Wireless communication system and wireless communication apparat

Details Wireless communication system and wireless communication apparat Wireless communication system and wireless communication apparat

1996-08-26

2000-05-23

Patel, Ajit

Multiplex communications

Communication over free space

Combining or distributing information via time channels

370350, H04B 7212

Patent

active

060672943

ABSTRACT:
A wireless communication system comprises: a center unit and a plurality of terminal units, wherein the center unit includes: a transmitting portion for recurrently generating time slots and transmitting data through the set of time slots; a broadcasting control portion for respectively sending information of at least a predetermined time slot to be used out of the time slots for broadcast to the plurality of terminal units through the transmitting portion and for operating the transmitting portion to transmit the data to be broadcasted through at least the predetermined time slot; and each of the terminal unit includes: a receiving portion for receiving the data through one of time slots assigned to each of the terminal unit out of the time slots; and a broadcasting receiving control portion for receiving the information through the receiving portion and for controlling the receiving portion to receive the data to be broadcasted using the predetermined time slot with reference to the information. The center unit may broadcast the data using both time slots of upward and downward transmission and may synchronize a top of reference frame of the data including video data of moving pictures with a top of the slot for broadcasting.

REFERENCES:
patent: 5541979 (1996-07-01), Leslie et al.
patent: 5570352 (1996-10-01), Poyhonen
patent: 5590133 (1996-12-01), Billstrom et al.
patent: 5604744 (1997-02-01), Andersson et al.
patent: 5625629 (1997-04-01), Wenk

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