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Uncertainty in discriminating between different received coherent signals is integral to the operation of many free-space optical communications protocols, and is often difficult when the receiver measures a weak signal. Here we design an…

量子物理 · 物理学 2020-06-16 Sanjaya Lohani , Ryan T. Glasser

Extremely large-scale array (XL-array) has emerged as a promising technology to enhance the spectrum efficiency and spatial resolution in future wireless networks, leading to a fundamental paradigm shift from conventional far-field…

信号处理 · 电气工程与系统科学 2023-05-23 Yunpu Zhang , Changsheng You , Weijie Yuan , Fan Liu , Rui Zhang

The explosion of the number of low-power devices in the next decades calls for a re-thinking of wireless network design, namely, unifying wireless transmission of information and power so as to make the best use of the RF spectrum,…

信息论 · 计算机科学 2019-09-17 Morteza Varasteh , Jakob Hoydis , Bruno Clerckx

Cross-city transfer improves prediction in label-scarce cities by leveraging labeled data from other cities, but it becomes challenging when cities adopt incompatible partitions and no ground-truth region correspondences exist. Existing…

机器学习 · 计算机科学 2026-05-12 Yuyao Wang , Min Yang , Meng Chen , Weiming Huang , Yilong Yin , Yongshun Gong

We study the approximate message-passing decoder for sparse superposition coding on the additive white Gaussian noise channel and extend our preliminary work [1]. We use heuristic statistical-physics-based tools such as the cavity and the…

信息论 · 计算机科学 2017-07-17 Jean Barbier , Florent Krzakala

This paper presents a novel approach to handle the computational complexity in security-constrained unit commitment (SCUC) with corrective network reconfiguration (CNR) to harness the flexibility in transmission networks. This is achieved…

最优化与控制 · 数学 2020-07-21 Arun Venkatesh Ramesh , Xingpeng Li , Kory W. Hedman

Because of their capacity-approaching performance and their complexity/latency advantages, spatially-coupled (SC) codes are among the most attractive error-correcting codes for use in modern dense data storage systems. SC codes are…

信息论 · 计算机科学 2020-05-26 Ahmed Hareedy , Ruiyi Wu , Lara Dolecek

Signal-time coding, which combines the traditional encoding/modulation mode in the signal domain with signal pulse phase modulation in the time domain, was proposed to improve the information flow rate in relay networks. In this paper, we…

信息论 · 计算机科学 2009-07-13 Pingyi Fan , Pei Sun , Khaled Ben Letaief

This paper considers an energy-efficient packet scheduling problem over quasi-static block fading channels. The goal is to minimize the total energy for transmitting a sequence of data packets under the first-in-first-out rule and strict…

信息论 · 计算机科学 2016-11-17 Shengfeng Xu , Tsung-Hui Chang , Shih-Chun Lin , Chao Shen , Gang Zhu

Spatial concurrent constraint programming (SCCP) is an algebraic model of spatial modalities in constrained-based process calculi; it can be used to reason about spatial information distributed among the agents of a system. This work…

计算机科学中的逻辑 · 计算机科学 2018-05-22 Miguel Romero , Camilo Rocha

For the additive Gaussian noise channel with average codeword power constraint, sparse superposition codes and adaptive successive decoding is developed. Codewords are linear combinations of subsets of vectors, with the message indexed by…

信息论 · 计算机科学 2010-06-22 Andrew R Barron , Antony Joseph

Exceptional points, a remarkable phenomenon in physical systems, have been exploited for sensing applications. It has been demonstrated recently that it can also utilize as sensory threshold in which the interplay between exceptional-point…

应用物理 · 物理学 2024-10-18 Shirin Panahi , Li-Li Ye , Ying-Cheng Lai

In this paper, a multipath component aggregation (MCA) mechanism is introduced for spatial scattering modulation (SSM) to overcome the limitation in conventional SSM that the transmit antenna array steers the beam to a single multipath (MP)…

信息论 · 计算机科学 2023-04-06 Jiliang Zhang , Wei Liu , Alan Tennant , Weijie Qi , Jiming Chen , Jie Zhang

We design new continuous phase modulation (CPM) formats which are based on the combination of a proper precoder with binary input and a ternary CPM. The proposed precoder constrains the signal phase evolution in order to increase the…

信息论 · 计算机科学 2016-11-17 Malek Messai , Amina Piemontese , Giulio Colavolpe , Karine Amis , Frederic Guilloud

A simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) assisted simultaneous wireless information and power transfer (SWIPT) system is proposed. More particularly, an STAR-RIS is deployed to assist in the…

信息论 · 计算机科学 2024-03-25 Guangyu Zhu , Xidong Mu , Li Guo , Ao Huang , Shibiao Xu

Machine-type-communications (MTC) are being crucial in the development of next generation mobile networks. Given that MTC devices are usually battery constrained, wireless power transfer (WPT) and energy harvesting (EH) have emerged as…

信号处理 · 电气工程与系统科学 2020-04-28 Sergi Liesegang , Olga Muñoz-Medina , Antonio Pascual-Iserte

Low Earth orbit (LEO) satellite constellations play a pivotal role in sixth-generation (6G) wireless networks by providing global coverage, massive connections, and huge capacity. In this paper, we present a novel LEO satellite…

信息论 · 计算机科学 2025-09-05 Wenfei Yao , Xiaoming Chen , Qi Wang , Xingyu Peng

This paper considers simultaneous wireless information and power transfer (SWIPT) in a multiple-input single-output (MISO) downlink system consisting of one multi-antenna transmitter, one single-antenna information receiver (IR), multiple…

信息论 · 计算机科学 2016-11-18 Muhammad R. A. Khandaker , Kai-Kit Wong , Yangyang Zhang , Zhongbin Zheng

We study the design of amplitude phase-shift keying (APSK) constellations for a coherent fiber-optical communication system where nonlinear phase noise (NLPN) is the main system impairment. APSK constellations can be regarded as a union of…

信息论 · 计算机科学 2015-01-07 Christian Häger , Alexandre Graell i Amat , Alex Alvarado , Erik Agrell

Residual self-interference (SI) cancellation in the digital baseband is an important problem in full-duplex (FD) communication systems. In this paper, we propose a new technique for estimating the SI and communication channels in a FD…

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