WO2022068797A1 - 网络接入方法、网络接入装置、终端和网络侧设备 - Google Patents

网络接入方法、网络接入装置、终端和网络侧设备 Download PDF

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Publication number
WO2022068797A1
WO2022068797A1 PCT/CN2021/121247 CN2021121247W WO2022068797A1 WO 2022068797 A1 WO2022068797 A1 WO 2022068797A1 CN 2021121247 W CN2021121247 W CN 2021121247W WO 2022068797 A1 WO2022068797 A1 WO 2022068797A1
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WIPO (PCT)
Prior art keywords
reference signal
cell
terminal
specific
sfn
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PCT/CN2021/121247
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English (en)
French (fr)
Inventor
陈力
潘学明
姜大洁
塔玛拉卡拉盖施
孙鹏
吴凯
沈晓冬
李娜
Original Assignee
维沃移动通信有限公司
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Application filed by 维沃移动通信有限公司 filed Critical 维沃移动通信有限公司
Priority to EP21874457.1A priority Critical patent/EP4213546A4/en
Publication of WO2022068797A1 publication Critical patent/WO2022068797A1/zh
Priority to US18/126,999 priority patent/US20230239767A1/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/16—Discovering, processing access restriction or access information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0011—Control or signalling for completing the hand-off for data sessions of end-to-end connection
    • H04W36/0016—Hand-off preparation specially adapted for end-to-end data sessions
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/20—Selecting an access point
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/18—Selecting a network or a communication service
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
    • H04W52/0229—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal where the received signal is a wanted signal
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • the present application belongs to the field of communication technologies, and in particular relates to a network access method, a network access device, a terminal and a network side device.
  • the purpose of the embodiments of the present application is to provide a network access method, a network access device, a terminal, and a network side device, which can solve the problem of high network overhead and terminal power consumption due to frequent terminal mobility.
  • a network access method applied to a terminal, and the method includes:
  • the reference signal includes a first reference signal, or includes a first reference signal and a second reference signal;
  • the first reference signal is a reference signal specific to the SFN, or all
  • the second reference signal is a reference signal specific to a cell or a transmission and reception point;
  • a network access device including:
  • a first receiving module configured to receive a reference signal sent by a network side device;
  • the reference signal includes a first reference signal, or includes a first reference signal and a second reference signal;
  • the first reference signal is unique to the SFN or
  • the second reference signal is a reference signal specific to a cell or a transmission and reception point;
  • An executing module configured to execute an initial access related operation based on the received reference signal.
  • a network access method applied to a network side device, and the method includes:
  • the reference signal includes a first reference signal, or includes a first reference signal and a second reference signal; the first reference signal is a reference signal specific to the SFN, or the second reference signal
  • the reference signal is a reference signal specific to a cell or a transmission and reception point.
  • a network access device including:
  • a first sending module configured to send a reference signal to the terminal;
  • the reference signal includes a first reference signal, or includes a first reference signal and a second reference signal;
  • the first reference signal is a reference signal unique to the SFN , or
  • the second reference signal is a reference signal specific to a cell or a transmission and reception point.
  • a terminal in a fifth aspect, includes a processor, a memory, and a program or instruction stored on the memory and executable on the processor, when the program or instruction is executed by the processor.
  • a network side device in a sixth aspect, includes a processor, a memory, and a program or instruction stored on the memory and executable on the processor, the program or instruction being executed by the The processor implements the steps of the method as described in the third aspect when executed.
  • a readable storage medium is provided, and a program or an instruction is stored on the readable storage medium, and when the program or instruction is executed by a processor, the steps of the method described in the first aspect, or the The steps of the method described in the third aspect.
  • a chip in an eighth aspect, includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is configured to run a program or an instruction to implement the method according to the first aspect , or implement the method described in the third aspect.
  • a computer program product is provided, stored in a non-volatile readable storage medium, the computer program product is executed by at least one processor to implement the method as described in the first aspect, or to implement the method as described in the first aspect.
  • a network access apparatus configured to execute the method of the first aspect or the method of the third aspect.
  • a technical solution is provided for the terminal to access the network based on the SFN-specific reference signal, so that the terminal can successfully access the SFN.
  • the terminal does not need to frequently perform cell selection, reselection or handover between cells within the SFN range, and the measurement frequency of the terminal is reduced, thereby reducing network overhead and terminal power consumption.
  • FIG. 1 is a block diagram of a wireless communication system to which an embodiment of the present application can be applied;
  • FIG. 2 is a flowchart of a network access method provided by an embodiment of the present application
  • Figure 3 is a schematic diagram of a dense network
  • Fig. 4 is a kind of schematic diagram of SFN
  • FIG. 5 is a structural diagram of a network access device provided by an embodiment of the present application.
  • FIG. 6 is a flowchart of another network access method provided by an embodiment of the present application.
  • FIG. 7 is a structural diagram of another network access device provided by an embodiment of the present application.
  • FIG. 8 is a structural diagram of a communication device provided by an embodiment of the present application.
  • FIG. 9 is a hardware structure diagram of a network side device provided by an embodiment of the present application.
  • FIG. 10 is a hardware structure diagram of a terminal provided by an embodiment of the present application.
  • first, second and the like in the description and claims of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It is to be understood that the data so used are interchangeable under appropriate circumstances so that the embodiments of the present application can be practiced in sequences other than those illustrated or described herein, and "first”, “second” distinguishes Usually it is a class, and the number of objects is not limited.
  • the first object may be one or multiple.
  • “and/or” in the description and claims indicates at least one of the connected objects, and the character “/" generally indicates that the contextual objects are in an "or” relationship.
  • LTE Long Term Evolution
  • LTE-Advanced LTE-Advanced
  • LTE-A Long Term Evolution
  • CDMA Code Division Multiple Access
  • TDMA Time Division Multiple Access
  • FDMA Frequency Division Multiple Access
  • OFDMA Orthogonal Frequency Division Multiple Access
  • SC-FDMA Single-carrier Frequency-Division Multiple Access
  • system and “network” in the embodiments of the present application are often used interchangeably, and the described technology can be used not only for the above-mentioned systems and radio technologies, but also for other systems and radio technologies.
  • NR New Radio
  • NR terminology is used in most of the following description, although these techniques are also applicable to applications other than NR system applications, such as 6th generation ( 6th Generation, 6G) communication system.
  • FIG. 1 shows a block diagram of a wireless communication system to which the embodiments of the present application can be applied.
  • the wireless communication system includes a terminal 11 and a network-side device 12 .
  • the terminal 11 may also be called a terminal device or a user terminal (User Equipment, UE), and the terminal 11 may be a mobile phone, a tablet computer (Tablet Personal Computer), a laptop computer (Laptop Computer) or a notebook computer, a personal digital computer Assistant (Personal Digital Assistant, PDA), handheld computer, netbook, ultra-mobile personal computer (ultra-mobile personal computer, UMPC), mobile Internet device (Mobile Internet Device, MID), wearable device (Wearable Device) or vehicle-mounted device (VUE), pedestrian terminal (PUE) and other terminal-side devices, wearable devices include: bracelets, headphones, glasses, etc.
  • PDA Personal Digital Assistant
  • the network side device 12 may be a base station or a core network, wherein the base station may be referred to as a Node B, an evolved Node B, an access point, a Base Transceiver Station (BTS), a radio base station, a radio transceiver, a basic service Set (Basic Service Set, BSS), Extended Service Set (Extended Service Set, ESS), Node B, Evolved Node B (eNB), Home Node B, Home Evolved Node B, WLAN Access Point, WiFi Node, Send Transmitting Receiving Point (TRP) or some other suitable term in the field, as long as the same technical effect is achieved, the base station is not limited to specific technical terms.
  • the base station in the NR system is taken as an example, but the specific type of the base station is not limited.
  • FIG. 2 is a flowchart of a network access method provided by an embodiment of the present application. As shown in FIG. 2 , the network access method, applied to a terminal, includes the following steps:
  • Step 201 Receive a reference signal sent by a network-side device;
  • the reference signal includes a first reference signal, or includes a first reference signal and a second reference signal;
  • the first reference signal is a SFN-specific reference signal, or, all
  • the second reference signal is a reference signal specific to a cell or a transmission and reception point;
  • Step 202 Based on the received reference signal, perform initial access related operations.
  • Figure 3 shows a schematic diagram of a terminal moving in a dense network.
  • a low frequency (eg FR1) cell has a larger coverage than a high frequency (eg FR2) cell.
  • FR2 cell When a terminal moves within the FR1 coverage, the FR2 cell may be continuously replaced, but the FR1 cell is not replaced.
  • a terminal When a terminal initially activates an FR2 cell or switches an FR2 cell, it needs to continuously measure the signal quality of each beam. Due to the large number of beams, it will lead to an excessively long cell activation time or cell switching time. For example, when certain conditions are met, the measurement time can reach the level of seconds, as follows:
  • the network During the movement of the terminal in the idle state or inactive state, the network provides the priority of each frequency point.
  • the measurement evaluation value of the target (or neighbor) cell (calculated according to the measurement result of the target (or neighbor) cell after adding the offset) is higher than the measurement evaluation value of the serving cell (according to the measurement value of the serving cell)
  • the result is calculated after adding the offset), and it lasts for a period of time (eg, the duration configured by the network), and the terminal resides in the current serving cell for more than a period of time (eg, 1s as agreed in the protocol), then the terminal reselection to the target (or neighbor) cell.
  • inter-frequency that is, inter-frequency
  • inter-technology that is, inter-RAT
  • inter-frequency inter-frequency
  • inter-RAT different technology
  • inter-frequency ie inter-frequency
  • ie inter-RAT different technology
  • the terminal in the idle state or in the inactive state triggers the connection establishment process by receiving the paging message sent by the network side device, so as to send and receive data.
  • cell free or SFN will be the main deployment in dense network or high-speed scenarios.
  • multiple cells or multiple transmission points can send the same signal, there is no co-channel interference between different cells, and multiple signals can improve the Signal to Interference plus Noise Ratio (SINR) , transmission quality and coverage effect.
  • SINR Signal to Interference plus Noise Ratio
  • Multiple cells constituting an SFN can share the same cell identifier (cell ID), that is, the ID of a super cell (super cell).
  • Multiple cells can transmit signals by means of SFN transmission. For example, multiple cells transmit with wide beams, and a terminal can receive the wide beams sent by multiple cells at a certain moment, thereby obtaining diversity gain.
  • the terminal does not need to frequently perform cell reselection or handover between cells.
  • the terminal does not need to frequently perform handover in the connected mode between cells, nor does it need to perform handover between cells.
  • Cell selection and reselection (cell selection/reselection) in idle mode or inactive mode are frequently performed.
  • Figure 4 shows an SFN super cell consisting of 7 cells.
  • the terminal uses the following basic procedures for network access (or system access): First, the terminal performs an initial network search, which includes the reception of reference signals, and completes cell selection or reselection according to the measurement of the reference signals, and then relocates. to the corresponding area. Secondly, receive the broadcast system information (System Information, SI), which includes the information required to access the system. Finally, random access is performed according to the obtained information required for system access, so as to realize the radio resource control (Radio Resource Control, RRC) connection to the network side device.
  • SI System Information
  • RRC Radio Resource Control
  • the terminal does not need to perform cell selection, reselection or handover frequently between cells, but if the terminal still accesses the network according to the existing network access method, the terminal still needs to be within the range of SFN.
  • Cell-specific reference signals are received between cells or transmission and reception points. In this way, the terminal still needs to perform more measurements, and there is still a large network overhead and high terminal power consumption.
  • the reference signal sent by the network side device to the terminal includes at least a first reference signal, and the first reference signal is a reference signal unique to SFN , within the SFN range, the related configuration of the reference signal of each cell is the same as the related configuration of the first reference signal.
  • the terminal moves between different cells or transmission and reception points within the SFN range, it no longer needs to receive cell-specific reference signals, thereby reducing the frequency of terminal measurement, network overhead and terminal power consumption.
  • the reference signal sent by the network side device to the terminal may also include a second reference signal, that is, a reference signal specific to a cell or a transmission and reception point.
  • the above cell or transmission and reception point refers to a cell or transmission and reception point within the range of the SFN or super cell.
  • SFN-specific SFN/super cell specific
  • the related configurations corresponding to each SFN or super cell are independent, and the configurations within the SFN range or the super cell range are the same.
  • Cell or TRP specific that is, the related configuration corresponding to each cell or TRP is independent, and the configurations within the cell or TRP are the same.
  • the terminal in an idle state or an inactive state, can receive the reference signal sent by the network side device, and after the terminal receives the reference signal sent by the network side device, the terminal can perform initial access related operations based on the reference signal , and the related technical solutions of the initial access related operations will be described later.
  • a technical solution for the terminal to access the network based on the SFN-specific reference signal is provided, so that the terminal can successfully access the SFN, because the terminal does not need to frequently travel between cells within the SFN range.
  • Cell selection or reselection or handover can be performed in a timely manner, so that the measurement frequency of the terminal can be reduced, which can reduce network overhead and terminal power consumption, and is suitable for dense networks or high-speed scenarios.
  • the successful access to the network in this application includes camping on a corresponding cell through cell selection or reselection (ie, idle state or inactive state), or establishing a connection to a network-side device through an RRC connection (ie, an RRC connection). RRC connected state).
  • the reference signal includes a synchronization signal block (Synchronization Signal Block, SSB), a CSI reference signal (CSI Reference Signal, CSI-RS), a cell-specific reference signal (Cell-specific Reference Signals, CRS), a sounding reference signal At least one of (Sounding Reference Signal, SRS) and demodulation reference signal (Demodulation Reference Signal, DMRS).
  • SSB Synchronization Signal Block
  • CSI-RS CSI Reference Signal
  • CRS Cell-specific Reference Signals
  • SRS Sounding Reference Signal
  • DMRS demodulation Reference Signal
  • the reference signal may include the cell/TRP specific SSB and the SFN specific SSB, or only the SFN specific SSB.
  • the related configuration of the SSB of each cell/TRP is independent
  • the related configuration of the SSB of all cells/TRPs within the SFN range is the same.
  • the related configuration of the SSB may include an SSB sequence (sequence), an SSB index (index), an SS/PBCH block measurement timing configuration (SS/PBCH block Measurement Timing Configuration, SMTC), and the like.
  • the performing an initial access related operation based on the received reference signal includes at least one of the following:
  • the system information may include a master information block (Master Information Block, MIB) and a system information block (System Information Block, SIB).
  • MIB Master Information Block
  • SIB System Information Block
  • the advance indication information may include a wake-up signal (Wake-up signaling, WUS), a sleep signal (Go-to-sleep signaling, GTS), and downlink control information scrambled by energy-saving PS-RNTI (DCI with CRC scrambled by PS-RNTI, DCP) ) signal, paging indication (paging indication) and other messages.
  • WUS wake-up signaling
  • GTS Go-to-sleep signaling
  • DCI with CRC scrambled by PS-RNTI, DCP) downlink control information scrambled by energy-saving PS-RNTI
  • paging indication paging indication
  • the random access is a random access channel (Random Access Channel, RACH).
  • RACH Random Access Channel
  • the terminal when the terminal receives a paging message (paging) sent by the network side device, it can be understood that the terminal monitors the paging message sent by the network side device.
  • the terminal receives the advance indication information sent by the network side device, it can be understood that the terminal monitors the advance instruction information sent by the network side device.
  • the performing cell selection or reselection includes:
  • the terminal camps on the first cell or the second cell; the first cell is a cell specific to the SFN, or the second cell is a cell or a cell specific to the transmission and reception point, or Transmission receiving point.
  • the terminal can measure the reference signal in the idle state or the inactive state.
  • the terminal can measure the cell/TRP specific SSB and the SFN specific SSB, or only measure the SFN specific SSB. Perform cell selection or reselection according to the measurement result, and camp on the cell selected or reselected by the terminal according to the cell selection or reselection result.
  • the measurement result may include at least one of the following: Reference Signal Received Power (RSRP), Reference Signal Received Quality (RSRQ), SINR, Block Error Rate (Block Error Rate, BLER), Received Signal Strength Indication (RSSI).
  • RSRP Reference Signal Received Power
  • RSRQ Reference Signal Received Quality
  • SINR Block Error Rate
  • BLER Block Error Rate
  • RSSI Received Signal Strength Indication
  • the cell where the terminal resides may be a cell specific to the SFN, or may be a cell or a specific cell or a transmission and reception point.
  • the cell or the transmission reception point unique to the cell or the transmission reception point may be either a cell specific cell, a cell specific transmission reception point, a cell specific to the transmission reception point, or a transmission reception point specific cell.
  • the transmission and reception point is not limited in this application.
  • the terminal receives the system information sent by the network side device at the level where it resides; or,
  • the terminal receives the paging message sent by the network side device at the level where it resides; or,
  • the terminal receives the advance indication information sent by the network side device at the level where it resides; or,
  • the terminal initiates random access to the network side device at the level where it resides;
  • the level where the terminal camps is the first level; or, if the terminal camps on the second cell, the level where the terminal camps on is the first level;
  • the level is the second level; wherein, the first level is the SFN level, and the second level is the cell level or the transmission and reception point level.
  • the terminal after the terminal performs cell camping, it may perform reception of relevant information and initiation of random access at the camping level.
  • the terminal can perform at least one of the following operations:
  • Paging messages are received at the SFN level.
  • Random access is initiated at the SFN level.
  • the terminal may perform at least one of the following operations:
  • Paging messages are received at the cell level or at the transmission reception point level.
  • Random access is initiated at the cell level or at the transmission reception point level.
  • SFN is the scope of a Super cell, which includes several cells or TRPs, usually called SFN super cell as SFN layer.
  • the cell corresponding to the Super cell or the SFN layer is a specific cell of the SFN; and several cells or TRPs included in the SFN range are the cell/TRP layer.
  • the cell/TRP corresponding to this layer is a specific cell or TRP of the cell/TRP.
  • the reference signal RS, system message SI, paging message Paging, etc. on the SFN layer are all called SFN-specific RS, SI, paging, etc.
  • the reference signal RS, system message SI, paging message Paging, etc. in the cell/TRP layer are all called cell/TRP-specific RS, SI, paging, etc.
  • the method further includes:
  • a third reference signal sent by the network side device is received, where the third reference signal is a reference signal specific to a cell or a transmission and reception point.
  • the third reference signal may be the same as or different from the second reference signal.
  • the terminal may also receive a reference signal specific to a cell or a transmission and reception point sent by the network side device.
  • the successful access of the terminal to the network may include successful connection in the connected state, and may also include successful residency in the idle state or inactive state.
  • the terminal receiving the reference signal sent by the network side device may include the following situations:
  • the terminal can receive the first reference signal sent by the network side device, and after successfully accessing the network, the terminal can also receive the third reference signal sent by the network side device.
  • the terminal before performing initial access-related operations, can receive the first reference signal, or the first reference signal and the second reference signal sent by the network-side device, and after successfully accessing the network, the terminal can also receive the network-side device. the transmitted third reference signal. That is to say, before the initial access-related operation, even if the terminal has received the SFN-specific reference signal, or the SFN-specific reference signal and the cell or transmission and reception point-specific reference signal, after cell selection or reselection, the terminal still Reference signals specific to the cell or transmission reception point may be received.
  • the third reference signal may be, for example, a cell/TRP specific SSB, and certainly may be other reference signals, such as various reference signals such as CSI-RS, CRS, SRS, and DMRS.
  • the third reference signal is sent through an SFN-specific system message, or through a cell or a transmission-reception point-specific system message, or through dedicated RRC information, or through message 2 or message in the random access process.
  • the dedicated RRC information may be RRC indication information (RRC dedicated signaling), such as RRC configuration/reconfiguration with sync/HO command, etc.
  • At least one of the paging message and the system message is specific to the SFN.
  • both the paging message and the system message may be cell or TRP specific, ie, the paging message is cell or TRP specific, and the system message is also cell or TRP specific.
  • the paging message and the system message are unique to SFN; or,
  • the paging message is unique to the SFN, and the system message is unique to the cell or the transmission and reception point; or,
  • the paging message is specific to the cell or the transmission and reception point, and the system message is specific to the SFN; or,
  • the paging messages include SFN-specific paging messages and cell- or transmission-receiving-point-specific paging messages; or,
  • the system messages include SFN-specific system messages and cell- or transmission-reception-point-specific system messages.
  • the initiating random access to the network side device includes:
  • the terminal When the system message indicates that there are random access resources specific to the SFN, the terminal initiates random access to the network side device by using the random access resources.
  • the terminal may use the random access resource specific to the cell or the transmission and reception point to perform RACH access.
  • the above random access resources can be understood as initial access resources, which can include at least one of the following:
  • SMTC that is, there are multiple SMTC configurations
  • Search space such as common search space, that is, the configuration of multiple search spaces
  • Control resource set (Control resource set, CORESET), such as coreset#0, that is, there are multiple CORESET configurations;
  • BWP Bandwidth Part
  • initial BWP including DL initial BWP and/or UL initial BWP, that is, a configuration with multiple initial BWPs
  • a reference signal (Reference Signal, RS), that is, a configuration with multiple reference signals.
  • the resources of the first reference signal and the resources of the second reference signal are independent of each other; or,
  • the resources of the first reference signal are a subset of the resources of the second reference signal.
  • the resources of the SFN specific SSB can be independent of the resources of the cell/TRP Specific SSB within the SFN range, and the resources of the SFN specific SSB can also be a subset of the Cell/TRP specific SSB within the SFN range, such as using a certain Cell/TRP SSB index as SFN SSB index.
  • the first reference signal and the second reference signal have at least one of the following relationships:
  • the first reference signal and the second reference signal are respectively mapped on different time domain resources
  • the first reference signal and the second reference signal are respectively mapped on different code domain resources
  • the first reference signal and the second reference signal are respectively mapped on different frequency domain resources.
  • the first reference signal and the second reference signal may be mapped on different time-domain resources, respectively, using Time Division Multiplexing (TDM), for example, the first reference signal and the second reference signal use different SMTC.
  • TDM Time Division Multiplexing
  • the first reference signal and the second reference signal can also be mapped on different code domain resources, that is, code division multiplexing (Code Division Multiplexing, CDM).
  • CDM Code Division Multiplexing
  • the first reference signal and the second reference signal use different sequences. number (Sequence).
  • the first reference signal and the second reference signal can also be mapped on different frequency domain resources, that is, frequency division multiplexing (Frequency Division Multiplex, FDM).
  • FDM frequency division multiplex
  • the first reference signal and the second reference signal use different synchronization grids (SyncRaster or sync raster).
  • the terminal identifies the first reference by at least one of a reference signal identifier, a physical cell identifier (Physical Cell Identifier, PCI), frequency domain configuration information, time domain configuration information, and code domain configuration information Signal.
  • a reference signal identifier Physical Cell Identifier, PCI
  • PCI Physical Cell Identifier
  • frequency domain configuration information time domain configuration information
  • code domain configuration information Signal code domain configuration information Signal
  • the first reference signal Take the first reference signal as the SFN specific SSB and the second reference signal as the cell/TRP specific SSB as an example:
  • the SFN specific SSB and the cell/TRP specific SSB can use different SSB IDs, so the terminal can identify the SFN specific SSB by the SSB ID;
  • SFN specific SSB and cell/TRP specific SSB can also use different PCIs, so terminals can also identify SFN specific SSBs through PCI;
  • the terminal can also identify the SFN specific SSB through the frequency domain configuration information;
  • the SFN specific SSB and the cell/TRP specific SSB can also use different time domain configurations, such as different SMTCs. Therefore, the terminal can also identify the SFN specific SSB through the time domain configuration information;
  • the SFN specific SSB and the cell/TRP specific SSB can also use different code domains, such as different sequences. Therefore, the terminal can also identify the SFN specific SSB through the code domain configuration information.
  • the first physical cell identifier is the same as the second physical cell identifier; or,
  • the first physical cell identifier and the second physical cell identifier are independent of each other, and at least one of the first physical cell identifier and the second physical cell identifier is used to identify the location where the terminal is located. cell or transmission reception point;
  • the first physical cell identifier is a specific physical cell identifier of the SFN
  • the second physical cell identifier is a cell or a specific cell of a transmission and reception point or a physical cell identifier of a transmission and reception point.
  • the first physical cell identifier and the second physical cell identifier are physical cell identifiers corresponding to the first reference signal and the second reference signal, respectively.
  • the first physical cell identifier can also be understood as the PCI ID corresponding to the SFN layer, and the SFN layer PCI ID can be the same as the current Cell/TRP PCI ID, or can be different from the current Cell/TRP PCI ID.
  • the terminal can use the SFN layer PCI ID and cell/TRP PCI ID to determine the cell/TRP range where the terminal is located, which can be applied to measurement, handover, cell selection or reselection, RRC connection establishment, RRC connection reestablishment, Inactive state recovery (resume) and other operations.
  • the first physical cell identifier is sent to the terminal by the network side device through a system message.
  • the first physical cell identifier is different from the second physical cell identifier
  • the first physical cell identifier and the second physical cell identifier are the same or different.
  • the same frequency may refer to the same frequency point or the same frequency band or the same carrier, and different frequencies may refer to different frequency points or different frequency bands or different carriers.
  • a cell specific to SFN can be understood as a cell corresponding to the SFN layer (or super cell), and a cell specific to a cell or a transmission and reception point can be understood as a cell corresponding to the cell/TRP layer.
  • the above frequencies may be frequency bands, frequency points or carrier waves.
  • the SFN layer can use the same or different PCI ID as the cell/TRP layer.
  • the SFN-specific cells include cells in the low-frequency range, and the cells or cells specific to transmission and reception points include cells in the high-frequency range;
  • SFN-specific cells include High Altitude Platform Station (HAPS) cells or high-orbit satellite cells, and cells or transmission-reception point-specific cells include low-orbit satellite cells or cells covered by ground base stations .
  • HAPS High Altitude Platform Station
  • transmission-reception point-specific cells include low-orbit satellite cells or cells covered by ground base stations .
  • the high-frequency range may also be referred to as the high-frequency layer
  • the low-frequency range may also be referred to as the low-frequency layer.
  • the cell/TRP corresponding to the low frequency range can be regarded as an SFN or super cell
  • the cell/TRP corresponding to the high frequency range can be regarded as the cell/TRP in the SFN/super cell.
  • HAPS/satellite cells can be regarded as SFN or super cells, and low-orbit satellites within this range can be regarded as cells/TRPs within SFN/super cells, or other ordinary cells/TRPs within this range Can be used as cell/TRP in SFN/super cell.
  • the method before the receiving the paging message sent by the network side device, the method further includes at least one of the following:
  • Uplink signal Sending an uplink signal (UL signaling) to the network side device, where the uplink signal is used to indicate the identity of the terminal or the identity of the group where the terminal is located;
  • the advance indication signal includes at least one of WUS, GTS, DCP, and pre-indication
  • the advance indication signal is used to instruct the terminal to perform several subsequent Whether the paging message and/or the physical downlink control channel (PDCCH) corresponding to the paging message is received during the Discontinuous Reception (DRX) period, or used to indicate whether there is the terminal or the group in which the terminal belongs paging message.
  • PDCCH physical downlink control channel
  • the uplink signal may be, for example, a RACH or a paging indication (Paging indication), and the purpose of this message is to assist the network side device to confirm the paging range where the terminal or terminal group is located.
  • a RACH Radio Access Control
  • Paging indication a paging indication
  • the method further includes:
  • UL signaling Response UL signaling Response
  • the network side device receives the feedback of the uplink signal
  • the response message carries at least one of the advance indication signal and indication information, where the indication information is used to indicate the transmission and reception point information that receives the paging message.
  • the advance indication signal is specific to SFN, or is specific to a cell or a transmission and reception point; or,
  • the response message is specific to the SFN, or specific to the cell or the transmission and reception point.
  • the WUS message can be cell/TRP specific or SFN specific
  • the UL signaling response can be cell/TRP specific or SFN specific.
  • the above signaling process includes at least one of the following situations:
  • Step 1 The terminal sends an uplink signal to the network side device.
  • Step 2 The terminal receives the paging message sent by the network side device.
  • Step 1 The terminal receives the advance indication signal sent by the network side device.
  • Step 2 The terminal sends an uplink signal to the network side device.
  • Step 3 The terminal receives the paging message sent by the network side device.
  • Step 1 The terminal sends an uplink signal to the network side device.
  • Step 2 The terminal receives the response message sent by the network side device, and the response message can carry the advance indication signal.
  • Step 3 The terminal receives the paging message sent by the network side device.
  • the method further includes:
  • SFN-related configuration information includes at least one of SFN-specific reference signals, SFN-specific system information, SFN-specific paging messages, and SFN random access channels.
  • the above-mentioned SFN-specific reference signal may be, for example, an SFN-specific SSB.
  • the terminal obtains the configuration information related to the SFN through at least one of system broadcast, RRC dedicated message, and paging message.
  • the system broadcast can be, for example, MIB, SIB, etc.
  • the paging message can be, for example, a paging RNTI (Paging RNTI, P-RNTI) PDCCH and/or a physical downlink shared channel (Physical Downlink shared channel, PDSCH) paging message.
  • a paging RNTI Paging RNTI, P-RNTI
  • PDCCH Physical Downlink shared channel
  • PDSCH Physical Downlink shared channel
  • the network side device can notify the terminal through RRC dedicated messages, such as RRC release and suspend messages. Further, when the terminal is released from the cell/TRP specific cell or released from the SFN layer, the network side device can notify the terminal through an RRC dedicated message.
  • RRC dedicated messages such as RRC release and suspend messages.
  • the terminal regards this SFN-specific cell as a bar-barred cell, that is, the terminal is barred from accessing the SFN-specific cell.
  • the execution body may be a network access device, or a control module in the network access device for executing the network access method.
  • the network access device provided by the embodiment of the present application is described by taking the network access device executing the network access method as an example.
  • FIG. 5 is a structural diagram of a network access device provided by an embodiment of the present application. As shown in FIG. 5 , a network access device 300 includes:
  • the first receiving module 301 is configured to receive a reference signal sent by a network side device;
  • the reference signal includes a first reference signal, or includes a first reference signal and a second reference signal;
  • the first reference signal is a single frequency network SFN A unique reference signal, or, the second reference signal is a reference signal unique to a cell or a transmission and reception point;
  • the executing module 302 is configured to execute an initial access related operation based on the received reference signal.
  • the execution module 302 is used for at least one of the following:
  • the execution module 302 includes:
  • the selection sub-module is used for cell selection or reselection according to the measurement result
  • a camping submodule configured to camp on the terminal in the first cell or the second cell according to the cell selection or reselection result;
  • the first cell is a cell specific to the SFN, or the second cell is a cell or The cell or transmission reception point that is unique to the transmission reception point.
  • execution module 302 is specifically used for:
  • the level where the terminal camps is the first level; or, if the terminal camps on the second cell, the level where the terminal camps on is the first level;
  • the level is the second level; wherein, the first level is the SFN level, and the second level is the cell level or the transmission and reception point level.
  • the network access apparatus 300 further includes:
  • the second receiving module is configured to receive a third reference signal sent by the network side device after the terminal successfully accesses the network, where the third reference signal is a reference signal specific to a cell or a transmission and reception point.
  • the third reference signal is sent through an SFN-specific system message, or through a cell or transmission and reception point-specific system message, or through dedicated RRC information, or through message 2 or message in the random access process.
  • SFN-specific system message or through a cell or transmission and reception point-specific system message, or through dedicated RRC information, or through message 2 or message in the random access process.
  • At least one of the paging message and the system message is specific to the SFN.
  • the paging message and the system message are unique to SFN; or,
  • the paging message is unique to the SFN, and the system message is unique to the cell or the transmission and reception point; or,
  • the paging message is specific to the cell or the transmission and reception point, and the system message is specific to the SFN; or,
  • the paging messages include SFN-specific paging messages and cell- or transmission-receiving-point-specific paging messages; or,
  • the system messages include SFN-specific system messages and cell- or transmission-reception-point-specific system messages.
  • the execution module 302 includes:
  • a random access submodule configured to initiate random access to the network side device by the terminal using the random access resource when the system message indicates that there is a random access resource specific to the SFN.
  • the resources of the first reference signal and the resources of the second reference signal are independent of each other; or,
  • the resources of the first reference signal are a subset of the resources of the second reference signal.
  • the first reference signal and the second reference signal have at least one of the following relationships:
  • the first reference signal and the second reference signal are respectively mapped on different time domain resources
  • the first reference signal and the second reference signal are respectively mapped on different code domain resources
  • the first reference signal and the second reference signal are respectively mapped on different frequency domain resources.
  • the terminal identifies the first reference signal by at least one of a reference signal identifier, a physical cell identifier, frequency domain configuration information, time domain configuration information, and code domain configuration information.
  • the first physical cell identifier is the same as the second physical cell identifier; or,
  • the first physical cell identifier and the second physical cell identifier are independent of each other, and at least one of the first physical cell identifier and the second physical cell identifier is used to identify the location where the terminal is located. cell or transmission reception point;
  • the first physical cell identifier is a specific physical cell identifier of the SFN
  • the second physical cell identifier is a cell or a specific cell of the transmission and reception point or the physical cell identifier of the transmission and reception point.
  • the first physical cell identifier is sent to the terminal by the network side device through a system message.
  • the first physical cell identifier is different from the second physical cell identifier
  • the first physical cell identifier and the second physical cell identifier are the same or different.
  • the SFN-specific cells include cells in the low-frequency range, and the cells or cells specific to transmission and reception points include cells in the high-frequency range;
  • SFN-specific cells include high-altitude platform station cells or high-orbit satellite cells, and cells or transmission-reception point-specific cells include low-orbit satellite cells or cells covered by ground base stations.
  • the network access apparatus 300 further includes at least one of the following:
  • a sending module configured to send an uplink signal to the network side device, where the uplink signal is used to indicate the identifier of the terminal or the identifier of the group where the terminal is located;
  • a third receiving module configured to receive an advance indication signal sent by the network-side device, where the advance indication signal includes at least one of a wake-up signal WUS, a sleep signal GTS, DCP and a pre-indication, and the advance indication signal is used for Indicates whether the terminal receives a paging message and/or a PDCCH corresponding to the paging message in several subsequent discontinuous reception DRX cycles, or is used to indicate whether there is a paging message for the terminal or the group to which the terminal belongs.
  • the advance indication signal includes at least one of a wake-up signal WUS, a sleep signal GTS, DCP and a pre-indication
  • the advance indication signal is used for Indicates whether the terminal receives a paging message and/or a PDCCH corresponding to the paging message in several subsequent discontinuous reception DRX cycles, or is used to indicate whether there is a paging message for the terminal or the group to which the terminal belongs.
  • the network access apparatus 300 further includes:
  • a fourth receiving module configured to receive a response message sent by the network side device, where the response message is used to indicate at least one of the following:
  • the network side device receives the feedback of the uplink signal
  • the response message carries at least one of the advance indication signal and indication information, where the indication information is used to indicate the transmission and reception point information that receives the paging message.
  • the advance indication signal is specific to SFN, or specific to a cell or a transmission and reception point; or,
  • the response message is specific to the SFN, or specific to the cell or the transmission and reception point.
  • the reference signal includes at least one of a synchronization signal block SSB, a CSI reference signal CSI-RS, a cell reference signal CRS, a sounding reference signal SRS, and a demodulation reference signal DMRS.
  • the network access apparatus 300 further includes:
  • the acquiring module is configured to acquire SFN-related configuration information, where the SFN-related configuration information includes at least one of SFN-specific reference signals, SFN-specific system information, SFN-specific paging messages, and SFN random access channels.
  • the terminal obtains the configuration information related to the SFN through at least one of system broadcast, RRC dedicated message, and paging message.
  • the network access apparatus 300 further includes:
  • the access prohibition module is used for, if the terminal does not support SFN, the terminal regards the cell specific to the SFN as the access prohibited cell.
  • the network access device in this embodiment of the present application may be a device, or may be a component, an integrated circuit, or a chip in a terminal.
  • the device may be a mobile terminal or a non-mobile terminal.
  • the mobile terminal may include, but is not limited to, the types of terminals 11 listed above, and the non-mobile terminal may be a server, a network attached storage (NAS), a personal computer (personal computer, PC), a television ( television, TV), teller machine, or self-service machine, etc., which are not specifically limited in the embodiments of the present application.
  • the network access device in this embodiment of the present application may be a device having an operating system.
  • the operating system may be an Android (Android) operating system, an iOS operating system, or other possible operating systems, which are not specifically limited in the embodiments of the present application.
  • the network access device provided in the embodiment of the present application can implement each process implemented by the method embodiment in FIG. 2 , and achieve the same technical effect. To avoid repetition, details are not described here.
  • a technical solution for the terminal to access the network based on the SFN-specific reference signal is provided, so that the terminal can successfully access the SFN, because the terminal does not need to be within the SFN range.
  • Frequent cell selection or reselection or handover reduces the measurement frequency of the terminal, thereby reducing network overhead and terminal power consumption.
  • FIG. 6 is a flowchart of a network access method provided by an embodiment of the present application. As shown in FIG. 6 , the network access method is applied to a network side device, and the method includes the following steps:
  • Step 401 Send a reference signal to a terminal; the reference signal includes a first reference signal, or includes a first reference signal and a second reference signal; the first reference signal is a reference signal specific to the SFN, or all The second reference signal is a reference signal specific to a cell or a transmission and reception point.
  • a technical solution for sending SFN-specific reference signals to the terminal is provided, so that the terminal can perform network access based on the SFN-specific reference signal, so that the terminal can successfully access the SFN, Since the terminal does not need to frequently perform cell selection, reselection or handover between cells within the SFN range, the measurement frequency of the terminal can be reduced, thereby reducing network overhead and terminal power consumption.
  • the method further includes:
  • the level where the terminal resides is the first level; or, if the terminal resides in the second cell, the level where the terminal resides is the second level Hierarchy; wherein, the first cell is a cell specific to SFN, and the first hierarchy is an SFN hierarchy, or the second cell is a cell or a specific cell or a transmission reception point, and the second hierarchy At the cell level or at the transmission and reception point level.
  • the method further includes:
  • a third reference signal is sent to the terminal, where the third reference signal is a reference signal specific to a cell or a transmission and reception point.
  • the third reference signal is sent through an SFN-specific system message, or through a cell or transmission and reception point-specific system message, or through dedicated RRC information, or through message 2 or message in the random access process.
  • SFN-specific system message or through a cell or transmission and reception point-specific system message, or through dedicated RRC information, or through message 2 or message in the random access process.
  • At least one of the paging message and the system message is specific to the SFN.
  • the paging message and the system message are unique to SFN; or,
  • the paging message is unique to the SFN, and the system message is unique to the cell or the transmission and reception point; or,
  • the paging message is specific to the cell or the transmission and reception point, and the system message is specific to the SFN; or,
  • the paging messages include SFN-specific paging messages and cell- or transmission-receiving-point-specific paging messages; or,
  • the system messages include SFN-specific system messages and cell- or transmission-reception-point-specific system messages.
  • the resources of the first reference signal and the resources of the second reference signal are independent of each other; or,
  • the resources of the first reference signal are a subset of the resources of the second reference signal.
  • the first reference signal and the second reference signal have at least one of the following relationships:
  • the first reference signal and the second reference signal are respectively mapped on different time domain resources
  • the first reference signal and the second reference signal are respectively mapped on different code domain resources
  • the first reference signal and the second reference signal are respectively mapped on different frequency domain resources.
  • the terminal identifies the first reference signal by at least one of a reference signal identifier, a physical cell identifier, frequency domain configuration information, time domain configuration information, and code domain configuration information.
  • the first physical cell identifier is the same as the second physical cell identifier; or,
  • the first physical cell identifier and the second physical cell identifier are independent of each other, and at least one of the first physical cell identifier and the second physical cell identifier is used to identify the location where the terminal is located. cell or transmission reception point;
  • the first physical cell identifier is a specific physical cell identifier of the SFN
  • the second physical cell identifier is a cell or a specific cell of the transmission and reception point or the physical cell identifier of the transmission and reception point.
  • the first physical cell identifier is sent to the terminal by the network side device through a system message.
  • the first physical cell identifier is different from the second physical cell identifier
  • the first physical cell identifier and the second physical cell identifier are the same or different.
  • the SFN-specific cells include cells in the low-frequency range, and the cells or cells specific to transmission and reception points include cells in the high-frequency range;
  • SFN-specific cells include high-altitude platform station cells or high-orbit satellite cells, and cells or transmission-reception point-specific cells include low-orbit satellite cells or cells covered by ground base stations.
  • the method before sending the paging message to the terminal, the method further includes at least one of the following:
  • the terminal receiving an uplink signal sent by the terminal, where the uplink signal is used to indicate the identifier of the terminal or the identifier of the group where the terminal is located;
  • the advance indication signal includes at least one of a wake-up signal WUS, a sleep signal GTS, DCP and a pre-indication, and the advance indication signal is used to instruct the terminal to receive DRX discontinuously in several subsequent Whether the paging message and/or the PDCCH corresponding to the paging message is received in the period, or whether there is a paging message for the terminal or the group to which the terminal belongs.
  • the method further includes:
  • the network side device receives the feedback of the uplink signal
  • the response message carries at least one of the advance indication signal and indication information, where the indication information is used to indicate the transmission and reception point information that receives the paging message.
  • the advance indication signal is specific to SFN, or specific to a cell or a transmission and reception point; or,
  • the response message is specific to the SFN, or specific to the cell or the transmission and reception point.
  • the reference signal includes at least one of a synchronization signal block SSB, a CSI reference signal CSI-RS, a cell reference signal CRS, a sounding reference signal SRS, and a demodulation reference signal DMRS.
  • the method further includes:
  • the SFN-related configuration information includes at least one of SFN-specific reference signals, SFN-specific system information, SFN-specific paging messages, and SFN random access channels.
  • the network-side device sends the SFN-related configuration information to the terminal through at least one of system broadcast, RRC dedicated message, and paging message.
  • the method further includes:
  • the terminal If the terminal does not support SFN, the terminal is prohibited from accessing a cell specific to SFN.
  • the execution body may be a network access device, or a control module in the network access device for executing the network access method.
  • the network access device provided by the embodiment of the present application is described by taking the network access device executing the network access method as an example.
  • FIG. 7 is a structural diagram of a network access device provided by an embodiment of the present application. As shown in FIG. 7 , a network access device 500 includes:
  • the first sending module 501 is configured to send a reference signal to a terminal; the reference signal includes a first reference signal, or includes a first reference signal and a second reference signal; the first reference signal is a reference specific to the SFN signal, or, the second reference signal is a reference signal specific to a cell or a transmission and reception point.
  • the network access apparatus 500 further includes a second sending module, configured to:
  • the level where the terminal camps is the first level; or, if the terminal camps on the second cell, the level where the terminal camps on is the first level;
  • the level is the second level; wherein, the first level is the SFN level, and the second level is the cell level or the transmission and reception point level.
  • the network access apparatus 500 further includes:
  • a third sending module configured to send a third reference signal to the terminal after the terminal successfully accesses the network, where the third reference signal is a reference signal specific to a cell or a transmission and reception point.
  • the third reference signal is sent through an SFN-specific system message, or through a cell or transmission and reception point-specific system message, or through dedicated RRC information, or through message 2 or message in the random access process.
  • SFN-specific system message or through a cell or transmission and reception point-specific system message, or through dedicated RRC information, or through message 2 or message in the random access process.
  • At least one of the paging message and the system message is specific to the SFN.
  • the paging message and the system message are unique to SFN; or,
  • the paging message is unique to the SFN, and the system message is unique to the cell or the transmission and reception point; or,
  • the paging message is specific to the cell or the transmission and reception point, and the system message is specific to the SFN; or,
  • the paging messages include SFN-specific paging messages and cell- or transmission-receiving-point-specific paging messages; or,
  • the system messages include SFN-specific system messages and cell- or transmission-reception-point-specific system messages.
  • the resources of the first reference signal and the resources of the second reference signal are independent of each other; or,
  • the resources of the first reference signal are a subset of the resources of the second reference signal.
  • the first reference signal and the second reference signal have at least one of the following relationships:
  • the first reference signal and the second reference signal are respectively mapped on different time domain resources
  • the first reference signal and the second reference signal are respectively mapped on different code domain resources
  • the first reference signal and the second reference signal are respectively mapped on different frequency domain resources.
  • the terminal identifies the first reference signal by at least one of a reference signal identifier, a physical cell identifier, frequency domain configuration information, time domain configuration information, and code domain configuration information.
  • the first physical cell identifier is the same as the second physical cell identifier; or,
  • the first physical cell identifier and the second physical cell identifier are independent of each other, and at least one of the first physical cell identifier and the second physical cell identifier is used to identify the location where the terminal is located. cell or transmission reception point;
  • the first physical cell identifier is a specific physical cell identifier of the SFN
  • the second physical cell identifier is a cell or a specific cell of the transmission and reception point or the physical cell identifier of the transmission and reception point.
  • the first physical cell identifier is sent to the terminal by the network side device through a system message.
  • the first physical cell identifier is different from the second physical cell identifier
  • the first physical cell identifier and the second physical cell identifier are the same or different.
  • the SFN-specific cells include cells in the low-frequency range, and the cells or cells specific to transmission and reception points include cells in the high-frequency range;
  • SFN-specific cells include high-altitude platform station cells or high-orbit satellite cells, and cells or transmission-reception point-specific cells include low-orbit satellite cells or cells covered by ground base stations.
  • the network access apparatus 500 further includes at least one of the following:
  • a receiving module configured to receive an uplink signal sent by the terminal, where the uplink signal is used to indicate the identifier of the terminal or the identifier of the group where the terminal is located;
  • the fourth sending module is configured to send an advance instruction signal to the terminal, the advance instruction signal includes at least one of a wake-up signal WUS, a sleep signal GTS, DCP and a pre-indication, and the advance instruction signal is used to indicate that the terminal is in Whether the paging message and/or the PDCCH corresponding to the paging message is received in several subsequent discontinuous reception DRX cycles, or whether there is a paging message for indicating whether the terminal or the group to which the terminal belongs.
  • the advance instruction signal includes at least one of a wake-up signal WUS, a sleep signal GTS, DCP and a pre-indication
  • the advance instruction signal is used to indicate that the terminal is in Whether the paging message and/or the PDCCH corresponding to the paging message is received in several subsequent discontinuous reception DRX cycles, or whether there is a paging message for indicating whether the terminal or the group to which the terminal belongs.
  • the network access apparatus 500 further includes:
  • a fifth sending module configured to send a response message to the terminal after receiving the uplink signal sent by the terminal, where the response message is used to indicate at least one of the following:
  • the network side device receives the feedback of the uplink signal
  • the response message carries at least one of the advance indication signal and indication information, where the indication information is used to indicate the transmission and reception point information that receives the paging message.
  • the advance indication signal is specific to SFN, or specific to a cell or a transmission and reception point; or,
  • the response message is specific to the SFN, or specific to the cell or the transmission and reception point.
  • the reference signal includes at least one of a synchronization signal block SSB, a CSI reference signal CSI-RS, a cell reference signal CRS, a sounding reference signal SRS, and a demodulation reference signal DMRS.
  • the network access apparatus 500 further includes:
  • the sixth sending module is configured to send SFN-related configuration information to the terminal, where the SFN-related configuration information includes SFN-specific reference signals, SFN-specific system information, SFN-specific paging messages, and SFN random access channels at least one of.
  • the network-side device sends the SFN-related configuration information to the terminal through at least one of system broadcast, RRC dedicated message, and paging message.
  • the network access apparatus 500 further includes:
  • An access prohibition module configured to prohibit the terminal from accessing a cell specific to SFN if the terminal does not support SFN.
  • an embodiment of the present application further provides a communication device 600, including a processor 601, a memory 602, and a program or instruction stored in the memory 602 and running on the processor 601.
  • a communication device 600 including a processor 601, a memory 602, and a program or instruction stored in the memory 602 and running on the processor 601.
  • the communication When the device 600 is a terminal, when the program or instruction is executed by the processor 601, each process of the foregoing network access method embodiment can be implemented, and the same technical effect can be achieved.
  • the communication device 600 is a network side device, when the program or instruction is executed by the processor 601, each process of the above-mentioned network access method embodiment can be realized, and the same technical effect can be achieved. To avoid repetition, details are not repeated here.
  • FIG. 9 is a schematic diagram of a hardware structure of a terminal implementing an embodiment of the present application.
  • the terminal 1000 includes but is not limited to: a radio frequency unit 1001, a network module 1002, an audio output unit 1003, an input unit 1004, a sensor 1005, a display unit 1006, a user input unit 1007, an interface unit 1008, a memory 1009, a processor 1010 and other components .
  • the terminal 1000 may also include a power supply (such as a battery) for supplying power to various components, and the power supply may be logically connected to the processor 1010 through a power management system, so as to manage charging, discharging, and power consumption through the power management system management and other functions.
  • a power supply such as a battery
  • the terminal structure shown in FIG. 9 does not constitute a limitation on the terminal, and the terminal may include more or less components than shown, or combine some components, or arrange different components, which will not be repeated here.
  • the input unit 1004 may include a graphics processor (Graphics Processing Unit, GPU) 10041 and a microphone 10042. Such as camera) to obtain still pictures or video image data for processing.
  • the display unit 1006 may include a display panel 10061, which may be configured in the form of a liquid crystal display, an organic light emitting diode, or the like.
  • the user input unit 1007 includes a touch panel 10071 and other input devices 10072 .
  • the touch panel 10071 is also called a touch screen.
  • the touch panel 10071 may include two parts, a touch detection device and a touch controller.
  • Other input devices 10072 may include, but are not limited to, physical keyboards, function keys (such as volume control keys, switch keys, etc.), trackballs, mice, and joysticks, which will not be repeated here.
  • the radio frequency unit 1001 receives the downlink data from the network side device, and then processes it to the processor 1010; in addition, sends the uplink data to the network side device.
  • the radio frequency unit 1001 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like.
  • Memory 1009 may be used to store software programs or instructions as well as various data.
  • the memory 1009 may mainly include a stored program or instruction area and a storage data area, wherein the stored program or instruction area may store an operating system, an application program or instruction required for at least one function (such as a sound playback function, an image playback function, etc.) and the like.
  • the memory 1009 may include a high-speed random access memory, and may also include a non-volatile memory, wherein the non-volatile memory may be a read-only memory (Read-Only Memory, ROM), a programmable read-only memory (Programmable ROM) , PROM), erasable programmable read-only memory (Erasable PROM, EPROM), electrically erasable programmable read-only memory (Electrically EPROM, EEPROM) or flash memory.
  • ROM Read-Only Memory
  • PROM programmable read-only memory
  • PROM erasable programmable read-only memory
  • Erasable PROM Erasable PROM
  • EPROM electrically erasable programmable read-only memory
  • EEPROM electrically erasable programmable read-only memory
  • flash memory for example at least one magnetic disk storage device, flash memory device, or other non-volatile solid state storage device.
  • the processor 1010 may include one or more processing units; optionally, the processor 1010 may integrate an application processor and a modem processor, wherein the application processor mainly processes the operating system, user interface, and application programs or instructions, etc. Modem processors mainly deal with wireless communications, such as baseband processors. It can be understood that, the above-mentioned modulation and demodulation processor may not be integrated into the processor 1010.
  • radio frequency unit 1001 or the processor 1010 is used for:
  • the reference signal includes a first reference signal, or includes a first reference signal and a second reference signal;
  • the first reference signal is a reference signal specific to the SFN, or all
  • the second reference signal is a reference signal specific to a cell or a transmission and reception point;
  • the radio frequency unit 1001 or the processor 1010 is also used for at least one of the following:
  • the radio frequency unit 1001 or the processor 1010 is further used for:
  • the terminal camps on the first cell or the second cell; the first cell is a cell specific to the SFN, or the second cell is a cell or a cell specific to the transmission and reception point, or Transmission receiving point.
  • the radio frequency unit 1001 or the processor 1010 is further used for:
  • the level where the terminal camps is the first level; or, if the terminal camps on the second cell, the level where the terminal camps on is the first level;
  • the level is the second level; wherein, the first level is the SFN level, and the second level is the cell level or the transmission and reception point level.
  • the radio frequency unit 1001 or the processor 1010 is further used for:
  • the terminal After the terminal successfully accesses the network, the terminal receives a third reference signal sent by the network side device, where the third reference signal is a reference signal specific to a cell or a transmission and reception point.
  • the third reference signal is a reference signal specific to a cell or a transmission and reception point.
  • the third reference signal is sent through an SFN-specific system message, or through a cell or transmission and reception point-specific system message, or through dedicated RRC information, or through message 2 or message in the random access process.
  • SFN-specific system message or through a cell or transmission and reception point-specific system message, or through dedicated RRC information, or through message 2 or message in the random access process.
  • At least one of the paging message and the system message is specific to the SFN.
  • the paging message and the system message are unique to SFN; or,
  • the paging message is unique to the SFN, and the system message is unique to the cell or the transmission and reception point; or,
  • the paging message is specific to the cell or the transmission and reception point, and the system message is specific to the SFN; or,
  • the paging messages include SFN-specific paging messages and cell- or transmission-receiving-point-specific paging messages; or,
  • the system messages include SFN-specific system messages and cell- or transmission-reception-point-specific system messages.
  • the radio frequency unit 1001 or the processor 1010 is further used for:
  • the terminal When the system message indicates that there are random access resources specific to the SFN, the terminal initiates random access to the network side device by using the random access resources.
  • the resources of the first reference signal and the resources of the second reference signal are independent of each other; or,
  • the resources of the first reference signal are a subset of the resources of the second reference signal.
  • the first reference signal and the second reference signal have at least one of the following relationships:
  • the first reference signal and the second reference signal are respectively mapped on different time domain resources
  • the first reference signal and the second reference signal are respectively mapped on different code domain resources
  • the first reference signal and the second reference signal are respectively mapped on different frequency domain resources.
  • the terminal identifies the first reference signal by at least one of a reference signal identifier, a physical cell identifier, frequency domain configuration information, time domain configuration information, and code domain configuration information.
  • the first physical cell identifier is the same as the second physical cell identifier; or,
  • the first physical cell identifier and the second physical cell identifier are independent of each other, and at least one of the first physical cell identifier and the second physical cell identifier is used to identify the location where the terminal is located. cell or transmission reception point;
  • the first physical cell identifier is a specific physical cell identifier of the SFN
  • the second physical cell identifier is a cell or a specific cell of the transmission and reception point or the physical cell identifier of the transmission and reception point.
  • the first physical cell identifier is sent to the terminal by the network side device through a system message.
  • the first physical cell identifier is different from the second physical cell identifier
  • the first physical cell identifier and the second physical cell identifier are the same or different.
  • the SFN-specific cells include cells in the low-frequency range, and the cells or cells specific to transmission and reception points include cells in the high-frequency range;
  • SFN-specific cells include high-altitude platform station cells or high-orbit satellite cells, and cells or transmission-reception point-specific cells include low-orbit satellite cells or cells covered by ground base stations.
  • the radio frequency unit 1001 or the processor 1010 is also used for at least one of the following:
  • the uplink signal is used to indicate the terminal identifier or the group identifier where the terminal is located;
  • the advance indication signal includes at least one of a wake-up signal WUS, a sleep signal GTS, DCP and a pre-indication
  • the advance indication signal is used to instruct the terminal to perform several subsequent non- Whether to receive a paging message and/or a PDCCH corresponding to the paging message within the continuous receiving DRX cycle, or to indicate whether there is a paging message for the terminal or the group to which the terminal belongs.
  • the radio frequency unit 1001 or the processor 1010 is further used for:
  • the network side device receives the feedback of the uplink signal
  • the response message carries at least one of the advance indication signal and indication information, where the indication information is used to indicate the transmission and reception point information that receives the paging message.
  • the advance indication signal is specific to SFN, or specific to a cell or a transmission and reception point; or,
  • the response message is specific to the SFN, or specific to the cell or the transmission and reception point.
  • the reference signal includes at least one of a synchronization signal block SSB, a CSI reference signal CSI-RS, a cell reference signal CRS, a sounding reference signal SRS, and a demodulation reference signal DMRS.
  • the radio frequency unit 1001 or the processor 1010 is further used for:
  • SFN-related configuration information includes at least one of SFN-specific reference signals, SFN-specific system information, SFN-specific paging messages, and SFN random access channels.
  • the terminal obtains the configuration information related to the SFN through at least one of system broadcast, RRC dedicated message, and paging message.
  • the radio frequency unit 1001 or the processor 1010 is further used for:
  • the terminal regards the cell specific to SFN as a cell that is prohibited from being accessed.
  • a technical solution for the terminal to access the network based on the SFN-specific reference signal is provided, so that the terminal can successfully access the SFN, because the terminal does not need to be within the SFN range.
  • Frequent cell selection or reselection or handover reduces the measurement frequency of the terminal, thereby reducing network overhead and terminal power consumption.
  • the network side device 700 includes: an antenna 71 , a radio frequency device 72 , and a baseband device 73 .
  • the antenna 71 is connected to the radio frequency device 72 .
  • the radio frequency device 72 receives information through the antenna 71, and sends the received information to the baseband device 73 for processing.
  • the baseband device 73 processes the information to be sent and sends it to the radio frequency device 72
  • the radio frequency device 72 processes the received information and sends it out through the antenna 71 .
  • the above-mentioned frequency band processing apparatus may be located in the baseband apparatus 73 , and the method performed by the network side device in the above embodiments may be implemented in the baseband apparatus 73 .
  • the baseband apparatus 73 includes a processor 74 and a memory 75 .
  • the baseband device 73 may include, for example, at least one baseband board on which a plurality of chips are arranged. As shown in FIG. 10 , one of the chips is, for example, the processor 74 and is connected to the memory 75 to call the program in the memory 75 to execute The network devices shown in the above method embodiments operate.
  • the baseband device 73 may further include a network interface 76 for exchanging information with the radio frequency device 72, and the interface is, for example, a common public radio interface (CPRI for short).
  • CPRI common public radio interface
  • the network-side device in the embodiment of the present invention further includes: instructions or programs stored in the memory 75 and executable on the processor 74, and the processor 74 invokes the instructions or programs in the memory 75 to execute the modules shown in FIG. 7 .
  • Embodiments of the present application further provide a readable storage medium, where a program or an instruction is stored on the readable storage medium, and when the program or instruction is executed by a processor, each process of the foregoing network access method embodiment is implemented, and can achieve The same technical effect, in order to avoid repetition, will not be repeated here.
  • the processor is the processor in the terminal or the network side device described in the foregoing embodiment.
  • the readable storage medium includes a computer-readable storage medium, such as a computer read-only memory (Read-Only Memory, ROM), a random access memory (Random Access Memory, RAM), a magnetic disk or an optical disk, and the like.
  • An embodiment of the present application further provides a chip, where the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is configured to run a program or an instruction to implement the foregoing network access method embodiments and can achieve the same technical effect, in order to avoid repetition, it will not be repeated here.
  • the chip mentioned in the embodiments of the present application may also be referred to as a system-on-chip, a system-on-chip, a system-on-chip, or a system-on-a-chip, or the like.
  • the method of the above embodiment can be implemented by means of software plus a necessary general hardware platform, and of course can also be implemented by hardware, but in many cases the former is better implementation.
  • the technical solution of the present application can be embodied in the form of a software product in essence or in a part that contributes to the prior art, and the computer software product is stored in a storage medium (such as ROM/RAM, magnetic disk, CD-ROM), including several instructions to make a terminal (which may be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) execute the methods described in the various embodiments of this application.
  • a storage medium such as ROM/RAM, magnetic disk, CD-ROM
  • each module of the above device is only a division of logical functions, and in actual implementation, all or part of it may be integrated into a physical entity, or it may be physically separated.
  • These modules can all be implemented in the form of software calling through processing elements; they can also all be implemented in hardware; some modules can also be implemented in the form of calling software through processing elements, and some modules can be implemented in hardware.
  • the receiving module may be a separately established processing element, or it may be integrated into a certain chip of the above-mentioned device to be implemented, in addition, it may also be stored in the memory of the above-mentioned device in the form of program code, and a certain processing element of the above-mentioned device Call and execute the function of the above receiving module.
  • each step of the above-mentioned method or each of the above-mentioned modules can be completed by an integrated logic circuit of hardware in the processor element or an instruction in the form of software.
  • each module, unit, sub-unit or sub-module may be one or more integrated circuits configured to implement the above method, such as: one or more application specific integrated circuits (ASIC), or, one or Multiple microprocessors (digital signal processors, DSP), or, one or more field programmable gate arrays (Field Programmable Gate Array, FPGA), etc.
  • ASIC application specific integrated circuits
  • DSP digital signal processors
  • FPGA Field Programmable Gate Array
  • the processing element may be a general-purpose processor, such as a central processing unit (Central Processing Unit, CPU) or other processors that can call program codes.
  • CPU central processing unit
  • these modules can be integrated together and implemented in the form of a system-on-a-chip (SOC).
  • SOC system-on-a-chip

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Abstract

本申请提供了一种网络接入方法、网络接入装置、终端及网络侧设备。其中，应用于终端的网络接入方法包括：接收网络侧设备发送的参考信号；参考信号包括第一参考信号，或者包括第一参考信号和第二参考信号；第一参考信号为SFN特有的参考信号，或者，第二参考信号为小区或传输接收点特有的参考信号；基于接收的参考信号，执行初始接入相关操作。

Description

网络接入方法、网络接入装置、终端和网络侧设备
相关申请的交叉引用
本申请主张在2020年09月29日在中国提交的中国专利申请号No.202011057997.6的优先权，其全部内容通过引用包含于此。
技术领域
本申请属于通信技术领域，具体涉及一种网络接入方法、网络接入装置、终端和网络侧设备。
背景技术
随着未来通信系统部署频段越来越高，单个小区(cell)或者传输接收点(Transmission Reception Point，TRP)的覆盖范围越来越小，同时，未来移动通信系统支持更多的高速场景。这给终端带来频繁的移动性，从而引入更多的终端测量，导致网络开销和终端功耗均较高。
发明内容
本申请实施例的目的是提供一种网络接入方法、网络接入装置、终端和网络侧设备，能够解决因终端频繁的移动性而导致网络开销和终端功耗均较高的问题。
为了解决上述技术问题，本申请是这样实现的：
第一方面，提供了一种网络接入方法，应用于终端，所述方法包括：
接收网络侧设备发送的参考信号；所述参考信号包括第一参考信号，或者包括第一参考信号和第二参考信号；所述第一参考信号为单频网SFN特有的参考信号，或者，所述第二参考信号为小区或传输接收点特有的参考信号；
基于接收的所述参考信号，执行初始接入相关操作。
第二方面，提供了一种网络接入装置，包括：
第一接收模块，用于接收网络侧设备发送的参考信号；所述参考信号包括第一参考信号，或者包括第一参考信号和第二参考信号；所述第一参考信 号为单频网SFN特有的参考信号，或者，所述第二参考信号为小区或传输接收点特有的参考信号；
执行模块，用于基于接收的所述参考信号，执行初始接入相关操作。
第三方面，提供了一种网络接入方法，应用于网络侧设备，所述方法包括：
向终端发送参考信号；所述参考信号包括第一参考信号，或者包括第一参考信号和第二参考信号；所述第一参考信号为单频网SFN特有的参考信号，或者，所述第二参考信号为小区或传输接收点特有的参考信号。
第四方面，提供了一种网络接入装置，包括：
第一发送模块，用于向终端发送参考信号；所述参考信号包括第一参考信号，或者包括第一参考信号和第二参考信号；所述第一参考信号为单频网SFN特有的参考信号，或者，所述第二参考信号为小区或传输接收点特有的参考信号。
第五方面，提供了一种终端，该终端包括处理器、存储器及存储在所述存储器上并可在所述处理器上运行的程序或指令，所述程序或指令被所述处理器执行时实现如第一方面所述的方法的步骤。
第六方面，提供了一种网络侧设备，该网络侧设备包括处理器、存储器及存储在所述存储器上并可在所述处理器上运行的程序或指令，所述程序或指令被所述处理器执行时实现如第三方面所述的方法的步骤。
第七方面，提供了一种可读存储介质，所述可读存储介质上存储程序或指令，所述程序或指令被处理器执行时实现如第一方面所述的方法的步骤，或者实现如第三方面所述的方法的步骤。
第八方面，提供了一种芯片，所述芯片包括处理器和通信接口，所述通信接口和所述处理器耦合，所述处理器用于运行程序或指令，实现如第一方面所述的方法，或实现如第三方面所述的方法。
第九方面，提供了一种计算机程序产品，存储在非易失性的可读存储介质中，所述计算机程序产品被至少一个处理器执行以实现如第一方面所述的方法，或实现如第三方面所述的方法。
第十方面，提供了一种网络接入装置，用于执行如第一方面所述的方法， 或者如第三方面所述的方法。
在本申请实施例中，通过单频网络(Single-Frequency Network，SFN)部署的系统设计，提供了终端基于SFN特有的参考信号进行网络接入的技术方案，使得终端能够成功接入SFN，由于终端在SFN范围内不需要在小区间频繁地进行小区选择或重选或切换，而且终端的测量频率得以降低，从而能够降低网络开销和终端功耗。
附图说明
图1是本申请实施例可应用的一种无线通信系统的框图；
图2是本申请实施例提供的一种网络接入方法的流程图；
图3是一种密集网络的示意图；
图4是一种SFN的示意图；
图5是本申请实施例提供的一种网络接入装置的结构图；
图6是本申请实施例提供的另一种网络接入方法的流程图；
图7是本申请实施例提供的另一种网络接入装置的结构图；
图8是本申请实施例提供的通信设备的结构图；
图9是本申请实施例提供的网络侧设备的硬件结构图；
图10是本申请实施例提供的终端的硬件结构图。
具体实施方式
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本申请保护的范围。
本申请的说明书和权利要求书中的术语“第一”、“第二”等是用于区别类似的对象，而不用于描述特定的顺序或先后次序。应该理解这样使用的数据在适当情况下可以互换，以便本申请的实施例能够以除了在这里图示或描述的那些以外的顺序实施，且“第一”、“第二”所区别的对象通常为一类，并不限定对象的个数，例如第一对象可以是一个，也可以是多个。此外，说明书以及 权利要求中“和/或”表示所连接对象的至少其中之一，字符“/”一般表示前后关联对象是一种“或”的关系。
值得指出的是，本申请实施例所描述的技术不限于长期演进型(Long Term Evolution，LTE)/LTE的演进(LTE-Advanced，LTE-A)系统，还可用于其他无线通信系统，诸如码分多址(Code Division Multiple Access，CDMA)、时分多址(Time Division Multiple Access，TDMA)、频分多址(Frequency Division Multiple Access，FDMA)、正交频分多址(Orthogonal Frequency Division Multiple Access，OFDMA)、单载波频分多址(Single-carrier Frequency-Division Multiple Access，SC-FDMA)和其他系统。本申请实施例中的术语“系统”和“网络”常被可互换地使用，所描述的技术既可用于以上提及的系统和无线电技术，也可用于其他系统和无线电技术。然而，以下描述出于示例目的描述了新空口(New Radio，NR)系统，并且在以下大部分描述中使用NR术语，尽管这些技术也可应用于NR系统应用以外的应用，如第6代(6th Generation，6G)通信系统。
图1示出本申请实施例可应用的一种无线通信系统的框图。无线通信系统包括终端11和网络侧设备12。其中，终端11也可以称作终端设备或者用户终端(User Equipment，UE)，终端11可以是手机、平板电脑(Tablet Personal Computer)、膝上型电脑(Laptop Computer)或称为笔记本电脑、个人数字助理(Personal Digital Assistant，PDA)、掌上电脑、上网本、超级移动个人计算机(ultra-mobile personal computer，UMPC)、移动上网装置(Mobile Internet Device，MID)、可穿戴式设备(Wearable Device)或车载设备(VUE)、行人终端(PUE)等终端侧设备，可穿戴式设备包括：手环、耳机、眼镜等。需要说明的是，在本申请实施例并不限定终端11的具体类型。网络侧设备12可以是基站或核心网，其中，基站可被称为节点B、演进节点B、接入点、基收发机站(Base Transceiver Station，BTS)、无线电基站、无线电收发机、基本服务集(Basic Service Set，BSS)、扩展服务集(Extended Service Set，ESS)、B节点、演进型B节点(eNB)、家用B节点、家用演进型B节点、WLAN接入点、WiFi节点、发送接收点(Transmitting Receiving Point，TRP)或所述领域中其他某个合适的术语，只要达到相同的技术效果，所述基站不限于特定 技术词汇，需要说明的是，在本申请实施例中仅以NR系统中的基站为例，但是并不限定基站的具体类型。
下面结合附图，通过具体的实施例及其应用场景对本申请实施例提供的网络接入方法、网络接入装置、网络侧设备及终端进行详细地说明。
图2是本申请实施例提供的一种网络接入方法的流程图，如图2所示，网络接入方法，应用于终端，该方法包括以下步骤：
步骤201：接收网络侧设备发送的参考信号；所述参考信号包括第一参考信号，或者包括第一参考信号和第二参考信号；所述第一参考信号为SFN特有的参考信号，或者，所述第二参考信号为小区或传输接收点特有的参考信号；
步骤202：基于接收的所述参考信号，执行初始接入相关操作。
以下先对密集网络、空闲态或非激活态的移动性、SFN以及现有网络接入流程分别进行相关的介绍。
图3示出了终端在密集网络(dense network)中移动的示意图。
低频(例如FR1)小区相比高频(例如FR2)小区，其覆盖范围更大，终端在FR1覆盖范围内移动时，可能会不断更换FR2小区，但是FR1小区不更换。终端在初始激活一个FR2小区或者切换FR2小区时，需要不断测量各个波束的信号质量，由于波束数量较多，会导致过长的小区激活时间，或者小区切换时间。例如，在满足一定条件时，测量时间可以达到秒级别，如下：
8ms+24*T rs+T uncertainty，MAC+T L1-RSRP，measure+T L1-RSRP,report+T HARQ+T FineTiming
上述较长的测量时间会导致网络开销和终端功耗均较大。
空闲态或非激活态终端在移动的过程中，网络提供各频点的优先级。
对于同频邻小区，如果目标(或邻居)小区的测量评估值(根据目标(或邻居)小区的测量结果加入偏移量后计算得出)比服务小区的测量评估值(根据服务小区的测量结果加入偏移量后计算得出)好，且持续一段时长(如，网络配置的时长)，且终端在当前服务小区驻留时间超过一段时长(如，协议约定的1s)，则终端重选到该目标(或邻居)小区。
对于高优先级异频(即inter-frequency)或异技术(即inter-RAT)邻小区，如果目标(或邻居)小区的测量评估值超过门限值，且持续一段时长(如网络 配置的时长)，则终端重选到该目标(或邻居)小区。
对于低优先级异频(即inter-frequency)或异技术(即inter-RAT)邻小区，如果目标(或邻居)小区的测量评估值大于门限值且当前服务小区的测量评估值小于门限值，且持续一段时长(如网络配置的时长)，则终端重选到该目标(或邻居)小区。
对于异频(即inter-frequency)或异技术(即inter-RAT)邻小区，在目标(或邻居)频点优先级与当前服务(或驻留)频点优先级相同的时候，小区重选的方法与同频小区的小区重选方法相同。
空闲态或非激活态终端通过接收网络侧设备发送的寻呼消息，触发连接建立过程，从而进行数据的收发。
为了降低终端的耗电，无小区化(cell free)或者SFN将是密集网络或高速场景下的主要部署。在SFN传输方案中，多个小区或多个发送点可发送同样的信号，不同小区间没有同频干扰，且多个信号可提升信号与干扰加噪声比(Signal to Interference plus Noise Ratio，SINR)、传输质量和覆盖效果。组成SFN的多个小区可以共用同一个小区标识符(cell ID)，即超级小区(super cell)的ID。多个小区可以通过SFN传输的方式进行信号的发送，例如，多个小区以宽波束发送，某一时刻终端可以接收到多个小区发送的宽波束，从而获得分集增益。在SFN传输方案中，终端不需要在小区间频繁地进行小区重选或切换，例如，终端不需要在小区间频繁地进行连接态(connected mode)的切换(handover)，也不需要在小区间频繁地进行空闲态(idle mode)或非激活态(inactive mode)的小区选择和重选(cell selection/reselection)。图4示出了一个由7个小区构成的SFN超级小区。
目前，终端采用以下的基本流程进行网络接入(或称系统接入)：首先，终端进行初始搜网，其中包括参考信号的接收，并根据参考信号的测量完成小区选择或重选，再驻留到对应的小区。其次，接收广播的系统信息(System Information，SI)，其中包括接入系统所需信息。最后，根据所获得的系统接入所需信息进行随机接入，实现无线资源控制(Radio Resource Control，RRC)连接到网络侧设备。
虽然在SFN传输方案中，终端不需要在小区间频繁地进行小区选择或重 选或切换，但是如果终端仍然按照现有的网络接入方式进行网络接入，终端仍然需要在SFN范围内的不同小区或传输接收点之间接收小区特有的参考信号，这样，终端仍然需要进行较多的测量，仍然存在较大的网络开销和较高的终端功耗。
鉴于此，为了解决现有网络接入中所存在的上述问题，本申请实施例中，网络侧设备向终端发送的参考信号至少包括第一参考信号，该第一参考信号为SFN特有的参考信号，在SFN范围内，每个小区的参考信号的相关配置均与第一参考信号的相关配置相同。这样，终端在SFN范围内的不同小区或传输接收点移动时，不再需要接收小区特有的参考信号，从而能够减少终端测量的频率，降低网络开销和终端功耗。
网络侧设备向终端发送的参考信号除了包括第一参考信号，还可以包括第二参考信号，即小区或传输接收点特有的参考信号。
其中，上述小区或传输接收点是指SFN或super cell范围内的小区或传输接收点。
本申请实施例所涉及的术语“SFN特有的”和“小区或传输接收点特有的”分别解释如下：
SFN特有的(SFN/super cell specific)，即，每个SFN或超级小区对应的相关配置是独立的，在SFN范围内或超级小区范围内的配置是相同的。
小区或传输接收点特有的(Cell/TRP specific)，即，每个小区或传输接收点对应的相关配置是独立的，在小区或传输接收点范围内的配置是相同的。
本申请实施例中，终端在空闲态或非激活态下，可以接收网络侧设备发送的参考信号，终端在接收到网络侧设备发送的参考信号之后，终端可基于参考信号进行初始接入相关操作，初始接入相关操作的相关技术方案将在后续进行说明。
本申请实施例中，通过SFN部署的系统设计，提供了终端基于SFN特有的参考信号进行网络接入的技术方案，使得终端能够成功接入SFN，由于终端在SFN范围内不需要在小区间频繁地进行小区选择或重选或切换，使得终端的测量频率得以降低，从而能够降低网络开销和终端功耗，适用于密集网络或高速场景。
需要说明的是，本申请的成功接入网络包括通过小区选择或重选驻留到对应的小区(即空闲态idle或非激活态inactive)，或者，通过RRC连接建立连接到网络侧设备(即RRC连接态)。
可选的，所述参考信号包括同步信号块(Synchronization Signal Block，SSB)、CSI参考信号(CSI Reference Signal，CSI-RS)、小区特定参考信号(Cell-specific Reference Signals，CRS)、探测参考信号(Sounding Reference Signal，SRS)、解调参考信号(Demodulation Reference Signal，DMRS)中的至少一项。
本申请实施例中，以参考信号包括SSB为例，参考信号可以包括cell/TRP specific SSB和SFN specific SSB，或只包括SFN specific SSB。其中，对于cell/TRP specific SSB，每个cell/TRP的SSB的相关配置是独立的，对于SFN specific SSB，在SFN范围内所有的cell/TRP的SSB的相关配置是相同的。SSB的相关配置可以包括SSB序列(sequence)、SSB索引(index)、SS/PBCH块测量时序配置(SS/PBCH block Measurement Timing Configuration，SMTC)等。
可选的，所述基于接收的所述参考信号，执行初始接入相关操作，包括以下至少一项：
进行小区选择或重选；
接收所述网络侧设备发送的系统信息；
接收所述网络侧设备发送的寻呼消息；
接收所述网络侧设备发送的提前指示信息；
向所述网络侧设备发起随机接入。
其中，系统信息(System Information，SI)可以包括主信息块(Master Information Block，MIB)和系统信息块(System Information Block，SIB)。
提前指示信息可以包括唤醒信号(Wake-up signaling，WUS)、睡眠信号(Go-to-sleep signaling，GTS)、节能PS-RNTI加扰的下行控制信息(DCI with CRC scrambled by PS-RNTI，DCP)信号、寻呼指示(paging indication)等消息。
随机接入为随机接入信道(Random Access Channel，RACH)随机接入。
该实施方式中，终端接收网络侧设备发送的寻呼消息(paging)，可以理解为，终端监听网络侧设备发送的寻呼消息。终端接收网络侧设备发送的提前指示信息，可以理解为，终端监听网络侧设备发送的提前指示信息。
可选的，所述进行小区选择或重选，包括：
对所述参考信号进行测量；
根据测量结果，进行小区选择或重选；
根据小区选择或重选结果，所述终端驻留在第一小区或第二小区；所述第一小区为SFN特有的小区，或者，所述第二小区为小区或传输接收点特有的小区或传输接收点。
该实施方式中，终端在空闲态或非激活态下，可以对参考信号进行测量，例如，终端可以对cell/TRP specific SSB和SFN specific SSB进行测量，或者只对SFN specific SSB进行测量，终端可以根据测量结果进行小区选择或重选，并根据小区选择或重选结果，驻留在终端所选择或重选的小区。
其中，测量结果可以包括如下至少之一：参考信号接收功率(Reference Signal Received Power，RSRP)、参考信号接收质量(Reference Signal Received Quality，RSRQ)、SINR、误块率(Block Error Rate，BLER)、接收信号强度指示(Received Signal Strength Indication，RSSI)。
终端驻留的小区可以是SFN特有的小区，也可以是小区或传输接收点特有的小区或传输接收点。其中，小区或传输接收点特有的小区或传输接收点，既可以是小区特有的小区，也可以是小区特有的传输接收点，还可以是传输接收点特有的小区，还可以是传输接收点特有的传输接收点，本申请对此不作限定。
可选的，所述终端在驻留的层级接收所述网络侧设备发送的系统信息；或者，
所述终端在驻留的层级接收所述网络侧设备发送的寻呼消息；或者，
所述终端在驻留的层级接收所述网络侧设备发送的提前指示信息；或者，
所述终端在驻留的层级向所述网络侧设备发起随机接入；
其中，若所述终端驻留在所述第一小区，则所述终端驻留的层级为第一层级；或者，若所述终端驻留在所述第二小区，则所述终端驻留的层级为第 二层级；其中，所述第一层级为SFN层级，所述第二层级为小区层级或传输接收点层级。
该实施方式中，在终端进行小区驻留之后，可以在驻留的层级进行相关信息的接收和随机接入的发起。
具体的，如果终端驻留(Camp)在SFN层级(SFN layer)，则终端可执行如下操作中的至少之一：
在SFN层级接收寻呼消息。
在SFN层级接收系统消息。
在SFN层级发起随机接入。
如果终端驻留在小区层级或传输接收点层级(cell/TRP layer)，则终端可执行如下操作中的至少之一：
在小区层级或传输接收点层级接收寻呼消息。
在小区层级或传输接收点层级接收系统消息。
在小区层级或传输接收点层级发起随机接入。
需要说明的是，在实际部署时，SFN是一个Super cell的范围，它包括若干个cell或TRP，通常称SFN super cell为SFN layer。Super cell或者SFN layer对应的小区为SFN特有的(specific)小区；而SFN范围内包括的若干个cell或TRP，为cell/TRP layer。此layer对应的cell/TRP为cell/TRP特有的(specific)小区或TRP。相应的，在SFN layer上的参考信号RS、系统消息SI、寻呼消息Paging等，都称为SFN特有的RS、SI、paging等。在cell/TRP layer的参考信号RS、系统消息SI、寻呼消息Paging等，都称为cell/TRP特有的RS、SI、paging等。
可选的，在所述终端成功接入网络之后，所述方法还包括：
接收所述网络侧设备发送的第三参考信号，所述第三参考信号为小区或传输接收点特有的参考信号。
其中，第三参考信号可以与第二参考信号相同或者不同。
该实施方式中，在完成随机接入之后，并在终端成功接入网络之后，终端还可以接收网络侧设备发送的小区或传输接收点特有的参考信号。这里，终端成功接入网络既可以包括连接态的连接成功，也可以包括空闲态或非激 活态的成功驻留。
如此，终端接收网络侧设备发送的参考信号可以包括以下情况：
其一，在执行初始接入相关操作之前，终端可以接收网络侧设备发送的第一参考信号，在成功接入网络之后，终端还可以接收网络侧设备发送的第三参考信号。
其二，在执行初始接入相关操作之前，终端可以接收网络侧设备发送的第一参考信号，或者第一参考信号和第二参考信号，在成功接入网络之后，终端还可以接收网络侧设备发送的第三参考信号。也就是说，在初始接入相关操作之前，终端即便已经接收到SFN特有的参考信号，或者SFN特有的参考信号和小区或传输接收点特有的参考信号，在小区选择或重选之后，终端还可以接收到小区或传输接收点特有的参考信号。
这里，第三参考信号可以是例如cell/TRP specific SSB，当然还可以是其它的参考信号，例如CSI-RS、CRS、SRS、DMRS等各类参考信号。
可选的，所述第三参考信号通过SFN特有的系统消息发送，或者通过小区或传输接收点特有的系统消息发送，或者通过专用RRC信息发送，或者通过随机接入过程中的消息二或消息四(msg.2/4during RACH)发送。
其中，专用RRC信息可以是RRC指示信息(RRC dedicated signaling)，比如RRC configuration/reconfiguration with sync/HO command等。
可选的，所述寻呼消息和所述系统消息中的至少一项为SFN特有的。
此外，寻呼消息和系统消息可以均为小区或传输接收点特有的，即，寻呼消息为小区或传输接收点特有的，系统消息也为小区或传输接收点特有的。
可选的，所述寻呼消息和所述系统消息为SFN特有的；或者，
所述寻呼消息为SFN特有的，所述系统消息为小区或传输接收点特有的；或者，
所述寻呼消息为小区或传输接收点特有的，所述系统消息为SFN特有的；或者，
所述寻呼消息包括SFN特有的寻呼消息，以及小区或传输接收点特有的寻呼消息；或者，
所述系统消息包括SFN特有的系统消息，以及小区或传输接收点特有的 系统消息。
可选的，所述向所述网络侧设备发起随机接入，包括：
在所述系统消息指示有SFN特有的随机接入资源的情况下，所述终端使用所述随机接入资源向所述网络侧设备发起随机接入。
此外，在系统消息中指示有小区或传输接收点特有的随机接入资源的情况下，终端可以使用小区或传输接收点特有的随机接入资源进行RACH接入。
上述的随机接入资源又可理解为初始接入资源，其可以包括如下至少一项：
SSB，即有多个SSB的周期发送；
SMTC，即有多个SMTC的配置；
搜索空间(Search space)，比如common search space，即有多个search space的配置；
控制资源集(Control resource set，CORESET)，比如coreset#0，即有多个CORESET的配置；
带宽部分(Bandwidth Part，BWP)，比如initial BWP，其中包括DL initial BWP和/或UL initial BWP，即有多个initial BWP的配置；
参考信号(Reference Signal，RS)，即有多个参考信号的配置。
可选的，所述第一参考信号的资源与所述第二参考信号的资源彼此独立；或者，
所述第一参考信号的资源是所述第二参考信号的资源的子集。
作为举例，SFN specific SSB的资源可以与SFN范围内cell/TRP Specific SSB的资源彼此独立，SFN specific SSB的资源也可以是SFN范围内Cell/TRP specific SSB的子集，比如使用某一个Cell/TRP SSB index作为SFN SSB index。
可选的，所述第一参考信号和所述第二参考信号存在以下关系中的至少一项：
所述第一参考信号和所述第二参考信号分别映射在不同的时域资源上；
所述第一参考信号和所述第二参考信号分别映射在不同的码域资源上；
所述第一参考信号和所述第二参考信号分别映射在不同的频域资源上。
该实施方式中，第一参考信号和第二参考信号可以分别映射在不同的时 域资源上，即时分复用(Time Division Multiplexing，TDM)，比如第一参考信号和第二参考信号使用不同的SMTC。第一参考信号和第二参考信号也可以分别映射在不同的码域资源上，即码分多路复用(Code Division Multiplexing，CDM)，比如第一参考信号和第二参考信号使用不同的序列号(Sequence)。第一参考信号和第二参考信号还可以分别映射在不同的频域资源上，即频分复用(Frequency Division Multiplex，FDM)，比如第一参考信号和第二参考信号使用不同的同步栅格(SyncRaster或sync raster)。
可选的，所述终端通过参考信号标识符、物理小区标识符(Physical Cell Identifier，PCI)、频域配置信息、时域配置信息和码域配置信息中的至少一项识别所述第一参考信号。
以第一参考信号为SFN specific SSB，第二参考信号为cell/TRP specific SSB作为示例：
SFN specific SSB和cell/TRP specific SSB可以使用不同的SSB ID，因此，终端可以通过SSB ID来识别SFN specific SSB；
SFN specific SSB和cell/TRP specific SSB也可以使用不同的PCI，因此，终端也可以通过PCI来识别SFN specific SSB；
SFN specific SSB和cell/TRP specific SSB也可以使用不同的频段，因此，终端也可以通过频域配置信息来识别SFN specific SSB；
SFN specific SSB和cell/TRP specific SSB也可以使用不同的时域配置，比如不同的SMTC，因此，终端也可以通过时域配置信息来识别SFN specific SSB；
SFN specific SSB和cell/TRP specific SSB还可以使用不同的码域，比如不同的sequence，因此，终端还可以通过码域配置信息来识别SFN specific SSB。
可选的，第一物理小区标识符与第二物理小区标识符相同；或者，
所述第一物理小区标识符与所述第二物理小区标识符彼此独立，所述第一物理小区标识符和所述第二物理小区标识符中的至少之一用于所述终端识别所在的小区或传输接收点；
其中，所述第一物理小区标识符为SFN特有的物理小区标识符，或者， 所述第二物理小区标识符为小区或传输接收点特有的小区或传输接收点的物理小区标识符。第一物理小区标识符和第二物理小区标识符分别为第一参考信号和第二参考信号对应的物理小区标识符。
第一物理小区标识符也可以理解为SFN layer对应的PCI ID，SFN layer PCI ID可以与当前Cell/TRP PCI ID相同，也可以与当前Cell/TRP PCI ID不同。对于后一种情况，终端可以使用SFN layer PCI ID和cell/TRP PCI ID来确定终端所在的cell/TRP范围，可应用于测量、切换、小区选择或重选、RRC连接建立、RRC连接重建、非激活态的恢复(resume)等操作。
可选的，所述第一物理小区标识符通过系统消息由所述网络侧设备发送给所述终端。
可选的，若SFN特有的小区与小区或传输接收点特有的小区部署在相同的频率(即intra-frequency)，则所述第一物理小区标识符与所述第二物理小区标识符不同；或者，
若SFN特有的小区与小区或传输接收点特有的小区部署在不同的频率(即inter-frequency)，则所述第一物理小区标识符与所述第二物理小区标识符相同或者不同。
其中，相同的频率可指相同频点或相同频段或相同的载波，不同的频率可指不同频点或不同频段或不同的载波。
SFN特有的小区可以理解为SFN layer(或超级小区)对应的小区，小区或传输接收点特有的小区可以理解为cell/TRP layer对应的小区。上述频率可以为频段、频点或载波。对于SFN layer的部署场景，存在如下的情况：
其一，当SFN layer与cell/TRP layer部署在相同频段、频点或载波上时，可使用不同的PCI ID来区分SFN layer与cell/TRP layer。
其二，当SFN layer与cell/TRP layer部署在不同的频段、频点或载波上时，SFN layer可以使用与cell/TRP layer相同或者不同的PCI ID。
可选的，若网络部署有高频范围和低频范围，则SFN特有的小区包括所述低频范围内的小区，小区或传输接收点特有的小区包括所述高频范围内的小区；或者，
若网络包括卫星通信网络，则SFN特有的小区包括高空平台站(High  Altitude Platform Station，HAPS)小区或高轨卫星小区，小区或传输接收点特有的小区包括低轨卫星小区或地面基站覆盖的小区。
高频范围也可以称为高频层级(high-frequency layer)，低频范围也可以称为低频层级(low frequency layer)。当网络部署有高频范围和低频范围时，可以将低频范围对应的cell/TRP当作SFN或者超级小区，而将高频范围对应的cell/TRP当作SFN/super cell内的cell/TRP。
对于卫星通信网络，可以将HAPS/satellite cell当作SFN或者超级小区，在此范围内的低轨卫星可以当作SFN/super cell内的cell/TRP，或者，此范围内的其它普通cell/TRP可以当作SFN/super cell内的cell/TRP。
可选的，在所述接收所述网络侧设备发送的寻呼消息之前，所述方法还包括以下至少一项：
向所述网络侧设备发送上行信号(UL signaling)，所述上行信号用于指示所述终端标识或所述终端所在组标识；
接收所述网络侧设备发送的提前指示信号，所述提前指示信号包括WUS、GTS、DCP和预指示(pre-indication)中的至少一项，所述提前指示信号用于指示终端在后续若干个非连续接收(Discontinuous Reception，DRX)周期内是否接收寻呼消息和/或寻呼消息对应的物理下行控制信道(Physical downlink control channel，PDCCH)，或者用于指示是否有所述终端或终端所在组的寻呼消息。
其中，上行信号例如可以是RACH或寻呼指示(Paging indication)，此消息的目的是为了辅助网络侧设备确认终端或终端组所在的寻呼范围。
可选的，在所述向所述网络侧设备发送上行信号之后，所述方法还包括：
接收所述网络侧设备发送的响应消息(UL signaling Response)，所述响应消息用于指示以下至少之一：
所述网络侧设备接收到所述上行信号的反馈；
是否存在所述终端或所述终端所在组的寻呼消息。
可选的，所述响应消息携带有所述提前指示信号和指示信息中的至少一项，其中，所述指示信息用于指示接收所述寻呼消息的传输接收点信息。
可选的，所述提前指示信号为SFN特有的，或者为小区或传输接收点特 有的；或者，
所述响应消息为SFN特有的，或者为小区或传输接收点特有的。
例如，WUS消息可以是cell/TRP specific或SFN specific，UL signaling response可以是cell/TRP specific或SFN specific。
上述信令流程包括如下情况中的至少一项：
情况一：
Step 1：终端向网络侧设备发送上行信号。
Step 2：终端接收网络侧设备发送的寻呼消息。
情况二：
Step 1：终端接收网络侧设备发送的提前指示信号。
Step 2：终端向网络侧设备发送上行信号。
Step 3：终端接收网络侧设备发送的寻呼消息。
情况三：
Step 1：终端向网络侧设备发送上行信号。
Step 2：终端接收网络侧设备发送的响应消息，该响应消息可携带提前指示信号。
Step 3：终端接收网络侧设备发送的寻呼消息。
可选的，所述方法还包括：
获取SFN相关的配置信息，所述SFN相关的配置信息包括SFN特有的参考信号、SFN特有的系统信息、SFN特有的寻呼消息、SFN随机接入信道中的至少一项。
其中，上述SFN特有的参考信号例如可以是SFN specific SSB。
可选的，所述终端通过系统广播、RRC专用消息、寻呼消息中的至少一项获取所述SFN相关的配置信息。
其中，系统广播例如可以是MIB、SIB等，寻呼消息例如可以是寻呼RNTI(Paging RNTI，P-RNTI)PDCCH和/或物理下行共享信道(Physical downlink shared channel，PDSCH)寻呼消息。
在RRC连接建立后，网络侧设备可通过RRC专用消息通知终端，例如RRC release、suspend消息。进一步的，当终端从cell/TRP specific cell release 时，或从SFN layer release时，网络侧设备可通过RRC专用消息通知终端。
此外，对于不支持SFN的终端，终端将此SFN特有的小区当作禁止接入(bar)的小区，即终端被禁止接入SFN特有的小区。
需要说明的是，本申请实施例提供的网络接入方法，执行主体可以为网络接入装置，或者，该网络接入装置中的用于执行网络接入方法的控制模块。本申请实施例中以网络接入装置执行网络接入方法为例，说明本申请实施例提供的网络接入装置。
图5是本申请实施例提供的一种网络接入装置的结构图，如图5所示，网络接入装置300，网络接入装置300包括：
第一接收模块301，用于接收网络侧设备发送的参考信号；所述参考信号包括第一参考信号，或者包括第一参考信号和第二参考信号；所述第一参考信号为单频网SFN特有的参考信号，或者，所述第二参考信号为小区或传输接收点特有的参考信号；
执行模块302，用于基于接收的所述参考信号，执行初始接入相关操作。
可选的，执行模块302用于以下至少一项：
进行小区选择或重选；
接收所述网络侧设备发送的系统信息；
接收所述网络侧设备发送的寻呼消息；
接收所述网络侧设备发送的提前指示信息；
向所述网络侧设备发起随机接入。
可选的，执行模块302包括：
测量子模块，用于对所述参考信号进行测量；
选择子模块，用于根据测量结果，进行小区选择或重选；
驻留子模块，用于根据小区选择或重选结果，所述终端驻留在第一小区或第二小区；所述第一小区为SFN特有的小区，或者，所述第二小区为小区或传输接收点特有的小区或传输接收点。
可选的，执行模块302具体用于：
在所述终端驻留的层级接收所述网络侧设备发送的系统信息；或者，
在所述终端驻留的层级接收所述网络侧设备发送的寻呼消息；或者，
在所述终端驻留的层级接收所述网络侧设备发送的提前指示信息；或者，
在所述终端驻留的层级向所述网络侧设备发起随机接入；
其中，若所述终端驻留在所述第一小区，则所述终端驻留的层级为第一层级；或者，若所述终端驻留在所述第二小区，则所述终端驻留的层级为第二层级；其中，所述第一层级为SFN层级，所述第二层级为小区层级或传输接收点层级。
可选的，网络接入装置300还包括：
第二接收模块，用于在所述终端成功接入网络之后，接收所述网络侧设备发送的第三参考信号，所述第三参考信号为小区或传输接收点特有的参考信号。
可选的，所述第三参考信号通过SFN特有的系统消息发送，或者通过小区或传输接收点特有的系统消息发送，或者通过专用RRC信息发送，或者通过随机接入过程中的消息二或消息四发送。
可选的，所述寻呼消息和所述系统消息中的至少一项为SFN特有的。
可选的，所述寻呼消息和所述系统消息为SFN特有的；或者，
所述寻呼消息为SFN特有的，所述系统消息为小区或传输接收点特有的；或者，
所述寻呼消息为小区或传输接收点特有的，所述系统消息为SFN特有的；或者，
所述寻呼消息包括SFN特有的寻呼消息，以及小区或传输接收点特有的寻呼消息；或者，
所述系统消息包括SFN特有的系统消息，以及小区或传输接收点特有的系统消息。
可选的，执行模块302包括：
随机接入子模块，用于在所述系统消息指示有SFN特有的随机接入资源的情况下，所述终端使用所述随机接入资源向所述网络侧设备发起随机接入。
可选的，所述第一参考信号的资源与所述第二参考信号的资源彼此独立；或者，
所述第一参考信号的资源是所述第二参考信号的资源的子集。
可选的，所述第一参考信号和所述第二参考信号存在以下关系中的至少一项：
所述第一参考信号和所述第二参考信号分别映射在不同的时域资源上；
所述第一参考信号和所述第二参考信号分别映射在不同的码域资源上；
所述第一参考信号和所述第二参考信号分别映射在不同的频域资源上。
可选的，所述终端通过参考信号标识符、物理小区标识符、频域配置信息、时域配置信息和码域配置信息中的至少一项识别所述第一参考信号。
可选的，第一物理小区标识符与第二物理小区标识符相同；或者，
所述第一物理小区标识符与所述第二物理小区标识符彼此独立，所述第一物理小区标识符和所述第二物理小区标识符中的至少之一用于所述终端识别所在的小区或传输接收点；
其中，所述第一物理小区标识符为SFN特有的物理小区标识符，或者，所述第二物理小区标识符为小区或传输接收点特有的小区或传输接收点的物理小区标识符。
可选的，所述第一物理小区标识符通过系统消息由所述网络侧设备发送给所述终端。
可选的，若SFN特有的小区与小区或传输接收点特有的小区部署在相同的频率，则所述第一物理小区标识符与所述第二物理小区标识符不同；或者，
若SFN特有的小区与小区或传输接收点特有的小区部署在不同的频率，则所述第一物理小区标识符与所述第二物理小区标识符相同或者不同。
可选的，若网络部署有高频范围和低频范围，则SFN特有的小区包括所述低频范围内的小区，小区或传输接收点特有的小区包括所述高频范围内的小区；或者，
若网络包括卫星通信网络，则SFN特有的小区包括高空平台站小区或高轨卫星小区，小区或传输接收点特有的小区包括低轨卫星小区或地面基站覆盖的小区。
可选的，网络接入装置300还包括以下至少之一：
发送模块，用于向所述网络侧设备发送上行信号，所述上行信号用于指示所述终端标识或所述终端所在组标识；
第三接收模块，用于接收所述网络侧设备发送的提前指示信号，所述提前指示信号包括唤醒信号WUS、睡眠信号GTS、DCP和预指示中的至少一项，所述提前指示信号用于指示终端在后续若干个非连续接收DRX周期内是否接收寻呼消息和/或寻呼消息对应的PDCCH，或者用于指示是否有所述终端或终端所在组的寻呼消息。
可选的，网络接入装置300还包括：
第四接收模块，用于接收所述网络侧设备发送的响应消息，所述响应消息用于指示以下至少之一：
所述网络侧设备接收到所述上行信号的反馈；
是否存在所述终端或所述终端所在组的寻呼消息。
可选的，所述响应消息携带有所述提前指示信号和指示信息中的至少一项，其中，所述指示信息用于指示接收所述寻呼消息的传输接收点信息。
可选的，所述提前指示信号为SFN特有的，或者为小区或传输接收点特有的；或者，
所述响应消息为SFN特有的，或者为小区或传输接收点特有的。
可选的，所述参考信号包括同步信号块SSB、CSI参考信号CSI-RS、小区参考信号CRS、探测参考信号SRS、解调参考信号DMRS中的至少一项。
可选的，网络接入装置300还包括：
获取模块，用于获取SFN相关的配置信息，所述SFN相关的配置信息包括SFN特有的参考信号、SFN特有的系统信息、SFN特有的寻呼消息、SFN随机接入信道中的至少一项。
可选的，所述终端通过系统广播、RRC专用消息、寻呼消息中的至少一项获取所述SFN相关的配置信息。
可选的，网络接入装置300还包括：
禁止接入模块，用于若终端不支持SFN，则所述终端将SFN特有的小区当作禁止接入的小区。
本申请实施例中的网络接入装置可以是装置，也可以是终端中的部件、集成电路、或芯片。该装置可以是移动终端，也可以为非移动终端。示例性的，移动终端可以包括但不限于上述所列举的终端11的类型，非移动终端可 以为服务器、网络附属存储器(Network Attached Storage，NAS)、个人计算机(personal computer，PC)、电视机(television，TV)、柜员机或者自助机等，本申请实施例不作具体限定。
本申请实施例中的网络接入装置可以为具有操作系统的装置。该操作系统可以为安卓(Android)操作系统，可以为iOS操作系统，还可以为其他可能的操作系统，本申请实施例不作具体限定。
本申请实施例提供的网络接入装置能够实现图2的方法实施例实现的各个过程，并达到相同的技术效果，为避免重复，这里不再赘述。
在本申请实施例中，通过SFN部署的系统设计，提供了终端基于SFN特有的参考信号进行网络接入的技术方案，使得终端能够成功接入SFN，由于终端在SFN范围内不需要在小区间频繁地进行小区选择或重选或切换，使得终端的测量频率得以降低，从而能够降低网络开销和终端功耗。
图6是本申请实施例提供的一种网络接入方法的流程图，如图6所示，网络接入方法，应用于网络侧设备，该方法包括以下步骤：
步骤401：向终端发送参考信号；所述参考信号包括第一参考信号，或者包括第一参考信号和第二参考信号；所述第一参考信号为单频网SFN特有的参考信号，或者，所述第二参考信号为小区或传输接收点特有的参考信号。
在本申请实施例中，通过SFN部署的系统设计，提供了向终端发送SFN特有的参考信号的技术方案，从而终端可基于SFN特有的参考信号进行网络接入，使得终端能够成功接入SFN，由于终端在SFN范围内不需要在小区间频繁地进行小区选择或重选或切换，使得终端的测量频率得以降低，从而能够降低网络开销和终端功耗。
可选的，在所述终端驻留在小区的情况下，所述方法还包括：
在所述终端驻留的层级向所述终端发送系统信息；或者，
在所述终端驻留的层级向所述终端发送寻呼消息；或者，
在所述终端驻留的层级向所述终端发送提前指示信息；
其中，若所述终端驻留在第一小区，则所述终端驻留的层级为第一层级；或者，若所述终端驻留在第二小区，则所述终端驻留的层级为第二层级；其中，所述第一小区为SFN特有的小区，所述第一层级为SFN层级，或者，所 述第二小区为小区或传输接收点特有的小区或传输接收点，所述第二层级为小区层级或传输接收点层级。
可选的，在所述终端成功接入网络之后，所述方法还包括：
向所述终端发送第三参考信号，所述第三参考信号为小区或传输接收点特有的参考信号。
可选的，所述第三参考信号通过SFN特有的系统消息发送，或者通过小区或传输接收点特有的系统消息发送，或者通过专用RRC信息发送，或者通过随机接入过程中的消息二或消息四发送。
可选的，所述寻呼消息和所述系统消息中的至少一项为SFN特有的。
可选的，所述寻呼消息和所述系统消息为SFN特有的；或者，
所述寻呼消息为SFN特有的，所述系统消息为小区或传输接收点特有的；或者，
所述寻呼消息为小区或传输接收点特有的，所述系统消息为SFN特有的；或者，
所述寻呼消息包括SFN特有的寻呼消息，以及小区或传输接收点特有的寻呼消息；或者，
所述系统消息包括SFN特有的系统消息，以及小区或传输接收点特有的系统消息。
可选的，所述第一参考信号的资源与所述第二参考信号的资源彼此独立；或者，
所述第一参考信号的资源是所述第二参考信号的资源的子集。
可选的，所述第一参考信号和所述第二参考信号存在以下关系中的至少一项：
所述第一参考信号和所述第二参考信号分别映射在不同的时域资源上；
所述第一参考信号和所述第二参考信号分别映射在不同的码域资源上；
所述第一参考信号和所述第二参考信号分别映射在不同的频域资源上。
可选的，所述终端通过参考信号标识符、物理小区标识符、频域配置信息、时域配置信息和码域配置信息中的至少一项识别所述第一参考信号。
可选的，第一物理小区标识符与第二物理小区标识符相同；或者，
所述第一物理小区标识符与所述第二物理小区标识符彼此独立，所述第一物理小区标识符和所述第二物理小区标识符中的至少之一用于所述终端识别所在的小区或传输接收点；
其中，所述第一物理小区标识符为SFN特有的物理小区标识符，或者，所述第二物理小区标识符为小区或传输接收点特有的小区或传输接收点的物理小区标识符。
可选的，所述第一物理小区标识符通过系统消息由所述网络侧设备发送给所述终端。
可选的，若SFN特有的小区与小区或传输接收点特有的小区部署在相同的频率，则所述第一物理小区标识符与所述第二物理小区标识符不同；或者，
若SFN特有的小区与小区或传输接收点特有的小区部署在不同的频率，则所述第一物理小区标识符与所述第二物理小区标识符相同或者不同。
可选的，若网络部署有高频范围和低频范围，则SFN特有的小区包括所述低频范围内的小区，小区或传输接收点特有的小区包括所述高频范围内的小区；或者，
若网络包括卫星通信网络，则SFN特有的小区包括高空平台站小区或高轨卫星小区，小区或传输接收点特有的小区包括低轨卫星小区或地面基站覆盖的小区。
可选的，在向所述终端发送寻呼消息之前，所述方法还包括以下至少一项：
接收所述终端发送的上行信号，所述上行信号用于指示所述终端标识或所述终端所在组标识；
向所述终端发送提前指示信号，所述提前指示信号包括唤醒信号WUS、睡眠信号GTS、DCP和预指示中的至少一项，所述提前指示信号用于指示终端在后续若干个非连续接收DRX周期内是否接收寻呼消息和/或寻呼消息对应的PDCCH，或者用于指示是否有所述终端或终端所在组的寻呼消息。
可选的，在所述接收所述终端发送的上行信号之后，所述方法还包括：
向所述终端发送响应消息，所述响应消息用于指示以下至少之一：
所述网络侧设备接收到所述上行信号的反馈；
是否存在所述终端或所述终端所在组的寻呼消息。
可选的，所述响应消息携带有所述提前指示信号和指示信息中的至少一项，其中，所述指示信息用于指示接收所述寻呼消息的传输接收点信息。
可选的，所述提前指示信号为SFN特有的，或者为小区或传输接收点特有的；或者，
所述响应消息为SFN特有的，或者为小区或传输接收点特有的。
可选的，所述参考信号包括同步信号块SSB、CSI参考信号CSI-RS、小区参考信号CRS、探测参考信号SRS、解调参考信号DMRS中的至少一项。
可选的，所述方法还包括：
向所述终端发送SFN相关的配置信息，所述SFN相关的配置信息包括SFN特有的参考信号、SFN特有的系统信息、SFN特有的寻呼消息、SFN随机接入信道中的至少一项。
可选的，所述网络侧设备通过系统广播、RRC专用消息、寻呼消息中的至少一项向所述终端发送所述SFN相关的配置信息。
可选的，所述方法还包括：
若所述终端不支持SFN，则禁止所述终端接入SFN特有的小区。
需要说明的是，图2的方法实施例中的相关实施方式和相关说明均可以适用于本申请实施例，并达到相同的技术效果，为避免重复，这里不再赘述。
本申请实施例提供的网络接入方法，执行主体可以为网络接入装置，或者，该网络接入装置中的用于执行网络接入方法的控制模块。本申请实施例中以网络接入装置执行网络接入方法为例，说明本申请实施例提供的网络接入装置。
图7是本申请实施例提供的一种网络接入装置的结构图，如图7所示，网络接入装置500，网络接入装置500包括：
第一发送模块501，用于向终端发送参考信号；所述参考信号包括第一参考信号，或者包括第一参考信号和第二参考信号；所述第一参考信号为单频网SFN特有的参考信号，或者，所述第二参考信号为小区或传输接收点特有的参考信号。
可选的，网络接入装置500还包括第二发送模块，用于：
在所述终端驻留的层级向所述终端发送系统信息；或者，
在所述终端驻留的层级向所述终端发送寻呼消息；或者，
在所述终端驻留的层级向所述终端发送提前指示信息；
其中，若所述终端驻留在所述第一小区，则所述终端驻留的层级为第一层级；或者，若所述终端驻留在所述第二小区，则所述终端驻留的层级为第二层级；其中，所述第一层级为SFN层级，所述第二层级为小区层级或传输接收点层级。
可选的，网络接入装置500还包括：
第三发送模块，用于在所述终端成功接入网络之后，向所述终端发送第三参考信号，所述第三参考信号为小区或传输接收点特有的参考信号。
可选的，所述第三参考信号通过SFN特有的系统消息发送，或者通过小区或传输接收点特有的系统消息发送，或者通过专用RRC信息发送，或者通过随机接入过程中的消息二或消息四发送。
可选的，所述寻呼消息和所述系统消息中的至少一项为SFN特有的。
可选的，所述寻呼消息和所述系统消息为SFN特有的；或者，
所述寻呼消息为SFN特有的，所述系统消息为小区或传输接收点特有的；或者，
所述寻呼消息为小区或传输接收点特有的，所述系统消息为SFN特有的；或者，
所述寻呼消息包括SFN特有的寻呼消息，以及小区或传输接收点特有的寻呼消息；或者，
所述系统消息包括SFN特有的系统消息，以及小区或传输接收点特有的系统消息。
可选的，所述第一参考信号的资源与所述第二参考信号的资源彼此独立；或者，
所述第一参考信号的资源是所述第二参考信号的资源的子集。
可选的，所述第一参考信号和所述第二参考信号存在以下关系中的至少一项：
所述第一参考信号和所述第二参考信号分别映射在不同的时域资源上；
所述第一参考信号和所述第二参考信号分别映射在不同的码域资源上；
所述第一参考信号和所述第二参考信号分别映射在不同的频域资源上。
可选的，所述终端通过参考信号标识符、物理小区标识符、频域配置信息、时域配置信息和码域配置信息中的至少一项识别所述第一参考信号。
可选的，第一物理小区标识符与第二物理小区标识符相同；或者，
所述第一物理小区标识符与所述第二物理小区标识符彼此独立，所述第一物理小区标识符和所述第二物理小区标识符中的至少之一用于所述终端识别所在的小区或传输接收点；
其中，所述第一物理小区标识符为SFN特有的物理小区标识符，或者，所述第二物理小区标识符为小区或传输接收点特有的小区或传输接收点的物理小区标识符。
可选的，所述第一物理小区标识符通过系统消息由所述网络侧设备发送给所述终端。
可选的，若SFN特有的小区与小区或传输接收点特有的小区部署在相同的频率，则所述第一物理小区标识符与所述第二物理小区标识符不同；或者，
若SFN特有的小区与小区或传输接收点特有的小区部署在不同的频率，则所述第一物理小区标识符与所述第二物理小区标识符相同或者不同。
可选的，若网络部署有高频范围和低频范围，则SFN特有的小区包括所述低频范围内的小区，小区或传输接收点特有的小区包括所述高频范围内的小区；或者，
若网络包括卫星通信网络，则SFN特有的小区包括高空平台站小区或高轨卫星小区，小区或传输接收点特有的小区包括低轨卫星小区或地面基站覆盖的小区。
可选的，网络接入装置500还包括以下至少之一：
接收模块，用于接收所述终端发送的上行信号，所述上行信号用于指示所述终端标识或所述终端所在组标识；
第四发送模块，用于向所述终端发送提前指示信号，所述提前指示信号包括唤醒信号WUS、睡眠信号GTS、DCP和预指示中的至少一项，所述提前指示信号用于指示终端在后续若干个非连续接收DRX周期内是否接收寻呼 消息和/或寻呼消息对应的PDCCH，或者用于指示是否有所述终端或终端所在组的寻呼消息。
可选的，网络接入装置500还包括：
第五发送模块，用于在接收所述终端发送的上行信号之后，向所述终端发送响应消息，所述响应消息用于指示以下至少之一：
所述网络侧设备接收到所述上行信号的反馈；
是否存在所述终端或所述终端所在组的寻呼消息。
可选的，所述响应消息携带有所述提前指示信号和指示信息中的至少一项，其中，所述指示信息用于指示接收所述寻呼消息的传输接收点信息。
可选的，所述提前指示信号为SFN特有的，或者为小区或传输接收点特有的；或者，
所述响应消息为SFN特有的，或者为小区或传输接收点特有的。
可选的，所述参考信号包括同步信号块SSB、CSI参考信号CSI-RS、小区参考信号CRS、探测参考信号SRS、解调参考信号DMRS中的至少一项。
可选的，网络接入装置500还包括：
第六发送模块，用于向所述终端发送SFN相关的配置信息，所述SFN相关的配置信息包括SFN特有的参考信号、SFN特有的系统信息、SFN特有的寻呼消息、SFN随机接入信道中的至少一项。
可选的，所述网络侧设备通过系统广播、RRC专用消息、寻呼消息中的至少一项向所述终端发送所述SFN相关的配置信息。
可选的，网络接入装置500还包括：
禁止接入模块，用于若所述终端不支持SFN，则禁止所述终端接入SFN特有的小区。
如图8所示，本申请实施例还提供一种通信设备600，包括处理器601，存储器602，存储在存储器602上并可在所述处理器601上运行的程序或指令，例如，该通信设备600为终端时，该程序或指令被处理器601执行时实现上述网络接入方法实施例的各个过程，且能达到相同的技术效果。该通信设备600为网络侧设备时，该程序或指令被处理器601执行时实现上述网络接入方法实施例的各个过程，且能达到相同的技术效果，为避免重复，这里 不再赘述。
图9为实现本申请实施例的一种终端的硬件结构示意图。
该终端1000包括但不限于：射频单元1001、网络模块1002、音频输出单元1003、输入单元1004、传感器1005、显示单元1006、用户输入单元1007、接口单元1008、存储器1009、以及处理器1010等部件。
本领域技术人员可以理解，终端1000还可以包括给各个部件供电的电源(比如电池)，电源可以通过电源管理系统与处理器1010逻辑相连，从而通过电源管理系统实现管理充电、放电、以及功耗管理等功能。图9中示出的终端结构并不构成对终端的限定，终端可以包括比图示更多或更少的部件，或者组合某些部件，或者不同的部件布置，在此不再赘述。
应理解的是，本申请实施例中，输入单元1004可以包括图形处理器(Graphics Processing Unit，GPU)10041和麦克风10042，图形处理器10041对在视频捕获模式或图像捕获模式中由图像捕获装置(如摄像头)获得的静态图片或视频的图像数据进行处理。显示单元1006可包括显示面板10061，可以采用液晶显示器、有机发光二极管等形式来配置显示面板10061。用户输入单元1007包括触控面板10071以及其他输入设备10072。触控面板10071，也称为触摸屏。触控面板10071可包括触摸检测装置和触摸控制器两个部分。其他输入设备10072可以包括但不限于物理键盘、功能键(比如音量控制按键、开关按键等)、轨迹球、鼠标、操作杆，在此不再赘述。
本申请实施例中，射频单元1001将来自网络侧设备的下行数据接收后，给处理器1010处理；另外，将上行的数据发送给网络侧设备。通常，射频单元1001包括但不限于天线、至少一个放大器、收发信机、耦合器、低噪声放大器、双工器等。
存储器1009可用于存储软件程序或指令以及各种数据。存储器1009可主要包括存储程序或指令区和存储数据区，其中，存储程序或指令区可存储操作系统、至少一个功能所需的应用程序或指令(比如声音播放功能、图像播放功能等)等。此外，存储器1009可以包括高速随机存取存储器，还可以包括非易失性存储器，其中，非易失性存储器可以是只读存储器(Read-Only Memory，ROM)、可编程只读存储器(Programmable ROM，PROM)、可擦除 可编程只读存储器(Erasable PROM，EPROM)、电可擦除可编程只读存储器(Electrically EPROM，EEPROM)或闪存。例如至少一个磁盘存储器件、闪存器件、或其他非易失性固态存储器件。
处理器1010可包括一个或多个处理单元；可选的，处理器1010可集成应用处理器和调制解调处理器，其中，应用处理器主要处理操作系统、用户界面和应用程序或指令等，调制解调处理器主要处理无线通信，如基带处理器。可以理解的是，上述调制解调处理器也可以不集成到处理器1010中。
其中，射频单元1001或处理器1010用于：
接收网络侧设备发送的参考信号；所述参考信号包括第一参考信号，或者包括第一参考信号和第二参考信号；所述第一参考信号为单频网SFN特有的参考信号，或者，所述第二参考信号为小区或传输接收点特有的参考信号；
基于接收的所述参考信号，执行初始接入相关操作。
可选的，射频单元1001或处理器1010还用于以下至少一项：
进行小区选择或重选；
接收所述网络侧设备发送的系统信息；
接收所述网络侧设备发送的寻呼消息；
接收所述网络侧设备发送的提前指示信息；
向所述网络侧设备发起随机接入。
可选的，射频单元1001或处理器1010还用于：
对所述参考信号进行测量；
根据测量结果，进行小区选择或重选；
根据小区选择或重选结果，所述终端驻留在第一小区或第二小区；所述第一小区为SFN特有的小区，或者，所述第二小区为小区或传输接收点特有的小区或传输接收点。
可选的，射频单元1001或处理器1010还用于：
在所述终端驻留的层级接收所述网络侧设备发送的系统信息；或者，
在所述终端驻留的层级接收所述网络侧设备发送的寻呼消息；或者，
在所述终端驻留的层级接收所述网络侧设备发送的提前指示信息；或者，
在所述终端驻留的层级向所述网络侧设备发起随机接入；
其中，若所述终端驻留在所述第一小区，则所述终端驻留的层级为第一层级；或者，若所述终端驻留在所述第二小区，则所述终端驻留的层级为第二层级；其中，所述第一层级为SFN层级，所述第二层级为小区层级或传输接收点层级。
可选的，射频单元1001或处理器1010还用于：
在所述终端成功接入网络之后，接收所述网络侧设备发送的第三参考信号，所述第三参考信号为小区或传输接收点特有的参考信号。
可选的，所述第三参考信号通过SFN特有的系统消息发送，或者通过小区或传输接收点特有的系统消息发送，或者通过专用RRC信息发送，或者通过随机接入过程中的消息二或消息四发送。
可选的，所述寻呼消息和所述系统消息中的至少一项为SFN特有的。
可选的，所述寻呼消息和所述系统消息为SFN特有的；或者，
所述寻呼消息为SFN特有的，所述系统消息为小区或传输接收点特有的；或者，
所述寻呼消息为小区或传输接收点特有的，所述系统消息为SFN特有的；或者，
所述寻呼消息包括SFN特有的寻呼消息，以及小区或传输接收点特有的寻呼消息；或者，
所述系统消息包括SFN特有的系统消息，以及小区或传输接收点特有的系统消息。
可选的，射频单元1001或处理器1010还用于：
在所述系统消息指示有SFN特有的随机接入资源的情况下，所述终端使用所述随机接入资源向所述网络侧设备发起随机接入。
可选的，所述第一参考信号的资源与所述第二参考信号的资源彼此独立；或者，
所述第一参考信号的资源是所述第二参考信号的资源的子集。
可选的，所述第一参考信号和所述第二参考信号存在以下关系中的至少一项：
所述第一参考信号和所述第二参考信号分别映射在不同的时域资源上；
所述第一参考信号和所述第二参考信号分别映射在不同的码域资源上；
所述第一参考信号和所述第二参考信号分别映射在不同的频域资源上。
可选的，所述终端通过参考信号标识符、物理小区标识符、频域配置信息、时域配置信息和码域配置信息中的至少一项识别所述第一参考信号。
可选的，第一物理小区标识符与第二物理小区标识符相同；或者，
所述第一物理小区标识符与所述第二物理小区标识符彼此独立，所述第一物理小区标识符和所述第二物理小区标识符中的至少之一用于所述终端识别所在的小区或传输接收点；
其中，所述第一物理小区标识符为SFN特有的物理小区标识符，或者，所述第二物理小区标识符为小区或传输接收点特有的小区或传输接收点的物理小区标识符。
可选的，所述第一物理小区标识符通过系统消息由所述网络侧设备发送给所述终端。
可选的，若SFN特有的小区与小区或传输接收点特有的小区部署在相同的频率，则所述第一物理小区标识符与所述第二物理小区标识符不同；或者，
若SFN特有的小区与小区或传输接收点特有的小区部署在不同的频率，则所述第一物理小区标识符与所述第二物理小区标识符相同或者不同。
可选的，若网络部署有高频范围和低频范围，则SFN特有的小区包括所述低频范围内的小区，小区或传输接收点特有的小区包括所述高频范围内的小区；或者，
若网络包括卫星通信网络，则SFN特有的小区包括高空平台站小区或高轨卫星小区，小区或传输接收点特有的小区包括低轨卫星小区或地面基站覆盖的小区。
可选的，射频单元1001或处理器1010还用于以下至少之一：
向所述网络侧设备发送上行信号，所述上行信号用于指示所述终端标识或所述终端所在组标识；
接收所述网络侧设备发送的提前指示信号，所述提前指示信号包括唤醒信号WUS、睡眠信号GTS、DCP和预指示中的至少一项，所述提前指示信号用于指示终端在后续若干个非连续接收DRX周期内是否接收寻呼消息和/或 寻呼消息对应的PDCCH，或者用于指示是否有所述终端或终端所在组的寻呼消息。
可选的，射频单元1001或处理器1010还用于：
接收所述网络侧设备发送的响应消息，所述响应消息用于指示以下至少之一：
所述网络侧设备接收到所述上行信号的反馈；
是否存在所述终端或所述终端所在组的寻呼消息。
可选的，所述响应消息携带有所述提前指示信号和指示信息中的至少一项，其中，所述指示信息用于指示接收所述寻呼消息的传输接收点信息。
可选的，所述提前指示信号为SFN特有的，或者为小区或传输接收点特有的；或者，
所述响应消息为SFN特有的，或者为小区或传输接收点特有的。
可选的，所述参考信号包括同步信号块SSB、CSI参考信号CSI-RS、小区参考信号CRS、探测参考信号SRS、解调参考信号DMRS中的至少一项。
可选的，射频单元1001或处理器1010还用于：
获取SFN相关的配置信息，所述SFN相关的配置信息包括SFN特有的参考信号、SFN特有的系统信息、SFN特有的寻呼消息、SFN随机接入信道中的至少一项。
可选的，所述终端通过系统广播、RRC专用消息、寻呼消息中的至少一项获取所述SFN相关的配置信息。
可选的，射频单元1001或处理器1010还用于：
若终端不支持SFN，则所述终端将SFN特有的小区当作禁止接入的小区。
在本申请实施例中，通过SFN部署的系统设计，提供了终端基于SFN特有的参考信号进行网络接入的技术方案，使得终端能够成功接入SFN，由于终端在SFN范围内不需要在小区间频繁地进行小区选择或重选或切换，使得终端的测量频率得以降低，从而能够降低网络开销和终端功耗。
本申请实施例还提供了一种网络侧设备。如图10所示，该网络侧设备700包括：天线71、射频装置72、基带装置73。天线71与射频装置72连接。在上行方向上，射频装置72通过天线71接收信息，将接收的信息发送给基带 装置73进行处理。在下行方向上，基带装置73对要发送的信息进行处理，并发送给射频装置72，射频装置72对收到的信息进行处理后经过天线71发送出去。
上述频带处理装置可以位于基带装置73中，以上实施例中网络侧设备执行的方法可以在基带装置73中实现，该基带装置73包括处理器74和存储器75。
基带装置73例如可以包括至少一个基带板，该基带板上设置有多个芯片，如图10所示，其中一个芯片例如为处理器74，与存储器75连接，以调用存储器75中的程序，执行以上方法实施例中所示的网络设备操作。
该基带装置73还可以包括网络接口76，用于与射频装置72交互信息，该接口例如为通用公共无线接口(common public radio interface，简称CPRI)。
具体地，本发明实施例的网络侧设备还包括：存储在存储器75上并可在处理器74上运行的指令或程序，处理器74调用存储器75中的指令或程序执行图7所示各模块执行的方法，并达到相同的技术效果，为避免重复，故不在此赘述。
本申请实施例还提供一种可读存储介质，所述可读存储介质上存储有程序或指令，该程序或指令被处理器执行时实现上述网络接入方法实施例的各个过程，且能达到相同的技术效果，为避免重复，这里不再赘述。
其中，所述处理器为上述实施例中所述的终端或网络侧设备中的处理器。所述可读存储介质，包括计算机可读存储介质，如计算机只读存储器(Read-Only Memory，ROM)、随机存取存储器(Random Access Memory，RAM)、磁碟或者光盘等。
本申请实施例另提供了一种芯片，所述芯片包括处理器和通信接口，所述通信接口和所述处理器耦合，所述处理器用于运行程序或指令，实现上述网络接入方法实施例的各个过程，且能达到相同的技术效果，为避免重复，这里不再赘述。
应理解，本申请实施例提到的芯片还可以称为系统级芯片，系统芯片，芯片系统或片上系统芯片等。
需要说明的是，在本文中，术语“包括”、“包含”或者其任何其他变体意在 涵盖非排他性的包含，从而使得包括一系列要素的过程、方法、物品或者装置不仅包括那些要素，而且还包括没有明确列出的其他要素，或者是还包括为这种过程、方法、物品或者装置所固有的要素。在没有更多限制的情况下，由语句“包括一个……”限定的要素，并不排除在包括该要素的过程、方法、物品或者装置中还存在另外的相同要素。此外，需要指出的是，本申请实施方式中的方法和装置的范围不限按示出或讨论的顺序来执行功能，还可包括根据所涉及的功能按基本同时的方式或按相反的顺序来执行功能，例如，可以按不同于所描述的次序来执行所描述的方法，并且还可以添加、省去、或组合各种步骤。另外，参照某些示例所描述的特征可在其他示例中被组合。
通过以上的实施方式的描述，本领域的技术人员可以清楚地了解到上述实施例方法可借助软件加必需的通用硬件平台的方式来实现，当然也可以通过硬件，但很多情况下前者是更佳的实施方式。基于这样的理解，本申请的技术方案本质上或者说对现有技术做出贡献的部分可以以软件产品的形式体现出来，该计算机软件产品存储在一个存储介质(如ROM/RAM、磁碟、光盘)中，包括若干指令用以使得一台终端(可以是手机，计算机，服务器，空调器，或者网络设备等)执行本申请各个实施例所述的方法。
应理解以上设备的各个模块的划分仅仅是一种逻辑功能的划分，实际实现时可以全部或部分集成到一个物理实体上，也可以物理上分开。这些模块可以全部以软件通过处理元件调用的形式实现；也可以全部以硬件的形式实现；还可以部分模块通过处理元件调用软件的形式实现，部分模块通过硬件的形式实现。例如，接收模块可以为单独设立的处理元件，也可以集成在上述装置的某一个芯片中实现，此外，也可以以程序代码的形式存储于上述装置的存储器中，由上述装置的某一个处理元件调用并执行以上接收模块的功能。其它模块的实现与之类似。此外，这些模块全部或部分可以集成在一起，也可以独立实现。这里所述的处理元件可以是一种集成电路，具有信号的处理能力。在实现过程中，上述方法的各步骤或以上各个模块可以通过处理器元件中的硬件的集成逻辑电路或者软件形式的指令完成。
例如，各个模块、单元、子单元或子模块可以是被配置成实施以上方法的一个或多个集成电路，例如：一个或多个特定集成电路(Application Specific  Integrated Circuit，ASIC)，或，一个或多个微处理器(digital signal processor，DSP)，或，一个或者多个现场可编程门阵列(Field Programmable Gate Array，FPGA)等。再如，当以上某个模块通过处理元件调度程序代码的形式实现时，该处理元件可以是通用处理器，例如中央处理器(Central Processing Unit，CPU)或其它可以调用程序代码的处理器。再如，这些模块可以集成在一起，以片上系统(system-on-a-chip，SOC)的形式实现。
上面结合附图对本申请的实施例进行了描述，但是本申请并不局限于上述的具体实施方式，上述的具体实施方式仅仅是示意性的，而不是限制性的，本领域的普通技术人员在本申请的启示下，在不脱离本申请宗旨和权利要求所保护的范围情况下，还可做出很多形式，均属于本申请的保护之内。

Claims (57)

  1. 一种网络接入方法，应用于终端，包括：
    接收网络侧设备发送的参考信号；所述参考信号包括第一参考信号，或者包括第一参考信号和第二参考信号；所述第一参考信号为单频网SFN特有的参考信号，或者，所述第二参考信号为小区或传输接收点特有的参考信号；
    基于接收的所述参考信号，执行初始接入相关操作。
  2. 根据权利要求1所述的方法，其中，所述基于接收的所述参考信号，执行初始接入相关操作，包括以下至少一项：
    进行小区选择或重选；
    接收所述网络侧设备发送的系统信息；
    接收所述网络侧设备发送的寻呼消息；
    接收所述网络侧设备发送的提前指示信息；
    向所述网络侧设备发起随机接入。
  3. 根据权利要求2所述的方法，其中，所述进行小区选择或重选，包括：
    对所述参考信号进行测量；
    根据测量结果，进行小区选择或重选；
    根据小区选择或重选结果，所述终端驻留在第一小区或第二小区；所述第一小区为SFN特有的小区，或者，所述第二小区为小区或传输接收点特有的小区或传输接收点。
  4. 根据权利要求3所述的方法，其中，所述终端在驻留的层级接收所述网络侧设备发送的系统信息；或者，
    所述终端在驻留的层级接收所述网络侧设备发送的寻呼消息；或者，
    所述终端在驻留的层级接收所述网络侧设备发送的提前指示信息；或者，
    所述终端在驻留的层级向所述网络侧设备发起随机接入；
    其中，若所述终端驻留在所述第一小区，则所述终端驻留的层级为第一层级；或者，若所述终端驻留在所述第二小区，则所述终端驻留的层级为第二层级；其中，所述第一层级为SFN层级，所述第二层级为小区层级或传输接收点层级。
  5. 根据权利要求2所述的方法，其中，在所述终端成功接入网络之后，所述方法还包括：
    接收所述网络侧设备发送的第三参考信号，所述第三参考信号为小区或传输接收点特有的参考信号。
  6. 根据权利要求5所述的方法，其中，所述第三参考信号通过SFN特有的系统消息发送，或者通过小区或传输接收点特有的系统消息发送，或者通过专用无线资源控制RRC信息发送，或者通过随机接入过程中的消息二或消息四发送。
  7. 根据权利要求2所述的方法，其中，所述寻呼消息和所述系统消息中的至少一项为SFN特有的。
  8. 根据权利要求7所述的方法，其中，所述寻呼消息和所述系统消息为SFN特有的；或者，
    所述寻呼消息为SFN特有的，所述系统消息为小区或传输接收点特有的；或者，
    所述寻呼消息为小区或传输接收点特有的，所述系统消息为SFN特有的；或者，
    所述寻呼消息包括SFN特有的寻呼消息，以及小区或传输接收点特有的寻呼消息；或者，
    所述系统消息包括SFN特有的系统消息，以及小区或传输接收点特有的系统消息。
  9. 根据权利要求2所述的方法，其中，所述向所述网络侧设备发起随机接入，包括：
    在所述系统消息指示有SFN特有的随机接入资源的情况下，所述终端使用所述随机接入资源向所述网络侧设备发起随机接入。
  10. 根据权利要求1至9中任一项所述的方法，其中，所述第一参考信号的资源与所述第二参考信号的资源彼此独立；或者，
    所述第一参考信号的资源是所述第二参考信号的资源的子集。
  11. 根据权利要求1至9中任一项所述的方法，其中，所述第一参考信号和所述第二参考信号存在以下关系中的至少一项：
    所述第一参考信号和所述第二参考信号分别映射在不同的时域资源上；
    所述第一参考信号和所述第二参考信号分别映射在不同的码域资源上；
    所述第一参考信号和所述第二参考信号分别映射在不同的频域资源上。
  12. 根据权利要求1至9中任一项所述的方法，其中，所述终端通过参考信号标识符、物理小区标识符、频域配置信息、时域配置信息和码域配置信息中的至少一项识别所述第一参考信号。
  13. 根据权利要求12所述的方法，其中，第一物理小区标识符与第二物理小区标识符相同；或者，
    所述第一物理小区标识符与所述第二物理小区标识符彼此独立，所述第一物理小区标识符和所述第二物理小区标识符中的至少之一用于所述终端识别所在的小区或传输接收点；
    其中，所述第一物理小区标识符为SFN特有的物理小区标识符，或者，所述第二物理小区标识符为小区或传输接收点特有的小区或传输接收点的物理小区标识符。
  14. 根据权利要求13所述的方法，其中，所述第一物理小区标识符通过系统消息由所述网络侧设备发送给所述终端。
  15. 根据权利要求13所述的方法，其中，若SFN特有的小区与小区或传输接收点特有的小区部署在相同的频率，则所述第一物理小区标识符与所述第二物理小区标识符不同；或者，
    若SFN特有的小区与小区或传输接收点特有的小区部署在不同的频率，则所述第一物理小区标识符与所述第二物理小区标识符相同或者不同。
  16. 根据权利要求1至9中任一项所述的方法，其中，若网络部署有高频范围和低频范围，则SFN特有的小区包括所述低频范围内的小区，小区或传输接收点特有的小区包括所述高频范围内的小区；或者，
    若网络包括卫星通信网络，则SFN特有的小区包括高空平台站小区或高轨卫星小区，小区或传输接收点特有的小区包括低轨卫星小区或地面基站覆盖的小区。
  17. 根据权利要求2至9中任一项所述的方法，其中，在所述接收所述网络侧设备发送的寻呼消息之前，所述方法还包括以下至少一项：
    向所述网络侧设备发送上行信号，所述上行信号用于指示所述终端标识或所述终端所在组标识；
    接收所述网络侧设备发送的提前指示信号，所述提前指示信号包括唤醒信号WUS、睡眠信号GTS、节能PS-RNTI加扰的下行控制信息DCP和预指示中的至少一项，所述提前指示信号用于指示终端在后续若干个非连续接收DRX周期内是否接收寻呼消息和/或寻呼消息对应的PDCCH，或者用于指示是否有所述终端或终端所在组的寻呼消息。
  18. 根据权利要求17所述的方法，其中，在所述向所述网络侧设备发送上行信号之后，所述方法还包括：
    接收所述网络侧设备发送的响应消息，所述响应消息用于指示以下至少之一：
    所述网络侧设备接收到所述上行信号的反馈；
    是否存在所述终端或所述终端所在组的寻呼消息。
  19. 根据权利要求18所述的方法，其中，所述响应消息携带有所述提前指示信号和指示信息中的至少一项，其中，所述指示信息用于指示接收所述寻呼消息的传输接收点信息。
  20. 根据权利要求18所述的方法，其中，所述提前指示信号为SFN特有的，或者为小区或传输接收点特有的；或者，
    所述响应消息为SFN特有的，或者为小区或传输接收点特有的。
  21. 根据权利要求1至9中任一项所述的方法，其中，所述参考信号包括同步信号块SSB、CSI参考信号CSI-RS、小区参考信号CRS、探测参考信号SRS、解调参考信号DMRS中的至少一项。
  22. 根据权利要求1至9中任一项所述的方法，还包括：
    获取SFN相关的配置信息，所述SFN相关的配置信息包括SFN特有的参考信号、SFN特有的系统信息、SFN特有的寻呼消息、SFN随机接入信道中的至少一项。
  23. 根据权利要求22所述的方法，其中，所述终端通过系统广播、RRC专用消息、寻呼消息中的至少一项获取所述SFN相关的配置信息。
  24. 根据权利要求1所述的方法，还包括：
    若终端不支持SFN，则所述终端将SFN特有的小区当作禁止接入的小区。
  25. 一种网络接入装置，包括：
    第一接收模块，用于接收网络侧设备发送的参考信号；所述参考信号包括第一参考信号，或者包括第一参考信号和第二参考信号；所述第一参考信号为单频网SFN特有的参考信号，或者，所述第二参考信号为小区或传输接收点特有的参考信号；
    执行模块，用于基于接收的所述参考信号，执行初始接入相关操作。
  26. 根据权利要求25所述的装置，其中，所述执行模块用于以下至少一项：
    进行小区选择或重选；
    接收所述网络侧设备发送的系统信息；
    接收所述网络侧设备发送的寻呼消息；
    接收所述网络侧设备发送的提前指示信息；
    向所述网络侧设备发起随机接入。
  27. 根据权利要求26所述的装置，其中，所述执行模块包括：
    测量子模块，用于对所述参考信号进行测量；
    选择子模块，用于根据测量结果，进行小区选择或重选；
    驻留子模块，用于根据小区选择或重选结果，所述终端驻留在第一小区或第二小区；所述第一小区为SFN特有的小区，或者，所述第二小区为小区或传输接收点特有的小区或传输接收点。
  28. 一种网络接入方法，应用于网络侧设备，包括：
    向终端发送参考信号；所述参考信号包括第一参考信号，或者包括第一参考信号和第二参考信号；所述第一参考信号为单频网SFN特有的参考信号，或者，所述第二参考信号为小区或传输接收点特有的参考信号。
  29. 根据权利要求28所述的方法，其中，在所述终端驻留在小区的情况下，所述方法还包括：
    在所述终端驻留的层级向所述终端发送系统信息；或者，
    在所述终端驻留的层级向所述终端发送寻呼消息；或者，
    在所述终端驻留的层级向所述终端发送提前指示信息；
    其中，若所述终端驻留在第一小区，则所述终端驻留的层级为第一层级；或者，若所述终端驻留在第二小区，则所述终端驻留的层级为第二层级；其中，所述第一小区为SFN特有的小区，所述第一层级为SFN层级，或者，所述第二小区为小区或传输接收点特有的小区或传输接收点，所述第二层级为小区层级或传输接收点层级。
  30. 根据权利要求28所述的方法，其中，在所述终端成功接入网络之后，所述方法还包括：
    向所述终端发送第三参考信号，所述第三参考信号为小区或传输接收点特有的参考信号。
  31. 根据权利要求30所述的方法，其中，所述第三参考信号通过SFN特有的系统消息发送，或者通过小区或传输接收点特有的系统消息发送，或者通过专用无线资源控制RRC信息发送，或者通过随机接入过程中的消息二或消息四发送。
  32. 根据权利要求29所述的方法，其中，所述寻呼消息和所述系统消息中的至少一项为SFN特有的。
  33. 根据权利要求32所述的方法，其中，所述寻呼消息和所述系统消息为SFN特有的；或者，
    所述寻呼消息为SFN特有的，所述系统消息为小区或传输接收点特有的；或者，
    所述寻呼消息为小区或传输接收点特有的，所述系统消息为SFN特有的；或者，
    所述寻呼消息包括SFN特有的寻呼消息，以及小区或传输接收点特有的寻呼消息；或者，
    所述系统消息包括SFN特有的系统消息，以及小区或传输接收点特有的系统消息。
  34. 根据权利要求28至33中任一项所述的方法，其中，所述第一参考信号的资源与所述第二参考信号的资源彼此独立；或者，
    所述第一参考信号的资源是所述第二参考信号的资源的子集。
  35. 根据权利要求28至33中任一项所述的方法，其中，所述第一参考信 号和所述第二参考信号存在以下关系中的至少一项：
    所述第一参考信号和所述第二参考信号分别映射在不同的时域资源上；
    所述第一参考信号和所述第二参考信号分别映射在不同的码域资源上；
    所述第一参考信号和所述第二参考信号分别映射在不同的频域资源上。
  36. 根据权利要求28至33中任一项所述的方法，其中，所述终端通过参考信号标识符、物理小区标识符、频域配置信息、时域配置信息和码域配置信息中的至少一项识别所述第一参考信号。
  37. 根据权利要求36所述的方法，其中，第一物理小区标识符与第二物理小区标识符相同；或者，
    所述第一物理小区标识符与所述第二物理小区标识符彼此独立，所述第一物理小区标识符和所述第二物理小区标识符中的至少之一用于所述终端识别所在的小区或传输接收点；
    其中，所述第一物理小区标识符为SFN特有的物理小区标识符，或者，所述第二物理小区标识符为小区或传输接收点特有的小区或传输接收点的物理小区标识符。
  38. 根据权利要求37所述的方法，其中，所述第一物理小区标识符通过系统消息由所述网络侧设备发送给所述终端。
  39. 根据权利要求37所述的方法，其中，若SFN特有的小区与小区或传输接收点特有的小区部署在相同的频率，则所述第一物理小区标识符与所述第二物理小区标识符不同；或者，
    若SFN特有的小区与小区或传输接收点特有的小区部署在不同的频率，则所述第一物理小区标识符与所述第二物理小区标识符相同或者不同。
  40. 根据权利要求28至33中任一项所述的方法，其中，若网络部署有高频范围和低频范围，则SFN特有的小区包括所述低频范围内的小区，小区或传输接收点特有的小区包括所述高频范围内的小区；或者，
    若网络包括卫星通信网络，则SFN特有的小区包括高空平台站小区或高轨卫星小区，小区或传输接收点特有的小区包括低轨卫星小区或地面基站覆盖的小区。
  41. 根据权利要求29至33中任一项所述的方法，其中，在向所述终端发 送寻呼消息之前，所述方法还包括以下至少一项：
    接收所述终端发送的上行信号，所述上行信号用于指示所述终端标识或所述终端所在组标识；
    向所述终端发送提前指示信号，所述提前指示信号包括唤醒信号WUS、睡眠信号GTS、DCP和预指示中的至少一项，所述提前指示信号用于指示终端在后续若干个非连续接收DRX周期内是否接收寻呼消息和/或寻呼消息对应的PDCCH，或者用于指示是否有所述终端或终端所在组的寻呼消息。
  42. 根据权利要求41所述的方法，其中，在所述接收所述终端发送的上行信号之后，所述方法还包括：
    向所述终端发送响应消息，所述响应消息用于指示以下至少之一：
    所述网络侧设备接收到所述上行信号的反馈；
    是否存在所述终端或所述终端所在组的寻呼消息。
  43. 根据权利要求42所述的方法，其中，所述响应消息携带有所述提前指示信号和指示信息中的至少一项，其中，所述指示信息用于指示接收所述寻呼消息的传输接收点信息。
  44. 根据权利要求42所述的方法，其中，所述提前指示信号为SFN特有的，或者为小区或传输接收点特有的；或者，
    所述响应消息为SFN特有的，或者为小区或传输接收点特有的。
  45. 根据权利要求28至33中任一项所述的方法，其中，所述参考信号包括同步信号块SSB、CSI参考信号CSI-RS、小区参考信号CRS、探测参考信号SRS、解调参考信号DMRS中的至少一项。
  46. 根据权利要求28至33中任一项所述的方法，还包括：
    向所述终端发送SFN相关的配置信息，所述SFN相关的配置信息包括SFN特有的参考信号、SFN特有的系统信息、SFN特有的寻呼消息、SFN随机接入信道中的至少一项。
  47. 根据权利要求46所述的方法，其中，所述网络侧设备通过系统广播、RRC专用消息、寻呼消息中的至少一项向所述终端发送所述SFN相关的配置信息。
  48. 根据权利要求28所述的方法，还包括：
    若所述终端不支持SFN，则禁止所述终端接入SFN特有的小区。
  49. 一种网络接入装置，包括：
    第一发送模块，用于向终端发送参考信号；所述参考信号包括第一参考信号，或者包括第一参考信号和第二参考信号；所述第一参考信号为单频网SFN特有的参考信号，或者，所述第二参考信号为小区或传输接收点特有的参考信号。
  50. 根据权利要求49所述的装置，还包括第二发送模块，用于：
    在所述终端驻留的层级向所述终端发送系统信息；或者，
    在所述终端驻留的层级向所述终端发送寻呼消息；或者，
    在所述终端驻留的层级向所述终端发送提前指示信息；
    其中，若所述终端驻留在所述第一小区，则所述终端驻留的层级为第一层级；或者，若所述终端驻留在所述第二小区，则所述终端驻留的层级为第二层级；其中，所述第一层级为SFN层级，所述第二层级为小区层级或传输接收点层级。
  51. 根据权利要求49所述的装置，还包括：
    第三发送模块，用于在所述终端成功接入网络之后，向所述终端发送第三参考信号，所述第三参考信号为小区或传输接收点特有的参考信号。
  52. 一种终端，包括处理器，存储器及存储在所述存储器上并可在所述处理器上运行的程序或指令，所述程序或指令被所述处理器执行时实现如权利要求1至24中任一项所述的网络接入方法的步骤。
  53. 一种网络侧设备，包括处理器，存储器及存储在所述存储器上并可在所述处理器上运行的程序或指令，所述程序或指令被所述处理器执行时实现如权利要求28至48中任一项所述的网络接入方法的步骤。
  54. 一种可读存储介质，所述可读存储介质上存储程序或指令，所述程序或指令被处理器执行时实现如权利要求1至24中任一项所述的网络接入方法的步骤，或者实现如权利要求28至48中任一项所述的网络接入方法的步骤。
  55. 一种芯片，包括处理器和通信接口，所述通信接口和所述处理器耦合，所述处理器用于运行程序或指令，实现如权利要求1至24中任一项所述的网 络接入方法的步骤，或者实现如权利要求28至48中任一项所述的网络接入方法的步骤。
  56. 一种计算机程序产品，存储在非易失性的可读存储介质中，所述计算机程序产品被至少一个处理器执行以实现如权利要求1至24中任一项所述的网络接入方法的步骤，或者实现如权利要求28至48中任一项所述的网络接入方法的步骤。
  57. 一种网络接入装置，用于执行如权利要求1至24中任一项所述的网络接入方法的步骤，或者如权利要求28至48中任一项所述的网络接入方法的步骤。
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