Self synchronizing network protocol

Details Self synchronizing network protocol Self synchronizing network protocol

1997-05-09

1999-11-16

Olms, Douglas W.

Multiplex communications

Communication over free space

Combining or distributing information via time channels

370503, 370508, 370519, H04J 306

Patent

active

059870249

ABSTRACT:
A self synchronizing network protocol which allows networks to become self synchronizing. Two pairs of nodes communicate in an ad hoc packet radio network. Packets are communicated over a plurality of frames of time. A known bit field is appended to each packet. A clock at the first pair of nodes (10 and 12) is unavoidably slower than the clock at the second pair of nodes (14 and 16). As a result, packets transmitted from the second pair of nodes (14 and 16) will eventually overlap packets transmitted from the first pair of nodes (10 and 12). Errors in the appended field (17) can be used to detect such an overlap in advance to prevent damage to the payload. The protocol provides for additional channel efficiency, more responsiveness and the ability to grow without a central controller. Further, the ability to accommodate new traffic is increased.

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"Extended DQRAP (XDQRAP) A Cable TV Protocol Functioning as a Distributed Switch", by Chien-Ting Wu & Graham Campbell, Computer Science Dept. Illinois Institute of Technology.

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