Title :
Channel Identification and Equalization for Multi-Transmit Antenna MC-CDMA Systems with Orthogonal Space-Frequency Coding
Author :
Marousis, A.D. ; Constantinou, P.
Author_Institution :
Sch. of Electr. & Comput. Eng., Nat. Tech. Univ. of Athens
Abstract :
The combination of multi-carrier CDMA and multiple antennas is a very promising candidate for the downlink in 4G systems, since it achieves robustness, high spectral efficiency, and high data rates in rich scattering environments. This paper presents the design and evaluation of a channel identification scheme as a key factor for the overall performance of MC-CDMA systems. It is efficient by means of both the mean square error (MSE) and its incorporation in a real space-frequency coded MIMO system (BER). The evaluation has been performed over the spatial channel model according to 802.16e case of 3GPP.25.996, incorporating all IF/RF stages
Keywords :
4G mobile communication; MIMO communication; antenna arrays; channel allocation; code division multiple access; equalisers; error statistics; mean square error methods; transmitting antennas; 4G systems; BER; MC-CDMA systems; MIMO system; MSE; channel equalization; channel identification; mean square error; multicarrier CDMA; multitransmit antenna; orthogonal space-frequency coding; spatial channel model; Bit error rate; Downlink; MIMO; Mean square error methods; Multiaccess communication; Multicarrier code division multiple access; Performance evaluation; Radio frequency; Robustness; Scattering;
Conference_Titel :
Communications and Vehicular Technology, 2006 Symposium on
Conference_Location :
Liege
Print_ISBN :
0-7803-9785-1
Electronic_ISBN :
0-7803-9785-1
DOI :
10.1109/SCVT.2006.334365
