random Rayleigh fading channels
Frequency estimation in multipath rayleigh-sparse-fading channels
... multipath Rayleigh-fading channels, ...Gaussian random variables, has been presented in [2]. For channels with independent fading and unknown variances of path amplitudes the ML ...
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Accurate BER of MC DS CDMA over Rayleigh Fading Channels
... Figure 1. BER vs the number of users K in an asynchronous MC-DS-CDMA exposed to Rayleigh fading with random spreading sequences and BPSK modulation. The length of the spreading sequence is L = 7 and ...
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Study of Methods to Mitigate Fading in Mobile Communication
... in random fluctuations of the signal level at the ...such channels, taking into account, the phenomenon of multipath fading and correlation between ...employ Rayleigh, Rice and Nakagami-m ...
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(PER). In this article, the PER is obtained for channels with Rayleigh and Rician fading. In the
... is random and can produce problems for the hardware implementation, directly influencing the Packet Error Rate ...for channels with Rayleigh and Rician ...
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Performance analysis of MIMO SESS with Alamouti scheme over Rayleigh fading channels
... Self-encoded spread spectrum (SESS) is a novel modulation technique that acquires its spreading sequence from the random input data stream rather than through the use of the traditional pseudo-noise code ...
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Online Full Text
... and Rayleigh fading channels) and ...and Rayleigh fading ...by random noise; in Rayleigh fading channel, the data is degraded by random noise and block ...
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Physical Layer Secrecy Performance Analysis over Rayleigh/Nakagami Fading Channels
... a random encryption mechanism, which aims to hide the flow of information in the community in order to weaken interference eavesdropping devices by mapping each message to many codewords according to an ...
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Rayleigh Fading Multi Antenna Channels
... Throughout, we make extensive use of results from the theory of random matrices. Of particular interest are Wishart matrices, which model certain statistics of the Rayleigh chan- nel. We make use of both ...
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A Generalized Algorithm for the Generation of Correlated Rayleigh Fading Envelopes in Wireless Channels
... of Rayleigh fading envelopes with any power (equal or unequal power) corre- sponding to any desired covariance ...Gaussian random variables (with Rayleigh envelopes) with correlation ...
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Performance of JPEG Image Transmission Using Proposed Asymmetric Turbo Code
... fixed random interleaver are pro- ...and Rayleigh fading channels using JPEG algorithm and typical turbo code and proposed turbo code as error ...
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Title: Improved Space Time Block Coding Diversity Technique for Rayleigh Fading Channel in Wireless Systems
... In this paper, an improved STBC technique is proposed and implemented on MIMO system Rayleigh Fading Channel .In this work QAM AND BPSK modulation technique is used. MIMO system using Alamouti STBC coding ...
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Space Time Trellis Coded 8PSK Schemes for Rapid Rayleigh Fading Channels
... As more wireless communication systems are emerging, higher data rates with improved quality of service are re- quired. In general, diversity and error control codes are known to improve the link quality in wireless ...
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Analysis of symmetric key establishment based on reciprocal channel quantization
... (MIMO) channels in the presence of a passive ...the channels to eavesdropper and receiver, the number of multipath components, presences of line of sight and number of antenna being used are considered as ...
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Performance Evaluation of IDEA Encryption Model under different Fading Channels Jagruti A. Patil 1, Prof. Manish M. Patil2
... Performance of IDEA encryption model for BPSK based secured communication system has been compared over AWGN, Rayleigh, Rician and Nakagami fading channels with a 128 bit key. Simulation is carried ...
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Low Complexity MLSE Equalization in Highly Dispersive Rayleigh Fading Channels
... sparse channels compared to its performance in equivalent dense ...sparse channels is not attributed to more diversity due to extra multipath, but rather to the higher level of interconnection between the ...
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CONCATENATED TCM AND BCH FOR 8- PSK OVER RAYLEIGH AND AWGN CHANNEL
... Abstract: This paper presents Trellis coded modulation with 8-PSK for Space communication. TCM is more suitable for space communication compared to other existing modulation techniques because of its bandwidth efficiency ...
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A Novel Mgf Based Analysis of Channel Capacity of Generalized-K Fading with Maximal-Ratio Combining Diversity
... composite fading environment modeled by the Generalized-K distribution at the ...Generalized-K fading channel with arbitrary values for small and large scale fading parameters, we have derived a ...
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Performance analysis of cognitive AF relay networks with multiuser switched diversity in Rayleigh fading channels
... assuming Rayleigh fading ...between channels from the source and relays in the secondary cell and primary user in the primary cell were taken into account in all ...assuming Rayleigh ...
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Performance analysis for cooperative wireless communications
... of fading by sending and receiving multiple independent copies of the same signal, and they can effectively improve the QoS and enhance the transmission robustness of the ...
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Performance Analysis of Two Hop OSTBC Transmission over Rayleigh Fading Channels
... single antenna at the relay, as shown in Figure 1. To make the relay as simple as possible, an AF relaying protocol is employed. It is also assumed that a direct communication link between source and destination is not ...
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