CN105722152A - Heterogeneous network data parallel transmission system and method - Google Patents
Heterogeneous network data parallel transmission system and method Download PDFInfo
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- CN105722152A CN105722152A CN201610102645.5A CN201610102645A CN105722152A CN 105722152 A CN105722152 A CN 105722152A CN 201610102645 A CN201610102645 A CN 201610102645A CN 105722152 A CN105722152 A CN 105722152A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/08—Load balancing or load distribution
- H04W28/082—Load balancing or load distribution among bearers or channels
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/10—Flow control; Congestion control
- H04L47/12—Avoiding congestion; Recovering from congestion
- H04L47/125—Avoiding congestion; Recovering from congestion by balancing the load, e.g. traffic engineering
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- Computer Networks & Wireless Communication (AREA)
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- Mobile Radio Communication Systems (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The invention discloses a heterogeneous network data parallel transmission system. The system comprises a multi-mode terminal, an aggregation server and a transmission control unit; the multi-mode terminal comprises an LTE wireless network card and a WiFi access wireless network card; the aggregation server provides LTE mobile cellular access and wifi access for the multi-mode terminal at the same time; the transmission control unit is used for periodically detecting each physical link bandwidth, shunting according to a detected bandwidth proportion and moreover sorting received service data packets by using a receiving window. Correspondingly, the invention also provides a downlink transmission method and uplink transmission method based on the system. According to the system and the methods, the problem that a relatively high transmission rate cannot be realized by a single access technique because of limitations of factors such as bandwidths is solved; the advantages of two access techniques are utilized fully; parallel transmission between the two access techniques is realized; and therefore, the total transmission rate of the data is greatly increased, and the pursuit of a user for high rate transmission is satisfied.
Description
Technical field
The invention belongs to mobile communication technology and wireless local area network technology field, more particularly, to a kind of heterogeneous network data parallel transmission system and method.
Background technology
At present, due to the fast development of multimedia technology, and the quick of the mobile terminal such as smart mobile phone and panel computer is popularized, and user is more and more higher to the pursuit of limit speed of surfing the Internet.But, owing to the new techniques rare, various of frequency resource have had been used up ultimate attainment, want quickly to improve transfer rate further extremely difficult, single is accessed network technology and can not meet far away user's pursuit to high transfer rate.
Meanwhile, in recent years due to the fast development of wireless technology, substantial amounts of mobile cellular base station and wifi access point are disposed widely, and overlapping covering, often in same region, overlap is coated with substantial amounts of WAP.Mobile cellular base station range is wide, the ambulant support of user is relatively good, and wifi coverage is little, but disposes flexibly, and transfer rate is high.If able to utilize the advantage of mobile cellular technology and wifi fully, two kinds of access technologies being merged, by the transfer rate of lifting data at double, and cost is little, it is possible to well meet user's demand to high transfer rate.
For this, substantial amounts of research is put in the fusion of mobile cellular and wifi technology, and proposes many integration programs.Wherein comparatively influential scheme is to be proposed I-WLAN and GAN scheme by IEEE tissue.But, currently existing scheme primary focus is in that by the core net of mobile cellular wifi network to be managed and control, make great efforts using wifi as a kind of access way accessing mobile cellular network, it is emphasised that allow user have more selection to access mobile cellular network, be the mode of a kind of switching.Although, user can select the good access point of channel circumstance to access in cellular basestation and wifi access point, thus improving transfer rate to a certain extent.But, it will be seen that each moment we be merely able to utilize one of which access technology to carry out data transmission, its transfer rate to be still subject to the restriction of single access technology, it is impossible to fundamentally solve user's needs of problems to two-forty.
Summary of the invention
Disadvantages described above or deficiency for prior art, it is provided that a kind of heterogeneous network data parallel transmission system and method.The present invention can effectively solve the problem that single access technology is unable to reach higher transmission rates by the restriction of the factors such as bandwidth, the advantage utilizing two kinds of access technologies fully, realize concurrent transmission therebetween, thus greatly improving the overall transmission rate of data, meet user's pursuit to high speed data transfers.
For achieving the above object, according to one aspect of the invention, it is proposed that a kind of heterogeneous network data parallel transmission system, including multimode terminal, convergence server and transmission control unit, wherein,
Described multimode terminal, accesses wireless network card including at least one LTE wireless network card and multiple WiFi；
Described convergence server, is joined directly together by network interface and multiple wifi access points, is connected with LTE base station through LTE core network by network interface meanwhile, provides LTE mobile cellular to access to described multimode terminal simultaneously and wifi accesses；
Described transmission control unit, for being periodically detected each physical link bandwidth, and according to described each physical link bandwidth, the business data packet of transmission is tapped, simultaneously, receive the business data packet of transmission from each physical link, utilize reception window that the business data packet of transmission is carried out whole sequence.
As it is further preferred that described multimode terminal and described convergence server are respectively mounted Microsoft Loopback Adapter.
As it is further preferred that described convergence server also includes network address conversion module.
It is another aspect of this invention to provide that propose a kind of heterogeneous network data downstream transmission method based on said system, described method includes:
(1) in wide area network, opposite end main frame responds after receiving business data packet, and described business data packet purpose IP is converted to multimode terminal Microsoft Loopback Adapter purpose IP by network address conversion module after arriving convergence server gateway WAN by business data packet；
(2) after route, described business data packet is forwarded to convergence server Microsoft Loopback Adapter；
(3) described convergence server Microsoft Loopback Adapter calls transmission control unit；
(4) described transmission control unit obtains business data packet, self-defined encapsulation serial number, according to cycle detection each physical link bandwidth ratio, business data packet is tapped, and calls socket interface and sends business data packet to multimode terminal Microsoft Loopback Adapter；
(5) multimode terminal Microsoft Loopback Adapter calls described transmission control unit；
(6) described transmission control unit calls socket packet receiving function and receives the business data packet come from convergence server transmission, releases serial number and also it is carried out whole sequence；
(7) business data packet after whole sequence being write purpose multimode terminal Microsoft Loopback Adapter, process after route through protocol stack, business data packet arrives consumer process.
It is another aspect of this invention to provide that propose a kind of heterogeneous network data upstream transmission method based on said system, described method includes:
(1) multimode terminal binds its Microsoft Loopback Adapter IP for online IP, and consumer process produces business data packet by multimode terminal Microsoft Loopback Adapter；
(2) multimode terminal Microsoft Loopback Adapter calls transmission control unit；
(3) described transmission control unit obtains business data packet, self-defined encapsulation serial number, taps according to recording bandwidth ratio, calls socket interface and sends the business data packet corresponding network interface to gateway from actual network interface card；
(4) convergence server Microsoft Loopback Adapter calls transmission control unit；
(5) described transmission control unit calls socket packet receiving function and receives described business data packet, releases serial number and it is carried out whole sequence；
(6) the business data packet write convergence server Microsoft Loopback Adapter that will receive, after transferring to protocol stack to process route, business datum forwards a packet to convergence server gateway WAN mouth, after business data packet source address being converted to gateway WAN port address by network address conversion module, send it to opposite end main frame in wide area network.
In general, according to point of the present invention above technical scheme compared with prior art, mainly possess following technological merit:
1, the present invention utilizes the present situation that LTE and wifi overlap covers fully, when not promoting bandwidth and innovation access technology at double promote the total transmission bandwidth of user, simply and effectively meet user's pursuit to limited transmission speed；
2, in addition, upper-layer service, by installing Microsoft Loopback Adapter in convergence server and multimode terminal, is provided a unified IP address so that the difference of the complete imperceptible underlying physical links of upper-layer service by the present invention, just as a link work, greatly improve Consumer's Experience.
Accompanying drawing explanation
The system structure schematic diagram of heterogeneous network data parallel of the present invention transmission when Fig. 1 is single multimode terminal access；
Fig. 2 is the heterogeneous network data downstream transmission method flow chart based on said system；
Fig. 3 is the heterogeneous network data upstream transmission method flow diagram based on said system.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the present invention, is not intended to limit the present invention.
When Fig. 1 is single multimode terminal access, the system structure schematic diagram of heterogeneous network data parallel of the present invention transmission, including multimode terminal, convergence server and transmission control unit, is described in detail each part below.
Described multimode terminal is exactly mainly as client, in order to realize the parallel transmission of LTE-wifi and wifi-wifi, it has multiple wireless network card, generally having at least one LTE wireless network card and multiple wifi being connected with wifi access point to access wireless network card in our framework, multimode terminal supports the agreement of two kinds of different radio access waies of LTE and wifi simultaneously.
Described convergence server is as server end, it is joined directly together by gateway WAN mouth and multiple wifi access points, simultaneously, in order to be provided that LTE accesses, convergence server is connected with LTE base station through LTE core network (EPC) by gateway WAN mouth, to described multimode terminal, namely client provides the mobile cellular of LTE to access and wifi access simultaneously；
Wherein, owing to each access point has different IP addresses, when convergence server passes through LTE and wifi parallel communications with multimode terminal, the business data packet come in from the transmission of each bar physical link has different IP addresses, thus affecting the communication quality of upper-layer service, even there will be interruption when tcp connects.In order to be embodied as the IP address that upper-layer service provides unified, there is the difference of shielding physical link simultaneously, the present invention installs Microsoft Loopback Adapter in convergence server and multimode terminal simultaneously.The business data packet on upper strata first passes through Microsoft Loopback Adapter, then it is distributed in each different physical link and is transmitted, the business data packet come into from each physical link first passes through Microsoft Loopback Adapter, it is then forwarded to the application on upper strata, make the difference of the complete imperceptible underlying physical links of upper layer application, just as a network interface card work.Therefore, described convergence server may also include network address translation (NAT) module.
Difference due to the transfer rate between LTE link and wifi link and wifi link and channel circumstance, in order to make full use of the obstruction avoiding physical link while each physical link carries out data transmission, upper-layer service must be wrapped in through the business datum that Microsoft Loopback Adapter hands down and effectively tap between each physical link, it is achieved load balancing.
Simultaneously as the difference of environment residing for each physical link and bearing capacity so that the time delay of the business data packet come in from the transmission of each physical link differs greatly so that packet out of order very serious.
For this, also including transmission control unit in present system, described transmission control unit periodically detects the bandwidth of each bar physical link, then reads business data packet from Microsoft Loopback Adapter, and according to each physical link bandwidth ratio recorded, business data packet is tapped, thus realizing load balancing；Meanwhile, described transmission control unit receives business data packet from each physical link, utilizes reception window that the business data packet of transmission is carried out whole sequence.
In described system schematic under the single multimode terminal shown in Fig. 1 accesses, having three physical links, a LTE link, two wifi links, three links are belonging respectively to three different subnets.Convergence server is connected with wifi access point with LTE base station respectively by three network interfaces, is attached by a network interface and outer net simultaneously.Multimode terminal is connected to three wireless network cards, is the wireless network card of a LTE network interface card and two wifi respectively, and three network interface cards connect with the three of convergence server corresponding access points respectively.
It is specifically described below for described system convergence server end communication process:
Communication process is divided into two parts, namely based on the heterogeneous network data downstream transmission method of said system and ascending transmission method.
Being illustrated in figure 2 the heterogeneous network data downstream transmission method based on said system, described method includes:
(1) in wide area network, opposite end main frame responds after receiving business data packet, and described business data packet purpose IP is converted to multimode terminal Microsoft Loopback Adapter purpose IP by network address conversion module after arriving convergence server gateway WAN by business data packet；
(2) after route, described business data packet is forwarded to convergence server Microsoft Loopback Adapter；
(3) described convergence server Microsoft Loopback Adapter calls transmission control unit；
(4) described transmission control unit obtains business data packet, self-defined encapsulation serial number, according to cycle detection each physical link bandwidth ratio, business data packet is tapped, and calls socket interface and sends business data packet to multimode terminal Microsoft Loopback Adapter；
(5) multimode terminal Microsoft Loopback Adapter calls described transmission control unit；
(6) described transmission control unit calls socket packet receiving function and receives the business data packet come from convergence server transmission, releases serial number and also it is carried out whole sequence；
(7) business data packet after whole sequence being write purpose multimode terminal Microsoft Loopback Adapter, process after route through protocol stack, business data packet arrives consumer process.
Being illustrated in figure 3 the heterogeneous network data downstream transmission method based on said system, described method includes:
(1) multimode terminal binds its Microsoft Loopback Adapter IP for online IP, and consumer process produces business data packet by multimode terminal Microsoft Loopback Adapter；
(2) multimode terminal Microsoft Loopback Adapter calls transmission control unit；
(3) described transmission control unit obtains business data packet, self-defined encapsulation serial number, taps according to recording bandwidth ratio, calls socket interface and sends the business data packet corresponding network interface to gateway from actual network interface card；
(4) convergence server Microsoft Loopback Adapter calls transmission control unit；
(5) described transmission control unit calls socket packet receiving function and receives described business data packet, releases serial number and it is carried out whole sequence；
(6) the business data packet write convergence server Microsoft Loopback Adapter that will receive, after transferring to protocol stack to process route, business datum forwards a packet to convergence server gateway WAN mouth, after business data packet source address being converted to gateway WAN port address by network address conversion module, send it to opposite end main frame in wide area network.
Those skilled in the art will readily understand; the foregoing is only presently preferred embodiments of the present invention; not in order to limit the present invention, all any amendment, equivalent replacement and improvement etc. made within the spirit and principles in the present invention, should be included within protection scope of the present invention.
Claims (5)
1. a heterogeneous network data parallel transmission system, including multimode terminal, convergence server and transmission control unit, it is characterised in that
Described multimode terminal, accesses wireless network card including at least one LTE wireless network card and multiple WiFi；
Described convergence server, is joined directly together by network interface and multiple wifi access points, is connected with LTE base station through LTE core network by network interface meanwhile, provides LTE mobile cellular to access to described multimode terminal simultaneously and wifi accesses；
Described transmission control unit, for being periodically detected each physical link bandwidth, and according to described each physical link bandwidth, the business data packet of transmission is tapped, simultaneously, receive the business data packet of transmission from each physical link, utilize reception window that the business data packet of transmission is carried out whole sequence.
2. the system as claimed in claim 1, it is characterised in that described multimode terminal and be respectively mounted Microsoft Loopback Adapter on described convergence server.
3. system as claimed in claim 1 or 2, it is characterised in that described convergence server also includes network address conversion module.
4. the heterogeneous network data downstream transmission method based on system described in any one of claim 1-3, it is characterised in that described method includes:
(1) in wide area network, opposite end main frame responds after receiving business data packet, and described business data packet purpose IP is converted to multimode terminal Microsoft Loopback Adapter purpose IP by network address conversion module after arriving convergence server gateway WAN by business data packet；
(2) after route, described business data packet is forwarded to convergence server Microsoft Loopback Adapter；
(3) described convergence server Microsoft Loopback Adapter calls transmission control unit；
(4) described transmission control unit obtains business data packet, self-defined encapsulation serial number, according to cycle detection each physical link bandwidth ratio, business data packet is tapped, and calls socket interface and sends business data packet to multimode terminal Microsoft Loopback Adapter；
(5) multimode terminal Microsoft Loopback Adapter calls described transmission control unit；
(6) described transmission control unit calls socket packet receiving function and receives the business data packet come from convergence server transmission, releases serial number and also it is carried out whole sequence；
(7) business data packet after whole sequence being write purpose multimode terminal Microsoft Loopback Adapter, process after route through protocol stack, business data packet arrives consumer process.
5. the heterogeneous network data upstream transmission method based on system described in any one of claim 1-3, it is characterised in that described method includes:
(1) multimode terminal binds its Microsoft Loopback Adapter IP for online IP, and consumer process produces business data packet by multimode terminal Microsoft Loopback Adapter；
(2) multimode terminal Microsoft Loopback Adapter calls transmission control unit；
(3) described transmission control unit obtains business data packet, self-defined encapsulation serial number, taps according to recording bandwidth ratio, calls socket interface and sends the business data packet corresponding network interface to gateway from actual network interface card；
(4) convergence server Microsoft Loopback Adapter calls transmission control unit；
(5) described transmission control unit calls socket packet receiving function and receives described business data packet, releases serial number and it is carried out whole sequence；
(6) the business data packet write convergence server Microsoft Loopback Adapter that will receive, after transferring to protocol stack to process route, business datum forwards a packet to convergence server gateway WAN mouth, after business data packet source address being converted to gateway WAN port address by network address conversion module, send it to opposite end main frame in wide area network.
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Cited By (14)
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| CN106559840A (en) * | 2016-11-16 | 2017-04-05 | 北京邮电大学 | A kind of multi-protocols mixed communication method and system |
| CN106714006A (en) * | 2017-02-10 | 2017-05-24 | 福州大学 | Video multiplex parallel transmission method in heterogeneous wireless network based on unicast broadcast technology |
| CN106792656A (en) * | 2016-11-30 | 2017-05-31 | 上海华为技术有限公司 | A kind of data transmission method and asymmetric separate system |
| CN107295119A (en) * | 2017-06-30 | 2017-10-24 | 重庆小目科技有限责任公司 | A kind of information acquisition system and method based on heterogeneous network |
| CN108024289A (en) * | 2017-12-05 | 2018-05-11 | 宇龙计算机通信科技(深圳)有限公司 | A kind of data transmission method and apparatus for network node |
| CN108966319A (en) * | 2018-06-08 | 2018-12-07 | 深圳海翼智新科技有限公司 | Packet transfer control method, mobile terminal and device |
| CN109005228A (en) * | 2018-08-01 | 2018-12-14 | 广东艾科智泊科技股份有限公司 | A kind of method and system of stop field device and cloud multiplex communication |
| CN109982362A (en) * | 2017-12-28 | 2019-07-05 | 成都鼎桥通信技术有限公司 | The network-building method and server of mobile communication system |
| CN110139078A (en) * | 2019-05-28 | 2019-08-16 | 深圳市安赛通科技有限公司 | More net isomery synergistic effect algorithms |
| CN110290553A (en) * | 2019-06-12 | 2019-09-27 | 深圳市奥克多普科技有限公司 | A kind of terminal data wireless transmitting system and method |
| CN111343671A (en) * | 2020-02-20 | 2020-06-26 | 北京小米移动软件有限公司 | Information processing method, device and storage medium |
| CN111565131A (en) * | 2020-04-22 | 2020-08-21 | 烽火通信科技股份有限公司 | Speed measuring method and system for household gateway CPU |
| CN112822725A (en) * | 2020-12-30 | 2021-05-18 | 国网甘肃省电力公司信息通信公司 | Wireless heterogeneous network multilink data distribution method based on service priority |
| CN113784393A (en) * | 2021-05-14 | 2021-12-10 | 荣耀终端有限公司 | Peak value downloading method and device |
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| CN106559840A (en) * | 2016-11-16 | 2017-04-05 | 北京邮电大学 | A kind of multi-protocols mixed communication method and system |
| CN106792656A (en) * | 2016-11-30 | 2017-05-31 | 上海华为技术有限公司 | A kind of data transmission method and asymmetric separate system |
| CN106714006A (en) * | 2017-02-10 | 2017-05-24 | 福州大学 | Video multiplex parallel transmission method in heterogeneous wireless network based on unicast broadcast technology |
| 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 |
| CN107295119A (en) * | 2017-06-30 | 2017-10-24 | 重庆小目科技有限责任公司 | A kind of information acquisition system and method based on heterogeneous network |
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| CN108024289B (en) * | 2017-12-05 | 2021-08-13 | 宇龙计算机通信科技(深圳)有限公司 | Data transmission method and network node equipment |
| CN109982362B (en) * | 2017-12-28 | 2021-11-23 | 成都鼎桥通信技术有限公司 | Networking method and server of mobile communication system |
| CN109982362A (en) * | 2017-12-28 | 2019-07-05 | 成都鼎桥通信技术有限公司 | The network-building method and server of mobile communication system |
| CN108966319A (en) * | 2018-06-08 | 2018-12-07 | 深圳海翼智新科技有限公司 | Packet transfer control method, mobile terminal and device |
| CN108966319B (en) * | 2018-06-08 | 2021-02-09 | 深圳海翼智新科技有限公司 | Data packet transmission control method, mobile terminal and device |
| CN109005228A (en) * | 2018-08-01 | 2018-12-14 | 广东艾科智泊科技股份有限公司 | A kind of method and system of stop field device and cloud multiplex communication |
| CN109005228B (en) * | 2018-08-01 | 2022-01-14 | 广东艾科智泊科技股份有限公司 | Method and system for multipath communication between parking lot equipment and cloud |
| CN110139078A (en) * | 2019-05-28 | 2019-08-16 | 深圳市安赛通科技有限公司 | More net isomery synergistic effect algorithms |
| CN110290553A (en) * | 2019-06-12 | 2019-09-27 | 深圳市奥克多普科技有限公司 | A kind of terminal data wireless transmitting system and method |
| CN111343671A (en) * | 2020-02-20 | 2020-06-26 | 北京小米移动软件有限公司 | Information processing method, device and storage medium |
| CN111343671B (en) * | 2020-02-20 | 2024-04-09 | 北京小米移动软件有限公司 | Information processing method, device and storage medium |
| CN111565131A (en) * | 2020-04-22 | 2020-08-21 | 烽火通信科技股份有限公司 | Speed measuring method and system for household gateway CPU |
| CN112822725A (en) * | 2020-12-30 | 2021-05-18 | 国网甘肃省电力公司信息通信公司 | Wireless heterogeneous network multilink data distribution method based on service priority |
| CN113784393A (en) * | 2021-05-14 | 2021-12-10 | 荣耀终端有限公司 | Peak value downloading method and device |
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