CN104780544B - A kind of communication means and device using unlicensed spectrum - Google Patents
A kind of communication means and device using unlicensed spectrum Download PDFInfo
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- CN104780544B CN104780544B CN201410010055.0A CN201410010055A CN104780544B CN 104780544 B CN104780544 B CN 104780544B CN 201410010055 A CN201410010055 A CN 201410010055A CN 104780544 B CN104780544 B CN 104780544B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/14—Spectrum sharing arrangements between different networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
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Abstract
The invention discloses a kind of communication means and device using unlicensed spectrum.For how to determine this problem of the channel quality of unauthorized carrier wave, the present invention provides a kind of methods of signal-to-noise ratio computation.As one embodiment, UE detects characteristic signal on authorization carrier wave, detects to receive power in unauthorized resource, then obtains the channel quality in the unauthorized resource according to the characteristic signal and the reception power.The present invention accurate can measure channel quality and reduce the downlink measuring signal selected in the transmission of unauthorized carrier wave for unauthorized carrier wave as far as possible simultaneously, reduce the interference in unlicensed spectrum, furthermore it is idle frequency spectrum that the present invention, which is suitable for unlicensed spectrum, heterogeneous network frequency spectrum, the various scenes such as homogenous networks frequency spectrum.
Description
Technical field
The present invention relates to the scheme for utilizing unlicensed spectrum communication in wireless communication system, more particularly to based on for a long time drilling
Into（LTE-Long Term Evolution）Utilization unlicensed spectrum（Unlicensed Spectrum）Communication plan.
Background technique
Traditional third generation cooperative partner program（3GPP–3rd Generation Partner Project）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 of unlicensed spectrum（RP-132085）, main purpose is the dependent of LTE of the research and utilization in unlicensed spectrum
（Non-standalone）Deployment, so-called dependent refer to that the communication in unlicensed spectrum wants and authorize the service on frequency spectrum small
Area is associated.One intuitive method is the carrier wave polymerization reused in existing system as far as possible（CA-Carrier
Aggregation）Concept, that is, be deployed in authorization frequency spectrum on serving cell as main carrier（PCC-Primary
Component Carrier）, the serving cell in unlicensed spectrum is deployed in as secondary carrier（SCC-Secondary
Component Carrier）.
Different with the LTE communication on traditional authorization frequency spectrum, the LTE framework in unlicensed spectrum is faced with bigger do
Problem is disturbed, possible interference includes：
Interference in isomorphism system, such as the interference between different operators
The interference of heterogeneous system, such as the interference from systems such as WLANs
In order to reduce interference, an intuitive scheme is using 3GPP version 12（R12-Rlease12）The chalcid fly of middle discussion
Nest adaptively activation/release（On/Off）Concept, in order to realize adaptive activation/release operation, base station needs to perceive non-award
The transmission quality of frequency spectrum is weighed, possible method includes：
A. cellulor sends discovery signal, user equipment in unlicensed spectrum（UE-User Equipment）Report needle
To the feedback information of the discovery signal, cellulor judges the transmission quality of the unlicensed spectrum according to the feedback information
B. cellulor judges the unlicensed spectrum according to the uplink signal from UE received in unlicensed spectrum
Transmission quality
Above-mentioned two method all suffers from challenge in unlicensed spectrum, in method A, if the discovery signal is period hair
That send may then face severe jamming, higher if it is can then be brought to the monitoring of UE using the aperiodic transmission listened to before sending
Burden（Such as energy consumption）With the decline of detection performance；UE is required to send uplink signal meeting in unlicensed spectrum in method B
Bring biggish interference and expense.
In view of the above-mentioned problems, the invention discloses a kind of communication plans using unlicensed spectrum.
Summary of the invention
The invention discloses a kind of methods in UE, wherein includes the following steps：
A. characteristic signal is detected on first resource
B. it detects to receive power in the unauthorized resource of L group, wherein the reception power of the unauthorized resource of l group is Pl
C. the channel quality for determining the unauthorized resource of L group, wherein the channel quality Q of the unauthorized resource of l grouplIt is root
According to the characteristic signal and the PlDetermining
Wherein, the L is positive integer, and the l is 1 positive integer for arriving the L, and first resource does not cover described on frequency domain
The unauthorized resource of L group, the unauthorized resource deployment is in unauthorized carrier wave.
The calculation method for receiving power is that specific implementation is relevant, as one embodiment, the PlIt is l group institute
State each resource particle in unauthorized resource（RE-Resource Element）On received signal power linear averaging,
The l is 1 positive integer for arriving the L.
As one embodiment, the QlIt is S and the PlRatio, wherein the S is occupied by the characteristic signal
The linear average of reception power on RE, the PlIt is linear value.
As another embodiment, the QlAssume that the characteristic signal is useful signal and the PlIt is Gaussian noise
Power and determination channel quality instruction（CQI-Channel Quality Indicator）, wherein the PlIt is linear
Value, the l are 1 positive integers for arriving the L.The CQI reuses the CQI scheme of existing LTE system, and specific calculation method is real
It is existing relevant, it is the power of useful signal as one embodiment（Linear value）Divided by the power of Gaussian noise（Linear value）?
To signal-to-noise ratio（SNR-Signal Noise Ratio）, the SNR is then mapped to CQI by tabling look-up.
As one embodiment, first resource is deployed in authorization carrier wave.The advantages of embodiment, is to reuse completely
The channel quality measurement signal on carrier wave is authorized, does not need to send the signal for being used for channel quality measurement in unauthorized resource,
Avoid the interference in unauthorized resource.However if the authorization carrier wave and the unauthorized resource of L group（In whole or
The unauthorized resource in person part）Difference on frequency domain position is bigger, large-scale fading on the first resource and L group is non-awards
Weigh resource（In all or part of unauthorized resource）The difference of large-scale fading may be larger.
As another embodiment, first resource is deployed in unauthorized carrier wave, and the frequency domain position of first resource is carried by authorization
Downlink signaling configuration on wave.
As another embodiment, first resource is one group in the unauthorized resource of L group, the frequency domain position of first resource
It sets by the downlink signaling configuration on authorization carrier wave.
In above-mentioned two embodiment, first resource is deployed in unauthorized carrier wave, the unauthorized money of L group described in distance on frequency domain
Source can be closer, to have similar large-scale fading.However in above-mentioned two embodiment, base station will be in unauthorized carrier wave
It is upper periodically to send characteristic signal.
Specifically, according to an aspect of the present invention, which is characterized in that further include following steps：
D. it sends the first signaling and indicates at least one：
Whether each single item in the channel quality of the unauthorized resource of L group is more than first threshold
The index of channel resource corresponding to maximum one in the channel quality of the unauthorized resource of L group
Maximum one in the channel quality of the unauthorized resource of L group
The channel quality of the unauthorized resource of L group
First signaling is physical layer signaling either high-level signaling.As one embodiment, the first signaling is in authorization carrier wave
Upper transmission.
As one embodiment, first threshold is configured by the high-level signaling on authorization carrier wave.As another reality
Example is applied, first threshold is to be pre-configured, according to the center frequency point of the center frequency point of the unauthorized resource and the characteristic signal
Between frequency difference determine.
Specifically, above-mentioned aspect according to the present invention, which is characterized in that further include following steps：
E. it receives third signaling and determines following one：
The scheduling information of the unauthorized resource of target
The On/off state of the unauthorized resource of target
F. the operation in the unauthorized resource of the target is executed according to third signaling.
As one embodiment, the scheduling information is dynamic control instructions（DCI-Dynamic Control
Indicator）.
As one embodiment, third signaling is the high-level signaling authorized on carrier wave.
As one embodiment, the step E is：Receive the On/off shape that third signaling determines the unauthorized resource of target
State；The step F is：If the On/off state is On state, downlink signal is received in the unauthorized resource of the target,
If the working condition is Off state, stop receiving downlink signal, the downlink signal in the unauthorized resource of the target
Including control signaling and data.
As another embodiment, the step E is：Receive the scheduling letter that third signaling determines the unauthorized resource of target
Breath；The step F is：Downlink signal, the downlink letter are received in the unauthorized resource of the target according to the scheduling information
It number is data.
Specifically, according to an aspect of the present invention, which is characterized in that further include following steps before the step B：
B0. it receives the second signaling and obtains at least following of unauthorized resource described in each group in the unauthorized resource of L group
One of information：
Index
Frequency domain position
Time-domain position
Wherein, the second signaling is high-level signaling.As one embodiment, the second signaling receives on authorization carrier wave.
Specifically, according to an aspect of the present invention, which is characterized in that the characteristic signal includes at least one of：
The cell reference signals of one or more port（CRS-Cell Reference Signal）
The channel status of one or more port indicates reference signal（CSI-RS：Channel Status
Indicator Reference Signal）.
As one embodiment, the characteristic signal is the CRS of port 0, and above-mentioned S is Reference Signal Received Power（RSRP-
Reference Signal Reception Power）.
The characteristic signal is it is also possible that other signals newly defined, such as the discovery signal that 3GPP was once discussed
（DS-Discovery Signal）, the DS is with longer transmission interval（Such as a few tens of milliseconds or several hundred milliseconds）.
Specifically, according to an aspect of the present invention, which is characterized in that any two groups in the unauthorized resource of L group
The frequency domain position of unauthorized resource is not exactly the same.
As one embodiment, the unauthorized resource of L group is wireless local area（Wifi）In the L channel of 2.4GHz
（I.e. frequency-portions are overlapped）.
As another embodiment, the unauthorized resource of L group is mutual nonoverlapping L unlicensed spectrum.
Specifically, above-mentioned aspect according to the present invention, which is characterized in that the time domain length of the unauthorized resource is one
Subframe.
Specifically, according to an aspect of the present invention, which is characterized in that the L is 1.
The invention discloses a kind of methods in base station, wherein includes the following steps：
A. characteristic signal is sent on first resource
B. it receives the first signaling and obtains at least one：
- L organizes whether each single item in the channel quality of unauthorized resource is more than first threshold
The index of channel resource corresponding to maximum one in the channel quality of the unauthorized resource of L group
Maximum one in the channel quality of the unauthorized resource of L group
The channel quality of the unauthorized resource of L group
Wherein, first threshold is configurable either pre-configuration；L group is unauthorized in the unauthorized resource of L group
The channel quality Q of resourcelIt is according to the characteristic signal and PlDetermining, the L is positive integer, and the l is 1 to the L just
Integer, the PlIt is the reception power that the sender of the first signaling detects in the unauthorized resource of l group.First resource
The unauthorized resource of L group is not covered on frequency domain, the unauthorized resource deployment is in unauthorized carrier wave.
Specifically, according to an aspect of the present invention, which is characterized in that further include following steps：
E. it sends third signaling and indicates following one：
The scheduling information of the unauthorized resource of target
The On/off state of the unauthorized resource of target
F. the operation in the unauthorized resource of the target is executed according to third signaling.
As one embodiment, the step E is：Send the On/off shape of the third signaling instruction unauthorized resource of target
State；The step F is：If the On/off state is On state, downlink signal is sent in the unauthorized resource of the target,
If the working condition is Off state, stop sending downlink signal, the downlink signal in the unauthorized resource of the target
Including control signaling and data.
As another embodiment, the step E is：Send the scheduling letter of the third signaling instruction unauthorized resource of target
Breath；The step F is：Downlink signal, the downlink letter are sent in the unauthorized resource of the target according to the scheduling information
It number is data.
Specifically, according to an aspect of the present invention, which is characterized in that further include following steps before the step B：
B0. it sends the second signaling and indicates at least following of unauthorized resource described in each group in the unauthorized resource of L group
One of information：
Index
Frequency domain position
Time-domain position
Wherein, the second signaling is high-level signaling.
As one embodiment, first resource is deployed in authorization carrier wave.
As one embodiment, first resource is deployed in unauthorized carrier wave, and the frequency domain position of first resource is by authorization carrier wave
On downlink signaling configuration.
As another embodiment, first resource is one group in the unauthorized resource of L group, the frequency domain position of first resource
It sets by the downlink signaling configuration on authorization carrier wave.
Specifically, according to an aspect of the present invention, which is characterized in that the QlIt is following one：
- the S and PlRatio
The sender of-the first signaling assumes that the characteristic signal is useful signal and the PlThe power of Gaussian noise and
Determining CQI
Wherein, the S is the linear average of the reception power on RE occupied by the characteristic signal, the PlIt is linear
Value, the l are 1 positive integers for arriving the L.
Specifically, according to an aspect of the present invention, which is characterized in that the characteristic signal includes at least one of：
The CRS of one or more port
The CSI-RS of one or more port
The characteristic signal is it is also possible that other signals newly defined, such as the discovery signal that 3GPP was once discussed
（DS-Discovery Signal）, the DS is with longer transmission interval（Such as a few tens of milliseconds or several hundred milliseconds）.
Specifically, according to an aspect of the present invention, which is characterized in that the first signaling is physical layer signaling.
Specifically, according to an aspect of the present invention, which is characterized in that any two groups in the unauthorized resource of L group
The frequency domain position of unauthorized resource is not exactly the same.
Specifically, above-mentioned aspect according to the present invention, which is characterized in that the time domain length of the unauthorized resource is one
Subframe.
Specifically, according to an aspect of the present invention, which is characterized in that the L is 1.
The invention discloses a kind of user equipmenies, which is characterized in that the equipment includes：
First module：For detecting characteristic signal on first resource
Second module：Extremely for unauthorized resource described in each group in reception the second signaling acquisition unauthorized resource of L group
One of few following information：
Index
Frequency domain position
Time-domain position
Third module：For detecting to receive power in the unauthorized resource of L group, wherein the unauthorized resource of l group
Reception power be Pl
4th module：For determining the channel quality of the unauthorized resource of L group, wherein the letter of the unauthorized resource of l group
Road quality QlIt is according to the characteristic signal and the PlDetermining
5th module：At least one is indicated for sending the first signaling：
Whether each single item in the channel quality of the unauthorized resource of L group is more than first threshold
The index of channel resource corresponding to maximum one in the channel quality of the unauthorized resource of L group
Maximum one in the channel quality of the unauthorized resource of L group
The channel quality of the unauthorized resource of L group
Wherein, the L is positive integer, and the l is 1 positive integer for arriving the L, and first resource does not cover described on frequency domain
The unauthorized resource of L group, in unauthorized carrier wave, first threshold, which is configurable, to be either pre-configured for the unauthorized resource deployment
's.
The invention discloses a kind of base station equipments, which is characterized in that the equipment includes：
A kind of base station equipment, which is characterized in that the equipment includes：
First module：For sending characteristic signal on first resource
Second module：Indicate that unauthorized resource described in each group is extremely in the unauthorized resource of L group for sending the second signaling
One of few following information：
Index
Frequency domain position
Time-domain position
Third module：At least one is obtained for receiving the first signaling：
Whether each single item in the channel quality of the unauthorized resource of L group is more than first threshold
The index of channel resource corresponding to maximum one in the channel quality of the unauthorized resource of L group
Maximum one in the channel quality of the unauthorized resource of L group
The channel quality of the unauthorized resource of L group
Wherein, first threshold is configurable either pre-configuration；L group is unauthorized in the unauthorized resource of L group
The channel quality Q of resourcelIt is according to the characteristic signal and PlDetermining, the L is positive integer, and the l is 1 to the L just
Integer, the PlIt is the reception power that the sender of the first signaling detects in the unauthorized resource of l group.First resource
The unauthorized resource of L group is not covered on frequency domain, in unauthorized carrier wave, the second signaling is high-rise for the unauthorized resource deployment
Signaling.
The present invention solves the problems, such as the acquisition of the channel quality in unlicensed spectrum, and UE believes according to the feature on authorization frequency spectrum
Number and unlicensed spectrum on reception power determine the channel quality in unlicensed spectrum, and the channel quality is reported to base
It stands and is sent with the signal that assistant base station determines whether to start in the unlicensed spectrum.The present invention does not need to send out in unauthorized carrier wave
It send downlink signal i.e. and can measure accurate channel quality, reduce the interference in unlicensed spectrum, while the present invention is suitable for
Unlicensed spectrum is idle frequency spectrum, heterogeneous network frequency spectrum, the various scenes such as homogenous networks frequency spectrum.
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 schematic diagram of the channel quality of the unauthorized resource of determination according to an embodiment of the invention；
Fig. 2 shows the schematic diagrames of the channel quality according to an embodiment of the invention for reporting unauthorized resource；
Fig. 3 shows the schematic diagram according to an embodiment of the invention being scheduled to unauthorized resource；
Fig. 4 shows the signal of the frequency domain position of first resource according to an embodiment of the invention and unauthorized resource
Figure；
Fig. 5 shows the schematic diagram of the time-domain position of unauthorized resource according to an embodiment of the invention；
Fig. 6 shows the structural block diagram of the processing unit in UE according to an embodiment of the invention；
Fig. 7 shows the structural block diagram of the processing unit in 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 schematic diagram for determining the channel quality of unauthorized resource, as shown in Fig. 1.In attached drawing 1, base
The N1 that stands is the serving BS of UE U2.
ForBase station N1, in step s 11, characteristic signal is sent on first resource；In step s 12, second is sent
Signaling indicates the configuration information of the unauthorized resource of L group.
ForUE U2, in the step s 21, characteristic signal is detected on first resource；In step S22, the second letter is received
Enable the configuration information for obtaining the unauthorized resource of L group；In step S23, detect to receive function in the unauthorized resource of L group
Rate, wherein the reception power of the unauthorized resource of l group is Pl；In step s 24, the channel of the unauthorized resource of L group is determined
Quality, wherein the channel quality Q of the unauthorized resource of l grouplIt is according to the characteristic signal and the PlDetermining.
In embodiment 1, the L is positive integer, and the l is 1 positive integer for arriving the L, and first resource does not cover on frequency domain
The unauthorized resource of L group is covered, in unauthorized carrier wave, the second signaling is high-level signaling, the first threshold for the unauthorized resource deployment
Value is configurable either pre-configuration, includes that the L group is unauthorized in the configuration information of the unauthorized resource of L group
One of at least following information of unauthorized resource described in each group in resource：
Index
Frequency domain position
Time-domain position.
In embodiment 1, the QlIt is following one：
- the S and PlRatio
Assume that the characteristic signal is useful signal and the PlIt is the CQI of the power of Gaussian noise and determination.Wherein,
The S is the linear average of the reception power on RE occupied by the characteristic signal, the PlIt is linear value.
Embodiment 2
Embodiment 2 illustrates the schematic diagram for reporting the channel quality of unauthorized resource, as shown in Fig. 2.In attached drawing 2, base
The N3 that stands is the serving BS of UE U4.
ForUE U4, in step S41, send the first signaling indication channel quality related information.
ForBase station N3, in step S31, receive the first signaling and obtain channel quality relevant information.In embodiment 2, institute
Stating channel quality relevant information includes at least one：
Whether the channel quality of the unauthorized resource of -1 group is more than first threshold
The channel quality of 1 group of unauthorized resource
Wherein, first threshold is configurable either pre-configuration；The channel quality Q of 1 group of unauthorized resource1It is
According to the characteristic signal and P1Determining, the P1It is that the sender of the first signaling detects in 1 group of unauthorized resource
Reception power.First resource does not cover 1 group of unauthorized resource on frequency domain, and the unauthorized resource deployment is in unauthorized
Carrier wave.First resource is deployed in authorization carrier wave, and the first signaling is physical layer signaling either top signaling.
Embodiment 3
Embodiment 3 illustrates the schematic diagram being scheduled to unauthorized resource, as shown in Fig. 3.In attached drawing 3, base station N5
It is the serving BS of UE U6.
ForBase station N5, in step s 51, send third signaling and indicate following one：
The scheduling information of the unauthorized resource of target
The On/off state of the unauthorized resource of target
In step S52, the operation in the unauthorized resource of the target is executed according to third signaling, i.e.,：If third
Signaling indicate the unauthorized resource of target On/off state and if the On/off state is On state, base station N5 is in the mesh
It marks and sends downlink signal in unauthorized resource；If third signaling indicates the On/off state of the unauthorized resource of target and if institute
Stating On/off state is Off state, stops sending downlink signal in the unauthorized resource of the target, the downlink signal includes
Control signaling and data；If third signaling indicates the scheduling information of the unauthorized resource of target, base station N5 believes according to the scheduling
Breath sends downlink signal in the unauthorized resource of the target, and the downlink signal is data.
ForUE U6, in step S61, receive third signaling and obtain at least one of：
The scheduling information of the unauthorized resource of target
The On/off state of the unauthorized resource of target
In step S62, the operation in the unauthorized resource of the target is executed according to third signaling, i.e.,：If third
Signaling indicate the unauthorized resource of target On/off state and if the On/off state is On state, UE U6 is in the mesh
It marks and receives downlink signal in unauthorized resource；If third signaling indicates the On/off state of the unauthorized resource of target and if institute
Stating On/off state is Off state, and UE U6 stops receiving downlink signal, the downlink letter in the unauthorized resource of the target
Number include control signaling and data；If third signaling indicates the scheduling information of the unauthorized resource of target, UE U6 is according to the tune
Degree information receives downlink signal in the unauthorized resource of the target, and the downlink signal is data.
Dotted arrow in attached drawing 3 indicates that the downlink signal may not occur, i.e., the described On/off state is Off state
When.
Embodiment 4
Embodiment 4 illustrates the schematic diagram of the frequency domain position of first resource and unauthorized resource, as shown in Fig. 4.Attached drawing 4
Illustrate 4 groups of unauthorized resources（R1~R4）Frequency domain position and first resource position（R0_1 or R0_2）, unauthorized money
The frequency domain position of any two groups of unauthorized resources is not exactly the same in the R1~R4 of source, wherein unauthorized resource R1 and unauthorized resource
R2 has a partial frequency spectrum overlapping, other in the frequency spectrum and 4 groups of unauthorized resources of unauthorized resource R3 and unauthorized resource R4
Unauthorized resource does not overlap.R1~the R4 is deployed in unauthorized carrier wave.
As a sub- embodiment of embodiment 4, the first frequency spectrum is deployed in authorization carrier wave, as shown in R0_1, as implementation
Another sub- embodiment of example 4, the first frequency spectrum is deployed in unauthorized carrier wave, as shown in R0_2.
Embodiment 5
Embodiment 5 illustrates the schematic diagram of the time-domain position of unauthorized resource, as shown in Fig. 5.It is one small in attached drawing 5
Grid indicates a subframe, and oblique line lattice indicates the subframe where unauthorized resource, and backslash lattice indicates the first signaling
Transmitting-receiving subframe.
For UE, characteristic signal is detected on first resource first；Then it detects to receive function in the unauthorized resource of L group
Rate, wherein the reception power of the unauthorized resource of l group is Pl；Then the channel quality of the unauthorized resource of L group is determined, wherein
The channel quality Q of the unauthorized resource of l grouplIt is according to the characteristic signal and the PlDetermining；Then the first signaling is sent to refer to
Show whether each single item in the channel quality of the unauthorized resource of L group is more than first threshold；
For base station, characteristic signal is sent on first resource first；Then it receives the first signaling and obtains the L group
Whether each single item in the channel quality of unauthorized resource is more than first threshold.
In embodiment 5, the L is positive integer, and the l is 1 positive integer for arriving the L, and first resource does not cover on frequency domain
The unauthorized resource of L group is covered, in unauthorized carrier wave, first threshold is configurable either pre- for the unauthorized resource deployment
Configuration.The unauthorized resource of L group is in identical subframe in the time domain, and persistence length is 1 subframe, and the first signaling is
Physical layer signaling receives and dispatches 4th subframe of the subframe after subframe where the unauthorized resource of L group.The characteristic signal packet
Include at least one of：
The CRS of one or more port
The CSI-RS of one or more port.
As a sub- embodiment of embodiment 5, the operation that embodiment 5 describes periodically is sent in the time domain.
Embodiment 6
The structural block diagram for the processing unit in UE that embodiment 6 illustrates, as shown in Fig. 6.In attached drawing 6, UE processing dress
200 are set by receiving module 201, receiving module 202, receiving module 203, determining module 204, the composition of sending module 205.
Receiving module 201 on first resource for detecting characteristic signal
Receiving module 202 is used to receive the second signaling and obtains unauthorized resource described in each group in the unauthorized resource of L group
One of at least following information：
Index
Frequency domain position
Time-domain position
Receiving module 203 receives power for detecting in the unauthorized resource of L group, wherein the unauthorized money of l group
The reception power in source is Pl
Determining module 204 is used to determine the channel quality of the unauthorized resource of L group, wherein the unauthorized resource of l group
Channel quality QlIt is according to the characteristic signal and the PlDetermining
Sending module 205 indicates at least one for sending the first signaling：
Whether each single item in the channel quality of the unauthorized resource of L group is more than first threshold
The index of channel resource corresponding to maximum one in the channel quality of the unauthorized resource of L group
Maximum one in the channel quality of the unauthorized resource of L group
The channel quality of the unauthorized resource of L group
Wherein, the L is positive integer, and the l is 1 positive integer for arriving the L, and first resource does not cover described on frequency domain
The unauthorized resource of L group, in unauthorized carrier wave, first threshold, which is configurable, to be either pre-configured for the unauthorized resource deployment
's.First signaling is physical layer signaling.
As a sub- embodiment of embodiment 6, the L is 1.
Embodiment 7
Embodiment 7 illustrates the structural block diagram of the processing unit in a base station, as shown in Fig. 7.In attached drawing 7, base station
Processing unit 300 is made of sending module 301, sending module 302, receiving module 303.
Sending module 301 on first resource for sending characteristic signal；Sending module 302 refers to for sending the second signaling
Show one of at least following information of unauthorized resource described in each group in the unauthorized resource of L group：
Index
Frequency domain position
Time-domain position
Receiving module 303 obtains at least one for receiving the first signaling：
Whether each single item in the channel quality of the unauthorized resource of L group is more than first threshold
The index of channel resource corresponding to maximum one in the channel quality of the unauthorized resource of L group
Maximum one in the channel quality of the unauthorized resource of L group
The channel quality of the unauthorized resource of L group
Wherein, first threshold is configurable either pre-configuration；L group is unauthorized in the unauthorized resource of L group
The channel quality Q of resourcelIt is according to the characteristic signal and PlDetermining, the L is positive integer, and the l is 1 to the L just
Integer, the PlIt is the reception power that the sender of the first signaling detects in the unauthorized resource of l group.First resource
The unauthorized resource of L group is not covered on frequency domain, in unauthorized carrier wave, the second signaling is high-rise for the unauthorized resource deployment
Signaling.First signaling is high-level signaling.
As a sub- embodiment of embodiment 7, the L is 1.
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 (25)
1. a kind of method in UE, wherein include the following steps：
A. characteristic signal is detected on first resource
B. it detects to receive power in the unauthorized resource of L group, wherein the reception power of the unauthorized resource of l group is Pl
C. the channel quality for determining the unauthorized resource of L group, wherein the channel quality Q of the unauthorized resource of l grouplIt is according to institute
State characteristic signal and the PlDetermining
Wherein, the frequency domain position of any two groups of unauthorized resources is not exactly the same, and the L is positive integer, and the l is 1 to the L
Positive integer, first resource do not cover the unauthorized resource of L group on frequency domain, and the unauthorized resource deployment is in unauthorized load
Wave.
2. the method according to claim 1, wherein further including following steps：
D. it sends the first signaling and indicates at least one：
Whether each single item in the channel quality of the unauthorized resource of L group is more than first threshold
The index of channel resource corresponding to maximum one in the channel quality of the unauthorized resource of L group
Maximum one in the channel quality of the unauthorized resource of L group
The channel quality of the unauthorized resource of L group
Wherein, first threshold is configurable either pre-configuration.
3. the method according to claim 1, wherein further including following steps before the step B：
B0. at least following information that the second signaling obtains unauthorized resource described in each group in the unauthorized resource of L group is received
One of：
Index
Frequency domain position
Time-domain position
Wherein, the second signaling is high-level signaling.
4. the method according to claim 1, wherein first resource is deployed in authorization carrier wave.
5. the method according to claim 1, wherein first resource is deployed in unauthorized carrier wave, first resource
Frequency domain position is configured by the downlink signaling on authorization carrier wave.
6. the method according to claim 1, wherein the QlIt is following one：
- the S and PlRatio
Assume that the characteristic signal is useful signal and the PlIt is the CQI of the power of Gaussian noise and determination；
Wherein, the S is the linear average of the reception power on RE occupied by the characteristic signal, the PlIt is linear value, institute
Stating l is 1 positive integer for arriving the L.
7. the method according to claim 1, wherein the characteristic signal includes at least one of：
The CRS of one or more port
The CSI-RS of one or more port.
8. according to the method described in claim 2, it is characterized in that, further including following steps：
E. it receives third signaling and determines following one：
The scheduling information of the unauthorized resource of target
The On/off state of the unauthorized resource of target
F. the operation in the unauthorized resource of the target is executed according to third signaling.
9. according to the method described in claim 2, it is characterized in that, the first signaling is physical layer signaling.
10. according to the method described in claim 3, it is characterized in that, any two groups in the unauthorized resource of L group unauthorized
The frequency domain position of resource is not exactly the same.
11. according to the method described in claim 10, it is characterized in that, the time domain length of the unauthorized resource is a son
Frame.
12. according to claim 1,2, method described in 3,6,10 any one, which is characterized in that the L is 1.
13. a kind of method in base station, wherein include the following steps：
A. characteristic signal is sent on first resource
B. it receives the first signaling and obtains at least one：
- L organizes whether each single item in the channel quality of unauthorized resource is more than first threshold
The index of channel resource corresponding to maximum one in the channel quality of the unauthorized resource of L group
Maximum one in the channel quality of the unauthorized resource of L group
The channel quality of the unauthorized resource of L group
Wherein, the frequency domain position of any two groups of unauthorized resources is not exactly the same, and first threshold is configurable either prewired
It sets；The channel quality Q of the unauthorized resource of l group in the unauthorized resource of L grouplIt is according to the characteristic signal and PlIt determines
, the L is positive integer, and the l is 1 positive integer for arriving the L, the PlIt is the sender of the first signaling in the l group
The reception power detected in unauthorized resource, first resource do not cover the unauthorized resource of L group on frequency domain, described non-to award
Resource deployment is weighed in unauthorized carrier wave.
14. according to the method for claim 13, which is characterized in that further include following steps before the step B：
B0. at least following information that the second signaling indicates unauthorized resource described in each group in the unauthorized resource of L group is sent
One of：
Index
Frequency domain position
Time-domain position
Wherein, the second signaling is high-level signaling.
15. according to the method for claim 13, which is characterized in that first resource is deployed in authorization carrier wave.
16. according to the method for claim 13, which is characterized in that first resource is deployed in unauthorized carrier wave, first resource
Frequency domain position by authorization carrier wave downlink signaling configure.
17. according to the method for claim 13, which is characterized in that the QlIt is following one：
- the S and PlRatio
The sender of-the first signaling assumes that the characteristic signal is useful signal and the PlIt is the power of Gaussian noise and determines
CQI；
Wherein, the S is the linear average of the reception power on RE occupied by the characteristic signal, the PlIt is linear value, institute
Stating l is 1 positive integer for arriving the L.
18. according to the method for claim 13, which is characterized in that the characteristic signal includes at least one of：
The CRS of one or more port
The CSI-RS of one or more port.
19. according to the method for claim 13, which is characterized in that further include following steps：
E. it sends third signaling and indicates following one：
The scheduling information of the unauthorized resource of target
The On/off state of the unauthorized resource of target
F. the operation in the unauthorized resource of the target is executed according to third signaling.
20. according to the method for claim 13, which is characterized in that the first signaling is physical layer signaling.
21. according to the method for claim 14, which is characterized in that any two groups in the unauthorized resource of L group non-to award
The frequency domain position for weighing resource is not exactly the same.
22. according to the method for claim 21, which is characterized in that the time domain length of the unauthorized resource is a son
Frame.
23. method described in 3,14,17,21 any one according to claim 1, which is characterized in that the L is 1.
24. a kind of user equipment, which is characterized in that the equipment includes：
First module：For detecting characteristic signal on first resource
Second module：For receive the second signaling obtain unauthorized resource described in each group in the unauthorized resource of L group at least with
One of lower information：
Index
Frequency domain position
Time-domain position
Third module：For detecting to receive power in the unauthorized resource of L group, wherein the unauthorized resource of l group connects
Receiving power is Pl
4th module：For determining the channel quality of the unauthorized resource of L group, wherein the channel matter of the unauthorized resource of l group
Measure QlIt is according to the characteristic signal and the PlDetermining
5th module：At least one is indicated for sending the first signaling：
Whether each single item in the channel quality of the unauthorized resource of L group is more than first threshold
The index of channel resource corresponding to maximum one in the channel quality of the unauthorized resource of L group
Maximum one in the channel quality of the unauthorized resource of L group
The channel quality of the unauthorized resource of L group
Wherein, the frequency domain position of any two groups of unauthorized resources is not exactly the same, and the L is positive integer, and the l is 1 to the L
Positive integer, first resource do not cover the unauthorized resource of L group on frequency domain, and the unauthorized resource deployment is in unauthorized load
Wave, first threshold are configurable either pre-configuration.
25. a kind of base station equipment, which is characterized in that the equipment includes：
First module：For sending characteristic signal on first resource
Second module：For send unauthorized resource described in each group in the second signaling instruction unauthorized resource of L group at least with
One of lower information：
Index
Frequency domain position
Time-domain position
Third module：At least one is obtained for receiving the first signaling：
Whether each single item in the channel quality of the unauthorized resource of L group is more than first threshold
The index of channel resource corresponding to maximum one in the channel quality of the unauthorized resource of L group
Maximum one in the channel quality of the unauthorized resource of L group
The channel quality of the unauthorized resource of L group
Wherein, the frequency domain position of any two groups of unauthorized resources is not exactly the same, and first threshold is configurable either prewired
It sets；The channel quality Q of the unauthorized resource of l group in the unauthorized resource of L grouplIt is according to the characteristic signal and PlIt determines
, the L is positive integer, and the l is 1 positive integer for arriving the L, the PlIt is the sender of the first signaling in the l group
The reception power detected in unauthorized resource, first resource do not cover the unauthorized resource of L group on frequency domain, described non-to award
Resource deployment is weighed in unauthorized carrier wave, the second signaling is high-level signaling.
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| CN106470442A (en) * | 2015-08-14 | 2017-03-01 | 中兴通讯股份有限公司 | Unauthorized carrier wave measuring method, device and user equipment |
| CN105101439B (en) * | 2015-08-28 | 2018-09-14 | 宇龙计算机通信科技(深圳)有限公司 | A kind of method and terminal of transmission |
| US9974089B2 (en) * | 2015-09-29 | 2018-05-15 | Huawei Technologies Co., Ltd. | Methods and systems for selection of channels for unlicensed wireless communications |
| CN105337715B (en) * | 2015-09-30 | 2018-11-06 | 宇龙计算机通信科技(深圳)有限公司 | It is a kind of based on the carrier wave measurement method of unauthorized frequency range and base station |
| WO2017059583A1 (en) * | 2015-10-09 | 2017-04-13 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for data transmission |
| JP6603958B2 (en) | 2015-10-23 | 2019-11-13 | オッポ広東移動通信有限公司 | Method and apparatus for selecting residence cell |
| WO2017070907A1 (en) * | 2015-10-29 | 2017-05-04 | 华为技术有限公司 | State notification method and device |
| CN106686733B (en) * | 2015-11-06 | 2021-12-14 | 中兴通讯股份有限公司 | Signal processing method and base station |
| CN108370564B (en) * | 2016-02-04 | 2023-03-31 | Oppo广东移动通信有限公司 | Method and apparatus for transmitting uplink information on unlicensed carrier |
| CN107959557B (en) * | 2016-10-15 | 2020-01-03 | 上海朗帛通信技术有限公司 | Method and equipment in UE (user equipment) supporting multi-carrier communication and base station |
| CN111148263B (en) * | 2017-05-05 | 2021-04-09 | 华为技术有限公司 | Method and device for transmitting data |
| CN111264086B (en) * | 2017-12-19 | 2021-05-28 | 上海朗帛通信技术有限公司 | Method and device used in user equipment and base station for wireless communication |
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