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Hybrid beamforming is key to achieving energy-efficient 5G wireless networks equipped with massive amount of antennas. Low-resolution data converters bring yet another degree of freedom to energy efficiency for the state-of-the-art 5G…

Signal Processing · Electrical Eng. & Systems 2019-09-19 Sung Joon Maeng , Yavuz Yapıcı , Ismail Guvenc , Huaiyu Dai , Arupjyoti Bhuyan

In this paper, we consider a time-switching (TS) co-located simultaneous wireless information and power transfer (SWIPT) system consisting of multiple multi-antenna access points which serve multiple single antenna users. In this scenario,…

Information Theory · Computer Science 2016-10-27 Nafiseh Janatian , Ivan Stupia , Luc Vandendorpe

In this paper, we consider the design of joint resource blocks (RBs) and power allocation for dual-mode base stations operating over millimeter wave (mmW) band and microwave ($\mu$W) band. The resource allocation design aims to minimize the…

Information Theory · Computer Science 2019-02-06 Biqian Feng , Zhijun Liao , Yongpeng Wu , Juening Jin , Derrick Wing Kwan Ng , Xiang-Gen Xia , Xinbao Gong

In this report we propose a MultiObjective (MO) performance evaluation framework for wireless ad hoc networks where criteria such as capacity, robustness, energy and delay are optimized concurrently. Within such a framework, we can…

Networking and Internet Architecture · Computer Science 2010-09-16 Katia Jaffres-Runser , Jean-Marie Gorce , Cristina Comaniciu

Low resolution analog-to-digital converters (ADCs) can be employed to improve the energy efficiency (EE) of a wireless receiver since the power consumption of each ADC is exponentially related to its sampling resolution and the hardware…

Signal Processing · Electrical Eng. & Systems 2020-03-11 Aryan Kaushik , Christos Tsinos , Evangelos Vlachos , John Thompson

Geometric waveguides are a promising architecture for optical see-through augmented reality displays, but their performance is severely bottlenecked by the difficulty of jointly optimizing non-sequential light transport and…

We propose a novel user equipment (UE) scheduling framework for millimeter-wave (mmWave) massive multiuser (MU) multiple-input multiple-output (MIMO) wireless systems. Our framework determines (sub)sets of UEs that should transmit…

Information Theory · Computer Science 2022-06-24 Victoria Palhares , Christoph Studer

In the pursuit of a reduced energy demand of VVC decoders, it was found that the coding tool configuration has a substantial influence on the bit rate efficiency and the decoding energy demand. The Advanced Design Space Exploration…

Image and Video Processing · Electrical Eng. & Systems 2024-10-02 Teresa Stürzenhofäcker , Matthias Kränzler , Christian Herglotz , André Kaup

This paper develops a novel approach to obtaining the optimal scheduling strategy in a multi-input multi-output (MIMO) multi-access channel (MAC), where each transmitter is powered by an individual energy harvesting process. Relying on the…

Information Theory · Computer Science 2017-09-28 Zheng Nan , Wenming Li

We present a multi-node, multi-objective open-loop microwave distributed beamforming system based on high-accuracy wireless synchronization and localization. Distributed beamforming requires accurate coordination of the spatial and…

Signal Processing · Electrical Eng. & Systems 2024-07-23 Ahona Bhattacharyya , Jeffrey A. Nanzer

When a waverider flies at hypersonic speed, the thermodynamic properties of the surrounding gas change because of the rapid increase in temperature, so it is reasonable to consider real-gas effects in the vehicle design. In addition, a…

Fluid Dynamics · Physics 2024-12-11 Mengyu Wang , Yi Duan , Qin Li , Luying Lin , Chuan Tian

Using group theoretic and topological concepts, together with tunneling phenomena, we geometrically design interfacial wave networks that contain splitters which partition energy in 2, 3, 4 or 5 directions. This enriches the valleytronics…

Mesoscale and Nanoscale Physics · Physics 2018-12-19 Mehul Makwana , Richard Craster

Millimeter wave (mmWave) systems operating over a wide bandwidth and using a large number of antennas impose a heavy burden on power consumption. In a massive multiple-input multiple-output (MIMO) uplink, analog-to-digital con- verters…

Information Theory · Computer Science 2017-02-28 Jinseok Choi , Brian L. Evans , Alan Gatherer

Dielectric waveguide (DWG) interconnects frequently utilize multimode waveguides due to their low dispersion in the fundamental mode. However, these links are more vulnerable to cross-modal coupling that significantly impacts their overall…

Millimeter wave (mmWave) signals experience orders-of-magnitude more pathloss than the microwave signals currently used in most wireless applications. MmWave systems must therefore leverage large antenna arrays, made possible by the…

Information Theory · Computer Science 2016-11-18 Omar El Ayach , Sridhar Rajagopal , Shadi Abu-Surra , Zhouyue Pi , Robert W. Heath

This paper presents a methodology for optimizing the planning and scheduling aspects of a community energy storage (CES) system in the presence of solar photovoltaic (SPV) power in low voltage (LV) distribution networks. To this end, we…

Systems and Control · Electrical Eng. & Systems 2023-01-09 K. B. J. Anuradha , Chathurika P. Mediwaththe , Masoume Mahmoodi

This paper considers minimum sum mean-squared error (sum-MSE) linear transceiver designs in multiuser downlink systems with imperfect channel state information. Specifically, we derive the optimal energy allocations for training and data…

Information Theory · Computer Science 2010-01-19 Adam J. Tenenbaum , Raviraj S. Adve

Energy efficiency (EE) plays a key role in future wireless communication network and it is easily to achieve high EE performance in low SNR regime. In this paper, a new high EE scheme is proposed for a MIMO wireless communication system…

Information Theory · Computer Science 2022-01-31 Kang Liu , Zaichen Zhang , Jian Dang , Liang Wu , Bingchen Zhu , Lei Wang , Chuan Zhang

This paper considers the problem of designing a multilevel pulse width modulated waveform (PWM) with a prescribed harmonic content. Multilevel PWM design plays a major role in many diverse engineering disciplines. In power electronics,…

Systems and Control · Computer Science 2018-01-03 Shravan Mohan , Bharath Bhikkaji

The robust adaptive beamforming design problem based on estimation of the signal of interest steering vector is considered in the paper. In this case, the optimal beamformer is obtained by computing the sample matrix inverse and an optimal…

Signal Processing · Electrical Eng. & Systems 2019-06-26 Yongwei Huang , Mingkang Zhou , Sergiy A. Vorobyov