2GHz MIMO channel model from experimental outdoor data analysis in UMTS

Author

Cabrera, Margarita ; Vidal, Josep ; Payaró, Miquel

Author_Institution

TSC Dept, Univ. Politecnica de Catalunya, Barcelona, Spain

Volume

2

fYear

2003

fDate

6-9 Oct. 2003

Firstpage

1172

Abstract

The key objective of this work was to obtain a MIMO model for a line of sight (LOS) channel component as well as the covariance matrix for a non-LOS deployment. A maximum likelihood criteria is applied to obtain a LOS spatial signature vector and a NLOS covariance matrix derived from channel measurements taken in the 2 GHz UMTS spectrum for an urban deployment in Bristol (UK). Different user equipment deployments were considered to represent both LOS and NLOS, as well as static and dynamic (motion) situations. The parameters of interest were estimated from these data and the fitness model was satisfactorily evaluated in all cases. Further, the Kronecker product between transmitter and receiver matrices was evaluated in order to simplify the model, for both, LOS and NLOS cases, including polarization diversity cases.

Keywords

3G mobile communication; MIMO systems; covariance matrices; diversity reception; maximum likelihood detection; stochastic systems; 2 GHz; Kronecker product; MIMO channel model; UMTS; covariance matrix; line of sight channel components; maximum likelihood criteria; nonline of sight; polarization diversity; spatial diversity; spatial signature vector; stochastic channel model; transmitter/receiver matrices; urban environment; 3G mobile communication; Antenna measurements; Broadband antennas; Covariance matrix; Data analysis; MIMO; Polarization; Receiving antennas; Saturn; Transmitters;

fLanguage

English

Publisher

ieee

Conference_Titel

Vehicular Technology Conference, 2003. VTC 2003-Fall. 2003 IEEE 58th

ISSN

1090-3038

Print_ISBN

0-7803-7954-3

Type

conf

DOI

10.1109/VETECF.2003.1285206

Filename

1285206