orthogonal space-time coding
A Real Orthogonal Space Time Coded UWB Scheme for Wireless Secure Communications
... unitary space-time coding scheme for UWB systems, coined as USTC-UWB, which can simultaneously exploit the information security and information-hiding capabilities of space-time ...
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Analysis of Rate One Quasi Orthogonal Space Time Block Coding over Rayleigh Fading Channel
... complex orthogonal space-time code is given by T × N generator matrix ...of time slots for transmitting one block of symbols and the number of transmit antennas ...are orthogonal to ...
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Combined Beamforming with Space Time Frequency Coding for Mimo OFDM Systems
... efficient space-time-frequency (STF) codes have been developed to improve the diversity ...multiple-output orthogonal frequency-division multiplexing (MIMO–OFDM) system using STF Coding and ...
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Performance of serially concatenated channel coding with space time block coding in OFDM transmission systems
... that space-time diversity using space-time coding (STC) is an effective technique to improve wireless communication ...of space-time trellis code (STTC) and ...
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Single Carrier Space Time Trellis and Space Time Block Coding for Dispersive Rayleigh Fading Channels
... ly time selective nor significantly frequency ...investigate space diversity techniques with the aim of improving the system’s ...set. Space-Time Trellis Coding (STTC) pioneered by ...
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Efficient MIMO-OFDM Based Space-Time-Frequency Coding
... of space-time [ST] preparing [3] and ST codes [4] enables us to accomplish, or possibly approach, these limits in down to earth ...ST coding in a MIMO-OFDM framework is apply the ST-codes for the ...
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An enhanced SCHT based Alamouti scheme over multipath channels
... of Orthogonal Space Time Block Coding (OSTBC) based on Multiple Input - Multiple Output (MIMO) using Alamouti - Sequency ordered Complex Hadamard Transform (SCHT) techniques, in order to ...
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A Low Complexity Approach to Space Time Coding for Multipath Fading Channels
... a space-time coding scheme based on the concatena- tion of trellis-coded modulation (TCM) with time-reversal orthogonal space-time block coding ...
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Robust Coding Methods For Space-Time Wireless Communications
... in space-time modulation and coding methods that exploit the presence of multiple transmit and receive ...of space-time codes have been proposed in the liter- ature, such as the layered ...
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Guaranteed Performance Region in Fading Orthogonal Space Time Coded Broadcast Channels
... available at the base as well as perfect CSI at the receivers. This is a form of partial CSI which can be achieved by norm feedback. The combination of norm feedback and covariance information has been analyzed for ...
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Cooperative space time codes with network coding
... In addition to the operational details of the scheme mentioned above, we assume that all the nodes operate in half duplex mode and all the transmitting terminal are assigned orthogonal channels by allocating ...
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Super-Orthogonal Space-Time Turbo Transmit Diversity for CDMA
... In this paper, a new concept of layered super-orthogonal turbo transmit diversity (SOTTD) has been presented for ap- plication in code-division multiple-access (CDMA) commu- nication systems. The techniques of ...
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Censored Distributed Space-Time Coding for Wireless Sensor Networks
... of orthogonal transmission in WSNs, the application of coherent dis- tributed space-time coding was proposed in ...Alamouti’s space-time block code (STBC) [12] and it is assumed ...
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Increased diversity space time coding using the diversity transform
... multi-layered space-time codes, whereby coding based on orthogonal designs is applied to each layer, and where the different layers are linearly depen- dent via some unitary ...
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Space-Time Coding for Large Antenna Arrays
... on space-time coding has assumed that the receiver has full knowledge of the channel, so that coherent detection can be ...capacity-achieving space-time coding ...a coding ...
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Adaptive Modulation Performance In Mimo-OSTBC Over Rayleigh Fading Channel
... MIMO orthogonal space time block coding over frequency selective Rayleigh fading channel, this method is evaluated using Bit Error Rate (BER) and Spectral Efficiency (SE) to determine its ...
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Performance analysis of space time block codes in LTE advanced system
... downlink. Space time code explains, what is transmitted by the array of transmitter in a MIMO communication ...advanced coding concepts along with sophisticated iterative ...II, space ...
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Space-time block coding with imperfect channel estimation and synchronization
... In our study of imperfect channel estimation problem, a simplified Tarokh’s decision rule has been derived based on the pdf of the received signal [29]. This pdf is conditioned on the imperfect channel estimations and ...
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Multiple Antenna Channel Codes for Satellite Communication
... i.e. Space-Time Block Code, Space-Time Trellis Code and Super- Orthogonal Space-Time Trellis Code, are examined in a satellite communication, comparing the gain that the ...
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Partial Feedback Based Orthogonal Space Time Block Coding With Flexible Feedback Bits
... The conventional orthogonal space-time block code (OSTBC) with limited feedback has fixed feedback bits for the specific transmit antennas. A new partial feedback based OSTBC which provides flexible ...
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