CN1297165C - 峰值系数降低装置 - Google Patents
峰值系数降低装置 Download PDFInfo
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- CN1297165C CN1297165C CNB031107559A CN03110755A CN1297165C CN 1297165 C CN1297165 C CN 1297165C CN B031107559 A CNB031107559 A CN B031107559A CN 03110755 A CN03110755 A CN 03110755A CN 1297165 C CN1297165 C CN 1297165C
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- 238000009792 diffusion process Methods 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 5
- 238000001228 spectrum Methods 0.000 claims description 5
- 230000006866 deterioration Effects 0.000 abstract description 11
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- 238000000034 method Methods 0.000 abstract description 7
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Classifications
-
- 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
- H04B1/707—Spread spectrum techniques using direct sequence modulation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
- H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
- H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
- H04B2201/70706—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation with means for reducing the peak-to-average power ratio
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Transmitters (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Abstract
Description
Claims (18)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002341670A JP3990974B2 (ja) | 2002-11-26 | 2002-11-26 | ピークファクタ低減装置 |
JP341670/2002 | 2002-11-26 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1503586A CN1503586A (zh) | 2004-06-09 |
CN1297165C true CN1297165C (zh) | 2007-01-24 |
Family
ID=32321976
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB031107559A Expired - Fee Related CN1297165C (zh) | 2002-11-26 | 2003-04-15 | 峰值系数降低装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US6999733B2 (zh) |
JP (1) | JP3990974B2 (zh) |
KR (1) | KR100996082B1 (zh) |
CN (1) | CN1297165C (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9806929B2 (en) | 2014-12-12 | 2017-10-31 | Intel IP Corporation | Communication device with power amplifier crest factor reduction |
Families Citing this family (33)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7295816B2 (en) * | 2003-06-30 | 2007-11-13 | Crestcom, Inc. | Methods and apparatus for controlling signals |
US7251463B2 (en) * | 2003-06-30 | 2007-07-31 | Crestcom, Inc. | Methods and apparatus for controlling signals |
US7142831B2 (en) * | 2003-12-18 | 2006-11-28 | Kiomars Anvari | Crest factor reduction and amplitude pre-distortion for multi-carrier signals |
JP2006042050A (ja) * | 2004-07-28 | 2006-02-09 | Nec Corp | 送信装置およびピーク低減方法 |
JP4469685B2 (ja) * | 2004-08-25 | 2010-05-26 | 富士通株式会社 | 出力電力誤差吸収回路及び同回路を有するマルチキャリア送信機 |
JP2008512907A (ja) * | 2004-09-07 | 2008-04-24 | フリースケール セミコンダクター インコーポレイテッド | 装置およびその制御インターフェース |
JP4823013B2 (ja) * | 2006-10-18 | 2011-11-24 | 株式会社日立製作所 | ピークファクタ低減装置およびベースバンド信号処理装置 |
CN100508512C (zh) * | 2005-01-11 | 2009-07-01 | 联发科技股份有限公司 | 应用于正交频分复用系统的脉冲噪声抑制装置及其方法 |
JP4774953B2 (ja) * | 2005-11-28 | 2011-09-21 | 株式会社日立製作所 | 時間インターリーブad変換器 |
JP4625410B2 (ja) * | 2006-01-19 | 2011-02-02 | 株式会社日立国際電気 | 送信機 |
US7783260B2 (en) * | 2006-04-27 | 2010-08-24 | Crestcom, Inc. | Method and apparatus for adaptively controlling signals |
JP4750652B2 (ja) * | 2006-08-30 | 2011-08-17 | 株式会社エヌ・ティ・ティ・ドコモ | マルチキャリア方式で信号を伝送するための装置及び方法 |
KR101314254B1 (ko) | 2007-02-16 | 2013-10-02 | 삼성전자주식회사 | Ofdm 송수신 시스템 및 그 방법 |
JP4823107B2 (ja) * | 2007-03-09 | 2011-11-24 | 株式会社日立製作所 | Ofdm変調装置 |
JP5125797B2 (ja) * | 2008-06-19 | 2013-01-23 | 富士通株式会社 | 振幅抑圧装置および信号送信装置 |
JP5262361B2 (ja) * | 2008-07-03 | 2013-08-14 | 富士通株式会社 | ピーク抑圧復元方法、送信装置、受信装置、およびピーク抑圧復元システム |
US8259846B2 (en) * | 2008-07-30 | 2012-09-04 | Motorola Mobility Llc | Apparatus and method for generating a multicarrier communication signal having a reduced crest factor |
JP5138508B2 (ja) * | 2008-08-22 | 2013-02-06 | 日本無線株式会社 | ピークリミッタ回路 |
US8103226B2 (en) * | 2008-10-28 | 2012-01-24 | Skyworks Solutions, Inc. | Power amplifier saturation detection |
JP5175751B2 (ja) * | 2009-01-21 | 2013-04-03 | 株式会社日立製作所 | ピークファクタ低減装置および基地局 |
JP5433327B2 (ja) | 2009-07-10 | 2014-03-05 | 株式会社日立製作所 | ピークファクタ低減装置および基地局 |
US8824574B2 (en) * | 2009-09-11 | 2014-09-02 | Crestcom, Inc. | Transmitting unit that reduces PAPR and method therefor |
US8185065B2 (en) * | 2009-10-15 | 2012-05-22 | Crestcom, Inc. | Transmitting unit that reduces PAPR using out-of-band distortion and method therefor |
JP5406132B2 (ja) * | 2010-07-08 | 2014-02-05 | 株式会社日立製作所 | ピークファクタ低減装置および無線送信機 |
JP5990422B2 (ja) * | 2012-07-24 | 2016-09-14 | 日本無線株式会社 | ピーク抑圧回路 |
US9014319B1 (en) * | 2013-11-22 | 2015-04-21 | Xilinx, Inc. | Cancellation pulse crest factor reduction |
EP3363171B1 (en) * | 2015-10-15 | 2020-06-03 | Telefonaktiebolaget LM Ericsson (PUBL) | Method and peak reduction unit for limiting a peak or group of peaks of an aggregated baseband carrier signal in a radio transmitter. |
US9848342B1 (en) | 2016-07-20 | 2017-12-19 | Ccip, Llc | Excursion compensation in multipath communication systems having performance requirements parameters |
US11032112B2 (en) * | 2019-10-18 | 2021-06-08 | Motorola Solutions, Inc. | Multi-carrier crest factor reduction |
US11190383B2 (en) * | 2020-03-04 | 2021-11-30 | Qualcomm Incorporated | Reducing peak-to-average power ratio (PAPR) using peak suppression information messages |
US11550027B2 (en) * | 2020-05-04 | 2023-01-10 | Nxp B.V. | Predistortion technique for joint radar/communication systems |
CN112698081B (zh) * | 2020-12-10 | 2023-06-23 | 北京大华无线电仪器有限责任公司 | 一种用于交流正弦负载的电流峰值因数计算控制方法 |
US12007465B2 (en) | 2021-10-19 | 2024-06-11 | Nxp B.V. | Radar apparatus and method with content embedded in the radar signal |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1305294A (zh) * | 2001-01-18 | 2001-07-25 | 清华大学 | 降低多载波通信系统中信号的峰均功率比的方法和装置 |
WO2003013081A1 (en) * | 2001-08-02 | 2003-02-13 | Powerwave Technologies, Inc. | System and method for post filtering peak power reduction in multi-carrier communications systems |
WO2003019791A2 (en) * | 2001-08-23 | 2003-03-06 | Nortel Networks Limited | System and method for reducing the peak power in multi-carrier modulation |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3548657B2 (ja) | 1996-10-17 | 2004-07-28 | 株式会社日立製作所 | 多重信号の送信装置 |
US6449302B2 (en) * | 2000-04-19 | 2002-09-10 | Powerwave Technologies, Inc. | System and method for peak power reduction in spread spectrum communications systems |
AUPQ820000A0 (en) * | 2000-06-20 | 2000-07-13 | Berangi, R. | Peak power reduction schemes for multi-code cdma and critically sampled complex gaussian signals |
JP3702829B2 (ja) | 2001-10-16 | 2005-10-05 | 株式会社日立製作所 | ピークファクタ低減装置 |
-
2002
- 2002-11-26 JP JP2002341670A patent/JP3990974B2/ja not_active Expired - Fee Related
-
2003
- 2003-03-28 KR KR20030019369A patent/KR100996082B1/ko not_active IP Right Cessation
- 2003-04-14 US US10/412,247 patent/US6999733B2/en not_active Expired - Fee Related
- 2003-04-15 CN CNB031107559A patent/CN1297165C/zh not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1305294A (zh) * | 2001-01-18 | 2001-07-25 | 清华大学 | 降低多载波通信系统中信号的峰均功率比的方法和装置 |
WO2003013081A1 (en) * | 2001-08-02 | 2003-02-13 | Powerwave Technologies, Inc. | System and method for post filtering peak power reduction in multi-carrier communications systems |
WO2003019791A2 (en) * | 2001-08-23 | 2003-03-06 | Nortel Networks Limited | System and method for reducing the peak power in multi-carrier modulation |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9806929B2 (en) | 2014-12-12 | 2017-10-31 | Intel IP Corporation | Communication device with power amplifier crest factor reduction |
Also Published As
Publication number | Publication date |
---|---|
CN1503586A (zh) | 2004-06-09 |
JP3990974B2 (ja) | 2007-10-17 |
US6999733B2 (en) | 2006-02-14 |
KR100996082B1 (ko) | 2010-11-22 |
US20040100210A1 (en) | 2004-05-27 |
KR20040047516A (ko) | 2004-06-05 |
JP2004179813A (ja) | 2004-06-24 |
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