CN113950102B - Communication method, electronic price tag system, computer equipment and storage medium - Google Patents
Communication method, electronic price tag system, computer equipment and storage medium Download PDFInfo
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- 238000004891 communication Methods 0.000 title claims abstract description 127
- 238000000034 method Methods 0.000 title claims abstract description 54
- 230000000737 periodic effect Effects 0.000 claims abstract description 104
- 238000004590 computer program Methods 0.000 claims description 11
- 230000008054 signal transmission Effects 0.000 description 5
- 238000012544 monitoring process Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/0231—Traffic management, e.g. flow control or congestion control based on communication conditions
- H04W28/0236—Traffic management, e.g. flow control or congestion control based on communication conditions radio quality, e.g. interference, losses or delay
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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
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/35—Services specially adapted for particular environments, situations or purposes for the management of goods or merchandise
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
- H04W72/541—Allocation or scheduling criteria for wireless resources based on quality criteria using the level of interference
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Abstract
The invention provides a communication method, an electronic price tag system, computer equipment and a storage medium, which are applied to the electronic price tag system, wherein the method comprises the following steps: the method comprises the steps that a server obtains a plurality of periodic signals sent by all base stations in a current store to receive base stations of adjacent stores; the server establishes a first adjacent store list according to the first communication parameters in each periodic signal; the server distributes target communication parameters for the current newly-built base station according to the first adjacent store list; and the current newly-built base station sends a data signal and a target periodic signal according to the target communication parameter. The invention solves the problem of mutual interference among a plurality of stores using the electronic price tag system in the prior art, so that the frequency channels used by the base stations between adjacent stores have interval protection and the sending time is not overlapped, the purpose of avoiding mutual interference is achieved, the communication success rate of the electronic price tag system is improved, and the system throughput capacity of the electronic price tag system is improved.
Description
Technical Field
The invention relates to the technical field of communication, in particular to a communication method, an electronic price tag system, computer equipment and a storage medium.
Background
As electronic price tag systems are applied more and more widely in various retail fields, in more and more customer scenes, stores of different customers or stores of the same customer are adjacent in geographic positions, because the electronic price tag systems of different stores are independently established and operated, channels with the same frequency can be used in the respective electronic price tag systems of the adjacent stores for communication in the same time, and co-frequency interference can cause that the price tag communication of the two stores is unsuccessful; in addition, since the price tag communication parameters of two stores may be the same, the instruction transmitted by the store through the communication parameters may be erroneously executed by the price tags of other adjacent stores.
Therefore, the communication method of the electronic price tag system in the prior art has the problem of mutual interference among a plurality of stores using the electronic price tag system, reduces the precision and the stability of the electronic price tag system, and does not meet the actual requirements of customers.
Disclosure of Invention
Aiming at the defects in the prior art, the communication method, the electronic price tag system, the computer equipment and the storage medium solve the problem that mutual interference exists among a plurality of stores using the electronic price tag system in the prior art, so that the frequency channels used by base stations between adjacent stores have interval protection and the sending time does not overlap, the purpose of avoiding the mutual interference is achieved, the communication success rate of the electronic price tag system is improved, and the system throughput capacity of the electronic price tag system is improved.
In a first aspect, the present invention provides a communication method applied to an electronic price tag system, where the electronic price tag system includes a server, a base station, and an electronic price tag, and the method includes: the server acquires that all base stations in a current store receive a plurality of periodic signals sent by base stations of adjacent stores, wherein all base stations in the current store comprise a current newly-built base station and a built base station; the server establishes a first adjacent store list according to a first communication parameter in each periodic signal, wherein the first communication parameter comprises a store ID, a data signal frequency channel, a periodic signal frequency channel and a periodic signal sending time; the server distributes target communication parameters for the current newly-built base station according to the first adjacent store list; and the current newly-built base station sends a data signal and a target periodic signal according to the target communication parameter, so that the electronic price tag executes corresponding command operation according to the data signal, and the adjacent store base station acquires the target communication parameter of the current newly-built base station according to the target periodic signal.
Optionally, the allocating, by the server, the target communication parameter to the current newly-built base station according to the first adjacent store list includes: the server judges whether an idle frequency channel exists or not according to the first adjacent store list and all frequency channels occupied in the base station established by the current store; and when an idle frequency channel exists, taking the idle frequency channel as a data signal frequency channel or/and a periodic signal frequency channel of the current newly-built base station.
Optionally, when there is no idle frequency channel, the method further includes: the server selects a frequency channel with the least frequency as a target frequency channel of the current newly-built base station; the server obtains the target sending time of the signal sent by the current newly-built base station according to the signal sending time sequence table of the target frequency channel; and taking the target frequency channel and the target sending time as target communication parameters of the current newly-built base station, wherein the target frequency channel is a data signal frequency channel or/and a periodic signal frequency channel.
Optionally, the allocating, by the server, the target communication parameter to the current newly-built base station according to the first adjacent store list includes: the server controls all base stations of the current store to receive a plurality of heartbeat signals sent by electronic price tags of adjacent stores; the server establishes a second adjacent store list according to a second communication parameter in the plurality of heartbeat signals, wherein the second communication parameter comprises a store ID and a data signal frequency channel; and the server distributes target communication parameters for the current newly-built base station according to the first adjacent store list and the second adjacent store list.
Optionally, after the server allocates the target communication parameters to the current newly-built base station according to the first adjacent store list, the method further includes: the server continuously monitors a plurality of periodic signals sent by the base stations of the adjacent stores according to all the base stations of the current store, and updates a first list of the adjacent stores; and the server adjusts the communication parameters of a target base station in the current store according to the updated first adjacent store list, wherein the target base station is a base station of which the communication parameters conflict with the updated first adjacent store list.
Optionally, the method further comprises: the electronic price tag receives a data signal sent by a base station; judging whether the base station sending the data signal belongs to the current store or not according to the store ID in the data signal; and if the base station sending the data signal belongs to the current store, executing command operation in the data signal.
Optionally, if the base station sending the data signal does not belong to the current store, the electronic price tag determines whether to execute the data signal according to the type of the command in the data signal.
In a second aspect, the present invention provides an electronic price tag system, comprising a server, a base station and an electronic price tag; the server is used for acquiring a plurality of periodic signals sent by all base stations in a current store to receive base stations of adjacent stores, wherein all the base stations in the current store comprise a current newly-built base station and a built base station; the server is further used for establishing a first adjacent store list according to a first communication parameter in each periodic signal, wherein the first communication parameter comprises a store ID, a data signal frequency channel, a periodic signal frequency channel and a periodic signal sending time; the server is also used for distributing target communication parameters for the current newly-built base station according to the first adjacent store list; and the current newly-built base station is used for sending a data signal and a target periodic signal according to the target communication parameter, so that the electronic price tag executes corresponding command operation according to the data signal, and the adjacent store base station acquires the target communication parameter of the current newly-built base station according to the target periodic signal.
In a third aspect, the present invention provides a computer device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the following steps when executing the computer program: the server acquires that all base stations in a current store receive a plurality of periodic signals sent by base stations of adjacent stores, wherein all base stations in the current store comprise a current newly-built base station and a built base station; the server establishes a first adjacent store list according to a first communication parameter in each periodic signal, wherein the first communication parameter comprises a store ID, a data signal frequency channel, a periodic signal frequency channel and a periodic signal sending time; the server distributes target communication parameters for the current newly-built base station according to the first adjacent store list; and the current newly-built base station sends a data signal and a target periodic signal according to the target communication parameter, so that the electronic price tag executes corresponding command operation according to the data signal, and the adjacent store base station acquires the target communication parameter of the current newly-built base station according to the target periodic signal.
In a fourth aspect, the present invention provides a readable storage medium having stored thereon a computer program which, when executed by a processor, performs the steps of: the server acquires that all base stations in a current store receive a plurality of periodic signals sent by base stations of adjacent stores, wherein all base stations in the current store comprise a current newly-built base station and a built base station; the server establishes a first adjacent store list according to a first communication parameter in each periodic signal, wherein the first communication parameter comprises a store ID, a data signal frequency channel, a periodic signal frequency channel and a periodic signal sending time; the server distributes target communication parameters for the current newly-built base station according to the first adjacent store list; and the current newly-built base station sends a data signal and a target periodic signal according to the target communication parameter, so that the electronic price tag executes corresponding command operation according to the data signal, and the adjacent store base station acquires the target communication parameter of the current newly-built base station according to the target periodic signal.
Compared with the prior art, the invention has the following beneficial effects:
according to the communication method provided by the invention, the adjacent store list is generated by receiving a plurality of periodic signals sent by the base station of the adjacent store by all base stations in the current store, the target communication parameters are distributed to the current newly-built base station according to the adjacent store list, and the current newly-built base station sends the data signals and the target periodic signals according to the target communication parameters, so that the frequency channels used by the base stations between the adjacent stores have interval protection and the sending time is not overlapped, the purpose of avoiding mutual interference is achieved, the communication success rate of the electronic price tag system is improved, the system throughput capacity of the electronic price tag system is increased, the problem that the electronic price tag is operated by the adjacent store by mistake is solved, and the precision and the stability of the electronic price tag system are improved.
Drawings
Fig. 1 is a schematic flow chart of a communication method according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an electronic price tag system according to an embodiment of the present invention;
fig. 3 is a schematic diagram illustrating a neighbor relation in an electronic price tag system according to an embodiment of the present invention;
fig. 4 is a flowchart illustrating another communication method according to an embodiment of the present invention;
fig. 5 is a flowchart illustrating another communication method according to an embodiment of the present invention;
fig. 6 is a flowchart illustrating a further communication method according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In a first aspect, the present invention provides a communication method, which specifically includes the following embodiments:
fig. 1 is a schematic flow chart of a communication method according to an embodiment of the present invention, and as shown in fig. 1, when the communication method is applied to an electronic price tag system and the electronic price tag system includes a server, a base station, and an electronic price tag, the method specifically includes the following steps:
step S101, the server acquires a plurality of periodic signals sent by all base stations in the current store to receive the base stations of the adjacent store.
It should be noted that, as shown in fig. 2, in this embodiment, the electronic price tag system of each store includes a server, a base station, and an electronic price tag, where the server sends trigger information or a control instruction to the electronic price tag through the base station, and each base station may send a periodic signal including communication parameters and a data signal including the trigger information or the control instruction at regular time, where a frequency channel for sending the periodic signal and a frequency channel for sending the data signal may be the same or different, and in order to better avoid mutual interference between the base stations, the embodiment takes as an example that the frequency channel for sending the periodic signal and the frequency channel for sending the data signal are different.
Referring to fig. 2, the electronic price tag N belongs to an electronic price tag system in the store 1, and the electronic price tag M belongs to an electronic price tag system in the store 2, and since the electronic price tag N and the electronic price tag M are close to each other, the electronic price tag N is likely to receive a data signal transmitted by a base station of the store 2, which causes a problem of misoperation of the electronic price tag N.
In order to solve the above problem, in this embodiment, before a new base station is established in a current store or communication parameters are allocated to the new base station, a server in an electronic price tag system controls all newly-established and established base stations in the current store to receive multiple periodic signals sent by base stations in neighboring stores; it should be noted that, because the base station already established in the current store also sends the periodic signal at regular time, each base station in the current store can receive the periodic signal sent by the base station in the adjacent store as well as the periodic signal sent by other base stations in the current store, and the server can perform screening according to the store ID in the periodic signal reported by each base station, so as to obtain a plurality of periodic signals sent by the base station in the adjacent store and received by all base stations in the current store.
Step S102, the server establishes a first adjacent store list according to the first communication parameters in each periodic signal.
In an embodiment, the first communication parameter includes a store ID, a data signal frequency channel, a periodic signal frequency channel, and a periodic signal transmission time; the server establishes a first adjacent store list according to the first communication parameter in each periodic signal, namely the first adjacent store list comprises store IDs, a data signal frequency channel, a periodic signal frequency channel, periodic signal sending time and other information.
And step S103, the server distributes target communication parameters to the current newly-built base station according to the first adjacent store list.
In this embodiment, the step of allocating, by the server, the target communication parameter to the current newly-built base station according to the first adjacent store list includes: the server judges whether an idle frequency channel exists or not according to the first adjacent store list and all frequency channels occupied in the base station established by the current store; and when an idle frequency channel exists, taking the idle frequency channel as a data signal frequency channel or/and a periodic signal frequency channel of the current newly-built base station.
It should be noted that, in this embodiment, the frequency channels of the electronic price tag system are limited, and the server determines whether an unused frequency channel exists in the current electronic price tag system according to the used frequency channel in the first adjacent store list and the used frequency channel in the current store established base station, and if the number of the unused frequency channels is greater than or equal to 2, selects two of the unused frequency channels to be used as the data signal frequency channel and the periodic signal frequency channel of the current newly-built base station, respectively; if the number of the unused frequency channels is equal to 1, taking the unused frequency channels as the data signal frequency channels or/and the periodic signal frequency channels of the newly-built base station at present, and allocating different signal sending time for the data signal frequency channels or/and the periodic signal frequency channels of the newly-built base station at present; the data signal frequency channel and the periodic signal frequency channel may be the same frequency channel or may be independent frequency channels.
In this embodiment, when there is no idle frequency channel, the method further includes: the server selects a frequency channel with the least frequency as a target frequency channel of the current newly-built base station; the server obtains the target sending time of the signal of the current newly-built base station according to the signal sending time sequence table of the target frequency channel; and taking the target frequency channel and the target sending time as target communication parameters of the current newly-built base station.
It should be noted that, when there is no unused frequency channel, selecting the frequency channel with the least frequency from all frequency channels as the target frequency channel of the newly-built current base station, where the least frequency is the minimum number of base stations using the current frequency channel; according to the current signal transmission time sequence table of the target frequency channel, the unused time slot is selected as the time slot of the signal transmitted by the current new base station, so that the target transmission time of the signal transmitted by the current new base station can be obtained, as shown in fig. 3, T1 is the signal transmission cycle, T2 is the signal transmission time slot of a certain base station in store 1, and T3 is the signal transmission time slot of the current new base station in store 2.
And step S104, the current newly-built base station sends a data signal and a target periodic signal according to the target communication parameter, so that the electronic price tag executes corresponding command operation according to the data signal, and the adjacent store base station acquires the target communication parameter of the current newly-built base station according to the target periodic signal.
It should be noted that the target communication parameters include, but are not limited to, a frequency channel through which the current newly-built base station sends a data signal, sending time for sending data, a frequency channel through which a periodic signal is sent, and sending time for sending the periodic signal, and the current newly-built base station sends the data signal to a corresponding electronic price tag according to the target communication parameters, so that the electronic price tag executes a corresponding command operation according to the data signal; and the current newly-built base station sends a target periodic signal according to the target communication parameter, so that the target communication parameter of the current newly-built base station is obtained by the base station of the adjacent store and other base stations of the current store according to the target periodic signal, and then the interference avoidance of the subsequent newly-built base station is carried out by the adjacent store according to the target communication parameter.
Compared with the prior art, the embodiment has the following beneficial effects:
according to the communication method provided by the embodiment, the adjacent store list is generated by receiving a plurality of periodic signals sent by the base station of the adjacent store through all base stations in the current store, the target communication parameters are distributed to the current newly-built base station according to the adjacent store list, and the current newly-built base station sends the data signals and the target periodic signals according to the target communication parameters, so that the frequency channels used by the base stations between the adjacent stores have interval protection and the sending time does not overlap, the purpose of avoiding mutual interference is achieved, the communication success rate of the electronic price tag system is improved, the system throughput capacity of the electronic price tag system is improved, the problem that the electronic price tag is operated by the adjacent store by mistake is solved, and the precision and the stability of the electronic price tag system are improved.
In another embodiment of the present invention, after the server allocates the target communication parameters to the current newly-built base station according to the first neighboring store list, the method further includes: the server continuously monitors a plurality of periodic signals sent by the base stations of the adjacent stores according to all the base stations of the current store, and updates a first list of the adjacent stores; and the server adjusts the communication parameters of a target base station in the current store according to the updated first adjacent store list, wherein the target base station is a base station of which the communication parameters conflict with the updated first adjacent store list.
As shown in fig. 4, the specific steps of the communication method provided in this embodiment include:
step 1, a server controls a newly-built store base station to scan periodic signals sent by adjacent store base stations, determines information such as frequency channels, sending time and store IDs of adjacent stores and obtains an adjacent store list;
step 2, the server selects a working frequency channel, periodic signal sending time, newly-built store ID and other key parameters for the newly-built store base station according to the frequency channel used by the adjacent store, issues an adjacent store list and starts to send periodic signals;
step 3, the base station continuously monitors periodic signals sent by the base station of the adjacent store;
step 4, judging whether the original adjacent store disappears or whether a newly added adjacent store exists;
step 5, if a newly added base station exists, the server and the base station add the newly added store to an adjacent store list, if the newly added store conflicts with a frequency channel, the working frequency channel is adjusted, if the periodic signal sending time conflicts, the periodic signal sending time is adjusted, and if other parameters conflict, other parameters are adjusted;
step 6, if the original adjacent store base station disappears, the server and the base station delete the disappeared store from the adjacent store list;
and 7, repeating the step 3.
In yet another embodiment of the present invention, the method further comprises: the electronic price tag receives a data signal sent by a base station; judging whether the base station sending the data signal belongs to the current store or not according to the store ID in the data signal; and if the base station sending the data signal belongs to the current store, executing command operation in the data signal.
As shown in fig. 5, in order to further avoid interference, the electronic price tag may determine whether execution is needed by identifying a store ID to which a base station transmitting a data signal belongs, so as to solve the problem of misoperation of a base station of an adjacent store, and the specific flow is as follows:
step 1, a price tag receives a signal sent by a base station, and information such as a price tag working frequency channel, an ID of a store to which the price tag belongs, an adjacent store list and the like is obtained;
step 2, continuously monitoring a command sent by the base station by the price tag;
step 3, judging which store the command is sent by the price tag according to the store ID;
step 4, if the base station sending the command is the store to which the price tag belongs, the price tag executes the command;
step 5, if the base station sending the command is not the store to which the price tag belongs, the price tag determines whether to execute the command according to the type of the command;
and 6, repeating the step 2.
In another embodiment of the present invention, the server allocating, according to the first neighbor store list, target communication parameters to the current newly-built base station includes: the server controls all base stations of the current store to receive a plurality of heartbeat signals sent by electronic price tags of adjacent stores; the server establishes a second adjacent store list according to a second communication parameter in the plurality of heartbeat signals, wherein the second communication parameter comprises a store ID and a data signal frequency channel; and the server distributes target communication parameters for the current newly-built base station according to the first adjacent store list and the second adjacent store list.
As shown in fig. 6, in order to further improve the accuracy of monitoring and avoiding the interference of the adjacent store by the electronic price tag system, a method for monitoring the price tag transmission signal may be added, and the method is combined with the method for monitoring the base station of the adjacent store in fig. 4, so that the obtained information of the adjacent store is more accurate and comprehensive, and the interference avoiding effect is better. The specific supplementary method comprises the following flows:
step 1, a server controls a newly-built store base station to scan a signal sent by a price tag of an adjacent store, determines information such as a frequency channel and a store ID of the adjacent store and obtains an adjacent store list;
step 2, the server selects a working frequency channel, a newly-built store ID and other key parameters for a newly-built store base station according to a frequency channel used by an adjacent store, issues an adjacent store list and starts to send periodic signals;
step 3, the base station continuously monitors signals sent by price tags of adjacent stores;
step 4, judging whether the original adjacent store disappears or whether a newly added adjacent store exists;
step 5, if a newly added base station exists, the server and the base station add the newly added store to an adjacent store list, if the newly added store conflicts with a frequency channel, the working frequency channel is adjusted, and if other parameters conflict, other parameters are adjusted;
step 6, if the original adjacent store base station disappears, the server and the base station delete the disappeared store from the adjacent store list;
and 7, repeating the step 3.
In a second aspect, the present invention provides an electronic price tag system, specifically comprising a server, a base station, and an electronic price tag; the server is used for acquiring a plurality of periodic signals sent by all base stations in a current store to receive base stations of adjacent stores, wherein all the base stations in the current store comprise a current newly-built base station and a built base station; the server is further used for establishing a first adjacent store list according to a first communication parameter in each periodic signal, wherein the first communication parameter comprises a store ID, a data signal frequency channel, a periodic signal frequency channel and a periodic signal sending time; the server is also used for distributing target communication parameters to the current newly-built base station according to the first adjacent store list; and the current newly-built base station is used for sending a data signal and a target periodic signal according to the target communication parameter, so that the electronic price tag executes corresponding command operation according to the data signal, and the adjacent store base station acquires the target communication parameter of the current newly-built base station according to the target periodic signal.
It should be noted that the electronic price tag system provided by the invention can actively find, continuously monitor and actively avoid interference, so that frequency channels used by adjacent stores have a guard interval, the sending time is not overlapped, and the interference is avoided, thereby improving the communication success rate of the electronic price tag system, increasing the system throughput capacity of the electronic price tag system, and solving the problem that the price tag is mistakenly operated by the adjacent stores.
In a third aspect, an embodiment of the present invention provides a computer device, including a memory, a processor, and a computer program stored on the memory and executable on the processor, where the processor implements the following steps when executing the computer program: the server acquires that all base stations in a current store receive a plurality of periodic signals sent by base stations of adjacent stores, wherein all base stations in the current store comprise a current newly-built base station and a built base station; the server establishes a first adjacent store list according to a first communication parameter in each periodic signal, wherein the first communication parameter comprises a store ID, a data signal frequency channel, a periodic signal frequency channel and a periodic signal sending time; the server distributes target communication parameters for the current newly-built base station according to the first adjacent store list; and the current newly-built base station sends a data signal and a target periodic signal according to the target communication parameter, so that the electronic price tag executes corresponding command operation according to the data signal, and the adjacent store base station acquires the target communication parameter of the current newly-built base station according to the target periodic signal.
In a fourth aspect, an embodiment of the present invention provides a readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements the following steps: the server acquires that all base stations in a current store receive a plurality of periodic signals sent by base stations of adjacent stores, wherein all base stations in the current store comprise a current newly-built base station and a built base station; the server establishes a first adjacent store list according to a first communication parameter in each periodic signal, wherein the first communication parameter comprises a store ID, a data signal frequency channel, a periodic signal frequency channel and a periodic signal sending time; the server distributes target communication parameters for the current newly-built base station according to the first adjacent store list; and the current newly-built base station sends a data signal and a target periodic signal according to the target communication parameter, so that the electronic price tag executes corresponding command operation according to the data signal, and the adjacent store base station acquires the target communication parameter of the current newly-built base station according to the target periodic signal.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above may be implemented by a computer program, which may be stored in a non-volatile computer readable storage medium, and when executed, may include the processes of the embodiments of the methods described above. Any reference to memory, storage, database, or other medium used in the embodiments provided herein may include non-volatile and/or volatile memory, among others. Non-volatile memory can include read-only memory (ROM), Programmable ROM (PROM), Electrically Programmable ROM (EPROM), Electrically Erasable Programmable ROM (EEPROM), or flash memory. Volatile memory can include Random Access Memory (RAM) or external cache memory. By way of illustration and not limitation, RAM is available in a variety of forms such as Static RAM (SRAM), Dynamic RAM (DRAM), Synchronous DRAM (SDRAM), Double Data Rate SDRAM (DDRSDRAM), Enhanced SDRAM (ESDRAM), Synchronous Link DRAM (SLDRAM), Rambus Direct RAM (RDRAM), direct bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM).
It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Claims (9)
1. A communication method applied to an electronic price tag system including a server, a base station, and an electronic price tag, the method comprising:
the server acquires a plurality of periodic signals sent by all base stations in a current store to receive base stations of adjacent stores, wherein all the base stations in the current store comprise a current newly-built base station and a built base station, and each base station can regularly send periodic signals comprising communication parameters and data signals comprising trigger information or control instructions;
the server establishes a first adjacent store list according to a first communication parameter in each periodic signal, wherein the first communication parameter comprises a store ID, a data signal frequency channel, a periodic signal frequency channel and a periodic signal sending time;
the server controls all base stations of the current store to receive a plurality of heartbeat signals sent by electronic price tags of adjacent stores;
the server establishes a second adjacent store list according to a second communication parameter in the heartbeat signals, wherein the second communication parameter comprises a store ID and a data signal frequency channel;
the server distributes target communication parameters for the current newly-built base station according to the first adjacent store list and the second adjacent store list;
and the current newly-built base station sends a data signal and a target periodic signal according to the target communication parameter, so that the electronic price tag executes corresponding command operation according to the data signal, and the adjacent store base station acquires the target communication parameter of the current newly-built base station according to the target periodic signal.
2. The communication method according to claim 1, wherein the server allocates target communication parameters for the currently newly-built base station according to the first neighbor store list, and the method comprises:
the server judges whether an idle frequency channel exists or not according to the first adjacent store list and all frequency channels occupied in the base station established by the current store;
and when an idle frequency channel exists, taking the idle frequency channel as a data signal frequency channel or/and a periodic signal frequency channel of the current newly-built base station.
3. The communication method of claim 2, wherein when no idle frequency channel exists, the method further comprises:
the server selects a frequency channel with the least frequency as a target frequency channel of the current newly-built base station;
the server obtains the target sending time of the signal sent by the current newly-built base station according to the signal sending time sequence table of the target frequency channel;
and taking the target frequency channel and the target sending time as target communication parameters of the current newly-built base station, wherein the target frequency channel is a data signal frequency channel or/and a periodic signal frequency channel.
4. The communication method according to claim 1, wherein after the server allocates the target communication parameters to the currently newly-built base station according to the first neighbor store list, the method further comprises:
the server continuously monitors a plurality of periodic signals sent by the base stations of the adjacent stores according to all the base stations of the current store, and updates a first list of the adjacent stores;
and the server adjusts the communication parameters of a target base station in the current store according to the updated first adjacent store list, wherein the target base station is a base station of which the communication parameters conflict with the updated first adjacent store list.
5. The communication method of claim 1, wherein the method further comprises:
the electronic price tag receives a data signal sent by a base station;
judging whether the base station sending the data signal belongs to the current store or not according to the store ID in the data signal;
and if the base station sending the data signal belongs to the current store, executing command operation in the data signal.
6. The communication method of claim 5, wherein the electronic price tag determines whether to execute according to a type of command in the data signal if the base station transmitting the data signal does not belong to a current store.
7. An electronic price tag system, characterized in that the electronic price tag system comprises a server, a base station and an electronic price tag;
the server is used for acquiring a plurality of periodic signals sent by all base stations in a current store to receive base stations of adjacent stores, wherein all the base stations in the current store comprise a current newly-built base station and a built base station, and each base station can regularly send periodic signals comprising communication parameters and data signals comprising trigger information or control instructions;
the server is further used for establishing a first adjacent store list according to a first communication parameter in each periodic signal, wherein the first communication parameter comprises a store ID, a data signal frequency channel, a periodic signal frequency channel and a periodic signal sending time;
the server is further used for controlling all base stations of the current store to receive a plurality of heartbeat signals sent by electronic price tags of adjacent stores, and is further used for establishing a second adjacent store list according to a second communication parameter in the plurality of heartbeat signals, wherein the second communication parameter comprises a store ID and a data signal frequency channel; the system is also used for distributing target communication parameters for the current newly-built base station according to the first adjacent store list and the second adjacent store list;
and the current newly-built base station is used for sending a data signal and a target periodic signal according to the target communication parameter, so that the electronic price tag executes corresponding command operation according to the data signal, and the adjacent store base station acquires the target communication parameter of the current newly-built base station according to the target periodic signal.
8. A computer device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, characterized in that the steps of the method of any of claims 1 to 6 are implemented by the processor when executing the computer program.
9. A readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out the steps of the method of any one of claims 1 to 6.
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| EP4422134A1 (en) | 2023-01-08 | 2024-08-28 | Hanshow Technology Co., Ltd. | Method for dynamically adjusting timing sequence between adjacent synchronization networks, and electronic price tag system |
| CN115802477B (en) * | 2023-01-08 | 2023-06-09 | 汉朔科技股份有限公司 | Method for dynamically adjusting time sequence between adjacent networks of synchronous network and electronic price tag system |
| CN116828595B (en) * | 2023-08-24 | 2024-01-02 | 汉朔科技股份有限公司 | Positioning method of electronic price tag, computer equipment and storage medium |
| CN117440337B (en) * | 2023-12-19 | 2024-03-08 | 汉朔科技股份有限公司 | Store attribution management method, device and system for electronic price tag |
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