Title:
METHOD FOR PROVIDING MULTICAST SERVICE, INFORMATION DISTRIBUTING DEVICE AND RADIO TERMINAL
Document Type and Number:
Japanese Patent JP3662473
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a multicast service providing method, with which a plurality of radio terminals that go into various receiving states within a service area can respectively receive multicast information with satisfactory reception quality.
SOLUTION: In this multicast service providing method for distributing the multicast information from an information distributing device to radio terminals within the service area through a radio section, the information distributing device distributes the same multicast information according to a plurality of different transmission conditions, and the radio terminals can receive the distributed multicast information by any of the transmission conditions.
Inventors:
Sato Kichin
Narumi Umeda
Yasushi Yamao
Narumi Umeda
Yasushi Yamao
Application Number:
JP2000140845A
Publication Date:
June 22, 2005
Filing Date:
May 12, 2000
Export Citation:
Assignee:
NTT DoCoMo, Inc.
International Classes:
H04L27/18; H04B7/26; H04J3/00; H04J13/00; H04L1/00; H04L27/26; H04W4/06; H04W16/02; H04W28/06; H04W28/18; H04W28/22; H04W72/04; H04W74/08; H04W84/12; (IPC1-7): H04B7/26; H04J3/00; H04J13/00; H04L12/28; H04L27/18; H04Q7/36
Domestic Patent References:
| JP11331070A | ||||
| JP5160776A | ||||
| JP11501175A |
Attorney, Agent or Firm:
Tadahiko Ito