CN105636114B - A kind of signal quality determines method and terminal device - Google Patents
A kind of signal quality determines method and terminal device Download PDFInfo
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- CN105636114B CN105636114B CN201610010349.2A CN201610010349A CN105636114B CN 105636114 B CN105636114 B CN 105636114B CN 201610010349 A CN201610010349 A CN 201610010349A CN 105636114 B CN105636114 B CN 105636114B
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- 238000000034 method Methods 0.000 title claims abstract description 75
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
-
- 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
The embodiment of the invention discloses a kind of signal qualities to determine method and terminal device.The realization of wherein method includes：After terminal device execution is signal quality measured, the signal quality measured and tracer signal quality and corresponding geographical location are obtained；After receiving signal quality inquiry instruction, current geographic position is obtained；The signal quality of record is inquired, determines signal quality corresponding with the current geographic position；Show the signal quality inquired.For how many terminal device big absolutely, zone of action is relatively limited；The database data amount for so establishing signal quality is not too large, terminal device is by establishing the database of signal quality, local data base can be directly inquired when determining signal quality in need obtains more comprehensive signal quality result, it need not carry out the scanning and measurement of full frequency band, the scanning of full frequency band can be compared with power saving and inquiry velocity and is measured faster, it is achieved that energy saving and quick signal quality determines.
Description
Technical field
The present invention relates to field of communication technology, more particularly to a kind of signal quality determines method and terminal device.
Background technology
Wood has the application program for having and realizing signal measurement on some mobile phones, and the survey to network signal intensity may be implemented
Amount, the quality of signal can be inquired by application software.
By taking mobile phone as an example, it will usually show five lattice signal hints in the form of tool bar, the grid being filled is more, indicates
Signal is better.The signal strength for the cell/network being currently accessed usually is shown in this display mode.
In addition, web search function, can show five lattice signal hints, such user can in the form of tool bar in bulk
To select network insertion, more the most commonly used is the signal strengths of Wireless Fidelity (WIreless-Fidelity, WIFI) to show.
Based on described above it is found that the method for obtaining signal strength at present is substantially as follows：
If terminal device needs to obtain more comprehensive signal quality information；
Terminal device proceeds by the scanning of full frequency band, carries out letter upon receipt of the instructions or after terminal device startup
Number mass measurement, obtains the signal quality information of each frequency range/cell；
Then the signal quality information for measuring and obtaining is shown.
Above method, realize the acquisition of signal quality need carry out full frequency band scanning and signal measurement, more power consumption,
It is not suitable for the smaller mobile terminal of battery capacity more to use；In addition, the scanning and measurement of full frequency band, speed is also relatively slow.
Invention content
An embodiment of the present invention provides a kind of signal qualities to determine method and terminal device, for realizing energy saving and fast
The signal quality of speed determines.
On the one hand the embodiment of the present invention provides a kind of signal quality and determines method, including：
After terminal device execution is signal quality measured, the signal quality measured and tracer signal quality and correspondence are obtained
Geographical location；
The terminal device obtains current geographic position after receiving signal quality inquiry instruction；
The signal quality of the terminal device inquiry record, determines signal quality corresponding with the current geographic position；
The terminal device shows the signal quality inquired.
In an optional realization method, the terminal device execution is signal quality measured to include：
The terminal device executes signal quality in progress cell switching when either network insertion or period setting signal measure
It measures.
In an optional realization method, the method further includes：The tracer signal quality corresponding period；
Determination signal quality corresponding with the current geographic position includes：
Determine signal quality corresponding with the current location information and current slot.
In an optional realization method, the signal quality includes：
The signal strength of cell and/or the stability of cell.
In an optional realization method, the method further includes：
The signal quality of record, geographical location and period are counted, each geographical location of each period is obtained
Corresponding signal quality.
In an optional realization method, the method further includes：
When the terminal device shows the signal quality inquired, also show current slot current geographic position it
Other outer signal qualities；
Alternatively, graphically showing the signal quality of current geographic position all periods and marking current slot
Signal quality position.
In an optional realization method, the method further includes：
The terminal device carry out cell switching it is signal quality measured before, obtain current geographic position and current
Period；
According to the current geographic position and the signal quality of current slot inquiry record；
In measurement report MR wireless access network equipment is sent to using the signal quality inquired.
Two aspect of the embodiment of the present invention provides a kind of terminal device, including：
Measuring unit, it is signal quality measured for executing；
Recording unit, for obtaining the signal quality measured and tracer signal quality and corresponding geographical location；
Position acquisition unit, for after receiving signal quality inquiry instruction, obtaining current geographic position；
Query unit, the signal quality for inquiring record determine signal quality corresponding with the current geographic position；
Display unit, for showing the signal quality inquired.
In an optional realization method, the measuring unit, for the terminal device carry out cell switching or
Person's network insertion or period setting signal execute signal quality measured when measuring.
In an optional realization method, the recording unit is additionally operable to the tracer signal quality corresponding period；
The query unit is specifically used for determining signal matter corresponding with the current location information and current slot
Amount.
In an optional realization method, the signal quality includes：
The signal strength of cell and/or the stability of cell.
In an optional realization method, the terminal device further includes：
Statistic unit obtains each period for being counted to the signal quality of record, geographical location and period
The corresponding signal quality in each geographical location.
In an optional realization method, the display unit is additionally operable to the current geographic position of display current slot
Other signal qualities except setting, alternatively, graphically showing the signal quality of current geographic position all periods simultaneously
Mark current slot signal quality position.
In an optional realization method, the position acquisition unit is additionally operable to carry out cell in the terminal device
Switching it is signal quality measured before, obtain current geographic position and current slot；
The query unit is additionally operable to the signal matter according to the current geographic position and current slot inquiry record
Amount；The terminal device further includes：
Transmission unit, for being sent to wireless access network equipment using the signal quality inquired in measurement report MR.
As can be seen from the above technical solutions, the embodiment of the present invention has the following advantages：Applied to few movement or do not move
Dynamic terminal device can also be applied to mobile terminal device.For how many terminal device big absolutely, zone of action is
Relatively limited；The database data amount for so establishing signal quality is not too large, and terminal device is by establishing signal quality
Database can directly inquire local data base when determining signal quality in need and obtain more comprehensive signal quality
As a result, the scanning and measurement of full frequency band need not be carried out, the scanning and survey of full frequency band can be compared with power saving and inquiry velocity
It measures faster, it is achieved that energy saving and quick signal quality determines.
Description of the drawings
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly introduced, it should be apparent that, drawings in the following description are only some embodiments of the invention, for this
For the those of ordinary skill in field, without having to pay creative labor, it can also be obtained according to these attached drawings
His attached drawing.
Fig. 1 is present invention method flow diagram；
Fig. 2 is present invention method flow diagram；
Fig. 3 is terminal device structural schematic diagram of the embodiment of the present invention；
Fig. 4 is terminal device structural schematic diagram of the embodiment of the present invention；
Fig. 5 is terminal device structural schematic diagram of the embodiment of the present invention；
Fig. 6 is terminal device structural schematic diagram of the embodiment of the present invention；
Fig. 7 is terminal device structural schematic diagram of the embodiment of the present invention.
Specific implementation mode
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing to the present invention make into
It is described in detail to one step, it is clear that the described embodiments are only some of the embodiments of the present invention, rather than whole implementation
Example.Based on the embodiments of the present invention, obtained by those of ordinary skill in the art without making creative efforts
All other embodiment, shall fall within the protection scope of the present invention.
An embodiment of the present invention provides a kind of signal qualities to determine method, as shown in Figure 1, including：
101：Terminal device execute it is signal quality measured after, obtain the signal quality that measures and tracer signal quality and
Corresponding geographical location；
Signal quality measured is the operation that terminal often needs to execution, such as：Cell switching, network insertion, cooperation are wireless
Network carries out under the scenes such as coverage evaluating, Network Quality Analysis, network interferences analysis, and terminal device is required for carrying out signal quality
It measures；Measurement result can feed back to wireless access network equipment in the form of measurement report (Measurement Report, MR).
MR is one of the Main Basiss for assessing wireless environment quality.MR refers to information on a traffic channel per 480ms (signalings
470ms on channel) data are sent, for global system for mobile communications (Global System for Mobile
Communications, GSM) for, MR is the main means that network side obtains terminal device wireless messages, and main includes two
Part：Uplink signal information and downlink signal information.Wherein：
Downlink signal information by the network terminal measure acquire, by Um mouthfuls of measurement reports (Measurement Report,
MR) signaling is reported to network side；
Uplink signal information measures acquisition by the base station (Base Transmit Station, BTS) of network side, and BTS summarizes
Base station controller (base station controller, BSC) is reported to by MR after uplink and downlink metrical information.
Should include in downlink measurement report：Level intensity, the quality of serving cell, the current transmission power of mobile phone are non-
Continuously transmit (Discontinuous Transmission, DTX) behaviour in service, the signal strength and base of strongest six adjacent areas
Station identification code (Base Station Identity Code, BSIC) etc.；
Should include in out-hole run information：Level intensity, the quality of mobile phone uplink, transmission power current BTS, DTX
Behaviour in service, Timing Advance (Timing Advance, TA) value.
In the present embodiment, geographical location can also use cell ID as can be with it is preferable to use longitude and latitude
The corresponding information in geographical location；How geographical location obtains can be with the acquisition modes in geographical location in reference positioning system, this hair
Bright embodiment does not elaborate to this.
102：Above-mentioned terminal device obtains current geographic position after receiving signal quality inquiry instruction；
Tracer signal of embodiment of the present invention quality can be executed by application software, and terminal device can pass through the application software
Operation interface received signal quality inquiry quality.The acquisition in geographical location can be obtained with the geographical location in reference positioning system
Take mode.
103：The signal quality of above-mentioned terminal device inquiry record, determines signal matter corresponding with above-mentioned current geographic position
Amount；
Due to having navigated to current geographic position, the corresponding letter in geographical location and geographical location is contained in the information of storage
Number quality, then signal quality corresponding with current geographic position can be obtained by carrying out inquiry using current geographic position.
104：Above-mentioned terminal device shows the signal quality inquired.
The display mode of signal quality in addition in the form of tool bar show, can also be shown in the form of percentage,
Or it is shown in the form of numerical value.The form of percentages show can combine figure, such as：Block diagram, cake chart etc..Specifically
The display format embodiment of the present invention does not make uniqueness restriction.
The present embodiment can be applied to terminal device that is seldom mobile or not moving, can also be set applied to mobile terminal
It is standby.For how many terminal device big absolutely, zone of action is relatively limited；So establish the database of signal quality
Data volume is not too large, and terminal device, can when determining signal quality in need by establishing the database of signal quality
More comprehensive signal quality is obtained directly to inquire local data base as a result, the scanning and measurement of full frequency band need not be carried out,
The scanning of full frequency band can be compared with power saving and inquiry velocity and is measured faster, it is achieved that energy saving and quick signal
Quality determines.
In an optional realization method, the present embodiment additionally provides terminal device and executes signal quality measured application
Scene is as follows：Above-mentioned terminal device execution is signal quality measured to include：
Above-mentioned terminal device executes signal quality in progress cell switching when either network insertion or period setting signal measure
It measures.
Explanation based on the present embodiment, the signal measurement in the embodiment of the present invention should be usually in order to special
Determine signal quality and carry out it is signal quality measured, need not be special when especially user carries out signal quality inquiry
Carry out the measurement work of signal quality.
In an optional realization method, signal quality in addition to geographical location mutually outside the Pass, it is understood that there may be periodically become
The case where change, thus the embodiment of the present invention be additionally added time dimension the considerations of, it is specific as follows：The above method further includes：Record
The signal quality corresponding period；
Above-mentioned determination signal quality corresponding with above-mentioned current geographic position includes：
Determine signal quality corresponding with above-mentioned current location information and current slot.
The present embodiment adds the considerations of time dimension, and signal quality can be determined more accurately, and improves signal quality
Accuracy.
In an optional realization method, the preferred parameter content of signal quality is additionally provided, it is specific as follows：Above-mentioned letter
Number quality includes：
The signal strength of cell and/or the stability of cell.
The region that wireless signal covers is referred to as cell in mobile communication field, generally refers to the signal of a base station
The covered range of institute.The mobile communication of early stage is great Qu systems, that is, in the built-in base station in a region, and as much as possible
The signal cover of the base station is improved, the benefit of this method is to realize to be easy, and equipment is simple, but due to by power and frequency spectrum
Resource constraint, power system capacity is limited, and it is highly difficult to expand capacity.Therefore there has been proposed the methods of cell later, i.e., by one
A region division carries out signal covering at many small regions, i.e. cell, each cell with a base station, and adjacent cell makes
It avoids interfering with different frequencies, and cell relatively far apart can use identical frequency and do since base station power is limited
It disturbs that degree is very low, is not enough to generate the communication quality of two community users fatal influence, thereby realizes spectrum reuse,
Frequency spectrum resource utilization rate is substantially increased, under identical frequency spectrum and bandwidth resources, the method for comparing larger area, due to frequency spectrum
Multiplexing, power system capacity is greatly improved.The method that this cell divides region makes whole region look like by very
More honeycomb compositions, therefore cell is referred to as cellular cell again.
At present due to the needs of business, to MPS process less than local people have also been proposed Microcell (Micro-cell)
Technology, in contrast, common cell just be referred to as macrocell (macro cells).The transmission power of Microcell is small, covering
Range is also small, is generally used for the place that such as basement, tunnel macrocell do not cover, as a kind of supplement of wireless coverage,
Same thinking, the also technology of picocell, its power smaller, commonly used in the communication such as covering meeting room " hot spot " area
Domain.In addition to this, the technology of intelligent residential district has also grown up at present, it refers to letter caused by the base station using smart antenna
Number cell.Intelligent residential district is also equipped with advantage caused by smart antenna, such as load other than having the advantages that usual cell
Balanced aspect, it can utilize the adaptive characteristic intelligent decision user location of smart antenna, be adjusted and sent according to actual conditions
Subscriber signal direction is determined to the signal power size of user, and using the directional beam of smart antenna, to effectively inhibit
The functions such as interference signal.The technology of intelligent residential district is based on long term evolution (Long Term Evolution, LTE) at present
It is applied and develops in the 4G networks of technology.
In the present embodiment, cell can refer to it is described above in macrocell, Microcell, picocell etc., the tool of cell
The body type embodiment of the present invention does not make uniqueness restriction.
It should be noted that signal quality can be the signal quality etc. of the signal quality of channel, frequency point；Signal quality can
To be that signal strength, stability can also be drop rate etc.；For cell stability using parameter of measurement can be cell
Drop rate can also be signal jump frequency and signal hopping amplitude, can also be the combination of the two.The above cell goes offline
Rate can also be signal jump frequency and signal hopping amplitude is citing for weighing cell stability, other are for weighing
The parameter of amount cell stability can also realize the technical solution of the embodiment of the present invention, therefore the above citing should not be construed as to this
The uniqueness of inventive embodiments limits.The parameter of other gauge signal qualities can't also influence the realization of the embodiment of the present invention,
Therefore the embodiment of the present invention limits the design parameter of signal quality without uniqueness, and illustrates also should not be construed as above
The uniqueness of the embodiment of the present invention is limited.
In an optional realization method, terminal device is recording enough signal qualities, geographical location with timely
Between after section, these data can be carried out to excavate obtain more information, it is specific as follows：The above method further includes：
The signal quality of record, geographical location and period are counted, each geographical location of each period is obtained
Corresponding signal quality.
Period in the embodiment of the present invention can be according to advance planning as unit of one day, when being divided into several
Between section, such as：It was divided into 12 division of day and night by one day, each division of day and night corresponds to 1 period；It is further divided into：Light load time section, work
Make period, lunch break section, quitting time section in afternoon；Wherein light load time section can be used the time in the morning to morning
The amount amount smaller period.The period how is specifically divided, the embodiment of the present invention does not make uniqueness restriction.The division of period
It can also dynamically adjust, it is not absolutely required to use fixed configuration.
In an optional realization method, other than the signal strength of display current location current slot, this hair
Bright embodiment additionally provides more abundant displaying scheme, specific as follows：The above method further includes：
When above-mentioned terminal device shows the signal quality inquired, also show current slot current geographic position it
Other outer signal qualities；
Alternatively, graphically showing the signal quality of current geographic position all periods and marking current slot
Signal quality position.
Other signal qualities wherein except the current geographic position of current slot can be the signal of other times section
Quality can also be the signal quality etc. of adjacent area.
It graphically shows the signal quality of all periods of current geographic position, more vivid can inform
The situation of change of subscriber signal quality makes user have relatively sharp understanding to the signal quality variation situation in the geographical location.
It, can be with base other than to user about the inquiry response of signal quality in an optional realization method
Access control is carried out in local data base, it is specific as follows：The above method further includes
Above-mentioned terminal device carry out cell switching it is signal quality measured before, obtain current geographic position and current
Period；
According to above-mentioned current geographic position and the signal quality of current slot inquiry record；
In measurement report MR wireless access network equipment is sent to using the signal quality inquired.
The embodiment of the present invention is reported by inquiring local signal quality to carry out MR, realizes that access control or cell are cut
The control changed etc. makes the use of local data base obtain the extension of bigger, reduces mobile terminal excessive letter in use
Number measure work.
Following embodiment will carry out the embodiment of the present invention with regard to the embodiment of the present invention concrete application scene detailed
It illustrates.
In the citing of the present embodiment, by application program (Application, APP) realize signal quality record and
The function of storage and subsequent query, as shown in Fig. 2, specific as follows：
201：By APP in running background, measurement result of record mobile phone durings handover between cells etc.；Alternatively, specified
The measurement module of mobile phone by daily record or it is other in the form of store these measurement results.
After recording measurement result, it can timely update；Newer mode can be recorded in time when measuring next time.Note
The information of record can include：Location information (longitude and latitude/cell)+signal strength+time segment information；
202：The information of APP periodic statisticals record；Can be specifically：Count fixed area, different time sections, commonly
There are which channel, the size and situation of change of these channel signal strengths etc..
203：When user opens APP inquiries when signal quality, then the letter of storage is inquired in locating cellphone position first
Breath, inquires the signal strength size and amplitude of variation situation in the different time sections of current location.It is then displayed to user.
The concrete type of APP can be radiation query software, then signal quality can usually correspond to channel at this time
Signal strength parameter.
The display mode of signal quality in addition in the form of tool bar show, can also be shown in the form of percentage,
Or it is shown in the form of numerical value.The form of percentages show can combine figure, such as：Block diagram, cake chart etc..Specifically
The display format embodiment of the present invention does not make uniqueness restriction.
The present embodiment can be applied to terminal device that is seldom mobile or not moving, can also be set applied to mobile terminal
It is standby.For how many terminal device big absolutely, zone of action is relatively limited；So establish the database of signal quality
Data volume is not too large, and terminal device, can when determining signal quality in need by establishing the database of signal quality
More comprehensive signal quality is obtained directly to inquire local data base as a result, the scanning and measurement of full frequency band need not be carried out,
The scanning of full frequency band can be compared with power saving and inquiry velocity and is measured faster, it is achieved that energy saving and quick signal
Quality determines.
The embodiment of the present invention additionally provides a kind of terminal device, as shown in figure 3, including：
Measuring unit 301, it is signal quality measured for executing；
Recording unit 302, for obtaining the signal quality measured and tracer signal quality and corresponding geographical location；
Position acquisition unit 303, for after receiving signal quality inquiry instruction, obtaining current geographic position；
Query unit 304, the signal quality for inquiring record determine signal matter corresponding with above-mentioned current geographic position
Amount；
Display unit 305, for showing the signal quality inquired.
Signal quality measured is the operation that terminal often needs to execution, such as：Cell switching, network insertion, cooperation are wireless
Network carries out under the scenes such as coverage evaluating, Network Quality Analysis, network interferences analysis, and terminal device is required for carrying out signal quality
It measures；Measurement result can feed back to wireless access network equipment in the form of measurement report (Measurement Report, MR).
In the present embodiment, geographical location can also use cell ID as can be with it is preferable to use longitude and latitude
The corresponding information in geographical location；How geographical location obtains can be with the acquisition modes in geographical location in reference positioning system, this hair
Bright embodiment does not elaborate to this.
Tracer signal of embodiment of the present invention quality can be executed by application software, and terminal device can pass through the application software
Operation interface received signal quality inquiry quality.The acquisition in geographical location can be obtained with the geographical location in reference positioning system
Take mode.
Due to having navigated to current geographic position, the corresponding letter in geographical location and geographical location is contained in the information of storage
Number quality, then signal quality corresponding with current geographic position can be obtained by carrying out inquiry using current geographic position.
The display mode of signal quality in addition in the form of tool bar show, can also be shown in the form of percentage,
Or it is shown in the form of numerical value.The form of percentages show can combine figure, such as：Block diagram, cake chart etc..Specifically
The display format embodiment of the present invention does not make uniqueness restriction.
The present embodiment can be applied to terminal device that is seldom mobile or not moving, can also be set applied to mobile terminal
It is standby.For how many terminal device big absolutely, zone of action is relatively limited；So establish the database of signal quality
Data volume is not too large, and terminal device, can when determining signal quality in need by establishing the database of signal quality
More comprehensive signal quality is obtained directly to inquire local data base as a result, the scanning and measurement of full frequency band need not be carried out,
The scanning of full frequency band can be compared with power saving and inquiry velocity and is measured faster, it is achieved that energy saving and quick signal
Quality determines.
In an optional realization method, the present embodiment additionally provides terminal device and executes signal quality measured application
Scene is as follows：Above-mentioned measuring unit 301, for carrying out cell switching either network insertion or periodically in above-mentioned terminal device
It is executed when signal measurement signal quality measured.
Explanation based on the present embodiment, the signal measurement in the embodiment of the present invention should be usually in order to special
Determine signal quality and carry out it is signal quality measured, need not be special when especially user carries out signal quality inquiry
Carry out the measurement work of signal quality.
In an optional realization method, signal quality in addition to geographical location mutually outside the Pass, it is understood that there may be periodically become
The case where change, thus the embodiment of the present invention be additionally added time dimension the considerations of, it is specific as follows：Above-mentioned recording unit 302, is also used
In the tracer signal quality corresponding period；
Above-mentioned query unit 304 is specifically used for determining letter corresponding with above-mentioned current location information and current slot
Number quality.
The present embodiment adds the considerations of time dimension, and signal quality can be determined more accurately, and improves signal quality
Accuracy.
In an optional realization method, the preferred parameter content of signal quality is additionally provided, it is specific as follows：Above-mentioned letter
Number quality includes：
The signal strength of cell and/or the stability of cell.
The region that wireless signal covers is referred to as cell in mobile communication field, generally refers to the signal of a base station
The covered range of institute.The mobile communication of early stage is great Qu systems, that is, in the built-in base station in a region, and as much as possible
The signal cover of the base station is improved, the benefit of this method is to realize to be easy, and equipment is simple, but due to by power and frequency spectrum
Resource constraint, power system capacity is limited, and it is highly difficult to expand capacity.Therefore there has been proposed the methods of cell later, i.e., by one
A region division carries out signal covering at many small regions, i.e. cell, each cell with a base station, and adjacent cell makes
It avoids interfering with different frequencies, and cell relatively far apart can use identical frequency and do since base station power is limited
It disturbs that degree is very low, is not enough to generate the communication quality of two community users fatal influence, thereby realizes spectrum reuse,
Frequency spectrum resource utilization rate is substantially increased, under identical frequency spectrum and bandwidth resources, the method for comparing larger area, due to frequency spectrum
Multiplexing, power system capacity is greatly improved.The method that this cell divides region makes whole region look like by very
More honeycomb compositions, therefore cell is referred to as cellular cell again.
At present due to the needs of business, to MPS process less than local people have also been proposed Microcell (Micro-cell)
Technology, in contrast, common cell just be referred to as macrocell (macro cells).The transmission power of Microcell is small, covering
Range is also small, is generally used for the place that such as basement, tunnel macrocell do not cover, as a kind of supplement of wireless coverage,
Same thinking, the also technology of picocell, its power smaller, commonly used in the communication such as covering meeting room " hot spot " area
Domain.In addition to this, the technology of intelligent residential district has also grown up at present, it refers to letter caused by the base station using smart antenna
Number cell.Intelligent residential district is also equipped with advantage caused by smart antenna, such as load other than having the advantages that usual cell
Balanced aspect, it can utilize the adaptive characteristic intelligent decision user location of smart antenna, be adjusted and sent according to actual conditions
Subscriber signal direction is determined to the signal power size of user, and using the directional beam of smart antenna, to effectively inhibit
The functions such as interference signal.The technology of intelligent residential district is based on long term evolution (Long Term Evolution, LTE) at present
It is applied and develops in the 4G networks of technology.
In the present embodiment, cell can refer to it is described above in macrocell, Microcell, picocell etc., the tool of cell
The body type embodiment of the present invention does not make uniqueness restriction.
In a possible realization method, as shown in figure 4, above-mentioned terminal device further includes：
Statistic unit 401, for being counted to the signal quality of record, geographical location and period, when obtaining each
Between section the corresponding signal quality in each geographical location.
Period in the embodiment of the present invention can be according to advance planning as unit of one day, when being divided into several
Between section, such as：It was divided into 12 division of day and night by one day, each division of day and night corresponds to 1 period；It is further divided into：Light load time section, work
Make period, lunch break section, quitting time section in afternoon；Wherein light load time section can be used the time in the morning to morning
The amount amount smaller period.The period how is specifically divided, the embodiment of the present invention does not make uniqueness restriction.The division of period
It can also dynamically adjust, it is not absolutely required to use fixed configuration.
In an optional realization method, other than the signal strength of display current location current slot, this hair
Bright embodiment additionally provides more abundant displaying scheme, specific as follows：Above-mentioned display unit 305, when being additionally operable to show current
Between section current geographic position except other signal qualities, alternatively, graphically show current geographic position institute sometimes
Between section signal quality and mark current slot signal quality position.
Other signal qualities wherein except the current geographic position of current slot can be the signal of other times section
Quality can also be the signal quality etc. of adjacent area.
It graphically shows the signal quality of all periods of current geographic position, more vivid can inform
The situation of change of subscriber signal quality makes user have relatively sharp understanding to the signal quality variation situation in the geographical location.
It, can be with base other than to user about the inquiry response of signal quality in an optional realization method
Access control is carried out in local data base, it is specific as follows：As shown in Figure 5：
Above-mentioned position acquisition unit 303, be additionally operable to above-mentioned terminal device carry out cell switching it is signal quality measured it
Before, obtain current geographic position and current slot；
Above-mentioned query unit 304 is additionally operable to the letter according to above-mentioned current geographic position and current slot inquiry record
Number quality；Above-mentioned terminal device further includes：
Transmission unit 501 is set for being sent to wireless access network using the signal quality inquired in measurement report MR
It is standby.
The embodiment of the present invention is reported by inquiring local signal quality to carry out MR, realizes that access control or cell are cut
The control changed etc. makes the use of local data base obtain the extension of bigger, reduces mobile terminal excessive letter in use
Number measure work.
The embodiment of the present invention additionally provides another terminal device, as shown in fig. 6, including：Receiving module 601, transmitting mould
Block 602, processor 603, display 605 and memory 604；Wherein memory 604 can provide processor 603 and carry out
The caching that data are generated in data handling procedure, can also provide the storage of data involved in processing procedure；
Wherein, above-mentioned processor 603, for after terminal device execution is signal quality measured, obtaining the signal measured
Quality and tracer signal quality and corresponding geographical location；After receiving signal quality inquiry instruction, current geographic is obtained
Position；The signal quality of record is inquired, determines signal quality corresponding with above-mentioned current geographic position；
Aforementioned display device 605, for showing the signal quality inquired.
Signal quality measured is the operation that terminal often needs to execution, such as：Cell switching, network insertion, cooperation are wireless
Network carries out under the scenes such as coverage evaluating, Network Quality Analysis, network interferences analysis, and terminal device is required for carrying out signal quality
It measures；Measurement result can feed back to wireless access network equipment in the form of measurement report (Measurement Report, MR).
In the present embodiment, geographical location can also use cell ID as can be with it is preferable to use longitude and latitude
The corresponding information in geographical location；How geographical location obtains can be with the acquisition modes in geographical location in reference positioning system, this hair
Bright embodiment does not elaborate to this.
Tracer signal of embodiment of the present invention quality can be executed by application software, and terminal device can pass through the application software
Operation interface received signal quality inquiry quality.The acquisition in geographical location can be obtained with the geographical location in reference positioning system
Take mode.
Due to having navigated to current geographic position, the corresponding letter in geographical location and geographical location is contained in the information of storage
Number quality, then signal quality corresponding with current geographic position can be obtained by carrying out inquiry using current geographic position.
The display mode of signal quality in addition in the form of tool bar show, can also be shown in the form of percentage,
Or it is shown in the form of numerical value.The form of percentages show can combine figure, such as：Block diagram, cake chart etc..Specifically
The display format embodiment of the present invention does not make uniqueness restriction.
The present embodiment can be applied to terminal device that is seldom mobile or not moving, can also be set applied to mobile terminal
It is standby.For how many terminal device big absolutely, zone of action is relatively limited；So establish the database of signal quality
Data volume is not too large, and terminal device, can when determining signal quality in need by establishing the database of signal quality
More comprehensive signal quality is obtained directly to inquire local data base as a result, the scanning and measurement of full frequency band need not be carried out,
The scanning of full frequency band can be compared with power saving and inquiry velocity and is measured faster, it is achieved that energy saving and quick signal
Quality determines.
In an optional realization method, the present embodiment additionally provides terminal device and executes signal quality measured application
Scene is as follows：Above-mentioned processor 603 signal quality measured includes for executing：
It is executed when either network insertion or period setting signal measure in progress cell switching signal quality measured.
Explanation based on the present embodiment, the signal measurement in the embodiment of the present invention should be usually in order to special
Determine signal quality and carry out it is signal quality measured, need not be special when especially user carries out signal quality inquiry
Carry out the measurement work of signal quality.
In an optional realization method, signal quality in addition to geographical location mutually outside the Pass, it is understood that there may be periodically become
The case where change, thus the embodiment of the present invention be additionally added time dimension the considerations of, it is specific as follows：Above-mentioned processor 603, is additionally operable to
The tracer signal quality corresponding period；
Above-mentioned processor 603, for determining that corresponding with above-mentioned current geographic position signal quality includes：
Determine signal quality corresponding with above-mentioned current location information and current slot.
The present embodiment adds the considerations of time dimension, and signal quality can be determined more accurately, and improves signal quality
Accuracy.
In an optional realization method, the preferred parameter content of signal quality is additionally provided, it is specific as follows：Above-mentioned letter
Number quality includes：
The signal strength of cell and/or the stability of cell.
The region that wireless signal covers is referred to as cell in mobile communication field, generally refers to the signal of a base station
The covered range of institute.The mobile communication of early stage is great Qu systems, that is, in the built-in base station in a region, and as much as possible
The signal cover of the base station is improved, the benefit of this method is to realize to be easy, and equipment is simple, but due to by power and frequency spectrum
Resource constraint, power system capacity is limited, and it is highly difficult to expand capacity.Therefore there has been proposed the methods of cell later, i.e., by one
A region division carries out signal covering at many small regions, i.e. cell, each cell with a base station, and adjacent cell makes
It avoids interfering with different frequencies, and cell relatively far apart can use identical frequency and do since base station power is limited
It disturbs that degree is very low, is not enough to generate the communication quality of two community users fatal influence, thereby realizes spectrum reuse,
Frequency spectrum resource utilization rate is substantially increased, under identical frequency spectrum and bandwidth resources, the method for comparing larger area, due to frequency spectrum
Multiplexing, power system capacity is greatly improved.The method that this cell divides region makes whole region look like by very
More honeycomb compositions, therefore cell is referred to as cellular cell again.
At present due to the needs of business, to MPS process less than local people have also been proposed Microcell (Micro-cell)
Technology, in contrast, common cell just be referred to as macrocell (macro cells).The transmission power of Microcell is small, covering
Range is also small, is generally used for the place that such as basement, tunnel macrocell do not cover, as a kind of supplement of wireless coverage,
Same thinking, the also technology of picocell, its power smaller, commonly used in the communication such as covering meeting room " hot spot " area
Domain.In addition to this, the technology of intelligent residential district has also grown up at present, it refers to letter caused by the base station using smart antenna
Number cell.Intelligent residential district is also equipped with advantage caused by smart antenna, such as load other than having the advantages that usual cell
Balanced aspect, it can utilize the adaptive characteristic intelligent decision user location of smart antenna, be adjusted and sent according to actual conditions
Subscriber signal direction is determined to the signal power size of user, and using the directional beam of smart antenna, to effectively inhibit
The functions such as interference signal.The technology of intelligent residential district is based on long term evolution (Long Term Evolution, LTE) at present
It is applied and develops in the 4G networks of technology.
In the present embodiment, cell can refer to it is described above in macrocell, Microcell, picocell etc., the tool of cell
The body type embodiment of the present invention does not make uniqueness restriction.
In a possible realization method, above-mentioned processor 603 is additionally operable to the signal quality to record, geographical location
And the period is counted, and the corresponding signal quality in each geographical location of each period is obtained.
Period in the embodiment of the present invention can be according to advance planning as unit of one day, when being divided into several
Between section, such as：It was divided into 12 division of day and night by one day, each division of day and night corresponds to 1 period；It is further divided into：Light load time section, work
Make period, lunch break section, quitting time section in afternoon；Wherein light load time section can be used the time in the morning to morning
The amount amount smaller period.The period how is specifically divided, the embodiment of the present invention does not make uniqueness restriction.The division of period
It can also dynamically adjust, it is not absolutely required to use fixed configuration.
In an optional realization method, other than the signal strength of display current location current slot, this hair
Bright embodiment additionally provides more abundant displaying scheme, specific as follows：Aforementioned display device 605 is additionally operable to set in above-mentioned terminal
When the signal quality that standby display inquires, other signal qualities except the current geographic position of current slot are also shown；
Alternatively, graphically showing the signal quality of current geographic position all periods and marking current slot
Signal quality position.
Other signal qualities wherein except the current geographic position of current slot can be the signal of other times section
Quality can also be the signal quality etc. of adjacent area.
It graphically shows the signal quality of all periods of current geographic position, more vivid can inform
The situation of change of subscriber signal quality makes user have relatively sharp understanding to the signal quality variation situation in the geographical location.
It, can be with base other than to user about the inquiry response of signal quality in an optional realization method
Access control is carried out in local data base, it is specific as follows：Above-mentioned processor 603, is additionally operable to：Cell is carried out in above-mentioned terminal device
Switching it is signal quality measured before, obtain current geographic position and current slot；According to above-mentioned current geographic position with
And the signal quality of current slot inquiry record；
Above-mentioned transmitting module 602, for being sent to wireless access using the signal quality inquired in measurement report MR
Net equipment.
The embodiment of the present invention is reported by inquiring local signal quality to carry out MR, realizes that access control or cell are cut
The control changed etc. makes the use of local data base obtain the extension of bigger, reduces mobile terminal excessive letter in use
Number measure work.
The embodiment of the present invention additionally provides another terminal device, as shown in fig. 7, for convenience of description, illustrate only with
The relevant part of the embodiment of the present invention, particular technique details do not disclose, please refer to present invention method part.The terminal
It includes mobile phone, tablet computer, PDA (Personal Digital Assistant, personal digital assistant), POS that can be
The arbitrary terminal device such as (Point of Sales, point-of-sale terminal), vehicle-mounted computer, by taking terminal is mobile phone as an example：
Fig. 7 shows the block diagram with the part-structure of the relevant mobile phone of terminal provided in an embodiment of the present invention.Reference chart
7, mobile phone includes：Radio frequency (Radio Frequency, RF) circuit 710, memory 720, input unit 730, display unit 740,
Sensor 750, voicefrequency circuit 760, Wireless Fidelity (wireless fidelity, WiFi) module 770, processor 780 and
The components such as power supply 790.It will be understood by those skilled in the art that handset structure shown in Fig. 7 does not constitute the restriction to mobile phone,
May include either combining certain components or different components arrangement than illustrating more or fewer components.
Each component parts of mobile phone is specifically introduced with reference to Fig. 7：
RF circuits 710 can be used for receiving and sending messages or communication process in, signal sends and receivees, particularly, by base station
After downlink information receives, handled to processor 780；In addition, the data for designing uplink are sent to base station.In general, RF circuits 710
Including but not limited to antenna, at least one amplifier, transceiver, coupler, low-noise amplifier (Low Noise
Amplifier, LNA), duplexer etc..In addition, RF circuits 710 can also be communicated with network and other equipment by radio communication.
Above-mentioned wireless communication can use any communication standard or agreement, including but not limited to global system for mobile communications (Global
System of Mobile communication, GSM), general packet radio service (General Packet Radio
Service, GPRS), CDMA (Code Division Multiple Access, CDMA), wideband code division multiple access
(Wideband Code Division Multiple Access, WCDMA), long term evolution (Long Term Evolution,
LTE), Email, short message service (Short Messaging Service, SMS) etc..
Memory 720 can be used for storing software program and module, and processor 780 is stored in memory 720 by operation
Software program and module, to execute various function application and the data processing of mobile phone.Memory 720 can include mainly
Storing program area and storage data field, wherein storing program area can storage program area, the application journey needed at least one function
Sequence (such as sound-playing function, image player function etc.) etc.；Storage data field can be stored to be created according to using for mobile phone
Data (such as audio data, phone directory etc.) etc..It, can be in addition, memory 720 may include high-speed random access memory
Including nonvolatile memory, for example, at least a disk memory, flush memory device or other volatile solid-states
Part.
Input unit 730 can be used for receiving the number or character information of input, and generate with the user setting of mobile phone with
And the related key signals input of function control.Specifically, input unit 730 may include that touch panel 731 and other inputs are set
Standby 732.Touch panel 731, also referred to as touch screen, collect user on it or neighbouring touch operation (such as user use
The operation of any suitable object or attachment such as finger, stylus on touch panel 731 or near touch panel 731), and root
Corresponding attachment device is driven according to preset formula.Optionally, touch panel 731 may include touch detecting apparatus and touch
Two parts of controller.Wherein, the touch orientation of touch detecting apparatus detection user, and the signal that touch operation is brought is detected,
Transmit a signal to touch controller；Touch controller receives touch information from touch detecting apparatus, and is converted into touching
Point coordinates, then give processor 780, and order that processor 780 is sent can be received and executed.Furthermore, it is possible to using electricity
The multiple types such as resistive, condenser type, infrared ray and surface acoustic wave realize touch panel 731.In addition to touch panel 731, input
Unit 730 can also include other input equipments 732.Specifically, other input equipments 732 can include but is not limited to secondary or physical bond
It is one or more in disk, function key (such as volume control button, switch key etc.), trace ball, mouse, operating lever etc..
Display unit 740 can be used for showing information input by user or be supplied to user information and mobile phone it is various
Menu.Display unit 740 may include display panel 741, optionally, liquid crystal display (Liquid Crystal may be used
Display, LCD), the forms such as Organic Light Emitting Diode (Organic Light-Emitting Diode, OLED) it is aobvious to configure
Show panel 741.Further, touch panel 731 can cover display panel 741, when touch panel 731 detect it is on it or attached
After close touch operation, processor 780 is sent to determine the type of touch event, is followed by subsequent processing device 780 according to touch event
Type corresponding visual output is provided on display panel 741.Although in the figure 7, touch panel 731 and display panel 741
It is that input and the input function of mobile phone are realized as two independent components, but in some embodiments it is possible to by touch-control
Panel 731 and display panel 741 are integrated and that realizes mobile phone output and input function.
Mobile phone may also include at least one sensor 750, such as optical sensor, motion sensor and other sensors.
Specifically, optical sensor may include ambient light sensor and proximity sensor, wherein ambient light sensor can be according to ambient light
Light and shade adjust the brightness of display panel 741, proximity sensor can close display panel 741 when mobile phone is moved in one's ear
And/or backlight.As a kind of motion sensor, accelerometer sensor can detect in all directions (generally three axis) acceleration
Size, size and the direction of gravity are can detect that when static, can be used to identify the application of mobile phone posture, (for example horizontal/vertical screen is cut
Change, dependent game, magnetometer pose calibrating), Vibration identification correlation function (such as pedometer, tap) etc.；May be used also as mobile phone
The other sensors such as gyroscope, barometer, hygrometer, thermometer, the infrared sensor of configuration, details are not described herein.
Voicefrequency circuit 760, loud speaker 761, microphone 762 can provide the audio interface between user and mobile phone.Audio-frequency electric
The transformed electric signal of the audio data received can be transferred to loud speaker 761 by road 760, and sound is converted to by loud speaker 761
Signal exports；On the other hand, the voice signal of collection is converted to electric signal by microphone 762, is turned after being received by voicefrequency circuit 760
It is changed to audio data, then by after the processing of audio data output processor 780, through RF circuits 710 to be sent to such as another mobile phone,
Or audio data is exported to memory 720 to be further processed.
WiFi belongs to short range wireless transmission technology, and mobile phone can help user's transceiver electronics postal by WiFi module 770
Part, browsing webpage and access streaming video etc., it has provided wireless broadband internet to the user and has accessed.Although Fig. 7 is shown
WiFi module 770, but it is understood that, and it is not belonging to must be configured into for mobile phone, it can not change as needed completely
Become in the range of the essence of invention and omits.
Processor 780 is the control centre of mobile phone, using the various pieces of various interfaces and connection whole mobile phone, is led to
It crosses operation or executes the software program and/or module being stored in memory 720, and call and be stored in memory 720
Data execute the various functions and processing data of mobile phone, to carry out integral monitoring to mobile phone.Optionally, processor 780 can wrap
Include one or more processing units；Preferably, processor 780 can integrate application processor and modem processor, wherein answer
With the main processing operation system of processor, user interface and application program etc., modem processor mainly handles wireless communication.
It is understood that above-mentioned modem processor can not also be integrated into processor 780.
Mobile phone further includes the power supply 790 (such as battery) powered to all parts, it is preferred that power supply can pass through power supply pipe
Reason system and processor 780 are logically contiguous, to realize management charging, electric discharge and power managed by power-supply management system
Etc. functions.
Although being not shown, mobile phone can also include camera, bluetooth module etc., and details are not described herein.
In embodiments of the present invention, in handset structure figure shown in Fig. 7, RF circuits 710 or WiFi module can correspond to
The function of receiving module 601 and transmitting module 602 shown in fig. 6, handle 780 function can then correspond to processing 603 work(
Can, memory 720 can then correspond to the function of memory 604, and display unit 740 can then correspond to the work(of display 605
Energy.
It is worth noting that, in above-mentioned terminal device embodiment, included each unit only according to function logic into
What row divided, but it is not limited to above-mentioned division, as long as corresponding function can be realized；In addition, each functional unit
Specific name is also only to facilitate mutually distinguish, the protection domain being not intended to restrict the invention.
In addition, one of ordinary skill in the art will appreciate that realizing all or part of step in above-mentioned each method embodiment
It is that relevant hardware can be instructed to complete by program, corresponding program can be stored in a kind of computer readable storage medium
In, storage medium mentioned above can be read-only memory, disk or CD etc..
It these are only the preferable specific implementation mode of the present invention, but scope of protection of the present invention is not limited thereto, it is any
Those familiar with the art the variation that can readily occur in or replaces in the technical scope that the embodiment of the present invention discloses
It changes, should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with the protection model of claim
Subject to enclosing.
Claims (6)
1. a kind of signal quality determines method, which is characterized in that including：
Terminal device carry out cell switching when either network insertion or period setting signal measure and execute it is signal quality measured after, obtain
The signal quality that must be measured and tracer signal quality and corresponding geographical location；The signal quality includes：The letter of cell
The stability of number intensity and/or cell；The stability of the cell includes：The drop rate of cell, signal jump frequency and letter
At least one of in number hopping amplitude；The signal quality of record, geographical location and period are counted, each time is obtained
The corresponding signal quality in each geographical location of section；
The terminal device obtains current geographic position after receiving signal quality inquiry instruction；
The signal quality of the terminal device inquiry record, determines signal quality corresponding with the current geographic position；
The terminal device shows the signal quality inquired；Show other letters except the current geographic position of current slot
Number quality, alternatively, graphically showing the signal quality of current geographic position all periods and marking current slot
Signal quality position.
2. method according to claim 1, which is characterized in that the method further includes：The tracer signal quality corresponding time
Section；
Determination signal quality corresponding with the current geographic position includes：
Determine signal quality corresponding with current location information and current slot.
3. method according to claim 1, which is characterized in that the method further includes：
The terminal device carry out cell switching it is signal quality measured before, obtain current geographic position and current time
Section；
According to the current geographic position and the signal quality of current slot inquiry record；
In measurement report MR wireless access network equipment is sent to using the signal quality inquired.
4. a kind of terminal device, which is characterized in that including：
Measuring unit is executed for carrying out cell switching when either network insertion or period setting signal measure in the terminal device
It is signal quality measured；The signal quality includes：The signal strength of cell and/or the stability of cell；The stabilization of the cell
Property includes：At least one of in the drop rate of cell, signal jump frequency and signal hopping amplitude；
Recording unit, for obtaining the signal quality measured and tracer signal quality and corresponding geographical location；
Statistic unit obtains each of each period for being counted to the signal quality of record, geographical location and period
The corresponding signal quality in geographical location；
Position acquisition unit, for after receiving signal quality inquiry instruction, obtaining current geographic position；
Query unit, the signal quality for inquiring record determine signal quality corresponding with the current geographic position；
Display unit, for showing the signal quality inquired；Show other except the current geographic position of current slot
Signal quality, alternatively, graphically showing the signal quality of current geographic position all periods and marking current time
Segment signal quality position.
5. terminal device according to claim 4, which is characterized in that
The recording unit is additionally operable to the tracer signal quality corresponding period；
The query unit is specifically used for determining signal quality corresponding with current location information and current slot.
6. terminal device according to claim 4, which is characterized in that
The position acquisition unit, be additionally operable to the terminal device carry out cell switching it is signal quality measured before, obtain
Current geographic position and current slot；
The query unit is additionally operable to the signal quality according to the current geographic position and current slot inquiry record；
The terminal device further includes：
Transmission unit, for being sent to wireless access network equipment using the signal quality inquired in measurement report MR.
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|---|---|---|---|---|
| CN101187703A (en) * | 2006-11-20 | 2008-05-28 | 索尼株式会社 | Position information processing method, system and device, communication device and program |
| CN101931984A (en) * | 2009-06-18 | 2010-12-29 | 华为技术有限公司 | Method, user equipment and base station for drive test measurement |
| CN102291751A (en) * | 2010-06-18 | 2011-12-21 | 中兴通讯股份有限公司 | Road test result reporting optimization method, road test system and road test terminal |
| CN104584637A (en) * | 2012-06-27 | 2015-04-29 | 谷歌公司 | Measurement-based network selection |
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| WO2010099338A2 (en) * | 2009-02-25 | 2010-09-02 | Chaz Immendorf | Autonomously determining network capacity and load balancing amongst multiple network cells |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101187703A (en) * | 2006-11-20 | 2008-05-28 | 索尼株式会社 | Position information processing method, system and device, communication device and program |
| CN101931984A (en) * | 2009-06-18 | 2010-12-29 | 华为技术有限公司 | Method, user equipment and base station for drive test measurement |
| CN102291751A (en) * | 2010-06-18 | 2011-12-21 | 中兴通讯股份有限公司 | Road test result reporting optimization method, road test system and road test terminal |
| CN104584637A (en) * | 2012-06-27 | 2015-04-29 | 谷歌公司 | Measurement-based network selection |
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Address after: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee after: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. Address before: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee before: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. |
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