CN101515822A - Method and device for eliminating disturbance among time division duplexing system cells - Google Patents
Method and device for eliminating disturbance among time division duplexing system cells Download PDFInfo
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Abstract
The invention discloses a method and a device for eliminating the disturbance among wireless communication TDD system cells. One method for eliminating the disturbance among the cells comprises that: one or more physical frame pairs in physical frames in two adjacent cells which are overlapped in time domain and different in transmission mode are determined; and for each physical pair, uplink physical frames or downlink physical frames in the physical frame pair are set as non-transmitting signals respectively. The other method for eliminating the disturbance among the cells comprises: one or more physical frame groups in physical frames in more than two adjacent cells which are overlapped in time domain and different in transmission mode are determined; and for each physical frame group, all uplink physical frames or downlink physical fames in the physical frame group are set as the non-transmitting signals respectively. By the method and the device, the disturbance of the uplink/downlink signals are avoided when the quantitative proportions of the uplink/downlink physical frames in two adjacent cells in the same frequency band are different.
Description
Technical field
The present invention relates to the communications field, particularly, relate to inter-cell interference cancellation method and device based on TDD (Time DivisionDuplex, time division duplex) wireless communication system.
Background technology
To be that unit carries out in the wireless system of transfer of data with superframe (superframe), the Uplink/Downlink of radio open transmission generally be that unit transmits data with superframe; Each superframe is made up of a preamble (leading) and several PHY Frame (physical frame); Preamble and PHY Frame form for base unit with OFDM (OrthogonalFrequency Division Multiplexing, OFDM) Symbol (symbol).
Present UMB (Ultra Mobile Broadband, super mobile broadband), LTE (Long-Term Evolution, Long Term Evolution), Wimax (WorldwideInteroperability for Microwave Access, micro-wave access to global intercommunication) all there are two kinds of duplex modes in system, be FDD (Frequency Division Duplex, Frequency Division Duplexing (FDD)) mode and TDD mode.
Under the FDD mode, Uplink/Downlink adopts different frequency band transmission, like this, and in the system/resource allocation of descending PHY Frames is relatively independent.
Under the TDD mode, Uplink/Downlink uses identical frequency range timesharing to transmit.According to the needs of business, system can be divided into ascending physical signal frame and downstream physical frame with PHY Frames according to certain ratio.
In realizing process of the present invention, the inventor finds that there are the following problems under the TDD mode: if on the similar frequency bands neighbor cell/descending PHY Frames number ratio is inequality, then may cause interference between neighbor cell, for this problem, also there is not solution effectively at present; In addition, do not have at similar frequency bands neighbor cell superframe can appear at the situation that causes interference between the neighbor cell under the situation of alignment yet,, do not have solution effectively at present yet for this problem.
Summary of the invention
Consider a kind of technology of the needs that exist in the correlation technique solve on the neighbor cell of similar frequency bands/descending PHY Frames number ratio may cause the problem of interference when inequality and propose the present invention between neighbor cell.For this reason, the present invention aims to provide a kind of inter-cell interference cancellation method and device, is used for solving the problems referred to above that correlation technique exists.
According to an aspect of the present invention, provide a kind of inter-cell interference cancellation method based on the TDD system, be used for eliminating same frequency range up/interference of uplink/downlink signals between different two neighbor cells of downstream physical frame ratio.
Inter-cell interference cancellation method according to the embodiment of the invention comprises following processing: determine in the physical frame of two neighbor cells on time domain overlapping and one or more physical frames that transmission means is different are right; Right for each physical frame, the ascending physical signal frame of physical frame centering or downstream physical frame are set to not transmit respectively.
Wherein, the length of the superframe at the physical frame place of two above-mentioned neighbor cells can be identical, also can be inequality.Under the identical situation of superframe length, can be by on time domain, the superframe of two neighbor cells being alignd to determine that physical frame is right from beginning to end.
According to a further aspect in the invention, also provide another kind of inter-cell interference cancellation method based on the TDD system, be used for eliminating same frequency range up/ interference that the downstream physical frame ratio is different more than the uplink/downlink signals between two neighbor cell.
Inter-cell interference cancellation method according to the embodiment of the invention comprises following processing: determine more than in the physical frame of two neighbor cell on time domain overlapping and one or more physical frame groups that transmission means is different; For each physical frame groups, all ascending physical signal frames or all downstream physical frame in the physical frame groups is set to not transmit respectively.
Wherein, the length of the superframe at the physical frame place of above-mentioned neighbor cell more than two can be identical, also can be inequality.Under the identical situation of superframe length, can be by on time domain, the superframe of each neighbor cell being alignd to determine physical frame groups from beginning to end.
According to a further aspect in the invention, also provide another kind of inter-cell interference cancellation method, be used for eliminating the interference of the uplink/downlink signals of unjustified a plurality of neighbor cells from beginning to end of same frequency range superframe based on the TDD system.
Inter-cell interference cancellation method according to the embodiment of the invention comprises following processing: determine in the physical frame of a plurality of neighbor cells overlapping and one or more physical frame groups that transmission means is different on time domain; For each physical frame groups, all ascending physical signal frames or all downstream physical frame in the physical frame groups is set to not transmit respectively.
Wherein, the up/downstream physical frame ratio of above-mentioned a plurality of neighbor cells can be identical; Perhaps, the up/downstream physical frame ratio of above-mentioned a plurality of neighbor cells also can be different.
According to a further aspect in the invention, provide a kind of inter-cell interference cancellation device, be used for eliminating the interference of the uplink/downlink signals between a plurality of neighbor cells of same frequency range based on the TDD system.
Inter-cell interference cancellation device according to the present invention comprises: determination module, determine in the physical frame of a plurality of neighbor cells overlapping and one or more physical frame groups that transmission means is different on time domain; Module is set, and for each physical frame groups, all ascending physical signal frames or all downstream physical frame in the physical frame groups is set to not transmit respectively.
By above-mentioned one or more technical schemes provided by the invention, by making that overlapping ascending physical signal frame and downstream physical frame do not transmit simultaneously on time domain, can avoid on the neighbor cell of similar frequency bands/interference of uplink/downlink signals appears in downstream physical frame number ratio when inequality, also can avoid because the interference of the uplink/downlink signals that caused of alignment of similar frequency bands neighbor cell superframe head and the tail has remedied the defective that correlation technique exists in this technical problem.
Other features and advantages of the present invention will be set forth in the following description, and, partly from specification, become apparent, perhaps understand by implementing the present invention.Purpose of the present invention and other advantages can realize and obtain by specifically noted structure in the specification of being write, claims and accompanying drawing.
Description of drawings
Accompanying drawing is used to provide further understanding of the present invention, and constitutes the part of specification, is used from explanation the present invention with embodiments of the invention one, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the flow chart based on the inter-cell interference cancellation method of TDD system according to the inventive method embodiment one;
Fig. 2 is the schematic diagram of the example 1 of method shown in Figure 1;
Fig. 3 is the flow chart based on the inter-cell interference cancellation method of TDD system according to the inventive method embodiment two;
Fig. 4 is the schematic diagram of the example 2 of method shown in Figure 3;
Fig. 5 is the flow chart based on the presence of intercell interference sub-district method of TDD system according to the inventive method embodiment three;
Fig. 6 is the structured flowchart based on the inter-cell interference cancellation device of TDD system according to apparatus of the present invention embodiment.
Embodiment
As mentioned above, on the neighbor cell of similar frequency bands/when descending PHY Frames number ratio is inequality, may between neighbor cell, cause interference; Do not have at similar frequency bands neighbor cell superframe may between neighbor cell, can cause interference under the situation of alignment yet yet.At this moment, how to handle be a key issue in the networking process in system.
Given this, the embodiment of the invention provides a kind of inter-cell interference cancellation method and device based on the TDD system.
Below in conjunction with accompanying drawing the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein only is used for description and interpretation the present invention, and be not used in qualification the present invention.
Method embodiment one
According to the embodiment of the invention, a kind of inter-cell interference cancellation method based on the TDD system is provided, be used for eliminating same frequency range up/interference of uplink/downlink signals between different two neighbor cells of downstream physical frame ratio.
As shown in Figure 1, the inter-cell interference cancellation method according to the embodiment of the invention comprises following processing:
Step S102 determines in the physical frame of two neighbor cells on time domain overlapping and one or more physical frames that transmission means is different are right;
Step S104, right for each physical frame, the ascending physical signal frame of physical frame centering or downstream physical frame are set to not transmit respectively, in this article, " PHYFrame that does not transmit " is called Mute PHY Frame, like this, just avoided the signal between up and descending to disturb.
Wherein, the length of the superframe (superframe) at the physical frame place of two above-mentioned neighbor cells can be identical, also can be inequality.Under the identical situation of superframe length, can align from beginning to end by superframe to determine that physical frame is right with two neighbor cells.Below will further the technical scheme that the embodiment of the invention provides be described by example.
Example 1
In order to set forth conveniently, in this example, on two neighbor cells/descending PHYFrames number ratio situation inequality, the length of the superframe of first supposition system equates, as shown in Figure 1.
Further two TDD Mode modes that neighbor cell adopted of hypothesis are a kind of is 5: 3, and another kind is 4: 4.To those skilled in the art, can understand, for other TDD Mode mode, the method for the embodiment of the invention is suitable for too.
For 5: 3 modes of TDD, a superframe comprises leading and 24 PHYFrames.Specifically, in superframe, comprise successively a descending transmission block that one leading, 5 continuous downstream physical frame form, the very first time at interval, 3 uplink transmission block, second time interval, 5 another downstream transmission blocks, the 3rd time interval, 3 another uplink transmission block, the 4th time interval, 5 another downstream transmission blocks, the 5th time interval and 3 another uplink transmission blocks that continuous ascending physical signal frame is formed that continuous downstream physical frame is formed that continuous ascending physical signal frame is formed that continuous downstream physical frame is formed that continuous ascending physical signal frame is formed.
For 4: 4 modes of TDD, a superframe comprises leading and 24 PHYFrames.Specifically, in superframe, comprise successively a descending transmission block that one leading, 4 continuous downstream physical frame form, the very first time at interval, 4 uplink transmission block, second time interval, 4 another downstream transmission blocks, the 3rd time interval, 4 another uplink transmission block, the 4th time interval, 4 another downstream transmission blocks, the 5th time interval and 4 another uplink transmission blocks that continuous ascending physical signal frame is formed that continuous downstream physical frame is formed that continuous ascending physical signal frame is formed that continuous downstream physical frame is formed that continuous ascending physical signal frame is formed.
The length of the superframe of above-mentioned two kinds of TDD Mode modes equates, and head and the tail align in time.
As shown in Figure 1, in the superframe, F4, the F9 of the descending PHYFrame of 5: 3 modes of TDD and F14 are overlapping on time domain with R0, R4 and the R8 of the up PHY Frame of 4: 4 modes of TDD respectively, like this, the downstream signal and the TDD4 of 5: 3 modes of TDD: just there is interference in the upward signal of 4 modes.
In embodiments of the present invention, can make the F4 physical frame or the TDD4 of 5: 3 modes of TDD: the R0 physical frame of 4 modes does not transmit, particularly, if the F4 physical frame of 5: 3 modes of TDD is not transmitted, the R0 physical frame of 4: 4 modes of TDD just can transmit so, also can not transmit; If the R0 physical frame of 4: 4 modes of TDD is not transmitted, the F4 physical frame of 5: 3 modes of TDD just can transmit so, also can not transmit; In a word, the R0 physical frame of the F4 physical frame of 5: 3 modes of TDD and 4: 4 modes of TDD can not transmit simultaneously.In other words, in embodiments of the present invention, make TDD5: the R0 physical frame of 4: 4 modes of the F4 physical frame of 3 modes or TDD adopts the mode of Mute PHYFrame.Like this, the problem of the R0 physical frame of the F4 physical frame of 5: 3 modes of TDD and 4: 4 modes of TDD with regard to not existing signal to disturb.
In like manner, for fear of interference, the F9 physical frame of 5: 3 modes of TDD or the R4 physical frame of 4: 4 modes of TDD are not transmitted; Make F 14 physical frames or the TDD4 of 5: 3 modes of TDD: the R8 physical frame of 4 modes does not transmit.
For the different situation of the superframe length of two neighbor cells, the present invention is suitable for too.That is, as long as have ascending physical signal frame and downstream physical frame overlapping on the time domain, just one of them is set to adopt the mode of Mute PHY Frame.
Described above is that the quantity of neighbor cell is two situation, and for the quantity of the neighbor cell situation more than two, the present invention is suitable for too.Following embodiment has provided concrete technical scheme.
Method embodiment two
According to the embodiment of the invention, a kind of inter-cell interference cancellation method based on the TDD system is provided, be used for eliminating same frequency range up/ interference that the downstream physical frame ratio is different more than the uplink/downlink signals between two neighbor cell.
As shown in Figure 3, the inter-cell interference cancellation method according to the embodiment of the invention comprises following processing:
Step S302, determine more than in the physical frame of two neighbor cell on time domain overlapping and one or more physical frame groups that transmission means is different;
Step S304, for each physical frame groups, all ascending physical signal frames or all downstream physical frame in the physical frame groups is set to not transmit respectively, in this article, " the PHY Frame that does not transmit " is called Mute PHY Frame, like this, just avoided the signal between up and descending to disturb.
Wherein, similar with method embodiment one, the length of the superframe (superframe) at the physical frame place of above-mentioned neighbor cell more than two can be identical, also can be inequality.Under the identical situation of superframe length, can align from beginning to end by superframe to determine that physical frame is right with each neighbor cell.Below will further the technical scheme that the embodiment of the invention provides be described by example.
Example 2
In order to set forth conveniently, in this example, on supposing to exist/descending PHY Frames number ratio three neighbor cells inequality, be respectively sub-district 1, sub-district 2, sub-district 3, and suppose that the length of the superframe of system equates, as shown in Figure 4.
Further in three neighbor cells of hypothesis, the TDD Mode mode that adopt sub-district 1 is 5: 3, the TDD Mode mode that adopt sub-district 2 is 4: 4, the TDD Mode mode that adopt sub-district 3 is 5: 3, as shown in Figure 4, in the superframe, the F4 of the descending PHY Frame of 5: 3 modes of TDD, F9 and F 14 (sub-district 1) respectively with the R0 of the up PHY Frame of 4: 4 modes of TDD, R4 and R8 (sub-district 2), and the F4 of another descending PHY Frame of 5: 3 modes of TDD, F9 and F14 (sub-district 3) are overlapping on time domain, like this, just there is interference in the upward signal of the downstream signal of 5: 3 modes of TDD and 4: 4 modes of TDD.
In embodiments of the present invention, the F4 physical frame (sub-district 1) of 5: 3 modes of TDD and the F4 physical frame (sub-district 3) of 5: 3 modes of TDD or the R0 physical frame of 4: 4 modes of TDD are not transmitted, particularly, if two F4 physical frames of 5: 3 modes of TDD are not transmitted, the R0 physical frame of 4: 4 modes of TDD just can transmit so, also can not transmit; If the R0 physical frame of 4: 4 modes of TDD is not transmitted, two F4 physical frames of 5: 3 modes of TDD just can transmit so, also can not transmit; In a word, the R0 physical frame of two F4 physical frames of 5: 3 modes of TDD and 4: 4 modes of TDD can not transmit simultaneously.In other words, in embodiments of the present invention, make TDD5: the R0 physical frame of 4: 4 modes of two F4 physical frames of 3 modes or TDD adopts the mode of MutePHY Frame.Like this, the R0 physical frame of two F4 physical frames of 5: 3 modes of TDD and 4: 4 modes of the TDD problem that just can not exist signal to disturb.
In like manner, for fear of interference, make two the F9 physical frames or the TDD4 of 5: 3 modes of TDD: the R4 physical frame of 4 modes does not transmit; Two F 14 physical frames of 5: 3 modes of TDD or the R8 physical frame of 4: 4 modes of TDD are not transmitted.
For the different situation of the superframe length of each neighbor cell, the present invention is suitable for too.That is, as long as have ascending physical signal frame and downstream physical frame overlapping on the time domain, the mode that just whole ascending physical signal frames or whole downstream physical frame are set to adopt Mute PHY Frame.
Described above is interference elimination method under the up/downstream physical frame ratio of the neighbor cell situation inequality, in fact, no matter whether up/downstream physical frame the ratio of neighbor cell is identical, do not have under the situation of alignment at the superframe of above-mentioned neighbor cell, all may occur disturbing.Following embodiment has further provided concrete solution.
Method embodiment three
According to the embodiment of the invention, a kind of inter-cell interference cancellation method based on the TDD system is provided, be used for eliminating the interference of the uplink/downlink signals of unjustified a plurality of neighbor cells from beginning to end of same frequency range superframe, up/downstream physical frame the ratio of a plurality of neighbor cells of mentioning here can be identical, also can be different, and the length of the superframe of neighbor cell can be identical, also can be different.
As shown in Figure 5, the inter-cell interference cancellation method based on the TDD system according to the embodiment of the invention comprises following processing:
Step S502 determines in the physical frame of a plurality of neighbor cells overlapping and one or more physical frame groups that transmission means is different on time domain;
Step S504 for each physical frame groups, is set to all ascending physical signal frames in the physical frame groups (can be one or more) or all downstream physical frame (can be one or more) not to transmit respectively.
By the technical scheme that present embodiment provides, can eliminate between the neighbor cell of similar frequency bands because the unjustified up/descending interference that causes of superframe head and the tail.
Device embodiment
According to the embodiment of the invention, a kind of inter-cell interference cancellation device based on the TDD system is provided, be used for eliminating the interference of the uplink/downlink signals between a plurality of neighbor cells of same frequency range, comprise because up/interference that downstream physical frame ratio difference is caused, and other are because the unjustified interference that causes of superframe head and the tail.
Fig. 6 is the block diagram based on the inter-cell interference cancellation device of TDD system that illustrates according to the embodiment of the invention.
As shown in Figure 6, this device comprises: determination module 602, determine in the physical frame of a plurality of neighbor cells overlapping and one or more physical frame groups that transmission means is different on time domain; Module 604 is set, is connected to determination module 602,, respectively all ascending physical signal frames in the physical frame groups (can be one or more) or all downstream physical frame (can be one or more) are set to not transmit for each physical frame groups.
A plurality of details among this embodiment can be understood with reference to the method embodiment that provides above, no longer same or similar content are repeated in this description at this.
As mentioned above, the above-mentioned one or more technical schemes that provide by means of the embodiment of the invention, by making that overlapping ascending physical signal frame and downstream physical frame do not transmit simultaneously on time domain, avoided on the neighbor cell of similar frequency bands/interference of uplink/downlink signals appears in downstream physical frame number ratio when inequality, avoided because the interference of the uplink/downlink signals that caused of alignment of similar frequency bands neighbor cell superframe head and the tail has remedied the defective that correlation technique exists in this technical problem.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. inter-cell interference cancellation method based on tdd systems, be used for eliminating same frequency range up/interference of uplink/downlink signals between different two neighbor cells of downstream physical frame ratio, it is characterized in that described method comprises:
Determine in the physical frame of described two neighbor cells on time domain overlapping and one or more physical frames that transmission means is different are right;
Right for each physical frame, the ascending physical signal frame or the downstream physical frame of described respectively physical frame centering are set to not transmit.
2. method according to claim 1 is characterized in that, the length of the superframe at the physical frame place of described two neighbor cells is identical or different.
3. method according to claim 2 is characterized in that, under the identical situation of the length of the superframe at the physical frame place of described two neighbor cells, by on time domain the superframe of described two neighbor cells being alignd to determine that described physical frame is right from beginning to end.
4. inter-cell interference cancellation method based on tdd systems, be used for eliminating same frequency range up/ interference that the downstream physical frame ratio is different more than the uplink/downlink signals between two neighbor cell, it is characterized in that described method comprises:
Determine in the physical frame of described neighbor cell more than two overlapping and one or more physical frame groups that transmission means is different on time domain;
For each physical frame groups, all ascending physical signal frames or all downstream physical frame in the described respectively physical frame groups are set to not transmit.
5. method according to claim 4 is characterized in that, the length of the superframe at the physical frame place of described neighbor cell more than two is identical or different.
6. method according to claim 5 is characterized in that, under the identical situation of the length of the superframe at the physical frame place of described neighbor cell more than two, by on time domain the superframe of each neighbor cell being alignd to determine described physical frame groups from beginning to end.
7. the inter-cell interference cancellation method based on tdd systems is used for eliminating the interference of the uplink/downlink signals of unjustified a plurality of neighbor cells from beginning to end of same frequency range superframe, it is characterized in that described method comprises:
Determine in the physical frame of described a plurality of neighbor cells overlapping and one or more physical frame groups that transmission means is different on time domain;
For each physical frame groups, all ascending physical signal frames or all downstream physical frame in the described respectively physical frame groups are set to not transmit.
8. method according to claim 7 is characterized in that, the up/downstream physical frame ratio of described a plurality of neighbor cells is identical.
9. method according to claim 7 is characterized in that, the up/downstream physical frame ratio difference of described a plurality of neighbor cells.
10. the inter-cell interference cancellation device based on tdd systems is used for eliminating the interference of the uplink/downlink signals between a plurality of neighbor cells of same frequency range, it is characterized in that described device comprises:
Determination module is determined in the physical frame of described a plurality of neighbor cells overlapping and one or more physical frame groups that transmission means is different on time domain;
Module is set, and for each physical frame groups, all ascending physical signal frames or all downstream physical frame in the described respectively physical frame groups are set to not transmit.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100093227A CN101515822A (en) | 2008-02-18 | 2008-02-18 | Method and device for eliminating disturbance among time division duplexing system cells |
| US12/918,059 US8605676B2 (en) | 2008-02-18 | 2009-02-18 | Method and device for configuring inter-cell time division duplex modes based on a TDD system |
| PCT/CN2009/070461 WO2009103234A1 (en) | 2008-02-18 | 2009-02-18 | Configuration method and device for time division duplex modes between cells based on tdd system |
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| CNA2008100093227A CN101515822A (en) | 2008-02-18 | 2008-02-18 | Method and device for eliminating disturbance among time division duplexing system cells |
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| CN101515822A true CN101515822A (en) | 2009-08-26 |
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| CNA2008100093227A Pending CN101515822A (en) | 2008-02-18 | 2008-02-18 | Method and device for eliminating disturbance among time division duplexing system cells |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102594420A (en) * | 2011-01-10 | 2012-07-18 | 上海贝尔股份有限公司 | Interference suppression method and interference suppression device in multipoint coordinated transmission system |
| WO2013138986A1 (en) * | 2012-03-19 | 2013-09-26 | Alcatel Lucent | Interference indicator for wireless communication systems |
| CN106412947A (en) * | 2015-07-31 | 2017-02-15 | 华为技术有限公司 | Interference-eliminating method, user equipment and base station |
| CN107734660A (en) * | 2016-08-11 | 2018-02-23 | 华为技术有限公司 | Resource allocation method, device and equipment |
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2008
- 2008-02-18 CN CNA2008100093227A patent/CN101515822A/en active Pending
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102594420A (en) * | 2011-01-10 | 2012-07-18 | 上海贝尔股份有限公司 | Interference suppression method and interference suppression device in multipoint coordinated transmission system |
| WO2012095745A1 (en) * | 2011-01-10 | 2012-07-19 | Alcatel Lucent | Interference suppression method and apparatus in multi-point coordinated transmission system |
| TWI465055B (en) * | 2011-01-10 | 2014-12-11 | Alcatel Lucent | Method and device for interference suppression in coordinated multipoint transmission system |
| CN102594420B (en) * | 2011-01-10 | 2015-08-05 | 上海贝尔股份有限公司 | Disturbance restraining method in multipoint coordinated transmission system and device |
| US9258823B2 (en) | 2011-01-10 | 2016-02-09 | Alcatel Lucent | Interference suppression method and apparatus in multi-point coordinated transmission system |
| WO2013138986A1 (en) * | 2012-03-19 | 2013-09-26 | Alcatel Lucent | Interference indicator for wireless communication systems |
| CN104170510A (en) * | 2012-03-19 | 2014-11-26 | 阿尔卡特朗讯 | Interference indicator for wireless communication systems |
| US9538543B2 (en) | 2012-03-19 | 2017-01-03 | Alcatel Lucent | Interference indicator for wireless communication systems |
| CN104170510B (en) * | 2012-03-19 | 2018-05-25 | 阿尔卡特朗讯 | For the interference indicator of wireless communication system |
| CN106412947A (en) * | 2015-07-31 | 2017-02-15 | 华为技术有限公司 | Interference-eliminating method, user equipment and base station |
| CN106412947B (en) * | 2015-07-31 | 2019-11-01 | 华为技术有限公司 | The removing method and user equipment of a kind of interference and base station |
| CN107734660A (en) * | 2016-08-11 | 2018-02-23 | 华为技术有限公司 | Resource allocation method, device and equipment |
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