Communication apparatus and a method for controlling a communica

Details Communication apparatus and a method for controlling a communica Communication apparatus and a method for controlling a communica

1997-09-10

2000-12-05

Hsu, Alpus H.

Multiplex communications

Communication over free space

Message addressed to multiple destinations

370390, 370420, 370432, 34082547, 455518, H04B 100, H04Q 700

Patent

active

061576220

ABSTRACT:
A plurality of terminals communicate. One terminal belongs to a plurality of groups of terminals. In the communication apparatus, a terminal information memory stores terminal identifiers. A sending section sends the communication information with the terminal identifiers of other terminals participating in one group to the other terminals. A receiving section receives information sent by the other terminal. A group discrimination section compares the received terminal identifiers with the stored terminal identifiers, and discriminates the group from which the received information was communicated according to the comparison.

REFERENCES:
patent: 4864559 (1989-09-01), Perlman
patent: 5771352 (1998-06-01), Nakamura et al.
patent: 5959989 (1999-09-01), Gleeson et al.
D. Comer, Sec. 17.4 "IP Multicast", Internetworking With TCP/IP, 1:291-292.

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