Transmitter, receiver, communication system, and communication m

Details Transmitter, receiver, communication system, and communication m Transmitter, receiver, communication system, and communication m

1997-01-28

1999-01-12

Le, Amanda

Pulse or digital communications

Systems using alternating or pulsating current

Plural channels for transmission of a single pulse train

375299, 375347, 455101, 455136, 455138, 455140, 4552771, H04B 702

Patent

active

058598758

ABSTRACT:
Transmission mode selection is enabled, so communication reliability, transmission speed, and equipment utilization efficiency are all high. A first transmission system whereby spectrum spreading is accomplished with a spread code 1 and data is transmitted, and a second transmission system whereby data is transmitted with a spread code 2, are provided. In high-reliability transmission mode, identical data from a data buffer is transmitted through both the first and second transmission systems to achieve space diversity. In high-speed mode, data divided by a data division circuit is transmitted simultaneously through the first and second transmission systems, making possible efficient data transfer. Control information insertion circuits append transmission mode data to the transmitted data.

REFERENCES:
patent: 5390239 (1995-02-01), Morris et al.
patent: 5652764 (1997-07-01), Kanzaki et al.
patent: 5710995 (1998-01-01), Akaiwa et al.

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