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http://dx.doi.org/10.7840/kics.2015.40.3.425

OFDM Transmission Method Based on the Beam-Space MIMO System  

Choi, Jinkyu (Smart Radio Research Team, Electronics and Telecommunications Research Institute)
An, Changyoung (Department of electronics engineering, Chungbuk National University)
Ryu, Heung-Gyoon (Department of electronics engineering, Chungbuk National University)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.40, no.3, 2015 , pp. 425-431 More about this Journal
Abstract
Beamspace Multiple-Input Multiple Output(MIMO) system can transmit multiple data by using Electronically Steerable Parasitic Array Radiator(ESPAR) antenna which has single Radio Frequency(RF)-chain. Beamspace MIMO system can reduce complexity of the system and size of antenna in comparison with the conventional MIMO system because of characteristic of ESPAR antenna using the single antenna and the RF-chain. Heretofore, only the research of transmitting single-carrier has been conducted by the use of beamspace MIMO system. Therefore, in this paper, we propose beamspace MIMO system based on Orthogonal Frequency Division Multiplexing(OFDM) for transmitting the multi-carrier and analysis the performance of this system. We find a proper reactance value which has good performance because proposed system changes the performance by the reactance values of parasitic elements. and we confirm that performance of the proposed system is similar to conventional MIMO system based on OFDM.
Keywords
Beamspace MIMO; OFDM; ESPAR Antenna; Single RF-Chain; Parasitic Element;
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