Title :
Prototyping and performance evaluation of TDD-based 2×2 MIMO-OFDM transceiver
Author :
Mitsuyama, Kazuhiko ; Kogo, Naoto ; Uzawa, Fumiki ; Iai, Naohiko
Author_Institution :
Sci. & Technol. Res. Labs., Japan Broadcasting Corp. (NHK), Tokyo, Japan
Abstract :
We have been developing a new wireless link that enables quick transmission of file-based video resources for news programmes. Since the transmission distance we assume ranges widely from less than 1 km to as far as 50 km, it is necessary to have efficient transmission timing control in duplex communication based on TDD. In order to enhance the transmission capacity in line-of-sight environments, it is useful to introduce a MIMO technique that exploits dual-polarized antennas and a multilevel modulation scheme such as 128 QAM and 256 QAM. In this paper, we describe the prototype TDD-based 2×2 MIMO-OFDM transceiver and its performance evaluation in wired and radio transmission experiments.
Keywords :
MIMO communication; OFDM modulation; quadrature amplitude modulation; radio transceivers; synchronisation; telecommunication control; time division multiplexing; video communication; MIMO technique; QAM; TDD-based MIMO-OFDM transceiver; dual-polarized antennas; duplex communication; file-based video resources; line-of-sight environments; multilevel modulation scheme; news programmes; radio transmission experiments; time division duplex; transmission capacity; transmission distance; transmission timing control; wired transmission experiments; wireless link; Baseband; MIMO; Propagation delay; Prototypes; Quadrature amplitude modulation; Timing; Transceivers; 256 QAM; MIMO-OFDM; TDD; prototyping; transmission timing control;
Conference_Titel :
Radio and Wireless Symposium (RWS), 2014 IEEE
Conference_Location :
Newport Beach, CA
Print_ISBN :
978-1-4799-2298-7
DOI :
10.1109/RWS.2014.6830077
