Title :
A New SC/MMSE Turbo Equalization for MC-CDMA to use in Inter-Vehicle Communication
Author :
Hiraiwa, Noriaki ; Sakata, Atsunori ; Yamazato, Takaya ; Katayama, Masaaki
Author_Institution :
Dept. of Electr. Eng. & Comput. Sci., Nagoya Univ., Nagoya
Abstract :
In this paper, we propose a new SC/MMSE Turbo equalizer for MC-CDMA to use in inter-vehicle communication (IVC). We modify the weight of the MMSE filter of SC/MMSE Turbo equalizer so that it can combat with frequency-selective fading in highly mobile IVC environment and also can mitigate the effect of multiple access interferences (MAI). As results, we show that better throughput is obtained by the proposed SC/MMSE equalization than the conventional one. The average reception range can be up to 70 [m] and the signals from 16 surrounding cars can be received. While for the conventional scheme, only three signals from the nearest cars are achieved.
Keywords :
code division multiple access; least mean squares methods; mobile communication; road vehicles; MC-CDMA; MMSE filter; SC-MMSE Turbo equalization; frequency-selective fading; intervehicle communication; multiple access interferences; soft canceller with minimum mean square error; Degradation; Equalizers; Fading; Interference suppression; Intersymbol interference; Multiaccess communication; Multicarrier code division multiple access; Multiple access interference; Radio broadcasting; Throughput;
Conference_Titel :
Vehicular Technology Conference, 2008. VTC 2008-Fall. IEEE 68th
Conference_Location :
Calgary, BC
Print_ISBN :
978-1-4244-1721-6
Electronic_ISBN :
1090-3038
DOI :
10.1109/VETECF.2008.257