Space–Time/Space–Frequency/Space–Time–Frequency Block Coded MIMO-OFDM System with Equalizers in Quasi Static Mobile Radio Channels Using Higher Tap Order

2012 ◽  
Vol 69 (4) ◽  
pp. 1947-1968 ◽  
Author(s):  
Bhasker Gupta ◽  
Davinder S. Saini
2012 ◽  
Vol 429 ◽  
pp. 179-185
Author(s):  
Hui Liu ◽  
Jing Shan Jiao ◽  
Fu Chun Zhang ◽  
Ling Zhou

The pilots that are transmitted by different transmitting antennas must be orthogonal after being shifted. So the time domain channel estimating solution is deduced through LS based on the MIMO-OFDM channel estimating model. The time domain solution need the inverse operation of matrix, and its operating quantity is large. So the three dimensions pilot based on space domain, time domain and frequency domain is designed. The method need not the inverse operation of matrix for the time domain channel estimating solution and can reduce the complexity of channel estimating and make the channel estimating error minimum. It is shown from the simulation that the channel estimating method of this paper based on space domain, time space and frequency domain pilot has better MSE and BER performances compared with the traditional LS algorithm and the document algorithm.


2013 ◽  
Vol 446-447 ◽  
pp. 1010-1016 ◽  
Author(s):  
Chao Shao ◽  
Chuang Wang ◽  
Long Kai Zhao

The closed form of pair-wise error probability analysis of space-time-frequency (STF) coding in MIMO-OFDM system is provided. The matrix of STF and channel multiplexing is established. The impact of STF and channel multiplexing matrix on pair-wise error probability of system is analyzed. The optimal structure of STF and channel multiplexing matrix for minimization of pair-wise error probability of system is analyzed. Finally, the computer simulation of pair-wise error probability about spatial correlation MIMO channel is providedThis document explains and demonstrates how to prepare your camera-ready manuscript for Trans Tech Publications. The best is to read these instructions and follow the outline of this text. The text area for your manuscript must be 17 cm wide and 25 cm high (6.7 and 9.8 inches, resp.). Do not place any text outside this area. Use good quality, white paper of approximately 21 x 29 cm or 8 x 11 inches (please do not change the document setting from A4 to letter). Your manuscript will be reduced by approximately 20% by the publisher. Please keep this in mind when designing your figures and tables etc.


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