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The design of beamformers using limited channel state feedback at the transmitter for multiple-input single-output (MISO) fading channels has been extensively studied in the literature. It has been established that the limited feedback of channel state can lead to significant capacity enhancement. In this paper, it is demonstrated that the use of channel output feedback in addition to limited channel...
Communications systems operating over additive Gaussian noise channels with no feedback or ideal channel output feedback are now well studied. However, these set-ups model extreme cases and fail to provide much insight into more practical feedback systems. Therefore, in this paper, a noisy feedback communication system is considered. We study the application of linear multi-dimensional coding of the...
In certain communications systems, it is a reasonable to assume the presence of a noisy feedback channel. The ability to send data from receiver back to transmitter opens new doors in the way of modulation schemes. In this paper, we investigate the class of linear feedback encoding schemes in which the transmitter linearly encodes the feedback information along with the message to be sent. Given a...
The integration of the feedback channel into a coding scheme cannot increase capacity but still has many benefits such as higher reliability and lower complexity. In the class of linear feedback coding schemes, one of the most well-known is the Schalkwijk-Kailath coding scheme. Using the same framework, an optimized coding scheme is produced using linear algebraic tools, and this scheme is compared...
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