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DS-CDMA multipath fading channels

Serial Acquisition of DS CDMA Signals in Multipath Fading Mobile Channels

Serial Acquisition of DS CDMA Signals in Multipath Fading Mobile Channels

... Hence, our goal in this paper is to quantify the performance of serial search acquisition systems under the hypothesis that there are multiple cells in the uncertainty region of the PN sequence. Specifically, we assume ...

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A Reed Solomon Coded DS CDMA System Using Noncoherent M ary Orthogonal Modulation over Multipath Fading Channels

A Reed Solomon Coded DS CDMA System Using Noncoherent M ary Orthogonal Modulation over Multipath Fading Channels

... coded DS-CDMA system by using “errors-and-erasures” ...coded DS-CDMA system, when -ary orthogonal signaling is employed in conjunction with an RTT-based erasure insertion scheme over ...

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Bit Error Performance for Asynchronous Ds Cdma Systems Over Multipath Rayleigh Fading Channels (RESEARCH NOTE)

Bit Error Performance for Asynchronous Ds Cdma Systems Over Multipath Rayleigh Fading Channels (RESEARCH NOTE)

... of CDMA as an alternative to traditional frequency–division multiple − access (FDMA) and time–division multiple–access (TDMA) techniques in mobile communications ...In CDMA, multiple users transmit, often ...

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Analysis of a Combined Antenna Arrays and Reverse Link Synchronous DS CDMA System over Multipath Rician Fading Channels

Analysis of a Combined Antenna Arrays and Reverse Link Synchronous DS CDMA System over Multipath Rician Fading Channels

... Rayleigh fading and have neglected the performance benefit of having a specular component in Rician fading channel, which is often characterized in microcellular envi- ronments [14, ...asynchronous ...

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Comparison of Bit Error Rate for Multipath Fading Channel in DS CDMA

Comparison of Bit Error Rate for Multipath Fading Channel in DS CDMA

... various multipath fading channels, the criterion is comparison of the variation of BER for different ...Rician fading channel over Binary Phase Shift Keying modulation ...per fading ...

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Adaptive constrained CM based multicarrier CDMA receivers in multipath fading channels

Adaptive constrained CM based multicarrier CDMA receivers in multipath fading channels

... of DS-CDMA system, the received signal is passed through a bank of filters, called a cyclically shifted filter bank (CSFB), and each of which is a cyclically shifted version of the matched filter ...

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An Efficient Code Timing Estimator for DS CDMA Systems over Resolvable Multipath Channels

An Efficient Code Timing Estimator for DS CDMA Systems over Resolvable Multipath Channels

... flat fading case, supe- rior to the other estimators such as the correlator [4], the minimum mean-square-error-based code-timing estimator [11], and the MUSIC code-timing estimator [5, 6] (see ...resolvable ...

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Performance of Reverse Link Synchronous DS CDMA System on a Frequency Selective Multipath Fading Channel with Imperfect Power Control

Performance of Reverse Link Synchronous DS CDMA System on a Frequency Selective Multipath Fading Channel with Imperfect Power Control

... synchronous DS-CDMA system over frequency selective Rayleigh fading channels in the presence of imperfect power control ...the multipath intensity profile (MIP) shape and the number of ...

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A Unified Approach to the Analysis of Multicarrier DS CDMA over Nakagami $M$ Fading Channels

A Unified Approach to the Analysis of Multicarrier DS CDMA over Nakagami $M$ Fading Channels

... multicarrier DS-CDMA (MC DS-CDMA) schemes is defined and its performance is considered over multipath Nakagami- m fading ...MC DS-CDMA scheme is a variable, ...

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Fuzzy MIMO detector for MC CDMA systems with carrier frequency offset over multipath fading channels

Fuzzy MIMO detector for MC CDMA systems with carrier frequency offset over multipath fading channels

... (MC- CDMA) systems [1-4] are currently under consideration for application in WiMAX and WiFi systems in future broadband wireless communication ...against multipath fading channels. Like a ...

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Slow Frequency Hopping Multicarrier DS CDMA for Transmission over Nakagami Multipath Fading Channels

Slow Frequency Hopping Multicarrier DS CDMA for Transmission over Nakagami Multipath Fading Channels

... (SFH/MC DS-CDMA) is proposed and inves- tigated, which can be rendered compatible with the existing second-generation narrowband CDMA and third-generation wideband CDMA ...a multipath ...

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MC DS CDMA System Based on DWT and STBC in
Multipath Fading ITU Channels Model

MC DS CDMA System Based on DWT and STBC in Multipath Fading ITU Channels Model

... and this symbol as planned Alamouti scheme (Chisab and Shukla, 2014). Therefore, systems employing 3 or more transmit antennas need to sacrifice either diversity or transmission rate. The Wavelet Transforms (WT) is ...

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Performance of Generalized Multicarrier DS CDMA over Nakagami $m$ Fading Channels

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 ...

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Reverse Link Performance of Synchronous Cellular DS CDMA Networks in Dispersive Rician Multipath Fading Channels

Reverse Link Performance of Synchronous Cellular DS CDMA Networks in Dispersive Rician Multipath Fading Channels

... Even though a user capacity degradation is encountered in realistic multiple-cell scenarios compared to the single-cell case, the system still exhibits a performance gain for the synchro[r] ...

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A Comparative Study between Multipath Fading Channels

A Comparative Study between Multipath Fading Channels

... Abstract - There are various kinds of channel used in wireless communication. This Paper shows a performance analysis on the basis of different fading channels. This is the comparative analysis with ...

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Study of Methods to Mitigate Fading in Mobile Communication

Study of Methods to Mitigate Fading in Mobile Communication

... SIMO communication-systems utilize one antenna at the transmitter and multiple antennas at the receiver, Fig. 2. Thus, any signal transmitted from the single transmit- antenna will arrive at all receiver antennas through ...

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Performance of multicarrier complementary coded CDMA under frequency selective Nakagami m fading channels

Performance of multicarrier complementary coded CDMA under frequency selective Nakagami m fading channels

... coded CDMA with conventional CDMA systems employ- ing Walsh codes to show the advantage of CC-CDMA in obtaining large diversity gain when incorporating PIC with different combining ...

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Serial Acquisition Performance of Single  and Multi carrier DS CDMA over Nakagami $m$ Fading Channels

Serial Acquisition Performance of Single and Multi carrier DS CDMA over Nakagami $m$ Fading Channels

... Nakagami- fading. The PN code acquisition performance of single-carrier and MC DS-CDMA systems is analyzed and compared when commu- nicating over Nakagami- fading channels under the ...

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Acquisition performance study of single  and multi carrier DS CDMA over Nakagami m fading channels

Acquisition performance study of single and multi carrier DS CDMA over Nakagami m fading channels

... In addition, for any given threshold h, the mean acquisition time decreases, as the SNR/chip increases, and nally can reach a residual value, which is essentially due to the `penalty tim[r] ...

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Novel low PAPR parallel FSOK transceiver design for MC CDMA system over multipath fading channels

Novel low PAPR parallel FSOK transceiver design for MC CDMA system over multipath fading channels

... communications with a high data rate and high perfor- mance over multipath fading channels. First, for a mul- tiuser uplink, the parallel FSOK scheme with interleaved subcarrier assignments is ...

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