Title:
MULTICARRIER RECEIVER
Document Type and Number:
WIPO Patent Application WO2002023850
Kind Code:
A3
Abstract:
FDM signal communication methods and apparatus are described. In accordance with the invention FDM signals are generated in the time domain with symbols being mapped to specific point in time. Training symbols may be included in the transmitted FDM signal to facilitate symbol recovery. An exemplary receiver receives the FDM signal from the communications channel, converts it into the frequency domain, and then filters it in the frequency domain to eliminate tones corresponding to other users. The filtered signal free of MAC interference is then converted into the time domain where channel estimation and compensation operations are performed. After channel compensation symbol recovery is performed in the time domain.
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Inventors:
LAROIA RAJIV (US)
LI JUNYI (US)
LI JUNYI (US)
Application Number:
PCT/US2001/028315
Publication Date:
October 03, 2002
Filing Date:
September 11, 2001
Export Citation:
Assignee:
FLARION TECHNOLOGIES INC (US)
LAROIA RAJIV (US)
LI JUNYI (US)
LAROIA RAJIV (US)
LI JUNYI (US)
International Classes:
H04L5/02; H04L27/26; (IPC1-7): H04L5/06
Foreign References:
| EP0981222A2 | 2000-02-23 | |||
| EP0786889A1 | 1997-07-30 |
Other References:
KAPPES J M ET AL: "PROGRAMMABLE DEMULTIPLEXER/DEMODULATOR PROCESSOR", PROCEEDINGS OF THE MILITARY COMMUNICATIONS CONFERENCE. (MILCOM). MONTEREY, SEPT. 30 - OCT. 3, 1990, NEW YORK, IEEE, US, vol. 1, 30 September 1990 (1990-09-30) - 3 October 1990 (1990-10-03), pages 230 - 234, XP000221787
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