Multichannel digital transceiver and method of operating same
Abstract
A multi-channel digital transceiver (400) receives uplink radio frequency signals and converts these signals to digital intermediate frequency signals. Digital signal processing, including a digital converter module (426), is employed to select digital intermediate frequency signals received at a plurality of antennas (412) and to convert these signals to baseband signals. The baseband signals are processed to recover a communication channel therefrom. Downlink baseband signals are also processed and digital signal processing within the digital converter module (426) up converts and modulates the downlink baseband signals to digital intermediate frequency signals. The digital intermediate frequency signals are converted to analog radio frequency signals, amplified and radiated from transmit antennas (420).
Term
Term ended
Projected expiry passed 5 December 2015, 10.8 years ago.
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200 members in 20 offices
Priority claims8
| Document | Office | Kind | Date |
|---|---|---|---|
| 36628394 | United States of America | A | |
| 36628394 | United States of America | A | |
| 9517117 | United States of America | W | |
| 9517117 | United States of America | W | |
| 366283 | – | – | – |
| US9517117 | – | – | – |
| US19940366283 | – | – | – |
| WO1995US17117 | – | – | – |
Members200
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| EP0769228A1 | European Patent Office (EPO) | A1 | |
| PL317897A1 | Poland | A1 | |
| DE19581527T1 | Germany | T1 | |
| KR970702630A | Republic of Korea | A | |
| KR970702637A | Republic of Korea | A | |
| CN1149941A | China | A | |
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Numbers
- Publication, DOCDB
- 316636
- Publication, EPODOC
- PL316636
- Application
- 95316636
- Application, DOCDB
- 31663695
- Application, EPODOC
- PL19950316636
Titles
- English
- MULTICHANNEL DIGITAL TRANSCEIVER AND METHOD OF OPERATING SAME
Classification
- CPC, 26
- H04B7/0691
- H01Q1/246
- H01Q3/2605
- H03B28/00
- H03C1/00
- H03C3/00
- H03D7/165
- H04B1/0003
- H04B1/001
- H04B1/0017
- H04B1/0021
- H04B1/0483
- H04B1/16
- H04B1/26
- H04B1/28
- H04B1/38
- H04B1/40
- H04B7/06
- H04B7/0802
- H04B7/0874
- H04B7/18515
- H04B7/24
- H04L1/06
- H04L1/22
- H04W4/18
- H04W88/06
- IPC, 23
- H03D7 00
- H01Q1 24
- H01Q3 26
- H03B28 00
- H03C1 00
- H03C3 00
- H03D7 16
- H04B1 04
- H04B1 16
- H04B1 26
- H04B1 28
- H04B1 38
- H04B1 40
- H04B7 04
- H04B7 06
- H04B7 08
- H04B7 185
- H04B7 24
- H04L1 06
- H04L1 22
- H04L27 20
- H04W4 18
- H04W88 06