Diversity over space and time
Increased diversity space time coding using the diversity transform
... constructing space-time block codes for multiple-input multiple-output channels by concatenating orthogonal designs with the so-called diversity ...the diversity transform increases the ...
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Space Time Convolutional Codes over Finite Fields and Rings for Systems with Large Diversity Order
... encoder over the finite ring of integers modulo p k , Z p k , where p is a prime number and k is any positive integer, to generate a space-time convolutional code ...STCCs over Z p k . Some ...
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Novel polar coded space time transmit diversity scheme over Rician fading MIMO channels
... [7]. Diversity is an efficient technique to com- bat multipath fading in MIMO ...receive diversity can be enhanced as the number of antennas increases [8, ...9]. Space-time transmit ...
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Representing multifunctional cities: density and diversity in space and time
... urban diversity, density and segregation using new data and software systems based on ...how diversity and density manifest themselves ...of diversity: for a world city – London, for a highly ...
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Full Rate, Full Diversity Adaptive Space Time Block Coding for Transmission over Rayleigh Fading Channels
... Adaptive Space Time Block Coding (ASTBC) scheme based on Singular Value Decomposition (SVD) is proposed for transmission over Ray- leigh fading ...
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Space Time Chip Equalization for Maximum Diversity Space Time Block Coded DS CDMA Downlink Transmission
... so-called space-time block coded DS-CDMA down- link schemes. Many space-time block coded DS-CDMA downlink transmission schemes can be ...multiantenna diversity and the maximum multipath ...
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A Survey on MMSE Detector Using Space Time Diversity Technique
... using space time diversity technique. The full- diversity space- frequency block codes (SFBCs) focused around orthogonal space-time block codes ...the Space ...
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Systematic Design of Space Time Trellis Codes for Diversity and Coding Advantages
... in space-time ...considers diversity advantage and coding advantage for an arbitrary number of transmit antennas and any memoryless ...designing space-time trellis codes for QPSK, 8PSK, ...
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Full Diversity Space Time Error Correcting Codes with Low Complexity Receivers
... We propose an explicit construction of full-diversity space-time block codes, under the constraint of an error correction capability. Furthermore, these codes are constructed in order to be suitable ...
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MMSE Frequency-domain Equalization Combined with Space-time Transmit Diversity and Antenna Receive Diversity for DS-CDMA
... receive diversity can significantly improve the BER performance of DS-CDMA using MMSE-FDE [8, ...promising diversity technique is the transmit antenna diversity ...receive diversity, and ...
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Space-time diversity for CDMA systems over frequency-selective fading channels
... intensively over the last two ...loss, time variation of the channel characteris- tic, noise, and other interferences, reduce the wireless channel into a 'narrow pipe', which does not easily accommodate ...
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Super-Orthogonal Space-Time Turbo Transmit Diversity for CDMA
... significant diversity gains are independent of those conditions that are favorable for a RAKE-type receiver ...ST diversity is not adversely a ff ected by sub- optimal multipath diversity ...the ...
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A Novel Decoder for Unknown Diversity Channels Employing Space Time Codes
... The channel coe ffi cients during di ff erent frame periods were assumed to be statistically independent (quasi-static condi- tions). The short pilot sequence was of two symbols only. The three decoding algorithms examined ...
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Robust optimization over time by learning problem space characteristics
... The first part was responsible for exploitation and the second one for exploration. Gaussian local search and differential mutation were used to improve diversity in the environment. In [27], two multi-population ...
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Robust optimization over time by learning problem space characteristics
... with diversity loss [1]. In [1], methods that deal with diversity were grouped into two categories: methods that maintain diversity during the search and the methods that introduce diversity ...
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Serial Concatenation of Turbo Code and Space-time Block Code (Turbo Space-Time Code) over Rayleigh Fading Channel
... called space-time codes for transmission using multiple transmit antennas over Rayleigh or Rician wireless ...actually space- time trellis code that combines signal processing at the ...
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Geometrical Space Diversity And Distributed Space Diversity Techniques For Wireless Communication Systems
... applications over the internet such as on-line voice, video, and radio/TV ...employ diversity; to trans- mit several replicas of the signal over independent ...well-known diversity schemes ...
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Eutrophication homogenizes shallow lake macrophyte assemblages over space and time
... assemblages over space and ...macrophyte diversity, such as assemblage heterogeneity, are impacted concurrently by eutrophication over space and time and the joint influences of ...
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Summary statistics for size over space and time
... McClelland, 2001). It is reasonable to assume that such an increase in weighting over time should also occur over successive attentional loops. This possibility was not considered in the gNIO model ...
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Summary statistics for size over space and time
... Copyright and reuse: City Research Online aims to make research outputs of City, University of London available to a wider audience.. Copyright and Moral Rights remain with the author([r] ...
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