نتایج جستجو برای: automobile transmissions
تعداد نتایج: 17886 فیلتر نتایج به سال:
In a multi-packet reception (MPR) system, a wireless node can successfully receive multiple packets from simultaneous transmitters. The increase in the number of simultaneous transmissions leads to higher throughput as long as the transmissions can be successfully decoded by the receiver. The maximum number of simultaneous transmissions that the receiver can successfully decode should be determ...
Compared to unicast traffic, multicast is not protected by any ARQ mechanism in 802.11 networks: collisions with other multicast and unicast transmissions are not detected and senders will not adapt to the contention situation by backing off. This results in an unreliable service for multicast transmissions. We propose early multicast collision detection (EMCD), an algorithm with the purpose of...
Computer has become the most significant helper and tool around the world. It is used in all kinds of electronic devices and improves their usability much. Automobile is a great example in this topic to show how computer changes the way people interact with an item. During the past decades, more and more mechanical devices in automobile are replaced by electrical substitutions and the interface...
PURPOSE Automobile mechanics have been exposed to asbestos in the past, mainly due to the presence of chrysotile asbestos in brakes and clutches. Despite the large number of automobile mechanics, little is known about the non-malignant respiratory diseases observed in this population. The aim of this retrospective multicenter study was to analyse the frequency of pleural and parenchymal abnorma...
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