Results 81 to 90 of about 7,314 (217)
Performance evaluation of channel estimation techniques for a proposed '4G' MC-CDMA based system in a time varying channel [PDF]
, 2004 This paper investigates the performance of channel estimation techniques applied to a proposed fourth generation (4G) multi carrier - code division multiple access (MC-CDMA) system.
Armour, SMD +3 more
core +2 more sources
STBC MC-CDMA systems for indoor and outdoor scenarios
, 2004 We compare the performance of Alamouti's space-time block coded MC-CDMA systems for indoor and outdoor realistic scenarios with zero forcing or minimum mean square error detection schemes. Two different configurations of the system are considered for the
Auffray, Jean-Michel +3 more
core +1 more source
Performance of MMSE STBC MC-CDMA over Rayleigh and MIMO METRA channels
, 2003 International audienceThe performance of MMSE Single-user Detection (SD) and Multi-user Detection (MD) STBC MC-CDMA systems are analysed and compared in the case of two transmit antennas and one or two receive antennas over Rayleigh fading channels and ...
Auffray, Jean-Michel +2 more
core +1 more source
Layered Steered Space–Time-Spreading-Aided Generalized MC DS-CDMA
, 2010 —We present a novel trifunctional multiple-input– multiple-output (MIMO) scheme that intrinsically amalgamates space–time spreading (STS) to achieve a diversity gain and a Vertical Bell Labs layered space–time (V-BLAST) scheme to attain a multiplexing ...
Alamri, Osamah +3 more
core +1 more source
Design of a Baseband Transceiver for Multicarrier CDMA Communications
EURASIP Journal on Advances in Signal Processing, 2005 Multicarrier systems have become popular for their spectral efficiency and robustness against frequency-selective fading. Multicarrier code-division multiple access (MC-CDMA) is a technique that combines the advantage of multicarrier modulation with ...
Tsai Pei-Yun +2 more
doaj +1 more source
, 2005 In this contribution a generalized MC DS-CDMA system invoking smart antennas for improving the achievable performance in the downlink of the system is studied, which is capable of minimizing the downlink interference inflicted upon co-channel mobiles ...
Hanzo, L., Hu, B., Yang, L-L.
core +1 more source
Performance Evaluation of Wavelet Packet Based MC-CDMA and HHT Based MC-CDMA System
International Journal of Advanced Research in Electrical, Electronics and Instrumentation Engineering, 2014 The main aim of this paper is to investigate the performance of multi-carrier code division multiple access (MC-CDMA) technique, which has gain much attention due to its high frequency spectrum efficiency and high data rate transmission and makes the wireless communication more reliable and efficient.
Rajni Jainwal, Virendra K.Verma
openaire +1 more source
Improving Performance of MC-CDMA Systems Using UTTCM Channel Coding
Journal of Telecommunications and Information TechnologyOver the past decade, personal communications have witnessed exponential growth, fueled by the increasing number of connected users and the diversity of transmitted data types. This expansion necessitates a boost in the transmission systems' capacity to
Ridha Ilyas Bendjillali +3 more
doaj +1 more source
BER Performance for Downlink MC-CDMA Systems over Rician Fading Channels
EURASIP Journal on Advances in Signal Processing, 2005 We consider downlink multicarrier code-division multiple-access (MC-CDMA) systems using binary phase-shift keying (BPSK) modulation scheme and maximal ratio combining (MRC) in frequency-selective Rician fading channels. A time-domain method to obtain bit
Vimal K. Dubey, Zhihua Hou
doaj +1 more source
EURASIP Journal on Advances in Signal Processing, 2005 The performance of multicarrier systems is highly impaired by intercarrier interference (ICI) due to frequency synchronization errors at the receiver and by intermodulation distortion (IMD) introduced by a nonlinear amplifier (NLA) at the transmitter ...
Rugini Luca, Banelli Paolo
doaj +1 more source