A Statistical Model for Angle of Arrival in Indoor Multipath Propagation
نویسندگان
چکیده
Multiple antenna systems are a useful way of overcoming the effects of multipath interference, and can allow more efficient use of spectrum. In order to test the effectiveness of various algorithms such as diversity combining, phased array processing, and adaptive array processing in an indoor environment, a channel model is needed which models both the time and angle of arrival in indoor environments. Some data has been collected indoors and some temporal models have been proposed, but no existing model accounts for both time and angle of arrival. This paper discusses existing models for the time of arrival, experimental data that were collected indoors, and a proposed extension of the Saleh-Valenzuela model [1], which accounts for the angle of arrival. Model parameters measured in two different buildings are compared with the parameters presented in the paper by Saleh and Valenzuela, and some statistical validation of the model is presented.
منابع مشابه
Angle and Time of Arrival Statistics of a Three Dimensional Geometrical Scattering Channel Model for Indoor and Outdoor Propagation Environments
In this paper, a three dimensional geometrical scattering channel model for indoor and outdoor wireless propagation environments is introduced. It is based on the assumption that the scatterers are distributed within a spheroid, in which the mobile station and base station are located at the spheroid’s foci. This model captures both the spatial and temporal statistical distributions of the rece...
متن کاملA Novel Statistical AOA Model Pertinent to Indoor Geolocation
A novel statistical angle-of-arrival (AOA) model for indoor geolocation applications is presented. The modeling approach focuses on the arrivals of the multipath components with respect to the line-of-sight (LOS) path which is an important component especially when indoor geolocation applications are considered. The model is particularly important for indoor applications where AOA information c...
متن کاملEvaluation of an Ultra-Wideband Propagation Channel
This paper describes the results of an ultrawideband (UWB) propagation study in which arrays of propagation measurements were made. After a description of the propagation measurement technique, an approach to the spatial and temporal decomposition of an array of measurements into wavefronts impinging on the receiving array is presented. Based on a modification of the CLEAN algorithm, this appro...
متن کاملIndoor Wideband Time/Angle of Arrival Multipath Propagation Results
Most current indoor propagation experiments measure the time of arrival of characteristics of multipath reflections without regard to angle of arrival. Because of the increasing number of systems that are used indoors and which use multiple antenna systems to combat multipath interference, a need exists for indoor propagation data which takes angle of arrival into account. In this paper, a syst...
متن کاملA Model for Spatial Behavior of Multipath Components Pertinent to Indoor Geolocation Using Ray Optics
Challenges for precise indoor geolocation cannot be overcome by using the existing RF models for multipath components (MPC). These models were designed for communication applications without specific attention to relation among the physical distance between the transmitter and the receiver and characteristics of MPCs pertinent to indoor geolocation applications. In this paper, we propose a nove...
متن کامل