Patent · US Active

Method of congestion management in a wireless mesh network

US8331396B2 · kind B2 · utility

4Cited by

2References

7Claims

0Family size

Assignee

KONINKLIJKE PHILIPS ELECTRONICS NV · NL

Inventors

Guido Roland Hiertz · Aachen, DE
Bernard Walke · Würselen, DE
Theodorus Jacobus Johannes Denteneer · Eindhoven, NL

Key dates

Filing date	Jan 10, 2008
Grant date	Dec 11, 2012
Priority date	—
Expiry date	Oct 23, 2028

Classification

Technology area (CPC H)Electricity
CPC primaryH04W74/08
WIPO fieldDigital communication
WIPO sectorElectrical engineering

Abstract

A method of congestion management in a wireless mesh network in which the CSMA/CA algorithm is used to access wireless medium, said network comprising a first station and at least one neighboring station able to communicate directly with the first station, comprises: —broadcasting (22) an announcement message by the first station to the at least one neighboring station when the first station experiences a congestion in its environment, said announcement message comprising a congestion level parameter, —activating (26) by the neighboring station, at reception of the announcement message, a congestion state in which the minimum size of the time window, called contention window, to access the medium before transmission of a message is strictly greater than the minimum size (CWmin) defined in absence of congestion, said minimum size in congestion state being defined as a function of the congestion level parameter.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.