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- W2587834271 abstract "Much work has been developed for studying the classical broadcasting problem in the SINR (Signal-to-Interference-plus-Noise-Ratio) model for wireless device transmission. The setting typically studied is when all radio nodes transmit a signal of the same strength. This work studies the challenging problem of devising a distributed algorithm for multi-broadcasting, assuming a subset of nodes are initially awake, for the SINR model when each device only has access to knowledge about the total number of nodes in the network $n$, the range from which each node's label is taken $lbrace 1,dots,N rbrace$, and the label of the device itself. Specifically, we assume no knowledge of the physical coordinates of devices and also no knowledge of the neighborhood of each node. We present a deterministic protocol for this problem in $O(n lg N lg n)$ rounds. There is no known polynomial time deterministic algorithm in literature for this setting, and it remains the principle open problem in this domain. A lower bound of $Omega(n lg N)$ rounds is known for deterministic broadcasting without local knowledge. In addition to the above result, we present algorithms to achieve multi-broadcast in $O(n lg N)$ rounds and create a backbone in $O(n lg N)$ rounds, assuming that all nodes are initially awake. For a given backbone, messages can be exchanged between every pair of connected nodes in the backbone in $O(lg N)$ rounds and between any node and its designated contact node in the backbone in $O(Delta lg N)$ rounds." @default.
- W2587834271 created "2017-02-24" @default.
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- W2587834271 date "2017-02-08" @default.
- W2587834271 modified "2023-09-27" @default.
- W2587834271 title "Deterministic Protocols in the SINR Model without Knowledge of Coordinates" @default.
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