WO2023186083A1 - 发起bsc链路建立的方法、装置、设备和存储介质 - Google Patents

发起bsc链路建立的方法、装置、设备和存储介质 Download PDF

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Publication number
WO2023186083A1
WO2023186083A1 PCT/CN2023/085432 CN2023085432W WO2023186083A1 WO 2023186083 A1 WO2023186083 A1 WO 2023186083A1 CN 2023085432 W CN2023085432 W CN 2023085432W WO 2023186083 A1 WO2023186083 A1 WO 2023186083A1
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WIPO (PCT)
Prior art keywords
bsc
message
tag
link establishment
network
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PCT/CN2023/085432
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English (en)
French (fr)
Inventor
刘选兵
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维沃移动通信有限公司
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Publication of WO2023186083A1 publication Critical patent/WO2023186083A1/zh

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup

Definitions

  • This application belongs to the field of communication technology, and specifically relates to a method, device, equipment and storage medium for initiating BSC link establishment.
  • Backscatter Communication means that backscatter communication equipment uses radio frequency signals from other devices or the environment to perform signal modulation to transmit its own information.
  • Backscatter technology is a passive or low-energy technology. Its technical feature is that it can complete the transmission of its own signal by changing the characteristics of the received environmental radio frequency signal, such as phase or amplitude information, achieving extremely low power. Information transmission with low or zero power consumption.
  • Embodiments of the present application provide a method, device, equipment and storage medium for initiating backscatter communication BSC link establishment, which can solve the problem of how to initiate BSC link establishment under various cellular network architectures.
  • a method for initiating the establishment of a backscatter communication BSC link is provided, which is applied to the backscatter communication BSC system.
  • the method includes:
  • the backscatter communication terminal device BSC TAG sends a Tag request to the first device, where the Tag request is used to initiate BSC link establishment.
  • a method for initiating the establishment of a backscatter communication BSC link is provided, which is applied to the backscatter communication BSC system.
  • the method includes:
  • the first device receives the Tag request sent by the backscatter communication terminal device BSC TAG, where the Tag request is used to initiate BSC link establishment;
  • the first device initiates BSC link establishment according to the Tag request.
  • a device for initiating BSC link establishment including:
  • a sending module configured to send a Tag request to the first device, where the Tag request is used to initiate BSC link establishment.
  • the fourth aspect provides a device for initiating BSC link establishment, including:
  • a receiving module configured to receive a Tag request sent by the backscatter communication terminal equipment BSC TAG, where the Tag request is used to initiate BSC link establishment;
  • a processing module configured to initiate BSC link establishment according to the Tag request.
  • a backscatter communication terminal equipment BSC TAG includes a processor and a memory.
  • the memory stores programs or instructions that can be run on the processor.
  • the program or instructions are used by the processor. When executed by the processor, the steps of the method described in the first aspect are implemented.
  • a BSC TAG including a processor and a communication interface, wherein the communication interface is used to send a Tag request to the first device, and the Tag request is used to initiate BSC link establishment.
  • a first device in a seventh aspect, includes a processor and a memory.
  • the memory stores programs or instructions executable on the processor. The programs or instructions are executed by the processor. When implementing the steps of the method described in the second aspect.
  • a first device including a processor and a communication interface, wherein the communication interface is used to receive a Tag request sent by a backscatter communication terminal device BSC TAG, and the Tag request is used to initiate a BSC chain Link establishment; the processor is configured to initiate BSC link establishment according to the Tag request.
  • a system for initiating BSC link establishment including: BSC TAG and a first device.
  • the BSC TAG can be used to perform the steps of the method for initiating BSC link establishment as described in the first aspect, so
  • the first device may be configured to perform the steps of the method for initiating BSC link establishment as described in the second aspect.
  • a readable storage medium In a tenth aspect, a readable storage medium is provided. Programs or instructions are stored on the readable storage medium. When the programs or instructions are executed by a processor, the steps of the method described in the first aspect are implemented, or the steps of the method are implemented as described in the first aspect. The steps of the method described in the second aspect.
  • a chip in an eleventh aspect, includes a processor and a communication interface.
  • the communication interface is coupled to the processor.
  • the processor is used to run programs or instructions to implement the method described in the first aspect. method, or implement a method as described in the second aspect.
  • a computer program/program product is provided, the computer program/program product is stored in a storage medium, and the computer program/program product is executed by at least one processor to implement as described in the first aspect
  • the BSC TAG can send a Tag request to the first device.
  • the Tag request is used to initiate BSC link establishment, so that the operation of the BSC TAG initiating BSC link establishment can be flexibly supported in various cellular network architectures. .
  • Figure 1 shows a block diagram of a wireless communication system to which embodiments of the present application are applicable
  • Figure 2 is a schematic diagram of a possible application scenario of BSC
  • Figure 3 is a schematic diagram of MBCS
  • Figure 4 is a schematic diagram of BBCS
  • Figure 5 is a schematic diagram of the cellular network architecture of BSC
  • Figure 6 is another schematic diagram of the cellular networking architecture of BSC
  • Figure 7 is another schematic diagram of the cellular networking architecture of BSC
  • Figure 8 is another schematic diagram of the cellular networking architecture of BSC
  • Figure 9 is another schematic diagram of the cellular networking architecture of BSC.
  • Figure 10 is another schematic diagram of the cellular networking architecture of BSC
  • Figure 11 is another schematic diagram of the cellular networking architecture of BSC
  • Figure 12 is another schematic diagram of the cellular networking architecture of BSC
  • Figure 13 is a schematic flow chart of a method for initiating BSC link establishment provided by this application.
  • Figure 14 is a schematic flow chart of another method for initiating BSC link establishment provided by this application.
  • Figure 15 is a signaling diagram of a method for initiating BSC link establishment provided by this application.
  • Figure 16 is one of the structural schematic diagrams of a device for initiating BSC link establishment provided by this application.
  • Figure 17 is the second structural schematic diagram of the device for initiating BSC link establishment provided by this application.
  • Figure 18 is a schematic structural diagram of the communication device provided by this application.
  • Figure 19 is a schematic diagram of the hardware structure of a terminal that implements an embodiment of the present application.
  • Figure 20 is a schematic diagram of the hardware structure of a network-side device that implements an embodiment of the present application.
  • first, second, etc. in the description and claims of this 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 terms 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 that "first" and “second” are distinguished objects It is usually one type, and the number of objects is not limited.
  • the first object can 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 related objects are in an "or” relationship.
  • LTE Long Term Evolution
  • LTE-Advanced LTE-A
  • CDMA Code Division Multiple Access
  • TDMA Time Division Multiple Access
  • FDMA Frequency Division Multiple Access
  • OFDMA Orthogonal Frequency Division Multiple Access address
  • SC-FDMA single-carrier frequency division multiple access
  • system and “network” in the embodiments of this 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
  • the following description describes a New Radio (NR) system for example purposes, and NR terminology is used in much of the following description, but these techniques can also be applied to applications other than NR system applications, such as 6th Generation , 6G) communication system.
  • NR New Radio
  • FIG. 1 shows a block diagram of a wireless communication system to which embodiments of the present application are applicable.
  • the wireless communication system includes a terminal 11 and a network side device 12.
  • 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 assistant (Personal Digital Assistant, PDA), a palmtop computer, a netbook, or a super mobile personal computer.
  • Tablet Personal Computer Tablet Personal Computer
  • laptop computer laptop computer
  • PDA Personal Digital Assistant
  • PDA Personal Digital Assistant
  • UMPC ultra-mobile personal computer
  • UMPC mobile Internet device
  • MID mobile Internet Device
  • AR augmented reality
  • VR virtual reality
  • robots wearable devices
  • V vehicle-mounted equipment
  • P pedestrian terminal
  • smart home home equipment with wireless communication functions, such as refrigerators, TVs, washing machines or furniture, etc.
  • PC personal computers
  • teller machines or self-service Terminal devices such as mobile phones
  • wearable devices include: smart watches, smart bracelets, smart headphones, smart glasses, smart jewelry (smart bracelets, smart bracelets, smart rings, smart necklaces, smart anklets, smart anklets, etc.), Smart wristbands, smart clothing, etc.
  • the network side device 12 may include an access network device or a core network device, where the access network device 12 may also be called a radio access network device, a radio access network (Radio Access Network, RAN), a radio access network function or Wireless access network unit.
  • the access network device 12 may include a base station, a WLAN access point or a WiFi node, etc.
  • the base station may be called a Node B, an evolved Node B (eNB), an access point, a Base Transceiver Station (BTS), Radio base station, radio transceiver, Basic Service Set (BSS), Extended Service Set (ESS), Home Node B, Home Evolved Node B, Transmitting Receiving Point (TRP) or Some other appropriate terminology in the field, as long as the same technical effect is achieved, the base station is not limited to specific technical terms. It should be noted that in the embodiment of this application, only the base station in the NR system is used as an example for introduction. The specific type of base station is not limited.
  • BSC means that backscatter communication equipment uses radio frequency signals from other devices or the environment to perform signal modulation to transmit its own information.
  • Backscatter communication equipment (BSC TAG, also known as BSC UE) can be a Tag in traditional radio frequency identification (Radio Frequency Identification, RFID), or a passive Internet of Things (IoT) (Passive-IoT) )equipment.
  • RFID Radio Frequency Identification
  • IoT passive Internet of Things
  • Backscatter technology is a passive or low-energy technology. Its technical feature is that it can complete the transmission of its own signal by changing the characteristics of the received environmental radio frequency signal, such as phase or amplitude information, achieving extremely low power. Information transmission with low or zero power consumption.
  • backscatter communication equipment can be divided into three modes: completely passive (Passive), semi-passive (Semi-passive) and active (active).
  • BSC TAG For passive backscatter communication, BSC TAG first obtains energy (Energy harvesting) from external electromagnetic waves and supplies internal channel coding and modulation circuit modules to work. At the same time, it reflects and scatters RF signals for communication, thereby achieving zero power. consume communication.
  • FIG 2 is a schematic diagram of a possible application scenario of BSC.
  • Figure 2 shows that the terminal serves as a backscatter control device (Reader) and is connected to smart glasses as a backscatter communication device (Tag).
  • the backscatter communication device (Tag) collects the energy of the signal sent by the terminal or the energy provided by the dedicated device, and transmits the information b(t) of the backscatter communication device (Tag) by reflecting the signal x(t) sent by the terminal.
  • backscatter communication From the architecture of backscatter communication, it can be divided into monostatic backscatter communication system (MBCS), bistatic backscatter communication system (Bistatic backscatter communicaiton systems, BBCS) and environmental backscatter communication system (Ambient backscatter communication systems, ABCS).
  • MCS monostatic backscatter communication system
  • Bistatic backscatter communicaiton systems BBCS
  • environmental backscatter communication system Ambient backscatter communication systems, ABCS.
  • FIG. 3 is a schematic diagram of MBCS.
  • the MBCS system includes a BSC transmitter (such as Tag) and a reader.
  • the reader contains a radio frequency identification (RF) radio frequency source and a BSC receiver.
  • the RF radio frequency source is used to generate RF radio frequency signals to power the BSC transmitter/Tag.
  • the BSC transmitter backscatters the modulated RF signal, and the BSC receiver in the Reader receives the backscattered signal and demodulates the signal. Since the RF source and BSC receiver are in the same device, such as the reader, it is called a single-station backscatter communication system.
  • the MBCS system because the RF radio frequency signal sent from the BSC transmitter will undergo the double far-near effect caused by the signal attenuation of the round-trip signal, the energy of the signal is attenuated greatly. Therefore, the MBCS system is generally used for short-distance backscatter communication. For example, traditional Radio Frequency Identification (RFID) applications.
  • RFID Radio Frequency Identification
  • Figure 4 is a schematic diagram of BBCS.
  • the RF source and BSC receiver in the BBCS system are separated. Therefore, BBCS avoids the problem of large round-trip signal attenuation.
  • the performance of the BBCS communication system can be further improved by reasonably placing the RF source.
  • ambient backscatter communication ABCS is also a type of bistatic backscatter communication, but the radio frequency source in the BBCS system is a dedicated signal radio frequency source.
  • the radio frequency source can be a radio frequency source in the available environment, such as: TV tower, cellular base station, wireless fidelity (Wireless Fidelity, WiFi) signal, Bluetooth signal, etc.
  • the backscatter communication cellular network architecture can be divided into multiple architectures as shown in Figure 5 to Figure 12 based on the differences in radio frequency sources, uplink data transmission, and downlink data transmission.
  • the BSC system does not contain auxiliary equipment.
  • the BSC system contains auxiliary equipment.
  • FIG. 5 is a schematic diagram of the BSC cellular network architecture.
  • the network side device is the radio frequency source and is also the downlink data transmitter of the BSC TAG and the BSC TAG
  • the uplink data receiving end that is, the network side device communicates directly with the BSC TAG at this time.
  • this deployment architecture has high requirements on the receiving sensitivity of network-side equipment and BSC TAG, but the architecture is simple to deploy.
  • FIG 6 is another schematic diagram of the cellular networking architecture of BSC.
  • the network side device is the radio frequency source, but at this time there is a Helper or relay device Relay is used to relay uplink data from BSC TAG to network-side equipment; of course, Helper or Relay can also relay downlink data from network-side equipment to BSC TAG.
  • FIG 7 is another schematic diagram of the cellular networking architecture of BSC.
  • the network side device is the radio frequency source, and the network side device directly transmits downlink data to the BSC TAG; in uplink transmission, the BSC TAG first backscatters the data to the terminal, and then the terminal forwards the data to the network side device.
  • FIG 8 is another schematic diagram of the cellular networking architecture of BSC.
  • the terminal in this architecture (hereinafter referred to as architecture 3-1b), the terminal is the radio frequency source, and the network side device directly transmits downlink data to the BSC TAG; in uplink transmission, BSC TAG first backscatters data to the terminal, and then the terminal forwards the data to the network side device.
  • FIG 9 is another schematic diagram of the cellular network architecture of BSC.
  • the radio frequency source is the network side device, and the downlink data is sent down first by the network side device. It is sent to the terminal, and then forwarded by the terminal to the BSC TAG; in the uplink transmission, the BSC TAG directly transmits the signal in reverse direction to the network side equipment.
  • FIG 10 is another schematic diagram of the cellular network architecture of BSC.
  • the radio frequency source is the terminal, and the downlink data is first sent to the network side device.
  • the terminal then forwards it to the BSC TAG; in uplink transmission, the BSC TAG directly transmits the signal in reverse direction to the network side equipment.
  • FIG 11 is another schematic diagram of the cellular network architecture of BSC.
  • the radio frequency source is the network side device, and the downlink data is sent down first by the network side device.
  • FIG 12 is another schematic diagram of the cellular network architecture of BSC.
  • the radio frequency source is the terminal, and the downlink data is first sent to the network side device.
  • the terminal then forwards it to the BSC TAG; in uplink transmission, the BSC TAG first backscatters the data to the terminal, and then the terminal forwards the data to the network side device.
  • the uplink data link, downlink data link and energy supply method are as shown in Table 1 below:
  • terminals, Helpers, relay equipment and other devices can all be used as terminals to assist in networking (as shown in Figure 6- Figure 12).
  • the terminal has at least one of the following capabilities: : Supports supplying energy to BSC TAG, forwarding uplink data to network side equipment, or forwarding downlink data to BSC TAG, etc.
  • the BSC TAG can send a Tag request to the first device, and the Tag request is used to initiate BSC link establishment. Therefore, in each cellular organization architecture, the operation of BSC TAG initiating BSC link establishment can be flexibly supported. In addition, since in the architectures shown in Figures 7 to 12, the terminal does not need to actively monitor, it only forwards uplink data and/or downlink data after detecting that the BSC TAG initiates BSC link establishment, which can reduce Terminal power consumption.
  • BSC communication BSC link establishment, BSC connection, BSC data transmission, etc. described in the embodiments of this application all include BSC communication-based signaling between the BSC TAG and the terminal or network side device. Operations such as interaction and or data transfer.
  • Establishing a BSC link also refers to establishing an uplink and/or downlink between the BSC TAG and the terminal or network side equipment.
  • Figure 13 is a schematic flowchart of a method for initiating BSC link establishment provided by this application.
  • the method for initiating BSC link establishment provided by the embodiment of this application will be described below with reference to Figure 13 .
  • the method includes:
  • Step 1301 The backscatter communication terminal device BSC TAG sends a Tag request to the first device, and the Tag request is used to initiate BSC link establishment.
  • the first device can be a network side device or a terminal.
  • BSC TAG sends a Tag request to the first device to initiate BSC link establishment.
  • the above Tag request includes at least one of the following information: instruction information indicating the establishment of a BSC connection; instruction information indicating initiating BSC uplink establishment; instruction information indicating initiating BSC downlink establishment; indicating initiating BSC uplink establishment. Instruction information for data forwarding; instruction initiation BSC downlink data forwarding indication information; indication information indicating the uplink connection mode; indication information indicating the downlink connection mode.
  • both the indication information indicating the uplink connection mode and the indication information indicating the downlink connection mode can be indication information indicating that the BSC TAG is directly connected to the network side device.
  • the indication information indicating the uplink connection mode can also be understood as BSC TAG connecting to the network through the terminal or through the relay device.
  • the instruction information for the uplink connection of the network side device and the instruction information for the downlink connection mode can also be understood as the instruction information for the direct connection between the network side device and the BSC TAG.
  • the indication information indicating the uplink connection mode can also be understood as the indication information indicating the direct connection between the BSC TAG and the network side device, and the indication information indicating the downlink connection mode.
  • the information can also be understood as the instruction information for the network side device to connect to the BSC TAG through the terminal or through the relay device.
  • the indication information indicating the uplink connection mode can also be understood as the indication information that the BSC TAG connects to the network side device through the terminal or through the relay device.
  • the instruction information indicating the downlink connection mode can also be understood as the instruction information for the network side device to connect to the BSC TAG through the terminal or through the relay device.
  • BSC link establishment can be initiated under different architectures based on the indication information in the Tag request.
  • the BSC TAG receives the first network message sent by the network-side device.
  • the first network message is used to instruct the network-side device to confirm the BSC Link establishment; wherein, auxiliary equipment includes terminals or relay equipment.
  • the network side device is the radio frequency source, and is also the downlink data sending end of the BSC TAG and the uplink data receiving end of the BSC TAG. That is, at this time, the network side device directly communicates with the BSC TAG communication. That is, if the BSC system does not include auxiliary equipment, the BSC TAG will send a Tag request to the network side equipment, and the Tag request is used to initiate BSC link establishment. After receiving the Tag request, the network side device will send a first network message to the BSC TAG. The first network message is used to instruct the network side device to confirm the establishment of the BSC link. It should be understood that the first network The message is used to instruct the network side device to confirm the BSC link establishment, and can also be understood as used to instruct the network side device to confirm the Tag request.
  • the network side device after receiving the Tag request sent by the BSC TAG, the network side device will return the first network message to the BSC TAG, thereby confirming the establishment of the BSC link. This can be initiated in the BSC system that does not include auxiliary equipment. The BSC link is established.
  • the above-mentioned first network message includes at least one of the following information: BSC link establishment confirmation information and BSC transmission mode information, wherein the BSC transmission mode information includes at least one of the following information: BSC transmission Start time, BSC transmission duration, BSC pause duration and BSC transmission period.
  • the confirmation information of the BSC link establishment is used to confirm the establishment of the BSC connection or to confirm the start of the transmission of BSC uplink data or BSC downlink data.
  • the transmission duration of BSC includes the duration of sending data, or the duration of receiving data, or the duration of sending and receiving data.
  • the intermittent duration of BSC can be understood as the length of time when data is not transmitted, or it can also be understood as the waiting time for a response message after data is sent or the waiting time between two data sendings.
  • the first network message includes at least one of the BSC link establishment confirmation information and the BSC transmission mode information, which can provide information for subsequent data transmission on the BSC link, so that the BSC can be performed normally. Data transmission on the link.
  • the BSC TAG After initiating BSC link establishment, the BSC TAG will receive data sent by the network side device based on the information in the first network message. In addition, it can also send data to the network side device based on the information in the first network message.
  • the Tag request is also used to instruct the auxiliary device to send a first message to the network side device, and the first message is used to indicate to the network side device BSC TAG initiates BSC link establishment, in which auxiliary equipment includes terminals or relay equipment.
  • the BSC system includes auxiliary equipment, And the BSC TAG sends a Tag request to the auxiliary device.
  • the auxiliary device monitors the messages sent by the BSC TAG. After the auxiliary device receives the Tag request sent by the BSC TAG, it sends a first message to the network side device. The first message is used to instruct the network side device that the BSC TAG initiates BSC link establishment.
  • the first message is used to instruct the network side device that the BSC TAG initiates BSC link establishment, and may also be used to request the network side device to establish a BSC connection or perform BSC link establishment.
  • the first message may be a UE request message.
  • the auxiliary device after receiving the Tag request sent by the BSC TAG, the auxiliary device will return the first message to the BSC TAG, thereby initiating the BSC link establishment.
  • the BSC link can be initiated in the BSC system containing the auxiliary device. Establish.
  • the first message is a Radio Resource Control (Radio Resource Control, RRC) connection establishment request message.
  • RRC Radio Resource Control
  • the establishment reason field indicates the initiation of BSC link establishment.
  • the terminal in the IDLE state, the terminal initiates random access and sends a first message to the network side device.
  • the first message is an RRC connection establishment request message (RRC Setup Request message), and the establishment reason (establishment) in the RRC connection establishment request message is Cause) field indicates initiating BSC link establishment.
  • the first message is an RRC recovery message
  • the recovery reason field in the RRC recovery message indicates initiating BSC link establishment.
  • the terminal sends the first message to the network side device.
  • the first message is an RRC recovery message (RRC Resume Request message). Further, the Resume Cause field in the RRC recovery message indicates the initiation of BSC link establishment.
  • the first message is an uplink information transfer message
  • the uplink information transfer message includes information indicating the initiation of BSC link establishment.
  • the terminal in the RRC_CONNECTED state, the terminal sends the first message.
  • the first message is an uplink information transfer message, such as a UL InformationTransfer message.
  • the UL InformationTransfer message contains information used to indicate a BSC link establishment or connection establishment request.
  • the network side After the auxiliary device sends the first message to the network side device, the network side The device will send a third network message to the BSC TAG.
  • the third network message is used to instruct the network side device to confirm the establishment of the BSC link.
  • the third network message includes at least one of the following information: BSC link establishment confirmation information; BSC connection configuration information; BSC transmission mode information, where the BSC connection configuration information is used to indicate what the auxiliary device needs Radio Resource Control RRC configuration, which includes bearer information and physical resources.
  • the BSC transmission mode information includes at least one of the following information: BSC transmission start time, BSC transmission duration, BSC pause duration, and BSC transmission period.
  • the confirmation information of the BSC link establishment is used to confirm the establishment of the BSC connection or to confirm the start of the transmission of BSC uplink data or BSC downlink data.
  • the transmission duration of BSC includes the duration of sending data, or the duration of receiving data, or the duration of sending and receiving data.
  • the intermittent duration of BSC can be understood as the length of time when data is not transmitted, or it can also be understood as the waiting time for a response message after data is sent or the waiting time between two data sendings.
  • the first network message includes at least one of BSC link establishment confirmation information, BSC connection configuration information, and BSC transmission mode information, which can provide information for subsequent data transmission on the BSC link, thereby Data transmission on the BSC link can be performed normally.
  • the BSC TAG After receiving the third network message sent by the network side device, the BSC TAG starts BSC data transmission. For example, the BSC TAG receives the BSC data sent from the network side device and forwards it to the auxiliary device, or the auxiliary device receives the BSC TAG sent by the BSC TAG. The data is forwarded to the network side device.
  • the terminal is the radio frequency source, and the network side device directly transmits downlink data to the BSC TAG; while in uplink transmission, the BSC TAG first backscatters the data to the terminal. , and then the terminal forwards the data to the network side device.
  • the terminal starts to supply energy to the BSC TAG in any of the following situations: when receiving the Tag request sent by the BSC TAG; when When entering the connected state from the idle state or RRC inactive state; after sending the first message to the network side device; when receiving the second network message sent by the network side device.
  • the terminal is a radio frequency source, which can be understood as the terminal is a radio frequency source that can be used by BSC TAG for energy harvesting (Energy Harvest).
  • the BSC TAG can also send a Tag request to the first device when the terminal is not powered.
  • the terminal starts to supply energy to the BSC TAG under the above circumstances without actively monitoring the data transmission status of the BSC TAG, thereby saving the power consumption of the terminal.
  • the network side device sends the second message to the auxiliary device.
  • Network message where the second network message is used to instruct the network side device to confirm the establishment of the BSC link
  • the auxiliary device sends a second message to the BSC TAG based on the second network message, where the second message is used to instruct the auxiliary device to confirm the BSC link establishment.
  • the second message is used to instruct the auxiliary device to confirm the BSC link establishment, which can be understood as the second message is used to instruct the auxiliary device to confirm the Tag request.
  • the second network message includes at least one of the following information: BSC link establishment confirmation information; BSC connection configuration information; BSC transmission mode information.
  • the BSC connection configuration information is used to indicate the radio resource control RRC configuration required by the auxiliary device.
  • the BSC transmission mode information includes at least one of the following information: BSC transmission start time, BSC transmission duration, BSC intermittent Duration and BSC transmission cycle.
  • Confirmation information for BSC link establishment which is used to confirm the establishment of the BSC connection or confirm the start of the transmission of BSC uplink data or BSC downlink data.
  • the transmission duration of BSC includes the duration of sending data, or the duration of receiving data, or the duration of sending and receiving data.
  • the intermittent duration of BSC can be understood as the length of time when data is not transmitted, or it can also be understood as the waiting time for a response message after data is sent or the waiting time between two data sendings.
  • the first network message includes BSC link establishment confirmation information, BSC At least one of the connection configuration information and the transmission mode information of the BSC can provide information for subsequent data transmission on the BSC link, so that data transmission on the BSC link can be performed normally.
  • the BSC TAG After receiving the second message sent by the auxiliary device, the BSC TAG will start to establish the BSC link, that is, the auxiliary device receives the BSC data sent from the network side device and forwards the received BSC data to the BSC TAG, or, The auxiliary device receives the BSC data sent from the BSC TAG and forwards the received BSC data to the network side device.
  • the terminal is the radio frequency source, and the downlink data is first delivered to the terminal by the network side device, and then forwarded by the terminal to the BSC TAG; during uplink transmission, the BSC The TAG first backscatters data to the terminal, and then the terminal forwards the data to the network side device.
  • the terminal starts to power the BSC TAG in any of the following situations: when receiving the Tag request sent by the BSC TAG; when entering the connected state from the idle state or RRC inactive state; to the network side After the device sends the first message; after receiving the second network message sent by the network side device; after sending the second message to the BSC TAG.
  • the terminal is a radio frequency source, which can be understood as the terminal is a radio frequency source that can be used by BSC TAG for energy harvesting (Energy Harvest).
  • the BSC TAG can also send a Tag request to the first device when the terminal is not powered.
  • the terminal starts to supply energy to the BSC TAG under the above circumstances without actively monitoring the data transmission status of the BSC TAG, thereby saving the power consumption of the terminal.
  • the BSC TAG receives a third message sent by the auxiliary device in the BSC system, and the third message is used to instruct the auxiliary device to confirm the BSC chain.
  • the link is established; the third message is sent by the auxiliary device after receiving the fourth network message sent by the network side device.
  • the fourth network message is used to instruct the network side device to confirm that the BSC link is established, so
  • the auxiliary equipment includes terminal or relay equipment.
  • the BSC system includes auxiliary equipment, and the BSC TAG sends a Tag request to the network side device.
  • the network side device After receiving the Tag request sent by the BSC TAG, the network side device sends the fourth network message to the auxiliary device, The fourth network message is used to instruct the network side device to confirm the establishment of the BSC link, and the auxiliary device sends a third message to the BSC TAG. The third message is used to confirm the establishment of the BSC link.
  • the third message is used to confirm the establishment of the BSC link, which can be understood as the third message is used to instruct the auxiliary device to confirm the Tag request, or to instruct the BSC TAG to start BSC data transmission.
  • the fourth network message includes at least one of the following information: BSC link establishment confirmation information; BSC connection configuration information; BSC transmission mode information.
  • the BSC connection configuration information is used to indicate the radio resource control RRC configuration required by the auxiliary device.
  • the BSC transmission mode information includes at least one of the following information: BSC transmission start time, BSC transmission duration, BSC intermittent Duration and BSC transmission cycle.
  • Confirmation information for BSC link establishment which is used to confirm the establishment of the BSC connection or confirm the start of the transmission of BSC uplink data or BSC downlink data.
  • the transmission duration of BSC includes the duration of sending data, or the duration of receiving data, or the duration of sending and receiving data.
  • the intermittent duration of BSC can be understood as the length of time when data is not transmitted, or it can also be understood as the waiting time for a response message after data is sent or the waiting time between two data sendings.
  • the fourth network message includes at least one of BSC link establishment confirmation information, BSC connection configuration information, and BSC transmission mode information, which can provide information for subsequent data transmission on the BSC link, thereby Data transmission on the BSC link can be performed normally.
  • the BSC TAG After receiving the third message sent by the auxiliary device, the BSC TAG will start to establish the BSC link, that is, the auxiliary device receives the BSC data sent from the network side device and forwards the received BSC data to the BSC TAG, or, The BSC TAG receives data sent by the auxiliary device, or the BSC TAG sends BSC data to the network side device.
  • the terminal is the radio frequency source, and the downlink data is first delivered to the terminal by the network side device, and then forwarded by the terminal to the BSC TAG; during uplink transmission, the BSC TAG directly transmits signals in reverse direction to the network side device.
  • the terminal starts to supply energy to the BSC TAG under the following circumstances: upon receiving the fourth network message sent by the network side device.
  • the terminal is a radio frequency source, which can be understood as the terminal is available for BSC TAG to collect energy. (Energy Harvest) RF source.
  • the terminal starts to power the BSC TAG after receiving the fourth network message sent by the network side device, without actively monitoring the data transmission status of the BSC TAG, thereby saving the power consumption of the terminal.
  • the BSC TAG can send a Tag request to the first device.
  • the Tag request is used to initiate the BSC link establishment, so that the BSC TAG can be flexibly supported in various cellular network architectures. Initiate the operation of BSC data transmission.
  • FIG. 14 is a schematic flowchart of another method for initiating BSC link establishment provided by this application.
  • the method for initiating BSC link establishment provided by the embodiment of this application will be described below with reference to FIG. 14 .
  • the method includes:
  • Step 1401 The first device receives the Tag request sent by the backscatter communication terminal device BSC TAG.
  • Tag request is used to initiate BSC link establishment.
  • Step 1402 The first device initiates BSC link establishment according to the Tag request.
  • the first device initiates BSC link establishment according to the Tag request, including: the network-side device sends a first network message to the BSC TAG, The first network message is used to instruct the network side device to confirm the establishment of the BSC link; wherein the auxiliary device includes a terminal or a relay device.
  • the first device initiates BSC link establishment according to the Tag request, including: the auxiliary device sends a first message to the network side device.
  • a message is used to indicate to the network side device the BSC link establishment initiated by the BSC TAG; wherein the auxiliary device includes a terminal or a relay device.
  • the first message is also used to instruct the network side device to send a third network message to the BSC TAG, and the third network message is used to instruct the network side device to confirm the BSC link establishment.
  • the method further includes: the auxiliary device receiving a second network message sent by the network side device, the second network message being used to instruct the network side device to confirm the BSC link establishment; the auxiliary device The device sends a second message to the BSC TAG according to the second network message, and the The second message is used to instruct the auxiliary device to confirm the BSC link establishment.
  • the first device initiates BSC link establishment according to the Tag request, including: the network-side device Send a fourth network message to the auxiliary device.
  • the fourth network message is used to instruct the network side device to confirm the BSC link establishment. It is also used to instruct the auxiliary device to send a third message to the BSC TAG.
  • the fourth network message is used to instruct the network side device to confirm the BSC link establishment.
  • the third message is used to instruct the auxiliary device to confirm the establishment of the BSC link.
  • the auxiliary device includes a terminal or a relay device.
  • the Tag request includes at least one of the following information:
  • the first network message includes at least one of the following information:
  • Transmission mode information of the BSC which includes at least one of the following information: transmission start time of the BSC, transmission duration of the BSC, intermittent duration of the BSC, and transmission period of the BSC.
  • the auxiliary device is a terminal
  • the first message is an RRC connection establishment request message, and the establishment reason field in the RRC connection establishment request message indicates initiating BSC link establishment;
  • the first message is an RRC recovery message, and the recovery reason field in the RRC recovery message indicates initiating BSC link establishment;
  • the first message is an uplink information transfer message
  • the uplink information transfer message includes information used to indicate initiating BSC link establishment.
  • the second network message or the third network message includes at least one of the following information:
  • the BSC connection configuration information is used to indicate the radio resource control RRC configuration required by the auxiliary device;
  • Transmission mode information of the BSC which includes at least one of the following information: transmission start time of the BSC, transmission duration of the BSC, intermittent duration of the BSC, and transmission period of the BSC.
  • the auxiliary device is a terminal, and the terminal is a radio frequency source; the terminal starts to supply energy to the BSC TAG under any of the following circumstances:
  • the third network message includes at least one of the following information:
  • the BSC connection configuration information is used to indicate the radio resource control RRC configuration required by the auxiliary device;
  • Transmission mode information of the BSC which includes at least one of the following information: transmission start time of the BSC, transmission duration of the BSC, intermittent duration of the BSC, and transmission period of the BSC.
  • the auxiliary device is a terminal, and the terminal is a radio frequency source; the terminal starts to power the BSC TAG under the following circumstances:
  • the first device receives the Tag request sent by the backscatter communication terminal device BSC TAG, and initiates the BSC according to the Tag request.
  • the link is established. Therefore, under different cellular network architectures, the BSC TAG-initiated BSC data transmission operation can be flexibly supported.
  • Figure 15 is a signaling diagram of a method for initiating BSC link establishment provided by this application. As shown in Figure 15, the method includes:
  • Step 1501 BSC TAG sends a Tag request to the first device.
  • Tag request is used to initiate BSC link establishment.
  • Step 1502 The first device initiates BSC link establishment according to the Tag request.
  • the first device receives a Tag request sent by the backscatter communication terminal device BSC TAG, and initiates BSC link establishment according to the Tag request. Therefore, under different cellular network architectures, the operation of BSC TAG initiating BSC data transmission can be flexibly supported.
  • the execution subject may be a device that initiates BSC link establishment.
  • the method of initiating BSC link establishment is performed by a device that initiates BSC link establishment as an example to illustrate the device that initiates BSC link establishment provided by the embodiment of this application.
  • Figure 16 is one of the structural schematic diagrams of a device for initiating BSC link establishment provided by this application. As shown in Figure 16, the device provided in this embodiment for initiating BSC link establishment includes:
  • the sending module 11 is configured to send a Tag request to the first device, where the Tag request is used to initiate BSC link establishment.
  • the sending module 11 sends a Tag request to the first device.
  • the Tag request is used to initiate BSC link establishment. It can flexibly support BSC TAG initiating BSC data transmission under different cellular network architectures. operate.
  • the device further includes a receiving module 12;
  • the receiving module 12 is configured to receive the first network message sent by the network side device, where the first network message is used to instruct the network side device to confirm the BSC link establishment;
  • the auxiliary device includes a terminal or a relay device.
  • the Tag request is also used to instruct the auxiliary device to send a first message to the network side device, so The first message is used to instruct the BSC TAG to initiate BSC link establishment, and the auxiliary device includes a terminal or a relay device.
  • the receiving module 12 is also configured to receive a second message sent by the auxiliary device, where the second message is used to instruct the auxiliary device to confirm the establishment of the BSC link; the second message is the Sent after receiving the second network message sent by the network side device, the second network message is used to instruct the network side device to confirm the BSC link establishment; or
  • the receiving module 12 is also configured to receive a third network message sent by the network side device, where the third network message is used to instruct the network side device to confirm the BSC link establishment.
  • the receiving module is further configured to receive a third message sent by the auxiliary device in the BSC system, so The third message is used to instruct the auxiliary device to confirm the BSC link establishment; the third message is sent by the auxiliary device after receiving the fourth network message sent by the network side device.
  • the fourth network is used to instruct the network side device to confirm the BSC link establishment, and the auxiliary device includes a terminal or a relay device.
  • the Tag request includes at least one of the following information:
  • the first network message includes at least one of the following information:
  • Transmission mode information of the BSC which includes at least one of the following information: transmission start time of the BSC, transmission duration of the BSC, intermittent duration of the BSC, and transmission period of the BSC.
  • the auxiliary device is a terminal
  • the first message is an RRC connection establishment request message, and the establishment reason field in the RRC connection establishment request message indicates initiating BSC link establishment;
  • the first message is an RRC recovery message, and the recovery reason field in the RRC recovery message indicates initiating BSC link establishment;
  • the first message is an uplink information transfer message
  • the uplink information transfer message includes information used to indicate initiating BSC link establishment.
  • the second network message or the third network message includes at least one of the following information:
  • the BSC connection configuration information is used to indicate the radio resource control RRC configuration required by the auxiliary device;
  • Transmission mode information of the BSC which includes at least one of the following information: transmission start time of the BSC, transmission duration of the BSC, intermittent duration of the BSC, and transmission period of the BSC.
  • the auxiliary device is a terminal, and the terminal is a radio frequency source; the terminal starts to supply energy to the BSC TAG under any of the following circumstances:
  • the fourth network message includes at least one of the following information:
  • the BSC connection configuration information is used to indicate the radio resource control RRC configuration required by the auxiliary device;
  • Transmission mode information of the BSC which includes at least one of the following information: transmission start time of the BSC, transmission duration of the BSC, intermittent duration of the BSC, and transmission period of the BSC.
  • the auxiliary device is a terminal, and the terminal is a radio frequency source; the terminal starts to power the BSC TAG under the following circumstances:
  • the device of this embodiment can be used to execute the method of any of the aforementioned BSC TAG side method embodiments. Its specific implementation process and technical effects are similar to those in the BSC TAG side method embodiments. For details, please refer to BSC TAG side method implementation. The detailed introduction in the example will not be repeated here.
  • Figure 17 is the second structural schematic diagram of the device for initiating BSC link establishment provided by this application. As shown in Figure 17, the device provided in this embodiment for initiating BSC link establishment includes:
  • the receiving module 21 is used to receive a Tag request sent by the backscatter communication terminal equipment BSC TAG, where the Tag request is used to initiate BSC link establishment;
  • the processing module 22 is configured to initiate BSC link establishment according to the Tag request.
  • the receiving module 21 receives the Tag request sent by the backscatter communication terminal equipment BSC TAG, and the processing module 22 initiates the BSC link establishment according to the Tag request, thereby enabling the BSC link to be established in different cells.
  • the operation of BSC data transmission initiated by BSC TAG can be flexibly supported.
  • the processing module 22 is specifically used to:
  • the auxiliary device includes a terminal or a relay device.
  • the processing module 22 is specifically used to:
  • the auxiliary device sends a first message to the network side device, where the first message is used to instruct the BSC TAG to initiate BSC link establishment;
  • the auxiliary device includes a terminal or a relay device.
  • the first message is also used to instruct the network side device to send a third network message to the BSC TAG, and the third network message is used to instruct the network side device to confirm the BSC link establishment.
  • the device further includes: a sending module 23;
  • the receiving module 21 is also configured to receive a second network message sent by the network side device, where the second network message is used to instruct the network side device to confirm the BSC link establishment;
  • the sending module 23 is configured to send a second message to the BSC TAG according to the second network message, where the second message is used to instruct the auxiliary device to confirm the BSC link establishment.
  • the processing module 22 is specifically used to:
  • the fourth network message is used to instruct the network side device to confirm the BSC link establishment. It is also used to instruct the auxiliary device to send a third message to the BSC TAG. The fourth network message is used to instruct the network side device to confirm the BSC link establishment. The third message is used to instruct the auxiliary device to confirm the establishment of the BSC link.
  • the auxiliary device includes a terminal or a relay device.
  • the Tag request includes at least one of the following information:
  • the first network message includes at least one of the following information:
  • Transmission mode information of the BSC which includes at least one of the following information: transmission start time of the BSC, transmission duration of the BSC, intermittent duration of the BSC, and transmission period of the BSC.
  • the auxiliary device is a terminal
  • the first message is an RRC connection establishment request message, and the establishment reason field in the RRC connection establishment request message indicates initiating BSC link establishment;
  • the first message is an RRC recovery message, and the recovery reason field in the RRC recovery message indicates initiating BSC link establishment;
  • the first message is an uplink information transfer message
  • the uplink information transfer message includes information used to indicate initiating BSC link establishment.
  • the second network message or the third network message includes at least one of the following information:
  • the BSC connection configuration information is used to indicate the radio resource control RRC configuration required by the auxiliary device;
  • Transmission mode information of the BSC which includes at least one of the following information: transmission start time of the BSC, transmission duration of the BSC, intermittent duration of the BSC, and transmission period of the BSC.
  • the auxiliary device is a terminal, and the terminal is a radio frequency source; the terminal starts to supply energy to the BSC TAG under any of the following circumstances:
  • the third network message includes at least one of the following information:
  • the BSC connection configuration information is used to indicate the radio resource control RRC configuration required by the auxiliary device;
  • the BSC transmission mode information includes at least one of the following information: BSC transmission start time, BSC transmission duration, BSC intermission duration, and BSC transmission period.
  • the auxiliary device is a terminal, and the terminal is a radio frequency source; the terminal starts to power the BSC TAG under the following circumstances:
  • the first device receives a Tag request sent by the backscatter communication terminal device BSC TAG, and initiates BSC link establishment according to the Tag request. Therefore, under different cellular network architectures, the operation of BSC TAG initiating BSC data transmission can be flexibly supported.
  • the device of this embodiment can be used to execute the method of any of the aforementioned BSC TAG side method embodiments. Its specific implementation process and technical effects are similar to those in the BSC TAG side method embodiments. For details, please refer to BSC TAG side method implementation. The detailed introduction in the example will not be repeated here.
  • the device that initiates BSC link establishment in the embodiment of the present application may be an electronic device, such as an electronic device with an operating system, or may be a component in the electronic device, such as an integrated circuit or chip.
  • the electronic device may be a terminal or other devices other than the terminal.
  • terminals may include but are not limited to the types of terminals 11 listed above, and other devices may be servers, network attached storage (Network Attached Storage, NAS), etc., which are not specifically limited in the embodiment of this application.
  • NAS Network Attached Storage
  • the device for initiating BSC link establishment provided by the embodiment of the present application can realize the steps of Figure 13 to Figure 15 Each process implemented by the method embodiment achieves the same technical effect. To avoid duplication, it will not be described again here.
  • this embodiment of the present application also provides a communication device 1800, including a processor 1801 and a memory 1802.
  • the memory 1802 stores programs or instructions that can be run on the processor 1801, for example.
  • the communication device 1800 is a BSC TAG
  • the program or instruction is executed by the processor 1801
  • each step of the above method embodiment for initiating BSC link establishment is implemented, and the same technical effect can be achieved.
  • the communication device 1800 is the first device, when the program or instruction is executed by the processor 1801, each step of the above method embodiment for initiating BSC link establishment is implemented, and the same technical effect can be achieved. To avoid duplication, it will not be repeated here. Repeat.
  • the embodiment of the present application also provides a BSC TAG, which includes a processor and a communication interface.
  • the communication interface is used to send a Tag request to the first device, and the Tag request is used to initiate BSC link establishment.
  • This BSC TAG embodiment corresponds to the above-mentioned BSC TAG side method embodiment.
  • Each implementation process and implementation method of the above-mentioned method embodiment can be applied to this BSC TAG embodiment, and can achieve the same technical effect.
  • the communication interface receives the first network message sent by the network-side device, and the first network message is Instructing the network side device to confirm that the BSC link is established;
  • the auxiliary device includes a terminal or a relay device.
  • the Tag request is also used to instruct the auxiliary device to send a first message to the network side device, so The first message is used to instruct the BSC TAG to initiate BSC link establishment, and the auxiliary device includes a terminal or a relay device.
  • the communication interface receives a second message sent by the auxiliary device, the second message is used to instruct the auxiliary device to confirm the BSC link establishment; the second message is when the auxiliary device receives the Sent after the second network message sent by the network side device, the second network message is used to instruct the network side device to confirm the BSC link establishment; or
  • the communication interface receives a third network message sent by the network side device, and the third network message Used to instruct the network side device to confirm the establishment of the BSC link.
  • the communication interface receives a third message sent by the auxiliary device in the BSC system, and the third message Used to instruct the auxiliary device to confirm the establishment of the BSC link; the third message is sent by the auxiliary device after receiving the fourth network message sent by the network side device, and the fourth network message is used to indicate The network side device confirms that the BSC link is established, and the auxiliary device includes a terminal or a relay device.
  • the Tag request includes at least one of the following information:
  • the first network message includes at least one of the following information:
  • Transmission mode information of the BSC which includes at least one of the following information: transmission start time of the BSC, transmission duration of the BSC, intermittent duration of the BSC, and transmission period of the BSC.
  • the auxiliary device is a terminal
  • the first message is an RRC connection establishment request message, and the establishment reason field in the RRC connection establishment request message indicates initiating BSC link establishment;
  • the first message is an RRC recovery message, and the recovery reason field in the RRC recovery message indicates initiating BSC link establishment;
  • the first message is an uplink information transfer message
  • the uplink information transfer message includes information used to indicate initiating BSC link establishment.
  • the second network message or the third network message includes at least one of the following information:
  • the BSC connection configuration information is used to indicate the radio resource control RRC configuration required by the auxiliary device;
  • Transmission mode information of the BSC which includes at least one of the following information: transmission start time of the BSC, transmission duration of the BSC, intermittent duration of the BSC, and transmission period of the BSC.
  • the auxiliary device is a terminal, and the terminal is a radio frequency source; the terminal starts to supply energy to the BSC TAG under any of the following circumstances:
  • the fourth network message includes at least one of the following information:
  • the BSC connection configuration information is used to indicate the radio resource control RRC configuration required by the auxiliary device;
  • Transmission mode information of the BSC which includes at least one of the following information: transmission start time of the BSC, transmission duration of the BSC, intermittent duration of the BSC, and transmission period of the BSC.
  • the auxiliary device is a terminal, and the terminal is a radio frequency source; the terminal starts to power the BSC TAG under the following circumstances:
  • the radio frequency unit sends a Tag request to the first device, and the Tag request is used to initiate BSC link establishment.
  • BSC can be flexibly supported under different cellular network architectures.
  • TAG initiates the BSC data transmission operation.
  • Embodiments of the present application also provide a terminal, including a processor and a communication interface.
  • the communication interface is used to receive a Tag request sent by the backscatter communication terminal device BSC TAG.
  • the Tag request is used to initiate BSC link establishment; the processor is used to Initiate BSC link establishment according to the Tag request.
  • This terminal embodiment corresponds to the above-mentioned terminal-side method embodiment.
  • Each implementation process and implementation manner of the above-mentioned method embodiment can be applied to this terminal embodiment, and can achieve the same technical effect.
  • FIG. 19 is a schematic diagram of the hardware structure of a terminal that implements an embodiment of the present application.
  • the terminal 1900 includes but is not limited to: a radio frequency unit 1901, a network module 1902, an audio output unit 1903, an input unit 1904, a sensor 1905, a display unit 1906, a user input unit 1907, an interface unit 1908, a memory 1909, a processor 1910, etc. At least some parts.
  • the terminal 1900 may also include a power supply (such as a battery) that supplies power to various components.
  • the power supply may be logically connected to the processor 1910 through a power management system, thereby managing charging, discharging, and power consumption through the power management system. Management and other functions.
  • the terminal structure shown in Figure 19 does not constitute a limitation on the terminal.
  • the terminal may include more or fewer components than shown in the figure, or some components may be combined or arranged differently, which will not be described again here.
  • the input unit 1904 may include a graphics processing unit (Graphics Processing Unit, GPU) 19041 and a microphone 19042.
  • the graphics processor 19041 is responsible for the image capture device (GPU) in the video capture mode or the image capture mode. Process the image data of still pictures or videos obtained by cameras (such as cameras).
  • the display unit 1906 may include a display panel 19061, which may be configured in the form of a liquid crystal display, an organic light emitting diode, or the like.
  • the user input unit 1907 includes a touch panel 19071 and at least one of other input devices 19072 .
  • Touch panel 19071 also known as touch screen.
  • the touch panel 19071 may include two parts: a touch detection device and a touch controller.
  • Other input devices 19072 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 described again here.
  • the radio frequency unit 1901 can transmit it to the processor 1910 for processing; in addition, the radio frequency unit 1901 can send data to the network side device. Send uplink data.
  • the radio frequency unit 1901 includes, but is not limited to, an antenna, amplifier, transceiver, coupler, low noise amplifier, duplexer, etc.
  • Memory 1909 may be used to store software programs or instructions as well as various data.
  • the memory 1909 may mainly include a first storage area for storing programs or instructions and a second storage area for storing data, wherein the first storage area may store an operating system, an application program or instructions required for at least one function (such as a sound playback function, Image playback function, etc.) etc.
  • memory 1909 may include volatile memory or nonvolatile memory, or memory 1909 may include both volatile and nonvolatile memory.
  • non-volatile memory can be read-only memory (Read-Only Memory, ROM), programmable read-only memory (Programmable ROM, PROM), erasable programmable read-only memory (Erasable PROM, EPROM), electrically removable memory.
  • Volatile memory can be random access memory (Random Access Memory, RAM), static random access memory (Static RAM, SRAM), dynamic random access memory (Dynamic RAM, DRAM), synchronous dynamic random access memory (Synchronous DRAM, SDRAM), double data rate synchronous dynamic random access memory (Double Data Rate SDRAM, DDRSDRAM), enhanced synchronous dynamic random access memory (Enhanced SDRAM, ESDRAM), synchronous link dynamic random access memory (Synch link DRAM) , SLDRAM) and direct memory bus random access memory (Direct Rambus RAM, DRRAM).
  • RAM Random Access Memory
  • SRAM static random access memory
  • DRAM dynamic random access memory
  • synchronous dynamic random access memory Synchronous DRAM, SDRAM
  • Double data rate synchronous dynamic random access memory Double Data Rate SDRAM, DDRSDRAM
  • Enhanced SDRAM, ESDRAM synchronous link dynamic random access memory
  • Synch link DRAM synchronous link dynamic random access memory
  • SLDRAM direct memory bus random access memory
  • the processor 1910 may include one or more processing units; optionally, the processor 1910 integrates an application processor and a modem processor, where the application processor mainly handles operations related to the operating system, user interface, application programs, etc., Modem processors mainly process wireless communication signals, such as baseband processors. It can be understood that the above modem processor may not be integrated into the processor 1910.
  • the radio frequency unit 1901 receives the Tag request sent by the backscatter communication terminal equipment BSC TAG, and the Tag request is used to initiate BSC link establishment;
  • the processor 1910 initiates BSC link establishment according to the Tag request.
  • the radio frequency unit 1901 sends a first message to the network side device, where the first message is used to Instruct the BSC TAG to initiate BSC link establishment;
  • the auxiliary device includes a terminal or a relay device.
  • the first message is also used to instruct the network side device to send a third network message to the BSC TAG, and the third network message is used to instruct the network side device to confirm the BSC link establishment.
  • the radio frequency unit 1901 receives a second network message sent by the network side device, where the second network message is used to instruct the network side device to confirm the BSC link establishment;
  • the radio frequency unit 1901 sends a second message to the BSC TAG according to the second network message.
  • the second message is used to instruct the auxiliary device to confirm the BSC link establishment.
  • the Tag request includes at least one of the following information:
  • the first network message includes at least one of the following information:
  • Transmission mode information of the BSC which includes at least one of the following information: transmission start time of the BSC, transmission duration of the BSC, intermittent duration of the BSC, and transmission period of the BSC.
  • the first message is an RRC connection establishment request message
  • the establishment reason field in the RRC connection establishment request message indicates initiating BSC link establishment
  • the first message is an RRC recovery message, and the recovery reason field in the RRC recovery message indicates initiating BSC link establishment;
  • the first message is an uplink information transfer message
  • the uplink information transfer message includes information used to indicate initiating BSC link establishment.
  • the second network message or the third network message includes at least one of the following information:
  • the BSC connection configuration information is used to indicate the radio resource control RRC configuration required by the auxiliary device;
  • Transmission mode information of the BSC which includes at least one of the following information: transmission start time of the BSC, transmission duration of the BSC, intermittent duration of the BSC, and transmission period of the BSC.
  • the terminal is a radio frequency source; the terminal starts to supply energy to the BSC TAG under any of the following circumstances:
  • the radio frequency unit receives the Tag request sent by the backscatter communication terminal equipment BSC TAG, and the processor initiates BSC link establishment based on the Tag request. Therefore, under different cellular network architectures, the operation of BSC TAG initiating BSC data transmission can be flexibly supported.
  • Embodiments of the present application also provide a network-side device, including a processor and a communication interface.
  • the communication interface is used to receive a Tag request sent by the backscatter communication terminal device BSC TAG.
  • the Tag request is used to initiate BSC link establishment; processing
  • the controller is used to initiate BSC link establishment according to the Tag request.
  • This network-side device embodiment corresponds to the above-mentioned network-side device method embodiment.
  • Each implementation process and implementation manner of the above-mentioned method embodiment can be applied to this network-side device embodiment, and can achieve the same technical effect.
  • the embodiment of the present application also provides a network side device.
  • the network The side device 2000 includes: an antenna 201, a radio frequency device 202, a baseband device 203, a processor 204 and a memory 205.
  • the antenna 201 is connected to the radio frequency device 202.
  • the radio frequency device 202 receives information through the antenna 201 and sends the received information to the baseband device 203 for processing.
  • the baseband device 203 processes the information to be sent and sends it to the radio frequency device 202.
  • the radio frequency device 202 processes the received information and then sends it out through the antenna 201.
  • the method performed by the network side device in the above embodiment can be implemented in the baseband device 203, which includes a baseband processor.
  • the baseband device 203 may include, for example, at least one baseband board, which is provided with multiple chips, as shown in FIG. 20 .
  • One of the chips is, for example, a baseband processor, which is connected to the memory 205 through a bus interface to call the memory 205 .
  • the network side device may also include a network interface 206, which is, for example, a common public radio interface (CPRI).
  • a network interface 206 which is, for example, a common public radio interface (CPRI).
  • CPRI common public radio interface
  • the network side device 2000 in the embodiment of the present application also includes: instructions or programs stored in the memory 205 and executable on the processor 204.
  • the processor 204 calls the instructions or programs in the memory 205 to execute each of the steps shown in Figure 17
  • the method of module execution and achieving the same technical effect will not be described in detail here to avoid duplication.
  • the radio frequency device 202 sends a first network message to the BSC TAG, where the first network message is used to instruct the network side device to confirm the BSC link establishment;
  • the auxiliary device includes a terminal or a relay device.
  • the radio frequency device 202 sends a fourth network message to the auxiliary device.
  • the fourth network message is used to instruct the network side device to confirm the BSC link establishment, and is also used to instruct the auxiliary device to send a message to the BSC TAG.
  • the third message is used to instruct the auxiliary device to confirm the BSC link establishment, and the auxiliary device includes a terminal or a relay device.
  • the Tag request includes at least one of the following information:
  • the first network message includes at least one of the following information:
  • Transmission mode information of the BSC which includes at least one of the following information: transmission start time of the BSC, transmission duration of the BSC, intermittent duration of the BSC, and transmission period of the BSC.
  • the third network message includes at least one of the following information:
  • the BSC connection configuration information is used to indicate the radio resource control RRC configuration required by the auxiliary device;
  • Transmission mode information of the BSC which includes at least one of the following information: transmission start time of the BSC, transmission duration of the BSC, intermittent duration of the BSC, and transmission period of the BSC.
  • the terminal is a radio frequency source; the terminal starts to power the BSC TAG under the following circumstances:
  • the radio frequency device receives the Tag request sent by the backscatter communication terminal equipment BSC TAG, and the processor initiates BSC link establishment according to the Tag request. Therefore, under different cellular network architectures, the operation of BSC TAG initiating BSC data transmission can be flexibly supported.
  • Embodiments of the present application also provide a readable storage medium, with a program or instructions stored on the readable storage medium.
  • a program or instructions stored on the readable storage medium.
  • the processor is the processor in the terminal described in the above embodiment.
  • the readable storage medium includes computer readable storage media, such as computer read-only memory ROM, random access memory RAM, magnetic disk or optical disk, etc.
  • An embodiment of the present application further provides a chip.
  • the chip includes a processor and a communication interface.
  • the communication interface is coupled to the processor.
  • the processor is used to run programs or instructions to implement the above-mentioned initiating BSC link establishment.
  • chips mentioned in the embodiments of this application may also be called system-on-chip, system-on-a-chip, system-on-chip or system-on-chip, etc.
  • Embodiments of the present application further provide a computer program/program product.
  • the computer program/program product is stored in a storage medium.
  • the computer program/program product is executed by at least one processor to implement the above-mentioned initiating BSC link establishment.
  • Each process of the method embodiment can achieve the same technical effect. To avoid repetition, it will not be described again here.
  • Embodiments of the present application also provide a system for initiating BSC link establishment, including: a BSC TAG and a first device.
  • the BSC TAG can be used to perform the steps of the method for initiating BSC link establishment as described above.
  • the third A device may be configured to perform the steps of the method of initiating BSC link establishment as described above.
  • the methods of the above embodiments can be implemented by means of software plus the necessary general hardware platform. Of course, it 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 computer software product that is essentially or contributes to the existing technology.
  • the computer software product is stored in a storage medium (such as ROM/RAM, disk , CD), including several instructions to cause a terminal (which can be a mobile phone, computer, server, air conditioner, or network device, etc.) to execute the methods described in various embodiments of this application.

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Abstract

本申请公开了一种发起BSC链路建立的方法、装置、设备和存储介质，属于通信技术领域，本申请实施例的发起BSC链路建立的方法包括：反向散射通信终端设备BSC TAG向第一设备发送Tag请求，所述Tag请求用于发起BSC链路建立。

Description

发起BSC链路建立的方法、装置、设备和存储介质
相关申请的交叉引用
本申请要求于2022年03月31日提交的申请号为202210344550.X，发明名称为“发起BSC链路建立的方法、装置、设备和存储介质”的中国专利申请的优先权，其通过引用方式全部并入本申请。
技术领域
本申请属于通信技术领域，具体涉及一种发起BSC链路建立的方法、装置、设备和存储介质。
背景技术
反向散射通信(Backscatter Communication，BSC)是指反向散射通信设备利用其它设备或者环境中的射频信号进行信号调制来传输自己信息。反向散射(Backscatter)技术作为一种无源或者低耗能技术，其技术特点在于可以通过改变接收到的环境射频信号的特性，例如相位或幅度信息来完成自身信号的传输，实现极低功耗或零功耗的信息传送。
BSC存在多种蜂窝组网方式，在多种组网架构下，如何发起BSC数据传输，是目前亟待解决的技术问题。
发明内容
本申请实施例提供一种发起反向散射通信BSC链路建立的方法、装置、设备和存储介质，能够解决如何在多种蜂窝组网架构下，发起BSC链路建立的问题。
第一方面，提供了一种发起反向散射通信BSC链路建立的方法，应用于反向散射通信BSC系统，该方法包括：
反向散射通信终端设备BSC TAG向第一设备发送Tag请求，所述Tag请求用于发起BSC链路建立。
第二方面，提供了一种发起反向散射通信BSC链路建立的方法，应用于反向散射通信BSC系统，该方法包括：
第一设备接收反向散射通信终端设备BSC TAG发送的Tag请求，所述Tag请求用于发起BSC链路建立；
所述第一设备根据所述Tag请求发起BSC链路建立。
第三方面，提供了一种发起BSC链路建立的装置，包括：
发送模块，用于向第一设备发送Tag请求，所述Tag请求用于发起BSC链路建立。
第四方面，提供了一种发起BSC链路建立的装置，包括：
接收模块，用于接收反向散射通信终端设备BSC TAG发送的Tag请求，所述Tag请求用于发起BSC链路建立；
处理模块，用于根据所述Tag请求发起BSC链路建立。
第五方面，提供了一种反向散射通信终端设备BSC TAG，该BSC TAG包括处理器和存储器，所述存储器存储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BSC TAG，包括处理器及通信接口，其中，所述通信接口用于向第一设备发送Tag请求，所述Tag请求用于发起BSC链路建立。
第七方面，提供了一种第一设备，该第一设备包括处理器和存储器，所述存储器存储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二方面所述的方法的步骤。
第八方面，提供了一种第一设备，包括处理器及通信接口，其中，所述通信接口用于接收反向散射通信终端设备BSC TAG发送的Tag请求，所述Tag请求用于发起BSC链路建立；所述处理器用于根据所述Tag请求发起BSC链路建立。
第九方面，提供了一种发起BSC链路建立的系统，包括：BSC TAG及第一设备，所述BSC TAG可用于执行如第一方面所述的发起BSC链路建立的方法的步骤，所述第一设备可用于执行如第二方面所述的发起BSC链路建立的方法的步骤。
第十方面，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，或者实现如第二方面所述的方法的步骤。
第十一方面，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，或实现如第二方面所述的方法。
第十二方面，提供了一种计算机程序/程序产品，所述计算机程序/程序产品被存储在存储介质中，所述计算机程序/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发起BSC链路建立的方法的步骤，或者实现如第二方面所述的发起BSC链路建立的方法的步骤。
在本申请实施例中，BSC TAG可以向第一设备发送Tag请求，该Tag请求用于发起BSC链路建立，从而在各个蜂窝组网架构中可以灵活地支持BSC TAG发起BSC链路建立的操作。
附图说明
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；
图2为BSC的一种可能的应用场景示意图；
图3为MBCS示意图；
图4为BBCS示意图；
图5为BSC的蜂窝组网架构的一示意图；
图6为BSC的蜂窝组网架构的另一示意图；
图7为BSC的蜂窝组网架构的又一示意图；
图8为BSC的蜂窝组网架构的再一示意图；
图9为BSC的蜂窝组网架构的再一示意图；
图10为BSC的蜂窝组网架构的再一示意图；
图11为BSC的蜂窝组网架构的再一示意图；
图12为BSC的蜂窝组网架构的再一示意图；
图13为本申请提供的一种发起BSC链路建立的方法的流程示意图；
图14为本申请提供的另一种发起BSC链路建立的方法的流程示意图；
图15为本申请提供的一种发起BSC链路建立的方法的信令图；
图16是本申请提供的发起BSC链路建立的装置的结构示意图之一；
图17是本申请提供的发起BSC链路建立的装置的结构示意图之二；
图18是本申请提供的通信设备的结构示意图；
图19为实现本申请实施例的一种终端的硬件结构示意图；
图20为实现本申请实施例的一种网络侧设备的硬件结构示意图。
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术语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(Freqncy Division Multiple Access，FDMA)、正交频分多址(Orthogonal Freqncy Division Multiple Access，OFDMA)、单载波频分多址(Single-carrier Freqncy 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。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，但是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)、增强现实(augmented reality，AR)/虚拟现实(virtual reality，VR)设备、机器人、可穿戴式设备(Wearable Device)、车载设备(V)、行人终端(P)、智能家居(具有无线通信功能的家居设备，如冰箱、电视、洗衣机或者家具等)、游戏机、个人计算机(personal computer，PC)、柜员机或者自助机等终端侧设备，可穿戴式设备包括：智能手表、智能手环、智能耳机、智能眼镜、智能首饰(智能手镯、智能手链、智能戒指、智能项链、智能脚镯、智能脚链等)、智能腕带、智能服装等。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可以包括接入网设备或核心网设备，其中，接入网设备12也可以称为无线接入网设备、无线接入网(Radio Access Network，RAN)、无线接入网功能或无线接入网单元。接入网设备12可以包括基站、WLAN接入点或WiFi节点等，基站可被称为节点B、演进节点B(eNB)、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)、家用B节点、家用演进型B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系统中的基站为例进行介绍，并不限定基站的具体类型。
下面结合附图，通过一些实施例及其应用场景对本申请实施例提供的反向散射通信BSC数据传输方法、装置及设备进行详细地说明。
为了能更好的理解本申请实施例的方案，下面，先对BSC的相关内容进行介绍。
BSC是指反向散射通信设备利用其它设备或者环境中的射频信号进行信号调制来传输自己的信息。反向散射通信设备(BSC TAG，也可以称为BSC UE)，可以是传统射频识别(Radio Frequency Identification，RFID)中的Tag，或者是无源物联网(Internet of Things，IoT)(Passive-IoT)设备。
反向散射(Backscatter)技术作为一种无源或者低耗能技术，其技术特点在于可以通过改变接收到的环境射频信号的特性，例如相位或幅度信息来完成自身信号的传输，实现极低功耗或零功耗的信息传送。
从供能方式上来看，反向散射通信设备(BSC TAG)可以分为完全无源(Passive)、半无源(Semi-passive)和有源(active)三种方式。
对于无源反向散射通信来说，BSC TAG首先从外界电磁波中获取能量(Energy harvesting)，并供给内部的信道编码与调制等电路模块工作，同时在反射散射射频信号进行通信，从而实现零功耗通信。
对于半无源BSC TAG来说，其内部电路模块是通过其自身的电池供电，并反向散射射频信号进行通信。由于其内部电池只用于简单的信道编码与调制等内部电路模块工作，功耗很低，因此BSC TAG的电池寿命可以达到十年以上。外部来的射频信号全部都可以用于反向通信，而不用存储部分能量来进行供电。
对于有源BSC TAG来说，其内置的电池不仅用于信道编码与调制等简单的内部电路工作，也可以用于功率放大(Power Amplifier，PA)和低噪声放大(Low Noise Amplifier，LNA)等电路工作，因而可以实现更复杂的反向散射通信的信号调制与解调。
图2为BSC的一种可能的应用场景示意图，图2中示出了终端作为反向散射的控制设备(Reader)与作为反向散射通信设备(Tag)的智能眼镜连接。反向散射通信设备(Tag)收集终端发送信号的能量或专用设备提供的能量，通过反射终端发送的信号x(t)来发送反向散射通信设备(Tag)的信息b(t)。
从反向散射通信的架构上，又可以分成单基地反向散射通信系统(Monostatic backscatter communicaiton system，MBCS)、双基地反向散射通信系统(Bistatic backscatter communicaiton systems，BBCS)和环境反向散射通信系统(Ambient backscatter communication systems，ABCS)。
其中，图3为MBCS示意图，如图3所示，MBCS系统中包含BSC发送端(比如Tag)和读写器Reader。读写器Reader中包含射频识别(frequency identification，RF)射频源和BSC接收端，其中RF射频源用于产生RF射频信号从而来给BSC发送端/Tag供能。BSC发送端通过反向散射经过调制后的RF射频信号，Reader中的BSC接收端接收到该反向散射信号后进行信号解调。由于RF射频源和BSC接收端是在同一个设备中，比如同在读写器Reader中，因此称为单站反向散射通信系统。MBCS系统中，由于从BSC发送端发送出去的RF射频信号会经过往返信号的信号衰减引起的双倍远近效应，因而信号的能量衰减大，因而MBCS系统一般用于短距离的反向散射通信，比如传统的无线射频识别(Radio Frequency Identification，RFID)应用。
图4为BBCS示意图，如图4所示，不同于MBCS系统，BBCS系统中的RF射频源和BSC接收端是分开的。因而，BBCS避免了往返信号衰减大的问题，另外通过合理的放置RF射频源的位置可以进一步提高BBCS通信系统的性能。值得注意的是，环境反向散射通信ABCS也是双基地反向散射通信的一种，但BBCS系统中的射频源为专用的信号射频源，ABCS系统中 的射频源可以是可用的环境中的射频源，比如：电视塔、蜂窝基站、无线保真(Wireless Fidelity，WiFi)信号、蓝牙信号等。
下面，对BSC的蜂窝组网架构进行详细说明。其中，反向散射通信蜂窝组网架构具体可以从射频源、上行数据传输、下行数据传输的不同分为如图5-图12所示的多种架构，其中，图5所示的架构中，BSC系统中不包含辅助设备，图6-图12所示的架构中，BSC系统中包含有辅助设备。
图5为BSC的蜂窝组网架构的一示意图，如图5所示，在该架构(下文中称为架构1)中，网络侧设备为射频源，也是BSC TAG的下行数据发送端以及BSC TAG的上行数据接收端，即此时网络侧设备直接与BSC TAG通信。其中，这种部署架构对网络侧设备和BSC TAG的接收灵敏度要求很高，但架构部署简单。
图6为BSC的蜂窝组网架构的另一示意图，如图6所示，在该架构(下文中称为架构2)中，网络侧设备是射频源，但此时存在一个Helper或中继设备Relay，用于中继BSC TAG给网络侧设备的上行数据；当然Helper或Relay也可以中继网络侧设备给BSC TAG的下行数据。
图7为BSC的蜂窝组网架构的又一示意图，如图7所示，在该架构(下文中称为架构3-1a)中，网络侧设备为射频源，并且网络侧设备直接传输下行数据给BSC TAG；而上行传输中，BSC TAG先反向散射数据给终端，再由终端转发数据给网络侧设备。
图8为BSC的蜂窝组网架构的再一示意图，如图8所示，在该架构(下文中称为架构3-1b)中，终端为射频源，并且网络侧设备直接传输下行数据给BSC TAG；而上行传输中，BSC TAG先反向散射数据给终端，再由终端转发数据给网络侧设备。
图9为BSC的蜂窝组网架构的再一示意图，如图9所示，在该架构(下文中称为架构3-2a)中，射频源为网络侧设备，下行数据由网络侧设备先下发给终端，再由终端转发给BSC TAG；上行传输中，BSC TAG直接反向传输信号给网络侧设备。
图10为BSC的蜂窝组网架构的再一示意图，如图10所示，在该架构(下文中称为架构3-1b)中，射频源为终端，下行数据由网络侧设备先下发给终端，再由终端转发给BSC TAG；上行传输中，BSC TAG直接反向传输信号给网络侧设备。
图11为BSC的蜂窝组网架构的再一示意图，如图11所示，在该架构(下文中称为架构3-3a)中，射频源为网络侧设备，下行数据由网络侧设备先下发给终端，再由终端转发给BSC TAG；上行传输中，BSC TAG先反向散射数据给终端，再由终端转发数据给网络侧设备。
图12为BSC的蜂窝组网架构的再一示意图，如图12所示，在该架构(下文中称为架构3-3b)中，射频源为终端，下行数据由网络侧设备先下发给终端，再由终端转发给BSC TAG；上行传输中，BSC TAG先反向散射数据给终端，再由终端转发数据给网络侧设备。
综上所述，在图5-图12中的各个架构中，上行数据链路和下行数据链路以及供能方如下表1所示：
表1

在上述各架构中，终端、Helper、中继设备relay等设备都可以作为终端来辅助组网(如图6-图12所示)，在终端辅助的BSC通信中，终端具备如下至少一种能力：支持给BSC TAG供能、转发上行数据给网络侧设备、或转发下行数据给BSC TAG等。
在本申请实施例中，BSC TAG可以向第一设备发送Tag请求，该Tag请求用于发起BSC链路建立。从而在各个蜂窝组织架构中，可以灵活地支持BSC TAG发起BSC链路建立的操作。另外，由于在如图7-图12的各架构中，终端并不需要主动监听，只是在监测到BSC TAG发起BSC链路建立后，再进行上行数据和/或下行数据的转发，从而可以降低终端的功耗。
需要进行说明的是，本申请实施例中所述的BSC通信、BSC链路建立、BSC连接、BSC数据传输等描述，均包括BSC TAG与终端或网络侧设备之间基于BSC通信方式的信令交互和或数据传输等操作。建立BSC链路亦指建立BSC TAG与终端或网络侧设备之间的上行和或下行链路。
图13为本申请提供的一种发起BSC链路建立的方法的流程示意图，下面结合图13描述本申请实施例提供的发起BSC链路建立的方法。如图13所示，该方法包括：
步骤1301：反向散射通信终端设备BSC TAG向第一设备发送Tag请求，Tag请求用于发起BSC链路建立。
其中，在上述图5-图12所示架构的基础上，第一设备可以为网络侧设备，也可以为终端。BSC TAG向第一设备发送Tag请求，以用于发起BSC链路建立。
可选地，上述Tag请求中包括如下信息中的至少一个：指示建立BSC连接的指示信息；指示发起BSC上行链路建立的指示信息；指示发起BSC下行链路建立的指示信息；指示发起BSC上行数据转发的指示信息；指示发起 BSC下行数据转发的指示信息；指示上行连接方式的指示信息；指示下行连接方式的指示信息。
在如图5(架构1)中，指示上行连接方式的指示信息和指示下行连接方式的指示信息均可以为BSC TAG与网络侧设备直接连接的指示信息。
在如图6(架构2)、图7(架构3-1a)和图8(架构3-1b)中，指示上行连接方式的指示信息也可以理解为BSC TAG通过终端或通过中继设备与网络侧设备进行上行连接的指示信息，指示下行连接方式的指示信息也可以理解为网络侧设备与BSC TAG直接连接的指示信息。
在如图9(架构3-2a)、图10(架构3-2b)中，指示上行连接方式的指示信息也可以理解为BSC TAG与网络侧设备直接连接的指示信息，指示下行连接方式的指示信息也可以理解为网络侧设备通过终端或通过中继设备与BSC TAG连接的指示信息。
在如图11(架构3-3a)、图12(架构3-3b)中，指示上行连接方式的指示信息也可以理解为BSC TAG通过终端或通过中继设备与网络侧设备连接的指示信息，指示下行连接方式的指示信息也可以理解为网络侧设备通过终端或通过中继设备与BSC TAG连接的指示信息。
在本实施例中，通过在Tag请求中包含一个或多个指示信息，从而可以基于Tag请求中的指示信息，在不同的架构下发起BSC链路建立。
可选地，在BSC系统不包含辅助设备，且第一设备为网络侧设备的情况下，BSC TAG接收网络侧设备发送的第一网络消息，该第一网络消息用于指示网络侧设备确认BSC链路建立；其中，辅助设备包括终端或中继设备。
其中，如图5所示(架构1)，在该架构中，网络侧设备是射频源，也是BSC TAG的下行数据发送端以及BSC TAG的上行数据接收端，即此时网络侧设备直接与BSC TAG通信。也即，在该BSC系统中，不包含辅助设备，则BSC TAG会向网络侧设备发送Tag请求，该Tag请求用于发起BSC链路建立。网络侧设备在接收到Tag请求后，会向BSC TAG发送第一网络消息，该第一网络消息用于指示网络侧设备确认BSC链路建立。应理解，第一网络 消息用于指示网络侧设备确认BSC链路建立，也可以理解为用于指示网络侧设备确认Tag请求。
在本实施例中，网络侧设备在接收到BSC TAG发送的Tag请求后，会向BSC TAG返回第一网络消息，从而确认BSC链路建立，由此可以在不包含辅助设备的BSC系统中发起BSC链路建立。
可选地，上述第一网络消息包括如下信息中的至少一个：BSC链路建立的确认信息、BSC的传输模式信息，其中，BSC的传输模式信息包括如下信息中的至少一种：BSC的传输开始时间、BSC的传输时长、BSC的间歇时长和BSC的传输周期。
其中，BSC链路建立的确认信息，其用于确认BSC连接建立或确认开始BSC上行数据或BSC下行数据的传输。
其中，BSC的传输时长包括发送数据的时长，或者接收数据的时长，或者发送和接收数据的时长。
BSC的间歇时长，可以理解为不传输数据的时长，或者也可以理解为数据发送后响应消息的等待时长或两次数据发送之间的等待时长。
在本实施例中，在第一网络消息中包括BSC链路建立的确认信息，和BSC的传输模式信息中的至少一个，可以为后续BSC链路上的数据传输提供信息，从而可以正常进行BSC链路上的数据传输。
在发起BSC链路建立后，BSC TAG将基于第一网络消息中的信息，接收网络侧设备发送的数据，另外，还可以基于第一网络消息中的信息，向网络侧设备发送数据。
可选地，在BSC系统包含辅助设备，且第一设备为辅助设备的情况下，Tag请求还用于指示辅助设备向网络侧设备发送第一消息，该第一消息用于向网络侧设备指示BSC TAG发起BSC链路建立，其中，辅助设备包括终端或中继设备。
其中，如图6(架构2)、图7(架构3-1a)、图8(架构3-2a)、图11(架构3-3a)和图12(架构3-3b)所示，在这些架构中，BSC系统包含辅助设备， 且BSC TAG向辅助设备发送Tag请求。辅助设备监听BSC TAG发送的消息，在辅助设备接收到BSC TAG发送的Tag请求后，向网络侧设备发送第一消息，该第一消息用于向网络侧设备指示BSC TAG发起BSC链路建立。
其中，第一消息用于向所述网络侧设备指示BSC TAG发起BSC链路建立，也可以为用于请求网络侧设备建立BSC连接或进行BSC链路建立。示例性的，该第一消息可以为UE请求消息。
在本实施例中，辅助设备在接收到BSC TAG发送的Tag请求后，会向BSC TAG返回第一消息，从而发起BSC链路建立，由此可以在包含辅助设备的BSC系统中发起BSC链路建立。
可选地，在上述辅助设备为终端，且在终端处于空闲态(IDLE态)的情况下，第一消息为无线资源控制(Radio Resource Control，RRC)连接建立请求消息，RRC连接建立请求消息中的建立原因字段指示发起BSC链路建立。
其中，在IDLE态下，终端发起随机接入，向网络侧设备发送第一消息，该第一消息为RRC连接建立请求消息(RRC Setup Request消息)，RRC连接建立请求消息中的建立原因(establishment Cause)字段指示发起BSC链路建立。
在终端处于非激活态(RRC_INACTIVE状态)的情况下，第一消息为RRC恢复消息，RRC恢复消息中的恢复原因字段指示发起BSC链路建立。
其中，在RRC_INACTIVE状态下，终端向网络侧设备发送第一消息。该第一消息为RRC恢复消息(RRC Resume Request消息)。进一步，RRC恢复消息中的恢复原因(Resume Cause)字段指示发起BSC链路建立。
在终端处于连接态的情况下，第一消息为上行信息转移消息，上行信息转移消息中包括用于指示发起BSC链路建立的信息。
其中，在RRC_CONNECTED状态下，终端发送第一消息。该第一消息为上行信息转移消息，如UL InformationTransfer消息，该UL InformationTransfer消息中包含用于指示BSC链路建立或连接建立请求的信息。
可选地，在图6(架构2)、图7(架构3-1a)和图8(架构3-2a)所示的架构中，辅助设备在向网络侧设备发送第一消息后，网络侧设备会向BSC TAG发送第三网络消息，该第三网络消息用于指示网络侧设备确认BSC链路建立。
可选地，该第三网络消息中包括如下信息中的至少一个：BSC链路建立的确认信息；BSC连接配置信息；BSC的传输模式信息，其中，BSC连接配置信息用于指示辅助设备所需要的无线资源控制RRC配置，该RRC配置包括承载信息和物理资源。BSC的传输模式信息包括如下信息中的至少一种：BSC的传输开始时间、BSC的传输时长、BSC的间歇时长和BSC的传输周期。
其中，BSC链路建立的确认信息，其用于确认BSC连接建立或确认开始BSC上行数据或BSC下行数据的传输。
其中，BSC的传输时长包括发送数据的时长，或者接收数据的时长，或者发送和接收数据的时长。
BSC的间歇时长，可以理解为不传输数据的时长，或者也可以理解为数据发送后响应消息的等待时长或两次数据发送之间的等待时长。
在本实施例中，在第一网络消息中包括BSC链路建立的确认信息、BSC连接配置信息和BSC的传输模式信息中的至少一个，可以为后续BSC链路上的数据传输提供信息，从而可以正常进行BSC链路上的数据传输。
BSC TAG在接收到网络侧设备发送的第三网络消息后，开始进行BSC数据传输，例如，BSC TAG接收来自网络侧设备发送的BSC数据，并转发给辅助设备，或者，辅助设备接收BSC TAG发送的数据，并转发给网络侧设备。
可选地，如图8(架构3-2a)所示的架构中，终端为射频源，并且网络侧设备直接传输下行数据给BSC TAG；而上行传输中，BSC TAG先反向散射数据给终端，再由终端转发数据给网络侧设备。其中，终端在如下任一情况下开始为BSC TAG供能：在接收到BSC TAG发送的Tag请求的情况下；在 从空闲态或RRC非激活态进入连接态的情况下；向网络侧设备发送第一消息后；在接收到网络侧设备发送的第二网络消息的情况下。
其中，终端为射频源，可以理解为终端为可供BSC TAG进行能量收集(Energy Harvest)的射频源。
另外，对于半无源或有源的BSC TAG，BSC TAG在终端未供能的情况下，也可以向第一设备发送Tag请求。
在本实施例中，终端在上述情况下开始为BSC TAG供能，而不需要主动监测BSC TAG的数据发送情况，从而可以节省终端的功耗。
可选地，在图11(架构3-3a)和图12(架构3-3b)所示的架构中，辅助设备在向网络侧设备发送第一消息后，网络侧设备向辅助设备发送第二网络消息，其中，第二网络消息用于指示网络侧设备确认BSC链路建立，辅助设备基于该第二网络消息向BSC TAG发送第二消息，其中，第二消息用于指示辅助设备确认BSC链路建立。
其中，第二消息用于指示辅助设备确认BSC链路建立，可以理解为第二消息用于指示辅助设备确认Tag请求。
可选地，第二网络消息中包括如下信息中的至少一个：BSC链路建立的确认信息；BSC连接配置信息；BSC的传输模式信息。
其中，BSC连接配置信息用于指示所述辅助设备所需要的无线资源控制RRC配置，BSC的传输模式信息包括如下信息中的至少一种：BSC的传输开始时间、BSC的传输时长、BSC的间歇时长和BSC的传输周期。
BSC链路建立的确认信息，其用于确认BSC连接建立或确认开始BSC上行数据或BSC下行数据的传输。
其中，BSC的传输时长包括发送数据的时长，或者接收数据的时长，或者发送和接收数据的时长。
BSC的间歇时长，可以理解为不传输数据的时长，或者也可以理解为数据发送后响应消息的等待时长或两次数据发送之间的等待时长。
在本实施例中，在第一网络消息中包括BSC链路建立的确认信息、BSC 连接配置信息和BSC的传输模式信息中的至少一个，可以为后续BSC链路上的数据传输提供信息，从而可以正常进行BSC链路上的数据传输。
BSC TAG在接收到辅助设备发送的第二消息后，将开始进行BSC链路建立，也即辅助设备接收来自网络侧设备发送的BSC数据，并将接收到的BSC数据转发给BSC TAG，或者，辅助设备接收来自BSC TAG发送的BSC数据，并将接收到的BSC数据转发给网络侧设备。
可选地，如图12(架构3-3b)所示的架构中，终端为射频源，并且下行数据由网络侧设备先下发给终端，再由终端转发给BSC TAG；上行传输中，BSC TAG先反向散射数据给终端，再由终端转发数据给网络侧设备。
可选地，终端在如下任一情况下开始为BSC TAG供能：在接收到BSC TAG发送的Tag请求的情况下；在从空闲态或RRC非激活态进入连接态的情况下；向网络侧设备发送第一消息后；在接收到网络侧设备发送的第二网络消息的情况下；在向BSC TAG发送第二消息后。
其中，终端为射频源，可以理解为终端为可供BSC TAG进行能量收集(Energy Harvest)的射频源。
另外，对于半无源或有源的BSC TAG，BSC TAG在终端未供能的情况下，也可以向第一设备发送Tag请求。
在本实施例中，终端在上述情况下开始为BSC TAG供能，而不需要主动监测BSC TAG的数据发送情况，从而可以节省终端的功耗。
可选地，在BSC系统包含辅助设备，且第一设备为网络侧设备的情况下，BSC TAG接收BSC系统中辅助设备发送的第三消息，所述第三消息用于指示辅助设备确认BSC链路建立；所述第三消息是所述辅助设备在接收到所述网络侧设备发送的第四网络消息后发送的，所述第四网络消息用于指示网络侧设备确认BSC链路建立，所述辅助设备包括终端或中继设备。
其中，如图9(架构3-2a)和图10(架构3-2b)所示，在这些架构中，BSC系统包含辅助设备，且BSC TAG向网络侧设备发送Tag请求。网络侧设备在接收到BSC TAG发送的Tag请求后，向辅助设备发送第四网络消息， 该第四网络消息用于指示网络侧设备确认BSC链路建立，辅助设备向BSC TAG发送第三消息，该第三消息用于确认BSC链路建立。
其中，第三消息用于确认BSC链路建立，可以理解为第三消息用于指示辅助设备确认Tag请求，或指示BSC TAG开始进行BSC数据传输。
可选地，第四网络消息包括如下信息中的至少一个：BSC链路建立的确认信息；BSC连接配置信息；BSC的传输模式信息。
其中，BSC连接配置信息用于指示所述辅助设备所需要的无线资源控制RRC配置，BSC的传输模式信息包括如下信息中的至少一种：BSC的传输开始时间、BSC的传输时长、BSC的间歇时长和BSC的传输周期。
BSC链路建立的确认信息，其用于确认BSC连接建立或确认开始BSC上行数据或BSC下行数据的传输。
其中，BSC的传输时长包括发送数据的时长，或者接收数据的时长，或者发送和接收数据的时长。
BSC的间歇时长，可以理解为不传输数据的时长，或者也可以理解为数据发送后响应消息的等待时长或两次数据发送之间的等待时长。
在本实施例中，在第四网络消息中包括BSC链路建立的确认信息、BSC连接配置信息和BSC的传输模式信息中的至少一个，可以为后续BSC链路上的数据传输提供信息，从而可以正常进行BSC链路上的数据传输。
BSC TAG在接收到辅助设备发送的第三消息后，将开始进行BSC链路建立，也即辅助设备接收来自网络侧设备发送的BSC数据，并将接收到的BSC数据转发给BSC TAG，或者，BSC TAG接收辅助设备发送的数据，或者BSC TAG向网络侧设备发送BSC数据。
可选地，如图10(架构3-2b)所示的架构中，终端为射频源，并且下行数据由网络侧设备先下发给终端，再由终端转发给BSC TAG；上行传输中，BSC TAG直接反向传输信号给网络侧设备。其中，终端在如下情况下开始为BSC TAG供能：在接收到网络侧设备发送的第四网络消息的情况下。
其中，终端为射频源，可以理解为终端为可供BSC TAG进行能量收集 (Energy Harvest)的射频源。
在本实施例中，终端在在接收到网络侧设备发送的第四网络消息的情况下开始为BSC TAG供能，而不需要主动监测BSC TAG的数据发送情况，从而可以节省终端的功耗。
本申请实施例提供的发起BSC链路建立的方法，BSC TAG可以向第一设备发送Tag请求，该Tag请求用于发起BSC链路建立，从而在各个蜂窝组网架构中可以灵活地支持BSC TAG发起BSC数据传输的操作。
图14为本申请提供的另一种发起BSC链路建立的方法的流程示意图，下面结合图14描述本申请实施例提供的发起BSC链路建立的方法。如图14所示，该方法包括：
步骤1401：第一设备接收反向散射通信终端设备BSC TAG发送的Tag请求。
其中，Tag请求用于发起BSC链路建立。
步骤1402：第一设备根据Tag请求发起BSC链路建立。
可选地，在BSC系统不包含辅助设备，且第一设备为网络侧设备的情况下，第一设备根据Tag请求发起BSC链路建立，包括：网络侧设备向BSC TAG发送第一网络消息，该第一网络消息用于指示所述网络侧设备确认BSC链路建立；其中，辅助设备包括终端或中继设备。
可选地，在BSC系统包含辅助设备，且所述第一设备为辅助设备的情况下，第一设备根据Tag请求发起BSC链路建立，包括：辅助设备向网络侧设备发送第一消息，第一消息用于向所述网络侧设备指示BSC TAG发起的BSC链路建立；其中，辅助设备包括终端或中继设备。
可选地，第一消息还用于指示网络侧设备向BSC TAG发送第三网络消息，所述第三网络消息用于指示所述网络侧设备确认BSC链路建立。
可选地，所述方法还包括：所述辅助设备接收所述网络侧设备发送的第二网络消息，所述第二网络消息用于指示所述网络侧设备确认BSC链路建立；所述辅助设备根据所述第二网络消息，向所述BSC TAG发送第二消息，所述 第二消息用于指示所述辅助设备确认BSC链路建立。
可选地，在所述BSC系统包含辅助设备，且所述第一设备为网络侧设备的情况下，所述第一设备根据所述Tag请求发起BSC链路建立，包括：所述网络侧设备向辅助设备发送第四网络消息，所述第四网络消息用于指示所述网络侧设备确认BSC链路建立，还用于指示所述辅助设备向所述BSC TAG发送第三消息，所述第三消息用于指示所述辅助设备确认BSC链路建立，所述辅助设备包括终端或中继设备。
可选地，所述Tag请求中包括如下信息中的至少一个：
指示建立BSC连接的指示信息；
指示发起BSC上行链路建立的指示信息；
指示发起BSC下行链路建立的指示信息；
指示发起BSC上行数据转发的指示信息；
指示发起BSC下行数据转发的指示信息；
指示上行连接方式的指示信息；
指示下行连接方式的指示信息。
可选地，所述第一网络消息包括如下信息中的至少一个：
BSC链路建立的确认信息；
BSC的传输模式信息，所述BSC的传输模式信息包括如下信息中的至少一种：BSC的传输开始时间、BSC的传输时长、BSC的间歇时长和BSC的传输周期。
可选地，所述辅助设备为终端；
在所述终端处于空闲态的情况下，所述第一消息为RRC连接建立请求消息，所述RRC连接建立请求消息中的建立原因字段指示发起BSC链路建立；
在所述终端处于非激活态的情况下，所述第一消息为RRC恢复消息，所述RRC恢复消息中的恢复原因字段指示发起BSC链路建立；
在所述终端处于连接态的情况下，所述第一消息为上行信息转移消息，所述上行信息转移消息中包括用于指示发起BSC链路建立的信息。
可选地，所述第二网络消息或第三网络消息中包括如下信息中的至少一个：
BSC链路建立的确认信息；
BSC连接配置信息，所述BSC连接配置信息用于指示所述辅助设备所需要的无线资源控制RRC配置；
BSC的传输模式信息，所述BSC的传输模式信息包括如下信息中的至少一种：BSC的传输开始时间、BSC的传输时长、BSC的间歇时长和BSC的传输周期。
可选地，所述辅助设备为终端，且所述终端为射频源；所述终端在如下任一情况下开始为所述BSC TAG供能：
在接收到所述BSC TAG发送的所述Tag请求的情况下；
在从空闲态或RRC非激活态进入连接态的情况下；
向所述网络侧设备发送所述第一消息后；
在接收到所述网络侧设备发送的所述第二网络消息的情况下；
在向BSC TAG发送所述第二消息后。
可选地，所述第三网络消息包括如下信息中的至少一个：
BSC链路建立的确认信息；
BSC连接配置信息，所述BSC连接配置信息用于指示所述辅助设备所需要的无线资源控制RRC配置；
BSC的传输模式信息，所述BSC的传输模式信息包括如下信息中的至少一种：BSC的传输开始时间、BSC的传输时长、BSC的间歇时长和BSC的传输周期。
可选地，所述辅助设备为终端，且所述终端为射频源；所述终端在如下情况下开始为所述BSC TAG供能：
在接收到所述网络侧设备发送的第四网络消息的情况下。
本申请实施例提供的发起BSC链路建立的方法，第一设备通过接收反向散射通信终端设备BSC TAG发送的Tag请求，并根据该Tag请求发起BSC 链路建立。从而在不同的蜂窝组网架构下，可以灵活地支持BSC TAG发起BSC数据传输的操作。
本实施例的方法，其具体实现过程与技术效果与BSC TAG侧方法实施例中类似，具体可以参见BSC TAG侧方法实施例中的详细介绍，此处不再赘述。
图15为本申请提供的一种发起BSC链路建立的方法的信令图。如图15所示，该方法包括：
步骤1501：BSC TAG向第一设备发送Tag请求。
其中，Tag请求用于发起BSC链路建立。
步骤1502：第一设备根据Tag请求发起BSC链路建立。
本申请实施例提供的发起BSC链路建立的方法，第一设备通过接收反向散射通信终端设备BSC TAG发送的Tag请求，并根据该Tag请求发起BSC链路建立。从而在不同的蜂窝组网架构下，可以灵活地支持BSC TAG发起BSC数据传输的操作。
本实施例的方法，其具体实现过程与技术效果与BSC TAG侧方法实施例中类似，具体可以参见BSC TAG侧方法实施例中的详细介绍，此处不再赘述。
本申请实施例提供的发起BSC链路建立的方法，执行主体可以为发起BSC链路建立的装置。本申请实施例中以发起BSC链路建立的装置执行发起BSC链路建立的方法为例，说明本申请实施例提供的发起BSC链路建立的装置。
图16是本申请提供的发起BSC链路建立的装置的结构示意图之一。如图16所示，本实施例提供的发起BSC链路建立的装置，包括：
发送模块11，用于向第一设备发送Tag请求，所述Tag请求用于发起BSC链路建立。
本实施例的装置，发送模块11向第一设备发送Tag请求，所述Tag请求用于发起BSC链路建立，可以在不同的蜂窝组网架构下，可以灵活地支持BSC TAG发起BSC数据传输的操作。
可选地，在所述BSC系统不包含辅助设备，且所述第一设备为网络侧设备的情况下，所述装置还包括接收模块12；
所述接收模块12，用于接收所述网络侧设备发送的第一网络消息，所述第一网络消息用于指示所述网络侧设备确认BSC链路建立；
其中，所述辅助设备包括终端或中继设备。
可选地，在所述BSC系统包含辅助设备，且所述第一设备为所述辅助设备的情况下，所述Tag请求还用于指示所述辅助设备向网络侧设备发送第一消息，所述第一消息用于指示BSC TAG发起BSC链路建立，所述辅助设备包括终端或中继设备。
可选地，接收模块12，还用于接收所述辅助设备发送的第二消息，所述第二消息用于指示所述辅助设备确认BSC链路建立；所述第二消息是所述辅助设备在接收到所述网络侧设备发送的第二网络消息后发送的，所述第二网络消息用于指示所述网络侧设备确认BSC链路建立；或
接收模块12，还用于接收所述网络侧设备发送的第三网络消息，所述第三网络消息用于指示所述网络侧设备确认BSC链路建立。
可选地，在所述BSC系统包含辅助设备，且所述第一设备为网络侧设备的情况下，接收模块，还用于接收所述BSC系统中所述辅助设备发送的第三消息，所述第三消息用于指示所述辅助设备确认BSC链路建立；所述第三消息是所述辅助设备在接收到所述网络侧设备发送的第四网络消息后发送的，所述第四网络消息用于指示所述网络侧设备确认BSC链路建立，所述辅助设备包括终端或中继设备。
可选地，所述Tag请求中包括如下信息中的至少一个：
指示建立BSC连接的指示信息；
指示发起BSC上行链路建立的指示信息；
指示发起BSC下行链路建立的指示信息；
指示发起BSC上行数据转发的指示信息；
指示发起BSC下行数据转发的指示信息；
指示上行连接方式的指示信息；
指示下行连接方式的指示信息。
可选地，所述第一网络消息包括如下信息中的至少一个：
BSC链路建立的确认信息；
BSC的传输模式信息，所述BSC的传输模式信息包括如下信息中的至少一种：BSC的传输开始时间、BSC的传输时长、BSC的间歇时长和BSC的传输周期。
可选地，所述辅助设备为终端；
在所述终端处于空闲态的情况下，所述第一消息为RRC连接建立请求消息，所述RRC连接建立请求消息中的建立原因字段指示发起BSC链路建立；
在所述终端处于非激活态的情况下，所述第一消息为RRC恢复消息，所述RRC恢复消息中的恢复原因字段指示发起BSC链路建立；
在所述终端处于连接态的情况下，所述第一消息为上行信息转移消息，所述上行信息转移消息中包括用于指示发起BSC链路建立的信息。
可选地，所述第二网络消息或第三网络消息中包括如下信息中的至少一个：
BSC链路建立的确认信息；
BSC连接配置信息，所述BSC连接配置信息用于指示所述辅助设备所需要的无线资源控制RRC配置；
BSC的传输模式信息，所述BSC的传输模式信息包括如下信息中的至少一种：BSC的传输开始时间、BSC的传输时长、BSC的间歇时长和BSC的传输周期。
可选地，所述辅助设备为终端，且所述终端为射频源；所述终端在如下任一情况下开始为所述BSC TAG供能：
在接收到所述BSC TAG发送的所述Tag请求的情况下；
在从空闲态或RRC非激活态进入连接态的情况下；
向所述网络侧设备发送所述第一消息后；
在接收到所述网络侧设备发送的所述第二网络消息的情况下；
在向BSC TAG发送所述第二消息后。
可选地，所述第四网络消息包括如下信息中的至少一个：
BSC链路建立的确认信息；
BSC连接配置信息，所述BSC连接配置信息用于指示所述辅助设备所需要的无线资源控制RRC配置；
BSC的传输模式信息，所述BSC的传输模式信息包括如下信息中的至少一种：BSC的传输开始时间、BSC的传输时长、BSC的间歇时长和BSC的传输周期。
可选地，所述辅助设备为终端，且所述终端为射频源；所述终端在如下情况下开始为所述BSC TAG供能：
在接收到所述网络侧设备发送的第四网络消息的情况下。
本实施例的装置，可以用于执行前述BSC TAG侧方法实施例中任一实施例的方法，其具体实现过程与技术效果与BSC TAG侧方法实施例中类似，具体可以参见BSC TAG侧方法实施例中的详细介绍，此处不再赘述。
图17是本申请提供的发起BSC链路建立的装置的结构示意图之二。如图17所示，本实施例提供的发起BSC链路建立的装置，包括：
接收模块21，用于接收反向散射通信终端设备BSC TAG发送的Tag请求，所述Tag请求用于发起BSC链路建立；
处理模块22，用于根据所述Tag请求发起BSC链路建立。
本申请实施例提供的发起BSC链路建立的装置，接收模块21通过接收反向散射通信终端设备BSC TAG发送的Tag请求，处理模块22根据该Tag请求发起BSC链路建立，从而在不同的蜂窝组网架构下，可以灵活地支持BSC TAG发起BSC数据传输的操作。
可选地，在所述BSC系统不包含辅助设备，且所述第一设备为网络侧设备的情况下，所述处理模块22，具体用于：
向所述BSC TAG发送第一网络消息，所述第一网络消息用于指示所述网 络侧设备确认BSC链路建立；
其中，所述辅助设备包括终端或中继设备。
可选地，在所述BSC系统包含辅助设备，且所述第一设备为所述辅助设备的情况下，所述处理模块22，具体用于：
所述辅助设备向网络侧设备发送第一消息，所述第一消息用于指示BSC TAG发起BSC链路建立；
其中，所述辅助设备包括终端或中继设备。
可选地，所述第一消息还用于指示所述网络侧设备向所述BSC TAG发送第三网络消息，所述第三网络消息用于指示所述网络侧设备确认BSC链路建立。
可选地，所述装置还包括：发送模块23；
所述接收模块21，还用于接收所述网络侧设备发送的第二网络消息，所述第二网络消息用于指示所述网络侧设备确认BSC链路建立；
所述发送模块23，用于根据所述第二网络消息，向所述BSC TAG发送第二消息，所述第二消息用于指示所述辅助设备确认BSC链路建立。
可选地，在所述BSC系统包含辅助设备，且所述第一设备为网络侧设备的情况下，所述处理模块22，具体用于：
向辅助设备发送第四网络消息，所述第四网络消息用于指示所述网络侧设备确认BSC链路建立，还用于指示所述辅助设备向所述BSC TAG发送第三消息，所述第三消息用于指示所述辅助设备确认BSC链路建立，所述辅助设备包括终端或中继设备。
可选地，所述Tag请求中包括如下信息中的至少一个：
指示建立BSC连接的指示信息；
指示发起BSC上行链路建立的指示信息；
指示发起BSC下行链路建立的指示信息；
指示发起BSC上行数据转发的指示信息；
指示发起BSC下行数据转发的指示信息；
指示上行连接方式的指示信息；
指示下行连接方式的指示信息。
可选地，所述第一网络消息包括如下信息中的至少一个：
BSC链路建立的确认信息；
BSC的传输模式信息，所述BSC的传输模式信息包括如下信息中的至少一种：BSC的传输开始时间、BSC的传输时长、BSC的间歇时长和BSC的传输周期。
可选地，所述辅助设备为终端；
在所述终端处于空闲态的情况下，所述第一消息为RRC连接建立请求消息，所述RRC连接建立请求消息中的建立原因字段指示发起BSC链路建立；
在所述终端处于非激活态的情况下，所述第一消息为RRC恢复消息，所述RRC恢复消息中的恢复原因字段指示发起BSC链路建立；
在所述终端处于连接态的情况下，所述第一消息为上行信息转移消息，所述上行信息转移消息中包括用于指示发起BSC链路建立的信息。
可选地，所述第二网络消息或第三网络消息中包括如下信息中的至少一个：
BSC链路建立的确认信息；
BSC连接配置信息，所述BSC连接配置信息用于指示所述辅助设备所需要的无线资源控制RRC配置；
BSC的传输模式信息，所述BSC的传输模式信息包括如下信息中的至少一种：BSC的传输开始时间、BSC的传输时长、BSC的间歇时长和BSC的传输周期。
可选地，所述辅助设备为终端，且所述终端为射频源；所述终端在如下任一情况下开始为所述BSC TAG供能：
在接收到所述BSC TAG发送的所述Tag请求的情况下；
在从空闲态或RRC非激活态进入连接态的情况下；
向所述网络侧设备发送所述第一消息后；
在接收到所述网络侧设备发送的所述第二网络消息的情况下；
在向BSC TAG发送所述第二消息后。
可选地，所述第三网络消息包括如下信息中的至少一个：
BSC链路建立的确认信息；
BSC连接配置信息，所述BSC连接配置信息用于指示所述辅助设备所需要的无线资源控制RRC配置；
BSC数据传输模式信息，所述BSC的传输模式信息包括如下信息中的至少一种：BSC的传输开始时间、BSC的传输时长、BSC的间歇时长和BSC的传输周期。
可选地，所述辅助设备为终端，且所述终端为射频源；所述终端在如下情况下开始为所述BSC TAG供能：
在接收到所述网络侧设备发送的第四网络消息的情况下。
本申请实施例提供的发起BSC链路建立的方法，第一设备通过接收反向散射通信终端设备BSC TAG发送的Tag请求，并根据该Tag请求发起BSC链路建立。从而在不同的蜂窝组网架构下，可以灵活地支持BSC TAG发起BSC数据传输的操作。
本实施例的装置，可以用于执行前述BSC TAG侧方法实施例中任一实施例的方法，其具体实现过程与技术效果与BSC TAG侧方法实施例中类似，具体可以参见BSC TAG侧方法实施例中的详细介绍，此处不再赘述。
本申请实施例中的发起BSC链路建立的装置可以是电子设备，例如具有操作系统的电子设备，也可以是电子设备中的部件，例如集成电路或芯片。该电子设备可以是终端，也可以为除终端之外的其他设备。示例性的，终端可以包括但不限于上述所列举的终端11的类型，其他设备可以为服务器、网络附属存储器(Network Attached Storage，NAS)等，本申请实施例不作具体限定。
本申请实施例提供的发起BSC链路建立的装置能够实现图13至图15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。
可选的，如图18所示，本申请实施例还提供一种通信设备1800，包括处理器1801和存储器1802，存储器1802上存储有可在所述处理器1801上运行的程序或指令，例如，该通信设备1800为BSC TAG时，该程序或指令被处理器1801执行时实现上述发起BSC链路建立的方法实施例的各个步骤，且能达到相同的技术效果。该通信设备1800为第一设备时，该程序或指令被处理器1801执行时实现上述发起BSC链路建立的方法实施例的各个步骤，且能达到相同的技术效果，为避免重复，这里不再赘述。
本申请实施例还提供一种BSC TAG，包括处理器和通信接口，通信接口用于向第一设备发送Tag请求，所述Tag请求用于发起BSC链路建立。该BSC TAG实施例与上述BSC TAG侧方法实施例对应，上述方法实施例的各个实施过程和实现方式均可适用于该BSC TAG实施例中，且能达到相同的技术效果。
可选地，在所述BSC系统不包含辅助设备，且所述第一设备为网络侧设备的情况下，通信接口接收所述网络侧设备发送的第一网络消息，所述第一网络消息用于指示所述网络侧设备确认BSC链路建立；
其中，所述辅助设备包括终端或中继设备。
可选地，在所述BSC系统包含辅助设备，且所述第一设备为所述辅助设备的情况下，所述Tag请求还用于指示所述辅助设备向网络侧设备发送第一消息，所述第一消息用于指示BSC TAG发起BSC链路建立，所述辅助设备包括终端或中继设备。
可选地，通信接口接收所述辅助设备发送的第二消息，所述第二消息用于指示所述辅助设备确认BSC链路建立；所述第二消息是所述辅助设备在接收到所述网络侧设备发送的第二网络消息后发送的，所述第二网络消息用于指示所述网络侧设备确认BSC链路建立；或
通信接口接收所述网络侧设备发送的第三网络消息，所述第三网络消息 用于指示所述网络侧设备确认BSC链路建立。
可选地，在所述BSC系统包含辅助设备，且所述第一设备为网络侧设备的情况下，通信接口接收所述BSC系统中所述辅助设备发送的第三消息，所述第三消息用于指示所述辅助设备确认BSC链路建立；所述第三消息是所述辅助设备在接收到所述网络侧设备发送的第四网络消息后发送的，所述第四网络消息用于指示所述网络侧设备确认BSC链路建立，所述辅助设备包括终端或中继设备。
可选地，所述Tag请求中包括如下信息中的至少一个：
指示建立BSC连接的指示信息；
指示发起BSC上行链路建立的指示信息；
指示发起BSC下行链路建立的指示信息；
指示发起BSC上行数据转发的指示信息；
指示发起BSC下行数据转发的指示信息；
指示上行连接方式的指示信息；
指示下行连接方式的指示信息。
可选地，所述第一网络消息包括如下信息中的至少一个：
BSC链路建立的确认信息；
BSC的传输模式信息，所述BSC的传输模式信息包括如下信息中的至少一种：BSC的传输开始时间、BSC的传输时长、BSC的间歇时长和BSC的传输周期。
可选地，所述辅助设备为终端；
在所述终端处于空闲态的情况下，所述第一消息为RRC连接建立请求消息，所述RRC连接建立请求消息中的建立原因字段指示发起BSC链路建立；
在所述终端处于非激活态的情况下，所述第一消息为RRC恢复消息，所述RRC恢复消息中的恢复原因字段指示发起BSC链路建立；
在所述终端处于连接态的情况下，所述第一消息为上行信息转移消息，所述上行信息转移消息中包括用于指示发起BSC链路建立的信息。
可选地，所述第二网络消息或第三网络消息中包括如下信息中的至少一个：
BSC链路建立的确认信息；
BSC连接配置信息，所述BSC连接配置信息用于指示所述辅助设备所需要的无线资源控制RRC配置；
BSC的传输模式信息，所述BSC的传输模式信息包括如下信息中的至少一种：BSC的传输开始时间、BSC的传输时长、BSC的间歇时长和BSC的传输周期。
可选地，所述辅助设备为终端，且所述终端为射频源；所述终端在如下任一情况下开始为所述BSC TAG供能：
在接收到所述BSC TAG发送的所述Tag请求的情况下；
在从空闲态或RRC非激活态进入连接态的情况下；
向所述网络侧设备发送所述第一消息后；
在接收到所述网络侧设备发送的所述第二网络消息的情况下；
在向BSC TAG发送所述第二消息后。
可选地，所述第四网络消息包括如下信息中的至少一个：
BSC链路建立的确认信息；
BSC连接配置信息，所述BSC连接配置信息用于指示所述辅助设备所需要的无线资源控制RRC配置；
BSC的传输模式信息，所述BSC的传输模式信息包括如下信息中的至少一种：BSC的传输开始时间、BSC的传输时长、BSC的间歇时长和BSC的传输周期。
可选地，所述辅助设备为终端，且所述终端为射频源；所述终端在如下情况下开始为所述BSC TAG供能：
在接收到所述网络侧设备发送的第四网络消息的情况下。
本申请实施例中，射频单元向第一设备发送Tag请求，该Tag请求用于发起BSC链路建立。从而在不同的蜂窝组网架构下，可以灵活地支持BSC  TAG发起BSC数据传输的操作。
本申请实施例还提供一种终端，包括处理器和通信接口，通信接口用于接收反向散射通信终端设备BSC TAG发送的Tag请求，所述Tag请求用于发起BSC链路建立；处理器用于根据所述Tag请求发起BSC链路建立。该终端实施例与上述终端侧方法实施例对应，上述方法实施例的各个实施过程和实现方式均可适用于该终端实施例中，且能达到相同的技术效果。具体地，图19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1900包括但不限于：射频单元1901、网络模块1902、音频输出单元1903、输入单元1904、传感器1905、显示单元1906、用户输入单元1907、接口单元1908、存储器1909以及处理器1910等中的至少部分部件。
本领域技术人员可以理解，终端1900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1910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19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1904可以包括图形处理单元(Graphics Processing Unit，GPU)19041和麦克风19042，图形处理器19041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1906可包括显示面板19061，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19061。用户输入单元1907包括触控面板19071以及其他输入设备19072中的至少一种。触控面板19071，也称为触摸屏。触控面板19071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19072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1901接收来自网络侧设备的下行数据后，可以传输给处理器1910进行处理；另外，射频单元1901可以向网络侧设备发 送上行数据。通常，射频单元1901包括但不限于天线、放大器、收发信机、耦合器、低噪声放大器、双工器等。
存储器1909可用于存储软件程序或指令以及各种数据。存储器1909可主要包括存储程序或指令的第一存储区和存储数据的第二存储区，其中，第一存储区可存储操作系统、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1909可以包括易失性存储器或非易失性存储器，或者，存储器1909可以包括易失性和非易失性存储器两者。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。易失性存储器可以是随机存取存储器(Random Access Memory，RAM)，静态随机存取存储器(Static RAM，SRAM)、动态随机存取存储器(Dynamic RAM，DRAM)、同步动态随机存取存储器(Synchronous DRAM，SDRAM)、双倍数据速率同步动态随机存取存储器(Double Data Rate SDRAM，DDRSDRAM)、增强型同步动态随机存取存储器(Enhanced SDRAM，ESDRAM)、同步连接动态随机存取存储器(Synch link DRAM，SLDRAM)和直接内存总线随机存取存储器(Direct Rambus RAM，DRRAM)。本申请实施例中的存储器1909包括但不限于这些和任意其它适合类型的存储器。
处理器1910可包括一个或多个处理单元；可选的，处理器1910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涉及操作系统、用户界面和应用程序等的操作，调制解调处理器主要处理无线通信信号，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1910中。
其中，射频单元1901接收反向散射通信终端设备BSC TAG发送的Tag请求，所述Tag请求用于发起BSC链路建立；
处理器1910根据所述Tag请求发起BSC链路建立。
可选地，射频单元1901向网络侧设备发送第一消息，所述第一消息用于 指示BSC TAG发起BSC链路建立；
其中，所述辅助设备包括终端或中继设备。
可选地，所述第一消息还用于指示所述网络侧设备向所述BSC TAG发送第三网络消息，所述第三网络消息用于指示所述网络侧设备确认BSC链路建立。
可选地，射频单元1901接收所述网络侧设备发送的第二网络消息，所述第二网络消息用于指示所述网络侧设备确认BSC链路建立；
射频单元1901根据所述第二网络消息，向所述BSC TAG发送第二消息，所述第二消息用于指示所述辅助设备确认BSC链路建立。
可选地，所述Tag请求中包括如下信息中的至少一个：
指示建立BSC连接的指示信息；
指示发起BSC上行链路建立的指示信息；
指示发起BSC下行链路建立的指示信息；
指示发起BSC上行数据转发的指示信息；
指示发起BSC下行数据转发的指示信息；
指示上行连接方式的指示信息；
指示下行连接方式的指示信息。
可选地，所述第一网络消息包括如下信息中的至少一个：
BSC链路建立的确认信息；
BSC的传输模式信息，所述BSC的传输模式信息包括如下信息中的至少一种：BSC的传输开始时间、BSC的传输时长、BSC的间歇时长和BSC的传输周期。
可选地，在所述终端处于空闲态的情况下，所述第一消息为RRC连接建立请求消息，所述RRC连接建立请求消息中的建立原因字段指示发起BSC链路建立；
在所述终端处于非激活态的情况下，所述第一消息为RRC恢复消息，所述RRC恢复消息中的恢复原因字段指示发起BSC链路建立；
在所述终端处于连接态的情况下，所述第一消息为上行信息转移消息，所述上行信息转移消息中包括用于指示发起BSC链路建立的信息。
可选地，所述第二网络消息或第三网络消息中包括如下信息中的至少一个：
BSC链路建立的确认信息；
BSC连接配置信息，所述BSC连接配置信息用于指示所述辅助设备所需要的无线资源控制RRC配置；
BSC的传输模式信息，所述BSC的传输模式信息包括如下信息中的至少一种：BSC的传输开始时间、BSC的传输时长、BSC的间歇时长和BSC的传输周期。
可选地，所述终端为射频源；所述终端在如下任一情况下开始为所述BSC TAG供能：
在接收到所述BSC TAG发送的所述Tag请求的情况下；
在从空闲态或RRC非激活态进入连接态的情况下；
向所述网络侧设备发送所述第一消息后；
在接收到所述网络侧设备发送的所述第二网络消息的情况下；
在向BSC TAG发送所述第二消息后。
上述实施方案中，射频单元通过接收反向散射通信终端设备BSC TAG发送的Tag请求，处理器根据该Tag请求发起BSC链路建立。从而在不同的蜂窝组网架构下，可以灵活地支持BSC TAG发起BSC数据传输的操作。
本申请实施例还提供一种网络侧设备，包括处理器和通信接口，通信接口用于接收反向散射通信终端设备BSC TAG发送的Tag请求，所述Tag请求用于发起BSC链路建立；处理器用于根据所述Tag请求发起BSC链路建立。该网络侧设备实施例与上述网络侧设备方法实施例对应，上述方法实施例的各个实施过程和实现方式均可适用于该网络侧设备实施例中，且能达到相同的技术效果。
具体地，本申请实施例还提供了一种网络侧设备。如图20所示，该网络 侧设备2000包括：天线201、射频装置202、基带装置203、处理器204和存储器205。天线201与射频装置202连接。在上行方向上，射频装置202通过天线201接收信息，将接收的信息发送给基带装置203进行处理。在下行方向上，基带装置203对要发送的信息进行处理，并发送给射频装置202，射频装置202对收到的信息进行处理后经过天线201发送出去。
以上实施例中网络侧设备执行的方法可以在基带装置203中实现，该基带装置203包括基带处理器。
基带装置203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20所示，其中一个芯片例如为基带处理器，通过总线接口与存储器205连接，以调用存储器205中的程序，执行以上方法实施例中所示的网络设备操作。
该网络侧设备还可以包括网络接口206，该接口例如为通用公共无线接口(common public radio interface，CPRI)。
具体地，本申请实施例的网络侧设备2000还包括：存储在存储器205上并可在处理器204上运行的指令或程序，处理器204调用存储器205中的指令或程序执行图17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。
可选地，射频装置202向所述BSC TAG发送第一网络消息，所述第一网络消息用于指示所述网络侧设备确认BSC链路建立；
其中，所述辅助设备包括终端或中继设备。
可选地，射频装置202向辅助设备发送第四网络消息，所述第四网络消息用于指示所述网络侧设备确认BSC链路建立，还用于指示所述辅助设备向所述BSC TAG发送第三消息，所述第三消息用于指示所述辅助设备确认BSC链路建立，所述辅助设备包括终端或中继设备。
可选地，所述Tag请求中包括如下信息中的至少一个：
指示建立BSC连接的指示信息；
指示发起BSC上行链路建立的指示信息；
指示发起BSC下行链路建立的指示信息；
指示发起BSC上行数据转发的指示信息；
指示发起BSC下行数据转发的指示信息；
指示上行连接方式的指示信息；
指示下行连接方式的指示信息。
可选地，所述第一网络消息包括如下信息中的至少一个：
BSC链路建立的确认信息；
BSC的传输模式信息，所述BSC的传输模式信息包括如下信息中的至少一种：BSC的传输开始时间、BSC的传输时长、BSC的间歇时长和BSC的传输周期。
可选地，所述第三网络消息包括如下信息中的至少一个：
BSC链路建立的确认信息；
BSC连接配置信息，所述BSC连接配置信息用于指示所述辅助设备所需要的无线资源控制RRC配置；
BSC的传输模式信息，所述BSC的传输模式信息包括如下信息中的至少一种：BSC的传输开始时间、BSC的传输时长、BSC的间歇时长和BSC的传输周期。
可选地，所述终端为射频源；所述终端在如下情况下开始为所述BSC TAG供能：
在接收到所述网络侧设备发送的第四网络消息的情况下。
上述实施方案中，射频装置通过接收反向散射通信终端设备BSC TAG发送的Tag请求，处理器根据该Tag请求发起BSC链路建立。从而在不同的蜂窝组网架构下，可以灵活地支持BSC TAG发起BSC数据传输的操作。
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发起BSC链路建立的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ROM、随机存取存储器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，实现上述发起BSC链路建立的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。
本申请实施例另提供了一种计算机程序/程序产品，所述计算机程序/程序产品被存储在存储介质中，所述计算机程序/程序产品被至少一个处理器执行以实现上述发起BSC链路建立的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。
本申请实施例还提供了一种发起BSC链路建立的系统，包括：BSC TAG及第一设备，所述BSC TAG可用于执行如上所述的发起BSC链路建立的方法的步骤，所述第一设备可用于执行如上所述的发起BSC链路建立的方法的步骤。
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计算机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。
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 (30)

  1. 一种发起反向散射通信BSC链路建立的方法，所述方法应用于反向散射通信BSC系统，包括：
    反向散射通信终端设备BSC TAG向第一设备发送Tag请求，所述Tag请求用于发起BSC链路建立。
  2. 根据权利要求1所述的方法，其中，在所述BSC系统不包含辅助设备，且所述第一设备为网络侧设备的情况下，所述方法还包括：
    所述BSC TAG接收所述网络侧设备发送的第一网络消息，所述第一网络消息用于指示所述网络侧设备确认BSC链路建立；
    其中，所述辅助设备包括终端或中继设备。
  3. 根据权利要求1所述的方法，其中，在所述BSC系统包含辅助设备，且所述第一设备为所述辅助设备的情况下，所述Tag请求还用于指示所述辅助设备向网络侧设备发送第一消息，所述第一消息用于指示BSC TAG发起BSC链路建立，所述辅助设备包括终端或中继设备。
  4. 根据权利要求3所述的方法，其中，所述方法还包括：
    所述BSC TAG接收所述辅助设备发送的第二消息，所述第二消息用于指示所述辅助设备确认BSC链路建立；所述第二消息是所述辅助设备在接收到所述网络侧设备发送的第二网络消息后发送的，所述第二网络消息用于指示所述网络侧设备确认BSC链路建立；或
    所述BSC TAG接收所述网络侧设备发送的第三网络消息，所述第三网络消息用于指示所述网络侧设备确认BSC链路建立。
  5. 根据权利要求1所述的方法，其中，在所述BSC系统包含辅助设备，且所述第一设备为网络侧设备的情况下，所述方法还包括：
    所述BSC TAG接收所述BSC系统中所述辅助设备发送的第三消息，所述第三消息用于指示所述辅助设备确认BSC链路建立；所述第三消息是所述辅助设备在接收到所述网络侧设备发送的第四网络消息后发送的，所述第四 网络消息用于指示所述网络侧设备确认BSC链路建立，所述辅助设备包括终端或中继设备。
  6. 根据权利要求1-5任一项所述的方法，其中，所述Tag请求中包括如下信息中的至少一个：
    指示建立BSC连接的指示信息；
    指示发起BSC上行链路建立的指示信息；
    指示发起BSC下行链路建立的指示信息；
    指示发起BSC上行数据转发的指示信息；
    指示发起BSC下行数据转发的指示信息；
    指示上行连接方式的指示信息；
    指示下行连接方式的指示信息。
  7. 根据权利要求2所述的方法，其中，所述第一网络消息包括如下信息中的至少一个：
    BSC链路建立的确认信息；
    BSC的传输模式信息，所述BSC的传输模式信息包括如下信息中的至少一种：BSC的传输开始时间、BSC的传输时长、BSC的间歇时长和BSC的传输周期。
  8. 根据权利要求3或4所述的方法，其中，所述辅助设备为终端；
    在所述终端处于空闲态的情况下，所述第一消息为RRC连接建立请求消息，所述RRC连接建立请求消息中的建立原因字段指示发起BSC链路建立；
    在所述终端处于非激活态的情况下，所述第一消息为RRC恢复消息，所述RRC恢复消息中的恢复原因字段指示发起BSC链路建立；
    在所述终端处于连接态的情况下，所述第一消息为上行信息转移消息，所述上行信息转移消息中包括用于指示发起BSC链路建立的信息。
  9. 根据权利要求4所述的方法，其中，所述第二网络消息或第三网络消息中包括如下信息中的至少一个：
    BSC链路建立的确认信息；
    BSC连接配置信息，所述BSC连接配置信息用于指示所述辅助设备所需要的无线资源控制RRC配置；
    BSC的传输模式信息，所述BSC的传输模式信息包括如下信息中的至少一种：BSC的传输开始时间、BSC的传输时长、BSC的间歇时长和BSC的传输周期。
  10. 根据权利要求4所述的方法，其中，所述辅助设备为终端，且所述终端为射频源；所述终端在如下任一情况下开始为所述BSC TAG供能：
    在接收到所述BSC TAG发送的所述Tag请求的情况下；
    在从空闲态或RRC非激活态进入连接态的情况下；
    向所述网络侧设备发送所述第一消息后；
    在接收到所述网络侧设备发送的所述第二网络消息的情况下；
    在向BSC TAG发送所述第二消息后。
  11. 根据权利要求5所述的方法，其中，所述第四网络消息包括如下信息中的至少一个：
    BSC链路建立的确认信息；
    BSC连接配置信息，所述BSC连接配置信息用于指示所述辅助设备所需要的无线资源控制RRC配置；
    BSC的传输模式信息，所述BSC的传输模式信息包括如下信息中的至少一种：BSC的传输开始时间、BSC的传输时长、BSC的间歇时长和BSC的传输周期。
  12. 根据权利要求5所述的方法，其中，所述辅助设备为终端，且所述终端为射频源；所述终端在如下情况下开始为所述BSC TAG供能：
    在接收到所述网络侧设备发送的第四网络消息的情况下。
  13. 一种发起反向散射通信BSC链路建立的方法，所述方法应用于反向散射通信BSC系统，包括：
    第一设备接收反向散射通信终端设备BSC TAG发送的Tag请求，所述Tag请求用于发起BSC链路建立；
    所述第一设备根据所述Tag请求发起BSC链路建立。
  14. 根据权利要求13所述的方法，其中，在所述BSC系统不包含辅助设备，且所述第一设备为网络侧设备的情况下，所述第一设备根据所述Tag请求发起BSC链路建立，包括：
    所述网络侧设备向所述BSC TAG发送第一网络消息，所述第一网络消息用于指示所述网络侧设备确认BSC链路建立；
    其中，所述辅助设备包括终端或中继设备。
  15. 根据权利要求13所述的方法，其中，在所述BSC系统包含辅助设备，且所述第一设备为所述辅助设备的情况下，所述第一设备根据所述Tag请求发起BSC链路建立，包括：
    所述辅助设备向网络侧设备发送第一消息，所述第一消息用于指示BSC TAG发起BSC链路建立；
    其中，所述辅助设备包括终端或中继设备。
  16. 根据权利要求15所述的方法，其中，所述第一消息还用于指示所述网络侧设备向所述BSC TAG发送第三网络消息，所述第三网络消息用于指示所述网络侧设备确认BSC链路建立。
  17. 根据权利要求16所述的方法，其中，所述方法还包括：
    所述辅助设备接收所述网络侧设备发送的第二网络消息，所述第二网络消息用于指示所述网络侧设备确认BSC链路建立；
    所述辅助设备根据所述第二网络消息，向所述BSC TAG发送第二消息，所述第二消息用于指示所述辅助设备确认BSC链路建立。
  18. 根据权利要求13所述的方法，其中，在所述BSC系统包含辅助设备，且所述第一设备为网络侧设备的情况下，所述第一设备根据所述Tag请求发起BSC链路建立，包括：
    所述网络侧设备向辅助设备发送第四网络消息，所述第四网络消息用于指示所述网络侧设备确认BSC链路建立，还用于指示所述辅助设备向所述BSC TAG发送第三消息，所述第三消息用于指示所述辅助设备确认BSC链 路建立，所述辅助设备包括终端或中继设备。
  19. 根据权利要求14-18任一项所述的方法，其中，所述Tag请求中包括如下信息中的至少一个：
    指示建立BSC连接的指示信息；
    指示发起BSC上行链路建立的指示信息；
    指示发起BSC下行链路建立的指示信息；
    指示发起BSC上行数据转发的指示信息；
    指示发起BSC下行数据转发的指示信息；
    指示上行连接方式的指示信息；
    指示下行连接方式的指示信息。
  20. 根据权利要求14所述的方法，其中，所述第一网络消息包括如下信息中的至少一个：
    BSC链路建立的确认信息；
    BSC的传输模式信息，所述BSC的传输模式信息包括如下信息中的至少一种：BSC的传输开始时间、BSC的传输时长、BSC的间歇时长和BSC的传输周期。
  21. 根据权利要求15-17任一项所述的方法，其中，所述辅助设备为终端；
    在所述终端处于空闲态的情况下，所述第一消息为RRC连接建立请求消息，所述RRC连接建立请求消息中的建立原因字段指示发起BSC链路建立；
    在所述终端处于非激活态的情况下，所述第一消息为RRC恢复消息，所述RRC恢复消息中的恢复原因字段指示发起BSC链路建立；
    在所述终端处于连接态的情况下，所述第一消息为上行信息转移消息，所述上行信息转移消息中包括用于指示发起BSC链路建立的信息。
  22. 根据权利要求17所述的方法，其中，所述第二网络消息或第三网络消息中包括如下信息中的至少一个：
    BSC链路建立的确认信息；
    BSC连接配置信息，所述BSC连接配置信息用于指示所述辅助设备所需 要的无线资源控制RRC配置；
    BSC的传输模式信息，所述BSC的传输模式信息包括如下信息中的至少一种：BSC的传输开始时间、BSC的传输时长、BSC的间歇时长和BSC的传输周期。
  23. 根据权利要求16或17所述的方法，其中，所述辅助设备为终端，且所述终端为射频源；所述终端在如下任一情况下开始为所述BSC TAG供能：
    在接收到所述BSC TAG发送的所述Tag请求的情况下；
    在从空闲态或RRC非激活态进入连接态的情况下；
    向所述网络侧设备发送所述第一消息后；
    在接收到所述网络侧设备发送的所述第二网络消息的情况下；
    在向BSC TAG发送所述第二消息后。
  24. 根据权利要求18所述的方法，其中，所述第三网络消息包括如下信息中的至少一个：
    BSC链路建立的确认信息；
    BSC连接配置信息，所述BSC连接配置信息用于指示所述辅助设备所需要的无线资源控制RRC配置；
    BSC的传输模式信息，所述BSC的传输模式信息包括如下信息中的至少一种：BSC的传输开始时间、BSC的传输时长、BSC的间歇时长和BSC的传输周期。
  25. 根据权利要求18所述的方法，其中，所述辅助设备为终端，且所述终端为射频源；所述终端在如下情况下开始为所述BSC TAG供能：
    在接收到所述网络侧设备发送的第四网络消息的情况下。
  26. 一种发起BSC链路建立的装置，包括：
    发送模块，用于向第一设备发送Tag请求，所述Tag请求用于发起BSC链路建立。
  27. 一种发起BSC链路建立的装置，包括：
    接收模块，用于接收反向散射通信终端设备BSC TAG发送的Tag请求， 所述Tag请求用于发起BSC链路建立；
    处理模块，用于根据所述Tag请求发起BSC链路建立。
  28. 一种反向散射通信终端设备BSC TAG，包括处理器和存储器，所述存储器存储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12任一项所述的发起BSC链路建立的方法的步骤。
  29. 一种第一设备，包括处理器和存储器，所述存储器存储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13至25任一项所述的发起BSC链路建立的方法的步骤。
  30. 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1-12任一项所述的发起BSC链路建立的方法，或者实现如权利要求13至25任一项所述的发起BSC链路建立的方法的步骤。
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