CN107087251B - Background processing system based on mobile phone terminal simulation POS platform - Google Patents
Background processing system based on mobile phone terminal simulation POS platform Download PDFInfo
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- CN107087251B CN107087251B CN201710257702.1A CN201710257702A CN107087251B CN 107087251 B CN107087251 B CN 107087251B CN 201710257702 A CN201710257702 A CN 201710257702A CN 107087251 B CN107087251 B CN 107087251B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
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- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/08—Payment architectures
- G06Q20/085—Payment architectures involving remote charge determination or related payment systems
- G06Q20/0855—Payment architectures involving remote charge determination or related payment systems involving a third party
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
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- G06Q20/30—Payment architectures, schemes or protocols characterised by the use of specific devices or networks
- G06Q20/32—Payment architectures, schemes or protocols characterised by the use of specific devices or networks using wireless devices
- G06Q20/327—Short range or proximity payments by means of M-devices
- G06Q20/3278—RFID or NFC payments by means of M-devices
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
- H04L63/083—Network architectures or network communication protocols for network security for authentication of entities using passwords
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
- H04L63/0853—Network architectures or network communication protocols for network security for authentication of entities using an additional device, e.g. smartcard, SIM or a different communication terminal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
- H04L9/3226—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials using a predetermined code, e.g. password, passphrase or PIN
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0213—Venting apertures; Constructional details thereof
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- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0217—Mechanical details of casings
- H05K5/0234—Feet; Stands; Pedestals, e.g. wheels for moving casing on floor
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20709—Modifications to facilitate cooling, ventilating, or heating for server racks or cabinets; for data centers, e.g. 19-inch computer racks
- H05K7/20718—Forced ventilation of a gaseous coolant
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Abstract
The invention discloses a background processing system for simulating a POS platform based on a mobile phone terminal, which comprises an NFC mobile phone configured for a user, wherein the NFC mobile phone comprises a mobile phone App used for reading and authenticating, the NFC mobile phone is connected with an authentication server and a background system through a 4G network, the NFC mobile phone is connected with a merchant mobile phone through NFC, and the merchant mobile phone, a third-party payment system and a primary merchant system are also connected with the background system through the 4G network; the background system comprises a background server, and the background server is arranged in the box; the steps are combined, so that the defects that in the prior art, the server which is difficult to restore the whole returns response information, the redundant part of the subframe for sending the encrypted user name and the encrypted account number is large, the signal energy for sending the encrypted user name and the encrypted account number is insufficient, and the background server is frequently failed in the environment, even burned out, and difficult to maintain are overcome.
Description
Technical Field
The invention relates to the technical field of NFC, in particular to a background processing system based on a mobile phone terminal simulation POS platform.
Background
The existing POS platform based on mobile phone terminal simulation is a system which integrates functions of mobile phone payment, statistical query, merchant authentication and log management in a unified way from the aspect of system service function positioning. The method is applied by the mobile terminal and is displayed to a large number of users, the operations of order payment, statistical query and the like of the merchants are facilitated, and the POS distribution cost of the small and miniature merchants is reduced. And the scale development of the NFC service is realized.
On the other hand, to realize the existing POS consumption function through the NFC mobile phone client, save the POS deployment cost, and reduce the merchant access threshold, there is a background processing step based on the mobile phone terminal simulated POS platform, specifically:
a merchant submits an order after inputting order information on a merchant mobile phone client, and obtains a unique order number from a background system; a merchant sends an order, a user clicks a user mobile phone client to obtain the order, the merchant mobile phone is contacted with the user mobile phone, and the merchant client sends an order number to the user client through NFC; a client of a user acquires order detailed information from a background system through an order number; the background system sends the order to the third-party payment system, the third-party payment system generates a signed order and returns the signed order to the background system, and the background system returns the detailed order information and the order signed by the third-party payment system to the user client; after confirming the details of the order, the user transmits the acquired signature order to a third party payment client plug-in, and the user inputs an account and a password and initiates payment; the third party payment plug-in sends the transaction to the third party payment system, after the transaction is successful, the third party payment system informs the first-level merchant system and returns the transaction result to the user client, the user informs the merchant, and the merchant can inquire the order payment state from the first-level merchant system through the order number.
However, during the period of initiating payment after a user inputs an account and a password, the encrypted user name and the account are often sent to a server through an NFC mobile phone for verification at first, and the server returns response information after verification.
The background system comprises a background server, the background server is arranged in a box body at present, the background server generates heat when being executed, if heat flow cannot be eliminated in real time, hot air in the box body is increased, the background server frequently fails in such an environment, and even the background server is burnt out; in addition, the lower end of the box body provided with the background server is basically a copper alloy support frame, the quality is not small, and the box body cannot be easily moved if the box body needs to be moved and maintained, so that the maintenance is difficult.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a background processing system based on a mobile phone terminal simulation POS platform, which avoids the defects that in the prior art, the server which is difficult to restore the whole returns response information, the redundant part of the subframe for sending the encrypted user name and the encrypted account number is large, the signal energy for sending the encrypted user name and the encrypted account number is insufficient, and the background server is frequently damaged or burned out under the environment and is difficult to maintain.
In order to solve the technical problems, the technical solution of the invention is as follows:
a background processing system based on a mobile phone terminal simulation POS platform comprises an NFC mobile phone configured for a user, wherein the NFC mobile phone comprises a mobile phone App used for reading and authenticating, the NFC mobile phone is connected with an authentication server and a background system through a 4G network, the NFC mobile phone is connected with a merchant mobile phone through NFC, and the merchant mobile phone, a third-party payment system and a primary merchant system are also connected with the background system through the 4G network;
the background system comprises a background server, and the background server is arranged in the box.
The box comprises a box body Y1, a cover plate Y2 and a support plate Y3, wherein the cover plate Y2 and the support plate Y3 are positioned on a front panel of the box body, the size of the support plate Y3 is larger than that of a lower wall plate of the box body Y1, the box body Y1 is riveted on the support plate Y3, one side of the box body Y1 is riveted with one end of a pair of slide supports Y12, and the other end of the slide support Y12 is riveted with the cover plate Y2 positioned on the front panel of the box body;
a plurality of pairs of supporting pieces Y6 are riveted on a pair of edge surfaces inside the box body Y1, each pair of supporting pieces Y6 are riveted on a pair of edge surfaces inside the box body Y1 in an opposite direction, a sheet body Y7 which is parallel to the ground and used for allowing airflow to flow through is placed on each pair of supporting pieces Y6, one side of all sheet bodies Y7 is provided with a long-cavity-channel-shaped through groove Y8 used for allowing airflow to flow through, and a space is kept between the projections of the horizontal plane of the adjacent pair of sheet bodies Y7 used for allowing airflow to flow through, and the through grooves Y8 used for allowing airflow to flow through are distributed in a crossed manner;
an air outlet machine Y4 is arranged on the back of the upper part of the box body Y1; in addition, more than two first through cavities Y51 are arranged at the positions, close to the support plate Y3, of a pair of side parts of the box body Y1, and more than two second through cavities Y52 are also arranged at the bottom of the cover plate Y2 on the front panel of the box body;
two pairs of vertexes of the supporting plate Y3 are respectively provided with a channel Y9 embedded with a nut, the channel Y9 is connected with a lifting screw Y10, and the lifting screw Y10 can be screwed into the channel Y9 according to a screw groove of the nut; the lower part of the lifting screw Y10 is provided with a steel ball Y11, and the transverse span and the longitudinal span of the steel ball Y11 are not more than the transverse span and the longitudinal span of the screw nut respectively.
The steps of simulating the background processing system of the POS platform based on the mobile phone terminal are as follows:
a merchant submits an order after inputting order information on a merchant mobile phone client, and obtains a unique order number from a background system; a merchant sends an order, a user clicks a user mobile phone client to obtain the order, the merchant mobile phone is contacted with the user mobile phone, and the merchant client sends an order number to the user client through NFC; a client of a user acquires order detailed information from a background system through an order number; the background system sends the order to the third-party payment system, the third-party payment system generates a signed order and returns the signed order to the background system, and the background system returns the detailed order information and the order signed by the third-party payment system to the user client; after confirming the details of the order, the user transmits the acquired signature order to a third party payment client plug-in, and the user inputs an account and a password and initiates payment; the third party payment plug-in sends the transaction to the third party payment system, after the transaction is successful, the third party payment system informs the first-level merchant system and returns the transaction result to the user client, the user informs the merchant, and the merchant can inquire the order payment state from the first-level merchant system through the order number;
during the payment initiated by the user after inputting the account and the password, the encrypted user name and account are initially sent to the server for verification through the NFC mobile phone, and the specific mode is as follows:
starting the NFC mobile phone to operate a mobile phone App used for reading and authenticating so as to open a login account and a password with an input interface for inputting a user; encrypting a login account and a password of a user by using a private key in an intelligent card of user equipment; sending the encrypted login account and the encrypted password of the user to an authentication server; and receiving a verification result from the authentication server; wherein the private key is generated by a public key infrastructure, PKI, system;
and additionally, the encrypted login account and password of the user are sent to a server by decomposing the encrypted login account and password of the user into subframes, and the subframes are organized in a manner that the following steps are included:
1-1: selecting the time length and the frequency width for sending the sub-frame according to given conditions;
1-2: performing classification and serialization work on the subframes according to the duration and the bandwidth to obtain classification information and serialization information of the subframes;
1-3: and selecting an optimal receiving period according to the classification information and the serialization information of the sub-frames to obtain sub-frame organization information.
Compared with the prior art, the structure of the invention has the advantages that:
the method has the advantages that the whole server can be recovered simply to return response information, the redundant part of the subframe for sending the encrypted user name and the encrypted account number is small, and the signal energy for sending the encrypted user name and the encrypted account number is sufficient. In addition, the flaky bodies Y7 for allowing the airflow to flow through form flaky flow, so that the heat flow conveying effect is improved, and the cooling effect is greatly improved; when the air outlet machine Y4 is used for exhausting air, hot air in the box body Y1 flows to a high position to remove the air outlet machine Y4, and in addition, cold air flows into the box body Y1 from the first through cavity Y51 and the second through cavity Y52 of the cover plate Y2 on the front panel of the box body to form a reciprocating type air flow cooling framework; the steel ball Y11 can be screwed into the groove Y9 with the lifting screw Y10, the nut is embedded in the groove, the top of the lifting screw Y10 is provided with a screw head, and the screwing screw head can achieve the lifting of the lifting screw Y10; when the two pairs of lifting screw rods Y10 are continuously lifted, the steel balls Y11 integrally enter the channel Y9, the supporting plates Y3 are adjacent to the ground at the moment and are lifted to the erection effect, and the box body is firmly placed on the ground at the moment; in addition, when the two pairs of lifting screw rods Y10 are continuously lowered, the steel ball Y11 can be moved through the steel ball.
Drawings
Fig. 1 is a schematic structural diagram of the background processing system based on a mobile phone terminal simulated POS platform.
FIG. 2 is an interior front view of the case of the present invention;
FIG. 3 is a right side view of the case of the present invention;
FIG. 4 is a portion of the case of the present invention;
fig. 5 is a portion of the case of the present invention.
Fig. 6 is a portion of the case of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1-6, the background processing system based on a mobile phone terminal simulated POS platform includes an NFC mobile phone configured for a user, where the NFC mobile phone includes a mobile phone App for reading and authenticating, the NFC mobile phone is connected to an authentication server and a background system through a 4G network, the NFC mobile phone is connected to a merchant mobile phone through NFC, and the merchant mobile phone, a third-party payment system, and a primary merchant system are further connected to the background system through the 4G network; the background system comprises a background server, and the background server is arranged in the box.
The box comprises a box body Y1, a cover plate Y2 and a support plate Y3, wherein the cover plate Y2 and the support plate Y3 are positioned on a front panel of the box body, the size of the support plate Y3 is larger than that of a lower wall plate of the box body Y1, the box body Y1 is riveted on the support plate Y3, one side of the box body Y1 is riveted with one end of a pair of slide supports Y12, and the other end of the slide support Y12 is riveted with the cover plate Y2 positioned on the front panel of the box body; the cover plate Y2 on the front panel of the box body can rotate by taking one end riveted by the slide brace Y12 as a center line.
A plurality of pairs of supporting pieces Y6 are riveted on a pair of edge surfaces inside the box body Y1, each pair of supporting pieces Y6 are riveted on a pair of edge surfaces inside the box body Y1 in an opposite direction, each pair of supporting pieces Y6 is provided with a sheet body Y7 which is parallel to the ground and used for allowing airflow to flow through, one side of all sheet bodies Y7 is provided with a long-cavity-shaped through groove Y8 used for allowing airflow to flow through, in addition, an interval is kept between projections of a horizontal plane of the adjacent pair of sheet bodies Y7 used for allowing airflow to flow through, the through grooves Y8 used for allowing airflow to flow through are distributed in a crossed manner, and the sheet bodies Y7 used for allowing airflow to flow through are formed into sheet flow, so that the heat flow conveying effect is improved, and the cooling effect is greatly improved;
an air outlet machine Y4 is arranged on the back of the upper part of the box body Y1, and the air outlet machine Y4 can remove the air flow in the box body Y1 when in operation so as to be lower than the atmospheric pressure; in addition, more than two first through cavities Y51 are arranged at the positions, close to the support plate Y3, of a pair of side parts of the box body Y1, and more than two second through cavities Y52 are also arranged at the bottom of the cover plate Y2 on the front panel of the box body; when the air outlet machine Y4 is used for exhausting air, hot air in the box body Y1 flows to a high position to remove the air outlet machine Y4, and in addition, cold air flows into the box body Y1 from the first through cavity Y51 and the second through cavity Y52 of the cover plate Y2 on the front panel of the box body to form a reciprocating type air flow cooling framework;
two pairs of vertexes of the supporting plate Y3 are respectively provided with a channel Y9 embedded with a nut, the channel Y9 is connected with a lifting screw Y10, and the lifting screw Y10 can be screwed into the channel Y9 according to a screw groove of the nut; the lower part of the lifting screw Y10 is provided with a steel ball Y11, and the transverse span and the longitudinal span of the steel ball Y11 are not more than the transverse span and the longitudinal span of the screw nut respectively; the steel ball Y11 can be screwed into the groove Y9 with the lifting screw Y10, the nut is embedded in the groove, the top of the lifting screw Y10 is provided with a screw head, and the screwing screw head can achieve the lifting of the lifting screw Y10; when the two pairs of lifting screw rods Y10 are continuously lifted, the steel balls Y11 integrally enter the channel Y9, the supporting plates Y3 are adjacent to the ground at the moment and are lifted to the erection effect, and the box body is firmly placed on the ground at the moment; in addition, when the two pairs of lifting screw rods Y10 are continuously lowered, the steel ball Y11 can be moved through the steel ball.
The steps of simulating the background processing system of the POS platform based on the mobile phone terminal are as follows:
a merchant submits an order after inputting order information on a merchant mobile phone client, and obtains a unique order number from a background system; a merchant sends an order, a user clicks a user mobile phone client to obtain the order, the merchant mobile phone is contacted with the user mobile phone, and the merchant client sends an order number to the user client through NFC; a client of a user acquires order detailed information from a background system through an order number; the background system sends the order to the third-party payment system, the third-party payment system generates a signed order and returns the signed order to the background system, and the background system returns the detailed order information and the order signed by the third-party payment system to the user client; after confirming the details of the order, the user transmits the acquired signature order to a third party payment client plug-in, and the user inputs an account and a password and initiates payment; the third party payment plug-in sends the transaction to the third party payment system, after the transaction is successful, the third party payment system informs the first-level merchant system and returns the transaction result to the user client, the user informs the merchant, and the merchant can inquire the order payment state from the first-level merchant system through the order number;
during the payment initiated by the user after inputting the account and the password, the encrypted user name and account are initially sent to the server for verification through the NFC mobile phone, and the specific mode is as follows:
starting the NFC mobile phone to operate a mobile phone App used for reading and authenticating so as to open a login account and a password with an input interface for inputting a user; encrypting a login account and a password of a user by using a private key in an intelligent card of user equipment; sending the encrypted login account and the encrypted password of the user to an authentication server; and receiving a verification result from the authentication server; wherein the private key is generated by a public key infrastructure, PKI, system;
and additionally, the encrypted login account and password of the user are sent to a server by decomposing the encrypted login account and password of the user into subframes, and the subframes are organized in a manner that the following steps are included:
1-1: selecting the time length and the frequency width for sending the sub-frame according to given conditions;
1-2: performing classification and serialization work on the subframes according to the duration and the bandwidth to obtain classification information and serialization information of the subframes;
1-3: and selecting an optimal receiving period according to the classification information and the serialization information of the sub-frames to obtain sub-frame organization information.
The given conditions comprise: the minimum interval from the authentication server, the maximum energy of a signal sent by the NFC mobile phone, the maximum interval from the authentication server and the minimum interval from the authentication server, wherein the maximum interval from the authentication server can be used for effectively communicating between the NFC mobile phone and the 4G network, and the minimum interval from the authentication server can be used for effectively communicating between the NFC mobile phone and the 4G network, are identified by the 4G network.
The method for selecting the time length and the frequency width for sending the sub-frame comprises the following steps:
2-1: acquiring the bandwidth for sending the sub-frame according to the minimum interval R and the electromagnetic wave speed D of the NFC mobile phone which is identified by the 4G network and is away from the authentication server
2-2: according to the maximum interval L from the authentication server for effective communication between the NFC mobile phone and the 4G network1Minimum interval L from authentication server capable of effectively communicating with NFC mobile phone and 4G network2Obtaining a maximum period of time between receiving a verification result from the authentication server and transmitting the sub-frame
A minimum period of time spaced from the receipt of the verification result from the authentication server and the transmission of the sub-frame
2-3: time difference P between sub-frames according to different bandwidth1The time difference P between subframes of the same bandwidth as a selected pair to avoid interval aliasing2Is not more than t1And t2Maximum number of differences as a period t for transmitting one sub-framet；
2-4 according to time period t of transmitting one sub-frametReceiving a verification result from the authentication server and transmitting a minimum period t of an interval between the sub-frames2And a cycle duration P of transmitting one subframekVia the equation M x tt＜PkAnd
obtaining the number M of the transmission subframes;
2-5: according to the duration t of transmitting a subframetObtaining the time length of the transmission sub-frame according to the number M of the transmission sub-frames
Wherein d represents the repetition specific gravity of the bandwidth;
2-6: according to the bandwidth S of sending a subframe and the number M of sending subframes, via the equation
And
the middle point of the bandwidth of the E-th sub-frame and the bandwidth S of the sending sub-frame are obtained, wherein the value range of E is a natural number between 1-M.
The sum of the periods of all subframes with distinct frequency band categories is not less than the period t of transmitting one subframet。
The sum of the bandwidths of all the subframes with the different band categories is not less than the bandwidth S of transmitting one subframe.
The classifying of the subframes into separating all subframes with adjacent frequency bands from time intervals according to the duration and the bandwidth is used for ensuring that the time intervals with adjacent frequency bands do not intersect; time difference P between all sub-frames with different bandwidth1Not less than a maximum period t of time for transmitting the interval between the subframes1A minimum period t spaced from the reception of the verification result from the authentication server and the transmission of the sub-frame2The subtracted values are used to ensure that the validation result information received for subframes with the same frequency band does not intersect.
The method for performing classification and serialization on the subframe according to the duration and the bandwidth comprises the following steps:
3-1: aiming at the real number identification of the M subframes, obtaining subframes which form singular identification and even identification according to the number identification;
3-2: sending M × M/2 sub-frames in a sending duration, dividing the sub-frames into M/2 classes, wherein each class contains the same sub-frame;
3-3: dividing the first type of subframes into a first frame queue U1 and a second frame queue V2, wherein the first frame queue U1 is formed by subframes with odd numbers and the second frame queue V2 is formed by subframes with even numbers, and the first frame queue U1 and the second frame queue V2 are distributed in a sequence from small to large according to the frequency;
3-4: the subframes from the second category to the mth category are also divided into a frame queue Uw and a frame queue Vw, the frame queue Uw is obtained by shifting the first frame queue U1 by w-1 subframes towards the left, where w is the number of categories, and w is 2, 3 … M/2; each type of the data transmission system comprises the same subframes in a consistent data organization form, and the transmission duration of each subframe or the duration of receiving the verification result information is Q or 2Q.
The method for selecting the optimal receiving period is as follows:
4-1: obtaining 2 depending on each transmission duration Q or 2Q for a subframe or the duration Q or 2Q for which verification result information is receivedM/2Receiving a composition of the verification result information, wherein M is the number of the sub-frames;
4-2: setting a time point of Tot after the subframe is sent to receive the verification result, wherein the Tot ranges from Q to BQ, and BQ represents the time point of repeatedly sending the frequency of the subsequent subframe;
4-3: totalizing each piece of receiving verification result information, and acquiring the frequency X of the same subframe appearing at the time point of the Tot;
4-4 eliminating the frequency X appearing at the time of the Tot, and calculating the offset Y of the received verification result information as follows:
Y＝∑(X2-Z(X2))
wherein Z (X)2) Representing the mathematical expectation, the reception duration of the component of the reception verification result information, for which the Y value is the smallest, is obtained as the optimal reception period, thus obtaining the optimal subframe organization information.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (4)
1. A background processing system based on a mobile phone terminal simulation POS platform is characterized by comprising an NFC mobile phone configured for a user, wherein the NFC mobile phone comprises a mobile phone App used for reading and authenticating, the NFC mobile phone is connected with an authentication server and a background system through a 4G network, the NFC mobile phone is connected with a merchant mobile phone through NFC, and the merchant mobile phone, a third party payment system and a primary merchant system are also connected with the background system through the 4G network;
the background system comprises a background server, and the background server is arranged in the box;
a merchant submits an order after inputting order information on a merchant mobile phone client, and obtains a unique order number from a background system; a merchant sends an order, a user clicks a user mobile phone client to obtain the order, the merchant mobile phone is contacted with the user mobile phone, and the merchant client sends an order number to the user client through NFC; a client of a user acquires order detailed information from a background system through an order number; the background system sends the order to the third-party payment system, the third-party payment system generates a signed order and returns the signed order to the background system, and the background system returns the detailed order information and the order signed by the third-party payment system to the user client; after confirming the details of the order, the user transmits the acquired signature order to a third party payment client plug-in, and the user inputs an account and a password and initiates payment; the third party payment plug-in sends the transaction to the third party payment system, after the transaction is successful, the third party payment system informs the first-level merchant system and returns the transaction result to the user client, the user informs the merchant, and the merchant can inquire the order payment state from the first-level merchant system through the order number;
during the payment initiated by the user after inputting the account and the password, the encrypted user name and account are initially sent to the server for verification through the NFC mobile phone, and the specific mode is as follows:
starting the NFC mobile phone to operate a mobile phone App used for reading and authenticating so as to open a login account and a password with an input interface for inputting a user; encrypting a login account and a password of a user by using a private key in an intelligent card of user equipment; sending the encrypted login account and the encrypted password of the user to an authentication server; and receiving a verification result from the authentication server; wherein the private key is generated by a public key infrastructure, PKI, system;
and additionally, the encrypted login account and password of the user are sent to a server by decomposing the encrypted login account and password of the user into subframes, and the subframes are organized in a manner that the following steps are included:
1-1: selecting the time length and the frequency width for sending the sub-frame;
1-2: performing classification and serialization work on the subframes according to the duration and the bandwidth to obtain classification information and serialization information of the subframes;
1-3: selecting an optimal receiving period according to the classification information and the serialization information of the sub-frame to obtain the sub-frame organization information
The minimum interval from the authentication server, the maximum energy of a signal sent by the NFC mobile phone, the maximum interval from the authentication server and the minimum interval from the authentication server, wherein the maximum interval from the authentication server can be used for effectively communicating between the NFC mobile phone and the 4G network, and the minimum interval from the authentication server can be used for effectively communicating between the NFC mobile phone and the 4G network, are identified by the 4G network;
the method for selecting the time length and the frequency width for sending the sub-frame comprises the following steps:
2-1: acquiring the bandwidth for sending the sub-frame according to the minimum interval R and the electromagnetic wave speed D of the NFC mobile phone which is identified by the 4G network and is away from the authentication server
2-2: according to the maximum interval L from the authentication server for effective communication between the NFC mobile phone and the 4G network1Minimum interval L from authentication server capable of effectively communicating with NFC mobile phone and 4G network2Obtaining a maximum period of time between receiving a verification result from the authentication server and transmitting the sub-frame
And receiving verification from the authentication serverMinimum period of time between the result and the transmission of the subframe
2-3: time difference P between sub-frames according to different bandwidth1The time difference P between subframes of the same bandwidth as a selected pair to avoid interval aliasing2Is not more than t1And t2Maximum number of differences as a period t for transmitting one sub-framet；
2-4 according to time period t of transmitting one sub-frametReceiving a verification result from the authentication server and transmitting a minimum period t of an interval between the sub-frames2And a cycle duration P of transmitting one subframekVia the equation M x tt＜PkAnd
obtaining the number M of the transmission subframes;
2-5: according to the duration t of transmitting a subframetObtaining the time length of the transmission sub-frame according to the number M of the transmission sub-frames
Wherein d represents the repetition specific gravity of the bandwidth;
2-6: according to the bandwidth S of sending a subframe and the number M of sending subframes, via the equation
And
obtaining the middle point of the bandwidth of the E-th sub-frame, wherein the value range of E is a natural number between 1 and M, and FERepresenting the middle point of the bandwidth of the E-th subframe, and s represents an intermediate variable;
the repetition of the bandwidth represented by d is more representative of the ratio of the bandwidth of the same part of the sub-frame of the adjacent bandwidth to the bandwidth of the independent sub-frame.
2. The background processing system based on the mobile phone terminal simulation POS platform of claim 1, wherein the box comprises a box body, a cover plate and a support plate, the cover plate is positioned on the front plate of the box body, the support plate is larger than the lower wall plate of the box body, the box body is riveted on the support plate, one side of the box body is riveted with one end of a pair of sliding supports, and the other end of each sliding support is riveted with the cover plate positioned on the front plate of the box body;
a plurality of pairs of supporting sheets are riveted on the surfaces of a pair of side parts in the box body, each pair of supporting sheets are riveted on the surfaces of a pair of side parts in the box body in opposite directions, each pair of supporting sheets is provided with a sheet-shaped body which is parallel to the ground and is used for allowing airflow to flow through, one side of each sheet-shaped body is provided with a through groove in a long cavity channel shape and used for allowing airflow to flow through, and the other adjacent pair of sheet-shaped bodies used for allowing airflow to flow through are kept at intervals in the projection of the horizontal plane and are distributed in a crossed manner among the through grooves used for allowing airflow to flow through;
an air outlet machine is arranged on the back of the upper part of the box body; in addition, more than two first through cavities are formed in the positions, close to the supporting plates, of the pair of side parts of the box body, and more than two second through cavities are also formed in the bottom of the cover plate on the front plate of the box body;
the positions of two pairs of vertexes of the supporting plate are respectively provided with a channel in which a nut is embedded, the channel is connected with a lifting screw rod, and the lifting screw rod can be screwed into the channel according to a screw groove of the nut; the lower part of the lifting screw rod is provided with steel balls, and the transverse span and the longitudinal span of each steel ball are not larger than those of the nut.
3. The method of claim 2, wherein the classifying of the subframes into the separation of all subframes with adjacent frequency bands from the time interval is performed according to the duration and the bandwidth, so as to ensure that the time intervals of the adjacent frequency bands do not intersect; time difference P between all sub-frames with different bandwidth1Not less than a maximum period t of time for transmitting the interval between the subframes1A minimum period t spaced from the reception of the verification result from the authentication server and the transmission of the sub-frame2The subtracted values are used to ensure that the validation result information received for subframes with the same frequency band does not intersect.
4. The method of claim 3, wherein the classifying and serializing the sub-frames according to the duration and bandwidth are performed by the following steps:
3-1: aiming at the real number identification of the M subframes, obtaining subframes which form singular identification and even identification according to the number identification;
3-2: sending M × M/2 sub-frames in a sending duration, dividing the sub-frames into M/2 classes, wherein each class contains the same sub-frame;
3-3: dividing the first type of subframes into a first frame queue U1 and a second frame queue V2, wherein the first frame queue U1 is formed by subframes with odd numbers and the second frame queue V2 is formed by subframes with even numbers, and the first frame queue U1 and the second frame queue V2 are distributed in a sequence from small to large according to the frequency;
3-4: the subframes from the second category to the mth category are also divided into a frame queue Uw and a frame queue Vw, the frame queue Uw is obtained by shifting the first frame queue U1 by w-1 subframes towards the left, where w is the number of categories, and w is 2, 3 … M/2; each type of the sub-frames with the same data organization form is consistent, and the sending time length of each sub-frame or the time length of receiving the verification result information is Q or 2Q;
the method for selecting the optimal receiving period is as follows:
4-1: obtaining 2 depending on each transmission duration Q or 2Q for a subframe or the duration Q or 2Q for which verification result information is receivedM/2Receiving a composition of the verification result information, wherein M is the number of the sub-frames;
4-2: setting a time point of Tot after the subframe is sent to receive the verification result, wherein the Tot ranges from Q to BQ, and BQ represents the time point of repeatedly sending the frequency of the subsequent subframe;
4-3: totalizing each piece of receiving verification result information, and acquiring the frequency X of the same subframe appearing at the time point of the Tot;
4-4 eliminating the frequency X appearing at the time of the Tot, and calculating the offset Y of the received verification result information as follows:
Y＝∑(X2-Z(X2))
wherein Z (X)2) Representing the mathematical expectation, the reception duration of the component of the reception verification result information, for which the Y value is the smallest, is obtained as the optimal reception period, thus obtaining the optimal subframe organization information.
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