CN103379004A - Network communication architecture, network communication system and network communication method - Google Patents
Network communication architecture, network communication system and network communication method Download PDFInfo
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Abstract
The invention provides a network communication architecture, system and method. The network communication architecture comprises a plurality of customer devices, a power line network and a plurality of access points, wherein one access point is connected to an external internet; the access points are all connected to the power line network and thus a first local area network between the access points is formed; each access point forms a sub-local area network between the access point and the customer devices through an annular field pattern antenna; each access point provides a directional field pattern antenna and forms a second local area network between the access points; and each access point, based on network quality of the power line network, selectively transmits information packages to other access points through the first local area network or the second local area network. The network transmission quality of the network communication architecture provided in the invention is highly-stable; and when a specific electronic device consumes a large amount of electric power during operation, obvious signal noise interference cannot be caused on specific power line nodes, so that the probability of decline and interruption of communication quality is reduced.
Description
Technical field
The invention relates to a kind of network communication framework, and particularly relevant for a kind of network communication framework and means of communication of integrating with power line network.
Background technology
Along with developing rapidly of telecommunications science and technology, the digital communication mode of various wired or wireless transmission develops rapidly, the mainstream media that has transmitted as electronic signal uses product of a great variety especially, PC, mobile phone, printer or even digitized household appliances.
Wherein, digitized household appliances recent hot issue especially.In order to realize real digitlization man electric control, household appliances need and can carry out communication with central controller or other electronic installations, to exchange present on off state and running information.
Between general computer apparatus, usually adopt wireless communication protocol (for example Wifi communications protocol) to carry out communication, but for household electrical appliances, the most universal transmission line is undoubtedly power wiring, therefore, the industry product of the various power line networks of active development (power line network) is used, and allows household electrical appliances or other electronic installations can connect easily power line network when connecting with the mains socket.
Yet, under the practical situations, though power line network can spread all over each corner, but its Internet Transmission quality is subject to the various factors impact easily, for example, when a plurality of electronic installations utilize the power line network the transmission of data simultaneously, may cause frequency range deficiency and transmission speed to descend; On the other hand, if consume a large amount of electric power (such as Temperature drop in refrigerator, when electromagnetic oven starts) when specific electronic devices operates, may cause obvious signal noise to disturb at the certain power line node, communication quality be descended even interruption.
Summary of the invention
In order to address the above problem, the present invention proposes a kind of network communication framework and network communication method, under this framework, have a plurality of access points, each access point is integrated the connection of power line network and is provided with simultaneously the first wireless communication module and the second wireless communication module, in part embodiment, the first wireless communication module forms the first area network between access point and access point, and the second wireless communication module forms the second area network between access point and user end apparatus.Access point is the grid network access point (mesh access point) with dynamic routing ability, and access point can be according to the communication quality of power line network, and Dynamic Selection is carried out package transmission between access point by first area network or power line network.
Therefore, an aspect of content of the present invention is to provide a kind of network communication framework to comprise a plurality of user end apparatus, power line network and a plurality of access point.One of them access point is connected to the extranets internet, and described a plurality of access points all are connected in described power line network and use the first area network that forms between access point.Each access point each self-contained the first wireless communication module and second wireless communication module.The first wireless communication module has a ring-like field pattern antenna, described the first wireless communication module be used for and the communication context of described ring-like field pattern antenna in the user end apparatus wireless connections to form the subarea network between access point and user end apparatus.Described the second wireless communication module comprises at least one directing field pattern antenna, described the second wireless communication module be used for and at least one other access point wireless connections to form the second area network between access point.Wherein, each access point optionally is sent to other access points with a message packet by described first area network or described second area network according to a network quality of described power line network.
The embodiment one of according to the present invention, described a plurality of network access points are respectively one to have the grid network access point (mesh access point) of dynamic routing ability and integrates in a power line communication unit of described power line network.
According to one embodiment of the invention, described the first wireless communication module and described the second wireless communication module adopt different frequency range.In this embodiment, the first wireless communication module can adopt the 2.4GHz frequency range, and described the second wireless communication module can adopt the 5GHz frequency range.
The network communication system of another aspect of content of the present invention for being formed by aforementioned a plurality of access points.
An again aspect of content of the present invention is that a kind of network communication method is being provided, be applicable between a plurality of access points, one of them access point is connected to an extranets internet, described a plurality of access point forms a first area network by a power line network, described a plurality of access point to each other wireless connections forms a second area network, each access point forms a subarea network with at least one user end apparatus wireless connections of vicinity, when any access point receives a message packet, described network communication method comprises: whether a destination device of judging described message packet points to described access point itself, if yes, by the described message packet of described access point processes; If the above results is the non-described access point that is oriented to itself, judge that then whether described message packet is from described extranets internet; If the above results is that described message packet is from described extranets internet, judge then whether the described destination device of described message packet points to the interior user end apparatus of described subarea network of described access point, if yes, transmit described message packet to described user end apparatus by described subarea network; And, if the above results is in the non-described subarea network, judge a network quality of described power line network, and optionally described message packet is sent to other access points by described first area network or described second area network according to this.
According to one embodiment of the invention, judge that the step of the described network quality of described power line network comprises: an overall transmission rate that detects described power line network; If described overall transmission rate greater than a reference speed rate, then sees through described first area network with described message packet and is sent to other access points; And, if described overall transmission rate does not reach this reference speed rate, then described message packet is sent to other access points by described second area network.
According to one embodiment of the invention, when described access point received described message packet, described network communication method more comprised: judge whether the described destination device of described message packet points to all user end apparatus of described a plurality of access point or its correspondence; And, if the described destination device of described message packet does not point in described a plurality of access point or the described a plurality of user end apparatus any one, then give up described message packet.
According to one embodiment of the invention, when judging that described message packet is non-during from described extranets internet, described network communication method more comprises: judge that whether described message packet is from described power line network; If described message packet from described power line network, is sent to described extranets internet with described message packet; And, if described message packet is non-during from described power line network, then described message packet is carried out a convey program.
According to one embodiment of the invention, wherein when a message packet is sent in any access point tendency to develop, this network communication method more comprises: judge whether a destination device of described message packet points to the interior user end apparatus of described subarea network of described access point, if yes, transmit described message packet to described user end apparatus by described subarea network; If the above results is in the described subarea network of non-sensing, judge then whether described message packet points to described extranets internet; Point to described extranets internet if the above results is described message packet, judge then whether described access point is connected to described extranets internet, if yes, transmit described message packet to described extranets internet; And, if being described access point, the above results is not connected to described extranets internet, then judge a network quality of described power line network, and optionally described message packet is sent to other access points by described first area network or described second area network according to this.
According to one embodiment of the invention, if in the described subarea network of the non-sensing of described message packet and the described extranets internet of non-sensing, described network communication method comprises by described second area network and transmits described message packet to other access points.
Compared to prior art, the present invention proposes a kind of network communication framework and network communication method, under this framework, have a plurality of access points, each access point is integrated the connection of power line network and is provided with simultaneously the first wireless communication module and the second wireless communication module, in part embodiment, the first wireless communication module forms the first area network between access point and access point, and the second wireless communication module forms the second area network between access point and user end apparatus.Access point is the grid network access point (mesh access point) with dynamic routing ability, and access point can be according to the communication quality of power line network, and Dynamic Selection is carried out package transmission between access point by first area network or power line network.The Internet Transmission quality stability of network communication framework provided by the invention is high, when when specific electronic devices operates, consuming a large amount of electric power, on the certain power line node, can not cause obvious signal noise to disturb yet, reduce the probability of decline and the interruption of communication quality.
Description of drawings
For purpose of the present invention, feature, advantage and embodiment can be become apparent, appended graphic being described as follows:
Fig. 1 is the schematic diagram according to a kind of network communication framework of one embodiment of the invention;
Fig. 2 is the functional block diagram according to access point in one embodiment of the invention;
Fig. 3 A to Fig. 3 D is the various Integration Mode schematic diagrames of the power line communication unit of access point and power line network in the different embodiment according to the subject invention;
Fig. 4 A be among the embodiment of Fig. 1 between the access point based on the schematic diagram of the formed first area of power line network network;
Fig. 4 B is based on the schematic diagram of the formed subarea network of the first wireless communication module between access point and the user end apparatus;
Fig. 4 C is based on the schematic diagram of the formed second area network of the second wireless communication module between access point and the user end apparatus;
Fig. 5 is the flow chart of network communication method when any access point receives message packet in the previous embodiment; And
Fig. 6 is the flow chart of network communication method during any access point tendency to develop carry information package in the previous embodiment.
[main element symbol description]
100: the network communication framework
120,120a, 120b, 120c: access point
122: the first wireless communication modules
122a: wireless telecommunications Transmit-Receive Unit
122b: ring-like field pattern antenna
124: the second wireless communication modules
124a: wireless telecommunications Transmit-Receive Unit
124b, 124c: directing field pattern antenna
140: power line network
142: the power line communication unit
160,162,164,166,168: user end apparatus
LAN1: first area network
LAN2: second area network
LAN3, LAN3a, LAN3b, LAN3c: subarea network
S500～S524, S600～S614: step
Embodiment
Below will and describe in detail disclose spirit of the present invention with diagram, such as the person skilled in the art after understanding embodiments of the invention, when can be by the technology of teachings of the present invention, change and modification, it does not break away from spirit of the present invention and scope.
Seeing also Fig. 1, is the schematic diagram according to a kind of network communication framework 100 in one embodiment of the invention.As shown in Figure 1, comprise a plurality of access points (in this example, being access point 120a, 120b, 120c), power line network 140 and a plurality of user end apparatus (in this example, being user end apparatus 160,162,164,166,168) in the network communication framework 100.In this embodiment, user end apparatus 160,162,164,166,168 can be divided into the electronic products such as PC, PC, printer, refrigerator, TV, but the present invention is not as limit.In the practical application, the user end apparatus in the present embodiment can be power line network 140 in the various connections and/or has the electronic installation of wireless networking function.
At least one is connected to extranets internet 200 in access point 120a, 120b, 120c, in this embodiment, for access point 120a is connected to extranets internet 200, access point 120a can be used as the lock road between interior zone network and the extranets internet 200.
About the inside structure of access point 120a, 120b, 120c, see also Fig. 2 and Fig. 3 A to Fig. 3 D, Fig. 2 is the functional block diagram according to access point in one embodiment of the invention 120.Must explanation be, access point 120 shown in Figure 2 roughly be applicable to Fig. 1 access point 120a, 120b, 120c any.
Fig. 3 A to Fig. 3 D is the various Integration Mode schematic diagrames of access point 120 and the power line communication unit 142 of power line network 140 in the different embodiment according to the subject invention.As shown in Figure 3A, access point 120 can directly be integrated in the power line communication unit 142, and the power line communication unit 142 of having integrated access point 120 functions is connection network internet coder-decoder 202 (for example Asymmetric Digital Subscriber Line coder-decoder ADSL modem) further.Or shown in Fig. 3 B to Fig. 3 D, access point 120 is electrically connected with power line network 140, and directly or indirectly is electrically connected world-wide web coder-decoder 202.
As shown in Figure 2, each access point 120 each self-contained the first wireless communication module 122 and second wireless communication module 124.In this example, the first wireless communication module 122 comprises wireless telecommunications Transmit-Receive Unit 122a and ring-like field pattern antenna 122b, but the present invention is not as limit.In addition, the first wireless communication module 122 can more comprise power amplifier and switch element, is arranged between wireless telecommunications Transmit-Receive Unit 122a and the ring-like field pattern antenna 122b.
The first wireless communication module 122 in order to and the communication context of ring-like field pattern antenna 122b in user end apparatus (160～168) wireless connections to form access point (120a～120c) and the subarea network between user end apparatus (160～168).See also Fig. 4 B, its illustrate access point (120a～120c) and between the user end apparatus (160～168) based on the schematic diagram of the first wireless communication module 122 formed subarea network LAN3.Shown in Fig. 4 B, access point 120a, access point 120b and access point 120c form subarea network LAN3a, LAN3b and LAN3c based on ring-like field pattern antenna 122b separately, be commonly referred to as subarea network LAN3, yet it is independent separately that subarea network LAN3a, LAN3b and LAN3c are essentially.
Wherein, the formed subarea network LAN3a of access point 120a has been contained user end apparatus 160, the formed subarea network LAN3a of access point 120b has been contained user end apparatus 162,164, and the formed subarea network LAN3c of access point 120c has been contained user end apparatus 166,168.
As shown in Figure 2, the second wireless communication module 124 comprises wireless telecommunications Transmit-Receive Unit 124a and at least one directing field pattern antenna (being two directing field pattern antenna 124b, 124c) in this example, the second wireless communication module 124 in order to at least one other access points (for example, position contiguous two access points) wireless connections to form the second area network between access point 120a～120c.See also Fig. 4 C, its illustrate access point (120a～120c) and between the user end apparatus (160～168) based on the schematic diagram of the second wireless communication module 124 formed second area network LAN2.In this embodiment, the first wireless communication module 122 and the second wireless communication module 124 adopt different frequency range.For instance, the first wireless communication module 122 can adopt the 2.4GHz frequency range, and the second wireless communication module 124 can adopt the 5GHz frequency range, can avoid by this subarea network LAN3 and the mutual interference of second area network LAN2 phase, and make both all have wider network bandwidth and transmission rate.
In above-described embodiment, network communication framework 100 comprises three groups of access points 120 (120a, 120b or 120c), but the present invention is as limit, and in the practical application, network communication framework 100 can comprise two groups, three groups or more groups of access points 120 all can reach same effect.
In addition, the network communication system of another category of content of the present invention for being formed by a plurality of access points 120 in the previous embodiment.
What must further specify is that each access point 120 (120a, 120b or 120c) can according to the network quality of power line network 140, optionally be sent to other access points with message packet by first area network LAN1 or second area network LAN2.Receive and transmission method about the package between the above-mentioned access point 120, the present invention further provides a kind of network communication method, this network communication method can cooperate the network communication framework 100 in above-described embodiment to use, and details are as follows for this network communication method.
See also Fig. 5 and Fig. 6, Fig. 5 illustrates the flow chart of network communication method when any access point 120 (120a, 120b or 120c) receives message packet in the previous embodiment; The flow chart of network communication method when Fig. 6 illustrates any access point 120 (120a, 120b or 120c) tendency to develop carry information package in the previous embodiment.
Message packet as shown in Figure 5 receives in the flow process, after any access point 120 receives message packet, execution in step S500 at first, whether a destination device of judging this message packet points to this access point itself, if yes, and execution in step S502 then, by access point 120 process information packages own, for example, reading information package content is also carried out related setting or operation, such as the setting in the new access point more 120 or the network site table of comparisons etc.
If step S500 result is the non-access point 120 that is oriented to itself, then execution in step S504 judges that whether message packet is from extranets internet 200.
When step S504 judges that this message packet is non-during from extranets internet 200, execution in step S506 judges that whether this message packet is from power line network 140.If step S506 judges that message packet is from power line network 140, execution in step S508 is sent to extranets internet 200 with this message packet, and is on the other hand, non-during from power line network 140 if step S506 judges message packet, then message packet is carried out convey program, i.e. step S510.Wherein, about the detail content of convey program step S510, can in subsequent paragraph and Fig. 6, transmit and obtain in the flow process of message packet describing in detail.
If step S504 result is that message packet is from extranets internet 200, execution in step S512 then, whether the destination device of judging message packet points in all access points (120a, 120b, 120c) corresponding all user end apparatus (160～168) any one, or any one access point (120a, 120b, 120c) itself.If step S512 judges the destination device of message packet and does not point in a plurality of user end apparatus 160～168 any one, and do not point to any one access point 120a～120b, represent this message packet may for irrelevant rubbish package or the malice package of network communication framework 100, then execution in step S514 gives up this message packet.
Step S512 judges that it (is arbitrary user end apparatus 160～168 or arbitrary access point 120a～120c) that the destination device of message packet points in the scope of network communication framework 100 internal networks, then execution in step S516 judges whether the destination device of message packet points to the interior user end apparatus of this access point 120 its subarea network LAN3.Please in the lump with reference to figure 4B, for example, with access point 120a, judge then whether the destination device of message packet points to the interior user end apparatus 160 of its subarea network of access point 120a LAN3a; With access point 120b, judge then whether the destination device of message packet points to the interior user end apparatus 162,164 of its subarea network of access point 120b LAN3b, by that analogy.
That then execution in step S518 transmits message packet to user end apparatus by this subarea network LAN3 if step S516 is judged as.
If step S516 judged result is in the non-subarea network, then further execution in step S520 is to step S524, and then the network quality of judgement power line network 140, and optionally this message packet is sent to other access points by first area network LAN1 or second area network LAN2 according to this.
In this embodiment, step S520 can detect the overall transmission rate of power line network 140, and whether the overall transmission rate of judging power line network 140 (first area network LAN1) greater than reference speed rate, and for example whether judgment standard can be frequency range greater than 5MB/sec.
If the overall transmission rate of power line network 140 is greater than this reference speed rate, then execution in step S522 is sent to other access points with this message packet by this first area network LAN1.Otherwise if this overall transmission rate does not reach this reference speed rate, then execution in step S524 is sent to other access points with message packet by this second area network LAN2.
Then please in the lump referring to Fig. 6, it illustrates the flow content that the convey program among any access point 120 (120a, 120b or 120c) tendency to develop carry information package or the abovementioned steps S510 adopts.
As shown in the figure, when producing the message packet that tendency to develop send on any access point 120, network communication method execution in step S600 judges whether the destination device of message packet points to the interior user end apparatus of subarea network LAN3 of access point 120.That then execution in step S602 sees through subarea network LAN3 and transmits message packet to user end apparatus if step S600 is judged as.
If step S600 judged result is in the non-sensing subarea network, then execution in step S604 judges whether this message packet points to this extranets internet 200.
If step S604 result is this extranets internet 200 of the non-sensing of message packet, then execution in step S606 transmits message packet to other access points by second area network LAN2.
Point to extranets internet 200 if step S604 result is message packet, then execution in step S608 judges whether present access point is connected to extranets internet 200.
That then execution in step S610 transmits message packet to extranets internet 200 if step S608 is judged as.On the other hand, if a step S608 judged result for this reason access point 120 itself is not connected to extranets internet 200, then execution in step S612 judge power line network 140 overall transmission rate whether greater than reference speed rate (or judge power line network 140 network quality), and optionally this message packet is sent to other access points by this first area network or this second area network according to this.
If the overall transmission rate of power line network 140 is greater than reference speed rate, then execution in step S614 is sent to other access points with message packet by first area network LAN1.Otherwise if overall transmission rate does not reach reference speed rate, then execution in step S606 sees through second area network LAN2 with message packet and is sent to other access points.
Compared to prior art, the present invention proposes a kind of network communication framework and network communication method, under this framework, have a plurality of access points, each access point is integrated the connection of power line network and is provided with simultaneously the first wireless communication module and the second wireless communication module, in part embodiment, the first wireless communication module forms the first area network between access point and access point, and the second wireless communication module forms the second area network between access point and user end apparatus.Access point is the grid network access point (mesh access point) with dynamic routing ability, and access point can be according to the communication quality of power line network, and Dynamic Selection is carried out package transmission between access point by first area network or power line network.
Although the present invention discloses as above with several embodiment; right its be not to limit the present invention, anyly have the knack of this skill person, without departing from the spirit and scope of the present invention; when can being used for a variety of modifications and variations, so protection scope of the present invention is as the criterion when looking the claim person of defining.
Claims (10)
1. a network communication framework is characterized in that, comprises:
A plurality of user end apparatus;
One power line network; And
A plurality of access points, one of them access point are connected to an extranets internet, and described a plurality of access points all are connected in described power line network and use a first area network that forms between access point, and each is self-contained for each access point:
One first wireless communication module, described the first wireless communication module has a ring-like field pattern antenna, described the first wireless communication module be used for and the communication context of described ring-like field pattern antenna in the user end apparatus wireless connections to form the subarea network between access point and user end apparatus; And
One second wireless communication module, described the second wireless communication module comprise at least one directing field pattern antenna, described the second wireless communication module be used for and at least one other access point wireless connections to form the second area network between access point;
Wherein, each access point optionally is sent to other access points with a message packet by described first area network or described second area network according to a network quality of described power line network.
2. network communication framework as claimed in claim 1, it is characterized in that described a plurality of network access points are respectively one to have the grid network access point (mesh access point) of dynamic routing ability and integrate with a power line communication unit of described power line network.
3. network communication framework as claimed in claim 1 is characterized in that, described the first wireless communication module and described the second wireless communication module adopt different frequency range.
4. a network communication system is applicable to it is characterized in that in the network communication framework that described network communication framework comprises a plurality of user end apparatus and power line network access point, and described network communication system comprises:
A plurality of access points, one of them access point are connected to an extranets internet, and described a plurality of access points all are connected in described power line network and use a first area network that forms between access point, and each is self-contained for each access point:
One first wireless communication module, described the first wireless communication module has a ring-like field pattern antenna, described the first wireless communication module be used for and the communication context of described ring-like field pattern antenna in the user end apparatus wireless connections to form the subarea network between access point and user end apparatus; And
One second wireless communication module, described the second wireless communication module comprise at least one directing field pattern antenna, described the second wireless communication module be used for and at least one other access point wireless connections to form the second area network between access point;
Wherein, each access point optionally is sent to other access points with a message packet by described first area network or described second area network according to a network quality of described power line network.
5. network communication method, be applicable between a plurality of access points, it is characterized in that, one of them access point is connected to an extranets internet, described a plurality of access point forms a first area network by a power line network, described a plurality of access point to each other wireless connections forms a second area network, each access point forms a subarea network with at least one user end apparatus wireless connections of vicinity, when any access point received a message packet, described network communication method comprised:
Whether a destination device of judging described message packet points to described access point itself, if yes, and by the described message packet of described access point processes;
If the above results is the described access point of non-sensing itself, judge that then whether described message packet is from described extranets internet;
If the above results is that described message packet is from described extranets internet, judge then whether the described destination device of described message packet points to the interior user end apparatus of described subarea network of described access point, if yes, transmit described message packet to this user end apparatus by described subarea network; And
If the above results is in the non-described subarea network, judges a network quality of described power line network, and optionally described message packet is sent to other access points by described first area network or described second area network according to this.
6. network communication method as claimed in claim 5 is characterized in that, judges that the step of the described network quality of described power line network comprises:
Detect an overall transmission rate of described power line network;
If described overall transmission rate greater than a reference speed rate, then is sent to other access points with described message packet by described first area network; And
If described overall transmission rate does not reach described reference speed rate, then described message packet is sent to other access points by described second area network.
7. network communication method as claimed in claim 5 is characterized in that, when described access point received described message packet, described network communication method more comprised:
Whether the described destination device of judging described message packet points to described a plurality of access point or its corresponding all user end apparatus; And
If the described destination device of described message packet does not point in described a plurality of access point or the described a plurality of user end apparatus any one, then give up described message packet.
8. network communication method as claimed in claim 5 is characterized in that, when judging that described message packet is non-during from described extranets internet, described network communication method more comprises:
Judge that whether described message packet is from described power line network;
If described message packet from described power line network, is sent to described extranets internet with described message packet; And
If described message packet is non-during from described power line network, then described message packet is carried out a convey program.
9. network communication method as claimed in claim 5 is characterized in that, when an information package was sent in any access point tendency to develop, described network communication method more comprised:
Judge that whether a destination device of described message packet points to the interior user end apparatus of described subarea network of described access point, if yes, transmits described message packet to described user end apparatus by described subarea network;
If the above results is in the described subarea network of non-sensing, judge then whether described message packet points to described extranets internet;
Point to described extranets internet if the above results is described message packet, judge then whether described access point is connected to described extranets internet, if yes, transmit described message packet to described extranets internet; And
If being described access point, the above results is not connected to described extranets internet, then judge a network quality of described power line network, and optionally described message packet is sent to other access points by described first area network or described second area network according to this.
10. network communication method as claimed in claim 9, it is characterized in that, if in the described subarea network of the non-sensing of described message packet and the described extranets internet of non-sensing, described network communication method comprises by described second area network and transmits described message packet to other access points.
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