WIRELESS COMMUNICATION SYSTEM - HITACHI INT ELECTRIC INC

Title:

WIRELESS COMMUNICATION SYSTEM

Document Type and Number:

WIPO Patent Application WO/2013/042529

Kind Code:

A1

Abstract:

[Problem] To provide a high quality wireless communication system capable of avoiding interference within a system, interference between systems, and interference from a wireless LAN. [Solution] In a wireless communication system, an APM (401) provides sequential numbers to channels formed by dividing a specific frequency band, selects the channels in bit-reversed order of the numbers to divide the channels in frequency groups, creates a small hopping table for each frequency group, and generates a hopping table using the plurality of small hopping tables, and an AP performs channel access to a STA by frequency hopping with reference to the hopping table.

More Like This:

JP6605694	Management device, management method and communication system
WO/2011/043392	BASE STATION DEVICE AND USER DEVICE
JP5420373	Mobile communication systems, mobile stations, base stations, and handover methods

Inventors:

HASEGAWA KEIGO (JP)
YANO TAKASHI (JP)

Application Number:

PCT/JP2012/072346

Publication Date:

March 28, 2013

Filing Date:

September 03, 2012

Export Citation:

Click for automatic bibliography generation Help

Assignee:

HITACHI INT ELECTRIC INC (JP)
HASEGAWA KEIGO (JP)
YANO TAKASHI (JP)

International Classes:

H04W72/04; H04B1/7143; H04W4/42

Foreign References:

JP2000101481A

2000-04-07

Download PDF:

View/Download PDF PDF Help

Claims:

Previous Patent: CENTRIFUGAL CASTED COMPOSITE ROLLER FOR HOT ROLLING AND METHOD FOR PRODUCING SAME

Next Patent: DISPLAY DEVICE, DISPLAY CONTROL METHOD, AND PROGRAM