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Realizing edge intelligence consists of sensing, communication, training, and inference stages. Conventionally, the sensing and communication stages are executed sequentially, which results in excessive amount of dataset generation and…

信号处理 · 电气工程与系统科学 2022-01-25 Tong Zhang , Shuai Wang , Guoliang Li , Fan Liu , Guangxu Zhu , Rui Wang

In this paper, we propose a novel image calibration algorithm for a twofold time-interleaved DAC (TIDAC). The algorithm is based on simulated annealing, which is often used in the field of machine learning to solve derivative free…

图像与视频处理 · 电气工程与系统科学 2019-09-04 Daniel Beauchamp , Keith M. Chugg

Hyperspectral image classification (HIC) is an active research topic in remote sensing. Hyperspectral images typically generate large data cubes posing big challenges in data acquisition, storage, transmission and processing. To overcome…

图像与视频处理 · 电气工程与系统科学 2021-10-13 Hao Zhang , Xu Ma , Xianhong Zhao , Gonzalo R. Arce

Dithering is a technique commonly used to improve the perceptual quality of lossy data compression. In this work, we analytically and experimentally justify the use of dithering for ASR input compression. We formalize an understanding of…

音频与语音处理 · 电气工程与系统科学 2025-12-12 Ellison Murray , Morriel Kasher , Predrag Spasojevic

We propose an enhanced spatial modulation (SM)-based scheme for indoor visible light communication systems. This scheme enhances the achievable throughput of conventional SM schemes by transmitting higher order complex modulation symbol,…

信号处理 · 电气工程与系统科学 2022-01-21 Shimaa Naser , Lina Bariah , Sami Muhaidat , Mahmoud Al-Qutayri , Paschalis C. Sofotasios

Finite alphabet iterative decoders (FAIDs) for LDPC codes were recently shown to be capable of surpassing the Belief Propagation (BP) decoder in the error floor region on the Binary Symmetric channel (BSC). More recently, the technique of…

信息论 · 计算机科学 2012-07-20 Shiva Kumar Planjery , Bane Vasic , David Declercq

Reliable communication over delay-constrained block-fading channels with discrete inputs and mismatched (imperfect) channel state information at the transmitter (CSIT) is studied. The CSIT mismatch is modeled as Gaussian random variables,…

信息论 · 计算机科学 2009-06-02 Tung T. Kim , Albert Guillen i Fabregas

Data center interconnects (DCIs) will have to support throughputs of 400 Gbps or more per wavelength in the near future. To achieve such high data rates, coherent modulation and detection is used, which conventionally requires high-speed…

信号处理 · 电气工程与系统科学 2022-02-21 Shivangi Chugh , Rakesh Ashok , Punit Jain , Sana Naaz , Aboobackkar Sidhique , Shalabh Gupta

Nonlinear self-interference (SI) cancellation is essential for mitigating the impact of transmitter-side nonlinearity on overall SI cancellation performance in flexible duplex systems, including in-band full-duplex (IBFD) and sub-band…

信号处理 · 电气工程与系统科学 2025-03-05 Yonghwi Kim , Kai-Kit Wong , Jianzhong , Zhang , Chan-Byoung Chae

Combinatorial optimization problems are funda- mental for various fields ranging from finance to wireless net- works. This work presents a simulated bifurcation (SB) Ising solver in CMOS for NP-hard optimization problems. Analog domain…

系统与控制 · 电气工程与系统科学 2025-04-15 Alana Marie Dee , Sajjad Moazeni

In this paper, we study the low-complexity iterative soft-input soft-output (SISO) detection algorithm in a large-scale distributed multiple-input multiple-output (MIMO) system. The uplink interference suppression matrix is designed to…

信号处理 · 电气工程与系统科学 2018-11-20 Yuan Feng , Menghan Wang , Dongming Wang , Xiaohu You

The coherent Ising machine (CIM) enables efficient sampling of low-lying energy states of the Ising Hamiltonian with all-to-all connectivity by encoding the spins in the amplitudes of pulsed modes in an optical parametric oscillator (OPO).…

量子物理 · 物理学 2021-03-22 Egor S. Tiunov , Alexander E. Ulanov , A. I. Lvovsky

In this work, we investigate dynamic oversampling techniques for large-scale multiple-antenna systems equipped with low-cost and low-power 1-bit analog-to-digital converters at the base stations. To compensate for the performance loss…

信息论 · 计算机科学 2021-03-02 Z. Shao , L. Landau , R. de Lamare

The oscillator-based Ising machine (OIM) is a network of coupled CMOS oscillators that solves combinatorial optimization problems. In this paper, the distribution of the injection-locking oscillations throughout the circuit is proposed to…

新兴技术 · 计算机科学 2020-12-17 M. Ali Vosoughi

In most existing works on non-orthogonal multiple access (NOMA), the decoding order of successive interference cancellation (SIC) is prefixed and based on either the users' channel conditions or their quality of service (QoS) requirements.…

信息论 · 计算机科学 2020-05-21 Z. Ding , R. Schober , H. V. Poor

The impact of successive interference cancellation (SIC) in non-orthogonal multiple access integrated sensing and communications (NOMA-ISAC) is analyzed. A two-stage SIC-based framework is proposed to deal with the inter-communication user…

信息论 · 计算机科学 2023-02-08 Chongjun Ouyang , Yuanwei Liu , Hongwen Yang

For years, SIMD/vector units have enhanced the capabilities of modern CPUs in High-Performance Computing (HPC) and mobile technology. Typical commercially-available SIMD units process up to 8 double-precision elements with one instruction.…

分布式、并行与集群计算 · 计算机科学 2023-11-14 Pablo Vizcaino , Georgios Ieronymakis , Nikolaos Dimou , Vassilis Papaefstathiou , Jesus Labarta , Filippo Mantovani

Convolutional neural networks (CNNs) are computationally intensive and often accelerated using crossbar-based in-memory computing (IMC) architectures. However, large convolutional layers must be partitioned across multiple crossbars,…

硬件体系结构 · 计算机科学 2025-12-01 Shuai Dong , Junyi Yang , Ye Ke , Hongyang Shang , Arindam Basu

We present an interdigitated capacitor trimming technique for fine-tuning the resonance frequency of superconducting microresonators and increasing the multiplexing factor. We first measure the optical response of the array with a beam…

Bistatic Integrated Sensing and Communication (ISAC) is poised to become a cornerstone technology in next-generation communication networks, such as Beyond 5G (B5G) and 6G, by enabling the concurrent execution of sensing and communication…

信号处理 · 电气工程与系统科学 2025-07-15 Yi Wang , Keke Zu , Luping Xiang , Martin Haardt , Chaochao Wang , Xianchao Zhang , Kun Yang