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Optimal binary labelings, input distributions, and input alphabets are analyzed for the so-called bit-interleaved coded modulation (BICM) capacity, paying special attention to the low signal-to-noise ratio (SNR) regime. For 8-ary pulse…

信息论 · 计算机科学 2011-10-21 Erik Agrell , Alex Alvarado

Optimal binary labelings, input distributions, and input alphabets are analyzed for the so-called bit-interleaved coded modulation (BICM) capacity, paying special attention to the low signal-to-noise ratio (SNR) regime. For 8-ary pulse…

信息论 · 计算机科学 2011-10-21 Erik Agrell , Alex Alvarado

Hybrid beamforming is considered a key enabler to realize millimeter wave (mmWave) multiple-input multiple-output (MIMO) communications due to its capability of considerably reducing the number of costly and power-hungry radio frequency…

信号处理 · 电气工程与系统科学 2021-08-25 Mengyuan Ma , Nhan Thanh Nguyen , Markku Juntti

Orthogonal frequency division multiplexing (OFDM) has been widely used in communication systems operating in the millimeter wave (mmWave) band to combat frequency-selective fading and achieve multi-Gbps transmissions, such as IEEE 802.15.3c…

信息论 · 计算机科学 2017-09-06 Hanqing Wang , Chao-Kai Wen , Shi Jin

Backscatter communication (BSC) technology can enable ubiquitous deployment of low-cost sustainable wireless devices. In this work we investigate the efficacy of a full-duplex multiple-input-multiple-output (MIMO) reader for enhancing the…

信息论 · 计算机科学 2019-03-27 Deepak Mishra , Erik G. Larsson

The performance of algebraic soft-decision decoding of Reed-Solomon codes using bit-level soft information is investigated. Optimal multiplicity assignment strategies of algebraic soft-decision decoding with infinite cost are first studied…

信息论 · 计算机科学 2008-08-05 Jing Jiang , Krishna R. Narayanan

Bit-interleaved coded modulation (BICM) transceivers often use equally spaced constellations and a random interleaver. In this paper, we propose a new BICM design, which considers hierarchical (nonequally spaced) constellations, a bit-level…

信息论 · 计算机科学 2013-03-26 Md. Jahangir Hossain , Alex Alvarado , Leszek Szczecinski

Bit-interleaved coded modulation (BICM) using (bi-)orthogonal signals is especially well suited for the application in impulse-radio ultra-wideband transmission systems, which typically operate in the power-limited regime and require a very…

信息论 · 计算机科学 2015-03-18 Andreas Schenk , Robert F. H. Fischer

We address a design of high-capacity and low-peak-to-average power ratio (PAPR) orthogonal frequency-division multiplexing (OFDM) systems based on bit-interleaved coded modulation (BICM) utilizing non-equiprobable and non-uniform (NENU)…

信息论 · 计算机科学 2026-01-21 Eito Kurihara , Hideki Ochiai

Orthogonal frequency division multiplexing (OFDM) is a key waveform for integrated sensing and communication (ISAC) due to its spectral efficiency and compatibility with modern wireless standards. In multi-target and clutter-rich…

信号处理 · 电气工程与系统科学 2026-05-19 Dongil Yang , Kaitao Meng , Christos Masouros , Kawon Han

In this paper, we propose a spatial coded modulation (SCM) scheme, which improves the accuracy of the active antenna detection by coding over the transmit antennas. Specifically, the antenna activation pattern in the SCM corresponds to a…

信息论 · 计算机科学 2023-09-21 Junshan Luo , Fanggang Wang , Shilian Wang

Soft forward error correction with higher-order modulations is often implemented in practice via the pragmatic bit-interleaved coded modulation paradigm, where a single binary code is mapped to a nonbinary modulation. In this paper, we…

We propose a simple yet effective wireless network coding and decoding technique for a multiple unicast network. It utilizes spatial diversity through cooperation between nodes which carry out distributed encoding operations dictated by…

信息论 · 计算机科学 2012-09-06 Tugcan Aktas , A. Ozgur Yilmaz , Emre Aktas

The minimum-weight perfect matching (MWPM) decoder is a standard decoding strategy for surface codes, but its performance degrades considerably under biased noise. In this paper, a modified surface code, termed the XYZ planar code, is…

信息论 · 计算机科学 2026-05-25 Zhiwei Wang , Liqi Wang

Generalized spatial modulation-aided affine frequency division multiplexing (GSM-AFDM) is conceived for reliable multiple-input multiple-output (MIMO) communications over doubly selective channels. \textcolor{black}{We commence by proposing…

信号处理 · 电气工程与系统科学 2025-09-18 Zeping Sui , Zilong Liu , Leila Musavian , Lie-Liang Yang , Lajos Hanzo

In this paper, we aim to design highly energy efficient end-to-end communication for millimeter wave multiple-input multiple-output systems. This is done by jointly optimizing the digital-to-analog converter (DAC)/analog-to-digital…

信号处理 · 电气工程与系统科学 2020-03-12 Aryan Kaushik , Evangelos Vlachos , Christos Tsinos , John Thompson , Symeon Chatzinotas

A new algorithm for efficient exact maximum likelihood decoding of polar codes (which may be CRC augmented), transmitted over the binary erasure channel, is presented. The algorithm applies a matrix triangulation process on a sparse polar…

信息论 · 计算机科学 2021-06-29 Yonatan Urman , David Burshtein

In underwater acoustic (UWA) communication, orthogonal frequency division multiplexing (OFDM) is commonly employed to mitigate the inter-symbol interference (ISI) caused by delay spread. However, path-specific Doppler effects in UWA…

信号处理 · 电气工程与系统科学 2024-09-24 Xiaoquan You , Hengyu Zhang , Xuehan Wang , Jintao Wang

Dual-function radar-communication (DFRC) systems, which can efficiently utilize the congested spectrum and costly hardware resources by employing one common waveform for both sensing and communication (S&C), have attracted increasing…

信息论 · 计算机科学 2022-08-08 Zichao Xiao , Rang Liu , Ming Li , Yang Liu , Qian Liu

This paper presents a new decoding for polynomial residue codes, called the minimum degree-weighted distance decoding. The newly proposed decoding is based on the degree-weighted distance and different from the traditional minimum Hamming…

信息论 · 计算机科学 2017-03-28 Li Xiao , Xiang-Gen Xia