In an update posted on Telegram, Kharkiv's mayor Ihor Terekhov says the number of people injured by strikes on the city overnight has risen to 21. He says this includes a one-and-a-half month old ...

A simple half-duplex decode-and-forward relay channel is presented and analyzed. Relays access the common channel by means of a randomized linear-dispersion space-time block code which is flexible ...

Data transmission techniques in wireless relay networks can be improved in terms of energy-efficiency (EE), throughput and complexity. In this paper we propose an energy-efficient distributed ...