Title:
セルラーローカルエリア無線ネットワークの優先切り換え
Document Type and Number:
Japanese Patent JP4418537
Kind Code:
B2
Abstract:
A communications network comprising a cellular local area wireless network includes a plurality of access points (5) connected to a house computer (4) and each other, and a plurality of mobile units (2) each mobile unit being arranged for association with an access point. The mobile units are arranged to periodically scan for and identify the most eligible access point for association on the basis of the criteria of best quality signal strength and loading factor. In order to identify when mobile units are being removed from a predetermined area, access points having directional antennae (22) are situated adjacent exit points (21) to detect when mobile units are in a vicinity.
Inventors:
Patrick Pinard
Frederick Hyman
Frederick Hyman
Application Number:
JP28400896A
Publication Date:
February 17, 2010
Filing Date:
October 25, 1996
Export Citation:
Assignee:
Symbol Technologies Inc.
International Classes:
H04W36/08; G06K7/00; G06K17/00; H04B1/707; H04B1/713; H04B1/7156; H04L5/14; H04L12/28; H04L12/56; H04W36/30; H04W48/14; H04W48/16; H04W84/12; H04W88/06; H04W48/20
Domestic Patent References:
| JP63155923A | ||||
| JP7297841A | ||||
| JP6090481A | ||||
| JP4249443A |
Foreign References:
| WO1996016524A1 |
Attorney, Agent or Firm:
Minoru Nakamura
Fumiaki Otsuka
Shishido Kaichi
Hideto Takeuchi
Toshio Imajo
Nobuo Ogawa
Village shrine Atsuo
Fumiaki Otsuka
Shishido Kaichi
Hideto Takeuchi
Toshio Imajo
Nobuo Ogawa
Village shrine Atsuo