CN107404751A - Small region search method and device under more radio-frequency channels - Google Patents
Small region search method and device under more radio-frequency channels Download PDFInfo
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- CN107404751A CN107404751A CN201610338454.9A CN201610338454A CN107404751A CN 107404751 A CN107404751 A CN 107404751A CN 201610338454 A CN201610338454 A CN 201610338454A CN 107404751 A CN107404751 A CN 107404751A
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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
Abstract
The present invention relates to communication technical field, discloses the small region search method and device under a kind of more radio-frequency channels.In the present invention, several are used for the reception processing task of signal detection for the band configurations searched for as needed, and each reception processing task includes rf data and received and Digital Signal Processing；Before starting to perform reception processing task, respective radio-frequency channel is specified at least two reception processing tasks；When being completed a reception processing task, the radio-frequency channel of reception processing task occupancy is discharged, also, radio-frequency channel is specified for next reception processing task, until completing all reception processing tasks；The signal intensity detected according to reception processing task, gets persistent district.The present invention is compared with prior art so that multiple rf datas in cell searching are received and can performed simultaneously, so as to improve search efficiency, save cell search time.
Description
Technical field
The present invention relates to communication technical field, the small region search method under more particularly to a kind of more radio-frequency channels
And device.
Background technology
With the rapid development of communication technology, the transmission rate more and more higher of cellular mobile communication terminal UE.
Generally, when terminal is after power-up or entrance is without network state, cell searching can all be carried out.In cell
In search procedure, all frequency band frequencies that terminal can be supported it scan for, suitable small so as to find
It is resident in area.Terminal carries out the important indicator that cell searching required time is terminal, and its cell is searched
The rope time is more short better.
As shown in figure 1, by taking 4G-LTE standard terminals as an example, typical cell search algorithms include step
101 to step 105：
Step 101：The frequency band searched for as needed carries out coarse-grain frequency sweep, exports a series of small bandwidth
Signal.Exemplarily, all frequency bands for needing to search for can be divided into fixed size (such as 5MHz)
Sub-band, then coarse-grain frequency sweep is carried out to each sub-band in order, a series of small bandwidth letters of output
Number (such as 200kHz), and the small bandwidth signal of output is screened, sorted.
Step 102：The small bandwidth signal searched for as needed carries out fine granularity frequency sweep, and exports a system
The sufficiently strong carrier frequency point of column signal intensity.Such as can be by signal intensity order to filtering out small bandwidth
Signal carries out fine granularity frequency sweep, the sufficiently strong carrier frequency point of output a series of signal intensity.
Step 103：Judge whether to have traveled through all screening frequencies, i.e., one by one take out the signal filtered out
The sufficiently strong carrier frequency point of intensity.Exemplarily, the carrier frequency that all fine granularity frequency sweeps can be exported
Point, taken out one by one according to signal intensity is descending.If having traveled through all screening frequencies, terminate；
If not yet traveling through all screening frequencies, step 104 is performed.
Step 104：Cell detection is carried out to each carrier frequency point.Cell detection generally comprises：PSS
(Primary Synchronized Signal abbreviation, master sync signal) detection, SSS (Secondary
Synchronized Signal abbreviation, auxiliary synchronous signals) detect, MIB (Master Information
Block abbreviation, host system message block) detection.
Step 105：Judging whether to detect can persistent district.If detecting efficient cell, suspend
Execution cell detection flow (step 103 to step 105), while the high level of reporting terminal carries out this and had
Imitate cell whether the judgement that can be resident, if it is judged that the efficient cell can be resident, then terminate to search for.Such as
Fruit be not detected by can persistent district, then return to step 103.
From the small region search method, cell searching generally comprises multiple steps, even if using different
Cell search algorithms may cause cell searching to include different search steps, but anyway, each
The specific small step of small region search method is all received comprising multiple RF digitals and Digital Signal Processing, is used for
The signal intensity of the corresponding frequency band frequency of detection.It is convenient for subsequent descriptions, such one group of rf data is connect
Receive and Digital Signal Processing is referred to as a reception processing task.
Although the reception processing task for needing to perform can be reduced as far as possible by Optimizing Search strategy, algorithm
Quantity, so as to shorten cell search time, but as shown in Fig. 2 in existing small region search method,
When performing each reception processing task, when a reception processing task is performing on some radio-frequency channel,
Remaining reception processing task is then waited for, until the reception processing tasks carrying is completed and is discharged
When going out the radio-frequency channel of its occupancy, next reception processing task, i.e., current cell searching mistake are just performed
Cheng Zhong, terminal are singly to perform reception processing task according to the order of time order and function, and this causes
Cell searching may expend longer time and have influence on Consumer's Experience.
The content of the invention
It is an object of the invention to provide the small region search method and device under a kind of more radio-frequency channels so that
Multiple rf datas in cell searching are received and can performed simultaneously, so as to improve search efficiency, save it is small
The area searching time.
In order to solve the above technical problems, embodiments of the present invention provide it is small under a kind of more radio-frequency channels
Area searching method, is comprised the steps of：The band configurations searched for as needed several be used for signal detection
Reception processing task, each reception processing task include rf data receive and Digital Signal Processing；
Before starting to perform the reception processing task, specified at least two reception processing tasks respective
Radio-frequency channel；When being completed a reception processing task, reception processing task occupancy is discharged
Radio-frequency channel, also, for next reception processing task specify radio-frequency channel, until complete institute
Some reception processing tasks；The signal intensity detected according to the reception processing task, gets resident
Cell.
Embodiments of the present invention additionally provide the cell search apparatus under a kind of more radio-frequency channels, comprising：
Task configuration module, the receiving area that several are used for signal detection for the band configurations searched for as needed
Reason task；Each reception processing task includes rf data reception and Digital Signal Processing；Distribute mould
Block, for before starting to perform the reception processing task, being at least two reception processing tasks
Specify respective radio-frequency channel；Execution module, for performing the reception processing task；Release module,
For when being completed whenever a reception processing task, discharging the radio frequency of reception processing task occupancy
Passage；The distribute module is additionally operable to specify radio-frequency channel for next reception processing task, until
Complete all reception processing tasks；Resident module, for what is detected according to the reception processing task
Signal intensity, get persistent district.
Embodiment of the present invention in terms of existing technologies, when carrying out cell searching, is searched as needed
The multiple reception processing tasks for signal detection of band configurations of rope, and starting to perform reception processing times
Before business, as multiple pending reception processing tasks respectively specify that respective radio-frequency channel, so as to
Reception processing task is performed using multiple radio-frequency channels simultaneously.When being completed a reception processing task,
The radio-frequency channel of reception processing task occupancy is discharged, and is remaining pending reception processing task difference
Radio-frequency channel is specified, until completing all reception processing tasks, so as to realize that more radio frequencies using terminal lead to
Road performs reception processing task simultaneously, shortens in cell searching the time required to signal strength detection.
Preferably, described is the step of at least two reception processing tasks specify respective radio-frequency channel
In, include following sub-step：The radio-frequency channel number N of terminal is obtained, the N is the nature more than 1
Number；Respective radio-frequency channel is respectively specified that for N number of reception processing task, wherein, it is described N number of to connect
Processing task is received to correspond with N number of radio-frequency channel.By utilizing more radio-frequency channels as much as possible
Rf data reception is performed simultaneously, so as to shorten cell search time as far as possible.
Preferably, described the step of respectively specifying that respective radio-frequency channel for N number of reception processing task
In, comprise the steps of：Detect the reception frequency that each radio-frequency channel is supported；According to the radio-frequency channel branch
The reception frequency held, N number of radio-frequency channel is respectively assigned to N number of reception processing task.It is logical
Cross and detect the reception frequency that each radio-frequency channel is supported, so as to the reception frequency supported according to each radio-frequency channel
Point specifies reception processing task to each radio-frequency channel, ensures multiple reception processing tasks while is penetrated using multiple
Frequency passage performs rf data and received.
Preferably, inquiry it is current whether available free radio-frequency channel；The free time is there is currently if inquired
Radio-frequency channel, then judge the frequency corresponding to next reception processing task, if be the free time
Radio-frequency channel support frequency；If it is determined that result is yes, then the idle radio-frequency channel is specified
To next reception processing task.So as to whenever the radio frequency that one reception processing task of release takes
During passage, i.e., the reception processing task of its support is specified for the radio-frequency channel immediately, makes full use of more radio frequencies
Passage performs reception processing task.
Preferably, if frequency corresponding to next reception processing task, not to be described idle
The frequency that radio-frequency channel is supported, then in the reception processing task not started, select a receiving area
Reason task, wherein, the frequency corresponding to the reception processing task of the selection, it is the idle radio frequency
The frequency that passage is supported；The idle radio-frequency channel is assigned to the reception processing task of the selection.
So as to avoid radio-frequency channel idle, more radio-frequency channel resources are effectively made full use of to unfinished reception processing
Task carries out rf data reception, improves cell searching efficiency.
Preferably, the inquiry it is current whether available free radio-frequency channel the step of in, respectively penetrated by detection
The flag bit for being used to identify seizure condition of frequency passage judges currently whether there is the idle radio-frequency channel.
So as to efficiently manage, utilize more radio-frequency channel resources.
Brief description of the drawings
Fig. 1 is the flow chart according to the small region search method of prior art；
Fig. 2 is that the execution sequential of multiple reception processing tasks in the small region search method according to prior art is shown
It is intended to；
Fig. 3 is the flow according to the small region search method under the more radio-frequency channels of first embodiment of the invention
Figure；
Fig. 4 is illustrated according to the execution sequential of multiple reception processing tasks of first embodiment of the invention
Figure；
Fig. 5 is to be resident the multiple reception processing tasks of detection-phase according to the cell of first embodiment of the invention
Execution time diagram；
Fig. 6 is the structural frames according to the cell search apparatus under the more radio-frequency channels of second embodiment of the invention
Figure.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to this hair
Bright each embodiment is explained in detail.However, it will be understood by those skilled in the art that
In each embodiment of the present invention, in order that reader more fully understands the application and to propose many technologies thin
Section.But even if without these ins and outs and many variations based on following embodiment and modification,
Each claim of the application technical scheme claimed can also be realized.
Generally, terminal start shooting or enter without network state when, it is necessary to carry out cell searching.Cell is searched
Rope needs to detect the carrier frequency point that signal intensity is sufficiently strong, and travels through the carrier frequency point detected, carries out
The resident detection of cell, when detecting the cell that can be resident, exits search, carries out cell and is resident.This hair
Bright core concept is, in each step stage of cell searching, for all receptions configured
Processing task, utilize more radio-frequency channels of terminal so that in each reception processing task at least two simultaneously
Rf data reception is carried out using respective radio-frequency channel, that is, is included in the terminal of more radio-frequency channels at least
There are two radio-frequency channels to simultaneously participate in rf data reception, so as to accelerate signal detection, improve cell
Search efficiency, shorten cell search time.
The first embodiment of the present invention is related to the small region search method under a kind of more radio-frequency channels, exemplary
Ground, enter with reference to the typical small region search method of the terminal for including more radio-frequency channels of 4G-LTE standards
Row explanation., can be using the cell searching of present embodiment in the coarse-grain frequency sweep stage of cell searching
Method, idiographic flow is as shown in figure 3, the small region search method under more radio-frequency channels includes step 30
To step 33：
Step 30：Configure several reception processing tasks for being used for signal detection, each reception processing task
Include rf data reception and Digital Signal Processing.Exemplarily, the frequency band that can be searched for as needed
Multiple reception processing tasks are configured using the method for prior art, are no longer described herein.
Step 31：Respective radio-frequency channel is specified at least two reception processing tasks.Step 31 includes
Sub-step 310 is to sub-step 311：
Sub-step 310：Obtain the radio-frequency channel number N of terminal.Prior art can be used in this step
In method obtain terminal radio-frequency channel number, in the terminal for including more radio-frequency channels, get
Radio-frequency channel number be specifically as follows two, three etc..
Sub-step 311：Respective radio-frequency channel, N number of reception are respectively specified that for N number of reception processing task
Processing task is corresponded with N number of radio-frequency channel, and multiple radio-frequency channels that as terminal includes are distributed respectively
Respective reception processing task.
In actual applications, appoint to disposably divide equally as much as possible for each radio-frequency channel with reception processing
Business, it can first detect the reception frequency that each radio-frequency channel is supported.Multiple radio-frequency channels of terminal are carried out simultaneously
When rf data receives, some radio-frequency channel may not allow to work in some frequencies, therefore in this step,
The reception frequency that each radio-frequency channel is supported is detected in advance, and method of the prior art detection can be used each
The frequency that radio-frequency channel is supported, here is omitted.Then the reception frequency supported according to radio-frequency channel,
N number of radio-frequency channel is respectively assigned to N number of reception processing task.It is assigned to respectively by each radio-frequency channel
During individual reception processing task, the flag bit of the radio-frequency channel is provided for indicate occupied numerical value,
Exemplarily, it can represent that the radio-frequency channel is occupied using numerical value " 1 ".
Step 22：Start to perform N number of reception processing task.Now, N number of reception processing task exists
Started simultaneously on N number of radio-frequency channel and carry out rf data reception, and number is completed in the rf data received
Word signal transacting, when obtaining signal intensity, the radio-frequency channel of reception processing task occupancy is discharged, simultaneously
The flag bit of the radio-frequency channel is provided for the idle numerical value of instruction, such as numerical value " 0 ".
Step 33：The reception processing task not started for residue respectively specifies that respective radio-frequency channel, until
Complete all reception processing tasks.Exemplarily, step 33 is specifically comprising sub-step 330 to sub-step
335：
Sub-step 330：Inquiry it is current whether available free radio-frequency channel, if there is currently penetrating for free time
Frequency passage, then into step 331, otherwise continue waiting for, until there is idle radio-frequency channel.Can be with
Judge whether radio-frequency channel is idle by the numerical value for the flag bit for inquiring about radio-frequency channel, in present embodiment,
When it is " 0 " to inquire the numerical value of flag bit of radio-frequency channel, then it represents that the radio-frequency channel is penetrated for idle
Frequency passage.
Sub-step 333：Judge the frequency corresponding to next reception processing task, if penetrate for idle
The frequency that frequency passage is supported.If it is, continue executing with step 332, if it is not, then into step
333。
Sub-step 332：The radio-frequency channel of free time is assigned to next reception processing task.
Sub-step 333：A reception processing task is selected in the reception processing task not started.
Sub-step 334：The radio-frequency channel of free time is assigned to the reception processing task of selection, the selection
Frequency corresponding to reception processing task, the frequency supported for the idle radio-frequency channel.
Sub-step 335：Determine whether that reception processing task is not yet designated radio-frequency channel.It is if all
The executed of reception processing task complete, then terminate, if still there is reception processing task not start, return
Return sub-step 330.
The step of respective radio-frequency channel is respectively specified that for the remaining reception processing task not started in step 33
In rapid, when next reception processing task is assigned to some radio-frequency channel, then this is referred to simultaneously
The flag bit of fixed radio-frequency channel is arranged to numerical value " 1 ", and immediately begins to perform the reception processing task,
When the reception processing task is completed, the radio-frequency channel of its occupancy is discharged, and by the mark of the radio-frequency channel
Position is arranged to numerical value " 0 ".Therefore, the remaining reception processing task not started is continuously distributed to
Idle radio-frequency channel, and multiple radio-frequency channels of terminal perform the reception processing being individually assigned to and appointed simultaneously
Business, until completing all reception processing tasks.As shown in figure 4, to configure in present embodiment
The execution timing diagram of multiple reception processing tasks.Assuming that terminal includes 2 radio-frequency channels, by step 31
To step 33, then it may be such that multiple reception processing tasks (f0, f1, f2, f3, f4 etc.) can utilize
2 radio-frequency channels (radio-frequency channel 1 and radio-frequency channel 2) of terminal perform simultaneously, and due to numeral
The time of signal transacting is less than the time that rf data receives, so being received by shortening overall rf data
Time can effectively improve cell searching efficiency, shorten cell search time.
From step 33, in the present embodiment, simply by the presence of the radio-frequency channel of free time, and still have
The reception processing task not started, then the frequency that can be supported according to the idle radio-frequency channel, as far as possible from
Reception processing task is distributed for the idle radio-frequency channel in the reception processing task not started, realizes radio frequency
Channel resource makes full use of.
Therefore, in the coarse-grain frequency sweep stage of cell searching, searched by the cell for performing present embodiment
Suo Fangfa, the time needed for the signal detection of small bandwidth signal can be shortened.In the fine grained of cell searching
The frequency sweep stage is spent, again may be by performing the small region search method of present embodiment, shorten for cell
It is resident the screening time of the sufficiently strong carrier frequency point of the signal intensity detected.And detection-phase is resident in cell,
The small region search method of present embodiment can be equally performed, i.e., is detected according to reception processing task each
The signal intensity of carrier frequency point, get the cell that can be resident.It should be noted that in the resident inspection of cell
In the survey stage, when detecting efficient cell, then need to suspend the execution of reception processing task, such as Fig. 5
It is shown, when detecting efficient cell in frequency f1, then suspend reception processing corresponding to frequency f2, f3 and appoint
The execution of business, using dotted box show to suspend in Fig. 5 perform reception processing task time frequency point f2,
F3 execution sequential.Simultaneously reporting terminal high level carry out the efficient cell whether the judgement that can be resident, such as
Fruit judges that the efficient cell can be resident, then terminates to search for.If the efficient cell can not be resident, after
It is continuous to perform the resident detection of cell, until completing all reception processing tasks.
Therefore, present embodiment is for the multiple frequency bands for needing to carry out in cell search process, the letter of frequency
Number detection is time-consuming longer, the problem of influenceing search time, is held simultaneously by using more radio-frequency channels of terminal
Row rf data receives so that is reduced the time required to signal detection, so as to improve cell searching speed.
In addition, present embodiment is small for the algorithm of prior art cell searching and strategy influence, suitable for difference
The extension of cell search algorithms, strategy.Also, present embodiment has not only effectively cleared away reception processing
The obstacle that may be present do not supported between task and radio-frequency channel, and radio-frequency channel money is avoided simultaneously
Leaving unused for source, realizes making full use of for radio-frequency channel resource.
The step of various methods are divided above, are intended merely to describe clear, and one is can be merged into when realizing
Step is split to some steps, is decomposed into multiple steps, as long as comprising identical logical relation,
All in the protection domain of this patent；To inessential modification is either added in algorithm in flow or is drawn
Enter inessential design, but do not change the core design of its algorithm and flow all in the protection model of the patent
In enclosing.
Second embodiment of the present invention is related to the cell search apparatus under a kind of more radio-frequency channels.Such as Fig. 6
Shown, the cell search apparatus under more radio-frequency channels includes：Task configuration module, distribute module, hold
Row module, release module and resident module.
Specifically, task configuration module is used for the band configurations searched for as needed several is used for signal
The reception processing task of detection.Each reception processing task includes rf data reception and Digital Signal Processing.
Distribute module includes：Air conduct measurement submodule, original allocation submodule.Original allocation submodule is used
In before starting to perform reception processing task, respective radio frequency is specified at least two reception processing tasks
Passage.Specifically, Air conduct measurement submodule is used to obtaining the radio-frequency channel number N of terminal, N be more than
1 natural number.For supporting the terminal of more radio-frequency channels, N such as can be 2.Original allocation
Module includes frequency detection sub-unit.Frequency detection sub-unit is got for sense channel detection sub-unit
Each radio-frequency channel support reception frequency, original allocation submodule be used for according to frequency detection sub-unit examine
The reception frequency that each radio-frequency channel surveyed is supported, N number of radio-frequency channel that Air conduct measurement submodule is obtained point
N number of reception processing task is not assigned to.
Execution module, each reception processing for having been assigned to each radio-frequency channel by distribute module for performing are appointed
Business.
Release module, for when being completed a reception processing task performed by execution module, discharging
The radio-frequency channel that the reception processing task takes.
Distribute module also includes：Inquire about submodule, judging submodule and continue distribution sub module.Continue
Distribution sub module includes selection subelement.Inquiry submodule is used to inquire about currently whether available free radio frequency to lead to
Road.Specifically, inquire about submodule by detect each radio-frequency channel be used for identify the flag bit of seizure condition
Judge it is current whether available free radio-frequency channel.Judging submodule is used to inquire currently in inquiry submodule
During in the presence of idle radio-frequency channel, the frequency corresponding to next reception processing task is judged, if to be somebody's turn to do
The frequency that idle radio-frequency channel is supported.It is next for judging in judging submodule to continue distribution sub module
During the frequency that the frequency corresponding to individual reception processing task is supported for the idle radio-frequency channel, by the free time
Radio-frequency channel is assigned to next reception processing task.Selection subelement is used to judge in judging submodule
When frequency corresponding to next reception processing task is not the frequency that the idle radio-frequency channel is supported,
In the reception processing task not started, a reception processing task is selected.The reception processing task institute of selection
Corresponding frequency, the frequency supported for idle radio-frequency channel.Continue distribution sub module to be additionally operable to the free time
Radio-frequency channel be assigned to selection subelement selection reception processing task.
Resident module, for the signal intensity detected according to reception processing task, gets persistent district.
It is seen that present embodiment is the device embodiment corresponding with first embodiment, this implementation
Mode can work in coordination implementation with first embodiment.The relevant technical details mentioned in first embodiment
In the present embodiment still effectively, in order to reduce repetition, repeat no more here.Correspondingly, this implementation
The relevant technical details mentioned in mode are also applicable in first embodiment.
It is noted that each module involved in present embodiment is logic module, in reality
In, a logic unit can be one of a physical location or a physical location
Point, it can also be realized with the combination of multiple physical locations.In addition, in order to protrude the innovative part of the present invention,
Not by the unit less close with solving technical problem relation proposed by the invention in present embodiment
Introduce, but this is not intended that in present embodiment and other units are not present.
It will be understood by those skilled in the art that the respective embodiments described above are to realize that the present invention's is specific
Embodiment, and in actual applications, can to it, various changes can be made in the form and details, without inclined
From the spirit and scope of the present invention.
Claims (13)
1. the small region search method under a kind of more radio-frequency channels, it is characterised in that comprise the steps of：
Several are used for the reception processing task of signal detection to the band configurations searched for as needed, described each
Reception processing task includes rf data reception and Digital Signal Processing；
Before starting to perform the reception processing task, specified at least two reception processing tasks
Respective radio-frequency channel；
When being completed a reception processing task, the radio frequency for discharging reception processing task occupancy leads to
Road, also, radio-frequency channel is specified for next reception processing task, until completing all receptions
Processing task；
The signal intensity detected according to the reception processing task, gets persistent district.
2. the small region search method under more radio-frequency channels according to claim 1, it is characterised in that
Described is in the step of at least two reception processing tasks specify respective radio-frequency channel, comprising following
Sub-step：
The radio-frequency channel number N of terminal is obtained, the N is the natural number more than 1；
Respective radio-frequency channel is respectively specified that for N number of reception processing task, wherein, it is described N number of
Reception processing task corresponds with N number of radio-frequency channel.
3. the small region search method under more radio-frequency channels according to claim 2, it is characterised in that
It is described for N number of reception processing task respectively specify that respective radio-frequency channel the step of in, comprising with
Lower step：
Detect the reception frequency that each radio-frequency channel is supported；
The reception frequency supported according to the radio-frequency channel, N is respectively assigned to by N number of radio-frequency channel
The individual reception processing task.
4. the small region search method under more radio-frequency channels according to claim 1, it is characterised in that
In described the step of specifying radio-frequency channel for next reception processing task, following sub-step is included：
Inquiry it is current whether available free radio-frequency channel；
If inquiring the radio-frequency channel that there is currently the free time, next reception processing task is judged
Corresponding frequency, if the frequency supported for the idle radio-frequency channel；
If it is determined that result is yes, then the idle radio-frequency channel is assigned to next receiving area
Reason task.
5. the small region search method under more radio-frequency channels according to claim 4, it is characterised in that
Also include：
It is not the idle radio-frequency channel if the frequency corresponding to next reception processing task
The frequency of support, then in the reception processing task not started, a reception processing task is selected,
Wherein, the frequency corresponding to the reception processing task of the selection, supported for the idle radio-frequency channel
Frequency；
The idle radio-frequency channel is assigned to the reception processing task of the selection.
6. the small region search method under more radio-frequency channels according to claim 4, it is characterised in that
The inquiry it is current whether available free radio-frequency channel the step of in, by detecting being used for for each radio-frequency channel
The flag bit of mark seizure condition judges currently whether there is the idle radio-frequency channel.
7. the small region search method under more radio-frequency channels according to claim 6, it is characterised in that
Also comprise the steps of：
When the radio-frequency channel is assigned into the reception processing task, by the mark of the radio-frequency channel
Will position is provided for indicating occupied numerical value；
When discharging the radio-frequency channel that the reception processing task takes, by the mark of the radio-frequency channel
Position is provided for the idle numerical value of instruction.
8. the cell search apparatus under a kind of more radio-frequency channels, it is characterised in that include：
Task configuration module, for the band configurations searched for as needed, several are used for connecing for signal detection
Receive processing task；Each reception processing task includes rf data reception and Digital Signal Processing；
Distribute module, for before starting to perform the reception processing task, being to be connect described at least two
Receive processing task and specify respective radio-frequency channel；
Execution module, for performing the reception processing task；
Release module, for when being completed whenever a reception processing task, discharging the reception processing
The radio-frequency channel that task takes；
The distribute module is additionally operable to specify radio-frequency channel for next reception processing task, until complete
Into all reception processing tasks；
Resident module, for the signal intensity detected according to the reception processing task, gets resident
Cell.
9. the cell search apparatus under more radio-frequency channels according to claim 8, it is characterised in that
The distribute module includes：Air conduct measurement submodule and original allocation submodule；
The Air conduct measurement submodule is used for the radio-frequency channel number N for obtaining terminal, and the N is more than 1
Natural number；
The original allocation submodule is used to respectively specify that respective penetrate for N number of reception processing task
Frequency passage, wherein, N number of reception processing task corresponds with N number of radio-frequency channel.
10. the cell search apparatus under more radio-frequency channels according to claim 9, it is characterised in that
The original allocation submodule includes：Frequency detection sub-unit, supported for detecting each radio-frequency channel
Reception frequency；
The original allocation submodule is used for each radio-frequency channel detected according to the frequency detection sub-unit
The reception frequency of support, N number of radio-frequency channel is respectively assigned to N number of reception processing task.
11. the cell search apparatus under more radio-frequency channels according to claim 9, it is characterised in that
The distribute module also includes：Inquire about submodule, judging submodule and continue distribution sub module；
The inquiry submodule be used to inquiring about it is current whether available free radio-frequency channel；
The judging submodule be used for it is described inquiry submodule inquire there is currently free time radio frequency lead to
During road, the frequency corresponding to next reception processing task is judged, if lead to for the idle radio frequency
The frequency that road is supported；
The continuation distribution sub module is used to judge next receiving area in the judging submodule
During the frequency that the frequency corresponding to reason task is supported for the idle radio-frequency channel, by the idle radio frequency
Passage is assigned to next reception processing task.
12. the cell search apparatus under more radio-frequency channels according to claim 11, its feature exist
In,
The continuation distribution sub module is also comprising selection subelement；
The selection subelement is used to judge that next reception processing is appointed in the judging submodule
During the frequency that the corresponding frequency of business is not supported for the idle radio-frequency channel, then connect described in do not start
Receive in processing task, select a reception processing task；Wherein, the reception processing task institute of the selection
Corresponding frequency, the frequency supported for the idle radio-frequency channel；
The continuation distribution sub module is additionally operable to the idle radio-frequency channel being assigned to selection
The reception processing task of Unit selection.
13. the cell search apparatus under more radio-frequency channels according to claim 11, its feature exist
In the inquiry submodule is judged by detecting the flag bit for being used to identify seizure condition of each radio-frequency channel
Currently whether there is the idle radio-frequency channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610338454.9A CN107404751B (en) | 2016-05-19 | 2016-05-19 | Cell searching method and device under multiple radio frequency channels |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610338454.9A CN107404751B (en) | 2016-05-19 | 2016-05-19 | Cell searching method and device under multiple radio frequency channels |
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| Publication Number | Publication Date |
|---|---|
| CN107404751A true CN107404751A (en) | 2017-11-28 |
| CN107404751B CN107404751B (en) | 2020-05-08 |
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| CN101667960A (en) * | 2008-09-04 | 2010-03-10 | 中兴通讯股份有限公司 | Wireless access network system, terminal, data transmission method, and method for dispatching terminal |
| CN102017464A (en) * | 2008-03-14 | 2011-04-13 | Lg电子株式会社 | Method for channel allocating in wireless access system |
| US20110267955A1 (en) * | 2010-05-03 | 2011-11-03 | Nokia Corporation | Monitoring pattern separation between component carriers based on user equipment RF layout |
| CN105451305A (en) * | 2014-09-01 | 2016-03-30 | 上海摩波彼克半导体有限公司 | Cell search system and method, and mobile terminal |
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| CN1086654A (en) * | 1992-10-16 | 1994-05-11 | 北方电讯有限公司 | The low-power wireless system that is used for telephone service |
| CN102017464A (en) * | 2008-03-14 | 2011-04-13 | Lg电子株式会社 | Method for channel allocating in wireless access system |
| CN101667960A (en) * | 2008-09-04 | 2010-03-10 | 中兴通讯股份有限公司 | Wireless access network system, terminal, data transmission method, and method for dispatching terminal |
| US20110267955A1 (en) * | 2010-05-03 | 2011-11-03 | Nokia Corporation | Monitoring pattern separation between component carriers based on user equipment RF layout |
| CN105451305A (en) * | 2014-09-01 | 2016-03-30 | 上海摩波彼克半导体有限公司 | Cell search system and method, and mobile terminal |
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