Patent · US Active

More robust data transfer through detection of hidden nodes

US7920536B1 · kind B1 · utility

3Cited by

3References

24Claims

0Family size

Assignee

Marvell International Ltd. · BM

Inventors

Manfred Kunz · Berlin, DE
Joachim Schmalz · Bischweier, DE

Key dates

Filing date	Oct 18, 2007
Grant date	Apr 5, 2011
Priority date	—
Expiry date	Feb 2, 2030

Classification

Technology area (CPC H)Electricity
CPC primaryH04W74/02
WIPO fieldDigital communication
WIPO sectorElectrical engineering

Abstract

In a wireless network having one or more base stations and one or more access points, the base station is switched automatically from a CSMA/CA exchange protocol to an RTS/CTS exchange protocol, in a case where the base station infers the presence of a hidden node. The presence of a hidden node is inferred by scanning frames of wireless network transmissions to and from other base stations and the access point. In a case where there is a discrepancy in the accrued frames, such that frames have been accrued from the access point to a second base station without also accruing frames from the second base station back to the access point, the presence of a hidden node is inferred, and the base station is switched automatically to RTS/CTS exchange mode.

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