CN101136691A - Cell searching method and system - Google Patents
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- CN101136691A CN101136691A CNA2006101505297A CN200610150529A CN101136691A CN 101136691 A CN101136691 A CN 101136691A CN A2006101505297 A CNA2006101505297 A CN A2006101505297A CN 200610150529 A CN200610150529 A CN 200610150529A CN 101136691 A CN101136691 A CN 101136691A
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Abstract
This invention provides a search method and a system for local areas in a mobile system, in which, the method includes: applying for a time slot synchronization resource to match with related parameters, generating a result after the synchronous operation and sequencing the peak values of the synchronization, taking out multiple peak values and their position offsets and releasing the time slot synchronization resource, applying for a synchronization resource of two frames or an identification resource of a scrambling code set, setting related parameters, searching the multiple peak values and their offsets of the time slot synchronization, in which, the search result is the frame synchronization point and scrambling code set and then releasing related resource after the search, and applying for an identifying resource of scrambling codes setting parameters in the last step to search for the scrambling code and releasing the resource after the search so as to realize operations of time slot synchronization, frame synchronization, identification of scrambling code sets and identification of scrambling codes simultaneously.
Description
Technical field
The present invention relates to a kind of small region search method and system of wireless communication field, more specifically, relate to small region search method and system in a kind of WCDMA (Wideband Code Division Multiple Access (WCDMA)) mobile communication system.
Background technology
Since the eighties, people are applied to moving communicating field with code division multiple access (CDMA) technology, because its frequency efficiency height, characteristics such as antijamming capability is strong become a kind of mobile communication standard with vitality and application prospect rapidly.At present attentiveness has in the world all focused on the 3-G (Generation Three mobile communication system), such as the international mobile communication system (IMT-2000) in 2000 of International Telecommunication Association (ITU) or the mobile communication system (UMTS) in Europe.In 3-G (Generation Three mobile communication system), adopt CDMA technology to also become a kind of common recognition, wherein, WCDMA has received great concern as one of important aspect of air interface.
In WCDMA, subscriber equipment (UE) carries out the Cell searching step that is absolutely necessary.Because in present WCDMA agreement, all there is reference time separately each sub-district, is asynchronous between each cell base station NodeB, UE does not have prior information when Cell searching, so WCDMA has introduced complicated synchronizing channel and algorithm.
The information of three physical channels of cell search process, these three physical channels are respectively CPICH (Common Pilot Channel), SCH (synchronizing channel) and P-CCPCH (Primary Common Control Physical Channel), and wherein first three step is only handled the information of CPICH and two physical channels of SCH.SCH is made up of P-SCH (primary synchronization channel) and S-SCH (from synchronizing channel).
The agreement regulation, Cell searching mainly is made up of following three steps:
(1) UE search P-SCH selects the strongest signal foundation and the chip synchronization and the slot synchronization of sub-district.
(2) UE search S-SCH extracts the scrambler group number of frame synchronization and sub-district from synchronous order.According to the WCDMA agreement, 512 all main scramblers are divided into 64 groups, every group comprises 8 main scramblers.
(3) on Common Pilot Channel (CPICH) finds out main scrambler by the main scrambler in the current scrambler group is carried out related operation, thus the search procedure of finishing.
Because the correlation of the slot synchronization of Cell searching, frame synchronization and the identification of scrambler group, scrambler identification life period.Therefore, small region search method at present comparatively commonly used is that single subdistrict is carried out Cell searching, and then after the system synchronization, the decoding broadcast channel obtains the information of relevant adjacent area from system information, and length and the efficient of searching for are lower Sou Suo time like this.
For the hardware resource of better utilization terminal,, can allow slot synchronization, frame synchronization and the identification of scrambler group, scrambler discern parallel running, thereby improve search efficiency a plurality of Cell searchings.
Summary of the invention
Main purpose of the present invention is to provide small region search method and the system in a kind of mobile system, is used to overcome long and search efficiency search time that the defective owing to prior art causes problem such as low.
Adopted 4 cover resources among the present invention:
The first cover resource: slot synchronization resource;
The second cover resource: frame synchronization and scrambler group recognition resource A;
The 3rd cover resource: frame synchronization and scrambler group recognition resource B; And
Quadruplet resource: scrambler recognition resource.
Because synchronously and scrambler group when to discern the time of being disposed generally be 2 times of time that slot synchronization disposed by emulation frame, the performance of search can be than higher, so in order to reach the purpose of slot synchronization, frame synchronization and scrambler group identification parallel running, the present invention has adopted two cover frame synchronization and scrambler group recognition resources.
Because there are some shared circuit (such as correlator, rotation compensation, power back-off, work Ram) in the scrambler recognition resource with frame synchronization and scrambler group recognition resource A on circuit logic, on the circuit algorithm, done corresponding optimization, reduced the partial circuit logic, frame synchronization and scrambler group recognition resource A and scrambler recognition resource can not parallel runnings like this; General scrambler identification only needs the several time slots of configuration, and the serial operation of scrambler identification and frame synchronization and scrambler identification A is little to the systematic function influence; But frame synchronization and scrambler recognition resource B can with the parallel running of scrambler recognition resource.
In view of above-mentioned, in order to realize the purpose of parallel search, one aspect of the present invention provides the small region search method in a kind of mobile system, and it may further comprise the steps: step S102, application slot synchronization resource, the configuration relevant parameter, slot synchronization arrives running time, produces the slot synchronization result, and the peak value of slot synchronization is sorted, take out the skew of a plurality of peak values and peak, discharge the slot synchronization resource simultaneously; Step S104, according to one in two frame synchronization of pre-defined rule application and the scrambler group recognition resource, result according to step S102 is provided with relevant parameter, a plurality of peak values and peak skew to slot synchronization are searched for respectively, the result of search is frame synchronization time point and scrambler group, discharges corresponding resource after search is finished; And step S106, application scrambler recognition resource is arranged on the parameter that is produced among the step S104, and the search scrambler discharges corresponding resource after search is finished.
Pre-defined rule in above-mentioned small region search method is: if at first applied in two frame synchronization and the scrambler group recognition resource one, peak value to slot synchronization is dispatched, then just apply in two frame synchronization and the scrambler group recognition resource another next time, the next peak value of slot synchronization is dispatched.
In above-mentioned small region search method, in each dispatching cycle,, select a peak value to carry out the scheduling of frame synchronization and the identification of scrambler group to the peak value that does not also have scheduling with reference to the peakdeviation of slot synchronization.
In above-mentioned small region search method,, then when reporting the upper strata, need abandon if the scrambler that searches is many warps of Cell searching.
In above-mentioned small region search method, if the scrambler that the searches known scrambler that is the upper strata then need abandon when reporting the upper strata.
In above-mentioned small region search method, in dispatching cycle, once dispatch the Cell searching message that the upper strata does not also have to handle.
In above-mentioned small region search method, if when the application resource, resource is occupied, then will wait until and this resource be applied for next dispatching cycle again.
In above-mentioned small region search method, be set to be less than or equal to the time span of scrambler recognition resource operation dispatching cycle.
Another aspect of the present invention provides the cell searching system in a kind of mobile system, it comprises: the slot synchronization device, be used to dispose relevant parameter, slot synchronization running time then, produce the result of slot synchronization, and the peak value of slot synchronization sorted, take out the skew of a plurality of peak values and peak, discharge the slot synchronization resource simultaneously; Two frame synchronization and scrambler group recognition device, result according to the slot synchronization device is provided with relevant parameter, a plurality of peak values and peak skew to slot synchronization are searched for respectively, and Search Results is frame synchronization time point and scrambler group, discharges corresponding resource after search is finished; And the scrambler recognition device, be used for being arranged on the parameter that two frame synchronization and scrambler group recognition device are produced, the search scrambler, the corresponding resource of back release is finished in search.
According to embodiments of the invention, pre-defined rule refers to: if at first applied in two frame synchronization and the scrambler group recognition resource one, peak value to slot synchronization is dispatched, then just apply in two frame synchronization and the scrambler group recognition resource another next time, the next peak value of slot synchronization is dispatched.
According to embodiments of the invention, in each dispatching cycle,, select a peak value to carry out the scheduling of frame synchronization and the identification of scrambler group to the peak value that does not also have scheduling with reference to the peakdeviation of slot synchronization.
According to embodiments of the invention, in the scrambler recognition device,, then when reporting the upper strata, need abandon if the scrambler that searches is many warps of Cell searching.
According to embodiments of the invention, in the scrambler recognition device, if the scrambler that the searches known scrambler that is the upper strata then need abandon when reporting the upper strata.
According to embodiments of the invention, in dispatching cycle, once dispatch the Cell searching message that the upper strata does not also have to handle.
According to embodiments of the invention, if when the application resource, resource is occupied, then will wait until and resource be applied for next dispatching cycle again.
According to embodiments of the invention, be set to be less than or equal to the time span of scrambler recognition resource operation dispatching cycle.
By above-mentioned technical scheme, can realize the parallel running of two frame synchronization and scrambler group resource, can also realize the parallel running of a frame synchronization and scrambler group resource and scrambler recognition resource simultaneously.
To the round-robin scheduling of small region search method step, can make slot synchronization resource and other resource parallel runnings, may make four kinds of resource parallel runnings at most, thereby improve Cell searching efficient.
For simplicity, suppose that slot synchronization is 32 time slots, frame synchronization and scrambler group are identified as 64 time slots, and scrambler is identified as 8 time slots, and the peak value of each slot synchronization all is a sub-district.If adopt the mode of serial then search for (can save frame synchronization and scrambler group recognition resource B this moment), then searching for a sub-district needs 32+64+8=104 time slot; If adopt parallel mode to search for, search for 4 sub-districts, need 192 time slots altogether, so average each Cell searching only needs 48 time slots.Therefore, use the present invention greatly to improve the efficient of Cell searching.
Description of drawings
Fig. 1 shows the flow chart according to the small region search method in the mobile system of the present invention;
Fig. 2 shows the block diagram according to the cell searching system in the mobile system of the present invention;
Fig. 3 shows the parallel running sequential chart according to 4 sub-districts of cell searching system parallel search of first embodiment of the invention; And
Fig. 4 shows the sequential chart that has sequential to run simultaneously and move according to 4 sub-districts of cell searching system parallel search of second embodiment of the invention.
Embodiment
Below with reference to accompanying drawing embodiments of the invention are described.
As shown in Figure 1, comprise step S102 according to the small region search method in the mobile system of the present invention, application slot synchronization resource, the configuration relevant parameter, slot synchronization arrives running time, produces the slot synchronization result, and the peak value of slot synchronization is sorted, take out the skew of a plurality of peak values and peak, discharge the slot synchronization resource simultaneously.
In addition, also comprise step S104, according to one in two frame synchronization of pre-defined rule application and the scrambler group recognition resource, result according to step S102 is provided with relevant parameter, a plurality of peak values and peak skew to slot synchronization are searched for respectively, the result of search is frame synchronization time point and scrambler group, discharges corresponding resource after search is finished.
Wherein, pre-defined rule refers to, if at first applied in two frame synchronization and the scrambler group recognition resource one, the peak value of slot synchronization is dispatched, then just apply in two frame synchronization and the scrambler group recognition resource another next time, the next peak value of slot synchronization is dispatched.In each dispatching cycle,, select a peak value to carry out the scheduling of frame synchronization and the identification of scrambler group to the peak value that does not also have scheduling with reference to the peakdeviation of slot synchronization.
At last, comprise step S106, application scrambler recognition resource is arranged on the parameter that is produced among the step S104, and the search scrambler discharges corresponding resource after search is finished.
Wherein, if when the application resource, this resource is occupied, will wait until so and resource be dispatched next dispatching cycle again.And, if the scrambler that is searched is many warps of search cell, when reporting the upper strata, need abandon so, in addition, if the scrambler that the searches known scrambler that is the upper strata then need abandon when reporting the upper strata.In each dispatching cycle,, select a peak value to carry out the scheduling of frame synchronization and the identification of scrambler group to the peak value that does not also have scheduling with reference to the peakdeviation of slot synchronization.Be set to be less than or equal to the time span of scrambler recognition resource operation this dispatching cycle.
As shown in Figure 2, comprise slot synchronization device 202 according to the cell searching system in the mobile system of the present invention 200, be used to dispose relevant parameter, slot synchronization running time then, produce the result of slot synchronization, and the peak value of slot synchronization sorted, take out the skew of a plurality of peak values and peak, discharge the slot synchronization resource simultaneously.
In addition, cell searching system 200 also comprises two frame synchronization and scrambler group recognition device 204, result according to slot synchronization device 202 is provided with relevant parameter, a plurality of peak values and peak skew to slot synchronization are searched for respectively, Search Results is frame synchronization time point and scrambler group, discharges corresponding resource after search is finished.
Wherein, above-mentioned pre-defined rule refers to, if at first applied in two frame synchronization and the scrambler group recognition resource, peak value to slot synchronization is dispatched, then just apply in two frame synchronization and the scrambler group recognition resource another next time, the next peak value of slot synchronization is dispatched.In each dispatching cycle,, select a peak value to carry out the scheduling of frame synchronization and the identification of scrambler group to the peak value that does not also have scheduling with reference to the peakdeviation of slot synchronization.
At last, cell searching system 200 comprises scrambler recognition device 206, is used for being arranged on the parameter that two frame synchronization and scrambler group recognition device 204 are produced, the search scrambler, and the corresponding resource of back release is finished in search.Wherein, if when the application resource, this resource is occupied, will wait until so and resource be dispatched next dispatching cycle again.And, if the scrambler that is searched is many warps of search cell, when reporting the upper strata, need abandon so, in addition, if the scrambler that the searches known scrambler that is the upper strata then need abandon when reporting the upper strata.In each dispatching cycle,, select a peak value to carry out the scheduling of frame synchronization and the identification of scrambler group to the peak value that does not also have scheduling with reference to the peakdeviation of slot synchronization.Be set to be less than or equal to the time span of scrambler recognition resource operation this dispatching cycle.
At above-mentioned device, binding one cover small region search method, Here it is cell searching system.A plurality of Cell searching message that this system can come the upper strata are simultaneously searched for, and have improved the efficient of Cell searching.
Fig. 3 shows the parallel running sequential chart according to 4 sub-districts of cell searching system 200 parallel searches of first embodiment of the invention, and wherein, transverse axis is the time, and the longitudinal axis is the Cell searching resource.
Below with reference to Fig. 1 process shown in Figure 3 is described, wherein, Fig. 3 process is that the expansion of Fig. 1 process is described.
As shown in Figure 1, step S102, application slot synchronization resource, the configuration relevant parameter, slot synchronization arrives running time, produces the slot synchronization result, and the peak value of slot synchronization sorted, take out the skew of a plurality of peak values and peak, discharge the slot synchronization resource simultaneously.Corresponding diagram 3 steps are:
(S301) application slot synchronization resource, input time slot synchronization parameter, the operation of indication slot synchronization resource; And
(S302) slot synchronization resource end of run, parameters such as output peak value and peakdeviation sort to the peak value of searching for, and produce and interrupt, and discharge the slot synchronization resource simultaneously.
Next, step S104 in Fig. 1, according to one in two frame synchronization of pre-defined rule application and the scrambler group recognition resource, result according to step S102 is provided with relevant parameter, a plurality of peak values and peak skew to slot synchronization are searched for respectively, the result of search is frame synchronization time point and scrambler group, discharges corresponding resource after search is finished.Corresponding diagram 3 steps are:
(S303), import the parameters such as time migration of first peak value, indication frame synchronization and scrambler group resource A operation to first peak value application frame synchronization and scrambler group recognition resource A;
(S304) scheduling time arrives, to second peak value application frame synchronization and scrambler group resource B, and the parameters such as time migration of second peak value of input, indication frame synchronization and scrambler group resource B operation; And
(S305) frame synchronization and scrambler group recognition resource A end of run are exported the frame synchronization time and the scrambler group of first peak value, produce and interrupt, and discharge frame synchronization and scrambler group recognition resource A simultaneously.
As above, if at first applied in two frame synchronization and the scrambler group recognition resource as can be seen, peak value to slot synchronization is dispatched, so next scheduling time is when arriving, will apply in two frame synchronization and the scrambler group recognition resource another, the next peak value of slot synchronization will be dispatched.
At last, the step S106 among Fig. 1, application scrambler recognition resource is arranged on the parameter that is produced among the step S104, and the search scrambler discharges corresponding resource after search is finished.Step in the corresponding diagram 3 is:
(S306) application scrambler recognition resource is to parameters such as first peak value input scrambler group and frame synchronization, the operation of indication scrambler recognition resource;
(S307) frame synchronization and scrambler group recognition resource B end of run, the frame synchronization time and the scrambler group of second peak value of output produce and interrupt, and discharge frame synchronization and scrambler group recognition resource B simultaneously;
(S308) the scrambler recognition resource arrives running time, exports the scrambler of first peak value, produces to interrupt, and discharges the scrambler recognition resource simultaneously;
(S309) application scrambler recognition resource is to parameters such as second peak value input scrambler group and frame synchronization, the operation of indication scrambler recognition resource;
(S310) the scrambler recognition resource arrives running time, and the scrambler of second peak value of output produces and interrupts, and discharges the scrambler recognition resource simultaneously;
(S311), import the parameters such as time migration of the 3rd peak value, indication frame synchronization and scrambler group resource A operation to the 3rd peak value application frame synchronization and scrambler group recognition resource A;
(S312) scheduling time arrives, to the 4th peak value application frame synchronization and scrambler group resource B, and the parameters such as time migration of second peak value of input, indication frame synchronization and scrambler group resource B operation;
(S313) frame synchronization and scrambler group recognition resource A end of run are exported the frame synchronization time and the scrambler group of the 3rd peak value, produce and interrupt, and discharge frame synchronization and scrambler group recognition resource A simultaneously;
(S314) application scrambler recognition resource is to parameters such as the 3rd peak value input scrambler group and frame synchronization, the operation of indication scrambler recognition resource;
(S315) frame synchronization and scrambler group recognition resource B end of run are exported the frame synchronization time and the scrambler group of the 4th peak value, produce and interrupt, and discharge frame synchronization and scrambler group recognition resource B simultaneously;
(S316) the scrambler recognition resource arrives running time, exports the scrambler of the 3rd peak value, produces to interrupt, and discharges the scrambler recognition resource simultaneously;
(S317) application scrambler recognition resource is to parameters such as the 4th peak value input scrambler group and frame synchronization, the operation of indication scrambler recognition resource; And
(S318) the scrambler recognition resource arrives running time, exports the scrambler of the 4th peak value, produces to interrupt, and discharges the scrambler recognition resource simultaneously.
In the process of the step S106 of above corresponding diagram 1, if when the application resource, this resource is occupied, will wait until so and again resource be dispatched in each dispatching cycle next dispatching cycle, with reference to the peakdeviation of slot synchronization, select a peak value to carry out the scheduling of frame synchronization and the identification of scrambler group to the peak value that does not also have scheduling.Be set to be less than or equal to the time span of scrambler recognition resource operation this dispatching cycle.And, if the scrambler that is searched is many warps of search cell, when reporting the upper strata, need abandon so, in addition, if the scrambler that the searches known scrambler that is the upper strata then need abandon when reporting the upper strata.
In addition, with reference to figure 3, as can be seen time t1 to time t2, t4 to t5 these two time periods, frame synchronization and scrambler group identification A discerns B in parallel running with frame synchronization and scrambler group; These two time period frame synchronization and scrambler group identification B and scrambler are identified in parallel running to time t3, time t5 to time t6 and at t2.
Fig. 4 shows the sequential chart that has sequential to run simultaneously and move according to 4 sub-districts of cell searching system 200 parallel searches of second embodiment of the invention.Because the step basic identical (same section with dashed lines collimation mark goes out) of step among Fig. 4 and first embodiment shown in Figure 3, just many parallel runnings of slot synchronization, and the scheduling of the peak value of second slot synchronization is identical with the peak value scheduling of first slot synchronization, so omit the detailed description to implementation step.Wherein, (S301) in (1) corresponding diagram 3 among Fig. 4, other labels also with Fig. 3 in label corresponding one by one.
As can be seen from Figure 4, to time t2, slot synchronization, frame synchronization and scrambler group identification A, frame synchronization and scrambler group identification B have so just realized the purpose of four kinds of resource parallel runnings in parallel running, have improved the efficient of Cell searching at time t1.
Be the preferred embodiments of the present invention only below, be not limited to the present invention, for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (16)
1. the small region search method in the mobile system is characterized in that, may further comprise the steps:
Step S102, application slot synchronization resource, configuration relevant parameter, when time slot synchronous running time then, produce the result of described slot synchronization, and the peak value of described slot synchronization sorted, take out the skew of a plurality of peak values and peak, discharge described slot synchronization resource simultaneously;
Step S104, according to one in two frame synchronization of pre-defined rule application and the scrambler group recognition resource, result according to described step S102 is provided with relevant parameter, a plurality of peak values and peak skew to described slot synchronization are searched for respectively, the result of described search is frame synchronization time point and scrambler group, discharges corresponding resource after search is finished; And
Step S106, application scrambler recognition resource is arranged on the parameter that is produced among the described step S104, and the search scrambler discharges corresponding resource after search is finished.
2. small region search method according to claim 1, it is characterized in that, in described step S104, described pre-defined rule refers to: if at first applied in described two frame synchronization and the scrambler group recognition resource one, peak value to described slot synchronization is dispatched, then just apply in described two frame synchronization and the scrambler group recognition resource another next time, the next peak value of described slot synchronization is dispatched.
3. small region search method according to claim 2 is characterized in that, in each dispatching cycle, with reference to the peakdeviation of described slot synchronization, selects a peak value to carry out the scheduling of frame synchronization and the identification of scrambler group to the peak value that does not also have scheduling.
4. small region search method according to claim 1 is characterized in that, if the described scrambler that searches is many warps of search cell, then need abandon when reporting the upper strata.
5. small region search method according to claim 1 is characterized in that, if the described scrambler that searches is the known scrambler in described upper strata, then need abandon when reporting described upper strata.
6. small region search method according to claim 1 is characterized in that, in described dispatching cycle, the Cell searching message that described upper strata does not also have to handle is once dispatched.
7. small region search method according to claim 1 is characterized in that, in described step S106, if when the application resource, described resource is occupied, then will wait until and more described resource be applied for next dispatching cycle.
8. small region search method according to claim 7 is characterized in that, is set to be less than or equal to the time span of described scrambler recognition resource operation described dispatching cycle.
9. the cell searching system in the mobile system is characterized in that, comprises with lower device:
The slot synchronization device is used to dispose relevant parameter, slot synchronization running time then, produce the result of described slot synchronization, and the peak value of described slot synchronization sorted, take out the skew of a plurality of peak values and peak, discharge described slot synchronization resource simultaneously;
Two frame synchronization and scrambler group recognition device, according to pre-defined rule in the resource one is set, result according to described slot synchronization device is provided with relevant parameter, a plurality of peak values and peak skew to described slot synchronization are searched for respectively, the result of described search is frame synchronization time point and scrambler group, discharges corresponding resource after search is finished; And
The scrambler recognition device is used for being arranged on the parameter that described two frame synchronization and scrambler group recognition device are produced, the search scrambler, and the corresponding resource of back release is finished in search.
10. cell searching system according to claim 9, it is characterized in that, in described two frame synchronization and scrambler group recognition device, described pre-defined rule is: if at first applied in described two frame synchronization and the scrambler group recognition resource one, peak value to described slot synchronization is dispatched, then just apply in described two frame synchronization and the scrambler group recognition resource another next time, the next peak value of described slot synchronization is dispatched.
11. cell searching system according to claim 10 is characterized in that, in each dispatching cycle, with reference to the peakdeviation of described slot synchronization, selects a peak value to carry out the scheduling of described frame synchronization and scrambler group recognition resource to the peak value that does not also have scheduling.
12. cell searching system according to claim 9 is characterized in that, in described scrambler recognition device, if the described scrambler that searches is many warps of search cell, then need abandon when reporting the upper strata.
13. cell searching system according to claim 9 is characterized in that, in described scrambler recognition device, if the described scrambler that searches is the known scrambler in described upper strata, then need abandon when reporting described upper strata.
14. cell searching system according to claim 9 is characterized in that, the Cell searching message that described upper strata is not also had to handle in described dispatching cycle is once dispatched.
15. cell searching system according to claim 9 is characterized in that, when the application resource, if described resource is occupied, then will waits until and more described resource be applied for next dispatching cycle.
16. cell searching system according to claim 15 is characterized in that, is set to be less than or equal to the time span of described scrambler recognition resource operation described dispatching cycle.
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| CN101990277A (en) * | 2009-08-05 | 2011-03-23 | 上海摩波彼克半导体有限公司 | Method for quickly obtaining migration of system time in wideband code division multiple access (WCDMA) communication system |
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| JP3836663B2 (en) * | 2000-09-04 | 2006-10-25 | 株式会社エヌ・ティ・ティ・ドコモ | Cell search method for mobile station in mobile communication system |
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| EP1836777A1 (en) * | 2005-01-14 | 2007-09-26 | THOMSON Licensing | Cell search using rake searcher to perform scrambling code determination |
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| CN109639315A (en) * | 2018-12-20 | 2019-04-16 | 惠州Tcl移动通信有限公司 | Mobile terminal pseudo-random sequence processing method, device and storage medium |
| CN109639315B (en) * | 2018-12-20 | 2021-06-15 | 惠州Tcl移动通信有限公司 | Mobile terminal pseudo-random sequence processing method, device and storage medium |
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