CN102752716A - Link selecting method and device - Google Patents
Link selecting method and device Download PDFInfo
- Publication number
- CN102752716A CN102752716A CN2012102437729A CN201210243772A CN102752716A CN 102752716 A CN102752716 A CN 102752716A CN 2012102437729 A CN2012102437729 A CN 2012102437729A CN 201210243772 A CN201210243772 A CN 201210243772A CN 102752716 A CN102752716 A CN 102752716A
- Authority
- CN
- China
- Prior art keywords
- link
- communication link
- satellite
- terminal
- satellite navigation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a link selecting method and a device, wherein a link condition that a terminal has is analyzed according to the terminal characteristics and geographic locations of the terminal; the service type is analyzed; and the quantity of the service data is analyzed; a satellite navigation link is used preferentially for the geographic location; if the condition is not met, a ground communication link is selected preferentially; if the ground communication link condition is not met, a satellite communication link is selected; the ground communication link is selected preferentially for the non-location information; if the ground communication link condition is not met and the data quantity is small, the satellite navigation link is used; if the conditions are all not met, the satellite communication link is used. With the adoption of the link selecting method and the device, different links can be selected according to different requirement conditions and system scales; the system resource is utilized effectively; the system capacity is improved; and the user service quality (QoS) can be met.
Description
Technical field
The present invention relates to a kind of link selecting method and device that merges based on multiple network.
Background technology
Nowadays, heterogeneous networks merges each other, and wireless network and fixed network fusion, ground network and satellite network fusion etc. have become a kind of future development trend, receive increasing concern.Along with the continuous maturation in many nets integration technology and market, the solution that many nets merge covers every field such as personal communication, enterprise's private network, army's battlefield communication guarantee, emergency communication.Be example below with the logistics, introduce the importance of link selection in many net fusions.
Existing logistics transit information platform based on the satellite navigation technology mainly provides services such as locating and monitoring, warning, standard driving; Function singleness is not supported the full key element (people, car, goods, traffic, weather etc.), overall process (in advance, in the thing, afterwards, emergent etc.) of production run process, informationization, the intelligent management of comprehensive (towards logistics progress each side); Do not support information increment services such as " car is looked for goods ", " goods is looked for car ", maintenance, food and drink, lodging, fuel oil sale; The transactional services that can not provide the logistics business relevant party to press for.And these functions are that traditional transport enterprise is to the transformation necessary technology support of modern logistics enterprise.Satellite communication does not receive the constraint of geographical environment and distance, and it is put multiple spot, puts face ground covering advantage and flexible movement property, makes satellite communication that remarkable advantages arranged in the communications field, but transports based on the logistics of communication technology of satellite, and cost is higher.Therefore,, select terrestrial communication link, satellite navigation link or satellite communication link to realize the logistics transportation, greater advantage is arranged according to the difference of region, demand.Along with the development of logistic industry, traditional logistics, is had higher requirement to the fusion of heterogeneous networks to modern logistics evolution.
The link establishing method that generally adopts at present both at home and abroad mainly contains three types: a kind ofly be based on the method that the ground communication network is set up link; A kind of GPS of being based on sets up the method for link; A kind ofly be based on the method that ground communication and GPS set up link.When ground communication and GPS link existed simultaneously, system lacked the unified planning of two links and coordination.In the existing link establishing method, adopt single link to realize communication or navigation, adopt terrestrial communication link to communicate by letter with the realization of satellite navigation link and when navigating, system resource does not have unified planning, can not make full use of system resource, power system capacity is limited.
Summary of the invention
The objective of the invention is to overcome the deficiency of prior art, a kind of link selecting method and device are provided, this method and apparatus can be directed against different demands situation and system scale; Select different links; Effectively utilize system resource, improve power system capacity, and satisfy QoS of customer (QoS).
The objective of the invention is to be achieved through following technical scheme:
A kind of link selecting method comprises the steps:
(1) analyzes the link condition that each terminal possessed according to the residing geographical position of terminal feature and terminal;
(2) analyze type of service, type of service comprises positional information and non-positional information,
(3) carry out link selection according to link condition and the type of service confirmed, concrete grammar is following: for positional information, preferentially use the satellite navigation link; As do not possess the satellite navigation link; Then preferentially select terrestrial communication link,, then select satellite communication link as not possessing terrestrial communication link; For non-positional information, preferentially use terrestrial communication link, as not possessing terrestrial communication link, then judgment data amount size with whether possess the satellite navigation link, if data volume is less and possess the satellite navigation link, then use the satellite navigation link; Otherwise use satellite communication link.
When selecting satellite communication link, judge that at first whether the satellite communication link resource is sufficient, when the satellite communication link inadequate resource, readjusts the satellite communication link resource according to terminal PRI, service priority.
The satellite navigation link is the Beidou satellite navigation link.
A kind of link selection device is characterized in that comprising link condition analysis module, type of service analysis module and control module;
The link condition that the link condition analysis module is possessed according to the residing geographical position of terminal feature and terminal analysing terminal;
The type of service analysis module is used for type of service is analyzed, and analyzes business datum amount size;
Control module is carried out link selection according to the output of type of service analysis module and link condition analysis module; For positional information; The preferential satellite navigation link that uses as not possessing the satellite navigation link, is then preferentially selected terrestrial communication link; As do not possess terrestrial communication link, then select satellite communication link; For non-positional information, preferentially use terrestrial communication link, as not possessing terrestrial communication link, then judgment data amount size with whether possess the satellite navigation link, if data volume is less and possess the satellite navigation link, then use the satellite navigation link; Otherwise use satellite communication link.
Also comprise satellite communication link resource analysis module, satellite communication link resource analysis module is used for that each terminal is taken the satellite communication link resource situation to be analyzed, and judges whether the satellite communication link resource is sufficient.
The present invention's beneficial effect compared with prior art is:
(1) adopts the multilink balance policy: systematic unity planning satellite navigation link, satellite communication link and terrestrial communication link resource; Give full play to the pluses and minuses of each means of communication; When certain link can not satisfy system requirements, dispatch other link circuit resource, so that make full use of system resource; Improve service quality the elevator system capacity.
(2) multilevel precedence strategy: link selection priority is because of situation such as type of service, geographical position, current system resource, terminal PRIs, and synthetic setting priority is chosen concrete link.
Description of drawings
Fig. 1 is a link selection device sketch map of the present invention;
Fig. 2 is the flow chart of link selecting method of the present invention.
Embodiment
Further describe in detail below in conjunction with the accompanying drawing specific embodiments of the invention.
The resource that link selecting method of the present invention and device need make full use of terrestrial communication link, satellite navigation link and satellite communication link so that system supports more multiple terminals, thereby realizes modern logistics fast.
As shown in Figure 1 is link selection device sketch map of the present invention, and (a) the link condition analysis module is used for the link condition that possessed according to terminal feature and particular geographic location analysing terminal.(b) the type of service analysis module is used to analyze concrete type of service and data volume size etc.(c) satellite communication link resource analysis module is used to take all factors into consideration each terminal and takies the satellite communication link resource situation, judges whether the satellite communication link resource is sufficient.(d) control module is responsible for whole link selection course.
Terrestrial communication link comprises ground cable network, terrestrial wireless network etc.The satellite navigation link is a Beidou satellite navigation system etc., but need carry out suitability and revise according to the different system actual conditions.
As shown in Figure 2 is link selection flow chart of the present invention, can be found out that by Fig. 2 the method for link selection of the present invention comprises the steps:
(1) obtain each terminal links information, promptly the link condition analysis module is analyzed each terminal and whether is supported information such as terrestrial communication link, satellite navigation link, satellite communication link according to terminal feature and particular geographic location.
Wherein terminal feature comprises the communication module that the terminal disposes.For example, some terminal configuration ground communication module, satellite navigation module and satellite communication module; And some terminal has only disposed ground communication module and satellite navigation module.Service platform judges according to the terminal feature of storage in advance whether each terminal supports terrestrial communication link, satellite navigation link, satellite communication link.The region, terminal might not have ground communication signal (zone that does not cover like mountain area, ground network such as external).Service platform at first obtains residing geographical position, terminal, judges whether according to residing geographical position, terminal whether this terminal supports terrestrial communication link then.
(2) judge type of service; Judgement is a positional information, or out of Memory (like goods information, repair message etc.), analyzes the data volume size simultaneously; Promptly judge it is positional information or out of Memory, and the size of data volume is judged by the type of service analysis module.
Positional information is the particular geographic location at terminal; Out of Memory comprises running status, driver fatigue state of goods information, vehicle etc.
(3), otherwise get into step (7) if positional information then gets into step (4).
(4) judge whether the terminal possesses the satellite navigation link,, otherwise get into step (6) if possess entering step (5).
(5) select the satellite navigation link, send positional information, get into step (15) through the short message function of Beidou satellite navigation system.
(6) preferentially select terrestrial communication link,, judge then whether satellite communication link satisfies the requirements,, get into step (15) if satisfy the requirements and resource abundance then select satellite communication link if do not possess terrestrial communication link; If satellite communication link does not satisfy the requirements, get into step (15); If satisfy the requirements but resource is inadequate then according to terminal PRI, service priority, the adjustment resource is selected satellite communication link, gets into step (15).
(7) judge whether the terminal possesses terrestrial communication link,, otherwise get into step (9) if possess entering step (8).
(8) select terrestrial communication link, get into step (15).
(9) if data volume less (according to the judged result of step (2)), and the satellite navigation link satisfies the requirements, and then gets into step (10), otherwise gets into step (11).
(10) select the satellite navigation link, send positional information, get into step (15) through the short message function of Beidou satellite navigation system.
(11) judge whether the terminal possesses satellite communication link,, then get into step (15), otherwise get into step (12) if do not possess.
(12) judge that by satellite communication link resource analysis module the satellite communication link resource is whether sufficient, if abundance then get into step (13), otherwise would get into step (14).
(13) select satellite communication link, get into step (15).
(14) according to terminal PRI, service priority, adjustment satellite communication link resource is selected satellite communication link, gets into step (15).
The priority at each terminal is set according to actual conditions.For abnormal information, its service priority is high; For goods information, its service priority is low.According to current online terminal situation, redistribute the satellite communication link resource, to satisfy the higher request of priority.
(15) finish this link selection.
After accomplishing above-mentioned steps, system gets into new information and detects, and promptly detects again whether new end message transmission requests is arranged.
With the logistics is that example is explained above-mentioned link selection process.Supposing has M logistics vehicles at the Xinjiang region shipping goods; Have N logistics vehicles in Shanghai shipping goods, have L car in Xi'an shipping goods, wherein each car all has intelligent terminal (to suppose that all there are satellite navigation link module, satellite communication link module and terrestrial communication link module in each terminal; But consider actual cost; Can be according to circumstances, reduce individual modules, if any the terminal only comprise satellite navigation link module etc.).
(1) obtain each terminal links information: service platform obtains each terminal information (like this vehicle main activities place of certain period from database; Tentatively judge each terminal links information through the place; Suppose that the vehicle that is in Xinjiang region does not possess terrestrial communication link, the vehicle that is in Xi'an and Shanghai possesses terrestrial communication link, satellite navigation link and satellite communication link);
(2) judge type of service: according to user's request, service platform is judged type of service (need understand the particular location of certain vehicle, local information of freight source or new information such as transportation demand like the user);
(3), otherwise get into step (7) if vehicle position information then gets into step (4).
(4) judge that whether the terminal possesses satellite navigation link (according in the step 1, the database information of service platform is judged), if possess entering step (5), otherwise gets into step (6).
(5) select the satellite navigation link, get into step (15).
(6) preferentially select terrestrial communication link,, then select satellite communication link, get into step (15) if do not possess terrestrial communication link.
(7) judge whether the terminal possesses terrestrial communication link (according in the step 1, the database information of service platform is judged), is promptly judged by the link condition analysis module, if possess entering step (8), otherwise gets into step (9).
(8) select terrestrial communication link, get into step (15).
(9) if data volume is less (according to the judged result of step (2); Data volume is no more than the ability data quantity transmitted restriction of satellite navigation link institute); And the satellite navigation link satisfies the requirements (being judged by the link condition analysis module), then gets into step (10), otherwise gets into step (11).
(10) select the satellite navigation link, get into step (15).
(11) judge that whether the terminal possesses satellite communication link (being judged by the link condition analysis module), if do not possess, then gets into step (15), otherwise gets into step (12).
(12) judge satellite communication link resource whether sufficient (judging) by satellite communication link resource analysis module, if sufficient (satellite communication link has enough resources to use) then get into step (13), otherwise get into step (14).
(13) select satellite communication link, get into step (15).
(14) according to terminal PRI, service priority, adjustment resource (as the satellite communication link resource is adjusted, priority allocation is given the terminal of high priority) is selected satellite communication link, gets into step (15).
(15) finish this link selection.
In a word; The present invention can support a plurality of intelligent terminals (millions of) fast and service platform set up link; Through each link circuit resource of unified planning, effectively utilize system resource, satisfy quick location and the requirement of communicating by letter to the terminal; Improve logistic efficiency, and ensured the service quality of whole system to greatest extent.
Unified planning satellite navigation link of the present invention, satellite communication link and terrestrial communication link resource, under the situation of the continuous dilatation of logistics system, the method can solve the problem of the timely access network of great amount of terminals especially in modern times.
Claims (5)
1. a link selecting method is characterized in that, comprises the steps:
(1) analyzes the link condition that each terminal possessed according to the residing geographical position of terminal feature and terminal;
(2) analyze type of service, type of service comprises positional information and non-positional information,
(3) carry out link selection according to link condition and the type of service confirmed, concrete grammar is following: for positional information, preferentially use the satellite navigation link; As do not possess the satellite navigation link; Then preferentially select terrestrial communication link,, then select satellite communication link as not possessing terrestrial communication link; For non-positional information, preferentially use terrestrial communication link, as not possessing terrestrial communication link, then judgment data amount size with whether possess the satellite navigation link, if data volume is less and possess the satellite navigation link, then use the satellite navigation link; Otherwise use satellite communication link.
2. link selecting method according to claim 1; It is characterized in that, when selecting satellite communication link, judge at first whether the satellite communication link resource is sufficient; When the satellite communication link inadequate resource, readjust the satellite communication link resource according to terminal PRI, service priority.
3. link selecting method as claimed in claim 1 is characterized in that, the satellite navigation link is the Beidou satellite navigation link.
4. a link selection device is characterized in that comprising link condition analysis module, type of service analysis module and control module;
The link condition that the link condition analysis module is possessed according to the residing geographical position of terminal feature and terminal analysing terminal;
The type of service analysis module is used for type of service is analyzed, and analyzes business datum amount size;
Control module is carried out link selection according to the output of type of service analysis module and link condition analysis module; For positional information; The preferential satellite navigation link that uses as not possessing the satellite navigation link, is then preferentially selected terrestrial communication link; As do not possess terrestrial communication link, then select satellite communication link; For non-positional information, preferentially use terrestrial communication link, as not possessing terrestrial communication link, then judgment data amount size with whether possess the satellite navigation link, if data volume is less and possess the satellite navigation link, then use the satellite navigation link; Otherwise use satellite communication link.
5. link selection device as claimed in claim 3; It is characterized in that; Also comprise satellite communication link resource analysis module, satellite communication link resource analysis module is used for that each terminal is taken the satellite communication link resource situation to be analyzed, and judges whether the satellite communication link resource is sufficient.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210243772.9A CN102752716B (en) | 2012-07-13 | 2012-07-13 | Link selecting method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210243772.9A CN102752716B (en) | 2012-07-13 | 2012-07-13 | Link selecting method and device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102752716A true CN102752716A (en) | 2012-10-24 |
| CN102752716B CN102752716B (en) | 2015-02-11 |
Family
ID=47032572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210243772.9A Active CN102752716B (en) | 2012-07-13 | 2012-07-13 | Link selecting method and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102752716B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104865939A (en) * | 2015-04-22 | 2015-08-26 | 中国民用航空总局第二研究所 | Ground monitoring device, method and system |
| CN106656298A (en) * | 2016-11-16 | 2017-05-10 | 航天恒星科技有限公司 | Communication link planning method and system |
| CN107027090A (en) * | 2016-02-02 | 2017-08-08 | 华为技术有限公司 | A kind of network communication method and device |
| WO2018213987A1 (en) * | 2017-05-22 | 2018-11-29 | 华为技术有限公司 | Data distribution method, device and system |
| CN109615842A (en) * | 2018-12-25 | 2019-04-12 | 北京云智汇科技有限公司 | Field remote data acquisition system and data collection terminal |
| CN111246033A (en) * | 2020-01-08 | 2020-06-05 | 腾讯科技（深圳）有限公司 | Data transmission method, device, equipment and readable storage medium |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109714105B (en) * | 2018-12-20 | 2020-05-29 | 北京邮电大学 | Communication link determining method and device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1352493A (en) * | 2000-11-13 | 2002-06-05 | 李亮 | Public mobile communication device in passenger airplane |
| CN1499887A (en) * | 2002-11-06 | 2004-05-26 | ������������ʽ���� | Mobile communication terminal device and method of selecting wireless communication link |
| CN101707734A (en) * | 2009-05-25 | 2010-05-12 | 南京师范大学 | Adaptive acquiring and sending device for mobile time-space positioning video-audio data |
-
2012
- 2012-07-13 CN CN201210243772.9A patent/CN102752716B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1352493A (en) * | 2000-11-13 | 2002-06-05 | 李亮 | Public mobile communication device in passenger airplane |
| CN1499887A (en) * | 2002-11-06 | 2004-05-26 | ������������ʽ���� | Mobile communication terminal device and method of selecting wireless communication link |
| CN101707734A (en) * | 2009-05-25 | 2010-05-12 | 南京师范大学 | Adaptive acquiring and sending device for mobile time-space positioning video-audio data |
Non-Patent Citations (2)
| Title |
|---|
| 崔君霞等: "CAPS导航通信系统的传输链路", 《中国科学》 * |
| 黄艳玉等: ""北斗"卫星导航系统的研究", 《2008年船舶通信导航学术研讨会论文集》 * |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104865939A (en) * | 2015-04-22 | 2015-08-26 | 中国民用航空总局第二研究所 | Ground monitoring device, method and system |
| CN107027090A (en) * | 2016-02-02 | 2017-08-08 | 华为技术有限公司 | A kind of network communication method and device |
| WO2017133186A1 (en) * | 2016-02-02 | 2017-08-10 | 华为技术有限公司 | Network communication method and device |
| CN107027090B (en) * | 2016-02-02 | 2020-04-21 | 华为技术有限公司 | Network communication method and device |
| US10903896B2 (en) | 2016-02-02 | 2021-01-26 | Huawei Technologies Co., Ltd. | Network communication method and network communications apparatus |
| CN106656298A (en) * | 2016-11-16 | 2017-05-10 | 航天恒星科技有限公司 | Communication link planning method and system |
| WO2018213987A1 (en) * | 2017-05-22 | 2018-11-29 | 华为技术有限公司 | Data distribution method, device and system |
| US11115871B2 (en) | 2017-05-22 | 2021-09-07 | Huawei Technologies Co., Ltd. | Data distribution method, apparatus, and system |
| CN109615842A (en) * | 2018-12-25 | 2019-04-12 | 北京云智汇科技有限公司 | Field remote data acquisition system and data collection terminal |
| CN111246033A (en) * | 2020-01-08 | 2020-06-05 | 腾讯科技（深圳）有限公司 | Data transmission method, device, equipment and readable storage medium |
| CN111246033B (en) * | 2020-01-08 | 2021-08-24 | 腾讯科技（深圳）有限公司 | Data transmission method, device, equipment and readable storage medium |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102752716B (en) | 2015-02-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR102194168B1 (en) | High-speed discovery, service-driven, and context-based connectivity for autonomous vehicle networks | |
| CN102752716A (en) | Link selecting method and device | |
| US10691138B2 (en) | Systems and methods for managing fleets of autonomous vehicles to optimize electric budget | |
| CN104021667B (en) | Integrate subscription services and the taxi dispatching system called a taxi in real time and scheduling method | |
| CN107618381B (en) | Automobile based on mobile Internet comprehensive complementary energy system and method, storage medium | |
| Hu et al. | A decision support system for public logistics information service management and optimization | |
| CN104346921B (en) | Taxi information communication services (PCS) system, terminal and method based on location information | |
| US20190026796A1 (en) | Systems and methods for trading data in a network of moving things, for example including a network of autonomous vehicles | |
| Lai et al. | Distributed public vehicle system based on fog nodes and vehicular sensing | |
| CN101123551B (en) | An intelligent bus system based on communication and grid computing technology | |
| CN103049817B (en) | Demand type shared transportation service method combined with load balancing mechanism | |
| CN102113001A (en) | Method and system for cab management | |
| CN104835020A (en) | Logistics vehicle dispatching system | |
| CN201804445U (en) | Intelligent bus operating management system | |
| CN101950479A (en) | Passenger travel-oriented intelligent urban public transport system and implementation method thereof | |
| CN102737501A (en) | Taxi passenger carrying scheduling method and system and scheduling server | |
| Cepolina et al. | Urban car sharing: An overview of relocation strategies | |
| CN102034156A (en) | Cargo allocation method for implementing logistic transportation by utilizing GPS positioning | |
| CN110675051A (en) | Mobile terminal-based non-vehicle-carrying network platform scheduling system and method | |
| CN202049523U (en) | Intelligent dispatching system for logistics enterprises | |
| CN114723248A (en) | Intelligent scheduling and distribution method | |
| Marciani et al. | How the URBeLOG project will enable a new governance model for city logistics in Italian metropolitan areas | |
| Wamburu et al. | Ride substitution using electric bike sharing: feasibility, cost, and carbon analysis | |
| CN108111979A (en) | Vehicle location trace scheduling system and method based on BDS and LoRa | |
| CN116153060A (en) | Demand response vehicle dispatching method and system applied to passenger periodic behavior mode of intelligent bus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |