CL2009000107A1 - Aparato que contiene:un procesador operativo para transformar los simbolos pilotos recibidos y para obtener una estimacion de respueta de frecuencia para el canal de comunicacion y usando una tecnica de error cuadratico medio minimo o una tecnica de minimos cuadrados 488-06) (divisional de la solicitud 488-06). - Google Patents
Aparato que contiene:un procesador operativo para transformar los simbolos pilotos recibidos y para obtener una estimacion de respueta de frecuencia para el canal de comunicacion y usando una tecnica de error cuadratico medio minimo o una tecnica de minimos cuadrados 488-06) (divisional de la solicitud 488-06).Info
- Publication number
- CL2009000107A1 CL2009000107A1 CL2009000107A CL2009000107A CL2009000107A1 CL 2009000107 A1 CL2009000107 A1 CL 2009000107A1 CL 2009000107 A CL2009000107 A CL 2009000107A CL 2009000107 A CL2009000107 A CL 2009000107A CL 2009000107 A1 CL2009000107 A1 CL 2009000107A1
- Authority
- CL
- Chile
- Prior art keywords
- technique
- divisional
- transform
- request
- communication channel
- Prior art date
Links
Classifications
-
- 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
- H04L27/2647—Arrangements specific to the receiver only
- H04L27/2655—Synchronisation arrangements
- H04L27/2689—Link with other circuits, i.e. special connections between synchronisation arrangements and other circuits for achieving synchronisation
- H04L27/2695—Link with other circuits, i.e. special connections between synchronisation arrangements and other circuits for achieving synchronisation with channel estimation, e.g. determination of delay spread, derivative or peak tracking
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
-
- 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
- H04L25/0228—Channel estimation using sounding signals with direct estimation from sounding signals
- H04L25/023—Channel estimation using sounding signals with direct estimation from sounding signals with extension to other symbols
-
- 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
- H04L25/024—Channel estimation channel estimation algorithms
- H04L25/025—Channel estimation channel estimation algorithms using least-mean-square [LMS] method
-
- 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
- H04L27/2613—Structure of the reference signals
-
- 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
- H04L27/2613—Structure of the reference signals
- H04L27/26132—Structure of the reference signals using repetition
-
- 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
- H04L27/2626—Arrangements specific to the transmitter only
- H04L27/2627—Modulators
- H04L27/2628—Inverse Fourier transform modulators, e.g. inverse fast Fourier transform [IFFT] or inverse discrete Fourier transform [IDFT] modulators
- H04L27/2631—Inverse Fourier transform modulators, e.g. inverse fast Fourier transform [IFFT] or inverse discrete Fourier transform [IDFT] modulators with polyphase implementation
-
- 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
- H04L27/2647—Arrangements specific to the receiver only
- H04L27/2655—Synchronisation arrangements
- H04L27/2668—Details of algorithms
- H04L27/2673—Details of algorithms characterised by synchronisation parameters
- H04L27/2675—Pilot or known symbols
-
- 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
- H04L27/2647—Arrangements specific to the receiver only
- H04L27/2655—Synchronisation arrangements
- H04L27/2668—Details of algorithms
- H04L27/2673—Details of algorithms characterised by synchronisation parameters
- H04L27/2676—Blind, i.e. without using known symbols
- H04L27/2678—Blind, i.e. without using known symbols using cyclostationarities, e.g. cyclic prefix or postfix
-
- 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
- H04L2025/03592—Adaptation methods
- H04L2025/03598—Algorithms
- H04L2025/03611—Iterative algorithms
- H04L2025/03617—Time recursive algorithms
- H04L2025/03624—Zero-forcing
-
- 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
- H04L25/0212—Channel estimation of impulse response
-
- 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
- H04L25/022—Channel estimation of frequency response
-
- 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
- H04L27/2613—Structure of the reference signals
- H04L27/26134—Pilot insertion in the transmitter chain, e.g. pilot overlapping with data, insertion in time or frequency domain
-
- 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
- H04L5/0003—Two-dimensional division
- H04L5/0005—Time-frequency
- H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
-
- 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
Abstract
Aparato para generar un piloto en un sistema de comunicación inalámbrica usando una estación móvil (divisional de la solicitud 488-06).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US65952605P | 2005-03-07 | 2005-03-07 | |
US11/175,607 US8135088B2 (en) | 2005-03-07 | 2005-07-05 | Pilot transmission and channel estimation for a communication system utilizing frequency division multiplexing |
Publications (1)
Publication Number | Publication Date |
---|---|
CL2009000107A1 true CL2009000107A1 (es) | 2009-05-04 |
Family
ID=36570641
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CL2009000106A CL2009000106A1 (es) | 2005-03-07 | 2009-01-20 | Aparato que contiene:un procesador operativo para formar una secuencia de simbolos pilotos y un modulador operativo para generar por lo menos un simbolo de acceso multiple por division de frecuencia en un solo portador (sc-fdma)(divisional de la solicitud 488-06) |
CL2009000107A CL2009000107A1 (es) | 2005-03-07 | 2009-01-20 | Aparato que contiene:un procesador operativo para transformar los simbolos pilotos recibidos y para obtener una estimacion de respueta de frecuencia para el canal de comunicacion y usando una tecnica de error cuadratico medio minimo o una tecnica de minimos cuadrados 488-06) (divisional de la solicitud 488-06). |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CL2009000106A CL2009000106A1 (es) | 2005-03-07 | 2009-01-20 | Aparato que contiene:un procesador operativo para formar una secuencia de simbolos pilotos y un modulador operativo para generar por lo menos un simbolo de acceso multiple por division de frecuencia en un solo portador (sc-fdma)(divisional de la solicitud 488-06) |
Country Status (26)
Country | Link |
---|---|
US (2) | US8135088B2 (es) |
EP (4) | EP2961075B1 (es) |
JP (7) | JP2008536359A (es) |
KR (3) | KR100940166B1 (es) |
CN (3) | CN102664854A (es) |
AR (1) | AR052587A1 (es) |
AU (1) | AU2006220558B2 (es) |
BR (1) | BRPI0608895A2 (es) |
CA (2) | CA2600152C (es) |
CL (2) | CL2009000106A1 (es) |
DK (2) | DK1867063T3 (es) |
ES (3) | ES2557127T3 (es) |
FI (1) | FI2961075T3 (es) |
HU (1) | HUE062242T2 (es) |
IL (2) | IL185697A (es) |
MX (1) | MX2007011025A (es) |
MY (1) | MY154982A (es) |
NO (1) | NO337478B1 (es) |
NZ (1) | NZ561173A (es) |
PL (2) | PL1867063T3 (es) |
PT (2) | PT1867063E (es) |
RU (1) | RU2387097C2 (es) |
SG (1) | SG160367A1 (es) |
SI (1) | SI2961075T1 (es) |
TW (3) | TWI403118B (es) |
WO (1) | WO2006096784A1 (es) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9419676B2 (en) | 2005-03-07 | 2016-08-16 | Qualcomm Incorporated | Pilot transmission and channel estimation for a communication system utilizing frequency division multiplexing |
Families Citing this family (150)
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 |
US10355720B2 (en) | 2001-04-26 | 2019-07-16 | Genghiscomm Holdings, LLC | Distributed software-defined radio |
US10931338B2 (en) | 2001-04-26 | 2021-02-23 | Genghiscomm Holdings, LLC | Coordinated multipoint systems |
US9628231B2 (en) | 2002-05-14 | 2017-04-18 | Genghiscomm Holdings, LLC | Spreading and precoding in OFDM |
US10644916B1 (en) | 2002-05-14 | 2020-05-05 | Genghiscomm Holdings, LLC | Spreading and precoding in OFDM |
US7042857B2 (en) | 2002-10-29 | 2006-05-09 | Qualcom, Incorporated | Uplink pilot and signaling transmission in wireless communication systems |
US7177297B2 (en) * | 2003-05-12 | 2007-02-13 | Qualcomm Incorporated | Fast frequency hopping with a code division multiplexed pilot in an OFDMA system |
WO2005015791A1 (en) * | 2003-08-08 | 2005-02-17 | Nortel Networks Limited | Communication signal equalization systems and methods |
KR100575959B1 (ko) * | 2003-09-02 | 2006-05-02 | 삼성전자주식회사 | 다중 반송파 변조 방식을 사용하는 통신 시스템에서파일럿 송수신 장치 및 방법 |
US8611283B2 (en) | 2004-01-28 | 2013-12-17 | Qualcomm Incorporated | Method and apparatus of using a single channel to provide acknowledgement and assignment messages |
EP2022191A2 (en) * | 2004-06-28 | 2009-02-11 | Zion Hadad | Ofmda preambles system and method |
US8000268B2 (en) * | 2004-06-30 | 2011-08-16 | Motorola Mobility, Inc. | Frequency-hopped IFDMA communication system |
JP4409395B2 (ja) * | 2004-07-13 | 2010-02-03 | 富士通株式会社 | 伝搬路推定方法及び推定装置 |
US9137822B2 (en) | 2004-07-21 | 2015-09-15 | Qualcomm Incorporated | Efficient signaling over access channel |
US9148256B2 (en) | 2004-07-21 | 2015-09-29 | Qualcomm Incorporated | Performance based rank prediction for MIMO design |
US8891349B2 (en) | 2004-07-23 | 2014-11-18 | Qualcomm Incorporated | Method of optimizing portions of a frame |
US11552737B1 (en) | 2004-08-02 | 2023-01-10 | Genghiscomm Holdings, LLC | Cooperative MIMO |
US11431386B1 (en) | 2004-08-02 | 2022-08-30 | Genghiscomm Holdings, LLC | Transmit pre-coding |
US11184037B1 (en) | 2004-08-02 | 2021-11-23 | Genghiscomm Holdings, LLC | Demodulating and decoding carrier interferometry signals |
US8238923B2 (en) | 2004-12-22 | 2012-08-07 | Qualcomm Incorporated | Method of using shared resources in a communication system |
US8831115B2 (en) | 2004-12-22 | 2014-09-09 | Qualcomm Incorporated | MC-CDMA multiplexing in an orthogonal uplink |
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 |
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 |
US9461859B2 (en) | 2005-03-17 | 2016-10-04 | Qualcomm Incorporated | Pilot signal transmission for an orthogonal frequency division wireless communication system |
US9184870B2 (en) | 2005-04-01 | 2015-11-10 | Qualcomm Incorporated | Systems and methods for control channel signaling |
US7787546B2 (en) * | 2005-04-06 | 2010-08-31 | Samsung Electronics Co., Ltd. | Apparatus and method for FT pre-coding of data to reduce PAPR in a multi-carrier wireless network |
US9408220B2 (en) | 2005-04-19 | 2016-08-02 | Qualcomm Incorporated | Channel quality reporting for adaptive sectorization |
US9036538B2 (en) * | 2005-04-19 | 2015-05-19 | Qualcomm Incorporated | Frequency hopping design for single carrier FDMA systems |
KR101100199B1 (ko) * | 2005-05-02 | 2011-12-28 | 엘지전자 주식회사 | Ifdma 시스템의 대역 제한 방법 |
KR100724949B1 (ko) | 2005-05-03 | 2007-06-04 | 삼성전자주식회사 | 주파수 분할 다중접속 기반 무선통신 시스템에서 데이터와제어 정보의 다중화 방법 및 장치 |
US20060262874A1 (en) * | 2005-05-17 | 2006-11-23 | Interdigital Technology Corporation | Method and apparatus for power control in a multiple antenna 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 |
US9179319B2 (en) | 2005-06-16 | 2015-11-03 | Qualcomm Incorporated | Adaptive sectorization in cellular systems |
US8599945B2 (en) * | 2005-06-16 | 2013-12-03 | Qualcomm Incorporated | Robust rank prediction for a MIMO system |
JP2007006264A (ja) * | 2005-06-24 | 2007-01-11 | Toshiba Corp | ダイバーシチ受信機 |
JP4753737B2 (ja) * | 2005-07-18 | 2011-08-24 | 三洋電機株式会社 | 無線装置 |
US20070183386A1 (en) * | 2005-08-03 | 2007-08-09 | Texas Instruments Incorporated | Reference Signal Sequences and Multi-User Reference Signal Sequence Allocation |
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 |
US9209956B2 (en) | 2005-08-22 | 2015-12-08 | Qualcomm Incorporated | Segment sensitive scheduling |
US20070041457A1 (en) | 2005-08-22 | 2007-02-22 | Tamer Kadous | Method and apparatus for providing antenna diversity in a wireless communication system |
US8644292B2 (en) | 2005-08-24 | 2014-02-04 | Qualcomm Incorporated | Varied transmission time intervals for wireless communication system |
US9136974B2 (en) | 2005-08-30 | 2015-09-15 | Qualcomm Incorporated | Precoding and SDMA support |
US9088384B2 (en) | 2005-10-27 | 2015-07-21 | Qualcomm Incorporated | Pilot symbol transmission in wireless communication systems |
US8693405B2 (en) | 2005-10-27 | 2014-04-08 | Qualcomm Incorporated | SDMA resource management |
US9225416B2 (en) | 2005-10-27 | 2015-12-29 | Qualcomm Incorporated | Varied signaling channels for a reverse link in a wireless communication system |
US9172453B2 (en) | 2005-10-27 | 2015-10-27 | Qualcomm Incorporated | Method and apparatus for pre-coding frequency division duplexing system |
US8477684B2 (en) | 2005-10-27 | 2013-07-02 | Qualcomm Incorporated | Acknowledgement of control messages in a wireless communication system |
US8045512B2 (en) | 2005-10-27 | 2011-10-25 | Qualcomm Incorporated | Scalable frequency band operation in wireless communication systems |
US8582509B2 (en) | 2005-10-27 | 2013-11-12 | Qualcomm Incorporated | Scalable frequency band operation in wireless communication systems |
US9144060B2 (en) | 2005-10-27 | 2015-09-22 | Qualcomm Incorporated | Resource allocation for shared signaling channels |
US9225488B2 (en) | 2005-10-27 | 2015-12-29 | Qualcomm Incorporated | Shared signaling channel |
US9210651B2 (en) | 2005-10-27 | 2015-12-08 | Qualcomm Incorporated | Method and apparatus for bootstraping information in a communication system |
KR101306696B1 (ko) | 2005-11-10 | 2013-09-10 | 엘지전자 주식회사 | 다수의 반송파를 이용하여 데이터를 전송하는 장치 및 방법 |
US8582548B2 (en) | 2005-11-18 | 2013-11-12 | Qualcomm Incorporated | Frequency division multiple access schemes for wireless communication |
WO2007066293A2 (en) * | 2005-12-08 | 2007-06-14 | Koninklijke Philips Electronics N.V. | System, apparatus, and method for single-carrier block transmission with adaptive guard interval |
US8831607B2 (en) | 2006-01-05 | 2014-09-09 | Qualcomm Incorporated | Reverse link other sector communication |
US7808886B2 (en) * | 2006-01-18 | 2010-10-05 | Freescale Semiconductor, Inc. | Pilot signal in an FDMA communication system |
TWI488454B (zh) * | 2006-01-20 | 2015-06-11 | Qualcomm Inc | 無線通信系統中用於引導多工之方法及裝置 |
US8130857B2 (en) * | 2006-01-20 | 2012-03-06 | Qualcomm Incorporated | Method and apparatus for pilot multiplexing in a wireless communication system |
US8121216B2 (en) * | 2006-01-24 | 2012-02-21 | Nec Corporation | Channel estimation device, equalization device, and radio system |
WO2007088953A1 (ja) * | 2006-02-01 | 2007-08-09 | Nec Corporation | 等化装置及び等化方法 |
WO2007091163A2 (en) * | 2006-02-08 | 2007-08-16 | Nokia Corporation | Method for multiplexing users with code and frequency multiplexing |
CN103312486B (zh) * | 2006-04-27 | 2017-12-26 | 德克萨斯仪器股份有限公司 | 在无线通信系统中分配参考信号的方法和装置 |
JP4571997B2 (ja) * | 2006-07-25 | 2010-10-27 | 富士通株式会社 | マルチキャリア通信システムにおける干渉雑音推定方法及び受信処理方法並びに干渉雑音推定装置及び受信機 |
US20080025377A1 (en) * | 2006-07-25 | 2008-01-31 | Legend Silicon | Method and device for frequency domain compensation for channel estimation at an over sampling rate in a tds_ofdm receiver |
KR101188544B1 (ko) | 2006-09-15 | 2012-10-05 | 엘지전자 주식회사 | 단일 반송파 주파수 분할 다중 접속 시스템의 데이터 송신방법 및 파일럿 할당 방법 |
FI20065689A0 (fi) * | 2006-10-31 | 2006-10-31 | Nokia Corp | Datasekvenssirakenne ja tiedonsiirtomenetelmä |
KR101226985B1 (ko) * | 2006-11-01 | 2013-01-29 | 퀄컴 인코포레이티드 | Sc-fdma 시스템에서 가변 전력 오프셋들을 가진 제어 및 데이터의 멀티플렉싱 |
KR101055939B1 (ko) * | 2006-11-01 | 2011-08-09 | 콸콤 인코포레이티드 | 무선 통신을 위한 다중-캐리어 및 단일-캐리어 멀티플렉싱 방식들의 공동 사용 |
US8027395B2 (en) * | 2006-11-03 | 2011-09-27 | Maxlinear, Inc. | Edge MMSE filters |
KR100862724B1 (ko) * | 2006-12-06 | 2008-10-10 | 한국전자통신연구원 | 무선 통신 시스템의 파일롯 신호 송수신 장치 및 그 방법 |
US8130875B2 (en) * | 2006-12-11 | 2012-03-06 | Cisco Technology, Inc. | Method for estimating channel response in a wireless communications network based on pilot signals |
US7693031B2 (en) * | 2007-01-09 | 2010-04-06 | Futurewei Technologies, Inc. | Method and apparatus for achieving system acquisition and other signaling purposes using the preamble in an OFDM based communications system |
US8649364B2 (en) * | 2007-01-23 | 2014-02-11 | Polytechnic Institute Of New York University | Hybrid subcarrier mapping method and system |
FI20075198A0 (fi) * | 2007-03-27 | 2007-03-27 | Nokia Corp | Taajuuspoikkeaman korjaus |
KR101414962B1 (ko) * | 2007-04-27 | 2014-07-07 | 삼성전자주식회사 | 무선통신 시스템에서 상향링크 채널사운딩 레퍼런스 신호의송수신 방법 |
WO2008133449A1 (en) | 2007-04-27 | 2008-11-06 | Samsung Electronics Co., Ltd. | Method and apparatus for transmitting and receiving uplink channel sounding reference signals in a wireless communication system |
EP2151107B1 (en) * | 2007-05-09 | 2018-03-21 | Telefonaktiebolaget LM Ericsson (publ) | Receiver for a radio network and an method for determining a channel estimate for a radio channel |
EP1993248A1 (en) * | 2007-05-16 | 2008-11-19 | Nokia Siemens Networks Oy | Method for coding data and data coding device |
US8767872B2 (en) * | 2007-05-18 | 2014-07-01 | Qualcomm Incorporated | Pilot structures for ACK and CQI in a wireless communication system |
KR101481820B1 (ko) * | 2007-06-20 | 2015-01-12 | 삼성전자주식회사 | 이동 통신 시스템에서 상향 링크 제어 채널 전송 방법 및장치 |
US8145272B2 (en) * | 2007-08-08 | 2012-03-27 | Cisco Technology, Inc. | Pilot-based two-dimensional channel estimation |
US9363126B2 (en) * | 2007-12-21 | 2016-06-07 | Google Technology Holdings LLC | Method and apparatus for IFDMA receiver architecture |
KR101456299B1 (ko) * | 2008-02-11 | 2014-11-03 | 엘지전자 주식회사 | 무선통신 시스템에서 인터리빙 방법 |
US8457258B2 (en) * | 2008-02-25 | 2013-06-04 | Indian Institute Of Technology | Optimal training sequence and channel estimation method and system for superimposed training based OFDM systems |
CN104579611B (zh) | 2008-03-19 | 2018-05-01 | 日本电气株式会社 | 无线通信系统、无线通信的设定方法、基站、移动台站以及程序 |
US8699529B2 (en) * | 2008-03-28 | 2014-04-15 | Qualcomm Incorporated | Broadband pilot channel estimation using a reduced order FFT and a hardware interpolator |
US8509325B2 (en) * | 2008-07-01 | 2013-08-13 | Qualcomm Incorporated | Adaptive thresholding for OFDM channel estimation |
TWI382728B (zh) * | 2008-07-07 | 2013-01-11 | Inst Information Industry | 基地台、下級站台及其傳輸方法 |
US8208858B2 (en) | 2008-07-30 | 2012-06-26 | Kan Ling Capital, L.L.C. | Polyphase sequences for wireless communications |
US8730933B2 (en) * | 2008-09-18 | 2014-05-20 | Qualcomm Incorporated | Method and apparatus for multiplexing data and reference signal in a wireless communication system |
US8249509B2 (en) * | 2008-11-24 | 2012-08-21 | Cisco Technology, Inc. | Dynamic channel estimation based on channel conditions |
GB2465628B (en) * | 2008-11-27 | 2011-03-23 | Ipwireless Inc | Communication system,communication units,and method for employing a pilot transmission scheme |
CN101753498B (zh) * | 2008-12-05 | 2013-02-13 | 中兴通讯股份有限公司 | 正交频分复用信道估计结果的滤波方法与装置 |
US8275057B2 (en) * | 2008-12-19 | 2012-09-25 | Intel Corporation | Methods and systems to estimate channel frequency response in multi-carrier signals |
US9762414B2 (en) * | 2009-02-04 | 2017-09-12 | Acorn Technologies, Inc. | Least squares channel identification for OFDM Systems |
US8761274B2 (en) * | 2009-02-04 | 2014-06-24 | Acorn Technologies, Inc. | Least squares channel identification for OFDM systems |
US8804859B2 (en) * | 2009-02-23 | 2014-08-12 | Mediatek, Inc. | Methods and apparatuses for dealing with spectrum inversion |
US9288026B2 (en) | 2009-06-22 | 2016-03-15 | Qualcomm Incorporated | Transmission of reference signal on non-contiguous clusters of resources |
RU2510132C2 (ru) * | 2009-09-04 | 2014-03-20 | Нек Корпорейшн | Устройство радиосвязи с функцией устранения фазового шума несущей и способ радиосвязи |
US8867445B2 (en) * | 2009-11-30 | 2014-10-21 | Optis Wireless Technology, Llc | Bit soft value normalization |
KR101619164B1 (ko) * | 2009-12-16 | 2016-05-10 | 삼성전자주식회사 | 단일반송파 주파수분할다중접속 시스템에서 최소평균제곱오류 수신 방법 및 장치 |
EP2548351B1 (en) * | 2010-03-19 | 2019-08-14 | Ofidium Pty Ltd | Method and apparatus for fiber non-linearity mitigation |
US9363068B2 (en) | 2010-08-03 | 2016-06-07 | Intel Corporation | Vector processor having instruction set with sliding window non-linear convolutional function |
US8542781B2 (en) * | 2010-08-31 | 2013-09-24 | Telefonaktiebolaget L M Ericsson (Publ) | Incrementally inclusive frequency domain symbol joint detection |
JP5579551B2 (ja) * | 2010-09-10 | 2014-08-27 | シャープ株式会社 | 受信装置、受信方法及びプログラム |
US8462613B2 (en) * | 2010-12-09 | 2013-06-11 | Hong Kong Applied Science and Technology Research Institute Company Limited | Channel estimation for long term evolution (LTE) terminals |
US8958323B2 (en) * | 2011-03-19 | 2015-02-17 | Samsung Electronics Co., Ltd. | Communication system with signal processing mechanism for tone estimation and method of operation thereof |
US8718210B2 (en) * | 2011-09-20 | 2014-05-06 | Qualcomm Incorporated | Channel impulse response estimation for wireless receiver |
US9292255B2 (en) | 2011-10-27 | 2016-03-22 | Intel Corporation | Multi-stage crest factor reduction (CFR) for multi-channel multi-standard radio |
RU2012102842A (ru) | 2012-01-27 | 2013-08-10 | ЭлЭсАй Корпорейшн | Инкрементное обнаружение преамбулы |
WO2013096691A1 (en) * | 2011-12-22 | 2013-06-27 | Rambus Inc. | Collaborative channel sounding in multi-antenna systems |
US8688062B2 (en) * | 2012-04-09 | 2014-04-01 | Harris Corporation | Wireless communications system with interference mitigation and associated methods |
US9008049B2 (en) | 2012-09-11 | 2015-04-14 | Qualcomm Incorporated | Forward link frame generation in a machine-to-machine (M2M) wireless wide area network (WAN) |
US8737457B2 (en) * | 2012-09-28 | 2014-05-27 | Telefonaktiebolaget L M Ericsson (Publ) | Adaptive smoothing of channel estimates |
US8737550B1 (en) * | 2012-12-04 | 2014-05-27 | Telefonaktiebolaget L M Ericsson (Publ) | Estimating optimal linear regression filter length for channel estimation |
US9031123B2 (en) | 2013-03-15 | 2015-05-12 | Acorn Technologies, Inc. | Communication system and method using subspace interference cancellation |
US9154337B2 (en) | 2013-03-15 | 2015-10-06 | Acorn Technologies, Inc. | Non-linear time domain channel estimation in OFDM systems |
US8897353B2 (en) | 2013-03-15 | 2014-11-25 | Acorn Technologies, Inc. | Block time domain channel estimation in OFDM system |
US9923595B2 (en) | 2013-04-17 | 2018-03-20 | Intel Corporation | Digital predistortion for dual-band power amplifiers |
TWI504175B (zh) * | 2013-09-24 | 2015-10-11 | Realtek Semiconductor Corp | 無線通訊發送器之傳輸頻譜的等化方法 |
KR102216711B1 (ko) * | 2013-11-06 | 2021-02-18 | 한국전자통신연구원 | 직교 주파수 다중 분할 신호의 송신 방법 및 장치 |
US20150139368A1 (en) * | 2013-11-18 | 2015-05-21 | Qualcomm Incorporated | Enhanced channel estimation in td-scdma |
CN103685096B (zh) * | 2013-12-23 | 2017-01-04 | 中山大学花都产业科技研究院 | 一种基于最优导频的mimo-ofdm系统信道估计方法 |
US9780973B2 (en) * | 2015-03-02 | 2017-10-03 | Nxp Usa, Inc. | Channel estimation system for wireless communication system |
US11012272B2 (en) * | 2015-03-10 | 2021-05-18 | Qualcomm Incorporated | Channel or interference estimation for SC-FDM symbol streams |
US11050503B2 (en) * | 2015-03-31 | 2021-06-29 | Huawei Technologies Co., Ltd. | System and method of waveform design for operation bandwidth extension |
US9571314B1 (en) * | 2015-09-23 | 2017-02-14 | Qualcomm Incorporated | Systems and methods for joint demodulation and demapping |
US9882761B2 (en) | 2016-03-07 | 2018-01-30 | Samsung Electronics Co., Ltd | System and method for enhanced channel estimation using tap-dependent frequency offset (FO) estimation |
CN107171700B (zh) | 2016-03-08 | 2021-09-07 | 索尼公司 | 用于具有多个天线的通信装置的电子设备和通信方法 |
WO2017167366A1 (en) * | 2016-03-31 | 2017-10-05 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Optimized preamble and method for interference robust packet detection for telemetry applications |
CN107371225B (zh) * | 2016-05-13 | 2020-01-07 | 电信科学技术研究院 | 一种上行共享信道的导频传输方法及相关设备 |
US10567205B2 (en) * | 2017-01-26 | 2020-02-18 | Qualcomm Incorporated | Frequency and time domain multiplexing for low peak-to-average power ratio (PAPR) waveform design with multiple streams |
US10243773B1 (en) | 2017-06-30 | 2019-03-26 | Genghiscomm Holdings, LLC | Efficient peak-to-average-power reduction for OFDM and MIMO-OFDM |
US10637705B1 (en) | 2017-05-25 | 2020-04-28 | Genghiscomm Holdings, LLC | Peak-to-average-power reduction for OFDM multiple access |
US11172481B2 (en) | 2018-02-12 | 2021-11-09 | Qualcomm Incorporated | Techniques for wireless communications using multiple cyclic prefix types |
EP3915236A4 (en) | 2019-01-25 | 2023-05-24 | Genghiscomm Holdings, LLC | ORTHOGONAL MULTI-ACCESS AND NON-ORTHOGONAL MULTI-ACCESS |
US11343823B2 (en) | 2020-08-16 | 2022-05-24 | Tybalt, Llc | Orthogonal multiple access and non-orthogonal multiple access |
WO2020242898A1 (en) | 2019-05-26 | 2020-12-03 | Genghiscomm Holdings, LLC | Non-orthogonal multiple access |
US11240071B1 (en) * | 2020-09-18 | 2022-02-01 | Qualcomm Incorporated | Channel equalization for wireless communication devices |
CN112649786A (zh) * | 2020-11-30 | 2021-04-13 | 天津光电通信技术有限公司 | 一种基于虚拟阵元的宽带信号超分辨测向方法及装置 |
CN113612718A (zh) * | 2021-08-14 | 2021-11-05 | 西北工业大学 | 一种用于无线光通信系统截断补偿ofdm调制方法 |
Family Cites Families (54)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5274627A (en) | 1991-07-10 | 1993-12-28 | International Telecommunications Satellite Organization | Non-regenerative multibeam satellite communications system with FDMA access and SSTDM connectivity |
JP3106709B2 (ja) | 1992-07-10 | 2000-11-06 | 松下電器産業株式会社 | データ復号装置 |
KR0173101B1 (ko) | 1996-08-14 | 1999-03-30 | 양승택 | 직접 시퀀스 확산 스펙트럼 통신용 월쉬-4상 위상변조 칩 변조 장치 |
US6259687B1 (en) * | 1997-10-31 | 2001-07-10 | Interdigital Technology Corporation | Communication station with multiple antennas |
JP3515690B2 (ja) | 1998-06-02 | 2004-04-05 | 松下電器産業株式会社 | Ofdma信号伝送装置及び方法 |
RU2174743C2 (ru) | 1999-12-31 | 2001-10-10 | Гармонов Александр Васильевич | Способ квазикогерентного приема сигнала |
KR100663559B1 (ko) | 1999-12-31 | 2007-01-02 | 삼성전자주식회사 | 부호분할 다중접속 통신시스템의 동기형 복조 장치 및 방법 |
DE10026325B4 (de) | 2000-05-26 | 2006-01-19 | Robert Bosch Gmbh | Verfahren zur Synchronisation von OFDM-Symbolen bei Rundfunkübertragungen |
US6850481B2 (en) | 2000-09-01 | 2005-02-01 | Nortel Networks Limited | Channels estimation for multiple input—multiple output, orthogonal frequency division multiplexing (OFDM) system |
US7020175B2 (en) | 2000-09-21 | 2006-03-28 | Motorola, Inc. | MMSE reception of DS-CDMA with transmit diversity |
FR2814885B1 (fr) * | 2000-10-03 | 2003-05-30 | Mitsubishi Electric Inf Tech | Methode de synchronisation de stations de base |
JP4213466B2 (ja) | 2000-12-15 | 2009-01-21 | アダプティックス インコーポレイテッド | 適応クラスタ構成及び切替による多重キャリア通信 |
US7139237B2 (en) | 2000-12-29 | 2006-11-21 | Motorola, Inc. | Method and system for multirate multiuser modulation |
US7218666B2 (en) * | 2000-12-29 | 2007-05-15 | Motorola, Inc. | Method and system for transmission and frequency domain equalization for wideband CDMA system |
US7042937B2 (en) | 2001-04-23 | 2006-05-09 | Koninklijke Philips Electronics N.V. | Hybrid frequency-time domain equalizer |
US7088782B2 (en) * | 2001-04-24 | 2006-08-08 | Georgia Tech Research Corporation | Time and frequency synchronization in multi-input, multi-output (MIMO) systems |
US7310304B2 (en) * | 2001-04-24 | 2007-12-18 | Bae Systems Information And Electronic Systems Integration Inc. | Estimating channel parameters in multi-input, multi-output (MIMO) systems |
US7230911B2 (en) * | 2001-05-10 | 2007-06-12 | Intel Corporation | Sparse channel estimation for orthogonal frequency division multiplexed signals |
KR100434473B1 (ko) * | 2001-05-11 | 2004-06-05 | 삼성전자주식회사 | 직교주파수 분할 다중 시스템에서 채널 복호 장치 및 방법 |
US7133474B2 (en) * | 2001-07-31 | 2006-11-07 | Motorola, Inc. | Method and system for timing recovery and delay spread estimation in a communication system |
EP1283614A1 (en) * | 2001-08-10 | 2003-02-12 | TELEFONAKTIEBOLAGET L M ERICSSON (publ) | Channel estimation in a multicarrier transmit diversity system |
CA2477883C (en) * | 2002-03-07 | 2013-05-21 | Naftali Chayat | Hierarchical preamble constructions for ofdma based on complementary sequences |
US20040047284A1 (en) * | 2002-03-13 | 2004-03-11 | Eidson Donald Brian | Transmit diversity framing structure for multipath channels |
US7305050B2 (en) * | 2002-05-13 | 2007-12-04 | Marvell Dspc Ltd. | Method and apparatus for processing signals received from a channel having a variable channel length |
US6885708B2 (en) * | 2002-07-18 | 2005-04-26 | Motorola, Inc. | Training prefix modulation method and receiver |
GB2393618B (en) * | 2002-09-26 | 2004-12-15 | Toshiba Res Europ Ltd | Transmission signals methods and apparatus |
US8169944B2 (en) | 2002-10-25 | 2012-05-01 | Qualcomm Incorporated | Random access for wireless multiple-access communication systems |
US7236535B2 (en) | 2002-11-19 | 2007-06-26 | Qualcomm Incorporated | Reduced complexity channel estimation for wireless communication systems |
US7280467B2 (en) * | 2003-01-07 | 2007-10-09 | Qualcomm Incorporated | Pilot transmission schemes for wireless multi-carrier communication systems |
JP4276009B2 (ja) * | 2003-02-06 | 2009-06-10 | 株式会社エヌ・ティ・ティ・ドコモ | 移動局、基地局、無線伝送プログラム、及び無線伝送方法 |
JP4523294B2 (ja) * | 2003-02-10 | 2010-08-11 | 三菱電機株式会社 | 通信装置 |
JP3816450B2 (ja) | 2003-02-18 | 2006-08-30 | Kddi株式会社 | 送信機及び受信機 |
US7065371B1 (en) * | 2003-02-20 | 2006-06-20 | Comsys Communication & Signal Processing Ltd. | Channel order selection and channel estimation in wireless communication system |
US7095790B2 (en) | 2003-02-25 | 2006-08-22 | Qualcomm, Incorporated | Transmission schemes for multi-antenna communication systems utilizing multi-carrier modulation |
KR200314726Y1 (ko) | 2003-03-08 | 2003-05-27 | 두산중공업 주식회사 | 담수화 설비의 증발기 내부 조명장치 |
US7239677B2 (en) * | 2003-04-29 | 2007-07-03 | Telefonaktiebolaget L M Ericsson (Publ) | Method and apparatus for soft symbol scaling |
US7177297B2 (en) * | 2003-05-12 | 2007-02-13 | Qualcomm Incorporated | Fast frequency hopping with a code division multiplexed pilot in an OFDMA system |
AU2003237658A1 (en) * | 2003-06-22 | 2005-01-04 | Docomo Communications Laboratories Europe Gmbh | Apparatus and method for estimating a channel in a multiple input transmission system |
KR100539925B1 (ko) * | 2003-08-22 | 2005-12-28 | 삼성전자주식회사 | 직교주파수분할다중 시스템에서 부반송파 할당 장치 및 방법 |
WO2005041515A1 (en) * | 2003-10-24 | 2005-05-06 | Qualcomm Incorporated | Frequency division multiplexing of multiple data streams in a wireless multi-carrier communication system |
KR100557158B1 (ko) * | 2003-11-12 | 2006-03-03 | 삼성전자주식회사 | 직교 주파수 분할 다중 방식을 사용하는 이동통신시스템에서 부반송파 할당을 위한 장치 및 방법 |
US7145940B2 (en) * | 2003-12-05 | 2006-12-05 | Qualcomm Incorporated | Pilot transmission schemes for a multi-antenna system |
US7542517B2 (en) * | 2004-02-02 | 2009-06-02 | Ibiquity Digital Corporation | Peak-to-average power reduction for FM OFDM transmission |
US7457231B2 (en) * | 2004-05-04 | 2008-11-25 | Qualcomm Incorporated | Staggered pilot transmission for channel estimation and time tracking |
US8027372B2 (en) * | 2004-06-18 | 2011-09-27 | Qualcomm Incorporated | Signal acquisition in a wireless communication system |
US8000268B2 (en) * | 2004-06-30 | 2011-08-16 | Motorola Mobility, Inc. | Frequency-hopped IFDMA communication system |
US9148256B2 (en) | 2004-07-21 | 2015-09-29 | Qualcomm Incorporated | Performance based rank prediction for MIMO design |
US7418046B2 (en) * | 2004-07-22 | 2008-08-26 | Qualcomm Inc. | Pilot transmission and channel estimation for multiple transmitters |
US8135088B2 (en) | 2005-03-07 | 2012-03-13 | Q1UALCOMM Incorporated | Pilot transmission and channel estimation for a communication system utilizing frequency division multiplexing |
US8031583B2 (en) | 2005-03-30 | 2011-10-04 | Motorola Mobility, Inc. | Method and apparatus for reducing round trip latency and overhead within a communication system |
KR100724949B1 (ko) * | 2005-05-03 | 2007-06-04 | 삼성전자주식회사 | 주파수 분할 다중접속 기반 무선통신 시스템에서 데이터와제어 정보의 다중화 방법 및 장치 |
US20070004465A1 (en) * | 2005-06-29 | 2007-01-04 | Aris Papasakellariou | Pilot Channel Design for Communication Systems |
US8995998B2 (en) | 2008-11-07 | 2015-03-31 | Qualcomm Incorporated | Optimized signaling of primary scrambling codes and frequency lists in wireless communications |
JP2011062782A (ja) | 2009-09-18 | 2011-03-31 | Toshiba Corp | 研磨装置 |
-
2005
- 2005-07-05 US US11/175,607 patent/US8135088B2/en active Active
-
2006
- 2006-03-06 AR ARP060100841A patent/AR052587A1/es active IP Right Grant
- 2006-03-06 MY MYPI20060938A patent/MY154982A/en unknown
- 2006-03-07 MX MX2007011025A patent/MX2007011025A/es active IP Right Grant
- 2006-03-07 PL PL06737468T patent/PL1867063T3/pl unknown
- 2006-03-07 DK DK06737468.6T patent/DK1867063T3/da active
- 2006-03-07 PL PL15170466.5T patent/PL2961075T3/pl unknown
- 2006-03-07 ES ES10011615.1T patent/ES2557127T3/es active Active
- 2006-03-07 ES ES06737468T patent/ES2424132T3/es active Active
- 2006-03-07 SG SG201001573-3A patent/SG160367A1/en unknown
- 2006-03-07 WO PCT/US2006/008300 patent/WO2006096784A1/en active Application Filing
- 2006-03-07 SI SI200632429T patent/SI2961075T1/sl unknown
- 2006-03-07 TW TW095107670A patent/TWI403118B/zh active
- 2006-03-07 DK DK15170466.5T patent/DK2961075T3/da active
- 2006-03-07 EP EP15170466.5A patent/EP2961075B1/en active Active
- 2006-03-07 EP EP06737468.6A patent/EP1867063B1/en active Active
- 2006-03-07 PT PT67374686T patent/PT1867063E/pt unknown
- 2006-03-07 PT PT151704665T patent/PT2961075T/pt unknown
- 2006-03-07 EP EP20100011616 patent/EP2262120A3/en not_active Ceased
- 2006-03-07 NZ NZ561173A patent/NZ561173A/en not_active IP Right Cessation
- 2006-03-07 CN CN2012101249671A patent/CN102664854A/zh active Pending
- 2006-03-07 HU HUE15170466A patent/HUE062242T2/hu unknown
- 2006-03-07 CA CA2600152A patent/CA2600152C/en active Active
- 2006-03-07 RU RU2007137032/09A patent/RU2387097C2/ru active
- 2006-03-07 FI FIEP15170466.5T patent/FI2961075T3/fi active
- 2006-03-07 KR KR1020087031401A patent/KR100940166B1/ko active IP Right Grant
- 2006-03-07 KR KR1020077022828A patent/KR100940165B1/ko active IP Right Grant
- 2006-03-07 CN CN201210124760.4A patent/CN102685041B/zh active Active
- 2006-03-07 ES ES15170466T patent/ES2949094T3/es active Active
- 2006-03-07 AU AU2006220558A patent/AU2006220558B2/en active Active
- 2006-03-07 TW TW102114744A patent/TWI474655B/zh active
- 2006-03-07 TW TW102114743A patent/TWI530114B/zh active
- 2006-03-07 EP EP10011615.1A patent/EP2262119B1/en active Active
- 2006-03-07 CN CN201410121177.7A patent/CN103905083B/zh active Active
- 2006-03-07 JP JP2008500883A patent/JP2008536359A/ja not_active Withdrawn
- 2006-03-07 KR KR1020087031399A patent/KR100965963B1/ko active IP Right Grant
- 2006-03-07 CA CA2814258A patent/CA2814258C/en active Active
- 2006-03-07 BR BRPI0608895-3A patent/BRPI0608895A2/pt not_active Application Discontinuation
-
2007
- 2007-09-03 IL IL185697A patent/IL185697A/en active IP Right Grant
- 2007-09-06 IL IL185794A patent/IL185794A0/en unknown
- 2007-10-04 NO NO20075017A patent/NO337478B1/no unknown
-
2009
- 2009-01-20 CL CL2009000106A patent/CL2009000106A1/es unknown
- 2009-01-20 CL CL2009000107A patent/CL2009000107A1/es unknown
-
2011
- 2011-03-22 JP JP2011062782A patent/JP2011176843A/ja active Pending
-
2012
- 2012-01-13 JP JP2012004948A patent/JP2012120209A/ja active Pending
- 2012-02-06 US US13/366,727 patent/US9419676B2/en active Active
-
2014
- 2014-01-17 JP JP2014007132A patent/JP2014116966A/ja active Pending
- 2014-01-17 JP JP2014007121A patent/JP2014116964A/ja not_active Withdrawn
-
2015
- 2015-11-02 JP JP2015215972A patent/JP2016054502A/ja not_active Withdrawn
-
2017
- 2017-07-28 JP JP2017146711A patent/JP6571139B2/ja active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9419676B2 (en) | 2005-03-07 | 2016-08-16 | Qualcomm Incorporated | Pilot transmission and channel estimation for a communication system utilizing frequency division multiplexing |
Also Published As
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CL2009000107A1 (es) | Aparato que contiene:un procesador operativo para transformar los simbolos pilotos recibidos y para obtener una estimacion de respueta de frecuencia para el canal de comunicacion y usando una tecnica de error cuadratico medio minimo o una tecnica de minimos cuadrados 488-06) (divisional de la solicitud 488-06). | |
ES2489015T3 (es) | Aparato de estación móvil, sistema de comunicación móvil y método de comunicación | |
FI20075631A0 (fi) | Menetelmä, radiojärjestelmä ja tukiasema | |
GB2424151B (en) | Systems and methods for managing out-of-band device connection | |
BRPI0508694A (pt) | método e aparelho para construir ie de mapa utilizando cid reduzido na irradiação de sistemas ofdma | |
BRPI0819955A2 (pt) | "sinal de canal de controle para ser utilizado em um sistema de comunicação móvel que provê pelo menos dois modos de programação diferentes, unidades de programação para ser utilizada em um sistema de comunicação móvel que provê pelo menos de programação diferentes, estação base para ser utilizada em um sistema de comunicação móvel, estação móvel para ser utilizada em um sistema de comunicação móvel e para receber dados do usuário em downlink a forma de unidades de dados de protocolo, método para fornecer sinais de canal de controle em um sistema de comunicação móvel, método para uso em sistema de comunicação móvel e para receber dados do usuário de downlink na forma de unidades de dados de protocolo, e, mídia que pode ser lida por computador." | |
TW200704086A (en) | Method and apparatus for generating a unique identifier for a wireless device | |
BRPI0617416A2 (pt) | método implementado em uma estação base para transmitir dados, método para usar na transmissão de dados, método implementado em um rádio móvel para facilitar a transmissão de dados, aparelho para uso na transmissão de dados, sistema, e, rádio móvel para falicitar a transmissão de dados | |
AR080091A2 (es) | Metodo de comunicaciones inalambricas para una estacion movil y una estacion movil capaz de comunicar simultaneamente una red de area amplia con una red inalambrica de area local | |
AR078472A1 (es) | Metodo y sistema para notificar la proximidad de usuarios de terminales de comunicacion movil | |
ATE519421T1 (de) | Standortdetektionssystem für eine patiententransportvorrichtung | |
AR049272A1 (es) | Sistema y metodo para ejecutar una transmision independiente de los medios | |
AR064549A1 (es) | Metodo y aparato para autoconfiguracion de estacion de base | |
DE602004023976D1 (de) | Anruferidentifikation unter Verwendung des Push-To-Talk Protokolls für drahtlose Kommunikationsgeräte | |
GB2438320A (en) | Methods and apparatus for operating transceiver systems of a wireless platform | |
SV2006002232A (es) | Inhibidores bace ref. x-16940 | |
CL2011000188A1 (es) | Punto de acceso para un sistema de comunicacion inalambrica no celular que comprende medios para enviar informacion de posicionamirnto geografico a terminales moviles;terminal movil para recibir informacion de posicionamiento geografico y estimar la posicion del terminal en base a dicha informacion; procedimiento asociado. | |
AR042212A1 (es) | Control de potencia para sistemas de comunicacion inalambrica | |
BRPI0510217A (pt) | dispersantes de polieteralcanolamina | |
SE0602254L (sv) | Sändare och förfarande för sändning i trådlöst koddelningskommunikationssystem med till-från-signalering som moduleringsmetod | |
NO343318B1 (no) | Rammestrukturer for systemer for trådløs kommunikasjon | |
FI20031805A0 (fi) | Radiolähettimen testausmenetelmä, radiolähetin ja tukiasema | |
BRPI0811179A2 (pt) | Aparelho de estação-base, equipamento de usuário, e método em sistema de comunicação móvel. | |
MX2010002681A (es) | Metodo de comunicacion movil, estacion de intercambio movil, estacion base de radio y estacion movil. | |
BRPI0820408A2 (pt) | Sistema de comunicação móvel, estação base e estação móvel |