Abstract | ||
---|---|---|
For multi-level modulation methods, rotation of the signal constellation together with in-phase and quadrature phase channel interleaving (signal space diversity) are known to provide good performance gains over fading channels. This paper studies the extension of such schemes with a low density parity check (LDPC) code. It is shown that for both coded and uncoded Gray-mapped MPSK modulation formats with signal space diversity on a Rayleigh fading channel, a well-considered choice of the rotation angle may lead to a significant gain over the conventional unrotated constellation. However, the optimum rotation angle for the coded scheme may be different from the corresponding optimization angle of the uncoded scheme. |
Year | DOI | Venue |
---|---|---|
2007 | 10.1109/WCNC.2007.130 | 2007 IEEE WIRELESS COMMUNICATIONS & NETWORKING CONFERENCE, VOLS 1-9 |
Keywords | Field | DocType |
fading,fading channel,low density parity check,constellation diagram,awgn,space technology,ldpc code,wireless communication,euclidean distance,phase shift keying | Antenna diversity,Rayleigh fading,Telecommunications,Low-density parity-check code,Fading,Computer science,Algorithm,Modulation,Real-time computing,Constellation diagram,Interleaving,Phase-shift keying | Conference |
ISSN | Citations | PageRank |
1525-3511 | 8 | 0.65 |
References | Authors | |
9 | 4 |
Name | Order | Citations | PageRank |
---|---|---|---|
Nauman F. Kiyani | 1 | 55 | 7.58 |
Umar H. Rizvi | 2 | 38 | 4.18 |
Jos H. Weber | 3 | 257 | 51.13 |
Gerard J. M. Janssen | 4 | 73 | 19.73 |