indoor radio
Dynamic 3 D Indoor Radio Propagation Model and Applications with Radios from 433 MHZ to 2 4 GHz
... precise indoor radio pro- pagation model [6,24,64-69] that would make the data- base construction an automated ...promising radio models that could be used to build dynamic database to map lo- cation ...
14
Geometrically Based Channel Model for Indoor Radio Propagation with Directional Antennas
... A novel GCM for indoor radio propagation with directional antennas has been presented. The Von Mises function that includes a wide variety of nonisotropic scenarios was proposed to describe the beam shapes ...
16
Hybrid Real Time and Preset Processing for Indoor Radio Geo Location in Dense Multipath Environments
... the indoor geo-location problems. Since, Impulse Radio Ultra-Wideband (IR-UWB) signals have very short duration pulses; they can provide very accurate ranging and geo-location capability in short range ...
11
Indoor Radio Propagation Model Based on Dominant Path
... the indoor environment such as elevator, the radio waves basically can not penetrate ...the radio waves will reach the user by bypass ...an indoor radio propagation model based on ...
8
Modeling the Effect of Periodic Wall Roughness on the Indoor Radio Propagation Channel
... Abstract—A deterministic model based on ray tracing and dealing with periodic roughness is developed, for an indoor radio propagation channel and experimentally validated at a frequency of 10 GHz. Two ...
13
Channel sounding and indoor radio channel characteristics in the W band
... directional radio channel measurements in the W-band using a commercial versatile channel sounder based on a vector network analyzer (VNA), capable of measuring scattering parameters from 75 to 500 GHz with ...
8
Indoor Radio Propagation
... Chapter 1 give an overview of Indoor Radio Propagation, the objective of the project are stated clearly. There are few problem statements that explain about the existing problems which is eventually lead to ...
24
Implementation and Validation of a New Combined Model for Outdoor to Indoor Radio Coverage Predictions
... the indoor radio coverage by using specific indoor solu- tions such as Femtocells ...the indoor radio capacity and ...to indoor propagation tools, that are able to compute the ...
9
A Lightweight Robust Indoor Radio Tomographic Imaging Method in Wireless Sensor Networks
... of indoor location-based services ...a radio device is attached to the target to be localized ...its radio device and other nodes in the network whose locations are ...
13
Spatial Dynamics of Indoor Radio Wideband Channels
... Line-of-sight components are more stable than nonline- of-sight ones in fact, they are seen across the entire one- meter range of our measurements. The spatial dynamics of nonline-of-sight radio channels appear to ...
8
Simulation of Indoor 60 GHz Millimeter Wave Propagation Characteristics Based on PSO Optimized SVM
... The parameters of the PSO are set as follows: the population number is 20, the evolution maximum number of iterations is 200, and the crossover probability is 0.6. C = 231.584 and g = 0.00390625 can be obtained by using ...
11
Development of Radio Wave Propagation Model in Indoor Non-Line-of-Sight (NLOS) Scenario
... an indoor WLAN, it is very important to estimate specific received signal strength based on experimental and predicting ...new radio wave propagation model for indoor Non-Line-of-Sight (NLOS) ...
13
Index Terms - Radio Wave Propagation, Doppler Effect, indoor propagation models, path loss
... Abstract- Radio wave propagation models are recently important for wireless network designer while designing the specific network design in definite regions, building and ...designing indoor wireless ...of ...
6
The Simulation of Indoor Service Range Prediction of Wireless Radio Access Point for Radio over Fiber System
... on indoor radio transmission ...in indoor radio communication environments by ...various indoor communication channel links by taking the effects of fading floors and corridors ...
5
Performance Evaluation of 24GHz Spectrum Indoor Wireless Radio Links
... The path loss and delay characteristics of indoor radio channels from 2.4 GHz to 24 GHz were carefully investigated in a typical modern building in [8]. The direct proportionality between the frequency and ...
6
Geometry-Based Statistical Model for Radio Propagation in Rectangular Office Buildings
... In indoor radio channels, the signals arriving at the Rx consist of a number of multipath components originated from the ...in indoor environments as mentioned in [16] and ...
26
Indoor location based services market drivers and challenges
... One of the solutions, which has already shown its practicality and growing popularity, is crowd-source and volunteer-based mappings. Collaborative mapping and crowdsourcing are two methods of generating spatial content ...
15
Correlation based radio localization in an indoor environment
... transmitter locations or the transmitted signal, but do assume that there are ambient signal sources whose location and properties are, however, not known. The motivation for this kind of node localization is to avoid ...
15
Indoor Localization Systems for Passive UHF RFID Tag Based on RSSI Radio Map Database
... Recently, RFID technologies have been widely used in modern logistics and tracking systems as a reliable monitoring and identification platform. RFID technology is emerged as low-cost and flexible implementations which ...
10
Carrier frequency offset estimation for OFDM systems with time-varying DC Offset
... In addition to CFO, OFDM may also suffer from other disturbances such as direct current offset (DCO). For the sake of cost and power efficiency, mobile receiver architecture is under evolution from superheterodyne to direct ...
6