CN1893718A - Method for realizing location entity switching-over in dependence mode - Google Patents
Method for realizing location entity switching-over in dependence mode Download PDFInfo
- Publication number
- CN1893718A CN1893718A CNA2005100803684A CN200510080368A CN1893718A CN 1893718 A CN1893718 A CN 1893718A CN A2005100803684 A CNA2005100803684 A CN A2005100803684A CN 200510080368 A CN200510080368 A CN 200510080368A CN 1893718 A CN1893718 A CN 1893718A
- Authority
- CN
- China
- Prior art keywords
- positioning
- entity
- mobile station
- access server
- position determining
- 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
- Position Fixing By Use Of Radio Waves (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
本发明涉及在信任模式下实现定位实体切换的方法，包括：判断归属定位实体接入服务器对移动台是否定位服务；定位实体根据移动台上报的测量或计算信息，判断是否定位实体切换；归属定位实体接入服务器通过移动台所在的小区信息查找服务定位实体接入服务器；归属定位实体接入服务器将保存和以后移动台上报的测量或计算信息转发服务定位实体接入服务器，将服务定位实体接入服务器发到移动台的消息透传给移动台；服务定位实体接入服务器和定位实体完成位置计算。本发明确保定位实体提供移动台当前位置的基站辅助信息，确保移动台当前所在位置在定位实体GPS卫星参考接收设备的覆盖范围内，提高信任模式定位在切换时的精度和成功率。
The invention relates to a method for realizing switching of a positioning entity in a trusted mode, comprising: judging whether the access server of the belonging positioning entity provides positioning service for the mobile station; the positioning entity judges whether the switching of the positioning entity is based on the measurement or calculation information reported by the mobile station; the belonging positioning The entity access server searches the service location entity access server through the information of the cell where the mobile station is located; the home location entity access server saves and forwards the measurement or calculation information reported by the mobile station to the service location entity access server, and connects the service location entity to the service location entity access server. The information sent by the incoming server to the mobile station is transparently transmitted to the mobile station; the service positioning entity accesses the server and the positioning entity completes position calculation. The invention ensures that the positioning entity provides the base station auxiliary information of the current location of the mobile station, ensures that the current location of the mobile station is within the coverage of the GPS satellite reference receiving device of the positioning entity, and improves the accuracy and success rate of trusted mode positioning during switching.
Description
Technical field
The present invention relates to the localization method of mobile communication network, particularly a kind of method that under trust mode, realizes the position determining entity switching.
Background technology
Location-based business (Location Based Services, be called for short LBS), claim shift position business or positioning service again, be meant that the mobile network obtains the geographical location information (latitude and longitude coordinates) of portable terminal by specific location technology, offer mobile subscriber, communication system or third party, and by the support of certain electronic map information, for the mobile subscriber provides calling or the non-calling class service relevant with its position.
In the locate mode of mobile radio communication, comprise: based on the location of sub-district, based on traditional GPS (Global PositioningSystem, be GPS (Global Position System)) location of system, locate several modes based on the location and the AGPS of advanced forward link triangle (AFLT, AdvancedForward-Link Trilateration).
Wherein, AGPS location is a kind of locate mode that GPS location and mobile communcations system are combined, because of its locating speed fast, positioning accuracy height and being widely used.
Mobile communication network system based on the AGPS technology has two kinds of specific implementations: a kind of is the location of trust mode, and another kind is the location under the non-trust mode.
On the network entity structure, the difference of non-trust mode and trust mode locate mode is whether mobile positioning center is arranged.There is mobile positioning center to carry out user's personal secrets management in the non-trust mode entity framework, do not contain mobile positioning center in the trust mode framework.
Fig. 1 has described the navigation system network configuration based on the mobile communication network system user plane of the AGPS technology of non-trust mode.
Fig. 2 has described the navigation system network configuration based on the mobile communication network system user plane of the AGPS technology of trust mode.
Emphasis of the present invention relates to the relevant issues of trust mode locate mode, can be with reference to CHINAUNICOM's industry standard " specification requirement of 800MHz CDMA digital mobile cellular telecommunication net V2 positioning service user plane relevant device ", " CDMA 1X digital mobile cellular telecommunication net travelling carriage standard " for the locate mode under the non-trust mode.
AGPS technological orientation system based on trust mode mainly comprises travelling carriage, position determining entity access server, position determining entity, gps satellite signal receiver, gps satellite etc.
Travelling carriage is the ustomer premises access equipment of positioning service, and major function provides the relevant metrical information in portable terminal location; Finish Signalling exchange with position determining entity by mobile radio communication, the application of finishing the part positioning service simultaneously realizes.
The position determining entity access server is mainly managed the connection that travelling carriage is initiated to position determining entity, receives the Location Request from travelling carriage, the mutual signaling between while transparent transmission travelling carriage and the position determining entity etc.For the bigger network of customer volume, whole service network can be divided into a plurality of service areas, each service area all has the position determining entity access server of oneself.For a certain travelling carriage, the capital registration of on a position determining entity access server, opening an account, it is called as the ownership position determining entity access server of this travelling carriage, and in one-time positioning, the service area corresponding server that the travelling carriage position is belonged to is called positioning service entity access server.
The function of position determining entity mainly is that the information that travelling carriage is delivered to network side is handled, and according to the base station geographic position information and the gps satellite data of its management, calculates the position of portable terminal or offers the GPS auxiliary data that moving table measuring needs.
The major function of gps signal receiver is to receive the gps satellite signal data, and sends it to position determining entity.
The function of gps satellite is to send the satellite-signal data in real time.
In CDMA (Code Division Multiple Access, i.e. code division multiple access) wireless network, can there be a plurality of position determining entity access servers in location services system in network.In general, position determining entity is preserved the base station data in certain zone, and the gps satellite of position determining entity with reference to the receiving equipment coverage generally about 600 kilometers.Therefore, when the user roams out regional that its ownership position determining entity access server served, the base station data of travelling carriage region has not been present in the ownership position determining entity access server, and the gps satellite data receiver can not receive corresponding data.Re-use ownership position determining entity access server like this and position, travelling carriage will can not get necessary assist location information, cause positioning accuracy to reduce, even the location failure.In the location under non-trust mode, must consider travelling carriage roaming and the switching problem between each position determining entity.
In the roaming and switching flow in existing network, only at the roaming and the switching of non-trust mode positioning flow, for the roaming under the trust mode with switch the scheme that not have solution.
Summary of the invention
The objective of the invention is to solve above-mentioned problems of the prior art, existing switching flow is carried out effectively improving and replenishing, and propose in a kind of navigation system of mobile communication network, trust mode is realized the method that position determining entity switches down.
The present invention is such specific implementation:
A kind of method that realizes the position determining entity switching under trust mode comprises:
Step 1, travelling carriage have access to ownership position determining entity access server;
It is characterized in that also comprising following processing:
Whether step 2, judgement ownership position determining entity access server position service to travelling carriage: be, measurement or computing information that travelling carriage reports are issued position determining entity,, ownership position determining entity access server is not preserved measurement or the computing information that travelling carriage reports;
Measurement or computing information that step 3, position determining entity report according to travelling carriage, judging whether to position entity switches: be, position determining entity sends the position determining entity handoff request to ownership position determining entity access server, and change next step processing, not, position determining entity is finished gps satellite search auxiliary data and is collected or position calculation according to travelling carriage required parameter or response parameter;
Step 5, ownership position determining entity access server will before be preserved and later travelling carriage reports measurement or computing information are forwarded to positioning service entity access server, and the message that positioning service entity access server is dealt into travelling carriage passes through travelling carriage;
Calculate step 6, positioning service entity access server and position determining entity completing place.
After described travelling carriage has access to ownership position determining entity access server, send related news and position determining entity and carry out the mutual of base station and satellite measurement data.
Described ownership position determining entity access server does not position service to travelling carriage, and ownership position determining entity access server according to the interacting message order, is preserved interactive messages bag between travelling carriage and the position determining entity in the data field.
Described ownership position determining entity access server positions service to travelling carriage, and position determining entity and travelling carriage constantly carry out Signalling exchange, measurement that receiving mobile reports or computing information.
Measurement that described receiving mobile reports or computing information comprise the network parameter of wireless area or travelling carriage and base station pilot tone or with the pseudorange of satellite, perhaps travelling carriage initial position message;
The network parameter of described wireless area can be system identification number, network identification mark, Base Station Identification, mobile switch identification number, network parameters such as network title.
Described position determining entity sends the position determining entity handoff request to ownership position determining entity access server, with the system identification of travelling carriage wireless area number, network identification mark, Base Station Identification, the mobile switch identification number, network parameters such as network title send to ownership position determining entity access server, and change next step processing.
The position calculation that described positioning service entity access server and position determining entity are finished comprises that position determining entity and travelling carriage constantly carry out Signalling exchange, and measurement that receiving mobile reports or computing information offer travelling carriage subsidiary information.
Adopt technical solution of the present invention, by in the trust mode positioning flow, increasing the flow process that position determining entity switches, can guarantee that position determining entity provides the base station supplementary of portable terminal current location, guarantee the current position of portable terminal in the coverage of position determining entity gps satellite with reference to receiving equipment, the precision and the success rate that make trust mode be positioned at when switching are all strengthened greatly.
Description of drawings
The entity framework schematic diagram of the non-trust mode AGPS of Fig. 1 navigation system;
The entity framework schematic diagram of Fig. 2 trust mode AGPS navigation system;
The schematic flow sheet that switch Fig. 3 trust mode location;
Fig. 4 trust mode is located to switch and ownership place implementing procedure figure;
The implementing procedure figure that returns the possession is switched in Fig. 5 trust mode location;
The implementing procedure figure that switches between the non-attribution of Fig. 6 trust mode location.
Embodiment
Existing localization method can be with reference to CHINAUNICOM's industry standard " specification requirement of 800MHz CDMA digital mobile cellular telecommunication net V2 positioning service user plane relevant device ", " CDMA 1X digital mobile cellular telecommunication net travelling carriage standard ", international standard " ANSITIA/EIA-IS-801 Postion Deternimation Service Standard for Dual Mode Sperate SpectrumSystems ".
What Fig. 3 provided is to realize under the trust mode of the present invention specifically describing by the schematic flow sheet that position determining entity switches as follows:
(S31) after travelling carriage has access to ownership position determining entity access server, send related news and position determining entity and carry out the mutual of base station and satellite measurement data.Ownership position determining entity access server checks that at first whether can position service to this travelling carriage judges.Not, then entering step (S32), is then to enter (S33) step;
(S32) ownership position determining entity access server according to the interacting message order, is preserved interactive messages between travelling carriage and the position determining entity in the data field;
(S33) position determining entity and travelling carriage constantly carry out Signalling exchange, measurement that receiving mobile reports or computing information, these information comprise the network parameter of wireless area or travelling carriage and base station pilot tone or with the pseudorange of satellite, perhaps travelling carriage initial position message, wherein the network parameter of wireless area can be system identification number, network identification mark, Base Station Identification, the mobile switch identification number, network parameters such as network title;
(S34) measurement or the computing information that report according to travelling carriage of position determining entity judges this moment, whether this position determining entity can provide service to travelling carriage; If this service can be provided, promptly do not need to position entity and switch, enter step (S36), otherwise, promptly need to position entity and switch, then enter step (S35);
(S35) position determining entity sends the position determining entity handoff request to ownership position determining entity access server, and with (the system identification number of the network parameter of travelling carriage wireless area, network identification mark, Base Station Identification, the mobile switch identification number, network title etc.) send to ownership position determining entity access server, and enter step (S37);
(S36) position determining entity is finished gps satellite search auxiliary data and is collected or position calculation according to travelling carriage required parameter or response parameter;
(S37) ownership position determining entity access server is searched the positioning service entity access server at the current place of travelling carriage by the cell information at travelling carriage place;
(S38) ownership position determining entity access server will before be preserved the measurement or the computing information that report with later travelling carriage and be forwarded to positioning service entity access server, and the message that the positioning service access server is dealt into travelling carriage passes through travelling carriage;
(S39) positioning service entity and travelling carriage constantly carry out Signalling exchange, and measurement that receiving mobile reports or computing information offer travelling carriage subsidiary information, finish location of mobile station result's calculating at last.
Following switching direction according to travelling carriage has been described the switching implementing procedure of travelling carriage respectively:
Fig. 4 locatees to switch for trust mode and ownership place implementing procedure figure, this Figure illustrates travelling carriage is switched to non-attribution by ownership place flow process.In this flow process, ownership location access server is finished the transparent transmission of message, and travelling carriage itself does not also know for the position determining entity of its service change to have taken place.
4.1 travelling carriage is linked into ownership location access server, beginning trust mode location;
4.2 travelling carriage and position determining entity 1 download by the transmission of position determining entity access server that to carry out position data mutual, download auxiliary positioning data.Ownership position determining entity access server is preserved measurement or the computing information that travelling carriage reports;
4.3 position determining entity 1 turns back to travelling carriage by the position determining entity access server with position result;
Step 4.1 repeats repeatedly to 4.3;
4.4 travelling carriage is initiated the trust mode location once more and position determining entity 1 carries out information interaction;
4.5, obtain the network parameter of current wireless sub-district in the signaling that position determining entity 1 reports according to travelling carriage, judge that travelling carriage has exceeded the service range of this position determining entity.Position determining entity 1 sends the position determining entity handoff request to the ownership access server, has comprised the wireless parameter information of sub-district, the current place of travelling carriage;
4.6 the ownership access server finds the current positioning service entity access server of travelling carriage according to the wireless parameter information of sub-district, the current place of travelling carriage, utilizes the information of buffer memory to initiate Location Request to positioning service entity access server.For interacting message between travelling carriage and the service position determining entity access server provides the transparent forwarding function;
4.7 travelling carriage and position determining entity 2 download by ownership position determining entity access server, positioning service entity access server transparent transmission that to carry out position data mutual, download auxiliary positioning data;
4.8 position determining entity 2 turns back to travelling carriage with position result.
Fig. 5 switches the implementing procedure figure that returns the possession for the trust mode location, this Figure illustrates the flow process that travelling carriage is switched to ownership place by non-attribution.
5.1 travelling carriage is linked into ownership location access server, beginning trust mode location;
5.2 the ownership access server finds the current positioning service entity access server of travelling carriage according to the wireless parameter information of sub-district, the current place of travelling carriage, and preserves measurement or computing information that travelling carriage reports.Travelling carriage and position determining entity 2 download by ownership position determining entity access server, positioning service entity access server transparent transmission that to carry out position data mutual, download auxiliary positioning data;
5.3 position determining entity 2 turns back to travelling carriage by positioning service entity access server, ownership position determining entity access server with position result;
Step 5.1 repeats repeatedly to 5.3;
5.4 travelling carriage is initiated the trust mode location once more and position determining entity 2 carries out information interaction;
5.5, obtain current wireless subzone network parameter in the signaling that position determining entity 2 reports according to travelling carriage, judge that travelling carriage has exceeded the service range of this position determining entity.Position determining entity 2 sends the location handoff request to the ownership access server, has comprised the wireless parameter information of sub-district, the current place of travelling carriage;
5.6 the ownership access server is according to the wireless parameter information of sub-district, the current place of travelling carriage, finding the current positioning service entity access server of travelling carriage is book server, utilizes the information of buffer memory to initiate Location Request to position determining entity 1.It is mutual that travelling carriage and position determining entity 1 carry out position data, downloads auxiliary positioning data;
5.7 position determining entity 1 turns back to travelling carriage with position result.
The implementing procedure figure of Fig. 6 for switching between the non-attribution of trust mode location this Figure illustrates the flow process that travelling carriage switches between two non-attributions.
6.1 travelling carriage is linked into ownership location access server, beginning trust mode location;
6.2 the ownership access server finds the current positioning service entity access server 1 of travelling carriage according to the wireless parameter information of sub-district, the current place of travelling carriage, and preserves measurement or computing information that travelling carriage reports.Travelling carriage and position determining entity 1 download by ownership position determining entity access server, positioning service entity access server 1 transparent transmission that to carry out position data mutual, download auxiliary positioning data;
6.3 position determining entity 1 turns back to travelling carriage by positioning service entity access server 1, ownership position determining entity access server with position result;
Step 6.1 repeats repeatedly to 6.3;
6.4 travelling carriage is initiated the trust mode location once more and position determining entity 1 carries out information interaction;
6.5, obtain current wireless subzone network parameter in the signaling that position determining entity 1 reports according to travelling carriage, judge that travelling carriage has exceeded the service range of this position determining entity.Position determining entity 1 sends the location handoff request to the ownership access server, has comprised the wireless parameter information of sub-district, the current place of travelling carriage;
6.6 the ownership access server finds the current positioning service entity access server 2 of travelling carriage according to the wireless parameter information of sub-district, the current place of travelling carriage, utilizes the information of buffer memory to initiate Location Request to position determining entity 2;
6.7, travelling carriage and position determining entity 2 by positioning service entity access server 2, that ownership position determining entity access server carries out position data is mutual, downloads auxiliary positioning data;
6.8 position determining entity 2 turns back to travelling carriage by positioning service entity access server 2, ownership position determining entity access server with position result.
Adopt technical solution of the present invention, by in the trust mode positioning flow, increasing the flow process that position determining entity switches, can guarantee that position determining entity provides the base station supplementary of portable terminal current location, guarantee the current position of portable terminal in the coverage of position determining entity gps satellite with reference to receiving equipment, the precision and the success rate that make trust mode be positioned at when switching are all strengthened greatly.
The above only is preferred embodiment of the present invention, and in order to restriction the present invention, within the spirit and principles in the present invention all, any modification of being done is not equal to replacement, improves etc., all should be included within protection scope of the present invention.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100803684A CN100450290C (en) | 2005-07-04 | 2005-07-04 | A Method of Realizing Positioning Entity Switching in Trusted Mode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100803684A CN100450290C (en) | 2005-07-04 | 2005-07-04 | A Method of Realizing Positioning Entity Switching in Trusted Mode |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1893718A true CN1893718A (en) | 2007-01-10 |
| CN100450290C CN100450290C (en) | 2009-01-07 |
Family
ID=37598120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100803684A Expired - Fee Related CN100450290C (en) | 2005-07-04 | 2005-07-04 | A Method of Realizing Positioning Entity Switching in Trusted Mode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100450290C (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1275405C (en) * | 2002-06-27 | 2006-09-13 | 中兴通讯股份有限公司 | Method for implementing positioning service in communication system |
| CN1223227C (en) * | 2002-10-17 | 2005-10-12 | 华为技术有限公司 | Positioning method for AGPS mobile in mobile communication network |
| US20050066044A1 (en) * | 2003-06-30 | 2005-03-24 | Hemant Chaskar | IP-based location service within code division multiple access network |
| CN1269370C (en) * | 2003-09-27 | 2006-08-09 | 中兴通讯股份有限公司 | Positioning method of mobile communication system |
| CN1332215C (en) * | 2003-10-24 | 2007-08-15 | 中兴通讯股份有限公司 | Moving localization method |
-
2005
- 2005-07-04 CN CNB2005100803684A patent/CN100450290C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN100450290C (en) | 2009-01-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7822423B2 (en) | Provision of location information | |
| US20200267508A1 (en) | Systems and architectures for support of high-performance location in a next generation radio access network | |
| CN1922913B (en) | Method, system and device for providing location information | |
| CN1691826A (en) | Positioning apparatus and method of a mobile terminal | |
| CN1199508C (en) | Telecommunications system and method for telecommunications system | |
| CN1437822A (en) | A method and system for providing location dependent information | |
| CN1223227C (en) | Positioning method for AGPS mobile in mobile communication network | |
| CN101361392A (en) | Terminal state discovery during secure user plane location location | |
| CN1422507A (en) | Telephone Service in Mobile IP Network | |
| CN1922910A (en) | Providing location information | |
| CN1914833A (en) | Method for locating mobile terminals | |
| CN1471796A (en) | Utilizes packet-switched and circuit-switched messages to locate user terminals in packet-switched mobile telephony networks | |
| CN1742497A (en) | Location technology support determinations in wireless communication networks and devices | |
| CN1489875A (en) | Service Provisioning in Communication Systems | |
| CN1925670A (en) | Method for realizing burst mode positioning in mobile communication system | |
| CN1559043A (en) | Method and apparatus for controlling information provided to users in a network | |
| CN101009943A (en) | A switching method for the mobile positioning center in the continuous positioning and its device | |
| EP4133792A1 (en) | Network nodes for improved client device mobility analytics in communication systems | |
| CN1671235A (en) | Method for locating roaming target user in location service | |
| CN1812623A (en) | Method for positioning mobile station | |
| CN1893718A (en) | Method for realizing location entity switching-over in dependence mode | |
| CN100352305C (en) | Positioning method based on radio small zone parameter | |
| KR100775538B1 (en) | Method and system for providing location based service for roaming subscriber | |
| CN1829377A (en) | Positioning entity switching method when continuous positioning | |
| CN1269370C (en) | Positioning method of mobile communication system |
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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090107 Termination date: 20190704 |