WO2018082589A1 - 用于传输数据的方法、终端设备和网络设备 - Google Patents

用于传输数据的方法、终端设备和网络设备 Download PDF

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Publication number
WO2018082589A1
WO2018082589A1 PCT/CN2017/109030 CN2017109030W WO2018082589A1 WO 2018082589 A1 WO2018082589 A1 WO 2018082589A1 CN 2017109030 W CN2017109030 W CN 2017109030W WO 2018082589 A1 WO2018082589 A1 WO 2018082589A1
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Prior art keywords
terminal device
resource
information
system information
indication
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PCT/CN2017/109030
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English (en)
French (fr)
Inventor
酉春华
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华为技术有限公司
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Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to EP17868122.7A priority Critical patent/EP3528547B1/en
Publication of WO2018082589A1 publication Critical patent/WO2018082589A1/zh
Priority to US16/402,244 priority patent/US20190261255A1/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0091—Signaling for the administration of the divided path
    • H04L5/0092—Indication of how the channel is divided
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
    • H04W48/10—Access restriction or access information delivery, e.g. discovery data delivery using broadcasted information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/70—Admission control; Resource allocation
    • H04L47/80—Actions related to the user profile or the type of traffic
    • H04L47/801—Real time traffic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/14—Spectrum sharing arrangements between different networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
    • H04W48/12—Access restriction or access information delivery, e.g. discovery data delivery using downlink control channel
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/001—Synchronization between nodes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446—Resources in time domain, e.g. slots or frames
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT

Definitions

  • the present application relates to the field of communication technologies, and, more particularly, to a method, a terminal device, and a network device for transmitting data.
  • a terminal device In a Long Term Evolution (LTE) system, a terminal device needs to go through a cell search, acquire system information (SI), and perform random access.
  • the purpose of the cell search includes: (1) acquiring frequency and symbol synchronization with the cell; (2) acquiring downlink frame timing, that is, starting position of the downlink frame; and (3) determining physical layer cell identification of the cell (Physical-layer Cell) Identity, PCI).
  • the terminal device needs to acquire the SI of the cell, which includes a set of parameters related to one or some functions.
  • RRC Radio Resource Control
  • MIB Master Information Block
  • SIB System Information Blocks
  • the embodiment of the invention provides a method for transmitting data, a terminal device and a network device, which can flexibly broadcast system information, so as to adapt the service of the cell in real time.
  • a method for transmitting data comprising:
  • the terminal device receives the first system information by using the first resource on an unlicensed spectrum.
  • the terminal device obtains the first indication, where the first indication is used to indicate the first resource, where the first resource is used by the network device to send system information, and then the system information is received by the first resource, Flexiblely broadcast system information, so that the cell's services can be adapted in real time.
  • the embodiment of the present invention can be applied to an unlicensed spectrum Unlicensed cell, and can work independently or rely on The authorized cell can work normally, such as a licensed-assisted access (LAA) cell.
  • LAA licensed-assisted access
  • the first system information may be system information for a certain type of cell, for example, the frequency of the cell in the time domain is 2.4G-2.5GHz, 5-6GHz, 50-70GHz, 35-36GHz, etc. .
  • the cell is a cell that needs to perform idle channel estimation before transmitting data, for example, an unlicensed spectrum cell.
  • the first indication may be a common indication channel, where the common indication channel refers to a channel that can be read by all terminal devices in the serving cell where the terminal device is located.
  • the terminal device can acquire the first resource by reading the common indication channel.
  • the first resource may be a time-frequency resource or a time domain resource.
  • the offset between the time unit corresponding to the first system information (such as the time domain position) and the first system information is an integer greater than or equal to 0.
  • the time unit may be time domain information such as a time domain location, a subframe, a slot slot, a Mini-slot, or an OFDM symbol.
  • the interval between the length of the time unit corresponding to the first indication and the length of the time unit corresponding to the first system information may be configured by the network device.
  • the first indication when the offset between the time unit corresponding to the first indication and the time unit corresponding to the first system information is 0, it indicates that the first indication is in the same time unit as the first system information (for example, the same subframe, the same symbol, etc.).
  • the first indication and the first system information may be in different frequency domains.
  • the first indication may further indicate first information, where the first information is used to notify the terminal device that the first system information that the terminal device desires or needs is present.
  • the first indication may also indicate the type of system information. This type can be divided into a common common SI and a service SI, or an on-demand broadcast of SI and an unon-demand broadcast of SI.
  • the first system information includes at least one of the following information:
  • the downlink bandwidth information of the serving cell The downlink bandwidth information of the serving cell, the number of types of at least one subcarrier spacing in the serving cell, the bandwidth information occupied by each subcarrier interval in the at least one subcarrier interval, the system frame number, the configuration information of the cell selection by the terminal device,
  • the terminal device performs configuration information of random access, a cell list included in the system information, and a system message of the service.
  • the method further includes:
  • the terminal device sends request information to the network device, where the request information is used to request the first system information;
  • the terminal device receives the first system information at the first resource, including:
  • the terminal device receives, at the first resource, the first system information that is sent by the network device according to the request information.
  • the method further includes:
  • the terminal device acquires a synchronization signal, and the synchronization signal is sent by the network device in any time unit, and the synchronization signal is used by the terminal device to perform downlink synchronization.
  • the synchronization signal may be transmitted in any one of the downlink subframes, and the synchronization signal in LTE may only be transmitted in subframe 0 and subframe 5.
  • the transmission mechanism of the synchronization signal in the embodiment of the present invention is also relatively flexible compared to the prior art.
  • the method further includes:
  • a physical channel where the physical channel is used to indicate whether at least one of a synchronization signal and second system information exists in a transmission resource of the downlink data
  • the physical channel and the downlink data transmission resource are located in the same serving cell, or in different serving cells, or correspond to different subcarrier spacing types, or correspond to different transmission times.
  • Transmission Time Interval (TTI) type is a transmission Time Interval type.
  • the physical channel is used to indicate the transmission resource of the downlink data
  • the physical channel may include: self-scheduling (it may be understood that the physical channel is located in the same cell as the physical channel carrying the downlink data), and the cross-carrier Scheduling (it can be understood that the physical channel is located in a different cell from the physical channel carrying the downlink data) and is scheduled across sub-carrier types (it can be understood that the physical channel is different from the physical channel carrying the downlink data in different cells of the same cell) Any of the carrier spacing types).
  • the method further includes:
  • the terminal device Receiving, by the terminal device, a second indication sent by the network device, where the second indication is used to indicate the first time information, where the first time information includes at least one of a time start location and a time length information;
  • the terminal device receives the updated system information by using the second resource.
  • the “second indication” can be understood as a mechanism for changing the system information. In specific implementation, it can be applied to the “network device paging terminal device” process.
  • the second indication may be a paging message sent by the network device to the terminal device.
  • the terminal device determines a subframe position (such as a second resource) of the final system information according to the paging message and the first indication (such as a common indication channel).
  • the terminal device receives the system information at the first resource, including:
  • the terminal device starts a first timer, and receives the first system information at the first resource during the running of the first timer;
  • the method also includes:
  • the terminal device If the first system information is not received after the first timer expires, the terminal device performs cell reselection.
  • the terminal device obtains a first indication, where the first indication is used to indicate a first resource, where the first resource is used by the network device to send system information, and then received at the first resource.
  • the system information can flexibly broadcast system information, thereby adapting the services of the cell in real time. Further, by setting the first timer, the terminal device performs cell reselection at an appropriate opportunity, thereby preventing the terminal device from receiving the SI for a long time and affecting the service experience.
  • the first indication may be that the network device sends the protocol pre-configured parameter, and the protocol pre-configured parameter network device and the terminal device are all known, specifically, at least one of the following: preset The modulation coding scheme, the preset time-frequency domain resource location, and the preset sub-carrier spacing type; or the first indication may be that the network device adopts at least one of a dynamic modulation and coding scheme and a dynamic time-frequency domain resource location.
  • One type of transmission is possible.
  • the first indication is transmitted with the same or different transmission opportunity TXOP.
  • the transmission opportunity refers to the usage time of the network device or the terminal device after acquiring the channel through the idle channel detection.
  • a method for transmitting data comprising:
  • the network device acquires a first indication, where the first indication is used to indicate the first resource
  • the network device sends the first system information to the terminal device by using the first resource on the unlicensed spectrum.
  • the network device may obtain the first indication, where the first indication is used to indicate the first resource, and the first resource is sent to the terminal device by using the first resource on the unlicensed spectrum, so that the terminal device is in the
  • the first resource receives the first system information, and can flexibly broadcast system information, so that the service of the cell is adapted in real time.
  • the method further includes:
  • the network device sends the first system information to the terminal device in the first resource, including:
  • the network device sends the first system information to the terminal device in the first resource according to the request information.
  • the method may further include:
  • the network device transmits a synchronization signal to the terminal device in any subframe.
  • the network device may not be limited to transmit the synchronization signal only on the subframe 0 or the subframe 5, and may be flexibly transmitted on any one of the subframes, which is not limited thereto.
  • the method further includes:
  • the network device sends a physical channel to the terminal device, where the physical channel is used to indicate whether at least one of a synchronization signal and a second system information exists in a transmission resource of the downlink data.
  • the method further includes:
  • the network device sends a second indication to the terminal device, where the second indication is used to indicate the first time information, where the first time information includes at least one of a time start position and a time length information, where the first time information is used. Determining a second resource at the terminal device;
  • the network device sends the updated system information using the second resource.
  • the “second indication” can be understood as a mechanism for changing the system information. In specific implementation, it can be applied to the “network device paging terminal device” process.
  • the second indication may be a paging message sent by the network device to the terminal device.
  • the terminal device determines a subframe position (such as a second resource) of the final system information according to the paging message and the first indication (such as a common indication channel).
  • the first indication is sent to the terminal device by using a pre-configured solution, where the pre-configured solution includes at least one of the following: a preset modulation and coding scheme, a preset Time domain resource location, preset frequency domain resource location, and preset subcarrier spacing type.
  • the first indication may be that the network device sends the protocol pre-configured parameter, and the protocol pre-configured parameter network device and the terminal device are all known, specifically, at least one of the following: preset The modulation coding scheme, the preset time-frequency domain resource location, and the preset sub-carrier spacing type; or the first indication may be that the network device adopts at least one of a dynamic modulation and coding scheme and a dynamic time-frequency domain resource location.
  • One type of transmission is possible.
  • a terminal device for performing the method of any of the above first aspect or any of the possible implementations of the first aspect.
  • the terminal device comprises means for performing the method of any of the above-described first aspect or any of the possible implementations of the first aspect.
  • a network device for performing the method of any of the foregoing second aspect or any of the possible implementations of the second aspect.
  • the network device comprises means for performing the method of any of the above-described second or second aspects of the second aspect.
  • a terminal device in a fifth aspect, includes a processor, a memory, and a communication interface.
  • the processor is coupled to the memory and communication interface.
  • the memory is for storing instructions for the processor to execute, and the communication interface is for communicating with other network elements under the control of the processor.
  • the processor executes the instructions stored by the memory, the executing causes the processor to perform the method of the first aspect or any possible implementation of the first aspect;
  • a network device in a sixth aspect, includes a processor, a memory, and a communication interface.
  • the processor is coupled to the memory and communication interface.
  • the memory is for storing instructions for the processor to execute, and the communication interface is for communicating with other network elements under the control of the processor.
  • the processor executes the instructions stored by the memory, the execution causes the processor to perform the method of any of the possible implementations of the second aspect or the second aspect.
  • a computer readable storage medium storing a program causing a terminal device to perform the first aspect described above, and any one of its various implementations for transmitting data Methods.
  • a computer readable storage medium storing a program causing a network device to perform the second aspect described above, and any of its various implementations for transmitting data Methods.
  • Figure 1 is a schematic diagram of an application scenario.
  • FIG. 2 is a schematic flow chart of a method for transmitting data according to an embodiment of the present invention.
  • FIG. 3 is a schematic flowchart of a method for data transmission according to another embodiment of the present invention.
  • FIG. 4 is a schematic block diagram of a terminal device according to an embodiment of the present invention.
  • FIG. 5 is a schematic block diagram of a network device according to an embodiment of the present invention.
  • FIG. 6 is a structural block diagram of a terminal device according to an embodiment of the present invention.
  • FIG. 7 is a structural block diagram of a network device according to an embodiment of the present invention.
  • LTE Long Term Evolution
  • FDD Frequency Division Duplex
  • TDD Time Division Duplex
  • UMTS Universal Mobile Telecommunication System
  • 5G communication systems such as New Radio (NR) wireless systems.
  • LTE Long Term Evolution
  • FDD Frequency Division Duplex
  • UMTS Universal Mobile Telecommunication System
  • NR New Radio
  • the terminal device may communicate with one or more core networks via a Radio Access Network (RAN), and the terminal device may be referred to as an access terminal, a terminal device, and a user.
  • RAN Radio Access Network
  • the terminal device may be referred to as an access terminal, a terminal device, and a user.
  • the user equipment can be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a Wireless Local Loop (WLL) station, a Personal Digital Assistant (PDA), and a wireless communication function.
  • the network device may be used to communicate with the user equipment, where the network device may Therefore, it is a base station (Base Transceiver Station, BTS) in the GSM system or CDMA, or a base station (NodeB, NB) in the WCDMA system, or an evolved base station (Evolutional Node B, eNB or eNodeB) in the LTE system.
  • BTS Base Transceiver Station
  • NodeB, NB base station
  • Evolutional Node B, eNB or eNodeB evolved base station
  • the network device may be a relay station, an access point, an in-vehicle device, a wearable device, and a base station device in a future 5G network.
  • the embodiment of the present invention can be applied to an unlicensed spectrum cell, can work independently, does not need to rely on other cells, or depends on an authorized cell to work normally, such as Licensed-Assisted Access (LAA).
  • LAA Licensed-Assisted Access
  • the unlicensed spectrum of the operator may be the spectrum used by the Wireless Local Area Network (WLAN).
  • the network device or the terminal device of the unlicensed spectrum cell needs to perform an idle channel detection mechanism, for example, a Listen Before Talk (LBT) mechanism, and the use time of the unlicensed channel of the unlicensed spectrum cell is also limited.
  • LBT Listen Before Talk
  • the system is referred to as an LAA system, and the system may include an unlicensed spectrum cell that can work independently.
  • the system may have other names, which is not limited in this embodiment of the present invention.
  • Network devices e.g., base stations or base station controllers, etc.
  • terminal devices in a cellular network may communicate using an authorized carrier or an unlicensed carrier.
  • the network device or the terminal device may compete with the nodes in the WLAN and other LAA nodes in the cellular network adopting the LAA mechanism for resources on the unlicensed carrier before using the unlicensed carrier for data transmission, and adopt the resources on the unlicensed carrier after competing for resources.
  • the user equipment or the network device may perform a data transmission according to a load based equipment (LBE) channel monitoring mechanism or a Frame Based Equipment (FBE) channel detection mechanism, which is an embodiment of the present invention. There is no limit to this.
  • LBE load based equipment
  • FBE Frame Based Equipment
  • Figure 1 is a schematic diagram of a scene. It should be understood that, for ease of understanding, the scenario in FIG. 1 is introduced as an example, but the present invention is not limited.
  • the terminal device 11, the terminal device 12, the terminal device 13, and the base station 21 are shown in FIG.
  • the terminal device 11 can communicate with the base station 21, the terminal device 12 can communicate with the base station 21, and the terminal device 13 communicates with the base station 21.
  • the terminal device 12 can also communicate with the terminal device 11.
  • the terminal device 13 communicates with the base station 12.
  • the terminal device and base station in Figure 1 can be applied to the LAA system.
  • SI System Information
  • SIB1 System Information Block 1
  • SIB2 System Information Block 1
  • the present invention seeks to provide a method for transmitting data, by adding a first indication, receiving system information on a first resource indicated by the first indication, and the system information can be performed at any time domain position after acquiring the channel.
  • the transmission enables flexible broadcast of system information, thereby adapting the services of the cell in real time and making full use of the transmission opportunities.
  • FIG. 2 shows a schematic flow diagram of a method 200 for transmitting data in accordance with an embodiment of the present invention.
  • the method can be performed by a terminal device, such as any of the terminal devices of FIG.
  • the method 200 includes:
  • the terminal device acquires a first indication from the network device, where the first indication is used to indicate the first resource, where the first resource is The source is used by the network device to send the first system information on the unlicensed spectrum;
  • the first indication may be a common indication channel, where the common indication channel refers to a channel that can be read by all terminal devices (such as a certain terminal device or some terminal device groups in the serving cell) in the serving cell.
  • the terminal device can acquire the first resource by reading the common indication channel.
  • the first resource may be a time-frequency resource or a time domain resource.
  • the offset between the time unit corresponding to the first system information (such as the time domain location or the time domain resource unit) and the first system information is an integer greater than or equal to 0.
  • the time unit may be time domain information such as a time domain location, a subframe, a slot, a Mini-slot, or an Orthogonal Frequency Division Multiplexing (OFDM) symbol, which is not limited thereto.
  • the first resource is an SI subframe.
  • SI subframe refers to a subframe for transmitting SI.
  • the SI subframe can be used for sending the SI message, and can also be used for sending any other type of data, which is not limited.
  • the subframe corresponding to the first indication and the subframe corresponding to the first system information may be the same subframe, or may be different subframes.
  • the interval between the length of the time unit corresponding to the first indication and the length of the time unit corresponding to the first system information may be configured by the network device.
  • the first indication when the offset between the time unit corresponding to the first indication and the time unit corresponding to the first system information is 0, it indicates that the first indication is in the same time unit as the first system information (for example, the same subframe, the same symbol, etc.).
  • the first indication and the first system information may be in different frequency or code domains.
  • the first system information may be system information for a certain type of cell, for example, the frequency of the cell in the time domain is 2.4G-2.5GHz, 5-6GHz, 50-70 GHz, 35-36 GHz. Wait.
  • the cell is a cell that needs to perform idle channel estimation before transmitting data, for example, an unlicensed spectrum Unlicensed cell.
  • the first indication may be transmitted in the same transmission opportunity (Transmission Opportunity (TXOP)) as the first system information.
  • TXOP Transmission Opportunity
  • the first indication may also be transmitted with the system information at a different TXOP.
  • the transmission opportunity refers to the usage time of the network device or the terminal device after acquiring the channel through the idle channel detection.
  • the network device may indicate the number of transmission opportunities that are separated between the first indication and the first system information.
  • the first indication may further indicate the first information, where the first information is used to notify the terminal device that the first system information that is required or required by the terminal device exists.
  • the first information may be represented by a computer language (such as Boolean bool) or by a system information block list SIB list.
  • bool when the bool is 0, it indicates that the system information required by the terminal device does not exist in the first system information; when the bool is 1, it indicates that the system information required by the terminal device exists in the first system information.
  • SIB list if the system information expected by the terminal device is SIB1, and the SIB list includes SIB1, it means that the system information required by the terminal device exists in the system information, and if there is no SIB1 in the SIB list, Indicates that the system information required by the terminal device does not exist in the system information.
  • the mapping relationship between the first information and the first system information may be preset by a protocol.
  • the protocol stipulates that when the first information bool is 1, it indicates that the system information required by the terminal device exists in the first system information.
  • the first indication may further indicate more information, such as the second information, and the second information may indicate that the bool is 0, indicating that the system information required by the terminal device does not exist in the first system information, which is not limited.
  • the first indication may also indicate the type of system information.
  • This type can be divided into a common common SI and a service SI, or an on-demand broadcast of SI and an unon-demand broadcast of SI.
  • the system information may include a public common SI and a service SI.
  • the common SI is the SI that is common to all services and is the most basic SI parameter set of the cell, and the service SI can be used for a certain type of service.
  • the service SI can be specifically classified into Machine Type Communication (MTC) SI, Ultra Reliable & Low Latency Communication (URLLC) SI, and Mobile Broadband (MBB) SI. Wait.
  • MTC Machine Type Communication
  • URLLC Ultra Reliable & Low Latency Communication
  • MBB Mobile Broadband
  • the common SI may be sent by using a preset modulation and coding scheme and a preset time-frequency resource; or may be sent by using a dynamic scheduling manner. Specifically, by monitoring the downlink control channel, the modulation and coding scheme is learned. Time-frequency resources, etc., wherein the downlink control channel can occur at least once within one subframe.
  • the common SIBx (x represents the number of any SIB) in the common SI may also be distinguished by using different Radio Network Temporary Identity (RNTI).
  • RNTI Radio Network Temporary Identity
  • the common SI can receive the RNTI in a unified manner, and then distinguish different common SIBxs through the Medium Access Control (MAC) layer or the (Radio Resource Control, RRC) layer, where the logical layer number of the MAC layer is The association or relationship between the business common SIBx can be pre-defined in the agreement.
  • MAC Medium Access Control
  • RRC Radio Resource Control
  • the service SI is sent in a dynamic scheduling manner. Specifically, by listening to the downlink control channel, the modulation coding scheme, the time-frequency resource, and the like are learned, and the RNTI can be uniformly received, and then differentiated by the MAC layer. Different service SIs, in which the association or relationship between the logical channel number of the MAC layer and the service SI can be pre-defined in the protocol. For example, the service SI can be distinguished by different RNTIs, that is, the service SI is distinguished by using different scrambling identifiers, and the terminal device can descramble the RNTI as needed to obtain the desired SI.
  • the RNTI for different services may be specified by the protocol or by the common SI.
  • the first indication (for example, carried in the common indication channel) may also indicate a collection type of the specific function corresponding to the service SI, so as to reduce the implementation complexity of the terminal device acquiring the SI.
  • the method 200 may further include:
  • the terminal device acquires a synchronization signal, and the synchronization signal is sent by the network device in any time unit, and the synchronization signal is used by the terminal device to perform downlink synchronization.
  • the terminal device may acquire a downlink synchronization signal sent by the network device, so as to perform downlink synchronization or OFDM symbol synchronization.
  • the time unit may be a subframe, a transmission interval, a scheduling granularity unit, and an OFDM symbol.
  • the synchronization signal may be transmitted in any one of the downlink subframes, and the synchronization signal can only be transmitted in subframe 0 and subframe 5 in the prior art.
  • the transmission mechanism of the synchronization signal in the embodiment of the present invention is also relatively flexible compared to the prior art.
  • the synchronization signal may include a Primary Synchronization Signal (PSS) and a Secondary Synchronization Signal (SSS).
  • PSS Primary Synchronization Signal
  • SSS Secondary Synchronization Signal
  • the terminal device uses the first resource to receive the first system information on an unlicensed spectrum.
  • the terminal device may obtain the first indication, where the first indication is used to indicate the first resource, where the first resource is used by the network device to send the first system information on the unlicensed spectrum, and then used on the unlicensed spectrum.
  • the first resource receives the first system information, and the system information can only be transmitted in a fixed period according to the prior art, and the system information can be flexibly broadcasted, thereby adapting the cell service and fully utilizing the transmission in real time. Opportunities to improve the reliability of system information broadcasting.
  • the first indication may be that the network device adopts a protocol pre-configured parameter.
  • the protocol pre-configured parameter network device and the terminal device are all known, and specifically include at least one of the following: a preset modulation and coding scheme, a preset time-frequency domain resource location, and a preset sub-carrier spacing type;
  • the first indication may be that the network device sends by using at least one of a dynamic modulation and coding scheme and a dynamic time-frequency domain resource location, and the terminal device may receive the at least one first indication in one subframe.
  • the network device needs to obtain a channel before sending the first indication, or it may be understood that the network device detects that the state of the channel is idle.
  • the first system information may be sent in a preset time-frequency domain resource location in a subframe by using a preset modulation and coding scheme.
  • the MIB can be sent through a Physical Broadcast Channel (PBCH).
  • PBCH Physical Broadcast Channel
  • the first system information (such as Common SI) may also be obtained by dynamically scheduling in a downlink subframe.
  • the terminal device reads Downlink Control Information (DCI) signaling to obtain the time-frequency domain resource location of the Common SI and the modulation and coding scheme used.
  • DCI Downlink Control Information
  • the Common SIBx may be transmitted through a Physical Downlink Shared Channel (PDSCH).
  • PDSCH Physical Downlink Shared Channel
  • the first system information includes at least one of the following information:
  • the downlink bandwidth information of the serving cell, the number of types of at least one subcarrier spacing in the serving cell, and the bandwidth information occupied by each subcarrier spacing in the at least one subcarrier interval (including at least one of uplink bandwidth information and downlink bandwidth information)
  • System frame number information configuration information of the terminal device for cell selection (eg, cell camping threshold, signal quality strength, etc.), configuration information of the terminal device for random access (eg, leading root sequence, total number of preambles) Information such as the number of preamble transmissions, the preamble transmission power configuration parameter, the length of the random access response message window, the cell list of the first system information, the system information of the service, the duplex mode of the cell, and the uplink multiple access mode Channel coding mode information, slot type information, and Transmission Time Interval (TTI) length information.
  • TTI Transmission Time Interval
  • the system information of the service informs the terminal device of the processing method of the radio link control layer, such as an Acknowledgment Mode (AM) AM mode or an Unacknowledgment Mode (UM) mode, where the service can refer to a specific type of service.
  • AM Acknowledgment Mode
  • UM Unacknowledgment Mode
  • MBB MBB
  • MTC MTC
  • URLLC URLLC
  • disaster notification service etc.
  • the cell list may also be referred to as a valid area, which means that the first system information can be used by the cells in the cell list.
  • the common SI may indicate at least one of the following information: the downlink bandwidth of the cell, the total number of numerologies supported by the cell, the bandwidth of the subband corresponding to each numerology, and the numerology corresponding to each service SI.
  • System frame number SFN
  • configuration information related to cell selection such as cell resident threshold, signal quality strength, etc.
  • configuration of random access for example, leading root sequence, total number of preambles, Information such as the number of preamble transmissions, the preamble transmission power configuration parameter, the length of the random access response message window, the information of the effective subframe area, the SI of the specific service, and the like.
  • the numerology may be determined by at least one of a subcarrier spacing and a symbol length.
  • the numerologies of the cells may be time division multiplexed and/or frequency division multiplexed.
  • first system information may also include other reasonable information when the specific implementation is implemented, which is not limited thereto.
  • the terminal device obtains the first indication, where the first indication is used to indicate the first resource, where the first resource is used by the network device to send the first system on the unlicensed spectrum.
  • the information is then used to receive the first system information by using the first resource on the unlicensed spectrum, and the system information can be flexibly broadcasted, so that the service of the cell is adapted in real time.
  • the method 200 may further include:
  • the terminal device sends request information to the network device, where the request information is used to request the first system information;
  • the S220 can include:
  • the terminal device may send the request information to the network device, so as to request the required SI, for example, the terminal device requests the required SI from the network device according to the requirements of the current service.
  • the network device can respond to the request of the terminal device and send the SI to the terminal device.
  • the terminal device may receive the service SI that the network device responds with a specific RNTI, and the RNTI may be associated with the resource used by the request information, or associated with a certain service. Therefore, the terminal device can actively initiate a request to the network device to obtain the desired system information. After the terminal device initiates multiple requests, the system information is not obtained, and the cell reselection process is performed.
  • the maximum number of times a system message request is sent is pre-defined by the protocol. Alternatively, the request message may be a preamble sequence.
  • the method 200 may further include:
  • a physical channel where the physical channel is used to indicate whether at least one of a synchronization signal and a second system information exists in a transmission resource of the downlink data
  • the downlink data includes at least one of the following: a paging message, a system message, a random access response message, a dedicated unicast message, and a Multicast Broadcast Multicast Service (MBMS) message.
  • MBMS Multicast Broadcast Multicast Service
  • the terminal device receives a physical channel, and the physical channel is further configured to indicate a start time unit and a duration of the at least one subcarrier spacing type.
  • the time unit may be any one of a subframe, an OFDM symbol, a slot length, and a transmission time interval length. If the terminal device cannot use the subcarrier type indicated by the network device, the terminal device does not expect to receive any signal or blindly check the downlink control channel for the duration of the subcarrier type indicated by the network device, thereby achieving power saving. effect.
  • the physical channel is sent by using a preset subcarrier spacing type.
  • the sending period and the time domain position of the physical channel are notified by the physical device to the terminal device by using a unicast or broadcast message.
  • the terminal device may receive a physical channel, where the physical channel includes a Physical Downlink Control Channel (PDCCH) and a Physical Downlink Shared Channel (PDSCH), where the physical channel is used.
  • the physical channel includes a Physical Downlink Control Channel (PDCCH) and a Physical Downlink Shared Channel (PDSCH), where the physical channel is used.
  • PDCCH Physical Downlink Control Channel
  • PDSCH Physical Downlink Shared Channel
  • At least one of a synchronization signal and second system information is present in the transmission resource indicating the downlink data.
  • the PDCCH channel indicates whether at least one of the synchronization signal and the MIB exists in the downlink data subframe.
  • the second system information may be the same as or different from the first system information.
  • the receiving, according to at least one of the synchronization signal and the second system information, the downlink data sent by the network device is: if the synchronization signal or the second system information exists in the transmission resource. And then deducting the transmission resource corresponding to the second system information or the synchronization signal, and decoding the downlink data in the remaining transmission resource; if the synchronization signal or the second system information does not exist in the transmission resource, the terminal device transmits in all downlinks The resource attempts to decode and receive the downlink data.
  • the physical channel is located in the same serving cell as the transmission resource of the downlink data, or is located in a different serving cell, or corresponds to a different subcarrier spacing type, or corresponds to a different Transmission Time Interval (TTI). Types of.
  • TTI Transmission Time Interval
  • the physical channel is used to indicate the transmission resource of the downlink data
  • the physical channel may include: self-scheduling (it may be understood that the physical channel is located in the same cell as the physical channel carrying the downlink data), and the cross-carrier Scheduling (it can be understood that the physical channel is located in a different cell from the physical channel carrying the downlink data) and is scheduled across sub-carrier types (it can be understood that the physical channel is different from the physical channel carrying the downlink data in different cells of the same cell) Any of the carrier spacing types).
  • the method 200 may further include:
  • the terminal device Receiving, by the terminal device, a second indication sent by the network device, where the second indication is used to notify that the system information is changed, and the second indication is further used to indicate the first time information, where the first time information includes a time start location, At least one of the length information;
  • the terminal device receives the updated system information by using the second resource.
  • the terminal device may receive a second indication sent by the network device, such as a paging paging message, where the second indication is used to notify the terminal device system of the message sending change, and is further used to indicate the first time information, the first time.
  • Information refers to the change position information of the system information subframe.
  • the terminal device selectively wakes up to the corresponding time domain location according to the first time information to start receiving the downlink signal and acquiring the system information, thereby achieving the power saving effect.
  • the first time information may include at least one of a time start position and a time length information, such as a subframe offset, a number of subframes, a subframe length, and the like.
  • the terminal device may determine the second resource according to the first resource mentioned in the foregoing. It may be understood that the second resource is determined according to the first indication and the second indication, and the second resource is used to receive the update. System information.
  • the “second indication” can be understood as a mechanism for changing the system information. In specific implementation, it can be applied to the “network device paging terminal device” process.
  • the second indication may be a paging message sent by the network device to the terminal device.
  • the terminal device determines a subframe position (such as a second resource) of the final system information according to the paging message and the first indication (such as a common indication channel).
  • the number “first” or “second” is introduced only to distinguish different objects, for example, to distinguish different “indications” or to distinguish different “resources”, and the present invention is not The composition is limited.
  • the network device may determine, according to the identifier of the terminal device sent by the core network device, the paging time period, that is, the paging start time and the duration.
  • the duration may be notified to the terminal device by using a system message broadcast, or may be pre-defined by a protocol, or may be notified by the paging message, for example, may be a number of consecutive subframes.
  • the paging message may be sent in at least one time unit of the paging time period. The paging message carries the identifier of the core network device of the terminal device.
  • the terminal device determines a paging start time according to the identifier of the terminal device, determines a duration according to the system information or a paging message or a protocol, and receives the paging message in the determined paging period. Determining whether a paging response needs to be initiated according to the terminal device identification field in the paging message can be understood as a service request, or whether system information needs to be updated.
  • S220 may further include:
  • the terminal device starts a first timer, where the duration of the first timer is pre-configured by the protocol, and the first system information is received at the first resource during the running of the first timer;
  • the method 200 can also include:
  • the terminal device If the first system information is not received after the first timer expires, the terminal device performs cell reselection.
  • the terminal device may introduce a first timer, and receive the first system information in the first timer. If the first system information has not been received after the first timer expires, the terminal device may perform cell reselection to re-resident the cell.
  • the duration of the first timer may be pre-configured by the protocol. Depending on the type of system information, the duration configuration of the first timer may be different.
  • the system message type may be related to the service SI, or the specific function SI is related, or the common SI is related.
  • the terminal device obtains the first indication, where the first indication is used to indicate the first resource, where the first resource is used by the network device to send the first system on the unlicensed spectrum.
  • the information is then used to receive the first system information by using the first resource on the unlicensed spectrum, and the system information can be flexibly broadcasted, so that the service of the cell is adapted in real time.
  • the terminal device performs cell reselection at an appropriate opportunity, thereby preventing the terminal device from receiving the SI for a long time and affecting the service experience.
  • the present invention further provides another embodiment, in the random access process after acquiring the system information of the basic parameter configuration of the random access (the leading root sequence, the maximum number of preamble transmissions, the step size of the power climbing, etc.) It is mainly used in the non-contention random access process to obtain uplink synchronization, which may specifically include:
  • the terminal device receives a third indication sent by the network device, where the third indication is used to allocate a random access preamble sequence number index, where the third indication is that the network device uses the cell identifier C-RNTI of the terminal device or the cell identifier of the terminal device group. Scrambled
  • the terminal device receives a fourth indication sent by the network device, where the fourth indication is used to indicate a random access resource, such as a time domain resource or a time-frequency resource.
  • the fourth indication is further used to indicate the random access resource.
  • a subcarrier spacing type or a preamble sequence format the fourth indication is that the network device uses the public identity specified by the protocol, or the cell identifier of the terminal device group, or the cell identifier C-RNTI of the terminal device, to perform scrambling;
  • the terminal device sends a preamble sequence Preamble to the network device according to the third indication and the fourth indication, where the preamble sequence is used by the network device to calculate an uplink advance amount of the terminal device. If the unlicensed cell is used, the terminal device needs to obtain an unlicensed channel before transmitting the preamble sequence, and specifically includes: the transmission opportunity of the terminal device sharing the network device when the fourth indication is sent, and selecting to use the specific time.
  • Length of idle channel detection mechanism such as 25 microsecond LBT, without performing back-based idle channel detection mechanism; if idle channel detection is idle in a certain time, such as 25 microsecond LBT, or within a certain time
  • the signal strength in the unlicensed channel is lower than a certain threshold, and the terminal device sends a preamble sequence to the network device, where the threshold value may be pre-defined by the protocol, or the terminal information is notified by the system information through broadcast/unicast;
  • the terminal device receives a random access response (RAR) message sent by the network device, and the content of the random access response message includes at least one of the following: an uplink time advance amount (for notifying the terminal device for uplink synchronization), and the terminal
  • the cell temporary identifier, the first uplink transmission resource (such as a frequency domain resource, or a physical resource block size).
  • the first uplink transmission resource may further indicate the first time offset; specifically, the terminal device receives the RAR according to a Random Access Radio Network Temporary Identity (RA-RNTI), where the random number is The temporary identifier is calculated by the terminal device according to the fourth access random access resource, or the network device indicates the terminal device, such as a third indication.
  • RA-RNTI Random Access Radio Network Temporary Identity
  • the terminal device generates the first data according to the first uplink transmission resource, and sends the first data to the network device. Specifically, the terminal device receives a fifth indication sent by the network device, where the fifth indication is used to indicate the first time, the terminal device Root The first data is sent according to the fifth indication, or the terminal device determines the second time according to the first time of the fifth indication and the first time offset of the first uplink transmission resource, and sends the second time One data.
  • the first time and the second time may be a time, or a time period, such as a subframe, a slot, or a transmission time interval TTI.
  • the present invention further provides another embodiment.
  • the method may include: the terminal device may receive configuration information, where the configuration information is used to configure an uplink semi-persistent scheduling period, where the semi-persistent scheduling refers to a network. The device only needs to allocate the uplink resource once, and configures the scheduling period.
  • the terminal device periodically performs uplink transmission according to the uplink resource and the scheduling period, without waiting for additional uplink resources, and the configuration information may be configured through an RRC message;
  • the terminal device may further receive indication information, where the indication information is used to indicate a semi-persistently scheduled uplink transmission resource (such as a frequency domain resource or a time domain resource); the terminal device may perform an uplink initial transmission on the subframe indicated by the indication information, and then The initial transmission of the new data is periodically performed according to the period configured in the indication information and the configuration information.
  • the terminal device regenerates a first data, for example, a MAC protocol data unit, in each uplink initial transmission ( Protocol Data Unit (PDU), which can also be understood as every periodic initial transmission Generating different data, and sends the first data base.
  • PDU Protocol Data Unit
  • the terminal device may start the second timer when the uplink initial transmission is performed, and stop the third timer; after the second timer expires, start the third timer, where the third timer is used for the terminal device to wait for possible Retransmitting uplink resources for the first data.
  • the terminal device may stop the third timer when performing an uplink initial, and the third timer may be a downlink retransmission timer,
  • the uplink retransmission timer UL retransmission timer, the active timer in activity timer, and the duration timer on the duration timer.
  • the downlink retransmission timer is used to wait for possible downlink retransmission data;
  • the uplink retransmission timer is used to wait for grant resources for possible uplink retransmission;
  • the activity timer is started or restarted after the PDCCH indicates a new transmission. Waiting for possible uplink grants;
  • the on duration timer is used to maintain a periodic awake state in order to monitor the PDCCH.
  • first data refers only to the data when an uplink initial transmission is performed, and does not limit the embodiment of the present invention.
  • the second timer may be an Uplink Trip Time Timer (UL RTT Timer).
  • UL RTT Timer Uplink Trip Time Timer
  • the terminal starts the UL RTT timer at the initial time of the uplink. After the UL RTT timer expires, the terminal device can start the uplink retransmission timer UL Retransmission Timer; during the UL retransmission timer, it can wait for the retransmission of the first data of the initial transmission.
  • UL RTT Timer Uplink Trip Time Timer
  • the second timer may be a DRX In Activity Timer or another timer in the MAC layer or the RRC layer.
  • the terminal device can listen to the downlink control channel according to the third timer, and wait for possible retransmission of the uplink resource.
  • the present invention further provides another embodiment.
  • the method may include: the terminal device sends a preamble sequence Msg1 to the network device, where the network device calculates the uplink advance amount of the terminal device;
  • the terminal device sends a random access response message Msg2, and the random access response message may include information such as an uplink advance, an uplink transmission resource, and a temporary identifier.
  • the terminal device may start transmitting Msg3 in the indicated subframe according to the uplink transmission resource.
  • the Msg3 can be used to indicate the identity of the terminal device to the network device, and start a second timer, and the Msg3 can include a C-RNTI, an RRC message, and the like.
  • the second timer is started on the last repeated transmission.
  • the second timer is used for waiting Waiting for Msg4, the Msg4 is used by the network device to notify the terminal device that the random access competition is successful.
  • the first time zone is introduced, and the first time zone refers to a time zone in which the transmission of the Msg3 is removed during the second timer running time.
  • the terminal device monitors the PDCCH in the first time zone to receive the contention resolution message.
  • there is also a retransmission grant that can receive Msg3 in the first time zone.
  • the terminal device may not need to monitor the PDCCH during the transmission of the Msg3, including during repeated repetition.
  • the terminal device may stop the second timer and start the third timer. After the third timer expires, the terminal device starts the second timer again, and monitors the PDCCH during the second timer operation to obtain the contention resolution message. During the third timer operation, the PDCCH may not be monitored.
  • the terminal device may pause the second timer. After the Msg3 is sent or the Msg3 is sent repeatedly, the terminal device may resume the second timer, and monitor the PDCCH in the second timer to obtain the contention resolution message.
  • the pause time of the second timer is not included in the total duration of the second timer.
  • the PDCCH is monitored to obtain a contention resolution message.
  • the terminal device may introduce the first time zone to listen to the PDCCH in order to receive the contention resolution message.
  • the PDCCH is a channel for transmitting control signaling, and other names are not limited.
  • a method for transmitting data according to an embodiment of the present invention has been described above from the terminal device side, and a method for transmitting data according to an embodiment of the present invention will be described below from the network device side.
  • FIG. 3 shows a schematic flow diagram of a method 300 for transmitting data in accordance with an embodiment of the present invention.
  • the method 300 can be performed by a network device, for example, the network device can be the base station 21 of FIG.
  • the method 300 includes:
  • the network device acquires a first indication, where the first indication is used to indicate the first resource.
  • the network device sends the first system information to the terminal device by using the first resource on the unlicensed spectrum.
  • the network device may obtain the first indication, where the first indication is used to indicate the first resource, and the first resource is sent to the terminal device by using the first resource on the unlicensed spectrum, so that the terminal device is in the
  • the first resource is used to receive the first system information on the unlicensed spectrum, and the system information can be flexibly broadcasted, so that the service of the cell is adapted in real time.
  • the method 300 may further include:
  • S320 can include:
  • the network device sends the first system information to the terminal device in the first resource according to the request information.
  • the method 300 may further include:
  • the network device transmits a synchronization signal to the terminal device in any subframe.
  • the network device may not be limited to transmit the synchronization signal only on the subframe 0 or the subframe 5, and may be flexibly transmitted on any one of the subframes, which is not limited thereto.
  • the method 300 may further include:
  • the network device sends a physical channel to the terminal device, where the physical channel is used to indicate whether at least one of a synchronization signal and a second system information exists in a transmission resource of the downlink data.
  • the method 300 may further include:
  • the network device sends a second indication to the terminal device, where the second indication is used to indicate the first time information, where the first time information includes at least one of a time start position and a time length information, where the first time information is used. Determining a second resource at the terminal device;
  • the network device sends the updated system information using the second resource.
  • the first indication is sent to the terminal device by using a pre-configured solution, where the pre-configured solution includes at least one of the following: a preset modulation and coding scheme, a preset time domain resource location, and a preset Frequency domain resource location, preset subcarrier spacing type.
  • the first indication is sent by using at least one of a fixed modulation and coding scheme and a fixed time-frequency domain resource location; or the first indication is a dynamic modulation and coding scheme and a dynamic time-frequency domain resource location. At least one of the ones sent.
  • the network device determines the first indication, where the first indication is used to indicate the first resource, and the first resource sends the system information to the terminal device, so that the terminal device uses the first resource to receive the system information on the unlicensed spectrum.
  • the system information can be flexibly broadcasted, so that the service of the cell can be adapted in real time.
  • FIG. 4 shows a schematic block diagram of a terminal device 400 in accordance with an embodiment of the present invention.
  • the terminal device 400 can perform the method 200 for transmitting data in an embodiment of the present invention.
  • the terminal device 400 includes:
  • the obtaining module 410 is configured to acquire, by the network device, a first indication, where the first indication is used to indicate a first resource, where the first resource is used by the network device to send the first system information on the unlicensed spectrum;
  • the receiving module 420 is configured to receive the first system information by using the first resource acquired by the acquiring module 410 on the unlicensed spectrum.
  • the terminal device 400 obtains a first indication, where the first indication is used to indicate a first resource, where the first resource is used by the network device to send system information, and then the system information is received at the first resource.
  • the system information can be flexibly broadcasted, so that the services of the cell can be adapted in real time.
  • the offset between the time unit corresponding to the first indication and the time unit corresponding to the first system information is an integer greater than or equal to 0.
  • the first indication is further used to indicate the first information, where the first information is used to notify the terminal device that the first system information required by the terminal device exists.
  • the terminal device 400 further includes:
  • a sending module configured to send request information to the network device, where the request information is used to request the first system information
  • the receiving module 420 is specifically configured to:
  • the receiving module 420 is further configured to:
  • the physical channel is used to indicate whether at least one of a synchronization signal and a second system information exists in a transmission resource of the downlink data
  • the obtaining module 410 is further configured to:
  • the terminal device further includes:
  • a determining module configured to determine a second resource according to at least one of the time start location, the time length information, and the first resource
  • the receiving module 420 is further configured to receive the updated system information by using the second resource.
  • the receiving module 420 is specifically configured to:
  • the terminal device 400 further includes:
  • the processing module is configured to perform cell reselection if the first system information is not received after the first timer expires.
  • the terminal device 400 shown in FIG. 4 can implement various processes implemented by the terminal device in the foregoing embodiment, wherein in a specific product implementation, the sending module can be a transmitter, and the receiving module can be a receiver, an acquiring module, and a determining module. And other functional modules having processing and determining actions may be performed by at least one processor to avoid repetition, and are not described herein again.
  • the terminal device 400 obtains a first indication, where the first indication is used to indicate a first resource, where the first resource is used by the network device to send system information, and then the system information is received at the first resource, and the system can be flexibly broadcasted. Information, so that the business of the cell is adapted in real time.
  • FIG. 5 shows a schematic block diagram of a network device 500 in accordance with an embodiment of the present invention.
  • the network device 500 can perform the method 300 for transmitting data in accordance with an embodiment of the present invention.
  • the network device 500 includes:
  • the obtaining module 510 is configured to obtain a first indication, where the first indication is used to indicate the first resource;
  • the sending module 520 is configured to send the first system information to the terminal device by using the first resource on the unlicensed spectrum.
  • the network device 500 may obtain the first indication, where the first indication is used to indicate the first resource, and use the first resource to send the first system information to the terminal device on the unlicensed spectrum, so that the terminal device Receiving the first system information in the first resource, the system information can be flexibly broadcasted, so that the service of the cell is adapted in real time.
  • the network device further includes:
  • a receiving module configured to receive request information sent by the terminal device, where the request information is used by the terminal device to request the first system information
  • the sending module 520 is specifically configured to:
  • the sending module 520 is further configured to:
  • the sending module 520 is further configured to:
  • the device determines the second resource
  • the updated system information is sent using the second resource.
  • the network device 500 shown in FIG. 5 can implement various processes implemented by the network device in the foregoing embodiments, where In a specific product implementation, the sending module may be a transmitter, the receiving module may be a receiver, the acquiring module, and other processing actions may be performed by at least one processor. To avoid repetition, details are not described herein again.
  • the network device 500 can obtain the first indication, where the first indication is used to indicate the first resource, and use the first resource to send the first system information to the terminal device on the unlicensed spectrum, so that the terminal device is in the first resource.
  • the system information can be flexibly broadcasted, so that the service of the cell is adapted in real time.
  • FIG. 6 shows the structure of an apparatus for a terminal device according to still another embodiment of the present invention, comprising at least one processor 602 (for example, a CPU), at least one network interface 605 or other communication interface, a memory 606, and at least one communication bus. 603, for implementing connection communication between these devices.
  • the processor 602 is configured to execute executable modules, such as computer programs, stored in the memory 606.
  • the memory 606 may include a high speed random access memory (RAM), and may also include a non-volatile memory such as at least one disk memory.
  • a communication connection with at least one other network element is achieved by at least one network interface 605 (which may be wired or wireless).
  • the memory 606 stores a program 6061
  • the processor 602 executes the program 7061 for performing the method on the terminal device side of the aforementioned embodiment of the present invention.
  • FIG. 7 shows a structure of an apparatus for a network device according to still another embodiment of the present invention, including at least one processor 702 (for example, a CPU), at least one network interface 705 or other communication interface, a memory 706, and at least one communication bus. 703, used to implement connection communication between these devices.
  • the processor 702 is configured to execute executable modules, such as computer programs, stored in the memory 706.
  • the memory 706 may include a high speed random access memory (RAM), and may also include a non-volatile memory such as at least one disk memory.
  • a communication connection with at least one other network element is achieved by at least one network interface 705 (which may be wired or wireless).
  • the memory 706 stores a program 7061
  • the processor 702 executes the program 7061 for performing the method on the network device side of the foregoing embodiment of the present invention.
  • the size of the sequence numbers of the above processes does not mean the order of execution, and the order of execution of each process should be determined by its function and internal logic, and should not be taken to the embodiments of the present invention.
  • the implementation process constitutes any limitation.
  • the disclosed systems, devices, and methods may be implemented in other manners.
  • the device embodiments described above are merely illustrative.
  • the division of the unit is only a logical function division.
  • there may be another division manner for example, multiple units or components may be combined or may be Integrate into another system, or some features can be ignored or not executed.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in an electrical, mechanical or other form.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.
  • each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the functions may be stored in a computer readable storage medium if implemented in the form of a software functional unit and sold or used as a standalone product.
  • the technical solution of the present invention which is essential or contributes to the prior art, or a part of the technical solution, may be embodied in the form of a software product, which is stored in a storage medium, including
  • the instructions are used to cause a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of the methods described in various embodiments of the present invention.
  • the foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk, and the like, which can store program codes. .

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Abstract

本申请公开了一种用于传输数据的方法，包括：终端设备从网络设备获取第一指示，该第一指示用于指示第一资源，该第一资源用于网络设备在非授权频谱上发送第一系统信息；该终端设备在非授权频谱上使用该第一资源接收该第一系统信息。本发明实施例的用于传输数据的方法，通过获取第一指示，该第一指示用于指示第一资源，该第一资源用于网络设备在非授权频谱上发送第一系统信息，能够灵活地广播系统信息，从而实时得适配小区的业务。

Description

用于传输数据的方法、终端设备和网络设备
本申请要求于2016年11月4日提交中国专利局、申请号为201610962171.1、申请名称为“用于传输数据的方法、终端设备和网络设备”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请涉及通信技术领域，并且更具体地，涉及一种用于传输数据的方法、终端设备和网络设备。
背景技术
在长期演进(Long Term Evolution，LTE)系统中，终端设备要接入LTE网络，需要经过小区搜索、获取小区系统信息(System Information，SI)、随机接入等过程。其中，小区搜索的目的包括：(1)与小区取得频率和符号同步；(2)获取下行帧timing，即下行帧的起始位置；(3)确定小区的物理层小区识别(Physical-layer Cell Identity，PCI)。终端设备在进行小区搜索过程后，需要获取小区的SI，它包含了某个或某些功能相关的一系列参数集合。
在LTE中，有3种类型的无线资源控制(Radio Resource Control，RRC)消息可以用于传输系统信息SI，包括：主信息块(Master Information Block，MIB)消息、系统信息块(System Information Block，SIB)SIB1消息或其他SIB消息。
未来5G系统中会出现更多的业务类型，小区支持的业务类型也会相应增加。然而在现有技术中，系统信息是周期性广播的(具体比如，MIB和SIB1在时域上的位置和周期是固定的，其他SIB在时域上的位置和周期是由SIB1指定的)，不能够灵活得发送系统信息，从而无法实时适配小区的业务。在这种背景下，亟需提出一种新的方案。
发明内容
本发明实施例提供了一种用于传输数据的方法、终端设备和网络设备，能够灵活地广播系统信息，从而实时得适配小区的业务。
第一方面，提供了一种用于传输数据的方法，包括：
终端设备从网络设备获取第一指示，该第一指示用于指示第一资源，该第一资源用于网络设备在非授权频谱上发送第一系统信息；
该终端设备在非授权频谱上使用该第一资源接收该第一系统信息。
在本发明实施例中，终端设备通过获取第一指示，该第一指示用于指示第一资源，该第一资源用于网络设备发送系统信息，然后在该第一资源接收该系统信息，能够灵活地广播系统信息，从而较为实时得适配小区的业务。
在本发明实施例可以应用于非授权频谱Unlicensed小区，可以独立工作，或者，依赖 于授权小区才能正常工作，比如授权辅助接入(Licensed-Assisted Access，LAA)小区。
在本发明实施例中，该第一系统信息可以是针对某一类小区的系统信息，比如该类小区时域的频率是2.4G-2.5GHz，5-6GHz，50-70GHz，35-36GHz等。或者，该类小区是发送数据前需要进行空闲信道评估的小区，例如，非授权频谱小区。
在一些可能的实现方式中，可选地，第一指示可以是公共指示信道，该公共指示信道是指所述终端设备所在服务小区内的所有终端设备都可以读取的信道。比如，所述终端设备可以通过读取公共指示信道获取第一资源。
在一些可能的实现方式中，可选地，第一资源可以是时频资源或时域资源。
在一些可能的实现方式中，可选地，第一指示对应的时间单元(比如时域位置)与第一系统信息对应的时间单元之间的偏移量为大于或等于0的整数。其中，时间单元可以是时域位置、子帧、时隙slot、Mini-slot或OFDM符号等时域信息。
在一些可能的实现方式中，可选地，第一指示对应的时间单元的长度与第一系统信息对应的时间单元的长度之间的间隔可以是网络设备配置好的。
在本发明实施例中，当第一指示对应的时间单元与第一系统信息对应的时间单元之间的偏移量为0时，表示第一指示与该第一系统信息处于相同的时间单元(比如同一子帧、同一符号等)。在这种情况下，第一指示与第一系统信息可以处于不同的频域。
在一些可能的实现方式中，可选地，该第一指示中还可以指示第一信息，该第一信息用于通知终端设备存在该终端设备所期望或需要的该第一系统信息。
在一些可能的实现方式中，第一指示还可以指示系统信息的类型。该类型可划分为公用common SI和业务SI，或者，按需广播SI和非按需广播SI。
在一些可能的实现方式中，可选地，该第一系统信息包括以下信息中的至少一种：
服务小区的下行带宽信息、服务小区中至少一个子载波间隔的类型的数目、该至少一个子载波间隔中每个子载波间隔占用的带宽信息、系统帧号、该终端设备进行小区选择的配置信息、该终端设备进行随机接入的配置信息、该系统信息中包含的小区列表、业务的系统消息。
在一些可能的实现方式中，可选地，该方法还包括：
该终端设备向该网络设备发送请求信息，该请求信息用于请求该第一系统信息；
其中，该终端设备在该第一资源接收该第一系统信息，包括：
该终端设备在该第一资源接收该网络设备根据该请求信息发送的该第一系统信息。
在一些可能的实现方式中，可选地，该方法还包括：
该终端设备获取同步信号，该同步信号是该网络设备在任意一个时间单元中发送的，该同步信号用于该终端设备进行下行同步。
比如，同步信号可以是在任意一个下行子帧中发送，而LTE中同步信号只能在子帧0和子帧5发送。这样，本发明实施例中同步信号的发送机制相对于现有技术也比较灵活。
在一些可能的实现方式中，可选地，该方法还包括：
该终端设备通过接收物理信道，该物理信道用于指示下行数据的传输资源中是否存在同步信号、第二系统信息中的至少一项；
根据该传输资源中是否存在该同步信号、该第二系统信息中的至少一项，接收该网络设备发送的下行数据。
在一些可能的实现方式中，可选地，该物理信道与该下行数据的传输资源位于相同的服务小区，或者位于不同的服务小区，或者对应不同的子载波间隔类型，或者对应不同的传输时间间隔(Transmission Time Interval，TTI)类型。
或者，可选地，该物理信道用于指示下行数据的传输资源，该物理信道可以包括：自调度(可理解为，该物理信道与承载下行数据的物理信道位于同一个小区中)、跨载波调度(可理解为，该物理信道与承载下行数据的物理信道位于不同小区中)、跨子载波类型的调度(可理解为，该物理信道与承载下行数据的物理信道位于同一个小区的不同子载波间隔类型中)中的任一种。
在一些可能的实现方式中，可选地，在该终端设备从该网络设备获取第一指示后，该方法还包括：
该终端设备获取该网络设备发送的第二指示，该第二指示用于指示第一时间信息，该第一时间信息包括时间起始位置、时间长度信息中的至少一项；
该终端设备根据该时间起始位置、该时间长度信息中的至少一项，以及该第一资源，确定第二资源；
该终端设备使用该第二资源接收更新后的系统信息。
在具体实现时，该“第二指示”可以理解为系统信息的变更机制，在具体实现时，可应用于“网络设备寻呼终端设备”过程中。比如，该第二指示可以是网络设备发送给终端设备的寻呼消息。终端设备根据该寻呼消息和第一指示(比如公共指示信道)确定出最终的系统信息的子帧位置(比如第二资源)。
在一些可能的实现方式中，可选地，该终端设备在该第一资源接收该系统信息，包括：
该终端设备启动第一定时器，并在该第一定时器运行期间，在该第一资源接收该第一系统信息；
该方法还包括：
若该第一定时器超时后，未接收到该第一系统信息，该终端设备进行小区重选。
本发明实施例的用于传输数据的方法，终端设备通过获取第一指示，该第一指示用于指示第一资源，该第一资源用于网络设备发送系统信息，然后在该第一资源接收该系统信息，能够灵活地广播系统信息，从而较为实时得适配小区的业务。进一步地，通过设置第一定时器，使得终端设备在合适的契机进行小区重选，避免了终端设备长时间接收不到SI，而影响业务体验。
在本发明实施例中，该第一指示可以是该网络设备采用协议预先配置参数的进行发送，该协议预先配置参数网络设备和终端设备都可以获知，具体地，包括以下至少一种：预设的调制编码方案、预设的时频域资源位置、预设的子载波间隔类型；或者，该第一指示可以是该网络设备采用动态的调制编码方案、动态的时频域资源位置中的至少一种发送的。
在一些可能的实现方式中，可选地，该第一指示与该第一系统信息是在相同或不同的传输机会TXOP进行传输的。其中，传输机会是指网络设备或终端设备通过空闲信道检测获取信道后的使用时间。
第二方面，提供了一种用于传输数据的方法，包括：
网络设备获取第一指示，该第一指示用于指示第一资源；
该网络设备在非授权频谱上使用该第一资源向终端设备发送第一系统信息。
在本发明实施例中，网络设备可以获取第一指示，该第一指示用于指示第一资源，并在非授权频谱上使用该第一资源向终端设备发送第一系统信息，使得终端设备在该第一资源接收该第一系统信息，能够灵活地广播系统信息，从而较为实时得适配小区的业务。
在一些可能的实现方式中，可选地，该方法还包括：
该网络设备接收该终端设备发送的请求信息，该请求信息用于该终端设备请求该第一系统信息；
其中，该网络设备在该第一资源向终端设备发送第一系统信息，包括：
该网络设备根据该请求信息，在该第一资源向该终端设备发送该第一系统信息。
在一些可能的实现方式中，可选地，该方法还可以包括：
该网络设备在任一子帧中向该终端设备发送同步信号。
这里，网络设备可以不限于只能在子帧0或子帧5上发送同步信号，可以灵活地在任意一个子帧上发送，对此不作限定。
在一些可能的实现方式中，可选地，该方法还包括：
该网络设备向该终端设备发送物理信道，该物理信道用于指示下行数据的传输资源中是否存在同步信号、第二系统信息中的至少一项。
在一些可能的实现方式中，可选地，该方法还包括：
该网络设备向该终端设备发送第二指示，该第二指示用于指示第一时间信息，该第一时间信息包括时间起始位置、时间长度信息中的至少一项，该第一时间信息用于该终端设备确定第二资源；
该网络设备使用该第二资源发送更新后的系统信息。
在具体实现时，该“第二指示”可以理解为系统信息的变更机制，在具体实现时，可应用于“网络设备寻呼终端设备”过程中。比如，该第二指示可以是网络设备发送给终端设备的寻呼消息。终端设备根据该寻呼消息和第一指示(比如公共指示信道)确定出最终的系统信息的子帧位置(比如第二资源)。
在一些可能的实现方式中，可选地，该第一指示是采用预先配置的方案发送给该终端设备的，该预先配置的方案包括以下至少一种：预设的调制编码方案、预设的时域资源位置、预设的频域资源位置、预设的子载波间隔类型。
在本发明实施例中，该第一指示可以是该网络设备采用协议预先配置参数的进行发送，该协议预先配置参数网络设备和终端设备都可以获知，具体地，包括以下至少一种：预设的调制编码方案、预设的时频域资源位置、预设的子载波间隔类型；或者，该第一指示可以是该网络设备采用动态的调制编码方案、动态的时频域资源位置中的至少一种发送的。
第三方面，提供了一种终端设备，用于执行上述第一方面或第一方面的任意可能的实现方式中的方法。具体地，该终端设备包括用于执行上述第一方面或第一方面的任意可能的实现方式中的方法的单元。
第四方面，提供了一种网络设备，用于执行上述第二方面或第二方面的任意可能的实现方式中的方法。具体地，该网络设备包括用于执行上述第二方面或第二方面的任意可能的实现方式中的方法的单元。
第五方面，提供了一种终端设备。该终端设备包括处理器、存储器和通信接口。处理器与存储器和通信接口连接。存储器用于存储指令，处理器用于执行该指令，通信接口用于在处理器的控制下与其他网元进行通信。该处理器执行该存储器存储的指令时，该执行使得该处理器执行第一方面或第一方面的任意可能的实现方式中的方法；
第六方面，提供了一种网络设备。该网络设备包括处理器、存储器和通信接口。处理器与存储器和通信接口连接。存储器用于存储指令，处理器用于执行该指令，通信接口用于在处理器的控制下与其他网元进行通信。该处理器执行该存储器存储的指令时，该执行使得该处理器执行第二方面或第二方面的任意可能的实现方式中的方法。
第七方面，提供了一种计算机可读存储介质，该计算机可读存储介质存储有程序，该程序使得终端设备执行上述第一方面，及其各种实现方式中的任一种用于传输数据的方法。
第八方面，提供了一种计算机可读存储介质，该计算机可读存储介质存储有程序，该程序使得网络设备执行上述第二方面，及其各种实现方式中的任一种用于传输数据的方法。
附图说明
图1是一个应用场景的示意图。
图2是根据本发明实施例的用于传输数据的方法的示意性流程图。
图3是根据本发明另一实施例的用于数据传输的方法的示意性流程图。
图4是根据本发明实施例提供的终端设备的示意性框图。
图5是根据本发明实施例提供的网络设备的示意性框图。
图6是根据本发明实施例提供的终端设备的结构框图。
图7是根据本发明实施例提供的网络设备的结构框图。
具体实施方式
应理解，本发明实施例的技术方案可以应用于各种通信系统，例如：长期演进(Long Term Evolution，LTE)系统、LTE频分双工(Frequency Division Duplex，FDD)系统、LTE时分双工(Time Division Duplex，TDD)、通用移动通信系统(Universal Mobile Telecommunication System，UMTS)、以及未来的5G通信系统等，比如新无线(New Radio，NR)无线系统等。
还应理解，在本发明实施例中，终端设备可以经无线接入网(Radio Access Network，RAN)与一个或多个核心网进行通信，该终端设备可称为接入终端、终端设备、用户单元、用户站、移动站、移动台、远方站、远程终端、移动设备、用户终端、终端、无线通信设备、用户代理或用户装置。用户设备可以是蜂窝电话、无绳电话、会话启动协议(Session Initiation Protocol，SIP)电话、无线本地环路(Wireless Local Loop，WLL)站、个人数字处理(Personal Digital Assistant，PDA)、具有无线通信功能的手持设备、计算设备或连接到无线调制解调器的其它处理设备、车载设备、可穿戴设备以及未来5G网络中的终端设备。
还应理解，在本发明实施例中，网络设备可用于与用户设备进行通信，该网络设备可 以是GSM系统或CDMA中的基站(Base Transceiver Station，BTS)，也可以是WCDMA系统中的基站(NodeB，NB)，还可以是LTE系统中的演进型基站(Evolutional Node B，eNB或eNodeB)，或者该网络设备可以为中继站、接入点、车载设备、可穿戴设备以及未来5G网络中的基站设备等。
还应理解，在本发明实施例可以应用于非授权频谱小区，可以独立工作，无需依赖于其他小区，或者，依赖于授权小区才能正常工作，比如授权辅助接入(Licensed-Assisted Access，LAA)小区。比如运营商的非授权频谱，具体可以为无线局域网(Wireless Local Area Network，WLAN)所使用的频谱。非授权频谱小区的网络设备或终端设备需进行空闲信道检测机制，比如通过说前先听(Listen Before Talk，LBT)机制，并且非授权频谱小区的非授权信道的使用时间也都会受到限制。在本发明实施例中，将该系统称为LAA系统，该系统可以包括可以独立工作的非授权频谱小区，但该系统也可以具有其它名称，本发明实施例对此不做限定。
蜂窝网中的网络设备(例如基站或基站控制器，等等)和终端设备可以采用授权载波或非授权载波进行通信。网络设备或终端设备在使用非授权载波进行数据传输之前，可以与WLAN中的节点以及与采用LAA机制的蜂窝网中的其他LAA节点竞争该非授权载波上的资源，并且在竞争到资源后采用竞争到的资源进行数据传输，其中，该用户设备或网络设备可以基于负载(Load Based Equipment，LBE)信道监测机制或基于帧结构(Frame Based Equipment，FBE)信道检测机制竞争信道，本发明实施例对此不做限定。
图1是一个场景示意图。应理解，为了便于理解，这里引入图1中的场景为例进行说明，但并不对本发明构成限制。图1中示出了终端设备11、终端设备12、终端设备13和基站21。
如图1所示，终端设备11可以与基站21进行通信，终端设备12可以与基站21进行通信，终端设备13与基站21进行通信。或者，终端设备12也可以与终端设备11进行通信。或者，作为另一种情形，终端设备13与基站12进行通信。图1中的终端设备和基站可以应用于LAA系统中。
在LTE中，终端设备接收的主信息块(Master Information Block，MIB)消息和系统信息块(System Information Block，SIB)1消息在时域上的位置和周期是固定的，其他的系统信息(System Information，SI)在时域上的位置和周期是由SIB1指定的。即现有技术中的系统消息是周期性广播的，不够灵活，不能适配小区业务变化。进一步地，对于某一类小区，比如非授权频谱(Unlicensed)小区，在发送系统信息前，网络设备需要检测信道处于空闲或忙碌状态(即进行空闲信道评估)，如果某一信道在确定的时域位置处于忙碌状态，那么此时网络设备将无法发送系统信息，只能等待下一个系统消息周期进行发送，影响终端设备的业务体验。因此，本发明试图提出一种用于传输数据的方法，通过增加第一指示，在第一指示所指示的第一资源上接收系统信息，系统信息可以在获取信道后的任意的时域位置进行发送，从而能够灵活地广播系统信息，从而实时的适配小区的业务和充分利用传输机会。
图2示出了根据本发明实施例的用于传输数据的方法200的示意性流程图。该方法可以由终端设备执行，比如图1中的任一终端设备来执行。该方法200包括：
S210，终端设备从网络设备获取第一指示，该第一指示用于指示第一资源，该第一资 源用于网络设备在非授权频谱上发送第一系统信息；
可选地，第一指示可以是公共指示信道，该公共指示信道是指服务小区内的所有终端设备(具体比如服务小区中某一个终端设备或一些终端设备组)都可以读取的信道。比如，终端设备可以通过读取公共指示信道获取第一资源。
可选地，第一资源可以是时频资源或时域资源。
可选地，第一指示对应的时间单元(比如时域位置或时域资源单元)与第一系统信息对应的时间单元之间的偏移量为大于或等于0的整数。其中，时间单元可以是时域位置、子帧、时隙slot、Mini-slot或正交频分复用(Orthogonal Frequency Division Multiplexing，OFDM)符号等时域信息，对此不作限定。比如，第一资源为SI子帧。这里，“SI子帧”是指用于发送SI的子帧。当然，SI子帧不仅可以用于发送SI消息，也可以用于发送其他任何类型的数据，对此不作限定。比如，第一指示对应的子帧与第一系统信息对应的子帧可以是相同的子帧，也可以是不同的子帧。可选地，第一指示对应的时间单元的长度与第一系统信息对应的时间单元的长度之间的间隔可以是网络设备配置好的。
在本发明实施例中，当第一指示对应的时间单元与第一系统信息对应的时间单元之间的偏移量为0时，表示第一指示与该第一系统信息处于相同的时间单元(比如同一子帧、同一符号等)。在这种情况下，第一指示与第一系统信息可以处于不同的频域或码域。
在本发明实施例中，该第一系统信息可以是针对某一类小区的系统信息，比如该类小区时域的频率是2.4G-2.5GHz，5-6GHz，50-70 GHz，35-36GHz等。或者，该类小区是发送数据前需要进行空闲信道评估的小区，例如，非授权频谱Unlicensed小区。
可选地，该第一指示可以与该第一系统信息在同一个传输机会(Transmission Opportunity，TXOP)进行传输。或者，该第一指示也可以与该系统信息在不同的TXOP进行传输。其中，传输机会是指网络设备或终端设备通过空闲信道检测获取信道后的使用时间。
可选地，如果第一指示与该第一系统信息在不同的TXOP进行传输，那么网络设备可以指示第一指示与该第一系统信息之间所间隔的传输机会数。
可选地，该第一指示中还可以指示第一信息，该第一信息用于通知终端设备存在该终端设备所期望或需要的该第一系统信息。
可选地，在具体实现时，第一信息可以通过计算机语言(比如布尔bool)表示，或者通过系统信息块列表SIB list来表示。比如，对于bool为0时，表示该第一系统信息中不存在终端设备所需的系统信息；对于bool为1时，表示该第一系统信息中存在终端设备所需的系统信息。或者，对于SIB list，如果终端设备期望的系统信息为SIB1，而SIB list中恰好包括了SIB1，则表示该系统信息中存在终端设备所需的系统信息，反之，如果SIB list中没有SIB1，则表示该系统信息中不存在终端设备所需的系统信息。
应理解，第一信息的内容或表示方式有很多，上述例子只是为了便于理解第一信息的作用，本发明对第一信息的具体形式并不作限定。
可选地，该第一信息与该第一系统信息之间的映射关系可以是由协议预先设置好的。比如，协议规定第一信息bool为1时表示第一系统信息中存在终端设备所需的系统信息。可选地，第一指示还可以指示更多的信息，比如第二信息，第二信息可以表示bool为0时表示第一系统信息中不存在终端设备所需的系统信息，对此不作限定。
在本发明实施例中，第一指示还可以指示系统信息的类型。该类型可划分为公用common SI和业务SI，或者，按需广播SI和非按需广播SI。比如，系统信息可以包括公用common SI和业务SI。其中，common SI是所有业务公用的SI，为小区的最基本的SI参数集，而业务SI可以是针对某一类业务所使用的。比如，业务SI可以具体划分为机器类通信(Machine Type Communication，MTC)SI，超高可靠性与超低时延通信(Ultra Reliable&Low Latency Communication，URLLC)SI，移动宽带业务(Mobile Broadband，MBB)SI等。
可选地，common SI可以使用预设的调制编码方案、预设的时频资源进行发送的；还可以采取动态的调度方式进行发送的，具体的，通过监听下行控制信道，获知调制编码方案、时频资源等，其中，下行控制信道可以在一个子帧内出现至少一次。可选地，对于common SI中的common SIBx(x代表任意SIB的编号)也可以使用不同的无线网络临时标识(Radio Network Temporary Identity，RNTI)进行区分。比如，common SI可以统一使用一个RNTI接收，然后通过媒体接入控制(Medium Access Control，MAC)层或者(Radio Resource Control，RRC)层来区分不同的common SIBx，其中，MAC层的逻辑信道号与业务common SIBx之间的关联或关系可以在协议里预先规定好。
比如，在具体实现时，业务SI采取动态的调度方式进行发送的，具体地，通过监听下行控制信道，获知调制编码方案、时频资源等，可以统一使用一个RNTI接收，然后通过MAC层来区分不同的业务SI，其中，MAC层的逻辑信道号与业务SI之间的关联或关系可以在协议里预先规定好。又比如，业务SI可以通过不同的RNTI来区分，即对业务SI采用不同的加扰标识进行区分，终端设备可以按需解扰RNTI，以获取所期望的SI。不同业务的RNTI可以是由协议规定的，或者，由common SI指示。
可选地，第一指示(比如，携带在公共指示信道)还可以指示业务SI对应的实现特定功能的合集类型，以便减少终端设备获取SI的实现复杂度。在S210前，该方法200还可以包括：
该终端设备获取同步信号，该同步信号是该网络设备在任意一个时间单元中发送的，该同步信号用于该终端设备进行下行同步。
具体而言，终端设备可以获取网络设备发送的下行同步信号，以便于进行下行同步或OFDM符号同步。时间单元可以是子帧，传输间隔，调度粒度单元，OFDM符号。比如，同步信号可以是在任意一个下行子帧中发送，而现有技术中同步信号只能在子帧0和子帧5发送。这样，本发明实施例中同步信号的发送机制相对于现有技术也比较灵活。
这里，同步信号可以包括主同步信号(Primary Synchronization Signal，PSS)和辅同步信号(Secondary Synchronization Signal，SSS)。
S220，该终端设备在非授权频谱上使用该第一资源接收该第一系统信息。
具体而言，终端设备可以通过获取第一指示，该第一指示用于指示第一资源，该第一资源用于网络设备在非授权频谱上发送第一系统信息，然后在非授权频谱上使用该第一资源接收该第一系统信息，不拘泥于现有技术中系统信息只能按照固定周期的形式进行发送，能够灵活地广播系统信息，从而较为实时得适配小区的业务和充分利用传输机会，提高系统信息广播的可靠性。
可选地，在本发明实施例中，该第一指示可以是该网络设备采用协议预先配置参数的 进行发送，该协议预先配置参数网络设备和终端设备都可以获知，具体地，至少包括以下一种：预设的调制编码方案、预设的时频域资源位置、预设的子载波间隔类型；或者，该第一指示可以是该网络设备采用动态的调制编码方案、动态的时频域资源位置中的至少一种发送的，终端设备在一个子帧内可能接收到至少一个第一指示。对于非授权小区，网络设备发送该第一指示之前，需已获取到信道(channel)，或者，也可以理解为，网络设备检测信道的状态为空闲。
举例来说，第一系统信息可以在一个子帧中的预设的时频域资源位置，采用预设的调制编码方案进行发送。比如，MIB可以通过物理广播信道(Physical Broadcast Channel，PBCH)发送。或者，第一系统信息(比如Common SI)也可以在一个下行子帧采取动态调度的方式获取。比如，终端设备通过读取下行控制信息(Downlink Control Information，DCI)信令，以获取Common SI的时频域资源位置以及所采用的调制编码方案。或者，Common SIBx可以通过物理下行共享信道(Physical Downlink Shared Channel，PDSCH)发送。
可选地，在本发明实施例中，该第一系统信息包括以下信息中的至少一种：
服务小区的下行带宽信息、服务小区中至少一个子载波间隔的类型的数目、该至少一个子载波间隔中每个子载波间隔占用的带宽信息(包括上行带宽信息、下行带宽信息中的至少一种)、系统帧号信息、该终端设备进行小区选择的配置信息(比如，小区驻留的门限、信号质量强度等信息)、该终端设备进行随机接入的配置信息(比如，前导根序列、前导总数、前导传输次数、前导发送功率配置参数、随机接入响应消息窗口长度等信息)、该第一系统信息的小区列表(cell list)、业务的系统信息、小区的双工方式、上行多址方式、信道编码方式信息、时隙slot类型信息、传输时间间隔(Transmission Time Interval，TTI)长度信息。其中，业务的系统信息通知终端设备采取的无线链路控制层的处理方式，比如确认(Acknowledgment Mode，AM)AM模式或非确认(Unacknowledgment Mode，UM)模式，业务可以指某一类特定的业务，比如MBB、MTC、URLLC，灾难通知业务等。小区列表也可以或称有效区域，是指在小区列表中的小区均可以使用该第一系统信息。
举例来说，Common SI中可以指示以下信息中的至少一种：小区的下行宽带、小区支持的基础参数集(numerology)总数、每一种numerology对应的子带的带宽、各个业务SI对应的numerology、系统帧号(System Frame Number，SFN)、小区选择的相关配置信息(比如，小区驻留的门限、信号质量强度等信息)、随机接入的相关配置(比如，前导根序列、前导总数、前导传输次数、前导发送功率配置参数、随机接入响应消息窗口长度等信息)、有效子帧区域的信息、特定业务的SI等。其中，numerology可以由子载波间隔、符号(symbol)长度中的至少一种决定。小区的numerologies可以是时分复用和/或频分复用。
应理解，上述描述只是示意性得列举出第一系统信息中可能包括的一些信息，但并不对本发明构成限制，具体实现时第一系统信息也可以包括其他合理的信息，对此不作限定。
因此，本发明实施例的用于传输数据的方法，终端设备通过获取第一指示，该第一指示用于指示第一资源，该第一资源用于网络设备在非授权频谱上发送第一系统信息，然后在非授权频谱上使用该第一资源接收该第一系统信息，能够灵活地广播系统信息，从而较为实时得适配小区的业务。
可选地，作为一个实施例，该方法200还可以包括：
该终端设备向该网络设备发送请求信息，该请求信息用于请求该第一系统信息；
其中，该S220可以包括：
在该第一资源接收该网络设备根据该请求信息发送的该第一系统信息。
具体而言，终端设备可以向网络设备发送请求信息，以便于请求所需要的SI，比如终端设备结合当前的业务的需求向网络设备请求所需要的SI。网络设备可以对终端设备的请求进行响应，将SI发送给终端设备。终端设备可以采用特定的RNTI接收网络设备响应的业务SI，该RNTI可以与该请求信息所使用的资源关联，或，某一个业务的关联。因此，终端设备可以主动向网络设备发起请求，以获取所期望的系统信息。终端设备发起多次请求后，都没有获取到所期望的系统信息，执行小区重选过程。系统消息请求的最大发送次数是由协议预先规定的。可选地，该请求消息可以是前导序列。
可选地，作为一个实施例，该方法200还可以包括：
该终端设备接收物理信道，该物理信道用于指示下行数据的传输资源中是否存在同步信号、第二系统信息中的至少一项；
根据该传输资源中是否存在该同步信号、该第二系统信息中的至少一项，接收该网络设备发送的下行数据。其中，该下行数据包括以下至少一种：寻呼消息，系统消息，随机接入响应消息，专用单播消息，组播/多播(Multimedia Broadcast Multicast Service，MBMS)消息。
可选地，该终端设备接收物理信道，该物理信道还可用于指示至少一个子载波间隔类型的起始时间单元和持续时长。该时间单元可以为子帧、OFDM符号、时隙长度、传输时间间隔长度的任意一项。若该终端设备不能使用该网络设备指示的子载波类型，则该终端设备在该网络设备指示的子载波类型的持续时间内不期望接收任何信号或不盲检下行控制信道，从而达到省电的效果。可选地，该物理信道是采用预设的子载波间隔类型进行发送的。可选地，该物理信道的发送周期和时域位置是由物理设备通过单播或广播消息告知终端设备。
在本发明实施例中，终端设备可以通过接收物理信道，该物理信道包括物理下行控制信道(Physical Downlink Control Channel，PDCCH)，物理下行共享信道(Physical Downlink shared Channel，PDSCH)，该物理信道用于指示该下行数据的传输资源中是否存在同步信号、第二系统信息中的至少一种。比如，通过PDCCH信道指示下行数据子帧是否存在同步信号、MIB中的至少一种。
在本发明实施例中，该第二系统信息可以与第一系统信息相同或不同。
其中，根据该传输资源中是否存在该同步信号、该第二系统信息中的至少一项，接收该网络设备发送的下行数据，是指：如果传输资源中存在该同步信号或该第二系统信息，那么扣除第二系统信息或同步信号对应的传输资源，对剩余传输资源中的下行数据进行解码；如果传输资源中不存在该同步信号或该第二系统信息，那么终端设备在所有的下行传输资源中尝试解码接收下行数据。
可选地，该物理信道与该下行数据的传输资源位于相同的服务小区，或者位于不同的服务小区，或者对应不同的子载波间隔类型，或者对应不同的传输时间间隔(Transmission Time Interval，TTI)类型。
或者，可选地，该物理信道用于指示下行数据的传输资源，该物理信道可以包括：自调度(可理解为，该物理信道与承载下行数据的物理信道位于同一个小区中)、跨载波调度(可理解为，该物理信道与承载下行数据的物理信道位于不同小区中)、跨子载波类型的调度(可理解为，该物理信道与承载下行数据的物理信道位于同一个小区的不同子载波间隔类型中)中的任一种。
可选地，作为一个实施例，该方法200还可以包括：
该终端设备获取该网络设备发送的第二指示，该第二指示用于通知该系统信息发生改变，该第二指示还用于指示第一时间信息，该第一时间信息包括时间起始位置、时间长度信息中的至少一项；
该终端设备根据该时间起始位置、时间长度信息中的至少一项，以及该第一资源，确定第二资源；
该终端设备使用该第二资源接收更新后的系统信息。
具体而言，终端设备可以接收网络设备发送的第二指示(比如，寻呼paging消息)，该第二指示用于通知终端设备系统消息发送改变，还用于指示第一时间信息，第一时间信息是指系统信息子帧的改变位置信息。终端设备根据第一时间信息，选择性地醒来到相应的时域位置开始接收到下行信号和获取系统信息，从而达到省电的效果。第一时间信息可以包括时间起始位置、时间长度信息中的至少一种，比如，子帧偏移量(subframe offset)，子帧数目，子帧长度等信息。终端设备在获取到该第一时间信息后，可以根据前文所提的第一资源确定第二资源，可以理解为，根据第一指示和第二指示确定第二资源，使用第二资源接收更新后的系统信息。
在具体实现时，该“第二指示”可以理解为系统信息的变更机制，在具体实现时，可应用于“网络设备寻呼终端设备”过程中。比如，该第二指示可以是网络设备发送给终端设备的寻呼消息。终端设备根据该寻呼消息和第一指示(比如公共指示信道)确定出最终的系统信息的子帧位置(比如第二资源)。
应理解，在本发明实施例中，引入编号“第一”或“第二”…只是为了区分不同的对象，比如为了区分不同的“指示”，或者区分不同的“资源”，并不对本发明构成限定。
可选地，为了通知终端设备被叫或系统消息改变，网络设备可以根据核心网设备发送的终端设备的标识确定寻呼时间段，也就是，寻呼开始时刻和持续时长。可选地，该持续时长可以通过系统消息广播告知终端设备，或，通过协议预先规定的，或，通过寻呼消息携带告知终端设备，比如，可以是一些连续的子帧数。可选地，网络设备进行LBT获取信道后，可以在该寻呼时间段中的至少一个时间单元发送寻呼消息。其中，该寻呼消息中携带终端设备的核心网设备的标识。
终端设备根据该终端设备的标识确定寻呼开始时刻，根据系统信息或寻呼消息或协议规定确定持续时长，在该确定的寻呼时间段中接收该寻呼消息。根据寻呼消息中的终端设备标识字段确定是否需要发起寻呼响应，可理解为，业务请求，或，是否需要更新系统信息。
可选地，作为一个实施例，S220还可以包括：
该终端设备启动第一定时器，该第一定时器的时长由协议预先配置的，并在该第一定时器运行期间，在该第一资源接收该第一系统信息；
该方法200还可以包括：
若该第一定时器超时后，未接收到该第一系统信息，该终端设备进行小区重选。
具体而言，终端设备可以引入第一定时器，在该第一定时器内接收该第一系统信息。如果该第一定时器超时后，还没有接收到该第一系统信息，则终端设备可以执行小区重选，以便重新驻留小区。这里，第一定时器的时长可以是协议预先配置的。根据系统信息类型不同，第一定时器的时长配置可能不相同，该系统消息类型可以业务SI相关，或，特定功能SI相关，或，common SI相关。
因此，本发明实施例的用于传输数据的方法，终端设备通过获取第一指示，该第一指示用于指示第一资源，该第一资源用于网络设备在非授权频谱上发送第一系统信息，然后在非授权频谱上使用该第一资源接收该第一系统信息，能够灵活地广播系统信息，从而较为实时得适配小区的业务。进一步地，通过设置第一定时器，使得终端设备在合适的契机进行小区重选，避免了终端设备长时间接收不到SI，而影响业务体验。
可选地，本发明还提供了另一实施例，在获取随机接入的基础参数配置(前导根序列、前导最大发送次数、功率攀升的步长等)的系统信息之后的随机接入过程中，主要用于非竞争随机接入过程，获取上行同步，具体可以包括：
终端设备接收网络设备发送的第三指示，该第三指示用于分配随机接入前导序列号index，该第三指示是网络设备采用终端设备的小区标识C-RNTI或终端设备组的小区标识进行加扰的；
终端设备接收网络设备发送的第四指示，该第四指示用于指示随机接入资源，比如时域资源或时频资源，可选地，该第四指示还可用于指示该随机接入资源的子载波间隔类型或前导序列格式；该第四指示是网络设备采用协议规定的公共标识，或，终端设备组的小区标识，或，终端设备的小区标识C-RNTI，进行加扰的；
终端设备根据第三指示和第四指示向网络设备发送前导序列Preamble，该前导序列用于网络设备计算该终端设备的上行提前量。其中，如果针对非授权小区，在发送前导序列前，终端设备需获取到unlicensed信道(channel)，具体还包括：终端设备共享网络设备的在发送该第四指示时的传输机会，选择使用特定时间长度的空闲信道检测机制，比如25微秒的LBT，而无需执行基于回退的空闲信道检测机制；若在特定时间内空闲信道检测为空闲，比如25微秒的LBT，或，在特定时间内该unlicensed channel内的信号强度低于一定门限，终端设备向网络设备发送前导序列，其中，该门限值可由协议预先规定的，或，由系统信息通过广播/单播告知终端设备；
终端设备接收网络设备发送的随机接入响应(Random Access Response，RAR)消息，该随机接入响应消息的内容包括以下至少一种：上行时间提前量(用于通知终端设备上行同步)、终端的小区临时标识、第一上行传输资源(如频域资源，或，物理资源块大小)。可选地，第一上行传输资源还可以指示第一时间偏置；具体地，终端设备根据随机接入临时标识(Random Access Radio Network Temporary Identity，RA-RNTI)，接收该RAR，其中，随机计入临时标识是终端设备根据第四指示的随机接入资源计算出来的，或，网络设备指示终端设备的，比如第三指示。
终端设备根据第一上行传输资源生成该第一数据，向网络设备发送该第一数据，具体地，终端设备接收网络设备发送的第五指示，该第五指示用于指示第一时间，终端设备根 据第五指示在第一时间发送该第一数据，或者，终端设备根据第五指示的第一时间和第一上行传输资源的第一时间偏置确定第二时间，在第二时间发送该第一数据。第一时间和第二时间可以是一个时刻，或者，时间段，比如子帧、slot或传输时间间隔TTI。
可选地，本发明还提供了另一实施例，对于数据传输过程，具体可以包括：终端设备可以接收配置信息，该配置信息用于配置上行半静态调度的周期，该半静态调度是指网络设备只需分配一次上行资源，并配置调度周期，终端设备根据该上行资源和调度周期，周期性的进行上行传输，而不需等待额外的上行资源，该配置信息可以通过RRC消息配置；另外，终端设备还可以接收指示信息，该指示信息用于指示半静态调度的上行传输资源(比如频域资源或时域资源)；终端设备可以在指示信息指示的子帧上进行一次上行初传，随后再根据指示信息和配置信息中配置的周期进行周期性地上行新数据的初传，具体地，在每一次上行初传时，终端设备都会重新生成一个第一数据，比如，MAC协议数据单元(Protocol Data Unit，PDU)，还可以理解为，每一次周期性的初传都是生成不同的数据，并向基站发送该第一数据。可选地，终端设备在进行一次上行初传时可以启动第二定时器，并且停止第三定时器；第二定时器超时之后，启动第三定时器，该第三定时器用于终端设备等待可能的针对于该第一数据的重传上行资源。可选地，对于只有一个HARQ process混合自动重传请求进程的终端设备，该终端设备在进行一次上行初始时可以停止第三定时器，该第三定时器可以为下行重传定时器Retransmission Timer、上行重传定时器UL retransmission Timer、活动定时器in activity Timer、持续定时器on duration Timer的任意一个。其中，下行重传定时器用于等待可能的下行重传数据；上行重传定时器用于等待可能的上行重传的授权(grant)资源；活动定时器在PDCCH指示一次新传之后启动或重启，用于等待可能的上行授权；on duration timer用于保持周期性的唤醒状态，以便监听PDCCH。
应理解，这里的“第一数据”只是泛指进行一次上行初传时的数据，并不对本发明实施例构成限定。
比如，第二定时器可以是上行往返时延定时器(Uplink Trip Time Timer，UL RTT Timer)。终端在上行初始时启动UL RTT Timer，在UL RTT Timer超时后，终端设备可以启动上行重传定时器UL Retransmission Timer；在UL重传定时器期间，可以等待上行初传的第一数据的重传授权资源。
又比如，第二定时器可以是非连续活动定时器(DRX In activity Timer)，或者其他的MAC层或RRC层中的定时器。
因此，终端设备可以根据第三定时器，监听下行控制信道，用于等待可能的重传上行资源。
可选地，本发明还提供了另一实施例，对于随机接入过程，具体可以包括：终端设备向网络设备发送前导序列Msg1，用于网络设备计算该终端设备的上行提前量；网络设备向终端设备发送随机接入响应消息Msg2，该随机接入响应消息可以包括上行提前量、上行传输资源、临时标识等信息；终端设备可以根据该上行传输资源，在指示的子帧开始发送Msg3，该Msg3可用于向网络设备表明该终端设备的身份，并启动第二定时器，该Msg3可包括C-RNTI，RRC消息等。可选地，如果Msg3需要重复发送多次repetition(可使用不同的冗余版本)，那么在最后一次重复发送时，启动第二定时器。该第二定时器用于等 待Msg4，该Msg4用于网络设备通知该终端设备随机接入竞争成功。这里，引入第一时间区域，该第一时间区域是指在该第二定时器运行时间内除去发送Msg3的时间区域。终端设备在该第一时间区域监听PDCCH，以便于接收竞争解决消息。可选地，在该第一时间区域内也有能接收到Msg3的重传grant。终端设备在发送Msg3期间，包括重复发送repetition期间，都可以不用监听PDCCH。
可选地，终端设备在该第一时间区域接收到Msg3的重传grant资源后，可以停止第二定时器，并启动第三定时器。在该第三定时器超时后，终端设备再次启动第二定时器，在第二定时器运行期间监听PDCCH，以便于获取竞争解决消息。在第三定时器运行期间，可以不用监听PDCCH。
或者，可选地，终端设备在该第一时间区域接收到Msg3的重传grant后，可以暂停该第二定时器。在发送完Msg3或最后一次重复发送Msg3后，终端设备可以恢复第二定时器，在该第二定时器内监听PDCCH，以便于获取竞争解决消息。当然，第二定时器的暂停时间并不包含在第二定时器的总时长内。在第二定时器运行期间，不包括暂停期间，监听PDCCH，以便获得竞争解决消息。
这里，终端设备可以引入第一时间区域对PDCCH进行监听，以便于接收竞争解决消息。
在本发明所有的实施例中，PDCCH是用于发送控制信令的信道，其他名称不作限定。
上面从终端设备侧描述了根据本发明实施例的用于传输数据的方法，下面将从网络设备侧描述根据本发明实施例的用于传输数据的方法。
图3示出了根据本发明实施例的用于传输数据的方法300的示意性流程图。该方法300可以由网络设备执行，比如，网络设备可以是图1中的基站21。为了简洁，对于网络设备侧与终端设备侧的一些重复的概念或术语将不作详细描述。如图3所示，该方法300包括：
S310，网络设备获取第一指示，该第一指示用于指示第一资源；
S320，该网络设备在非授权频谱上使用该第一资源向终端设备发送第一系统信息。
在本发明实施例中，网络设备可以获取第一指示，该第一指示用于指示第一资源，并在非授权频谱上使用该第一资源向终端设备发送第一系统信息，使得终端设备在非授权频谱上使用该第一资源接收该第一系统信息，能够灵活地广播系统信息，从而较为实时得适配小区的业务。
可选地，该方法300还可以包括：
该网络设备接收该终端设备发送的请求信息，该请求信息用于该终端设备请求该第一系统信息；
其中，S320可以包括：
该网络设备根据该请求信息，在该第一资源向该终端设备发送该第一系统信息。
可选地，该方法300还可以包括：
该网络设备在任一子帧中向该终端设备发送同步信号。
这里，网络设备可以不限于只能在子帧0或子帧5上发送同步信号，可以灵活地在任意一个子帧上发送，对此不作限定。
可选地，该方法300还可以包括：
该网络设备向该终端设备发送物理信道，该物理信道用于指示下行数据的传输资源中是否存在同步信号、第二系统信息中的至少一项。
可选地，该方法300还可以包括：
该网络设备向该终端设备发送第二指示，该第二指示用于指示第一时间信息，该第一时间信息包括时间起始位置、时间长度信息中的至少一项，该第一时间信息用于该终端设备确定第二资源；
该网络设备使用该第二资源发送更新后的系统信息。
可选地，该第一指示是采用预先配置的方案发送给该终端设备的，该预先配置的方案包括以下至少一种：预设的调制编码方案、预设的时域资源位置、预设的频域资源位置、预设的子载波间隔类型。比如，该第一指示是采用固定的调制编码方案、固定的时频域资源位置中的至少一种发送的；或者，该第一指示是采用动态的调制编码方案、动态的时频域资源位置中的至少一种发送的。
因此，网络设备通过确定第一指示，该第一指示用于指示第一资源，在该第一资源向终端设备发送系统信息，使得终端设备在非授权频谱上使用该第一资源接收该系统信息，能够灵活地广播系统信息，从而较为实时得适配小区的业务。
上文描述了根据本发明实施例的用于传输数据的方法，下文将描述根据本发明实施例的终端设备和网络设备。
图4示出了根据本发明实施例的终端设备400的示意性框图。该终端设备400可以执行本发明实施例的用于传输数据的方法200。如图4所示，该终端设备400包括：
获取模块410，用于从网络设备获取第一指示，该第一指示用于指示第一资源，该第一资源用于网络设备在非授权频谱上发送第一系统信息；
接收模块420，用于在非授权频谱上使用该获取模块410获取的该第一资源接收该第一系统信息。
在本发明实施例中，终端设备400通过获取第一指示，该第一指示用于指示第一资源，该第一资源用于网络设备发送系统信息，然后在该第一资源接收该系统信息，能够灵活地广播系统信息，从而较为实时得适配小区的业务。
可选地，该第一指示对应的时间单元与该第一系统信息对应的时间单元之间的偏移量为大于或等于0的整数。
可选地，该第一指示还用于指示第一信息，该第一信息用于通知该终端设备存在该终端设备所需的该第一系统信息。
可选地，该终端设备400还包括：
发送模块，用于向该网络设备发送请求信息，该请求信息用于请求该第一系统信息；
其中，该接收模块420具体用于：
在该第一资源接收该网络设备根据该请求信息发送的该第一系统信息。
可选地，该接收模块420还用于：
接收物理信道，该物理信道用于指示下行数据的传输资源中是否存在同步信号、第二系统信息中的至少一项；
根据该传输资源中是否存在该同步信号、该第二系统信息中的至少一项，接收该网络设备发送的下行数据。
可选地，该获取模块410还用于：
获取该网络设备发送的第二指示，该第二指示用于指示第一时间信息，该第一时间信息包括时间起始位置、时间长度信息中的至少一项；
该终端设备还包括：
确定模块，用于根据该时间起始位置、该时间长度信息中的至少一项，以及该第一资源，确定第二资源；
该接收模块420还用于，使用该第二资源接收更新后的系统信息。
可选地，该接收模块420具体用于：
启动第一定时器，并在该第一定时器运行期间，在该第一资源接收该第一系统信息；
该终端设备400还包括：
处理模块，用于若该第一定时器超时后，未接收到该第一系统信息，进行小区重选。
图4所示的终端设备400能够实现前述实施例中由终端设备所实现的各个过程，其中，在具体产品实现中，发送模块可以为发送器，接收模块可以为接收器，获取模块，确定模块以及其他具有处理和确定动作的功能模块可以由至少一个处理器来完成为避免重复，这里不再赘述。
因此，终端设备400通过获取第一指示，该第一指示用于指示第一资源，该第一资源用于网络设备发送系统信息，然后在该第一资源接收该系统信息，能够灵活地广播系统信息，从而较为实时得适配小区的业务。
图5示出了根据本发明实施例的网络设备500的示意性框图。该网络设备500可以执行本发明实施例的用于传输数据的方法300。如图5所示，该网络设备500包括：
获取模块510，用于获取第一指示，该第一指示用于指示第一资源；
发送模块520，用于在非授权频谱上使用该第一资源向终端设备发送第一系统信息。
在本发明实施例中，网络设备500可以获取第一指示，该第一指示用于指示第一资源，并在非授权频谱上使用该第一资源向终端设备发送第一系统信息，使得终端设备在该第一资源接收该第一系统信息，能够灵活地广播系统信息，从而较为实时得适配小区的业务。
可选地，该网络设备还包括：
接收模块，用于接收该终端设备发送的请求信息，该请求信息用于该终端设备请求该第一系统信息；
其中，该发送模块520具体用于：
根据该请求信息，在该第一资源向该终端设备发送该第一系统信息。
可选地，该发送模块520还用于：
向该终端设备发送物理信道，该物理信道用于指示下行数据的传输资源中是否存在同步信号、第二系统信息中的至少一项。
可选地，该发送模块520还用于：
向该终端设备发送第二指示，该第二指示用于指示第一时间信息，该第一时间信息包括时间起始位置、时间长度信息中的至少一项，该第一时间信息用于该终端设备确定第二资源；
使用该第二资源发送更新后的系统信息。
图5所示的网络设备500能够实现前述实施例中由网络设备所实现的各个过程，其中， 在具体产品实现中，发送模块可以为发送器，接收模块可以为接收器，获取模块以及其他处理动作可以由至少一个处理器来完成，为避免重复，这里不再赘述。
因此，网络设备500可以获取第一指示，该第一指示用于指示第一资源，并在非授权频谱上使用该第一资源向终端设备发送第一系统信息，使得终端设备在该第一资源接收该第一系统信息，能够灵活地广播系统信息，从而较为实时得适配小区的业务。
图6示出了本发明的又一实施例提供的终端设备的装置的结构，包括至少一个处理器602(例如CPU)，至少一个网络接口605或者其他通信接口，存储器606，和至少一个通信总线603，用于实现这些装置之间的连接通信。处理器602用于执行存储器606中存储的可执行模块，例如计算机程序。存储器606可能包含高速随机存取存储器(RAM：Random Access Memory)，也可能还包括非不稳定的存储器(non-volatile memory)，例如至少一个磁盘存储器。通过至少一个网络接口605(可以是有线或者无线)实现与至少一个其他网元之间的通信连接。
在一些实施方式中，存储器606存储了程序6061，处理器602执行程序7061，用于执行前述本发明实施例的终端设备侧的方法。
图7示出了本发明的又一实施例提供的网络设备的装置的结构，包括至少一个处理器702(例如CPU)，至少一个网络接口705或者其他通信接口，存储器706，和至少一个通信总线703，用于实现这些装置之间的连接通信。处理器702用于执行存储器706中存储的可执行模块，例如计算机程序。存储器706可能包含高速随机存取存储器(RAM：Random Access Memory)，也可能还包括非不稳定的存储器(non-volatile memory)，例如至少一个磁盘存储器。通过至少一个网络接口705(可以是有线或者无线)实现与至少一个其他网元之间的通信连接。
在一些实施方式中，存储器706存储了程序7061，处理器702执行程序7061，用于执行前述本发明实施例的网络设备侧的方法。
应理解，在本发明的各种实施例中，上述各过程的序号的大小并不意味着执行顺序的先后，各过程的执行顺序应以其功能和内在逻辑确定，而不应对本发明实施例的实施过程构成任何限定。
本领域普通技术人员可以意识到，结合本文中所公开的实施例描述的各示例的单元及算法步骤，能够以电子硬件、或者计算机软件和电子硬件的结合来实现。这些功能究竟以硬件还是软件方式来执行，取决于技术方案的特定应用和设计约束条件。专业技术人员可以对每个特定的应用来使用不同方法来实现所描述的功能，但是这种实现不应认为超出本发明的范围。
所属领域的技术人员可以清楚地了解到，为描述的方便和简洁，上述描述的系统、装置和单元的具体工作过程，可以参考前述方法实施例中的对应过程，在此不再赘述。
在本申请所提供的几个实施例中，应该理解到，所揭露的系统、装置和方法，可以通过其它的方式实现。例如，以上所描述的装置实施例仅仅是示意性的，例如，该单元的划分，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式，例如多个单元或组件可以结合或者可以集成到另一个系统，或一些特征可以忽略，或不执行。另一点，所显示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口，装置或单元的间接耦合或通信连接，可以是电性，机械或其它的形式。
该作为分离部件说明的单元可以是或者也可以不是物理上分开的，作为单元显示的部件可以是或者也可以不是物理单元，即可以位于一个地方，或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部单元来实现本实施例方案的目的。
另外，在本发明各个实施例中的各功能单元可以集成在一个处理单元中，也可以是各个单元单独物理存在，也可以两个或两个以上单元集成在一个单元中。
所述功能如果以软件功能单元的形式实现并作为独立的产品销售或使用时，可以存储在一个计算机可读取存储介质中。基于这样的理解，本发明的技术方案本质上或者说对现有技术做出贡献的部分或者该技术方案的部分可以以软件产品的形式体现出来，该计算机软件产品存储在一个存储介质中，包括若干指令用以使得一台计算机设备(可以是个人计算机，服务器，或者网络设备等)执行本发明各个实施例所述方法的全部或部分步骤。而前述的存储介质包括：U盘、移动硬盘、只读存储器(Read-Only Memory，ROM)、随机存取存储器(Random Access Memory，RAM)、磁碟或者光盘等各种可以存储程序代码的介质。
以上所述，仅为本发明实施例的具体实施方式，但本发明实施例的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本发明实施例揭露的技术范围内，可轻易想到变化或替换，都应涵盖在本发明实施例的保护范围之内。因此，本发明实施例的保护范围应以所述权利要求的保护范围为准。

Claims (27)

  1. 一种用于传输数据的方法，其特征在于，包括：
    终端设备从网络设备获取第一指示，所述第一指示用于指示第一资源，所述第一资源用于网络设备在非授权频谱上发送第一系统信息；
    所述终端设备在非授权频谱上使用所述第一资源接收所述第一系统信息。
  2. 根据权利要求1所述的方法，其特征在于，所述第一指示对应的时间单元与所述第一系统信息对应的时间单元之间的偏移量为大于或等于0的整数。
  3. 根据权利要求1或2所述的方法，其特征在于，所述第一指示还用于指示第一信息，所述第一信息用于通知所述终端设备存在所述终端设备所需的所述第一系统信息。
  4. 根据权利要求1至3中任一项所述的方法，其特征在于，所述第一系统信息包括以下信息中的至少一种：
    服务小区的下行带宽信息、服务小区中至少一个子载波间隔的类型的数目、所述至少一个子载波间隔中每个子载波间隔占用的带宽信息、系统帧号、所述终端设备进行小区选择的配置信息、所述终端设备进行随机接入的配置信息、所述第一系统信息中包含的小区列表、业务的系统消息。
  5. 根据权利要求1至4中任一项所述的方法，其特征在于，所述方法还包括：
    所述终端设备向所述网络设备发送请求信息，所述请求信息用于请求所述第一系统信息；
    其中，所述终端设备在所述第一资源接收所述第一系统信息，包括：
    所述终端设备在所述第一资源接收所述网络设备根据所述请求信息发送的所述第一系统信息。
  6. 根据权利要求1至5中任一项所述的方法，其特征在于，所述方法还包括：
    所述终端设备接收物理信道，所述物理信道用于指示下行数据的传输资源中是否存在同步信号、第二系统信息中的至少一项；
    根据所述传输资源中是否存在所述同步信号、所述第二系统信息中的至少一项，接收所述网络设备发送的下行数据。
  7. 根据权利要求6所述的方法，其特征在于，所述物理信道与所述下行数据的传输资源位于相同的服务小区，或者位于不同的服务小区，或者对应不同的子载波类型，或者对应不同的传输时间间隔类型。
  8. 根据权利要求1至7中任一项所述的方法，其特征在于，在所述终端设备从网络设备获取第一指示后，所述方法还包括：
    所述终端设备获取所述网络设备发送的第二指示，所述第二指示用于指示第一时间信息，所述第一时间信息包括时间起始位置、时间长度信息中的至少一项；
    所述终端设备根据所述时间起始位置、所述时间长度信息中的至少一项，以及所述第一资源，确定第二资源；
    所述终端设备使用所述第二资源接收更新后的系统信息。
  9. 根据权利要求1至8中任一项所述的方法，其特征在于，所述终端设备在所述第 一资源接收所述系统信息，包括：
    所述终端设备启动第一定时器，并在所述第一定时器运行期间，在所述第一资源接收所述第一系统信息；
    所述方法还包括：
    若所述第一定时器超时后，未接收到所述第一系统信息，所述终端设备进行小区重选。
  10. 根据权利要求1至9中任一项所述的方法，其特征在于，所述第一指示是所述网络设备采用预先配置的方案发送的，所述预先配置的方案包括以下至少一种：预设的调制编码方案、预设的时域资源位置、预设的频域资源位置、预设的子载波间隔类型。
  11. 根据权利要求1至10中任一项所述的方法，其特征在于，所述第一指示与所述第一系统信息是在相同或不同的传输机会TXOP进行传输的。
  12. 一种用于传输数据的方法，其特征在于，包括：
    网络设备获取第一指示，所述第一指示用于指示第一资源；
    所述网络设备在非授权频谱上使用所述第一资源向终端设备发送第一系统信息。
  13. 根据权利要求12所述的方法，其特征在于，所述方法还包括：
    所述网络设备接收所述终端设备发送的请求信息，所述请求信息用于所述终端设备请求所述第一系统信息；
    其中，所述网络设备在所述第一资源向终端设备发送第一系统信息，包括：
    所述网络设备根据所述请求信息，在所述第一资源向所述终端设备发送所述第一系统信息。
  14. 根据权利要求12或13所述的方法，其特征在于，所述方法还包括：
    所述网络设备向所述终端设备发送物理信道，所述物理信道用于指示下行数据的传输资源中是否存在同步信号、第二系统信息中的至少一项。
  15. 根据权利要求12至14中任一项所述的方法，其特征在于，所述方法还包括：
    所述网络设备向所述终端设备发送第二指示，所述第二指示用于指示第一时间信息，所述第一时间信息包括时间起始位置、时间长度信息中的至少一项，所述第一时间信息用于所述终端设备确定第二资源；
    所述网络设备使用所述第二资源发送更新后的系统信息。
  16. 根据权利要求12至15中任一项所述的方法，其特征在于，所述第一指示是采用预先配置的方案发送给所述终端设备的，所述预先配置的方案包括以下至少一种：预设的调制编码方案、预设的时域资源位置、预设的频域资源位置、预设的子载波间隔类型。
  17. 一种终端设备，其特征在于，包括：
    获取模块，用于从网络设备获取第一指示，所述第一指示用于指示第一资源，所述第一资源用于网络设备在非授权频谱上发送第一系统信息；
    接收模块，用于在非授权频谱上使用所述获取模块获取的所述第一资源接收所述第一系统信息。
  18. 根据权利要求17所述的终端设备，其特征在于，所述第一指示对应的时间单元与所述第一系统信息对应的时间单元之间的偏移量为大于或等于0的整数。
  19. 根据权利要求17或18所述的终端设备，其特征在于，所述第一指示还用于指示第一信息，所述第一信息用于通知所述终端设备存在所述终端设备所需的所述第一系统信 息。
  20. 根据权利要求17至19中任一项所述的终端设备，其特征在于，所述终端设备还包括：
    发送模块，用于向所述网络设备发送请求信息，所述请求信息用于请求所述第一系统信息；
    其中，所述接收模块具体用于：
    在所述第一资源接收所述网络设备根据所述请求信息发送的所述第一系统信息。
  21. 根据权利要求17至20中任一项所述的终端设备，其特征在于，所述接收模块还用于：
    接收物理信道，所述物理信道用于指示下行数据的传输资源中是否存在同步信号、第二系统信息中的至少一项；
    根据所述传输资源中是否存在所述同步信号、所述第二系统信息中的至少一项，接收所述网络设备发送的下行数据。
  22. 根据权利要求17至21中任一项所述的终端设备，其特征在于，所述获取模块还用于：
    获取所述网络设备发送的第二指示，所述第二指示用于指示第一时间信息，所述第一时间信息包括时间起始位置、时间长度信息中的至少一项；
    所述终端设备还包括：
    确定模块，用于根据所述时间起始位置、所述时间长度信息中的至少一项，以及所述第一资源，确定第二资源；
    所述接收模块还用于，使用所述第二资源接收更新后的系统信息。
  23. 根据权利要求17至22中任一项所述的终端设备，其特征在于，所述接收模块具体用于：
    启动第一定时器，并在所述第一定时器运行期间，在所述第一资源接收所述第一系统信息；
    所述终端设备还包括：
    处理模块，用于若所述第一定时器超时后，未接收到所述第一系统信息，进行小区重选。
  24. 一种网络设备，其特征在于，包括：
    获取模块，用于获取第一指示，所述第一指示用于指示第一资源；
    发送模块，用于在非授权频谱上使用所述第一资源向终端设备发送第一系统信息。
  25. 根据权利要求24所述的网络设备，其特征在于，所述网络设备还包括：
    接收模块，用于接收所述终端设备发送的请求信息，所述请求信息用于所述终端设备请求所述第一系统信息；
    其中，所述发送模块具体用于：
    根据所述请求信息，在所述第一资源向所述终端设备发送所述第一系统信息。
  26. 根据权利要求24或25所述的网络设备，其特征在于，所述发送模块还用于：
    向所述终端设备发送物理信道，所述物理信道用于指示下行数据的传输资源中是否存在同步信号、第二系统信息中的至少一项。
  27. 根据权利要求24至26中任一项所述的网络设备，其特征在于，所述发送模块还用于：
    向所述终端设备发送第二指示，所述第二指示用于指示第一时间信息，所述第一时间信息包括时间起始位置、时间长度信息中的至少一项，所述第一时间信息用于所述终端设备确定第二资源；
    使用所述第二资源发送更新后的系统信息。
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