Information processing method, information transmitting and receiving method and device

Abstract

The embodiment of the invention provides an information receiving and transmitting method and device and an information processing method and device, and the information receiving and transmitting method comprises the steps that first network equipment sends third indication information to second network equipment, the third indication information is used for indicating the first network equipment to stop or recover to send a first synchronization signal block of the first cell which should be sent, or indicating the first network equipment to stop or recover to send a physical broadcast channel (PBCH) of a bearer master information block (MIB) of the first synchronization signal block which should be sent.

Description

Information processing method, information sending and receiving method and device Technical Field

[0001] The embodiments of the present application relate to the field of communication technologies. Background Art

[0002] Because NR (New Radio) base stations operate within a wide bandwidth (e.g., 100MHz), require a large number of ports (64T / 64R), and a shorter TTI (Transmission Time Interval) (e.g., 1ms), the energy consumption of baseband processing, digital front-end, and other functions in NR base stations is significantly higher than that of LTE (Long Term Evolution) base stations. Furthermore, NR's FR2 (Frequency Range 2) operating frequency (>6GHz) is higher. Signal path loss increases at higher frequencies, so the design principle of NR is to use narrower beams to achieve longer signal transmission distances. Consequently, the number of antenna elements used for analog beamforming in NR base stations will increase significantly, leading to an increase in the number of radio frequency units (RFUs) and RF channels for transmitting and receiving signals. Each RF channel has a power amplifier (PA), and PA energy consumption accounts for approximately 80% of the total base station energy consumption. As the number of PAs increases, base station energy consumption also increases. Currently, an AAU (Active Antenna Unit) in the FR1 (Frequency Range 1) band typically uses 192 antenna elements, supporting 64 channels, significantly larger than the maximum of 8 channels in LTE.

[0003] According to operator statistics, the average energy consumption of an NR base station is more than three times that of an LTE base station. Nearly half of the cost of deploying 5G (fifth generation) networks for operators is electricity costs. More importantly, even when there is no business, the energy consumption of NR base stations is still very high, because even when there is no business, the base station still needs to send public signals such as SSB (synchronization signal block), SIB1 (first system information block) and SI (system information), which greatly reduces the energy efficiency of NR base stations. Energy saving in NR networks is an urgent problem to be solved.

[0004] It should be noted that the above introduction to the technical background is merely intended to provide a clear and complete description of the technical solutions of this application and facilitate understanding by those skilled in the art. Simply because these solutions are described in the background technology section of this application, it should not be assumed that the above technical solutions are well known to those skilled in the art.

[0005] Summary of the Invention

[0006] 3GPP Rel-15 / Rel-16 (3rd Generation Partnership Project Release 15 / Release 16) supports intra-band carrier aggregation (CA) scenarios, where the secondary cell (SCell) of a terminal device can not send synchronization signal blocks (SSBs). The terminal device obtains downlink synchronization of the SCell using the SSBs sent by the special cell (SpCell). At the same site, at least one cell must send SSBs, and only the cell sending SSBs can be used as the SpCell for the terminal device.

[0007] The inventors discovered that in the prior art, at least one cell at the same site must transmit SSB, and the serving cell (at least the SpCell) of the terminal device must also transmit SSB. This results in significant energy consumption even when there is no traffic at the site, hindering network energy conservation.

[0008] In addition, for the sake of network energy saving, if all service cells of the terminal device stop sending SSB, or extend the transmission period of SSB, it means that the terminal device loses the downlink synchronization and downlink channel estimation signal of the service cell, that is, the terminal device cannot perform measurements based on the SSB of the service cell. Therefore, the service cell of the terminal device cannot serve the terminal device. The terminal device originally connected to the service cell must switch to the adjacent cell, and the terminal device originally residing in the service cell will perform cell reselection to reside in the adjacent cell. Figure 1 is a schematic diagram of the network energy saving solution. As shown in Figure 1, for the sake of network energy saving, for the SpCell of the terminal device, the network equipment can dynamically activate and deactivate the SpCell according to the traffic volume, measurement report and other information of the NR cell and its adjacent cells. When the cell is deactivated, the synchronization signal block, system information, etc. of the cell are stopped from being sent, and the uplink signal sent by the terminal device is stopped from being received. In this way, the energy consumption of the SpCell can be saved when the traffic volume is low.

[0009] In this way, when a cell enters the energy-saving state, the terminal device will switch to the adjacent cell and inform the adjacent NR network device or LTE network device that the NR cell has entered the energy-saving state. The adjacent NR / LTE network device will assume the coverage area and traffic volume of the NR cell. Afterwards, the adjacent NR / LTE network device will determine whether to request the NR cell that has entered the energy-saving state to resume normal operation based on its own traffic volume, measurement report and other information. For example, when its own traffic volume reaches a certain threshold, it triggers the NR cell that requested to enter the energy-saving state to resume normal operation. When the NR cell resumes normal operation, some terminal devices that previously switched to the adjacent NR / LTE cell may switch back to the NR cell.

[0010] The inventors discovered that in the above solution, when an NR cell dynamically enters an energy-saving state multiple times, terminal devices will frequently switch out of the NR cell or frequently reselect cells, which will affect the user experience. In addition, the migration of terminal devices from an energy-saving cell to an adjacent cell will inevitably increase the load level of the adjacent cell, affecting the service quality of terminal devices in the adjacent cell.

[0011] In response to at least one of the above problems, embodiments of the present application provide an information processing method, an information sending and receiving method, and an apparatus.

[0012] According to one aspect of an embodiment of the present application, there is provided an information transceiver device, configured in a first network device to which a first cell belongs, the device comprising:

[0013] A first sending unit sends third indication information to a second network device, where the third indication information is used to instruct the first network device to stop or resume sending the first synchronization signal block of the first cell that should have been sent, or to instruct the first network device to stop or resume sending the physical broadcast channel (PBCH) carrying the master information block (MIB) of the first synchronization signal block that should have been sent.

[0014] According to one aspect of an embodiment of the present application, there is provided an information transceiver device, configured on a second network device, the device comprising:

[0015] A first receiving unit receives third indication information sent by a first network device, where the third indication information is used to instruct the first network device to stop or resume sending the first synchronization signal block of the first cell that should have been sent, or to instruct the first network device to stop or resume sending the physical broadcast channel (PBCH) carrying the master information block (MIB) of the first synchronization signal block that should have been sent.

[0016] According to another aspect of an embodiment of the present application, there is provided an information processing apparatus configured in a terminal device, the apparatus comprising:

[0017] a second receiving unit, configured to receive a discovery reference signal sent by a network-side device;

[0018] a first processing unit, configured to downlink receive the first cell reference signal or determine a measurement result of the first cell according to the discovery reference signal;

[0019] The discovery reference signal is a synchronization reference signal (SS) included in the first synchronization signal block of the first cell.

[0020] One of the beneficial effects of the embodiments of the present application is that the terminal device can downlink receive the reference signal of the energy-saving cell or determine the measurement result of the energy-saving cell based on the discovery reference signal, and the terminal device can perform random access, RLM / BFD / RRM measurement, cell selection or reselection measurement in the energy-saving cell. In this way, the terminal device does not have to switch to other cells, and the terminal device originally residing in the energy-saving cell does not have to reselect the cell. It can avoid migrating the terminal device in the energy-saving state cell to the adjacent cell to cause service interruption and increase the load level of the adjacent cell, and ensure that the user experience is not reduced when the cell enters the energy-saving state.

[0021] One of the beneficial effects of the embodiments of the present application is that network devices can interact with each other to determine whether to stop sending SSB instructions, so that the neighboring base stations of the energy-saving cell broadcast the interactive information to the terminal device through system information, thereby enabling the terminal device to detect the energy-saving cell and use the discovery reference signal or the reference signal of the second cell to perform RRM measurements on the energy-saving cell.

[0022] With reference to the following description and accompanying drawings, specific embodiments of the present application are disclosed in detail, indicating the manner in which the principles of the present application can be employed. It should be understood that the embodiments of the present application are not limited in scope. Within the spirit and scope of the appended claims, the embodiments of the present application include many variations, modifications and equivalents.

[0023] Features described and / or illustrated with respect to one embodiment may be used in the same or similar manner in one or more other embodiments, combined with features in other embodiments, or substituted for features in other embodiments.

[0024] It should be emphasized that the term "include / comprising" when used herein refers to the presence of features, integers, steps or components, but does not exclude the presence or addition of one or more other features, integers, steps or components. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] The elements and features described in one figure or one embodiment of the present application can be combined with the elements and features shown in one or more other figures or embodiments. In addition, in the accompanying drawings, similar reference numerals represent corresponding parts in several figures and can be used to indicate corresponding parts used in more than one embodiment.

[0026] FIG1 is a schematic diagram of a communication system according to an embodiment of the present application;

[0027] Figure 2 is a schematic diagram of a distributed network energy-saving solution;

[0028] FIG3 is a schematic diagram of an information processing method according to an embodiment of the present application;

[0029] FIG4 is another schematic diagram of the information sending method according to an embodiment of the present application;

[0030] FIG5 is a schematic diagram of a method for sending information according to an embodiment of the present application;

[0031] FIG6 is another schematic diagram of the information sending and receiving method according to an embodiment of the present application;

[0032] FIG7 is another schematic diagram of the information sending and receiving method according to an embodiment of the present application;

[0033] FIG8 is a schematic diagram of an information transceiver according to an embodiment of the present application;

[0034] FIG9 is another schematic diagram of the information transceiver according to an embodiment of the present application;

[0035] FIG10 is another schematic diagram of the information transceiver according to an embodiment of the present application;

[0036] FIG11 is another schematic diagram of an information processing device according to an embodiment of the present application;

[0037] FIG12 is a schematic diagram of a network device according to an embodiment of the present application;

[0038] FIG13 is a schematic diagram of a terminal device according to an embodiment of the present application. DETAILED DESCRIPTION

[0039] The above and other features of the present application will become apparent through the following description with reference to the accompanying drawings. In the description and the accompanying drawings, specific embodiments of the present application are disclosed in detail, which illustrate some embodiments in which the principles of the present application can be adopted. It should be understood that the present application is not limited to the described embodiments. On the contrary, the present application includes all modifications, variations and equivalents that fall within the scope of the appended claims.

[0040] In the embodiments of the present application, the terms "first", "second", etc. are used to distinguish different elements from the name, but do not indicate the spatial arrangement or temporal order of these elements, and these elements should not be limited by these terms. The term "and / or" includes any one and all combinations of one or more of the associated listed terms. The terms "comprising", "including", "having", etc. refer to the presence of the stated features, elements, components or components, but do not exclude the presence or addition of one or more other features, elements, components or components.

[0041] In the embodiments of this application, the singular forms "a," "the," etc. include plural forms and should be broadly understood to mean "a" or "a type" rather than being limited to "one." Furthermore, the term "said" should be understood to include both singular and plural forms, unless the context clearly indicates otherwise. Furthermore, the term "according to" should be understood to mean "at least in part based on...", and the term "based on" should be understood to mean "at least in part based on...", unless the context clearly indicates otherwise.

[0042] In the embodiments of the present application, the term "communication network" or "wireless communication network" may refer to a network that complies with any of the following communication standards, such as Long Term Evolution (LTE), enhanced Long Term Evolution (LTE-A, LTE-Advanced), Wideband Code Division Multiple Access (WCDMA), High-Speed ​​Packet Access (HSPA), etc.

[0043] Furthermore, communication between devices in the communication system may be carried out according to communication protocols of any stage, for example, including but not limited to the following communication protocols: 1G (generation), 2G, 2.5G, 2.75G, 3G, 4G, 4.5G and 5G, New Radio (NR), etc., and / or other communication protocols currently known or to be developed in the future.

[0044] In the embodiments of the present application, the term "network device" refers to, for example, a device in a communication system that connects a terminal device to the communication network and provides services to the terminal device. Network devices may include, but are not limited to, the following devices: base station (BS), access point (AP), transmission reception point (TRP), broadcast transmitter, mobile management entity (MME), gateway, server, radio network controller (RNC), base station controller (BSC), etc.

[0045] Base stations may include, but are not limited to, Node B (NB), evolved Node B (eNodeB or eNB), and 5G base stations (gNB), among others. They may also include remote radio heads (RRHs), remote radio units (RRUs), relays or low-power nodes (e.g., femeto, pico, etc.), IAB (Integrated Access and Backhaul) nodes, IAB-DUs, or IAB-donors. The term "base station" may include some or all of these functions, and each base station may provide communication coverage for a specific geographic area. The term "cell" may refer to a base station and / or its coverage area, depending on the context in which the term is used. The terms "cell" and "base station" may be used interchangeably to avoid confusion.

[0046] In the embodiments of the present application, the term "user equipment" (UE) or "terminal equipment" (TE) refers to, for example, a device that accesses a communication network through a network device and receives network services. A terminal device can be fixed or mobile and may also be referred to as a mobile station (MS), a terminal, a subscriber station (SS), an access terminal (AT), an IAB-MT, a station, and so on.

[0047] Terminal devices may include, but are not limited to, the following devices: cellular phones, personal digital assistants (PDAs), wireless modems, wireless communication devices, handheld devices, machine-type communication devices, laptop computers, cordless phones, smartphones, smart watches, digital cameras, etc.

[0048] For another example, in scenarios such as the Internet of Things (IoT), the terminal device can also be a machine or device for monitoring or measurement, including but not limited to: machine type communication (MTC) terminal, vehicle-mounted communication terminal, device-to-device (D2D) terminal, machine-to-machine (M2M) terminal, and so on.

[0049] In addition, the term "network side" or "network device side" refers to one side of the network, which can be a base station or one or more network devices as described above. The term "user side" or "terminal side" or "terminal device side" refers to the user or terminal side, which can be a UE or one or more terminal devices as described above. Unless otherwise specified herein, "device" can refer to either network equipment or terminal equipment.

[0050] In the following description, the terms "uplink control signal" and "uplink control information (UCI)" or "physical uplink control channel (PUCCH)" are interchangeable, and the terms "uplink data signal" and "uplink data information" or "physical uplink shared channel (PUSCH)" are interchangeable to avoid confusion.

[0051] The terms "downlink control signal" and "downlink control information (DCI)" or "physical downlink control channel (PDCCH)" are interchangeable, and the terms "downlink data signal" and "downlink data information" or "physical downlink shared channel (PDSCH)" are interchangeable.

[0052] In addition, sending or receiving PUSCH can be understood as sending or receiving uplink data carried by PUSCH, sending or receiving PUCCH can be understood as sending or receiving uplink information carried by PUCCH, and sending or receiving PRACH can be understood as sending or receiving preamble carried by PRACH; uplink signals can include uplink data signals and / or uplink control signals, etc., and can also be referred to as uplink transmission (UL transmission) or uplink information or uplink channels. Sending uplink transmission on uplink resources can be understood as sending the uplink transmission using the uplink resources. Similarly, downlink data / signals / channels / information can be understood accordingly.

[0053] In the embodiments of the present application, the high-layer signaling may be, for example, radio resource control (RRC) signaling; for example, an RRC message, including, for example, an MIB, system information, or a dedicated RRC message; or an RRC information element (RRC IE). The high-layer signaling may also be, for example, MAC (Medium Access Control) signaling; or a MAC control element (MAC CE). However, the present application is not limited thereto.

[0054] The following describes the scenarios of the embodiments of the present application through examples, but the present application is not limited thereto.

[0055] FIG2 is a schematic diagram of a communication system according to an embodiment of the present application, schematically illustrating a situation using a terminal device and a network device as an example. As shown in FIG2 , a communication system 200 may include a network device 201 and terminal devices 202 and 203. For simplicity, FIG2 illustrates only two terminal devices and one network device as an example, but the embodiments of the present application are not limited thereto.

[0056] In the embodiment of the present application, existing services or future services can be transmitted between the network device 201 and the terminal devices 202 and 203. For example, these services may include, but are not limited to, enhanced mobile broadband (eMBB), massive machine type communication (mMTC), and ultra-reliable and low-latency communication (URLLC), etc.

[0057] Among them, the terminal device 202 can send data to the network device 201, for example, using an authorized or unauthorized transmission mode. The network device 201 can receive data sent by one or more terminal devices 202 and feedback information to the terminal device 202, such as confirmation ACK / non-confirmation NACK information. The terminal device 202 can confirm the end of the transmission process, or can continue new data transmission, or can retransmit the data based on the feedback information.

[0058] It is worth noting that FIG2 shows that both terminal devices 202 and 203 are within the coverage range of network device 201, but the present application is not limited thereto. Both terminal devices 202 and 203 may not be within the coverage range of network device 201, or one terminal device 202 may be within the coverage range of network device 201 while the other terminal device 203 is outside the coverage range of network device 201.

[0059] The embodiments of the present application are described below with reference to the accompanying drawings and specific implementation methods.

[0060] Embodiments of the first aspect

[0061] An embodiment of the present application provides an information processing method, which is described from the perspective of a terminal device.

[0062] FIG3 is a schematic diagram of an information processing method according to an embodiment of the present application, which is applied to a terminal device. As shown in FIG3 , the method includes:

[0063] 301. The terminal device receives a discovery reference signal sent by a network-side device;

[0064] 302. The terminal device performs downlink reception of a first cell reference signal or determines a measurement result of the first cell according to the discovery reference signal;

[0065] The discovery reference signal is a synchronization reference signal (SS) included in the first synchronization signal block of the first cell.

[0066] It is worth noting that FIG3 above only schematically illustrates an embodiment of the present application, and the present application is not limited thereto. For example, other operations may be added or some operations may be reduced. Those skilled in the art may make appropriate modifications based on the above content, and are not limited to the description of FIG3 above.

[0067] In some embodiments, when there is no business, the network side may stop sending the synchronization signal blocks of one or more service cells of the terminal device or the physical broadcast channel (PBCH) carrying the master information block (MIB) of the synchronization signal block, or extend the sending period of the synchronization signal block (for example, from 20ms to 320ms), or extend the sending period of the PBCH of the synchronization signal block. Below, stopping sending the synchronization block may also refer to extending the period of the synchronization signal block, and stopping sending the PBCH may also refer to extending the period of the PBCH. The synchronization signal block of the first cell (or the first carrier) is referred to as the first synchronization signal block below. The first cell is a service cell that stops sending the synchronization signal block or the physical broadcast channel (PBCH) carrying the master information block (MIB) of the synchronization signal block. The first cell can be a special cell of the terminal device (such as the primary cell PCell or the primary and secondary cell PSCell), or it can be a non-special cell (such as SCell). For example, the first cell is a special cell (SpCell) of the terminal device when it is in a connected state, or it is a cell selected or reselected by the terminal device when it is in an idle or deactivated state; the embodiment of the present application is not limited to this, thereby saving energy consumption overhead on the network side. Therefore, the first cell can also be called an energy-saving cell (or SSB-less cell). The synchronization signal block (also called synchronization signal and PBCH block, SSB for short) may include a primary synchronization signal (PSS), a secondary synchronization signal (SSS), and / or a physical broadcast channel (PBCH).

[0068] In some embodiments, the synchronization signal block of the second cell (or the second carrier) is called the second synchronization signal block. The second cell can be a special cell of the terminal device (for example, the primary cell PCell or the primary and secondary cell PSCell), or it can be a non-special cell (for example, SCell). The second cell can also be called a reference cell or an anchor cell. The embodiments of the present application are not limited to this. In the embodiments of the present application, there is no QCL relationship between the first SSB of the first cell and the second SSB of the second cell with the same index, and since the first SSB stops sending, the terminal device cannot perform downlink reception of the first cell reference signal or determine the measurement result of the first cell based on the first SSB or the second SSB.

[0069] In some embodiments, in order to downlink receive the reference signal of the first cell or determine the measurement result of the first cell, the network side device may send a discovery reference signal, where the discovery reference signal is a synchronization reference signal (SS) contained in the first SSB of the first cell, including the PSS and / or SSS. For example, the network side device may stop sending the first SSB but send the discovery reference signal separately; or the network device may stop sending the physical broadcast channel (PBCH) carrying the master information block (MIB) of the first SSB but continue to send the synchronization reference signal in the first SSB.

[0070] In some embodiments, the first synchronization signal block of the first cell is in a quasi-co-location QCL relationship with the discovery reference signal, and the types of the QCL relationship include QCL type C and QCL type D. The first synchronization signal block in the quasi-co-location relationship and the discovery reference signal have the same index. In other words, the first SSB and the discovery reference signal with the same index are in a quasi-co-location relationship, and the quasi-co-location relationship can be indicated by second indication information. The indication method will be described later.

[0071] In some embodiments, when the terminal device fails to successfully receive the first synchronization signal block sent by the network side device (the first SSB of the first cell stops sending) or fails to successfully receive the PBCH of the first synchronization signal block, the discovery reference signal can provide downlink channel estimation information for the first cell, or in other words, the terminal device performs downlink reception of the first cell reference signal or determines the measurement result of the first cell based on the discovery reference signal, and the terminal device can perform random access, CSI-RS or SSB-based RLM / BFD / RRM, cell selection or reselection measurement in the first cell. In this way, the terminal device does not have to switch to other cells, and the terminal device originally residing in the first cell does not have to reselect the cell, which can avoid migrating the terminal device in the energy-saving state cell to the adjacent cell to cause service interruption and increase the load level of the adjacent cell, thereby ensuring that the user experience is not reduced when the cell enters the energy-saving state.

[0072] In some embodiments, the network side device can instruct the network side device to stop sending the first SSB of the first cell that should be sent, or instruct the network side device to stop sending the PBCH carrying the MIB of the first SSB that should be sent, by sending the first indication information. When the first indication information is not sent, it means that the SSBs that should actually be sent are sent normally. The first indication information can be represented by one or more bits, and is also used to indicate the index of the first synchronization signal that should be sent that is stopped from being sent or the index of the first synchronization signal block of the PBCH carrying the MIB that should be sent that is stopped from being sent. The network device of the first cell can send the first indication information before stopping sending the first SSB and system information or before stopping sending the physical broadcast channel (PBCH) carrying the master information block (MIB) of the first synchronization signal block and system information. The first indication information can be carried by system information or a dedicated RRC message.

[0073] For example, the first indication information may be a newly added information element in the system information or dedicated RRC message. When the newly added information element is not included in the system information or dedicated RRC signaling, it indicates that the SSBs that should have been sent by the first cell are all sent normally. When the newly added information element is included in the system information or dedicated RRC signaling, it indicates that the first SSB of the first cell that should have been sent or the PBCH carrying the MIB of the first SSB stops sending. The value of the information element is used to indicate the index of the first SSB that stops sending. For example, the information element may be represented by a bitmap, where each bit of the bitmap corresponds to the index of an SSB. If the value of the bit is 1, it indicates that the SSB of the index is sent normally, and the value of the bit is 0, it indicates that the SSB of the index stops sending, and vice versa. Alternatively, the information element may also use an N-bit value to represent the SSB index value (SSB index) that stops sending. The embodiments of the present application are not limited to this.

[0074] In some embodiments, the network side device can indicate to the terminal device that it can downlink receive the first cell reference signal or determine the measurement result of the first cell by discovering the reference signal by sending a second indication information. When the terminal device receives the second indication information, it indicates that the terminal device can downlink receive the first cell reference signal or determine the measurement result of the first cell by discovering the reference signal. When the terminal device does not receive the second indication information, it indicates that the terminal device cannot downlink receive the first cell reference signal or determine the measurement result of the first cell by discovering the reference signal. If the terminal device needs to downlink receive the first cell reference signal or determine the measurement result of the first cell, it needs to send a wake-up signal to resume sending the first SSB. Relevant embodiments of the wake-up signal will be described in the embodiments of the second aspect.

[0075] Alternatively, in some embodiments, the second indication information is used to indicate that the first synchronization signal block and the discovery reference signal are in a quasi-co-location relationship, so that the terminal device can downlink receive the first cell reference signal or determine the measurement result of the first cell through the discovery reference signal.

[0076] In some embodiments, the network device of the first cell may send second indication information before stopping sending the first SSB or stopping sending the PBCH and system information carrying the MIB of the first SSB. The second indication information may be carried by system information or a dedicated RRC message.

[0077] For example, the second indication information may be a newly added information element in the system information or dedicated RRC message. When the information element is not included in the system information or dedicated RRC signaling, it indicates that the terminal device cannot perform downlink reception of the first cell reference signal or determine the measurement result of the first cell through the discovery reference signal. When the information element is included in the system information or dedicated RRC signaling, it indicates that the terminal device can perform downlink reception of the first cell reference signal or determine the measurement result of the first cell through the discovery reference signal.

[0078] For example, the newly added information element may be a quasi-co-location identification information element, which includes identification information of a discovery reference signal, and is used to indicate that the first synchronization signal block of the first cell and the discovery reference signal are in a quasi-co-location relationship. When this information element is included in the system information or dedicated RRC signaling, it indicates that the terminal device can downlink receive the first cell reference signal or determine the measurement result of the first cell through the discovery reference signal.

[0079] In some embodiments, the second indication information further includes configuration information of the discovery reference signal, where the configuration information of the discovery reference signal includes at least one of a center frequency of the discovery reference signal, a subcarrier spacing, a transmission period, and an index of a reference signal transmitted within a transmission period. In other words, before transmitting the discovery reference signal, the network device may further transmit the configuration information of the discovery reference signal, and the terminal device receives the discovery reference signal on the corresponding resource based on the configuration information.

[0080] For example, the newly added information element may be a quasi-co-location identification information element, which includes configuration information of a discovery reference signal, and is used to indicate that the first synchronization signal block of the first cell and the discovery reference signal are in a quasi-co-location relationship. When this information element is included in the system information or dedicated RRC signaling, it indicates that the terminal device can downlink receive the first cell reference signal or determine the measurement result of the first cell through the discovery reference signal.

[0081] Optionally, when the configuration information of the discovery reference signal indicated by the second indication information is broadcast through the system information of the second cell or the neighboring cell of the first cell, the configuration information of the discovery reference signal may also include the synchronization timing offset between the first cell and the second cell, or include the synchronization timing offset between the first cell and the neighboring cell, in units of half a frame.

[0082] It should be noted that the network-side device that sends / stops sending the first SSB of the first cell or the PBCH carrying the MIB thereof and the network-side device that sends the discovery reference signal may be the same or different network devices. The network-side device that sends the first indication information and the second indication information and receives the wake-up signal may be the same or different network devices as the network-side device that sends the discovery reference signal.

[0083] In addition, the network-side device that sends the discovery reference signal may also exchange the first indication information and / or the second indication information with an adjacent network device, and the adjacent network device may also send the first indication information and / or the second indication information to a terminal device of a neighboring cell or a terminal device that receives the discovery reference signal via system information or a dedicated RRC message. The embodiments of the present application are not limited to this and will be specifically described in the embodiments of the fifth aspect.

[0084] In some embodiments, as described above, when the terminal device receives the second indication information, it can downlink receive the first cell reference signal or determine the measurement result of the first cell based on the discovery reference signal, perform random access on the first cell based on the measurement result, perform RLM / BFD / RRM measurements, cell selection and / or reselection measurements, etc. That is, when the terminal device needs to perform random access on the first cell, perform RLM / BFD / RRM measurements, cell selection and / or reselection measurements, it can downlink receive the first cell reference signal or determine the measurement result of the first cell based on the discovery reference signal.

[0085] In some embodiments, in 302, the terminal device may determine a measurement result of the first cell based on a discovery reference signal, where the measurement result includes: one of received power (RSRP), received quality (RSRQ), and signal-to-interference ratio (SINR). The terminal device performs random access, SSB-based radio link monitoring (RLM), SSB-based beam failure detection (BFD), SSB-based radio resource management (RRM) measurement, cell selection, and / or reselection measurement in the first cell based on the measurement result of the discovery reference signal.

[0086] In some embodiments, in 302, the terminal device can downlink receive the first cell reference signal based on the discovery reference signal, and the first cell reference signal includes: CSI-RS, and the CSI-RS is in a QCL relationship with the first SSB, that is, the terminal device downlink receives the CSI-RS that is in a quasi-co-location relationship with the first synchronization signal block based on the discovery reference signal, and performs RLM / BFD / RRM measurement based on the received CSI-RS, or non-competitive random access.

[0087] On the one hand, when the terminal device receives a CSI-RS that is quasi-co-located with the first synchronization signal block, the terminal device uses downlink reception parameters for receiving the discovery reference signal as downlink reception parameters for receiving the CSI-RS that is quasi-co-located with the first synchronization signal block. The downlink reception parameters include Doppler shift, Doppler spread, average delay, delay spread, and spatial reception parameters.

[0088] On the one hand, the terminal device determines that the quasi-co-location relationship between the CSI-RS and the synchronization signal block of the first cell is the same as the quasi-co-location relationship between the CSI-RS and the discovery reference signal, and receives the CSI-RS according to the downlink reception parameter for receiving the discovery reference signal. The same quasi-co-location relationship means that the CSI-RS has a quasi-co-location relationship with the first SSB, the discovery reference signal has a quasi-co-location relationship with the first SSB, and the CSI-RS also has a quasi-co-location relationship with the discovery reference signal.

[0089] Therefore, the terminal device can perform RLM / BFD / RRM measurements or non-competitive random access based on the CSI-RS.

[0090] It can be seen from the above embodiments that the terminal device can downlink receive the reference signal of the energy-saving cell or determine the measurement result of the energy-saving cell based on the discovery reference signal, and the terminal device can perform random access, RLM / BFD / RRM measurement, cell selection or reselection measurement in the energy-saving cell. In this way, the terminal device does not have to switch to other cells, and the terminal device originally residing in the energy-saving cell does not have to reselect the cell. It can avoid migrating the terminal device in the energy-saving state cell to the adjacent cell to cause service interruption and increase the load level of the adjacent cell, and ensure that the user experience is not reduced when the cell enters the energy-saving state.

[0091] Embodiments of the second aspect

[0092] The embodiment of the present application provides a method for sending information. The method is described from the perspective of a terminal device, and the contents that are the same as those in the embodiment of the first aspect are not repeated.

[0093] FIG4 is a schematic diagram of a method for sending information according to an embodiment of the present application. As shown in FIG4 , the method includes:

[0094] 401. When the terminal device initiates random access in the first cell or performs RLM / BFD / RRM measurement or cell selection or reselection measurement based on the first synchronization signal block of the first cell, and the terminal device cannot successfully receive or measure the first synchronization signal block, send a first wake-up signal to the network side device, where the first wake-up signal is used to instruct the network side device to resume sending the first synchronization signal block of the first cell or resume sending the PBCH carrying the MIB of the first synchronization signal block;

[0095] In some embodiments, in 401, when the terminal device does not receive the second indication information sent by the network side device and when the terminal device initiates random access in the first cell or performs RLM / BFD / RRM measurement or cell selection or reselection to the first cell based on the first synchronization signal block of the first cell, the first wake-up signal is sent to the network side device, for example, carried by a designated PRACH opportunity or random access preamble code; the implementation method of the second indication information can refer to the embodiment of the first aspect and will not be repeated here.

[0096] That is to say, the terminal device did not receive the second indication information, indicating that the terminal device cannot perform downlink reception of the first cell reference signal or determine the measurement result of the first cell based on the discovery reference signal. If the terminal device needs to initiate random access or perform RLM / BFD / RRM measurement or cell selection or reselection to the first cell based on the first synchronization signal block of the first cell, it is necessary to send a first wake-up signal to enable the first cell to resume sending SSB or resume sending PBCH carrying MIB of the first synchronization signal block.

[0097] In some embodiments, the method may further include: when the terminal device cannot successfully receive or measure the second synchronization signal block of the second cell, the terminal device sends a second wake-up signal to the network side device, and the second wake-up signal is used to instruct the network side device to resume sending the second synchronization signal block of the second cell or resume sending the PBCH carrying the MIB of the second synchronization signal block.

[0098] The first synchronization signal block of the first cell and the second synchronization signal block of the second cell are in a quasi-co-location (QCL) relationship.

[0099] In some embodiments, the implementation of the first cell, the second cell, the first SSB and the second SSB please refer to the embodiment of the first aspect and will not be repeated here.

[0100] In some embodiments, the method may further include: the terminal device receives first indication information. For the implementation of the first indication information, please refer to the embodiment of the first aspect and will not be repeated here.

[0101] It should be noted that the sending objects of the first and second wake-up signals, and the executing entities of sending the first indication information and the second indication information are the same or different from the network device that stops sending the first SSB and the network device that sends the second SSB, and are the same or different from the network device that sends the discovery reference signal.

[0102] In some embodiments, the method may further include:

[0103] 402. The terminal device receives the first synchronization signal block resumed and sent by the network side device or the PBCH carrying the MIB of the resumed first synchronization signal block;

[0104] 403 : Perform random access according to the first synchronization signal block or perform RLM / BFD / RRM measurement or cell selection or reselection to the first cell based on the first synchronization signal block of the first cell.

[0105] Regarding the implementation of 402-403, reference may be made to the prior art and will not be repeated here.

[0106] In addition, if the second cell does not send the second SSB or the PBCH carrying the MIB, the terminal device can also receive the second synchronization signal block resumed and sent by the network side device or the PBCH carrying the MIB that resumes sending the second synchronization signal block.

[0107] It can be seen from the above embodiments that the terminal device can send a wake-up signal (Wake-Up signal) to enable the energy-saving cell that stops sending SSB to resume the transmission of SSB or resume the transmission of PBCH carrying MIB of the first SSB, and perform random access, RLM / BFD / RRM measurement, cell selection or reselection, etc. in the energy-saving cell based on the resumed SSB. In this way, the terminal device does not have to switch to other cells, and the terminal device originally residing in the energy-saving cell does not have to reselect the cell, which can avoid migrating the terminal device in the energy-saving state cell to the adjacent cell to cause service interruption and increase the load level of the adjacent cell.

[0108] Embodiments of the third aspect

[0109] The present application provides an information sending method, which is a processing method of a network-side device corresponding to the methods of the first and second aspects of the present application, wherein the same contents as those of the first and second aspects of the present application are not repeated.

[0110] FIG5 is a schematic diagram of an information sending method according to an embodiment of the present application, which is applied to a first network device to which a first cell belongs. As shown in FIG5 , the method includes:

[0111] 501, the first network device stops sending the physical broadcast channel (PBCH) carrying the master information block (MIB) of the first synchronization signal block of the first cell that should have been sent to the terminal device, or stops sending the first synchronization signal block of the first cell that should have been sent to the terminal device; the first network device sends a discovery reference signal to the terminal device;

[0112] The discovery reference signal is a synchronization reference signal (SS) included in the first synchronization signal block of the first cell.

[0113] In some embodiments, the implementation of the discovery reference signal, the first cell, the second cell, the first SSB and the second SSB please refer to the embodiment of the first aspect and will not be repeated here.

[0114] In some embodiments, the method may further include: the first network device sends first indication information to the terminal device. For the implementation of the first indication information, reference may be made to the embodiment of the first aspect and will not be repeated here.

[0115] In some embodiments, the first network device sends second indication information to the terminal device. For the implementation of the second indication information, reference can be made to the embodiment of the first aspect and will not be repeated here.

[0116] In some embodiments, when the second indication information is not sent, that is, the terminal device cannot perform downlink reception of the first cell reference signal or determine the measurement result of the first cell through the discovery reference signal, the method may further include:

[0117] 502. The first network device receives a first wake-up signal sent by the terminal device. The first wake-up signal can refer to the embodiment of the second aspect and will not be described again here.

[0118] In some embodiments, the method further comprises:

[0119] 503. The first network device resumes sending the PBCH carrying the MIB of the first synchronization signal block or the first SSB of the first cell to the terminal device.

[0120] In some embodiments, the network side device resumes sending the first synchronization signal block of the first cell before sending the RRC reconfiguration message; the RRC reconfiguration message is an RRC reconfiguration message for primary cell group (MCG) or secondary cell group (SCG) resynchronization (ReSynchronization). Since the non-contention random access indicated by the RRC reconfiguration message for MCG / SCG resynchronization (ReSynchronization) is initiated by the network side device, the non-contention random access for MCG / SCG resynchronization (ReSynchronization) cannot be based on CSI-RS, but can only be based on SSB. Therefore, the network device needs to resume sending the first SSB before sending the RRC reconfiguration message, and the terminal device can complete the non-contention random access indicated by the RRC reconfiguration message for MCG / SCG resynchronization (ReSynchronization) based on the resumed first SSB.

[0121] When the second cell is also controlled by the first network device, the first network device may also stop sending the physical broadcast channel (PBCH) carrying the master information block (MIB) of the second synchronization signal block of the second cell to the terminal device, or stop sending the second synchronization signal block of the second cell to the terminal device, and receive the second wake-up signal to resume sending the second synchronization signal block of the second cell or the PBCH carrying the MIB of the second SSB to the terminal device. No further details will be given here.

[0122] The above embodiments are merely exemplary of the present invention, but the present invention is not limited thereto. Appropriate modifications may be made based on the above embodiments. For example, the above embodiments may be used alone, or one or more of the above embodiments may be combined.

[0123] As mentioned above, if there is no QCL relationship between the first SSB of the first cell and the reference signal of the second cell (including the second SSB and CSI-RS), the network device can send a discovery reference signal to the terminal device, and the terminal device of the first cell performs downlink reception of the first cell reference signal or determines the measurement result of the first cell based on the discovery reference signal; if there is a QCL relationship between the first SSB of the first cell and the reference signal of the second cell (including the second SSB and CSI-RS), the terminal device of the first cell can perform downlink reception of the first cell reference signal or determine the measurement result of the first cell based on the reference signal of the second cell.

[0124] Network devices can also exchange information such as whether to stop sending SSB instructions. The neighboring base stations of the energy-saving cell broadcast the exchanged information to the terminal devices through system information, so that the terminal devices of the neighboring cells can also detect the energy-saving cell and use the discovery reference signal or the reference signal of the second cell to perform RRM measurements on the energy-saving cell.

[0125] In the above embodiments, the information interaction (through the air interface) and actions between the terminal device and the network device are described. The following describes the information interaction (through the Xn interface) and actions between the network devices in combination with the embodiments of the fourth and fifth aspects.

[0126] Embodiments of the fourth aspect

[0127] The embodiment of the present application provides a method for sending and receiving information, which is described from the perspective of a first network device to which a first cell belongs.

[0128] FIG6 is a schematic diagram of a method for sending and receiving information in an embodiment of the present application. As shown in FIG6 , the method includes:

[0129] 601. The first network device sends third indication information to the second network device, where the third indication information is used to instruct the first network device to stop or resume sending the first synchronization signal block of the first cell that should have been sent, or to instruct the first network device to stop or resume sending the physical broadcast channel (PBCH) carrying the master information block (MIB) of the first synchronization signal block that should have been sent (hereinafter referred to as the PBCH of the first SSB).

[0130] In some embodiments, the first network device can inform the second network device through the third indication information whether the cell it controls stops sending the first SSB or the PBCH of the first SSB, or whether it resumes sending the first SSB or the PBCH of the first SSB, or whether it changes from stopping sending to resuming sending the first SSB or the PBCH of the first SSB, or whether it changes from sending to stopping sending the first SSB or the PBCH of the first SSB.

[0131] In some embodiments, the third indication information can be implicitly indicated by reusing the information element in the existing serving cell information field (Served Cell Information NR). For example, the existing information element (ssb-PositionsInBurst) for indicating the position of the SSB actually sent can be reused for implicit indication. In the bitmap contained in the information element, each bit corresponds to an SSB (SSB index). If the bit value on a bit position is 0, it indicates that the SSB corresponding to the bit or the PBCH of the SSB is stopped. If the first cell stops sending all SSBs or the PBCH of all SSBs, the bitmap is all zero. If the bit value on a bit position is 1, it indicates that the SSB corresponding to the bit or the PBCH of the SSB is sent normally. If the first cell sends all SSBs or the PBCH of all SSBs normally, the bitmap is all 1.

[0132] In some embodiments, the third indication information may be an explicit indication of a newly added information element in the service cell information field. For example, in the newly added information element, the number of bits of the newly added information element may be the same as the number of bits of the information element (ssb-PositionsInBurst), and each bit in the bitmap contained in the newly added information element corresponds to an SSB (SSB index). If the bit value on a bit position is 0, it indicates that the SSB that should be sent or the PBCH of the SSB corresponding to the bit is stopped, and if the first cell stops sending all SSBs that should actually be sent or the PBCH of all SSBs, then the bitmap is all zero. If the bit value on a bit position is 1, it indicates that the SSB corresponding to the bit or the PBCH of the SSB is sent normally, and if the first cell sends all SSBs or the PBCH of all SSBs normally, then the bitmap is all 1. Optionally, the bit in the newly added information element is effective only when the corresponding bit in the information element (ssb-PositionsInBurst) is 1 (1 indicates that it should actually be sent). That is, if the information element (ssb-PositionsInBurst) is 001, corresponding to SSB index 0, 1, 2 respectively, and the newly added information element is 101, corresponding to SSB index 0, 1, 2 respectively, then SSB index 0 in the information element (ssb-PositionsInBurst) is 0, then in the newly added information element, the bit value 1 corresponding to SSB index 0 is invalid, and only the bit value corresponding to SSB index 2 is valid. Alternatively, the number of bits of the newly added information element can be the same as the number of bits with a bit value of 1 in the information element (ssb-PositionsInBurst), that is, each bit of the newly added information element corresponds to the SSB index with a corresponding bit value of 1 in the information element (ssb-PositionsInBurst) in sequence. If the bit value on the bit position is 0, it indicates to stop sending the SSB or the PBCH of the SSB corresponding to the bit that should be sent; if the bit value on a bit position is 1, it indicates to send the SSB or the PBCH of the SSB corresponding to the bit normally.

[0133] In some embodiments, if the first SSB of the first cell and the reference signal of the second cell have a QCL relationship, the method may further include:

[0134] 602. The first network device sends fourth indication information to the second network device, where the fourth indication information is used to indicate the second cell corresponding to the first cell, or to indicate that the first synchronization signal block of the first cell and the second synchronization signal block of the second cell are in a quasi-co-location relationship, so that the terminal device performs downlink reception of the first cell reference signal through the reference signal of the second cell or determines the measurement result of the first cell, wherein the reference signal of the second cell and the reference signal of the first cell include a synchronization signal block or a CSI-RS.

[0135] Thus, the terminal equipment of the neighboring cell can perform downlink synchronization and downlink channel estimation of the first cell, or perform RRM measurement of the first cell through the reference signal of the second cell.

[0136] In some embodiments, the fourth indication information reuses the information element in the existing serving cell information field (Served Cell Information NR) for indication. For example, the measurement timing field in the existing measurement timing configuration (Measurement Timing Configuration) for transmitting measurement timing assistance information may be reused for implicit indication. The measurement timing field may be expressed in the abstract syntax notation ASN.1 data format as follows:

[0137]

[0138] Among them, physCellId can indicate the second cell, represent the PCI of the second cell, carrierFreq can indicate the absolute frequency of the second SSB of the second cell, and ssb-MeasurementTimingConfiguration can indicate the measurement timing information used to search for the second SSB of the second cell.

[0139] In some embodiments, a new information element may be added to the serving cell information of the first cell or the serving cell of the second cell to indicate the second cell. For example, in the serving cell information of the first cell, the new information element indicates the identifier (NCGI or PCI) of the second cell and, optionally, measurement timing information. Alternatively, a new information element may be added to the serving cell information of the second cell to indicate which first cells the cell can serve as the second cell of.

[0140] For example, the information element may be a quasi-co-located cell identification information element, indicating the identifier of the second cell, and being used to indicate that the first synchronization signal block of the first cell and the second synchronization signal block of the second cell are in a quasi-co-located relationship. For example, in the serving cell information of the first cell, a new information element is added to indicate the identifier (NCGI or PCI) of the second cell, indicating that the first SSB of the first cell and the second SSB of the second cell (with the same index as the first SSB) of the identified cell are in a quasi-co-located relationship.

[0141] In some embodiments, if there is no QCL relationship between the first SSB of the first cell and the reference signal of the second cell, the network device may send a discovery reference signal to the terminal device. The method may also include:

[0142] 603. The first network device sends fifth indication information to the second network device, where the fifth indication information is used to instruct the terminal device to support downlink reception of the first cell reference signal or determine the measurement result of the first cell through the discovery reference signal, or to indicate that the first synchronization signal block and the discovery reference signal are in a quasi-co-location relationship.

[0143] In some embodiments, the fifth indication information may be a newly designed information element in the serving cell information field. The first network device sends the fifth indication information to indicate to the terminal device that it is capable of downlink receiving the first cell reference signal or determining the measurement result of the first cell through the discovery reference signal. When the fifth indication information is not sent, it indicates that the terminal device is unable to downlink receive the first cell reference signal or determine the measurement result of the first cell through the discovery reference signal.

[0144] In some embodiments, the fifth indication information may include an identifier indicating a discovery reference signal, which is used to indicate that the first synchronization signal block of the first cell and the discovery reference signal are in a quasi-co-location relationship. For example, when the second network device receives the fifth indication information, it indicates that the first SSB of the first cell and the discovery reference signal with the identifier are in a quasi-co-location relationship, and implicitly instructs the terminal device to perform downlink reception of the first cell reference signal or determine the measurement result of the first cell through the discovery reference signal.

[0145] Optionally, the fifth indication information may also include configuration information indicating the discovery reference signal, and the configuration information of the discovery reference signal includes at least one of the center frequency of the discovery reference signal, the subcarrier spacing, the transmission period, and the index of the reference signal sent within a transmission period. That is, the newly designed information element is used to indicate the configuration information of the discovery reference signal. When the fifth indication information is included in the serving cell information field, it implicitly indicates that the terminal device can downlink receive the first cell reference signal or determine the measurement result of the first cell through the discovery reference signal, and the configuration information of the discovery reference signal can be determined based on the fifth indication information.

[0146] In some embodiments, the first network device sends the third indication information, the fourth indication information and / or the fifth indication information to the second network device during the Xn connection establishment process, wherein the third indication information and / or the fourth indication information and / or the fifth indication information are carried by the serving cell information included in the Xn Setup Request (Xn Setup Request) or Xn Setup Response (Xn Setup Response) message.

[0147] In some embodiments, when the first cell changes from the state of sending the first SSB to stopping sending the first SSB, or changes from the state of stopping sending the first SSB to resuming sending the first SSB, or the second cell is updated (the second cell identifier is updated or the frequency or measurement timing information of the second cell SSB is changed), or the configuration information of the discovery reference signal is updated, the first network device sends the third indication information and / or the fourth indication information and / or the fifth indication information to the second network device during the NG-RAN node configuration update process, wherein the third indication information, the fourth indication information and / or the fifth indication information are carried by the serving cell information included in the NG-RAN node configuration update (NG-RAN NodeConfiguration Update) message.

[0148] The above takes the example of the first network device notifying the second network device whether the first cell controlled by it stops sending the first SSB, or the PBCH of the first SSB, or the reference cell of the first cell (the second cell), and the discovery reference signal configuration information of the first cell. However, the first cell can be one or more, that is, the first network device can pass the above information of multiple cells controlled by it to the second network device, and no further details will be given here.

[0149] In some embodiments, the first network device may also carry the third indication information and / or the fourth indication information and / or the fifth indication information to the first terminal device through the system information of the first cell or a dedicated RRC message before stopping sending the synchronization signal block and system information or stopping sending the physical broadcast channel (PBCH) carrying the master information block (MIB) and system information in the synchronization signal block. For details, please refer to the sending method of the first indication information or the second indication information of the embodiment of the first aspect, which will not be repeated here. The first terminal device can be a terminal device of the first cell. When the second cell is also controlled by the first network device, the first terminal device can also be a terminal device of the second cell.

[0150] In some embodiments, the first network device may also receive an indication sent by the second network device indicating whether the cell controlled by the second network device stops sending SSB, or the PBCH of SSB, or the reference cell of the cell, the discovery reference signal configuration information of the cell, etc. The implementation method is similar to the third indication information, the fourth indication information, and the fifth indication information, and will not be repeated here.

[0151] It should be noted that the above 601-603 can be implemented individually or in combination, and the embodiments of the present application are not limited thereto.

[0152] It can be seen from the above embodiments that network devices can interact with each other to determine whether to stop sending SSB indication information, so that the neighboring base stations of the energy-saving cell broadcast the interactive information to the terminal device through system information, thereby enabling the terminal device to detect the energy-saving cell and use the discovery reference signal or the reference signal of the second cell to perform RRM measurements on the energy-saving cell.

[0153] Embodiments of the fifth aspect

[0154] The embodiment of the present application provides a method for sending and receiving information. From the side of the second network device, the second network device may be a network device belonging to a neighboring cell of the first cell, which is described in detail below.

[0155] FIG7 is a schematic diagram of a method for sending and receiving information in an embodiment of the present application. As shown in FIG7 , the method includes:

[0156] 701. The second network device receives third indication information sent by the first network device, where the third indication information is used to instruct the first network device to stop or resume sending the first synchronization signal block of the first cell that should have been sent, or to instruct the first network device to stop or resume sending the physical broadcast channel (PBCH) carrying the master information block (MIB) of the first synchronization signal block that should have been sent (hereinafter referred to as the PBCH of the first SSB).

[0157] Optionally, the method may further include:

[0158] 702. The second network device receives fourth indication information sent by the first network device, where the fourth indication information is used to indicate the second cell corresponding to the first cell, or to indicate that the first synchronization signal block of the first cell and the second synchronization signal block of the second cell are in a quasi-co-location relationship, so that the terminal device performs downlink reception of the first cell reference signal through the reference signal of the second cell or determines the measurement result of the first cell, wherein the reference signal of the second cell and the reference signal of the first cell include a synchronization signal block or a CSI-RS.

[0159] Optionally, the method may further include:

[0160] 703. The second network device receives the fifth indication information sent by the first network device, and the fifth indication information is used to indicate that the terminal device is supported to downlink receive the first cell reference signal or determine the measurement result of the first cell through the discovery reference signal, or to indicate that the first synchronization signal block and the discovery reference signal are in a quasi-co-location relationship.

[0161] For the implementation of 701-703, please refer to 601-603 in the embodiment of the fourth aspect, and will not be repeated here.

[0162] In some embodiments, the method may further include: the second network device sending the third indication information, the fourth indication information and / or the fifth indication information to a second terminal device. The second terminal device is a terminal device served by the second network device.

[0163] In some embodiments, the second network device carries the third indication information and / or the fourth indication information and / or the fifth indication information through system information or a dedicated RRC message.

[0164] In some embodiments, the system information is system information of a first cell or system information of a neighboring cell. The system information of the first cell is included in the system information of the neighboring cell, wherein the neighboring cell is a cell controlled by the second network device.

[0165] Optionally, when the configuration information of the discovery reference signal indicated by the fifth indication information is broadcast through the system information of the neighboring cell, the configuration information of the discovery reference signal may further include the synchronization timing offset between the first cell and the neighboring cell, in units of half a frame. In some embodiments, the second network device may further send to the first network device an indication of whether the cell controlled by the second network device stops sending SSB, or PBCH of SSB, or a reference cell of the cell, discovery reference signal configuration information of the cell, etc. The implementation method thereof is similar to the third indication information, the fourth indication information, and the fifth indication information, and will not be repeated here.

[0166] It should be noted that the above 701-703 can be implemented individually or in combination, and the embodiments of the present application are not limited to this.

[0167] It can be seen from the above embodiments that network devices can interact with each other to determine whether to stop sending SSB indication information, so that the neighboring base stations of the energy-saving cell broadcast the interactive information to the terminal device through system information, thereby enabling the terminal device to detect the energy-saving cell and use the discovery reference signal or the reference signal of the second cell to perform RRM measurements on the energy-saving cell.

[0168] Embodiments of the sixth aspect

[0169] The embodiments of the present application provide an information processing device. The device may be, for example, a network device, or one or more components or assemblies configured on the network device. The device of the embodiments of the present application corresponds to the method of the embodiments of aspects 3 to 5, and the contents that are the same as those of aspects 3 to 5 will not be repeated.

[0170] FIG8 is a schematic diagram of an example of an information transceiver device according to an embodiment of the present application, which is applied to a first network device to which a first cell belongs. As shown in FIG8 , the information transceiver device 800 includes:

[0171] A third sending unit 801 stops sending a physical broadcast channel (PBCH) carrying a master information block (MIB) of a first synchronization signal block of a first cell that should have been sent to a terminal device, or stops sending the first synchronization signal block of the first cell that should have been sent to the terminal device; the first network device sends a discovery reference signal to the terminal device;

[0172] The discovery reference signal is a synchronization reference signal (SS) included in the first synchronization signal block of the first cell.

[0173] In some embodiments, the first synchronization signal block of the first cell is in a QCL relationship with the discovery reference signal.

[0174] In some embodiments, the first synchronization signal block and the discovery reference signal having a quasi co-location relationship have the same index.

[0175] In some embodiments, the third sending unit also sends the first indication information and / or the second indication information to the terminal device. For the implementation of the first indication information and / or the second indication information, reference can be made to the embodiment of the first aspect.

[0176] In some embodiments, the first cell is a special cell (SpCell) of the terminal device when it is in a connected state, or is a cell selected or reselected by the terminal device when it is in an idle or deactivated state.

[0177] In some embodiments, the first indication information and / or the second indication information is carried by system information of the first cell, system information of the second cell, or a dedicated RRC message.

[0178] In some embodiments, the system information of the first cell is included in the system information of the second cell.

[0179] In some embodiments, the second indication information also includes configuration information of the discovery reference signal, and the configuration information of the discovery reference signal includes at least one of the center frequency of the discovery reference signal, the subcarrier spacing, the transmission period, and the index of the reference signal sent within a transmission period.

[0180] In some embodiments, the configuration information of the discovery reference signal further includes a synchronization timing offset between the first cell and the second cell.

[0181] FIG9 is a schematic diagram of an example of an information transceiver device according to an embodiment of the present application, which is applied to a first network device to which a first cell belongs. As shown in FIG9 , the information transceiver device 900 includes:

[0182] The first sending unit 901 sends third indication information to the second network device, where the third indication information is used to instruct the first network device to stop or resume sending the first synchronization signal block of the first cell that should have been sent, or to instruct the first network device to stop or resume sending the physical broadcast channel (PBCH) carrying the master information block (MIB) of the first synchronization signal block that should have been sent.

[0183] In some embodiments, the first sending unit is also used to send fourth indication information and / or fifth indication information to the second network device. For the implementation of the third indication information and / or the fourth indication information and / or the fifth indication information, please refer to the embodiments of the fourth and fifth aspects, which will not be repeated here.

[0184] In some embodiments, the first sending unit sends the third indication information, the fourth indication information and / or the fifth indication information to the second network device during the Xn connection establishment process, wherein the third indication information and / or the fourth indication information and / or the fifth indication information are carried by the serving cell information included in the Xn Setup Request (Xn Setup Request) or Xn Setup Response (Xn Setup Response) message.

[0185] In some embodiments, the first sending unit sends the third indication information and / or the fourth indication information and / or the fifth indication information to the second network device during the NG-RAN node configuration update process, wherein the third indication information, the fourth indication information and / or the fifth indication information are carried by the serving cell information included in the NG-RAN node configuration update (NG-RAN NodeConfiguration Update) message.

[0186] In some embodiments, the first sending unit further sends the third indication information, the fourth indication information and / or the fifth indication information to the first terminal device.

[0187] In some embodiments, before the first network device stops sending the synchronization signal block and system information or stops sending the physical broadcast channel (PBCH) carrying the master information block (MIB) and system information in the synchronization signal block, the first sending unit carries the third indication information and / or the fourth indication information and / or the fifth indication information through the system information of the first cell or a dedicated RRC message.

[0188] FIG10 is a schematic diagram of an example of an information transceiver device according to an embodiment of the present application, which is applied to a second network device. As shown in FIG10 , the information transceiver device 1000 includes:

[0189] The first receiving unit 1001 receives third indication information sent by the first network device, where the third indication information is used to instruct the first network device to stop or resume sending the first synchronization signal block of the first cell that should have been sent, or to instruct the first network device to stop or resume sending the physical broadcast channel (PBCH) carrying the master information block (MIB) of the first synchronization signal block that should have been sent.

[0190] In some embodiments, the first receiving unit also receives fourth indication information and / or fifth indication information sent by the first network device. For the implementation of the third indication information and / or the fourth indication information and / or the fifth indication information, please refer to the embodiments of the fourth and fifth aspects, which will not be repeated here.

[0191] In some embodiments, the device may further include (not shown)

[0192] A second sending unit is configured to send the third indication information, the fourth indication information and / or the fifth indication information to a second terminal device.

[0193] In some embodiments, the second sending unit carries the third indication information and / or the fourth indication information and / or the fifth indication information through system information or a dedicated RRC message.

[0194] In some embodiments, the system information is system information of the first cell or system information of the second cell or a neighboring cell.

[0195] In some embodiments, the system information of the first cell is included in the system information of the second cell or the neighboring cell.

[0196] In some embodiments, the first receiving unit receives the third indication information, the fourth indication information and / or the fifth indication information during the Xn connection establishment process, wherein the third indication information and / or the fourth indication information and / or the fifth indication information are carried by the serving cell information included in the Xn setup request (Xn Setup Request) or the Xn setup response (Xn Setup Response) message.

[0197] In some embodiments, the first receiving unit receives the third indication information and / or the fourth indication information and / or the fifth indication information during the NG-RAN node configuration update process, wherein the third indication information, the fourth indication information and / or the fifth indication information are carried by the serving cell information included in the NG-RAN node configuration update (NG-RAN NodeConfiguration Update) message.

[0198] In some embodiments, the third indication information, the fourth indication information and / or the fifth indication information reuse information elements in an existing serving cell information field or are newly added information elements.

[0199] In some embodiments, the configuration information of the discovery reference signal further includes a synchronization timing offset between the first cell and the second cell or a neighboring cell.

[0200] The above embodiments of the present application are illustrative, but the present application is not limited thereto, and appropriate modifications can be made based on the above embodiments. For example, the above embodiments can be used alone, or one or more of the above embodiments can be combined.

[0201] It is worth noting that the above description only describes the components or modules related to this application, but this application is not limited thereto. The information transceiver devices 800-1000 may also include other components or modules. For the specific content of these components or modules, please refer to the relevant art. In addition, the above components or modules can be implemented by hardware facilities such as processors, memories, transmitters, and receivers; the implementation of this application is not limited to this.

[0202] Embodiments of the seventh aspect

[0203] The present application provides an information processing device. The device may be, for example, a terminal device, or one or more components or assemblies configured on the terminal device. The device of the present application corresponds to the method of the second aspect of the embodiment, and the contents that are the same as those of the second aspect of the embodiment are not repeated here.

[0204] FIG11 is a schematic diagram of an example of an information processing device according to an embodiment of the present application. As shown in FIG11 , the information processing device 1100 includes:

[0205] A second receiving unit 1101 is configured to receive a discovery reference signal sent by a network-side device;

[0206] A first processing unit 1102 is configured to downlink receive the first cell reference signal or determine a measurement result of the first cell according to the discovery reference signal;

[0207] The discovery reference signal is a synchronization reference signal (SS) included in the first synchronization signal block of the first cell.

[0208] In some embodiments, when the second receiving unit cannot successfully receive the first synchronization signal block of the first cell sent by the network side device or cannot successfully receive the PBCH of the first synchronization signal block, the first processing unit performs downlink reception of the first cell reference signal or determines the measurement result of the first cell based on the discovery reference signal.

[0209] In some embodiments, the first synchronization signal block of the first cell is in a QCL relationship with the discovery reference signal.

[0210] In some embodiments, the first synchronization signal block and the discovery reference signal having a quasi co-location relationship have the same index.

[0211] In some embodiments, the second receiving unit further receives first indication information and / or second indication information sent by the network side device. For the implementation of the first indication information and / or the second indication information, reference can be made to the embodiment of the first aspect.

[0212] In some embodiments, the first cell is a special cell (SpCell) of the terminal device when it is in a connected state, or is a cell selected or reselected by the terminal device when it is in an idle or deactivated state.

[0213] In some embodiments, the second receiving unit receives the first indication information and / or the second indication information sent by the network device to which the first cell belongs; or

[0214] Receive the first indication information and / or the second indication information forwarded by a neighboring network device of the network device to which the first cell belongs.

[0215] In some embodiments, the first indication information and / or the second indication information is carried by system information of the first cell, system information of the second cell, system information of a neighboring cell, or a dedicated RRC message.

[0216] In some embodiments, the system information of the first cell is included in the system information of the second cell or is included in the system information of the neighboring cell.

[0217] In some embodiments, the second indication information also includes configuration information of the discovery reference signal, and the configuration information of the discovery reference signal includes at least one of the center frequency of the discovery reference signal, the subcarrier spacing, the transmission period, and the index of the reference signal sent within a transmission period.

[0218] In some embodiments, the configuration information of the discovery reference signal further includes a synchronization timing offset between the first cell and the second cell or a neighboring cell.

[0219] In some embodiments, the first processing unit performs random access, SSB-based radio link monitoring (RLM), SSB-based beam failure detection (BFD), SSB-based radio resource management (RRM) measurement, cell selection and / or reselection in the first cell based on the measurement results of the discovery reference signal.

[0220] In some embodiments, the first processing unit performs downlink reception of a CSI-RS that is in a quasi-co-location relationship with the first synchronization signal block based on the discovery reference signal.

[0221] In some embodiments, when the first processing unit receives the CSI-RS that is in a quasi-co-site relationship with the first synchronization signal block, the downlink reception parameters for receiving the discovery reference signal are used as downlink reception parameters for receiving the CSI-RS that is in a quasi-co-site relationship with the first synchronization signal block.

[0222] In some embodiments, the first processing unit determines that the quasi-co-location relationship between the CSI-RS and the synchronization signal block of the first cell is the same as the quasi-co-location relationship between the CSI-RS and the discovery reference signal, and receives the CSI-RS according to the downlink reception parameters for receiving the discovery reference signal.

[0223] The above embodiments of the present application are illustrative, but the present application is not limited thereto, and appropriate modifications can be made based on the above embodiments. For example, the above embodiments can be used alone, or one or more of the above embodiments can be combined.

[0224] It is worth noting that the above description only describes the components or modules related to this application, but this application is not limited thereto. The information processing device 1100 may also include other components or modules. For the specific contents of these components or modules, reference may be made to the relevant art. In addition, the above components or modules may be implemented by hardware facilities such as processors, memories, transmitters, and receivers; this application is not limited to this.

[0225] Embodiments of the eighth aspect

[0226] An embodiment of the present application also provides a communication system, including a network device and a terminal device.

[0227] In some embodiments, the network device includes the apparatus described in the embodiment of the sixth aspect, and is configured to execute the method described in the embodiment of the third or fourth or fifth aspect. Since the method has been described in detail in the embodiment of the third or fourth or fifth aspect, its content is incorporated here and will not be repeated.

[0228] In some embodiments, the terminal device includes the apparatus described in the embodiment of the seventh aspect, and is configured to execute the method described in the embodiment of the first aspect. Since the method has been described in detail in the embodiment of the first aspect, its content is incorporated here and will not be repeated.

[0229] An embodiment of the present application also provides a network device, such as a gNB (base station in NR), etc.

[0230] Figure 12 is a schematic diagram of a network device according to an embodiment of the present application. As shown in Figure 12, network device 1200 may include a central processing unit (CPU) 1201 and a memory 1202; memory 1202 is coupled to CPU 1201. Memory 1202 can store various data and information processing programs, which are executed under the control of CPU 1201 to receive and send various information from terminal devices.

[0231] In some embodiments, the functions of the device described in the embodiment of the sixth aspect can be integrated into the central processing unit 1201, and the central processing unit 1201 can be configured to execute a program to implement the method described in the embodiment of the fourth, fifth or third aspect, the contents of which are incorporated herein and will not be repeated here.

[0232] In other embodiments, the device of the sixth aspect of the embodiment can be configured separately from the central processing unit 1201. For example, the device of the sixth aspect of the embodiment can be configured as a chip connected to the central processing unit 1201, and the functions of the device of the sixth aspect of the embodiment can be realized through the control of the central processing unit 1201.

[0233] In addition, as shown in FIG12 , network device 1200 may further include: a transceiver 1203 and an antenna 1204; wherein, the functions of the above components are similar to those in the prior art and are not described in detail here. It is worth noting that network device 1200 does not necessarily include all the components shown in FIG12 ; in addition, network device 1200 may also include components not shown in FIG12 , and reference may be made to the prior art for details.

[0234] An embodiment of the present application also provides a terminal device, such as a UE.

[0235] Figure 13 is a schematic diagram of a terminal device according to an embodiment of the present application. As shown in Figure 13 , terminal device 1300 may include a processor 1301 and a memory 1302. Memory 1302 stores data and programs and is coupled to processor 1301. It should be noted that this diagram is exemplary; other types of structures may be used to supplement or replace this structure to implement telecommunication or other functions.

[0236] In some embodiments, the functions of the apparatus of the embodiment of the seventh aspect may be integrated into the processor 1301, wherein the processor 1301 may be configured to execute a program to implement the method described in the embodiment of the first aspect, the contents of which are incorporated herein and will not be repeated here.

[0237] In other embodiments, the apparatus of the embodiment of the seventh aspect may be configured separately from the processor 1301. For example, the apparatus of the embodiment of the seventh aspect may be configured as a chip connected to the processor 1301, and the functions of the apparatus of the embodiment of the seventh aspect may be realized through the control of the processor 1301.

[0238] As shown in Figure 13 , the terminal device 1300 may further include: a communication module 1303, an input unit 1304, a display 1305, and a power supply 1306. The functions of these components are similar to those in the prior art and are not described in detail here. It is worth noting that the terminal device 1300 does not necessarily include all of the components shown in Figure 13 , and these components are not essential. Furthermore, the terminal device 1300 may also include components not shown in Figure 13 , for which reference may be made to related art.

[0239] An embodiment of the present application further provides a computer program, wherein when the program is executed in a terminal device, the program causes the terminal device to execute the method described in the embodiment of the first aspect.

[0240] An embodiment of the present application further provides a storage medium storing a computer program, wherein the computer program enables a terminal device to execute the method described in the embodiment of the first aspect.

[0241] An embodiment of the present application further provides a computer program, wherein when the program is executed in a network device, the program causes the network device to execute the method described in the embodiment of the third, fourth, or fifth aspect.

[0242] An embodiment of the present application further provides a storage medium storing a computer program, wherein the computer program enables a network device to execute the method described in the embodiment of the third, fourth, or fifth aspect.

[0243] The above devices and methods of the present application can be implemented by hardware or by a combination of hardware and software. The present application relates to such a computer-readable program that, when executed by a logic component, enables the logic component to implement the devices or components described above, or enables the logic component to implement the various methods or steps described above. The present application also relates to a storage medium for storing the above program, such as a hard disk, a magnetic disk, an optical disk, a DVD, a flash memory, etc.

[0244] The method / device described in conjunction with the embodiments of the present application can be directly embodied as hardware, a software module executed by a processor, or a combination of the two. For example, one or more of the functional block diagrams shown in the figure and / or one or more combinations of functional block diagrams can correspond to various software modules of the computer program flow or to various hardware modules. These software modules can respectively correspond to the various steps shown in the figure. These hardware modules can be implemented by solidifying these software modules, for example, using a field programmable gate array (FPGA).

[0245] The software module may be located in RAM memory, flash memory, ROM memory, EPROM memory, EEPROM memory, registers, a hard disk, a removable disk, a CD-ROM, or any other form of storage medium known in the art. A storage medium may be coupled to a processor so that the processor can read information from the storage medium and write information to the storage medium; or the storage medium may be an integral part of the processor. The processor and the storage medium may be located in an ASIC. The software module may be stored in the memory of the mobile terminal or in a memory card that can be inserted into the mobile terminal. For example, if the device (such as a mobile terminal) uses a large-capacity MEGA-SIM card or a large-capacity flash memory device, the software module may be stored in the MEGA-SIM card or the large-capacity flash memory device.

[0246] One or more of the functional blocks and / or one or more combinations of functional blocks described in the accompanying drawings may be implemented as a general-purpose processor, a digital signal processor (DSP), an application-specific integrated circuit (ASIC), a field-programmable gate array (FPGA) or other programmable logic device, a discrete gate or transistor logic device, a discrete hardware component, or any appropriate combination thereof for performing the functions described in this application. One or more of the functional blocks and / or one or more combinations of functional blocks described in the accompanying drawings may also be implemented as a combination of computing devices, such as a combination of a DSP and a microprocessor, multiple microprocessors, one or more microprocessors in communication with a DSP, or any other such configuration.

[0247] The present application has been described above in conjunction with specific embodiments, but it should be clear to those skilled in the art that these descriptions are exemplary and do not limit the scope of protection of the present application. Those skilled in the art may make various variations and modifications to the present application based on the spirit and principles of the present application, and such variations and modifications are also within the scope of the present application. With respect to the embodiments including the above embodiments, the following supplementary notes are also disclosed:

[0248] 1. An information processing method, applied to a terminal device, characterized in that the method comprises:

[0249] The terminal device receives the discovery reference signal sent by the network side device;

[0250] The terminal device performs downlink reception of the first cell reference signal or determines a measurement result of the first cell according to the discovery reference signal;

[0251] The discovery reference signal is a synchronization reference signal (SS) included in the first synchronization signal block of the first cell.

[0252] 2. The method according to Supplement 1, wherein the method further comprises:

[0253] When the terminal device cannot successfully receive the first synchronization signal block of the first cell sent by the network side device or cannot successfully receive the PBCH of the first synchronization signal block, the terminal device performs downlink reception of the first cell reference signal or determines the measurement result of the first cell based on the discovery reference signal.

[0254] 3. The method according to Note 1 or 2, wherein the first synchronization signal block of the first cell and the discovery reference signal are in a QCL relationship.

[0255] 4. The method according to any one of Notes 1 to 3, wherein the first synchronization signal block having a quasi-co-location relationship and the discovery reference signal have the same index.

[0256] 5. The method according to any one of Notes 1 to 4, wherein the method further comprises:

[0257] The terminal device receives a first indication message sent by a network side device, and the first indication message is used to indicate to stop sending the first synchronization signal block of the first cell that should be sent, or to indicate to stop sending the physical broadcast channel (PBCH) of the master information block (MIB) carried by the first synchronization signal block that should be sent.

[0258] 6. The method according to Note 5, wherein the first indication information is also used to indicate the index of the first synchronization signal block that should be sent and stopped from being sent, or the index of the first synchronization signal block of the PBCH carrying the MIB that should be sent and stopped from being sent.

[0259] 7. The method according to any one of Notes 1 to 6, wherein the method further comprises:

[0260] The terminal device receives second indication information sent by the network side device, and the second indication information is used to instruct the terminal device to downlink receive the first cell reference signal or determine the measurement result of the first cell through the discovery reference signal, or to indicate that the first synchronization signal block and the discovery reference signal are in a quasi-co-location relationship.

[0261] 8. The method according to any one of Notes 1 to 7, wherein the first cell is a special cell (SpCell) of the terminal device when it is in a connected state, or a cell selected or reselected by the terminal device when it is in an idle or deactivated state.

[0262] 9. The method according to any one of Notes 5 to 7, wherein:

[0263] The terminal device receives the first indication information and / or the second indication information sent by the network device to which the first cell belongs; or,

[0264] The terminal device receives the first indication information and / or the second indication information forwarded by a neighboring network device of the network device to which the first cell belongs.

[0265] 10. A method according to any one of Notes 7 to 9, wherein the second indication information also includes configuration information of the discovery reference signal, and the configuration information of the discovery reference signal includes at least one of the center frequency of the discovery reference signal, the subcarrier spacing, the transmission period, and the index of the reference signal sent within one transmission period.

[0266] 11. The method according to Note 10, wherein the configuration information of the discovery reference signal also includes a synchronization timing offset between the first cell and the second cell or the neighboring cell.

[0267] 12. The method according to any one of Notes 1 to 11, wherein the terminal device determines the measurement result of the first cell according to the discovery reference signal, comprising:

[0268] The terminal device performs random access, SSB-based radio link monitoring (RLM), SSB-based beam failure detection (BFD), SSB-based radio resource management (RRM) measurement, cell selection and / or reselection measurement in the first cell based on the measurement result of the discovery reference signal.

[0269] 13. The method according to any one of Notes 1 to 11, wherein the terminal device downlink receives the first cell reference signal according to the discovery reference signal, comprising:

[0270] The terminal device performs downlink reception of the CSI-RS that is in a quasi-co-location relationship with the first synchronization signal block based on the discovery reference signal.

[0271] 14. The method according to Supplement 13, wherein:

[0272] When the terminal device receives the CSI-RS that is in a quasi-co-location relationship with the first synchronization signal block, it uses the downlink reception parameters of receiving the discovery reference signal as the downlink reception parameters of receiving the CSI-RS that is in a quasi-co-location relationship with the first synchronization signal block.

[0273] 15. The method according to Supplement 13, wherein:

[0274] The terminal device determines that the quasi-co-location relationship between the CSI-RS and the synchronization signal block of the first cell is the same as the quasi-co-location relationship between the CSI-RS and the discovery reference signal, and receives the CSI-RS according to the downlink reception parameters for receiving the discovery reference signal.

[0275] 16. A terminal device comprising a memory and a processor, wherein the memory stores a computer program, and the processor is configured to execute the computer program to implement the method as described in any one of Notes 1 to 15.

[0276] 17. A communication system comprising the terminal device described in Note 16.

[0277] Network side

[0278] 1. A method for sending and receiving information, applied to a first network device belonging to a first cell, characterized in that the method comprises:

[0279] The first network device stops sending a physical broadcast channel (PBCH) carrying a master information block (MIB) of a first synchronization signal block of a first cell that should have been sent to the terminal device, or stops sending the first synchronization signal block of the first cell that should have been sent to the terminal device; the first network device sends a discovery reference signal to the terminal device;

[0280] The discovery reference signal is a synchronization reference signal (SS) included in the first synchronization signal block of the first cell.

[0281] 2. The method according to Note 1, wherein the first synchronization signal block of the first cell and the discovery reference signal are in a QCL relationship.

[0282] 3. The method according to Note 1 or 2, wherein the first synchronization signal block having a quasi-co-location relationship and the discovery reference signal have the same index.

[0283] 4. The method according to any one of Notes 1 to 3, wherein the method further comprises:

[0284] The first network device sends a first indication message to the terminal device, and the first indication message is used to indicate to stop sending the first synchronization signal block of the first cell that should be sent, or to indicate to stop sending the master information block (MIB) and physical broadcast channel (PBCH) of the first synchronization signal block that should be sent.

[0285] 5. The method according to Note 4, wherein the first indication information is also used to indicate the index of the first synchronization signal block that should be sent and stopped from being sent, or the index of the first synchronization signal block of the MIB and PBCH that should be sent and stopped from being sent.

[0286] 6. The method according to any one of Notes 1 to 5, wherein the method further comprises:

[0287] The first network device sends second indication information to the terminal device, and the second indication information is used to instruct the terminal device to downlink receive the first cell reference signal or determine the measurement result of the first cell through the discovery reference signal, or to indicate that the first synchronization signal block and the discovery reference signal are in a quasi-co-location relationship.

[0288] 7. The method according to any one of Notes 1 to 6, wherein the first cell is a special cell (SpCell) when the terminal device is in a connected state, or a cell selected or reselected when the terminal device is in an idle or deactivated state.

[0289] 8. The method according to any one of Notes 5 to 7, wherein the first indication information and / or the second indication information is carried by the system information of the first cell, the system information of the second cell or a dedicated RRC message.

[0290] 9. The method according to Note 8, wherein the system information of the first cell is included in the system information of the second cell.

[0291] 10. A method according to any one of Notes 6 to 9, wherein the second indication information also includes configuration information of the discovery reference signal, and the configuration information of the discovery reference signal includes at least one of the center frequency of the discovery reference signal, the subcarrier spacing, the transmission period, and the index of the reference signal sent within a transmission period.

[0292] 11. The method according to Note 10, wherein the configuration information of the discovery reference signal also includes the synchronization timing offset between the first cell and the second cell.

[0293] 12. A network device, comprising a memory storing a computer program, wherein the processor is configured to execute the computer program to implement the method as described in any one of Notes 1 to 11.

[0294] 13. A communication system comprising the network device described in Note 12.

[0295] Xn interface

[0296] 1. A method for sending and receiving information, applied to a first network device belonging to a first cell, characterized in that the method comprises:

[0297] The first network device sends third indication information to the second network device, where the third indication information is used to instruct the first network device to stop or resume sending the first synchronization signal block of the first cell that should have been sent, or to instruct the first network device to stop or resume sending the physical broadcast channel (PBCH) carrying the master information block (MIB) of the first synchronization signal block that should have been sent.

[0298] 2. The method according to Supplement 1, wherein the method further comprises:

[0299] The first network device sends fourth indication information to the second network device, and the fourth indication information is used to indicate the second cell corresponding to the first cell, or to indicate that the first synchronization signal block of the first cell and the second synchronization signal block of the second cell are in a quasi-co-location relationship, so that the terminal device can downlink receive the reference signal of the first cell through the reference signal of the second cell or determine the measurement result of the first cell.

[0300] 3. The method according to Supplementary Note 1, wherein the method further comprises:

[0301] The first network device sends fifth indication information to the second network device, where the fifth indication information is used to instruct the terminal device to support downlink reception of the first cell reference signal or determine the measurement result of the first cell through the discovery reference signal, or to indicate that the first synchronization signal block and the discovery reference signal are in a quasi-co-location relationship.

[0302] 4. The method according to Note 3, wherein the fifth indication information also includes configuration information of the discovery reference signal, and the configuration information of the discovery reference signal includes at least one of the center frequency of the discovery reference signal, the subcarrier spacing, the transmission period, and the index of the reference signal sent within a transmission period.

[0303] 5. The method according to any one of Notes 1 to 4, wherein the first network device sends the third indication information, the fourth indication information and / or the fifth indication information to the second network device during the Xn connection establishment process, wherein the third indication information and / or the fourth indication information and / or the fifth indication information are carried by the service cell information included in the Xn Setup Request (Xn Setup Request) or Xn Setup Response (Xn Setup Response) message.

[0304] 6. The method according to any one of Notes 1 to 4, wherein:

[0305] The first network device sends the third indication information and / or the fourth indication information and / or the fifth indication information to the second network device during the NG-RAN node configuration update process, wherein the third indication information, the fourth indication information and / or the fifth indication information is carried by the serving cell information included in the NG-RAN node configuration update (NG-RAN NodeConfiguration Update) message.

[0306] 7. The method according to Note 5 or 6, wherein the third indication information, the fourth indication information and / or the fifth indication information reuse information elements in the existing service cell information domain or are newly added information elements.

[0307] 8. The method according to Supplementary Note 1, further comprising:

[0308] The first network device sends the third indication information, the fourth indication information and / or the fifth indication information to the first terminal device.

[0309] 9. The method according to Note 8, wherein the first network device carries the third indication information and / or the fourth indication information and / or the fifth indication information through the system information of the first cell or a dedicated RRC message before stopping sending the synchronization signal block and system information or stopping sending the physical broadcast channel (PBCH) carrying the master information block (MIB) and system information in the synchronization signal block.

[0310] 10. A method for sending and receiving information, applied to a second network device, characterized in that the method comprises:

[0311] The second network device receives third indication information sent by the first network device, where the third indication information is used to instruct the first network device to stop or resume sending the first synchronization signal block of the first cell that should have been sent, or to instruct the first network device to stop or resume sending the physical broadcast channel (PBCH) carrying the master information block (MIB) of the first synchronization signal block that should have been sent.

[0312] 11. The method according to Supplementary Note 10, further comprising:

[0313] The second network device receives fourth indication information sent by the first network device, and the fourth indication information is used to indicate the second cell corresponding to the first cell, or to indicate that the first synchronization signal block of the first cell and the second synchronization signal block of the second cell are in a quasi-co-location relationship, so that the terminal device performs downlink reception or determines the measurement result of the first cell through the reference signal of the second cell and the reference signal of the first cell.

[0314] 12. The method according to Supplementary Note 10, further comprising:

[0315] The second network device receives the fifth indication information sent by the first network device, and the fifth indication information is used to instruct the terminal device to support downlink reception of the first cell reference signal or determine the measurement result of the first cell through the discovery reference signal, or to indicate that the first synchronization signal block and the discovery reference signal are in a quasi-co-location relationship.

[0316] 13. The method according to Note 10 or 11, wherein the method further comprises:

[0317] The second network device sends the third indication information, the fourth indication information and / or the fifth indication information to the second terminal device.

[0318] 14. The method according to Note 13, wherein the second network device sends the third indication information and / or the fourth indication information and / or the fifth indication information through system information or a dedicated RRC message.

[0319] 15. The method according to Note 12, wherein the fifth indication information also includes configuration information of the discovery reference signal, and the configuration information of the discovery reference signal includes at least one of the center frequency of the discovery reference signal, the subcarrier spacing, the transmission period, and the index of the reference signal sent within a transmission period.

[0320] 16. A method according to any one of Notes 10 to 15, wherein the second network device receives the third indication information, the fourth indication information and / or the fifth indication information during the Xn connection establishment process, wherein the third indication information and / or the fourth indication information and / or the fifth indication information are carried by the service cell information included in the Xn Setup Request (Xn Setup Request) or Xn Setup Response (Xn Setup Response) message.

[0321] 17. The method according to any one of Notes 10 to 15, wherein:

[0322] The second network device receives the third indication information and / or the fourth indication information and / or the fifth indication information during the NG-RAN node configuration update process, wherein the third indication information, the fourth indication information and / or the fifth indication information are carried by the serving cell information included in the NG-RAN node configuration update (NG-RAN NodeConfiguration Update) message.

[0323] 18. The method according to Note 16 or 17, wherein the third indication information, the fourth indication information and / or the fifth indication information reuse information elements in the existing service cell information field or are newly added information elements.

[0324] 19. The method according to Note 15, wherein the configuration information of the discovery reference signal also includes the synchronization timing offset between the first cell and the second cell.

[0325] 20. A network device, comprising a memory storing a computer program, wherein the processor is configured to execute the computer program to implement the method as described in any one of Notes 1 to 19.

[0326] 21. A communication system comprising the network device described in Note 20.

Claims

1. An information transceiver device, applied to a first network device belonging to a first cell, characterized in that: The device comprises: A first sending unit sends third indication information to a second network device, where the third indication information is used to instruct the first network device to stop or resume sending the first synchronization signal block of the first cell that should have been sent, or to instruct the first network device to stop or resume sending the physical broadcast channel (PBCH) carrying the master information block (MIB) of the first synchronization signal block that should have been sent.

2. The device according to claim 1, wherein The first sending unit is also used to send fourth indication information to the second network device, and the fourth indication information is used to indicate the second cell corresponding to the first cell, or to indicate that the first synchronization signal block of the first cell and the second synchronization signal block of the second cell are in a quasi-co-location relationship, so that the terminal device can downlink receive the first cell reference signal through the reference signal of the second cell or determine the measurement result of the first cell.

3. The device according to claim 1, wherein The first sending unit is also used to send fifth indication information to the second network device, and the fifth indication information is used to instruct the terminal device to support downlink reception of the first cell reference signal or determine the measurement result of the first cell through the discovery reference signal, or to indicate that the first synchronization signal block and the discovery reference signal are in a quasi-co-location relationship.

4. The device according to claim 3, wherein The fifth indication information also includes configuration information of the discovery reference signal, and the configuration information of the discovery reference signal includes at least one of the center frequency of the discovery reference signal, the subcarrier spacing, the transmission period, and the index of the reference signal sent within a transmission period.

5. The device according to claim 1, wherein The first sending unit sends the third indication information, the fourth indication information and / or the fifth indication information to the second network device during the Xn connection establishment process, wherein the third indication information and / or the fourth indication information and / or the fifth indication information are carried by the serving cell information included in the Xn setup request (Xn Setup Request) or the Xn setup response (Xn Setup Response) message.

6. The device according to claim 1, wherein The first sending unit sends the third indication information and / or the fourth indication information and / or the fifth indication information to the second network device during the NG-RAN node configuration update process, wherein the third indication information, the fourth indication information and / or the fifth indication information is carried by the serving cell information included in the NG-RAN node configuration update (NG-RAN NodeConfiguration Update) message.

7. An information transceiver device, applied to a second network device, characterized in that: The device comprises: A first receiving unit receives third indication information sent by a first network device, where the third indication information is used to instruct the first network device to stop or resume sending the first synchronization signal block of the first cell that should have been sent, or to instruct the first network device to stop or resume sending the physical broadcast channel (PBCH) carrying the master information block (MIB) of the first synchronization signal block that should have been sent.

8. The device according to claim 7, wherein The device further comprises: A second sending unit is configured to send the third indication information, the fourth indication information and / or the fifth indication information to a second terminal device.

9. The device according to claim 8, wherein The second sending unit carries the third indication information and / or the fourth indication information and / or the fifth indication information through system information or a dedicated RRC message.

10. The device according to claim 7, wherein The first receiving unit also receives fourth indication information sent by the first network device, and the fourth indication information is used to indicate the second cell corresponding to the first cell, or to indicate that the first synchronization signal block of the first cell and the second synchronization signal block of the second cell are in a quasi-co-location relationship, so that the terminal device performs downlink reception or determines the measurement result of the first cell through the reference signal of the second cell and the reference signal of the first cell.

11. The device according to claim 7, wherein The first receiving unit also receives fifth indication information sent by the first network device, and the fifth indication information is used to instruct the terminal device to support downlink reception of the first cell reference signal or determine the measurement result of the first cell through the discovery reference signal, or to indicate that the first synchronization signal block and the discovery reference signal are in a quasi-co-location relationship.

12. The device according to claim 7, wherein The first receiving unit receives the third indication information, the fourth indication information and / or the fifth indication information during the Xn connection establishment process, wherein the third indication information and / or the fourth indication information and / or the fifth indication information are carried by the serving cell information included in the Xn setup request (Xn Setup Request) or the Xn setup response (Xn Setup Response) message.

13. The device according to claim 7, wherein The first receiving unit receives the third indication information and / or the fourth indication information and / or the fifth indication information during the NG-RAN node configuration update process, wherein the third indication information, the fourth indication information and / or the fifth indication information is carried by the serving cell information included in the NG-RAN node configuration update (NG-RAN NodeConfiguration Update) message.

14. An information processing device, applied to a terminal device, characterized in that: The device comprises: a second receiving unit, configured to receive a discovery reference signal sent by a network-side device; a first processing unit configured to downlink receive the first cell reference signal or determine a measurement result of the first cell according to the discovery reference signal; The discovery reference signal is a synchronization reference signal (SS) included in the first synchronization signal block of the first cell.

15. The device according to claim 14, wherein The first synchronization signal block of the first cell and the discovery reference signal are in a QCL relationship.

16. The device according to claim 14, wherein The second receiving unit also receives second indication information sent by the network side device, and the second indication information is used to instruct the terminal device to downlink receive the first cell reference signal or determine the measurement result of the first cell through the discovery reference signal, or to indicate that the first synchronization signal block and the discovery reference signal are in a quasi-co-location relationship.

17. The device according to claim 14, wherein The second indication information also includes configuration information of the discovery reference signal, and the configuration information of the discovery reference signal includes at least one of the center frequency of the discovery reference signal, the subcarrier spacing, the transmission period, and the index of the reference signal sent in one transmission period.

18. The device according to claim 14, wherein The first processing unit performs random access, SSB-based radio link monitoring (RLM), SSB-based beam failure detection (BFD), SSB-based radio resource management (RRM) measurement, cell selection and / or reselection in the first cell based on the measurement results of the discovery reference signal.

19. The device according to claim 14, wherein The first processing unit performs downlink reception of a CSI-RS that is in a quasi-co-location relationship with the first synchronization signal block according to the discovery reference signal.

20. The device according to claim 19, wherein When the first processing unit receives the CSI-RS that is in a quasi-co-site relationship with the first synchronization signal block, it uses the downlink reception parameters for receiving the discovery reference signal as the downlink reception parameters for receiving the CSI-RS that is in a quasi-co-site relationship with the first synchronization signal block; or, the first processing unit determines that the quasi-co-site relationship between the CSI-RS and the synchronization signal block of the first cell is the same as the quasi-co-site relationship between the CSI-RS and the discovery reference signal, and receives the CSI-RS based on the downlink reception parameters for receiving the discovery reference signal.

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