Patent
Variable bandwidth switching system
Gary A. Nelson,Gooding Patrick N,Richard E. Schumaker,Walter Keith D,Marrone Edward S,Stillman F. Gates,Everett O. Rigsbee,Michael Johas Teener +7 more
- 02 May 1984
133
TL;DR: In this paper, the authors propose a communication system that improves upon the availability of communications paths between devices and simplifies the connectivity requirements to communicate data and control information to and from a remote station (11).
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Abstract: A communications system that improves upon the availability of communications paths between devices and simplifies the connectivity requirements to communicate data and control information to and from a remote station (11). System nodes (21) are provided which are disposed along a time multiplex network signal stream. The nodes (21) serve to interface remote stations (11) to the network signal stream (25A, 25B) and may also switch information to different stations (11) connected to the same node (21). The nodes (21) are operative to allocate a variable bandwidth of the network signal stream for data communications between devices connected to different nodes. The nodes (21) include switching devices that may be configured to accomodate stations (11) that operate at different speeds. Allocation of bandwidth may be dynamically varied such that system resources are not unneccessarily diverted. Control of bandwidth allocation and internal switching within the node is accomplished via control information communicated to and from the node. Such control information may be contained within the network signal stream and decoded by the node (21) or communicated to the node (21) via a dedicated control communications line. Control information may be encoded into the signal stream communicated between the system node (21) and the remote station (11). Thus, communication of data and control signals between the stations (11) and the system node (21) does not require complex wiring. Accordingly, individual stations (11) may be more conveniently located.
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Citations
Patent
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Design approaches and performance criteria for integrated voice/data switching
M.J. Ross,A.C. Tabbot,J.A. Waite +2 more
- 01 Sep 1977
TL;DR: The need for an integrated approach to the switching and transmission of voice and data is explored and alternative design considerations are discussed in this paper, where the authors examine some of the fundamental problems associated with the design and performance of integrated systems and networks.
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