WO1999021334A1 - Dispositif de radiocommunication et procede de radiocommunication - Google Patents
Dispositif de radiocommunication et procede de radiocommunication Download PDFInfo
- Publication number
- WO1999021334A1 WO1999021334A1 PCT/JP1998/004712 JP9804712W WO9921334A1 WO 1999021334 A1 WO1999021334 A1 WO 1999021334A1 JP 9804712 W JP9804712 W JP 9804712W WO 9921334 A1 WO9921334 A1 WO 9921334A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- signal
- frequency offset
- wireless communication
- communication device
- buffer
- 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
- H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
- H04L27/22—Demodulator circuits; Receiver circuits
- H04L27/233—Demodulator circuits; Receiver circuits using non-coherent demodulation
- H04L27/2332—Demodulator circuits; Receiver circuits using non-coherent demodulation using a non-coherent carrier
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/0014—Carrier regulation
- H04L2027/0024—Carrier regulation at the receiver end
- H04L2027/0026—Correction of carrier offset
- H04L2027/0032—Correction of carrier offset at baseband and passband
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/0014—Carrier regulation
- H04L2027/0044—Control loops for carrier regulation
- H04L2027/0053—Closed loops
- H04L2027/0055—Closed loops single phase
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/0014—Carrier regulation
- H04L2027/0044—Control loops for carrier regulation
- H04L2027/0053—Closed loops
- H04L2027/0057—Closed loops quadrature phase
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/0014—Carrier regulation
- H04L2027/0044—Control loops for carrier regulation
- H04L2027/0063—Elements of loops
- H04L2027/0065—Frequency error detectors
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/0014—Carrier regulation
- H04L2027/0083—Signalling arrangements
- H04L2027/0089—In-band signals
- H04L2027/0093—Intermittant signals
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/319,941 US6493397B1 (en) | 1997-10-20 | 1998-10-19 | Radio communication device and radio communication method |
CNB988015668A CN1164062C (zh) | 1997-10-20 | 1998-10-19 | 无线电通信装置和无线电通信方法 |
AU94633/98A AU722691B2 (en) | 1997-10-20 | 1998-10-19 | Radio communication apparatus and radio communication method |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9/306559 | 1997-10-20 | ||
JP30655997 | 1997-10-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1999021334A1 true WO1999021334A1 (fr) | 1999-04-29 |
Family
ID=17958517
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1998/004712 WO1999021334A1 (fr) | 1997-10-20 | 1998-10-19 | Dispositif de radiocommunication et procede de radiocommunication |
Country Status (4)
Country | Link |
---|---|
US (1) | US6493397B1 (ja) |
CN (1) | CN1164062C (ja) |
AU (1) | AU722691B2 (ja) |
WO (1) | WO1999021334A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1128620A1 (en) * | 1999-07-28 | 2001-08-29 | Matsushita Electric Industrial Co., Ltd. | Apparatus for detecting frequency offset |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100680074B1 (ko) * | 1999-10-05 | 2007-02-09 | 유티스타콤코리아 유한회사 | 코드 분할 다중 방식 이동통신 기지국 시스템의 무선주파수 |
EP1277316A2 (en) | 2000-04-28 | 2003-01-22 | Broadcom Corporation | Methods and systems for adaptive receiver equalization |
JP2001339328A (ja) * | 2000-05-25 | 2001-12-07 | Communication Research Laboratory | 受信装置、受信方法、ならびに、情報記録媒体 |
US7038733B2 (en) * | 2002-01-30 | 2006-05-02 | Ericsson Inc. | Television receivers and methods for processing signal sample streams synchronously with line/frame patterns |
US7209716B2 (en) * | 2003-02-27 | 2007-04-24 | Ntt Docomo, Inc. | Radio communication system, radio station, and radio communication method |
US7327811B2 (en) * | 2003-04-01 | 2008-02-05 | Telefonaktiebolaget L M Ericsson | Method and apparatus for facilitating signal discrimination in a wireless network by applying known frequency offsets |
US7313205B2 (en) * | 2004-03-30 | 2007-12-25 | Motorola, Inc. | Method and apparatus for frequency correction in wireless local area network systems |
US8842655B2 (en) | 2008-07-11 | 2014-09-23 | Sumitomo Electric Industries, Ltd. | Communication apparatus for multi antenna signal processing |
CN102598561B (zh) * | 2009-10-26 | 2014-11-26 | 住友电气工业株式会社 | 无线通信装置 |
JP6058135B2 (ja) | 2012-08-09 | 2017-01-11 | ゼットティーイー(ユーエスエー)インコーポレーテッド | コヒーレントデュオバイナリ整形pm−qpsk信号処理方法及び装置 |
US9590833B2 (en) | 2013-08-07 | 2017-03-07 | Zte Corporation | Reception of 2-subcarriers coherent orthogonal frequency division multiplexed signals |
US9564976B2 (en) | 2014-08-19 | 2017-02-07 | Zte Corporation | Blind equalization of dual subcarrier OFDM signals |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6342253A (ja) * | 1986-08-08 | 1988-02-23 | Fujitsu Ltd | 4相位相復調器 |
JPH02214245A (ja) * | 1989-02-14 | 1990-08-27 | Japan Radio Co Ltd | 4位相角変調波遅延検波装置 |
JPH04100357A (ja) * | 1990-08-18 | 1992-04-02 | Fujitsu Ltd | π/4シフトQPSK遅延検波復調器 |
JPH05110616A (ja) * | 1991-01-31 | 1993-04-30 | Nec Corp | 自動干渉除去装置 |
JPH08228208A (ja) * | 1994-12-22 | 1996-09-03 | Mitsubishi Electric Corp | 受信機 |
JPH09162943A (ja) * | 1995-12-13 | 1997-06-20 | Matsushita Electric Ind Co Ltd | 受信装置 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0761090B2 (ja) | 1993-03-05 | 1995-06-28 | 警察大学校長 | 多値変調の周波数オフセット補償方法とその回路 |
JPH06342253A (ja) * | 1993-06-01 | 1994-12-13 | Canon Inc | 画像形成装置 |
JP2989732B2 (ja) | 1993-08-23 | 1999-12-13 | エヌ・ティ・ティ移動通信網株式会社 | 周波数オフセット補償回路 |
US5461646A (en) * | 1993-12-29 | 1995-10-24 | Tcsi Corporation | Synchronization apparatus for a diversity receiver |
DE69533246T2 (de) | 1994-03-25 | 2005-08-25 | Samsung Electronics Co., Ltd., Suwon | Verfahren und Vorrichtung für automatische Frequenzregelung |
US5684836A (en) | 1994-12-22 | 1997-11-04 | Mitsubishi Denki Kabushiki Kaisha | Receiver with automatic frequency control |
JP2705613B2 (ja) * | 1995-01-31 | 1998-01-28 | 日本電気株式会社 | 周波数オフセット補正装置 |
US5802117A (en) * | 1996-02-08 | 1998-09-01 | Philips Electronics North America Corporation | Method and apparatus for joint frequency offset and timing estimation of a multicarrier modulation system |
JPH10190497A (ja) * | 1996-12-27 | 1998-07-21 | Fujitsu Ltd | Sir測定装置 |
-
1998
- 1998-10-19 WO PCT/JP1998/004712 patent/WO1999021334A1/ja active IP Right Grant
- 1998-10-19 US US09/319,941 patent/US6493397B1/en not_active Expired - Fee Related
- 1998-10-19 AU AU94633/98A patent/AU722691B2/en not_active Ceased
- 1998-10-19 CN CNB988015668A patent/CN1164062C/zh not_active Expired - Fee Related
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6342253A (ja) * | 1986-08-08 | 1988-02-23 | Fujitsu Ltd | 4相位相復調器 |
JPH02214245A (ja) * | 1989-02-14 | 1990-08-27 | Japan Radio Co Ltd | 4位相角変調波遅延検波装置 |
JPH04100357A (ja) * | 1990-08-18 | 1992-04-02 | Fujitsu Ltd | π/4シフトQPSK遅延検波復調器 |
JPH05110616A (ja) * | 1991-01-31 | 1993-04-30 | Nec Corp | 自動干渉除去装置 |
JPH08228208A (ja) * | 1994-12-22 | 1996-09-03 | Mitsubishi Electric Corp | 受信機 |
JPH09162943A (ja) * | 1995-12-13 | 1997-06-20 | Matsushita Electric Ind Co Ltd | 受信装置 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1128620A1 (en) * | 1999-07-28 | 2001-08-29 | Matsushita Electric Industrial Co., Ltd. | Apparatus for detecting frequency offset |
EP1128620A4 (en) * | 1999-07-28 | 2006-06-28 | Matsushita Electric Ind Co Ltd | FREQUENCY OFFSET DETECTION APPARATUS |
Also Published As
Publication number | Publication date |
---|---|
CN1164062C (zh) | 2004-08-25 |
AU722691B2 (en) | 2000-08-10 |
US6493397B1 (en) | 2002-12-10 |
AU9463398A (en) | 1999-05-10 |
CN1242900A (zh) | 2000-01-26 |
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