Title :
Hierarchical Space Shift Keying for Unequal Error Protection
Author :
Chang, Ronald Y. ; Lin, Sian-Jheng ; Chung, Wei-Ho
Author_Institution :
Res. Center for Inf. Technol. Innovation, Taipei, Taiwan
fDate :
9/1/2012 12:00:00 AM
Abstract :
In this letter, we introduce the concept of enabling unequal error protection (UEP) with space shift keying (SSK)-type modulation that encodes the source information entirely in the antenna indices. Unique characteristics associated with SSK-type modulation as compared with conventional pulse/quadrature amplitude modulation (PAM/QAM) are discussed in the context of UEP design. Three general design concepts for two-level and three-level UEP are presented. Simulation results confirm the multilevel bit protection capabilities of the proposed hierarchical spatial constellation designs.
Keywords :
MIMO communication; modulation coding; antenna indices; hierarchical space shift keying; source information; unequal error protection; Bit error rate; Error correction codes; MIMO; Quadrature amplitude modulation; Signal to noise ratio; Wireless communication; MIMO systems; hierarchical modulation; spatial modulation; unequal error protection;
Journal_Title :
Communications Letters, IEEE
DOI :
10.1109/LCOMM.2012.070512.120242
