CN100596221C - Measurement report method in mobile communication system - Google Patents
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Abstract
本发明公开了一种移动通信系统中的测量报告方法，用于具有多个公共导频信号或参考信道的宽带无线系统，所述方法包括：终端分别对本小区和/或相邻小区内的各下行导频或参考信道的测量量进行测量；当部分或全部下行导频或参考信道的测量结果满足预定条件时，终端向系统报告测量结果。利用本发明，可以在带宽可变的移动通信系统中，有效地实现对频带上的多个导频信号或参考信道进行测量及测量报告的处理。
The invention discloses a measurement report method in a mobile communication system, which is used in a broadband wireless system with multiple common pilot signals or reference channels. The measurement quantity of the downlink pilot or reference channel is measured; when part or all of the measurement results of the downlink pilot or reference channel meet the predetermined conditions, the terminal reports the measurement result to the system. The invention can effectively realize the measurement and measurement report processing of multiple pilot signals or reference channels on the frequency band in the mobile communication system with variable bandwidth.
Description
Technical field
The present invention relates to the mobile communication technology field, be specifically related to the measurement report method in a kind of mobile communication system.
Background technology
In mobile communication system, terminal need regularly be measured the common pilot signal in the sub-district, place or the reference channel of fixed position, obtaining the relevant information of sub-district, and measurement result is reported.In 3G (third generation) system, the reference channel that has only a common pilot signal or fixed position in each sub-district, the reference channel that terminal only need be measured this pilot signal or fixed position just can obtain the relevant information of whole sub-district, the measuring amount relevant with pilot tone mainly comprises: the down receiving signal code channel power (or incoming level) behind the signal to noise ratio of descending pilot frequency or mass measurement, downlink path loss, the spread spectrum etc., and according to network configuration, periodic report measurement result or event-triggered reporting measurement result.3GPP TS25.331 agreement has been stipulated the reporting events criterion, and the measurement report criterion of common frequency measurement comprises that pilot tone that the measurement result of a public guide frequency entered or left reporting range, non-activation sub-district is better than that pilot tone, the best cell that pilot tone, other pilot tone that belongs to the inactive set sub-district of activating the sub-district be better than sub-district in the Active Set changes, pilot tone is better than or be inferior to an absolute value etc.; The measurement report criterion of different-frequency measure comprises that mainly best cell changes, untapped frequency quality is higher than certain threshold and using frequency quality is lower than the frequency quality that certain threshold, untapped frequency quality are higher than certain threshold, the frequency quality used is lower than certain threshold, untapped frequency quality is lower than certain threshold, using and is higher than certain threshold etc.These measurement report criterions or method all are to carry out according to the measurement result of the reference channel of a public guide frequency or a fixed position.
In the mobile communication system of adaptive-bandwidth, need to support me to plant the bandwidth setting, be provided with as 1.25MHz, 1.6MHz, 2.5MHz, 5MHz, 10MHz, 20MHz equiband.In the case, the setting of pilot signal is in whole frequency band, thereby terminal need be measured part or all of pilot signal in the whole frequency band scope, obtain the descending characteristic of whole frequency band, be that terminal need be carried out corresponding measurement to a plurality of pilot signals on the frequency band, as parameters such as path loss, incoming levels.Have only a common pilot signal in each bandwidth range in the existing 3G mobile communication system, terminal is only measured this public guide frequency and is carried out measurement report according to corresponding criterion.When communication system is provided with a plurality of pilot signals or in a plurality of positions reference channel is set in bandwidth range, because the difference of frequency characteristic, the reference channel of measuring single pilot tone or single position can not meet the demands, need terminal in the whole frequency band scope, the reference channel of part or all of pilot signal or a plurality of positions to be measured, obtain the descending characteristic of whole frequency band, be that terminal need be measured accordingly to a plurality of pilot signals or reference channel on the frequency band, and existing measurement report criterion can't satisfy the demand that a plurality of pilot signal measurement results in the bandwidth are reported.
Summary of the invention
The purpose of this invention is to provide the measurement report method in a kind of mobile communication system, can't satisfy the shortcoming that a plurality of pilot signal measurement results in the bandwidth is reported demand to overcome existing measurement report criterion, in broadband wireless system, realize the processing that a plurality of pilot signals on the frequency band or reference channel are measured.
For this reason, the invention provides following technical scheme:
Measurement report method in a kind of mobile communication system is used to have the broadband wireless system of a plurality of common pilot signals or reference channel, said method comprising the steps of:
A, terminal are measured each descending pilot frequency in this sub-district and/or the neighbor cell or the measuring amount of reference channel respectively;
B, when the measurement result of part or all of descending pilot frequency or reference channel satisfies predetermined condition, terminal is to the System Reports measurement result.
The measuring amount of described descending pilot frequency or reference channel is specially: signal to noise ratio or incoming level or signal strength signal intensity or downlink path loss or the measurement relevant with quality.
Alternatively, described step B comprises:
The height ratio of setting measurement amount is than thresholding;
When the measurement result of the measuring amount that has the descending pilot frequency of predetermined number or reference channel in the section at the fixed time at least all more than or equal to the height ratio of described measuring amount during than thresholding, terminal is to the System Reports measurement result.
The height ratio of the measuring amount of described setting is a constant than thresholding, perhaps is the measurement result of this terminal to untapped arbitrary frequency, perhaps is the measurement result of this terminal to arbitrary frequency of using.
Alternatively, described step B comprises:
The minimum comparison threshold of setting measurement amount;
When the measurement result of the measuring amount that has the descending pilot frequency of predetermined number or reference channel in the section at the fixed time at least during all less than the minimum comparison threshold of described measuring amount, terminal is to the System Reports measurement result.
The minimum comparison threshold of the measuring amount of described setting is a constant, perhaps is the measurement result of this terminal to untapped arbitrary frequency, perhaps is the measurement result of this terminal to arbitrary frequency of using.
The descending pilot frequency or the reference channel of described predetermined number are specially:
Be less than or equal to all measured descending pilot frequency or reference channels.
The measurement result of the measuring amount of described all measured descending pilot frequencies or reference channel is specially: described terminal is to the measurement result of the measuring amount of untapped frequency and/or the described terminal measurement result to the measuring amount of the frequency used.
Alternatively, described step B comprises:
The high threshold of the measuring amount sum in the initialization system bandwidth range;
When the summation of the measuring amount of all measured descending pilot frequencies or reference channel in the section at the fixed time during more than or equal to the high threshold of the measuring amount sum in the system bandwidth scope of described setting, terminal is to the System Reports measurement result.
Alternatively, described step B comprises:
The minimum threshold of the measuring amount sum in the initialization system bandwidth range;
When the summation of the measuring amount of all measured descending pilot frequencies or reference channel in the section at the fixed time during less than the minimum threshold of the measuring amount sum in the system bandwidth scope of described setting, terminal is to the System Reports measurement result.
Terminal is to system cycle report measurement result or event-triggered reporting measurement result.
The promoter who measures is described intrasystem any logic entity or physical entity.
By above technical scheme provided by the invention as can be seen, the present invention is in the mobile communication system of adaptive-bandwidth, terminal is measured part or all of pilot signal or reference channel in the whole frequency band scope, obtain the descending characteristic of whole frequency band, and after satisfying predetermined condition, the measurement result of a plurality of pilot signals or reference channel reports, make system can in time understand terminal cell environment of living in and to the reception condition of signal, system and the follow-up action of terminal are carried out accurate instruction, such as, descending power control, RRM, sub-district switching etc.Utilize the present invention, realized the processing that a plurality of pilot signals on the frequency band or reference channel are measured effectively.
Description of drawings
Fig. 1 is a downlink reference signal structural representation in the variable bandwidth mobile communication system;
Fig. 2 is the realization flow figure of the inventive method.
Embodiment
Core of the present invention is in the broadband wireless system with a plurality of common pilot signals or reference channel, respectively each descending pilot frequency in this sub-district and/or the neighbor cell or the measuring amount of reference channel are measured by terminal, and when partly or entirely the measurement result of descending pilot frequency or reference channel satisfies predetermined condition, to the System Reports measurement result, thus the realization of the every function of assurance system.
The present technique field personnel know, for all multi-functional realizations of assurance system, the physical layer that all needs the physical layer of terminal to be correlated with is measured.Mode of operation according to terminal can be divided into measurement and connection mode measurement down under the idle pulley; Can be divided into measurement in the frequency, inter-frequency measurements, system's measurements, measuring business volume, quality and internal measurement etc. according to the character of measuring.Under idle pulley, measure and comprise that mainly cell selecting and sub-district gravity treatment measure, and under the connection mode measurement mainly comprise switch prepare to measure, DCA (dynamic channel allocation) measures and the time measures etc. in advance.
When the once specific measurement of initialization, network sends one " measurement control messages " and gives terminal, and this message comprises information such as the quantity, standard (periodically/Event triggered) of the target of the ID (sign) of a measurement and type thereof, measurement and quantity, report and pattern (affirmation/non-affirmation).When the standard of report satisfied, terminal was replied " measurement report message " to network, comprised the ID and the measurement result of measurement in this message.Such as, cell selecting measurement and sub-district gravity treatment measurement and the content of reporting to high level comprise: the measurement of SIR (signal to noise ratio) measurement, path loss, interference power, the received power measurement of BCH (broadcast channel) etc.
In the mobile communication system of adaptive-bandwidth, the setting of pilot signal or reference channel is in whole frequency band, in order to obtain the descending characteristic of whole frequency band, terminal need be measured part or all of pilot signal or reference channel in the whole frequency band scope, and promptly terminal need be carried out corresponding measurement to a plurality of pilot signals on the frequency band or reference channel.For this reason, the present invention also provides corresponding measurement report method, with the demand of in the mobile communication system that satisfies adaptive-bandwidth a plurality of pilot tones being measured.
Pilot tone setting in the reference 3G shown in Figure 1 system:
This Figure illustrates basic downlink reference signal structure, comprise known reference signal.Reference signal is arranged in first or second OFDM (OFDM) symbol of a subframe.Extra reference signal can be placed in this subframe flexibly.
The every frame of position possibility of reference signal is all in variation or also different between different sub-districts.
Downlink reference signal can be used for following purpose:
(1) down channel quality is measured;
(2) being used for the detection of terminal and the down channel of coherent demodulation estimates;
(3) Cell searching and initially obtaining etc.
In the 3G system of evolution, frequency pilot sign or reference channel are launched according to certain layout in whole frequency bandwidth, system is in order to carry out frequency domain dispatching or to carry out handover decisions, need terminal to measure in the sub-district or the pilot tone/reference channel intensity and the relevant information of neighbor cell, terminal is being measured the measurement result that need consider when handling on a plurality of pilot tones or the reference channel, and carries out the report of measurement result according to corresponding criterion.
Certainly, the invention is not restricted to the 3G evolution system, can be applied to any BWA.
In order to make those skilled in the art person understand the present invention program better, the present invention is described in further detail below in conjunction with drawings and embodiments.
With reference to Fig. 2, Fig. 2 is the realization flow figure of the inventive method, may further comprise the steps:
Step 201: terminal is measured each descending pilot frequency in this sub-district and/or the neighbor cell or the measuring amount of reference channel respectively.
The front is mentioned, in order to realize the various difference in functionalitys of system, not only need terminal that some index of descending pilot frequency in this sub-district or reference channel is measured, these indexs that is to say top said measuring amount, such as, the signal to noise ratio of descending pilot frequency or mass measurement incoming level, signal strength signal intensity, downlink path loss, measuring amount relevant etc. with quality.And also need sometimes some index of descending pilot frequency in the neighbor cell or reference channel is measured.The promoter of these measurements can be intrasystem any logic entity or physical entity.
Step 202: when the measurement result of part or all of descending pilot frequency or reference channel satisfied predetermined condition, terminal was to the System Reports measurement result.
Being provided with of predetermined condition can have multiple mode, describes in detail respectively below.
(1) the height ratio of setting measurement amount is than thresholding, when the measurement result of the measuring amount of descending pilot frequency that has predetermined number in the section at the fixed time at least or reference channel all more than or equal to the height ratio of described measuring amount during than thresholding, terminal is to the System Reports measurement result.
The height ratio of the measuring amount of setting can be a constant than thresholding, also can be the measurement result of this terminal to untapped arbitrary frequency, can also be this terminal to the measurement result of arbitrary frequency of using.
Descending pilot frequency or the reference channel number measured can be measured descending pilot frequency of part or reference channel, also can be whole measured descending pilot frequency or reference channels:
For this reason, can set following criterion:
Criterion 1: such as: in the Δ T time, have m or m with the measurement result of the measuring amount of last pilot tone or reference channel all more than or equal to the thresholding (Th that sets in advance
A+ H
A) time, and m＞=k
A, then terminal is to network reporting measurement result.
Wherein, Th
AComparison threshold for the measuring amount measurement result;
H
ABe hysteresis, undertaken pre-configured by system;
k
ABe pilot tone or reference channel quantity comparison threshold, k
A=p
AN, N are measured pilot tone or reference channel quantity, p
ABe constant factor, 0＜=p
A＜=1, can adjust according to network operation situation.
Criterion 2: when the measurement result of all measured pilot tones or reference channel all is higher than thresholding (Th in the Δ T time
C+ H
C) time, terminal is to network reporting measurement result.
Wherein, Th
CComparison threshold for the measuring amount measurement result.
H
CBe hysteresis, undertaken pre-configured by system.
(2) the minimum comparison threshold of setting measurement amount, when the measurement result of the measuring amount that has the descending pilot frequency of predetermined number or reference channel in the section at the fixed time at least during all less than the minimum comparison threshold of described measuring amount, terminal is to the System Reports measurement result.
The minimum comparison threshold of setting of measuring amount can be a constant, also can be the measurement result of this terminal to untapped arbitrary frequency, can also be this terminal to the measurement result of arbitrary frequency of using.
Descending pilot frequency or the reference channel number measured can be measured descending pilot frequency of part or reference channel, also can be whole measured descending pilot frequency or reference channels:
For this reason, can set following criterion:
Criterion 3: in the Δ T time, have m or m with the measurement result of the measuring amount of last pilot tone or reference channel all less than the thresholding (Th that sets in advance
B-H
B) time, and m＞=k
B, then terminal is to network reporting measurement result.
Wherein, Th
BComparison threshold for the measuring amount measurement result;
H
BBe hysteresis, undertaken pre-configured by system;
k
BBe pilot tone or reference channel quantity thresholding, k
B=p
BN, N are measured pilot tone or reference channel quantity, p
BBe constant factor, 0＜=p
B＜=1, can adjust according to network operation situation.
Criterion 4: when the measurement result of all measured pilot tones or reference channel all is lower than thresholding (Th in the Δ T time
D-H
D) time, terminal is to network reporting measurement result.
Wherein, Th
DComparison threshold for the measuring amount measurement result.
H
DBe hysteresis, undertaken pre-configured by system.
(3) the high threshold of the measuring amount sum in the initialization system bandwidth range, when the summation of the measuring amount of all measured descending pilot frequencies or reference channel in the section at the fixed time during more than or equal to the high threshold of the measuring amount sum in the system bandwidth scope of described setting, terminal is to the System Reports measurement result.
Such as, for the measurement of the interference level of system power and adjacent sub-district, can set following criterion:
Criterion 5: consider the measurement result of all measured pilot tones or reference channel, when measurement result satisfies M-H in the Δ T time
E＞=p
ET, terminal is to network reporting measurement result.
Wherein, M is all measured pilot tones of terminal or the power summation of reference channel or the summation of other measuring amount;
H
EBe hysteresis, undertaken pre-configured by system;
p
EBe constant factor, 0＜=p
E＜=1, can adjust according to network operation situation;
T is interior gross power or other the total reference quantity of bandwidth range of network configuration.
(4) minimum threshold of the measuring amount sum in the initialization system bandwidth range, when the summation of the measuring amount of all measured descending pilot frequencies or reference channel in the section at the fixed time during less than the minimum threshold of the measuring amount sum in the system bandwidth scope of described setting, terminal is to the System Reports measurement result.
Such as, for the measurement of the interference level of system power and adjacent sub-district, can set following criterion:
Criterion 6: consider the measurement result of all measured pilot tones or reference channel, when measurement result satisfies M+H in the Δ T time
F＜p
FT, terminal is to network reporting measurement result.
Wherein, M is all measured pilot tones of terminal or the power summation of reference channel or the summation of other measuring amount;
p
FBe constant factor, 0＜=p
F＜=1, can adjust according to network operation situation;
T is interior gross power or other the total reference quantity of bandwidth range of network configuration.
According to system's practical application needs, can select above-mentioned different report criterion that portable terminal is reported a plurality of pilot signals in the bandwidth or reference channel measurement result, make it to satisfy the measurement needs of system with a plurality of pilot signals or reference channel.Terminal can be to system cycle report measurement result or according to the event-triggered reporting measurement result.
Though described the present invention by embodiment, those of ordinary skills know, the present invention has many distortion and variation and do not break away from spirit of the present invention, wish that appended claim comprises these distortion and variation and do not break away from spirit of the present invention.
Claims (15)
1, the measurement report method in a kind of mobile communication system is used to have the broadband wireless system of a plurality of common pilot signals or reference channel, it is characterized in that, said method comprising the steps of:
A, terminal are measured each descending pilot frequency in this sub-district and/or the neighbor cell or the measuring amount of reference channel respectively;
B, when the measurement result of the measuring amount that has the descending pilot frequency of predetermined number or reference channel in the section at the fixed time at least all more than or equal to the height ratio of the measuring amount of setting during than thresholding, terminal is to the System Reports measurement result, the height ratio of described measuring amount is the measurement result of described terminal to untapped arbitrary frequency than thresholding, perhaps is the measurement result of described terminal to arbitrary frequency of using.
2, method according to claim 1 is characterized in that, the measuring amount of described descending pilot frequency or reference channel is specially: signal to noise ratio or incoming level or signal strength signal intensity or downlink path loss or the measurement relevant with quality.
3, method according to claim 1 is characterized in that, the descending pilot frequency or the reference channel of described predetermined number are specially:
Be less than or equal to all measured descending pilot frequency or reference channels.
4, method according to claim 3, it is characterized in that the measurement result of the measuring amount of described all measured descending pilot frequencies or reference channel is specially: described terminal is to the measurement result of the measuring amount of untapped frequency and/or the described terminal measurement result to the measuring amount of the frequency used.
5, method according to claim 1 is characterized in that,
Terminal is to system cycle report measurement result or event-triggered reporting measurement result.
6, the measurement report method in a kind of mobile communication system is used to have the broadband wireless system of a plurality of common pilot signals or reference channel, it is characterized in that, said method comprising the steps of:
Terminal is measured each descending pilot frequency in this sub-district and/or the neighbor cell or the measuring amount of reference channel respectively;
When the measurement result of the measuring amount that has the descending pilot frequency of predetermined number or reference channel in the section at the fixed time at least during all less than the minimum comparison threshold of measuring amount set, terminal is to the System Reports measurement result, the minimum comparison threshold of described measuring amount is the measurement result of described terminal to untapped arbitrary frequency, perhaps is the measurement result of described terminal to arbitrary frequency of using.
7, method according to claim 6 is characterized in that, the measuring amount of described descending pilot frequency or reference channel is specially: signal to noise ratio or incoming level or signal strength signal intensity or downlink path loss or the measurement relevant with quality.
8, method according to claim 6 is characterized in that, the descending pilot frequency or the reference channel of described predetermined number are specially:
Be less than or equal to all measured descending pilot frequency or reference channels.
9, method according to claim 8, it is characterized in that the measurement result of the measuring amount of described all measured descending pilot frequencies or reference channel is specially: described terminal is to the measurement result of the measuring amount of untapped frequency and/or the described terminal measurement result to the measuring amount of the frequency used.
10, method according to claim 6 is characterized in that,
Terminal is to system cycle report measurement result or event-triggered reporting measurement result.
11, the measurement report method in a kind of mobile communication system is used to have the broadband wireless system of a plurality of common pilot signals or reference channel, it is characterized in that, said method comprising the steps of:
Terminal is measured each descending pilot frequency in this sub-district and/or the neighbor cell or the measuring amount of reference channel respectively;
When the summation of the measuring amount of all measured descending pilot frequencies or reference channel in the section at the fixed time during more than or equal to the high threshold of the measuring amount sum in the system bandwidth scope of setting, terminal is to the System Reports measurement result.
12, method according to claim 11 is characterized in that,
Terminal is to system cycle report measurement result or event-triggered reporting measurement result.
13, the measurement report method in a kind of mobile communication system is used to have the broadband wireless system of a plurality of common pilot signals or reference channel, it is characterized in that, said method comprising the steps of:
Terminal is measured each descending pilot frequency in this sub-district and/or the neighbor cell or the measuring amount of reference channel respectively;
When the summation of the measuring amount of all measured descending pilot frequencies or reference channel in the section at the fixed time during less than the minimum threshold of the measuring amount sum in the system bandwidth scope of setting, terminal is to the System Reports measurement result.
14, method according to claim 13 is characterized in that,
Terminal is to system cycle report measurement result or event-triggered reporting measurement result.
15, method according to claim 13 is characterized in that,
The promoter who measures is described intrasystem any logic entity or physical entity.
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| WO2009089650A1 (en) * | 2008-01-15 | 2009-07-23 | Zte Corporation | A method and apparatus for reporting a measurement report |
| CN101610536B (en) * | 2008-06-20 | 2012-04-18 | 中兴通讯股份有限公司 | Method and terminal for controlling reporting of multiple measurement results in measurement |
| CN101742550B (en) | 2008-11-06 | 2012-08-22 | 华为技术有限公司 | Method, related equipment and system for determining users affecting adjacent cells |
| CN102821418B (en) * | 2008-11-06 | 2014-06-25 | 华为技术有限公司 | Method, relevant device and for determining user influencing neighbor cell |
| CN101867966A (en) * | 2009-04-16 | 2010-10-20 | 中兴通讯股份有限公司 | Method for reporting measurement report of closed user group cell |
| CN101909313B (en) * | 2009-06-08 | 2016-01-20 | 北京三星通信技术研究有限公司 | A kind of method of automatically optimizing mobile communication system and device |
| CN101944947B (en) * | 2009-07-01 | 2014-09-17 | 财团法人资讯工业策进会 | Base station, relay station, computing apparatus, and receiving methods thereof |
| CN109890054B (en) * | 2012-01-21 | 2023-12-15 | 华为技术有限公司 | Method and apparatus for measurement enhancement in a wireless communication system |
| WO2013140202A1 (en) * | 2012-03-19 | 2013-09-26 | Nokia Corporation | Method and apparatus providing data offloading and carrier aggregation associated measurement reporting |
| WO2014071620A1 (en) * | 2012-11-09 | 2014-05-15 | 华为技术有限公司 | Method for uplink softer handover, ue and base station |
| CN104113844B (en) * | 2014-07-24 | 2018-06-26 | 电信科学技术研究院 | A kind of frequency spectrum distributing method and information uploading method, device |
| CN110022523B (en) | 2018-01-05 | 2022-04-12 | 华为技术有限公司 | Method, device and system for terminal equipment positioning |
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Address after: 100083 No. 40, Haidian District, Beijing, Xueyuan Road Patentee after: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY Address before: 100083 No. 40, Haidian District, Beijing, Xueyuan Road Patentee before: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY |
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Effective date of registration: 20210617 Address after: 100085 1st floor, building 1, yard 5, Shangdi East Road, Haidian District, Beijing Patentee after: DATANG MOBILE COMMUNICATIONS EQUIPMENT Co.,Ltd. Address before: 100083 No. 40, Haidian District, Beijing, Xueyuan Road Patentee before: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY |
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