Synchronization signal block detection method, synchronization signal block detection device and terminal

Abstract

The invention discloses a synchronization signal block detection method and device and a terminal, and belongs to the technical field of communication, and the method comprises the steps that the terminal detects a first synchronization signal block on a first resource, and obtains target synchronization information; the terminal determines a third resource in a second resource based on the target synchronization information, wherein the second resource is a resource associated with a second synchronization signal block; the terminal detects the second synchronization signal block based on the third resource; wherein the first synchronization signal block adopts any one of the following waveform or modulation modes: amplitude shift keying ASK; a frequency shift keying (FSK); an on-off keying (OOK) superposes orthogonal frequency division multiplexing (OFDM); and OFDM.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of communication, and particularly relates to a synchronization signal block detection method and device and a terminal. BACKGROUND

[0002] In a communication system, a terminal usually needs to perform blind detection of a synchronization signal block (SSB) when initially searching for a cell, so as to realize synchronization with a network side device, thereby assisting the terminal in accessing the network. At present, the default SSB period during initial cell search is 20 ms. In order to realize network energy saving, the transmission period of the SSB can be increased. However, increasing the transmission period of the SSB will result in relatively large power consumption of the terminal in detecting the SSB, and at the same time, will increase the time length of the terminal in detecting the SSB during initial cell search. SUMMARY

[0003] Embodiments of the present application provide a synchronization signal block detection method and device and a terminal, which can solve the problem of how to reduce terminal power consumption and reduce synchronization signal block detection time.

[0004] In a first aspect, a synchronization signal block detection method is provided, comprising:

[0005] The terminal detects a first synchronization signal block on a first resource, and obtains target synchronization information;

[0006] The terminal determines a third resource in a second resource based on the target synchronization information, the second resource being a resource associated with a second synchronization signal block;

[0007] The terminal detects the second synchronization signal block based on the third resource;

[0008] The first synchronization signal block adopts any one of the following waveforms or modulation methods: amplitude shift keying (ASK); frequency shift keying (FSK); on-off keying (OOK) superimposed orthogonal frequency division multiplexing (OFDM); and OFDM.

[0009] In a second aspect, a synchronization signal block detection device is provided, comprising:

[0010] A first detection module is configured to detect a first synchronization signal block on a first resource, and obtain target synchronization information;

[0011] A determination module is configured to determine a third resource in a second resource based on the target synchronization information, the second resource being a resource associated with a second synchronization signal block;

[0012] A second detection module is configured to detect the second synchronization signal block based on the third resource;

[0013] The first synchronization signal block adopts any one of the following waveforms or modulation modes: amplitude shift keying (ASK); frequency shift keying (FSK); on-off keying (OOK) superimposed orthogonal frequency division multiplexing (OFDM); or OFDM.

[0014] In a third aspect, a terminal is provided, which includes a processor and a memory, the memory storing programs or instructions executable on the processor, and the programs or instructions, when executed by the processor, implement the steps of the method according to the first aspect.

[0015] In a fourth aspect, a terminal is provided, which includes a processor and a communication interface, and the processor is configured to:

[0016] detect a first synchronization signal block on a first resource, and obtain target synchronization information;

[0017] determine a third resource in a second resource based on the target synchronization information, the second resource being a resource associated with a second synchronization signal block;

[0018] detect the second synchronization signal block based on the third resource;

[0019] The first synchronization signal block adopts any one of the following waveforms or modulation modes: amplitude shift keying (ASK); frequency shift keying (FSK); on-off keying (OOK) superimposed orthogonal frequency division multiplexing (OFDM); or OFDM.

[0020] In a fifth aspect, a readable storage medium is provided, which stores programs or instructions, and the programs or instructions, when executed by a processor, implement the steps of the method according to the first aspect.

[0021] In a fifth aspect, a chip is provided, which includes a processor and a communication interface, the communication interface and the processor being coupled, and the processor is configured to run programs or instructions to implement the steps of the method according to the first aspect.

[0022] In a sixth aspect, a computer program / program product is provided, which is stored in a storage medium, and the computer program / program product is executed by at least one processor to implement the steps of the method according to the first aspect.

[0023] In the embodiment of the present application, the terminal detects a first synchronization signal block on a first resource to obtain target synchronization information; the terminal determines a third resource in a second resource based on the target synchronization information, the second resource being a resource associated with a second synchronization signal block; and the terminal detects the second synchronization signal block based on the third resource; wherein the first synchronization signal block adopts any of the following waveforms or modulation methods: amplitude shift keying (ASK); frequency shift keying (FSK); on-off keying (OOK) superimposed orthogonal frequency division multiplexing (OFDM); and OFDM. In this way, by detecting the first synchronization signal block to obtain the target synchronization information and detecting the second synchronization signal block using the target synchronization information, the detection range of the second synchronization signal block can be reduced, thereby reducing the power consumption of the terminal in detecting the SSB, reducing the time length of the terminal in detecting the SSB in initial cell search, and further reducing the time delay of the terminal in accessing the cell. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 is a block diagram of a wireless communication system to which the embodiment of the present application can be applied;

[0025] Figure 2 is a schematic diagram of an LP WUR in the related art;

[0026] Figure 3 is a schematic diagram of an on-off keying signal in the related art;

[0027] Figure 4 is a schematic diagram of OOK superimposed OFDM in the related art;

[0028] Figure 5 is a structural schematic diagram of an NR SSB in the related art;

[0029] Figure 6 is a structural schematic diagram of an NR PBCH in the related art;

[0030] Figure 7 is a flowchart of a synchronization signal block detection method provided by the embodiment of the present application;

[0031] Figure 8 is one of the signal transmission scenario schematic diagrams provided by the embodiment of the present application;

[0032] Figure 9 is another signal transmission scenario schematic diagram provided by the embodiment of the present application;

[0033] Figure 10 is a third signal transmission scenario schematic diagram provided by the embodiment of the present application;

[0034] Figure 11 is a fourth signal transmission scenario schematic diagram provided by the embodiment of the present application;

[0035] Figure 12 FIG. 5 is a schematic diagram of a signal transmission scenario according to an embodiment of the present application;

[0036] Figure 13 FIG. 6 is a schematic diagram of a signal transmission scenario according to an embodiment of the present application;

[0037] Figure 14 FIG. 7 is a schematic diagram of a structure of a synchronization signal block detection device according to an embodiment of the present application;

[0038] Figure 15 FIG. 8 is a schematic diagram of a structure of a communication device according to an embodiment of the present application;

[0039] Figure 16 FIG. 9 is a schematic diagram of a structure of a terminal according to an embodiment of the present application. DETAILED DESCRIPTION

[0040] The technical solutions in the embodiments of the present application will be clearly described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are some but not all of the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by a person of ordinary skill in the art belong to the scope of protection of the present application.

[0041] The terms "first", "second", and the like in the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It should be understood that the terms used in this way can be interchanged under appropriate circumstances, so that the embodiments of the present application can be implemented in an order other than that illustrated or described herein, and the objects distinguished by "first", "second" are usually a category and do not limit the number of objects, for example, the first object can be one or more. In addition, "or" in the present application means at least one of the connected objects. For example, "A or B" covers three schemes, namely, scheme one: including A and not including B; scheme two: including B and not including A; scheme three: including A and including B. The character " / " generally represents that the objects before and after are in an "or" relationship.

[0042] The term "indication" in the present application can be a direct indication (or explicit indication) or an indirect indication (or implicit indication). The direct indication can be understood as that the sender explicitly informs the receiver of specific information, operations to be performed or requested results, etc. in the indication sent by the sender. The indirect indication can be understood as that the receiver determines the corresponding information according to the indication sent by the sender, or judges and determines the operations to be performed or the requested results according to the judgment result.

[0043] It is worth noting that the technology described in the embodiments of the present application is not limited to Long Term Evolution (LTE) / LTE-Advanced (LTE-A) systems, but can also be used in other wireless communication systems, such as Code Division Multiple Access (CDMA), Time Division Multiple Access (TDMA), Frequency Division Multiple Access (FDMA), Orthogonal Frequency Division Multiple Access (OFDMA), Single-carrier Frequency-Division Multiple Access (SC-FDMA) or other systems. The terms "system" and "network" in the embodiments of the present application are often used interchangeably, and the described technology can be used in the above-mentioned systems and radio technologies, as well as in other systems and radio technologies. The following description describes a New Radio (NR) system for example purposes, and NR terminology is used in most of the following description, but these technologies can also be applied to systems other than NR systems, such as 6th Generation (6G) communication systems. th

[0044] Figure 1 ​A block diagram of a wireless communication system to which embodiments of the present application can be applied is shown. The wireless communication system includes a terminal 11 and a network side device 12. The terminal 11 can be a terminal side device such as a mobile phone, a Tablet Personal Computer, a Laptop Computer, a notebook, a Personal Digital Assistant (PDA), a palm PC, a netbook, an Ultra-mobile Personal Computer (UMPC), a Mobile Internet Device (MID), an Augmented Reality (AR) device, a Virtual Reality (VR) device, a robot, a wearable device, a flight vehicle, a Vehicle User Equipment (VUE), a shipboard device, a Pedestrian User Equipment (PUE), a smart home (a home device with a wireless communication function such as a refrigerator, a television, a washing machine, or furniture, etc.), a game console, a Personal Computer (PC), a kiosk, or a self-service machine, etc. The wearable device includes a smart watch, a smart bracelet, a smart earphone, smart glasses, smart jewelry (a smart bracelet, a smart necklace, a smart ring, a smart necklace, a smart anklet, a smart necklace, etc.), a smart wristband, smart clothes, etc. The vehicle-mounted device can also be referred to as a vehicle-mounted terminal, a vehicle-mounted controller, a vehicle-mounted module, a vehicle-mounted component, a vehicle-mounted chip, or a vehicle-mounted unit, etc. It should be noted that the specific type of the terminal 11 is not limited in the embodiments of the present application. The network side device 12 can include an access network device or a core network device, wherein the access network device can also be referred to as a Radio Access Network (RAN) device, a radio access network function, or a radio access network unit. The access network device can include a base station, a Wireless Local Area Network (WLAN) Access Point (AP), or a Wireless Fidelity (WiFi) node, etc.The base station can be referred to as a Node B (NB), an evolved Node B (eNB), a next generation Node B (gNB), a New Radio Node B (NR Node B), an access point, a relay station (RBS), a serving base station (SBS), a base transceiver station (BTS), a radio base station, a radio transceiver, a basic service set (BSS), an extended service set (ESS), a home Node B (HNB), a home evolved Node B, a transmission reception point (TRP), or some other suitable terminology in the art, and is not limited to a particular technical terminology, provided that the same technical effect is achieved. It should be noted that in the embodiments of the present application, only the base station in the NR system is taken as an example for introduction, and the specific type of the base station is not limited.

[0045] The core network device can include, but is not limited to, at least one of the following: a core network node, a core network function, a mobility management entity (MME), an access and mobility management function (AMF), a session management function (SMF), a user plane function (UPF), a policy control function (PCF), a policy and charging rules function (PCRF), an edge application server discovery function (EASDF), a unified data management (UDM), a unified data repository (UDR), a home subscriber server (HSS), a centralized network configuration (CNC), a network repository function (NRF), a network exposure function (NEF), a local NEF (or L-NEF), a binding support function (BSF), an application function (AF), and the like. It should be noted that only the core network device in the NR system is taken as an example for introduction in the embodiments of the present application, and the specific type of the core network device is not limited.

[0046] For the convenience of understanding, some contents related to the embodiments of the present application are described as follows:

[0047] I. Low power wake up receiver (LP WUR).

[0048] The basic working principle of the LP WUR is that the receiving end comprises a first module and a second module. The first module is a main communication module, used to receive and send communication data transmitted by the sending end. The second module is a low-power module, used to receive a low-power wake-up signal (LP-WUS) and a low-power synchronization signal (LP-SS) sent by the sending end. The low-power wake-up signal is used to wake up the main communication module of the receiving end. The low-power synchronization signal is used to provide time reference information and other information for receiving the low-power wake-up signal, for example, for performing radio resource management (RRM) measurement of a serving cell, and can also provide wake-up link management, for example, determining whether to activate or deactivate the LP-WUR according to the measurement result, and closing the main receiver (MR). As shown in Figure 2 When the first module is not woken up by the second module, it is always in a closed state and does not send or receive data. When there is downlink data, the second module detects the wake-up signal sent by the sending end, and the wake-up signal contains terminal information of the terminal, the second module triggers the first module to switch from the closed state to the working state, and performs data reception and transmission. The second module can be continuously turned on or discontinuously turned on. When the second module is turned on, it can receive the low-power wake-up signal and the low-power synchronization signal.

[0049] II. Low-power wake-up signal

[0050] The low-power wake-up signal is usually some simple on-off keying (OOK) signal, as shown in Figure 3 In this way, the receiver can know the wake-up announcement through simple energy detection and subsequent possible sequence detection and identification processes.

[0051] Since the signal modulation mode of orthogonal frequency division multiplexing (OFDM) is generally used in the NR system. Then the OOK signal can be generated by using the signal generation mode of OFDM, for example, by sending or not sending the OFDM modulated sequence to represent ON / OFF in the time domain. The OOK signal can be received by using a low-power receiver.

[0052] Further, the ON modulated OFDM modulated sequence can further carry information through different sequences, for example, two sequences respectively represent 0 and 1 information, or four sequences respectively represent 00, 01, 10, and 11 information.

[0053] Optionally, the waveform or modulation mode of On-Off Keying (OOK) with overlaid Orthogonal Frequency Division Multiplexing (OFDM) sequence, as shown in Figure 4 , is used, in which part of the information is carried by OOK modulation and the other part of the information is carried by OFDM sequence at ON level.

[0054] III. NR SSB

[0055] In the NR system, as shown in Figure 5 , the SSB usually includes a Primary Synchronisation Signal (PSS), a Secondary Synchronisation Signal (SSS), a Physical broadcast channel (PBCH), and a Physical broadcast channel Demodulation Reference Signal (DMRS).

[0056] Among them, the main functions of PSS and SSS are to achieve symbol-level synchronization and complete the determination of the Physical-layer cell identity (PCI). As shown in Figure 6 , the PBCH contains the Master Information Block (MIB) of the cell and part of the remaining information. The PBCH-DMRS is the PBCH Demodulation Reference Signal and contains part of the SSB-index information (low three bits).

[0057] The synchronization signal block detection method, device and terminal provided by the embodiments of the present application will be described in detail in combination with the accompanying drawings and some embodiments and application scenarios.

[0058] Referring to Figure 7 , the embodiments of the present application provide a synchronization signal block detection method, as shown in Figure 7 , which includes the following steps:

[0059] Step 101: A terminal detects a first synchronization signal block on a first resource to obtain target synchronization information.

[0060] Step 102: The terminal determines a third resource in a second resource based on the target synchronization information, the second resource being a resource associated with a second synchronization signal block.

[0061] Step 103: The terminal detects the second synchronization signal block based on the third resource.

[0062] Among them, the first synchronization signal block adopts any one of the following waveforms or modulation methods: Amplitude Shift Keying (ASK); Frequency Shift Keying (FSK); On-off Keying OOK superimposed Orthogonal Frequency Division Multiplexing OFDM; OFDM.

[0063] The target synchronization information may include relevant information of the detected first synchronization signal block.

[0064] In an embodiment of the present application, the first synchronization signal block can be understood as a low-power synchronization signal block, and the second synchronization signal block can be understood as a synchronization signal block used to assist the terminal in accessing the network, such as SSB.

[0065] Optionally, in some embodiments, the second synchronization signal block can be understood as a non-low-power synchronization signal block, or a non-blind detection synchronization signal block.

[0066] In addition, the waveform or modulation method of the first synchronization signal block can be predefined by network configuration or protocol.

[0067] In addition, the waveform or modulation method of the second synchronization signal block can be predefined by network configuration or protocol.

[0068] In one embodiment, the detection power consumption of the first synchronization signal block is less than the detection power consumption of the second synchronization signal block.

[0069] In one embodiment, the detection time of the first synchronization signal block is less than the detection time of the second synchronization signal block.

[0070] In one embodiment, the third resource may be part of the second resource. The terminal may determine the third resource from the second resource based on the target synchronization information, and detect the second synchronization signal block on the third resource, thereby narrowing the time domain and frequency domain detection range of the second synchronization signal block.

[0071] In addition, the first resource, the second resource, or the third resource may be represented by a resource set or a resource list, etc., which is not limited in this embodiment. For example, the first resource may be represented by a first resource set, the second resource may be represented by a second resource set, and the third resource may be represented by a third resource set.

[0072] In an implementation, a first resource is characterized by a first resource set, a second resource is characterized by a second resource set, and a third resource is characterized by a third resource set. A terminal can detect a first synchronization signal block in the first resource set to obtain target synchronization information. The target synchronization information includes information of one or more detected first synchronization signal blocks. The terminal can determine the third resource set based on the target synchronization information and the second resource set. The terminal can detect a second synchronization signal block based on the third resource set.

[0073] Optionally, the first resource is configured by a network or predefined by a protocol; or

[0074] The second resource is configured by a network or predefined by a protocol.

[0075] The first resource can include at least one of a time domain resource and a frequency domain resource. The second resource can include at least one of a time domain resource and a frequency domain resource.

[0076] It should be noted that network energy saving is of great significance to environmental sustainability, reduction of environmental impact (such as greenhouse gas emissions), and operation cost savings. At present, most of the energy consumption comes from wireless access networks, especially from active antenna units (AAU), and data centers and optical fiber transmission account for a small proportion. The power consumption of wireless access can be divided into a dynamic part and a static part: the dynamic part consumes energy only when data transmission / reception is performed, and the static part always consumes energy to maintain the operation of the wireless access device, even when data transmission / reception is not performed. How to minimize the power consumption of the static part is a technical problem to be solved.

[0077] At present, a synchronization signal block (such as an SSB) is periodically transmitted in an OFDM waveform, and the default period of initial access of the SSB is 20 ms. The short period results in large network energy consumption and load overhead, and cannot effectively achieve network energy saving.

[0078] In the related art, the period of a synchronization signal block (such as the transmission period of an SSB) can be increased to effectively improve network energy saving. However, increasing the period of the synchronization signal block increases the initial access delay of a terminal and increases the complexity and power consumption of the terminal in detecting the synchronization signal block. The embodiments of the present application can reduce the time domain and frequency domain detection range of a second synchronization signal block by detecting a first synchronization signal block first, thereby reducing the initial access delay of a terminal and reducing the complexity and power consumption of the terminal in detecting the synchronization signal block.

[0079] In the embodiment of the present application, a terminal detects a first synchronization signal block on a first resource to obtain target synchronization information; the terminal determines a third resource in a second resource based on the target synchronization information, the second resource being a resource associated with a second synchronization signal block; and the terminal detects the second synchronization signal block based on the third resource, wherein the first synchronization signal block adopts any one of the following waveforms or modulation modes: amplitude shift keying (ASK); frequency shift keying (FSK); on-off keying (OOK) superimposed orthogonal frequency division multiplexing (OFDM); and OFDM. In this way, the target synchronization information is obtained by detecting the first synchronization signal block, and the second synchronization signal block is detected using the target synchronization information, which can reduce the detection range of the second synchronization signal block, thereby reducing the power consumption of the terminal in detecting the SSB, and reducing the time length of the initial search of the terminal in detecting the SSB, and further reducing the time delay of the terminal in accessing the cell.

[0080] Optionally, the frequency domain resource in the first resource includes a first frequency point, and the first frequency point includes a candidate frequency point for transmission of the first synchronization signal block; or the time domain resource in the first resource includes a time domain resource determined in the time domain by a first time window with a first period length.

[0081] Or

[0082] The frequency domain resource in the second resource includes a second frequency point, and the second frequency point includes a candidate frequency point for transmission of the second synchronization signal block, or the time domain resource in the second resource includes a time domain resource determined in the time domain by a second time window with a second period length.

[0083] The first period length is less than or equal to the second period length.

[0084] The number of first frequency points can be multiple, and the number of second frequency points can be multiple. The first frequency point or the second frequency point can be in the form of a frequency point set or a frequency point list, etc., which is not limited in the embodiment. For example, the first frequency point can be represented by a first frequency point set, and the second frequency point can be represented by a second frequency point set.

[0085] The first period length can be the transmission period length of the first synchronization signal block. The second period length can be the transmission period length of the second synchronization signal block.

[0086] In addition, the time domain position of the first time window can be configured by the network or predefined by the protocol; or the time domain position of the first time window can be determined by the terminal according to the network indication.

[0087] In addition, the time domain position of the second time window can be configured by the network or predefined by the protocol; or the time domain position of the second time window can be determined by the terminal according to the network indication.

[0088] In an embodiment, the first resource is characterized by a first resource set, the second resource is characterized by a second resource set, the third resource is characterized by a third resource set, the first frequency point is characterized by a first frequency point set, and the second frequency point is characterized by a second frequency point set. The frequency domain resource of the first resource set includes the first frequency point set, the first frequency point set includes all candidate frequency points of first synchronization signal block transmission, and the time domain resource of the first resource set includes a time window with a first cycle length.

[0089] The second resource set includes a second frequency point set, the second frequency point set includes all candidate frequency points of second synchronization signal block transmission, and the time domain resource of the second resource set includes a time window with a second cycle length.

[0090] The third resource set is a subset of the second resource set determined based on target synchronization information, and the first cycle length is not greater than the second cycle length.

[0091] Optionally, the first frequency point and the second frequency point satisfy a first condition, and the first condition includes any one of the following:

[0092] The first frequency point and the second frequency point do not have the same frequency point, and the number of frequency points of the first frequency point is less than the number of frequency points of the second frequency point.

[0093] The first frequency point and the second frequency point have some same frequency points, and the number of frequency points of the first frequency point is less than the number of frequency points of the second frequency point.

[0094] The first frequency point and the second frequency point are the same.

[0095] The first frequency point and the second frequency point can be the same, which means that all frequency points of the first frequency point and the second frequency point are the same, and the interval between adjacent frequency points in the first frequency point is the same as the interval between adjacent frequency points in the second frequency point.

[0096] In an embodiment, the first frequency point is characterized by a first frequency point set, and the second frequency point is characterized by a second frequency point set. The relationship between the first frequency point set and the second frequency point set is any one of the following:

[0097] The first frequency point set and the second frequency point set include completely different candidate frequency points, and the number of frequency points included in the first frequency point set is less than the number of frequency points included in the second frequency point set. The interval between adjacent frequency points in the first frequency point set is the same as or different from the interval between adjacent frequency points in the second frequency point set.

[0098] or the first frequency point set and the second frequency point set contain completely different or partially same candidate frequency points, and the number of frequency points contained in the first frequency point set is less than the number of frequency points contained in the second frequency point set, and the interval between adjacent two frequency points in the first frequency point set is the same or different from the interval between adjacent two frequency points in the second frequency point set;

[0099] or the first frequency point set and the second frequency point set contain completely same candidate frequency points, and the interval between adjacent two frequency points in the first frequency point set is the same as the interval between adjacent two frequency points in the second frequency point set.

[0100] The frequency points contained in the first frequency point set and the frequency points contained in the second frequency point set are pre-configured by the network or pre-defined by the protocol.

[0101] Optionally, the first period length is a first time length configured by the network or pre-defined by the protocol; or, the first period length is a second time length determined by the terminal according to the network indication.

[0102] or

[0103] The second period length is a third time length configured by the network or pre-defined by the protocol; or, the second period length is a fourth time length determined by the terminal according to the network indication.

[0104] Wherein, the network side can implicitly or explicitly indicate the second time length, and the terminal determines the second time length indicated by the network side as the first period length. For example, the network side can indicate that the transmission period of the first synchronization signal block is the second time length, and the terminal determines the second time length indicated by the network side as the first period length. The network side can implicitly or explicitly indicate the fourth time length, and the terminal determines the fourth time length indicated by the network side as the second period length. For example, the network side can indicate that the transmission period of the second synchronization signal block is the fourth time length, and the terminal determines the fourth time length indicated by the network side as the second period length.

[0105] It should be noted that the network can set the first period length by configuration or dynamic indication, such as the network can first configure a first period length of a longer period, and then dynamically indicate to modify a first period length of a shorter period. The network can set the second period length by configuration or dynamic indication, such as the network can first configure a second period length of a longer period, and then dynamically indicate to modify a second period length of a shorter period.

[0106] In an implementation, the first period length can be a first time length preconfigured by the network or predefined by a protocol; or, after the network preconfigures or the protocol predefines the first time length, the network reconfigures the first time length for the terminal, the terminal detects the first synchronization signal block by taking the latest configured first time length as the first period length, or the terminal detects the first synchronization signal block by taking a second time length determined according to a dynamic indication of the network as the first period length.

[0107] In an implementation, the period length of the time domain resource of the third resource set is the same as the period length of the time domain resource of the second resource set, and both are a second period length. The second period length can be a third time length preconfigured by the network or predefined by a protocol; or, after the network preconfigures or the protocol predefines the third time length, the network reconfigures the third time length for the terminal, the terminal detects the second synchronization signal block by taking the latest configured third time length as the second period length, or the terminal detects the first synchronization signal block by taking a fourth time length determined according to a dynamic indication of the network as the second period length.

[0108] Optionally, the target synchronization information includes at least one of the following:

[0109] time domain position information of the detected first synchronization signal block;

[0110] frequency domain position information of the detected first synchronization signal block;

[0111] first indication information carried by the detected first synchronization signal block.

[0112] In an implementation, the time domain position information of the detected first synchronization signal block includes one or more time domain positions at which the first synchronization signal block is detected in the first resource.

[0113] In an implementation, the frequency domain position information of the detected first synchronization signal block includes one or more frequency points at which the first synchronization signal block is detected in the first frequency point.

[0114] In an implementation, the terminal can determine the frequency domain resource included in the third resource based on the time domain position information of the first synchronization signal block and the second frequency point; or can determine the frequency domain resource included in the third resource based on the frequency domain position information of the first synchronization signal block and the second frequency point; or can determine the frequency domain resource included in the third resource based on the first indication information carried by the first synchronization signal block and the second frequency point.

[0115] It should be understood that the first resource can be a candidate resource of the first synchronization signal block, and the time domain position information of the detected first synchronization signal block or the frequency domain position information of the detected first synchronization signal block can be used to indicate the resource in which the terminal actually detects the first synchronization signal block.

[0116] Optionally, the terminal determines a third resource in the second resource based on the target synchronization information, including at least one of:

[0117] The terminal determines a first frequency domain resource based on the detected time domain position information of the first synchronization signal block and the second frequency point.

[0118] The terminal determines a second frequency domain resource based on the detected frequency domain position information of the first synchronization signal block and the second frequency point.

[0119] The terminal determines a third frequency domain resource based on the first indication information and the second frequency point.

[0120] The third resource includes the first frequency domain resource, the second frequency domain resource, or the third frequency domain resource.

[0121] Optionally, the time domain position information of the first synchronization signal block indicates at least one set of time domain transmission positions of the first synchronization signal block within a first period length, and each set of time domain transmission positions is associated with at least one second frequency point.

[0122] The first frequency domain resource includes the second frequency point associated with at least one set of time domain transmission positions of the first synchronization signal block detected by the terminal.

[0123] For example, the frequency domain resource in the second resource includes a second frequency point which can be divided into multiple subsets, such as subset 1, subset 2, …, and subset J, each subset containing at least one candidate frequency point for transmission of a second synchronization signal block. The terminal can determine the subset associated with at least one second frequency point according to the detected set of time domain transmission positions of the first synchronization signal block (for example, set of transmission positions 1 is associated with subset 1, set of transmission positions 2 is associated with subset 2, …, and set of transmission positions J is associated with subset J). The terminal can detect the second synchronization signal block only in the second frequency point contained in the subset associated with the successfully detected set of time domain transmission positions of one or more first synchronization signal blocks.

[0124] In an embodiment, the terminal determines a first frequency domain resource based on the detected time domain position information of the first synchronization signal block and the second frequency point, as characterized by the second frequency point set, as follows:

[0125] The first synchronization signal block contains at least one set of time domain transmission positions within a first period length, and each set of time domain transmission positions is associated with one or more frequency point information in the second frequency point set. The terminal determines the frequency domain resource contained in the third resource according to at least one frequency point in the second frequency point set associated with the detected at least one set of time domain transmission positions.

[0126] The set of time domain transmission positions in the one first period length is identified by at least one of a sequence or an information block.

[0127] The association between the set of one or more time domain positions in the first period length and the one or more second frequency points is pre-configured by the network or pre-defined by a protocol.

[0128] Optionally, the set of time domain transmission positions is indicated by a sequence or an information block in the first synchronization signal block.

[0129] Optionally, the association between the set of time domain transmission positions and the second frequency points is configured by the network or pre-defined by a protocol.

[0130] In an embodiment, the terminal can obtain the association between the set of time domain transmission positions and the second frequency points; and the terminal can determine the second frequency points associated with the at least one set of time domain transmission positions of the first synchronization signal block detected by the terminal in the second resource based on the association between the set of time domain transmission positions and the second frequency points and the at least one set of time domain transmission positions of the first synchronization signal block detected by the terminal.

[0131] Optionally, the frequency domain position information of the first synchronization signal block is used to indicate at least one first frequency point, and the third resource includes at least one second frequency point associated with the first frequency point indicated by the frequency domain position information.

[0132] In an embodiment, taking the case of a first frequency point characterized by a first set of frequency points and a second frequency point characterized by a second set of frequency points as an example, the terminal determines the second frequency resource based on the detected frequency domain position information of the first synchronization signal block and the second frequency point as follows: according to the one or more frequency points in the first set of frequency points included in the frequency domain position information of the first synchronization signal block, the terminal determines the one or more frequency point information in the associated second set of frequency points, and the frequency domain resource included in the third resource includes the frequency points characterized by the one or more frequency point information in the associated second set of frequency points. The association between the one or more frequency points in the first set of frequency points and the one or more frequency point information in the second set of frequency points is pre-configured by the network or pre-defined by a protocol.

[0133] For example, the terminal determines the one or more second frequency points associated with the one or more first frequency points of the detected first synchronization signal block, and the terminal can only detect the second synchronization signal block when the one or more second frequency points associated with the one or more first frequency points of the detected first synchronization signal block are successfully detected.

[0134] In an embodiment, the terminal can acquire an association relationship between the first frequency point and the second frequency point; the terminal can determine at least one second frequency point associated with the first frequency point indicated by the frequency domain location information in the second resource based on the association relationship between the first frequency point and the second frequency point and the first frequency point indicated by the frequency domain location information; and the third resource includes at least one second frequency point associated with the first frequency point indicated by the frequency domain location information.

[0135] In an embodiment, the association relationship between the first frequency point and the second frequency point is configured by a network or predefined by a protocol.

[0136] Optionally, the first indication information is used to indicate at least one second frequency point, and the third resource includes the second frequency point indicated by the first indication information.

[0137] For example, the first indication information can indicate a frequency point index or a frequency point identifier of at least one second frequency point, and the third resource can include a second frequency point represented by the frequency point index or the frequency point identifier indicated by the first indication information. The terminal can only detect a second synchronization signal block in a second frequency point represented by the frequency point index or the frequency point identifier indicated by the first indication information.

[0138] In an embodiment, taking a second frequency point represented by a second frequency point set as an example, the terminal determines a third frequency domain resource based on the first indication information and the second frequency point as follows: the first indication information contains indication information of one or more frequency point indexes in the second frequency point set, and the third resource contains frequency domain resources including the frequency points indicated by the frequency point indexes indicated by the first indication information.

[0139] Optionally, the time domain location represented by the time domain location information of the first synchronization signal block includes a time domain start position or a time domain end position of the first synchronization signal block, and the terminal determines the third resource in the second resource based on the target synchronization information, including:

[0140] The terminal determines a target time domain location based on the time domain start position or the time domain end position of the first synchronization signal block.

[0141] The terminal determines a target period in the time domain resource of the second resource based on the target time domain location.

[0142] The terminal determines a third time window based on the target period, a start position of the third time window is the target time domain location in the target period, and an end position of the third time window is determined based on the target time domain location and a second time domain offset; or the end position of the third time window is an end position of the target period.

[0143] The third resource includes time domain resources determined by the third time window with the second period length in the time domain.

[0144] In addition, the target time domain position can be a time domain position obtained by adding a first time domain offset to a time domain start position of the first synchronization signal block, or the target time domain position can be a time domain position obtained by adding the first time domain offset to a time domain end position of the first synchronization signal block, or the target time domain position can be the time domain start position of the first synchronization signal block, or the target time domain position can be the time domain end position of the first synchronization signal block, and the like, which are not limited in the embodiment. The first time domain offset can be configured by a network or predefined by a protocol.

[0145] Optionally, the terminal determines the target time domain position based on a time domain start position or a time domain end position of the first synchronization signal block, including:

[0146] The terminal determines the target time domain position based on a first time domain offset and a time domain start position or a time domain end position of the first synchronization signal block.

[0147] The first time domain offset is a time domain offset of a detection range of the second synchronization signal block relative to the first synchronization signal block.

[0148] The target time domain position can be a time domain position obtained by adding a first time domain offset to a time domain start position of the first synchronization signal block, or the target time domain position can be a time domain position obtained by adding the first time domain offset to a time domain end position of the first synchronization signal block.

[0149] In an implementation, the target time domain position can be a first time domain position, and the terminal can determine the first time domain position based on a time domain start position of the first synchronization signal block and a predefined first time domain offset; determine a period (i.e., a target period) in a time domain resource of the second resource according to the first time domain position, take the first time domain position as a start position and an end position of the period, or add a second time domain offset to the first time domain position as the end position to obtain a time window of a time domain resource of the third resource, i.e., a third time window; the time domain resource included in the third resource includes time domain resources determined by the third time window with the second period length in the time domain, and the first time domain offset and the second time domain offset are greater than or equal to 0. The first time domain position can be a time domain position obtained by adding the first time domain offset to the time domain start position of the first synchronization signal block.

[0150] In an implementation, the target time domain position can be a second time domain position, and the terminal can determine the second time domain position based on a time domain end position of the first synchronization signal block and a predefined first time domain offset; determine a period (i.e., a target period) in time domain resources of the second resource according to the second time domain position, take the second time domain position as a start position and an end position of the period; or add the second time domain position to a second time domain offset to obtain an end position, and obtain a time window (i.e., a third time window) in time domain resources of the third resource. The time domain resources included in the third resource include time domain resources determined repeatedly in time domain with a second period length in the third time window. The first time domain offset and the second time domain offset are greater than or equal to 0. The second time domain position can be a time domain position obtained by adding the first time domain offset to the time domain end position of the first synchronization signal block.

[0151] In addition, the units of the first time offset and the second time offset can be a symbol length, a slot length, or a subframe length, and the lengths of the symbol, the slot, or the subframe can be determined based on the first synchronization signal block waveform or the second synchronization signal block waveform. The units of the first time offset and the second time offset can also be milliseconds or seconds.

[0152] Optionally, the terminal detects the second synchronization signal block based on the third resource, including any one of the following:

[0153] The terminal receives the second synchronization signal block on the third resource and detects the second synchronization signal block.

[0154] The terminal receives a signal on the second resource and detects the second synchronization signal block in the received signal based on the third resource.

[0155] In the method, the terminal can receive and detect the second synchronization signal block on the third resource after determining the third resource based on the target synchronization information; or the terminal can receive the second synchronization signal block on the second resource, and detect the received second synchronization signal block on the third resource after determining the third resource based on the target synchronization information.

[0156] In an implementation, the terminal receives the second synchronization signal block on the third resource and detects the second synchronization signal block. For example, the terminal detects the second synchronization signal block on the third resource determined based on the acquired target synchronization information in a time period after a time period in which the terminal detects the first synchronization signal block to acquire the target synchronization information. Thus, the terminal receives and detects the second synchronization signal block after determining the third resource, and the receiving of the second synchronization signal block and the detecting of the second synchronization signal block are performed in parallel, which can not require storing the received signal and can reduce the storage overhead.

[0157] In an implementation, the terminal receives a signal on the second resource, and detects the second synchronization signal block in the received signal based on the third resource. For example, the terminal detects the second synchronization signal block based on the third resource determined according to the acquired target synchronization information in the same time period as detecting the first synchronization signal block. Thus, the terminal can receive the second synchronization signal block in advance without determining the third resource and receiving the second synchronization signal block, and the time delay for detecting the second synchronization signal block is reduced.

[0158] It should be noted that detecting a signal can refer to demodulating or analyzing a received signal to determine whether the received signal is a desired signal. For example, detecting the second synchronization signal block can refer to demodulating or analyzing a received signal to determine whether the received signal is the second synchronization signal block.

[0159] In the embodiments of the present application, the waveform of the first synchronization signal block is modulated by using the above modulation mode, and thus the power consumption and complexity of blind detection of the first synchronization signal block by the terminal are reduced.

[0160] Optionally, the terminal detects the first synchronization signal block on the first resource, and acquires target synchronization information, including:

[0161] If the terminal detects the first synchronization signal block on the first resource within a first time, the terminal acquires target synchronization information based on the detected first synchronization signal block.

[0162] The method further includes:

[0163] If the terminal does not detect the first synchronization signal block on the first resource within the first time, the terminal detects a second synchronization signal block based on the second resource.

[0164] In an implementation, the terminal can detect the first synchronization signal block on the first resource from the moment of turning on. If the terminal detects the first synchronization signal block on the first resource within a first time, the terminal acquires target synchronization information based on the detected first synchronization signal block. If the terminal does not detect the first synchronization signal block on the first resource within the first time, the terminal detects a second synchronization signal block based on the second resource.

[0165] It should be noted that if the terminal detects the first synchronization signal block on the first resource for more than a first time and cannot acquire target synchronization information, the terminal detects a second synchronization signal block on the second resource. The first time can be preconfigured by a network or predefined by a protocol.

[0166] Optionally, the terminal detects the first synchronization signal block on the first resource, including:

[0167] The terminal detects the first synchronization signal block on the first resource in a first mode or a second mode;

[0168] The terminal detects the second synchronization signal block based on the third resource, including:

[0169] The terminal detects the second synchronization signal block based on the third resource in the second mode;

[0170] The peak power consumption corresponding to the first mode is less than the peak power consumption corresponding to the second mode.

[0171] In an implementation, the terminal can detect the first synchronization signal block on the first resource in the first mode, and detect the second synchronization signal block based on the third resource in the second mode.

[0172] It should be noted that the peak power consumption corresponding to the first mode is less than the peak power consumption corresponding to the second mode can be understood as that the terminal can detect the first synchronization signal block by lower power consumption and detect the second synchronization signal block by higher power consumption, that is, the complexity of the first synchronization signal block is lower than that of the second synchronization signal block, wherein the terminal detects the first synchronization signal block by blind detection, and detects the second synchronization signal block based on the second synchronization information, so as to reduce the complexity of the second synchronization signal block detection.

[0173] It should be noted that in the embodiments of the present application, the first mode can be understood or replaced as a first power consumption level, and the second mode can be understood or replaced as a second power consumption level.

[0174] In order to better understand the present application, the following is described by some examples. In the following examples, the first resource is represented by a first resource set, the second resource is represented by a second resource set, the third resource is represented by a third resource set, the first frequency point is represented by a first frequency point set, and the second frequency point is represented by a second frequency point set.

[0175] Example one:

[0176] The terminal receives and detects the first synchronization signal block and the second synchronization signal block based on the first frequency point set and the second frequency point set.

[0177] The frequency domain position relationship between the first frequency point set and the second frequency point set is any of the following: the candidate frequency points contained in the first frequency point set and the second frequency point set are completely different, and the number of frequency points contained in the first frequency point set is less than the number of frequency points contained in the second frequency point set, the interval between adjacent two frequency points in the first frequency point set is the same as or different from the interval between adjacent two frequency points in the second frequency point set;

[0178] or the first frequency point set and the second frequency point set contain completely different or partially same candidate frequency points, and the number of frequency points contained in the first frequency point set is less than the number of frequency points contained in the second frequency point set, and the interval between adjacent two frequency points in the first frequency point set is the same or different from the interval between adjacent two frequency points in the second frequency point set;

[0179] or the first frequency point set and the second frequency point set contain completely same candidate frequency points, and the interval between adjacent two frequency points in the first frequency point set is the same as the interval between adjacent two frequency points in the second frequency point set.

[0180] The frequency points contained in the first frequency point set and the frequency points contained in the second frequency point set are pre-configured by the network or pre-defined by the protocol.

[0181] In an implementation, the receiving bandwidth of the terminal is all the frequency bands within the frequency band range corresponding to the first frequency point set and the frequency band range corresponding to the second frequency point set. The terminal detects the first synchronization signal block on all the frequency points contained in the first frequency point set within a time length not less than one first synchronization signal block transmission period, acquires target synchronization information according to the detected first synchronization signal block, and narrows the time domain and / or frequency domain detection range of the second synchronization signal block based on the target synchronization information. The terminal detects the second synchronization signal block in the following ways: detects the second synchronization signal block based on the acquired target synchronization information within the same time length as detecting the first synchronization signal block; or detects the second synchronization signal block according to the target synchronization information in the next time period after the time length in which the terminal detects the first synchronization signal block to acquire the target synchronization information.

[0182] In an implementation, the first receiving bandwidth of the terminal is not less than the size of the frequency band range in which the first frequency point set is located, and the second receiving bandwidth of the terminal is less than the size of the frequency band range in which the second frequency point set is located. The terminal receives the first synchronization signal block by using the first receiving bandwidth and receives the second synchronization signal block by using the second receiving bandwidth. The terminal detects the first synchronization signal block on all the frequency points contained in the first frequency point set within a time length not less than one first synchronization signal block transmission period, acquires target synchronization information according to the detected first synchronization signal block, and narrows the time domain and / or frequency domain detection range of the second synchronization signal block based on the target synchronization information. The terminal detects the second synchronization signal block in the following ways: divides the second frequency point set into multiple subsets, each subset contains all the frequency points corresponding to a frequency band range whose size is not more than the second receiving bandwidth of the terminal, and the terminal detects the second synchronization signal block within multiple second synchronization signal block transmission periods based on the narrowed time domain and / or frequency domain detection range of the second synchronization signal block.

[0183] In an embodiment, the first receiving bandwidth of the terminal is not less than the size of the frequency band range where the first set of frequency points is located, the second receiving bandwidth of the terminal is not less than the size of the frequency band range where the second set of frequency points is located, the terminal detects the first synchronization signal block on all frequency points included in the first set of frequency points within a time length not less than one first synchronization signal block transmission period, acquires target synchronization information according to the detected first synchronization signal block, and narrows the time domain and / or frequency domain detection range of the second synchronization signal block based on the target synchronization information. The terminal detects the second synchronization signal block in the following manner: detects the second synchronization signal block based on the acquired target synchronization information within the same time length as detecting the first synchronization signal block; or detects the second synchronization signal block according to the target synchronization information in the next time period after the time length in which the terminal acquires the target synchronization information by detecting the first synchronization signal block. Otherwise, the terminal does not detect the second synchronization signal block.

[0184] In an embodiment, the first receiving bandwidth of the terminal is less than the size of the frequency band range corresponding to the first set of frequency points, and therefore the first set of frequency points is divided into multiple subsets, each subset includes all frequency points corresponding to a frequency band range whose size does not exceed the first receiving bandwidth of the terminal, and the terminal detects the first synchronization signal block on all frequency points included in a corresponding subset within multiple time lengths, each time length is not less than one first synchronization signal block transmission period. The terminal detects the second synchronization signal block based on the acquired target synchronization information only within the time length in which the terminal detects the first synchronization signal block or in the time period after that, otherwise, the terminal does not detect the second synchronization signal block.

[0185] Example II:

[0186] The terminal determines the frequency domain resources included in the third resource set based on the time domain position information of the first synchronization signal block and the second resource set.

[0187] The terminal detects the first synchronization signal block in the first resource set. Specifically, the terminal detects the first synchronization signal block on all frequency points included in the first set of frequency points within a time length not less than one first synchronization signal block period. One period of the first synchronization signal block includes at least one transmission position set of the first synchronization signal block. Each transmission position set can be associated with at least one candidate frequency point subset set of the second synchronization signal block. Each transmission position set of the first synchronization signal block includes at least one transmission position of the first synchronization signal block. Each transmission position of the first synchronization signal block can be used to implement transmission of the same content on different beams, such as Figure 8As shown, all candidate frequency points included in the second frequency point set can be divided into multiple subsets (subset 1, subset 2, ..., subset J), each subset contains at least one candidate frequency point, and the terminal determines at least one second synchronization signal block candidate frequency point subset associated with it based on the transmission position set identifier of the detected first synchronization signal block (such as transmission position set 1 is associated with subset 1, transmission position set 2 is associated with subset 2, ..., transmission position set J is associated with subset J). The terminal detects the second synchronization signal block only at the frequency points included in the one or more second synchronization signal block candidate frequency point subsets associated with the one or more successfully detected first synchronization signal block transmission position sets. Optionally, the transmission position set identifier of the first synchronization signal block can be carried by the first synchronization signal block, such as by at least one of a sequence or an information block. The method for the terminal to specifically receive and detect the first synchronization signal block and the second synchronization signal block can be referred to Example 1.

[0188] Example 3:

[0189] The terminal determines the frequency domain resources included in the third resource set based on the frequency domain position information of the first synchronization signal block and the second resource set.

[0190] The terminal detects the first synchronization signal block in the first resource set. Specifically, the terminal detects the first synchronization signal block on all frequency points included in the first frequency point set within a time length that is not less than one first synchronization signal block period. The frequencies of the first frequency point set are associated with the frequencies of the second frequency point set, and the association can be predefined through network configuration or protocol. The terminal determines the frequencies of one or more second frequency point sets associated with the detected first synchronization signal block based on the one or more frequency point positions of the detected first synchronization signal block. The terminal detects the second synchronization signal block only at the frequencies of one or more second frequency point sets associated with the one or more successfully detected first synchronization signal block frequencies. The method for the terminal to specifically receive and detect the first synchronization signal block and the second synchronization signal block can be seen in Example 1.

[0191] Optionally, the association relationship between the frequencies of the first frequency set and the frequencies of the second frequency set includes any one of the following:

[0192] like Figure 9 As shown, the frequency bands of the first frequency point set and the second frequency point set do not overlap, the candidate frequencies included in the first frequency point set and the second frequency point set are completely different, the number of frequencies included in the first frequency point set is smaller than the number of frequencies included in the second frequency point set, and the spacing between two adjacent frequencies in the first frequency point set is the same as or different from the spacing between two adjacent frequencies in the second frequency point set. One frequency in the first frequency point set is associated with at least one frequency in the second frequency point set.

[0193] like Figure 10As shown, the frequency band ranges of the first frequency point set and the second frequency point set are partially overlapped, the candidate frequency points contained in the first frequency point set and the second frequency point set are completely different or partially the same, and the number of frequency points contained in the first frequency point set is smaller than the number of frequency points contained in the second frequency point set, the spacing between two adjacent frequency points in the first frequency point set is the same as or different from the spacing between two adjacent frequency points in the second frequency point set, and one frequency point in the first frequency point set is associated with multiple frequency points in the second frequency point set.

[0194] like Figure 11 As shown, the frequency band range of the first frequency point set and the second frequency point set are exactly the same, and the candidate frequency points contained in the first frequency point set and the second frequency point set are exactly the same, the spacing between two adjacent frequency points in the first frequency point set is the same as the spacing between two adjacent frequency points in the second frequency point set, and a frequency point in the first frequency point set is uniquely associated with a frequency point in the second frequency point set.

[0195] Example 4:

[0196] The terminal determines the frequency domain resources included in the third resource set based on the first indication information carried by the first synchronization signal block and the second frequency point set.

[0197] The terminal detects the first synchronization signal block in the first resource set. Specifically, the terminal detects the first synchronization signal block on all frequency points included in the first frequency point set within a time length not less than one first synchronization signal block period. Figure 12 As shown, a period of the first synchronization signal block includes a transmission position set of at least one first synchronization signal block, and each transmission position set of the first synchronization signal block includes a transmission position of at least one first synchronization signal block. The transmission position of each first synchronization signal block can be used to realize the transmission of the same content in different beams. The first synchronization signal block carries first indication information, and the first indication information includes indication information of one or more frequency point indexes in the second frequency point set. Optionally, the multiple frequency points in the second frequency point set can be divided into a subset (such as subset 1, subset 2, ..., subset J), and the first indication information can also include index information of one or more frequency point subsets. The terminal detects the second synchronization signal block only at one or more second synchronization signal block frequencies indicated by the one or more first indication information that are successfully detected. The method for the terminal to specifically receive and detect the first synchronization signal block and the second synchronization signal block can be referred to Example 1.

[0198] In one implementation, at least two of the methods in Examples 2, 3, and 4 may be combined to jointly determine that the third resource set includes frequency domain resources.

[0199] Example 5:

[0200] The terminal determines the time domain resources included in the third resource set based on the target synchronization information and the second resource set.

[0201] The terminal detects the first synchronization signal block in the first resource set, specifically, the terminal detects the first synchronization signal block in all frequency points contained in the first frequency point set in a time length no less than one period of the first synchronization signal block, and each period of the first synchronization signal block contains at least one set of transmission positions of the first synchronization signal block, and each set of transmission positions of the first synchronization signal block contains at least one transmission position of the first synchronization signal block, and each transmission position of the first synchronization signal block can be used to implement transmission of the same content in different beams. Figure 13 As shown in the figure, the terminal determines the first time domain position or the second time domain position according to the time domain start position or the time domain end position of the detected first synchronization signal block plus a predefined first time domain offset, and determines a period in the time domain resource of the second resource set according to the first time domain position or the second time domain position, and takes the first time domain position or the second time domain position as the start position of the time window, takes the end position of the period as the end position of the time window, or takes the first time domain position or the second time domain position plus a second time domain offset as the end position of the time window, to obtain a time window of the time domain resource of the third resource set, and the time window repeats in the time domain with a second period, and the values of the first time domain offset and the second time domain offset are greater than or equal to 0.

[0202] In an implementation, the first synchronization signal block is transmitted adjacent to the second synchronization signal block, and the end position of the transmission of the first synchronization signal block has no time interval with the start position of the transmission of the second synchronization signal block, that is, the first time offset is 0.

[0203] In the above example, the terminal can detect the first synchronization signal block in a low-power-consumption mode or a regular power consumption mode, and detect the second synchronization signal block in the regular power consumption mode. The peak power consumption of the low-power-consumption mode is lower than that of the regular power consumption mode, and the low-power-consumption mode can be implemented by a low-power-consumption receiver.

[0204] In an implementation, the candidate frequency points of the first frequency point set and the second frequency point set are related to at least one of the following:

[0205] Operating frequency bands, including types (such as Time Division Duplex (TDD), Frequency Division Duplex (FDD), licensed and unlicensed, etc.) and frequency band ranges;

[0206] Subcarrier spacing of the first synchronization signal block, for example, subcarrier spacing used by an OFDM generator used to generate the first synchronization signal block;

[0207] Global synchronization channel number (GSCN)

[0208] Absolute Radio Frequency Channel Number (ARFCN)

[0209] Frequency band supported by the terminal.

[0210] The above examples one to five can be combined with each other, and the above examples one to five can be combined with the embodiments of Figure 7 as a supplementary description of the embodiments of Figure 7 .

[0211] The synchronization signal block detection method provided by the embodiments of the present application can be executed by a synchronization signal block detection device. In the embodiments of the present application, the synchronization signal block detection method executed by the synchronization signal block detection device is taken as an example to illustrate the synchronization signal block detection device provided by the embodiments of the present application.

[0212] Please refer to Figure 14 , Figure 14 is a structural diagram of a synchronization signal block detection device provided by the embodiments of the present application. The terminal includes the synchronization signal block detection device, as shown in Figure 14 , the synchronization signal block detection device 200 includes:

[0213] The first detection module 201 is configured to detect a first synchronization signal block on a first resource to obtain target synchronization information.

[0214] The determination module 202 is configured to determine a third resource in a second resource based on the target synchronization information, the second resource being a resource associated with a second synchronization signal block.

[0215] The second detection module 203 is configured to detect the second synchronization signal block based on the third resource.

[0216] The first synchronization signal block adopts any one of the following waveforms or modulation methods: amplitude shift keying (ASK); frequency shift keying (FSK); on-off keying (OOK) superimposed orthogonal frequency division multiplexing (OFDM); and OFDM.

[0217] Optionally, the frequency domain resource in the first resource includes a first frequency point, and the first frequency point includes a candidate frequency point for transmission of the first synchronization signal block; or the time domain resource in the first resource includes a time domain resource determined in the time domain by a first time window with a first period length.

[0218] or

[0219] The frequency domain resource in the second resource includes a second frequency point, and the second frequency point includes a candidate frequency point of the second synchronization signal block transmission, or the time domain resource in the second resource includes a time domain resource determined in the time domain by a second time window with a second period length.

[0220] The first period length is less than or equal to the second period length.

[0221] Optionally, the first frequency point and the second frequency point satisfy a first condition, and the first condition includes any one of the following:

[0222] The first frequency point and the second frequency point do not have the same frequency point, and the number of frequency points of the first frequency point is less than the number of frequency points of the second frequency point.

[0223] The first frequency point and the second frequency point have some same frequency points, and the number of frequency points of the first frequency point is less than the number of frequency points of the second frequency point.

[0224] The first frequency point and the second frequency point are the same.

[0225] Optionally, the first period length is a first time length configured by a network or predefined by a protocol, or the first period length is a second time length determined by the terminal according to a network indication.

[0226] Or

[0227] The second period length is a third time length configured by a network or predefined by a protocol, or the second period length is a fourth time length determined by the terminal according to a network indication.

[0228] Optionally, the target synchronization information includes at least one of the following:

[0229] Time domain position information of the detected first synchronization signal block;

[0230] Frequency domain position information of the detected first synchronization signal block;

[0231] First indication information carried by the detected first synchronization signal block.

[0232] Optionally, the determination module is specifically configured to at least one of the following:

[0233] Determine a first frequency domain resource based on the detected time domain position information of the first synchronization signal block and the second frequency point;

[0234] Determine a second frequency domain resource based on the detected frequency domain position information of the first synchronization signal block and the second frequency point;

[0235] determine a third frequency domain resource based on the first indication information and the second frequency point;

[0236] The third resource includes the first frequency domain resource, the second frequency domain resource, or the third frequency domain resource.

[0237] Optionally, the time domain position information of the first synchronization signal block indicates at least one time domain transmission position set of the first synchronization signal block within a first period length, and each time domain transmission position set is associated with at least one second frequency point.

[0238] The first frequency domain resource includes the second frequency point associated with the at least one time domain transmission position set of the first synchronization signal block detected by the terminal.

[0239] Optionally, the identification of the time domain transmission position set is indicated by a sequence or an information block in the first synchronization signal block.

[0240] Optionally, the association between the time domain transmission position set and the second frequency point is configured by a network or predefined by a protocol.

[0241] Optionally, the frequency domain position information of the first synchronization signal block indicates at least one first frequency point, and the third resource includes at least one second frequency point associated with the first frequency point indicated by the frequency domain position information.

[0242] Optionally, the association between the first frequency point and the second frequency point is configured by a network or predefined by a protocol.

[0243] Optionally, the first indication information indicates at least one second frequency point, and the third resource includes the second frequency point indicated by the first indication information.

[0244] Optionally, the time domain position represented by the time domain position information of the first synchronization signal block includes a time domain start position or a time domain end position of the first synchronization signal block, and the determining module includes:

[0245] A first determining unit, configured to determine a target time domain position based on the time domain start position or the time domain end position of the first synchronization signal block.

[0246] A second determining unit, configured to determine a target period in a time domain resource of the second resource based on the target time domain position.

[0247] The third determining unit is configured to determine a third time window based on the target period, wherein a start position of the third time window is the target time domain position in the target period, and an end position of the third time window is determined based on the target time domain position and a second time domain offset; or the end position of the third time window is an end position of the target period.

[0248] The third resource comprises time domain resources determined in a time domain by the third time window and the second period length.

[0249] Optionally, the first determining unit is specifically configured to:

[0250] determine a target time domain position based on a first time domain offset and a time domain start position or a time domain end position of the first synchronization signal block.

[0251] The first time domain offset is a time domain offset of a detection range of the second synchronization signal block relative to the first synchronization signal block.

[0252] Optionally, the third detection module is specifically configured to perform any one of the following:

[0253] receive the second synchronization signal block on the third resource, and detect the second synchronization signal block.

[0254] receive a signal on the second resource, and detect the second synchronization signal block in the received signal based on the third resource.

[0255] Optionally, the first detection module is specifically configured to:

[0256] if the first synchronization signal block is detected on the first resource within a first time, acquire target synchronization information based on the detected first synchronization signal block.

[0257] The apparatus further comprises:

[0258] The third detection module is configured to, if the first synchronization signal block is not detected on the first resource within the first time, detect a second synchronization signal block based on the second resource.

[0259] Optionally, the first detection module is specifically configured to:

[0260] detect the first synchronization signal block on the first resource in a first mode or a second mode.

[0261] The second detection module is specifically configured to:

[0262] detect the second synchronization signal block based on the third resource in the second mode.

[0263] The peak power consumption corresponding to the first mode is less than the peak power consumption corresponding to the second mode.

[0264] Optionally, the first resource is configured by a network or predefined by a protocol.

[0265] The second resource is configured by a network or predefined by a protocol.

[0266] The synchronization signal block detection apparatus in the embodiments of the present application can be an electronic device, for example, an electronic device with an operating system, or a component in an electronic device, for example, an integrated circuit or a chip. The electronic device can be a terminal or other device than a terminal. Exemplarily, the terminal can include, but is not limited to, the types of the terminal 11 listed above, and the other device can be a server, a network attached storage (NAS), etc., which are not limited in the embodiments of the present application.

[0267] The synchronization signal block detection apparatus provided in the embodiments of the present application can implement the method embodiments Figure 7 The method embodiments achieve the same technical effects, and thus details are not repeated.

[0268] Optionally, as Figure 15 indicated, the embodiments of the present application further provide a communication device 300, which includes a processor 301 and a memory 302, and the memory 302 stores programs or instructions executable on the processor 301. For example, when the communication device 300 is a terminal, the programs or instructions are executed by the processor 301 to implement each step of the synchronization signal block detection method embodiments applied to the terminal, and achieve the same technical effects. Details are not repeated.

[0269] The embodiments of the present application further provide a terminal, which includes a processor and a communication interface. The communication interface is coupled to the processor, and the processor is configured to run programs or instructions to implement the steps in the method embodiments as Figure 7 indicated. The terminal embodiments correspond to the terminal-side method embodiments described above, and each implementation process and implementation manner of the method embodiments can be applied to the terminal embodiments and achieve the same technical effects.

[0270] Specifically, Figure 16 A hardware structure diagram of a terminal for implementing the embodiments of the present application.

[0271] The terminal 400 includes, but is not limited to, at least part of the following components: a radio frequency unit 401, a network module 402, an audio output unit 403, an input unit 404, a sensor 405, a display unit 406, a user input unit 407, an interface unit 408, a memory 409, and a processor 410, etc.

[0272] Those skilled in the art can understand that the terminal 400 can further include a power supply (such as a battery) for supplying power to each component, and the power supply can be logically connected to the processor 410 through a power management system, so that the power management system can realize the functions of managing charging, discharging, and power consumption management. Figure 16 The terminal structure shown in the figure does not constitute a limitation on the terminal, and the terminal can include more or fewer components than the figure, or combine certain components, or different component arrangements, which are not described here.

[0273] It should be understood that in the embodiments of the present application, the input unit 404 can include a graphics processing unit (GPU) 4041 and a microphone 4042. The GPU 4041 processes image data of a still picture or a video obtained by an image capture device (such as a camera) in a video capture mode or an image capture mode. The display unit 406 can include a display panel 4061, which can be configured in the form of a liquid crystal display, an organic light-emitting diode, etc. The user input unit 407 includes at least one of a touch panel 4071 and other input devices 4072. The touch panel 4071 is also called a touch screen. The touch panel 4071 can include two parts of a touch detection device and a touch controller. The other input devices 4072 can include, but are not limited to, a physical keyboard, function keys (such as volume control keys, on-off keys, etc.), trackballs, mice, joysticks, etc., which are not described here.

[0274] In the embodiments of the present application, after the radio frequency unit 401 receives the downlink data from the network side device, it can be transmitted to the processor 410 for processing. In addition, the radio frequency unit 401 can send uplink data to the network side device. Generally, the radio frequency unit 401 includes, but is not limited to, an antenna, an amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, etc.

[0275] The memory 409 can be used to store software programs or instructions and various data. The memory 409 can mainly include a first storage area storing programs or instructions and a second storage area storing data, wherein the first storage area can store an operating system, application programs or instructions required by at least one function (such as a sound playing function, an image playing function, etc.), and the like. In addition, the memory 409 can include a volatile memory or a non-volatile memory, or the memory 409 can include both a volatile memory and a non-volatile memory. The non-volatile memory can be a Read-Only Memory (ROM), a Programmable ROM (PROM), an Erasable PROM (EPROM), an Electrically EPROM (EEPROM), or a flash memory. The volatile memory can be a Random Access Memory (RAM), a Static RAM (SRAM), a Dynamic RAM (DRAM), a Synchronous DRAM (SDRAM), a Double Data Rate SDRAM (DDR SDRAM), an Enhanced SDRAM (ESDRAM), a Synch link DRAM (SLDRAM), and a Direct Rambus RAM (DRRAM). The memory 409 in the embodiments of the present application includes but is not limited to these and any other suitable types of memory.

[0276] The processor 410 can include one or more processing units; optionally, the processor 410 integrates an application processor and a modem processor, wherein the application processor mainly processes operations related to an operating system, a user interface, and an application program, and the modem processor mainly processes wireless communication signals, such as a baseband processor. It can be understood that the above-mentioned modem processor can also not be integrated into the processor 410.

[0277] The processor 410 is configured to:

[0278] detect a first synchronization signal block on a first resource to obtain target synchronization information;

[0279] determine a third resource in a second resource based on the target synchronization information, the second resource being a resource associated with a second synchronization signal block;

[0280] detect the second synchronization signal block based on the third resource;

[0281] The first synchronization signal block adopts any one of the following waveforms or modulation modes: amplitude shift keying (ASK); frequency shift keying (FSK); on-off keying (OOK) superimposed orthogonal frequency division multiplexing (OFDM); or OFDM.

[0282] Optionally, the frequency domain resource in the first resource includes a first frequency point, and the first frequency point includes a candidate frequency point for transmission of the first synchronization signal block; or the time domain resource in the first resource includes a time domain resource determined in the time domain by a first time window with a first period length.

[0283] Or

[0284] The frequency domain resource in the second resource includes a second frequency point, and the second frequency point includes a candidate frequency point for transmission of the second synchronization signal block, or the time domain resource in the second resource includes a time domain resource determined in the time domain by a second time window with a second period length.

[0285] The first period length is less than or equal to the second period length.

[0286] Optionally, the first frequency point and the second frequency point satisfy a first condition, and the first condition includes any one of the following:

[0287] The first frequency point and the second frequency point do not have the same frequency point, and the number of frequency points of the first frequency point is less than the number of frequency points of the second frequency point.

[0288] The first frequency point and the second frequency point have some same frequency points, and the number of frequency points of the first frequency point is less than the number of frequency points of the second frequency point.

[0289] The first frequency point and the second frequency point are the same.

[0290] Optionally, the first period length is a first time length configured by a network or predefined by a protocol; or the first period length is a second time length determined by the terminal according to a network indication.

[0291] Or

[0292] The second period length is a third time length configured by a network or predefined by a protocol; or the second period length is a fourth time length determined by the terminal according to a network indication.

[0293] Optionally, the target synchronization information includes at least one of the following:

[0294] Time domain position information of the detected first synchronization signal block;

[0295] frequency domain position information of the detected first synchronization signal block;

[0296] first indication information carried by the detected first synchronization signal block.

[0297] Optionally, the processor 410 is specifically configured to perform at least one of the following:

[0298] determine a first frequency domain resource based on the detected time domain position information of the first synchronization signal block and the second frequency point;

[0299] determine a second frequency domain resource based on the detected frequency domain position information of the first synchronization signal block and the second frequency point;

[0300] determine a third frequency domain resource based on the first indication information and the second frequency point;

[0301] The third resource includes the first frequency domain resource, the second frequency domain resource, or the third frequency domain resource.

[0302] Optionally, the time domain position information of the first synchronization signal block is used to indicate at least one set of time domain transmission positions of the first synchronization signal block within a first period length, and each set of time domain transmission positions is associated with at least one second frequency point.

[0303] The first frequency domain resource includes a second frequency point associated with at least one set of time domain transmission positions of the first synchronization signal block detected by the terminal.

[0304] Optionally, the identity of the set of time domain transmission positions is indicated by a sequence or an information block in the first synchronization signal block.

[0305] Optionally, the association between the set of time domain transmission positions and the second frequency point is configured by a network or predefined by a protocol.

[0306] Optionally, the frequency domain position information of the first synchronization signal block is used to indicate at least one first frequency point, and the third resource includes at least one second frequency point associated with the first frequency point indicated by the frequency domain position information.

[0307] Optionally, the association between the first frequency point and the second frequency point is configured by a network or predefined by a protocol.

[0308] Optionally, the first indication information is used to indicate at least one second frequency point, and the third resource includes the second frequency point indicated by the first indication information.

[0309] Optionally, the time domain position information of the first synchronization signal block comprises a time domain start position or a time domain end position of the first synchronization signal block, and the processor 410 is specifically configured to:

[0310] determine a target time domain position based on the time domain start position or the time domain end position of the first synchronization signal block;

[0311] determine a target period in the time domain resource of the second resource based on the target time domain position;

[0312] determine a third time window based on the target period, wherein a start position of the third time window is the target time domain position in the target period, and an end position of the third time window is determined based on the target time domain position and a second time domain offset, or the end position of the third time window is an end position of the target period;

[0313] wherein the third resource comprises time domain resources determined based on the third time window and the second period length in the time domain.

[0314] Optionally, the processor 410 is specifically configured to:

[0315] determine a target time domain position based on a first time domain offset and the time domain start position or the time domain end position of the first synchronization signal block;

[0316] wherein the first time domain offset is a time domain offset of a detection range of the second synchronization signal block relative to the first synchronization signal block.

[0317] Optionally, the processor 410 is specifically configured to any one of the following:

[0318] receive the second synchronization signal block on the third resource and detect the second synchronization signal block;

[0319] receive a signal on the second resource, and detect the second synchronization signal block in the received signal based on the third resource.

[0320] Optionally, the processor 410 is specifically configured to:

[0321] if the first synchronization signal block is detected on the first resource within a first time, obtain target synchronization information based on the detected first synchronization signal block;

[0322] if the first synchronization signal block is not detected on the first resource within the first time, detect a second synchronization signal block based on the second resource.

[0323] Optionally, the processor 410 is specifically configured to:

[0324] detect a first synchronization signal block on a first resource in a first mode or a second mode;

[0325] detect the second synchronization signal block based on the third resource in the second mode;

[0326] The first mode corresponds to a peak power consumption less than a peak power consumption corresponding to the second mode.

[0327] Optionally, the first resource is configured by a network or predefined by a protocol; or

[0328] The second resource is configured by a network or predefined by a protocol.

[0329] It can be understood that the implementation process of each implementation manner mentioned in the embodiment can refer to the related description of the method embodiment Figure 3 and achieve the same or corresponding technical effects. To avoid repetition, it will not be repeated here.

[0330] Specifically, the terminal of the embodiment of the application further includes instructions or programs stored on the memory 409 and executable on the processor 410, and the processor 410 invokes the instructions or programs in the memory 409 to execute the method executed by each module shown in the method embodiment Figure 14 and achieve the same technical effects. To avoid repetition, it will not be repeated here.

[0331] The embodiment of the application also provides a readable storage medium, the readable storage medium stores programs or instructions, the programs or instructions are executed by a processor to implement each process of the above-mentioned synchronization signal block detection method embodiment, and the same technical effects can be achieved. To avoid repetition, it will not be repeated here.

[0332] The processor is the processor in the terminal described in the above-mentioned embodiments. The readable storage medium includes a computer readable storage medium, such as a computer readable memory (ROM), a random access memory (RAM), a magnetic disk or an optical disk, etc. In some examples, the readable storage medium can be a non-transitory readable storage medium.

[0333] The embodiment of the application further provides a chip, the chip includes a processor and a communication interface, the communication interface and the processor are coupled, the processor is used to run programs or instructions to implement each process of the above-mentioned synchronization signal block detection method embodiment, and the same technical effects can be achieved. To avoid repetition, it will not be repeated here.

[0334] It should be understood that the chip mentioned in the embodiment of the application can also be referred to as a system chip, a system chip, a chip system or a system on chip, etc.

[0335] The embodiment of the present application further provides a computer program / program product stored in a storage medium, which is executed by at least one processor to implement each process of the above-mentioned synchronization signal block detection method embodiment, and can achieve the same technical effects. To avoid repetition, details are not described herein.

[0336] The embodiment of the present application further provides a synchronization signal block detection system, which comprises a terminal and a network side device. The terminal can be used to execute the steps of the above-mentioned synchronization signal block detection method applied to the terminal.

[0337] It should be noted that, in this document, the terms "comprising", "including", or any other variant thereof are intended to cover non-exclusive inclusions, so that processes, methods, articles, or devices including a series of elements not only include those elements, but also include other elements not explicitly listed, or further include elements inherent to such processes, methods, articles, or devices. Without more limitations, the element defined by the statement "including a" does not exclude the presence of another identical element in the process, method, article, or device including the element. In addition, it should be pointed out that the scope of the methods and devices in the embodiments of the present application is not limited to performing functions in the order shown or discussed, but can also include performing functions in a substantially simultaneous manner or in reverse order, for example, the described method can be performed in an order different from that described, and various steps can also be added, omitted, or combined. In addition, the features described with reference to certain examples can be combined in other examples.

[0338] From the above description of the embodiments, those skilled in the art can clearly understand that the above-mentioned embodiment method can be realized by means of computer software product and general hardware platform, of course, it can also be realized by hardware. The computer software product is stored in a storage medium (such as ROM, RAM, magnetic disc, optical disc, etc.), which includes a plurality of instructions for making the terminal or network side device execute the method described in each embodiment of the present application.

[0339] The embodiments of the present application are described above in combination with the drawings, but the present application is not limited to the above-mentioned specific embodiments, which are only illustrative and not restrictive. Those skilled in the art can make many forms of embodiments under the inspiration of the present application without departing from the scope of the present application and the protection scope of the claims.

Claims

1. A synchronization signal block detection method, characterized in that: The method comprises: a terminal detecting a first synchronization signal block on a first resource to obtain target synchronization information; the terminal determining a third resource in a second resource based on the target synchronization information, the second resource being a resource associated with a second synchronization signal block; the terminal detecting the second synchronization signal block based on the third resource; wherein the first synchronization signal block adopts any one of the following waveforms or modulation modes: amplitude shift keying (ASK); frequency shift keying (FSK); on-off keying (OOK) superimposed orthogonal frequency division multiplexing (OFDM); or OFDM.

2. The method of claim 1, wherein, The frequency domain resource in the first resource comprises a first frequency point, and the first frequency point comprises a candidate frequency point for transmission of the first synchronization signal block; or the time domain resource in the first resource comprises a time domain resource determined in the time domain by a first time window with a first period length. Or The frequency domain resource in the second resource comprises a second frequency point, and the second frequency point comprises a candidate frequency point for transmission of the second synchronization signal block; or the time domain resource in the second resource comprises a time domain resource determined in the time domain by a second time window with a second period length. Wherein, the first period length is less than or equal to the second period length.

3. The method of claim 2, wherein, The first frequency point and the second frequency point satisfy a first condition, and the first condition comprises any one of the following: The first frequency point and the second frequency point do not have the same frequency point, and the number of frequency points of the first frequency point is less than the number of frequency points of the second frequency point; The first frequency point and the second frequency point have some same frequency points, and the number of frequency points of the first frequency point is less than the number of frequency points of the second frequency point; The first frequency point and the second frequency point are the same.

4. The method according to any one of claims 2-3, characterized in that, The target synchronization information comprises at least one of the following: time domain position information of the detected first synchronization signal block; frequency domain position information of the detected first synchronization signal block; first indication information carried by the detected first synchronization signal block.

5. The method of claim 4, wherein, The terminal determines a third resource in a second resource based on the target synchronization information, which comprises at least one of the following: The terminal determines a first frequency domain resource based on the detected time domain position information of the first synchronization signal block and the second frequency point; The terminal determines a second frequency domain resource based on the detected frequency domain position information of the first synchronization signal block and the second frequency point; The terminal determines a third frequency domain resource based on the first indication information and the second frequency point; Wherein, the third resource comprises the first frequency domain resource, the second frequency domain resource or the third frequency domain resource.

6. The method according to claim 4 or 5, characterized in that, The time domain position information of the first synchronization signal block is used to indicate at least one set of time domain transmission positions of the first synchronization signal block within a first period length, and each set of time domain transmission positions is associated with at least one second frequency point; Wherein, the first frequency domain resource comprises the second frequency point associated with at least one set of time domain transmission positions of the first synchronization signal block detected by the terminal.

7. The method according to any one of claims 4-6, characterized in that, The frequency domain position information of the first synchronization signal block is used to indicate at least one first frequency point, and the third resource comprises at least one second frequency point associated with the first frequency point indicated by the frequency domain position information.

8. The method according to any one of claims 4-7, characterized in that, The first indication information is used for indicating at least one second frequency point, and the third resource includes the second frequency point indicated by the first indication information.

9. The method according to any one of claims 4 to 8, characterized in that The time domain position information of the first synchronization signal block includes a time domain start position or a time domain end position of the first synchronization signal block, and the terminal determines a target time domain position based on the target synchronization information. The terminal determines a target time domain position based on the time domain start position or the time domain end position of the first synchronization signal block. The terminal determines a target period in a time domain resource of the second resource based on the target time domain position. The terminal determines a third time window based on the target period, a start position of the third time window is the target time domain position in the target period, and an end position of the third time window is determined based on the target time domain position and a second time domain offset. The third resource includes a time domain resource determined by the third time window in the time domain with the second period length.

10. The method of claim 9, wherein, The terminal determines a target time domain position based on the time domain start position or the time domain end position of the first synchronization signal block. The terminal determines a target time domain position based on a first time domain offset and the time domain start position or the time domain end position of the first synchronization signal block. The first time domain offset is a time domain offset of a detection range of the second synchronization signal block relative to the first synchronization signal block.

11. The method according to any one of claims 1-10, characterized in that, The terminal detects the second synchronization signal block based on the third resource, including: The terminal receives a signal on the second resource and detects the second synchronization signal block in the received signal based on the third resource.

12. The method according to any one of claims 1-11, characterized in that, The terminal detects a first synchronization signal block on a first resource and obtains target synchronization information, including: If the terminal detects a first synchronization signal block on a first resource within a first time, the terminal obtains target synchronization information based on the detected first synchronization signal block. The method further includes: If the terminal does not detect the first synchronization signal block on the first resource within the first time, the terminal detects a second synchronization signal block based on the second resource.

13. The method according to any one of claims 1-12, characterized in that, The terminal detects a first synchronization signal block on a first resource, including: The terminal detects a first synchronization signal block on a first resource in a first mode or a second mode. The terminal detects the second synchronization signal block based on the third resource in the second mode. The peak power consumption corresponding to the first mode is less than the peak power consumption corresponding to the second mode. The terminal detects a first synchronization signal block on a first resource and obtains target synchronization information, including:

14. A synchronization signal block detection device, characterized in that: A first detection module is configured to detect a first synchronization signal block on a first resource and obtain target synchronization information. A determination module is configured to determine a third resource in a second resource based on the target synchronization information, the second resource being a resource associated with a second synchronization signal block. A second detection module is configured to detect the second synchronization signal block based on the third resource. ​ The first synchronization signal block adopts any one of the following waveforms or modulation modes: amplitude shift keying (ASK); frequency shift keying (FSK); on-off keying (OOK) superimposed orthogonal frequency division multiplexing (OFDM); or OFDM.

15. The apparatus of claim 14, wherein, The frequency domain resource in the first resource includes a first frequency point, and the first frequency point includes a candidate frequency point of the first synchronization signal block transmission; or the time domain resource in the first resource includes time domain resources determined in the time domain by a first time window with a first period length. Or The frequency domain resource in the second resource includes a second frequency point, and the second frequency point includes a candidate frequency point of the second synchronization signal block transmission, or the time domain resource in the second resource includes time domain resources determined in the time domain by a second time window with a second period length. The first period length is less than or equal to the second period length.

16. The apparatus of claim 15, wherein, The first frequency point and the second frequency point satisfy a first condition, and the first condition includes any one of the following: The first frequency point and the second frequency point do not have the same frequency point, and the number of frequency points of the first frequency point is less than the number of frequency points of the second frequency point. The first frequency point and the second frequency point have some same frequency points, and the number of frequency points of the first frequency point is less than the number of frequency points of the second frequency point. The first frequency point and the second frequency point are the same.

17. The apparatus of any one of claims 15-16, wherein, The target synchronization information includes at least one of the following: Time domain position information of the detected first synchronization signal block; Frequency domain position information of the detected first synchronization signal block; First indication information carried by the detected first synchronization signal block.

18. The apparatus of claim 17, wherein, The determination module is specifically configured to perform at least one of the following: Determine a first frequency domain resource based on the detected time domain position information of the first synchronization signal block and the second frequency point; Determine a second frequency domain resource based on the detected frequency domain position information of the first synchronization signal block and the second frequency point; Determine a third frequency domain resource based on the first indication information and the second frequency point. The third resource includes the first frequency domain resource, the second frequency domain resource, or the third frequency domain resource.

19. The apparatus of claim 17 or 18, wherein, The time domain position information of the first synchronization signal block is used to indicate at least one set of time domain transmission positions of the first synchronization signal block within a first period length, and each set of time domain transmission positions is associated with at least one second frequency point. The first frequency domain resource includes the second frequency point associated with at least one set of time domain transmission positions of the first synchronization signal block detected by the terminal.

20. A terminal, characterized by The chip includes a processor and a communication interface, the communication interface and the processor are coupled, and the processor is used to run a program or instructions to realize the steps of the synchronization signal block detection method according to any one of claims 1-13.

21. A chip, characterized by The readable storage medium stores a program or instructions, and the program or instructions are executed by the processor to realize the steps of the synchronization signal block detection method according to any one of claims 1-13.

22. A readable storage medium, characterized by, ​ 23. A computer program / program product, characterized in that, The computer program / program product, when executed by the at least one processor, implements the steps of the synchronization signal block detection method of any of claims 1-13.

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