GB2322490A - Calibrating the gain of receiver units for a central terminal of a communications system using a reference signal - Google Patents
Calibrating the gain of receiver units for a central terminal of a communications system using a reference signal Download PDFInfo
- Publication number
- GB2322490A GB2322490A GB9703419A GB9703419A GB2322490A GB 2322490 A GB2322490 A GB 2322490A GB 9703419 A GB9703419 A GB 9703419A GB 9703419 A GB9703419 A GB 9703419A GB 2322490 A GB2322490 A GB 2322490A
- Authority
- GB
- United Kingdom
- Prior art keywords
- reference signal
- signal
- receiver unit
- processing circuit
- central terminal
- 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.)
- Withdrawn
Links
- 238000004891 communication Methods 0.000 title description 12
- 238000012545 processing Methods 0.000 claims abstract description 89
- 238000000034 method Methods 0.000 claims description 20
- 230000008569 process Effects 0.000 claims description 10
- 238000013459 approach Methods 0.000 abstract description 3
- 238000012360 testing method Methods 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 230000003466 anti-cipated effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
- H03G3/3052—Automatic control in amplifiers having semiconductor devices in bandpass amplifiers (H.F. or I.F.) or in frequency-changers used in a (super)heterodyne receiver
Landscapes
- Mobile Radio Communication Systems (AREA)
- Circuits Of Receivers In General (AREA)
- Transceivers (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB9703419A GB2322490A (en) | 1997-02-19 | 1997-02-19 | Calibrating the gain of receiver units for a central terminal of a communications system using a reference signal |
| AU61430/98A AU6143098A (en) | 1997-02-19 | 1998-02-04 | A receiver unit for a central terminal of a wireless telecommunications system |
| PCT/US1998/002056 WO1998037711A2 (fr) | 1997-02-19 | 1998-02-04 | Ensemble recepteur pour terminal central de systeme de telecommunications sans fil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB9703419A GB2322490A (en) | 1997-02-19 | 1997-02-19 | Calibrating the gain of receiver units for a central terminal of a communications system using a reference signal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| GB9703419D0 GB9703419D0 (en) | 1997-04-09 |
| GB2322490A true GB2322490A (en) | 1998-08-26 |
Family
ID=10807924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB9703419A Withdrawn GB2322490A (en) | 1997-02-19 | 1997-02-19 | Calibrating the gain of receiver units for a central terminal of a communications system using a reference signal |
Country Status (3)
| Country | Link |
|---|---|
| AU (1) | AU6143098A (fr) |
| GB (1) | GB2322490A (fr) |
| WO (1) | WO1998037711A2 (fr) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1253714A3 (fr) * | 2001-04-26 | 2004-03-17 | Zarlink Semiconductor Limited | Interface à radiofréquences |
| EP1446873A4 (fr) * | 2001-08-15 | 2004-10-13 | Broadcom Corp | Procede et systeme d'application a multiples syntonisateurs a amplificateur de distribution a large bande et faible bruit |
| US7053707B2 (en) | 2001-08-15 | 2006-05-30 | Broadcom Corporation | Method and system for implementing autonomous automatic gain control in a low noise broadband distribution amplifier |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4031469A (en) * | 1975-09-10 | 1977-06-21 | The Singer Company | Receiver gain calibration |
| US4053890A (en) * | 1976-05-25 | 1977-10-11 | The United States Of America As Represented By The Secretary Of The Navy | Internal calibration system |
| US4538150A (en) * | 1983-01-10 | 1985-08-27 | Westinghouse Electric Corp. | Self-calibration of stacked beam radar |
| US4633173A (en) * | 1983-08-29 | 1986-12-30 | Anritsu Electric Company Limited | Apparatus for measuring a signal level |
| US4994810A (en) * | 1990-03-26 | 1991-02-19 | Allied-Signal Inc. | Monopulse processor digital correction circuit |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4414632A (en) * | 1981-04-07 | 1983-11-08 | Murrell Robert A | Automatic monitoring system for radio signal |
| US5230087A (en) * | 1990-09-12 | 1993-07-20 | Belar Electronics Laboratory, Inc. | Device for measuring various characteristics of a radio frequency signal |
| US5257408A (en) * | 1992-04-30 | 1993-10-26 | Motorola, Inc. | Method for seeking a communication system |
| US5703902A (en) * | 1995-06-16 | 1997-12-30 | Qualcomm Incorporated | Method and apparatus for determining signal strength in a variable data rate system |
-
1997
- 1997-02-19 GB GB9703419A patent/GB2322490A/en not_active Withdrawn
-
1998
- 1998-02-04 AU AU61430/98A patent/AU6143098A/en not_active Abandoned
- 1998-02-04 WO PCT/US1998/002056 patent/WO1998037711A2/fr not_active Ceased
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4031469A (en) * | 1975-09-10 | 1977-06-21 | The Singer Company | Receiver gain calibration |
| US4053890A (en) * | 1976-05-25 | 1977-10-11 | The United States Of America As Represented By The Secretary Of The Navy | Internal calibration system |
| US4538150A (en) * | 1983-01-10 | 1985-08-27 | Westinghouse Electric Corp. | Self-calibration of stacked beam radar |
| US4633173A (en) * | 1983-08-29 | 1986-12-30 | Anritsu Electric Company Limited | Apparatus for measuring a signal level |
| US4994810A (en) * | 1990-03-26 | 1991-02-19 | Allied-Signal Inc. | Monopulse processor digital correction circuit |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1253714A3 (fr) * | 2001-04-26 | 2004-03-17 | Zarlink Semiconductor Limited | Interface à radiofréquences |
| EP1446873A4 (fr) * | 2001-08-15 | 2004-10-13 | Broadcom Corp | Procede et systeme d'application a multiples syntonisateurs a amplificateur de distribution a large bande et faible bruit |
| US7053707B2 (en) | 2001-08-15 | 2006-05-30 | Broadcom Corporation | Method and system for implementing autonomous automatic gain control in a low noise broadband distribution amplifier |
Also Published As
| Publication number | Publication date |
|---|---|
| AU6143098A (en) | 1998-09-09 |
| WO1998037711A2 (fr) | 1998-08-27 |
| WO1998037711A3 (fr) | 1998-11-26 |
| GB9703419D0 (en) | 1997-04-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 732E | Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977) | ||
| 732E | Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977) | ||
| WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |