CN102711202B - High-level-anchor-based wireless link soft switching processing method and system - Google Patents
High-level-anchor-based wireless link soft switching processing method and system Download PDFInfo
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Abstract
The invention provides a high-level-anchor-based wireless link soft switching processing method, high-level anchor equipment, a mobile terminal and a network system. The method comprises the following steps that: a high-level anchor receives binding relationship information between the mobile terminal and a wireless network from the mobile terminal, wherein the binding relationship information comprises an identifier of the mobile terminal and at least one wireless network identifier corresponding to the identifier; the mobile terminal establishes wireless connection with at least one wireless network; the high-level anchor selects at least one wireless network from the binding relationship information as a target wireless network according to a first preset strategy, and transmits downlink data to the mobile terminal through the target wireless network; and the mobile terminal receives the downlink data from the high-level anchor through at least one wireless network in the target wireless networks according to a second preset strategy.
Description
Technical field
The present invention relates to wireless communication technology, and be particularly related to a kind of wireless link soft switching processing method and system based on high-rise anchor point.
Background technology
Along with the development of mobile communications network, data, services ability and network coverage ability that data transport service and various real-time multimedia traffic require strengthen day by day, switching demand between the inner different networks controller of consolidated network (Radio Network Controller, RNC), between homogenous networks, between heterogeneous network is also more obvious.
For the user of high-speed mobile, its transmission reliability and service quality (Quality of Service, QoS) requirement to transmission channel is higher, and single wireless link self cannot meet this user's highly reliable, low delay requirement.Modal scene is as rail vehicle transportation, and train is in running, and its control information and safety state information are all transmitted by wireless link, and requires to have very high real-time and reliability, to ensure the safety of train operation.
The method that improves at present wireless link reliability and QoS mainly comprises:
Increase wireless network base station, improve the covering of wireless network.The method need to drop into more fund and equipment, even if increase wireless network base station, the covering that improves wireless network can not ensure to switch and can successfully and can not solve the synchronization data packet loss problem that transmission exists by single system when user is switched between two base stations.
Adopt active and standby many cover wireless systems, when main system breaks down or adopts back-up system transmission data when link interruption.The method need to re-establish connection in the time of active and standby switching, and the time that this need to be longer, can not solve the synchronization data packet loss problem that transmission exists by single system.
As 3G, adopt soft handover and grand diversity in same wireless local net inside, be that user first connects with new link establishment while switching between base station, and then being connected between disconnection and former base station, new connect and adopt when old connection exists simultaneously in new, old connection, send same data simultaneously and then choose the result of a correct sample as reception according to the quality of the data that receive again at receiving terminal, the success rate of switching to improve mobile subscriber, reliability and the QoS of raising Internet Transmission.
But existing soft handover and grand diversity technique and the close coupling of radio network technique standard can only (as between the different base station under same RNC) could be processed in a certain local radio network of same network, do not support the soft handover of user between heterogeneous network.
Summary of the invention
The invention provides a kind of wireless link soft switching processing method, high-rise anchor point device, mobile terminal and a kind of network system based on high-rise anchor point, realize the high-rise soft handover and the grand diversity that do not rely on radio network technique, improve the success rate of user network switching and the reliability of wireless transmission.
The invention provides a kind of wireless link soft switching processing method based on high-rise anchor point, comprising: the binding relationship information between that high-rise anchor point mobile terminal receive sends, described mobile terminal and wireless network; Described binding relationship information comprises the mark of described mobile terminal and corresponding with described mark, the wireless network identification of at least one; Described mobile terminal with described at least one wireless network set up have or not line to be connected;
Described high-rise anchor point, according to the first strategy setting in advance, selects at least one wireless network as target radio network in binding relationship information, and sends downlink data by described target radio network to described mobile terminal;
Described mobile terminal, according to the second strategy setting in advance, by least one wireless network in described target radio network, receives the downlink data that described high-rise anchor point sends.
The invention provides a kind of wireless link soft switching processing method based on high-rise anchor point, comprise: mobile terminal with can set up wireless connections for described mobile terminal provides the wireless network of wireless service, and send the binding relationship information between described mobile terminal and wireless network to high-rise anchor point; Described binding relationship information comprises the mark of described mobile terminal and corresponding with described mark, the wireless network identification of at least one; Described mobile terminal with described at least one wireless network set up have or not line to be connected;
Described mobile terminal, according to the second strategy setting in advance, selects at least one wireless network as target radio network in binding relationship information, and sends upstream data by described target radio network to described high-rise anchor point;
The first strategy that described high-rise anchor point sets in advance according to anchor point, by least one of them wireless network in described target radio network, receives the upstream data that described mobile terminal sends.
The invention provides a kind of high-rise anchor point device, comprising: the radio network interface unit of at least one, for setting up wireless connections with corresponding wireless network, and mobile terminal receive binding relationship information that send, between described mobile terminal and wireless network; Described binding relationship information comprises the mark of described mobile terminal and corresponding with described mark, the wireless network identification of at least one; Described mobile terminal with described at least one wireless network set up have or not line to be connected;
High-rise switching and grand diversity control unit, be connected with described at least one radio network interface unit, the first strategy setting in advance for basis, in binding relationship information, select at least one wireless network as target radio network, and send downlink data by corresponding radio network interface unit to described mobile terminal.
The invention provides a kind of mobile terminal, comprising: the radio interface unit of at least one, for setting up wireless connections with corresponding wireless network, and sends the binding relationship information between described mobile terminal and wireless network to high-rise anchor point; Described binding relationship information comprises the mark of described mobile terminal and corresponding with described mark, the wireless network identification of at least one; Described mobile terminal with described at least one wireless network set up have or not line to be connected;
Control unit, be connected with described at least one radio interface unit, for according to the second strategy setting in advance, in binding relationship information, select at least one wireless network as target radio network, and send upstream data by corresponding radio interface unit to described high-rise anchor point.
The invention provides a kind of network system, comprising: above-mentioned mobile terminal, high-rise anchor point device and with described mobile terminal wireless connections, the wireless network of at least one.
With respect to existing soft handover and macro diversity method, the high-rise soft handover that does not rely on radio network technique provided by the invention and macro diversity method can make user between the inner different base station of homogenous networks, between homogenous networks and between heterogeneous network, realize soft handover and grand diversity, improve the success rate of user's switching and the reliability of transmission of radio links, improve the quality (QoS) of network service.
Brief description of the drawings
Fig. 1 is the schematic flow sheet that the present invention is based on the wireless link soft switching processing method embodiment mono-of high-rise anchor point;
Fig. 2 is the schematic flow sheet that the present invention is based on the wireless link soft switching processing method embodiment bis-of high-rise anchor point;
Fig. 3 is the structural representation of an embodiment of the high-rise anchor point device of the present invention;
Fig. 4 is another example structure schematic diagram of the high-rise anchor point device of the present invention;
Fig. 5 is the structural representation of mobile terminal embodiment of the present invention;
Fig. 6 is the network system architecture schematic diagram that the present invention is based on high-rise anchor point soft switching processing method;
Fig. 7 is the system architecture figure of the further refinement of network system based on high-rise anchor point soft switching processing method of Fig. 6;
Fig. 8 is the Principle of Communication schematic flow sheet that the present invention does not rely on radio network technique;
Fig. 9 is the schematic flow sheet that the present invention is based on the wireless link soft handover of high-rise anchor point;
Figure 10 is the schematic flow sheet that soft handover of the present invention discharges former network.
Embodiment
Fig. 1 is the schematic flow sheet that the present invention is based on the wireless link soft switching processing method embodiment mono-of high-rise anchor point.The binding relationship information that the present embodiment method can send by high-rise anchor point mobile terminal receive, high-rise anchor point is by the first strategy setting in advance, selected target wireless network, and send downlink data to mobile terminal.Concrete, as shown in Figure 1, the present embodiment can comprise the steps:
Step S101: the binding relationship information between that high-rise anchor point device mobile terminal receive sends, described mobile terminal and wireless connections.
High-rise anchor point device in this step, comprises high-rise switching and grand diversity control unit, and provides network interface unit for wireless network.The binding relationship information of mobile terminal and wireless connections, refers to the annexation between wireless terminal wireless network that can search and that connect with it.For example: binding relationship information can be that the mark of mobile terminal is as IP address, MAC Address (Media Access Control, MAC Address), IMSI International Mobile Subscriber Identity (International Mobile Subscriber Identifier, IMSI), International Mobile Station Equipment Identification (International Mobile Equipment Identity, IMEI), device numbers etc. can identify the code of mobile terminal identity, code name and the corresponding relation between at least one wireless network identification of any wireless network services can be provided for it, described wireless network identification for identifying described mobile terminal in described wireless network, it can be IP address, MAC Address, IMSI(IMSI International Mobile Subscriber Identity), IMEI(International Mobile Station Equipment Identification), device numbers etc. can identify the code of mobile terminal in described wireless network identity, code name etc.
Step S102: described high-rise anchor point device, according to the first strategy setting in advance, selects at least one wireless network as target radio network in described binding relationship information.
In this step, high-rise anchor point device, according to the first strategy setting in advance, from above-mentioned binding relationship information, is selected to meet tactful wireless network as the target radio network for sending downlink data.
Step S103: described high-rise anchor point device, by described target radio network, sends downlink data to described mobile terminal.
In this step, high-rise anchor point device sends downlink data by radio network interface unit and selected target radio network to mobile terminal.
Step S104: described mobile terminal, according to the second strategy setting in advance, by least one of them wireless network in described target radio network, receives the described downlink data that described high-rise anchor point sends.
In this step, mobile terminal can, according to the strategy that sets in advance second, select to meet this tactful target radio network downlink data receiving.For instance, suppose that step S102 anchor point on the middle and senior level sends downlink data according to two wireless networks in the first network that strategy is selected and mobile terminal connects setting in advance as target radio network, the second strategy that mobile terminal basis sets in advance in this step, a wireless network downlink data receiving in select target wireless network, or two wireless networks in target radio network are all used as to the network of downlink data receiving.
In above-described embodiment, binding relationship information described in step S101 comprises the mark of described mobile terminal and corresponding with described mark, the wireless network identification of at least one; Described mobile terminal with described at least one wireless network set up have or not line to be connected.The first strategy setting in advance described in step S102 and the second strategy setting in advance comprise selects former wireless network as target radio network; Or, select the good wireless network of signal quality as target radio network; Or, select wireless networks all in described binding relationship information as target radio network, but the present invention is not as limit.Any information that can show corresponding relation between mobile terminal and wireless network can be used as binding relationship information; Any for limiting network using the condition as target radio network, all can be used as first and second strategy setting in advance of the present invention.
The wireless link soft switching processing method based on high-rise anchor point in the present embodiment, in the time that mobile terminal monitors qualified new wireless connections, described high-rise anchor point receives the lastest imformation of the increase binding relationship that described mobile terminal sends, and described lastest imformation comprises the mark of mobile terminal and corresponding with described mark, the wireless network identification of at least one that newly increase; Described mobile terminal with described at least one wireless network set up have or not line to be connected; Or
When mobile terminal monitors existing network when undesirable, described high-rise anchor point receives the lastest imformation of the deletion binding relationship that described mobile terminal sends, described lastest imformation that comprise that the mark of mobile terminal and needs delete with the described wireless network identification that identifies corresponding at least one; Described mobile terminal and described at least one wireless network have no longer been set up wireless connections.Described high-rise anchor point is deleted the part wireless network identification in described binding relationship, and sends the log-off message about described part wireless network identification to described mobile terminal.
The wireless link soft switching processing method based on high-rise anchor point device that the present embodiment provides, upgrade binding relationship information between mobile terminal and wireless connections to realize the switching of wireless link by high-rise anchor point device, make the data communication between high-rise anchor point device and mobile terminal follow concrete radio network technique (as 3G network, WiMAX network) have nothing to do, improve the success rate of user network switching and the reliability of wireless transmission.
Fig. 2 is the schematic flow sheet that the present invention is based on the wireless link soft switching processing method embodiment bis-of high-rise anchor point.The method of the present embodiment can send the binding relationship information between this mobile terminal and wireless network by mobile terminal, and mobile terminal is selected wireless network according to the second strategy setting in advance, and sends upstream data to high-rise anchor point.Concrete, as shown in Figure 2, the present embodiment can comprise the steps:
Step S201: mobile terminal with can set up wireless connections for described mobile terminal provides the wireless network of wireless service, and send the binding relationship information between described mobile terminal and wireless network to high-rise anchor point.
In this step, the binding relationship information of mobile terminal and wireless network, refers to the annexation between mobile terminal wireless network that can search and that connect with it.For example: binding relationship information can be the corresponding relation between the mark of mobile terminal and at least one wireless network identification that any wireless network services can be provided for it.
Step S202: described mobile terminal, according to the second strategy setting in advance, selects at least one wireless network as target radio network in described binding relationship information.
In this step, mobile terminal is according to the second strategy setting in advance, and from above-mentioned binding relationship information, selection is satisfied sets in advance tactful wireless network as the target radio network for sending data.
Step S203: described mobile terminal, by described target radio network, sends upstream data to described high-rise anchor point.
In this step, mobile terminal, by radio interface unit, sends upstream data by selected target radio network to high-rise anchor point.
Step S204: described high-rise anchor point, according to the first strategy setting in advance, by least one wireless network of described target radio network, receives the described upstream data that described mobile terminal sends.
Suppose that the mobile terminal in step S202 sends upstream data according to two wireless networks in the second wireless network that strategy is selected and high-rise anchor point connects setting in advance as target radio network, the first strategy that high-rise anchor point device basis sets in advance in this step, by one or two transmission upstream data in target radio network.
In above-described embodiment, binding relationship information described in step S201 comprises the mark of described mobile terminal and corresponding with described mark, the wireless network identification of at least one; Described mobile terminal with described at least one wireless network set up have or not line to be connected.The second strategy setting in advance described in step S202 comprises selects former wireless network as target radio network; Or, select the good wireless network of signal quality as target radio network; Or, select wireless networks all in described binding relationship information as target radio network, but the present invention is not as limit.Any information that can show corresponding relation between mobile terminal and wireless network can be used as binding relationship information; Any condition that can limit network and can be used as target radio network, all can be used as first and second strategy setting in advance of the present invention.
The wireless link soft switching processing method based on high-rise anchor point in the present embodiment, in the time that mobile terminal monitors qualified new wireless connections, described mobile terminal sends the lastest imformation that increases binding relationship to described high-rise anchor point, described lastest imformation comprises the mark of mobile terminal and corresponding with described mark, the wireless network identification of at least one that newly increase; Described mobile terminal with described at least one wireless network set up have or not line to be connected; Or
When mobile terminal monitors existing network when undesirable, described mobile terminal sends the lastest imformation of deleting binding relationship to described high-rise anchor point, what described lastest imformation comprised that the mark of mobile terminal and needs delete identifies corresponding, the mark of wireless network of at least one with described; Described mobile terminal and described at least one wireless network have no longer been set up wireless connections.Described mobile terminal receives the log-off message that described high-rise anchor point sends, and in described binding relationship information, deletes the network identity that described log-off message comprises.
The wireless link soft switching processing method based on high-rise anchor point device that the present embodiment provides, send the binding relationship information of upgrading between mobile terminal and wireless connections to realize the switching of wireless link by mobile terminal, make the data communication between high-rise anchor point device and mobile terminal follow concrete radio network technique (as 3G network, WiMAX network) be irrelevant, improve the success rate of user network switching and the reliability of wireless transmission.
Fig. 3 is the structural representation of high-rise anchor point device one embodiment of the present invention.Please refer to Fig. 3, high-rise anchor point device 3 comprises high-rise switching and grand diversity control unit 1 and radio network interface unit 2, for mobile terminal provides high-rise anchor point service, and carry out switching controls and grand diversity control, it is set up and connects with wireless network by radio network interface unit.
Fig. 4 is another example structure schematic diagram of the high-rise anchor point device of the present invention.Please refer to Fig. 4, high-rise anchor point device 3 comprises high-rise switching and grand diversity control unit 1 and several radio network interface unit 2, is connected on high-rise switching and grand diversity control unit 1 and multiple radio network interfaces unit 2 is unified.High-rise switching with grand diversity control unit 1 is responsible for being connected switching and grand diversity transmission and reception, the first strategy setting in advance for basis, in binding relationship information, select at least one wireless network as target radio network, and send downlink data by corresponding radio network interface unit 2 to described mobile terminal.2 of radio network interface unit, for wireless network provides access interface, make mobile terminal can finally access high-rise anchor point device and use grappling service, the binding relationship information between that its mobile terminal receive sends, described mobile terminal and wireless network; Described binding relationship information comprises the mark of described mobile terminal and corresponding with described mark, the wireless network identification of at least one; Described mobile terminal with described at least one wireless network set up have or not line to be connected.
Mobile terminal, can be multiple main frames and/or router and/or mobile network, the present invention, not as limit, be the user who utilizes network service, it passes through radio interface unit access of radio network, and on high-rise anchor point, sets up corresponding grappling item by wireless network.Fig. 5 is the structural representation of mobile terminal embodiment of the present invention, please refer to Fig. 5.Mobile terminal 6 is made up of with grand diversity control unit 4 and several radio interface unit 5 switching of mobile device high level, and all radio interface unit 5 are finally unified on the high-rise switching of mobile device and grand diversity control unit 4; Radio interface unit 5 is responsible for providing the communication interface between mobile terminal and wireless network, and the high-rise soft handover of mobile device is responsible for being connected switching controls and grand diversity control with 4 of grand diversity control units.
Fig. 6 is the network system architecture schematic diagram that the present invention is based on high-rise anchor point soft switching processing method.The high-rise soft handover that does not rely on radio network technique and the macro diversity method network architecture of the present embodiment, be made up of three parts: high-rise anchor point device 3, wireless network 7 and several mobile terminals 6.
Its anchor point device on the middle and senior level comprises radio network interface unit and high-rise switching and grand diversity control unit, for mobile terminal provides high-rise grappling service, and carrying out switching controls and grand diversity control, it sets up connection by radio network interface unit with wireless network;
Wireless network is made up of multiple isomorphisms and/or heterogeneous wireless network, and for mobile terminal provides wireless access service, it connects with high-rise anchor point device by radio network interface unit, by radio interface unit with connecting between mobile terminal;
Mobile terminal, can be multiple main frames and/or router and/or mobile network, the present invention, not as limit, be the user who utilizes network service, it passes through radio interface unit access of radio network, and on high-rise anchor point, sets up corresponding grappling item by wireless network.
Fig. 7 is the system architecture figure of the further refinement of network system based on high-rise anchor point soft handover implementation method of Fig. 6.Please refer to Fig. 7, high-rise anchor point device is made up of high level switching and grand diversity control unit 1 and several radio network interface unit 2, is connected on high-rise switching and grand diversity control unit 1 and multiple radio network interfaces unit 2 is unified; High-rise switching is responsible for being connected switching controls and grand diversity transmission and reception with grand diversity control unit 1, and 2 of radio network interface unit, for wireless network provides access interface, make mobile terminal 6 can finally access high-rise anchor point device use grappling service.
Wireless network 7 is made up of several wireless networks again, warm core network and wireless sub network.Wireless network can isomorphism can be also isomery, it establishes a communications link by radio network interface unit 2 and high-rise anchor point, establishes a communications link with mobile terminal 6 by radio interface unit 5.
Mobile terminal 6 is made up of with several radio interface unit 5 the high-rise switching of mobile device and grand diversity control unit 4, final unified being connected on the switching of mobile device high level and grand diversity control unit 4 of all radio interface unit 5; Radio interface unit 5 is responsible for providing the communication interface between mobile terminal 6 and wireless network 7, and the high-rise soft handover of mobile device is responsible for being connected switching controls and grand diversity control with 4 of grand diversity control units.
Fig. 8 is the Principle of Communication schematic flow sheet that the present invention does not rely on radio network technique.Concrete, as shown in Figure 8, the present embodiment can comprise the steps:
Step S801: when user need to carry out network service, mobile terminal-opening is searched for available wireless network, and sets up wireless connections.
In this step, mobile terminal is by radio interface unit and can provide for it the wireless network of any wireless network services to set up wireless connections.
Step S802: mobile terminal has been registered mobile terminal to high-rise anchor point device and set up high-rise connection with the high level binding between wireless connections.
In this step, mobile terminal, by radio interface unit and wireless network, finally accesses high-rise anchor point device and uses grappling service, to the binding relationship information between high-rise anchor point device registration mobile terminal and wireless network.
Step S803: whether mobile terminal and the monitoring of high-rise anchor point device have data to issue the other side.
In this step, mobile terminal and high-rise anchor point device have judged whether that data issue the other side according to demand.If have data to send, perform step S804; Otherwise, return to step S801.
Step S804: high-rise anchor point device and mobile terminal, according to first and second strategy setting in advance, are selected the wireless connections that send data.
In this step, high-rise anchor point is according to the first strategy setting in advance, and from above-mentioned binding relationship information, selection is satisfied sets in advance tactful wireless network as the target radio network for sending downlink data;
Mobile terminal is according to the second strategy setting in advance, and from above-mentioned binding relationship information, selection is satisfied sets in advance tactful wireless network as the target radio network for sending upstream data.
Step S805: sending direction recipient sends one or one group of data cell;
Step S806: recipient judges that whether the data that receive are at first correct, arrive and correct data cell if received at first, send acknowledge message to transmit leg, transmit leg receives to stop at after the acknowledge message that recipient sends and in all wireless connections, sends or retransmit this data cell; If the data cell that recipient receives is incorrect, send data cell error message to transmit leg, return to step S805, allow transmit leg retransmit this data cell.
Referring to Fig. 7 and Fig. 8, suppose that in Fig. 7, wireless network 1 is LTE network, mobile terminal is linked in LTE network by a radio interface unit and goes, and LTE network packet is caught up with a layer core network containing LTE access subnet, and IP interface externally can be provided.The IP that LTE network provides exports after P-GW, then connects with the radio network interface unit of high-rise anchor point device by this IP outlet, to set up the communication connection between mobile terminal and high-rise anchor point device.
If mobile terminal selects LTE network to send data, according to the corresponding strategy of setting, the transmission of data can be so: from the radio interface unit of mobile terminal out, then, by LTE network, arrive high-rise anchor point device, then to corresponding destination.
Fig. 9 is the schematic flow sheet that the present invention is based on the wireless link soft handover of high-rise anchor point.Concrete, as shown in Figure 9, the present embodiment can comprise the steps:
Step S901: when user need to carry out network service, mobile terminal-opening is searched for available wireless network, and sets up wireless connections.
In this step, mobile terminal is by radio interface unit and can provide for it the wireless network of any wireless network services to set up wireless connections.
Step S902: mobile terminal has been registered mobile terminal to high-rise anchor point device and set up high-rise connection with the high level binding between wireless connections.
In this step, mobile terminal, by radio interface unit and wireless network, finally accesses high-rise anchor point device and uses grappling service, to the binding relationship information between high-rise anchor point device registration mobile terminal and wireless network.
Step S903: whether mobile terminal and high-rise anchor point device detect wireless connections changes.
In this step, if mobile terminal and high-rise anchor point device detect that wireless connections change, perform step S904; Otherwise, return to step S901.
Step S904: mobile terminal and high-rise anchor point device qualified new wireless connections detected or/and existing wireless connections are undesirable;
Step S905: mobile terminal sends binding update messages request to high-rise anchor point device to be increased or/and delete wireless connections and the high-rise binding relationship being connected;
Step S906: high-rise anchor point device receives the binding update messages that mobile terminal sends, and connects and binds table according to the content update mobile device high level of binding update messages, upgrades wireless connections and the high-rise binding relationship being connected;
Step S907: the continual search wireless connections of mobile terminal and high-rise anchor point device monitoring network state, returns to step S903.
The wireless link soft switching processing method based on high-rise anchor point device that the present embodiment provides, the variation connecting by monitoring wireless, mobile terminal sends Binding Update request message requests to high-rise anchor point device to be increased or/and delete wireless connections and the high-rise binding relationship being connected; The binding update messages that high-rise anchor point device mobile terminal receive sends, according to the binding relationship information of the content update mobile terminal of binding update messages and wireless connections to realize soft handover, thereby make mobile terminal select according to demand suitable wireless network to communicate.
Figure 10 is the schematic flow sheet that soft handover of the present invention discharges former network.Concrete, as shown in figure 10, the present embodiment can comprise the steps:
Step S1001: when user need to carry out network service, mobile terminal-opening is searched for available wireless network, and sets up wireless connections;
Step S1002: mobile terminal has been registered mobile terminal to high-rise anchor point device and set up high-rise connection with the high level binding between wireless connections;
Step S1003: whether mobile terminal and the monitoring of high-rise anchor point device have data transmission/network to be connected whether to change (concrete, to please refer to Fig. 9 and Figure 10);
Step S1004: whether mobile terminal needs to interrupt high-rise connection with high-rise anchor point device monitoring.
In this step, if desired interrupt high-rise connection, perform step S1005; Otherwise, return to step S1003.
Step S1005: mobile terminal or high-rise anchor point device send logout message and nullify high-rise connection to opposite end.Referring to Fig. 7, Fig. 8, Fig. 9 and Figure 10, assumed wireless network 1 is WLAN net, and wireless network 2 is WiMAX nets.Current, mobile terminal follows high-rise anchor point device to set up connection by WLAN.
Find WiMAX net when mobile terminal and meet after access conditions, send binding update messages to high-rise anchor point device, set up (WiMAX) wireless connections and the high-rise binding relationship being connected.Suppose that mobile terminal has data to send, it can, according to predefined strategy, send by WLAN and WiMAX simultaneously.
Find when mobile terminal that again 3G net is eligible, just carry out Binding Update process, increase the binding relationship that 3G connects, if at this time WLAN is ineligible, carry out binding procedure, delete the binding relationship that WLAN connects.According to the strategy of setting, carry out data transmission by 3G and WiMAX.
Wireless link soft switching processing method based on high-rise anchor point device provided by the invention, upgrade binding relationship information between mobile terminal and wireless connections to realize the switching of wireless link by high-rise anchor point device, make the data communication between high-rise anchor point device and mobile terminal follow concrete radio network technique (as 3G network, WiMAX network) have nothing to do, improve the success rate of user network switching and the reliability of wireless transmission.
Finally it should be noted that: above each embodiment, only in order to technical scheme of the present invention to be described, is not intended to limit; Although the present invention is had been described in detail with reference to aforementioned each embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or some or all of technical characterictic is wherein equal to replacement; And these amendments or replacement do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (15)
1. the wireless link soft switching processing method based on high-rise anchor point, is characterized in that, comprising:
Binding relationship information between that high-rise anchor point mobile terminal receive sends, described mobile terminal and wireless network; Described binding relationship information comprises the mark of described mobile terminal and corresponding with described mark, the wireless network identification of at least one; Described mobile terminal with described at least one wireless network set up have or not line to be connected; Wherein, described wireless network is made up of at least one isomorphism and/or heterogeneous wireless network;
Described high-rise anchor point, according to the first strategy setting in advance, selects at least one wireless network as target radio network in binding relationship information, and sends downlink data by described target radio network to described mobile terminal;
Described mobile terminal, according to the second strategy setting in advance, by least one wireless network in described target radio network, receives the downlink data that described high-rise anchor point sends.
2. the wireless link soft switching processing method based on high-rise anchor point according to claim 1, is characterized in that, described in the first strategy and the second strategy that sets in advance that set in advance comprise: select former wireless network as target radio network; Or, select the good wireless network of signal quality as target radio network; Or, select wireless networks all in described binding relationship information as target radio network.
3. the wireless link soft switching processing method based on high-rise anchor point according to claim 1 and 2, is characterized in that, also comprises:
Described high-rise anchor point receives the lastest imformation of the increase binding relationship that described mobile terminal sends, and described lastest imformation comprises the mark of mobile terminal and corresponding with described mark, the wireless network identification of at least one that newly increase; Described mobile terminal with described at least one wireless network set up have or not line to be connected; Or
Described high-rise anchor point receives the lastest imformation of the deletion binding relationship that described mobile terminal sends, corresponding with described mark, the wireless network identification of at least one that described lastest imformation comprises the mark of mobile terminal and needs to delete; Described mobile terminal and described at least one wireless network have no longer been set up wireless connections.
4. the wireless link soft switching processing method based on high-rise anchor point according to claim 1 and 2, is characterized in that, also comprises:
Described high-rise anchor point is deleted the mark of the part wireless network in described binding relationship information, and sends the log-off message about the mark of described part wireless network to described mobile terminal.
5. the wireless link soft switching processing method based on high-rise anchor point, is characterized in that, comprising:
Mobile terminal with can set up wireless connections for described mobile terminal provides the wireless network of wireless service, and send the binding relationship information between described mobile terminal and wireless network to high-rise anchor point; Described binding relationship information comprises the mark of described mobile terminal and corresponding with described mark, the wireless network identification of at least one; Described mobile terminal with described at least one wireless network set up have or not line to be connected; Wherein, described wireless network is made up of at least one isomorphism and/or heterogeneous wireless network;
Described mobile terminal, according to the second strategy setting in advance, selects at least one wireless network as target radio network in binding relationship information, and sends upstream data by described target radio network to described high-rise anchor point;
The first strategy that described high-rise anchor point sets in advance according to anchor point, by least one of them wireless network in described target radio network, receives the upstream data that described mobile terminal sends.
6. the wireless link soft switching processing method based on high-rise anchor point according to claim 5, is characterized in that, described in set in advance first strategy and described in set in advance the second strategy comprise select former wireless network as target radio network; Or, select the good wireless network of signal quality as target radio network; Or, select wireless networks all in described binding relationship information as target radio network.
7. according to the wireless link soft switching processing method based on high-rise anchor point described in claim 5 or 6, it is characterized in that, also comprise:
Described mobile terminal sends the lastest imformation that increases binding relationship to described high-rise anchor point, described lastest imformation comprises the mark of mobile terminal and corresponding with described mark, the wireless network identification of at least one that newly increase; Described mobile terminal with described at least one wireless network set up have or not line to be connected; Or
Described mobile terminal sends the lastest imformation of deleting binding relationship to described high-rise anchor point, corresponding with described mark, the wireless network identification of at least one that described lastest imformation comprises the mark of mobile terminal and needs to delete; Described mobile terminal and described at least one wireless network have no longer been set up wireless connections.
8. according to the wireless link soft switching processing method based on high-rise anchor point described in claim 5 or 6, it is characterized in that, also comprise:
Described mobile terminal receives the log-off message that described high-rise anchor point sends, and in described binding relationship information, deletes the network identity that described log-off message comprises.
9. a high-rise anchor point device, is characterized in that, comprising:
The radio network interface unit of at least one, for setting up wireless connections with corresponding wireless network, and mobile terminal receive binding relationship information that send, between described mobile terminal and wireless network; Described binding relationship information comprises the mark of described mobile terminal and corresponding with described mark, the wireless network identification of at least one; Described mobile terminal with described at least one wireless network set up have or not line to be connected; Wherein, described wireless network is made up of at least one isomorphism and/or heterogeneous wireless network;
High-rise switching and grand diversity control unit, be connected with described at least one radio network interface unit, the first strategy setting in advance for basis, in binding relationship information, select at least one wireless network as target radio network, and send downlink data by corresponding radio network interface unit to described mobile terminal.
10. high-rise anchor point device according to claim 9, is characterized in that, described high-rise switch with grand diversity control unit also for:
The lastest imformation receiving according to described radio network interface unit, upgrades described binding relationship information.
11. high-rise anchor point devices according to claim 9, is characterized in that, described high-rise switch with grand diversity control unit also for:
Delete the mark of the part wireless network in described binding relationship information, and send the log-off message about described part wireless network identification by described radio network interface unit to described mobile terminal.
12. 1 kinds of mobile terminals, is characterized in that, comprising:
The radio interface unit of at least one, sets up wireless connections for corresponding wireless network, and sends the binding relationship information between described mobile terminal and wireless network to high-rise anchor point; Described binding relationship information comprises the mark of described mobile terminal and corresponding with described mark, the wireless network identification of at least one; Described mobile terminal with described at least one wireless network set up have or not line to be connected; Wherein, described wireless network is made up of at least one isomorphism and/or heterogeneous wireless network;
Control unit, be connected with described at least one radio interface unit, for according to the second strategy setting in advance, in binding relationship information, select at least one wireless network as target radio network, and send upstream data by corresponding radio interface unit to described high-rise anchor point.
13. mobile terminals according to claim 12, is characterized in that, described control unit also for:
Send to described high-rise anchor point the lastest imformation that described binding relationship information is upgraded by described radio interface unit.
14. mobile terminals according to claim 12, is characterized in that, described control unit also for:
Receive by described radio interface unit the log-off message that described high-rise anchor point sends, and in described binding relationship information, delete the network identity that described log-off message comprises.
15. 1 kinds of network systems, it is characterized in that, comprise the high-rise anchor point device as described in as arbitrary in claim 9-11, and mobile terminal as described in as arbitrary in claim 12-14, also comprise respectively at described high-rise anchor point device and described mobile terminal wireless connections, the wireless network of at least one.
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