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multipath fading mobile channels

Serial Acquisition of DS CDMA Signals in Multipath Fading Mobile Channels

Serial Acquisition of DS CDMA Signals in Multipath Fading Mobile Channels

... quency-selective multipath Rayleigh fading ...the mobile-to-base station link of a DS-CDMA system utilizing binary phase-shift keying (BPSK) ...

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A Comparative Study between Multipath Fading Channels

A Comparative Study between Multipath Fading Channels

... on mobile wireless communication spur the advancement of the wireless communication field in the recent ...our mobile wireless communications by increasing the speed, capacity, performance as well as the ...

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Energy detection based spectrum sensing over enriched multipath fading channels

Energy detection based spectrum sensing over enriched multipath fading channels

... model multipath fading fading conditions owing to strong ionospheric scintillation in satellite links [24] and when mobile satellite channels are modeled as two-state (good/bad) ...

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A Study on Communication Channel Estimation for Emergency Networks in Underground Mining Environment

A Study on Communication Channel Estimation for Emergency Networks in Underground Mining Environment

... of multipath channel and the researches on frequency correlation characteristics have attracted much attention of experts and ...of mobile station for monitoring networks with mobiles devices ...the ...

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Performance Analysis of WiMAX Network For Multipath Fading Channel In Mobile WiMAX

Performance Analysis of WiMAX Network For Multipath Fading Channel In Mobile WiMAX

... wireless channels. We study BER with SNR for multipath Fading Channel with different modulation type, coding and multi requirement and conditions that can be used to as a recommendation in ...

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Frequency estimation in multipath rayleigh-sparse-fading channels

Frequency estimation in multipath rayleigh-sparse-fading channels

... and fading. In mobile channels, multipath components ex- perience different Doppler offsets; however, if the mobile speed and the carrier frequency are relatively low, the frequency ...

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STUDY OF VARIOUS MULTIPATH CHANNELS& SMALL-SCALE FADING& ITS PERFORMAMCE IN WIRELESS COMMUNICATION

STUDY OF VARIOUS MULTIPATH CHANNELS& SMALL-SCALE FADING& ITS PERFORMAMCE IN WIRELESS COMMUNICATION

... the mobile wireless channel, we land at a sanctioned nite-dimensional time-frequency portrayal of the channel that will fill in as the foundation of our ...time-varying multipath channels has extra ...

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Study of Methods to Mitigate Fading in Mobile Communication

Study of Methods to Mitigate Fading in Mobile Communication

... of multipath fading which is inevitable in scattering environments that are subject to changes over ...such channels, but with limited improvements in ...

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Improving Signal Strength in Wireless Mobile Communication using Diversity Combining Technique over Rayleigh Fading Channels

Improving Signal Strength in Wireless Mobile Communication using Diversity Combining Technique over Rayleigh Fading Channels

... than multipath fading arises, to mitigate multipath fading in wireless channel transmitter power control method is used, in this method transmitter on other side of the link preprocessed the ...

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CDMA Downlink Transmission with Transmit Antenna Arrays and Power Control in Multipath Fading Channels

CDMA Downlink Transmission with Transmit Antenna Arrays and Power Control in Multipath Fading Channels

... each mobile receiver; (2) transmitted power is al- located among users so as to minimize the total transmit- ted power from the base station while keeping the SINRs of all links above a certain ...

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MITIGATION OF FADING EFFECTS IN MULTIPATH CHANNELS

MITIGATION OF FADING EFFECTS IN MULTIPATH CHANNELS

... Multipath fading occurs in any propagation environment with the possibility of transmitted signal taking several paths and/or with relative motion among the receiver and the ...wireless mobile ...

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Modelling and Simulation of Multipath Fading Channels for Comparative Analysis of Different M-Array Modulation Schemes

Modelling and Simulation of Multipath Fading Channels for Comparative Analysis of Different M-Array Modulation Schemes

... in fading channels to reduce the effect of flat fading on system performance, including both fixed terminals and mobile communications ...

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Channel length assisted symbol synchronization for OFDM systems in multipath fading channels

Channel length assisted symbol synchronization for OFDM systems in multipath fading channels

... (considering multipath channels) having com- parable complexity (~ O(N)) to that of the simplest approach in [5] (considering AWGN channels), where N denotes the number of ...

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Adaptive relay techniques for OFDM-based cooperative communication systems

Adaptive relay techniques for OFDM-based cooperative communication systems

... Relaying schemes for single-carrier transmission over frequency-selective channels are in- vestigated in [73, 74, 76–79, 81]. A cooperative filter-and-forward beamforming (FF-BF) tech- nique [73, 74, 81] was ...

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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

... d 0 (k) c (k) 0 , . . . , d (k) 0 c (k) G−1 , . . . , d (k) ς −1 c (k) 0 , . . . , d (k) ς −1 c (k) G−1 T (1) where G is the processing gain and [ • ] T denotes the trans- position operation. The sequence of each data ...

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Optimal Spacing Design for Pilots in OFDM Systems over Multipath Fading Channels

Optimal Spacing Design for Pilots in OFDM Systems over Multipath Fading Channels

... To approach the theoretical results of the estimation problem, we have to reduce the noise effect on received pilot symbols with high SNR regimes. We have treated the case of invariant multipath channel over each ...

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New results for Shannon capacity over generalized multipath fading channels with MRC diversity

New results for Shannon capacity over generalized multipath fading channels with MRC diversity

... Rayleigh multipath flat fading channel with L-branch MRC receiver and an tight approximation for Weibull case in terms of Meijer ...all multipath fading channels ...the fading ...

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Bit Error Rate (BER) Analysis of Rayleigh Fad...

Bit Error Rate (BER) Analysis of Rayleigh Fad...

... a mobile communication environment the channel is not time invariant and is slowly ...called Fading. Fading channels induce rapid amplitude fluctuations in the received ...Rayleigh ...

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Research on Anti Jamming Performance of GMSK in Shortwave Frequency Hopping

Research on Anti Jamming Performance of GMSK in Shortwave Frequency Hopping

... Frequency hopping communication realizes communication by changing the carrier frequency determined by the sender and the receiver and carries the frequency hopping of signal messages in a wide frequency band against ...

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Spectrum Sensing Over Multipath Fading Channels through Ofdm Signals for Cognitive Radios

Spectrum Sensing Over Multipath Fading Channels through Ofdm Signals for Cognitive Radios

... [13] J. K. Tugnait, “On multiple antenna spectrum sensing under noise variance uncertainty and flat fading,” IEEE Trans. Signal Process., vol. 60, no. 4, pp. 1823-1832, Apr. 2012. [14] X. Wang, H. Li, and H. Lin, ...

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