CN101998439A - Method, system and device for measurement - Google Patents
Method, system and device for measurement Download PDFInfo
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- CN101998439A CN101998439A CN2009100913273A CN200910091327A CN101998439A CN 101998439 A CN101998439 A CN 101998439A CN 2009100913273 A CN2009100913273 A CN 2009100913273A CN 200910091327 A CN200910091327 A CN 200910091327A CN 101998439 A CN101998439 A CN 101998439A
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Abstract
The embodiment of the invention relates to wireless communication technology, in particular to a method, a system and a device for measurement, which are used for measuring after a user terminal meets a measurement condition so as to save resources and improve the resource utilization rate. The method comprises that: after the user terminal determines that the quality of a receipt signal meets the measurement condition, the user terminal determines the time for measurement according to measurement time parameter information from a radio network controller (RNC); and the user terminal performs measurement according to the received a neighbor cell list from the RNC. The method reduces the frequency of useless measurement, saves resources and improves the resource utilization rate due to the fact that the measurement is carried out after the user terminal meets the measurement condition.
Description
Technical field
The present invention relates to wireless communication technology, particularly a kind of mthods, systems and devices of measuring.
Background technology
For TD-SCDMA (Time Division Synchronized Code Division MultipleAccess, the time-division synchronous CDMA system), current agreement regulation, at CELL_FACH (cell forward access state) state and CELL_DCH (cell dedicated channel status) state, receive same frequency, alien frequencies or the different system adjacent cell list of network configuration when user terminal (UE) after, need carry out with frequently alien frequencies or isosystem measurement.
RNC (Radio Network Controller, radio network controller) is by broadcast or measure control messages to user terminal configuration frequency together, alien frequencies or the tabulation of different system cell.The information of adjacent sub-district, for example frequency information and scrambler around after terminal receives these list informations, just having known.Terminal just can uniquely be determined an adjacent sub-district like this.RNC also can or measure the amount that control messages will be measured to terminal configuration by broadcast, and user terminal is measured the amount that will measure in the adjacent sub-district of determining.
Network side can send with frequency, alien frequencies or different system adjacent cell list to user terminal according to the time of setting.Be in the user terminal of CELL_FACH state and CELL_DCH state, after receiving the same frequency of network configuration, alien frequencies or different system adjacent cell list, all need carry out with frequently alien frequencies or isosystem measurement in the moment of appointment.
User terminal does not need to measure sometimes, but also can measure after receiving adjacent cell list, thereby user terminal can carry out many unnecessary measurements, and user terminal need take many resources when measuring, these occupied resources can not be used for transmission, cause the wasting of resources.
In sum, user terminal all can be measured in the moment of appointment, thereby can cause the wasting of resources after receiving the cell list of network configuration at present, has reduced resource utilization.
Summary of the invention
The embodiment of the invention provides a kind of mthods, systems and devices of measuring, and just measures after satisfying measuring condition at user terminal, thereby has saved resource, has improved resource utilization.
A kind of method of measuring that the embodiment of the invention provides, this method comprises:
User terminal according to the Measuring Time parameter information of receiving from RNC, is determined the time of measuring after definite received signal quality satisfies measuring condition;
When described user terminal arrives in the Measuring Time of determining, measure according to the adjacent cell list of receiving from RNC.
A kind of system of measuring that the embodiment of the invention provides comprises the base station, and this system also comprises:
RNC is used to send Measuring Time parameter and adjacent cell list;
User terminal is used for after definite received signal quality satisfies measuring condition, according to the Measuring Time parameter information of receiving, determines time of measuring, and when the Measuring Time of determining arrives, measures according to the adjacent cell list of receiving.
A kind of user terminal that the embodiment of the invention provides, this user terminal comprises:
Receiver module is used to receive Measuring Time parameter information and adjacent cell list from RNC;
The time determination module is used for according to the Measuring Time parameter information of receiving, determining the time of measuring after definite received signal quality satisfies measuring condition;
Measurement module is used for measuring according to the adjacent cell list of receiving when the Measuring Time of determining arrives.
A kind of RNC that the embodiment of the invention provides, this RNC comprises:
First processing module is used to receive the message of obtaining from user terminal, and the wherein said message of obtaining is that user terminal sends after definite received signal quality satisfies measuring condition;
Information sending module, be used for receive described obtain message after, send Measuring Time parameter information and adjacent cell list to user terminal, and send the Measuring Time parameter to the base station.
A kind of base station that the embodiment of the invention provides, this base station comprises:
Second processing module is used to receive the Measuring Time parameter from radio network controller (RNC);
Determination module, be used for behind the notification message of receiving from user terminal, determine the time that described user terminal is measured according to the described Measuring Time parameter that described second processing module is received, wherein said notification message is that user terminal sends after definite received signal quality satisfies measuring condition.
The user terminal of the embodiment of the invention is after definite received signal quality satisfies measuring condition, according to the Measuring Time parameter information of receiving from RNC, determine time of measuring, when the Measuring Time of determining arrives, measure according to the adjacent cell list of receiving from RNC.
Because user terminal just begins to measure, thereby reduce the number of times of useless measurement after satisfying measuring condition, saved resource, improved resource utilization; Further, owing to reduced the measurement number of times, thus reduce terminal power consumption, prolong the stand-by time of terminal.
Description of drawings
The system configuration schematic diagram that Fig. 1 measures for the embodiment of the invention;
Fig. 2 is the structural representation of embodiment of the invention user terminal;
Fig. 3 is the structural representation of first kind of RNC of the embodiment of the invention;
Fig. 4 is the structural representation of embodiment of the invention base station;
Fig. 5 is first kind of method flow schematic diagram of measuring of the embodiment of the invention;
Fig. 6 is second kind of method flow schematic diagram of measuring of the embodiment of the invention;
Fig. 7 is the third method flow schematic diagram of measuring of the embodiment of the invention;
It among Fig. 8 the structural representation of second kind of RNC of the embodiment of the invention;
Be the 4th kind of method flow schematic diagram of measuring of the embodiment of the invention among Fig. 9.
Embodiment
The user terminal of the embodiment of the invention is after definite received signal quality satisfies measuring condition, according to the Measuring Time parameter information of receiving from RNC, determine time of measuring, when the Measuring Time of determining arrives, measure according to the adjacent cell list of receiving from RNC.Because user terminal just begins to measure, thereby reduce the number of times of useless measurement after satisfying measuring condition, saved resource, improved resource utilization.
Under traditional CELL_FACH state, because terminal need be monitored FACH (Forward AccessChannel, forward access channel), and FACH is mapped to physical channel SCCPCH (SecondaryCommon Control Physical Channel, Secondary Common Control Physical Channel), SCCPCH is positioned at TS0.That is to say that under traditional CELL_FACH state user terminal needs the SCCPCH channel of continuous monitoring TS0 time slot.If will measuring, user terminal just must jump to the PCCPCH that monitors adjacent sub-district on other frequency at the TS0 place.If the base station utilizes the FACH channel to give user terminal to transmit data so, this moment, user terminal jumped to the PCCPCH that monitors adjacent sub-district on other frequency just, will cause user terminal to monitor less than SCCPCH so, thereby cause follow-up loss of data.For this situation, stipulated that is calculated the measurement formula on opportunity:
SFN div N=C_RNTI mod M_REP+n*M_REP (formula one)
Wherein SFN represents the numbering of radio frames; N represents maximum TTI (Transmission TimeInterval, the Transmission Time Interval) length (is unit with the radio frames) of FACH; C-RNTI is the sign of terminal; M_REP is measuring period, and its value is disposed by RNC; N is an integer, and value is 0,1,2......These parameters dispose simultaneously to base station and user terminal.For the SFN place that satisfies following formula, user terminal is measured, and user terminal to transmit data can not given at corresponding SFN place in the base station.User terminal and base station start this calculating measurement formula on opportunity simultaneously after receiving the parameter of configuration, thereby avoid the appearance of data loss problem.
Under CELL_DCH or enhancing CELL_FACH state,,, user terminal just must jump to the PCCPCH that monitors adjacent sub-district on other frequency at the TS0 place if will carrying out different-frequency measure because the PCCPCH channel only exists on the TS0.For the system that uses TS0, for example the TS0 place has disposed HS-SCCH (High-Speed shared control channel, High-Speed Shared Control Channel) channel, if user terminal has been dispatched at the TS0 place in the base station so, just this moment, user terminal jumped to the PCCPCH that monitors adjacent sub-district on other frequency, will cause user terminal to monitor so, thereby cause follow-up loss of data less than HS-SCCH.For this situation, stipulated that is calculated the measurement formula on opportunity:
SFN=H-RNTI mod M_REP+n*M_REP (formula two)
Wherein SFN represents the numbering of radio frames; H-RNTI is the sign of terminal; M_REP is measuring period, and its value is disposed by RNC; N is an integer, and value is 0,1,2......These parameters dispose simultaneously to base station and user terminal.For the SFN place that satisfies following formula, user terminal is measured, and the base station can the dispatched users terminal at corresponding SFN place.User terminal and base station start this calculating measurement formula on opportunity simultaneously after receiving the parameter of configuration, thereby avoid the appearance of data loss problem.
Need to prove that the formula that the Measuring Time use is calculated in user terminal in the embodiment of the invention and base station is not limited to above-mentioned two kinds, other any formula that can calculate Measuring Time all are to use the embodiment of the invention.
Below in conjunction with Figure of description the embodiment of the invention is described in further detail.
As shown in Figure 1, the system measured of the embodiment of the invention comprises: RNC 10 and user terminal 20.
RNC 10, are used to send Measuring Time parameter and adjacent cell list.
User terminal 20 is used for after definite received signal quality satisfies measuring condition, according to the Measuring Time parameter information of receiving, determines time of measuring, and when the Measuring Time of determining arrives, measures according to the adjacent cell list of receiving.
Wherein, if received signal quality is the signal strength signal intensity sign (promptly can determine received signal quality according to the signal strength signal intensity of sub-district, user terminal place) by sub-district, user terminal place, then measuring condition comprises:
The signal strength signal intensity of sub-district, user terminal place is lower than first and sets threshold value, and the duration is greater than first threshold.
Concrete, the first setting threshold value and first threshold can be set as required.A kind of extreme mode is that first threshold is set to 0, sets threshold value as long as the signal strength signal intensity of sub-district, user terminal place is lower than first like this, just determines that received signal quality satisfies measuring condition.
In specific implementation process, the signal strength signal intensity of sub-district, user terminal place can be PCCPCH (the Primary common control physical channel of sub-district, user terminal place, Primary Common Control Physical Channel) received power, be RSCP (Received Signal Code Power, received signal code power).
Need to prove that the signal strength signal intensity of sub-district, embodiment of the invention user terminal place is not limited to the received power of PCCPCH, the received power of other channels is suitable for the embodiment of the invention equally.
If received signal quality is the path loss sign (promptly can determine received signal quality according to the path loss of user terminal) by user terminal, then measuring condition comprises:
The path loss of user terminal is higher than second and sets threshold value, and the duration is greater than setting second threshold value.
Concrete, the second setting threshold value and second threshold value can be set as required.A kind of extreme mode is that second threshold value is set to 0, sets threshold value as long as the path loss of user terminal is higher than second like this, just determines that received signal quality satisfies measuring condition.
In specific implementation process, path loss is exactly the received power of user terminal reality and the difference between the actual emission power.
Can adopt formula three calculating:
Srxlev=Qrxlevmeas-Qrxlevmin-Pcompensation (formula three)
Wherein, Qrxlevmeas represents the received power of user terminal reality; Qrxlevmin represents that the sub-district requires minimum received power (by broadcast announcement); Pcompensation is the higher value in UE_TXPWR_MAX_RACH-P_MAX and 0, and UE_TXPWR_MAX_RACH represents the maximum transmission power that allows on the RACH channel, and P_MAX represents the peak power output of user terminal.
Need to prove that the embodiment of the invention is calculated path loss and is not limited to formula three, other formula that can calculate path loss all are to use the embodiment of the invention.
Wherein, RNC 10 has dual mode to user terminal 20 transmission Measuring Time parameters and adjacent cell list.
Mode one, user terminal 20 notice RNC 10 send Measuring Time parameter and adjacent cell list.
User terminal 20 is after definite received signal quality satisfies measuring condition, and RNC 10 sends Measuring Time parameter information and adjacent cell list to user terminal 20.
In order to allow base station 30 not go dispatched users terminal 20 or to send data to user terminal 20 in the time that user terminal 20 is measured, RNC 10 also needs to send the Measuring Time parameter information to base station 30.
In specific implementation process, RNC 10 receive obtain message after, before the time that user terminal 20 is determined to measure, send the Measuring Time parameter informations to base station 30.
RNC 10 sends the Measuring Time parameter information to base station 30 can be early than the time to user terminal 20 return measurement time parameter information and adjacent cell list; Also can be later than time to user terminal 20 return measurement time parameter information and adjacent cell list; Also can in the time of time of user terminal 20 return measurement time parameter information and adjacent cell list, send the Measuring Time parameter informations to base station 30.
Accordingly, Measuring Time is determined according to the Measuring Time parameter information of receiving in user terminal 20 and base station 30.
In specific implementation process, base station 30 can determine that with formula one still be formula two according to the parameter of RNC 10 configurations.
User terminal 20 can be RRC (Radio ResourceControl to the message of obtaining that RNC 10 sends, dedicated radio resources control) signaling or special MAC PDU (MAC Packet Data Unit, descending media access control protocol data unit) format messages.
Need to prove that the message of obtaining of the embodiment of the invention is not limited to above-mentioned two kinds of message, other message that can notify RNC 10 need obtain Measuring Time parameter information and adjacent cell list all are suitable for the embodiment of the invention.
Mode two, RNC 10 directly send Measuring Time parameter and adjacent cell list to user terminal 20.
User terminal 20 is before definite received signal quality satisfies measuring condition, and RNC 10 sends Measuring Time parameter and adjacent cell list to user terminal 20.
In order to allow base station 30 not go dispatched users terminal 20 or to send data to user terminal 20 in the time that user terminal 20 is measured, RNC 10 also needs to send the Measuring Time parameter information to base station 30.
In specific implementation process, RNC 10 also needed to send the Measuring Time parameter information to base station 30 before definite received signal quality satisfies measuring condition.
RNC 10 sends the Measuring Time parameter information to base station 30 can be early than the time to user terminal 20 return measurement time parameter information and adjacent cell list; Also can be later than time to user terminal 20 return measurement time parameter information and adjacent cell list; Also can in the time of time of user terminal 20 return measurement time parameter information and adjacent cell list, send the Measuring Time parameter informations to base station 30.
Accordingly, after the Measuring Time parameter information is received in user terminal 20 and base station 30, first buffer memory Measuring Time parameter information;
User terminal sends announcement information to base station 30 after definite received signal quality satisfies measuring condition, be used for informing base station 10, and user terminal 30 begins to measure;
Accordingly, the Measuring Time of user terminal 20 is determined in base station 30 according to the Measuring Time parameter information of buffer memory after notified message; And behind the user terminal 20 transmission announcement informations, determine Measuring Time according to the Measuring Time parameter information of buffer memory.
Consider the reliability of control channel, a kind of preferable mode is that user terminal 20 repeats to send announcement information to base station 30, and the number of times that repeats to send is by the time determined Measuring Time according to the Measuring Time parameter information of buffer memory after reaching and setting quantity; Also having a kind of mode is that a response message is returned in notified message rear line terminal 20 in base station 30, and then user terminal 20 is determined Measuring Time according to the Measuring Time parameter information of buffer memory after receiving response message.
Wherein, base station 30 needed to determine user terminal 20 current what state that are in before the Measuring Time of determining user terminal 20:
If user terminal 20 is in traditional CELL_FACH state, then Measuring Time is determined according to formula one in user terminal 20 and base station 30;
If user terminal 20 is in CELL_DCH or strengthens the CELL_FACH state, then Measuring Time is determined according to formula two in user terminal 20 and base station 30.
In specific implementation process, user terminal 20 can be with physical layer signaling as the notification message informing base station.This physical layer signaling can be special E-RUCCH (E-DCH Random access UplinkControl Channel, the ascending control channel of access at random of enhanced dedicated).
Such as comprising TEBS (Total E-DCH Buffer Status in the announcement information, total buffer memory of enhanced dedicated) and HLBS (Highest priority Logical channel Buffer Status, the cache occupation amount of highest priority logical channel), wherein TEBS is set to 0, and HLBS is set to greater than 0 (such as 1111).Because after TEBS was set to 0, HLBS can not be greater than 0, so just know it is notification message after receive base station 30 in the reality.
Need to prove that the notification message of the embodiment of the invention is not limited to above-mentioned form, the message that other can informing base station 30 all is suitable for the embodiment of the invention.
RNC 10 can also place the Measuring Time parameter information in NBAP (NodeBApplication Protocol, base station applies agreement) signaling or FP (Frame Protocol, the Frame Protocol) frame in mode one and the mode two, sends to base station 30.
Need to prove that the embodiment of the invention is not limited to above-mentioned mode to base station 30 transmission Measuring Time parameter informations, other any modes that can send the Measuring Time parameter informations to base station 30 all be to use the embodiment of the invention.
As shown in Figure 2, the user terminal of the embodiment of the invention comprises: receiver module 200, time determination module 210 and measurement module 220.
Wherein, if received signal quality is the signal strength signal intensity sign by sub-district, user terminal place, then measuring condition comprises:
The signal strength signal intensity of sub-district, user terminal place is lower than first and sets threshold value, and the duration is greater than first threshold.
In specific implementation process, the signal strength signal intensity of sub-district, user terminal place can be the received power of the PCCPCH of sub-district, user terminal place, i.e. RSCP.
Need to prove that the signal strength signal intensity of sub-district, embodiment of the invention user terminal place is not limited to the received power of PCCPCH, the received power of other channels is suitable for the embodiment of the invention equally.
If received signal quality is the path loss sign by user terminal, then measuring condition comprises:
The path loss of user terminal is higher than second and sets threshold value, and the duration is greater than setting second threshold value.
In specific implementation process, path loss is exactly the received power of user terminal reality and the difference between the actual emission power.Can adopt formula three calculating.
Need to prove that the embodiment of the invention is calculated path loss and is not limited to formula three, other formula that can calculate path loss all are to use the embodiment of the invention.
Wherein, the mode of receiver module 200 reception Measuring Time parameters and adjacent cell list has two kinds.
Mode one: time determination module 200 before the time of determining to measure, obtains message to the RNC transmission after definite received signal quality satisfies measuring condition;
Accordingly, receiver module 200 is received Measuring Time parameter and adjacent cell list from RNC after definite received signal quality satisfies measuring condition.
Need to prove that the message of obtaining of the embodiment of the invention is not limited to above-mentioned two kinds of message, other message that can notify RNC need obtain Measuring Time parameter information and adjacent cell list all are suitable for the embodiment of the invention.
Mode two, receiver module 200 were received Measuring Time parameter and adjacent cell list from RNC before definite received signal quality satisfies measuring condition;
Accordingly, time determination module 200 sends announcement information to the base station after definite received signal quality satisfies measuring condition, be used for the informing base station user terminal and begin to measure.
Consider the reliability of control channel, a kind of preferable mode is that time determination module 200 repeats to send announcement information to the base station, and the number of times that repeats to send is by the time determined Measuring Time according to the Measuring Time parameter information of buffer memory after reaching and setting quantity; Also having a kind of mode is that time determination module 200 Measuring Time parameter information according to buffer memory after receiving from the response message of base station is determined Measuring Time.
In specific implementation process, time determination module 200 can be with physical layer signaling as the notification message informing base station.This physical layer signaling can be special E-RUCCH.
Such as comprising TEBS and HLBS in the announcement information, wherein TEBS is set to 0, and HLBS is set to greater than 0 (such as 1111).
Need to prove that the notification message of the embodiment of the invention is not limited to above-mentioned form, the message that other can informing base station all is suitable for the embodiment of the invention.
As shown in Figure 3, first of the embodiment of the invention kind of RNC comprises: first processing module 100 and information sending module 110.
As shown in Figure 4, the base station of the embodiment of the invention comprises: second processing module 300 and determination module 310.
Second processing module 300 is used to receive the Measuring Time parameter from RNC.
Determination module 310, be used for behind the notification message of receiving from user terminal, determine the time that user terminal is measured according to the Measuring Time parameter that second processing module 300 is received, wherein notification message is that user terminal sends after definite received signal quality satisfies measuring condition.
In specific implementation process, second processing module 300 can buffer memory Measuring Time parameter after receiving the Measuring Time parameter; Determination module 310 extracts the Measuring Time parameter of second processing module, 300 buffer memorys behind the notification message of receiving from user terminal, and determines the time that user terminal is measured according to the Measuring Time parameter.
As shown in Figure 5, first kind of method of measuring of the embodiment of the invention comprises the following steps:
Step 501, user terminal according to the Measuring Time parameter information of receiving from RNC, are determined the time of measuring after definite received signal quality satisfies measuring condition.
When step 502, user terminal arrive in the Measuring Time of determining, measure according to the adjacent cell list of receiving from RNC.
Wherein, if received signal quality is the signal strength signal intensity sign by sub-district, user terminal place, then measuring condition comprises:
The signal strength signal intensity of sub-district, user terminal place is lower than first and sets threshold value, and the duration is greater than first threshold.
Concrete, the first setting threshold value and first threshold can be set as required.A kind of extreme mode is that first threshold is set to 0, sets threshold value as long as the signal strength signal intensity of sub-district, user terminal place is lower than first like this, just determines that received signal quality satisfies measuring condition.
In specific implementation process, the signal strength signal intensity of sub-district, user terminal place can be the received power of the PCCPCH of sub-district, user terminal place, i.e. RSCP.
Need to prove that the signal strength signal intensity of sub-district, embodiment of the invention user terminal place is not limited to the received power of PCCPCH, the received power of other channels is suitable for the embodiment of the invention equally.
If received signal quality is the path loss sign by user terminal, then measuring condition comprises:
The path loss of user terminal is higher than second and sets threshold value, and the duration is greater than setting second threshold value.
Concrete, the second setting threshold value and second threshold value can be set as required.A kind of extreme mode is that second threshold value is set to 0, sets threshold value as long as the path loss of user terminal is higher than second like this, just determines that received signal quality satisfies measuring condition.
In specific implementation process, path loss is exactly the received power of user terminal reality and the difference between the actual emission power.Can adopt formula three calculating.
Need to prove that the embodiment of the invention is calculated path loss and is not limited to formula three, other formula that can calculate path loss all are to use the embodiment of the invention.
Wherein, RNC has dual mode to user terminal transmission Measuring Time parameter and adjacent cell list.
Mode one, user terminal notice RNC send Measuring Time parameter and adjacent cell list.
Step 501 can further include:
Step a501, user terminal determine that received signal quality satisfies measuring condition, send to RNC and obtain message
After step b501, RNC receive and obtain message, to user terminal return measurement time parameter information and adjacent cell list;
Step c501, user terminal are determined the time of measuring according to the time parameter information of receiving.
In order to allow base station (being the base station of sub-district, user terminal place) not go the dispatched users terminal or to user terminal to transmit data in the time that user terminal is measured, RNC also needs to send the Measuring Time parameter information to the base station.
Among the step b501, RNC receive obtain message after, send the Measuring Time parameter information to the base station.
RNC sends the Measuring Time parameter information to the base station can be early than the time to user terminal return measurement time parameter information and adjacent cell list; Also can be later than time to user terminal return measurement time parameter information and adjacent cell list; Also can in the time of time of user terminal return measurement time parameter information and adjacent cell list, send the Measuring Time parameter information to the base station.
Accordingly, Measuring Time is determined according to the Measuring Time parameter information of receiving in user terminal and base station.
In specific implementation process, the base station can determine that with formula one still be formula two according to the parameter of RNC configuration.
User terminal can be RRC signaling or special MAC PDU format messages to the message of obtaining that RNC sends.
Need to prove that the message of obtaining of the embodiment of the invention is not limited to above-mentioned two kinds of message, other message that can notify RNC need obtain Measuring Time parameter information and adjacent cell list all are suitable for the embodiment of the invention.
Mode two, RNC directly send Measuring Time parameter and adjacent cell list to user terminal.
Can further include before the step 501:
Step a500, RNC send Measuring Time parameter and adjacent cell list to user terminal;
Step b500, user terminal receive Measuring Time parameter and adjacent cell list.
In order to allow the base station not go the dispatched users terminal or to user terminal to transmit data in the time that user terminal is measured, RNC also needs to send the Measuring Time parameter information to the base station.
Among the step a500, RNC also needs to send the Measuring Time parameter information to the base station.
RNC sends the Measuring Time parameter information to the base station can be early than the time to user terminal return measurement time parameter information and adjacent cell list; Also can be later than time to user terminal return measurement time parameter information and adjacent cell list; Also can in the time of time of user terminal return measurement time parameter information and adjacent cell list, send the Measuring Time parameter information to the base station.
Accordingly, after the Measuring Time parameter information is received in user terminal and base station, first buffer memory Measuring Time parameter information;
In the step 501, user terminal sends announcement information to the base station after definite received signal quality satisfies measuring condition, be used for informing base station, and user terminal begins to measure;
Accordingly, the Measuring Time of user terminal is determined in the base station according to the Measuring Time parameter information of buffer memory after notified message; And behind the user terminal transmission announcement information, determine Measuring Time according to the Measuring Time parameter information of buffer memory.
Consider the reliability of control channel, a kind of preferable mode is that user terminal repeats to send announcement information to the base station, and the number of times that repeats to send is by the time determined Measuring Time according to the Measuring Time parameter information of buffer memory after reaching and setting quantity; Also having a kind of mode is that a response message is returned in notified message rear line terminal in the base station, and then user terminal is determined Measuring Time according to the Measuring Time parameter information of buffer memory after receiving response message.
Wherein, the base station needed to determine current what state that is in of user terminal before the Measuring Time of determining user terminal:
If user terminal is in traditional CELL_FACH state, then Measuring Time is determined according to formula one in user terminal and base station;
If user terminal is in CELL_DCH or strengthens the CELL_FACH state, then Measuring Time is determined according to formula two in user terminal and base station.
In specific implementation process, user terminal can be with physical layer signaling as the notification message informing base station.This physical layer signaling can be special E-RUCCH.
Such as comprising TEBS and HLBS in the announcement information, wherein TEBS is set to 0, and HLBS is set to greater than 0 (such as 1111).
Need to prove that the notification message of the embodiment of the invention is not limited to above-mentioned form, the message that other can informing base station all is suitable for the embodiment of the invention.
RNC can also place the Measuring Time parameter information NBAP signaling or FP frame in mode one and the mode two, sends to the base station.
Need to prove that the embodiment of the invention is not limited to above-mentionedly send the mode of Measuring Time parameter information to the base station, other any modes that can send the Measuring Time parameter information to the base station all are to use the embodiment of the invention.
As shown in Figure 6, second kind of method of measuring of the embodiment of the invention comprises the following steps:
Step 600, RNC send to user terminal with adjacent cell list and Measuring Time parameter information, and the Measuring Time parameter information are sent to the base station.
Step 601, user terminal send announcement information to the base station after definite received signal quality satisfies measuring condition.
The time that user terminal is measured according to the Measuring Time parameter information of receiving, is determined in step 602, base station after notified information.
Step 603, user terminal be according to the Measuring Time parameter information of receiving, determines when the Measuring Time of determining arrives, to measure according to the adjacent cell list of receiving time of measuring.
Wherein, step 602 and step 603 do not have sequential relationship.
As shown in Figure 7, the third method of measuring of the embodiment of the invention comprises the following steps:
Step 700, user terminal obtain message to the RNC transmission after definite received signal quality satisfies measuring condition.
Step 701, RNC receive obtain message after, adjacent cell list and Measuring Time parameter information are sent to user terminal, and the Measuring Time parameter information are sent to the base station.
The time that user terminal is measured according to the Measuring Time parameter information of receiving, is determined in step 702, base station after receiving the Measuring Time parameter information
Step 703, user terminal be according to the Measuring Time parameter information of receiving, determines when the Measuring Time of determining arrives, to measure according to the adjacent cell list of receiving time of measuring.
Wherein, step 702 and step 703 do not have sequential relationship.
As shown in Figure 8, second kind of RNC of the embodiment of the invention comprises: condition determination module 800 and sending module 810.
If the user terminal received signal quality characterizes by the signal strength signal intensity of user terminal;
When condition determination module 800 is lower than the 3rd setting threshold value in the signal strength signal intensity of user terminal, determine that the user terminal received signal quality satisfies measuring condition;
If network characterizes when preload passes through the current capacity of network;
If network characterizes when preload passes through the current throughput of network;
Sending module 810, be used for determining that at condition determination module 800 user terminal received signal quality or network are after preload satisfies measuring condition, send Measuring Time parameter information and adjacent cell list to user terminal, be used to indicate described user terminal to determine the time of measuring according to the Measuring Time parameter information, and when the Measuring Time of determining arrives, measure according to adjacent cell list, and, be used to indicate the base station to determine the time that described user terminal is measured according to the Measuring Time parameter information to base station transmission Measuring Time parameter information.
As shown in Figure 9, the 4th kind of method of measuring of the embodiment of the invention comprises the following steps:
In the step 901, if the user terminal received signal quality is by the signal strength signal intensity sign of user terminal;
When RNC is lower than the 3rd setting threshold value in the signal strength signal intensity of user terminal, determine that the user terminal received signal quality satisfies measuring condition;
If network characterizes when preload passes through the current capacity of network;
RNC is higher than the 4th when setting threshold value in network capacity, determines that network works as preload and satisfy measuring condition;
If network characterizes when preload passes through the current throughput of network;
RNC is higher than the 5th when setting door value system at network throughput, determines that network works as preload and satisfy measuring condition.
Wherein, RNC can determine the signal strength signal intensity of user terminal according to the following step:
The value of the up path loss that RNC will measure is as the value of descending path loss;
RNC sends out the value that plant capacity deducts descending path loss with the base station maximum, and the difference that obtains is as the value of the received signal intensity of user terminal.
The 3rd sets threshold value, the 4th setting threshold value and the 5th setting threshold value can set as required.
From the foregoing description as can be seen: embodiment of the invention user terminal according to the Measuring Time parameter information of receiving from RNC, is determined the time of measuring after definite received signal quality satisfies measuring condition; When user terminal arrives in the Measuring Time of determining, measure according to the adjacent cell list of receiving from RNC.
Because user terminal just begins to measure, thereby reduce the number of times of useless measurement after satisfying measuring condition, saved resource, improved resource utilization; Further, owing to reduced the measurement number of times, thus reduce terminal power consumption, prolong the stand-by time of terminal.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (28)
1. a method of measuring is characterized in that, this method comprises:
User terminal according to the Measuring Time parameter information of receiving from radio network controller (RNC), is determined the time of measuring after definite received signal quality satisfies measuring condition;
When described user terminal arrives in the Measuring Time of determining, measure according to the adjacent cell list of receiving from RNC.
2. the method for claim 1 is characterized in that, described received signal quality characterizes by the signal strength signal intensity of sub-district, user terminal place;
Described measuring condition comprises:
The signal strength signal intensity of sub-district, user terminal place is lower than first and sets threshold value, and the duration is greater than first threshold;
Described received signal quality characterizes by the path loss of user terminal;
Described measuring condition comprises:
The path loss of user terminal is higher than second and sets threshold value, and the duration is greater than setting second threshold value.
3. the method for claim 1 is characterized in that, described user terminal also comprised before the time of determining to measure after definite received signal quality satisfies measuring condition:
Described user terminal sends to RNC and obtains message;
Described RNC receive described obtain message after, to described user terminal return measurement time parameter information and adjacent cell list.
4. method as claimed in claim 3 is characterized in that, described RNC receive described obtain message after, described user terminal is determined also to comprise before time of measuring:
Described RNC sends the Measuring Time parameter information to the base station;
The time that described user terminal is measured is determined according to the described Measuring Time parameter information of receiving in described base station.
5. as claim 3 or 4 described methods, it is characterized in that the described message of obtaining is dedicated radio resources control RRC signaling or special descending media access control protocol data unit MAC PDU format messages.
6. the method for claim 1 is characterized in that, described user terminal is determined also to comprise before satisfying measuring condition:
RNC sends Measuring Time parameter information and adjacent cell list to described user terminal.
7. method as claimed in claim 6 is characterized in that, described user terminal is determined also to comprise before satisfying measuring condition:
Described RNC sends the Measuring Time parameter information to the base station;
Described user terminal also comprised before the time of determining to measure after satisfying measuring condition:
Described user terminal sends announcement information to described base station, is used for the described user terminal of informing base station and begins to measure;
This method also comprises:
The time that described user terminal is measured according to the described Measuring Time parameter information of receiving, is determined in described base station after receiving described announcement information.
8. method as claimed in claim 7 is characterized in that, described user terminal also comprised before the time of determining to measure after satisfying measuring condition:
Described user terminal is determined that the number of times of the announcement information that sends to described base station reaches and is set quantity or receive response message from the base station.
9. as claim 6 or 7 described methods, it is characterized in that, the cache occupation amount HLBS of total buffer memory TEBS highest priority logical channel of described announcement information enhanced dedicated, wherein TEBS is set to 0, and HLBS is set to greater than 0.
10. as claim 4 or 7 described methods, it is characterized in that described RNC places base station applies agreement NBAP signaling or Frame Protocol FP frame with the Measuring Time parameter information, sends to the base station.
11. a system of measuring comprises the base station, it is characterized in that, this system also comprises:
Radio network controller (RNC) is used to send Measuring Time parameter and adjacent cell list;
User terminal is used for after definite received signal quality satisfies measuring condition, according to the Measuring Time parameter information of receiving, determines time of measuring, and when the Measuring Time of determining arrives, measures according to the adjacent cell list of receiving.
12. system as claimed in claim 11 is characterized in that, described user terminal also is used for:
After definite received signal quality satisfies measuring condition, obtained message to the RNC transmission before the time of determining to measure;
Described RNC is used for:
Receive described obtain message after, to described user terminal return measurement time parameter information and adjacent cell list.
13. system as claimed in claim 12 is characterized in that, described RNC also is used for:
Receive described obtain message after, before the time that described user terminal is determined to measure, send the Measuring Time parameter information to described base station;
Described base station is used for:
According to the described Measuring Time parameter information of receiving, determine the time that described user terminal is measured.
14. system as claimed in claim 10 is characterized in that, described RNC also is used for:
Before described user terminal is determined to satisfy measuring condition, send Measuring Time parameter information and adjacent cell list to described user terminal.
15. system as claimed in claim 14 is characterized in that, described RNC also is used for:
Before described user terminal is determined to satisfy measuring condition, send the Measuring Time parameter information to described base station;
Described user terminal also is used for:
After satisfying measuring condition, before the time of determining to measure, send announcement information to described base station, be used to notify the described user terminal in described base station to begin to measure;
Described base station is used for:
After receiving described announcement information,, determine the time that described user terminal is measured according to the described Measuring Time parameter information of receiving.
16. system as claimed in claim 15 is characterized in that, described user terminal also is used for:
After satisfying measuring condition, before the time of determining to measure, the number of times of determining the announcement information that sends to described base station reaches to be set quantity or receives response message from the base station.
17., it is characterized in that described RNC also is used for as claim 13 or 15 described systems:
The Measuring Time parameter information is placed base station applies agreement NBAP signaling or Frame Protocol FP frame, send to the base station.
18. a user terminal is characterized in that, this user terminal comprises:
Receiver module is used to receive Measuring Time parameter information and adjacent cell list from radio network controller (RNC);
The time determination module is used for according to the Measuring Time parameter information of receiving, determining the time of measuring after definite received signal quality satisfies measuring condition;
Measurement module is used for measuring according to the adjacent cell list of receiving when the Measuring Time of determining arrives.
19. user terminal as claimed in claim 18 is characterized in that, described time determination module also is used for:
After definite received signal quality satisfies measuring condition, before the time of determining to measure, obtain message to the RNC transmission;
Described receiver module also is used for:
After definite received signal quality satisfies measuring condition, before the time of determining to measure, receive Measuring Time parameter information and adjacent cell list from RNC.
20. user terminal as claimed in claim 18 is characterized in that, described receiver module also is used for:
Before definite received signal quality satisfies measuring condition, receive Measuring Time parameter information and adjacent cell list from described RNC;
Described time determination module also is used for:
After definite received signal quality satisfies measuring condition, send announcement information to the base station, be used for the described user terminal of informing base station and begin to measure.
21. user terminal as claimed in claim 20 is characterized in that, described time determination module also is used for:
After satisfying measuring condition, before the time of determining to measure, the number of times of determining the announcement information that sends to described base station reaches to be set quantity or receives response message from the base station.
22. a radio network controller (RNC) is characterized in that, this RNC comprises:
First processing module is used to receive the message of obtaining from user terminal, and the wherein said message of obtaining is that user terminal sends after definite received signal quality satisfies measuring condition;
Information sending module, be used for receive described obtain message after, send Measuring Time parameter information and adjacent cell list to user terminal, and send the Measuring Time parameter to the base station.
23. a base station is characterized in that, this base station comprises:
Second processing module is used to receive the Measuring Time parameter from radio network controller (RNC);
Determination module, be used for behind the notification message of receiving from user terminal, determine the time that described user terminal is measured according to the described Measuring Time parameter that described second processing module is received, wherein said notification message is that user terminal sends after definite received signal quality satisfies measuring condition.
24. a method of measuring is characterized in that, this method comprises:
Radio network controller (RNC) at definite user terminal received signal quality or network after preload satisfies measuring condition, send Measuring Time parameter information and adjacent cell list to described user terminal, be used to indicate described user terminal to determine the time of measuring according to described Measuring Time parameter information, and when the Measuring Time of determining arrives, measure according to adjacent cell list, and, be used to indicate described base station to determine the time that described user terminal is measured according to described Measuring Time parameter information to base station transmission Measuring Time parameter information.
25. method as claimed in claim 24 is characterized in that, if described user terminal received signal quality is by the signal strength signal intensity sign of user terminal;
Described measuring condition comprises:
The signal strength signal intensity of user terminal is lower than the 3rd and sets threshold value;
If described network characterizes when preload passes through the current capacity of network;
Described measuring condition comprises:
Network capacity is higher than the 4th and sets threshold value;
If described network characterizes when preload passes through the current throughput of network;
Described measuring condition comprises:
Network throughput is higher than the 5th and sets threshold value.
26., it is characterized in that described RNC places base station applies agreement NBAP signaling or Frame Protocol FP frame with the Measuring Time parameter information, sends to the base station as claim 24 or 25 described methods.
27. a radio network controller (RNC) is characterized in that, this RNC comprises:
The condition determination module is used to judge whether user terminal received signal quality or network satisfy measuring condition when preload;
Sending module, be used for determining that at described condition determination module user terminal received signal quality or network are after preload satisfies measuring condition, send Measuring Time parameter information and adjacent cell list to described user terminal, be used to indicate described user terminal to determine the time of measuring according to described Measuring Time parameter information, and when the Measuring Time of determining arrives, measure according to adjacent cell list, and, be used to indicate described base station to determine the time that described user terminal is measured according to described Measuring Time parameter information to base station transmission Measuring Time parameter information.
28. system as claimed in claim 27 is characterized in that, described sending module also is used for:
The Measuring Time parameter information is placed base station applies agreement NBAP signaling or Frame Protocol FP frame, send to the base station.
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