[HTML][HTML] CCM-FL: Covert communication mechanisms for federated learning in crowd sensing IoT

H Zhang, Y Zou, H Yin, D Yu, X Cheng - Digital Communications and …, 2024 - Elsevier
The past decades have witnessed a wide application of federated learning in crowd
sensing, to handle the numerous data collected by the sensors and provide the users with …

Approximation algorithms for secondary spectrum auctions

M Hoefer, T Kesselheim, B Vöcking - ACM Transactions on Internet …, 2014 - dl.acm.org
We study combinatorial auctions for secondary spectrum markets, where short-term
communication licenses are sold to wireless nodes. Channels can be assigned to multiple …

Nearly optimal bounds for distributed wireless scheduling in the SINR model

MM Halldórsson, P Mitra - Distributed Computing, 2016 - Springer
We study the wireless scheduling problem in the SINR model. More specifically, given a set
of nn links, each a sender–receiver pair, we wish to partition (or schedule) the links into the …

Online independent set beyond the worst-case: Secretaries, prophets, and periods

O Göbel, M Hoefer, T Kesselheim, T Schleiden… - … Colloquium on Automata …, 2014 - Springer
We investigate online algorithms for maximum (weight) independent set on graph classes
with bounded inductive independence number ρ like interval and disk graphs with …

SATPAS: SINR-based adaptive transmission power assignment with scheduling in wireless sensor network

SK Mohanty, SK Udgata - Engineering Applications of Artificial Intelligence, 2021 - Elsevier
In this work, a centralized metaheuristic algorithm is proposed for assigning minimum
transmission power to each sensor node for every transmission link along with a scheduling …

Wireless network algorithmics

MM Halldórsson, R Wattenhofer - … and Software Science: State of the Art …, 2019 - Springer
The last decade has seen a large amount of algorithmic work analyzing wireless networks.
In this paper we focus on some of the main lessons learned when studying the physical …

Secondary spectrum auctions for symmetric and submodular bidders

M Hoefer, T Kesselheim - 2015 - dl.acm.org
We study truthful auctions for secondary spectrum usage in wireless networks. In this
scenario, n communication requests need to be allocated to k available channels that are …

Beyond geometry: Towards fully realistic wireless models

MHL Bodlaender, MM Halldórsson - … of the 2014 ACM symposium on …, 2014 - dl.acm.org
Signal-strength models of wireless communications capture the gradual fading of signals
and the additivity of interference. As such, they are closer to reality than other models …

[HTML][HTML] Distributed (Δ+ 1)-coloring in the physical model

D Yu, Y Wang, QS Hua, FCM Lau - Theoretical Computer Science, 2014 - Elsevier
In multi-hop radio networks, such as wireless ad-hoc networks and wireless sensor
networks, nodes employ a MAC (Medium Access Control) protocol such as TDMA to …

The price of local power control in wireless scheduling

MM Halldórsson, T Tonoyan - arxiv preprint arxiv:1502.05279, 2015 - arxiv.org
We consider the problem of scheduling wireless links in the physical model, where we seek
an assignment of power levels and a partition of the given set of links into the minimum …