CN107634812A - A kind of LTE micro-base stations and its method and synchronous method for detecting frame header deviation - Google Patents
A kind of LTE micro-base stations and its method and synchronous method for detecting frame header deviation Download PDFInfo
- Publication number
- CN107634812A CN107634812A CN201710797724.7A CN201710797724A CN107634812A CN 107634812 A CN107634812 A CN 107634812A CN 201710797724 A CN201710797724 A CN 201710797724A CN 107634812 A CN107634812 A CN 107634812A
- Authority
- CN
- China
- Prior art keywords
- cell
- frame header
- base stations
- lte
- far end
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Mobile Radio Communication Systems (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
Abstract
The present invention is applied to the communications field, there is provided a kind of LTE micro-base stations and its method and synchronous method for detecting frame header deviation.The method of LTE micro-base stations detection frame header deviation includes：Input is obtained to the very first time stamp in the external synchronization clock source of LTE micro-base stations, and the second timestamp of the frame head of previous home cell；The difference of the second timestamp and very first time stamp is calculated, it is poor to obtain the very first time；The frame header deviation of far end cell is determined according to very first time difference.The present invention can be with the frame header deviation of automatic detection far end cell, the quick precise synchronization of LTE micro-base stations can be made, the speed and efficiency of the deployment of LTE micro-base stations is accelerated, reduce the participation of human configuration, and the accuracy of system configuration is improved, effectively raise operating efficiency.
Description
Technical field
The invention belongs to the communications field, more particularly to a kind of LTE micro-base stations and its method and the synchronization that detect frame header deviation
Method.
Background technology
With the development of science and technology and the progress of mobile communication technology, the mobile phone mobile terminal the most frequently used as people, it is based on
The various demands of internet are more and more, and the ability for mobile network is it is also proposed that higher and higher requirement.Currently, the country three is big
Any wide-area deployment and the popularization of operator's 4G macro base stations.Wherein, TD-LTE system is as a time-division system, for synchronization
Requirement it is very high.A useful supplement of the LTE micro-base stations as macro base station, it can be clicked through on the big ground in local blind area and flow of the people
Row deployment, effectively improve the Consumer's Experience of 4G data service customers.In addition, the demand of the LTE micro-base stations of various private networks is also increasingly
Increase.The deployment of these TD-LTE micro-base stations, it is necessary to stringent synchronization is carried out with existing grand net, to prevent from causing wirelessly grand net
Interference.
The GPS methods of synchronization are usually used in the synchronization of TD-LTE micro-base stations, and gps signal has accurate timing signal, system
Realize also fairly simple.When GPS synchronization scenarios are realized, it is necessary first to know the frame header deviation of macro base station, deviant is sent to
LTE micro-base stations configure as input, are then used as clock reference by gps signal and synchronize process.
At present, there may be different frames for TD-LTE communication systems, different places, the macro base station equipment of different manufacturers
Head offset configuration., it is necessary to frequency, cell ID and the frame head of the macrocell provided according to operator during general deployment LTE micro-base stations
Offset manually to be configured.When operator carries out the network optimization and upgrading, when causing the systematic parameter to change, generally require
Again manual configuration and upgrading.In summary, prior art is complicated to the deployment operation of LTE micro-base stations.
The content of the invention
It is an object of the invention to provide a kind of LTE micro-base stations and its method and synchronous method of detection frame header deviation, purport
When solving prior art deployment LTE micro-base stations, it is necessary to manually configure frame header deviation, the problem of complex operation.
In a first aspect, the invention provides a kind of method of LTE micro-base stations detection frame header deviation, methods described includes：
Input is obtained to the very first time stamp in the external synchronization clock source of LTE micro-base stations, and previous home cell
Frame head the second timestamp；
The difference of the second timestamp and very first time stamp is calculated, it is poor to obtain the very first time；
The frame header deviation of far end cell is determined according to very first time difference.
Second aspect, the invention provides a kind of computer-readable recording medium, the computer-readable recording medium is deposited
Computer program is contained, the computer program realizes LTE micro-base stations detection frame header deviation described above when being executed by processor
Method the step of.
The third aspect, the invention provides a kind of LTE micro-base stations, including：
One or more processors；
Memory；And
One or more computer programs, wherein one or more of computer programs are stored in the memory
In, and be configured to, by one or more of computing devices, realize during computer program described in the computing device
The step of method of LTE micro-base stations detection frame header deviation described above.
Fourth aspect, the invention provides a kind of synchronous method of LTE micro-base stations, methods described includes：
Receive the frame header deviation of the far end cell obtained by the method for LTE micro-base stations described above detection frame header deviation；
The synchronization parameter of LTE micro-base stations is configured according to the frame header deviation of far end cell；
The simultaneously operating of home cell and far end cell is performed according to the synchronization parameter of LTE micro-base stations.
5th aspect, the invention provides a kind of computer-readable recording medium, the computer-readable recording medium is deposited
Computer program is contained, the computer program realizes the synchronous method of LTE micro-base stations described above when being executed by processor
Step.
6th aspect, the invention provides a kind of LTE micro-base stations, including：
One or more processors；
The memory and LTE baseband processing modules being connected respectively with processor；
The RF receiving and transmission module being connected with LTE baseband processing modules；
The dual-mode antenna being connected with RF receiving and transmission module；And
One or more computer programs, wherein one or more of computer programs are stored in the memory
In, and be configured to, by one or more of computing devices, realize during computer program described in the computing device
The step of synchronous method of LTE micro-base stations described above.
In the present invention, due to being stabbed by obtaining input to the very first time in the external synchronization clock source of LTE micro-base stations, with
And the second timestamp of the frame head of previous home cell；The very first time difference stabbed according to the second timestamp and the very first time is true
Determine the frame header deviation of far end cell.Therefore, with the frame header deviation of automatic detection far end cell LTE micro-base stations can be made quickly smart
It is really synchronous, the speed and efficiency of the deployment of LTE micro-base stations are accelerated, reduces the participation of human configuration, and improve system configuration
Accuracy, effectively raise operating efficiency.
Brief description of the drawings
Fig. 1 is the method flow diagram for the LTE micro-base stations detection frame header deviation that the embodiment of the present invention one provides.
Fig. 2 is the frame header deviation schematic diagram of air interface synchronization detection mode.
Fig. 3 is the frame header deviation schematic diagram of base station frequency sweep detection mode.
Fig. 4 is the concrete structure block diagram for the LTE micro-base stations that the embodiment of the present invention three provides.
Fig. 5 is the synchronous method flow chart for the LTE micro-base stations that the embodiment of the present invention four provides.
Fig. 6 is the concrete structure block diagram for the LTE micro-base stations that the embodiment of the present invention six provides.
Embodiment
In order that the purpose of the present invention, technical scheme and beneficial effect are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only explaining this hair
It is bright, it is not intended to limit the present invention.
In order to illustrate technical solutions according to the invention, illustrated below by specific embodiment.
In current mobile communcations system, for LTE in D frequency ranges and E frequency ranges, Ministry of Industry and Information is according to not spacing between operator
Mode enter line frequency distribution.In order to avoid interference at crossed slot, the D frequency ranges of each operator and the sub-frame configuration of E frequency ranges need to protect
Hold consistent.Simultaneously in order to reduce the alien frequencies section time of measuring of terminal, improve client perception, F-band, D frequency ranges and E frequency ranges should be kept
Frame synchronization, i.e. frame head are alignd.The method for the LTE micro-base stations detection frame header deviation that the embodiment of the present invention one provides is exactly to realize automatically
Detect LTE micro-base stations and realize synchronous required frame header deviation parameter, it is synchronous with the automatic and accurate of external clock reference so as to complete.It is right
In the LTE micro-base stations of air interface synchronization mode, when the frame header deviation parameter can also be used for LTE micro-base station alien frequencies air interface synchronization modes
Frame header deviation configures.Frequency sweep detection frame head in the method for the LTE micro-base stations detection frame header deviation that the embodiment of the present invention one provides
The mode of skew also can be as a new functional parameter of sweep generator, there is provided the reference of more comprehensively detailed radio network planning network optimization
Configuration.
Embodiment one：
Referring to Fig. 1, the method for the LTE micro-base stations detection frame header deviation that the embodiment of the present invention one provides comprises the following steps
S101, input is obtained to the very first time stamp in the external synchronization clock source of LTE micro-base stations, and previous local
Second timestamp of the frame head of cell；
S102, the difference for calculating the second timestamp and very first time stamp, it is poor to obtain the very first time；
S103, the frame header deviation according to very first time difference determination far end cell.
In the embodiment of the present invention one, LTE micro-base stations detection frame header deviation method include air interface synchronization detection mode and
Base station frequency sweep detection mode.
Referring to Fig. 2, for air interface synchronization detection mode, before the S101, methods described is further comprising the steps of：
Configure local LTE micro-base stations and enter air interface synchronization pattern, be synchronized to the macro base station of target far end cell, specially match somebody with somebody
Put the synchronous frequency and cell ID of local LTE micro-base stations.
The S103 is specially：Frame header deviation using very first time difference DT1 as far end cell.
Referring to Fig. 3, for base station frequency sweep detection mode, before the S101, methods described is further comprising the steps of：
Local LTE micro-base stations are controlled to enter frequency sweep mode.
The S103 is specifically as follows：
Frame header deviation using very first time difference DT1 as home cell；
The wireless signal of home cell is scanned according to the frequency of the home cell of configuration and cell ID, cell is carried out and searches
Rope, it is specifically as follows：According to possible PSS in agreement (Primary Synchronization Signal, master sync signal)
With SSS (Secondary Synchronization Signal, auxiliary synchronous signals) signal, distal end is searched by related operation
The synchronizing signal position of cell, if matched with the cell ID, then it represents that search effective far end cell；
According to the position of relevant peaks, the frame header deviation time difference DT2 of home cell and far end cell is calculated；
Calculate very first time difference DT1 and frame header deviation time difference DT2 difference；
Frame header deviation using difference as far end cell.
The S103 can also be specifically：
Frame header deviation using very first time difference DT1 as home cell；
The wireless signal of home cell is scanned according to the frequency of the home cell of configuration, carries out cell searching, it is local small
The same frequency in area is configured with one or more effective cell ID, and each cell ID frame header deviation is identical or different；
When detecting the presence of multiple effective cell ID in cell search process, all detections are calculated in the following manner
The frame header deviation of far end cell corresponding to the effective cell ID arrived：
For each effective cell ID, home cell is scanned according to the frequency of the home cell of configuration and cell ID
Wireless signal, cell searching is carried out, is specifically as follows：According to the signal of possible PSS and SSS in agreement, pass through related operation
The synchronizing signal position of far end cell is searched, if matched with the cell ID, then it represents that search effective far end cell；
According to the position of relevant peaks, the frame header deviation time difference DT2 of home cell and far end cell is calculated；
Calculate very first time difference DT1 and frame header deviation time difference DT2 difference；
Frame header deviation using difference as far end cell corresponding to cell ID.
Embodiment two：
The embodiment of the present invention two additionally provides a kind of computer-readable recording medium, and the computer-readable recording medium is deposited
Computer program is contained, the LTE micro- bases provided such as the embodiment of the present invention one are provided when the computer program is executed by processor
The step of method for detecting frame header deviation of standing.
Embodiment three：
Fig. 4 shows the concrete structure block diagram for the LTE micro-base stations that the embodiment of the present invention three provides, a kind of LTE micro-base stations
100, including：
One or more processors 101；
Memory 102；And
One or more computer programs, wherein one or more of computer programs are stored in the memory
In 102, and it is configured to be performed by one or more of processors 101, the processor 101 performs the computer journey
The step of method of the LTE micro-base stations detection frame header deviation provided such as the embodiment of the present invention one is provided during sequence.
Example IV：
Referring to Fig. 5, the synchronous method for the LTE micro-base stations that the embodiment of the present invention four provides comprises the following steps：
The method for the LTE micro-base stations detection frame header deviation that S201, reception are provided by the embodiment of the present invention one obtains remote
Hold the frame header deviation of cell；
S202, the synchronization parameter according to the frame header deviation of far end cell configuration LTE micro-base stations；
S203, the simultaneously operating according to the synchronization parameter of LTE micro-base stations execution home cell and far end cell, are effectively prevented
Air interference is produced to existing system.
In the embodiment of the present invention four, S202 specifically may comprise steps of：
The mode of operation of LTE micro-base stations is determined according to system configuration mode, when the mode of operation of LTE micro-base stations includes outside
The clock source method of synchronization and air interface synchronization mode, one of which mode of operation can be selected according to the actual requirements；
If mode of operation is the external clock reference method of synchronization, send synchronous mode, far end cell frame header deviation and
Other control information give LTE baseband processing modules；
LTE baseband processing modules configure the radio frequency register of RF receiving and transmission module.
If mode of operation is air interface synchronization mode, and if that home cell and far end cell select is synchronous side with frequency
Formula, then home cell and far end cell frame head deviation is not present, then without particular arrangement；If home cell is selected with far end cell
What is selected is the method for synchronization of alien frequencies, then home cell and far end cell there may be frame head deviation, then according to the frame of far end cell
Head calculations of offset goes out the difference of the frame header deviation of two alien frequencies frequencies；
When air interface synchronization pattern starts, the difference of synchronous target frequency, cell ID and frame header deviation is sent to LTE bases
Tape handling module.
S203 specifically may comprise steps of：
LTE baseband processing modules are when handling the digital radio modulation signal of RF receiving and transmission module, according to far end cell
Frame header deviation calibrates the collection sequential of digital radio modulation signal automatically, compensates frame header deviation amount, realizes home cell and distal end
The synchronization of cell.
Embodiment five：
The embodiment of the present invention five additionally provides a kind of computer-readable recording medium, and the computer-readable recording medium is deposited
Computer program is contained, the LTE micro- bases provided such as the embodiment of the present invention four are provided when the computer program is executed by processor
The step of synchronous method stood.
Embodiment six：
Fig. 6 shows the concrete structure block diagram for the LTE micro-base stations that the embodiment of the present invention six provides, a kind of LTE micro-base stations, bag
Include：
One or more processors 301；
The memory 302 and LTE baseband processing modules 303 being connected respectively with processor 301；
The RF receiving and transmission module 304 being connected with LTE baseband processing modules 303；
The dual-mode antenna 305 being connected with RF receiving and transmission module 304；And
One or more computer programs, wherein one or more of computer programs are stored in the memory
In 302, and it is configured to be performed by one or more of processors 301, the processor 301 performs the computer journey
The step of synchronous method of the LTE micro-base stations provided such as the embodiment of the present invention four is provided during sequence.
In the embodiment of the present invention six, external synchronization clock source can use external GPS, 1588 clocks or TD-SCDMA bases
Band plate, produce accurate periodic timing signal.Most commonly use external GPS, using signal caused by external GPS as
One synchronous base of LTE micro-base stations, each second produce an interrupt signal and are input to LTE baseband processing modules 303.
LTE micro-base stations may also include wired network interface or WIFI passback module, 2G passbacks module, 3G passback modules etc., with
Communicated with external server.LTE baseband processing modules 303 can perform LTE micro-base stations according to the configuration of external server
Air interface synchronization detection mode or base station frequency sweep detection mode are selected when detecting the method for frame header deviation, and starts LTE Base-Band Processings
Module 303 coordinates detection frame header deviation, and external server also receives the frame header deviation that LTE micro-base stations detect, and inclined to frame head
The measurement of shifting reports value to be handled and stored.
Corresponding radio frequency processing chip may be selected in RF receiving and transmission module 304, such as：AD936x, complete mould of being eated dishes without rice or wine at antenna
Intend the transmitting-receiving process of signal, and carry out the operation such as high frequency conversion and filtering, there is provided the digital radio modulation signal of nominated bandwidth is given
LTE baseband processing modules 303.
When in embodiments of the present invention, due to being inputted by obtaining to the first of the external synchronization clock source of LTE micro-base stations
Between stab, and the second timestamp of the frame head of previous home cell；First stabbed according to the second timestamp and the very first time
Time difference determines the frame header deviation of far end cell.Therefore, the micro- bases of LTE can be made with the frame header deviation of automatic detection far end cell
Stand quick precise synchronization, accelerate the speed and efficiency of the deployment of LTE micro-base stations, reduce the participation of human configuration, and improve
The accuracy of system configuration, effectively raises operating efficiency.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement made within refreshing and principle etc., should be included in the scope of the protection.
Claims (10)
- A kind of 1. method of LTE micro-base stations detection frame header deviation, it is characterised in that methods described includes：Input is obtained to the very first time stamp in the external synchronization clock source of LTE micro-base stations, and the frame of previous home cell Second timestamp of head；The difference of the second timestamp and very first time stamp is calculated, it is poor to obtain the very first time；The frame header deviation of far end cell is determined according to very first time difference.
- 2. the method as described in claim 1, it is characterised in that the method for the LTE micro-base stations detection frame header deviation includes sky The synchronous detection mode of mouth and base station frequency sweep detection mode；For air interface synchronization detection mode, described obtain is inputted to the very first time stamp in the external synchronization clock source of LTE micro-base stations, And before the second timestamp of the frame head of previous home cell, methods described also includes：Configure local LTE micro-base stations and enter air interface synchronization pattern, be synchronized to the macro base station of target far end cell, specially configure this The synchronous frequency and cell ID of ground LTE micro-base stations；It is described to determine that the frame header deviation of far end cell is specially according to very first time difference：Using very first time difference as far end cell Frame header deviation.
- 3. the method as described in claim 1, it is characterised in that the method for the LTE micro-base stations detection frame header deviation includes sky The synchronous detection mode of mouth and base station frequency sweep detection mode；For base station frequency sweep detection mode, described obtain is inputted to the very first time stamp in the external synchronization clock source of LTE micro-base stations, And before the second timestamp of the frame head of previous home cell, methods described also includes：Local LTE micro-base stations are controlled to enter frequency sweep mode；It is described to determine that the frame header deviation of far end cell specifically includes according to very first time difference：Frame header deviation using very first time difference as home cell；The wireless signal of home cell is scanned according to the frequency of the home cell of configuration and cell ID, carries out cell searching；According to the position of relevant peaks, the frame header deviation time difference of home cell and far end cell is calculated；Calculate very first time difference and the difference of frame header deviation time difference；Frame header deviation using difference as far end cell；OrIt is described to determine that the frame header deviation of far end cell specifically includes according to very first time difference：Frame header deviation using very first time difference as home cell；The wireless signal of home cell is scanned according to the frequency of the home cell of configuration, carries out cell searching, home cell Same frequency is configured with one or more effective cell ID, and each cell ID frame header deviation is identical or different；When detecting the presence of multiple effective cell ID in cell search process, all detect is calculated in the following manner The frame header deviation of far end cell corresponding to effective cell ID：For each effective cell ID, the wireless of home cell is scanned according to the frequency of the home cell of configuration and cell ID Signal, carry out cell searching；According to the position of relevant peaks, the frame header deviation time difference of home cell and far end cell is calculated；Calculate very first time difference and the difference of frame header deviation time difference；Frame header deviation using difference as far end cell corresponding to cell ID.
- 4. a kind of computer-readable recording medium, the computer-readable recording medium storage has computer program, and its feature exists In LTE micro-base station detection frame of the realization as described in any one of claims 1 to 3 when the computer program is executed by processor The step of method of head skew.
- 5. a kind of LTE micro-base stations, including：One or more processors；Memory；AndOne or more computer programs, wherein one or more of computer programs are stored in the memory, and And it is configured to by one or more of computing devices, it is characterised in that computer program described in the computing device The step of method of LTE micro-base stations detection frame header deviations of the Shi Shixian as described in any one of claims 1 to 3.
- 6. a kind of synchronous method of LTE micro-base stations, it is characterised in that methods described includes：It is small to receive the distal end obtained by the method for the LTE micro-base stations detection frame header deviation as described in any one of claims 1 to 3 The frame header deviation in area；The synchronization parameter of LTE micro-base stations is configured according to the frame header deviation of far end cell；The simultaneously operating of home cell and far end cell is performed according to the synchronization parameter of LTE micro-base stations.
- 7. method as claimed in claim 6, it is characterised in that described that the micro- bases of LTE are configured according to the frame header deviation of far end cell The synchronization parameter stood specifically includes：The mode of operation of LTE micro-base stations is determined according to system configuration mode, the mode of operation of LTE micro-base stations includes external clock reference The method of synchronization and air interface synchronization mode；If mode of operation is the external clock reference method of synchronization, synchronous mode, the frame header deviation of far end cell and other are sent Control information gives LTE baseband processing modules；LTE baseband processing modules configure the radio frequency register of RF receiving and transmission module.
- 8. method as claimed in claim 6, it is characterised in that described that the micro- bases of LTE are configured according to the frame header deviation of far end cell The synchronization parameter stood specifically includes：The mode of operation of LTE micro-base stations is determined according to system configuration mode, the mode of operation of LTE micro-base stations includes external clock reference The method of synchronization and air interface synchronization mode；If mode of operation is air interface synchronization mode, and if the selection of home cell and far end cell is the same frequency method of synchronization, Then frame head deviation is not present in home cell and far end cell, then without particular arrangement；If home cell selects with far end cell Be alien frequencies the method for synchronization, then home cell and far end cell there may be frame head deviation, then according to the frame head of far end cell Calculations of offset goes out the difference of the frame header deviation of two alien frequencies frequencies；When air interface synchronization pattern starts, the difference of synchronous target frequency, cell ID and frame header deviation is sent at LTE base band Manage module；The simultaneously operating that home cell and far end cell are performed according to the synchronization parameter of LTE micro-base stations specifically includes：LTE baseband processing modules are when handling the digital radio modulation signal of RF receiving and transmission module, according to the frame head of far end cell The collection sequential of the automatic calibration digital radio modulation signal of skew, compensates frame header deviation amount, realizes home cell and far end cell Synchronization.
- 9. a kind of computer-readable recording medium, the computer-readable recording medium storage has computer program, and its feature exists In the synchronization of LTE micro-base station of the realization as described in any one of claim 6 to 8 when the computer program is executed by processor The step of method.
- 10. a kind of LTE micro-base stations, including：One or more processors；The memory and LTE baseband processing modules being connected respectively with processor；The RF receiving and transmission module being connected with LTE baseband processing modules；The dual-mode antenna being connected with RF receiving and transmission module；AndOne or more computer programs, wherein one or more of computer programs are stored in the memory, and And it is configured to by one or more of computing devices, it is characterised in that computer program described in the computing device The step of synchronous method of LTE micro-base stations of the Shi Shixian as described in any one of claim 6 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710797724.7A CN107634812B (en) | 2017-09-06 | 2017-09-06 | A kind of LTE micro-base station and its method and synchronous method for detecting frame header deviation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710797724.7A CN107634812B (en) | 2017-09-06 | 2017-09-06 | A kind of LTE micro-base station and its method and synchronous method for detecting frame header deviation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107634812A true CN107634812A (en) | 2018-01-26 |
| CN107634812B CN107634812B (en) | 2019-04-19 |
Family
ID=61100755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710797724.7A Active CN107634812B (en) | 2017-09-06 | 2017-09-06 | A kind of LTE micro-base station and its method and synchronous method for detecting frame header deviation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107634812B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109548068A (en) * | 2018-12-29 | 2019-03-29 | 京信通信***（中国）有限公司 | A kind of measurement method of time delay, device, equipment and medium |
| CN110568753A (en) * | 2019-07-30 | 2019-12-13 | 青岛小鸟看看科技有限公司 | handle, head-mounted equipment, head-mounted system and time synchronization method thereof |
| CN110876146A (en) * | 2018-08-29 | 2020-03-10 | 大唐移动通信设备有限公司 | Base station cell establishing method and device |
| WO2020155308A1 (en) * | 2019-02-01 | 2020-08-06 | 国网江苏省电力有限公司 | Synchronization method for wide area system protection apparatus, apparatus, station and topological architecture |
| CN111818597A (en) * | 2020-06-16 | 2020-10-23 | 深圳磊诺科技有限公司 | LTE micro base station and cell parameter switching method thereof |
| CN114885412A (en) * | 2022-04-13 | 2022-08-09 | 广州万码科技有限公司 | LTE frame offset value calculation method, device, system, equipment and storage medium |
| CN115243360A (en) * | 2022-07-26 | 2022-10-25 | 山东闻远通信技术有限公司 | Method, device and electronic equipment for acquiring relative GPS (global positioning system) offset of wireless frame header |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070058633A1 (en) * | 2005-09-13 | 2007-03-15 | Agere Systems Inc. | Configurable network connection address forming hardware |
| CN101145863A (en) * | 2007-03-21 | 2008-03-19 | 中兴通讯股份有限公司 | Device and method for detecting system frame header deviation |
| CN102497240A (en) * | 2011-12-20 | 2012-06-13 | 北京泰美世纪科技有限公司 | Sampling synchronous device and sampling synchronous method of digital broadcasting system |
-
2017
- 2017-09-06 CN CN201710797724.7A patent/CN107634812B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070058633A1 (en) * | 2005-09-13 | 2007-03-15 | Agere Systems Inc. | Configurable network connection address forming hardware |
| CN101145863A (en) * | 2007-03-21 | 2008-03-19 | 中兴通讯股份有限公司 | Device and method for detecting system frame header deviation |
| CN102497240A (en) * | 2011-12-20 | 2012-06-13 | 北京泰美世纪科技有限公司 | Sampling synchronous device and sampling synchronous method of digital broadcasting system |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110876146A (en) * | 2018-08-29 | 2020-03-10 | 大唐移动通信设备有限公司 | Base station cell establishing method and device |
| CN110876146B (en) * | 2018-08-29 | 2022-04-26 | 大唐移动通信设备有限公司 | Base station cell establishing method and device |
| CN109548068A (en) * | 2018-12-29 | 2019-03-29 | 京信通信***（中国）有限公司 | A kind of measurement method of time delay, device, equipment and medium |
| WO2020155308A1 (en) * | 2019-02-01 | 2020-08-06 | 国网江苏省电力有限公司 | Synchronization method for wide area system protection apparatus, apparatus, station and topological architecture |
| CN110568753A (en) * | 2019-07-30 | 2019-12-13 | 青岛小鸟看看科技有限公司 | handle, head-mounted equipment, head-mounted system and time synchronization method thereof |
| CN111818597A (en) * | 2020-06-16 | 2020-10-23 | 深圳磊诺科技有限公司 | LTE micro base station and cell parameter switching method thereof |
| CN111818597B (en) * | 2020-06-16 | 2022-06-10 | 深圳磊诺科技有限公司 | LTE micro base station and cell parameter switching method thereof |
| CN114885412A (en) * | 2022-04-13 | 2022-08-09 | 广州万码科技有限公司 | LTE frame offset value calculation method, device, system, equipment and storage medium |
| WO2023197599A1 (en) * | 2022-04-13 | 2023-10-19 | 广州万码科技有限公司 | Lte frame offset value calculation method, apparatus and system, and device and storage medium |
| CN114885412B (en) * | 2022-04-13 | 2024-03-08 | 广州万码科技有限公司 | LTE frame offset value calculation method, device, system, equipment and storage medium |
| CN115243360A (en) * | 2022-07-26 | 2022-10-25 | 山东闻远通信技术有限公司 | Method, device and electronic equipment for acquiring relative GPS (global positioning system) offset of wireless frame header |
| CN115243360B (en) * | 2022-07-26 | 2024-02-02 | 山东闻远通信技术有限公司 | Method and device for acquiring relative GPS offset of wireless frame head and electronic equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107634812B (en) | 2019-04-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107634812A (en) | A kind of LTE micro-base stations and its method and synchronous method for detecting frame header deviation | |
| CN101938827B (en) | TD-SCDMA format Femtocell air interface synchronization method | |
| TWI542234B (en) | Methods for coordinating radio activities of different radio access technologies and apparatuses utilizing the same | |
| CN110099354A (en) | A kind of ultra-wideband communications two-dimensional location method of combination TDOA and TOF | |
| CN102271391B (en) | Synchronous method and system are realized between femto cell | |
| CN105474719A (en) | Devices and methods for sending or receiving assistance data | |
| CN101400079B (en) | Detection method and device for idle port synchronization error | |
| US11330481B2 (en) | Method and device for configuring measurement parameter | |
| CN106358155B (en) | A kind of method for building up and device of radio-frequency fingerprint database | |
| CN106576324A (en) | Wideband ranging in cellular using unlicensed radio frequency spectrum band | |
| WO2020207096A1 (en) | Method for performing positioning in 5g scenarios, positioning platform and user terminal | |
| CN108700666A (en) | A kind of localization method, equipment and system | |
| CN105682214A (en) | Baseband and radio frequency combined time sequence adjustment method and device | |
| CN210347786U (en) | Wireless high-voltage phase checking instrument | |
| CN204102307U (en) | For the harvester of double frequency, multi-frequency microwave link measurement quantity of precipitation | |
| CN104918317A (en) | Inter-base station interface delay compensation method, device and system | |
| CN103716857A (en) | Scanning method, user equipment and base station | |
| US9913159B2 (en) | Adjusting operating windows of a dual-mode device operating as an access point and a wireless station in time division multiplexed manner | |
| CN1996788A (en) | Configuration device and adjusting method of the time slot of the wireless network direct station based on the satellite synchronization | |
| CN108093474A (en) | The method and system of indoor positioning are synchronously realized using virtual time | |
| CN210347787U (en) | Handheld terminal | |
| US20050090268A1 (en) | Base station for mobile terminal positioning system | |
| US20130182699A1 (en) | Wireless communication device and wireless communication method | |
| WO2022268197A1 (en) | Positioning processing method, positioning reference signal sending method, apparatus, and device | |
| CN209296915U (en) | Passive Radar System based on target positioning |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |