CN111050357B - Communication method and device for terminal and base station - Google Patents

Communication method and device for terminal and base station Download PDF

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Publication number
CN111050357B
CN111050357B CN201811193294.9A CN201811193294A CN111050357B CN 111050357 B CN111050357 B CN 111050357B CN 201811193294 A CN201811193294 A CN 201811193294A CN 111050357 B CN111050357 B CN 111050357B
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Prior art keywords
address information
terminal
priority
base station
priority list
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CN111050357A (en
Inventor
陶震
于小博
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Alibaba Group Holding Ltd
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Alibaba Group Holding Ltd
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Priority to CN201811193294.9A priority Critical patent/CN111050357B/en
Priority to TW108128463A priority patent/TW202015469A/en
Priority to PCT/CN2019/110070 priority patent/WO2020078231A1/en
Publication of CN111050357A publication Critical patent/CN111050357A/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/04—Error control
    • 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
    • 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
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0045—Arrangements at the receiver end
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Abstract

The embodiment of the application provides a communication method and a device of a terminal and a base station, wherein the communication of the terminal and the base station comprises the following steps: the terminal determines a target address through a priority list in a first mode, wherein the target address is an address corresponding to the highest priority information, and the priority list comprises at least one first address and at least one second address and priority information of the at least one first address and the at least one second address; and the terminal receives a first message corresponding to the target address from the base station. In the embodiment of the application, the terminal can distinguish the priority order of the unicast and multicast addresses through the priority list, and when the unicast and multicast transmission collide, the downlink data corresponding to the highest priority address is received according to the priority order, thereby improving the transmission efficiency between the terminal and the base station.

Description

Communication method and device for terminal and base station
Technical Field
The present application relates to the field of communications technologies, and in particular, to a method for communicating between a terminal and a base station, and a device for communicating between a terminal and a base station.
Background
The internet of things technology is a third information technology revolution following a computer and the internet, has the advantages of instantaneity, interactivity and the like, and has been widely applied to multiple fields of city management, digital home, positioning navigation, logistics management, security system and the like. The LoRa is an ultra-long distance transmission scheme based on a spread spectrum technology in the Internet of things, and has the characteristics of long transmission distance, low power consumption, multiple nodes, low cost and the like.
In the existing data transmission method, the LoRa network generally includes a terminal, a base station and a server.
The working modes of the LoRa terminal comprise: class B mode. The ClassB mode is suitable for various remote control switch and other scenes. In general, a terminal operating in a Class B mode may acquire one or more pulse slots (ping slots) within a Beacon period (beacon_period). The period (pingPeriod) during which the terminal obtains the pulse slots in one beacon period may be calculated by a parameter preset in the terminal, for example, the number of pulse slots (pingNb). The LoRa base station achieves time synchronization between the terminal and the network by transmitting Beacon frames (beacons) to the terminal. The first available pulse slot of the terminal occurs at the beacon reservation time plus the product of the pulse offset (pingOffset) and one pulse slot length (slotLen).
However, in the prior art, the pulse slots required for unicast and multicast transmission in class B mode may overlap. In the case of overlap, the terminal may not transmit unicast downlink data to the terminal due to the default priority of receiving multicast downlink data. Resulting in the failure of unicast downstream traffic.
Disclosure of Invention
In view of the above problems, embodiments of the present application have been made to provide a communication method of a terminal and a base station, a communication apparatus of a terminal and a base station, which overcome or at least partially solve the above problems.
In order to solve the above problems, an embodiment of the present application discloses a communication method between a terminal and a base station, including:
the terminal determines target address information through a priority list in a first mode, wherein the target address information is address information corresponding to the highest priority information, and the priority list comprises at least one first address information and at least one second address information and priority information corresponding to the at least one first address information and the at least one second address information;
and the terminal receives a first message corresponding to the target address information from the base station.
Preferably, the method further comprises:
the first address information is unicast address information.
Preferably, the method further comprises:
the second address information is multicast address information.
Preferably, the method further comprises:
and before determining the target address information, the terminal judges that the priority list is not empty.
Preferably, the method further comprises:
and if the terminal judges that the priority list is empty in the first mode, taking at least one piece of second address information as target address information.
The embodiment of the application also discloses a communication device of the terminal and the base station, which comprises:
the processing module is located at the terminal and is used for determining target address information through a priority list in a first mode, wherein the target address information is address information corresponding to the highest priority information, and the priority list comprises at least one first address information and at least one second address information and priority information corresponding to the at least one first address information and the at least one second address information;
and the receiving module is positioned at the terminal and is used for receiving the first message corresponding to the target address information from the base station.
Preferably, the method further comprises:
the first address information is unicast address information.
Preferably, the method further comprises:
the second address information is multicast address information.
Preferably, the method further comprises:
and before determining the target address information, the terminal judges that the priority list is not empty.
Preferably, the method further comprises:
and if the terminal judges that the priority list is empty in the first mode, taking at least one piece of second address information as target address information.
The embodiment of the application also discloses a device, which comprises:
one or more processors; and
one or more machine-readable media having instructions stored thereon, which when executed by the one or more processors, cause the apparatus to perform one or more methods as described above.
Embodiments of the application also disclose one or more machine-readable media having instructions stored thereon, which when executed by one or more processors, cause an apparatus to perform one or more of the methods as described in the claims.
The embodiment of the application has the following advantages:
in the embodiment of the application, the terminal can distinguish the priority order of the unicast and multicast addresses through the priority list, and when the unicast and multicast transmission collide, the downlink data corresponding to the highest priority address is received according to the priority order, thereby improving the transmission efficiency between the terminal and the base station.
Drawings
Fig. 1 is a flow chart of steps of an embodiment 1 of a communication method between a terminal and a base station according to the present application;
fig. 2 is a block diagram showing a communication apparatus of an embodiment 2 of a terminal and a base station according to the present application.
Detailed Description
In order that the above-recited objects, features and advantages of the present application will become more readily apparent, a more particular description of the application will be rendered by reference to the appended drawings and appended detailed description.
The LoRa network consists of terminal nodes, base station nodes and servers. The terminal has a LoRa network connection capability and accesses the LoRa network. According to different application scenarios deployed by 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; when the LoRa network is applied in a digital home, the terminal may include various smart home appliances and the like.
The base station, also called gateway or concentrator in the LoRa network, has wireless connection convergence function, including the terminal provides access to the LoRa network, and forwards the data from the server or terminal to realize the data interaction between the terminal and the server. Of course, the base station can also perform data interaction with other base stations in the signal coverage area of the base station by transmitting radio frames.
The server may comprise a server or a cluster of servers for performing traffic processing based on data acquired from a base station or a terminal and for controlling the operation mode and the operation state of the base station or the terminal.
One of the core concepts of the embodiments of the present application is that a terminal acquires a channel usage scheme of a base station through network access signaling, so as to determine whether the same channel usage scheme can be used to access a network.
In the following, the communication flow between the terminal and the base station will be described first from the terminal point of view.
Referring to fig. 1, a flowchart illustrating steps of an embodiment 1 of a communication method between a terminal and a base station according to the present application may specifically include the following steps:
step 101, the terminal determines target address information through a priority list in a first mode, wherein the target address information is address information corresponding to the highest priority information, and the priority list comprises at least one first address information and at least one second address information and priority information corresponding to the at least one first address information and the at least one second address information;
specifically, the first mode may be a class B mode. The terminal can acquire the priority list in a preset mode. The priority list includes one or more unicast and one or more multicast address information and priorities corresponding to the address information. The representation of the priority list may be referred to in table 1.
Table 1 priority list
Number of bytes 4 1
Priority list Address information Priority information
The address information in the list occupies 4 bytes. The priority information in the list takes 1 byte. The priority list may be used by the application to set the priority of the corresponding address information. The application may set the priority list to be empty without setting any priority corresponding to the address information. If the priority list is empty, the terminal may consider by default that the burst slot corresponding to the multicast address information has a higher priority than the burst slot corresponding to the unicast address information. Alternatively, the terminal may consider that the burst slot corresponding to the unicast address information has a higher priority than the burst slot corresponding to the multicast address information by default. If the terminal is provided with only a plurality of multicast address information and no unicast address information, the priority corresponding to the plurality of multicast address information may be decided by the application. In the scheme of the application, the priority information corresponding to the address information can be equal to the priority information of the pulse time slot corresponding to the address information.
In the embodiment of the present application, the step 101 of determining, by the terminal, that the target address information corresponds to through the priority list in the first mode may include the following sub-steps:
sub-step S1011, the terminal determines that the priority list is not empty before determining the target address information.
Specifically, before determining the target address information, the terminal determines whether the priority list is empty. If the priority list is empty, the terminal defaults to the high priority address information as the target address information. For example, the terminal may consider, by default, the priority corresponding to the unicast address information to be higher than the priority corresponding to the multicast address information. Alternatively, the terminal may consider that the priority corresponding to the multicast address information is higher than the priority corresponding to the unicast address information by default.
Step 102, the terminal receives a first message corresponding to the target address information from the base station.
Specifically, the first message may be any downstream data frame. The terminal determines to receive the downlink data frame corresponding to the target address information in the corresponding pulse time slot through the target address information. The burst slot is determined by a calculation formula containing the destination address information.
In the embodiment of the application, the terminal can distinguish the priority order of the unicast and multicast addresses through the priority list, and when the unicast and multicast transmission collide, the downlink data corresponding to the highest priority address is received according to the priority order, thereby improving the transmission efficiency between the terminal and the base station.
Referring to fig. 2, a block diagram of an embodiment 2 of a communication device between a terminal and a base station according to the present application is shown, and may specifically include the following modules:
a processing module 201 located at the terminal, configured to determine, in a first mode, target address information through a priority list, where the target address information is address information corresponding to highest priority information, and the priority list includes at least one first address information and at least one second address information, and priority information corresponding to the at least one first address information and the at least one second address information;
specifically, the first mode may be a class B mode. The terminal can acquire the priority list in a preset mode. The priority list includes one or more unicast and one or more multicast address information and priorities corresponding to the address information. The representation of the priority list may be referred to in table 1.
Table 2 priority list
Number of bytes 4 1
Priority list Address information Priority information
The address information in the list occupies 4 bytes. The priority information in the list takes 1 byte. The priority list may be used by the application to set the priority of the corresponding address information. The application may set the priority list to be empty without setting any priority corresponding to the address information. If the priority list is empty, the terminal may consider by default that the burst slot corresponding to the multicast address information has a higher priority than the burst slot corresponding to the unicast address information. Alternatively, the terminal may consider that the burst slot corresponding to the unicast address information has a higher priority than the burst slot corresponding to the multicast address information by default. If the terminal is provided with only a plurality of multicast address information and no unicast address information, the priority corresponding to the plurality of multicast address information may be decided by the application. In the scheme of the application, the priority information corresponding to the address information can be equal to the priority information of the pulse time slot corresponding to the address information.
In the embodiment of the present application, the step 201 of determining, by the processing module located in the terminal, that the target address information corresponds to through the priority list in the first mode may include the following sub-steps:
sub-step S2011, the terminal determines that the priority list is not empty before determining the target address information.
Specifically, before determining the target address information, the terminal determines whether the priority list is empty. If the priority list is empty, the terminal defaults to the high priority address information as the target address information. For example, the terminal may consider, by default, the priority corresponding to the unicast address information to be higher than the priority corresponding to the multicast address information. Alternatively, the terminal may consider that the priority corresponding to the multicast address information is higher than the priority corresponding to the unicast address information by default.
And the receiving module 202 is located at the terminal and is configured to receive a first message corresponding to the target address information from the base station.
Specifically, the first message may be any downstream data frame. The terminal determines to receive the downlink data frame corresponding to the target address information in the corresponding pulse time slot through the target address information. The burst slot is determined by a calculation formula containing the destination address information.
In the embodiment of the application, the terminal can distinguish the priority order of the unicast and multicast addresses through the priority list, and when the unicast and multicast transmission collide, the downlink data corresponding to the highest priority address is received according to the priority order, thereby improving the transmission efficiency between the terminal and the base station.
For the device embodiments, since they are substantially similar to the method embodiments, the description is relatively simple, and reference is made to the description of the method embodiments for relevant points.
The embodiment of the application also provides a device, which comprises:
one or more processors; and
one or more machine-readable media having instructions stored thereon, which when executed by the one or more processors, cause the apparatus to perform the method described by the embodiments of the present application.
Embodiments of the application also provide one or more machine-readable media having instructions stored thereon, which when executed by one or more processors, cause an apparatus to perform the methods described in the embodiments of the application.
In this specification, each embodiment is described in a progressive manner, and each embodiment is mainly described by differences from other embodiments, and identical and similar parts between the embodiments are all enough to be referred to each other.
It will be apparent to those skilled in the art that embodiments of the present application may be provided as a method, apparatus, or computer program product. Accordingly, 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 aspects. Furthermore, embodiments of the application may take the form of a computer program product on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, etc.) having computer-usable program code embodied therein.
Embodiments of the present application are described with reference to flowchart illustrations and/or block diagrams of methods, terminal devices (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing terminal device to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing terminal device, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
While preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the scope of the embodiments of the application.
Finally, it is further noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or terminal. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article or terminal device comprising the element.
The above description of the communication method between the terminal and the base station, the communication device between the terminal and the base station, the network access method between the terminal and the network access device between the terminal and the base station provided by the application applies specific examples to illustrate the principle and the implementation of the application, and the above description of the examples is only used for helping to understand the method and the core idea of the application; meanwhile, as those skilled in the art will have variations in the specific embodiments and application scope in accordance with the ideas of the present application, the present description should not be construed as limiting the present application in view of the above.

Claims (7)

1. A method for communicating between a terminal and a base station, comprising:
the terminal determines target address information through a priority list in a first mode, wherein the target address information is address information corresponding to highest priority information, the priority list comprises at least one first address information, at least one second address information, and priority information corresponding to the at least one first address information and the at least one second address information, the first mode is a class B mode in LoRa technology, the first address information is unicast address information, and the second address information is multicast address information;
and the terminal receives a first message corresponding to the target address information from the base station.
2. The method of claim 1, wherein the step of determining the destination address information by the priority list in the first mode by the terminal further comprises:
and before determining the target address information, the terminal judges that the priority list is not empty.
3. The method as recited in claim 2, further comprising:
and if the terminal judges that the priority list is empty in the first mode, taking at least one piece of second address information as target address information.
4. A communication apparatus between a terminal and a base station, comprising:
the processing module is located at the terminal and is used for determining target address information through a priority list in a first mode, wherein the target address information is address information corresponding to highest priority information, the priority list comprises at least one first address information, at least one second address information, and priority information corresponding to the at least one first address information and the at least one second address information, the first mode is a class B mode in LoRa technology, the first address information is unicast address information, and the second address information is multicast address information;
and the receiving module is positioned at the terminal and is used for receiving the first message corresponding to the target address information from the base station.
5. The apparatus of claim 4, wherein the step of determining the destination address information by the priority list in the first mode by the terminal further comprises:
and before determining the target address information, the terminal judges that the priority list is not empty.
6. The apparatus as recited in claim 4, further comprising:
and if the terminal judges that the priority list is empty in the first mode, taking at least one piece of second address information as target address information.
7. A machine readable medium having stored thereon instructions which, when executed by one or more processors, cause an apparatus to perform the method of any of claims 1-3.
CN201811193294.9A 2018-10-14 2018-10-14 Communication method and device for terminal and base station Active CN111050357B (en)

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CN201811193294.9A CN111050357B (en) 2018-10-14 2018-10-14 Communication method and device for terminal and base station
TW108128463A TW202015469A (en) 2018-10-14 2019-08-12 Method and device for communication between terminal and base station
PCT/CN2019/110070 WO2020078231A1 (en) 2018-10-14 2019-10-09 Method and device for communication between terminal and base station

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