CN110932741B

CN110932741B - Shared antenna module and shared antenna device

Info

Publication number: CN110932741B
Application number: CN201911038031.5A
Authority: CN
Inventors: 卓建政
Original assignee: Shenzhen Neoway Technology Co Ltd
Current assignee: Shenzhen Neoway Technology Co Ltd
Priority date: 2019-10-29
Filing date: 2019-10-29
Publication date: 2022-03-22
Anticipated expiration: 2039-10-29
Also published as: CN110932741A

Abstract

The embodiment of the invention discloses a shared antenna module, which comprises: the antenna module is used for receiving the communication signal and the satellite positioning signal and transmitting the first function data information and the position information of the terminal to the server. The positioning module is electrically connected to the low-noise amplifier module and used for demodulating and amplifying the satellite positioning signal to obtain the position information of the terminal according to the received amplified satellite positioning signal. The communication module is electrically connected to the duplexer module and the positioning module, and is used for transmitting the first functional data information and the position information of the terminal to the antenna module according to the received communication signal. The function module is electrically connected to the communication module and used for recording and storing the first function data information.

Description

Shared antenna module and shared antenna device

Technical Field

The present invention relates to the field of radio frequency signal transmission technologies, and in particular, to a common antenna module and a common antenna device applied to an electrical power system.

Background

With the development of the technical field of the power System, the requirement of assisting the power meter reading by adding a Global Navigation Satellite System (GNSS) to the power meter reading System is higher and higher, but in the power meter reading System, the GNSS positioning requirement is not required at the beginning of the design, so that a GNSS module receiving antenna is not reserved on the structure of the electric meter concentrator.

At present, two main implementation modes of adding a positioning function into a communication board card of an ammeter concentrator are provided, namely a base station positioning mode is adopted, namely the position information of the ammeter is obtained through a network of a mobile operator, but the influence of the environment is easily caused, and the positioning accuracy has deviation. Secondly, a mode of a built-in antenna module or a built-in positioning module is adopted, the built-in antenna module is easily interfered by communication signals, the module has higher requirements on the electromagnetic field environment where the module is located, occupies more Printed Circuit Board (PCB) space, has higher cost, and does not utilize large-scale popularization and use.

Disclosure of Invention

To solve the foregoing problems, the present application provides a common antenna module and a common antenna apparatus.

An embodiment of the present application provides a common antenna module, including:

the antenna module is used for receiving the communication signal and the satellite positioning signal and transmitting first function data information and terminal position information to the server; the positioning module is electrically connected with the low-noise amplifier module and used for demodulating the amplified satellite positioning signal according to the received amplified satellite positioning signal to obtain the position information of the terminal; the communication module is electrically connected to the duplexer module and the positioning module, and is used for transmitting the first functional data information and the position information of the terminal to the antenna module according to the received communication signal; the function module is electrically connected to the communication module and used for recording and storing the first function data information. The duplexer module is electrically connected to the antenna module and used for separating the received communication signal from the satellite positioning signal; the filter module is electrically connected to the duplexer module and is used for filtering the received satellite positioning signal and outputting a filtered satellite positioning signal; the low noise amplifier module is electrically connected to the filter module and is used for amplifying the filtering satellite positioning signal and then outputting the amplified satellite positioning signal.

In an embodiment of the present application, there is provided a common antenna apparatus including the above-mentioned antenna.

Compared with the prior art, the common antenna module disclosed by the embodiment of the invention utilizes the used antenna frequency receiving range including the positioning satellite signal frequency under the limitation that the terminal is only provided with one antenna port, and the duplexer is used for respectively inputting the combined communication signal (Long Term Evolution, LTE) and the GNSS positioning signal to the communication module and the positioning module, so that the coexistence of LTE communication and GNSS positioning is realized on the premise of not changing the structure of the terminal, the cost of the power meter reading system for realizing GNSS positioning and upgrading is reduced, the function of the power meter reading system for realizing self positioning is achieved, and the wide-range popularization and implementation are facilitated.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a diagram of a shared antenna system according to an embodiment of the present invention;

FIG. 2 is a block diagram of a common antenna module shown in the schematic structural diagram of FIG. 1;

fig. 3 is a circuit schematic diagram of the duplexer module in the structure schematic diagram of fig. 2;

FIG. 4 is a schematic circuit diagram of the filter module shown in the schematic circuit diagram of FIG. 2;

fig. 5 is a circuit diagram of the low noise amplifier module shown in fig. 2.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, which is a schematic structural diagram of a shared antenna system 10 according to an embodiment of the present invention, as shown in fig. 1, the shared antenna system 10 includes a shared antenna apparatus 11, an internet, and a server module. Further, the shared antenna apparatus 11 includes a shared antenna module 100 and a function module 106, where the function module 106 is configured to record first function data information of the terminal, and includes a microprocessor unit, a power output unit, a data processing unit, an electric quantity alarm unit, a communication unit, a metering unit, a display unit, a switch unit, a meter housing, and other external apparatuses. The common antenna module 100 is configured to send the first functional data information and the location information of the terminal to the server through the antenna module 107, and implement simultaneous or time-sharing reception of the LTE signal and the GNSS positioning signal on the basis that the terminal has only one antenna port, where the antenna port is connected to only one antenna.

Further, the first function data information includes electric meter electric quantity storage data, electric meter electric quantity data, an electric meter operation abnormal data packet and electric meter display abnormal data, the position information of the terminal is a GNSS positioning signal, and the antenna device 11 includes an electric meter.

The ammeter passes through antenna module 107 and sends the ammeter data message and the positional information of ammeter to the internet, and the server module passes through the ammeter data message and the positional information of ammeter that the internet accepted, and the technical staff sends control command, control ammeter running state according to the information that receives.

The LTE signal receiving and sending are realized through a communication unit of the terminal and are used for realizing wireless network communication. The GNSS positioning signal is used for realizing terminal positioning and comprises a GPS signal, a Beidou signal and a GLONASS signal.

Please refer to fig. 2, which is a block diagram of the common antenna module shown in fig. 1 according to an embodiment of the present invention. As shown in fig. 2, the common antenna module 100 includes: a duplexer module 101, a surface acoustic wave filter module 102, a low noise amplifier module 103, a positioning module 104, a communication module 105, a function module 106, and an antenna module 107. The common antenna module 100 of this embodiment is applied to the condition that the terminal has only one antenna port, and the positioning module is added in the power meter reading system, so as to implement simultaneous reception or time-sharing reception of the LTE signal and the GNSS positioning signal, reduce the upgrade cost of the power meter reading system for implementing GNSS positioning, and achieve the function of the power meter reading system for implementing self-positioning.

The duplexer module 101 is electrically connected to the antenna module 107, and configured to receive an external signal, and output an LTE signal and a GNSS positioning signal after being separated by the duplexer module 101. Further, the antenna module 107 is used for receiving LTE signals and GNSS positioning signals, and transmitting first functional data information and the position information of the terminal to the server module, and the junction of the duplexer module 101 and the antenna module 107 is an antenna receiving port, the antenna receiving end is connected to only one external antenna, and the signal frequency range of the connected antenna module 107 covers the GNSS positioning signal frequency, the receiving end of the antenna module 107 transmits the mixed signal to the duplexer module 101 through the same radio frequency coaxial line, and the duplexer module 101 separates the LTE signals from the GNSS positioning signals respectively.

GNSS positioning signal is the positioning signal behind duplexer module 101 separation LTE signal and the GNSS positioning signal, and GNSS positioning signal includes more high frequency and low-frequency noise signal, and direct use can cause great noise interference, and positioning effect is relatively poor or even can't realize the locate function, the antenna signal frequency receiving range that antenna module 107 used has covered GNSS positioning signal frequency.

The saw filter module 102 is electrically connected to the duplexer module 101, and configured to filter the received GNSS positioning signal and output a filtered GNSS positioning signal. Further, the saw filter module 102 may filter out a high frequency noise signal and a low frequency noise signal in the GNSS positioning signal, so as to improve the signal-to-noise ratio of the GNSS positioning signal.

The low-noise amplifier module 103 is electrically connected to the saw filter module 102, and configured to amplify the filtered GNSS positioning signal and output an amplified GNSS positioning signal. Further, the low noise amplifier module 103 amplifies the filtered GNSS positioning signal, thereby improving the positioning accuracy of the terminal.

The positioning module 104 is electrically connected to the low noise amplifier module 103, and configured to demodulate and amplify the GNSS positioning signal to obtain position information of the terminal according to the received amplified GNSS positioning signal, so as to implement a terminal positioning function. Further, the positioning module 104 includes a GPS positioning module, a beidou positioning module, and a GLONASS positioning module.

The communication module 105 is electrically connected to the positioning module 104 and the duplexer module 101, and configured to receive the LTE signal and send the first functional data information to the server, so as to implement communication information transmission between the terminal and the server. The communication module 105 is connected to the positioning module 104 through a communication unit of the terminal, the positioning module 104 demodulates the position information of the terminal, and then inputs the position information to the communication module 105 through a Serial Interface (COM) of the communication unit of the terminal, the communication module 105 transmits the first functional data information to the server through an LTE signal, and meanwhile, the communication module 105 receives and analyzes the LTE signal. Further, the communication module 105 operates simultaneously with the positioning module 104 while being integrated in the terminal communication unit.

The function module 106 is electrically connected to the communication module 105, and is configured to record and store the first function data information, transmit the first function data information to the communication module 105, and send the first function data information to the server module through the antenna module 107, so that a technician can grasp an operation condition of the terminal in real time according to the first function data information received by the server module. And if the terminal is abnormal, sending a control command to control the terminal in time. The functional module 106 is a functional module required by the ammeter to realize functions of the ammeter, and comprises a calculation unit, a display unit, a data processing unit, an electric quantity alarm unit and a switch unit.

Under the limitation that the terminal is only provided with one antenna port, after the antenna module 107 receives the mixed signal, the mixed signal is transmitted to the duplexer module 101 through the same radio frequency coaxial line, the duplexer module 101 separates the LTE signal from the GNSS positioning signal, the GNSS positioning signal is filtered, denoised and amplified and then output to the positioning module 104, the LTE signal is transmitted to the communication module 105, the GNSS positioning module 104 demodulates the position information of the terminal according to the obtained GNSS positioning signal and transmits the position information to the communication module 105 through a serial interface of a terminal communication unit, the GNSS positioning signal takes the LTE signal as a carrier, the communication module 105 transmits the LTE signal to the server module through the antenna module 107, and the server module realizes the positioning of the terminal position. Meanwhile, the functional module 106 sends the first functional data information to the server module by using the LTE signal as a carrier, so as to remotely control the terminal and grasp the running state of the terminal in real time.

More specifically, please refer to fig. 3, which is a schematic diagram of a circuit structure of the duplexer module shown in fig. 2. As shown in fig. 3, the duplexer module circuit 101 includes an antenna interface circuit 1011 and a duplexer circuit 1012.

The antenna interface circuit 1011 is configured to receive LTE signals and GNSS positioning signals, and includes a radio frequency unit J1, a transient voltage suppression diode EDS1, a fifth inductor L5, a sixth inductor L6, a seventh inductor L7, an eighth capacitor C8, and a ninth capacitor C9.

In this embodiment, the radio frequency unit J1 is an integrated circuit and includes pins 1 to 5, the pin 1 of the radio frequency unit J1 is an output pin for outputting an LTE signal and a GNSS positioning signal, and the pin 2 of the radio frequency unit J1, the pin 3 of the radio frequency unit J1, the pin 4 of the radio frequency unit J1, and the pin 5 of the radio frequency unit J1 are ground terminals.

The transient voltage suppression diode EDS1 and the fifth inductor L5 are connected in parallel between the pin 1 of the radio frequency unit J1 and the ground GND, the eighth capacitor C9 and the ninth capacitor C9 are connected in series between the pin 1 of the radio frequency unit J1 and the first connection terminal N1, the sixth inductor L6 is electrically connected to any connection point between the ground GND and any connection point between the eighth capacitor C8 and the ninth capacitor C9, the seventh inductor L7 is electrically connected to any connection point between the ground GND and any connection point between the ninth capacitor C9 and the first connection terminal N1, and the pin 2 of the radio frequency unit J1, the pin 3 of the radio frequency unit J1, the pin 4 of the radio frequency unit J1, and the pin 5 of the radio frequency unit J1 are electrically connected to the ground GND.

The diplexer circuit 1012 is configured to separate the LTE signals from the GNSS positioning signals and output the GNSS positioning signals to the positioning module 104 (fig. 2). The duplexer circuit 1012 includes a duplexer unit U3, a fourth capacitor C4, a tenth capacitor C10, an eleventh capacitor C11, a ninth inductor L9, an eleventh inductor L11, and a twelfth inductor L12.

In this embodiment, the duplexer unit U3 is an integrated circuit, and includes pins 1 to 10, pin 1 of the duplexer unit U3 is an input pin, and is configured to receive an LTE signal and a GNSS positioning signal, pin 2 of the duplexer unit U3, pin 3 of the duplexer unit U3, pin 5 of the duplexer unit U3, pin 6 of the duplexer unit U3, pin 7 of the duplexer unit U3, pin 8 of the duplexer unit U3 and pin 10 of the duplexer unit U3 are grounding terminals, pin 4 of the duplexer unit U3 is a GNSS positioning signal output pin, further, pin 4 of the duplexer unit U3 includes a GPS positioning signal, a beidou positioning signal, a GLONASS positioning signal for outputting the positioning signal, and pin 9 of the duplexer unit U3 is an LTE signal output pin.

A tenth capacitor C10 and a fourth capacitor C4 are connected in series between the pin 4 and the second connection terminal N2 of the duplexer unit U3, the antenna is used for transmitting a GNSS positioning signal to the second connection terminal N2, the ninth inductor L9 is electrically connected between any one connection point between the tenth capacitor C10 and the fourth capacitor C4 and the ground terminal GND, the pin 1 of the duplexer unit U3 is electrically connected to the first connection terminal N1, the pin 2 of the duplexer unit U3, the pin 3 of the duplexer unit U3, the pin 5 of the duplexer unit U3, the pin 6 of the duplexer unit U3, the pin 7 of the duplexer unit U3, the pin 8 of the duplexer unit U3 and the pin 10 of the duplexer unit U3 are electrically connected to the ground terminal GND, the eleventh capacitor C11 is electrically connected between the pin 9 of the duplexer unit U3 and the third connection terminal N3, the twelfth inductor L12 is electrically connected between the pin 9 of the duplexer unit U3 and the ground terminal GND, and the eleventh inductor L11 is electrically connected between the connection terminal N3 and the ground terminal GND.

Further, the third connection terminal N3 is connected to the LTE module 105 (fig. 2) for transmitting an LTE signal to the LTE module 105.

Radio frequency unit J1 receives and conveys behind LTE signal and the GNSS locating signal to duplexer unit U3 pin 1 through first link N1, after duplexer unit U3 separation, the LTE signal passes through duplexer unit U3 pin 9 and exports to third link N3, and the GNSS locating signal passes through duplexer unit U3 pin 4 and exports to second link N2, realizes separating LTE signal and GNSS locating signal.

More specifically, please refer to fig. 4, which is a schematic diagram of a circuit structure of the filter module shown in fig. 2. As shown in fig. 4, the filter module circuit 105 is configured to receive the GNSS positioning signal, filter the high-frequency noise signal and the low-frequency noise signal in the GNSS positioning signal, and output the filtered GNSS positioning signal to the fourth connection terminal N4, where the filter module circuit 105 includes a filtering unit U1 and a first inductor L1.

In this embodiment, the filtering unit U1 is an integrated circuit and includes pins 1 to 5, pin 1 of the filtering unit U1 is an input pin for receiving GNSS positioning signals, and after filtering processing by the filtering unit U1, GNSS positioning signals are output through pin 4 of the filtering unit U1, and pin 2 of the filtering unit U1, pin 3 of the filtering unit U1, and pin 5 of the filtering unit U1 are all grounded terminals.

The first inductor L1 is electrically connected between the pin 4 of the filtering unit U1 and the ground GND, the pin 1 of the filtering unit U1 is electrically connected to the second connection terminal N2, the pin 2 of the filtering unit U1, the pin 3 of the filtering unit U1 and the pin 5 of the filtering unit U1 are electrically connected to the ground GND, and the pin 4 of the filtering unit U1 is electrically connected to the fourth connection terminal N4. In this embodiment, the filtering unit U1 may be implemented by using a Surface Acoustic Wave (SAW) filter integrated module.

More specifically, please refer to fig. 5, which is a schematic circuit diagram of the low noise amplifier module shown in fig. 2. As shown in fig. 5, the low noise amplifier module circuit 103 is configured to output the amplified GNSS positioning signal to the sixth connection terminal N6 after performing amplification processing on the filtered GNSS positioning signal, where the low noise amplifier module circuit 103 includes a low noise amplifier unit U2, a first capacitor C1, a second capacitor C2, a third capacitor C3, a fifth capacitor C5, an eighth capacitor C8, a first resistor R1, a second resistor R2, a second inductor L2, a third inductor L3, and a fourth inductor L4.

In this embodiment, the low noise amplifier unit U2 is an integrated circuit and includes pins 1 to 6, the driving voltage Vcc drives the low noise amplifier unit U2 to operate through pin 1 of the low noise amplifier unit U2, pin 2 of the low noise amplifier unit U2 is a signal output terminal, pins 3 and 4 of the low noise amplifier unit U2 and U2 are ground terminals, pin 6 of the low noise amplifier unit U2 is a driving pin, and pin 5 of the low noise amplifier unit U2 is a signal input terminal.

A fifth capacitor C5 is electrically connected between the fifth connection terminal N5 and the ground terminal GND, a first capacitor C1 is electrically connected between the fourth connection terminal N4 and the pin 5 of the low noise amplifier unit U2, a first resistor R1 is electrically connected between the fourth connection terminal N4 and the ground terminal GND, a fourth inductor L4 is electrically connected between the driving voltage terminal VCC and the pin 1 of the low noise amplifier unit U2, a second resistor R2 is electrically connected between the pin 2 of the low noise amplifier unit U2 and the ground terminal GND, a second capacitor C2 is electrically connected between the pin 1 of the low noise amplifier unit U2 and the ground terminal GND, a third capacitor C3 and an eighth capacitor C8 are electrically connected between the pin 2 of the low noise amplifier unit U2 and the sixth connection terminal N6, a third inductor L3 is electrically connected between the pin 2 of the low noise amplifier unit U2 and the ground terminal GND, and a second inductor L2 is electrically connected between any connection point between the third capacitor C3 and the ground terminal C8 and the ground terminal GND, pin 3 of the lna unit U2 and pin 4 of the lna unit U2 are electrically connected to the ground GND, and pin 6 of the lna unit U2 is electrically connected to the fifth terminal N5.

Specifically, the fifth connection terminal N5 is a driving input terminal of the lna unit U2, and the sixth connection terminal N6 is connected to the positioning module 104 (fig. 2), and outputs the amplified GNSS positioning signal to the positioning module 104. The low noise amplifier unit U2 may be implemented using an NGM1043 integrated module.

The following describes the operation of the antenna module 100 with reference to fig. 2 to 5:

after the LTE signal received by the antenna module 107 and the GNSS positioning signal are separated by the duplexer unit U3 in the duplexer module 101, the LTE signal is input to the communication module 105, the GNSS positioning signal is filtered by the saw module 102 and amplified by the lna module 103, and then the amplified GNSS positioning signal is output to the positioning module 104, the positioning module 104 demodulates and amplifies the GNSS positioning signal to obtain the position information of the terminal, the position information of the terminal is transmitted to the communication module 105 through the serial interface of the terminal communication unit, and simultaneously the first function data information in the terminal is also transmitted to the communication module 105 through the function module 106, the communication module 105 transmits the first function data information and the position information of the terminal to the server module through the antenna module 107 by using the LTE signal as a carrier, thereby not only completing the remote control of the terminal, but also realizing the positioning of the terminal, the centralized management and operation of the terminal by technicians are facilitated.

Compared with the prior art, the shared antenna module 100 in the shared antenna device 11 does not need to change the internal structure of the terminal under the limitation of only one antenna port of the terminal, and adds the positioning module in the terminal communication unit, so that the co-existence of the LTE signal and the GNSS positioning signal in the communication unit of the terminal is achieved, the GNSS positioning function and the remote monitoring are realized, the terminal transformation cost is reduced, and the large-scale popularization and implementation are facilitated.

The above detailed description is made on a common antenna module disclosed in the embodiments of the present invention, and the principle and the implementation of the present invention are explained in the present document by applying specific examples, and the description of the above embodiments is only used to help understanding the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.

Claims

1. A common antenna module, comprising:

the terminal comprises an antenna port, and the terminal realizes the simultaneous or time-sharing reception of the communication signal and the satellite positioning signal on the basis of the antenna port;

a duplexer module electrically connected to the antenna module, the connection between the duplexer module and the antenna module being the antenna port, the duplexer module including an antenna interface circuit and a duplexer circuit, the antenna interface circuit being configured to receive the communication signal and the satellite positioning signal, the duplexer module including a radio frequency unit, a transient voltage suppressor, a fifth inductor, a sixth inductor, a seventh inductor, an eighth capacitor, and a ninth capacitor, the transient voltage suppressor and the fifth inductor being connected in parallel between a first pin of the radio frequency unit and a ground terminal, the eighth capacitor and the ninth capacitor being connected in series between the first pin of the radio frequency unit and the first connection terminal, the sixth inductor being electrically connected to any connection point between the ground terminal and the eighth capacitor and the ninth capacitor, the seventh inductor being electrically connected to any connection point between the ground terminal and the ninth capacitor and the first connection terminal, the second pin, the third pin, the fourth pin and the fifth pin of the radio frequency unit are electrically connected to a ground terminal;

the duplexer circuit is used for separating the communication signal and the satellite positioning signal and outputting the satellite positioning signal to the positioning module, the duplexer circuit comprises a duplexer unit, a fourth capacitor, a tenth capacitor, an eleventh capacitor, a ninth inductor, an eleventh inductor and a twelfth inductor,

the tenth capacitor and the fourth capacitor are connected in series between a fourth pin and a second connecting end of the duplexer unit and are used for transmitting satellite positioning signals to the second connecting end, the ninth inductor is electrically connected between any connecting point between the tenth capacitor and the fourth capacitor and the ground terminal, the first pin of the duplexer unit is electrically connected with the first connecting end, the second pin, the third pin, the fifth pin, the sixth pin, the seventh pin, the eighth pin and the tenth pin of the duplexer unit are electrically connected with the ground terminal, the eleventh capacitor is electrically connected between the ninth pin and the third connecting end of the duplexer unit, the twelfth inductor is electrically connected between the ninth pin and the ground terminal of the duplexer unit, and the eleventh inductor is electrically connected between the third connecting end and the ground terminal;

the positioning module is electrically connected with the low-noise amplifier module and used for demodulating the amplified satellite positioning signal to obtain the position information of the terminal according to the received amplified satellite positioning signal output by the low-noise amplifier module;

the communication module is electrically connected with the duplexer module and the positioning module and used for receiving the communication signal and the position information of the terminal, transmitting the first functional data information and the position information of the terminal to the antenna module according to the received communication signal, and transmitting the first functional data information and the position information of the terminal to the server through the antenna module by taking the communication signal as a carrier;

and the function module is electrically connected with the communication module and used for recording and storing the first function data information.

2. The shared antenna module of claim 1, further comprising:

the filter module is electrically connected to the duplexer module and used for outputting a filtered satellite positioning signal after filtering the received satellite positioning signal;

the low-noise amplifier module is electrically connected to the filter module and used for amplifying the filtering satellite positioning signal and then outputting the amplified satellite positioning signal.

3. The antenna module as claimed in claim 2, wherein the duplexer module receives the communication signal and the satellite positioning signal through an antenna module receiving end, and the antenna module is connected to only one antenna.

4. The antenna module as claimed in claim 3, wherein the antenna module receives the frequency simultaneously or in time division, and the frequency comprises a frequency of a satellite positioning signal received by the positioning module.

5. The community antenna module according to any of claims 2-4, wherein said positioning module cooperates with said communication module, and said satellite positioning signal is transmitted to said server via said communication signal.

6. The antenna module as claimed in claim 5, wherein the positioning module and the communication module are integrated with a communication unit of the terminal.

7. The antenna module as claimed in claim 6, wherein the filter module filters out high frequency noise signals and low frequency noise signals contained in the satellite positioning signals, and the low noise amplifier module amplifies the filtered satellite positioning signals.

8. The antenna module as claimed in claim 7, wherein the positioning module demodulates the satellite positioning signal and then transmits the position information of the terminal to the communication module through a serial interface of the terminal communication unit.

9. A community antenna assembly comprising a community antenna module according to any one of claims 1-8.

10. The common antenna apparatus of claim 9, wherein the common antenna apparatus is an electric meter, the electric meter is the terminal, and the electric meter further comprises a function module;

the shared antenna module is electrically connected with the functional module, the first functional data information comprises electric meter electric quantity storage data, electric meter electric quantity data and electric meter display abnormal data, and the position information comprises current position data of the electric meter;

the function module is used for recording and storing the first function data information of the ammeter.