Patent ID: 8315271
Filing Date: 2012-11-20
Classification: H04L,H04W

Abstract:
1. An apparatus comprising: a memory for storing a sequence list; a receiver for receiving a first signal indicating transfer of control of a shared medium from a first remote station with an associated station identifier in the sequence list; and a transmitter for transmitting on the shared medium subsequent to receiving the signal, and for transmitting a second signal indicating transfer of control of the shared medium to a second remote station with an associated station identifier in the sequence list subsequent to expiration of a time allotment for control of the shared medium, wherein the second signal comprises a token selected from a plurality of token messages and wherein the selected token comprises the sequence list, wherein the second remote station receives the token, selects a station identifier for a monitoring station and transmits an add message comprising a new sequence list, the new sequence list comprising the station identifier for the monitoring station, wherein the add message is transmitted subsequent to transmission by a third remote station of a token indicating the end to a period of transmissions associated with the sequence list, when the transmission from the third station is received and decoded by the station transmitting the add message.