Zobrazeno 1 - 10
of 31
pro vyhledávání: '"Nikos Perpinias"'
Publikováno v:
WCNC
Improved propagation prediction has become important due to emerging 5G and ultra-dense wireless networks. One important aspect in this domain is to understand and model better the spatial correlations of the underlying shadowing fields. In this work
Publikováno v:
WoWMoM
In recent years, novel spectrum access schemes have increased the need to further explore and exploit radio propagation dynamics. One proposed approach is to use spectrum sensing nodes for propagation environment estimation, and particularly to allow
Publikováno v:
INFOCOM Workshops
Future 5G cellular networks are expected to exploit the abundant spectrum resources of the millimeter-wave (mm-wave) bands to satisfy demand for multi-Gbps mobile links anticipated by exponential data traffic growth. However, given the directional na
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a7856689bd11e7ee55b8abfba6e8887b
http://arxiv.org/abs/1603.02584
http://arxiv.org/abs/1603.02584
Publikováno v:
WOWMOM
In the recent years there has been an effort for the wireless systems to become more efficient in terms of power consumption and coverage planning. One aspect of this effort was the proposal of using spatial estimation approaches, that exploit the sp
Publikováno v:
ICC
In this paper, we provide a first comprehensive comparison on the performance of two spatial estimation approaches used for propagation estimation. The first estimates the shadowing distribution with considerably low number of measurements and the se
Publikováno v:
WCNC
The large contiguous bandwidths available in the mm-wave frequency bands have recently started to gain significant attention due to the growing belief that it can alleviate the spectrum shortage at lower frequencies and meet the increasing high data
Publikováno v:
2014 IEEE Military Communications Conference.
We present the results of an extensive, high spatial density measurement campaign made for investigating the shadowing correlations on two different frequency bands, namely 485MHz and 2600MHz in an urban propagation environment. In particular, we rep
Publikováno v:
PIMRC
We report results from extensive measurements based study to understand the shadow fading correlations. We have particularly studied and analyzed common assumptions done in literature for shadow fading, which is typically modeled as a spatially corre
Autor:
Petri Mahonen, Nikos Perpinias, Sathishkumar Jagadeesan, Alexandros Palaios, Janne Riihijarvi
Publikováno v:
PIMRC
Localization errors can play an important role in measurements of radio propagation or spectrum utilization, especially in urban environment where GPS localization accuracy is highly varying. In this paper we present a low cost and simple method for
Publikováno v:
2014 IEEE Antennas and Propagation Society International Symposium (APSURSI).
We report, based on extensive propagation measurements, cases where typical assumptions regarding shadow fading do not hold. These assumptions include universally assumed Gaussian marginals and exponentially decaying uniform spatial correlation struc