Title:
無線通信システム、パケット転送装置、無線端末及びパケット転送方法
Document Type and Number:
Japanese Patent JP3607551
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a communication system, where a radio mobile terminal of a hybrid system with a high-speed radio interface available for only reception can utilize high-speed downlink transfer by means of the high-steed radio interface. SOLUTION: A radio mobile terminal 300 transmits a message, including a multi-cast address assignment request from a 2nd radio interface 302 via a network 20, a foreign agent 100 receiving the message via a home agent 400 and a backbone network 701 assigns the multi-cast address not in use at present in a radio area 801 and allows a 1st radio base station 200 for broadcasting the address for the information on it to the radio mobile terminal 300, and the radio mobile terminal 300 receiving it sets a 1st radio interface for receiving a link layer frame addressed to a link layer multi-cast address resolved from the informed address.
Inventors:
Shibuya Naohisa
Noriyasu Kato
Masahiro Ishiyama
Masahiro Takagi
Eiji Kamagata
Atsushi Inoue
Noriyasu Kato
Masahiro Ishiyama
Masahiro Takagi
Eiji Kamagata
Atsushi Inoue
Application Number:
JP2000017382A
Publication Date:
January 05, 2005
Filing Date:
January 26, 2000
Export Citation:
Assignee:
Toshiba Corporation
International Classes:
H04B7/26; H04L12/28; H04L12/70; H04L12/701; H04W4/00; H04W8/06; H04W8/26; H04W16/32; H04W40/34; H04W80/04; H04W84/12; H04W88/06; (IPC1-7): H04L12/56; H04B7/26; H04L12/28
Domestic Patent References:
| JP11317744A | ||||
| JP2000022759A | ||||
| JP2000341329A | ||||
| JP9252271A |
Attorney, Agent or Firm:
Takehiko Suzue
Sadao Muramatsu
Atsushi Tsuboi
Ryo Hashimoto
Satoshi Kono
Makoto Nakamura
Shoji Kawai
Sadao Muramatsu
Atsushi Tsuboi
Ryo Hashimoto
Satoshi Kono
Makoto Nakamura
Shoji Kawai