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Related papers: Millimeter-Wave Over-the-Air Signal-to-Interferenc…

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In this work, we show the design and validation of a testbed for over-the-air testing of millimetre waves equipments. We have extended the frequency capabilities of a baseband channel emulator which is capable of emulating non-stationary…

Signal Processing · Electrical Eng. & Systems 2020-05-12 Erich Zöchmann , Terje Mathiesen , Thomas Blazek , Herbert Groll , Golsa Ghiaasi

This paper presents a 2 x 2 millimeter wave (mm-wave) multiple-input-multiple-output (MIMO) testbed that operates at around 30 GHz. The link assessment of the system operating at 26.25 GHz was carried out on a test bench, with a short…

Signal Processing · Electrical Eng. & Systems 2018-09-24 Tian Hong Loh , David Cheadle , Philip Miller

This paper presents an evaluation of distortion and interference sources, namely, the harmonic distortion and antenna crosstalk, originating within a 2 x 2 millimeter-wave (mm-wave) multiple-input-multiple-output (MIMO) testbed. The…

Signal Processing · Electrical Eng. & Systems 2018-09-24 Tian Hong Loh , David Humphreys , David Cheadle , Koen Buisman

In this paper, a rigorous link performance test for MIMO OTA (multiple-input-multiple-output over-the-air) characterisation with traceable signal-to-interference-plus-noise ratio (SINR) is presented. Measurements were made with three…

Signal Processing · Electrical Eng. & Systems 2018-09-24 Min Wang , Tian-Hong Loh , David Cheadle , Yongjiu Zhao , Yonggang Zhou

Massive multiple-input multiple-out (MIMO) technology is vital in millimeter-wave (mmWave) bands to obtain large array gains. However, there are practical challenges, such as high hardware cost and power consumption in such systems. A…

Signal Processing · Electrical Eng. & Systems 2020-12-04 MinKeun Chung , Liang Liu , Andreas Johansson , Martin Nilsson , Olof Zander , Zhinong Ying , Fredrik Tufvesson , Ove Edfors

This paper study the effect of interference management arising due to millimeter wave (mmWave) communication on the performance of multiple input multiple output (MIMO) based spectrum sharing cognitive systems. The highly directed mmWave…

Information Theory · Computer Science 2018-06-26 Abhishek Agrahari , Aditya K. Jagannatham

Future communication systems employing massive multiple input multiple output will not have the ability to use channel state information at the mobile user terminals. Instead, it will be necessary for such devices to evaluate the downlink…

Signal Processing · Electrical Eng. & Systems 2018-09-24 Tim Brown , David Humphreys , Martin Hudlicka , Tian Hong Loh

Millimeter-wave multi-input multi-output (mm-Wave MIMO) systems are one of the candidate schemes for 5G wireless standardization efforts. In this context, the main contributions of this article are three-fold. 1) We describe parallel sets…

With the severe spectrum shortage in conventional cellular bands, millimeter-wave (mmWave) frequencies have been attracting growing attention for next-generation micro- and picocellular wireless networks. A fundamental and open question is…

Networking and Internet Architecture · Computer Science 2016-04-20 Mattia Rebato , Marco Mezzavilla , Sundeep Rangan , Federico Boccardi , Michele Zorzi

The millimeter wave (mmW) frequency spectrum has been explored recently for large bandwidth communication. At these frequencies, narrow directional beams are required for communication since the signal attenuation is high due to atmospheric…

Signal Processing · Electrical Eng. & Systems 2026-03-10 Jeet Tekchandani , Jai Mangal , Sumit J. Darak , Shobha Sundar Ram

Given the overcrowding in the 300 MHz-3 GHz spectrum, millimeter wave (mmWave) spectrum is a promising candidate for the future generations of wireless networks. With the unique propagation characteristics at mmWave frequencies, one of the…

Signal Processing · Electrical Eng. & Systems 2018-04-11 Solmaz Niknam , Balasubramaniam Natarajan

In this paper, we investigate the system performance of a multi-cell multi-user (MU) hybrid millimeter wave (mmWave) multiple-input multiple-output (MIMO) network adopting the channel estimation algorithm proposed in [1] for channel…

Signal Processing · Electrical Eng. & Systems 2018-01-30 Lou Zhao , Zhiqiang Wei , Derrick Wing Kwan Ng , Jinhong Yuan , Mark C. Reed

A recently conducted indoor-to-outdoor measurement campaign for investigating the propagation characteristics of an $8 \times 8$ virtual multiple-input-multiple-output (MIMO) based wireless sensor network (WSN) is presented in this paper.…

Signal Processing · Electrical Eng. & Systems 2020-07-03 I. Dey , M. Majid Butt , N. Marchetti

In this work we investigate the network MIMO techniques of interference alignment (IA) and fully adaptive joint transmission coordinated multipoint (CoMP) in an indoor very small cell environment. Our focus is on the overheads in a system…

Information Theory · Computer Science 2014-03-18 Per Zetterberg

In this paper, we investigate the system performance of a multi-cell multi-user (MU) hybrid millimeter wave (mmWave) communications in a multiple-input multiple-output (MIMO) network. Due to the reuse of pilot symbols among different cells,…

Information Theory · Computer Science 2018-06-08 Lou Zhao , Zhiqiang Wei , Derrick Wing Kwan Ng , Jinhong Yuan , Mark C. Reed

In this paper, the effects of interference on composite fading environments, where multipath fading coexists with shadowing, are investigated. Based on some mathematical convenient expressions for the sum of squared…

Information Theory · Computer Science 2014-06-17 Petros S. Bithas , Athanasios A. Rontogiannis

3-dimensional Multiple-Input Multiple-Output (3D MIMO) systems have received great interest recently because of the spatial diversity advantage and capability for full-dimensional beamforming, making them promising candidates for practical…

In this paper we present measurement results for pure line-of-sight MIMO links operating in the millimeter wave range. We show that the estimated condition numbers and capacities of the measured channels are in good agreement with the…

Information Theory · Computer Science 2017-04-03 Tim Hälsig , Darko Cvetkovski , Eckhard Grass , Berthold Lankl

Millimeter wave (mmWave) band, or high frequencies such as THz, has large undeveloped band of spectrum. However, wireless channels over the mmWave band usually have one or two paths only due to the severe attenuation. The channel property…

Information Theory · Computer Science 2020-04-14 Xi Yang , Chao-Kai Wen , Shi Jin

Millimeter wave offers high bandwidth for air-to-air (A2A) communication. In this paper, we evaluate the rate performance of a multiuser MIMO (MU-MIMO) configuration where several aircraft communicate with a central hub. We consider a…

Signal Processing · Electrical Eng. & Systems 2019-04-01 Travis Cuvelier , Robert W. Heath
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