Search Results - "Saarnisaari, Harri"

Signal detection with spectrum windows by Saarnisaari, Harri, Vartiainen, Johanna

“…Spectrum sensing is needed in frequency agile cognitive radio systems, cognitive radar systems as well as in (cognitive) electronic warfare systems. This paper…”
Get full text

Internetwork Time Synchronization of Mobile Ad Hoc Networks by Saarnisaari, Harri, Markkula, Juho, Paso, Tuomas, Braysy, Timo

“…Several time synchronous ad hoc networks may operate in the same geographical area. Although network time synchronization within an individual network has been…”
Get full text

Windowed overlapped frequency domain block filtering approach for direct sequence signal acquisition by Karami, Ebrahim, Saarnisaari, Harri

“…This study applies a windowed frequency domain overlapped block filtering approach to acquire direct sequence signals. As a novel viewpoint, the windows not…”
Get full text

Wireless Terrestrial Backhaul for 6G Remote Access: Challenges and Low Power Solutions by Saarnisaari, Harri, Chaoub, Abdelaali, Heikkilä, Marjo, Singhal, Amit, Bhatia, Vimal

“…Despite developments in communication systems over the last few decades, a digital divide exists in the unconnected part of the world. The latter is…”
Get full text

Energy Detection Based Spectrum Sensing for Rural Area Networks by Vartiainen, Johanna, Karvonen, Heikki, Matinmikko-Blue, Marja, Mendes, Luciano, Saarnisaari, Harri, Matos, Alexandre

“…Remote and rural areas are a challenge to deploy cost-efficient connectivity solutions. 5G technology needs lower frequencies, which calls for spectrum sharing…”
Get full text

Systematic Errors and Location Accuracy in Wireless Networks by Saarnisaari, Harri, Bräysy, Timo

“…: Wireless systems already provide time delay and signal strength measurements and the future may see antenna arrays that provide directional information. All…”
Get full text

Analysis of the Consecutive Mean Excision Algorithms by Vartiainen, Johanna, Lehtomäki, Janne, Saarnisaari, Harri, Juntti, Markku

“…The backward and forward consecutive mean excision (CME/FCME) algorithms are diagnostic methods for outlier (signal) detection. Since they are computationally…”
Get full text

6G for Bridging the Digital Divide: Wireless Connectivity to Remote Areas by Chaoub, Abdelaali, Giordani, Marco, Lall, Brejesh, Bhatia, Vimal, Kliks, Adrian, Mendes, Luciano, Rabie, Khaled, Saarnisaari, Harri, Singhal, Amit, Zhang, Nan, Dixit, Sudhir, Zorzi, Michele

“…In telecommunications, network service accessibility as a requirement is closely related to equitably serving the population residing at locations that can…”
Get full text

Application of 5G new radio for satellite links with low peak‐to‐average power ratios by Saarnisaari, Harri, Lima, Carlos

“…Summary The aim of the paper is to consider feasibility of 5G new radio (NR) over satellite links also known as nonterrestrial networks (NTNs). Large…”
Get full text

A Blind Signal Localization and SNR Estimation Method by Vartiainen, J., Saarnisaari, H., Lehtomaki, J.J., Juntti, M.

“…Congested radio frequencies call for efficient and flexible spectrum use and, hence, spectrum sensing. As cognitive radios need channel information for…”
Get full text

Cellular architecture enhancement for supporting the european licensed shared access concept by Mustonen, Miia, Tao Chen, Saarnisaari, Harri, Matinmikko, Marja, Yrjola, Seppo, Palola, Marko

“…As the demand for mobile traffic continues to grow rapidly, finding exclusive bands for mobile network operators in a harmonized manner becomes increasingly…”
Get full text

6G Local Spectrum Management for Remote Sites by Saarnisaari, Harri

“…Future connectivity systems should be simple to assemble, maintain and manage; especially this is true in remote and rural areas. Automated local frequency…”
Get full text

DOTMFLPI Analysis of 5G for Several Military Use Cases by Saarnisaari, Harri, Djapic, Relja, Tuukkanen, Topi, Low, Warren, Chuberre, Nicolas, Saha, Souradip

“…Defense forces are exploring the potential of exploitation of the fifth generation (5G) mobile cellular technology in the military domain. The extent to which…”
Get full text

Dynamic Spectrum Management and Routing Solutions for Multi-Radio Mobile Ad Hoc Networks by Lie, Arne, Hakegard, Jan Erik, Ulversoy, Tore, Nir, Vincent Le, Sterner, Ulf, Hansson, Anders, Saarnisaari, Harri, Paso, Tuomas, Braysy, Timo, Markkula, Juho, Lofsved, Elisabeth, Krygier, Jaroslaw

“…The electromagnetic spectrum's scarcity, the tactical edge's dynamic nature, and the variety of tactical operations impose challenges to military cognitive…”
Get full text

A General Receiver and Constant Envelope Direct Sequence Signals by Saarnisaari, Harri

“…Future military communication systems should support different modulations since requirements of communications vary remarkably and one modulation cannot…”
Get full text

Iterative multidimensional impulse detectors for communications based on the classical diagnostic methods by Saarnisaari, H., Henttu, P., Juntti, M.

“…This letter introduces diagnostic impulse-detection methods in general, and, based on those, presents three iterative impulse detectors for communication…”
Get full text

CFAR Outlier Detection With Forward Methods by Lehtomaki, J.J., Vartiainen, J., Juntti, M., Saarnisaari, H.

“…Separation or classification of signal-present samples from noise-only samples is studied. The false-alarm probability implies how many noise-only samples are…”
Get full text

Sweep jamming hit rate analysis for frequency agile communications by Saarnisaari, Harri

“…Communication system performance under jamming can be analyzed in most cases if the jamming hit rate (the percentage of jammed bits) is known or could be…”
Get full text

BeamViewer: Visualization of dynamic antenna radiation patterns using Augmented Reality by Nguyen, Danh H., Henderson, Logan, Chacko, James, Sahin, Cem, Paatelma, Anton, Saarnisaari, Harri, Kandasamy, Nagarajan, Dandekar, Kapil R.

“…Wireless research and education are often hindered by the fact that RF electromagnetic signals are invisible and therefore hard to visualize. Domain-specific…”
Get full text

Spectrum window based signal detection at low SNR by Saarnisaari, Harri, Vartiainen, Johanna

“…Signal detection is of interest in spectrum awareness that is useful for future cognitive military radios for their spectrum usage decisions. Detection is…”
Get full text