CN104837140B - A kind of communication means and device in unlicensed spectrum - Google Patents
A kind of communication means and device in unlicensed spectrum Download PDFInfo
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- CN104837140B CN104837140B CN201410045986.4A CN201410045986A CN104837140B CN 104837140 B CN104837140 B CN 104837140B CN 201410045986 A CN201410045986 A CN 201410045986A CN 104837140 B CN104837140 B CN 104837140B
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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
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0053—Allocation of signalling, i.e. of overhead other than pilot signals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
- H04W72/542—Allocation or scheduling criteria for wireless resources based on quality criteria using measured or perceived quality
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- Computer Networks & Wireless Communication (AREA)
- Quality & Reliability (AREA)
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Abstract
The communication means and device that the invention discloses a kind of in unlicensed spectrum.For this problem of the inter-cell interference in unlicensed spectrum, eat dishes without rice or wine the method that signal realizes minizone collaboration the present invention provides a kind of utilization.As one embodiment, cell indicates the first performance number by sending broadcast signaling in unlicensed spectrum, first performance number is the RSRP for measuring reference signals of the MPS process edge, neighboring community determines whether to work in the unlicensed spectrum by monitoring the first performance number, if can work, the transmission power and coverage area in the unlicensed spectrum are further determined using the first performance number.The present invention can ensure that cell of the work in unlicensed spectrum is the best cell of received signal quality of its UE serviced, realize the function of cell selection in similar traditional LTE network.
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 the communication plan of the utilization unlicensed spectrum (Unlicensed Spectrum) of (LTE-Long Term Evolution).
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 (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 the carrier wave polymerization (CA-Carrier reused in existing system as far as possible
Aggregation concept) is deployed in the serving cell on authorization frequency spectrum as main carrier (PCC-Primary
Component Carrier), the serving cell in unlicensed spectrum is deployed in as secondary carrier (SCC-Secondary
Component Carrier).
It is compared with the LTE communication on traditional authorization frequency spectrum, the LTE framework in unlicensed spectrum is faced with bigger do
Disturb problem: for the former, work identical frequency multiple cells by the same operator deployment, therefore can using collaboration
Method mitigates the influence of interference, such as multi-point cooperative (CoMP-Coordinate Multiple Points), the minizone of enhancing
Technologies such as (eICIC-enhanced Inter-Cell Interference Cancellation) are eliminated in interference；For the latter,
Work may be difficult to adopt the technology of similar CoMP and eICIC by different operator deployments in multiple cells of identical frequency.
In view of the above-mentioned problems, the communication plan that the invention discloses a kind of in unlicensed spectrum.
Summary of the invention
The invention discloses a kind of methods in base station, wherein includes the following steps:
A. the first measuring reference signals are sent on first carrier
B. the first signaling is sent on the first physical resource of first carrier indicates the first performance number
Wherein, first carrier is deployed in unlicensed spectrum, and the first performance number is decibel value either linear value, the first signaling
It is broadcast signaling.
The broadcast signaling i.e. discord special user equipment (UE-User Equipment) identification number (RNTI-Radio
Network Temporary Identifier) binding signaling.As one embodiment, the unit of the first performance number is milli point
Shellfish (dBm), as another embodiment, the unit of the first performance number is watt (W).As one embodiment, first carrier is
It is predefined for commanding width.
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 uplink signaling and obtains the Reference Signal Received Power (RSRP- for being directed to the first measuring reference signals
Reference Signal Reception Power)
Wherein, the first performance number is not higher than the RSRP.
The RSRP is the reception in the resource particle (RE-Resource Element) that the first measuring reference signals occupy
The linear averaging of power, unit are watt (W).If the unit of the first performance number is decibel value, the RSRP and the first power
Value is compared after being converted into identical unit.As one embodiment, the uplink signaling is to receive on a second carrier
It arrives, the second carrier wave is deployed in authorization frequency spectrum.
As one embodiment, the first performance number is equal to the RSRP.
As one embodiment, the uplink signaling is the transmission cell by the first measuring reference signals on first carrier
Transmitted by UE in the UE of scheduling with worst transmission quality.The essence of the embodiment is: if the first measuring reference signals
Transmission cell multiple UE are dispatched on first carrier, the RSRP is the minimum value in the RSRP that the multiple UE is reported.
Specifically, according to an aspect of the present invention, which is characterized in that the first signaling also indicates at least one of:
Operator identifier belonging to the transmission cell of-the first measuring reference signals
The system bandwidth of first carrier.
As one embodiment, the system bandwidth includes the lower carrier frequency and upper carrier frequency of first carrier.
As another embodiment, the system bandwidth includes bandwidth (e.g. 48 PRB or 1.25 of first carrier
Megahertz), frequency domain position locating for the first physical resource identifies center carrier frequence (such as the first physical resource of first carrier
Center carrier frequence is the center carrier frequence of first carrier).
As one embodiment, the operator identifier is public land mobile network mark (PLMN Id-Public
Land Mobile Network Identifier) Mobile Network Code (MNC-Mobile Network either in PLMN Id
Code).
Specifically, according to an aspect of the present invention, which is characterized in that the first signaling includes at least one of:
- ZC(Zadoff-Chu) sequence
Pseudo-random sequence
Block of information.
As one embodiment, the first signaling includes the system bandwidth of block of information instruction the first power and first carrier.Make
For another embodiment, the first signaling includes ZC sequence, pseudo-random sequence and block of information the first power of instruction and first carrier
PLMN belonging to the transmission cell of system bandwidth and the first measuring reference signals.
Specifically, above-mentioned aspect according to the present invention, which is characterized in that the physical resource is by M group running time-frequency resource structure
At resource pool in one group described in running time-frequency resource, the position of the M group running time-frequency resource is pre-determining, and M is positive integer.
Specifically, above-mentioned aspect according to the present invention, which is characterized in that the first measuring reference signals are distributed in first carrier
All Physical Resource Block (PRB-Physical Resource Block) on (Pair)；First measuring reference signals are one
The time-frequency location in each PRB pair in a subframe is identical；First measuring reference signals inside a PRB pair when
Frequency position is following one:
The channel status of-L ports indicates (CSI-Channel Status Indicator) reference signal (CSI-RS)
Time-frequency location
The time-frequency location of the cell reference signals (CRS-Cell Reference Signal) of-L ports
Wherein, L is 1 or 2.
The invention discloses a kind of methods in base station, wherein includes the following steps:
A. K group measuring reference signals are received on first carrier, wherein kth group measuring reference signals Sk
B. K group signaling is received on the K group physical resource of first carrier and obtain K group performance number respectively, wherein in kth group object
Manage resource RkUpper reception kth group signaling CkObtain kth group performance number Pk
Wherein, first carrier is deployed in unlicensed spectrum, and the performance number is decibel value either linear value, the signaling
It is broadcast signaling, k is the integer from 1 to K, and K is positive integer.
Specifically, according to an aspect of the present invention, which is characterized in that further include following steps:
C. determined whether according to the RSRP of at least one set of measuring reference signals and the corresponding performance number auxiliary
It works on first carrier.
The work means to send physical signal, or sends physical signal and receive ascending physical signal signal simultaneously.
As one embodiment, if all met for all k:
It is in the measuring reference signals SkTransmission cell overlay area outside, i.e. Yk≤Pk, YkIt is that the base station connects
The measuring reference signals S receivedkRSRP.
Then judgement can work on first carrier, and otherwise judgement cannot work on first carrier.
Specifically, above-mentioned aspect according to the present invention, which is characterized in that if it is determined that working on first carrier, also wrap
Include following steps:
D. it is assisted according to the RSRP of at least one set measuring reference signals and the corresponding performance number true
It is fixed:
Every RE energy (EPRE-Energy Per RE) of the second measuring reference signals of transmission on first carrier
The second performance number of broadcast signaling instruction is sent on first carrier.
As another embodiment, if for operator affiliated in the transmission cell of the K group measuring reference signals
Mark meets k corresponding to the transmission cell of predefined list and all meets:
-Yk≤Pk, and
-T+Yk≤2Pk, and
-T+Yk≤P+Pk
Then judgement can work on first carrier, and otherwise judgement cannot work on first carrier, wherein T, Yk, P points
It is not every RE energy (EPRE-Ener of (it is expected that) second measuring reference signalsgyPer RE), the institute that the base station receives
State measuring reference signals SkRSRP, and (it is expected that) second performance number.Above-mentioned condition is substantially to ensure that the second measurement refers to
The transmission cell of signal reaches the measuring reference signals SkTransmission cell boundary signal power be no more than the Pk,
Ensure that UE has access to the strongest cell of signal.
Transmission power of the transmission cell of the measuring reference signals on the RE that the measuring reference signals occupy can
It is considered that constant-transmission power wherein on each RE is the EPRE by UE and neighboring community.Second performance number is
Counterpart of above-mentioned first performance number in the transmission cell of the second measuring reference signals.
Specifically, according to an aspect of the present invention, which is characterized in that the signaling CkAlso indicate at least one of:
The measuring reference signals SkTransmission cell belonging to operator identifier
The measuring reference signals SkTransmission cell system bandwidth Fk, the system bandwidth FkIt is with first carrier
The wide all or part of overlapping of regiment commander.
If the system bandwidth FkIt is all overlapped with the system bandwidth of first carrier, the measuring reference signals SkHair
The operating carriers for sending cell are first carrier.
Specifically, according to an aspect of the present invention, which is characterized in that the signaling includes at least one of:
- ZC sequence
Pseudo-random sequence
Block of information.
Specifically, above-mentioned aspect according to the present invention, which is characterized in that the physical resource is by M group running time-frequency resource structure
At resource pool in one group described in running time-frequency resource, the position of the M group running time-frequency resource is pre-determining, and M is positive integer.
Specifically, above-mentioned aspect according to the present invention, which is characterized in that the measuring reference signals are distributed in first carrier
All PRB pairs on；Time-frequency location of the measuring reference signals in each PRB pair in a subframe is identical；
Time-frequency location of the measuring reference signals inside a PRB pair is following one:
The time-frequency location of the CSI-RS of-L ports
The time-frequency location of the CRS of-L ports
Wherein, L is 1 or 2.
The invention discloses a kind of methods in UE, wherein includes the following steps:
A. the first measuring reference signals are received on first carrier
B. the RSRP that the instruction of uplink signaling is directed to the first measuring reference signals is sent
Wherein, first carrier is deployed in unlicensed spectrum, and the uplink signaling is sent on a second carrier, and second carries
Wave is deployed in authorization frequency spectrum.
The invention discloses a kind of base station equipments, which is characterized in that the equipment includes:
First module: for sending the first measuring reference signals on first carrier
Second module: the RSRP for being directed to the first measuring reference signals for receiving the acquisition of uplink signaling
Third module: the first performance number is indicated for sending the first signaling on the first physical resource of first carrier
Wherein, first carrier is deployed in unlicensed spectrum, and the first performance number is decibel value either linear value, the first signaling
It is broadcast signaling, the first performance number is not higher than the RSRP.
As one embodiment, the first signaling also indicates at least one of:
Operator identifier belonging to the transmission cell of-the first measuring reference signals
The system bandwidth of first carrier.
The invention discloses a kind of base station equipments, which is characterized in that the equipment includes:
First module: it is used to receive K group measuring reference signals on first carrier, wherein kth group measuring reference signals Sk
Second module: obtaining K group performance number for receiving K group signaling on the K group physical resource of first carrier respectively,
In in kth group physical resource RkUpper reception kth group signaling CkObtain kth group performance number Pk
Third module: for being assisted according to the RSRP and the corresponding performance number of at least one set of measuring reference signals
Determine whether to work on first carrier.
Wherein, first carrier is deployed in unlicensed spectrum, and the performance number is decibel value either linear value, the signaling
It is broadcast signaling, k is the integer from 1 to K, and K is positive integer.
As one embodiment, above-mentioned signaling CkAlso indicate at least one of:
The measuring reference signals SkTransmission cell belonging to operator identifier
The measuring reference signals SkTransmission cell system bandwidth Fk, the system bandwidth FkIt is with first carrier
The wide all or part of overlapping of regiment commander.
As one embodiment, above equipment further include:
4th module: for the RSRP and the corresponding function according at least one set measuring reference signals
Rate value auxiliary determines:
The EPRE of the second measuring reference signals of transmission on first carrier
The second performance number of broadcast signaling instruction is sent on first carrier.
The invention discloses a kind of user equipmenies, which is characterized in that the equipment includes:
First module: for receiving the first measuring reference signals on first carrier
Second module: the RSRP for being directed to the first measuring reference signals for sending the instruction of uplink signaling
Wherein, first carrier is deployed in unlicensed spectrum, and the uplink signaling is sent on a second carrier, and second carries
Wave is deployed in authorization frequency spectrum.
The present invention solves the problems, such as the inter-cell interference in unlicensed spectrum, and cell in unlicensed spectrum by sending
Broadcast signaling indicates the first performance number.As one embodiment, the first performance number is the MPS process edge for survey
Measure reference signal RSRP, neighboring community by monitoring the first performance number determine whether can in the unlicensed spectrum work
Make, if it is possible to work, the transmission power and coverage area in the unlicensed spectrum are further determined using the first performance number.
The present invention can ensure that cell of the work in unlicensed spectrum is the best cell of received signal quality of its UE serviced,
Realize the function of cell selection in similar traditional LTE network.
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 interaction cell coverage information between base station according to an embodiment of the invention；
The schematic diagram of cell coverage information is obtained and sent Fig. 2 shows base station according to an embodiment of the invention；
Fig. 3 shows the schematic diagram of carrier wave selection according to an embodiment of the invention；
Fig. 4 shows the schematic diagram of cell coverage area according to an embodiment of the invention；
Fig. 5 shows the schematic diagram of physical resource pool according to an embodiment of the invention；
Fig. 6 shows the structural block diagram of the processing unit in base station according to an embodiment of the invention；
Fig. 7 shows the structural block diagram of the processing unit in base station according to still another embodiment of the invention；
Fig. 8 shows the structural block diagram of the processing unit in UE 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 of interaction cell coverage information between base station, as shown in Fig. 1.In attached drawing 1, base station
N1 is work in the base station of first carrier, and base station N2 is the base station near the N1 of base station.
ForBase station N1, in step s 11, the first measuring reference signals are sent on first carrier；In step s 11,
The first signaling is sent on the first physical resource of first carrier indicates the first performance number.
ForBase station N2, in the step s 21,1 group of measurement reference of measuring reference signals-the first is received on first carrier
Letter receives 1 group of signaling (the first letter) respectively in step S22 on 1 group of physical resource (the first physical resource) of first carrier
Obtain 1 group of performance number (the first performance number).
In embodiment 1, first carrier is deployed in unlicensed spectrum, and the first performance number is decibel value either linear value, the
One signaling is broadcast signaling.First signaling includes at least one of:
- ZC sequence
Pseudo-random sequence
Block of information.
As a sub- embodiment of embodiment 1, the first signaling also indicates at least one of:
Operator identifier belonging to the transmission cell of-the first measuring reference signals
The system bandwidth of first carrier.
Embodiment 2
Embodiment 2 illustrates the schematic diagram that base station obtains and sends cell coverage information, as shown in Fig. 2.In attached drawing 2,
Base station N4 is work in the base station of first carrier, and base station N4 is the serving BS of UE U6, and base station N5 is the neighbouring base of base station N4
It stands.
ForBase station N4, in step S41, the first measuring reference signals are sent on first carrier；In step S42,
It receives uplink signaling and obtains the RSRP for being directed to the first measuring reference signals；In step S43, provided in the first physics of first carrier
The first signaling is sent on source indicates the first performance number.
ForBase station N5, in step s 51,1 group of measurement reference of measuring reference signals-the first is received on first carrier
Letter receives 1 group of signaling (the first letter) respectively in step S52 on 1 group of physical resource (the first physical resource) of first carrier
Obtain 1 group of performance number (the first performance number).
ForUE U6, in step S61, the first measuring reference signals are received on first carrier；In step S62, hair
Serve the RSRP that the instruction of row signaling is directed to the first measuring reference signals.
In embodiment 2, first carrier is deployed in unlicensed spectrum, and the first performance number is decibel value either linear value, the
One signaling is broadcast signaling, and the first performance number is not higher than the RSRP.The uplink signaling is sent on a second carrier, the
Nd carrier is deployed in authorization frequency spectrum.UE U6It is the UE dispatched on first carrier by the transmission cell of the first measuring reference signals
In with worst transmission quality (i.e. RSRP) UE.
Embodiment 3
Embodiment 3 illustrates the schematic diagram of carrier wave selection, as shown in Fig. 3.In attached drawing 3, base station N7 and base station N8 are works
Make in the base station of first carrier, base station N9 is the neighbor base station of base station N7 and base station N8.
ForBase station N7, in step S71, measuring reference signals S is sent on first carrier1；In step S72,
The physical resource R of first carrier1Upper transmission signaling C1Indicated horsepower value P1。
ForBase station N8, in step S81, measuring reference signals S is sent on first carrier2；In step S82,
The physical resource R of first carrier2Upper transmission signaling C2Indicated horsepower value P2。
ForBase station N9, in step S91,2 groups of measuring reference signals S are received on first carrier1And S2；In step S92
In, 2 groups of signalings are received on 2 groups of physical resources of first carrier and obtain 2 groups of performance numbers respectively, wherein in kth group physical resource
RkUpper reception kth group signaling CkObtain kth group performance number Pk, k is the integer from 1 to 2；In step S93, according to following parameter
Auxiliary determines whether to work on first carrier:
-S1RSRP
-P1
-S2RSRP
-P2
In embodiment 3, first carrier is deployed in unlicensed spectrum, and the performance number is decibel value either linear value, institute
Stating signaling is broadcast signaling.
As a sub- embodiment of embodiment 3, further assist determining according to the parameter:
The EPRE of the second measuring reference signals of transmission on first carrier
The second performance number of broadcast signaling instruction is sent on first carrier.
Determine that method is as follows:
For k=1,2, if following conditions all meet:
-Yk≤Pk, and
-T+Yk≤2Pk
Then judgement can work on first carrier, and otherwise judgement cannot work on first carrier, wherein T, YkRespectively
It is every RE energy (EPRE-Energy Per RE) of (it is expected that) second measuring reference signals, the base station receives described
Measuring reference signals SkRSRP.
Embodiment 4
Embodiment 4 illustrates the schematic diagram of cell coverage area, as shown in Fig. 4.In attached drawing 4, base station N10 is UE U12
With the serving BS of UE U13, base station N11 is the serving BS of UE U14.Base station N10 occupies first carrier work prior to base station N11
Make, i.e. when monitoring neighbor base station on first carrier, base station N11's base station N10 not yet works on first carrier
ForBase station N10, the first measuring reference signals are sent on first carrier first；Then UE U12 and UE are received
The the first uplink signaling and the second uplink signaling that U13 is reported obtain the first RSRP and the 2nd RSRP respectively, wherein the first RSRP is
UE U12 receives the RSRP of the first measuring reference signals, and the 2nd RSRP is the RSRP that UE U13 receives the second measuring reference signals,
First RSRP is less than the 2nd RSRP；Then the first signaling is sent on the first physical resource of first carrier indicates the first power
Value, the first performance number are equal to the first RSRP.
ForBase station N11, the first measuring reference signals are received on first carrier first；Then the first of first carrier
The first signaling is received on physical resource obtains the first performance number；Then according to the RSRP of the first measuring reference signals and the first power
Value auxiliary is determined to work on first carrier.It determines after working on first carrier, base station N11 sends measurement ginseng first
Examine signal；Then the RSRP that UE U14 is reported is received；Then it sends broadcast signaling and indicates that the second performance number, the second performance number are equal to
The RSRP that UE U14 is reported.
In embodiment 4, the first performance number identifies the coverage area of base station N10, i.e., the region of round A2；Second performance number mark
The coverage area of base station N11, i.e., the region of round A1 are known.
Embodiment 5
Embodiment 5 illustrates the schematic diagram of physical resource pool, as shown in Fig. 5.In attached drawing 5, a pane indicates one
A subframe, the oblique line lattice for identifying same numbers indicate one group of physical resource.
For base station, 2 groups of measuring reference signals are received on first carrier first, wherein kth group measuring reference signals Sk；
Then 2 groups of signalings are received on 2 groups of physical resources of first carrier and obtains 2 groups of performance numbers respectively, wherein in kth group physical resource
RkUpper reception kth group signaling CkObtain kth group performance number Pk。
In embodiment 5, first carrier is deployed in unlicensed spectrum, and the performance number is decibel value either linear value, institute
Stating signaling is broadcast signaling, and k is the integer from 1 to 2.The physical resource is in the resource pool being made of M group running time-frequency resource
Running time-frequency resource described in one group, the position of the M group running time-frequency resource are pre-determining, and M is 10.The signaling CkAlso indicate following letter
Breath:
The measuring reference signals SkTransmission cell belonging to operator identifier
The measuring reference signals SkTransmission cell system bandwidth Fk。
Wherein, the system bandwidth of first carrier is as shown in B1 in attached drawing 5, F1As shown in B1 in attached drawing 5, F2Such as B2 in attached drawing 5
It is shown；R1It is the subframe for identifying 3 oblique line lattice and indicating, R2It is the subframe for identifying 6 oblique line lattice and indicating；The signaling
CkIn kth group physical resource RkSubframe in periodicity sending.
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, base station
Processing unit 200 is made of sending module 201, receiving module 202, sending module 203.
Sending module 201 on first carrier for sending the first measuring reference signals；Receiving module 202 is for receiving
Row signaling obtains the RSRP for being directed to the first measuring reference signals；Sending module 203 is used for the first physical resource in first carrier
The first signaling of upper transmission indicates the first performance number.
In embodiment 6, first carrier is deployed in unlicensed spectrum, and the first performance number is decibel value either linear value, the
One signaling is broadcast signaling, and the first performance number is not higher than the RSRP.The measuring reference signals are distributed in the institute of first carrier
Have on PRB pair；Time-frequency location of the measuring reference signals in each PRB pair in a subframe is identical；It is described
Time-frequency location of the measuring reference signals inside a PRB pair is following one:
The time-frequency location of the CSI-RS of-L ports
The time-frequency location of the CRS of-L ports
Wherein, L is 1 or 2.
Embodiment 7
Embodiment 7 illustrates the structural block diagram of the processing unit in another base station, as shown in Fig. 7.In attached drawing 7, base
Processing unit of standing 300 is made of receiving module 301, receiving module 302, determining module 303.
Receiving module 301 is used to receive K group measuring reference signals on first carrier, wherein kth group measuring reference signals
Sk；Receiving module 302 is used to receive K group signaling on the K group physical resource of first carrier obtains K group performance number respectively, wherein
In kth group physical resource RkUpper reception kth group signaling CkObtain kth group performance number Pk；Determining module 303 is used for according at least one
The RSRP of the group measuring reference signals and the corresponding performance number auxiliary determine whether to work on first carrier.
In embodiment 7, first carrier is deployed in unlicensed spectrum, and the performance number is decibel value either linear value, institute
Stating signaling is broadcast signaling, and k is the integer from 1 to K, and K is positive integer.The physical resource is made of M group running time-frequency resource
Running time-frequency resource described in one group in resource pool, the position of the M group running time-frequency resource are pre-determining, and M is positive integer.
Embodiment 8
Embodiment 8 illustrates the structural block diagram of the processing unit in a UE, as shown in Fig. 8.In attached drawing 8, UE processing
Device 400 is made of receiving module 401, sending module 402.
Receiving module 401 on first carrier for receiving the first measuring reference signals；Sending module 402 is for sending
The instruction of row signaling is directed to the RSRP of the first measuring reference signals
Wherein, first carrier is deployed in unlicensed spectrum, and the uplink signaling is sent on a second carrier, and second carries
Wave is deployed in authorization frequency spectrum.
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 (16)
1. a kind of method in base station, wherein include the following steps:
A. the first measuring reference signals are sent on first carrier
B. the first signaling is sent on the first physical resource of first carrier and indicates the first performance number, which is cell
Cover the RSRP for the first measuring reference signals of edge
Wherein, first carrier is deployed in unlicensed spectrum, and the first performance number is decibel value either linear value, and the first signaling is wide
Broadcast signaling；
Further include following steps before the step B:
B0. it receives uplink signaling and obtains the RSRP for being directed to the first measuring reference signals
Wherein, the first performance number is not higher than the RSRP.
2. the method according to claim 1, wherein the first signaling also indicates at least one of:
Operator identifier belonging to the transmission cell of-the first measuring reference signals
The system bandwidth of first carrier.
3. the method according to claim 1, wherein the first physical resource is the money being made of M group running time-frequency resource
One group of running time-frequency resource in the pond of source, the position of the M group running time-frequency resource are pre-determining, and M is positive integer.
4. method according to claim 1 or 2, which is characterized in that the first signaling includes at least one of:
- ZC sequence
Pseudo-random sequence
Block of information.
5. the method according to claim 1, wherein the uplink signaling receives on a second carrier,
Second carrier wave is deployed in authorization frequency spectrum.
6. the method according to claim 1, wherein the uplink signaling is by the hair of the first measuring reference signals
Transmitted by UE in the UE for sending cell to dispatch on first carrier with worst transmission quality.
7. according to claim 1,2, method described in 6 any one, which is characterized in that the first measuring reference signals are distributed in
On all PRB pairs of one carrier wave；Time-frequency location of first measuring reference signals in each PRB pair in a subframe is phase
With；Time-frequency location of first measuring reference signals inside a PRB pair is following one:
The time-frequency location of the CSI-RS of-L ports
The time-frequency location of the CRS of-L ports
Wherein, L is 1 or 2.
8. a kind of method in base station, wherein include the following steps:
A. K group measuring reference signals are received on first carrier, wherein kth group measuring reference signals Sk
B. K group signaling is received on the K group physical resource of first carrier and obtain K group performance number respectively, wherein providing in kth group physics
Source RkUpper reception kth group signaling CkObtain kth group performance number Pk
Wherein, first carrier is deployed in unlicensed spectrum, and the performance number is decibel value either linear value, and the signaling is wide
Signaling is broadcast, k is the integer from 1 to K, and K is positive integer.
9. according to the method described in claim 8, it is characterized in that, further including following steps:
C. determined whether according to the RSRP of at least one set of measuring reference signals and the corresponding performance number auxiliary first
It works on carrier wave.
10. according to the method described in claim 9, it is characterized in that, further including following steps:
D. it is determined according to the RSRP of at least one set measuring reference signals and the corresponding performance number auxiliary:
The EPRE of the second measuring reference signals of transmission on first carrier
The second performance number of broadcast signaling instruction is sent on first carrier.
11. according to the method described in claim 8, it is characterized in that, the signaling CkAlso indicate at least one of:
The measuring reference signals SkTransmission cell belonging to operator identifier
The measuring reference signals SkTransmission cell system bandwidth Fk, the system bandwidth FkWith the system band of first carrier
Wide all or part of overlapping.
12. according to the method described in claim 8, it is characterized in that, the physical resource is the money being made of M group running time-frequency resource
Running time-frequency resource described in one group in the pond of source, the position of the M group running time-frequency resource are pre-determining, and M is positive integer.
13. the method according to claim 8 or 10, which is characterized in that the signaling includes at least one of:
- ZC sequence
Pseudo-random sequence
Block of information.
14. according to claim 8, method described in 9,10,11 any one, which is characterized in that the measuring reference signals point
Cloth is on all PRB pairs of first carrier；Time-frequency position of the measuring reference signals in each PRB pair in a subframe
It is identical for setting；Time-frequency location of the measuring reference signals inside a PRB pair is following one:
The time-frequency location of the CSI-RS of-L ports
The time-frequency location of the CRS of-L ports
Wherein, L is 1 or 2.
15. a kind of base station equipment, which is characterized in that the equipment includes:
First module: for sending the first measuring reference signals on first carrier
Second module: the RSRP for being directed to the first measuring reference signals for receiving the acquisition of uplink signaling
Third module: the first performance number is indicated for sending the first signaling on the first physical resource of first carrier
Wherein, first carrier is deployed in unlicensed spectrum, and the first performance number is decibel value either linear value, and the first signaling is wide
Signaling is broadcast, the first performance number is not higher than the RSRP；First performance number is MPS process edge for the first measurement ginseng
The RSRP of signal is examined, the first signaling also indicates at least one of:
Operator identifier belonging to the transmission cell of-the first measuring reference signals
The system bandwidth of first carrier.
16. a kind of base station equipment, which is characterized in that the equipment includes:
First module: it is used to receive K group measuring reference signals on first carrier, wherein kth group measuring reference signals Sk
Second module: obtaining K group performance number for receiving K group signaling on the K group physical resource of first carrier respectively, wherein
Kth group physical resource RkUpper reception kth group signaling CkObtain kth group performance number Pk
Third module: for being determined according to the RSRP and the corresponding performance number auxiliary of at least one set of measuring reference signals
Whether work on first carrier；
Wherein, first carrier is deployed in unlicensed spectrum, and the performance number is decibel value either linear value, and the signaling is wide
Signaling is broadcast, k is the integer from 1 to K, and K is positive integer.
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| WO2017020242A1 (en) * | 2015-08-04 | 2017-02-09 | Nec Corporation | Method and apparatus for performing operator indication |
| 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 |
| CN106470502B (en) * | 2015-08-20 | 2019-09-17 | 中国移动通信集团公司 | A kind of scheduling of resource, application method and the device of the unauthorized frequency range of LTE |
| WO2017035716A1 (en) * | 2015-08-28 | 2017-03-09 | 华为技术有限公司 | Method and device for spectrum sharing |
| CN107040984B (en) * | 2016-02-04 | 2019-07-26 | 电信科学技术研究院 | A kind of unauthorized frequency range ascending power control method and relevant device |
| CN107359973B (en) * | 2016-05-09 | 2021-08-13 | 中兴通讯股份有限公司 | Method and device for selecting transmission node |
| CN110213012B (en) * | 2018-02-28 | 2021-11-23 | 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 |
| WO2020000146A1 (en) * | 2018-06-25 | 2020-01-02 | 华为技术有限公司 | Unlicensed-spectrum-based communication method and apparatus |
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| US9456454B2 (en) * | 2011-06-02 | 2016-09-27 | Broadcom Corporation | Flexible disabling/enabling of cross-carrier scheduling in carrier-aggregated wireless data transmission |
| WO2013071506A1 (en) * | 2011-11-17 | 2013-05-23 | Renesas Mobile Corporation | Methods and apparatuses for provision of reference signal design for downlink tracking in occupied shared band |
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