space-time transmission schemes
On the Capacity of Certain Space Time Coding Schemes
... These operations may be ordered di ff erently and can be done in a more or less joint fashion. For example, the original bit stream may be encoded first as a whole, and then de- multiplexed onto the M antennas. ...
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Near Instantaneously Adaptive Cooperative Schemes based on Space Time Block Codes and V BLAST
... a Time Division Duplexing (TDD) system where users share their data amongst each other on different time slots before communicating with the ...their transmission instants according to their prop- ...
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Linear and Nonlinear Time Domain Block Equalizers on MIMO Frequency Selective Channels
... equalization schemes in time domain for the SC transmission with short block length, where the CSI is only available at the ...the space and time domain for MIMO frequency selective ...
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Frequency domain equalization space time block coded CDMA transmission system
... (STBC) schemes have emerged as a powerful transmit diversity technique to combat fading in wireless ...successful space-time coding scheme was first proposed by Alamouti [1] for the case of two ...
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Space Time Trellis Coded 8PSK Schemes for Rapid Rayleigh Fading Channels
... both space and ...higher transmission rates at very good quality via providing diversity in time and ...of space-time (ST) codes had appeared first in [3], referred to as the delay ...
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Comparative Study of Different Space Time Coding Schemes for MC CDMA Systems
... Alamouti space-time code (STC), space-time block code (STBC), space-time trellis code (STTC), space-time turbo trellis codes (STTTC), and layered ...
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Spatial Capacity of UWB Networks with Space Time Focusing Transmission
... the time-focusing gain are mutually inhibited in improving the spatial ...a time slot with weaker ...transmit time slot of one user depends on the transmit time slot of other users, and it ...
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A Set of Space Time Block Codes for the High Rate Transmission Scheme with One Information Bit
... rate>1 transmission scheme by exploiting the inherent algebraic structure for 2 and 4 transmit ...Jafarkhani schemes, the system performance is at- tenuated due to rotating or scaling one transmit matrix ...
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Multi cell cooperative transmission based on unitary space time modulation
... erative transmission schemes assume coherent transmis- sion based on CSI exchange, which is impractical for the high-speed ...unitary space-time modulation, in which not only inter- cell CCI ...
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Space Time Chip Equalization for Maximum Diversity Space Time Block Coded DS CDMA Downlink Transmission
... (MUI). Space-time chip equalization is an efficient tool to restore the orthogonality of the user signals and suppress the ...on space-time block coding (STBC) techniques, and aims at combining ...
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Modeling And Analysis Of Modulation Schemes On Antenna Space Blocks Time Code
... 16 schemes, showing the best schemes in signal transmission, and also showing the different constellation diagrams for the different modulation ...
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Buffer aided distributed space time coding schemes and algorithms for cooperative DS CDMA systems
... distributed space-time coding (DSTC) schemes and relay selection algorithms for cooperative direct-sequence code-division multiple access (DS-CDMA) ...appropriate time for ...the ...
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Successive interference cancellation schemes for time-reversal space-time block codes
... Recently, space-time coding for frequency-selective fading en- vironments has attracted great attention, and it has been demon- strated that the downlink performance of wireless communication systems can be ...
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Performance of serially concatenated channel coding with space time block coding in OFDM transmission systems
... We have proposed serially concatenated BCH code with STBC-OD in OFDM systems employing multiple transmit and receive antennas. Our proposed system gives significant gain over CSTBC-OFDM systems both by using multiple ...
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Differential space time modulation schemes for smart antenna aided generalized multicarrier DS CDMA systems
... differential space- time processing schemes based on the principles of DSTS and DSSTS, in order to enhance the attainable performance of gen- eralized MC DS-CDMA systems operating in fast fading ...
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A Study of Performance Enhancement Schemes for Multicarrier Transmission
... The high PAPR (peak-to-average power ratio) of transmitted signals is considered to be one of the major drawbacks of multicarrier transmission because the power efficiency decreases as the signal fluctuation ...
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A second order anti-diffusive Lagrange-remap scheme for two-component flows
... (2) In comparison with the first order schemes, the second order methods improved the numerical con- vergence orders. However, the numerical orders that are reached are less or approximately equal to 1 instead of ...
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High order space-time finite element schemes for acoustic and viscodynamic wave equations with temporal decoupling
... uniform time steps and, to demonstrate the computed space-time convergence rate, we meshed the domain with an N by N ...in space and time of degree up to 7, with the same degree being ...
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Time and space
... negative space between the modes is so limited that it helps the viewer to perceive the sculpture as a ...negative space contributes to the total pattern of this work of ...
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Advanced Scalable Shoulder Surfing Resistance Password Authentication Scheme
... password schemes that are proposed in the last decade, But most of them suffer from shoulder surfing which is also a big ...passwords schemes that have been proposed which are resistant to various ...
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