CN101730222A - Positioning measurement method, positioning measurement device and positioning measurement system in multi-carrier system - Google Patents
Positioning measurement method, positioning measurement device and positioning measurement system in multi-carrier system Download PDFInfo
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- CN101730222A CN101730222A CN200810172971A CN200810172971A CN101730222A CN 101730222 A CN101730222 A CN 101730222A CN 200810172971 A CN200810172971 A CN 200810172971A CN 200810172971 A CN200810172971 A CN 200810172971A CN 101730222 A CN101730222 A CN 101730222A
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Abstract
The embodiment of the invention discloses a positioning measurement method, a positioning measurement device and a positioning measurement system in a multi-carrier system, which relate to the technical field of communication and aim to improve the precision of positioning measurement and maintain the continuity of other services. The multi-carrier system comprises a terminal, neighboring base stations and a service base station. The positioning measurement method comprises the following steps of: determining a positioning measurement mode; and performing the positioning measurement mode-based positioning measurement through a multi-carrier mode. The technical scheme provided by the embodiment of the invention can be widely applied to a next-generation network.
Description
Technical field
The present invention relates to communication technical field, relate in particular to locating measurement method, Apparatus and system in a kind of multicarrier system.
Background technology
Existing LBS (Location based service, positioning service) can only carry out under the situation of single carrier.Terminal can only position measurement to different base stations (more than at least three) on the different time under single carrier wave.
In single-carrier system, existing metering system comprises: based on U-TDOA (Uplink Timedifference of Arrival, the up arrival time difference), D-TDOA (Downlink Time differenceof Arrival, the descending arrival time difference) and RTD (Round trip delay, round-trip delay) three kinds of location survey modes, terminal need send position reference information to the base station more than at least three, could obtain location information of terminals more exactly.
The inventor finds that there is following shortcoming in prior art:
Along with the appearance of multicarrier system, in multicarrier system, whole bandwidth can be divided into a plurality of carrier waves, can be divided into four carrier waves, each carrier wave 5MHZ bandwidth such as the bandwidth of a 20MHZ.System can be on all carrier waves scheduling resource, thereby, further improve professional flexibility and service quality (for example: satisfy some) to the exigent business demand of peak rate.And the locating measurement method in the existing single-carrier system is unsuitable for positioning measurement in multicarrier system, and concrete reason is as follows:
Because terminal can only be carried out the location survey of LBS under the situation of single carrier, so terminal is merely able to a plurality of base stations are carried out the location survey of time-division.That is to say that terminal could position measurement to next base station after only having finished location survey to a base station, the consequent time difference, for the terminal of high-speed mobile, can influence the precision of its location survey.Simultaneously, use single carrier to carry out the location survey of LBS, then make terminal, can't carry out the scheduling and the transmission of other business effectively using single carrier to position in the time of measurement.
Summary of the invention
The embodiment of the invention provides method, the Apparatus and system of location survey in a kind of multicarrier system, to improve the precision of location survey.
For achieving the above object, embodiments of the invention adopt following technical scheme:
On the one hand, provide the method for location survey in a kind of multicarrier system, comprising:
Determine the location survey mode;
Carry out location survey by multi-carrier mode based on described location survey mode.
On the one hand, provide a kind of terminal, comprising:
First determination module is used for determining the location survey mode;
The first location survey module is used for being undertaken by multi-carrier mode the location survey of the location survey mode determined based on described determination module.
On the one hand, provide a kind of serving BS, comprising:
Second receiver module is used for the location survey request of receiving terminal or network side;
The second location survey module is used for by multi-carrier mode described terminal being positioned measurement after described second receiver module receives the location survey request;
Second determination module, be used for after described second receiver module receives described location survey request, select to position the adjacent base station of measurement, with described adjacent base station negotiate, the carrier index number of distributing resource, the mode of determining location survey and/or the location survey of location survey with described terminal;
Sending module is used for the result that described second determination module is determined is sent to described terminal, assists the described second location survey module to position measurement for described terminal.
On the one hand, also provide the system of location survey in a kind of multicarrier system, comprising: terminal, adjacent base station and serving BS; Wherein,
Described terminal is used for determining the location survey mode, is undertaken based on the location survey of described location survey mode or assists described serving BS and/or location survey based on described location survey mode is carried out by multi-carrier mode in adjacent base station by multi-carrier mode.
The technical scheme that the embodiment of the invention provides, terminal and base station can position measurement by multi-carrier mode, on the one hand, in this multi-carrier mode, terminal can position measurement or assist at least two base stations that self is positioned measurement simultaneously at least two base stations simultaneously by the described location survey mode of determining at least two carrier waves, than utilizing single carrier each base station to be carried out one by one the location survey of time-division: saved the time, improved the precision of location survey; On the other hand, in this multi-carrier mode, terminal and base station can also be dispatched on all the other carrier waves and transmit all the other business when being positioned measurement, thereby keep other professional continuitys.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the schematic flow sheet of the locating measurement method in the embodiment of the invention multicarrier system;
Fig. 2 is the schematic flow sheet of the locating measurement method in the embodiment of the invention four;
Fig. 3 is the schematic flow sheet of the locating measurement method in the embodiment of the invention five;
Fig. 4 is the positioning measurment system in the embodiment of the invention multicarrier system and the structure chart of device.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
For improving the precision of location survey in the multicarrier system, the embodiment of the invention provides a kind of method of location survey, as shown in Figure 1, comprising:
S101 determines the location survey mode;
S102 carries out location survey based on described location survey mode by multi-carrier mode.
What is called is used for the multi-carrier mode of location survey, that is: on the one hand, terminal can position measurement or assist at least two base stations that self is positioned measurement simultaneously at least two base stations simultaneously by the described location survey mode of determining at least two carrier waves; On the other hand, all the other business can also be dispatched and transmit in terminal and base station on all the other carrier waves when positioning measurement.
Wherein, among the S102, position measurement by multi-carrier mode and comprise:
Terminal positions measurement or assists at least two base stations that self is positioned measurement simultaneously at least two base stations simultaneously by the location survey mode of determining at least two carrier waves; And/or
Terminal is carried out the location survey of time-division by the location survey mode determined to remaining serving BS and/or adjacent base station or is assisted remaining serving BS simultaneously and/or the location survey of time-division is carried out to self in adjacent base station on different carrier waves.
The method that the embodiment of the invention provides is than utilizing single carrier each base station to be carried out one by one the location survey of time-division: saved the time, improved the precision of location survey, kept other professional continuity.
In the embodiment of the invention, the location survey of LBS can be initiated according to business need in terminal and base station.For the location survey that terminal is initiated, can be divided into and need the base station assigns location measurement information and do not need two kinds of base station assigns location measurement information.For the location survey that base station (according to the request of network side) initiated, the base station then can distribute location measurement information to position measurement to terminal.The location survey of the LBS that initiates based on terminal and base station, the information interaction flow process of corresponding location survey can be different, and the location survey mode (U-TDOA, D-TDOA, RTD) that is suitable for also can be different.The location survey mode of U-TDOA is resource and the information that necessarily needs the base station assigns location survey, D-TDOA then can position measurement according to base station assigns relevant location survey resource and/or information with RTD location survey mode, also can be that terminal directly positions measurement (not needing the corresponding resource of base station assigns) according to the mode of self determining multicarrier.Below in conjunction with accompanying drawing the locating measurement method that the embodiment of the invention provides is described in detail.
Embodiment one
Terminal is initiated the location survey of LBS, and the base station assigns resource assists terminal to measure, and specifically comprises:
At first: terminal sends the location survey request message to serving BS, and request serving BS Resources allocation carries out location survey based on the LBS business to different base stations for terminal on a plurality of carrier waves.The content of location survey request message can comprise with the next item down or multinomial: location survey mode (U-TDOA, D-TDOA and RTD etc.) and/or the carrier index measured number and/or corresponding Measuring Time.
Secondly: after serving BS receives the location survey request message of terminal, judgement through serving BS itself, feedback location survey response message is given terminal, whether the notice terminal can use information requested to carry out the location survey of LBS, perhaps redistributes suitable location survey resource and gives terminal.Serving BS feedback location survey response message (as LBS-RSP) is given terminal, and this message content comprises with the next item down or multinomial: the identification number of range finding base station (comprising serving BS and adjacent base station), the call number of corresponding carrier wave, corresponding measurement duration, the out of Memory of corresponding location survey mode etc.
Then, terminal receives after the location survey response message of serving BS, and terminal is carried out the location survey of multicarrier according to the location measurement information that serving BS distributes to serving BS and adjacent base station by multi-carrier mode.
Embodiment two
Terminal is initiated the location survey of LBS, does not need the base station assigns resource to assist terminal to position measurement, and terminal directly uses a plurality of carrier waves that different base stations is positioned measurement, and the location survey mode can be D-TDOA mode or RTD mode.
Determine to position when measuring when terminal, specifically comprise in the D-TDOA mode:
Terminal is according to the scanning result of self, by multi-carrier mode a plurality of base stations (serving BS and/or adjacent base station) carried out the location survey of D-TDOA mode, calculates the position of oneself according to positioning measurement result.
Determine to position when measuring when terminal, specifically comprise in the RTD mode:
Terminal is according to the scanning result of self, by multi-carrier mode a plurality of base stations (serving BS and/or adjacent base station) carried out the location survey of RTD mode, calculates the position of oneself according to positioning measurement result.
Wherein, if the location survey that initiate the base station is the metering system of D-TDOA or RTD, the base station not necessarily needs to distribute the location survey resource to position measurement to terminal so.In like manner, if the location survey that terminal is initiated is the metering system of D-TDOA or RTD, also not necessarily need the resource of base station assigns location survey to give terminal.
Embodiment three
Terminal is initiated the location survey based on the LBS of U-TDOA, different with embodiment two is, terminal needs the base station assigns resource to assist terminal to position measurement, terminal at first sends the location survey request message to serving BS, serving BS and adjacent base station negotiate, send the location survey response message to terminal, after terminal receives the location survey response message, by multi-carrier mode serving BS and/or adjacent base station are positioned measurement again.
Embodiment four
Serving BS is initiated the location survey of LBS, is the resource of terminal distribution location survey.As shown in Figure 2, comprising:
S201, serving BS receive network side carries out the location survey of LBS to terminal service request.
S202, serving BS is held consultation with adjacent base station (serving BS can obtain relevant adjacent base station information from the Neighboring Cell List of terminal), distributes the resource of location survey.Ask adjacent base station assigns respective resources to position measurement, and negotiate content is returned to serving BS to terminal.The content of consulting can be with the next item down or multinomial: location survey mode (U-TDOA, D-TDOA and RTD etc.), the carrier index measured number, corresponding Measuring Time, metrical information that corresponding location survey mode is required or the like.
S203, serving BS is certainly as the required resource of terminal distribution location survey.
S204, serving BS sends location survey response message (as LBS-RSP) to terminal.This location survey request response comprises with the next item down or multinomial: the identification number of location survey mode, respective base station, the call number of corresponding carrier wave, the measurement duration of correspondence and/or the out of Memory of corresponding location survey mode, at different location survey modes, the content of corresponding location survey response message is also different.
S205, terminal receives location survey response (as LBS-RSP) message, determines the location survey mode according to this message; And position according to the multi-carrier mode of this message indication and to measure or assist the base station that self is positioned measurement.
Embodiment five
Multicarrier location survey based on U-TDOA as shown in Figure 3, comprising:
S301, serving BS is determined the location survey mode based on U-TDOA, with adjacent base station negotiate, requires adjacent base station assigns resource to position measurement for terminal.
S302, range finding time, ranging code, the biasing of access chance and the carrier index number of the special use of terminal are determined to give in adjacent base station, and return the relevant parameter that is used for special ranging between terminal and the adjacent base station (range finding carrier index number, frame number, ranging code, the biasing of access chance) to serving BS.
S303, serving BS distribute the range finding time, range finding code word of self and adjacent base station, corresponding range finding carrier index number and insert the chance biasing and position measurement for terminal.
S304, serving BS sends location survey response message (as LBS-RSP) to terminal.This location survey response message comprises with the next item down or multinomial: the identification number of location survey mode, respective base station, the call number of corresponding carrier wave, the measurement duration of correspondence and/or the out of Memory of corresponding location survey mode.The mode that sends comprises:
Serving BS sends to terminal by single carrier wave with the resource and/or the location survey mode of distributing; For example: serving BS sends a message by single carrier wave (carrier wave A) and comes the special ranging of requirement terminal initiation to serving BS and adjacent base station to terminal, and the information that this message is carried has (call number of the identification number of range finding base station, corresponding range finding carrier wave, corresponding measurement duration, the code word of finding range, send opportunity biasing).Perhaps
Serving BS by at least two carrier waves with the resource of distributing and/or location survey mode simultaneously or do not send to terminal simultaneously, for example: serving BS sends a message by carrier wave A and comes the special ranging of requirement terminal initiation to serving BS to terminal, serving BS sends a message by carrier wave B and comes the special ranging of requirement terminal initiation to adjacent base station to terminal, wherein, serving BS can send message by carrier wave A and carrier wave B simultaneously, perhaps adopts the mode of time-division to send corresponding message.
S305, serving BS and adjacent base station assigns ascending resource carry out special ranging to terminal.
S306, terminal receives location survey response (as LBS-RSP) message, is defined as the location survey mode based on U-TDOA; And position according to the multi-carrier mode of this message indication and to measure or assist the base station that self is positioned measurement.Specifically comprise:
If the fixed time intercarrier B in correspondence adjacent base station range finding has the special ranging resource, terminal determines that specific zone is used for sending the special ranging sign indicating number, and, on carrier wave B, send the special ranging sign indicating number to the adjacent base station of correspondence according to the definite transmission opportunity that sends the special ranging sign indicating number of access chance biasing of in message, carrying.Adjacent base station measurement is adjustment amount t2 regularly, and the result of the range finding of special ranging sign indicating number is aggregated into serving BS.
If the fixed time intercarrier A in the range finding of corresponding with service base station has the special ranging resource, terminal determines that specific zone is used for sending the special ranging sign indicating number, and, on carrier wave A, send the special ranging sign indicating number to serving BS according to the definite transmission opportunity that sends the special ranging sign indicating number of access chance biasing of in message, carrying.Serving BS is measured regularly adjustment amount t3.
The relevant information that reporting message that serving BS directly obtains according to self or by adjacent base station obtains is calculated U-TDOA, T1=(t3-t2)/2, and further calculate the position of terminal, finish the positioning function of LBS.
Embodiment six
Based on the multicarrier location survey of RTD, all be under the synchronous situation of up-downgoing between terminal and the base station, can obtain the round-trip delay between terminal and the base station by the Time Calculation of transmitting between message or the data between terminal and the base station.Under situation not synchronous between terminal and the base station, terminal need initially insert the base station, after reaching up-downgoing synchronously, could obtain the round-trip delay between terminal and the base station by calculating the time of message and transfer of data each other.Serving BS can calculate the position of terminal by obtaining terminal to the round-trip delay between a plurality of base stations.Comprise:
At first, serving BS will (include but not limited to the next item down or multinomial: the resource of location survey mode, distribution) send to terminal with the information after the adjacent base station negotiate by single carrier wave; By at least two carrier waves during with this information of same or the mode (not simultaneously) by the time-division send to described terminal.
Secondly, terminal is defined as the location survey mode based on RTD according to the information such as resource of location survey mode and/or distribution; And position according to the multi-carrier mode of this message indication and to measure or assist the base station that self is positioned measurement.Can at least two carrier waves, position measurement simultaneously to improve the precision of measuring at least two base stations.For example: terminal is carried out the location survey of RTD according to the result who consults to serving BS on carrier wave A, simultaneously, respectively adjacent base station 1 and adjacent base station 2 is carried out the location survey of RTD on carrier wave B and carrier wave C.Also can on carrier wave A, carry out earlier the location survey of RTD, then, on carrier wave B and carrier wave C, simultaneously adjacent base station 1 and adjacent base station 2 be carried out the location survey of RTD again according to information such as resource of distributing and/or location survey modes to serving BS.Wherein, if terminal also has carrier wave D, then terminal is when measuring the base station by carrier wave A, carrier wave B and/or carrier wave C, and terminal can continue to dispatch and transmit all the other business on carrier wave D; In like manner, all the other business can be dispatched and transmit in the base station also on carrier wave B, carrier wave C and/or carrier wave D.
At last, positioning measurement result that terminal will record a plurality of base stations by a plurality of carrier waves or terminal self are calculated the positional information that obtains and are fed back to serving BS, and serving BS calculates or directly obtain the position of terminal according to the last feedack of terminal.
Embodiment seven
Based on the multicarrier location survey of D-TDOA, the adjacent base station of terminal scanning and by measuring the downstream signal of adjacent base station obtains the relative time delay RD of terminal to adjacent base station and serving BS.When terminal obtains the relative time delay RD and relevant Base Station Identification of terminal to adjacent base station and serving BS, and/or the commute time delay RTD value of terminal and serving BS, just in RNG-REQ message, carry information (comprise with the next item down or multinomial: terminal is to the RD in relative time delay of adjacent base station and serving BS, relevant Base Station Identification and the commute time delay RTD value of terminal and serving BS) to serving BS.Serving BS just can calculate the position of terminal according to these information of terminal to report.Comprise:
At first, serving BS will (include but not limited to the next item down or multinomial: the resource of location survey mode, distribution) send to terminal with the information after the adjacent base station negotiate by single carrier wave; By at least two carrier waves during with this information of same or the mode (not simultaneously) by the time-division send to described terminal.
Secondly, terminal is defined as the location survey mode based on D-TDOA according to the information that receives; And position according to the multi-carrier mode of this message indication and to measure or assist the base station that self is positioned measurement.Can at least two carrier waves, position measurement simultaneously to improve the precision of measuring at least two base stations.For example: terminal is carried out the location survey of D-TDOA according to the information that receives to serving BS on carrier wave A, simultaneously, and on the one hand.Terminal is in interscan preset time on the carrier wave B and measure relative time delay (RD) between adjacent base station 1 and the serving BS; On the other hand, terminal is in interscan preset time on the carrier wave C and measure relative time delay (RD) between adjacent base station 2 and the serving BS.Also can be according to the result who consults, on carrier wave A, serving BS is carried out earlier the location survey of D-TDOA, then, on carrier wave B and carrier wave C, simultaneously adjacent base station 1 and adjacent base station 2 are carried out the location survey of D-TDOA again, obtain the relative time delay (RD) of adjacent base station 1 and adjacent base station 2 and serving BS.
At last, positioning measurement result that terminal will record a plurality of base stations by a plurality of carrier waves or the terminal positional information that calculates feed back to serving BS, and serving BS calculates or directly obtain the position of terminal according to the last feedack of terminal.
In the above-described embodiments, when needs serving BS Resources allocation positions measurement for terminal, serving BS receives the location survey request of network side or terminal, determine the mode of location survey, with adjacent base station negotiate, the resource of distributing location survey, then, to carry the location survey mode, and/or the carrier index of measuring number, and/or the resource of distributing (for example: corresponding Measuring Time, and/or the sign indicating number resource used of corresponding measurement and insert chance biasing resource) etc. the message of information (for example: the location survey response message) mode by single carrier or multicarrier (by at least two carrier waves whiles or do not send the result of this negotiation simultaneously) mode sends to terminal.Wherein, base station (comprising: serving BS and adjacent base station) can be by explicit (serving BS and/or adjacent base station are by number sending to the carrier index of location survey described terminal in the mode of carrying message on one or more carrier waves) or implicit expression (serving BS and/or adjacent base station are being distributed on two carrier waves that terminal positions measurement send the information of determining location survey at least, and then terminal is just carried out location survey on the carrier wave of described correspondence) mode the carrier index of location survey number is sent to terminal.So-called explicit, promptly in message content, carry out clear and definite indication, and implicit expression, then refer to the base station by arbitrary carrier wave (for example: carrier wave A) send when measuring relevant message, then this terminal by this initiation and this base station location survey and calculate and pass through this carrier wave (carrier wave A) and feed back measurement result according to this carrier wave (carrier wave A) to serving BS.After terminal receives measurement result, can determine location survey mode (U-TDOA according to the indication in this negotiation result, D-TDOA, or RTD), and (for example: the matching relationship on corresponding carrier wave, base station and measurement opportunity) position measurement, and at least two carrier waves, at least two base stations are positioned measurement simultaneously by the mode of determining according to the indication in this negotiation result.
On the other hand, terminal also can select suitable location survey mode not need the location survey of serving BS Resources allocation, can be the D-TDOA mode, also can be the RTD mode.Terminal self is determined the location survey mode, carries out location survey based on described location survey mode by multi-carrier mode.
In the above-described embodiments, terminal need position measurement to the base station more than at least three could obtain location information of terminals exactly, therefore, terminal can also be carried out the location survey of time-division to remaining serving BS and/or adjacent base station or assist remaining serving BS and/or the location survey of time-division is carried out to self in adjacent base station by the location survey mode determined.For example: before terminal positions measurement simultaneously at least two base stations and/or afterwards, terminal positions measurement by the mode of determining to remaining serving BS and the timesharing of adjacent base station on identical or different carrier wave; And/or at least two carrier waves, remaining serving BS and adjacent base station are positioned measurement simultaneously by the mode of determining.
The embodiment of the invention is at multicarrier system, and terminal can be utilized the ability of its multicarrier, on a plurality of carrier waves simultaneously or do not carry out the location survey of LBS simultaneously.For improving the precision of location survey in the multicarrier system, the embodiment of the invention provides a kind of system and device of location survey:
Positioning measurment system in the multicarrier system that the embodiment of the invention provides as shown in Figure 4, comprising: terminal 1, serving BS 3 and adjacent base station 5;
Terminal 1 is used for determining the location survey mode, is undertaken carrying out location survey based on the location survey mode based on the location survey of location survey mode or assistance services base station 3 and/or adjacent base station 5 by multi-carrier mode by multi-carrier mode.
On the one hand, in this system, terminal 1 also is used for self determining the mode (for example: U-TDOA, D-TDOA or RTD) of location survey, then, carries out location survey based on this location survey mode by multi-carrier mode again.
On the one hand, in this system, serving BS 3 also is used for the location survey request of receiving terminal 1 or network side; Select to position the adjacent base station 5 of measurement, with the resource of adjacent base station 5 negotiation location surveys with terminal 1; With negotiation result by at least two carrier waves or single carrier wave simultaneously or the time-division send to terminal 1.Therefore, in this system:
Terminal 1, also be used for sending the location survey request to serving BS 3, (this message can be the response message of location survey request message to the message that reception serving BS 3 sends, or other Indication message), determine the location survey mode according to message, the multi-carrier mode of indicating according to message positions measurement;
Serving BS 3, be used for the location survey request of receiving terminal 1 or network side, select to position the adjacent base station 5 of measurement with terminal 1, the carrier index number of consulting, distributing resource, the mode of determining location survey and/or the location survey of location survey with adjacent base station 5, the result who determines is sent to terminal 1, cooperate with terminal 1, terminal 1 is positioned measurement by multi-carrier mode.
The embodiment of the invention also provides a kind of terminal 1, as shown in Figure 4, comprising:
The first location survey module 13 is used for carrying out the location survey of the location survey mode determined based on described first determination module 11 or assistance services base station 3 and/or adjacent base station 5 by multi-carrier mode and carries out the location survey determined based on described first determination module 11 by multi-carrier mode.
This terminal 1 can further include first receiver module 15, is used to receive the message that serving BS 3 sends, and message is carried the carrier index number of location survey mode, negotiation result and/or location survey;
The first location survey module 13 also is used for positioning measurement or assistance services base station 3 and/or adjacent base station 5 according to the multi-carrier mode that the message that first receiver module 15 receives is indicated and positions measurement.
The embodiment of the invention also provides a kind of serving BS 3, as shown in Figure 4, comprising:
The second location survey module 33 is used for by multi-carrier mode terminal 1 being positioned measurement after second receiver module 31 receives the location survey request;
Sending module 37 is used for that the result that second determination module 35 is determined is sent to terminal 1 and (will sends to terminal 1 with the information after 5 negotiations of adjacent base station by single carrier wave; By at least two carrier waves during with this information of same or the mode by the time-division send to terminal 1), assist 1 second location survey module 33 to position measurement for terminal 1.
Wherein, the mode that sending module 37 can be by explicit or implicit expression number sends to terminal 1 with the carrier index of location survey.When the mode of utilizing carrier wave A by implicit expression when terminal 1 sends negotiation result, then terminal 1 will be initiated location surveys and feed back positioning measurement result to serving BS 3 by carrier wave A.
Positioning measuring device in the multicarrier system that the embodiment of the invention provides, terminal 1 and serving BS 3 can position measurement by multi-carrier mode, on the one hand, in this multi-carrier mode, terminal 1 can position measurement at least two base stations (serving BS 3 and/or adjacent base station 5) by the described location survey mode of determining simultaneously at least two carrier waves, or assist at least two base stations that self is positioned measurement simultaneously, than utilizing single carrier each base station to be carried out one by one the location survey of time-division: saved the time, improved the precision of location survey; On the other hand, in this multi-carrier mode, terminal and base station can also be dispatched on all the other carrier waves and transmit all the other business when being positioned measurement, thereby keep other professional continuitys.
The above; only be the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; can expect easily changing or replacing, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claim.
Claims (17)
1. the locating measurement method in the multicarrier system is characterized in that, comprising:
Determine the location survey mode;
Carry out location survey by multi-carrier mode based on described location survey mode.
2. according to the locating measurement method in the described multicarrier system of claim 1, it is characterized in that,
Described location survey mode comprises the location survey that arrives time difference, descending arrival time difference or round-trip delay based on up.
3. according to the locating measurement method in the described multicarrier system of claim 2, it is characterized in that described definite location survey mode comprises:
Terminal self is determined the location survey mode; Perhaps
Serving BS is determined the location survey mode according to the location survey request of network side or described terminal, and described location survey mode is sent to described terminal.
4. according to the locating measurement method in the described multicarrier system of claim 3, it is characterized in that described serving BS also comprises when determining the location survey mode according to the location survey request of network side or described terminal:
Described serving BS and adjacent base station negotiate, the resource of distributing location survey;
The described resource that described serving BS will distribute sends to described terminal.
5. according to the locating measurement method in the described multicarrier system of claim 4, it is characterized in that described resource that described serving BS will distribute and/or location survey mode send to described terminal and comprise:
Described serving BS sends to described terminal by described resource and/or the location survey mode that single carrier wave will distribute; Or
Described serving BS at least two carrier waves with the described resource of location survey mode and/or distribution by simultaneously or the mode of time-division send to described terminal.
6. according to the locating measurement method in the described multicarrier system of claim 4, it is characterized in that, also comprise after the resource of described serving BS and described adjacent base station negotiate, distribution location survey:
Described serving BS and/or the adjacent base station mode by explicit or implicit expression number sends to described terminal with the carrier index of location survey.
7. according to the locating measurement method in the described multicarrier system of claim 1, it is characterized in that, describedly undertaken also comprising based on the location survey of described location survey mode by multi-carrier mode:
Described terminal positions measurement or assists at least two base stations that self is positioned measurement simultaneously at least two base stations simultaneously by the described location survey mode of determining at least two carrier waves.
8. according to the locating measurement method in the described multicarrier system of claim 7, it is characterized in that, describedly undertaken also comprising based on the location survey of described location survey mode by multi-carrier mode:
Described terminal is carried out the location survey of time-division by the described location survey mode determined to remaining serving BS and/or adjacent base station or is assisted remaining serving BS and/or the location survey of time-division is carried out to self in adjacent base station.
9. according to the locating measurement method in the described multicarrier system of claim 1, it is characterized in that, describedly also comprise when carrying out location survey based on described location survey mode by multi-carrier mode:
Described terminal and base station are dispatched on all the other carrier waves and are transmitted all the other business.
10. a terminal is characterized in that, comprising:
First determination module is used for determining the location survey mode;
The first location survey module is used for carrying out the location survey of the location survey mode determined based on described first determination module or assistance services base station and/or adjacent base station carry out the location survey mode determined based on described first determination module by multi-carrier mode location survey by multi-carrier mode.
11. according to the described terminal of claim 10, it is characterized in that, also comprise:
First receiver module is used to receive the message that described serving BS sends, and described message is carried the carrier index number of location survey mode and/or negotiation result and/or location survey;
Described first determination module also is used for determining described location survey mode according to the message that described first receiver module receives; And
The multi-carrier mode that the message that the described first location survey module also is used for receiving according to described first receiver module is indicated positions measurement or assists described serving BS and/or adjacent base station to position measurement.
12. a serving BS is characterized in that, comprising:
Second receiver module is used for the location survey request of receiving terminal or network side;
The second location survey module is used for by multi-carrier mode described terminal being positioned measurement after described second receiver module receives the location survey request;
Second determination module, be used for after described second receiver module receives described location survey request, select to position the adjacent base station of measurement, with described adjacent base station negotiate, the carrier index number of distributing resource, the mode of determining location survey and/or the location survey of location survey with described terminal;
Sending module is used for the result that described second determination module is determined is sent to described terminal, assists the described second location survey module to position measurement for described terminal.
13. according to the described serving BS of claim 12, it is characterized in that,
Described sending module comprises that also the mode by explicit or implicit expression number sends to described terminal with the carrier index of location survey.
14. the positioning measurment system in the multicarrier system is characterized in that, comprising: terminal, adjacent base station and serving BS; Wherein,
Described terminal is used for determining the location survey mode, is undertaken based on the location survey of described location survey mode or assists described serving BS and/or location survey based on described location survey mode is carried out by multi-carrier mode in adjacent base station by multi-carrier mode.
15. the positioning measurment system according in the described multicarrier system of claim 14 is characterized in that,
Described terminal also is used for sending the location survey request to described serving BS, receives the message that described serving BS sends, and determines the location survey mode according to described message, and the multi-carrier mode of indicating according to described message positions measurement;
Described serving BS, be used for the location survey request of receiving terminal or network side, select to position the adjacent base station of measurement with described terminal, with described adjacent base station negotiate, the carrier index number of distributing resource, the mode of determining location survey and/or the location survey of location survey, the result who determines is sent to described terminal, cooperate with described terminal, described terminal is positioned measurement by multi-carrier mode.
16. the positioning measurment system according in the described multicarrier system of claim 14 is characterized in that,
Described terminal also is used for self determining the mode of location survey, carries out location survey based on described location survey mode by multi-carrier mode.
17. the positioning measurment system according in the arbitrary described multicarrier system of claim 14 to 16 is characterized in that,
Described terminal and base station position when measuring by multi-carrier mode and also comprise: scheduling and transmit all the other business on all the other carrier waves.
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