H - Electricity – 04 – L
Patent
H - Electricity
04
L
H04L 12/56 (2006.01) H04Q 11/04 (2006.01)
Patent
CA 2104133
ABSTRACT Disclosed is a data transmission unit for use in a system wherein data to be transmitted is organized into packets which may be assigned one of four states: idle, occupied, released, or reset. Or these packets may be assigned one of three states: idle, occupied, or released, each state being able to include a reset bit. Each unit has terminals associated therewith and is assigned two windows on the number of packets it may transmit. One window is a parameter for transmitting data by using idle packets and the other is by using released packets. The unit responds to the state of a received packet, the state of the windows, and the presence or absence of transmit data to control whether the packet transmitted out of the unit is a packet from internal transforming buffers, a released packet from a released cell producing circuit, an occupied packet containing data from the unit's own terminals. A released packet contains the address of the unit which generated it and is generated when there is no data to be transmitted and an idle packet is received by the unit. Any unit can occupy a released packet with data from its terminal within the second window band, thereby increasing data throughput. 82
Kubota Kouji
Tanaka Tsutomu
Matsushita Electric Industrial Co. Ltd.
Riches Mckenzie & Herbert Llp
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