Performance analysis of space time block coded systems with channel estimation

... verifications of those models 32 Chapter BEP Performance Analysis of Orthogonal Space- Time Block Codes We present a symbol-by-symbol, channel estimation receiver for a space- time block coded system, ... incorporated with channel estimation more preferable in practice The objective of our research is to develop such a receiver with channel estimation and...

Ngày tải lên: 16/09/2015, 08:31

... 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

... ON THE PERFORMANCE AND CAPACITY OF SPACE- TIME BLOCK CODED MULTICARRIER CDMA COMMUNICATION SYSTEMS HU XIAOYU (B Eng, M Eng) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF PHILOSOPHY ... combination - STBC MCCDMA as the candidate of radio techniques for the next generation wireless communication system In the thesis, we concentrate the research on...

Ngày tải lên: 16/09/2015, 15:54

... constrained to P, and it is assumed that the transmitters cooperate to provide a distributed spacetime block encoder, and that the channel coefficients remain constant during the transmission of a space-time ... D-STBCs, SIMO subchannels, and distributed MIMO channel with two receive antennas, versus the channel estimation error variance of the first subchannel, that is,...

Ngày tải lên: 22/06/2014, 19:20

... 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

... MIMO Systems and Space- Time Coding 1.1.1 Background of MIMO Systems 1.1.2 Introduction to Space- Time Coding Space- Time Block Codes over General Fading ... DESIGN AND PERFORMANCE ANALYSIS OF MIMO SPACE- TIME BLOCK CODING SYSTEMS OVER GENERAL FADING CHANNELS HE JUN (B Eng., Zhejiang University, P.R.China) A THESIS SUBMITTED FOR...

Ngày tải lên: 14/09/2015, 14:05

... an open-loop MIMO OFDM-CDMA scheme using space-timefrequency spreading (STFS), in the presence of frequency-selective Rayleigh-fading channel The BER and BLER performance of the OFDM-CDMA system ... scheduling In addition, it offers better diversity/multiplexing trade-off The performance of MIMO OFDM–CDMA scheme using STFdomain spreading is investigated with zero-forcing...

Ngày tải lên: 18/06/2014, 22:20

... N c , the OFDM-CDMA 60 Proposed OFDM-CDMA 2D OFDM-CDMA Number of Users 50 40 30 20 10 0 10 12 14 16 SNR dB Figure 10 System throughput comparison for OFDM-CDMA system with 4Tx, 4Rx of the proposed ... scheduling In addition, it offers better diversity/multiplexing trade-off The performance of MIMO OFDM-CDMA scheme using STF-domain spreading is investigated with zero-fo...

Ngày tải lên: 20/06/2014, 21:20

... MC -CDMA IEEE Trans Signal Process 55(10), 4737–4751 (2007) doi:10.1186/1687-1499-2011-80 Cite this article as: Medina and Sampaio-Neto: Frequency domain equalization space-time block-coded CDMA ... ratio combiner; OFDM: orthogonal frequency division multiplexing; RLS: recursive least squares; SC-FDE: single-carrier frequency- domain equalization; STBC: space-time block-...

Ngày tải lên: 21/06/2014, 00:20

... 10 and 11 The plots indicate the maximum, minimum, and average BER rates over all users for both All-RAKE and TR -UWB simulations, and also the average performance as based on the TR -UWB variance ... overviews a UWB and TR -UWB simulation, together with a comparative analysis of the theoretical and simulated results for a timereversed system Finally, Section gi...

Ngày tải lên: 22/06/2014, 19:20

... original single-antenna DS-CDMA downlink scheme, resulting into so-called space-time block coded DS-CDMA downlink schemes As an example, we mention the space-time block coded DS-CDMA downlink schemes ... proposed space-time chip equalizer for the proposed space-time coded downlink CDMA transmission scheme with the space-time RAKE receiver for the space...

Ngày tải lên: 23/06/2014, 01:20

... STBC space- time block codes STTC space- time trellis codes LST layered space- time USTM unitary space- time modulation CSI channel state information DEML decoupled maximum likelihood ML maximum likelihood ... efficient channel estimation scheme based on the decoupled maximum likelihood (DEML) algorithm is introduced for space- time block coded (STBC...

Ngày tải lên: 04/10/2015, 10:26

... doi:10.1186/1687-6180-2011-104 Cite this article as: Zhou et al.: BER analysis of TDD downlink multiuser MIMO systems with imperfect channel state information EURASIP Journal on Advances in Signal Processing ... symbol for different downlink data symbol nk M Number of antennas of each user Number of antennas of BS K Number of user N Number of antennas of...

Ngày tải lên: 20/06/2014, 22:20

... Signal-to-noise ratio STBC Space time block code /codes STC Space- time code /codes STTC Space- time trellis code /codes USTM Unitary Space Time Modulation xxi Chapter Introduction With the spectacular growth ... [12], space- time concatenated codes (which include space- time turbo codes, serial concatenated codes, etc) and the layered spacetime (LST) codes...

Ngày tải lên: 16/09/2015, 08:30