Zobrazeno 1 - 10
of 45
pro vyhledávání: '"Ming Chien Tseng"'
Publikováno v:
Optical and Quantum Electronics. 52
In the work, we propose and investigate a real-time optical wireless communication (OWC) system with 1 Gbps on–off keying (OOK) traffic rate for indoor and outdoor transmissions. Here, 1 Gbps OWC traffic with error-free operation can be achieved in
Autor:
Chi-Wai Chow, Bo Shen Guo, Ruei Bin Chen, Yao Jen Chang, Chien-Hung Yeh, Chong Sin Gu, Ming Chien Tseng
Publikováno v:
Journal of Optics. 20:125702
In this paper, we propose and demonstrate a free space optical (FSO) communication system with 10 Gbit s−1 on-off keying traffic, which is integrated in a passive optical network (PON) for broadcasting wireless data. After a transmission distance o
Publikováno v:
IEEE Transactions on Broadcasting. 58:472-479
In time-varying channel, the Doppler effect destroys the subcarrier orthogonality of orthogonal frequency-division multiplexing (OFDM) system which leads inter-carrier interference (ICI). This paper presents a time domain ICI self-cancellation method
Publikováno v:
IEEE Transactions on Broadcasting. 54:62-69
Based on the standard of digital audio broadcasting (DAB) Eureka 147 system to improve structures of transmitter/receiver, this paper proposes a physical layer transmission technique capable of boosting the spectrum efficiency up to two times of that
Publikováno v:
International Journal of Satellite Communications and Networking. 24:23-34
The conventional wireless communication systems are designed to overcome the worst-case channel, using the huge amount of redundant bits to assure communications performance and quality of services. Those systems cannot achieve the optimum spectrum a
Publikováno v:
PIMRC
Through the wide deployment of high-speed rails around the world, multimedia services on high-speed trains will be highly demanded in the near future. However, network round trip time and packet loss rate for high-speed rail reception are much higher
Publikováno v:
MobiSys
In Taiwan, because of the Doppler effects and tunnel shading, it is difficult to smoothly receive a live DVB-T channel inside a high-speed train by a laptop equipped with an ordinary DVB-T USB dongle. For providing live TV services inside a high-spee
Publikováno v:
VTC Spring
Radio-over-fiber (RoF) is a promising technology for railway communication systems. The base station (BS) transmits to and receives from the mobile station (MS) through geographically distributed remote antenna units (RAU), which are individually con
Publikováno v:
2012 IEEE 3rd International Conference on Photonics.
A low-cost radio-over-fiber (RoF) based integrated transmission of long term evolution (LTE) and worldwide interoperability for microwave access (WiMAX) signals is proposed to solve the shadowing effect of building envelopes and the complexity of tra
Autor:
Ming-Hung Cheng, Ming-Chien Tseng
Publikováno v:
Proceedings of the 2012 IEEE International Symposium on Antennas and Propagation.
This paper presents the fading characteristics for wireless communication system in the 2.5GHz band over THSR environment. Based on measurement results, we propose the propagation model and conduct a field trial to investigate the effects of Mobile W