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Hardware-Based Linear Program Decoding with the Alternating Direction Method of Multipliers

Mitchell Wasson, Mario Milicevic, Stark Draper, Patrick G. Gulak
2019 IEEE Transactions on Signal Processing  
This thesis is concerned with the hardware implementation of Linear Program (LP) decoding for Low-Density Parity-Check (LDPC) codes.  ...  This work expands upon the ADMM decomposition of LP decoding, and a hardware-based LP decoder is implemented.  ...  Code Design Another avenue of research is code design for LP decoding. Techniques like density evolution provide tools for designing good LDPC codes for BP decoding [10] .  ... 
doi:10.1109/tsp.2019.2929944 fatcat:h7yprh5yd5fshhthnsslmckrc4

Hardware-Based Linear Program Decoding with the Alternating Direction Method of Multipliers [article]

Mitchell Wasson, Mario Milicevic, Stark C. Draper, Glenn Gulak
2016 arXiv   pre-print
Furthermore, we present results for a fixed-point Verilog implementation of ADMM-LP decoding.  ...  We present a hardware-based implementation of Linear Program (LP) decoding for binary linear codes. LP decoding frames error-correction as an optimization problem.  ...  HARDWARE ARCHITECTURE In this section, we build upon well-known hardware architectures for message-passing decoders in the design of a hardware-based ADMM-LP decoder implementation.  ... 
arXiv:1611.05975v1 fatcat:bl6bbnsan5fv7i5obx3ro7vnii

Hardware-Based ADMM-LP Decoding [article]

Mitchell Wasson, Mario Milicevic, Stark C. Draper, Glenn Gulak
2016 arXiv   pre-print
While our previous implementation was in floating point, in this paper we report initial results of a fixed-point, hardware-based realization of our ADMM-LP decoder.  ...  In earlier work, we showed that by drawing on decomposition methods from optimization theory, specifically the alternating direction method of multipliers (ADMM), we could build an LP decoding solver that  ...  This similarity allows us to build upon well-known hardware architectures used for BP decoders in the design of a hardware-based ADMM-LP decoder implementation.  ... 
arXiv:1605.06134v1 fatcat:ab36nwx6uzg4tofwb26xbfhdi4

LP-decodable multipermutation codes [article]

Xishuo Liu, Stark C. Draper
2015 arXiv   pre-print
Regarding decoding algorithms, we propose an efficient distributed decoding algorithm based on the alternating direction method of multipliers (ADMM).  ...  Based on this algorithm, we develop an encoding algorithm for a code proposed by Shieh and Tsai, a code that falls into our class of LP-decodable multipermutation codes.  ...  This means that each codeword is of length 12 and that bounded distance decoding can correct 1 error in the Chebyshev  ... 
arXiv:1507.07628v1 fatcat:kz6liydok5fv3ctfzsccg4zhza

Low-Complexity OFDM Spectral Precoding [article]

Shashi Kant, Gabor Fodor, Mats Bengtsson, Bo Göransson, Carlo Fischione
2019 arXiv   pre-print
Based on these solutions, we develop three specialized first-order low-complexity algorithms, based on 1) projection on convex sets and 2) the alternating direction method of multipliers.  ...  This paper proposes a new large-scale mask-compliant spectral precoder (LS-MSP) for orthogonal frequency division multiplexing systems.  ...  based HARQ max transmissions 4 (3 max retransmissions with rv {0, 2, 3, 1}) Other Information LDPC encoder & decoder; no other impairments selected for the OOBE suppression.  ... 
arXiv:1905.06667v1 fatcat:4w6wwhfbw5gljkawqsyc7yxuwe

2019 Index IEEE Transactions on Communications Vol. 67

2019 IEEE Transactions on Communications  
., +, TCOMM Aug. 2019 5618-5628 Thresholds of Absorbing Sets Under Scaled Min-Sum LDPC Decoding. Ferrari, M., +, TCOMM Oct. 2019 6643-6651 Throughput-Based Design for Polar-Coded Modulation.  ...  ., +, TCOMM Nov. 2019 7405-7416 Thresholds of Absorbing Sets Under Scaled Min-Sum LDPC Decoding. Ferrari, M., +, TCOMM Oct. 2019 6643-6651 Throughput-Based Design for Polar-Coded Modulation.  ...  S Satellite antennas On the Performance of LMS  ... 
doi:10.1109/tcomm.2019.2963622 fatcat:qd6so3reavde3eiukfknmpbfsu

2019 Index IEEE Transactions on Signal Processing Vol. 67

2019 IEEE Transactions on Signal Processing  
., +, TSP May 15, 2019 2580-2594 Hardware description languages Hardware-Based Linear Program Decoding With the Alternating Direction Method of Multipliers.  ...  ., +, TSP Oct. 1, 2019 4976-4991 Joint Decoder Design for SSDs.  ...  M Machine bearings Quickest Change Detection in the Presence of a Nuisance Change. Lau, T.S., +, TSP Oct. 15  ... 
doi:10.1109/tsp.2020.2968163 fatcat:dvvpqntb2rc2bjed5nnk4xora4

Implementation of Fog computing for reliable E-health applications

Razvan Craciunescu, Albena Mihovska, Mihail Mihaylov, Sofoklis Kyriazakos, Ramjee Prasad, Simona Halunga
2015 2015 49th Asilomar Conference on Signals, Systems and Computers  
An important aspect is robust and resource efficient preamble design to minimize missed detection and false alarm probabilities of service requests.  ...  Specifically, we introduce a concept for sparse joint activity, channel and data detection in the context of the Coded ALOHA (FDMA) protocol.  ...  (LDPC) decoders.  ... 
doi:10.1109/acssc.2015.7421170 dblp:conf/acssc/CraciunescuMMKP15 fatcat:qm6mki5z6bcvrfimkmqjyrxaxm

Ping-pong beam training for reciprocal channels with delay spread

Elisabeth de Carvalho, Jorgen Bach Andersen
2015 2015 49th Asilomar Conference on Signals, Systems and Computers  
and (iii) a feasibility study on a hardware testbed.  ...  We address the problem of designing a waveform for Multiple-Input Multiple-Output (MIMO) radar under the constant modulus and the waveform similarity constraints.  ...  LDPC) decoders.  ... 
doi:10.1109/acssc.2015.7421451 dblp:conf/acssc/CarvalhoA15 fatcat:mqokuvnh3zg45licnfbgxyvxfu

Welcome Messages

2019 2019 International Symposium on Intelligent Signal Processing and Communication Systems (ISPACS)  
This paper proposes a novel power allocation scheme for MU-MIMO systems, which minimizes the variance of channel capacities of each spatial stream of all users to achieve user fairness in terms of video  ...  The database along with its source code will be made open source for the research and academic purpose.  ...  G polar T inner H T ldpc = 0 (1) In order to decode the received sequence using BP decoding of LDPC code, the condition of (1) must be satisfied. Consider the polar code of R = 1/2.  ... 
doi:10.1109/ispacs48206.2019.8986291 fatcat:gu4zaxsqkncp5n2ebj5fybk7ce

Robust Symbol Detection in Large-Scale Overloaded NOMA Systems

Hiroki Iimori, Giuseppe Thadeu Freitas de Abreu, Takanori Hara, Koji Ishibashi, Razvan-Andrei Stoica, David Gonzalez G., Osvaldo Gonsa
2021 IEEE Open Journal of the Communications Society  
We present a framework for the design of low-complexity and high-performance receivers for multidimensional overloaded non-orthogonal multiple access (NOMA) systems.  ...  information (CSI), and hardware impairments, thus yielding the Robust Iterative Discrete Least Square (IDLS) algorithm.  ...  ACKNOWLEDGMENT The authors are indebted to the anonymous reviewers and the editor for their valuable suggestions and comments, which helped us improve the quality of the article.  ... 
doi:10.1109/ojcoms.2021.3064983 fatcat:blj4u4gounalpbgxc5y5qore2q

A Journey from Improper Gaussian Signaling to Asymmetric Signaling

Sidrah Javed, Osama Amin, Basem Shihada, Mohamed-Slim Alouini
2020 IEEE Communications Surveys and Tutorials  
The journey begins from the design of improper Gaussian signaling in the interference-limited communications and leads to a more elaborate and practically feasible asymmetric discrete modulation design  ...  Interestingly, introducing asymmetry and adjusting the transmission parameters according to some design criterion render optimal performance without affecting the bandwidth or power requirements of the  ...  Unlike the contributions which propose modulation specific designs, [29] and [216] propose asymmetric constellation design based on the minimum Euclidean distance aiming at minimizing the maximum PEP  ... 
doi:10.1109/comst.2020.2989626 fatcat:zyno7ku6n5eqnp6rrcopczb4qu

A Systematic Review on NOMA Variants for 5G and Beyond

Ishan Budhiraja, Neeraj Kumar, Sudhanshu Tyagi, Sudeep Tanwar, Zhu Han, Doug Young Suh, MD. Jalil Piran
2021 IEEE Access  
Finally, the information received at the decoder is returned to the ESE module for symbol detection. III.  ...  In [283] , by assuming the perfect SIC decoding order, an effective second-order cone programming (SOCP)alternating direction method of multipliers (ADMM) based algorithm was proposed for the MISO IRS-NOMA  ... 
doi:10.1109/access.2021.3081601 fatcat:mzmmr3km5zehhh3fnupyelfo3e

Rate-Splitting Multiple Access: Fundamentals, Survey, and Future Research Trends [article]

Yijie Mao, Onur Dizdar, Bruno Clerckx, Robert Schober, Petar Popovski, H. Vincent Poor
2022 arXiv   pre-print
Rate-splitting multiple access (RSMA) has emerged as a novel, general, and powerful framework for the design and optimization of non-orthogonal transmission, multiple access (MA), and interference management  ...  strategies for future wireless networks.  ...  For all applications listed in Section II, there are numerous open problems in the categories of PHY layer design (such as coding and modulation, precoder design, receiver design), cross-layer design (  ... 
arXiv:2201.03192v1 fatcat:e6vlcpge3jdexcqp7e6ctz4xjq

Coding Theory

Hans-Andrea Loeliger, Emina Soljanin, Judy Walker, Hans-Andrea Loeliger, Emina Soljanin, Judy Walker, Hans-Andrea Loeliger, Emina Soljanin, Judy Walker, Dagstuhl Reports
unpublished
Due to the recent new idea of "spatial coupling", such codes can now be designed to achieve the Shannon capacity of most communication channels with practical encoders and decoders.  ...  Recent advances in the field include, in particular, list-decoding algorithms for various classes of algebraic codes. Emerging  ...  Multipliers (ADMM), to develop efficient distributed algorithms for LP decoding.  ... 
fatcat:tztz6heiyfhkjfjhm732bsstnq
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