CN116683933A

CN116683933A - Halow communication equipment

Info

Publication number: CN116683933A
Application number: CN202310861993.0A
Authority: CN
Inventors: 汪洪川; 林喆; 王丽君; 王帅; 邵杭; 李明洋
Original assignee: Shanghai Sunmi Technology Group Co Ltd; Shenzhen Michelangelo Technology Co Ltd
Current assignee: Shanghai Sunmi Technology Group Co Ltd; Shenzhen Michelangelo Technology Co Ltd
Priority date: 2023-07-13
Filing date: 2023-07-13
Publication date: 2023-09-01

Abstract

The application provides a hall communication device comprising: the Halow communication module comprises a transmitter module, a receiver module and a communication control module, wherein the transmitter module and the receiver module are respectively connected with a radio frequency transmitting path and a radio frequency receiving path; the radio frequency switch module comprises a radio frequency transmitting connecting end, a radio frequency receiving connecting end and a radio frequency receiving and transmitting switching connecting end; the radio frequency switch module realizes the opening of a radio frequency transmitting path or a radio frequency receiving path through the switching connection of a radio frequency receiving and transmitting switching connection end, a radio frequency transmitting connection end and a radio frequency receiving connection end; the radio frequency antenna module comprises a first connecting end and a radio frequency signal receiving and transmitting end, wherein the first connecting end is connected to a radio frequency receiving and transmitting public connecting end; the Halow signal filter module is arranged between the radio frequency receiving and transmitting switching connection end and the radio frequency receiving and transmitting public connection end; the Halow signal filter module is provided with a plurality of passband corresponding to a plurality of frequency bands to which the Halow signal belongs.

Description

Halow communication equipment

Technical Field

The application mainly relates to the field of communication, in particular to a Halow communication device.

Background

Wi-Fi Halow is a low-power, long-range wireless communication technology. In order to realize long-distance transmission, the hall communication device needs to have higher transmitting power and receiving sensitivity, however, this puts higher demands on the transceiving performance of the hall communication device. How to avoid interference by other cellular communication devices or Wi-Fi communication devices in a communication environment and avoid interference to other cellular communication devices or Wi-Fi communication devices to influence normal communication of other communication systems is a problem to be solved.

Disclosure of Invention

The technical problem to be solved by the application is to provide a Halow communication device, which meets the requirements of a plurality of communication frequency bands and avoids mutual interference when the Halow communication process works simultaneously with a cellular communication network, a Wi-Fi communication network and the like.

To solve the above technical problems, the present application provides a hall communication device, including: the Halow communication module comprises a transmitter module, a receiver module and a communication control module, wherein the transmitter module and the receiver module are respectively connected with a radio frequency transmitting path and a radio frequency receiving path; the radio frequency switch module comprises a radio frequency transmitting connecting end, a radio frequency receiving connecting end and a radio frequency receiving and transmitting switching connecting end; the radio frequency transmitting connection end and the radio frequency receiving connection end are respectively connected to the radio frequency transmitting passage and the radio frequency receiving passage; the radio frequency switch module realizes the opening of the radio frequency transmitting path or the radio frequency receiving path through the switching connection between the radio frequency receiving and transmitting switching connection end and the radio frequency transmitting connection end and the radio frequency receiving connection end; the radio frequency antenna module comprises a first connecting end and a radio frequency signal receiving and transmitting end, wherein the first connecting end is connected to a radio frequency receiving and transmitting public connecting end; the Halow signal filter module is arranged between the radio frequency receiving and transmitting switching connection end and the radio frequency receiving and transmitting public connection end and is arranged on the printed circuit board; the Halow signal filter module is provided with a plurality of passband, and the passband corresponds to a plurality of frequency bands to which the Halow signal belongs.

In an embodiment of the present application, the hall signal filter module includes a multi-pass filter, and a plurality of pass bands of the multi-pass filter correspond to a plurality of frequency bands to which the hall signal belongs.

In an embodiment of the present application, the low signal filter module includes a plurality of parallel single pass band filters, where each pass band of the plurality of single pass band filters corresponds to each frequency band of a plurality of frequency bands to which the low signal belongs.

In an embodiment of the present application, the low signal filter module further includes a single-passband switch pair correspondingly connected to the plurality of parallel single-passband filters, for switching connection between the plurality of parallel single-passband filters, so as to implement switching of passband of the low signal filter module.

In an embodiment of the application, the radio frequency transmission path is further provided with a power amplifier module for adjusting the power of the radio frequency transmission signal.

In an embodiment of the application, the radio frequency receiving path is further provided with a low noise amplifier module for filtering the radio frequency receiving signal.

In one embodiment of the present application, the communication control module sends out a first control signal;

the radio frequency switch module is used for switching and connecting a radio frequency transmitting path and a radio frequency receiving path to a radio frequency receiving and transmitting public connecting end respectively based on the first control signal.

In one embodiment of the present application, the communication control module sends out a second control signal;

the single-passband switcher pair is used for switching connection among the plurality of parallel single-passband filters based on the second control signal so as to realize switching of passband of the Halow signal filter module.

In one embodiment of the present application, the communication band of the Halow signal comprises Sub-1GHz.

In one embodiment of the present application, the plurality of frequency bands to which the hall signal belongs includes a CE frequency band and an FCC frequency band.

In one embodiment of the application, the CE band comprises the frequency range 862-870MHz and the FCC band comprises the frequency range 902-931MHz.

Compared with the prior art, the application has the following advantages: the technical scheme of the application can effectively solve the problem of mutual interference when the Halow communication process works simultaneously with the networks such as cellular communication, wi-Fi communication and the like; the scheme of the application also enables the Halow communication equipment to adapt to a plurality of communication frequency bands and realize the utilization concentration of hardware resources.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the principles of the application.

In the accompanying drawings:

fig. 1 is a schematic diagram of the composition of a hall communication device in accordance with an embodiment of the present application.

Fig. 2 is a schematic diagram of the composition of a hall communication device in accordance with an embodiment of the present application.

Fig. 3 is a schematic diagram of the composition of a hall communication device in accordance with another embodiment of the present application.

Fig. 4 is a schematic diagram of the passband of a hall signal filter module according to an embodiment of the present application.

Detailed Description

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are used in the description of the embodiments will be briefly described below. It is apparent that the drawings in the following description are only some examples or embodiments of the present application, and it is apparent to those of ordinary skill in the art that the present application may be applied to other similar situations according to the drawings without inventive effort. Unless otherwise apparent from the context of the language or otherwise specified, like reference numerals in the figures refer to like structures or operations.

As used in the specification and in the claims, the terms "a," "an," "the," and/or "the" are not specific to a singular, but may include a plurality, unless the context clearly dictates otherwise. In general, the terms "comprises" and "comprising" merely indicate that the steps and elements are explicitly identified, and they do not constitute an exclusive list, as other steps or elements may be included in a method or apparatus.

The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present application unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description.

In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present application. Furthermore, although terms used in the present application are selected from publicly known and commonly used terms, some terms mentioned in the present specification may be selected by the applicant at his or her discretion, the detailed meanings of which are described in relevant parts of the description herein. Furthermore, it is required that the present application is understood, not simply by the actual terms used but by the meaning of each term lying within.

It will be understood that when an element is referred to as being "on," "connected to," "coupled to," or "contacting" another element, it can be directly on, connected or coupled to, or contacting the other element or intervening elements may be present. In contrast, when an element is referred to as being "directly on," "directly connected to," "directly coupled to," or "directly contacting" another element, there are no intervening elements present. Likewise, when a first element is referred to as being "electrically contacted" or "electrically coupled" to a second element, there are electrical paths between the first element and the second element that allow current to flow. The electrical path may include a capacitor, a coupled inductor, and/or other components that allow current to flow even without direct contact between conductive components.

Embodiments of the present application describe a hall communication device.

Referring to fig. 1, the hall communication device 100 includes a hall communication module 101, a radio frequency antenna module ANT, a radio frequency switch module 121, and a hall signal filter module 210.

In some embodiments, the hall communication module 101 includes a transmitter module 112, a receiver module 113, and a communication control module 111. The transmitter module 112 and the receiver module 113 are connected with a radio frequency transmit path RF TX and a radio frequency receive path RF RX, respectively. The radio frequency antenna module ANT includes a first connection end 131 and a radio frequency signal receiving and transmitting end 132, and the first connection end 131 is connected to the radio frequency receiving and transmitting common connection end rf_trx.

The rf switch module 121 includes an rf transmitting connection terminal 171, an rf receiving connection terminal 172, and an rf transceiver switching connection terminal 173. The radio frequency transmitting connection 171 and the radio frequency receiving connection 172 are connected to the radio frequency transmitting path rf_tx and the radio frequency receiving path rf_rx, respectively. The RF switch module 121 is connected to the RF transmitting connection end 171 and the RF receiving connection end 172 through the RF transceiver switching connection end 173 to switch on the RF transmitting path rf_tx or the RF receiving path rf_rx.

The hall signal filter module 210 is disposed between the RF transceiver switching connection 173 and the RF transceiver common connection rf_trx and mounted on a printed circuit board. The hall signal filter module 210 has a plurality of passband, and the plurality of passband corresponds to a plurality of frequency bands to which the hall signal belongs. In some embodiments, the communication control module 111 issues a first control signal cg1. The radio frequency switch module 121 is configured to switch and connect the radio frequency transmit path rf_tx and the radio frequency receive path rf_rx to the radio frequency transmit-receive common connection terminal rf_trx, respectively, based on the first control signal cg1.

In some embodiments, referring to fig. 2, the hall signal filter module 210 includes a multi-pass filter 161, and a plurality of pass bands of the multi-pass filter 161 correspond to a plurality of frequency bands to which the hall signal belongs.

In some embodiments, referring to fig. 3, the low signal filter module 210 includes a plurality of parallel single-pass band filters, for example, a first single-pass band filter 151 and a second single-pass band filter 152 are shown in fig. 3, where each pass band of the plurality of single-pass band filters corresponds to each frequency band of the plurality of frequency bands to which the low signal belongs.

The hall signal filter module 210 further includes a single-passband switch pair 140 correspondingly connected to the plurality of parallel single-passband filters, for switching the connection between the plurality of parallel single-passband filters to realize switching of the passband of the hall signal filter module 210. In fig. 3, the single-passband switcher pair 140 includes, for example, a first single-passband switcher 141 and a second single-passband switcher 142.

In some embodiments, the communication control module 111 issues a second control signal cg2. The single pass band switch pair 140 is configured to switch between a plurality of parallel single pass band filters based on the second control signal cg2 to switch the pass band of the hall signal filter module 210.

In some embodiments, the communications band of the Halow signal includes Sub-1GHz. The Halow signal supports the 802.11ah communication standard in the Sub-1GHz communication band. The foregoing communication standards were developed and implemented by the international Wi-Fi alliance organization based on the IEEE 802.11 wireless communication network standard. The plurality of frequency bands to which the hall signal belongs include, for example, a CE frequency band and an FCC frequency band. The CE frequency band includes the frequency range 862-870MHz and the fcc frequency band includes the frequency range 902-931MHz.

Referring to fig. 4, the horizontal axis of the coordinate system in fig. 4 is frequency (freq) in gigahertz (GHz); the vertical axis is amplitude in decibels (dB), and dB (S (2, 1)) represents an S21 parameter (transmission parameter) of the radio frequency antenna module ANT in dB. The coordinates of coordinate points m1 to m7 in FIG. 4 are, for example, m1 (862.0 MHz, -1.523 dB), m2 (870.0 MHz, -1.723 dB), m3 (902.0 MHz, -1.657 dB), m4 (931.0 MHz, -1.962 dB), m5 (880.0 MHz, -43.726 dB), m6 (894.0 MHz, -39.378 dB), and m6 (940.0 MHz, -53.814 dB), respectively. In the foregoing embodiments, the communication frequency band of the hall signal in the hall communication device of the present application is listed, which may include two communication frequency bands, and may include three or four communication frequency bands, and the two communication frequency bands listed in the present application are only illustrative.

In some embodiments, the radio frequency transmit path rf_tx is further provided with a power amplifier module PA for adjusting the power of the radio frequency transmit signal. The radio frequency receiving path rf_rx is further provided with a low noise amplifier module LNA for filtering the radio frequency received signal.

The Halow communication equipment can effectively solve the problem of mutual interference when the Halow communication process works simultaneously with the networks such as cellular communication, wi-Fi communication and the like; the scheme of the application also arranges the Halow signal filter module meeting the communication requirements of a plurality of frequency bands of Halow signals on the same printed circuit board, so that the Halow communication equipment adapts to a plurality of communication frequency bands, and meanwhile, the intensive utilization of hardware resources is realized, and the cost of manufacturing and applying the Halow communication equipment is reduced.

While the basic concepts have been described above, it will be apparent to those skilled in the art that the foregoing disclosure is by way of example only and is not intended to be limiting. Although not explicitly described herein, various modifications, improvements and adaptations of the application may occur to one skilled in the art. Such modifications, improvements, and modifications are intended to be suggested within the present disclosure, and therefore, such modifications, improvements, and adaptations are intended to be within the spirit and scope of the exemplary embodiments of the present disclosure.

Meanwhile, the present application uses specific words to describe embodiments of the present application. Reference to "one embodiment," "an embodiment," and/or "some embodiments" means that a particular feature, structure, or characteristic is associated with at least one embodiment of the application. Thus, it should be emphasized and should be appreciated that two or more references to "an embodiment" or "one embodiment" or "an alternative embodiment" in various positions in this specification are not necessarily referring to the same embodiment. Furthermore, certain features, structures, or characteristics of one or more embodiments of the application may be combined as suitable.

Some aspects of the application may be performed entirely by hardware, entirely by software (including firmware, resident software, micro-code, etc.) or by a combination of hardware and software. The above hardware or software may be referred to as a "data block," module, "" engine, "" unit, "" component, "or" system. The processor may be one or more Application Specific Integrated Circuits (ASICs), digital Signal Processors (DSPs), digital signal processing devices (DAPDs), programmable Logic Devices (PLDs), field Programmable Gate Arrays (FPGAs), processors, controllers, microcontrollers, microprocessors, or a combination thereof. Furthermore, aspects of the application may take the form of a computer product, comprising computer-readable program code, embodied in one or more computer-readable media. For example, computer-readable media can include, but are not limited to, magnetic storage devices (e.g., hard disk, floppy disk, tape … …), optical disk (e.g., compact disk CD, digital versatile disk DVD … …), smart card, and flash memory devices (e.g., card, stick, key drive … …).

Similarly, it should be noted that in order to simplify the description of the present disclosure and thereby aid in understanding one or more inventive embodiments, various features are sometimes grouped together in a single embodiment, figure, or description thereof. This method of disclosure, however, is not intended to imply that more features than are required by the subject application. Indeed, less than all of the features of a single embodiment disclosed above.

In some embodiments, numbers describing the components, number of attributes are used, it being understood that such numbers being used in the description of embodiments are modified in some examples by the modifier "about," approximately, "or" substantially. Unless otherwise indicated, "about," "approximately," or "substantially" indicate that the number allows for a 20% variation. Accordingly, in some embodiments, numerical parameters set forth in the specification and claims are approximations that may vary depending upon the desired properties sought to be obtained by the individual embodiments. In some embodiments, the numerical parameters should take into account the specified significant digits and employ a method for preserving the general number of digits. Although the numerical ranges and parameters set forth herein are approximations in some embodiments for use in determining the breadth of the range, in particular embodiments, the numerical values set forth herein are as precisely as possible.

While the application has been described with reference to the specific embodiments presently, it will be appreciated by those skilled in the art that the foregoing embodiments are merely illustrative of the application, and various equivalent changes and substitutions may be made without departing from the spirit of the application, and therefore, all changes and modifications to the embodiments are intended to be within the scope of the appended claims.

Claims

1. A hall communication device, comprising:

the Halow communication module comprises a transmitter module, a receiver module and a communication control module, wherein the transmitter module and the receiver module are respectively connected with a radio frequency transmitting path and a radio frequency receiving path;

the radio frequency switch module comprises a radio frequency transmitting connecting end, a radio frequency receiving connecting end and a radio frequency receiving and transmitting switching connecting end; the radio frequency transmitting connection end and the radio frequency receiving connection end are respectively connected to the radio frequency transmitting passage and the radio frequency receiving passage; the radio frequency switch module realizes the opening of the radio frequency transmitting path or the radio frequency receiving path through the switching connection between the radio frequency receiving and transmitting switching connection end and the radio frequency transmitting connection end and the radio frequency receiving connection end;

the radio frequency antenna module comprises a first connecting end and a radio frequency signal receiving and transmitting end, wherein the first connecting end is connected to a radio frequency receiving and transmitting public connecting end;

the Halow signal filter module is arranged between the radio frequency receiving and transmitting switching connection end and the radio frequency receiving and transmitting public connection end and is arranged on the printed circuit board; the Halow signal filter module is provided with a plurality of passband, and the passband corresponds to a plurality of frequency bands to which the Halow signal belongs.

2. The hall communication device of claim 1, wherein the hall signal filter module comprises a multi-pass band filter having a plurality of pass bands corresponding to a plurality of frequency bands to which the hall signal belongs.

3. The hall communication device of claim 1, wherein the hall signal filter module comprises a plurality of parallel single pass band filters, each pass band of the plurality of single pass band filters corresponding to each frequency band of a plurality of frequency bands to which the hall signal belongs.

4. A hall communication device according to claim 3, wherein the hall signal filter module further comprises a pair of single-pass band switches correspondingly connected to the plurality of parallel single-pass band filters for switching connections between the plurality of parallel single-pass band filters to effect switching of the passband of the hall signal filter module.

5. The hall communication device according to claim 1, wherein the radio frequency transmission path is further provided with a power amplifier module for adjusting the power of the radio frequency transmission signal.

6. The hall communication device according to claim 1, wherein the radio frequency receiving path is further provided with a low noise amplifier module for filtering the radio frequency receiving signal.

7. The hall communication device according to claim 1, wherein the communication control module issues a first control signal;

8. The hall communication device according to claim 4, wherein the communication control module issues a second control signal;

9. The hall communication device according to claim 1, wherein the communication band of the hall signal comprises Sub-1GHz.

10. The hall communication device of claim 9, wherein the plurality of frequency bands to which the hall signal belongs includes a CE frequency band and an FCC frequency band.

11. The hall communication device according to claim 10, wherein the CE frequency band comprises a frequency range 862-870MHz and the FCC frequency band comprises a frequency range 902-931MHz.