نتایج جستجو برای: cancellation
تعداد نتایج: 11349 فیلتر نتایج به سال:
In this work, a linear DS-CDMA receiver utilizing soft feedback interference cancellation, is analyzed. To be able to meet diverse QoS requirements, we introduce a power control scheme that takes into account multi-QoS objectives, as well as the impact of imperfect interference cancellation. Our results are general and provide a framework for capacity comparison for many proposed linear success...
The performance of Time Warp parallel discrete event simulators can be a ected by the cancellation strategy used to send anti-messages. Under aggressive cancellation, anti-message generation occurs immediately after a straggler message is detected. This results in quick termination of potentially incorrect computations (event processing) when out-of-order event processing occurs. In contrast, l...
Successive interference cancellation (SIC) is a promising practical scheme for increasing the capacity of CDMA systems. The interference cancellation is never perfect, and the residual cancellation errors propagate because of the successive nature of the decoding. In fact, these residual errors are the principle capacity-limiting issue in SIC systems. Until now, the statistics of these errors h...
Interference cancellation is widely used in a number of application such as acoustic and speech signal processing, data communication, biological signal acquisition etc. Many papers with different approaches have been reported to cancel interferences in biosignals. This paper provides a survey of existing methods for interference cancellation in ECG signal, FECG signal, EEG signal, and EMG sign...
Crosstalk cancellation plays an important role in displaying binaural signals with loudspeakers. It aims to reproduce binaural signals at a listener’s ears via inverting acoustic transfer paths. The crosstalk cancellation filter should be updated in real time according to the head position. This demands high computational efficiency for a crosstalk cancellation algorithm. To reduce the computat...
Polar codes under successive cancellation decoding proposed by Ar{\i}kan provably achieve the symmetric capacity of any given binary-input discrete memoryless channel. The successive cancellation list decoder for polar codes was described by Tal and Vardy as a generalization of the successive cancellation decoder of Ar{\i}kan. The performance of the successive cancellation list decoder is encou...
Successive interference cancellation techniques have the potential to reduce the interference and therefore increase the capacity of cellular radio systems. In this work, we analyze a linear DS-CDMA receiver utilizing soft feedback interference cancellation. To be able to meet diverse QoS requirements, we introduce a power control scheme that takes into account heterogeneous service levels as w...
Co-site interference is a problem found everywhere from wireless systems and environmental sensors to military communications; it refers to the difficulty of extracting or detecting a weak signal in proximity to a strong transmitter. Traditional interference cancellation techniques are electronics-based and their performance is consequently bandwidthlimited; electronic interference cancellation...
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