DE69427718D1 - Funksender/Empfänger für Zeitduplex - Google Patents
Funksender/Empfänger für ZeitduplexInfo
- Publication number
- DE69427718D1 DE69427718D1 DE69427718T DE69427718T DE69427718D1 DE 69427718 D1 DE69427718 D1 DE 69427718D1 DE 69427718 T DE69427718 T DE 69427718T DE 69427718 T DE69427718 T DE 69427718T DE 69427718 D1 DE69427718 D1 DE 69427718D1
- Authority
- DE
- Germany
- Prior art keywords
- receiver
- radio transmitter
- time duplex
- duplex
- time
- 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
- 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
- H04B1/54—Circuits using the same frequency for two directions of communication
- H04B1/56—Circuits using the same frequency for two directions of communication with provision for simultaneous communication in two directions
-
- 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
- H04B1/06—Receivers
- H04B1/16—Circuits
- H04B1/30—Circuits for homodyne or synchrodyne receivers
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5073198A JPH06291697A (ja) | 1993-03-31 | 1993-03-31 | 送受信装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69427718D1 true DE69427718D1 (de) | 2001-08-23 |
DE69427718T2 DE69427718T2 (de) | 2001-11-15 |
Family
ID=13511214
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69427718T Expired - Fee Related DE69427718T2 (de) | 1993-03-31 | 1994-03-28 | Funksender/Empfänger für Zeitduplex |
Country Status (5)
Country | Link |
---|---|
US (1) | US5446770A (de) |
EP (1) | EP0618684B1 (de) |
JP (1) | JPH06291697A (de) |
CA (1) | CA2120057C (de) |
DE (1) | DE69427718T2 (de) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10107677A (ja) * | 1996-08-05 | 1998-04-24 | Sony Corp | 送受信装置 |
US6157262A (en) * | 1997-12-22 | 2000-12-05 | Honeywell International Inc. | Phase locked loop frequency source having reduced load pull |
US8498234B2 (en) * | 2002-06-21 | 2013-07-30 | Qualcomm Incorporated | Wireless local area network repeater |
EP1924008A1 (de) * | 2002-06-21 | 2008-05-21 | Qualcomm Incorporated | Verstärker für ein Funk-LAN |
DE10238711A1 (de) * | 2002-08-23 | 2004-03-04 | Valeo Schalter Und Sensoren Gmbh | Verfahren und Vorrichtung zum Erzeugen und diskontinuierlichen Senden einer Grundschwingung in einer vorbestimmten Trägerfrequenz |
US8885688B2 (en) | 2002-10-01 | 2014-11-11 | Qualcomm Incorporated | Control message management in physical layer repeater |
WO2004034600A1 (en) * | 2002-10-11 | 2004-04-22 | Widefi, Inc. | Reducing loop effects in a wireless local area network repeater |
JP4541891B2 (ja) | 2002-10-15 | 2010-09-08 | クゥアルコム・インコーポレイテッド | ネットワーク・カバレージを拡張するための自動利得制御を備えた無線ローカルエリア・ネットワークの中継器 |
US8078100B2 (en) | 2002-10-15 | 2011-12-13 | Qualcomm Incorporated | Physical layer repeater with discrete time filter for all-digital detection and delay generation |
US7230935B2 (en) * | 2002-10-24 | 2007-06-12 | Widefi, Inc. | Physical layer repeater with selective use of higher layer functions based on network operating conditions |
CN100457556C (zh) | 2002-11-01 | 2009-02-04 | 兰帕克公司 | 空隙填充系统 |
EP1568167A4 (de) | 2002-11-15 | 2010-06-16 | Qualcomm Inc | Drahtloser zwischenverstärker für lokale netzwerke mit detektion |
AU2003300938A1 (en) | 2002-12-16 | 2004-07-29 | Widefi, Inc. | Improved wireless network repeater |
EP1526669A4 (de) * | 2003-06-16 | 2012-03-21 | Panasonic Corp | Digitaler zeichenempfänger |
US8027642B2 (en) * | 2004-04-06 | 2011-09-27 | Qualcomm Incorporated | Transmission canceller for wireless local area network |
JP4960223B2 (ja) * | 2004-05-13 | 2012-06-27 | クゥアルコム・インコーポレイテッド | 検出およびメディア・アクセス制御を行う非周波数変換型リピータ |
KR20070026558A (ko) | 2004-06-03 | 2007-03-08 | 위데피, 인코포레이티드 | 저가의 고성능 국부 발진기 구조를 갖는 주파수 변환반복기 |
US8059727B2 (en) | 2005-01-28 | 2011-11-15 | Qualcomm Incorporated | Physical layer repeater configuration for increasing MIMO performance |
EP2002565A4 (de) * | 2006-03-31 | 2012-07-04 | Qualcomm Inc | Repeater mit verstärkter bitübertragungsschicht zur verwendung in wimax-systemen |
BRPI0717490A2 (pt) | 2006-09-21 | 2016-10-04 | Qualcomm Inc | método e aparelho para mitigar oscilação entre repetidoras |
US8774079B2 (en) | 2006-10-26 | 2014-07-08 | Qualcomm Incorporated | Repeater techniques for multiple input multiple output utilizing beam formers |
EP3018829B1 (de) * | 2013-07-03 | 2020-09-09 | Hytera Communications Corp., Ltd. | Endgerät und verfahren zur verbesserung der empfangsempfindlichkeit eines endgeräts |
JP2015043536A (ja) | 2013-08-26 | 2015-03-05 | 株式会社東芝 | 分数分周回路及び送信機 |
US9866263B1 (en) * | 2016-10-12 | 2018-01-09 | Straight Path Ventures, Llc | Apparatus and methods for signal sensing-based RF unit control |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4434505A (en) * | 1982-12-01 | 1984-02-28 | The United States Of America As Represented By The Secretary Of The Army | Interference cancelling system for a mobile subscriber access communications system |
US4520474A (en) * | 1983-12-05 | 1985-05-28 | Motorola, Inc. | Duplex communication transceiver with modulation cancellation |
US4754450A (en) * | 1986-03-25 | 1988-06-28 | Motorola, Inc. | TDM communication system for efficient spectrum utilization |
GB8806194D0 (en) * | 1988-03-16 | 1988-04-13 | Shaye Communications Ltd | Transceivers |
GB8829661D0 (en) * | 1988-12-20 | 1989-02-15 | Shaye Communications Ltd | Duplex communications systems |
JPH02195737A (ja) * | 1989-01-24 | 1990-08-02 | Fujitsu Ltd | 加入者無線システムの加入者局 |
JPH06103853B2 (ja) * | 1989-03-07 | 1994-12-14 | 日本電信電話株式会社 | 同一周波数時分割送受信移動通信方式 |
JP2924060B2 (ja) * | 1990-03-30 | 1999-07-26 | 日本電気株式会社 | デジタル移動通信システム |
US5187722A (en) * | 1990-08-13 | 1993-02-16 | At&T Bell Laboratories | Frequency synthesis using fractional frequency multiplication |
DE4036418A1 (de) * | 1990-11-15 | 1992-05-21 | Grundig Emv | Funkgeraet fuer ein fdm-tdm-funkuebertragungssystem |
JP2850160B2 (ja) * | 1991-01-25 | 1999-01-27 | 松下電器産業株式会社 | 時分割複信無線送受信装置 |
DE69225259T2 (de) * | 1991-02-22 | 1998-08-20 | Sony Corp | Zeitduplex-Sender-Empfänger |
JP3155295B2 (ja) * | 1991-06-20 | 2001-04-09 | 株式会社東芝 | 無線電話装置 |
US5276913A (en) * | 1991-11-25 | 1994-01-04 | Motorola, Inc. | Phase-locked-loop circuit for radio transceiver |
-
1993
- 1993-03-31 JP JP5073198A patent/JPH06291697A/ja active Pending
-
1994
- 1994-03-28 CA CA002120057A patent/CA2120057C/en not_active Expired - Fee Related
- 1994-03-28 US US08/218,664 patent/US5446770A/en not_active Expired - Fee Related
- 1994-03-28 EP EP94104898A patent/EP0618684B1/de not_active Expired - Lifetime
- 1994-03-28 DE DE69427718T patent/DE69427718T2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0618684A1 (de) | 1994-10-05 |
US5446770A (en) | 1995-08-29 |
CA2120057C (en) | 1998-12-22 |
DE69427718T2 (de) | 2001-11-15 |
CA2120057A1 (en) | 1994-10-01 |
JPH06291697A (ja) | 1994-10-18 |
EP0618684B1 (de) | 2001-07-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |