TY - GEN
T1 - Time-scale domain characterization of ultrawideband 2× 2 MIMO channel and range extension for Infostation environment
AU - Zahedi, Yasser K.
AU - Okonkwo, Uche A.K.Chude
AU - Ngah, Razali
AU - Abd Rahman, Tharek
AU - Mamat, Nor Aswani
PY - 2012
Y1 - 2012
N2 - In this paper, we present the time-scale domain channel characterization of the multiple-input-multiple-output ultra-wideband (MIMO-UWB) channel typical of the Infostation channel. Specifically, we consider 2× 2 MIMO-UWB taking into account the mobility of the transceiver (time-variation). Due to the uniqueness of the time-varying UWB propagation mechanism, we consider the channel response as a time-scale domain tensor instead of a matrix, and define a time-scale domain MIMO-UWB channel representation. We use the tensor model to represent a typical Infostation channel and obtain the diversity gain, and invariably the range extension in terms of signal-to-noise ratio (SNR) for both the single-input-single-output (SISO) and MIMO cases at different data rates. Results show that at an acceptable SNR of say 12 dB and data rate of 55 Mbps, the coverage range can be extended from 15 m to well over 25 m using 2× 2 MIMO. For 110 Mbps, the range can be extended from 10 m to 25 m. And in the case of 480 Mbps, the impact of using 2× 2 MIMO-UWB in the range extension is not quite appreciable.
AB - In this paper, we present the time-scale domain channel characterization of the multiple-input-multiple-output ultra-wideband (MIMO-UWB) channel typical of the Infostation channel. Specifically, we consider 2× 2 MIMO-UWB taking into account the mobility of the transceiver (time-variation). Due to the uniqueness of the time-varying UWB propagation mechanism, we consider the channel response as a time-scale domain tensor instead of a matrix, and define a time-scale domain MIMO-UWB channel representation. We use the tensor model to represent a typical Infostation channel and obtain the diversity gain, and invariably the range extension in terms of signal-to-noise ratio (SNR) for both the single-input-single-output (SISO) and MIMO cases at different data rates. Results show that at an acceptable SNR of say 12 dB and data rate of 55 Mbps, the coverage range can be extended from 15 m to well over 25 m using 2× 2 MIMO. For 110 Mbps, the range can be extended from 10 m to 25 m. And in the case of 480 Mbps, the impact of using 2× 2 MIMO-UWB in the range extension is not quite appreciable.
KW - MIMO-UWB
KW - range extension
KW - tensor
KW - time-scale domain
UR - http://www.scopus.com/inward/record.url?scp=84873139204&partnerID=8YFLogxK
U2 - 10.1109/ISWTA.2012.6373831
DO - 10.1109/ISWTA.2012.6373831
M3 - Conference contribution
AN - SCOPUS:84873139204
SN - 9781467322102
T3 - IEEE Symposium on Wireless Technology and Applications, ISWTA
SP - 151
EP - 155
BT - ISWTA 2012 - 2012 IEEE Symposium on Wireless Technology and Applications
T2 - 2012 IEEE Symposium on Wireless Technology and Applications, ISWTA 2012
Y2 - 23 September 2012 through 26 September 2012
ER -