CN103874217B - Up anti-disturbance method and equipment in TDD LTE systems - Google Patents
Up anti-disturbance method and equipment in TDD LTE systems Download PDFInfo
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- CN103874217B CN103874217B CN201410099210.0A CN201410099210A CN103874217B CN 103874217 B CN103874217 B CN 103874217B CN 201410099210 A CN201410099210 A CN 201410099210A CN 103874217 B CN103874217 B CN 103874217B
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- 238000000034 method Methods 0.000 title claims abstract description 17
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- 230000001174 ascending effect Effects 0.000 description 5
- 230000006870 function Effects 0.000 description 5
- 230000008030 elimination Effects 0.000 description 4
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0044—Arrangements for allocating sub-channels of the transmission path allocation of payload
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/14—Two-way operation using the same type of signal, i.e. duplex
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/06—Optimizing the usage of the radio link, e.g. header compression, information sizing, discarding information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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Abstract
The invention provides one kind in TDD LTE systems up anti-disturbance method, including：The interference of each Physical Resource Block PRB of whole sub-frame of uplink is made an uproar bottom lifting IOT values in the detection scheduled time；The PRB more than predetermined number continuous position is judged whether, the IOT values in each sub-frame of uplink are above IOT detection threshold values；According to judged result, the frequency domain position configured information of the Physical Uplink Shared Channel PUSCH of user equipment (UE) is generated；Being sent to user equipment (UE) includes the DCI of frequency domain position configured information.In the solution of the present invention, the interference of each Physical Resource Block PRB of whole sub-frame of uplink is made an uproar bottom lifting IOT values in the scheduled time according to detection, to indicate the frequency domain position of PUSCH, can be while reducing the up operand in base station, reducing DSP operating pressures, frequency domain position scheduling neatly is carried out to PUSCH, so as to for that can carry out providing strong guarantee effective against uplink interference when up appearance is disturbed, be finally reached lifting cell entire throughput, reduce the purpose of system resource waste.
Description
Technical field
The present invention relates to moving communicating field, specifically, the present invention relates to up jamproof in TDD-LTE system
Method and apparatus.
Background technology
In LTE (Long Term Evolution, Long Term Evolution) system, when eNB (evolved Node B, it is evolved
Node B) with up some frequency ranges of UE (user equipment) in there is strong jamming when, uplink service is disturbed influence, can cause small
Area's upstream data throughput entire lowering.
In LTE communication system, UE be typically necessary during uplink service by following processes in the prior art, with
Once as a example by transmission upstream data：
1) RLC (Radio Link Control wireless spread-spectrum technologies) layer of UE receives data, notifies MAC (Medium
Access Control, medium education) layer；
2) MAC of UE triggers BSR (Buffer Status Report, buffer status report), due to currently without to UE
Distribution PUSCH (Physical Uplink Shared Channel, Physical Uplink Shared Channel), triggering generation SR
(Scheduling Request, dispatch request), and by PUCCH (Physical Uplink Control Channel, thing
Reason ascending control channel) SR is sent to eNB；
3) eNB detects SR, by sending DCI (Downlink Control Information, Downlink Control Information)
Carry out uplink scheduling；
4) UE continues to send BSR and uplink business data by PUSCH；
5) eNB proceeds uplink scheduling according to the BSR for receiving.
The prior art general method selected by upper line frequency solves the problems, such as uplink interference.For example, eNB is according to up receipts
The SRS (Sounding Reference Symbol, detection reference signal) for arriving carries out CQI (Channel Quality
Indicator, channel quality indicate) measurement.When being not turned on selecting frequently, whole system bandwidth CQI is used to measure；Opening frequency
When selecting, measured using subband CQI.
When being not turned on selecting frequently, the result of broadband CQI is the average value of out-hole run result in whole bandwidth, it is impossible to true
Reflect the situation of up channel, MAC layer carries out MCS (Modulation and Coding Scheme, modulation according to average CQI
Coded system) hierarchical selection, the MCS grades of selection will cause a part of CQI resources of frequency range high to waste than relatively low；Opening
When Qi Pin is selected, subband CQI is calculated respectively for each user, selection wherein highest subband carries out uplink traffic transmission, total
In the case of a width of 20MHz, a user can take 100 PRB, then subband CQI is one group of calculating, a use by 4 PRB
Family is exactly 25 values, if there are 400 state of activation users base station, it is very big that the amount of calculation of up subband CQI will become,
The pressure of DSP (Digital Signal Processing, Digital Signal Processing) will be very big；Meanwhile, select it frequency is opened
Afterwards, because the calculating granularity of up subband CQI is smaller, each user resources position all relatively dissipates, it may appear that resource utilization
Not enough problem.
The content of the invention
The purpose of the present invention is intended at least solve one of above-mentioned technological deficiency, particularly up anti-interference time-frequency band resource wave
Take or equipment calculates the excessive problem of pressure.
To solve the above problems, the invention provides one kind in TDD-LTE system up anti-disturbance method, including：
The interference of each Physical Resource Block PRB of whole sub-frame of uplink is made an uproar bottom lifting IOT values in the detection scheduled time；
The PRB more than predetermined number continuous position is judged whether, the IOT values in each sub-frame of uplink are above
IOT detection threshold values；
According to judged result, the frequency domain position configured information of the Physical Uplink Shared Channel PUSCH of user equipment (UE) is generated；
Downlink Control Information DCI is sent to user equipment (UE), wherein, the DCI includes the frequency domain position configured information.
The present invention also provides a kind of jamproof equipment up in TDD-LTE system, including detection module, the first judgement
Module, the first generation module, sending module：
The detection module, the interference for detecting each Physical Resource Block PRB of whole sub-frame of uplink in the scheduled time
Make an uproar bottom lifting IOT values；
First judge module, for judging whether the PRB more than predetermined number continuous position, each up
IOT values in subframe are above IOT detection threshold values；
First generation module, for according to judged result, generating the Physical Uplink Shared Channel of user equipment (UE)
The frequency domain position configured information of PUSCH；
The sending module, for sending Downlink Control Information DCI to user equipment (UE), wherein, the DCI includes described
Frequency domain position configured information.
The embodiment that the present invention is provided includes following one or more beneficial effect：
Instant invention overcomes base station in the prior art when carrying out up anti-interference, up computing after line frequency choosing in unlatching
Amount increase caused by DSP operating pressures it is excessive, and due to calculate granularity it is smaller cause user resources position disperse and cause
Resource utilization problem；Or be not turned on frequency when selecting the average CQI of whole bandwidth can not truly reflect up channel situation and
The problem for causing the resource of frequency range to waste.The solution of the present invention, each thing of whole sub-frame of uplink in the scheduled time according to detection
The interference of reason Resource Block PRB makes an uproar bottom lifting IOT values to indicate the frequency domain position of PUSCH, can reduce the up computing in base station
While amount, reduction DSP operating pressures, frequency domain position scheduling neatly is carried out to PUSCH, so as to in up appearance interference
Can carry out providing strong guarantee effective against uplink interference, be finally reached lifting cell entire throughput, reduce system resource
The purpose of waste.Such scheme proposed by the present invention, to the change very little of existing system, does not interfere with the compatibility of system, and
And realize simple, efficient.
The additional aspect of the present invention and advantage will be set forth in part in the description, and these will become from the following description
Obtain substantially, or recognized by practice of the invention.
Brief description of the drawings
The above-mentioned and/or additional aspect of the present invention and advantage will become from the following description of the accompanying drawings of embodiments
Substantially and be readily appreciated that, wherein：
Fig. 1 shows the up anti-disturbance method flow chart in TDD-LTE system according to embodiments of the present invention；
Fig. 2 shows the up jamproof functions of the equipments schematic diagram in TDD-LTE system according to embodiments of the present invention.
Specific embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from start to finish
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
It is exemplary to scheme the embodiment of description, is only used for explaining the present invention, and is not construed as limiting the claims.
Fig. 1 shows the up anti-disturbance method flow chart in TDD-LTE system according to embodiments of the present invention.
As shown in figure 1, in step s 110, each Physical Resource Block of whole sub-frame of uplink in the detection scheduled time of base station
The interference of PRB is made an uproar bottom lifting IOT values.
Specifically, in step s 110, the PL (Physical Layer, physical layer) of base station is detected be somebody's turn to do to schedule
The IOT values of every PRB of whole sub-frame of uplink in time.Wherein, interference makes an uproar bottom lifting IOT to react channel disturbance comprehensive condition
Index.
Specific detecting step is as follows：
Step S110 includes step S111 (not shown) and step S112 (not shown).In step S111, PL determines every
The average power content of one PRB whole frequency pilot signs in a sub-frame of uplink, using average power content as every PRB on one
IOT values in row subframe；In step S112, PL determines the IOT values of every PRB of whole sub-frame of uplink in the scheduled time.
In one example, in TDD-LTE system, the scheduled time is a radio frames 10ms, on predetermined current frame structure
When descending sub frame is 2: 2 configuration, 4 sub-frame of uplink are had in scheduled time 10ms, there are 2 pilot tones to accord with a sub-frame of uplink
Number, by every PRB, the performance number of 2 all antennas of frequency pilot sign in a sub-frame of uplink is averaging to determine mean power PL
Value, and the IOT values using the average power content as every PRB in the sub-frame of uplink；In step S112, PL is determined in 10ms
It is interior, the IOT values of the every PRB in 4 sub-frame of uplink.
In the step s 120, base station judges whether the PRB more than predetermined number continuous position, in each sub-frame of uplink
In IOT values be above IOT detection threshold values.
In one example, example is connected, it is assumed that predetermined number continuous position is 5 continuous positions, and in the step s 120, PL sentences
Disconnected to whether there is more than 5 PRB of continuous position, in each sub-frame of uplink in 4 sub-frame of uplink, this more than 5 continuous
The IOT values of the PRB of position are above IOT detection threshold values.
In step s 130, base station generates the Physical Uplink Shared Channel PUSCH's of user equipment (UE) according to judged result
Frequency domain position configured information.
Specifically, base station generates the frequency domain position of the Physical Uplink Shared Channel PUSCH of user equipment (UE) according to judged result
Put configured information.
When judged result is in the presence of PRB more than predetermined number continuous position, as shown in figure 1, step S130 includes step
Rapid S131 (not shown) and step S132 (not shown)；In step S131, when judged result is to connect in the presence of more than predetermined number
During the PRB of continuous position, the position that base station will be greater than the PRB of predetermined number continuous position is defined as uplink interference frequency domain position；
In step S132, base station generates frequency domain position configured information according to uplink interference frequency domain position, wherein, frequency domain position indicates letter
The PUSCH of breath instruction UE can not take uplink interference frequency domain position.
In one example, example is connected, in step S131, when judged result is in the presence of more than 5 PRB of continuous position
When, the position of more than 5 PRB of continuous position is defined as uplink interference frequency domain position by PL, and generates interference position mark
I_BITMAP, then, uplink interference frequency domain position is notified MAC (Medium Access Control, medium education) by PL
Layer；In step S132, MAC layer generates frequency domain position configured information according to uplink interference frequency domain position, wherein, frequency domain position
The PUSCH of configured information instruction UE can not take more than 5 positions of the PRB of continuous position.
When judged result is in the absence of PRB more than predetermined number continuous position, as shown in figure 1, step S130 includes
Step S133 (not shown) and step S134 (not shown)；In step S133, when judged result is in the absence of more than predetermined
During the PRB of number continuous position, base station generation interference eliminates configured information；In step S134, base station eliminates according to interference and indicates
Information, generates the frequency domain position configured information of the PUSCH of UE, wherein, the PUSCH of frequency domain position configured information instruction UE can take
Whole up frequency domain positions.
Specifically, when base station judges in the absence of the PRB for being more than predetermined number continuous position in the step s 120, in step
In S133, the PL generation interference of base station eliminates configured information, and notifies MAC layer；In step S134, base station MAC layer is according to dry
Elimination configured information is disturbed, the frequency domain position configured information of the PUSCH of UE is generated, wherein, frequency domain position configured information indicates UE's
PUSCH can take all up frequency domain positions.
In step S140, base station sends Downlink Control Information DCI to user equipment (UE), wherein, DCI includes frequency domain position
Configured information.
Specifically, the MAC layer of base station sends DCI to UE；When judged result is in the presence of more than predetermined number continuous position
During PRB, the PUSCH of the frequency domain position configured information instruction UE that DCI includes can not take uplink interference frequency domain position；When judgement is tied
When fruit is in the absence of PRB more than predetermined number continuous position, the frequency domain position configured information that DCI includes indicates the PUSCH of UE
All up frequency domain positions can be taken.
In one example, the MAC layer of base station sends DCI by PDCCH to UE, and DCI format includes that DCI0, DCI0 are used for
PUSCH scheduling of resource, such as resource block assignment information, i.e. DCI0 include frequency domain position configured information；When judged result is in the presence of big
When the PRB of predetermined number continuous position, it is up that the frequency domain position configured information that DCI0 includes indicates the PUSCH of UE to take
Interference frequency domain position；When judged result is in the absence of PRB more than predetermined number continuous position, the frequency domain position that DCI0 includes
The PUSCH of configured information instruction UE can take all up frequency domain positions.
The above embodiment of the present invention, each Physical Resource Block of whole sub-frame of uplink in the scheduled time according to detection
The interference of PRB makes an uproar bottom lifting IOT values to indicate the frequency domain position of PUSCH；When up presence interference, the PUSCH of UE is indicated not
The PRB positions that the interference that can be taken is present, can be while reducing the up operand in base station, reducing DSP operating pressures, effectively
The anti-uplink interference in ground, lifts cell entire throughput, reduces the waste of system resource.After being eliminated in uplink interference, Ke Yitong
Know that the up whole PRB positions of UE can use, the uplink scheduling of PUSCH resources recovers normal mode, it is ensured that after elimination is disturbed
Ascending resource scheduling can automatically recover normal mode, improve ascending resource utilization rate.
(refer to Fig. 1) in a preferred embodiment, when base station judges to exist the PRB more than predetermined number continuous position,
Also include step S150 (not shown), in step S150, base station generation interference has configured information, wherein, interference presence refers to
Show that information includes uplink interference frequency domain position.
Specifically, when base station judges to exist in the step s 120 the PRB for being more than predetermined number continuous position, each up
When IOT values in subframe are above IOT detection threshold values, in step S150, there is configured information in the PL generation interference of base station, its
In, there is interference position mark I_BITMAP of the configured information including uplink interference frequency domain position in interference.
Preferably (refer to Fig. 1), the method also includes step S160 (not shown), step S170 (not shown) and step
S180 (not shown).In step S160, the current uplink interference frequency domain position for indicating in MAC layer is read in base station；In step
In S170, base station judge interference exist uplink interference frequency domain position that configured information includes with MAC layer current instruction it is upper
Whether row interference frequency domain position is identical；In step S180, base station currently indicates when judging to differ in renewal MAC layer
Uplink interference frequency domain position；In step s 130, base station generates UE's according to the current uplink interference frequency domain position for indicating
The frequency domain position configured information of PUSCH, wherein, the PUSCH of frequency domain position configured information instruction UE can not take current instruction
Uplink interference frequency domain position.
Specifically, in step S160, the MAC layer of base station reads the uplink interference frequency domain position of its current instruction for having stored
Put I_BITMAP；In step S170, MAC layer judges that interference has the uplink interference frequency domain position I_ that configured information includes
Whether BITMAP is identical with the current uplink interference frequency domain position I_BITMAP for indicating in MAC layer；In step S180, work as judgement
When differing, MAC layer updates the current uplink interference frequency domain position I_BITMAP for indicating；In step s 130, base station according to work as
The uplink interference frequency domain position I_BITMAP of preceding instruction, generates the frequency domain position configured information of the PUSCH of UE, wherein, frequency domain position
Put the uplink interference frequency domain position I_BITMAP that configured information indicates PUSCH to take current instruction in MAC layer.
The above embodiment of the present invention, can realize that base station PL constantly determines uplink interference frequency domain position, and MAC layer can be with
The uplink interference frequency domain position of current instruction is continuously updated, so as to realize when up-link occurs interference position change, base
Standing can update uplink interference frequency domain position according to interference variations position adjustment in real time, so as to realize effectively constantly up anti-
Interference.
Fig. 2 shows the up jamproof functions of the equipments schematic diagram in TDD-LTE system according to embodiments of the present invention.Such as
Shown in Fig. 2, equipment 100 includes detection module 110, the first judge module 120, the first generation module 130 and sending module 140.
First, the interference of each Physical Resource Block PRB of whole sub-frame of uplink is made an uproar in the detection scheduled time of detection module 110
Bottom lifting IOT values.
Specifically, detection module 110 detects the IOT of every PRB of whole sub-frame of uplink in the time to schedule
Value.Wherein, it is the index for reacting channel disturbance comprehensive condition to disturb the bottom lifting IOT that makes an uproar.
Specific detection process is as follows：
First, detection module 110 determines the average power content of every PRB whole frequency pilot signs in a sub-frame of uplink,
IOT values using average power content as every PRB in a sub-frame of uplink；Then, detection module 110 was determined in the scheduled time
The IOT values of every PRB of whole sub-frame of uplink.
In one example, in TDD-LTE system, the scheduled time is a radio frames 10ms, on predetermined current frame structure
When descending sub frame is 2: 2 configuration, 4 sub-frame of uplink are had in scheduled time 10ms, there are 2 pilot tones to accord with a sub-frame of uplink
Number, first, by every PRB, the performance number of 2 all antennas of frequency pilot sign in a sub-frame of uplink is averaging detection module 110
To determine average power content, and the IOT values using the average power content as every PRB in the sub-frame of uplink；Then, mould is detected
Block 110 determined in 10ms, the IOT values of the every PRB in 4 sub-frame of uplink.
Then, the first judge module 120 judges whether the PRB more than predetermined number continuous position, each up
IOT values in subframe are above IOT detection threshold values.
In one example, example is connected, it is assumed that predetermined number continuous position is 5 continuous positions, the first judge module 120 is sentenced
Disconnected to whether there is more than 5 PRB of continuous position, in each sub-frame of uplink in 4 sub-frame of uplink, this more than 5 continuous
The IOT values of the PRB of position are above IOT detection threshold values.
Then, the first generation module 130 generates the Physical Uplink Shared Channel of user equipment (UE) according to judged result
The frequency domain position configured information of PUSCH.
Specifically, the first generation module 130 generates the Physical Uplink Shared Channel of user equipment (UE) according to judged result
The frequency domain position configured information of PUSCH.
When judged result is in the presence of PRB more than predetermined number continuous position, the first generation module 130 is by continuous position
The position of PRB be defined as uplink interference frequency domain position；Then, the first generation module 130 is raw according to uplink interference frequency domain position
Into frequency domain position configured information, wherein, the PUSCH of frequency domain position configured information instruction UE can not take uplink interference frequency domain position
Put.
In one example, example is connected, when judged result is the PRB in the presence of more than 5 continuous positions, the first generation module
The position of more than 5 PRB of continuous position is defined as uplink interference frequency domain position by 130, and generates interference position mark I_
BITMAP；Then, the first generation module 130 generates frequency domain position configured information according to uplink interference frequency domain position, wherein, frequency
The PUSCH of domain position indication information instruction UE can not take more than 5 positions of the PRB of continuous position.
When judged result is in the absence of PRB more than predetermined number continuous position, first, the first generation module 130 is given birth to
Configured information is eliminated into interference；Then, the first generation module 130 eliminates configured information according to interference, generates the frequency of the PUSCH of UE
Domain position indication information, wherein, the PUSCH of frequency domain position configured information instruction UE can take all up frequency domain positions.
Specifically, when judging in the absence of the PRB for being more than predetermined number continuous position, the generation of the first generation module 130 is dry
Disturb elimination configured information；Configured information is eliminated then according to interference, the frequency domain position configured information of the PUSCH of UE is generated, wherein,
The PUSCH of frequency domain position configured information instruction UE can take all up frequency domain positions.
Then, sending module 140 sends Downlink Control Information DCI to user equipment (UE), wherein, DCI includes frequency domain position
Configured information.
Specifically, sending module 140 sends DCI to UE；When judged result is in the presence of more than predetermined number continuous position
During PRB, the PUSCH of the frequency domain position configured information instruction UE that DCI includes can not take uplink interference frequency domain position；When judgement is tied
When fruit is in the absence of PRB more than predetermined number continuous position, the frequency domain position configured information that DCI includes indicates the PUSCH of UE
All up frequency domain positions can be taken.
In one example, sending module 140 sends DCI by PDCCH to UE, and DCI format includes that DCI0, DCI0 are used for
PUSCH scheduling of resource, such as resource block assignment information, i.e. DCI0 include frequency domain position configured information；When judged result is in the presence of big
When the PRB of predetermined number continuous position, it is up that the frequency domain position configured information that DCI0 includes indicates the PUSCH of UE to take
Interference frequency domain position；When judged result is in the absence of PRB more than predetermined number continuous position, the frequency domain position that DCI0 includes
The PUSCH of configured information instruction UE can take all up frequency domain positions.
The above embodiment of the present invention, each Physical Resource Block of whole sub-frame of uplink in the scheduled time according to detection
The interference of PRB makes an uproar bottom lifting IOT values to indicate the frequency domain position of PUSCH；When up presence interference, the PUSCH of UE is indicated not
The PRB positions that the interference that can be taken is present, can be while reducing the up operand in base station, reducing DSP operating pressures, effectively
The anti-uplink interference in ground, lifts cell entire throughput, reduces the waste of system resource.After being eliminated in uplink interference, Ke Yitong
Know that the up whole PRB positions of UE can use, the uplink scheduling of PUSCH resources recovers normal mode, it is ensured that after elimination is disturbed
Ascending resource scheduling can automatically recover normal mode, improve ascending resource utilization rate.
(refer to Fig. 2) in a preferred embodiment, when base station judges to exist the PRB more than predetermined number continuous position,
Equipment 100 also includes the second generation module (not shown), and the generation interference of the second generation module has configured information, wherein, interference
There is configured information includes uplink interference frequency domain position.
Specifically, as the PRB for judging to have more than predetermined number continuous position, the IOT values in each sub-frame of uplink are
During higher than IOT detection threshold values, there is configured information in the generation interference of the second generation module, wherein, interference has configured information to be included
The interference position mark I_BITMAP of uplink interference frequency domain position.
Preferably (refer to Fig. 2), equipment 100 also include read module (not shown), the second judge module (not shown) and
Update module (not shown).Read module reads the current uplink interference frequency domain position for indicating in MAC layer；In the second judge module
There is uplink interference frequency domain position and the current uplink interference frequency domain for indicating in MAC layer that configured information includes in judgement interference
Whether identical put；When judging to differ, update module updates the current uplink interference frequency domain position for indicating in MAC layer；First
Generation module 130 generates the frequency domain position configured information of the PUSCH of UE according to the current uplink interference frequency domain position for indicating, its
In, the PUSCH of frequency domain position configured information instruction UE can not take the uplink interference frequency domain position of current instruction.
Specifically, first, read module reads the uplink interference frequency domain position I_BITMAP of its current instruction for having stored；
Then, the second judge module judges that interference has uplink interference frequency domain position I_BITMAP and the MAC layer that configured information includes
In the current uplink interference frequency domain position I_BITMAP for indicating it is whether identical；Then, when judging to differ, update module updates
The current uplink interference frequency domain position I_BITMAP for indicating；First generation module 130 is according to the current uplink interference frequency domain for indicating
Position I_BITMAP, generates the frequency domain position configured information of the PUSCH of UE, wherein, frequency domain position configured information indicates PUSCH not
The current uplink interference frequency domain position I_BITMAP for indicating in MAC layer can be taken.
The above embodiment of the present invention, can realize that base station PL constantly determines uplink interference frequency domain position, and MAC layer can be with
The uplink interference frequency domain position of current instruction is continuously updated, so as to realize when up-link occurs interference position change, base
Standing can update uplink interference frequency domain position according to interference variations position adjustment in real time, so as to realize effectively constantly up anti-
Interference.
Those skilled in the art are appreciated that to realize all or part of step that above-described embodiment method is carried
The rapid hardware that can be by program to instruct correlation is completed, and described program can be stored in a kind of computer-readable storage medium
In matter, the program upon execution, including one or a combination set of the step of embodiment of the method.
Additionally, during each functional unit in each embodiment of the invention can be integrated in a processing module, it is also possible to
It is that unit is individually physically present, it is also possible to which two or more units are integrated in a module.Above-mentioned integrated mould
Block can both be realized in the form of hardware, it would however also be possible to employ the form of software function module is realized.The integrated module is such as
Fruit is to realize in the form of software function module and as independent production marketing or when using, it is also possible to which storage is in a computer
In read/write memory medium.
Storage medium mentioned above can be read-only storage, disk or CD etc..
The above is only some embodiments of the invention, it is noted that for the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (10)
1. one kind up anti-disturbance method in TDD-LTE system, it is characterised in that including：
The interference of each Physical Resource Block PRB of whole sub-frame of uplink is made an uproar bottom lifting IOT values in the detection scheduled time；
The PRB more than predetermined number continuous position is judged whether, the IOT values in each sub-frame of uplink are above IOT inspections
Survey threshold value；
According to judged result, the frequency domain position configured information of the Physical Uplink Shared Channel PUSCH of user equipment (UE) is generated；
Downlink Control Information DCI is sent to user equipment (UE), wherein, the DCI includes the frequency domain position configured information；
Wherein, the interference of each Physical Resource Block PRB of whole sub-frame of uplink is made an uproar bottom lifting IOT values in the detection scheduled time, is wrapped
Include：
Determine the average power content of every PRB whole frequency pilot signs in a sub-frame of uplink, using the average power content as
IOT values of the every PRB in one sub-frame of uplink；
Determine the IOT values of every PRB of whole sub-frame of uplink in the scheduled time.
2. up anti-disturbance method according to claim 1, it is characterised in that according to judged result, generation user sets
The frequency domain position configured information of the Physical Uplink Shared Channel PUSCH of standby UE, including：
When judged result is in the presence of PRB more than predetermined number continuous position, the position of the PRB of the continuous position is determined
It is uplink interference frequency domain position；
According to the uplink interference frequency domain position, the frequency domain position configured information is generated, wherein, the frequency domain position indicates letter
The PUSCH of the breath instruction UE can not take the uplink interference frequency domain position.
3. up anti-disturbance method according to claim 2, it is characterised in that also include：
There is configured information in generation interference, wherein, the interference has configured information includes the uplink interference frequency domain position.
4. up anti-disturbance method according to claim 3, it is characterised in that also include：
The current uplink interference frequency domain position for indicating in reading media access control MAC layer；
Judge that the interference is currently indicated in there is the uplink interference frequency domain position that configured information includes and the MAC layer
Uplink interference frequency domain position it is whether identical；
When judging to differ, the current uplink interference frequency domain position for indicating in the MAC layer is updated；
According to the uplink interference frequency domain position of the current instruction, the frequency domain position configured information of the PUSCH of the UE is generated, its
In, the PUSCH of the frequency domain position configured information instruction UE can not take the uplink interference frequency domain position of the current instruction
Put.
5. up anti-disturbance method according to claim 1, it is characterised in that according to judged result, generation user sets
The frequency domain position configured information of the Physical Uplink Shared Channel PUSCH of standby UE, including：
When judged result is in the absence of PRB more than predetermined number continuous position, generation interference eliminates configured information；
Configured information is eliminated according to the interference, the frequency domain position configured information of the PUSCH of the UE is generated, wherein, the frequency
The PUSCH of the domain position indication information instruction UE can take all up frequency domain positions.
6. one kind up jamproof equipment in TDD-LTE system, it is characterised in that judge mould including detection module, first
Block, the first generation module, sending module：
The detection module, for detecting in the scheduled time that the interference of each Physical Resource Block PRB of whole sub-frame of uplink is made an uproar bottom
Lifting IOT values；
First judge module, for judging whether the PRB more than predetermined number continuous position, in each sub-frame of uplink
In IOT values be above IOT detection threshold values；
First generation module, for according to judged result, generating the Physical Uplink Shared Channel PUSCH's of user equipment (UE)
Frequency domain position configured information；
The sending module, for sending Downlink Control Information DCI to user equipment (UE), wherein, the DCI includes the frequency domain
Position indication information；
Wherein, the detection module includes：
Determine the average power content of every PRB whole frequency pilot signs in a sub-frame of uplink, using the average power content as
IOT values of the every PRB in one sub-frame of uplink；
Determine the IOT values of every PRB of whole sub-frame of uplink in the scheduled time.
7. up jamproof equipment according to claim 6, it is characterised in that first generation module includes：
When judged result is in the presence of PRB more than predetermined number continuous position, the position of the PRB of the continuous position is determined
It is uplink interference frequency domain position；
According to the uplink interference frequency domain position, the frequency domain position configured information is generated, wherein, the frequency domain position indicates letter
The PUSCH of the breath instruction UE can not take the uplink interference frequency domain position.
8. up jamproof equipment according to claim 7, it is characterised in that also including the second generation module：
, there is configured information for generating interference in second generation module, wherein, the interference has configured information includes institute
State uplink interference frequency domain position.
9. up jamproof equipment according to claim 8, it is characterised in that also judge including read module, second
Module and update module：
The read module, for the current uplink interference frequency domain position for indicating in reading media access control MAC layer；
Second judge module, for judging that the interference has the uplink interference frequency domain position that configured information includes
It is whether identical with the current uplink interference frequency domain position for indicating in the MAC layer；
The update module, the uplink interference frequency domain position for when judging to differ, updating current instruction in the MAC layer
Put；
First generation module, for the uplink interference frequency domain position according to the current instruction, generates the PUSCH of the UE
Frequency domain position configured information, wherein, it is described current that the frequency domain position configured information indicates the PUSCH of the UE to take
The uplink interference frequency domain position of instruction.
10. up jamproof equipment according to claim 6, it is characterised in that first generation module includes：
When judged result is in the absence of PRB more than predetermined number continuous position, generation interference eliminates configured information；
Configured information is eliminated according to the interference, the frequency domain position configured information of the PUSCH of the UE is generated, wherein, the frequency
The PUSCH of the domain position indication information instruction UE can take all up frequency domain positions.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410099210.0A CN103874217B (en) | 2014-03-17 | 2014-03-17 | Up anti-disturbance method and equipment in TDD LTE systems |
| PCT/CN2015/074116 WO2015139576A1 (en) | 2014-03-17 | 2015-03-12 | Method and device for uplink anti-interference in tdd-lte system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410099210.0A CN103874217B (en) | 2014-03-17 | 2014-03-17 | Up anti-disturbance method and equipment in TDD LTE systems |
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| Publication Number | Publication Date |
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| CN103874217A CN103874217A (en) | 2014-06-18 |
| CN103874217B true CN103874217B (en) | 2017-06-13 |
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| CN201410099210.0A Active CN103874217B (en) | 2014-03-17 | 2014-03-17 | Up anti-disturbance method and equipment in TDD LTE systems |
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| WO (1) | WO2015139576A1 (en) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103874217B (en) * | 2014-03-17 | 2017-06-13 | 大唐移动通信设备有限公司 | Up anti-disturbance method and equipment in TDD LTE systems |
| JP6386594B2 (en) * | 2014-06-27 | 2018-09-05 | ホアウェイ・テクノロジーズ・カンパニー・リミテッド | Method and apparatus for transmitting PUSCH |
| CN105491583B (en) * | 2014-10-13 | 2019-01-08 | 中国移动通信集团公司 | A kind of interference detection method, base station, network element device and Interference Detection system |
| CN104270784B (en) * | 2014-10-15 | 2018-09-11 | 大唐移动通信设备有限公司 | A kind of method, system and base station determining uplink coordinated multicast communication cooperation cell |
| CN106161322B (en) * | 2015-04-14 | 2020-10-20 | 电信科学技术研究院 | Signal processing method, uplink resource allocation method and device thereof |
| CN106714310B (en) * | 2015-11-16 | 2020-04-14 | 展讯通信（上海）有限公司 | Physical resource block binding detection method and device and user equipment |
| CN107027184B (en) | 2016-02-02 | 2020-01-14 | 电信科学技术研究院 | Downlink control information transmission method and device |
| WO2017133479A1 (en) * | 2016-02-02 | 2017-08-10 | 电信科学技术研究院 | Method and apparatus for transmitting downlink control information |
| CN107343292B (en) * | 2016-04-28 | 2020-05-05 | 大唐移动通信设备有限公司 | TD-LTE system interference judgment method and device |
| WO2020019298A1 (en) * | 2018-07-27 | 2020-01-30 | 华为技术有限公司 | Signal transmission method and device |
| WO2020029297A1 (en) * | 2018-08-10 | 2020-02-13 | 富士通株式会社 | Method and apparatus for transmitting downlink control information, method and apparatus for receiving downlink control information, and communication system |
| CN110971377B (en) * | 2018-09-30 | 2021-09-21 | 华为技术有限公司 | Data transmission method and device |
| CN112996022B (en) * | 2019-12-13 | 2024-05-07 | 上海大唐移动通信设备有限公司 | TD-LTE uplink interference positioning method and device, electronic equipment and storage medium |
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| CN102355681A (en) * | 2011-10-09 | 2012-02-15 | 大唐移动通信设备有限公司 | Method for detecting interference in long-term evolution system and equipment |
| CN102487512A (en) * | 2010-12-03 | 2012-06-06 | 中国移动通信集团公司 | Interference control method and device |
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| US8358979B2 (en) * | 2009-02-04 | 2013-01-22 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for measuring interference in a telecommunications system |
| CN103874217B (en) * | 2014-03-17 | 2017-06-13 | 大唐移动通信设备有限公司 | Up anti-disturbance method and equipment in TDD LTE systems |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102487512A (en) * | 2010-12-03 | 2012-06-06 | 中国移动通信集团公司 | Interference control method and device |
| CN102355681A (en) * | 2011-10-09 | 2012-02-15 | 大唐移动通信设备有限公司 | Method for detecting interference in long-term evolution system and equipment |
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| CN103874217A (en) | 2014-06-18 |
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