CN105657727B - The determination method and device thereof of interference signal interference type - Google Patents
The determination method and device thereof of interference signal interference type Download PDFInfo
- Publication number
- CN105657727B CN105657727B CN201410725571.1A CN201410725571A CN105657727B CN 105657727 B CN105657727 B CN 105657727B CN 201410725571 A CN201410725571 A CN 201410725571A CN 105657727 B CN105657727 B CN 105657727B
- Authority
- CN
- China
- Prior art keywords
- interference
- determining
- resource
- detected
- data
- 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.)
- Active
Links
- 238000000034 method Methods 0.000 title claims abstract description 47
- 230000000903 blocking effect Effects 0.000 claims description 16
- 238000012163 sequencing technique Methods 0.000 claims description 4
- 230000002452 interceptive effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 14
- 238000004590 computer program Methods 0.000 description 7
- 238000012545 processing Methods 0.000 description 6
- 230000006870 function Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
Landscapes
- Mobile Radio Communication Systems (AREA)
Abstract
The embodiment of the invention discloses a kind of determination methods of interference signal interference type, comprising: obtains interference data to be detected；At least two resource unit groups are determined on frequency domain using the interference data to be detected；Calculate Interference Signal Code Power corresponding to each resource unit group；The corresponding interference type of the interference data to be detected is determined according to Interference Signal Code Power corresponding to each resource unit group.The embodiment of the invention also discloses a kind of devices of determining interference signal interference type.
Description
Technical Field
The present invention relates to wireless communication technologies, and in particular, to a method and an apparatus for determining an interference type of an interference signal.
Background
In a Time Division Long Term Evolution (TD-LTE) system, the following method is often adopted to determine the interference type of an interference signal, and the method includes: the method comprises the steps that a webmaster in the TD-LTE system monitors and acquires uplink interference data on a TD-LTE frequency band in real time, outputs the uplink interference data, and manually counts the uplink interference data and draws an interference waveform diagram through a counting method, so that the interference type of an interference signal is judged according to the interference waveform diagram; because the existing method for judging the interference type of the interference signal is a manual method, the processing speed is low, the real-time performance is poor, and the efficiency of solving the interference problem is reduced.
Disclosure of Invention
In order to solve the existing technical problem, embodiments of the present invention provide a method and an apparatus for determining an interference type of an interference signal, which can quickly determine the interference type of the interference signal.
The technical scheme of the embodiment of the invention is realized as follows: the embodiment of the invention provides a method for determining interference types of interference signals, which comprises the following steps:
acquiring interference data to be detected;
determining at least two resource unit groups on a frequency domain by using the interference data to be detected;
calculating the interference signal code power corresponding to each resource unit group;
and determining the interference type corresponding to the interference data to be detected according to the interference signal code power corresponding to each resource unit group.
In the above scheme, the acquiring interference data to be detected includes:
acquiring interference data within preset time;
and determining average interference data of the interference data in the preset time in a time domain, and taking the average interference data as interference data to be detected.
In the foregoing scheme, the determining at least two resource unit groups in the frequency domain by using the interference data to be detected includes:
determining all resource units corresponding to the interference data to be detected; the first number of the resource units corresponds to the frequency band bandwidth of the interference data to be detected;
determining interference noise power of each resource unit;
sequencing all resource units based on the interference noise power;
and dividing all the resource units into at least two resource unit groups in the time domain according to the arrangement result.
In the foregoing scheme, the interference types include: blocking interference; in a corresponding manner, the first and second electrodes are,
determining the interference type corresponding to the interference data to be detected according to the interference signal code power corresponding to each resource unit group, including:
determining a first preset interference threshold;
counting a second number of resource unit groups with interference signal code power larger than the first preset interference threshold;
and when the second number is determined to be larger than or equal to a first preset threshold value, determining the interference type corresponding to the interference data to be detected as blocking interference.
In the foregoing scheme, the interference types include: stray interference; in a corresponding manner, the first and second electrodes are,
determining the interference type corresponding to the interference data to be detected according to the interference signal code power corresponding to each resource unit group, including:
determining a first preset interference threshold;
determining that the interference signal code power corresponding to a first resource unit group is greater than the first preset interference threshold, and determining that the interference signal code power corresponding to the resource unit groups in the at least two resource unit groups has a sequentially increasing trend, and determining the interference type corresponding to the interference data to be detected as the stray interference;
wherein the first resource element group is a first resource element group of the at least two resource element groups.
In the foregoing solution, when it is determined that the interference signal code powers corresponding to the resource element groups in the at least two resource element groups have a sequentially increasing trend, determining the interference type corresponding to the interference data to be detected as the spurious interference includes:
determining a third number of resource unit groups corresponding to a sequentially increasing trend when the interference signal code power corresponding to the resource unit groups in the at least two resource unit groups is determined to have the sequentially increasing trend;
and when the third number is greater than or equal to a second preset threshold value, determining the interference type corresponding to the interference data to be detected as the stray interference.
In the foregoing scheme, the interference types include: intermodulation interference; in a corresponding manner, the first and second electrodes are,
determining the interference type corresponding to the interference data to be detected according to the interference signal code power corresponding to each resource unit group, including:
determining a first preset interference threshold;
and determining that the interference signal code power corresponding to each resource unit group is greater than the first preset interference threshold, and determining that the interference type corresponding to the interference data to be detected is intermodulation interference when the at least two resource unit groups meet the first preset condition or the second preset condition.
In the above scheme, when the number of the resource element groups is N, the N is a natural number greater than or equal to 3; in a corresponding manner, the first and second electrodes are,
the first preset condition is as follows: the difference between the nth resource unit group and the (n-2) th resource unit group is greater than a third preset threshold; and the difference between the nth resource unit group and the (n + 2) th resource unit group is greater than a third preset threshold;
the second preset condition is as follows: the difference between the nth resource unit group and the (n-3) th resource unit group is greater than a fourth preset threshold; and the difference between the nth resource unit group and the (n + 3) th resource unit group is greater than a fourth preset threshold;
wherein the nth resource element group is an nth resource element group of the at least two resource element groups; the n-2 resource element group is the (n-2) th resource element group in the at least two resource element groups; the n +2 resource element group is an n +2 th resource element group of the at least two resource element groups; the n-3 resource element group is the (n-3) th resource element group in the at least two resource element groups; the n +3 resource element group is an n +3 th resource element group of the at least two resource element groups; in the first preset condition, N is a natural number which is more than or equal to 2 and less than or equal to N-2; in the second preset condition, N is a natural number which is greater than or equal to 3 and less than or equal to N-3.
The embodiment of the invention also provides a device for determining the interference type of the interference signal, which comprises the following steps:
the acquisition unit is used for acquiring interference data to be detected;
a first determining unit, configured to determine at least two resource element groups in a frequency domain by using the interference data to be detected;
the computing unit is used for computing the interference signal code power corresponding to each resource unit group;
and a second determining unit, configured to determine an interference type corresponding to the interference data to be detected according to the interference signal code power corresponding to each resource unit group.
In the foregoing solution, the obtaining unit includes:
the acquisition subunit is used for acquiring interference data within preset time;
and the calculating subunit is used for determining average interference data of the interference data within the preset time in a time domain, and using the average interference data as interference data to be detected.
In the foregoing solution, the first determining unit includes:
the first determining subunit is configured to determine all resource units corresponding to the interference data to be detected; the first number of the resource units corresponds to the frequency band bandwidth of the interference data to be detected;
a second determining subunit, configured to determine an interference noise power of each resource unit;
a sorting subunit, configured to sort all resource units based on the interference noise power;
and the grouping subunit is used for dividing all the resource units into at least two resource unit groups in a time domain according to the arrangement result.
In the foregoing scheme, the interference types include: blocking interference; in a corresponding manner, the first and second electrodes are,
the second determination unit includes:
the interference threshold determining subunit is used for determining a first preset interference threshold;
a counting subunit, configured to count a second number of resource element groups whose interference signal code power is greater than the first preset interference threshold;
and the first judging subunit is configured to determine, when it is determined that the second number is greater than or equal to a first preset threshold, the interference type corresponding to the to-be-detected interference data as blocking interference.
In the foregoing scheme, the interference types include: stray interference; in a corresponding manner, the first and second electrodes are,
the second determination unit includes:
the interference threshold determining subunit is used for determining a first preset interference threshold;
a second judging subunit, configured to determine that the interference signal code power corresponding to the first resource unit group is greater than the first preset interference threshold, and determine that the interference signal code power corresponding to the resource unit groups in the at least two resource unit groups gradually increases, and determine the interference type corresponding to the interference data to be detected as a stray interference;
wherein the first resource element group is a first resource element group of the at least two resource element groups.
In the foregoing solution, the second determining subunit is further configured to determine, when there is a sequentially increasing trend in the interference signal code powers corresponding to the resource element groups in the at least two resource element groups, a third number of resource element groups corresponding to the sequentially increasing trend;
and when the third number is greater than or equal to a second preset threshold value, determining the interference type corresponding to the interference data to be detected as the stray interference.
In the foregoing scheme, the interference types include: intermodulation interference; in a corresponding manner, the first and second electrodes are,
the second determination unit includes:
the interference threshold determining subunit is used for determining a first preset interference threshold;
and the third judging subunit is configured to determine that the code power of the interference signal corresponding to each resource unit group is greater than the first preset interference threshold, and determine that the interference type corresponding to the to-be-detected interference data is intermodulation interference when the at least two resource unit groups meet the first preset condition or the second preset condition.
The method and the device for determining the interference type of the interference signal can utilize the monitoring data of the network manager in the TD-LTE system to quickly analyze the interference type of the interference data to be detected, so that the embodiment of the invention has strong real-time performance, can lay a foundation for solving the interference source in a targeted manner according to the interference type, and further lay a foundation for improving the network quality.
Drawings
Fig. 1 is a schematic flow chart illustrating an implementation of a method for determining an interference type of an interference signal according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an apparatus for determining an interference type of an interference signal according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a structure of an acquisition unit according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a structure of a first determining unit according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of a second determining unit according to an embodiment of the present invention;
fig. 6 is a flowchart illustrating a specific implementation of the method for determining an interference type of an interference signal according to an embodiment of the present invention.
Detailed Description
So that the manner in which the features and aspects of the present invention can be understood in detail, a more particular description of the invention, briefly summarized above, may be had by reference to embodiments, some of which are illustrated in the appended drawings.
Example one
Fig. 1 is a schematic flow chart of an implementation of a method for determining an interference type of an interference signal according to an embodiment of the present invention, as shown in fig. 1, the method includes:
step 101: acquiring interference data to be detected;
in this embodiment, the acquiring interference data to be detected includes:
acquiring interference data within preset time;
and determining average interference data of the interference data in the preset time in a time domain, and taking the average interference data as interference data to be detected.
Here, the average interference data is a mathematical average of interference data in a preset time, that is, a sum of all interference data acquired in the preset time is divided by a duration corresponding to the preset time.
Step 102: determining at least two resource unit groups on a frequency domain by using the interference data to be detected;
in this embodiment, the determining at least two resource element groups in the frequency domain by using the interference data to be detected includes:
determining all resource units corresponding to the interference data to be detected; the first number of the resource units corresponds to the frequency band bandwidth of the interference data to be detected;
determining interference noise power of each resource unit;
sequencing all resource units based on the interference noise power;
and dividing all the resource units into at least two resource unit groups in the time domain according to the arrangement result.
Before determining all resource units corresponding to the interference data to be detected, firstly determining a frequency band bandwidth corresponding to the interference data to be detected, and then determining the number of resource units corresponding to the frequency band bandwidth based on the frequency band bandwidth; thus, all resource units corresponding to the interference data to be detected are determined.
In this embodiment, after determining the interference noise power of each resource unit, the resource units are sorted in a descending order based on the interference noise power; grouping all resource units into M groups according to the descending order arrangement result; wherein M is a positive integer greater than or equal to 2; generally, due to equipment limitations, the value of M is 10; that is, all resource units are divided into 10 groups according to the descending sorting result, and each group is called a resource unit group, i.e. 10 resource unit groups.
Therefore, after the interference data are preprocessed and grouped in the steps 101 and 102, a foundation can be laid for determining the interference type corresponding to the interference data to be detected by using the grouped resource unit group.
Step 103: calculating the Interference Signal Code Power (ISCP) corresponding to each resource unit group;
step 104: and determining the interference type corresponding to the interference data to be detected according to the interference signal code power corresponding to each resource unit group.
In this embodiment, the interference types include: blocking interference; in a corresponding manner, the first and second electrodes are,
determining the interference type corresponding to the interference data to be detected according to the interference signal code power corresponding to each resource unit group, including:
determining a first preset interference threshold;
counting a second number of resource unit groups with interference signal code power larger than the first preset interference threshold;
and when the second number is determined to be larger than or equal to a first preset threshold value, determining the interference type corresponding to the interference data to be detected as blocking interference.
In this embodiment, the interference types include: stray interference; in a corresponding manner, the first and second electrodes are,
determining the interference type corresponding to the interference data to be detected according to the interference signal code power corresponding to each resource unit group, including:
determining a first preset interference threshold;
determining that the interference signal code power corresponding to a first resource unit group is greater than the first preset interference threshold, and determining that the interference signal code power corresponding to the resource unit groups in the at least two resource unit groups has a sequentially increasing trend, and determining the interference type corresponding to the interference data to be detected as the stray interference;
wherein the first resource element group is a first resource element group of the at least two resource element groups.
In this embodiment, when it is determined that the interference signal code powers corresponding to the resource element groups in the at least two resource element groups have a sequentially increasing trend, determining the interference type corresponding to the interference data to be detected as the spurious interference includes:
determining a third number of resource unit groups corresponding to a sequentially increasing trend when the interference signal code power corresponding to the resource unit groups in the at least two resource unit groups is determined to have the sequentially increasing trend;
and when the third number is greater than or equal to a second preset threshold value, determining the interference type corresponding to the interference data to be detected as the stray interference.
In this embodiment, the interference types include: intermodulation interference; in a corresponding manner, the first and second electrodes are,
determining the interference type corresponding to the interference data to be detected according to the interference signal code power corresponding to each resource unit group, including:
determining a first preset interference threshold;
and determining that the interference signal code power corresponding to each resource unit group is greater than the first preset interference threshold, and determining that the interference type corresponding to the interference data to be detected is intermodulation interference when the at least two resource unit groups meet the first preset condition or the second preset condition.
In this embodiment, when the number of the resource element groups is N, the N is a natural number greater than or equal to 3; in a corresponding manner, the first and second electrodes are,
the first preset condition is as follows: the difference between the nth resource unit group and the (n-2) th resource unit group is greater than a third preset threshold; and the difference between the nth resource unit group and the (n + 2) th resource unit group is greater than a third preset threshold;
the second preset condition is as follows: the difference between the nth resource unit group and the (n-3) th resource unit group is greater than a fourth preset threshold; and the difference between the nth resource unit group and the (n + 3) th resource unit group is greater than a fourth preset threshold;
wherein the nth resource element group is an nth resource element group of the at least two resource element groups; the n-2 resource element group is the (n-2) th resource element group in the at least two resource element groups; the n +2 resource element group is an n +2 th resource element group of the at least two resource element groups; the n-3 resource element group is the (n-3) th resource element group in the at least two resource element groups; the n +3 resource element group is an n +3 th resource element group of the at least two resource element groups;
it is noted that in the first preset condition, N is a natural number which is greater than or equal to 2 and less than or equal to N-2; in the second preset condition, N is a natural number which is greater than or equal to 3 and less than or equal to N-3.
In this embodiment, the first preset interference threshold is: interference data/first frequency band bandwidth to be detected; the first frequency band bandwidth is a first frequency band bandwidth corresponding to the interference data to be detected;
or, the first preset interference threshold is: the sum of interference data/second frequency band bandwidth in preset time; and the second frequency band bandwidth is a second frequency band bandwidth corresponding to the interference data in the preset time.
It should be noted that in this embodiment, the second number, the third number, the first preset condition, and the second preset condition are all empirical values, and are obtained by analyzing the interference data within the existing preset time; since the second number, the third number, the first preset condition and the second preset condition are all empirical values, or estimation values, the method of this embodiment cannot determine the interference types of all the interference data to be detected, but can determine the interference types of most of the interference data to be detected;
although the method described in this embodiment cannot determine the interference types of all the interference data to be detected, the method described in this embodiment is a fast determination method, and therefore, the interference types of the interference data to be detected can be quickly estimated, so that the interference source problem can be specifically solved by combining the interference types, and the network quality is further improved;
in addition, the method of the embodiment can be operated in the electronic device, so that the method can replace the existing method for manually judging the interference type of the interference signal; compared with the existing manual judgment method, the method is more intelligent; moreover, the method is fast, high in real-time performance and high in efficiency.
In this embodiment of the present invention, the resource unit is a minimum resource unit used in uplink transmission data or downlink transmission data corresponding to the interference data, that is, a unit corresponding to a subcarrier on an Orthogonal Frequency Division Multiplexing (OFDM) symbol; the resource unit group is a first resource unit allocated by the TD-LTE system for the service channel corresponding to the interference data, and one first resource unit group is composed of 12 subcarriers in the frequency domain and a slot cycle in the time domain.
In this embodiment, when it is determined that the interference types of the interference data to be detected are not blocking interference, spurious interference, or intermodulation interference, according to the method, the method further includes:
acquiring interference data within preset time;
determining an interference signal code power of the interference data;
determining a first preset interference threshold;
and when the interference signal code power of at least one interference data in the preset time is greater than the first preset interference threshold, determining the interference type of the interference data in the preset time as other interference types.
In this embodiment, the method further includes:
and when the interference signal code power of all the interference data in the preset time is less than or equal to the first preset interference threshold, determining that the interference data in the preset time is not interfered.
In order to implement the foregoing method, an embodiment of the present invention further provides an apparatus for determining an interference type of an interference signal, as shown in fig. 2, where the apparatus includes:
an obtaining unit 21, configured to obtain interference data to be detected;
a first determining unit 22, configured to determine at least two resource element groups in a frequency domain by using the interference data to be detected;
a calculating unit 23, configured to calculate an interference signal code power corresponding to each resource unit group;
a second determining unit 24, configured to determine an interference type corresponding to the interference data to be detected according to the interference signal code power corresponding to each resource unit group.
In the foregoing solution, as shown in fig. 3, the obtaining unit 21 includes:
an obtaining subunit 211, configured to obtain interference data within a preset time;
and the computing subunit 212 is configured to determine, in a time domain, average interference data of the interference data within the preset time, and use the average interference data as interference data to be detected.
In the foregoing solution, as shown in fig. 4, the first determining unit 22 includes:
a first determining subunit 221, configured to determine all resource units corresponding to the interference data to be detected; the first number of the resource units corresponds to the frequency band bandwidth of the interference data to be detected;
a second determining subunit 222, configured to determine an interference noise power of each resource unit;
a sorting subunit 223, configured to sort all resource units based on the interference noise power;
a grouping subunit 224, configured to divide all resource units into at least two resource unit groups in the time domain according to the arrangement result.
In the foregoing scheme, the interference types include: blocking interference; correspondingly, as shown in fig. 5,
the second determination unit 24 includes:
an interference threshold determination subunit 241, configured to determine a first preset interference threshold;
a counting subunit 242, configured to count a second number of resource element groups whose interference signal code power is greater than the first preset interference threshold;
and a first determining subunit 243, configured to determine, when it is determined that the second number is greater than or equal to a first preset threshold, the interference type corresponding to the to-be-detected interference data as blocking interference.
In the foregoing scheme, the interference types include: stray interference; in a corresponding manner, the first and second electrodes are,
the second determination unit 24 includes:
an interference threshold determination subunit 241, configured to determine a first preset interference threshold;
a second determining subunit 244, configured to determine that the interference signal code power corresponding to the first resource element group is greater than the first preset interference threshold, and determine that the interference signal code power corresponding to the resource element groups in the at least two resource element groups gradually increases, and determine the interference type corresponding to the interference data to be detected as the spurious interference;
wherein the first resource element group is a first resource element group of the at least two resource element groups.
In the foregoing solution, the second determining subunit 244 is further configured to determine, when the interference signal code power corresponding to the resource unit groups in the at least two resource unit groups has a sequentially increasing trend, a third number of resource unit groups corresponding to the sequentially increasing trend;
and when the third number is greater than or equal to a second preset threshold value, determining the interference type corresponding to the interference data to be detected as the stray interference.
In the foregoing scheme, the interference types include: intermodulation interference; in a corresponding manner, the first and second electrodes are,
the second determination unit 24 includes:
an interference threshold determination subunit 241, configured to determine a first preset interference threshold;
a third determining subunit 245, configured to determine that the code power of the interference signal corresponding to each resource unit group is greater than the first preset interference threshold, and determine that the interference type corresponding to the to-be-detected interference data is determined to be intermodulation interference when it is determined that the at least two resource unit groups satisfy the first preset condition or the second preset condition.
Here, the acquiring unit 21, the first determining unit 22, the calculating unit 23, and the second determining unit 24 may all be run on a computer, and may be implemented by a Central Processing Unit (CPU), a Microprocessor (MPU), a Digital Signal Processor (DSP), or a programmable gate array (FPGA) on the computer.
Example two
Fig. 6 is a schematic flowchart of a specific implementation of a method for determining an interference type of an interference signal according to an embodiment of the present invention, where the method is applied to a TD-LTE system; as shown in fig. 3, the method includes:
step 601: the network management system in the TD-LTE system acquires interference data within preset time, and preprocesses the interference data within the preset time to obtain interference data to be detected;
here, the preprocessing process includes:
and determining average interference data of the interference data in the preset time in a time domain, and taking the average interference data as interference data to be detected.
Step 602: determining that the frequency band bandwidth corresponding to the interference data to be detected is 20M; then, determining 100 resource units (RB) corresponding to the frequency band bandwidth;
step 603: determining interference noise power of each RB in 100 RBs, and sequencing the 100 RBs in a descending order based on the interference noise power; dividing the 100 RBs into 10 resource unit groups according to the descending sorting result, wherein the resource unit groups are RB group 0 and RB group 1-RB group 9 respectively;
step 604: determining ISCP of each RB group, namely an Ave RB group 0, an Ave RB group 1 to an Ave RB group 9;
step 605: judging whether the interference type of the interference data to be detected is blocking interference or not, including:
judging whether the number of the Ave RB group 0, the Ave RB group 1 to the Ave RB group 9 which are larger than C is larger than or equal to 7, wherein the interference type of the interference data to be detected is blocking interference;
in this embodiment, the reference C is a first preset interference threshold, that is, the sum of interference data in the preset time/a duration corresponding to the preset time; the 7 is an empirical value.
Step 606: judging whether the interference type of the interference data to be detected is GSM1800 stray interference or not, including:
at least 3 of the following 5 inequalities are true, and when the Ave RB group 0> C, the interference type of the interference data to be detected is GSM1800 stray interference; wherein,
the inequality includes:
ave RB group 0> Ave RB group 1; ave RB group 1> Ave RB group 2;
ave RB group 2> Ave RB group 3; ave RB group 3> Ave RB group 4;
ave RB group 4> Ave RB group 5.
In this embodiment, 5 and 3 are both empirical values.
Step 607: judging whether the interference type of the interference data to be detected is intermodulation interference or not, including:
determining that the interference type of the interference data to be detected is intermodulation interference when the interference signal code power corresponding to each RB group meets a first preset condition or a second preset condition; wherein,
the first preset condition includes:
ave RB group n-2>8 db;
ave RB group n > C;
ave RB group n-Ave RB group n +2>8 db; wherein n is a natural number greater than 0 and less than or equal to 8;
the second preset condition includes:
ave RB group n-3>8 db;
ave RB group n > C;
ave RB group n-Ave RB group n +3>8 db; wherein n is a natural number greater than 0 and less than or equal to 7.
Step 608: judging whether the interference type of the interference data to be detected is other interference types, including:
and when the interference type of the interference data to be detected is determined not to be blocking interference, stray interference or intermodulation interference, and when the interference signal code power of at least one interference data in the preset time is greater than C, the interference type of the interference data to be detected is other interference types.
Step 609: judging whether the interference data to be detected is interference-free or not, including:
and when the interference signal code power of all the interference data in the preset time is less than or equal to the C, determining that the interference data in the preset time is not interfered.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of a hardware embodiment, a software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, optical storage, and the like) having computer-usable program code embodied therein.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
The foregoing is merely an example of the embodiments of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the embodiments of the present invention, and these modifications and decorations should also be regarded as the protection scope of the embodiments of the present invention.
Claims (15)
1. A method for determining an interference type of an interference signal, the method comprising:
acquiring interference data to be detected;
determining at least two resource unit groups on a frequency domain by using the interference data to be detected;
calculating the interference signal code power corresponding to each resource unit group;
and determining the interference type corresponding to the interference data to be detected according to the interference signal code power corresponding to each resource unit group.
2. The method according to claim 1, wherein the obtaining interference data to be detected comprises:
acquiring interference data within preset time;
and determining average interference data of the interference data in the preset time in a time domain, and taking the average interference data as interference data to be detected.
3. The method according to claim 1 or 2, wherein the determining at least two resource element groups in the frequency domain by using the interference data to be detected comprises:
determining all resource units corresponding to the interference data to be detected; the first number of the resource units corresponds to the frequency band bandwidth of the interference data to be detected;
determining interference noise power of each resource unit;
sequencing all resource units based on the interference noise power;
and dividing all the resource units into at least two resource unit groups in the time domain according to the arrangement result.
4. The method of claim 1, wherein the interference type comprises: blocking interference; in a corresponding manner, the first and second electrodes are,
determining the interference type corresponding to the interference data to be detected according to the interference signal code power corresponding to each resource unit group, including:
determining a first preset interference threshold;
counting a second number of resource unit groups with interference signal code power larger than the first preset interference threshold;
and when the second number is determined to be larger than or equal to a first preset threshold value, determining the interference type corresponding to the interference data to be detected as blocking interference.
5. The method of claim 1, wherein the interference type comprises: stray interference; in a corresponding manner, the first and second electrodes are,
determining the interference type corresponding to the interference data to be detected according to the interference signal code power corresponding to each resource unit group, including:
determining a first preset interference threshold;
determining that the interference signal code power corresponding to a first resource unit group is greater than the first preset interference threshold, and determining that the interference signal code power corresponding to the resource unit groups in the at least two resource unit groups has a sequentially increasing trend, and determining the interference type corresponding to the interference data to be detected as the stray interference;
wherein the first resource element group is a first resource element group of the at least two resource element groups.
6. The method according to claim 5, wherein when it is determined that there is a sequentially increasing trend in the interference signal code power corresponding to the resource element groups in the at least two resource element groups, determining the interference type corresponding to the interference data to be detected as the spurious interference includes:
determining a third number of resource unit groups corresponding to a sequentially increasing trend when the interference signal code power corresponding to the resource unit groups in the at least two resource unit groups is determined to have the sequentially increasing trend;
and when the third number is greater than or equal to a second preset threshold value, determining the interference type corresponding to the interference data to be detected as the stray interference.
7. The method of claim 1, wherein the interference type comprises: intermodulation interference; in a corresponding manner, the first and second electrodes are,
determining the interference type corresponding to the interference data to be detected according to the interference signal code power corresponding to each resource unit group, including:
determining a first preset interference threshold;
and determining that the interference signal code power corresponding to each resource unit group is greater than the first preset interference threshold, and determining that the interference type corresponding to the interference data to be detected is intermodulation interference when the at least two resource unit groups meet the first preset condition or the second preset condition.
8. The method according to claim 7, wherein when the number of the resource element groups is N, the N is a natural number greater than or equal to 3; in a corresponding manner, the first and second electrodes are,
the first preset condition is as follows: the difference between the nth resource unit group and the (n-2) th resource unit group is greater than a third preset threshold; and the difference between the nth resource unit group and the (n + 2) th resource unit group is greater than a third preset threshold;
the second preset condition is as follows: the difference between the nth resource unit group and the (n-3) th resource unit group is greater than a fourth preset threshold; and the difference between the nth resource unit group and the (n + 3) th resource unit group is greater than a fourth preset threshold;
wherein the nth resource element group is an nth resource element group of the at least two resource element groups; the n-2 resource element group is the (n-2) th resource element group in the at least two resource element groups; the n +2 resource element group is an n +2 th resource element group of the at least two resource element groups; the n-3 resource element group is the (n-3) th resource element group in the at least two resource element groups; the n +3 resource element group is an n +3 th resource element group of the at least two resource element groups; in the first preset condition, N is a natural number which is more than or equal to 2 and less than or equal to N-2; in the second preset condition, N is a natural number which is greater than or equal to 3 and less than or equal to N-3.
9. An apparatus for determining a type of interference from an interfering signal, the apparatus comprising:
the acquisition unit is used for acquiring interference data to be detected;
a first determining unit, configured to determine at least two resource element groups in a frequency domain by using the interference data to be detected;
the computing unit is used for computing the interference signal code power corresponding to each resource unit group;
and a second determining unit, configured to determine an interference type corresponding to the interference data to be detected according to the interference signal code power corresponding to each resource unit group.
10. The apparatus of claim 9, wherein the obtaining unit comprises:
the acquisition subunit is used for acquiring interference data within preset time;
and the calculating subunit is used for determining average interference data of the interference data within the preset time in a time domain, and using the average interference data as interference data to be detected.
11. The apparatus according to claim 9 or 10, wherein the first determining unit comprises:
the first determining subunit is configured to determine all resource units corresponding to the interference data to be detected; the first number of the resource units corresponds to the frequency band bandwidth of the interference data to be detected;
a second determining subunit, configured to determine an interference noise power of each resource unit;
a sorting subunit, configured to sort all resource units based on the interference noise power;
and the grouping subunit is used for dividing all the resource units into at least two resource unit groups in a time domain according to the arrangement result.
12. The apparatus of claim 9, wherein the interference type comprises: blocking interference; in a corresponding manner, the first and second electrodes are,
the second determination unit includes:
the interference threshold determining subunit is used for determining a first preset interference threshold;
a counting subunit, configured to count a second number of resource element groups whose interference signal code power is greater than the first preset interference threshold;
and the first judging subunit is configured to determine, when it is determined that the second number is greater than or equal to a first preset threshold, the interference type corresponding to the to-be-detected interference data as blocking interference.
13. The apparatus of claim 9, wherein the interference type comprises: stray interference; in a corresponding manner, the first and second electrodes are,
the second determination unit includes:
the interference threshold determining subunit is used for determining a first preset interference threshold;
a second judging subunit, configured to determine that the interference signal code power corresponding to the first resource unit group is greater than the first preset interference threshold, and determine that the interference signal code power corresponding to the resource unit groups in the at least two resource unit groups gradually increases, and determine the interference type corresponding to the interference data to be detected as a stray interference;
wherein the first resource element group is a first resource element group of the at least two resource element groups.
14. The apparatus according to claim 13, wherein the second determining subunit is further configured to determine, when there is a sequentially increasing trend in the iscp power corresponding to resource element groups in the at least two resource element groups, a third number of resource element groups corresponding to the sequentially increasing trend;
and when the third number is greater than or equal to a second preset threshold value, determining the interference type corresponding to the interference data to be detected as the stray interference.
15. The apparatus of claim 9, wherein the interference type comprises: intermodulation interference; in a corresponding manner, the first and second electrodes are,
the second determination unit includes:
the interference threshold determining subunit is used for determining a first preset interference threshold;
and the third judging subunit is configured to determine that the code power of the interference signal corresponding to each resource unit group is greater than the first preset interference threshold, and determine that the interference type corresponding to the to-be-detected interference data is intermodulation interference when the at least two resource unit groups meet the first preset condition or the second preset condition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410725571.1A CN105657727B (en) | 2014-12-03 | 2014-12-03 | The determination method and device thereof of interference signal interference type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410725571.1A CN105657727B (en) | 2014-12-03 | 2014-12-03 | The determination method and device thereof of interference signal interference type |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105657727A CN105657727A (en) | 2016-06-08 |
| CN105657727B true CN105657727B (en) | 2019-04-05 |
Family
ID=56481341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410725571.1A Active CN105657727B (en) | 2014-12-03 | 2014-12-03 | The determination method and device thereof of interference signal interference type |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105657727B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110768741B (en) * | 2016-09-30 | 2021-11-02 | ***通信有限公司研究院 | Interference analysis method and device |
| CN108289302B (en) * | 2017-01-10 | 2021-05-11 | ***通信集团河北有限公司 | Method and system for positioning atmospheric waveguide interference of TD-LTE network |
| CN107196730B (en) * | 2017-06-19 | 2019-06-14 | ***通信集团江苏有限公司 | Communication means and device for TDD system |
| CN107770813B (en) * | 2017-09-30 | 2021-03-30 | 华南理工大学 | LTE uplink interference classification method based on PCA and two-dimensional skewness characteristics |
| CN107979436B (en) * | 2017-11-10 | 2020-01-14 | 广州海格通信集团股份有限公司 | Interference signal generation method and device, computer equipment and storage medium |
| CN109995447A (en) * | 2017-12-31 | 2019-07-09 | ***通信集团湖北有限公司 | Interference type recognition methods, device, equipment and medium |
| CN114980194B (en) * | 2022-06-10 | 2024-05-03 | 中国联合网络通信集团有限公司 | Interference detection method, device and storage medium |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1656719A (en) * | 2002-05-29 | 2005-08-17 | 摩托罗拉公司 | Apparatus and method for dynamically selecting an ARQ method |
| EP1675325A1 (en) * | 2004-02-26 | 2006-06-28 | Bouygues Telecom | Method for radio resource allocation between various mobile classes |
| KR20130119209A (en) * | 2012-04-23 | 2013-10-31 | 주식회사 케이티 | Method for charging data of prepaid subscriber subcribed with multi-different networks |
-
2014
- 2014-12-03 CN CN201410725571.1A patent/CN105657727B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1656719A (en) * | 2002-05-29 | 2005-08-17 | 摩托罗拉公司 | Apparatus and method for dynamically selecting an ARQ method |
| EP1675325A1 (en) * | 2004-02-26 | 2006-06-28 | Bouygues Telecom | Method for radio resource allocation between various mobile classes |
| KR20130119209A (en) * | 2012-04-23 | 2013-10-31 | 주식회사 케이티 | Method for charging data of prepaid subscriber subcribed with multi-different networks |
Non-Patent Citations (1)
| Title |
|---|
| TD-LTE 干扰识别与排查;徐志华，杨文波，刘扬;《信息通信》;20140531;第2-4部分 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105657727A (en) | 2016-06-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105657727B (en) | The determination method and device thereof of interference signal interference type | |
| CN109660315B (en) | PDCCH blind detection method and device based on DMRS, storage medium and user equipment | |
| CN105393621B (en) | A kind of subframe processing method and equipment | |
| CN110392399B (en) | Bandwidth allocation method and device, user equipment and base station | |
| MX2018014381A (en) | Determination of resource block groups in a user equipment bandwidth part. | |
| RU2014122142A (en) | FEEDBACK METHOD AND DEVICE FOR COOPERATIVE MULTIPOINT COMMUNICATION IN A COMMUNICATION SYSTEM | |
| EP4247091A3 (en) | Resource allocation method and apparatus | |
| EP2747507B1 (en) | Scheduling for devices with limited signal processing capability | |
| WO2011056016A3 (en) | Method of resource block (rb) bundling | |
| CN103369697B (en) | A kind of secondary carrier activation of multicarrier and anti-activating method and device | |
| CN106911410B (en) | Communication master user sensing method and system | |
| CN104115460A (en) | Method and apparatus for providing enhanced interference suppression | |
| US10142870B2 (en) | Estimating apparatus and computer readable storage medium | |
| CN104219180B (en) | The treating method and apparatus of detection reference signal | |
| CN103702343B (en) | The detection method and device of a kind of inter-frequency interference cell | |
| WO2011143892A1 (en) | Method and device for analyzing uplink broadband interference | |
| CN110519854B (en) | Uplink frequency selection scheduling method and device, electronic equipment and storage medium | |
| CN110149160B (en) | Method, system and storage medium for TD-LTE interference detection | |
| CN102769918B (en) | A kind of distribution method and device of upstream discontinuous Resource Block | |
| CN107027176B (en) | A kind of method and device of scheduling of resource | |
| CN104378782B (en) | The recognition methods of interference signal and device in LTE system | |
| CN111343719A (en) | LTE physical resource block allocation method, device and storage medium | |
| CN102056127A (en) | Method for selecting same-frequency interference cell list on TDD UE side | |
| CN105517169B (en) | It is a kind of for evading the dispatching method of interference | |
| CN110784297B (en) | Resource unit allocation method and device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |