CN101742605B - Terminal and method for switching control thereof - Google Patents
Terminal and method for switching control thereof Download PDFInfo
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- CN101742605B CN101742605B CN200810179012A CN200810179012A CN101742605B CN 101742605 B CN101742605 B CN 101742605B CN 200810179012 A CN200810179012 A CN 200810179012A CN 200810179012 A CN200810179012 A CN 200810179012A CN 101742605 B CN101742605 B CN 101742605B
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Abstract
The invention discloses a terminal and a method for switching control of the terminal. The method comprises the following steps of: setting a first predetermined threshold value and a second predetermined threshold value; scanning carrier waves in service cells of the terminal according to the first predetermined threshold value by the terminal; and/or scanning the carrier waves of adjacent cells in the service cells according to the second predetermined threshold value. Through the processing, the terminal and the method can effectively reduce the scanning quantity of a single switching and ensure the continuity of services.
Description
Technical field
The present invention relates to the communications field, and especially, relate to a kind of terminal and method for handover control thereof.
Background technology
At present, in order to satisfy the requirement of two-forty, at Institute of Electrical and Electronics Engineers (Institute for Electrical and Electronic Engineers; Abbreviate IEEE as) in the system design of 802.16m; Introduced the notion of multicarrier, that is, a base station can dispose a plurality of carrier waves.Wherein, these carrier waves can be divided into two types: one type is full allocation carriers, and other one type is the part allocation carriers.Wherein, the information that comprises system side such as all necessary synchronizing channels, control channel in the full allocation carriers; And can only comprise data transmission channel in the part allocation carriers, perhaps only comprise some necessary control messages, but do not comprise synchronizing channel.
It seems that from end side carrier wave can be divided into main carrier and auxilliary carrier wave, wherein, main carrier must be full allocation carriers, mainly is control messages and/or the exchanges data that is used between base station and the terminal; Auxilliary carrier wave can be full allocation carriers, can be the part allocation carriers also, is mainly used in data interaction.
In GSM; When the terminal moves to the edge, base station; Serving BS signal conditioning originally descends and might can't continue to be provided under the situation of business to the terminal, and the terminal need switch to the another one base station and keep professional continuity, and this switching is called between the base station switches.
In multicarrier system; Because a base station provides a plurality of carrier waves; The carrier load of using when the terminal so is excessive when causing service quality to descend, and the terminal can be changed to other the enterprising data transfer of carrier wave in the base station inscribe, and this switching is called the base station intra.
In single-carrier system; A thresholding can be set in the terminal, and when the signal strength signal intensity of Serving cell was lower than this thresholding, the terminal just began the scanning neighbor sub-district; And scanning result reported to the base station, which Target cell the base station will switch to according to scanning result decision terminal.But in multicarrier system; There are switching and the switching in the base station between the base station simultaneously; If when the signal strength signal intensity of current carrier wave was lower than this thresholding, other carrier waves that the terminal should the scan service sub-district also will scan each carrier wave of adjacent area according to prior art; Will make the scanning work amount increase, and greatly consume the power supply at terminal; On the other hand, because the so many carrier waves of scanning need the long period, and the terminal has been in the relatively poor environment of signal strength signal intensity this moment, and sweep time, the long terminal that may cause had little time to find suitable carrier wave or base station just to lose wireless connections.Yet, the technical scheme that can effectively address the above problem is not proposed at present as yet.
Summary of the invention
Consider the terminal when switching, need the scan service sub-district other carrier waves and scanning adjacent area each carrier wave and the scanning work amount that causes is big, the terminal electrical source consumption is high and sweep time is long so that the terminal has little time to find suitable carrier wave or base station to propose the present invention with regard to the problem of having lost wireless connections; For this reason; Main purpose of the present invention is to provide a kind of terminal and method for handover control thereof, to solve the problems referred to above that exist in the correlation technique.
According to an aspect of the present invention, a kind of method for handover control is provided, has been used for the terminal and under multicarrier system, carries out switching controls.
Method for handover control according to the present invention comprises: first predetermined threshold and second predetermined threshold are set; The terminal is scanned the carrier wave in the Serving cell at terminal according to first predetermined threshold; And/or scan according to the carrier wave of second predetermined threshold to the neighbor cell of Serving cell.
Wherein, The terminal comprises according to the processing that first predetermined threshold and/or second predetermined threshold scan: the terminal is lower than under first threshold value and the situation greater than second threshold value that is provided with in advance that is provided with in advance at the signal strength signal intensity or the signal quality of the carrier wave of judging its use; Carrier wave in the Serving cell at terminal scans, and obtains first scanning result; The terminal is lower than under the situation of second threshold value that is provided with in advance at the signal strength signal intensity or the signal quality of the carrier wave of judging its use, and the carrier wave of the neighbor cell of Serving cell is scanned, and obtains second scanning result; Perhaps, the carrier wave of carrier wave in the Serving cell and neighbor cell is scanned, obtain the 3rd scanning result.
In addition, after the terminal was scanned according to first predetermined threshold and/or second predetermined threshold, further comprise: the terminal sent to the base station with first scanning result, second scanning result or the 3rd scanning result, and switches according to the indication of base station.
Wherein, the processing that first predetermined threshold and second predetermined threshold is set comprises: the terminal is in set inside first threshold value and second threshold value.
Wherein, the processing that first predetermined threshold and second predetermined threshold is set comprises: the base station is provided with first threshold value and second threshold value; Transmitting signaling downwards is perhaps controlled to the terminal with first threshold value and second threshold value through broadcast message in the base station; First threshold value and second threshold value are preserved in the terminal.
Wherein, first threshold value is greater than second threshold value.
In addition, the terminal also comprises after scanning result is sent to the base station: the base station is according to scanning result, and indicating terminal is carried out and switched.
In addition, the base station is according to scanning result, and indicating terminal switches and comprises: at the terminal first scanning result is sent under the situation of base station, the base station intra is carried out according to terminal shown in the indication of first scanning result in the base station; At the terminal second scanning result is sent under the situation of base station, the base station is carried out between the base station according to the second scanning result indicating terminal and is switched; At the terminal the 3rd scanning result is sent under the situation of base station, the base station is carried out between base station intra or base station according to the 3rd scanning result indicating terminal and is switched.
According to a further aspect in the invention, a kind of terminal is provided, has been used under multicarrier system, carrying out switching controls.
Terminal according to the present invention comprises: scan module is used for according to first predetermined threshold that is provided with in advance the carrier wave in the Serving cell at terminal being scanned; And/or scan according to the carrier wave of second predetermined threshold that is provided with in advance to the neighbor cell of Serving cell.
In addition, scan module further comprises: whether first judge module, signal strength signal intensity or the signal quality that is used to judge the carrier wave that use at the terminal are lower than first threshold value that is provided with in advance and greater than second threshold value that is provided with in advance; Second judge module is used to judge whether the signal strength signal intensity of the carrier wave that use at the terminal or signal quality are lower than second threshold value that is provided with in advance; First scan module is used for the carrier wave in this sub-district is scanned; Second scan module is used for the carrier wave of neighbor cell is scanned; Calling module; Be used for being judged as under the situation that is at first judge module; Call first scan module, obtain first scanning result, be judged as under the situation that is, call second scan module at second judge module; Obtain second scanning result, perhaps call first scan module and second scan module, obtain the 3rd scanning result.
In addition, above-mentioned terminal further comprises: sending module is used for first scanning result, second scanning result or the 3rd scanning result are sent to the base station; Handover module is used for switching according to the indication of base station.
In addition, the terminal further comprises: module is set, is used in set inside first threshold value and second threshold value.
In addition, the terminal further comprises: receiver module is used to receive transmitting signaling downwards is perhaps controlled in the base station through broadcast message first threshold value and second threshold value; Preserve module, be used to preserve first threshold value and second threshold value that send the base station.
In addition, handover module is further used for: after first scan module scans this sub-district intercarrier, first scanning result is sent under the situation of base station, carry out the base station intra according to the indication of base station; After second scan module scans the carrier wave of neighbor cell, second scanning result is sent under the situation of base station, carry out between the base station according to the indication of base station and switch; After first scan module and second scan module scan the carrier wave of carrier wave in this sub-district and neighbor cell, the 3rd scanning result is sent under the situation of base station, carry out between base station intra or base station according to the indication of base station and switch.
By means of technical scheme of the present invention; Through first threshold value being set and second threshold value is controlled switching; The scanning work amount that has solved each carrier wave of terminal in the correlation technique needs the scan service sub-district when switching other carrier waves and scanning adjacent area and caused is big, the terminal electrical source consumption is high and sweep time is long so that the terminal has little time to find suitable carrier wave or base station just to lose the problem of wireless connections, can effectively reduce the scanning amount that single switches and guarantee professional continuity.
Other features and advantages of the present invention will be set forth in specification subsequently, and, partly from specification, become obvious, perhaps understand through embodiment of the present invention.The object of the invention can be realized through the structure that in the specification of being write, claims and accompanying drawing, is particularly pointed out and obtained with other advantages.
Description of drawings
Accompanying drawing is used to provide further understanding of the present invention, and constitutes the part of specification, is used to explain the present invention with embodiments of the invention, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the flow chart according to the method for handover control of the embodiment of the invention;
Fig. 2 is the block diagram according to the terminal of the embodiment of the invention.
Embodiment
Functional overview
In correlation technique; When switch at the terminal, need other carrier waves of scan service sub-district and each carrier wave of scanning adjacent area, thereby can cause that the terminal scanning workload is big, the terminal electrical source consumption high and sweep time is long so that the terminal has little time to find suitable carrier wave or base station just to lose the problem of wireless connections; To the problems referred to above; The invention provides a kind of technical scheme of solution, in technical scheme of the present invention, two threshold T are set
Intra-BSAnd T
Inter-BS, when the employed carrier signal strength in terminal or signal quality are lower than threshold T
Intra-BSThe time, the terminal begins the carrier wave in the Serving cell is scanned, and scanning result is reported to the base station, and the base station intra is carried out according to the scanning result indicating terminal in the base station; When the employed carrier signal strength in terminal or signal quality are lower than threshold T
Inter-BSThe time, the terminal begins the carrier wave of neighbor cell is scanned, and scanning result is reported to the base station, and the base station is carried out between the base station according to the scanning result indicating terminal and is switched, perhaps, when the employed carrier signal strength in terminal or signal quality are lower than threshold T
Inter-BSThe time, the terminal begins the carrier wave of neighbor cell and the carrier wave in the Serving cell are scanned, and scanning result is reported to the base station, and the base station is carried out between the base station or the base station intra according to the scanning result indicating terminal.
Below in conjunction with accompanying drawing the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein only is used for explanation and explains the present invention, and be not used in qualification the present invention.
Method embodiment
According to embodiments of the invention, a kind of method for handover control is provided, be used for the terminal and under multicarrier system, carry out switching controls, Fig. 1 is the flow chart according to the method for handover control of the embodiment of the invention, comprises following processing (step S102-step S104):
Step S102 need be provided with first threshold value (that is T, in advance
Intra-BS) and second threshold value (that is T,
Inter-BS), in the application of reality, T is set
Intra-BS, T
Inter-BSDual mode is arranged:
Mode one: the terminal is at set inside T
Intra-BSAnd T
Inter-BS
Mode two: the base station is provided with T
Intra-BSAnd T
Inter-BS, and with T
Intra-BSAnd T
Inter-BSPerhaps control transmitting signaling downwards to the terminal through broadcast message, the terminal is receiving T
Intra-BSAnd T
Inter-BSAfter, preserve T
Intra-BSAnd T
Intra-BSNeed to prove that in the application of reality, first threshold value is greater than second threshold value.
Step S104, the terminal is according to first threshold value (that is T,
Intra-BS) carrier wave in the Serving cell at terminal is scanned; And/or according to second threshold value (that is T,
Inter-BS) carrier wave of the neighbor cell of Serving cell is scanned.
In step S104, particularly, the terminal is lower than the T that is provided with in advance at the signal strength signal intensity or the signal quality of the carrier wave of judging its use
Intra-BSAnd greater than the T that is provided with in advance
Inter-BSSituation under, the carrier wave (comprising carrier wave and other carrier waves that using at the terminal) in this sub-district (Serving cell at terminal) is scanned, and obtains first scanning result; The terminal is lower than the T that is provided with in advance at the signal strength signal intensity or the signal quality of the carrier wave of judging its use
Inter-BSSituation under, the carrier wave of the neighbor cell of Serving cell is scanned, obtain second scanning result; Perhaps, the carrier wave of carrier wave in this sub-district and neighbor cell is scanned, obtain the 3rd scanning result.
After step S104, the terminal need send to the base station with first scanning result, second scanning result or the 3rd scanning result, and the base station is according to scanning result, and indicating terminal is carried out corresponding the switching, and switch according to the indication of base station at the terminal.Particularly, 1, after the terminal is scanned the carrier wave in this sub-district, first scanning result is sent under the situation of base station, the base station intra is carried out according to terminal shown in the indication of first scanning result in the base station; 2, after the terminal is scanned the carrier wave of neighbor cell, second scanning result is sent under the situation of base station, the base station is carried out between the base station according to the second scanning result indicating terminal and is switched; 3, after the terminal is scanned the carrier wave of carrier wave in this sub-district and neighbor cell, the 3rd scanning result is sent under the situation of base station, the base station is carried out between base station intra or base station according to the 3rd scanning result indicating terminal and is switched.
Below, in conjunction with instance, technique scheme of the present invention is illustrated.
Instance 1
1, the base station is provided with two threshold T that are used to switch
Intra-BSAnd T
Inter-BS, in this example, T
Intra-BSGreater than T
Inter-BS
2, the base station is with two threshold value (T
Intra-BSAnd T
Inter-BS) on broadcast channel, broadcast.
3, terminal receiving broadcasting information from the broadcast channel is deposited this threshold value (corresponding to the step S102 among Fig. 1) at this organizational security.
4, the carrier signal strength to current service of terminal periodic property detects, and testing result and threshold value are done comparison.
If the carrier signal strength of terminal judges current service is lower than threshold T
Intra-BS, the terminal begins the signal strength signal intensity of the carrier wave in the Serving cell is scanned so, and scanning result is sent to the base station; The base station is after receiving the scanning result that sends at the terminal; According to the handover decision algorithm of inside of base station, select suitable target carrier, and the indicating terminal that sends control signaling begins to carry out base station intra process; The relevant information that comprises target carrier in the control signaling, for example carrier frequency, bandwidth etc.
If the signal strength signal intensity of the carrier wave of current service is lower than threshold T
Inter-BSThe terminal begins the signal strength signal intensity of the carrier wave of adjacent base station is scanned so, and scanning result is sent to the base station, and the base station is after receiving the scanning result that sends at the terminal; Handover decision algorithm according to inside of base station; Select suitable target BS, and the indicating terminal that sends control signaling begins to carry out switchover procedure between base station, wherein; Control comprises the relevant information of target BS in the signaling, for example carrier frequency, bandwidth, (corresponding to the step S104 among Fig. 1) such as special ranging sign indicating number information that need use at target BS.
5, after the terminal receives the control signaling of sending the base station, according to switching between indication execution base station intra in the control signaling or base station.
Through above-mentioned processing, make receiving the T that send the base station
Intra-BSAnd T
Inter-BS, can control switching according to threshold value, can effectively reduce scanning amount and the professional continuity of assurance that single switches.
Instance 2
1, the terminal is provided with two threshold T that are used to switch in this locality
Intra-BSAnd T
Inter-BS, in this example, T
Intra-BSGreater than T
Inter-BS(corresponding to the step S102 among Fig. 1).
2, the carrier signal strength to current service of terminal periodic property detects, and testing result and threshold value are done comparison.
If the carrier signal strength of terminal judges current service is lower than threshold T
Intra-BS, the terminal begins the signal strength signal intensity of the carrier wave in the Serving cell is scanned so, and scanning result is sent to the base station; The base station is after receiving the scanning result that sends at the terminal; According to the handover decision algorithm of inside of base station, select suitable target carrier, and the indicating terminal that sends control signaling begins to carry out base station intra process; The relevant information that comprises target carrier in the control signaling, for example carrier frequency, bandwidth etc.
If the signal strength signal intensity of the carrier wave of terminal judges current service is lower than threshold T
Inter-BSThe terminal begins the signal strength signal intensity of the carrier wave of carrier wave in the Current Serving BTS and adjacent base station is scanned so, and scanning result is sent to the base station, and the base station is after receiving the scanning result that sends at the terminal; Handover decision algorithm according to inside of base station; Select suitable target carrier, if this suitable target carrier is the carrier wave in the serving BS, the indicating terminal that then sends control signaling begins to carry out base station intra process; The relevant information that comprises target carrier in the control signaling, for example carrier frequency, bandwidth etc.; If this suitable target carrier is the carrier wave of adjacent base station; The indicating terminal that then sends control signaling begins to carry out switchover procedure between base station; Control comprises the relevant information of target BS in the signaling, for example carrier frequency, bandwidth, (corresponding to the step S104 among Fig. 1) such as special ranging sign indicating number information that need use at target BS.
3, after the terminal receives the control signaling of sending the base station, according to switching between indication execution base station intra in the control signaling or base station.
Through above-mentioned processing, the terminal can be provided with T in this locality
Intra-BSAnd T
Inter-BS, can effectively reduce the scanning amount that the terminal single switches, and guarantee professional continuity.
Device embodiment
According to embodiments of the invention, a kind of terminal is provided, be used under multicarrier system, carrying out switching controls.Fig. 2 is the block diagram according to the terminal of the embodiment of the invention, and is as shown in Figure 2, comprises scan module 2 (first judge module 20, second judge module 22, first scan module 24, second scan module 26, calling module 28), sending module 4, handover module 6.
Before terminal as shown in Figure 2 is elaborated, at first to first threshold value (that is T, is set
Intra-BS) and second threshold value (that is T,
Inter-BS) be elaborated, in the application of reality, T is set
Intra-BS, T
Inter-BSDual mode is arranged:
Mode one: the terminal is through the module that is provided with of its inside, at set inside T
Intra-BSAnd T
Inter-BS
Mode two: the base station is provided with T
Intra-BSAnd T
Inter-BS, and with T
Intra-BSAnd T
Inter-BSPerhaps control transmitting signaling downwards to the terminal through broadcast message, the receiver module at terminal is receiving T
Intra-BSAnd T
Inter-BSAfter, preserve T at the terminal through preservation module wherein
Intra-BSAnd T
Inter-BS
That is to say that the terminal can be own to set inside T
Intra-BSAnd T
Intra-BS, also can use receiver module to receive the T that send the base station
Intra-BSAnd T
Intra-BS, and use and preserve the T that the module preservation receives
Intra-BSAnd T
Intra-BS
Need to prove that in the application of reality, first threshold value is greater than second threshold value.
Below, detailed explanation is carried out at terminal of the present invention.As shown in Figure 2:
Scan module 2 is used for according to first predetermined threshold that is provided with in advance the carrier wave in the Serving cell at said terminal being scanned; And/or scan according to the carrier wave of second predetermined threshold that is provided with in advance to the neighbor cell of said Serving cell.
Particularly, scan module 2 comprises: first judge module 20, be connected to calling module 28, and be used to judge whether the signal strength signal intensity of the carrier wave that use at the terminal or signal quality are lower than the T that is provided with in advance
Intra-BSAnd greater than the T that is provided with in advance
Intra-BSSecond judge module 22 is connected to calling module 28, is used to judge whether the signal strength signal intensity of the carrier wave that use at the terminal or signal quality are lower than the T that is provided with in advance
Intra-BSFirst scan module 24 is connected to calling module 28, is used for the carrier wave in this sub-district is scanned; Second scan module 26 is connected to calling module 28, is used for the carrier wave of neighbor cell is scanned; Calling module 28; Be connected to first judge module 20, second judge module 22, first scan module 24, second scan module 26, be used for being judged as under the situation that is, call first scan module 24 at first judge module 20; Obtain first scanning result, be judged as under the situation that is at second judge module 22; Call second scan module 26, obtain second scanning result, perhaps call first scan module 24 and second scan module 26, obtain the 3rd scanning result.
Sending module 4 is connected to first scan module 24, second scan module 26, is used for first scanning result, second scanning result or the 3rd scanning result of first scan module 24 and/or second scan module 26 are sent to the base station.
Handover module 6 is used for switching according to the indication of base station.
Particularly, after first scan module 24 scans the carrier wave in this sub-district, first scanning result is sent under the situation of base station, handover module 6 is carried out the base station intra according to the indication of base station; After the carrier wave of 26 pairs of neighbor cells of second scan module scans, second scanning result is sent under the situation of base station, handover module 6 is carried out between the base station according to the indication of base station and is switched; After first scan module 24 and second scan module 26 scan the carrier wave of carrier wave in this sub-district and neighbor cell; The 3rd scanning result is sent under the situation of base station, handover module 6 is carried out between base station intra or base station according to the indication of base station and is switched.
Need to prove that under the situation of not conflicting, embodiment and the characteristic among the embodiment among the application can make up each other.
In sum; By means of technical scheme of the present invention; Through first threshold value being set and second threshold value is controlled switching; The scanning work amount that has solved each carrier wave of terminal in the correlation technique needs the scan service sub-district when switching other carrier waves and scanning adjacent area and caused is big, the terminal electrical source consumption is high and sweep time is long so that the terminal has little time to find suitable carrier wave or base station just to lose the problem of wireless connections, can effectively reduce the scanning amount that single switches and guarantee professional continuity.
The above is merely the preferred embodiments of the present invention, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (12)
1. a method for handover control is used for the terminal and under multicarrier system, carries out switching controls,
It is characterized in that said method comprises:
First predetermined threshold and second predetermined threshold are set;
Said terminal is scanned the carrier wave in the Serving cell at said terminal according to said first predetermined threshold; And/or scan according to the carrier wave of said second predetermined threshold to the neighbor cell of said Serving cell;
Wherein, said terminal comprises according to the processing that said first predetermined threshold and/or said second predetermined threshold scan:
Said terminal is lower than under first threshold value and the situation greater than second threshold value that is provided with in advance that is provided with in advance at the signal strength signal intensity or the signal quality of the carrier wave of judging its use; Carrier wave in the Serving cell at said terminal scans, and obtains first scanning result;
Said terminal is lower than under the situation of second threshold value that is provided with in advance at the signal strength signal intensity or the signal quality of the carrier wave of judging its use, and the carrier wave of the neighbor cell of said Serving cell is scanned, and obtains second scanning result; Perhaps, the carrier wave of carrier wave in the said Serving cell and said neighbor cell is scanned, obtain the 3rd scanning result.
2. method according to claim 1 is characterized in that, said terminal further comprises after scanning according to said first predetermined threshold and/or said second predetermined threshold:
Said terminal sends to the base station with said first scanning result, said second scanning result or said the 3rd scanning result, and switches according to the indication of said base station.
3. method according to claim 1 is characterized in that, the processing that said first predetermined threshold and said second predetermined threshold are set comprises:
Said terminal is in said first threshold value of set inside and said second threshold value.
4. method according to claim 1 is characterized in that, the processing that said first predetermined threshold and said second predetermined threshold are set comprises:
The base station is provided with said first threshold value and said second threshold value;
Transmitting signaling downwards is perhaps controlled to said terminal with said first threshold value and said second threshold value through broadcast message in said base station;
Said first threshold value and said second threshold value are preserved in said terminal.
5. according to each described method in the claim 1 to 4, it is characterized in that said first threshold value is greater than said second threshold value.
6. method according to claim 2 is characterized in that, after said terminal sent to said base station with scanning result, said method also comprised:
Said base station is indicated said terminal to carry out and is switched according to said scanning result.
7. method according to claim 6 is characterized in that, said base station is indicated said terminal to switch and comprised according to said scanning result:
At said terminal said first scanning result is sent under the situation of said base station, the base station intra is carried out according to terminal shown in said first scanning result indication in said base station;
At said terminal said second scanning result is sent under the situation of said base station, said base station is indicated between execution base station, said terminal according to said second scanning result and is switched;
At said terminal said the 3rd scanning result is sent under the situation of said base station, said base station indicates said terminal to carry out between said base station intra or said base station according to said the 3rd scanning result to switch.
8. a terminal that is used under multicarrier system, carrying out switching controls is characterized in that,
Said terminal comprises:
Scan module is used for according to first predetermined threshold that is provided with in advance the carrier wave in the Serving cell at said terminal being scanned; And/or scan according to the carrier wave of second predetermined threshold that is provided with in advance to the neighbor cell of said Serving cell;
Wherein, said scan module further comprises:
Whether first judge module, signal strength signal intensity or the signal quality that is used to judge the carrier wave that use at said terminal are lower than first threshold value that is provided with in advance and greater than second threshold value that is provided with in advance;
Second judge module is used to judge whether the signal strength signal intensity of the carrier wave that use at said terminal or signal quality are lower than second threshold value that is provided with in advance;
First scan module is used for the carrier wave in this sub-district is scanned;
Second scan module is used for the carrier wave of neighbor cell is scanned;
Calling module; Be used for being judged as under the situation that is at said first judge module; Call said first scan module, obtain first scanning result, be judged as under the situation that is, call said second scan module at said second judge module; Obtain second scanning result, perhaps call said first scan module and said second scan module, obtain the 3rd scanning result.
9. terminal according to claim 8 is characterized in that, said terminal further comprises:
Sending module is used for said first scanning result, said second scanning result or said the 3rd scanning result are sent to the base station;
Handover module is used for switching according to the indication of said base station.
10. terminal according to claim 9 is characterized in that, said terminal further comprises:
Module is set, is used in said first threshold value of set inside and said second threshold value.
11. terminal according to claim 9 is characterized in that, said terminal further comprises:
Receiver module is used to receive transmitting signaling downwards is perhaps controlled in said base station through broadcast message said first threshold value and said second threshold value;
Preserve module, be used to preserve said first threshold value and said second threshold value that send the base station.
12., it is characterized in that said handover module is further used for according to claim 9 or 10 described terminals:
After said first scan module scans the carrier wave in said this sub-district, said first scanning result is sent under the situation of said base station, carry out the base station intra according to the indication of said base station;
After said second scan module scans the carrier wave of said neighbor cell, said second scanning result is sent under the situation of said base station, carry out between the base station according to the indication of said base station and switch;
After said first scan module and said second scan module scan the carrier wave of carrier wave in said this sub-district and said neighbor cell; Said the 3rd scanning result is sent under the situation of said base station, carry out between said base station intra or said base station according to the indication of said base station and switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810179012A CN101742605B (en) | 2008-11-21 | 2008-11-21 | Terminal and method for switching control thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810179012A CN101742605B (en) | 2008-11-21 | 2008-11-21 | Terminal and method for switching control thereof |
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| Publication Number | Publication Date |
|---|---|
| CN101742605A CN101742605A (en) | 2010-06-16 |
| CN101742605B true CN101742605B (en) | 2012-10-10 |
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| CN200810179012A Expired - Fee Related CN101742605B (en) | 2008-11-21 | 2008-11-21 | Terminal and method for switching control thereof |
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| WO2017063333A1 (en) * | 2016-03-14 | 2017-04-20 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and device for beam switching |
| CN108513329A (en) * | 2017-02-28 | 2018-09-07 | 中兴通讯股份有限公司 | Control method, terminal and the system of cell switching |
| CN108112030B (en) * | 2017-08-11 | 2022-06-07 | 中兴通讯股份有限公司 | Information reporting triggering method and device, and signal selection method and device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6647261B1 (en) * | 2000-07-20 | 2003-11-11 | Koninklijke Philips Electronics N.V. | Idle handoff method taking into account critical system jobs |
| CN1889770A (en) * | 2005-06-29 | 2007-01-03 | 华为技术有限公司 | Switching method for wireless mobile communication system and system |
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2008
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6647261B1 (en) * | 2000-07-20 | 2003-11-11 | Koninklijke Philips Electronics N.V. | Idle handoff method taking into account critical system jobs |
| CN1889770A (en) * | 2005-06-29 | 2007-01-03 | 华为技术有限公司 | Switching method for wireless mobile communication system and system |
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| CN101742605A (en) | 2010-06-16 |
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