CN110324100A - A kind of caused method and system interfered in detection radio station - Google Patents

A kind of caused method and system interfered in detection radio station Download PDF

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Publication number
CN110324100A
CN110324100A CN201910625041.2A CN201910625041A CN110324100A CN 110324100 A CN110324100 A CN 110324100A CN 201910625041 A CN201910625041 A CN 201910625041A CN 110324100 A CN110324100 A CN 110324100A
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China
Prior art keywords
sinr
terminal
interfered
radio station
base station
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CN201910625041.2A
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CN110324100B (en
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卜智勇
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Chengdu Zhongke Micro Information Technology Research Institute Co Ltd
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Chengdu Zhongke Micro Information Technology Research Institute Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/309—Measuring or estimating channel quality parameters
    • H04B17/345—Interference values
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/08—Testing, supervising or monitoring using real traffic

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The invention discloses a kind of method and system of interference caused by detection radio station, which comprises the lower line number that terminal receives base station passes；The terminal measures the RS for each RB that base station down number passes used interface-free resources；The terminal calculates the SINR of the RS of each RB；The terminal judges whether to be interfered by radio signals according to the SINR of the RS of each RB.For the present invention using being transmitted through in journey in lower line number, the SINR of the RS of each RB judges whether RB is interfered by radio signals, and the detection to interference caused by radio station may be implemented, find the place that radio station is specifically interfered.

Description

A kind of caused method and system interfered in detection radio station
Technical field
The present invention relates to wireless communication technology field, the method and system of interference caused by especially a kind of detection radio station.
Background technique
In present State Grid's communication system, it is the communication equipment based on radio station that wireless communication is mostly, electric system just according to Ensure the communication of electric system, by these radio station to safeguard the safe operation of national grid.State Grid's system also positive group simultaneously In current broadband system, the communication system of new generation of State Grid is planned.
This results in national grid within following a period of time, and radio station and the new generation broadband communication technology coexist, and by In advantages such as the exclusive secrecy in radio station, in view of national grid to the importance of national security, this trend duration also compares It is long.
Currently, eating dishes without rice or wine to interfere caused by processing pylon, primary target is to find radio station specifically to interfere place, Huo Zhegui Keep away the means of interference.National grid has used RB bandwidth to use bandwidth consistent with radio station, while realizing interference using frequency hopping Randomization, code block packet retransmissions present or base station period in the special occasion, without the transmitting-receiving of data, and monopolize formula in carrying out Measurement.
These existing technologies tolerate interference caused by radio station or sacrificial by sacrificing transmission efficiency of air interface The domestic animal processing capacity of base station preciousness.
Summary of the invention
The technical problems to be solved by the present invention are: in view of the above problems, provide caused by a kind of detection radio station The method and system of interference.
The method interfered caused by a kind of detection radio station provided by the invention, comprising:
The lower line number that terminal receives base station passes；
The terminal measures the RS for each RB that base station down number passes used interface-free resources；
The terminal calculates the SINR of the RS of each RB；
The terminal judges whether to be interfered by radio signals according to the SINR of the RS of each RB.
Further, the terminal judges whether the method interfered by radio signals according to the SINR of the RS of each RB Are as follows:
The SINR of the RS of each RB is denoted as x by the terminali, wherein i indicates i-th of RB；And calculate the RS of all RB The average value of SINR, is denoted as avg；
The terminal judges whether the SINR of the RS of each RB meets condition avg-x one by onei> m, if satisfied, then judgement should Interference of the RB by radio signals；Wherein m is given threshold.
Preferably, the given threshold m selects the poor sensitivity of rank not less than adjacent mcs.
The present invention also provides a kind of systems of interference caused by detection radio station, including terminal and base station；The terminal includes:
Receiving module, the lower line number for receiving base station pass；
Measurement module is measured for passing the RS of each RB of used interface-free resources to base station down number；
Computing module, the SINR of the RS for calculating each RB；
Judgment module, the SINR for the RS according to each RB judge whether to be interfered by radio signals.
Further, the judgment module, specifically for being denoted as x for the SINR of the RS of each RBi, wherein i indicates i-th A RB；And the average value of the SINR of the RS of all RB is calculated, it is denoted as avg；Judge whether the SINR of the RS of each RB meets one by one Condition avg-xi> m, if satisfied, then judging interference of the RB by radio signals；Wherein m is given threshold.
Preferably, the given threshold m selects the poor sensitivity of rank not less than adjacent mcs.
In conclusion by adopting the above-described technical solution, the beneficial effects of the present invention are:
For the present invention using being transmitted through in journey in lower line number, the SINR of the RS of each RB judges whether RB is dry by radio signals It disturbs, the detection to interference caused by radio station may be implemented, find the place that radio station is specifically interfered.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the flow diagram for the method interfered caused by detection radio station of the invention.
Fig. 2-3 is the structural block diagram for the system interfered caused by detection radio station of the invention.
Appended drawing reference: 10- terminal, 11- receiving module, 12- measurement module, 13- computing module, 14- judgment module, 20- Base station.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right The present invention is further elaborated.It should be appreciated that described herein, specific examples are only used to explain the present invention, not For limiting the present invention, i.e., described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is logical The component for the embodiment of the present invention being often described and illustrated herein in the accompanying drawings can be arranged and be designed with a variety of different configurations. Therefore, claimed invention is not intended to limit to the detailed description of the embodiment of the present invention provided in the accompanying drawings below Range, but be merely representative of selected embodiment of the invention.Based on the embodiment of the present invention, those skilled in the art are not having Every other embodiment obtained under the premise of creative work is made, shall fall within the protection scope of the present invention.
Feature and performance of the invention are described in further detail with reference to embodiments.
Embodiment 1
The method interfered caused by a kind of detection radio station provided in this embodiment, as shown in Figure 1, comprising:
The lower line number that terminal 10 receives base station 20 passes；
The terminal 10 passes the RS (Reference of each RB of used interface-free resources to the lower line number in base station 20 Signal, reference signal) it measures；
The terminal 10 calculates SINR (the Signal to Interference plus Noise of the RS of each RB Ratio, Signal to Interference plus Noise Ratio)；
The terminal 10 judges whether to be interfered by radio signals according to the SINR of the RS of each RB.
Wherein, the RS (Reference Signal, reference signal) of each RB is measured, and calculate the RS of each RB SINR (Signal to Interference plus Noise Ratio, Signal to Interference plus Noise Ratio), can be according to state's net The prior art of LTE is implemented.If RB is interfered by radio signals, the SINR of RS can be generated because being interfered by radio signals Fluctuation, the present invention may be implemented to may determine that whether RB is interfered by radio signals according to the SINR of the RS of each RB as a result,.Tool Body method are as follows:
The SINR of the RS of each RB is denoted as x by the terminal 10i, wherein i indicates i-th of RB；And calculate the RS of all RB SINR average value, be denoted as avg；
The terminal 10 judges whether the SINR of the RS of each RB meets condition avg-x one by onei> m, if satisfied, then judging Interference of the RB by radio signals；Wherein m is given threshold.
By the above process it is found that the SINR due to RS can generate fluctuation because being interfered by radio signals, then RS RB of the SINR less than average value avg can tentatively be judged as to be interfered by radio signals, in order to avoid other factors bring RB's The SINR of RS generates the influence of minor fluctuations, is judged by way of given threshold.In the present embodiment, the given threshold M selects the poor sensitivity of rank not less than adjacent mcs (Modulation and Coding Scheme, modulation and coding strategy).
Embodiment 2
The method of interference caused by a kind of detection radio station provided based on embodiment 1, the present embodiment provides a kind of detection electricity The system interfered caused by platform, as shown in Fig. 2, including terminal 20 and base station 10；The terminal includes:
Receiving module 11, the lower line number for receiving base station 20 pass；
The RS of measurement module 12, each RB for passing used interface-free resources to the lower line number in base station 20 is measured；
Computing module 13, the SINR of the RS for calculating each RB；
Judgment module 14, the SINR for the RS according to each RB judge whether to be interfered by radio signals.
Wherein, the judgment module 14, specifically for being denoted as x for the SINR of the RS of each RBi, wherein i is indicated i-th RB；And the average value of the SINR of the RS of all RB is calculated, it is denoted as avg；Judge whether the SINR of the RS of each RB meets item one by one Part avg-xi> m, if satisfied, then judging interference of the RB by radio signals；Wherein m is given threshold.
By the course of work of above-mentioned judgment module 14 it is found that the SINR due to RS can be produced because being interfered by radio signals Raw fluctuation, then RB of the SINR of RS less than average value avg can tentatively be judged as is interfered by radio signals, in order to avoid other Factor brings the SINR of the RS of RB to generate the influence of minor fluctuations, is judged by way of given threshold.In the present embodiment, The given threshold m selects rank not less than adjacent mcs (Modulation and Coding Scheme, modulation and coding strategy) Poor sensitivity.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.

Claims (6)

1. a kind of method interfered caused by detection radio station characterized by comprising
The lower line number that terminal receives base station passes；
The terminal measures the RS for each RB that base station down number passes used interface-free resources；
The terminal calculates the SINR of the RS of each RB；
The terminal judges whether to be interfered by radio signals according to the SINR of the RS of each RB.
2. the method interfered caused by detection radio station according to claim 1, which is characterized in that the terminal is according to each The SINR of the RS of RB judges whether the method interfered by radio signals are as follows:
The SINR of the RS of each RB is denoted as x by the terminali, wherein i indicates i-th of RB；And calculate the SINR of the RS of all RB Average value, be denoted as avg；
The terminal judges whether the SINR of the RS of each RB meets condition avg-x one by onei> m, if satisfied, then judge the RB by The interference of radio signals；Wherein m is given threshold.
3. the method interfered caused by detection radio station according to claim 2, which is characterized in that the given threshold m is not Less than the poor sensitivity that adjacent mcs selects rank.
4. the system interfered caused by a kind of detection radio station, which is characterized in that including terminal and base station；The terminal includes:
Receiving module, the lower line number for receiving base station pass；
Measurement module is measured for passing the RS of each RB of used interface-free resources to base station down number；
Computing module, the SINR of the RS for calculating each RB；
Judgment module, the SINR for the RS according to each RB judge whether to be interfered by radio signals.
5. the system interfered caused by detection radio station according to claim 4, which is characterized in that the judgment module, tool Body is used to the SINR of the RS of each RB being denoted as xi, wherein i indicates i-th of RB；And the SINR for calculating the RS of all RB is averaged Value, is denoted as avg；Judge whether the SINR of the RS of each RB meets condition avg-x one by onei> m, if satisfied, then judge the RB by The interference of radio signals；Wherein m is given threshold.
6. the system interfered caused by detection radio station according to claim 4, which is characterized in that the given threshold m is not Less than the poor sensitivity that adjacent mcs selects rank.
CN201910625041.2A 2019-07-11 2019-07-11 Method and system for detecting interference caused by radio station Active CN110324100B (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101572562A (en) * 2008-05-04 2009-11-04 凌阳电通科技股份有限公司 Method for eliminating interference
CN104052700A (en) * 2014-05-27 2014-09-17 北京创毅视讯科技有限公司 LTE system anti-interference method and device
US20150263796A1 (en) * 2014-03-14 2015-09-17 Samsung Electronics Co., Ltd. Channel state information for reporting an advanced wireless communications system
CN105991244A (en) * 2015-01-29 2016-10-05 北京三星通信技术研究有限公司 Method and equipment for measuring and reporting channel state information
WO2018235208A1 (en) * 2017-06-21 2018-12-27 株式会社Ｎｔｔドコモ User equipment and wireless communication method

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101572562A (en) * 2008-05-04 2009-11-04 凌阳电通科技股份有限公司 Method for eliminating interference
US20150263796A1 (en) * 2014-03-14 2015-09-17 Samsung Electronics Co., Ltd. Channel state information for reporting an advanced wireless communications system
CN104052700A (en) * 2014-05-27 2014-09-17 北京创毅视讯科技有限公司 LTE system anti-interference method and device
CN105991244A (en) * 2015-01-29 2016-10-05 北京三星通信技术研究有限公司 Method and equipment for measuring and reporting channel state information
WO2018235208A1 (en) * 2017-06-21 2018-12-27 株式会社Ｎｔｔドコモ User equipment and wireless communication method

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