CN105392128A - Driving direction determining method - Google Patents
Driving direction determining method Download PDFInfo
- Publication number
- CN105392128A CN105392128A CN201510671992.5A CN201510671992A CN105392128A CN 105392128 A CN105392128 A CN 105392128A CN 201510671992 A CN201510671992 A CN 201510671992A CN 105392128 A CN105392128 A CN 105392128A
- Authority
- CN
- China
- Prior art keywords
- identity information
- headend equipment
- roaming
- association
- associates
- 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
- 238000000034 method Methods 0.000 title claims abstract description 23
- 230000008878 coupling Effects 0.000 abstract description 5
- 238000010168 coupling process Methods 0.000 abstract description 5
- 238000005859 coupling reaction Methods 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000012544 monitoring process Methods 0.000 abstract description 3
- 238000004891 communication Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/02—Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L15/00—Indicators provided on the vehicle or train for signalling purposes
- B61L15/0054—Train integrity supervision, e.g. end-of-train [EOT] devices
Landscapes
- Engineering & Computer Science (AREA)
- Databases & Information Systems (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mechanical Engineering (AREA)
- Train Traffic Observation, Control, And Security (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention provides a front-end equipment driving direction determining method and a system thereof, wherein the driving direction determining method comprises the steps of S1, acquiring corresponding access point (AP) identity information by front-end equipment A and front-end equipment B and correspondingly associating the front-end equipment A and the front-end equipment B with the AP identity information; S2, comparing new associated AP identity information of the front-end equipment of which roaming is preferably finished and the associated AP identity information before roaming with new associated AP identity information of the front-end equipment of which roaming is later finished; and S3, if the AP identity information of the front-end equipment of which is later finished is same with one selected from the new associated AP identity information of which reaming is preferably finished and the associated AP identity information before roaming, determining a fact that the current working front-end equipment is located at the train tail, and otherwise, determining a fact that the current working front-end equipment is located at the train head. The front-end equipment driving direction determining method and the system thereof have beneficial effects of settling a problem of determining the driving direction without the signal of an automatic train monitoring system, reducing coupling degree with a passenger information system (PIS), and realizing simpler operation and higher accuracy in determining.
Description
Technical field
The present invention relates to wireless communication field, particularly relate to a kind of direction of traffic determination methods and system.
Background technology
In wireless communication system in track traffic, the equipment of the tailstock is all adopted to carry out the fluency roaming to ensure to roam, traditional passenger information system is called for short PIS (PassengerInformationSystem, passenger information system) system, car-mounted terminal needs by ATS system (AutomaticTrainSupervision in Rail Transit System, automatic train monitor) signal confirm direction of traffic, thus the mobile unit that judgement is that one end of train is positioned at the tailstock, but the signal of each bar circuit may be all not identical in train monitoring system, therefore all needed the complicated agreement docking work such as exploitation again at every turn, and the excessive difficulty adding concrete enforcement of the degree of coupling between system.
Summary of the invention
For judging the problems referred to above that direction of traffic exists in prior art, now providing a kind of and being intended to realize reducing system, coupled degree not by direction of traffic determination methods and the system of train monitoring system signal.
Concrete technical scheme is as follows:
A kind of direction of traffic determination methods and system, comprise the following steps:
Step S1, headend equipment A and headend equipment B obtain corresponding AP (AccessPoint, wireless access node) identity information respectively and correspondence associates with AP identity information;
Step S2, by the AP identity information of association before preferentially completing the AP identity information of the new association of the headend equipment of roaming and roaming with after complete roaming the AP identity information that newly associates of headend equipment compare;
If one in the AP identity information that the headend equipment completing roaming after step S3 newly associates and the AP identity information that the headend equipment preferentially completing roaming newly associates and the AP identity information that associates before roaming identical time, then work at present headend equipment is at the tailstock, otherwise work at present headend equipment is at headstock.
Preferably, described headend equipment A correspondence obtains AP identity information and associates with institute AP identity information, and the AP identity information of association is labeled as A1.
Preferably, described headend equipment B correspondence obtains AP identity information and associates with AP identity information, and the AP identity information of association is labeled as B1.
Preferably, when described headend equipment A completes roaming, correspondence obtained a new AP identity information and associate with new AP identity information, the AP identity information newly associated is labeled as A2.
Preferably, when described headend equipment B completes roaming, correspondence obtained a new AP identity information and associate with new AP identity information, the AP identity information newly associated is labeled as B2.
Preferably, in described step S2, comprise the following steps,
Step S21, acquisition preferentially complete the AP identity information of the current association of the headend equipment of roaming and the AP identity information of the front association of roaming;
Step S22, the AP identity information of current new association obtained by the headend equipment preferentially completing roaming and the AP identity information of the front association of roaming are sent to another headend equipment by switching equipment;
Step S23, obtain after complete the new AP identity information new AP identity information that associate corresponding to the leading portion equipment preferentially completing roaming of the headend equipment correspondence association of roaming and roam the front corresponding AP identity information associated and compare.
Preferably, in described step S2, if the headend equipment preferentially completing roaming is headend equipment A, then the headend equipment completing roaming is afterwards headend equipment B;
If the headend equipment preferentially completing roaming is headend equipment B, then the headend equipment completing roaming is afterwards headend equipment A.
Preferably, described headend equipment is mobile unit.
Preferably, described AP identity information is base station AP physical address (MediaAccessControl or MediumAccessControl) information.
Technique scheme tool has the following advantages or beneficial effect:
Direction of traffic can be judged quickly and easily, direction of traffic need not be judged by the signal of automatic train monitor, decrease that with the degree of coupling of PIS system, operation more simply to be judged more accurate.
Accompanying drawing explanation
With reference to appended accompanying drawing, to describe embodiments of the invention more fully.But, appended accompanying drawing only for illustration of and elaboration, do not form limitation of the scope of the invention.
Fig. 1 is the flow chart of a kind of direction of traffic determination methods of the present invention embodiment;
Fig. 2 is the flow chart that in a kind of direction of traffic determination methods of the present invention, leading portion equipment completes the embodiment of roam operation.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite of not making creative work, all belongs to the scope of protection of the invention.
It should be noted that, when not conflicting, the embodiment in the present invention and the feature in embodiment can combine mutually.
Below in conjunction with the drawings and specific embodiments, the invention will be further described, but not as limiting to the invention.
Technical solution of the present invention comprises a kind of direction of traffic determination methods.
As shown in Figure 1, a kind of embodiment of direction of traffic determination methods, specifically comprises the following steps:
Step S1, headend equipment A and headend equipment B obtain corresponding AP identity information respectively and correspondence associates with AP identity information;
Step S2, by the AP identity information of association before preferentially completing the AP identity information of the new association of the headend equipment of roaming and roaming with after complete roaming the AP identity information that newly associates of headend equipment compare;
If one in the AP identity information that the headend equipment completing roaming after step S3 newly associates and the AP identity information that the headend equipment preferentially completing roaming newly associates and the AP identity information that associates before roaming identical time, then work at present headend equipment is at the tailstock, otherwise work at present headend equipment is at headstock.
In a particular embodiment, when front end device A and leading portion equipment B are between two base station AP,
Headend equipment A and headend equipment B respectively correspondence associate a base station AP identity information and are A1, B1 by the base station AP identity information correspondence markings of correspondence association,
If wherein leading portion device A preferentially completes roaming, then correspondence is newly associated a base station AP identity information by leading portion device A, be labeled as A2, now preferentially complete the leading portion device A of roaming by the base station AP identity information of corresponding association respectively, A1, A2 are sent to another leading portion equipment B by switching equipment, base station AP identity information leading portion equipment B being completed the new association of roaming is labeled as B2, and is compared by B2 and A1 and A2, if B2 equals a value in A1 and A2, judges that leading portion equipment B is positioned at the tailstock;
If wherein leading portion equipment B preferentially completes roaming, then correspondence is newly associated a base station AP identity information by leading portion equipment B, be labeled as B2, now preferentially complete the leading portion device A of roaming by the base station AP identity information of corresponding association respectively, B1, B2 are sent to another leading portion device A by switching equipment, base station AP identity information leading portion device A being completed the new association of roaming is labeled as A2, and is compared by A2 and B1 and B2, if A2 equals a value in B1 and B2, judges that leading portion device A is positioned at headstock, the present embodiment due to a base station AP identity information of base station AP identity information that the leading portion equipment preferentially completing roaming is newly associated and association before completing roaming to be sent in another headend equipment and with after complete roaming the base station AP identity information that newly associates of another headend equipment compare, if there is base station AP identity information has identical, then judge that the leading portion equipment of this work is positioned at the tailstock, if not identical, judge that the leading portion equipment of this work is positioned at headstock, thus solve need not by the signal of automatic train monitor to judge direction of traffic, decrease that with the degree of coupling of PIS system, operation more simply to be judged more accurate.
On such scheme basis, further, headend equipment A correspondence obtains AP identity information and associates with AP identity information, and the AP identity information of association is labeled as A1.
On such scheme basis, further, headend equipment B correspondence obtains AP identity information and associates with AP identity information, and the AP identity information of association is labeled as B1.
On such scheme basis, further, when headend equipment A completes roaming, correspondence obtained a new AP identity information and associate with new AP identity information, the AP identity information newly associated is labeled as A2;
On such scheme basis, further, when headend equipment B completes roaming, correspondence obtained a new AP identity information and associate with new AP identity information, the AP identity information newly associated is labeled as B2.
On such scheme basis, further, in step S2, as shown in Figure 2, comprise the following steps,
Step S21, record preferentially complete the AP identity information of the current association of the headend equipment of roaming and the AP identity information of the front association of roaming;
Step S22, the AP identity information of current new association obtained by the headend equipment preferentially completing roaming and the AP identity information of the front association of roaming are sent to another headend equipment by switching equipment;
Step S23, obtain after complete the new AP identity information of the headend equipment correspondence association of roaming corresponding with the leading portion equipment preferentially completing roaming associate new AP identity information and roam the front corresponding AP identity information associated compare.
On such scheme basis, further, in step S2, if the headend equipment preferentially completing roaming is headend equipment A, then the headend equipment completing roaming is afterwards headend equipment B;
If the headend equipment preferentially completing roaming is headend equipment B, then the headend equipment completing roaming is afterwards headend equipment A.
On such scheme basis, further, headend equipment is mobile unit.
On such scheme basis, further, AP identity information can be base station AP physical address information information.
Technique scheme tool has the following advantages or beneficial effect: by the AP identity letter information of association before the AP identity information of the new association of the headend equipment by preferentially completing roaming and roaming with after complete roaming the AP identity information that newly associates of headend equipment compare, if thus the headend equipment AP identity information newly associated and the AP identity information that the headend equipment preferentially completing roaming newly associates that complete roaming after judging and roam in the front AP identity information associated one identical time, then show that work at present headend equipment is at the tailstock, otherwise work at present headend equipment is at headstock, thus solve need not by the signal of automatic train monitor to judge direction of traffic, decrease and make operation more simple with the degree of coupling of PIS system, it is more accurate to judge.
The foregoing is only preferred embodiment of the present invention; not thereby embodiments of the present invention and protection range is limited; to those skilled in the art; should recognize and all should be included in the scheme that equivalent replacement done by all utilizations specification of the present invention and diagramatic content and apparent change obtain in protection scope of the present invention.
Claims (9)
1. a direction of traffic determination methods, comprises the following steps:
Step S1, headend equipment A and headend equipment B obtain corresponding AP identity information respectively and correspondence associates with AP identity information;
Step S2, by the AP identity information of association before preferentially completing the AP identity information of the new association of the headend equipment of roaming and roaming with after complete roaming the AP identity information that newly associates of headend equipment compare;
If one in the AP identity information that the headend equipment completing roaming after step S3 newly associates and the AP identity information that the headend equipment preferentially completing roaming newly associates and the AP identity information that associates before roaming identical time, then work at present headend equipment is at the tailstock, otherwise work at present headend equipment is at headstock.
2. direction of traffic determination methods according to claim 1, is characterized in that, described headend equipment A correspondence obtains AP identity information and associates with AP identity information, and the AP identity information of association is labeled as A1.
3. direction of traffic determination methods according to claim 1, is characterized in that, described headend equipment B correspondence obtains AP identity information and associates with AP identity information, and the AP identity information of association is labeled as B1.
4. direction of traffic determination methods according to claim 1, is characterized in that, when described headend equipment A completes roaming, correspondence is obtained a new AP identity information and associates with new AP identity information, the AP identity information newly associated is labeled as A2.
5. direction of traffic determination methods according to claim 1, is characterized in that, when described headend equipment B completes roaming, correspondence is obtained a new AP identity information and associates with new AP identity information, the AP identity information newly associated is labeled as B2.
6. direction of traffic determination methods according to claim 1, is characterized in that, in described step S2, comprises the following steps:
Step S21, acquisition preferentially complete the AP identity information of the current association of the headend equipment of roaming and the AP identity information of the front association of roaming;
Step S22, the AP identity information of current new association obtained by the headend equipment preferentially completing roaming and the AP identity information of the front association of roaming are sent to another headend equipment by switching equipment;
Step S23, obtain after complete the new AP identity information new AP identity information that associate corresponding to the leading portion equipment preferentially completing roaming of the headend equipment correspondence association of roaming and roam the front corresponding AP identity information associated and compare.
7. direction of traffic determination methods according to claim 1, is characterized in that, in described step S2, if the headend equipment preferentially completing roaming is headend equipment A, then the headend equipment completing roaming is afterwards headend equipment B;
If the headend equipment preferentially completing roaming is headend equipment B, then the headend equipment completing roaming is afterwards headend equipment A.
8. direction of traffic determination methods according to claim 1, is characterized in that, described headend equipment is mobile unit.
9. direction of traffic determination methods according to claim 1, is characterized in that, described AP identity information is base station AP physical address information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510671992.5A CN105392128B (en) | 2015-10-15 | 2015-10-15 | A kind of direction of traffic judgment method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510671992.5A CN105392128B (en) | 2015-10-15 | 2015-10-15 | A kind of direction of traffic judgment method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105392128A true CN105392128A (en) | 2016-03-09 |
| CN105392128B CN105392128B (en) | 2019-10-29 |
Family
ID=55423870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510671992.5A Active CN105392128B (en) | 2015-10-15 | 2015-10-15 | A kind of direction of traffic judgment method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105392128B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101604982A (en) * | 2008-06-12 | 2009-12-16 | 上海寰创通信科技有限公司 | With covering the method that induction is down switched frequently |
| CN101933030A (en) * | 2008-03-12 | 2010-12-29 | 欧姆龙株式会社 | Tag information processing device, tag information processing system, tag information processing method, and program |
| CN102869062A (en) * | 2011-07-07 | 2013-01-09 | 上海中科高等研究院 | Method for rapidly switching WLAN (wireless local area network) rail communication systems |
| CN102975748A (en) * | 2012-11-29 | 2013-03-20 | 北京全路通信信号研究设计院有限公司 | Train positioning and speed measuring method and system |
| CN103699916A (en) * | 2013-12-25 | 2014-04-02 | 华为技术有限公司 | Method for judging moving direction of RFID (radio frequency identification) tag and electronic equipment |
-
2015
- 2015-10-15 CN CN201510671992.5A patent/CN105392128B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101933030A (en) * | 2008-03-12 | 2010-12-29 | 欧姆龙株式会社 | Tag information processing device, tag information processing system, tag information processing method, and program |
| CN101604982A (en) * | 2008-06-12 | 2009-12-16 | 上海寰创通信科技有限公司 | With covering the method that induction is down switched frequently |
| CN102869062A (en) * | 2011-07-07 | 2013-01-09 | 上海中科高等研究院 | Method for rapidly switching WLAN (wireless local area network) rail communication systems |
| CN102975748A (en) * | 2012-11-29 | 2013-03-20 | 北京全路通信信号研究设计院有限公司 | Train positioning and speed measuring method and system |
| CN103699916A (en) * | 2013-12-25 | 2014-04-02 | 华为技术有限公司 | Method for judging moving direction of RFID (radio frequency identification) tag and electronic equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105392128B (en) | 2019-10-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107878510B (en) | Automatic train control method and device, vehicle-mounted ATO | |
| CN110896534B (en) | Method, device and system for establishing communication connection between vehicles | |
| EP3253107A1 (en) | Method, device and system for managing channels of wireless local area network in rail transit | |
| MX2009009333A (en) | Method and arrangement for processing mobile station history information in a wireless communication system. | |
| CN107018162A (en) | A kind of method and terminal carried out data transmission | |
| EP3200508A3 (en) | Wireless communication system and method for trains and other vehicles using trackside base stations | |
| WO2019007134A1 (en) | Method and apparatus for switching wireless access point, and train | |
| CN111966776B (en) | Map construction method, map construction device, electronic equipment and storage medium | |
| KR102281655B1 (en) | In-vehicle wireless communication management system and method for controlling thereof | |
| CN101127652A (en) | A method, device and system for identifying access anchor of user terminal to external network | |
| JP5459410B2 (en) | Information processing apparatus for vehicle | |
| EP3500871A1 (en) | Methods and apparatus for positioning of a wireless communication device using timing advance multilateration | |
| CN103167583A (en) | User accessing method and radio network controller | |
| CN104519573A (en) | Positioning method, device and system | |
| EP1742190A3 (en) | Method and system for obtaining information on traffic flow | |
| CN105792137A (en) | Inter-vehicle communication method and device | |
| CN105392204A (en) | Vehicle communication method and device | |
| CN101931935A (en) | Terminal access method, network equipment and communication system | |
| CN106878940A (en) | A kind of processing method of communication data and its equipment | |
| EP2564381A1 (en) | Method and device for generating traffic information | |
| CN105392128A (en) | Driving direction determining method | |
| CN104170357A (en) | Generalization of quality class indices in a wireless network | |
| CN101911630B (en) | Method and device for identifying sizes and sources of several RLC PDUs | |
| CN105338579A (en) | Wireless local area network switching method for track traffic and wireless local area network switching device | |
| EP2897438A1 (en) | Routing an IP session over WLAN |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |