Title:
MULTICAST TRANSMISSION IN A RADIO NETWORK
Document Type and Number:
WIPO Patent Application WO1999016277
Kind Code:
A3
Abstract:
The invention related to a method for multicast in a radio network, which includes at least one base station (BTS) and a plurality of mobile terminals (MS). The method comprises the steps of: broadcasting the broadcast message from at least one base station (BTS), receiving the broadcast message at mobile terminals (MS). It is characteristic for the method according to the invention that it further comprises the steps of: formulating at least one broadcast message as a multicast message, delivering a token needed to recover the information of the multicast message to a selected first group of mobile terminals (MS1, MS2, MS3), which group includes at least two mobile terminals, and using the delivered token at the said group of mobile terminals to allow the reception and recovery of the multicast messages.
Inventors:
RAIVISTO TOMMI (FI)
Application Number:
PCT/FI1998/000759
Publication Date:
May 20, 1999
Filing Date:
September 24, 1998
Export Citation:
Assignee:
NOKIA TELECOMMUNICATIONS OY (FI)
RAIVISTO TOMMI (FI)
RAIVISTO TOMMI (FI)
International Classes:
H04L29/06; H04W4/06; H04W4/12; H04W12/02; (IPC1-7): H04Q7/38
Foreign References:
| EP0795970A2 | 1997-09-17 | |||
| EP0777394A1 | 1997-06-04 | |||
| EP0555992A1 | 1993-08-18 | |||
| EP0699009A1 | 1996-02-28 |
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