JP4515843B2 - 通信ネットワークにおいてfskシンボルを検出するofdm受信機及び方法 - Google Patents
通信ネットワークにおいてfskシンボルを検出するofdm受信機及び方法 Download PDFInfo
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- JP4515843B2 JP4515843B2 JP2004211675A JP2004211675A JP4515843B2 JP 4515843 B2 JP4515843 B2 JP 4515843B2 JP 2004211675 A JP2004211675 A JP 2004211675A JP 2004211675 A JP2004211675 A JP 2004211675A JP 4515843 B2 JP4515843 B2 JP 4515843B2
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- JP
- Japan
- Prior art keywords
- fsk
- ofdm
- signal
- symbols
- communication network
- 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.)
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Classifications
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- 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
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2647—Arrangements specific to the receiver only
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Description
Claims (1)
- 通信ネットワークにおいてFSKシンボルを検出するOFDM受信機であって、
受信されたFSK信号の時間領域のサンプルを受信するように接続される1つの入力、及び周波数領域における前記FSK信号を表す複数の出力を有するOFDM復調器と、
前記複数の出力のエネルギーを求める手段と、
前記FSK信号からデータストリームを再生するように、各出力の前記エネルギーを比較する手段とを備え、
FSKシンボルの持続時間はOFDMシンボルの持続時間未満である、
通信ネットワークにおいてFSKシンボルを検出するOFDM受信機。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/624,771 US7154956B2 (en) | 2003-07-22 | 2003-07-22 | OFDM receiver for detecting FSK modulated signals |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005045801A JP2005045801A (ja) | 2005-02-17 |
JP4515843B2 true JP4515843B2 (ja) | 2010-08-04 |
Family
ID=34080078
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004211675A Expired - Fee Related JP4515843B2 (ja) | 2003-07-22 | 2004-07-20 | 通信ネットワークにおいてfskシンボルを検出するofdm受信機及び方法 |
Country Status (2)
Country | Link |
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US (1) | US7154956B2 (ja) |
JP (1) | JP4515843B2 (ja) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10338053B4 (de) * | 2003-08-19 | 2005-12-15 | Siemens Ag | Verfahren zur Zuweisung von Funkressourcen und Netzeinrichtung in einem Mehrträgerfunkkommunikationssystem |
JP2005269392A (ja) * | 2004-03-19 | 2005-09-29 | Nec Electronics Corp | 受信装置及び受信方法と通信システムと装置 |
US20050232139A1 (en) * | 2004-04-20 | 2005-10-20 | Texas Instruments Incorporated | Dual length block codes for multi-band OFDM |
US7349458B2 (en) * | 2004-05-17 | 2008-03-25 | Mitsubishi Electric Research Laboratories, Inc. | Linear receivers for time-hopping impulse radio systems |
KR100647988B1 (ko) * | 2004-06-08 | 2006-11-23 | 삼성전자주식회사 | 멀티 밴드 직교 주파수 분할 다중 시스템에서 무선자원할당 시스템 |
US8014468B2 (en) * | 2004-12-15 | 2011-09-06 | Microsoft Corporation | Energy detection receiver for UWB |
RU2290749C1 (ru) * | 2005-06-15 | 2006-12-27 | Игорь Борисович Дунаев | Способ демодуляции сигнала многопозиционной частотной манипуляции с эквидистантным разнесением по частоте, демодулятор такого сигнала и машиночитаемый носитель |
US20070217527A1 (en) * | 2006-03-20 | 2007-09-20 | Beceem Communications, Inc. | Method and system for determining channel response in a block transmission system |
US10084627B2 (en) | 2006-07-10 | 2018-09-25 | Qualcomm Incorporated | Frequency hopping in an SC-FDMA environment |
US8081673B2 (en) * | 2007-11-30 | 2011-12-20 | Cellnet Innovations, Inc. | Systems and methods for processing spread spectrum signals |
US8107551B2 (en) * | 2007-12-14 | 2012-01-31 | Cellnet Innovations, Inc. | Systems and methods for signal modulation and demodulation using phase |
JP2011217210A (ja) * | 2010-04-01 | 2011-10-27 | Hitachi Kokusai Electric Inc | デジタル無線通信システム |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09130300A (ja) * | 1995-08-28 | 1997-05-16 | Sanyo Electric Co Ltd | 多値周波数シフトキーイング復調器 |
JP2002232384A (ja) * | 2001-01-30 | 2002-08-16 | Victor Co Of Japan Ltd | 直交周波数分割多重信号の送信方法、及び直交周波数分割多重信号送信装置 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19733825A1 (de) * | 1997-08-05 | 1999-02-11 | Siemens Ag | Verfahren und Anordnung zur kombinierten Messung des Anfangs eines Datenblocks und des Trägerfrequenzversatzes in einem Mehrträgerübertragungssystem für unregelmäßige Übertragung von Datenblöcken |
US7418043B2 (en) * | 2000-07-19 | 2008-08-26 | Lot 41 Acquisition Foundation, Llc | Software adaptable high performance multicarrier transmission protocol |
US6862440B2 (en) * | 2002-05-29 | 2005-03-01 | Intel Corporation | Method and system for multiple channel wireless transmitter and receiver phase and amplitude calibration |
-
2003
- 2003-07-22 US US10/624,771 patent/US7154956B2/en not_active Expired - Fee Related
-
2004
- 2004-07-20 JP JP2004211675A patent/JP4515843B2/ja not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09130300A (ja) * | 1995-08-28 | 1997-05-16 | Sanyo Electric Co Ltd | 多値周波数シフトキーイング復調器 |
JP2002232384A (ja) * | 2001-01-30 | 2002-08-16 | Victor Co Of Japan Ltd | 直交周波数分割多重信号の送信方法、及び直交周波数分割多重信号送信装置 |
Also Published As
Publication number | Publication date |
---|---|
JP2005045801A (ja) | 2005-02-17 |
US7154956B2 (en) | 2006-12-26 |
US20050018791A1 (en) | 2005-01-27 |
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