KR20010005580A - 방향 판단 방법 - Google Patents
방향 판단 방법 Download PDFInfo
- Publication number
- KR20010005580A KR20010005580A KR1019997008643A KR19997008643A KR20010005580A KR 20010005580 A KR20010005580 A KR 20010005580A KR 1019997008643 A KR1019997008643 A KR 1019997008643A KR 19997008643 A KR19997008643 A KR 19997008643A KR 20010005580 A KR20010005580 A KR 20010005580A
- Authority
- KR
- South Korea
- Prior art keywords
- subscriber
- signals
- arrival
- doa
- channel impulse
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 57
- 230000004044 response Effects 0.000 claims abstract description 46
- 238000004891 communication Methods 0.000 claims abstract description 41
- 230000006854 communication Effects 0.000 claims abstract description 41
- 238000005259 measurement Methods 0.000 claims abstract description 7
- 238000012549 training Methods 0.000 claims description 13
- 239000011159 matrix material Substances 0.000 claims description 7
- 238000001228 spectrum Methods 0.000 claims description 4
- 238000001514 detection method Methods 0.000 description 18
- 230000005540 biological transmission Effects 0.000 description 14
- 238000010586 diagram Methods 0.000 description 10
- 230000008859 change Effects 0.000 description 4
- 238000012935 Averaging Methods 0.000 description 3
- 238000007476 Maximum Likelihood Methods 0.000 description 3
- 238000010295 mobile communication Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000001427 coherent effect Effects 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000007175 bidirectional communication Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000001658 differential optical absorption spectrophotometry Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
Classifications
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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
- G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
- G01S3/02—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using radio waves
- G01S3/04—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
- G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
- G01S3/02—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using radio waves
- G01S3/14—Systems for determining direction or deviation from predetermined direction
- G01S3/38—Systems for determining direction or deviation from predetermined direction using adjustment of real or effective orientation of directivity characteristic of an antenna or an antenna system to give a desired condition of signal derived from that antenna or antenna system, e.g. to give a maximum or minimum signal
-
- 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
- G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
- G01S3/02—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using radio waves
- G01S3/04—Details
- G01S3/043—Receivers
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Mobile Radio Communication Systems (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Abstract
Description
Claims (12)
- 적어도 하나의 가입자 신호의 파동 요소들에 대한 방향 판단 방법에 있어서,- 수신 장치에는 Ka 개의 수신 센서들이 할당되며,- Ka 개의 수신 신호들이 수신되는데, 이들은 특정 송신기 미세 구조를 가지는 적어도 하나의 가입자 신호에 기인하며, k번째(k=1..K) 가입자 신호는 수신 위치에서의 도달 방향들(DOA)이 서로 다른 Kd 개의 파동 요소들에 의해 전송되며,- 상기 Ka 개의 수신 센서들에 할당되는 채널 임펄스 응답들(g)은 상기 수신 신호들로부터 결정되며,- 적어도 하나의 상기 파동 요소의 도달 방향(DOA)은 상기 채널 임펄스 응답들(g)로부터 결정되는 것을 특징으로 하는 방향 판단 방법.
- 제 1 항에 있어서,상기 채널 임펄스 응답들(g)은 상기 가입자 시호들의 훈련 시퀀스들(tseq1, tseq2 ... tseqK)로부터 결정되며, 상기 훈련 시퀀스들은 특정 송신기 미세 구조들을 형성하는 것을 특징으로 하는 방향 판단 방법.
- 제 1 항 또는 제 2 항에 있어서,다수의 송신기들(MS) 또는 반사기들(P1, P2)로부터의 상기 가입자 신호들은 상기 수신 장치에 도달되고 중첩되어 수신 신호들을 형성하며, 상기 신호들은 동시에 하나의 주파수 채널로 전송되는 것을 특징으로 하는 방향 판단 방법.
- 선행하는 항 중 어느 한 항에 있어서,상기 파동 요소들의 도달 방향들(DOA)의 결정은 또한, 방해 신호들의 도달 방향(DOA), 전력, 스펙트럼 또는 상관 매트릭스와 같은 값들 중의 적어도 하나에 관한 정보를 고려하는 것을 특징으로 하는 방향 판단 방법.
- 제 3 항 또는 제 4 항 중 어느 한 항에 있어서,상기 가입자 신호들이 개별적 가입자 코드들(tc1, tc2 ... tcK)을 이용하여 역확산함에 의해 분리될 수 있는 것을 특징으로 하는 방향 판단 방법.
- 선행하는 항 중 어느 한 항에 있어서,상기 도달 방향(DOA)을 결정하는데 고분해능 방향 판단 방법들이 이용되는 것을 특징으로 하는 방향 판단 방법.
- 제 6 항에 있어서,상기 도달 방향(DOA)을 결정하는데 MUSIC 방법이 이용되는 것을 특징으로 하는 방향 판단 방법.
- 제 6 항에 있어서,상기 도달 방향(DOA)을 결정하는데 일차원 또는 다차원 UNITARY-ESPRIT 방법이 이용되는 것을 특징으로 하는 방향 판단 방법.
- 선행하는 항 중 어느 한 항에 있어서,상기 파동 요소들의 상기 도달 방향(DOA)을 결정하기 위해 특정 값들이 시간 간격에 걸쳐 평균되는 것을 특징으로 하는 방향 판단 방법.
- 선행하는 항 중 어느 한 항에 있어서,이동 무선 통신 시스템에 사용되는 것을 특징으로 하는 방향 판단 방법.
- 선행하는 항 중 어느 한 항에 있어서,레이더 또는 소나 시스템에 사용되는 것을 특징으로 하는 방향 판단 방법.
- 선행하는 항 중 어느 한 항에 있어서,지진 측정 시스템에 사용되는 것을 특징으로 하는 방향 판단 방법.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19712549.2 | 1997-03-25 | ||
DE19712549 | 1997-03-25 | ||
PCT/DE1998/000878 WO1998043106A2 (de) | 1997-03-25 | 1998-03-25 | Verfahren zum richtungsschätzen |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20010005580A true KR20010005580A (ko) | 2001-01-15 |
KR100532803B1 KR100532803B1 (ko) | 2005-12-02 |
Family
ID=7824590
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-1999-7008643A KR100532803B1 (ko) | 1997-03-25 | 1998-03-25 | 방향 판단 방법 |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP0970388B1 (ko) |
JP (1) | JP3935968B2 (ko) |
KR (1) | KR100532803B1 (ko) |
CN (1) | CN1201167C (ko) |
AU (1) | AU731787B2 (ko) |
DE (1) | DE59802725D1 (ko) |
RU (1) | RU2195682C2 (ko) |
WO (1) | WO1998043106A2 (ko) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19803188B4 (de) * | 1998-01-28 | 2006-04-20 | Siemens Ag | Verfahren und Basisstation zur Datenübertragung in einem Funk-Kommunikationssystem |
EP1190280B1 (de) * | 1999-06-28 | 2004-08-25 | Siemens Aktiengesellschaft | Verfahren und vorrichtung zur erfassung der bewegungsrichtung eines mobilen datenspeichers insbesondere bei einem identifikationssystem |
DE10025989B4 (de) * | 2000-05-25 | 2005-11-03 | Siemens Ag | Strahlformungsverfahren |
DE10026077B4 (de) | 2000-05-25 | 2007-03-22 | Siemens Ag | Strahlformungsverfahren |
DE10032426B4 (de) | 2000-07-04 | 2006-01-12 | Siemens Ag | Strahlformungsverfahren |
DE10051133A1 (de) | 2000-10-16 | 2002-05-02 | Siemens Ag | Strahlformungsverfahren |
US6907270B1 (en) | 2000-10-23 | 2005-06-14 | Qualcomm Inc. | Method and apparatus for reduced rank channel estimation in a communications system |
DE10058060A1 (de) | 2000-11-23 | 2002-05-29 | Siemens Ag | Verfahren und Vorrichtung zur Feedback-Übertragung in einem Funk-Kommunikationssystem |
GB2376568B (en) | 2001-06-12 | 2005-06-01 | Mobisphere Ltd | Improvements in or relating to smart antenna arrays |
CN1262130C (zh) * | 2003-03-31 | 2006-06-28 | 大唐移动通信设备有限公司 | 一种估计固定波束空间到达方向的方法 |
DE102004020276A1 (de) * | 2004-04-26 | 2005-11-17 | Rohde & Schwarz Gmbh & Co Kg | Verfahren und Vorrichtung zur Funkpeilung mehrerer spektral überlappender Funkstationen |
DE102004026790A1 (de) * | 2004-06-02 | 2005-12-29 | Siemens Ag | Verfahren zur Positionsschätzung einer Teilnehmerstation eines Funkkommunikationssystems sowie Vorrichtung |
KR101498646B1 (ko) * | 2013-12-03 | 2015-03-04 | 충남대학교산학협력단 | 다중 재머 환경에서의 doa 추정 장치 및 방법 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW351886B (en) * | 1993-09-27 | 1999-02-01 | Ericsson Telefon Ab L M | Using two classes of channels with different capacity |
FI98018C (fi) * | 1994-08-18 | 1997-03-25 | Nokia Mobile Phones Ltd | Menetelmä ja laite radiokanavan impulssivasteen mittaamiseksi |
DE19511752A1 (de) * | 1995-03-30 | 1996-10-10 | Siemens Ag | Verfahren zum hochauflösenden Auswerten von Signalen zur ein- oder zweidimensionalen Richtungs- oder Frequenzschätzung |
FI106668B (fi) * | 1995-05-24 | 2001-03-15 | Nokia Networks Oy | Tukiasemalaitteisto sekä menetelmä antennikeilan suuntaamiseksi |
-
1998
- 1998-03-25 WO PCT/DE1998/000878 patent/WO1998043106A2/de not_active Application Discontinuation
- 1998-03-25 RU RU99122616/09A patent/RU2195682C2/ru not_active IP Right Cessation
- 1998-03-25 EP EP98928072A patent/EP0970388B1/de not_active Expired - Lifetime
- 1998-03-25 KR KR10-1999-7008643A patent/KR100532803B1/ko not_active IP Right Cessation
- 1998-03-25 JP JP54321498A patent/JP3935968B2/ja not_active Expired - Fee Related
- 1998-03-25 AU AU80077/98A patent/AU731787B2/en not_active Ceased
- 1998-03-25 DE DE59802725T patent/DE59802725D1/de not_active Expired - Lifetime
- 1998-03-25 CN CNB988037254A patent/CN1201167C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
KR100532803B1 (ko) | 2005-12-02 |
EP0970388A2 (de) | 2000-01-12 |
WO1998043106A3 (de) | 1998-12-23 |
JP3935968B2 (ja) | 2007-06-27 |
CN1201167C (zh) | 2005-05-11 |
AU731787B2 (en) | 2001-04-05 |
DE59802725D1 (de) | 2002-02-21 |
AU8007798A (en) | 1998-10-20 |
JP2001519033A (ja) | 2001-10-16 |
WO1998043106A2 (de) | 1998-10-01 |
EP0970388B1 (de) | 2001-11-21 |
RU2195682C2 (ru) | 2002-12-27 |
CN1251656A (zh) | 2000-04-26 |
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