DE69821751D1 - Verfahren und Gerät zur Funkübertragung - Google Patents
Verfahren und Gerät zur FunkübertragungInfo
- Publication number
- DE69821751D1 DE69821751D1 DE69821751T DE69821751T DE69821751D1 DE 69821751 D1 DE69821751 D1 DE 69821751D1 DE 69821751 T DE69821751 T DE 69821751T DE 69821751 T DE69821751 T DE 69821751T DE 69821751 D1 DE69821751 D1 DE 69821751D1
- Authority
- DE
- Germany
- Prior art keywords
- radio transmission
- radio
- transmission
- 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
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
- H03D7/16—Multiple-frequency-changing
- H03D7/165—Multiple-frequency-changing at least two frequency changers being located in different paths, e.g. in two paths with carriers in quadrature
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C3/00—Angle modulation
- H03C3/38—Angle modulation by converting amplitude modulation to angle modulation
- H03C3/40—Angle modulation by converting amplitude modulation to angle modulation using two signal paths the outputs of which have a predetermined phase difference and at least one output being amplitude-modulated
-
- 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
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
- H04B1/403—Circuits using the same oscillator for generating both the transmitter frequency and the receiver local oscillator frequency
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/06—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Transceivers (AREA)
- Superheterodyne Receivers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP98401954A EP0977351B1 (de) | 1998-07-30 | 1998-07-30 | Verfahren und Gerät zur Funkübertragung |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69821751D1 true DE69821751D1 (de) | 2004-03-25 |
DE69821751T2 DE69821751T2 (de) | 2004-11-25 |
Family
ID=8235458
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69821751T Expired - Fee Related DE69821751T2 (de) | 1998-07-30 | 1998-07-30 | Verfahren und Gerät zur Funkübertragung |
Country Status (5)
Country | Link |
---|---|
US (1) | US6782038B1 (de) |
EP (1) | EP0977351B1 (de) |
JP (1) | JP2000106533A (de) |
CN (1) | CN1145388C (de) |
DE (1) | DE69821751T2 (de) |
Families Citing this family (38)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6694128B1 (en) | 1998-08-18 | 2004-02-17 | Parkervision, Inc. | Frequency synthesizer using universal frequency translation technology |
US7515896B1 (en) | 1998-10-21 | 2009-04-07 | Parkervision, Inc. | Method and system for down-converting an electromagnetic signal, and transforms for same, and aperture relationships |
US6061551A (en) | 1998-10-21 | 2000-05-09 | Parkervision, Inc. | Method and system for down-converting electromagnetic signals |
US7039372B1 (en) | 1998-10-21 | 2006-05-02 | Parkervision, Inc. | Method and system for frequency up-conversion with modulation embodiments |
US6813485B2 (en) | 1998-10-21 | 2004-11-02 | Parkervision, Inc. | Method and system for down-converting and up-converting an electromagnetic signal, and transforms for same |
US7236754B2 (en) | 1999-08-23 | 2007-06-26 | Parkervision, Inc. | Method and system for frequency up-conversion |
US6370371B1 (en) | 1998-10-21 | 2002-04-09 | Parkervision, Inc. | Applications of universal frequency translation |
US6704558B1 (en) | 1999-01-22 | 2004-03-09 | Parkervision, Inc. | Image-reject down-converter and embodiments thereof, such as the family radio service |
US6853690B1 (en) | 1999-04-16 | 2005-02-08 | Parkervision, Inc. | Method, system and apparatus for balanced frequency up-conversion of a baseband signal and 4-phase receiver and transceiver embodiments |
US6879817B1 (en) | 1999-04-16 | 2005-04-12 | Parkervision, Inc. | DC offset, re-radiation, and I/Q solutions using universal frequency translation technology |
US7065162B1 (en) | 1999-04-16 | 2006-06-20 | Parkervision, Inc. | Method and system for down-converting an electromagnetic signal, and transforms for same |
US7110444B1 (en) | 1999-08-04 | 2006-09-19 | Parkervision, Inc. | Wireless local area network (WLAN) using universal frequency translation technology including multi-phase embodiments and circuit implementations |
US7693230B2 (en) | 1999-04-16 | 2010-04-06 | Parkervision, Inc. | Apparatus and method of differential IQ frequency up-conversion |
US8295406B1 (en) | 1999-08-04 | 2012-10-23 | Parkervision, Inc. | Universal platform module for a plurality of communication protocols |
CA2281236C (en) | 1999-09-01 | 2010-02-09 | Tajinder Manku | Direct conversion rf schemes using a virtually generated local oscillator |
US6625424B1 (en) * | 2000-03-21 | 2003-09-23 | Koninklijke Philips Electronics N.V. | Autocalibration of a transceiver through nulling of a DC-voltage in a receiver and injecting of DC-signals in a transmitter |
EP1605610B1 (de) | 2000-04-07 | 2014-03-26 | InterDigital Technology Corporation | Verfahren zur Synchronisierung einer Basisstation für drahtlose Kommunikationssysteme |
US7010286B2 (en) | 2000-04-14 | 2006-03-07 | Parkervision, Inc. | Apparatus, system, and method for down-converting and up-converting electromagnetic signals |
EP1148654A1 (de) | 2000-04-18 | 2001-10-24 | Infineon Technologies AG | Sende- und Empfangseinheit |
AU2002210032A1 (en) * | 2000-05-16 | 2001-11-26 | Parkervision, Inc. | Apparatus, system, and method for down-converting and up-converting electromagnetic signals |
DE60140261D1 (de) * | 2000-09-01 | 2009-12-03 | Icera Canada ULC | Verbesserte verfahren und vorrichtung zur auf- und abwärtsumsetzung von hochfrequenzsignalen (rf) |
US7454453B2 (en) | 2000-11-14 | 2008-11-18 | Parkervision, Inc. | Methods, systems, and computer program products for parallel correlation and applications thereof |
EP1217779A1 (de) * | 2000-12-22 | 2002-06-26 | Telefonaktiebolaget L M Ericsson (Publ) | Verzögerungssteuerregelung in einem digitalen Funkübertragungssystem |
US6826244B2 (en) * | 2001-02-27 | 2004-11-30 | Interdigital Technology Corporation | Initial cell search algorithm for 3G FDD wireless communication systems |
DE10124372A1 (de) * | 2001-05-18 | 2002-11-21 | Rohde & Schwarz | Signalgenerator mit Frequenzversatzeinheit im Basisband |
US7215931B2 (en) | 2001-06-19 | 2007-05-08 | Sirific Wireless Corporation | Method and apparatus for up-and-down-conversion of radio frequency (RF) signals |
US7072427B2 (en) | 2001-11-09 | 2006-07-04 | Parkervision, Inc. | Method and apparatus for reducing DC offsets in a communication system |
EP1331742A3 (de) | 2002-01-22 | 2003-12-17 | Broadcom Corporation | Integrierte Schaltung für Hochfrequenz |
US7460584B2 (en) | 2002-07-18 | 2008-12-02 | Parkervision, Inc. | Networking methods and systems |
US7379883B2 (en) | 2002-07-18 | 2008-05-27 | Parkervision, Inc. | Networking methods and systems |
US8019362B2 (en) * | 2003-02-07 | 2011-09-13 | Sybase 365, Inc. | Universal short code administration facility |
US7542505B2 (en) * | 2003-10-20 | 2009-06-02 | Northrop Grumman Corporation | Systems and methods for signal conversion |
US20050265483A1 (en) * | 2004-05-25 | 2005-12-01 | Berkana Wireless, Inc. | Digital noise coupling reduction and variable intermediate frequency generation in mixed signal circuits |
US7187904B2 (en) * | 2004-06-03 | 2007-03-06 | Widefi, Inc. | Frequency translating repeater with low cost high performance local oscillator architecture |
KR102557997B1 (ko) * | 2017-12-05 | 2023-07-21 | 삼성전자주식회사 | 반송파 집적(Carrier Aggregation)을 이용하여 신호를 송수신하는 RFIC 및 이를 포함하는 무선 통신 장치 |
US10778355B1 (en) * | 2019-06-05 | 2020-09-15 | United States Of America As Represented By The Administrator Of Nasa | Frequency division multiplexing scheme for phasing synthetic aperture radars and receivers |
US11356136B2 (en) * | 2020-09-08 | 2022-06-07 | Shenzhen GOODIX Technology Co., Ltd. | Harmonic rejection in multiphase signals |
US11456760B1 (en) * | 2021-03-05 | 2022-09-27 | Motorola Solutions, Inc. | Linearizing narrowband carriers with low resolution predistorters |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4736390A (en) * | 1986-10-15 | 1988-04-05 | Itt Avionics, A Division Of Itt Corporation | Zero IF radio receiver apparatus |
DE3815055A1 (de) * | 1988-05-04 | 1989-11-16 | Standard Elektrik Lorenz Ag | Quadratur-empfaenger |
US5564097A (en) * | 1994-05-26 | 1996-10-08 | Rockwell International | Spread intermediate frequency radio receiver with adaptive spurious rejection |
US5559788A (en) * | 1994-12-29 | 1996-09-24 | Unisys Corporation | Multiple channel quadrature communication system and method |
US5878036A (en) * | 1995-12-20 | 1999-03-02 | Spartz; Michael K. | Wireless telecommunications system utilizing CDMA radio frequency signal modulation in conjunction with the GSM A-interface telecommunications network protocol |
US5764690A (en) * | 1996-06-04 | 1998-06-09 | Motorola, Inc. | Apparatus for despreading and demodulating a burst CDMA signal |
FR2756989B1 (fr) * | 1996-12-11 | 1999-02-12 | Dassault Electronique | Dispositif electronique de traitement de signaux a large bande, avec transposition |
JPH10190526A (ja) * | 1996-12-26 | 1998-07-21 | Sony Corp | 受信装置及び受信方法、並びに無線システムの端末装置 |
KR100255364B1 (ko) * | 1997-01-15 | 2000-05-01 | 윤종용 | 저주파신호 감쇄특성의 억제를 위한 무선수신기 및 그 억제방법 |
US5893044A (en) * | 1997-01-21 | 1999-04-06 | Motorola Inc. | Real time clock apparatus for fast acquisition or GPS signals |
US6335922B1 (en) * | 1997-02-11 | 2002-01-01 | Qualcomm Incorporated | Method and apparatus for forward link rate scheduling |
US6075807A (en) * | 1997-03-25 | 2000-06-13 | Intermec Ip Corp. | Windowed digital matched filter circuit for power reduction in battery-powered CDMA radios |
KR100251561B1 (ko) * | 1997-06-19 | 2000-04-15 | 윤종용 | 디지털통신시스템의송신기선형화장치및방법 |
-
1998
- 1998-07-30 EP EP98401954A patent/EP0977351B1/de not_active Expired - Lifetime
- 1998-07-30 DE DE69821751T patent/DE69821751T2/de not_active Expired - Fee Related
-
1999
- 1999-07-29 JP JP11214878A patent/JP2000106533A/ja active Pending
- 1999-07-30 US US09/364,289 patent/US6782038B1/en not_active Expired - Lifetime
- 1999-07-30 CN CNB991119045A patent/CN1145388C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0977351B1 (de) | 2004-02-18 |
CN1145388C (zh) | 2004-04-07 |
DE69821751T2 (de) | 2004-11-25 |
CN1250338A (zh) | 2000-04-12 |
US6782038B1 (en) | 2004-08-24 |
JP2000106533A (ja) | 2000-04-11 |
EP0977351A1 (de) | 2000-02-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE69821751D1 (de) | Verfahren und Gerät zur Funkübertragung | |
DE60036759D1 (de) | Verfahren und Gerät zur Funknachrichtenübertragung | |
DE69929788D1 (de) | Verfahren und vorrichtung zur diversitätsübertragung | |
DE69929575D1 (de) | Verfahren zur drahtlosen Kommunikationssteuerung und Vorrichtung zur drahtlosen Übertragung | |
DE69903110T2 (de) | Funkübertragungsgerät und verfahren zur kontrolle der übertragungsrate | |
DE69926974D1 (de) | Einrichtung und verfahren zur bereitstellung von auswahl-sende-diversity | |
ATE362239T1 (de) | Entfernte cdma-station und verfahren zur datenübertragung | |
DE60112759D1 (de) | Vorrichtungen und verfahren zur datenübertragung | |
DE69943390D1 (de) | Verfahren und gerät zur datenübertragung innerhalb | |
DE69518186T2 (de) | Vorrichtung und Verfahren für Funkübertragung | |
DE69913106D1 (de) | Verfahren und gerät zur roboterausrichtung | |
DE69909072D1 (de) | Verfahren und vorrichtung zur reduzierung von verlustleistung in funksendern | |
DE60006918D1 (de) | Vorrichtung und Verfahren zur mobilen Kommunikation | |
DE69723125T2 (de) | Gerät und Verfahren zur drahtlosen Kommunikation | |
DE69934403D1 (de) | Verfahren und vorrichtung zur digitalen kanalisierung und dekanalisierung | |
DE69529567T2 (de) | Einrichtung und verfahren zur kommunikation | |
DE60036742D1 (de) | Vorrichtung und Verfahren zur schnurrlosen digitalen Übertragung | |
DE69929101D1 (de) | Verfahren zur drahtlosen Übertragung | |
DE60030187D1 (de) | System und Verfahren zur Datagrammübertragung | |
DE69803454D1 (de) | Verfahren zur funkpeilung und zusammenwirkendes übertragungsgerät | |
DE69929661D1 (de) | System und Verfahren zur Gatekeeper-to-Gatekeeper Kommunikation | |
DE69934791D1 (de) | Verfahren und vorrichtung zur sendeleistungssteuerung | |
DE69925338D1 (de) | Verfahren und Einrichtung zur ASK-Modulation | |
DE60144417D1 (de) | Basisstationsvorrichtung und verfahren zur paketübertragung | |
DE69808302T2 (de) | System und verfahren zur hochgeschwindigkeitsübertragung und entsprechende übertragungsvorrichtung |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: FREESCALE SEMICONDUCTOR, INC., AUSTIN, TEX., US |
|
8339 | Ceased/non-payment of the annual fee |