WO1993004546A1 - Radio information and communication system using multicarrier spread-spectrum transmission system - Google Patents
Radio information and communication system using multicarrier spread-spectrum transmission system Download PDFInfo
- Publication number
- WO1993004546A1 WO1993004546A1 PCT/JP1992/001062 JP9201062W WO9304546A1 WO 1993004546 A1 WO1993004546 A1 WO 1993004546A1 JP 9201062 W JP9201062 W JP 9201062W WO 9304546 A1 WO9304546 A1 WO 9304546A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- modulated
- radio information
- spectrum transmission
- communication system
- transmission system
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/08—Access point devices
-
- 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
-
- 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
- H04B1/713—Spread spectrum techniques using frequency hopping
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/2801—Broadband local area networks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
- H04L27/103—Chirp modulation
-
- 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
-
- 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
-
- 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
- H04L5/02—Channels characterised by the type of signal
- H04L5/023—Multiplexing of multicarrier modulation signals
- H04L5/026—Multiplexing of multicarrier modulation signals using code division
-
- 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
- H04B1/713—Spread spectrum techniques using frequency hopping
- H04B1/7156—Arrangements for sequence synchronisation
-
- 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
- H04B2001/6912—Spread spectrum techniques using chirp
-
- 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
- H04L27/2603—Signal structure ensuring backward compatibility with legacy system
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Mobile Radio Communication Systems (AREA)
- Small-Scale Networks (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP92918033A EP0667695B1 (en) | 1991-08-23 | 1992-08-24 | Radio information and communication system using multicarrier spread-spectrum transmission system |
US08/193,088 US5561686A (en) | 1991-08-23 | 1992-08-24 | Radio information communication system using multi-carrier spread spectrum transmission system |
DE69230768T DE69230768T2 (de) | 1991-08-23 | 1992-08-24 | Funkinformations- und kommunikationssystem mit einem mehrträger-spreizspektrum-übertragungssystem |
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP21188691A JP3157199B2 (ja) | 1991-08-23 | 1991-08-23 | 無線情報通信方式 |
JP21188791A JP3157200B2 (ja) | 1991-08-23 | 1991-08-23 | 無線情報通信端末 |
JP3/211886 | 1991-08-23 | ||
JP3/211887 | 1991-08-23 | ||
JP3/292588 | 1991-11-08 | ||
JP3292588A JPH05130081A (ja) | 1991-11-08 | 1991-11-08 | 通信システム及び通信システムにおける誤り訂正方式 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1993004546A1 true WO1993004546A1 (en) | 1993-03-04 |
Family
ID=27329294
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1992/001062 WO1993004546A1 (en) | 1991-08-23 | 1992-08-24 | Radio information and communication system using multicarrier spread-spectrum transmission system |
Country Status (5)
Country | Link |
---|---|
US (1) | US5561686A (ja) |
EP (4) | EP0944179A3 (ja) |
CA (1) | CA2116219C (ja) |
DE (1) | DE69230768T2 (ja) |
WO (1) | WO1993004546A1 (ja) |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0744846A1 (fr) * | 1995-05-23 | 1996-11-27 | Thomson-Csf | Procédé pour gérer des ressources radio lors de la transmission de paquets et émetteur et récepteur mettant en oeuvre ce procédé |
EP0748540A1 (en) * | 1994-03-03 | 1996-12-18 | Proxim, Inc. | Frequency hopping medium access control protocol |
FR2737366A1 (fr) * | 1995-07-28 | 1997-01-31 | Thomson Csf | Procede de transmission de donnees par paquets sur frequence porteuse lineairement variable et emetteur et recepteur mettant en oeuvre ce procede |
US5648215A (en) * | 1992-05-13 | 1997-07-15 | Board Of Regents, The University Of Texas System | Telomerase diagnostic methods |
US5686306A (en) * | 1992-05-13 | 1997-11-11 | Board Of Regents, The University Of Texas System | Methods and reagents for lengthening telomeres |
US5804380A (en) * | 1993-11-12 | 1998-09-08 | Geron Corporation | Telomerase activity assays |
US5837453A (en) * | 1992-05-13 | 1998-11-17 | Geron Corporation | Telomerase activity assays |
US5863726A (en) * | 1993-11-12 | 1999-01-26 | Geron Corporation | Telomerase activity assays |
US5989807A (en) * | 1992-05-13 | 1999-11-23 | Geron Corporation & Board Of Regents | Detecting cancerous conditions by assaying for telomerase activity |
USRE43128E1 (en) | 1995-07-28 | 2012-01-24 | Remote Access, Llc | Method for transmitting data packets on carrier frequency with linear variation and transmitter implementing this method |
Families Citing this family (37)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19629484A1 (de) * | 1996-07-12 | 1998-01-15 | Arnold & Richter Kg | Vorrichtung zur Steuerung, Regelung und Kontrolle einer Laufbildkamera |
DE19646747C1 (de) * | 1996-11-01 | 1998-08-13 | Nanotron Ges Fuer Mikrotechnik | Verfahren zur drahtlosen Übertragung einer einem Signal aufgeprägten Nachricht |
DE19647833B4 (de) * | 1996-11-19 | 2005-07-07 | Deutsches Zentrum für Luft- und Raumfahrt e.V. | Verfahren zur gleichzeitigen Funkübertragung digitaler Daten zwischen mehreren Teilnehmerstationen und einer Basisstation |
US6289037B1 (en) * | 1997-02-24 | 2001-09-11 | At&T Wireless Services Inc. | Out of channel cyclic redundancy code method for a discrete multitone spread spectrum communications system |
JP3712812B2 (ja) * | 1997-03-05 | 2005-11-02 | 富士通株式会社 | 移動通信システムにおけるサイトダイバシティ受信方法、サイトダイバシティ受信方式を採用する移動通信システムにおける基地局上位装置 |
FR2761557B1 (fr) | 1997-03-28 | 1999-04-30 | Alsthom Cge Alcatel | Procede de transmission sur une pluralite de supports de transmission, a repartition dynamique des donnees, et emetteur et terminal correspondants |
FR2765058B1 (fr) * | 1997-06-24 | 2000-09-01 | Thomson Csf | Procede et dispositif de correction frequentielle en modulation a frequence porteuse variable et plusieurs sous-porteuses |
US6408019B1 (en) | 1997-12-29 | 2002-06-18 | Georgia Tech Research Corporation | System and method for communication using noise |
US6643281B1 (en) | 1998-03-05 | 2003-11-04 | At&T Wireless Services, Inc. | Synchronization preamble method for OFDM waveforms in a communications system |
JPH11261526A (ja) * | 1998-03-10 | 1999-09-24 | Matsushita Electric Ind Co Ltd | 送受信装置及びその方法 |
US6741643B1 (en) * | 1998-04-15 | 2004-05-25 | Telecommunications Research Laboratories | Asymmetric equalization system for data transmission |
US6128330A (en) | 1998-11-24 | 2000-10-03 | Linex Technology, Inc. | Efficient shadow reduction antenna system for spread spectrum |
US6675327B1 (en) * | 1998-12-14 | 2004-01-06 | Agere Systems Inc. | Communications system including lower rate parallel electronics with skew compensation and associated methods |
US7035400B1 (en) | 1999-03-01 | 2006-04-25 | Wm. Marsh Rice University | Signaling Techniques in channels with asymmetric powers and capacities |
US6442173B1 (en) * | 1999-04-07 | 2002-08-27 | Legerity | Timing recovery scheme for a discrete multitone transmission system |
US7095708B1 (en) | 1999-06-23 | 2006-08-22 | Cingular Wireless Ii, Llc | Methods and apparatus for use in communicating voice and high speed data in a wireless communication system |
US6850553B1 (en) * | 2000-03-17 | 2005-02-01 | Harris Corporation | Chirp slope multiple access |
US7031249B2 (en) | 2000-10-27 | 2006-04-18 | Sharp Laboratories Of America, Inc. | Outer code for CSMA systems using an OFDM physical layer in contention-free mode |
US6724429B2 (en) | 2001-04-23 | 2004-04-20 | Panavision, Inc. | System for sensing and displaying lens data for high performance film and video cameras and lenses |
CA2347927A1 (en) * | 2001-05-16 | 2002-11-16 | Telecommunications Research Laboratories | Centralized synchronization for wireless networks |
US6819867B2 (en) | 2001-05-30 | 2004-11-16 | Panavision, Inc. | Hand-held remote control and display system for film and video cameras and lenses |
US7164649B2 (en) * | 2001-11-02 | 2007-01-16 | Qualcomm, Incorporated | Adaptive rate control for OFDM communication system |
GB2389262B (en) * | 2002-06-01 | 2005-11-30 | Marconi Corp Plc | An optical communications system |
WO2004016019A1 (en) * | 2002-08-10 | 2004-02-19 | Koninklijke Philips Electronics N.V. | Method of increasing the data transmission rate in a mobile radio system |
EP1480390A1 (en) * | 2003-05-23 | 2004-11-24 | Thomson Licensing S.A. | Improved device and process for collision detection in a local area network |
US7574142B2 (en) | 2003-06-04 | 2009-08-11 | Ericsson Ab | Communications system |
FR2859556B1 (fr) * | 2003-09-05 | 2005-11-11 | Airbus France | Procede et dispositif de maintenance d'un equipement de radionavigation d'un aeronef |
JP4846384B2 (ja) * | 2006-02-20 | 2011-12-28 | 株式会社東芝 | 半導体記憶装置 |
JP2007305267A (ja) * | 2006-05-15 | 2007-11-22 | Toshiba Corp | 半導体記憶装置 |
SE530753C2 (sv) * | 2007-02-20 | 2008-09-02 | Hexaformer Ab | Reaktor samt förfarande för tillverkning av en sådan |
JP4375469B2 (ja) * | 2007-09-28 | 2009-12-02 | 双葉電子工業株式会社 | ラジオコントロール模型機器、ラジオコントロール模型機器のコントロール装置、周波数ホッピングパターン選択方法 |
WO2011024260A1 (ja) | 2009-08-25 | 2011-03-03 | 富士通株式会社 | 送信機、符号化装置、受信機、及び、復号化装置 |
KR101683174B1 (ko) * | 2010-01-08 | 2016-12-06 | 삼성전자주식회사 | 오디오 신호 증폭 방법 및 그 장치 |
US8976060B2 (en) * | 2011-05-23 | 2015-03-10 | Digi International Inc. | RF chirp signal propagation delay measurement |
US9923621B2 (en) | 2013-02-16 | 2018-03-20 | Cable Television Laboratories, Inc. | Multiple-input multiple-output (MIMO) communication system |
US9065523B2 (en) | 2013-02-16 | 2015-06-23 | Cable Television Laboratories, Inc. | Multiple-input multiple-output (MIMO) communication system |
US9088313B2 (en) * | 2013-02-16 | 2015-07-21 | Cable Television Laboratories, Inc. | Multiple-input multiple-output (MIMO) communication system |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5860848A (ja) * | 1981-09-15 | 1983-04-11 | ジ−メンス・アクチエンゲゼルシヤフト | デジタル信号伝送方法 |
JPS58161438A (ja) * | 1982-01-27 | 1983-09-26 | ザ・マ−コニ・カンパニ−・リミテツド | 周波数ホツピング無線通信システム |
JPS58178643A (ja) * | 1982-04-13 | 1983-10-19 | Matsushita Electric Ind Co Ltd | 誤り検出訂正装置 |
JPS59103442A (ja) * | 1982-12-06 | 1984-06-14 | Fujitsu Ltd | 無線通信制御方式 |
JPS59202753A (ja) * | 1983-05-02 | 1984-11-16 | Toshiba Corp | デ−タ通信システム |
JPS611131A (ja) * | 1984-06-14 | 1986-01-07 | Kokusai Electric Co Ltd | デ−タ通信方法 |
JPS62196944A (ja) * | 1986-02-25 | 1987-08-31 | Matsushita Electric Works Ltd | ワイヤレスデ−タ伝送システム |
JPH0338133A (ja) * | 1989-06-29 | 1991-02-19 | Symbol Technol Inc | バーコード読み取り装置 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3916313A (en) * | 1974-11-25 | 1975-10-28 | Us Navy | PSK-FSK spread spectrum modulation/demodulation |
US4355399A (en) * | 1981-02-23 | 1982-10-19 | Bell Telephone Laboratories, Incorporated | Adaptive spread spectrum FH-MFSK transmitter and receiver |
EP0085753A1 (de) * | 1982-02-05 | 1983-08-17 | LGZ LANDIS & GYR ZUG AG | System zur Übertragung digitaler Signalimpulse über Leitungen eines Wechselstrom-Verteilungsnetzes |
JPS58197381A (ja) * | 1982-05-10 | 1983-11-17 | 株式会社クラレ | 低滑り特性を有する皮革様シ−ト物 |
FR2527871B1 (fr) * | 1982-05-27 | 1986-04-11 | Thomson Csf | Systeme de radiocommunications, a sauts de frequence |
DE3230726A1 (de) * | 1982-08-18 | 1984-02-23 | Siemens AG, 1000 Berlin und 8000 München | Verfahren zur stoerresistenten funkuebertragung auf kurzwelle |
US4615040A (en) * | 1984-06-14 | 1986-09-30 | Coenco Ltd. | High speed data communications system |
JPS6162263A (ja) * | 1984-09-04 | 1986-03-31 | Toshiba Corp | 情報伝送方式 |
JPS6341259A (ja) * | 1986-08-04 | 1988-02-22 | Tokai Rika Co Ltd | 自動車用アウタ−ミラ− |
US4885743A (en) * | 1988-02-18 | 1989-12-05 | Codenoll Technology Corporation | Method and apparatus for detecting the collision of data packets |
US5073940A (en) * | 1989-11-24 | 1991-12-17 | General Electric Company | Method for protecting multi-pulse coders from fading and random pattern bit errors |
IL96392A0 (en) * | 1989-11-29 | 1991-08-16 | Motorola Inc | Wireless in-building telecommunications system for voice and data communications |
US5040175A (en) * | 1990-04-11 | 1991-08-13 | Ncr Corporation | Wireless information transmission system |
-
1992
- 1992-08-24 EP EP99112274A patent/EP0944179A3/en not_active Withdrawn
- 1992-08-24 EP EP99112284A patent/EP0944181A3/en not_active Withdrawn
- 1992-08-24 WO PCT/JP1992/001062 patent/WO1993004546A1/ja active IP Right Grant
- 1992-08-24 EP EP99112275A patent/EP0944180A3/en not_active Withdrawn
- 1992-08-24 EP EP92918033A patent/EP0667695B1/en not_active Expired - Lifetime
- 1992-08-24 CA CA002116219A patent/CA2116219C/en not_active Expired - Fee Related
- 1992-08-24 US US08/193,088 patent/US5561686A/en not_active Expired - Fee Related
- 1992-08-24 DE DE69230768T patent/DE69230768T2/de not_active Expired - Fee Related
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5860848A (ja) * | 1981-09-15 | 1983-04-11 | ジ−メンス・アクチエンゲゼルシヤフト | デジタル信号伝送方法 |
JPS58161438A (ja) * | 1982-01-27 | 1983-09-26 | ザ・マ−コニ・カンパニ−・リミテツド | 周波数ホツピング無線通信システム |
JPS58178643A (ja) * | 1982-04-13 | 1983-10-19 | Matsushita Electric Ind Co Ltd | 誤り検出訂正装置 |
JPS59103442A (ja) * | 1982-12-06 | 1984-06-14 | Fujitsu Ltd | 無線通信制御方式 |
JPS59202753A (ja) * | 1983-05-02 | 1984-11-16 | Toshiba Corp | デ−タ通信システム |
JPS611131A (ja) * | 1984-06-14 | 1986-01-07 | Kokusai Electric Co Ltd | デ−タ通信方法 |
JPS62196944A (ja) * | 1986-02-25 | 1987-08-31 | Matsushita Electric Works Ltd | ワイヤレスデ−タ伝送システム |
JPH0338133A (ja) * | 1989-06-29 | 1991-02-19 | Symbol Technol Inc | バーコード読み取り装置 |
Non-Patent Citations (2)
Title |
---|
R.C. DIXON, "Spread Spectrum Systems" (1976), John Wiley & Sons, Inc. (USA), p. 40-43. * |
See also references of EP0667695A4 * |
Cited By (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5837453A (en) * | 1992-05-13 | 1998-11-17 | Geron Corporation | Telomerase activity assays |
US5686306A (en) * | 1992-05-13 | 1997-11-11 | Board Of Regents, The University Of Texas System | Methods and reagents for lengthening telomeres |
US6391554B1 (en) | 1992-05-13 | 2002-05-21 | Geron Corporation And Board Of Regents | Detecting cancerous conditions by assaying for telomerase activity |
US5989807A (en) * | 1992-05-13 | 1999-11-23 | Geron Corporation & Board Of Regents | Detecting cancerous conditions by assaying for telomerase activity |
US5648215A (en) * | 1992-05-13 | 1997-07-15 | Board Of Regents, The University Of Texas System | Telomerase diagnostic methods |
US5863726A (en) * | 1993-11-12 | 1999-01-26 | Geron Corporation | Telomerase activity assays |
US5804380A (en) * | 1993-11-12 | 1998-09-08 | Geron Corporation | Telomerase activity assays |
US5891639A (en) * | 1993-11-12 | 1999-04-06 | Geron Corporation | Telomerase activity assays |
EP0748540A4 (en) * | 1994-03-03 | 1997-10-29 | Proxim Inc | PROTOCOL FOR MEDIUM ACCESS CONTROL IN THE FREQUENCY JUMP PROCESS |
EP0748540A1 (en) * | 1994-03-03 | 1996-12-18 | Proxim, Inc. | Frequency hopping medium access control protocol |
US6466608B1 (en) | 1994-03-03 | 2002-10-15 | Proxim, Inc. | Frequency hopping medium access control protocol for a communication system having distributed synchronization |
FR2734683A1 (fr) * | 1995-05-23 | 1996-11-29 | Thomson Csf | Procede pour gerer des ressources radio lors de la transmission de paquets et emetteur et recepteur mettant en oeuvre ce procede |
EP0744846A1 (fr) * | 1995-05-23 | 1996-11-27 | Thomson-Csf | Procédé pour gérer des ressources radio lors de la transmission de paquets et émetteur et récepteur mettant en oeuvre ce procédé |
US5850390A (en) * | 1995-05-23 | 1998-12-15 | Thomson-Csf | Method for managing radio resources which transmits user data/information field within a time/frequency parallelogram separated from the header channel by a plurality of frequencies |
FR2737366A1 (fr) * | 1995-07-28 | 1997-01-31 | Thomson Csf | Procede de transmission de donnees par paquets sur frequence porteuse lineairement variable et emetteur et recepteur mettant en oeuvre ce procede |
USRE43128E1 (en) | 1995-07-28 | 2012-01-24 | Remote Access, Llc | Method for transmitting data packets on carrier frequency with linear variation and transmitter implementing this method |
Also Published As
Publication number | Publication date |
---|---|
EP0944181A2 (en) | 1999-09-22 |
DE69230768T2 (de) | 2000-09-28 |
EP0944179A2 (en) | 1999-09-22 |
EP0667695B1 (en) | 2000-03-08 |
EP0944179A3 (en) | 2000-06-28 |
EP0944181A3 (en) | 2000-06-28 |
CA2116219A1 (en) | 1993-03-04 |
EP0944180A2 (en) | 1999-09-22 |
EP0944180A3 (en) | 2000-06-28 |
EP0667695A4 (en) | 1995-05-29 |
DE69230768D1 (de) | 2000-04-13 |
US5561686A (en) | 1996-10-01 |
CA2116219C (en) | 1998-10-13 |
EP0667695A1 (en) | 1995-08-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO1993004546A1 (en) | Radio information and communication system using multicarrier spread-spectrum transmission system | |
WO1995026040A3 (en) | Method for realizing frequency hopping and a base station equipment | |
MY114196A (en) | Communication system | |
NO990767D0 (no) | Multi-bµrer transmisjonssystem, og fremgangsmÕte, mottaker og transceiver for samme | |
EP0360589A3 (en) | Cellular data communications system | |
EP0365350A3 (en) | Transmission of data via power lines | |
EP0668673A4 (en) | MULTIPLEXED TRANSCEIVER BY CODE DISTRIBUTION. | |
WO2002039598A3 (en) | Transmission security for wireless communications | |
DE69019561T2 (de) | Frequenzsynchronisation von Funkgeräten eines Funknetzes. | |
NO990773L (no) | Multibµrer transmisjonssystem, og fremgangsmÕte for transmisjon av kanalinformasjon | |
EP1077537A3 (en) | Method of providing downlink transmit diversity | |
SE9802651D0 (sv) | Multipelaccesskommunikationssystem med ortogonal kodhoppning | |
US5442660A (en) | Frequency hopping sequence using galois field | |
EP0940929A3 (en) | Radio and communication method using a transmitted intermediate frequency | |
WO1998058471A3 (en) | Method and apparatus for implementing a transmission connection | |
CA1265200C (en) | COMMUNICATION SYSTEM | |
EP0838917A3 (en) | Code and frequency division multiple access communications system | |
KR930018876A (ko) | 제어 스테이션과 트랜스폰더간의 전송 경화 방법 및 이를 실행하는 장치 | |
PT656702E (pt) | Processo e circuito para a insercao de dados num sinal de transmissao de ondas continuas | |
WO1998010540A3 (en) | Data transmission method, and radio system | |
CN113055048A (zh) | 一种基于线性调频信号的扩频通信调制方法 | |
EP0359183A3 (en) | System and method of transmitting a complex waveform over a communication channel utilizing lincompex techniques | |
ES2143203T3 (es) | Procedimiento para controlar el acceso de una estacion de datos a soportes de datos moviles. | |
WO1995024773A3 (en) | A data transmission method, transmitter, and receiver | |
KR101106298B1 (ko) | Lsk 변조방식을 이용한 통신시스템 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): CA US |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): DE FR GB |
|
DFPE | Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101) | ||
WWE | Wipo information: entry into national phase |
Ref document number: 2116219 Country of ref document: CA |
|
WWE | Wipo information: entry into national phase |
Ref document number: 08193088 Country of ref document: US |
|
WWE | Wipo information: entry into national phase |
Ref document number: 1992918033 Country of ref document: EP |
|
WWP | Wipo information: published in national office |
Ref document number: 1992918033 Country of ref document: EP |
|
WWG | Wipo information: grant in national office |
Ref document number: 1992918033 Country of ref document: EP |