CN103458466B - Flow control device, flow control method, network flow management system, and network flow management method - Google Patents

Abstract

The invention provides a flow control device, a flow control method, a network flow management system and a network flow management method in order to effectively reduce user blocking rate and improve utilization of each network in a heterogeneous network. The flow control device comprises a receiving unit, a judging unit and a distributing unit, wherein the receiving unit receives network status information and network congestion information, the network status information comprises multiple network types between a base station and terminals and a service type requested by a user, the network congestion information shows whether the base station and the terminals congest or not, the judging unit judges whether the service type requested by the user is suitable for other network transmission in user's area or not under the condition that the network congestion information shows current network congestion of the service requested by the user, and from the other networks which are judged out by the judging unit and suitable for transmission, the distributing unit selects a certain network as an alternative target network to replace the current network.

Description

Volume control device and method and network flow managing system and method

Technical field

The present invention relates to provide the apparatus and method of service in mobile communications.More particularly to carried out using heterogeneous network Volume control device flow being controlled during communications and method and network flow managing system and method.

Background technology

In recent years, with the fast development of information technology and intelligent terminal, various application substantial increases so that in communication network The data volume sharp increase transmitted in network, the continuous upgrade of network of each operator is supporting high speed data transfer.Wherein, data are solved The critical path that transmission quantity increases is still how to better profit from conventional network resources, improves network transmission efficiency.By network Flow and Research of Congestion Control Techniques optimization Internet resources distribution are one of of paramount importance means.

One kind congestion control from from the point of view of business is disclosed in patent documentation 1 (Ben Te Open 2004-15761) Method, will business be divided in real time and non-real-time service, when congestion occurs, by more bandwidth allocations to real time business. When bandwidth can not still meet, real time business stream is carried out transcoding to reduce code check.Only rough two big class of consideration of this method Business is not embodied by business, and more business is not connected with network characteristic, in addition, also do not account for network opening up Impact of the structure to congestion is flutterred, therefore, the mitigation to congestion is limited.

A kind of network system is disclosed in patent documentation 2 (Ben Te Open 2007-336326), is introduced within the system Two threshold values, represent severe congestion and severe congestion respectively.When a cell is severe congestion, system does not allow to be not belonging to this The user of cell switches to the cell, and when a cell is severe congestion, system can belong to a part of user of the cell Switch to other cells.However, this method only considered user to be switched to alleviate using homogeneous network between neighbor cell The situation of congestion, that is to say, that in patent documentation 2, do not account for the traffic performance of user's request, regardless of type of service Identical process is carried out all, even if switching cell cannot also solve congestion problems sometimes.Also, due to the difference in homogeneous network Cell is switched over, if all cells of the homogeneous network are all in congestion state, even if switching is also unable to reach realization The purpose of communication.

The content of the invention

The present invention is exactly to complete in view of the above problems, its object is to offer one kind and can effectively reduce user's blocking rate And improve the volume control device of the utilization rate of each network in heterogeneous network, flow control methods, network flow managing system, with And network flux management method.

The inventive concept of the present invention is, as the progress of wireless access technology and the success of various wireless networks are opened up Flutter, next generation network just develops into fusion plurality of access modes the heterogeneous wireless network deposited, so as to realize user's not timesharing Between, place, the comprehensive access service of mode.In addition, in the same area, especially Communication Highlights area, in heterogeneous network Heterogeneous networks Jing often repeats each other to cover, and in a certain network in this area already at overload status, but identical may cover Another network of cover area is also in few load condition.Therefore, a certain user's request in single homogeneous network because of covering Cover the cell in the region to be rejected in overload condition, but the user's request completely can be by covering in heterogeneous network environment Receive in another network of same area.And, heterogeneous networks possess different characteristics, such as bandwidth, capacity, time delay etc. so as to Disposal ability to different business and the Consumer's Experience for bringing are also different, and heterogeneous network of future generation should consider the spy of different business Property, transmit more neatly to provide business using heterogeneous networks.

In order to realize that foregoing invention is conceived, the present invention is a kind of volume control device, including：Receiving unit, receives network Status information and network congestion information, above-mentioned network state information include multiple network types and user between base station and terminal The type of service of request, above-mentioned network congestion information represent network between base station and terminal whether congestion；Judging unit, upper In the case of stating the current network congestion that network congestion information represents user's request business, judge that the type of service of user's request is Other networks of no suitable user region are transmitted；And allocation unit, judge to be adapted to transmission from judging unit The replacement objective network of certain network instead current network is selected in other networks.

According to the present invention, traditional single homogeneous network is different from by the heterogeneous network that various heterogeneous networks are constituted, is passed through Rationally using the resource in heterogeneous network environment making heterogeneous networks cooperate jointly, Comprehensive Control, thus with reference to heterogeneous networks and The characteristic of miscellaneous service carries out flow, congestion control to realize business transmission optimization.

Additionally, the volume control device of the present invention can also be, also including comparing unit, above-mentioned comparing unit is sentenced to above-mentioned Disconnected unit judges are gone out the Congestion Level SPCC of other networks for being adapted to transmit and are compared with the Congestion Level SPCC of current network, described suitable When the Congestion Level SPCC of other networks of conjunction transmission is not less than the Congestion Level SPCC of current network, above-mentioned allocation unit is not substituted The selection of objective network.

Additionally, the volume control device of the present invention can also be, above-mentioned network type includes global system for mobile communications GSM, 3-G (Generation Three mobile communication system) 3G, Long Term Evolution LTE.

Additionally, the volume control device of the present invention can also be, above-mentioned judging unit is by comparing the business of user's request Type table corresponding with business set in advance and network, judges whether to be adapted to other nets of transmission user's request business Network.

Additionally, the volume control device of the present invention can also be, above-mentioned judging unit is by comparing the business of user's request Type table corresponding with business set in advance and network, judges whether to be adapted to other nets of transmission user's request business Network, when above-mentioned judging unit judges that other networks for being adapted to transmission have multiple, above-mentioned allocation unit is according to network state The current state of the plurality of other networks shown by information, selects certain network mesh as an alternative from the plurality of other networks Mark network.

Additionally, the volume control device of the present invention can also be, other of suitable transmission are judged in above-mentioned judging unit When network has multiple, the current state of the plurality of other networks of the above-mentioned allocation unit according to shown by network state information, Certain network objective network as an alternative is selected from the plurality of other networks.

Additionally, the volume control device of the present invention can also be, above-mentioned allocation unit selects the maximum network conduct of bandwidth Substitute objective network.

Additionally, the volume control device of the present invention can also be, above-mentioned allocation unit selects the minimum network conduct of load Substitute objective network.

Additionally, the volume control device of the present invention can also be, above-mentioned allocation unit selects user present position most strong Network objective network as an alternative.

Additionally, the volume control device of the present invention can also be, above-mentioned allocation unit selects the network bandwidth and user's request The immediate network of type of service desire bandwidth objective network as an alternative.

Additionally, the volume control device of the present invention can also be, also including edge identifying unit, identifying unit is sentenced at the edge Judge whether user is located at the edge in the region controlled by this volume control device, be only judged as in above-mentioned edge identifying unit When user is not located at the edge in the region controlled by this volume control device, judging unit is just made whether to exist and is adapted to transmission The judgement of other networks.

Another embodiment of the present invention is a kind of flow control methods, including：Receiving step, receives network state information And network congestion information, above-mentioned network state information includes the industry of multiple network types and user's request between base station and terminal Service type, above-mentioned network congestion information represent network between base station and terminal whether congestion；Judge step, gather around in above-mentioned network In the case that plug information represents the current network congestion of user's request business, judge the type of service of user's request if appropriate for Other networks of family region are transmitted；And allocation step, judge to be adapted to other networks of transmission from judging unit The middle replacement objective network for selecting certain network instead current network.

Additionally, another embodiment of the present invention is a kind of network flow managing system, lead in there are at least more than 2 Under the network environment of letter mode, including：Access point, the business of receive user request；

Local resource watch-dog, judgement receive the network of the access point of user's request whether congestion；And public resource Allotter, in the case where above-mentioned local resource watch-dog judges congestion, judge the type of service of user's request if appropriate for Other networks of user region are transmitted, and above-mentioned public resource allotter is from other networks for judging suitable transmission The replacement objective network of certain network instead current network is selected, is made above-mentioned access point be transferred to user's request business and is replaced For the access point of objective network.

Additionally, the network flow managing system of the present invention can also be, and also including central traffic manager, above-mentioned public money Source allotter also judges whether the user of requested service is located at the edge in the region controlled by this public resource allotter, is judging In the case of the edge in the region that this public resource allotter is controlled is located at by user, carried out by above-mentioned central traffic manager Public resource distributes, and above-mentioned central traffic manager selects certain network as generation from other networks for judging suitable transmission For the replacement objective network of current network, make above-mentioned access point that user's request business to be transferred to the access for substituting objective network Point.

Additionally, the network flow managing system of the present invention can also be, do not judge in above-mentioned public resource allotter In the case of being adapted to other networks of transmission, the business for making above-mentioned access point refuse user's request.

Additionally, the network flow managing system of the present invention can also be, above-mentioned local resource watch-dog is calculated and receives use The flow information of the access point place network cell of family requested service, is more than predetermined congestion threshold in the flow shown in flow information During value, it is judged as congestion.

Additionally, another embodiment of the present invention is the network flow management side in a kind of network flow managing system Method, above-mentioned network flow managing system is in be present under at least network environment of more than 2 communication modes, above-mentioned network flow buret Reason method includes：The step of business of access point receive user request；Local resource watch-dog judges to receive user's request The network of access point whether congestion the step of；In the case where above-mentioned local resource watch-dog judges congestion, public resource point Orchestration judges the step of type of service of user's request is transmitted if appropriate for other networks of user region, Yi Jishang Instead current network is replaced from judging to be adapted to certain network is selected in other networks of transmission to state public resource allotter For objective network, make above-mentioned access point that user's request business is transferred to the step of substituting the access point of objective network.

Invention effect：

According to the present invention it is possible to according to current heterogeneous network congestion situation, each cell load, each network characteristic and ask The traffic performance asked carries out judging, resource allocation and traffic scheduling, to select for supporting that the heterogeneous network of the business is used Family request is responded, and making user be switched to other more appropriate networks carries out the communication in business.Relative to traditional homogenous networks Network flow managing method, the present invention can effectively reduce user's blocking rate, improve Consumer's Experience.In addition, passing through business heterogeneous network Between network, the method for flow equalization can greatly improve the utilization rate of each network in heterogeneous network.

Description of the drawings

Fig. 1 is the system of the network flow managing system of the single Region control for representing that the first embodiment of the present invention is related to Structure chart.

Fig. 2 is the frame diagram of the public resource allotter for representing that the first embodiment in the present invention is related to.

Fig. 3 is the frame diagram for representing the local resource watch-dog in the present invention.

Fig. 4 is the frame diagram for representing the access point in the present invention.

Fig. 5 is the accompanying drawing of that represents network attribute record tableau format in the present invention.

Fig. 6 is the accompanying drawing of that represents service attribute record tableau format in the present invention.

Fig. 7 is the accompanying drawing of that represents network state and location records tableau format in the present invention.

Fig. 8 is the accompanying drawing of of the message format of the flow-control instruction for representing that public resource allotter sends.

Fig. 9 is the Internet resources and the form of flow information report message for representing the local resource watch-dog in the present invention The accompanying drawing of one.

Figure 10 be represent the generation congestion in the present invention after local resource watch-dog to gathering around that public resource allotter sends The accompanying drawing of of the message format of plug business report message.

Figure 11 is the accompanying drawing of of the message format of the flow-control instruction for representing that local resource watch-dog sends.

Figure 12 is the signaling process figure during the heterogeneous network traffic management in the present invention.

Figure 13 is the flow chart of decision-making treatment when illustrating congestion generation in region performed by CRA.

Figure 14 is the accompanying drawing of the example of the network class for illustrating different business and being adapted to its transmission.

Figure 15 be illustrate current network, transfer after network and transferable business list example accompanying drawing.

Figure 16 be illustrate 3G network from user to congestion request VOD business and user be located at region in when network flow buret The flow chart of the processing procedure of reason system.

Figure 17 is that the network flow managing system of the multi-area control for representing that second embodiment of the present invention is related to is System structure chart.

Figure 18 is the frame diagram of the public resource allotter for representing that the second embodiment in the present invention is related to.

Figure 19 is the frame diagram for representing the central traffic manager in the present invention.

Figure 20 is the one of the network state and location records tableau format that illustrate the central traffic manager in the present invention The accompanying drawing of example.

Figure 21 is the one of the form of the resource and flow information report message that represent the public resource allotter in the present invention The accompanying drawing of example.

Figure 22 be represent edges of regions occur congestion after management of public resources device report user's request message format one The accompanying drawing of example.

Figure 23 is the accompanying drawing of of the message format of the flow-control instruction for representing central traffic manager.

Figure 24 is to illustrate the heterogeneous network flowtube sent for the service request of edges of regions user in the present invention Reason signaling process figure.

Figure 25 be illustrate congestion occur and user be located at edges of regions when the present invention in CTM decision-makings flow chart.

Figure 26 illustrate 3G network requested webpage browse service from user to congestion and user be located at edges of regions when system Processing procedure.

Specific embodiment

The preferred embodiment of the present invention is illustrated below in conjunction with the accompanying drawings.

In the following description, three kinds of cellular networks the most universal are listed：Global system for mobile communications (Global System for Mobile communication：GSM), 3-G (Generation Three mobile communication system) (the 3rd Generation： 3G), Long Term Evolution (Long Term Evolution：LTE) as composition heterogeneous network basic network come carry out the present invention Illustrate, but the network consisting of the heterogeneous network being related in the present invention is not limited to these three networks, also extend to appoint The heterogeneous network environment of meaning network composition, such as Macro, Micro, Pico, Femto, WiMax, WIFI etc..

In addition, some parameters of associated cell network and business are listed in following explanation, and combine some phases assumed Pass information provides corresponding result, but other scenes or some other reference information and parameter are also of course applied for this Invention.

Additionally, illustrating a kind of half in a particular embodiment of the present invention concentrates semi system architecture, model will be covered Enclose multiple regions are divided into realize higher safety and the control of effective signaling, but regional covering in this framework Scope and each network cell quantity for covering and distribution can be extended according to corresponding setting, i.e. the limit of this framework is complete Concentrate or all distributed structure.

It is further to note that how being elaborated in isomery in the specific embodiment of invention described below emphatically Flow-control is carried out between network, it is distinctly understood that the flow control technique in the present invention is applied equally to switch between homogeneous network.

Additionally, in terms of type of service, in the specific embodiment of the present invention, some typical business are illustrated, however, In the specific implementation, the technical scheme in the present invention is clearly applicable for all types of service.

(first embodiment)

Fig. 1 is the system of the network flow managing system of the single Region control for representing that the first embodiment of the present invention is related to Structure chart.

Network flow managing system according to the present invention is a kind of synthesis for being covered " region " to certain by multiple network The system that flow is managed.

Wherein, as shown in figure 1, the heterogeneous network of 3 cellular network compositions is illustrated in the region for being managed, i.e. GSM, 3G、LTE。

The network flow managing system as shown in figure 1, including：The resource of each network in the region that managed is carried out Public resource allotter (the Common Resource Allocator of management and running：CRA) 201, according to each network to local Local resource watch-dog (the Local Resource Monitor that resource is monitored：LRM) 202,203,204, and each The access point of network is (i.e.：Base station) AP205,206,207.

Wherein, public resource allotter 201 is responsible for the distribution of the Internet resources between each variety classes in region within the jurisdiction, With updating network state and report, congestion report, flow-control decision-making, receive and inform the functions such as decision-making.

Local resource watch-dog LRM 202,203,204 be divided into by heterogeneous networks the LRM 202,3G of GSM LRM 203, And the LRM 204 of LTE, the parameter monitoring of each automatic network is each responsible for, is calculated, gathered around with local network resources and load condition Plug is reported, receives and inform the functions such as decision-making.

Access point AP 205,206,207 is divided into the AP 206 and the AP of LTE of the AP 205,3G of GSM by heterogeneous networks 207.Each access point AP 205,206,207 is communicated with the user terminal for being connected network by this access point, receive user Request response request.

As shown in Figure 1, covering is overlapped with the heterogeneous networks that access point AP is constituted by local resource watch-dog LRM identical Region, but respective cell may not overlap.

The following detailed description of the concrete composition of each ingredient in network flow managing system.

Fig. 2 is the frame diagram for representing the public resource allotter 201 in the present invention.As shown in Fig. 2 public resource allotter 201 include：Resource allocation process unit 301, memory element 302 and NIU 303.

Wherein, NIU 303 is connected with the network interface of each local resource watch-dog 202-204, or with it is rear The network interface connection of the central traffic manager 101 stated such that it is able to supervise from central traffic manager 101 and each local resource Control device 202-204 obtains the information relevant with each network condition covered on the region for being managed.

The network attribute that is stored with memory element 302 log 312, service attribute log 313, and network state and Location records table 314.

Specifically, Fig. 5 is the accompanying drawing of the form for representing network attribute log 312.In 312 pin of network attribute log Each network has been recorded respectively：Network type 701, represents the type of recorded network；Bandwidth 702, represents the network The bandwidth of type；Postpone 703, represent the delay of the network type；Packet loss 704, represents the packet loss of the network type；And Other attributes 705.Wherein, other attributes 705 can represent the particular/special requirement of the network, and what business the such as Network Dept. can transmit Deng it is of course also possible to omit other attributes 705.

Fig. 6 is the accompanying drawing of the form for representing service attribute log 313.For each in service attribute log 313 The business of kind has been recorded respectively：Business numbering 801, uniquely determines representative type of service；Demand bandwidth 802, represents that transmission should The required bandwidth of business；Allow to postpone 803, represent and transmit the delay allowed during the business；Packet loss 804 is allowed, is represented and is passed The packet loss allowed during the defeated business；Service priority 805, represent priority of the business in all business and other Attribute 806.Wherein, other attributes 806 can represent the particular/special requirement of the business, and the such as business can not be in a certain network transmission Deng.It is of course also possible to omit other attributes 806.

Fig. 7 is the accompanying drawing of the form for representing network state and location records table 314.In network state and location records table In the region managed for this public resource allotter 201 in 314, the local resource watch-dog 202-204 of various networks is connected The each Network records for connecing have：LRM numberings 901, represent the numbering of the local resource watch-dog (LRM) of map network；Belonging network 902, represent the belonging network type of the access point that the local resource watch-dog (LRM) represented by LRM numberings 901 connects；LRM positions Confidence breath 903, represents the position letter of the access point (base station) that the local resource watch-dog (LRM) represented by LRM numberings 901 connects Breath 903；And congestion state 904, represent the access point that the local resource watch-dog (LRM) represented by LRM numberings 901 connects The congestion state 904 of (base station).

The various information forms stored in being explained above the public resource allotter 201 that first embodiment is related to it is detailed Details condition.The concrete form of these forms is only one, as long as the network for judging can be provided to public resource allotter 201 Information, then the form of form can be any.

Additionally, the resource allocation process unit 301 in public resource allotter 201 is a series of process instruction, utilize The hardware device CPU (central processing unit) illustrated in Fig. 2 obtains the network information from memory element 302 or NIU 303 To carry out the control of floating resources.Specifically, resource allocation process unit 301 includes multiple processing modules, is respectively：Network State updates and reporting modules 304, and the network state reporting modules for being responsible for receiving from local resource watch-dog 202-204 are sent Internet resources and traffic report message, and store in utilizing the Internet resources and traffic report information updating memory element 302 Network state and location records table；Congested traffic reporting modules 305 are received and sent, is responsible for receiving from local resource watch-dog The congested traffic report message that congested traffic reporting modules in 202-204 are sent；Decision package 306, is responsible for needing to carry out Decision-making is carried out according to network and service attribute and state during flow-control.

The decision package 306 is specifically included：Congested traffic is judged if appropriate for other network transmission modules 308, in user Send service request network be in congestion state when, be responsible for according in congested traffic report message requested service number 1306, network attribute log 312 and service attribute log 313 are compared, judge whether the business of the request fits Close other network transmissions outside this congested network；Determine whether the unsaturation alternative network module 309 of same area, be responsible for root According to the LRM numberings and network state and the LRM positional informationes 903 in location records table 314 that include in congested traffic report message And congestion state 904 come determine whether cover same area unsaturation alternative network；And judge to be adapted to the business transmission Mixed-media network modules mixed-media 310, the unsaturation for being responsible for from the unsaturation alternative network module 309 for determining whether same area being judged are alternative In network, final choice is adapted to the transmission network and access point of the business transmission, instead the replacement target network of current network Network.

Here, 309 the judged unsaturation alternative network of unsaturation alternative network module for determining whether same area can Can have multiple, in this case, judge to be adapted to the mixed-media network modules mixed-media 310 of business transmission according to storing in memory element 302 Every terms of information, can have various ways to determine and substitute objective network, for example, can select the maximum network of bandwidth in alternative network Objective network as an alternative, it is also possible to the network of minimum objective network as an alternative is loaded in selecting alternative network, it is also possible to select Select in alternative network the most strong network in user present position objective network as an alternative, it is also possible to select Netowrk tape in alternative network The wide immediate network of type of service desire bandwidth with user's request objective network as an alternative.That is, can basis Need arbitrarily to select, as long as can determine replacement objective network.

Additionally, resource allocation process unit 301 also has and receives and informs decision-making module 311, the reception and decision-making is informed Module 311 is responsible for reception, and to local resource watch-dog 202-204 transmissions decision information, (public resource allotter flow-control refers to Make).

Fig. 8 is the accompanying drawing of the message format of the flow-control instruction for representing that public resource allotter sends.Flow-control refers to Order is by the reception in the resource allocation process unit 301 in public resource allotter 201 and informs that decision-making module 311 sends, main From public resource allotter 201 to local resource watch-dog 202-204 when being used for that user's request to be rejected after congestion occurs Send the command information of correlative flow control decision.As shown in figure 8, flow-control instruction includes：Source address 1501, represents instruction The address of transmission source；Destination address 1502, represents the address of instruction sending destination；Congestion LRM belonging network 1503, expression is gathered around Network type belonging to plug access point；LRM belonging networks 1504 after transfer, represent belonging to the access point after current network is switched Network type；Congestion LRM numbering 1505, represents the LRM numberings 5 connected by current congestion access point；LRM numberings after transfer 1506, represent the LRM numberings connected by the access point after switching；Transfer service terminal number 1507, expression sends the user please Seek the terminal number 1507 of business；And transfer service numbering 1508, represent the business numbering 1508 of the user's request.

Wherein, if after LRM belonging networks 1504 and transfer, the two item values of LRM numberings 1506 are 0 after transfer, say Clear and decided plan is refusal active user's request, that is, do not have other suitable networks transmit active user's request.

The composition of public resource allotter 201 has been described in detail above.Wherein, resource allocation process unit 301 equivalent to " volume control device " of the present invention, updating network state and reporting modules 304 and reception and transmission congested traffic reporting modules 305 equivalent to " receiving unit " of the invention, judges congested traffic if appropriate for other network transmission modules 308, equivalent to this " judging unit " of invention, determines whether the unsaturation alternative network module 309 of same area and judges that being adapted to the business transmits Mixed-media network modules mixed-media 310 equivalent to the present invention " allocation unit ".

Even if additionally, exist be adapted to transmission other networks, but as the degree of each network congestion can not, it is possible to The Congestion Level SPCC for being judged out other networks for being adapted to transmission is also greater than current network, in order to solve system resource, it is also possible to Comparison module is set in decision package 306, first to judging to be adapted to the Congestion Level SPCC of other networks for transmitting and current network Congestion Level SPCC is compared, and is not less than the Congestion Level SPCC of current network in the Congestion Level SPCC of other networks of the suitable transmission When, it is not necessary to carry out substituting the selection of objective network, such that it is able to save the resource of decision package.

The detailed composition of local resource watch-dog is illustrated below.

Fig. 3 is the frame diagram for representing the local resource watch-dog LRM 202-204 in the present invention.Here, with local resource Illustrate as a example by one of watch-dog LRM 202-204, the composition of the local resource watch-dog of other networks is identical.

As shown in figure 3, local resource management unit 401 and NIU 402 are included in local resource watch-dog.Net Network interface unit 402 is the network interface between the access point 205-207 being connected with public resource allotter 201 and its.

Local resource management unit 401 is a series of process instruction, using the hardware device CPU (central authorities illustrated in Fig. 3 Processor) carry out the management of local resource.In the present invention, local resource management unit 401 receives user for judgement and asks The network of the access point asked whether congestion.Specifically, local resource management unit 401 includes multiple processing modules, is respectively： Network wireless parameter monitoring module 403, is responsible for the wireless parameter of the connected Network Access Point 205-207 of monitoring；Calculate net Network resource and load condition module 404, are responsible for the network parameter calculating network resource provided according to network parameter monitoring module 403 And load condition be compared with default congestion threshold, judge the current network of user's request business whether congestion；Net Network status reporting module 405, is responsible for sending current network resources and flow status report message to public resource allotter 201； Congested traffic reporting modules 406, are responsible for sending congested traffic report message to public resource allotter 201；Receive decision-making module 407, it is responsible for receiving the decision information from public resource allotter 201；Signals base decision-making module 408, is responsible for access point 205-207 sends the decision information (local resource watch-dog flow-control instruction) from public resource allotter 201.

Fig. 9 is the accompanying drawing of the form for representing Internet resources and flow information report message.The message is monitored by local resource The network state reporting modules 405 in local resource management unit 401 in device 202-204 send, and are mainly used in local resource Watch-dog 202-204 to belonging to which public resource allotter 201 send its connection Network Access Point 205-207 resource and Flow status are reported.As shown in figure 9, Internet resources and flow information report message are included：Source address 1101, represents that message sends The address in source；Destination address 1102, represents the address of message sending destination；LRM numberings 1103；Belonging network 1104, represents The belonging network Class1 104 of the access point of LRM connections, positional information 1105 represent the position of the access point of LRM connections；And Load condition 1106, represents the load condition of belonging network.The load condition can be divided into underload, overload or normal.

Figure 10 is the accompanying drawing of the message format for representing congested traffic report message.The message is by local resource watch-dog 202- The congested traffic reporting modules 406 in local resource management unit 401 in 204 send, and are mainly used in using after congestion occurs Report that the user please to the public resource allotter 201 belonging to which from local resource watch-dog 202-204 when family request is rejected The relevant information asked.As shown in Figure 10, congested traffic report message includes：Source address 1301, represents the address of message transmission source； Destination address 1302, represents the address of message sending destination；Congestion LRM numbering 1303, represents that current congestion access point is connected The numbering of the LRM for connecing；Congestion LRM belonging network 1304, represents the network type belonging to current congestion access point；Requested service end End label 1305, expression send the terminal number of the service request of user；And requested service numbering 1306, represent user's request Business numbering.

Figure 11 represents the accompanying drawing of the message format of the flow-control instruction that local resource watch-dog sends.The flow-control refers to Order is sent by the signals base decision-making module 408 in the local resource management unit 401 in local resource watch-dog 202-204, It is mainly used in when after congestion generation, user's request is rejected, from local resource watch-dog 202-204 to connected access Point 205-207 sends the command information of correlative flow control decision.Specifically, as shown in figure 11, local resource watch-dog is sent out The flow-control instruction for going out is included：Current access point is switched to its of other networks for access point numbering 1701 after transfer, expression The numbering of the access point after his access point transfer；Current access point is switched to by access point belonging network 1702 after transfer, expression The network type belonging to access point after other access point transfers of other networks；Transfer service terminal number 1703, representing should It has been switched the numbering of the user terminal of access point；And transfer service numbering 1704, the volume of the business asked by user terminal Number.

Wherein, if access point numbering 1701 and the two item values of access point belonging network 1702 are after shifting after transfer 0, then decision-making is illustrated for refusal active user's request, that is, do not have other suitable networks replace carrying out the transmission of the business.

The example of the form of exemplified as above each message transmitted in network flow managing system, but actual implement When be not limited in above-mentioned form, as long as the message needed for can notifying, its concrete form can be arbitrary.

Next illustrate the detailed composition of the access point in various networks.

Fig. 4 is the frame diagram for representing the access point AP 205-207 in the present invention.With access point AP 205-207 wherein One of as a example by illustrate, the composition of the access point of other networks is identical.

As shown in figure 4, having access point processing unit 601 and NIU 602 in access point.Wherein, network connects Mouthful unit 602 is and the network interface between local resource watch-dog 202-204.

Access point processing unit 601 is a series of process instruction, using the hardware device CPU (centres illustrated in Fig. 4 Reason device) processed.In the present invention, access point processing unit 601 is used for the business of receive user request and transmits to user The data of institute's requested service, or shift the user's request.Specifically, access point processing unit 601 includes multiple process moulds Block, be respectively：Wireless parameter provides module 603, is responsible for the local resource watch-dog 202-204 belonging to the access point providing being somebody's turn to do The related wireless parameter of access point；Receive user request module 604, responsible reception carry out the request of user terminal；Receive decision-making Module 605, is responsible for receiving the decision information from local resource watch-dog 202-204；And transmission user's request module 606, Be responsible for user transmitting the data of requested service, or the user's request is shifted to the access point for replacing objective network.

It is the concrete reality for illustrating the present invention below with the whole process for responding user's request when network occurs congestion Apply process.

Figure 12 shows the heterogeneous network traffic management process in the present invention from the overall angle of network flow managing system In signaling process.This flow process be broadly divided into network status monitoring and processing stage more new stage and congestion user's request this two The individual stage.

In network status monitoring and more new stage, access point 205-207 receive users request (step 1801), local resource Watch-dog 202-204 is first according to by network wireless parameter monitoring module 403 and connected Network Access Point 205-207 Wireless parameter wireless parameter data (step 1802) that module 603 provides be provided carry out local resource and flow information and calculate (step 1803).Then the resource and flow information of the current network cell for being drawn are compared with default congestion threshold Compared with, when the flow shown in flow information be more than the congestion threshold when, represent Network Access Point 205-207 saturations, network There is (step 1804) in state change, congestion, then send resource and flow information report (step to public resource allotter 201 1805).The updating network state and reporting modules 304 of public resource allotter 201 is reported come more according to resource and flow information Network state and location records table 314 (step 1806) in new memory element 302.

Processing stage congestion user's request, access point 205-207 receive users request (step 1807) are connected Local resource watch-dog 202-204 sends congested traffic report (step 1808) to the public resource allotter 201 belonging to which, public After resource allocator 201 receives this report altogether, (step 1809) carries out decision-making.Specifically, in step 1809, first determine whether Congested traffic is if appropriate for other network transmissions, next, it is determined that whetheing there is the unsaturation alternative network of same area, finally, judges It is adapted to the network of the business transmission, instead objective network.After drawing replacement objective network, public resource allotter 201 Corresponding decision information (the step comprising the replacement objective network is informed to corresponding local resource watch-dog 202-204 1810).Finally decision-making (the step is informed from local resource watch-dog 202-204 to connected access point 205-207 1811), last corresponding access point 205-207 will refuse or shift the user's request (step 1812).

Figure 13 is the flow chart of decision-making treatment when illustrating congestion generation in region performed by CRA.As shown in figure 13, when During generation congestion, user's request is rejected (step 2201), and CRA201 needs to carry out flow-control.First, CRA 201 is according to net Network attribute record table 511 and service attribute log 512 judge user's request business if appropriate for other network transmission (steps 2202), if it is not, then refusing the user's request (step 2205), and terminate to respond (step 2207).If be adapted to, Determined whether to cover unsaturation alternative network (step 2203) in identical area according to network state and location records table 513. If it is not, refusing the user's request (step 2205), and terminate to respond (step 2207).If it has, then being judged, select The network (step 2204) of the suitable business transmission is selected out, as described above, the foundation for judging can be：(1) network bandwidth is preferential, Such as LTE → 3G → GSM, if that is, alternative network has two, larger one is transmitted prioritizing selection bandwidth；(2) load State prior, if that is, alternative network has two, of prioritizing selection light load is transmitted；(3) signal strength is excellent First, that is, select in alternative network the most strong network in user present position objective network as an alternative；(4) environment is closest to principle, The immediate network of type of service desire bandwidth of the network bandwidth and user's request in alternative network target network as an alternative is selected Network.After the completion of decision-making, then public resource allotter 201 sends decision instruction to subordinate, shifts the service request to the decision-making Network (step 2206), and terminate upon completion of the transmission respond (step 2207).

Here, in the event of the switching between different types of network, then be able to will be used by public resource allotter 201 Family request transfers to the access point for replacing objective network, or can also transfer user's request by the access point of current network To the access point for replacing objective network.

Additionally, using congestion threshold judging current network whether congestion in flow process more than, but can certainly profit Judge whether the method for congestion is judged network with other.Also, the value that congestion threshold is determined as needed, be not It is well-determined.

Additionally, in the case of there is comparison module in decision package 306, it is also possible to first to judging in step 1809 Be adapted to transmission the Congestion Level SPCC of other networks be compared with the Congestion Level SPCC of current network, the suitable transmission other When the Congestion Level SPCC of network is not less than the Congestion Level SPCC of current network, does not carry out ensuing process step and directly refuse AP Ask absolutely.

The composition of the network flow managing system in the present invention and the flow process of network flow management has been described in detail above.This In, the present invention can be the public resource allotter with heterogeneous network traffic management function, and this resource allocator both can be with It is self-existent entity, i.e., public resource distribution server, or is present in gateway (such as GGSN (Gateway GPRS Support Node：Gateway GPRS Support Node)) place is used as a separate functional blocks.Additionally, the present invention can also be network Flow management system entirety, carries out network flow management by various pieces collaboration.

Below, the handling process of the system is illustrated with reference to specific example.

Figure 14 is the accompanying drawing of the example of the network class for illustrating different business and being adapted to its transmission.Illustrate in this table Current 10 kinds of more popular business and 3 kinds of cellular networks, can be according to network attribute log 213 and service attribute log 313 lists for comparing the network for drawing items business as shown in Figure 14 and its being adapted to transmission.Wherein, greatly to good service network Network pairing is suitable pairing.Such as business such as web page browsing, Web Community, mail, the tinkle of bells and small documents download is due to which Need bandwidth less, can be transmitted by the GSM network of more low speed；And VoIP (Voice over Internet Protocol： IP speeches), audio conferencing, general video flowing and large software and file download due to the larger time delay of bandwidth for needing it is less, then Can not be transmitted by GSM network；It is when business is large-scale game on line, IPTV, high definition video steaming and video conference, higher due to which Bandwidth requirement and time-delay characteristics, then can only be transmitted by LTE network.

Figure 15 be illustrate current network, transfer after network and transferable business list example accompanying drawing.According to figure 14 classification, can sum up current network and be respectively GSM, 3G, during LTE, if network occurs to be transferred to other during congestion The business of network.Can be clearly seen that when the network is congested according to this table, whether the business of user's request can be by other net Network is transmitted, and continues to inquire about the adjacent networks whether having in non-congestion state with this.

Figure 16 is to illustrate 3G network request VOD (Video On Demand of the user to congestion：Video request program) business and The flow chart that user is located at the processing procedure of network flow managing system when in region.In the example of Figure 16, public resource point Orchestration 201 also has for judging user whether at the edge in its region for being managed, and the use only to not memory area edge The request sent by family carries out flow-control.First, user connects to which but the 3GAP 206 in congestion state is asked Video On Demand (VOD) business (step 2401), the 3G LRM 203 being connected with this 3G AP are then to the CRA belonging to which 201 send congested traffic report (step 2402), and in this example, CRA is judged as user not in edges of regions (step 2403), Then thus CRA carries out flow-control decision-making.CRA first, will according to the requested service numbering 1306 in congested traffic report message In network-related parameters and service attribute log 313 in network attribute log 312, VOD business relevant parameters are compared Compared with, as VOD business demand bandwidth is larger, can determine whether that being not suitable for GSM network for the VOD business transmits, but suitable LTE network biography Defeated (step 2404).Next, CRA is numbered and network state and position according to the LRM carried in congested traffic report message LRM positional informationes 903 and congestion state 904 in log 314 covers the unsaturation LTE net of same area to determine whether Network AP, in this example CRA be judged as having the alternative AP (step 2405) of unsaturation LTE network for covering the user.Then, CRA Judgement is best suitable for LTE AP (step 2406) of the business transmission.CRA informs initial 3G LRM decision-makings, and informs as transfer The LTE LRM of the target decision-makings (step 2407)；Corresponding 3G LRM inform the 3G AP decision-makings, and LTE LRM inform that LTEAP should Decision-making (step 2408)；Finally, initial 3GAP abandons the response user's request, and as the LTE AP for diverting the aim start with The user sets up and connects and transmit the business 2409.

By more than processing procedure, the service request that send can the network relative users that be more suitable for, by Switching between multiple network, can more flexibly effectively utilize heterogeneous network.

(second embodiment)

In first embodiment more than, illustrate to control certain region that covering is overlapped by multiple network by CRA201 In flow embodiment.But, when the region controlled by CRA201 is excessive, the process load of CRA201 is increased, and having can Even if the switching between multiple network cannot can be processed, it is possible to which consideration processes oneself corresponding area respectively by multiple CRA201 Domain, and the last layer in CRA201 arranges central traffic manager, by the central traffic manager in difference The flow of the borderline user between CRA201 or the user on the edge of CRA201 institutes management region is managed.

Difference of the second embodiment of the present invention from first embodiment is that and is provided with central traffic manager (Central Traffic Manager：CTM).In the following description, to giving phase with first embodiment identical part Same label, and omit detailed description.

Figure 17 is that the network flow managing system of the multi-area control for representing that second embodiment of the present invention is related to is System structure chart.

As shown in figure 17, half concentration semi classification traffic management structure is employed in this second embodiment, will be whole Individual heterogeneous network is divided into zones of different 103, therefore combines the highly reliable of the low signaling and distributed frame of centralized configuration The advantage of property.Also, it is easy to tackle the flexible switching under various situations between isomorphism and heterogeneous network.

Comprising central traffic manager CTM 101, public resource distributor C RA in the network flow managing system of Figure 17 102 and its be responsible for region 103 (structure chart in region is as shown in the Fig. 1 in first embodiment).Public resource distributes Resource allocation that device 102 is responsible in region within the jurisdiction 103, updating network state and report, congestion report, flow-control decision-making, connect Receive and inform the functions such as decision-making；Central traffic manager 101 is responsible for the traffic management decision-making in edge customer, and can be in public affairs Resource allocator 102 replaces which to make assignment of traffic decision-making in the case of damaging altogether.

If the user while in certain region rather than edges of regions, then the flow control that can be illustrated in passing through first embodiment Method processed is controlled, therefore, here omits detailed description.Hereinafter stress different between first embodiment Point.

Figure 18 is the frame diagram of the public resource allotter for representing that the second embodiment in the present invention is related to.It is real second Apply in mode, compared with the public resource allotter in first embodiment, difference is decision-making to public resource allotter Whether unit 306 also has and judges user positioned at edges of regions module 307.

This judges whether user is responsible for according to the LRM carried in congested traffic report message in edges of regions module 307 Whether numbering and network state and the LRM positional informationes 903 in location records table judge user in edges of regions.Also, this In addition to function of the updating network state and reporting modules 304 in embodiment in first embodiment, it is also responsible for The resource and flow information report message in region within the jurisdiction is sent to central traffic manager 101.And in present embodiment Receive and send in addition to function of the congested traffic reporting modules 305 in first embodiment, also to central flowtube Reason device 101 sends congested traffic report message.Also, receive and inform that decision-making module 311 is also received from central traffic management The decision information of device 101.

Figure 21 is the one of the form of the resource and flow information report message that represent the public resource allotter in the present invention The accompanying drawing of example.The message is by the updating network state and report in the resource allocation process unit 301 in public resource allotter 201 Accuse module 304 to send, be mainly used in public resource allotter 201 and resource in region within the jurisdiction sent to central traffic manager 101 And flow information report.This report is included：Source address 1201, represents the address of message transmission source；Destination address 1202, expression disappears The address of breath sending destination；CRA numberings 1203, represent the numbering of this public resource allotter；LRM numberings 1204, represent and use Family sends the numbering of the LRM of the current network used by service request；Belonging network 1205, represents the access point of LRM connections The type of belonging network, positional information 1206 represent the position of the access point of LRM connections；And load condition 1207, represent and work as The load condition of front network.

Figure 22 be represent edges of regions occur congestion after management of public resources device report user's request message format one The accompanying drawing of example.The message is by the reception in resource allocation processing unit 301 in public resource allotter 201 and sends congested traffic Reporting modules 305 send, be mainly used in when congestion occur after user's request be rejected and the user be located at edges of regions when by Public resource allotter 201 reports the relevant information of the user's request to central traffic manager 101.The message package contains：Source ground Location 1401, represents the address of message transmission source；Destination address 1402, represents the address of message sending destination；Congestion CRA is numbered 1403, the numbering of the CRA belonging to the congested access point；Congestion LRM position 1404, represents the LRM connected by the congested access point Position；Congestion LRM numbering 1405, represents the numbering of the LRM connected by the congested access point；Congestion LRM belonging network 1406, Represent the network type belonging to the congested access point；Requested service terminal number 1407, expression send the user's request business The numbering of terminal；And requested service numbering 1408, represent the numbering of the business of the user's request.

Next, in explanation central traffic manager detailed composition.

Figure 19 is the frame diagram of the central traffic manager CTM 101 in the present invention.As shown in figure 19, central traffic management Device 101 includes central process flow block 501, memory element 502 and NIU 503.Wherein, NIU 503 are and the network interface between public resource allotter 201.

Additionally, the network attribute log 511 that is stored with memory element 502, service attribute log 512, and network State and location records table 513.

Network attribute log in network attribute log 511, service attribute log 512 and first embodiment 312nd, service attribute log 313 is identical, therefore omits detailed description.

Figure 20 is the form of the network state and location records table 513 that illustrate the central traffic manager in the present invention The accompanying drawing of one.This network state and location records table 513 are stored in 101 memory element 502 of central traffic manager, bag Include：LRM numberings 1001, the belonging network Class1 002 of the access point of LRM connections, the positional information of the access point of LRM connections 1003, public resource allotter (CRA) numbering 1004 belonging to the LRM, the public resource allotter (CRA) belonging to the LRM The congestion state 1006 of the access point/base station of positional information 1005 and the LRM connections.

Central process flow block 501 includes multiple processing modules, is respectively：Updating network state module 504, is responsible for connecing Internet resources and traffic report message that in receipts public resource allotter 201, updating network state and reporting modules 304 are sent, and According to the network state and location records table 513 that store in the Internet resources and traffic report information updating memory element 502；Connect Congested traffic reporting modules 505 are received, is responsible for receiving reception and the transmission congested traffic reporting modules from public resource allotter 201 The 305 congested traffic report message sent；Decision package 506, is responsible for when needing to carry out flow-control according to network and business Attribute and state carry out decision-making, that is, select suitable public resource allotter 201, network and corresponding access point 205-207 to come Respond user's request or refuse the user's request.

Specifically, the decision package 506 includes：Congested traffic is judged if appropriate for other network transmission modules 507, bear Network attribute log 511 and service attribute are recorded by duty according to the requested service numbering 1408 in congested traffic report message Table 512 is compared, and judges the congested traffic if appropriate for other network transmissions；The unsaturation for determining whether same area is standby Mixed-media network modules mixed-media 508 is selected, is responsible for according to the congestion LRM numbering 1405 and network state and location records in congested traffic report message LRM positional informationes 1003 and congestion state 1006 in table 513, determines whether the alternative net of unsaturation for covering same area Network；And judge to be adapted to the mixed-media network modules mixed-media 509 of business transmission, responsible final choice be adapted to the transmission network of business transmission and Access point.

Also, central process flow block also has informs public resource allotter decision-making module 510, and this informs public money Source allotter decision-making module 510 be responsible for corresponding public resource allotter 201 send decision information (central traffic manager Flow-control is instructed).

Figure 23 is the accompanying drawing of of the message format of the flow-control instruction for representing central traffic manager.The message by Public resource allotter decision-making module 510 is informed in central process flow block 501 in central traffic manager 101 Go out, be mainly used in when congestion occur after user's request be rejected and the user be located at edges of regions when, by central traffic management Device 101 sends the command information of correlative flow control decision to public resource allotter 201.The message package contains：Source address 1601, Represent the address of message transmission source；Destination address 1602, represents the address of message sending destination；Generation congestion CRA is numbered 1603, represent the numbering of the CRA belonging to congested access point；CRA numberings 1604 after transfer, represent and replace accordingly connecing for objective network The numbering of the CRA belonging to access point；Congestion LRM belonging network 1605, represents the type of the network belonging to the congested access point；Transfer LRM belonging networks 1606 afterwards, represent the network type belonging to the corresponding access point for replacing objective network, congestion LRM numbering 1607, Represent the numbering of the LRM connected by the congested access point；LRM numberings 1608 are transferred to, are represented and is replaced accordingly connecing for objective network The numbering of the LRM connected by access point；Transfer service terminal number 1609, expression send the end of the user's request business being transferred The numbering at end；And transfer service numbering 1610, represent the numbering of the business of the user's request being transferred.

Wherein, if the network type 1606 after the CRA numberings 1604 after transfer belonging to access point, transfer belonging to access point These three item values of LRM numberings 1608 connected with access point after transfer are 0, illustrate decision-making and ask for refusal active user, Do not have other suitable networks transmit active user's request.

Below with when network occur congestion when respond user's request whole process be to illustrate second embodiment Specific implementation process.

Figure 24 shows the heterogeneous network flow that second embodiment is related to from the overall angle of network flow managing system Signaling process during management.This flow process is divided into network status monitoring and processing stage more new stage and congestion user's request.

As shown in figure 24, in network status monitoring and more new stage, access point 205-207 receive users request (step 1901), local resource watch-dog 202-204 is first according to its network wireless parameter monitoring module 403 and connected network Wireless parameter in access point 205-207 provides wireless parameter data (step 1902) that module 603 is provided, and carries out local resource And flow information calculates (step 1903).Then the resource and flow information of the current network cell for being drawn are gathered around with default Plug threshold value is compared, and judges current network whether congestion.When Network Access Point 205-207 saturations, network state changes Become, congestion occurs (step 1904), then resource and flow information report (step 1905) are sent to public resource allotter 201. The updating network state and reporting modules 304 of public resource allotter 201 according to the resource that receives and flow information report, more The network state stored in new its memory element 302 and location records table 314 (step 1906), and to central traffic manager 101 send resource and flow information report (step 1907), the updating network state module of central traffic manager 101 504 Report according to resource and flow information, the 513 (step of network state and location records table stored in updating its memory element 502 1908)。

Processing stage congestion user's request, access point 205-207 receive users request (step 1909) are connected Local resource watch-dog 202-204 sends congested traffic report (step 1910) to the public resource allotter 201 belonging to which, public Resource allocator 201 is judged as that the user is located at edges of regions (step 1911) after receiving this report altogether, then to central flowtube Reason device 101 sends congested traffic report (step 1912), and central traffic manager 101 carries out decision-making (step after receiving this report 1913) corresponding decision (step 1914) is informed, and to corresponding public resource allotter 201, public resource allotter 201 is received Backward corresponding local resource watch-dog 202-204 informs corresponding decision (step 1915), finally by local resource watch-dog 202-204 informs the decision-making (step 1916) to connected access point 205-207, last corresponding access point 205-207 Refusal shifts the user's request (step 1917).

In the flow process of Figure 24, if public resource allotter 201 is judged as requested service after receiving congested traffic report User be not located at edges of regions, then carry out and first embodiment identical processed, hold in the range of the region within the jurisdiction Switching covers the various networks in the region, is controlled flow with this.

Figure 25 be illustrate congestion occur and user be located at edges of regions when the present invention in CTM decision-makings flow chart.

As shown in figure 25, upon occurrence of the congestion, user's request is rejected (step 2301), and CRA201 is judged as that the user exists Edges of regions (step 2302), then need to submit to the CTM101 of upper level to carry out flow-control.

First, CTM 101 judges user according to the network attribute log 511 and service attribute log 512 that are preserved Requested service is if appropriate for other network transmissions (step 2303), if it is not, then refuse the user's request (step 2306), And terminate to respond (step 2308).If be adapted to, determine whether to cover identical according to network state and location records table 513 Unsaturation alternative network (step 2304) in area.If it is not, refusing the user's request (step 2306), and terminate response (step 2308).If it has, then being judged, the network (step 2305) of the suitable business transmission, the foundation of judgement are selected Can be：(1) network bandwidth is preferential, such as LTE → 3G → GSM, if that is, alternative network has two, prioritizing selection bandwidth is larger One be transmitted；(2) load condition is preferential, if that is, alternative network has two, one of prioritizing selection light load It is transmitted；(3) signal strength is preferential, that is, select in alternative network the most strong network in user present position target network as an alternative Network；(4) closest to principle, that is, in selecting alternative network, the network bandwidth is closest with the type of service desire bandwidth of user's request for environment Network objective network as an alternative.After the completion of decision-making, then CTM 101 sends decision instruction to the CRA201 of subordinate, and transfer should Network (step 2307) after service request to the decision-making, and terminate upon completion of the transmission to respond (step 2308).

Similarly in the following according to the business and the corresponding form of network shown by Figure 14,15, certain concrete business reality is enumerated Example carries out the explanation of flow process.

Figure 26 illustrate 3G network requested webpage browse service from user to congestion and user be located at edges of regions when system Processing procedure.First, user connects to which but has been in the 3G AP206 requested webpage browse service (steps of congestion state 2501) the 3G LRM 203, being connected with this 3GAP then send congested traffic report (step 2502) to the CRA 201 belonging to which,

In this example, CRA is judged as that user is located at edges of regions (step 2503), and this CRA sends congestion to CTM 101 Business report (step 2504), carries out flow-control decision-making by CTM.CTM first is according to the request in congested traffic report message Business numbers (step 1408), by net in the network-related parameters in network attribute log 312 and service attribute log 313 Page browsing business relevant parameter is compared, and can determine whether to be adapted to GSM network and LTE network transmission (step for the web-browsing service It is rapid 2505).

Next, CTM is numbered and network state and location records table according to the LRM carried in congested traffic report message LRM positional informationes 1003 and congestion state 1006 in 513, determines whether unsaturation GSM and LTE for covering same area Network AP.CTM is judged as having unsaturation GSM and the alternative AP (step 2506) of LTE network for covering the user in this example.

Then, can judge to be best suitable for this according to (1) network bandwidth preference strategy (step 2507), LTE → 3G → GSM, CTM LTE AP (step 2509) of business transmission；Or (2) load condition is preferential (step 2508), CTM is according to the negative of each alternative AP Carry GSM or LTEAP (step 2510) that condition adjudgement is best suitable for the business transmission.

Next, CTM informs the CRA decision-makings belonging to initial 3G LRM, and inform the GSM/LTE LRM institutes for transferring to The CRA of the category decision-makings (step 2511)；Corresponding CRA informs initial 3G LRM decision-makings, and informs the GSM/LTE for transferring to The LRM decision-makings (step 2512).Initial 3G LRM inform the 3G AP decision-makings, and corresponding GSM/LTE LRM inform GSM/LTE The AP decision-makings (step 2513)；Finally, initial 3G AP abandon responding user, and GSM/LTE AP start to be connected with user's foundation And transmit the web-browsing service (step 2514).

In the above description, the form for the various forms that a various message and CTM are preserved are transmitted in flow process is carried out Detailed description.But the concrete form of these forms is only one, as long as the network information needed for flow-control can be provided, then The form of form can be any.

According to above-mentioned second embodiment, please to the business sent from CRA edges by the last layer setting in multiple CRA Asking carries out the CTM of flow-control, can place CRA load excessives, can process the scheduling between multiple CRA more in phase, Thereby, it is possible to effective utilization rate for reducing user's blocking rate and improving each network in heterogeneous network.

The present invention can be effectively adapted in the heterogeneous network by multiple network coverages, specifically very high practical value.

Symbol description：

101 central traffic managers

201 public resource allotters

202nd, 203,204 local resource watch-dog

205th, 206,207 access point

301 resource allocation process units

302nd, 502 memory element

303rd, 503 NIU

304 updating network states and reporting modules

305 receive and send congested traffic reporting modules

306th, 506 decision package

307 judge whether user is located at edges of regions module

308th, 507 judge congested traffic if appropriate for other network transmission modules

309th, 508 determine whether the unsaturation alternative network module of same area

310th, 509 judge to be adapted to the mixed-media network modules mixed-media of the business transmission

311 receive and inform decision-making module

312nd, 511 network attribute log

313rd, 512 service attribute log

314 network states and location records table

501 central process flow blocks

504 updating network state modules

505 receive congested traffic reporting modules

513 network states and location records table

510 inform public resource allotter decision-making module

Claims (26)

1. a kind of volume control device, including：

Receiving unit, receives network state information and network congestion information, above-mentioned network state information include base station and terminal it Between multiple network types and user's request type of service, above-mentioned network congestion information represents the network between base station and terminal Whether congestion；

Judging unit, in the case where above-mentioned network congestion information represents the current network congestion of user's request business, judges to use The type of service of family request is transmitted if appropriate for other networks of user region；

Allocation unit, judges to be adapted to select certain network instead current network in other networks of transmission from judging unit Replacement objective network；And

Edge identifying unit, the edge identifying unit judge whether user is located at the side in the region controlled by this volume control device Edge,

Only when above-mentioned edge identifying unit is judged as that user is not located at the edge in the region controlled by this volume control device, Judging unit is just made whether the judgement that there are other networks for being adapted to transmission.

2. volume control device according to claim 1, it is characterised in that

Also include comparing unit, above-mentioned comparing unit judges the congestion journey of other networks for being adapted to transmission to above-mentioned judging unit Degree is compared with the Congestion Level SPCC of current network,

When the Congestion Level SPCC of other networks of the suitable transmission is not less than the Congestion Level SPCC of current network, above-mentioned distribution list Unit does not carry out the selection for substituting objective network.

3. volume control device according to claim 1, it is characterised in that

Above-mentioned network type includes global system for mobile communications GSM, 3-G (Generation Three mobile communication system) 3G, Long Term Evolution LTE.

4. volume control device according to claim 1, it is characterised in that

Above-mentioned judging unit is judged by the type of service for comparing user's request table corresponding with business set in advance and network With the presence or absence of other networks of suitable transmission user's request business.

5. volume control device according to claim 1, it is characterised in that

Above-mentioned judging unit is judged by the type of service for comparing user's request table corresponding with business set in advance and network With the presence or absence of other networks of suitable transmission user's request business,

When above-mentioned judging unit judges that other networks for being adapted to transmission have multiple, above-mentioned allocation unit is according to network state The current state of the plurality of other networks shown by information, selects certain network mesh as an alternative from the plurality of other networks Mark network.

6. volume control device according to claim 1, it is characterised in that

When above-mentioned judging unit judges that other networks for being adapted to transmission have multiple, above-mentioned allocation unit is according to network state The current state of the plurality of other networks shown by information, selects certain network mesh as an alternative from the plurality of other networks Mark network.

7. the volume control device according to claim 5 or 6, it is characterised in that

The network that above-mentioned allocation unit selects bandwidth maximum objective network as an alternative.

8. the volume control device according to claim 5 or 6, it is characterised in that

Above-mentioned allocation unit selects to load minimum network objective network as an alternative.

9. the volume control device according to claim 5 or 6, it is characterised in that

The network that above-mentioned allocation unit selects user present position most strong objective network as an alternative.

10. the volume control device according to claim 5 or 6, it is characterised in that

The immediate network of type of service desire bandwidth of the above-mentioned allocation unit selection network bandwidth and user's request is as an alternative Objective network.

A kind of 11. network flow managing systems, under the presence at least network environment of more than 2 communication modes, including：

Access point, the business of receive user request；

Local resource watch-dog, judgement receive the network of the access point of user's request whether congestion；And

Public resource allotter, in the case where above-mentioned local resource watch-dog judges congestion, judges the business of user's request Type is transmitted if appropriate for other networks of user region,

Above-mentioned public resource allotter selects the instead current net of certain network from other networks for judging suitable transmission The replacement objective network of network, makes above-mentioned access point that user's request business to be transferred to the access point for substituting objective network,

Above-mentioned network flow managing system also includes central traffic manager,

Above-mentioned public resource allotter also judges whether the user of requested service is located at the area controlled by this public resource allotter The edge in domain, in the case where being judged as that user is located at the edge in region controlled by this public resource allotter, in above-mentioned Centre traffic manager carries out public resource distribution, and above-mentioned central traffic manager is selected from other networks for judging suitable transmission The replacement objective network of certain network instead current network is selected, makes above-mentioned access point that user's request business is transferred to replacement The access point of objective network.

12. network flow managing systems according to claim 11, it is characterised in that

In the case where above-mentioned public resource allotter does not judge other networks of suitable transmission, above-mentioned access point refusal is made The business of user's request.

13. network flow managing systems according to claim 11, it is characterised in that

Above-mentioned local resource watch-dog calculates the flow information of the access point place network cell for receiving user's request business, When flow shown in flow information is more than predetermined congestion threshold, it is judged as congestion.

A kind of 14. flow control methods, including：

Receiving step, receives network state information and network congestion information, above-mentioned network state information include base station and terminal it Between multiple network types and user's request type of service, above-mentioned network congestion information represents the network between base station and terminal Whether congestion；

Judge step, in the case where above-mentioned network congestion information represents the current network congestion of user's request business, judge to use The type of service of family request is transmitted if appropriate for other networks of user region；

Allocation step, judges to be adapted to select certain network instead current network in other networks of transmission from judging unit Replacement objective network；And

Edge determination step, judges whether user is located at the edge in controlled region,

When being only judged as in above-mentioned edge determination step that user is not located at the edge in controlled region, just enter and judge step Suddenly, it is made whether there is the judgement of other networks for being adapted to transmission.

15. flow control methods according to claim 14, it is characterised in that

Also include comparison step, in above-mentioned comparison step, to judging to be adapted to other networks of transmission in above-mentioned judgement step Congestion Level SPCC be compared with the Congestion Level SPCC of current network,

When the Congestion Level SPCC of other networks of the suitable transmission is not less than the Congestion Level SPCC of current network, in above-mentioned distribution Do not carry out substituting the selection of objective network in step.

16. flow control methods according to claim 14, it is characterised in that

Above-mentioned network type includes global system for mobile communications GSM, 3-G (Generation Three mobile communication system) 3G, Long Term Evolution LTE.

17. flow control methods according to claim 14, it is characterised in that

In above-mentioned judgement step, by the type of service for comparing user's request table corresponding with business set in advance and network, To judge whether to be adapted to other networks of transmission user's request business.

18. flow control methods according to claim 14, it is characterised in that

In above-mentioned judgement step, by the type of service for comparing user's request table corresponding with business set in advance and network, To judge whether to be adapted to other networks of transmission user's request business,

When judging that in above-mentioned judgement step other networks for being adapted to transmission have multiple, according to net in above-mentioned allocation step The current state of the plurality of other networks shown by network status information, selects certain network conduct from the plurality of other networks Substitute objective network.

19. flow control methods according to claim 14, it is characterised in that

When judging that in above-mentioned judgement step other networks for being adapted to transmission have multiple, according to net in above-mentioned allocation step The current state of the plurality of other networks shown by network status information, selects certain network conduct from the plurality of other networks Substitute objective network.

20. flow control methods according to claim 18 or 19, it is characterised in that

In above-mentioned allocation step, the network for selecting bandwidth maximum objective network as an alternative.

21. flow control methods according to claim 18 or 19, it is characterised in that

In above-mentioned allocation step, select to load minimum network objective network as an alternative.

22. flow control methods according to claim 18 or 19, it is characterised in that

In above-mentioned allocation step, the network for selecting user present position most strong objective network as an alternative.

23. flow control methods according to claim 18 or 19, it is characterised in that

In above-mentioned allocation step, the immediate network conduct of type of service desire bandwidth of the network bandwidth and user's request is selected Substitute objective network.

Network flux management method in a kind of 24. network flow managing systems, above-mentioned network flow managing system is in presence At least under the network environment of more than 2 communication modes, above-mentioned network flux management method includes：

The step of business of access point receive user request；

Local resource watch-dog judge the network of the access point for receiving user's request whether congestion the step of；

In the case where above-mentioned local resource watch-dog judges congestion, public resource allotter judges the service class of user's request The step of type is transmitted if appropriate for other networks of user region；

Above-mentioned public resource allotter selects the instead current net of certain network from other networks for judging suitable transmission The replacement objective network of network, makes above-mentioned access point that user's request business is transferred to the step of substituting the access point of objective network； And

Above-mentioned public resource allotter judges whether the user of requested service is located at the region controlled by this public resource allotter Edge, in the case where being judged as that user is located at the edge in region controlled by this public resource allotter, by central flow The step of manager carries out public resource and distributes,

In central traffic manager is carried out the step of public resource distributes, above-mentioned central traffic manager from judge be adapted to biography The replacement objective network of certain network instead current network is selected in other defeated networks, makes the above-mentioned access point please by user Business is asked to be transferred to the access point for substituting objective network.

25. network flux management methods according to claim 24, it is characterised in that

In the case where above-mentioned public resource allotter does not judge other networks of suitable transmission, above-mentioned access point refusal is made The business of user's request.

26. network flux management methods according to claim 24, it is characterised in that

In the step of judging whether congestion, above-mentioned local resource watch-dog calculates the access point institute for receiving user's request business In the flow information of network cell, when the flow shown in flow information is more than predetermined congestion threshold, it is judged as congestion.