DS/CDMA wireless communication systems
Signal Processing by Generalized Receiver in DS-CDMA Wireless Communication Systems with Optimal Combining and Partial Cancellation
... Another problem discussed is the problem of partial cancellation factor (PCF) in a DS-CDMA system with multipath fading channel. It is well known that the multiple access interference (MAI) can be e ffi ...
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Performance Improvement of Wireless communication System of DS CDMA with Rake Receiver
... the CDMA Rake receiver is used. In a wireless mobile communication system, a signal can travel from transmitter (TX) to receiver (RX) over multiple paths; this phenomenon is referred to as multipath ...
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Performance of Generalized Multicarrier DS CDMA over Nakagami $m$ Fading Channels
... the Communication Group, Department of Electronics and Computer Science, University of Southampton, ...ultrawide-band CDMA systems for the advanced wireless mobile communication ...
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An Iterative Multiuser Detector for Turbo-Coded DS-CDMA Systems
... of communication engineering and wireless ...vanced CDMA systems with specific focus on system-level design of multiuser detectors for the channel coding (with emphasis on turbo and turbo-like ...
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Ant Colony Based Multiuser Detection for MC DS CDMA Systems
... MC DS-CDMA ...in wireless communication ...single-carrier DS-CDMA system’s MUD of [22] to a multi- carrier DS-CDMA system ...MC DS-CDMA are ...
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Blind linear multiuser detection for DS-CDMA wireless networks
... globalised, wireless telecommunica tion must be able to provide mobile communications “anywhere” and ...future wireless communication systems, mainly due to its promise of capacity ...
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Adaptive Rate DS CDMA Systems using Variable Spreading Factors
... intelligent wireless networking, error-control coding, modulation and demodulation, spread-spectrum communications and multiuser detection, pseudonoise (PN) code synchronization, smart antennas, and adaptive ...
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Performance Analysis of Multi User Detectors for Synchronous DS CDMA Systems
... The communication system has challenge of obliging numerous users in a little ...The wireless space is the present territory of ...conventional systems utilized either frequency spectrum sharing or ...
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Improved Iterative Parallel Interference Cancellation Receiver for Future Wireless DS-CDMA Systems
... (CDMA) communication systems can be identified in their vulnerability to multiple access interference (MAI): hence, during the 90s, great attention has been devoted to multiuser detection strategies ...
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Differential Space Time Block Code Modulation for DS CDMA Systems
... Recently, Alamouti [2] proposed a simple and useful transmit diversity scheme to improve the overall perfor- mance of wireless communication systems in flat fading channels. This scheme is one of ...
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Nonlinear Multiuser Receiver for Optimized Chaos-Based DS-CDMA Systems
... of CDMA applications, the network learns the association between the input vector and the desired response in training ...of DS-CDMA system such as the code sequence matrix (S) and user amplitude ...
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Accurate BER Analysis of Asynchronous DS CDMA Systems in Ricean Channels
... The organization of this paper is as follows. In Section II an asynchronous DS-CDMA system using BPSK modulation is considered in the context of a Ricean fading channel. Then in Section III an accurate BER ...
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FPGA Implementation of Low Complexity VLSI Architecture for DS CDMA Communication System
... for CDMA. The latest technology advancement in cellular mobile communication systems has become more demanding for better quality of ...transfer. CDMA communication system easily meets ...
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Analysis, Design, and Test of CDMA LFSR with Offset Mask Using Standard ICs
... Hardware implementation of Linear Feedback Shift Register (LFSR) plays a great and very impor- tant role in communication systems, and in many security devices. In this paper, a design of LFSR with offset ...
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A Unified Approach to the Analysis of Multicarrier DS CDMA over Nakagami $M$ Fading Channels
... MC DS-CDMA schemes in terms of m = 1, 2 and ∞ ...multitone DS-CDMA outperforms orthogonal MC ...MC DS-CDMA outperforms multitone ...MC DS-CDMA schemes are ...
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Blind Reduced Rank MMSE Detector for DS CDMA Systems
... for DS-CDMA and briefly introducing the linear MMSE detector, we derive a reduced- rank MMSE detector which lies in a specific subspace of the signal ...
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Binary De Bruijn sequences for DS CDMA systems: analysis and results
... a DS- CDMA receiver to detect the desired signal relies to a great extent on the auto-correlation properties of the spreading code associated to each user; on the other hand, multi-user interference ...
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Coherent Code Tracking for Spatial Transmit Diversity DS-CDMA Systems
... In this paper, we consider techniques for tracking the de- lay of a received signal component when spatial transmit di- versity is employed. Closed loop synchronization techniques are generally used for this purpose. The ...
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Bi-Level Fh-Cdma Scheme For Communication Systems Over Rayleigh And Rician Channels
... This paper proposes a “two-level” frequency hopping code- division multiple-access (FH-CDMA) scheme for digital wireless communication systems for the fading channels like Rayleigh and Rician ...
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Exploring the reconfigurability options of multi carrier CDMA in cognitive radio systems
... Nolan K. [8] suggested the option of dynamic selection of sub- carriers in an OFDM system using a channel mask and an enhanced training symbol (ETS). More recently, [16] has ex- plored the option of nulling certain ...
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