Space-Time Transmit Diversity (STTD)
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, ...
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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 ...of transmit and receive diversity can be enhanced as the number of antennas increases [8, ...9]. ...
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Space-Time Block Coded-Joint Transmit/Receive Antenna Diversity using more than 4 Receive Antennas
... Comparison of STBC-JTRD and STTD is summarized in Table 2. An advantage of STBC-JTRD is that an arbitrary number of transmit antennas can be used without sacrificing the coding rate. STBC-JTRD is suitable for the ...
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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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Performance of Broadband Multicarrier DS CDMA using Space Time Spreading Assisted Transmit Diversity
... Fig. 5 shows the probability density function (pdf) of the cor- relation factor between the signals of user 1 and user 2 for a two-user MC DS-CDMA system employing STS-based transmit diversity, when ...
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Diversity Analysis of Distributed Space-Time Codes in Relay Networks with Multiple Transmit/Receive Antennas
... of space-time coding devised for multiple-antenna systems is applied to the problem of communication over a wireless relay network, a strategy called distributed space-time coding, to achieve ...
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A Simple Differential Modulation Scheme for Quasi Orthogonal Space Time Block Codes with Partial Transmit Diversity
... quasi-orthogonal space-time block ...partial transmit diversity is presented for various numbers of transmit ...four transmit antennas is also ...
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Full Rate Full Diversity Linear Quasi Orthogonal Space Time Codes for Any Number of Transmit Antennas
... quasi-orthogonal space-time block codes that achieve full diversity over quasistatic fading channels for any transmit ...of transmit antennas is a power of 2, these codes are also delay ...
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Differential Detection of Space Time Spreading with Two Transmit Antennas
... Signal-to-noise ratio (SNR) is defined as E s /N 0 , the average received energy per symbol over noise power spectral den- sity. For STS using coherent detection, since perfect knowl- edge on channel is assumed, the ...
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Increased diversity space time coding using the diversity transform
... The diversity transform can be optimized with respect to the cutoff rate using either one of the aforementioned ...optimum diversity matrix, denoted A M,N (m, n), is SNR dependent, with n and m being the ...
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Non Vanishing Space Time Block Code for Three Time Slots and Two Transmit Antennas
... uplink diversity gain ...two transmit antennas systems [7]. Its encoding matrix includes two time slots Alamouti scheme followed by one time slot repetition ...full diversity. To remove ...
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On Polarization Transmit Diversity in CDMA Régimes
... considers transmit diversity schemes applied to cross-polarized linear antennas at cellular base- stations, with a single linearly polarized antenna used by the mobile station ...of Space- ...
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An FPGA implementation of Alamouti's transmit diversity technique
... Alamouti’s transmit diversity scheme was the first example of a space-time code which requires only linear processing at the ...Previous space-time coding schemes used trellis ...
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Transmit Diversity and its Application to Cooperative Networking
... 1.3 Summary of contributions The first contribution of this work is to analyze the effect of antenna correlation on full rate full diversity space-time block codes. To this end, we investigate the ...
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A Survey on MMSE Detector Using Space Time Diversity Technique
... We demonstrate that the proposed arrangements are fit for accomplishing full-grouped qualities and rate-one angles for two transmit radio wires, notwithstanding the way that the check of full-contrasts property is ...
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Differential Space Time Spreading using Four Transmit Antennas and Iteratively Detected Sphere Packing Modulation
... the transmit and receive ...two transmit and one receive as well as four transmit and one receive antennas have the same ...four transmit antennas becomes similar since the coded system having ...
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Differential Space Time Spreading using Iteratively Detected Sphere Packing Modulation and Two Transmit Antennas
... 7. CONCLUSION In this paper we proposed a novel system that exploits the advan- tages of both iterative demapping and turbo detection [10], as well as those of the DSTS-SP scheme developed. The proposed DSTS scheme ...
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PERFORMANCE EVALUATION FOR FEEDBACK ROTATE- QUASI- ORTHOGONAL SPACE-TIME BLOCK CODES IN MULTIPLE TRANSMIT ANTENNAS
... a transmit diversity scheme with optional receive diversity to achieve high data rate and to improve the reliability of a wireless ...full diversity for four transmit ...its ...
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Transmit Diversity at the Cell Border Using Smart Base Stations
... delay diversity (CDD) technique [6]. Space-time block codes (STBCs) from orthogonal de- signs [7] improve the performance in a flat and frequency selective fading channel by coherently adding the ...
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Transmit Diversity versus Beamforming System in Correlated Fading Channel
... of space-time block codes (STBC) with ...the transmit diversity method and beamformer is a function of the sum of eigenvalues of fading correlation ...
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