CN110312288A - The continuous search processing method in co-frequency cell, device and user equipment - Google Patents
The continuous search processing method in co-frequency cell, device and user equipment Download PDFInfo
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- CN110312288A CN110312288A CN201810259526.XA CN201810259526A CN110312288A CN 110312288 A CN110312288 A CN 110312288A CN 201810259526 A CN201810259526 A CN 201810259526A CN 110312288 A CN110312288 A CN 110312288A
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- frequency cell
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- hardware accelerator
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0083—Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
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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 provides a kind of continuous search processing method in co-frequency cell, device and user equipment.The described method includes: before the gap for carrying out different-frequency measure of base station distribution reaches, configuring hardware accelerator in carrying out co-frequency cell search process；Data are searched for into co-frequency cell by the hardware accelerator and Processing Algorithm moves designated memory space；Different-frequency measure is carried out in the gap of base station distribution；After the gap of base station distribution terminates, the designated memory space is read, continues the reception and processing of co-frequency cell search data.The present invention can be realized the continuous processing after co-frequency cell search is interrupted by different-frequency measure, to guarantee the detection performance of co-frequency cell.
Description
Technical field
The present invention relates to the continuous search processing method of field of communication technology more particularly to a kind of co-frequency cell, device and use
Family equipment.
Background technique
UE (User Equipment, user equipment) not only needs to carry out cell searching in booting, in order to support to move
Property, UE can ceaselessly search for neighbor cell, obtain the quality of reception that is synchronous and estimating the cell signal, to decide whether to carry out
Switching or cell reselection.
The search that UE carries out adjacent cell includes co-frequency cell search and alien-frequency district search, in the scheduling for supporting carrier wave polymerization
Under scene, UE generallys use Double RF chip processing module while receiving data, and a radio frequency chip receives intra-frequency cells and searches
Rope data are carried out when meeting the gap (GAP) of different-frequency measure and needing to handle alien-frequency district search using another radio frequency chip
Reception processing.
Currently in order to reducing power consumption and saving chip space, there is a kind of hardware chip for only designing a cell searching
Processing module carries out the scheme of main plot and secondary cell data processing, the program can be completed under UE connected state main plot and
The scheduling of secondary cell search.
In the implementation of the present invention, inventor's discovery at least has the following technical problems in the prior art:
In order to meet performance requirement, detected in the case of low SNR (Signal To Noise Ratio, signal-to-noise ratio) same
Frequency adjacent district needs the reception data of long period and does merging accumulation process.In this case it is just easy to and different-frequency measure
Gap period clashes, and interrupts co-frequency neighbor cell search by different-frequency measure, leads to not continuous processing, to cause resource
Waste.
Summary of the invention
The continuous search processing method in co-frequency cell provided by the invention, device and user equipment, can be realized co-frequency cell
The continuous processing after being interrupted by different-frequency measure is searched for, to guarantee the detection performance of co-frequency cell.
In a first aspect, the present invention provides a kind of continuous search processing method in co-frequency cell, which comprises
In carrying out co-frequency cell search process, before the gap for carrying out different-frequency measure of base station distribution reaches,
Configure hardware accelerator；
Data are searched for into co-frequency cell by the hardware accelerator and Processing Algorithm moves designated memory space；
Different-frequency measure is carried out in the gap of base station distribution；
After the gap of base station distribution terminates, the designated memory space is read, continues co-frequency cell and searches
The reception and processing of rope data.
Optionally, described that co-frequency cell search data and Processing Algorithm are moved by specified deposit by the hardware accelerator
Storage space includes:
Co-frequency cell data preserving after being received and processed by the hardware accelerator is to the specified storage
Space, and saved the Processing Algorithm that data are searched in co-frequency cell to the specified storage sky by the hardware accelerator
Between.
Optionally, the reception of data is searched in the progress co-frequency cell and processing includes:
Processing is merged to the primary synchronization signal or secondary synchronization signal that receive.
Second aspect, the present invention provide a kind of continuous search process device in co-frequency cell, and described device includes:
Configuration unit, in carrying out co-frequency cell search process, distribution to be used to carry out different-frequency measure in base station
Before gap reaches, hardware accelerator is configured；
Unit is moved, it is specified for being moved co-frequency cell search data and Processing Algorithm by the hardware accelerator
Memory space；
First processing units, for carrying out different-frequency measure in the gap that base station is distributed；
The second processing unit, for reading the designated memory space after the gap that the base station is distributed terminates, after
The continuous reception and processing for carrying out co-frequency cell search data.
Optionally, described to move unit, for the co-frequency cell after receiving and processing to be searched by the hardware accelerator
Rope data are saved in the designated memory space, and are calculated the processing that data are searched in co-frequency cell by the hardware accelerator
Method is saved to the designated memory space.
Optionally, described the second processing unit, for being closed to the primary synchronization signal or secondary synchronization signal that receive
And it handles.
The third aspect, the present invention provide a kind of user equipment, and the user equipment includes that above-mentioned co-frequency cell is continuously searched for
Processing unit.
The continuous search processing method in co-frequency cell provided in an embodiment of the present invention, device and user equipment, work as co-frequency cell
When occurring the case where different-frequency measure in search process, before the different-frequency measure of base station distribution reaches, number is searched for into co-frequency cell
According to intermediate processing results be allocated to hardware accelerator, after hardware accelerator saves intermediate result, carry out alien-frequency district search
And measurement, after alien-frequency district search processing is completed to discharge hardware resource, then restore the processing of co-frequency cell search.With it is existing
Technology is compared, and the present invention before different-frequency measure reaches by configuring hardware accelerator, by the centre of co-frequency cell search process
As a result it is saved, can be realized the continuous processing after co-frequency cell search is interrupted by different-frequency measure, to guarantee co-frequency cell
Detection performance.
Detailed description of the invention
Fig. 1 is the flow chart of an embodiment co-frequency cell search processing method；
Fig. 2 is the flow chart of the continuous search processing method in one embodiment of the invention co-frequency cell；
Fig. 3 is the schematic diagram of the continuous search processing method in one embodiment of the invention co-frequency cell；
Fig. 4 is the structural schematic diagram of the continuous search process device in one embodiment of the invention co-frequency cell.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
It is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
The homogeneous-frequency adjacent-domain LTE cell searching needs to meet the performance requirement of low SNR to primary synchronization signal (Primary
Synchronized Signal, PSS) and secondary synchronization signal (Secondary Synchronized Signal, SSS) grown
The reception of time and merging treatment, the length for receiving data are up to 80ms.Processing schematic such as Fig. 1 institute of co-frequency cell search
Show, 5ms data are received in co-frequency neighbor cell search every time, first relevant treatment are carried out to PSS signal, if the correlated results of PSS is crossed
Thresholding is detected, the relevant treatment of SSS is just switched to, otherwise continues to receive data according to the step-length of 5ms, the length for receiving PSS is most
40ms；The relevant treatment of same SSS also receives data according to the step-length of 5ms, receives the most 40ms of length.
But the gap period of different-frequency measure is 40ms or 80ms under UE connected state, if being configured with alien frequencies in connected state
Measurement many times just will appear the case where robbing resource with alien frequencies with frequency.In order to continue behind gap, continuous processing is same to search frequently
Rope data, the processing before not slatterning, the present invention provides a kind of continuous search processing method in co-frequency cell, as shown in Fig. 2, institute
The method of stating includes:
S11, in carrying out co-frequency cell search process, in base station, the gap for carrying out different-frequency measure of distribution reaches it
Before, configure hardware accelerator；
The processing interrupted will be needed to be allocated to hardware chip accelerator in advance before alien frequencies (INTER) is reached, makes hardware
The intermediate result of processing is stored in designated memory space by chip, and the intermediate result includes the PSS for having merged processing
Signal and SSS signal, and the algorithm of processing PSS signal and SSS signal.
S12, co-frequency cell search data and Processing Algorithm are moved by designated memory space by the hardware accelerator；
S13, different-frequency measure is carried out in the gap of base station distribution；
Being moved to intermediate result by hardware chip accelerator can be with the memory space (smooth buffer) of fast reading and writing
Specified storage address, intermediate result generate an interruption after the completion of moving, notice software has discharged hardware resource, can carry out
The processing of different-frequency measure, the here processing of different-frequency measure include alien-frequency district search and alien-frequency district measurement.
S14, the base station distribution gap terminate after, read the designated memory space, continue with frequency it is small
The reception and processing of area searching data.
It is specified before informing to deposit after the different-frequency measure gap of base station distribution, then by software configuration hardware accelerator
The address in storage area domain allows hardware accelerator to continue unfinished co-frequency cell search process process.
As shown in figure 3, searching for (INTRA) by after different-frequency measure (INTER) interruption for co-frequency cell, provided using the present invention
The schematic diagram that is restored of the continuous search processing method in co-frequency cell.
The continuous search processing method in co-frequency cell provided in an embodiment of the present invention, it is different when occurring in the search process of co-frequency cell
When the case where frequency measures, before the different-frequency measure of base station distribution reaches, by the intermediate processing results of co-frequency cell search data
It is allocated to hardware accelerator, after hardware accelerator saves intermediate result, alien-frequency district search and measurement is carried out, works as alien-frequency district
After search process completion discharges hardware resource, then restore the processing of co-frequency cell search.Compared with prior art, the present invention is logical
It crosses and configures hardware accelerator before different-frequency measure reaches, the intermediate result of co-frequency cell search process is saved, it can
The continuous processing after co-frequency cell search is interrupted by different-frequency measure is realized, to guarantee the detection performance of co-frequency cell.
The embodiment of the present invention also provides a kind of continuous search process device in co-frequency cell, as shown in figure 4, described device packet
It includes:
Configuration unit 11, in carrying out co-frequency cell search process, distribution to be used to carry out different-frequency measure in base station
Gap reach before, configure hardware accelerator；
Unit 12 is moved, for co-frequency cell search data and Processing Algorithm to be moved finger by the hardware accelerator
Determine memory space；
First processing units 13, for carrying out different-frequency measure in the gap that base station is distributed；
The second processing unit 14, for reading the designated memory space after the gap that the base station is distributed terminates,
Continue the reception and processing of co-frequency cell search data.
Optionally, described to move unit 12, for passing through the hardware accelerator for the co-frequency cell after receiving and processing
Data preserving to the designated memory space, and by the hardware accelerator by co-frequency cell search for data processing
Algorithm is saved to the designated memory space.
Optionally, described the second processing unit 14, for being carried out to the primary synchronization signal or secondary synchronization signal received
Merging treatment.
The continuous search process device in co-frequency cell provided in an embodiment of the present invention, it is different when occurring in the search process of co-frequency cell
When the case where frequency measures, before the different-frequency measure of base station distribution reaches, by the intermediate processing results of co-frequency cell search data
It is allocated to hardware accelerator, after hardware accelerator saves intermediate result, alien-frequency district search and measurement is carried out, works as alien-frequency district
After search process completion discharges hardware resource, then restore the processing of co-frequency cell search.Compared with prior art, the present invention is logical
It crosses and configures hardware accelerator before different-frequency measure reaches, the intermediate result of co-frequency cell search process is saved, it can
The continuous processing after co-frequency cell search is interrupted by different-frequency measure is realized, to guarantee the detection performance of co-frequency cell.
The embodiment of the present invention also provides a kind of user equipment, and the user equipment includes above-mentioned co-frequency cell continuously at search
Manage device.
Those of ordinary skill in the art will appreciate that realizing all or part of the process in above-described embodiment method, being can be with
Relevant hardware is instructed to complete by computer program, the program can be stored in a computer-readable storage medium
In, the program is when being executed, it may include such as the process of the embodiment of above-mentioned each method.Wherein, the storage medium can be magnetic
Dish, CD, read-only memory (Read-Only Memory, ROM) or random access memory (Random Access
Memory, RAM) etc..
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by those familiar with the art, all answers
It is included within the scope of the present invention.Therefore, protection scope of the present invention should be subject to the protection scope in claims.
Claims (7)
1. a kind of continuous search processing method in co-frequency cell, which is characterized in that the described method includes:
In carrying out co-frequency cell search process, before the gap for carrying out different-frequency measure of base station distribution reaches, configuration
Hardware accelerator；
Data are searched for into co-frequency cell by the hardware accelerator and Processing Algorithm moves designated memory space；
Different-frequency measure is carried out in the gap of base station distribution；
After the gap of base station distribution terminates, the designated memory space is read, continues co-frequency cell search number
According to reception and processing.
2. the method according to claim 1, wherein described searched for co-frequency cell by the hardware accelerator
Data and Processing Algorithm move designated memory space
Co-frequency cell data preserving after being received and processed by the hardware accelerator to the designated memory space,
And the Processing Algorithm that data are searched in co-frequency cell is saved to the designated memory space by the hardware accelerator.
3. the method according to claim 1, wherein the reception and processing for carrying out co-frequency cell search data
Include:
Processing is merged to the primary synchronization signal or secondary synchronization signal that receive.
4. a kind of continuous search process device in co-frequency cell, which is characterized in that described device includes:
Configuration unit is used in carrying out co-frequency cell search process, the gap for being used to carry out different-frequency measure of distribution in base station
Before arrival, hardware accelerator is configured；
Unit is moved, for co-frequency cell search data and Processing Algorithm to be moved specified storage by the hardware accelerator
Space；
First processing units, for carrying out different-frequency measure in the gap that base station is distributed；
The second processing unit, for reading the designated memory space after the gap that the base station is distributed terminates, continue into
The reception and processing of row co-frequency cell search data.
5. device according to claim 4, which is characterized in that it is described to move unit, for passing through the hardware accelerator
Co-frequency cell data preserving after receiving and processing is to the designated memory space, and passes through the hardware accelerator
The Processing Algorithm of co-frequency cell search data is saved to the designated memory space.
6. device according to claim 4, which is characterized in that described the second processing unit, for same to the master received
Step signal or secondary synchronization signal merge processing.
7. a kind of user equipment, which is characterized in that the user equipment includes same as described in any one of claim 4 to 6
The continuous search process device of frequency cell.
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| CN201810259526.XA CN110312288B (en) | 2018-03-27 | 2018-03-27 | Method and device for processing continuous search of same-frequency cells and user equipment |
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|---|---|---|---|
| CN201810259526.XA CN110312288B (en) | 2018-03-27 | 2018-03-27 | Method and device for processing continuous search of same-frequency cells and user equipment |
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| CN110312288B CN110312288B (en) | 2021-11-19 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1288306A (en) * | 1999-09-14 | 2001-03-21 | 日本电气株式会社 | Primary district search method for acturating in high speed searching primary district in CDMA system |
| CN101373988A (en) * | 2008-10-21 | 2009-02-25 | 北京创毅视讯科技有限公司 | Implementing method for alien-frequency district search and mobile terminal |
| CN101883379A (en) * | 2009-05-05 | 2010-11-10 | 上海摩波彼克半导体有限公司 | Method for realizing two-phase measuring optimization of wireless terminal adjacent subdistricts in wireless communication system |
| CN103473188A (en) * | 2013-09-12 | 2013-12-25 | 华为技术有限公司 | Method, device and system for data interaction between digital signal processor (DSP) and external memory |
| TW201717683A (en) * | 2015-11-09 | 2017-05-16 | 英特爾Ｉｐ公司 | Intra-frequency and inter-frequency measurement for narrow band machine-type communication |
-
2018
- 2018-03-27 CN CN201810259526.XA patent/CN110312288B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1288306A (en) * | 1999-09-14 | 2001-03-21 | 日本电气株式会社 | Primary district search method for acturating in high speed searching primary district in CDMA system |
| CN101373988A (en) * | 2008-10-21 | 2009-02-25 | 北京创毅视讯科技有限公司 | Implementing method for alien-frequency district search and mobile terminal |
| CN101883379A (en) * | 2009-05-05 | 2010-11-10 | 上海摩波彼克半导体有限公司 | Method for realizing two-phase measuring optimization of wireless terminal adjacent subdistricts in wireless communication system |
| CN103473188A (en) * | 2013-09-12 | 2013-12-25 | 华为技术有限公司 | Method, device and system for data interaction between digital signal processor (DSP) and external memory |
| TW201717683A (en) * | 2015-11-09 | 2017-05-16 | 英特爾Ｉｐ公司 | Intra-frequency and inter-frequency measurement for narrow band machine-type communication |
Non-Patent Citations (1)
| Title |
|---|
| 徐振平: "第五节 中断", 《普通高等教育"十三五"规划教材 机器人控制技术基础 基于ARDUINO的四旋翼飞行器设计与实现[M]》 * |
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