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A Generic Complementary Sequence Construction and Associated Encoder/Decoder Design
[article]
2021
arXiv
pre-print
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It also leads to a low peak-to-mean-envelope-power ratio (PMEPR) multiple accessing scheme in the uplink and a low-complexity recursive decoder. ...
The proposed construction shows that a set of distinct CSs compatible with non-contiguous resource allocations for orthogonal frequency-division multiplexing (OFDM) and various constellations can be synthesized ...
Encoder/decoder for CSs with an ESC: We develop a generic encoder and maximum-likelihood (ML)-based decoder for CSs with ESC. ...
arXiv:1810.02383v3
fatcat:co7i77wqqbbtvf4xtueeiooyuq
A new construction of 16-QAM golay complementary sequences
2003
IEEE Transactions on Information Theory
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When employed as a code in an orthogonal frequency-division multiplexing (OFDM) system; this set of sequences has a peak-to-mean envelope power ratio (PMEPR) of 3 6. ...
We present a new construction of 16-QAM Golay sequences of length = 2 . The number of constructed sequences is (14 + 12 )( ! 2)4 +1 . ...
The classification of these sequences and their realization as OFDM QAM codes with low encoding/decoding complexities remains an interesting open problem. ...
doi:10.1109/tit.2003.818418
fatcat:m4qersuobbf4ve6m2eklreia3m
Generalized Reed-Muller codes and power control in OFDM modulation
2000
IEEE Transactions on Information Theory
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In many low-cost applications the drawbacks of high PMEPR outweigh all the potential bene ts of OFDM systems. ...
practical application of OFDM in low-cost applications. ...
My thanks also go to Alan Jones and Tim Wilkinson for providing the engineering motivation for this work and for patiently explaining practical aspects of OFDM systems. ...
doi:10.1109/18.817512
fatcat:eqelkni23zamhp2kv35srtpqii
Encoding and Decoding with Partitioned Complementary Sequences for Low-PAPR OFDM
[article]
2021
arXiv
pre-print
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multiplexing (OFDM) symbols. ...
We show that partitioning can increase the spectral efficiency (SE) without changing the alphabet of the nonzero elements of the CS, i.e., standard CSs relying on Reed-Muller (RM) code. ...
One drawback of the code proposed in [5] is the low spectral efficiency (SE). ...
arXiv:2109.07433v1
fatcat:4awjgb64ajhc7nbtmiqczcrlcu
Broadband wireless communications: issues of OFDM and multi-code CDMA
2017
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However, this failure motivates algebraic encoding/decoding for such block codes. To this end, progress has been made on several fronts. ...
Chong and Tarokh [168] proposed a coding scheme for QPSK-OFDM by exploiting QPSK as a ing and the PAR is also limited to 6 dB. This approach is extended to 16-QAM case in [169] . ...
Chapter 7 PAR Reduction for Multi-Code CDMA This chapter presents the analysis of peak-to-average power ratio (PAR) problem in multi-code code division multiple access (multi-code CDMA) systems. ...
doi:10.4225/03/59d44a3a9aa1b
fatcat:kvm7255cy5b3zmekpjr6wyc4w4