[PDF] Top 20 Evaluation of BER in CDMA with Parallel Interference Cancellation

... The design of future broadband wireless systems presents a big challenge, since these systems should be able to cope with severely time-dispersive channels and are expected to have high spectral and power efficiencies. ... See full document

... Linear Parallel Interference Cancellation (WLPIC) [9] is used for MUD scheme in uplink MISO-CDMA ...Linear Parallel Interference Cancellation (CLPIC) MUD schemes with ... See full document

... We evaluate the computation complexity by counting only the number of complexmultiplications in computation of equalizer weights and the received signals processing for each block as in [6]. The complexity of our ... See full document

... The structure of this paper is as follows. In Section II the SDMA sig- nal model as observed on a subcarrier basis in the context of supporting multiple OFDM users with the aid of multiple transmit antennas is out- ... See full document

... (DS- CDMA) systems are a multiple access technique that can be incorporated with cooperative systems in ad hoc and sensor networks ...access interference (MAI) effect that arises from nonorthogonal received ... See full document

... TCM is a powerful forward error correction (FEC) scheme that combines the functions of coding and modulation. It is a bandwidth-efficient scheme that has been widely recognized as an excellent error-control technique ... See full document

... 1.3.5. Performance with Variable Processing Gain In this simulation, 8 active users send 10 symbols re- spectively within each loop. The maximum loop is equal to 100, totalling 8000 symbols sent by the users. The data ... See full document

... The LFSR is a 51 stage delay line, with stages 1 and 4 tapped. The value of each stage is programmed to a unique sequence for each user. The length and taps were chosen to supply a suitable pseudo-random number ... See full document

... multiuser interference- (MUI-) free reception when all users arrive at the base station ...successive interference cancellation (SIC) receiver, where cancellation of interfering signals is ... See full document

... Wavelet transforms provide an alternative to the Discrete Fourier Transform (DFT) used in Orthogonal Frequency Division Multiplex (OFDM) multicarrier transmission. When compared to conventional single-carrier systems, ... See full document

... the CDMA signal that arrived at the BS receiver for the strongest ...the cancellation process before sub- tracting from ...A CDMA signal is now formed which is essentially devoid of the strongest ... See full document

... equal BER criterion only leads to a suboptimal solution for PDC; it forces equal BER for the symbols transmitted in parallel on different spreading codes of a given user, but it does not minimize its ... See full document

... access interference (MAI) in CDMA systems has led many researchers to investigate ways of exploiting the MAI to improve the system ...successive interference cancellation (SIC), and ... See full document

... T URBO equalization, which was first introduced in [1], has been the subject of intensive research efforts and many of the different algorithms originally developed for single-user equalization [2] [3] have been extended ... See full document

... Latva-aho and Lilleberg in [51] investigate Parallel interference cancellation (PIC) based channel parameter estimators for frequency selective fading channels for the uplink in code di[r] ... See full document

... a parallel interference cancellation(PIC) and a bank of turbo ...perform interference cancellation after each con- stituent convolutional ... See full document

... access interference and multipath fading. To minimize the interference cancellation in CDMA networks, multiple user detection schemes and cooperative communication networks are ...cooperative ... See full document

... In an asynchronous system the symbols transmitted dur- ing the i th signalling interval are also affected by all the asynchronous interfering signals transmitted during the intervals ( i + 1) and ( i − 1). Hence, ... See full document

... successive interference cancellation (SIC) as the baseline receiver scheme, considering the expected mobile device evolution in the near ...performance evaluation of NOMA in context of assuming the ... See full document

... Radiolocation has been previously studied for CDMA networks, the effect of Multiple Access Interference has been ignored. In this paper we investigate the problem of Radiolocation in the presence of ... See full document