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Abstract In this paper, multi-antenna transceiver for zero-padded orthogonal frequency division multiplexing (OFDM) system is designed at mmWave by integrating full-duplex unmanned aerial vehicle (UAV) into the terrestrial cellular networks. Assuming that there exist no direct communication links between the ground base station (GBS) and the mobile users due to unexpected blockages from high storied buildings in urban area, the UAV applies decode-and-forward cooperative strategy on the received OFDM signals transmitted from GBS and re-transmits to the ground mobile users and passive eavesdrop...

Philips TV Tuner History pt5 Competition and Growth Introduction We have reached the end of the 1980s, probably the turning point in the Philips Tuner history. On the one hand the business has been doing well: constant consolidation of (mainly European and US) competitors has substantially increased the market share and volumes, making it one of the global top3 tuner makers. However, in parallel the emergence of Japanese competition has made the business environment increasingly harsh, with a serious pressure on profitability and thus cost. Although Philips with its UV800 tuner family has pro...