CA2525146A1 - Systeme de retroaction a boucle fermee pour ameliorer la performance de la liaison descendante - Google Patents

Systeme de retroaction a boucle fermee pour ameliorer la performance de la liaison descendante Download PDF

Info

Publication number
CA2525146A1
CA2525146A1 CA002525146A CA2525146A CA2525146A1 CA 2525146 A1 CA2525146 A1 CA 2525146A1 CA 002525146 A CA002525146 A CA 002525146A CA 2525146 A CA2525146 A CA 2525146A CA 2525146 A1 CA2525146 A1 CA 2525146A1
Authority
CA
Canada
Prior art keywords
space
signal
time
beams
time coded
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.)
Abandoned
Application number
CA002525146A
Other languages
English (en)
Inventor
Juha Ylitalo
Marcos Katz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Intellectual Ventures I LLC
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from US09/586,561 external-priority patent/US7139324B1/en
Application filed by Individual filed Critical Individual
Publication of CA2525146A1 publication Critical patent/CA2525146A1/fr
Abandoned legal-status Critical Current

Links

Landscapes

  • Mobile Radio Communication Systems (AREA)
CA002525146A 2000-06-02 2001-06-01 Systeme de retroaction a boucle fermee pour ameliorer la performance de la liaison descendante Abandoned CA2525146A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/586,561 2000-06-02
US09/586,561 US7139324B1 (en) 2000-06-02 2000-06-02 Closed loop feedback system for improved down link performance
CA002410982A CA2410982C (fr) 2000-06-02 2001-06-01 Systeme de retroaction a boucle fermee pour ameliorer la performance de la liaison descendante

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA002410982A Division CA2410982C (fr) 2000-06-02 2001-06-01 Systeme de retroaction a boucle fermee pour ameliorer la performance de la liaison descendante

Publications (1)

Publication Number Publication Date
CA2525146A1 true CA2525146A1 (fr) 2002-01-03

Family

ID=35589075

Family Applications (2)

Application Number Title Priority Date Filing Date
CA002525146A Abandoned CA2525146A1 (fr) 2000-06-02 2001-06-01 Systeme de retroaction a boucle fermee pour ameliorer la performance de la liaison descendante
CA002526118A Abandoned CA2526118A1 (fr) 2000-06-02 2001-06-01 System de retroaction a boucle fermee pour ameliorer la performance de la liaison descendante

Family Applications After (1)

Application Number Title Priority Date Filing Date
CA002526118A Abandoned CA2526118A1 (fr) 2000-06-02 2001-06-01 System de retroaction a boucle fermee pour ameliorer la performance de la liaison descendante

Country Status (1)

Country Link
CA (2) CA2525146A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113507305A (zh) * 2021-07-31 2021-10-15 西南电子技术研究所(中国电子科技集团公司第十研究所) 数字阵列波束形成装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113507305A (zh) * 2021-07-31 2021-10-15 西南电子技术研究所(中国电子科技集团公司第十研究所) 数字阵列波束形成装置

Also Published As

Publication number Publication date
CA2526118A1 (fr) 2002-01-03

Similar Documents

Publication Publication Date Title
EP1487134B1 (fr) Système avec de rétroaction a boucle fermée pour améliorer la performance de la liaison descendante
US6788661B1 (en) Adaptive beam-time coding method and apparatus
KR100463526B1 (ko) 다중 입력 다중 출력 시스템에서의 전력 할당 방법
ES2539241T3 (es) Método y sistema en un transceptor para controlar un canal de comunicaciones de múltiples entradas, múltiples salidas
JP5432879B2 (ja) マルチビームアンテナシステムのための方法と装置
CN1860701B (zh) 选择天线的方法和系统
KR100876797B1 (ko) 다중 안테나 시스템에서의 빔포밍 장치 및 방법
US20070243831A1 (en) Wireless communication system
KR20020015668A (ko) 공간-시간 전송 다이버시티를 사용하여 이동 cdma통신을 향상시키기 위한 방법
KR20050120441A (ko) 다중 안테나를 사용하는 이동통신 시스템의 송신다이버시티 장치 및 방법
US7184488B2 (en) Quasi-orthogonal space-time codes
EP1198939B1 (fr) Procede et systeme pour combiner les techniques de diversite de transmission orthogonale et de reseau adaptatif dans un systeme de communication sans fil
CN1868147B (zh) 信道自适应天线选择的方法及系统
CA2525146A1 (fr) Systeme de retroaction a boucle fermee pour ameliorer la performance de la liaison descendante
Pedersen et al. A simple downlink antenna array algorithm based on a hybrid scheme of transmit diversity and conventional beamforming
Paulraj et al. Space-time wireless communications (aka smart antennas)

Legal Events

Date Code Title Description
EEER Examination request
FZDE Dead