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- W99680517 abstract "Presently, most local-area networks employ a single broadcast bus to interconnect single-transceiver stations. In order to increase a network's throughput beyond a single bus's data rate without using dedicated switching nodes, multiple buses and multi-transceiver stations are required. We explore the design space of single-hop interconnections among such stations; i.e., interconnections that provide a passive transmission path between any two stations. For example, we present interconnections whose throughput can grow quadratically with the number of transmitters and receivers per station. They consist of a collection of buses, each of which interconnects only a proper subset of the stations using one of their transceivers. Yet, for any two stations, there is at least one bus to which they are both connected. We refer to these as selective-broadcast interconnections, or SBI's. The use of unidirectional media significantly enriches the design space of SBI's since, unlike with bidirectional media, the sets of receivers that hear two transmissions need not be identical or disjoint. A graph-theoretic criterion for determining whether or not transmissions over a specified pair of paths would interfere with each other is established. It is then used in studying the performance of various SBI's. Implementation-related issues, such as power budget in fiber optic implementations, are discussed in the context of local-area networks. Lastly, the concept of SBI's is shown to also apply to memory-processor interconnection, as well as to additional domains.A spread-spectrum channel can accommodate several concurrent successful transmissions, and a single-transceiver node can thus utilize only a small fraction of the channel's capacity. In order to allocate the appropriate fraction of capacity to a busy node, we propose to equip it with several transmitters and receivers, thereby turning it into a supernode. Several architectures and operation policies for supernodes are suggested and compared; it is shown that a supernode can significantly outperform a collection of independent conventional nodes with the same total numbers of transmitters and receivers. Packet-radio networks with half-duplex nodes, as well as networks with full-duplex nodes, are considered." @default.
- W99680517 created "2016-06-24" @default.
- W99680517 creator A5023361355 @default.
- W99680517 date "1987-01-01" @default.
- W99680517 modified "2023-09-23" @default.
- W99680517 title "Concurrent communication among multi-transceiver stations over shared media (computer networks, spread spectrum)" @default.
- W99680517 hasPublicationYear "1987" @default.
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