CN101277530A - Mobile communication access method capable of reducing overshooting interference influence - Google Patents
Mobile communication access method capable of reducing overshooting interference influence Download PDFInfo
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- CN101277530A CN101277530A CNA2008100671439A CN200810067143A CN101277530A CN 101277530 A CN101277530 A CN 101277530A CN A2008100671439 A CNA2008100671439 A CN A2008100671439A CN 200810067143 A CN200810067143 A CN 200810067143A CN 101277530 A CN101277530 A CN 101277530A
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Abstract
The present invention provides a method of mobile communication access for reducing effect of over-zone interference of the mobile communication system, ensuring the mobile communication terminal select the base station providing a communication service access according to the position, capable of reducing the effect of the over-zone interference, easing dropping rate of the wireless communication, at the same time, having characteristics of easy implement, convenient use.
Description
Technical field
The present invention relates to a kind of reduction that constitutes by mobile switching center, base station, mobile communication terminal, positioning distance measuring system and location determination process software system and distinguish the mobile communication access method of interference effect more, belong to moving communicating field.
Background technology
In present cordless communication network, as mobile communication system such as GSM, CDMA, because satisfying communication field intensity, cover to require with reducing more that the district disturbs be a pair of contradiction, interference phenomenon is distinguished in easy appearance more when improving field intensity covering index elimination communication blind district, occurring the communication coverage hole when disturbing easily and reduce to distinguish more, in currently used measure, all is to adopt adjustment base station distribution and antenna system to change coverage effect, but this mode workload is big, can not handle this effectively well to contradiction.
Owing to insert in the decision mechanism in the radio communication service that adopts at present, mainly the relevant parameter that covers with field intensity is a foundation, influenced by nature and architectural environment bigger and field intensity covers, cause the phenomenon of district's interference more commonplace, only depend on field intensity to cover parameter and can not reflect fully whether the base station that provides radio communication service to insert is reasonable, more the district disturbs and causes occurring the radio communication service access channel easily and switch and the phenomenon of call drop repeatedly, therefore, be necessary to adjust parameter and the method for selecting radio communication service access base station institute foundation, design a kind of mobile communication access method, reduce the influence that district's interference more brings, reduce the cutting off rate of radio communication.
Summary of the invention
The objective of the invention is to, provide a kind of reduction that is used for mobile communication system to distinguish the mobile communication access method of interference effect more, make mobile communication terminal select the suitable base station that provides communication service to insert according to the position, reduce the influence that district's interference more brings, alleviate the cutting off rate of radio communication.
For achieving the above object, the present invention introduces the mobile communication access method that interference effect is distinguished in a kind of reduction that is made of mobile switching center, base station, mobile communication terminal, positioning distance measuring system and location determination process software system more, it is characterized in that being provided with in each base station effective service distance range parameter; The base station allows to be in zone that effective service distance range parameter of this base station indicated and inserts this base station with the radio communication service of interior mobile communication terminal; Zone that distance range parameter indicated is effectively served with the interior and relative distance base station near this mobile communication terminal for this mobile communication terminal is in it in the base station that the radio communication service that mobile communication terminal is selected inserts; Mobile communication terminal is in the zone that effective service distance range parameter of the base station that is in the radio communication service access state with it is indicated the time, do not change the channel with the radio communication service access of this base station.Wherein, the positioning distance measuring system is arranged on mobile communication terminal and base station, and relative position determination processing software systems are arranged on mobile switching centre; The radio communication service access is mobile communication terminal provides user's communication, transfer of data and control information transmission to insert.
The course of work of the present invention is: carrying out radio communication planning and base station when being provided with, cover and the environmental architecture situation according to base station distribution, field intensity, in the configuration parameter of each base station, set corresponding radio communication service and insert the distance range parameter, in the scope that this parameter indicated, field intensity covers and satisfies communication requirement; When mobile communication terminal during in the work of certain communication coverage area, the positioning distance measuring system will distinguish the interior base station location that this mobile communication terminal field intensity is covered index that meets, the relative position determination processing software systems of mobile switching centre are submitted in the position of current mobile communication terminal, relative position determination processing software systems are according to base station location, the radio communication service of setting in the position of current mobile communication terminal and each base station inserts the distance range parameter and judges, the radio communication service that the control base station allows to be in this base station sets inserts zone that the distance range parameter indicated and inserts this base station with the radio communication service of interior mobile communication terminal, and the mobile communication terminal that the radio communication service that is in this base station sets is inserted beyond the zone that the distance range parameter indicated only provides the control information transmission; The mobile communication terminal effective service distance range parameter situation with distance adjacent base station and base station that provide according to the positioning distance measuring system, selection is in its zone that effectively service distance range parameter is indicated, apart from the radio communication service access base station of the nearer relatively base station of this mobile communication terminal as this mobile communication terminal, other base stations only provide the control information transmission to this mobile communication terminal; Mobile communication terminal is in the zone that effective service distance range parameter of the base station that is in the radio communication service access state with it is indicated the time, do not change the channel with the radio communication service access of this base station.
From the above-mentioned course of work as can be seen, the present invention inserts the investigation foundation of distance range parameter as mobile communication terminal radio communication service access base station with radio communication service, the base station only provides access to the mobile communication terminal in effective service area of setting, then effectively the outer mobile communication terminal of service area does not consider to insert this base station, has therefore alleviated the interference effect that this base station produces the outer mobile communication terminal of effective service area; Mobile communication terminal is when selecting radio communication service to be linked into the base station, current location according to this machine, select suitable adjacent base station, the base station far away of adjusting the distance then will not be chosen as the radio communication service access base station of this mobile communication terminal, and that has then reduced telepoint base station distinguishes interference effect more; Do not leaving when being in regional that effective service distance range parameter of the base station of radio communication service access state indicated at mobile communication terminal with this mobile communication terminal, radio communication service access base station and channel do not change, and so just having reduced more, the district disturbs the channel that brings to switch influence.
Description of drawings
Fig. 1 is the system construction drawing of one embodiment of the invention.
Fig. 2 is that distance range parameter schematic diagram is effectively served in the base station of one embodiment of the invention.
Fig. 3 is the location determination process software system works flow process figure of one embodiment of the invention.
Fig. 4 is the mobile communication terminal cut-in operation flow chart of one embodiment of the invention.
Fig. 5 is the mobile communication terminal channel switch operating flow chart of one embodiment of the invention.
Implementation method
Below be the example explanation embodiment of the invention with the accompanying drawing.
Fig. 1 is the system construction drawing of one embodiment of the invention, and wherein: BTS1～BTSn is the base station, and MS is a mobile communication terminal, and MSC is a mobile switching centre; At base station BTS 1～BTSn and MS the positioning distance measuring system is set, promptly in the base station and mobile communication terminal the GPS navigation system is set, navigation system provides the location parameter and the relative distance parameter of each corresponding device, and the positional parameter information of base station and mobile communication terminal is received and dispatched mutually by wireless channel; The distance range parameter is effectively served in the base station that base station BTS 1～BTSn is provided with separately, in the MSC mobile switching centre database under this parameter is placed on; In MSC mobile switching centre location determination process software system is set, handles the positional parameter information of base station and mobile communication terminal; At mobile communication terminal MS mobile communication terminal cut-in operation flow process and channel switch operating flow process are set.
Fig. 2 is that distance range parameter schematic diagram is effectively served in the base station of one embodiment of the invention.Wherein:
BTSn is certain base station, ρ=Pn (θ) is for being the function expression of the effective service distance range parameter in the polar coordinate system of limit with base station BTS n, the dash area that this function curve surrounded among the figure is the zone of effective service distance range parameter sign of base station BTS n, in the time of in mobile communication equipment is in this shadow region, be in the zone of the effective service distance range parameter sign that is in base station BTS n, in the zone that the distance range parameter indicated was effectively served in the base station, field intensity covered and satisfies communication requirement.
Fig. 3 is the location determination process software system works flow process figure of one embodiment of the invention.Wherein: this location determination process software system is arranged on mobile switching centre.Original mode of operation in the location determination process software system is original mode of operation of mobile switching centre, and this original mode of operation keeps the former all working content and the program of mobile switching centre; This mobile switching centre receives each base station and transmits each that come and satisfy the current location information that field intensity covers the mobile communication terminal that receives, location determination process software system is according to the situation of mobile communication terminal, transfer the positional information of relevant each base station, effective service distance range parameter of respective base station, location determination process software system judges according to location parameter and effective service distance range parameter whether mobile communication terminal is in effective service distance range of certain base station, if mobile switching centre controls the radio communication service that this base station allows this mobile communication terminal and inserts this base station; If not, the control information transmission can only be carried out with this mobile communication terminal in this base station; Mobile communication terminal M wherein, representative has M mobile communication terminal, base station N, representative has N base station.
Fig. 4 is the mobile communication terminal cut-in operation flow chart of one embodiment of the invention.Wherein: original mode of operation is original mode of operation of mobile communication terminal in the workflow, and this original mode of operation keeps the former all working content of mobile communication terminal; Mobile communication terminal sends the positioning distance measuring information of oneself to adjacent qualified each base station under the situation that satisfies the field intensity covering, also receive the information of each base station of sending adjacent each base station; Contain this base station in the base station information and effectively serve the positional information of distance range parameter and this base station; Mobile communication terminal is analyzed judgement with each information, to be in its effectively in the scope that indicated of service distance range parameter and the position distance approaching relatively the base station as the radio communication service access base station, that is: two conditions need be satisfied in the base station that provides radio communication service to insert for this mobile communication terminal, the one, this mobile communication terminal is in the regional extent that effective service distance range parameter of this base station indicated, and the 2nd, the distance of this mobile communication terminal and this base station is in a ratio of nearer with the distance of other base stations; Range estimation employing to mobile communication terminal and each base station is compared one by one, as expression among Fig. 4 L base station is judged, arranges out the distance size; When adopting single base station access mechanism, select with this mobile communication terminal apart from the base station of minimum radio communication service access base station as this mobile communication terminal; When adopting many base stations access mechanism, consider that the normal at present mode that adopts is that mobile communication terminal inserts three base stations at most and is advisable, then can select and the radio communication service access base station of less three base stations of base station distance as this mobile communication terminal; This mobile communication terminal base station that the position is far away relatively only is used for the control information transmission with this mobile communication terminal; It promptly is to insert for mobile communication terminal provides user's communication, transfer of data and control information transmission that radio communication service wherein inserts.
Fig. 5 is the mobile communication terminal channel switch operating flow chart of one embodiment of the invention.Wherein, workflow Central Plains channel switching flow is original mode of operation of mobile communication terminal, and this original mode of operation keeps the former channel switching flow of mobile communication terminal; When the channel switching condition in the former channel switching flow satisfies, detect this mobile communication terminal and whether leave the regional extent that effective service distance range parameter that current and this mobile communication terminal be in the base station that communication service inserts is indicated, if do not leave, then do not make the channel hand-off process, turn back to main program shown in Figure 4; If this mobile communication terminal leaves the regional extent that effective service distance range parameter that current and this mobile communication terminal be in the base station that communication service inserts is indicated, then carry out the channel changeover program, the channel changeover program finishes, and turns back to main program shown in Figure 4.
System configuration, data and making software are set in the manner described above promptly finish embodiments of the invention.
Embodiment owing to adopted the base station of the location parameter of definite base station of positioning distance measuring system and mobile communication terminal as the radio communication service access of selecting mobile communication terminal, therefore can alleviate and distinguish the influence of disturbing more as described above.
In addition, because the mode that the positioning distance measuring system can adopt electric wave to receive and dispatch is measured the radio wave propagation time parameter between base station and the mobile communication terminal, this radio wave propagation time parameter is directly proportional with the distance of base station to mobile communication terminal, therefore this radio wave propagation time parameter has reflected the distance of base station and mobile communication terminal indirectly, so the present invention can also adopt each base station is provided with the condition that effective service radio wave propagation time parameter provides radio communication service to insert as respective base station; The location determination process software system of mobile switching centre is by each base station that the positioning distance measuring system is provided and the analyzing and processing of the radio wave propagation time parameter between the mobile communication terminal, the control base station allow and this base station between the radio wave propagation time insert this base station less than the radio communication service of the mobile communication terminal of effective service radio wave propagation time parameter of this base station; Radio wave propagation time parameter comparable situation between mobile communication terminal basis and each base station, the base station of selecting respective base station that wherein the radio wave propagation time parameter is relatively little to insert as the radio communication service of this mobile communication terminal, promptly mobile communication terminal select with this mobile communication terminal between the base station of radio communication service access of this mobile communication terminal of conduct of the relative less base station of radio wave propagation time parameter; Mobile communication terminal and its when being in radio wave propagation time parameter between the base station of radio communication service access state less than the effective service radio wave propagation time parameter of this base station, do not change the channel that the radio communication service with this base station inserts.Like this, can be so that the easier enforcement of the present invention, more convenient use.
In addition, because there is the situation that many sectors cover that is provided with the base station, therefore the present invention effectively serves the distance range parameter by the sector that the sector distribution situation is provided with corresponding each base station section, and the sector is effectively served in the zone that the distance range parameter indicated field intensity and covered and satisfy communication requirement index in the corresponding sector; The base station that mobile switching centre provides according to the positioning distance measuring system and the location parameter situation of mobile communication terminal, control base station allow to be in base station section and effectively serve zone that the distance range parameter indicates and insert channel in the corresponding sector of this base station with the radio communication service of interior mobile communication terminal; Mobile communication terminal is in the zone that effective service distance range parameter of the base station section that is in the radio communication service access state with it is indicated the time, do not change the channel with the radio communication service access of this base station section; Application of the present invention is more extensively reached effectively.
The mobile communication access method of interference effect is distinguished in the reduction that is used for mobile communication system that the present invention proposes more, the base station that makes mobile communication terminal select suitable radio communication service to insert according to the position, can alleviating more, the district disturbs the influence that brings, reduce the cutting off rate of radio communication, simultaneously, also have easy enforcement, the convenient characteristics of using.
Claims (3)
1, the mobile communication access method of interference effect is distinguished in a kind of reduction that is made of mobile switching center, base station, mobile communication terminal, positioning distance measuring system and location determination process software system more, it is characterized in that being provided with in each base station effective service distance range parameter; The base station allows to be in zone that effective service distance range parameter of this base station indicated and inserts this base station with the radio communication service of interior mobile communication terminal; Zone that distance range parameter indicated is effectively served with the interior and relative distance base station near this mobile communication terminal for this mobile communication terminal is in it in the base station that the radio communication service that mobile communication terminal is selected inserts; Mobile communication terminal is in the zone that effective service distance range parameter of the base station that is in the radio communication service access state with it is indicated the time, do not change the channel with the radio communication service access of this base station.
2, the mobile communication access method of interference effect is distinguished in a kind of reduction as claimed in claim 1 more, it is characterized in that in each base station effective service radio wave propagation time parameter being set, the radio wave propagation time parameter between base station permission and this base station inserts this base station less than the radio communication service of the mobile communication terminal of effective service radio wave propagation time parameter of this base station; Mobile communication terminal select with this mobile communication terminal between the base station of radio communication service access of this mobile communication terminal of conduct of the relative less base station of radio wave propagation time parameter; Mobile communication terminal and its when being in radio wave propagation time parameter between the base station of radio communication service access state less than the effective service radio wave propagation time parameter of this base station, do not change the channel that the radio communication service with this base station inserts.
3, the mobile communication access method of interference effect is distinguished in a kind of reduction as claimed in claim 1 more, it is characterized in that by the distribution of our station coverage sector base station section being set in each base station effectively serves the distance range parameter; The base station allows to be in base station section and effectively serves zone that the distance range parameter indicated and insert channel in the corresponding sector of this base station with the radio communication service of interior mobile communication terminal; Mobile communication terminal is in the base station section that is in the radio communication service access state with it is effectively served the zone that the distance range parameter indicated the time, do not change the channel with the radio communication service access of this base station section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100671439A CN101277530A (en) | 2008-05-14 | 2008-05-14 | Mobile communication access method capable of reducing overshooting interference influence |
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2008100671439A CN101277530A (en) | 2008-05-14 | 2008-05-14 | Mobile communication access method capable of reducing overshooting interference influence |
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| CN101277530A true CN101277530A (en) | 2008-10-01 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106332202A (en) * | 2016-08-22 | 2017-01-11 | 成都奥克特科技有限公司 | Mobile communication access method for reducing influence of overshooting interference |
| WO2018058495A1 (en) * | 2016-09-30 | 2018-04-05 | 海能达通信股份有限公司 | Energy-saving method for terminal, terminal device and narrowband base station |
-
2008
- 2008-05-14 CN CNA2008100671439A patent/CN101277530A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106332202A (en) * | 2016-08-22 | 2017-01-11 | 成都奥克特科技有限公司 | Mobile communication access method for reducing influence of overshooting interference |
| WO2018058495A1 (en) * | 2016-09-30 | 2018-04-05 | 海能达通信股份有限公司 | Energy-saving method for terminal, terminal device and narrowband base station |
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Open date: 20081001 |