HUE049055T2 - Pilot adási módszerek vezeték nélküli többvivõs kommunikációs rendszerekhez - Google Patents

Pilot adási módszerek vezeték nélküli többvivõs kommunikációs rendszerekhez

Info

Publication number
HUE049055T2
HUE049055T2 HUE10012069A HUE10012069A HUE049055T2 HU E049055 T2 HUE049055 T2 HU E049055T2 HU E10012069 A HUE10012069 A HU E10012069A HU E10012069 A HUE10012069 A HU E10012069A HU E049055 T2 HUE049055 T2 HU E049055T2
Authority
HU
Hungary
Prior art keywords
pilot
pilots
orthogonality
transmission schemes
pilot transmission
Prior art date
Application number
HUE10012069A
Other languages
English (en)
Inventor
John E Smee
Jay Rodney Walton
Durga Prasad Malladi
Original Assignee
Qualcomm Inc
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
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of HUE049055T2 publication Critical patent/HUE049055T2/hu

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0037—Inter-user or inter-terminal allocation
    • H04L5/0039—Frequency-contiguous, i.e. with no allocation of frequencies for one user or terminal between the frequencies allocated to another
    • 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
    • H04B7/0667—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 delayed versions of same signal
    • H04B7/0669—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 delayed versions of same signal using different channel coding between antennas
    • 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
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
    • H04B7/0842—Weighted combining
    • H04B7/0848—Joint weighting
    • H04B7/0854—Joint weighting using error minimizing algorithms, e.g. minimum mean squared error [MMSE], "cross-correlation" or matrix inversion
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0015—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy
    • H04L1/0017—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy where the mode-switching is based on Quality of Service requirement
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0071—Use of interleaving
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
    • H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
    • H04L1/0618—Space-time coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03343—Arrangements at the transmitter end
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2602—Signal structure
    • H04L27/26035—Maintenance of orthogonality, e.g. for signals exchanged between cells or users, or by using covering codes or sequences
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2602—Signal structure
    • H04L27/261—Details of reference signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0224—Channel estimation using sounding signals
    • H04L25/0226—Channel estimation using sounding signals sounding signals per se
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03828—Arrangements for spectral shaping; Arrangements for providing signals with specified spectral properties
    • H04L25/03866—Arrangements for spectral shaping; Arrangements for providing signals with specified spectral properties using scrambling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0014—Three-dimensional division
    • H04L5/0023—Time-frequency-space
HUE10012069A 2003-01-07 2004-01-07 Pilot adási módszerek vezeték nélküli többvivõs kommunikációs rendszerekhez HUE049055T2 (hu)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US43860103P 2003-01-07 2003-01-07
US10/359,811 US7280467B2 (en) 2003-01-07 2003-02-07 Pilot transmission schemes for wireless multi-carrier communication systems

Publications (1)

Publication Number Publication Date
HUE049055T2 true HUE049055T2 (hu) 2020-08-28

Family

ID=32684731

Family Applications (1)

Application Number Title Priority Date Filing Date
HUE10012069A HUE049055T2 (hu) 2003-01-07 2004-01-07 Pilot adási módszerek vezeték nélküli többvivõs kommunikációs rendszerekhez

Country Status (19)

Country Link
US (1) US7280467B2 (hu)
EP (3) EP1582042B1 (hu)
JP (3) JP2006517759A (hu)
KR (1) KR100978453B1 (hu)
AT (1) ATE525839T1 (hu)
AU (2) AU2004204911C1 (hu)
BR (1) BRPI0406644A (hu)
CA (1) CA2512551C (hu)
DK (1) DK2282438T3 (hu)
ES (1) ES2791527T3 (hu)
HK (1) HK1086401A1 (hu)
HU (1) HUE049055T2 (hu)
IL (1) IL169509A0 (hu)
MX (1) MXPA05007428A (hu)
PT (1) PT2282438T (hu)
RU (2) RU2507699C2 (hu)
SI (1) SI2282438T1 (hu)
TW (1) TWI324453B (hu)
WO (1) WO2004064295A2 (hu)

Families Citing this family (251)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9130810B2 (en) 2000-09-13 2015-09-08 Qualcomm Incorporated OFDM communications methods and apparatus
US7295509B2 (en) 2000-09-13 2007-11-13 Qualcomm, Incorporated Signaling method in an OFDM multiple access system
US6993333B2 (en) 2003-10-16 2006-01-31 Flarion Technologies, Inc. Methods and apparatus of improving inter-sector and/or inter-cell handoffs in a multi-carrier wireless communications system
US8320301B2 (en) 2002-10-25 2012-11-27 Qualcomm Incorporated MIMO WLAN system
US20040081131A1 (en) 2002-10-25 2004-04-29 Walton Jay Rod OFDM communication system with multiple OFDM symbol sizes
US7002900B2 (en) 2002-10-25 2006-02-21 Qualcomm Incorporated Transmit diversity processing for a multi-antenna communication system
US8169944B2 (en) 2002-10-25 2012-05-01 Qualcomm Incorporated Random access for wireless multiple-access communication systems
US8134976B2 (en) 2002-10-25 2012-03-13 Qualcomm Incorporated Channel calibration for a time division duplexed communication system
US8208364B2 (en) 2002-10-25 2012-06-26 Qualcomm Incorporated MIMO system with multiple spatial multiplexing modes
US7986742B2 (en) 2002-10-25 2011-07-26 Qualcomm Incorporated Pilots for MIMO communication system
US8570988B2 (en) 2002-10-25 2013-10-29 Qualcomm Incorporated Channel calibration for a time division duplexed communication system
US7042857B2 (en) 2002-10-29 2006-05-09 Qualcom, Incorporated Uplink pilot and signaling transmission in wireless communication systems
US8400979B2 (en) * 2003-01-07 2013-03-19 Qualcomm Incorporated Forward link handoff for wireless communication systems with OFDM forward link and CDMA reverse link
FR2851384B1 (fr) * 2003-02-17 2009-12-18 Wavecom Procede de transmission de donnees radio, signal, systeme et dispositifs correspondant.
US9661519B2 (en) 2003-02-24 2017-05-23 Qualcomm Incorporated Efficient reporting of information in a wireless communication system
US9544860B2 (en) 2003-02-24 2017-01-10 Qualcomm Incorporated Pilot signals for use in multi-sector cells
US7218948B2 (en) * 2003-02-24 2007-05-15 Qualcomm Incorporated Method of transmitting pilot tones in a multi-sector cell, including null pilot tones, for generating channel quality indicators
US7095790B2 (en) * 2003-02-25 2006-08-22 Qualcomm, Incorporated Transmission schemes for multi-antenna communication systems utilizing multi-carrier modulation
US7177297B2 (en) * 2003-05-12 2007-02-13 Qualcomm Incorporated Fast frequency hopping with a code division multiplexed pilot in an OFDMA system
KR100539947B1 (ko) * 2003-06-18 2005-12-28 삼성전자주식회사 직교 주파수 분할 다중 방식을 사용하는 통신 시스템에서기지국 구분을 위한 파일럿 패턴 송수신 장치 및 방법
KR100539948B1 (ko) * 2003-06-18 2005-12-28 삼성전자주식회사 직교 주파수 분할 다중 방식을 사용하는 통신 시스템에서기지국 구분을 위한 파일럿 패턴 세트 송수신 장치 및 방법
CN1788443B (zh) * 2003-07-29 2012-11-14 富士通株式会社 Ofdm系统中的导频复用方法
KR100594597B1 (ko) * 2003-10-24 2006-06-30 한국전자통신연구원 이동통신시스템에서의 하향링크 신호 구성 방법 및 그장치와, 이를 이용한 동기화 및 셀 탐색 방법과 그 장치
KR100957415B1 (ko) * 2003-10-31 2010-05-11 삼성전자주식회사 직교 주파수 분할 다중 방식을 사용하는 통신 시스템에서 기지국 구분을 위한 파일럿 신호 송수신 장치 및 방법
FI20031702A0 (fi) * 2003-11-21 2003-11-21 Nokia Corp Useiden kantoaaltojen allokointi usealle käyttäjälle viestintäjärjestelmässä
US9473269B2 (en) 2003-12-01 2016-10-18 Qualcomm Incorporated Method and apparatus for providing an efficient control channel structure in a wireless communication system
KR100856227B1 (ko) * 2003-12-15 2008-09-03 삼성전자주식회사 이동통신시스템에서의 송/수신장치 및 방법
TWI232041B (en) * 2004-01-15 2005-05-01 Accton Technology Corp Multicarrier and multirate CDMA system
KR20050075242A (ko) * 2004-01-16 2005-07-20 삼성전자주식회사 주파수 인터리빙 ｍｃ-ｃｄｍａ 시스템에서의 파일럿 채널기반의 채널추정방법
US8611283B2 (en) 2004-01-28 2013-12-17 Qualcomm Incorporated Method and apparatus of using a single channel to provide acknowledgement and assignment messages
WO2005074166A1 (en) 2004-01-29 2005-08-11 Neocific, Inc. Methods and apparatus for overlaying multi-carrier and direct sequence spread spectrum signals in a broadband wireless communication system
US7742533B2 (en) 2004-03-12 2010-06-22 Kabushiki Kaisha Toshiba OFDM signal transmission method and apparatus
KR100798968B1 (ko) * 2004-03-13 2008-01-28 삼성전자주식회사 직교 분할 다중 접속 시스템에서 파일럿 신호 송수신 방법 및 장치
US7545874B1 (en) * 2004-04-05 2009-06-09 National Semiconductor Corporation Apparatus for pre-scaling data packets with multiple signal gain coefficients in a SIMO/MISO transceiver for communication with a SISO transceiver
KR100643740B1 (ko) * 2004-04-09 2006-11-10 삼성전자주식회사 직교 주파수 분할 다중 방식을 사용하는 통신 시스템에서기지국 구분을 위한 파일럿 코드 패턴 송수신 장치 및 방법
JP4447372B2 (ja) * 2004-05-13 2010-04-07 株式会社エヌ・ティ・ティ・ドコモ 無線通信システム、無線通信装置、無線受信装置、無線通信方法及びチャネル推定方法
US9525977B2 (en) * 2004-06-15 2016-12-20 Texas Instruments Incorporated Broadcast multicast mode
KR100744336B1 (ko) * 2004-06-18 2007-07-30 삼성전자주식회사 Ｏｆｄｍ기반의 무선 통신 시스템에서의 핸드오버 방법
KR100739511B1 (ko) * 2004-06-25 2007-07-13 삼성전자주식회사 직교 주파수 분할 다중 방식을 사용하는 통신 시스템에서파일럿 신호 송수신 장치 및 방법
US7583586B2 (en) * 2004-07-02 2009-09-01 Samsung Electronics Co., Ltd Apparatus and method for transmitting/receiving pilot signal in communication system using OFDM scheme
US20060009168A1 (en) * 2004-07-12 2006-01-12 Lucent Technologies, Inc. Method for controlling transmissions using both diversity and nondiversity transmission schemes
US7430163B2 (en) * 2004-07-19 2008-09-30 Tzero Technologies, Inc. Data stream transmission preprocessing
DE102004035018A1 (de) * 2004-07-20 2006-02-16 Siemens Ag Verfahren zur Signalübertragung in einem Kommunikationssystem
US9148256B2 (en) 2004-07-21 2015-09-29 Qualcomm Incorporated Performance based rank prediction for MIMO design
US9137822B2 (en) 2004-07-21 2015-09-15 Qualcomm Incorporated Efficient signaling over access channel
US7372913B2 (en) * 2004-07-22 2008-05-13 Qualcomm Incorporated Pilot tones in a multi-transmit OFDM system usable to capture transmitter diversity benefits
US8891349B2 (en) 2004-07-23 2014-11-18 Qualcomm Incorporated Method of optimizing portions of a frame
CN100352183C (zh) * 2004-08-14 2007-11-28 华为技术有限公司 信道建立方法
CN100421365C (zh) * 2004-08-14 2008-09-24 华为技术有限公司 实现用户设备无线资源控制的方法
KR20060016053A (ko) * 2004-08-16 2006-02-21 삼성전자주식회사 무선 통신 시스템에서 프리앰블 송수신 장치 및 방법
US8484272B2 (en) * 2004-08-20 2013-07-09 Qualcomm Incorporated Unified pulse shaping for multi-carrier and single-carrier waveforms
US7852746B2 (en) * 2004-08-25 2010-12-14 Qualcomm Incorporated Transmission of signaling in an OFDM-based system
JP2008512963A (ja) * 2004-09-09 2008-04-24 アギア システムズ インコーポレーテッド マルチ・アンテナ通信システムにおいて直交パイロット・トーンを伝達するための方法および装置
KR100735231B1 (ko) * 2004-11-11 2007-07-03 삼성전자주식회사 이동통신 시스템에서 파일럿 톤 배치 방법 및 장치
US8238923B2 (en) 2004-12-22 2012-08-07 Qualcomm Incorporated Method of using shared resources in a communication system
US8571132B2 (en) 2004-12-22 2013-10-29 Qualcomm Incorporated Constrained hopping in wireless communication systems
US8831115B2 (en) 2004-12-22 2014-09-09 Qualcomm Incorporated MC-CDMA multiplexing in an orthogonal uplink
US7852822B2 (en) * 2004-12-22 2010-12-14 Qualcomm Incorporated Wide area and local network ID transmission for communication systems
CA2592616C (en) 2004-12-27 2013-09-03 Lg Electronics Inc. Communicating non-coherent detectable signal in broadband wireless access system
TW200704072A (en) * 2005-03-01 2007-01-16 Qualcomm Inc Channel estimation optimization for multiple transmit modes
DE602005003550T2 (de) * 2005-03-01 2008-10-23 Alcatel Lucent Verfahren zur OFDM Datenübertragung in einem mobilen Mehrzellen-Netzwerk mit Pilotsymbolen zur Kanalschätzung, und entsprechende Basisstation, Basisstationkontroller, Mobilnetzwerk
US8135088B2 (en) * 2005-03-07 2012-03-13 Q1UALCOMM Incorporated Pilot transmission and channel estimation for a communication system utilizing frequency division multiplexing
US7813383B2 (en) * 2005-03-10 2010-10-12 Qualcomm Incorporated Method for transmission of time division multiplexed pilot symbols to aid channel estimation, time synchronization, and AGC bootstrapping in a multicast wireless system
US9246560B2 (en) 2005-03-10 2016-01-26 Qualcomm Incorporated Systems and methods for beamforming and rate control in a multi-input multi-output communication systems
US9154211B2 (en) 2005-03-11 2015-10-06 Qualcomm Incorporated Systems and methods for beamforming feedback in multi antenna communication systems
US8446892B2 (en) 2005-03-16 2013-05-21 Qualcomm Incorporated Channel structures for a quasi-orthogonal multiple-access communication system
US9461859B2 (en) * 2005-03-17 2016-10-04 Qualcomm Incorporated Pilot signal transmission for an orthogonal frequency division wireless communication system
US9143305B2 (en) 2005-03-17 2015-09-22 Qualcomm Incorporated Pilot signal transmission for an orthogonal frequency division wireless communication system
US9520972B2 (en) 2005-03-17 2016-12-13 Qualcomm Incorporated Pilot signal transmission for an orthogonal frequency division wireless communication system
EP1864457B1 (en) * 2005-03-29 2013-07-31 Panasonic Corporation Adative modulation with non-pilot symbols
WO2006102771A1 (en) 2005-03-30 2006-10-05 Nortel Networks Limited Methods and systems for ofdm using code division multiplexing
JP2006311475A (ja) * 2005-03-31 2006-11-09 Ntt Docomo Inc 制御装置、移動局および移動通信システム並びに制御方法
US9184870B2 (en) 2005-04-01 2015-11-10 Qualcomm Incorporated Systems and methods for control channel signaling
US9036538B2 (en) 2005-04-19 2015-05-19 Qualcomm Incorporated Frequency hopping design for single carrier FDMA systems
US9408220B2 (en) 2005-04-19 2016-08-02 Qualcomm Incorporated Channel quality reporting for adaptive sectorization
US8634432B2 (en) * 2005-05-06 2014-01-21 Samsung Electronics Co., Ltd. System and method for subcarrier allocation in a multicarrier wireless network
US7466749B2 (en) 2005-05-12 2008-12-16 Qualcomm Incorporated Rate selection with margin sharing
US7768979B2 (en) * 2005-05-18 2010-08-03 Qualcomm Incorporated Separating pilot signatures in a frequency hopping OFDM system by selecting pilot symbols at least hop away from an edge of a hop region
EP1727297A1 (en) * 2005-05-25 2006-11-29 Siemens Aktiengesellschaft Method and Terminal for reducing interference in a radio communication system
US8565194B2 (en) 2005-10-27 2013-10-22 Qualcomm Incorporated Puncturing signaling channel for a wireless communication system
US8879511B2 (en) 2005-10-27 2014-11-04 Qualcomm Incorporated Assignment acknowledgement for a wireless communication system
US8611284B2 (en) 2005-05-31 2013-12-17 Qualcomm Incorporated Use of supplemental assignments to decrement resources
US8462859B2 (en) 2005-06-01 2013-06-11 Qualcomm Incorporated Sphere decoding apparatus
US7554948B2 (en) * 2005-06-07 2009-06-30 Qualcomm, Incorporated Reception of H-ARQ transmissions with interference cancellation in a quasi-orthogonal communication system
JP4440831B2 (ja) * 2005-06-14 2010-03-24 株式会社エヌ・ティ・ティ・ドコモ 基地局装置、送信方法及び通信システム
US8730877B2 (en) * 2005-06-16 2014-05-20 Qualcomm Incorporated Pilot and data transmission in a quasi-orthogonal single-carrier frequency division multiple access system
US8599945B2 (en) 2005-06-16 2013-12-03 Qualcomm Incorporated Robust rank prediction for a MIMO system
KR100880991B1 (ko) * 2005-06-16 2009-02-03 삼성전자주식회사 이동통신 시스템에서 다중 안테나를 이용한 파일럿 송수신장치 및 방법
US9179319B2 (en) 2005-06-16 2015-11-03 Qualcomm Incorporated Adaptive sectorization in cellular systems
KR100953940B1 (ko) * 2005-06-27 2010-04-22 삼성전자주식회사 직교 주파수 분할 다중화 시스템에서 소프트 핸드오버 영역의 단말을 위한 하향링크 데이터 송수신 방법 및 장치
JP4546342B2 (ja) 2005-07-07 2010-09-15 パナソニック株式会社 送信装置および送信方法
KR101108054B1 (ko) 2005-07-15 2012-01-25 엘지전자 주식회사 Ｍｉｍｏ-ｏｆｄｍ 시스템에서의 전치부호 전송 방법 및데이터 전송 장치
US7995664B2 (en) * 2005-07-15 2011-08-09 Lg Electronics Inc. Method and apparatus for transmitting pilot symbols in wireless communication system
US8064424B2 (en) * 2005-07-22 2011-11-22 Qualcomm Incorporated SDMA for WCDMA
US8014362B2 (en) * 2005-07-28 2011-09-06 Telecom Italia S.P.A. Method for the assignment of scrambling codes to cells of a CDMA cellular mobile communications network
US8885628B2 (en) 2005-08-08 2014-11-11 Qualcomm Incorporated Code division multiplexing in a single-carrier frequency division multiple access system
US8331216B2 (en) * 2005-08-09 2012-12-11 Qualcomm Incorporated Channel and interference estimation in single-carrier and multi-carrier frequency division multiple access systems
US8594252B2 (en) * 2005-08-22 2013-11-26 Qualcomm Incorporated Interference cancellation for wireless communications
US8611305B2 (en) 2005-08-22 2013-12-17 Qualcomm Incorporated Interference cancellation for wireless communications
US8630602B2 (en) * 2005-08-22 2014-01-14 Qualcomm Incorporated Pilot interference cancellation
US9071344B2 (en) 2005-08-22 2015-06-30 Qualcomm Incorporated Reverse link interference cancellation
US8743909B2 (en) * 2008-02-20 2014-06-03 Qualcomm Incorporated Frame termination
KR100965677B1 (ko) * 2005-08-22 2010-06-24 삼성전자주식회사 다중반송파 방식을 사용하는 셀룰러 기반의 무선통신시스템에서의 자원할당 방법 및 할당된 자원을 수신하는방법
US20070041457A1 (en) 2005-08-22 2007-02-22 Tamer Kadous Method and apparatus for providing antenna diversity in a wireless communication system
US9209956B2 (en) 2005-08-22 2015-12-08 Qualcomm Incorporated Segment sensitive scheduling
EP1906576B1 (en) 2005-08-24 2016-11-16 Wi-Fi One, LLC Mimo-ofdm transmission device and mimo-ofdm transmission method
US8644292B2 (en) 2005-08-24 2014-02-04 Qualcomm Incorporated Varied transmission time intervals for wireless communication system
KR100729727B1 (ko) * 2005-08-25 2007-06-18 한국전자통신연구원 Ｏｆｄｍａ 이동통신 시스템에서의 간섭을 제거하는 수신방법 및 장치
US8355376B2 (en) * 2005-08-25 2013-01-15 Samsung Electronics Co., Ltd Broadcast scheme for a multi-carrier wireless network
US8855704B2 (en) 2005-08-26 2014-10-07 Qualcomm Incorporated Fast cell selection in TD-CDMA (UMTS TDD)
US9136974B2 (en) 2005-08-30 2015-09-15 Qualcomm Incorporated Precoding and SDMA support
US8139672B2 (en) * 2005-09-23 2012-03-20 Qualcomm Incorporated Method and apparatus for pilot communication in a multi-antenna wireless communication system
US20070071145A1 (en) * 2005-09-23 2007-03-29 Yona Perets Method and apparatus to correct channel quality indicator estimation
US9191840B2 (en) 2005-10-14 2015-11-17 Qualcomm Incorporated Methods and apparatus for determining, communicating and using information which can be used for interference control
US8989084B2 (en) * 2005-10-14 2015-03-24 Qualcomm Incorporated Methods and apparatus for broadcasting loading information corresponding to neighboring base stations
WO2007051072A2 (en) * 2005-10-27 2007-05-03 Qualcomm Incorporated A method and apparatus for bit demultiplexing in a wireless communication systems
US8582509B2 (en) 2005-10-27 2013-11-12 Qualcomm Incorporated Scalable frequency band operation in wireless communication systems
US8477684B2 (en) 2005-10-27 2013-07-02 Qualcomm Incorporated Acknowledgement of control messages in a wireless communication system
US8693405B2 (en) 2005-10-27 2014-04-08 Qualcomm Incorporated SDMA resource management
US9144060B2 (en) 2005-10-27 2015-09-22 Qualcomm Incorporated Resource allocation for shared signaling channels
US9088384B2 (en) * 2005-10-27 2015-07-21 Qualcomm Incorporated Pilot symbol transmission in wireless communication systems
US9225416B2 (en) 2005-10-27 2015-12-29 Qualcomm Incorporated Varied signaling channels for a reverse link in a wireless communication system
US9210651B2 (en) 2005-10-27 2015-12-08 Qualcomm Incorporated Method and apparatus for bootstraping information in a communication system
US8130727B2 (en) * 2005-10-27 2012-03-06 Qualcomm Incorporated Quasi-orthogonal allocation of codes in TD-CDMA systems
US9225488B2 (en) 2005-10-27 2015-12-29 Qualcomm Incorporated Shared signaling channel
US8068464B2 (en) * 2005-10-27 2011-11-29 Qualcomm Incorporated Varying scrambling/OVSF codes within a TD-CDMA slot to overcome jamming effect by a dominant interferer
US8045512B2 (en) 2005-10-27 2011-10-25 Qualcomm Incorporated Scalable frequency band operation in wireless communication systems
US9172453B2 (en) 2005-10-27 2015-10-27 Qualcomm Incorporated Method and apparatus for pre-coding frequency division duplexing system
KR101259100B1 (ko) 2005-11-04 2013-04-26 엘지전자 주식회사 Ｏｆｄｍ 또는 ｏｆｄｍａ 무선 이동통신 시스템에서의초기 동기를 위한 신호 전송 방법, 초기 동기 획득 방법 및이동통신용 단말
US20090219858A1 (en) * 2005-11-07 2009-09-03 Agency For Science, Technology And Research Method and System for Transmitting a Signal to a Communication Device in a Cellular Communication System
EP1953939A4 (en) * 2005-11-16 2014-01-08 Sharp Kk MULTI-CARRIER RECEIVER, MULTI-CARRIER COMMUNICATION SYSTEM AND DEMOULATION METHOD
US8582548B2 (en) 2005-11-18 2013-11-12 Qualcomm Incorporated Frequency division multiple access schemes for wireless communication
CN100449963C (zh) * 2005-12-02 2009-01-07 华为技术有限公司 在辅载频上建立上行导频信道和快速物理接入信道的方法
DE602006009750D1 (de) * 2005-12-03 2009-11-26 Samsung Electronics Co Ltd Verfahren und Vorrichtung zur Unterdrückung von Nachbarzell-Störsignalen in einem orthogonalen Frequenzteilungs-Mehrfachzugriffssystem
WO2007069171A1 (en) * 2005-12-12 2007-06-21 Koninklijke Philips Electronics, N.V. System, apparatus, and method for multi-band ofdm systems with receiver antenna selection per sub-band
US9338767B2 (en) 2005-12-22 2016-05-10 Qualcomm Incorporated Methods and apparatus of implementing and/or using a dedicated control channel
US9119220B2 (en) 2005-12-22 2015-08-25 Qualcomm Incorporated Methods and apparatus for communicating backlog related information
US9572179B2 (en) 2005-12-22 2017-02-14 Qualcomm Incorporated Methods and apparatus for communicating transmission backlog information
US8514771B2 (en) 2005-12-22 2013-08-20 Qualcomm Incorporated Methods and apparatus for communicating and/or using transmission power information
US20070149132A1 (en) 2005-12-22 2007-06-28 Junyl Li Methods and apparatus related to selecting control channel reporting formats
US9137072B2 (en) 2005-12-22 2015-09-15 Qualcomm Incorporated Methods and apparatus for communicating control information
US9148795B2 (en) 2005-12-22 2015-09-29 Qualcomm Incorporated Methods and apparatus for flexible reporting of control information
US8437251B2 (en) 2005-12-22 2013-05-07 Qualcomm Incorporated Methods and apparatus for communicating transmission backlog information
US9125092B2 (en) 2005-12-22 2015-09-01 Qualcomm Incorporated Methods and apparatus for reporting and/or using control information
US20070253449A1 (en) 2005-12-22 2007-11-01 Arnab Das Methods and apparatus related to determining, communicating, and/or using delay information
US9125093B2 (en) 2005-12-22 2015-09-01 Qualcomm Incorporated Methods and apparatus related to custom control channel reporting formats
US9473265B2 (en) 2005-12-22 2016-10-18 Qualcomm Incorporated Methods and apparatus for communicating information utilizing a plurality of dictionaries
KR100872043B1 (ko) * 2005-12-29 2008-12-05 삼성전자주식회사 광대역 무선접속 통신시스템에서 파일럿 패턴 결정 장치 및방법
EP1806892A1 (en) * 2006-01-10 2007-07-11 Alcatel Lucent Method of separating signals in a cellular multicarrier telecommunication system
JP5306824B2 (ja) 2006-01-11 2013-10-02 クゥアルコム・インコーポレイテッド 無線端末のビーコン信号の使用を含むタイミングおよび／または同期に関連する方法および装置
US8811369B2 (en) 2006-01-11 2014-08-19 Qualcomm Incorporated Methods and apparatus for supporting multiple communications modes of operation
KR20080082661A (ko) * 2006-01-12 2008-09-11 노키아 코포레이션 통신 시스템 내에서 파일럿 혼합화
JP4445474B2 (ja) * 2006-01-16 2010-04-07 株式会社東芝 Ｏｆｄｍ信号の送信方法、ｏｆｄｍ送信機及びｏｆｄｍ受信機
JP4767700B2 (ja) * 2006-01-17 2011-09-07 株式会社エヌ・ティ・ティ・ドコモ 基地局および下りリンクチャネル送信方法
US8130857B2 (en) * 2006-01-20 2012-03-06 Qualcomm Incorporated Method and apparatus for pilot multiplexing in a wireless communication system
KR100913089B1 (ko) 2006-02-07 2009-08-21 엘지전자 주식회사 다중 반송파 시스템에 적용되는 파일럿 신호 전송 방법
KR101062674B1 (ko) * 2006-02-18 2011-09-06 삼성전자주식회사 무선 통신 시스템에서 자원을 할당하고 통신을 수행하는 장치 및 방법
EP2475106A1 (en) 2006-02-28 2012-07-11 Rotani Inc. Methods and apparatus for overlapping mimo antenna physical sectors
US7782806B2 (en) 2006-03-09 2010-08-24 Qualcomm Incorporated Timing synchronization and channel estimation at a transition between local and wide area waveforms using a designated TDM pilot
KR101285885B1 (ko) * 2006-03-14 2013-07-11 엘지전자 주식회사 무선 통신 시스템에서 파일롯 심볼 전송 방법 및 장치
WO2007108080A1 (ja) * 2006-03-20 2007-09-27 Fujitsu Limited 基地局およびそのmimo-ofdm通信方法
US20070243882A1 (en) 2006-04-12 2007-10-18 Qualcomm Incorporated Method and apparatus for locating a wireless local area network associated with a wireless wide area network
JP4736934B2 (ja) * 2006-04-28 2011-07-27 日本電気株式会社 無線通信システム、パイロット系列割り当て装置及びそれらに用いるパイロット系列割り当て方法
US8738056B2 (en) * 2006-05-22 2014-05-27 Qualcomm Incorporation Signal acquisition in a wireless communication system
ATE444633T1 (de) * 2006-06-07 2009-10-15 Mitsubishi Electric Corp Multiträger system mit mehreren null-subträgern im sendesignal aufgrund der variablen empfangsbandbreite und der daraus resultierenden mehreren möglichen dc subträger
US8929353B2 (en) 2007-05-09 2015-01-06 Qualcomm Incorporated Preamble structure and acquisition for a wireless communication system
CN101467413B (zh) * 2006-06-13 2013-08-21 高通股份有限公司 用于在无线通信系统中发送和接收导频的方法和装置
EP1868400B1 (en) * 2006-06-13 2008-08-13 Alcatel Lucent A method of allocating radio resources of a cellular communication network
EP2063542B1 (en) * 2006-06-16 2013-06-12 Sharp Kabushiki Kaisha Data creation device, data creation method, base station, mobile station, synchronization detection method, sector identification method, information detection method, and mobile communication system
EP2034646A1 (en) * 2006-06-23 2009-03-11 Panasonic Corporation Radio transmitter, radio receiver, and pilot generating method
JP4740065B2 (ja) * 2006-08-22 2011-08-03 株式会社エヌ・ティ・ティ・ドコモ 基地局、移動局及びパイロットチャネル生成方法
GB0619530D0 (en) 2006-10-03 2006-11-15 Nokia Corp Signalling
JP4444259B2 (ja) * 2006-10-03 2010-03-31 株式会社エヌ・ティ・ティ・ドコモ 下りリンクスクランブル方法および基地局装置
WO2008069105A1 (ja) * 2006-11-30 2008-06-12 Panasonic Corporation 無線送信装置、無線受信装置、無線送信方法、及び、無線受信方法
JP5159274B2 (ja) 2006-11-30 2013-03-06 パナソニック株式会社 無線送信装置及び無線送信方法
KR101045180B1 (ko) * 2006-12-08 2011-06-28 후지쯔 가부시끼가이샤 간섭 저감 방법 및 기지국 장치
CN101198087A (zh) * 2006-12-08 2008-06-11 昂达博思公司 实现在移动通信系统中减少扇区间导频干扰的系统和方法
US20080144749A1 (en) * 2006-12-19 2008-06-19 Leif Wilhelmsson Inter-Carrier Interference Cancellation for OFDMA Systems
US7787358B2 (en) * 2006-12-19 2010-08-31 Telefonaktiebolaget Lm Ericsson (Publ) Uplink inter-carrier interference cancellation of OFDMA systems
US20080159448A1 (en) * 2006-12-29 2008-07-03 Texas Instruments, Incorporated System and method for crosstalk cancellation
US20080159252A1 (en) * 2006-12-29 2008-07-03 Qi Bi Method of coordinated transmission for broadcast-multicast services in high data rate networks
US8433357B2 (en) 2007-01-04 2013-04-30 Qualcomm Incorporated Method and apparatus for utilizing other sector interference (OSI) indication
US8462951B2 (en) * 2007-01-18 2013-06-11 Apple Inc. Method and apparatus for reducing probability of detection, improving jamming resistance and security for broadband wireless systems
US8570955B2 (en) 2007-03-08 2013-10-29 Fujitsu Limited Method of grouping and mapping transmission stations in a wireless network
US20080225689A1 (en) * 2007-03-13 2008-09-18 Bickerstaff Mark A Orthogonal frequency division multiplexing having tones with overlaid data and pilot symbols
US8279743B2 (en) * 2007-05-31 2012-10-02 Telefonaktiebolaget Lm Ericsson (Publ) Method for interference estimation for orthogonal pilot patterns
US7796698B2 (en) * 2007-06-04 2010-09-14 Telefonaktiebolaget Lm Ericsson (Publ) Interference suppression in a multicarrier receiver
EP2003835A1 (en) * 2007-06-15 2008-12-17 Nokia Siemens Networks Oy Method for operating a radio communication system, receiver station and radio communication system
KR101495886B1 (ko) 2007-07-19 2015-02-26 한국전자통신연구원 하향링크 프레임 생성 방법 및 셀 탐색 방법
US8543151B2 (en) 2007-07-19 2013-09-24 Samsung Electronics Co., Ltd. Method for generating downlink frame, and method for searching cell
US8665694B2 (en) * 2007-08-14 2014-03-04 Marvell World Trade Ltd. Pilot design for universal frequency reuse in cellular orthogonal frequency-division multiplexing systems
US8289946B2 (en) * 2007-08-14 2012-10-16 Qualcomm Incorporated Reference signal generation in a wireless communication system
EP2509267B1 (en) * 2007-08-15 2015-02-11 Marvell World Trade Ltd. Pilot design for universal frequency reuse in cellular orthogonal frequency-division multiplexing systems
US20090168730A1 (en) * 2007-10-29 2009-07-02 Motorola, Inc. Pilot Signal Allocation Method and Apparatus
TWI351823B (en) * 2008-03-04 2011-11-01 Ind Tech Res Inst Transmission architecture of transmitter
US20090225720A1 (en) * 2008-03-10 2009-09-10 Molisch Andreas F Base Station Cooperation and Channel Estimation
EP4106461B1 (en) 2008-03-19 2024-01-17 NEC Corporation Wireless communication system, wireless communication setting method, base station, mobile station, and program
TWI365650B (en) * 2008-04-09 2012-06-01 Ind Tech Res Inst Transmission method of wireless signal and transmitter using the same
US8724717B2 (en) * 2008-04-10 2014-05-13 Mediatek Inc. Pilot pattern design for high-rank MIMO OFDMA systems
US20090257342A1 (en) * 2008-04-10 2009-10-15 Media Tek Inc. Resource block based pilot pattern design for 1/2 - stream mimo ofdma systems
CN101557371B (zh) * 2008-04-10 2012-12-12 上海贝尔阿尔卡特股份有限公司 多载波mimo系统的基站中为移动终端确定导频图案的方法
US8521206B2 (en) 2008-04-22 2013-08-27 Qualcomm Incorporated Interference management with reduce interference requests and interference indicators
US8559879B2 (en) 2008-04-22 2013-10-15 Qualcomm Incorporated Null pilots for interference estimation in a wireless communication network
US20090268910A1 (en) * 2008-04-28 2009-10-29 Samsung Electronics Co., Ltd. Apparatus and method for initialization of a scrambling sequence for a downlink reference signal in a wireless network
US8107884B2 (en) * 2008-05-05 2012-01-31 Institute For Information Industry Base station, subordinated station and transmission method thereof
TWI390875B (zh) * 2008-05-05 2013-03-21 Inst Information Industry 基地台、下級站台及其傳輸方法
US8595501B2 (en) 2008-05-09 2013-11-26 Qualcomm Incorporated Network helper for authentication between a token and verifiers
US8995417B2 (en) 2008-06-09 2015-03-31 Qualcomm Incorporated Increasing capacity in wireless communication
CN101615928B (zh) 2008-06-25 2016-05-18 三星电子株式会社 Lte系统中传输srs信令的方法和装置
TWI382728B (zh) * 2008-07-07 2013-01-11 Inst Information Industry 基地台、下級站台及其傳輸方法
US9867203B2 (en) * 2008-07-11 2018-01-09 Qualcomm Incorporated Synchronous TDM-based communication in dominant interference scenarios
US9277487B2 (en) 2008-08-01 2016-03-01 Qualcomm Incorporated Cell detection with interference cancellation
US9237515B2 (en) 2008-08-01 2016-01-12 Qualcomm Incorporated Successive detection and cancellation for cell pilot detection
KR101208549B1 (ko) * 2008-08-05 2012-12-05 엘지전자 주식회사 하향링크 ｍｉｍｏ시스템에 있어서 기준 신호 송신 방법
EP2329605A4 (en) * 2008-09-22 2013-04-17 Nortel Networks Ltd METHOD AND SYSTEM FOR A PUCCH ROOM CODE TRANSMISSION DIVERSITY
US20100080313A1 (en) * 2008-09-30 2010-04-01 Qualcomm Incorporated Apparatus and method for supporting in-band venue-cast on a forward link only (flo) network using pilot interference cancellation
WO2010037405A1 (en) * 2008-09-30 2010-04-08 Telecom Italia S.P.A. A method of transmitting digital signals, corresponding transmission system, signal and computer program product therefor
JP5445866B2 (ja) * 2009-01-30 2014-03-19 株式会社日立製作所 無線通信システム及び通信制御方法
US9094167B2 (en) * 2009-02-02 2015-07-28 Samsung Electronics Co., Ltd. System and method for multi-user and multi-cell MIMO transmissions
EP2395784B1 (en) * 2009-02-05 2016-09-14 Fujitsu Limited Channel estimation in cooperative wireless communication systems
US20100214938A1 (en) * 2009-02-24 2010-08-26 Qualcomm Incorporated Flexible data and control multiplexing
US20100220651A1 (en) 2009-03-02 2010-09-02 Mediatek Inc. Method and apparatus for broadcasting and receiving system information in OFDMA systems
US9160577B2 (en) 2009-04-30 2015-10-13 Qualcomm Incorporated Hybrid SAIC receiver
US8787509B2 (en) 2009-06-04 2014-07-22 Qualcomm Incorporated Iterative interference cancellation receiver
US20120182948A1 (en) * 2009-07-20 2012-07-19 Commonwealth Scientific And Industrial Research Organisation Wireless Data Communications
US8498273B2 (en) * 2009-08-06 2013-07-30 Telefonaktiebolaget L M Ericsson (Publ) Management of uplink resources in multi-carrier CDMA system
WO2011022566A1 (en) * 2009-08-20 2011-02-24 Alfred E. Mann Foundation For Scientific Research Optimal narrowband interference removal for signals separated in time
US8831149B2 (en) 2009-09-03 2014-09-09 Qualcomm Incorporated Symbol estimation methods and apparatuses
EP2484038A2 (en) * 2009-09-30 2012-08-08 InterDigital Patent Holdings, Inc. Method and apparatus for multi-antenna transmission in uplink
US8638682B2 (en) * 2009-10-01 2014-01-28 Qualcomm Incorporated Method and apparatus for conducting measurements when multiple carriers are supported
US9509452B2 (en) 2009-11-27 2016-11-29 Qualcomm Incorporated Increasing capacity in wireless communications
KR101363016B1 (ko) 2009-11-27 2014-02-13 퀄컴 인코포레이티드 무선 통신들에서의 용량 증가
US9609536B2 (en) 2010-04-13 2017-03-28 Qualcomm Incorporated Measurement of received power and received quality in a wireless communication network
KR20120047449A (ko) * 2010-11-04 2012-05-14 삼성전자주식회사 가중치를 고려하는 피아이씨 채널 추정기를 위한 방법 및 장치
FR2967854A1 (fr) * 2010-11-19 2012-05-25 France Telecom Procede de communication dans un reseau cooperatif
US8717887B2 (en) * 2011-08-08 2014-05-06 Telefonaktiebolaget Lm Ericsson (Publ) Scrambling code planning device and method for using same in wireless communication network
WO2013038047A1 (en) * 2011-09-14 2013-03-21 Nokia Corporation A system, an apparatus, a device, a computer program and a method for devices with short range communication capabilities
US8934398B2 (en) * 2011-10-07 2015-01-13 Qualcomm Incorporated System, apparatus, and method for repeater pilot signal generation in wireless communication systems
EP2777185B1 (en) * 2011-10-13 2016-08-24 Telefonaktiebolaget LM Ericsson (publ) Method and node related to channel estimation
JP5340448B2 (ja) * 2012-04-10 2013-11-13 パナソニック株式会社 送信装置および送信方法
JP2015207816A (ja) * 2014-04-17 2015-11-19 富士通株式会社 受信装置、受信方法、及び、無線通信システム
US10003480B2 (en) 2014-05-29 2018-06-19 Qualcomm Incorporated Asynchronous multicarrier communications
WO2016022287A1 (en) 2014-08-07 2016-02-11 Coherent Logix, Incorporated Multi-partition radio frames
CA2956957C (en) * 2014-08-07 2019-02-12 ONE Media, LLC Dynamic configuration of a flexible orthogonal frequency division multiplexing phy transport data frame
US9936519B2 (en) 2015-03-15 2018-04-03 Qualcomm Incorporated Self-contained time division duplex (TDD) subframe structure for wireless communications
TWI575901B (zh) * 2015-06-17 2017-03-21 晨星半導體股份有限公司 通道效應消除裝置及通道效應消除方法
US9992790B2 (en) 2015-07-20 2018-06-05 Qualcomm Incorporated Time division duplex (TDD) subframe structure supporting single and multiple interlace modes
US10461891B2 (en) * 2015-12-18 2019-10-29 Qualcomm Incorporated Staggered pilot placement
US10285174B2 (en) 2016-01-11 2019-05-07 Qualcomm Incorporated Uplink data channel design for narrowband devices
EP3536056B1 (en) * 2016-11-16 2021-02-24 Huawei Technologies Duesseldorf GmbH Radio device and radio cell with multiplexed data sequences with unequal power allocation
US9876657B1 (en) * 2017-03-06 2018-01-23 Xilinx, Inc. System and method for downlink processing in communication systems

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2873320B2 (ja) * 1989-09-19 1999-03-24 日本電信電話株式会社 移動局の在圏セクタ判定方式
IL100213A (en) * 1990-12-07 1995-03-30 Qualcomm Inc Mikrata Kedma phone system and its antenna distribution system
US5483667A (en) * 1993-07-08 1996-01-09 Northern Telecom Limited Frequency plan for a cellular network
US5418813A (en) * 1993-12-06 1995-05-23 Motorola, Inc. Method and apparatus for creating a composite waveform
JPH09266466A (ja) * 1996-03-28 1997-10-07 Sumitomo Electric Ind Ltd デジタル伝送システム
JPH09327073A (ja) * 1996-06-07 1997-12-16 N T T Ido Tsushinmo Kk Ｃｄｍａ移動通信システムにおけるパイロットチャネル配置および送信方法
JPH1028077A (ja) * 1996-07-11 1998-01-27 Takuro Sato 通信装置
US6067292A (en) * 1996-08-20 2000-05-23 Lucent Technologies Inc Pilot interference cancellation for a coherent wireless code division multiple access receiver
US5867478A (en) 1997-06-20 1999-02-02 Motorola, Inc. Synchronous coherent orthogonal frequency division multiplexing system, method, software and device
BR9812816A (pt) * 1997-09-15 2000-08-08 Adaptive Telecom Inc Processos para comunicação sem fio, e para eficientemente determinar na estação base um canal espacial da unidade móvel em um sistema de comunicação sem fio, e, estação base de cdma
US6175588B1 (en) * 1997-12-30 2001-01-16 Motorola, Inc. Communication device and method for interference suppression using adaptive equalization in a spread spectrum communication system
JP2000092009A (ja) * 1998-07-13 2000-03-31 Sony Corp 通信方法、送信機及び受信機
US6385264B1 (en) * 1999-06-08 2002-05-07 Qualcomm Incorporated Method and apparatus for mitigating interference between base stations in a wideband CDMA system
US6721339B2 (en) * 1999-08-17 2004-04-13 Lucent Technologies Inc. Method of providing downlink transmit diversity
US6473467B1 (en) 2000-03-22 2002-10-29 Qualcomm Incorporated Method and apparatus for measuring reporting channel state information in a high efficiency, high performance communications system
US6628702B1 (en) * 2000-06-14 2003-09-30 Qualcomm, Incorporated Method and apparatus for demodulating signals processed in a transmit diversity mode
KR100627188B1 (ko) * 2000-07-04 2006-09-22 에스케이 텔레콤주식회사 무선통신 역방향 동기 방식에서의 코드 할당 방법
EP1178641B1 (en) * 2000-08-01 2007-07-25 Sony Deutschland GmbH Frequency reuse scheme for OFDM systems
KR100526499B1 (ko) 2000-08-22 2005-11-08 삼성전자주식회사 두 개 이상 안테나를 사용하는 안테나 전송 다이버시티방법 및 장치
JP3886709B2 (ja) * 2000-08-29 2007-02-28 三菱電機株式会社 スペクトル拡散受信装置
JP2002077098A (ja) * 2000-09-01 2002-03-15 Mitsubishi Electric Corp 通信装置および通信方法
JP3553038B2 (ja) * 2000-11-06 2004-08-11 株式会社エヌ・ティ・ティ・ドコモ 信号送信方法、信号受信方法、送信装置、受信装置および記録媒体
JP3695316B2 (ja) * 2000-11-24 2005-09-14 株式会社日本自動車部品総合研究所 スペクトラム拡散受信機の相関検出器
AU2002240506A1 (en) 2001-02-26 2002-09-12 Magnolia Broadband, Inc Smart antenna based spectrum multiplexing using a pilot signal
US7773699B2 (en) 2001-10-17 2010-08-10 Nortel Networks Limited Method and apparatus for channel quality measurements

Also Published As

Publication number Publication date
PT2282438T (pt) 2020-05-11
ES2791527T3 (es) 2020-11-04
EP2282438A3 (en) 2012-04-25
DK2282438T3 (da) 2020-04-14
RU2507699C2 (ru) 2014-02-20
RU2009131564A (ru) 2011-02-27
EP2282438A2 (en) 2011-02-09
SI2282438T1 (sl) 2020-09-30
AU2004204911A1 (en) 2004-07-29
EP1582042A2 (en) 2005-10-05
JP2011109658A (ja) 2011-06-02
AU2009212939A1 (en) 2009-10-01
EP2282436A3 (en) 2012-04-25
KR100978453B1 (ko) 2010-08-26
CA2512551A1 (en) 2004-07-29
WO2004064295A2 (en) 2004-07-29
WO2004064295A3 (en) 2004-12-23
EP2282436B1 (en) 2020-03-04
CA2512551C (en) 2013-01-15
JP5341052B2 (ja) 2013-11-13
ATE525839T1 (de) 2011-10-15
EP1582042B1 (en) 2011-09-21
US20040131007A1 (en) 2004-07-08
BRPI0406644A (pt) 2005-12-06
MXPA05007428A (es) 2005-09-12
TWI324453B (en) 2010-05-01
RU2005125045A (ru) 2006-01-27
KR20050091072A (ko) 2005-09-14
TW200421766A (en) 2004-10-16
IL169509A0 (en) 2007-07-04
RU2368088C2 (ru) 2009-09-20
JP2006517759A (ja) 2006-07-27
US7280467B2 (en) 2007-10-09
JP2013219778A (ja) 2013-10-24
HK1086401A1 (en) 2006-09-15
EP2282436A2 (en) 2011-02-09
EP2282438B1 (en) 2020-03-11
AU2004204911C1 (en) 2009-12-03
AU2004204911B2 (en) 2009-06-25
JP5755679B2 (ja) 2015-07-29

Similar Documents

Publication Publication Date Title
IL169509A0 (en) Pilot transmission schemes for wireless multi-carrier communication systems
UA90244C2 (ru) Схема передачи пилот-сигналов для систем радиосвязи с передачей на несколько несущих
JP4902660B2 (ja) 無線通信システムにおけるパイロットシンボル送信
US8934516B2 (en) Soft handoff with interference cancellation in a wireless frequency hopping communication system
TW200509578A (en) Fast frequency hopping with a code division multiplexed pilot in an OFDMA system
JP2008533928A (ja) 直交周波数分割無線通信システムのためのパイロット信号送信
UA86927C2 (ru) Способ и устройство для обработки данных для передачи в системе беспроводной связи (варианты), передатчик в системе беспроводной связи и устройство беспроводной связи
UA94066C2 (ru) Предназначение шаблона контрольного сигнала, адаптированное к характеристикам канала для системы связи множественного доступа с ортогональным частотным разделением
WO2007084988A3 (en) Method and apparatus for pilot multiplexing in a wireless communication system
WO2007130011A8 (en) Method and system for processing reference signals in ofdm systems using transmission time interval groupings
WO2010053664A3 (en) Employing cell-specific and user entity-specific reference symbols in an orthogonal frequency division multiple access
HK1040014A1 (en) Method and apparatus for reducing amplitude variations in communication signals employing inserted pilot symbol.
KR20070114386A (ko) 송신장치, 송신방법, 수신장치 및 수신방법
DE60332893D1 (de) CDMA Empfang-übertragungstechniken für Funksysteme mit Mehrfacheingängen und Mehrfachausgängen (MIMO)
ATE525838T1 (de) Gerät und verfahren zur kanalschätzung, und drahtloser empfänger
DE60019282D1 (de) Zeit- und frequenzdiversität in fh/tdd systemen
TW200746734A (en) Method and apparatus for pilot multiplexing in a wireless communication system
UA88873C2 (ru) Способы и устройства для передачи и приема пилот-сигнала и данных с быстрой скачкообразной перестройкой частоты с мультиплексированием с кодовым разделением пилот-сигналом в системе мдочр
Nguyen et al. A scheme of dual carrier modulation with soft-decoding for MB-OFDM MIMO systems
EP1170917A1 (en) Method and device to provide an OFDM up-link using Time-Frequency interleaving
WO2019029200A8 (en) METHOD FOR TRANSMITTING REFERENCE SIGNAL
TW200711360A (en) Method and apparatus for pilot signal transmission
KR20070090617A (ko) 다수의 부 반송파를 이용하여 데이터를 송수신하는 방법
TW200721756A (en) Methods and apparatus for circulation transmissions for OFDM-based MIMO systems