Disclosure of Invention
The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview nor is intended to identify key/critical elements or to delineate the scope of such embodiments but rather as a prelude to the more detailed description that is presented later.
The embodiment of the disclosure provides a method and a device for accessing an intelligent device to a network and the intelligent device, so as to provide a new network access mode of the intelligent device.
In some embodiments, the method comprises: the intelligent equipment is applied to the intelligent equipment configured with the WI-SUN module, the intelligent equipment sends a network broadcast frame to the WI-SUN network on the peripheral side of the intelligent equipment, and the network broadcast frame is used for requesting to join the WI-SUN network on the peripheral side of the intelligent equipment; the intelligent equipment receives a network response frame sent by a first network, wherein the first network is a WI-SUN network on the peripheral side receiving the network broadcast frame, and the network response frame comprises network address information of the first network; the intelligent equipment sends a configuration request frame to the first network according to the network address information, so that the first network sends a corresponding network access configuration scheme to the intelligent equipment according to the configuration request; and when the intelligent equipment receives the network access configuration scheme sent by the first network, adding the intelligent equipment to the first network according to the network access configuration scheme.
In some embodiments, the method comprises: if the intelligent equipment receives a plurality of network response frames, and each network response frame comprises the network characteristic information of the network, if the intelligent equipment is configured with the preset network characteristic information, determining a first target network which is the same as the preset network characteristic information; and the intelligent equipment sends a configuration request frame to the first target network according to the network address information of the first target network.
In some embodiments, the method comprises: if the intelligent equipment receives a plurality of network response frames, and each network response frame comprises the signal intensity information of the network, determining a first target network with the strongest signal in the plurality of networks; and the intelligent equipment sends a configuration request frame to the first target network according to the network address information of the first target network.
In some embodiments, the method comprises: after the intelligent equipment is added into the first network, when the intelligent equipment is determined to be disconnected with the first network, sending network broadcast frames to the WI-SUN network on the peripheral side of the intelligent equipment again; receiving a network response frame sent by a second network, wherein the second network is a WI-SUN network except the first network on the peripheral side of the intelligent equipment which receives the network broadcast frame sent by the intelligent equipment, and the network response frame comprises network address information of the second network; the intelligent equipment sends a configuration request frame to the second network according to the network address information of the second network, so that the second network sends a corresponding network access configuration scheme to the intelligent equipment according to the configuration request; and when the intelligent equipment receives the network access configuration scheme sent by the second network, adding the intelligent equipment to the second network according to the network access configuration scheme.
In some embodiments, the method comprises: if the intelligent equipment receives a plurality of network response frames, and each response frame comprises the distance information from the network to the intelligent equipment, determining a second target network closest to the intelligent equipment in the plurality of networks; and the intelligent equipment sends a configuration request frame to the second target network according to the network address information of the second target network.
In some embodiments, the method comprises: the network characteristic information comprises one or more of a network protocol, a network name and a routing mode.
In some embodiments, the method comprises: if the intelligent equipment receives a plurality of network response frames and each network response frame comprises the network feature information of the network, if the intelligent equipment is configured with a preset network protocol and a preset routing mode, a second target network consistent with the preset network protocol and the preset routing mode is determined, and the intelligent equipment sends a configuration request frame to the second target network according to the network address information of the second target network.
In some embodiments, the apparatus comprises: the network broadcast frame sending module is configured to send a network broadcast frame to the WI-SUN network on the peripheral side of the intelligent device, wherein the network broadcast frame is used for requesting to join the WI-SUN network on the peripheral side of the intelligent device; the network response frame receiving module is configured to receive a network response frame sent by a first network by the intelligent device, wherein the first network is a WI-SUN network on the peripheral side receiving the network broadcast frame, and the network response frame comprises network address information of the first network; the configuration request frame sending module is configured to send a configuration request frame to the first network by the intelligent equipment according to the network address information; and the joining module is used for joining the intelligent equipment to the first network according to the network access configuration scheme when the intelligent equipment receives the network access configuration scheme sent by the first network.
In some embodiments, the smart device comprises: a processor and a memory storing program instructions, the processor being configured to, upon execution of the program instructions, perform the aforementioned network entry method for a smart device.
In some embodiments, a smart device comprises: the network access method for the intelligent device is described.
The method, the device and the intelligent equipment for accessing the network of the intelligent equipment provided by the embodiment of the disclosure can realize the following technical effects:
the intelligent device sends the network broadcast frame to the WI-SUN network on the peripheral side of the intelligent device, so that the WI-SUN network on the peripheral side of the intelligent device can receive intention information requesting network access, and the first network capable of receiving the network play frame sends a network response frame to the intelligent device, so that the intelligent device obtains the first network on the peripheral side capable of receiving the network broadcast frame. The intelligent equipment sends a configuration request to the first network according to network address information carried in a network response frame sent by the first network, and when a configuration scheme sent by the first network is received, the intelligent equipment is added to the first network according to the configuration scheme.
The foregoing general description and the following description are exemplary and explanatory only and are not restrictive of the application.
Detailed Description
So that the manner in which the features and elements of the disclosed embodiments can be understood in detail, a more particular description of the disclosed embodiments, briefly summarized above, may be had by reference to the embodiments, some of which are illustrated in the appended drawings. In the following description of the technology, for purposes of explanation, numerous details are set forth in order to provide a thorough understanding of the disclosed embodiments. However, one or more embodiments may be practiced without these details. In other instances, well-known structures and devices may be shown in simplified form in order to simplify the drawing.
The terms "first," "second," and the like in the description and in the claims, and the above-described drawings of embodiments of the present disclosure, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the present disclosure described herein may be made. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.
The term "plurality" means two or more unless otherwise specified.
In the embodiment of the present disclosure, the character "/" indicates that the preceding and following objects are in an or relationship. For example, A/B represents: a or B.
The term "and/or" is an associative relationship that describes objects, meaning that three relationships may exist. For example, a and/or B, represents: a or B, or A and B.
In practical application, fig. 1 is a schematic diagram of networking an intelligent device provided by an embodiment of the present disclosure, and with reference to fig. 1, the intelligent device may be an intelligent air conditioner 0-3-1-1 configured with a WI-SUN module, the WI-SUN network on the peripheral side may be another intelligent air conditioner configured with a WI-SUN module, the intelligent air conditioner 0-3-1-1 transmits a network broadcast frame to the WI-SUN network within 1km of the peripheral side, the WI-SUN network 0-3-1-1 receiving the network broadcast frame transmits a network response frame to the intelligent air conditioner 0-3-1-1, the intelligent air conditioner 0-3-1-1 transmits a configuration request frame to the first network 0-3-1 according to the network address information of 0-3-1, and receives the first network 0-3-1-1 from the intelligent air conditioner 0-3-1-1 1, adding the intelligent air conditioner 0-3-1-1 to the first network 0-3-1 according to the network access configuration scheme by the intelligent air conditioner 0-3-1-1. When the first network 0-3-1 is damaged, the intelligent air conditioner 0-3-1-1 transmits a network broadcast frame to the WI-SUN network except the first network 0-3-1 within 1km of the peripheral side of the intelligent air conditioner, the WI-SUN network 0-3-2 receiving the network broadcast frame transmits a network response frame to the intelligent air conditioner 0-3-1-1, the smart air conditioner 0-3-1-1 transmits a configuration request frame to the second network 0-3-1 according to the network address information of 0-3-2, and when the intelligent air conditioner 0-3-1-1 receives the network access configuration scheme sent by the first network 0-3-2, and adding the intelligent air conditioner 0-3-1-1 to the second network 0-3-2 according to a network access configuration scheme.
Fig. 2 is a schematic diagram of a method for network access of an intelligent device according to an embodiment of the present disclosure, and with reference to fig. 1, a method for network access of an intelligent device according to an embodiment of the present disclosure includes:
and S21, the intelligent device sends a network broadcast frame to the WI-SUN network on the peripheral side of the intelligent device, and the network broadcast frame is used for requesting to join the WI-SUN network on the peripheral side of the intelligent device.
And S22, the intelligent device receives a network response frame sent by the first network, wherein the first network is the WI-SUN network on the peripheral side receiving the network broadcast frame, and the network response frame comprises the network address information of the first network.
And S23, the intelligent device sends a configuration request frame to the first network according to the network address information, so that the first network sends a corresponding network access configuration scheme to the intelligent device according to the configuration request.
And S24, when the intelligent device receives the network access configuration scheme sent by the first network, adding the intelligent device to the first network according to the network access configuration scheme.
The smart device in the embodiment of the present disclosure may be configured with a smart home device of a WI-SUN module, or the like, or any combination thereof. In some embodiments, the smart home devices may include, for example, air conditioners, refrigerators, televisions, washing machines, and the like, or any combination thereof.
In step 21, the smart device may transmit a network broadcast frame to the WI-SUN network on its peripheral side, where the network broadcast frame is used to request to join the WI-SUN network on the peripheral side of the smart device.
In the scheme, the single-hop transmission distance of the WI-SUN network can reach ten kilometers, and the multi-hop transmission distance can reach dozens of kilometers. Specifically, the smart device may send a network broadcast frame for requesting to join the WI-SUN network around the smart device to the WI-SUN network of the smart device around the smart device, where the WI-SUN network around the smart device is a WI-SUN network with a radius within 1km and the center of a circle of a powered-on module of the smart device. By the scheme, the WI-SUN network on the peripheral side of the intelligent equipment can acquire accurate network broadcast frames.
In step 22, the smart device may receive a network response frame sent by the first network, where the first network is the WI-SUN network on the peripheral side receiving the network broadcast frame, and the network response frame includes the network address information of the first network.
According to the scheme, the intelligent device can determine the first network which can be added on the peripheral side, and receive the network response frame sent by the first network, so that the intelligent device can accurately acquire the network address to be added through the network address information of the network response frame, and the intelligent device can send the configuration request.
In step 23, the intelligent device sends a configuration request frame to the first network according to the network address information, so that the first network sends a corresponding network access configuration scheme to the intelligent device according to the configuration request.
According to the scheme, the network address information of the first network received by the intelligent device, like the configuration request frame sent by the first network, can enable the first network to determine the network access intention of the intelligent device, so that the network access configuration scheme is sent to the intelligent device which intends to join the first network.
In step 24, when the intelligent device receives the network access configuration scheme sent by the first network, the intelligent device is added to the first network according to the network access configuration scheme.
According to the scheme, after the first network receives the network access configuration request of the intelligent device, the network access configuration scheme of the first network is sent to the intelligent device needing to join the first network, and the intelligent device needing to join the first network is joined to the first network according to the network access configuration scheme.
By adopting the network access method for the intelligent equipment provided by the embodiment of the disclosure, the intelligent equipment sends the network broadcast frame to the WI-SUN network on the peripheral side of the intelligent equipment, so that the WI-SUN network on the peripheral side of the equipment can all receive the intention information of requesting network access, and the first network capable of receiving the network play frame sends the network response frame to the intelligent equipment, so that the intelligent equipment can obtain the first network on the peripheral side of the intelligent equipment capable of receiving the network broadcast frame. The intelligent equipment sends a configuration request to the first network according to network address information carried in a network response frame sent by the first network, and when a configuration scheme sent by the first network is received, the intelligent equipment is added to the first network according to the configuration scheme, so that a new network access mode of the intelligent equipment can be provided, the intelligent equipment with the WI-SUN module is added to the WI-SUN network on the peripheral side, mutual communication of the intelligent equipment connected to the WI-SUN network is realized, the communication requirements among the intelligent equipment in a large range are met, individual intelligent equipment can be conveniently accessed to the network on the peripheral side, a network base station does not need to be added, and the network deployment cost is reduced.
Optionally, in order to determine a first target network to which the intelligent device joins after receiving network response frames sent by a plurality of first networks, in this scheme, if the intelligent device receives a plurality of network response frames and each network response frame includes network feature information of the network, if the intelligent device is configured with preset network feature information, a first target network that is the same as the preset network feature information is determined, and the intelligent device sends a configuration request frame to the first target network according to network address information of the first target network.
In the scheme, when the intelligent device receives network response frames of multiple networks, a first target network which is the same as preset network characteristic information can be determined in the multiple networks, and a configuration request frame is sent to the first target network to request a network access configuration scheme of the first target network. Specifically, the network characteristic information may include one or more of a network protocol, a network name, and a routing manner. According to the scheme, the first target network which the intelligent equipment intends to join can be determined in the multiple networks more accurately according to the preset network characteristic information, the personalized network use requirements of the user are met by selecting the first target network with the same network characteristic information, and the satisfaction degree of the user is improved.
Optionally, in order to determine the first target network to which the intelligent device joins after receiving the network response frames sent by the multiple first networks, in the present solution, if the intelligent device receives multiple network response frames and each network response frame includes the signal strength information of the network, the first target network with the strongest signal in the multiple first networks is determined; and the intelligent equipment sends a configuration request frame to the first target network according to the network address information of the first target network.
In the scheme, when the intelligent device receives the network response frames of the multiple networks, a first target network with the strongest signal in the multiple networks is determined, and a configuration request frame is sent to the first target network to request the network access configuration scheme of the first target network. By the scheme, the first target network with the strongest signal, which is intentionally added by the intelligent equipment, can be more accurately determined in the plurality of first networks, the use requirement of the network signal of the user is met by selecting the first target network with the strongest signal, and the satisfaction degree of the user is improved.
Optionally, in order to determine a second network that the smart device can join when the smart device is disconnected from the first network, in this scheme, when the smart device is determined to be disconnected from the first network, the network broadcast frame is sent to the WI-SUN network on the peripheral side of the smart device again; receiving a network response frame sent by a second network, wherein the second network is a WI-SUN network except the first network on the peripheral side of the intelligent equipment which receives the network broadcast frame sent by the intelligent equipment, and the network response frame comprises network address information of the second network; the intelligent equipment sends a configuration request frame to the second network according to the network address information of the second network, so that the second network sends a corresponding network access configuration scheme to the intelligent equipment according to the configuration request; and when the intelligent equipment receives the network access configuration scheme sent by the second network, adding the intelligent equipment to the second network according to the network access configuration scheme.
In the scheme, when the intelligent equipment is disconnected from the first network, the network broadcast frame is sent to the WI-SUN network on the peripheral side of the intelligent equipment again so as to select other WI-SUN networks on the peripheral side of the intelligent equipment. By the scheme, the intelligent device can send the network broadcast frame to other WI-SUN networks on the peripheral side of the intelligent device again to join the second network after the first network is damaged or the intelligent device is disconnected from the first network, so that self-repair of the network is realized. The second network is the other WI-SUN network on the peripheral side of the intelligent equipment except the first network. According to the scheme, the intelligent device can transmit the network broadcast frame to the WI-SUN network on the peripheral side except the first network, the WI-SUN network on the peripheral side of the intelligent device can receive the intention information of requesting to access the network, and the second network capable of receiving the network play frame transmits the network response frame to the intelligent device, so that the intelligent device can acquire the second network on the peripheral side capable of receiving the network broadcast frame. The intelligent equipment sends a configuration request to the second network according to network address information carried in a network response frame sent by the second network, and when receiving a configuration scheme sent by the second network, the intelligent equipment is added to the second network according to the configuration scheme, so that the intelligent equipment with the WI-SUN module is added to the peripheral undamaged WI-SUN network, the intelligent equipment and other intelligent equipment connected to the WI-SUN network are communicated with each other, the technical problem that the intelligent equipment cannot be connected into the network again due to the fact that the network connected with the intelligent equipment breaks down is avoided, and self-repairing of the network is achieved.
Optionally, in order to ensure that the intelligent device joins the second target network closest to the intelligent device after receiving the network response frames sent by the plurality of second networks, in the present solution, if the intelligent device receives the plurality of network response frames and each response frame includes the distance information from the network to the intelligent device, the second target network closest to the intelligent device in the plurality of networks is determined; and the intelligent equipment sends a configuration request frame to the second target network according to the network address information of the second target network.
In the scheme, when the intelligent device is disconnected from the first network and network response frames of a plurality of networks are received, a second target network closest to the intelligent device is determined in the plurality of networks, and a configuration request frame is sent to the second target network to request a network access configuration scheme of the second target network. According to the scheme, the second target network which is the nearest to the intelligent equipment and is to be added by the intelligent equipment can be more accurately determined in the plurality of second networks, the network use requirement of the user for quick network access is met by selecting the second target network which is the nearest, and the satisfaction degree of the user is improved.
Optionally, the network characteristic information includes one or more of a network protocol, a network name, and a routing manner.
In the scheme, the network characteristic information includes a network protocol, a network name and a routing mode. According to the scheme, the selection scheme of the second target network can be configured in a personalized mode according to the personalized requirements of the user through different types of network characteristic information carried in the network response frame, the flexibility of selection of the scheme is improved, and the personalized requirements of the user are met.
Optionally, in order to determine the second target network to which the intelligent device joins again after receiving the network response frames sent by the multiple second networks, in this scheme, if the intelligent device receives the multiple network response frames and each network response frame includes the network feature information of the network, if the intelligent device is configured with a preset network protocol and a preset routing manner, the second target network consistent with the preset network protocol and the preset routing manner is determined; and the intelligent equipment sends a configuration request frame to the second target network according to the network address information of the second target network.
In the scheme, when the intelligent device is disconnected from the first network and network response frames of a plurality of networks are received, a second target network consistent with a preset network protocol and a preset routing mode is determined in the plurality of networks, and a configuration request frame is sent to the second target network to request a network access configuration scheme of the second target network. By the scheme, the second target network which is added by the intelligent equipment with the intention and is consistent with the network protocol and the routing mode of the intelligent equipment can be more accurately determined in the plurality of second networks, the network use requirement of the user for convenient network access is met by selecting the second target network which is consistent with the network protocol and the routing mode, and the satisfaction degree of the user is improved.
Referring to fig. 3, an apparatus for network access of a smart device according to an embodiment of the present disclosure includes a network broadcast frame sending module 21, a network response frame receiving module 22, a configuration request frame sending module 23, and a joining module 24. The network broadcast frame sending module 21 is configured to send a network broadcast frame to the WI-SUN network on the peripheral side of the intelligent device, where the network broadcast frame is used to request to join the WI-SUN network on the peripheral side of the intelligent device; the network response frame receiving module 22 is configured to receive a network response frame sent by a first network, where the first network is a WI-SUN network on the peripheral side receiving the network broadcast frame, and the network response frame includes network address information of the first network; the configuration request frame sending module 23 is configured to send the configuration request frame to the first network by the intelligent device according to the network address information; the joining module 24 is configured to join the smart device to the first network according to the network access configuration scheme when the smart device receives the network access configuration scheme sent by the first network.
By adopting the network access method for the intelligent equipment provided by the embodiment of the disclosure, the intelligent equipment sends the network broadcast frame to the WI-SUN network on the peripheral side of the intelligent equipment, so that the WI-SUN network on the peripheral side of the equipment can all receive the intention information of requesting network access, and the first network capable of receiving the network play frame sends the network response frame to the intelligent equipment, so that the intelligent equipment can obtain the first network on the peripheral side of the intelligent equipment capable of receiving the network broadcast frame. The intelligent equipment sends a configuration request to the first network according to network address information carried in a network response frame sent by the first network, and when a configuration scheme sent by the first network is received, the intelligent equipment is added to the first network according to the configuration scheme, so that a new network access mode of the intelligent equipment can be provided, the intelligent equipment with the WI-SUN module is added to the WI-SUN network on the peripheral side, mutual communication of the intelligent equipment connected to the WI-SUN network is realized, the communication requirements among the intelligent equipment in a large range are met, individual intelligent equipment can be conveniently accessed to the network on the peripheral side, a network base station does not need to be added, and the network deployment cost is reduced.
As shown in fig. 4, an apparatus for network entry of a smart device according to an embodiment of the present disclosure includes a processor (processor)100 and a memory (memory) 101. Optionally, the apparatus may also include a Communication Interface (Communication Interface)102 and a bus 103. The processor 100, the communication interface 102, and the memory 101 may communicate with each other via a bus 103. The communication interface 102 may be used for information transfer. The processor 100 may call the logic instructions in the memory 101 to perform the network entry method for the smart device of the above-described embodiment.
In addition, the logic instructions in the memory 101 may be implemented in the form of software functional units and stored in a computer readable storage medium when the logic instructions are sold or used as independent products.
The memory 101, which is a computer-readable storage medium, may be used for storing software programs, computer-executable programs, such as program instructions/modules corresponding to the methods in the embodiments of the present disclosure. The processor 100 executes the functional application and data processing by executing the program instructions/modules stored in the memory 101, that is, implements the network access method for the smart device in the above embodiments.
The memory 101 may include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function; the storage data area may store data created according to the use of the terminal device, and the like. In addition, the memory 101 may include a high-speed random access memory, and may also include a nonvolatile memory.
The embodiment of the disclosure provides an intelligent device, which comprises the device for the intelligent device to access the network.
The embodiment of the disclosure provides a computer-readable storage medium, which stores computer-executable instructions configured to execute the method for network access of an intelligent device.
The disclosed embodiments provide a computer program product comprising a computer program stored on a computer-readable storage medium, the computer program comprising program instructions that, when executed by a computer, cause the computer to perform the above-described method for smart device networking.
The computer-readable storage medium described above may be a transitory computer-readable storage medium or a non-transitory computer-readable storage medium.
The technical solution of the embodiments of the present disclosure may be embodied in the form of a software product, where the computer software product is stored in a storage medium and includes one or more instructions to enable a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method of the embodiments of the present disclosure. And the aforementioned storage medium may be a non-transitory storage medium comprising: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes, and may also be a transient storage medium.
The above description and drawings sufficiently illustrate embodiments of the disclosure to enable those skilled in the art to practice them. Other embodiments may incorporate structural, logical, electrical, process, and other changes. The examples merely typify possible variations. Individual components and functions are optional unless explicitly required, and the sequence of operations may vary. Portions and features of some embodiments may be included in or substituted for those of others. Furthermore, the words used in the specification are words of description only and are not intended to limit the claims. As used in the description of the embodiments and the claims, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. Similarly, the term "and/or" as used in this application is meant to encompass any and all possible combinations of one or more of the associated listed. Furthermore, the terms "comprises" and/or "comprising," when used in this application, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. Without further limitation, an element defined by the phrase "comprising an …" does not exclude the presence of other like elements in a process, method or apparatus that comprises the element. In this document, each embodiment may be described with emphasis on differences from other embodiments, and the same and similar parts between the respective embodiments may be referred to each other. For methods, products, etc. of the embodiment disclosures, reference may be made to the description of the method section for relevance if it corresponds to the method section of the embodiment disclosure.
Those of skill in the art would appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software may depend upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the disclosed embodiments. It can be clearly understood by the skilled person that, for convenience and brevity of description, the specific working processes of the system, the apparatus and the unit described above may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the embodiments disclosed herein, the disclosed methods, products (including but not limited to devices, apparatuses, etc.) may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units may be merely a logical division, and in actual implementation, there may be another division, for example, multiple units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form. The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to implement the present embodiment. In addition, functional units in the embodiments of the present disclosure may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.
The flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to embodiments of the present disclosure. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). In some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. In the description corresponding to the flowcharts and block diagrams in the figures, operations or steps corresponding to different blocks may also occur in different orders than disclosed in the description, and sometimes there is no specific order between the different operations or steps. For example, two sequential operations or steps may in fact be executed substantially concurrently, or they may sometimes be executed in the reverse order, depending upon the functionality involved. Each block of the block diagrams and/or flowchart illustrations, and combinations of blocks in the block diagrams and/or flowchart illustrations, can be implemented by special purpose hardware-based systems that perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.