CHIRAL PHASE TRANSITION IN COMPACTIFIED SPACE TIME

Báo cáo hóa học: " Research Article Power Allocation Strategies for Distributed Space-Time Codes in Amplify-and-Forward Mode" docx

... Relaying through AF DSTC In this section, we propose power allocation schemes for the AF distributed space-time codes introduced in [7], based on maximizing the received SNR at the destination ... using (22), g/2 sin φ+Br is accurately approximated with g/2sin2 φ for all values of φ in high SNR conditions For deriving the closed-form solution for the integral in (38)...

Ngày tải lên : 21/06/2014, 19:20

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Báo cáo hóa học: " Research Article Guaranteed Performance Region in Fading Orthogonal Space-Time Coded Broadcast Channels" pdf

... Sezgin, and A Paulraj, Guaranteed performance region in fading orthogonal space-time coded broadcast channels,” in Proceedings of IEEE the International Symposium on Information Theory (ISIT ... the SINR requirements as outlined in Section 3.7 can be used to compute the performance region 4.3 Perfect CSI and nonlinear precoding with SIC In Figure 4, the guaranteed...

Ngày tải lên : 21/06/2014, 22:20

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Báo cáo hóa học: " Research Article Performance of Turbo Interference Cancellation Receivers in Space-Time Block Coded DS-CDMA Systems" pot

... estimates of the signal interference) TURBO SPACE-TIME RECEIVERS WITH RATE COMPATIBLE PUNCTURED TURBO (RCPT) CODES The RCPT encoder will turbo encode the input data sequence of length Lin into a coded ... characteristic of turbo codes Rate compatible punctured turbo codes are investigated in a turbo space-time coded MIMO-CDMA system as a possible way of achiev...

Ngày tải lên : 21/06/2014, 23:20

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Báo cáo hóa học: " Research Article Performance Analysis of Space-Time Block Codes in Flat Fading MIMO Channels with Offsets" potx

... Hong, Performance analysis of space-time block codes in time-varying Rayleigh fading channels, ” in Proceedings of IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP ... compensation in MIMO channels We have considered the eﬀect of imperfect carrier oﬀset knowledge over the estimates of the channel gains and resulting probability of...

Ngày tải lên : 22/06/2014, 19:20

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Báo cáo hóa học: " Research Article Analysis and Compensation of Transmitter and Receiver I/Q Imbalances in Space-Time Coded Multiantenna OFDM Systems" ppt

... attenuation (and thus the eﬀective I/Q imbalances) indeed depend on frequency 2.3 Space-time coded multiantenna OFDM under transmitter and receiver I/Q mismatches A multiantenna space-time coded transmission ... called I/Q imbalance, in the space-time coded multiantenna OFDM system context The challenging yet practical case of having frequency-dependent...

Ngày tải lên : 22/06/2014, 19:20

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Báo cáo hóa học: " Research Article Diversity Analysis of Distributed Space-Time Codes in Relay Networks with Multiple Transmit/Receive Antennas" pot

... generalized distributed space-time coding are explained in detail A training scheme is also proposed The PEP is ﬁrst analyzed in Section In Section 4, the diversity for the network with an in nite ... case of wireless relay networks with single-antenna nodes [5], to achieve full diversity, Sk − Sl must be full rank Since the distributed space-time codes Sk and Sl...

Ngày tải lên : 22/06/2014, 19:20

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Báo cáo hóa học: " Research Article Power-Efﬁcient Relay Selection in Cooperative Networks Using Decentralized Distributed Space-Time Block Coding" pptx

... propagation environment When using the all-select relay- selection strategy, K = N; however, this decentralized relay- selection strategy might be ineﬃcient Each relay must also determine which column of ... There has been growing interest in applying Dis-STBC to a multihop wireless network to achieve cooperative diversity by using a virtual antenna array at each relaying ho...

Ngày tải lên : 22/06/2014, 19:20

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Báo cáo hóa học: " Speech Source Separation in Convolutive Environments Using Space-Time-Frequency Analysis" pot

... two sources in a stereo recording) using ﬁltering or time-frequency masking [8], in a manner similar to that of the W-disjoint situation This paper is structured in the following manner: in the ... meaningful result for source separation In order to identify the case of a single source, two tests are performed In the ﬁrst, the hypotheses H0 and H1 are tested, while in the...

Ngày tải lên : 22/06/2014, 23:20

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Báo cáo hóa học: " Space-Time Joint Interference Cancellation Using Fuzzy-Inference-Based Adaptive Filtering Techniques in Frequency-Selective Multipath Channels" potx

... interest, say of user 1, is the user to be acquired in the presence of intersymbol interference (ISI) and multiple-access interference (MAI) The information about the in- cell and inter-cell interferers ... considered in the presence of frequency-selective multipath fading Users ∼ Kintra are assumed to be users in the active cell and users ∼ Kinter are the intercell interferers...

Ngày tải lên : 22/06/2014, 23:20

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Báo cáo hóa học: " Maximum Likelihood Turbo Iterative Channel Estimation for Space-Time Coded Systems and Its Application to Radio Transmission in Subway Tunnels" potx

... bits), LS (M = 26 bits), and known channel Turbo ST receivers We formulate the ML estimation problem that takes into account the deterministic symbols corresponding to the training sequence and ... our channel estimation technique enables us to diminish the training sequence length up to only bits, instead of the 26 bits considered in the GSM standard, thus achieving a 1...

Ngày tải lên : 23/06/2014, 01:20

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Báo cáo hóa học: " Parallel Multistage Decision Feedback Equalizer for Single-Carrier Layered Space-Time Systems in Frequency-Selective Channels" pptx

... as a DFE in SD combined with a linear equalizer in FD In this paper, a multiple-input single-output decision feedback equalizer (MISO-DFE) with its forward and feedback ﬁlter performed in FD and ... is proposed for equivalent single-input multiple-output channels Then a parallel multistage decision feedback equalizer (PMDFE) is proposed for single-carrier la...

Ngày tải lên : 23/06/2014, 01:20

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summary of the doctor thesis studying of the phase transition in linear sigma model

... (PNJL) model, linear sigma model (LSM) Up to now the study of linear sigma model is still not complete It is the reasons why we choose subject Studying of the phase transition in linear sigma model ... condition on the phase structure of LSM and LSMq - Studying of the chiral phase transition in compactified space – time The subject, resea...

Ngày tải lên : 09/07/2014, 08:17

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báo cáo khoa học: " Cold- and light-induced changes in the transcriptome of wheat leading to phase transition from vegetative to reproductive growth" pot

... broad overview of the behaviour of the wheat transcriptome to winter conditions and this has provided many interesting clues to the interaction of the several pathways involved in phase transition ... conditions, these photoreceptors contribute to the initiation of flowering through the stabilisation of the CO protein [37] Of the principal photore...

Ngày tải lên : 12/08/2014, 03:20

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space-time scaling properties of soil moisture and evapotranspiration in water-limited ecosystems

Ngày tải lên : 14/11/2014, 10:02

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Bandwidth efficient trellis coding for unitary space time modulation in a non coherent mimo system

... given data rate and in terms of supporting a much higher data rate Several practical systems have demonstrated this performance gain in MIMO systems, such as the celebrated Bell Laboratories layered ... capacity gain is min{M, N }, i.e., the channel capacity increases linearly with the minimum of the number of transmitter and receiver antennas To approach channel capacity, space- ti...

Ngày tải lên : 11/09/2015, 14:38

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