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On the Capacity and Performance of Generalized Spatial Modulation

Narasimhan, Lakshmi T and Chockalingam, A (2016) On the Capacity and Performance of Generalized Spatial Modulation. In: IEEE COMMUNICATIONS LETTERS, 20 (2). pp. 252-255.

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Official URL: http://dx.doi.org/10.1109/LCOMM.2015.2497255


Generalized spatial modulation (GSM) uses N antenna elements but fewer radio frequency (RF) chains (R) at the transmitter. In GSM, apart from conveying information bits through R modulation symbols, information bits are also conveyed through the indices of the R active transmit antennas. In this letter, we derive lower and upper bounds on the the capacity of a (N, M, R)-GSM MIMO system, where M is the number of receive antennas. Further, we propose a computationally efficient GSM encoding method and a message passing-based low-complexity detection algorithm suited for large-scale GSM-MIMO systems.

Item Type: Journal Article
Additional Information: Copy right for this article belongs to the IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 445 HOES LANE, PISCATAWAY, NJ 08855-4141 USA
Keywords: GSM-MIMO capacity; GSM encoding; combinadics; low-complexity detection; message passing
Department/Centre: Division of Electrical Sciences > Electrical Communication Engineering
Date Deposited: 02 Apr 2016 07:24
Last Modified: 02 Apr 2016 07:24
URI: http://eprints.iisc.ac.in/id/eprint/53559

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