中文
相关论文

相关论文: Polarization and Index Modulations: a Theoretical …

200 篇论文

On-chip spatial and polarization multiplexing have emerged as a powerful strategy to boost the bandwidth of integrated optical transceivers. State-of-the-art multiplexers require accurate control of the relative phase or the spatial…

Quantifying the amount of polarization is crucial for understanding and studying political polarization in political and social systems. Several methods are used commonly to measure polarization in social networks by purely inspecting their…

社会与信息网络 · 计算机科学 2022-04-14 Ali Salloum , Ted Hsuan Yun Chen , Mikko Kivelä

In a recent work, a capacity-achieving scheme for the common-message two-user MIMO broadcast channel, based on single-stream coding and decoding, was described. This was obtained via a novel joint unitary triangularization which is applied…

信息论 · 计算机科学 2011-06-01 Anatoly Khina , Ayal Hitron , Uri Erez

Polarization, defined as the emergence of sharply divided groups with opposing and often extreme views, is an increasingly prominent feature of modern societies. While many studies analyze this phenomenon in the context of single issues,…

The remarkable promise of multiple-input multiple-output (MIMO) wireless channels has motivated an intense research activity to characterize the theoretical and practical issues associated with the design of transmit (source) and receive…

信息论 · 计算机科学 2013-03-13 Luca Sanguinetti , Antonio A. D'Amico , Yue Rong

The rate of adoption of new information depends on reinforcement from multiple sources in a way that often cannot be described by simple contagion processes. In such cases, contagion is said to be complex. Complex contagion happens in the…

物理与社会 · 物理学 2019-06-21 Vítor V. Vasconcelos , Simon A. Levin , Flávio L. Pinheiro

With the recent advances of networking technology, connections among people are unprecedentedly enhanced. People with different ideologies and backgrounds interact with each other, and there may exist severe opinion polarization and…

社会与信息网络 · 计算机科学 2021-04-13 Yuejiang Li , Hong Vicky Zhao

Precoding has stood out as a promising multi-user transmission technique to meet the emerging throughput demand of satellite communication systems while awaiting the technological maturity for exploiting higher bands. Precoding enables the…

信号处理 · 电气工程与系统科学 2020-11-04 Bhavani Shankar Mysore , Eva Lagunas , Symeon Chatzinotas , Bjorn Ottersten

The influence of coherent optical nonlinearities on polariton propagation effects is studied within a theory-experiment comparison. A novel approach that combines a microscopic treatment of the boundary problem in a sample of finite…

其他凝聚态物理 · 物理学 2009-11-11 S. Schumacher , G. Czycholl , F. Jahnke , I. Kudyk , L. Wischmeier , I. Rückmann , T. Voss , J. Gutowski , A. Gust , D. Hommel

This article examines recent research in molecular communications from a telecommunications system design perspective. In particular, it focuses on channel models and state-of-the-art physical layer techniques. The goal is to provide a…

新兴技术 · 计算机科学 2015-07-28 Weisi Guo , Taufiq Asyhari , Nariman Farsad , H. Birkan Yilmaz , Bin Li , Andrew Eckford , Chan-Byoung Chae

Radio sources are often polarized. Accurate measurement of simply the flux density of a radio source requires a basic understanding of polarization and its measurement techniques. We provide an introductory, heuristic discussion of these…

天体物理学 · 物理学 2007-05-23 Carl Heiles

Handedness-selective chiral transport is an intriguing phenomenon that not only holds significant importance for fundamental research, but it also carries application prospects in fields such as optical communications and sensing.…

光学 · 物理学 2024-07-08 Hang Zhu , Jian Wang , Andrea Alu , Lin Chen

Spatial modulation (SM) is an innovative and promising digital modulation technology that strikes an appealing trade-off between spectral efficiency and energy efficiency with a simple design philosophy. SM enjoys plenty of benefits and…

Using polarization measurements in remote sensing and optical studies allows retrieving more information. We consider relationship between the reflection coefficients of plane and rough surfaces for linearly polarized waves. Certain…

光学 · 物理学 2012-12-14 Yu. K. Shestopaloff

A capacity-achieving scheme based on polar codes is proposed for reliable communication over multi-channels which can be directly applied to bit-interleaved coded modulation schemes. We start by reviewing the ground-breaking work of polar…

信息论 · 计算机科学 2013-02-04 Hessam Mahdavifar , Mostafa El-Khamy , Jungwon Lee , Inyup Kang

Single-Radio-Frequency (RF) Multiple-Input-Multiple-Output (MIMO) systems such as the spatial modulation (SM) system and the space shift keying (SSK) system have been proposed to pursue a high spectral efficiency while keeping a low cost…

信息论 · 计算机科学 2021-10-22 Jiliang Zhang , Yang Wang , Jie Zhang , Liqin Ding

Reconfigurable antennas (RAs) have emerged as a promising technology for future wireless networks, offering additional flexibility for wireless communications. Among existing designs, rotatable antennas are particularly effective in…

信号处理 · 电气工程与系统科学 2026-03-03 Chao Zhang , Hu Zhou , Ruizhe Long , Ying-Chang Liang , Boon-Hee Soong

Polar coding is a method for communication over noisy classical channels which is provably capacity-achieving and has an efficient encoding and decoding. Recently, this method has been generalized to the realm of quantum information…

量子物理 · 物理学 2016-02-01 Christoph Hirche , Ciara Morgan , Mark M. Wilde

The capabilities of multi-antenna technology have recently been significantly enhanced by the proliferation of extra large array architectures. The high dimensionality of these systems implies that communications take place in the nearfield…

信息论 · 计算机科学 2024-12-11 Xavier Mestre , Adrian Agustin , David Sarda

Spread spectrum, widely employed in modern digital wireless terrestrial radio systems, chooses a signal with a noise-like character and much higher bandwidth than necessary. This paper advocates spread spectrum modulation for interstellar…

天体物理仪器与方法 · 物理学 2013-07-30 David G. Messerschmitt