Wireless communication system and wireless communication apparatus
US6067294A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Aug 26, 1996 |
| Grant date | May 23, 2000 |
| Priority date | — |
| Expiry date | Aug 26, 2016 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W72/23
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
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 pi…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.