Based on Autler–Townes splitting and AC Stark shifts, we present a Rydberg atom-based receiver for determining the amplitude modulation (AM) frequency among wideband carrier range utilizing cesium atomic vapor cell. To verify this approach, measured signal-to-noise ratio data capacity with 10 kHz AM in from 2 GHz to 18 GHz. Without changing lasers, working band can be easily extended higher by ...

Employing low resolution analog-to-digital converters in massive multiple-input multiple-output (MIMO) has many advantages terms of total power consumption, cost and feasibility. However, such come together with significant challenges channel estimation data detection due to the severe quantization noise present. In this study, we first derive linear minimum mean-square-error estimator for cycl...

An orthogonal decomposition of a general wideband space-time multipath channel is derived assuming antenna arrays at both the transmitter and receiver. This decomposition provides a framework for efficiently managing the available space-time channel dimensions using channel state information at the transmitter and receiver. Signaling and receiver designs for high throughput applications are der...

Finite-resolution digital receiver is considered to be a potential solution to meet the severe demand of ADC that results from wideband of IR-UWB signal. However, the quantized distortion is totally different from full-resolution quantized signal. In this paper, the finite-resolution quantized signal model is derived. Based on the correlation receiver, estimation and detection performance of fi...

In this paper, we present a simple interference cancellation technique for the downlink of wideband codedivision multiple-access (WCDMA) systems in multipath environment. With the same knowledge required by a RAKE receiver, the present method acts as an equalizer and cancels the interfering multipath signals from the received signal to retrieve the orthogonality property of the received signal....