JP2006517759A - 無線マルチキャリヤ通信システムに関するパイロット伝送方法 - Google Patents
無線マルチキャリヤ通信システムに関するパイロット伝送方法 Download PDFInfo
- Publication number
- JP2006517759A JP2006517759A JP2006500830A JP2006500830A JP2006517759A JP 2006517759 A JP2006517759 A JP 2006517759A JP 2006500830 A JP2006500830 A JP 2006500830A JP 2006500830 A JP2006500830 A JP 2006500830A JP 2006517759 A JP2006517759 A JP 2006517759A
- Authority
- JP
- Japan
- Prior art keywords
- pilot
- transmission
- symbol
- subbands
- subband
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 230000005540 biological transmission Effects 0.000 title claims abstract description 229
- 238000000034 method Methods 0.000 title claims abstract description 145
- 238000004891 communication Methods 0.000 title claims abstract description 45
- 238000012545 processing Methods 0.000 claims description 94
- 230000001131 transforming effect Effects 0.000 claims 2
- 210000004027 cell Anatomy 0.000 description 93
- 230000001427 coherent effect Effects 0.000 description 28
- 230000001360 synchronised effect Effects 0.000 description 24
- 238000010586 diagram Methods 0.000 description 18
- 230000010354 integration Effects 0.000 description 18
- 230000008569 process Effects 0.000 description 17
- 125000004122 cyclic group Chemical group 0.000 description 8
- 230000002452 interceptive effect Effects 0.000 description 7
- 238000001514 detection method Methods 0.000 description 6
- 239000000969 carrier Substances 0.000 description 4
- 230000015556 catabolic process Effects 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 238000006731 degradation reaction Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 238000005562 fading Methods 0.000 description 4
- 230000004044 response Effects 0.000 description 4
- 230000000295 complement effect Effects 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000001186 cumulative effect Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- KLDZYURQCUYZBL-UHFFFAOYSA-N 2-[3-[(2-hydroxyphenyl)methylideneamino]propyliminomethyl]phenol Chemical compound OC1=CC=CC=C1C=NCCCN=CC1=CC=CC=C1O KLDZYURQCUYZBL-UHFFFAOYSA-N 0.000 description 1
- 108010003272 Hyaluronate lyase Proteins 0.000 description 1
- 210000001744 T-lymphocyte Anatomy 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 201000001098 delayed sleep phase syndrome Diseases 0.000 description 1
- 208000033921 delayed sleep phase type circadian rhythm sleep disease Diseases 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
Images
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
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Quality & Reliability (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Power Engineering (AREA)
- Mobile Radio Communication Systems (AREA)
Applications Claiming Priority (3)
| 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 |
| PCT/US2004/000326 WO2004064295A2 (en) | 2003-01-07 | 2004-01-07 | Pilot transmission schemes for wireless multi-carrier communication systems |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2010254736A Division JP5341052B2 (ja) | 2003-01-07 | 2010-11-15 | 無線マルチキャリヤ通信システムに関するパイロット伝送方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2006517759A true JP2006517759A (ja) | 2006-07-27 |
| JP2006517759A5 JP2006517759A5 (enExample) | 2007-11-29 |
Family
ID=32684731
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2006500830A Withdrawn JP2006517759A (ja) | 2003-01-07 | 2004-01-07 | 無線マルチキャリヤ通信システムに関するパイロット伝送方法 |
| JP2010254736A Expired - Lifetime JP5341052B2 (ja) | 2003-01-07 | 2010-11-15 | 無線マルチキャリヤ通信システムに関するパイロット伝送方法 |
| JP2013097793A Expired - Lifetime JP5755679B2 (ja) | 2003-01-07 | 2013-05-07 | 無線マルチキャリヤ通信システムに関するパイロット伝送方法 |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2010254736A Expired - Lifetime JP5341052B2 (ja) | 2003-01-07 | 2010-11-15 | 無線マルチキャリヤ通信システムに関するパイロット伝送方法 |
| JP2013097793A Expired - Lifetime JP5755679B2 (ja) | 2003-01-07 | 2013-05-07 | 無線マルチキャリヤ通信システムに関するパイロット伝送方法 |
Country Status (18)
| Country | Link |
|---|---|
| US (1) | US7280467B2 (enExample) |
| EP (3) | EP2282436B1 (enExample) |
| JP (3) | JP2006517759A (enExample) |
| KR (1) | KR100978453B1 (enExample) |
| AT (1) | ATE525839T1 (enExample) |
| AU (2) | AU2004204911C1 (enExample) |
| BR (1) | BRPI0406644A (enExample) |
| CA (1) | CA2512551C (enExample) |
| DK (1) | DK2282438T3 (enExample) |
| ES (1) | ES2791527T3 (enExample) |
| HU (1) | HUE049055T2 (enExample) |
| IL (1) | IL169509A0 (enExample) |
| MX (1) | MXPA05007428A (enExample) |
| PT (1) | PT2282438T (enExample) |
| RU (2) | RU2368088C2 (enExample) |
| SI (1) | SI2282438T1 (enExample) |
| TW (1) | TWI324453B (enExample) |
| WO (1) | WO2004064295A2 (enExample) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008072286A1 (ja) * | 2006-12-08 | 2008-06-19 | Fujitsu Limited | 隣接セクタ間干渉低減方法及び基地局装置 |
| JP2008526141A (ja) * | 2004-12-22 | 2008-07-17 | クゥアルコム・インコーポレイテッド | 無線通信システムにおける制約されたホッピング |
| JP2008543141A (ja) * | 2005-05-25 | 2008-11-27 | フラウンホッファー−ゲゼルシャフト ツァ フェルダールング デァ アンゲヴァンテン フォアシュンク エー.ファオ | 無線通信システムにおける干渉を低減するための方法 |
| JP2008546256A (ja) * | 2005-05-18 | 2008-12-18 | クゥアルコム・インコーポレイテッド | 直交周波数分割無線通信システムにおけるソフターおよびソフトハンドオフ |
| JP2012519435A (ja) * | 2009-03-02 | 2012-08-23 | 聯發科技股▲ふん▼有限公司 | Ofdmaシステムのシステム情報の放送及び受信システムの方法並びに装置 |
| JP2013062842A (ja) * | 2008-07-11 | 2013-04-04 | Qualcomm Inc | 支配的な干渉シナリオにおける同期tdmに基づいた通信 |
| US9609536B2 (en) | 2010-04-13 | 2017-03-28 | Qualcomm Incorporated | Measurement of received power and received quality in a wireless communication network |
Families Citing this family (245)
| 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 |
| US7002900B2 (en) | 2002-10-25 | 2006-02-21 | Qualcomm Incorporated | Transmit diversity processing for a multi-antenna communication system |
| US7986742B2 (en) | 2002-10-25 | 2011-07-26 | Qualcomm Incorporated | Pilots for MIMO communication system |
| US20040081131A1 (en) | 2002-10-25 | 2004-04-29 | Walton Jay Rod | OFDM communication system with multiple OFDM symbol sizes |
| US8169944B2 (en) | 2002-10-25 | 2012-05-01 | Qualcomm Incorporated | Random access for wireless multiple-access communication systems |
| US8570988B2 (en) | 2002-10-25 | 2013-10-29 | 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 |
| US8320301B2 (en) | 2002-10-25 | 2012-11-27 | Qualcomm Incorporated | MIMO WLAN system |
| US8134976B2 (en) | 2002-10-25 | 2012-03-13 | 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. |
| 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 |
| US9661519B2 (en) | 2003-02-24 | 2017-05-23 | Qualcomm Incorporated | Efficient reporting of information in a wireless communication system |
| 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 |
| US20040257979A1 (en) * | 2003-06-18 | 2004-12-23 | Samsung Electronics Co., Ltd. | Apparatus and method for tranmitting and receiving a pilot pattern for identification of a base station in an OFDM communication system |
| 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 |
| DE60337035D1 (de) * | 2003-07-29 | 2011-06-16 | Fujitsu Ltd | Pilot-Multiplex-Verfahren und Sendeeinrichtung für einem OFDM-System |
| 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 |
| 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 |
| 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 |
| 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 |
| CN100352183C (zh) * | 2004-08-14 | 2007-11-28 | 华为技术有限公司 | 信道建立方法 |
| 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 |
| US7558328B2 (en) * | 2004-09-09 | 2009-07-07 | Agere Systems Inc. | Method and apparatus for increasing data throughput in a multiple antenna communication system using additional subcarriers |
| KR100735231B1 (ko) * | 2004-11-11 | 2007-07-03 | 삼성전자주식회사 | 이동통신 시스템에서 파일럿 톤 배치 방법 및 장치 |
| US7852822B2 (en) | 2004-12-22 | 2010-12-14 | Qualcomm Incorporated | Wide area and local network ID transmission for communication systems |
| US8831115B2 (en) | 2004-12-22 | 2014-09-09 | Qualcomm Incorporated | MC-CDMA multiplexing in an orthogonal uplink |
| US8238923B2 (en) | 2004-12-22 | 2012-08-07 | Qualcomm Incorporated | Method of using shared resources in a communication system |
| WO2006071050A1 (en) | 2004-12-27 | 2006-07-06 | Lg Electronics Inc. | Communicating non-coherent detectable signal in broadband wireless access system |
| ATE429760T1 (de) * | 2005-03-01 | 2009-05-15 | Qualcomm Inc | Kanalschätzungsoptimierung |
| EP1699199B1 (en) * | 2005-03-01 | 2007-11-28 | Alcatel Lucent | A method for OFDM data transmission in a multi-cell mobile network with channel estimation by means of pilots, a base transceiver station, a base station controller and a mobile network therefor |
| US8135088B2 (en) | 2005-03-07 | 2012-03-13 | Q1UALCOMM Incorporated | Pilot transmission and channel estimation for a communication system utilizing frequency division multiplexing |
| 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 |
| 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 |
| 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 |
| 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 |
| US9143305B2 (en) * | 2005-03-17 | 2015-09-22 | 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 |
| US8879511B2 (en) | 2005-10-27 | 2014-11-04 | Qualcomm Incorporated | Assignment acknowledgement for a wireless communication system |
| US8565194B2 (en) | 2005-10-27 | 2013-10-22 | Qualcomm Incorporated | Puncturing signaling channel 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 |
| US9179319B2 (en) | 2005-06-16 | 2015-11-03 | Qualcomm Incorporated | Adaptive sectorization in cellular systems |
| KR100880991B1 (ko) * | 2005-06-16 | 2009-02-03 | 삼성전자주식회사 | 이동통신 시스템에서 다중 안테나를 이용한 파일럿 송수신장치 및 방법 |
| 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 |
| 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 |
| EP1908242B1 (en) * | 2005-07-15 | 2016-10-12 | 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 |
| WO2007016933A1 (en) * | 2005-07-28 | 2007-02-15 | 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 |
| US20070041457A1 (en) | 2005-08-22 | 2007-02-22 | Tamer Kadous | Method and apparatus for providing antenna diversity in a wireless communication system |
| US9071344B2 (en) | 2005-08-22 | 2015-06-30 | Qualcomm Incorporated | Reverse link interference cancellation |
| US9209956B2 (en) | 2005-08-22 | 2015-12-08 | Qualcomm Incorporated | Segment sensitive scheduling |
| US8743909B2 (en) * | 2008-02-20 | 2014-06-03 | Qualcomm Incorporated | Frame termination |
| US9014152B2 (en) | 2008-06-09 | 2015-04-21 | Qualcomm Incorporated | Increasing capacity in wireless communications |
| KR100965677B1 (ko) * | 2005-08-22 | 2010-06-24 | 삼성전자주식회사 | 다중반송파 방식을 사용하는 셀룰러 기반의 무선통신시스템에서의 자원할당 방법 및 할당된 자원을 수신하는방법 |
| 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 |
| US8594252B2 (en) * | 2005-08-22 | 2013-11-26 | Qualcomm Incorporated | Interference cancellation for wireless communications |
| CN101248608B (zh) | 2005-08-24 | 2012-03-14 | 松下电器产业株式会社 | 多入多出-正交频分复用发送装置和多入多出-正交频分复用发送方法 |
| US8644292B2 (en) | 2005-08-24 | 2014-02-04 | Qualcomm Incorporated | Varied transmission time intervals for wireless communication system |
| US8355376B2 (en) * | 2005-08-25 | 2013-01-15 | Samsung Electronics Co., Ltd | Broadcast scheme for a multi-carrier wireless network |
| KR100729727B1 (ko) * | 2005-08-25 | 2007-06-18 | 한국전자통신연구원 | Ofdma 이동통신 시스템에서의 간섭을 제거하는 수신방법 및 장치 |
| 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 |
| US20070071145A1 (en) * | 2005-09-23 | 2007-03-29 | Yona Perets | Method and apparatus to correct channel quality indicator estimation |
| US8139672B2 (en) * | 2005-09-23 | 2012-03-20 | Qualcomm Incorporated | Method and apparatus for pilot communication in a multi-antenna wireless communication system |
| US8989084B2 (en) * | 2005-10-14 | 2015-03-24 | Qualcomm Incorporated | Methods and apparatus for broadcasting loading information corresponding to neighboring base stations |
| 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 |
| US8130727B2 (en) * | 2005-10-27 | 2012-03-06 | Qualcomm Incorporated | Quasi-orthogonal allocation of codes in TD-CDMA systems |
| US8582509B2 (en) | 2005-10-27 | 2013-11-12 | 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 |
| 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 |
| US9225488B2 (en) | 2005-10-27 | 2015-12-29 | Qualcomm Incorporated | Shared signaling channel |
| US8045512B2 (en) | 2005-10-27 | 2011-10-25 | Qualcomm Incorporated | Scalable frequency band operation in wireless communication systems |
| 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 |
| US9088384B2 (en) * | 2005-10-27 | 2015-07-21 | Qualcomm Incorporated | Pilot symbol transmission in wireless communication systems |
| EP1949583A2 (en) * | 2005-10-27 | 2008-07-30 | Qualcomm Incorporated | A method and apparatus for bit demultiplexing in a 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 |
| US9144060B2 (en) | 2005-10-27 | 2015-09-22 | Qualcomm Incorporated | Resource allocation for shared signaling channels |
| 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 |
| JP4852551B2 (ja) * | 2005-11-16 | 2012-01-11 | シャープ株式会社 | マルチキャリア受信装置、マルチキャリア通信システムおよび復調方法 |
| 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 |
| EP1793507B1 (en) * | 2005-12-03 | 2009-10-14 | Samsung Electronics Co., Ltd. | Method and apparatus for cancelling neighbor cell interference signals in an orthogonal frequency division multiple access system |
| CN101326743B (zh) * | 2005-12-12 | 2013-03-06 | 皇家飞利浦电子股份有限公司 | 用于每一子频带的接收天线选择的系统、设备和方法 |
| US9125093B2 (en) | 2005-12-22 | 2015-09-01 | Qualcomm Incorporated | Methods and apparatus related to custom control channel reporting formats |
| US9137072B2 (en) | 2005-12-22 | 2015-09-15 | Qualcomm Incorporated | Methods and apparatus for communicating control information |
| US20070149132A1 (en) | 2005-12-22 | 2007-06-28 | Junyl Li | Methods and apparatus related to selecting control channel reporting formats |
| US20070253449A1 (en) | 2005-12-22 | 2007-11-01 | Arnab Das | Methods and apparatus related to determining, communicating, and/or using delay information |
| US8514771B2 (en) | 2005-12-22 | 2013-08-20 | Qualcomm Incorporated | Methods and apparatus for communicating and/or using transmission power information |
| US9119220B2 (en) | 2005-12-22 | 2015-08-25 | Qualcomm Incorporated | Methods and apparatus for communicating backlog related information |
| US9148795B2 (en) | 2005-12-22 | 2015-09-29 | Qualcomm Incorporated | Methods and apparatus for flexible reporting of control information |
| US9572179B2 (en) | 2005-12-22 | 2017-02-14 | Qualcomm Incorporated | Methods and apparatus for communicating transmission backlog information |
| US8437251B2 (en) | 2005-12-22 | 2013-05-07 | Qualcomm Incorporated | Methods and apparatus for communicating transmission backlog information |
| US9473265B2 (en) | 2005-12-22 | 2016-10-18 | Qualcomm Incorporated | Methods and apparatus for communicating information utilizing a plurality of dictionaries |
| US9338767B2 (en) | 2005-12-22 | 2016-05-10 | Qualcomm Incorporated | Methods and apparatus of implementing and/or using a dedicated control channel |
| US9125092B2 (en) | 2005-12-22 | 2015-09-01 | Qualcomm Incorporated | Methods and apparatus for reporting and/or using control information |
| 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 |
| US8811369B2 (en) | 2006-01-11 | 2014-08-19 | Qualcomm Incorporated | Methods and apparatus for supporting multiple communications modes of operation |
| KR100979646B1 (ko) * | 2006-01-11 | 2010-09-02 | 퀄컴 인코포레이티드 | 비콘 신호들을 통해 우선순위 정보를 송신하는 통신 방법 및 장치 |
| US7885315B2 (en) * | 2006-01-12 | 2011-02-08 | Nokia Corporation | Pilot scrambling in communications systems |
| 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 |
| EP2461491A1 (en) | 2006-02-28 | 2012-06-06 | 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 |
| CN101336523A (zh) * | 2006-03-20 | 2008-12-31 | 富士通株式会社 | 基站及其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 |
| EP1865679B1 (en) * | 2006-06-07 | 2009-09-30 | Mitsubishi Electric R&D Centre Europe B.V. | Multicarrier system with multiple null subcarriers in transmitted signal due to variable receive bandwidths and the resulting multiple potential dc subcarriers |
| 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 |
| DE602006002269D1 (de) * | 2006-06-13 | 2008-09-25 | Alcatel Lucent | Verfahren zum Zuteilen von Funkbetriebsmitteln eines zellularen Kommunikationsnetzwerks |
| EP2624488B8 (en) * | 2006-06-16 | 2017-11-01 | Sharp Kabushiki Kaisha | Data generation apparatus, data generation method, base station, mobile station, synchronization detection method, sector identification method, information detection method and mobile communication system |
| WO2007148796A1 (ja) * | 2006-06-23 | 2007-12-27 | Panasonic Corporation | 無線送信装置、無線受信装置、およびパイロット生成方法 |
| 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 |
| 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 |
| GB0619530D0 (en) | 2006-10-03 | 2006-11-15 | Nokia Corp | Signalling |
| 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 |
| 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 |
| 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 |
| US7787358B2 (en) * | 2006-12-19 | 2010-08-31 | Telefonaktiebolaget Lm Ericsson (Publ) | Uplink inter-carrier interference cancellation of OFDMA systems |
| US20080144749A1 (en) * | 2006-12-19 | 2008-06-19 | Leif Wilhelmsson | Inter-Carrier Interference Cancellation for 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 |
| US8543151B2 (en) | 2007-07-19 | 2013-09-24 | Samsung Electronics Co., Ltd. | Method for generating downlink frame, and method for searching cell |
| KR101495886B1 (ko) | 2007-07-19 | 2015-02-26 | 한국전자통신연구원 | 하향링크 프레임 생성 방법 및 셀 탐색 방법 |
| US8289946B2 (en) * | 2007-08-14 | 2012-10-16 | Qualcomm Incorporated | Reference signal generation in a wireless communication system |
| 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 |
| 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 |
| EP2549816A1 (en) | 2008-03-19 | 2013-01-23 | 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 |
| US20090257342A1 (en) * | 2008-04-10 | 2009-10-15 | Media Tek Inc. | Resource block based pilot pattern design for 1/2 - stream mimo ofdma systems |
| US8724717B2 (en) * | 2008-04-10 | 2014-05-13 | Mediatek Inc. | Pilot pattern design for high-rank 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 |
| 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 |
| US9237515B2 (en) | 2008-08-01 | 2016-01-12 | Qualcomm Incorporated | Successive detection and cancellation for cell pilot detection |
| US9277487B2 (en) | 2008-08-01 | 2016-03-01 | Qualcomm Incorporated | Cell detection with interference cancellation |
| KR101208549B1 (ko) | 2008-08-05 | 2012-12-05 | 엘지전자 주식회사 | 하향링크 mimo시스템에 있어서 기준 신호 송신 방법 |
| KR20110074555A (ko) * | 2008-09-22 | 2011-06-30 | 노오텔 네트웍스 리미티드 | Pucch의 공간 코드 송신 다양성을 위한 방법 및 시스템 |
| 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 |
| 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 |
| 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 |
| CN102308617B (zh) * | 2009-02-05 | 2014-04-02 | 富士通株式会社 | 信道估计装置、信道估计方法以及通信系统 |
| US20100214938A1 (en) * | 2009-02-24 | 2010-08-26 | Qualcomm Incorporated | Flexible data and control multiplexing |
| 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 |
| WO2011009157A1 (en) * | 2009-07-20 | 2011-01-27 | 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 |
| EP2467944B1 (en) * | 2009-08-20 | 2015-05-06 | 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 |
| CA2776454C (en) * | 2009-09-30 | 2016-07-05 | 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 |
| KR101363016B1 (ko) | 2009-11-27 | 2014-02-13 | 퀄컴 인코포레이티드 | 무선 통신들에서의 용량 증가 |
| WO2011063568A1 (en) | 2009-11-27 | 2011-06-03 | Qualcomm Incorporated | Increasing capacity in wireless communications |
| 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 |
| EP2745569A4 (en) * | 2011-09-14 | 2015-07-01 | Nokia Corp | SYSTEM, DEVICE, DEVICE, COMPUTER PROGRAM AND METHOD FOR DEVICES WITH COMMUNICATION CAPACITY WITH SHORT RANGE |
| 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 |
| WO2016022962A1 (en) | 2014-08-07 | 2016-02-11 | ONE Media, LLC | Dynamic configuration of a flexible orthogonal frequency division multiplexing phy transport data frame |
| CN111628854A (zh) | 2014-08-07 | 2020-09-04 | 相干逻辑公司 | 多分区无线电帧 |
| US10342012B2 (en) | 2015-03-15 | 2019-07-02 | Qualcomm Incorporated | Self-contained time division duplex (TDD) subframe structure |
| 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 |
| WO2018091082A1 (en) * | 2016-11-16 | 2018-05-24 | 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 |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03104430A (ja) * | 1989-09-19 | 1991-05-01 | Nippon Telegr & Teleph Corp <Ntt> | 移動局の在圏セクタ判定方式 |
| 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 |
| JPH10327126A (ja) * | 1997-04-30 | 1998-12-08 | Lucent Technol Inc | Cdma受信機 |
| JP2000092009A (ja) * | 1998-07-13 | 2000-03-31 | Sony Corp | 通信方法、送信機及び受信機 |
| JP2001086045A (ja) * | 1999-08-17 | 2001-03-30 | Lucent Technol Inc | 送信ダイバーシチの改善方法 |
| JP2001231074A (ja) * | 1993-07-08 | 2001-08-24 | Nortel Networks Ltd | セルラネットワークのための基地局 |
| JP2002064879A (ja) * | 2000-07-04 | 2002-02-28 | Sk Telecom Co Ltd | 逆方向チャネル同期無線移動通信システムにおけるコード割り当て方法およびコード割り当て方法が記録された記録媒体 |
| JP2002077104A (ja) * | 2000-08-29 | 2002-03-15 | Mitsubishi Electric Corp | 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 |
| JP2002111627A (ja) * | 2000-08-01 | 2002-04-12 | Sony Internatl Europ Gmbh | セルラ通信システム及び情報伝送方法 |
| JP2002164814A (ja) * | 2000-11-24 | 2002-06-07 | Nippon Soken Inc | スペクトラム拡散受信機の相関検出器 |
| JP2002204217A (ja) * | 2000-11-06 | 2002-07-19 | Ntt Docomo Inc | 移動通信システムにおける拡散符号割り当て方法、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 |
| 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 |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IL100213A (en) * | 1990-12-07 | 1995-03-30 | Qualcomm Inc | CDMA microcellular telephone system and distributed antenna system therefor |
| US5418813A (en) * | 1993-12-06 | 1995-05-23 | Motorola, Inc. | Method and apparatus for creating a composite waveform |
| 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 |
| RU2145152C1 (ru) * | 1998-10-08 | 2000-01-27 | Гармонов Александр Васильевич | Способ ортогональной разнесенной передачи-приема сигнала в сотовой системе радиосвязи с кодовым разделением каналов |
| US6385264B1 (en) * | 1999-06-08 | 2002-05-07 | Qualcomm Incorporated | Method and apparatus for mitigating interference between base stations in a wideband CDMA system |
| US6628702B1 (en) * | 2000-06-14 | 2003-09-30 | Qualcomm, Incorporated | Method and apparatus for demodulating signals processed in a transmit diversity mode |
| KR100526499B1 (ko) | 2000-08-22 | 2005-11-08 | 삼성전자주식회사 | 두 개 이상 안테나를 사용하는 안테나 전송 다이버시티방법 및 장치 |
| WO2002069523A1 (en) | 2001-02-26 | 2002-09-06 | 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 |
-
2003
- 2003-02-07 US US10/359,811 patent/US7280467B2/en not_active Expired - Lifetime
-
2004
- 2004-01-06 TW TW093100242A patent/TWI324453B/zh not_active IP Right Cessation
- 2004-01-07 DK DK10012069.0T patent/DK2282438T3/da active
- 2004-01-07 AU AU2004204911A patent/AU2004204911C1/en not_active Ceased
- 2004-01-07 EP EP10012070.8A patent/EP2282436B1/en not_active Expired - Lifetime
- 2004-01-07 EP EP10012069.0A patent/EP2282438B1/en not_active Expired - Lifetime
- 2004-01-07 KR KR1020057012744A patent/KR100978453B1/ko not_active Expired - Lifetime
- 2004-01-07 BR BR0406644-8A patent/BRPI0406644A/pt not_active IP Right Cessation
- 2004-01-07 HU HUE10012069A patent/HUE049055T2/hu unknown
- 2004-01-07 JP JP2006500830A patent/JP2006517759A/ja not_active Withdrawn
- 2004-01-07 RU RU2005125045/09A patent/RU2368088C2/ru active
- 2004-01-07 AT AT04700634T patent/ATE525839T1/de not_active IP Right Cessation
- 2004-01-07 WO PCT/US2004/000326 patent/WO2004064295A2/en not_active Ceased
- 2004-01-07 CA CA2512551A patent/CA2512551C/en not_active Expired - Lifetime
- 2004-01-07 RU RU2009131564/08A patent/RU2507699C2/ru active
- 2004-01-07 MX MXPA05007428A patent/MXPA05007428A/es active IP Right Grant
- 2004-01-07 EP EP04700634A patent/EP1582042B1/en not_active Expired - Lifetime
- 2004-01-07 PT PT100120690T patent/PT2282438T/pt unknown
- 2004-01-07 ES ES10012069T patent/ES2791527T3/es not_active Expired - Lifetime
- 2004-01-07 SI SI200432493T patent/SI2282438T1/sl unknown
-
2005
- 2005-07-03 IL IL169509A patent/IL169509A0/en unknown
-
2009
- 2009-09-03 AU AU2009212939A patent/AU2009212939A1/en not_active Abandoned
-
2010
- 2010-11-15 JP JP2010254736A patent/JP5341052B2/ja not_active Expired - Lifetime
-
2013
- 2013-05-07 JP JP2013097793A patent/JP5755679B2/ja not_active Expired - Lifetime
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03104430A (ja) * | 1989-09-19 | 1991-05-01 | Nippon Telegr & Teleph Corp <Ntt> | 移動局の在圏セクタ判定方式 |
| JP2001231074A (ja) * | 1993-07-08 | 2001-08-24 | Nortel Networks Ltd | セルラネットワークのための基地局 |
| 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 |
| JPH10327126A (ja) * | 1997-04-30 | 1998-12-08 | Lucent Technol Inc | Cdma受信機 |
| JP2000092009A (ja) * | 1998-07-13 | 2000-03-31 | Sony Corp | 通信方法、送信機及び受信機 |
| JP2001086045A (ja) * | 1999-08-17 | 2001-03-30 | Lucent Technol Inc | 送信ダイバーシチの改善方法 |
| 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 |
| JP2002064879A (ja) * | 2000-07-04 | 2002-02-28 | Sk Telecom Co Ltd | 逆方向チャネル同期無線移動通信システムにおけるコード割り当て方法およびコード割り当て方法が記録された記録媒体 |
| JP2002111627A (ja) * | 2000-08-01 | 2002-04-12 | Sony Internatl Europ Gmbh | セルラ通信システム及び情報伝送方法 |
| JP2002077104A (ja) * | 2000-08-29 | 2002-03-15 | Mitsubishi Electric Corp | 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 |
| JP2002204217A (ja) * | 2000-11-06 | 2002-07-19 | Ntt Docomo Inc | 移動通信システムにおける拡散符号割り当て方法、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 |
| JP2002164814A (ja) * | 2000-11-24 | 2002-06-07 | Nippon Soken Inc | スペクトラム拡散受信機の相関検出器 |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008526141A (ja) * | 2004-12-22 | 2008-07-17 | クゥアルコム・インコーポレイテッド | 無線通信システムにおける制約されたホッピング |
| US8571132B2 (en) | 2004-12-22 | 2013-10-29 | Qualcomm Incorporated | Constrained hopping in wireless communication systems |
| JP2008546256A (ja) * | 2005-05-18 | 2008-12-18 | クゥアルコム・インコーポレイテッド | 直交周波数分割無線通信システムにおけるソフターおよびソフトハンドオフ |
| US8045988B2 (en) | 2005-05-18 | 2011-10-25 | Qualcomm Incorporated | Softer and soft handoff in an orthogonal frequency division wireless communication system |
| JP2008543141A (ja) * | 2005-05-25 | 2008-11-27 | フラウンホッファー−ゲゼルシャフト ツァ フェルダールング デァ アンゲヴァンテン フォアシュンク エー.ファオ | 無線通信システムにおける干渉を低減するための方法 |
| WO2008072286A1 (ja) * | 2006-12-08 | 2008-06-19 | Fujitsu Limited | 隣接セクタ間干渉低減方法及び基地局装置 |
| US8116756B2 (en) | 2006-12-08 | 2012-02-14 | Fujitsu Limited | Method for reducing interference between adjacent sectors, and base station apparatus |
| JP2013062842A (ja) * | 2008-07-11 | 2013-04-04 | Qualcomm Inc | 支配的な干渉シナリオにおける同期tdmに基づいた通信 |
| JP2015136137A (ja) * | 2008-07-11 | 2015-07-27 | クゥアルコム・インコーポレイテッドQualcomm Incorporated | 支配的な干渉シナリオにおける同期tdmに基づいた通信 |
| JP2012519435A (ja) * | 2009-03-02 | 2012-08-23 | 聯發科技股▲ふん▼有限公司 | Ofdmaシステムのシステム情報の放送及び受信システムの方法並びに装置 |
| US9609536B2 (en) | 2010-04-13 | 2017-03-28 | Qualcomm Incorporated | Measurement of received power and received quality in a wireless communication network |
Also Published As
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5341052B2 (ja) | 無線マルチキャリヤ通信システムに関するパイロット伝送方法 | |
| JP5290348B2 (ja) | Ofdmaシステムにおける符合分割多重パイロットによる高速周波数ホッピング | |
| CN1751489B (zh) | 无线多载波通信系统的导频传输方案 | |
| HK1139533A (en) | Pilot transmission schemes for wireless multi-carrier communication systems | |
| HK1086401B (en) | Pilot transmission schemes for wireless multi-carrier communication systems | |
| HK1154323A (en) | Pilot transmission schemes for wireless multi-carrier communication systems |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20070109 |
|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20070109 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20071015 |
|
| A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20090525 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20090602 |
|
| A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20090826 |
|
| A602 | Written permission of extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A602 Effective date: 20090902 |
|
| A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20090925 |
|
| A602 | Written permission of extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A602 Effective date: 20091002 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20091102 |
|
| A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20100713 |
|
| A761 | Written withdrawal of application |
Free format text: JAPANESE INTERMEDIATE CODE: A761 Effective date: 20120820 |