Multi-channel communication

Details Multi-channel communication Multi-channel communication

1996-05-29

2000-09-19

Vu, Huy D.

Multiplex communications

Communication techniques for information carried in plural...

Combining or distributing information via code word channels

455522, H04J 1302

Patent

active

06122295&

ABSTRACT:
A multiple communicating apparatus has a multiple communicating unit for communicating data through a plurality of channels and a control circuit for controlling the multiple communicating unit in a manner such that the transmission electric power of each channel is inversely proportional to the number of channels which are used by the multiple communicating unit. The control circuit includes a channel control circuit for controlling the number of channels which are used by the multiple communicating unit in accordance with a transmission speed. The multiple communicating unit includes a diffusion circuit for diffusing parallel data by a plurality of diffusion code series. The multiple communicating unit transmits a multiple number for a preamble period of time provided for the reception side to synchronize the plurality of code series which are used for a code division multiple with the transmission side.

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patent: 5142525 (1992-08-01), Nakatsuma
patent: 5291515 (1994-03-01), Uchida et al.
patent: 5426666 (1995-06-01), Kato
patent: 5448374 (1995-09-01), Yakoyama et al.
patent: 5539728 (1996-07-01), Gaiani et al.
patent: 5550811 (1996-08-01), Kaku et al.

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