JP2022071237A - 測位方法 - Google Patents
測位方法 Download PDFInfo
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- JP2022071237A JP2022071237A JP2020180070A JP2020180070A JP2022071237A JP 2022071237 A JP2022071237 A JP 2022071237A JP 2020180070 A JP2020180070 A JP 2020180070A JP 2020180070 A JP2020180070 A JP 2020180070A JP 2022071237 A JP2022071237 A JP 2022071237A
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- 238000000034 method Methods 0.000 title claims abstract description 127
- 238000009826 distribution Methods 0.000 claims description 20
- 238000005259 measurement Methods 0.000 claims description 17
- 238000012545 processing Methods 0.000 claims description 13
- 238000004364 calculation method Methods 0.000 description 61
- 230000006870 function Effects 0.000 description 28
- 238000004891 communication Methods 0.000 description 18
- 238000010586 diagram Methods 0.000 description 11
- 238000007476 Maximum Likelihood Methods 0.000 description 8
- 238000007619 statistical method Methods 0.000 description 7
- 101150011184 toa1 gene Proteins 0.000 description 7
- 101150108701 toa2 gene Proteins 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 6
- 230000008054 signal transmission Effects 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 230000004044 response Effects 0.000 description 4
- 102220213553 rs1026192345 Human genes 0.000 description 3
- 102220621241 Proline-rich membrane anchor 1_S32A_mutation Human genes 0.000 description 2
- 238000013213 extrapolation Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
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- 102220480414 Adhesion G-protein coupled receptor D1_S13A_mutation Human genes 0.000 description 1
- 102220560218 Calcium/calmodulin-dependent protein kinase type IV_S12A_mutation Human genes 0.000 description 1
- 230000010267 cellular communication Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 102200048773 rs2224391 Human genes 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/025—Services making use of location information using location based information parameters
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
- G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
- G01S5/0205—Details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
- G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
- G01S5/0205—Details
- G01S5/0244—Accuracy or reliability of position solution or of measurements contributing thereto
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
- G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
- G01S5/04—Position of source determined by a plurality of spaced direction-finders
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
- G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
- G01S5/06—Position of source determined by co-ordinating a plurality of position lines defined by path-difference measurements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
- G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
- G01S5/12—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves by co-ordinating position lines of different shape, e.g. hyperbolic, circular, elliptical or radial
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
rTOA:rTOA:rTOA=1/dTOA:1/dAOA:1/dTDOA
+xAOA*rAOA/(rTOA+rAOA+rTDOA)
+xTDOA*rTDOA/(rTOA+rAOA+rTDOA)
y=yTOA*rTOA/(rTOA+rAOA+rTDOA)
+yAOA*rAOA/(rTOA+rAOA+rTDOA)
+yTDOA*rTDOA/(rTOA+rAOA+rTDOA)
z=zTOA*rTOA/(rTOA+rAOA+rTDOA)
+zAOA*rAOA/(rTOA+rAOA+rTDOA)
+zTDOA*rTDOA/(rTOA+rAOA+rTDOA)
10 測位装置
21、22、23 基地局
30 端末
31 信号送信制御部
33 測位関連パラメータ通知作成部
35 無線信号(測位信号)
36 基準信号
40 ネットワーク
55 事前測定誤差分布
60 測位結果
101 位置計算部
102 通信部
103 測位システム情報データベース
151 プロセッサ
153 補助記憶装置
154 通信インタフェース
156 インタフェース
201 測位関連パラメータ測定部
202 信号送信元判定部
203 測位関連パラメータ通知作成部
204 通信部
205 メモリ
206、303 アンテナ
213 補助記憶装置
301 信号送信制御部
302 信号作成部
351、352 測位信号
Claims (8)
- ターゲットノードと1以上の基準ノードとの間で送受信される無線信号に基づき、前記ターゲットノードの位置を決定する、方法であって、
前記無線信号から推定される異なる測位関連パラメータの値を取得し、
前記異なる測位関連パラメータの各測位関連パラメータの値に基づき計算される前記ターゲットノードの測位値の誤差を、前記測位値及び過去の前記ターゲットノードの決定された位置の少なくとも一方に基づき決定し、
前記誤差に基づき、前記異なる測位関連パラメータの各測位関連パラメータの重みを決定し、
前記重み及び前記異なる測位関連パラメータそれぞれの値に基づき計算される測位値に基づき、前記ターゲットノードの位置を決定する、方法。 - 請求項1に記載の方法であって、
前記重みは、前記誤差から計算される前記測位値の尤度に基づき決定される、方法。 - 請求項1に記載の方法であって、
前記誤差は、前記ターゲットノードの過去の決定された位置に基づく理論値と前記測位値とに基づき決定される、方法。 - 請求項1に記載の方法であって、
前記異なる測位関連パラメータそれぞれに対して、前記ターゲットノードの測位エリアの事前測定誤差分布が登録されており、
前記誤差は、前記過去の前記ターゲットノードの決定された位置及び前記事前測定誤差分布に基づき決定される、方法。 - 請求項1に記載の方法であって、
前記誤差に基づいて前記異なる測位関連パラメータから一つの測位関連パラメータを選択し、
前記選択された測位関連パラメータ以外の測位関連パラメータに0の重みを与え、
前記選択された測位関連パラメータに基づき計算される測位値を前記ターゲットノードの位置と決定する、方法。 - 請求項1に記載の方法であって、
前記重みは、前記異なる測位関連パラメータそれぞれによる測位値の、0より大きい混合比率を表す、方法。 - 請求項1に記載の方法であって、
前記異なる測位関連パラメータは、到来角度、到来時間、到来時間差及び信号強度の少なくとも二つを含む、方法。 - ターゲットノードと1以上の基準ノードとの間で送受信される無線信号に基づき、前記ターゲットノードの位置を決定する、装置であって、
演算処理装置と、
記憶装置と、を含み、
前記記憶装置は、前記1以上の基準ノードの座標情報を格納し、
前記演算処理装置は、
前記無線信号から推定される異なる測位関連パラメータの値を取得し、
前記異なる測位関連パラメータの各測位関連パラメータの値及び前記1以上の基準ノードの座標情報に基づき前記ターゲットノードの測位値を計算し、
前記測位値の誤差を、前記測位値及び過去の前記ターゲットノードの決定された位置の少なくとも一方に基づき決定し、
前記誤差に基づき、前記異なる測位関連パラメータの各測位関連パラメータの重みを決定し、
前記重み及び前記異なる測位関連パラメータそれぞれの値に基づき計算される測位値に基づき、前記ターゲットノードの位置を決定する、装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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JP2020180070A JP2022071237A (ja) | 2020-10-28 | 2020-10-28 | 測位方法 |
US17/451,067 US20220132461A1 (en) | 2020-10-28 | 2021-10-15 | Positioning Method |
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JP2020180070A JP2022071237A (ja) | 2020-10-28 | 2020-10-28 | 測位方法 |
Publications (1)
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JP2022071237A true JP2022071237A (ja) | 2022-05-16 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2020180070A Pending JP2022071237A (ja) | 2020-10-28 | 2020-10-28 | 測位方法 |
Country Status (2)
Country | Link |
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US (1) | US20220132461A1 (ja) |
JP (1) | JP2022071237A (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP7519658B1 (ja) | 2024-05-10 | 2024-07-22 | イエローテイル・ナビゲーション株式会社 | 衛星航法受信機 |
Families Citing this family (1)
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US11947027B2 (en) * | 2022-01-13 | 2024-04-02 | Locaila, Inc | Method and apparatus for positioning |
Family Cites Families (3)
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US6985839B1 (en) * | 2000-05-05 | 2006-01-10 | Technocom Corporation | System and method for wireless location coverage and prediction |
US8032156B2 (en) * | 2004-09-07 | 2011-10-04 | Qualcomm Incorporated | Procedure to increase position location availabilty |
CN109151714A (zh) * | 2018-08-29 | 2019-01-04 | 河南科技大学 | 一种三维鲁棒估计定位方法 |
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2020
- 2020-10-28 JP JP2020180070A patent/JP2022071237A/ja active Pending
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2021
- 2021-10-15 US US17/451,067 patent/US20220132461A1/en active Pending
Cited By (1)
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JP7519658B1 (ja) | 2024-05-10 | 2024-07-22 | イエローテイル・ナビゲーション株式会社 | 衛星航法受信機 |
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