CN104639305A - Wireless channel aggregation method and system for heterogeneous network - Google Patents
Wireless channel aggregation method and system for heterogeneous network Download PDFInfo
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Abstract
The invention provides a wireless channel aggregation method and system for a heterogeneous network. The method comprises the following steps: setting a network anchor for connecting various different networks in the heterogeneous network, wherein the network anchor is used for aggregating and forwarding data of various different networks in the heterogeneous network; and setting a network controller which is in communication connection with the network anchor and a user terminal separately, wherein the network controller is used for collecting information of different networks in the heterogeneous network and centrally controlling the wireless channel spectrum aggregation process of the heterogeneous network. According to the method and the system, the aspects of the transmission bandwidths of the networks, loads, the signing attribute of a user, the quality demands of services and the like are comprehensively considered, and the wireless transmission capabilities of the heterogeneous network are aggregated, so that an experience with higher throughput capability than a single network can be provided for the user.
Description
Technical field
The invention belongs to communication technical field, relate to a kind of communication means of heterogeneous network, particularly relate to a kind of wireless channel polymerization and system of heterogeneous network.
Background technology
Along with the fast development of wireless communication technology, continuing to bring out of various application newly, requires constantly to improve to the handling capacity of eating dishes without rice or wine of radio communication, facilitates the continuous evolution of mobile communication technology.Mobile communication technology is from 2G to 3G, arrive 4G again, WLAN (wireless local area network) WiFi(Wireless Fidelity, WLAN (wireless local area network) based on IEEE 802.11 standard) evolve to 802.11ac from 802.11 a/b/g/n, make bandwidth of air-interface rise to MBPS from kilobits per second, then rise to giga bits per second.Along with 5G(the 5th third-generation mobile communication technology) proposition of concept, 5G requires to eat dishes without rice or wine throughput on the basis in 4G epoch, then promotes 100 times.For meeting this generic request, 5G technical requirement is introduced more carrier frequency resource to promote throughput of eating dishes without rice or wine.LTE(Long Term Evolution, Long Term Evolution) the multiple spectra polymerization technique of technical support, be the spectrum aggregating technology in a kind of homogeneous network, the spectral bandwidth of 5 carrier waves 100MHz altogether can be polymerized at most.
Following wireless communication field, the radio network technique for various application demand can continue to bring out, and these radio network techniques determine to replace another radio network technique by a kind of radio network technique due to technical characterstics different separately.Such as LTE technology cannot replace the WiFi technology for solving the application of hot zones wideband data, and equally, WiFi technology also cannot replace LTE technology.
Therefore how the data throughput capabilities of different heterogeneous networks is superposed, a kind of method of the handling capacity larger than single network is provided, for user provides larger throughput of eating dishes without rice or wine just to become a urgent problem.
Summary of the invention
In view of the above, the object of the present invention is to provide a kind of wireless channel polymerization and system of heterogeneous network, for providing the data throughput capabilities larger than single network carrying user data.
For achieving the above object and other relevant objects, the invention provides a kind of wireless channel polymerization and system of heterogeneous network.
A wireless channel polymerization for heterogeneous network, comprising: arrange the network anchor point for connecting each heterogeneous networks in heterogeneous network; Described network anchor point is responsible for the data converging, forward each heterogeneous networks in heterogeneous network; To arrange and described network anchor point and user terminal communicate the network controller be connected respectively; Described network controller is responsible for the information of collecting heterogeneous networks in heterogeneous network, the wireless channel spectrum polymerization process of centralized control heterogeneous network; Described polymerization process comprises: network controller controls the mapping process of user data at least 1 data transmission tunnel by issuing forwarding strategy to network anchor point and user terminal, so that the data received from data transmission tunnel are passed to the application layer of self by user terminal, or network anchor point by the data retransmission that receives from data transmission tunnel to external network
Preferably, activate between described user terminal and network anchor point and have many data transmission tunnel, described many data transmission tunnel constitute the data path of many parallel transmissions between user terminal and network anchor point; Pieces of data transmission tunnel is carried in the different network transmission protocols.
Preferably, described polymerization process comprises the spectrum aggregating process based on quality of wireless channel, specifically comprises: network controller receives the up-downgoing quality of wireless channel information of the user terminal that the wireless base station of heterogeneous networks in heterogeneous network or WAP (wireless access point) report; Network controller is collected the throughput of data transmission tunnel, the data packet transmission that activate and is postponed and transmission delay jitter and packet packet loss at network anchor point place; Collect the information on load of wireless network belonging to nonactivated data transmission tunnel; Network controller will not meet the tunnel deexcitation of default quality of wireless channel condition in the data transmission tunnel of activation, will meet the tunnel activation of default quality of wireless channel condition in nonactivated data transmission tunnel.
Preferably, described polymerization process comprises the spectrum aggregating process based on Stream Control Transmission Protocol, specifically comprises: have at least 2 communication networks between user terminal and network anchor point, and each communication network all can set up 1 data transmission tunnel; Communication network between user terminal and network anchor point be LTE network and WiFi network time, construct a SCTP tunnel by LTE network between user terminal and network anchor point, construct the 2nd SCTP tunnel by WiFi network; The corresponding C1/S1 port in a described SCTP tunnel, the corresponding C2/S2 port in the 2nd SCTP tunnel; The first subnet in the corresponding heterogeneous network of LTE network, the second subnet in the corresponding heterogeneous network of WiFi network, the first subnet and the second subnet constitute the data transmission network between user terminal to network anchor point; The SCTP built in first subnet flows through C1/S1 port transmission, and the SCTP built in the second subnet flows through C2/S2 port transmission; User terminal by business datum with the form of SCTP stream packets respectively by a SCTP tunnel and the 2nd SCTP tunnel transmission to network anchor point, the SCTP stream packets received is taken apart by network anchor point, peel off the physical layer protocol of SCTP flow data, link layer protocol, IP layer protocol and SCTP layer protocol, obtain business datum and carry out subsequent treatment.
Preferably, described communication network comprises LTE network, WiFi network, mobile network, WiMax net or/and the Internet.
Preferably, described polymerization process comprises the spectrum aggregating process based on GTP agreement, specifically comprises: the identity context information of network controller maintenance customer terminal; Described identity context information comprises the IP address of user terminal in network anchor point network and the GTP tunnel mark of user terminal; In network controller maintaining network anchor point, business datum is to the mapping ruler of data transmission tunnel, so that business datum is mapped in corresponding data transmission tunnel according to mapping ruler by network anchor point.
Preferably, described polymerization process also comprises data-mapping to the setting of the mapping ruler in data transmission tunnel and adjustment process, specifically comprise: network controller collects the information on load of every bar data transmission tunnel belonging network, the load condition of statistics network, and according to the link-quality redjustment and modification of every bar data transmission tunnel mapping ruler, by data-mapping in the data transmission tunnel meeting link quality requirement.
A kind of wireless channel paradigmatic system of heterogeneous network, comprise: network anchor point, being arranged in heterogeneous network between each heterogeneous networks, for connecting each heterogeneous networks in heterogeneous network, and receiving, converging, forward the data of each heterogeneous networks in heterogeneous network; Network controller, to communicate respectively with user terminal with described network anchor point and is connected, and is responsible for the information of collecting heterogeneous networks in heterogeneous network, the wireless channel spectrum polymerization process of centralized control heterogeneous network; Described polymerization process comprises: network controller controls the mapping process of user data at least 1 data transmission tunnel by issuing forwarding strategy to network anchor point and user terminal, so that the data received from data transmission tunnel are passed to the application layer of self by user terminal, or network anchor point by the data retransmission that receives from data transmission tunnel to external network.
Preferably, activate between described user terminal and network anchor point and have many data transmission tunnel, described many data transmission tunnel constitute the data path of many parallel transmissions between user terminal and network anchor point; Described data transmission tunnel is the communication channel between network anchor point and user terminal; Pieces of data transmission tunnel is carried in the different network transmission protocols.
Preferably, the data transmission tunnel of activation and nonactivated data transmission tunnel is provided with between described user terminal and network anchor point.
Preferably, have at least 2 communication networks between user terminal and network anchor point, each communication network all can set up 1 data transmission tunnel; Communication network between user terminal and network anchor point be LTE network and WiFi network time, a SCTP tunnel is constructed by LTE network between user terminal and network anchor point, the 2nd SCTP tunnel is constructed by WiFi network, the then corresponding C1/S1 port in a described SCTP tunnel, the corresponding C2/S2 port in the 2nd SCTP tunnel; The first subnet in the corresponding heterogeneous network of LTE network, the second subnet in the corresponding heterogeneous network of WiFi network, the first subnet and the second subnet constitute the data transmission network between user terminal to network anchor point; The SCTP built in first subnet flows through C1/S1 port transmission, and the SCTP built in the second subnet flows through C2/S2 port transmission.
Preferably, described communication network comprises LTE network, WiFi network, mobile network, WiMax net or/and the Internet.
As mentioned above, the wireless channel polymerization of heterogeneous network of the present invention and system, have following beneficial effect:
The present invention has considered transmission bandwidth, load, the aspect such as the signing attribute of user and the quality requirement of business of network, the wireless transmission capability of heterogeneous network is aggregated in again and again, reaches the experience that the larger handling capacity of a kind of ratio single network forming network can be provided to user.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of the wireless channel polymerization of heterogeneous network of the present invention.
Fig. 2 is the schematic flow sheet of the spectrum aggregating process based on quality of wireless channel of the present invention.
Fig. 3 a and Fig. 3 b is respectively scene schematic diagram and the schematic flow sheet of the spectrum aggregating process based on Stream Control Transmission Protocol of the present invention.
Fig. 4 is the mapping structure schematic diagram of Stream Control Transmission Protocol stack of the present invention.
Fig. 5 is the schematic flow sheet of the spectrum aggregating process based on GTP agreement of the present invention.
Fig. 6 is the schematic diagram of the mapping structure of GTP protocol stack of the present invention.
Fig. 7 is the setting of mapping ruler of the present invention and the schematic flow sheet of adjustment process.
Fig. 8 is the structural representation of the wireless channel paradigmatic system of heterogeneous network of the present invention.
Element numbers explanation
810 network controllers
820 network anchor point
830 user terminals
840 data transmission tunnel
Embodiment
Below by way of specific instantiation, embodiments of the present invention are described, those skilled in the art the content disclosed by this specification can understand other advantages of the present invention and effect easily.The present invention can also be implemented or be applied by embodiments different in addition, and the every details in this specification also can based on different viewpoints and application, carries out various modification or change not deviating under spirit of the present invention.
Refer to accompanying drawing.It should be noted that, the diagram provided in the present embodiment only illustrates basic conception of the present invention in a schematic way, then only the assembly relevant with the present invention is shown in graphic but not component count, shape and size when implementing according to reality is drawn, it is actual when implementing, and the kenel of each assembly, quantity and ratio can be a kind of change arbitrarily, and its assembly layout kenel also may be more complicated.
Below in conjunction with embodiment and accompanying drawing, the present invention is described in detail.
Embodiment
The present embodiment provides a kind of wireless channel polymerization of heterogeneous network, and as shown in Figure 1, the wireless channel polymerization of described heterogeneous network comprises:
Network anchor point for connecting each heterogeneous networks in heterogeneous network is set; Described network anchor point is responsible for the data converging, forward each heterogeneous networks in heterogeneous network; Network anchor point connects the heterogeneous networks (also can be described as the sub-network in heterogeneous network) in heterogeneous network respectively, is the convergence point of heterogeneous network.
To arrange and described network anchor point and user terminal communicate the network controller be connected respectively; Described network controller is responsible for the information of collecting heterogeneous networks in heterogeneous network, the wireless channel spectrum polymerization process of centralized control heterogeneous network; Described polymerization process comprises: network controller controls each heterogeneous networks data-mapping by issuing forwarding strategy to network anchor point and user terminal transmits, so that the data received from data transmission tunnel are passed to the application layer of self by user terminal at least 1 data transmission tunnel set up between network anchor point and user terminal.That is, network controller controls many data transmission tunnel set up between user terminal and network anchor point by different isomerization network, data send by user terminal in many tunnels, data finally converge in network anchor point, that is unified by network anchor point is sent to external network, and described external network is the network outside heterogeneous network.The forwarding strategy that network anchor point issues according to network controller, transmits data-mapping in different tunnels.User terminal receives the data in many tunnels, passes to the application layer of user terminal.
Wherein, activate between described user terminal and network anchor point and have many data transmission tunnel, described many data transmission tunnel constitute the data path of many parallel transmissions between user terminal and network anchor point; Pieces of data transmission tunnel all adopts the different network transmission protocols.Described data transmission tunnel has the feature of multiaddress, many hosts, multithread, can provide stable, orderly and reliable data delivery service between two communication end points.The forming process in the tunnel between user terminal and network anchor point comprises to be set up tunnel, activation tunnel, deexcitation tunnel and removes tunnel.
Further, described polymerization process comprises the spectrum aggregating process based on quality of wireless channel, as shown in Figure 2, specifically comprises:
Network controller receives the up-downgoing quality of wireless channel information of the user terminal that the wireless base station of heterogeneous networks in heterogeneous network or WAP (wireless access point) report; Wherein, wireless base station or WAP (wireless access point) collect the downlink wireless channel quality information of user terminal to send up, measure the uplink wireless channel quality information of user terminal, then by the up-downgoing quality of wireless channel information reporting of user terminal to network controller.
Network controller is collected the throughput of data transmission tunnel, the data packet transmission that activate and is postponed and transmission delay jitter and packet packet loss at network anchor point place; Collect the information on load of wireless network belonging to nonactivated data transmission tunnel;
Network controller will not meet the tunnel deexcitation of default quality of wireless channel condition in the data transmission tunnel of activation, will meet the tunnel activation of default quality of wireless channel condition in nonactivated data transmission tunnel.Further, the tunnel set up between user terminal and network anchor point (abbreviation of data transmission tunnel) is divided into 2 set by network controller, is respectively Active Set and inactive set.Wherein, the deactivation process of Active Set comprises: when up or downlink wireless channel quality are worse than a thresholding WirelessQThd1 preset, and meets with deactivating condition for the moment, by tunnel deexcitation, transfers to inactive set from Active Set.The deactivation process in tunnel needs to avoid single-pass, i.e. a direction deexcitation, and another one direction keeps state of activation.Deexcitation condition comprises:
1) throughput in tunnel is lower than the quality requirement needed for QoS of survice;
2) or the transmission delay of packet or transmission delay jitter be greater than thresholding DelayThd, the DelayVThd preset;
3) or data packetloss rate be greater than a thresholding PacketLossThd preset
The activation of inactive set is as follows: when uplink and downlink quality of wireless channel is better than a thresholding WirelessQThd2 preset, and when the wireless network load belonging to tunnel is in low or middle state, network controller, by tunnel activation, makes tunnel transfer to Active Set from inactive set.
Described polymerization process comprises the spectrum aggregating process based on Stream Control Transmission Protocol, specifically comprises: have at least 2 communication networks between user terminal and network anchor point, builds a SCTP tunnel respectively by each communication network; The corresponding Cx/Sx port in every bar SCTP tunnel, the wherein SCTP port of C representative of consumer end, S represents the SCTP port at network anchor point place, x and communication network correspondence; Multiple communication network constitutes many data transmission channels between user terminal to network anchor point; Data flow in each communication network is by the transmission of Cx/Sx port; User terminal by business datum with the form of SCTP stream packets respectively by every bar SCTP tunnel transmission to network anchor point, network anchor point converges the data in every bar tunnel, and is transmitted to external network.If by the corresponding Cx/Sx port in every bar SCTP tunnel between described user terminal and network anchor point; Each heterogeneous network constitutes the transfer of data subnet between user terminal to network anchor point; Data in each transfer of data subnet are by corresponding Cx/Sx port transmission.
As shown in Figure 3 a and Figure 3 b shows, between user terminal and network anchor point, construct a SCTP tunnel by LTE network, construct the 2nd SCTP tunnel by WiFi network; The corresponding C1/S1 port in a described SCTP tunnel, the corresponding C2/S2 port in the 2nd SCTP tunnel; The first subnet in the corresponding heterogeneous network of LTE network, the second subnet in the corresponding heterogeneous network of WiFi network, the first subnet and the second subnet constitute the data transmission network between user terminal to network anchor point; The SCTP built in first subnet flows through C1/S1 port transmission, and the SCTP built in the second subnet flows through C2/S2 port transmission;
User terminal by business (comprising business 1 and business 2) data with the form of SCTP stream packets respectively by a SCTP tunnel and the 2nd SCTP tunnel transmission to network anchor point, the SCTP stream packets received is taken apart by network anchor point, peel off the physical layer protocol of SCTP flow data, link layer protocol, IP layer protocol and SCTP layer protocol, obtain business datum and carry out subsequent treatment.Wherein, the mapping structure of Stream Control Transmission Protocol stack as shown in Figure 4.
As shown in Figure 5, described polymerization process comprises the spectrum aggregating process based on GTP agreement, specifically comprises:
The identity context information of network controller maintenance customer terminal; Described identity context information comprises the IP address of user terminal in network anchor point network and the GTP tunnel mark of user terminal; Network anchor point network refers to the network that multiple network anchor point forms.
In network controller maintaining network anchor point, business datum is to the mapping ruler of data transmission tunnel, so that business datum is mapped in corresponding data transmission tunnel according to mapping ruler by network anchor point.Wherein, the mapping structure of GTP protocol stack as shown in Figure 6.
As shown in Figure 7, described polymerization process also comprises data-mapping to the setting of the mapping ruler in data transmission tunnel and adjustment process, specifically comprises:
Network controller collects the information on load of every bar data transmission tunnel belonging network, the load condition of statistics network, and according to the link-quality redjustment and modification of every bar data transmission tunnel mapping ruler, data-mapping is transmitted on the data transmission tunnel meeting link quality requirement.Wherein, the information on load of network comprises packet packet loss information, data packet transmission deferred message etc. in the number information of terminal in the throughput information of each WAP (wireless access point) in network, network, network, wherein, packet packet loss information and data packet transmission deferred message can as the judgment condition of assessing link quality.By the statistical analysis to network load information, the mapping ruler of data to tunnel can be adjusted.The adjustment etc. of the adjustment that the method for adjustment of mapping ruler comprises adjustment according to network load state, require according to service attribute and the signing attribute according to user.The load condition of network is the data throughout of network and the weighted sum of attachment terminal number, wherein adheres to the weight coefficient of weight coefficient higher than the data throughout of network of terminal number.
The present embodiment also provides a kind of wireless channel paradigmatic system of heterogeneous network, this system can realize the wireless channel polymerization of heterogeneous network of the present invention, but the implement device of the wireless channel of heterogeneous network of the present invention polymerization includes but not limited to the wireless channel paradigmatic system of heterogeneous network of the present invention.
As shown in Figure 8, the wireless channel paradigmatic system of described heterogeneous network comprises: network controller 810, network anchor point 820, user terminal 830.Described network anchor point 820 is arranged in heterogeneous network between each heterogeneous networks, for connecting each heterogeneous networks in heterogeneous network, and receives, forwards the data of each heterogeneous networks in heterogeneous network.Described network controller 810 and described network anchor point 820 communicate respectively with user terminal 830 and are connected, and are responsible for the information of collecting heterogeneous networks in heterogeneous network, the wireless channel spectrum polymerization process of centralized control heterogeneous network; Described polymerization process comprises: network controller controls each heterogeneous networks data-mapping by issuing forwarding strategy to network anchor point and user terminal transmits, so that the data received from data transmission tunnel are passed to the application layer of self by user terminal on the data transmission tunnel of at least 1 between network anchor point and user terminal.
Further, activate between described user terminal 830 and network anchor point 820 and have many data transmission tunnel 840, described many data transmission tunnel constitute the data path of many parallel transmissions between user terminal and network anchor point; Described data transmission tunnel is the communication channel between network anchor point and user terminal; Pieces of data transmission tunnel adopts the different network transmission protocols.
The data transmission tunnel of activation and nonactivated data transmission tunnel is provided with between described user terminal 830 and network anchor point 820.
If construct a SCTP tunnel by LTE network between described user terminal 830 and network anchor point 820, construct the 2nd SCTP tunnel by WiFi network, then the corresponding C1/S1 port in a described SCTP tunnel, the corresponding C2/S2 port in the 2nd SCTP tunnel; The first subnet in the corresponding heterogeneous network of LTE network, the second subnet in the corresponding heterogeneous network of WiFi network, the first subnet and the second subnet constitute the data transmission network between user terminal to network anchor point; The SCTP built in first subnet flows through C1/S1 port transmission, and the SCTP built in the second subnet flows through C2/S2 port transmission.
The wireless channel spectrum polymerization process of heterogeneous network of the present invention operand be dissimilar wireless network, be not limited to the LTE network enumerated of the present invention and WiFi network two type.The spectrum aggregating point of heterogeneous network is the network anchor point connecting heterogeneous network, and the unification of polymerization control procedure is responsible for by network controller.User terminal all establishes with LTE network, WiFi network respectively and eats dishes without rice or wine to link.Network controller controls to set up the tunnel by LTE network and the tunnel by WiFi network respectively between user terminal and network anchor point.Network anchor point converges the data in many tunnels, externally forwarded.Network anchor point receives the data of external network, distributing data on many tunnels.Network controller collection network state information, upgrades the data-mapping rule in network anchor point.
The merging of the data throughput capabilities of multi-level heterogeneous wireless network can be supplied to user terminal by the present invention, provides the data throughput capabilities larger than single wireless network.Under the control of network controller, tunnel is activated and the bookkeeping of deexcitation bookkeeping and data-mapping rule, can according to the load condition of network and link-quality, the tunnel condensed together is managed, be easy to the coordination of the transfer of data realized between the multi-level wireless network of isomery, improve the satisfaction of user terminal to network service.
Visible, the present invention has considered transmission bandwidth, load, the aspect such as the signing attribute of user and the quality requirement of business of network, the wireless transmission capability of heterogeneous network is aggregated in again and again, reaches the experience that the larger handling capacity of a kind of ratio single network forming network can be provided to user.
In sum, the present invention effectively overcomes various shortcoming of the prior art and tool high industrial utilization.
Above-described embodiment is illustrative principle of the present invention and effect thereof only, but not for limiting the present invention.Any person skilled in the art scholar all without prejudice under spirit of the present invention and category, can modify above-described embodiment or changes.Therefore, such as have in art usually know the knowledgeable do not depart from complete under disclosed spirit and technological thought all equivalence modify or change, must be contained by claim of the present invention.
Claims (12)
1. a wireless channel polymerization for heterogeneous network, is characterized in that, the wireless channel polymerization of described heterogeneous network comprises:
Network anchor point for connecting each heterogeneous networks in heterogeneous network is set; Described network anchor point is responsible for the data converging, forward each heterogeneous networks in heterogeneous network;
To arrange and described network anchor point and user terminal communicate the network controller be connected respectively; Described network controller is responsible for the information of collecting heterogeneous networks in heterogeneous network, the wireless channel spectrum polymerization process of centralized control heterogeneous network; Described polymerization process comprises: network controller controls the mapping process of user data at least 1 data transmission tunnel by issuing forwarding strategy to network anchor point and user terminal, so that the data received from data transmission tunnel are passed to the application layer of self by user terminal, or network anchor point by the data retransmission that receives from data transmission tunnel to external network.
2. the wireless channel polymerization of heterogeneous network according to claim 1, it is characterized in that: activating between described user terminal and network anchor point has many data transmission tunnel, and described many data transmission tunnel constitute the data path of many parallel transmissions between user terminal and network anchor point; Pieces of data transmission tunnel is carried in the different network transmission protocols.
3. the wireless channel polymerization of heterogeneous network according to claim 2, is characterized in that, described polymerization process comprises the spectrum aggregating process based on quality of wireless channel, specifically comprises:
Network controller receives the up-downgoing quality of wireless channel information of the user terminal that the wireless base station of heterogeneous networks in heterogeneous network or WAP (wireless access point) report;
Network controller is collected the throughput of data transmission tunnel, the data packet transmission that activate and is postponed and transmission delay jitter and packet packet loss at network anchor point place; Collect the information on load of wireless network belonging to nonactivated data transmission tunnel;
Network controller will not meet the tunnel deexcitation of default quality of wireless channel condition in the data transmission tunnel of activation, will meet the tunnel activation of default quality of wireless channel condition in nonactivated data transmission tunnel.
4. the wireless channel polymerization of heterogeneous network according to claim 2, is characterized in that, described polymerization process comprises the spectrum aggregating process based on Stream Control Transmission Protocol, specifically comprises:
There are between user terminal and network anchor point at least 2 communication networks, build a SCTP tunnel respectively by each communication network; The corresponding Cx/Sx port in every bar SCTP tunnel, the wherein SCTP port of C representative of consumer end, S represents the SCTP port at network anchor point place, x and communication network correspondence; Multiple communication network constitutes many data transmission channels between user terminal to network anchor point; Data flow in each communication network is by the transmission of Cx/Sx port; User terminal by business datum with the form of SCTP stream packets respectively by every bar SCTP tunnel transmission to network anchor point, network anchor point converges the data in every bar tunnel, and is transmitted to external network;
User terminal by business datum with the form of SCTP stream packets respectively by a SCTP tunnel and the 2nd SCTP tunnel transmission to network anchor point, the SCTP stream packets received is taken apart by network anchor point, peel off the physical layer protocol of SCTP flow data, link layer protocol, IP layer protocol and SCTP layer protocol, obtain business datum and carry out subsequent treatment.
5. the wireless channel polymerization of heterogeneous network according to claim 4, is characterized in that: described communication network comprises LTE network, WiFi network, mobile network, WiMax net or/and the Internet.
6. the wireless channel polymerization of heterogeneous network according to claim 2, is characterized in that, described polymerization process comprises the spectrum aggregating process based on GTP agreement, specifically comprises:
The identity context information of network controller maintenance customer terminal; Described identity context information comprises the IP address of user terminal in network anchor point network and the GTP tunnel mark of user terminal;
In network controller maintaining network anchor point, business datum is to the mapping ruler of data transmission tunnel, so that business datum is mapped in corresponding data transmission tunnel according to mapping ruler by network anchor point.
7. the wireless channel polymerization of heterogeneous network according to claim 2, is characterized in that, described polymerization process also comprises data-mapping to the setting of the mapping ruler in data transmission tunnel and adjustment process, specifically comprises:
Network controller collects the information on load of every bar data transmission tunnel belonging network, the load condition of statistics network, and according to the link-quality redjustment and modification of every bar data transmission tunnel mapping ruler, by data-mapping in the data transmission tunnel meeting link quality requirement.
8. a wireless channel paradigmatic system for heterogeneous network, is characterized in that, the wireless channel paradigmatic system of described heterogeneous network comprises:
Network anchor point, is arranged in heterogeneous network between each heterogeneous networks, for connecting each heterogeneous networks in heterogeneous network, and receives, converges, forwards the data of each heterogeneous networks in heterogeneous network;
Network controller, to communicate respectively with user terminal with described network anchor point and is connected, and is responsible for the information of collecting heterogeneous networks in heterogeneous network, the wireless channel spectrum polymerization process of centralized control heterogeneous network; Described polymerization process comprises: network controller controls the mapping process of user data at least 1 data transmission tunnel by issuing forwarding strategy to network anchor point and user terminal, so that the data received from data transmission tunnel are passed to the application layer of self by user terminal, or network anchor point by the data retransmission that receives from data transmission tunnel to external network.
9. the wireless channel paradigmatic system of heterogeneous network according to claim 8, it is characterized in that: activating between described user terminal and network anchor point has many data transmission tunnel, and described many data transmission tunnel constitute the data path of many parallel transmissions between user terminal and network anchor point; Described data transmission tunnel is the communication channel between network anchor point and user terminal; Pieces of data transmission tunnel is carried on the different network transmission protocols.
10. the wireless channel paradigmatic system of heterogeneous network according to claim 8, is characterized in that: be provided with the data transmission tunnel of activation and nonactivated data transmission tunnel between described user terminal and network anchor point.
The wireless channel paradigmatic system of the heterogeneous network described in 11. according to Claim 8 to 10 any one, is characterized in that: have at least 2 communication networks between user terminal and network anchor point, builds a SCTP tunnel respectively by each communication network; The corresponding Cx/Sx port in every bar SCTP tunnel, the wherein SCTP port of C representative of consumer end, S represents the SCTP port at network anchor point place, x and communication network correspondence; Multiple communication network constitutes many data transmission channels between user terminal to network anchor point; Data flow in each communication network is by the transmission of Cx/Sx port; User terminal by business datum with the form of SCTP stream packets respectively by every bar SCTP tunnel transmission to network anchor point, network anchor point converges the data in every bar tunnel, and is transmitted to external network.
The wireless channel paradigmatic system of 12. heterogeneous networks according to claim 11, is characterized in that: described communication network comprises LTE network, WiFi network, mobile network, WiMax net or/and the Internet.
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| CN109120524A (en) * | 2018-08-23 | 2019-01-01 | Oppo广东移动通信有限公司 | Link aggregation method and relevant device |
| TWI708486B (en) * | 2018-12-10 | 2020-10-21 | 聯發科技股份有限公司 | Wireless communication method and associated wireless device |
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| CN106714006B (en) * | 2017-02-10 | 2019-08-09 | 福州大学 | A kind of heterogeneous wireless network multi-channel video parallel transmission method based on unicast broadcast technology |
| CN107566166A (en) * | 2017-08-20 | 2018-01-09 | 中国人民解放军理工大学 | A kind of integrated expansible communicator and method of simplified terminal configuration operation |
| CN107566166B (en) * | 2017-08-20 | 2021-01-15 | 中国人民解放军理工大学 | Integrated extensible communication device and method for simplifying terminal configuration operation |
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| CN109120524B (en) * | 2018-08-23 | 2020-12-08 | Oppo广东移动通信有限公司 | Link aggregation method and related equipment |
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