CN101553001A - Neighboring region automatic detection and adjustment method of mobile communication terminal - Google Patents
Neighboring region automatic detection and adjustment method of mobile communication terminal Download PDFInfo
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- CN101553001A CN101553001A CNA2008100906025A CN200810090602A CN101553001A CN 101553001 A CN101553001 A CN 101553001A CN A2008100906025 A CNA2008100906025 A CN A2008100906025A CN 200810090602 A CN200810090602 A CN 200810090602A CN 101553001 A CN101553001 A CN 101553001A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention discloses a neighboring region automatic detection and adjustment method of a mobile communication terminal, which comprises: firstly, the mobile communication terminal receives neighboring region carrier appointed by a network end; secondly, the mobile communication terminal monitors self-movement speed, uses the self-movement speed as reference, and starts or pauses the automatic detection of the appointed carrier. The invention can dynamically adjust and automatically detect the time length of the neighboring region beaconing channel, avoid the waste to a mobile communication terminal power supply, and prolong the stand-by time of the mobile communication terminal.
Description
Technical field
The present invention relates to the mobile communication technology field, relate in particular to a kind of neighboring region automatic detection and adjustment method of mobile communication terminal.
Background technology
In the honeycomb mobile communcations system, because mobile communication terminal (subscriber equipment) user's is mobile, mobile communication terminal can move to the overlay area of another one cellular cell from the overlay area of a cellular cell.In order to guarantee the continuity of mobile communication terminal call, the wireless connections of mobile communication terminal and network side need be switched to new cellular cell from original cellular cell, the handoff procedure in the mobile communication system that Here it is.Switching is one of essential characteristic of mobile communications network.
Mobile communication terminal and network terminal exist the sub-district of wireless connections to be called as Serving cell, in the Serving cell coverage or the sub-district of other district wireless signals of Serving cell marginal existence be called adjacent sub-district.Handoff procedure generally can use based on the switching that detects or not based on the blind switching that detects.Need carry out signal quality to the adjacent area of current service cell based on the switching that detects and detect, the confirmation neighboring area signal can be used.Blind switching does not need adjacent sub-district is detected, and handover delay is shorter, but owing to do not know the Target cell signal quality before switching, handover success rate is difficult to be guaranteed, so network terminal tends to adopt the switching mode based on detecting.
For the purpose that detects, at the physical channel of specific position special physical characteristic is arranged, be called the beacon characteristic.Physical channel with beacon characteristic is called beacon channel.The position of beacon channel is called beacon position.Beacon position provides the reference power level of sub-district, as the indication information of sub-district covering, so often select for use beacon channel to detect at the detection of switching.
Move in the connecting system at some, for example in Long Term Evolution (LTE, the Long Term Evolution) system, beacon channel is positioned on certain frequency band at band width in physical center, being beacon channel, is again broadcast channel, is the direct indicator that the sub-district physical signalling covers.
In LTE, in order to reduce the workload that safeguard the network terminal adjacent area, network terminal generally only disposes carrier frequency information to the adjacent area, does not have detailed cell information indication for the adjacent area, need detect search cell by mobile communication terminal.But, for mobile communication terminal, but increased the testing amount, adjacent sub-district is followed the trail of and detected to the automatic measuring ability removal search that needs mobile communication terminal constantly to depend on self, thereby consumed the mobile communication terminal electric weight too much, caused the waste of mobile communication terminal battery.
Fig. 1 is the detection schematic diagram of LTE mobile communication terminal moving process.Referring to Fig. 1, the carrier frequency frequency of supposing Serving cell is Frequency1, with the carrier frequency frequency of this neighboring cell be respectively Frequency2, Frequency3 ..., Frequency7, described arrow 101 is the mobile communication terminal mobile alignment, and promptly mobile communication terminal moves to " position B " from " position A " and locates.When Serving cell order mobile communication terminal detects, only can notify it to detect and specify carrier frequency, be Frequency2, Frequency3 ..., Frequency7, mobile communication terminal self need detect in esse adjacent sub-district on the carrier frequency of appointment, so just need mobile communication terminal described 6 carrier frequency to be searched for during route moves always.As Fig. 1, obviously, for " Frequency7 " signal can't detect at position A place or this signal extremely faint, but in order to support switching, mobile communication terminal must continue the signal on this frequency of searching and detecting, causes the waste of mobile communication terminal battery.
Summary of the invention
In view of this, technical problem to be solved by this invention is to provide a kind of neighboring region automatic detection and adjustment method of mobile communication terminal, can regulate the time span of automatic detection adjacent area, thereby saves the battery consumption of mobile communication terminal effectively.
In order to realize the foregoing invention purpose, main technical schemes of the present invention is:
A kind of neighboring region automatic detection and adjustment method of mobile communication terminal comprises:
A, mobile communication terminal receive the adjacent area carrier frequency of network terminal appointment;
The translational speed of B, mobile communication terminal monitors self is reference with self translational speed, starts or suspends specifying the automatic detection of carrier frequency.
Preferably, described step B further comprises: detection duration and time-out duration to specifying carrier frequency to detect automatically are set, and start-up time and the time out of monitoring to specifying carrier frequency to detect automatically; Be reference with described translational speed, described detection duration and time-out duration simultaneously, start or suspend automatic detection corresponding appointment carrier frequency.
Preferably, described step B specifically comprises:
B1, mobile communication terminal start the automatic detection to described appointment carrier frequency, monitor the time of described automatic detection and the translational speed of self simultaneously;
B2, when the translational speed of the detection duration that surpasses relative set automatic detection time of specifying carrier frequency and mobile communication terminal during less than the thresholding speed set, is suspended the automatic detection of this being specified carrier frequency;
B3, when the translational speed of time-out duration that the time out of specifying carrier frequency is surpassed relative set or mobile communication terminal surpasses the thresholding speed of setting, return step B1.
Preferably, among the step B2, when to the translational speed of the detection duration that surpasses relative set automatic detection time of specifying carrier frequency and terminal during less than the thresholding speed set, further judge whether to reach the opportunity that generates examining report, if, then do not suspend automatic detection to described appointment carrier frequency, otherwise, suspend automatic detection to described appointment carrier frequency.
Preferably, the detection duration of described setting is a default definite value.
Preferably, the time-out duration of described setting is a default definite value; Perhaps be: the difference of the translational speed of described thresholding speed and terminal and the ratio of described thresholding speed, multiply by a default definite value again.
Preferably, the adjacent area carrier frequency of described appointment has one or more, specifies carrier frequency all to carry out described step B at each.
Preferably, described mobile communication terminal is the mobile communication terminal of long evolving system.
For mobile communication terminal, many times mobile communication terminal be do not move or translational speed smaller, such as at A place, the position of Fig. 1, since detect less than " Frequency7 ", just can the automatic measuring ability to this carrier frequency be suspended for a moment, if the translational speed of mobile communication terminal reaches predetermined threshold value then, removal search detects this carrier frequency again, can save power source of mobile communication terminal to a certain extent like this.
Method of the present invention just with the mobile communication terminal translational speed as a reference, hour remove intermittently to carry out the automatic measuring ability of specifying carrier frequency in the mobile communication terminal translational speed, thereby dynamic adjustments detects the time span of adjacent subdistrict beaconing channel automatically on one's own initiative, can save the battery consumption of mobile communication terminal, prolong the mobile communication terminal standby time.
Description of drawings
Fig. 1 is the detection schematic diagram of LTE mobile communication terminal moving process;
Fig. 2 is a kind of flow chart of the neighboring region automatic detection and adjustment method of mobile communication terminal of the present invention.
Embodiment
Below by specific embodiments and the drawings the present invention is described in further details.
Core concept of the present invention is: mobile communication terminal is behind the adjacent area carrier frequency that receives the network terminal appointment, monitor the translational speed of self, with self translational speed is reference, start or suspend specifying the automatic detection of carrier frequency, thereby dynamically adjust the time span that detects adjacent subdistrict beaconing channel automatically, avoid waste power source of mobile communication terminal.Further, the present invention can also be provided with the detection duration and the time-out duration of specifying carrier frequency to detect automatically, and start-up time and the time out of monitoring to specifying carrier frequency to detect automatically; Be reference with described translational speed, described detection duration and time-out duration simultaneously, start or suspend automatic detection corresponding appointment carrier frequency.
Method of the present invention goes for the LTE system, also goes for any mobile communication access system of searching for carrier frequency that detects by network terminal appointment carrier frequency and by mobile communication terminal.Mobile communication terminal of the present invention need possess the automatic measuring ability in adjacent area and to the measurement function of self speed.
Receive the adjacent area carrier frequency of network terminal appointment when mobile communication terminal after, start automatic detection, monitor this time detected automatically and the translational speed (UeRate) of self simultaneously described appointment carrier frequency; When the translational speed of the detection duration that surpasses relative set automatic detection time of specifying carrier frequency and mobile communication terminal during less than the thresholding speed (RateThresh) set, is suspended the automatic detection of this being specified carrier frequency; When the translational speed UeRate of time-out duration that the time out of specifying carrier frequency is surpassed relative set or mobile communication terminal surpasses the thresholding speed RateThresh that sets, then restart automatic detection to described carrier frequency.
Concrete, judging whether surpass the detection duration automatic detection time for above-mentioned, can realize by startup one adjacent area detection timer (DectectTimer) is set.The time span that timer is detected in this adjacent area is designated as DetectPeriod, and the value of this DetectPeriod can be default definite value, can set in advance to be stored on the mobile communication terminal.When the mobile communication terminal startup is specified the automatic detection of carrier frequency to certain, timer is detected in the adjacent area that starts this carrier frequency correspondence simultaneously, if timer expiry and UeRate＜RateThresh are detected in this adjacent area, wherein UeRate is the translational speed of the current mobile communication terminal that measures, RateThresh is default thresholding speed, then suspend automatic detection, but also proceed to detect for the wireless quality of Serving cell and other carrier cell beacon channel to this appointment carrier frequency.
Further, when to the translational speed of the detection duration that surpasses relative set automatic detection time of specifying carrier frequency and terminal during less than the thresholding speed set, need judge whether to reach the opportunity that generates examining report, if, then do not suspend automatic detection to described appointment carrier frequency, generate examining report but continue to detect, otherwise time-out is to the automatic detection of described appointment carrier frequency.
For above-mentioned judgement whether the time out of specifying carrier frequency is surpassed the time-out duration of relative set, can start one and detect pause timer (PauseTimer) and realize by being provided with.The time span of this PauseTimer is designated as PausePeriod, and the value of this PausePeriod can be default definite value, also can be provided with by following formula (1):
Wherein, T
Pause_maxBe the maximum time length of default detection pause timer, UeRate is the translational speed of the current mobile communication terminal that measures, and RateThresh is default thresholding speed.When the time out of a certain appointment carrier frequency surpasses described PausePeriod, perhaps during UeRate 〉=RateThresh, then restart the automatic detection of this appointment carrier frequency, and start described adjacent area simultaneously and detect timer, and circulation in view of the above, when mobile communication terminal is judged the opportunity that reaches the generation examining report according to the examining report criterion of network side, report examining report to network terminal.
Fig. 2 is a kind of embodiment flow chart of the neighboring region automatic detection and adjustment method of mobile communication terminal of the present invention.As shown in Figure 2, this flow process comprises:
Step 201: mobile communication terminal is in Radio Resource control connection (RRC_CONNECTED) state, and network terminal detects adjacent sub-district by " measurement control messages " (perhaps having the similar message of measuring controlled function) order mobile communication terminal.Herein, network terminal has only provided the frequency point information of N carrier frequency for the adjacent area, does not provide detailed cell information.
Step 202: the mobile communication terminal toggle speed detects.Speed detects by mobile communication terminal is inner and realizes that no matter whether network terminal requires the mobile communication terminal detection speed, mobile communication terminal all detects speed.
Step 203: mobile communication terminal detects Serving cell and adjacent subdistrict beaconing channel wireless quality automatically according to the instruction of network terminal.Because network terminal has only been specified the frequency of carrier frequency, do not have detailed cell information to give instruction to the adjacent area, so adjacent area on each carrier frequency be followed the trail of and be detected to mobile communication terminal can only relying on automatic measuring ability removal search on the frequency of appointment.Start an adjacent area at each frequency herein and detect timer DectectTimer i, wherein i is a carrier frequency number, i=0,1,2 ..., N, N are the maximum carrier frequency number of network terminal configuration, the time span of this DectectTimer i is made as definite value.
Step 204: judge that whether overtime DectectTimer i and mobile communication terminal current movement speed whether less than the speed threshold value of setting, if then execution in step 205, otherwise return step 203.
Herein, mobile communication terminal can also be further judge whether to arrive the opportunity that generates examining report according to the examining report criterion of network side, could execution in step 205 if do not reach, if reach then can not execution in step 205.
Step 205: mobile communication terminal suspends the automatic measuring ability in adjacent sub-district to carrier frequency i, and start detection pause timer PauseTimer i, and the time span of this PauseTimer i can be default definite value, perhaps determines according to described formula (1).At this moment, the wireless quality to Serving cell and the adjacent subdistrict beaconing channel of other carrier frequency also continues to carry out detection.
Step 206: mobile communication terminal judges whether overtime whether PauseTimer i or current movement speed surpass the speed threshold value that is provided with, if execution in step 207 then; Otherwise, continue to suspend automatic detection to the adjacent sub-district of carrier frequency i, repeat this step 206.
Step 207: mobile communication terminal starts the automatic measuring ability in adjacent sub-district to carrier frequency i, and starts DectectTimer i, jumps to step 204 and continues to carry out.
The above; only for the preferable embodiment of the present invention, but protection scope of the present invention is not limited thereto, and anyly is familiar with the people of this technology in the disclosed technical scope of the present invention; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.
Claims (8)
1, a kind of neighboring region automatic detection and adjustment method of mobile communication terminal is characterized in that, comprising:
A, mobile communication terminal receive the adjacent area carrier frequency of network terminal appointment;
The translational speed of B, mobile communication terminal monitors self is reference with self translational speed, starts or suspends specifying the automatic detection of carrier frequency.
2, method according to claim 1 is characterized in that, described step B further comprises: detection duration and time-out duration to specifying carrier frequency to detect automatically are set, and start-up time and the time out of monitoring to specifying carrier frequency to detect automatically; Be reference with described translational speed, described detection duration and time-out duration simultaneously, start or suspend automatic detection corresponding appointment carrier frequency.
3, method according to claim 2 is characterized in that, described step B specifically comprises:
B1, mobile communication terminal start the automatic detection to described appointment carrier frequency, monitor the time of described automatic detection and the translational speed of self simultaneously;
B2, when the translational speed of the detection duration that surpasses relative set automatic detection time of specifying carrier frequency and mobile communication terminal during less than the thresholding speed set, is suspended the automatic detection of this being specified carrier frequency;
B3, when the translational speed of time-out duration that the time out of specifying carrier frequency is surpassed relative set or mobile communication terminal surpasses the thresholding speed of setting, return step B1.
4, method according to claim 3, it is characterized in that, among the step B2, when to the translational speed of the detection duration that surpasses relative set automatic detection time of specifying carrier frequency and terminal during less than the thresholding speed set, further judge whether to reach the opportunity that generates examining report, if then do not suspend automatic detection to described appointment carrier frequency, otherwise, suspend automatic detection to described appointment carrier frequency.
5, method according to claim 2 is characterized in that, the detection duration of described setting is a default definite value.
6, method according to claim 2 is characterized in that, the time-out duration of described setting is a default definite value; Perhaps be: the difference of the translational speed of described thresholding speed and terminal and the ratio of described thresholding speed, multiply by a default definite value again.
According to each described method of claim 1～6, it is characterized in that 7, the adjacent area carrier frequency of described appointment has one or more, specify carrier frequency all to carry out described step B at each.
According to each described method of claim 1～6, it is characterized in that 8, described mobile communication terminal is the mobile communication terminal of long evolving system.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2008100906025A CN101553001B (en) | 2008-03-31 | 2008-03-31 | Neighboring region automatic detection and adjustment method of mobile communication terminal |
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| CN2008100906025A CN101553001B (en) | 2008-03-31 | 2008-03-31 | Neighboring region automatic detection and adjustment method of mobile communication terminal |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102098708A (en) * | 2011-01-30 | 2011-06-15 | 大唐移动通信设备有限公司 | Method and equipment for configuring neighbor cells for mobile node B |
| CN103843400A (en) * | 2011-09-30 | 2014-06-04 | 诺基亚公司 | Device mobility based scanning period control |
| WO2014179984A1 (en) * | 2013-05-10 | 2014-11-13 | 上海贝尔股份有限公司 | Method for controlling measurement in wireless communications system |
| CN105657794A (en) * | 2014-11-13 | 2016-06-08 | 希姆通信息技术（上海）有限公司 | Mobile terminal and method for saving electric quantity of mobile terminal |
| CN108353459A (en) * | 2015-11-06 | 2018-07-31 | 株式会社Ntt都科摩 | User apparatus, base station, measurement method and measuring condition notification method |
| CN114339904A (en) * | 2020-09-30 | 2022-04-12 | 北京小米移动软件有限公司 | Cell switching method, cell switching device and storage medium |
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| CN100493254C (en) * | 2004-06-18 | 2009-05-27 | 华为技术有限公司 | Heterofrequency blind switch-over method in WCDMA system |
| CN100442909C (en) * | 2005-01-05 | 2008-12-10 | 华为技术有限公司 | Interlaminar switching method in WCDMA hierarchical network |
| KR100712929B1 (en) * | 2005-09-29 | 2007-05-02 | 엘지전자 주식회사 | Mobile communication terminal enable to re-select of cell and its operating method |
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2008
- 2008-03-31 CN CN2008100906025A patent/CN101553001B/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102098708A (en) * | 2011-01-30 | 2011-06-15 | 大唐移动通信设备有限公司 | Method and equipment for configuring neighbor cells for mobile node B |
| WO2012100616A1 (en) * | 2011-01-30 | 2012-08-02 | 大唐移动通信设备有限公司 | Method and device for configuring mobile base station neighbor cells |
| CN102098708B (en) * | 2011-01-30 | 2013-02-20 | 大唐移动通信设备有限公司 | Method and equipment for configuring neighbor cells for mobile base station |
| CN103843400A (en) * | 2011-09-30 | 2014-06-04 | 诺基亚公司 | Device mobility based scanning period control |
| CN103843400B (en) * | 2011-09-30 | 2018-05-22 | 诺基亚技术有限公司 | For the equipment, system and method for the scan period control based on equipment mobility |
| WO2014179984A1 (en) * | 2013-05-10 | 2014-11-13 | 上海贝尔股份有限公司 | Method for controlling measurement in wireless communications system |
| CN105657794A (en) * | 2014-11-13 | 2016-06-08 | 希姆通信息技术（上海）有限公司 | Mobile terminal and method for saving electric quantity of mobile terminal |
| CN108353459A (en) * | 2015-11-06 | 2018-07-31 | 株式会社Ntt都科摩 | User apparatus, base station, measurement method and measuring condition notification method |
| CN114339904A (en) * | 2020-09-30 | 2022-04-12 | 北京小米移动软件有限公司 | Cell switching method, cell switching device and storage medium |
| CN114339904B (en) * | 2020-09-30 | 2024-05-24 | 北京小米移动软件有限公司 | Cell switching method, cell switching device and storage medium |
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| CN101553001B (en) | 2011-04-06 |
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