CN1103149C - 用于相干平均功率估计的方法和装置 - Google Patents
用于相干平均功率估计的方法和装置 Download PDFInfo
- Publication number
- CN1103149C CN1103149C CN98811827A CN98811827A CN1103149C CN 1103149 C CN1103149 C CN 1103149C CN 98811827 A CN98811827 A CN 98811827A CN 98811827 A CN98811827 A CN 98811827A CN 1103149 C CN1103149 C CN 1103149C
- Authority
- CN
- China
- Prior art keywords
- symbol
- power
- receiver
- received signal
- estimation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/309—Measuring or estimating channel quality parameters
- H04B17/318—Received signal strength
- H04B17/327—Received signal code power [RSCP]
Landscapes
- Engineering & Computer Science (AREA)
- Quality & Reliability (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Abstract
Description
Claims (15)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/985,198 US6067315A (en) | 1997-12-04 | 1997-12-04 | Method and apparatus for coherently-averaged power estimation |
US08/985198 | 1997-12-04 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1280722A CN1280722A (zh) | 2001-01-17 |
CN1103149C true CN1103149C (zh) | 2003-03-12 |
Family
ID=25531283
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN98811827A Expired - Fee Related CN1103149C (zh) | 1997-12-04 | 1998-11-20 | 用于相干平均功率估计的方法和装置 |
Country Status (7)
Country | Link |
---|---|
US (1) | US6067315A (zh) |
EP (1) | EP1040596A1 (zh) |
JP (1) | JP2001525628A (zh) |
CN (1) | CN1103149C (zh) |
AU (1) | AU1448099A (zh) |
CA (1) | CA2312772A1 (zh) |
WO (1) | WO1999029046A1 (zh) |
Families Citing this family (55)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2894342B1 (ja) * | 1998-03-13 | 1999-05-24 | 日本電気株式会社 | スロットタイミング検出方法および検出回路ならびに移動局ならびに移動通信システム |
KR100281082B1 (ko) * | 1998-06-01 | 2001-02-01 | 서평원 | 씨디엠에이(cdma)통신시스템의전력제어장치및방법 |
GB9818378D0 (en) * | 1998-08-21 | 1998-10-21 | Nokia Mobile Phones Ltd | Receiver |
US6813254B1 (en) * | 1998-11-25 | 2004-11-02 | Lucent Technologies Inc. | Methods and apparatus for wireless communication using code division duplex time-slotted CDMA |
US6229841B1 (en) * | 1998-12-11 | 2001-05-08 | Qualcomm Incorporated | Method and apparatus for energy estimation in a wireless receiver capable of receiving multiple instances of a common signal |
US6728302B1 (en) * | 1999-02-12 | 2004-04-27 | Texas Instruments Incorporated | STTD encoding for PCCPCH |
JP2001024555A (ja) * | 1999-07-02 | 2001-01-26 | Nec Mobile Commun Ltd | Cdma通信装置および送信電力制御方法 |
JP3570671B2 (ja) * | 1999-07-12 | 2004-09-29 | 富士通株式会社 | 無線通信装置 |
US6850505B1 (en) * | 1999-09-01 | 2005-02-01 | Telefonaktiebolaget L M Ericsson (Publ) | Method and apparatus for Doppler frequency estimation |
US6208842B1 (en) * | 1999-09-30 | 2001-03-27 | Motorola Inc. | Method and apparatus for estimating a channel parameter |
US7295509B2 (en) * | 2000-09-13 | 2007-11-13 | Qualcomm, Incorporated | Signaling method in an OFDM multiple access system |
US9130810B2 (en) | 2000-09-13 | 2015-09-08 | Qualcomm Incorporated | OFDM communications methods and apparatus |
CN1140075C (zh) * | 2000-12-18 | 2004-02-25 | 信息产业部电信传输研究所 | 基于多径能量窗的码分多址系统初始同步与小区搜索装置 |
US7298776B2 (en) * | 2001-12-14 | 2007-11-20 | Qualcomm Incorporated | Acquisition of a gated pilot signal with coherent and noncoherent integration |
US6636568B2 (en) * | 2002-03-01 | 2003-10-21 | Qualcomm | Data transmission with non-uniform distribution of data rates for a multiple-input multiple-output (MIMO) system |
JP3961907B2 (ja) * | 2002-08-23 | 2007-08-22 | 富士通株式会社 | フェージング周波数推定装置 |
US7567621B2 (en) * | 2004-07-21 | 2009-07-28 | Qualcomm Incorporated | Capacity based rank prediction for MIMO design |
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 |
EP1655854A1 (en) * | 2004-11-03 | 2006-05-10 | Alcatel | Method for calculating a path profile in a cellular communication system |
US7369630B2 (en) * | 2004-11-29 | 2008-05-06 | Faraday Technology Corp. | Fast Walsh transform (FWT) demodulator and method thereof |
SG124304A1 (en) * | 2005-01-20 | 2006-08-30 | St Microelectronics Asia | Method and system for adaptive channel estimation in pilot symbol assisted modulation systems |
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 |
US9520972B2 (en) * | 2005-03-17 | 2016-12-13 | 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 |
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 |
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 |
US7599453B2 (en) * | 2005-04-21 | 2009-10-06 | Telefonaktiebolaget L M Ericsson (Publ) | Doppler spread estimation for OFDM systems |
US8611284B2 (en) | 2005-05-31 | 2013-12-17 | Qualcomm Incorporated | Use of supplemental assignments to decrement resources |
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 |
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 |
US8885628B2 (en) | 2005-08-08 | 2014-11-11 | Qualcomm Incorporated | Code division multiplexing in a single-carrier frequency division multiple access system |
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 |
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 |
US9144060B2 (en) | 2005-10-27 | 2015-09-22 | Qualcomm Incorporated | Resource allocation for shared signaling channels |
US8045512B2 (en) | 2005-10-27 | 2011-10-25 | Qualcomm Incorporated | Scalable frequency band operation in wireless communication systems |
US8477684B2 (en) | 2005-10-27 | 2013-07-02 | Qualcomm Incorporated | Acknowledgement of control messages in a wireless communication system |
US9088384B2 (en) | 2005-10-27 | 2015-07-21 | Qualcomm Incorporated | Pilot symbol transmission in wireless communication systems |
US9210651B2 (en) | 2005-10-27 | 2015-12-08 | Qualcomm Incorporated | Method and apparatus for bootstraping information in a communication system |
US9225416B2 (en) | 2005-10-27 | 2015-12-29 | Qualcomm Incorporated | Varied signaling channels for a reverse link 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 |
US8582548B2 (en) | 2005-11-18 | 2013-11-12 | Qualcomm Incorporated | Frequency division multiple access schemes for wireless communication |
US8831607B2 (en) | 2006-01-05 | 2014-09-09 | Qualcomm Incorporated | Reverse link other sector communication |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5297161A (en) * | 1992-06-29 | 1994-03-22 | Motorola Inc. | Method and apparatus for power estimation in an orthogonal coded communication system |
CN1109266A (zh) * | 1993-06-02 | 1995-09-27 | 罗克马诺尔研究有限公司 | 组合了扩频信号所有可用多径组件的瑞克接收机 |
US5579338A (en) * | 1992-06-29 | 1996-11-26 | Mitsubishi Denki Kabushiki Kaisha | Spread spectrum receiver using partial correlations |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5056109A (en) * | 1989-11-07 | 1991-10-08 | Qualcomm, Inc. | Method and apparatus for controlling transmission power in a cdma cellular mobile telephone system |
US5265119A (en) * | 1989-11-07 | 1993-11-23 | Qualcomm Incorporated | Method and apparatus for controlling transmission power in a CDMA cellular mobile telephone system |
US5257283A (en) * | 1989-11-07 | 1993-10-26 | Qualcomm Incorporated | Spread spectrum transmitter power control method and system |
US5485486A (en) * | 1989-11-07 | 1996-01-16 | Qualcomm Incorporated | Method and apparatus for controlling transmission power in a CDMA cellular mobile telephone system |
US5452331A (en) * | 1992-08-14 | 1995-09-19 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Symbol lock detection implemented with nonoverlapping integration intervals |
US5640431A (en) * | 1995-03-10 | 1997-06-17 | Motorola, Inc. | Method and apparatus for offset frequency estimation for a coherent receiver |
US5790515A (en) * | 1995-08-28 | 1998-08-04 | Motorola, Inc. | Method and apparatus for sorting walsh indexes in a communication system receiver |
US5799011A (en) * | 1996-03-29 | 1998-08-25 | Motorola, Inc. | CDMA power control channel estimation using dynamic coefficient scaling |
-
1997
- 1997-12-04 US US08/985,198 patent/US6067315A/en not_active Expired - Lifetime
-
1998
- 1998-11-20 CN CN98811827A patent/CN1103149C/zh not_active Expired - Fee Related
- 1998-11-20 EP EP98958424A patent/EP1040596A1/en not_active Withdrawn
- 1998-11-20 JP JP2000523764A patent/JP2001525628A/ja active Pending
- 1998-11-20 WO PCT/SE1998/002114 patent/WO1999029046A1/en not_active Application Discontinuation
- 1998-11-20 CA CA002312772A patent/CA2312772A1/en not_active Abandoned
- 1998-11-20 AU AU14480/99A patent/AU1448099A/en not_active Abandoned
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5297161A (en) * | 1992-06-29 | 1994-03-22 | Motorola Inc. | Method and apparatus for power estimation in an orthogonal coded communication system |
US5579338A (en) * | 1992-06-29 | 1996-11-26 | Mitsubishi Denki Kabushiki Kaisha | Spread spectrum receiver using partial correlations |
CN1109266A (zh) * | 1993-06-02 | 1995-09-27 | 罗克马诺尔研究有限公司 | 组合了扩频信号所有可用多径组件的瑞克接收机 |
Also Published As
Publication number | Publication date |
---|---|
CN1280722A (zh) | 2001-01-17 |
WO1999029046A1 (en) | 1999-06-10 |
AU1448099A (en) | 1999-06-16 |
US6067315A (en) | 2000-05-23 |
CA2312772A1 (en) | 1999-06-10 |
JP2001525628A (ja) | 2001-12-11 |
EP1040596A1 (en) | 2000-10-04 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN1103149C (zh) | 用于相干平均功率估计的方法和装置 | |
CN1188961C (zh) | 控制选通发送通信系统的方法和设备 | |
CN1292544C (zh) | 下行链路中的多用户检测确定信道化码的方法和装置 | |
CN1080959C (zh) | 通信系统中的功率估计方法和设备 | |
US20070041348A1 (en) | Transmitting/receiving apparatus and method for cell search in a broadband wireless communications system | |
JP3268362B2 (ja) | 通信システムにおける電力制御閾値を調整するための方法および装置 | |
JP3205338B2 (ja) | 直交符号化通信システムにおけるパワー推定方法および装置 | |
US6987746B1 (en) | Pilot signals for synchronization and/or channel estimation | |
US7317749B2 (en) | Pilot signals for synchronization and/or channel estimation | |
US20060002453A1 (en) | Pilot signals for synchronization and/or channel estimation | |
CN1134119C (zh) | 一种用于在码分多址系统中改进提取的方法 | |
EP1118193B1 (en) | Encoding/decoding additional symbols in a communications system | |
US6804264B1 (en) | Pilot signals for synchronization and/or channel estimation | |
CN1192109A (zh) | Cdma无线通信系统 | |
CN1130851C (zh) | 移动通信系统中进行功率控制信号通信的装置和方法 | |
CN1114294C (zh) | 速度自适应信道估计方法及装置 | |
CN1247422A (zh) | 用于干扰消除器的传播路径估算方法和干扰消除装置 | |
Kwak et al. | Infrared transmission for intervehicle ranging and vehicle-to-roadside communication systems using spread-spectrum technique | |
WO2006106474A2 (en) | Method and apparatus for estimating channel in mobile communication system | |
CN1265544A (zh) | 使用拉格朗日多项式插值法补偿信道失真的方法和系统 | |
US6526103B1 (en) | Multi-stage receiver | |
US6668011B1 (en) | Block detection receiver | |
JP4806766B2 (ja) | 無線通信方法、受信状況推定方法、送信装置、および、受信装置 | |
KR100329972B1 (ko) | 통신시스템의데이터심볼검출장치및그방법 | |
KR100448894B1 (ko) | 다차원 직교 자원 도약 다중화 통신 방식에 기반한 디지털통신 시스템 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
REG | Reference to a national code |
Ref country code: HK Ref legal event code: WD Ref document number: 1032862 Country of ref document: HK |
|
ASS | Succession or assignment of patent right |
Owner name: UNWIRED PLANET INC. Free format text: FORMER OWNER: CLUSTER CO., LTD. Effective date: 20130715 Owner name: CLUSTER CO., LTD. Free format text: FORMER OWNER: TELEFONAKTIEBOLAGET LM ERICSSON (SE) S-126 25 STOCKHOLM, SWEDEN Effective date: 20130715 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20130715 Address after: Nevada Patentee after: Wireless Planet LLC Address before: Delaware Patentee before: Clastres LLC Effective date of registration: 20130715 Address after: Delaware Patentee after: Clastres LLC Address before: Stockholm Patentee before: Telefonaktiebolaget LM Ericsson |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20030312 Termination date: 20141120 |
|
EXPY | Termination of patent right or utility model |