Title:
無線LANシステムおよびその通信方法
Document Type and Number:
Japanese Patent JP4547832
Kind Code:
B2
Abstract:
A radio LAN (Local Area Network) system includes an access point and a mobile or a fixed station each having a physical layer implemented by a direct spread spectrum system. The LAN system uses different spread codes, maintains transmission power semi-fixed, and selects a frequency and a frequency band in accordance with the kind and amount of information. A data link layer above each physical layer includes an LLC (Logical Link Control) sublayer and an MAC (Media Access Control) sublayer. The MAC sublayer uses a CDMA (Code Division Multiple Access) system as an access system for thereby implementing a data structure in accordance with the kind and amount of information.
Inventors:
Koji Eto
Application Number:
JP2001135182A
Publication Date:
September 22, 2010
Filing Date:
May 02, 2001
Export Citation:
Assignee:
Oki Electric Industry Co., Ltd.
International Classes:
H04W84/12; H04B1/707; H04B7/005; H04J13/00; H04L12/28; H04W72/04; H04W74/08; H04W88/08; H04L1/00; H04L1/18
Domestic Patent References:
| JP10032579A | ||||
| JP9219708A | ||||
| JP2000350267A |
Attorney, Agent or Firm:
Takao Katori