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09/07/2023
Novel Power-Imbalanced Dense Codebooks for Reliable Multiplexing in Nakagami Channels
This paper studies enhanced dense code multiple access (DCMA) system des...
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08/25/2023
Enhancing Signal Space Diversity for SCMA Over Rayleigh Fading Channels
Sparse code multiple access (SCMA) is a promising technique for the enab...
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08/13/2023
Root Cross Z-Complementary Pairs with Large ZCZ Width
In this paper, we present a new family of cross Z-complementary pairs (C...
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04/17/2023
Sparse Complementary Pairs with Additional Aperiodic ZCZ Property
This paper presents a novel class of complex-valued sparse complementary...
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01/03/2023
Two-Dimensional Golay Complementary Array Sets With Arbitrary Lengths for Omnidirectional MIMO Transmission
This paper presents a coding approach for achieving omnidirectional tran...
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01/03/2023
OTFS-SCMA: A Downlink NOMA Scheme for Massive Connectivity in High Mobility Channels
This paper studies a downlink system that combines orthogonal-time-frequ...
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09/26/2022
New Spectrally Constrained Sequence Sets with Optimal Periodic Cross-Correlation
Spectrally constrained sequences (SCSs) play an important role in modern...
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09/05/2022
Jamming Modulation: An Active Anti-Jamming Scheme
Providing quality communications under adversarial electronic attacks, e...
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08/05/2022
A Design of Low-Projection SCMA Codebooks for Downlink Satellite Internet of Things
This paper presents a systematic investigation on codebook design of spa...
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05/17/2022
A Novel K-Repetition Design for SCMA
This work presents a novel K-Repetition based HARQ scheme for LDPC coded...
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05/04/2022
Reinforcement Learning for Improved Random Access in Delay-Constrained Heterogeneous Wireless Networks
In this paper, we for the first time investigate the random access probl...
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04/28/2022
Asymptotically Optimal Quasi-Complementary Code Sets from Multivariate Functions
Owing to the more significant set size properties as compared to the set...
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03/28/2022
A Novel Multi-Task Learning Empowered Codebook Design for Downlink SCMA Networks
Sparse code multiple access (SCMA) is a promising code-domain non-orthog...
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02/11/2022
An Improved EPA based Receiver Design for Uplink LDPC Coded SCMA System
Sparse code multiple access (SCMA) is an emerging paradigm for efficient...
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02/10/2022
Low Ambiguity Zone: Theoretical Bounds and Doppler-Resilient Sequence Design in Integrated Sensing and Communication Systems
In radar sensing and communications, designing Doppler resilient sequenc...
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12/05/2021
Designing Enhanced Multi-dimensional Constellations for Code-Domain NOMA
This paper presents an enhanced design of multi-dimensional (MD) constel...
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08/16/2021
Designing Two-Dimensional Complete Complementary Codes for Omnidirectional Transmission in Massive MIMO Systems
This paper presents an efficient construction of two-dimensional (2D) co...
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05/14/2021
A Tutorial to Sparse Code Multiple Access
Sparse Code Multiple Access (SCMA) is an enabling code-domain non-orthog...
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04/20/2021
Pseudo-Boolean Functions for Optimal Z-Complementary Code Sets with Flexible Lengths
This paper aims to construct optimal Z-complementary code set (ZCCS) wit...
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04/03/2021
Sparse Code Multiple Access for 6G Wireless Communication Networks: Recent Advances and Future Directions
As 5G networks rolling out in many different countries nowadays, the tim...
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03/27/2021
Reinforcement Learning Random Access for Delay-Constrained Heterogeneous Wireless Networks: A Two-User Case
In this paper, we investigate the random access problem for a delay-cons...
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02/21/2021
A Direct Construction of Complete Complementary Codes With Arbitrary Lengths
This paper is focused on efficient design of complete complementary code...
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12/19/2020
Perturbed Adaptive Belief Propagation Decoding for High-Density Parity-Check Codes
Algebraic codes such as BCH code are receiving renewed interest as their...
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12/14/2020
6G for Vehicle-to-Everything (V2X) Communications: Enabling Technologies, Challenges, and Opportunities
We are on the cusp of a new era of connected autonomous vehicles with un...
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12/10/2020
HpGAN: Sequence Search with Generative Adversarial Networks
Sequences play an important role in many engineering applications and sy...
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10/22/2020
Symmetrical Z-Complementary Code Sets (SZCCSs) for Optimal Training in Generalized Spatial Modulation
This paper introduces a novel class of code sets, called "symmetrical Z-...
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10/21/2020
Enhanced User Grouping and Power Allocation for Hybrid mmWave MIMO-NOMA systems
Non-orthogonal multiple access (NOMA) and millimeter wave (mmWave) are t...
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10/07/2020
Design of Power-Imbalanced SCMA Codebook
Sparse code multiple access (SCMA) is a promising multiuser communicatio...
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09/09/2020
Sparse or Dense: A Comparative Study of Code-Domain NOMA Systems
This paper is focused on code-domain non-orthogonal multiple access (CD-...
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09/08/2020
5G NR-V2X: Towards Connected and Cooperative Autonomous Driving
This paper is concerned with the key features and fundamental technology...
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03/16/2020
How to Construct Mutually Orthogonal Complementary Sets with Non-Power-of-Two Lengths?
Mutually orthogonal complementary sets (MOCSs) have received significant...
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02/17/2020
Low-PMEPR Preamble Sequence Design for Dynamic Spectrum Allocation in OFDMA Systems
Orthogonal Frequency Division Multiple Access (OFDMA) with Dynamic spect...
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11/08/2019
Optimal Z-complementary Code Set From Generalized Reed-Muller Codes
Z-complementary code set (ZCCS), an extension of perfect complementary c...
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11/08/2019
CPM Training Waveforms With Autocorrelation Sidelobes Close To Zero
Continuous phase modulation (CPM) plays an important role in wireless co...
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09/30/2019
A Survey on Resource Allocation in Vehicular Networks
Vehicular networks, an enabling technology for Intelligent Transportatio...
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09/25/2019
Power-Imbalanced Low-Density Signatures (LDS) From Eisenstein Numbers
As a special case of sparse code multiple access (SCMA), low-density sig...
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09/23/2019
Cross-Complementary Pairs for Optimal Training in Spatial Modulation over Frequency Selective Channels
The contributions of this paper are twofold: Firstly, we introduce a nov...
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09/23/2019
Low-PAPR Preamble Design for FBMC Systems
This paper presents a family of training preambles for offset QAM (OQAM)...
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09/23/2019
New Sets of Optimal Odd-length Binary Z-Complementary Pairs
A pair of sequences is called a Z-complementary pair (ZCP) if it has zer...
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06/23/2019
New Optimal Z-Complementary Code Sets from Matrices of Polynomials
The concept of paraunitary (PU) matrices arose in the early 1990s in the...
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01/16/2019