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"Schwarz Information Criterion Based Thompson Sampling for Dynamic Spec" by Ming He, Ming Jin et al.

The listen before talk (LBT) mechanism is often used in dynamic spectrum access (DSA) schemes, which requires secondary users (SUs) to perform spectrum sensing before accessing a channel so as to avoid transmission collisions with primary users (PUs). In the scenario of DSA with multiple PU channels, channel sensing order according to the idle probabilities of PU channels is important for SUs to improve the spectrum efficiency. However, conventional DSA schemes are sluggish in updating the estimates of idle probabilities sequentially, which hinders their application in highly dynamic channels (with time-varying idle probabilities). To overcome this issue, we propose a change detection algorithm with a binary hypothesis testing of Schwarz Information Criterion (SIC), and present an SIC based Thompson Sampling Algorithm (SIC-TSA) to promptly update the estimates of idle probabilities. Moreover, the collision probabilities among SUs are analyzed. Numerical results are provided to show tha ....

Schwarz Information Criterion , Thompson Sampling Algorithm , Channel Estimation , Dynamic Spectrum Access , On Stationary Environment , Reinforcement Learning , Schwarz Information Criterion , Hompson Sampling , Wireless Communication , Wireless Sensor Networks ,

Meta Platforms to deploy in-house custom chips this year to power AI drive: internal memo

Facebook owner Meta Platforms plans to deploy into its data centres this year a new version of a custom chip aimed at supporting its artificial intelligence push, according to an internal company document. ....

United States , Menlo Park , Nvidia Gpus , Mark Zuckerberg , Meta Training , Inference Accelerator , Meta Platforms , Chi Chip ,

[Latest] Global Photonic Integrated Circuits Market

[220+ Pages Latest Report] According to a market research study published by Custom Market Insights, the demand analysis of Global Photonic Integrated. ....

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How Silicon Can Improve the Performance of Solid-State Batteries

High-performance batteries are required for a wide range of applications and demand is growing rapidly. This is why the research and development of electrochemical energy storage systems, includin . ....

Ming Jiang , Yang Bai , Kerstin Volz , Anja Henss , Dierk Raabe , Hannah Hartmann , Shamail Ahmed , Hanyu Huo , University Of Toronto , Metals Research In Prof , Raabe Department , Metals Research , Chandra Veer Singh , Nature Materials , Solid State Batteries , Energy Storage , Electrode Materials , Solid Electrolytes , Battery Materials ,

Four Seasons Hotel Silicon Valley Celebrates Lunar New Year with Spectacular Events and Culinary Delights

Four Seasons Hotel Silicon Valley invites guests to join in the joyous celebration of Lunar New Year throughout the month of February 2024 and welcome the Year of the Dragon. The Hotel will host a series of events, including the Lunar New Year Afternoon Tea every weekend and a special Dim Sum Brunch featuring captivating Lion Dance performances on February 17 and 18. Embracing the Year of the Dragon, I extend warm wishes for prosperity and unity. Join us at Four Seasons Hotel Silicon V. ....

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