WO2020078245A1 - 一种终端与基站的通信方法和装置 - Google Patents

一种终端与基站的通信方法和装置 Download PDF

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Publication number
WO2020078245A1
WO2020078245A1 PCT/CN2019/110268 CN2019110268W WO2020078245A1 WO 2020078245 A1 WO2020078245 A1 WO 2020078245A1 CN 2019110268 W CN2019110268 W CN 2019110268W WO 2020078245 A1 WO2020078245 A1 WO 2020078245A1
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time
slot
time interval
time slot
interval
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PCT/CN2019/110268
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English (en)
French (fr)
Inventor
陶震
于小博
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阿里巴巴集团控股有限公司
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Publication of WO2020078245A1 publication Critical patent/WO2020078245A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446—Resources in time domain, e.g. slots or frames
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—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
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal

Definitions

  • the present application relates to the field of communication technology, and in particular, to a communication method between a terminal and a base station, and a communication device between a terminal and a base station.
  • LoRa is an ultra-long-distance transmission scheme based on spread spectrum technology in the Internet of Things, which has the characteristics of long transmission distance, low power consumption, multi-node and low cost.
  • the LoRa network usually includes a terminal, a base station, and a server.
  • the working modes of the LoRa terminal include: Class B mode. ClassB mode is suitable for various remote control switch applications.
  • a terminal operating in Class B mode can acquire one or more pulse slots (ping slots) in the beacon period (Beacon_period).
  • the period (pingPeriod) at which the terminal obtains a pulse slot within a beacon period can be calculated and calculated by a preset parameter (for example, the number of pulse slots (pingNb)) in the terminal.
  • the LoRa base station sends a beacon frame (Beacon) to the terminal to achieve time synchronization between the terminal and the network.
  • the first available pulse slot of the terminal appears at the beacon reservation time plus the product of the pulse offset (pingOffset) and a pulse slot length (slotLen).
  • the guard time (Beacon_guard) in class B mode and the beacon reserved time have no pulse slots that can be used for downlink data transmission. In some cases, it will result in failure to meet the low latency requirements of some applications.
  • the embodiments of the present application are proposed in order to provide a communication method of a terminal and a base station and a communication device of the terminal and the base station that overcome the above problems or at least partially solve the above problems.
  • the embodiments of the present application disclose a communication method between a terminal and a base station, including:
  • the terminal receives a first message from the base station through a first time slot, the first time slot is in a first time interval or a second time interval;
  • the starting position of the first time slot is located at the starting time point of the first time interval or satisfies the first time interval and is within the first time interval Any time point where the distance is an integer multiple of the first value;
  • the starting position of the first time slot is located at the time when the first data frame is received, and the first data frame is used to provide time reference information to the terminal.
  • it also includes:
  • the first time slot is an extra pulse time slot.
  • it also includes:
  • the first time interval is a beacon protection time
  • the second time interval is a beacon reserved time
  • it also includes:
  • the first value is the extra pulse slot length plus the first period interval.
  • it also includes:
  • the starting position of the first time slot may also be within the second time interval and the distance from the end time point of receiving the first data frame is an integer multiple of the first value Any point in time
  • An embodiment of the present application also discloses a communication method between a terminal and a base station, including:
  • the base station sends a first message to the terminal through a first time slot, where the first time slot is in a first time interval or a second time interval;
  • the starting position of the first time slot is located at the starting time point of the first time interval or satisfies the first time interval and is within the first time interval Any time point where the distance is an integer multiple of the first value;
  • the starting position of the first time slot is located at the time when the first data frame is received, and the first data frame is used to provide time reference information to the terminal.
  • it also includes:
  • the first time slot is an extra pulse time slot.
  • it also includes:
  • the first time interval is a beacon protection time
  • the second time interval is a beacon reserved time
  • it also includes:
  • the first value is the extra pulse slot length plus the first period interval.
  • it also includes:
  • the starting position of the first time slot may also be within the second time interval and the distance from the end time point of receiving the first data frame is an integer multiple of the first value Any point in time.
  • An embodiment of the present application also discloses a communication device between a terminal and a base station, including:
  • a receiving module located at the terminal, configured to receive a first message from the base station through a first time slot, the first time slot being in a first time interval or a second time interval;
  • the starting position of the first time slot is located at the starting time point of the first time interval or satisfies the first time interval and is within the first time interval Any time point where the distance is an integer multiple of the first value;
  • the starting position of the first time slot is located at the time when the first data frame is received, and the first data frame is used to provide time reference information to the terminal.
  • it also includes:
  • the first time slot is an extra pulse time slot.
  • it also includes:
  • the first time interval is a beacon protection time
  • the second time interval is a beacon reserved time
  • it also includes:
  • the first value is the extra pulse slot length plus the first period interval.
  • it also includes:
  • the starting position of the first time slot may also be within the second time interval and the distance from the end time point of receiving the first data frame is an integer multiple of the first value Any point in time.
  • An embodiment of the present application also discloses a communication device between a terminal and a base station, including:
  • the sending module located at the base station sends a first message to the terminal through a first time slot, the first time slot is in a first time interval or a second time interval;
  • the starting position of the first time slot is located at the starting time point of the first time interval or satisfies the first time interval and is within the first time interval Any time point where the distance is an integer multiple of the first value;
  • the starting position of the first time slot is located at the time when the first data frame is received, and the first data frame is used to provide time reference information to the terminal.
  • it also includes:
  • the first time slot is an extra pulse time slot.
  • it also includes:
  • the first time interval is a beacon protection time
  • the second time interval is a beacon reserved time
  • it also includes:
  • the first value is the extra pulse slot length plus the first period interval.
  • it also includes:
  • the starting position of the first time slot may also be within the second time interval and the distance from the end time point of receiving the first data frame is an integer multiple of the first value Any point in time.
  • An embodiment of the present application also discloses a device, including:
  • One or more processors are One or more processors.
  • One or more machine-readable media having instructions stored thereon, when executed by the one or more processors, cause the apparatus to perform one or more of the methods described above.
  • Embodiments of the present application also disclose one or more machine-readable media on which instructions are stored, which, when executed by one or more processors, cause the device to perform one or more methods as described in the claims.
  • the terminal can obtain additional pulse time slots to receive downlink data during the guard time and beacon reservation time, thereby ensuring services with low latency requirements and improving the interaction between the terminal and the base station effectiveness.
  • FIG. 1 is a flowchart of Embodiment 1 of a communication method between a terminal and a base station according to this application;
  • Embodiment 2 is a flowchart of Embodiment 2 of a communication method between a terminal and a base station according to this application;
  • Embodiment 3 is a structural block diagram of Embodiment 3 of a communication device between a terminal and a base station according to this application;
  • Embodiment 4 is a structural block diagram of Embodiment 4 of a communication device between a terminal and a base station according to this application;
  • FIG. 5 is a schematic diagram of a time slot in class B mode of the present application.
  • the LoRa network consists of terminal nodes, base station nodes and servers.
  • the terminal has the LoRa network connection capability, and accesses the LoRa network.
  • the terminal may include different electronic devices. For example, when the LoRa network is applied to city management, the terminal may include a smart meter; the LoRa network is applied to a digital home At this time, the terminal may include various smart home appliances and so on.
  • a base station also known as a gateway or concentrator in the LoRa network, has a wireless connection aggregation function, including a terminal providing an entrance to the LoRa network, forwarding data from a server or terminal, and implementing data between the terminal and the server Interaction.
  • the base station can also exchange data with other base stations within the signal coverage of the base station by transmitting wireless frames.
  • the server may include a server or server cluster, which is used to perform service processing according to the data acquired from the base station or the terminal, and to control the working mode and working state of the base station or the terminal.
  • One of the core concepts of the embodiments of the present application is that the terminal learns the channel usage scheme of the base station through network access signaling, so as to determine whether the same channel usage scheme can be used to access the network.
  • the communication flow between the terminal and the base station is first introduced from the perspective of the terminal.
  • Embodiment 1 of a method for communication between a terminal and a base station is shown, which may specifically include the following:
  • the terminal receives a first message from the base station through a first time slot, the first time slot is in a first time interval or a second time interval;
  • the starting position of the first time slot is located at the starting time point of the first time interval or satisfies the first time interval and is within the first time interval Any time point where the distance is an integer multiple of the first value;
  • the starting position of the first time slot is located at the time when the first data frame is received, and the first data frame is used to provide time reference information to the terminal.
  • the first time slot may be an extra pulse time slot (extra ping slot).
  • the first message may be any kind of downlink data frame.
  • the first data frame may be a beacon frame (Beacon).
  • the first time interval may be a beacon protection time (BEACON_GUARD).
  • the second time interval may be a beacon reserved time (BEACON_RESERVED).
  • the beacon guard time can contain 3 additional pulse slots.
  • the start time of the first extra pulse slot may be the start time of the beacon protection time.
  • the start time of the second extra pulse time slot may be 0.96 seconds after the end time point of the first pulse time slot.
  • the extra pulse time slot may be 30 ms.
  • the first period interval may be the minimum granularity calculated for one pulse period, for example 0.96s.
  • the pulse period may be 0.96 times 2 to the power of 2.
  • the additional pulse time slot and the first period interval may also take other lengths, which are not specifically limited in this embodiment.
  • the first value is the extra pulse slot length plus the
  • Pulse slots have a higher priority than additional pulse slots. That is, when the time of the pulse time slot conflicts with the time of the extra pulse time slot, the pulse time slot will preempt the time of the extra pulse time slot.
  • Beacon frames have a higher priority than extra pulse slots. That is, when the time of the beacon frame conflicts with the time of the extra pulse slot, the beacon frame will preempt the time of the extra pulse slot.
  • the starting position of the first time slot may also be located within the second time interval, and the distance from the end time point of receiving the first data frame is the first Any point in time that is an integer multiple of the value.
  • the first data frame may also be a downlink data frame sent by the base station to the terminal.
  • the downlink data frame may be a unicast data frame or a multicast data frame.
  • the downstream data frame is sent through an extra pulse slot that is turned on at the same time as the start time of the beacon reservation time.
  • the start time of the extra pulse slot may be the start time of the beacon reserved time.
  • the extra pulse time slot may also be at a time point when the distance from the start time of the beacon reservation time is an integer multiple of the first value, and must satisfy that the extra pulse time slot is included in the beacon reservation time range.
  • the terminal can obtain additional pulse slots during the guard time and beacon reservation time to receive downlink data frames, thereby ensuring services with low latency requirements and improving the interaction between the terminal and the base station effectiveness.
  • FIG. 2 shows a flowchart of Embodiment 2 of a communication method of a terminal and a base station of the present application, which may specifically include the following:
  • the base station sends a first message to the terminal through a first time slot, where the first time slot is in a first time interval or a second time interval;
  • the starting position of the first time slot is located at the starting time point of the first time interval or satisfies the first time interval and is within the first time interval Any time point where the distance is an integer multiple of the first value;
  • the starting position of the first time slot is located at the time when the first data frame is received, and the first data frame is used to provide time reference information to the terminal.
  • the first time slot may be an extra pulse time slot (extra ping slot).
  • the first message may be any kind of downlink data frame.
  • the first data frame may be a beacon frame (Beacon).
  • the first time interval may be a beacon protection time (BEACON_GUARD).
  • the second time interval may be a beacon reserved time (BEACON_RESERVED).
  • the beacon guard time can contain 3 additional pulse slots.
  • the start time of the first extra pulse slot may be the start time of the beacon protection time.
  • the start time of the second extra pulse time slot may be 0.96 seconds after the end time point of the first pulse time slot.
  • the extra pulse time slot may be 30 ms.
  • the first period interval may be the minimum granularity calculated for one pulse period, for example 0.96s.
  • the pulse period may be 0.96 times 2 to the power of 2.
  • the additional pulse time slot and the first period interval may also take other lengths, which are not specifically limited in this embodiment.
  • the first value is the extra pulse slot length plus the
  • Pulse slots have a higher priority than additional pulse slots. That is, when the time of the pulse time slot conflicts with the time of the extra pulse time slot, the pulse time slot will preempt the time of the extra pulse time slot.
  • Beacon frames have a higher priority than extra pulse slots. That is, when the time of the beacon frame conflicts with the time of the extra pulse slot, the beacon frame will preempt the time of the extra pulse slot.
  • the starting position of the first time slot may also be located within the second time interval, and the distance from the end time point of receiving the first data frame is the first Any point in time that is an integer multiple of the value.
  • the first data frame may also be a downlink data frame sent by the base station to the terminal.
  • the downlink data frame may be a unicast data frame or a multicast data frame.
  • the downstream data frame is sent through an extra pulse slot that is turned on at the same time as the start time of the beacon reservation time.
  • the start time of the extra pulse slot may be the start time of the beacon reserved time.
  • the extra pulse time slot may also be at a time point when the distance from the start time of the beacon reservation time is an integer multiple of the first value, and must satisfy that the extra pulse time slot is included in the beacon reservation time range.
  • the terminal can obtain additional pulse slots during the guard time and beacon reservation time to receive downlink data frames, thereby ensuring services with low latency requirements and improving the interaction between the terminal and the base station effectiveness.
  • FIG. 3 shows a structural block diagram of Embodiment 3 of a communication device of a terminal and a base station of the present application, which may specifically include the following modules:
  • a receiving module located at the terminal, configured to receive a first message from the base station through a first time slot, the first time slot being in a first time interval or a second time interval;
  • the starting position of the first time slot is located at the starting time point of the first time interval or satisfies the first time interval and is within the first time interval Any time point where the distance is an integer multiple of the first value;
  • the starting position of the first time slot is located at the time when the first data frame is received, and the first data frame is used to provide time reference information to the terminal.
  • the first time slot may be an extra pulse time slot (extra ping slot).
  • the first message may be any kind of downlink data frame.
  • the first data frame may be a beacon frame (Beacon).
  • the first time interval may be a beacon protection time (BEACON_GUARD).
  • the second time interval may be a beacon reserved time (BEACON_RESERVED).
  • the beacon guard time can contain 3 additional pulse slots.
  • the start time of the first extra pulse slot may be the start time of the beacon protection time.
  • the start time of the second extra pulse time slot may be 0.96 seconds after the end time point of the first pulse time slot.
  • the extra pulse time slot may be 30 ms.
  • the first period interval may be the minimum granularity calculated for one pulse period, for example 0.96s.
  • the pulse period may be 0.96 times 2 to the power of 2.
  • the additional pulse time slot and the first period interval may also take other lengths, which are not specifically limited in this embodiment.
  • the first value is the extra pulse slot length plus the
  • Pulse slots have a higher priority than additional pulse slots. That is, when the time of the pulse time slot conflicts with the time of the extra pulse time slot, the pulse time slot will preempt the time of the extra pulse time slot.
  • Beacon frames have a higher priority than extra pulse slots. That is, when the time of the beacon frame conflicts with the time of the extra pulse slot, the beacon frame will preempt the time of the extra pulse slot.
  • the starting position of the first time slot may also be located within the second time interval, and the distance from the end time point of receiving the first data frame is the first Any point in time that is an integer multiple of the value.
  • the first data frame may also be a downlink data frame sent by the base station to the terminal.
  • the downlink data frame may be a unicast data frame or a multicast data frame.
  • the downstream data frame is sent through an extra pulse slot that is turned on at the same time as the start time of the beacon reservation time.
  • the start time of the extra pulse slot may be the start time of the beacon reserved time.
  • the extra pulse time slot may also be at a time point when the distance from the start time of the beacon reservation time is an integer multiple of the first value, and must satisfy that the extra pulse time slot is included in the beacon reservation time range.
  • the terminal can obtain additional pulse slots during the guard time and beacon reservation time to receive downlink data frames, thereby ensuring services with low latency requirements and improving the interaction between the terminal and the base station effectiveness.
  • FIG. 4 shows a structural block diagram of Embodiment 4 of a communication device between a terminal and a base station of the present application, which may specifically include the following modules:
  • the sending module located at the base station sends a first message to the terminal through a first time slot, the first time slot is in a first time interval or a second time interval;
  • the starting position of the first time slot is located at the starting time point of the first time interval or satisfies the first time interval and is within the first time interval Any time point where the distance is an integer multiple of the first value;
  • the starting position of the first time slot is located at the time when the first data frame is received, and the first data frame is used to provide time reference information to the terminal.
  • the first time slot may be an extra pulse time slot (extra ping slot).
  • the first message may be any kind of downlink data frame.
  • the first data frame may be a beacon frame (Beacon).
  • the first time interval may be a beacon protection time (BEACON_GUARD).
  • the second time interval may be a beacon reserved time (BEACON_RESERVED).
  • the beacon guard time can contain 3 additional pulse slots.
  • the start time of the first extra pulse slot may be the start time of the beacon protection time.
  • the start time of the second extra pulse time slot may be 0.96 seconds after the end time point of the first pulse time slot.
  • the extra pulse time slot may be 30 ms.
  • the first period interval may be the minimum granularity calculated for one pulse period, for example 0.96s.
  • the pulse period may be 0.96 times 2 to the power of 2.
  • the additional pulse time slot and the first period interval may also take other lengths, which are not specifically limited in this embodiment.
  • the first value is the extra pulse slot length plus the
  • Pulse slots have a higher priority than additional pulse slots. That is, when the time of the pulse time slot conflicts with the time of the extra pulse time slot, the pulse time slot will preempt the time of the extra pulse time slot.
  • Beacon frames have a higher priority than extra pulse slots. That is, when the time of the beacon frame conflicts with the time of the extra pulse slot, the beacon frame will preempt the time of the extra pulse slot.
  • the starting position of the first time slot may also be located within the second time interval, and the distance from the end time point of receiving the first data frame is the first Any point in time that is an integer multiple of the value.
  • the first data frame may also be a downlink data frame sent by the base station to the terminal.
  • the downlink data frame may be a unicast data frame or a multicast data frame.
  • the downstream data frame is sent through an extra pulse slot that is turned on at the same time as the start time of the beacon reservation time.
  • the start time of the extra pulse slot may be the start time of the beacon reserved time.
  • the extra pulse time slot may also be at a time point when the distance from the start time of the beacon reservation time is an integer multiple of the first value, and must satisfy that the extra pulse time slot is included in the beacon reservation time range.
  • the terminal can obtain additional pulse slots during the guard time and beacon reservation time to receive downlink data frames, thereby ensuring services with low latency requirements and improving the interaction between the terminal and the base station effectiveness.
  • the description is relatively simple, and the relevant part can be referred to the description of the method embodiment.
  • An embodiment of the present application also provides an apparatus, including:
  • One or more processors are One or more processors.
  • One or more machine-readable media having instructions stored thereon, when executed by the one or more processors, causes the apparatus to execute the method described in the embodiments of the present application.
  • An embodiment of the present application further provides one or more machine-readable media on which instructions are stored, and when executed by one or more processors, causes the apparatus to execute the method described in the embodiment of the present application.
  • the embodiments of the embodiments of the present application may be provided as methods, devices, or computer program products. Therefore, the embodiments of the present application may take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware. Moreover, the embodiments of the present application may take the form of computer program products implemented on one or more computer usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) containing computer usable program code.
  • computer usable storage media including but not limited to disk storage, CD-ROM, optical storage, etc.
  • These computer program instructions can be provided to the processor of a general-purpose computer, special-purpose computer, embedded processor, or other programmable data processing terminal device to produce a machine so that the instructions executed by the processor of the computer or other programmable data processing terminal device Means for generating the functions specified in a block or blocks of a flowchart or a flow and / or a block diagram.
  • These computer program instructions may also be stored in a computer readable memory that can guide a computer or other programmable data processing terminal device to work in a specific manner, so that the instructions stored in the computer readable memory produce an article of manufacture including instruction means
  • the instruction device implements the functions specified in one block or multiple blocks in the flowchart one flow or multiple flows and / or block diagrams.

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Abstract

本申请实施例提供了一种终端与基站的通信方法和装置，所述方法包括：所述终端通过第一时隙从所述基站接收第一消息，所述第一时隙在第一时间区间或者第二时间区间内；若第一时隙在第一时间区间内，则第一时隙的起始位置位于第一时间区间的起始时间点或者满足在第一时间区间内，且与第一时间区间起始时间点距离为第一数值的整数倍的任意时间点；若第一时隙在第二时间区间内，则第一时隙的起始位置位于第一数据帧接收结束的时间点，所述第一数据帧用于向所述终端提供时间参考信息。本申请实施例中，终端可以通过在保护时间以及信标预留时间中，获取额外的脉冲时隙来接收下行数据，从而保障具有低时延需求的业务，提高了终端和基站之间的交互效率。

Description

一种终端与基站的通信方法和装置
本申请要求2018年10月14日递交的申请号为201811193262.9、发明名称为“一种终端与基站的通信方法和装置”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请涉及通信技术领域，特别是涉及一种终端与基站的通信方法、一种终端与基站的通信装置。
背景技术
物联网技术是继计算机和互联网之后的第三次信息技术革命，具有实时性和交互性等优点，已经被广泛应用于城市管理、数字家庭、定位导航、物流管理、安保系统等多个领域。其中，LoRa是物联网中一种基于扩频技术的超远距离传输方案，具有传输距离远、低功耗、多节点和低成本等特性。
现有的数据传输方法中，LoRa网络中通常包括终端、基站和服务器。
LoRa终端的工作模式包括：Class B模式。ClassB模式适用于各种远程控制开关等场景的应用。一般情况下，运行在Class B模式下的终端可以在信标周期(Beacon_period)内获取一个或者多个脉冲时隙(ping slot)。终端在一个信标周期内获得脉冲时隙的周期(pingPeriod)可以通过终端内预设的参数(例如，脉冲时隙数量(pingNb))计算产生。LoRa基站通过向终端发送信标帧(Beacon)来实现终端和网络之间的时间同步。终端的第一个可用的脉冲时隙出现在信标预留时间加上脉冲偏移(pingOffset)与一个脉冲时隙长度(slotLen)的乘积。
但是，现有技术中，class B模式下的保护时间(Beacon_guard)以及信标预留时间没有可以用于下行数据传输的脉冲时隙。在有些情况下，会导致无法满足某些应用的低时延需求。
发明内容
鉴于上述问题，提出了本申请实施例以便提供一种克服上述问题或者至少部分地解决上述问题的一种终端与基站的通信方法、一种终端与基站的通信装置。
为了解决上述问题，本申请实施例公开了一种终端与基站的通信方法，包括：
所述终端通过第一时隙从所述基站接收第一消息，所述第一时隙在第一时间区间或者第二时间区间内；
若第一时隙在第一时间区间内，则第一时隙的起始位置位于第一时间区间的起始时间点或者满足在第一时间区间内，且与第一时间区间起始时间点距离为第一数值的整数倍的任意时间点；
若第一时隙在第二时间区间内，则第一时隙的起始位置位于第一数据帧接收结束的时间点，所述第一数据帧用于向所述终端提供时间参考信息。
优选的，还包括：
所述第一时隙为额外脉冲时隙。
优选的，还包括：
所述第一时间区间为信标保护时间，所述第二时间区间为信标预留时间。
优选的，还包括：
所述第一数值为额外脉冲时隙长度加上第一周期间隔。
优选的，还包括：
若第一时隙在第二时间区间内，则第一时隙的起始位置还可以位于满足在第二时间区间内，且与第一数据帧接收结束时间点距离为第一数值的整数倍的任意时间点
本申请实施例还公开了一种终端与基站的通信方法，包括：
所述基站通过第一时隙向所述终端发送第一消息，所述第一时隙在第一时间区间或者第二时间区间内；
若第一时隙在第一时间区间内，则第一时隙的起始位置位于第一时间区间的起始时间点或者满足在第一时间区间内，且与第一时间区间起始时间点距离为第一数值的整数倍的任意时间点；
若第一时隙在第二时间区间内，则第一时隙的起始位置位于第一数据帧接收结束的时间点，所述第一数据帧用于向所述终端提供时间参考信息。
优选的，还包括：
所述第一时隙为额外脉冲时隙。
优选的，还包括：
所述第一时间区间为信标保护时间，所述第二时间区间为信标预留时间。
优选的，还包括：
所述第一数值为额外脉冲时隙长度加上第一周期间隔。
优选的，还包括：
若第一时隙在第二时间区间内，则第一时隙的起始位置还可以位于满足在第二时间区间内，且与第一数据帧接收结束时间点距离为第一数值的整数倍的任意时间点。
本申请实施例还公开了一种终端与基站的通信装置，包括：
位于所述终端的接收模块，用于通过第一时隙从所述基站接收第一消息，所述第一时隙在第一时间区间或者第二时间区间内；
若第一时隙在第一时间区间内，则第一时隙的起始位置位于第一时间区间的起始时间点或者满足在第一时间区间内，且与第一时间区间起始时间点距离为第一数值的整数倍的任意时间点；
若第一时隙在第二时间区间内，则第一时隙的起始位置位于第一数据帧接收结束的时间点，所述第一数据帧用于向所述终端提供时间参考信息。
优选的，还包括：
所述第一时隙为额外脉冲时隙。
优选的，还包括：
所述第一时间区间为信标保护时间，所述第二时间区间为信标预留时间。
优选的，还包括：
所述第一数值为额外脉冲时隙长度加上第一周期间隔。
优选的，还包括：
若第一时隙在第二时间区间内，则第一时隙的起始位置还可以位于满足在第二时间区间内，且与第一数据帧接收结束时间点距离为第一数值的整数倍的任意时间点。
本申请实施例还公开了一种终端与基站的通信装置，包括：
位于所述基站的发送模块，通过第一时隙向所述终端发送第一消息，所述第一时隙在第一时间区间或者第二时间区间内；
若第一时隙在第一时间区间内，则第一时隙的起始位置位于第一时间区间的起始时间点或者满足在第一时间区间内，且与第一时间区间起始时间点距离为第一数值的整数倍的任意时间点；
若第一时隙在第二时间区间内，则第一时隙的起始位置位于第一数据帧接收结束的时间点，所述第一数据帧用于向所述终端提供时间参考信息。
优选的，还包括：
所述第一时隙为额外脉冲时隙。
优选的，还包括：
所述第一时间区间为信标保护时间，所述第二时间区间为信标预留时间。
优选的，还包括：
所述第一数值为额外脉冲时隙长度加上第一周期间隔。
优选的，还包括：
若第一时隙在第二时间区间内，则第一时隙的起始位置还可以位于满足在第二时间区间内，且与第一数据帧接收结束时间点距离为第一数值的整数倍的任意时间点。
本申请实施例还公开了一种装置，包括：
一个或多个处理器；和
其上存储有指令的一个或多个机器可读介质，当由所述一个或多个处理器执行时，使得所述装置执行如上所述的一个或多个的方法。
本申请实施例还公开了一个或多个机器可读介质，其上存储有指令，当由一个或多个处理器执行时，使得装置执行如权上所述的一个或多个的方法。
本申请实施例包括以下优点：
本申请实施例中，终端可以通过在保护时间以及信标预留时间中，获取额外的脉冲时隙来接收下行数据，从而保障具有低时延需求的业务，提高了终端和基站之间的交互效率。
附图说明
图1是本申请的一种终端与基站的通信方法实施例1的流程图；
图2是本申请的一种终端与基站的通信方法实施例2的流程图；
图3是本申请的一种终端与基站的通信装置实施例3的结构框图；
图4是本申请的一种终端与基站的通信装置实施例4的结构框图；
图5是本申请的一种时隙在class B模式下的示意图。
具体实施方式
为使本申请的上述目的、特征和优点能够更加明显易懂，下面结合附图和具体实施方式对本申请作进一步详细的说明。
LoRa网络由终端节点、基站节点和服务器组成。终端具有LoRa网络连接能力，并 接入该LoRa网络。根据该LoRa网络所部署的应用场景的不同，该终端可以包括不同的电子设备，比如，在该LoRa网络应用于城市管理中时，该终端可以包括智能电表；在该LoRa网络应用于数字家庭中时，该终端可以包括各种智能家电等等。
基站，在LoRa网络中又称为网关或者集中器，具有无线连接汇聚功能，包括终端提供接入LoRa网络的入口，对来自服务器或终端的数据进行转发，实现该终端与该服务器之间的数据交互。当然，基站也能够与处于该基站的信号覆盖范围内的其它基站通过传输无线帧的方式进行数据交互。
服务器可以包括一个服务器或者服务器集群，用于根据从基站或终端获取到的数据进行业务处理，以及对该基站或该终端的工作模式和工作状态进行控制。
本申请实施例的核心构思之一在于，终端通过入网信令来获知基站的信道使用方案，从而判断是否可以利用相同的频道使用方案来接入网络。
以下，首先从终端的角度介绍终端与基站的通信流程。
参照图1，示出了本申请的一种终端与基站的通信方法实施例1的流程图，具体可以包括如下：
所述终端通过第一时隙从所述基站接收第一消息，所述第一时隙在第一时间区间或者第二时间区间内；
若第一时隙在第一时间区间内，则第一时隙的起始位置位于第一时间区间的起始时间点或者满足在第一时间区间内，且与第一时间区间起始时间点距离为第一数值的整数倍的任意时间点；
若第一时隙在第二时间区间内，则第一时隙的起始位置位于第一数据帧接收结束的时间点，所述第一数据帧用于向所述终端提供时间参考信息。
具体地，如图5所示，第一时隙可以是额外脉冲时隙(extra ping slot)。第一消息可以是任意一种下行数据帧。第一数据帧可以是信标帧(Beacon)。第一时间区间可以是信标保护时间(BEACON_GUARD)。第二时间区间可以是信标预留时间(BEACON_RESERVED)。信标保护时间可以包含3个额外脉冲时隙。第一个额外脉冲时隙的起始时间可以是信标保护时间的开始时间。第二个额外脉冲时隙的起始时间可以是在第一个脉冲时隙结束时间点之后的0.96秒。额外脉冲时隙可以是30ms。第一周期间隔可以是一个脉冲周期计算的最小颗粒度，例如0.96s。脉冲周期可以是0.96乘以2的2次方。可选的，额外脉冲时隙以及第一周期间隔也可以取其他长度，本实施例不做具体限定。第一数值为额外脉冲时隙长度加上第一周期间隔。
脉冲时隙具有比额外脉冲时隙更高的优先级。也就是说，当脉冲时隙的时间与额外脉冲时隙的时间冲突时，脉冲时隙将抢占额外脉冲时隙的时间。信标帧具有比额外脉冲时隙更高的优先级。也就是说，当信标帧的时间与额外脉冲时隙的时间冲突时，信标帧将抢占额外脉冲时隙的时间。
可选的，若第一时隙在第二时间区间内，则第一时隙的起始位置还可以位于满足在第二时间区间内，且与第一数据帧接收结束时间点距离为第一数值的整数倍的任意时间点。
可选的，第一数据帧也可以是基站发送给终端的下行数据帧。下行数据帧可以是单播数据帧，也可以是多播数据帧。下行数据帧是通过在与信标预留时间起始时间相同开启的额外脉冲时隙发送的。换句话说，额外脉冲时隙的起始时间可以信标预留时间的起始时间。可选的，额外脉冲时隙也可以在距离信标预留时间起始时间距离为第一数值的整数倍的时间点点，且必须满足额外脉冲时隙包含在信标预留时间范围内。
通过本实施例，终端可以通过在保护时间以及信标预留时间中，获取额外的脉冲时隙来接收下行数据帧，从而保障具有低时延需求的业务，提高了终端和基站之间的交互效率。
参照图2，示出了本申请的一种终端与基站的通信方法实施例2的流程图，具体可以包括如下：
所述基站通过第一时隙向所述终端发送第一消息，所述第一时隙在第一时间区间或者第二时间区间内；
若第一时隙在第一时间区间内，则第一时隙的起始位置位于第一时间区间的起始时间点或者满足在第一时间区间内，且与第一时间区间起始时间点距离为第一数值的整数倍的任意时间点；
若第一时隙在第二时间区间内，则第一时隙的起始位置位于第一数据帧接收结束的时间点，所述第一数据帧用于向所述终端提供时间参考信息。
具体地，如图所示，第一时隙可以是额外脉冲时隙(extra ping slot)。第一消息可以是任意一种下行数据帧。第一数据帧可以是信标帧(Beacon)。第一时间区间可以是信标保护时间(BEACON_GUARD)。第二时间区间可以是信标预留时间(BEACON_RESERVED)。信标保护时间可以包含3个额外脉冲时隙。第一个额外脉冲时隙的起始时间可以是信标保护时间的开始时间。第二个额外脉冲时隙的起始时间可以是在第一个脉冲时隙结束时间点之后的0.96秒。额外脉冲时隙可以是30ms。第一周期 间隔可以是一个脉冲周期计算的最小颗粒度，例如0.96s。脉冲周期可以是0.96乘以2的2次方。可选的，额外脉冲时隙以及第一周期间隔也可以取其他长度，本实施例不做具体限定。第一数值为额外脉冲时隙长度加上第一周期间隔。
脉冲时隙具有比额外脉冲时隙更高的优先级。也就是说，当脉冲时隙的时间与额外脉冲时隙的时间冲突时，脉冲时隙将抢占额外脉冲时隙的时间。信标帧具有比额外脉冲时隙更高的优先级。也就是说，当信标帧的时间与额外脉冲时隙的时间冲突时，信标帧将抢占额外脉冲时隙的时间。
可选的，若第一时隙在第二时间区间内，则第一时隙的起始位置还可以位于满足在第二时间区间内，且与第一数据帧接收结束时间点距离为第一数值的整数倍的任意时间点。
可选的，第一数据帧也可以是基站发送给终端的下行数据帧。下行数据帧可以是单播数据帧，也可以是多播数据帧。下行数据帧是通过在与信标预留时间起始时间相同开启的额外脉冲时隙发送的。换句话说，额外脉冲时隙的起始时间可以信标预留时间的起始时间。可选的，额外脉冲时隙也可以在距离信标预留时间起始时间距离为第一数值的整数倍的时间点点，且必须满足额外脉冲时隙包含在信标预留时间范围内。
通过本实施例，终端可以通过在保护时间以及信标预留时间中，获取额外的脉冲时隙来接收下行数据帧，从而保障具有低时延需求的业务，提高了终端和基站之间的交互效率。
参照图3，示出了本申请的一种终端与基站的通信装置实施例3的结构框图，具体可以包括如下模块：
位于所述终端的接收模块，用于通过第一时隙从所述基站接收第一消息，所述第一时隙在第一时间区间或者第二时间区间内；
若第一时隙在第一时间区间内，则第一时隙的起始位置位于第一时间区间的起始时间点或者满足在第一时间区间内，且与第一时间区间起始时间点距离为第一数值的整数倍的任意时间点；
若第一时隙在第二时间区间内，则第一时隙的起始位置位于第一数据帧接收结束的时间点，所述第一数据帧用于向所述终端提供时间参考信息。
具体地，第一时隙可以是额外脉冲时隙(extra ping slot)。第一消息可以是任意一种下行数据帧。第一数据帧可以是信标帧(Beacon)。第一时间区间可以是信标保护时间(BEACON_GUARD)。第二时间区间可以是信标预留时间(BEACON_RESERVED)。 信标保护时间可以包含3个额外脉冲时隙。第一个额外脉冲时隙的起始时间可以是信标保护时间的开始时间。第二个额外脉冲时隙的起始时间可以是在第一个脉冲时隙结束时间点之后的0.96秒。额外脉冲时隙可以是30ms。第一周期间隔可以是一个脉冲周期计算的最小颗粒度，例如0.96s。脉冲周期可以是0.96乘以2的2次方。可选的，额外脉冲时隙以及第一周期间隔也可以取其他长度，本实施例不做具体限定。第一数值为额外脉冲时隙长度加上第一周期间隔。
脉冲时隙具有比额外脉冲时隙更高的优先级。也就是说，当脉冲时隙的时间与额外脉冲时隙的时间冲突时，脉冲时隙将抢占额外脉冲时隙的时间。信标帧具有比额外脉冲时隙更高的优先级。也就是说，当信标帧的时间与额外脉冲时隙的时间冲突时，信标帧将抢占额外脉冲时隙的时间。
可选的，若第一时隙在第二时间区间内，则第一时隙的起始位置还可以位于满足在第二时间区间内，且与第一数据帧接收结束时间点距离为第一数值的整数倍的任意时间点。
可选的，第一数据帧也可以是基站发送给终端的下行数据帧。下行数据帧可以是单播数据帧，也可以是多播数据帧。下行数据帧是通过在与信标预留时间起始时间相同开启的额外脉冲时隙发送的。换句话说，额外脉冲时隙的起始时间可以信标预留时间的起始时间。可选的，额外脉冲时隙也可以在距离信标预留时间起始时间距离为第一数值的整数倍的时间点点，且必须满足额外脉冲时隙包含在信标预留时间范围内。
通过本实施例，终端可以通过在保护时间以及信标预留时间中，获取额外的脉冲时隙来接收下行数据帧，从而保障具有低时延需求的业务，提高了终端和基站之间的交互效率。
参照图4，示出了本申请的一种终端与基站的通信装置实施例4的结构框图，具体可以包括如下模块：
位于所述基站的发送模块，通过第一时隙向所述终端发送第一消息，所述第一时隙在第一时间区间或者第二时间区间内；
若第一时隙在第一时间区间内，则第一时隙的起始位置位于第一时间区间的起始时间点或者满足在第一时间区间内，且与第一时间区间起始时间点距离为第一数值的整数倍的任意时间点；
若第一时隙在第二时间区间内，则第一时隙的起始位置位于第一数据帧接收结束的时间点，所述第一数据帧用于向所述终端提供时间参考信息。
具体地，第一时隙可以是额外脉冲时隙(extra ping slot)。第一消息可以是任意一种下行数据帧。第一数据帧可以是信标帧(Beacon)。第一时间区间可以是信标保护时间(BEACON_GUARD)。第二时间区间可以是信标预留时间(BEACON_RESERVED)。信标保护时间可以包含3个额外脉冲时隙。第一个额外脉冲时隙的起始时间可以是信标保护时间的开始时间。第二个额外脉冲时隙的起始时间可以是在第一个脉冲时隙结束时间点之后的0.96秒。额外脉冲时隙可以是30ms。第一周期间隔可以是一个脉冲周期计算的最小颗粒度，例如0.96s。脉冲周期可以是0.96乘以2的2次方。可选的，额外脉冲时隙以及第一周期间隔也可以取其他长度，本实施例不做具体限定。第一数值为额外脉冲时隙长度加上第一周期间隔。
脉冲时隙具有比额外脉冲时隙更高的优先级。也就是说，当脉冲时隙的时间与额外脉冲时隙的时间冲突时，脉冲时隙将抢占额外脉冲时隙的时间。信标帧具有比额外脉冲时隙更高的优先级。也就是说，当信标帧的时间与额外脉冲时隙的时间冲突时，信标帧将抢占额外脉冲时隙的时间。
可选的，若第一时隙在第二时间区间内，则第一时隙的起始位置还可以位于满足在第二时间区间内，且与第一数据帧接收结束时间点距离为第一数值的整数倍的任意时间点。
可选的，第一数据帧也可以是基站发送给终端的下行数据帧。下行数据帧可以是单播数据帧，也可以是多播数据帧。下行数据帧是通过在与信标预留时间起始时间相同开启的额外脉冲时隙发送的。换句话说，额外脉冲时隙的起始时间可以信标预留时间的起始时间。可选的，额外脉冲时隙也可以在距离信标预留时间起始时间距离为第一数值的整数倍的时间点点，且必须满足额外脉冲时隙包含在信标预留时间范围内。
通过本实施例，终端可以通过在保护时间以及信标预留时间中，获取额外的脉冲时隙来接收下行数据帧，从而保障具有低时延需求的业务，提高了终端和基站之间的交互效率。
对于装置实施例而言，由于其与方法实施例基本相似，所以描述的比较简单，相关之处参见方法实施例的部分说明即可。
本申请实施例还提供了一种装置，包括：
一个或多个处理器；和
其上存储有指令的一个或多个机器可读介质，当由所述一个或多个处理器执行时，使得所述装置执行本申请实施例所述的方法。
本申请实施例还提供了一个或多个机器可读介质，其上存储有指令，当由一个或多个处理器执行时，使得装置执行本申请实施例所述的方法。
本说明书中的各个实施例均采用递进的方式描述，每个实施例重点说明的都是与其他实施例的不同之处，各个实施例之间相同相似的部分互相参见即可。
本领域内的技术人员应明白，本申请实施例的实施例可提供为方法、装置、或计算机程序产品。因此，本申请实施例可采用完全硬件实施例、完全软件实施例、或结合软件和硬件方面的实施例的形式。而且，本申请实施例可采用在一个或多个其中包含有计算机可用程序代码的计算机可用存储介质(包括但不限于磁盘存储器、CD-ROM、光学存储器等)上实施的计算机程序产品的形式。
本申请实施例是参照根据本申请实施例的方法、终端设备(系统)、和计算机程序产品的流程图和/或方框图来描述的。应理解可由计算机程序指令实现流程图和/或方框图中的每一流程和/或方框、以及流程图和/或方框图中的流程和/或方框的结合。可提供这些计算机程序指令到通用计算机、专用计算机、嵌入式处理机或其他可编程数据处理终端设备的处理器以产生一个机器，使得通过计算机或其他可编程数据处理终端设备的处理器执行的指令产生用于实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能的装置。
这些计算机程序指令也可存储在能引导计算机或其他可编程数据处理终端设备以特定方式工作的计算机可读存储器中，使得存储在该计算机可读存储器中的指令产生包括指令装置的制造品，该指令装置实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能。
这些计算机程序指令也可装载到计算机或其他可编程数据处理终端设备上，使得在计算机或其他可编程终端设备上执行一系列操作步骤以产生计算机实现的处理，从而在计算机或其他可编程终端设备上执行的指令提供用于实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能的步骤。
尽管已描述了本申请实施例的优选实施例，但本领域内的技术人员一旦得知了基本创造性概念，则可对这些实施例做出另外的变更和修改。所以，所附权利要求意欲解释为包括优选实施例以及落入本申请实施例范围的所有变更和修改。
最后，还需要说明的是，在本文中，诸如第一和第二等之类的关系术语仅仅用来将一个实体或者操作与另一个实体或操作区分开来，而不一定要求或者暗示这些实体或操作之间存在任何这种实际的关系或者顺序。而且，术语“包括”、“包含”或者其任何 其他变体意在涵盖非排他性的包含，从而使得包括一系列要素的过程、方法、物品或者终端设备不仅包括那些要素，而且还包括没有明确列出的其他要素，或者是还包括为这种过程、方法、物品或者终端设备所固有的要素。在没有更多限制的情况下，由语句“包括一个……”限定的要素，并不排除在包括所述要素的过程、方法、物品或者终端设备中还存在另外的相同要素。
以上对本申请所提供的一种终端与基站的通信方法、一种终端与基站的通信装置、一种终端的入网方法和一种终端的入网装置，进行了详细介绍，本文中应用了具体个例对本申请的原理及实施方式进行了阐述，以上实施例的说明只是用于帮助理解本申请的方法及其核心思想；同时，对于本领域的一般技术人员，依据本申请的思想，在具体实施方式及应用范围上均会有改变之处，综上所述，本说明书内容不应理解为对本申请的限制。

Claims (21)

  1. 一种终端与基站的通信方法，其特征在于，包括：
    所述终端通过第一时隙从所述基站接收第一消息，所述第一时隙在第一时间区间或者第二时间区间内；
    若第一时隙在第一时间区间内，则第一时隙的起始位置位于第一时间区间的起始时间点或者满足在第一时间区间内，且与第一时间区间起始时间点距离为第一数值的整数倍的任意时间点；
    若第一时隙在第二时间区间内，则第一时隙的起始位置位于第一数据帧接收结束的时间点，所述第一数据帧用于向所述终端提供时间参考信息。
  2. 根据权利要求1所述的方法，其特征在于，还包括：
    所述第一时隙为额外脉冲时隙。
  3. 根据权利要求1所述的方法，其特征在于，还包括：
    所述第一时间区间为信标保护时间，所述第二时间区间为信标预留时间。
  4. 根据权利要求1所述的方法，其特征在于，还包括：
    所述第一数值为额外脉冲时隙长度加上第一周期间隔。
  5. 根据权利要求1所述的方法，其特征在于，还包括：
    若第一时隙在第二时间区间内，则第一时隙的起始位置还可以位于满足在第二时间区间内，且与第一数据帧接收结束时间点距离为第一数值的整数倍的任意时间点。
  6. 一种终端与基站的通信方法，其特征在于，包括：
    所述基站通过第一时隙向所述终端发送第一消息，所述第一时隙在第一时间区间或者第二时间区间内；
    若第一时隙在第一时间区间内，则第一时隙的起始位置位于第一时间区间的起始时间点或者满足在第一时间区间内，且与第一时间区间起始时间点距离为第一数值的整数倍的任意时间点；
    若第一时隙在第二时间区间内，则第一时隙的起始位置位于第一数据帧接收结束的时间点，所述第一数据帧用于向所述终端提供时间参考信息。
  7. 根据权利要求6所述的方法，其特征在于，还包括：
    所述第一时隙为额外脉冲时隙。
  8. 根据权利要求6所述的方法，其特征在于，还包括：
    所述第一时间区间为信标保护时间，所述第二时间区间为信标预留时间。
  9. 根据权利要求6所述的方法，其特征在于，还包括：
    所述第一数值为额外脉冲时隙长度加上第一周期间隔。
  10. 根据权利要求6所述的方法，其特征在于，还包括：
    若第一时隙在第二时间区间内，则第一时隙的起始位置还可以位于满足在第二时间区间内，且与第一数据帧接收结束时间点距离为第一数值的整数倍的任意时间点。
  11. 一种终端与基站的通信装置，其特征在于，包括：
    位于所述终端的接收模块，用于通过第一时隙从所述基站接收第一消息，所述第一时隙在第一时间区间或者第二时间区间内；
    若第一时隙在第一时间区间内，则第一时隙的起始位置位于第一时间区间的起始时间点或者满足在第一时间区间内，且与第一时间区间起始时间点距离为第一数值的整数倍的任意时间点；
    若第一时隙在第二时间区间内，则第一时隙的起始位置位于第一数据帧接收结束的时间点，所述第一数据帧用于向所述终端提供时间参考信息。
  12. 根据权利要求11所述的装置，其特征在于，还包括：
    所述第一时隙为额外脉冲时隙。
  13. 根据权利要求11所述的装置，其特征在于，还包括：
    所述第一时间区间为信标保护时间，所述第二时间区间为信标预留时间。
  14. 根据权利要求11所述的装置，其特征在于，还包括：
    所述第一数值为额外脉冲时隙长度加上第一周期间隔。
  15. 根据权利要求11所述的装置，其特征在于，还包括：
    若第一时隙在第二时间区间内，则第一时隙的起始位置还可以位于满足在第二时间区间内，且与第一数据帧接收结束时间点距离为第一数值的整数倍的任意时间点。
  16. 一种终端与基站的通信装置，其特征在于，包括：
    位于所述基站的发送模块，通过第一时隙向所述终端发送第一消息，所述第一时隙在第一时间区间或者第二时间区间内；
    若第一时隙在第一时间区间内，则第一时隙的起始位置位于第一时间区间的起始时间点或者满足在第一时间区间内，且与第一时间区间起始时间点距离为第一数值的整数倍的任意时间点；
    若第一时隙在第二时间区间内，则第一时隙的起始位置位于第一数据帧接收结束的时间点，所述第一数据帧用于向所述终端提供时间参考信息。
  17. 根据权利要求16所述的装置，其特征在于，还包括：
    所述第一时隙为额外脉冲时隙。
  18. 根据权利要求16所述的装置，其特征在于，还包括：
    所述第一时间区间为信标保护时间，所述第二时间区间为信标预留时间。
  19. 根据权利要求16所述的装置，其特征在于，还包括：
    所述第一数值为额外脉冲时隙长度加上第一周期间隔。
  20. 根据权利要求16所述的装置，其特征在于，还包括：
    若第一时隙在第二时间区间内，则第一时隙的起始位置还可以位于满足在第二时间区间内，且与第一数据帧接收结束时间点距离为第一数值的整数倍的任意时间点。
  21. 一个或多个机器可读介质，其上存储有指令，当由一个或多个处理器执行时，使得装置执行如权利要求1-5或6-10所述的一个或多个的方法。
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