CN209787476U

CN209787476U - Small base station with NB wireless communication remote maintenance function

Info

Publication number: CN209787476U
Application number: CN201920853861.2U
Authority: CN
Inventors: 刘国勇
Original assignee: Super Communications Co Ltd
Current assignee: Super Communications Co Ltd
Priority date: 2019-06-06
Filing date: 2019-06-06
Publication date: 2019-12-13
Anticipated expiration: 2029-06-06

Abstract

A small cell base station for remote maintenance of self-contained NB wireless communications is disclosed. The small cell includes: a controller configured to transmit a control instruction to control an operation of the small cell; a reset circuit configured to reset the small cell; a power supply circuit configured to control power supply of the small cell; and the NB module is in communication connection with the controller so as to transmit the control instruction sent by the controller to the reset circuit and the power supply circuit, wherein the NB module performs data exchange with a remote control terminal through narrow-band communication. The small base station according to the present disclosure facilitates remote maintenance and control.

Description

Small base station with NB wireless communication remote maintenance function

Technical Field

The disclosure relates to the field of communication, in particular to a small cell for remote maintenance of self-brought NB wireless communication.

Background

Small Cells (Small Cells) are typically low power wireless access points provided by carriers, which may operate in licensed spectrum or WiFi access points operating in carrier-grade unlicensed spectrum. Small cells typically have a coverage range of 10 meters to several hundred meters, and types include femtocells, picocells, and microcells.

Currently, small base stations are often arranged in places difficult to directly reach by the staff of the uprights, buildings and, therefore, for engineering and maintenance personnel, these small base stations may be difficult to access and disassemble, thus causing an increase in the difficulty of maintenance and repair. On the other hand, in order to improve the work efficiency, it is necessary for an engineer to manage a plurality of small base stations at the same time, and it is preferable that the engineer can remotely manage the small base stations without going out.

however, the conventional system control by means of Bluetooth (BT) or WIFI has the problems of short transmission distance and unreliable signal transmission, and is not suitable for remote system maintenance. Moreover, the wired communication maintenance interface reserved in the current small base station is not beneficial to the remote operation of engineering maintenance personnel, because the wired communication maintenance interface requires the engineering personnel to carry out field maintenance on the equipment.

SUMMERY OF THE UTILITY MODEL

According to an aspect of the present disclosure, there is provided a small cell base station for wireless communication remote maintenance of a self-band NB, the small cell base station comprising: a controller configured to transmit a control instruction to control an operation of the small cell; a reset circuit configured to reset the small cell; a power supply circuit configured to control power supply of the small cell; and the NB module is in communication connection with the controller so as to transmit the control instruction sent by the controller to the reset circuit and the power supply circuit, wherein the NB module performs data exchange with a remote control terminal through narrow-band communication.

According to one embodiment, the small cell further comprises: a radio frequency module configured to transmit and receive signal data.

According to one embodiment, the NB module is connected to a UART interface of a controller through a serial UART, and transmits a control instruction of the controller through the UART interface.

According to one embodiment, the NB module is connected to a USB interface of a controller via a universal serial bus USB, and the NB module transmits a control instruction of the controller via the USB interface.

According to one embodiment, the NB module outputs a control instruction to the reset circuit through a general purpose input/output interface GPIO to cause the reset circuit to perform a reset operation.

According to one embodiment, the NB module outputs a control instruction to an Enable interface Enable of the power supply circuit through a general purpose input/output interface GPIO to cause the power supply circuit to control switching of each module of the small base station.

According to one embodiment, the data exchanged by the NB module with the remote control terminal via the narrowband communication module includes remote debugging data and system maintenance data.

According to one embodiment, the controller is a CPU or a PLC.

According to the small base station with the NB wireless communication remote maintenance function, remote control and maintenance can be carried out, and the working efficiency is improved.

in addition, the NB narrowband communication has the characteristics of strong penetrating power and wide coverage area, so that the remote wireless transmission of the control command is facilitated, and the short characteristic of the control command is also suitable for the wireless transmission by using the NB narrowband.

Drawings

Fig. 1 is a schematic structural diagram of a small cell base station according to a first embodiment of the present disclosure; and is

Fig. 2 is a schematic structural diagram of a small cell base station according to a second embodiment of the present disclosure.

Further features of the invention will become apparent from the following description of exemplary embodiments with reference to the attached drawings.

Detailed Description

A self-contained NB wireless communication remote maintenance small cell in accordance with the present disclosure is described below with reference to the accompanying drawings, but it should be understood that the embodiments described below are merely exemplary and are not intended to limit the present disclosure to the following exemplary embodiments.

First embodiment

First, with reference to fig. 1, a small cell for self-contained NB wireless communication remote maintenance according to a first embodiment of the present disclosure is described.

As shown in fig. 1, the small cell base station according to the present exemplary embodiment includes a controller, a reset circuit, a power supply circuit, an NB module, and an RF module.

The controller is a component configured to control the operation of the small cell as a whole. In particular, it controls the operation of the small cell by sending control instructions. In the present exemplary embodiment, the controller may be, for example, a CPU. Alternatively, the controller may be a PLC according to the present exemplary embodiment. The CPU or PLC stores therein instructions for performing operations such as logic operation, sequence control, timing, counting, and arithmetic operation, and controls the operations of the respective components of the small base station through digital or analog input/output.

The reset circuit is a means for resetting the small cell, which is used to restore the circuit to the initial state. Specifically, the reset circuit according to the present disclosure may perform a reset operation immediately when the circuit is powered on, for example, or may be manually operated when necessary. Alternatively, the reset circuit may be automatically performed as needed by the program or circuit operation. The reset circuit may be formed by a combination of a resistor and a capacitor, for example, or alternatively, the reset circuit may be implemented by a triode cooperation program.

The power supply circuit is configured to control power supply of the small base station. In particular, the power supply circuit may be a circuit connecting a power supply source and the various components of the small cell base station and containing controllable switches in these circuits, so as to enable control of the circuit supply to the various components of the small cell base station in accordance with control signals.

Further, as described above, the small cell base station according to the present disclosure further includes a Narrowband (NB) module. The NB module transmits signals in a narrowband communication mode, which is a technical standard defined by the 3GPP standardization organization and is a narrowband radio frequency technology specially designed for the internet of things. Generally, the communication distance of the NB module is up to 15 km. Examples of NB modules include, for example, SIMCOM's SIM7020, cantonese's SN12B5, and so forth.

A radio frequency module (RF module) is used to implement transmission of data, which can convert a radio signal into a wired electrical signal. Examples of RF modules may be JY-LD6900, JY-LD6100, etc. of Jian Yong technology.

In the exemplary embodiment, the NB module is communicatively coupled to the controller to perform the function of transmitting control commands to the reset circuit and/or the power circuit. In addition, the NB module according to the present exemplary embodiment also performs data exchange with the remote control terminal by means of narrowband communication. The data exchanged between the NB module and the remote control terminal at least comprises remote debugging data and system maintenance data. That is, in the present exemplary embodiment, the NB module may be controlled by the remote terminal to perform debugging or maintenance on the small cell. In particular, for example, by means of the remote terminal, an instruction can be sent to the NB module to reset, by means of the CPU, the small base station or some component thereof.

In the present exemplary embodiment, the NB module is connected to the UART interface of the controller through the serial UART, and the NB module transmits the control instruction of the controller through the UART interface. UART (Universal asynchronous Receiver/Transmitter) converts data to be transmitted between serial communication and parallel communication.

According to one embodiment, the UART is typically integrated into the connection of other communication interfaces as a chip that converts a parallel input signal into a serial output signal. Embodied as a stand-alone modular chip or as a peripheral device integrated into a microprocessor. The standard signal amplitude conversion chip is generally in RS-232C specification, is matched with a standard signal amplitude conversion chip such as MAXim 232, and serves as an interface for connecting external equipment.

In the present exemplary embodiment, the NB module outputs a control instruction to the reset circuit through the general purpose input/output interface GPIO to cause the reset circuit to perform a reset operation. In addition, the NB module also outputs a control instruction to an Enable interface Enable of the power supply circuit through a general purpose input/output interface GPIO to cause the power supply circuit to control switching of each module of the small base station.

as such, a small cell that is maintained remotely from the in-band NB wireless communications according to the present disclosure facilitates remote maintenance and control.

Second embodiment

Next, with reference to fig. 2, a small cell for self-contained NB wireless communication remote maintenance according to a second embodiment of the present disclosure is described.

Similar to the first embodiment, the small cell base station according to the present exemplary embodiment also includes a controller, a reset circuit, a power supply circuit, an NB module, and an RF module.

In the present exemplary embodiment, unlike the first embodiment, the NB module is connected to the USB interface of the controller through a universal serial bus USB, and the NB module transmits a control instruction of the controller through the USB interface.

While the present disclosure has been described with reference to example embodiments, it is to be understood that the invention is not limited to the disclosed example embodiments. The scope of the following claims is to be accorded the broadest interpretation so as to encompass all such modifications and equivalent structures and functions.

Claims

1. A small cell for remote maintenance of wireless communication from an on-board NB, the small cell comprising:

A controller configured to send instructions to control operation of the small cell;

A reset circuit configured to reset the small cell;

A power supply circuit configured to control power supply of the small cell; and

An NB module in communication connection with the controller to transmit control instructions sent by the controller to the reset circuit and the power circuit,

The NB module also exchanges data with a remote control terminal through narrow-band wireless communication.

2. The self-contained NB wireless communication remote maintenance small cell base station as claimed in claim 1, further comprising: a radio frequency module configured to transmit and receive signal data.

3. The small base station of claim 1, wherein the NB module is connected to a UART interface of a controller via a serial UART, and the NB module transmits control instructions of the controller via the UART interface.

4. The self-contained NB wireless communication remote maintenance small base station according to claim 1, wherein the NB module is connected with a USB interface of a controller through a Universal Serial Bus (USB), and the NB module transmits the control instruction of the controller through the USB interface.

5. The small cell base station of claim 3 or 4, wherein the NB module outputs a control command to the reset circuit through a general purpose input/output interface (GPIO) to enable the reset circuit to perform a reset operation.

6. The small base station with the NB for wireless communication and remote maintenance according to claim 3 or 4, wherein the NB module outputs a control command to the Enable interface Enable of the power supply circuit through a general purpose input/output interface GPIO to Enable the power supply circuit to control the switch of each module of the small base station.

7. The self-contained NB wireless communication remote maintenance small cell according to claim 1 wherein the data exchanged by the NB module with the remote control terminal comprises remote commissioning data and system maintenance data.

8. the self-contained NB wireless communication remote maintenance small base station as claimed in claim 1, wherein the controller is a CPU or PLC.