نتایج جستجو برای: state capacity
تعداد نتایج: 1111572 فیلتر نتایج به سال:
Computational spot markets enable users to bid on servers, and then continuously allocates them to the highest bidder: if a user is “out bid” for a server, the market revokes it and re-allocates it to the new highest bidder. Spot markets are common when trading commodities to balance real-time supply and demand—cloud platforms use them to sell their idle capacity, which varies over time. Howeve...
We consider the problem of covert communication over a state-dependent channel, where the transmitter has causal or noncausal knowledge of the channel states. Here, “covert” means that a warden on the channel should observe similar statistics when the transmitter is sending a message and when it is not. When a sufficiently long secret key is shared between the transmitter and the receiver, we d...
The need for wireless communication systems has grown rapidly during the last few years. Moreover, there is a steady growth in the required data rates due to the fact that more and more users request high-bit-rate services. To meet those requirements, current and next-generation wireless systems and networks such as wireless LANs (e.g., IEEE 802.11a) will support much higher data rates compared...
Channel estimation via training is a common method for providing imperfect channel state information (CSI) in a network. In a relay network, imperfect CSI can be efficiently provided at the relays by sending training signals from the source and the destination nodes to the relays. Providing imperfect CSI at the destination is more challenging since each relay is required to send training signal...
The steady state throughput performance of distributed applications deployed in switched networks in presence of end-system bottlenecks is studied in this paper. The e ect of various limitations at an end-system is modelled as an equivalent transmission capacity limitation. A class of distributed applications is characterised by a static tra c distribution matrix that determines the communicati...
An accelerated method was used to determine the effect of temperature, end-of-charge voltage and the type of storage condition over the performance pouch lithium-ion cells. The cells were studied for 4.0 V and 4.2 V end-of-charge voltages (EOCV) both at 5 ◦C and 35 ◦C. The irreversible capacity loss of the cell was analyzed every month using a capacity measurement protocol. The results indicate...
Previous results have shown channel capacity of multiple-antenna array communication systems linearly scales with the number of antennas. In reality, by increasing the number of antennas within a fixed region of space the antenna array become dense and spatial correlation (non-ideal antenna placement) significantly limits the capacity. In this paper, we derive a spatial precoder which eliminate...
Management scientists state that for the purpose of surviving and developing, it is necessary to be engaged in learning forever. Learning can help' organizations with any changes, innovations, and creations. According to studies, the learning capacity in nationwide administrative organizations is rather low. In this article, first the concept and also the necessary characteristics for learning ...
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