CN112770329B

CN112770329B - Internet of things base station, data backhaul processing system and data backhaul processing method

Info

Publication number: CN112770329B
Application number: CN202011626621.2A
Authority: CN
Inventors: 李玉秀; 叶祖铨; 魏海龙; 李健; 曾宪平
Original assignee: Comba Network Systems Co Ltd
Current assignee: Comba Network Systems Co Ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2024-02-23
Anticipated expiration: 2040-12-30
Also published as: CN112770329A

Abstract

The application relates to an Internet of things base station, a data backhaul processing system and a data backhaul processing method. The base station of the Internet of things comprises: the device comprises a main control module, a wired backhaul module and a wireless backhaul module; the main control module is used for determining whether to execute the switching action between the wired backhaul module and the wireless backhaul module according to the current communication link state; the wireless backhaul module is used for performing data interaction with the mobile communication base station under the control of the main control module and performing format conversion on the currently acquired data according to the current communication type; wherein the communication types include: uplink communication between an internet of things terminal and the internet of things base station, or downlink communication between the internet of things terminal and the internet of things base station; the wired backhaul module is used for performing data interaction with the internet of things core network under the control of the main control module. By adopting the base station of the Internet of things, the deployment cost of the base station of the Internet of things can be reduced.

Description

Internet of things base station, data backhaul processing system and data backhaul processing method

Technical Field

The present disclosure relates to the field of communications technologies, and in particular, to an internet of things base station, a data backhaul processing system, and a data backhaul processing method.

Background

With the continuous development of communication technology, the technology of the internet of things appears. The internet of things refers to a technology for connecting any object with a network through information sensing equipment according to a stipulated protocol, and carrying out information exchange and communication on the object through an information transmission medium so as to realize functions of intelligent identification, positioning, tracking, supervision and the like.

At present, the application of the internet of things in China is still in a starting stage, a large-scale internet of things macro base station is usually arranged in a partial area, and when a terminal and an internet of things core network are communicated, the terminal generally sends service data to the internet of things macro base station and sends the service data to the internet of things core network through the internet of things macro base station.

However, the current macro base station of the internet of things has the problem of high deployment cost.

Disclosure of Invention

Based on this, it is necessary to provide an internet of things base station, a data backhaul processing system and a data backhaul processing method capable of reducing the deployment cost of the internet of things base station.

In a first aspect, an internet of things base station is provided, the internet of things base station comprising: the device comprises a main control module, a wired backhaul module and a wireless backhaul module;

The main control module is used for determining whether to execute the switching action between the wired backhaul module and the wireless backhaul module according to the current communication link state;

the wireless backhaul module is used for carrying out data interaction with the mobile communication base station under the control of the main control module and carrying out format conversion on the currently acquired data according to the current communication type; wherein, the communication types include: uplink communication between the terminal of the Internet of things and the base station of the Internet of things, or downlink communication between the terminal of the Internet of things and the base station of the Internet of things;

and the wired backhaul module is used for carrying out data interaction with the internet of things core network under the control of the main control module.

In one embodiment, the wireless backhaul module is specifically configured to

If the current communication type is uplink communication between the Internet of things terminal and the Internet of things base station, uplink communication data of an Internet of things system transmitted by the main control module are obtained;

performing format conversion on uplink communication data of an Internet of things system to obtain uplink communication data of a mobile communication system;

and sending the uplink communication data of the mobile communication system to the mobile communication base station.

In one embodiment, the wireless backhaul module is further configured to

If the current communication type is downlink communication between the terminal of the Internet of things and the base station of the Internet of things, downlink communication data of a mobile communication system sent by the mobile communication base station is received;

performing format conversion on downlink communication data of a mobile communication system to obtain downlink communication data of an Internet of things system;

and transmitting the downlink communication data of the Internet of things system to the main control module.

In one embodiment, the main control module is specifically configured to

Detecting whether the current communication link state is abnormal or not;

if the current communication link state is abnormal, executing the switching action between the wired backhaul module and the wireless backhaul module.

In one embodiment, the main control module is further configured to

Acquiring a backhaul mode configuration parameter; the backhaul configuration parameters are used for representing the priority of the main control module for controlling the wireless backhaul module or the wired backhaul module to perform data interaction;

determining a target backhaul module from the wireless backhaul module and the wired backhaul module according to backhaul configuration parameters;

and determining the communication link where the target backhaul module is located as the current communication link.

In one embodiment, the main control module is specifically configured to

If the target backhaul module is a wireless backhaul module and the communication link state of the wireless backhaul module is abnormal, executing the switching action to take the wired backhaul module as a new target backhaul module;

if the target backhaul module is a wired backhaul module and the communication link state where the wired backhaul module is located is abnormal, the switching operation is performed, so that the wireless backhaul module is used as a new target backhaul module.

In one embodiment, the new target backhaul module is a wired backhaul module, and the master control module is further configured to

After the switching action is executed, continuously detecting whether the communication link state of the target backhaul module is a communicable state;

and if the communication link state of the target backhaul module is a communicable state, switching the communication link of the new target backhaul module to the communication link of the wireless backhaul module.

In one embodiment, the main control module is specifically configured to

If the communication link state of the target backhaul module is a communicable state, detecting whether communication service data exists between the internet of things terminal and the internet of things base station within a preset duration;

If no service data exists in the preset time, the communication link where the new target backhaul module is located is switched to the communication link where the wireless backhaul module is located.

In one embodiment, the new target backhaul module is a wireless backhaul module, and the master control module is further configured to

And if the communication link state of the target backhaul module is a communicable state, switching the communication link of the new target backhaul module to the communication link of the wired backhaul module.

In one embodiment, the main control module is specifically configured to

if no service data exists in the preset time, the communication link where the new target backhaul module is located is switched to the communication link where the wired backhaul module is located.

In one embodiment, the above-mentioned internet of things base station further includes: a radio frequency module;

and the radio frequency module is used for interacting service data of the Internet of things system with the Internet of things terminal.

In a second aspect, a data backhaul processing system is provided, where the data backhaul processing system includes the above-mentioned internet of things base station and a mobile communication base station.

In a third aspect, a data backhaul processing method is provided and applied to an internet of things base station, where the internet of things base station includes a master control module, a wired backhaul module and a wireless backhaul module; the data return processing method comprises the following steps:

the main control module determines whether to execute the switching action between the wired backhaul module and the wireless backhaul module according to the current communication link state;

the wireless backhaul module performs data interaction with the mobile communication base station under the control of the main control module, and performs format conversion on the currently acquired data according to the current communication type; wherein, the communication types include: uplink communication between the terminal of the Internet of things and the base station of the Internet of things, or downlink communication between the terminal of the Internet of things and the base station of the Internet of things;

the wired backhaul module performs data interaction with the internet of things core network under the control of the main control module.

In one embodiment, the wireless backhaul module performs data interaction with a mobile communication base station under control of a main control module, and performs format conversion on currently acquired data according to a current communication type, including:

In one embodiment, the wireless backhaul module performs data interaction with a mobile communication base station under the control of a main control module, performs format conversion on currently acquired data according to a current communication type, and further includes:

In one embodiment, the determining, by the master control module, whether to perform a switching action between the wired backhaul module and the wireless backhaul module according to the current communication link state includes:

detecting whether the current communication link state is abnormal or not;

In one embodiment, before the detecting whether the current communication link state is abnormal, the method further includes:

In one embodiment, if the current communication link state is abnormal, performing a switching action between the wired backhaul module and the wireless backhaul module includes:

In one embodiment, the new target backhaul module is a wired backhaul module, and the method further includes:

In one embodiment, if the communication link state of the target backhaul module is a communicable state, switching the communication link of the new target backhaul module to the communication link of the wireless backhaul module includes:

In one embodiment, the new target backhaul module is a wireless backhaul module, and the method further includes:

In one embodiment, if the communication link state of the target backhaul module is a communicable state, switching the communication link of the new target backhaul module to the communication link of the wired backhaul module includes:

and the radio frequency module interacts service data of the Internet of things system with the Internet of things terminal.

The base station of the Internet of things comprises a main control module, a wired backhaul module and a wireless backhaul module; the main control module can determine whether to execute a switching action between the wired backhaul module and the wireless backhaul module according to the current communication link state, the wireless backhaul module can perform data interaction with the mobile communication base station under the control of the main control module, and perform format conversion on the currently acquired data according to the current communication type, and the wired backhaul module can perform data interaction with the internet of things core network under the control of the main control module. The communication type comprises uplink communication or downlink communication between the terminal of the Internet of things and the base station of the Internet of things. By adopting the base station of the Internet of things, the wireless backhaul module and the wired backhaul module can be switched according to the link state, so that the diversification of network communication is realized; in addition, when the wireless backhaul module is used, data interaction can be performed between the wireless backhaul module and the mobile communication base station, namely, the existing mobile communication base station is adopted to realize data interaction between the internet of things terminal and the internet of things core network, and the data interaction can be realized without establishing too many internet of things macro stations, so that the engineering cost of reconstructing the network can be saved, the construction difficulty is reduced, meanwhile, the network element equipment investment can be saved for operators, and the input cost is reduced; further, the volume of the base station of the Internet of things is smaller, so that the base station of the Internet of things can be arranged in a plurality of areas, the coverage rate of the Internet of things can be further improved, and the aim of wide coverage of the Internet of things is fulfilled.

Drawings

Fig. 1 is a block diagram of a base station of the internet of things in one embodiment;

fig. 2 is a diagram illustrating a detailed structure of a wireless backhaul module according to another embodiment;

fig. 3 is a block diagram of a base station of the internet of things in another embodiment;

fig. 4 is a diagram illustrating a detailed structure of an internet of things base station according to another embodiment;

FIG. 5 is a schematic diagram of software layers on a SOC chip according to another embodiment;

fig. 6 is a schematic flow chart of uplink and downlink communication by using a backhaul module in another embodiment; the method comprises the steps of carrying out a first treatment on the surface of the

FIG. 7 is a block diagram of a data backhaul processing system in one embodiment;

FIG. 8 is a flow chart of a data backhaul processing method according to an embodiment.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the present application will be further described in detail with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present application.

In a first aspect, as shown in fig. 1, there is provided an internet of things base station, the internet of things base station 10 including: the device comprises a main control module 101, a wired backhaul module 102 and a wireless backhaul module 103;

The main control module 101 is configured to determine whether to perform a switching action between the wired backhaul module and the wireless backhaul module according to a current communication link state;

the wireless backhaul module 103 is configured to interact data with the mobile communication base station under control of the main control module, and perform format conversion on currently acquired data according to a current communication type; wherein, the communication types include: uplink communication between the terminal of the Internet of things and the base station of the Internet of things, or downlink communication between the terminal of the Internet of things and the base station of the Internet of things;

the wired backhaul module 102 is configured to perform data interaction with the internet of things core network under control of the main control module.

In this embodiment, the main control module 101, the wired backhaul module 102, and the wireless backhaul module 103 may be implemented in the form of hardware entities such as hardware circuits and/or chips.

The main control module 101 may include a SOC Chip (System-on-a-Chip), an FPGA Chip (Field Programmable Gate Array ), and the like. The SOC chip mainly realizes air interface side, protocol stack, control link switching and the like; the FPGA chip mainly realizes hardware circuit detection, baseband conversion of data and the like.

The wired backhaul module 102 may include an LMT-PHY (Local Maintenance Terminal-Physical, local maintenance terminal-port Physical layer) chip, an LMT/RJ45 network port, a WAN-PHY (Wide Area Network-Physical, wide area network-port Physical layer) chip, a WAN/RJ45 network port, etc., although other devices or chips may be included. The wireless backhaul module 103 mainly realizes that the data of the base station of the internet of things is transmitted back to the core network of the internet of things in a wired way, and can be connected with various rates of 10Mbps/100Mbps/1000Mbps in a self-adaptive wired way.

Referring to fig. 2, the wireless backhaul module 103 may include a control chip, a radio frequency module, an analog-to-digital conversion module, a storage medium chip, a power chip, and a clock chip. The control chip can be an SOC chip, mainly realizes the 2G/3G/4G protocol station and the baseband processing function, can select to reside in a 2G, 3G or 4G base station according to a cell selection principle, monitors software control and state detection functions, can detect whether a module resides in the 2G/3G/4G base station, and reports the network residence condition of the main control module of the Internet of things. The chip is denoted as SOC1 chip.

The radio frequency module is an integrated radio frequency module supporting 2G, 3G, 4G and 5G, and is mainly exemplified by 2G, 3G and 4G, and is denoted as a 2G/3G/4G RF module, so as to realize the functions of receiving and transmitting signals and amplifying signals from 2G/3G/4G baseband signals to air interfaces (uplink and downlink).

The analog-to-digital conversion module is realized by adopting an AD/DA chip and is recorded as an AD/DA1 chip, and the analog-to-digital and frequency mixing filtering processing of the 2G/3G/4G baseband signals is realized.

And the wireless backhaul antenna realizes the outward transmission and reception of radio frequency signals.

The storage medium chip is recorded as a storage medium chip 1, comprises a DDR1 chip and a FLASH1 chip, and mainly stores software of the SOC1 chip of the wireless backhaul module.

The power chip is marked as a power chip 1 and realizes the power function required by each chip of the module.

A clock chip, denoted as TCXO (emperature Compensate X' al) Oscillator, is a temperature compensated crystal Oscillator) chip, and mainly provides the working clock required by each chip on the wireless backhaul module 103.

In addition, the wireless backhaul module 103 mainly receives data from the main control module 101 through the SGMII interface. The above-mentioned internet of things core network refers to an internet of things core network corresponding to an internet of things base station, which may be different from a mobile communication core network corresponding to a mobile communication base station; the mobile communication base station may be a 2G/3G/4G/5G base station, and the mobile communication core network may be a 2G/3G/4G/5G core network. The internet of things base station may be a narrowband internet of things base station, denoted as NB-IOT (Narrow Band-Internet of Tings) base station. The internet of things terminal may be an intelligent electronic device (e.g., a mobile phone, a computer, an IPAD, etc.), a home device (e.g., a television, a refrigerator, a washing machine, etc.), or a mobile device (e.g., a vehicle, etc.).

Further, the main control module 101 is connected to the wired backhaul module 102 and the wireless backhaul module 103 respectively. When the data communication is performed between the internet of things terminal and the internet of things base station as well as between the internet of things core network, the main control module 101 can select a communication link where the wired backhaul module 102 is located to perform data reporting or issuing, and can also select a communication link where the wireless backhaul module 103 is located to perform data reporting or issuing.

The communication link where the wired backhaul module 102 is located is an internet of things terminal-a main control module-the wired backhaul module 102-an internet of things core network. The communication link where the wireless backhaul module 103 is located is an internet of things terminal-a main control module-the wireless backhaul module 103-a mobile communication base station-a mobile communication core network-an internet of things core network.

In the actual communication process, after the modules such as the master control module 101, the wired backhaul module 102, and the wireless backhaul module 103 are powered on, the master control module 101 may select a default communication link to perform communication (may be a communication link where the wired backhaul module 102 is located or a communication link where the wireless backhaul module 103 is located). In the communication process, the main control module 101 may detect the current state of the communication link to obtain the current state of the communication link, and then, the main control module 101 may determine whether to switch the communication link according to the current state of the communication link, i.e. switch the communication link where the wired backhaul module 102 is located or the communication link where the wireless backhaul module 103 is located. For example, when communication is currently performed on the communication link where the wired backhaul module 102 is located, during the handover, the communication link where the wired backhaul module 102 is located may be switched to the communication link where the wireless backhaul module 103 is located. Of course, the method may also be reverse switching, and in any case, according to the current communication link state, the master control module may select whether to switch the communication link where the wired backhaul module 102 is located and the communication link where the wireless backhaul module 103 is located.

Assuming that the communication link where the wired backhaul module 102 is located is switched to the communication link where the wireless backhaul module 103 is located by the master control module 101, after the switching, the master control module 101 can control the wireless backhaul module 103 to perform operations such as power-up, initialization, and normal configuration parameters, and then can use the communication link where the wireless backhaul module 103 is located for communication. In the communication process, the wireless backhaul module 103 may perform format conversion on the acquired data according to the uplink and downlink communication types, where the acquired data may be sent by the main control module 101 in the uplink communication process and may be sent by the mobile communication base station in the downlink communication process; in summary, data format conversion may be performed, and the data after format conversion may be sent to a next module or network element.

For example, if the uplink communication is performed, the data transmitted from the main control module 101 may be converted into a data format required by the mobile communication base station, and then transmitted to the internet of things core network by the mobile communication base station via the mobile communication core network. If the communication is downlink communication, the data received by the mobile communication base station can be converted into a data format required by the main control module, then the data is transmitted to the main control module, and the data is processed by the main control module and then transmitted to the terminal of the Internet of things, so that wireless return of the data is completed.

Of course, it may also be assumed that the master control module 101 performs switching from the communication link where the wireless backhaul module 103 is located to the communication link where the wired backhaul module 102 is located, and after the switching, the master control module 101 may control the wired backhaul module 102 to perform operations such as powering up, initializing, and configuring parameters normally, and then may use the communication link where the wired backhaul module 102 is located to perform communication. In the communication process, if uplink communication is performed, the wired backhaul module 102 may send the data of the terminal of the internet of things sent by the main control module 101 to the core network of the internet of things in a wired manner; if the communication is downlink communication, the wired backhaul module 102 may transmit the data sent by the internet of things core network to the main control module 101, and then the data is processed by the main control module 101 and then sent to the internet of things terminal, so as to complete the wired backhaul of the data.

It should be noted that, when the above-mentioned thing networking basic station is setting up, can adopt the chip that integrates and adopt power and volume less other devices or modules, can make this thing networking basic station's volume less like this, correspondingly, the cost also can reduce.

In another embodiment, with continued reference to fig. 2, this embodiment relates to a specific process of how the wireless backhaul module performs format conversion on data during uplink and downlink communications.

First, an uplink communication procedure is described as an example:

the wireless backhaul module 103 is specifically configured to obtain uplink communication data of an internet of things system transmitted by the main control module if the current communication type is uplink communication between the internet of things terminal and the internet of things base station; performing format conversion on uplink communication data of an Internet of things system to obtain uplink communication data of a mobile communication system; and sending the uplink communication data of the mobile communication system to the mobile communication base station.

That is, in the uplink communication process, the internet of things terminal may send uplink service data to the internet of things base station, the main control module 101 of the internet of things base station may perform protocol stack processing, baseband processing, etc. on the uplink service data to obtain uplink communication data in the internet of things system, then the main control module 101 transmits the uplink communication data in the internet of things system to the wireless backhaul module 103, the wireless backhaul module 103 may determine, through the network residence condition, which base station in the mobile communication system is currently in communication, and then, may convert the uplink communication data in the internet of things system into uplink communication data in the mobile communication system, and after format conversion, send the converted uplink communication data in the mobile communication system to the mobile communication base station corresponding to the mobile communication system. And then, the mobile communication base station can send the data to the internet of things core network through the mobile communication core network, and the internet of things core network can receive the data sent by the internet of things terminal, namely, the uplink communication is completed.

The base station of the mobile communication system may be a 2G base station, a 3G base station, a 4G base station, a 5G base station, or the like.

Next, a downstream communication process will be described as an example:

the wireless backhaul module 103 is further configured to receive downlink communication data of a mobile communication system sent by a mobile communication base station if the current communication type is downlink communication between the terminal of the internet of things and the base station of the internet of things; performing format conversion on downlink communication data of a mobile communication system to obtain downlink communication data of an Internet of things system; and transmitting the downlink communication data of the Internet of things system to the main control module.

That is, in the downlink communication process, the internet of things core network may send downlink service data to be sent to the internet of things terminal to the mobile communication core network corresponding to the communicable mobile communication base station, and then send the downlink service data to the mobile communication base station through the mobile communication core network. After that, the mobile communication base station can process the downlink communication data into downlink communication data of a mobile communication system and send the downlink communication data to the wireless backhaul module 103, the wireless backhaul module 103 can convert the downlink communication data of the mobile communication system into downlink communication data of an internet of things system and transmit the downlink communication data to the main control module 101, after the main control module 101 performs protocol stack processing, baseband processing and the like, the main control module 101 can send the processed downlink communication data to the internet of things terminal via radio frequency, and the internet of things terminal can receive the data sent by the internet of things core network, namely, the downlink communication is completed.

In this embodiment, the wireless backhaul module may convert different data formats in uplink and downlink communications into a data format receivable by a next-stage device or module, and send the data format to the next-stage device or module. Through the data format conversion, the accuracy of data in the uplink and downlink communication process can be ensured.

In another embodiment, with continued reference to fig. 1, the present embodiment relates to a specific process in which the master control module detects the current communication link state to perform a switching action between the wireless backhaul module and the wired backhaul module.

The main control module 101 is specifically configured to detect whether an abnormality exists in a current communication link state; if the current communication link state is abnormal, executing the switching action between the wired backhaul module and the wireless backhaul module.

Here, after all modules of the base station of the internet of things are powered on, the main control module 101 may select a default communication link to communicate, and then may detect whether the current state of the communication link is abnormal. The detection may be performed by the network diagnostic tool ping, but may be performed by other manners, and in any case, the main control module 101 may detect whether the current communication link state is abnormal.

When the main control module 101 detects that the current communication link is on and there is no packet loss problem, the main control module 101 can consider the current communication link state as a communicable state, and then the current communication link can be used for uplink and downlink communication. If the current communication link is not enabled and there is a packet loss problem, the master control module 101 can consider the current communication link status as abnormal, and the master control module 101 needs to switch the communication link.

Further, before the main control module 101 selects the default communication link, the default communication link may be obtained according to the priority configured in advance. Optionally, the main control module is further configured to obtain a backhaul configuration parameter; the backhaul configuration parameters are used for representing the priority of the main control module for controlling the wireless backhaul module or the wired backhaul module to perform data interaction; determining a target backhaul module from the wireless backhaul module and the wired backhaul module according to backhaul configuration parameters; and determining the communication link where the target backhaul module is located as the current communication link.

That is, the base station of the internet of things may configure the switching priority for the communication link where the wireless backhaul module 103 is located and the communication link where the wired backhaul module 102 is located in advance. The communication link where the wireless backhaul module 103 is located is referred to herein as a wireless backhaul link, and the communication link where the wired backhaul module 102 is located is referred to herein as a wired backhaul link. Then the handover priority here may include the following: only wired backhaul link mode, only wireless backhaul link mode, priority wired backhaul link mode, priority wireless backhaul link mode. This may meet various configuration requirements of the operators, as follows:

Only the wired backhaul link mode is used, the priority of the wired backhaul link mode is highest, the wired backhaul module corresponding to the wired backhaul link is the target backhaul module, and the wired backhaul link is the current communication link; when the wired backhaul link is used, the wireless backhaul module is powered off to save energy. The wired backhaul link is abnormal, and the base station of the internet of things cannot adaptively switch the wireless backhaul link mode.

Only a wireless backhaul link mode, only a wired backhaul link mode is used, the priority of the wireless backhaul link mode is highest, wherein a wireless backhaul module corresponding to the wireless backhaul link is a target backhaul module, and the wireless backhaul link is a current communication link; when the wireless backhaul link is used, the wired backhaul module is powered off and saves energy. When the wireless backhaul link is abnormal, the base station of the Internet of things cannot be adaptively switched into a wired backhaul link mode to realize wired backhaul of the service of the Internet of things.

The method comprises the steps that a wired backhaul link mode is prioritized, the priority of the wired backhaul link is higher than that of a wireless backhaul link, then the wired backhaul link is selected by default, a wired backhaul module corresponding to the wired backhaul link is a target backhaul module, and the wired backhaul link is a current communication link; when the wired backhaul link is abnormal, the base station of the internet of things can be adaptively switched into the wireless backhaul link.

The wireless backhaul link mode is prioritized, the priority of the wireless backhaul link is higher than that of the wired backhaul link, and then the wireless backhaul link is selected by default, wherein a wireless backhaul module corresponding to the wireless backhaul link is a target backhaul module, and the wireless backhaul link is a current communication link; when the wireless backhaul link is abnormal, the base station of the internet of things can be adaptively switched into the wired backhaul link.

It should be noted that, in this embodiment, two priority configurations, that is, a priority wired backhaul link mode and a priority wireless backhaul link mode, are mainly adopted, that is, switching between the wireless backhaul link and the wired backhaul link is performed in the communication process.

During specific switching, the master control module is optionally configured to execute the switching action if the target backhaul module is a wireless backhaul module and the communication link state where the wireless backhaul module is located is abnormal, so as to use the wired backhaul module as a new target backhaul module; if the target backhaul module is a wired backhaul module and the communication link state where the wired backhaul module is located is abnormal, the switching operation is performed, so that the wireless backhaul module is used as a new target backhaul module.

That is, when the communication link is switched from the wireless backhaul link to the wired backhaul link, the wired backhaul module corresponding to the wired backhaul link can be used as a new target backhaul module, i.e. the backhaul module used in the current communication; when the communication link is switched from the wired backhaul link to the wireless backhaul link, the wireless backhaul module corresponding to the wireless backhaul link can be used as a new target backhaul module, i.e. the backhaul module used in the current communication.

In this embodiment, the master control module may detect whether the current communication link state is abnormal, and perform the switching between the wireless backhaul module and the wired backhaul module when the current communication link state is abnormal, so that the switching between the two backhaul modules may be performed more accurately, and resource waste caused by erroneous switching is avoided. Furthermore, the main control module can also configure the use priority of the wireless backhaul module and the wired backhaul module, so that the two backhaul modules can be used orderly, and communication errors caused by unaware of which backhaul module is used first are avoided; and when the two backhaul modules are switched, accurate switching can be realized according to the configured use priority, and the switching efficiency is improved.

In another embodiment, with continued reference to fig. 1, the present embodiment relates to a specific process of how the master control module switches the current communication link specifically when the new target backhaul module is a wired backhaul module or when the new target backhaul module is a wireless backhaul module.

First, a new target backhaul module is taken as a wired backhaul module as an example to be described:

the main control module 101 is further configured to continuously detect whether a communication link state where the target backhaul module is located is a communicable state after the switching operation is performed; and if the communication link state of the target backhaul module is a communicable state, switching the communication link of the new target backhaul module to the communication link of the wireless backhaul module.

That is, the current communication link is a wireless backhaul link, and when the wireless backhaul link is abnormal, the wireless backhaul link is switched to a wired backhaul link. After the switching, the main control module 101 may also detect whether the wireless backhaul link is restored to be normal, i.e. to be in a communicable state, and switch the wired backhaul link back to the wireless backhaul link when the wireless backhaul link is restored to be in a communicable state. The detection of whether the wireless backhaul link is in a communicable state may be the same as the detection of whether the current communication link state is abnormal, and may be regarded as a communicable state when there is no abnormality.

When the main control module specifically switches back the wireless backhaul link, optionally, if the communication link state of the target backhaul module is a communicable state, detecting whether communication service data exists between the internet of things terminal and the internet of things base station within a preset duration; if no service data exists in the preset time, the communication link where the new target backhaul module is located is switched to the communication link where the wireless backhaul module is located.

The preset time period here may be 1 minute, 2 minutes, 3 minutes, 5 minutes, or the like. Taking 5 minutes as an example, after detecting that the wireless backhaul link before the wireless backhaul link returns to normal, the main control module 101 can continuously detect whether the currently used wired backhaul link has service data between the internet of things terminal and the internet of things core network within 5 minutes, if the currently used wired backhaul link does not have service data within 5 minutes, the main control module 101 can switch the currently used wired backhaul link back to the wireless backhaul link again, and uplink and downlink communication is performed by using the wireless backhaul link.

Next, a description will be given by taking a new target backhaul module as a wired backhaul module as an example:

the master control module 101 is further configured to switch the communication link where the new target backhaul module is located to the communication link where the wired backhaul module is located if the communication link state where the target backhaul module is located is a communicable state.

That is, the current communication link is a wired backhaul link, and when the wired backhaul link is abnormal, the wired backhaul link is switched to a wireless backhaul link. After the switching, the main control module 101 may also detect whether the wired backhaul link is restored to be normal, i.e. to be in a communicable state, and switch the wireless backhaul link back to the wired backhaul link when the wired backhaul link is restored to be in a communicable state. The detection of whether the wired backhaul link is in a communicable state may be the same as the detection of whether the current communication link state is abnormal, and may be regarded as a communicable state when there is no abnormality.

When the master control module specifically switches back the wired backhaul link, optionally, if the state of the communication link where the target backhaul module is located is a communicable state, detecting whether communication service data exists between the internet of things terminal and the internet of things base station within a preset duration; if no service data exists in the preset time, the communication link where the new target backhaul module is located is switched to the communication link where the wired backhaul module is located.

The preset time period here may also be 1 minute, 2 minutes, 3 minutes, 5 minutes, or the like. Taking 5 minutes as an example, after detecting that the former wired backhaul link is recovered to be normal, the main control module 101 can continuously detect whether service data exists between the internet of things terminal and the internet of things core network on the currently used wireless backhaul link within 5 minutes, if no service data exists within 5 minutes, the main control module 101 can switch the currently used wireless backhaul link back to the wired backhaul link again, and uplink and downlink communication is performed by using the wired backhaul link.

In this embodiment, after the backhaul link is switched, the master control module may detect whether the backhaul link that is started to be used is in a communicable state, and when the backhaul link that is currently used is in a communicable state, switch back the backhaul link that is started to be used. This ensures flexible switching of the backhaul link to meet the high quality requirements of actual communication. Further, the return link switching is performed when no service data exists in the preset duration, so that the problem of packet loss of the current service data caused by the return link switching can be avoided, and accurate return of the service data is ensured.

In another embodiment, referring to fig. 3, the above-mentioned base station for internet of things further includes: a radio frequency module 104; the radio frequency module 104 is configured to interact with service data in an internet of things system with an internet of things terminal, and can amplify, filter and other processes for service data received and sent in uplink and downlink.

It should be noted that, compared with the existing radio frequency module of the macro station of the internet of things, the radio frequency module 104 has small volume and small power, so that the volume of the base station of the internet of things is smaller, correspondingly, the hardware cost is reduced, and the power consumption is also reduced. When an operator deploys the base station of the Internet of things, the base station of the Internet of things is small in size, is not limited by sites, improves the application range of a deployment scene, and further can achieve the purposes of high-efficiency deployment, wide coverage range, saving and environmental protection.

Referring specifically to fig. 4, the above-mentioned base station of the internet of things may further include:

the analog-to-digital conversion module, namely the AD/DA chip, realizes the analog-to-digital conversion of the radio frequency signal in the uplink communication process, converts the radio frequency signal into an intermediate frequency signal (even zero frequency), and carries out the processes of mixing, filtering and the like on the converted signal. In the downlink communication process, the baseband signal is mixed to radio frequency, digital-to-analog conversion is carried out on the radio frequency signal, and filtering and signal amplification processing are carried out on the converted signal after mixing.

The clock TCXO chip mainly provides the work clock function required by each chip of the whole system of the base station of the Internet of things.

And the antenna of the Internet of things, namely an NB-IOT antenna, realizes the outward transmission and reception of radio frequency signals.

And the GPS (Global Positioning System ) module is used for receiving the GPS 1PPS second flushing signal processing module and realizing the periodic GPS synchronization function of the base station system of the Internet of things.

The storage medium chip comprises a DDR chip and a FLASH chip. And the SOC system software of the base station of the Internet of things is mainly stored.

POE (Power Over Ethernet, active Ethernet) power module realizes the power function that each chip of the whole system of thing networking basic station needs.

And the power chip is used for providing power functions required by each chip of the whole system of the base station of the Internet of things.

Here, the main functions of the SOC chip and the FPGA chip in the main control module 101 will be described in detail as follows:

the SOC chip is used for completing related functions and protocol stacks of the NB-IoT base station, uu air interface sides L1, L2 and L3; network side S1 interface function and related protocol stack; remote and local operation maintenance functions and the like; and the control functions of the backhaul link switching, configuration and the like.

The software running on the SOC chip includes: OAM (Operation Administration and Maintenance, operation and maintenance management), L1, L2, L3, CMAC (C-Media Access Control, media access control), DRV (Device Driver), the architecture of each layer of software is shown in FIG. 5, and the main functions of each layer of software are as follows:

OAM software implementation: the control functions of the return link switching, configuration and the like, the operation state management of the base station system of the Internet of things, the local and remote upgrading processing, the network management interaction management and the like. S1 software implementation: and processing data at the network side. L3 software implementation: logic processing of the control plane. L2 software implementation: and managing a wireless link and processing data transmission on the NB air interface side. CMAC software implementation: and data scheduling at the NB air interface side. L1 software implementation: NB physical layer functions are implemented. DRV software implementation: and the SOC chip operating system and application manage and control external interfaces.

FPGA chip, running FPGA program, realizing the function: the system comprises uplink IQ data and downlink IQ data baseband processing, a hardware link detection function of a wired backhaul link and a wireless backhaul link, a network port data switch function, a GPS synchronization function, a 1588ACR synchronization function, an Internet of things base station system timing, frame number generation and maintenance, and configuration and access of an auxiliary SOC chip to system peripheral equipment.

In this embodiment, the base station of the internet of things further includes an analog-to-digital conversion module, a clock module, an analog-to-digital conversion module, a storage medium, an antenna, and the like. Therefore, uplink and downlink communication between the terminal of the Internet of things and the base station of the Internet of things and the core network of the Internet of things can be completely realized.

The internet of things base station can also be applied to the fields of intelligent meter, shared bicycle, intelligent home, water pollution monitoring, internet of vehicles and the like, and referring to fig. 6, the implementation of the adaptive switching backhaul link of the internet of things base station of the present application is described below in conjunction with an intelligent meter reading service.

First, a specific procedure of using the wireless backhaul module 103 for uplink and downlink communication will be described:

when the wireless backhaul module 103 is used for uplink communication, the data backhaul processing flow is as follows:

The method comprises the steps that an Internet of things base station receives uplink data (serving as business data of an Internet of things terminal) through an NB-IOT antenna, filtering and frequency conversion are carried out through an RF module, analog-to-digital processing is carried out on an AD/DA chip, baseband processing is carried out on an FPGA chip, an SOC chip carries out L1/L2/L3, protocol signal processing is carried out on the Internet of things, IQ baseband signals are transmitted to a wireless backhaul module through an WAN-PHY SGMII interface through an FPGA chip interaction function, the wireless backhaul module carries out on the NB IQ baseband data through the internal SOC1 chip, a 2G/3G/4G protocol station and baseband signal processing, the uplink baseband IQ data of the Internet of things bear the user plane data of the 2G/3G/4G, the baseband IQ data of the 2G/3G/4G is processed through a wireless backhaul module AD/DA1 chip digital-to-analog signal processing, the 2G/3G/4G RF module up-converts the IQ baseband signals into radio frequency signals, the radio signals are transmitted through the 2G/3G/4G antenna module after filtering, and the 2G/3G/4G macro base station receives the data through a Uu interface.

In fig. 6, the IP data is returned to the LTE security/signaling gateway through the public network or the GPON, the user plane data is accessed to the S-GW of the LTE macro station core network through the S1-U interface, and the mobile communication core network (LTE core network) S-GW solves out the NB uplink service data encapsulated in the GTP tunnel and transmits back to the internet of things core network (NB-IOT core network) through the Gi interface.

The downlink communication using the wireless backhaul module 103 is the reverse process of the uplink communication data processing using the wireless backhaul module 103, and will not be described herein.

Next, a specific procedure of using the wired backhaul module 102 for uplink and downlink communication will be described:

when the wired backhaul module 102 is used for uplink communication, the data backhaul processing flow is as follows:

the base station of the Internet of things receives uplink data (service data of a terminal of the Internet of things) through an NB-IOT antenna, filters and converts frequency through an RF module, carries out analog-to-digital processing on an AD/DA chip, carries out baseband processing on an FPGA chip and carries out L1/L2/L3 and protocol signal processing on an SOC chip, and after the IQ baseband signal is transmitted back to a public network or a GPON network through a WAN-PHY through an FPGA chip interaction function, the service data of the Internet of things is transmitted to an NB-IoT LTE security/signaling gateway through the public network or the GPON network and is transmitted back to an Internet of things core network (NB-IOT core network) through an S1-C interface.

The downlink communication using the wired backhaul module 102 is the reverse process of the uplink communication data processing using the wired backhaul module 102, which is not described herein.

In a second aspect, as shown in fig. 7, a data backhaul processing system is provided, where the data backhaul processing system includes the above-mentioned internet of things base station 10 and mobile communication base station 11.

In a third aspect, as shown in fig. 8, a data backhaul processing method is provided, where the method is applied to the base station of the internet of things shown in fig. 1, and the method may include the following steps:

s202, the main control module determines whether to execute the switching action between the wired backhaul module and the wireless backhaul module according to the current communication link state.

S204, the wireless backhaul module performs data interaction with the mobile communication base station under the control of the main control module, and performs format conversion on the currently acquired data according to the current communication type; wherein, the communication types include: uplink communication between the terminal of the Internet of things and the base station of the Internet of things, or downlink communication between the terminal of the Internet of things and the base station of the Internet of things.

S206, the wired backhaul module performs data interaction with the Internet of things core network under the control of the main control module.

The explanation of S202-S206 may be referred to the explanation at the base station of the internet of things, and will not be repeated here. Note that there is no restriction on the order of S202 to S206.

In this embodiment, the master control module may determine whether to perform a switching action between the wired backhaul module and the wireless backhaul module according to the current communication link state, where the wireless backhaul module may perform data interaction with the mobile communication base station under control of the master control module, and perform format conversion on currently acquired data according to the current communication type, and the wired backhaul module may perform data interaction with the internet of things core network under control of the master control module. The communication type comprises uplink communication or downlink communication between the terminal of the Internet of things and the base station of the Internet of things. By adopting the base station of the Internet of things, the wireless backhaul module and the wired backhaul module can be switched according to the link state, so that the diversification of network communication is realized; in addition, when the wireless backhaul module is used, data interaction can be performed between the wireless backhaul module and the mobile communication base station, namely, the existing mobile communication base station is adopted to realize data interaction between the internet of things terminal and the internet of things core network, and the data interaction can be realized without establishing too many internet of things macro stations, so that the engineering cost of reconstructing the network can be saved, the construction difficulty is reduced, meanwhile, the network element equipment investment can be saved for operators, and the input cost is reduced; further, the volume of the base station of the Internet of things is smaller, so that the base station of the Internet of things can be arranged in a plurality of areas, the coverage rate of the Internet of things can be further improved, and the aim of wide coverage of the Internet of things is fulfilled.

In another embodiment, the step S204 may include the following steps:

Optionally, the step S204 may further include the following steps:

The format conversion of the uplink and downlink communication data can be referred to the explanation at the base station of the internet of things, and will not be repeated here.

In another embodiment, the step S202 may include the following steps:

detecting whether the current communication link state is abnormal or not;

Optionally, before the detecting whether the current communication link state is abnormal, the method may further include the following steps:

Optionally, if the current communication link state is abnormal, performing a switching action between the wired backhaul module and the wireless backhaul module, including:

Here, whether the communication link is abnormal or not and the switching process between the wireless backhaul module and the wired backhaul module is performed may refer to the explanation at the base station of the internet of things, which is not repeated here.

In another embodiment, the new target backhaul module is a wired backhaul module, and the method may further include the following steps:

Optionally, if the communication link state of the target backhaul module is a communicable state, switching the communication link of the new target backhaul module to the communication link of the wireless backhaul module includes:

Optionally, the new target backhaul module is a wireless backhaul module, and the method may further include the following steps:

Optionally, if the communication link state of the target backhaul module is a communicable state, switching the communication link of the new target backhaul module to the communication link of the wired backhaul module includes:

The specific switching process between the wireless backhaul module and the wired backhaul module may be referred to the explanation at the base station of the internet of things, which is not described herein.

In another embodiment, the above-mentioned internet of things base station further includes: a radio frequency module; the radio frequency module interacts service data of an Internet of things system with the Internet of things terminal.

The operations performed by the radio frequency module may be referred to the explanation at the base station of the internet of things, and will not be described herein.

In this embodiment, compared with the existing radio frequency module of the macro station of the internet of things, the radio frequency module has small volume and small power, so that the volume of the base station of the internet of things is smaller, correspondingly, the hardware cost is reduced, and the power consumption is also reduced. When an operator deploys the base station of the Internet of things, the base station of the Internet of things is small in size, is not limited by sites, improves the application range of a deployment scene, and further can achieve the purposes of high-efficiency deployment, wide coverage range, saving and environmental protection.

The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples merely represent a few embodiments of the present application, which are described in more detail and are not to be construed as limiting the scope of the invention. It should be noted that it would be apparent to those skilled in the art that various modifications and improvements could be made without departing from the spirit of the present application, which would be within the scope of the present application. Accordingly, the scope of protection of the present application is to be determined by the claims appended hereto.

Claims

1. The utility model provides an thing networking basic station which characterized in that, thing networking basic station includes: the device comprises a main control module, a wired backhaul module and a wireless backhaul module;

the wireless backhaul module is used for performing data interaction with the mobile communication base station under the control of the main control module and performing format conversion on the currently acquired data according to the current communication type; wherein the communication types include: uplink communication between an internet of things terminal and the internet of things base station, or downlink communication between the internet of things terminal and the internet of things base station; the communication link where the wireless backhaul module is located is an internet of things terminal-a main control module-a wireless backhaul module-a mobile communication base station-a mobile communication core network-an internet of things core network;

the wired backhaul module is used for performing data interaction with the internet of things core network under the control of the main control module;

the main control module is also used for

Acquiring a backhaul mode configuration parameter; the backhaul configuration parameters are used for representing priorities of the main control module for controlling the wireless backhaul module or the wired backhaul module to perform data interaction, and the priorities represent switching priorities of link modes;

Determining a target backhaul module from the wireless backhaul module and the wired backhaul module according to the backhaul configuration parameters;

and determining the communication link where the target backhaul module is located as a current communication link.

2. The base station of claim 1, wherein the wireless backhaul module is specifically configured to

performing format conversion on the uplink communication data of the Internet of things system to obtain uplink communication data of a mobile communication system;

3. The base station of claim 2, wherein the wireless backhaul module is further configured to

If the current communication type is downlink communication between the Internet of things terminal and the Internet of things base station, downlink communication data of a mobile communication system sent by the mobile communication base station is received;

performing format conversion on the downlink communication data of the mobile communication system to obtain the downlink communication data of the Internet of things system;

4. The base station of any one of claims 1-3, wherein the main control module is specifically configured to

Detecting whether the current communication link state is abnormal;

and if the current communication link state is abnormal, executing the switching action between the wired backhaul module and the wireless backhaul module.

5. The base station of claim 1, wherein the master control module is specifically configured to

and if the target backhaul module is a wired backhaul module and the communication link state of the wired backhaul module is abnormal, executing the switching action to take the wireless backhaul module as a new target backhaul module.

6. The base station of claim 5, wherein the new target backhaul module is the wired backhaul module, and the master control module is further configured to

7. The base station of claim 6, wherein the master control module is specifically configured to

and if the service data does not exist in the preset time, switching the communication link where the new target backhaul module is located to the communication link where the wireless backhaul module is located.

8. The base station of claim 6, wherein the new target backhaul module is the wireless backhaul module, and the master control module is further configured to

9. The internet of things base station according to claim 8, wherein the master control module is specifically configured to

and if the service data does not exist in the preset time, switching the communication link where the new target backhaul module is located to the communication link where the wired backhaul module is located.

10. The internet of things base station of claim 1, further comprising: a radio frequency module;

11. A data backhaul processing system, characterized in that the data backhaul processing system comprises the internet of things base station of any one of claims 1 to 10 and the mobile communication base station.

12. The data backhaul processing method is characterized by being applied to an Internet of things base station, wherein the Internet of things base station comprises a main control module, a wired backhaul module and a wireless backhaul module; the data return processing method comprises the following steps:

the wireless backhaul module performs data interaction with a mobile communication base station under the control of the main control module, and performs format conversion on the currently acquired data according to the current communication type; wherein the communication types include: uplink communication between an internet of things terminal and the internet of things base station, or downlink communication between the internet of things terminal and the internet of things base station; the communication link where the wireless backhaul module is located is an internet of things terminal-a main control module-a wireless backhaul module-a mobile communication base station-a mobile communication core network-an internet of things core network;

the wired backhaul module performs data interaction with the internet of things core network under the control of the main control module;

the method further comprises the steps of:

13. The method according to claim 12, wherein the wireless backhaul module performs data interaction with a mobile communication base station under the control of the main control module, and performs format conversion on currently acquired data according to a current communication type, including:

14. The method according to claim 13, wherein the wireless backhaul module performs data interaction with a mobile communication base station under the control of the main control module, and performs format conversion on currently acquired data according to a current communication type, and further comprising:

15. The method for processing data backhaul according to any one of claims 12 to 14, wherein the determining, by the main control module, whether to perform a handover between the wired backhaul module and the wireless backhaul module according to a current communication link state includes:

detecting whether the current communication link state is abnormal;

16. The method of claim 15, wherein performing a handover between the wired backhaul module and the wireless backhaul module if the current communication link state is abnormal comprises:

17. The method of claim 16, wherein the new target backhaul module is the wired backhaul module, and further comprising:

18. The method of claim 17, wherein if the communication link state of the target backhaul module is a communicable state, switching the communication link of the new target backhaul module to the communication link of the wireless backhaul module comprises:

19. The method of claim 17, wherein the new target backhaul module is the wireless backhaul module, and further comprising:

20. The method of claim 19, wherein if the communication link state of the target backhaul module is a communicable state, switching the communication link of the new target backhaul module to the communication link of the wired backhaul module comprises:

21. The data backhaul processing method according to claim 12, wherein the base station of the internet of things further comprises a radio frequency module;

and the radio frequency module interacts service data of an Internet of things system with the Internet of things terminal.