CN1270744A - Determination of the geographical location of a mobile terminal in a mobile telephone system - Google Patents
Determination of the geographical location of a mobile terminal in a mobile telephone system Download PDFInfo
- Publication number
- CN1270744A CN1270744A CN98809033.3A CN98809033A CN1270744A CN 1270744 A CN1270744 A CN 1270744A CN 98809033 A CN98809033 A CN 98809033A CN 1270744 A CN1270744 A CN 1270744A
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- China
- Prior art keywords
- base station
- terminal
- terminals
- described systems
- information
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- 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.)
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
- G01S5/0009—Transmission of position information to remote stations
- G01S5/0081—Transmission between base stations
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S2205/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
- G01S2205/001—Transmission of position information to remote stations
- G01S2205/006—Transmission of position information to remote stations for emergency situations
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention relates to a mobile telephone system comprising a number of coverage areas, each coverage area being served by at least one base station (100), a number of subscriber terminals (106, 108) communicating with one or more base stations, and from which terminals at least some are arranged to determine their geographical location and to inform the base station of the location. The terminals are arranged to inform the base station of their geographical location at certain intervals. To improve the call set-up quality of the terminal, the base station is arranged to store one or more location information items transmitted by each terminal, and to determine the direction of travel and the speed of the terminal on the basis of the location information transmitted by the terminal.
Description
The present invention relates to a kind of mobile telephone system, this system comprises some areas of coverage, each area of coverage is served by at least one base station, the user terminal of some and one or more base station communications, and at least some are used for determining its geographical position and with its position informing base station in these terminals.
The geographic area that general mobile telephone system covers is very wide, and comprises that several areas of coverage are the sub-district, and each sub-district is served by a base station usually.Usually according to the call business amount in the zone, the difference of the size of sub-district is very big.Sub-district in the high traffic density district is generally little than the sub-district of calling out in the less zone.No matter the sub-district is much, usually require to know the geographical position or the direct of travel of mobile phone.
In order to determine the geographical position of terminal, existing multiple diverse ways.According to the propagation delay of signal, can easily determine the distance between terminal and the base station of communicating by letter with it.One of the most frequently used method is called triangulation, and in this method, three or three above base stations are measured the signal of terminal, and calculate the position of terminal according to the propagation delay of signal.Yet, according to this triangulation, can not very accurately detect the position of terminal, therefore, in the application that needs the accurate geographic position parameter, can not use the positional information that obtains like this.
In the past, the terminal direct of travel was to determine according to the continuous signal strength measurement that base station or terminal are carried out.Direct of travel also can be estimated according to triangulation.These methods can not fully be described actual direct of travel and speed.
US 5546445 discloses a kind of scheme, and in this scheme, mobile phone comprises a GPS receiver, and mobile phone utilizes global position system to determine its position by this GPS receiver.In this disclosed scheme, this positional information is used to call out inventory (call invoicing).
The existing mobile phone system can not effectively utilize this positional information in calling out maintenance.
The objective of the invention is, provide a kind of mobile telephone system to solve the problems referred to above.The sort of mobile telephone system that proposes in this available foreword realizes, this system is characterized in that, these terminals are used for some at interval with its geographic location notification base station, this base station is used for storing one or more by the position information item that each terminal sent, and determines the direct of travel and the speed of terminal according to the positional information that terminal sent.
The invention still further relates to the sort of mobile telephone system that proposes in the foreword, this system is characterized in that, these terminals are used for some at interval with its geographic location notification base station, this base station is used for storing one or more by position information item that each terminal sent, and when terminal sent urgent call, the base station was used for the geographic location notification urgent call receiver of this terminal.
The present invention is based on such thought, global position system can detect the position of mobile phone quickly and accurately, and in view of the above, positional information can not applicable variety of issue before this information can be advantageously applied to.
System of the present invention provides many advantages.The invention enables the position that accurately to determine phone apace, and in calling out maintenance, can effectively utilize this positional information.Described in preferred implementation of the present invention such as the appended claims book.
Below, by some preferred implementations in detail the present invention is described in detail with reference to accompanying drawing, wherein:
Fig. 1 has illustrated an example of mobile telephone system of the present invention,
Fig. 2 has illustrated when determining the direct of travel of terminal and working condition of the present invention under the handover case,
Working condition of the present invention when Fig. 3 has illustrated the employing beam forming technigue,
Fig. 4 illustrated under the emergency call situations working condition of the present invention and
Fig. 5 has illustrated an example according to the structure of the terminal of mobile telephone system of the present invention.
Fig. 1 has illustrated the part of the mobile telephone system of having used the inventive method.This system comprises a base station 100, and it has the two-way 102-104 of connection with user terminal 106-108.System of the present invention can use arbitrary known multiple access method, because essential characteristic of the present invention is irrelevant with the multiple access method that is adopted.In system of the present invention, terminal utilizes Random Access Channel to set up and being connected of base station.When connecting, corresponding signaling channel sent signaling information mutually during terminal and base station can utilize and be connected.
In system of the present invention, at least some terminals are used for determining its geographical position and with its position informing base station.This preferably utilizes global position system to finish.A kind of global position system like this is a global position system GPS.In this case, terminal 106,108 is passed through the signal 110 of some satellite stations receptions from satellite system 112, and utilizes known method to determine its position.
Fig. 2 at first is discussed, this Figure illustrates working condition of the present invention when determining the direct of travel of terminal.The signal 110 that terminal 106 receives from satellite system 112, and utilize this signal to determine its position with some predetermined for example intervals of rule.This terminal with some at interval with this position informing base station 100.This information can send with Random Access Channel, and perhaps, if the existing ongoing calling of terminal, this information sends with corresponding signaling channel in connecting so.
Terminal can be at regular intervals with its geographic location notification base station.Perhaps, after having determined its position, terminal compares latest position information and the information that sent to the base station last time.If latest position has differed a certain predetermined threshold with the position that reports to the base station, so, terminal is with this geographic location notification base station.So, can reduce the signaling traffic between terminal and the base station.
The positional information of base station 100 receptions and storage terminal.The base station is according to two or two gait of march and directions that above continuous position information is come computing terminal.Utilize this information, the influence of the Doppler drift of terminal signaling can be eliminated in the base station.In fast terminal (superexpress train or other high-speed carriering tools) connected, the speed of terminal can cause signal to disturb i.e. Doppler drift.As everyone knows, Doppler drift can solve with following formula:
D＝f*v*cos(α)
Wherein, f represents frequency, the speed of v GC group connector, and the α GC group connector is with respect to the direct of travel of base station.
The solution of the present invention also can be applicable to adopt the base station of beam forming technigue.In this case, antenna beam points to each communication terminal.As shown in Figure 3.This system comprises a base station 100, and it is communicated by letter with user terminal 106-108 by such method: the base station utilizes known beam forming technigue to form some specific antenna beams 300,302 at each terminal.For example, the antenna array that utilizes several antenna elements to constitute, the suitable phase place of adjusting the signal that will send just can form these beams.When utilizing the directional antenna beam, the information of the direction that the base station need be located about terminal certainly.According to the positional information that terminal sent, constantly antenna beam can be directed to suitable direction at each.
For a certain call setup message, terminal can be with its position informing base station.Therefore, confirm that in view of call setup the base station can utilize the antenna beam of appropriate orientation, because the location aware of terminal.
The solution of the present invention also is applicable to emergency call situations.In this case, it is most important to find out the position of terminal rapidly.Fig. 4 is discussed below, this Figure illustrates this method of the present invention.User terminal 106 utilizes satellite system 112 to determine its position, and at regular intervals with its position informing base station 100.When a urgent call when terminal 106 is sent, the latest position information that this terminal sends is checked in the base station, and with this information forwarded upstream to network hierarchy series, further to be sent to urgent call receiver 400.
Moreover the solution of the present invention also can be applicable to some other application target.For example, when selected terminal will be ordered a base station of moving well according to it, handover can utilize the position and the directional information of terminal between the base station.Fig. 2 is discussed below again, this Figure illustrates working condition of the present invention under the handover case.The signal 110 that terminal 106 receives from satellite system 112, and utilize this signal to determine its position with some predetermined for example intervals of rule.Terminal with some at interval with its position informing base station 100.This system also comprises second base station 200 and a base station controller 202, and this base station controller is controlled the operation of base station and business is sent to other parts of system and is sent to external system.Comprise that a base station controller and some are subjected to an entity of the base station of this base station controller control to be called base station system.
When terminal when move second base station, the base station controller track terminal move and realize best handover.In configuration of the present invention, this base station system can be prepared a channel according to location information of terminals from new sub-district.
In some system, for example for the ease of measuring, terminal is safeguarded the neighbor base station tabulation.In system of the present invention, base station system utilizes location information of terminals can revise the neighbor cell list that terminal is safeguarded.
Fig. 5 is discussed below, and this figure has illustrated an example according to the structure of the terminal of mobile telephone system of the present invention.This terminal comprises an antenna 500, and this antenna receives from signal of base station 502 with from the signal 504 of global position system.At receive direction, this signal is input to filter 506 from antenna, is input to radio-frequency unit 508 by filter again, is input to A/D converter 510 then and is input to decoder 512 again, and be input to the miscellaneous part 524 of receiver thus.At sending direction, the signal 526 that send is input to encoder 518, is input to modulator 516 again, inputs to antenna 500 by radio-frequency unit 514 and filter 506 then.When needing the location, signal is input to framing signal receiver 522 from antenna, and this receiver can be GPS receiver that is integrated in the prior art in the terminal for example.This integrated available several different methods realizes that these methods are conspicuous for those of skill in the art.This terminal also comprises a control unit 520, the operation of its each parts of control appliance, and it is generally realized by signal processor or general processor, and in this control unit, can realize method step of the present invention with software well.
In other words, this terminal utilizes GPS receiver apparatus 522 to receive signal 504 from global position system, and terminal can adopt known method to determine its position by this receiver.These terminals of control device 520 control at regular intervals by signaling channel with the position informing base station.Notice that an example of the structure of receiver only has been described among the figure, and the solution of the present invention also receiver of available other types realizes.
Although abovely set forth the present invention with reference to the example shown in the accompanying drawing, obviously, the present invention is not limited thereto, and revise in many ways in the scope of the inventive concept that can be set forth in the appended claims book.
Claims (12)
1. mobile telephone system, this system comprises some areas of coverage, each area of coverage is served by at least one base station (100), the user terminal (106,108) of some and one or more base station communications, and at least some are used for determining its geographical position and with its position informing base station, it is characterized in that in these terminals:
These terminals are used for some at interval with its geographic location notification base station,
This base station is used for storing one or more by the position information item that each terminal sent, and determines the direct of travel and the speed of terminal according to the positional information that terminal sent.
2. the system as claimed in claim 1 is characterized in that, the influence of the Doppler drift that terminal signaling is eliminated according to the direct of travel and the speed of terminal in the base station.
3. mobile telephone system, this system comprises some areas of coverage, each area of coverage is served by at least one base station (100), the user terminal (106,108) of some and one or more base station communications, and at least some are used for determining its geographical position and with its position informing base station, it is characterized in that in these terminals:
These terminals are used for some at interval with its geographic location notification base station,
This base station is used for storing one or more by the position information item that each terminal sent, and when terminal sent urgent call, the base station was used for the geographic location notification urgent call receiver of this terminal.
4. as claim 1 or 3 described systems, it is characterized in that these terminals utilize global position system (112) to determine its geographical position.
5. as claim 1 or 3 described systems, it is characterized in that the base station utilizes the directional antenna beam to set up and being connected of these terminals, and is that also when beam-positioning, the base station will utilize location information of terminals.
6. as claim 1 or 3 described systems, it is characterized in that for a certain call setup message, terminal can be with its position informing base station.
7. as claim 1 or 3 described systems, it is characterized in that these terminals are used for general signaling channel its position informing base station.
8. as claim 1 or 3 described systems, it is characterized in that these terminals are used at regular intervals with its geographic location notification base station.
9. as claim 1 or 3 described systems, it is characterized in that, after having determined its position, terminal compares latest position information and the information that sent to the base station last time, if and latest position has differed a certain predetermined threshold with the position that reports to the base station, so, terminal is with this geographic location notification base station.
10. as claim 1 or 3 described systems, it is characterized in that when handover, base station (100) can utilize location information of terminals with base station controller (202).
11., it is characterized in that base station (200) are used for preparing a channel according to location information of terminals from new sub-district with base station controller (202) as claim 1 or 3 described systems.
12., it is characterized in that base station (100) utilize location information of terminals can revise the neighbor cell list that terminal is safeguarded with base station controller (202) as claim 1 or 3 described systems.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI973663 | 1997-09-11 | ||
| FI973663A FI973663A (en) | 1997-09-11 | 1997-09-11 | Mobile Phone System |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1270744A true CN1270744A (en) | 2000-10-18 |
Family
ID=8549515
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN98809033.3A Pending CN1270744A (en) | 1997-09-11 | 1998-09-09 | Determination of the geographical location of a mobile terminal in a mobile telephone system |
Country Status (7)
| Country | Link |
|---|---|
| EP (1) | EP1021930A2 (en) |
| JP (1) | JP2001517913A (en) |
| CN (1) | CN1270744A (en) |
| AU (1) | AU9163998A (en) |
| FI (1) | FI973663A (en) |
| NO (1) | NO20001197L (en) |
| WO (1) | WO1999016276A2 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1107427C (en) * | 1999-01-25 | 2003-04-30 | 日本电气株式会社 | Path connecting controlling system and controlling method for CDMA mobile communication system |
| CN102158844A (en) * | 2011-05-13 | 2011-08-17 | 中国联合网络通信集团有限公司 | Method and system for updating position of base station |
| CN101309510B (en) * | 2002-06-27 | 2013-03-20 | 高通股份有限公司 | Controlling geographic location information of devices operating in wireless communication systems |
| CN103458130A (en) * | 2012-05-28 | 2013-12-18 | 中兴通讯股份有限公司 | Calling method, calling system, calling terminal, dialing sequence server and mapping server |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6321090B1 (en) | 1998-11-06 | 2001-11-20 | Samir S. Soliman | Mobile communication system with position detection to facilitate hard handoff |
| US6587689B1 (en) * | 1999-08-19 | 2003-07-01 | Texas Instruments Incorporated | Multi-sensor assisted cellular handoff technique |
| US6611688B1 (en) | 2000-02-22 | 2003-08-26 | Ericsson Inc. | Position reporting method for a mobile terminal in a mobile communication network |
| JP3414360B2 (en) * | 2000-05-17 | 2003-06-09 | 日本電気株式会社 | Incoming call barring system and incoming call barring method |
| FR2822629B1 (en) * | 2001-03-22 | 2003-06-13 | Alternis | SYSTEM FOR MONITORING LOCATION DATA OF GEOLOCABLE DEVICES |
| GB2418106B (en) * | 2001-05-04 | 2006-06-21 | Nokia Corp | A communication system |
| CN1147737C (en) * | 2002-03-07 | 2004-04-28 | 冯鲁民 | Multifunctional ground locating system |
| EP1494488A1 (en) * | 2003-07-01 | 2005-01-05 | Precisa Instruments AG | Mobile phone comprising position computation means |
| JPWO2009110053A1 (en) * | 2008-03-03 | 2011-07-14 | 富士通株式会社 | Broadcast service signal transmission method |
| DE102012106958A1 (en) * | 2012-07-31 | 2015-08-13 | Deutsche Telekom Ag | Compensation of the Doppler effect during data transmission in the millimeter and terahertz range |
| DE102019206466A1 (en) * | 2019-05-06 | 2020-11-12 | Robert Bosch Gmbh | Method and apparatus for operating a wireless communication network |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3052405B2 (en) * | 1991-03-19 | 2000-06-12 | 株式会社日立製作所 | Mobile communication system |
| US5546445A (en) * | 1991-12-26 | 1996-08-13 | Dennison; Everett | Cellular telephone system that uses position of a mobile unit to make call management decisions |
| US5235633A (en) * | 1991-12-26 | 1993-08-10 | Everett Dennison | Cellular telephone system that uses position of a mobile unit to make call management decisions |
| GB2271486B (en) * | 1992-10-07 | 1997-04-16 | Motorola Ltd | A communication system |
| AU666279B2 (en) * | 1993-06-14 | 1996-02-01 | Motorola, Inc. | Cellular communication system having information retrieval and method therefor |
| FI941096A (en) * | 1994-03-09 | 1996-01-07 | Zarei Behruz Vazvan | Mobile Phone Parking System |
| GB2309865A (en) * | 1996-01-30 | 1997-08-06 | Sony Corp | Radio receiver with Doppler frequency shift correction |
| US6512481B1 (en) * | 1996-10-10 | 2003-01-28 | Teratech Corporation | Communication system using geographic position data |
-
1997
- 1997-09-11 FI FI973663A patent/FI973663A/en unknown
-
1998
- 1998-09-09 WO PCT/FI1998/000703 patent/WO1999016276A2/en not_active Application Discontinuation
- 1998-09-09 JP JP2000513435A patent/JP2001517913A/en active Pending
- 1998-09-09 EP EP98943912A patent/EP1021930A2/en not_active Withdrawn
- 1998-09-09 CN CN98809033.3A patent/CN1270744A/en active Pending
- 1998-09-09 AU AU91639/98A patent/AU9163998A/en not_active Abandoned
-
2000
- 2000-03-08 NO NO20001197A patent/NO20001197L/en not_active Application Discontinuation
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1107427C (en) * | 1999-01-25 | 2003-04-30 | 日本电气株式会社 | Path connecting controlling system and controlling method for CDMA mobile communication system |
| CN101309510B (en) * | 2002-06-27 | 2013-03-20 | 高通股份有限公司 | Controlling geographic location information of devices operating in wireless communication systems |
| CN102158844A (en) * | 2011-05-13 | 2011-08-17 | 中国联合网络通信集团有限公司 | Method and system for updating position of base station |
| CN103458130A (en) * | 2012-05-28 | 2013-12-18 | 中兴通讯股份有限公司 | Calling method, calling system, calling terminal, dialing sequence server and mapping server |
Also Published As
| Publication number | Publication date |
|---|---|
| NO20001197D0 (en) | 2000-03-08 |
| WO1999016276A3 (en) | 1999-05-20 |
| AU9163998A (en) | 1999-04-12 |
| JP2001517913A (en) | 2001-10-09 |
| EP1021930A2 (en) | 2000-07-26 |
| FI973663A0 (en) | 1997-09-11 |
| NO20001197L (en) | 2000-05-10 |
| FI973663A (en) | 1999-03-12 |
| WO1999016276A2 (en) | 1999-04-01 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |