CN102111204A - Method and system for reporting terminal space angle of arrival - Google Patents
Method and system for reporting terminal space angle of arrival Download PDFInfo
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- CN102111204A CN102111204A CN2009102607183A CN200910260718A CN102111204A CN 102111204 A CN102111204 A CN 102111204A CN 2009102607183 A CN2009102607183 A CN 2009102607183A CN 200910260718 A CN200910260718 A CN 200910260718A CN 102111204 A CN102111204 A CN 102111204A
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Abstract
The invention discloses a method and a system for reporting a terminal space angle of arrival. The system comprises a base station, wherein the base station comprises a measuring module of a space angle of arrival and a reporting module of the space angle of arrival; the measuring module of a space angle of arrival is used for measuring the two-dimensional angle of arrival of a mobile terminal; and the reporting module of the space angle of arrival is used for simultaneously reporting the angle of arrival of the mobile terminal on each orthogonal plane in the two-dimensional space. In order to improve the single spatial characteristic of AOA (angle of arrival) measurement in the prior art and further enhance the accuracy of terminal interference judgment, the invention provides a concept of AOA measurement positioning. With the method of the terminal three-dimensional angle of arrival, which is provided by the invention, the spatial position of the terminal is more accurately estimated by the system, spatial characteristic positioning for interference positioning is improved, and a problem of interference positioning in high-fall areas can be effectively solved.
Description
Technical field
The present invention relates to field of wireless communication, mainly is the terminal space arrives angle under the multi-antenna array overlay area report method and system.
Background technology
TD SDMA (Time Division-Synchronous Code Division MultipleAccess, be called for short TD-SCDMA) mode that adopts multi-antenna array to cover overlapping region simultaneously in the Universal Terrestrial Radio Access Network (Universal TerrestrialRadio Access Network is called for short UTRAN) in the system solve portable terminal under the sight of high-speed mobile because of frequent switching or switching time the too short call drop problem that causes.Third generation partner program (3rd Generation Partnership Project, be called for short 3GPP) defined the notion of cell group in the TS 25.433 technical specification R7 versions, allow a sub-district by a plurality of cell group (Cell Portion, be called for short CP) to form, this just makes many group patterns antenna become a kind of possible configuration in a sub-district on the same group.
Development along with society, people pay close attention to self place electromagnetic environment more and more becomes a tender subject, traditional aerial array adopts 6-8 root antenna to arrange according to specific order more, it is obviously huge a lot of to compare the single antenna volume, cause people that this type of antenna is produced the more misunderstanding of multiple electromagnetic radiation, produced unnecessary construction resistance.In addition, from engineering viewpoint, air resistance coefficient is excessive, also is unfavorable for the stable of antenna, has therefore produced a series of miniaturization arrays such as dual polarized antenna, and dual polarized antenna is a kind of typical pair of array antenna group.Polarization orthogonal direction in the dual polarized antenna is divided into the horizontal/vertical type, and just/negative 45 degree types.
In many group patterns antenna, when two groups of antenna distance of separations were big, spatial character was comparatively independent.In order to be smoothly transitted into following multiple-input and multiple-output (the Multiple-Input Multiple-Out-put, be called for short MIMO) system, adopt many group patterns antenna to cover the same area and will become a kind of main flow trend, and many group patterns antenna not necessarily according to identical towards arranging, antenna is towards having relative angle.
In the method for traditional locating cellphone terminal location, adopt measured arrival angle (Angle ofArrival more, abbreviation AOA) method is used for orientation, and the method for mobile terminal reporting synchronism deviation orientation distance is estimated the relative position of the relative transmitting antenna of terminal, wherein measure the mode that arrives angle and generally be based on the spectrum estimation approach, may further comprise the steps:
1) channel estimating obtains the h vector of each antenna.
2) calculate spatial correlation matrix according to Vector Groups.
3) calculate the maximum characteristic vector that eigenvalue of maximum obtains spatial correlation matrix.
4) the use characteristic vector is asked correlated series with an amount of table of the guiding of aerial array, and getting an amount of corresponding angle of correlated results maximum guiding is the arrival angle that estimates.
The arrival angle that this method estimates only has the spatial character of single plane.In the prior art, aerial array generally all is provided with perpendicular to ground.Under the covering scene of block, often aerial array is arranged at the position that roof etc. is overlooked portable terminal, and terminal towards or when the building moved dorsad, terminal did not change with respect to the angle of antenna, then can't judge terminal moving on horizontal plane.Under the covering scene of the outdoor scenic lift in city, terminal also can't be described the variation of the vertical spatial position of terminal in the motion of vertical plane is advanced.Equally, be difficult in the residential building accomplish that the domestic aerial in the floor covers, often adopt the mode in the exterior aerial covering chamber, the terminal that the therefore present method of measuring the arrival angle is only described in the horizontal plane distributes, and can not describe the terminal interference profile of each floor gap under this scene.Traditional arrival angle according to single plane estimates that there is the inaccurate and not strong problem of spatial character in location in the method for terminal location, and it is bigger to cause measuring the terminal mushing error of judging according to this.
Summary of the invention
The technical problem to be solved in the present invention provides report method and the system that a kind of terminal space arrives angle, provides the solid of terminal to arrive angle, makes the locus of the more accurate estimation terminal of system.
In order to address the above problem, the invention provides the report method that a kind of terminal space arrives angle, comprise: the arrival angle of the two-dimensional space of base station measurement portable terminal, and report described portable terminal arrival angle on each orthogonal plane in two-dimensional space simultaneously.
Further, said method also has following characteristics:
Report method specifically comprises: the base station is after the angle of arrival of described portable terminal is measured by unit with the sub-district, this angle of arrival is done projection on horizontal plane and vertical plane, the arrival angle that obtains the two-dimensional space of described portable terminal is that level arrives angle and vertical arrival angle, and reports the level of described portable terminal to arrive angle and vertical arrival angle simultaneously.
Further, said method also has following characteristics:
The base station increases the vertical angle measuring unit that arrives in the reporting message of the level arrival angle that reports described portable terminal, the vertical arrival angle of carrying described portable terminal in this vertical arrival angle measuring unit.
Further, said method also has following characteristics:
Report method specifically comprises: after the base station is measured the angle of arrival of described portable terminal respectively by the aerial array of each cell group, each angle of arrival is done projection at horizontal plane and vertical plane, obtain the projection line angle of the normal of aerial array therewith, the arrival angle of two-dimensional space of described portable terminal that obtains the aerial array correspondence of each cell group is that level arrives angle and vertical arrival angle, and reports level the arrival angle and vertical arrival angle of the described portable terminal of each cell group correspondence simultaneously.
Further, said method also has following characteristics:
The base station is that unit reports the level of the portable terminal that the aerial array of each cell group measures to arrive angle respectively with the cell group, and carries the vertical arrival angle of the portable terminal that the aerial array of best cell grouping measures in the detailed measurements value cell that with the sub-district is unit; Perhaps; The base station is that unit reports the level of the portable terminal that the aerial array of each cell group measures to arrive angle respectively with the cell group, and in reporting message, increase the vertical component detailed measurements value cell of each cell group, in the vertical component detailed measurements value cell of each cell group, carry the vertical arrival angle of the portable terminal that the array antenna of this cell group measures.
In order to address the above problem, the invention provides the reporting system that a kind of terminal space arrives angle, comprise the base station, described base station comprises that the space arrives Angle Measurement Module and the space arrives the angle reporting module, described space arrives Angle Measurement Module, is used to measure the arrival angle of the two-dimensional space of portable terminal; The space arrives the angle reporting module, is used for reporting simultaneously the arrival angle of described portable terminal on each orthogonal plane of two-dimensional space.
Further, said system also has following characteristics:
Described space arrives Angle Measurement Module, also be used for the sub-district is after the angle of arrival of described portable terminal is measured by unit, this angle of arrival is done projection on horizontal plane and vertical plane, the arrival angle that obtains the two-dimensional space of described portable terminal is that level arrives angle and vertical arrival angle, and reports the level of described portable terminal to arrive angle and vertical arrival angle simultaneously; Described space arrives the angle reporting module, also is used for reporting simultaneously the level of described portable terminal to arrive angle and vertical arrival angle.
Further, said system also has following characteristics:
Described space arrives the angle reporting module, also is used for arriving in the level that reports described portable terminal the vertical angle measuring unit that arrives of reporting message increase of angle, in this vertical vertical arrival angle of carrying described portable terminal in the angle measuring unit that arrives.
Further, said system also has following characteristics:
The space arrives the angle reporting module, after also being used for measuring the angle of arrival of described portable terminal respectively by the aerial array of each cell group, each angle of arrival is done projection at horizontal plane and vertical plane, obtain the projection line angle of the normal of aerial array therewith, the arrival angle of two-dimensional space of described portable terminal that obtains the aerial array correspondence of each cell group is that level arrives angle and vertical arrival angle; Described space arrives the angle reporting module, also is used for reporting simultaneously the level of the described portable terminal of each cell group correspondence to arrive angle and vertical arrival angle.
Further, said system also has following characteristics:
The space arrives the angle reporting module, also being used for the cell group is that unit reports the level of the portable terminal that the aerial array of each cell group measures to arrive angle respectively, and carries the vertical arrival angle of the portable terminal that the aerial array of best cell grouping measures in the detailed measurements value cell that with the sub-district is unit; Perhaps, be that unit reports the level of the portable terminal that the aerial array of each cell group measures to arrive angle respectively with the cell group, and in reporting message, increase the vertical component detailed measurements value cell of each cell group, in the vertical component detailed measurements value cell of each cell group, carry the vertical arrival angle of the portable terminal that the array antenna of this cell group measures.
The present invention disturbs the judgement accuracy in order to solve the single spatial character that existing AOA measures for further strengthening terminal, proposes the notion of space AOA measurement and positioning.The present invention added one extra be the vertical direction angle at 0 degree angle with horizontal plane, two-dimentional AOA measurements of having introduced single cell group report notion, added vertical AOA measurement, multiplexing inoperative position is used to report the AOA value of vertical direction.The solid that the invention provides terminal arrives the method for angle, make the locus of the more accurate estimation terminal of system, improve the spatial character location of disturbing the location, can solve the interference orientation problem in high drop zone effectively, typical application comprises: the terminal that residential building on the middle and senior level building covers is disturbed the location, the location, upright position of vertical sightseeing elevator etc.
Description of drawings
Fig. 1 is the structure chart that the terminal space arrives the reporting system of angle among the embodiment;
Fig. 2 is among the embodiment to be the schematic diagram that example explanation space arrives the angle preparation method with the dual polarized antenna;
Fig. 3 arrives the schematic diagram of angle preparation method with aerial array with the non-perpendicular ground mode time space that distributes among the embodiment.
Embodiment
Among the embodiment, as shown in Figure 1, comprise base station and radio network controller in the reporting system of terminal space arrival angle, the base station arrives angle to the space of radio network controller reporting terminal.This base station comprises that the space arrives Angle Measurement Module and the space arrives the angle reporting module.
Described space arrives Angle Measurement Module, is used to measure the arrival angle of the two-dimensional space of portable terminal.The function implementation that described space arrives Angle Measurement Module comprises following dual mode: one, it is after the angle of arrival of described portable terminal is measured by unit with the sub-district that the space arrives Angle Measurement Module, this angle of arrival is done projection on horizontal plane and vertical plane, the arrival angle that obtains the two-dimensional space of described portable terminal is that level arrives angle and vertical arrival angle, and reports the level of described portable terminal to arrive angle and vertical arrival angle simultaneously.Two, after space arrival Angle Measurement Module is measured the angle of arrival of described portable terminal respectively by the aerial array of each cell group, each angle of arrival is done projection at horizontal plane and vertical plane, obtain the projection line angle of the normal of aerial array therewith, the arrival angle of two-dimensional space of described portable terminal that obtains the aerial array correspondence of each cell group is that level arrives angle and vertical arrival angle.
The space arrives the angle reporting module, be used for reporting simultaneously the arrival angle of described portable terminal on each orthogonal plane of two-dimensional space, typically, the level that refers to portable terminal arrives angle and vertical arrival angle, in the reporting message of the level arrival angle that reports described portable terminal, increase the vertical angle measuring unit that arrives, the vertical arrival angle of in this vertical arrival angle measuring unit, carrying described portable terminal.
When space arrival Angle Measurement Module was measured the angle of arrival of portable terminal respectively by the aerial array of each cell group, the space arrived the angle reporting module and reports the level of the described portable terminal of each cell group correspondence to arrive angle and vertical arrival angle simultaneously.Report mode to be: it is that unit reports the level of the portable terminal that the aerial array of each cell group measures to arrive angle respectively with the cell group that the space arrives the angle reporting module, and carries the vertical arrival angle of the portable terminal that the aerial array of best cell grouping measures in the detailed measurements value cell that with the sub-district is unit; Perhaps, be that unit reports the level of the portable terminal that the aerial array of each cell group measures to arrive angle respectively with the cell group, and in reporting message, increase the vertical component detailed measurements value cell of each cell group, in the vertical component detailed measurements value cell of each cell group, carry the vertical arrival angle of the portable terminal that the array antenna of this cell group measures.
In the present embodiment, the report method that the terminal space arrives angle comprises: the arrival angle of the two-dimensional space of base station measurement portable terminal, and report described portable terminal arrival angle on each orthogonal plane in two-dimensional space simultaneously.
Two-dimensional space among the present invention typically is meant the horizontal plane of nature and the two-dimensional space that these two orthogonal planes of vertical plane constitute, but is not restricted to this natural horizontal plane and vertical plane among the present invention.Need to implement if any other, can define and natural horizontal plane and two angled orthogonal planes of vertical plane, all be applicable to thought of the present invention.
Embodiment one:
Embodiment one is applicable to the sub-district to be the performance that the arrival angle of portable terminal is measured by unit.
Method of measurement comprises: the base station is after the angle of arrival of described portable terminal is measured by unit with the sub-district, this angle of arrival is done projection on horizontal plane and vertical plane, the arrival angle that obtains the two-dimensional space of described portable terminal is that level arrives angle and vertical arrival angle.
Defined AOA measurement structure body in existing 25.433 standards.Table 1 is for arriving the dependency structure body that angle reports in detailed measurements value (the 9.2.1.24Dedicated Measurement Value) structure among the TD-SCDMA UTRAN.The level that is used for indicating mobile terminal in the AOA LCR unit arrives angle.
Table 1
| >>Angle?Of?Arrival Value?LCR | Applicable?to 1.28Mcps?TDD only | |||||
| >>>AOA?Value?LCR | 1 | YES | reject |
| >>>>AOA?LCR | M | INTEGER (0..719) | According?to mapping?in[23] | - | ||
| AOA LCR Accuracy Class (precision grade) | M | ENUMERAT ED?( A，B，C，D， E，F，G， H，…) | According?to mapping?in[23] | - |
Report method comprises in the present embodiment: the base station increases the vertical angle measuring unit that arrives in the reporting message of the level arrival angle that reports described portable terminal, the vertical arrival angle of carrying described portable terminal in this vertical arrival angle measuring unit.Promptly in the said structure body, increase vertical angle measuring unit, the vertical arrival angle of indicating mobile terminal in this element of arriving.
In the prior art, the aerial array of sub-district when measuring the arrival angle of portable terminal, only records and reports level to arrive angle all perpendicular to ground.In the present embodiment one, when being applicable to that typically the aerial array of sub-district and ground are at an angle, the space that records portable terminal arrives angle, and the arrival angle that further obtains two-dimensional space is that level arrives angle and vertical arrival angle, and report simultaneously, arrive angle for radio network controller provides the solid of terminal, make the locus of the more accurate estimation terminal of system, improve the spatial character location of disturbing the location.
Embodiment two:
Embodiment two is applicable to the cell group to be the performance that the arrival angle of portable terminal is measured by unit.
After the base station is measured the angle of arrival of described portable terminal respectively by the aerial array of each cell group, each angle of arrival is done projection at horizontal plane and vertical plane, obtain the projection line angle of the normal of aerial array therewith, the arrival angle of two-dimensional space of described portable terminal that obtains the aerial array correspondence of each cell group is that level arrives angle and vertical arrival angle, and reports level the arrival angle and vertical arrival angle of the described portable terminal of each cell group correspondence simultaneously.
Report method can comprise following dual mode:
Mode one: the base station is that unit reports the level of the portable terminal that the aerial array of each cell group measures to arrive angle respectively with the cell group, and carries the vertical arrival angle of the portable terminal that the aerial array of best cell grouping measures in the detailed measurements value cell that with the sub-district is unit.
The base station reports portable terminal to arrive in the message structure body of angle to comprise with the sub-district being the detailed measurements value cell of unit, this element is used to carry the vertical arrival angle of the portable terminal that the aerial array of best cell grouping measures, and this value is 0 to spend benchmark with horizontal plane.Wherein, the notion of best cell grouping is an existing notion in the prior art, and the best cell grouping is the strongest cell group of signal power of receiving portable terminal.
The base station reports portable terminal to arrive in the message structure body of angle also to comprise the cell group tabulation (Cell Portion List) of measuring according to CP, this tabulation comprises detailed measurements value (the Dedicated Measurement Value) unit of each cell group down, and the level of carrying the portable terminal that aerial array is measured in the cell group in each unit arrives angle.
Mode two: the base station is that unit reports the level of the portable terminal that the aerial array of each cell group measures to arrive angle respectively with the cell group, and in reporting message, increase the vertical component detailed measurements value cell of each cell group, in the vertical component detailed measurements value cell of each cell group, carry the vertical arrival angle of the portable terminal that the array antenna of this cell group measures.
The base station reports portable terminal to arrive in the message structure body of angle to comprise the cell group tabulation (Cell Portion List) of measuring according to CP, this tabulation comprises horizontal detailed measurements value (the Dedicated Measurement Value) unit of each cell group down, and the level of carrying the portable terminal that aerial array is measured in the cell group in each unit arrives angle; This tabulation also comprises vertical detailed measurements value (the Dedicated Measurement Value) unit of each cell group, the vertical arrival angle of carrying the portable terminal that aerial array is measured in the cell group in each unit down.
When being the arrival angle of unit measurement portable terminal with the cell group, suppose that the cell group number is N (N is the integer more than or equal to 1), many group aerial arrays towards different (being different from of the prior art) all perpendicular to ground, the method that the wave beam angle of arrival of described portable terminal is measured by each aerial array in the base station may further comprise the steps:
Calculate the spatial correlation matrix of each aerial array channel estimate matrix;
According to the space correlation battle array, calculate maximum characteristic vector;
Maximum characteristic vector is decomposed into N Vector Groups, calculates the spatial spectrum of every group of antenna vector respectively, obtain N the angle that makes spectrum maximum, be i.e. the wave beam angle of arrival of the portable terminal that records of N aerial array for this reason.The wave beam angle of arrival of each aerial array is meant the projection line of wave beam on the vertical plane on this plane, aerial array place angle of the normal on plane, aerial array place therewith.
The method of the arrival angle of the two-dimensional space of base station acquisition portable terminal is, after recording the wave beam angle of arrival of described portable terminal by each aerial array, do projection at horizontal plane and vertical plane, obtain the projection line angle of the normal of aerial array therewith, the arrival angle of two-dimensional space that obtains the described portable terminal of each aerial array correspondence is that level arrives angle and vertical arrival angle.
Below as shown in Figure 2, be that example describes the method for arrival angle that the base station obtains the two-dimensional space of portable terminal with the dual polarized antenna.Comprise two groups of aerial arrays in the sub-district of this execution mode, i.e. the aerial array of the aerial array of horizontal direction and vertical direction.
Step 1, each antenna channel is estimated to be write as a channel estimate matrix:
Wherein k is the total number of antenna of every group of antenna, and N is the antenna sets number, N=2 during the applying double pole antenna.
The spatial correlation matrix of step 2, calculating H battle array:
R＝H·H
H
Step 3, the R battle array calculated its maximum characteristic vector obtain W:
W＝{w
1，1…w
1，k，…w
N，1…w
Nk}
Step 4, the maximum characteristic vector of decomposition are N Vector Groups W
n, every eigenvectors length is K.Calculate the spatial spectrum of every group of antenna vector respectively according to the steering vector table of N antenna sets, obtain N the angle θ that makes spectrum maximum
n
As shown in Figure 2, can obtain θ on the plane vertical with vertical antenna array
1The angle of arrival (be level arrive in angle) and can obtain θ on the horizontal antenna array vertical plane
2Angle (the promptly vertical angle that arrives).
Below as shown in Figure 3, becoming the situation of non-perpendicular relation with horizontal plane with aerial array is that example specifies the present invention.As shown in Figure 3, angle of arrival plane is α, and the arrival angle of the portable terminal that this aerial array is measured is θ
nθ
nBe the calculating angle of beam direction on the vertical plane α of antenna, a virtual for convenience of description angle of arrival wave beam ray, obtain A point and B point respectively and be the wave beam intersection point on two planes, A point, B point are only represented one group of 2 point on a certain line in the parallel arrival wave beam line.Draw vertical line to vertical plane and horizontal plane respectively from A point, B point, obtain projection.Thereby calculate θ respectively
N1And θ
N2Two angles promptly obtain two projection angle theta in the plane
N1And θ
N2
Under the situation that many group aerial arrays are arranged, can also calculate the projection of many group angles of arrival on two planes respectively, ask the comprehensive estimated values theta that on average obtains on two planes with organizing angle more
1And θ
2
The θ that calculates
1And θ
2Ask historical filter value respectively:
This is asked comprehensive estimated values theta behind the historical filter value
1And θ
2Two-dimensional space angle value as this sub-district.
Among the present invention,, effectively replenished the deficiency that only reports level arrival angle in the prior art, made the locus of the more accurate estimation terminal of radio network controller, improved the spatial character location of disturbing the location by reporting the arrival angle of two-dimensional space.
Certainly; the present invention also has other multiple implementation method; under the situation that does not deviate from spirit of the present invention and essence thereof; those skilled in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
Claims (10)
1. the report method of a terminal space arrival angle is characterized in that,
The arrival angle of the two-dimensional space of base station measurement portable terminal, and report described portable terminal arrival angle on each orthogonal plane in two-dimensional space simultaneously.
2. the method for claim 1 is characterized in that,
Report method specifically comprises: the base station is after the angle of arrival of described portable terminal is measured by unit with the sub-district, this angle of arrival is done projection on horizontal plane and vertical plane, the arrival angle that obtains the two-dimensional space of described portable terminal is that level arrives angle and vertical arrival angle, and reports the level of described portable terminal to arrive angle and vertical arrival angle simultaneously.
3. method as claimed in claim 2 is characterized in that,
The base station increases the vertical angle measuring unit that arrives in the reporting message of the level arrival angle that reports described portable terminal, the vertical arrival angle of carrying described portable terminal in this vertical arrival angle measuring unit.
4. the method for claim 1 is characterized in that,
Report method specifically comprises: after the base station is measured the angle of arrival of described portable terminal respectively by the aerial array of each cell group, each angle of arrival is done projection at horizontal plane and vertical plane, obtain the projection line angle of the normal of aerial array therewith, the arrival angle of two-dimensional space of described portable terminal that obtains the aerial array correspondence of each cell group is that level arrives angle and vertical arrival angle, and reports level the arrival angle and vertical arrival angle of the described portable terminal of each cell group correspondence simultaneously.
5. method as claimed in claim 4 is characterized in that,
The base station is that unit reports the level of the portable terminal that the aerial array of each cell group measures to arrive angle respectively with the cell group, and carries the vertical arrival angle of the portable terminal that the aerial array of best cell grouping measures in the detailed measurements value cell that with the sub-district is unit; Perhaps;
The base station is that unit reports the level of the portable terminal that the aerial array of each cell group measures to arrive angle respectively with the cell group, and in reporting message, increase the vertical component detailed measurements value cell of each cell group, in the vertical component detailed measurements value cell of each cell group, carry the vertical arrival angle of the portable terminal that the array antenna of this cell group measures.
6. the reporting system of a terminal space arrival angle comprises the base station, it is characterized in that,
Described base station comprises that the space arrives Angle Measurement Module and the space arrives the angle reporting module,
Described space arrives Angle Measurement Module, is used to measure the arrival angle of the two-dimensional space of portable terminal;
The space arrives the angle reporting module, is used for reporting simultaneously the arrival angle of described portable terminal on each orthogonal plane of two-dimensional space.
7. system as claimed in claim 6 is characterized in that,
Described space arrives Angle Measurement Module, also be used for the sub-district is after the angle of arrival of described portable terminal is measured by unit, this angle of arrival is done projection on horizontal plane and vertical plane, the arrival angle that obtains the two-dimensional space of described portable terminal is that level arrives angle and vertical arrival angle, and reports the level of described portable terminal to arrive angle and vertical arrival angle simultaneously;
Described space arrives the angle reporting module, also is used for reporting simultaneously the level of described portable terminal to arrive angle and vertical arrival angle.
8. system as claimed in claim 7 is characterized in that,
Described space arrives the angle reporting module, also is used for arriving in the level that reports described portable terminal the vertical angle measuring unit that arrives of reporting message increase of angle, in this vertical vertical arrival angle of carrying described portable terminal in the angle measuring unit that arrives.
9. system as claimed in claim 6 is characterized in that,
The space arrives the angle reporting module, after also being used for measuring the angle of arrival of described portable terminal respectively by the aerial array of each cell group, each angle of arrival is done projection at horizontal plane and vertical plane, obtain the projection line angle of the normal of aerial array therewith, the arrival angle of two-dimensional space of described portable terminal that obtains the aerial array correspondence of each cell group is that level arrives angle and vertical arrival angle;
Described space arrives the angle reporting module, also is used for reporting simultaneously the level of the described portable terminal of each cell group correspondence to arrive angle and vertical arrival angle.
10. system as claimed in claim 9 is characterized in that,
The space arrives the angle reporting module, also being used for the cell group is that unit reports the level of the portable terminal that the aerial array of each cell group measures to arrive angle respectively, and carries the vertical arrival angle of the portable terminal that the aerial array of best cell grouping measures in the detailed measurements value cell that with the sub-district is unit; Perhaps, be that unit reports the level of the portable terminal that the aerial array of each cell group measures to arrive angle respectively with the cell group, and in reporting message, increase the vertical component detailed measurements value cell of each cell group, in the vertical component detailed measurements value cell of each cell group, carry the vertical arrival angle of the portable terminal that the array antenna of this cell group measures.
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Application publication date: 20110629 |