DS-CDMA RAKE receiver
Performance and Analysis of DS CDMA Rake Receiver
... The rake receiver [3, 6] consists of multiple correlators, in which the receive signal is multiplied by time-shifted versions of a locally generated code ...the rake receiver is designed to ...
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Performance and Analysis of DS-CDMA Rake Receiver and Analyzing the BER Performance in Presence of Nonlinear Distortion in DS-CDMA System
... contribute to BER degradation. The motivation of this work is to provide system designers/operators with efficient tools that provide potential insight into the interactions between CDMA signals and the nonlinear ...
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DS-CDMA Receiver Based on a Five-Port Technology
... spectrum receiver by combining analog and digital signal ...all-digital receiver design approach is that the proposed mixed analog/digital processing results in a symbol rate sampling rather than the ...
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Interference Mitigation by CDMA RAKE Receiver With Walsh Hadamard Sequence
... One of the most important limitations in the field of digital communications is channel capacity. Cause of this, many methods has been designed to goal the usage of a channel in the most efficient way. For cellular ...
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Uplink Performance Evaluation of CDMA Communication System with RAKE Receiver and Multiple Access Interference Cancellation
... [3]. DS-CDMA is a multiple access system, where multiple users share a limited resource, the ...nous DS-CDMA systems allow each user to transmit and receive ...Each receiver performs a ...
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Analysis On MRC For Rake Receiver
... The RAKE receiver can use different combining schemes for instance maximal ratio combining (MRC) ...scheme. Receiver receives different signals with different time ...Wideband CDMA (WCDMA), a ...
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Joint Closed-Loop Power Control and Base Station Assignment for DS-CDMA Receiver in Multipath Fading Channel with Adaptive Beamforming Method
... a RAKE receiver in DS-CDMA system is analyzed in three stages according to ...this receiver uses conjugate gradient (CG) adaptive beamforming to find optimum antenna weights assuming ...
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Nonlinear Multiuser Receiver for Optimized Chaos-Based DS-CDMA Systems
... filter receiver when processing gain is fixed to ...length DS-CDMA ...optimized receiver denoted by optimized chaotic without rake (OCNR) receiver and optimized chaotic with ...
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Evaluation of Downlink Performance of a Multiple Cell, Rake Receiver Assisted CDMA Mobile System
... system under analysis are assumed to employ coherent binary phase shift key (BPSK) modulation and di- rect-sequence (DS) spreading [5]. All the base stations and mobile antennas are assumed to be omnidirectional. ...
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Performance of Generalized Multicarrier DS CDMA over Nakagami $m$ Fading Channels
... multitone DS-CDMA, then a subcarrier signal will overlap with a high number of subcarrier signals of both the same user and with those of the interfering ...the receiver employs a three-finger ...
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Rake Receiver Detection of Adaptive Modulation Aided CDMA over Frequency Selective Channels
... 5]. Receiver antenna diversity using var- ious combining methods [11, Ch 5] and transmitter antenna diversity employing space-time codes [12], [13] belong to the family of space-diversity ...contrast, Rake- ...
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Interference Suppression for CDMA UWB System using LBER Rake receiver Nimmala Naresh
... Multiuser DS-CDMA detectors proposed in [7, 8, 9] for DS-CDMA can be extended to UWB communication, but the major drawback of these techniques is the very high computational ...the ...
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Performance Improvement of Wireless communication System of DS CDMA with Rake Receiver
... difficult.The rake receiver is designed to optimally detect as DS-CDMA signal transmitted over dispersive multipath ...garden rake, the rake receiver collects the energy ...
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BER Analysis of DS-CDMA Using LMS Algorithm and Rake Receiver
... – CDMA is interference limited system hence the capacity of the system is limited by interference as number of users’ ...channel. CDMA takes the advantage of multipath fading ...using RAKE ...
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Design and Performance Analysis of DS-CDMA with Rake and without Rake Receiver Communication System
... When we run the wo_rake.m then this will open this command window. The simulation will perform on this command window, this also shows the information about the no. of user, 15 bit transmitted bit data and 15 bit ...
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Super-Orthogonal Space-Time Turbo Transmit Diversity for CDMA
... adaptive receiver subsystems, including chan- nel estimation, multipath decomposition and RAKE MRC, Doppler tracking, equalization, and several ...normal CDMA opera- tional range and thus provide ...
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Minimum BER Receiver Filters with Block Memory for Uplink DS CDMA Systems
... the MMSE system have the same number of receiver filter coefficients in all the filters when equal values of M, N, L, δ, and l are used. The transmitter filters in both systems are identical. The proposed system is ...
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VHDL IMPLEMENTATION OF DS SS-CDMA TRANSMITTER AND RECEIVER FOR AD HOC NETWORK
... With CDMA, the narrow band message (typically digitized voice data) is multiplied by a large bandwidth signal that is a pseudo random noise code (PN ...a CDMA system use the same frequency band and transmit ...
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Single and Multi Carrier DS CDMA: Multi USer Detection, Space Time Spreading, Synchronisation, Standards and Networking
... of DS/CDMA cellular system using channel activation and soft power control techniques,” in Proceedings of the IEEE Inter- national Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC), ...
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Adaptive DS/CDMA Non Coherent Receiver using MULTIUSER DETECTION Technique
... non-coherent receiver with PN code tracking for direct sequence code division multiple access (DS-CDMA) communication systems in Multipath ...non-coherent receiver approaches to that of the ...
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