H - Electricity – 04 – L
Patent
H - Electricity
04
L
H04L 29/06 (2006.01) H04L 1/00 (2006.01) H04L 12/24 (2006.01) H04Q 7/38 (2006.01)
Patent
CA 2242985
One aspect of the invention provides a method of communication in a medium, for a communication network having a number of stations, using Medium Access Control protocol that incorporates quality of service capabilities wherein at least one of the stations is capable of generating a (repetitive) beacon for assigning priority levels for each priority station on the network, wherein a station, before transmitting information on the network, attempts to detect the presence of a beacon for the network, and if the presence of a beacon is not detected, adopts the status of a beacon and transmits a beacon message to other stations in the network. In another aspect of the invention interference is reduced in communication in a medium using carrier modulation, for a communication network having a plurality of stations, using access control protocol wherein at least one of the stations is capable of generating a control message (SOD) that can be transmitted to other stations on the network to change the method of modulation being used, wherein communication between stations in the network is being performed using a first modulation method, by initiating a change in the modulation method being used by sending a control message containing identification of a second modulation method to other stations to inform them of the second modulation method; allowing the other stations to change the modulation method used to the second modulation method. The control message further includes a direction to those other stations not changing modulation to the second modulation method to instruct them not to transmit using the first modulation method.
Baker Murray C.
Mckay Danny Neil
Sinha Rupam
Ibm Canada Limited - Ibm Canada Limitee
Rosen Arnold
LandOfFree
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