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the XOR as access channel. A.J. Han Vinck University of Essen Germany. content. The XOR as access channel Model: coordinated versus uncoordinated Capacity for large number of users Application: token ring Coding aspects. The model. Coordinated versus „random“. example. capacity.
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the XOR as access channel A.J. Han Vinck University of Essen Germany
content • The XOR as access channel • Model: coordinated versus uncoordinated • Capacity for large number of users • Application: token ring • Coding aspects
Token ring Header: T positions: active = 1 TDMA 0 1 0 0 1 1 0 1 Header: n-k positions 0 1 0 0 1 NEW i becomes active: H1:= Ho . XOR . address(i) i becomes inactive: H2 : = H1 . XOR. address(i) = Ho