CN1158814C - Device and method for adapting mobile unit to wireless local net - Google Patents
Device and method for adapting mobile unit to wireless local net Download PDFInfo
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- CN1158814C CN1158814C CNB991248929A CN99124892A CN1158814C CN 1158814 C CN1158814 C CN 1158814C CN B991248929 A CNB991248929 A CN B991248929A CN 99124892 A CN99124892 A CN 99124892A CN 1158814 C CN1158814 C CN 1158814C
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- 238000004891 communication Methods 0.000 claims abstract description 21
- 230000008878 coupling Effects 0.000 claims description 5
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- 238000005859 coupling reaction Methods 0.000 claims description 5
- 238000001228 spectrum Methods 0.000 claims description 5
- 238000012545 processing Methods 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 2
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- 238000010586 diagram Methods 0.000 description 2
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- 238000013459 approach Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
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Abstract
The present invention relates to a device for making a mobile unit automatically adapt to the communication requirements of a specific country or geographic area and a method. The method comprises the steps that notification messages which are broadcast by one access point or a plurality of access points are received in the mobile unit, each notification message comprises an exclusive frequency characteristic which is relevant to the geographic position of the access point; frequency groups which are respectively allowed by the geographic areas relevant to the access points of the sent notification messages are determined in the mobile unit; the frequency groups of the mobile unit are adjusted so as to send out messages in the allowed frequency groups. The device can adjust other working characteristics by using the same method.
Description
The application relates to the U.S. Patent application No.08/747 that awaits the reply of submission on October 27 nineteen ninety-five, and 034, this application comprises in the present invention as a reference.
The present invention relates to data communication system, particularly relate to WLAN (wireless local area network) (LAN) communication system, mobile unit and fixed access point are got in touch in this system, and the communication characteristic of fixed access point is by the specific state definition that LAN is installed.
The line LAN of unit can be realized these unit by using Radio infrared communication links or radio frequency communication link and base station or the mutual messaging of fixed access point by long-range mobile unit.Each fixed access point covers a limited zone, so a network generally has several fixed access points.
The agreement that can adopt has IEEE 802.11 standards, and it is a kind of standard of having stipulated WLAN (wireless local area network) physical layer and data link layer.In addition, this standard has also been stipulated WLAN media interviews controls (MAC) and physics (PHY) layer standard.
In order to send message, mobile radio station is at first got in touch with fixed access point.The implication of contact is to make mobile unit and the fixed access point process to communicate synchronously, and this process is started by mobile radio station.Mobile unit is the fixed access point in aerial electric wave monitoring broadcasting and definite its scope of living at first, gets in touch according to some criterion request and a certain fixed access point subsequently.At any time, mobile unit is general only gets in touch with a fixed access point.A fixed access point can be got in touch with a plurality of mobile units.Growing along with the world market, it has been very usual thing that the user travels between country variant.Because different countries may distribute to radio communication with different frequency spectrum resources, has so just brought problem.Different in addition countries has different regulations to the power output of radio communication.The difference of these distribution and regulation may make the mobile unit that is designed for a country can't use (or not allowing to use) in another country.
Therefore need a kind of system and method, make mobile unit up to specification and be suitable for the fixed access point of different communication characteristic and communicate by letter.
The present invention relates to make mobile unit automatically to adapt to the apparatus and method of the communicating requirement of particular country or geographic area.In order to realize this ability, the present invention comprises a kind of wireless data communication network method of work, this network comprises mobile unit and one or more access point, described method comprises following steps: the notification message that receives one or more access point broadcasting in mobile unit, every described message comprises the unique frequency characteristic, and this frequency characteristic is relevant with the access point geographical position of living in that sends message; In described mobile unit, determine the group of frequencies that allows in the geographic area relevant with the access point of every described message of transmission; The group of frequencies of adjusting mobile unit is to send message on described tolerance frequency group.The present invention can in kind adjust other operation characteristic.
Fig. 1 is the schematic block diagram of wireless network general structure.
Fig. 2 is a flow chart, and it shows installs preferred embodiment wireless data communication network method of work of the present invention.
Those skilled in that art will recognize that the following description of this invention only has illustrative nature and the indefinite effect.Other embodiments of the invention are easy to make them to be inspired.
Fig. 1 is the schematic block diagram of wireless network general structure.Main frame 10 links to each other with fixed access point 14 with fixed access point 12.Radio communication in fixed access point 12 processing regions 16, and the radio communication in fixed access point 14 processing regions 18.Therefore as shown in Figure 1, fixed access point 12 is in the communication range of mobile unit 20 and 22, and fixed access point 14 is in the communication range of mobile unit 20 and 24.Though mobile unit 20 preferably at a time only with fixed access point 12 or 14 in one communicate by letter, it is in their communication range.
In one case, mobile unit 20 and fixed access point (for example fixed access point 12) contact are communicated by letter with fixed access point 12 subsequently message is sent to main frame or other mobile unit.If mobile unit 20 is got in touch with fixed access point 12, then mobile unit 20 can send message to mobile unit 22 through fixed access point 12, perhaps sends message through fixed access point 12, main frame 10 and fixed access point 14 to mobile unit 24.
In preferred embodiment of the present invention, one group of main frame and/or mobile unit have constituted WLAN (wireless local area network) (LAN).
All have all over the world and similar system shown in Figure 1.But every kind of system generally has different running parameters in each country.According to preferred embodiment of the present invention, mobile unit is designed to can be operated under the various different frequencies.Frequency range should be even as big as containing radio communication available frequencies in each country or the geographic area.In addition, mobile unit is designed to be operated on the various power setting, and its scope is even as big as containing the permission power setting of each national at least a portion.These characteristics make mobile unit can be operated in various country or geographic area.
And mobile unit be designed to can be in the use of country variant or geographic area self being disposed automatically.Can realize this design by program or the method that software or hardware comprised in the operation mobile unit.Fig. 2 is a flow chart, and it shows the method according to preferred embodiment of the present invention.In step 50, mobile unit scanning frequency spectrum, the notification message broadcasting of monitoring access point.This can comprise tuning each usable frequency that receives near message that access point is sent out public notice.For specific geographic area or country, notification message has unique frequency characteristic.
In step 52, table in the frequency characteristic of institute's receiving notice message and the memory or similar data structure are relatively.Table can comprise All Countries or frequency spectrum classification in geographic area is itemized.It can also list relevant power output or other has the regulation of material impact to the mobile unit function.In step 54, seek the country or the geographic area of coupling.At this moment, mobile unit has been determined its country of working or geographic area.In step 56, mobile unit is adjusted by operating frequency range so that it is consistent with work country or geographic area.Can also change other operating characteristic according to the regulation of table or mobile unit the country one belongs to of listing of other data structure, for example power output and modulation type.
Changing geographic area frequency and power setting (and other any operating characteristic) with after being applicable to mobile unit the country one belongs to or geographic area, the working method of mobile unit is just similar with common mobile unit.
Some regulation itself just requires it open to the user.Generally speaking, these regulations will be placed on the outer surface that can work in the country one belongs to's mobile unit.But because mobile unit of the present invention can not be done like this in the work of many different countries.Therefore, mobile unit can be designed as that the user shows correct provisioning information after determining the country one belongs to.
Referring to Fig. 1, the mode that fixed access point 12,14 and main frame 10 can hardware, software or hardware combine with software realizes.Mobile unit 22,20 and 24 can be made the unit based on programmable processor of executive software module.The embodiment of the process that is realized by software module is below described.In an embodiment, mobile unit 20,22 and 24 is the hand-hold type transacter.
People's such as the U.S. Patent No. 5,029,183 of Tymes and Tymes U.S. Patent No. 5,668,803 has transferred Symbol technical concern Co., Ltd, and their content is included in here as a reference.In the system shown in these patents, can realize the method and apparatus consistent with the principle of the invention.Each patent has all been described the similar system with Fig. 1, and hand-hold type data collection mobile device is communicated by letter with fixed access point through Radio Link in this system.
In another embodiment of the present invention, mobile unit can be configured to make the user must confirm its residing country.For example, be in Switzerland now if mobile unit is judged by tabling look-up, then can show below message on the mobile unit display screen: " you are now in Switzerland.To sign indicating number? (Y/N) ".Subsequently, in that it is set with before meeting Switzerland's standard in new configuration with mobile unit, require the user whether it is added their confirmation in Switzerland.Thereby this has reduced the possibility that mobile unit error configurations its characteristic is violated some regulation.
In another embodiment of the present invention, global positioning system (GPS) locator can be placed in the mobile unit, make the unit can confirm self-position, this has replaced requiring the user to confirm or has increased new affirmation approach.Thereby this characteristic has also reduced the possibility that mobile unit error configurations its characteristic is violated some regulation.
In another embodiment of the present invention, the user can enable or many geographic areas characteristic of stopping using (by the characteristic of aforesaid way realization).When stopping using this characteristic, mobile unit only attempts to utilize the communication setting of specific geographical area to set up communication.Setting when this setting for example can be the last shutdown of default settings or mobile unit.
Though more than described embodiments of the invention and application, for those skilled in that art, under the prerequisite that does not depart from essence of the present invention, still can make various modifications, therefore scope of the present invention is limited by the back claims.
Claims (40)
1. wireless data communication network method of work, described network comprises mobile unit and one or more access point, and described method is characterised in that and comprises following steps:
Receive the notification message of one or more access point broadcasting in mobile unit, every described message comprises and the relevant unique frequency characteristic in access point geographical position of living in that sends message;
In described mobile unit, determine the group of frequencies that allows in the geographic area relevant with the access point of every described message of transmission;
The group of frequencies of adjusting mobile unit is to send message on described tolerance frequency group.
2. the method for claim 1 is characterized in that described determining step comprises following steps:
Unique frequency characteristic of described message is compared with the table that is stored in the memory, and described table comprises itemizing corresponding to the various tolerance frequency groups of different geographic regions;
Make the interior geographic area of described unique frequency characteristic and table coupling; And
With reference to described tolerance frequency group corresponding to a described geographic area.
3. method as claimed in claim 2 is characterized in that described table further comprises itemizing corresponding to the various permission power output levels of different geographic regions.
4. method as claimed in claim 3 is characterized in that further comprising following steps:
With reference to described permission power output level corresponding to a described geographic area;
The power output level of adjusting mobile unit is to be operated in described permission power output level.
5. method as claimed in claim 2 is characterized in that described table further comprises itemizing corresponding to the various regulations of different geographic regions.
6. method as claimed in claim 5 is characterized in that further comprising following steps: to the described regulation of user's demonstration corresponding to mobile unit geographic area of living in.
7. method as claimed in claim 6 is characterized in that further comprising following steps:
With reference to described regulation corresponding to a described geographic area;
The operating characteristic of adjusting mobile unit is to observe described regulation.
8. the method for claim 1 is characterized in that mobile unit is the hand-hold type transacter.
9. the method for claim 1 is characterized in that further comprising following steps:
Whether send message to the user relevant with described access point correct to confirm the definite described geographic area of mobile unit;
Only confirming described user that described geographic area that mobile unit determines is relevant with described access point just sends when being correct.
10. the method for claim 1 is characterized in that further comprising following steps:
Utilize the global positioning system locator to confirm the residing geographic area of mobile unit;
Only confirming at described global positioning system locator that described geographic area that mobile unit determines is relevant with described access point just sends when being correct.
11. a mobile unit method of work, mobile unit designed to be used wireless network and be positioned at a geographic area, described method is characterised in that and comprises following steps:
The scanning frequency spectrum is up to the notification message that detects from access point;
Check the frequency characteristic of described notification message;
Table in described frequency characteristic and the memory is compared;
By making the geographic area coupling of listing in described frequency characteristic and the described table determine the geographic area, described table has also been listed the frequency range of each geographic area;
The operating frequency range of adjusting mobile unit makes its described frequency range corresponding to this geographic area.
12. method as claimed in claim 11 is characterized in that described table further comprises itemizing corresponding to the various permission power output levels of each geographic area.
13. method as claimed in claim 12 is characterized in that further comprising following steps: the power output level of adjustment mobile unit makes the described permission power output level corresponding to this geographic area.
14. method as claimed in claim 11 is characterized in that described table further comprises itemizing corresponding to the various regulations of different geographic regions.
15. method as claimed in claim 14 is characterized in that further comprising following steps: to the described regulation of user's demonstration corresponding to mobile unit geographic area of living in.
16. method as claimed in claim 14 is characterized in that further comprising following steps: the operating characteristic of adjusting mobile unit makes its described regulation corresponding to this geographic area.
17. method as claimed in claim 11 is characterized in that mobile unit is the hand-hold type transacter.
18. method as claimed in claim 11 is characterized in that further comprising following steps:
Whether send message to the user correct to confirm the definite geographic area of mobile unit;
Only when confirming that the definite geographic area of mobile unit is correct, described user just sends.
19. the method for claim 1 is characterized in that further comprising following steps:
Utilize the global positioning system locator to confirm the residing geographic area of mobile unit;
Only when confirming that the definite geographic area of mobile unit is consistent with mobile unit geographic area of living in, described global positioning system locator just sends.
20. a mobile unit that is used for wireless data communication network, described network comprise mobile unit and one or more access point, it is characterized in that group of frequencies and the mobile unit that can revise mobile unit comprise:
Receive the receiver of the notification message of one or more access point broadcasting in mobile unit, every described message comprises and the relevant unique frequency characteristic in access point geographical position of living in that sends message;
Determine the processing unit of the group of frequencies of permission in the geographic area relevant with the access point that sends every described message;
The group of frequencies of adjusting mobile unit is to send the group of frequencies adjuster of message on described tolerance frequency group.
21. mobile unit as claimed in claim 20 is characterized in that described processing unit comprises:
With unique frequency characteristic and the table comparator relatively that is stored in the memory of described message, described table comprises itemizing corresponding to the various tolerance frequency groups of different geographic regions;
Make the adaptation of the interior geographic area of described unique frequency characteristic and table coupling;
Reference is corresponding to first reader of the described tolerance frequency group of a described geographic area.
22. mobile unit as claimed in claim 21 is characterized in that described table further comprises itemizing corresponding to the various permission power output levels of different geographic regions.
23. mobile unit as claimed in claim 22 is characterized in that further comprising:
Second reader of the described permission power output level of the corresponding described geographic area of reference;
The power output level of adjusting mobile unit is to be operated in the power output level adjuster of described permission power output level.
24. mobile unit as claimed in claim 21 is characterized in that described table further comprises itemizing corresponding to the various regulations of different geographic regions.
25. mobile unit as claimed in claim 24 is characterized in that further comprising to the display of user's demonstration corresponding to the described regulation of mobile unit geographic area of living in.
26. mobile unit as claimed in claim 24 is characterized in that further comprising:
Reference is corresponding to the 3rd reader of the described regulation of a described geographic area;
The operating characteristic of adjusting mobile unit is to observe the operating characteristic adjuster of described regulation.
27. mobile unit as claimed in claim 20 is characterized in that mobile unit is the hand-hold type transacter.
28. mobile unit as claimed in claim 20 is characterized in that further comprising:
Display;
Send message to display, the relevant whether correct demonstration transmitter in the described geographic area that makes the user can confirm that mobile unit determines with described access point;
Only confirm the relevant transmitting set that just sends when being correct in described geographic area that mobile unit determines with described access point described user.
29. mobile unit as claimed in claim 20 is characterized in that further comprising:
Confirm the global positioning system locator of the residing geographic area of mobile unit;
Only confirm the relevant transmitting set that just sends when being correct in described geographic area that mobile unit determines with described access point at described global positioning system locator.
30. mobile unit as claimed in claim 20 is characterized in that user's many geographic areas characteristic of can stopping using.
31. a mobile unit that is used for wireless network, mobile unit is positioned at a geographic area, it is characterized in that comprising:
The scanning frequency spectrum is up to the fescan that detects from the notification message of access point;
Check the frequency characteristic detector of the frequency characteristic of described notification message;
The comparator that table in described frequency characteristic and the memory is compared;
By making the geographic area coupling of listing in described frequency characteristic and the described table determine the determiner of geographic area, described table has also been listed the frequency range of each geographic area;
The operating frequency range of adjusting mobile unit makes its frequency adjuster corresponding to the described frequency range of this geographic area.
32. mobile unit as claimed in claim 31 is characterized in that described table further comprises itemizing corresponding to the various permission power output levels of each geographic area.
33. mobile unit as claimed in claim 31 is characterized in that further comprising the power output level of adjusting mobile unit and makes its power output adjuster corresponding to the described permission power output level of this geographic area.
34. mobile unit as claimed in claim 31 is characterized in that described table further comprises itemizing corresponding to the various regulations of different geographic regions.
35. mobile unit as claimed in claim 34 is characterized in that further comprising to the display of user's demonstration corresponding to the described regulation of mobile unit geographic area of living in.
36. mobile unit as claimed in claim 34 is characterized in that further comprising the operating characteristic of adjusting mobile unit and makes its operating characteristic adjuster corresponding to the described regulation of this geographic area.
37. mobile unit as claimed in claim 31 is characterized in that mobile unit is the hand-hold type transacter.
38. mobile unit as claimed in claim 31 is characterized in that further comprising:
Display;
Send message to described display, make the whether correct demonstration transmitter in geographic area that the user can confirm that mobile unit determines;
Only confirm the transmitting set that the definite geographic area of mobile unit just sends when being correct described user.
39. mobile unit as claimed in claim 31 is characterized in that further comprising:
Confirm the global positioning system locator of the residing geographic area of mobile unit;
Only confirm the transmitting set that the definite geographic area of mobile unit just sends when consistent with mobile unit geographic area of living at described global positioning system locator.
40. mobile unit as claimed in claim 31 is characterized in that user's many geographic areas characteristic of can stopping using.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB991248929A CN1158814C (en) | 1999-11-19 | 1999-11-19 | Device and method for adapting mobile unit to wireless local net |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB991248929A CN1158814C (en) | 1999-11-19 | 1999-11-19 | Device and method for adapting mobile unit to wireless local net |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1297298A CN1297298A (en) | 2001-05-30 |
| CN1158814C true CN1158814C (en) | 2004-07-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB991248929A Expired - Lifetime CN1158814C (en) | 1999-11-19 | 1999-11-19 | Device and method for adapting mobile unit to wireless local net |
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| CN (1) | CN1158814C (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7221681B2 (en) * | 2001-11-13 | 2007-05-22 | Koninklijke Philips Electronics N.V. | Apparatus and method for providing IEEE 802.11e hybrid coordinator recovery and backoff rules |
| JP4759223B2 (en) * | 2002-04-08 | 2011-08-31 | エアマグネット， インコーポレイテッド | Station status determination in the local area |
| US7140040B2 (en) * | 2002-04-25 | 2006-11-21 | International Business Machines Corporation | Protecting wireless local area networks from intrusion by eavesdropping on the eavesdroppers and dynamically reconfiguring encryption upon detection of intrusion |
| AU2003258184A1 (en) * | 2002-08-14 | 2004-03-03 | Thomson Licensing S.A. | Session key management for public wireless lan supporitng multiple virtual operators |
| CN1720756B (en) * | 2002-12-19 | 2010-06-16 | 诺基亚公司 | System and switching mechanism and its device in multi-band environment |
| US7382741B2 (en) * | 2003-06-25 | 2008-06-03 | Canon Kabushiki Kaisha | Configuration of wireless network client |
| US7466678B2 (en) * | 2003-12-29 | 2008-12-16 | Lenovo (Singapore) Pte. Ltd. | System and method for passive scanning of authorized wireless channels |
| CN101807963A (en) * | 2010-03-12 | 2010-08-18 | 圆刚科技股份有限公司 | Mobile playing method and mobile playing device |
| CN102213988A (en) * | 2010-04-07 | 2011-10-12 | 纬创资通股份有限公司 | Method for adjusting suitable current frequency and computer system using the same |
| US9594111B2 (en) | 2013-02-27 | 2017-03-14 | Infineon Technologies Ag | Turret handlers and methods of operations thereof |
| CN104023413B (en) * | 2014-06-13 | 2019-06-04 | Oppo广东移动通信有限公司 | New media device access method and media device access system in media network system |
-
1999
- 1999-11-19 CN CNB991248929A patent/CN1158814C/en not_active Expired - Lifetime
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| CN1297298A (en) | 2001-05-30 |
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Address after: American New York Patentee after: MOTOROLA SOLUTIONS INC Address before: American New York Patentee before: Symbol Technologies Co., Ltd. |
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