CN106060861A - Evaluation method of unlicensed frequency band carrier and evolution node applying same - Google Patents
Evaluation method of unlicensed frequency band carrier and evolution node applying same Download PDFInfo
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- CN106060861A CN106060861A CN201610230188.8A CN201610230188A CN106060861A CN 106060861 A CN106060861 A CN 106060861A CN 201610230188 A CN201610230188 A CN 201610230188A CN 106060861 A CN106060861 A CN 106060861A
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- 241000760358 Enodes Species 0.000 claims abstract description 60
- 238000001514 detection method Methods 0.000 claims description 31
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/08—Testing, supervising or monitoring using real traffic
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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
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
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Abstract
An assessment method of unlicensed frequency band carrier and an evolution node using the same are provided. The method for evaluating the unlicensed frequency band carrier comprises the following steps. An evolved Node B (eNB) transmits a configuration information (configuration information) to at least one User Equipment (UE). The configuration information includes a time parameter. According to the configuration information, the ue transmits at least one preamble message to an Licensed Assisted Access node (LAA node) via at least one unlicensed band carrier. The grant assists the access node in attaching to the enode B. The eNode B or the CA AP evaluates a transmission efficiency of at least one unlicensed band carrier according to the preamble.
Description
Technical field
It relates to the appraisal procedure of a kind of unauthorized frequency range carrier wave (unlicensed carrier) and application
Its enode b.
Background technology
Along with the evolution of wireless communication technology, develop transmission speed faster Long Term Evolution (Long
Term Evolution, LTE).In Long Term Evolution, enode b (evolved Node B,
ENB) control for authorizing frequency range carrier wave (licensed carrier) is provided.In oneainstance, one
Assistance access node (licensed Assisted Access node, LAA node) is authorized to pass through non-
Frequency range carrier wave (unlicensed carrier) is authorized to provide service to subscriber equipment (user equipment, UE).
But, assist access node (LAA node) and other radio-frequency techniques node (radio owing to authorizing
Access technologies node, RAT node) have a situation about interfering, and may cause cannot
Select unauthorized frequency range carrier wave in order smoothly.
Summary of the invention
The disclosure is related to the appraisal procedure of a kind of unauthorized frequency range carrier wave (unlicensed carrier) and answers
With its enode b.
An enforcement example according to the disclosure, proposes a kind of unauthorized frequency range carrier wave (unlicensed carrier)
Appraisal procedure.The appraisal procedure of unauthorized frequency range carrier wave comprises the following steps.One enode b
(evolved Node B, eNB) transmits a configuration information (configuration information) to extremely
A few subscriber equipment (user equipment, UE).Configuration information includes a time parameter.According to configuration
Information, subscriber equipment is by least one unauthorized frequency range carrier wave transmission at least one leading message (preamble
Message) to mandate assistance access node (Licensed Assisted Access node, LAA node).
Authorize and assist access node to be linked to enode b.Access node foundation is assisted in enode b or mandate
Leading message, an efficiency of transmission of assessment at least one unauthorized frequency range carrier wave.
Another according to the disclosure implements example, proposes a kind of unauthorized frequency range carrier wave (unlicensed
Carrier) appraisal procedure.The appraisal procedure of unauthorized frequency range carrier wave comprises the following steps.One enode
B (evolved Node B, eNB) transmits a configuration information (configuration information) extremely
At least one subscriber equipment (user equipment, UE).Configuration information includes a time parameter.According to joining
Confidence ceases, a received signal strength indicator of subscriber equipment record at least unauthorized frequency range carrier wave
(Received Signal Strength Indication, RSSI) information.Enode b or one authorizes association
Adjuvant grafting ingress (Licensed Assisted Access node, LAA node) is according to received signal strength
Instruction information, assesses an efficiency of transmission of unauthorized frequency range carrier wave.Authorize and assist access node to be linked to this
Enode b.
Another further according to the disclosure implements example, a kind of enode b of proposition (evolved Node B,
eNB).Enode b receives at least one subscriber equipment (user equipment, UE) and transmits at least
One received signal strength indicator (the Received Signal Strength of one unauthorized frequency range carrier wave
Indication, RSSI) information or receive at least one leading message transmitted by unauthorized frequency range carrier wave
(preamble sequence).Enode b foundation received signal strength indicator information or leading message,
Assess an efficiency of transmission of unauthorized frequency range carrier wave.
More preferably understand in order to above-mentioned and other aspect of this disclosure has, multiple embodiments cited below particularly,
And coordinate accompanying drawing, it is described in detail below:
Accompanying drawing explanation
Fig. 1 illustrates the schematic diagram of the disturbed condition of unauthorized frequency range carrier wave.
Fig. 2 illustrates the flow chart of the appraisal procedure of the unauthorized frequency range carrier wave according to an embodiment.
Fig. 3 illustrates the schematic diagram of leading message transmission situation in step S220 of Fig. 2.
Fig. 4 illustrates the flow chart of the appraisal procedure of the unauthorized frequency range carrier wave according to another embodiment.
Fig. 5 illustrates the schematic diagram of the appraisal procedure suspending unauthorized frequency range carrier wave.
Fig. 6 illustrates the schematic diagram of time parameter.
Fig. 7 illustrates the schematic diagram of the time parameter of multiple unauthorized frequency range carrier wave.
Fig. 8 illustrates the schematic diagram of calibration upstream time.
Fig. 9 illustrates two kinds of embodiments of step S430 of Fig. 4.
Figure 10 illustrates an instance graph of the appraisal procedure of unauthorized frequency range carrier wave.
Figure 11 illustrates another instance graph of the appraisal procedure of unauthorized frequency range carrier wave.
Figure 12 illustrates another instance graph of the appraisal procedure of unauthorized frequency range carrier wave.
Figure 13 illustrates another instance graph of the appraisal procedure of unauthorized frequency range carrier wave.
[symbol description]
100: enode b
200: authorize and assist access node
200 ': other radio-frequency technique nodes
300: subscriber equipment
F1, F2, F3, F4: frequency range
P1: the cycle
P2: during assessment
S210、S220、S221、S222、S230、S230’、S240、S240’、S250’、S260’、
S430 ', S430 ", S431 ', S431 ", S410, S420, S430, S440, S540: process step
TH: marginal value
Δ t1: the channel detection period
Δ t2: the leading transmission period
Δ t3: the data transmission period
Detailed description of the invention
Refer to Fig. 1, it illustrates the disturbed condition of unauthorized frequency range carrier wave (unlicensed carrier)
Schematic diagram.Two authorize assistance access node (Licensed Assisted Access node, LAA node)
200 link respectively and controlled are formed on an enode b (evolved Node B, eNB) 100.When with
Family equipment (user equipment, UE) 300 is intended to be assisted with a certain mandate by unauthorized frequency range carrier wave
During access node 200 line, unauthorized frequency range carrier wave may be by other radio-frequency techniques node (radio
Access technologies node, RAT node) 200 ' interference.
By the various embodiment of the following stated, can effectively assess the transmission effect of a certain unauthorized frequency range carrier wave
Rate, or select efficiency of transmission preferably from multiple unauthorized frequency range carrier waves.
Refer to Fig. 2, it illustrates the flow process of appraisal procedure of the unauthorized frequency range carrier wave according to an embodiment
Figure.In step S210, enode b 100 transmits a configuration information (configuration
Information) at least one subscriber equipment 300.Configuration information e.g. includes a time parameter, a use
Family equipment configuration parameter, a frequency range configuration parameter and a through-put power, but it is not limited to this.In this step,
Enode b 100 authorizes frequency range carrier wave (license carrier) transmission configuration information to set to user by one
Standby 300.Time parameter is in order to some period of agreement, to be estimated in these periods.User sets
Standby configuration parameter is then in the case of multiple subscriber equipmenies 300, and agreement distinguishes this little subscriber equipmenies 300
Mode, i.e. can be used for the setting of leading message (preamble sequence).User device configuration parameter
Can be a resource block (resource block) configuration information or spread spectrum code (spreading code)
Configuration information.When employing time cutting technique (time division) configures multiple subscriber equipment 300,
User device configuration parameter is resource block configuration information.Use frequency cutting technique (frequency
When division) configuring multiple subscriber equipment 300, user device configuration parameter is spread spectrum code.Frequency range is joined
Putting parameter is then in the case of multiple unauthorized frequency range carrier waves, and these a little unauthorized frequency range carrier waves of agreement are made
Frequency range.In this step, configuration information can pass through wireless heterogeneous networks signal (Radio Resource
Control message, RRC message) transmission.
Then, in step S220, according to configuration information, subscriber equipment 300 is unauthorized by least one
Frequency range carrier wave, send mechanism (Listen-Before-Talk, LBT) or empty channel detection (Clear afterwards by first listening
Channel Assessment, CCA) program, transmission at least one leading message (preamble sequence)
Access node 200 is assisted to authorizing.Leading message is the signal of physical layer (physical layer).
Leading message can be full frequency band (whole band) or the signal of band segment (partial band).
Additionally, leading message is transmitted by the through-put power of agreement.If necessary, enode b 100
Can this through-put power of agreement again.Such as, through-put power can be according to the transmission quantity of leading message, biography
Pass the number of success of leading message, transmit the probalility of success of leading message and dynamically adjust.
When a certain unauthorized frequency range carrier wave is subject to slighter interference, subscriber equipment 300 may determine to pass
Delivering to a few leading message, leading message is transferred to authorize by this unauthorized frequency range carrier wave and assists to access joint
The probalility of success of point 200 is higher；When a certain unauthorized frequency range carrier wave is by more serious interference, user
Equipment 300 may determine to be not transferred to a few leading message, and leading message passes through this unauthorized frequency range carrier wave
It is transferred to authorize the probalility of success assisting access node 200 relatively low.
For example, refer to Fig. 3, it illustrates leading message transmission situation in step S220 of Fig. 2
Schematic diagram.In step S220, what subscriber equipment 300 carried out step S221 first listens mechanism of sending afterwards
(LBT) or after empty channel detection (Clear Channel Assessment, CCA) program, i.e. perform
The transmission leading message action of step S222.Subscriber equipment 100, according to temporal information, repeatedly carries out step
S221 and step S222.But leading message can be transferred to by step S222 the most each time smoothly
Authorize and assist access node 200.As it is shown on figure 3, step S222 ' transmission leading message action be nothing
Method is delivered successfully the situation of leading message.
In step S230 of Fig. 2, enode b 100 or mandate assist access node 200 according to front
Guide ceases, an efficiency of transmission of assessment at least one unauthorized frequency range carrier wave.For example, according to being received
To the quantity of the breath of guide before, the efficiency of transmission of each unauthorized frequency range carrier wave can be evaluated.Or,
According to a signal intensity or a signal quality of leading message, such as signal to noise ratio (signal to noise ratio,
SINR) Reference Signal Received Power information (Reference Signal Receiving Power information,
RSRP information) or Reference Signal Received Quality information (Reference Signal Receiving
Quality information, RSRQ information), it is possible to evaluate each unauthorized frequency range carrier wave
Efficiency of transmission.
Then, in step S240, enode b 100 transmits a renewal message to subscriber equipment 300,
This renewal message include unauthorized frequency range carrier wave one can service condition, the most a certain unauthorized frequency range carry
Ripple make no can use or multiple unauthorized frequency range carrier wave can use which has.
In one embodiment, when subscriber equipment 300 moves, may be by the company of a certain enode b 100
Knot, transforms to the link of another enode b 100.Now, two enode bs 100 can pass through
Hand-off message (Handover message) exchange information.Above-mentioned configuration information can directly be placed in hand-off
Message, so new enode b 100 can obtain configuration information from hand-off message.
Above-mentioned Fig. 2 assesses the efficiency of transmission of unauthorized frequency range carrier wave by leading message.Another at Fig. 4
In one embodiment, it is possible in the case of not transmitting leading message, carry out the assessment of unauthorized frequency range carrier wave.
Refer to Fig. 4, it illustrates the flow chart of appraisal procedure of the unauthorized frequency range carrier wave according to another embodiment.
In step S410, enode b 100 transmits configuration information to subscriber equipment 300.Configuration information class
It is similar to described above, narration is not repeated.
In the step s 420, according to configuration information, subscriber equipment 300 records at least one unauthorized frequency range and carries
One received signal strength indicator (Received Signal Strength Indication, the RSSI) information of ripple.
When a certain unauthorized frequency range carrier wave is subject to slighter interference, the reception of this unauthorized frequency range carrier wave
Signal intensity instruction (RSSI) is relatively low；When a certain unauthorized frequency range carrier wave is by more serious interference,
The received signal strength indicator (RSSI) of this unauthorized frequency range carrier wave is higher.
In step S430, enode b 100 or mandate assist access node 200 according to receiving signal
Strength indicator, an efficiency of transmission of assessment at least one unauthorized frequency range carrier wave.For example, foundation
The height of received signal strength indicator (RSSI), can evaluate the transmission of each unauthorized frequency range carrier wave
Efficiency.
In contrast, in the embodiment of fig. 2, leading message is transmitted by step S220, and in step
S230, according to leading message, assesses the efficiency of transmission of unauthorized frequency range carrier wave.In the fig. 4 embodiment,
Then do not transmit leading message, but in step S420 record received signal strength indicator (RSSI), and
Step S430, according to received signal strength indicator information, assesses the efficiency of transmission of unauthorized frequency range carrier wave.Please
With reference to Fig. 5, it illustrates the schematic diagram of the appraisal procedure suspending unauthorized frequency range carrier wave.Hold in step S220
During row, in step S540, enode b 100 can transmit a stopping signal to subscriber equipment
300, stop performing the action transmitting leading message of step S220 with notifying user equipment 300.At this
In step, stop signal and can pass through wireless heterogeneous networks signal (Radio Resource Control
Message, RRC message) transmission.
Similarly, the embodiment of Fig. 5 also apply be applicable to the appraisal procedure of the unauthorized frequency range carrier wave of Fig. 4,
Stop performing record received signal strength indicator (RSSI) letter of step S420 with notifying user equipment 300
The action of breath.
Refer to Fig. 6, it illustrates the schematic diagram of time parameter.The time parameter of configuration information comprises at least
One assessment period P2, each assessment period P2 comprise several cycle P1.Each cycle P1 is used for carrying out
Mechanism (LBT) is sent in first listening once afterwards.It is to say, in assessing period P2, can carry out repeatedly
First listen and send mechanism (LBT) afterwards.
Enode b 100 and the agreement of the time parameter of subscriber equipment 300, can pass through descending
(downlink) time, find reference signal (discovery reference signal, the DRS) time,
Timing Advance instruction (timing advance group indication) is carried out.
Each cycle P1 sequentially comprises a channel detection period Δ t1, a leading transmission period Δ t2 and a number
According to transmission period Δ t3.Channel detection period Δ t1 is in order to have carried out channel detection (Clear Channel
Assessment, CCA) program, leading transmission period Δ t2 is in order to transmit leading message, and data are transmitted
Period Δ t3 may be in order to carry out data transmission.The interval of two adjacent leading transmission period Δ t2 is
Channel detection period Δ t1 and data transmission period Δ t3.Channel detection period Δ t1 and leading transmission period Δ t2
Shared is idle (idle) period, does not interferes with the data transmission period Δ t3 that may carry out data transmission.
In one embodiment, if data transmission need not be carried out, then the length of data transmission period Δ t3 can be 0
(i.e. each cycle P1 only comprises channel detection period Δ t1 and leading transmission period Δ t2).
As a example by the appraisal procedure of the unauthorized frequency range carrier wave of Fig. 2, Fig. 2 performs complete first listening and send afterwards
Mechanism (LBT), leading message is to transmit at leading transmission period Δ t2.Unauthorized frequency with Fig. 4
As a example by the appraisal procedure of Duan Zaibo, Fig. 4 only can perform sky channel detection (Clear Channel Assessment,
CCA) program, and record received signal strength indicator (RSSI) information at channel detection period Δ t1.
Refer to Fig. 7, it illustrates the schematic diagram of time parameter of multiple unauthorized frequency range carrier wave.Multiple non-
Frequency range carrier wave is authorized to correspond respectively to frequency range F1～F4, the channel detection that these a little frequency ranges F1～F4 are configured
Period Δ t1 the most mutually staggers with leading transmission period Δ t2.It is to say, at any point in time,
Only for one of them of frequency range F1～F4 carry out abovementioned steps S220 transmit leading message action (or
The action of record received signal strength indicator (RSSI) information of step S420).
Refer to Fig. 8, it illustrates the schematic diagram of calibration upstream time (uplink timing).In step S230 '
In, enode b 100 or mandate assistance access node 200 are according to leading message, except assessment at least
Beyond the efficiency of transmission of one unauthorized frequency range carrier wave, more calculate Timing Advance (timing advance,
TA)。
In step S240 ' in, the renewal message that enode b 100 is transmitted is spendable non-except comprising
Authorize beyond frequency range carrier wave message, also include Timing Advance (TA).
In step 250 ', subscriber equipment 300 adjusts upstream time (uplink according to Timing Advance (TA)
Timing), in and in step S260 ', subscriber equipment 300 replys resource request to enode b 100.
It is to say, during above-described embodiment operates the appraisal procedure of unauthorized frequency range carrier wave, it is possible to
Calculate Timing Advance (TA) in the lump, so that upstream time (uplink timing) to be adjusted.
Refer to Fig. 9, it illustrates two kinds of embodiments of step S430 of Fig. 4.Step S430 at Fig. 4
In, enode b 100 or mandate assist access node 200 according to received signal strength indicator (RSSI)
Information, assesses the efficiency of transmission of unauthorized frequency range carrier wave.Step S430 by Fig. 9 ' embodiment as a example by,
Subscriber equipment 300 can be in step S431 ' by authorizing frequency range carrier wave transmission feedback information to enode b
100.Additionally, by step S430 of Fig. 9 " embodiment as a example by, subscriber equipment 300 can be in step
S431 " transmit feedback information to enode b 100 by unauthorized frequency range carrier wave.Feedback information is e.g.
Comprise and measure received signal strength indicator (RSSI) information that arrives or empty channel detection (CCA) program
The statistical result of result.
Refer to Figure 10, it illustrates the appraisal procedure of unauthorized frequency range carrier wave (unlicensed carrier)
One instance graph.As a example by Figure 10, in assessing period P2, it is configured with 13 channel detection period Δ t1
And leading transmission period Δ t2, and carried out the action transmitting leading message of 13 times.In Fig. 10, this
The interval of a little leading transmission period Δ t2 is the most identical.The action transmitting leading message each time can transmit one
Or several leading message.As long as there being any one leading message to be authorized to assist to access in action once
Node 200 receives, and i.e. assert that the action this time transmitting leading message is successfully.If moving once
Work does not has any one leading message be authorized to assist access node 200 to receive, i.e. assert and this time pass
The action passing leading message is unsuccessfully.As shown in Figure 10, the 1st time and the 7th time transmit leading message
Action is unsuccessfully, and remaining action is all successfully.Access node 200 is assisted in enode b 100 or mandate
Can calculate, to obtain a statistical result.The statistical result showed of Figure 10 transmits the one-tenth of leading message
Merit probability is 11/13, and it is more than predetermined probability standard 80%, therefore can assert this unauthorized frequency range carrier wave
Efficiency of transmission is good.
Or, it is also possible to number of times is as criterion.As shown in Figure 10, the 1st time and the transmission of the 7th time
The action of leading message is unsuccessfully, and remaining action is all successfully.The statistical result showed transmission of Figure 10 is leading
The number of success of message is 11, and it is more than pre-determined number standard 10 times, therefore can assert this unauthorized frequency range
The efficiency of transmission of carrier wave is good.
In another embodiment, in the assessment period P2 of Figure 10, it is configured with 13 channel detection period Δ t1,
And empty channel detection (CCA) program of 13 times can be carried out.Empty channel detection (CCA) program each time
Whether it is less than marginal value TH than to received signal strength indicator (RSSI).If received signal strength refers to
Show that (RSSI) less than this marginal value TH, then passes through empty channel detection (CCA) program；If receiving letter
Number intensity instruction (RSSI) is not less than this marginal value TH, does not detects (CCA) journey by null tone road
Sequence.As shown in Figure 10, empty channel detection (CCA) program of the 1st time and the 7th time for not pass through, its
Remaining action is all to be passed through.Subscriber equipment 300 can calculate, to obtain a statistical result.Figure 10's
Statistical result showed sky channel detection (CCA) program is 11/13 by probability, and it is more than predetermined probability
Standard 80%, therefore can assert that the efficiency of transmission of this unauthorized frequency range carrier wave is good.
Or, it is also possible to number of times is as criterion.As shown in Figure 10, the 1st time and the null tone of the 7th time
The action of road detection (CCA) program is not for pass through, and remaining action is all to be passed through.The statistical result of Figure 10
The number of pass times of empty channel detection (CCA) program of display is 11, and it is more than pre-determined number standard 10 times,
Therefore can assert that the efficiency of transmission of this unauthorized frequency range carrier wave is good.
Or, in another embodiment, empty channel detection (CCA) program is assembled out each time
Received signal strength indicator (RSSI) information can be transferred directly to enode b 100 or authorize assistance
Access node 200, and assisted access node 200 according to marginal value TH by enode b 100 or mandate
Calculate statistical result.
Refer to Figure 11, it illustrates the appraisal procedure of unauthorized frequency range carrier wave (unlicensed carrier)
Another instance graph.As shown in figure 11, only the action transmitting leading message of the 5th, 6,8,9 times is
Success.Enode b 100 or mandate assist access node 200 to calculate, and unify to obtain
Meter result.It is 4/13 that the statistical result showed of Figure 11 transmits the probalility of success of leading message, and it is less than predetermined
Probability standard 80% (number of success is 4, less than pre-determined number standard 10 times), therefore can assert that this non-awards
The efficiency of transmission of power frequency range carrier wave is bad.
Or, it is possible to utilize empty channel detection (CCA) program to be estimated, and do not transmit front guide
Breath.Related description is same as above, and narration is not repeated at this.
Refer to Figure 12, it illustrates the appraisal procedure of unauthorized frequency range carrier wave (unlicensed carrier)
Another instance graph.In the assessment period P2 of Figure 12, the interval foundation of these a little leading transmission period Δ t2
One random back-off algorithms (random backoff algorithm) changes.For example, when guide before transmission
During the action of breath failure more than twice continuously, then increase the length of channel detection period Δ t1, so that the 3rd
The secondary action transmitting leading message is delayed to be carried out, to avoid the intensive leading message of transmission carrying out failure
Action.
In like manner, in the example of Figure 12, it is possible to utilize empty channel detection (CCA) program to be estimated,
And do not transmit leading message.Related description is same as above, and narration is not repeated at this.
Refer to Figure 13, it illustrates the appraisal procedure of unauthorized frequency range carrier wave (unlicensed carrier)
Another instance graph.In the example of Figure 13, the quantity of assessment period P2 is multiple.Counting statistics result
Time, the action of leading for all of transmission message can carry out the statistics of probalility of success, e.g. 7/12.Or
Person, can add up the probalility of success of different assessment period P2 respectively, then be averaged, e.g.
(3/4+3/4+1/4)/3。
In like manner, in the example of Figure 13, it is possible to utilize empty channel detection (CCA) program to be estimated,
And do not transmit leading message.Related description is same as above, and narration is not repeated at this.
Another further according to the disclosure implements example, a kind of enode b of proposition (evolved Node B,
eNB).Enode b receives at least one subscriber equipment (user equipment, UE) and transmits at least
One received signal strength indicator (the Received Signal Strength of one unauthorized frequency range carrier wave
Indication, RSSI) information or receive at least one leading message transmitted by unauthorized frequency range carrier wave
(preamble sequence).Enode b foundation received signal strength indicator information or leading message,
Assess an efficiency of transmission of unauthorized frequency range carrier wave.
According to above-described embodiment, utilize and transmit leading message (preamble sequence) or record reception letter
The mode of number intensity instruction (RSSI) information, can assess the transmission of a certain unauthorized frequency range carrier wave smoothly
Efficiency, or select efficiency of transmission preferably from multiple unauthorized frequency range carrier waves, to avoid unauthorized frequency
The situation that section carrier-in-interference is serious.
In sum, although the disclosure is open as above with multiple embodiments, and so it is not limited to this
Open.Disclosure person of ordinary skill in the field without departing from the spirit and scope of the disclosure, when
Can be used for a variety of modifications and variations.Therefore, the protection domain of the disclosure is when defining depending on appended claims
Scope is as the criterion.
Claims (23)
1. the appraisal procedure of a unauthorized frequency range carrier wave, it is characterised in that described unauthorized frequency range carrier wave
Appraisal procedure include:
Enode b transmission configuration information is at least one subscriber equipment, and this configuration information includes time parameter；
According to this configuration information, this at least one subscriber equipment is transferred to by least one unauthorized frequency range carrier wave
A few leading message is to authorizing assistance access node, and this mandate assists access node to be linked to this enode
B；And
Maybe this mandate of this enode b assists access node according to this leading message, assesses this at least one non-
Authorize the efficiency of transmission of frequency range carrier wave.
The appraisal procedure of unauthorized frequency range carrier wave the most as claimed in claim 1, it is characterised in that in transmission
In the step of this at least one leading message, the most first listen and send mechanism or empty channel detection program afterwards.
The appraisal procedure of unauthorized frequency range carrier wave the most as claimed in claim 1, wherein this enode b
This configuration information is transmitted to this at least one subscriber equipment by authorizing frequency range carrier wave.
The appraisal procedure of unauthorized frequency range carrier wave the most as claimed in claim 1, it is characterised in that this time
During parameter comprises at least one assessment, respectively comprising multiple cycle during this at least one assessment, respectively this cycle depends on
Sequence comprise the channel detection period, the leading transmission period and data transmission the period, this channel detection period in order to
Carrying out sky channel detection program, this leading transmission period is in order to transmit this at least one leading message, these data
The transmission period is in order to transmit data.
The appraisal procedure of unauthorized frequency range carrier wave the most as claimed in claim 4, it is characterised in that this is at least
Quantity during one assessment is multiple.
The appraisal procedure of unauthorized frequency range carrier wave the most as claimed in claim 4, it is characterised in that respectively should
During at least one assessment, multiple intervals of these leading transmission periods in these cycles are the most identical.
The appraisal procedure of unauthorized frequency range carrier wave the most as claimed in claim 4, it is characterised in that respectively should
During at least one assessment, multiple intervals of these leading transmission periods in these cycles are according to random back-off
Algorithm changes.
The appraisal procedure of unauthorized frequency range carrier wave the most as claimed in claim 1, it is characterised in that this is at least
The quantity of one subscriber equipment is multiple, and this configuration information also includes user device configuration parameter, and this user sets
Standby configuration parameter is resource block configuration parameter or spread spectrum code configuration parameter.
The appraisal procedure of unauthorized frequency range carrier wave the most as claimed in claim 1, it is characterised in that this is at least
The quantity of one unauthorized frequency range carrier wave is multiple, and this configuration information also includes frequency range configuration parameter.
The appraisal procedure of unauthorized frequency range carrier wave the most as claimed in claim 1, it is characterised in that in assessment
In the step of this efficiency of transmission of this at least one unauthorized frequency range carrier wave, maybe this mandate of this enode b is assisted
Adjuvant grafting ingress, according to the quantity of this received at least one leading message, assesses this at least one unauthorized
This efficiency of transmission of frequency range carrier wave.
The appraisal procedure of 11. unauthorized frequency range carrier waves as claimed in claim 1, it is characterised in that in assessment
In the step of this efficiency of transmission of this at least one unauthorized frequency range carrier wave, maybe this mandate of this enode b is assisted
Adjuvant grafting ingress, according to the signal intensity of this at least one leading message or signal quality, assesses this at least one non-
Authorize this efficiency of transmission of frequency range carrier wave.
The appraisal procedure of 12. unauthorized frequency range carrier waves as claimed in claim 1, it is characterised in that this is leading
Message is transmitted by through-put power, and this through-put power is by this enode b and this subscriber equipment agreement.
The appraisal procedure of 13. unauthorized frequency range carrier waves as claimed in claim 1, it is characterised in that described
The appraisal procedure of unauthorized frequency range carrier wave also includes:
This enode b transmission renewal message is to this subscriber equipment, to notify this at least one unauthorized frequency range
Carrier wave can service condition.
The appraisal procedure of 14. unauthorized frequency range carrier waves as claimed in claim 13, it is characterised in that this is more
New message also includes Timing Advance.
The appraisal procedure of 15. unauthorized frequency range carrier waves as claimed in claim 1, it is characterised in that this evolution
The hand-off message that node B transmits from another enode b obtains this configuration information.
The appraisal procedure of 16. unauthorized frequency range carrier waves as claimed in claim 1, it is characterised in that described
The appraisal procedure of unauthorized frequency range carrier wave also includes:
The transmission of this enode b stops signal to this subscriber equipment, with stop performing transmission this before at least one
The step of guide breath.
The appraisal procedure of 17. 1 kinds of unauthorized frequency range carrier waves, it is characterised in that described unauthorized frequency range carrier wave
Appraisal procedure include:
Enode b transmission configuration information is at least one subscriber equipment, and this configuration information includes time parameter；
According to this configuration information, the reception of this unauthorized frequency range carrier wave of at least one subscriber equipment record at least
Signal intensity instruction information；And
This enode b or mandate assist access node according to this received signal strength indicator information, assessment
One of this at least one unauthorized frequency range carrier wave efficiency of transmission, this mandate assists access node to be linked to this evolution
Node B.
The appraisal procedure of 18. unauthorized frequency range carrier waves as claimed in claim 17, it is characterised in that this is drilled
Entering node B maybe this mandate assists access node according to one of this received signal strength indicator information statistics knot
Really, assessing this efficiency of transmission of this at least one unauthorized frequency range carrier wave, this statistical result is by this at least one use
Family equipment calculates.
The appraisal procedure of 19. unauthorized frequency range carrier waves as claimed in claim 17, it is characterised in that this is drilled
Entering node B maybe this mandate assists access node according to one of this received signal strength indicator information statistics knot
Really, assessing this efficiency of transmission of this at least one unauthorized frequency range carrier wave, this statistical result is by this enode
B maybe this mandate assists access node to calculate.
The appraisal procedure of 20. unauthorized frequency range carrier waves as claimed in claim 17, it is characterised in that this is drilled
Enter node B by authorizing frequency range carrier wave to transmit this configuration information to this at least one subscriber equipment.
The appraisal procedure of 21. unauthorized frequency range carrier waves as claimed in claim 17, it is characterised in that this is extremely
The quantity of a few unauthorized frequency range carrier wave is multiple, and this configuration information also includes frequency range configuration parameter.
The appraisal procedure of 22. unauthorized frequency range carrier waves as claimed in claim 17, it is characterised in that this time
Between parameter comprise at least one assessment during, respectively this at least one assessment during comprise multiple cycle, respectively this cycle
Sequentially comprising channel detection period and data transmission period, this channel detection period is in order to carry out the inspection of null tone road
Ranging sequence, these data transmission period is in order to transmit data.
23. 1 kinds of enode bs, it is characterised in that described enode b includes:
This enode b receives the reception of at least one unauthorized frequency range carrier wave of at least one subscriber equipment transmission
Signal intensity instruction information or receive by this at least one unauthorized frequency range carrier wave transmitted at least one leading
Message；And
This enode b is according to this received signal strength indicator information or this at least one leading message, assessment
The efficiency of transmission of this at least one unauthorized frequency range carrier wave.
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201562147617P | 2015-04-15 | 2015-04-15 | |
| US62/147,617 | 2015-04-15 | ||
| US15/086,161 | 2016-03-31 | ||
| TW105110352 | 2016-03-31 | ||
| TW105110352A TWI595800B (en) | 2015-04-15 | 2016-03-31 | Evaluate method for unlicensed carrier and evolved node b using the same |
| US15/086,161 US20160309335A1 (en) | 2015-04-15 | 2016-03-31 | Unlicensed carrier evaluating method and evolved node b using the same |
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| CN106060861A true CN106060861A (en) | 2016-10-26 |
| CN106060861B CN106060861B (en) | 2019-12-31 |
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| CN201610230188.8A Active CN106060861B (en) | 2015-04-15 | 2016-04-14 | Evaluation method of unlicensed frequency band carrier and evolution node applying same |
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