Antenna Pattern Shift Keying Modulation for MIMO Channels

Conference: European Wireless 2013 - 19th European Wireless Conference
04/16/2013 - 04/18/2013 at Guildford, UK

Proceedings: European Wireless 2013

Pages: 5Language: englishTyp: PDF

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Ramirez-Gutierrez, Raymundo; Zhang, Li; Elmirghani, Jaafar (School of Electronic and Electrical Engineering, University of Leeds, Leeds, UK)

Antenna pattern shift keying (APSK) modulation is a low-complexity scheme for multiple antenna wireless systems. In this paper, APSK modulation is introduced to convey information jointly by a general phase modulation, the indices of transmitter antennas and antenna beam patterns to improve the spectral efficiency and reliability while keeping the detection simple. The idea behind this transmission technique is to map the bit vector corresponding to one symbol in three information carrying blocks: the first block determines the active antenna indices, the second maps to the antenna beam patterns and the third block maps to the conventional amplitude/phase modulation (APM) symbols. APSK modulation combines two novel schemes: generalized phase spatial shift keying (GPSSK) modulation which exploits the antenna indices and the other scheme called antenna beam pattern modulation (ABPM) which uses the beam patterns to carry information. The receiver estimates these three blocks which are used to de-map the signal. The performance of this method is evaluated in terms of bit error rate (BER) and throughput.