset of the secondary serving cell.

[0140] In some embodiments, the unit of the time offset of the SSB transmission is any one of the following:

[0141] Millisecond level;

[0142] Time slot level;

[0143] Symbol level.

[0144] In some embodiments, the SSB time offset of the secondary serving cell includes at least one of the following:

[0145] The first time offset between the SSB of the secondary serving cell and the SSB defined in the cell;

[0146] The second time offset between the SSB of the secondary serving cell and the SSB that is always transmitted;

[0147] The time offset of the SSB with the secondary serving cell as the time reference;

[0148] The time offset of the SSB with the special cell as the time reference;

[0149] The time offset of the SSB with the reference cell as the time reference.

[0150] In some embodiments, the first time offset is:

[0151] The transmission time of the first SSB is a time offset that is later than the transmission time of the SSB defined by the first cell, or the transmission time of the first SSB is a time offset that is earlier than the transmission time of the SSB defined by the first cell; wherein, the SSB defined by the first cell is the SSB defined by the M1th cell where SFN equals N1, and N1 and MI are both greater than or equal to 0, and N1 and MI are both integers.

[0152] In some embodiments, the second time offset is:

[0153] The time offset when the transmission time of the first SSB is later than the transmission time of the always transmitted SSB; or the time offset when the transmission time of the first SSB is earlier than the transmission time of the always transmitted SSB.

[0154] Wherein, the always transmitted SSB is the M2th always transmitted SSB where SFN equals N2, where N2 and M2 are both greater than or equal to 0, and where N2 and M2 are both integers.

[0155] In some embodiments, if the configuration information includes multiple SSB transmission periods and / or multiple SSB transmission time offsets; the processor, when determining the time-domain location of the secondary serving cell transmitting an SSB based on the configuration information and transmission indication information, specifically includes:

[0156] Based on the transmission indication information, determine the SSB transmission period to be used and / or the time offset of the SSB transmission from the configuration information;

[0157] The time-domain location of the SSB transmission in the secondary serving cell is determined based on the SSB transmission period to be used and / or the time offset of the SSB transmission.

[0158] In some embodiments, the processor is further configured to perform the following operations:

[0159] Determine the start time for SSB transmission;

[0160] The start time of the SSB transmission includes at least one of the following:

[0161] The start time of the SSB transmission as indicated by the network device;

[0162] The time at which the transmission indication information is received;

[0163] The time to wait for the terminal to process the signal after receiving the transmission indication information;

[0164] The start time of the SFN closest to receiving the transmission indication information;

[0165] The start time of the next SFN after receiving the transmission indication information;

[0166] The start time of the previous SFN from which the transmission indication information was received;

[0167] The start time of the SSB closest to receiving the transmission indication information is always the start time of the transmission.

[0168] The start time of the next always-transmitting SSB after receiving the transmission indication information;

[0169] The time elapsed since the start of the previous SSB that received the transmission indication information is always the time elapsed before the transmission begins.

[0170] In some embodiments, after receiving the time offset of the SSB transmission, the calculation method for the time offset of the SSB transmission includes at least one of the following:

[0171] When the time of a special cell is used as a reference time, and the SSB time offset of the secondary serving cell is the time offset of the SSB occurrence with the special cell as the time reference, the time offset of the SSB transmission is equal to the time offset of the SSB occurrence with the special cell as the time reference.

[0172] When the time of a special cell is used as a reference time, and the SSB time offset of the secondary serving cell is the time offset of the SSB occurrence with the secondary serving cell as the time reference, the time offset of the SSB transmission is equal to the sum of the time offsets of the secondary serving cell and the special cell and the time offset of the SSB occurrence with the secondary serving cell as the time reference.

[0173] When the time of the reference cell is used as the reference time, and the SSB time offset of the secondary serving cell is the time offset of the occurrence of the SSB with the reference cell as the time reference, the time offset of the SSB transmission is equal to the time offset of the occurrence of the SSB with the reference cell as the time reference.

[0174] When the time of the reference cell is used as the reference time, and the SSB time offset of the secondary serving cell is the time offset of the SSB occurrence with the secondary serving cell as the time reference, the time offset of the SSB transmission is equal to the sum of the time offsets of the secondary serving cell and the reference cell and the time offset of the SSB occurrence with the secondary serving cell as the time reference.

[0175] When the time of the secondary serving cell is used as a reference time, and the SSB time offset of the secondary serving cell is the time offset of the occurrence of the SSB with the secondary serving cell as the time reference, the time offset of the SSB transmission is equal to the time offset of the occurrence of the SSB with the secondary serving cell as the time reference.

[0176] When the time of a special cell is used as the reference time, and the SSB time offset of the secondary serving cell is the first time offset, and the SSB defined by the cell is used as the reference time of the special cell, then the time offset of the SSB transmission is equal to the sum of the first time offset and the time offset of the SSB defined by the cell; or, when the time of a special cell is used as the reference time, and the SSB time offset of the secondary serving cell is the second time offset, and the SSB always transmitted is used as the reference time of the special cell, then the time offset of the SSB transmission is equal to the sum of the second time offset and the time offset of the SSB always transmitted.

[0177] When the time of a special cell is used as the reference time, and the SSB time offset of the secondary serving cell is the first time offset, and the SSB defined by the cell is referenced by the time of the secondary serving cell, the time offset of the SSB transmission is equal to the sum of the time offsets of the secondary serving cell and the special cell, the first time offset, and the time offset of the SSB defined by the cell; or, when the time of a special cell is used as the reference time, and the SSB time offset of the secondary serving cell is the second time offset, and the SSB always transmitted is referenced by the time of the secondary serving cell, the time offset of the SSB transmission is equal to the sum of the time offsets of the secondary serving cell and the special cell, the second time offset, and the time offset of the SSB always transmitted.

[0178] When the reference cell's time is used as the reference time, and the secondary serving cell's SSB time offset is the first time offset, and the cell-defined SSB uses the reference cell's time as the reference time, the SSB transmission time offset is equal to the sum of the first time offset and the cell-defined SSB time offset; or, when the reference cell's time is used as the reference time, and the secondary serving cell's SSB time offset is the second time offset, and the always transmitted SSB uses the reference cell's time as the reference time, the SSB transmission time offset is equal to the sum of the second time offset and the always transmitted SSB time offset;

[0179] When the reference cell's time is used as the reference time, and the secondary serving cell's SSB time offset is the first time offset, and the cell-defined SSB uses the secondary serving cell's time as the reference time, the SSB transmission time offset is equal to the sum of the time offsets of the secondary serving cell and the reference cell, the first time offset, and the cell-defined SSB's time offset; or, when the reference cell's time is used as the reference time, and the secondary serving cell's SSB time offset is the second time offset, and the always transmitted SSB uses the secondary serving cell's time as the reference time, the SSB transmission time offset is equal to the sum of the time offsets of the secondary serving cell and the reference cell, the second time offset, and the always transmitted SSB's time offset;

[0180] When the time of the secondary serving cell is used as the reference time, and the SSB time offset of the secondary serving cell is the first time offset, and the SSB defined by the cell is used as the reference time of the secondary serving cell, the time offset of the SSB transmission is equal to the sum of the first time offset and the time offset of the SSB defined by the cell; or, when the time of the secondary serving cell is used as the reference time, and the SSB time offset of the secondary serving cell is the second time offset, and the SSB always transmitted is used as the reference time of the secondary serving cell, the time offset of the SSB transmission is equal to the sum of the second time offset and the time offset of the SSB always transmitted.

[0181] In some embodiments, if the reference time is taken as the reference cell time, the configuration information further includes at least one of the following:

[0182] Frequency and Physical Cell Identifier (PCI);

[0183] Ancillary service cell index;

[0184] Community Global Identifier (CGI).

[0185] In some embodiments, the first SFN is any one of the following:

[0186] The pre-configured SFN sequence number, where SFN equals N4, and N4 is greater than or equal to 0;

[0187] The terminal receives the N3rd SFN after receiving the transmission indication information sent by the network device, wherein N3 is configured by the network device, N3 is greater than or equal to 0, and N3 is an integer.

[0188] In some embodiments, the configuration information includes at least one of the following:

[0189] The information added to the auxiliary service cell;

[0190] Information regarding the SSB configuration of the secondary serving cell;

[0191] Information about the configuration of the measurement object.

[0192] In some embodiments, the transmission indication information is used to indicate whether the transmission status of the SSB is active or in a transmission state.

[0193] Fourthly, this application provides a device for determining the transmission time of a synchronization signal block. The device is applied to a network device and includes: a memory, a transceiver, and a processor.

[0194] A memory for storing computer programs; a transceiver for sending and receiving data under the control of the processor; and a processor for reading the computer programs from the memory and performing the following operations:

[0195] The terminal is sent configuration information and transmission indication information, wherein the transmission indication information is used to indicate the SSB transmission status; wherein the configuration information is used to determine the time domain location of the secondary serving cell transmitting the SSB based on the transmission indication information; and / or,

[0196] Send configuration information containing the start time of the SSB transmission to the terminal, wherein the configuration information is used to determine the time domain location of the secondary serving cell transmitting the SSB;

[0197] The configuration information includes at least one of the following: the synchronization signal block (SSB) transmission period, the SSB transmission time offset, the SSB transmission reference time, and the SSB transmission start time.

[0198] In some embodiments, the reference time for the SSB transmission includes any of the following:

[0199] Use the time of the reference community as the reference time;

[0200] Use the time of special communities as a reference time;

[0201] Using the time of the current secondary serving cell as a reference time, the current secondary serving cell is the secondary serving cell that is currently sending the SSB;

[0202] Before synchronization, the time of the special cell is used as the reference time, and after synchronization, the time of the current auxiliary service cell is used as the reference time.

[0203] Before synchronization, the time of the reference cell is used as the reference time, and after synchronization, the time of the current secondary service cell is used as the reference time.

[0204] In some embodiments, the start time of the SSB transmission is:

[0205] The start time of the first system frame number (SFN).

[0206] In some embodiments, the time offset of the SSB transmission includes at least one of the following:

[0207] The time offset of the secondary serving cell and the special cell;

[0208] The time offset between the secondary serving cell and the reference cell;

[0209] The SSB time offset of the secondary serving cell.

[0210] In some embodiments, the unit of the time offset of the SSB transmission is any one of the following:

[0211] Millisecond level;

[0212] Time slot level;

[0213] Symbol level.

[0214] In some embodiments, the SSB time offset of the secondary serving cell includes at least one of the following:

[0215] The first time offset between the SSB of the secondary serving cell and the SSB defined in the cell;

[0216] The second time offset between the SSB of the secondary serving cell and the SSB that is always transmitted;

[0217] The time offset of the SSB with the secondary serving cell as the time reference;

[0218] The time offset of the SSB with the special cell as the time reference;

[0219] The time offset of the SSB with the reference cell as the time reference.

[0220] In some embodiments, the first time offset is:

[0221] The transmission time of the first SSB is a time offset that is later than the transmission time of the SSB defined by the first cell, or the transmission time of the first SSB is a time offset that is earlier than the transmission time of the SSB defined by the first cell; wherein, the SSB defined by the first cell is the SSB defined by the M1th cell where SFN equals N1, and N1 and MI are both greater than or equal to 0, and N1 and MI are both integers.

[0222] In some embodiments, the second time offset is:

[0223] The transmission time of the first SSB is later than the transmission time of the always transmitted SSB by a time offset, or the transmission time of the first SSB is earlier than the transmission time of the always transmitted SSB by a time offset; wherein, the always transmitted SSB is the M2th always transmitted SSB with SFN equal to N2, where N2 and M2 are both greater than or equal to 0, and N2 and M2 are both integers.

[0224] In some embodiments, if the reference time is taken as the reference cell time, the configuration information further includes at least one of the following:

[0225] Frequency and Physical Cell Identifier (PCI);

[0226] Ancillary service cell index;

[0227] Community Global Identifier (CGI).

[0228] In some embodiments, the first SFN is any one of the following:

[0229] The pre-configured SFN sequence number, where SFN equals N4, and N4 is greater than or equal to 0;

[0230] The terminal receives the N3rd SFN after receiving the transmission indication information sent by the network device, wherein N3 is configured by the network device, N3 is greater than or equal to 0, and N3 is an integer.

[0231] In some embodiments, the configuration information includes at least one of the following:

[0232] The information added to the auxiliary service cell;

[0233] Information regarding the SSB configuration of the secondary serving cell;

[0234] Information about the configuration of the measurement object.

[0235] In some embodiments, the transmission indication information is used to indicate whether the transmission status of the SSB is active or in a transmission state.

[0236] Fifthly, this application provides a device for determining the transmission time of a synchronization signal block, the device being applied to a terminal, the device comprising:

[0237] The receiving unit is used to receive configuration information sent by the network device. The configuration information includes at least one of the following: the synchronization signal block (SSB) transmission period, the SSB transmission time offset, the SSB transmission reference time, and the SSB transmission start time.

[0238] The processing unit is configured to, when the configuration information includes the start time of SSB transmission, determine the time-domain location of the secondary serving cell transmitting the SSB based on the configuration information; and / or, determine the time-domain location of the secondary serving cell transmitting the SSB based on the configuration information and transmission indication information, wherein the transmission indication information is used to indicate the transmission status of the SSB.

[0239] Sixthly, this application provides a device for determining the transmission time of a synchronization signal block, the device being applied to a network device, the device comprising:

[0240] A sending unit is configured to send configuration information and transmission indication information to the terminal, wherein the transmission indication information is used to indicate the SSB transmission status; wherein the configuration information is used to determine the time-domain location of the secondary serving cell transmitting the SSB based on the transmission indication information; and / or,

[0241] The sending unit is configured to send configuration information containing the start time of the SSB transmission to the terminal, wherein the configuration information is used to determine the time domain location of the secondary serving cell transmitting the SSB.

[0242] The configuration information includes at least one of the following: the synchronization signal block (SSB) transmission period, the SSB transmission time offset, the SSB transmission reference time, and the SSB transmission start time.

[0243] In a seventh aspect, this application provides a non-transitory readable storage medium storing a computer program for causing a processor to execute the method described in any of the preceding claims.

[0244] This application provides a method, apparatus, and readable storage medium for determining the transmission time of a synchronization signal block (SSB). A terminal receives configuration information sent by a network device and can determine the temporal location of the secondary serving cell's SSB transmission by using configuration information including the start time of SSB transmission and / or configuration information combined with transmission indication information. This enables the terminal to effectively determine the temporal location of the secondary serving cell's SSB transmission using configuration information including the start time of SSB transmission and / or configuration information combined with transmission indication information, avoiding blindly searching for SSBs within the SSB cycle and thus reducing the terminal's power consumption.

[0245] It should be understood that the content described in the foregoing summary section is not intended to limit the key or essential features of the embodiments of this application, nor is it intended to limit the scope of this application. Other features of this application will become readily apparent from the following description. Attached Figure Description

[0246] To more clearly illustrate the technical solutions in this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0247] Figure 1 A flowchart illustrating the method for determining the transmission time of a synchronization signal block provided in an embodiment of this application;

[0248] Figure 2 Interactive illustration of the method for determining the transmission time of the synchronization signal block provided in the embodiments of this application. Figure 1 ;

[0249] Figure 3 Interactive illustration of the method for determining the transmission time of the synchronization signal block provided in the embodiments of this application. Figure 2 ;

[0250] Figure 4 A flowchart illustrating a method for determining the transmission time of a synchronization signal block, provided in yet another embodiment of this application;

[0251] Figure 5 Schematic diagram of the structure of the synchronization signal block transmission time determination device provided in the embodiments of this application Figure 1 ;

[0252] Figure 6 Schematic diagram of the structure of the synchronization signal block transmission time determination device provided in the embodiments of this application Figure 2 ;

[0253] Figure 7 Schematic diagram of the structure of the synchronization signal block transmission time determination device provided in the embodiments of this application Figure 3 ;

[0254] Figure 8 Schematic diagram of the structure of the synchronization signal block transmission time determination device provided in the embodiments of this application Figure 4 . Detailed Implementation

[0255] In this embodiment of the invention, the term "and / or" describes the relationship between associated objects, indicating that three relationships can exist. For example, A and / or B can represent: A existing alone, A and B existing simultaneously, or B existing alone. The character " / " generally indicates that the preceding and following associated objects have an "or" relationship.

[0256] In the embodiments of this application, the term "multiple" refers to two or more, and other quantifiers are similar.

[0257] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of the embodiments. Based on the embodiments of this application, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of this application.

[0258] This application provides a method and apparatus for determining the transmission time of a synchronization signal block (SSB). The network device provides configuration information to the terminal, and / or configuration information and transmission indication information. The terminal can effectively determine the time domain location of the secondary serving cell's SSB transmission by using configuration information that includes the start time of SSB transmission, and / or configuration information combined with transmission indication information. This avoids the terminal blindly searching for SSBs during the SSB cycle, thereby reducing the terminal's power consumption.

[0259] The method and apparatus are based on the same concept of the application. Since the methods and apparatus solve problems in similar ways, the implementation of the apparatus and methods can refer to each other, and the repeated parts will not be described again.

[0260] Embodiments of this application will now be described with reference to the accompanying drawings. Where there is no conflict between the embodiments, the following embodiments and features can be combined with each other. Furthermore, the timing of the steps in the following method embodiments is merely an example and not a strict limitation.

[0261] See Figure 1 As shown, Figure 1 This is a flowchart illustrating the method for determining the transmission time of a synchronization signal block provided in this embodiment. The execution subject of the method for determining the transmission time of a synchronization signal block provided in this embodiment is a terminal, such as a user equipment (UE) or the user side. The method for determining the transmission time of a synchronization signal block is described in detail below.

[0262] The method for determining the transmission time of the synchronization signal block provided in this application includes the following steps:

[0263] Step 101: Receive configuration information sent by the network device. The configuration information includes at least one of the following: Synchronization Signal Block (SSB) transmission period, SSB transmission time offset, SSB transmission reference time, and SSB transmission start time.

[0264] Step 102: When the configuration information includes the start time of SSB transmission, determine the time domain location of the secondary serving cell transmitting the SSB according to the configuration information; and / or, determine the time domain location of the secondary serving cell transmitting the SSB according to the configuration information and transmission indication information, wherein the transmission indication information is used to indicate the transmission status of the SSB.

[0265] In this embodiment, the terminal receives configuration information sent by the network device and can determine the temporal location of the secondary serving cell's SSB transmission by using configuration information including the start time of SSB transmission and / or configuration information combined with transmission indication information. This enables the terminal to effectively determine the temporal location of the secondary serving cell's SSB transmission by using configuration information including the start time of SSB transmission and / or configuration information combined with transmission indication information, avoiding the terminal blindly searching for SSBs during the SSB cycle and thus reducing the terminal's power consumption.

[0266] When the configuration information includes the start time of SSB transmission, it can be understood as: when the configuration information includes the start time of SSB transmission. Further details will not be elaborated below.

[0267] In some embodiments, the configuration information includes: SSB transmission period, SSB transmission time offset; and the time domain location of the secondary serving cell transmitting SSB is determined based on the configuration information and transmission indication information.

[0268] The configuration information includes: SSB transmission period, SSB transmission time offset, and SSB transmission start time; based on this configuration information, the time domain location of the secondary serving cell transmitting SSB is determined.

[0269] The configuration information includes: SSB transmission period and SSB transmission reference time; based on the configuration information and transmission indication information, the time domain location of the secondary serving cell transmitting SSB is determined.

[0270] The configuration information includes: SSB transmission period, SSB transmission reference time, and SSB transmission start time; based on this configuration information, the time domain location of the secondary serving cell transmitting SSB is determined.

[0271] The configuration information includes: SSB transmission period, SSB transmission time offset, and SSB transmission reference time; based on this configuration information and transmission indication information, the time domain location of the secondary serving cell transmitting SSB is determined.

[0272] The configuration information includes: SSB transmission period, SSB transmission time offset, SSB transmission reference time, and SSB transmission start time; based on this configuration information, the time domain location of the secondary serving cell transmitting SSB is determined.

[0273] Specifically, when the network side does not configure a time offset for SSB transmission, the time offset value for SSB transmission can be considered equal to 0. When the network side does not configure the transmission period of the secondary serving cell's SSB, the transmission period of the SSB can be considered equal to the transmission period of the always-transmitting SSB or equal to the transmission period of the SSB defined by the cell.

[0274] In some embodiments, the SSB transmission period refers to the period of SSB transmission, which may be equal to or different from the traditional period value. This patent does not limit this.

[0275] In this embodiment, by combining the SSB transmission period with the start time and / or transmission indication information of the SSB transmission, or by combining the SSB transmission period with the time offset of the SSB transmission and the start time and / or transmission indication information of the SSB transmission, or by combining the SSB transmission period with the time offset of the SSB transmission, the reference time of the SSB transmission and the start time and / or transmission indication information of the SSB transmission, the time domain location of the secondary serving cell transmitting the SSB can be effectively determined, avoiding the terminal blindly searching for the SSB within the SSB period, thereby reducing the power consumption of the terminal.

[0276] For example, when the user side receives configuration information from the network side (e.g., network devices, etc., which will not be elaborated below), the time-domain location of the secondary serving cell's SSB transmission can be determined in at least three ways:

[0277] Method 1: If the configuration information received by the user includes the start time of SSB transmission, the time domain location of the secondary serving cell transmitting SSB can be determined based on the configuration information without the need for transmission indication information.

[0278] For method 1, see Figure 2 As shown, Figure 2 Interactive illustration of the method for determining the transmission time of the synchronization signal block provided in the embodiments of this application. Figure 1 The method for determining the transmission time of the synchronization signal block includes the following steps:

[0279] Step 201: The network device sends configuration information to the terminal; wherein, the configuration information includes the start time of SSB transmission, and the configuration information also includes at least one of the following: the SSB transmission period of the synchronization signal block, the time offset of SSB transmission, and the reference time of SSB transmission.

[0280] Step 202: The terminal determines the time domain location of the secondary serving cell's SSB transmission based on the configuration information.

[0281] Method 2: After receiving the configuration information, the user side, upon receiving the transmission indication information (sent by the network side), determines the time domain location of the secondary serving cell's transmission SSB based on the configuration information and the transmission indication information.

[0282] For method 2, see Figure 3 As shown, Figure 3 Interactive illustration of the method for determining the transmission time of the synchronization signal block provided in the embodiments of this application. Figure 2 The method for determining the transmission time of the synchronization signal block includes the following steps:

[0283] Step 301: The network device sends configuration information to the terminal; wherein the configuration information includes at least one of the following: the synchronization signal block (SSB) transmission period, the SSB transmission time offset, and the SSB transmission reference time.

[0284] Step 302: The network device sends transmission indication information to the terminal; wherein, the transmission indication information is used to indicate the transmission status of the SSB;

[0285] Step 303: The terminal determines the time domain location of the secondary serving cell's SSB transmission based on the configuration information and transmission instruction information.

[0286] In this process, sending the configuration information in step 301 and sending the transmission indication information in step 302 can be done simultaneously or at different times. If the configuration information and transmission indication information are sent simultaneously, they can be carried by the same message or signaling, or they can be carried by different messages and / or different signaling, without any specific limitation. If the configuration information and transmission indication information are not sent simultaneously, the order of steps 301 and 302 is not specifically limited.

[0287] It should be noted that, Figure 2 and Figure 3 They can be implemented independently or in combination (for example, in method 3), and no specific restrictions are made here.

[0288] Method 3: If the configuration information received by the user side includes the start time of SSB transmission, the time domain location can be determined based solely on the configuration information. However, the network side may subsequently send transmission indication information. When the user side receives the transmission indication information, it can determine the time domain location of the secondary serving cell transmitting SSB based on the configuration information and the transmission indication information.

[0289] For method 3, the steps of determining the transmission time of the synchronization signal block include:

[0290] Step a1 is the same as step 201, that is, the network device sends configuration information to the terminal; wherein, the configuration information includes the start time of SSB transmission, and the configuration information also includes at least one of the following: synchronization signal block SSB transmission period, SSB transmission time offset, and SSB transmission reference time.

[0291] Step a2 is the same as step 202, that is, the terminal determines the time domain location of the secondary serving cell transmission SSB according to the configuration information.

[0292] Step a3 is the same as step 302, that is, the network device sends transmission indication information to the terminal; wherein, the transmission indication information is used to indicate the transmission status of SSB;

[0293] Step a4 is the same as step 303, that is, the terminal determines the time domain location of the secondary serving cell's SSB transmission based on the configuration information and transmission indication information.

[0294] In some embodiments, the transmission indication information is used to indicate whether the transmission status of the SSB is active or in a transmission state.

[0295] The transmission indication information can be indicated together with the SSB configuration information, or it can be indicated through Layer 1 or Layer 2 signaling, without any specific limitation here.

[0296] Optionally, the transmission indication information may indicate the transmission status of the SSB, or it may indicate the configuration index of the SSB (e.g., network-side configuration SSB index 1: period equals 40, time offset (e.g., offset value) equals 1; index 2: period equals 80, offset value equals 2). For example, the transmission indication information may indicate an index value, and the user side determines the SSB period and time offset based on the index value. For instance, the transmission indication information may further indicate 1, meaning the SSB period is 40 and the time offset is 1.

[0297] In some embodiments, the reference time for the SSB transmission includes any of the following:

[0298] Use the time of the reference community as the reference time;

[0299] Use the time of special communities as a reference time;

[0300] Using the time of the current secondary serving cell as a reference time, the current secondary serving cell is the secondary serving cell that is currently sending the SSB;

[0301] Before synchronization, the time of the special cell is used as the reference time, and after synchronization, the time of the current auxiliary service cell is used as the reference time.

[0302] Before synchronization, the time of the reference cell is used as the reference time, and after synchronization, the time of the current secondary service cell is used as the reference time.

[0303] A cell group consists of one Special Primary Cell (Spcell) and multiple Secondary Cells (Scells). The current secondary cell refers to the cell that sends SSBs (e.g., on-demand SSBs, which will not be elaborated further below). The reference cell refers to any other secondary cell besides the current one.

[0304] To reduce network-side power consumption, secondary serving cells may not send SSBs, or may send traditional sparse SSBs. The traditional sparse SSBs sent by the network side can be called always-on SSBs. When a user has a demand, the Scell ​​sends an on-demand SSB to meet the user's SSB requirements.

[0305] In some embodiments, the start time of the SSB transmission is:

[0306] The start time of the first system frame number (SFN).

[0307] In some embodiments, the first SFN is any one of the following:

[0308] The pre-configured SFN sequence number, where SFN equals N4, and N4 is greater than or equal to 0;

[0309] The terminal receives the N3rd SFN after receiving the transmission indication information sent by the network device, wherein N3 is configured by the network device, N3 is greater than or equal to 0, and N3 is an integer.

[0310] In this embodiment of the application, the first SFN is an SFN where SFN = 0. Here, SFN starts from 0.

[0311] Specifically, the start time of SSB transmission configured on the network side can be the first System Frame Number (SFN), a pre-configured SFN sequence number, or the N3rd SFN after receiving the transmission indication information; no specific limitation is made here.

[0312] In some embodiments, the time offset of the SSB transmission includes at least one of the following:

[0313] The time offset of the secondary serving cell and the special cell;

[0314] The time offset between the secondary serving cell and the reference cell;

[0315] The SSB time offset of the secondary serving cell.

[0316] In some embodiments, the unit of the time offset of the SSB transmission is any one of the following:

[0317] Millisecond level;

[0318] Time slot level;

[0319] Symbol level.

[0320] Specifically, the granularity of the time offset (e.g., offset value) configured on the network side for SSB transmission can be at the SFN level and / or subframe level and / or millisecond (ms) level and / or slot level and / or symbol level.

[0321] In some embodiments, the SSB time offset of the secondary serving cell includes at least one of the following:

[0322] The first time offset between the SSB of the secondary serving cell and the SSB defined in the cell;

[0323] The second time offset between the SSB of the secondary serving cell and the SSB that is always transmitted;

[0324] The time offset of the SSB with the secondary serving cell as the time reference;

[0325] The time offset of the SSB with the special cell as the time reference;

[0326] The time offset of the SSB with the reference cell as the time reference.

[0327] Among them, the cell-defined SSB (English: Cell-Defined SSB, abbreviated as CD-SSB): This SSB is specific to a certain cell and may contain some information related to the configuration of that cell.

[0328] Specifically, the SSB time offset of the secondary serving cell can be a time offset or a time offset. Here, the time offset can be the time offset between the secondary serving cell's SSB and the CD-SSB (e.g., the first time offset), or the time offset between the secondary serving cell's SSB and the always-on SSB (e.g., the second time offset); the time offset can also be the time offset of the SSB occurrence with a certain cell (e.g., secondary serving cell, special cell, reference cell, etc.) as the time reference.

[0329] In some embodiments, the first time offset is:

[0330] The transmission time of the first SSB is a time offset that is later than the transmission time of the SSB defined by the first cell, or the transmission time of the first SSB is a time offset that is earlier than the transmission time of the SSB defined by the first cell; wherein, the SSB defined by the first cell is the SSB defined by the M1th cell where SFN equals N1, and N1 and MI are both greater than or equal to 0, and N1 and MI are both integers.

[0331] Optional, MI is greater than or equal to 1.

[0332] Taking an On-demand SSB as an example, the time offset between the On-demand SSB and the CD-SSB is specified. For example, how much later / earlier is the transmission time of the first On-demand SSB compared to the transmission time of the first CD-SSB, the most recent CD-SSB, the preceding CD-SSB, or the following CD-SSB, or how much later / earlier is the transmission time of each On-demand SSB compared to the transmission time of the most recent CD-SSB, the preceding CD-SSB, or the following CD-SSB.

[0333] In some embodiments, the second time offset is:

[0334] The time offset when the transmission time of the first SSB is later than the transmission time of the always transmitted SSB; or the time offset when the transmission time of the first SSB is earlier than the transmission time of the always transmitted SSB.

[0335] Wherein, the always transmitted SSB is the M2th always transmitted SSB where SFN equals N2, where N2 and M2 are both greater than or equal to 0, and where N2 and M2 are both integers.

[0336] Optional, M2 is greater than or equal to 1.

[0337] Taking On-demand SSB as an example, the time offset between On-demand SSB and Always-on SSB is specified. For example, how much later / earlier is the transmission time of the first On-demand SSB compared to the first Always-on SSB, the most recent Always-on SSB, the previous Always-on SSB, or the next Always-on SSB? Or how much later / earlier is the transmission time of each On-demand SSB compared to the most recent Always-on SSB, the previous Always-on SSB, or the next Always-on SSB?

[0338] In some embodiments, if the configuration information includes multiple SSB transmission periods and / or multiple SSB transmission time offsets; determining the time domain location of the secondary serving cell transmitting SSBs based on the configuration information and transmission indication information includes:

[0339] Based on the transmission indication information, determine the SSB transmission period to be used and / or the time offset of the SSB transmission from the configuration information;

[0340] The time-domain location of the SSB transmission in the secondary serving cell is determined based on the SSB transmission period to be used and / or the time offset of the SSB transmission.

[0341] Taking the SSB as an On-demand SSB as an example, if there are multiple sets of SSB transmission time offsets and / or SSB transmission periods, the network side can pre-configure multiple sets of SSB transmission time offsets and / or SSB transmission periods. After receiving the transmission indication information, the user side determines the time offset and / or SSB transmission period of the SSB to be used through the transmission indication information, and then determines the time domain position of the on-demand SSB.

[0342] Specifically, if the configuration information includes multiple SSB transmission cycles and / or multiple SSB transmission time offsets, the SSB transmission cycle to be used and / or the SSB transmission time offset can be selected from the configuration information through the transmission indication information, thereby determining the time domain location of the secondary serving cell transmitting SSBs, avoiding the terminal blindly searching for SSBs within the SSB cycle, and thus reducing the terminal's power consumption.

[0343] In some embodiments, the method further includes:

[0344] Determine the start time for SSB transmission;

[0345] The start time of the SSB transmission includes at least one of the following:

[0346] The start time of the SSB transmission as indicated by the network device;

[0347] The time at which the transmission indication information is received;

[0348] The time to wait for the terminal to process the signal after receiving the transmission indication information;

[0349] The start time of the SFN closest to receiving the transmission indication information;

[0350] The start time of the next SFN after receiving the transmission indication information;

[0351] The start time of the previous SFN from which the transmission indication information was received;

[0352] The start time of the SSB closest to receiving the transmission indication information is always the start time of the transmission.

[0353] The start time of the next always-transmitting SSB after receiving the transmission indication information;

[0354] The time elapsed since the start of the previous SSB that received the transmission indication information is always the time elapsed before the transmission begins.

[0355] The time for the terminal to process signals can be configured by the network side.

[0356] In this embodiment of the application, during the process of determining the time domain location of the secondary serving cell's SSB transmission, the start time of SSB transmission is determined, thereby determining the transmission of the SSB. This can prevent the terminal from blindly searching for the SSB during the SSB cycle, thereby reducing the terminal's power consumption.

[0357] Specifically, the start effective time for SSB transmission is the time when the transmission indication information is received. This means: if the user side receives the transmission indication information within the transmission time domain position of the SSB, the user side considers that the SSB transmission begins (time domain position becomes effective) from the time the transmission indication information is received; or if the user side receives the transmission indication information within the transmission time domain position of the SSB, the user side considers that the SSB transmission begins from the transmission time domain position of the next SSB after the transmission indication information is received (time domain position becomes effective); or if the user side receives the transmission indication information outside the transmission time domain position of the SSB, the user side considers that transmission begins from the time domain position after the time the transmission indication information is received.

[0358] In this embodiment of the application, the start effective time of SSB transmission is the time of waiting for the terminal processing signal after receiving the transmission indication information. This means: if the time of waiting for the terminal processing signal after receiving the transmission indication information by the user side is within the transmission time domain position of the SSB, then the user side considers that the SSB transmission begins from the time of waiting for the terminal processing signal after receiving the transmission indication information (the time domain position begins to take effect); or if the time of waiting for the terminal processing signal after receiving the transmission indication information by the user side is within the transmission time domain position of the SSB, then the user side considers that the SSB transmission begins from the transmission time domain position of the next SSB after receiving the transmission indication information (the time domain position begins to take effect); or if the time of receiving the transmission indication information by the user side is not within the transmission time domain position of the SSB, then the user side considers that the transmission begins from the time domain position after the time of waiting for the terminal processing signal after receiving the transmission indication information.

[0359] In some embodiments, after receiving the time offset of the SSB transmission, the calculation method for the time offset of the SSB transmission includes at least one of the following:

[0360] When the time of a special cell is used as a reference time, and the SSB time offset of the secondary serving cell is the time offset of the SSB occurrence with the special cell as the time reference, the time offset of the SSB transmission is equal to the time offset of the SSB occurrence with the special cell as the time reference.

[0361] When the time of a special cell is used as a reference time, and the SSB time offset of the secondary serving cell is the time offset of the SSB occurrence with the secondary serving cell as the time reference, the time offset of the SSB transmission is equal to the sum of the time offsets of the secondary serving cell and the special cell and the time offset of the SSB occurrence with the secondary serving cell as the time reference.

[0362] When the time of the reference cell is used as the reference time, and the SSB time offset of the secondary serving cell is the time offset of the occurrence of the SSB with the reference cell as the time reference, the time offset of the SSB transmission is equal to the time offset of the occurrence of the SSB with the reference cell as the time reference.

[0363] When the time of the reference cell is used as the reference time, and the SSB time offset of the secondary serving cell is the time offset of the SSB occurrence with the secondary serving cell as the time reference, the time offset of the SSB transmission is equal to the sum of the time offsets of the secondary serving cell and the reference cell and the time offset of the SSB occurrence with the secondary serving cell as the time reference.

[0364] When the time of the secondary serving cell is used as a reference time, and the SSB time offset of the secondary serving cell is the time offset of the occurrence of the SSB with the secondary serving cell as the time reference, the time offset of the SSB transmission is equal to the time offset of the occurrence of the SSB with the secondary serving cell as the time reference.

[0365] When the time of a special cell is used as the reference time, and the SSB time offset of the secondary serving cell is the first time offset, and the SSB defined by the cell is used as the reference time of the special cell, then the time offset of the SSB transmission is equal to the sum of the first time offset and the time offset of the SSB defined by the cell; or, when the time of a special cell is used as the reference time, and the SSB time offset of the secondary serving cell is the second time offset, and the SSB always transmitted is used as the reference time of the special cell, then the time offset of the SSB transmission is equal to the sum of the second time offset and the time offset of the SSB always transmitted.

[0366] When the time of a special cell is used as the reference time, and the SSB time offset of the secondary serving cell is the first time offset, and the SSB defined by the cell is referenced by the time of the secondary serving cell, the time offset of the SSB transmission is equal to the sum of the time offsets of the secondary serving cell and the special cell, the first time offset, and the time offset of the SSB defined by the cell; or, when the time of a special cell is used as the reference time, and the SSB time offset of the secondary serving cell is the second time offset, and the SSB always transmitted is referenced by the time of the secondary serving cell, the time offset of the SSB transmission is equal to the sum of the time offsets of the secondary serving cell and the special cell, the second time offset, and the time offset of the SSB always transmitted.

[0367] When the reference cell's time is used as the reference time, and the secondary serving cell's SSB time offset is the first time offset, and the cell-defined SSB uses the reference cell's time as the reference time, the SSB transmission time offset is equal to the sum of the first time offset and the cell-defined SSB time offset; or, when the reference cell's time is used as the reference time, and the secondary serving cell's SSB time offset is the second time offset, and the always transmitted SSB uses the reference cell's time as the reference time, the SSB transmission time offset is equal to the sum of the second time offset and the always transmitted SSB time offset;

[0368] When the reference cell's time is used as the reference time, and the secondary serving cell's SSB time offset is the first time offset, and the cell-defined SSB uses the secondary serving cell's time as the reference time, the SSB transmission time offset is equal to the sum of the time offsets of the secondary serving cell and the reference cell, the first time offset, and the cell-defined SSB's time offset; or, when the reference cell's time is used as the reference time, and the secondary serving cell's SSB time offset is the second time offset, and the always transmitted SSB uses the secondary serving cell's time as the reference time, the SSB transmission time offset is equal to the sum of the time offsets of the secondary serving cell and the reference cell, the second time offset, and the always transmitted SSB's time offset;

[0369] When the time of the secondary serving cell is used as the reference time, and the SSB time offset of the secondary serving cell is the first time offset, and the SSB defined by the cell is used as the reference time of the secondary serving cell, the time offset of the SSB transmission is equal to the sum of the first time offset and the time offset of the SSB defined by the cell; or, when the time of the secondary serving cell is used as the reference time, and the SSB time offset of the secondary serving cell is the second time offset, and the SSB always transmitted is used as the reference time of the secondary serving cell, the time offset of the SSB transmission is equal to the sum of the second time offset and the time offset of the SSB always transmitted.

[0370] It should be noted that the time offset of the SSB defined by the cell may not exist. When the time offset of the SSB defined by the cell does not exist or there is no indication from the network side, the time offset of the SSB defined by the cell is equal to 0. Accordingly, in the calculation of the time offset of the SSB transmission mentioned above, if the time offset of the SSB defined by the cell is involved, the value is set to 0. For example, when the time offset of the SSB defined by the cell does not exist or there is no indication from the network side, the time offset of the SSB transmission is equal to the sum of the first time offset and the time offset of the SSB defined by the cell, that is: the time offset of the SSB transmission is equal to the first time offset. Other cases are similar and will not be described in detail here. In the embodiments of this application, the calculation method of the time offset of the SSB transmission can be implemented by one or more of the above methods. The time offset of the SSB transmission to be used is determined, and then the SSB transmission period in the configuration information, as well as the start time and / or transmission indication information of the SSB transmission, or the SSB transmission period in the configuration information, the reference time of the SSB transmission, and the start time and / or transmission indication information of the SSB transmission are used to determine the time domain position of the SSB transmission in the secondary serving cell, so as to avoid the terminal blindly searching for the SSB within the SSB period, thereby reducing the power consumption of the terminal.

[0371] In some embodiments, if the reference time is taken as the reference cell time, the configuration information further includes at least one of the following:

[0372] Frequency point and physical cell identity (PCI);

[0373] Ancillary service cell index;

[0374] Cell Global Identity (CGI) is a global identifier for the cell.

[0375] In some embodiments, the configuration information includes at least one of the following:

[0376] The information added to the auxiliary service cell;

[0377] Information regarding the SSB configuration of the secondary serving cell;

[0378] Information about the configuration of the measurement object.

[0379] The Measurement Object (MO) is a name specified in the protocol for configuring measurements. The time offset, period, and other values ​​of the on-demand SSB can also be configured here.

[0380] The following describes in detail a method for determining the transmission time of a synchronization signal block through exemplary embodiments.

[0381] The following examples use an on-demand SSB as an example, but the implementation process is not limited to on-demand SSB, nor is it limited here.

[0382] For example, in embodiment 1: the on-demand SSB time domain location is referenced to the Spcell time.

[0383] 1) Step 1: Configure the on-demand SSB time domain location on the network side, including but not limited to one or more of the following:

[0384] a) SSB transmission period (e.g., the transmission period of the secondary serving cell on-demand SSB).

[0385] b) Time offset for SSB transmission. Optionally, the time offset for SSB transmission includes, but is not limited to, one or more of the following: time offset between the secondary serving cell and the special cell, time offset between the secondary serving cell and the reference cell, and SSB time offset of the secondary serving cell. Optionally, the SSB time offset of the secondary serving cell includes, but is not limited to, one or more of the following: first time offset between the secondary serving cell's SSB and CD-SSB, second time offset between the secondary serving cell's SSB and always-on SSB, time offset for the occurrence of SSB with the secondary serving cell as the time reference, time offset for the occurrence of SSB with the special cell as the time reference, and time offset for the occurrence of SSB with the reference cell as the time reference.

[0386] c) Reference time for SSB transmission. Optionally, the reference time for SSB transmission includes, but is not limited to, one or more of the following: using the time of a reference cell as the reference time, using the time of a special cell as the reference time, using the time of the current secondary serving cell as the reference time (the secondary serving cell that is currently sending the SSB), using the time of the special cell as the reference time before synchronization and using the time of the current secondary serving cell as the reference time after synchronization, using the time of the reference cell as the reference time before synchronization and using the time of the current secondary serving cell as the reference time after synchronization.

[0387] d) Start time of SSB transmission. The start time of SSB transmission includes, but is not limited to, one or more of the following: a pre-configured SFN sequence number, wherein the SFN is equal to N4 and N4 is greater than or equal to 0; the N3rd SFN after receiving the transmission indication information sent by the network device, wherein N3 is configured by the network device.

[0388] The granularity of the time offset for SSB transmission can be at the SFN level and / or subframe level and / or ms level and / or slot level and / or symbol level.

[0389] Optionally, the time offset for on-demand SSB can be configured when adding a serving cell (e.g., the offset value for on-demand SSB transmission, which will not be elaborated further below). For example, R19-offset can be configured in ScellConfig (i.e., serving cell configuration) to represent the on-demand SSB time offset. Alternatively, R19-smtc can be configured in ScellConfig, alongside smtc in legacy, implicitly indicating the on-demand SSB time offset. The time offset (e.g., the time offset for on-demand SSB transmission, which will not be elaborated further below) can be configured in the on-demand SSB configuration. When a user receives the on-demand SSB configuration, they will receive the relevant period, time offset, and other configurations. For example, configuring offset, periodicity, etc., represents the on-demand SSB time offset, period, etc., or configuring smtc, implicitly indicating the on-demand SSB period, time offset, etc. The time offset of on-demand SSB can be configured in the measurement object configuration. For example, indicating on-demand SSB smtc in MO indicates the on-demand SSB transmission time offset, period, and other information for all on-demand SSB cells in that MO.

[0390] Optionally, the network side can configure one or more SSB configurations. When different on-demand SSBs are activated, the corresponding index number is indicated, and the user side determines the specific SSB configuration based on the index number. For example, if the network side configures two SSB configurations, with SSB period 1 of 40ms and time offset of 2, and SSB period 2 of 80ms and time offset of 2, and the network side indicates index 2 through transmission indication information, then the user side determines the SSB transmission period to be 80ms and the time offset to be 2.

[0391] Optionally, the transmission period of the on-demand SSB can be consistent with the transmission period of the always transmitted SSB, the cell-defined SSB, or the traditional SSB. If the network side does not configure the transmission period of the on-demand SSB, the user can assume that the transmission period of the on-demand SSB is consistent with the transmission period of the always transmitted SSB, the cell-defined SSB, or the traditional SSB.

[0392] 2) Step 2: The user side receives the network side configuration. If the network side configures the on-demand SSB transmission status to be in transmission or active, and if no reference time for SSB transmission is configured, or if it is configured to "use the special cell time as the reference time," or if the protocol predefines that the user side uses the Spcell time (here referring to the Spcell time) as a reference to determine the time domain location of the on-demand SSB, the user side uses the timing of the Spcell of the relevant cell group of the current secondary serving cell as a reference and determines the time domain location of the on-demand SSB based on the received network side configuration. After receiving the network side configuration (RRC message and / or L1 / L2 signaling), the methods by which the user side determines the time domain location of the on-demand SSB include, but are not limited to, the following two methods:

[0393] a) Method 2-1: The time-domain location of the on-demand SSB transmission is determined as follows (this refers to the time-domain location of the on-demand SSB transmission):

[0394] SFN mod T=(FLOOR(Offset / 10));

[0395] if the Periodicity is larger than sf5:

[0396] subframe = Offset mod 10;

[0397] else:

[0398] subframe=Offset or(Offset+5);

[0399] with T=CEIL(Periodicity / 10).

[0400] Where SFN refers to the SFN of the Spcell, and the user refers to the timing of the Spcell of the relevant cell group of the current secondary serving cell. Periodicity is the period of the on-demand SSB, and Offset is the time offset (here referring to the time offset of on-demand SSB transmission, which will not be elaborated further below). The time offset is equal to at least one of the following:

[0401] If the network side is configured with "time offset of SSB occurrence with special cell as time reference", then Offset is equal to that value (i.e. "time offset of SSB occurrence with special cell as time reference").

[0402] If the network side is configured with "time offset for secondary serving cells and special cells" and "time offset for SSB occurrence with secondary serving cells as time reference", then the sum of these two values ​​(i.e., "time offset for secondary serving cells and special cells" and "time offset for SSB occurrence with secondary serving cells as time reference") is Offset.

[0403] If the network side is configured with "a second time offset between the secondary serving cell's SSB and the always transmitted SSB", and the always transmitted SSB uses the time of the special cell as a reference time, then the Offset is equal to the sum of the second time offset and the time offset of the always transmitted SSB.

[0404] If the network side is configured with "time offset between secondary serving cell and special cell" and "second time offset between the SSB of the secondary serving cell and the always transmitted SSB", and the always transmitted SSB is referenced to the time of the secondary serving cell, then the time offset is equal to the sum of these two time offsets (i.e., "time offset between secondary serving cell and special cell" and "second time offset") and the time offset of the always transmitted SSB.

[0405] If the network side is configured with "the first time offset between the secondary serving cell's SSB and the cell-defined SSB", and the cell-defined SSB is referenced to the time of a specific cell, then the Offset is equal to this first time offset.

[0406] If the network side is configured with "time offset of secondary serving cell and special cell" and "first time offset between the SSB of secondary serving cell and the SSB defined by the cell", and the SSB defined by the cell is based on the time of the secondary serving cell, then the time offset is equal to the sum of these two time offsets (i.e., "time offset of secondary serving cell and special cell" and "first time offset").

[0407] The time offset of the always-transmitted SSB refers to the time interval after the first symbol of SFN=0 when the always-transmitted SSB begins transmission, or the time interval after the always-transmitted SSB is sent compared to the CD-SSB or conventional SSB sent after the first symbol of SFN=0, or the time offset of the always-transmitted SSB as defined by other protocols. This patent does not impose any limitations on this.

[0408] The time domain position of the on-demand SSB can be calculated using the above formula. However, the start time of the on-demand SSB (the start effective time of transmission) may start from the time domain position where SFN=0; or the time domain position of the SFN when the user receives the transmission indication information (RRC message or L1 or L2 signaling); or the time domain position of the SFN closest to the time the user receives the transmission indication information (RRC message or L1 or L2 signaling); or the time domain position of the SFN preceding the time the user receives the transmission indication information (RRC message or L1 or L2 signaling); or the time domain position of the SFN following the time the user receives the transmission indication information (RRC message or L1 or L2 signaling); or it may start from the time domain position of a certain SFN sequence number indicated or predefined by the network side.

[0409] Optionally, if the network side configures the start time of SSB transmission, the user starts transmission from the start time domain position of the SSB start transmission time indicated by the network side. For example, if the network side configures SSB to take effect from SFN=9, the user believes that SSB transmission starts from the first symbol of SFN=9.

[0410] Optionally, if the time when the user receives the transmission indication information is within the time domain position of the on-demand SSB, the user considers that the on-demand SSB starts transmission from the time the transmission indication information is received; or the user considers that after a certain time interval following the receipt of the transmission indication information, such as the time offset of the terminal signal processing, the on-demand SSB starts transmission from the time domain position after the time interval following the receipt of the transmission indication information; or the user considers that the on-demand SSB starts transmission from the transmission time domain position of the next on-demand SSB.

[0411] Optionally, the start transmission time (start of transmission effective time) of the on-demand SSB may be the start transmission time of the nearest traditional SSB, cell-defined SSB, or always transmitting SSB that received the transmission indication information, or the start transmission time of the next traditional SSB, cell-defined SSB, or always transmitting SSB that received the transmission indication information, or the start transmission time of the previous traditional SSB, cell-defined SSB, or always transmitting SSB that received the transmission indication information.

[0412] The user side considers the on-demand SSB to begin transmission from the SSB transmission time domain position after the start effective time (start transmission time). After the on-demand SSB starts transmission, it will not be transmitted again until the number of transmissions of the SSB burst is reached, or the network side instructs the on-demand SSB to stop transmission, or other on-demand SSB stop transmission conditions are met.

[0413] b) Method 2-2: The transmission time domain location of the on-demand SSB is determined as follows:

[0414] (SFN-N)mod T=(FLOOR(Offset / 10));

[0415] if the Periodicity is larger than sf5:

[0416] subframe = Offset mod 10;

[0417] else:

[0418] subframe=Offset or(Offset+5);

[0419] with T=CEIL(Periodicity / 10).

[0420] If the SSB starts transmitting from SFN=N, the user can calculate the time-domain location of the SSB using the formula above.

[0421] The rest of the content is the same as in method 1-1, and will not be repeated here.

[0422] For example, in embodiment 2: the on-demand SSB time domain location uses the time of the Spcell as a reference time and the time of the current secondary serving cell (i.e., the current secondary serving cell) as a reference time.

[0423] 1) Step 1 is the same as Step 1 in Example 1.

[0424] 2) Step 2: Before the user side and the secondary serving cell are synchronized, follow the same steps as in Example 1.

[0425] 3) Step 3: If "Reference Time for SSB Transmission" is not configured or is configured as "Reference to the time of a special cell before synchronization, and reference to the time of the current secondary serving cell after synchronization". Optionally, the protocol predefines the user side to determine the time domain position of the on-demand SSB using the time of the secondary serving cell as the reference time. After the user and the secondary serving cell synchronize, when the user receives the on-demand SSB transmission indication, the user determines the time domain position of the on-demand SSB using the timing of the secondary serving cell as a reference. The method by which the user determines the time domain position of the on-demand SSB after receiving the on-demand SSB transmission indication is similar to the methods in step 2) of embodiment 1, but the SFN refers to the SFN of the current secondary serving cell, the user uses the timing of the current secondary serving cell as a reference, and the time offset is equal to at least one of the following:

[0426] If the network side is configured with "time offset of SSB occurrence with secondary serving cell as time reference", then Offset is equal to this value (i.e., time offset of SSB occurrence with secondary serving cell as time reference);

[0427] If the network side is configured with "the second time offset between the secondary serving cell's SSB and the always transmitted SSB", and the always transmitted SSB is referenced to the time of the secondary serving cell, then the Offset is equal to the sum of this time offset (i.e., the second time offset) and the time offset of the always transmitted SSB.

[0428] If the network side is configured with "the first time offset between the secondary serving cell's SSB and the cell-defined SSB", and the cell-defined SSB is referenced to the time of the secondary serving cell, then the Offset is equal to this time offset (i.e., the first time offset).

[0429] For example, in embodiment 3: the on-demand SSB time domain location uses the time of the reference cell as the reference time.

[0430] 1) Step 1 is the same as Step 1 in Example 1.

[0431] 2) Step 2: The user side receives the network side configuration. If the network side configuration is "using the time of the reference cell as the reference time", or the protocol predefines the time domain location of the on-demand SSB as the reference to the timing of user cell x, then the user determines the time domain location of the on-demand SSB based on the received on-demand SSB transmission period and / or duration and / or time offset, using the timing of reference cell x as a reference. The method by which the user determines the time domain location of the on-demand SSB is similar to the methods in step 2) of embodiment 1, but SFN refers to the SFN of the reference cell, the user uses the timing of reference cell x as a reference, and the time offset is equal to at least one of the following:

[0432] If the network side is configured with "time offset of SSB occurrence with reference cell as time reference", then Offset is equal to this value (i.e. "time offset of SSB occurrence with reference cell as time reference");

[0433] If the network side is configured with "time offset between secondary serving cell and reference cell" and "time offset of SSB occurrence with secondary serving cell as time reference", then the sum of these two values ​​(i.e., "time offset between secondary serving cell and reference cell" and "time offset of SSB occurrence with secondary serving cell as time reference") is Offset.

[0434] If the network side is configured with "the second time offset between the secondary serving cell's SSB and the always transmitted SSB", and the always transmitted SSB uses the reference cell's time as the reference time, then the Offset is equal to the sum of this time offset (i.e., the second time offset) and the time offset of the always transmitted SSB.

[0435] If the network side is configured with "time offset between secondary serving cell and reference cell" and "second time offset between the secondary serving cell's SSB and the always transmitted SSB", and the always transmitted SSB is referenced to the time of the secondary serving cell, then the time offset is equal to the sum of these two time offsets (i.e., "time offset between secondary serving cell and reference cell" and "second time offset") and the time offset of the always transmitted SSB.

[0436] If the network side is configured with "the first time offset difference between the SSB of the secondary serving cell and the SSB defined by the cell", and the SSB defined by the cell is based on the time of the reference cell, then the Offset is equal to this time offset (i.e., the first time offset).

[0437] If the network side is configured with "time offset between secondary serving cell and reference cell" and "first time offset difference between the secondary serving cell's SSB and the cell-defined SSB", and the cell-defined SSB is referenced to the time of the secondary serving cell, then the time offset is equal to the sum of these two time offsets (i.e., "time offset between secondary serving cell and reference cell" and "first time offset").

[0438] For example, in embodiment 4: the on-demand SSB time domain location uses the time of the reference cell as the reference time and the time of the current secondary serving cell (i.e., the current secondary serving cell) as the reference time.

[0439] 1) Step 1 is the same as Step 1 in Example 1.

[0440] 2) Step 2: Before the user side and the secondary serving cell are synchronized, the same as step 2 in embodiment 3.

[0441] 3) Step 3: After the user side and the secondary serving cell are synchronized, if the configuration is set to "use the time of the reference cell as a reference before synchronization and use the time of the current secondary serving cell as a reference after synchronization," or if the protocol predetermines that the user side uses the time of the secondary serving cell as a reference to determine the time domain position of the on-demand SSB, when the user side receives the on-demand SSB transmission indication, the user side determines the time domain position of the on-demand SSB with reference to the timing of the secondary serving cell. The method by which the user side determines the time domain position of the on-demand SSB is similar to the methods in Step 3 of Embodiment 2, and the time offset is equal to at least one of the following:

[0442] If the network side is configured with "time offset of SSB occurrence with reference cell as time reference", then Offset is equal to this value;

[0443] If the network side is configured with "time offset between secondary serving cell and reference cell" and "time offset of SSB occurrence with secondary serving cell as time reference", then the sum of these two values, such as Offset, is used.

[0444] If the network side is configured with "the second time offset between the secondary serving cell's SSB and the always transmitted SSB", and the always transmitted SSB is referenced to the reference cell's time, then the Offset is equal to the sum of this time offset (i.e., the second time offset) and the time offset of the always transmitted SSB.

[0445] If the network side is configured with "time offset between secondary serving cell and reference cell" and "secondary time offset between secondary serving cell's SSB and always transmitted SSB", and the always transmitted SSB is referenced to the time of the secondary serving cell, then the time offset is equal to the sum of these two time offsets (i.e., "time offset between secondary serving cell and reference cell" and "secondary time offset") and the time offset of the always transmitted SSB.

[0446] If the network side is configured with "the first time offset difference between the SSB of the secondary serving cell and the SSB defined by the cell", and the SSB defined by the cell is based on the time of the reference cell, then the Offset is equal to this time offset (i.e., the first time offset).

[0447] If the network side is configured with "time offset between secondary serving cell and reference cell" and "first time offset between the secondary serving cell's SSB and the cell-defined SSB", and the cell-defined SSB is referenced to the time of the secondary serving cell, then the time offset is equal to the sum of these two time offsets (i.e., "time offset between secondary serving cell and reference cell" and "first time offset").

[0448] Therefore, in this application, the terminal (e.g., the user side) can determine the accurate time of on-demand SSB transmission based on the configuration information and transmission indication information of the network side (i.e., network device), prevent the user side from blindly searching for SSB during on-demand SSB, reduce the power consumption of the user side, and measure on-demand SSB for time-frequency synchronization and / or L1 / L3 measurement.

[0449] It should be noted that the method for determining the transmission time of the synchronization signal block, which uses a terminal (e.g., UE) as the execution subject, provided in this application can be found in the following implementation process: Figures 1-3 The specific implementation process of the embodiments shown, namely Embodiments 1 to 4, will not be described in detail here.

[0450] See Figure 4 As shown, Figure 4 This is a flowchart illustrating a method for determining the transmission time of a synchronization signal block according to another embodiment of this application. The execution subject of the method for determining the transmission time of a synchronization signal block provided in this embodiment is a network device. The method for determining the transmission time of a synchronization signal block will be described in detail below.

[0451] The method for determining the transmission time of the synchronization signal block provided in this application includes the following steps:

[0452] Step 401: Send configuration information containing the start time of the SSB transmission to the terminal, and / or send configuration information and transmission indication information to the terminal, wherein the transmission indication information is used to indicate the SSB transmission status.

[0453] The configuration information includes at least one of the following: the synchronization signal block (SSB) transmission period, the SSB transmission time offset, the SSB transmission reference time, and the SSB transmission start time.

[0454] Specifically, regarding sending configuration information containing the start time of the SSB transmission to the terminal, this configuration information is used to determine the time-domain location of the SSB transmission in the secondary serving cell. Regarding sending configuration information and transmission indication information to the terminal, this configuration information is used to determine the time-domain location of the SSB transmission in the secondary serving cell based on the transmission indication information.

[0455] In this embodiment of the application, the network device can send configuration information including the start time of SSB transmission, and / or configuration information and transmission indication information to the terminal, so that the terminal can effectively determine the time domain location of the secondary serving cell transmitting SSB through the configuration information, and / or the configuration information combined with the transmission indication information, thereby avoiding the terminal blindly searching for SSB during the SSB period and reducing the power consumption of the terminal.

[0456] In some embodiments, the reference time for the SSB transmission includes any of the following:

[0457] Use the time of the reference community as the reference time;

[0458] Use the time of special communities as a reference time;

[0459] Using the time of the current secondary serving cell as a reference time, the current secondary serving cell is the secondary serving cell that is currently sending the SSB;

[0460] Before synchronization, the time of the special cell is used as the reference time, and after synchronization, the time of the current auxiliary service cell is used as the reference time.

[0461] Before synchronization, the time of the reference cell is used as the reference time, and after synchronization, the time of the current secondary service cell is used as the reference time.

[0462] In some embodiments, the start time of the SSB transmission is:

[0463] The start time of the first system frame number (SFN).

[0464] In some embodiments, the time offset of the SSB transmission includes at least one of the following:

[0465] The time offset of the secondary serving cell and the special cell;

[0466] The time offset between the secondary serving cell and the reference cell;

[0467] The SSB time offset of the secondary serving cell.

[0468] In some embodiments, the unit of the time offset of the SSB transmission is any one of the following:

[0469] Millisecond level;

[0470] Time slot level;

[0471] Symbol level.

[0472] In some embodiments, the SSB time offset of the secondary serving cell includes at least one of the following:

[0473] The first time offset difference between the SSB of the secondary serving cell and the SSB defined in the cell;

[0474] The second time offset between the SSB of the secondary serving cell and the SSB that is always transmitted;

[0475] The time offset of the SSB with the secondary serving cell as the time reference;

[0476] The time offset of the SSB with the special cell as the time reference;

[0477] The time offset of the SSB with the reference cell as the time reference.

[0478] In some embodiments, the first time offset is:

[0479] The transmission time of the first SSB is a time offset that is later than the transmission time of the SSB defined by the first cell, or the transmission time of the first SSB is a time offset that is earlier than the transmission time of the SSB defined by the first cell; wherein, the SSB defined by the first cell is the SSB defined by the M1th cell where SFN equals N1, and N1 and MI are both greater than or equal to 0, and N1 and MI are both integers.

[0480] In some embodiments, the second time offset is:

[0481] The transmission time of the first SSB is later than the transmission time of the always transmitted SSB by a time offset, or the transmission time of the first SSB is earlier than the transmission time of the always transmitted SSB by a time offset; wherein, the always transmitted SSB is the M2th always transmitted SSB with SFN equal to N2, where N2 and M2 are both greater than or equal to 0, and N2 and M2 are both integers.

[0482] In some embodiments, if the reference time is taken as the reference cell time, the configuration information further includes at least one of the following:

[0483] Frequency and Physical Cell Identifier (PCI);

[0484] Ancillary service cell index;

[0485] Community Global Identifier (CGI).

[0486] In some embodiments, the first SFN is any one of the following:

[0487] The pre-configured SFN sequence number, where SFN equals N4, and N4 is greater than or equal to 0;

[0488] The terminal receives the N3rd SFN after receiving the transmission indication information sent by the network device, wherein N3 is configured by the network device, N3 is greater than or equal to 0, and N3 is an integer.

[0489] In some embodiments, the configuration information includes at least one of the following:

[0490] The information added to the auxiliary service cell;

[0491] Information regarding the SSB configuration of the secondary serving cell;

[0492] Information about the configuration of the measurement object.

[0493] In some embodiments, the transmission indication information is used to indicate whether the transmission status of the SSB is active or in a transmission state.

[0494] It should be noted that the method for determining the transmission time of synchronization signal blocks, which uses network devices as the execution subject, provided in this application can be found in the following specific implementation process: Figures 2-4 The specific implementation process of the embodiments shown, namely Embodiments 1 to 4, will not be described in detail here.

[0495] Based on the same technical concept, this application embodiment also provides a device for determining the transmission time of a synchronization signal block, which can realize the function of the terminal in the foregoing embodiment.

[0496] See Figure 5 A schematic diagram of the structure of the synchronization signal block transmission time determination device provided in the embodiments of this application. Figure 1 ,like Figure 5 As shown, the synchronization signal block transmission time determination device provided in this embodiment is applied to a terminal. The synchronization signal block transmission time determination device provided in this embodiment includes: a transceiver 500, used to receive and send data under the control of the processor 510.

[0497] Among them, Figure 5In this context, the bus architecture can include any number of interconnected buses and bridges, specifically linking various circuits of one or more processors represented by processor 510 and memory represented by memory 520 together. The bus architecture can also link various other circuits such as peripheral devices, voltage regulators, and power management circuits, which are well known in the art and therefore will not be described further herein. The bus interface provides an interface. The transceiver 500 can be multiple components, including transmitters and receivers, providing a unit for communicating with various other devices over a transmission medium, including wireless channels, wired channels, optical fibers, etc. For different user equipment, the user interface 530 can also be an interface capable of connecting external or internal devices, including but not limited to keypads, displays, speakers, microphones, joysticks, etc.

[0498] The processor 510 is responsible for managing the bus architecture and general processing, while the memory 520 can store the data used by the processor 510 when performing operations.

[0499] Optionally, the processor 510 may be a central processing unit (CPU), an application-specific integrated circuit (ASIC), a field-programmable gate array (FPGA), or a complex programmable logic device (CPLD), and the processor may also adopt a multi-core architecture.

[0500] The processor executes any of the methods described in the embodiments of this application according to the obtained executable instructions by calling a program stored in memory. The processor and memory may also be physically separated.

[0501] In this embodiment, the device includes: a memory 520 for storing computer programs; a transceiver 500 for sending and receiving data under the control of a processor; and a processor 510 for reading the computer program from the memory and performing the following operations:

[0502] The system receives configuration information sent by a network device, the configuration information including at least one of the following: Synchronization Signal Block (SSB) transmission period, SSB transmission time offset, SSB transmission reference time, and SSB transmission start time.

[0503] When the configuration information includes the start time of SSB transmission, the time-domain location of the secondary serving cell transmitting the SSB is determined according to the configuration information; and / or, the time-domain location of the secondary serving cell transmitting the SSB is determined according to the configuration information and transmission indication information, wherein the transmission indication information is used to indicate the transmission status of the SSB.

[0504] In some embodiments, the reference time for the SSB transmission includes any of the following:

[0505] Use the time of the reference community as the reference time;

[0506] Use the time of special communities as a reference time;

[0507] Using the time of the current secondary serving cell as a reference time, the current secondary serving cell is the secondary serving cell that is currently sending the SSB;

[0508] Before synchronization, the time of the special cell is used as the reference time, and after synchronization, the time of the current auxiliary service cell is used as the reference time.

[0509] Before synchronization, the time of the reference cell is used as the reference time, and after synchronization, the time of the current secondary service cell is used as the reference time.

[0510] In some embodiments, the start time of the SSB transmission is:

[0511] The start time of the first system frame number (SFN).

[0512] In some embodiments, the time offset of the SSB transmission includes at least one of the following:

[0513] The time offset of the secondary serving cell and the special cell;

[0514] The time offset between the secondary serving cell and the reference cell;

[0515] The SSB time offset of the secondary serving cell.

[0516] In some embodiments, the unit of the time offset of the SSB transmission is any one of the following:

[0517] Millisecond level;

[0518] Time slot level;

[0519] Symbol level.

[0520] In some embodiments, the SSB time offset of the secondary serving cell includes at least one of the following:

[0521] The first time offset difference between the SSB of the secondary serving cell and the SSB defined in the cell;

[0522] The second time offset between the SSB of the secondary serving cell and the SSB that is always transmitted;

[0523] The time offset of the SSB with the secondary serving cell as the time reference;

[0524] The time offset of the SSB with the special cell as the time reference;

[0525] The time offset of the SSB with the reference cell as the time reference.

[0526] In some embodiments, the first time offset is:

[0527] The transmission time of the first SSB is a time offset that is later than the transmission time of the SSB defined by the first cell, or the transmission time of the first SSB is a time offset that is earlier than the transmission time of the SSB defined by the first cell; wherein, the SSB defined by the first cell is the SSB defined by the M1th cell where SFN equals N1, and N1 and MI are both greater than or equal to 0, and N1 and MI are both integers.

[0528] In some embodiments, the second time offset is:

[0529] The time offset when the transmission time of the first SSB is later than the transmission time of the always transmitted SSB; or the time offset when the transmission time of the first SSB is earlier than the transmission time of the always transmitted SSB.

[0530] Wherein, the always transmitted SSB is the M2th always transmitted SSB where SFN equals N2, where N2 and M2 are both greater than or equal to 0, and where N2 and M2 are both integers.

[0531] In some embodiments, if the configuration information includes multiple SSB transmission periods and / or multiple SSB transmission time offsets; the processor 510 is configured to, when determining the time domain location of the secondary serving cell transmitting an SSB based on the configuration information and transmission indication information, specifically include:

[0532] Based on the transmission indication information, determine the SSB transmission period to be used and / or the time offset of the SSB transmission from the configuration information;

[0533] The time-domain location of the SSB transmission in the secondary serving cell is determined based on the SSB transmission period to be used and / or the time offset of the SSB transmission.

[0534] In some embodiments, the processor is further configured to perform the following operations:

[0535] Determine the start time for SSB transmission;

[0536] The start time of the SSB transmission includes at least one of the following:

[0537] The start time of the SSB transmission as indicated by the network device;

[0538] The time at which the transmission indication information is received;

[0539] The time to wait for the terminal to process the signal after receiving the transmission indication information;

[0540] The start time of the SFN closest to receiving the transmission indication information;

[0541] The start time of the next SFN after receiving the transmission indication information;

[0542] The start time of the previous SFN from which the transmission indication information was received;

[0543] The start time of the SSB closest to receiving the transmission indication information is always the start time of the transmission.

[0544] The start time of the next always-transmitting SSB after receiving the transmission indication information;

[0545] The time elapsed since the start of the previous SSB that received the transmission indication information is always the time elapsed before the transmission begins.

[0546] In some embodiments, after receiving the time offset of the SSB transmission, the calculation method for the time offset of the SSB transmission includes at least one of the following:

[0547] When the time of a special cell is used as a reference time, and the SSB time offset of the secondary serving cell is the time offset of the SSB occurrence with the special cell as the time reference, the time offset of the SSB transmission is equal to the time offset of the SSB occurrence with the special cell as the time reference.

[0548] When the time of a special cell is used as a reference time, and the SSB time offset of the secondary serving cell is the time offset of the SSB occurrence with the secondary serving cell as the time reference, the time offset of the SSB transmission is equal to the sum of the time offsets of the secondary serving cell and the special cell and the time offset of the SSB occurrence with the secondary serving cell as the time reference.

[0549] When the time of the reference cell is used as the reference time, and the SSB time offset of the secondary serving cell is the time offset of the occurrence of the SSB with the reference cell as the time reference, the time offset of the SSB transmission is equal to the time offset of the occurrence of the SSB with the reference cell as the time reference.

[0550] When the time of the reference cell is used as the reference time, and the SSB time offset of the secondary serving cell is the time offset of the SSB occurrence with the secondary serving cell as the time reference, the time offset of the SSB transmission is equal to the sum of the time offsets of the secondary serving cell and the reference cell and the time offset of the SSB occurrence with the secondary serving cell as the time reference.

[0551] When the time of the secondary serving cell is used as a reference time, and the SSB time offset of the secondary serving cell is the time offset of the occurrence of the SSB with the secondary serving cell as the time reference, the time offset of the SSB transmission is equal to the time offset of the occurrence of the SSB with the secondary serving cell as the time reference.

[0552] When the time of a special cell is used as the reference time, and the SSB time offset of the secondary serving cell is the first time offset, and the SSB defined by the cell is used as the reference time of the special cell, then the time offset of the SSB transmission is equal to the sum of the first time offset and the time offset of the SSB defined by the cell; or, when the time of a special cell is used as the reference time, and the SSB time offset of the secondary serving cell is the second time offset, and the SSB always transmitted is used as the reference time of the special cell, then the time offset of the SSB transmission is equal to the sum of the second time offset and the time offset of the SSB always transmitted.

[0553] When the time of a special cell is used as the reference time, and the SSB time offset of the secondary serving cell is the first time offset, and the SSB defined by the cell is referenced by the time of the secondary serving cell, the time offset of the SSB transmission is equal to the sum of the time offsets of the secondary serving cell and the special cell, the first time offset, and the time offset of the SSB defined by the cell; or, when the time of a special cell is used as the reference time, and the SSB time offset of the secondary serving cell is the second time offset, and the SSB always transmitted is referenced by the time of the secondary serving cell, the time offset of the SSB transmission is equal to the sum of the time offsets of the secondary serving cell and the special cell, the second time offset, and the time offset of the SSB always transmitted.

[0554] When the reference cell's time is used as the reference time, and the secondary serving cell's SSB time offset is the first time offset, and the cell-defined SSB uses the reference cell's time as the reference time, the SSB transmission time offset is equal to the sum of the first time offset and the cell-defined SSB time offset; or, when the reference cell's time is used as the reference time, and the secondary serving cell's SSB time offset is the second time offset, and the always transmitted SSB uses the reference cell's time as the reference time, the SSB transmission time offset is equal to the sum of the second time offset and the always transmitted SSB time offset;

[0555] When the reference cell's time is used as the reference time, and the secondary serving cell's SSB time offset is the first time offset, and the cell-defined SSB uses the secondary serving cell's time as the reference time, the SSB transmission time offset is equal to the sum of the time offsets of the secondary serving cell and the reference cell, the first time offset, and the cell-defined SSB's time offset; or, when the reference cell's time is used as the reference time, and the secondary serving cell's SSB time offset is the second time offset, and the always transmitted SSB uses the secondary serving cell's time as the reference time, the SSB transmission time offset is equal to the sum of the time offsets of the secondary serving cell and the reference cell, the second time offset, and the always transmitted SSB's time offset;

[0556] When the time of the secondary serving cell is used as the reference time, and the SSB time offset of the secondary serving cell is the first time offset, and the SSB defined by the cell is used as the reference time of the secondary serving cell, the time offset of the SSB transmission is equal to the sum of the first time offset and the time offset of the SSB defined by the cell; or, when the time of the secondary serving cell is used as the reference time, and the SSB time offset of the secondary serving cell is the second time offset, and the SSB always transmitted is used as the reference time of the secondary serving cell, the time offset of the SSB transmission is equal to the sum of the second time offset and the time offset of the SSB always transmitted.

[0557] In some embodiments, if the reference time is taken as the reference cell time, the configuration information further includes at least one of the following:

[0558] Frequency and Physical Cell Identifier (PCI);

[0559] Ancillary service cell index;

[0560] Community Global Identifier (CGI).

[0561] In some embodiments, the first SFN is any one of the following:

[0562] The pre-configured SFN sequence number, where SFN equals N4, and N4 is greater than or equal to 0;

[0563] The terminal receives the N3rd SFN after receiving the transmission indication information sent by the network device, wherein N3 is configured by the network device, N3 is greater than or equal to 0, and N3 is an integer.

[0564] In some embodiments, the configuration information includes at least one of the following:

[0565] The information added to the auxiliary service cell;

[0566] Information regarding the SSB configuration of the secondary serving cell;

[0567] Information about the configuration of the measurement object.

[0568] In some embodiments, the transmission indication information is used to indicate whether the transmission status of the SSB is active or in a transmission state.

[0569] It should be noted that the synchronization signal block transmission time determination device provided in this application can implement all the method steps implemented by the above-mentioned terminal execution method embodiment for determining the synchronization signal block transmission time, and can achieve the same technical effect. Here, the parts that are the same as those in the method embodiment and the beneficial effects will not be described in detail.

[0570] Based on the same technical concept, this application embodiment also provides a device for determining the transmission time of a synchronization signal block, which can realize the function of the terminal in the foregoing embodiment.

[0571] See Figure 6 A schematic diagram of the structure of the synchronization signal block transmission time determination device provided in the embodiments of this application. Figure 2 ,like Figure 6 As shown, the synchronization signal block transmission time determination device provided in this embodiment is applied to a terminal. The synchronization signal block transmission time determination device 600 includes a receiving unit 601 and a processing unit 602.

[0572] The receiving unit 601 is used to receive configuration information sent by the network device. The configuration information includes at least one item: the synchronization signal block (SSB) transmission period, the SSB transmission time offset, the SSB transmission reference time, and the SSB transmission start time.

[0573] The processing unit 602 is configured to, when the configuration information includes the start time of SSB transmission, determine the time-domain location of the secondary serving cell transmitting the SSB according to the configuration information; and / or, determine the time-domain location of the secondary serving cell transmitting the SSB according to the configuration information and transmission indication information, wherein the transmission indication information is used to indicate the transmission status of the SSB.

[0574] In some embodiments, the reference time for the SSB transmission includes any of the following:

[0575] Use the time of the reference community as the reference time;

[0576] Use the time of special communities as a reference time;

[0577] Using the time of the current secondary serving cell as a reference time, the current secondary serving cell is the secondary serving cell that is currently sending the SSB;

[0578] Before synchronization, the time of the special cell is used as the reference time, and after synchronization, the time of the current auxiliary service cell is used as the reference time.

[0579] Before synchronization, the time of the reference cell is used as the reference time, and after synchronization, the time of the current secondary service cell is used as the reference time.

[0580] In some embodiments, the start time of the SSB transmission is:

[0581] The start time of the first system frame number (SFN).

[0582] In some embodiments, the time offset of the SSB transmission includes at least one of the following:

[0583] The time offset of the secondary serving cell and the special cell;

[0584] The time offset between the secondary serving cell and the reference cell;

[0585] The SSB time offset of the secondary serving cell.

[0586] In some embodiments, the unit of the time offset of the SSB transmission is any one of the following:

[0587] Millisecond level;

[0588] Time slot level;

[0589] Symbol level.

[0590] In some embodiments, the SSB time offset of the secondary serving cell includes at least one of the following:

[0591] The first time offset difference between the SSB of the secondary serving cell and the SSB defined in the cell;

[0592] The second time offset between the SSB of the secondary serving cell and the SSB that is always transmitted;

[0593] The time offset of the SSB with the secondary serving cell as the time reference;

[0594] The time offset of the SSB with the special cell as the time reference;

[0595] The time offset of the SSB with the reference cell as the time reference.

[0596] In some embodiments, the first time offset is:

[0597] The transmission time of the first SSB is a time offset that is later than the transmission time of the SSB defined by the first cell, or the transmission time of the first SSB is a time offset that is earlier than the transmission time of the SSB defined by the first cell; wherein, the SSB defined by the first cell is the SSB defined by the M1th cell where SFN equals N1, and N1 and MI are both greater than or equal to 0, and N1 and MI are both integers.

[0598] In some embodiments, the second time offset is:

[0599] The time offset when the transmission time of the first SSB is later than the transmission time of the always transmitted SSB; or the time offset when the transmission time of the first SSB is earlier than the transmission time of the always transmitted SSB.

[0600] Wherein, the always transmitted SSB is the M2th always transmitted SSB where SFN equals N2, where N2 and M2 are both greater than or equal to 0, and where N2 and M2 are both integers.

[0601] In some embodiments, if the configuration information includes multiple SSB transmission cycles and / or multiple SSB transmission time offsets; the processing unit 602 is specifically used for:

[0602] Based on the transmission indication information, determine the SSB transmission period to be used and / or the time offset of the SSB transmission from the configuration information;

[0603] The time-domain location of the SSB transmission in the secondary serving cell is determined based on the SSB transmission period to be used and / or the time offset of the SSB transmission.

[0604] In some embodiments, the method further includes:

[0605] Determine the start time for SSB transmission;

[0606] The start time of the SSB transmission includes at least one of the following:

[0607] The start time of the SSB transmission as indicated by the network device;

[0608] The time at which the transmission indication information is received;

[0609] The time to wait for the terminal to process the signal after receiving the transmission indication information;

[0610] The start time of the SFN closest to receiving the transmission indication information;

[0611] The start time of the next SFN after receiving the transmission indication information;

[0612] The start time of the previous SFN from which the transmission indication information was received;

[0613] The start time of the SSB closest to receiving the transmission indication information is always the start time of the transmission.

[0614] The start time of the next always-transmitting SSB after receiving the transmission indication information;

[0615] The time elapsed since the start of the previous SSB that received the transmission indication information is always the time elapsed before the transmission begins.

[0616] In some embodiments, after receiving the time offset of the SSB transmission, the calculation method for the time offset of the SSB transmission includes at least one of the following:

[0617] When the time of a special cell is used as a reference time, and the SSB time offset of the secondary serving cell is the time offset of the SSB occurrence with the special cell as the time reference, the time offset of the SSB transmission is equal to the time offset of the SSB occurrence with the special cell as the time reference.

[0618] When the time of a special cell is used as a reference time, and the SSB time offset of the secondary serving cell is the time offset of the SSB occurrence with the secondary serving cell as the time reference, the time offset of the SSB transmission is equal to the sum of the time offsets of the secondary serving cell and the special cell and the time offset of the SSB occurrence with the secondary serving cell as the time reference.

[0619] When the time of the reference cell is used as the reference time, and the SSB time offset of the secondary serving cell is the time offset of the occurrence of the SSB with the reference cell as the time reference, the time offset of the SSB transmission is equal to the time offset of the occurrence of the SSB with the reference cell as the time reference.

[0620] When the time of the reference cell is used as the reference time, and the SSB time offset of the secondary serving cell is the time offset of the SSB occurrence with the secondary serving cell as the time reference, the time offset of the SSB transmission is equal to the sum of the time offsets of the secondary serving cell and the reference cell and the time offset of the SSB occurrence with the secondary serving cell as the time reference.

[0621] When the time of the secondary serving cell is used as a reference time, and the SSB time offset of the secondary serving cell is the time offset of the occurrence of the SSB with the secondary serving cell as the time reference, the time offset of the SSB transmission is equal to the time offset of the occurrence of the SSB with the secondary serving cell as the time reference.

[0622] When the time of a special cell is used as the reference time, and the SSB time offset of the secondary serving cell is the first time offset, and the SSB defined by the cell is used as the reference time of the special cell, then the time offset of the SSB transmission is equal to the sum of the first time offset and the time offset of the SSB defined by the cell; or, when the time of a special cell is used as the reference time, and the SSB time offset of the secondary serving cell is the second time offset, and the SSB always transmitted is used as the reference time of the special cell, then the time offset of the SSB transmission is equal to the sum of the second time offset and the time offset of the SSB always transmitted.

[0623] When the time of a special cell is used as the reference time, and the SSB time offset of the secondary serving cell is the first time offset, and the SSB defined by the cell is referenced by the time of the secondary serving cell, the time offset of the SSB transmission is equal to the sum of the time offsets of the secondary serving cell and the special cell, the first time offset, and the time offset of the SSB defined by the cell; or, when the time of a special cell is used as the reference time, and the SSB time offset of the secondary serving cell is the second time offset, and the SSB always transmitted is referenced by the time of the secondary serving cell, the time offset of the SSB transmission is equal to the sum of the time offsets of the secondary serving cell and the special cell, the second time offset, and the time offset of the SSB always transmitted.

[0624] When the reference cell's time is used as the reference time, and the secondary serving cell's SSB time offset is the first time offset, and the cell-defined SSB uses the reference cell's time as the reference time, the SSB transmission time offset is equal to the sum of the first time offset and the cell-defined SSB time offset; or, when the reference cell's time is used as the reference time, and the secondary serving cell's SSB time offset is the second time offset, and the always transmitted SSB uses the reference cell's time as the reference time, the SSB transmission time offset is equal to the sum of the second time offset and the always transmitted SSB time offset;

[0625] When the reference cell's time is used as the reference time, and the secondary serving cell's SSB time offset is the first time offset, and the cell-defined SSB uses the secondary serving cell's time as the reference time, the SSB transmission time offset is equal to the sum of the time offsets of the secondary serving cell and the reference cell, the first time offset, and the cell-defined SSB's time offset; or, when the reference cell's time is used as the reference time, and the secondary serving cell's SSB time offset is the second time offset, and the always transmitted SSB uses the secondary serving cell's time as the reference time, the SSB transmission time offset is equal to the sum of the time offsets of the secondary serving cell and the reference cell, the second time offset, and the always transmitted SSB's time offset;

[0626] When the time of the secondary serving cell is used as the reference time, and the SSB time offset of the secondary serving cell is the first time offset, and the SSB defined by the cell is used as the reference time of the secondary serving cell, the time offset of the SSB transmission is equal to the sum of the first time offset and the time offset of the SSB defined by the cell; or, when the time of the secondary serving cell is used as the reference time, and the SSB time offset of the secondary serving cell is the second time offset, and the SSB always transmitted is used as the reference time of the secondary serving cell, the time offset of the SSB transmission is equal to the sum of the second time offset and the time offset of the SSB always transmitted.

[0627] In some embodiments, if the reference time is taken as the reference cell time, the configuration information further includes at least one of the following:

[0628] Frequency and Physical Cell Identifier (PCI);

[0629] Ancillary service cell index;

[0630] Community Global Identifier (CGI).

[0631] In some embodiments, the first SFN is any one of the following:

[0632] The pre-configured SFN sequence number, where SFN equals N4, and N4 is greater than or equal to 0;

[0633] The terminal receives the N3rd SFN after receiving the transmission indication information sent by the network device, wherein N3 is configured by the network device, N3 is greater than or equal to 0, and N3 is an integer.

[0634] In some embodiments, the configuration information includes at least one of the following:

[0635] The information added to the auxiliary service cell;

[0636] Information regarding the SSB configuration of the secondary serving cell;

[0637] Information about the configuration of the measurement object.

[0638] In some embodiments, the transmission indication information is used to indicate whether the transmission status of the SSB is active or in a transmission state.

[0639] It should be noted that the synchronization signal block transmission time determination device provided in this application can implement all the method steps implemented by the above-mentioned terminal execution method embodiment for determining the synchronization signal block transmission time, and can achieve the same technical effect. Here, the parts that are the same as those in the method embodiment and the beneficial effects will not be described in detail.

[0640] Based on the same technical concept, this application embodiment also provides a device for determining the transmission time of a synchronization signal block, which can realize the function of the network device in the foregoing embodiment.

[0641] See Figure 7 A schematic diagram of the structure of the synchronization signal block transmission time determination device provided in the embodiments of this application. Figure 3 ,like Figure 7 As shown, the synchronization signal block transmission time determination device provided in this embodiment is applied to a network device. The synchronization signal block transmission time determination device provided in this embodiment includes: a transceiver 700, used to receive and send data under the control of a processor 710.

[0642] Among them, Figure 7In this context, the bus architecture can include any number of interconnected buses and bridges, specifically linking various circuits together, represented by one or more processors (processor 710) and memory (memory 720). The bus architecture can also link various other circuits such as peripheral devices, voltage regulators, and power management circuits, which are well known in the art and therefore will not be described further herein. The bus interface provides an interface. The transceiver 700 can be multiple elements, including transmitters and receivers, providing units for communicating with various other devices over transmission media, including wireless channels, wired channels, optical fibers, etc. The processor 710 is responsible for managing the bus architecture and general processing, and the memory 720 can store data used by the processor 710 during operation.

[0643] The processor 710 can be a central processing unit (CPU), an application-specific integrated circuit (ASIC), a field-programmable gate array (FPGA), or a complex programmable logic device (CPLD). The processor can also adopt a multi-core architecture.

[0644] In this embodiment, the device includes: a memory 720, a transceiver 700, and a processor 710.

[0645] The memory 720 is used to store computer programs; the transceiver 700 is used to send and receive data under the control of the processor; the processor 710 is used to read the computer programs in the memory and perform the following operations:

[0646] The terminal is sent configuration information and transmission indication information, wherein the transmission indication information is used to indicate the SSB transmission status; wherein the configuration information is used to determine the time domain location of the secondary serving cell transmitting the SSB based on the transmission indication information; and / or,

[0647] Send configuration information containing the start time of the SSB transmission to the terminal, wherein the configuration information is used to determine the time domain location of the secondary serving cell transmitting the SSB;

[0648] The configuration information includes at least one of the following: the synchronization signal block (SSB) transmission period, the SSB transmission time offset, the SSB transmission reference time, and the SSB transmission start time.

[0649] In some embodiments, the reference time for the SSB transmission includes any of the following:

[0650] Use the time of the reference community as the reference time;

[0651] Use the time of special communities as a reference time;

[0652] Using the time of the current secondary serving cell as a reference time, the current secondary serving cell is the secondary serving cell that is currently sending the SSB;

[0653] Before synchronization, the time of the special cell is used as the reference time, and after synchronization, the time of the current auxiliary service cell is used as the reference time.

[0654] Before synchronization, the time of the reference cell is used as the reference time, and after synchronization, the time of the current secondary service cell is used as the reference time.

[0655] In some embodiments, the start time of the SSB transmission is:

[0656] The start time of the first SFN.

[0657] In some embodiments, the time offset of the SSB transmission includes at least one of the following:

[0658] The time offset of the secondary serving cell and the special cell;

[0659] The time offset between the secondary serving cell and the reference cell;

[0660] The SSB time offset of the secondary serving cell.

[0661] In some embodiments, the unit of the time offset of the SSB transmission is any one of the following:

[0662] Millisecond level;

[0663] Time slot level;

[0664] Symbol level.

[0665] In some embodiments, the SSB time offset of the secondary serving cell includes at least one of the following:

[0666] The first time offset difference between the SSB of the secondary serving cell and the SSB defined in the cell;

[0667] The second time offset between the SSB of the secondary serving cell and the SSB that is always transmitted;

[0668] The time offset of the SSB with the secondary serving cell as the time reference;

[0669] The time offset of the SSB with the special cell as the time reference;

[0670] The time offset of the SSB with the reference cell as the time reference.

[0671] In some embodiments, the first time offset is:

[0672] The transmission time of the first SSB is a time offset that is later than the transmission time of the SSB defined by the first cell, or the transmission time of the first SSB is a time offset that is earlier than the transmission time of the SSB defined by the first cell; wherein, the SSB defined by the first cell is the SSB defined by the M1th cell where SFN equals N1, and N1 and MI are both greater than or equal to 0, and N1 and MI are both integers.

[0673] In some embodiments, the second time offset is:

[0674] The transmission time of the first SSB is later than the transmission time of the always transmitted SSB by a time offset, or the transmission time of the first SSB is earlier than the transmission time of the always transmitted SSB by a time offset; wherein, the always transmitted SSB is the M2th always transmitted SSB with SFN equal to N2, where N2 and M2 are both greater than or equal to 0, and N2 and M2 are both integers.

[0675] In some embodiments, if the reference time is taken as the reference cell time, the configuration information further includes at least one of the following:

[0676] Frequency and Physical Cell Identifier (PCI);

[0677] Ancillary service cell index;

[0678] Community Global Identifier (CGI).

[0679] In some embodiments, the first SFN is any one of the following:

[0680] The pre-configured SFN sequence number, where SFN equals N4, and N4 is greater than or equal to 0;

[0681] The terminal receives the N3rd SFN after receiving the transmission indication information sent by the network device, wherein N3 is configured by the network device, N3 is greater than or equal to 0, and N3 is an integer.

[0682] In some embodiments, the configuration information includes at least one of the following:

[0683] The information added to the auxiliary service cell;

[0684] Information regarding the SSB configuration of the secondary serving cell;

[0685] Information about the configuration of the measurement object.

[0686] In some embodiments, the transmission indication information is used to indicate whether the transmission status of the SSB is active or in a transmission state.

[0687] It should be noted that the synchronization signal block transmission time determination device provided in this application can implement all the method steps implemented by the above-mentioned network device in the method embodiment for determining the synchronization signal block transmission time, and can achieve the same technical effect. Here, the parts that are the same as those in the method embodiment and the beneficial effects will not be described in detail.

[0688] Based on the same technical concept, this application embodiment also provides a device for determining the transmission time of a synchronization signal block, which can realize the function of the network device in the foregoing embodiment.

[0689] See Figure 8 A schematic diagram of the structure of the synchronization signal block transmission time determination device provided in the embodiments of this application. Figure 4 ,like Figure 8 As shown, the synchronization signal block transmission time determination device provided in this embodiment is applied to a network device. The synchronization signal block transmission time determination device 800 includes: a sending unit 801.

[0690] The sending unit 801 is configured to send configuration information and transmission indication information to the terminal, wherein the transmission indication information is used to indicate the SSB transmission status; wherein the configuration information is used to determine the time domain location of the secondary serving cell transmitting the SSB based on the transmission indication information; and / or,

[0691] The sending unit 801 is used to send configuration information containing the start time of the SSB transmission to the terminal, wherein the configuration information is used to determine the time domain location of the secondary serving cell transmitting the SSB.

[0692] The configuration information includes at least one of the following: the synchronization signal block (SSB) transmission period, the SSB transmission time offset, the SSB transmission reference time, and the SSB transmission start time.

[0693] In some embodiments, the reference time for the SSB transmission includes any of the following:

[0694] Use the time of the reference community as the reference time;

[0695] Use the time of special communities as a reference time;

[0696] Using the time of the current secondary serving cell as a reference time, the current secondary serving cell is the secondary serving cell that is currently sending the SSB;

[0697] Before synchronization, the time of the special cell is used as the reference time, and after synchronization, the time of the current auxiliary service cell is used as the reference time.

[0698] Before synchronization, the time of the reference cell is used as the reference time, and after synchronization, the time of the current secondary service cell is used as the reference time.

[0699] In some embodiments, the start time of the SSB transmission is:

[0700] The start time of the first SFN.

[0701] In some embodiments, the time offset of the SSB transmission includes at least one of the following:

[0702] The time offset of the secondary serving cell and the special cell;

[0703] The time offset between the secondary serving cell and the reference cell;

[0704] The SSB time offset of the secondary serving cell.

[0705] In some embodiments, the unit of the time offset of the SSB transmission is any one of the following:

[0706] Millisecond level;

[0707] Time slot level;

[0708] Symbol level.

[0709] In some embodiments, the SSB time offset of the secondary serving cell includes at least one of the following:

[0710] The first time offset difference between the SSB of the secondary serving cell and the SSB defined in the cell;

[0711] The second time offset between the SSB of the secondary serving cell and the SSB that is always transmitted;

[0712] The time offset of the SSB with the secondary serving cell as the time reference;

[0713] The time offset of the SSB with the special cell as the time reference;

[0714] The time offset of the SSB with the reference cell as the time reference.

[0715] In some embodiments, the first time offset is:

[0716] The transmission time of the first SSB is a time offset that is later than the transmission time of the SSB defined by the first cell, or the transmission time of the first SSB is a time offset that is earlier than the transmission time of the SSB defined by the first cell; wherein, the SSB defined by the first cell is the SSB defined by the M1th cell where SFN equals N1, and N1 and MI are both greater than or equal to 0, and N1 and MI are both integers.

[0717] In some embodiments, the second time offset is:

[0718] The transmission time of the first SSB is later than the transmission time of the always transmitted SSB by a time offset, or the transmission time of the first SSB is earlier than the transmission time of the always transmitted SSB by a time offset; wherein, the always transmitted SSB is the M2th always transmitted SSB with SFN equal to N2, where N2 and M2 are both greater than or equal to 0, and N2 and M2 are both integers.

[0719] In some embodiments, if the reference time is taken as the reference cell time, the configuration information further includes at least one of the following:

[0720] Frequency and Physical Cell Identifier (PCI);

[0721] Ancillary service cell index;

[0722] Community Global Identifier (CGI).

[0723] In some embodiments, the first SFN is any one of the following:

[0724] The pre-configured SFN sequence number, where SFN equals N4, and N4 is greater than or equal to 0;

[0725] The terminal receives the N3rd SFN after receiving the transmission indication information sent by the network device, wherein N3 is configured by the network device, N3 is greater than or equal to 0, and N3 is an integer.

[0726] In some embodiments, the configuration information includes at least one of the following:

[0727] The information added to the auxiliary service cell;

[0728] Information regarding the SSB configuration of the secondary serving cell;

[0729] Information about the configuration of the measurement object.

[0730] In some embodiments, the transmission indication information is used to indicate whether the transmission status of the SSB is active or in a transmission state.

[0731] It should be noted that the synchronization signal block transmission time determination device provided in this application can implement all the method steps implemented by the above-mentioned network device in the method embodiment for determining the synchronization signal block transmission time, and can achieve the same technical effect. Here, the parts that are the same as those in the method embodiment and the beneficial effects will not be described in detail.

[0732] The technical solutions provided in this application can be applied to a variety of systems. For example, applicable systems may include Long Term Evolution (LTE) systems, LTE Frequency Division Duplex (FDD) systems, LTE Time Division Duplex (TDD) systems, Long Term Evolution Advanced (LTE-A) systems, Universal Mobile Telecommunications System (UMTS), Worldwide Interoperability for Microwave Access (WiMAX) systems, 5G New Radio (NR) systems and their evolved communication systems, and 6G (sixth generation mobile communication technology) systems. These systems may include terminal equipment and network equipment. The systems may also include a core network component, such as the Evolved Packet Core (EPC) and the 5G Core Network (5GC).

[0733] The terminal devices involved in the embodiments of this application can be devices that provide voice and / or data connectivity to users, handheld devices with wireless connectivity, or other processing devices connected to a wireless modem. The names of the terminal devices may differ in different systems; for example, in 5G or 6G systems, the terminal device may be called User Equipment (UE). Wireless terminal devices can be USB storage devices, other personal computer memory devices, and dongles. They can also communicate with one or more core networks (CNs) via a Radio Access Network (RAN). Wireless terminal devices can be mobile terminal devices, such as mobile phones (or "cellular" phones) and computers with mobile terminal devices. For example, they can be portable, pocket-sized, handheld, computer-embedded, or vehicle-mounted mobile devices that exchange voice and / or data with the radio access network. Examples of such devices include Personal Communication Service (PCS) phones, cordless phones, Session Initiated Protocol (SIP) phones, Wireless Local Loop (WLL) stations, Personal Digital Assistants (PDAs), personal computers, tablets, and Machine-type Communication (MTC) terminal devices. Wireless terminal devices can also be referred to as systems, subscriber units, subscriber stations, mobile stations, mobile devices, remote stations, access points, remote terminals, access terminals, user terminals, user agents, user devices, and wireless access devices and routers / modems that meet the limitations of this definition; however, this application does not limit the scope of the embodiments.

[0734] The network device involved in this application embodiment can be a base station, which may include multiple cells providing services to terminals. Depending on the specific application, the base station may also be called an access point, or a device in the access network that communicates with wireless terminal devices through one or more sectors on the air interface, or other names. The network device can be used to exchange received air frames with Internet Protocol (IP) packets, acting as a router between the wireless terminal device and the rest of the access network, where the rest of the access network may include an Internet Protocol (IP) communication network. The network device can also coordinate the attribute management of the air interface. For example, the network device involved in this application embodiment can be an evolved Node B (eNB or e-NodeB) in a long term evolution (LTE) system, a 5G base station (gNB) in a next generation system, or a Home evolved Node B (HeNB), relay node, femto, pico, network testing equipment, etc., and is not limited in this application embodiment. In some network architectures, network devices may include centralized unit (CU) nodes and distributed unit (DU) nodes, which may also be geographically separated.

[0735] It should be noted that the division of units in the embodiments of this application is illustrative and only represents one logical functional division. In actual implementation, other division methods may be used. Furthermore, the functional units in the various embodiments of this application can be integrated into one processing unit, or each unit can exist physically separately, or two or more units can be integrated into one unit. The integrated units described above can be implemented in hardware or as software functional units.

[0736] If the integrated unit is implemented as a software functional unit and sold or used as an independent product, it can be stored in a processor-readable storage medium. Based on this understanding, the technical solution of this application, in essence, or the part that contributes to the prior art, or all or part of the technical solution, can be embodied in the form of a software product. This computer software product is stored in a storage medium and includes several instructions to cause a computer device (which may be a personal computer, server, or network device, etc.) or processor to execute all or part of the steps of the methods described in the various embodiments of this application.

[0737] This application also provides a non-transitory readable storage medium. The non-transitory readable storage medium stores a computer program that causes a processor to execute any of the above-described method embodiments.

[0738] The non-transiently readable storage medium can be any available medium or data storage device that the processor can access, including but not limited to magnetic memory (such as floppy disks, hard disks, magnetic tapes, magneto-optical disks (MOs), etc.), optical memory (such as CDs, DVDs, BDs, HVDs, etc.), and semiconductor memory (such as ROMs, EPROMs, EEPROMs, non-volatile memory (NAND flash), solid-state drives (SSDs)).

[0739] Those skilled in the art will understand that embodiments of this application can be provided as methods, systems, or computer program products. Therefore, this application can take the form of a completely hardware embodiment, a completely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, this application can take the form of a computer program product implemented on one or more computer-usable storage media (including, but not limited to, disk storage and optical storage) containing computer-usable program code.

[0740] This application is described with reference to flowchart illustrations and / or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of this application. It will be understood that each block of the flowchart illustrations and / or block diagrams, and combinations of blocks in the flowchart illustrations and / or block diagrams, can be implemented by computer-executable instructions. These computer-executable instructions can be provided to a processor of a general-purpose computer, special-purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, generate instructions for implementing the flowchart... Figure 1 One or more processes and / or boxes Figure 1 A device that provides the functions specified in one or more boxes.

[0741] These processor-executable instructions may also be stored in a processor-readable memory that can direct a computer or other programmable data processing device to operate in a particular manner, such that the instructions stored in the processor-readable memory produce an article of manufacture including instruction means, which are implemented in a process Figure 1 One or more processes and / or boxes Figure 1 The function specified in one or more boxes.

[0742] Obviously, those skilled in the art can make various modifications and variations to this application without departing from the spirit and scope of this application. Therefore, if such modifications and variations fall within the scope of the claims of this application and their equivalents, this application also intends to include such modifications and variations.

Claims

1. A method for determining the transmission time of a synchronization signal block, characterized in that, Applied to a terminal, the method comprises: Receiving configuration information sent by a network device, the configuration information comprising at least one of the following: a synchronization signal block (SSB) transmission period, a time offset of SSB transmission, a reference time of SSB transmission, and a start time of SSB transmission; When the start time of SSB transmission is included in the configuration information, determining the time domain position of SSB transmission by the secondary serving cell according to the configuration information; and / or, determining the time domain position of SSB transmission by the secondary serving cell according to the configuration information and transmission indication information, the transmission indication information being used to indicate the transmission state of SSB.

2. The method of claim 1, wherein, The reference time of SSB transmission comprises any of the following: Taking the time of a reference cell as the reference time; Taking the time of a special cell as the reference time; Taking the time of a current secondary serving cell as the reference time, the current secondary serving cell being the secondary serving cell currently sending the SSB; Taking the time of a special cell as the reference time before synchronization, and taking the time of a current secondary serving cell as the reference time after synchronization; Taking the time of a reference cell as the reference time before synchronization, and taking the time of a current secondary serving cell as the reference time after synchronization.

3. The method of claim 1, wherein, The start time of SSB transmission is: The start time of a first system frame number (SFN).

4. The method of claim 1, wherein, The time offset of SSB transmission comprises at least one of the following: The time offset of the secondary serving cell and a special cell; The time offset of the secondary serving cell and a reference cell; The SSB time offset of the secondary serving cell.

5. The method of claim 4, the unit of the time offset of SSB transmission being any of the following: Millisecond level; Slot level; Symbol level.

6. The method of claim 4, wherein, The SSB time offset of the secondary serving cell comprises at least one of the following: The first time offset of the SSB of the secondary serving cell and a cell-defined SSB; The second time offset of the SSB of the secondary serving cell and an always-on SSB; The time offset of the occurrence of SSB taking the secondary serving cell as the time reference; The time offset of the occurrence of SSB taking the special cell as the time reference; The time offset of the occurrence of SSB taking the reference cell as the time reference.

7. The method of claim 6, the first time offset being: the transmission time of the first SSB is later than the transmission time of the SSB defined by the first cell by a time offset, or the transmission time of the first SSB is earlier than the transmission time of the SSB defined by the first cell by a time offset; wherein The first cell-defined SSB being the M1th cell-defined SSB with SFN equal to N1, both N1 and M1 being greater than or equal to 0 and both N1 and M1 being integers.

8. The method of claim 6, the second time offset being: The time offset of the transmission time of the first SSB being later than the transmission time of an always-on SSB, or the time offset of the transmission time of the first SSB being earlier than the transmission time of the always-on SSB; wherein The always-on SSB being the M2th always-on SSB with SFN equal to N2, both N2 and M2 being greater than or equal to 0 and both N2 and M2 being integers.

9. The method according to any one of claims 1 to 8, characterized in that, In a case that the configuration information includes a plurality of the SSB transmission periods and / or time offsets of a plurality of the SSB transmissions, determining, according to the configuration information and transmission indication information, a time domain position of the SSB transmitted by the secondary serving cell comprises: determining, according to the transmission indication information, a SSB transmission period and / or a time offset of a SSB transmission to be used from the configuration information; determining, according to the SSB transmission period and / or the time offset of the SSB transmission to be used, the time domain position of the SSB transmitted by the secondary serving cell.

10. The method according to any one of claims 1 to 8, characterized in that, The method further comprises: determining a start effective time of the SSB transmission; wherein the start effective time of the SSB transmission comprises at least one of: a start time of the SSB transmission indicated by the network device; a time when the transmission indication information is received; a time of waiting for terminal processing signal after the transmission indication information is received; a start time of a nearest SFN to the time when the transmission indication information is received; a start time of a next SFN to the time when the transmission indication information is received; a start time of a previous SFN to the time when the transmission indication information is received; a start time of a nearest always-transmitted SSB to the time when the transmission indication information is received; a start time of a next always-transmitted SSB to the time when the transmission indication information is received; a start time of a previous always-transmitted SSB to the time when the transmission indication information is received.

11. The method according to any one of claims 6-8, characterized in that, In a case that a time offset of the SSB transmission is received, a calculation manner of the time offset of the SSB transmission comprises at least one of: in a case that a time of a special cell is used as a reference time, and a time offset of a SSB of the secondary serving cell is a time offset of a SSB occurrence with the special cell as a time reference, the time offset of the SSB transmission is equal to the time offset of the SSB occurrence with the special cell as the time reference; in a case that a time of a special cell is used as a reference time, and the time offset of the SSB of the secondary serving cell is a time offset of a SSB occurrence with the secondary serving cell as a time reference, the time offset of the SSB transmission is equal to a sum of a time offset of the secondary serving cell and the special cell and the time offset of the SSB occurrence with the secondary serving cell as the time reference; in a case that a time of a reference cell is used as a reference time, and the time offset of the SSB of the secondary serving cell is a time offset of a SSB occurrence with the reference cell as a time reference, the time offset of the SSB transmission is equal to the time offset of the SSB occurrence with the reference cell as the time reference; in a case that a time of a reference cell is used as a reference time, and the time offset of the SSB of the secondary serving cell is a time offset of a SSB occurrence with the secondary serving cell as a time reference, the time offset of the SSB transmission is equal to a sum of a time offset of the secondary serving cell and the reference cell and the time offset of the SSB occurrence with the secondary serving cell as the time reference; In a case that the time of the secondary serving cell is taken as the reference time, and the SSB time offset of the secondary serving cell is the time offset of the SSB occurrence with the secondary serving cell as the time reference, the time offset of the SSB transmission is equal to the time offset of the SSB occurrence with the secondary serving cell as the time reference; In a case that the time of the special cell is taken as the reference time, and the SSB time offset of the secondary serving cell is the first time offset, and the cell-defined SSB is taken as the reference time of the special cell, the time offset of the SSB transmission is equal to the sum of the first time offset and the time offset of the cell-defined SSB; or, in a case that the time of the special cell is taken as the reference time, and the SSB time offset of the secondary serving cell is the second time offset, and the always-transmitted SSB is taken as the reference time of the special cell, the time offset of the SSB transmission is equal to the sum of the second time offset and the time offset of the always-transmitted SSB; In a case that the time of the special cell is taken as the reference time, and the SSB time offset of the secondary serving cell is the first time offset, and the cell-defined SSB is taken as the reference time of the secondary serving cell, the time offset of the SSB transmission is equal to the sum of the time offset of the secondary serving cell and the special cell and the first time offset and the time offset of the cell-defined SSB; or, in a case that the time of the special cell is taken as the reference time, and the SSB time offset of the secondary serving cell is the second time offset, and the always-transmitted SSB is taken as the reference time of the secondary serving cell, the time offset of the SSB transmission is equal to the sum of the time offset of the secondary serving cell and the special cell and the second time offset and the time offset of the always-transmitted SSB; In a case that the time of the reference cell is taken as the reference time, and the SSB time offset of the secondary serving cell is the first time offset, and the cell-defined SSB is taken as the reference time of the reference cell, the time offset of the SSB transmission is equal to the sum of the first time offset and the time offset of the cell-defined SSB; or, in a case that the time of the reference cell is taken as the reference time, and the SSB time offset of the secondary serving cell is the second time offset, and the always-transmitted SSB is taken as the reference time of the reference cell, the time offset of the SSB transmission is equal to the sum of the second time offset and the time offset of the always-transmitted SSB; In a case that the time of the reference cell is taken as the reference time, and the SSB time offset of the secondary serving cell is the first time offset, and the cell-defined SSB is taken as the reference time of the secondary serving cell, the time offset of the SSB transmission is equal to the sum of the time offset of the secondary serving cell and the reference cell, the first time offset, and the time offset of the cell-defined SSB; or in a case that the time of the reference cell is taken as the reference time, and the SSB time offset of the secondary serving cell is the second time offset, and the always-transmitted SSB is taken as the reference time of the secondary serving cell, the time offset of the SSB transmission is equal to the sum of the time offset of the secondary serving cell and the reference cell, the second time offset, and the time offset of the always-transmitted SSB. In a case that the time of the secondary serving cell is taken as the reference time, and the SSB time offset of the secondary serving cell is the first time offset, and the cell-defined SSB is taken as the reference time of the secondary serving cell, the time offset of the SSB transmission is equal to the sum of the first time offset and the time offset of the cell-defined SSB; or in a case that the time of the secondary serving cell is taken as the reference time, and the SSB time offset of the secondary serving cell is the second time offset, and the always-transmitted SSB is taken as the reference time of the secondary serving cell, the time offset of the SSB transmission is equal to the sum of the second time offset and the time offset of the always-transmitted SSB.

12. The method of claim 2, wherein, If the time of the reference cell is taken as the reference time, the configuration information further comprises at least one of the following: a frequency point and a physical cell identifier (PCI); an index of the secondary serving cell; a cell global identifier (CGI).

13. The method of claim 3, wherein, The first SFN is any one of the following: a pre-configured SFN number, wherein the SFN is equal to N4, and N4 is greater than or equal to 0; an N3th SFN after the transmission indication information sent by the network device is received, wherein the N3 is configured by the network device, the N3 is greater than or equal to 0, and the N3 is an integer.

14. The method according to any one of claims 1 to 8, characterized in that, The configuration information is contained in at least one of the following: information of addition of the secondary serving cell; information of SSB configuration of the secondary serving cell; information of measurement object configuration.

15. The method according to any one of claims 1 to 8, characterized in that, The transmission indication information is used to indicate that the transmission state of the SSB is an active state or a transmission state.

16. A method for determining a synchronization signal block transmission time, the method comprising: The method is applied to a network device, and the method comprises: sending configuration information and transmission indication information to a terminal, wherein the transmission indication information is used to indicate a SSB transmission state; and / or sending configuration information containing a start time of the SSB transmission to the terminal, wherein the configuration information is used to determine a time domain position of SSB transmission of a secondary serving cell; The configuration information comprises at least one of the following: a synchronization signal block (SSB) transmission period, a time offset of SSB transmission, a reference time of SSB transmission, and a start time of SSB transmission.

17. The method of claim 16, wherein, The reference time of the SSB transmission comprises any one of the following: the time of the reference cell is taken as the reference time; The time of the special cell is taken as the reference time before synchronization, and the time of the current secondary serving cell is taken as the reference time after synchronization. The time of the current secondary serving cell is taken as the reference time. The time of the special cell is taken as the reference time before synchronization, and the time of the current secondary serving cell is taken as the reference time after synchronization. The time of the reference cell is taken as the reference time before synchronization, and the time of the current secondary serving cell is taken as the reference time after synchronization.

18. The method of claim 16, wherein, The start time of the SSB transmission is: The start time of the first SFN.

19. The method of claim 16, wherein, The time offset of the SSB transmission includes at least one of: The time offset of the secondary serving cell and the special cell; The time offset of the secondary serving cell and the reference cell; The SSB time offset of the secondary serving cell.

20. The method of claim 19, the unit of the time offset of the SSB transmission is any one of: Millisecond level; Slot level; Symbol level.

21. The method of claim 19, wherein, The SSB time offset of the secondary serving cell includes at least one of: The first time offset of the SSB of the secondary serving cell and the cell-defined SSB; The second time offset of the SSB of the secondary serving cell and the always-transmitted SSB; The time offset of the SSB occurrence with the secondary serving cell as the time reference; The time offset of the SSB occurrence with the special cell as the time reference; The time offset of the SSB occurrence with the reference cell as the time reference.

22. The method of claim 21, the first time offset is: the transmission time of the first SSB is later than the transmission time of the SSB defined by the first cell by a time offset, or the transmission time of the first SSB is earlier than the transmission time of the SSB defined by the first cell by a time offset; wherein The first cell-defined SSB is the M1th cell-defined SSB with the SFN equal to N1, wherein N1 and M1 are both greater than or equal to 0, and N1 and M1 are both integers.

23. The method of claim 21, the second time offset is: the transmission time of the first SSB is sent later than the transmission time of the always transmitted SSB by a time offset, or the transmission time of the first SSB is sent earlier than the transmission time of the always transmitted SSB by a time offset; wherein The always-transmitted SSB is the M2th always-transmitted SSB with the SFN equal to N2, wherein N2 and M2 are both greater than or equal to 0, and N2 and M2 are both integers.

24. The method of claim 17, wherein, If the time of the reference cell is taken as the reference time, the configuration information further includes at least one of: The frequency point and the physical cell identifier (PCI); The secondary serving cell index; The cell global identifier (CGI).

25. The method of claim 18, wherein, The first SFN is any one of: A preconfigured SFN sequence number, wherein the SFN is equal to N4, and N4 is greater than or equal to 0; The N3th SFN after the terminal receives the transmission indication information sent by the network device, wherein the N3 is configured by the network device, the N3 is greater than or equal to 0, and the N3 is an integer.

26. The method of any one of claims 16-25, wherein, The configuration information is contained in at least one of: The information of the addition of the secondary serving cell; The information of the SSB configuration of the secondary serving cell; The information of the measurement object configuration.

27. The method of any one of claims 16-25, wherein, The transmission indication information is used to indicate that the transmission state of the SSB is an active state or a transmission state.

28. A device for determining the transmission time of a synchronization signal block, characterized in that, The device is applied to a terminal, and the device includes: A receiving unit, configured to receive the configuration information sent by the network device, wherein the configuration information includes at least one of: a synchronization signal block (SSB) transmission period, a time offset of SSB transmission, a reference time of SSB transmission, and a start time of SSB transmission. The processing unit is configured to determine, according to the configuration information, a time domain position of SSB transmission of the secondary serving cell when the configuration information comprises a start time of SSB transmission; and / or determine, according to the configuration information and transmission indication information, the time domain position of SSB transmission of the secondary serving cell, the transmission indication information being used to indicate a transmission state of SSB.

29. A device for determining the transmission time of a synchronization signal block, characterized in that, The device is applied to a network equipment, and the device comprises: The sending unit is configured to send, to a terminal, configuration information and transmission indication information, the transmission indication information being used to indicate a transmission state of SSB; wherein the configuration information is used to determine, based on the transmission indication information, a time domain position of SSB transmission of the secondary serving cell; and / or, The sending unit is configured to send, to a terminal, configuration information comprising a start time of SSB transmission, wherein the configuration information is used to determine a time domain position of SSB transmission of the secondary serving cell. The configuration information comprises at least one of the following: a synchronization signal block (SSB) transmission period, a time offset of SSB transmission, a reference time of SSB transmission, and a start time of SSB transmission.

30. A device for determining the transmission time of a synchronization signal block, characterized in that, The device is applied to a terminal, and the device comprises a memory, a transceiver, and a processor: The memory is configured to store a computer program; the transceiver is configured to transceive data under control of the processor; and the processor is configured to read the computer program in the memory and perform the following operations: receive configuration information sent by a network equipment, the configuration information comprising at least one of the following: a synchronization signal block (SSB) transmission period, a time offset of SSB transmission, a reference time of SSB transmission, and a start time of SSB transmission; The processing unit is configured to determine, according to the configuration information, a time domain position of SSB transmission of the secondary serving cell when the configuration information comprises a start time of SSB transmission; and / or determine, according to the configuration information and transmission indication information, the time domain position of SSB transmission of the secondary serving cell, the transmission indication information being used to indicate a transmission state of SSB.

31. A device for determining the transmission time of a synchronization signal block, characterized in that, The device is applied to a network equipment, and the device comprises a memory, a transceiver, and a processor: The memory is configured to store a computer program; the transceiver is configured to transceive data under control of the processor; and the processor is configured to read the computer program in the memory and perform the following operations: send, to a terminal, configuration information and transmission indication information, the transmission indication information being used to indicate a transmission state of SSB; wherein the configuration information is used to determine, based on the transmission indication information, a time domain position of SSB transmission of the secondary serving cell; and / or, send, to a terminal, configuration information comprising a start time of SSB transmission, wherein the configuration information is used to determine a time domain position of SSB transmission of the secondary serving cell. The configuration information comprises at least one of the following: a synchronization signal block (SSB) transmission period, a time offset of SSB transmission, a reference time of SSB transmission, and a start time of SSB transmission.

32. A non-transitory readable storage medium, characterized by The non-transitory readable storage medium stores a computer program, and the computer program is used to make the processor execute the method in any one of claims 1 to 27.

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