WO2019223792A1 - 数据传输方法、装置、基站、终端和可读存储介质 - Google Patents

数据传输方法、装置、基站、终端和可读存储介质 Download PDF

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Publication number
WO2019223792A1
WO2019223792A1 PCT/CN2019/088382 CN2019088382W WO2019223792A1 WO 2019223792 A1 WO2019223792 A1 WO 2019223792A1 CN 2019088382 W CN2019088382 W CN 2019088382W WO 2019223792 A1 WO2019223792 A1 WO 2019223792A1
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Prior art keywords
terminal
data transmission
rnti
paging message
downlink
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PCT/CN2019/088382
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English (en)
French (fr)
Inventor
刘旭
戴博
沙秀斌
陆婷
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中兴通讯股份有限公司
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Application filed by 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Priority to KR1020207036793A priority Critical patent/KR102385765B1/ko
Priority to EP19808085.5A priority patent/EP3806511A4/en
Priority to US17/056,629 priority patent/US11470576B2/en
Publication of WO2019223792A1 publication Critical patent/WO2019223792A1/zh
Priority to US17/902,181 priority patent/US11765688B2/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/26—Network addressing or numbering for mobility support
    • H04W8/28—Number portability ; Network address portability
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/0005—Synchronisation arrangements synchronizing of arrival of multiple uplinks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/004—Synchronisation arrangements compensating for timing error of reception due to propagation delay
    • H04W56/0045—Synchronisation arrangements compensating for timing error of reception due to propagation delay compensating for timing error by altering transmission time
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
    • H04W68/005—Transmission of information for alerting of incoming communication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
    • H04W68/02—Arrangements for increasing efficiency of notification or paging channel
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling
    • H04W72/1263—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
    • H04W72/1273—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows of downlink data flows
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
    • 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
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0833—Random access procedures, e.g. with 4-step access
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/26—Network addressing or numbering for mobility support
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/11—Allocation or use of connection identifiers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • Embodiments of the present disclosure relate to the field of communications, and in particular, to a data transmission method, device, base station, terminal, and readable storage medium.
  • the base station when the downlink data sent by the base station to the terminal reaches the Mobility Management Entity (MME), it will trigger the sending of a paging message.
  • the paging message carries the UE (user equipment, terminal) Paging Identity. Calling ID) (IMSI / S-TMSI) and TAI (Tracking Area Identity) are sent to the base station through the S1 port.
  • the base station calculates the corresponding PO based on the UE Paging Identity carried in the paging message, and sends the paging message on the corresponding PO.
  • the UE After the UE has successfully received the paging message, it will initiate the initial random access process. After entering the connected state, the UE can receive downlink data.
  • the UE For downlink data services, especially downlink packet data services, the UE needs to establish a connection and enter the connected state each time it is received, which not only causes waste of wireless resources but also increases the power consumption of the terminal. It is an urgent problem to realize that the terminal can efficiently receive downlink data.
  • the embodiments of the present disclosure provide a data transmission method, device, base station, terminal, and readable storage medium, which aim to solve the problem of tedious process of receiving and sending downlink data in related technologies.
  • an embodiment of the present disclosure provides a data transmission method, including:
  • the control channel resource set is composed of a first type search space and / or a second type search space; the second channel characteristic hypothesis is used for all The configuration of control channel resources in the second type of search space is described;
  • An embodiment of the present disclosure further provides a data transmission method, including:
  • An embodiment of the present disclosure further provides a data transmission method, including:
  • An embodiment of the present disclosure further provides a data transmission device, including:
  • a paging sending module configured to carry a C-RNTI in a paging message sent to a terminal
  • a downlink sending module configured to perform downlink data transmission based on the C-RNTI.
  • An embodiment of the present disclosure further provides a data transmission device, including:
  • a paging receiving module configured to receive a paging message sent by a base station, where the paging message carries a cell wireless network temporary identifier C-RNTI;
  • a downlink receiving module configured to receive downlink data sent by a base station based on the C-RNTI.
  • An embodiment of the present disclosure further provides a base station including a first processor, a first memory, and a first communication bus;
  • the first communication bus is configured to implement connection and communication between the first processor and a first memory
  • the first processor is configured to execute a computer program stored in the first memory to implement the steps of the foregoing data transmission method.
  • An embodiment of the present disclosure further provides a terminal including a second processor, a second memory, and a second communication bus;
  • the second communication bus is configured to implement connection and communication between the second processor and a second memory
  • the second processor is configured to execute a computer program stored in the second memory to implement the steps of the foregoing data transmission method.
  • An embodiment of the present disclosure also provides a computer-readable storage medium.
  • the computer-readable storage medium stores one or more computer programs, and the computer programs can be executed by one or more processors to implement the foregoing data transmission method. step.
  • Embodiments of the present disclosure provide a data transmission method, device, base station, terminal, and readable storage medium.
  • a paging message is sent to a terminal, and the paging message carries a cell wireless network temporary identity C-RNTI, and then is based on the C-RNTI.
  • the C-RNTI is directly carried in the paging message to indicate the transmission of downlink data.
  • the paging message is sent first, and then the C-RNTI is sent by initiating the initial random access process, which significantly improves the efficiency , To achieve efficient transmission of downlink data, and also reduce terminal power consumption and wireless resource occupation rate.
  • FIG. 1 is a flowchart of a data transmission method according to a first embodiment of the present disclosure
  • FIG. 2 is a schematic diagram of paging transmission according to various embodiments of the present disclosure
  • FIG. 3 is a flowchart of a data transmission method according to a second embodiment of the present disclosure.
  • FIG. 4 is a signal flow diagram of a data transmission method according to a third embodiment of the present disclosure.
  • FIG. 5 is a signal flow diagram of a data transmission method according to a fourth embodiment of the present disclosure.
  • FIG. 6 is a signal flow diagram of a data transmission method according to a fifth embodiment of the present disclosure.
  • FIG. 7 is a signal flow diagram of a data transmission method according to a sixth embodiment of the present disclosure.
  • FIG. 8 is a signal flow diagram of a data transmission method according to a seventh embodiment of the present disclosure.
  • FIG. 9 is a signal flow diagram of a data transmission method according to an eighth embodiment of the present disclosure.
  • FIG. 10 is a signal flow diagram of a TA (Timing, Advancement) management method provided by a ninth embodiment of the present disclosure.
  • FIG. 11 is a signal flow diagram of a TA (Timing, Advancement) management method according to a tenth embodiment of the present disclosure
  • FIG. 12 is a schematic structural diagram of a data transmission device according to an eleventh embodiment of the present disclosure.
  • FIG. 13 is a schematic structural diagram of a data transmission device according to a twelfth embodiment of the present disclosure.
  • FIG. 14 is a schematic diagram of a composition of a base station provided by a thirteenth embodiment of the present disclosure.
  • FIG. 15 is a schematic diagram of a user equipment according to a fourteenth embodiment of the present disclosure.
  • FIG. 1 is a flowchart of a data transmission method according to a first embodiment of the present disclosure, including:
  • C-RNTI which is the temporary identification of the cell wireless network
  • the MME is the key control node of the 3GPP protocol LTE access network. It is responsible for the positioning and paging process of the UE in idle mode, including the relay. Order processing part.
  • the MME sends a paging message to the base station through the S1 interface, where the S1 interface is a communication interface between the LTE eNodeB (base station) and the EPC (Packet Core Network), and divides the LTE system into two parts, a radio access network and a core network.
  • the sending of the paging message to the terminal in this embodiment is performed by the base station, and is a process after the MME sends the paging message to the base station through the S1 interface.
  • the method may further include: sending downlink scheduling information DL-grant to the terminal.
  • the downlink scheduling information may be used to indicate sending conditions of downlink data.
  • the downlink scheduling information may correspondingly indicate corresponding physical downlink shared channel (PDSCH) resources.
  • the transmission of downlink data based on the C-RNTI may include: sending downlink data on the physical downlink shared channel resource corresponding to the downlink scheduling information; or, it may further include sending an MSG4 message on the resource corresponding to the downlink scheduling information ; Complete random access procedure based on MSG4 message, and perform downlink data transmission.
  • MSG4 is also message 4, which is a message during the establishment of PRACH (Physical Random Access Channel).
  • the base station can also determine whether the UE can apply the enhanced paging method in the embodiment of the present disclosure, that is, the data in the embodiment of the present disclosure.
  • the paging message sent by the corresponding base station in the transmission method if possible, the paging message can be transmitted in the data transmission method in the embodiments of the present disclosure. If not, the traditional paging method is still used. Please refer to Figure 2.
  • the MME can send a paging message to all base stations in the tracking area TA (Tracking Area) through the S1 port; after receiving the paging of the S1 port, the base station in the TA is based on the base station.
  • the eNB performs an enhanced paging process; otherwise, it performs legacy paging, that is, traditional paging Process.
  • sending the downlink scheduling information to the terminal may include: carrying the downlink scheduling information DL-grant in a paging message. That is, the base station will page the UE by carrying the allocated C-RNTI and DL-grant through the paging message. Correspondingly, it may include: one way, DL-grant configures resources for downlink data transmission, the base station sends downlink data on the PDSCH resource corresponding to DL-grant; and the UE receives the C-RNTI and DL-grant After paging the message, use the C-RNTI to receive downlink data on the PDSCH resource corresponding to the DL-grant.
  • the DL-grant configuration resource is used for sending MSG4 during the PRACH establishment process, and the base station sends MSG4 on the resource corresponding to the DL-grant; after receiving the paging message carrying the C-RNTI and DL-grant, the UE uses the C- The RNTI receives MSG4 on the resources corresponding to the DL-grant, completes the random access procedure, and then transmits downlink data.
  • sending the downlink scheduling information to the terminal may include sending the downlink scheduling information through a physical downlink control channel. That is, the base station will page the UE through the paging message carrying the assigned C-RNTI, and the downlink scheduling information is sent through other channels. Correspondingly, it may include: a manner in which the base station sends downlink scheduling information DL-grant for PDSCH for downlink data transmission through the PDCCH; and then sends downlink data on the PDSCH resource indicated by the DL-grant. After receiving the paging message carrying the C-RNTI, the UE monitors the DL-grant in the PDCCH, and then receives downlink data at the indicated PDSCH resource location.
  • the base station sends downlink scheduling information DL-grant for MSG4 transmission through the PDCCH, and then sends MSG4; after receiving the paging message carrying the C-RNTI, the UE monitors the PDCCH and then receives MSG4 at the indicated resource location, Thus, the random access procedure is completed, and then downlink data is received.
  • MSG4 is the fourth message of the random access procedure.
  • transmitting the downlink data based on the C-RNTI may further include: directly carrying the downlink data in the paging message.
  • the downlink data can be directly added to the paging message and then sent to the terminal, thereby further avoiding the establishment process of random access.
  • the method may further include: carrying the uplink scheduling information in the paging message; receiving feedback information of the downlink data sent by the receiving terminal according to the resource location configured by the uplink scheduling information, uplink data, a buffer status report BSR request, and MSG3 At least one of the messages.
  • the uplink scheduling information may be used by the terminal to feedback the downlink data, or the terminal may directly send uplink data through the uplink scheduling information, or the terminal may use the uplink scheduling information to send a BSR (Buffer Status Report, buffer status report) request, Or, the terminal uses the uplink scheduling information to send an MSG3 message, and then completes a subsequent random access process.
  • BSR Buffer Status Report, buffer status report
  • the method may further include: carrying a timing advance (Timing, Advance, time synchronization information) information in the paging message; correspondingly, based on the C-RNTI, transmitting downlink data may further include: : Transmission of downlink data based on C-RNTI and timing advance information.
  • a timing advance Timing, Advance, time synchronization information
  • transmitting downlink data may further include: : Transmission of downlink data based on C-RNTI and timing advance information.
  • the timing advance information may be, for example, when the terminal is in a terminal scenario where geographical locations are aggregated, the timing advance information corresponding to any terminal in the terminal scenario.
  • the base station After a UE completes the complete PRACH process, the base station will obtain the time synchronization information TA value of the UE and save the TA value. Because these terminal address locations are aggregated together, they The TA value can be regarded as the same.
  • the base station determines whether the TA value of the corresponding UE is saved; if it exists, the eNB will page the UE by carrying the assigned C-RNTI, corresponding DL-grant, and TA through the paging message. .
  • it may include: a method in which DL-grant configuration resources are used for transmission of downlink data, a base station sends downlink data on a PDSCH resource corresponding to DL-grant, and the UE receives a paging message carrying C-RNTI and DL-grant Then, the C-RNTI is used to receive downlink data on the PDSCH resource corresponding to the DL-grant.
  • One method is to configure resources for DL-grant for sending MSG4 during PRACH.
  • the base station sends MSG4 on the resources corresponding to DL-grant.
  • the UE uses C -The RNTI receives MSG4 on the resources corresponding to the DL-grant, completes the random access procedure, and then receives downlink data.
  • the base station may also page the UE by carrying the assigned C-RNTI and TA values in the paging message.
  • the method may include: a method in which a base station sends downlink scheduling information DL-grant of PDSCH for downlink data transmission through a PDCCH; and then sends downlink data on a PDSCH resource.
  • the UE monitors the PDCCH, and then receives downlink data at the indicated PDSCH resource location.
  • the base station sends downlink scheduling information DL-grant for MSG4 transmission through the PDCCH; and sends MSG4.
  • the UE monitors the PDCCH, then receives MSG4 at the indicated resource location, and then completes the random access procedure, and then receives downlink data.
  • the base station may also page the UE by carrying the assigned C-RNTI, corresponding UL-grant (uplink scheduling information), and TA through a paging message.
  • the eNB may carry the DL data in the paging message.
  • the UE After the UE receives the paging message carrying the assigned C-RNTI, corresponding UL-grant, and corresponding DL data, in one embodiment: one way, using the corresponding C-RNTI in the corresponding UL-grant configuration Send ACK / NACK (response / negative response) at the resource location to complete the feedback on the downlink data reception; one way, if there is an uplink packet service at this time, the corresponding UL-grant can be used to directly complete the uplink data transmission; In this way, if there is uplink data to be sent at this time, the corresponding UL-grant can be used to send a BSR request; in one way, the UE can use the UL-grant to send an MSG3 message to complete the subsequent PRACH process.
  • the method before carrying the time advance information in the paging message, may further include: determining the sharing situation of the time advance information among the terminals, that is, the management of the TA in the scenario where the geographical locations are aggregated.
  • determining the sharing of the advance information may include: triggering the positioning of the terminal; obtaining the location information of the terminal; and determining the terminal sharing the advance information according to the location information of each terminal.
  • the object that triggers the positioning of the terminal may be a terminal or a network-side device, such as a base station or an MME.
  • the network side can obtain the terminal's location information, mainly through the MME to obtain the terminal's location information, and then the MME can inform the eNB of the UE's location information, and the eNB manages the location information of each UE, and Determine a group of UEs that can share the TA value.
  • the eNB After the eNB receives the paging message issued by the MME, the eNB decides which UEs can share the TA in the next paging process, that is, the TA value is brought to the users in the group through paging.
  • the MME manages the location information of the UE; when the MME sends a paging message to the base station through the S1 port, the location information of the UE can be brought to the eNB at the same time, which is determined by the eNB Which UEs can share the TA during the paging process, that is, the TA value is brought to the users in the group through paging.
  • This embodiment provides a data transmission method.
  • a paging message is sent to a terminal.
  • the paging message carries a cell wireless network temporary identifier C-RNTI, and then performs downlink data transmission based on the C-RNTI. Therefore, the C-RNTI is directly carried in the paging message to indicate the transmission of downlink data.
  • the paging message is sent first, and then the C-RNTI is sent by initiating the initial random access process. , To achieve efficient transmission of downlink data, and also reduce terminal power consumption and wireless resource occupation rate.
  • FIG. 3 is a flowchart of a data transmission method according to a second embodiment of the present disclosure, including:
  • S301 Receive a paging message sent by a base station, where the paging message carries a cell wireless network temporary identifier C-RNTI;
  • the method may further include: receiving downlink scheduling information sent by a base station;
  • the downlink data sent by the receiving base station includes:
  • the MSG4 message is received on the resource corresponding to the downlink scheduling information; the random access procedure is completed based on the MSG-message 4 and downlink data transmission is performed.
  • transmitting downlink data may further include:
  • the paging message directly carries downlink data.
  • it may further include:
  • an MSG3 message is sent, and a random access process is completed based on the MSG3 message.
  • it may further include:
  • the transmission of downlink data also includes:
  • the downlink data sent by the base station is received.
  • the timing advance information may be timing advance information corresponding to any terminal in the terminal scenario when the terminal is in a terminal scenario where geographical locations are aggregated.
  • the method before carrying the time advance information in the paging message, the method may further include:
  • This embodiment provides a data transmission method.
  • a paging message sent by a base station is received.
  • the paging message carries a cell wireless network temporary identifier C-RNTI, and then receives downlink data sent by the base station based on the C-RNTI. Therefore, the C-RNTI is directly carried in the paging message to indicate the transmission of downlink data.
  • the paging message is sent first, and then the C-RNTI is sent by initiating the initial random access process, which significantly improves the efficiency. , To achieve efficient transmission of downlink data, and also reduce terminal power consumption and wireless resource occupation rate.
  • FIG. 4 is a signal flow diagram of a data transmission method according to a third embodiment of the present disclosure.
  • the paging message can carry C-RNTI and DL-grant to complete the downlink data transmission process.
  • the downlink data delivered by the base station reaches the MME.
  • the MME initiates a paging message to the base station through the S1 interface.
  • the base station After the base station receives the paging message of the S1 port, the base station determines whether the UE is applicable to the enhanced paging method.
  • the eNB will page the UE with the assigned C-RNTI and DL-grant through a paging message.
  • DL-grant configures resources for transmission of downlink data, and the base station sends downlink data on the PDSCH resource corresponding to the DL-grant;
  • the UE After receiving the paging message carrying the C-RNTI and DL-grant, the UE uses the C-RNTI to receive downlink data on the PDSCH resource corresponding to the DL-grant.
  • the DL-grant configures resources for sending MSG4 during the PRACH process, and the base station sends MSG4 on the resources corresponding to the DL-grant; after the UE receives the paging message carrying the C-RNTI and DL-grant , Using C-RNTI to receive MSG4 on the resource corresponding to DL-grant, and then complete the random access process, and then receive the downlink data.
  • the paging message can carry C-RNTI, data, and UL-grant to complete the downlink data transmission process.
  • the downlink data delivered by the base station reaches the MME.
  • the MME initiates a paging message to the base station through the S1 interface.
  • the base station After the base station receives the paging message of the S1 port, the base station determines whether the UE is applicable to the enhanced paging method.
  • the eNB will page the UE with the assigned C-RNTI and UL-grant through a paging message.
  • the eNB may carry the DL data in the paging message.
  • the UE After receiving the paging message carrying C-RNTI, UL-grant, and DL data, the UE sends a ACK / NACK on the resource location configured by UL-grant by using C-RNTI to complete the downlink data reception. Feedback; one way, if there is uplink small packet service at this time, you can use UL-grant to directly send uplink data; one way, if there is uplink data to be sent at this time, you can use UL-grant to send BSR request; In this way, the UE sends a MSG3 message using UL-grant, and then completes the subsequent PRACH process.
  • the paging message can carry the C-RNTI to complete the downlink data transmission process.
  • the downlink data delivered by the base station reaches the MME.
  • the MME initiates a paging message to the base station through the S1 interface.
  • the base station After the base station receives the paging message of the S1 port, the base station determines whether the UE is applicable to the enhanced paging method.
  • the eNB will page the UE through the paging message carrying the allocated C-RNTI.
  • the base station sends downlink scheduling information DL-grant of the PDSCH for downlink data transmission through the PDCCH.
  • the UE After receiving the paging message carrying the C-RNTI, the UE monitors the PDCCH, and then receives downlink data at the indicated PDSCH resource location.
  • the base station sends downlink scheduling information DL-grant for MSG4 transmission through the PDCCH; and then sends MSG4.
  • the UE monitors the PDCCH, then receives MSG4 at the indicated resource location, and then completes the random access procedure, and then receives downlink data.
  • FIG. 7 is a signal flow diagram of a data transmission method according to a sixth embodiment of the present disclosure.
  • the corresponding C-RNTI, corresponding DL-grant, and TA can be carried in the paging message to complete the transmission of downlink data.
  • the downlink data delivered by the base station reaches the MME.
  • the MME initiates a paging message to the base station through the S1 interface.
  • the base station determines whether the UE is applicable to the enhanced paging method. For geographically-gathered terminal scenarios, after a UE completes the complete PRACH process, the base station will obtain the time synchronization information TA value of the UE and save the TA value. Because these terminal address locations are aggregated together, they The TA value can be regarded as the same. After the base station receives the paging message of the S1 port, the base station determines whether the TA value of the UE is stored.
  • the eNB will page the UE with the assigned C-RNTI, corresponding DL-grant, and TA through a paging message.
  • the DL-grant configures resources for transmission of downlink data, and the base station sends the downlink data on the PDSCH resource corresponding to the DL-grant.
  • the UE After receiving the paging message carrying the C-RNTI and DL-grant, the UE uses the C-RNTI to receive downlink data on the PDSCH resource corresponding to the DL-grant.
  • the DL-grant configures resources for sending MSG4 during the PRACH process, and the base station sends MSG4 on the resources corresponding to the DL-grant; after the UE receives the paging message carrying the C-RNTI and DL-grant , Using C-RNTI to receive MSG4 on the resource corresponding to DL-grant, and then complete the random access process, and then receive the downlink data.
  • FIG. 8 is a signal flow diagram of a data transmission method according to a seventh embodiment of the present disclosure.
  • the corresponding C-RNTI and TA can be carried in the paging message to complete the transmission of downlink data.
  • the downlink data delivered by the base station reaches the MME.
  • the MME initiates a paging message to the base station through the S1 interface
  • the base station determines whether the UE is applicable to the enhanced paging method. For geographically-gathered terminal scenarios, after a UE completes the complete PRACH process, the base station will obtain the time synchronization information TA value of the UE and save the TA value. Because these terminal address locations are aggregated together, they The TA value can be regarded as the same. After the base station receives the paging message of the S1 port, the base station determines whether the TA value of the UE is stored.
  • the eNB will page the UE with the assigned C-RNTI and TA through a paging message.
  • the base station sends downlink scheduling information DL-grant of the PDSCH for downlink data transmission through the PDCCH; and then sends the downlink data on the PDSCH resource.
  • the UE After receiving the paging message carrying the C-RNTI, the UE monitors the PDCCH, and then receives downlink data at the indicated PDSCH resource location.
  • the base station sends downlink scheduling information DL-grant for MSG4 transmission through the PDCCH; and sends MSG4.
  • the UE monitors the PDCCH, then receives MSG4 at the indicated resource location, and then completes the random access procedure, and then receives downlink data.
  • FIG. 9 is a signal flow diagram of a data transmission method according to an eighth embodiment of the present disclosure.
  • the corresponding C-RNTI, the corresponding UL-grant, and TA can be carried in the paging message to complete the transmission of downlink data.
  • the downlink data delivered by the base station reaches the MME.
  • the MME initiates a paging message to the base station through the S1 interface.
  • the base station determines whether the UE is applicable to the enhanced paging method. For geographically-gathered terminal scenarios, after a UE completes the complete PRACH process, the base station will obtain the time synchronization information TA value of the UE and save the TA value. Because these terminal address locations are aggregated together, they The TA value can be regarded as the same. After the base station receives the paging message of the S1 port, the base station determines whether the TA value of the UE is stored.
  • the eNB will page the UE by carrying the allocated C-RNTI, corresponding UL-grant, and TA through a paging message. In one embodiment, the eNB carries the DL data in a paging message.
  • the UE After receiving the paging message carrying the allocated C-RNTI, the corresponding UL-grant, and the corresponding DL data, the UE uses a corresponding C-RNTI at the resource location configured by the corresponding UL-grant.
  • the BSR request can be sent using the corresponding UL-grant; in one way, the UE sends the MSG3 message using the UL-grant to complete the subsequent PRACH process.
  • FIG. 10 is a signal flow diagram of a management method for TA (Timing and Advancement) in a terminal scenario with geographical location aggregation provided by a ninth embodiment of the present disclosure.
  • the network side triggers positioning or the UE triggers positioning, and the MME obtains the location information of the UE;
  • the location information of the UE is managed by the MME.
  • the MME initiates a paging message to the base station through the S1 interface; when the MME sends a paging message through the S1 interface, it also brings the location information of the UE to the eNB.
  • the eNB decides which UEs can share the TA in the next paging process, that is, the TA value is brought to the users in the group through paging.
  • the eNB decides whether to send a paging carrying a TA or directly sends a legacy paging message according to the obtained location information of the UE.
  • FIG. 11 is a signal flow diagram of a management method for TA (Timing and Advancement) in a terminal scenario with geographical location aggregation provided by the tenth embodiment of the present disclosure.
  • the network side triggers positioning or the UE triggers positioning, and the MME obtains the location information of the UE;
  • the MME notifies the eNB of the location information of the UE, and the eNB manages the location information of each UE;
  • the MME initiates a paging message to the base station through the S1 interface
  • S1105 The eNB decides which UEs can share the TA in the next paging process, that is, the TA value passes through the users in the paging band group.
  • S1106 The eNB decides whether to send a paging carrying a TA or directly sends a legacy paging message according to the obtained location information of the UE.
  • FIG. 12 is a schematic diagram of a composition of a data transmission device according to this embodiment, including:
  • a paging sending module 121 configured to carry a C-RNTI in a paging message sent to a terminal
  • the downlink sending module 122 is configured to transmit downlink data based on the C-RNTI.
  • the method may further include: sending downlink scheduling information DL-grant to the terminal.
  • sending the downlink scheduling information to the terminal may include: carrying the downlink scheduling information DL-grant in a paging message. That is, the base station will page the UE by carrying the allocated C-RNTI and DL-grant through the paging message.
  • sending the downlink scheduling information to the terminal may include sending the downlink scheduling information through a physical downlink control channel.
  • transmitting the downlink data based on the C-RNTI may further include: directly carrying the downlink data in the paging message.
  • the method may further include: carrying the uplink scheduling information in the paging message; receiving feedback information of the downlink data sent by the receiving terminal according to the resource location configured by the uplink scheduling information, uplink data, a buffer status report BSR request, and MSG3 At least one of the messages.
  • transmitting downlink data may further include: : Transmission of downlink data based on C-RNTI and timing advance information.
  • the method before carrying the time advance information in the paging message, may further include: determining the sharing situation of the time advance information among the terminals, that is, the management of the TA in the scenario where the geographical locations are aggregated.
  • determining the sharing of the advance information may include: triggering the positioning of the terminal; obtaining the location information of the terminal; and determining the terminal that shares the advance information according to the location information of each terminal.
  • FIG. 13 is a schematic diagram of a data transmission device according to this embodiment, including:
  • a paging receiving module 131 configured to receive a paging message sent by a base station, where the paging message carries a cell wireless network temporary identifier C-RNTI;
  • the downlink receiving module 132 is configured to receive downlink data sent by the base station based on the C-RNTI.
  • the method may further include: receiving downlink scheduling information sent by a base station;
  • the downlink data sent by the receiving base station includes:
  • the MSG4 message is received on the resource corresponding to the downlink scheduling information; the random access procedure is completed based on the MSG-message 4 and downlink data transmission is performed.
  • transmitting downlink data may further include:
  • the paging message directly carries downlink data.
  • it may further include:
  • an MSG3 message is sent, and a random access process is completed based on the MSG3 message.
  • it may further include:
  • the transmission of downlink data also includes:
  • the downlink data sent by the base station is received.
  • the timing advance information may be timing advance information corresponding to any terminal in the terminal scenario when the terminal is in a terminal scenario where geographical locations are aggregated.
  • the method before carrying the time advance information in the paging message, the method may further include:
  • FIG. 14 is a schematic structural diagram of a base station according to this embodiment, including a first processor 141, a first memory 142, and a first communication bus 143.
  • the first communication bus 143 is configured to implement connection and communication between the first processor 141 and the first memory 142.
  • the first processor 141 is configured to execute a computer program stored in the first memory 142 to implement the data transmission method in each embodiment of the present disclosure, and details are not described herein again.
  • FIG. 15 is a schematic diagram of a terminal composition according to this embodiment, including a second processor 151, a second memory 152, and a second communication bus 153.
  • the second communication bus 153 is configured to implement connection and communication between the second processor 151 and the second memory 152;
  • the second processor 151 is configured to execute a computer program stored in the second memory 152 to implement the data transmission method in the embodiments of the present disclosure, and details are not described herein again.
  • This embodiment provides a computer-readable storage medium.
  • the computer-readable storage medium stores one or more computer programs, and the computer programs can be executed by one or more processors to implement data in the foregoing embodiments.
  • the transmission method is not repeated here.
  • modules or steps of the present disclosure may be implemented by a general-purpose computing device, and they may be concentrated on a single computing device or distributed on a network composed of multiple computing devices.
  • they can be implemented with program code executable by a computing device, so that they can be stored in a storage medium (ROM / RAM, magnetic disk, optical disk) and executed by the computing device, and in some cases
  • ROM / RAM, magnetic disk, optical disk a storage medium
  • the steps shown or described may be performed in a different order than here, or they may be made into individual integrated circuit modules, or multiple modules or steps in them may be made into a single integrated circuit module. Therefore, the present disclosure is not limited to any specific combination of hardware and software.

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Abstract

本公开实施例提供了一种数据传输方法、装置、基站、终端和可读存储介质，向终端发送寻呼消息，在寻呼消息中携带小区无线网络临时标识C-RNTI，然后基于C-RNTI，进行下行数据的传输。从而通过在寻呼消息中直接携带C-RNTI来指示下行数据的传输，相对于相关技术中先发送寻呼消息，再通过发起初始的随机接入流程来发送C-RNTI而言显著提升了效率，实现了下行数据的高效传输，也降低了终端功耗和无线资源的占用率。

Description

数据传输方法、装置、基站、终端和可读存储介质 技术领域
本公开实施例涉及通信领域，尤其涉及一种数据传输方法、装置、基站、终端和可读存储介质。
背景技术
在相关的协议中，当基站发送给终端的下行数据达到MME(Mobility Management Entity，移动管理实体)时，将触发寻呼消息的发送，寻呼消息携带UE(用户设备，终端)Paging Identity(寻呼标识)(IMSI/S-TMSI)、TAI(Tracking Area identity，跟踪区识别码)通过S1口发送至基站。基站根据寻呼消息里携带的UE Paging Identity计算相应的PO，并在相应的PO上发送寻呼消息；UE在监听成功接收完寻呼消息以后，将发起初始的随机接入流程，在完成接入进入连接状态后，UE可以进行下行数据的接收。而对于下行数据业务，特别是下行小包数据业务而言，每接收一次，就需要UE建立连接进入连接态，不仅造成无线资源的浪费，而且也造成终端功耗的增加；针对这一问题，如何实现终端可以高效的完成下行数据的接收，是一个亟待解决的问题。
发明内容
本公开实施例提供了一种数据传输方法、装置、基站、终端和可读存储介质，旨在解决相关技术中收发下行数据流程繁琐的问题。
为了解决上述技术问题，本公开实施例提供了一种数据传输方法，包括：
接收第二通信节点配置的控制信道资源集合的第二信道特征假设；所述控制信道资源集合由第一类搜索空间和/或第二类搜索空间构成；所述第二信道特征假设用于所述第二类搜索空间内的控制信道资源的配置；
根据所述第二信道特征假设，接收第二通信节点发送的控制信道资源。
本公开实施例还提供了一种数据传输方法，包括：
向终端发送寻呼消息，所述寻呼消息中携带小区无线网络临时标识C-RNTI；
基于所述C-RNTI，进行下行数据的传输。
本公开实施例还提供了一种数据传输方法，包括：
接收基站发送的寻呼消息，所述寻呼消息中携带小区无线网络临时标识C-RNTI；
基于所述C-RNTI，接收基站发送的下行数据。
本公开实施例还提供了一种数据传输装置，包括：
寻呼发送模块，用于在发送给终端的寻呼消息中，携带C-RNTI；
下行发送模块，用于基于所述C-RNTI，进行下行数据的传输。
本公开实施例还提供了一种数据传输装置，包括：
寻呼接收模块，用于接收基站发送的寻呼消息，所述寻呼消息中携带小区无线网络临时标识C-RNTI；
下行接收模块，用于基于所述C-RNTI，接收基站发送的下行数据。
本公开实施例还提供了一种基站，包括第一处理器、第一存储器和第一通信总线；
所述第一通信总线用于实现所述第一处理器和第一存储器之间的连接通信；
所述第一处理器用于执行所述第一存储器中存储的计算机程序，以实现上述数据传输方法的步骤。
本公开实施例还提供了一种终端，包括第二处理器、第二存储器和第二通信总线；
所述第二通信总线用于实现所述第二处理器和第二存储器之间的连接通信；
所述第二处理器用于执行所述第二存储器中存储的计算机程序，以实现上述数据传输方法的步骤。
本公开实施例还提供了一种计算机可读存储介质，计算机可读存储介质中存储有一个或者多个计算机程序，计算机程序可被一个或者多个处理器执行，以实现上述的数据传输方法的步骤。
本公开实施例的有益效果是：
本公开实施例提供了一种数据传输方法、装置、基站、终端和可读存储介质，向终端发送寻呼消息，在寻呼消息中携带小区无线网络临时标识C-RNTI，然后基于C-RNTI，进行下行数据的传输。从而通过在寻呼消息中直接携带C-RNTI来指示下行数据的传输，相对于相关技术中先发送寻呼消息，再通过发起初始的随机接入流程来发送C-RNTI而言显著提升了效率，实现了下行数据的高效传输，也降低了终端功耗和无线资源的占用率。
本公开实施例其他特征和相应的有益效果在说明书的后面部分进行阐述说明，且应当理解，至少部分有益效果从本公开说明书中的记载变的显而易见。
附图说明
图1为本公开第一实施例提供的一种数据传输方法流程图；
图2为本公开各实施例涉及的寻呼发送示意图；
图3为本公开第二实施例提供的一种数据传输方法流程图；
图4为本公开第三实施例提供的一种数据传输方法信号流图；
图5为本公开第四实施例提供的一种数据传输方法信号流图；
图6为本公开第五实施例提供的一种数据传输方法信号流图；
图7为本公开第六实施例提供的一种数据传输方法信号流图；
图8为本公开第七实施例提供的一种数据传输方法信号流图；
图9为本公开第八实施例提供的一种数据传输方法信号流图；
图10为本公开第九实施例提供的一种TA(Timing Advance)的管理方法的信号流图；
图11为本公开第十实施例提供的一种TA(Timing Advance)的管理方法的信号流图；
图12为本公开第十一实施例提供的数据传输装置组成示意图；
图13为本公开第十二实施例提供的数据传输装置组成示意图；
图14为本公开第十三实施例提供的基站组成示意图；
图15为本公开第十四实施例提供的用户设备组成示意图。
具体实施方式
为了使本公开的目的、技术方案及优点更加清楚明白，下面通过各实施方式结合附图对本公开实施例作进一步详细说明。应当理解，此处所描述的实施例仅仅用以解释本公开，并不用于限定本公开。
第一实施例
请参考图1，图1是本公开第一实施例提供的数据传输方法流程图，包括：
S101、向终端发送寻呼消息，寻呼消息中携带C-RNTI(Cell Radio Network Temporary Identifier，小区无线网络临时标识)；
S102、基于C-RNTI，进行下行数据的传输。
C-RNTI，即小区无线网络临时标识，由基站分配给UE的一个动态标识，唯一标识了一个小区空口下的UE，基于这个标识可以实现基站和终端之间的信息交互。在基站要向终端发送下行数据时，会经过MME，MME是3GPP协议LTE接入网络的关键控制节点，它负责空闲模式的UE的定位，传呼过程，包括中继，简单的说MME是负责信令处理部分。MME通过S1接口向基站发送寻呼消息，其中，S1接口是LTE eNodeB(基站)与EPC(分组核心网)之间的通讯接口，将LTE***划分为无线接入网和核心网两个部分。本实施例中的向终端发送寻呼消息是由基站来执行的，是在MME通过S1接口向基站发送寻呼消息之后的过程。
在一些实施例中，在基于C-RNTI，进行下行数据的传输之前，还可以包括：向终端发送下行调度信息DL-grant。下行调度信息可以用于指示下行数据的发送情况，比如说，下行调度信息可以对应指示相应的物理下行共享信道(PDSCH)资源。相应的，基于C-RNTI，进行下行数据的传输则可以包括：在下行调度信息对应的物理下行共享信道资源上发送下行数据；或者，还可以包括，在下行调度信息对应的资源上发送MSG4消息；基于MSG4消息完成随机接入流程，并进行下行数据的传输。这两者之间的区别在于，向终端发送的下行调度信息除了可以指示下行数据的发送之外，还可以指示用于建立随机接入流程的MSG4消息的发送。其中，MSG4也就是消息4，是在PRACH(Physical Random Access Channel，物理随机接入信道)建立过程中的消息；通过下行调度信息来发送之后，完成了随机接入的建立流程，从而就可以将下行数据发送给终端。
在一些实施例中，在基站接收到MME通过S1接口发送的寻呼消息之后，基站还可 以判断UE是否可以适用本公开实施例中的增强的寻呼方法，也就是本公开实施例中的数据传输方法中所对应的基站发送的寻呼消息；如果可以，则可以通过本公开各实施例中的数据传输方法中的寻呼消息的发送方式进行传输。而如果不可以的话，则还是沿用传统的寻呼方法来进行。请参考图2，在下行数据达到MME后，MME可以向跟踪区内TA(Tracking Area)所有的基站通过S1口发送寻呼消息；TA内的基站在接收到S1口的寻呼后，基于基站的实现行为来判断终端是否驻留在其小区下；如果基站判断结果为可能驻留于小区下，则eNB执行增强的寻呼流程；否则，执行legacy(传统)寻呼，也就是传统寻呼流程。
在一些实施例中，向终端发送下行调度信息可以包括：在寻呼消息中，携带下行调度信息DL-grant。也就是，基站将通过寻呼消息携带分配的C-RNTI、DL-grant来寻呼UE。相应的，可以包括：一种方式，DL-grant配置资源用于下行数据的传输，基站在DL-grant对应的PDSCH资源上发送下行数据；而UE在接收到携带C-RNTI、DL-grant的寻呼消息后，利用C-RNTI在DL-grant对应的PDSCH资源上接收下行数据。或者，DL-grant配置资源用于PRACH建立过程中MSG4的发送，基站在DL-grant对应的资源上发送MSG4；UE在接收到携带C-RNTI、DL-grant的寻呼消息后，利用C-RNTI在DL-grant对应的资源上接收MSG4，进而完成随机接入流程，而后进行下行数据的传输。
在一些实施例中，向终端发送下行调度信息可以包括：通过物理下行控制信道发送下行调度信息。也就是，基站将通过寻呼消息携带分配的C-RNTI寻呼UE，而下行调度信息则通过其他途径发送。相应的，可以包括：一种方式，基站通过PDCCH发送用于下行数据传输的PDSCH的下行调度信息DL-grant；然后在DL-grant指示的PDSCH资源上发送下行数据。而UE在接收到携带C-RNTI的寻呼消息后，通过监听PDCCH中的DL-grant，然后在指示的PDSCH资源位置上接收下行数据。或者，基站通过PDCCH发送用于MSG4传输的下行调度信息DL-grant，然后发送MSG4；UE在接收到携带C-RNTI的寻呼消息后，通过监听PDCCH，然后在指示的资源位置上接收MSG4，从而完成随机接入流程，随后进行下行数据的接收。其中，MSG4是随机接入流程的第4条消息。
在一些实施例中，基于C-RNTI，进行下行数据的传输还可以包括：在寻呼消息中，直接携带下行数据。当下行数据DL data数据量小时，可以直接将该下行数据添加到寻呼消息中，然后发送给终端，从而可以进一步免去随机接入的建立流程。
在一些实施例中，还可以包括：在寻呼消息中，携带上行调度信息；接收终端根据上行调度信息配置的资源位置所发送的下行数据的反馈信息、上行数据、缓存状态报告BSR请求以及MSG3消息中的至少一种。其中，上行调度信息可以用于终端对下行数据进行反馈，或者是终端直接通过上行调度信息进行上行数据发送，或者是终端利用该上行调度信息来发送BSR(Buffer Status Report，缓存状态报告)请求，或者是终端利用该上行调度信息来发送MSG3消息，进而完成后续的随机接入流程。
在一些实施例中，还可以包括：在寻呼消息中，携带时间提前量(Timing Advance， 时间提前量，时间同步信息)信息；相应的，基于C-RNTI，进行下行数据的传输还可以包括：基于C-RNTI以及时间提前量信息，进行下行数据的传输。当基站和终端之间处于时间同步，也就是静止终端场景时，无需TA值，即可通过上述的数据传输方法来进行下行数据的传输。而如果基站和终端之间不同步时，则可以通过TA值来进行数据传输。其中，时间提前量信息例如可以为，当终端处于地理位置聚集的终端场景时，终端场景下任意终端对应的时间提前量信息。
对于地理位置聚集的终端场景，其中某个UE在完成完整的PRACH流程以后，基站将获得与该UE的时间同步信息TA的值，并保存该TA值，由于这些终端地址位置聚集一起，因此他们间的TA值可以看做相同。当基站接收到S1接口寻呼消息后，基站判断是否保存有相应的UE的TA值；如果存在，eNB将通过寻呼消息携带分配的C-RNTI、相应的DL-grant、TA来寻呼UE。例如可以包括：一种方式，DL-grant配置资源用于下行数据的传输，基站在DL-grant对应的PDSCH资源上发送下行数据；UE在接收到携带C-RNTI、DL-grant的寻呼消息后，利用C-RNTI在DL-grant对应的PDSCH资源上接收下行数据。一种方式，DL-grant配置资源用于PRACH过程中MSG4的发送，基站在DL-grant对应的资源上发送MSG4；UE在接收到携带C-RNTI、DL-grant的寻呼消息后，利用C-RNTI在DL-grant对应的资源上接收MSG4，进而完成随机接入流程，而后进行下行数据的接收。
在一个实施例中，基站还可以通过寻呼消息携带分配的C-RNTI、TA值来寻呼UE。例如可以包括：一种方式，基站通过PDCCH发送用于下行数据传输的PDSCH的下行调度信息DL-grant；然后在PDSCH资源上发送下行数据。UE在接收到携带C-RNTI的寻呼消息后，通过监听PDCCH，然后在指示的PDSCH资源位置上接收下行数据。一种方式，基站通过PDCCH发送用于MSG4传输的下行调度信息DL-grant；发送MSG4。UE在接收到携带C-RNTI的寻呼消息后，通过监听PDCCH，然后在指示的资源位置上接收MSG4，进而完成随机接入流程，而后进行下行数据的接收。
在一个实施例中，基站还可以通过寻呼消息携带分配的C-RNTI、相应的UL-grant(上行调度信息)、TA来寻呼UE。在一个实施例中，eNB可以将DL data在寻呼消息里一同携带下去。
UE在接收到携带分配的C-RNTI、相应的UL-grant、相应的DL data的寻呼消息后，在一个实施例中：一种方式，利用相应的C-RNTI在相应的UL-grant配置的资源位置上发送ACK/NACK(应答/否定应答)完成对下行数据接收的反馈；一种方式，如果此时有上行的小包业务，可以利用相应的UL-grant直接完成上行数据的发送；一种方式，如果此时有上行数据要发送，可以利用相应的UL-grant发送BSR请求；一种方式，UE利用UL-grant发送MSG3消息，进而完成后续的PRACH流程。
在一些实施例中，在寻呼消息中，携带时间提前量信息之前，还可以包括：确定时间提前量信息在各终端中的共享情况，也就是地理位置聚集的终端场景下TA的管理。示例 性的，确定时间提前量信息的共享情况可以包括：触发对终端的定位；获取终端的位置信息；根据各终端的位置信息，确定共享时间提前量信息的终端。其中，触发终端的定位的对象，可以是终端，也可以是网络侧的设备，如基站、MME等。在触发对终端的定位之后，网络侧就可以获取终端的位置信息，主要是通过MME来获取终端的位置信息，而后MME可以将UE的位置信息告知eNB，由eNB管理各个UE的位置信息，并确定可以共享TA值的一组UE。eNB接收到MME下发的寻呼消息后，由eNB决定在接下来的寻呼过程中哪些UE可以共享TA，即将TA值通过寻呼带给组内的用户。
或者，在MME获取UE的位置信息之后，由MME来管理UE的位置信息；当MME通过S1口向基站发送寻呼消息时，可以同时将UE的位置信息带给eNB，由eNB决定在接下来的寻呼过程中哪些UE可以共享TA，即将TA值通过寻呼带给组内的用户。
本实施例提供了一种数据传输方法，向终端发送寻呼消息，在寻呼消息中携带小区无线网络临时标识C-RNTI，然后基于C-RNTI，进行下行数据的传输。从而通过在寻呼消息中直接携带C-RNTI来指示下行数据的传输，相对于相关技术中先发送寻呼消息，再通过发起初始的随机接入流程来发送C-RNTI而言显著提升了效率，实现了下行数据的高效传输，也降低了终端功耗和无线资源的占用率。
第二实施例
请参考图3，图3为本公开第二实施例提供的一种数据传输方法流程图，包括：
S301、接收基站发送的寻呼消息，寻呼消息中携带小区无线网络临时标识C-RNTI；
S302、基于C-RNTI，接收基站发送的下行数据。
在一些实施例中，还可以包括：接收基站发送的下行调度信息；
基于C-RNTI，接收基站发送的下行数据包括：
在下行调度信息对应的物理下行共享信道资源上接收下行数据；
或，在下行调度信息对应的资源上接收MSG4消息；基于MSG-消息4完成随机接入流程，并进行下行数据的传输。
在一些实施例中，基于C-RNTI，进行下行数据的传输还可以包括：
在寻呼消息中，直接携带下行数据。
在一些实施例中，还可以包括：
在寻呼消息中，携带上行调度信息；
根据上行调度信息配置的资源位置，发送下行数据的反馈信息；或，
根据上行调度信息配置的资源位置，发送上行数据；或，
根据上行调度信息配置的资源位置，发送BSR请求；或，
根据上行调度信息配置的资源位置，发送MSG3消息，基于MSG3消息完成随机接入流程。
在一些实施例中，还可以包括：
在寻呼消息中，携带时间提前量信息；
基于C-RNTI，进行下行数据的传输还包括：
基于C-RNTI以及时间提前量信息，接收基站发送的下行数据。
在一些实施例中，时间提前量信息可以为，当终端处于地理位置聚集的终端场景时，终端场景下任意终端对应的时间提前量信息。
在一些实施例中，寻呼消息中，携带时间提前量信息之前，还可以包括：
确定时间提前量信息在各终端中的共享情况。
本实施例提供了一种数据传输方法，接收基站发送的寻呼消息，在寻呼消息中携带小区无线网络临时标识C-RNTI，然后基于C-RNTI，接收基站发送的下行数据。从而通过在寻呼消息中直接携带C-RNTI来指示下行数据的传输，相对于相关技术中先发送寻呼消息，再通过发起初始的随机接入流程来发送C-RNTI而言显著提升了效率，实现了下行数据的高效传输，也降低了终端功耗和无线资源的占用率。
第三实施例
请参考图4，图4为本公开第三实施例提供的一种数据传输方法信号流图。对于静止终端场景，寻呼消息可以携带C-RNTI、DL-grant，进而完成下行数据的传输过程。
S401、基站下发的下行数据到达MME；
S402、MME通过S1接口向基站发起寻呼消息；
S403、当基站接收到S1口寻呼消息后，基站判断该UE是否适用增强的寻呼方法。
S404、如果可以，eNB将通过寻呼消息携带分配的C-RNTI、DL-grant寻呼UE。
S405、一种方式，DL-grant配置资源用于下行数据的传输，基站在DL-grant对应的PDSCH资源上发送下行数据；
S406、UE在接收到携带C-RNTI、DL-grant的寻呼消息后，利用C-RNTI在DL-grant对应的PDSCH资源上接收下行数据。
S407、另一种方式，DL-grant配置资源用于PRACH过程中MSG4的发送，基站在DL-grant对应的资源上发送MSG4；UE在接收到携带C-RNTI、DL-grant的寻呼消息后，利用C-RNTI在DL-grant对应的资源上接收MSG4，进而完成随机接入流程，而后进行下行数据的接收。
第四实施例
请参考图5，图5为本公开第四实施例提供的一种数据传输方法信号流图。对于静止终端场景，寻呼消息可以携带C-RNTI、data、UL-grant，进而完成下行数据的传输过程。
S501、基站下发的下行数据到达MME；
S502、MME通过S1接口向基站发起寻呼消息；
S503、当基站接收到S1口寻呼消息后，基站判断该UE是否适用增强的寻呼方法。
S504、如果可以，eNB将通过寻呼消息携带分配的C-RNTI、UL-grant寻呼UE。在一个实施例中，eNB可以将DL data在寻呼消息里一同携带下去。
S505、UE在接收到携带C-RNTI、UL-grant、DL data的寻呼消息后，一种方式，利用C-RNTI在UL-grant配置的资源位置上发送ACK/NACK完成对下行数据接收的反馈；一种方式，如果此时有上行的小包业务，可以利用UL-grant直接完成上行数据的发送；一种方式，如果此时有上行数据要发送，可以利用UL-grant发送BSR请求；一种方式，UE利用UL-grant发送MSG3消息，进而完成后续的PRACH流程。
第五实施例
请参考图6，图6为本公开第五实施例提供的一种数据传输方法流程图。对于静止终端场景，寻呼消息可以携带C-RNTI，进而完成下行数据的传输过程。
S601、基站下发的下行数据到达MME；
S602、MME通过S1接口向基站发起寻呼消息；
S603、当基站接收到S1口寻呼消息后，基站判断该UE是否适用增强的寻呼方法。
S604、如果可以，eNB将通过寻呼消息携带分配的C-RNTI寻呼UE。
S605、一种方式，基站通过PDCCH发送用于下行数据传输的PDSCH的下行调度信息DL-grant。
S606、然后在PDSCH资源上发送下行数据。
S607、UE在接收到携带C-RNTI的寻呼消息后，通过监听PDCCH，然后在指示的PDSCH资源位置上接收下行数据。
S608、另一种方式，基站通过PDCCH发送用于MSG4传输的下行调度信息DL-grant；然后发送MSG4。UE在接收到携带C-RNTI的寻呼消息后，通过监听PDCCH，然后在指示的资源位置上接收MSG4，进而完成随机接入流程，而后进行下行数据的接收。
第六实施例
请参考图7，图7为本公开第六实施例提供的一种数据传输方法信号流图。对于地理位置聚集的终端场景，可以通过寻呼消息携带相应的C-RNTI、相应的DL-grant、TA(Timing Advance)，进而完成下行数据的传输。
S701、基站下发的下行数据到达MME；
S702、MME通过S1接口向基站发起寻呼消息；
S703、当基站接收到S1口寻呼消息后，基站判断该UE是否适用增强的寻呼方法。对于地理位置聚集的终端场景，其中某个UE在完成完整的PRACH流程以后，基站将获得与该UE的时间同步信息TA的值，并保存该TA值，由于这些终端地址位置聚集一起，因此他们间的TA值可看做相同。当基站接收到S1口寻呼消息后，基站判断是否保存有UE的TA值。
S704、如果UE适用，且基站保存有UE的TA值，eNB将通过寻呼消息携带分配的C-RNTI、相应的DL-grant、TA寻呼UE。
S705、一种方式，DL-grant配置资源用于下行数据的传输，基站在DL-grant对应的PDSCH资源上发送下行数据。
S706、UE在接收到携带C-RNTI、DL-grant的寻呼消息后，利用C-RNTI在DL-grant对应的PDSCH资源上接收下行数据。
S707、另一种方式，DL-grant配置资源用于PRACH过程中MSG4的发送，基站在DL-grant对应的资源上发送MSG4；UE在接收到携带C-RNTI、DL-grant的寻呼消息后，利用C-RNTI在DL-grant对应的资源上接收MSG4，进而完成随机接入流程，而后进行下行数据的接收。
第七实施例
请参考图8，图8为本公开第七实施例提供的一种数据传输方法信号流图。对于地理位置聚集的终端场景，可以通过寻呼消息携带相应的C-RNTI、TA(Timing Advance)，进而完成下行数据的传输
S801、基站下发的下行数据到达MME；
S802、MME通过S1接口向基站发起寻呼消息；
S803、当基站接收到S1口寻呼消息后，基站判断该UE是否适用增强的寻呼方法。对于地理位置聚集的终端场景，其中某个UE在完成完整的PRACH流程以后，基站将获得与该UE的时间同步信息TA的值，并保存该TA值，由于这些终端地址位置聚集一起，因此他们间的TA值可看做相同。当基站接收到S1口寻呼消息后，基站判断是否保存有UE的TA值。
S804、如果UE适用，且基站保存有UE的TA值，eNB将通过寻呼消息携带分配的C-RNTI、TA寻呼UE。
S805、一种方式，基站通过PDCCH发送用于下行数据传输的PDSCH的下行调度信息DL-grant；然后在PDSCH资源上发送下行数据。
S806、UE在接收到携带C-RNTI的寻呼消息后，通过监听PDCCH，然后在指示的PDSCH资源位置上接收下行数据。
S807、另一种方式，基站通过PDCCH发送用于MSG4传输的下行调度信息DL-grant；发送MSG4。UE在接收到携带C-RNTI的寻呼消息后，通过监听PDCCH，然后在指示的资源位置上接收MSG4，进而完成随机接入流程，而后进行下行数据的接收。
第八实施例
请参考图9，图9为本公开第八实施例提供的一种数据传输方法信号流图。对于地理位置聚集的终端场景，可以通过寻呼消息携带相应的C-RNTI、相应的UL-grant、TA(Timing  Advance)，进而完成下行数据的传输。
S901、基站下发的下行数据到达MME；
S902、MME通过S1接口向基站发起寻呼消息；
S903、当基站接收到S1口寻呼消息后，基站判断该UE是否适用增强的寻呼方法。对于地理位置聚集的终端场景，其中某个UE在完成完整的PRACH流程以后，基站将获得与该UE的时间同步信息TA的值，并保存该TA值，由于这些终端地址位置聚集一起，因此他们间的TA值可看做相同。当基站接收到S1口寻呼消息后，基站判断是否保存有UE的TA值。
S904、如果UE适用，且基站保存有UE的TA值，eNB将通过寻呼消息携带分配的C-RNTI、相应的UL-grant、TA寻呼UE。在一个实施例中，eNB将DL data在寻呼消息里一同携带下去。
S905、UE在接收到携带分配的C-RNTI、相应的UL-grant、相应的DL data的寻呼消息后，一种方式，利用相应的C-RNTI在相应的UL-grant配置的资源位置上发送ACK/NACK完成对下行数据接收的反馈；一种方式，如果此时有上行的小包业务，可以利用相应的UL-grant直接完成上行数据的发送；一种方式，如果此时有上行数据要发送，可以利用相应的UL-grant发送BSR请求；一种方式，UE利用UL-grant发送MSG3消息，进而完成后续的PRACH流程。
第九实施例
请参考图10，图10为本公开第九实施例提供的一种地理位置聚集的终端场景下TA(Timing Advance)的管理方法的信号流图。
S1001、网络侧触发定位或UE触发定位，MME获取UE的位置信息；
S1002、由MME管理UE的位置信息；
S1003、基站下发的下行数据到达MME；
S1004、MME通过S1接口向基站发起寻呼消息；当MME通过S1口发送寻呼消息时，同时将UE的位置信息带给eNB。
S1005、eNB决定在接下来的寻呼过程中哪些UE可以共享TA，即将TA值通过寻呼带给组内的用户。
S1006、由eNB根据获取的UE的位置信息决定是否发送携带TA的寻呼或者直接发送legacy寻呼消息。
第十实施例
请参考图11，图11为本公开第十实施例提供的一种地理位置聚集的终端场景下TA(Timing Advance)的管理方法的信号流图。
S1101、网络侧触发定位或UE触发定位，MME获取UE的位置信息；
S1102、MME将UE的位置信息告知eNB，由eNB管理各个UE的位置信息；
S1103、基站下发的下行数据到达MME；
S1104、MME通过S1接口向基站发起寻呼消息；
S1105、eNB决定在接下来的寻呼过程中哪些UE可以共享TA，即将TA值通过寻呼带组内的用户。
S1106、由eNB根据获取的UE的位置信息决定是否发送携带TA的寻呼或者直接发送legacy寻呼消息。
第十一实施例
请参考图12，图12为本实施例提供的一种数据传输装置组成示意图，包括：
寻呼发送模块121，用于在发送给终端的寻呼消息中，携带C-RNTI；
下行发送模块122，用于基于C-RNTI，进行下行数据的传输。
在一些实施例中，还可以包括：向终端发送下行调度信息DL-grant。
在一些实施例中，向终端发送下行调度信息可以包括：在寻呼消息中，携带下行调度信息DL-grant。也就是，基站将通过寻呼消息携带分配的C-RNTI、DL-grant来寻呼UE。
在一些实施例中，向终端发送下行调度信息可以包括：通过物理下行控制信道发送下行调度信息。
在一些实施例中，基于C-RNTI，进行下行数据的传输还可以包括：在寻呼消息中，直接携带下行数据。
在一些实施例中，还可以包括：在寻呼消息中，携带上行调度信息；接收终端根据上行调度信息配置的资源位置所发送的下行数据的反馈信息、上行数据、缓存状态报告BSR请求以及MSG3消息中的至少一种。
在一些实施例中，还可以包括：在寻呼消息中，携带时间提前量(Timing Advance，时间提前量，时间同步信息)信息；相应的，基于C-RNTI，进行下行数据的传输还可以包括：基于C-RNTI以及时间提前量信息，进行下行数据的传输。
在一些实施例中，在寻呼消息中，携带时间提前量信息之前，还可以包括：确定时间提前量信息在各终端中的共享情况，也就是地理位置聚集的终端场景下TA的管理。示例性的，确定时间提前量信息的共享情况可以包括：触发对终端的定位；获取终端的位置信息；根据各终端的位置信息，确定共享时间提前量信息的终端。
第十二实施例
请参考图13，图13为本实施例提供的一种数据传输装置组成示意图，包括：
寻呼接收模块131，用于接收基站发送的寻呼消息，寻呼消息中携带小区无线网络临时标识C-RNTI；
下行接收模块132，用于基于C-RNTI，接收基站发送的下行数据。
在一些实施例中，还可以包括：接收基站发送的下行调度信息；
基于C-RNTI，接收基站发送的下行数据包括：
在下行调度信息对应的物理下行共享信道资源上接收下行数据；
或，在下行调度信息对应的资源上接收MSG4消息；基于MSG-消息4完成随机接入流程，并进行下行数据的传输。
在一些实施例中，基于C-RNTI，进行下行数据的传输还可以包括：
在寻呼消息中，直接携带下行数据。
在一些实施例中，还可以包括：
在寻呼消息中，携带上行调度信息；
根据上行调度信息配置的资源位置，发送下行数据的反馈信息；或，
根据上行调度信息配置的资源位置，发送上行数据；或，
根据上行调度信息配置的资源位置，发送BSR请求；或，
根据上行调度信息配置的资源位置，发送MSG3消息，基于MSG3消息完成随机接入流程。
在一些实施例中，还可以包括：
在寻呼消息中，携带时间提前量信息；
基于C-RNTI，进行下行数据的传输还包括：
基于C-RNTI以及时间提前量信息，接收基站发送的下行数据。
在一些实施例中，时间提前量信息可以为，当终端处于地理位置聚集的终端场景时，终端场景下任意终端对应的时间提前量信息。
在一些实施例中，寻呼消息中，携带时间提前量信息之前，还可以包括：
确定时间提前量信息在各终端中的共享情况。
第十三实施例
请参考图14，图14为本实施例提供的一种基站组成示意图，包括第一处理器141、第一存储器142和第一通信总线143；
第一通信总线143用于实现第一处理器141和第一存储器142之间的连接通信；
第一处理器141用于执行第一存储器142中存储的计算机程序，以实现本公开各实施例中的数据传输方法，这里不再赘述。
第十四实施例
请参考图15，图15为本实施例提供的一种终端组成示意图，包括第二处理器151、第二存储器152和第二通信总线153；
第二通信总线153用于实现第二处理器151和第二存储器152之间的连接通信；
第二处理器151用于执行第二存储器152中存储的计算机程序，以实现本公开各实施 例中的数据传输方法，这里不再赘述。
第十五实施例
本实施例提供了一种计算机可读存储介质，该计算机可读存储介质中存储有一个或者多个计算机程序，计算机程序可被一个或者多个处理器执行，以实现前述各实施例中的数据传输方法，这里不再赘述。
显然，本领域的技术人员应该明白，上述本公开的各模块或各步骤可以用通用的计算装置来实现，它们可以集中在单个的计算装置上，或者分布在多个计算装置所组成的网络上，可选地，它们可以用计算装置可执行的程序代码来实现，从而，可以将它们存储在存储介质(ROM/RAM、磁碟、光盘)中由计算装置来执行，并且在某些情况下，可以以不同于此处的顺序执行所示出或描述的步骤，或者将它们分别制作成各个集成电路模块，或者将它们中的多个模块或步骤制作成单个集成电路模块来实现。所以，本公开不限制于任何特定的硬件和软件结合。
以上内容是结合具体的实施方式对本公开所作的进一步详细说明，不能认定本公开的具体实施只局限于这些说明。对于本公开所属技术领域的普通技术人员来说，在不脱离本公开构思的前提下，还可以做出若干简单推演或替换，都应当视为属于本公开的保护范围。

Claims (20)

  1. 一种数据传输方法，包括：
    向终端发送寻呼消息，所述寻呼消息中携带小区无线网络临时标识C-RNTI；
    基于所述C-RNTI，进行下行数据的传输。
  2. 如权利要求1所述的数据传输方法，其中，在所述基于所述C-RNTI，进行下行数据的传输之前，还包括：向所述终端发送下行调度信息；
    所述基于所述C-RNTI，进行下行数据的传输包括：
    在所述下行调度信息对应的物理下行共享信道资源上发送下行数据；
    或，在所述下行调度信息对应的物理下行共享信道资源上发送随机接入流程MSG4消息；基于所述MSG4消息完成随机接入流程，并进行下行数据的传输。
  3. 如权利要求2所述的数据传输方法，其中，向所述终端发送下行调度信息包括：在所述寻呼消息中，携带下行调度信息。
  4. 如权利要求2所述的数据传输方法，其中，向所述终端发送下行调度信息包括：通过物理下行控制信道发送下行调度信息。
  5. 如权利要求1所述的数据传输方法，其中，还包括：
    在所述寻呼消息中，携带上行调度信息；
    接收终端根据所述上行调度信息配置的资源位置所发送的下行数据的反馈信息、上行数据、缓存状态报告BSR请求以及MSG3消息中的至少一种。
  6. 如权利要求1-5任一项所述的数据传输方法，其中，还包括：
    在所述寻呼消息中，携带时间提前量信息；
    所述基于所述C-RNTI，进行下行数据的传输还包括：
    基于所述C-RNTI以及所述时间提前量信息，进行下行数据的传输。
  7. 如权利要求6所述的数据传输方法，其中，所述时间提前量信息为，当所述终端处于地理位置聚集的终端场景时，所述终端场景下任意终端对应的时间提前量信息。
  8. 如权利要求7所述的数据传输方法，其中，在所述寻呼消息中，携带时间提前量信息之前，还包括：
    确定所述时间提前量信息在各终端中的共享情况。
  9. 如权利要求8所述的数据传输方法，其中，所述确定时间提前量信息的共享情况包括：
    触发对终端的定位；
    获取终端的位置信息；
    根据各终端的位置信息，确定共享时间提前量信息的终端。
  10. 一种数据传输方法，包括：
    接收基站发送的寻呼消息，所述寻呼消息中携带小区无线网络临时标识C-RNTI；
    基于所述C-RNTI，接收基站发送的下行数据。
  11. 如权利要求10所述的数据传输方法，其中，还包括：接收基站发送的下行调度信息；
    所述基于所述C-RNTI，接收基站发送的下行数据包括：
    在所述下行调度信息对应的物理下行共享信道资源上接收下行数据；
    或，在所述下行调度信息对应的资源上接收MSG4消息；基于所述MSG-消息4完成随机接入流程，并进行下行数据的传输。
  12. 如权利要求10所述的数据传输方法，其中，还包括：
    在所述寻呼消息中，携带上行调度信息；
    根据所述上行调度信息配置的资源位置，发送下行数据的反馈信息；或，
    根据所述上行调度信息配置的资源位置，发送上行数据；或，
    根据所述上行调度信息配置的资源位置，发送缓存状态报告BSR请求；或，
    根据所述上行调度信息配置的资源位置，发送MSG3消息，基于所述MSG3消息完成随机接入流程。
  13. 如权利要求10-12任一项所述的数据传输方法，其中，还包括：
    在所述寻呼消息中，携带时间提前量信息；
    所述基于所述C-RNTI，进行下行数据的传输还包括：
    基于所述C-RNTI以及所述时间提前量信息，接收基站发送的下行数据。
  14. 如权利要求13所述的数据传输方法，其中，所述时间提前量信息为，当所述终端处于地理位置聚集的终端场景时，所述终端场景下任意终端对应的时间提前量信息。
  15. 如权利要求14所述的数据传输方法，其中，所述寻呼消息中，携带时间提前量信息之前，还包括：
    确定所述时间提前量信息在各终端中的共享情况。
  16. 一种数据传输装置，包括：
    寻呼发送模块，用于在发送给终端的寻呼消息中，携带C-RNTI；
    下行发送模块，用于基于所述C-RNTI，进行下行数据的传输。
  17. 一种数据传输装置，包括：
    寻呼接收模块，用于接收基站发送的寻呼消息，所述寻呼消息中携带小区无线网络临时标识C-RNTI；
    下行接收模块，用于基于所述C-RNTI，接收基站发送的下行数据。
  18. 一种基站，包括第一处理器、第一存储器和第一通信总线；
    所述第一通信总线用于实现所述第一处理器和第一存储器之间的连接通信；
    所述第一处理器用于执行所述第一存储器中存储的计算机程序，以实现如权利要求1-9任一项所述数据传输方法的步骤。
  19. 一种终端，包括第二处理器、第二存储器和第二通信总线；
    所述第二通信总线用于实现所述第二处理器和第二存储器之间的连接通信；
    所述第二处理器用于执行所述第二存储器中存储的计算机程序，以实现如权利要求10-15任一项所述数据传输方法的步骤。
  20. 一种计算机可读存储介质，所述计算机可读存储介质中存储有一个或者多个计算机程序，所述计算机程序可被一个或者多个处理器执行，以实现如权利要求1-9任一项所述数据传输方法的步骤，或如权利要求10-15任一项所述的数据传输方法的步骤。
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