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WO2017193945A1 - 一种上行数据传输的方法及设备 - Google Patents

一种上行数据传输的方法及设备 Download PDF

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Publication number
WO2017193945A1
WO2017193945A1 PCT/CN2017/083849 CN2017083849W WO2017193945A1 WO 2017193945 A1 WO2017193945 A1 WO 2017193945A1 CN 2017083849 W CN2017083849 W CN 2017083849W WO 2017193945 A1 WO2017193945 A1 WO 2017193945A1
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WO
WIPO (PCT)
Prior art keywords
terminal
uplink
feedback
connection state
access device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2017/083849
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English (en)
French (fr)
Inventor
谌丽
全海洋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Academy of Telecommunications Technology CATT
Original Assignee
China Academy of Telecommunications Technology CATT
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China Academy of Telecommunications Technology CATT filed Critical China Academy of Telecommunications Technology CATT
Priority to EP17795563.0A priority Critical patent/EP3445125B1/en
Priority to US16/300,535 priority patent/US10805946B2/en
Publication of WO2017193945A1 publication Critical patent/WO2017193945A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • H04W72/1268—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows of uplink data flows
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1812—Hybrid protocols; Hybrid automatic repeat request [HARQ]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling
    • 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
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA

Definitions

  • the present disclosure relates to the field of communications technologies, and in particular, to a method and an apparatus for uplink data transmission.
  • the terminal air interface transmission unique identifier C-RNTI can be directly used for data transmission and reception.
  • the terminal When other states have uplink data to be transmitted, the terminal must initiate connection establishment, enter the RRC connection state, and establish an RRC connection. Obtain a unique identifier of the terminal air interface for data transmission, that is, C-RNTI, in order to perform subsequent data transmission.
  • the embodiments of the present disclosure provide a method, an apparatus, and a device for uplink data transmission, which solve the problem that the uplink data technology cannot be quickly transmitted when the terminal is in the Inactive state in the prior art.
  • a method for uplink data transmission comprising:
  • the terminal When the terminal in the inactive connection state has the uplink data arrives, the terminal sends the uplink initial transmission of the terminal identifier carrying the inactive connection state of the terminal on the uplink contention resources available in the area;
  • the terminal receives a feedback confirmation message confirming the uplink initial transmission.
  • the area is at least an area where the terminal identifier of the terminal inactive connection state is valid
  • the uplink competing resources have one or more groups, where the uplink competing resource configuration content of each group includes one or more of the following:
  • the time-frequency domain resource location of the uplink competing resources is the time-frequency domain resource location of the uplink competing resources
  • the terminal capability level applicable to the uplink competitive resources is the terminal capability level applicable to the uplink competitive resources
  • the configuration method of the uplink contention resource is any one of the following:
  • the terminal Before the terminal enters the inactive connection state, it is configured by dedicated signaling in the connected state.
  • the content of the uplink initial transmission includes one or more of the following:
  • the content of the BSR is the amount of cached data to be sent by the current terminal, or an empty BSR.
  • the feedback confirmation message carries: a terminal identifier of an inactive connection state and/or a terminal air interface transmits a unique identifier; if the terminal does not need to enter a connection state, the feedback The acknowledgment message carries the terminal identifier of the inactive connection state.
  • the method further includes:
  • the method further includes:
  • the terminal clears the buffered data packet
  • the terminal If the terminal does not correctly receive the feedback confirmation message of the access device, the terminal continues to send the buffered data packet on the subsequent uplink contention resources.
  • the method further includes: when the terminal attempts to send the buffered data packet on the uplink contention resource to reach a specified maximum number of attempts, the terminal stops attempting to send the cached number. According to the package, and notify the terminal that the high-level data transmission failed.
  • the method further includes:
  • the terminal When the feedback acknowledgement message carries the terminal identifier of the inactive connection state, the terminal sends an ACK feedback to the feedback acknowledgement message of the access device.
  • the location of the HARQ feedback resource associated with the ACK feedback corresponds to the location of the feedback acknowledgement message resource sent by the access device, and the ACK sequence related to the ACK feedback and the resource and/or terminal of the access device feedback acknowledgement message.
  • the terminal When the feedback acknowledgement message carries the terminal air interface transmission unique identifier, the terminal sends an uplink transmission according to the subsequent uplink scheduling, where the subsequent uplink scheduling refers to that the access device transmits the unique identifier by using the terminal air interface.
  • the uplink scheduling performed by the terminal.
  • the method further includes:
  • the terminal does not trigger the terminal to enter a connected state, and if the service of the uplink data is a continuous service, triggering the terminal to enter a connected state;
  • the terminal determines the amount of data of the uplink data that needs to be sent,
  • the terminal does not trigger the terminal to enter the connected state. If the data volume of the uplink data is greater than the preset threshold, the terminal is triggered to enter the connected state.
  • a method for uplink data transmission is further provided, where the method includes:
  • the access device receives the uplink initial transmission of the terminal identifier carrying the inactive connection state of the terminal, where the uplink initial transmission is an uplink that is available in the area when the terminal in the inactive connection state has uplink data arrives. Sent on the competition resources;
  • the access device sends a feedback confirmation message confirming the uplink initial transmission.
  • the area is at least an area where the terminal identifier of the terminal inactive connection state is valid
  • the uplink competing resources have one or more groups, where the uplink competing resource configuration content of each group includes one or more of the following:
  • the time-frequency domain resource location of the uplink competing resources is the time-frequency domain resource location of the uplink competing resources
  • the terminal capability level applicable to the uplink competitive resources is the terminal capability level applicable to the uplink competitive resources
  • the configuration method of the uplink contention resource is any one of the following:
  • the terminal Before the terminal enters the inactive connection state, it is configured by the access device dedicated signaling in the connected state.
  • the content of the uplink initial transmission includes one or more of the following:
  • the content of the BSR is the amount of cached data to be sent by the current terminal, or an empty BSR.
  • the feedback confirmation message carries: a terminal identifier of an inactive connection state and/or a terminal air interface transmits a unique identifier; if the terminal does not need to enter a connection state, the feedback The acknowledgment message carries the terminal identifier of the inactive connection state.
  • the method further includes:
  • the access device When the feedback acknowledgement message carries the terminal identifier of the inactive connection state, the access device receives the ACK feedback sent by the terminal for the feedback acknowledgement message;
  • the location of the HARQ feedback resource associated with the ACK feedback corresponds to the location of the feedback acknowledgement message resource sent by the access device, and the ACK sequence related to the ACK feedback and the resource and/or terminal of the access device feedback acknowledgement message.
  • the access device uses the terminal air interface to transmit the unique identifier to schedule the uplink transmission for the terminal.
  • the method further includes:
  • the access device determines whether the terminal needs to enter a connection state
  • the uplink initial transmission received by the access device includes an identifier that the terminal needs to enter a connected state, and the identifier indicates that the terminal needs to enter a connected state, determining that the terminal needs to enter a connected state;
  • the BSR displays the amount of buffered data to be sent by the current terminal, and when the amount of the buffered data is not empty, it is determined that the terminal needs to enter a connected state.
  • a terminal is further provided, where the terminal includes:
  • a sending module configured to: when the terminal in the inactive connection state has an uplink data arrival, send an uplink initial transmission that carries the terminal identifier of the inactive connection state of the terminal on the uplink contention resource that is available in the area;
  • a receiving module configured to receive a feedback confirmation message confirming the uplink initial transmission.
  • the area is at least an area where the terminal identifier of the terminal inactive connection state is valid
  • the uplink competing resources have one or more groups, where the uplink competing resource configuration content of each group includes one or more of the following:
  • the time-frequency domain resource location of the uplink competing resources is the time-frequency domain resource location of the uplink competing resources
  • the terminal capability level applicable to the uplink competitive resources is the terminal capability level applicable to the uplink competitive resources
  • the configuration method of the uplink contention resource is any one of the following:
  • the terminal Before the terminal enters the inactive connection state, it is configured by dedicated signaling in the connected state.
  • the content of the uplink initial transmission includes one or more of the following:
  • the content of the BSR is the amount of cached data to be sent by the current terminal, or an empty BSR.
  • the feedback confirmation message carries: a terminal identifier of an inactive connection state and/or a terminal air interface transmits a unique identifier; if the terminal does not need to enter a connection state, the feedback The acknowledgment message carries the terminal identifier of the inactive connection state.
  • the terminal further includes:
  • a cache module configured to cache, after the terminal sends an uplink initial transmission, a data packet that has been sent on the uplink initial transmission;
  • the sending module is further configured to continue to send the buffered data packet on the subsequent uplink contention resource if the terminal does not correctly receive the feedback acknowledgement message of the access device.
  • the terminal further includes: a notification module, configured to stop attempting to send the buffered data packet when the terminal attempts to send the buffered data packet on the uplink contention resource to reach a specified maximum number of attempts but is still unsuccessful, and Notify the terminal that the high-level data transmission failed.
  • a notification module configured to stop attempting to send the buffered data packet when the terminal attempts to send the buffered data packet on the uplink contention resource to reach a specified maximum number of attempts but is still unsuccessful, and Notify the terminal that the high-level data transmission failed.
  • the terminal further includes a feedback module, configured to send an ACK feedback to the feedback acknowledgement message of the access device when the feedback acknowledgement message carries the terminal identifier of the inactive connection state;
  • the location of the HARQ feedback resource associated with the ACK feedback corresponds to the location of the feedback acknowledgement message resource sent by the access device, and the ACK sequence related to the ACK feedback and the resource and/or terminal of the access device feedback acknowledgement message.
  • the sending module is further configured to: when the feedback acknowledgement message carries a terminal air interface to transmit a unique identifier, the terminal sends an uplink transmission according to a subsequent uplink scheduling, where the subsequent uplink scheduling refers to an access device
  • the terminal air interface transmission uniquely identifies the uplink scheduling performed by the terminal.
  • the terminal further includes:
  • a determining module configured to determine a service type of the uplink data
  • the terminal does not trigger the terminal to enter a connected state, and if the service of the uplink data is a continuous service, triggering the terminal to enter a connected state;
  • a judging module configured to determine the amount of data of the uplink data to be sent
  • the terminal If the data volume of the uplink data is less than a preset threshold, the terminal does not trigger the connection state to enter, If the data volume of the uplink data is greater than a preset threshold, the terminal is triggered to enter a connected state.
  • an access device including:
  • a receiving module configured to receive an uplink initial transmission of a terminal identifier carrying an inactive connection state of the terminal, where the uplink initial transmission is available when the terminal in the inactive connection state has uplink data, and the terminal is available in the area Sent on the uplink competition resources;
  • a sending module configured to send a feedback confirmation message confirming the uplink initial transmission.
  • the area is at least an area where the terminal identifier of the terminal is inactive connection state;
  • the uplink contention resource has one or more groups, where the uplink contention resource configuration content of each group includes the following one or Multiple:
  • the time-frequency domain resource location of the uplink competing resources is the time-frequency domain resource location of the uplink competing resources
  • the terminal capability level applicable to the uplink competitive resources is the terminal capability level applicable to the uplink competitive resources
  • the configuration method of the uplink contention resource is any one of the following:
  • the terminal Before the terminal enters the inactive connection state, it is configured by the access device dedicated signaling in the connected state.
  • the content of the uplink initial transmission includes one or more of the following:
  • the content of the BSR is the amount of cached data to be sent by the current terminal, or an empty BSR.
  • the feedback confirmation message carries: a terminal identifier of an inactive connection state and/or a terminal air interface transmits a unique identifier; if the terminal does not need to enter a connection state, the feedback The acknowledgment message carries the terminal identifier of the inactive connection state.
  • the receiving module is further configured to: when the feedback confirmation message carries a terminal with an inactive connection state Receiving, receiving an ACK feedback sent by the terminal for the feedback confirmation message;
  • the location of the HARQ feedback resource associated with the ACK feedback corresponds to the location of the feedback acknowledgement message resource sent by the access device, and the ACK sequence related to the ACK feedback and the resource and/or terminal of the access device feedback acknowledgement message.
  • the access device further includes: a scheduling module, configured to: when the feedback acknowledgement message carries the terminal air interface to transmit the unique identifier, use the terminal air interface to transmit the unique identifier to schedule the uplink transmission for the terminal.
  • a scheduling module configured to: when the feedback acknowledgement message carries the terminal air interface to transmit the unique identifier, use the terminal air interface to transmit the unique identifier to schedule the uplink transmission for the terminal.
  • the access device further includes:
  • a judging module configured to determine whether the terminal needs to enter a connected state
  • the uplink initial transmission received by the receiving module includes the identifier that the terminal wants to enter the connected state, and the identifier indicates that the terminal needs to enter the connected state, it is determined that the terminal needs to enter the connected state;
  • the BSR displays the amount of buffered data to be sent by the current terminal, and when the amount of the buffered data is not empty, it is determined that the terminal needs to enter the connected state.
  • a terminal comprising: a processor, a memory, and a transceiver, wherein
  • the memory is configured to store data used by the processor when performing an operation
  • the processor is configured to control a transceiver to send and receive data
  • the transceiver under the control of the processor, is configured to send an inactive connection state carrying the terminal on an uplink contention resource available in the area when the terminal in the inactive connection state has uplink data arrives.
  • an access device including: a processor, a memory, and a transceiver, wherein
  • the memory is configured to store data used by the processor when performing an operation
  • the processor is configured to control a transceiver to receive and send data
  • the transceiver is configured to receive, by the processor, an uplink initial transmission that carries a terminal identifier of an inactive connection state of the terminal, where the uplink initial transmission is when the terminal in the inactive connection state has uplink data.
  • an uplink initial transmission that carries a terminal identifier of an inactive connection state of the terminal, where the uplink initial transmission is when the terminal in the inactive connection state has uplink data.
  • One of the foregoing technical solutions has the following advantages or advantages: when a terminal in an inactive connection state has uplink data arriving, the terminal sends an inactive connection carrying the terminal on an uplink contention resource available in the area. Uplink initial transmission of the terminal identifier; the terminal receives a feedback acknowledgement message confirming the uplink initial transmission, and provides an implementation manner of rapidly performing uplink data transmission in the Inactive state of the terminal, and further, the terminal in the Inactive state
  • the small data packet can be sent to the access device to avoid the signaling overhead caused by the transition of the terminal state, and the terminal can flexibly determine whether the terminal needs state transition, thereby further reducing unnecessary signaling overhead.
  • FIG. 1 is a network deployment structure diagram of an exemplary application scenario according to an embodiment of the present disclosure
  • FIG. 2 is a network deployment structure diagram of still another exemplary application scenario according to an embodiment of the present disclosure.
  • FIG. 3 is a schematic diagram of a method for uplink data transmission in an embodiment of the present disclosure
  • FIG. 4 is a schematic flowchart of an access device sending a feedback acknowledgement message according to an embodiment of the present disclosure
  • FIG. 5 is a schematic diagram of a method for uplink data transmission according to an embodiment of the present disclosure
  • FIG. 6 is a schematic diagram of an access device according to an embodiment of the present disclosure.
  • FIG. 7 is a schematic diagram of a terminal in an embodiment of the present disclosure.
  • FIG. 8 is a schematic diagram of an access device according to an embodiment of the present disclosure.
  • FIG. 9 is a schematic diagram of a terminal in an embodiment of the present disclosure.
  • embodiments of the present disclosure may be implemented as a system, apparatus, device, method, or computer program product.
  • embodiments of the present disclosure may be embodied in the form of full hardware, full software (including firmware, resident software, microcode, etc.), or hardware and soft The form of the combination.
  • a method and apparatus for uplink data transmission are proposed.
  • the embodiments of the present disclosure can be applied to different network deployment structures.
  • two network deployment structures that may be adopted for mobile communication are first introduced.
  • terminal types and service types are diversified, and terminals save power, save network resources, and meet the needs of various service types.
  • a terminal state-inactive state inactive connection state
  • the terminal maintains the core network connection, but does not perform the normal operation of the air interface connection state (such as switching).
  • uplink timing update, radio link monitoring, etc. does not allocate terminal identifiers (such as C-RNTI) that are directly used for air interface transmission, and therefore cannot directly perform air interface scheduling transmission.
  • the terminal air interface transmission unique identifier C-RNTI can be directly used for data transmission and reception.
  • the terminal When other states have uplink data to be transmitted, the terminal must initiate connection establishment, enter the RRC connection state, and establish an RRC connection. Obtain a unique identifier of the terminal air interface for data transmission, that is, C-RNTI, in order to perform subsequent data transmission. This process is not conducive to the fast transmission when the uplink data arrives, and if only the small data packet needs to be sent, such as the typical MTC (Machine Type Communication) service, the terminal enters the connection state and sends a small data packet to save power. To enter the idle or Inactive state, this state transition will cause signaling overhead. If the number of terminals is large (such as mMTC, massive MTC scenario), this signaling overhead is unacceptable.
  • the basic design idea of the present disclosure is: when a terminal that is not connected to a single cell has an uplink data arrival, the uplink initial transmission carrying the terminal Inactive UE ID is sent on the uplink contention resources available in the area, and the base station sends feedback. Confirm the message of the terminal's uplink transmission.
  • the above-mentioned failure to establish a connection with a single cell mainly refers to a newly introduced terminal state-inactive connection state (Inactive state), in which the following behavior is allowed:
  • the mobility is performed by the UE, and is performed by cell reselection in an area preconfigured on the network side, instead of the handover process;
  • the terminal is assigned a unique user identifier in an area preconfigured on the network side, and the pre-configured area includes a plurality of cells in one or more base stations, which brings mobility freedom to the terminal while simplifying mobility.
  • the network side allocates a valid RAN identifier in a certain area for the terminal, and the identifier is used to identify the terminal in the inactive state, and can be used for the network side to find the terminal or the terminal actively initiates the uplink access, and uses the identifier as the identity to enter.
  • Connection state It may be called an Inactive UE ID, and may also be called a resume UE ID.
  • the identifier is different from the globally unique IMSI or the connected terminal identifier C-RNTI, and the identifier length is between the two (for example, the length of the Inactive UE ID is 40 bits, and the length of the C-RNTI is 16 bits), and only the multiple cells or The eNB is valid in a certain area, and if it exceeds the area, the terminal needs to update the Inactive UE ID.
  • the network deployment structure is a typical LTE architecture, and includes: a base station (eNB) and a terminal (UE).
  • the eNB has multiple cells (cells).
  • the terminal UE and the cell perform air interface data transmission and reception, and the connected UE allocates a cell.
  • the unique UE identifies the C-RNTI.
  • the network side node is divided into a central unit (CU, Central Unit) and a distributed unit (DU). , Distributed Unit), the user side node is the terminal.
  • CU central unit
  • DU distributed unit
  • the user side node is the terminal.
  • FIG. 2 is an architecture that may be adopted by the mobile communication 5G in the future.
  • the network side node includes a central unit and a distributed unit, and one central unit controls a plurality of distributed units deployed in a certain area, and the distributed units specifically pass the transmission point TRP ( Transmission Reception Point) performs air interface transmission with the terminal.
  • TRP Transmission Reception Point
  • One or more transmission points can simultaneously serve the terminal for data transmission.
  • the data is scheduled and transmitted through the unique identifier of the terminal air interface allocated by the network side for the terminal.
  • the identifier may be C-RNTI or TRP-RNTI.
  • the embodiments of the present disclosure are applicable to the above two RAN (Radio Access Network) architectures.
  • the following is a unified description, and the unique identifier of the terminal used for the terminal connection state transmission is called the terminal air interface transmission unique identifier, and the identifier is C-RNTI in the traditional LTE.
  • a terminal in the inactive state is uniquely identified in the area as an Inactive UE ID.
  • the network side wireless signaling and data transceiving node is collectively referred to as an access device, whether it is the eNB in FIG. 1 or the CU/DU in FIG. 2 (the specific sending and receiving point is TRP).
  • FIG. 3 is a flow chart diagrammatically showing an embodiment of a method of uplink data transmission in accordance with an embodiment of the invention, the method of which is the terminal.
  • step S310 when the terminal in the inactive connection state has the uplink data, the terminal sends the uplink initial transmission of the terminal identifier of the inactive connection state of the terminal in the uplink contention resource available in the area;
  • the above uplink contention resources available in the area are: all access devices in an area are reserved as resources for uplink contention transmission.
  • the area is at least an area where the terminal identifier (such as an Inactive UE ID) of the terminal is actively connected, or a larger area.
  • the foregoing uplink contention resources may be available to all terminals, or may be available for a specific type of terminal, or a specific capability terminal, or a terminal transmitting a specific service, and are not limited thereto.
  • the foregoing uplink contention resources have one or more groups, wherein the uplink contention resource configuration content of each group includes one or more of the following: a time-frequency domain resource location of an uplink contention resource; an uplink contention resource scheduling and data transmission use a scrambling sequence code; a terminal type to which an uplink contention resource applies; a terminal capability level to which an uplink contention resource applies; and a service type to which an uplink contention resource applies;
  • the configuration mode of the uplink contention resource is any one of the following: configured by a system message broadcast; pre-configured by the terminal; and configured by dedicated signaling before the terminal enters the inactive connection state.
  • the content of the uplink initial transmission includes one or more of the following: a terminal identifier of an inactive connection state; an identifier of the terminal to enter a connection state; a small data packet sent by the terminal to the access device; and a BSR (buffer status report)
  • the BSR content is the amount of cached data to be sent by the current terminal, or an empty BSR.
  • Step S320 The terminal receives a feedback confirmation message confirming the initial transmission of the uplink.
  • the feedback confirmation message carries: a terminal identifier in an inactive connection state and/or a terminal air interface transmission unique identifier;
  • the feedback confirmation message carries the terminal identifier of the inactive connection state.
  • the method further includes: the terminal buffering a data packet that has been sent on the uplink initial transmission;
  • step S320 it is confirmed at the terminal that the feedback of the uplink initial transmission is confirmed.
  • the method further includes:
  • the terminal clears the buffered data packet
  • the terminal If the terminal does not correctly receive the feedback confirmation message of the access device, the terminal continues to send the buffered data packet on the subsequent uplink contention resources.
  • the method further includes:
  • the terminal When the terminal attempts to send the buffered data packet on the uplink contention resource to reach the specified maximum number of attempts, the terminal stops trying to send the buffered data packet, and notifies the terminal that the high-level data transmission fails.
  • the method further includes:
  • the terminal When the feedback acknowledgement message carries the terminal identifier of the inactive connection state, the terminal sends an ACK feedback to the feedback acknowledgement message of the access device, as shown in FIG. 4;
  • the location of the HARQ feedback resource associated with the ACK feedback corresponds to the location of the feedback acknowledgement message resource sent by the access device, and the ACK sequence related to the ACK feedback and the resource and/or terminal of the access device feedback acknowledgement message.
  • the terminal When the feedback acknowledgement message carries the terminal air interface transmission unique identifier, the terminal sends an uplink transmission according to the subsequent uplink scheduling, where the subsequent uplink scheduling refers to that the access device transmits the unique identifier by using the terminal air interface.
  • the uplink scheduling performed by the terminal.
  • the method further includes:
  • the terminal does not trigger the terminal to enter a connected state, and if the service of the uplink data is a continuous service, triggering the terminal to enter a connected state;
  • the terminal determines the amount of data of the uplink data that needs to be sent,
  • the terminal does not trigger the terminal to enter the connected state. If the data volume of the uplink data is greater than the preset threshold, the terminal is triggered to enter the connected state.
  • the terminal when the terminal in the inactive connection state has the uplink data arrives, the terminal sends the terminal label carrying the inactive connection state of the terminal on the uplink contention resources available in the area.
  • the uplink initial transmission is received; the terminal receives the feedback acknowledgement message confirming the uplink initial transmission, and provides an implementation manner of rapidly performing uplink data transmission in the Inactive state of the terminal, and further, the terminal in the Inactive state may be small.
  • the data packet is sent to the access device to avoid the signaling overhead caused by the transition of the terminal state, and the terminal can flexibly determine whether the terminal needs state transition, thereby further reducing unnecessary signaling overhead.
  • FIG. 5 schematically illustrates a flow diagram of an embodiment of a method of uplink data transmission in accordance with an embodiment of the invention, the method of which is an access device.
  • Step S510 The access device receives an uplink initial transmission that carries the terminal identifier of the inactive connection state of the terminal, where the uplink initial transmission is when the terminal in the inactive connection state has uplink data, and the terminal is in the area. Sent on the available upstream contention resources;
  • the above uplink contention resources available in the area are: all access devices in an area are reserved as resources for uplink contention transmission.
  • the area is at least an area where the terminal identifier (such as an Inactive UE ID) of the terminal is actively connected, or a larger area.
  • the foregoing uplink contention resources may be available to all terminals, or may be available for a specific type of terminal, or a specific capability terminal, or a terminal transmitting a specific service, and are not limited thereto.
  • the foregoing uplink contention resources have one or more groups, wherein the uplink contention resource configuration content of each group includes one or more of the following: a time-frequency domain resource location of an uplink contention resource; an uplink contention resource scheduling and data transmission use a scrambling sequence code; a terminal type to which an uplink contention resource applies; a terminal capability level to which an uplink contention resource applies; and a service type to which an uplink contention resource applies;
  • the configuration mode of the uplink contention resource is any one of the following: configured by a system message broadcast; pre-configured by the terminal; and configured by dedicated signaling before the terminal enters the inactive connection state.
  • the content of the uplink initial transmission includes one or more of the following: a terminal identifier of an inactive connection state; an identifier of the terminal to enter a connection state; a small data packet sent by the terminal to the access device; and a BSR (buffer status report) ), wherein the BSR content is the amount of cached data to be sent by the current terminal, or Empty BSR.
  • Step S520 The access device sends a feedback confirmation message confirming the uplink initial transmission.
  • the feedback confirmation message carries: a terminal identifier in an inactive connection state and/or a terminal air interface transmission unique identifier;
  • the feedback confirmation message carries the terminal identifier of the inactive connection state.
  • the method further includes:
  • the access device When the feedback acknowledgement message carries the terminal identifier of the inactive connection state, the access device receives the ACK feedback sent by the terminal for the feedback acknowledgement message;
  • the location of the HARQ feedback resource associated with the ACK feedback corresponds to the location of the feedback acknowledgement message resource sent by the access device, and the ACK sequence related to the ACK feedback and the resource and/or terminal of the access device feedback acknowledgement message.
  • the access device uses the terminal air interface to transmit the unique identifier to schedule the uplink transmission for the terminal.
  • the method further includes:
  • the access device determines whether the terminal needs to enter a connected state
  • the uplink initial transmission received by the access device includes an identifier that the terminal needs to enter a connected state, and the identifier indicates that the terminal needs to enter a connected state, determining that the terminal needs to enter a connected state;
  • the BSR displays the amount of buffered data to be sent by the current terminal, and when the amount of the buffered data is not empty, it is determined that the terminal needs to enter a connected state.
  • the terminal when the terminal in the inactive connection state has the uplink data, the terminal sends the uplink initial transmission of the terminal identifier carrying the inactive connection state of the terminal on the uplink contention resources available in the area; Receiving, by the terminal, a feedback acknowledgement message confirming the uplink initial transmission, providing an implementation manner of rapidly performing uplink data transmission when the terminal is in an Inactive state, and further, the terminal in the Inactive state may send the small data packet to the access
  • the device avoids the signaling overhead caused by the transition of the terminal state, and can also flexibly determine whether the terminal needs state transition, further reducing unnecessary signaling overhead.
  • the applicable scenario is: the terminal sends a single small data packet, and the specific step The steps are as follows:
  • Step 1 The terminal sends an uplink initial transmission in the uplink competing resources available in the area, where the initial transmission includes:
  • End identifier of the inactive connection state used to identify the identity of the terminal, for example: Inactive UE ID
  • the domain is optional.
  • One design is that if the terminal sends a BSR (buffer status report), it needs to enter the connection state; if the complete small data packet is sent without the BSR or An empty BSR report does not need to enter the connected state.
  • the Ci indicates that the terminal does not need to enter the connected state, or the uplink transmission does not report the BSR or the null BSR;
  • Step 2 The access device sends a feedback acknowledgement message, where the feedback acknowledgement message carries the terminal identifier of the inactive connection state of the terminal, such as an Inactive UE ID.
  • Step 3 The terminal sends an ACK feedback for the base station feedback confirmation message.
  • the location of the HARQ feedback resource is corresponding to the location of the feedback acknowledgement message resource sent by the base station, and the ACK sequence may be associated with the resource that the base station sends the feedback acknowledgement message and/or the terminal identifier of the inactive connection state.
  • step three is an optional step.
  • the data packet that has been sent on the transmission is buffered.
  • the cache may be cleared
  • the terminal does not correctly receive the base station feedback acknowledgement message, continue to send the data packet on the subsequent uplink contention resources, and repeat steps one to three. It can be further defined that if the transmission of the terminal on the uplink contention resource reaches the specified maximum number of attempts, the operation is stopped and the upper layer is notified, and the link is considered untrusted and cannot be correctly transmitted.
  • the applicable scenario is that the terminal needs to enter a connected state (indicated by Ci), and the specific steps are as follows:
  • Step 1 The terminal sends an uplink initial transmission in the uplink competing resources available in the area, where the initial transmission includes:
  • the terminal identifier of the inactive connection state which is used to identify the identity of the terminal, for example, an Inactive UE ID;
  • the identifier may indicate that the terminal needs to enter the connection state
  • the data packet and/or BSR reported to the access device is reported.
  • Step 2 The access device sends a feedback confirmation message, and the feedback confirmation message carries:
  • the terminal identifier of the inactive connection state (for example, Inactive UE ID) is used to confirm the feedback to the terminal and resolve the competition.
  • the terminal air interface transmits a unique identifier, and the identifier is used for data transmission and transmission after the terminal enters the connected state. After receiving the feedback confirmation message of the access device that carries the unique identifier of the air interface of the terminal, the terminal transmits the unique identifier of the terminal air interface allocated by the access device. Enter the connected state.
  • Step 3 The terminal sends an ACK feedback to the access device feedback acknowledgement message.
  • the location of the HARQ feedback resource is corresponding to the location of the feedback acknowledgement message resource sent by the access device, and the ACK sequence may be associated with the resource that the access device sends the feedback acknowledgement message and/or the terminal air interface transmission unique identifier.
  • the access device uses the terminal to transmit the unique identifier to the terminal to schedule the uplink transmission. If the terminal sends the uplink transmission according to the subsequent uplink scheduling, it is considered that the terminal confirmation process is completed at the same time.
  • step three is an optional step.
  • the data packet that has been sent on the transmission is buffered.
  • the cache may be cleared
  • the terminal does not correctly receive the base station feedback confirmation message, continue to send the data packet on the subsequent uplink contention resources, and repeat steps 1 to 3. It can be further defined that if the transmission of the terminal on the uplink contention resource reaches the specified maximum number of attempts, the operation is stopped and the upper layer is notified, and the link is considered untrusted and cannot be correctly transmitted.
  • the applicable scenario is that the terminal needs to enter a connected state (indicated by a BSR), and the specific steps are as follows:
  • Step 1 The terminal sends an uplink initial transmission in the uplink competing resources available in the area, where the initial transmission includes:
  • the terminal identifier of the inactive connection state which is used to identify the identity of the terminal, for example, an Inactive UE ID;
  • Step 2 The access device sends a feedback confirmation message, and the feedback confirmation message carries:
  • the terminal identifier of the inactive connection state (for example, the Inactive UE ID) is used to confirm the feedback to the terminal and resolve the competition.
  • the terminal air interface transmits a unique identifier, and the identifier is used for data scheduling transmission after the terminal enters the connected state.
  • the terminal After receiving the feedback confirmation message from the access device that carries the unique identifier of the air interface, the terminal transmits the unique identifier of the terminal air interface allocated by the access device and enters the connected state.
  • Step 3 The terminal sends an ACK feedback for the base station feedback confirmation message.
  • the location of the HARQ feedback resource is corresponding to the location of the feedback acknowledgement message resource sent by the base station, and the ACK sequence may be associated with the resource that the base station sends the feedback acknowledgement message and/or the terminal air interface transmission unique identifier.
  • the access device uses the terminal to transmit the unique identifier to the terminal to schedule the uplink transmission, and if the terminal sends the uplink transmission according to the subsequent uplink scheduling, it is considered that the terminal confirmation process is completed at the same time.
  • step three is an optional step.
  • the data packet that has been sent on the transmission is buffered.
  • the cache may be cleared
  • the terminal does not correctly receive the access device feedback confirmation message, continue to send the data packet on the subsequent uplink contention resources, and repeat steps 1 to 3. It can be further defined that if the transmission of the terminal on the uplink contention resource reaches the specified maximum number of attempts, the operation is stopped and the upper layer is notified, and the link is considered untrusted and cannot be correctly transmitted.
  • the method may further include: configuring an uplink contention resource, as follows:
  • the uplink contention resource used by the terminal to send the uplink initial transmission is valid in the area, and the area is at least an area where the terminal Inactive UE ID is valid, or may be a larger area.
  • the uplink competing resources may have one or more groups, and the configuration content may include one or more of the following:
  • Time-frequency domain resource location of uplink competitive resources (required);
  • the terminal capability level applicable to the uplink competitive resources is the terminal capability level applicable to the uplink competitive resources
  • the uplink competition resource configuration mode can be any of the following:
  • the base station dedicated signaling configuration Before the terminal enters the Inactive state, in the connected state, the base station dedicated signaling configuration.
  • the terminal determines whether the terminal wants to enter the connection. State, specifically:
  • the terminal determines whether the data service type belongs to a burst small data packet service or a continuous service. If it is a burst small data packet service, the terminal does not trigger the terminal to enter a connected state. If it is a continuous service, the terminal is triggered to enter a connected state;
  • the terminal determines the amount of uplink data to be sent. If the data volume is less than the preset threshold, the terminal does not trigger the terminal to enter the connected state. If the data volume is greater than the preset threshold, the terminal is triggered to enter the connected state.
  • the data threshold may be protocol specification or terminal pre-configuration or the network side notifies the terminal by means of broadcast or dedicated signaling.
  • a terminal is shown, and the terminal includes:
  • the sending module 601 is configured to: when the terminal in the inactive connection state has the uplink data, send the uplink initial transmission of the terminal identifier that carries the inactive connection state of the terminal on the uplink contention resource that is available in the area;
  • the above uplink contention resources available in the area are: all access devices in an area are reserved as resources for uplink contention transmission.
  • the area is at least an area where the terminal identifier (such as an Inactive UE ID) of the terminal is actively connected, or a larger area.
  • the foregoing uplink contention resources may be available to all terminals, or may be available for a specific type of terminal, or a specific capability terminal, or a terminal transmitting a specific service, and are not limited thereto.
  • the foregoing uplink contention resources have one or more groups, wherein the uplink contention resource configuration content of each group includes one or more of the following: a time-frequency domain resource location of an uplink contention resource; an uplink contention resource scheduling and data transmission use a scrambling sequence code; a terminal type to which an uplink contention resource applies; a terminal capability level to which an uplink contention resource applies; and a service type to which an uplink contention resource applies;
  • the configuration mode of the uplink contention resource is any one of the following: configured by a system message broadcast; pre-configured by the terminal; and configured by dedicated signaling before the terminal enters the inactive connection state.
  • the content of the uplink initial transmission includes one or more of the following: a terminal identifier of an inactive connection state; an identifier of the terminal to enter a connection state; a small data packet sent by the terminal to the access device; and a BSR (buffer status report)
  • the BSR content is the amount of cached data to be sent by the current terminal, or an empty BSR.
  • the receiving module 602 is configured to receive a feedback acknowledgement message confirming the uplink initial transmission.
  • the feedback confirmation message carries: a terminal identifier in an inactive connection state and/or a terminal air interface transmission unique identifier;
  • the feedback confirmation message carries the terminal identifier of the inactive connection state.
  • the terminal further includes:
  • a cache module configured to cache, after the terminal sends an uplink initial transmission, a data packet that has been sent on the uplink initial transmission;
  • the sending module is further configured to continue to send the buffered data packet on the subsequent uplink contention resource if the terminal does not correctly receive the feedback acknowledgement message of the access device.
  • the terminal further includes:
  • the notification module is configured to stop attempting to send the buffered data packet and notify the terminal of the high-level data transmission failure when the terminal attempts to send the buffered data packet to the specified maximum number of attempts on the uplink contention resource.
  • the terminal further includes:
  • a feedback module configured to send an ACK feedback to the feedback acknowledgement message of the access device when the feedback acknowledgement message carries the terminal identifier of the inactive connection state
  • the location of the HARQ feedback resource associated with the ACK feedback corresponds to the location of the feedback acknowledgement message resource sent by the access device, and the ACK sequence related to the ACK feedback and the resource and/or terminal of the access device feedback acknowledgement message.
  • the sending module is further configured to: when the feedback acknowledgement message carries a terminal air interface to transmit a unique identifier, the terminal sends an uplink transmission according to a subsequent uplink scheduling, where the subsequent uplink scheduling refers to an access device
  • the terminal air interface transmission uniquely identifies the uplink scheduling performed by the terminal.
  • the terminal further includes:
  • a determining module configured to determine a service type of the uplink data
  • the terminal does not trigger the terminal to enter a connected state, and if the service of the uplink data is a continuous service, triggering the terminal to enter a connected state;
  • a judging module configured to determine the amount of data of the uplink data to be sent
  • the terminal does not trigger the terminal to enter the connected state. If the data volume of the uplink data is greater than the preset threshold, the terminal is triggered to enter the connected state.
  • the terminal When the terminal in the inactive connection state has the uplink data arrives, the terminal sends the uplink initial transmission of the terminal identifier carrying the inactive connection state of the terminal on the uplink contention resources available in the area; the terminal receives the confirmation
  • the feedback confirmation message of the initial transmission of the uplink provides an implementation manner of rapidly performing uplink data transmission in the Inactive state of the terminal. Further, the terminal in the Inactive state can send the small data packet to the access device to avoid the terminal state. The signaling overhead caused by the transition, and the flexibility to determine whether the terminal needs state transitions, further reducing unnecessary signaling overhead.
  • an access device where the access device includes:
  • the receiving module 701 is configured to receive an uplink initial transmission that carries the terminal identifier of the inactive connection state of the terminal, where the uplink initial transmission is when the terminal in the inactive connection state has uplink data, and the terminal is in the area. Sent on the available upstream contention resources;
  • the above uplink contention resources available in the area are: all access devices in an area are reserved as resources for uplink contention transmission.
  • the area is at least an area where the terminal identifier (such as an Inactive UE ID) of the terminal is actively connected, or a larger area.
  • the foregoing uplink contention resources may be available to all terminals, or may be available for a specific type of terminal, or a specific capability terminal, or a terminal transmitting a specific service, and are not limited thereto.
  • the foregoing uplink contention resources have one or more groups, wherein the uplink contention resource configuration content of each group includes one or more of the following: a time-frequency domain resource location of an uplink contention resource; an uplink contention resource scheduling and data transmission use a scrambling sequence code; a terminal type to which an uplink contention resource applies; a terminal capability level to which an uplink contention resource applies; and a service type to which an uplink contention resource applies;
  • the configuration mode of the uplink contention resource is any one of the following: configured by a system message broadcast; pre-configured by the terminal; and configured by dedicated signaling before the terminal enters the inactive connection state.
  • the content of the uplink initial transmission includes one or more of the following: a terminal identifier of an inactive connection state; an identifier of the terminal to enter a connection state; a small data packet sent by the terminal to the access device; and a BSR (buffer status report) ), wherein the BSR content is the amount of cached data to be sent by the current terminal, or Empty BSR.
  • the sending module 702 is configured to send a feedback acknowledgement message confirming the uplink initial transmission.
  • the feedback confirmation message carries: a terminal identifier in an inactive connection state and/or a terminal air interface transmission unique identifier;
  • the feedback confirmation message carries the terminal identifier of the inactive connection state.
  • the receiving module is further configured to: when the feedback acknowledgement message carries a terminal identifier of an inactive connection state, receive an ACK feedback sent by the terminal for the feedback acknowledgement message;
  • the location of the HARQ feedback resource associated with the ACK feedback corresponds to the location of the feedback acknowledgement message resource sent by the access device, and the ACK sequence related to the ACK feedback and the resource and/or terminal of the access device feedback acknowledgement message.
  • the access device further includes: a scheduling module, configured to: when the feedback acknowledgement message carries the terminal air interface to transmit the unique identifier, use the terminal air interface to transmit the unique identifier to schedule the uplink transmission for the terminal.
  • a scheduling module configured to: when the feedback acknowledgement message carries the terminal air interface to transmit the unique identifier, use the terminal air interface to transmit the unique identifier to schedule the uplink transmission for the terminal.
  • the access device further includes:
  • a determining module configured to determine whether the terminal needs to enter a connected state
  • the uplink initial transmission received by the receiving module includes the identifier that the terminal wants to enter the connected state, and the identifier indicates that the terminal needs to enter the connected state, it is determined that the terminal needs to enter the connected state;
  • the BSR displays the amount of buffered data to be sent by the current terminal, and when the amount of the buffered data is not empty, it is determined that the terminal needs to enter the connected state.
  • the terminal When the terminal in the inactive connection state has the uplink data arrives, the terminal sends the uplink initial transmission of the terminal identifier carrying the inactive connection state of the terminal on the uplink contention resources available in the area; the terminal receives the confirmation
  • the feedback confirmation message of the initial transmission of the uplink provides an implementation manner of rapidly performing uplink data transmission in the Inactive state of the terminal. Further, the terminal in the Inactive state can send the small data packet to the access device to avoid the terminal state. The signaling overhead caused by the transition, and the flexibility to determine whether the terminal needs state transitions, further reducing unnecessary signaling overhead.
  • a terminal including a processor 804, a memory 805, and a transceiver 801.
  • the memory 805 is configured to store data used by the processor 804 when performing an operation.
  • the processor 804 is configured to read a program in the memory 805 and perform the following process:
  • the uplink initial transmission carrying the terminal identity of the inactive connection state of the terminal is sent on the uplink contention resources available in the area; and the feedback confirming the uplink initial transmission is received. Confirm the message.
  • the transceiver 801 is configured to receive and transmit data under the control of the processor 804.
  • bus 800 may include any number of interconnected buses and bridges, and bus 800 will include one or more processors represented by processor 804 and memory represented by memory 805. The various circuits are linked together.
  • the bus 800 can also link various other circuits, such as peripherals, voltage regulators, and power management circuits, as is known in the art, and therefore, will not be further described herein.
  • Bus interface 803 provides an interface between bus 800 and transceiver 801.
  • Transceiver 801 can be an element or a plurality of elements, such as a plurality of receivers and transmitters, providing means for communicating with various other devices on a transmission medium.
  • Data processed by processor 804 is transmitted over wireless medium via antenna 802. Further, antenna 802 also receives data and transmits the data to processor 804.
  • the processor 804 is responsible for managing the bus 800 and the usual processing, and can also provide various functions including timing, peripheral interfaces, voltage regulation, power management, and other control functions.
  • the memory 805 can be used to store data used by the processor 804 in performing the operations.
  • the processor 804 can be a CPU, an ASIC, an FPGA, or a CPLD.
  • the above uplink contention resources available in the area are: all access devices in an area are reserved as resources for uplink contention transmission.
  • the area is at least an area where the terminal identifier (such as an Inactive UE ID) of the terminal is actively connected, or a larger area.
  • the foregoing uplink contention resources may be available to all terminals, or may be available for a specific type of terminal, or a specific capability terminal, or a terminal transmitting a specific service, and are not limited thereto.
  • the foregoing uplink contention resources have one or more groups, wherein the uplink contention resource configuration content of each group includes one or more of the following: a time-frequency domain resource location of an uplink contention resource; an uplink contention resource scheduling and data transmission use a scrambling sequence code; a terminal type to which an uplink contention resource applies; a terminal capability level to which an uplink contention resource applies; and a service type to which an uplink contention resource applies;
  • the configuration mode of the uplink contention resource is any one of the following: configured by a system message broadcast; pre-configured by the terminal; and configured by dedicated signaling before the terminal enters the inactive connection state.
  • the content of the uplink initial transmission includes one or more of the following: a terminal identifier of an inactive connection state; an identifier of the terminal to enter a connection state; a small data packet sent by the terminal to the access device; and a BSR (buffer status report)
  • the BSR content is the amount of cached data to be sent by the current terminal, or an empty BSR.
  • the feedback confirmation message carries: a terminal identifier in an inactive connection state and/or a terminal air interface transmission unique identifier;
  • the feedback confirmation message carries the terminal identifier of the inactive connection state.
  • the processor 804 is further configured to: after the terminal sends the uplink initial transmission, buffer the data packet that has been sent on the uplink initial transmission; if the terminal correctly receives the feedback acknowledgement message of the access device, clear the cache.
  • Data packet After the terminal sends the uplink initial transmission, buffer the data packet that has been sent on the uplink initial transmission; if the terminal correctly receives the feedback acknowledgement message of the access device, clear the cache.
  • the processor 804 is further configured to continue to send the buffered data packet on the subsequent uplink contention resource if the terminal does not correctly receive the feedback acknowledgement message of the access device.
  • the processor 804 is further configured to stop attempting to send the buffered data packet and notify the terminal of the high-level data when the terminal attempts to send the buffered data packet on the uplink contention resource to reach a specified maximum number of attempts. The transfer failed.
  • the processor 804 is further configured to: when the feedback acknowledgement message carries the terminal identifier of the inactive connection state, send a ACK feedback to the feedback acknowledgement message of the access device;
  • the location of the HARQ feedback resource associated with the ACK feedback corresponds to the location of the feedback acknowledgement message resource sent by the access device, and the ACK sequence related to the ACK feedback and the resource and/or terminal of the access device feedback acknowledgement message.
  • the processor 804 is further configured to: when the feedback acknowledgement message carries a terminal air interface transmission unique identifier, the terminal sends an uplink transmission according to a subsequent uplink scheduling, where the subsequent uplink scheduling refers to access
  • the device uses the terminal air interface to transmit an uplink identifier uniquely identified by the terminal.
  • the processor 804 is further configured to determine a service type of the uplink data.
  • the terminal does not trigger the terminal to enter a connected state, and if the service of the uplink data is a continuous service, triggering the terminal to enter a connected state;
  • the processor 804 is further configured to determine, according to the amount of data of the uplink data that needs to be sent,
  • the terminal does not trigger the terminal to enter the connected state. If the data volume of the uplink data is greater than the preset threshold, the terminal is triggered to enter the connected state.
  • the terminal When the terminal in the inactive connection state has the uplink data arrives, the terminal sends the uplink initial transmission of the terminal identifier carrying the inactive connection state of the terminal on the uplink contention resources available in the area; the terminal receives the confirmation
  • the feedback confirmation message of the initial transmission of the uplink provides an implementation manner of rapidly performing uplink data transmission in the Inactive state of the terminal. Further, the terminal in the Inactive state can send the small data packet to the access device to avoid the terminal state. The signaling overhead caused by the transition, and the flexibility to determine whether the terminal needs state transitions, further reducing unnecessary signaling overhead.
  • a terminal including a processor 904, a memory 905, and a transceiver 901:.
  • the memory 905 is configured to store data used by the processor 904 when performing an operation.
  • the processor 904 is configured to read a program in the memory 905 and perform the following process:
  • the transceiver 901 is configured to receive and transmit data under the control of the processor 904.
  • bus 900 can include any number of interconnected buses and bridges, and bus 900 will include one or more processors represented by processor 904 and memory represented by memory 905. The various circuits are linked together. The bus 900 can also link various other circuits, such as peripherals, voltage regulators, and power management circuits, as is known in the art, and therefore, will not be further described herein.
  • Bus interface 903 provides an interface between bus 900 and transceiver 901. Transceiver 901 can be an element or a plurality of elements, such as multiple receivers and transmitters, providing means for communicating with various other devices on a transmission medium. Data processed by processor 904 is transmitted over wireless medium via antenna 902. Further, antenna 902 also receives data and transmits the data to processor 904.
  • the processor 904 is responsible for managing the bus 900 and the usual processing, and can also provide various functions including timing, peripheral interfaces, voltage regulation, power management, and other control functions.
  • the memory 905 can be used to store data used by the processor 904 when performing operations.
  • the processor 904 can be a CPU, an ASIC, an FPGA, or a CPLD.
  • the foregoing uplink contention resources may be available to all terminals, or may be available for a specific type of terminal, or a specific capability terminal, or a terminal transmitting a specific service, and are not limited thereto.
  • the foregoing uplink contention resources have one or more groups, wherein the uplink contention resource configuration content of each group includes one or more of the following: a time-frequency domain resource location of an uplink contention resource; an uplink contention resource scheduling and data transmission use a scrambling sequence code; a terminal type to which an uplink contention resource applies; a terminal capability level to which an uplink contention resource applies; and a service type to which an uplink contention resource applies;
  • the configuration mode of the uplink contention resource is any one of the following: configured by a system message broadcast; pre-configured by the terminal; and configured by dedicated signaling before the terminal enters the inactive connection state.
  • the content of the uplink initial transmission includes one or more of the following: a terminal identifier of an inactive connection state; an identifier of the terminal to enter a connection state; a small data packet sent by the terminal to the access device; and a BSR (buffer status report)
  • the BSR content is the amount of cached data to be sent by the current terminal, or an empty BSR.
  • the processor 904 is further configured to: when the feedback acknowledgement message carries the terminal identifier of the inactive connection state, receive the ACK feedback sent by the terminal for the feedback acknowledgement message;
  • the location of the HARQ feedback resource associated with the ACK feedback corresponds to the location of the feedback acknowledgement message resource sent by the access device, and the ACK sequence related to the ACK feedback and the resource and/or terminal of the access device feedback acknowledgement message.
  • the processor 904 is further configured to: when the feedback acknowledgement message carries the terminal air interface to transmit the unique identifier, use the terminal air interface to transmit the unique identifier to schedule the uplink transmission for the terminal.
  • the processor 904 is further configured to determine whether the terminal needs to enter a connected state.
  • the uplink initial transmission received by the access device includes an identifier that the terminal needs to enter a connected state, and the identifier indicates that the terminal needs to enter a connected state, determining that the terminal needs to enter a connected state;
  • the BSR displays the amount of buffered data to be sent by the current terminal, and when the amount of the buffered data is not empty, it is determined that the terminal needs to enter a connected state.
  • the terminal When the terminal in the inactive connection state has the uplink data arrives, the terminal sends the uplink initial transmission of the terminal identifier carrying the inactive connection state of the terminal on the uplink contention resources available in the area; the terminal receives the confirmation A feedback acknowledgement message for the initial transmission of the uplink is provided at the terminal.
  • the implementation of the uplink data transmission in the inactive state, and further, the terminal in the Inactive state can send small data packets to the access device, avoiding the signaling overhead caused by the transition of the terminal state, and can also flexibly determine the terminal. Whether state transitions are required further reduces unnecessary signaling overhead.
  • system and “network” are used interchangeably herein.
  • B corresponding to A means that B is associated with A, and B can be determined from A.
  • determining B from A does not mean that B is only determined based on A, and that B can also be determined based on A and/or other information.
  • the disclosed method and apparatus 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 Can be integrated 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.
  • each functional unit in various embodiments of the present disclosure may be integrated into one processing unit, or each unit may be physically included separately, or two or more units may be integrated into one unit.
  • the above integrated unit can be implemented in the form of hardware or hardware plus software. The form of the unit is implemented.
  • the above-described integrated unit implemented in the form of a software functional unit can be stored in a computer readable storage medium.
  • the above software functional unit is stored in a storage medium and includes a plurality of instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to perform part of the steps of the transceiving method of the various embodiments of the present disclosure.
  • 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, and the program code can be stored. Medium.

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Abstract

本公开实施例提供了一种上行数据传输的方法及设备，该方法包括：当处于不活跃连接态的终端有上行数据到达时，所述终端在区域内可用的上行竞争资源上发送携带所述终端的不活跃连接态的终端标识的上行初始传输；所述终端接收确认所述上行初始传输的反馈确认消息。

Description

一种上行数据传输的方法及设备
相关申请的交叉引用
本申请主张于2016年5月12日提交中国专利局、申请号为201610317806.2的优先权，其全部内容据此通过引用并入本申请。
技术领域
本公开涉及通信技术领域，尤其涉及一种上行数据传输的方法及设备。
背景技术
在终端状态中，除了RRC连接态分配了终端空口传输唯一标识C-RNTI可以直接进行数据收发，其他状态有上行数据需要传输时，终端都要先发起连接建立，进入RRC连接态，建立RRC连接，获取用于数据传输的终端空口传输唯一标识，即C-RNTI，才能进行后续的数据传输。
发明内容
鉴于上述技术问题，本公开实施例提供一种上行数据传输的方法、装置及设备，解决现有技术中当终端处于Inactive态时，无法快速传输上行数据技术问题。
依据本公开实施例的一个方面，提供给了一种上行数据传输的方法，所述方法包括：
当处于不活跃连接态的终端有上行数据到达时，所述终端在区域内可用的上行竞争资源上发送携带所述终端的不活跃连接态的终端标识的上行初始传输；
所述终端接收确认所述上行初始传输的反馈确认消息。
可选地，
所述区域至少是该终端不活跃连接态的终端标识有效的区域；
所述上行竞争资源有一组或多组，其中，每组的所述上行竞争资源配置内容包括以下一项或多项：
上行竞争资源的时频域资源位置；
上行竞争资源调度和数据传输使用的加扰序列码；
上行竞争资源适用的终端类型；
上行竞争资源适用的终端能力等级；
上行竞争资源适用的业务类型；
所述上行竞争资源的配置方式为以下任意一种：
通过系统消息广播配置；
通过终端预配置；
终端进入不活跃连接态之前，在连接态时，通过专用信令配置。
可选地，
所述上行初始传输的内容包括以下一项或多项：
不活跃连接态的终端标识；
终端是否要进入连接态的标识；
终端发送给接入设备的小数据包；
BSR，BSR内容为当前终端待发送的缓存数据量，或者空的BSR。
可选地，如果所述终端需要进入连接态，所述反馈确认消息中携带：不活跃连接态的终端标识和/或终端空口传输唯一标识；如果所述终端不需要进入连接态，所述反馈确认消息中携带不活跃连接态的终端标识。
可选地，在所述终端发送上行初始传输之后，所述方法还包括：
所述终端缓存在所述上行初始传输上已发送的数据包；
在所述终端接收确认所述上行初始传输的反馈确认消息之后，所述方法还包括：
如果所述终端正确接收接入设备的反馈确认消息，所述终端清空缓存的数据包；
如果所述终端没有正确接收接入设备的反馈确认消息，所述终端在后续上行竞争资源上继续发送缓存的数据包。
可选地，所述方法还包括：当所述终端在上行竞争资源上尝试发送缓存的数据包达到规定的最大尝试次数仍未成功时，所述终端停止尝试发送缓存的数 据包，并通知终端高层数据传输失败。
可选地，在所述终端接收接入设备发送的确认所述上行初始传输的反馈确认消息之后，所述方法还包括：
当所述反馈确认消息中携带有不活跃连接态的终端标识时，所述终端针对所述接入设备的反馈确认消息发送ACK反馈；
其中，与所述ACK反馈相关的HARQ反馈资源位置与接入设备发送的反馈确认消息资源位置对应，与所述ACK反馈相关的ACK序列与所述接入设备反馈确认消息的资源和/或终端空口传输唯一标识关联；或者
当所述反馈确认消息中携带有终端空口传输唯一标识时，所述终端根据后续上行调度发送上行传输，其中，所述后续上行调度是指由接入设备用所述终端空口传输唯一标识为所述终端进行的上行调度。
可选地，所述方法还包括：
所述终端判断所述上行数据的业务类型；
如果所述上行数据的业务是突发小数据包业务，不触发所述终端进入连接态，如果所述上行数据的业务是连续业务，触发所述终端进入连接态；
或
所述终端判断需要发送的上行数据的数据量，
如果所述上行数据的数据量小于预设门限值，不触发所述终端进入连接态，如果所述上行数据的数据量大于预设门限值，触发所述终端进入连接态。
依据本公开实施例的另一个方面，还提供了一种上行数据传输的方法，所述方法包括：
接入设备接收携带有终端的不活跃连接态的终端标识的上行初始传输，所述上行初始传输是当处于不活跃连接态的终端有上行数据到达时，由所述终端在区域内可用的上行竞争资源上发送的；
所述接入设备发送确认所述上行初始传输的反馈确认消息。
可选地，所述区域至少是该终端不活跃连接态的终端标识有效的区域；
所述上行竞争资源有一组或多组，其中，每组的所述上行竞争资源配置内容包括以下一项或多项：
上行竞争资源的时频域资源位置；
上行竞争资源调度和数据传输使用的加扰序列码；
上行竞争资源适用的终端类型；
上行竞争资源适用的终端能力等级；
上行竞争资源适用的业务类型；
所述上行竞争资源的配置方式为以下任意一种：
通过系统消息广播配置；
通过终端预配置；
终端进入不活跃连接态之前，在连接态时，通过接入设备专用信令配置。
可选地，所述上行初始传输的内容包括以下一项或多项：
不活跃连接态的终端标识；
终端是否要进入连接态的标识；
终端发送给接入设备的小数据包；
BSR，BSR内容为当前终端待发送的缓存数据量，或者空的BSR。
可选地，如果所述终端需要进入连接态，所述反馈确认消息中携带：不活跃连接态的终端标识和/或终端空口传输唯一标识；如果所述终端不需要进入连接态，所述反馈确认消息中携带不活跃连接态的终端标识。
可选地，在所述接入设备发送确认所述上行初始传输的反馈确认消息之后，所述方法还包括：
当所述反馈确认消息中携带有不活跃连接态的终端标识时，所述接入设备接收所述终端针对所述反馈确认消息发送的ACK反馈；
其中，与所述ACK反馈相关的HARQ反馈资源位置与接入设备发送的反馈确认消息资源位置对应，与所述ACK反馈相关的ACK序列与所述接入设备反馈确认消息的资源和/或终端空口传输唯一标识关联；或者
当所述反馈确认消息中携带有终端空口传输唯一标识时，所述接入设备用所述终端空口传输唯一标识为所述终端调度上行传输。
可选地，所述方法还包括：
所述接入设备判断终端是否需要进入连接态，
当所述接入设备接收的上行初始传输中包括终端要进入连接态的标识，且该标识显示终端需要进入连接态时，判定终端需要进入连接态；或
当所述接入设备接收的上行初始传输中包括BSR，BSR显示当前终端待发送的缓存数据量，该缓存数据量不为空时，判定终端需要进入连接态。
依据本公开实施例的又一个方面，还提供了一种终端，所述终端包括：
发送模块，用于当处于不活跃连接态的终端有上行数据到达时，在区域内可用的上行竞争资源上发送携带所述终端的不活跃连接态的终端标识的上行初始传输；
接收模块，用于接收确认所述上行初始传输的反馈确认消息。
可选地，
所述区域至少是该终端不活跃连接态的终端标识有效的区域；
所述上行竞争资源有一组或多组，其中，每组的所述上行竞争资源配置内容包括以下一项或多项：
上行竞争资源的时频域资源位置；
上行竞争资源调度和数据传输使用的加扰序列码；
上行竞争资源适用的终端类型；
上行竞争资源适用的终端能力等级；
上行竞争资源适用的业务类型；
所述上行竞争资源的配置方式为以下任意一种：
通过系统消息广播配置；
通过终端预配置；
终端进入不活跃连接态之前，在连接态时，通过专用信令配置。
可选地，
所述上行初始传输的内容包括以下一项或多项：
不活跃连接态的终端标识；
终端是否要进入连接态的标识；
终端发送给接入设备的小数据包；
BSR，BSR内容为当前终端待发送的缓存数据量，或者空的BSR。
可选地，如果所述终端需要进入连接态，所述反馈确认消息中携带：不活跃连接态的终端标识和/或终端空口传输唯一标识；如果所述终端不需要进入连接态，所述反馈确认消息中携带不活跃连接态的终端标识。
可选地，所述终端还包括：
缓存模块，用于所述终端发送上行初始传输后，缓存在所述上行初始传输上已发送的数据包；
清空模块，用于如果所述终端正确接收接入设备的反馈确认消息，清空缓存的数据包；
所述发送模块还用于如果所述终端没有正确接收接入设备的反馈确认消息，在后续上行竞争资源上继续发送缓存的数据包。
可选地，所述终端还包括：通知模块，用于当所述终端在上行竞争资源上尝试发送缓存的数据包达到规定的最大尝试次数仍未成功时，停止尝试发送缓存的数据包，并通知终端高层数据传输失败。
可选地，所述终端还包括反馈模块，用于当所述反馈确认消息中携带有不活跃连接态的终端标识时，针对接入设备的反馈确认消息发送ACK反馈；
其中，与所述ACK反馈相关的HARQ反馈资源位置与接入设备发送的反馈确认消息资源位置对应，与所述ACK反馈相关的ACK序列与所述接入设备反馈确认消息的资源和/或终端空口传输唯一标识关联；或者
所述发送模块，还用于当所述反馈确认消息中携带有终端空口传输唯一标识时，所述终端根据后续上行调度发送上行传输，其中，所述后续上行调度是指由接入设备用所述终端空口传输唯一标识为所述终端进行的上行调度。
可选地，所述终端还包括：
判断模块，用于判断所述上行数据的业务类型；
如果所述上行数据的业务是突发小数据包业务，不触发所述终端进入连接态，如果所述上行数据的业务是连续业务，触发所述终端进入连接态；
或
判断模块，用于判断需要发送的上行数据的数据量，
如果所述上行数据的数据量小于预设门限值，不触发所述终端进入连接态， 如果所述上行数据的数据量大于预设门限值，触发所述终端进入连接态。
依据本公开实施例的又一个方面，还提供了一种接入设备，包括：
接收模块，用于接收携带有终端的不活跃连接态的终端标识的上行初始传输，所述上行初始传输是当处于不活跃连接态的终端有上行数据到达时，由所述终端在区域内可用的上行竞争资源上发送的；
发送模块，用于发送确认所述上行初始传输的反馈确认消息。
可选地，所述区域至少是该终端不活跃连接态的终端标识有效的区域；所述上行竞争资源有一组或多组，其中，每组的所述上行竞争资源配置内容包括以下一项或多项：
上行竞争资源的时频域资源位置；
上行竞争资源调度和数据传输使用的加扰序列码；
上行竞争资源适用的终端类型；
上行竞争资源适用的终端能力等级；
上行竞争资源适用的业务类型；
所述上行竞争资源的配置方式为以下任意一种：
通过系统消息广播配置；
通过终端预配置；
终端进入不活跃连接态之前，在连接态时，通过接入设备专用信令配置。
可选地，所述上行初始传输的内容包括以下一项或多项：
不活跃连接态的终端标识；
终端是否要进入连接态的标识；
终端发送给接入设备的小数据包；
BSR，BSR内容为当前终端待发送的缓存数据量，或者空的BSR。
可选地，如果所述终端需要进入连接态，所述反馈确认消息中携带：不活跃连接态的终端标识和/或终端空口传输唯一标识；如果所述终端不需要进入连接态，所述反馈确认消息中携带不活跃连接态的终端标识。
可选地，
所述接收模块，还用于当所述反馈确认消息中携带有不活跃连接态的终端 标识时，接收所述终端针对所述反馈确认消息发送的ACK反馈；
其中，与所述ACK反馈相关的HARQ反馈资源位置与接入设备发送的反馈确认消息资源位置对应，与所述ACK反馈相关的ACK序列与所述接入设备反馈确认消息的资源和/或终端空口传输唯一标识关联；或者
所述接入设备还包括：调度模块，用于当所述反馈确认消息中携带有终端空口传输唯一标识时，用所述终端空口传输唯一标识为所述终端调度上行传输。
可选地，
所述接入设备还包括：
判断模块，用于判断终端是否需要进入连接态，
当所述接收模块接收的上行初始传输中包括终端要进入连接态的标识，且该标识显示终端需要进入连接态时，判定终端需要进入连接态；或
当所述接收模块接收的上行初始传输中包括BSR，BSR显示当前终端待发送的缓存数据量，该缓存数据量不为空时，判定终端需要进入连接态。
依据本公开实施例的又一个方面，还提供了一种终端，所述终端包括：处理器、存储器和收发机，其中
所述存储器，用于存储所述处理器在执行操作时所使用的数据；
所述处理器，用于控制收发机发送和接收数据；
所述收发机，在所述处理器的控制下，用于当处于不活跃连接态的终端有上行数据到达时，在区域内可用的上行竞争资源上发送携带所述终端的不活跃连接态的终端标识的上行初始传输；以及用于接收确认所述上行初始传输的反馈确认消息。
依据本公开实施例的又一个方面，还提供了一种接入设备，包括：处理器、存储器和收发机，其中
所述存储器，用于存储所述处理器在执行操作时所使用的数据；
所述处理器，用于控制收发机接收和发送数据；
所述收发机，在所述处理器的控制下，用于接收携带有终端的不活跃连接态的终端标识的上行初始传输，所述上行初始传输是当处于不活跃连接态的终端有上行数据到达时，由所述终端在区域内可用的上行竞争资源上发送的；以 及用于发送确认所述上行初始传输的反馈确认消息。
上述技术方案中的一个技术方案具有如下优点或有益效果：当处于不活跃连接态的终端有上行数据到达时，所述终端在区域内可用的上行竞争资源上发送携带所述终端的不活跃连接态的终端标识的上行初始传输；所述终端接收确认所述上行初始传输的反馈确认消息，提供了在终端处于Inactive态下快速进行上行数据传输的实施方式，进一步地，由于处于Inactive态的终端可将小数据包发送至接入设备，避免终端状态的跃迁而产生的信令开销，而且还能灵活确定终端是否需要状态跃迁，进一步降低不必要的信令开销。
附图说明
图1为根据本公开的实施方式的一个示例性应用场景的网络部署结构图；
图2为根据本公开的实施方式的又一个示例性应用场景的网络部署结构图；
图3为本公开实施例中上行数据传输的方法的示意图；
图4为本公开实施例中接入设备发送反馈确认消息后的流程示意图；
图5为本公开实施例中上行数据传输的方法的示意图；
图6为本公开实施例中接入设备的示意图；
图7为本公开实施例中终端的示意图；
图8为本公开实施例中接入设备的示意图；
图9为本公开实施例中终端的示意图。
具体实施方式
下面将参照附图更详细地描述本公开的示例性实施例。虽然附图中显示了本公开的示例性实施例，然而应当理解，可以以各种形式实现本公开而不应被这里阐述的实施例所限制。相反，提供这些实施例是为了能够更透彻地理解本公开，并且能够将本公开的范围完整的传达给本领域的技术人员。
本领域技术人员知道，本公开的实施方式可以实现为一种系统、装置、设备、方法或计算机程序产品。因此，本公开的实施例可以具体实现为以下形式：完全的硬件、完全的软件(包括固件、驻留软件、微代码等)，或者硬件和软 件结合的形式。
根据本公开的实施方式，提出了一种上行数据传输的方法及设备。本公开的实施方式可以用于不同的网络部署结构，为了描述方便，先介绍两种移动通信可能采用的网络部署结构。
随着无线通信系统的发展，终端类型和业务类型多样化，终端省电、节约网络资源和满足各种业务类型的需求并存。为了同时保证终端省电和快速数据传输，引入一种终端状态——Inactive态(不活跃的连接态)，这种状态下终端保持核心网连接，但不进行空口连接态的常规操作(如切换、上行定时更新、无线链路监控等)，不分配直接用于空口传输的终端标识(如C-RNTI)，因此不能直接进行空口调度传输。
在终端状态中，除了RRC连接态分配了终端空口传输唯一标识C-RNTI可以直接进行数据收发，其他状态有上行数据需要传输时，终端都要先发起连接建立，进入RRC连接态，建立RRC连接，获取用于数据传输的终端空口传输唯一标识，即C-RNTI，才能进行后续的数据传输。这种过程不利于有上行数据到达时的快速传输，且如果只有突发小数据包需要发送，如典型MTC(Machine Type Communication)业务，终端进入连接态发了一个小数据包后为了省电又要进入idle或Inactive态，这种状态跃迁会造成信令开销，如果终端数量巨大时(如mMTC，massive MTC场景)，这种信令开销不可接受。
基于上述分析，本公开的基本设计思想是：未与单个小区建立连接的终端有上行数据到达时，在区域内可用的上行竞争资源上发送携带该终端Inactive UE ID的上行初始传输，基站发送反馈确认消息该终端的上行传输。
上述未与单个小区建立连接主要指一种新引入的终端状态-不活跃的连接态(Inactive状态)，在该状态下允许如下的行为：
通过核心网确定该UE处于连接状态；
移动性是UE执行的，在网络侧预配置的区域内，通过小区重选来执行，而不是切换过程进行；
终端被分配了在网络侧预配置的区域内的唯一用户标识，该预配置区域包含一个或多个基站中的多个小区，为终端在移动性简化的同时带来移动性自由度。
Inactive状态下，网络侧为终端分配一定区域内有效的RAN标识，该标识用于在Inactive态下识别终端，可以用于网络侧查找终端或终端主动发起上行接入时用该标识作为身份识别进入连接态。可以称为Inactive UE ID，也可以称为resume UE ID。该标识不同于全球唯一的IMSI或连接态终端标识C-RNTI，该标识长度介于两者之间(例如Inactive UE ID长度为40bit，C-RNTI长度为16bit)，只在包含多个小区或多个eNB的一定区域内有效，如果超过该区域，终端需要更新Inactive UE ID。
参见图1，图中示意性地示出了根据本公开的实施方式的一个示例性应用场景的网络部署结构图。该网络部署结构属于典型的LTE架构，其包括：基站(eNB)和终端(UE)，eNB下有多个小区(cell)，连接态下终端UE与小区进行空口数据收发，连接态UE分配小区内唯一的UE标识C-RNTI。
参见图2，图中示意性地示出了根据本公开的实施方式的又一个示例性应用场景的网络部署结构图，网络侧节点分为中央单元(CU，Central Unit)和分布式单元(DU，Distributed Unit)，用户侧节点为终端。
图2是未来移动通信5G可能采用的一种架构，网络侧节点包括中央单元和分布式单元，一个中央单元控制一定区域内部署的多个分布式单元，这些分布式单元具体通过传输点TRP(Transmission Reception Point)与终端进行空口传输。一个或多个传输点可以同时为终端服务，进行数据传输，不管采用哪种方式，都需要通过网络侧为终端分配的终端空口唯一标识来进行数据调度和传输，这个标识可以是C-RNTI或TRP-RNTI。
需要注意的是，本公开实施方式适用于上述两种RAN(无线接入网)架构。后续为统一描述，将用于终端连接态传输的终端唯一标识称为终端空口传输唯一标识，该标识在传统LTE中即为C-RNTI。Inactive态的终端在区域内唯一标识称为Inactive UE ID。网络侧无线信令和数据收发节点不管是图1中的eNB或图2中的CU/DU(具体收发点为TRP)，都统称为接入设备。
下面结合图1或图2所示的应用场景，参考图3来描述根据本公开示例性实施方式的上行数据传输的方法。需要注意的是，上述应用场景仅是为了便于理解本公开的精神和原理而示出，本公开的实施方式在此方面不受任何限制。相反，本公开的实施方式可以应用于适用的任何场景。
图3示意性地示出了根据发明的实施方式中上行数据传输的方法的一实施例的流程图，该方法的执行主体为终端。
步骤S310、当处于不活跃连接态的终端有上行数据到达时，终端在区域内可用的上行竞争资源上发送携带终端的不活跃连接态的终端标识的上行初始传输；
上述在区域内可用的上行竞争资源是指：一个区域内的所有接入设备都预留作为上行竞争传输的资源。该区域至少是该终端活跃连接态的终端标识(例如Inactive UE ID)有效的区域，也可以是个更大的区域。
上述上行竞争资源可以是所有终端可用，也可以是特定类型终端、或特定能力终端、或传输特定业务的终端可用，当然也并不限于此。
上述上行竞争资源有一组或多组，其中，每组的所述上行竞争资源配置内容包括以下一项或多项：上行竞争资源的时频域资源位置；上行竞争资源调度和数据传输使用的加扰序列码；上行竞争资源适用的终端类型；上行竞争资源适用的终端能力等级；和上行竞争资源适用的业务类型；
所述上行竞争资源的配置方式为以下任意一种：通过系统消息广播配置；通过终端预配置；以及，终端进入不活跃连接态之前，在连接态时，通过专用信令配置。
所述上行初始传输的内容包括以下一项或多项：不活跃连接态的终端标识；终端是否要进入连接态的标识；终端发送给接入设备的小数据包；以及BSR(缓冲区状态报告)，其中，BSR内容为当前终端待发送的缓存数据量，或者空的BSR。
步骤S320、终端接收确认上行初始传输的反馈确认消息。
如果所述终端需要进入连接态，所述反馈确认消息中携带：不活跃连接态的终端标识和/或终端空口传输唯一标识；
如果所述终端不需要进入连接态，所述反馈确认消息中携带不活跃连接态的终端标识。
可选地，在本公开的实施方式中，在所述终端发送上行初始传输后，所述方法还包括：所述终端缓存在所述上行初始传输上已发送的数据包；
相应地，在步骤S320(在所述终端接收确认所述上行初始传输的反馈确 认消息)之后，所述方法还包括：
如果所述终端正确接收接入设备的反馈确认消息，所述终端清空缓存的数据包；
如果所述终端没有正确接收接入设备的反馈确认消息，所述终端在后续上行竞争资源上继续发送缓存的数据包。
可选地，在本公开的实施方式中，所述方法还包括：
当所述终端在上行竞争资源上尝试发送缓存的数据包达到规定的最大尝试次数仍未成功时，所述终端停止尝试发送缓存的数据包，并通知终端高层数据传输失败。
可选地，在本公开的实施方式中，在步骤S320(在所述终端接收确认所述上行初始传输的反馈确认消息)之后，所述方法还包括：
当所述反馈确认消息中携带有不活跃连接态的终端标识时，所述终端针对所述接入设备的反馈确认消息发送ACK反馈，参见图4；
其中，与所述ACK反馈相关的HARQ反馈资源位置与接入设备发送的反馈确认消息资源位置对应，与所述ACK反馈相关的ACK序列与所述接入设备反馈确认消息的资源和/或终端空口传输唯一标识关联；或者
当所述反馈确认消息中携带有终端空口传输唯一标识时，所述终端根据后续上行调度发送上行传输，其中，所述后续上行调度是指由接入设备用所述终端空口传输唯一标识为所述终端进行的上行调度。
可选地，在本公开的实施方式中，所述方法还包括：
所述终端判断所述上行数据的业务类型；
如果所述上行数据的业务是突发小数据包业务，不触发所述终端进入连接态，如果所述上行数据的业务是连续业务，触发所述终端进入连接态；
或
所述终端判断需要发送的上行数据的数据量，
如果所述上行数据的数据量小于预设门限值，不触发所述终端进入连接态，如果所述上行数据的数据量大于预设门限值，触发所述终端进入连接态。
在本实施例中，当处于不活跃连接态的终端有上行数据到达时，所述终端在区域内可用的上行竞争资源上发送携带所述终端的不活跃连接态的终端标 识的上行初始传输；所述终端接收确认所述上行初始传输的反馈确认消息，提供了在终端处于Inactive态下快速进行上行数据传输的实施方式，进一步地，由于处于Inactive态的终端可将小数据包发送至接入设备，避免终端状态的跃迁而产生的信令开销，而且还能灵活确定终端是否需要状态跃迁，进一步降低不必要的信令开销。
下面结合图1或图2所示的应用场景，参考图5来描述根据本公开示例性实施方式的上行数据传输的方法。需要注意的是，上述应用场景仅是为了便于理解本公开的精神和原理而示出，本公开的实施方式在此方面不受任何限制。相反，本公开的实施方式可以应用于适用的任何场景。
图5示意性地示出了根据发明的实施方式中上行数据传输的方法的一实施例的流程图，该方法的执行主体为接入设备。
步骤S510、接入设备接收携带有终端的不活跃连接态的终端标识的上行初始传输，所述上行初始传输是当处于不活跃连接态的终端有上行数据到达时，由所述终端在区域内可用的上行竞争资源上发送的；
上述在区域内可用的上行竞争资源是指：一个区域内的所有接入设备都预留作为上行竞争传输的资源。该区域至少是该终端活跃连接态的终端标识(例如Inactive UE ID)有效的区域，也可以是个更大的区域。
上述上行竞争资源可以是所有终端可用，也可以是特定类型终端、或特定能力终端、或传输特定业务的终端可用，当然也并不限于此。
上述上行竞争资源有一组或多组，其中，每组的所述上行竞争资源配置内容包括以下一项或多项：上行竞争资源的时频域资源位置；上行竞争资源调度和数据传输使用的加扰序列码；上行竞争资源适用的终端类型；上行竞争资源适用的终端能力等级；和上行竞争资源适用的业务类型；
所述上行竞争资源的配置方式为以下任意一种：通过系统消息广播配置；通过终端预配置；以及，终端进入不活跃连接态之前，在连接态时，通过专用信令配置。
所述上行初始传输的内容包括以下一项或多项：不活跃连接态的终端标识；终端是否要进入连接态的标识；终端发送给接入设备的小数据包；以及BSR(缓冲区状态报告)，其中，BSR内容为当前终端待发送的缓存数据量，或者 空的BSR。
步骤S520、所述接入设备发送确认所述上行初始传输的反馈确认消息。
如果所述终端需要进入连接态，所述反馈确认消息中携带：不活跃连接态的终端标识和/或终端空口传输唯一标识；
如果所述终端不需要进入连接态，所述反馈确认消息中携带不活跃连接态的终端标识。
可选地，在本公开的实施方式中，在所述接入设备发送确认所述上行初始传输的反馈确认消息之后，所述方法还包括：
当所述反馈确认消息中携带有不活跃连接态的终端标识时，所述接入设备接收所述终端针对所述反馈确认消息发送的ACK反馈；
其中，与所述ACK反馈相关的HARQ反馈资源位置与接入设备发送的反馈确认消息资源位置对应，与所述ACK反馈相关的ACK序列与所述接入设备反馈确认消息的资源和/或终端空口传输唯一标识关联；或者
当所述反馈确认消息中携带有终端空口传输唯一标识时，所述接入设备用所述终端空口传输唯一标识为所述终端调度上行传输。
可选地，在本公开的实施方式中，所述方法还包括：
所述接入设备判断终端是否需要进入连接态；
当所述接入设备接收的上行初始传输中包括终端要进入连接态的标识，且该标识显示终端需要进入连接态时，判定终端需要进入连接态；或
当所述接入设备接收的上行初始传输中包括BSR，BSR显示当前终端待发送的缓存数据量，该缓存数据量不为空时，判定终端需要进入连接态。
在本实施例中，当处于不活跃连接态的终端有上行数据到达时，所述终端在区域内可用的上行竞争资源上发送携带所述终端的不活跃连接态的终端标识的上行初始传输；所述终端接收确认所述上行初始传输的反馈确认消息，提供了在终端处于Inactive态下快速进行上行数据传输的实施方式，进一步地，由于处于Inactive态的终端可将小数据包发送至接入设备，避免终端状态的跃迁而产生的信令开销，而且还能灵活确定终端是否需要状态跃迁，进一步降低不必要的信令开销。
在本公开的实施例中，可应用的场景是：终端发送单次小数据包，具体步 骤如下：
步骤一：终端在区域内可用的上行竞争资源发送上行初始传输，上行初始传输中包括：
不活跃连接态的终端标识，用于标识终端身份，例如：Inactive UE ID
终端是否要进入连接态的标识Ci，该域可选，一种设计是如果终端发送BSR(buffer status report，缓存状态报告)则认为需要进入连接态；如果发送完整小数据包不带BSR或带空BSR上报则不需要进入连接态。在本实施例中，由Ci指示终端不需进入连接态，或，上行传输不报BSR或带空BSR；
发送给接入设备的小数据包。
步骤二：接入设备发送反馈确认消息，反馈确认消息中携带该终端的不活跃连接态的终端标识，例如Inactive UE ID。
步骤三：终端针对基站反馈确认消息发送ACK反馈。HARQ反馈资源位置与基站发送的反馈确认消息资源位置对应，该ACK序列可以与基站发送反馈确认消息的资源和/或不活跃连接态的终端标识关联。
需要说明的是，步骤三是可选步骤。
进一步，终端发送上行初始传输后，缓存在该传输上已发送的数据包，
如果正确接收基站反馈确认消息，可以清空该缓存；
如果终端没有正确接收基站反馈确认消息，继续在后续上行竞争资源上发送该数据包，重复步骤一～三。可以进一步限定：终端在上行竞争资源上的传输达到规定的最大尝试次数仍未成功，则停止尝试并通知高层，认为链路不可信，无法正确传输。
在本公开的实施例中，可应用的场景是：终端需要进入连接态(通过Ci指示)，具体步骤如下：
步骤一：终端在区域内可用的上行竞争资源发送上行初始传输，上行初始传输中包括：
不活跃连接态的终端标识，用于标识终端身份，例如：Inactive UE ID；
终端是否要进入连接态的标识Ci，在实施例中该标识可以指示终端需要进入连接态；
发送给接入设备的数据包和/或BSR上报。
步骤二：接入设备发送反馈确认消息，反馈确认消息中携带：
不活跃连接态的终端标识(例如：Inactive UE ID)，用于向终端确认反馈，同时解决竞争。
终端空口传输唯一标识，该标识用于终端进入连接态后进行数据调度传输，终端接收到携带终端空口传输唯一标识的接入设备反馈确认消息后，生效接入设备分配的终端空口传输唯一标识，进入连接态。
步骤三：终端针对接入设备反馈确认消息发送ACK反馈。HARQ反馈资源位置与接入设备发送的反馈确认消息资源位置对应，该ACK序列可以与接入设备发送反馈确认消息的资源和/或终端空口传输唯一标识关联。或者接入设备用该终端空口传输唯一标识为终端调度上行传输，如果终端根据后续上行调度发送上行传输则认为同时完成了终端确认过程。
需要说明的是，步骤三是可选步骤。
进一步，终端发送上行初始传输后，缓存在该传输上已发送的数据包，
如果正确接收接入设备反馈确认消息，可以清空该缓存；
如果终端没有正确接收基站反馈确认消息，继续在后续上行竞争资源上发送该数据包，重复步骤一～步骤三。可以进一步限定：终端在上行竞争资源上的传输达到规定的最大尝试次数仍未成功，则停止尝试并通知高层，认为链路不可信，无法正确传输。
在本公开的实施例中，可应用的场景是：终端需要进入连接态(通过BSR指示)，具体步骤如下：
步骤一：终端在区域内可用的上行竞争资源发送上行初始传输，上行初始传输中包括：
不活跃连接态的终端标识，用于标识终端身份，例如：Inactive UE ID；
BSR上报；
发送给基站的数据包(可选)。
步骤二：接入设备发送反馈确认消息，反馈确认消息中携带：
不活跃连接态的终端标识(例如Inactive UE ID)，用于向终端确认反馈，同时解决竞争。
终端空口传输唯一标识，该标识用于终端进入连接态后进行数据调度传输， 终端接收到携带终端空口传输唯一标识的接入设备反馈确认消息后，生效接入设备分配的终端空口传输唯一标识，进入连接态。
步骤三：终端针对基站反馈确认消息发送ACK反馈。HARQ反馈资源位置与基站发送的反馈确认消息资源位置对应，该ACK序列可以与基站发送反馈确认消息的资源和/或终端空口传输唯一标识关联。或者，接入设备用该终端空口传输唯一标识为终端调度上行传输，如果终端根据后续上行调度发送上行传输则认为同时完成了终端确认过程。
需要说明的是，步骤三是可选步骤。
进一步，终端发送上行初始传输后，缓存在该传输上已发送的数据包，
如果正确接收接入设备反馈确认消息，可以清空该缓存；
如果终端没有正确接收接入设备反馈确认消息，继续在后续上行竞争资源上发送该数据包，重复步骤一～步骤三。可以进一步限定：终端在上行竞争资源上的传输达到规定的最大尝试次数仍未成功，则停止尝试并通知高层，认为链路不可信，无法正确传输。
在上述实施例中任意一个实施例的基础上，该方法还可以包括：上行竞争资源配置，具体如下：
终端用于发送上行初始传输的上行竞争资源是区域内有效的，该区域至少是该终端Inactive UE ID有效的区域，也可以是个更大的区域。
上行竞争资源可以有一组或多组，其配置内容可以包括以下一项或多项：
上行竞争资源的时频域资源位置(必选)；
上行竞争资源调度和数据传输使用的加扰序列码CB-RNTI；
上行竞争资源适用的终端类型；
上行竞争资源适用的终端能力等级；
上行竞争资源适用的业务类型。
上行竞争资源配置方式可以为以下任意一种：
系统消息广播；
终端预配置；
终端进入Inactive态之前，在连接态时，基站专用信令配置。
在上述实施例中任意一个实施例的基础上，终端判决终端是否要进入连接 态，具体地：
上行数据到达，终端判断该数据业务类型，是属于突发小数据包业务还是连续业务，如果是突发小数据包业务，不触发终端进入连接态，如果是连续业务，触发终端进入连接态；
或
上行数据到达，终端判断需要发送的上行数据量，如果该数据量小于预设门限值，不触发终端进入连接态，如果该数据量大于预设门限值，触发终端进入连接态。该数据门限可以是协议规定或终端预配置或网络侧通过广播或专用信令方式通知终端的。
参见图6，图中示出了一种终端，所述终端包括：
发送模块601，用于当处于不活跃连接态的终端有上行数据到达时，在区域内可用的上行竞争资源上发送携带所述终端的不活跃连接态的终端标识的上行初始传输；
上述在区域内可用的上行竞争资源是指：一个区域内的所有接入设备都预留作为上行竞争传输的资源。该区域至少是该终端活跃连接态的终端标识(例如Inactive UE ID)有效的区域，也可以是个更大的区域。
上述上行竞争资源可以是所有终端可用，也可以是特定类型终端、或特定能力终端、或传输特定业务的终端可用，当然也并不限于此。
上述上行竞争资源有一组或多组，其中，每组的所述上行竞争资源配置内容包括以下一项或多项：上行竞争资源的时频域资源位置；上行竞争资源调度和数据传输使用的加扰序列码；上行竞争资源适用的终端类型；上行竞争资源适用的终端能力等级；和上行竞争资源适用的业务类型；
所述上行竞争资源的配置方式为以下任意一种：通过系统消息广播配置；通过终端预配置；以及，终端进入不活跃连接态之前，在连接态时，通过专用信令配置。
所述上行初始传输的内容包括以下一项或多项：不活跃连接态的终端标识；终端是否要进入连接态的标识；终端发送给接入设备的小数据包；以及BSR(缓冲区状态报告)，其中，BSR内容为当前终端待发送的缓存数据量，或者空的BSR。
接收模块602，用于接收确认所述上行初始传输的反馈确认消息。
如果所述终端需要进入连接态，所述反馈确认消息中携带：不活跃连接态的终端标识和/或终端空口传输唯一标识；
如果所述终端不需要进入连接态，所述反馈确认消息中携带不活跃连接态的终端标识。
可选地，所述终端还包括：
缓存模块，用于所述终端发送上行初始传输后，缓存在所述上行初始传输上已发送的数据包；
清空模块，用于如果所述终端正确接收接入设备的反馈确认消息，清空缓存的数据包；
所述发送模块还用于如果所述终端没有正确接收接入设备的反馈确认消息，在后续上行竞争资源上继续发送缓存的数据包。
可选地，所述终端还包括：
通知模块，用于当所述终端在上行竞争资源上尝试发送缓存的数据包达到规定的最大尝试次数仍未成功时，停止尝试发送缓存的数据包，并通知终端高层数据传输失败。
可选地，所述终端还包括：
反馈模块，用于当所述反馈确认消息中携带有不活跃连接态的终端标识时，针对所述接入设备的反馈确认消息发送ACK反馈；
其中，与所述ACK反馈相关的HARQ反馈资源位置与接入设备发送的反馈确认消息资源位置对应，与所述ACK反馈相关的ACK序列与所述接入设备反馈确认消息的资源和/或终端空口传输唯一标识关联；或者
所述发送模块，还用于当所述反馈确认消息中携带有终端空口传输唯一标识时，所述终端根据后续上行调度发送上行传输，其中，所述后续上行调度是指由接入设备用所述终端空口传输唯一标识为所述终端进行的上行调度。
可选地，所述终端还包括：
判断模块，用于判断所述上行数据的业务类型；
如果所述上行数据的业务是突发小数据包业务，不触发所述终端进入连接态，如果所述上行数据的业务是连续业务，触发所述终端进入连接态；
或
判断模块，用于判断需要发送的上行数据的数据量，
如果所述上行数据的数据量小于预设门限值，不触发所述终端进入连接态，如果所述上行数据的数据量大于预设门限值，触发所述终端进入连接态。
当处于不活跃连接态的终端有上行数据到达时，所述终端在区域内可用的上行竞争资源上发送携带所述终端的不活跃连接态的终端标识的上行初始传输；所述终端接收确认所述上行初始传输的反馈确认消息，提供了在终端处于Inactive态下快速进行上行数据传输的实施方式，进一步地，由于处于Inactive态的终端可将小数据包发送至接入设备，避免终端状态的跃迁而产生的信令开销，而且还能灵活确定终端是否需要状态跃迁，进一步降低不必要的信令开销。
参见图7，图中示出了一种接入设备，该接入设备包括：
接收模块701，用于接收携带有终端的不活跃连接态的终端标识的上行初始传输，所述上行初始传输是当处于不活跃连接态的终端有上行数据到达时，由所述终端在区域内可用的上行竞争资源上发送的；
上述在区域内可用的上行竞争资源是指：一个区域内的所有接入设备都预留作为上行竞争传输的资源。该区域至少是该终端活跃连接态的终端标识(例如Inactive UE ID)有效的区域，也可以是个更大的区域。
上述上行竞争资源可以是所有终端可用，也可以是特定类型终端、或特定能力终端、或传输特定业务的终端可用，当然也并不限于此。
上述上行竞争资源有一组或多组，其中，每组的所述上行竞争资源配置内容包括以下一项或多项：上行竞争资源的时频域资源位置；上行竞争资源调度和数据传输使用的加扰序列码；上行竞争资源适用的终端类型；上行竞争资源适用的终端能力等级；和上行竞争资源适用的业务类型；
所述上行竞争资源的配置方式为以下任意一种：通过系统消息广播配置；通过终端预配置；以及，终端进入不活跃连接态之前，在连接态时，通过专用信令配置。
所述上行初始传输的内容包括以下一项或多项：不活跃连接态的终端标识；终端是否要进入连接态的标识；终端发送给接入设备的小数据包；以及BSR(缓冲区状态报告)，其中，BSR内容为当前终端待发送的缓存数据量，或者 空的BSR。
发送模块702，用于发送确认所述上行初始传输的反馈确认消息。
如果所述终端需要进入连接态，所述反馈确认消息中携带：不活跃连接态的终端标识和/或终端空口传输唯一标识；
如果所述终端不需要进入连接态，所述反馈确认消息中携带不活跃连接态的终端标识。
可选地，所述接收模块，还用于当所述反馈确认消息中携带有不活跃连接态的终端标识时，接收所述终端针对所述反馈确认消息发送的ACK反馈；
其中，与所述ACK反馈相关的HARQ反馈资源位置与接入设备发送的反馈确认消息资源位置对应，与所述ACK反馈相关的ACK序列与所述接入设备反馈确认消息的资源和/或终端空口传输唯一标识关联；或者
所述接入设备还包括：调度模块，用于当所述反馈确认消息中携带有终端空口传输唯一标识时，用所述终端空口传输唯一标识为所述终端调度上行传输。
可选地，所述接入设备还包括：
判断模块，用于判断终端是否需要进入连接态；
当所述接收模块接收的上行初始传输中包括终端要进入连接态的标识，且该标识显示终端需要进入连接态时，判定终端需要进入连接态；或
当所述接收模块接收的上行初始传输中包括BSR，BSR显示当前终端待发送的缓存数据量，该缓存数据量不为空时，判定终端需要进入连接态。
当处于不活跃连接态的终端有上行数据到达时，所述终端在区域内可用的上行竞争资源上发送携带所述终端的不活跃连接态的终端标识的上行初始传输；所述终端接收确认所述上行初始传输的反馈确认消息，提供了在终端处于Inactive态下快速进行上行数据传输的实施方式，进一步地，由于处于Inactive态的终端可将小数据包发送至接入设备，避免终端状态的跃迁而产生的信令开销，而且还能灵活确定终端是否需要状态跃迁，进一步降低不必要的信令开销。
参见图8，图中示出了一种终端，包括：处理器804、存储器805和收发机801。
存储器805，用于存储所述处理器804在执行操作时所使用的数据。
处理器804，用于读取存储器805中的程序，执行下列过程：
当处于不活跃连接态的终端有上行数据到达时，在区域内可用的上行竞争资源上发送携带所述终端的不活跃连接态的终端标识的上行初始传输；接收确认所述上行初始传输的反馈确认消息。
收发机801，用于在处理器804的控制下接收和发送数据。
在图8中，总线架构(用总线800来代表)，总线800可以包括任意数量的互联的总线和桥，总线800将包括由处理器804代表的一个或多个处理器和存储器805代表的存储器的各种电路链接在一起。总线800还可以将诸如外围设备、稳压器和功率管理电路等之类的各种其他电路链接在一起，这些都是本领域所公知的，因此，本文不再对其进行进一步描述。总线接口803在总线800和收发机801之间提供接口。收发机801可以是一个元件，也可以是多个元件，比如多个接收器和发送器，提供用于在传输介质上与各种其他装置通信的单元。经处理器804处理的数据通过天线802在无线介质上进行传输，进一步，天线802还接收数据并将数据传送给处理器804。
处理器804负责管理总线800和通常的处理，还可以提供各种功能，包括定时，外围接口，电压调节、电源管理以及其他控制功能。而存储器805可以被用于存储处理器804在执行操作时所使用的数据。
可选的，处理器804可以是CPU、ASIC、FPGA或CPLD。
上述在区域内可用的上行竞争资源是指：一个区域内的所有接入设备都预留作为上行竞争传输的资源。该区域至少是该终端活跃连接态的终端标识(例如Inactive UE ID)有效的区域，也可以是个更大的区域。
上述上行竞争资源可以是所有终端可用，也可以是特定类型终端、或特定能力终端、或传输特定业务的终端可用，当然也并不限于此。
上述上行竞争资源有一组或多组，其中，每组的所述上行竞争资源配置内容包括以下一项或多项：上行竞争资源的时频域资源位置；上行竞争资源调度和数据传输使用的加扰序列码；上行竞争资源适用的终端类型；上行竞争资源适用的终端能力等级；和上行竞争资源适用的业务类型；
所述上行竞争资源的配置方式为以下任意一种：通过系统消息广播配置；通过终端预配置；以及，终端进入不活跃连接态之前，在连接态时，通过专用信令配置。
所述上行初始传输的内容包括以下一项或多项：不活跃连接态的终端标识；终端是否要进入连接态的标识；终端发送给接入设备的小数据包；以及BSR(缓冲区状态报告)，其中，BSR内容为当前终端待发送的缓存数据量，或者空的BSR。
如果所述终端需要进入连接态，所述反馈确认消息中携带：不活跃连接态的终端标识和/或终端空口传输唯一标识；
如果所述终端不需要进入连接态，所述反馈确认消息中携带不活跃连接态的终端标识。
可选地，处理器804，还用于所述终端发送上行初始传输后，缓存在所述上行初始传输上已发送的数据包；如果所述终端正确接收接入设备的反馈确认消息，清空缓存的数据包；
处理器804，还用于如果所述终端没有正确接收接入设备的反馈确认消息，在后续上行竞争资源上继续发送缓存的数据包。
可选地，处理器804，还用于当所述终端在上行竞争资源上尝试发送缓存的数据包达到规定的最大尝试次数仍未成功时，停止尝试发送缓存的数据包，并通知终端高层数据传输失败。
可选地，处理器804，还用于当所述反馈确认消息中携带有不活跃连接态的终端标识时，针对所述接入设备的反馈确认消息发送ACK反馈；
其中，与所述ACK反馈相关的HARQ反馈资源位置与接入设备发送的反馈确认消息资源位置对应，与所述ACK反馈相关的ACK序列与所述接入设备反馈确认消息的资源和/或终端空口传输唯一标识关联；或者
可选地，处理器804，还用于当所述反馈确认消息中携带有终端空口传输唯一标识时，所述终端根据后续上行调度发送上行传输，其中，所述后续上行调度是指由接入设备用所述终端空口传输唯一标识为所述终端进行的上行调度。
可选地，处理器804，还用于判断所述上行数据的业务类型；
如果所述上行数据的业务是突发小数据包业务，不触发所述终端进入连接态，如果所述上行数据的业务是连续业务，触发所述终端进入连接态；
或
可选地，处理器804，还用于判断需要发送的上行数据的数据量，
如果所述上行数据的数据量小于预设门限值，不触发所述终端进入连接态，如果所述上行数据的数据量大于预设门限值，触发所述终端进入连接态。
当处于不活跃连接态的终端有上行数据到达时，所述终端在区域内可用的上行竞争资源上发送携带所述终端的不活跃连接态的终端标识的上行初始传输；所述终端接收确认所述上行初始传输的反馈确认消息，提供了在终端处于Inactive态下快速进行上行数据传输的实施方式，进一步地，由于处于Inactive态的终端可将小数据包发送至接入设备，避免终端状态的跃迁而产生的信令开销，而且还能灵活确定终端是否需要状态跃迁，进一步降低不必要的信令开销。
参见图9，图中示出了一种终端，包括处理器904、存储器905和收发机901：。
存储器905，用于存储所述处理器904在执行操作时所使用的数据。
处理器904，用于读取存储器905中的程序，执行下列过程：
接收携带有终端的不活跃连接态的终端标识的上行初始传输，所述上行初始传输是当处于不活跃连接态的终端有上行数据到达时，由所述终端在区域内可用的上行竞争资源上发送的，发送确认所述上行初始传输的反馈确认消息。
收发机901，用于在处理器904的控制下接收和发送数据。
在图9中，总线架构(用总线900来代表)，总线900可以包括任意数量的互联的总线和桥，总线900将包括由处理器904代表的一个或多个处理器和存储器905代表的存储器的各种电路链接在一起。总线900还可以将诸如外围设备、稳压器和功率管理电路等之类的各种其他电路链接在一起，这些都是本领域所公知的，因此，本文不再对其进行进一步描述。总线接口903在总线900和收发机901之间提供接口。收发机901可以是一个元件，也可以是多个元件，比如多个接收器和发送器，提供用于在传输介质上与各种其他装置通信的单元。经处理器904处理的数据通过天线902在无线介质上进行传输，进一步，天线902还接收数据并将数据传送给处理器904。
处理器904负责管理总线900和通常的处理，还可以提供各种功能，包括定时，外围接口，电压调节、电源管理以及其他控制功能。而存储器905可以被用于存储处理器904在执行操作时所使用的数据。
可选的，处理器904可以是CPU、ASIC、FPGA或CPLD。
上述上行竞争资源可以是所有终端可用，也可以是特定类型终端、或特定能力终端、或传输特定业务的终端可用，当然也并不限于此。
上述上行竞争资源有一组或多组，其中，每组的所述上行竞争资源配置内容包括以下一项或多项：上行竞争资源的时频域资源位置；上行竞争资源调度和数据传输使用的加扰序列码；上行竞争资源适用的终端类型；上行竞争资源适用的终端能力等级；和上行竞争资源适用的业务类型；
所述上行竞争资源的配置方式为以下任意一种：通过系统消息广播配置；通过终端预配置；以及，终端进入不活跃连接态之前，在连接态时，通过专用信令配置。
所述上行初始传输的内容包括以下一项或多项：不活跃连接态的终端标识；终端是否要进入连接态的标识；终端发送给接入设备的小数据包；以及BSR(缓冲区状态报告)，其中，BSR内容为当前终端待发送的缓存数据量，或者空的BSR。
可选地，处理器904，还用于当所述反馈确认消息中携带有不活跃连接态的终端标识时，接收所述终端针对所述反馈确认消息发送的ACK反馈；
其中，与所述ACK反馈相关的HARQ反馈资源位置与接入设备发送的反馈确认消息资源位置对应，与所述ACK反馈相关的ACK序列与所述接入设备反馈确认消息的资源和/或终端空口传输唯一标识关联；或者
可选地，处理器904，还用于当所述反馈确认消息中携带有终端空口传输唯一标识时，用所述终端空口传输唯一标识为所述终端调度上行传输。
可选地，处理器904，还用于判断终端是否需要进入连接态，
当所述接入设备接收的上行初始传输中包括终端要进入连接态的标识，且该标识显示终端需要进入连接态时，判定终端需要进入连接态；或
当所述接入设备接收的上行初始传输中包括BSR，BSR显示当前终端待发送的缓存数据量，该缓存数据量不为空时，判定终端需要进入连接态。
当处于不活跃连接态的终端有上行数据到达时，所述终端在区域内可用的上行竞争资源上发送携带所述终端的不活跃连接态的终端标识的上行初始传输；所述终端接收确认所述上行初始传输的反馈确认消息，提供了在终端处于 Inactive态下快速进行上行数据传输的实施方式，进一步地，由于处于Inactive态的终端可将小数据包发送至接入设备，避免终端状态的跃迁而产生的信令开销，而且还能灵活确定终端是否需要状态跃迁，进一步降低不必要的信令开销。
应理解，说明书通篇中提到的“一个实施例”或“一实施例”意味着与实施例有关的特定特征、结构或特性包括在本公开的至少一个实施例中。因此，在整个说明书各处出现的“在一个实施例中”或“在一实施例中”未必一定指相同的实施例。此外，这些特定的特征、结构或特性可以任意适合的方式结合在一个或多个实施例中。
在本公开的各种实施例中，应理解，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，而不应对本公开实施例的实施过程构成任何限定
另外，本文中术语“系统”和“网络”在本文中常可互换使用。
应理解，本文中术语“和/或”，仅仅是一种描述关联对象的关联关系，表示可以存在三种关系，例如，A和/或B，可以表示：单独存在A，同时存在A和B，单独存在B这三种情况。另外，本文中字符“/”，一般表示前后关联对象是一种“或”的关系。
在本申请所提供的实施例中，应理解，“与A相应的B”表示B与A相关联，根据A可以确定B。但还应理解，根据A确定B并不意味着仅仅根据A确定B，还可以根据A和/或其它信息确定B。
在本申请所提供的几个实施例中，应该理解到，所揭露方法和装置，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，所述单元的划分，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。
另外，在本公开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包括，也可以两个或两个以上单元集成在一个单元中。上述集成的单元既可以采用硬件的形式实现，也可以采用硬件加软件功能 单元的形式实现。
上述以软件功能单元的形式实现的集成的单元，可以存储在一个计算机可读取存储介质中。上述软件功能单元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)执行本公开各个实施例所述收发方法的部分步骤。而前述的存储介质包括：U盘、移动硬盘、只读存储器(Read-Only Memory，简称ROM)、随机存取存储器(Random Access Memory，简称RAM)、磁碟或者光盘等各种可以存储程序代码的介质。
以上所述的是本公开的优选实施方式，应当指出对于本技术领域的普通人员来说，在不脱离本公开所述的原理前提下还可以做出若干改进和润饰，这些改进和润饰也在本公开的保护范围内。

Claims (30)

  1. 一种上行数据传输的方法，所述方法包括：
    当处于不活跃连接态的终端有上行数据到达时，所述终端在区域内可用的上行竞争资源上发送携带所述终端的不活跃连接态的终端标识的上行初始传输；
    所述终端接收确认所述上行初始传输的反馈确认消息。
  2. 根据权利要求1所述的方法，其中，
    所述区域至少是该终端不活跃连接态的终端标识有效的区域；
    所述上行竞争资源有一组或多组，其中，每组的所述上行竞争资源配置内容包括以下一项或多项：
    上行竞争资源的时频域资源位置；
    上行竞争资源调度和数据传输使用的加扰序列码；
    上行竞争资源适用的终端类型；
    上行竞争资源适用的终端能力等级；
    上行竞争资源适用的业务类型；
    所述上行竞争资源的配置方式为以下任意一种：
    通过系统消息广播配置；
    通过终端预配置；
    终端进入不活跃连接态之前，在连接态时，通过专用信令配置。
  3. 根据权利要求1所述的方法，其中，所述上行初始传输的内容包括以下一项或多项：
    不活跃连接态的终端标识；
    终端是否要进入连接态的标识；
    终端发送给接入设备的小数据包；
    BSR，BSR内容为当前终端待发送的缓存数据量，或者空的BSR。
  4. 根据权利要求1所述的方法，其中，
    如果所述终端需要进入连接态，所述反馈确认消息中携带：不活跃连接态的终端标识和/或终端空口传输唯一标识；
    如果所述终端不需要进入连接态，所述反馈确认消息中携带不活跃连接态的终端标识。
  5. 根据权利要求1所述的方法，在所述终端发送所述上行初始传输之后，所述方法还包括：
    所述终端缓存在所述上行初始传输上已发送的数据包；
    在所述终端接收确认所述上行初始传输的反馈确认消息之后，所述方法还包括：
    如果所述终端正确接收接入设备的反馈确认消息，所述终端清空缓存的数据包；
    如果所述终端没有正确接收接入设备的反馈确认消息，所述终端在后续上行竞争资源上继续发送缓存的数据包。
  6. 根据权利要求5所述的方法，其中，所述方法还包括：
    当所述终端在上行竞争资源上尝试发送缓存的数据包达到规定的最大尝试次数仍未成功时，所述终端停止尝试发送缓存的数据包，并通知终端高层数据传输失败。
  7. 根据权利要求1所述的方法，其中，在所述终端接收接入设备发送的确认所述上行初始传输的反馈确认消息之后，所述方法还包括：
    当所述反馈确认消息中携带有不活跃连接态的终端标识时，所述终端针对所述接入设备的反馈确认消息发送ACK反馈，其中，与所述ACK反馈相关的HARQ反馈资源位置与接入设备发送的反馈确认消息资源位置对应，与所述ACK反馈相关的ACK序列与所述接入设备反馈确认消息的资源和/或终端空口传输唯一标识关联；或者
    当所述反馈确认消息中携带有终端空口传输唯一标识时，所述终端根据后续上行调度发送上行传输，其中，所述后续上行调度是指由接入设备用所述终端空口传输唯一标识为所述终端进行的上行调度。
  8. 根据权利要求1所述的方法，其中，所述方法还包括：
    所述终端判断所述上行数据的业务类型；
    如果所述上行数据的业务是突发小数据包业务，不触发所述终端进入连接态，如果所述上行数据的业务是连续业务，触发所述终端进入连接态；
    或
    所述终端判断需要发送的上行数据的数据量，
    如果所述上行数据的数据量小于预设门限值，不触发所述终端进入连接态，如果所述上行数据的数据量大于预设门限值，触发所述终端进入连接态。
  9. 一种上行数据传输的方法，所述方法包括：
    接入设备接收携带有终端的不活跃连接态的终端标识的上行初始传输，所述上行初始传输是当处于不活跃连接态的终端有上行数据到达时，由所述终端在区域内可用的上行竞争资源上发送的；
    所述接入设备发送确认所述上行初始传输的反馈确认消息。
  10. 根据权利要求9所述的方法，其中，
    所述区域至少是该终端不活跃连接态的终端标识有效的区域；
    所述上行竞争资源有一组或多组，其中，每组的所述上行竞争资源配置内容包括以下一项或多项：
    上行竞争资源的时频域资源位置；
    上行竞争资源调度和数据传输使用的加扰序列码；
    上行竞争资源适用的终端类型；
    上行竞争资源适用的终端能力等级；
    上行竞争资源适用的业务类型；
    所述上行竞争资源的配置方式为以下任意一种：
    通过系统消息广播配置；
    通过终端预配置；
    终端进入不活跃连接态之前，在连接态时，通过接入设备专用信令配置。
  11. 根据权利要求9所述的方法，其中，所述上行初始传输的内容包括以下一项或多项：
    不活跃连接态的终端标识；
    终端是否要进入连接态的标识；
    终端发送给接入设备的小数据包；
    BSR，BSR内容为当前终端待发送的缓存数据量，或者空的BSR。
  12. 根据权利要求9所述的方法，其中，
    如果所述终端需要进入连接态，所述反馈确认消息中携带：不活跃连接态的终端标识和/或终端空口传输唯一标识；
    如果所述终端不需要进入连接态，所述反馈确认消息中携带不活跃连接态的终端标识。
  13. 根据权利要求9所述的方法，在所述接入设备发送确认所述上行初始传输的反馈确认消息之后，所述方法还包括：
    当所述反馈确认消息中携带有不活跃连接态的终端标识时，所述接入设备接收所述终端针对所述反馈确认消息发送的ACK反馈；
    其中，与所述ACK反馈相关的HARQ反馈资源位置与接入设备发送的反馈确认消息资源位置对应，与所述ACK反馈相关的ACK序列与所述接入设备反馈确认消息的资源和/或终端空口传输唯一标识关联；或者
    当所述反馈确认消息中携带有终端空口传输唯一标识时，所述接入设备用所述终端空口传输唯一标识为所述终端调度上行传输。
  14. 根据权利要求11所述的方法，所述方法还包括：
    所述接入设备判断终端是否需要进入连接态，
    当所述接入设备接收的上行初始传输中包括终端要进入连接态的标识，且该标识显示终端需要进入连接态时，判定终端需要进入连接态；或
    当所述接入设备接收的上行初始传输中包括BSR，BSR显示当前终端待发送的缓存数据量，该缓存数据量不为空时，判定终端需要进入连接态。
  15. 一种终端，所述终端包括：
    发送模块，用于当处于不活跃连接态的终端有上行数据到达时，在区域内可用的上行竞争资源上发送携带所述终端的不活跃连接态的终端标识的上行初始传输；
    接收模块，用于接收确认所述上行初始传输的反馈确认消息。
  16. 根据权利要求15所述的终端，其中，
    所述区域至少是该终端不活跃连接态的终端标识有效的区域；
    所述上行竞争资源有一组或多组，其中，每组的所述上行竞争资源配置内容包括以下一项或多项：
    上行竞争资源的时频域资源位置；
    上行竞争资源调度和数据传输使用的加扰序列码；
    上行竞争资源适用的终端类型；
    上行竞争资源适用的终端能力等级；
    上行竞争资源适用的业务类型；
    所述上行竞争资源的配置方式为以下任意一种：
    通过系统消息广播配置；
    通过终端预配置；
    终端进入不活跃连接态之前，在连接态时，通过专用信令配置。
  17. 根据权利要求15所述的终端，其中，所述上行初始传输的内容包括以下一项或多项：
    不活跃连接态的终端标识；
    终端是否要进入连接态的标识；
    终端发送给接入设备的小数据包；
    BSR，BSR内容为当前终端待发送的缓存数据量，或者空的BSR。
  18. 根据权利要求15所述的终端，其中，
    如果所述终端需要进入连接态，所述反馈确认消息中携带：不活跃连接态的终端标识和/或终端空口传输唯一标识；
    如果所述终端不需要进入连接态，所述反馈确认消息中携带不活跃连接态的终端标识。
  19. 根据权利要求15所述的终端，所述终端还包括：
    缓存模块，用于所述终端发送上行初始传输后，缓存在所述上行初始传输上已发送的数据包；
    清空模块，用于如果所述终端正确接收接入设备的反馈确认消息，清空缓存的数据包；
    所述发送模块还用于如果所述终端没有正确接收接入设备的反馈确认消息，在后续上行竞争资源上继续发送缓存的数据包。
  20. 根据权利要求19所述的终端，所述终端还包括：
    通知模块，用于当所述终端在上行竞争资源上尝试发送缓存的数据包达到规定的最大尝试次数仍未成功时，停止尝试发送缓存的数据包，并通知终端高 层数据传输失败。
  21. 根据权利要求15所述的终端，所述终端还包括：
    反馈模块，用于当所述反馈确认消息中携带有不活跃连接态的终端标识时，针对接入设备的反馈确认消息发送ACK反馈；
    其中，与所述ACK反馈相关的HARQ反馈资源位置与接入设备发送的反馈确认消息资源位置对应，与所述ACK反馈相关的ACK序列与所述接入设备反馈确认消息的资源和/或终端空口传输唯一标识关联；或者
    所述发送模块，还用于当所述反馈确认消息中携带有终端空口传输唯一标识时，所述终端根据后续上行调度发送上行传输，其中，所述后续上行调度是指由接入设备用所述终端空口传输唯一标识为所述终端进行的上行调度。
  22. 根据权利要求15所述的终端，其特征在于，所述终端还包括：
    判断模块，用于判断所述上行数据的业务类型；
    如果所述上行数据的业务是突发小数据包业务，不触发所述终端进入连接态，如果所述上行数据的业务是连续业务，触发所述终端进入连接态；
    或
    判断模块，用于判断需要发送的上行数据的数据量，
    如果所述上行数据的数据量小于预设门限值，不触发所述终端进入连接态，如果所述上行数据的数据量大于预设门限值，触发所述终端进入连接态。
  23. 一种接入设备，包括：
    接收模块，用于接收携带有终端的不活跃连接态的终端标识的上行初始传输，所述上行初始传输是当处于不活跃连接态的终端有上行数据到达时，由所述终端在区域内可用的上行竞争资源上发送的；
    发送模块，用于发送确认所述上行初始传输的反馈确认消息。
  24. 根据权利要求23所述的接入设备，其中，
    所述区域至少是该终端不活跃连接态的终端标识有效的区域；
    所述上行竞争资源有一组或多组，其中，每组的所述上行竞争资源配置内容包括以下一项或多项：
    上行竞争资源的时频域资源位置；
    上行竞争资源调度和数据传输使用的加扰序列码；
    上行竞争资源适用的终端类型；
    上行竞争资源适用的终端能力等级；
    上行竞争资源适用的业务类型；
    所述上行竞争资源的配置方式为以下任意一种：
    通过系统消息广播配置；
    通过终端预配置；
    终端进入不活跃连接态之前，在连接态时，通过接入设备专用信令配置。
  25. 根据权利要求23所述的接入设备，其中，所述上行初始传输的内容包括以下一项或多项：
    不活跃连接态的终端标识；
    终端是否要进入连接态的标识；
    终端发送给接入设备的小数据包；
    BSR，BSR内容为当前终端待发送的缓存数据量，或者空的BSR。
  26. 根据权利要求23所述的接入设备，其中，
    如果所述终端需要进入连接态，所述反馈确认消息中携带：不活跃连接态的终端标识和/或终端空口传输唯一标识；
    如果所述终端不需要进入连接态，所述反馈确认消息中携带不活跃连接态的终端标识。
  27. 根据权利要求23所述的接入设备，其中，
    所述接收模块，还用于当所述反馈确认消息中携带有不活跃连接态的终端标识时，接收所述终端针对所述反馈确认消息发送的ACK反馈；
    其中，与所述ACK反馈相关的HARQ反馈资源位置与接入设备发送的反馈确认消息资源位置对应，与所述ACK反馈相关的ACK序列与所述接入设备反馈确认消息的资源和/或终端空口传输唯一标识关联；或者
    所述接入设备还包括：调度模块，用于当所述反馈确认消息中携带有终端空口传输唯一标识时，用所述终端空口传输唯一标识为所述终端调度上行传输。
  28. 根据权利要求25所述的接入设备，所述接入设备还包括：
    判断模块，用于判断终端是否需要进入连接态，
    当所述接收模块接收的上行初始传输中包括终端要进入连接态的标识，且 该标识显示终端需要进入连接态时，判定终端需要进入连接态；或
    当所述接收模块接收的上行初始传输中包括BSR，BSR显示当前终端待发送的缓存数据量，该缓存数据量不为空时，判定终端需要进入连接态。
  29. 一种终端，所述终端包括处理器、存储器和收发机，
    所述存储器，用于存储所述处理器在执行操作时所使用的数据；
    所述处理器，用于控制收发机发送和接收数据；
    所述收发机，在所述处理器的控制下，用于当处于不活跃连接态的终端有上行数据到达时，在区域内可用的上行竞争资源上发送携带所述终端的不活跃连接态的终端标识的上行初始传输；以及用于接收确认所述上行初始传输的反馈确认消息。
  30. 一种接入设备，包括处理器、存储器和收发机，
    所述存储器，用于存储所述处理器在执行操作时所使用的数据；
    所述处理器，用于控制收发机接收和发送数据；
    所述收发机，在所述处理器的控制下，用于接收携带有终端的不活跃连接态的终端标识的上行初始传输，所述上行初始传输是当处于不活跃连接态的终端有上行数据到达时，由所述终端在区域内可用的上行竞争资源上发送的；以及用于发送确认所述上行初始传输的反馈确认消息。
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