CN107787012A - Disturb processing method and base station - Google Patents
Disturb processing method and base station Download PDFInfo
- Publication number
- CN107787012A CN107787012A CN201610799053.3A CN201610799053A CN107787012A CN 107787012 A CN107787012 A CN 107787012A CN 201610799053 A CN201610799053 A CN 201610799053A CN 107787012 A CN107787012 A CN 107787012A
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- China
- Prior art keywords
- downlink business
- downlink
- business
- transmission
- base station
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Classifications
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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
- H04W28/0231—Traffic management, e.g. flow control or congestion control based on communication conditions
- H04W28/0236—Traffic management, e.g. flow control or congestion control based on communication conditions radio quality, e.g. interference, losses or delay
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/12—Wireless traffic scheduling
- H04W72/1263—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
Abstract
The embodiment of the invention discloses one kind interference processing method and base station, the interference processing method includes：After Downlink Control Information transmission is completed, whether have adjacent cell send downlink business instruction, form snoop results if being monitored within the protection interval time of transmission frame；According to the snoop results, handle the downlink business instruction corresponding to the interference that is received to this cell uplink business of downlink business；The reception indicated by downlink business, can by evade, disturb elimination and the mode such as AF panel can reduce up-downgoing interference caused by communication quality difference the problem of.
Description
Technical field
The present invention relates to wireless communication field, more particularly to a kind of interference processing method and base station.
Background technology
Under the scene of 5th generation mobile phone mobile communication standard 5G networking, due to the uncertainty of up-downgoing business,
On the basis of inter-cell interference in the same direction, the interference at crossed slot of up-downgoing can be also further superimposed.
As shown in figure 1, terminal can be in communication with each other in cell of the base station with quartering at its formation, for example, base station is sent out to terminal
Downstream signal is sent, terminal sends upward signal to base station.Downlink business is carried on usual downstream signal；Held on upward signal
It is loaded with uplink service.Interference between interference and terminal in Fig. 1 between base station is mutually dry for the uplink and downlink signals of different districts
Disturb caused interference at crossed slot.The interference General Influence of terminal-pair terminal is smaller, but due to base station would generally be deployed in it is higher
Position, most spaciousnesses are not blocked between base station and base station, and close to the environment of direct projection, propagation loss is smaller, and base
The power stood is larger so that base station is larger the interference base station.Therefore, the interference of base station to base station has become urgent need and solved
Interference problem certainly.
The content of the invention
In view of this, the embodiment of the present invention it is expected to provide a kind of interference processing method and base station, at least partly solves above-mentioned
Interference problem.
To reach above-mentioned purpose, the technical proposal of the invention is realized in this way：
First aspect of the embodiment of the present invention provides a kind of interference processing method, including：
Whether after Downlink Control Information transmission is completed, being monitored within the protection interval time of transmission frame has adjacent cell hair
Send downlink business to indicate, form snoop results；
According to the snoop results, handle the downlink business instruction corresponding to downlink business this cell uplink business is connect
The interference of receipts.
Based on such scheme, methods described, in addition to：
After Downlink Control Information transmission is completed, from descending transmission State Transferring in the conversion interval of the transmission frame
Into the uplink receiving state；
Whether described monitored within the protection interval time of transmission frame has adjacent cell to send downlink business instruction, is formed and monitored
As a result, including：
After the uplink receiving State Transferring is completed, supervised in the protection interval after the conversion interval
Whether have adjacent cell send the downlink business instruction, form the snoop results if listening.
It is described after Downlink Control Information transmission is completed based on such scheme, within the protection interval time of transmission frame
Whether monitoring has adjacent cell to send downlink business instruction, forms snoop results, including：
Whether have adjacent cell send downlink business instruction, obtain the downlink business if being monitored within the protection interval time
The signal energy and/or channel information of instruction；
And/or
Whether have adjacent cell send downlink business instruction, obtain the downlink business if being monitored within the protection interval time
Indicate the transmission parameter of the downlink business carried；Wherein, it is described send parameter for the processing of the progress interference provide according to
According to parameter.
Based on such scheme, the transmission parameter includes length information, beam information, coding indication information and business load
At least one of information；Wherein, the length information includes the transmission duration and/or transmission subframe of the downlink business
Number；The beam information includes the beam direction and/or wave beam mark of the downlink business；The coding indication information includes institute
State the code modulation mode of downlink business；The traffic load information includes the load capacity of the downlink business.
It is described according to the snoop results based on such scheme, handle downlink business corresponding to the downlink business instruction
The interference received to this cell uplink business, including：
According to the snoop results, determine whether adjacent cell within the time that this cell carries out the uplink service reception
There to be the downlink business to send；
Carry out in described cell thering is the downlink business to send in the time of the uplink service reception when there is adjacent cell
When, using interference elimination, AF panel and/or evade the progress uplink service reception.
It is described according to the snoop results based on such scheme, handle downlink business corresponding to the downlink business instruction
The interference received to this cell uplink business, including：
When no adjacent cell has the downlink business to send out within the time of the described cell progress uplink service reception
When sending, the uplink service reception is carried out using predetermined manner.
It is described to there is adjacent cell in described cell in the time of the uplink service reception have based on such scheme
When the downlink business is sent, using interference elimination, AF panel and/or evade the progress uplink service reception, including：
Carry out in described cell thering is the downlink business to send in the time of the uplink service reception when there is adjacent cell
When, obtain interference parameter；
According to the scheduling of the whole uplink service of the interference parameter, to eliminate, suppress and/or evade the downlink business
Interference；
Using the scheduling mode after adjustment, the transmission of the uplink service is carried out.
Second aspect of the embodiment of the present invention provides a kind of interference processing method, including：
Send Downlink Control Information；
After the Downlink Control Information has been sent and before downlink business is sent, downlink business instruction is sent；Its
In, the downlink business indicates to be used to inform adjacent cell, the downlink traffic transmission situation of this cell.
It is described to have sent the Downlink Control Information afterwards and before downlink business is sent based on such scheme, send
Downlink business instruction, including：
After the Downlink Control Information has been sent and after the conversion interval of the wait transmission frame, under transmission is described
Industry business instruction；
Wherein, the conversion interval is used for the completion of uplink service base station from descending transmission state cutting to uplink receiving state
Change.
Based on such scheme, methods described also includes：
In the conversion interval of the transmission frame, prearranged signals is sent to terminal；Wherein, the prearranged signals is used to realize
Predetermined function.
It is described after the Downlink Control Information has been sent and before downlink business is sent based on such scheme, hair
Downlink business is sent to indicate, including：
Downlink business instruction is carried on prearranged signals and sent；Wherein, the transmission parameter of the prearranged signals is also
For realizing predetermined function.
It is described after the Downlink Control Information has been sent and before downlink business is sent based on such scheme, hair
Downlink business is sent to indicate, including：
Correspond in downlink traffic transmission frame in the protection interval of uplink traffic transmission frame, send the downlink business and refer to
Show.
The third aspect of the embodiment of the present invention provides a kind of base station, including：
Monitoring unit, for after Downlink Control Information transmission is completed, being monitored within the protection interval time of transmission frame
Whether there is adjacent cell to send downlink business instruction, form snoop results；
Processing unit, for according to the snoop results, handling downlink business corresponding to the downlink business instruction to this
The interference that cell uplink business receives.
Based on such scheme, the base station, in addition to：
Converting unit, after being transmitted in completion Downlink Control Information, in the conversion interval of the transmission frame under
Row sends State Transferring into the uplink receiving state；
The monitoring unit, specifically for after the uplink receiving State Transferring is completed, between the conversion
Whether have adjacent cell send the downlink business instruction, form the snoop results if being monitored in the protection interval after.
Based on such scheme, the monitoring unit, it is specifically used for,
Whether have adjacent cell send downlink business instruction, obtain the downlink business if being monitored within the protection interval time
The signal energy and/or channel information of instruction；
And/or
Whether have adjacent cell send downlink business instruction, obtain the downlink business if being monitored within the protection interval time
Indicate the transmission parameter of the downlink business carried；Wherein, it is described send parameter for the processing of the progress interference provide according to
According to parameter.
Based on such scheme, the transmission parameter includes length information, beam information, coding indication information and business load
At least one of information；Wherein, the length information includes the transmission duration and/or transmission subframe of the downlink business
Number；The beam information includes the beam direction and/or wave beam mark of the downlink business；The coding indication information includes institute
State the code modulation mode of downlink business；The traffic load information includes the load capacity of the downlink business.
Based on such scheme, the processing unit, specifically for according to the snoop results, determining whether that adjacent cell exists
This cell carries out having the downlink business to send in the time of the uplink service reception；When having adjacent cell in described cell
When have in the time of the uplink service reception downlink business transmission, using interference elimination, AF panel and/or rule
Keep away and carry out the uplink service reception.
Based on such scheme, the processing unit, specifically for being carried out when no adjacent cell in described cell on described
When having the downlink business transmission in the time that industry business receives, the uplink service reception is carried out using predetermined manner.
Based on such scheme, the processing unit, there is adjacent cell described up in described cell progress specifically for working as
When having the downlink business transmission in the time that business receives, interference parameter is obtained；It is whole described up according to the interference parameter
The scheduling of business, to eliminate, suppress and/or evade the interference of the downlink business.
Fourth aspect of the embodiment of the present invention provides a kind of base station, including：
Transmitting element, for sending Downlink Control Information；And after the Downlink Control Information has been sent and sending
Before downlink business, downlink business instruction is sent；Wherein, the downlink business indicates to be used to inform adjacent cell, under this cell
Industry business status transmission.
Based on such scheme, the transmitting element, specifically for after the Downlink Control Information has been sent and waiting
After the conversion interval of the transmission frame, the downlink business instruction is sent；Wherein, the conversion interval is used for uplink service base
Stand and complete switching from descending transmission state to uplink receiving state.
Based on such scheme, the transmitting element, it is additionally operable in the conversion interval of the transmission frame, is sent to terminal pre-
Determine signal；Wherein, the prearranged signals is used to realize predetermined function.
Based on such scheme, the transmitting element, specifically for downlink business instruction is carried on prearranged signals
Send；Wherein, the transmission parameter of the prearranged signals is additionally operable to realize predetermined function.
Based on such scheme, the transmitting element, specifically for corresponding to uplink traffic transmission in downlink traffic transmission frame
In the protection interval of frame, the downlink business instruction is sent.
Interference processing method provided in an embodiment of the present invention and base station, downlink business base station can be before downlink business be transmitted
Send downlink business instruction, inform the uplink service base station for thering is uplink service to send of adjacent cell, pays attention to evading, eliminate and/press down
Up-downgoing business processed interferes, and so as to reduce interference, lifts communication quality.
Brief description of the drawings
Fig. 1 is a kind of schematic diagram of base station with causing interference at crossed slot in terminal communication process；
Fig. 2 is a kind of schematic flow sheet for disturbing processing method provided in an embodiment of the present invention；
Fig. 3 is a kind of structural representation of transmission frame provided in an embodiment of the present invention；
Fig. 4 is the structural representation of another transmission frame provided in an embodiment of the present invention；
Fig. 5 is another schematic flow sheet for disturbing processing method provided in an embodiment of the present invention；
Fig. 6 is a kind of structural representation of base station provided in an embodiment of the present invention；
Fig. 7 is the structural representation of another base station provided in an embodiment of the present invention；
Fig. 8 is the schematic flow sheet of another interference processing method of the embodiment of the present invention.
Embodiment
Technical scheme is further elaborated below in conjunction with Figure of description and specific embodiment.
As shown in Fig. 2 the present embodiment provides a kind of interference processing method, including：
Step S110：Complete Downlink Control Information transmission after, monitored within the protection interval time of transmission frame whether
There is adjacent cell to send downlink business instruction, form snoop results；
Step S120：According to the snoop results, downlink business corresponding to the downlink business instruction is handled to this cell
The interference that uplink service receives.
It can be to be applied to carry out the up of uplink service reception to provide a kind of interference processing method in the present embodiment
In business base station or non-downlink business base station.Here non-downlink business base station is the base that need not currently carry out downlink business transmission
Stand, it may include uplink service base station and currently do not receive idle base station of business etc..
The frame structure for transmission frame described in the present embodiment shown in Fig. 3.The transmission frame includes down control channel, industry
Be engaged in channel, ascending control channel and protection interval GP.The GP is generally arranged at down channel between up channel, is used for
Conversion of the base station from descending transmission state to uplink receiving state.For example, the GP may be provided at down control channel to up
Between Traffic Channel；The GP can also be provided at downlink traffic channel between ascending control channel.It is described in the present embodiment
Traffic Channel may include the downlink traffic channel for transmitting downlink business and/or the reverse link traffic channel for transmitting uplink service.Generally
Downlink Control Information is transmitted on the down control channel；In the Traffic Channel can with flexible transmission uplink service and/
Or downlink business.And the transmitting uplink control information generally on the ascending control channel.As shown in figure 3, in the present embodiment
According to the division of Traffic Channel, transmission frame can be divided into uplink traffic transmission frame and downlink traffic transmission frame again.It is noticeable
It is：Service signal described in the present embodiment can also be mixed service channel, and the mixed service channel is to believe in the business
Having part in transmission subframe corresponding to road is sent for uplink service, and having part is sent for downlink business.If institute
It is mixed service channel to state Traffic Channel, then must be set in running time-frequency resource corresponding to the Traffic Channel in transmission frame between conversion
Gap, for the conversion between descending the transmission state and uplink receiving state of base station.
As shown in figure 3, down control channel can sent by transmitting the base station of downlink business in the present embodiment, transmitting
Before downlink business, downlink business instruction can be transmitted in the protection interval corresponding to transmission frame.Industry is descended in the present embodiment
Business base station can correspond in the protection interval of uplink traffic transmission frame in downlink traffic transmission frame sends the downlink business instruction.
The downlink business instruction may include that downlink business instruction or downlink business signal, so non-downlink business base station receive the letter
After number, it just will be considered that base station will transmit downlink business.
In the step S110 of the present embodiment, non-downlink business base station is transferred in transmission frame using down control channel
In protection interval after down control channel, it can monitor whether the base station of adjacent cell has transmission downlink business instruction.Under described
The downlink business that industry business instruction may be used to indicate adjacent cell base station sends status information etc..
In the step s 120 by according to the snoop results to downlink business instruction, the uplink service for handling this cell connects
Receive.
The transmission time of the uplink service according to the snoop results, can be adjusted in the step s 120, for example, adjacent small
N-th of area base station sub-frame transmission downlink business, in order to avoid interference at crossed slot, this cell can be dispatched in m sub-frame transmissions
Uplink service, wherein, the n is not equal to the m.So by transmitting the differentiation of subframe, realize that interference avoids.
The reception of the uplink service of described cell is handled in step S220, it may include by according to snoop results, really
The communication resource that the uplink service of this fixed cell uses, the communication resource here may include time resource, frequency resource, spatial domain money
Source and/or sign resources.Here time resource, for example, it is foregoing be previously mentioned staggered by transmission time and realize that interference avoids,
Pass through staggering for frequency domain resource, it is clear that cross jamming caused by same frequency can also be avoided；And pass through uplink service and downlink business
Spatial reuse, for example, using the wave beam of different directions, avoid disturbing.For example, connect by the antenna for adjusting uplink service base station
Retake the power value, null wave beam is directed to the arrival bearing of the downlink business interference, so as to reach the effect of AF panel.This zero
Fall into the point of lowest gain in the receiving pattern for referring to antenna.Like this, due to null wave beam is aligned into the downlink business
The arrival bearing of interference, it is clear that the interference signal of the downlink business received is just few, it is possible to has the function that AF panel.Institute
Stating sign resources may include the traffic symbols such as the orthogonal code that is used in communication process.
Certainly during concrete implementation, the downlink business interference can also be handled by the way of interference eliminates.
For example, merging (Interference Rejection Combining, IRC) etc. using AF panel disturbs cancellation under
Industry business carries out interference processing, like this, it is clear that can lift the uplink service quality of reception, so as to reduce communication bit error rates, carry
Rise communication accuracy.
In certain embodiments, methods described also includes：
After Downlink Control Information transmission is completed, from descending transmission State Transferring in the conversion interval of the transmission frame
Into the uplink receiving state；
The step S110 includes：
After the uplink receiving State Transferring is completed, supervised in the protection interval after the conversion interval
Whether have adjacent cell send the downlink business instruction, form the snoop results if listening.
As shown in figure 4, the transmission frame also includes conversion interval, conversion interval T completes available for uplink service base station
Conversion of the descending transmission state to uplink receiving state.Because base station is from the descending State Transferring that sends into the uplink receiving shape
State, the downlink business instruction of adjacent cell transmission otherwise can not possibly be received well, to ensure smoothly to receive the downlink business
Instruction, interference at crossed slot is reduced, lift communication quality.As shown in figure 4, usually require that downlink business base station sends downlink business
Instruction, it is impossible to only sent in the conversion interval T, but need sending out in protection interval corresponding to uplink traffic transmission frame
Send, indicated with ensuring that non-downlink business base station can receive the downlink business.
In certain embodiments, the step S110 may include：
Whether have adjacent cell send downlink business instruction, obtain the downlink business if being monitored within the protection interval time
The signal energy and/or channel information of instruction；
And/or
Whether have adjacent cell send downlink business instruction, obtain the downlink business if being monitored within the protection interval time
Indicate the transmission parameter of the downlink business carried；Wherein, it is described send parameter for the processing of the progress interference provide according to
According to parameter.
Non- downlink business base station described in the present embodiment can detect whether downlink business instruction, send the lower industry
The signal energy and/or channel information of business instruction, without parsing the information content of the downlink business instruction place signal,
If for example, detect signal energy, it is believed that adjacent cell has downlink business transmission, then by detecting channel information, determines neighbour
Cell send downlink business by the channel of occupancy.For example, detect that adjacent cell have sent downlink business instruction in channel A, can
Think that adjacent cell will send downlink business instruction in channel A.Here channel A may include the frequency domain resource and/or sky of the channel
Domain resource and/or sign resources.For example, the frequency domain resource may include the frequency spectrum used, the spatial domain resource may include wave beam
Direction.The sign resources may include communications codes etc., for example, orthogonal communications codes used in CDMA etc..So in step
When uplink traffic transmission is carried out in S220, it is possible to by way of avoiding or disturbing and eliminate and/or suppress, avoiding and/or
Reduce interference of the downlink business to uplink service.
Certainly in another implementation, non-downlink business base station, for example, uplink service base station can be in protection interval
By monitoring, it can not only detect whether that downlink business instruction is sent, can also obtain the information content of downlink business instruction, here
The information content may include the transmission parameter of downlink business.What transmission parameter here may include to use when downlink business is sent leads to
Believe information of resource etc..
Specifically such as, the transmission parameter includes length information, beam information, coding indication information and traffic load information
At least one；Wherein, the length information includes the transmission duration and/or transmission number of sub-frames of the downlink business；
The beam information includes the beam direction and/or wave beam mark of the downlink business；The coding indication information includes described
The code modulation mode of downlink business；The traffic load information includes the load capacity of the downlink business.
The wave beam mark being typically different correspond to different wave beams, and different wave beams may beam direction difference or wave beam energy
Measure different etc..
For example, the length information indicating downlink business, which takes preceding P1 subframe in a transmission frame, carries out downlink business biography
Defeated, such uplink service base station is in order to avoid interference, and P2 subframe is transmitted after can using in the transmission frame.Certainly, if
The P1 is total number of sub frames that Traffic Channel includes in a transmission frame, in order to avoid disturbing the uplink service base station in this biography
It can also select to avoid completely in defeated frame, not transmit uplink business data, wait next transmission frame to carry out uplink traffic transmission again.
Certainly, the when other specification such as Ductility Requirement that now generally can also combine uplink service is made whether to avoid, when without avoiding
When, the processing mode of interference elimination and/or AF panel can be used to carry out interference mitigation, lift communication quality.
In certain embodiments, the step S220 may include：According to the snoop results, determine whether that adjacent cell exists
This cell carries out having the downlink business to send in the time of the uplink service reception；When having adjacent cell in described cell
When have in the time of the uplink service reception downlink business transmission, using interference elimination, AF panel and/or rule
Keep away and carry out the uplink service reception.Realize meeting in the present embodiment and determined according to whether receiving the downlink business instruction
Whether adjacent cell has downlink business transmission, if adjacent cell has downlink business transmission certainly, and this cell has uplink service transmission,
Then uplink service reception can be carried out using interference elimination, AF panel and/or by the way of evading in the present embodiment.Here rule
Keeping away may include foregoing avoidance.Here interference, which eliminates, may include first reception signal, then complete after signal receives, using certain
Interference elimination treatment, eliminate the interference signal in reception signal.Here AF panel is when carrying out signal reception, according to dry
Signal source direction etc. is disturbed to suppress the reception of interference signal as far as possible, so as to have the function that AF panel.Here rule
Keeping away may include, by modes such as avoidance, to avoid the interference between two kinds of signals.Above-mentioned three kinds of modes are all dry for that can alleviate in a word
The signal processing mode disturbed, so as to reduce interference, lift communication quality.
In certain embodiments, the step S220 may include：When no adjacent cell is carried out on described in described cell
When having the downlink business transmission in the time that industry business receives, the uplink service reception is carried out using predetermined manner.
In the present embodiment when determining that no adjacent cell needs to send downlink business, can exists in the present embodiment
Uplink service scheduling and transmission are carried out in this transmission frame at random, or continues to use original scheduling mode and carries out uplink service scheduling and biography
It is defeated.Here predetermined manner can refer to the different any scheduling mode of scheduling mode when having adjacent cell transmission downlink business,
Such as default behavior.
In the present embodiment, it is described to there is adjacent cell in described cell in the time of the uplink service reception have
When the downlink business is sent, using interference elimination, AF panel and/or evade the progress uplink service reception, including：When
There is adjacent cell when described cell carries out having the downlink business to send in the time of the uplink service reception, obtain interference
Parameter；According to the scheduling of the whole uplink service of the interference parameter, to eliminate, suppress and/or evade the downlink business
Interference.
Here interference parameter, the transmission parameter of the downlink business of adjacent cell can directly be included；And/or according to transmission parameter
The parameters such as the annoyance level and/or annoyance level of the uplink service to this cell evaluated.True according to the interference parameter
Determine scheduling mode, scheduling here may include to send the scheduling of the communication resource of the use of uplink service, code modulation mode
At least one of scheduling and signal power scheduling.The scheduling of the communication resource may include dispatching, being empty for frequency domain resource
The scheduling of the resources such as the scheduling of domain resource, communications codes.In a word, because adjacent cell has downlink business transmission, it would be possible to cause this small
The scheduling of the uplink service in area changes, thus this cell will change uplink service scheduling, it is descending to avoid and/or reduce
Interference of the business to uplink service, to lift communication quality.
As shown in figure 5, the present embodiment provides a kind of interference processing method, including：
Step S210：Send Downlink Control Information；
Step S220：After the Downlink Control Information has been sent and before downlink business is sent, lower industry is sent
Business instruction；Wherein, the downlink business indicates to be used to inform adjacent cell, the downlink traffic transmission situation of this cell.
Processing method is disturbed to be applied in downlink business base station described in the present embodiment, in the present embodiment downlink business base
Stand after down control channel transmission is completed in the down control channel of transmission frame, downlink business can't be entered directly into
Transmission, but downlink business instruction can be sent before downlink traffic transmission, the downlink business indicates that the base of adjacent cell can be informed
There is downlink traffic transmission this base station of standing, like this, the base station of adjacent cell will evade/disturb elimination by way of, avoid
The interference of up-downgoing business between different districts, so that it is guaranteed that while the communication quality of adjacent cell, additionally it is possible to avoid adjacent small
No matter the signal transmission of this cell carries out uplink traffic transmission, the caused traffic interference to this cell is small so as to be lifted in area
The communication quality in area, it is achieved thereby that the lifting of the quality of service of whole communication system.Transmission frame described in the present embodiment
Downlink traffic transmission frame that can be as shown in Figure 3 and Figure 4.The structure of the transmission frame can be found in previous embodiment, herein just no longer
Describe in detail.The downstream signal instruction in the present embodiment, can inform that adjacent cell exists by the transmission of descending indication signal
There is downlink traffic transmission this base station in this transmission frame.When this cell does not have downlink traffic transmission, can not send described descending
Indication signal, the downlink business instruction of no downlink traffic transmission can also be informed.
In certain embodiments, the step S220 may include：
After the Downlink Control Information has been sent and after the conversion interval of the wait transmission frame, under transmission is described
Industry business instruction；
Wherein, the conversion interval is used for the completion of uplink service base station from descending transmission state cutting to uplink receiving state
Change.
As shown in figure 4, being additionally provided with conversion interval in the transmission frame in the present embodiment, the conversion will be for
Row business base station carries out the time that descending transmission state receives to uplink state.If send downlink business directly within the time to refer to
Show, because uplink service base station also unfinished state will miss the transmission of downlink business instruction, if being not received by lower industry
Business instruction, may random schedule uplink service or continue to use default behavior carry out uplink service scheduling, so as to cause different districts
Between up-downgoing business the problem of interfering, the problem of so as to cause communication quality difference.Turn in downlink traffic transmission frame
Interval T is changed to align with the conversion interval T in uplink traffic transmission frame.Here alignment, it may include initial time and termination time
It is all identical.The conversion interval described in downlink traffic transmission frame can also turn into prepared separation, and usual downlink traffic transmission frame is simultaneously
Conversion of the descending transmission state to uplink receiving state will not be carried out in conversion interval.
In certain embodiments, methods described also includes：
In the conversion interval of the transmission frame, prearranged signals is sent to terminal；Wherein, the prearranged signals is used to realize
Predetermined function.
Prearranged signals is sent in the conversion interval in the present embodiment, prearranged signals here may include to be sent to small
The down channel detectable signal of the terminal in area, find signal, synchronizing signal and demodulated signal etc..These signals can have it
Corresponding effect.For example, after the down channel detectable signal can facilitate terminal reception, to realize the estimation of down channel.
For example, the transmission of the synchronizing signal, can facilitate synchronous etc. between the base station of this cell and terminal.In a word, the predetermined letter
Number can be perform predetermined function various downstream signals.Like this, just sufficiently using between the conversion of downlink traffic transmission frame
Every the communication resource, effective utilization of the communication resource is improved, caused by avoiding not doing any signal transmission in conversion interval
The wasting of resources.
It is worth noting that, the prearranged signals can also be down control channel in the present embodiment, i.e., non-transmitting
The transmission down control channel, completes the transmission of control information in the down control channel of frame.
In certain embodiments, the step S220 may include：
Downlink business instruction is carried on prearranged signals and sent；Wherein, the transmission parameter of the prearranged signals is also
For realizing predetermined function.For example, the terminal of this cell, which have received, to perform predetermined function according to predetermined hobby is received.This
In prearranged signals may include foregoing discovery signal, down channel detectable signal, synchronizing signal and demodulated signal etc..It is adjacent small
The base station in area, which will receive the prearranged signals, will determine whether this cell base station has downlink business hair according to the prearranged signals
Send and/or the transmission parameter of downlink business.For example, the base station of adjacent cell receives the prearranged signals, can be according to predetermined letter
Number transmit power determine that the downlink business of this cell sends the transmission of its uplink service whether can be interfered with, can also basis
The information content of carrying determines the transmission parameter of downlink business in prearranged signals.It is preferably downlink business base in the present embodiment
Terminal corresponding to standing can perform predetermined function according to the transmission parameter of the prearranged signals；For example, the signal according to prearranged signals
Power carries out the operation such as channel estimation.The base station of adjacent cell can obtain the descending of this cell according to the signal content of prearranged signals
The information such as the transmission state of business.
In certain embodiments, the step S220 may include：
Correspond in downlink traffic transmission frame in the protection interval of uplink traffic transmission frame, send the downlink business and refer to
Show.
As shown in Figure 3 and Figure 4, transmission frame includes uplink traffic transmission frame and downlink traffic transmission frame, and the present embodiment is sent
The downlink business instruction is on downlink traffic transmission frame, and it is in lower industry to send the downlink business in the present embodiment and pass
Transmission frame be engaged in corresponding in the protection interval of uplink traffic transmission frame, i.e., the transmission of described downlink business instruction is preferentially no earlier than down
Before the protection interval of industry business transmission frame, also without departing from the protection interval, otherwise it can cause uplink service base station can not be just
Downlink business instruction is really received, so that the AF panel of up-downgoing business between base station can not be smoothed out, eliminate and/or evade
The problem of caused communication quality difference.
As shown in fig. 6, the present embodiment provides a kind of base station, including：
Monitoring unit 110, for after Downlink Control Information transmission is completed, being supervised within the protection interval time of transmission frame
Whether have adjacent cell send downlink business instruction, form snoop results if listening；
Processing unit 120, for according to the snoop results, handling downlink business pair corresponding to the downlink business instruction
The interference that this cell uplink business receives.
Base station described in the present embodiment can be the base station of cellular cell, such as evolved base station eNB etc. is various is used to move
The base station of communication.The base station can be the uplink service base that uplink traffic transmission can be carried out in current transmission frame in the present embodiment
Stand and/or will not carry out the non-downlink business base station of downlink traffic transmission.
The monitoring unit 110 may correspond to reception antenna, and the downlink business instruction can be received by reception antenna,
So as to form snoop results.
The various processors or processing electricity with the information processing function that the processing unit 120 may correspond in base station
Road.The processor may include central processor CPU, Micro-processor MCV, digital signal processor DSP, programmable array PLC
Or the various signal processing structures such as application processor AP.The process circuit may include application-specific integrated circuit ASIC etc..The place
Processing operation can be completed by the execution of predetermined instruction by managing device or process circuit, to avoid and/or reduce between up-downgoing business
Interfere, lifted communication quality.The detailed content of the downlink business instruction may refer to previous embodiment, herein just not
It is repeated.
In certain embodiments, the base station, in addition to：
Converting unit, after being transmitted in completion Downlink Control Information, in the conversion interval of the transmission frame under
Row sends State Transferring into the uplink receiving state；
The monitoring unit 110, specifically for after the uplink receiving State Transferring is completed, positioned at the conversion
Whether have adjacent cell send the downlink business instruction, form the snoop results if being monitored in the protection interval behind interval.
The converting unit may correspond to aforementioned processor or process circuit in the present embodiment, can control the reception of base station
The working condition of antenna and transmission antenna, for example, from descending transmission State Transferring into uplink receiving state, connect including at least unlatching
Antenna is received, runs reception antenna.Certainly it may also include and close the operation such as descending transmission antenna.Certain converting unit may be used also
Corresponding to structures such as the switch controllers of reception antenna and transmission antenna, by the switch of antenna, State Transferring is realized.Certainly exist
During specific implementation, the State Transferring is not limited to the on off state of antenna, in addition to the processing that supporting such as information is formed
Device, the switching for the working condition of the storage resource of storage information etc..
The monitoring unit 110 will monitor downlink business instruction after completion status is changed in the present embodiment, with true
Guarantor smoothly monitors the downlink business instruction.
In further embodiments, the monitoring unit 110, is specifically used for,
Whether have adjacent cell send downlink business instruction, obtain the downlink business if being monitored within the protection interval time
The signal energy and/or channel information of instruction；
And/or
Whether have adjacent cell send downlink business instruction, obtain the downlink business if being monitored within the protection interval time
Indicate the transmission parameter of the downlink business carried；Wherein, it is described send parameter for the processing of the progress interference provide according to
According to parameter.
The monitoring unit 110 can listen only to whether have the signal for sending downlink business instruction in the present embodiment, descending
Business instruction channel information etc., and it is not concerned with the specific internal strength of downlink business instruction；Downlink business instruction can also be not only received,
The particular content (particular content may include to send parameter) of downlink business instruction can be also extracted, so as to facilitate processing unit
120 signal interference processing.For example, the transmission parameter is born including length information, beam information, coding indication information and business
At least one of information carrying breath；Wherein, the length information includes the transmission duration and/or transmission subframe of the downlink business
Number；The beam information includes the beam direction and/or wave beam mark of the downlink business；The coding indication information includes
The code modulation mode of the downlink business；The traffic load information includes the load capacity of the downlink business.Here hair
Send the detailed content of parameter to may refer to previous embodiment, be not just repeated herein.
In certain embodiments, the processing unit 110, specifically for according to the snoop results, determining whether neighbour
Cell carries out having the downlink business to send in the time of the uplink service reception in this cell；When having adjacent cell described
When this cell have in the time of the uplink service reception downlink business transmission, eliminated using interference, AF panel
And/or evade and carry out the uplink service reception.Certainly on the other hand, the processing unit 110, there is adjacent cell specifically for working as
When described cell carries out having the downlink business to send in the time of the uplink service reception, interference parameter is obtained；Root
According to the scheduling of the whole uplink service of the interference parameter, to eliminate, suppress and/or evade the interference of the downlink business.
In a word, whether the processing unit 110 can determine adjacent cell at this according to snoop results in the present embodiment
There is downlink business transmission in transmission frame, so as to which scheduling mode corresponding to using dispatches the uplink service of this cell, with reduction
The interference of downlink business, lift communication quality.
Further, the processing unit 110, specifically for when no adjacent cell carry out in described cell it is described up
When having the downlink business transmission in the time that business receives, the uplink service reception is carried out using predetermined manner.Here
Predetermined manner can be default behavior or the original mode continued to use, and the reception of the uplink service be carried out, without what is be scheduled again
Adjustment, it can equally realize that the signal of high quality receives.
As shown in fig. 7, the present embodiment provides a kind of base station, including：
Transmitting element 210, for sending Downlink Control Information；And after the Downlink Control Information has been sent and sending out
Before sending downlink business, downlink business instruction is sent；Wherein, the downlink business indicates to be used to inform adjacent cell, this cell
Downlink traffic transmission situation.
The base station includes transmitting element 210 in the present embodiment, and the transmitting element may correspond to the transmission antenna of base station
Deng.The base station can be the downlink business base station for needing to send downlink business in this transmission frame.In the base station also Nei Kebao
Include the information processing architecture that processor or process circuit etc. form the downlink business instruction.Here processor or process circuit
Structure can be found in foregoing base station embodiment, be not just repeated herein, can be CPU, MCU, DSP, AP, PLC or ASIC in a word
Deng.
In a word, the transmission indicated in the present embodiment by the downlink business, it is possible to reduce up-downgoing is disturbed, and lifting is logical
Believe quality.
In certain embodiments, the transmitting element 210, specifically for after the Downlink Control Information has been sent and
After the conversion interval for waiting the transmission frame, the downlink business instruction is sent；Wherein, the conversion interval is used for upper industry
Complete the switching from descending transmission state to uplink receiving state in business base station.
The transmitting element 210 specifically sends the downlink business in the conversion interval of transmission frame and referred in the present embodiment
Show, so ensure being properly received for uplink service base station, it is ensured that up-downgoing interference processing is smoothed out.
In certain embodiments, the transmitting element 210, is additionally operable in the conversion interval of the transmission frame, to terminal
Send prearranged signals；Wherein, the prearranged signals is used to realize predetermined function.The transmitting element 210 will in the present embodiment
The transmission of prearranged signals is carried out in conversion interval, running time-frequency resource corresponding to conversion interval is make use of, improves the communication resource
Effectively utilize.
In certain embodiments, the transmitting element 210, specifically for downlink business instruction is carried on into predetermined letter
Sent on number；Wherein, the transmission parameter of the prearranged signals is additionally operable to realize predetermined function.In the present embodiment, signal is passed through
Symbol, sent by a signal, can both notify downlink traffic transmission state of this cell of adjacent cell in current transmission frame,
This cell terminal can also be made to perform predetermined function after receiving, reduce base station signal by the transmission of prearranged signals simultaneously
The number of transmission, reduces power consumption, reduces signal transmission, so as to reduce what is interfered between the signal in wireless environment
Probability, and reduce signaling consumption.
In certain embodiments, the transmitting element 210, specifically for corresponding to uplink service in downlink traffic transmission frame
In the protection interval of transmission frame, the downlink business instruction is sent.Ensure downlink business instruction in upper industry in the present embodiment
It is engaged in sending in the time corresponding to the protection interval of transmission frame, so as to ensure being properly received for uplink service base station, Jin Erke
To ensure evading and eliminating for up-downgoing interference, communication quality is lifted.
It is presented below to provide several specific examples based on above-described embodiment：
Example one：
The base station of downlink business, downlink business instruction is sent between down control channel and Traffic Channel, it is described descending
Business instruction includes down channel designated symbol or signal.Inform that this business of recipient is transmitted as by the descending instruction in base station
Downlink transfer.
Uplink service base station due to transmission frame-form front half section need transmit down control channel, behind to transmit it is up
Business, therefore add protection interval (Guard Period, GP) in two parts intermediate demand.Downlink business instruction needs are included in
Within GP time span.Upcoming base station is monitored by the downlink business instruction to adjacent cell in GP, if under hearing
Industry business instruction, then it is assumed that follow-up uplink service can receive the descending interference of adjacent cell, it is necessary to evade using certain interference
Mechanism.
The base station of any non-downlink business can judge that the cell is carried out down by monitoring downlink business instruction
Industry is engaged in.
Wherein, downlink business instruction includes the business information of this cell, using fixed transmission power.Adjacent cell can lead to
The downlink business instruction for other cells heard in GP is crossed, judges the information such as interference radiating way, interference strength, interfered cell ID.
As shown in figure 8, comprise the following steps that,
Step S1：Downlink business base station (BTS1) and uplink service base station (BTS2) send Downlink Control Information to respective
Terminal, including S1a：BTS1 sends downlink business control information and sends down control channel to downlink business terminal UE 1, BTS2
To uplink service terminal UE 2.
Step S2：BTS1 sends downlink business instruction, specially after Downlink Control Information transmission is completed, continues traveling downwardly industry
Business instruction.
Step S3：BTS2 is monitored in GP, may particularly include：After Downlink Control Information transmission is completed, into GP,
It is converted into uplink service reception state.
Step S4：BTS2 indicates to judge beam direction, descending jamming power, the cell ID ID of interference according to downlink business
Information etc., take interference workaround.Indicated for example, BTS2 monitors the downlink business for whether having adjacent cell in GP.If receive
To the downlink business instruction from adjacent cell, arrival bearing, descending jamming power, interfered cell ID etc. are judged.
Step 5：Including step S5a and step S5b.The step S5a：BTS1 carries out downlink traffic transmission.Step S5b：
BTS2 carries out uplink traffic transmission, such as, 1) using the reception mode of null, and/or, 2) utilize interference deletion to eliminate BST1's
Interference.Specifically it may include：The descending interference configured information heard according to the GP stages, carries out interference and evades and eliminate.Such as according to
Arrival bearing carries out null receiving, or the interference elimination of uplink receiving is carried out according to interferometry information in GP.
Example two：
The conversion (T) of downstream-to-upstream is undergone because uplink service base station (BTS 2) needs, BTS2 will not have this period
Method hears any information.Then, it is necessary to wait the time for the S1 that sets aside some time before lower line pointer, wherein S1 is not less than T.Here
T be foregoing conversion interval.BTS1 is needed after Downlink Control Information end of transmission, and sending downlink business after the S1 of interval refers to
Show information.And BTS2, into the state of uplink receiving, can capture the lower industry that other cells are sent after elapsed time T
Business configured information.
Wherein, S1 can be used for the transmission of downlink business, can also be indicated as the downlink business of terminal-specific, transmission control
Information processed gives all terminals.Here terminal can include the upstream terminal under BTS2.Under can be used in BTS1 cells
Industry business transmission.
Wherein GP time span needs the time span for being more than or equal to downlink business instruction, guarantees completely to connect
Receive the downlink business configured information of adjacent cell.
Example three：
After the flow in Fig. 8, BTS2 is according to the arrival bearing listened in GP.BTS2 in the uplink stage,
Weights are received by adjusting multiple antennas, null wave beam are directed to the arrival bearing of interference, so as to reach the effect of suppression.
Example four：
After the flow in Fig. 8, BTS2 listens to the interference information of adjacent cell in GP, believes comprising energy and channel
Breath.BTS2 is in the uplink stage, and according to the interference information for indicating to obtain using descending interference, the interference for carrying out base band eliminates.
Example five：
Comprising 1) follow-up several continuous cycles by using the number N of continuous downlink transfer in downlink business instruction；2) and/or
Downlink wave beam excipient directional information, such as precoding instruction (precoding index), wave beam id information (beam id)；With/
Or the downlink business load information of this subframe and/or follow-up multiple subframes.
Base station 1 (BTS1) includes the number of sub-frames or length of follow-up dispatching downlink business in downlink business configured information
Information, and/or follow-up downlink business beam information.
1) base station 2 (BTS2) is grown by listening in the downlink business instruction of base station 1 the follow-up downlink business included in GP
Information is spent, adjusts the follow-up scheduling up-downgoing traffic direction of this cell, reduces up-downgoing interference.
2) base station 2 adjusts the scheduling mode of follow-up business by monitoring the beam informations of follow-up several downlink business, wherein
Scheduling mode includes up-downgoing business, modulation coding mode and beam shaping direction etc..
For example it is designated as X comprising follow-up descending sub frame in descending instruction, then it represents that after this frame, it is individual descending also to have X
Business is transmitted.If X=0, then it represents that subsequent time, this cell will carry out uplink scheduling transmission.If descending X！=0, then
Represent also to have X downlink transfer below, while may search for the beam information and/or traffic load information of corresponding X subframes.
Example six
Down channel estimation or the transmission of demodulated signal are carried out in set aside some time S1 and/or downlink business instruction position.
Here the S1 that sets aside some time corresponds to foregoing conversion time.
Wherein BTS1 can carry out down channel detection symbol/signal using the position that S1 and/or downlink business indicate
Transmission, can also include the transmission of downstream modulation symbol/signal, can also be simultaneously comprising both.
Example seven：
The transmission of down control channel is carried out in the position that S1 and/or downlink business indicate.
BTS1 can utilize S1 and/or downlink business indicating positions transmission down control channel.And in downlink business subframe
(or other unit of transfer's concepts, such as time slot) part carries out the transmission of downlink business.
In a word, indicated by introducing downlink business, it is convenient to detect adjacent cell up-downgoing service condition, judge whether meeting in advance
There is interference at crossed slot generation；Indicated using downlink business, can obtain interference information, auxiliary carries out AF panel or deleted
Remove；Indicated by transmitting downlink business within the time corresponding with the GP of uplink, upcoming base station can be allowed effectively to obtain
The business instruction of descending base station, and base station have effectively carried out the information exchange between base station to the interference information of base station.
In several embodiments provided herein, it should be understood that disclosed apparatus and method, it can be passed through
Its mode is realized.Apparatus embodiments described above are only schematical, for example, the division of the unit, is only
A kind of division of logic function, there can be other dividing mode when actually realizing, such as：Multiple units or component can combine, or
Another system is desirably integrated into, or some features can be ignored, or do not perform.In addition, shown or discussed each composition portion
Point mutual coupling or direct-coupling or communication connection can be the INDIRECT COUPLINGs by some interfaces, equipment or unit
Or communication connection, can be electrical, mechanical or other forms.
The above-mentioned unit illustrated as separating component can be or may not be physically separate, show as unit
The part shown can be or may not be physical location, you can positioned at a place, can also be distributed to multiple network lists
In member；Partly or entirely unit therein can be selected to realize the purpose of this embodiment scheme according to the actual needs.
In addition, each functional unit in various embodiments of the present invention can be fully integrated into a processing module, also may be used
To be each unit individually as a unit, can also two or more units it is integrated in a unit；It is above-mentioned
Integrated unit can both be realized in the form of hardware, can also be realized in the form of hardware adds SFU software functional unit.
One of ordinary skill in the art will appreciate that：Realizing all or part of step of above method embodiment can pass through
Programmed instruction related hardware is completed, and foregoing program can be stored in a computer read/write memory medium, the program
Upon execution, the step of execution includes above method embodiment；And foregoing storage medium includes：It is movable storage device, read-only
Memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disc or
Person's CD etc. is various can be with the medium of store program codes.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be contained
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (24)
1. one kind interference processing method, it is characterised in that including：
Whether after Downlink Control Information transmission is completed, being monitored within the protection interval time of transmission frame has under adjacent cell transmission
Industry business instruction, forms snoop results；
According to the snoop results, handle the downlink business instruction corresponding to downlink business this cell uplink business is received
Interference.
2. according to the method for claim 1, it is characterised in that
Methods described, in addition to：
After Downlink Control Information transmission is completed, from the descending State Transferring that sends into institute in the conversion interval of the transmission frame
State uplink receiving state；
Whether described monitored within the protection interval time of transmission frame has adjacent cell to send downlink business instruction, is formed and monitors knot
Fruit, including：
After the uplink receiving State Transferring is completed, being monitored in the protection interval after the conversion interval is
It is no to there is adjacent cell to send the downlink business instruction, form the snoop results.
3. method according to claim 1 or 2, it is characterised in that
It is described complete Downlink Control Information transmission after, whether monitored within the protection interval time of transmission frame has adjacent cell hair
Send downlink business to indicate, form snoop results, including：
Whether have adjacent cell send downlink business instruction, obtain the downlink business instruction if being monitored within the protection interval time
Signal energy and/or channel information；
And/or
Whether have adjacent cell send downlink business instruction, obtain the downlink business instruction if being monitored within the protection interval time
The transmission parameter of the downlink business carried；Wherein, the parameter that sends is provided according to ginseng for the processing of the progress interference
Number.
4. according to the method for claim 3, it is characterised in that
It is described send parameter include length information, beam information, coding indication information and traffic load information at least within it
One；Wherein, the length information includes the transmission duration and/or transmission number of sub-frames of the downlink business；The beam information
Beam direction and/or wave beam mark including the downlink business；The coding indication information includes the volume of the downlink business
Code modulation system；The traffic load information includes the load capacity of the downlink business.
5. method according to claim 1 or 2, it is characterised in that
It is described according to the snoop results, handle the downlink business instruction corresponding to downlink business this cell uplink business is connect
The interference of receipts, including：
According to the snoop results, determine whether that adjacent cell in this cell in the time of the uplink service reception will have
The downlink business is sent；
When there is adjacent cell to carry out thering is the downlink business to send in the time of the uplink service reception in described cell, adopt
The uplink service reception is carried out with disturbing elimination, AF panel and/or evading.
6. according to the method for claim 5, it is characterised in that
It is described according to the snoop results, handle the downlink business instruction corresponding to downlink business this cell uplink business is connect
The interference of receipts, including：
When no adjacent cell carries out having the downlink business to send in the time of the uplink service reception in described cell,
The uplink service reception is carried out using predetermined manner.
7. according to the method for claim 5, it is characterised in that
It is described to there is adjacent cell to carry out thering is the downlink business to send in the time of the uplink service reception in described cell
When, using interference elimination, AF panel and/or evade the progress uplink service reception, including：
When there is adjacent cell to carry out thering is the downlink business to send in the time of the uplink service reception in described cell, obtain
Take interference parameter；
According to the scheduling of the whole uplink service of the interference parameter, to eliminate, suppress and/or evade the dry of the downlink business
Disturb；
Using the scheduling mode after adjustment, the transmission of the uplink service is carried out.
8. one kind interference processing method, it is characterised in that including：
Send Downlink Control Information；
After the Downlink Control Information has been sent and before downlink business is sent, downlink business instruction is sent；Wherein, institute
Downlink business is stated to indicate to be used to inform adjacent cell, the downlink traffic transmission situation of this cell.
9. according to the method for claim 8, it is characterised in that described to have sent the Downlink Control Information afterwards and sent out
Before sending downlink business, downlink business instruction is sent, including：
After the Downlink Control Information has been sent and after the conversion interval of the wait transmission frame, the lower industry is sent
Business instruction；
Wherein, the conversion interval is used for switching of the uplink service base station completion from descending transmission state to uplink receiving state.
10. according to the method for claim 9, it is characterised in that
Methods described also includes：
In the conversion interval of the transmission frame, prearranged signals is sent to terminal；Wherein, the prearranged signals is predetermined for realizing
Function.
11. according to the method for claim 8, it is characterised in that
It is described to send downlink business after the Downlink Control Information has been sent and before downlink business is sent and indicate, bag
Include：
Downlink business instruction is carried on prearranged signals and sent；Wherein, the transmission parameter of the prearranged signals is additionally operable to
Realize predetermined function.
12. according to the method for claim 8, it is characterised in that
It is described to send downlink business after the Downlink Control Information has been sent and before downlink business is sent and indicate, bag
Include：
Correspond in downlink traffic transmission frame in the protection interval of uplink traffic transmission frame, send the downlink business instruction.
A kind of 13. base station, it is characterised in that including：
Monitoring unit, for complete Downlink Control Information transmission after, monitored within the protection interval time of transmission frame whether
There is adjacent cell to send downlink business instruction, form snoop results；
Processing unit, for according to the snoop results, handling downlink business corresponding to the downlink business instruction to this cell
The interference that uplink service receives.
14. base station according to claim 13, it is characterised in that
The base station, in addition to：
Converting unit, after being transmitted in completion Downlink Control Information, from descending hair in the conversion interval of the transmission frame
State Transferring is sent into the uplink receiving state；
The monitoring unit, specifically for after the uplink receiving State Transferring is completed, after the conversion interval
The protection interval in monitor and whether there is adjacent cell to send downlink business instruction, form the snoop results.
15. the base station according to claim 13 or 14, it is characterised in that
The monitoring unit, is specifically used for,
Whether have adjacent cell send downlink business instruction, obtain the downlink business instruction if being monitored within the protection interval time
Signal energy and/or channel information；
And/or
Whether have adjacent cell send downlink business instruction, obtain the downlink business instruction if being monitored within the protection interval time
The transmission parameter of the downlink business carried；Wherein, the parameter that sends is provided according to ginseng for the processing of the progress interference
Number.
16. base station according to claim 15, it is characterised in that
It is described send parameter include length information, beam information, coding indication information and traffic load information at least within it
One；Wherein, the length information includes the transmission duration and/or transmission number of sub-frames of the downlink business；The beam information
Beam direction and/or wave beam mark including the downlink business；The coding indication information includes the volume of the downlink business
Code modulation system；The traffic load information includes the load capacity of the downlink business.
17. the base station according to claim 13 or 14, it is characterised in that
The processing unit, specifically for according to the snoop results, determining whether that adjacent cell is carried out on described in this cell
There to be the downlink business to send in the time that industry business receives；When there is adjacent cell the uplink service is carried out in described cell
When having the downlink business transmission in the time of reception, using interference elimination, AF panel and/or evade the progress upper industry
Business receives.
18. base station according to claim 17, it is characterised in that
The processing unit, specifically for when no adjacent cell is within the time that described cell carries out the uplink service reception
When having the downlink business transmission, the uplink service reception is carried out using predetermined manner.
19. base station according to claim 17, it is characterised in that
The processing unit, there is adjacent cell in described cell in the time of the uplink service reception have specifically for working as
When the downlink business is sent, interference parameter is obtained；The scheduling of the uplink service is adjusted according to the interference parameter, to disappear
Remove, suppress and/or evade the interference of the downlink business.
A kind of 20. base station, it is characterised in that including：
Transmitting element, for sending Downlink Control Information；It is and after the Downlink Control Information has been sent and descending sending
Before business, downlink business instruction is sent；Wherein, the downlink business indicates to be used to inform adjacent cell, the lower industry of this cell
Business status transmission.
21. base station according to claim 20, it is characterised in that
The transmitting element, specifically for after the Downlink Control Information has been sent and between the conversion of the wait transmission frame
Indicated every later, sending the downlink business；Wherein, the conversion interval is used for the completion of uplink service base station from descending transmission shape
Switching of the state to uplink receiving state.
22. base station according to claim 21, it is characterised in that
The transmitting element, it is additionally operable in the conversion interval of the transmission frame, prearranged signals is sent to terminal；Wherein, it is described
Prearranged signals is used to realize predetermined function.
23. base station according to claim 20, it is characterised in that
The transmitting element, sent specifically for downlink business instruction is carried on prearranged signals；Wherein, it is described predetermined
The transmission parameter of signal is additionally operable to realize predetermined function.
24. base station according to claim 20, it is characterised in that
The transmitting element, specifically for corresponding in downlink traffic transmission frame in the protection interval of uplink traffic transmission frame, hair
The downlink business is sent to indicate.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610799053.3A CN107787012B (en) | 2016-08-31 | 2016-08-31 | Interference processing method and base station |
| PCT/CN2017/097176 WO2018040894A1 (en) | 2016-08-31 | 2017-08-11 | Interference processing method, base station, and computer storage medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610799053.3A CN107787012B (en) | 2016-08-31 | 2016-08-31 | Interference processing method and base station |
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| CN107787012B CN107787012B (en) | 2021-10-29 |
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| CN110602008B (en) * | 2018-06-13 | 2023-04-07 | 中兴通讯股份有限公司 | Method, equipment, device and computer storage medium for suppressing inter-cell interference |
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| WO2018040894A1 (en) | 2018-03-08 |
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