cdma-code division multiple access research papers 2012 section 4



 Performance Analysis of BER Improvement for Multi Carrier CDMA System
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Abstract—Multi-carrier code division multiple access is an attractive choice for high speed
wireless communication as it mitigates the problem of inter symbol interference and also
exploits frequency diversity. In order to support multiple users with high speed data 

 CDMA CODING TECHNIQUES FOR INTERCONNECT BETWEEN IP CORES
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V Ravichandran, GKDP Venkatesan, R Rani
Abstract––NoC (network On Chip) is an efficient approach to design the communication
subsystem between IP Cores in SoC (System On Chip). In this paper a CDMA (code division
multiple access) bus is proposed as a communication interconnect for different IP cores. 

 IBI Cancellation and Circular Property Restoration for Broadband DS-CDMA Using FDE without CP Insertion
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M Zheng, W Peng, F Adachi ,www-mobile.ecs.soton.ac.uk
Abstract—-In broadband DS-CDMA uplink transmission using frequency-domain
equalization (FDE) without cyclic prefix (CP) insertion, the transmission performance
degrades due to inter block interference (IBI) and circular property loss. In this paper, IBI 

 Predictive Handoff Based on Mobile Positioning in CDMA System
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LS Abdulla, SA Mawjoud ,alrafidain.engineering-coll-mosul.
Abstract In this paper, the predictive schemes of reducing call termination during handoff in
Code Division Multiple Access (CDMA) system using position location in the required
handoff area with minimum false handoff, where the mobile station (MSs) are located 

 Iterative Interference Cancellation for a PB/MC-CDMA System with MMSE-FDE in the Downlink
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K Lee, K Lee ,onlinepresent.org
Abstract. We introduce novel interference cancellation schemes in order to improve the
performance in the partial block multi-carrier code division multiple access (PB/MC-CDMA)
environment. We are called OIC (order interference canceller). In the OIC scheme, we 

 SIGNAL STRENGTH IMPROVEMENT AT EACH ZERO’S OF THE DIRECTIONAL PATTERN OF A LINEAR ARRAY IN CDMA SYSTEMS
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R MITTAL ,2012
Abstract-In this paper, a technique that involves the control of both the amplitude and phase,
of every element in the array (n-element linear array may possess up to (n-1) independent
zeros), by variation of a set of phase shifters is introduced. The technique may be used to 

 AUnified COMPARISON OF CDMA EVDO KEY PERFORMANCE PARAMETERS IN MULTI-VENDOR ENVIRONMENT
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ABSTRACT With the standardization of CDMA2000-1x, EVDO, and its subsequent
release/revisions (0, A, B, and C) each telecom vendor continues to develop their equipment
as well as network management software for supporting EVDO services and defines 

 Transmitter Implementation Using DS-CDMA Technique in FPGA Using Verilog HDL
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TS Mahbub, S Ahmed, IR Rokon
Abstract-The DS-CDMA is expected to be the major medium access technology in the future
mobile systems owing to its potential capacity enhancement and the robustness against
noise. DS-CDMA is a type of spread-spectrum communication system in which multiple 

 Simulation of Optical CDMA using OOC Code
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MA Borude, S Krishnan ,ijsrp.org
Abstract-This paper examines optical CDMA (OCDMA) communication techniques with
optical orthogonal codes. These optical orthogonal codes (OOC) set are constructed by
using difference set methods. Simulations that show OOC reduce interference due to other 

 PERFORMANCE EVALUATION OF MRC AND EGC DIVERSITY TECHNIQUES FOR DS-CDMASYSTEM OVER DIFFERENT FADING CHANNEL
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D Mandloi, R Dubey, S Patil ,ijetecs.com
Abstract:-This paper deals with the performance evaluation of maximal ratio combining
(MRC) and equal gain combining (EGC) diversity techniques for direct sequence code
division multiple access (DS-CDMA) system over Rayleigh and Rician fading channel. 

 Feedback-Assisted CDMA for the Symmetric Broadcast Channel
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Abstract—The integration of feedback information into a transmission scheme for the
Gaussian broadcast channel has been shown to not only increase reliability but also the
capacity of the channel [1],[2]. However, most literature on the subject has focused on the 

 Multiuser Detection with Neural Network MAI Detector in CDMA Systems for AWGN and Rayleigh Fading Asynchronous Channels
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N Taspinar, Y Isik
Abstract: In this study, the performance of the proposed receiver with the neural network
multiple access interference (MAI) detector is compared with the matched filter bank
(classical receiver), neural network that detects user’s signal and single user bound for 

 A Novel mechanism for interconnection between peripherals in SOC’S using CDMAtechnique
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V Ravichandran, GKDP Venkatesan ,ijsrp.org
Abstract-NoC (network On Chip) is an efficient approach to design the communication
subsystem between IP Cores in SoC (System On Chip). In this paper a communication
infrastructure design using CDMA (Code division multiple access) based shared bus 

 Parameter Optimization in ACO-MuD DS/CDMA
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Abstract—A simple and efficient methodology for tuning the input parameters applied to the
ant colony optimization multiuser detection (ACO-MUD) in direct sequence code division
multiple access (DS-CDMA) is proposed. The motivation in using a heuristic approach is 

 Performance Analysis using Adaptive Decision for Parallel Interference Cancellation Receiver in Asynchronous Multicarrier DS-CDMA Systems
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R Gomathi, AK Gnanasekar, V Nagarajan ,International Journal of Soft
Abstract–In this paper, we present and analyze the performance of asynchronous
multicarrier direct-sequence code division multiple-access (DS-CDMA) system using
adaptive decision at the receiver. In addition to that parallel interference cancellation (PIC) 

The Research of Sequence Partial Ensembles Application in MC-CDMA System
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P Mykhaylenich , and Computer Science (TCSET), 2012 International , 2012 ,ena.lp.edu.ua
Abstract–The research of Walsh sequence partial ensembles application in MC-CDMA
system given in this paper. The analysis of bit error rate performance during data
transmission also conducted. Keywords–Walsh sequence ensembles, Simulation model, 

 CDMA Ad Hoc Networks Using Beam Forming on Demand Routing Protocol for Longer Transmission Range Improvement in the Energy Efficiency Technology
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K Wadile, R Tiwari ,researchtrend.net
ABSTRACT: In this paper, we propose an energy improve on demand longer transmission
range for CDMA mobile ad hoc networks, for which improvements in the energy
consumption are realized by both introducing an energy based routing measure and by 

  Image Authentication: A Comparison of Combined Watermaking Techniques Based on Reversible Watermarking and CDMA in Frequency Domain
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S Bekkouche, A Chouarfia ,ijnmt.com
Abstract In this report, we study a new watermarking method: Combined Reversible
Watermarking/CDMA-DFT called RW/CDMA-DFT (Code Division Multiple Access-Discret
Fourrier Transform) and we compare its result with other combined techniques. The first 

 Non-Parametric Interference Cancellation for CDMA Uplink System
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W Zhang, S Sambhwani ,www-mobile.ecs.soton.ac.uk
(CDMA) system is limited by the mutual interference among users. It is well known that
interference cancellation can significantly increase the CDMA uplink capacity. In this paper,
we present a new interference cancellation scheme based on nonparametric channel 

 Iterative Detection Method for CDMA-Based
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M Kuribayashi, M Morii ,lib.kobe-u.ac.jp
Abstract. Digital fingerprinting of multimedia data involves embedding information in the
content signal and offers the traceability of illegal users who distribute unauthorized copies.
One potential threat to fingerprinting system is collusion, whereby a group of users 

 Design and Performance Analysis of a newly designed 32-User Spectral Phase Encoding system operating at 2.5 Gb/s for Fiber-Optic CDMA Networks
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SR Bhosale, MSB Deosarkar ,icact.org
Abstract-Multiple access techniques are required to meet the demand for high-speed and
large-capacity communications in optical networks, which allow multiple users to share the
fiber bandwidth. Optical code-division multiple-access (O-CDMA) is receiving increased 

 IBI Cancellation and Circular Property Loss Restoration for Broadband DS-CDMA Using FDE without CP Insertion
free download

M Zheng, W Peng, F Adachi ,mobile.ecei.tohoku.ac.jp
Abstract-In broadband DS-CDMA uplink transmission using frequency-domain equalization
(FDE) without cyclic prefix (CP) insertion, the transmission performance degrades due to
inter block interference (IBI) and circular property loss. In this paper, IBI cancellation and 

 CDMA Based Dynamic Bandwidth Allocation (CDBA) Scheme for EPON
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E Inaty, R Raad, P Fortier ,lesc.det.unifi.it
Abstract–In this paper, a code division multiple access (CDMA) enabled dynamic bandwidth
allocation (CDBA) algorithm is proposed for the upstream access scheme for Ethernet
passive optical networks (EPON). The CDBA algorithm is based on two major components 



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