CN103596193B - Signal Regulation method, Home eNodeB and the terminal of a kind of Home eNodeB - Google Patents
Signal Regulation method, Home eNodeB and the terminal of a kind of Home eNodeB Download PDFInfo
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- CN103596193B CN103596193B CN201310625344.7A CN201310625344A CN103596193B CN 103596193 B CN103596193 B CN 103596193B CN 201310625344 A CN201310625344 A CN 201310625344A CN 103596193 B CN103596193 B CN 103596193B
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Abstract
The invention discloses Signal Regulation method, Home eNodeB and the terminal of a kind of Home eNodeB, relate to wireless communication field, the problem that the Home eNodeB coverage that can solve the problem that is not enough and signal leaks, described method includes: receive at least one signal strength information that terminal sends, and carries signal intensity less than the signal intensity on the position of the default ratio of maximum signal in each signal strength information；At least one band of position corresponding with described antenna amount is divided according to antenna amount；Calculate the band of position at each signal intensity correspondence position place；Adding up the marginal signal strength in each band of position respectively, described marginal signal strength is the signal intensity that in the band of position, signal intensity is minimum；Difference according to each marginal signal strength Yu preset signal strength determines coverage evaluating parameter；Show described coverage evaluating parameter, in order to user regulates femtocell positions according to described coverage evaluating parameter.During present invention is mainly applied to Home eNodeB deployment.
Description
Technical field
The present invention relates to wireless communication field, particularly relate to a kind of Signal Regulation method of Home eNodeB, family
Base station and terminal.
Background technology
Home eNodeB, also referred to as femtometer cellular basestation, for providing the mobile voice strengthened for in-door covering
And data service, and due to its good spectral performance, and by the extensive application of industry.But, family
Station technology is still at an early stage, and Home eNodeB is disposed by user due to the restriction of the condition such as space, radiation
Behind an irrational position, such as corner, wall, windowsill etc., cause signal away from user, by body of wall
Penetration loss, to problems such as outdoor leakages, not only do not reach and indoor good covering be also possible to outdoor use
Family forms interference.
For the problems referred to above, the existing technical scheme about Home eNodeB optimization mainly has two kinds: one, adopt
The interference between Home eNodeB and macro base station is avoided by the method for frequency spectrum resource distribution.Concrete, according to difference
The factors such as base station signal quality on each section of frequency spectrum, number of users, User Priority, calculate different spectral
Return obtained by allocative decision, according to certain strategy and reporting requirements, between macro base station and Home eNodeB
Carry out the optimized distribution of frequency spectrum.Two, the method using power to control improves covering quality and customer service speed.
Concrete, when user is in different channels, according to the demand of channel signal strength height and customer service it is
User sets rational base station or terminal transmission power, to realize utility of power maximization and to reduce and grand base
Interference between standing.
During stating the Signal Regulation of Home eNodeB in realization, inventor finds at least to deposit in prior art
In following problem: use the method for frequency spectrum distribution can solve the interference between Home eNodeB and macro base station, but
It it is the coverage that can not promote Home eNodeB itself, it is impossible to the place (such as corner) that enhancing signal is more weak.By
Restricted in the watt level of Home eNodeB itself, the method therefore using power to control easily is increasing power
While so that the coverage of Home eNodeB moves on to, beyond inhabitation scope, cause signal to leak.
Summary of the invention
Embodiments of the invention provide Signal Regulation method, Home eNodeB and the terminal of a kind of Home eNodeB, energy
The problem that enough Home eNodeB coverages solved are not enough and signal leaks.
First aspect, the invention provides a kind of Signal Regulation method of Home eNodeB, and described method includes:
Receive at least one signal strength information that terminal sends, each signal strength information carries signal
Intensity is less than the signal intensity on the position of the default ratio of maximum signal；
At least one band of position corresponding with described antenna amount is divided according to antenna amount；
Calculate the band of position at each signal intensity correspondence position place；
Adding up the marginal signal strength in each band of position respectively, described marginal signal strength is the band of position
The signal intensity that middle signal intensity is minimum；
Difference according to each marginal signal strength Yu preset signal strength determines coverage evaluating parameter；
Show described coverage evaluating parameter, in order to user regulates Home eNodeB position according to described coverage evaluating parameter
Put.
Second aspect, present invention also offers a kind of Signal Regulation method of Home eNodeB, and described method includes:
Signal intensity between monitoring terminal and Home eNodeB；
If described signal intensity is less than the default ratio of maximum signal, then send to described Home eNodeB
Signal strength information, carries current signal intensity in described signal strength information.
The third aspect, present invention also offers a kind of Home eNodeB, and described Home eNodeB includes:
Receiving unit, for receiving at least one signal strength information that terminal sends, each signal intensity is believed
Breath carries signal intensity less than the signal intensity on the position of the default ratio of maximum signal；
Division unit, for dividing at least one lane place corresponding with described antenna amount according to antenna amount
Territory；
Computing unit, for calculating the lane place receiving each signal intensity correspondence position place that unit receives
Territory；
Statistic unit, for adding up the edge letter in each band of position that described computing unit calculates respectively
Number intensity, described marginal signal strength is the signal intensity that in the band of position, signal intensity is minimum；
First determines unit, and each marginal signal strength being used for calculating according to described statistic unit is with default
The difference of signal intensity determines coverage evaluating parameter；
Display unit, for showing that described first determines the described coverage evaluating parameter that unit determines, in order to uses
Family regulates femtocell positions according to described coverage evaluating parameter.
Fourth aspect, present invention also offers a kind of terminal, and described terminal includes:
Monitoring means, for the signal intensity between monitoring terminal and Home eNodeB；
Transmitting element, is less than maximum signal for the described signal intensity monitored when described monitoring means
Default ratio, then to described Home eNodeB strength of transmitted signals information, described signal strength information carries
There is current signal intensity.
Signal Regulation method, Home eNodeB and the terminal of the Home eNodeB that the present invention provides, it is possible to according to antenna
Quantity divides each signal intensity carried in the band of position, and at least one signal strength information that will receive
Correspond in each band of position, after the minimum signal strength in adding up each band of position, according to often
Individual marginal signal strength determines coverage evaluating parameter with the difference of preset signal strength, in order to user is according to described
Coverage evaluating parameter regulation femtocell positions.In prior art, the Signal Regulation to Home eNodeB is used to adopt
The method controlled with method and the power of frequency spectrum resource distribution, is merely able to before not changing femtocell positions
Put, regulation frequency spectrum resource and power.In the present invention, by showing calculated coverage evaluating parameter,
User can be made to know, and the putting position of current home base station is the most reasonable, and coverage evaluating parameter is the highest the suitableeest
In putting.User can solve the problem that what coverage deficiency and signal leaked by the position of regulation Home eNodeB
Problem.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to enforcement
In example or description of the prior art, the required accompanying drawing used is briefly described, it should be apparent that, describe below
In accompanying drawing be only some embodiments of the present invention, for those of ordinary skill in the art, do not paying
On the premise of going out creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the flow chart of the Signal Regulation method of first Home eNodeB in the embodiment of the present invention；
Fig. 2 is the division schematic diagram of the band of position in the embodiment of the present invention；
Fig. 3 is the flow chart of the Signal Regulation method of second Home eNodeB in the embodiment of the present invention；
Fig. 4 is the flow chart of the Signal Regulation method of the 3rd Home eNodeB in the embodiment of the present invention；
Fig. 5 is the flow chart of the Signal Regulation method of the 4th Home eNodeB in the embodiment of the present invention；
Fig. 6 is the flow chart of the Signal Regulation method of the 5th Home eNodeB in the embodiment of the present invention；
Fig. 7 is the structural representation of first Home eNodeB in the embodiment of the present invention；
Fig. 8 is the structural representation of second Home eNodeB in the embodiment of the present invention；
Fig. 9 is the structural representation of the 3rd Home eNodeB in the embodiment of the present invention；
Figure 10 is the structural representation of the 4th Home eNodeB in the embodiment of the present invention；
Figure 11 is the structural representation of a terminal in the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clearly
Chu, be fully described by, it is clear that described embodiment be only a part of embodiment of the present invention rather than
Whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creation
The every other embodiment obtained under property work premise, broadly falls into the scope of protection of the invention.
Embodiments providing a kind of Signal Regulation method of Home eNodeB, described method is applied to family
In base station, as it is shown in figure 1, described method includes:
At least one signal strength information that step 101, reception terminal send, takes in each signal strength information
With signal intensity less than the signal intensity on the position of the default ratio of maximum signal.
Signal strength information concretely but is not limited to speech call information.Signal intensity is used for representing that terminal is sent out
Go out the signal intensity in each antenna element on described signal strength information position.Signal intensity is with one
The plural form of physical signalling vector represents, any one signal intensity uk=(uk,1,uk,2...uk,N), wherein N
For the sum of Home eNodeB antenna oscillator, the signal intensity in each antenna element can be by existing formulaIt is calculated, | uk,i| it is signal amplitude, φiIt it is signal phase.
Step 102, divide at least one band of position corresponding with antenna amount according to antenna amount.
Position according to GPS, as in figure 2 it is shown, with direct north for normal 0 °, the most logically by whole
The horizontal section of individual overlay area is divided into N-1 the fan-shaped band of position, and N is Home eNodeB antenna oscillator
Sum, each sector angle is 2 π/(N-1), and therefore the central angle of ith zone is θi=(2i+1) π/(N-1).
Step 103, calculate the band of position at each signal intensity correspondence position place.
Assuming that Home eNodeB receives altogether K measurement report, physical signalling is designated as u successively1..uk..uK, to often
Individual signal uk, estimating the band of position at each signal intensity correspondence position place, i.e. user sends signal ukTime
The position of Home eNodeB relatively.The band of position at its place can be determined by calculating the angle that arrives of each signal,
Concrete: calculate ukCorrelation matrixCalculate againWherein I=1～N, θiIt it is the central angle of each band of position.AiFor
Represent the signal intensity in the antenna element that a signal intensity comprises, from A1-AnIn find out maximum AiGeneration
Table signal intensity ukThe band of position at place.Angle is arrived, it is possible to determine that each signal intensity is corresponding by calculating
The band of position at place, position.Additionally, due to the area of each region i is the least in home environment, institute
The angle relative to Home eNodeB normal all can be approximately considered as θ when being in region i any point with useri.So
Determine that user sends signal ukTime residing region i and relative angle θi。
Step 104, adding up the marginal signal strength in each band of position respectively, marginal signal strength is position
The signal intensity that in region, signal intensity is minimum.
Owing to band of position i may send multiple signal uk, therefore take signal intensity in the i of the band of position minimum
AiAs marginal signal strength Ri。
Step 105, difference according to each marginal signal strength Yu preset signal strength determine that coverage evaluating is joined
Number.
Preset signal strength RbestCan be configured according to common network signal intensity, as being set to 4db.For
Coverage evaluating parameter AD arranges span, and then i.e. can determine that according to AD position in span and work as
The riding position of front Home eNodeB is the most reasonable.Span such as 0 < AD < 100.Each marginal signal strength with
The difference of preset signal strength determines that the formula of coverage evaluating parameter is as follows:Its
Middle i=1～N-1.
Step 106, display coverage evaluating parameter, in order to user regulates Home eNodeB position according to coverage evaluating parameter
Put.
Coverage evaluating parameter is shown by the display screen of Home eNodeB, the highest table of coverage evaluating parameter values
Show that Home eNodeB deployed position is the most reasonable.
If mark is less than predetermined value (such as less than 50), then carried by unconventional display mode by display screen
Show that user, unconventional mode include: the mode such as flash, highlight.
Signal Regulation method, Home eNodeB and the terminal of the Home eNodeB that the embodiment of the present invention provides, it is possible to root
The each letter carried in the band of position, and at least one signal strength information that will receive is divided according to antenna amount
Number intensity corresponds in each band of position, after the minimum signal strength in adding up each band of position,
Difference according to each marginal signal strength Yu preset signal strength determines coverage evaluating parameter, in order to Yong Hugen
Femtocell positions is regulated according to described coverage evaluating parameter.In prior art, use the signal to Home eNodeB
Regulation uses method and the method for power control of frequency spectrum resource distribution, is merely able to do not changing Home eNodeB position
On the premise of putting, regulation frequency spectrum resource and power.In the present invention, by showing that calculated covering is commented
Estimate parameter, it is possible to the putting position of current home base station is the most reasonable to make user know, coverage evaluating parameter is more
Gao Zeyue is suitable to put.By the position of regulation Home eNodeB, user can solve the problem that coverage is not enough and believes
The problem that extra is let out.
In use, inventor also finds following problems, very strong another local simultaneously of indoor local signal
Signal is the most weak, and when improving the power of Home eNodeB at the signal quality making up the most weak local of signal, meeting exists
There is the problem that signal is excessive in the position that original signal is the strongest.In order to solve the problems referred to above, the embodiment of the present invention is also
Provide a kind of Signal Regulation method of Home eNodeB, further illustrate as to method shown in Fig. 1, as
Shown in Fig. 3, described method also includes:
Step 201, the minimum edge signal intensity searched in whole marginal signal strength.
In the margin signal that N-1 band of position is corresponding, search the marginal signal strength that numerical value is minimum, make
For minimum edge signal intensity Rx.
Step 202, by the central angle θ of minimum edge signal intensity Rx position region xxCorresponding antenna
The yield value in a period of time is defined as the first yield value.
As a citing, the first yield value gxMay be configured as 1.
Step 203, determine remaining according to remaining each marginal signal strength Ri and minimum edge intensity Rx respectively
Second yield value of the antenna element that the central angle in region, each marginal signal strength position is corresponding.
If the first yield value is set to 1, the most each central angle θiAntenna gain be gi=Rx/Ri.Finally give each
Set G=[the g of the antenna gain that central angle is corresponding1,...,gN-1]。
Step 204, determine the weights of each antenna element according to the first yield value and the second yield value.
Different aerial arrays calculates the method for weights and is not quite similar, and the present embodiment is only made with circular array antenna
For citing, the process calculating weights is described.Weights ω=(A AH)-1A G, wherein
A=[a1,...ai,...aN-1],
Step 205, according to weights regulate each antenna element output.
The Signal Regulation method of the Home eNodeB that the embodiment of the present invention provides, it is possible to exist by arranging aerial radiation
Angle, θ1,θ2...θN-1Gain optimize the covering of Home eNodeB.After regulation Antenna array weight, optional position
The marginal signal strength R of region iiAll close to Rx.After regulation antenna gain, it is possible to overcome indoor signal
The problem that intensity is uneven.
The embodiment of the present invention additionally provides a kind of Signal Regulation method of Home eNodeB, as to side shown in Fig. 1
Further illustrating of method, as shown in Figure 4, described method also includes:
Step 301, according to preset signal strength RbestWith the difference of each marginal signal strength, determine each limit
The regulation power of the antenna element that edge signal intensity is corresponding.
Step 302, regulate the power of each antenna element respectively according to each regulation power.
Assume that the current transmitting power of Home eNodeB is F1, power adjustments is by Home eNodeB
F2=F1+(Rbest-Rx) so that the marginal signal strength in each region all becomes Rbest。
The Signal Regulation method of a kind of Home eNodeB that the embodiment of the present invention provides, it is possible to make indoor edge everywhere
The signal intensity covered is preset signal strength, in the case of ensureing that no signal is excessive, improves indoor whole
Body signal intensity.
The embodiment of the present invention additionally provides a kind of Signal Regulation method of Home eNodeB, as to side shown in Fig. 1
Further describing of method, as it is shown in figure 5, described method also includes:
Step 401, according to predetermined period monitoring coverage in terminal incision operation or cut out operation, incision
Operation, for being switched to the operation of Home eNodeB from macro base station, cuts out operation for be switched to macro base station from Home eNodeB
Operation.
Predetermined period such as 1 hour.When the signal intensity of home base station network is less than normal value, terminal will be with
Macro base station is attached, and i.e. cuts out operation, and then improves signal quality.
Step 402, acquisition incision operate or cut out the band of position at operation place.
By the way of described in step 102 and step 103, obtain incision operation or cut out the position at operation place
Put region.
If step 403 produces incision operation, then dip antenna array corresponding to region according to preset ratio
The gain of son.
The 10 of preset ratio such as current antenna gain.
If step 404 produces and cuts out operation, then increase, according to preset ratio, the antenna array that the band of position is corresponding
The gain of son.
The 10 of preset ratio such as antenna current gain.
Step 405, according to amended gain, determine the weights of the antenna element corresponding with gain.
Determine that the weights of antenna element can reach the effect being adjusted the power of antenna element, and then subtract
Cause incision and signal intensity too low causing to be cut less in the coverage of Home eNodeB owing to signal intensity is too high
Go out, it is to avoid macro base station is produced interference.
The embodiment of the present invention additionally provides a kind of Signal Regulation method of Home eNodeB, and described method is applied to end
In end, as shown in Figure 6, described method includes:
Signal intensity between step 501, monitoring terminal and Home eNodeB.
If step 502 signal intensity is less than the default ratio of maximum signal, then send to Home eNodeB
Signal strength information, carries current signal intensity in signal strength information.
When end is in the coverage of Home eNodeB, the Home eNodeB that real-time monitoring terminal receives
Signal intensity.Preset ratio such as 50 percent.When family's base station signal is less than what Home eNodeB can provide
During the preset ratio of peak signal, terminal automatically or points out user's type hand Home eNodeB to send out by prompting mode
Send signal strength information.Signal strength information can trigger by the way of call operation.
The Signal Regulation method of the Home eNodeB that the embodiment of the present invention provides, it is possible to according to the family's base monitored
The size of the signal intensity stood, it is determined whether to Home eNodeB strength of transmitted signals information.Little at signal intensity
When the default ratio of maximum signal, send current signal intensity to Home eNodeB, it is possible to make family
Base station is in Home eNodeB coverage, and the signal of the band of position that signal is more weak is adjusted, and makes family's base
The signal intensity regulation stood is more targeted.
The embodiment of the present invention additionally provides a kind of Home eNodeB, as it is shown in fig. 7, described Home eNodeB is for real
Existing method shown in Fig. 1, described Home eNodeB includes:
Receive unit 61, for receiving at least one signal strength information that terminal sends, each signal intensity
Information carries signal intensity less than the signal intensity on the position of the default ratio of maximum signal.
Division unit 62, for dividing at least one position corresponding with described antenna amount according to antenna amount
Region.
Computing unit 63, for calculating the position receiving each signal intensity correspondence position place that unit 61 receives
Put region.
Statistic unit 64, for adding up the limit in each band of position that described computing unit 63 calculates respectively
Edge signal intensity, described marginal signal strength is the signal intensity that in the band of position, signal intensity is minimum.
First determines unit 65, for each marginal signal strength of calculating according to described statistic unit 64 with
The difference of preset signal strength determines coverage evaluating parameter.
Display unit 66, for showing that described first determines the described coverage evaluating parameter that unit 65 determines, with
Just user regulates femtocell positions according to described coverage evaluating parameter.
Further, as shown in Figure 8, described Home eNodeB also includes:
Search unit 71, for searching the minimum edge signal intensity in whole marginal signal strength.
Second determines unit 72, for the described minimum edge signal intensity found by described lookup unit 71
The yield value of the antenna element that the central angle in region, position is corresponding is defined as the first yield value.
3rd determines unit 73, for strong with described minimum edge according to remaining each marginal signal strength respectively
Degree determines the second increasing of the antenna element that the central angle in remaining region, each marginal signal strength position is corresponding
Benefit value.
4th determines unit 74, for according to described second determine described first yield value that unit 72 obtains and
Described 3rd determines that described second yield value that unit 73 obtains determines the weights of each antenna element.
According to the described 4th, first regulation unit 75, for determining that the described weights regulation that unit 74 obtains is each
The output of antenna element.
Further, as it is shown in figure 9, described Home eNodeB also includes:
5th determines unit 81, for the difference according to described preset signal strength Yu each marginal signal strength,
Determine the regulation power of the antenna element that each marginal signal strength is corresponding.
Second regulation unit 82, for determining, according to the described 5th, each regulation power difference that unit 81 obtains
Regulate the power of each antenna element.
Further, as shown in Figure 10, described Home eNodeB also includes:
Monitoring means 91, for operating according to the terminal incision in predetermined period monitoring coverage or cut out behaviour
Make, described incision operation for being switched to the operation of Home eNodeB from macro base station, described in cut out operation for from family
Base station is switched to the operation of macro base station.
Acquiring unit 92, the described incision monitored for obtaining described monitoring means 91 operates or cuts out operation
The band of position at place.
3rd regulation unit 93, for when producing incision operation, reducing described lane place according to preset ratio
The gain of the antenna element that territory is corresponding.
4th regulation unit 94, for when generation cuts out operation, increases described lane place according to preset ratio
The gain of the antenna element that territory is corresponding.
6th determines unit 95, for amended according to the 3rd regulation unit 93 or the 4th regulation unit 94
Gain, determines the weights of the antenna element corresponding with described gain.
The embodiment of the present invention additionally provides a kind of terminal, and as shown in figure 11, described terminal is used for implementing Fig. 6 institute
The method shown, described terminal includes:
Monitoring means 1001, for the signal intensity between monitoring terminal and Home eNodeB；
Transmitting element 1002, is less than maximum for the described signal intensity monitored when described monitoring means 1001
The default ratio of signal intensity, then to described Home eNodeB strength of transmitted signals information, described signal intensity is believed
Breath carries current signal intensity.
Those skilled in the art is it can be understood that arrive, for convenience and simplicity of description, only with above-mentioned
The division of each functional module is illustrated, and in actual application, can above-mentioned functions be divided as desired
Join and completed by different functional modules, the internal structure of device will be divided into different functional modules, with complete
Become all or part of function described above.The specific works mistake of the system of foregoing description, device and unit
Journey, is referred to the corresponding process in preceding method embodiment, does not repeats them here.
The above, the only detailed description of the invention of the present invention, but protection scope of the present invention is not limited to
This, any those familiar with the art, in the technical scope that the invention discloses, can readily occur in
Change or replacement, all should contain within protection scope of the present invention.Therefore, protection scope of the present invention should
Described it is as the criterion with scope of the claims.
Claims (6)
1. the Signal Regulation method of a Home eNodeB, it is characterised in that described method includes:
Receive at least one signal strength information that terminal sends, each signal strength information carries signal
Intensity is less than the signal intensity on the position of the default ratio of maximum signal；
At least one band of position corresponding with described antenna amount is divided according to antenna amount；
Calculate the band of position at each signal intensity correspondence position place；
Adding up the marginal signal strength in each band of position respectively, described marginal signal strength is the band of position
The signal intensity that middle signal intensity is minimum；
Difference according to each marginal signal strength Yu preset signal strength determines coverage evaluating parameter；
Show described coverage evaluating parameter, in order to user regulates Home eNodeB position according to described coverage evaluating parameter
Put；
Search the minimum edge signal intensity in whole marginal signal strength；
Yield value by antenna element corresponding for the central angle in region, described minimum edge signal intensity position
It is defined as the first yield value；
Determine that remaining each edge is believed according to remaining each marginal signal strength and described minimum edge intensity respectively
Second yield value of the antenna element that the central angle in number region, intensity position is corresponding；
The weights of each antenna element are determined according to described first yield value and the second yield value；
The output of each antenna element is regulated according to described weights；
Wherein, determine that coverage evaluating parameter has according to the difference of each marginal signal strength Yu preset signal strength
Body includes: according to formulaCalculate described coverage evaluating parameter；Described AD
For coverage evaluating parameter, described RiFor the marginal signal strength of the i-th band of position, RbestStrong for preset signals
Degree, N is band of position quantity.
The Signal Regulation method of Home eNodeB the most according to claim 1, it is characterised in that described side
Method also includes:
According to the difference of described preset signal strength Yu each marginal signal strength, determine that each margin signal is strong
The regulation power of the antenna element that degree is corresponding；
The power of each antenna element is regulated respectively according to each regulation power.
The Signal Regulation method of Home eNodeB the most according to claim 2, it is characterised in that described side
Method also includes:
Operating or cut out operation according to the terminal incision in predetermined period monitoring coverage, described incision operates
For being switched to the operation of Home eNodeB from macro base station, described in cut out operation for be switched to macro base station from Home eNodeB
Operation；
Obtain described incision operation or cut out the band of position at operation place；
If producing incision operation, then reduce antenna element corresponding to the described band of position according to preset ratio
Gain；
If producing and cutting out operation, then increase antenna element corresponding to the described band of position according to preset ratio
Gain；
According to amended gain, determine the weights of the antenna element corresponding with described gain.
4. a Home eNodeB, it is characterised in that described Home eNodeB includes:
Receiving unit, for receiving at least one signal strength information that terminal sends, each signal intensity is believed
Breath carries signal intensity less than the signal intensity on the position of the default ratio of maximum signal；
Division unit, for dividing at least one lane place corresponding with described antenna amount according to antenna amount
Territory；
Computing unit, for calculating the lane place receiving each signal intensity correspondence position place that unit receives
Territory；
Statistic unit, for adding up the edge letter in each band of position that described computing unit calculates respectively
Number intensity, described marginal signal strength is the signal intensity that in the band of position, signal intensity is minimum；
First determines unit, and each marginal signal strength being used for calculating according to described statistic unit is with default
The difference of signal intensity determines coverage evaluating parameter；
Display unit, for showing that described first determines the described coverage evaluating parameter that unit determines, in order to uses
Family regulates femtocell positions according to described coverage evaluating parameter；
Search unit, for searching the minimum edge signal intensity in whole marginal signal strength；
Second determines unit, for the described minimum edge signal intensity place found by described lookup unit
The yield value of the antenna element that the central angle of the band of position is corresponding is defined as the first yield value；
3rd determines unit, for respectively according to remaining each marginal signal strength and described minimum edge intensity
Determine the second gain of the antenna element that the central angle in remaining region, each marginal signal strength position is corresponding
Value；
4th determines unit, for determining described first yield value that unit obtains and described according to described second
3rd determines that described second yield value that unit obtains determines the weights of each antenna element；
According to the described 4th, first regulation unit, for determining that the described weights that unit obtains regulate each antenna
The output in a period of time；
Wherein, described computing unit is specifically for according to formulaCalculate described
Coverage evaluating parameter；Described AD is coverage evaluating parameter, described RiMargin signal for the i-th band of position
Intensity, RbestFor preset signal strength, N is band of position quantity.
Home eNodeB the most according to claim 4, it is characterised in that described Home eNodeB also includes:
5th determines unit, for the difference according to described preset signal strength Yu each marginal signal strength,
Determine the regulation power of the antenna element that each marginal signal strength is corresponding；
According to the described 5th, second regulation unit, for determining that each regulation power that unit obtains regulates respectively
The power of each antenna element.
Home eNodeB the most according to claim 5, it is characterised in that described Home eNodeB also includes:
Monitoring means, for operating according to the terminal incision in predetermined period monitoring coverage or cut out operation,
Described incision operation for being switched to the operation of Home eNodeB from macro base station, described in cut out operation for from Home eNodeB
It is switched to the operation of macro base station；
Acquiring unit, the described incision monitored for obtaining described monitoring means operates or cuts out operation place
The band of position；
3rd regulation unit, for when producing incision operation, reducing the described band of position according to preset ratio
The gain of corresponding antenna element；
4th regulation unit, for when generation cuts out operation, increases the described band of position according to preset ratio
The gain of corresponding antenna element；
6th determines unit, for regulating the amended gain of unit according to the 3rd regulation unit or the 4th, really
The weights of the fixed antenna element corresponding with described gain.
Priority Applications (1)
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