CN104602321B - Communication terminal and its cell off-line measurement device and cell measurement control method - Google Patents
Communication terminal and its cell off-line measurement device and cell measurement control method Download PDFInfo
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- CN104602321B CN104602321B CN201310533148.7A CN201310533148A CN104602321B CN 104602321 B CN104602321 B CN 104602321B CN 201310533148 A CN201310533148 A CN 201310533148A CN 104602321 B CN104602321 B CN 104602321B
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- 238000005259 measurement Methods 0.000 title claims abstract description 161
- 238000004891 communication Methods 0.000 title claims abstract description 102
- 238000000034 method Methods 0.000 title claims abstract description 70
- 230000008569 process Effects 0.000 claims abstract description 49
- 230000001360 synchronised effect Effects 0.000 claims abstract description 47
- 210000004027 cell Anatomy 0.000 description 190
- 238000005516 engineering process Methods 0.000 description 5
- 238000010295 mobile communication Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 206010068052 Mosaicism Diseases 0.000 description 2
- 230000006399 behavior Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 210000003765 sex chromosome Anatomy 0.000 description 2
- 230000001427 coherent effect Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000035899 viability Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/16—Discovering, processing access restriction or access information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
- H04W52/0248—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal dependent on the time of the day, e.g. according to expected transmission activity
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
A kind of communication terminal and its cell off-line measurement device and cell measurement control method, the cell off-line measurement device of the communication terminal include：Data grabber unit suitable for the real-time measuring data section of the radio-frequency module crawl predetermined time length of the control unlatching communication terminal when starting the measurement task to cell to be measured, and closes the radio-frequency module after the real-time measuring data section is grabbed；Storage unit, suitable for storing the real-time measuring data section that the data grabber unit picks arrive；Comparing unit is played back, suitable for playing back the real-time measuring data section of the storage unit storage, by way of recycle ratio pair, to realize search and measurement to the cell to be measured；Time slot synchronization unit, suitable for the non-synchronized cells in cell to be measured are performed with the process of slot synchronization, and storage time slots synchronized result.Technical solution of the present invention can effectively reduce the power consumption of communication terminal in the case where not influencing cell measurement ability.
Description
Technical field
The present invention relates to field of communication technology, more particularly to a kind of communication terminal and its cell off-line measurement device and cell
Measure control method.
Background technology
At present, with 3G (Third Generation) Moblie（3G）The gradual popularization of technology, based on Time Division-Synchronous Code Division Multiple Access（TD-
SCDMA, Time Division-Synchronous Code Division Multiple Access）Or wideband code division is more
Location（WCDMA, Wideband Code Division Multiple Access）The 3G business of technology is carried out extensively national.
Either in TD-SCDMA still in WCDMA mode（Standard）Mobile communication system in, communication terminal（Such as hand
Machine）It needs to measure adjacent cell, and measurement result is stored in neighboring cell list, so as to fulfill cell selection/reselection, path
The functions such as loss calculation.When communication terminal needs to carry out cell measurement, first have to complete the search to cell, different movements
Communication standard employs different terminal cell search processes, by taking the mobile communication system of WCDMA communication patterns as an example, WCDMA
Physical channel is distinguished by the beginning and ending time of specific carrier frequency, scrambler, channel code, signal, and communication terminal will be correctly decoded
Down channel just must be known by the information of this several respect.Communication terminal is locking the carrier wave of cell to be measured, is completing carrier synchronization
After coherent demodulation, primary synchronization channel is used（P-SCH, Primary Synchronization Channel）It is same to carry out time slot
Step, uses secondary synchronization channel（S-SCH, Secondary Synchronization Channel）Complete frame synchronization and scrambler group
Identification, uses Primary Common Pilot Channel（P-CPICH, Primary Common Pilot Channel）Main scrambler identification is carried out,
Common control channel is decoded by main scrambler again（P-CCPCH, Primary Common Control Physical Channel）,
The broadcast message of system and cell can be got.Therefore, in short, cell search process generally comprises following 3
Step：Slot synchronization, frame synchronization and disturb code group identification, main scrambler identification.
How this controls nearby region measurement to the various situations of existing communication protocol requirements in stand-by mode, including same frequency
Measurement, different-frequency measure and isosystem measurement etc. since the cell for needing to safeguard is more, cause measurement behavior inevitably to increase,
It thus needs to consume more power consumptions, but in order to provide good MPS process, mobile communication terminal also have to safeguard one
The adjacent area of fixed number amount.
The content of the invention
The present invention solves the problems, such as it is how to ensure the power consumption of enough measurement demand reduction communication terminals.
To solve the above problems, technical solution of the present invention provides a kind of cell off-line measurement device of communication terminal, including：
Data grabber unit, suitable for capturing the real-time of predetermined time length when the radio-frequency module of the communication terminal is opened
Measurement data section；
Control unit, suitable for the radio frequency of the control unlatching communication terminal when starting the measurement task to cell to be measured
Module, and the radio-frequency module is closed in control after the data grabber unit picks to the real-time measuring data section；
Storage unit, suitable for storing the real-time measuring data section that the data grabber unit picks arrive；
Comparing unit is played back, suitable for playing back the real-time measuring data section of the storage unit storage, passes through recycle ratio
To mode, to realize search and measurement to the cell to be measured.
Optionally, the cell off-line measurement device of the communication terminal further includes：Time slot synchronization unit, suitable for to be measured
Non- synchronized cells in cell perform the process of slot synchronization, and storage time slots synchronized result.
To solve the above problems, technical solution of the present invention also provides a kind of communication for including above-mentioned cell off-line measurement device
Terminal.
To solve the above problems, technical solution of the present invention also provides a kind of cell measurement control method of communication terminal, bag
It includes：When the communication terminal for being operated in the first communication pattern is in the measurement opportunity of standby mode or connection mode or works as
When being operated in the communication terminal of other communication patterns needs to measure the cell of first communication pattern, cell measurement is obtained
Demand；According to the type of the demand of the cell measurement, cell to be measured is surveyed with above-mentioned cell off-line measurement device
Amount.
Optionally, the type of the demand of the cell measurement includes the measurement to synchronized cells, described with above-mentioned cell
Off-line measurement device cell to be measured is measured including：
After the radio-frequency module of the communication terminal is opened in described control unit control, grabbed by the data grabber unit
Take the real-time measuring data section of predetermined time length；
After the real-time measuring data section is grabbed, the described control unit control closing radio-frequency module, and by
The storage unit stores the real-time measuring data section；
If obtaining any cell information there are still synchronized cells in cell to be measured, start the blowback ratio to list
The real-time measuring data section of member playback storage and the process for performing recycle ratio pair, and comparison result is stored.
Optionally, the type of the demand of the cell measurement includes the measurement to non-synchronized cells, described with above-mentioned cell
Off-line measurement device cell to be measured is measured including：
After the radio-frequency module of the communication terminal is opened in described control unit control, by the time slot synchronization unit pair
Non- synchronized cells in cell to be measured perform the process of slot synchronization, and storage time slots synchronized result；
If there are effective slot synchronization as a result, if by the data grabber unit picks predetermined time length real-time survey
Measure data segment；
After the real-time measuring data section is grabbed, the described control unit control closing radio-frequency module, and by
The storage unit stores the real-time measuring data section；
If obtaining any cell information there are still effective cell results in cell to be measured, start the blowback ratio
The process of the real-time measuring data section and execution recycle ratio pair to unit playback storage, and comparison result is deposited
Storage.
Optionally, when the type of the demand of the cell measurement measures simultaneously including co-frequency cell measurement and alien-frequency district
When, then the quantity of the cell off-line measurement device measured to cell to be measured is two sets.
Optionally, the predetermined time length is at least the length of a time slot.
Optionally, the communication pattern that the communication terminal is supported includes at least one of WCDMA, TD-SCDMA and GSM.
Optionally, first communication pattern is WCDMA.
Compared with prior art, technical scheme at least has the following advantages：
By the cell off-line measurement device, predetermined time length is captured when the radio-frequency module of communication terminal is opened
Real-time measuring data section, and the radio-frequency module is closed after the real-time measuring data section is grabbed, further according to the reality of storage
When measurement data section perform the process of recycle ratio pair to identify the scrambler of cell, it is thus achieved that the offline survey of cell to be measured
Amount, can safeguard enough adjacent areas, ensure the viability of communication terminal, and can reduce the time measured in real time during adjacent area is safeguarded,
Reduce the power consumption of communication terminal.
For synchronized cells in cell to be measured, cell scrambling can be directly searched in a manner of off-line measurement, is omitted
The process of slot synchronization and frame synchronization；For non-synchronized cells in cell to be measured, to be measured slot synchronization mistake in real time
Cheng Hou, then cell scrambling is directly searched in a manner of off-line measurement, the process of frame synchronization is omitted.
In the case of needing to carry out common frequency measurement and different-frequency measure simultaneously, filled by enabling two sets of cell off-line measurements
It puts, can realize common frequency measurement and different-frequency measure respectively, improve measurement efficiency, communication terminal can be reduced to a greater extent
Power consumption.
Description of the drawings
Fig. 1 is the structure diagram of the cell off-line measurement device of the communication terminal of the embodiment of the present invention；
Fig. 2 is the flow diagram of the cell measurement control method of the communication terminal of the embodiment of the present invention；
Fig. 3 is for the schematic diagram of synchronized cells off-line measurement process in the embodiment of the present invention；
Fig. 4 is for the schematic diagram of non-synchronized cells off-line measurement process in the embodiment of the present invention.
Specific embodiment
It is understandable for the above objects, features and advantages of the present invention is enable to become apparent, below in conjunction with the accompanying drawings to the present invention
Specific embodiment be described in detail.
As stated in the Background Art, since communication terminal needs the cell safeguarded more, cause measurement behavior inevitable
Increase, thus need to consume more power consumptions, but in order to provide good MPS process, communication terminal also have to safeguard one
The adjacent area of fixed number amount.
The embodiment of the present invention be directed to more than inconsistency, ensureing enough measurement demand, passing through and provide one
The cell off-line measurement device of kind communication terminal measures cell to be measured, reduces the time measured in real time, also just subtracts
The power consumption of communication terminal is lacked.
As shown in Figure 1, the cell off-line measurement device of the communication terminal includes：Data grabber unit 102, suitable in institute
The real-time measuring data section of predetermined time length is captured during the radio-frequency module unlatching for stating communication terminal；Control unit 101, suitable for
The radio-frequency module of the communication terminal is opened in control when starting the measurement task to cell to be measured, and in the data grabber list
The radio-frequency module is closed in control after member 102 grabs the real-time measuring data section；Storage unit 103, suitable for described in storage
The real-time measuring data section that data grabber unit 102 grabs；Comparing unit 104 is played back, suitable for playing back the storage unit 103
The real-time measuring data section of storage, by way of recycle ratio pair, to realize search and survey to the cell to be measured
Amount.
By above-mentioned cell off-line measurement device, the measurement of synchronized cells, but to be measured in cell to be measured can be realized
It measures in cell if also there are the new cells that some had not been measured, then these new cells belong to non-synchronized cells, right
Measurement in non-synchronized cells then also needs to carry out corresponding slot synchronization process, therefore communication terminal provided in this embodiment
Cell off-line measurement device further include：Time slot synchronization unit 105, suitable for in cell to be measured non-synchronized cells perform when
The process of gap synchronization, and storage time slots synchronized result.In actual implementation, the time slot synchronization unit 105 can also judge described
Whether slot synchronization result is effective, i.e., the time slot side of non-synchronized cells to be measured whether has been searched during slot synchronization
Boundary.
Specific implementation for the cell off-line measurement device of above-mentioned communication terminal will combine the small of following communication terminal
The implementation of region measurement control method illustrates.
Cell off-line measurement device based on above-mentioned communication terminal, the embodiment of the present invention also provide a kind of the small of communication terminal
Region measurement control method, including：When the communication terminal for being operated in the first communication pattern is in standby mode or connection mode
Measurement opportunity or when the communication terminal that be operated in other communication patterns needs to measure the small of first communication pattern
Qu Shi obtains the demand of cell measurement；According to the type of the demand of the cell measurement, with above-mentioned cell off-line measurement device pair
Cell to be measured measures.
In the present embodiment, the communication pattern that the communication terminal is supported includes WCDMA, TD-SCDMA and global mobile communication
System（GSM, Global System for Mobile Communications）At least one of；Wherein, described first is logical
Letter pattern is WCDMA, other communication patterns can be TD-SCDMA or GSM.It is understood that in other implementations
In example, first communication pattern can also be TD-SCDMA, and using WCDMA, GSM as other communication patterns.
It is understood that according to different classification angles, the demand of cell measurement is there are many type, for example, from survey
Measure with the unmeasured angle arrived, be divided into synchronized cells and non-synchronized cells；From registered cell and will may note
For the cell of volume, it is divided into main plot（Serving cell）And adjacent cell.It is whether identical from the frequency point for the cell that will register
Angle can be divided into co-frequency neighbor cell and iso-frequency adjacent community；It is different from the system for the cell that will register, different system can be divided into
The measurement for adjacent cell measurement and the homologous ray adjacent cell of uniting.
It should be noted that the cell measurement control method of communication terminal provided in this embodiment can be suitable for it is following several
Kind application scenarios, i.e., be switched to according to concrete scene and cell to be measured measured with the cell off-line measurement device：
The transmission gap of compact model is utilized under WCDMA connection status（TG, Transmission Gap）Carry out cell measurement, Huo Zhe
The cell under WCDMA system or the cell measurement under WCDMA standby modes are measured in the case of working in gsm system.
Below to communication terminal provided in this embodiment by taking communication terminal is in the cell measurement under standby mode as an example
Cell measurement control method elaborates.
Refering to Fig. 2, when communication terminal enters standby mode, step S201 is first carried out, obtains cell measurement demand.
After the demand of cell measurement is got, step S202, the type of distinguishing cell measurement demand, if are performed
Synchronized cells measure, then perform step S203, perform synchronized cells off-line measurement；If non-synchronized cells measurement, then perform
Step S204 performs non-synchronized cells off-line measurement.
After step S203 or step S204, step S205 is performed, completes cell measurement, storage result.
After completing cell measurement, step S206 is performed, system enters sleep mode.
The execution of step S203 and step S204 are described further below.
As shown in figure 3, the off-line measurement process carried out in the present embodiment for the synchronized cells in cell to be measured has
Body may include steps of：
When communication terminal starts the measurement task for the synchronized cells in cell to be measured, step is first carried out
Radio-frequency module is opened in S301, control unit control, prepares measurement in real time.
After the radio-frequency module is opened, perform step S302, data grabber unit picks predetermined time length it is real-time
Measurement data section.
In the present embodiment, in order to ensure reaching certain measurement accuracy, when the predetermined time length is at least one
The length of gap, i.e., the real-time measuring data section of described data grabber unit picks are at least the down channel number of a time slot
According to.In other embodiments, the predetermined time length can also be slightly smaller than the length of a time slot, remain able to realize this
Inventive technique scheme.
After the real-time measuring data section is grabbed, step S303 is performed, radio-frequency module is closed in control unit control.
In the prior art, cell measurement procedure is always using the mode measured in real time, the radio-frequency module of communication terminal
Also opening is constantly in, this will undoubtedly consume more electricity, and since cell off-line measurement provided in this embodiment fills
Off-line measurement can be carried out according to the real-time measuring data section by putting, so need not keep the opening state of radio-frequency module again at this time
State, the consumption of electricity can be greatlyd save by closing radio-frequency module by control unit control.
While radio-frequency module is closed in control, step S304, storage unit storage real-time measuring data section are also performed.
After the storage for completing the real-time measuring data section, step S305 is performed, judges whether still deposited in cell to be measured
In synchronized cells, it is to perform step S306, obtains any cell information, otherwise terminates synchronized cells off-line measurement mistake
Journey shows to have been completed the measurement of all synchronized cells in cell to be measured.
After obtaining certain cell information by step S306, step S307 is performed, starts playback comparing unit playback storage
The real-time measuring data section and perform recycle ratio pair process.Those skilled in the art know, the recycle ratio pair
The implementation procedure that process can be identified according to scrambler in the prior art carries out, and is not described in detail herein.
When obtaining the result of recycle ratio pair by step S307, step S308 is performed, stores comparison result.
After execution of step S308, step S305 is jumped to, is started in the case where judging result is "Yes" to it
The scrambler identification process of his cell.
It should be noted that it is above-mentioned for the off-line measurement of synchronized cells during, not only can be omitted cell and search
Slot synchronization process during rope, but also the process of frame synchronization is can be omitted, it can directly be searched in a manner of off-line measurement
Rope goes out cell scrambling.As stated in the Background Art, general cell search process includes slot synchronization, frame synchronization and the knowledge of scrambler group
Not, scrambler identifies, it usually needs cell can be just eventually found by completing above-mentioned 3 processes, this is the process for most directly finding cell.
However, after finding boundary of time slot by slot synchronization process, as long as the time allowed is enough, being in theory can be by poor
The mode of act finds the position of frame boundaries and finds cell, according to relevant communication protocol, due to the base station when measuring adjacent cell
It is the frequency point and cell scrambling for having to tell the communication terminal adjacent cell, based on this, it is only necessary to know 15 boundary of time slot
Exhaustive position, in addition that cell that base station is told, it is possible to find cell quickly, and and need not carry out conventional
Frame synchronizing process.
The technology of frame synchronization why is used in the prior art, the reason is as follows that：
First, the needs of real-time.Since 3 processes of cell searching in the prior art are all to measure in real time, that is, need
Radio-frequency module is always in this measurement process, and the difference measured in real time with off-line measurement can exactly monitor in real time
To the state of the power of WCDMA signals, in real time reflection WCDMA system.Such as make a phone call, surf the Internet or video calling in, in data
In the case that flow or voice flux are big, it is accordingly required in particular to this real-time.
Second, the considerations of cost.The embodiment of the present invention is combined using small-scale measurement in real time with large-scale off-line measurement
Mode carry out cell measurement, be to need to capture larger real-time measuring data section to realize, and real-time measuring data section
It needs to increase special memory space to preserve data, is all to need to increase cost since chip often increases by a fritter memory space
, therefore the prior art is not taken into account that generally to be increased as cost using cost and skips frame synchronizing process.
Why expect using in the embodiment of the present invention and measure the side being combined with large-scale off-line measurement in real time on a small scale
Formula carries out cell measurement, and omits the process of frame synchronization, and reason is as follows：
First, the considerations of for the sex chromosome mosaicism it is pressed for time of cell measurement.Since the prior art is more in order at quickly
It completes cell searching to be resident in the better cell of communication quality to realize and carry out every business, be surveyed in this case for cell
The time urgency of amount is more demanding；And cell off-line measurement device provided in this embodiment be more suitable for communication terminal be in treat
Cell measurement under machine pattern, and in stand-by mode, since every communication service need not be carried out（Such as call, online
Deng）, cell measurement time urgency requirement it is relatively low, even if because communication terminal present position change and there are cell switchings
Demand, then the change of communication terminal present position is enough to complete " off-line measurement " described in the embodiment of the present invention this period
Process.
Second, save the urgent sex chromosome mosaicism of power consumption.As previously mentioned, communication terminal is in the cell measurement under standby mode
Time urgency is not so important, and the urgency for saving power consumption put it is before eyes, under the pressure of the urgency demand, present invention reality
Apply the cell measurement that the cell off-line measurement device that example provides is particularly suitable under standby mode.
As shown in figure 4, the off-line measurement process bag carried out in the present embodiment for the non-synchronized cells in cell to be measured
Include following steps：
When communication terminal starts the measurement task for the non-synchronized cells in cell to be measured, step is first carried out
Radio-frequency module is opened in S401, control unit control, prepares measurement in real time.
After the radio-frequency module of the communication terminal is opened in described control unit control, step S402 is performed, time slot is same
Walk the process that unit performs the non-synchronized cells in cell to be measured slot synchronization, and storage time slots synchronized result.
After the completion of slot synchronization process, step S403 is performed, judges whether effective slot synchronization as a result, being
Step S404 is then performed, by the real-time measuring data section of the data grabber unit picks predetermined time length, is otherwise terminated not
Synchronized cells off-line measurement process.The specific implementation of step S404 is identical with the implementation of step S302 shown in Fig. 3, herein no longer in detail
Thin description.
After the real-time measuring data section is grabbed, step S405 is performed, the radio frequency is closed in control unit control
Module.
While radio-frequency module is closed in control, step S406 is also performed, storage unit stores the real-time measuring data
Section.
After the storage for completing the real-time measuring data section, step S407 is performed, judges whether still deposited in cell to be measured
In effective cell results, it is to perform step S408, obtains any cell information, otherwise terminates non-synchronized cells off-line measurement
Process shows to have been completed the measurement of all non-synchronized cells that can realize slot synchronization in cell to be measured.This implementation
It is described whether to judge in cell to be measured there are still effective cell results in example, refer specifically in cell to be measured whether
Also there are the corresponding non-synchronized cells for obtaining effective slot synchronization result before this.
After obtaining certain cell information by step S408, step S409 is performed, starts playback comparing unit playback storage
The real-time measuring data section and perform recycle ratio pair process.
When obtaining the result of recycle ratio pair by step S409, step S410 is performed, stores comparison result.
After execution of step S410, step S407 is jumped to, is started in the case where judging result is "Yes" to it
The scrambler identification process of his cell.
The specific implementation procedure of step S408 to step S410 is identical to step S308 with step S306 shown in Fig. 3 respectively,
It is not described in detail herein.
It should be noted that it is above-mentioned for the off-line measurement of non-synchronized cells during, searched although cell cannot be omitted
Slot synchronization process during rope, but the process of frame synchronization is still can be omitted, it can be directly in a manner of off-line measurement
Search out cell scrambling.
In the present embodiment, when the type of the demand of the cell measurement is surveyed simultaneously including co-frequency cell measurement and alien-frequency district
During amount, then the quantity of the cell off-line measurement device measured to cell to be measured is two sets.Due to a radio frequency mould
Block can only be opened in simultaneously on a frequency point, small with master if radio-frequency module is opened in frequency, that is, on the frequency point of main plot
The cell of the identical frequency point in area is exactly co-frequency cell, then at this time with first set cell off-line measurement device the real-time survey of the frequency point
Tentatively amount data segment, which saves, is called common frequency measurement data segment；If measurement alien-frequency district is also needed at this time, then radio frequency
Module can be opened on that frequency point of alien frequencies, with second set of cell off-line measurement device the real-time measuring data section of alien frequencies
Tentatively it saves and is called different-frequency measure data segment.In this way, communication terminal just saves 2 sets of real-time measuring data sections simultaneously,
Its benefit exactly need not need measure co-frequency cell when, remove to open radio-frequency module, measure alien-frequency district when
It waits, then removes to open radio-frequency module, because there is two sets of cell off-line measurement equipment respective storage unit can be used for protecting
Deposit data so that the control process of entire cell measurement is simplified, and can be simultaneously to co-frequency cell and alien-frequency district
Off-line measurement is carried out, which thereby enhances measurement efficiency, reduces the power consumption of communication terminal to a greater extent.
To sum up, the cell off-line measurement device cost of implementation of communication terminal provided in an embodiment of the present invention is low, can either carry
For enough measurement capabilities, and the consumption of battery capacity can be effectively reduced, control is simple, practical and convenient.
It will be understood by those skilled in the art that realize communication terminal and its cell off-line measurement device in above-described embodiment
It is completely or partially that relevant hardware can be instructed to complete by program, the program can be stored in computer-readable
In storage medium, the storage medium can be ROM, RAM, magnetic disc, CD etc..
Although present disclosure is as above, present invention is not limited to this.Any those skilled in the art are not departing from this
It in the spirit and scope of invention, can make various changes or modifications, therefore protection scope of the present invention should be with claim institute
Subject to the scope of restriction.
Claims (10)
1. a kind of cell off-line measurement device of communication terminal, which is characterized in that including：
Data grabber unit, suitable for capturing the real-time measurement of predetermined time length when the radio-frequency module of the communication terminal is opened
Data segment；
Control unit, suitable for the radio frequency mould of the control unlatching communication terminal when starting the measurement task to cell to be measured
Block, and the radio-frequency module is closed in control after the data grabber unit picks to the real-time measuring data section；
Storage unit, suitable for storing the real-time measuring data section that the data grabber unit picks arrive；
Comparing unit is played back, suitable for playing back the real-time measuring data section of the storage unit storage, passes through recycle ratio pair
Mode, to realize search and measurement to the cell to be measured, the process of the recycle ratio pair is in the feelings without frame synchronization
Cell scrambling is directly searched under condition.
2. the cell off-line measurement device of communication terminal according to claim 1, which is characterized in that further include：Time slot is same
Unit is walked, suitable for the non-synchronized cells in cell to be measured are performed with the process of slot synchronization, and storage time slots synchronized result.
3. a kind of communication terminal, which is characterized in that including：Cell off-line measurement device described in claim 1 or 2.
4. a kind of cell measurement control method of communication terminal, which is characterized in that including：
When the communication terminal for being operated in the first communication pattern is in the measurement opportunity of standby mode or connection mode or works as
When being operated in the communication terminal of other communication patterns needs to measure the cell of first communication pattern, cell measurement is obtained
Demand；
According to the type of the demand of the cell measurement, with the cell off-line measurement device described in claim 1 or 2 to be measured
Cell measures.
5. the cell measurement control method of communication terminal according to claim 4, which is characterized in that the cell measurement
The type of demand includes measurement to synchronized cells, it is described with cell off-line measurement device described in claim 1 to be measured
Amount cell measure including：
It is pre- by the data grabber unit picks after the radio-frequency module of the communication terminal is opened in described control unit control
The real-time measuring data section for length of fixing time；
After the real-time measuring data section is grabbed, the radio-frequency module is closed in described control unit control, and by described
Storage unit stores the real-time measuring data section；
If obtaining any cell information there are still synchronized cells in cell to be measured, start the playback comparing unit and return
Leave with the real-time measuring data section of storage and perform the process of recycle ratio pair, and comparison result is stored, it is described to follow
The process that ring compares directly searches cell scrambling in the case of without frame synchronization.
6. the cell measurement control method of communication terminal according to claim 4, which is characterized in that the cell measurement
The type of demand includes the measurement to non-synchronized cells, and the cell off-line measurement device with described in claim 2 is to be measured
Amount cell measure including：
After the radio-frequency module of the communication terminal is opened in described control unit control, by the time slot synchronization unit to be measured
Measure the process that the non-synchronized cells in cell perform slot synchronization, and storage time slots synchronized result；
If there are effective slot synchronization as a result, if by the data grabber unit picks predetermined time length real-time measurement number
According to section；
After the real-time measuring data section is grabbed, the radio-frequency module is closed in described control unit control, and by described
Storage unit stores the real-time measuring data section；
If obtaining any cell information there are still effective cell results in cell to be measured, start the blowback ratio to list
The real-time measuring data section of member playback storage and the process for performing recycle ratio pair, and comparison result is stored, institute
The process for stating recycle ratio pair directly searches cell scrambling in the case of without frame synchronization.
7. the cell measurement control method of communication terminal according to claim 4, which is characterized in that when the cell measurement
Demand type simultaneously including co-frequency cell measurement and alien-frequency district measurement when, then cell to be measured is measured described in
The quantity of cell off-line measurement device is two sets.
8. the cell measurement control method of communication terminal according to claim 4, which is characterized in that the predetermined time is long
Degree is at least the length of a time slot.
9. the cell measurement control method of communication terminal according to claim 4, which is characterized in that the communication terminal branch
The communication pattern held includes at least one of WCDMA, TD-SCDMA and GSM.
10. the cell measurement control method of communication terminal according to claim 4, which is characterized in that first communication
Pattern is WCDMA.
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| WO2005018121A1 (en) * | 2003-08-04 | 2005-02-24 | Thomson Licensing S.A. | Adaptive frame synchronization in a universal mobile telephone system receiver |
| WO2009024065A1 (en) * | 2007-08-17 | 2009-02-26 | Huawei Technologies Co., Ltd. | A method and user equipment for measuring cells and reading control channels |
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