3 edition of Multi-dimensional modulation codes for fading channel found in the catalog.
Multi-dimensional modulation codes for fading channel
by National Aeronautics and Space Administration, National Technical Information Service, distributor in [Washington, DC, Springfield, Va
Written in English
|Series||NASA contractor report -- NASA CR-188959.|
|Contributions||United States. National Aeronautics and Space Administration.|
|The Physical Object|
Performance Investigation for Different Modulation Techniques in WCDMA with Multipath Fading Channels Sakshi Gupta, Himanshu Sharma MMEC, Mullana University Ambala, India Abstract: The technology needed to tackle the challenges to make services like . Adaptive Multidimensional Coded Modulation Over Flat Fading Channels Kjell J. Hole, Member, IEEE, Henrik Holm, Student Member, IEEE, and Geir E. Øien Abstract—We introduce a general adaptive coding scheme for Nakagami multipath fading channels. An instance of the coding scheme utilizes a set of 2-dimensional (2-D) trellis codes orig-.
History of coding theory. In , Claude Shannon published "A Mathematical Theory of Communication", an article in two parts in the July and October issues of the Bell System Technical work focuses on the problem of how best to encode the information a sender wants to transmit. In this fundamental work he used tools in probability theory, developed by Norbert Wiener, . Multi-dimensional mapping over groups of subcarriers, called subcarrier mapping, is proposed and investigated for bit-interleaved coded in OFDM with iterative decoding (BI-COFDM-ID) over correlated frequency-selective Rayleigh fading channels.
Abstract — In this paper we investigate the performance of an adaptive coded modulation (ACM) system in single-input multiple-output Rayleigh fading channels with spatial correla-tion. The considered ACM system has a set of multi-dimensional trellis codes from which it can adaptively select the code best suited to the channel quality. The clear, easy-to-understand introduction to digital communications Completely updated coverage of today's most critical technologies Step-by-step implementation coverage Trellis-coded modulation, fading channels, Reed-Solomon codes, encryption, and more Exclusive coverage of maximizing performance with advanced "turbo codes" "This is a remarkably comprehensive treatment of the field 4/5(4).
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We have proposed two classes of multi-dimensional trellis codes for fading channels. One is based on a new M-way set partition chain for the L × 3/PSI((L _.
fading channel multi-dimensional modulation code good performance product distance decoding scheme new code new m-way partition chain desired parameter multi-level code partition level performance degradation symbol distance partition chain signal set large symbol distance intra-set distance asymptotical optimum code rician fading channel suboptimum decoding.
Some new codes are presented which have good performance on Rician fading channel with small decoding complexities. A new M-way partition chain is proposed for the L x MPSK (L less than or equal to M) signal set which maximizes the intra Author: Shu Lin, Jiantian Wu.
Based on this partition chain, a class of asymptotical optimum codes has heen found. For M = 4, these codes have both large symbol distances and product distances. Multi-level coding scheme allows us to construct Multi-dimensional modulation codes for fading channel book code by hand such that the code meets some desired parameters, e.g., symbol distance, product distance, : and Shu LinJiantian Wu and Shu Lin.
Multi-dimensional modulation codes for fading channel. By Shu Lin and Jiantian Wu. Abstract. Some new codes are presented which have good performance on Rician fading channel with small decoding complexities.
A new M-way partition chain is proposed for the L x MPSK (L less than or equal to M) signal set which maximizes the intra-set distance Author: Shu Lin and Jiantian Wu.
A multi-dimensional non-binary ring trellis coded modulation (R-TCM) scheme suitable for fading channels which is superior to conventional binary TCM is considered. This is a preview of subscription content, log in to check : M. Ahmadian-Attari, Patrick G.
Farrell. Coded-Modulation Techniques for Fading Channels provides the reader with a sound background for the application of bandwidth-efficient coded-modulation techniques in fading channels. The book systematically presents recent developments in the field, which has grown rapidly in recent years.
The book contains a page chapter on the unified treatment of all block codes in the context of high-flexibility, cutting-edge irregular Linear Dispersion Codes (LDC), which approach the MIMO. Space Modulation Techniques is an ideal book for professional and academic readers that are active in the field of SMT MIMO systems.
Author Bios Raed Mesleh, PhD, works in the Electrical and Communications Engineering Department, School of Electrical Engineering and Information Technology, German Jordanian University in Amman, Jordan. BPSK Modulation over Rayleigh and AWGN channel Matlab Code: Check this book for full Matlab code.
Simulation of Digital Communication Systems Using Matlab – by Mathuranathan Viswanathan. Simulation Results: The Simulated and theoretical performance curves (Eb/N0 Vs BER) for BPSK modulation over Rayleigh Fading channel and the AWGN is given below.
trellis code is designed to maximum the Euclidean distance between code sequences transmitted on the channel. Divsalar and Simon studied the TCM on fading channel.
They found that the design criteria of codes for fading channel is different from that for AWGN channel. Similar results have been obtained by others . In this paper, we investigate multi-dimensional trellis codes for fading chalanel. Get this from a library. Multi-dimensional modulation codes for fading channel.
Coset codes are a natural choice to use with adaptive modulation since the channel coding and modulation designs are separable.
Therefore, trellis and lattice codes designed for additive white Gaussian noise (AWGN) channels can be superimposed on adaptive modulation for fading channels Cited by: Coded-Modulation Techniques for Fading Channels provides the reader with a sound background for the application of bandwidth-efficient coded-modulation techniques in fading channels.
The book systematically presents recent developments in the field, which has grown rapidly in recent years, and. Multi-dimensional (MD) mapping offers more flexibility in mapping design for bit-interleaved coded modulation with iterative decoding (BICM-ID) and potenti Novel Method for Multi-Dimensional Mapping of Higher Order Modulations for BICM-ID Over Rayleigh Fading Channels - IEEE Journals & MagazineCited by: 1.
26 Differential Shift Keying is a modulation technique that codes information by using the phase difference between two neighboring symbols. In the transmitter, each symbol is modulated relative to the previous symbol and modulating signal, for instance in BPSK 0 represents no change and 1 represents + Size: KB.
BER versus SNR to compare between AWGN channel and Rayleigh fading channel for different number of user for QPSK modulation technique. Scope of Work This research thesis is based on study and simulation using scientific computer simulation software, MatLab The simulation will. The modulation methods chosen for this paper are: Binary phase shift keying (BPSK), Quadrature phase shift keying (QPSK), M-ary phase shift keying (8PSK) and M- Quadrature amplitude modulation (M-QAM).
Figure BER performance of BPSK for Rayleigh fading Figure BER performance of QPSK for Rayleigh fading. Fading channels – Rayleigh Fading. In a wireless communication channel, the transmitted signal can travel from transmitter to receiver over multiple reflective paths.
This gives rise to multipath fading which causes fluctuations in amplitude, phase and angle of arrival of the received signal.
Turbo coding has opened an exciting new chapter in the design of iterative detection assisted communication systems. Similar dramatic advances have been achieved with the advent of space time coding, when communicating over dispersive fading wireless channels.Quadrature Amplitude Modulation: From Basics to Adaptive Trellis-Coded, Turbo-Equalised and Space-Time Coded OFDM, CDMA and MC-CDMA Systems by L.
Hanzo, S.X. Ng, T. Keller, W.T. Webb.Low-density parity-check (LDPC) codes are a class of linear block code capable of performing extremely close to the capacity of a channel as defined by Shannon. The purpose of this chapter is to provide an overview of the basic ideas, as well as the main results, in the field of LDPC code construction.