KR100978841B1 - 레이크 수신기가 구비된 광대역 코드분할 다중 접속네트워크에서 간섭 억제를 통해 폐루프 송신 다이버시티모드 성능을 개선한 방법 및 장치 - Google Patents
레이크 수신기가 구비된 광대역 코드분할 다중 접속네트워크에서 간섭 억제를 통해 폐루프 송신 다이버시티모드 성능을 개선한 방법 및 장치 Download PDFInfo
- Publication number
- KR100978841B1 KR100978841B1 KR1020070051499A KR20070051499A KR100978841B1 KR 100978841 B1 KR100978841 B1 KR 100978841B1 KR 1020070051499 A KR1020070051499 A KR 1020070051499A KR 20070051499 A KR20070051499 A KR 20070051499A KR 100978841 B1 KR100978841 B1 KR 100978841B1
- Authority
- KR
- South Korea
- Prior art keywords
- weights
- sinr
- channel
- weight
- transmitter
- 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
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
- H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
- H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
- H04B7/0621—Feedback content
- H04B7/0634—Antenna weights or vector/matrix coefficients
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/309—Measuring or estimating channel quality parameters
- H04B17/336—Signal-to-interference ratio [SIR] or carrier-to-interference ratio [CIR]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
- H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
- H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
- H04B7/0636—Feedback format
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Quality & Reliability (AREA)
- Electromagnetism (AREA)
- Mobile Radio Communication Systems (AREA)
- Noise Elimination (AREA)
Abstract
Description
Claims (10)
- 무선 통신 시스템에서 신호들을 처리하기 위한 방법에 있어서,대응하는 복수개의 가중치들에 기초하여, 송신기로부터 수신된 무선신호에 대해 복수개의 신호 대 간섭 플러스 잡음비(signal-to-intrference-plus-noise ratio; SINR) 값들을 수신기에서 계산하는 단계;상기 계산된 복수개의 SINR 값들 중 최대치를 결정하는 단계;상기 계산된 복수개의 SINR 값들 중 상기 결정된 최대치와 관련되고, 상기 대응하는 복수개의 가중치들 중 하나를 포함하는 적어도 하나의 가중치를 상기 송신기에 피드백하는 단계를 포함하되,상기 복수개의 SINR을 계산하는 단계는 채널 상태 정보 및 시스템 구조 정보 중 적어도 하나에 기초하여 수행되며,상기 시스템 구조 정보는 밴드 제한 백색 잡음 소스(band limited white noise source)의 출력 스펙트럼 밀도, 및 수신된 하향 회선 신호의 총 송신 출력 스펙트럼 밀도에 기초하고 있고,상기 방법은,적어도 하나의 위상 편이값(phase shift value)을 이용하여 상기 무선 신호에 대해 상기 복수개의 SINR 값들을 계산하는 단계; 및적어도 하나의 양자화된 스텝 값을 이용하여 [0°;360°]의 범위로부터 상기 적어도 하나의 위상 편이값을 선택하는 단계를 더 포함하는 것을 특징으로 하는 신호 처리 방법.
- 청구항 1에 있어서,적어도 하나의 상향회선(uplink) 통신 채널을 통해 상기 대응하는 복수개의 가중치들 중 하나를 포함하는 상기 적어도 하나의 가중치를 상기 송신기에 전달하는 것을 더 포함하는 신호 처리 방법.
- 청구항 2에 있어서,상기 적어도 하나의 상향회선 통신 채널은 고속 전용 물리 제어 채널(HS-DPCCH)을 포함하는 신호 처리 방법.
- 청구항 1에 있어서,상기 복수개의 SINR 값들 각각은 적어도 하나의 경로 간 간섭(inter-path interference; IPI) 값을 포함하는 신호 처리 방법.
- 청구항 1에 있어서,상기 복수개의 가중치들은 적어도 하나의 폐루프 모드 1(CLM1) 가중치를 포함하는 신호 처리 방법.
- 무선 통신 시스템에서 신호를 처리하기 위한 시스템에 있어서,수신기 내에 통합되고, 대응하는 복수개의 가중치들에 기초하여, 송신기로부터 수신된 무선 신호에 대해 수신기에서 복수개의 SINR 값들의 계산을 가능하게 하는 적어도 하나의 프로세서를 포함하고;상기 적어도 하나의 프로세서는 상기 계산된 복수개의 SINR 값들 중 최대치의 결정을 가능하게 하고;상기 적어도 하나의 프로세서는, 상기 계산된 복수개의 SINR 값들 중 상기 결정된 최대치와 관련되고, 상기 대응하는 복수개의 가중치들 중 하나를 포함하는 적어도 하나의 가중치를 상기 송신기에 피드백하는 것을 가능하되,상기 적어도 하나의 프로세서는 상기 채널 상태 정보 및 상기 시스템 구조 정보 중 적어도 하나에 기초하여 상기 수신기에서 상기 무선 신호에 대해 상기 복수개의 SINR 값들의 계산을 가능하게 하고,상기 시스템 구조 정보는 밴드 제한 백색 잡음 소스(band limited white noise source)의 출력 스펙트럼 밀도, 및 수신된 하향 회선 신호의 총 송신 출력 스펙트럼 밀도에 기초하고 있고,상기 적어도 하나의 프로세서는 적어도 하나의 위상 편이값(phase shift value)을 이용하여 상기 무선 신호에 대해 상기 복수개의 SINR 값들의 계산을 가능하게 하고,상기 적어도 하나의 프로세서는 적어도 하나의 양자화된 스텝 값을 이용하여 [0°;360°]의 범위로부터 상기 적어도 하나의 위상 편이값의 선택을 가능하게 한 것을 특징으로 하는 신호 처리 시스템.
- 청구항 6에 있어서,상기 적어도 하나의 프로세서는 적어도 하나의 상향회선(uplink) 통신 채널을 통해 상기 대응하는 복수개의 가중치들 중 하나를 포함하는 상기 적어도 하나의 가중치를 상기 송신기에 전달하는 것을 가능하게 하는 신호 처리 시스템.
- 청구항 7에 있어서,상기 적어도 하나의 상향회선 통신 채널은 고속 전용 물리 제어 채널(HS-DPCCH)을 포함하는 신호 처리 시스템.
- 청구항 6에 있어서,상기 복수개의 SINR 값들 각각은 적어도 하나의 경로 간 간섭(inter-path interference; IPI) 값을 포함하는 신호 처리 시스템.
- 청구항 6에 있어서,상기 복수개의 가중치들은 적어도 하나의 폐루프 모드 1(CLM1) 가중치를 포함하는 신호 처리 시스템.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/442,860 | 2006-05-30 | ||
US11/442,860 US7634235B2 (en) | 2006-05-30 | 2006-05-30 | Method and apparatus to improve closed loop transmit diversity modes performance via interference suppression in a WCDMA network equipped with a rake receiver |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20070115661A KR20070115661A (ko) | 2007-12-06 |
KR100978841B1 true KR100978841B1 (ko) | 2010-08-30 |
Family
ID=38434534
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020070051499A Expired - Fee Related KR100978841B1 (ko) | 2006-05-30 | 2007-05-28 | 레이크 수신기가 구비된 광대역 코드분할 다중 접속네트워크에서 간섭 억제를 통해 폐루프 송신 다이버시티모드 성능을 개선한 방법 및 장치 |
Country Status (5)
Country | Link |
---|---|
US (3) | US7634235B2 (ko) |
EP (1) | EP1863205A3 (ko) |
KR (1) | KR100978841B1 (ko) |
CN (1) | CN101090287B (ko) |
TW (1) | TWI373218B (ko) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7634235B2 (en) * | 2006-05-30 | 2009-12-15 | Broadcom Corporation | Method and apparatus to improve closed loop transmit diversity modes performance via interference suppression in a WCDMA network equipped with a rake receiver |
EP2890183B1 (en) | 2006-10-31 | 2019-05-08 | InterDigital Technology Corporation | Determining channel quality indicators (cqis) and transmission time intervals (ttis) to send cqis |
US8644263B2 (en) * | 2006-11-01 | 2014-02-04 | Unwired Planet, Llc | Method and arrangement for SINR feedback in MIMO based wireless communication systems |
US9191148B2 (en) | 2007-06-05 | 2015-11-17 | Constellation Designs, Inc. | Methods and apparatuses for signaling with geometric constellations in a Raleigh fading channel |
US8265175B2 (en) | 2007-06-05 | 2012-09-11 | Constellation Designs, Inc. | Methods and apparatuses for signaling with geometric constellations |
EP3982605A1 (en) | 2007-06-05 | 2022-04-13 | Constellation Designs, LLC | Method and apparatus for signaling with capacity optimized constellations |
JP5130364B2 (ja) * | 2007-07-19 | 2013-01-30 | テレフオンアクチーボラゲット エル エム エリクソン(パブル) | ユーザの干渉除去能力に基づくアンテナ重みの計算 |
US8116404B2 (en) * | 2007-10-10 | 2012-02-14 | Intel Corporation | Diversity receiver and method for controlling power thereof |
WO2009115541A2 (en) * | 2008-03-19 | 2009-09-24 | Nokia Siemens Networks Oy | Transmission power reduction in interference limited nodes |
JP5084952B2 (ja) * | 2008-07-25 | 2012-11-28 | エルジー エレクトロニクス インコーポレイティド | 無線通信システムでの信号を伝送するための装置及びその方法 |
WO2010024536A2 (ko) * | 2008-08-27 | 2010-03-04 | 엘지전자 주식회사 | 무선 통신 시스템에서의 신호를 전송하기 위한 장치 및 그 방법 |
US12289192B2 (en) | 2008-12-30 | 2025-04-29 | Constellation Designs, LLC | Systems and methods for receiving data transmitted using non-uniform QAM 256 constellations |
WO2010078472A1 (en) * | 2008-12-30 | 2010-07-08 | Constellation Designs, Inc. | Methods and apparatuses for signaling with geometric constellations |
CN102986269B (zh) | 2009-03-17 | 2016-03-30 | 华为技术有限公司 | 一种估计下行信道质量的方法和装置 |
GB0905357D0 (en) * | 2009-03-27 | 2009-05-13 | Icera Inc | Estimation of signal and interference power |
US8761779B2 (en) * | 2011-02-04 | 2014-06-24 | Telefonaktiebolaget L M Ericsson (Publ) | Method and apparatus for reducing intercell interference |
US9232405B2 (en) | 2012-07-30 | 2016-01-05 | Telefonaktiebolaget L M Ericsson (Publ) | Method and apparatus for inter-cell interference coordination in a wireless communication network |
US9397742B2 (en) * | 2012-08-21 | 2016-07-19 | Intel Deutschland Gmbh | Receiver circuit and method performed by such receiver circuit |
US9531483B2 (en) * | 2013-06-19 | 2016-12-27 | Qualcomm Incorporated | Devices and methods for facilitating signal-to-interference ratio estimates for closed-loop transmission diversity communications |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20040098676A (ko) * | 2003-05-15 | 2004-11-26 | 삼성전자주식회사 | 이동 통신 시스템에서 다중안테나를 사용하는송신다이버시티 방식을 사용하여 데이터를 송수신하는장치 및 방법 |
Family Cites Families (50)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1998009385A2 (en) * | 1996-08-29 | 1998-03-05 | Cisco Technology, Inc. | Spatio-temporal processing for communication |
US6269239B1 (en) * | 1998-12-11 | 2001-07-31 | Nortel Networks Corporation | System and method to combine power control commands during soft handoff in DS/CDMA cellular systems |
US6633552B1 (en) * | 1999-08-06 | 2003-10-14 | Qualcomm Incorporated | Method and apparatus for determining the closed loop power control set point in a wireless packet data communication system |
US6831943B1 (en) * | 1999-08-13 | 2004-12-14 | Texas Instruments Incorporated | Code division multiple access wireless system with closed loop mode using ninety degree phase rotation and beamformer verification |
EP1145459B1 (en) * | 1999-11-26 | 2006-05-24 | Nokia Corporation | Rake receiver |
KR100493152B1 (ko) * | 2000-07-21 | 2005-06-02 | 삼성전자주식회사 | 이동 통신 시스템에서의 전송 안테나 다이버시티 방법 및이를 위한 기지국 장치 및 이동국 장치 |
US6778612B1 (en) * | 2000-08-18 | 2004-08-17 | Lucent Technologies Inc. | Space-time processing for wireless systems with multiple transmit and receive antennas |
US7173899B1 (en) * | 2000-08-28 | 2007-02-06 | Lucent Technologies Inc. | Training and synchronization sequences for wireless systems with multiple transmit and receive antennas used in CDMA or TDMA systems |
US7110378B2 (en) * | 2000-10-03 | 2006-09-19 | Wisconsin Alumni Research Foundation | Channel aware optimal space-time signaling for wireless communication over wideband multipath channels |
US7085239B2 (en) * | 2001-01-05 | 2006-08-01 | Qualcomm, Incorporated | Method and apparatus for determining the forward link closed loop power control set point in a wireless packet data communication system |
US6940827B2 (en) * | 2001-03-09 | 2005-09-06 | Adaptix, Inc. | Communication system using OFDM for one direction and DSSS for another direction |
US6611231B2 (en) * | 2001-04-27 | 2003-08-26 | Vivato, Inc. | Wireless packet switched communication systems and networks using adaptively steered antenna arrays |
US6990137B2 (en) * | 2001-05-17 | 2006-01-24 | Qualcomm, Incorporated | System and method for received signal prediction in wireless communications systems |
US20020183010A1 (en) * | 2001-06-05 | 2002-12-05 | Catreux Severine E. | Wireless communication systems with adaptive channelization and link adaptation |
US7197282B2 (en) * | 2001-07-26 | 2007-03-27 | Ericsson Inc. | Mobile station loop-back signal processing |
US6990059B1 (en) * | 2001-09-05 | 2006-01-24 | Cisco Technology, Inc. | Interference mitigation in a wireless communication system |
US7236515B1 (en) * | 2001-11-19 | 2007-06-26 | Sprint Spectrum L.P. | Forward link time delay for distributed antenna system |
US7149258B2 (en) * | 2001-11-28 | 2006-12-12 | Telefonaktiebolaget L M Ericsson (Publ) | Method and apparatus for estimation of phase offset between communication channels |
US7116944B2 (en) * | 2002-02-07 | 2006-10-03 | Lucent Technologies Inc. | Method and apparatus for feedback error detection in a wireless communications systems |
US7499709B2 (en) * | 2002-02-07 | 2009-03-03 | Alcatel-Lucent Usa Inc. | Method and apparatus for closed loop transmit diversity in a wireless communications system |
US6687492B1 (en) * | 2002-03-01 | 2004-02-03 | Cognio, Inc. | System and method for antenna diversity using joint maximal ratio combining |
US20040198276A1 (en) * | 2002-03-26 | 2004-10-07 | Jose Tellado | Multiple channel wireless receiver |
US7031679B2 (en) * | 2002-03-27 | 2006-04-18 | Arraycomm, Llc | Estimating power on spatial channels |
US6801580B2 (en) * | 2002-04-09 | 2004-10-05 | Qualcomm, Incorporated | Ordered successive interference cancellation receiver processing for multipath channels |
KR100896682B1 (ko) * | 2002-04-09 | 2009-05-14 | 삼성전자주식회사 | 송/수신 다중 안테나를 포함하는 이동 통신 장치 및 방법 |
GB0212165D0 (en) * | 2002-05-27 | 2002-07-03 | Nokia Corp | A wireless system |
AU2002313159A1 (en) * | 2002-05-30 | 2003-12-19 | Linkair Communications, Inc. | A receiving method based on mimo cdma |
US7630321B2 (en) * | 2002-09-10 | 2009-12-08 | Qualcomm Incorporated | System and method for rate assignment |
US7412212B2 (en) * | 2002-10-07 | 2008-08-12 | Nokia Corporation | Communication system |
KR20040060274A (ko) * | 2002-12-30 | 2004-07-06 | 엘지전자 주식회사 | 무선링크의 전력제어방법 |
US7155177B2 (en) * | 2003-02-10 | 2006-12-26 | Qualcomm Incorporated | Weight prediction for closed-loop mode transmit diversity |
US7272176B2 (en) * | 2003-02-18 | 2007-09-18 | Qualcomm Incorporated | Communication receiver with an adaptive equalizer |
US7340268B2 (en) * | 2003-02-26 | 2008-03-04 | Qualcomm Incorporated | Reliability determination and combining of power control commands received in a wireless communication system |
US7483675B2 (en) * | 2004-10-06 | 2009-01-27 | Broadcom Corporation | Method and system for weight determination in a spatial multiplexing MIMO system for WCDMA/HSDPA |
KR20060012286A (ko) * | 2003-05-13 | 2006-02-07 | 코닌클리즈케 필립스 일렉트로닉스 엔.브이. | 1차 스테이션, 2차 스테이션, 통신 시스템 및 통신 시스템동작 방법 |
US6947403B2 (en) * | 2003-06-27 | 2005-09-20 | Nokia Corporation | Advanced whitener-rake receiver for WCDMA terminal |
US7245879B2 (en) * | 2003-08-08 | 2007-07-17 | Intel Corporation | Apparatus and associated methods to perform intelligent transmit power control with subcarrier puncturing |
EP1671432B1 (en) * | 2003-10-01 | 2018-02-21 | Avago Technologies General IP (Singapore) Pte. Ltd. | System and method for antenna selection |
US7339980B2 (en) * | 2004-03-05 | 2008-03-04 | Telefonaktiebolaget Lm Ericsson (Publ) | Successive interference cancellation in a generalized RAKE receiver architecture |
KR20050089698A (ko) * | 2004-03-05 | 2005-09-08 | 삼성전자주식회사 | 어레이 안테나를 갖는 이동통신시스템에서 데이터 송/수신장치 및 방법 |
WO2005125044A1 (en) * | 2004-06-22 | 2005-12-29 | Nortel Networks Limited | Closed loop mimo systems and methods |
US7570696B2 (en) * | 2004-06-25 | 2009-08-04 | Intel Corporation | Multiple input multiple output multicarrier communication system and methods with quantized beamforming feedback |
KR100876797B1 (ko) * | 2004-07-13 | 2009-01-07 | 삼성전자주식회사 | 다중 안테나 시스템에서의 빔포밍 장치 및 방법 |
US7471694B2 (en) * | 2004-10-06 | 2008-12-30 | Broadcom Corporation | Method and system for channel estimation in a single channel (SC) multiple-input multiple-output (MIMO) system comprising two-transmit (2-Tx) and multiple-receive (M-RX) antennas for WCDMA/HSDPA |
US7684761B2 (en) * | 2004-11-04 | 2010-03-23 | Nokia Corporation | Closed-loop signalling method for controlling multiple transmit beams and correspondingly adapted transceiver devices |
KR20060059553A (ko) | 2004-11-29 | 2006-06-02 | 삼성전자주식회사 | 부유 확산층을 갖는 이미지 센서 및 그 형성 방법 |
KR100849328B1 (ko) * | 2005-11-22 | 2008-07-29 | 삼성전자주식회사 | 다중 안테나를 사용하는 통신 시스템에서 송수신 안테나결정 장치 및 방법 |
US7634235B2 (en) * | 2006-05-30 | 2009-12-15 | Broadcom Corporation | Method and apparatus to improve closed loop transmit diversity modes performance via interference suppression in a WCDMA network equipped with a rake receiver |
JP4189410B2 (ja) * | 2006-06-12 | 2008-12-03 | 株式会社東芝 | 無線通信装置及び送信制御方法 |
US7839835B2 (en) * | 2006-08-22 | 2010-11-23 | Nec Laboratories America, Inc. | Quantized precoding over a set of parallel channels |
-
2006
- 2006-05-30 US US11/442,860 patent/US7634235B2/en active Active
- 2006-12-19 EP EP06026364A patent/EP1863205A3/en not_active Withdrawn
-
2007
- 2007-05-28 KR KR1020070051499A patent/KR100978841B1/ko not_active Expired - Fee Related
- 2007-05-30 TW TW096119324A patent/TWI373218B/zh not_active IP Right Cessation
- 2007-05-30 CN CN2007101098401A patent/CN101090287B/zh not_active Expired - Fee Related
-
2009
- 2009-12-15 US US12/638,686 patent/US8005432B2/en not_active Expired - Fee Related
-
2011
- 2011-05-17 US US13/109,187 patent/US8160500B2/en not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20040098676A (ko) * | 2003-05-15 | 2004-11-26 | 삼성전자주식회사 | 이동 통신 시스템에서 다중안테나를 사용하는송신다이버시티 방식을 사용하여 데이터를 송수신하는장치 및 방법 |
Also Published As
Publication number | Publication date |
---|---|
US8005432B2 (en) | 2011-08-23 |
TWI373218B (en) | 2012-09-21 |
HK1115684A1 (en) | 2008-12-05 |
EP1863205A3 (en) | 2012-05-02 |
CN101090287B (zh) | 2011-09-07 |
EP1863205A2 (en) | 2007-12-05 |
KR20070115661A (ko) | 2007-12-06 |
US20070280147A1 (en) | 2007-12-06 |
US20110217936A1 (en) | 2011-09-08 |
US8160500B2 (en) | 2012-04-17 |
US7634235B2 (en) | 2009-12-15 |
US20100330925A1 (en) | 2010-12-30 |
CN101090287A (zh) | 2007-12-19 |
TW200828846A (en) | 2008-07-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR100978841B1 (ko) | 레이크 수신기가 구비된 광대역 코드분할 다중 접속네트워크에서 간섭 억제를 통해 폐루프 송신 다이버시티모드 성능을 개선한 방법 및 장치 | |
US7881673B2 (en) | Method and system for weight determination in a spatial multiplexing MIMO system for WCDMA/HSDPA | |
KR100950206B1 (ko) | Hsdpa 채널 품질 지시자 선택에서 적응 잡음 내지신호 필터링을 위한 방법 및 장치 | |
US8391322B2 (en) | Method and system for single weight (SW) antenna system for spatial multiplexing (SM) MIMO system for WCDMA/HSDPA | |
US8363567B2 (en) | Method and system for channel estimation in a single channel (SC) multiple-input multiple-output (MIMO) system comprising two-transmit (2-Tx) and multiple-receive (M-Rx) antennas for WCDMA/HSDPA | |
US8670510B2 (en) | Method and system for channel estimation in a single channel MIMO system with multiple RF chains for WCDMA/HSDPA | |
US8477803B2 (en) | Method and system for implementing a single weight (SW) single channel (SC) MIMO system with no insertion loss | |
US9094062B2 (en) | Method and system for implementing a single weight (SW) single channel (SC) MIMO system | |
US7894507B2 (en) | Method and system for HSDPA maximum ratio combination (MRC) and equalization switching | |
US8340139B2 (en) | Method and system for weight determination in a single channel (SC) multiple-input multiple-output (MIMO) system for WCDMA/HSDPA | |
HK1115684B (en) | Method and system for signal processing in wireless communication system |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PA0109 | Patent application |
St.27 status event code: A-0-1-A10-A12-nap-PA0109 |
|
R18-X000 | Changes to party contact information recorded |
St.27 status event code: A-3-3-R10-R18-oth-X000 |
|
A201 | Request for examination | ||
PA0201 | Request for examination |
St.27 status event code: A-1-2-D10-D11-exm-PA0201 |
|
PG1501 | Laying open of application |
St.27 status event code: A-1-1-Q10-Q12-nap-PG1501 |
|
D13-X000 | Search requested |
St.27 status event code: A-1-2-D10-D13-srh-X000 |
|
D14-X000 | Search report completed |
St.27 status event code: A-1-2-D10-D14-srh-X000 |
|
E902 | Notification of reason for refusal | ||
PE0902 | Notice of grounds for rejection |
St.27 status event code: A-1-2-D10-D21-exm-PE0902 |
|
R17-X000 | Change to representative recorded |
St.27 status event code: A-3-3-R10-R17-oth-X000 |
|
AMND | Amendment | ||
P11-X000 | Amendment of application requested |
St.27 status event code: A-2-2-P10-P11-nap-X000 |
|
P13-X000 | Application amended |
St.27 status event code: A-2-2-P10-P13-nap-X000 |
|
E90F | Notification of reason for final refusal | ||
PE0902 | Notice of grounds for rejection |
St.27 status event code: A-1-2-D10-D21-exm-PE0902 |
|
AMND | Amendment | ||
P11-X000 | Amendment of application requested |
St.27 status event code: A-2-2-P10-P11-nap-X000 |
|
E601 | Decision to refuse application | ||
E801 | Decision on dismissal of amendment | ||
PE0601 | Decision on rejection of patent |
St.27 status event code: N-2-6-B10-B15-exm-PE0601 |
|
PE0801 | Dismissal of amendment |
St.27 status event code: A-2-2-P10-P12-nap-PE0801 |
|
J201 | Request for trial against refusal decision | ||
PJ0201 | Trial against decision of rejection |
St.27 status event code: A-3-3-V10-V11-apl-PJ0201 |
|
AMND | Amendment | ||
P11-X000 | Amendment of application requested |
St.27 status event code: A-2-2-P10-P11-nap-X000 |
|
P13-X000 | Application amended |
St.27 status event code: A-2-2-P10-P13-nap-X000 |
|
PB0901 | Examination by re-examination before a trial |
St.27 status event code: A-6-3-E10-E12-rex-PB0901 |
|
B701 | Decision to grant | ||
PB0701 | Decision of registration after re-examination before a trial |
St.27 status event code: A-3-4-F10-F13-rex-PB0701 |
|
GRNT | Written decision to grant | ||
PR0701 | Registration of establishment |
St.27 status event code: A-2-4-F10-F11-exm-PR0701 |
|
PR1002 | Payment of registration fee |
St.27 status event code: A-2-2-U10-U11-oth-PR1002 Fee payment year number: 1 |
|
PG1601 | Publication of registration |
St.27 status event code: A-4-4-Q10-Q13-nap-PG1601 |
|
FPAY | Annual fee payment |
Payment date: 20130820 Year of fee payment: 4 |
|
PR1001 | Payment of annual fee |
St.27 status event code: A-4-4-U10-U11-oth-PR1001 Fee payment year number: 4 |
|
LAPS | Lapse due to unpaid annual fee | ||
PC1903 | Unpaid annual fee |
St.27 status event code: A-4-4-U10-U13-oth-PC1903 Not in force date: 20140825 Payment event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE |
|
PC1903 | Unpaid annual fee |
St.27 status event code: N-4-6-H10-H13-oth-PC1903 Ip right cessation event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE Not in force date: 20140825 |
|
P22-X000 | Classification modified |
St.27 status event code: A-4-4-P10-P22-nap-X000 |