CN105472623B - A kind of authorization frequency spectrum in Cellular Networks assists access communications method and apparatus - Google Patents
A kind of authorization frequency spectrum in Cellular Networks assists access communications method and apparatus Download PDFInfo
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Abstract
The invention proposes the LAA communication means and device in a kind of Cellular Networks.Base station receives the first feeding back signaling and determines the first running time-frequency resource and the second running time-frequency resource in step 1；In step 2, the second feeding back signaling is sent on the second running time-frequency resource.Wherein, first running time-frequency resource and the second running time-frequency resource are respectively positioned on first carrier, and first carrier is deployed in unlicensed spectrum, and the second feeding back signaling includes { characteristic sequence, information bit } one of or two kinds, the base station the first running time-frequency resource keep zero send power.Interfering with each other, the raising communication efficiency for multiple adjacent base stations that the solution of the present invention can effectively avoid LAA from communicating.
Description
Technical field
The present invention relates to the schemes that unlicensed spectrum communication is utilized in wireless communication system, more particularly to based on LTE
It is assisted between the base station for unlicensed spectrum (Unlicensed Spectrum) of (Long Term Evolution, long term evolution)
Same method and apparatus.
Background technique
Traditional 3GPP (3rd Generation Partner Project, third generation cooperative partner program) LTE system
In, data transmission can only occur on authorization frequency spectrum, however as increased dramatically for portfolio, especially in some urban areas,
Authorization frequency spectrum is likely difficult to meet the needs of portfolio.62 plenary sessions of 3GPP RAN discuss a new research topic, i.e.,
The comprehensive research (RP-132085) of unlicensed spectrum, main purpose is the dependent of LTE of the research and utilization in unlicensed spectrum
(Non-standalone) it disposes, so-called dependent refers to that the communication in unlicensed spectrum wants and authorize the service on frequency spectrum small
Area is associated.One intuitive method is that (Carrier Aggregation, carrier wave are poly- by the CA that reuses in existing system as far as possible
Close) concept, that is, be deployed in authorization frequency spectrum on serving cell as PCC (Primary Component Carrier, main load
Wave), the serving cell in unlicensed spectrum is deployed in as SCC (Secondary Component Carrier, secondary carrier).
In RAN#64 plenary session (seminar), communication in unlicensed spectrum is LAA (License Assisted by Uniform Name
Access, the access of authorization frequency spectrum auxiliary).
Multiple adjacent base stations from different operators may be deployed on identical frequency spectrum, and then be generated serious with frequency
Interference, the technologies such as such as LBT (Listen Before Talk, first listen to and send afterwards) can be done between a degree of mitigation base station
It disturbs, LBT, that is, base station or UE (User Equipment, user equipment) are first listened in unlicensed spectrum before sending signal
Power is received, source is not interfered in the unlicensed spectrum if determined according to the reception power, described unauthorized
Signal is sent on frequency spectrum, does not otherwise send signal.
LBT can be regarded as the weak collaboration between a kind of base station, however when the comparatively dense of LAA base station deployment, merely
LBT can not effectively avoid interfering, such as when multiple base stations in a time/frequency source block monitoring reception power and determination do not deposit
In interference source, the multiple base station may send signal simultaneously and then generate stronger inter base station interference.
In view of the above-mentioned problems, the invention discloses LAA communication means and device in a kind of Cellular Networks, i.e., it is a kind of stronger
Base station cooperative approach.
Summary of the invention
The invention discloses a kind of methods in base station, which comprises the steps of:
Step A. receives the first feeding back signaling and determines the first running time-frequency resource and the second running time-frequency resource
Step B. sends the second feeding back signaling on the second running time-frequency resource.
Wherein, the first running time-frequency resource and the second running time-frequency resource are respectively positioned on first carrier, and first carrier is deployed in unauthorized frequency
Spectrum, the second feeding back signaling include one of { characteristic sequence, information bit } or two kinds, and the base station is in the first running time-frequency resource
Zero is kept to send power.
The feeding back signaling is space interface signaling.The information bit includes multiple bits.As one embodiment, first time
Communication order is the synchronizing sequence for being used to indicate time synchronization, first the first running time-frequency resource of feeding back signaling implicit instruction and the second time-frequency
There are mapping relations with the time-frequency location of synchronizing sequence respectively for resource, the i.e. position of the first running time-frequency resource and the second running time-frequency resource.
As one embodiment, the first feeding back signaling is information bit, first the first running time-frequency resource of feeding back signaling explicit instruction and second
Running time-frequency resource.
As one embodiment, the step B further includes following steps:
Step B1. is in the first running time-frequency resource monitoring reception power.
Wherein, the instruction of the second feeding back signaling sends the i.e. described base station requests occupancy running time-frequency resource of request and sends wireless signal,
The reception power is lower than specific threshold, and the specific threshold is that the pre-determining base station voluntarily determines either
Send what base station configured by the first feeding back signaling.
In above-described embodiment, the base station carries the reception power listened in the first running time-frequency resource and comes from belonging to the base station
Base station cluster except transmitter, i.e., the base station in the described base station cluster all keeps zero transmission power in the first running time-frequency resource, described
Base station cluster be it is synchronous, corresponding synchronisation source is the head base station of the base station cluster, other base stations are member base stations.
As one embodiment, the characteristic sequence is ZC (ZadOff-Chu) sequence.As one embodiment, the spy
Sign sequence shows pseudo-random sequence.
As one embodiment, the first feeding back signaling and the second feeding back signaling are transmitted on first carrier.
As one embodiment, the first running time-frequency resource and the second running time-frequency resource all periodically occur.
Specifically, according to an aspect of the present invention, which is characterized in that further include following steps:
Step C. receives the determination of third feeding back signaling and is sent on first carrier
Step D. sends downstream wireless signals on the third running time-frequency resource on first carrier.
As one embodiment, third feeding back signaling display configuration third running time-frequency resource.As one embodiment, when third
Frequency resource is by the first feeding back signaling implicit instruction.As one embodiment, third feeding back signaling includes multiple base station IDs
(Identifier, identifier), position of the third running time-frequency resource by the corresponding base station IDs in the base station in third feeding back signaling
It determines, the base station IDs are integers.
As one embodiment, the step D further includes following steps:
Step D1. is in the first running time-frequency resource monitoring reception power.
Wherein, the reception power be lower than specific threshold, the specific threshold be pre-determining either the base station from
Row determination either sends what base station configured by the first feeding back signaling.
As one embodiment, third feeding back signaling is transmitted on first carrier.
Specifically, according to an aspect of the present invention, which is characterized in that the characteristic sequence is one in optional sequence pond
A, index of the characteristic sequence in the optional sequence pond is following one:
- option one: randomly selected in real time by the base station
- option two: send what base station configured by the first feeding back signaling.
Specifically, according to an aspect of the present invention, which is characterized in that the first feeding back signaling is broadcast signaling, first time
The reception base station that communication enables keeps zero transmission power in the first running time-frequency resource, and the second running time-frequency resource is connect by the first feeding back signaling
Receive base station code division multiplexing.
As one embodiment, there is the base station of transmission demand all to provide in the second time-frequency in the reception base station of the first feeding back signaling
Feeding back signaling is sent in source is used to indicate respective transmission request.
The invention discloses a kind of methods in base station, which comprises the steps of:
Step A. sends the first feeding back signaling and indicates the first running time-frequency resource and the second running time-frequency resource
Step B. receives target signaling set on the second running time-frequency resource, and the target signaling set includes K target letter
It enables, wherein 1 target signaling is the second feeding back signaling, the K is positive integer.
Wherein, the first running time-frequency resource and the second running time-frequency resource are respectively positioned on first carrier, and first carrier is deployed in unauthorized frequency
Spectrum, the second feeding back signaling include one of { characteristic sequence, information bit } or two kinds, and the base station is in the first running time-frequency resource
Zero is kept to send power.
In the above method, the base station plays the head base station role in a base station cluster, described in addition to as synchronisation source
Base station, which also configures, is used to receive the running time-frequency resource that power is listened to and the time-frequency money for request to send signal in the base station cluster
Source, and the member base stations in the base station cluster is notified to send wireless signal.The above method avoids multiple in the base station cluster
The conflicting problem of wireless signal that base station is sent.
The K target signaling is sent by K different base stations.As one embodiment, the K is 1.
As one embodiment, the first feeding back signaling is the synchronizing sequence for being used to indicate time synchronization, the first feeding back signaling
The first running time-frequency resource of implicit instruction and the second running time-frequency resource, the i.e. position of the first running time-frequency resource and the second running time-frequency resource are respectively and together
There are mapping relations for the time-frequency location of step sequence.As one embodiment, the first feeding back signaling is information bit, the first passback letter
Enable the first running time-frequency resource of explicit instruction and the second running time-frequency resource.
As one embodiment, the instruction of the second feeding back signaling sends the transmission base station requests that request is the second feeding back signaling and accounts for
Send wireless signal with running time-frequency resource, the receptions power lower than specific threshold, the specific threshold be pre-determining either
What the base station voluntarily determined either sends what base station configured by the first feeding back signaling.
As one embodiment, the characteristic sequence is ZC sequence.As one embodiment, the characteristic sequence show it is pseudo- with
Machine sequence.
Specifically, according to an aspect of the present invention, which is characterized in that further include following steps:
Step C. sends third feeding back signaling instruction target BS group and is sent on first carrier, the target base
The transmission base station of the second feeding back signaling is included at least in group of standing.
It further include the transmission base station of the first feeding back signaling as one embodiment, in the target BS group.
Specifically, according to an aspect of the present invention, which is characterized in that the characteristic sequence is one in optional sequence pond
A, index of the characteristic sequence in the optional sequence pond is following one:
- option one: randomly selected in real time by the transmission base station of the second feeding back signaling
- option two: it is configured by the base station.
The step C will meet the equity dispatching to different base station.
As one embodiment, index of the characteristic sequence in the optional sequence pond is the option one, described
Target BS group includes the transmission base station of all target signalings in the target signaling set.
As one embodiment, index of the characteristic sequence in the optional sequence pond is the option one, described
Target BS group includes the hair for sending base station and the first feeding back signaling of all target signalings in the target signaling set
Send base station.
As one embodiment, the target BS group only includes a base station, and the characteristic sequence is in the optional sequence
Index in column pond is the option two, and the index of the corresponding characteristic sequence of the second feeding back signaling is the target letter
Enable the minimum value in the corresponding index of target signaling in set.
As one embodiment, the target BS group only includes a base station, and the characteristic sequence is in the optional sequence
Index in column pond is the option two, and the index of the corresponding characteristic sequence of the second feeding back signaling is the target letter
Enable the transmission base station of the corresponding index of the target signaling in set and the first feeding back signaling randomly selected characteristic sequence in real time
Index in minimum value.
Specifically, according to an aspect of the present invention, which is characterized in that the first feeding back signaling is broadcast signaling, first time
The reception base station that communication enables keeps zero transmission power in the first running time-frequency resource, and the second running time-frequency resource is connect by the first feeding back signaling
Receive base station code division multiplexing.
As one embodiment, there is the base station of transmission demand all to provide in the second time-frequency in the reception base station of the first feeding back signaling
Feeding back signaling is sent in source is used to indicate respective transmission request.
The invention discloses a kind of base station equipments, which is characterized in that the equipment includes:
First module: the first running time-frequency resource and the second running time-frequency resource are determined for receiving the first feeding back signaling
Second module: for sending the second feeding back signaling on the second running time-frequency resource
Third module: for receiving, third feeding back signaling is determining to be sent on first carrier
4th module: downstream wireless signals are sent on the third running time-frequency resource on first carrier.
Wherein, the first running time-frequency resource and the second running time-frequency resource are respectively positioned on first carrier, and first carrier is deployed in unauthorized frequency
Spectrum, the second feeding back signaling include one of { characteristic sequence, information bit } or two kinds, and the base station is in the first running time-frequency resource
Zero is kept to send power.
As one embodiment, above equipment is characterized in that, the first feeding back signaling is broadcast signaling, the first feeding back signaling
Reception base station kept in the first running time-frequency resource zero transmission power, the second running time-frequency resource by the first feeding back signaling reception base station
Code division multiplexing.
As one embodiment, the second module is also used in the first running time-frequency resource monitoring reception power.
Wherein, the instruction of the second feeding back signaling sends the i.e. described base station requests occupancy running time-frequency resource of request and sends wireless signal,
The reception power is lower than specific threshold, and the specific threshold is that the pre-determining base station voluntarily determines either
Send what base station configured by the first feeding back signaling.
The invention discloses a kind of base station equipments, which is characterized in that the equipment includes:
First module: the first running time-frequency resource and the second running time-frequency resource are indicated for sending the first feeding back signaling
Second module: for receiving target signaling set on the second running time-frequency resource, the target signaling set includes K
Target signaling, wherein 1 target signaling is the second feeding back signaling, the K is positive integer
Third module: being sent on first carrier for sending third feeding back signaling instruction target BS group, described
The transmission base station of the second feeding back signaling is included at least in target BS group.
Wherein, the first running time-frequency resource and the second running time-frequency resource are respectively positioned on first carrier, and first carrier is deployed in unauthorized frequency
Spectrum, the second feeding back signaling include one of { characteristic sequence, information bit } or two kinds, and the base station is in the first running time-frequency resource
Zero is kept to send power.
As one embodiment, above equipment is characterized in that, the first feeding back signaling is broadcast signaling, the first feeding back signaling
Reception base station kept in the first running time-frequency resource zero transmission power, the second running time-frequency resource by the first feeding back signaling reception base station
Code division multiplexing.
It further include the transmission base station of the first feeding back signaling as one embodiment, in the target BS group.
How to realize that the close collaboration between the base station in unlicensed spectrum is one in LAA communication and in need of consideration asks
Topic.For this problem, the invention proposes a kind of base station cooperative approach, head base station is sent back in shared unlicensed spectrum
Communication enables the first running time-frequency resource of instruction and the second running time-frequency resource；The member base stations of access head base station listen in the first running time-frequency resource to be connect
Power is received to judge whether that request sends wireless signal, (if it is determined that request sends wireless signal) is then sent out in the second running time-frequency resource
Send the second feeding back signaling.The solution of the present invention can effectively avoid the interfering with each other of multiple adjacent base stations of LAA communication, improve logical
Believe efficiency.
Detailed description of the invention
By reading a detailed description of non-restrictive embodiments in the light of the attached drawings below, of the invention other
Feature, objects and advantages will become more apparent:
Fig. 1 shows the flow chart of base station collaboration according to an embodiment of the invention；
Fig. 2 shows the schematic diagrames of running time-frequency resource position according to an embodiment of the invention；
Fig. 3 shows the schematic diagram of running time-frequency resource position according to still another embodiment of the invention；
Fig. 4 shows the schematic diagram of third feeding back signaling according to an embodiment of the invention；
Fig. 5 shows the structural block diagram of the processing unit in member base stations according to an embodiment of the invention；
Fig. 6 shows the structural block diagram of the processing unit in head base station according to an embodiment of the invention；
Specific embodiment
Technical solution of the present invention is described in further detail below in conjunction with attached drawing, it should be noted that do not rushing
In the case where prominent, the feature in embodiments herein and embodiment can be arbitrarily combined with each other.
Embodiment 1
Embodiment 1 illustrates the flow chart of base station collaboration, as shown in Fig. 1.In attached drawing 1, base station N1 and base station N2 belong to
The same base station cluster, base station N1 are the synchronisation sources that a base station i.e. base station N1 is the base station cluster, and base station N2 is member base stations, base station
N2 is the serving BS of UE U3.Wherein step S22 is optional step.
For base station N1, in step s 11, sends the first feeding back signaling and indicate the first running time-frequency resource and the second time-frequency money
Source；In step s 12, target signaling set is received on the second running time-frequency resource, the target signaling set includes K target letter
It enables, wherein 1 target signaling is the second feeding back signaling, the K is positive integer；In step s 13, third feeding back signaling is sent to refer to
Show that target BS group is sent on first carrier, base station N2 is included at least in the target BS group.
For base station N2, in the step s 21, receives the first feeding back signaling and determine the first running time-frequency resource and the second time-frequency money
Source；In step S22, the first running time-frequency resource monitoring reception power (receiving the power of signal)；In step S23,
The second feeding back signaling is sent on two running time-frequency resources；In step s 24, the determination of third feeding back signaling is received to carry out on first carrier
It sends；In step s 25, downstream wireless signals are sent on the third running time-frequency resource on first carrier give UE U3.
In embodiment 1, the first running time-frequency resource and the second running time-frequency resource are respectively positioned on first carrier, and first carrier is deployed in non-award
Frequency spectrum is weighed, the second feeding back signaling includes one of { characteristic sequence, information bit } or two kinds, owning in the base station cluster
Base station keeps zero to send power in the first running time-frequency resource.The reception power is lower than specific threshold, and the specific threshold is pre- true
It is that fixed base station N2 is voluntarily determined or being configured by base station N1
In embodiment 1, the first running time-frequency resource and the second running time-frequency resource are orthogonal in time.
As the sub- embodiment 1 of embodiment 1, the second feeding back signaling includes characteristic sequence, and the characteristic sequence is in optional sequence
The index arranged in pond is randomly selected in real time by base station N2.Base station N1 is according to the corresponding index of K target signaling
The target BS group is determined according to fair principle.As one embodiment of the fair principle, the target BS
Group only includes 1 base station.1 base station is transmission corresponding to minimum value during the K target signaling indexes accordingly
Base station.
As the sub- embodiment 2 of embodiment 1, the second feeding back signaling includes characteristic sequence, and the characteristic sequence is in optional sequence
The index arranged in pond is configured by base station N1.Base station N1 is according to the corresponding index of the K target signaling according to justice
Property principle determines the target BS group.As one embodiment of the fair principle, the target BS group includes institute
State the corresponding transmission base station of K target signaling.Base station in the target BS group averagely configures available resources.
As the sub- embodiment 3 of embodiment 1, the time-domain resource is by base station N1 for dispatching wireless communication on a second carrier
Number transmission.
As the sub- embodiment 4 of embodiment 1, the target BS group further includes base station N1.Base station N1 is not needed second
Feeding back signaling is sent in running time-frequency resource, it is only necessary to determine the target BS group according to fair principle.
Embodiment 2
Embodiment 2 illustrates the position view of the running time-frequency resource in the present invention, as shown in Fig. 2.In attached drawing 2,
The grid of oblique line mark is the first running time-frequency resource, and the grid of backslash mark is the second running time-frequency resource, and the grid of thick line mark is
Third running time-frequency resource.
In embodiment 2, the second running time-frequency resource is temporally located at before the first running time-frequency resource, and third running time-frequency resource is in frequency domain
On occupy the bandwidth of entire first carrier.
As the sub- embodiment 1 of embodiment 2,1 base station is only included in the target BS group in the present invention.
As the sub- embodiment 2 of embodiment 2, the first feeding back signaling is broadcast signaling, the reception base station of the first feeding back signaling
In the first running time-frequency resource keep zero send power, the second running time-frequency resource by the first feeding back signaling reception base station code division multiplexing.
Embodiment 3
Embodiment 3 illustrates the position view of the running time-frequency resource in another present invention, as shown in Fig. 3.It is attached
In Fig. 3, the grid of oblique line mark is the first running time-frequency resource, and the grid of backslash mark is the second running time-frequency resource, thick line mark
Grid is third running time-frequency resource.
In embodiment 3, the first running time-frequency resource is temporally located at before the second running time-frequency resource, and third running time-frequency resource is in frequency domain
On occupy the fractional bandwidth of first carrier.
It include not only 1 base station in the target BS group in the present invention as the sub- embodiment of embodiment 3.
Embodiment 4
Embodiment 4 illustrates the schematic diagram of third feeding back signaling, as shown in Fig. 4.In attached drawing 4, the grid of thick line mark
It is the running time-frequency resource for downlink transfer of third feeding back signaling implicit assignment.
Third feeding back signaling includes N number of cell ID, is first community ID, second community ID ..., N cell ID respectively.
The cell ID is positive integer, and the running time-frequency resource for downlink transfer that the maintenance base station of the cell ID is distributed is by described small
Implicitly determining-first community ID corresponds to R1 running time-frequency resource for position of the area ID in third feeding back signaling, and second community ID corresponds to R2
Running time-frequency resource ..., N cell ID correspond to RN running time-frequency resource.
The N is to send base station configuration or pre-determining constant by third feeding back signaling.
Embodiment 5
Embodiment 5 illustrates the structural block diagram of the processing unit in member base stations, as shown in Fig. 5.In attached drawing 5, processing
Device 300 is made of receiving module 301, sending module 302, receiving module 303 and sending module 304.
Receiving module 301 determines the first running time-frequency resource and the second running time-frequency resource for receiving the first feeding back signaling；Send mould
Block 302 on the second running time-frequency resource for sending the second feeding back signaling；Receiving module 303 is determined for receiving third feeding back signaling
It is sent on first carrier；It is wireless that sending module 304 sends downlink on the third running time-frequency resource on first carrier
Signal.
In embodiment 5, the first running time-frequency resource and the second running time-frequency resource are respectively positioned on first carrier, and first carrier is deployed in non-award
Frequency spectrum is weighed, the second feeding back signaling includes one of { characteristic sequence, information bit } or two kinds, and the base station is in the first time-frequency
Resource keeps zero to send power.
As the sub- embodiment 1 of embodiment 5, the first feeding back signaling is the synchronizing sequence of periodicity sending, the synchronous sequence
Column are for the synchronous reference as base station cluster.First running time-frequency resource and the second running time-frequency resource by the synchronizing sequence implicit instruction,
That is the first running time-frequency resource and the second running time-frequency resource are pre-determining relative to the time-frequency location of the synchronizing sequence.
As the sub- embodiment 2 of embodiment 5, first the first running time-frequency resource of feeding back signaling explicit instruction and the second running time-frequency resource
Position.
As the sub- embodiment 3 of embodiment 5, the first feeding back signaling is broadcast signaling, the reception base station of the first feeding back signaling
In the first running time-frequency resource keep zero send power, the second running time-frequency resource by the first feeding back signaling reception base station code division multiplexing.
Embodiment 6
Embodiment 6 illustrates the structural block diagram of the processing unit in a base station, as shown in Fig. 6.In attached drawing 6, processing dress
400 are set to be made of sending module 401, receiving module 402 and sending module 403.
Sending module 401 indicates the first running time-frequency resource and the second running time-frequency resource for sending the first feeding back signaling；Receive mould
Block 402 is used to receive target signaling set on the second running time-frequency resource, and the target signaling set includes K target signaling,
In 1 target signaling be the second feeding back signaling, the K is positive integer；Sending module 403 is for sending the instruction of third feeding back signaling
Target BS group is sent on first carrier, and the transmission base of the second feeding back signaling is included at least in the target BS group
It stands.
In embodiment 6, the first running time-frequency resource and the second running time-frequency resource are respectively positioned on first carrier, and first carrier is deployed in non-award
Frequency spectrum is weighed, the second feeding back signaling includes one of { characteristic sequence, information bit } or two kinds, and the base station is in the first time-frequency
Resource keeps zero to send power.The target signaling is the counterpart of the second feeding back signaling either the second feeding back signaling.
As the sub- embodiment 1 of embodiment 6, the first feeding back signaling is broadcast signaling, the reception base station of the first feeding back signaling
In the first running time-frequency resource keep zero send power, the second running time-frequency resource by the first feeding back signaling reception base station code division multiplexing.
As the sub- embodiment 2 of embodiment 6, the target BS group further includes the transmission base station of the first feeding back signaling.
Those of ordinary skill in the art will appreciate that all or part of the steps in the above method can be referred to by program
Related hardware is enabled to complete, described program can store in computer readable storage medium, such as read-only memory, hard disk or light
Disk etc..Optionally, one or more integrated circuit can be used also to realize in all or part of the steps of above-described embodiment.Phase
It answers, each modular unit in above-described embodiment, can be realized using example, in hardware, it can also be by the form of software function module
It realizes, the application is not limited to the combination of the software and hardware of any particular form.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the scope of the present invention.It is all
Within the spirit and principles in the present invention, any modification made, equivalent replacement, improve etc., it should be included in protection of the invention
Within the scope of.
Claims (12)
1. a kind of method in base station, which comprises the steps of:
Step A. receives the first feeding back signaling and determines the first running time-frequency resource and the second running time-frequency resource；
Step B. sends the second feeding back signaling on the second running time-frequency resource；
Wherein, the first running time-frequency resource and the second running time-frequency resource are respectively positioned on first carrier, and first carrier is deployed in unlicensed spectrum, the
Two feeding back signalings include characteristic sequence, and the base station keeps zero to send power in the first running time-frequency resource.
2. the method according to claim 1, wherein further including following steps:
Step C. receives the determination of third feeding back signaling and is sent on first carrier；
Step D. sends downstream wireless signals on the third running time-frequency resource on first carrier.
3. method according to claim 1 or 2, which is characterized in that the characteristic sequence is one in optional sequence pond,
Index of the characteristic sequence in the optional sequence pond is following one:
- option one: randomly selected in real time by the base station；
- option two: send what base station configured by the first feeding back signaling.
4. method according to claim 1 or 2, which is characterized in that the first feeding back signaling is broadcast signaling, the first passback letter
The reception base station of order kept in the first running time-frequency resource zero transmission power, the second running time-frequency resource by the first feeding back signaling reception base
It stands code division multiplexing.
5. a kind of method in base station, which comprises the steps of:
Step A. sends the first feeding back signaling and indicates the first running time-frequency resource and the second running time-frequency resource；
Step B. receives target signaling set on the second running time-frequency resource, and the target signaling set includes K target signaling,
Wherein 1 target signaling is the second feeding back signaling, and the K is positive integer；
Wherein, the first running time-frequency resource and the second running time-frequency resource are respectively positioned on first carrier, and first carrier is deployed in unlicensed spectrum, the
Two feeding back signalings include characteristic sequence, and the base station keeps zero to send power in the first running time-frequency resource.
6. according to the method described in claim 5, it is characterized in that, further including following steps:
Step C. sends third feeding back signaling instruction target BS group and is sent on first carrier, the target BS group
In include at least the second feeding back signaling transmission base station.
7. method according to claim 5 or 6, which is characterized in that the characteristic sequence is one in optional sequence pond,
Index of the characteristic sequence in the optional sequence pond is following one:
- option one: randomly selected in real time by the transmission base station of the second feeding back signaling；- option two: it is configured by the base station
's.
8. method according to claim 5 or 6, which is characterized in that the first feeding back signaling is broadcast signaling, the first passback letter
The reception base station of order kept in the first running time-frequency resource zero transmission power, the second running time-frequency resource by the first feeding back signaling reception base
It stands code division multiplexing.
9. a kind of base station equipment, which is characterized in that the equipment includes:
First module: the first running time-frequency resource and the second running time-frequency resource are determined for receiving the first feeding back signaling；
Second module: for sending the second feeding back signaling on the second running time-frequency resource；
Third module: for receiving, third feeding back signaling is determining to be sent on first carrier；
4th module: downstream wireless signals are sent on the third running time-frequency resource on first carrier；
Wherein, the first running time-frequency resource and the second running time-frequency resource are respectively positioned on first carrier, and first carrier is deployed in unlicensed spectrum, the
Two feeding back signalings include characteristic sequence, and the base station keeps zero to send power in the first running time-frequency resource.
10. equipment according to claim 9, which is characterized in that the first feeding back signaling is broadcast signaling, the first feeding back signaling
Reception base station kept in the first running time-frequency resource zero transmission power, the second running time-frequency resource by the first feeding back signaling reception base station
Code division multiplexing.
11. a kind of base station equipment, which is characterized in that the equipment includes:
First module: the first running time-frequency resource and the second running time-frequency resource are indicated for sending the first feeding back signaling；
Second module: for receiving target signaling set on the second running time-frequency resource, the target signaling set includes K target
Signaling, wherein 1 target signaling is the second feeding back signaling, the K is positive integer；
Third module: it is sent on first carrier for sending third feeding back signaling instruction target BS group, the target
The transmission base station of the second feeding back signaling is included at least in group of base stations；
Wherein, the first running time-frequency resource and the second running time-frequency resource are respectively positioned on first carrier, and first carrier is deployed in unlicensed spectrum, the
Two feeding back signalings include characteristic sequence, and the base station keeps zero to send power in the first running time-frequency resource.
12. equipment according to claim 11, which is characterized in that the first feeding back signaling is broadcast signaling, the first passback letter
The reception base station of order kept in the first running time-frequency resource zero transmission power, the second running time-frequency resource by the first feeding back signaling reception base
It stands code division multiplexing.
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| CN110662240B (en) | 2018-06-29 | 2021-08-06 | 中国移动通信有限公司研究院 | Indication method, receiving method, network equipment and access equipment of transmitting power |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102340876A (en) * | 2010-07-15 | 2012-02-01 | 诺基亚公司 | Method and apparatus for device initiated offloading to unlicensed bands |
| CN103580840A (en) * | 2012-08-10 | 2014-02-12 | 捷讯研究有限公司 | TD LTE secondary component carrier in unlicensed bands |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| GB2477915B (en) * | 2010-02-12 | 2014-06-04 | Ubiquisys Ltd | Basestation carrier frequency selection |
| US9008714B2 (en) * | 2010-12-23 | 2015-04-14 | Qualcomm Incorporated | Method and apparatus for dynamically adjusting a rise-over-thermal or noise rise threshold |
| US8693431B2 (en) * | 2011-09-14 | 2014-04-08 | Qualcomm Incorporated | Methods and apparatus for interference based joint scheduling of peer to peer links with WWAN |
| CN103297980B (en) * | 2012-03-01 | 2016-12-14 | 华为技术有限公司 | The method and apparatus of interference coordination |
| CN105472623B (en) * | 2014-09-10 | 2019-07-09 | 上海朗帛通信技术有限公司 | A kind of authorization frequency spectrum in Cellular Networks assists access communications method and apparatus |
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|---|---|---|---|---|
| CN102340876A (en) * | 2010-07-15 | 2012-02-01 | 诺基亚公司 | Method and apparatus for device initiated offloading to unlicensed bands |
| CN103580840A (en) * | 2012-08-10 | 2014-02-12 | 捷讯研究有限公司 | TD LTE secondary component carrier in unlicensed bands |
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