System of data transmission by sharing in the time-frequency spa

Details System of data transmission by sharing in the time-frequency spa System of data transmission by sharing in the time-frequency spa

1991-12-17

1994-05-24

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

370 21, 370 50, 370 691, H04J 1100

Patent

active

053155840

ABSTRACT:
A system for the transmission of digital data elements corresponding to at least one application each comprising at least one stream of data elements, the data elements being constituted by digital elements distributed in the time-frequency space and transmitted in the form of symbols constituted by a multiplex of orthogonal carrier frequencies modulated by a set of the digital elements and broadcast simultaneously, the symbols being organized in successive frames, each frame being organized in at least one data conveying channel, each channel being constituted by a succession of at least one consecutive symbol. The data elements may advantageously be transmitted, in each channel, either in transparent mode or in packet mode.

REFERENCES:
patent: 3988545 (1976-10-01), Kuemmerle et al.
patent: 4881241 (1989-11-01), Pommier et al.
patent: 4922483 (1990-05-01), Kobayashi
"Principles of Modulation and Channel Coding for Digital Broadcasting for Mobile Receivers," EBU Technical-Review, Aug. 1987, vol. 224, pp. 168-189.
Aikoh and Kanemasa, "A New TDM Technique for Voice, Data and Video Transmission," Globe Com, 1987, Tokyo, 15-18 Nov., 1987, vol. 2.
Takiyasu and Tanaka, "Consideration of a Slot Access Method for Backbone Local Area Networks," Computer Networks and ISDN Systems, vol. 17, No. 3, Sep. 15, 1989, pp. 193-199.
Listani, Pacifici, Roveri and Winkler, "INFONET: A Broadband Integrated Service Local Area Network," Globalcom, 1987, Tokyo, 15-18 Nov., 1987, vol. 2.

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