| 摘要 |
<p>PCT No. PCT/FI96/00391 Sec. 371 Date Jul. 28, 1998 Sec. 102(e) Date Jul. 28, 1998 PCT Filed Jul. 3, 1996 PCT Pub. No. WO97/02670 PCT Pub. Date Jan. 23, 1997A system for adapting packets received from a digital packet network to a radio system which operates on the digital audio broadcasting (DAB) principle. The system has a transmitting end as which a data group includes a data field and a header intended for a service component, the header containing an address field intended for an end-user's address. The service component is transmitted on the transmission path in DAB packets whose header includes an address field (PKT address) identifying the service component and whose data in the data field has been obtained by dividing the data group into segments and by transferring each segment into the data field of one corresponding DAB packet. The system further includes: a receiving unit for receiving and temporarily storing desired packets, an address and protocol converter which converts the address of each temporarily stored packet, inserts at least a pan of the address convened to the address field of the data group to be formed, inserts the data of the packet as such to the data group data field and inserts at least a pack of the address convened to the address field of the DAB packets to be formed, and a storing device which stores the DAB packets formed and from which the packets can further be applied to the DAB system transmitter.</p> |
