GB2262204B - A digital/analog interference cancellation system including an automatic sensitivity threshold - Google Patents
A digital/analog interference cancellation system including an automatic sensitivity thresholdInfo
- Publication number
- GB2262204B GB2262204B GB9125802A GB9125802A GB2262204B GB 2262204 B GB2262204 B GB 2262204B GB 9125802 A GB9125802 A GB 9125802A GB 9125802 A GB9125802 A GB 9125802A GB 2262204 B GB2262204 B GB 2262204B
- Authority
- GB
- United Kingdom
- Prior art keywords
- digital
- system including
- interference cancellation
- cancellation system
- sensitivity threshold
- 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 - Lifetime
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
- H04B1/06—Receivers
- H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
- H04B1/12—Neutralising, balancing, or compensation arrangements
- H04B1/123—Neutralising, balancing, or compensation arrangements using adaptive balancing or compensation means
- H04B1/126—Neutralising, balancing, or compensation arrangements using adaptive balancing or compensation means having multiple inputs, e.g. auxiliary antenna for receiving interfering signal
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
- H01Q3/2605—Array of radiating elements provided with a feedback control over the element weights, e.g. adaptive arrays
- H01Q3/2611—Means for null steering; Adaptive interference nulling
- H01Q3/2629—Combination of a main antenna unit with an auxiliary antenna unit
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9125802A GB2262204B (en) | 1991-12-04 | 1991-12-04 | A digital/analog interference cancellation system including an automatic sensitivity threshold |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9125802A GB2262204B (en) | 1991-12-04 | 1991-12-04 | A digital/analog interference cancellation system including an automatic sensitivity threshold |
Publications (3)
Publication Number | Publication Date |
---|---|
GB9125802D0 GB9125802D0 (en) | 1992-02-05 |
GB2262204A GB2262204A (en) | 1993-06-09 |
GB2262204B true GB2262204B (en) | 1995-08-02 |
Family
ID=10705698
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9125802A Expired - Lifetime GB2262204B (en) | 1991-12-04 | 1991-12-04 | A digital/analog interference cancellation system including an automatic sensitivity threshold |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2262204B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2788642B1 (en) * | 1999-01-19 | 2001-03-23 | Thematiques Des Idees Set Id S | HIGH PRECISION RECEPTION SYSTEM BY PERMANENT CORRECTION OF RECEIVER CHARACTERISTICS |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4367472A (en) * | 1979-09-28 | 1983-01-04 | Siemens Aktiengesellschaft | Circuit arrangement for side lobe suppression in radar apparatuses |
WO1987007102A1 (en) * | 1985-05-13 | 1987-11-19 | Plessey Overseas Limited | Improvements in or relating to a transceiver interference cancellation system |
-
1991
- 1991-12-04 GB GB9125802A patent/GB2262204B/en not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4367472A (en) * | 1979-09-28 | 1983-01-04 | Siemens Aktiengesellschaft | Circuit arrangement for side lobe suppression in radar apparatuses |
WO1987007102A1 (en) * | 1985-05-13 | 1987-11-19 | Plessey Overseas Limited | Improvements in or relating to a transceiver interference cancellation system |
Also Published As
Publication number | Publication date |
---|---|
GB2262204A (en) | 1993-06-09 |
GB9125802D0 (en) | 1992-02-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PE20 | Patent expired after termination of 20 years |
Expiry date: 20111203 |