Title:
METHOD FOR SYNCHRONIZING TRANSMISSION THROUGH COMMON CHANNEL IN WIRELESS COMMUNICATION NETWORK EQUIPPED WITH INSTRUMENT AND A PLURALITY OF COORDINATORS WITHIN TRANSMISSION RANGE OF THE INSTRUMENT
Document Type and Number:
Japanese Patent JP2006033827
Kind Code:
A
Abstract:
To provide a method which synchronizes transmission through a channel in a wireless communication network which is equipped with an instrument and a plurality of coordinators within the transmission range of the instrument.
A superframe is defined to include a beacon period, an access competition period and a non-competed period. The beacon period contains a plurality of slots. In each of the coordinators, a specific beacon slot which does not collide with a beacon slot selected by the other coordinator is selected. Subsequently, beacons are transmitted to the instrument with coordinators in time periods relevant to the selected slots.
Inventors:
SHAO HUAI-RONG
ZHANG YINYUN
ZHANG YINYUN
Application Number:
JP2005197391A
Publication Date:
February 02, 2006
Filing Date:
July 06, 2005
Export Citation:
Assignee:
MITSUBISHI ELECTRIC RES LAB
International Classes:
H04L12/28; H04B7/26; H04L7/00; H04W72/12; H04W56/00; H04W74/02; H04W74/04; H04W74/08; H04W84/12
Domestic Patent References:
| JP2004040645A | 2004-02-05 |
Foreign References:
| US20030012176A1 | 2003-01-16 |
Attorney, Agent or Firm:
Michiteru Soga
Michiharu Soga
Hidetoshi Furukawa
Suzuki Kenchi
Kajinami order
Michiharu Soga
Hidetoshi Furukawa
Suzuki Kenchi
Kajinami order
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