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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 ...

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In today’s market, a single earnings report can often set the tone for entire sectors. This is particularly true for Vanguard Communications Services Index Fund (NYSE:VOX), a sector known for its interconnectedness and shared market dynamics. With Verizon Communications (NYSE:VZ) being up 5% after reporting strong earnings this morning, it’s natural to wonder if this is good news for other telecom giants? AT&T AT&T (NYSE:T), with its dividend yield of 6.7%, has long been a favorite among dividen

Dublin, Jan. 18, 2024 (GLOBE NEWSWIRE) -- The

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