DSTBC Impulse Radios with Autocorrelation Receiver in ISI-Free UWB Channels

For transmitted-reference impulse radio, it has been experimentally shown that multiple transmit antennas can provide an energy boost in the received signal. Here, we propose a 2-transmit and Q-receive differential space-time block coded impulse radio with autocorrelation receiver. A mathematical mo...

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Bibliographic Details
Published in:IEEE transactions on wireless communications 2008-03, Vol.7 (3), p.806-811
Main Authors: Qi Zhang, Qi Zhang, Chun Sum Ng, Chun Sum Ng
Format: Article
Language:English
Subjects:
Antennas
Applied sciences
Autocorrelation
Bit error rate
Channels
Computational modeling
Exact sciences and technology
Impulses
Intersymbol interference
Mathematical model
Mathematical models
Noise levels
Predictive models
Radio
Radiocommunications
Receivers
Receiving antennas
Telecommunications
Telecommunications and information theory
Transmitters. Receivers
Transmitting antennas
Ultra wideband technology
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Summary:For transmitted-reference impulse radio, it has been experimentally shown that multiple transmit antennas can provide an energy boost in the received signal. Here, we propose a 2-transmit and Q-receive differential space-time block coded impulse radio with autocorrelation receiver. A mathematical model for predicting the system bit-error-rate (BER) performance is derived for intersymbol interference-free transmission over an ultra-wideband channel, and validated with computer simulated results. From the results, it is observed that in migrating from 1-transmit to 2-transmit antennas, a signal-to-noise ratio gain of 3 dB, 2 dB and 1 dB at BER = 10 -5 can be achieved, respectively, for the case of 1-, 2- and 4-receive antennas.
ISSN:1536-1276
1558-2248
DOI:10.1109/TWC.2008.060753