Dynamic Broadcasting Algorithms in Wireless Networks
Summary
Dynamic broadcasting algorithms address the challenge of disseminating information efficiently and reliably across wireless networks whose connectivity may vary unpredictably over time. In such settings, nodes may enter or leave the network, links can fluctuate in quality, and interference or contention can disrupt transmissions. Core objectives include minimising latency, bounding the number of transmissions, and ensuring stability despite adversarial or stochastic topology changes. Techniques range from simple flooding and selective forwarding to more sophisticated approaches that decouple contention management via abstract MAC layers or employ probabilistic and greedy strategies. Back-off protocols are widely used to resolve collisions, dynamically adjusting transmission attempts after failed exchanges. In multi-message scenarios, generic transformation methods enable single-token broadcast algorithms to scale to k-token problems, balancing network diameter and node degree constraints. Practical applications span mobile ad-hoc networks, Internet of Things deployments, emergency communication systems and large-scale sensor networks, where energy constraints and duty-cycled operation further complicate scheduling. Recent advances have established tight time-complexity bounds under various stability and connectivity assumptions, offering theoretical foundations for robust, low-latency broadcasting in real-world dynamic environments.
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Dynamic Broadcasting Algorithms in Wireless Networks publication trend
The graph below shows the total number of articles in dynamic broadcasting algorithms in wireless networks across all publications each year (not limited to Nature Index journals).
Technical terms
Dynamic topology: A network structure in which link availability and node connectivity change over time, often unpredictably.
Broadcast algorithm: A protocol that ensures dissemination of one or more messages from a source to all nodes in a network.
Abstract MAC layer: A conceptual medium access control interface that encapsulates contention resolution, enabling separation of broadcast logic from link-level arbitration.
Back-off protocol: A collision-resolution mechanism where nodes delay retransmission attempts by random intervals after transmission failures.
Network diameter: The maximum shortest-path distance, measured in hops, between any two nodes in the network.
References
- Decomposing broadcast algorithms using abstract MAC layers. Ad Hoc Networks (2014).
- Approximation algorithm for data broadcasting in duty cycled multi-hop wireless networks. EURASIP Journal on Wireless Communications and Networking (2013).
- On simple back-off in unreliable radio networks. Theoretical Computer Science (2020).
- The cost of global broadcast in dynamic radio networks. Theoretical Computer Science (2020).
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