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相关论文: The WSSUS Pulse Design Problem in Multicarrier Tra…

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We consider the pulse design problem in multicarrier transmission where the pulse shapes are adapted to the second order statistics of the WSSUS channel. Even though the problem has been addressed by many authors analytical insights are…

信息论 · 计算机科学 2007-07-13 Peter Jung , Gerhard Wunder

Optimal link adaption to the scattering function of wide sense stationary uncorrelated scattering (WSSUS) mobile communication channels is still an unsolved problem despite its importance for next-generation system design. In multicarrier…

信息论 · 计算机科学 2007-07-13 Peter Jung

In this article we show the relation between the theory of pulse shaping for WSSUS channels and the notion of approximate eigenstructure for time-varying channels. We consider pulse shaping for a general signaling scheme, called…

信息论 · 计算机科学 2009-12-16 Peter Jung

High relative velocities and large distances in space-based quantum communication with satellites in lower earth orbits can lead to significant Doppler shifts and delays of the signal impairing the achievable performance if uncorrected. We…

量子物理 · 物理学 2024-10-02 Emanuel Schlake , Roy Barzel , Dennis Rätzel , Claus Lämmerzahl

Microwave backhaul links are characterized by high signal-to-noise ratios permitting spectrally-efficient transmission. The used signal constellation sizes and achievable data rates are typically limited by transceiver impairments,…

信号处理 · 电气工程与系统科学 2020-12-25 Elena-Iulia Dobre , Ayman Mostafa , Lutz Lampe , Hoda ShahMohammadian , Ming Jian

The important problem of weighted sum rate maximization (WSRM) in a multicellular environment is intrinsically sensitive to channel estimation errors. In this paper, we study ways to maximize the weighted sum rate in a linearly precoded…

信息论 · 计算机科学 2013-10-21 Muhammad Fainan Hanif , Le-Nam Tran , Antti Tölli , Markku Juntti , Savo Glisic

This paper introduces a novel quantum-based method for dynamic beamforming and re-forming in Unmanned Aircraft Systems (UASs), specifically addressing the critical challenges posed by the unavoidable hovering characteristics of UAVs.…

信号处理 · 电气工程与系统科学 2024-01-30 Sudhanshu Arya , Ying Wang

Far-field Wireless Power Transfer (WPT) and Simultaneous Wireless Information and Power Transfer (SWIPT) have attracted significant attention in the RF and communication communities. Despite the rapid progress, the problem of waveform…

信息论 · 计算机科学 2016-11-18 Bruno Clerckx , Ekaterina Bayguzina , David Yates , Paul D. Mitcheson

Circularly pulse-shaped orthogonal frequency division multiplexing (CPS-OFDM) is one of the most promising 5G waveforms that addresses two physical layer signal requirements of low out-of-subband emission (OSBE) and low peak-to-average…

信息论 · 计算机科学 2024-10-30 Yenming Huang , Rueibin Yang , Borching Su

Wireless power transfer (WPT) is expected to be a technology reshaping the landscape of low-power applications such as the Internet of Things, machine-to-machine communications and radio frequency identification networks. Although there has…

信息论 · 计算机科学 2016-05-05 Yang Huang , Bruno Clerckx

In this paper, we propose a state-of-the-art downlink communication transceiver design for transmissive reconfigurable metasurface (RMS)-enabled simultaneous wireless information and power transfer (SWIPT) networks. Specifically, a feed…

信号处理 · 电气工程与系统科学 2022-12-13 Zhendong Li , Wen Chen , Ziheng Zhang , Qingqing Wu , Huanqing Cao , Jun Li

Simultaneous Wireless Information and Power Transfer (SWIPT) has attracted significant attention in the communication community. The problem of waveform design for SWIPT has however never been addressed so far. In this paper, a novel SWIPT…

信息论 · 计算机科学 2016-02-03 Bruno Clerckx

This paper focuses on the fundamental problem of maximizing the achievable weighted sum rate (WSR) at information receivers (IRs) in an intelligent reflecting surface (IRS) assisted simultaneous wireless information and power transfer…

信号处理 · 电气工程与系统科学 2023-03-02 Vaibhav Kumar , Anastasios Papazafeiropoulos , Muhammad Fainan Hanif , Le-Nam Tran , Mark F. Flanagan

This letter considers the weighted sum-rate maximization (WSRMax) problem in downlink multicell multiuser orthogonal frequency-division multiplexing system. The WSRMax problem under per base station transmit power constraint is known to be…

信息论 · 计算机科学 2017-08-16 Mirza Golam Kibria , Hidekazu Murata

OFDM-based waveforms with filtering or windowing functionalities are considered key enablers for a flexible air-interface design for multi-service support in future 5G systems. One candidate from this category of waveforms is pulse shaped…

信息论 · 计算机科学 2016-05-31 Zhao Zhao , Malte Schellmann , Xitao Gong , Qi Wang , Ronald Böhnke , Yan Guo

We derive bounds on the noncoherent capacity of wide-sense stationary uncorrelated scattering (WSSUS) channels that are selective both in time and frequency, and are underspread, i.e., the product of the channel's delay spread and Doppler…

信息论 · 计算机科学 2016-11-15 Giuseppe Durisi , Ulrich G. Schuster , Helmut Bölcskei , Shlomo Shamai

In traditional spread-spectrum techniques, a wideband transmit signal is obtained by modulating a wideband carrier by a narrowband signal containing a relatively low-rate message. In the receiver, the respective demodulation/despreading…

信号处理 · 电气工程与系统科学 2020-08-17 Alexei V. Nikitin , Ruslan L. Davidchack

In this paper, we study the waveform design problem for a single-input single-output (SISO) radio-frequency (RF) wireless power transfer (WPT) system in frequency-selective channels. First, based on the actual non-linear current-voltage…

信息论 · 计算机科学 2017-03-28 Mohammad R. Vedady Moghadam , Yong Zeng , Rui Zhang

The recently proposed orthogonal delay-Doppler division multiplexing (ODDM) modulation, which is a delay-Doppler (DD) domain multi-carrier (DDMC) modulation scheme based on the DD domain orthogonal pulse (DDOP), is studied. We first revisit…

信息论 · 计算机科学 2026-05-11 Hai Lin , Jinhong Yuan , Wei Yu , Jingxian Wu , Lajos Hanzo

Problems related to wavelength assignment (WA) in optical communications networks involve allocating transmission wavelengths for known transmission paths between nodes that minimize a certain objective function, for example, the total…

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