radio propagation channel model
Geometrically Based Channel Model for Indoor Radio Propagation with Directional Antennas
... based channel model is proposed to describe radio propagation in an indoor environment with directional ...geometric channel models (GCMs), distribution of scatterers does not take into ...
16
Survey of Channel and Radio Propagation Models for Wireless MIMO Systems
... for channel simulation in sys- tems with multiple antennas at the base station (diversity antennas, smart ...single-scattering model by using randomly placed scatterers ...and propagation time (which ...
19
A Novel 3D Analytical Scattering Model for Air-to-Ground Fading Channels
... mobile radio cellular networks are expected to play a vital role [1,2] in emerging fifth generation (5G) communication systems for delivering high speed, large volume, power efficiency, low latency and global ...
21
Geometry-Based Statistical Model for Radio Propagation in Rectangular Office Buildings
... Figure 7 shows the comparison for the theoretical PAS obtained from (20) with the simulated data in [18]. It can be seen from Fig. 7 that deterministic angle clustering is clearly visible for both the theoretical and ...
26
Remote sensing and modeling of lightning caused long recovery events within the lower ionosphere using VLF/LF radio wave propagation
... VLF/LF radio wave propagation ...vertical channel length as a ...stroke channel length and return stroke current can be adjusted to model our VLF/LF radio wave propagation ...
10
Analysing Radio Wave Propagation Model for Indoor Wireless Communication
... wave propagation were ...by radio wave communication which could provide continuous contact with ships sailing the English Channel ...two-way radio communications and broadcasting systems, the ...
5
Characterization and Modeling of Vegetation Effects on UHF Propagation through a Long Forested Channel
... UHF radio-wave propagation through a long forested channel at frequency of 1835 MHz are ...forested channel of about 8 km long with mixed vegetation of different ...new model was ...
8
Effects of Sensor Nodes Mobility on Routing Energy Consumption Level and Performance of Wireless Sensor Networks
... Network model parameters Parameter Value Channel type WirelessChannel Radio propagation TwoRayGround network interface type WirelessPhy MAC protocol Mac/802_11 interface queue type Queue[r] ...
9
Modeling the Effect of Periodic Wall Roughness on the Indoor Radio Propagation Channel
... proposed model may have applications in many factories and sensitive environments where metallic, stainless steel or aluminium cylindrical tanks and tubes are used ...Therefore propagation modeling can be ...
13
Identification and Modeling of Radio Wave Propagation Channel in Industrial Environments
... of channel. Thus, this paper presents an exact model to describe ultra wide band channels (UWB) based on channel impulse response based on Saleh-Valenzuelain industrial environments by a new cluster ...
12
Use of Energy Replenishment Model to Find Optimum Radio Propagation Model in Wireless Sensor Networks
... (OSI) model layers including an Application layer, Transport layer, Network Layer, Data Link layer and Physical ...efficient radio propagation model is analyzed for WSNs to improve the way, ...
7
Cognitive Radio Based on Software Defined Radio
... Cognitive Radio and Dynamic Spectrum Access represent two complementary developments that will refashion the world of wireless ...cognitive radio simulation environment. That is, a conventional radio ...
5
Investigation into long-range wireless sensor networks
... the model is dependent on whether the link is beyond the horizon or ...the model uses ray-optics ...the model has been tested for frequencies over the range of 40 MHz to 10 ...
62
Impact of Clustering in Indoor MIMO Propagation Using a Hybrid Channel Model
... at both the transmitter and receiver. Both the arrays are as- sumed to be located inside the classroom parallel to the cor- ridor and have the same number of elements. We restrict our attention only for ULA here, as our ...
14
PERFORMANCE EVALUATION OF PROACTIVE PROTOCOL (AODV) AND REACTIVE PROTOCOL (WRP) FOR MANET UNDER FREE SPACE AND TWO RAY PROPAGATION MODEL
... The transmission power is expressed in dbm in the configuration file of Glomosim this makes it somewhat difficult to get an idea of the transmission range in meters. Therefore a program called radio range is ...
10
Multivariable algorithm for dynamic channel selection in cognitive radio networks
... namic channel selection used in cognitive wireless net- works based on the fuzzy analytical hierarchical process (FAHP) ...of channel availability (AP), estimated channel time availability (ETA), the ...
17
Radio Propagation Prediction for HF Communications
... HF propagation is basically split into skywave, groundwave and near vertical incidence ...Groundwave propagation is used for relatively short links over a few tens of kilometres whereas skywave ...
8
Effect of Ionosphere on Radio Wave Propagation
... In radio communications, not all HF waves are reflected by the ionosphere; there are upper and lower frequency bounds for communications between two ...for radio communication is an important parameter for ...
10
Radio propagation measurement for broadband system
... The phenomenon of reflection, diffraction and scattering all give rise to additional radio propagation paths beyond the direct optical "line of sight" path between the radio transmitter [r] ...
24
A Metaheuristic Approach for Propagation-Model Tuning in LTE Networks
... Further research will include the performance analysis of other metaheuristic approaches [15] and their result com- parison with the DASA. Also, the consideration of urban environments, where the ...
10