We consider the problem of transmission of information sources with memory over a broadcast channel. This is motivated by the practical application of the design of audiovisual broadcast systems for digital TV/digital radio. Using a parallel Gaussian source model and an additive white Gaussian noise broadcast channel model, we consider the problem of information source transmission with the goa...

Wireless video broadcast/multicast and mobile video communication pose a challenge to the conventional video transmission strategy (which applies separate digital source coding and digital channel coding in a point-to-point communication system), and therefore cooperative communication has been proposed to improve the received quality of the receivers with bad channels and the robustness to fad...

Hybrid analog-digital signal processing (HSP) is an enabling technology to harvest the potential of millimeter-wave (mmWave) massive-MIMO communications. In this paper, we present a general deep learning (DL) framework for efficient design and implementation HSP-based systems. Exploiting fact that any complex matrix can be written as scaled sum two matrices with unit-modulus entries, novel a...

Dual sideband (2SB) receivers are well suited for the spectral observation of complex astronomical signals over a wide frequency range. They are extensively used in radio astronomy, their main advantages being to avoid spectral confusion and to diminish effective system temperature by a factor two with respect to double sideband (DSB) receivers. Using available millimeter-wave analog technology...

In this work, the problem of transmitting an i.i.d Gaussian source over an i.i.d Gaussian wiretap channel with an i.i.d Gaussian side information available at the intended receiver is considered. The intended receiver is assumed to have a certain minimum SNR and the eavesdropper is assumed to have a strictly lower SNR, compared to the intended receiver. The objective is to minimize the distorti...

Boost converter circuits are an important component in electrical and electronic systems. Serving as energy converters, they increase the voltage of a source. In mobile devices, high voltages can be achieved in this way, with a relatively small number of accumulator cells. Without this or a similar technique, it would be difficult to supply electric cars with the necessary voltages of about 500...

A very crucial task of a Wireless Acoustic Sensor Network (WASN) is the wireless transmission of the acoustic signal to a central fusion node. The positioned microphones experience different radio channel qualities, since they may be, e.g., positioned at different distances to the fusion node. The design of the coding and modulation scheme is usually governed by the worst-case radio channel qua...

In this article, we aim to design highly energy efficient end-to-end communication for millimeter wave multiple-input multiple-output systems. This is done by jointly optimizing the digital-to-analog converter (DAC)/analog-to-digital (ADC) bit resolutions and hybrid beamforming matrices. The novel decomposition of precoder combiner three parts introduced at transmitter (TX) receiver (RX), respe...

In massive MIMO systems, hybrid beamforming is an essential technique for exploiting the potential array gain without using a dedicated RF chain for each antenna. In this work, we consider the data phase in a massive MIMO communication process, where the transmitter and receiver use fewer RF chains than antennas. We examine several different fullyand partially connected schemes and consider the...

Neural networks are suitable to resolve problems where conventional resolution methods fail. The multipliers form a basic and important block in realising a neural network and this is commonly known as “Synapse”. Their roles are to multiply an input current with trained digital weights. Several research attempts to implement synapses. Some use numeric implementation whereas others use analogue ...