CN103188028A - Signal interference method and signal interference device - Google Patents
Signal interference method and signal interference device Download PDFInfo
- Publication number
- CN103188028A CN103188028A CN 201110451265 CN201110451265A CN103188028A CN 103188028 A CN103188028 A CN 103188028A CN 201110451265 CN201110451265 CN 201110451265 CN 201110451265 A CN201110451265 A CN 201110451265A CN 103188028 A CN103188028 A CN 103188028A
- Authority
- CN
- China
- Prior art keywords
- signal
- interference
- subelement
- time slot
- unit
- 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
Images
Landscapes
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a signal interference method and a signal interference device. A synchronous signal of a base station is obtained by utilizing the signal interference device, and an uplink time slot and a downlink time slot are differentiated based on time slot information in the synchronous signal. An interference signal is only emitted in the downlink time slot. The problems that a signal interference device in the prior art can not differentiate the uplink time slot and the downlink time slot and interferes with the uplink time slot, and therefore network quality is affected are solved.
Description
Technical field
The present invention relates to communication technical field, relate in particular to a kind of signal interference method and signal interference unit.
Background technology
At present under some special scenes, ban use of the place of communication terminals such as mobile phone as all kinds of examination halls, school, church, court, prison, place of military importance etc., usually use the signal interference unit to come communication terminal is carried out signal shielding, the interference signal that described signal interference unit sends can form mess code and disturb in the message signals that communication terminal receives, make disturbed communication terminal can not normally detect the data of sending from the base station, connect thereby can't set up with the base station, show as phenomenons such as search network, no signal, no service system.
Present signal interference unit can be applied in global system for mobile communications (Global System of Mobile communication, GSM), code division multiple access (Code Division Multiple Access, CDMA), (Wideband Code Division Multiple Access is WCDMA) etc. in the communication system for CDMA2000 and Wideband Code Division Multiple Access (WCDMA).Because when using the signal interference unit that the communication terminal in the base station portion coverage is disturbed, if the uplink band to communication system disturbs, there is mess code in the upward signal that can cause the base station to receive, thereby cause communicating by letter between the interior communication terminal of base station and the whole coverage in this base station to be affected, reduce network quality.
To this, when present signal interference unit disturbs communication terminal, can only produce continual full-time crack signal to each communication system down link frequency range and disturb the problem that the network quality of having avoided causing when uplink band disturbed descends by to the setting of frequency range.
But, for time division communication system, as TD SDMA (Time Division-Synchronous Code Division Multiple Access, TD-SCDMA), time-division Long Term Evolution (Time Division-Long Term Evolution, communication system such as TD-LTE), because it belongs to up-downgoing with the frequency system, can only distinguish the uplink and downlink of signal by slot time, when adopting above-mentioned signal interference unit that it is carried out the signal interference, because the signal interference unit can't be distinguished the uplink and downlink timeslot of time division communication system signal, thereby cause when the downstream signal to time division communication system disturbs, also its upward signal has been caused interference, there is mess code in the upward signal that makes the base station receive, cause the interior user of the whole coverage in this base station normally to use business, influence network quality.
Summary of the invention
The embodiment of the invention provides a kind of signal interference method and signal interference unit, thereby can't the differentiating uplink and downlink time slot in order to solve the signal interference unit that exists in the prior art, ascending time slot is also produced the problem that influences network quality of disturbing.
A kind of signal interference unit, described signal interference unit comprises lock unit and interference signal processing unit:
Described lock unit is used for obtaining the synchronizing signal from the base station, and described synchronizing signal is sent to signal processing unit, comprises the gap information of subframe in the described synchronizing signal;
Described interference signal processing unit is used for determining descending time slot according to described synchronizing signal, and launches interference signal in descending time slot.
A kind of signal interference method, described method comprises:
The signal interference unit obtains the synchronizing signal from the base station, comprises the gap information of subframe in the described synchronizing signal;
The signal interference unit is determined descending time slot according to described synchronizing signal, and launches interference signal in descending time slot.
Beneficial effect of the present invention is:
The embodiment of the invention provides a kind of signal interference method and signal interference unit, utilize the signal interference unit to obtain synchronizing signal from the base station, and come the differentiating uplink and downlink time slot according to the gap information that comprises in the described synchronizing signal, only in descending time slot, launch interference signal, and in ascending time slot, do not launch interference signal, can't the differentiating uplink and downlink time slot thereby solved the signal interference unit that exists in the prior art, ascending time slot is also produced the problem that influences network quality of disturbing.
Description of drawings
Fig. 1 (a) is depicted as the structural representation of signal interference unit in the embodiment of the invention one;
Fig. 1 (b) is depicted as the internal structure schematic diagram of lock unit in the embodiment of the invention one;
Fig. 1 (c) is depicted as the internal structure schematic diagram of interference signal processing unit in the embodiment of the invention one;
Figure 2 shows that the structure of time slot schematic diagram of TD-SCDMA communication system subframe;
Figure 3 shows that signal interference method schematic flow sheet in the embodiment of the invention two.
Embodiment
Embodiments of the present invention is further illustrated below in conjunction with Figure of description, but the present invention is not limited to the following examples.
Embodiment one:
Signal interference unit described in the embodiment of the invention one can be applied in the time division communication system, in communication systems such as TD-SCDMA and TD-LTE; Particularly, the embodiment of the invention one is example with the TD-SCDMA communication system, and described signal interference unit is elaborated.
Shown in Fig. 1 (a), be the structural representation of signal interference unit in the embodiment of the invention one, described signal interference unit comprises lock unit 11 and interference signal processing unit 12, wherein:
Described lock unit 11 is used for obtaining the synchronizing signal from the base station, and described synchronizing signal is sent to interference signal processing unit 12, comprises the gap information of subframe in the described synchronizing signal, and described subframe can be for one or more; Described interference signal processing unit 12 is used for determining descending time slot according to described synchronizing signal, and launches interference signal in descending time slot.
Particularly, shown in Fig. 1 (b), be the internal structure schematic diagram of lock unit 11, described lock unit 11 comprises that signal receives subelement 111 and synchronizing signal conversion subelement 112.
Described signal receives subelement 111 and is used for obtaining from signal of base station, and described signal is sent to synchronizing signal conversion subelement 112; Described signal receives subelement 111 can be external reception antenna or global positioning system (Global Positioning System, GPS), usually be placed on outdoor unscreened place, and can send to synchronizing signal conversion subelement 112 by the described signal that wired mode such as radio frequency cable or communication will get access to from the base station; Also be not limited to described signal in the scheme of present embodiment and receive subelement 111 for being integrated in the built-in aerial of signal interference unit inside or built-in GPS.
Described synchronizing signal conversion subelement 112 mainly is made up of digital analog mixed IC, handles synchronously for signal being received the described signal that subelement 111 gets access to, and obtains synchronizing signal, and described synchronizing signal is sent to interference signal processing unit 12; Particularly, described synchronizing signal conversion subelement 112 can carry out extraction and the analog-to-digital conversion of signal by digital analog mixed IC from the described signal that gets access to, obtain synchronizing signal, and described synchronizing signal is sent to interference signal processing unit 12; The synchronizing signal that obtains after described synchronizing signal conversion subelement 112 is handled synchronously is digital synchronization signal.
For the TD-SCDMA communication system, in order to realize functions such as fast power control and timing advance calibration, with third generation partner program (The 3rd Generation Partnership Project, 3GPP) radio frames of Ding Yi 1 10ms is divided into 2 identical in structure subframes, as shown in Figure 2, be the structure of time slot schematic diagram of TD-SCDMA communication system subframe, each subframe duration is 5ms, take 6400 chips, formed by 3 special time slots and 7 conventional time slots.
Described 3 special time slots are respectively descending pilot frequency time slot (Downlink Pilot Time Slot, DwPTS, 96 chips), main protection time slot (Guard Period, GP, 96 chips) and uplink pilot time slot (Uplink Pilot Time Slot, UpPTS, 160 chips); Described 7 conventional time slots are TS0～TS6, be 864 chips, be used for transmitting user data or control information, wherein, TS0 is fixed as descending time slot, be mainly used in disposing Primary Common Control Physical Channel (Primary Common Control Physical Channel, PCCPCH), Page Indication Channel (Paging Indicator Channel, PICH) and forward access channel (Forward Access Channel, FACH) etc. common signal channel is controlled covering and the service access of residential quarter; TS1～TS6 is business time-slot, be mainly used in the carrying of business datum, wherein TS1 is fixed as ascending time slot, and other conventional time slot can be configured to ascending time slot or descending time slot as required neatly, to realize the transmission of asymmetric traffic (as Packet data service).At present, defined 3 kinds of time slot proportion that the TD-SCDMA communication system is interior among the 3GPP, its uplink and downlink timeslot ratio is respectively: 2: 4,1: 5 and 3: 3.
Particularly, if at a certain residential quarter, the time slot proportion that a certain subframe is set in the base station of TD-SCDMA communication system is 2: 4, wherein TS1, TS2 are that ascending time slot, TS0 and TS3～TS6 are descending time slot, after then synchronizing signal conversion subelement 112 received signal signal that subelement 111 gets access to and handles synchronously, also having comprised the TS1, the TS2 that represent this subframe in the synchronizing signal that obtains in the gap information of this subframe was that ascending time slot, TS0 and TS3～TS6 are the content of descending time slot.
Preferably, described lock unit 11 also comprises synchronizing signal adjustment subelement 113.
It mainly is digital IC circuit that described synchronizing signal is adjusted subelement 113, be used for according to the corresponding relation between predefined network slot proportioning and the time-domain adjustment amount, network slot proportioning time corresponding territory adjustment amount in the synchronizing signal of determining to obtain after synchronizing signal conversion subelement 112 is handled synchronously between each time slot, and utilize the time-domain adjustment amount of determining that the synchronizing signal that obtains is adjusted, thereby make the synchronizing signal after adjusting compare with corresponding network slot proportioning, have the less time error that shifts to an earlier date or lag behind, and the synchronizing signal after will adjusting sends to interference signal processing unit 12.
Particularly, at the TD-SCDMA communication system, the corresponding relation between predefined network slot proportioning and the time-domain adjustment amount can for, if the network slot proportioning is 3: 3, its time corresponding territory adjustment amount is A μ s in advance; If the network slot proportioning is 1: 5, its time corresponding territory adjustment amount is hysteresis B μ s; If the network slot proportioning is 2: 4, then time corresponding territory adjustment amount is for shifting to an earlier date C μ s, and wherein, the numerical value of A, B and C can in the light of actual conditions be set.
Further, the adjustment adjusting subelement 113 and also provide the manual operation interface to accept on the time-domain that outer bound pair synchronizing signal carries out of described synchronizing signal is operated.
Shown in Fig. 1 (c), internal structure schematic diagram for interference signal processing unit 12, described interference signal processing unit 12 comprises that interference signal control subelement 121, interference signal generate subelement 122, interference signal enhanson 123 and interference signal emission subelement 124, wherein:
Described interference signal control subelement 121 mainly is made up of analog-digital hybrid circuit, be used for receiving synchronizing signal, adjust subelement 113 if relate to above-mentioned synchronizing signal in the scheme of the embodiment of the invention, then the synchronizing signal that receives of interference signal control subelement 121 is the synchronizing signal after synchronizing signal is adjusted the adjustment that subelement 113 sends, because it is preferred versions of present embodiment that synchronizing signal is adjusted the function of subelement 113, therefore, adjust subelement 113 if do not relate to described synchronizing signal, then the synchronizing signal that receives of interference signal control subelement 121 is the synchronizing signal that synchronizing signal conversion subelement 112 sends.
Described interference signal control subelement 121 can be determined the slot time of each time slot according to the described synchronizing signal that receives by the envelope detection technology, and then determine descending time slot according to described slot time, and the triggering interference signal generates subelement 122 generation interference signals when each descending time slot arrival, and triggering interference signal generation subelement 122 stops to generate interference signal when this descending time slot finishes.
Particularly, described interference signal control subelement 121 can be used for the synchronizing signal after adjusting is carried out digital-to-analogue conversion, and according to the conversion after analogue synchronization signal determine descending time slot, after determining descending time slot, generate the signal sequence of interference signal, and by modes such as radio frequency, analog switches, trigger the generation interference signal that interference signal generates subelement 122 according to described signal sequence.
In the scheme of present embodiment, when the continuous a plurality of time slots in interference signal control subelement 121 definite subframes are descending time slot, can when each descending time slot arrives, trigger interference signal and generate subelement 122 generation interference signals, and triggering interference signal generation subelement 122 stops to generate interference signal when this descending time slot finishes, and in adjacent next descending time slot, carry out same operation; Preferably, also can when descending time slot arrives continuously, generate interference signals by triggering interference signal generation subelement 122, and triggering interference signal generation subelement 122 stops to generate interference signal when descending time slot finishes continuously.If when determining that according to synchronizing signal two adjacent subframe adjacent time-slots all are descending time slot, also can when the continuous descending time slot that belongs to adjacent sub-frame arrives, trigger interference signal and generate subelement 122 and generate interference signals, and when this continuous descending time slot finishes, trigger interference signal and generate subelement 122 and stop to generate interference signal.
Suppose that interference signal control subelement 121 determines that according to described synchronizing signal TS0 is that descending time slot, TS1 and TS2 are that ascending time slot, TS3～TS6 are descending time slot, then interference signal control subelement 121 can trigger interference signal and generate subelement 122 generation interference signals when TS0 arrives, and triggering interference signal generation subelement 122 stops to generate interference signal when TS0 finishes; When TS3 arrives, trigger interference signal and generate subelement 122 generation interference signals, and when TS6 finishes, trigger interference signal generation subelement 122 and stop to generate interference signal.
Described interference signal generates subelement 122 mainly by voltage control oscillator (Voltage-controlled Oscillator, VCO), phase-locked loop (Phase Locked Loop, PLL), highly stable crystal oscillator (Crystal Oscillator, CO), micro-control unit (Micro Control Unit, MCU), low noise amplifier (Low Noise Amplifier, LNA) and acquisition module compositions such as (GAINBLOCK), be used for the triggering according to interference signal control subelement 121, generate interference signal or stop to generate interference signal, described interference signal is the wideband interference signal.
Described interference signal enhanson 123 is mainly by band pass filter (Band-pass Filter, BPF), drive (DRIVER), power amplifier (Power Amplifier, composition such as PA), being used for filtering interference signals, to generate the band of the interference signal that subelement 122 generates outer spuious, and strengthening described interference signal, described enhancing interference signal can be that described interference signal is amplified processing.
Described interference signal emission subelement 124 is used for the emission interference signal and generates the interference signal that subelement 122 generates, as interference signal as described in launching by the mode of broadcast transmission.
Preferably, some signals of disturbing are with outer spuious and enhancing by interference signal enhanson 123, and then interference signal emission subelement 124 is used for the interference signal of emission interference signal enhanson 123 outputs.
Described interference signal emission subelement 124 can be equipment such as transmitting antenna.
Described interference signal processing unit 12 also comprises core monitoring subelement 125.
Described core monitoring subelement 125 is mainly used in monitoring and controlling the operating state of each other subelement, as coming unusually to determine by judging whether each subelement input and output has whether subelement is in normal operating conditions.
For example, whether the interference signal that core monitoring subelement 125 can be judged 124 emissions of interference signal emission subelement according to the Rule of judgment of setting operation irregularity, if judged result is for being then to alarm; Particularly, described Rule of judgment can for, in the ascending time slot of synchronizing signal, whether interference signal emission subelement 124 is still in the emission interference signal, if judged result then shows the interference signal operation irregularity of interference signal emission subelement 124 emissions for being, core monitoring subelement 125 can in time send alarm signal, it is out of service to trigger interference signal emission subelement 124 simultaneously, avoids the base station is impacted.
Need to prove that the lock unit in the embodiment of the invention one and interference signal processing unit also are not limited to the division of other functional modules.
Embodiment two:
As shown in Figure 3, be signal interference method schematic flow sheet in the embodiment of the invention two, said method comprising the steps of:
Step 101: the signal interference unit obtains the synchronizing signal from the base station, comprises the gap information of subframe in the described synchronizing signal.
Described signal interference unit specifically can obtain from signal of base station by external or built-in reception antenna or GPS, and the signal that will get access to from the base station is handled synchronously, specifically comprise operations such as signal extraction and analog-to-digital conversion, obtain synchronizing signal, described synchronizing signal is digital synchronization signal.
Preferably, the signal interference unit can also be according to the corresponding relation between predefined network slot proportioning and the time-domain adjustment amount, network slot proportioning time corresponding territory adjustment amount in the synchronizing signal of determining to obtain between each time slot, and utilize the time-domain adjustment amount of determining that the synchronizing signal that obtains is adjusted, thereby make the synchronizing signal after adjusting compare with corresponding network slot proportioning, there is the less time error that shifts to an earlier date or lag behind, meets the network slot ratio requirement more.
Particularly, the gap information that comprises at least one subframe in the described synchronizing signal, for the TD-SCDMA communication system, each subframe duration is 5ms in the synchronizing signal that obtains, by 3 special time slots (DwPTS, GP and UpPTS) and 7 conventional time slots (TS0 and TS1～TS6) form.
Step 102: the signal interference unit is determined descending time slot according to described synchronizing signal, and launches interference signal in descending time slot.
The signal interference unit can be determined the slot time of each time slot according to the described synchronizing signal that receives by the envelope detection technology, and then determine descending time slot according to described slot time, and when each descending time slot arrives, generate concurrent blackberry lily and disturb signal, and when finishing, this descending time slot stops to generate interference signal.
Particularly, the signal interference unit can carry out digital-to-analogue conversion with the synchronizing signal after adjusting, determine descending time slot according to the analogue synchronization signal after the conversion, after determining descending time slot, generate the signal sequence of interference signal, and by modes such as radio frequency, analog switches, when each descending time slot arrives, generate concurrent blackberry lily according to described signal sequence and disturb signal, and when this descending time slot finishes, stop to generate interference signal.
Step 103: the signal interference unit to the interference signal that generates be with outer spuious and strengthen handle after, the interference signal after handling is launched.
Particularly, the signal interference unit is by BPF, DRIVER, PA etc., unwanted band is outer spuious and strengthen described interference signal in the interference signal that filtering generates, and the interference signal after will strengthening carries out broadcast transmission by transmitting antenna etc., is implemented in the specific region interference to downstream signal.
The above only is the preferred embodiments of the invention, and obviously, those skilled in the art can carry out various changes and modification and not break away from the spirit and scope of the present invention the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (10)
1. a signal interference unit is characterized in that, described signal interference unit comprises lock unit and interference signal processing unit:
Described lock unit is used for obtaining the synchronizing signal from the base station, and described synchronizing signal is sent to signal processing unit, comprises the gap information of subframe in the described synchronizing signal;
Described interference signal processing unit is used for determining descending time slot according to described synchronizing signal, and launches interference signal in descending time slot.
2. signal interference unit as claimed in claim 1 is characterized in that, described lock unit comprises:
Signal receives subelement, is used for obtaining from signal of base station, and described signal is sent to synchronizing signal conversion subelement;
Synchronizing signal conversion subelement is used for that signal is received the described signal that subelement gets access to and handles synchronously, obtains synchronizing signal, and described synchronizing signal is sent to the interference signal processing unit.
3. signal interference unit as claimed in claim 2 is characterized in that, described lock unit also comprises:
Synchronizing signal is adjusted subelement, be used for according to the corresponding relation between predefined network slot proportioning and the time-domain adjustment amount, determine the network slot proportioning time corresponding territory adjustment amount between each time slot in the synchronizing signal that synchronizing signal conversion subelement obtains, and utilize the time-domain adjustment amount of determining that the synchronizing signal that obtains is adjusted, and the synchronizing signal after will adjusting sends to the interference signal processing unit.
4. as the arbitrary described signal interference unit of claim 1～3, it is characterized in that described interference signal processing unit comprises:
Interference signal control subelement, be used for determining descending time slot according to described synchronizing signal, and the triggering interference signal generates subelement generation interference signal when each descending time slot arrival, and triggering interference signal generation subelement stops to generate interference signal when this descending time slot finishes;
Interference signal generates subelement, is used for the triggering according to interference signal control subelement, generates interference signal or stops to generate interference signal;
Interference signal emission subelement is used for the emission interference signal and generates the interference signal that subelement generates.
5. signal interference unit as claimed in claim 4 is characterized in that, described interference signal processing unit also comprises:
The interference signal enhanson, being used for filtering interference signals, to generate the band of the interference signal that subelement generates outer spuious, and strengthen described interference signal;
Described interference signal is launched subelement, and is concrete for the interference signal after spuious outside the emission filtering band and the enhancing.
6. a signal interference method is characterized in that, described method comprises:
The signal interference unit obtains the synchronizing signal from the base station, comprises the gap information of subframe in the described synchronizing signal;
The signal interference unit is determined descending time slot according to described synchronizing signal, and launches interference signal in descending time slot.
7. signal interference method as claimed in claim 6 is characterized in that, the signal interference unit obtains the synchronizing signal from the base station, specifically comprises:
The signal that the signal interference unit will get access to from the base station is handled synchronously, obtains synchronizing signal.
8. signal interference method as claimed in claim 7 is characterized in that, the signal interference unit obtains after the synchronizing signal, and determines that according to described synchronizing signal before the descending time slot, described method also comprises:
The signal interference unit is according to the corresponding relation between predefined network slot proportioning and the time-domain adjustment amount, network slot proportioning time corresponding territory adjustment amount in the synchronizing signal of determining to obtain between each time slot, and utilize the time-domain adjustment amount of determining that the synchronizing signal that obtains is adjusted.
9. as the arbitrary described signal interference method of claim 6～8, it is characterized in that the signal interference unit is launched interference signal in descending time slot, be specially:
The signal interference unit generates concurrent blackberry lily and disturbs signal when each descending time slot arrives, and stops to generate interference signal when this descending time slot finishes.
10. signal interference method as claimed in claim 9 is characterized in that, the signal interference unit is before the emission interference signal, and described method also comprises:
Band in the interference signal that the filtering of signal interference unit generates is outer spuious, and strengthens described interference signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110451265.XA CN103188028B (en) | 2011-12-29 | 2011-12-29 | A kind of signal interference method and signal disturbing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110451265.XA CN103188028B (en) | 2011-12-29 | 2011-12-29 | A kind of signal interference method and signal disturbing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103188028A true CN103188028A (en) | 2013-07-03 |
| CN103188028B CN103188028B (en) | 2015-08-19 |
Family
ID=48679006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110451265.XA Active CN103188028B (en) | 2011-12-29 | 2011-12-29 | A kind of signal interference method and signal disturbing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103188028B (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103634067A (en) * | 2013-10-24 | 2014-03-12 | 长沙宝庸通信科技有限公司 | Communication signal jammer and realization method thereof |
| CN106161314A (en) * | 2015-03-31 | 2016-11-23 | 中国移动通信集团公司 | Wireless signal interference method and device |
| CN106257850A (en) * | 2015-06-17 | 2016-12-28 | 凯瑟雷恩工厂两合公司 | For producing the method and system of interference signal |
| CN106257851A (en) * | 2015-06-19 | 2016-12-28 | 中国移动通信集团公司 | A kind of disturb the sending method of signal, device and interference unit |
| CN106330373A (en) * | 2015-07-03 | 2017-01-11 | 中国移动通信集团公司 | Synchronization method and apparatus in interference unit, and interference unit |
| CN106850120A (en) * | 2015-12-04 | 2017-06-13 | 大唐移动通信设备有限公司 | A kind of signal shielding method and equipment |
| CN106937388A (en) * | 2015-12-31 | 2017-07-07 | 上海贝尔股份有限公司 | Method and apparatus for configuring subframe |
| CN107171766A (en) * | 2017-07-21 | 2017-09-15 | 中国电子科技集团公司第二十九研究所 | A kind of LTE signal shielding methods and system based on system information |
| WO2018032998A1 (en) * | 2016-08-16 | 2018-02-22 | 大唐移动通信设备有限公司 | Signal interference apparatus and method |
| CN108988980A (en) * | 2017-05-31 | 2018-12-11 | 深圳世纪天成通讯设备开发有限公司 | A kind of frequency slot transmitting management method and system |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101170800A (en) * | 2006-10-27 | 2008-04-30 | 北京信威通信技术股份有限公司 | A terminal interference tool for TDD cellular communication system and its realization method |
| CN101645764B (en) * | 2008-09-28 | 2012-11-07 | 中国移动通信集团公司 | User upstream data-scheduling method and user equipment (UE) |
| CN102130712A (en) * | 2010-01-13 | 2011-07-20 | 华为技术有限公司 | Synchronizing method, device and base station |
-
2011
- 2011-12-29 CN CN201110451265.XA patent/CN103188028B/en active Active
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103634067A (en) * | 2013-10-24 | 2014-03-12 | 长沙宝庸通信科技有限公司 | Communication signal jammer and realization method thereof |
| CN106161314A (en) * | 2015-03-31 | 2016-11-23 | 中国移动通信集团公司 | Wireless signal interference method and device |
| CN106257850A (en) * | 2015-06-17 | 2016-12-28 | 凯瑟雷恩工厂两合公司 | For producing the method and system of interference signal |
| CN106257851B (en) * | 2015-06-19 | 2019-01-01 | 中国移动通信集团公司 | A kind of sending method of interference signal, device and interference unit |
| CN106257851A (en) * | 2015-06-19 | 2016-12-28 | 中国移动通信集团公司 | A kind of disturb the sending method of signal, device and interference unit |
| CN106330373A (en) * | 2015-07-03 | 2017-01-11 | 中国移动通信集团公司 | Synchronization method and apparatus in interference unit, and interference unit |
| CN106330373B (en) * | 2015-07-03 | 2020-01-17 | 中国移动通信集团公司 | Synchronization method and device in interference unit and interference unit |
| CN106850120A (en) * | 2015-12-04 | 2017-06-13 | 大唐移动通信设备有限公司 | A kind of signal shielding method and equipment |
| CN106937388A (en) * | 2015-12-31 | 2017-07-07 | 上海贝尔股份有限公司 | Method and apparatus for configuring subframe |
| CN107769886A (en) * | 2016-08-16 | 2018-03-06 | 大唐移动通信设备有限公司 | A kind of signal interference apparatus and method |
| WO2018032998A1 (en) * | 2016-08-16 | 2018-02-22 | 大唐移动通信设备有限公司 | Signal interference apparatus and method |
| CN107769886B (en) * | 2016-08-16 | 2020-02-14 | 大唐移动通信设备有限公司 | Signal interference device and method |
| CN108988980A (en) * | 2017-05-31 | 2018-12-11 | 深圳世纪天成通讯设备开发有限公司 | A kind of frequency slot transmitting management method and system |
| CN107171766A (en) * | 2017-07-21 | 2017-09-15 | 中国电子科技集团公司第二十九研究所 | A kind of LTE signal shielding methods and system based on system information |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103188028B (en) | 2015-08-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103188028B (en) | A kind of signal interference method and signal disturbing device | |
| CN102868421B (en) | The signal shielding method of wireless communication system, Apparatus and system | |
| CN106686733B (en) | Signal processing method and base station | |
| CN100353806C (en) | Relay switch-over method in TD-SCDMA mobile communication system | |
| CN105828349A (en) | Far-end interference detection method and far-end interference detection device based on TD-LTE system | |
| CN100576773C (en) | The repeater obtains the method for transfer point in a kind of TD-SCDMA system | |
| CN102271391A (en) | Method and system for realizing synchronization among miniature base stations | |
| EP3589055A1 (en) | Mobility-based radio resource assignment | |
| CN105338612B (en) | Synchronization and control method and device of wireless repeater and wireless repeater | |
| CN103248448A (en) | TD-SCDMA/TD-LTE downlink shielding device and design method thereof | |
| CN102739337A (en) | Device and method for shielding mobile phone signal by time division synchronous control | |
| CN106209180B (en) | Downlink antenna selection method and device of distributed base station | |
| CN100518019C (en) | Space interface synchronous method | |
| US20170325248A1 (en) | Device | |
| CN100536360C (en) | A multi-cell joint detection method of the broadcast channel in the time-division duplex system | |
| US8340661B2 (en) | Low-cost multimode GSM monitoring from TD-SCDMA | |
| CN101730129B (en) | Method, device and system for measuring Inter-RAT system | |
| CN101170800A (en) | A terminal interference tool for TDD cellular communication system and its realization method | |
| CN203166946U (en) | TD-SCDMA/TD-LTE downlink shielding device | |
| CN101998483A (en) | Method and device for configuring measurement time for home base station | |
| EP3739977B1 (en) | Method and device for synchronization between base stations | |
| CN103167598B (en) | A kind of remote communication method and device | |
| CN105472633A (en) | Electronic equipment and method for synchronization detection between time division duplexing wireless communication cells | |
| CN101237272B (en) | RF channel synchronization system and method | |
| CN103857057A (en) | Method and device for sending random access type leader sequence based on LTE-TDD mode |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |