Data transmission control system for performing one-to-multiple

Details Data transmission control system for performing one-to-multiple Data transmission control system for performing one-to-multiple

1997-02-05

1999-04-06

Nguyen, Chau

Multiplex communications

Communication over free space

Combining or distributing information via time channels

371 33, 370312, 370428, H04J 324, H04L 108

Patent

active

058927590

ABSTRACT:
A transmission control system for performing one-to-multiple site data transmission by a radio packet communication, comprising a plurality of communication terminals and a communication base station for determining timing of access control as well as timing of sending and receiving transmission data, the communication terminals and the communication base station being connected via a radio packet communication system, in which the communication terminal sends a negative acknowledgment signal on the failure in receiving a packet signal sent from the communication base station, the communication base station resends the packet signal which is not received by the communication terminal upon receipt of the negative acknowledgment signal, and the communication terminal sending the packet signal resends the packet signal which was sent just before, upon receipt of the packet signal resent from the communication base station.

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S.B. Calo, et al., "A Broadcast Protocol for File Transfers to Multiple Sites", IEEE Transactions on Communications, vol. COM-29, No. 11, Nov. 1981, pp. 1701-1707.

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