JPS5654105B2 - - Google Patents
Info
- Publication number
- JPS5654105B2 JPS5654105B2 JP10755276A JP10755276A JPS5654105B2 JP S5654105 B2 JPS5654105 B2 JP S5654105B2 JP 10755276 A JP10755276 A JP 10755276A JP 10755276 A JP10755276 A JP 10755276A JP S5654105 B2 JPS5654105 B2 JP S5654105B2
- Authority
- JP
- Japan
- 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
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/155—Ground-based stations
- H04B7/15528—Control of operation parameters of a relay station to exploit the physical medium
- H04B7/15542—Selecting at relay station its transmit and receive resources
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/155—Ground-based stations
- H04B7/15564—Relay station antennae loop interference reduction
- H04B7/15585—Relay station antennae loop interference reduction by interference cancellation
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Radio Relay Systems (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10755276A JPS5332608A (en) | 1976-09-07 | 1976-09-07 | Compensation system for angular frequency variation |
| US05/830,627 US4146838A (en) | 1976-09-07 | 1977-09-06 | System for detecting by a first pilot and a group of second pilots correlated to the first a frequency and/or phase difference between relayed carriers |
| GB37350/77A GB1591379A (en) | 1976-09-07 | 1977-09-07 | Radio communication link system and transmitter and receiver therefor |
| IT27368/77A IT1086516B (it) | 1976-09-07 | 1977-09-07 | Apparecchiatura per la rivelazione di differenza di frequenza e/o fase fra portanti |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10755276A JPS5332608A (en) | 1976-09-07 | 1976-09-07 | Compensation system for angular frequency variation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5332608A JPS5332608A (en) | 1978-03-28 |
| JPS5654105B2 true JPS5654105B2 (ja) | 1981-12-23 |
Family
ID=14462065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10755276A Granted JPS5332608A (en) | 1976-09-07 | 1976-09-07 | Compensation system for angular frequency variation |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4146838A (ja) |
| JP (1) | JPS5332608A (ja) |
| GB (1) | GB1591379A (ja) |
| IT (1) | IT1086516B (ja) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4292685A (en) * | 1978-05-31 | 1981-09-29 | Lee Lin Shan | Apparatus and method for controlling crosspolarization of signals in a frequency reuse system |
| GB2036509B (en) * | 1978-10-27 | 1983-01-26 | Kokusai Denshin Denwa Co Ltd | Automatic phase and amplitude equalisation of fm signals |
| US4494238A (en) * | 1982-06-30 | 1985-01-15 | Motorola, Inc. | Multiple channel data link system |
| JPH0728258Y2 (ja) * | 1986-11-04 | 1995-06-28 | 石川島建材工業株式会社 | 間仕切壁の構造 |
| JPH0235150A (ja) * | 1988-07-26 | 1990-02-05 | Inoue Nobuo | 建築パネルの製造方法 |
| US5414734A (en) * | 1993-01-06 | 1995-05-09 | Glenayre Electronics, Inc. | Compensation for multi-path interference using pilot symbols |
| JP3335887B2 (ja) * | 1997-08-20 | 2002-10-21 | 松下電器産業株式会社 | スペクトル拡散復調装置及びスペクトル拡散復調方法 |
| US6011952A (en) * | 1998-01-20 | 2000-01-04 | Viasat, Inc. | Self-interference cancellation for relayed communication networks |
| KR100379453B1 (ko) * | 1999-08-03 | 2003-04-10 | 엘지전자 주식회사 | 프레임 동기를 위한 파일럿 시퀀스 생성 방법 |
| US20020127992A1 (en) * | 2001-03-08 | 2002-09-12 | Fransis Bert L. | Wideband local oscillator architecture |
| US6859641B2 (en) * | 2001-06-21 | 2005-02-22 | Applied Signal Technology, Inc. | Adaptive canceller for frequency reuse systems |
| US6907093B2 (en) * | 2001-08-08 | 2005-06-14 | Viasat, Inc. | Method and apparatus for relayed communication using band-pass signals for self-interference cancellation |
| US6725017B2 (en) | 2001-12-05 | 2004-04-20 | Viasat, Inc. | Multi-channel self-interference cancellation method and apparatus for relayed communication |
| KR20050015913A (ko) * | 2003-08-14 | 2005-02-21 | 삼성전자주식회사 | 직교 주파수 분할 다중 방식 통신 시스템에서 파일럿송수신 장치 및 방법 |
| US7242722B2 (en) * | 2003-10-17 | 2007-07-10 | Motorola, Inc. | Method and apparatus for transmission and reception within an OFDM communication system |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3735266A (en) * | 1971-12-20 | 1973-05-22 | Bell Telephone Labor Inc | Method and apparatus for reducing crosstalk on cross-polarized communication links |
| IT1020414B (it) * | 1974-09-03 | 1977-12-20 | Telespazio Spa | Dispositivo per la correzione au tomatica degli effetti di depola rizzazione di onde elettromagneti che nei collegamenti a radiofre quenza utilizzanti una doppia po larizzazione |
| JPS51115717A (en) * | 1975-03-03 | 1976-10-12 | Nec Corp | Cross polarized wave compensating method |
-
1976
- 1976-09-07 JP JP10755276A patent/JPS5332608A/ja active Granted
-
1977
- 1977-09-06 US US05/830,627 patent/US4146838A/en not_active Expired - Lifetime
- 1977-09-07 IT IT27368/77A patent/IT1086516B/it active
- 1977-09-07 GB GB37350/77A patent/GB1591379A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1591379A (en) | 1981-06-24 |
| JPS5332608A (en) | 1978-03-28 |
| IT1086516B (it) | 1985-05-28 |
| US4146838A (en) | 1979-03-27 |