EP 0966818 A4 20021009 - IMPROVEMENTS IN ULTRAFAST TIME HOPPING CDMA-RF
Title (en)
IMPROVEMENTS IN ULTRAFAST TIME HOPPING CDMA-RF
Title (de)
VERBESSERUNGEN BEI RADIOFREQUENZ-CDMA MIT ZEITSPRUNGBETRIEB
Title (fr)
AMELIORATIONS CONCERNANT L'AMCR-HF A SAUTS TEMPORELS ULTRARAPIDES
Publication
Application
Priority
US 9703182 W 19970307
Abstract (en)
[origin: CA2262955A1] Ultrashort pulse time hopping code-division-multiple-access (CDMA) and time-division-multiple-access (TDMA) RF, IR, and optical communications systems (20, 30) in the time-frequency domain (60) comprise a transmitter (20) including a short duration pulse/packet generator (40) for generating a short duration pulse/packet in the femtosecond to microsecond range and a controller (14) for controlling the generator (40), code connected to the controller (14) for varying the time position of each short pulse/packet in frames (90) of pulses/packets (100) in orthogonal superframes (200) of ultrafast time hopping code and time division multiple access format precise oscillator-clock (10) for controlling such timing, encoding modems for transforming intelligence into pulse/packet position modulation form, and antenna/amplifier system (70). Orthogonal codes with temporal coding of the sequence of ultrafast pulses/packets constituting the carrier for transmission by the antenna system (70).
IPC 1-7
IPC 8 full level
H03K 7/04 (2006.01); H04B 1/7163 (2011.01); H04B 7/216 (2006.01); H04B 7/26 (2006.01); H04B 14/02 (2006.01); H04J 3/00 (2006.01); H04J 11/00 (2006.01); H04J 13/00 (2011.01); H04J 13/18 (2011.01); H04L 7/00 (2006.01); H04L 25/06 (2006.01); H04B 1/69 (2011.01); H04B 1/7093 (2011.01); H04B 1/719 (2011.01); H04J 13/12 (2011.01); H04J 14/00 (2006.01)
CPC (source: EP US)
H04B 1/71632 (2013.01 - EP); H04B 7/2634 (2013.01 - EP); H04B 14/026 (2013.01 - EP); H04J 13/0003 (2013.01 - EP); H04J 13/004 (2013.01 - EP); H04J 13/0074 (2013.01 - EP); H04J 13/18 (2013.01 - EP US); H04B 1/7093 (2013.01 - EP); H04B 1/71635 (2013.01 - EP); H04B 1/719 (2013.01 - EP); H04B 2001/6908 (2013.01 - EP); H04J 13/12 (2013.01 - EP); H04J 14/005 (2013.01 - EP)
Citation (search report)
- [X] WO 9609694 A1 19960328 - PULSON COMMUNICATIONS CORP INC [US]
- [A] GARRETT I: "Pulse-position modulation for transmission over optical fibers with direct or heterodyne detection", IEEE TRANSACTIONS ON COMMUNICATIONS, APRIL 1983, USA, vol. COM-31, no. 4, pages 518 - 527, XP001093913, ISSN: 0090-6778
- See references of WO 9839882A1
Designated contracting state (EPC)
AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
DOCDB simple family (publication)
AU 3472597 A 19980922; AU 731763 B2 20010405; CA 2262955 A1 19980911; EP 0966818 A1 19991229; EP 0966818 A4 20021009; JP 2002500832 A 20020108; MX PA99001323 A 20060210
DOCDB simple family (application)
AU 3472597 A 19970307; CA 2262955 A 19970307; EP 97930976 A 19970307; JP 53846298 A 19970307; MX 9901323 A 19970307