CN106372387B - A kind of acquisition methods and device of aerial signal - Google Patents
A kind of acquisition methods and device of aerial signal Download PDFInfo
- Publication number
- CN106372387B CN106372387B CN201610716337.1A CN201610716337A CN106372387B CN 106372387 B CN106372387 B CN 106372387B CN 201610716337 A CN201610716337 A CN 201610716337A CN 106372387 B CN106372387 B CN 106372387B
- Authority
- CN
- China
- Prior art keywords
- user equipment
- array element
- vector
- weight vector
- distance
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- G—PHYSICS
- G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
- G16Z—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS, NOT OTHERWISE PROVIDED FOR
- G16Z99/00—Subject matter not provided for in other main groups of this subclass
Landscapes
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The embodiment of the invention provides a kind of acquisition methods of aerial signal and devices.On the one hand, the embodiment of the present invention is applied to the antenna including N number of array element, specifically, angle information and the distance between each user equipment and n-th of array element according to user equipment each in M user equipment relative to n-th of array element, obtain the output signal of each array element.Therefore, technical solution provided in an embodiment of the present invention is able to solve the inconsistent problem of each user equipment receives existing for the acquisition methods of existing aerial signal signal power, and in turn caused by system the problem of being difficult to realize maximum system capacity.
Description
[technical field]
The present invention relates to antenna technical field more particularly to the acquisition methods and device of a kind of aerial signal.
[background technique]
Phased array antenna is by carrying out phase weighting to transmitting signal, so that antenna main lobe, which is directed toward, receives user direction.?
Under the conditions of multi-user, by carrying out different weights to each subscriber signal, phased array antenna is capable of forming multiple main lobes, Mei Gezhu
Valve is directed toward corresponding user direction simultaneously.Currently, in a multi-user environment, carrying out phase weighting only by each subscriber signal
Mode obtain the signal of each user equipment.
In realizing process of the present invention, at least there are the following problems in the prior art for inventor's discovery:
In a multi-user environment, the distance between each user equipment and antenna are different, and therefore, pass through existing antenna
The acquisition methods of signal can make the signal power received apart from the closer user equipment of antenna relatively large, and apart from day
The signal power that line user farther out's equipment receives is smaller, thus, the signal power for causing each user equipment to receive is different
It causes, and then since non-constant power receives, so that system cannot achieve maximum system capacity.
[summary of the invention]
In view of this, the embodiment of the invention provides a kind of acquisition methods of aerial signal and device, it is existing to solve
Aerial signal acquisition methods existing for the inconsistent problem of the signal power that receives of each user equipment, and cause in turn
System the problem of being difficult to realize maximum system capacity.
On the one hand, the embodiment of the invention provides a kind of acquisition methods of aerial signal, applied to the day including N number of array element
Line, N are the integer greater than 1；
The described method includes:
Angle information and each user equipment according to user equipment each in M user equipment relative to n-th of array element
The distance between n-th of array element obtains the output signal of each array element；
The value range of n is 1 to N.
The aspect and any possible implementation manners as described above, it is further provided a kind of implementation, according to M user
In equipment each user equipment relative between the angle information and each user equipment and n-th of array element of n-th of array element away from
From obtaining the output signal of each array element, comprising:
Angle information and each user equipment according to user equipment each in M user equipment relative to n-th of array element
The distance between n-th of array element obtains the weight vector of each user equipment；
According to the input signal of the weight vector of each user equipment and each user equipment, the output letter of each array element is obtained
Number.
The aspect and any possible implementation manners as described above, it is further provided a kind of implementation, according to M user
In equipment each user equipment relative between the angle information and each user equipment and n-th of array element of n-th of array element away from
From obtaining the weight vector of each user equipment, comprising:
Angle information according to m-th of user equipment relative to n-th of array element obtains the direction arrow of m-th of user equipment
Amount, the value range of m are 1 to M；
According to the distance between m-th of user equipment and n-th of array element, the vector parameters of m-th of user equipment are obtained；
According to the vector parameters of the direction vector of m-th user equipment and m-th of user equipment, obtains m-th of user and set
Standby weight vector.
The aspect and any possible implementation manners as described above, it is further provided a kind of implementation utilizes following public affairs
Formula, the angle information according to m-th of user equipment relative to n-th of array element obtain the direction vector of m-th of user equipment:
Wherein, vmFor the direction vector of m-th of user equipment, j is imaginary unit, θmIt is m-th of user equipment relative to
The angle information of n array element, the value range of n are 1 to N, []TExpression takes transposition.
The aspect and any possible implementation manners as described above, it is further provided a kind of implementation utilizes following public affairs
Formula group obtains the vector parameters of m-th of user equipment according to the distance between m-th of user equipment and n-th of array element:
Wherein, ∝mFor the vector parameters of m-th of user equipment, ∝iFor the vector parameters of i-th of user equipment, i take 1 to
M, lmFor the distance between m-th of user equipment and n-th of array element, liBetween i-th of user equipment and n-th of array element away from
From the value range of m is 1 to M.
The aspect and any possible implementation manners as described above, it is further provided a kind of implementation utilizes following public affairs
Formula obtains the power of m-th of user equipment according to the vector parameters of the direction vector of m-th user equipment and m-th of user equipment
Vector:
wm=∝mvm
Wherein, wmFor the weight vector of m-th of user equipment, ∝mFor the vector parameters of m-th of user equipment, vmIt is m-th
The direction vector of user equipment.
The aspect and any possible implementation manners as described above, it is further provided a kind of implementation utilizes following public affairs
Formula obtains the output signal of each array element according to the input signal of the weight vector of each user equipment and each user:
Wherein, ynIt (t) is the output signal of n-th of array element, wmFor the weight vector of m-th of user equipment, []*Expression takes altogether
Yoke, smIt (t) is the input signal of m-th of user equipment.
The aspect and any possible implementation manners as described above, it is further provided a kind of implementation, the method is also
Include:
The output signal of each array element based on acquisition provides signal to M user equipment.
A technical solution in above-mentioned technical proposal has the following beneficial effects:
The acquisition methods of aerial signal provided by the embodiment of the present invention, applied to the antenna including N number of array element, specifically
, angle information and each user equipment and n-th according to user equipment each in M user equipment relative to n-th of array element
The distance between a array element obtains the output signal of each array element.In the embodiment of the present invention, can according to each user equipment with
Angle and distance between antenna, the signal for being transmitted to each user equipment to antenna optimize, thus in the transmitting of antenna
Under conditions of power is certain, each user equipment constant power is enabled to receive signal, thus, it ensure that power system capacity can achieve
Maximum, also, the embodiment of the present invention does not need to increase hardware cost, and flexibility is higher, it is easy to accomplish, solve existing antenna
The inconsistent problem of the signal power that each user equipment receives existing for the acquisition methods of signal, and caused system in turn
The problem of being difficult to realize maximum system capacity.
On the other hand, the embodiment of the invention provides a kind of acquisition device of aerial signal, applied to including N number of array element
Antenna, N are the integer greater than 1；
Described device includes:
Signature computation unit is believed for the angle according to user equipment each in M user equipment relative to n-th of array element
Breath and the distance between each user equipment and n-th of array element, obtain the output signal of each array element；
The value range of n is 1 to N.
The aspect and any possible implementation manners as described above, it is further provided a kind of implementation, described device is also
Including weight vector computing unit；
The weight vector computing unit, for according to user equipment each in M user equipment relative to n-th array element
Angle information and the distance between each user equipment and n-th of array element, obtain the weight vector of each user equipment；
The signature computation unit, specifically for the input according to the weight vector and each user equipment of each user equipment
Signal obtains the output signal of each array element.
The aspect and any possible implementation manners as described above, it is further provided a kind of implementation, the weight vector
Computing unit is specifically used for:
Angle information according to m-th of user equipment relative to n-th of array element obtains the direction arrow of m-th of user equipment
Amount, the value range of m are 1 to M；
According to the distance between m-th of user equipment and n-th of array element, the vector parameters of m-th of user equipment are obtained；
According to the vector parameters of the direction vector of m-th user equipment and m-th of user equipment, obtains m-th of user and set
Standby weight vector.
The aspect and any possible implementation manners as described above, it is further provided a kind of implementation, described device, tool
Body is used for:
Using following formula, angle information according to m-th of user equipment relative to n-th of array element obtains m-th of user
The direction vector of equipment:
Wherein, vmFor the direction vector of m-th of user equipment, j is imaginary unit, θmIt is m-th of user equipment relative to
The angle information of n array element, the value range of n are 1 to N, []TExpression takes transposition.
The aspect and any possible implementation manners as described above, it is further provided a kind of implementation, the weight vector
Computing unit is specifically used for:
It obtains m-th of user according to the distance between m-th of user equipment and n-th of array element using following formula group and sets
Standby vector parameters:
Wherein, ∝mFor the vector parameters of m-th of user equipment, ∝iFor the vector parameters of i-th of user equipment, i take 1 to
M, lmFor the distance between m-th of user equipment and n-th of array element, liBetween i-th of user equipment and n-th of array element away from
From the value range of m is 1 to M.
The aspect and any possible implementation manners as described above, it is further provided a kind of implementation, the weight vector
Computing unit is specifically used for:
Using following formula, according to the vector parameters of the direction vector of m-th user equipment and m-th of user equipment, obtain
Obtain the weight vector of m-th of user equipment:
wm=∝mvm
Wherein, wmFor the weight vector of m-th of user equipment, ∝mFor the vector parameters of m-th of user equipment, vmIt is m-th
The direction vector of user equipment.
The aspect and any possible implementation manners as described above, it is further provided a kind of implementation, the signal meter
Unit is calculated, is specifically used for:
Each battle array is obtained according to the input signal of the weight vector of each user equipment and each user using following formula
The output signal of member:
Wherein, ynIt (t) is the output signal of n-th of array element, wmFor the weight vector of m-th of user equipment, []*Expression takes altogether
Yoke, smIt (t) is the input signal of m-th of user equipment.
The aspect and any possible implementation manners as described above, it is further provided a kind of implementation, described device, also
Include:
Control unit controls each array element and mentions to M user equipment for the output signal of each array element based on acquisition
For signal.
A technical solution in above-mentioned technical proposal has the following beneficial effects:
The acquisition device of aerial signal provided by the embodiment of the present invention, applied to the antenna including N number of array element, specifically
, according to user equipment each in M user relative to the angle information of n-th array element and each user equipment and n-th gust
The distance between member obtains the output signal of each array element.It, can be according to each user equipment and antenna in the embodiment of the present invention
Between angle and distance, the signal for being transmitted to each user equipment to antenna optimizes, thus in the transmission power of antenna
Under conditions of certain, each user equipment constant power is enabled to receive signal, thus, it ensure that power system capacity can achieve most
Greatly, also, the embodiment of the present invention does not need to increase hardware cost, and flexibility is higher, it is easy to accomplish, solve existing antenna letter
Number acquisition methods existing for the inconsistent problem of the signal power that receives of each user equipment, and in turn caused by system it is difficult
The problem of to realize maximum system capacity.
[Detailed description of the invention]
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for this field
For those of ordinary skill, without any creative labor, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is that even linear array layout and signal emit relation schematic diagram；
Fig. 2 is the flow diagram that one embodiment of aerial signal is obtained in the embodiment of the present invention；
Fig. 3 is the flow diagram that the weight vector of each user equipment is obtained in the embodiment of the present invention；
Fig. 4 is antenna weighting method schematic diagram in the embodiment of the present invention；
Fig. 5 is antenna system configuration block diagram in the embodiment of the present invention；
Fig. 6 is the functional block diagram of the acquisition device of aerial signal provided by the embodiment of the present invention.
[specific embodiment]
For a better understanding of the technical solution of the present invention, being retouched in detail to the embodiment of the present invention with reference to the accompanying drawing
It states.
It will be appreciated that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
Its embodiment, shall fall within the protection scope of the present invention.
The term used in embodiments of the present invention is only to be not intended to be limiting merely for for the purpose of describing particular embodiments
The present invention.In the embodiment of the present invention and the "an" of singular used in the attached claims, " described " and "the"
It is also intended to including most forms, unless the context clearly indicates other meaning.
It should be appreciated that term "and/or" used herein is only a kind of incidence relation for describing affiliated partner, indicate
There may be three kinds of relationships, for example, A and/or B, can indicate: individualism A, exist simultaneously A and B, individualism B these three
Situation.In addition, character "/" herein, typicallys represent the relationship that forward-backward correlation object is a kind of "or".
Depending on context, word as used in this " if " can be construed to " ... when " or " when ...
When " or " in response to determination " or " in response to detection ".Similarly, depend on context, phrase " if it is determined that " or " if detection
(condition or event of statement) " can be construed to " when determining " or " in response to determination " or " when the detection (condition of statement
Or event) when " or " in response to detection (condition or event of statement) ".
Embodiment one
The embodiment of the invention provides a kind of acquisition methods of aerial signal, and applied to the antenna including N number of array element, N is
Integer greater than 1；
This method comprises:
Angle information and each user equipment according to user equipment each in M user equipment relative to n-th of array element
The distance between n-th of array element obtains the output signal of each array element；
The value range of n is 1 to N.
Specifically, referring to FIG. 1, it emits relation schematic diagram for even linear array layout and signal.
As shown in Figure 1, the antenna is even linear array, including N number of array element, N number of array element are uniformly arranged in trunnion axis x-axis,
The distance between every two array element is d.During a concrete implementation, the distance between two array element is day in the antenna
The half of the corresponding wavelength of the carrier frequency of line.
As shown in Figure 1, there is M user equipment in space, the dotted line in Fig. 1 indicates m-th of user equipment relative to n-th
The direction of array element, the angle theta between the direction and vertical axes y-axismAngle for m-th of user equipment relative to n-th of array element
Information.
A technical solution in the embodiment of the present invention has the following beneficial effects:
The acquisition methods of aerial signal provided by the embodiment of the present invention, applied to the antenna including N number of array element, specifically
, angle information and each user equipment and n-th according to user equipment each in M user equipment relative to n-th of array element
The distance between a array element obtains the output signal of each array element.In the embodiment of the present invention, can according to each user equipment with
Angle and distance between antenna, the signal for being transmitted to each user equipment to antenna optimize, thus in the transmitting of antenna
Under conditions of power is certain, each user equipment constant power is enabled to receive signal, thus, it ensure that power system capacity can achieve
Maximum, also, the embodiment of the present invention does not need to increase hardware cost, and flexibility is higher, it is easy to accomplish, solve existing antenna
The inconsistent problem of the signal power that each user equipment receives existing for the acquisition methods of signal, and caused system in turn
The problem of being difficult to realize maximum system capacity.
Embodiment two
Referring to FIG. 2, its flow diagram for one embodiment of acquisition aerial signal in the embodiment of the present invention.Such as figure
Shown in 2, according to user equipment each in M user equipment relative to n-th array element angle information and each user equipment with
The distance between n-th of array element obtains the output signal of each array element, method includes the following steps:
S201, angle information and each user according to user equipment each in M user equipment relative to n-th array element
The distance between equipment and n-th of array element obtain the weight vector of each user equipment.
S202 obtains each array element according to the input signal of the weight vector of each user equipment and each user equipment
Output signal.
A technical solution in the embodiment of the present invention has the following beneficial effects:
In the embodiment of the present invention, antenna can be emitted according to the angle and distance between each user equipment and antenna
It is optimized to the signal of each user equipment, thus under conditions of the transmission power of antenna is certain, so that each user equipment
Can constant power receive signal, thus, ensure that power system capacity can achieve maximum, also, the embodiment of the present invention does not need to increase
Add hardware cost, flexibility is higher, it is easy to accomplish, solve each user equipment existing for the acquisition methods of existing aerial signal
The inconsistent problem of the signal power received, and in turn caused by system the problem of being difficult to realize maximum system capacity.
Embodiment three
Referring to FIG. 3, it is the flow diagram for obtaining the weight vector of each user equipment in the embodiment of the present invention.Such as figure
Shown in 3, method shown in Fig. 3 is to S201 in Fig. 2 " according to user equipment each in M user equipment relative to n-th of array element
Angle information and the distance between each user equipment and n-th of array element, obtain the weight vector of each user equipment " it is specific
Realization process is specifically described, and this method may comprise steps of:
S301, the angle information according to m-th of user equipment relative to n-th of array element obtain the side of m-th of user equipment
To vector.
Specifically, the value range of m is 1 to M in the embodiment of the present invention.
Specifically, in the embodiment of the present invention, using following formula, according to m-th of user equipment relative to n-th array element
Angle information obtains the direction vector of m-th of user equipment:
Wherein, vmFor the direction vector of m-th of user equipment, j is imaginary unit, θmIt is m-th of user equipment relative to
The angle information of n array element, the value range of n are 1 to N, []TExpression takes transposition.
S302 obtains the vector ginseng of m-th of user equipment according to the distance between m-th of user equipment and n-th of array element
Number.
Specifically, in the embodiment of the present invention, using following formula group, according between m-th of user equipment and n-th of array element
Distance, obtain m-th of user equipment vector parameters:
Wherein, ∝mFor the vector parameters of m-th of user equipment, ∝iFor the vector parameters of i-th of user equipment, i take 1 to
M, lmFor the distance between m-th of user equipment and n-th of array element, liBetween i-th of user equipment and n-th of array element away from
From the value range of m is 1 to M.
S303 obtains m-th of use according to the vector parameters of the direction vector of m-th user equipment and m-th of user equipment
The weight vector of family equipment.
Specifically, in the embodiment of the present invention, using following formula, according to the direction vector of m-th user equipment and m-th
The vector parameters of user equipment obtain the weight vector of m-th of user equipment:
wm=∝mvm
Wherein, wmFor the weight vector of m-th of user equipment, ∝mFor the vector parameters of m-th of user equipment, vmIt is m-th
The direction vector of user equipment.
A technical solution in the embodiment of the present invention has the following beneficial effects:
In the embodiment of the present invention, antenna can be emitted according to the angle and distance between each user equipment and antenna
It is optimized to the signal of each user equipment, thus under conditions of the transmission power of antenna is certain, so that each user equipment
Can constant power receive signal, thus, ensure that power system capacity can achieve maximum, also, the embodiment of the present invention does not need to increase
Add hardware cost, flexibility is higher, it is easy to accomplish, solve each user equipment existing for the acquisition methods of existing aerial signal
The inconsistent problem of the signal power received, and in turn caused by system the problem of being difficult to realize maximum system capacity.
Example IV
The embodiment of the present invention " is set for the S202 in embodiment two according to the weight vector of each user equipment and each user
Standby input signal obtains the output signal of each array element " specific implementation process be specifically described.
During a concrete implementation, using following formula, according to the weight vector of each user equipment and each use
The input signal of family equipment obtains the output signal of each array element:
Wherein, ynIt (t) is the output signal of n-th of array element, wmFor the weight vector of m-th of user equipment, []*Expression takes altogether
Yoke, smIt (t) is the input signal of m-th of user equipment.
Specifically, the output signal of each array element is summation of the M user equipment in the output signal of the array element.It please refers to
Fig. 4 is antenna weighting method schematic diagram in the embodiment of the present invention.
As shown in figure 4, s1It (t) is the input signal of the 1st user equipment, sM(t) believe for the input of m-th user equipment
Number, [w11]*Transposition for the 1st user equipment in the weight vector of the 1st array element, [w1N]*It is the 1st user equipment in n-th
The transposition of the weight vector of array element, [wM1]*Transposition for m-th user equipment in the weight vector of the 1st array element, [wMN]*For m-th
Transposition of the user equipment in the weight vector of n-th array element.Shown in Fig. 4Addition relationship is indicated, shown in Fig. 4
Indicate multiplication relationship.
As shown in figure 4, the output signal of array element 1 is s1(t) with [w11]*Product, s2(t) with [w21]*Product ... sM
(t) with [wM1]*The sum of products, that is, the output signal of array element 1 be M user equipment array element 1 output signal it is total
With；Similarly, the output signal of array element N is s1(t) with [w1N]*Product, s2(t) with [w2N]*Product ... sM(t) with
[wMN]*The sum of products, that is, the output signal of array element N is the summation of M user equipment in the output signal of array element N.
In an optional implementation, this method further include: the output signal of each array element based on acquisition, to M
A user equipment provides signal.
Referring to FIG. 5, it is antenna system configuration block diagram in the embodiment of the present invention.
As shown in figure 5, include N number of array element in the antenna, respectively array element 1, array element 2 ..., array element N, have M in space
A user equipment, respectively user equipment 1, user equipment 2 ..., user equipment M, in the embodiment of the present invention, in the antenna
Each array element can output signal, i.e., each array element provides signal to M user equipment.
Specifically, as shown in figure 5, the acquisition device of aerial signal is needed according to each user equipment relative to n-th gust
The angle information θ of member1、θ2、……、θMAnd the distance between each user equipment and n-th of array element l1、l2、……、lM, obtain
The weight vector w of each user equipment1、w1、……、wM.Then, further according to the input signal s of each user equipment1(t)、s2
(t)、……、sM(t) and the weight vector w of each user equipment1、w1、……、wMWeighted calculation as shown in Figure 4 is carried out, with
To the output signal of each array element.
A technical solution in the embodiment of the present invention has the following beneficial effects:
In the embodiment of the present invention, antenna can be emitted according to the angle and distance between each user equipment and antenna
It is optimized to the signal of each user equipment, thus under conditions of the transmission power of antenna is certain, so that each user equipment
Can constant power receive signal, thus, ensure that power system capacity can achieve maximum, also, the embodiment of the present invention does not need to increase
Add hardware cost, flexibility is higher, it is easy to accomplish, solve each user equipment existing for the acquisition methods of existing aerial signal
The inconsistent problem of the signal power received, and in turn caused by system the problem of being difficult to realize maximum system capacity.
Embodiment five
The acquisition methods of aerial signal provided by one based on the above embodiment, the embodiment of the present invention further provide realization
The Installation practice of each step and method in above method embodiment.
The embodiment of the invention provides a kind of acquisition device of aerial signal, and applied to the antenna including N number of array element, N is
Integer greater than 1；
Referring to FIG. 6, its functional block diagram for the acquisition device of aerial signal provided by the embodiment of the present invention, such as
Shown in Fig. 6, which includes:
Signature computation unit 61, for the angle according to user equipment each in M user equipment relative to n-th of array element
Information and the distance between each user equipment and n-th of array element, obtain the output signal of each array element；
The value range of n is 1 to N.
Specifically, the device further includes weight vector computing unit 62 in the embodiment of the present invention；
Weight vector computing unit 62, for the angle according to user equipment each in M user equipment relative to n-th of array element
Information and the distance between each user equipment and n-th of array element are spent, the weight vector of each user equipment is obtained；
Signature computation unit 61, the input specifically for weight vector and each user equipment according to each user equipment are believed
Number, obtain the output signal of each array element.
Specifically, weight vector computing unit 62 is specifically used in the embodiment of the present invention:
Angle information according to m-th of user equipment relative to n-th of array element obtains the direction arrow of m-th of user equipment
Amount, the value range of m are 1 to M；
According to the distance between m-th of user equipment and n-th of array element, the vector parameters of m-th of user equipment are obtained；
According to the vector parameters of the direction vector of m-th user equipment and m-th of user equipment, obtains m-th of user and set
Standby weight vector.
Specifically, weight vector computing unit 62 is specifically used in the embodiment of the present invention:
Using following formula, angle information according to m-th of user equipment relative to n-th of array element obtains m-th of user
The direction vector of equipment:
Wherein, vmFor the direction vector of m-th of user equipment, j is imaginary unit, θmIt is m-th of user equipment relative to
The angle information of n array element, the value range of n are 1 to N, []TExpression takes transposition.
Specifically, weight vector computing unit 62 is specifically used in the embodiment of the present invention:
It obtains m-th of user according to the distance between m-th of user equipment and n-th of array element using following formula group and sets
Standby vector parameters:
Wherein, ∝mFor the vector parameters of m-th of user equipment, ∝iFor the vector parameters of i-th of user equipment, i take 1 to
M, lmFor the distance between m-th of user equipment and n-th of array element, liBetween i-th of user equipment and n-th of array element away from
From the value range of m is 1 to M.
Specifically, weight vector computing unit 62 is specifically used in the embodiment of the present invention:
Using following formula, according to the vector parameters of the direction vector of m-th user equipment and m-th of user equipment, obtain
Obtain the weight vector of m-th of user equipment:
wm=∝mvm
Wherein, wmFor the weight vector of m-th of user equipment, ∝mFor the vector parameters of m-th of user equipment, vmIt is m-th
The direction vector of user equipment.
Specifically, signature computation unit 61 is specifically used in the embodiment of the present invention:
It is obtained every using following formula according to the input signal of the weight vector of each user equipment and each user equipment
The output signal of a array element:
Wherein, ynIt (t) is the output signal of n-th of array element, wmFor the weight vector of m-th of user equipment, []*Expression takes altogether
Yoke, smIt (t) is the input signal of m-th of user equipment.
Specifically, in the embodiment of the present invention, the device further include:
Control unit 63 controls each array element to M user equipment for the output signal of each array element based on acquisition
Signal is provided.
Method shown in embodiment 1 is able to carry out as each unit in this present embodiment, what the present embodiment was not described in detail
Part can refer to the related description to embodiment 1.
A technical solution in the embodiment of the present invention has the following beneficial effects:
The acquisition device of aerial signal provided by the embodiment of the present invention, applied to the antenna including N number of array element, specifically
, angle information and each user equipment and n-th according to user equipment each in M user equipment relative to n-th of array element
The distance between a array element obtains the output signal of each array element.In the embodiment of the present invention, can according to each user equipment with
Angle and distance between antenna, the signal for being transmitted to each user equipment to antenna optimize, thus in the transmitting of antenna
Under conditions of power is certain, each user equipment constant power is enabled to receive signal, thus, it ensure that power system capacity can achieve
Maximum, also, the embodiment of the present invention does not need to increase hardware cost, and flexibility is higher, it is easy to accomplish, solve existing antenna
The inconsistent problem of the signal power that each user equipment receives existing for the acquisition methods of signal, and caused system in turn
The problem of being difficult to realize maximum system capacity.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
In several embodiments provided by the present invention, it should be understood that disclosed system, device and method can be with
It realizes by another way.For example, the apparatus embodiments described above are merely exemplary, for example, the unit
It divides, only a kind of logical function partition, there may be another division manner in actual implementation, for example, multiple units or group
Part can be combined or can be integrated into another system, or some features can be ignored or not executed.Another point, it is shown
Or the mutual coupling, direct-coupling or communication connection discussed can be through some interfaces, device or unit it is indirect
Coupling or communication connection can be electrical property, mechanical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme
's.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list
Member both can take the form of hardware realization, can also realize in the form of hardware adds SFU software functional unit.
The above-mentioned integrated unit being realized in the form of SFU software functional unit can store and computer-readable deposit at one
In storage media.Above-mentioned SFU software functional unit is stored in a storage medium, including some instructions are used so that a computer
It is each that device (can be personal computer, server or network equipment etc.) or processor (Processor) execute the present invention
The part steps of embodiment the method.And storage medium above-mentioned includes: USB flash disk, mobile hard disk, read-only memory (Read-
Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic or disk etc. it is various
It can store the medium of program code.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent substitution, improvement and etc. done be should be included within the scope of the present invention.
Claims (10)
1. a kind of acquisition methods of aerial signal, which is characterized in that applied to the antenna including N number of array element, N is whole greater than 0
Number；
The described method includes:
Angle information and each user equipment and n-th according to user equipment each in M user equipment relative to n-th of array element
The distance between a array element obtains the output signal of each array element；
The value range of n is 1 to N,
Wherein, the angle information and each user equipment according to user equipment each in M user equipment relative to n-th of array element
The distance between n-th of array element obtains the output signal of each array element, comprising:
Angle information and each user equipment and n-th according to user equipment each in M user equipment relative to n-th of array element
The distance between a array element obtains the weight vector of each user equipment；
According to the input signal of the weight vector of each user equipment and each user equipment, the output signal of each array element is obtained；
Angle information and each user equipment and n-th according to user equipment each in M user equipment relative to n-th of array element
The distance between a array element obtains the weight vector of each user equipment, comprising:
Angle information according to m-th of user equipment relative to n-th of array element obtains the direction vector of m-th of user equipment, m
Value range be 1 to M；
According to the distance between m-th of user equipment and n-th of array element, the vector parameters of m-th of user equipment are obtained；
According to the vector parameters of the direction vector of m-th user equipment and m-th of user equipment, m-th of user equipment is obtained
Weight vector；
M-th of user equipment is obtained according to the distance between m-th of user equipment and n-th of array element using following formula group
Vector parameters:
Wherein, ∝mFor the vector parameters of m-th of user equipment, ∝iFor the vector parameters of i-th of user equipment, i takes 1 to M, lm
For the distance between m-th of user equipment and n-th of array element, liFor the distance between i-th of user equipment and n-th of array element, m
Value range be 1 to M.
2. the method according to claim 1, wherein using following formula, according to m-th of user equipment relative to
The angle information of n-th of array element obtains the direction vector of m-th of user equipment:
Wherein, vmFor the direction vector of m-th of user equipment, j is imaginary unit, θmIt is m-th of user equipment relative to n-th
The angle information of array element, the value range of n are 1 to N, []TExpression takes transposition.
3. the method according to claim 1, wherein using following formula, according to the direction of m-th of user equipment
The vector parameters of m-th of user equipment of vector sum obtain the weight vector of m-th of user equipment:
wm=∝mvm
Wherein, wmFor the weight vector of m-th of user equipment, ∝mFor the vector parameters of m-th of user equipment, vmFor m-th of user
The direction vector of equipment.
4. the method according to claim 1, wherein being sweared using following formula according to the power of each user equipment
The input signal of amount and each user equipment, obtains the output signal of each array element:
Wherein, ynIt (t) is the output signal of n-th of array element, wmFor the weight vector of m-th of user equipment, []*Expression takes conjugation, sm
It (t) is the input signal of m-th of user equipment.
5. the method according to claim 1, wherein the method also includes:
The output signal of each array element based on acquisition provides signal to M user equipment.
6. a kind of acquisition device of aerial signal, which is characterized in that applied to the antenna including N number of array element, N is whole greater than 0
Number；
Described device includes:
Signature computation unit, for according to user equipment each in M user equipment relative to n-th of array element angle information and
The distance between each user equipment and n-th of array element obtain the output signal of each array element；
The value range of n is 1 to N,
Wherein, described device further includes weight vector computing unit；
The weight vector computing unit, for the angle according to user equipment each in M user equipment relative to n-th of array element
Information and the distance between each user equipment and n-th of array element, obtain the weight vector of each user equipment；
The signature computation unit, specifically for obtaining according to the weight vector of each user equipment and the input signal of each user
Obtain the output signal of each array element；
The weight vector computing unit, is specifically used for:
Angle information according to m-th of user equipment relative to n-th of array element obtains the direction vector of m-th of user equipment, m
Value range be 1 to M；
According to the distance between m-th of user equipment and n-th of array element, the vector parameters of m-th of user equipment are obtained；
According to the vector parameters of the direction vector of m-th user equipment and m-th of user equipment, m-th of user equipment is obtained
Weight vector；
The weight vector computing unit, is specifically used for:
M-th of user equipment is obtained according to the distance between m-th of user equipment and n-th of array element using following formula group
Vector parameters:
Wherein, ∝mFor the vector parameters of m-th of user equipment, ∝iFor the vector parameters of i-th of user equipment, i takes 1 to M, lm
For the distance between m-th of user equipment and n-th of array element, liFor the distance between i-th of user equipment and n-th of array element, m
Value range be 1 to M.
7. device according to claim 6, which is characterized in that the weight vector computing unit is specifically used for:
Using following formula, angle information according to m-th of user equipment relative to n-th of array element obtains m-th of user equipment
Direction vector:
Wherein, vmFor the direction vector of m-th of user equipment, j is imaginary unit, θmIt is m-th of user equipment relative to n-th
The angle information of array element, the value range of n are 1 to N, []TExpression takes transposition.
8. device according to claim 6, which is characterized in that the weight vector computing unit is specifically used for:
Using following formula, according to the vector parameters of the direction vector of m-th user equipment and m-th of user equipment, m is obtained
The weight vector of a user equipment:
wm=∝mvm
Wherein, wmFor the weight vector of m-th of user equipment, ∝mFor the vector parameters of m-th of user equipment, vmFor m-th of user
The direction vector of equipment.
9. device according to claim 6, which is characterized in that the signature computation unit is specifically used for:
Each array element is obtained according to the input signal of the weight vector of each user equipment and each user using following formula
Output signal:
Wherein, ynIt (t) is the output signal of n-th of array element, wmFor the weight vector of m-th of user equipment, []*Expression takes conjugation, Sm
It (t) is the input signal of m-th of user equipment.
10. device according to claim 6, which is characterized in that described device further include:
Control unit controls each array element to M user equipment and provides letter for the output signal of each array element based on acquisition
Number.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610716337.1A CN106372387B (en) | 2016-08-24 | 2016-08-24 | A kind of acquisition methods and device of aerial signal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610716337.1A CN106372387B (en) | 2016-08-24 | 2016-08-24 | A kind of acquisition methods and device of aerial signal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106372387A CN106372387A (en) | 2017-02-01 |
| CN106372387B true CN106372387B (en) | 2019-04-02 |
Family
ID=57878335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610716337.1A Expired - Fee Related CN106372387B (en) | 2016-08-24 | 2016-08-24 | A kind of acquisition methods and device of aerial signal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106372387B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001167181A (en) * | 1999-12-09 | 2001-06-22 | Nec Corp | Information exchange system, information exchange method and recording medium recording information exchange program |
| CN1853360A (en) * | 2003-09-19 | 2006-10-25 | 英特尔公司 | Wireless signal processing methods and apparatuses including directions of arrival estimation |
| CN101399586A (en) * | 2007-09-29 | 2009-04-01 | 鼎桥通信技术有限公司 | Signal processing method |
| CN101848021A (en) * | 2009-03-24 | 2010-09-29 | 大唐移动通信设备有限公司 | Method and device for generating broadcast beam weight of intelligent antenna array |
| CN103840872A (en) * | 2014-03-07 | 2014-06-04 | 华为技术有限公司 | Device and method for generating weight of antenna and maintenance management device |
| CN103969629A (en) * | 2014-04-21 | 2014-08-06 | 河海大学 | Airborne radar clutter self-adaption restraining method based on main-lobe clutter registering |
| CN104345301A (en) * | 2014-11-05 | 2015-02-11 | 西安电子科技大学 | Non-adaptive clutter pre-filtering space-time two-dimensional cancellation method for airborne MIMO (Multiple-Input-Multiple-Output) radar |
| CN104345300A (en) * | 2014-10-30 | 2015-02-11 | 河海大学 | Onboard non-positive side view array radar STAP (Space Time Adaptive Processing) method for clutter space-time spectrum linear compensation |
| CN105182325A (en) * | 2015-08-13 | 2015-12-23 | 西安电子科技大学 | Rank-1 constraint based metrewave MIMO radar low-elevation-angle object height measuring method |
-
2016
- 2016-08-24 CN CN201610716337.1A patent/CN106372387B/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001167181A (en) * | 1999-12-09 | 2001-06-22 | Nec Corp | Information exchange system, information exchange method and recording medium recording information exchange program |
| CN1853360A (en) * | 2003-09-19 | 2006-10-25 | 英特尔公司 | Wireless signal processing methods and apparatuses including directions of arrival estimation |
| CN101399586A (en) * | 2007-09-29 | 2009-04-01 | 鼎桥通信技术有限公司 | Signal processing method |
| CN101848021A (en) * | 2009-03-24 | 2010-09-29 | 大唐移动通信设备有限公司 | Method and device for generating broadcast beam weight of intelligent antenna array |
| CN103840872A (en) * | 2014-03-07 | 2014-06-04 | 华为技术有限公司 | Device and method for generating weight of antenna and maintenance management device |
| CN103969629A (en) * | 2014-04-21 | 2014-08-06 | 河海大学 | Airborne radar clutter self-adaption restraining method based on main-lobe clutter registering |
| CN104345300A (en) * | 2014-10-30 | 2015-02-11 | 河海大学 | Onboard non-positive side view array radar STAP (Space Time Adaptive Processing) method for clutter space-time spectrum linear compensation |
| CN104345301A (en) * | 2014-11-05 | 2015-02-11 | 西安电子科技大学 | Non-adaptive clutter pre-filtering space-time two-dimensional cancellation method for airborne MIMO (Multiple-Input-Multiple-Output) radar |
| CN105182325A (en) * | 2015-08-13 | 2015-12-23 | 西安电子科技大学 | Rank-1 constraint based metrewave MIMO radar low-elevation-angle object height measuring method |
Non-Patent Citations (3)
| Title |
|---|
| 一种用于多天线无线通信的 DOA 估计算法;周冬跃等;《现代电子技术》;20130301;第36卷(第5期);全文 |
| 双基地 MIMO 雷达收发角和多普勒频率参数的联合估计方法;李丽等;《电子学报》;20131231(第12期);全文 |
| 基于多目标模糊多阶段干扰资源调度研究;王发龙等;《现代防御技术》;20150430;第43卷(第2期);全文 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106372387A (en) | 2017-02-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Costa et al. | Multiple-input multiple-output channel models: theory and practice | |
| CN110463147A (en) | The method of solution code sign and reception and the receiver for solving code sign | |
| US20170019154A1 (en) | Massive mimo array emulation | |
| CN100547945C (en) | A kind of method of down beam shaping and device | |
| US9763216B2 (en) | Radiator localization | |
| TR201810572T4 (en) | Beam creation using an antenna assembly. | |
| CN108365903A (en) | A kind of three-dimensional Massive mimo channels modeling method based on random scatter cluster | |
| CN105246086B (en) | A kind of method and apparatus of determining aerial angle | |
| CN107017931B (en) | A kind of method and device that beam side lobe inhibits | |
| CN107171703B (en) | Method capable of simulating propagation characteristics of fading signals in indoor multi-antenna communication system | |
| CN102857285A (en) | Channel information feedback method and device | |
| CN113747442A (en) | Wireless communication transmission method, device, terminal and storage medium based on IRS assistance | |
| CN110401475A (en) | Downlink wave beam training method, the network equipment and terminal device | |
| CN105158775A (en) | Satellite positioning method and apparatus | |
| CN107409318A (en) | Beam information acquisition methods, device and communication system | |
| Guo et al. | Joint beamforming and power allocation for RIS aided full-duplex integrated sensing and uplink communication system | |
| CN107872259A (en) | A kind of method for generating codebooks and communication equipment | |
| CN106372387B (en) | A kind of acquisition methods and device of aerial signal | |
| CN105515623B (en) | A kind of beam allocation method and base station | |
| CN106160776B (en) | Transmit-Receive Unit and bay mapping method and device | |
| CN114268523B (en) | Method, device, signal receiving end and storage medium for determining time domain correlation | |
| WO2009088666A1 (en) | Method and apparatus for computation of wireless signal diffraction in a three-dimensional space | |
| McMahon | Adventures in radio astronomy instrumentation and signal processing | |
| Rahmani et al. | Two layers beamforming robust against direction‐of‐arrival mismatch | |
| CN108347265B (en) | Beam receiving diversity method and device by using space sparse characteristic |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190402 Termination date: 20190824 |