Electronic devices, NFC communication methods, systems, and computer programs

Abstract

To provide an electronic device, a communication method using NFC (Near Field Communication), and a system that increase a range and sensitivity sensed by a card reader.SOLUTION: An electronic device includes an NFC module. The NFC module includes a plurality of NFC tags with the same contents, and antennas of any two NFC tags do not completely overlap, thereby increasing a range and sensitivity in which the electronic device is sensed by a card reader, making it easier for the card reader to sense and read the NFC tags in the electronic device. This can improve the success rate and efficiency of sensing the NFC tags in the electronic device, and further improve communication efficiency and reliability when the electronic device, a communication method using NFC, and a system are used in different scenarios.SELECTED DRAWING: Figure 4

Description

Technical Field

[0001] This specification relates to the field of communication technologies, and in particular to electronic devices, communication methods and systems using NFC.

Background Art

[0002] Near-field wireless communication is a new technology. Devices using near-field wireless communication technology (such as mobile phones, etc.) can exchange data when they are close to each other. For example, a card reading device can sense a tag in a tag card device and read tag data.

[0003] Since the communication distance supported by near-field wireless communication is relatively small, the success rate of a card reading device reading a card is relatively low, and the response time is relatively long.

[0004] It should be noted that the content of the above related technologies is only information known to the inventor personally, and the above information does not represent that it has already entered the public domain before the filing date of this disclosure, nor does it represent that it can be regarded as the prior art of this disclosure.

Summary of the Invention

Problems to be Solved by the Invention

[0005] This disclosure provides an electronic device, a communication method and a system using NFC to avoid the above technical problems.

Means for Solving the Problems

[0006] According to a first aspect, this disclosure provides an electronic device, the electronic device includes an NFC module, the NFC module includes a plurality of NFC tags with the same content, and the antennas of any two NFC tags do not completely overlap.

[0007] In some embodiments, among the plurality of NFC tags with the same content, the communication protocols of different NFC tags are different.

[0008] In some embodiments, the antennas of any two NFC tags do not have an overlapping region.

[0009] In some embodiments, the antennas of the multiple identical NFC tags are arranged in parallel to form an antenna array.

[0010] In some embodiments, the number of the multiple NFC tags with the same content is The preset sensing range of the electronic device, A card reader, which is a device that communicates with the electronic device based on NFC, has a preset sensing range, This is determined based on at least one of the following: the information regarding the detuning effect that the NFC module has on the card reader.

[0011] In some embodiments, the antennas for the multiple identical NFC tags are located in a preset antenna area of ​​the electronic device.

[0012] According to a second aspect, the present disclosure provides an NFC communication method, the communication method being used in an electronic device described in any one of the above embodiments, and the communication being A step of determining the type attribute of multiple identical NFC tags when a card search message for the current round is received from a card reader, wherein the type attribute is used to indicate whether the multiple identical NFC tags have been detected by the card reader, and includes a detected type and a non-detected type. The step of responding to the card search message for the current round according to the sensing type, the step of using the response to read tag data.

[0013] In some embodiments, among multiple NFC tags with the same content, different NFC tags use different communication protocols. The step of determining the type attribute of multiple NFC tags with the same content is: This includes determining the type attribute of the current NFC tag, wherein the current NFC tag is one of the NFC tags of the plurality of identical content. The step of responding to the card search message of the current round according to the sensing type, wherein the response is used to read tag data, The system includes responding to the current round's card search message based on the current NFC tag, provided that the type attribute of the current NFC tag is the sensing type, wherein the response is used to read the tag data of the current NFC tag.

[0014] In some embodiments, the communication protocols for the multiple NFC tags with the same content are the same. The step of determining the type attribute of multiple NFC tags with the same content is: This includes obtaining the type attribute corresponding to each NFC tag among the multiple NFC tags with the same content, The step of responding to the card search message of the current round according to the sensing type, wherein the response is used to read tag data, Responding to the current round's card search message according to each sensing type, the response being used to read the tag data of the target NFC tag, wherein the target NFC tag is determined by the card reader from among the NFC tags corresponding to each sensing type.

[0015] According to a third aspect, the present disclosure provides an NFC-based communication system, wherein the communication system includes a card reader and an electronic device as described in any one of the above embodiments, and the card reader is a device that communicates with the electronic device based on NFC. The card reader is used to send a polling card search message to the electronic device. The electronic device performs the communication method described in any one of the above embodiments based on the current round's card lookup message and responds to the card reader, wherein the polling card lookup message includes the current round's card lookup message. The card reader is further used to read tag data in the electronic device based on the response. [Effects of the Invention]

[0016] As can be seen from the above technical proposals, the electronic device, NFC communication method and system of this disclosure include the electronic device including an NFC module, the NFC module including multiple NFC tags with the same content, and the antennas of any two NFC tags not completely overlapping, thereby increasing the range and sensitivity of the electronic device to be sensed by a card reader, making it easier for a card reader to sense and read the NFC tags in the electronic device, thereby improving the success rate and efficiency of sensing NFC tags in the electronic device, and further improving the communication efficiency and reliability when the electronic device, NFC communication method and system are used in different scenarios.

[0017] Other functions of the electronic devices, NFC communication methods and systems described herein are partially listed in the following description. The content presented by the following figures and examples will be obvious to those skilled in the art. The creative embodiments of the electronic devices, NFC communication methods and systems described herein will be fully interpreted by practicing or using the methods, apparatus and combinations described in the following detailed examples. [Brief explanation of the drawing]

[0018] To more clearly illustrate the technical solutions in the embodiments of this specification, the following briefly introduces the drawings that need to be used in the description of the embodiments. It is self-evident that the drawings in the following description are merely some embodiments of this specification, and those skilled in the art can also obtain other drawings based on these drawings on the premise of not paying creative labor. [Figure 1] It is a schematic scenario diagram based on the NFC communication method of one embodiment of the present disclosure. [Figure 2] It is a schematic scenario diagram based on the NFC communication method of another embodiment of the present disclosure. [Figure 3] It is a schematic diagram of an electronic device according to an embodiment of the present disclosure. [Figure 4] It is a schematic diagram of the antenna arrangement of two NFC tags with the same content according to one embodiment of the present disclosure. [Figure 5] It is a schematic diagram of the antenna arrangement of two NFC tags with the same content according to another embodiment of the present disclosure. [Figure 6] It is a schematic diagram of polling card search according to one embodiment of the present disclosure. [Figure 7] It is a schematic diagram of polling card search according to another embodiment of the present disclosure. [Figure 8] It is a schematic diagram of an antenna area according to one embodiment of the present disclosure. [Figure 9] It is a schematic diagram of an antenna area according to another embodiment of the present disclosure. [Figure 10] It is a schematic diagram based on the NFC communication method according to an embodiment of the present disclosure.

Modes for Carrying Out the Invention

[0019] Here, exemplary embodiments will be described in detail, and the examples are shown in the drawings. When the following description relates to the drawings, unless otherwise specified, the same numerals in different drawings represent the same or similar elements. The embodiments described in the following exemplary embodiments do not represent all embodiments that conform to the present disclosure. On the contrary, they are merely examples of devices and methods that conform to some aspects of the present disclosure described in detail in the appended claims.

[0020] It should be understood that the terms “including” and “having” in the embodiments of this disclosure, and any variations thereof, are intended to include non-exclusive coverage. For example, a product or device including a set of assemblies is not necessarily limited to those assemblies expressly listed, but may include other assemblies not expressly listed, or other assemblies specific to these products or devices.

[0021] In the embodiments of this disclosure, the terms "and / or" describe the relationship between related objects and indicate that three relationships may exist. For example, A and / or B can represent three cases: A alone, A and B as a combination, or B alone. The letter " / " generally indicates that the preceding and succeeding related objects are in an "or" relationship.

[0022] In the embodiments of this disclosure, the term "plural" means two or more, and other classifiers are similar thereto.

[0023] The terms “first,” “second,” “third,” etc., used in this disclosure are used to distinguish similar or identical subjects or entities and, unless otherwise indicated, do not necessarily mean to limit a specific order or sequence of steps. It should be understood that the terms used herein are interchangeable where appropriate and can be implemented, for example, in any other order given in the illustrations or descriptions of the embodiments of this disclosure.

[0024] As used in this disclosure, “unit / module” means any known or subsequently developed hardware, software, firmware, artificial intelligence, fuzzy logic, or combination of hardware and / or software code that can perform functions associated with that element.

[0025] To facilitate readers' understanding of this disclosure, at least some of the terms used in this disclosure are now interpreted as follows:

[0026] Radio frequency identification (RFID) is a contactless automatic identification technology that utilizes the transmission characteristics of radio frequency signals and their spatial coupling to achieve automatic identification of stationary or moving objects. For example, its principle involves contactless data communication between a reader and a tag to achieve the objective of identifying a target. RFID has a very wide range of applications, with typical applications including animal wafer and automotive wafer theft prevention devices, access control, parking regulations, production line automation, and material management.

[0027] Near Field Communication (NFC) is a new technology that enables devices using NFC technology (such as mobile phones) to exchange data when they are in close proximity to each other. It has evolved through the integration of RFID and interconnection technologies, and by integrating the functions of a sensor-sensitive card reader, a sensor-sensitive card, and point-to-point communication on a single chip, it enables applications such as mobile payments, electronic tickets, access control, mobile identity identification, and anti-counterfeiting using mobile terminals.

[0028] Here, mobile payment refers to the process where mobile clients use electronic devices such as mobile phones to make electronic money payments. Mobile payment effectively links the internet, terminal devices, and financial institutions to form a new type of payment system. Furthermore, mobile payment can not only be used for making payments but also for paying living expenses such as phone bills, gas, water, and electricity bills. Mobile payment has opened up a new payment method and has led to the widespread adoption of electronic money.

[0029] A mobile device or mobile communication device is a computer device that can be used while on the move, and in a broad sense includes mobile phones, laptop computers, tablet computers, point of sale (POS) terminals, and by extension, in-vehicle computers.

[0030] An electronic wallet is a payment tool commonly used in e-commerce shopping activities. It stores electronic money such as electronic cash, electronic coins, and electronic credit cards.

[0031] Wireless network communication technology (Wi-Fi), also known as a mobile hotspot, is a wireless local area network and wireless network transmission technology.

[0032] To facilitate readers' understanding of this disclosure, we currently describe the application scenarios of this disclosure as follows:

[0033] This disclosure provides electronic devices, NFC-based communication methods and systems, where the electronic devices are NFC-enabled electronic devices, such as mobile terminals. Accordingly, as can be seen in conjunction with the above interpretation of near-field communication terms, the electronic devices, NFC-based communication methods and systems of this disclosure may be used in scenarios such as mobile payments, electronic tickets, access control, mobile identity identification, and anti-counterfeiting. A scenario in which the electronic devices of this disclosure are used for mobile payments is given as an example.

[0034] The electronic device may be an NFC payment device (which may include forward-scanning and reverse-scanning deposit devices). Figure 1 shows the workflow of using an NFC reverse-scanning deposit device with a mobile phone. As shown in Figure 1, when the mobile phone is close to the NFC reverse-scanning deposit device, it reads the tag contents inside the NFC reverse-scanning device, a payment page pops up, the mobile phone retrieves the corresponding payment information, and completes the payment.

[0035] The electronic device may be an NFC code card that replaces the original QR code (registered trademark) (e.g., a food order code). Figure 2 shows the process of opening the food order applet by bringing a mobile phone close to the NFC code card. As shown in Figure 2, first the mobile phone is unlocked, and then the NFC code card is touched, and the mobile phone can automatically jump to the corresponding food order applet.

[0036] It should be understood that the mobile payment scenario described above is only one of several use scenarios provided herein. The electronic devices, NFC communication methods, and systems described herein may be used not only in mobile payment scenarios but also in other NFC-enabled scenarios, such as electronic tickets, access control, mobile identity verification, and anti-counterfeiting. Those skilled in the art will understand that the use of the electronic devices described herein in other use scenarios is also within the scope of protection provided herein.

[0037] To facilitate the reader's understanding of this disclosure, the relevant technologies of this disclosure are currently described as follows:

[0038] NFC technology allows two electronic devices to communicate at a relatively close distance (e.g., a few centimeters), and with the continuous maturation of NFC technology, more and more mobile devices (e.g., mobile phones and POS machines) are integrating NFC functionality.

[0039] For example, NFC technology was often first used in smart cards, where a single card reader was used to read information on the smart card and complete mobile payments or identity authentication. As the technology continues to mature, NFC functionality is increasingly integrated into more and more devices (such as mobile phones), and generally, mobile phones are equipped with two NFC modes (card reader mode and card simulation mode).

[0040] When a mobile phone is in card reader mode, it can read tag information, which is often used to guide users to Bluetooth® or Wi-Fi® connections. When a mobile phone is in card emulation mode, it emulates a single card, thereby realizing the emulation of a bank card or access control card, and is used for mobile payments or access control where users can enter and exit by holding their mobile phone over the reader.

[0041] In related technologies, the common mode of NFC in payment scenarios is to use a POS machine as a card reader and a mobile phone or bank card as an (NFC) tag card (card). However, in this disclosure, it is also possible to use a mobile phone as a card reader and a deposit device / code card as the tag card.

[0042] When a mobile phone has its NFC function turned on, the card reading function is turned on by default when the phone is unlocked. After reading the card information from a tag card device (e.g., a POS machine), the mobile phone can either pop up an NFC identification notification or directly display the payment page to complete the payment transaction.

[0043] Compared to the currently popular code-scanning payment method, the method of identifying NFC payment links with a mobile phone can shorten the user's payment path and enhance the user's payment experience. However, when a mobile phone acts as a card reader to read NFC payment links, it faces many challenges.

[0044] For example, compared to conventional card readers, mobile phones are powered by batteries and are very sensitive to power consumption. Therefore, mobile phones turn off the card reading function when the screen is turned off, and most mobile phones perform several consecutive normal card readings after the screen is turned on and unlocked, but then switch to low power card detection (LPCD) mode. Because the internal space of the mobile phone is very constrained, the size of the NFC antenna inside the mobile phone is very small, and in this mode, the degree of coupling between the NFC antenna inside the mobile phone and the card antenna greatly affects the possibility of card detection and sensing time. For the user, when the mobile phone approaches a tag card device to read NFC data, the success rate of card reading is relatively low and the response time is relatively long.

[0045] It should be noted that the above-mentioned related technologies are merely information known to the inventor personally and do not represent that such information was already in the field of public disclosure prior to the filing date of this disclosure, nor do they represent that it can become prior art of this disclosure.

[0046] To avoid at least one of the above problems, this disclosure proposes a creative technological concept that improves the success rate and efficiency of NFC tag detection by increasing the senseable range and sensitivity of the electronic device, by installing multiple identical NFC tags on the electronic device and ensuring that the antennas of any two NFC tags do not completely overlap.

[0047] According to the above technical concept, this disclosure provides an electronic device that includes an NFC module, the NFC module includes multiple NFC tags with the same content, and the antennas of any two NFC tags do not completely overlap.

[0048] Referring to Figure 3, which is a schematic diagram of an electronic device according to an embodiment of the present disclosure, the electronic device includes an NFC module, the NFC module may include an NFC control module and n NFC tags, each of which is communicated with the NFC control module, where n is an integer greater than 1, and as shown in Figure 3, the n NFC tags include NFC tag 1, NFC tag 2, and so on.

[0049] Here, the NFC control module may be connected to the n NFC tags via a communication bus to handle tasks such as synchronizing NFC data within each NFC tag, preventing conflicts among the n NFC tags, and synchronizing their states.

[0050] Each NFC tag includes an antenna. For example, the antenna of NFC tag 1 may be called antenna 1, the antenna of NFC tag 2 may be called antenna 2, and the antenna of NFC tag n may be called antenna n. Then, any two antennas from antenna 1, antenna 2 to antenna n will not completely overlap.

[0051] Taking the example of any two antennas including antenna 1 and antenna 2, antenna 1 and antenna 2 do not completely overlap. For example, antenna 1 and antenna 2 may partially overlap, or they may not overlap at all.

[0052] In the above payment scenario, taking the example that the electronic device is a POS machine and the card reader is a mobile phone, in this embodiment, multiple identical NFC tags are installed on the POS machine, and the antennas of any two NFC tags do not completely overlap. This increases the range and sensitivity of the POS machine that can be detected by the mobile phone, making it easier for the mobile phone to detect and read the NFC tags on the POS machine. This improves the success rate and efficiency of detecting NFC tags on the POS machine, and further improves the efficiency and reliability of payments.

[0053] As can be seen from the above analysis, in some embodiments, any two antennas may partially overlap. As shown in Figure 4, any two antennas include antenna 1 and antenna 2, and antenna 1 and antenna 2 partially overlap.

[0054] In some other embodiments, no two antennas overlap.

[0055] Relatively speaking, if any two antennas do not overlap, the area that each antenna can cover collaboratively can be made wider. Combined with the above example, this can significantly increase the range and sensitivity at which POS devices are detected by mobile phones, thereby improving the efficiency and reliability of payments by further enhancing the success rate and efficiency of NFC tag detection at POS machines.

[0056] In some embodiments, the antennas of multiple NFC tags with the same content are arranged in parallel to form an antenna array.

[0057] For example, when combined with the above example, if n is 2, that is, if multiple NFC tags with the same content are two NFC tags with the same content, and the antennas of the two NFC tags with the same content include antenna 1 and antenna 2, then as shown in Figure 5, antenna 1 and antenna 2 are arranged in parallel to form an antenna array.

[0058] In some embodiments, different NFC tags with the same content use different communication protocols.

[0059] Continuing to refer to the above example and Figure 3, there is a one-to-one correspondence between NFC tags and communication protocols; for example, one NFC tag corresponds to one type of communication protocol.

[0060] For example, the current mainstream NFC supports four communication protocols: 14443 Type A, 14443 Type B, Felica, and 15693. In this case, n can be 4, and each NFC tag supports one of these four communication protocols, and each of the four NFC tags supports a different communication protocol.

[0061] Continuing with the example of the payment scenario above, when a mobile phone searches for a card, it may request polling in the order of the four communication protocols mentioned above. In other words, when a mobile phone makes a request using a certain communication protocol, only NFC tags that support that protocol will respond at the POS machine, while other NFC tags remain silent.

[0062] As shown in Figure 6, some mobile phones perform multiple rounds of card scanning when unlocking, and as shown in Figure 7, if detection is successful, the mobile phone performs one round of card scanning.

[0063] In this embodiment, the probability of an NFC tag responding to a card dispenser is increased by using multiple communication protocols, and the use of different NFC tags with different communication protocols isolates the problem of conflicts occurring between different NFC tags during the communication process, thereby improving the effectiveness and reliability of communication in electronic devices.

[0064] In some embodiments, the number of NFC tags with the same content is determined based on at least one of the following:

[0065] Method 1: A preset detection range for electronic devices.

[0066] Method 2: A pre-set sensing range for a card reader, which is a device that communicates with electronic devices based on NFC.

[0067] Method 3: Information on the detuning effect that the NFC module has on the card reader.

[0068] To make it easier to understand, when combined with Figure 3, the three methods described above are merely illustrative examples illustrating the possible ways in which n can be valued, and should not be understood as limitations on the ways in which n can be valued, or on the value of n.

[0069] Currently, we will continue to use the above example and payment scenario as examples to describe these three types of methods as follows.

[0070] In Method 1, n may be determined based on a preset sensing range of the POS machine, where the preset sensing range may be determined based on methods such as demand, application scenarios, history, and experiments, and is not limited to this embodiment.

[0071] For example, in a scenario where the pre-set sensing range is relatively large, n may be a relatively large value in order to satisfy the requirement that the NFC tag is detected within a relatively large range, and in a scenario where the pre-set sensing range is relatively small, n may be a relatively small value.

[0072] In method 2, n may be determined based on a preset sensing range of the mobile phone, and similarly, this embodiment is not limited to a preset sensing range, but may be determined, for example, based on the performance of the mobile phone.

[0073] Accordingly, in scenarios where the pre-set sensing range is relatively large, the sensing capability of the mobile phone is strong, so NFC tags can be detected within a relatively large range, and therefore n may be a relatively small value. Conversely, in scenarios where the pre-set sensing range is relatively small, the sensing capability of the mobile phone is relatively weak, so n may be a relatively large value in order to allow the mobile phone to efficiently detect NFC tags.

[0074] In method 3, n may be determined based on information about the detuning effect that the NFC module has on the mobile phone. For example, n may be determined based on the largest possible detuning effect that the antenna of the NFC tag has on the antenna of the NFC tag in the mobile phone.

[0075] In this embodiment, by combining one or more of the three methods described above to determine n, the flexibility and diversity of n determination can be improved, and the success rate and efficiency of mobile phones sensing NFC tags at POS machines can be improved while avoiding resource waste.

[0076] In some embodiments, each antenna of multiple identical NFC tags is located in a pre-configured antenna area of ​​an electronic device.

[0077] Relatively speaking, the pre-configured antenna area is the area where the card reader is most likely to detect the NFC tag. Similarly, the pre-configured antenna area may be determined based on methods such as demand, application scenarios, history, and experimentation, and is not limited to this embodiment.

[0078] Here, the card reader may have a corresponding antenna area. For example, if the card reader is a mobile phone, the antenna area may be located in the position shown in Figure 8 or Figure 9. Of course, the antenna area may be in other areas, which will not be listed here.

[0079] In this embodiment, by arranging n antennas in a pre-defined antenna area, the card reader can easily detect the NFC tag, improving the effectiveness and reliability of communication between the electronic device and the card reader.

[0080] It should be explained that while many of the above examples describe electronic devices as sensed devices and mobile phones as card readers, it should not be understood that electronic devices and card readers are limited to these two categories. In some communication scenarios, an electronic device is a sensed device, i.e., sensed as a card, but in some other scenarios, an electronic device may sense and read other cards as a card reader.

[0081] For example, in a scenario where two mobile phones communicate for payment, the electronic device could be the mobile phone of the payment user or the mobile phone of the deposit user.

[0082] As can be seen from the above analysis, the above example increased the sensing area and communication range mainly in the dimension of the number of NFC tags, i.e., the dimension of the number of antennas. However, in some other embodiments, methods such as improving the shape and size of the antenna may be employed to increase the sensing area and communication range and improve communication performance. However, relatively speaking, there are limits to the improvement of the antenna. For example, using a larger antenna limits the relatively small antenna size of the mobile phone, and for antennas exceeding a certain size, communication performance actually decreases.

[0083] Therefore, in some embodiments, n may be determined by combining dimensions such as the actual product of the electronic device, the shape of the antenna, and the size of the antenna, in order to ensure that the reliability of communication performance is improved by increasing the sensing area and the communication range.

[0084] It should be noted that this embodiment is not limited to antenna materials or NFC tag chips, and may be determined based on factors such as demand, application scenarios, historical data, and experimentation.

[0085] For example, the antenna may employ an empty tuning coil with no modulation capability. The NFC tag chip may employ an NFC tag chip with active load modulation capability. Relatively speaking, this chip can increase the communication range, the empty tuning coil can increase the sensing range, and relatively good communication performance can be achieved within the communication range of this chip.

[0086] According to the above technical concept, this disclosure further provides an NFC communication method, which is based on the electronic device described in the above embodiment, and as shown in Figure 10, this communication includes the following S101 and S102.

[0087] S101: When an electronic device receives a current round of card search messages transmitted from a card reader, it determines the type attribute of multiple identical NFC tags, where the type attribute is used to indicate whether multiple identical NFC tags have been detected by the card reader, and includes a detected type and a silent type.

[0088] For example, as can be seen from Figure 10, the default state of an electronic device is the initial state, which is waiting for tag reading; that is, multiple NFC tags with the same content are in a state waiting to be read.

[0089] The card reader maintains LPCD mode after unlocking and transmits the LPCD signal in LPCD mode. The electronic device receives the LPCD signal accordingly.

[0090] The card reader, once it determines that it has detected a card based on the transmitted LPCD signal and monitored signals, prepares to turn on card search and then turns on polling card search.

[0091] As can be seen by combining the above example with Figure 6, since polling card lookup by a card reader is a multi-round card lookup, the card reader sends a card lookup message for the current round to the electronic device. In response, the electronic device receives the card lookup message for the current round.

[0092] Here, since the current round's card search message may have been sent by a card reader based on a certain communication protocol, when an electronic device receives the current round's card search message, an NFC tag corresponding to this communication protocol will respond, while other NFC tags will remain silent. Therefore, the NFC type attribute corresponding to this communication protocol may be called the "sensing type," and the type attribute of other NFC tags may be called the "non-sensing type" (or silent type).

[0093] S102: The electronic device responds to the current round's card search message according to the sensing type, where the response is used to read the tag data.

[0094] Accordingly, if the type attribute determined by the electronic device is a sensing type, the electronic device responds to the current round's card lookup message so that the card reader reads the tag data based on this response.

[0095] For example, as shown in Figure 10, the card reader starts reading NFC data when it receives a response, and analyzes the NFC data and performs a page jump when the NFC data has been completely read. At this point, the electronic device returns to its initial state when it has finished transmitting NFC data to the card reader and has not received the LPCD signal from the card reader.

[0096] In some embodiments, if the card reader does not detect a card within a predetermined period, the process proceeds to the next card search. The specific implementation principle is described in the above examples and will not be explained further here.

[0097] As can be seen from the above analysis, it is possible to avoid conflicts between multiple NFC tags with the same content by employing at least two methods: Method 1: Different NFC tags with the same content may have different communication protocols; Method 2: Different NFC tags have the same communication protocol. To facilitate the reader's understanding of the above conflict avoidance methods, they will be described separately here.

[0098] Method 1 - Among multiple NFC tags with the same content, different NFC tags may use different communication protocols: In S101 above, the electronic device determining the type attribute of multiple NFC tags with the same content includes determining the type attribute of the current NFC tag, where the current NFC tag is one of the multiple NFC tags with the same content.

[0099] Furthermore, in S102 above, the electronic device responds to the current round's card search message according to the sensing type, where the response is used to read the tag data, which includes responding to the current round's card search message based on the current NFC tag when the type attribute of the current NFC tag is sensing type, where the response is used to read the tag data of the current NFC tag.

[0100] For example, combining the above example with Figure 3, if we consider a scenario where there are two NFC tags with the same content, including NFC tag 1 and NFC tag 2, and NFC tag 1 supports the 14443 Type A communication protocol, and NFC tag 2 supports the 14443 Type B communication protocol, If the communication protocol corresponding to the current round's card search message transmitted by the card reader is 14443 Type A, then NFC tag 1 responds to the card reader and its type attribute is Sensitive type, while NFC tag 2 does not respond to the card reader and its type attribute is Silent type.

[0101] Accordingly, since the card reader receives a response and knows that this response is from NFC tag 1, the card reader begins reading the NFC data on NFC tag 1.

[0102] Method 2 - Different NFC tags use the same communication protocol: In S101 above, the electronic device determining the type attribute of multiple NFC tags with the same content includes obtaining the type attribute corresponding to each NFC tag among the multiple NFC tags with the same content.

[0103] Furthermore, in S102 above, the electronic device responds to the current round's card search message according to the sensing type, and the response is used to read the tag data, which includes responding to the current round's card search message according to each sensing type, and the response is used to read the tag data of the target NFC tag, where the target NFC tag is determined by the card reader from among the NFC tags corresponding to each sensing type.

[0104] For example, combining the above example with Figure 3, there are two NFC tags with the same content, including NFC tag 1 and NFC tag 2, and both NFC tag 1 and NFC tag 2 support communication protocols 14443 Type A and 14443 Type B. If the communication protocol of the current round of card search messages transmitted by the card reader is 14443 Type A, and the type attributes of both NFC tag 1 and NFC tag 2 are determined to be sensing type, then both NFC tag 1 and NFC tag 2 will respond to the card reader.

[0105] Accordingly, the card reader receives responses corresponding to NFC tag 1 and NFC tag 2, and selects one NFC tag from NFC tag 1 and NFC tag 2 to interact with. For example, if NFC tag 2 is selected and interacted with, NFC tag 2 becomes the target NFC tag and enters an active state, so the card reader starts reading the NFC data on NFC tag 2.

[0106] In some embodiments, when the card reader has finished reading the data from the target NFC tag, it turns off other NFC tags besides the target NFC tag to avoid the problem of the card reader reading multiple NFC tags and displaying the page repeatedly.

[0107] At this point, once the radio frequency field of the card reader moves far away from the device and exceeds the communication range, each NFC tag returns to its default initial state.

[0108] It should be noted that the above examples are merely illustrative examples illustrating possible implementations of the NFC communication method of this disclosure and should not be understood as limitations on implementations of the NFC communication method of this disclosure. Exemplarily, new embodiments can be obtained by combining some of the technical features described above based on the above technical concept; new embodiments can be obtained by adding new technical features based on the above examples; new embodiments can be obtained by reducing some of the technical features based on the above examples; some of the technical features in the above examples can be replaced with other technical features; and new embodiments can be obtained by adjusting the order of some of the technical features in the above examples, and these will not be listed individually here.

[0109] According to the above technical concept, the present disclosure further provides an NFC-based communication system, the communication system comprising a card reader and an electronic device as described in any one of the above embodiments, wherein the card reader is a device that communicates with the electronic device based on NFC.

[0110] The card reader is used to send a polling card search message to the electronic device.

[0111] The electronic device is used to perform the communication method described in any one of the above embodiments based on the current round's card lookup message and to respond to the card reader, wherein the polling card lookup message includes the current round's card lookup message.

[0112] The card reader is further used to read tag data in the electronic device based on the response.

[0113] According to the above technical concept, the present disclosure further provides a processor-readable storage medium that stores a computer program, and the computer program is used to cause the processor to execute the NFC communication method described in any one of the above embodiments.

[0114] According to the above technical concept, this disclosure further provides an NFC-based communication system, which communication system At least one memory containing at least one set of instructions for communicating based on NFC, Includes at least one processor that communicates with the at least one memory, Here, when the at least one processor executes the at least one set of instructions, the NFC communication method described in any one of the above embodiments is implemented.

[0115] According to the above technical concept, this disclosure further provides a computer program product which includes a computer program that, when executed by a processor, realizes the NFC communication method described in any one of the above embodiments.

[0116] According to the above technical concept, this disclosure further provides an electronic device which includes a processor and a memory that communicates with the processor. The aforementioned memory stores computer execution instructions, The processor executes computer execution instructions stored in the memory to realize the NFC communication method described in any one of the above embodiments.

[0117] According to the above technical concept, the disclosure further provides a non-temporary storage medium that stores at least a set of executable instructions for communication based on NFC. When the executable instructions are executed by a processor, the executable instructions instruct the processor to carry out steps of the NFC communication method described herein. In some possible embodiments, each aspect of this specification may be implemented in the form of a program product including program code.

[0118] The above describes specific embodiments of this specification. Other embodiments are within the scope of the appended claims. In some cases, the operations or steps described in the claims may be performed in a different order than those in the embodiments, and the desired results can still be achieved. Furthermore, the processes depicted in the drawings do not necessarily have to show a specific order or sequence to achieve the desired results. In some embodiments, multiple task processing and parallel processing may be possible or advantageous.

[0119] In summary, after reviewing the details of this detailed disclosure, a person skilled in the art will see that the details described herein may be presented only in the example form and are not restrictive. Although not explicitly stated herein, this specification will need to include various reasonable changes, improvements and modifications to the examples, as will be understood by a person skilled in the art. These changes, improvements and modifications are proposed herein and fall within the spirit and scope of the exemplary examples herein.

[0120] Some terms used herein have already been used to describe the examples described herein. For example, “one example,” “example,” and / or “several examples” mean that the combination of certain features, structures, or properties described in this example may be included in at least one example of this specification. Therefore, it should be emphasized and understood that two or more references to “example,” “one example,” or “alternative example” in each part of this specification do not necessarily refer to the same example. Furthermore, certain features, structures, or properties may be appropriately combined in one or more examples of this specification.

[0121] It should be understood that, in the preceding descriptions of the embodiments in this specification, for the purpose of simplifying this specification in order to aid in the understanding of a single feature, various features are combined in a single embodiment, drawing, or description thereof. However, this does not mean that these combinations of features are essential, and those skilled in the art can fully understand some of the devices described herein as individual embodiments when browsing this specification. In other words, embodiments in this specification may be understood as a combination of multiple secondary embodiments. However, the content of each secondary embodiment may be less than all the features of a single previously disclosed embodiment.

[0122] Each patent, patent application, publication of a patent application, and other material, such as texts, books, specifications, publications, documents, articles, etc., referenced herein, except for documents that do not coincide with or conflict with this Specified, or that have a limiting effect on the broadest scope of the claims, may be incorporated herein by reference and used for all purposes currently or hereafter relating to this Specified. In the event of any inconsistency or conflict between the description, definition and / or use of a related term in any material and / or the description, definition and / or use of a related term in this Specified, the terms in this Specified shall prevail.

[0123] Finally, it should be understood that the embodiments of the application disclosed herein illustrate the principles of the embodiments disclosed herein. Other modified embodiments are also within the scope of this specification. Therefore, the embodiments disclosed herein are not restrictive and are merely examples. Those skilled in the art can implement the applications herein by adopting alternative configurations based on the embodiments herein. Therefore, the embodiments herein are not limited to those precisely described in the applications.

Claims

1. An electronic device including an NFC module, wherein the NFC module includes multiple NFC tags with the same content, and the antennas of any two NFC tags do not completely overlap. The electronic device is configured to turn off other NFC tags among the plurality of NFC tags, in response to the card reader determining that it has read a target NFC tag among the plurality of NFC tags.

2. The electronic device according to claim 1, characterized in that, among the multiple NFC tags having the same content, different NFC tags have different communication protocols.

3. The electronic device according to claim 1, characterized in that the antennas of any two NFC tags do not have an overlapping region.

4. The electronic device according to claim 3, characterized in that the antennas of each of the multiple NFC tags with the same content are arranged in parallel to form an antenna array.

5. The number of the aforementioned multiple NFC tags with the same content is The preset sensing range of the electronic device, A preset sensing range of a card reader, which is a device that communicates with the electronic device based on NFC, The electronic device according to claim 1, characterized in that it is determined based on at least one of the following: the NFC module and the detuning effect information that the card reader provides.

6. The electronic device according to claim 1, characterized in that the antennas of the plurality of NFC tags with the same content are located in a preset antenna area of ​​the electronic device.

7. A communication method using NFC, used in the electronic device described in claim 1, A step of determining the type attribute of multiple NFC tags with the same content when a card search message for the current round is obtained from a card reader, wherein the type attribute is used to indicate whether the multiple NFC tags with the same content have been detected by the card reader, and includes a detected type and a non-detected type. An NFC communication method characterized by comprising the step of responding to the current round's card search message according to the sensing type, wherein the response is used to read tag data.

8. Among multiple NFC tags with the same content, different NFC tags use different communication protocols. The step of determining the type attribute of multiple NFC tags with the same content is: This includes determining the type attribute of the current NFC tag, where the current NFC tag is one of the NFC tags with the same content. The step of responding to the card search message of the current round according to the sensing type, wherein the response is used to read tag data, The communication method according to claim 7, comprising responding to the current round's card lookup message based on the current NFC tag when the type attribute of the current NFC tag is the sensing type, wherein the response is used to read the tag data of the current NFC tag.

9. The communication protocols of the aforementioned multiple NFC tags with the same content are the same. The step of determining the type attribute of multiple NFC tags with the same content is: This includes obtaining the type attribute corresponding to each NFC tag among the multiple NFC tags with the same content, The step of responding to the card search message of the current round according to the sensing type, wherein the response is used to read tag data, The communication method according to claim 7, characterized in that it responds to the card search message of the current round according to each sensing type, the response being used to read the tag data of a target NFC tag, wherein the target NFC tag is determined by the card reader from among the NFC tags corresponding to each sensing type.

10. An NFC-based communication system comprising a card reader and an electronic device according to any one of claims 1 to 6, wherein the card reader is a device that communicates with the electronic device based on NFC. The card reader is used to send a polling card search message to the electronic device. The electronic device is used to perform the communication method according to any one of claims 7 to 9 based on the current round's card lookup message and to respond to the card reader, wherein the polling card lookup message includes the current round's card lookup message. An NFC-based communication system characterized in that the card reader is further used to read tag data in the electronic device based on the response.

11. A computer program that, when executed by a processor, causes the processor to execute the NFC communication method described in claim 7.

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