Patent ID: 6067294
Filing Date: 2000-05-23
Classification: H04H,H04N,H04W

Abstract:
A wireless apparatus comprising:a center unit and a plurality of terminal units, wherein said center unit includes:transmitting means for recurrently generating a first group and second group of time slots, and transmitting data through said time slots;broadcasting control means for respectively sending information in at least one predetermined time slot of said first group of time slots and one predetermined time slot of said second group of time slots to said plurality of terminal units through said transmitting means, and for operating said transmitting means to transmit said data to be broadcasted through said predetermined time slots;receiving means which receives data from said terminal units using remaining of said first group of time slots;dividing means for receiving a series of video data of a moving picture to be broadcasted which recurrently includes an intra-predicted frame, and for dividing said series of video data of a moving picture into blocks corresponding to at least one of said predetermined time slots, synchronized with a beginning of said at least one of predetermined time slot, and said broadcasting control means controls said transmitting means to transmit said series of video data from said dividing means as data to be broadcasted through at least said predetermined time slot, and whereineach terminal unit includes:receiving means for receiving said data through one of said time slots assigned to each terminal unit; andbroadcasting receiving control means for receiving said information through said receiving means and for controlling said receiving means to receive said data using at least one of said predetermined time slots.