Ssb period switching method, apparatus, and device
By reusing the downlink control signaling format to indicate SSB periodic switching, the problem of high energy consumption in 5G networks is solved, and energy consumption is reduced without affecting system performance.
Patent Information
- Application Number
- CN202510561047.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-29
- Publication Date
- 2026-11-06
AI Technical Summary
5G networks have high energy consumption, especially due to the high spectrum density of the SSB cycle, which results in total energy consumption that is nearly four times that of LTE. How to reduce the overall energy consumption of the network has become an urgent problem to be solved.
By reusing the existing downlink control signaling format, the SSB cycle handover of the current cell is indicated, thereby adjusting the SSB cycle and reducing system energy consumption.
Without affecting system performance, the system energy consumption was reduced by switching the SSB periodically.
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Figure CN123056167A_ABST
Abstract
Description
Technical Field
[0001] This disclosure relates to the field of communication technology, and in particular to a method, apparatus and device for SSB cycle switching. Background Technology
[0002] Currently, the energy consumption of a single base station in a 5G network is more than three times that of Long-Term Evolution (LTE) technology. Furthermore, due to the higher spectrum density of 5G networks, the total energy consumption of 5G networks is nearly four times that of LTE, with energy costs accounting for almost half of the total network operating costs. Therefore, reducing overall network energy consumption has become an urgent problem to be solved. Summary of the Invention
[0003] This disclosure provides an SSB cycle switching method, an SSB cycle switching method apparatus, a terminal device, and a network device, to at least partially solve the problem of high overall network energy consumption.
[0004] According to a first aspect of this disclosure, an SSB cycle switching method is provided, the method comprising:
[0005] The network device receives first information carried in downlink control signaling, wherein the first information is used to indicate the second SSB cycle adopted by the current cell.
[0006] In one possible implementation, the first information is sent by the network device when it determines that the SSB cycle is switching from the first SSB cycle to the second SSB cycle.
[0007] In one possible implementation, the downlink control signaling includes multiple signaling blocks, each associated with a cell; the location of a cell in the downlink control signaling is configured by Radio Resource Control (RRC) signaling or Media Access Control (MAC) Control Element (CE) signaling.
[0008] In one possible implementation, the first information is determined based on the configuration information of the target signaling block corresponding to the current cell.
[0009] In one possible implementation, when the target indication method for the second SSB period indicated by the target signaling block is a bitmap method, the configuration information of the target signaling block corresponding to the current cell is determined based on the following method:
[0010] The number of SSB cycles supported by the current cell is determined, and the size of the target signaling block is determined based on the number of cycles; and the location corresponding to the second SSB cycle is determined based on the size of the target signaling block, and a fixed mark is applied to the location to determine the configuration information of the target signaling block corresponding to the current cell.
[0011] In one possible implementation, when the target indication method for the second SSB period indicated by the target signaling block is the index method, the configuration information of the target signaling block corresponding to the current cell is determined based on the following method:
[0012] Determine the identification information of the second SSB cycle; and use the information corresponding to the identification information in the target signaling block as the configuration information of the target signaling block.
[0013] In one possible implementation, when the current cell supports cell-level discontinuous reception and cell-level discontinuous transmission characteristics, and it is determined that the target indication method for the second SSB period indicated by the target signaling block is bitmap mode, then the configuration information of the target signaling block corresponding to the current cell is determined based on the following method:
[0014] Determine the number of SSB cycles supported by the current cell, and determine the size information of the second part of the target signaling block used to indicate the SSB cycle based on the number of cycles;
[0015] The location corresponding to the second SSB cycle is determined based on the size information of the second part of the target signaling block used to indicate the SSB cycle, and the location is marked with a fixed mark to obtain the configuration information of the second part of the target signaling block used to indicate the SSB cycle.
[0016] In one possible implementation, when the current cell supports cell-level discontinuous reception and cell-level discontinuous transmission characteristics, and it is determined that the target indication method for the second SSB period indicated by the target signaling block is the index method, then the configuration information of the target signaling block corresponding to the current cell is determined based on the following method:
[0017] Determine the identification information for the second SSB cycle;
[0018] The information corresponding to the identification information in the target signaling block will be used as the configuration information for the second part of the target signaling block used to indicate the SSB cycle.
[0019] According to a second aspect of this disclosure, an SSB cycle switching method is provided, the method comprising:
[0020] Determine if the current cell supports switching of multiple Synchronization Block (SSB) cycles;
[0021] When the SSB cycle switches from the first SSB cycle to the second SSB cycle, the first information indicating the second SSB cycle used by the current cell is sent to the terminal device via downlink control signaling.
[0022] In one possible implementation, before determining that the current cell supports handover of multiple Synchronization Block (SSB) cycles, the method further includes:
[0023] For cells that support SSB cycle handover, configure N SSB cycles, where N is a positive integer not less than 2.
[0024] In one possible implementation, determining that the current cell supports handover of multiple Synchronization Block (SSB) cycles includes:
[0025] If the first signaling instruction includes an indication that the current cell supports handover for multiple Synchronization Block (SSB) cycles, then it is determined that the current cell supports handover for multiple SSB cycles; or,
[0026] If it is determined that multiple SSB cycles are configured in the first signaling, then it is determined that the current cell supports the switching of multiple synchronization information block SSB cycles.
[0027] In one possible implementation, the first signaling is Radio Resource Control (RRC) signaling or Media Access Control (MAC) Control Element (CE) signaling.
[0028] In one possible implementation, the downlink control signaling includes multiple signaling blocks, each associated with a cell; the location of a cell in the downlink control signaling is configured by Radio Resource Control (RRC) signaling or Media Access Control (MAC) Control Element (CE) signaling.
[0029] In one possible implementation, when the SSB cycle switches from the first SSB cycle to the second SSB cycle, the terminal is informed of the second SSB cycle currently used by the cell via downlink control signaling, including:
[0030] Determine the configuration information of the target signaling block corresponding to the current cell;
[0031] The downlink control signaling carries first information determined based on the configuration information to indicate to the terminal device the second SSB cycle used by the current cell.
[0032] In one possible implementation, determining the configuration information of the target signaling block corresponding to the current cell includes:
[0033] Determine the target indication method for the second SSB cycle through the target signaling block;
[0034] The configuration information of the target signaling block is determined according to the target indication method.
[0035] In one possible implementation, if the target indication method is a bitmap method, then the configuration information of the target signaling block is determined according to the target indication method, including:
[0036] Determine the number of SSB cycles supported by the current cell, and determine the size of the target signaling block based on the number of cycles.
[0037] The position corresponding to the second SSB cycle is determined based on the size information of the target signaling block, and the position is marked with a fixed mark to obtain the configuration information of the target signaling block.
[0038] In one possible implementation, if the target indication method is an index method, then the configuration information of the target signaling block is determined according to the target indication method, including:
[0039] Determine the identification information for the second SSB cycle;
[0040] The information corresponding to the identification information in the target signaling block will be used as the configuration information of the target signaling block.
[0041] In one possible implementation, if the current cell supports cell-level discontinuous reception and cell-level discontinuous transmission, then the configuration information of the target signaling block corresponding to the current cell is determined, including:
[0042] The target signaling block is determined to include a first portion for indicating the cell-level discontinuous reception and cell-level discontinuous transmission characteristics, and a second portion for indicating the SSB period;
[0043] Determine the target indication method for indicating the second SSB cycle through the target signaling block, and determine the configuration information of the second part of the target signaling block used to indicate the SSB cycle based on the target indication method.
[0044] In one possible implementation, if the target indication method is a bitmap method, the configuration information for indicating the second part of the SSB cycle within the target signaling block is determined according to the target indication method, including:
[0045] Determine the number of SSB cycles supported by the current cell, and determine the size information of the second part of the target signaling block used to indicate the SSB cycle based on the number of cycles;
[0046] The location corresponding to the second SSB cycle is determined based on the size information of the second part of the target signaling block used to indicate the SSB cycle, and the location is marked with a fixed mark to obtain the configuration information of the second part of the target signaling block used to indicate the SSB cycle.
[0047] In one possible implementation, if the target indication method is an index method, the configuration information for the second part of the target signaling block used to indicate the SSB period is determined according to the target indication method, including:
[0048] Determine the identification information for the second SSB cycle;
[0049] The information corresponding to the identification information in the target signaling block will be used as the configuration information for the second part of the target signaling block used to indicate the SSB cycle.
[0050] According to a third aspect of this disclosure, an SSB cycle switching device is provided, the device comprising:
[0051] The receiving unit is configured to receive first information carried on downlink control signaling sent by the network device, wherein the first information is used to indicate the second SSB cycle adopted by the current cell.
[0052] In one possible implementation, the first information is sent by the network device when it determines that the SSB cycle is switching from the first SSB cycle to the second SSB cycle.
[0053] In one possible implementation, the downlink control signaling includes multiple signaling blocks, each associated with a cell; the location of a cell in the downlink control signaling is configured by Radio Resource Control (RRC) signaling or Media Access Control (MAC) Control Element (CE) signaling.
[0054] In one possible implementation, the first information is determined based on the configuration information of the target signaling block corresponding to the current cell.
[0055] In one possible implementation, when the target indication method for the second SSB period indicated by the target signaling block is a bitmap method, the configuration information of the target signaling block corresponding to the current cell is determined based on the following method:
[0056] The number of SSB cycles supported by the current cell is determined, and the size of the target signaling block is determined based on the number of cycles; and the location corresponding to the second SSB cycle is determined based on the size of the target signaling block, and a fixed mark is applied to the location to determine the configuration information of the target signaling block corresponding to the current cell.
[0057] In one possible implementation, when the target indication method for the second SSB period indicated by the target signaling block is the index method, the configuration information of the target signaling block corresponding to the current cell is determined based on the following method:
[0058] Determine the identification information of the second SSB cycle; and use the information corresponding to the identification information in the target signaling block as the configuration information of the target signaling block.
[0059] In one possible implementation, when the current cell supports cell-level discontinuous reception and cell-level discontinuous transmission characteristics, and it is determined that the target indication method for the second SSB period indicated by the target signaling block is bitmap mode, then the configuration information of the target signaling block corresponding to the current cell is determined based on the following method:
[0060] Determine the number of SSB cycles supported by the current cell, and determine the size information of the second part of the target signaling block used to indicate the SSB cycle based on the number of cycles;
[0061] The location corresponding to the second SSB cycle is determined based on the size information of the second part of the target signaling block used to indicate the SSB cycle, and the location is marked with a fixed mark to obtain the configuration information of the second part of the target signaling block used to indicate the SSB cycle.
[0062] In one possible implementation, when the current cell supports cell-level discontinuous reception and cell-level discontinuous transmission characteristics, and it is determined that the target indication method for the second SSB period indicated by the target signaling block is the index method, then the configuration information of the target signaling block corresponding to the current cell is determined based on the following method:
[0063] Determine the identification information for the second SSB cycle;
[0064] The information corresponding to the identification information in the target signaling block will be used as the configuration information for the second part of the target signaling block used to indicate the SSB cycle.
[0065] According to a fourth aspect of this disclosure, an SSB cycle switching device is provided, the device comprising:
[0066] The determining unit is used to determine the switching of multiple synchronization information block (SSB) cycles supported by the current cell;
[0067] The transmitting unit is used to send first information indicating the second SSB cycle adopted by the current cell to the terminal device via downlink control signaling when the SSB cycle switches from the first SSB cycle to the second SSB cycle.
[0068] In one possible implementation, before determining that the current cell supports handover of multiple Synchronization Block (SSB) cycles, the apparatus further includes a configuration unit for:
[0069] For cells that support SSB cycle handover, configure N SSB cycles, where N is a positive integer not less than 2.
[0070] In one possible implementation, the determining unit is configured to:
[0071] If the first signaling instruction includes an indication that the current cell supports handover for multiple Synchronization Block (SSB) cycles, then it is determined that the current cell supports handover for multiple SSB cycles; or,
[0072] If it is determined that multiple SSB cycles are configured in the first signaling, then it is determined that the current cell supports the switching of multiple synchronization information block SSB cycles.
[0073] In one possible implementation, the first signaling is Radio Resource Control (RRC) signaling or Media Access Control (MAC) Control Element (CE) signaling.
[0074] In one possible implementation, the downlink control signaling includes multiple signaling blocks, each associated with a cell; the location of a cell in the downlink control signaling is configured by Radio Resource Control (RRC) signaling or Media Access Control (MAC) Control Element (CE) signaling.
[0075] In one possible implementation, the transmitting unit is configured to:
[0076] Determine the configuration information of the target signaling block corresponding to the current cell;
[0077] The downlink control signaling carries first information determined based on the configuration information to indicate to the terminal device the second SSB cycle used by the current cell.
[0078] In one possible implementation, the transmitting unit is configured to:
[0079] Determine the target indication method for the second SSB cycle through the target signaling block;
[0080] The configuration information of the target signaling block is determined according to the target indication method.
[0081] In one possible implementation, if the target indication method is a bitmap method, then the sending unit is used to:
[0082] Determine the number of SSB cycles supported by the current cell, and determine the size of the target signaling block based on the number of cycles.
[0083] The position corresponding to the second SSB cycle is determined based on the size information of the target signaling block, and the position is marked with a fixed mark to obtain the configuration information of the target signaling block.
[0084] In one possible implementation, if the target indication method is an index method, then the sending unit is configured to:
[0085] Determine the identification information for the second SSB cycle;
[0086] The information corresponding to the identification information in the target signaling block will be used as the configuration information of the target signaling block.
[0087] In one possible implementation, if the current cell supports cell-level discontinuous reception and cell-level discontinuous transmission characteristics, then the transmitting unit is configured to:
[0088] The target signaling block is determined to include a first portion for indicating the cell-level discontinuous reception and cell-level discontinuous transmission characteristics, and a second portion for indicating the SSB period;
[0089] Determine the target indication method for indicating the second SSB cycle through the target signaling block, and determine the configuration information of the second part of the target signaling block used to indicate the SSB cycle based on the target indication method.
[0090] In one possible implementation, if the target indication method is a bitmap method, then the sending unit is used to:
[0091] Determine the number of SSB cycles supported by the current cell, and determine the size information of the second part of the target signaling block used to indicate the SSB cycle based on the number of cycles;
[0092] The location corresponding to the second SSB cycle is determined based on the size information of the second part of the target signaling block used to indicate the SSB cycle, and the location is marked with a fixed mark to obtain the configuration information of the second part of the target signaling block used to indicate the SSB cycle.
[0093] In one possible implementation, if the target indication method is an index method, then the sending unit is configured to:
[0094] Determine the identification information for the second SSB cycle;
[0095] The information corresponding to the identification information in the target signaling block will be used as the configuration information for the second part of the target signaling block used to indicate the SSB cycle.
[0096] According to a fifth aspect of this disclosure, a network device is provided, including a transceiver, a memory, and a processor, wherein the memory is used to store a program, and the processor is used to invoke the program in the memory and control the transceiver to receive or transmit signals to cause the network device to perform the method according to any one of the first aspects.
[0097] According to a sixth aspect of this disclosure, a terminal device is provided, including a transceiver, a memory, and a processor, wherein the memory is used to store a program, the processor is used to invoke the program in the memory, and to control the transceiver to receive or transmit signals so that the terminal device performs the method according to any one of the second aspects.
[0098] According to a seventh aspect of this disclosure, a computer program product is provided, comprising a program that causes a computer to perform the method according to any one of the first or second aspects.
[0099] The technical solution disclosed herein has the following beneficial effects:
[0100] In this embodiment of the disclosure, by reusing the existing downlink control signaling format to indicate the SSB cycle used by the current cell, it is possible to switch the SSB cycle without affecting system performance and reduce system energy consumption.
[0101] Other features and advantages of this disclosure will be set forth in the following description and will be apparent in part from the description or may be learned by practicing the disclosure. The objects and other advantages of this disclosure may be realized and obtained by means of the structures particularly pointed out in the written description, claims, and drawings. Attached Figure Description
[0102] To more clearly illustrate the technical solutions of the embodiments of this disclosure, the accompanying drawings used in the embodiments of this disclosure will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this disclosure. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0103] Figure 1A schematic diagram of the system architecture of a wireless communication system in this exemplary embodiment is shown.
[0104] Figure 2 A flowchart illustrating an SSB cycle switching in this exemplary embodiment is shown.
[0105] Figure 3 This diagram illustrates a configuration signaling block in one exemplary embodiment of the present invention.
[0106] Figure 4 This diagram illustrates another configuration signaling block in one exemplary embodiment of the present invention.
[0107] Figure 5 A schematic diagram of a configuration signaling block is shown in another exemplary embodiment of this invention.
[0108] Figure 6 A schematic diagram of another configuration signaling block in another exemplary embodiment is shown.
[0109] Figure 7 A schematic diagram of a configuration signaling block is shown in yet another exemplary embodiment of this invention.
[0110] Figure 8 A schematic diagram of another configuration signaling block in yet another exemplary embodiment is shown.
[0111] Figure 9 A schematic diagram of an SSB cycle switching device in this exemplary embodiment is shown.
[0112] Figure 10 A schematic diagram of another SSB cycle switching device in this exemplary embodiment is shown.
[0113] Figure 11 A schematic diagram of the structure of a terminal device in this exemplary embodiment is shown.
[0114] Figure 12 A schematic diagram of the structure of a network device in this exemplary embodiment is shown. Detailed Implementation
[0115] To make the objectives, technical solutions, and advantages of this disclosure clearer, the technical solutions in the embodiments of this disclosure will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this disclosure, and not all of them. Based on the embodiments of this disclosure, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this disclosure. Unless otherwise specified, the embodiments and features in the embodiments of this disclosure can be arbitrarily combined with each other. Furthermore, although a logical order is shown in the flowchart, in some cases, the steps shown or described may be performed in a different order than that shown here.
[0116] The term "comprising" and any variations thereof in the specification and claims of this disclosure are intended to cover non-exclusive protection. For example, a process, method, system, product, or apparatus that comprises a series of steps or units is not limited to the steps or units listed, but may optionally include steps or units not listed, or may optionally include other steps or units inherent to such process, method, product, or apparatus.
[0117] In this disclosure, one or more embodiments are used; "multiple" refers to two or more. "And / or" describes the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent: A alone, A and B simultaneously, or B alone, where A and B can be singular or plural. The character " / " generally indicates that the preceding and following related objects are in an "or" relationship. "At least one of the following" or similar expressions refer to any combination of these items, including any combination of single or plural items. For example, at least one of a, b, or c can represent: a, b, c, ab, ac, bc, or abc, where a, b, and c can be single or multiple.
[0118] It should be noted that the terms "first," "second," etc., in the specification, claims, and accompanying drawings of this disclosure are used to distinguish similar objects and are not necessarily used to describe a specific order, sequence, size, or priority. For example, the terms "first part" and "second part" in the embodiments of this disclosure are merely used to distinguish different parts. It should be understood that such data can be interchanged where appropriate so that the embodiments of this disclosure described herein can be implemented in orders other than those illustrated or described herein. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with this disclosure. Rather, they are merely examples of apparatuses and methods consistent with some aspects of this disclosure as detailed in the appended claims.
[0119] The exemplary embodiments of this disclosure are described below with reference to the accompanying drawings, which are schematic illustrations of this disclosure and are not necessarily drawn to scale. Some block diagrams shown in the drawings may be functional entities and do not necessarily correspond to physically or logically independent entities. These functional entities may be implemented in software, in hardware modules or integrated circuits, or in networks, processors, or microcontrollers. Implementations can be carried out in various forms and should not be construed as limited to the examples set forth herein. The features, structures, or characteristics described in this disclosure can be combined in any suitable manner in one or more embodiments. Numerous specific details are provided in the following description to give a thorough description of embodiments of this disclosure. However, those skilled in the art will recognize that one or more specific details may be omitted when implementing the technical solutions of this disclosure, or other methods, components, apparatuses, steps, etc., may be used to replace one or more specific details.
[0120] See Figure 1 As shown, Figure 1 This is an example diagram illustrating the system architecture of a wireless communication system 100 according to an embodiment of this disclosure. The wireless communication system 100 may include a network device 110 and a terminal device 120. The network device 110 may be a device that communicates with the terminal device 120. The network device 110 can provide network coverage for a specific geographical area and can communicate with the terminal device 120 located within that coverage area. The terminal device 120 can access a network, such as a wireless network, through the network device 110. Optionally, the wireless communication system 100 may also include other network entities such as a network controller and a mobility management entity; this disclosure does not limit the scope of such entities.
[0121] The technical solutions of this disclosure can be applied to various communication systems, such as fifth-generation (5G) systems, new radio (NR) systems, long-term evolution (LTE) systems, LTE frequency division duplex (FDD) systems, LTE time division duplex (TDD) systems, etc. The technical solutions provided in this disclosure can also be applied to future communication systems, such as sixth-generation mobile communication systems, and satellite communication systems, etc.
[0122] In this disclosure, the terminal device may also be referred to as user equipment (UE), access terminal, user unit, user station, mobile station, mobile station (MS), mobile terminal (MT), remote station, remote terminal, mobile device, user terminal, terminal, wireless communication device, user agent, or user apparatus. The terminal device in this disclosure can be a device that provides voice and / or data connectivity to a user, and can be used to connect people, objects, and machines, such as a handheld device with wireless connectivity, in-vehicle equipment, etc. The terminal devices in the embodiments of this disclosure may be mobile phones, tablets, laptops, handheld computers, mobile internet devices (MIDs), wearable devices, virtual reality (VR) devices, augmented reality (AR) devices, wireless terminals in industrial control, wireless terminals in self-driving, wireless terminals in remote medical surgery, wireless terminals in smart grids, wireless terminals in transportation safety, wireless terminals in smart cities, wireless terminals in smart homes, etc.
[0123] Alternatively, the terminal device can be used to act as a base station. For example, the terminal device can act as a scheduling entity, providing sidelink signaling between terminal devices in vehicle-to-everything (V2X) or device-to-device (D2D) systems. For instance, cellular phones and cars communicate with each other using sidelink signals. Cellular phones and smart home devices communicate without relaying communication signals through a base station.
[0124] In this embodiment of the disclosure, the network device can be a device used to communicate with a terminal device. The network device can be, for example, an access network device or a wireless access network device. For example, the network device can be a base station. The term "base station" can broadly encompass various names as follows, or can be replaced by names such as: NodeB, evolved NodeB (eNB), next-generation NodeB (gNB), relay station, access point, transmitting and receiving point (TRP), transmitting point (TP), master station (MeNB), secondary station SeNB (SeNB), multi-mode radio (MSR) node, home base station, network controller, access node, wireless node, access point (AP), transmission node, transceiver node, baseband unit (BBU), remote radio unit (RRU), active antenna unit (AAU), remote radio head (RRH), central unit (CU), distributed unit (DU), positioning node, etc. A base station can be a macro base station, micro base station, relay node, donor node, or a combination thereof. A base station can also refer to a communication module, modem, or chip installed within the aforementioned equipment or apparatus. A base station can also be a mobile switching center, or an equipment that performs base station functions in device-to-device (D2D), vehicle-to-everything (V2X), and machine-to-machine (M2M) communications, a network-side device in a 6G network, or an equipment that performs base station functions in future communication systems. Base stations can support networks using the same or different access technologies. The embodiments of this disclosure do not limit the specific technologies or equipment forms used in the network equipment.
[0125] Base stations can be fixed or mobile. For example, a helicopter or drone can be configured to act as a mobile base station, and one or more cells can move depending on the location of the mobile base station. In other examples, a helicopter or drone can be configured as a device to communicate with another base station.
[0126] In some deployments, a network device can refer to either a CU or a DU; or, a network device may include both a CU and a DU. A gNB may also include an AAU.
[0127] Network devices and terminal devices can be deployed on land, including indoors or outdoors, handheld or vehicle-mounted; they can also be deployed on water; and they can also be deployed in the air on airplanes, balloons, and satellites. This disclosure does not limit the scenario in which the network devices and terminal devices are located.
[0128] All or part of the functions of the communication device in this disclosure can also be implemented by software functions running on hardware, or by virtualization functions instantiated on a platform such as a cloud platform.
[0129] In wireless communication systems, each Synchronization Signal Block (SSB) is used for initial access and synchronization. An SSB consists of three parts: primary synchronization signals (PSS), secondary synchronization signals (SSS), and a physical broadcast channel (PBCH). The PSS and SSS are used for time-frequency synchronization, helping terminal devices find synchronization information from network devices. The PBCH carries basic system information, ensuring that the terminal receives higher-level signals and configurations.
[0130] Base stations broadcast cell information to terminals via SSBs (Service Segments). Terminals use SSBs for synchronization and access. A cell is the logical unit from which a base station provides services. Specifically, SSBs are broadcast periodically in wireless communication systems, with periods configurable to 5ms, 10ms, 20ms, etc. In other words, network devices periodically transmit SSB signals to ensure that new terminal devices can discover and connect to the network.
[0131] In practice, base stations can adjust the SSB cycle based on factors such as coverage area and user density. However, how to adjust the SSB cycle to reduce energy consumption has become an urgent problem to be solved.
[0132] Therefore, this disclosure provides an SSB cycle switching method, which can switch the SSB cycle without affecting system performance and reduce system energy consumption by reusing the existing downlink control signaling format to indicate the SSB cycle used by the current cell.
[0133] The following is combined with Figure 2 The embodiments of this disclosure will be described in detail below.
[0134] Figure 2 This is a schematic diagram of the SSB cycle switching process provided in an embodiment of this application. Figure 2 The method shown can be executed by terminal devices and network devices. For example, a network device could be... Figure 1 The network device 110 shown may include, for example, a terminal device. Figure 1 The terminal device 120 shown.
[0135] Step 201: The network device determines that the current cell supports the switching of multiple Synchronization Block (SSB) cycles.
[0136] In this embodiment of the disclosure, before determining that the current cell supports the handover of multiple synchronization information block (SSB) cycles, the network device may also configure N SSB cycles for cells that support the SSB cycle handover feature, where N is a positive integer not less than 2.
[0137] For example, for a cell supporting SSB cycle handover, three SSB cycles are configured: 20ms, 80ms, and 160ms. Alternatively, two SSB cycles are configured: 20ms and 160ms. Of course, four SSB cycles can also be configured for a cell supporting SSB cycle handover: 20ms, 40ms, 80ms, and 160ms; this is not limited in the embodiments of this disclosure.
[0138] Step 202: When the SSB cycle switches from the first SSB cycle to the second SSB cycle, the first information indicating the second SSB cycle used by the current cell is sent to the terminal device through downlink control signaling.
[0139] In this embodiment of the disclosure, when the network device is a cell that supports SSB cycle handover, after configuring N SSB cycles, it can be determined whether the current cell supports handover of multiple SSB cycles.
[0140] In this embodiment of the disclosure, if the current network is directly or indirectly configured to switch between multiple cycles in the current cell, the SSB cycle is switched from the first SSB cycle to the second SSB cycle, and the second SSB cycle adopted by the current cell is indicated to the terminal through downlink control signaling.
[0141] In one possible implementation, if it is determined that the first signaling includes indication information that the current cell supports the handover of multiple synchronization information block (SSB) cycles, then it is determined that the current cell supports the handover of multiple synchronization information block (SSB) cycles.
[0142] In one possible implementation, when it is determined that multiple SSB cycles are configured in the first signaling, it is determined that the current cell supports the handover of multiple synchronization information block SSB cycles.
[0143] In this embodiment of the disclosure, the first signaling is Radio Resource Control (RRC) signaling or Medium Access Control-Control Element (MAC CE) signaling.
[0144] It is evident that the downlink control signaling can be used to instruct the terminal to perform SSB cycle handover in that cell only when the cell associated with the terminal device is directly or indirectly configured to allow handover in multiple (no less than two) cycles. Direct methods include explicitly configuring or indicating in signaling (such as RRC control signaling, MAC CE, etc.) that SSB cycle handover is currently possible; indirect methods include configuring multiple cycles in the RRC, etc.
[0145] In this embodiment of the disclosure, the downlink control signaling includes multiple signaling blocks, each associated with a cell; the position of a cell in the downlink control signaling is configured by RRC signaling or MAC CE signaling. That is, the position of the cell associated with the terminal device in the downlink control signaling is configured by other higher-layer signaling or MAC CE. Each signaling block can be used to indicate the current SSB period of its corresponding cell, and the size of each signaling block is related to the number of SSB periods configured for its corresponding cell.
[0146] In this embodiment of the disclosure, after determining the signaling block of the cell in the downlink control signaling, the configuration information of the target signaling block corresponding to the current cell can also be determined; the configuration information is carried through the downlink control signaling to indicate to the terminal the second SSB cycle adopted by the current cell.
[0147] In this embodiment of the disclosure, the target indication method for indicating the second SSB cycle through the target signaling block can be determined; and the configuration information of the target signaling block can be determined according to the target indication method.
[0148] Optionally, the target indication method includes bitmap method and index method.
[0149] In one possible implementation, if the target indication method is bitmap, that is, the signaling block is configured in bitmap mode, the number of SSB cycles supported by the current cell can be determined, and the size information of the target signaling block can be determined based on the number information; the position corresponding to the second SSB cycle can be determined based on the size information of the target signaling block, and the position mark can be fixed to obtain the configuration information of the target signaling block.
[0150] For example, the length of the target signaling block corresponding to the current cell is determined to be N bits, where N is the number of SSB cycles in the current cell, and the position of the second SSB cycle in the N bits is determined. Assuming that the fixed mark is 1, the position of the second SSB cycle in the N bits can be marked as 1, thereby determining the configuration information of the target signaling block.
[0151] In one possible implementation, if the target indication method is index-based, that is, the signaling block is configured using index-based methods, the identification information of the second SSB cycle can be determined; the information corresponding to the identification information will be indicated in the target signaling block as the configuration information of the target signaling block.
[0152] In other words, the current cell can use the configured x-th SSB cycle by indicating the SSB cycle ID: x within each signaling block. In this case, the signaling block length is... Where N is the number of SSB cycles configured for this cell.
[0153] In this embodiment of the disclosure, if the current cell supports Cell-Discontinuous Reception (DRX) and Cell-Discontinuous Transmission (Cell-DTX) features, then the first part of the target signaling block used to indicate the Cell-Discontinuous Reception and Cell-Discontinuous Transmission features, and the second part used to indicate the SSB period, can be determined; the target indication method for indicating the second SSB period through the target signaling block can be determined, and the configuration information of the second part of the target signaling block used to indicate the SSB period can be determined according to the target indication method.
[0154] In one possible implementation, if the target indication method is bitmap, the number of SSB cycles supported by the current cell is determined, and the size of the second part of the target signaling block used to indicate the SSB cycle is determined based on the number of cycles. The location corresponding to the second SSB cycle is determined based on the size of the second part of the target signaling block used to indicate the SSB cycle, and the location is fixed to obtain the configuration information of the second part of the target signaling block used to indicate the SSB cycle.
[0155] In one possible implementation, if the target indication method is index method, the identification information of the second SSB cycle is determined; the information corresponding to the identification information is indicated in the target signaling block as the configuration information of the second part of the target signaling block used to indicate the SSB cycle.
[0156] As can be seen, in this embodiment of the disclosure, considering the current cell corresponding to the target signaling block, if multiple SSB cycles are not configured or there is a clear indication that SSB cycle switching can be performed, the target signaling block corresponding to the current cell can still be used for other purposes, such as indicating the Cell-DTX / DRX of the current cell. That is to say, the target signaling block can also be used simultaneously to indicate SSB cycle switching selection, as well as other purposes. In this case, the signaling block corresponding to each cell can consist of two parts: the first part is used to indicate other functional information of the cell (such as the aforementioned indication of the Cell-DTX / DRX of the cell), and the second part is used to indicate the selection of the SSB cycle.
[0157] In this disclosure, to better illustrate the SSB cycle switching indication scheme provided, several specific embodiments are described below. It should be noted that the embodiments described in the following exemplary embodiments do not represent all embodiments consistent with this disclosure. Rather, they are merely examples of apparatuses and methods consistent with some aspects of this disclosure as detailed in the appended claims.
[0158] Example 1
[0159] The current cell is configured with both SSB cycle 1 and SSB cycle 2, where SSB cycle 1 is 20ms and SSB cycle 2 is 160ms, and the network device determines that the current cell supports SSB cycle handover. Therefore, when the SSB cycle switches from 20ms to 160ms, the network device, in the downlink control signaling sent to the indicated terminal, first configures the signaling block start bit and the signaling block size of the current cell in other signaling. This allows the network device to determine the configuration information of the target signaling block corresponding to the current cell.
[0160] Optionally, if the target signaling block is configured using a bitmap method, then the size of the target signaling block can be determined to be 2 bits, and see [reference needed]. Figure 3 As shown, assuming the current cell is Cell1 and the fixed marker is 1, the position corresponding to 160ms can be set to 1 to obtain the configuration information of the target signaling block.
[0161] Optionally, if the target signaling block is configured using an index, then the size of the target signaling block can be determined to be 1 bit, and see [reference needed]. Figure 4 As shown, assuming the current cell is Cell1, and the second SSB cycle identifier is indicated at Cell1, for example, ... Figure 4 The SSB cycle 2 method in the code indicates that the current cell adopts the configured second SSB cycle, thereby obtaining the configuration information of the target signaling block.
[0162] Example 2
[0163] The current cell is configured with SSB cycle 1, SSB cycle 2, and SSB cycle 3 simultaneously. SSB cycle 1 is 20ms, SSB cycle 2 is 80ms, and SSB cycle 3 is 160ms. The current cell supports SSB cycle handover. When the SSB cycle switches from 20ms to 80ms, the downlink control signaling sent to the indicated terminal first configures the signaling block start bit and the signaling block size of the current cell in other signaling. This allows the network device to determine the configuration information of the target signaling block corresponding to the current cell.
[0164] Optionally, if the target signaling block is configured using a bitmap method, then the size of the target signaling block can be determined to be 3 bits, and see [reference needed]. Figure 5 As shown, assuming the current cell is Cell1 and the fixed marker is 1, the position corresponding to 80ms can be set to 1 to obtain the configuration information of the target signaling block.
[0165] Optionally, if the target signaling block is configured using an index, then the size of the target signaling block can be determined to be 2 bits, and see [reference needed]. Figure 6 As shown, assuming the current cell is Cell1, and the second SSB cycle identifier is indicated at Cell1, for example, ... Figure 6 The SSB cycle 2 method in the code indicates that the current cell adopts the configured second SSB cycle, thereby obtaining the configuration information of the target signaling block.
[0166] Example 3
[0167] The current cell is configured with both SSB cycle 1 and SSB cycle 2, where SSB cycle 1 is 20ms and SSB cycle 2 is 80ms. The current cell supports SSB cycle handover and also supports Cell-DTX and Cell-DRX features, both of which need to be indicated in the target signaling block corresponding to the current cell. When the SSB cycle switches from 20ms to 80ms, the downlink control signaling sent to the indicated terminal first configures the start bit of the signaling block for this current cell and the signaling block size in other signaling.
[0168] Optionally, if the target signaling block is configured using a bitmap method, then the size of the target signaling block can be determined to be 4 bits, and see [reference needed]. Figure 7 As shown, assuming the current cell is Cell1 and the fixed marker is 1, the position corresponding to 80ms can be set to 1 to obtain the configuration information of the target signaling block.
[0169] Optionally, if the target signaling block is configured using an index, then the size of the target signaling block can be determined to be 3 bits, and see [reference needed]. Figure 8As shown, assuming the current cell is Cell1, and the second SSB cycle identifier is indicated at Cell1, for example, ... Figure 8 The SSB cycle 2 method in the code indicates that the current cell adopts the configured second SSB cycle, thereby obtaining the configuration information of the target signaling block.
[0170] In the embodiments disclosed herein, the above-mentioned embodiments are illustrated by switching the SSB period from 20ms to 80ms or from 20ms to 160ms. In actual implementation, of course, the SSB period can also be switched from 80ms to 20ms or from 160ms to 20ms, and the method of determining the configuration information of the target signaling block is the same as the above-mentioned method, which will not be repeated here.
[0171] Step 203: The terminal device receives first information carried on downlink control signaling sent by the network device, wherein the first information is used to indicate the second SSB cycle adopted by the current cell.
[0172] In this embodiment of the disclosure, the first information is sent by the network device when it determines that the SSB cycle is switching from the first SSB cycle to the second SSB cycle.
[0173] In this embodiment of the disclosure, the downlink control signaling includes multiple signaling blocks, each signaling block being associated with a cell; the position of a cell in the downlink control signaling is configured by Radio Resource Control (RRC) signaling or Media Access Control (MACCE) signaling.
[0174] In this embodiment of the disclosure, the first information is determined based on the configuration information of the target signaling block corresponding to the current cell.
[0175] In this embodiment of the disclosure, when the target indication method for the second SSB period indicated by the target signaling block is a bitmap method, the configuration information of the target signaling block corresponding to the current cell is determined based on the following method: determining the number of SSB periods supported by the current cell, and determining the size information of the target signaling block based on the number information; and determining the location corresponding to the second SSB period based on the size information of the target signaling block, and fixing the location marker to determine the configuration information of the target signaling block corresponding to the current cell.
[0176] In this embodiment of the disclosure, when the target indication method for the second SSB period indicated by the target signaling block is the index method, the configuration information of the target signaling block corresponding to the current cell is determined based on the following method: determining the identification information of the second SSB period; and indicating the information corresponding to the identification information in the target signaling block as the configuration information of the target signaling block.
[0177] In this embodiment of the disclosure, when the current cell supports cell-level discontinuous reception and cell-level discontinuous transmission characteristics, and it is determined that the target indication method for indicating the second SSB period through the target signaling block is bitmap mode, the configuration information of the target signaling block corresponding to the current cell is determined based on the following method: determining the number of SSB periods supported by the current cell, and determining the size information of the second part of the target signaling block used to indicate the SSB period based on the number information; determining the position corresponding to the second SSB period based on the size information of the second part of the target signaling block used to indicate the SSB period, and fixing the position marker to obtain the configuration information of the second part of the target signaling block used to indicate the SSB period.
[0178] In this embodiment of the disclosure, when the current cell supports cell-level discontinuous reception and cell-level discontinuous transmission characteristics, and it is determined that the target indication method for indicating the second SSB period through the target signaling block is the index method, the configuration information of the target signaling block corresponding to the current cell is determined based on the following method: determining the identification information of the second SSB period; and using the information corresponding to the identification information in the target signaling block as the configuration information of the second part of the target signaling block used to indicate the SSB period.
[0179] Based on one embodiment of this disclosure, see [link to implementation details]. Figure 9 A SSB cycle switching device 900 is provided, the device comprising:
[0180] The receiving unit 901 is used to receive first information carried in downlink control signaling sent by the network device, wherein the first information is used to indicate the second SSB cycle adopted by the current cell.
[0181] In one possible implementation, the first information is sent by the network device when it determines that the SSB cycle is switching from the first SSB cycle to the second SSB cycle.
[0182] In one possible implementation, the downlink control signaling includes multiple signaling blocks, each associated with a cell; the location of a cell in the downlink control signaling is configured by Radio Resource Control (RRC) signaling or Media Access Control (MAC) Control Element (CE) signaling.
[0183] In one possible implementation, the first information is determined based on the configuration information of the target signaling block corresponding to the current cell.
[0184] In one possible implementation, when the target indication method for the second SSB period indicated by the target signaling block is a bitmap method, the configuration information of the target signaling block corresponding to the current cell is determined based on the following method:
[0185] The number of SSB cycles supported by the current cell is determined, and the size of the target signaling block is determined based on the number of cycles; and the location corresponding to the second SSB cycle is determined based on the size of the target signaling block, and a fixed mark is applied to the location to determine the configuration information of the target signaling block corresponding to the current cell.
[0186] In one possible implementation, when the target indication method for the second SSB period indicated by the target signaling block is the index method, the configuration information of the target signaling block corresponding to the current cell is determined based on the following method:
[0187] Determine the identification information of the second SSB cycle; and use the information corresponding to the identification information in the target signaling block as the configuration information of the target signaling block.
[0188] In one possible implementation, when the current cell supports cell-level discontinuous reception and cell-level discontinuous transmission characteristics, and it is determined that the target indication method for the second SSB period indicated by the target signaling block is bitmap mode, then the configuration information of the target signaling block corresponding to the current cell is determined based on the following method:
[0189] Determine the number of SSB cycles supported by the current cell, and determine the size information of the second part of the target signaling block used to indicate the SSB cycle based on the number of cycles;
[0190] The location corresponding to the second SSB cycle is determined based on the size information of the second part of the target signaling block used to indicate the SSB cycle, and the location is marked with a fixed mark to obtain the configuration information of the second part of the target signaling block used to indicate the SSB cycle.
[0191] In one possible implementation, when the current cell supports cell-level discontinuous reception and cell-level discontinuous transmission characteristics, and it is determined that the target indication method for the second SSB period indicated by the target signaling block is the index method, then the configuration information of the target signaling block corresponding to the current cell is determined based on the following method:
[0192] Determine the identification information for the second SSB cycle;
[0193] The information corresponding to the identification information in the target signaling block will be used as the configuration information for the second part of the target signaling block used to indicate the SSB cycle.
[0194] Based on one embodiment of this disclosure, see [link to implementation details]. Figure 10 A SSB cycle switching device 1000 is provided, the device comprising:
[0195] The determining unit 1001 is used to determine whether the current cell supports the switching of multiple synchronization information block (SSB) cycles.
[0196] The transmitting unit 1002 is used to send first information indicating the second SSB cycle adopted by the current cell to the terminal device through downlink control signaling when the SSB cycle switches from the first SSB cycle to the second SSB cycle.
[0197] In one possible implementation, before determining that the current cell supports handover of multiple Synchronization Block (SSB) cycles, the apparatus further includes a configuration unit for:
[0198] For cells that support SSB cycle handover, configure N SSB cycles, where N is a positive integer not less than 2.
[0199] In one possible implementation, the determining unit 1001 is configured to:
[0200] If the first signaling instruction includes an indication that the current cell supports handover for multiple Synchronization Block (SSB) cycles, then it is determined that the current cell supports handover for multiple SSB cycles; or,
[0201] If it is determined that multiple SSB cycles are configured in the first signaling, then it is determined that the current cell supports the switching of multiple synchronization information block SSB cycles.
[0202] In one possible implementation, the first signaling is Radio Resource Control (RRC) signaling or Media Access Control (MAC) Control Element (CE) signaling.
[0203] In one possible implementation, the downlink control signaling includes multiple signaling blocks, each associated with a cell; the location of a cell in the downlink control signaling is configured by Radio Resource Control (RRC) signaling or Media Access Control (MAC) Control Element (CE) signaling.
[0204] In one possible implementation, the transmitting unit 1002 is configured to:
[0205] Determine the configuration information of the target signaling block corresponding to the current cell;
[0206] The downlink control signaling carries first information determined based on the configuration information to indicate to the terminal device the second SSB cycle used by the current cell.
[0207] In one possible implementation, the transmitting unit 1002 is configured to:
[0208] Determine the target indication method for the second SSB cycle through the target signaling block;
[0209] The configuration information of the target signaling block is determined according to the target indication method.
[0210] In one possible implementation, if the target indication method is a bitmap method, then the sending unit 1002 is used to:
[0211] Determine the number of SSB cycles supported by the current cell, and determine the size of the target signaling block based on the number of cycles.
[0212] The position corresponding to the second SSB cycle is determined based on the size information of the target signaling block, and the position is marked with a fixed mark to obtain the configuration information of the target signaling block.
[0213] In one possible implementation, if the target indication method is an index method, then the sending unit 1002 is used to:
[0214] Determine the identification information for the second SSB cycle;
[0215] The information corresponding to the identification information in the target signaling block will be used as the configuration information of the target signaling block.
[0216] In one possible implementation, if the current cell supports cell-level discontinuous reception and cell-level discontinuous transmission characteristics, then the transmitting unit 1002 is configured to:
[0217] The target signaling block is determined to include a first portion for indicating the cell-level discontinuous reception and cell-level discontinuous transmission characteristics, and a second portion for indicating the SSB period;
[0218] Determine the target indication method for indicating the second SSB cycle through the target signaling block, and determine the configuration information of the second part of the target signaling block used to indicate the SSB cycle based on the target indication method.
[0219] In one possible implementation, if the target indication method is a bitmap method, then the sending unit 1002 is used to:
[0220] Determine the number of SSB cycles supported by the current cell, and determine the size information of the second part of the target signaling block used to indicate the SSB cycle based on the number of cycles;
[0221] The location corresponding to the second SSB cycle is determined based on the size information of the second part of the target signaling block used to indicate the SSB cycle, and the location is marked with a fixed mark to obtain the configuration information of the second part of the target signaling block used to indicate the SSB cycle.
[0222] In one possible implementation, if the target indication method is an index method, then the sending unit 1002 is used to:
[0223] Determine the identification information for the second SSB cycle;
[0224] The information corresponding to the identification information in the target signaling block will be used as the configuration information for the second part of the target signaling block used to indicate the SSB cycle.
[0225] The specific details of each part of the above-mentioned device have been described in detail in the method section of the implementation plan. For any undisclosed details, please refer to the implementation plan of the method section, and therefore will not be repeated here.
[0226] It should be noted that although several modules or units for the device used to perform actions have been mentioned in the detailed description above, this division is not mandatory. In fact, according to exemplary embodiments of this disclosure, the features and functions of two or more modules or units described above can be embodied in one module or unit. Conversely, the features and functions of one module or unit described above can be further divided and embodied by multiple modules or units.
[0227] Based on one embodiment of this disclosure, see [link to implementation details]. Figure 11 The terminal device may include a transceiver 1103, a memory 1102, and a processor 1101. The memory 1102 is used to store programs, and the processor 1101 is used to call the programs in the memory 1102 and control the transceiver 1103 to receive or send signals, so that the terminal device executes the method steps of the exemplary embodiments of this disclosure, such as... Figure 2 Step 203 in the process.
[0228] Based on one embodiment of this disclosure, see [link to implementation details]. Figure 12 The network device may include a transceiver 1203, a memory 1202, and a processor 1201. The memory 1202 is used to store programs, and the processor 1201 is used to call the programs stored in the memory 1202 and control the transceiver 1203 to receive or send signals, so that the network device executes the method steps of the exemplary embodiments of this disclosure, such as those that can be executed. Figure 2 Steps 201 and 202 in the process.
[0229] According to one embodiment of this disclosure, the computer program product includes a computer program that, when executed by a processor, implements the above-described SSB cycle switching method.
[0230] Based on one embodiment of this disclosure, a computer program product can be a tangible product containing a computer program, such as a computer-readable storage medium storing the computer program. The readable storage medium can be a storage medium based on electrical, magnetic, optical, electromagnetic, infrared, or other signals, including but not limited to: random access memory (RAM), read-only memory (ROM), magnetic tape, floppy disk, flash memory, hard disk drive (HDD), solid-state drive (SSD), etc. For example, the computer program product can be implemented as a non-volatile storage medium storing a computer program, such as read-only memory, NAND flash memory, etc.
[0231] Based on one embodiment of this disclosure, a computer program product can be an intangible product containing a computer program. For example, a computer program product can be implemented as a virtual digital product, such as an executable file or installation package storing a computer program.
[0232] Computer program code can be written in one or more programming languages. Examples of programming languages include C, Java, and C++. Program code can execute entirely on the user's computing device, partially on the user's computing device, or as a standalone software package. It can also execute partially on the user's computing device and partially on a remote computing device, or entirely on a remote computing device or server. In cases involving remote computing devices, the remote computing device can be connected to the user's computing device via any type of network, such as a local area network (LAN) or a wide area network (WAN), or it can be connected to an external computing device (e.g., via an internet connection provided by a mobile network operator).
[0233] Computer programs can be carried or transmitted via signals such as electricity, magnetism, light, electromagnetic fields, and infrared radiation. Electronic devices can convert signals carrying computer programs into digital signals, thereby executing the computer programs. When a computer program runs on an electronic device, its code causes the electronic device to execute (more specifically, its processor) the method steps of various exemplary embodiments of this disclosure, such as those that can be executed. Figure 2 The methods and steps in the text.
[0234] As can be seen from the above, the technical solutions disclosed herein can be implemented as methods, apparatus, systems, computer program products, storage media, electronic devices, etc. Those skilled in the art will understand that various aspects of this disclosure can be specifically implemented in the following forms: a completely hardware implementation, a completely software implementation (including firmware, microcode, etc.), or a combination of hardware and software implementations, which may be referred to as "circuit," "module," or "system," respectively.
[0235] It should be understood that this disclosure is not limited to the specific methods, steps, or structures described above and shown in the accompanying drawings, and various modifications and changes can be made without departing from its scope. Those skilled in the art will readily conceive of other embodiments based on the specific implementations provided in this disclosure. Therefore, the specific implementations provided in this disclosure are merely exemplary, and the scope and spirit of this disclosure are indicated by the claims, and should cover any variations, uses, or adaptations of this disclosure that follow the general principles of this disclosure and include common knowledge or customary technical means in the art not disclosed in this disclosure.
Claims
1. A method for switching SSB cycles, characterized in that, The method includes: The network device receives first information carried in downlink control signaling, wherein the first information is used to indicate the second SSB cycle adopted by the current cell.
2. The method according to claim 1, characterized in that, The first information is sent by the network device when it determines that the SSB cycle is switching from the first SSB cycle to the second SSB cycle.
3. The method according to claim 2, characterized in that, The downlink control signaling includes multiple signaling blocks, each associated with a cell; the position of a cell in the downlink control signaling is configured by Radio Resource Control (RRC) signaling or Media Access Control (MAC) control element (CE) signaling.
4. The method according to any one of claims 1-3, characterized in that, The first information is determined based on the configuration information of the target signaling block corresponding to the current cell.
5. The method according to claim 4, characterized in that, When the target indication method for the second SSB period indicated by the target signaling block is bitmap mode, the configuration information of the target signaling block corresponding to the current cell is determined based on the following method: The number of SSB cycles supported by the current cell is determined, and the size of the target signaling block is determined based on the number of cycles; and the location corresponding to the second SSB cycle is determined based on the size of the target signaling block, and a fixed mark is applied to the location to determine the configuration information of the target signaling block corresponding to the current cell.
6. The method according to claim 4, characterized in that, When the target indication method for the second SSB period indicated by the target signaling block is the index method, the configuration information of the target signaling block corresponding to the current cell is determined based on the following method: Determine the identification information of the second SSB cycle; and use the information corresponding to the identification information in the target signaling block as the configuration information of the target signaling block.
7. The method according to claim 4, characterized in that, When the current cell supports cell-level discontinuous reception and cell-level discontinuous transmission, and it is determined that the target indication method for the second SSB period indicated by the target signaling block is bitmap mode, then the configuration information of the target signaling block corresponding to the current cell is determined based on the following method: Determine the number of SSB cycles supported by the current cell, and determine the size information of the second part of the target signaling block used to indicate the SSB cycle based on the number of cycles; The location corresponding to the second SSB cycle is determined based on the size information of the second part of the target signaling block used to indicate the SSB cycle, and the location is marked with a fixed mark to obtain the configuration information of the second part of the target signaling block used to indicate the SSB cycle.
8. The method according to claim 4, characterized in that, When the current cell supports cell-level discontinuous reception and cell-level discontinuous transmission characteristics, and it is determined that the target indication method for the second SSB period indicated by the target signaling block is the index method, then the configuration information of the target signaling block corresponding to the current cell is determined based on the following method: Determine the identification information for the second SSB cycle; The information corresponding to the identification information in the target signaling block will be used as the configuration information for the second part of the target signaling block used to indicate the SSB cycle.
9. A method for switching SSB cycles, characterized in that, The method includes: Determine if the current cell supports switching of multiple Synchronization Block (SSB) cycles; When the SSB cycle switches from the first SSB cycle to the second SSB cycle, the first information indicating the second SSB cycle used by the current cell is sent to the terminal device via downlink control signaling.
10. The method according to claim 9, characterized in that, Before determining that the current cell supports handover of multiple Synchronization Block (SSB) cycles, the method further includes: For cells that support SSB cycle handover, configure N SSB cycles, where N is a positive integer not less than 2.
11. The method according to claim 10, characterized in that, Determine if the current cell supports handover of multiple Synchronization Block (SSB) cycles, including: If the first signaling instruction includes an indication that the current cell supports handover for multiple Synchronization Block (SSB) cycles, then it is determined that the current cell supports handover for multiple SSB cycles; or, If it is determined that multiple SSB cycles are configured in the first signaling, then it is determined that the current cell supports the switching of multiple synchronization information block SSB cycles.
12. The method according to claim 11, characterized in that, The first signaling is Radio Resource Control (RRC) signaling or Media Access Control (MAC) Control Element (CE) signaling.
13. The method according to any one of claims 9-12, characterized in that, The downlink control signaling includes multiple signaling blocks, each associated with a cell; the position of a cell in the downlink control signaling is configured by Radio Resource Control (RRC) signaling or Media Access Control (MAC) control element (CE) signaling.
14. The method according to claim 13, characterized in that, When the SSB cycle switches from the first SSB cycle to the second SSB cycle, first information indicating the second SSB cycle used by the current cell is sent to the terminal device via downlink control signaling, including: Determine the configuration information of the target signaling block corresponding to the current cell; The downlink control signaling carries first information determined based on the configuration information to indicate to the terminal device the second SSB cycle used by the current cell.
15. The method according to claim 14, characterized in that, Determining the configuration information of the target signaling block corresponding to the current cell includes: Determine the target indication method for the second SSB cycle through the target signaling block; The configuration information of the target signaling block is determined according to the target indication method.
16. The method according to claim 15, characterized in that, If the target indication method is a bitmap method, then the configuration information of the target signaling block is determined according to the target indication method, including: Determine the number of SSB cycles supported by the current cell, and determine the size of the target signaling block based on the number of cycles. The position corresponding to the second SSB cycle is determined based on the size information of the target signaling block, and the position is marked with a fixed mark to obtain the configuration information of the target signaling block.
17. The method according to claim 15, characterized in that, If the target indication method is an index method, then the configuration information of the target signaling block is determined according to the target indication method, including: Determine the identification information for the second SSB cycle; The information corresponding to the identification information in the target signaling block will be used as the configuration information of the target signaling block.
18. The method according to claim 15, characterized in that, If the current cell supports cell-level discontinuous reception and cell-level discontinuous transmission, then the configuration information of the target signaling block corresponding to the current cell is determined, including: The target signaling block is determined to include a first portion for indicating the cell-level discontinuous reception and cell-level discontinuous transmission characteristics, and a second portion for indicating the SSB period; Determine the target indication method for indicating the second SSB cycle through the target signaling block, and determine the configuration information of the second part of the target signaling block used to indicate the SSB cycle based on the target indication method.
19. The method according to claim 18, characterized in that, If the target indication method is a bitmap method, the configuration information for the second part of the target signaling block used to indicate the SSB period is determined according to the target indication method, including: Determine the number of SSB cycles supported by the current cell, and determine the size information of the second part of the target signaling block used to indicate the SSB cycle based on the number of cycles; The location corresponding to the second SSB cycle is determined based on the size information of the second part of the target signaling block used to indicate the SSB cycle, and the location is marked with a fixed mark to obtain the configuration information of the second part of the target signaling block used to indicate the SSB cycle.
20. The method according to claim 18, characterized in that, If the target indication method is an index method, the configuration information for the second part of the target signaling block used to indicate the SSB period is determined according to the target indication method, including: Determine the identification information for the second SSB cycle; The information corresponding to the identification information in the target signaling block will be used as the configuration information for the second part of the target signaling block used to indicate the SSB cycle.
21. An SSB cycle switching device, characterized in that, The device includes: The receiving unit is configured to receive first information carried on downlink control signaling sent by the network device, wherein the first information is used to indicate the second SSB cycle adopted by the current cell.
22. An SSB cycle switching device, characterized in that, The device includes: The determining unit is used to determine the switching of multiple synchronization information block (SSB) cycles supported by the current cell; The transmitting unit is used to send first information indicating the second SSB cycle adopted by the current cell to the terminal device via downlink control signaling when the SSB cycle switches from the first SSB cycle to the second SSB cycle.
23. A terminal device, characterized in that, The device includes a transceiver, a memory, and a processor. The memory stores a program, and the processor invokes the program in the memory and controls the transceiver to receive or send signals so that the terminal device performs the method according to any one of claims 1 to 8.
24. A network device, characterized in that, The device includes a transceiver, a memory, and a processor. The memory stores a program, and the processor invokes the program in the memory and controls the transceiver to receive or transmit signals so that the network device performs the method according to any one of claims 9 to 20.
25. A computer program product, characterized in that, Includes a program that causes a computer to perform the method according to any one of claims 1 to 20.
