Results 131 to 140 of about 214 (167)

A trellis-coded chaotic modulation scheme

2006 IEEE International Conference on Communications, 2006
Recently, a chaotic modulation has been proposed and attracts many researchers' attention because of some properties such as noise-like signal, nonlinearity, and pseudo-periodicity. The chaotic modulation is usually treated as a secure transmission scheme rather than an efficient scheme in terms of channel noise.
Eiji Okamoto, Yasunori Iwanami
openaire   +1 more source

Trellis-Coded Unitary Space-Time Modulation

IEEE Transactions on Wireless Communications, 2002
Space-time coding is well established for high data rate communications in wireless channels with perfect channel state information. On the other hand, the case where channel state information is unknown has received limited attention. Recently, a new signaling scheme called unitary space-time modulation has been proposed for the latter case.
Israfil Bahceci, Tolga M. Duman
openaire   +3 more sources

Trellis coding for spatial modulation

2011 IEEE 19th Signal Processing and Communications Applications Conference (SIU), 2011
In this study, by combining trellis coding with spatial modulation (SM), a new multiple-input multiple output (MIMO) communication scheme called trellis coded spatial modulation (TC-SM) is proposed. For uncorrelated Rayleigh fading channels, code design criteria are given by deriving pairwise error probability (PEP) of this system, in which a trellis ...
Ertugrul Basar, Umit Aygolu, Erdal Panayirci, H. Vincent Poor   +3 more
openaire   +1 more source

Turbo trellis-coded spatial modulation

2012 IEEE Global Communications Conference (GLOBECOM), 2012
In this paper, a turbo trellis-coded spatial modulation (TTCSM) transmission scheme is proposed. In trellis-coded spatial modulation (TCSM) scheme, the information bits used to select the transmit antenna index are encoded. In order to increase the performances of the TCSM scheme, a parallel concatenated encoding scheme can be used. Therefore, the TCSM
openaire   +1 more source

Phase ambiguity resolution in trellis-coded modulations

IEEE Transactions on Communications, 1990
A rotation detection algorithm for solving the phase ambiguity problem in trellis-coded modulations is proposed. This algorithm is simple to implement and may be an efficient alternative to rotationally invariant codes. Its performance has been investigated by simulation and appears promising. >
U. Mengali, A. Sandri, SPALVIERI, ARNALDO   +2 more
openaire   +2 more sources

Efficient performance computations for trellis-coded modulation

IEEE Transactions on Communications, 1999
Summary: The algorithm given by \textit{M. Rouanne} and \textit{D. J. Costello} [IEEE J. Sel. Areas Commun. 7, 929-940 (1989; Zbl 0709.94005)] for the computation of the distance spectrum is improved for trellis-coded modulation schemes having uncoded bits, i.e., for trellis diagrams having parallel paths.
Abou Rajab, H, Yücel, MD
openaire   +4 more sources

The performance of trellis-coded modulation

TENCON'92 - Technology Enabling Tomorrow, 2003
Trellis-coded modulation (TCM) in an 8-PSK (phase shift keying) scheme is more power efficient than uncoded QPSK at the same spectral efficiency on perfect coherent detection. For the same signal-to-noise ratio (SNR) of phase reference, the sensitivity to phase offset for 8-PSK is more serious than for uncoded QPSK.
openaire   +1 more source

Improved codes for space-time trellis-coded modulation

IEEE Communications Letters, 2000
Gerhard Bauch
exaly  

Performance evaluation of trellis-coded modulation schemes

Proceedings of the IEEE, 1994
G Montorsi, S Benedetto
exaly  

Noncoherent-coded modulation constructed from conventional trellis-coded modulation

IEEE Communications Letters, 1998
Mao-Chao Lin, Ruey-Yi Wei
exaly