Title :
Unitary space-time codes from group codes: permutation codes variant II
Author :
Niyomsataya, Terasan ; Miri, Ali ; Nevi, Monica
Author_Institution :
Sch. of Inf. Technol. & Eng., Ottawa Univ., Ont., Canada
Abstract :
Space-time coding was developed for use in multiple-antenna wireless communications to achieve high data rate and low error probability. The design of a full diversity space-time code with high coding gain and simple encoding-decoding algorithm poses a particularly challenging problem. In this paper, we present new full diversity unitary constellations, based on permutation codes variant II for differential unitary space-time modulation with two transmitter antennas. Simulations show that the proposed constellations have excellent performance at high signal-to-noise ratio, and also outperform constellations obtained from the dicyclic group, cyclic group, orthogonal design, parametric code and numerical method.
Keywords :
diversity reception; fading channels; group codes; space-time codes; 4D permutation codes; coding gain; cyclic group; dicyclic group; differential unitary space-time modulation; fading channels; full diversity space-time code; full diversity unitary constellations; group codes; high data rate communications; low error probability communications; multiple transmitter antennas; multiple-antenna wireless communications; orthogonal design; parametric code; simple encoding-decoding algorithm; unitary space-time codes; variant II permutation codes; Algorithm design and analysis; Constellation diagram; Error probability; Modulation coding; Signal design; Signal to noise ratio; Space time codes; Transmitters; Transmitting antennas; Wireless communication;
Conference_Titel :
Electrical and Computer Engineering, 2004. Canadian Conference on
Print_ISBN :
0-7803-8253-6
DOI :
10.1109/CCECE.2004.1345108